CN217830609U

CN217830609U - Adjustable back-suction valve

Info

Publication number: CN217830609U
Application number: CN202221930778.9U
Authority: CN
Inventors: 王辉
Original assignee: Shenzhen Jinhuangshang Hot Melt Adhesive Spraying Equipment Co ltd
Current assignee: Shenzhen Jinhuangshang Hot Melt Adhesive Spraying Equipment Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-18
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses an anti-valve of taking out with adjustable, including last valve body, go up the first cap that compresses tightly of valve body below surface through fixedly connected with, first compress tightly the first packing ring of cap bottom fixedly connected with, first packing ring below surface fixedly connected with airtight seal and airtight seal opposite side fixedly connected with seal cover, well valve body bottom fixedly connected with fourth rubber seal spare, fourth rubber seal below surface fixedly connected with second packing ring and second packing ring opposite side fixedly connected with second compress tightly the cap, well valve body below surface through sliding connection has lower valve body, valve body central point fixedly connected with second rubber seal spare down, it has the piston disc to go up valve body inner wall surface through sliding connection, piston disc threaded connection has the locking rubber needle pole. The utility model discloses in, avoid causing inside gaseous liquid to spill, reduce cost when having guaranteed the productivity effect satisfies the user demand, has improved the availability factor of the control valve of taking out instead.

Description

Adjustable reverse pumping valve

Technical Field

The utility model relates to an anti-valve technical field that takes out especially relates to anti-valve of taking out with adjustable.

Background

The hot melt adhesive is a plastic adhesive, the physical state of which changes along with the change of temperature within a certain temperature range, and the chemical property of which is unchanged, is nontoxic and tasteless, and belongs to an environment-friendly chemical product. The product is solid, so the product is convenient to package, transport and store, and has no solvent, pollution or toxicity; and the production process is simple, the added value is high, the bonding strength is high, the speed is high, and the like, so that the method is favored, and a back-pumping control valve is required in the production process.

The existing reverse pumping control valve has poor sealing performance, so that internal gas and liquid leak out, the production benefit is reduced, the cost is increased, the use requirement cannot be met, and the use efficiency of the reverse pumping control valve is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable reverse pumping valve.

In order to realize the purpose, the utility model adopts the following technical scheme: the adjustable reverse pumping valve comprises an upper valve body, wherein a first pressing cap is fixedly connected to the surface below the upper valve body in a penetrating mode, a first gasket is fixedly connected to the bottom of the first pressing cap, an airtight sealing piece is fixedly connected to the surface below the first gasket, a sealing sleeve is fixedly connected to the other side of the airtight sealing piece, a middle valve body is fixedly connected to the surface below the sealing sleeve in a penetrating mode, a fourth rubber sealing piece is fixedly connected to the bottom of the middle valve body, a second gasket is fixedly connected to the surface below the fourth rubber sealing piece, a second pressing cap is fixedly connected to the other side of the second gasket, a lower valve body is slidably connected to the surface below the middle valve body in a penetrating mode, a second rubber sealing piece is fixedly connected to the central position of the lower valve body, a piston disc is slidably connected to the surface of the inner wall of the upper valve body in a penetrating mode, and a rubber locking needle rod is connected to the surface below the piston disc in a threaded mode.

As a further description of the above technical solution:

the rubber locking needle rod is connected with the middle valve body and the lower valve body in a sliding mode in a penetrating mode.

As a further description of the above technical solution:

the air-tight sealing piece is connected with the rubber locking needle rod in a sliding manner.

As a further description of the above technical solution:

and the bottom of the lower valve body is fixedly connected with a third rubber sealing element in a penetrating manner.

As a further description of the above technical solution:

and the positions, close to the bottom, of the peripheral surface of the sealing sleeve are provided with uniformly distributed adjusting holes.

As a further description of the above technical solution:

and a first rubber sealing element is fixedly connected to the surface above the lower valve body.

As a further description of the above technical solution:

and the first pressing cap is in sliding connection with the rubber locking needle rod.

The utility model discloses following beneficial effect has:

the utility model discloses in, at first including fourth gluey sealing member, well valve body bottom fixedly connected with fourth gluey sealing member, fourth gluey sealing member below surface fixedly connected with second packing ring and second packing ring opposite side fixedly connected with second compress tightly the cap, well valve body below surface runs through sliding connection has lower valve body, fourth gluey sealing member compresses tightly the cap through the second packing ring with the second and links to each other for the hot melt adhesive can not spill between the lower valve body from the middle valve body inflow, go up the first gland that compresses tightly of valve body below surface run through fixedly connected with, first gland bottom fixedly connected with first packing ring, first packing ring below surface fixedly connected with airtight seal and airtight seal opposite side fixedly connected with airtight seal, the surface runs through fixedly connected with well valve body below the sealing sleeve, lower valve body central point fixedly connected with second glues the sealing member, the sealing cover of setting can prevent that the hot melt adhesive from flowing into the upper valve body, airtight seal has guaranteed to avoid avoiding the interior gas of valve to spill, the while having guaranteed production reduce cost, satisfy the user demand, the availability factor of reverse pumping control valve is improved, the inner wall surface of upper valve body runs through sliding connection has the sliding connection piston dish, piston disc constitutes convenient piston lock, the needle bar part is convenient for use.

Drawings

Fig. 1 is a perspective view of an adjustable back suction valve according to the present invention;

illustration of the drawings:

1. an upper valve body; 2. a first compression cap; 3. a first gasket; 4. an airtight seal; 5. a sealing sleeve; 6. a first glue seal; 7. a second glue seal; 8. a third glue seal; 9. a lower valve body; 10. a second compression cap; 11. a second gasket; 12. a fourth glue seal; 13. a middle valve body; 14. a piston disc; 15. locking the rubber needle rod; 16. and adjusting the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, 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 of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1, the present invention provides an embodiment: the adjustable reverse pumping valve comprises an upper valve body 1, a first compression cap 2 fixedly connected with the lower surface of the upper valve body 1 in a penetrating mode is arranged on the lower surface of the upper valve body 1, a first gasket 3 is fixedly connected to the bottom of the first compression cap 2, an airtight sealing part 4 is fixedly connected to the lower surface of the first gasket 3, a sealing sleeve 5 is fixedly connected to the other side of the airtight sealing part 4, the arranged sealing sleeve 5 can prevent hot melt adhesive from flowing into the upper valve body 1, the airtight sealing part 4 can prevent gas in the valve from leaking, production benefits are guaranteed, meanwhile, cost is reduced, using requirements are met, using efficiency of the reverse pumping control valve is improved, a middle valve body 13 fixedly connected with the lower surface of the sealing sleeve 5 in a penetrating mode is fixedly connected with the lower surface of the middle valve body 13, a fourth rubber sealing part 12 is fixedly connected to the lower surface of the fourth rubber sealing part 12, a second gasket 11 is fixedly connected to the lower surface of the second gasket 11, a second compression cap 10 is fixedly connected to the other side of the second gasket 11, a lower valve body 9 is fixedly connected to the central position of the lower valve body 9, a piston disc 14 is fixedly connected with a piston disc 14, a core lock is connected to the inner wall of the upper valve body 1, and a piston rod 15 is connected to a sliding cylinder.

Run through sliding connection between lock gluey needle bar 15 and well valve body 13 and the lower valve body 9, sliding connection between airtight seal 4 and the lock gluey needle bar 15, fixedly connected with third gluey sealing member 8 runs through to lower valve body 9 bottom, seal cover 5 all around the surface be close to the bottom position and be provided with evenly distributed's regulation hole 16, through inserting thin pole in the regulation hole 16, make lock gluey needle bar 15 rotate and to adjust the stroke of lock gluey needle bar 15, because lock gluey needle bar 15 and piston disc 14 threaded connection, make piston disc 14 along last valve body 1 inner wall back and forth movement from top to bottom.

The working principle is as follows: run through sliding connection between lock gluey needle bar 15 and well valve body 13 and the lower valve body 9, at first insert lock gluey needle bar 15 perpendicularly from lower valve body 9 bottom during the installation, sliding connection between lower valve body 9 and the well valve body 13, insert well valve body 13 bottom perpendicularly down inside the valve body 9 and pass lock gluey needle bar 15, threaded connection between lock gluey needle bar 15 and the piston dish 14, it is fixed between well valve body 13 and the last valve body 1 afterwards, it makes gluey needle bar rotate to be close to the regulation hole 16 of bottom through the seal cover 5 surface during the use, drive piston dish 14 along the up-and-down back and forth motion of the upper valve body 1 inner wall.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. Adjustable reverse pumping valve, which comprises an upper valve body (1) and is characterized in that: the sealing device is characterized in that the lower surface of the upper valve body (1) is fixedly connected with a first pressing cap (2) in a penetrating mode, the bottom of the first pressing cap (2) is fixedly connected with a first gasket (3), the lower surface of the first gasket (3) is fixedly connected with an air-tight sealing piece (4) and the other side of the air-tight sealing piece (4) is fixedly connected with a sealing sleeve (5), the lower surface of the sealing sleeve (5) is fixedly connected with a middle valve body (13) in a penetrating mode, the bottom of the middle valve body (13) is fixedly connected with a fourth rubber sealing piece (12), the lower surface of the fourth rubber sealing piece (12) is fixedly connected with a second gasket (11) and the other side of the second gasket (11) is fixedly connected with a second pressing cap (10), the lower surface of the middle valve body (13) is connected with a lower valve body (9) in a penetrating mode, the central position of the lower valve body (9) is fixedly connected with a second rubber sealing piece (7), the inner wall surface of the upper valve body (1) is connected with a piston disc (14) in a penetrating mode, and the piston disc (14) is connected with a locking rubber needle rod (15) in a threaded mode.

2. The adjustable suck-back valve of claim 1, wherein: the glue locking needle rod (15) is connected with the middle valve body (13) and the lower valve body (9) in a penetrating and sliding mode.

3. The adjustable backdraft valve according to claim 1, wherein: the air-tight sealing piece (4) is connected with the glue locking needle rod (15) in a sliding way.

4. The adjustable suck-back valve of claim 1, wherein: and the bottom of the lower valve body (9) is fixedly connected with a third rubber sealing element (8) in a penetrating way.

5. The adjustable backdraft valve according to claim 1, wherein: and the positions, close to the bottom, of the peripheral surfaces of the sealing sleeve (5) are provided with uniformly distributed adjusting holes (16).

6. The adjustable backdraft valve according to claim 1, wherein: and a first rubber sealing element (6) is fixedly connected to the upper surface of the lower valve body (9).

7. The adjustable suck-back valve of claim 1, wherein: the first pressing cap (2) is in sliding connection with the glue locking needle rod (15).