CN222543147U

CN222543147U - A leak-proof valve device

Info

Publication number: CN222543147U
Application number: CN202421376919.6U
Authority: CN
Inventors: 夏政龙; 丁美红; 夏润晖
Original assignee: Yangzhong Xuchen Precision Die Forging Co ltd
Current assignee: Yangzhong Xuchen Precision Die Forging Co ltd
Priority date: 2024-06-17
Filing date: 2024-06-17
Publication date: 2025-02-28
Anticipated expiration: 2034-06-17

Abstract

The utility model provides a leak-proof valve device, belonging to the field of valve technology, including a first pipeline and a second pipeline, an anti-leakage mechanism between the first pipeline and the second pipeline, the anti-leakage mechanism including a box body, a sliding cavity inside the box body, a sliding top column in the sliding cavity, a push plate connected to the bottom of the top column, a first spring connected between the push plate and the box body, a baffle connected to the top of the top column, an extension rod connected to the top of the baffle, an upper fixed block connected to the top of the extension rod, a lower slider sliding on the extension rod, a first slide groove and a second slide groove are provided in the box body, a first slider and a second slider slide in the first slide groove and the second slide groove, a second spring and a third spring are connected between the first slider and the first slide groove and between the second slider and the second slide groove. The utility model solves the problem that after the existing water supply valve leaks, the valve stem needs to be manually twisted, which is time-consuming and labor-intensive, has low practicality, and the staff cannot see the inside, the valve stem will be damaged due to excessive rotation, which reduces the sealing effect and has limitations.

Description

Leakage-proof valve device

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a valve device capable of preventing leakage.

Background

Water supply valves are commonly used in domestic water supplies, fire protection systems and industrial water supply systems. The device is used for controlling flow, water level and the like, and has the functions of stopping, adjusting, guiding, preventing countercurrent, stabilizing pressure, shunting or overflow pressure relief and the like.

The prior CN216343945U discloses a leakage-proof water supply valve, which comprises a water supply valve main body, wherein one end of the water supply valve main body is connected with a main water inlet pipe, the other end of the water supply valve main body is fixedly connected with a main water outlet pipe, the water supply valve main body comprises a control main valve, the water supply valve main body comprises a normally open leakage remedying valve, and one end of the normally open leakage remedying valve is fixedly connected with a leakage-proof flange mechanism;

When the water supply valve is used, after leakage occurs, the valve rod needs to be manually screwed until the valve clack is in contact with the sealing base, time and labor are wasted, the practicability is low, meanwhile, workers cannot see the sealing condition inside, and then the valve rod can cause damage to the valve clack and the sealing base due to excessive rotation, so that the sealing effect is greatly reduced, and the limitation is large.

Disclosure of Invention

The utility model provides a leakage-proof valve device, which aims to solve the problems that when the existing water supply valve is used, after leakage occurs, a valve rod is required to be manually screwed until a valve clack is in contact with a sealing base, time and labor are wasted, the practicability is low, meanwhile, workers cannot see the internal sealing condition, and further, the valve rod can cause damage to the valve clack and the sealing base due to excessive rotation, so that the sealing effect is greatly reduced, and larger limitation exists.

The embodiment of the utility model provides a leakage-proof valve device, which comprises a first pipeline and a second pipeline, wherein a leakage-proof mechanism is arranged between the first pipeline and the second pipeline, the first pipeline is communicated with the second pipeline through the leakage-proof mechanism, the leakage-proof mechanism comprises a box body, an opening is formed in the bottom of the box body, a sliding cavity extends towards the inside of the box body, a top column is connected in the sliding cavity in a sliding manner, a push plate is fixedly connected to the bottom of the top column, the top column and the push plate are integrally formed, a first spring is fixedly connected between the upper surface of the push plate and the bottom of the outer surface of the box body, the first spring is positioned on two sides of the top column, a baffle is fixedly connected to the top of the baffle, an extension rod is fixedly connected to the top of the extension rod, an upper fixed block is fixedly connected to the extension rod, a lower sliding block is positioned between the upper fixed block and the baffle, a first sliding groove and a second sliding groove are further formed in the box body, a first sliding groove is fixedly connected with the bottom of the first sliding groove, a first sliding groove is fixedly connected with the second sliding groove is fixedly connected to the bottom of the second sliding groove, a first sliding groove is fixedly connected to the bottom of the first sliding groove is fixedly connected to the second sliding groove, and the first sliding groove is fixedly connected to the bottom of the first sliding groove.

Further, the upper fixing block and the lower sliding block are in an isosceles trapezoid shape, and the upper fixing block and the lower sliding block are reversely arranged.

Through adopting above-mentioned technical scheme, when promoting the jack-prop, isosceles trapezoid's last fixed block can follow between first slider and the second slider and slide, and then by jack-prop top to the top of first slider and second slider, when promoting the jack-prop again, lower slider also can slide to first slider and second slider top to through the inclined plane of slider both sides down, make and go up fixed block and lower slider reset again.

Further, the first sliding block and the second sliding block are in right trapezoid shapes, and pulleys are arranged on inclined planes of the first sliding block and the second sliding block.

By adopting the technical scheme, when pushing the jack post, the pulley greatly reduces the friction force in the sliding process.

Further, the inclined planes of the first sliding block and the second sliding block are respectively the same as the inclined planes of the two sides of the corresponding upper fixing block.

Through adopting above-mentioned technical scheme for go up the fixed block and can slide the top of first slider and second slider under the promotion of jack-prop.

Further, seal assembly is still provided with to the inside of box, seal assembly is in including fixed connection seal groove and the fixed connection of first slider and second slider upper surface are in the sealing strip of last fixed block bottom surface, sealing strip and seal groove assorted, the upper surface of slider is equipped with the draw-in groove down, draw-in groove and sealing strip assorted, the top fixedly connected with sealing gasket of sliding chamber, set up the through-hole with sliding chamber width adaptation on the sealing gasket.

Through adopting above-mentioned technical scheme, when last fixed block is pushed to the last convenience of first slider and second slider and no longer continues the promotion, go up the sealing strip of fixed block bottom can with the seal groove block for whole passageway becomes sealing state, and then effectually prevent to leak, when needs open the passageway, when advancing the jack-prop once more, draw-in groove and sealing strip laminating that also can be fine, and then do not have the clearance between the fixed block and the lower slider on making, the fixed block of being convenient for resets with the lower slider, when not taking place to leak simultaneously, the sealed pad also can be fine prevent that liquid from leaking to outside through the sliding chamber.

The beneficial effects of the utility model are as follows:

1. According to the utility model, through the arrangement of the leakage prevention mechanism, when leakage occurs, a worker does not need to manually screw the valve rod, and only needs to push the push plate upwards, so that the upper fixed block extrudes the first sliding block and the second sliding block and is positioned above the first sliding block and the second sliding block, and meanwhile, the sealing strip is clamped in the sealing groove, thereby realizing the purpose of sealing a channel, saving time and labor and greatly improving practicability.

2. According to the sealing device, when no leakage occurs, the sealing gasket can well seal the inside, liquid is prevented from flowing to the outside through the sliding cavity, and when leakage occurs, the sealing strip and the sealing groove are clamped to well seal the channel, so that the purpose of sealing the inside of the box body is achieved, the sealing effect is not reduced due to damage of the outside, and the limitation is greatly reduced.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic cross-sectional elevation view of an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the embodiment of the present utility model at a;

FIG. 3 is a schematic diagram of a front view of a closed cross-section structure according to an embodiment of the present utility model;

Reference numeral 1, a first pipeline; 2, a second pipeline, 3, a leakage prevention mechanism, 31, a box body, 32, an opening, 33, a sliding cavity, 34, a top column, 35, a push plate, 36, a first spring, 37, a baffle, 38, an extension rod, 39, an upper fixing block, 310, a lower sliding block, 311, a first sliding groove, 312, a second sliding groove, 313, a first sliding block, 314, a second sliding block, 315, a second spring, 316, a third spring, 4, a sealing assembly, 41, a sealing groove, 42, a sealing strip, 43, a clamping groove, 44 and a sealing gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the technical solutions of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present utility model. Like reference numerals in the drawings denote like parts. It should be noted that the described embodiments are some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a valve device for preventing leakage, which includes a first pipe 1 and a second pipe 2, a leakage preventing mechanism 3 is installed between the first pipe 1 and the second pipe 2, the first pipe 1 is communicated with the second pipe 2 through the leakage preventing mechanism 3, the leakage preventing mechanism 3 includes a box 31, an opening 32 is provided at the bottom of the box 31, the opening 32 extends toward the inside of the box 31, a sliding cavity 33 is provided in the sliding cavity 33, a top column 34 is slidingly connected with the bottom of the top column 34, a push plate 35 is fixedly connected with the bottom of the top column 34, the top of the push plate 35 and the bottom of the outer surface of the box 31 are integrally formed, a first spring 36 is fixedly connected between the upper surface of the push plate 35 and the bottom of the outer surface of the box 31, the first spring 36 is located at two sides of the top column 34, a baffle 37 is fixedly connected with the top of the baffle 37, an upper fixed block 39 is fixedly connected with the top of the baffle 37, a lower sliding block 310 is further slidingly connected with the extension rod 38, the lower sliding block 310 is located between the upper fixed block 39 and the baffle 37, the sliding block 33 is slidingly connected with the bottom of the first sliding block 311, a second sliding block 311 is fixedly connected with the bottom of the second sliding block 312, and the second sliding block 311 is fixedly connected with the bottom of the first sliding block 313, and the second sliding block is located between the first sliding block and the second sliding block 311 and the second sliding block is fixedly connected with the bottom of the first sliding block and the second sliding block 3.

Referring to fig. 2 and 3, the upper fixing block 39 and the lower slider 310 are in isosceles trapezoid shape, the upper fixing block 39 and the lower slider 310 are reversely arranged, the first slider 313 and the second slider 314 are in right trapezoid shape, the inclined angles of the inclined planes of the first slider 313 and the second slider 314 are the same as the inclined angles of the inclined planes of the two sides of the corresponding upper fixing block 39, pulleys are arranged on the inclined planes of the first slider 313 and the second slider 314, when the top column 34 is pushed, the isosceles trapezoid upper fixing block 39 can slide between the first slider 313 and the second slider 314, and then is propped up to the upper side of the first slider 313 and the upper side of the second slider 314 by the top column 34, and when the top column 34 is pushed again, the lower slider 310 can also slide to the upper side of the first slider 313 and the upper side of the second slider 314, and the upper fixing block 39 can reset again by the inclined planes of the lower slider 310, wherein the pulleys greatly reduce friction force in the sliding process.

Referring to fig. 2, the inside of the box 31 is further provided with a sealing assembly 4, the sealing assembly 4 includes a sealing groove 41 fixedly connected to the upper surfaces of the first slider 313 and the second slider 314, and a sealing strip 42 fixedly connected to the bottom surface of the upper fixing block 39, the sealing strip 42 is matched with the sealing groove 41, a clamping groove 43 is provided on the upper surface of the lower slider 310, the clamping groove 43 is matched with the sealing strip 42, a sealing pad 44 is fixedly connected to the top end of the sliding cavity 33, a through hole matched with the width of the sliding cavity 33 is provided on the sealing pad 44, when the upper fixing block 39 is pushed to the first slider 313 and the second slider 314, the sealing strip 42 at the bottom of the upper fixing block 39 can be clamped with the sealing groove 41, so that the whole channel is in a sealing state, and leakage is effectively prevented, when the channel needs to be opened, the top column 34 is pushed again, the clamping groove 43 and the sealing strip 42 can be well bonded, and no gap is provided between the upper fixing block 39 and the lower slider 310, so that the upper fixing block 39 and the lower slider 310 can be reset conveniently, and the sealing pad 44 can well prevent leakage of liquid from flowing through the sliding cavity 33.

The implementation mode specifically comprises the following steps: when in use, the two ends of the box 31 are respectively communicated with the first pipeline 1 and the second pipeline 2, when a liquid medium is conveyed, the baffle 37 is firmly attached to the sealing pad 44 under the action of the first spring 36, and then the inside of the box 31 is isolated and sealed from the outside, so that the liquid medium can not leak to the outside, when the pipeline connection begins to leak, a worker pushes the push plate 35 to enable the jacking column 34 to slide upwards in the sliding cavity 33, at the moment, the upper fixing block 39 can squeeze the first slider 313 and the second slider 314 to two sides, the first slider 313 and the second slider 314 slide towards the inside of the sliding groove under the action of the second spring 315 and the third spring 316, and then the upper fixing block 39 can be pushed to the upper part of the first slider 313 and the second slider 314, at the moment, the pushing of the jacking column 34 is stopped, so that the upper fixing block 39 slides under the action of the first spring 36, the sealing strip 42 is tightly clamped in the sealing groove 41 to isolate the interior of the box 31 into two non-communicated spaces, thereby isolating the liquid medium well, preventing the flow of the liquid medium, when the maintenance is completed and the liquid needs to circulate, the worker pushes the push plate 35 again, the lower slider 310 also slides to the upper parts of the first slider 313 and the second slider 314, at the moment, the pushing of the push plate 35 is stopped, the jack post 34 is reset under the action of the first spring 36, at the moment, the lower slider 310 is clamped with the upper fixing block 39 under the blocking of the first slider 313 and the second slider 314, no gap exists between the upper fixing block 39 and the lower slider 310, and the upper fixing block 39 and the lower slider 310 slide to the original position from the upper parts of the first slider 313 and the second slider 314 conveniently, the liquid medium is circulated again.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a valve device of leak protection, includes first pipeline (1) and second pipeline (2), its characterized in that, install leak protection mechanism (3) between first pipeline (1) and second pipeline (2), leak protection mechanism (3) are passed through leak protection mechanism (3) intercommunication with second pipeline (2) first pipeline (1), leak protection mechanism (3) include box (31), opening (32) have been seted up to the bottom of box (31), opening (32) are extended towards the inside of box (31) and are had sliding chamber (33), sliding connection has spliced pole (34) in sliding chamber (33), the bottom fixedly connected with push pedal (35) of spliced pole (34), fixedly connected with push pedal (35) between spliced pole (34) and push pedal (35), fixedly connected with first spring (36) between the upper surface of push pedal (35) and the surface bottom of box (31), first spring (36) are located the both sides of spliced pole (34), the top fixedly connected with baffle (37) of spliced pole (34), the top fixedly connected with baffle (38) are connected with slider (38) on the top of extension rod (38), the lower sliding block (310) is located between the upper fixing block (39) and the baffle (37), a first sliding groove (311) and a second sliding groove (312) are further formed in two sides of the inner wall surface of the box body (31), the first sliding groove (311) and the second sliding groove (312) are located at the bottom of the upper portion of the upper fixing block (39) close to the first pipeline (1), a first sliding block (313) is connected in the first sliding groove (311) in a sliding mode, a second sliding block (314) is connected in the second sliding groove (312) in a sliding mode, a second spring (315) is fixedly connected between the bottom of the first sliding block (313) and the bottom of the inner wall surface of the first sliding groove (311), and a third spring (316) is fixedly connected between the bottom of the second sliding block (314) and the bottom of the inner wall surface of the second sliding groove (312).

2. The valve device for preventing leakage according to claim 1, wherein the upper fixing block (39) and the lower slider (310) are in the shape of isosceles trapezoid, and the upper fixing block (39) and the lower slider (310) are arranged in opposite directions.

3. The valve device for preventing leakage according to claim 1, wherein the first slider (313) and the second slider (314) are each in a right-angle trapezoid shape, and pulleys are arranged on inclined surfaces of the first slider (313) and the second slider (314).

4. A leakage preventing valve device according to claim 1, wherein the inclined surfaces of the first slider (313) and the second slider (314) are inclined at the same angle as the inclined surfaces of both sides of the corresponding upper fixed block (39).

5. The leakage-proof valve device as claimed in claim 1, wherein a sealing assembly (4) is further arranged in the box body (31), the sealing assembly (4) comprises a sealing groove (41) fixedly connected to the upper surfaces of the first slider (313) and the second slider (314) and a sealing strip (42) fixedly connected to the bottom surface of the upper fixing block (39), the sealing strip (42) is matched with the sealing groove (41), a clamping groove (43) is formed in the upper surface of the lower slider (310), the clamping groove (43) is matched with the sealing strip (42), a sealing pad (44) is fixedly connected to the top end of the sliding cavity (33), and a through hole matched with the diameter of the sliding cavity (33) is formed in the sealing pad (44).