CN215635252U - Spiral gate valve of high leakproofness - Google Patents

Abstract

The utility model relates to the technical field of gate valves, in particular to a spiral gate valve with high sealing performance. The gate valve comprises a gate valve body and limiting devices, wherein joints are mounted on two sides of the gate valve body, four limiting devices are arranged on the surfaces of the joints, each limiting device comprises a bolt, the bolts are movably connected to the surfaces of the joints, a spring is sleeved on an arc surface of each bolt, two ends of each spring are respectively and movably connected with the corresponding bolt and the corresponding joint, one end of each bolt is fixedly connected with a pressing plate, and a rubber ring is arranged on one side, far away from the gate valve body, of each joint. The problem of the gate valve when using to install, need be at the kneck installation sealing washer, seal up the kneck department, common mounting means, because of the mounted position of sealing washer is located in the middle of pipeline and the gate valve, inconvenient carry on spacingly to the sealing washer, can't guarantee whether qualified to install the leakproofness of back gate valve, leave the hidden danger to the use in later stage.

Description

Spiral gate valve of high leakproofness

Technical Field

The utility model relates to the technical field of gate valves, in particular to a spiral gate valve with high sealing performance.

Background

The gate valve belongs to a common article in life, and the normal connecting pipeline is used for blocking fluid or other substances passing through the pipeline, and is convenient to operate and install, wherein the spiral gate valve is widely used due to fast operation and strong sealing.

When the gate valve is installed in the use, need install the sealing washer at the kneck, seal the kneck department, common mounting means because of the mounted position of sealing washer is located in the middle of pipeline and the gate valve, and is inconvenient to carry on spacingly to the sealing washer, can't guarantee whether qualified to install the leakproofness of back gate valve, leaves the hidden danger to the use in later stage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that in the prior art, the installation position of a sealing ring is located between a pipeline and a gate valve, so that the sealing ring is inconvenient to limit, and provides a spiral gate valve with high sealing performance.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a spiral gate valve of high leakproofness, includes gate valve body and stop device, the joint is all installed to the both sides of gate valve body, the surface that connects is equipped with four stop device, stop device includes the bolt, bolt swing joint is on the surface that connects, the arc surface cover of bolt has the spring, the both ends of spring respectively with bolt and joint swing joint, the one end fixedly connected with clamp plate of bolt, the one side that the gate valve body was kept away from in the joint is equipped with the rubber circle, the arc wall has been seted up to the arc surface of rubber circle, the size and the size looks adaptation of clamp plate of arc wall have played the effect of spacing connecting the surface with the rubber circle with the help of the clamp plate.

Preferably, the arc surface fixedly connected with saw fluted disc of bolt, the tooth's socket has been seted up on the surface that connects, the size of tooth's socket and the size looks adaptation of saw fluted disc through with saw fluted disc and tooth's socket looks meshing, have reached and have carried out spacing effect to the bolt.

Preferably, the surface of the pressing plate is fixedly connected with a protection pad, and the protection pad is uniformly distributed on the surface of the pressing plate, so that the damage to the rubber ring caused by the pressing of the pressing plate is reduced.

Preferably, the one end fixedly connected with handle of bolt, the handle is "U" shape, has reached and has been convenient for adjust the effect to the bolt.

Preferably, the surface of gate valve body is equipped with auxiliary device, auxiliary device includes the arc, arc fixed connection is on the surface of gate valve body, two supports of the equal fixedly connected with in both sides of arc, the other end fixedly connected with rectangular plate of support, the surperficial threaded connection of rectangular plate has the lead screw, the one end fixedly connected with backup pad of lead screw has played spacing effect to the pipeline when the connecting tube.

Preferably, the one end fixedly connected with carousel of lead screw, the carousel is the cross, has played the effect that the operator of being convenient for rotated the lead screw.

Preferably, the surface sliding connection of rectangular plate has two gag lever posts, gag lever post and backup pad fixed connection have reached that the pivoted effect can not take place for spacing backup pad.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. according to the utility model, by arranging the limiting device, before the gate valve is required to be installed, the handle is dragged, the handle drives the sawtooth disc to move by means of the bolt, the sawtooth disc is separated from the tooth groove, so that the bolt extrudes the spring, then the handle is rotated, the handle drives the pressing plate to rotate by means of the bolt, when the pressing plate rotates to the arc-shaped groove on the surface of the bridge rubber ring, the handle is loosened, the bolt drives the pressing plate by means of the spring to limit the rubber ring, along with the movement of the bolt, the sawtooth disc is also meshed with the tooth groove, so that the effect of limiting the rubber ring is achieved, and the effect of protecting the rubber ring is achieved because the protecting pad on the surface of the pressing plate is made of a rubber material.

2. According to the utility model, by arranging the auxiliary device, when the pipeline is installed after the sealing ring is limited, the turntable is rotated, the turntable drives the lead screw to rotate, the lead screw rotates with the rectangular plate by virtue of threads to drive the supporting plate to rotate, so that the groove of the supporting plate is in contact with the surface of the pipeline, the temporary limiting effect on the pipeline is realized, the limiting rod slides with the rectangular plate, the limiting effect on the supporting plate is realized, the rectangular plate is prevented from rotating, the rectangular plate is fixed on the arc-shaped plate on the surface of the gate valve body by virtue of a support, the limiting stability on the pipeline is ensured, by arranging the auxiliary device, the convenience in limiting the pipeline is realized, and the effect of the stability of the connection between the gate valve body and the pipeline is improved.

Drawings

Fig. 1 is a schematic perspective view of a high-sealing spiral gate valve according to the present invention;

FIG. 2 is a schematic view of the lower structure of a high-sealing spiral gate valve according to the present invention;

FIG. 3 is a schematic structural view of the spiral gate valve with high sealing performance shown in FIG. 2A;

fig. 4 is a schematic structural diagram of an auxiliary device of a spiral gate valve with high sealing performance according to the present invention.

Illustration of the drawings: 1. a gate valve body; 2. a joint; 3. a limiting device; 31. a bolt; 32. pressing a plate; 33. a spring; 34. a saw tooth disc; 35. a tooth socket; 36. a protective pad; 37. a handle; 38. a rubber ring; 39. an arc-shaped slot; 4. an auxiliary device; 41. an arc-shaped plate; 42. a support; 43. a rectangular plate; 44. a screw rod; 45. a turntable; 46. a support plate; 47. a limiting rod.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a spiral gate valve of high leakproofness, includes gate valve body 1 and stop device 3, and the joint 2 is all installed to the both sides of gate valve body 1, and the surface that connects 2 is equipped with four stop device 3, and the surface of gate valve body 1 is equipped with auxiliary device 4.

The specific arrangement and function of the limiting means 3 and the auxiliary means 4 will be described in detail below.

In this embodiment: stop device 3 includes bolt 31, bolt 31 swing joint connects the surface of 2, the arc surface cover of bolt 31 has spring 33, the both ends of spring 33 respectively with bolt 31 and joint 2 swing joint, the one end fixedly connected with clamp plate 32 of bolt 31, it is equipped with rubber circle 38 to connect 2 one sides of keeping away from gate valve body 1, arc wall 39 has been seted up to the arc surface of rubber circle 38, the size of arc wall 39 and the size looks adaptation of clamp plate 32, the effect of spacing rubber circle 38 on connecting 2 surfaces with the help of clamp plate 32 has been played.

Specifically, the arc surface fixedly connected with sawtooth disc 34 of bolt 31, the tooth's socket 35 has been seted up on the surface that connects 2, and the size of tooth's socket 35 and the size looks adaptation of sawtooth disc 34 through wanting the meshing with sawtooth disc 34 and tooth's socket 35, have reached and have carried out spacing effect to bolt 31.

Specifically, the surface of the pressing plate 32 is fixedly connected with a protection pad 36, and the protection pad 36 is uniformly distributed on the surface of the pressing plate 32.

In this embodiment: the damage to the rubber ring 38 caused by the pressing of the pressing plate 32 is reduced.

Specifically, one end of the bolt 31 is fixedly connected with a handle 37, and the handle 37 is U-shaped, so that the effect of conveniently adjusting the bolt 31 is achieved.

In this embodiment: auxiliary device 4 includes arc 41, and arc 41 fixed connection is on the surface of gate valve body 1, two supports 42 of the equal fixedly connected with in both sides of arc 41, and support 42's other end fixedly connected with rectangular plate 43, the surperficial threaded connection of rectangular plate 43 has lead screw 44, and the one end fixedly connected with backup pad 46 of lead screw 44 has played spacing effect to the pipeline when the connecting tube.

Specifically, one end of the screw rod 44 is fixedly connected with a turntable 45, and the turntable 45 is in a cross shape.

In this embodiment: this has the effect of facilitating the rotation of the lead screw 44 by the operator.

Specifically, the surface of the rectangular plate 43 is connected with two limiting rods 47 in a sliding manner, and the limiting rods 47 are fixedly connected with the supporting plate 46, so that the effect that the limiting supporting plate 46 cannot rotate is achieved.

The working principle is as follows: by arranging the limiting device 3, before the gate valve needs to be installed, the handle 37 is dragged, the handle 37 drives the sawtooth disc 34 to move by means of the bolt 31, the sawtooth disc 34 is separated from the tooth groove 35, so that the bolt 31 extrudes the spring 33, then the handle 37 is rotated, the handle 37 drives the pressing plate 32 to rotate by means of the bolt 31, when the pressing plate 32 rotates to the arc-shaped groove 39 on the surface of the bridge rubber ring, the handle 37 is loosened, the bolt 31 drives the pressing plate 32 by means of the spring 33 to limit the rubber ring 38, the sawtooth disc 34 is also meshed with the tooth groove 35 along with the movement of the bolt 31, so that the effect of limiting the rubber ring 38 is achieved, as the protective pad 36 on the surface of the pressing plate 32 is made of rubber, the rubber ring 38 is protected, when the pipeline is installed after the limit of the sealing ring is limited, the turntable 45 is rotated, the turntable 45 drives the screw rod 44 to rotate, the screw rod 44 rotates by means of the threads and the rectangular plate 43 to drive the supporting plate 46 to rotate, the recess that makes backup pad 46 and the surface contact of pipeline play and carry out interim spacing effect to the pipeline, and gag lever post 47 slides with rectangular plate 43 to play spacingly to backup pad 46, prevent that rectangular plate 43 from taking place pivoted effect, rectangular plate 43 fixes on the arc 41 on gate valve body 1 surface with the help of support 42, has guaranteed to carry out spacing stability to the pipeline.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (7)

1. The utility model provides a spiral gate valve of high leakproofness, includes gate valve body (1) and stop device (3), its characterized in that: joint (2) are all installed to the both sides of gate valve body (1), the surface that connects (2) is equipped with four stop device (3), stop device (3) are including bolt (31), bolt (31) swing joint is on the surface that connects (2), the arc surface cover of bolt (31) has spring (33), the both ends of spring (33) respectively with bolt (31) and joint (2) swing joint, the one end fixedly connected with clamp plate (32) of bolt (31), one side that connects (2) to keep away from gate valve body (1) is equipped with rubber circle (38), arc wall (39) have been seted up to the arc surface of rubber circle (38), the size of arc wall (39) and the size looks adaptation of clamp plate (32).

2. A high-sealability spiral gate valve according to claim 1, wherein: the arc surface of bolt (31) fixedly connected with saw fluted disc (34), tooth's socket (35) have been seted up on the surface of joint (2), the size of tooth's socket (35) and the size looks adaptation of saw fluted disc (34).

3. A high-sealability spiral gate valve according to claim 1, wherein: the surface of the pressing plate (32) is fixedly connected with a protective pad (36), and the protective pad (36) is uniformly distributed on the surface of the pressing plate (32).

4. A high-sealability spiral gate valve according to claim 1, wherein: one end of the bolt (31) is fixedly connected with a handle (37), and the handle (37) is U-shaped.

5. A high-sealability spiral gate valve according to claim 1, wherein: the surface of gate valve body (1) is equipped with auxiliary device (4), auxiliary device (4) include arc (41), arc (41) fixed connection is on the surface of gate valve body (1), two supports (42) of the equal fixedly connected with in both sides of arc (41), the other end fixedly connected with rectangular plate (43) of support (42), the surface threaded connection of rectangular plate (43) has lead screw (44), the one end fixedly connected with backup pad (46) of lead screw (44).

6. A high-sealability spiral gate valve according to claim 5, wherein: one end fixedly connected with carousel (45) of lead screw (44), carousel (45) are the cross.

7. A high-sealability spiral gate valve according to claim 5, wherein: the surface of the rectangular plate (43) is connected with two limiting rods (47) in a sliding mode, and the limiting rods (47) are fixedly connected with the supporting plate (46).

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