CN212338371U

CN212338371U - Gate valve capable of being locked

Info

Publication number: CN212338371U
Application number: CN202020691457.2U
Authority: CN
Inventors: 龙绍伦
Original assignee: Chongqing Tongjiang Civil Air Defense Engineering Equipment Co ltd
Current assignee: Chongqing Tongjiang Civil Air Defense Engineering Equipment Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-01-12
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a gate valve that can lock, change casing, protective sheath, second grade including tapered end, one-level and change casing, sealed rubber ring, locking pipe, communicating pipe, joint, hold power post, locking lever, spacing head, buffer plate, lock core, thrust pad and regulator. The utility model has the advantages that: the protective sheath is round mouthful cover form fixed connection on the lateral wall that the casing was changeed to the one-level, make seam crossing have higher leakproofness, sealed rubber ring fixed connection changes on the junction lateral wall of casing and locking tube is changeed to the second grade, protect inside locking machine to avoid the erosion of external steam and lead to the corrosion, hold the inside of power post setting at the device, improve the inseparable degree of locking, buffer plate fixed connection changes between the casing inner wall to the outer wall both sides of spacing head and one-level, the impact of inseparable degree is connected to all the other positions to the vibration that produces during the buffering locking, thrust pad fixed connection is on the inner wall of communicating pipe, do not produce destruction to valve body itself when guaranteeing that locking work normally goes on.

Description

Gate valve capable of being locked

Technical Field

The utility model relates to a gate valve specifically is a gate valve that can lock, belongs to valve technical field.

Background

The most locking mechanical system of gate valve that uses at present all is very simple and easy, and the locking mode is mostly the locking of screwing, and the sealed degree of this kind of mode is lower, can not satisfy complicated service environment, still has the lower problem of life, consequently needs a gate valve that can lock.

The existing gate valve is simple in structure, complex service environments cannot be met, one of the existing gate valve is simple, the sealing performance of a seam is not enough, the rotatable part cannot be guaranteed to have high flexibility, the internal locking machine is not protected from being corroded by external water vapor and rusted, the service life of the device is prolonged, the third step is realized, the transformation from a traditional locking mode to a force-accumulating one-time locking mode is not realized, the tightness degree of locking is improved, the fourth step is realized, the impact of vibration generated during buffer locking on the tightness degree of connection of other parts, the fifth step is realized, and the valve body is not damaged when the normal operation of locking is not guaranteed.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a lockable gate valve for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a lockable gate valve comprises a lock head, a first-stage converter shell, a protective sleeve, a second-stage converter shell, a sealing rubber ring, a locking pipe, a communicating pipe, a joint, a force storage column, a locking rod, a limiting head, a buffer sheet, a lock core, a thrust pad and a regulator; the lock head is arranged at the top end of the device, the bottom of the lock head is connected with the center of the first-stage rotating shell in an inserting manner, the protective sleeve is fixedly connected on the outer side wall of the first-stage rotating shell, the second-stage rotating shell is fixedly connected between the first-stage rotating shell and the locking pipe downwards along the center of the first-stage rotating shell, the outer side of the joint of the second-stage rotating shell and the locking pipe is connected with the sealing rubber ring in an adhering manner, the communicating pipe is fixedly connected at the bottom of the locking pipe in a vertical manner, the outer walls of the left side and the right side of the communicating pipe are fixedly connected with joints, the power storage column is arranged in the device, the bottom of the lock head is fixedly connected with the locking rod under the center, the limiting head is fixedly connected at the outer side of the power storage column, the buffer sheets are fixedly connected between the two sides of the outer wall of the limiting head and the inner wall, the thrust pad is downward along the locking rod straight line and is fixedly connected to the inner wall of the communicating pipe, and the regulator is arranged in a matching mode relative to the lock head and is in rotating connection with the lock head.

Preferably, in order to make seam crossing have higher leakproofness, guarantee that rotatable position has higher flexibility ratio, the protective sheath is made by rubber materials, is round mouth cover form fixed connection on the lateral wall of casing is changeed to the one-level, and protective sheath bottom edge inwards extends and the casing inner wall is changeed to the one-level closely laminates, and the top is equipped with circular-arc recess with the junction of tapered end.

Preferably, in order to protect inside lock machine to avoid the erosion of external steam and lead to the corrosion, improve the life of device, sealed rubber ring is the ring form by strip rubber ring and encircles and make, fixed connection on the junction lateral wall of second grade commentaries on classics casing and locking pipe, and sealed rubber ring center department inwards is equipped with right angle form recess according to the dismouting seam.

Preferably, in order to realize the transformation from the traditional locking mode to the force accumulation one-time locking mode and improve the locking tightness, the force accumulation column is supported by a rubber column with high elastic energy, the side surface is internally communicated with a through hole with a two-layer structure and is arranged in the device, the center of the lock head is right below, and the bottom of the lock head is fixedly connected with the center of the top surface of the locking rod.

Preferably, in order to buffer the impact of vibration generated during locking on the connection tightness degree of other parts, the buffer sheet is made of stainless steel materials and is fixedly connected between two sides of the outer wall of the limiting head and the inner wall of the first-stage rotating machine shell, the top of the buffer sheet is provided with a slender bulge which is inserted into a structural seam between the first-stage rotating machine shell and the limiting head, and the bottom of the buffer sheet is clamped in the inner wall of the second-stage rotating machine shell in a cone-angle shape.

Preferably, in order to ensure that the locking operation is normally carried out and the valve body is not damaged, the thrust pad is linearly downward along the locking rod and is fixedly connected to the inner wall of the communicating pipe, a square bulge is arranged at the center of the thrust pad and is matched with the head of the locking rod in shape, and two sides of the thrust pad are linearly and fixedly connected to the inside of the communicating pipe.

The utility model has the advantages that: the lockable gate valve has reasonable design, the protective sleeve is made of rubber materials and fixedly connected on the outer side wall of the first-stage rotating machine shell in a round sleeve shape, the edge of the bottom of the protective sleeve extends inwards to be tightly attached to the inner wall of the first-stage rotating machine shell, the joint of the top and the lock head is provided with the circular arc-shaped groove, so that the seam has higher sealing performance, the rotatable part is ensured to have higher flexibility, the sealing rubber ring is made by surrounding the strip-shaped rubber ring in a circular ring shape and is fixedly connected on the outer side wall of the joint of the second-stage rotating machine shell and the locking pipe, the center of the sealing rubber ring is internally provided with the right-angle-shaped groove according to the dismounting seam, the internal lock machine is protected from being corroded by external water vapor to cause corrosion, the service life of the device is prolonged, the force storage column is supported by the rubber column with high elasticity, the side surface is internally communicated with, the bottom is fixed connection with locking lever top surface center, the realization is by traditional locking mode to the transformation of the locking mode of holding power once, improve the inseparable degree of locking, the buffer plate is made by stainless steel material, fixed connection is between the outer wall both sides of spacing head and the first-order changes the casing inner wall, the top is equipped with long and thin protruding grafting in the structure seam that the first-order changes casing and spacing head to link to each other, the bottom is cone angle form joint in second-order changes the casing inner wall, the impact of inseparable degree is connected to all the other positions to the vibration that produces during the buffering locking, the thrust pad is downward along the locking lever straight line, fixed connection is on the inner wall of communicating pipe, and thrust pad center department is equipped with square bulge, mutually support with locking lever pole head shape, both sides are linear fixed connection inside the communicating pipe, do not produce the destruction to.

Drawings

FIG. 1 is a schematic view of the external overall structure of the present invention;

fig. 2 is the schematic view of the cross-sectional internal structure of the present invention.

In the figure: 1. tapered end, 2, first grade change casing, 3, protective sheath, 4, second grade change casing, 5, sealing rubber ring, 6, locking pipe, 7, communicating pipe, 8, connect, 9, hold power post, 10, locking lever, 11, spacing head, 12, buffer chip, 13, lock core, 14, thrust pad and 15, regulator.

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. 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.

Referring to fig. 1-2, a lockable gate valve includes a lock head 1, a first-stage converter casing 2, a protective sleeve 3, a second-stage converter casing 4, a sealing rubber ring 5, a locking pipe 6, a communicating pipe 7, a joint 8, a force storage column 9, a locking rod 10, a stopper 11, a buffer plate 12, a lock cylinder 13, a thrust pad 14, and a regulator 15; the lock head 1 is arranged at the top end of the device, the bottom of the lock head is connected with the center of the first-level rotating casing 2 in an inserting manner, the protective sleeve 3 is fixedly connected on the outer side wall of the first-level rotating casing 2, the second-level rotating casing 4 is fixedly connected between the first-level rotating casing 2 and the locking pipe 6 downwards along the center of the first-level rotating casing 2, the outer side of the joint of the second-level rotating casing 4 and the locking pipe 6 is connected with the sealing rubber ring 5 in a gluing manner, the communicating pipe 7 is fixedly connected at the bottom of the locking pipe 6 in a vertical manner, the outer walls of the left side and the right side of the communicating pipe 7 are fixedly connected with the joints 8, the force storage column 9 is arranged in the device, the bottom of the lock head 1 is fixedly connected with the locking rod 10 under the center, the limiting head 11 is fixedly connected at the outer side of the force storage column 9, the buffer sheets 12 are fixedly connected between the two sides, and the inner wall is connected with the locking rod 10 in a relative sliding manner, the thrust pad 14 is downwards linearly along the locking rod 10 and is fixedly connected to the inner wall of the communicating pipe 7, and the regulator 15 is arranged in a relative matching manner with the lock head 1 and is rotationally connected with the lock head 1.

The protective sleeve is made of rubber materials and fixedly connected to the outer side wall of the first-level rotating casing 2 in a round sleeve shape, the edge of the bottom of the protective sleeve 3 extends inwards to be tightly attached to the inner wall of the first-level rotating casing 2, an arc-shaped groove is formed in the joint of the top and the lock head 1, so that the joint has high sealing performance, high flexibility of a rotatable part is guaranteed, the sealing rubber ring 5 is made of strip-shaped rubber rings in a circular ring shape and is fixedly connected to the outer side wall of the joint of the second-level rotating casing 4 and the locking pipe 6, a right-angle groove is formed in the center of the sealing rubber ring 5 according to a dismounting seam, the internal locking machine is protected from being corroded by external water vapor to cause corrosion, the service life of the device is prolonged, the power storage column 9 is supported by rubber columns with high elasticity, two-layer structure through holes are formed in the inward communication of the side surfaces and are, the bottom of the buffer piece 12 is fixedly connected with the center of the top surface of the locking rod 10, so that the conversion from the traditional locking mode to the force accumulation one-time locking mode is realized, the locking tightness is improved, the buffer piece 12 is made of stainless steel materials and is fixedly connected between the two sides of the outer wall of the limiting head 11 and the inner wall of the first-level rotating casing 2, the top of the buffer piece is provided with a slender bulge which is inserted into a structural seam connecting the first-level rotating casing 2 and the limiting head 11, the bottom of the second-level converter shell 4 is clamped in the inner wall of the second-level converter shell in a taper angle shape, the impact of vibration generated during locking on the connection tightness degree of other parts is buffered, the thrust pad 14 is downwards linearly along the locking rod 10 and fixedly connected on the inner wall of the communicating pipe 7, a square bulge is arranged at the center of the thrust pad 14, the shape of the head of the locking rod 10 is matched with that of the head, two sides of the locking rod are fixedly connected inside the communicating pipe 7 in a straight line shape, and the valve body is not damaged while the normal locking operation is ensured.

The working principle is as follows: when the lockable gate valve is used, firstly, a notch at the top of the regulator 15 is aligned with the lock head 1 and pressed down, the lock head 1 presses the power storage column 9 in the first-stage rotating machine shell 2 downwards, at the moment, the regulator 15 is rotated, the power storage column 9 starts to press power storage and generates displacement downwards, when the downward pressing displacement of the side wall of the power storage column 9 is large enough, the transverse limitation of the limiting head is removed, the power storage column 9 is loosened to pop the locking rod 10 downwards, the head of the locking rod 10 is bitten by the thrust pad 14, the valve body can be locked, and if the locking is to be removed, the regulator 15 is rotated reversely.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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

1. The utility model provides a gate valve that can lock which characterized in that: the anti-theft lock comprises a lock head (1), a primary converter shell (2), a protective sleeve (3), a secondary converter shell (4), a sealing rubber ring (5), a locking pipe (6), a communicating pipe (7), a joint (8), a power storage column (9), a locking rod (10), a limiting head (11), a buffer sheet (12), a lock cylinder (13), a thrust pad (14) and a regulator (15); tapered end (1) sets up on the top of device, and bottom and one-level are changeed casing (2) center and are interlude form and be connected, protective sheath (3) fixed connection is on the lateral wall that casing (2) was changeed to the one-level, casing (4) is changeed along one-level casing (2) center fixed connection downwards between casing (2) and locking pipe (6) are changeed to the second grade, and the second grade changes casing (4) and the outside of the junction of locking pipe (6) is glued and is had sealed rubber ring (5), communicating pipe (7) are perpendicular form fixed connection in the bottom of locking pipe (6), and fixedly connected with joint (8) on the left and right sides outer wall of communicating pipe (7), hold power post (9) and set up in the inside of device, under the center of tapered end (1), bottom and locking lever (10) are fixed connection, spacing head (11) fixed connection is in the outside of holding power post (9), and fixedly connected with buffer plate (12) between the outer wall both sides of spacing head (11) and one-level commentaries on classics casing (2) inner wall, lock core (13) set up in the inside of second grade commentaries on classics casing (4), and its inner wall is relative sliding connection with locking lever (10), thrust pad (14) are downward along locking lever (10) straight line, fixed connection on the inner wall of communicating pipe (7), regulator (15) and tapered end (1) cooperate the setting relatively, are the rotation with tapered end (1) and are connected.

2. The lockable gate valve of claim 1, further comprising: protective sheath (3) are made by rubber materials, are round mouth cover form fixed connection on the lateral wall that casing (2) were changeed to the one-level, and protective sheath (3) bottom edge inwards extend and casing (2) inner wall is changeed to the one-level and closely laminate, and the junction of top and tapered end (1) is equipped with circular-arc recess.

3. The lockable gate valve of claim 1, further comprising: sealing rubber ring (5) are the ring form by the strip rubber circle and encircle and make, fixed connection is on the junction lateral wall of second grade commentaries on classics casing (4) and locking pipe (6), and sealing rubber ring (5) center department inwards is equipped with right angle form recess according to the dismouting seam.

4. The lockable gate valve of claim 1, further comprising: the power storage column (9) is supported by a rubber column with high elastic performance, the side surface is inwards communicated with a through hole with a two-layer structure, the power storage column is arranged in the device, and the bottom of the power storage column is fixedly connected with the center of the top surface of the locking rod (10) right below the center of the lock head (1).

5. The lockable gate valve of claim 1, further comprising: the buffer sheet (12) is made of stainless steel materials and is fixedly connected between the two sides of the outer wall of the limiting head (11) and the inner wall of the first-level rotating machine shell (2), the top of the buffer sheet is provided with a long and thin bulge which is inserted into a structural seam connecting the first-level rotating machine shell (2) and the limiting head (11), and the bottom of the buffer sheet is clamped in the inner wall of the second-level rotating machine shell (4) in a cone-angle shape.

6. The lockable gate valve of claim 1, further comprising: the center of the thrust pad (14) is provided with a square bulge which is matched with the shape of the head of the locking rod (10), and two sides of the thrust pad are fixedly connected inside the communicating pipe (7) in a linear manner.