CN214946509U - Gate valve with auxiliary sealing component - Google Patents

Abstract

The utility model relates to a gate valve technical field discloses a gate valve with vice sealing member, and its structure includes the valve body, be provided with through-hole, valve clack and sealed tube on the valve body, the through-hole is located the inside top of valve body, valve clack swing joint is in the inside of through-hole, the sealed tube pass through the rubber circle with the inner wall sealing connection of valve body, the outside of rubber circle is provided with the recess, the inside right-hand member of sealed tube is provided with the gomphosis groove, the inside in gomphosis groove is provided with small-size reset spring and movable ring, small-size reset spring's one end fixed connection be in the inner wall in gomphosis groove, movable ring swing joint is in the inside in gomphosis groove, be provided with arc slope and rubber pad on the movable ring. The utility model discloses it is not hard up to have avoided the valve clack to use for a long time to lead to and the sealed tube between produce the phenomenon in gap, improved the sealed effect of gate valve in the use, reduced the probability that the gate valve appears leaking when using.

Description

Gate valve with auxiliary sealing component

Technical Field

The utility model relates to a gate valve technical field specifically is a gate valve with vice sealing member.

Background

According to patent 201920136974.0, a gate valve with a secondary sealing member comprises a valve body and a valve cover, wherein a valve rod and a valve clack are arranged in the valve body, the valve rod can drive the valve clack to reciprocate along the axial direction of the valve rod, a flow passage is arranged in the valve body, the flow passage comprises a flow inlet passage and a flow outlet passage, a secondary sealing member is arranged in the flow inlet passage, the secondary sealing member comprises a sealing pipe which is coaxial with the flow inlet passage, sealing rings are arranged on the outer walls of the front end and the rear end of the sealing pipe, and each sealing ring protrudes out of the outer wall of the sealing pipe and abuts against the inner wall of the flow inlet passage to form damping fit; the inner wall of the flow inlet channel faces the sealing pipe and is provided with a limiting ring at the position corresponding to the rear end of each sealing ring, and the flow outlet channel is internally provided with a spiral convex rib which is distributed spirally and is of a hollow structure with two open ends. The utility model has the advantages of it is following and effect: the auxiliary sealing component is added on the basis of the original structure of the gate valve, and the sealing performance of the gate valve is enhanced through double sealing.

Currently, existing gate valves with secondary sealing members suffer from some drawbacks, such as; the existing gate valve clack with the auxiliary sealing component is easy to loosen after being used for a long time, so that a gap is generated between the existing gate valve clack and a sealing pipe, the sealing effect of the gate valve in the using process is reduced, and the probability of water leakage of the gate valve in the using process is improved. For this reason, new technical solutions need to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gate valve with vice sealing member has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gate valve with vice sealing member, includes the valve body, be provided with through-hole, valve clack and sealed tube on the valve body, the through-hole is located the inside top of valve body, valve clack swing joint is in the inside of through-hole, the sealed tube pass through the rubber circle with the inner wall sealing connection of valve body, the outside of rubber circle is provided with the recess, the inside right-hand member of sealed tube is provided with the gomphosis groove, the inside in gomphosis groove is provided with small-size reset spring and activity circle, small-size reset spring's one end fixed connection be in the inner wall in gomphosis groove, activity circle swing joint is in the inside in gomphosis groove, be provided with arc slope and rubber pad on the activity circle, the arc slope is located the right side of activity circle upper end, the rubber pad fixed connection be in the right-hand member of activity circle.

In a preferred embodiment of the present invention, the movable ring has an outer diameter corresponding to an inner diameter of the fitting groove, and the small return springs are uniformly distributed in the fitting groove.

As an optimal implementation mode of the utility model, the right-hand member of activity circle is supported through the rubber pad and is put the surface of valve clack, the left end of activity circle is supported and is put small-size reset spring's right-hand member.

As a preferred embodiment of the present invention, the groove is provided with two sets, and the symmetry is in the outside both sides of the rubber ring.

As a preferred embodiment of the present invention, the rubber ring is sleeved outside the sealing tube, and is fixedly connected to the outside of the sealing tube, and the thickness of the rubber ring is 2 mm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a combination of rubber circle, recess, gomphosis groove, small-size reset spring, activity circle, arc slope and rubber pad, when the gate valve (concrete structure has clearly and definitely described in the contrast file of background art) uses, the effectual valve clack of having avoided uses for a long time and appears becoming flexible to lead to and the sealed phenomenon in gap between the pipe, improved the sealed effect of gate valve in the use, reduced the gate valve probability that leaks appear when using.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a partial cross-sectional view of a gate valve having a secondary sealing member in accordance with the present invention;

FIG. 2 is a schematic view of a sealing pipe structure of a gate valve with a secondary sealing member according to the present invention;

fig. 3 is a side view of a seal pipe of a gate valve having a secondary seal member according to the present invention.

In the figure: the valve comprises a valve body 1, a through hole 2, a valve clack 3, a sealing pipe 4, a rubber ring 5, a groove 6, an embedding groove 7, a small-sized return spring 8, a movable ring 9, an arc-shaped slope 10 and a rubber pad 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

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, and are only for convenience of description and simplicity of 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 therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. To the ordinary technical personnel in this field, can understand the specific meaning in the utility model of above-mentioned term with the concrete condition, the utility model provides an electrical apparatus's model is the reference only, can be through changing different models electrical apparatus that the function is the same according to the actual use condition.

Referring to fig. 1-3, the present invention provides a technical solution: a gate valve with an auxiliary sealing component comprises a valve body 1, wherein a through hole 2, a valve clack 3 and a sealing pipe 4 are arranged on the valve body 1, the through hole 2 is positioned above the inside of the valve body 1, the valve clack 3 is movably connected inside the through hole 2, the sealing pipe 4 is in sealing connection with the inner wall of the valve body 1 through a rubber ring 5, a groove 6 is arranged outside the rubber ring 5, an embedding groove 7 is arranged at the right end of the inside of the sealing pipe 4, a small reset spring 8 and a movable ring 9 are arranged inside the embedding groove 7, one end of the small reset spring 8 is fixedly connected to the inner wall of the embedding groove 7, the movable ring 9 is movably connected inside the embedding groove 7, an arc-shaped slope 10 and a rubber pad 11 are arranged on the movable ring 9, the arc-shaped slope 10 is positioned at the right side of the upper end of the movable ring 9, the rubber pad 11 is fixedly connected to the right end of the movable ring 9, in the embodiment, as shown in fig. 1, 2 and 3, through the combination of the rubber ring 5, the groove 6, the embedding groove 7, the small return spring 8, the movable ring 9, the arc-shaped slope 10 and the rubber pad 11, when the gate valve (the specific structure is described in the background art reference), the sealing tube 4 is firmly attached to the inner wall of the valve body 1 by the rubber ring 5, and the right end of the movable ring 9 is propped against the outer surface of the valve clack 3, at this time, the movable ring 9 can generate extrusion force on the small-sized return spring 8, at this time, the small-sized return spring 8 can generate rebound force on the movable ring 9, so that the movable ring 9 is always propped against the outside of the valve clack 3, thereby effectively avoiding the valve clack 3 from loosening after long-term use, thereby leading to the phenomenon that produces the gap between 4 with the sealing tube, having improved the sealed effect of gate valve in the use, reduced the probability that the gate valve appears leaking when using.

In this embodiment, referring to fig. 3, the outer diameter of the movable ring 9 is matched with the inner diameter of the fitting groove 7, and the small return springs 8 are uniformly distributed in the fitting groove 7, so that the convenience of assembling and disassembling the movable ring 9 and the fitting groove 7 can be effectively improved.

In this embodiment, referring to fig. 1 and 2, the right end of the movable ring 9 abuts against the outer surface of the valve flap 3 through the rubber pad 11, and the left end of the movable ring 9 abuts against the right end of the small return spring 8, so that the valve flap 3 can be effectively prevented from being loosened after long-term use, and a gap is formed between the movable ring 9 and the valve flap.

In this embodiment, referring to fig. 2, two groups of grooves 6 are symmetrically disposed on two sides of the outer portion of the rubber ring 5, and the grooves are used for effectively improving the sealing effect between the rubber ring 5 and the inner wall of the valve body 1.

In this embodiment, referring to fig. 2, the rubber ring 5 is sleeved outside the sealing tube 4 and is fixedly connected to the outside of the sealing tube 4, and the thickness of the rubber ring 5 is 2mm, so that the sealing effect between the sealing tube 4 and the valve body 1 can be effectively improved.

It should be noted that, the gate valve with the auxiliary sealing member of the present invention includes a valve body 1, a through hole 2, a valve flap 3, a sealing tube 4, a rubber ring 5, a groove 6, a fitting groove 7, a small-sized return spring 8, a movable ring 9, an arc-shaped slope 10, a rubber pad 11, and other components that are all universal standard components or known by those skilled in the art, and the structure and principle thereof are known by the technical manual or by the conventional experimental method, in the idle position of the device, all the electric devices, which refer to the power element, the electric devices and the adaptive monitoring computer, are connected to the power source through wires, and the specific connection means should refer to the following working principle in which the electric devices complete the electrical connection in sequence, and the detailed connection means, which are known in the art, and the following main description of the working principle and process, will not describe the electrical control, when the gate valve with the auxiliary sealing component is used, through the combination of the rubber ring 5, the groove 6, the embedding groove 7, the small-sized return spring 8, the movable ring 9, the arc-shaped slope 10 and the rubber pad 11, when the gate valve (the specific structure is described in the background art reference), the sealing tube 4 is firmly attached to the inner wall of the valve body 1 by the rubber ring 5, and the right end of the movable ring 9 is propped against the outer surface of the valve clack 3, at this time, the movable ring 9 can generate extrusion force on the small-sized return spring 8, at this time, the small-sized return spring 8 can generate rebound force on the movable ring 9, so that the movable ring 9 is always propped against the outside of the valve clack 3, thereby effectively avoiding the valve clack 3 from loosening after long-term use, thereby leading to the phenomenon that produces the gap between 4 with the sealing tube, having improved the sealed effect of gate valve in the use, reduced the probability that the gate valve appears leaking when using.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A gate valve with a secondary sealing member, comprising a valve body (1), characterized in that: the valve body (1) is provided with a through hole (2), a valve clack (3) and a sealing pipe (4), the through hole (2) is positioned above the inside of the valve body (1), the valve clack (3) is movably connected inside the through hole (2), the sealing pipe (4) is in sealing connection with the inner wall of the valve body (1) through a rubber ring (5), a groove (6) is arranged outside the rubber ring (5), an embedding groove (7) is arranged at the right end inside the sealing pipe (4), a small reset spring (8) and a movable ring (9) are arranged inside the embedding groove (7), one end of the small reset spring (8) is fixedly connected with the inner wall of the embedding groove (7), the movable ring (9) is movably connected inside the embedding groove (7), an arc-shaped slope (10) and a rubber pad (11) are arranged on the movable ring (9), the arc-shaped slope (10) is located on the right side of the upper end of the movable ring (9), and the rubber pad (11) is fixedly connected to the right end of the movable ring (9).

2. A gate valve having a secondary sealing member according to claim 1, wherein: the outer diameter of the movable ring (9) is matched with the inner diameter of the embedding groove (7), and the small return springs (8) are uniformly distributed in the embedding groove (7).

3. A gate valve having a secondary sealing member according to claim 1, wherein: the right end of the movable ring (9) is abutted against the outer surface of the valve clack (3) through a rubber pad (11), and the left end of the movable ring (9) is abutted against the right end of the small-sized return spring (8).

4. A gate valve having a secondary sealing member according to claim 1, wherein: the grooves (6) are arranged in two groups and are symmetrically arranged on two sides of the outer portion of the rubber ring (5).

5. A gate valve having a secondary sealing member according to claim 1, wherein: the rubber ring (5) is sleeved outside the sealing pipe (4) and fixedly connected with the outside of the sealing pipe (4), and the thickness of the rubber ring (5) is 2 mm.

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