CN218486430U

CN218486430U - Double-liquid dispensing valve

Info

Publication number: CN218486430U
Application number: CN202222723719.0U
Authority: CN
Inventors: 张环
Original assignee: Xiamen Huangang Technology Co ltd
Current assignee: Xiamen Huangang Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-02-17
Anticipated expiration: 2032-10-17

Abstract

The utility model provides a two liquid dispensing valves, including the valve gap, the power valve body, sealed valve body, a pedestal, the inside slip of power valve body is provided with the piston, piston bottom side symmetry is provided with two piston rods, the piston rod downwardly extending passes sealed valve body, first air vent and second air vent have been seted up respectively on the power valve body of piston top side and bottom side, and seted up the air channel on sealed valve body, the air channel is passed by the piston rod, still include first O type circle and second O type circle in the piston rod outside, first O type circle and second O type circle set up respectively in air channel top side and bottom side. This application biliquid dispensing valve is through setting up air channel, first O type circle, second O type circle, thereby has solved among the prior art gas that the cylinder spilled and has entered into and advance gluey valve body thereby influence the unable exhaust problem of quality of point glue. This application is through setting up air channel, first O type circle, second O type circle, has solved the inconsistent problem of point that cylinder gas leakage arouses among the prior art.

Description

Double-liquid dispensing valve

Technical Field

The utility model relates to a glue technical field, especially relate to a valve is glued to biliquid point.

Background

Dispensing valves are generally classified into pneumatic and electric. In the prior art, when the pneumatic dispensing valve works, when the air cylinder drives the dispensing valve to dispense glue, the air cylinder is easy to leak, and the gas leaked from the air cylinder is easy to enter the glue inlet valve body, thereby causing the problems of inconsistent dispensing such as wire drawing, dripping leakage, glue point cavities, glue point weight change and the like,

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a two liquid dispensing valves. Through setting up air channel, first O type circle, second O type circle, solved that the gas that the cylinder spills among the prior art enters into and glues inconsistent problems of some point such as wire drawing, water clock, the glue point cavity that arouses and glue point weight change in the valve body.

The utility model provides a biliquid dispensing valve, including the valve gap that from top to bottom sets gradually fixed connection, the power valve body, sealed valve body, a pedestal, the inside slip of power valve body is provided with the piston, piston bottom side symmetry is provided with two piston rods, the piston rod downwardly extending passes sealed valve body, first air vent and second air vent have been seted up respectively on the power valve body of piston top side and bottom side, and the air channel has been seted up on sealed valve body, the air channel is passed by the piston rod, still include first O type circle and second O type circle in the piston rod outside, first O type circle and second O type circle set up respectively in air channel top side and bottom side.

In a preferred embodiment the dual fluid dispensing valve further comprises: and any first gasket is arranged between the piston rod and the sealing valve body and is respectively arranged on the top side and the bottom side of the vent groove.

In a preferred embodiment the dual fluid dispensing valve further comprises: the piston rod comprises a second gasket and a third O-shaped ring, wherein the second gasket is sleeved on the outer side of any piston rod and arranged on the bottom side of the second O-shaped ring, and the third O-shaped ring is arranged between the second gasket and the base.

In a preferred embodiment, the base comprises a glue inlet valve body and a glue outlet valve body, the glue inlet valve body is fixedly connected with the sealing valve body, the glue outlet valve body is fixedly arranged on the bottom side of the glue inlet valve body, and a fourth O-shaped ring is arranged between the glue outlet valve body and the glue inlet valve body.

In a preferred embodiment the dual fluid dispensing valve further comprises an adjustment stem threadably mounted on the valve cover, extending through the valve cover and slidably through the piston, the adjustment stem having a stop step on a top side of the piston.

In a preferred embodiment the dual dispensing valve further comprises a fifth O-ring disposed between the piston and the adjustment stem.

In a preferred embodiment, the dual-liquid dispensing valve further comprises a sixth O-ring, wherein the sixth O-ring is arranged between the adjusting rod and the valve cover.

In a preferred embodiment, the dual fluid dispensing valve further comprises a seventh O-ring disposed between the valve cover and the power valve body.

The utility model discloses two liquid dispensing valves has following technological effect:

1. when the gas that leaks in this application biliquid dispensing valve enters into sealed valve body in the cylinder, the external world can be arranged from sealed valve body's vent groove to gaseous, consequently, is difficult to appear wire drawing, drip leak, glue some cavity and glue some inconsistent problems of point such as weight change.

2. This application biliquid dispensing valve improves the leakproofness of device through first O type circle, can avoid gaseous entering sealed valve body, and gaseous entering into gluey valve body can be avoided in setting up of second O type circle.

3. This application biliquid dispensing valve passes through first packing ring, second packing ring, third O type circle, fourth O type circle, fifth O type circle, sixth O type circle, seventh O type circle, improves the gas tightness of device, improves the reliability that the device used.

4. This application biliquid dispensing valve is because adjusting pole threaded mounting on the valve bonnet, through the rotation regulation pole to the removal distance in restriction piston upside space, and then adjust the stroke of piston, simultaneously, the regulation pole passes the piston, with piston sliding connection, guarantees the coaxial removal of piston.

Drawings

Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are illustrative of some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.

FIG. 1 is a structural diagram of a dual-liquid dispensing valve of the present invention;

FIG. 2 is an exploded view of the dual liquid dispensing valve of the present invention;

FIG. 3 is a cross-sectional view of the dual-liquid dispensing valve of the present invention;

fig. 4 the utility model discloses sealing washer position cross-sectional view is marked to biliquid point gum valve.

In the figure: 10. a valve cover; 20. a power valve body; 30. sealing the valve body; 40. a base; 21. a piston; 22. a piston rod; 23. a first vent hole; 24. a second vent hole; 31. a vent channel; 32. a first O-ring; 33. a second O-ring; 34. a first gasket; 41. a second gasket; 42. a third O-ring; 401. a glue inlet valve body; 402. a glue outlet valve body; 43. a fourth O-ring; 11. adjusting a rod; 111. a limiting step; 26. a fifth O-ring; 12. a sixth O-ring; 13. and a seventh O-ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The dual-liquid dispensing valve will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-4: FIG. 1 is a structural diagram of a dual-liquid dispensing valve of the present invention; FIG. 2 is an exploded view of the dual liquid dispensing valve of the present invention; FIG. 3 is a cross-sectional view of the dual liquid dispensing valve of the present invention; fig. 4 the utility model discloses sealing washer position cross-sectional view is marked to biliquid point gum valve.

Example 1

The utility model provides a two liquid dispensing valve, including the valve gap 10 that sets gradually fixed connection from top to bottom, power valve body 20, sealed valve body 30, base 40, the inside slip of power valve body 20 is provided with piston 21, the symmetry of piston 21 bottom side is provided with two piston rods 22, piston rod 22 downwardly extending passes sealed valve body 30, first air vent 23 and second air vent 24 have been seted up respectively on the power valve body 20 of piston 21 top side and bottom side, and the air channel 31 has been seted up on sealed valve body 30, air channel 31 is passed by piston rod 22, still include first O type circle 32 and second O type circle 33 in the piston rod 22 outside, first O type circle 32 and second O type circle 33 set up respectively on air channel 31 top side and bottom side.

According to the working principle, the piston 21 divides the inner cavity of the power valve body 20 into an upper area and a lower area, the first vent hole 23 is used for controlling air intake or air exhaust of the area above the piston 21, the second vent hole 24 is used for controlling air exhaust or air intake of the area below the piston 21, when air leaked from the air cylinder enters the sealing valve body 30, the air can be exhausted to the outside from the vent groove 31 of the sealing valve body 30, and therefore the problems of inconsistent dispensing such as wire drawing, dripping leakage, glue dot cavities, glue dot weight change and the like are not easy to occur; meanwhile, the first O-shaped ring 32 improves the sealing performance of the device, gas can be prevented from entering the sealing valve body 30, and the second O-shaped ring 33 can be prevented from entering the glue inlet valve body 401.

In the standby state, the first vent hole 23 is filled with air, the second vent hole 24 is exhausted, the piston 21 is pushed by air pressure to move downwards, and then the ejector pin installed on the piston rod 22 is pushed to move downwards, so that the glue outlet hole of the glue outlet valve body 402 in the base 40 is sealed, and glue cannot be sprayed out.

Wherein, after the valve receives the gluey instruction of spouting in the point: the first vent hole 23 becomes an exhaust hole, the second vent hole 24 becomes an air inlet hole, the piston 21 moves upwards under the push of air pressure below, the piston 21 moves upwards, the ejector pin rises, the glue outlet hole is opened, and the glue is sprayed out under the action of pressure.

Example 2

The utility model provides a biliquid dispensing valve, including the valve gap 10 that sets gradually fixed connection from top to bottom, power valve body 20, sealed valve body 30, base 40, the inside slip of power valve body 20 is provided with piston 21, the symmetry of piston 21 bottom side is provided with two piston rods 22, piston rod 22 downwardly extending extends sealed valve body 30, first air vent 23 and second air vent 24 have been seted up respectively on the power valve body 20 of piston 21 top side and bottom side, and seted up vent groove 31 on sealed valve body 30, vent groove 31 is passed by piston rod 22, still include first O type circle 32 and second O type circle 33 in the piston rod 22 outside, first O type circle 32 and second O type circle 33 set up respectively on vent groove 31 top side and bottom side.

The difference from embodiment 1 is that the dual liquid dispensing valve may further include a plurality of first gaskets 34, and any one of the first gaskets 34 is disposed between the piston rod 22 and the sealing valve body 30 and disposed at the top side and the bottom side of the vent groove 31, respectively.

Wherein, can further avoid the gas that spills in the cylinder to enter into sealed valve body 30 through setting up first packing ring 34, the inconsistent problem of some glue such as wire drawing, drippage, gluey point cavity and gluey point weight change are difficult to appear in the dispensing valve.

Example 3

The difference from embodiment 1 is that the two-fluid dispensing valve may further include: the piston rod assembly comprises a second gasket 41 and a third O-shaped ring 42, wherein the second gasket 41 is sleeved on the outer side of any one piston rod 22 and arranged on the bottom side of the second O-shaped ring 33, and the third O-shaped ring 42 is arranged between the second gasket 41 and the base 40.

The second gasket 41 and the third O-shaped ring 42 are arranged, so that gas can be prevented from entering the base 40 from the sealing valve body 30, and the dispensing valve is not prone to the problems of inconsistent dispensing such as wire drawing, dripping, glue dispensing hole and glue dispensing weight change.

Example 4

The difference with embodiment 1 lies in that, the base 40 can include into gluey valve body 401 and play gluey valve body 402, advances gluey valve body 401 and sealing valve body 30 fixed connection, goes out gluey valve body 402 and sets firmly in advancing gluey valve body 401 bottom side, and with advance to be provided with fourth O type circle 43 between gluey valve body 401.

Wherein, can improve the gas tightness between advancing gluey valve body 401 and the play gluey valve body 402 through setting up fourth O type circle 43, avoid leaking gluey to and gas gets into out gluey valve body 402, influences the glue dripping.

Wherein, the glue inlet valve body 401 is symmetrically provided with a glue inlet and a glue outlet.

Example 5

The difference from embodiment 1 is that the dual fluid dispensing valve may further include an adjusting lever 11, the adjusting lever 11 being screw-mounted on the valve cover 10, extending through the valve cover 10, and sliding through the piston 21, the adjusting lever 11 having a limit step 111 on a top side of the piston 21.

The adjusting rod 11 is installed on the valve cover 10 through a thread, the moving distance of the upper side space of the piston 21 is limited by rotating the limiting step 111 of the adjusting rod 11, the stroke of the piston 21 is further adjusted, and meanwhile, the adjusting rod 11 penetrates through the piston 21 and is in sliding connection with the piston 21, and the coaxial movement of the piston 21 is guaranteed.

Example 6

The difference from embodiment 1 is that the double fluid dispensing valve may further include a fifth O-ring 26, and the fifth O-ring 26 is disposed between the piston 21 and the adjusting lever 11.

In addition, the fifth O-ring 26 prevents gas from entering the lower space from the upper space of the piston 21, thereby improving the airtightness of the piston 21 during adjustment.

Example 7

The difference from the embodiment 1 is that the double-liquid dispensing valve can further comprise a sixth O-ring 12, and the sixth O-ring 12 is arranged between the adjusting rod 11 and the valve cover 10.

The sixth O-ring 12 is provided to prevent gas from leaking out of the adjustment rod 11, thereby ensuring gas tightness between the power valve bodies 20.

Example 8

The difference from the embodiment 1 is that the double-liquid dispensing valve can further comprise a seventh O-ring 13, and the seventh O-ring 13 is arranged between the valve cover 10 and the power valve body 20.

The seventh O-ring 13 can improve the air tightness between the valve cover 10 and the power valve body 20, and ensure the normal operation of the piston 21.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of another like element in an article or device comprising the element.

The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a two liquid dispensing valve, characterized in that, is including valve gap (10), power valve body (20), sealed valve body (30), the base (40) that from top to bottom set gradually fixed connection, the inside slip of power valve body (20) is provided with piston (21), piston (21) bottom side symmetry is provided with two piston rods (22), piston rod (22) downwardly extending passes sealed valve body (30) piston (21) top side and bottom side power valve body (20) are last to have seted up first air vent (23) and second air vent (24) respectively, just sealed valve body (30) are last to have seted up vent groove (31), vent groove (31) quilt piston rod (22) pass still include first O type circle (32) and second O type circle (33) in the piston rod (22) outside, first O type circle (32) and second O type circle (33) set up respectively vent groove (31) top side and bottom side.

2. The dual fluid dispensing valve in accordance with claim 1, further comprising: a plurality of first gaskets (34), any one of the first gaskets (34) is arranged between the piston rod (22) and the sealing valve body (30) and is respectively arranged on the top side and the bottom side of the vent groove (31).

3. The dual fluid dispensing valve in accordance with claim 1, further comprising: the piston rod sealing structure comprises a second gasket (41) and a third O-shaped ring (42), wherein the second gasket (41) is sleeved on the outer side of any one of the piston rods (22) and arranged on the bottom side of the second O-shaped ring (33), and the third O-shaped ring (42) is arranged between the second gasket (41) and the base (40).

4. The double-liquid dispensing valve according to claim 1, wherein the base (40) comprises a glue inlet valve body (401) and a glue outlet valve body (402), the glue inlet valve body (401) is fixedly connected with the sealing valve body (30), the glue outlet valve body (402) is fixedly arranged on the bottom side of the glue inlet valve body (401), and a fourth O-ring (43) is arranged between the glue inlet valve body (401) and the glue outlet valve body.

5. The dual fluid dispensing valve according to claim 1, further comprising an adjustment stem (11), wherein the adjustment stem (11) is threadedly mounted on the valve cover (10), extends through the valve cover (10), and slides through the piston (21), and has a limit step (111) on the adjustment stem (11) on the top side of the piston (21).

6. The double fluid dispensing valve according to claim 5, further comprising a fifth O-ring (26), said fifth O-ring (26) being disposed between said piston (21) and said regulating rod (11).

7. The dual liquid dispensing valve according to claim 5, further comprising a sixth O-ring (12), the sixth O-ring (12) being disposed between the adjustment stem (11) and the valve cover (10).

8. The dual fluid dispensing valve of claim 5, further comprising a seventh O-ring (13), wherein the seventh O-ring (13) is disposed between the valve cover (10) and the power valve body (20).