CN219013400U

CN219013400U - Leak-proof self-sealing valve

Info

Publication number: CN219013400U
Application number: CN202320070758.7U
Authority: CN
Inventors: 刘呈呈
Original assignee: Cangzhou Changyuan Fittings Co ltd
Current assignee: Cangzhou Changyuan Fittings Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-05-12
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses an anti-leakage self-sealing valve, which relates to the technical field of self-sealing valves and particularly comprises a valve body, wherein connecting pipes are fixedly connected to two sides of the bottom end of the valve body, a fixed pipe is fixedly connected to the middle part of the top of the valve body, a handle is arranged at the top end of the fixed pipe, positioning blocks are movably connected to two sides of the top of the handle, a screw rod is movably connected to the top end of an inner cavity of the fixed pipe, a positioning groove matched with the positioning blocks is arranged at the top of the screw rod, the handle is movably connected with the screw rod, a lifting rod is connected to the outer ring thread at the bottom end of the screw rod, the lifting rod is movably connected with the inner cavity of the fixed pipe, and a sealing sleeve is fixedly connected to the top end of the inner cavity of the valve body. This leak protection self sealss valve, through the setting of handle and lead screw, this valve in the use, handle and lead screw are in swing joint's state, can not exert an influence to this valve when the handle is by the maloperation, have improved the security of this valve.

Description

Leak-proof self-sealing valve

Technical Field

The utility model relates to the technical field of self-sealing valves, in particular to an anti-leakage self-sealing valve.

Background

The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like. The use of valves in fluid control systems is extremely important and the variety and specifications of valves in the marketplace are extremely diverse. With the rapid development of industry, the demands on the valve are increasing, so that the use efficiency of the valve can be improved by innovating the valve, however, the existing valve has some defects, such as:

according to the patent number: the utility model discloses an anti-leakage self-sealing valve, which is characterized in that a rotary handle is movably arranged at the upper end of a hand wheel through the installation of the hand wheel, a user can rotate the hand wheel by rotating the rotary handle, the rotary handle is made to be cylindrical, the rotary handle is attached to the palm of the user, the anti-slip texture is arranged on the surface of the rotary handle, the friction force between the rotary handle and the palm of the user is greatly improved, and the sliding grooves are formed in the two sides of a sliding groove and are mutually clamped with a clamping block, so that a first piston block is prevented from rotating when being pressed down.

According to the technical scheme, when the valve is used, the rotating operation assembly of the valve is easy to be rotated by misoperation, so that the use effect of the valve is affected, and therefore, the anti-leakage self-sealing valve is provided.

Disclosure of Invention

The utility model provides an anti-leakage self-sealing valve, which solves the problem that a rotary operation assembly of the valve provided in the background art is easy to be operated and rotated by mistake.

The utility model provides the following technical scheme: the utility model provides an anti-leakage self-sealing valve, the case realizes opening and shutting of valve through going up and down, and the handle is in swing joint's state under the normal condition with the lead screw that drives the case removal, and the handle is during the maloperation, can not influence the case, seals through the seal cover that can stretch out and draw back between case and the valve body, and the seal cover is in the shrink state, and the resilience force of seal cover makes seal cover and valve body closely laminate, improves the leakproofness of this valve, plays the function of anti-leakage.

The utility model provides an anti-leakage self-sealing valve, includes the valve body, the equal fixedly connected with connecting pipe in both sides of valve body bottom, the middle part fixedly connected with fixed pipe at valve body top, the top of fixed pipe is equipped with the handle, the equal swing joint in both sides at handle top has the locating piece, the top swing joint of fixed pipe inner chamber has the lead screw, the top of lead screw is equipped with the constant head tank with the locating piece adaptation, just handle and lead screw swing joint, the outer lane threaded connection of lead screw bottom has the lifter, the inner chamber swing joint of lifter and fixed pipe, the top fixedly connected with seal cover of valve body inner chamber, the bottom fixedly connected with case of seal cover, the inner chamber swing joint of case and valve body, the middle part at case top and the bottom fixedly connected with of lead screw, the top swing joint of lead screw and seal cover.

Preferably, the bottom fixedly connected with go-between of handle, go-between's outer lane swing joint has solid fixed ring, gu fixed ring and the top fixed connection of fixed pipe, the both sides at handle top middle part all are equipped with the fluting with the locating piece adaptation, the middle part of fluting bottom is equipped with the spout.

Preferably, the positioning block is magnetically connected with the inner cavity of the positioning groove, the positioning block is L-shaped, the vertical part of the positioning block is positioned at one end of the positioning block away from the positioning groove, and the bottom of the end of the positioning block is fixedly connected with a sliding block matched with the sliding groove.

Preferably, one end of the two ends of the valve core and the screw rod is rectangular, the end of the valve core is tightly attached to the inner wall of the valve body, the other end of the valve core is semicircular, and the outer diameter of the semicircle is the same as the inner diameter of the bottom of the inner cavity of the valve body.

Preferably, the sealing sleeve is T-shaped, and the cross section of one end of the sealing sleeve far away from the valve core is larger than the cross section of the other end of the sealing sleeve.

Preferably, the screw rod is sealed with the fixed pipe through packing, and the outer surface of the lifting rod is contacted with the inner wall of the fixed pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. this leak protection self sealss valve, through the setting of handle and lead screw, this valve in the use, handle and lead screw are in swing joint's state, can not exert an influence to this valve when the handle is by the maloperation, have improved the security of this valve.

2. This prevent leaking self sealss valve through the setting of valve body and seal cover, and the valve body can extrude the seal cover at the removal in-process, and the resilience force of seal cover can make seal cover and the inner wall of valve body closely laminate, improves the leakproofness of this valve, plays the function of preventing leaking outward.

Drawings

FIG. 1 is a schematic diagram of the front of the structure of the present utility model;

FIG. 2 is a schematic top view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the structure of the present utility model in FIG. 1;

FIG. 4 is a schematic cross-sectional view of a handle of the present utility model;

FIG. 5 is an exploded view of FIG. 1, which is a block diagram of the present utility model.

In the figure: 1. a valve body; 2. a connecting pipe; 3. a fixed tube; 4. a handle; 5. slotting; 6. a chute; 7. a slide block; 8. a positioning block; 9. a fixing ring; 10. a valve core; 11. a screw rod; 12. a lifting rod; 13. sealing sleeve; 14. and a connecting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides an anti-leakage self-sealing valve which comprises a valve body 1, wherein connecting pipes 2 are fixedly connected to two sides of the bottom end of the valve body 1, and the inner diameter of each connecting pipe 2 is the same as the inner diameter of the bottom of an inner cavity of the valve body 1.

The middle part fixedly connected with fixed pipe 3 at valve body 1 top, the top swing joint of fixed pipe 3 inner chamber has lead screw 11, and fixed pipe 3 passes through the packing with lead screw 11 and seals, improves the leakproofness between the two.

The inner cavity of the fixed pipe 3 is movably connected with a lifting rod 12, the outer surface of the lifting rod 12 is in contact with the inner wall of the fixed pipe 3, the middle part of the lifting rod 12 is provided with an internal thread matched with the screw rod 11, the lifting rod 12 is in threaded connection with the screw rod 11, and the bottom of the lifting rod 12 is fixedly connected with a valve core 10 in a bolt connection mode and the like.

One ends of the two ends of the valve core 10 and the screw rod 11 are rectangular, the end of the valve core 10 is tightly attached to the inner wall of the valve body 1, the other end of the valve core 10 is semicircular, and the outer diameter of the semicircle is the same as the inner diameter of the bottom of the inner cavity of the valve body 1.

As can be seen from the above description, when the screw 11 rotates, the lifting rod 12 in threaded connection with the screw 11 can move in the direction of the screw 11, that is, the screw 11 rotates to enable the valve core 10 to lift, so that the valve can be opened or closed.

The top fixedly connected with seal cover 13 of case 10, the top of seal cover 13 and the inner chamber swing joint of valve body 1, the top of seal cover 13 and the top fixed connection of valve body 1 inner chamber, and the material of seal cover 13 has elasticity, in this application, the material of seal cover 13 is rubber, and seal cover 13 in this application is in the shrink state all the time, seal cover 13's resilience force can make seal cover 13 closely laminate with the inner wall of valve body 1 and case 10, the leakproofness of this valve has been improved, prevent the leak.

One end of the lifting rod 12 connected with the valve core 10 is fixedly connected with the bottom of the sealing sleeve 13, and the top of the inner cavity of the sealing sleeve 13 is movably connected with the lifting rod 12, so that the sealing sleeve 13 can be conveniently stretched.

The shape of seal cover 13 is T type, and the cross section of seal cover 13 one end that keeps away from case 10 is greater than the cross section of its other end, and seal cover 13 when the shrink of seal cover 13, seal cover 13 can closely laminate with valve body 1, and the setting of seal cover shape can improve seal cover 13's sealing performance.

The anti-leakage self-sealing valve further comprises a handle 4, and when the valve is used, a user can drive the screw rod 11 to rotate through the handle 4.

The bottom fixedly connected with go-between 14 of handle 4, the cross section of go-between 14 is the T type, and go-between 14 outer lane swing joint has solid fixed ring 9, gu fixed ring 9 and the top fixed connection of pipe 3, handle 4 can rotate.

The top of handle 4 flushes with the top of lead screw 11, and the both sides at handle 4 top middle part all are equipped with fluting 5, the middle part at fluting 5 inner chamber bottom is equipped with spout 6, spout 6's shape is the T font that falls, the intracavity swing joint of spout 6 has the slider 7 of adaptation with it, the top fixedly connected with L type locating piece 8 of slider 7, the vertical portion of locating piece 8 is located the one end that locating piece 8 kept away from the constant head tank, so set up, locating piece 8 and handle 4 can' T separate, and the position of locating piece 8 in handle 4 can take place to remove.

The middle part at the top of the screw rod 11 is provided with a positioning groove, the positioning groove is matched with the horizontal part of the positioning block 8, when the positioning block 8 moves into the inner cavity of the positioning groove, the positioning block 8 is magnetically attracted with the positioning groove, the position of the positioning block 8 is fixed, the rotation of the handle 4 can drive the positioning block 8 to rotate, the positioning block 8 can drive the screw rod 11 to rotate, when the positioning block 8 is separated from the positioning groove, the handle 4 and the screw rod 11 are in a movable connection state, the rotation of the handle 4 can not influence the screw rod 11, and the safety of the valve is improved.

To sum up: when the anti-leakage self-sealing valve is used, the positioning block 8 is separated from the screw rod 11, the handle 4 is in a movable connection state with the screw rod 11, and the handle 4 cannot influence the screw rod 11.

When the position of the valve core 10 needs to be regulated, a user moves the positioning block 8, so that the positioning block 8 moves into the inner cavity of the positioning groove, the user rotates the handle 4, the handle 4 drives the screw rod 11 to rotate through the positioning block 8, the lifting rod 12 moves in the direction of the screw rod 11 due to the rotation of the screw rod 11, the lifting rod 12 drives the valve core 10 to move, the position of the valve core 10 changes, the opening and closing angle of the valve changes, and the valve realizes a sealing function when the valve core 10 is tightly attached to the bottom of the inner cavity of the valve body 1.

Standard parts used in the present utility model can be purchased from the market, the special-shaped parts can be customized according to the descriptions of the specification and the drawings, the specific connection modes of the parts are conventional means such as bolts, rivets, welding and the like which are mature in the prior art, and the machines, the parts and the equipment are conventional models in the prior art, so that details which are not described in detail in the specification belong to the prior art which is well known to the person skilled in the art, and although the embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an leak protection self sealss valve, includes valve body (1), its characterized in that: the utility model discloses a valve body, including valve body (1), handle (4), fixed pipe (3) are fixed in the middle part fixedly connected with at valve body (1) bottom, the top of fixed pipe (3) is equipped with handle (4), the equal swing joint in both sides at handle (4) top has locating piece (8), the top swing joint at fixed pipe (3) inner chamber has lead screw (11), the top of lead screw (11) be equipped with the constant head tank of locating piece (8) adaptation, just handle (4) and lead screw (11) swing joint, the outer lane threaded connection of lead screw (11) bottom has lifter (12), the inner chamber swing joint of lifter (12) and fixed pipe (3), the top fixedly connected with seal cover (13) at valve body (1) inner chamber, the bottom fixedly connected with case (10) of seal cover (13), the bottom fixedly connected with of the bottom of lead screw (11) at the middle part at case (10) top and the inner chamber swing joint of valve body (1), the top of lead screw (11) and seal cover (13).

2. The leak-proof self-sealing valve as defined in claim 1, wherein: the novel handle is characterized in that a connecting ring (14) is fixedly connected to the bottom of the handle (4), a fixing ring (9) is movably connected to the outer ring of the connecting ring (14), the fixing ring (9) is fixedly connected with the top end of the fixing tube (3), grooves (5) matched with the positioning blocks (8) are formed in two sides of the middle of the top of the handle (4), and sliding grooves (6) are formed in the middle of the bottom of the grooves (5).

3. The leak-proof self-sealing valve as defined in claim 2, wherein: the positioning block (8) is magnetically connected with the inner cavity of the positioning groove, the positioning block (8) is L-shaped, the vertical part of the positioning block (8) is positioned at one end of the positioning block (8) far away from the positioning groove, and the bottom of the end of the positioning block (8) is fixedly connected with a sliding block (7) matched with the sliding groove (6).

4. The leak-proof self-sealing valve as defined in claim 1, wherein: the valve is characterized in that one end of two ends of the valve core (10) and the screw rod (11) is rectangular, the end of the valve core (10) is tightly attached to the inner wall of the valve body (1), the other end of the valve core (10) is semicircular, and the outer diameter of the semicircle is the same as the inner diameter of the bottom of the inner cavity of the valve body (1).

5. The leak-proof self-sealing valve as defined in claim 1, wherein: the sealing sleeve (13) is T-shaped, and the cross section of one end of the sealing sleeve (13) far away from the valve core (10) is larger than the cross section of the other end of the sealing sleeve.

6. The leak-proof self-sealing valve as defined in claim 1, wherein: the screw rod (11) is sealed with the fixed pipe (3) through packing, and the outer surface of the lifting rod (12) is contacted with the inner wall of the fixed pipe (3).