JP6303886B2 - Heating system - Google Patents

Description

  The present invention relates to a heating device.

  In a heating device installed in a room such as a gas fan heater, since design is important, it is desirable that a screw or the like for fixing a front plate portion of the heating device is not exposed as much as possible from the surface of the heating device. Therefore, in some heating devices, the front plate portion is fixed to the side plate portion of the heating device without using screws.

  For example, in JP 2010-159940 A (Patent Document 1), a locking claw provided in a front plate portion of a warm air heater is locked in a locking hole provided in a side plate portion, A structure in which the front plate portion is fixed to the side plate portion is disclosed. In this hot air heater, a decorative frame is coupled to the upper end of the front plate portion. An inclined plate portion that is inclined rearward is provided on the upper portion of the decorative frame. A top plate portion is disposed above the decorative frame. A bent edge that is bent downward is provided at the front edge of the top plate portion.

JP 2010-159940 A

  In the manufacturing process of the hot air heater disclosed in the above publication, the inspection of the operation unit is performed in a state where each component of the hot air heater is electrically connected to the operation unit provided on the top plate. The Then, after the operation portion is inspected, the front plate portion is attached to the side plate portion.

  Specifically, the front plate is pushed up in the state that the inclined plate portion of the decorative frame coupled to the upper end of the front plate is inserted into the rear side of the bent edge of the top plate portion. In this case, the locking portion of the front plate portion is locked in the locking hole of the locking claw. At this time, there is a problem that it is difficult to attach the front plate portion to the side plate portion because the decorative frame easily comes into contact with the top plate portion. For this reason, there exists a problem that productivity of a heating apparatus falls.

  This invention is made | formed in view of said subject, The objective is to provide the heating apparatus which can improve productivity, improving the designability.

  The heating device of the present invention includes a side plate portion, a front plate portion, and a top plate portion. The front plate portion is disposed on the front side of the side plate portion and can be attached to the side plate portion. The top plate portion is disposed above the side plate portion and can be attached to the side plate portion. The side plate portion includes a top plate side flange portion disposed on the top plate portion side, and has a top plate side slit hole that penetrates the top plate side flange portion in the vertical direction and extends in the front-rear direction. The top plate portion includes a top plate locking claw that can be inserted into the top plate side slit hole. The top plate locking claw can be moved in the front-rear direction while being inserted into the top plate side slit hole, and is arranged on the front side of the top plate locking claw, and the top plate portion is moved to the front side. The front side locking part that is locked to the top plate side flange part and the rear side of the top board locking claw are arranged on the top side flange part with the top plate part moved to the rear side. And a rear side locking portion that is locked to the top plate side flange portion at a position higher than the state in which the top plate portion is moved to the front side.

  According to the heating device of the present invention, since the front plate portion can be attached to the side plate portion, the design can be improved. Moreover, the top-plate latching claw is movable in the front-rear direction while being inserted into the top-plate-side slit hole. For this reason, a front board part can be attached to a side board part in the state where the top plate part was moved to the back side. And in the state where the top plate portion is moved to the rear side, the rear side locking portion is placed on the top plate side flange portion at a position higher than the state where the top plate portion is moved to the front side after riding on the top plate side flange portion. Is locked. Therefore, since the top plate portion is at a position higher than the state where the top plate portion is moved to the front side, it is possible to suppress the front plate portion from coming into contact with the top plate portion when the front plate portion is attached to the side plate portion. For this reason, it is easy to attach the front plate portion to the side plate portion. Therefore, the productivity of the heating device can be improved.

  In the above heating device, the top plate side slit hole includes first and second slit holes arranged in the front-rear direction. The top plate locking claw includes first and second locking claws that are inserted into the first and second slit holes, respectively. By inserting the first and second locking claws into the first and second slit holes arranged in the front-rear direction, the top-plate locking claws can be stably moved in the front-rear direction. .

  In the above heating device, any one of the first and second locking claws may be configured such that the first and second locking claws are inserted in the first and second slit holes. It further includes a vertical end surface for restricting movement of the top plate portion to the rear side by coming into contact with the rear end portion of the top plate flange portion defining any one of the slit holes. For this reason, the movement to the back side of a top-plate part can be controlled because a vertical end surface contact | abuts to the rear-end part of a top-plate side flange part. Thereby, it can suppress that a top-plate part moves to the back side at the time of a fall.

  In the above heating device, the top plate portion includes an upper surface portion. The upper surface part has a holding part. The front plate portion includes an upper end portion and a support portion that protrudes rearward from the upper end portion and can be placed on the holding portion. One of the holding part and the support part has a concave part, and the other has a convex part that can be engaged with the concave part. For this reason, the holding part of a top plate part and the support part of a front board part can be firmly engaged by engaging a recessed part and a convex part.

  Said heating apparatus is further provided with the baseplate part arrange | positioned below the sideplate part. The bottom plate portion includes a bottom plate slit hole that opens at a position facing the front plate portion. The front plate portion includes a lower end portion and a bottom plate side latching claw that protrudes rearward from the lower end portion and can be inserted into the bottom plate slit hole. By inserting the bottom plate side latching claw of the front plate portion into the bottom plate slit hole of the bottom plate portion, the front plate portion can be made difficult to come off from the bottom plate portion.

  In the above heating device, the side plate portion includes a front plate side flange portion, and has a front plate side slit hole that penetrates the front plate side flange portion in the front-rear direction and extends in the vertical direction. The front plate portion includes a side plate side locking claw that can be inserted into the front plate side slit hole. The side plate side latching claw is movable in the vertical direction while being inserted into the front plate side slit hole, and is disposed on the lower side of the side plate side latching claw, and the side plate side latching claw is moved downward. The projection part which pinches | interposes a front-plate side flange part between front plate parts in the state is included. In the state where the side plate side latching claw of the front plate portion is inserted into the front plate side slit hole of the side plate portion and moved downward, the projection portion sandwiches the front plate side flange portion between the front plate portion, The front plate portion can be made difficult to come off from the side plate portion.

  As described above, according to the present invention, it is possible to provide a heating device that can improve productivity while improving design.

It is a perspective view which shows roughly the structure of the heating apparatus in one embodiment of this invention. It is the schematic which shows the internal structure of the heating apparatus in one embodiment of this invention. It is a partially exploded perspective view of the heating device in the embodiment of the present invention. It is sectional drawing which follows the IV-IV line of FIG. It is sectional drawing which follows the VV line of FIG. It is a perspective view which shows roughly the structure of the periphery of the top-plate latching claw shown in FIG. It is a fragmentary perspective view which shows roughly the state by which the front-plate part in one embodiment of this invention was supported by the top-plate part. It is sectional drawing which follows the VIII-VIII line of FIG. It is a fragmentary perspective view showing roughly the state where the front board part in one embodiment of the present invention is arranged above the bottom board part. It is sectional drawing which follows the XX line of FIG. It is a perspective view which shows roughly the state before the top-plate part of the heating apparatus in one embodiment of this invention is moved back, and a front-plate part is attached. It is sectional drawing which follows the XII-XII line | wire of FIG. It is sectional drawing which shows the state by which the side-plate side latching claw of the top-plate part was inserted in the front-plate side slit hole of the side-plate part in the cross section shown in FIG. It is sectional drawing which shows the state by which the front-plate part was moved below from the state shown in FIG. It is the schematic which shows the state of the top-plate latching claw in the state by which the top-plate part in one embodiment of this invention was moved to the front side, and the state moved to the back side. It is sectional drawing which shows schematically the structure of the modification of the heating apparatus in one embodiment of this invention. It is an enlarged view of the P1 part of FIG. It is a figure which shows the state by which the top-plate latching claw was moved upwards in the state by which the top-plate part of the modification of the heating apparatus in one embodiment of this invention was moved to the front side. It is a figure which shows the state by which the top-plate part of the modification of the heating apparatus in one embodiment of this invention was moved to the back side.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
First, with reference to FIG. 1, the structure of the heating apparatus in one embodiment of this invention is demonstrated. Hereinafter, a gas fan heater will be described as an example of the heating device of the present embodiment. In the following, each direction is based on a state in which the heating device is installed on the floor.

  The heating device of the present embodiment includes a side plate portion 1, a front plate portion 2, a top plate portion 3, a bottom plate portion 4, a display panel portion 5, an operation panel portion 6, a combustion case 11, and a combustion device. 12, a blower 13, a control unit 14, and a wind direction plate 15.

  The side plate portion 1, the front plate portion 2, the top plate portion 3, and the bottom plate portion 4 constitute a casing. A display panel unit 5 capable of displaying various types of information and an operation panel unit 6 capable of operating the heating device are mounted side by side on the top panel 3. In the present embodiment, the display panel unit 5 has two display units 5a, and the operation panel unit 6 has eight operation buttons 6a.

  Inside the housing constituted by the top plate portion 3, the bottom plate portion 4, the display panel portion 5, and the operation panel portion 6, a combustion case 11, a combustion device 12, a blower device 13, and a control portion 14 are provided. The wind direction plate 15 is accommodated. The wind direction plate 15 is disposed so as to be exposed to the outside of the housing from an exhaust port EP provided in the lower portion of the front plate portion 2. The exhaust port EP passes through the front plate portion 2 and communicates the inside and outside of the heating device. The exhaust port EP has a substantially rectangular shape and is formed over most of the front plate portion 2 in the left-right direction.

  Referring to FIGS. 1 and 2, combustion case 11 is a fan case-integrated combustion case, and accommodates combustion device 12 and blower 13 therein. An air blower 13 is disposed in the vicinity of the wind direction plate 15. A combustion device 12 is disposed above the blower 13. An intake port 16 is provided on the back side of the side plate portion.

  The inside of the combustion case 11 has a double structure, and has a combustion part 11a and an air bypass part 11b. A combustion device 12, a thermocouple 17, and a spark plug 18 are disposed in the combustion part 11 a of the combustion case 11. The combustion apparatus 12 is a burner, for example. Fuel gas is supplied to the combustion device 12 from the electromagnetic valve 21 via the fuel gas supply path 22. The air blower 13 is a fan, for example. The thermocouple 17 functions as a flame state detection means, and is configured to be able to directly detect the flame temperature. The spark plug 18 is configured to be able to ignite the fuel gas.

  The air detouring part 11b surrounds the periphery of the combustion part 11a, and functions mainly as an air flow path through which mixing air flows. An intake port IP for taking air into the combustion case 11 is provided on the back side of the combustion case 11. Air taken in from the intake port 16 is taken into the combustion case 11 via the intake port IP.

  The control part 14 has a control board provided with the microcomputer (not shown) which controls a heating apparatus, and is comprised so that control of the operation | movement of each part of a heating apparatus is possible. Specifically, the control unit 14 can acquire signals from various temperature sensors (thermistors) of the heating device, the thermocouple 17, etc., and the presence or absence of the flame of the combustion device 12, the flame temperature, the combustion of the combustion device 12. It is possible to acquire the amount, the temperature inside the heating device, the room temperature of the room where the heating device is installed, and the like. And the control part 14 is comprised so that control of each part of the heating apparatus based on the acquired information is possible.

  The control unit 14 is connected to the combustion device 12, various control valves (not shown) such as an electromagnetic valve 21 and a proportional valve, and the spark plug 18. Thereby, the control unit 14 can perform a combustion start operation, a combustion stop operation, a safety operation, an operation for increasing / decreasing the combustion amount, and the like for the combustion device 12.

Next, operation | movement of the heating apparatus of this Embodiment is demonstrated.
The heating device according to the present embodiment can perform a heating operation for raising and maintaining the temperature of the placed room. In other words, the room temperature is set by performing a heating operation in which the combustion device 12 burns the fuel gas, and the blower 13 blows the hot air generated by stirring the generated combustion gas and air. The temperature is raised to the desired temperature.

  When the operation switch provided in the operation panel unit 6 and the remote controller is turned on and the heating operation of the heating device is started, the blower device 13 is activated by a signal from the control unit 14. Then, the solenoid valve 21 is opened, fuel gas is supplied to the combustion device 12 via the fuel gas supply path 22, the ignition plug 18 is operated, and a flame is formed in the combustion device 12.

  At this time, the air blower 13 is activated to form an air flow that circulates through the heating device in the vicinity of the heating device. Specifically, air is taken into the heating device from the intake port 16 and taken into the combustion case 11 from the intake port IP. A part of the air taken into the combustion case 11 enters the combustion part 11 a of the combustion case 11 and is used for the combustion operation of the combustion device 12. Further, another part of the taken-in air enters the air bypass portion 11 b of the combustion case 11 and flows outside the combustion device 12. And the air which flowed through the air detour part 11b is stirred with the combustion gas which generate | occur | produces from the combustion apparatus 12, and becomes warm air.

  That is, the high-temperature air passing through the combustion unit 11a is mixed with the air that has flowed through the air detour unit 11b, so that hot air having an appropriate temperature is obtained. And the air which became warm air flows below the combustion case 11, and it blows off from the exhaust port EP to the exterior of a heating apparatus. As described above, the heating device of the present embodiment can increase indoor temperature by taking in indoor air, heating it, and blowing it out.

Next, the structure of the casing of the heating device of the present embodiment will be described in more detail.
Referring to FIGS. 3 and 4, side plate portion 1 has a pair of left and right side plate side portions 1 a and a back portion 1 b that connects the pair of side plate side portions 1 a. Each of the pair of side plate side surface portions 1a and the back surface portion 1b are disposed substantially perpendicular to each other. Further, the side plate portion 1 has a side plate upper end portion 1c and a side plate front end portion 1d. A top plate side flange portion 1e is provided on each of the side plate upper end portions 1c of the pair of side plate side surface portions 1a. That is, the side plate portion 1 includes a top plate side flange portion 1e disposed on the top plate portion 3 side. The top plate side flange portion 1e provided on the side plate upper end portion 1c of the one side plate side surface portion 1a is formed so as to be bent upward at a substantially right angle after extending to the other side plate side surface portion 1a side.

  The side plate portion 1 has a top plate side slit hole 1f that penetrates the top plate side flange portion 1e in the vertical direction UD and extends in the front-rear direction BF. The top-plate-side slit hole 1f is configured such that the top-plate locking claw 3c can move in the front-rear direction BF in a state where the top-plate locking claw 3c of the top-plate portion 3 is inserted. The top plate side slit holes 1f are respectively provided in the pair of side plate side portions 1a. In the present embodiment, the top plate side slit hole 1f has a first slit hole f1 and a second slit hole f2 which are arranged in the front-rear direction BF. The first and second slit holes f1 and f2 are provided in each of the pair of top plate side flange portions 1e.

  Moreover, the front-plate side flange part 1g is provided in each side-plate front-end part 1d of a pair of side-plate side part 1a. That is, the side plate portion 1 includes a front plate side flange portion 1g. A front plate side flange portion 1g provided at a side plate front end portion 1d of one side plate side surface portion 1a is formed to extend forward at a substantially right angle after extending to the other side plate side surface portion 1a side. The side plate portion 1 has a front plate side slit hole 1h that penetrates the front plate side flange portion 1g in the front-rear direction BF and extends in the up-down direction UD. Three front plate side slit holes 1h are provided in each of the pair of left and right front plate side flange portions 1g, and are arranged at the upper, middle, and lower portions in the vertical direction UD of each front plate side flange portion 1g.

  The front plate portion 2 is disposed on the front side of the side plate portion 1. The front plate portion 2 is configured to be attachable to the side plate portion 1. The front plate portion 2 has a front surface portion 2a and a pair of left and right front plate side portions 2b connected to the left and right ends of the front surface portion 2a. Each of the front plate side surface portions 2b is provided with a side plate side locking claw 2d. The side plate side latching claws 2d protrude rearward from the front plate side surface portion 2b. The side plate side latching claws 2d are respectively arranged at the upper portion, the center portion, and the lower portion in the up and down direction UD of each front plate side surface portion 2b. These side plate side latching claws 2d are provided at positions facing the front plate side slit holes 1h, respectively. And these side-plate side latching claws 2d are comprised so that each can be inserted in the front-plate side slit hole 1h. For this reason, the front plate portion 2 is attached to the side plate portion 1 in a state where these side plate side locking claws 2d are respectively inserted into the front plate side slit holes 1h.

  The front plate portion 2 has an upper end portion 2c and a lower end portion 2f. A support 2e is provided on the upper end 2c. The support part 2e protrudes rearward. That is, the front plate portion 2 has a support portion 2e that protrudes rearward from the upper end portion 2c. The support portion 2e is configured to be placed on the holding portion 3d of the top plate portion 3. Five support portions 2e are provided at substantially equal intervals in the left-right direction. One of them is arranged at the approximate center in the left-right direction.

  Further, a bottom plate side latching claw 2g is provided at the lower end 2f. The bottom plate side latching claw 2g is configured to be insertable into the bottom plate slit hole 4d of the bottom plate portion 4. The bottom plate side latching claw 2g protrudes rearward from the lower end 2f. That is, the bottom plate side latching claw 2g is formed so as to protrude from the lower end portion 2f to the back surface portion 1b side of the side plate portion 1. The bottom plate side latching claw 2g is formed in a substantially rectangular shape in a top view and is formed in a plate shape. Five bottom plate side latching claws 2g are provided at substantially equal intervals in the left-right direction. One of them is arranged at the approximate center in the left-right direction.

  The top plate portion 3 is disposed on the upper side of the side plate portion 1. The top plate portion 3 is configured to be attachable to the side plate portion 1. The top plate portion 3 includes an upper surface portion 3a, a pair of left and right top plate side surface portions 3b connected to the left and right ends of the upper surface portion 3a, and a top plate back surface portion 3i connected to the rear end of the upper surface portion 3a. ing. The top plate side surface portion 3b and the top plate back surface portion 3i extend downward from the top surface portion 3a. The top plate side surface portion 3 b is configured to be placed on the side plate side surface portion 1 a of the side plate portion 1. The top plate back surface portion 3 i is configured to be placed on the back surface portion 1 b of the side plate portion 1.

  A top plate locking claw 3c is provided on the top plate side surface portion 3b. The top plate locking claw 3c protrudes downward from the top plate side surface portion 3b. The top plate locking claw 3c is configured to be movable in the front-rear direction BF while being inserted into the top plate side slit hole 1f. The top plate locking claw 3c has a first locking claw c1 and a second locking claw c2. The first locking claw c1 and the second locking claw c2 are arranged side by side in the front-rear direction BF. The first locking claw c1 and the second locking claw c2 are inserted into the first slit hole f1 and the second slit hole f2, respectively. First and second locking claws c1 and c2 are provided on the pair of left and right top plate side portions 3b, respectively.

  The upper surface US of the upper surface portion 3a has a holding portion 3d that can hold the support portion 2e. The holding part 3d is arranged at a position where the support part 2e is placed. For this reason, five holding parts 3d are provided at substantially equal intervals in the left-right direction according to the position of the support part 2e.

  The top plate portion 3 has a top plate locking piece 3e. The top plate locking piece 3e is configured to protrude upward from the upper surface US and bend forward. The top plate locking piece 3e is configured to be able to lock the upper end portion 2c of the front plate portion 2. Moreover, the top plate part 3 has a through hole 3f in which the display part 5a of the display panel part 5 is arranged, and a through hole 3g in which the operation button 6a of the operation panel part 6 is arranged. Moreover, the top plate part 3 has the handle part 3h provided in the back side of the through-hole 3f.

  The bottom plate portion 4 is disposed on the lower side of the side plate portion 1. The bottom plate portion 4 is configured so that the side plate portion 1 can be placed thereon. The bottom plate portion 4 has a front end portion 4a and a pair of left and right bottom plate side portions 4b connected to the left and right ends of the front end portion 4a. Further, the bottom plate portion 4 has a wall portion 4 c provided so as to face the front plate portion 2. The wall 4c is disposed on the rear side with respect to the front end 4a. The wall 4c is disposed so as to face the lower end 2f of the front plate 2. The wall portion 4c is formed over most of the front end portion 4a in the left-right direction.

  The wall 4c is formed with a bottom plate slit hole 4d that opens at a position facing the front plate 2. That is, the bottom plate portion 4 has a bottom plate slit hole 4 d that opens at a position facing the front plate portion 2. The bottom plate slit hole 4d is disposed at a position where the bottom plate side latching claw 2g is inserted. For this reason, five bottom plate slit holes 4d are provided at substantially equal intervals in the left-right direction according to the position of the bottom plate side latching claw 2g.

  With reference to FIGS. 4-6, the structure in which the top-plate latching claw 3c of the top-plate part 3 was inserted in the top-plate side slit hole 1f of the side-plate part 1 is demonstrated in detail. 4 to 6 show a state in which the top plate portion 3 is moved to the front side. As shown in FIG. 4, the top plate locking claw 3 c includes a front side locking portion 31, a rear side locking portion 32, a tip protruding portion 33, an inclined portion 34, a rear end protruding portion 35, and a raised portion. Part 36.

  The front side locking portion 31 is disposed on the front side of the top plate locking claw 3c. The front side locking portion 31 is locked to the top plate side flange portion 1e in a state where the top plate portion 3 is moved to the front side. Moreover, the rear side latching | locking part 32 is arrange | positioned at the back side of the top-plate latching claw 3c. The rear side locking portion 32 has the top plate at a position higher than the state in which the top plate portion 3 rides forward and rides on the top plate flange portion 1e in a state where the top plate portion 3 is moved rearward. It is comprised so that it may be latched by the side flange part 1e.

  As shown in FIGS. 5 and 6, the tip protrusion 33 is provided at the tip of the top plate locking claw 3 c. The tip protruding portion 33 is disposed below the top plate side flange portion 1e in a state where the top plate portion 3 is moved to the front side. For this reason, it can prevent that the top-plate latching claw 3c slips upward from the top-plate-side slit hole 1f in a state where the top-plate portion 3 is moved to the front side.

  As shown in FIGS. 4 and 6, the inclined portion 34 is provided on the upper side of the rear end of the top plate locking claw 3 c. When the top plate portion 3 is moved to the rear side, the inclined portion 34 comes into contact with the rear end of the top plate side slit hole 1 f, so that the top plate engaging claw 3 c extends along the inclined portion 34. Can ride on part 1e. For this reason, the top plate latching claw 3c can be smoothly run on the top plate side flange portion 1e by the inclined portion 34.

  The rear end protrusion 35 is provided below the rear end of the top plate locking claw 3c. The raised portion 36 is formed so as to rise upward from the rear end protruding portion 35. A gap into which the top plate side flange portion 1e can be inserted is formed between the inclined portion 34, the rear end protruding portion 35, and the raised portion 36. When the top plate portion 3 is moved to the rear side, the top plate side flange portion 1e can be locked to the rear side locking portion 32 in a state where the top plate side flange portion 1e is inserted into the gap. . And the state by which the back side latching | locking part 32 was latched by the top-plate side flange part 1e can be hold | maintained firmly by pressing the top-plate side flange part 1e from the lower side with the protruding part 36. FIG.

  Further, the length of the top-plate-side slit hole 1f in the front-rear direction is the length of the portion where the top-plate locking claw 3c is inserted so that it can move in the front-rear direction with the top-plate locking claw 3c inserted. It is longer than that.

  Next, with reference to FIG. 4 again, the configuration in which the side plate side locking claws 2d of the front plate portion 2 are inserted into the front plate side slit holes 1h of the side plate portion 1 will be described in detail. FIG. 4 illustrates a state in which the side plate side latching claw 2d is inserted into the front plate side slit hole 1h and moved downward.

  The side plate side latching claws 2d are formed so as to extend in the vertical direction, and are formed in a plate shape. The side plate side latching claw 2d is configured to be movable in the vertical direction while being inserted into the front plate side slit hole 1h.

  The side plate side latching claw 2d has a protrusion PP. The protrusion PP is disposed on the lower side of the side plate side latching claw 2d. The protrusion PP is configured to sandwich the front plate side flange portion 1g with the front plate portion 2 in a state where the side plate side locking claws 2d are moved downward. The side plate side latching claw 2d is inserted into the front plate side slit hole 1h, and is latched to the front plate side flange portion 1g while being moved downward. In the present embodiment, the three side plate side locking claws 2d arranged side by side in the vertical direction are respectively inserted into the three front plate side slit holes 1h.

  Next, a configuration in which the front plate portion 2 is supported by the top plate portion 3 will be described with reference to FIGS. 7 and 8. In the present embodiment, the support portion 2 e of the front plate portion 2 is placed and supported on the holding portion 3 d of the top plate portion 3. In the present embodiment, the holding portion 3d of the top plate portion 3 has a recess HO. The support portion 2e of the front plate portion 2 is formed in a plate shape. Moreover, the support part 2e has the convex part PR which can be engaged with the recessed part HO. The convex part PR protrudes downward. Then, the front plate portion 2 is supported by the top plate portion 3 by engaging the convex portion PR of the support portion 2 e of the front plate portion 2 with the concave portion HO of the holding portion 3 d of the top plate portion 3. In addition, although the case where the holding portion 3d has the concave portion HO and the support portion 2e has the convex portion PR has been described, either the holding portion 3d or the support portion 2e has the concave portion HO. It is only necessary that the other has a convex part PR that can be engaged with the concave part HO.

  Moreover, the upper end part 2c of the front board part 2 is latched by the top-plate latching piece 3e in the front-back direction. Moreover, since the front-end | tip part of the top-plate locking piece 3e is formed so that the upper end part 2c of the front-plate part 2 may be covered, while the top-plate locking piece 3e locks the front-plate part 2 in the front-back direction, It is possible to prevent the front plate portion 2 from falling upward.

  Subsequently, a configuration in which the front plate portion 2 is disposed above the bottom plate portion 4 will be described with reference to FIGS. 9 and 10. In the present embodiment, as described above, the front plate portion 2 is supported by the side plate portion 1 with the side plate side locking claws 2d of the front plate portion 2 inserted into the front plate side slit hole 1h of the side plate portion 1. Yes. In this state, the bottom plate side latching claw 2 g of the front plate portion 2 is inserted into the bottom plate slit hole 4 d of the bottom plate portion 4. Therefore, when the front plate portion 2 is inclined in the front-rear direction, the bottom plate-side locking claw 2g comes into contact with the bottom plate slit hole 4d, so that the front plate portion 2 is locked by the bottom plate portion 4. For this reason, it is possible to make it difficult for the front plate portion 2 to come off the bottom plate portion 4.

  Next, attachment to the side plate part of the front plate part of the heating device of the present embodiment will be described together with the manufacturing process of the heating device.

  With reference to FIG. 11 and FIG. 12, the top plate portion 3 is supported by the side plate portion 1 in a state where the top plate portion 3 is moved to the rear side. In this state, the rear side locking portion 32 is locked to the top plate side flange portion 1e at a position higher than the state in which the top plate portion 3 rides forward and rides on the top plate side flange portion 1e. . That is, the rear side latching | locking part 32 is latched by the top-plate side flange part 1e in the state which the top-plate part 3 was moved to the back side and the upper side.

  In the manufacturing process of the heating apparatus of the present embodiment, the operation panel unit 6 is inspected in this state. Since the rear side locking portion 32 is locked to the top plate side flange portion 1e, the operation button 6a of the operation panel portion 6 can be stably operated even in this state. Therefore, the inspection work is easy.

  Subsequently, referring to FIG. 13, the front plate portion 2 is attached to the side plate portion 1. Specifically, the front plate portion 2 is moved with respect to the side plate portion 1 so that the side plate side locking claws 2d are inserted into the front plate side slit hole 1h. Further, referring to FIG. 14, in the state where the side plate side latching claw 2d is inserted into the front plate side slit hole 1h, the side plate side latching claw 2d is moved downward to engage with the front plate side flange portion 1g. Stopped. In this way, the front plate portion 2 is attached to the side plate portion 1. Then, the top plate part 3 is moved forward, whereby the heating device shown in FIGS. 1 and 4 is manufactured.

  Here, with reference to FIG. 15, the state of the top-plate locking claw 3c in the state where the top-plate part 3 is moved to the front side and the state where the top-plate part 3 is moved to the rear side will be described. As shown by a solid line in FIG. 15, in a state where the top plate portion 3 is moved to the front side, the front side locking portion 31 is locked to the top plate side flange portion 1e. In this Embodiment, the front side latching | locking part 31 is a part which contacts the side surface of the front end of the top-plate side slit hole 1f of the top-plate latching claw 3c. In other words, the front side locking portion 31 is a part that contacts a part of the end surface located at the front end of the top plate side slit hole 1f among the end surfaces that define the outer shape of the top plate side slit hole 1f.

  On the other hand, as indicated by a broken line in FIG. 15, in a state where the top plate portion 3 is moved to the rear side, the rear side locking portion 32 rides on the top plate side flange portion 1e. Moreover, the rear side latching | locking part 32 is latched by the top-plate side flange part 1e in a position higher in the up-down direction than the state which the top-plate part 3 shown with the continuous line in FIG. 15 moved to the front side. In the present embodiment, the rear side locking portion 32 is a portion that contacts the upper surface and the side surface of the rear end of the top plate side slit hole 1f of the top plate locking claw 3c. In other words, the rear side locking portion 32 is a part of the upper surface of the top plate side flange portion 1e located at the rear end of the top plate side slit hole 1f and the end surface defining the outer shape of the top plate side slit hole 1f. This is a portion that contacts a part of the end face located at the rear end of the top plate side slit hole 1f.

  In the present embodiment, as shown by the solid line in FIG. 15, the top plate portion 3 is moved to the front side, the front side locking portion 31 is locked to the top plate side flange portion 1e, and the broken line in FIG. The position of the top plate part 3 can be changed with the state in which the top plate part 3 is moved to the rear side and the rear side locking part 32 is locked to the top plate side flange part 1e. Thereby, the top plate part 3 can be moved rearward with respect to the side plate part 1 and moved upward.

Next, the effect of the heating apparatus of this Embodiment is demonstrated.
According to the heating device of the present embodiment, the front plate portion 2 can be attached to the side plate portion 1 without using screws, so that the design can be improved. Moreover, the top-plate latching claw 3c is movable in the front-rear direction BF while being inserted into the top-plate-side slit hole 1f. For this reason, the front plate portion 2 can be attached to the side plate portion 1 with the top plate portion 3 being moved rearward. Then, in a state where the top plate portion 3 is moved to the rear side, it rides on the top plate side flange portion 1e and is moved backward to the top plate side flange portion 1e at a position higher than the state in which the top plate portion 3 is moved to the front side. The side locking part 32 is locked. Therefore, since the top plate part 3 is at a higher position than the state where it is moved to the front side, the front plate part 2 is prevented from contacting the top plate part 3 when the front plate part 2 is attached to the side plate part 1. can do. For this reason, it is easy to attach the front plate part 2 to the side plate part 1. Therefore, the productivity of the heating device can be improved.

  In the heating device of the present embodiment, the first and second locking claws c1 and c2 are respectively inserted into the first and second slit holes f1 and f2 arranged in the front-rear direction, thereby The plate latching claw 3c can be moved stably in the front-rear direction.

  In the heating device of the present embodiment, since the holding portion 3d has the concave portion HO and the support portion 2e has the convex portion PR that can be engaged with the concave portion HO, the concave portion HO and the convex portion PR are engaged. By combining, the holding portion 3d of the top plate portion 3 and the support portion 2e of the front plate portion 2 can be firmly engaged. Further, the front plate portion 2 can be hardly detached from the top plate portion 3 by engaging the convex portion PR with the concave portion HO.

  In the heating device of the present embodiment, the front plate portion 2 is made difficult to come off from the bottom plate portion 4 by inserting the bottom plate side latching claw 2g of the front plate portion 2 into the bottom plate slit hole 4d of the bottom plate portion 4. Can do.

  In the heating device of the present embodiment, the projection PP is moved forward in a state where the side plate side latching claw 2d of the front plate portion 2 is inserted into the front plate side slit hole 1h of the side plate portion 1 and moved downward. Since the front plate side flange portion 1g is sandwiched between the plate portion 2 and the front plate portion 2, the front plate portion 2 can be made difficult to come off from the side plate portion 1. Further, since the front plate portion 2 can be attached to the side plate portion 1 with the top plate portion 3 moved to the rear side, the side plate side locking claw 2d is inserted into the front plate side slit hole 1h. An operating stroke in the vertical direction of the front plate portion 2 can be ensured.

  Next, the modification of the heating apparatus of one embodiment of this invention is demonstrated. The same elements as those in the present embodiment are denoted by the same reference numerals, and the description thereof will not be repeated.

  First, with reference to FIG. 16, the structure of the modification of the heating apparatus of this Embodiment is demonstrated. 16 is a cross-sectional view at a cross-sectional position corresponding to FIG. In this modification, the structure of the top-plate locking claw 3c is different from that of the heating device of the present embodiment. In this modification as well, the first locking claw c1 and the second locking claw c2 are inserted into the first slit hole f1 and the second slit hole f2, respectively, as in the heating device of the present embodiment. ing. However, in this modification, the configuration of the second locking claw c2 out of the first locking claw c1 and the second locking claw c2 is different from that of the heating device of the present embodiment. .

  Referring to FIGS. 16 and 17, second locking claw c <b> 2 has a rearward extending portion 37 and a vertical end surface 38. The rear extending portion 37 is provided on the rear end upper side of the top plate locking claw 3c. The top plate locking claw 3c extends from the inclined portion 34 to the rear end of the top plate locking claw 3c. The vertical dimension SA of the portion of the rear extending portion 37 that protrudes downward from the top plate side surface portion 3b is the tip protruding portion in a state where the front side locking portion 31 is locked to the top plate side flange portion 1e. It is smaller than the vertical distance SB from 33 to the top plate side surface portion 3b. This distance SB is larger than the dimension obtained by adding the thickness of the top plate side flange portion 1e to the dimension SA.

  A vertical end surface 38 is provided at the rear end of the rearward extending portion 37. The vertical end surface 38 is disposed at the rear end of the top plate locking claw 3c. The vertical end surface 38 extends in the vertical direction (vertical direction). The vertical dimension of the vertical end face 38 is the dimension SA. The vertical end surface 38 faces the rear end BE of the top plate flange portion 1e in the front-rear direction.

  The vertical end surface 38 is in contact with the rear end BE of the top plate side flange portion 1e that defines the second slit hole f2 in a state where the second locking claw c2 is inserted into the second slit hole f2. Thus, the movement of the top plate 3 to the rear side is restricted. The vertical end surface 38 abuts on the rear end BE of the top plate side flange portion 1e, so that the backward movement of the top plate portion 3 is stopped.

  The length dimension W1 in the front-rear direction of the second slit hole f2 is a length equal to or greater than the length dimension W2 in the front-rear direction from the front side locking portion 31 to the vertical end surface 38. In the modification of the heating device of the present embodiment, the length dimension W1 is substantially the same length as the length dimension W2. That is, the length dimension W2 is configured to be slightly slightly shorter than the length dimension W1. The length dimension W1 may be the same length as the length dimension W2. Thereby, it can avoid moving the top-plate part 3 to the back side.

  In addition, the 1st latching claw c1 may have the back extension part 37 and the vertical end surface 38 instead of the 2nd latching claw c2. That is, in the modification of the heating device of the present embodiment, if either the first locking claw c1 or the second locking claw c2 has the rearward extending portion 37 and the vertical end surface 38. Good.

  Then, the state of the top-plate latching claw 3c in the state where the top-plate part 3 was moved from the front side to the back side is demonstrated. As shown in FIGS. 16 and 17, in the state where the top plate portion 3 is moved forward, the vertical end surface 38 is in contact with the rear end portion BE of the top plate side flange portion 1e. For this reason, the movement to the back side of the top-plate part 3 is controlled in this state.

  Referring to FIG. 18, the top plate locking claw 3 c is moved upward so that the lower end of the vertical end surface 38 is positioned above the upper end of the second slit hole f <b> 2. Thereby, contact | abutting with the vertical end surface 38 and the rear-end part BE of the top-plate side flange part 1e is cancelled | released. Further, even if the top plate locking claw 3c is moved rearward, the vertical end surface 38 does not contact the rear end portion BE of the top plate side flange portion 1e.

  Referring to FIG. 19, with the lower end of vertical end surface 38 positioned above the upper end of second slit hole f2, top plate locking claw 3c is moved rearward. Thereby, the top-plate locking claw 3c rides on the top-plate-side flange portion 1e along the inclined portion 34. And the back side latching | locking part 32 is latched by the top-plate side flange part 1e.

  In order to prevent unintentional dropping of the top plate portion 3, the top plate back surface portion 3 i and the rear plate upper portion provided on the upper side of the back surface portion 1 b of the side plate portion 1 may be fastened with screws. Accordingly, the upward movement of the top plate portion 3 is suppressed, and when the top plate portion 3 is removed, the top plate portion 3 can be removed by removing this screw and moving the top plate portion 3 upward. it can.

  Then, the effect of the modification of the heating apparatus of this Embodiment is demonstrated. According to the modification of the heating device of the present embodiment, either the first locking claw c1 or the second locking claw c2 is the same as the first locking claw c1 or the second locking claw c2. By being in contact with the rear end BE of the top plate side flange portion 1e that defines either the first or second slit hole in a state of being inserted into the first slit hole f1 and the second slit hole f2. It further includes a vertical end face 38 for restricting the rearward movement of the top plate portion 3. For this reason, when the vertical end surface 38 contacts the rear end BE of the top plate side flange portion 1e, the backward movement of the top plate portion 3 can be restricted. Thereby, it can suppress that the top-plate part 3 moves to the back side at the time of a fall.

  In addition, although the gas fan heater was demonstrated as an example of the heating apparatus of this Embodiment above, the heating apparatus of this Embodiment is not limited to a gas fan heater, An oil fan heater etc. may be sufficient.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

  1 side plate portion, 1a side plate side surface portion, 1b back surface portion, 1c side plate upper end portion, 1d side plate front end portion, 1e top plate side flange portion, 1f top plate side slit hole, 1g front plate side flange portion, 1h front plate side slit hole 2 front plate portion, 2a front surface portion, 2b front plate side surface portion, 2c upper end portion, 2d side plate side locking claw, 2e support portion, 2f lower end portion, 2g bottom plate side locking claw, 3 top plate portion, 3a upper surface portion 3b Top plate side surface portion, 3c Top plate locking claw, 3d Holding portion, 3e Top plate locking piece, 3f, 3g Through hole, 3h Handle portion, 3i Top plate back surface portion, 4 Bottom plate portion, 4a Front end portion, 4b Side face part of bottom plate, 4c wall part, 4d Bottom plate slit hole, 5 display panel part, 5a display part, 6 operation panel part, 6a operation button, 11 combustion case, 11a combustion part, 11b air bypass part, 12 combustion device, 13 air blow Device, 14 control unit, DESCRIPTION OF SYMBOLS 15 Wind direction plate, 16 Intake port, 17 Thermocouple, 18 Spark plug, 21 Solenoid valve, 22 Fuel gas supply path, 31 Front side latching part, 32 Back side latching part, 33 Tip protrusion part, 34 Inclination part, 35 Rear end protruding portion, 36 raised portion, 37 rearward extending portion, 38 vertical end surface, BE rear end portion, EP exhaust port, HO concave portion, PP protruding portion, PR convex portion, c1 first locking hole, c2 second Locking claws, f1 first slit hole, f2 second slit hole.

Claims (6)

Side plate,
A front plate portion disposed on the front side of the side plate portion and attachable to the side plate portion;
A top plate portion disposed on the upper side of the side plate portion and attachable to the side plate portion;
The side plate portion includes a top plate side flange portion disposed on the top plate portion side, and has a top plate side slit hole that penetrates the top plate side flange portion in the vertical direction and extends in the front-rear direction. ,
The top plate portion includes a top plate locking claw that can be inserted into the top plate side slit hole,
The top plate locking claw is
It is movable in the front-rear direction in a state inserted in the top plate side slit hole,
A front side locking portion that is disposed on the front side of the top plate locking claw and is locked to the top plate side flange portion in a state where the top plate portion is moved to the front side,
From the state where the top plate is placed on the rear side of the top plate locking claw and the top plate portion is moved to the rear side, and the top plate portion is moved forward by riding on the top plate side flange portion. And a rear side locking portion locked to the top plate side flange portion at a higher position. The top plate side slit hole includes first and second slit holes arranged in the front-rear direction,
The heating apparatus according to claim 1, wherein the top plate locking claw includes first and second locking claws that are inserted into the first and second slit holes, respectively.   Either of the first and second locking claws may be configured such that the first and second slits are in a state in which the first and second locking claws are inserted into the first and second slit holes. The heating according to claim 2, further comprising a vertical end surface for restricting movement of the top plate portion to the rear side by contacting a rear end portion of the top plate flange portion defining any of the holes. apparatus. The top plate portion includes an upper surface portion, the upper surface portion has a holding portion,
The front plate portion includes an upper end portion, and a support portion that protrudes from the upper end portion to the rear side and can be placed on the holding portion,
The heating according to any one of claims 1 to 3, wherein one of the holding portion and the support portion has a concave portion, and the other has a convex portion that can be engaged with the concave portion. apparatus. Further comprising a bottom plate portion disposed on the lower side of the side plate portion,
The bottom plate portion includes a bottom plate slit hole that opens at a position facing the front plate portion,
The said front board part is a any one of Claims 1-4 containing a lower end part and the baseplate side latching claw which protrudes in the said back side from the said lower end part, and can be inserted in the said baseplate slit hole. Heating system. The side plate portion includes a front plate side flange portion, and has a front plate side slit hole penetrating the front plate side flange portion in the front-rear direction and extending in the vertical direction,
The front plate part includes a side plate side locking claw that can be inserted into the front plate side slit hole,
The side plate side locking claw is
It is movable in the up and down direction with being inserted into the front plate side slit hole,
Including a protrusion that is disposed on the lower side of the side plate side locking claw and sandwiches the front plate side flange portion with the front plate portion in a state where the side plate side locking claw is moved to the lower side. The heating device according to any one of claims 1 to 5.