CN216539072U

CN216539072U - Liquid spraying storage device and device

Info

Publication number: CN216539072U
Application number: CN202123251653.1U
Authority: CN
Inventors: 陈锦雄; 张盛财
Original assignee: Shenzhen Kale Spraying Technology Co ltd
Current assignee: Shenzhen Kale Spraying Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-17
Anticipated expiration: 2031-12-22

Abstract

The utility model provides a liquid spray storage device, which comprises a liquid storage cup and a valve body, wherein the bottom of the liquid storage cup is fixedly provided with a valve body mounting seat, the valve body mounting seat is provided with a first limiting ring and a second limiting ring, the second limiting ring surrounds the first limiting ring, so that a clamping groove is formed between the first limiting ring and the second limiting ring, the bottom of the liquid storage cup is provided with an automatic vent hole and a manual vent hole, the automatic vent hole is positioned in the first limiting ring, and the manual vent hole is positioned outside the first limiting ring and inside the second limiting ring; the valve body comprises a valve seat and a valve core, the valve seat is matched with the clamping groove, the valve core is provided with an air inlet communicated with the air inlet side of the valve seat, and the air inlet is gradually reduced from the air inlet side to the air outlet side. The utility model also discloses a liquid spraying device comprising the liquid spraying storage device. The spray reservoir of the present invention is adaptable for use in spray applications with different spray rates.

Description

Liquid spraying storage device and device

Technical Field

The utility model relates to the technical field of liquid spraying, in particular to a storage device for providing liquid spraying for a spray gun and a device comprising the storage device.

Background

Spray guns are devices that use a liquid or compressed air for rapid release as a motive force, and are commonly used in surface treatment of products, such as painting, to form a protective layer on the surface of the product. When the spray gun is used for spraying operation, the liquid storage cups containing paint liquid are required to be connected, and the liquid storage cups are used for providing spraying raw materials for the spray gun. The specific process is as follows: adding the sprayed liquid raw materials into a liquid storage cup, then covering a cup cover on the top of the liquid storage cup, connecting the cup cover with a spray gun through an adapter, and connecting the tail part of the spray gun with a compressed air pipe; when the spraying work is carried out, the liquid storage cup is inverted, when the paint mist is sprayed out from the spray gun, negative pressure can be generated inside the liquid storage cup, when the negative pressure is larger and larger, the liquid paint cannot flow out, and the spraying work is stopped.

In the prior art, in order to solve the problem that the paint spraying operation is stopped due to overlarge negative pressure inside the liquid storage cup, a vent hole is formed in the bottom of the liquid storage cup, then an air inlet valve is installed, and when the spraying operation is performed, the air inlet valve is opened, so that air enters the liquid storage cup, and liquid is smoothly sprayed out; when the painting operation is finished, the air inlet valve is closed. In the prior art, the air inlet valve is manual, and a valve core needs to be opened or closed manually.

In order to solve the problem that the manual air inlet valve needs to be opened or closed manually, a valve body structure capable of being opened or closed automatically also appears in the prior art. However, the inventor finds that the existing automatic air inlet valve body structure cannot meet the requirement of spraying at a large flow rate, is not suitable for viscous paint, namely can only meet the requirement of spraying one by one, cannot meet the requirement of a user on surface spraying treatment of various different products, and is difficult to really popularize and apply.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defect that the air inlet structure of the liquid storage cup in the prior art can only be suitable for spraying of coatings with small flow or single viscosity, and provides a liquid spraying storage device which can be used for spraying operation with small flow as well as large flow, is also suitable for spraying coatings with different viscosities, and can meet the use requirements of various spraying scenes by a user by adopting one liquid spraying storage device.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a liquid spray reservoir, comprising:

liquid storage cup: a valve body mounting seat is fixed at the bottom of the liquid storage cup, the valve body mounting seat is provided with a first limiting ring and a second limiting ring, the second limiting ring surrounds the first limiting ring, so that a clamping groove is formed between the first limiting ring and the second limiting ring, the bottom of the liquid storage cup is provided with an automatic vent hole and a manual vent hole, the automatic vent hole is positioned inside the first limiting ring, and the manual vent hole is positioned outside the first limiting ring and inside the second limiting ring;

a valve body: is detachably connected with the liquid storage cup and comprises a valve seat and a valve core,

the valve seat is matched with the clamping groove, one side of the valve seat, which is contacted with the bottom of the liquid storage cup, is an air outlet side, and one side of the valve seat, which is far away from the bottom of the liquid storage cup, is an air inlet side;

the valve core is fixedly connected with the valve seat and is positioned in the valve seat, the valve core is provided with an air inlet communicated with the air inlet side of the valve seat, the air inlet is gradually reduced from the air inlet side to the air outlet side, when the pressure of the air inlet side is greater than the pressure of the air outlet side, the air inlet is in an open state, and when the pressure of the air inlet side is not greater than the pressure of the air outlet side, the air inlet is in a closed state.

In one embodiment, the inlet is tapered.

In one embodiment, the valve body is integrally formed of an elastic material.

In one embodiment, the number of the manual vent holes is plural, and the plural manual vent holes are arranged in a central symmetry manner with the automatic vent hole as a symmetry center.

In one embodiment, the first and second stop collars are circular rings, and the clamping groove is an annular clamping groove.

In one embodiment, the second stop collar is provided with an assembly notch.

In one embodiment, the assembly notch comprises a first assembly notch and a second assembly notch, and the first assembly notch and the second assembly notch are located on a center line of the automatic vent.

In one embodiment, the valve seat is further provided with a handle part which is fixedly connected to the periphery of the valve seat.

In one embodiment, a positioning piece is further arranged at the bottom of the liquid storage cup and located outside the second limiting ring, the valve seat is fixedly connected with a positioning sleeve, and the positioning sleeve is matched with the positioning piece.

The utility model also provides a liquid spraying device which comprises the liquid spraying storage device and a cup cover, wherein the cup cover is covered with the liquid storage cup, the cup cover is provided with a liquid outlet, and the liquid outlet is used for being connected with a spray gun.

Compared with the prior art, the utility model has the beneficial effects that:

the bottom of the liquid storage cup is provided with the automatic vent hole and the manual vent hole, and the air inlet of the valve core is gradually reduced from the air inlet side to the air outlet side, so that the valve core can be opened in a one-way mode under negative pressure, and can be closed reversely to prevent leakage; when the negative pressure is increased, the air in the inverted liquid storage cup is reduced, the air inlet of the valve core is automatically opened, the air enters the liquid storage cup from the external environment through the air inlet and the automatic vent hole, and the coating in the liquid storage cup can be continuously sprayed out for circular work; if the demand of spraying operation still can not be satisfied to spun flow this moment, perhaps thick and lead to the spraying slow because of coating, can directly pull out the valve body, manual air vent, the automatic air vent of stock solution cup bottom directly expose, inside outside air directly entered into the stock solution cup by manual air vent, automatic air vent, formed multiunit inlet channel, satisfied large-traffic spraying demand.

The utility model can ensure the smooth and continuous spraying operation by one-way air intake of the automatically opened and closed valve core, and can also increase the spraying flow by forming a plurality of groups of air intake channels through the automatic vent hole and the manual vent hole, thereby meeting the use requirements of various spraying flows.

Drawings

FIG. 1 is a schematic perspective view of a liquid spray storage device according to the present invention;

FIG. 2 is an exploded perspective view of the spray reservoir of FIG. 1;

FIG. 3 is a perspective view of a liquid cup of a liquid spray container according to the present invention;

FIG. 4 is a perspective view of a valve body mount of a spray reservoir of the present invention;

FIG. 5 is a perspective view of a valve body of a liquid spray reservoir of the present invention;

FIG. 6 is a perspective view of another angle of a valve body of a liquid spray reservoir of the present invention;

FIG. 7 is a cross-sectional view of a liquid spray reservoir of the present invention;

fig. 8 is a perspective view of a liquid ejecting apparatus according to the present invention.

In the figure, the position of the upper end of the main shaft,

10-a liquid storage cup; 11-a positioning element; 20-a valve body mounting seat; 21-a first stop collar; 21 a-automatic vent; 22-a second stop collar; 22 a-manual vent; 22 b-a card slot; 221-a first assembly notch; 222-a second assembly notch; 31-a valve seat; 32-a valve core; 32 a-an air inlet; 33-a positioning sleeve; 34-holding the hand; 40-a cup cover; 41-liquid outlet.

Detailed Description

In order to make the objects, features and advantages of the present invention more apparent and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1

Referring to fig. 1 and 2, a structure of a liquid spray container according to an embodiment of the utility model is shown. The liquid spraying storage device comprises a liquid storage cup 10, a valve body mounting seat 20 is fixed at the bottom of the liquid storage cup 10, and the liquid spraying storage device further comprises a valve body which is detachably connected with the valve body mounting seat 20.

Referring to fig. 3 and 4, the valve body mounting seat 20 includes a first limiting ring 21 and a second limiting ring 22 fixed at the bottom of the liquid storage cup 10, and the second limiting ring 22 surrounds the first limiting ring 21, so that a clamping groove 22b is formed between the first limiting ring 21 and the second limiting ring 22. The locking groove 22b is used for fixing the valve body. The first limiting ring 21 may be a circular ring, a square ring, a rectangular ring, or the like. Similarly, the second retainer 22 may be a circular ring, a square ring, a rectangular ring, or the like. When the first spacing ring 21 and the second spacing ring 22 are both circular rings, the clamping groove 22b is formed as a circular groove. An automatic vent hole 21a is arranged in the area range of the first limit ring 21 at the bottom of the liquid storage cup 10. A manual vent hole 22a is formed in the area of the second limiting ring 22 at the bottom of the liquid storage cup 10 and outside the area of the first limiting ring 21, i.e. the area of the clamping groove 22 b.

Referring to fig. 5 and 6, the valve body is integrally formed by elastic silica gel, and includes a valve seat 31 and a valve core 32 which are fixedly connected. The shape of the valve seat 31 is matched with the clamping groove 22b, so that the valve seat 31 is just plugged into the clamping groove 22b, on one hand, the manual vent hole 22a is sealed, and on the other hand, the valve body is fixed at the bottom of the liquid storage cup 10. The side of the valve seat 31 contacting with the bottom of the liquid storage cup 10 is an air outlet side, and the side of the valve seat 31 far away from the bottom of the liquid storage cup 10 is an air inlet side. The valve element 32 is fixedly connected with the valve seat 31 and is located inside the valve seat 31, the valve element 32 is provided with an air inlet 32a communicated with an air inlet side of the valve seat 31, the air inlet 32a is gradually reduced from the air inlet side to the air outlet side, when the pressure of the air inlet side is greater than that of the air outlet side, the air inlet 32a is in an open state, and when the pressure of the air inlet side is not greater than that of the air outlet side, the air inlet 32a is in a closed state.

The operating principle of the spray reservoir of this embodiment is as follows:

because the valve core 32 is integrally formed by adopting an elastic material, and the air inlet 32a is gradually reduced from the air inlet side to the air outlet side, the valve core can be unidirectionally unfolded to allow air to enter and reversely closed to prevent leakage under negative pressure. Referring to fig. 7, during the spraying operation, negative pressure is generated inside the inverted liquid storage cup 10, when the negative pressure is increased, the air in the liquid storage cup 10 is reduced, the air inlet 32a of the valve core 32 is automatically opened, the air enters the liquid storage cup 10 from the external environment through the air inlet 32a and the automatic vent hole 21a, and the paint in the liquid storage cup 10 can be continuously sprayed out for cycle work; if the sprayed flow still does not meet the requirement of spraying operation or the spraying is slow due to the fact that the coating is thick, the valve body can be directly pulled out, the manual vent hole 22a and the automatic vent hole 21a at the bottom of the liquid storage cup 10 are directly exposed, and external air directly enters the liquid storage cup 10 from the manual vent hole 22a and the automatic vent hole 21a to form a plurality of groups of air inlet channels, so that the requirement of large-flow spraying is met.

In one embodiment, the inlet 32a has a triangular cone shape.

In one embodiment, the number of the manual air vents 22a is plural, and the plural manual air vents 22a are arranged in a central symmetry with the automatic air vent 21a as a symmetry center, in order to uniformly discharge the paint at a large flow rate. In the present embodiment, the number of the manual air vents 22a is 4, and the 4 manual air vents 22a are arranged in a central symmetry with the automatic air vents 21a as a symmetry center.

In one embodiment, in order to facilitate the user to take out the valve body from the valve body mounting seat 20 when spraying a large flow of paint, the second stop collar 22 is provided with an assembly notch, which facilitates the user to hold the valve seat 31 by hand to take out the valve body. In this embodiment, there are two assembling notches, that is, a first assembling notch 221 and a second assembling notch 222, and the first assembling notch 221 and the second assembling notch 222 are located on a central line of the automatic ventilation hole 21a, so that a user can conveniently take out the valve body.

In one embodiment, in order to enable a user to take out a valve body without additionally placing the valve body when spraying a large flow of paint, the bottom of the liquid storage cup 10 is further provided with a positioning member 11, the positioning member 11 is located outside the second limiting ring 22, the valve seat 31 is fixedly connected with a positioning sleeve 33, and the positioning sleeve 33 is matched with the positioning member 11. After the valve seat 31 is separated from the valve body mounting seat 20, the positioning sleeve 33 is sleeved on the positioning member 11, so that the valve seat 31 is separated from the valve body mounting seat 20 and is connected with the liquid storage device, and a valve body does not need to be additionally arranged.

In one embodiment, the valve seat 31 is further provided with a handle portion 34, the handle portion 34 is fixedly connected to the outer periphery of the valve seat 31, and a user turns up the valve seat 31 through the handle portion 34, so that the valve seat 31 is separated from the valve body mounting seat 20.

Example 2

Referring to fig. 8, a liquid spraying apparatus includes the liquid spraying reservoir and a cup cover 40. The spray reservoir was the spray reservoir of example 1. The cup cover 40 is covered with the liquid storage cup 10, the cup cover 40 is provided with a liquid outlet 41, and the liquid outlet 41 is used for being connected with a spray gun. Specifically, the liquid outlet 41 is connected to an adapter, and then connected to a spray gun through the adapter.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. A liquid spray reservoir, comprising:

the valve seat is matched with the clamping groove, one side of the valve seat, which is contacted with the bottom of the liquid storage cup, is an air outlet side,

one side of the valve seat, which is far away from the bottom of the liquid storage cup, is an air inlet side;

2. The spray reservoir of claim 1, wherein the inlet is tapered.

3. The spray reservoir of claim 1, wherein: the valve body is made of elastic materials and is integrally formed.

4. The spray reservoir of claim 1, wherein the manual vent is a plurality of manual vents arranged symmetrically about the center of symmetry of the automatic vent.

5. The spray reservoir of claim 1, wherein: the first limiting ring and the second limiting ring are both circular rings, and the clamping groove is an annular clamping groove.

6. The spray reservoir of claim 1, wherein the second retaining ring is provided with an assembly notch.

7. The spray reservoir of claim 6, wherein the mounting notches comprise a first mounting notch and a second mounting notch, the first mounting notch and the second mounting notch being located on a centerline of the automatic vent.

8. The spray reservoir of claim 1, wherein the valve seat is further provided with a handle portion fixedly attached to an outer periphery of the valve seat.

9. The spray reservoir of claim 1, wherein the bottom of the reservoir cup is further provided with a positioning member, the positioning member is located outside the second limiting ring, the valve seat is fixedly connected with a positioning sleeve, and the positioning sleeve is matched with the positioning member.

10. A liquid ejection apparatus characterized by: comprising a spray reservoir according to any one of claims 1 to 9, a cup cover covering the reservoir, the cup cover being provided with a liquid outlet for connection to a spray gun.