CN209494957U - A kind of adjustable gas heater water feed apparatus of inflow - Google Patents

Abstract

The utility model discloses a kind of adjustable gas heater water feed apparatus of inflow, belong to field of kitchen electric appliance.To overcome existing water feed apparatus that can not adjust the defect of inflow, the technical solution adopted in the utility model includes the inlet pipeline and inlet valve of perforation, inlet valve includes the valve body being arranged on inlet pipeline and the spool that is installed in rotation on valve body, the spool includes the barrier sheet being arranged in inlet pipeline, inlet pipeline is separated into the first cavity being connected to the liner of gas heater and the second cavity being connected to water supplying pipe by barrier sheet, opens up water hole on barrier sheet；Barrier sheet drives water hole to have different overlapping areas from the water inlet end face of the second cavity, with valve core rotation with the inflow of regulating water inlet valve.Its advantage is that: the inflow needed come regulating gas water heater, using flexible can be used according to user, moreover it is possible to which the utilization rate for improving combustion gas avoids combustion gas from wasting.

Description

A kind of adjustable gas heater water feed apparatus of inflow

Technical field

The utility model belongs to household appliance technical field, and in particular to a kind of inflow adjustable gas heater water inlet dress It sets.

Background technique

Currently, the water feed apparatus of gas heater is mostly an inlet pipeline, the water amount of inlet pipeline is to fix not Variable, the inflow of gas heater can not be adjusted, inflexible for use, the utilization rate of combustion gas is low, will cause combustion gas Waste.

Summary of the invention

The utility model provides a kind of adjustable gas heater water feed apparatus of inflow, can use need according to user Come the inflow of regulating gas water heater, using flexible, moreover it is possible to which the utilization rate for improving combustion gas avoids combustion gas from wasting.

In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of adjustable combustion gas heat of inflow Hydrophone water feed apparatus, the inlet pipeline including perforation, wherein the water feed apparatus includes inlet valve, and inlet valve includes setting Valve body on inlet pipeline and the spool being installed in rotation on valve body, the spool includes being arranged in inlet pipeline Inlet pipeline is separated into the first cavity being connected to the liner of gas heater and is connected to water supplying pipe by barrier sheet, barrier sheet The second cavity, open up water hole on barrier sheet；Barrier sheet drives the water inlet end face of water hole and the second cavity with valve core rotation With different overlapping areas, with the inflow of regulating water inlet valve.

The barrier sheet of spool rotates in valve body, and water hole is made to have different faying surfaces from the water inlet end face of the second cavity Product: when the overlapping area of the water inlet end face of water hole and the second cavity is big, the intracorporal water energy of the second chamber is enough more by mistake Water hole enters in the first cavity, and the inflow of gas heater is big；When water hole is overlapping with the water inlet end face of the second cavity Area hour, the intracorporal water of the second chamber only can be entered on a small quantity by water hole in the first cavity, gas heater into Water is with regard to small.Water feed apparatus, come the inflow of regulating gas water heater, keeps the use of gas heater cleverer by inlet valve Living, energy saving improves the utilization rate of combustion gas, can effectively reduce combustion gas waste.Moreover, the structure of inlet valve is simple, into The big minor adjustment of water operates conveniently.

As a kind of improvement of water hole, a circular hole is opened up on the barrier sheet, the circular hole constitutes above-mentioned water hole； The barrier sheet is with valve core rotation, the full-gear for driving circular hole to be completely coincident in the water inlet end face with the second cavity, part weight Switch between conjunction state and the full-shut position not being overlapped.A circular hole only need to be opened up on barrier sheet, structure is simple, processing Convenient, requirement on machining accuracy is low.The water inlet end face of second cavity really refers to the junction of valve body and inlet pipeline, in level side Upward projection is also a circle, the setting of circular hole can preferably with water inlet end face Corresponding matching.In barrier sheet rotation In the process, circular hole is different from the water inlet overlapping area of end face.For example, initial state is full-gear, at this point, gas heater Inflow is maximum；Rotational valve core rotates with it barrier sheet, and water hole and the overlapping area of water inlet end face are gradually reduced, combustion gas heat The inflow of hydrophone is gradually reduced therewith, and user can be stopped operating at any time to lock any inflow, and it is free, convenient to adjust； If continuing to rotate spool, water hole is further decreased with the overlapping area of water inlet end face until the two is not overlapped, at this point, combustion gas Water heater is not intake.

Another kind as water hole improves, and opens up the first hole and the second hole on the barrier sheet, the area in the first hole is big Area in the second hole, the first hole and the second hole collectively form above-mentioned water hole；The barrier sheet is with valve core rotation, at least First flow that one hole is overlapped with the water inlet end face of the second cavity water inlet state, the second hole are overlapped with the water inlet end face of the second cavity Second flow water inlet state between switch.The structure of barrier sheet is simple, and structural strength is higher.First hole and the second cavity When water inlet end face is overlapped, the inflow of inlet valve is big, when the second hole is overlapped with the water inlet end face of the second cavity, the water inlet of inlet valve It measures small, that is to say, that inlet valve has the inflow of at least two gears, and the control of inflow is more accurate.

As an improvement, the spool includes the handler that one end is connected with barrier sheet, open up on valve body for the another of handler The resigning mouthful that one end is stretched out is sealed between the handler and the resigning mouthful by sealing ring.The end of handler reaches It outside valve body, that is, reaches outside inlet pipeline, is operated convenient for the rotation of spool, and the setting of sealing ring can effectively be prevented The problem of only intracorporal water of valve leaks outside.

As improving again, the outer diameter of the first handler on the inside of resigning mouthful is greater than second turn be located on the outside of resigning mouthful The outer diameter of dynamic handle, so that the first handler and the second handler junction form limited step, the inlet valve further includes limit Piece and locking member, limit film are fixed in resigning mouthful by locking member, and are limited mutually with limited step.On the inside of resigning mouthful Rotation handle portion be considered as the first handler, the rotation handle portion on the outside of resigning mouthful is considered as the second handler, the first rotation Handle and the second handler form limited step, limit at resigning mouthful handler by limit film and locking member, avoid rotating Handle is deviate from from resigning mouthful, guarantees that spool is stablized in the intracorporal position of valve, so make spool the intracorporal stability of rotation of valve, can It leans on.

As improving again, the limit film is the plate body of one piece of arc, and limit film is equipped with notch, and the both ends of notch are distinguished Position and second is stopped to stop position equipped with first, the outer wall of the handler is equipped with the rotary spacing muscle of protrusion；Rotary spacing muscle It is rotated between the first blocking position and the second blocking position with handler, to drive barrier sheet to rotate in a certain range.Limit film Other than being limited to spool in the intracorporal position of valve, additionally it is possible to the rotation angle of handler is limited, so that into The structure of water valve is more simplified, and the adjusting of inflow is also apparent, intuitive.

As an improvement, the inlet valve includes setting in the intracorporal filter cylinder of valve, the side wall of filter cylinder is equipped with filter opening, the resistance Baffle is the arc-shaped plate body in one piece of section, and barrier sheet is enclosed in outside filter cylinder in Semi surrounding type, so that the water by water hole exists It is filtered before into upper cavity by filter cylinder.Second chamber is intracorporal to supply water into after valve body, first passes through water hole runoff investigation, then pass through After the filter opening filtering of cartridge filter, just enter in the first cavity, and then enter the liner of gas heater, the setting of filter cylinder mentions Feedwater quality is risen.

As improving again, the spool is equipped with hook, and the filter cylinder is equipped with the snap ring being used cooperatively with hook, hook It is clamped with snap ring so that filter cylinder is mounted on spool.Spool and filter cylinder it is easy to assembly, and the structure of spool and filter cylinder is all simple, It is easy to process.

As an improvement, the water feed apparatus includes releasing pressure automatically structure, the handler has hollow cavity, protrudes into valve body One end of handler open up the water outlet being connected to hollow cavity, the other end opens up the discharge outlet being connected to hollow cavity, water outlet Bore be less than hollow cavity internal diameter；The releasing pressure automatically structure includes the water bloking piece and pressure spring in hollow cavity, pressure spring One end offsets with water bloking piece, and the inner wall of the other end and hollow cavity offsets, so that water bloking piece covers the water outlet under pressure spring pressure Mouthful；When the intracorporal hydraulic pressure of the first chamber is greater than the pressure of pressure spring, water bloking piece is moved away from water outlet to realize that pressure release drains.When the first chamber When intracorporal hydraulic pressure is greater than pressure (pressure value of setting) of pressure spring, the intracorporal water of the first chamber can push water bloking piece open, make water bloking piece It is moved away from water outlet, the intracorporal water of the first chamber realizes releasing pressure automatically by water outlet, hollow cavity, discharge outlet discharge, guarantees combustion gas heat The inside water pressure of water heater liner is stablized, and improves the safety of use.When the pressure that the intracorporal hydraulic pressure of the first chamber is less than pressure spring (is set Fixed pressure value) when, water bloking piece covers water outlet under the action of the elastic-restoring force of pressure spring, stops the intracorporal water of the first chamber It is discharged through water outlet.

As an improvement, the water feed apparatus includes water distribution structure, the water distribution structure includes being provided with discharging water on valve body Mouth, the plugging block being arranged at dewatering outlet, reset spring, dewatering outlet are connected to the first cavity, and an end position of reset spring is solid Fixed, the other end is inconsistent with plugging block, and plugging block is moved away from dewatering outlet under external force to discharge water, and in the elasticity of reset spring Dewatering outlet is blocked again under restoring force effect.When user needs to discharge the water in the first cavity and liner, plugging block is applied Power makes it be moved away from dewatering outlet, and the intracorporal water of the first chamber is outside dewatering outlet outflow valve body；After discharging water, releasing is applied to closure External force on block, the elastic-restoring force of reset spring, which is applied in plugging block, to be made to block block reset, blocks dewatering outlet again.

The beneficial effects of the utility model are mainly reflected in:

The first, when the overlapping area of the water inlet end face of water hole and the second cavity is big, the intracorporal water energy of the second chamber is enough more It mostly is entered in the first cavity by water hole, the inflow of gas heater is big；When the water inlet of water hole and the second cavity The overlapping area hour of end face, the intracorporal water of the second chamber can only be entered in the first cavity by water hole on a small quantity, combustion gas The inflow of water heater is with regard to small；Water feed apparatus, come the inflow of regulating gas water heater, makes gas heater by inlet valve Using more flexible, energy saving, the utilization rate of combustion gas is improved, combustion gas waste can be effectively reduced, moreover, the knot of inlet valve Structure is simple, and the big minor adjustment of inflow operates conveniently；

The second, the second chamber is intracorporal to supply water into after valve body, water hole runoff investigation is first passed through, using the filter opening of filter cylinder It after filtering, just enters in the first cavity, and then enters the liner of gas heater, the setting of filter cylinder is improved into water matter Amount；

Third, when the intracorporal hydraulic pressure of the first chamber be greater than pressure spring pressure (pressure value of setting) when, the intracorporal water of the first chamber Water bloking piece can be pushed open, water bloking piece is made to be moved away from water outlet, the intracorporal water of the first chamber is real by water outlet, hollow cavity, discharge outlet discharge Existing releasing pressure automatically guarantees that the inside water pressure of gas heater liner is stablized, improves the safety of use；When the first chamber is intracorporal When hydraulic pressure is less than pressure (pressure value of setting) of pressure spring, water bloking piece covers water outlet under the action of the elastic-restoring force of pressure spring Mouthful, stop the intracorporal water of the first chamber to be discharged through water outlet；

4th, it when user needs to discharge the water in the first cavity and liner, exerts a force to plugging block, is moved away from it and discharges water Mouthful, the intracorporal water of the first chamber is outside dewatering outlet outflow valve body；After discharging water, the external force being applied in plugging block is released, is resetted The elastic-restoring force of spring, which is applied in plugging block, to be made to block block reset, blocks dewatering outlet again.

Detailed description of the invention

Fig. 1 is the schematic diagram of one water feed apparatus of the utility model embodiment；

Fig. 2 is the explosive view of one water feed apparatus of the utility model embodiment；

Fig. 3 is the cross-sectional view of one water feed apparatus of the utility model embodiment；

Fig. 4 is the enlarged drawing of the spool of the utility model embodiment one；

Fig. 5 is the water feed apparatus full-gear schematic diagram of the utility model embodiment one；

Fig. 6 is that the water feed apparatus of the utility model embodiment one partially overlaps status diagram；

Fig. 7 is the water feed apparatus full-shut position schematic diagram of the utility model embodiment one；

Fig. 8 is the enlarged drawing of the spool of the utility model embodiment two；

Fig. 9 is the cross-sectional view of three water feed apparatus of the utility model embodiment；

Figure 10 is the schematic diagram of three water feed apparatus of the utility model embodiment；

Figure 11 is the cross-sectional view of four water feed apparatus of the utility model embodiment；

The spool and the cross-sectional view after filter cylinder fractionation that Figure 12 is the utility model embodiment four；

Figure 13 is the cross-sectional view of five water feed apparatus of the utility model embodiment；

Figure 14 is the cross-sectional view of six water feed apparatus of the utility model embodiment.

It is as shown in the figure: 1, inlet pipeline, the 11, first cavity, the 12, second cavity, 2, valve body, 21, resigning mouthful, 3, spool, 31, barrier sheet, 32, water hole, the 321, first hole, the 322, second hole, 33, handler, the 331, first handler, 332, second turns Dynamic handle, 333, limited step, 334, rotary spacing muscle, 335, hollow cavity, 336, water outlet, 337, discharge outlet, 34, hook, 4, Sealing ring, 5, limit film, 51, notch, the 52, first blocking position, the 53, second blocking position, 6, locking member, 7, filter cylinder, 71, filter opening, 72, snap ring, 81, water bloking piece, 82, pressure spring, 91, dewatering outlet, 92, plugging block, 93, reset spring.

Specific embodiment

Below with reference to the attached drawing of the utility model embodiment, the technical solution of the utility model embodiment is explained and Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode, Those skilled in the art's other embodiments obtained without making creative work, belong to the utility model Protection scope.

Referring to figs. 1 to Figure 14, a kind of adjustable gas heater water feed apparatus of inflow, the inlet pipeline including perforation And inlet valve.Inlet valve includes the valve body being arranged on inlet pipeline and the spool that is installed in rotation on valve body.The valve Core includes the barrier sheet being arranged in inlet pipeline, and inlet pipeline is separated by barrier sheet to be connected to the liner of gas heater First cavity and the second cavity being connected to water supplying pipe open up water hole on barrier sheet.Barrier sheet drove with valve core rotation Water hole has different overlapping areas from the water inlet end face of the second cavity, with the inflow of regulating water inlet valve.

The barrier sheet of spool rotates in valve body, and water hole is made to have different faying surfaces from the water inlet end face of the second cavity Product: when the overlapping area of the water inlet end face of water hole and the second cavity is big, the intracorporal water energy of the second chamber is enough more by mistake Water hole enters in the first cavity, and the inflow of gas heater is big；When water hole is overlapping with the water inlet end face of the second cavity Area hour, the intracorporal water of the second chamber only can be entered on a small quantity by water hole in the first cavity, gas heater into Water is with regard to small.Water feed apparatus, come the inflow of regulating gas water heater, keeps the use of gas heater cleverer by inlet valve Living, energy saving improves the utilization rate of combustion gas, can effectively reduce combustion gas waste.Moreover, the structure of inlet valve is simple, into The big minor adjustment of water operates conveniently.

Embodiment one

A kind of adjustable gas heater water feed apparatus of inflow as shown in Figure 1, Figure 2, Figure 3 shows is mounted on combustion gas heat The water inlet of water heater liner.The water feed apparatus includes inlet pipeline 1 and inlet valve up and down.Inlet valve includes setting In the valve body 2 on inlet pipeline 1 and the spool 3 being installed in rotation on valve body 2.The spool 3 includes being arranged in water inlet pipe Barrier sheet 31 in road 1, barrier sheet 31 inlet pipeline 1 is separated into the first cavity 11 for being connected to the liner of gas heater with And the second cavity 12 being connected to water supplying pipe, water hole 32 is opened up on barrier sheet 31.Barrier sheet 31 is rotated with spool 3, is driven Water hole 32 has different overlapping areas from the water inlet end face of the second cavity 12, with the inflow of regulating water inlet valve.

As shown in figure 4, in this example, a circular hole is opened up on the barrier sheet 31, the circular hole constitutes above-mentioned water hole 32.The barrier sheet 31 with spool 3 rotate, drive circular hole be completely coincident in the water inlet end face with the second cavity full-gear, Switch between the state that partially overlaps and the full-shut position not being overlapped.

A circular hole only need to be opened up on barrier sheet 31, structure is simple, and easy to process, requirement on machining accuracy is low.

In conjunction with Fig. 1 to Fig. 4, the water inlet end face of the second cavity 12 really refers to the junction of valve body 2 Yu inlet pipeline 1, Projection in horizontal direction is also a circle, the setting of circular hole can preferably with water inlet end face Corresponding matching.

During barrier sheet 31 rotates, circular hole is different from the water inlet overlapping area of end face.As shown in figure 5, inlet valve It is shown in a fully open operation, at this point, the water inlet end face of circular hole and the second cavity 12 is completely coincident, the inflow of gas heater is maximum. Rotational valve core 3 rotates with it barrier sheet 31, as shown in fig. 6, water hole 32 and the overlapping area of water inlet end face are gradually reduced, fires The inflow of gas water heater is gradually reduced therewith, and user can be stopped operating at any time to lock any inflow, is adjusted freely, just Benefit.Continue to rotate spool 3, then water hole 32 and water inlet end face overlapping area further decrease until as shown in Figure 7 both no It is overlapped, at this point, gas heater is not intake.

The diameter of the circular hole can be identical as the aperture that projection of the water inlet end face in horizontal direction is formed, at this In example, the diameter of the circular hole is greater than the aperture that projection of the water inlet end face in horizontal direction is formed.This structure crosses water Hole 32 can guarantee the abundance of the inflow under full-gear, and it is smooth to guarantee to intake.

Embodiment two

The difference between this embodiment and the first embodiment lies in: the structure of the water hole is different.

As shown in figure 8, opening up the first hole 321 and the second hole 322 on the barrier sheet 31, the area in the first hole 321 is greater than The area in the second hole 322, the first hole 321 and the second hole 322 collectively form above-mentioned water hole 32.The barrier sheet 31 is with spool 3 Rotation, in first flow the water inlet state, the second hole 322 and second that the first hole 321 is overlapped with the water inlet end face of the second cavity 12 Switch between the second flow water inlet state that the water inlet end face of cavity 12 is overlapped.

The structure of barrier sheet 31 is simple, and structural strength is higher.First hole 321 is overlapped with the water inlet end face of the second cavity 12 When, the inflow of inlet valve is big, and when the second hole 322 is overlapped with the water inlet end face of the second cavity 12, the inflow of inlet valve is small, That is inlet valve tool is there are two the inflow of gear, the control of inflow is more accurate.

It should be understood that the barrier sheet 31 is rotated with spool 3, the water feed apparatus also has the first hole 321 and second The third flow that is overlapped with the water inlet end face of the second cavity 12 of part of hole 322 is intake state, third flow water inlet state into Water flow size is not fixed, related with the specific turned position of spool, but the inflow of third flow water inlet state is greater than second Flow water inlet state, and it is less than first flow water inlet state, water feed apparatus can switch between three states；Alternatively, The water feed apparatus also has the 4th that the first hole 321 and the second hole 322 are overlapped with the water inlet end face of the second cavity 12 completely The flow of inlet water of flow water inlet state, the 4th flow water inlet state at this time is maximum, so that water feed apparatus has more intake Amount adjusts gear.

Remaining technical characteristic of water feed apparatus described in the present embodiment is the same as example 1, and is repeated no more.

Embodiment three

The present embodiment provides a kind of rotational structures of spool.

As shown in Figure 9, Figure 10, the spool 3 includes the handler 33 that one end is connected with barrier sheet 31, is opened up on valve body 2 It is close by sealing ring 4 between the handler 33 and the resigning mouthful 21 for the resigning mouthful 21 that the other end of handler 33 stretches out Envelope.The end of handler 33 reaches outside valve body 2, that is, reaches outside inlet pipeline 1, operates convenient for the rotation of spool 3, And the setting of sealing ring 4 can be effectively prevented the problem of leakage of the water in valve body 2.

The one end for reaching the handler 33 outside valve body 2, can be controlled and driving assembly, be also possible to manual for user Rotation.

It is greater than the second handler for being located at 21 outside of resigning mouthful positioned at the outer diameter of the first handler 331 of 21 inside of resigning mouthful 332 outer diameter, so that the first handler 331 and 332 junction of the second handler form limited step 333, the inlet valve is also Including limit film 5 and locking member 6, limit film 5 is fixed in resigning mouthful 21 by locking member 6, and is limited mutually with limited step 333 Position.

33 part of handler positioned at 21 inside of resigning mouthful is considered as the first handler 331, positioned at turning for 21 outside of resigning mouthful Dynamic 33 part of handle is considered as the second handler 332, and the first handler 331 and the second handler 332 form limited step 333, pass through Limit film 5 and locking member 6 limit handler 33 at resigning mouthful 21, and handler 33 is avoided to deviate from from resigning mouthful 21, guarantee valve Position of the core 3 in valve body 2 is stablized, and then makes the stability of rotation in valve body 2, reliable of spool 3.

The limit film 5 is the plate body of one piece of arc, and limit film 5 is equipped with notch 51, and the both ends of notch 51 are respectively equipped with First stops position 52 and the second blocking position 53, and the outer wall of the handler 33 is equipped with the rotary spacing muscle 334 of protrusion；Rotation limit Position muscle 334 stops position 52 and second to stop to rotate between position 53 with handler 33 first, to drive barrier sheet 31 in certain model Enclose interior rotation.Limit film 5 is other than limiting spool 3 in the position in valve body 2, additionally it is possible to the rotation to handler 33 Angle is limited.

The locking member 6 is screw, there are two.Two screws are separately positioned on the both ends of limit film 5.

The present embodiment can be used in combination with embodiment one or embodiment two.

When the present embodiment is used in combination with embodiment one, rotary spacing muscle 334 and first stops position 52, second to stop position 53 inconsistent extreme positions can be set as full-gear, full-shut position, and rotary spacing muscle 334 is located at first and stops position 52 And second stop position 53 between when, then be the state that partially overlaps of the water inlet end face of water hole 32 and the second cavity 12.

When the present embodiment is used in combination with embodiment two, rotary spacing muscle 334 and first stops position 52, second to stop position 53 inconsistent extreme positions can be set as first flow water inlet state and second flow water inlet state, so that inflow is set Set simpler, operation is more convenient, operation it is indicative stronger.

Example IV

The present embodiment provides a kind of inlet valves of band water inlet filtering function.

As shown in Figure 11, Figure 12, the inlet valve includes the filter cylinder 7 being arranged in valve body 2, and the side wall of filter cylinder 7 is equipped with Filter opening 71, the barrier sheet 31 are the arc-shaped plate body in one piece of section, and barrier sheet 31 is enclosed in outside filter cylinder 7 in Semi surrounding type, with Make to be filtered before entering the first cavity 11 by filter cylinder 7 by the water of water hole 32.Water supply in second cavity 12 enters valve body 2 Afterwards, 32 runoff investigation of water hole is first passed through, after being filtered using the filter opening 71 of filter cylinder 7, is just entered in the first cavity 11, into And entering the liner of gas heater, the setting of filter cylinder 7 improves feedwater quality.

Filter opening 71 on the filter cylinder 7, which can be, to be arranged in position corresponding with water hole 32, and the structure of this filter cylinder 7 is strong Degree is high.Being also possible to such as the present embodiment, the side wall of filter cylinder 7 is whole piece mesh, and mesh constitutes filter opening 71, and this filter cylinder 7 adds Work is convenient.

The spool 3 is equipped with hook 34, and the filter cylinder 7 is equipped with the snap ring 72 being used cooperatively with hook 34, hook 34 It is clamped with snap ring 72 so that filter cylinder 7 is mounted on spool 3.Easy to assembly, and the knot of spool 3 and filter cylinder 7 of spool 3 and filter cylinder 7 Structure is all simple, easy to process.

The present embodiment can be used in combination with embodiment one, embodiment two or embodiment three.

Embodiment five

The present embodiment provides a kind of inlet valves with releasing pressure automatically function.

The adjustable gas heater water feed apparatus of a kind of inflow as shown in fig. 13 that, the inlet pipeline 1 including perforation, The water feed apparatus includes inlet valve, and inlet valve includes the valve body 2 being arranged on inlet pipeline 1 and is installed in rotation on valve body Spool 3 on 2, the spool 3 include the barrier sheet 31 being arranged in inlet pipeline 1, and inlet pipeline 1 is separated by barrier sheet 31 The first cavity 11 being connected to the liner of gas heater and the second cavity 12 being connected to water supplying pipe open up on barrier sheet 31 Water hole 32；Barrier sheet 31 is rotated with spool 3, and water hole 32 is driven to have different overlappings from the water inlet end face of the second cavity 12 Area, with the inflow of regulating water inlet valve.

The spool 3 includes the handler 33 that one end is connected with barrier sheet 31, is opened up on valve body 2 for the another of handler 33 The resigning mouthful 21 stretched out is held, is sealed between the handler 33 and the resigning mouthful 21 by sealing ring 4.

The water feed apparatus includes releasing pressure automatically structure, and the handler 33 has hollow cavity 335, is protruded into valve body 2 One end of handler 33 opens up the water outlet 336 being connected to hollow cavity 335, and the other end opens up the draining being connected to hollow cavity 335 Mouth 337, the bore of water outlet 336 are less than the internal diameter of hollow cavity 335；The releasing pressure automatically structure includes being located in hollow cavity 335 Water bloking piece 81 and pressure spring 82, one end and the water bloking piece 81 of pressure spring 82 offset, and the other end and the inner wall of hollow cavity 335 offset, with Water bloking piece 81 is set to cover the water outlet 336 under 82 pressure of pressure spring；When the hydraulic pressure in the first cavity 11 is greater than the pressure of pressure spring 82 When power, water bloking piece 81 is moved away from water outlet 336 to realize that pressure release drains.

Water when the hydraulic pressure in the first cavity 11 is greater than pressure (pressure value of setting) of pressure spring 82, in the first cavity 11 Water bloking piece 81 can be pushed open, water bloking piece 81 is made to be moved away from water outlet 336, the water in the first cavity 11 passes through water outlet 336, hollow cavity 335, discharge outlet 337 is discharged, and realizes releasing pressure automatically, guarantees that the inside water pressure of gas heater liner is stablized, improves and use Safety.When the hydraulic pressure in the first cavity 11 is less than pressure (pressure value of setting) of pressure spring 82, water bloking piece 81 is in pressure spring 82 Elastic-restoring force under the action of cover water outlet 336, stop the water in the first cavity 11 to be discharged through water outlet 336.

The present embodiment can be used in combination with embodiment one, embodiment two, embodiment three or example IV.

Embodiment six

The present embodiment provides a kind of inlet valves with hand-actuated function.

A kind of water feed apparatus as shown in figure 14 includes water distribution structure, and the water distribution structure includes being provided on valve body 2 Dewatering outlet 91, the plugging block 92 being arranged at dewatering outlet 91, reset spring 93, dewatering outlet 91 are connected to the first cavity 11, are resetted One end position of spring 93 is fixed, and the other end and plugging block 92 are inconsistent, and plugging block 92 is moved away from dewatering outlet 91 under external force To discharge water, and dewatering outlet 91 is blocked again under the effect of the elastic-restoring force of reset spring 93.

When user needs to discharge the water in the first cavity 11 and liner, exerts a force to plugging block 92, it is made to be moved away from dewatering outlet 91, the water in the first cavity 11 flows out outside valve body 2 from dewatering outlet 91；After waterproof, releasing is applied to outer in plugging block 92 Power, the elastic-restoring force of reset spring 93, which is applied in plugging block 92, resets plugging block 92, blocks dewatering outlet 91 again.

The present embodiment can be used in combination with embodiment one, embodiment two, embodiment three, example IV or embodiment five.

More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto, Being familiar with the those skilled in the art should be understood that the utility model includes but is not limited to attached drawing and above in specific embodiment The content of description.The modification of any function and structure principle without departing from the utility model is intended to be included in the model of claims In enclosing.

Claims (10)

1. a kind of adjustable gas heater water feed apparatus of inflow, the inlet pipeline including perforation, it is characterised in that: described Water feed apparatus includes inlet valve, and inlet valve includes the valve body being arranged on inlet pipeline and the valve that is installed in rotation on valve body Core, the spool include the barrier sheet being arranged in inlet pipeline, and inlet pipeline is separated into and gas heater by barrier sheet First cavity of liner connection and the second cavity for being connected to water supplying pipe open up water hole on barrier sheet；Barrier sheet is with spool Rotation drives water hole to have different overlapping areas from the water inlet end face of the second cavity, with the inflow of regulating water inlet valve.

2. the adjustable gas heater water feed apparatus of a kind of inflow according to claim 1, it is characterised in that: described A circular hole is opened up on barrier sheet, the circular hole constitutes above-mentioned water hole；The barrier sheet with valve core rotation, drive circular hole with It the water inlet end face full-gear being completely coincident of second cavity, the state that partially overlaps and is cut between the full-shut position not being overlapped It changes.

3. the adjustable gas heater water feed apparatus of a kind of inflow according to claim 1, it is characterised in that: described The first hole and the second hole are opened up on barrier sheet, the area in the first hole is greater than the area in the second hole, the common structure in the first hole and the second hole At above-mentioned water hole；The barrier sheet with valve core rotation, be at least overlapped in the first hole with the water inlet end face of the second cavity first Switch between the second flow water inlet state that flow water inlet state, the second hole are overlapped with the water inlet end face of the second cavity.

4. the adjustable gas heater water feed apparatus of a kind of inflow according to claim 1, it is characterised in that: described Spool includes the handler that one end is connected with barrier sheet, and the resigning mouthful of the other end stretching for handler is opened up on valve body, described It is sealed between handler and the resigning mouthful by sealing ring.

5. the adjustable gas heater water feed apparatus of a kind of inflow according to claim 4, it is characterised in that: be located at The outer diameter of the first handler on the inside of resigning mouthful is greater than the outer diameter for the second handler being located on the outside of resigning mouthful, so that the first rotation Handle and the second handler junction form limited step, and the inlet valve further includes limit film and locking member, and limit film passes through lock Tight part is fixed in resigning mouthful, and is limited mutually with limited step.

6. the adjustable gas heater water feed apparatus of a kind of inflow according to claim 5, it is characterised in that: described Limit film is the plate body of one piece of arc, and limit film is equipped with notch, and the both ends of notch are respectively equipped with the first blocking position and the second resistance Gear, the outer wall of the handler are equipped with the rotary spacing muscle of protrusion；Rotary spacing muscle stops position and second to stop first It is rotated between position with handler, to drive barrier sheet to rotate in a certain range.

7. the adjustable gas heater water feed apparatus of a kind of inflow according to any one of claim 1 to 6, special Sign is: the inlet valve includes setting in the intracorporal filter cylinder of valve, and the side wall of filter cylinder is equipped with filter opening, and the barrier sheet is one piece The arc-shaped plate body in section, barrier sheet are enclosed in outside filter cylinder in Semi surrounding type, so that the water by water hole is entering the first chamber It is filtered before body by filter cylinder.

8. the adjustable gas heater water feed apparatus of a kind of inflow according to claim 7, it is characterised in that: described Spool is equipped with hook, and the filter cylinder is equipped with the snap ring being used cooperatively with hook, and hook and snap ring are clamped so that filter cylinder is installed On spool.

9. the adjustable gas heater water feed apparatus of a kind of inflow according to claim 4, it is characterised in that: described Water feed apparatus includes releasing pressure automatically structure, and the handler has hollow cavity, protrude into the intracorporal handler of valve one end open up with The water outlet of hollow cavity connection, the other end open up the discharge outlet being connected to hollow cavity, and the bore of water outlet is less than the interior of hollow cavity Diameter；The releasing pressure automatically structure includes the water bloking piece and pressure spring in hollow cavity, and one end and the water bloking piece of pressure spring offset, another It holds and offsets with the inner wall of hollow cavity, so that water bloking piece covers the water outlet under pressure spring pressure；When the intracorporal hydraulic pressure of the first chamber Greater than pressure spring pressure when, water bloking piece be moved away from water outlet with realize pressure release drain.

10. the adjustable gas heater water feed apparatus of a kind of inflow according to any one of claim 1 to 6, Be characterized in that: the water feed apparatus includes water distribution structure, the water distribution structure include the dewatering outlet being provided on valve body, setting exist Plugging block, reset spring at dewatering outlet, dewatering outlet are connected to the first cavity, and an end position of reset spring is fixed, the other end Inconsistent with plugging block, plugging block is moved away from dewatering outlet under external force to discharge water, and in the elastic recovery masterpiece of reset spring Block dewatering outlet again under.