CN215564220U - Gravity type constant-temperature electric paint spray gun - Google Patents

Abstract

The utility model discloses a gravity type constant-temperature electric paint spray gun, which relates to the technical field of spraying equipment and comprises a spray gun body and a storage tank detachably mounted above the spray gun body, wherein a discharge port, a feed port and an air interface are arranged on the spray gun body, the discharge end of the storage tank is in threaded connection with the feed port, a spray head is detachably mounted at the discharge port, the air interface is connected with an air pipe, the top of the storage tank is provided with an opening, a cover plate is detachably mounted at the top of the storage tank, the storage tank is connected with the cover plate through a connecting mechanism, a slide hole is formed in the middle of the cover plate, and a push rod is slidably connected to the inner side wall of the slide hole. According to the utility model, the first spring is used for pressing the connecting plate, so that the piston is pushed to the bottom of the storage tank, and pressure is applied to the coating in the storage tank, thus the coating can flow out more smoothly, the condition of uneven discharging is effectively reduced, and the spraying effect is improved.

Description

Gravity type constant-temperature electric paint spray gun

Technical Field

The utility model relates to the technical field of spraying equipment, in particular to a gravity type constant-temperature electric paint spray gun.

Background

Along with the development of society, people have higher and higher requirements on the building decoration quality, and the quality of the building decoration quality mainly depends on tools used in the construction process. At present, the coating of the wall is an important construction process in building decoration, and a spray gun is generally adopted to spray the coating on the wall.

Gravity type spray gun is through coating self gravity, cooperatees with spray gun internal gas pressure, makes coating spout from the nozzle, under the general condition, the storage tank on the spray gun is the sealed jar body, along with in the continuous entering spray gun of coating, the coating liquid level descends gradually, and storage tank internal gas pressure reduces gradually and forms the negative pressure, and under the effect of negative pressure, coating is difficult to continuous inflow spray gun, and this can lead to the condition that the rifle is jumped to the appearance, leads to the spray gun ejection of compact inhomogeneous, influences the spraying quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the paint in a storage tank in the prior art forms negative pressure to cause uneven discharging of a spray gun when the paint is used, and provides a gravity type constant-temperature electric paint spray gun.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a gravity type constant temperature electric paint spray gun comprises a spray gun body and a storage tank which is detachably arranged above the spray gun body, the spray gun body is provided with a discharge port, a feed port and an air interface, the discharge end of the storage tank is in threaded connection with the feed port, the discharge hole is detachably provided with a spray head, the air interface is connected with an air pipe, the top of the material storage tank is provided with an opening, and the top of the storage tank is detachably provided with a cover plate, the storage tank is connected with the cover plate through a connecting mechanism, a sliding hole is arranged in the middle of the cover plate, a push rod is connected with the inner side wall of the sliding hole in a sliding manner, a connecting plate is fixedly arranged at the bottom end of the push rod, a cross rod is fixedly arranged at the top end of the push rod, a first spring is arranged between the connecting plate and the cover plate, and a piston connected with the inner side wall of the material storage tank in a sealing and sliding manner is fixedly arranged at the bottom of the connecting plate, and a limiting mechanism is further arranged on the push rod.

Preferably, the bottom of the storage tank is conical, and the discharge end of the storage tank is located at the geometric center of the bottom.

Preferably, the storage tank is provided with a hollow interlayer, and the interlayer is a vacuum layer.

Preferably, the connecting mechanism comprises a plurality of sliding blocks connected with the cover plate in a sliding manner, a sliding opening matched with the sliding blocks is formed in the cover plate, a second spring is arranged between the sliding blocks and the sliding opening, a clamping block is fixedly arranged at the bottom of each sliding block, and a clamping groove matched with the clamping block is formed in the inner side wall of the storage tank.

Preferably, the cross section of the clamping block is a triangle with a downward inclined surface and an upward plane, and the cross section of the clamping groove is consistent with the cross section of the clamping block in shape.

Preferably, stop gear is including seting up the spout in the push rod outer peripheral face, the fixed spacing post that is provided with corresponding with the spout of slide opening inside wall, spacing post and spout sliding connection, the annular that is linked together with the spout bottom is seted up to the push rod outer peripheral face, the annular top is equipped with the spacing groove.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the push rod, the connecting plate, the first spring and the piston are used in a matched manner, so that the problem that the spray gun discharges unevenly due to the fact that the storage tank forms negative pressure when coating in the storage tank is used in the prior art is solved, the first spring presses the connecting plate to push the piston to the bottom of the storage tank to apply pressure to the coating in the storage tank, the coating can flow out more smoothly, the uneven discharging condition is effectively reduced, and the spraying effect is improved.

According to the utility model, the interlayer is arranged, so that the material storage tank has a certain heat preservation effect, the problem that the paint adhesion is poor due to the fact that the paint is used in cold weather and the paint temperature is too low can be avoided, the stability and the constancy in the material storage tank can be kept to a certain extent, and the spraying quality is improved.

Drawings

Fig. 1 is a schematic perspective view of a gravity type constant temperature electric paint spray gun according to the present invention;

FIG. 2 is a schematic structural view of a spray gun body of a gravity type constant temperature electric paint spray gun according to the present invention;

FIG. 3 is a cross-sectional view of a storage tank of a gravity type constant temperature electric paint spray gun according to the present invention;

FIG. 4 is a schematic structural diagram of a cover plate of a gravity type constant temperature electric paint spray gun according to the present invention;

FIG. 5 is a schematic structural view of a connection relationship between a slide block and a clamping block in a gravity type constant temperature electric paint spray gun according to the present invention;

fig. 6 is a schematic structural diagram of a connection relationship between a push rod, a cross rod, a connecting block and a piston in a gravity type constant temperature electric paint spray gun according to the present invention.

Description of reference numerals:

1. a spray gun body; 2. a material storage tank; 3. a discharge port; 4. a feed inlet; 5. an air interface; 6. a spray head; 7. an air tube; 8. a cover plate; 9. a slide hole; 10. a push rod; 11. a connecting plate; 12. a cross bar; 13. a first spring; 14. a piston; 15. an interlayer; 16. a slider; 17. a sliding port; 18. a clamping block; 19. a card slot; 20. a chute; 21. a limiting column; 22. a ring groove; 23. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a gravity type constant temperature electric paint spray gun comprises a spray gun body 1 and a storage tank 2 detachably mounted above the spray gun body 1, wherein the spray gun body 1 and the storage tank 2 are made of metal materials, the service life is prolonged, the spray gun body 1 is provided with a discharge port 3, a feed port 4 and an air interface 5, the discharge port 3 is positioned at the front end of the spray gun body 1, the feed port 4 is positioned at the top of the spray gun body 1, the air interface 5 is positioned at the bottom end of a handheld part of the spray gun body 1, the discharge end of the storage tank 2 is in threaded connection with the feed port 4, a sealing gasket is arranged at the feed port 4, make storage tank 2 and spray gun body 1 screw through rotating storage tank 2, sealed the pad be favorable to improving the seal between storage tank 2 and the spray gun body 1, effectively reduce coating and spill, and discharge gate 3 demountable installation has shower nozzle 6, and air interface 5 is connected with trachea 7.

Referring to fig. 3, storage tank 2 bottom is conical setting, and the discharge end of storage tank 2 is located the geometric centre of bottom, assembles to the discharge end of storage tank 2 when being favorable to coating to rely on self gravity to flow, and the coating in the storage tank 2 of being convenient for carries out the ejection of compact.

Referring to fig. 3, storage tank 2 is equipped with the intermediate layer 15 that cavity set up, and intermediate layer 15 is the vacuum layer, and the vacuum layer has fine thermal-insulated heat retaining effect, reduces when using under cold environment, and the inside coating cooling rate of storage tank 2 makes coating be in a normal temperature range, thereby avoids the temperature to hang down to lead to coating adhesive property to deteriorate and influence the spraying effect.

The top of storage tank 2 is the opening setting, is favorable to the interpolation of coating, and 2 tops demountable installation of storage tank have apron 8, and storage tank 2 passes through coupling mechanism with apron 8 and is connected.

Referring to fig. 3-5, the connecting mechanism comprises a plurality of sliding blocks 16 connected with the cover plate 8 in a sliding manner, the cover plate 8 is provided with sliding openings 17 matched with the sliding blocks 16, the sliding openings 17 are distributed in a circumferential array, and the inner side wall of the sliding opening 17 is provided with a groove, two sides of the sliding block 16 are provided with bulges which are connected with the groove in a sliding way and prevent the sliding block 16 from being separated from the sliding opening 17, a second spring is arranged between the sliding block 16 and the sliding opening 17 and is arranged at one end of the sliding block 16 close to the center of the cover plate 8, a clamping block 18 is fixedly arranged at the bottom of the sliding block 16, the inner side wall of the storage tank 2 is provided with a clamping groove 19 matched with the clamping block 18, when the cover plate 8 is positioned above the storage tank 2, the cover plate 8 is pressed downwards, the block 18 can be pressed against the top edge of the storage tank 2, the slide block 16 can move towards the middle of the cover plate 8, and the second spring is pressed, at the moment, the clamping block 18 is clamped into the clamping groove 19, and the second spring is reset to finish the connection.

Referring to fig. 3 and 5, the cross section of the fixture block 18 is a triangle with a downward inclined surface and an upward plane, the section of the clamping groove 19 is the same as the section of the fixture block 18 in shape, when the cover plate 8 is covered, the inclined surface of the fixture block 18 firstly contacts the material storage tank 2 and generates pressure to the slider 16 to move the slider 16, connection is completed, and after connection is completed, the plane of the fixture block 18 abuts against the plane of the clamping groove 19 to prevent the cover plate 8 from being separated from the material storage tank 2.

Referring to fig. 3 and 6, a sliding hole 9 is formed in the middle of a cover plate 8, a push rod 10 is slidably connected to the inner side wall of the sliding hole 9, the push rod 10 penetrates through the sliding hole 9 and is arranged perpendicular to the cover plate 8, a connecting plate 11 is fixedly arranged at the bottom end of the push rod 10, a cross rod 12 is fixedly arranged at the top end of the push rod, the cross rod 12 is arranged to facilitate a person to pull the push rod 10, a first spring 13 is arranged between the connecting plate 11 and the cover plate 8, two ends of the first spring 13 respectively abut against the top surface of the connecting plate 11 and the bottom surface of the cover plate 8, a piston 14 hermetically and slidably connected with the inner side wall of a storage tank 2 is fixedly arranged at the bottom of the connecting plate 11, the bottom of the piston 14 is conical to facilitate installation, a limit mechanism is further arranged on the push rod 10, after paint is filled into the storage tank 2, the piston 14 is placed inside the storage tank 2 to be attached to the inner wall of the storage tank 2, the cover plate 8 is connected through the connecting mechanism, and the first spring 13 can apply pressure to the connecting plate 11, make piston 14 remove, when spray gun body 1 closed, storage tank 2 internal seal, when spray gun body 1 started, because the support of piston 14 presses, piston 14 also moved down thereupon when the coating liquid level moved down, can not lead to the inside negative pressure that appears of storage tank 2, effectively reduces the inhomogeneous problem of coating ejection of compact, has improved the effect of spraying.

Referring to fig. 4 and 6, the limiting mechanism includes a sliding slot 20 opened on the outer peripheral surface of the push rod 10, a limiting post 21 corresponding to the sliding slot 20 is fixedly disposed on the inner side wall of the sliding hole 9, the limiting post 21 is slidably connected with the sliding slot 20 to limit the rotation of the push rod 10, an annular groove 22 communicated with the bottom end of the sliding slot 20 is disposed on the outer peripheral surface of the push rod 10, a limiting groove 23 is disposed on the top of the annular groove 22, the limiting groove 23 and the sliding slot 20 are disposed in a staggered manner, when the storage tank 2 is filled with paint, if the cover plate 8 needs to be installed, because the first spring 13 is in an extended state, the piston 14 is in a longest state, which may cause paint overflow when the cover plate 8 is installed, the push rod 10 needs to be pulled first to position the limiting post 21 at the bottommost of the sliding slot 20, at this time, the first spring 13 is in a compressed state, when the push rod 10 is rotated to rotate the limiting post 21 to a position corresponding to the limiting groove 23, when the push rod 10 is released, the limiting post 21 is snapped into the limiting groove 23 to enable the piston 14 to be in a closer distance to the cover plate 8, the installation of the apron 8 of being convenient for, apron 8 and storage tank 2 are connected the completion back, can rotate push rod 10 when exerting certain pulling force to push rod 10, make spacing post 21 remove to spout 20 in from spacing groove 23, and first spring 13 releases elasticity this moment, pressurizes the coating in the storage tank 2.

The specific working principle of the utility model is as follows:

when the spraying gun is used, the storage tank 2 is screwed with the feed inlet 4 of the spraying gun body 1, coating is added into the storage tank 2, the push rod 10 is pulled outwards, the limiting column 21 is positioned at the bottom of the chute 20, the push rod 10 is rotated to clamp the limiting column 21 into the limiting groove 23, the cover plate 8 is arranged above the storage tank 2 at the moment to ensure that the piston 14 is attached to the inner wall of the storage tank 2, the cover plate 8 is pressed, the fixture block 18 is pressed to enable the slider 16 to move inwards, when the fixture block 18 is clamped with the clamping groove 19, the slider 16 is moved outwards by the elastic force of the second spring to ensure stable clamping, the push rod 10 is rotated to enable the limiting column 21 to move into the chute 20 from the limiting groove 23, at the moment, the elastic force of the first spring 13 presses the connecting plate 11 to enable the piston 14 to tend to press downwards, the spraying gun body 1 is started to spray, the liquid level of the coating gradually moves downwards, the piston 14 simultaneously presses downwards to apply pressure to the coating, and uneven discharging caused by negative pressure formed in the storage tank 2 is avoided, the efficiency and the quality of spraying are improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a gravity type constant temperature electric paint spray gun, includes spray gun body (1) and demountable installation in storage tank (2) of spray gun body (1) top, a serial communication port, be equipped with discharge gate (3), feed inlet (4) and air interface (5) on spray gun body (1), the discharge end and feed inlet (4) threaded connection of storage tank (2), discharge gate (3) demountable installation has shower nozzle (6), air interface (5) are connected with trachea (7), storage tank (2) top is the opening setting, just storage tank (2) top demountable installation has apron (8), storage tank (2) are connected through coupling mechanism with apron (8), slide opening (9) have been seted up at apron (8) middle part, slide opening (9) inside wall sliding connection has push rod (10), push rod (10) bottom mounting is provided with connecting plate (11), The top end is fixedly provided with a cross rod (12), a first spring (13) is arranged between the connecting plate (11) and the cover plate (8), a piston (14) which is connected with the inner side wall of the material storage tank (2) in a sealing and sliding mode is fixedly arranged at the bottom of the connecting plate (11), and a limiting mechanism is further arranged on the push rod (10).

2. A gravity fed thermostatic electric paint spray gun according to claim 1 wherein the reservoir (2) is conically shaped at its base and the discharge end of the reservoir (2) is located at the geometric centre of the base.

3. A gravity-type thermostatic electric paint spray gun according to claim 1 wherein the reservoir (2) is provided with a hollow interlayer (15) and the interlayer (15) is a vacuum layer.

4. A gravity type constant temperature electric paint spray gun according to claim 1, wherein the connecting mechanism comprises a plurality of sliding blocks (16) slidably connected with the cover plate (8), the cover plate (8) is provided with a sliding opening (17) matched with the sliding blocks (16), a second spring is arranged between the sliding blocks (16) and the sliding opening (17), a clamping block (18) is fixedly arranged at the bottom of the sliding blocks (16), and a clamping groove (19) matched with the clamping block (18) is formed in the inner side wall of the storage tank (2).

5. A gravity type thermostatic electric paint spray gun according to claim 4 wherein the cross section of the block (18) is a triangle with a downward inclined surface and an upward flat surface, and the cross section of the slot (19) is in accordance with the cross section of the block (18).

6. The gravity type constant-temperature electric paint spray gun according to claim 1, wherein the limiting mechanism comprises a sliding groove (20) formed in the outer peripheral surface of the push rod (10), a limiting column (21) corresponding to the sliding groove (20) is fixedly arranged on the inner side wall of the sliding hole (9), the limiting column (21) is connected with the sliding groove (20) in a sliding manner, an annular groove (22) communicated with the bottom end of the sliding groove (20) is formed in the outer peripheral surface of the push rod (10), and a limiting groove (23) is formed in the top of the annular groove (22).

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