CN220082190U

CN220082190U - Three-way valve with leak protection structure

Info

Publication number: CN220082190U
Application number: CN202321037736.7U
Authority: CN
Inventors: 肖兵; 李长军; 唐涛
Original assignee: Shanghai Zhanxili Construction Co ltd
Current assignee: Shanghai Zhanxili Construction Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-11-24
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a three-way valve with a leakage-proof structure, which comprises a valve main body, wherein the front end of the valve main body is connected with a water inlet port, the right end of the valve main body is connected with a water outlet port I, the left end of the valve main body is connected with a water outlet port II, the water inlet port, the water outlet port I and the water outlet port II are all in threaded connection with water pipes, two sides of the upper end of the valve main body are fixedly connected with mounting plates, the upper end of the middle part of the valve main body is provided with a limiting block, and the middle shaft of the limiting block is connected with a spanner. This three-way valve with leak protection structure seals water outlet port one and water outlet port two respectively through setting up two sets of block seal structure, can control the switch-on of two sets of block seal structure alone through rotatory case, and this structure compares traditional ball valve case structure, when switch control, is difficult for producing wearing and tearing, and can not produce the influence to the sealed effect of water valve after wearing and tearing.

Description

Three-way valve with leak protection structure

Technical Field

The utility model relates to the technical field of three-way valves, in particular to a three-way valve with a leakage-proof structure.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting flow or overflow pressure relief and the like, has a plurality of types, and is provided with a two-way valve, a three-way valve, a one-way valve and the like according to the conduction type, and the three-way valve can be used for controlling two groups of water outlet pipelines and controlling the on-off condition of the two groups of pipelines in general, but the existing three-way valve has a certain problem in the use process.

The existing three-way valve with the Chinese patent publication number of CN208565668U comprises a valve body, a valve rod and an inlet connecting block, wherein a fluid inlet is formed in the left end of the valve body and fixedly connected with the valve body, an inlet threaded interface is formed in the left side wall of the fluid inlet and fixedly connected with the fluid inlet; but this three way valve adopts traditional ball valve structure to control, but the ball valve need rotate when the control switches on, and can produce the friction between ball valve and the valve main part, and after long-time or frequent switch, certain wearing and tearing can appear in the ball valve body to can influence the whole leakproofness of valve, can lead to appearing the condition that leaks, causes the waste of resource.

We have therefore proposed a three-way valve with a leak-proof structure in order to solve the problems set out above.

Disclosure of Invention

The utility model aims to provide a three-way valve with a leakage-proof structure, which solves the problems that the existing three-way valve proposed by the background technology mostly adopts a traditional ball valve core, the valve core of the structure generates friction with a valve main body when being opened and closed, and the valve core is worn after long-time use or frequent opening and closing, so that water leakage is caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a three-way valve with a leak-proof structure, comprising a valve body:

the front end of the valve main body is connected with a water inlet port, the right end of the valve main body is connected with a first water outlet port, and the left end of the valve main body is connected with a second water outlet port;

the water inlet port, the water outlet port I and the water outlet port II are respectively connected with a water pipe through threads;

the valve is characterized in that mounting plates are fixedly connected to two sides of the upper end of the valve body, a limiting block is arranged at the upper end of the middle part of the valve body, a spanner is connected to the middle part of the limiting block in a shaft mode, a valve core is fixedly connected to the lower end of the spanner, and the lower end of the valve core penetrates through the interior of the valve body.

Preferably, the water outlet port I and the water outlet port II are both connected with a first sealing plate, the first sealing plate is of a circular structural design, a fixing frame is arranged inside the first sealing plate, the fixing frame is of a cross structural design, and a sliding rod penetrates through the center of the fixing frame.

By adopting the technical scheme, through the setting of the cross-shaped fixing frame, the water flow can be ensured to be normally conducted, and the moving range and the stability of the sliding rod are limited.

Preferably, the inner side end of the sliding rod is fixedly connected with a second sealing plate, the second sealing plate is connected with the first sealing plate in a clamping way, the outer side end face of the second sealing plate is fixedly connected with a sealing ring, and the outer side end face of the sealing ring is contacted with the first sealing plate to form a sealing structure.

By adopting the technical scheme, the sealing effect can be achieved when the sealing device is clamped with the first sealing plate through the arrangement of the second sealing plate, and the sealing ring connected with the outer side end face of the second sealing plate can improve the sealing effect.

Preferably, the outside end of the sliding rod is penetrated with a reset spring, the inside end of the reset spring is fixedly connected with the fixing frame, and the outside end of the reset spring is fixedly connected with the sliding rod to form a reset structure.

By adopting the technical scheme, through the setting of reset spring, can promote the slide bar and move to the outside under the unrestricted condition of slide bar activity, and then drive second closing plate and first closing plate and carry out the block and seal, the inside rivers of valve body also can produce pressure simultaneously to promote second closing plate and first closing plate block more inseparable, guarantee sealing performance.

Preferably, a fixed seat is arranged at the center of the inner side end of the second sealing plate, a connecting rod is connected with the left end shaft of the fixed seat, the connecting rod and the fixed seat form a rotating structure, the left end of the connecting rod is connected with a limiting rod, and the upper end and the lower end of the limiting rod penetrate through the connecting rod;

the valve core lower extreme fixedly connected with limiting plate, and limiting plate inside has seted up the spacing groove to the gag lever post runs through in the inside slip limit structure that constitutes of spacing groove.

By adopting the technical scheme, through setting up two sets of limiting plates in case lower extreme, the position of spacing groove changes when the case drives the limiting plate and rotates, and after simultaneously spacing groove both ends inner wall contacted with the gag lever post, can drive gag lever post and connecting rod and move to take place the displacement through connecting rod pulling fixing base, second closing plate, sealing washer and slide bar, and then the contact is sealed to a certain port, thereby the state that the control switched on.

Preferably, the limiting groove is in an arc-shaped structural design, two groups of limiting plates are arranged, and the limiting plates are symmetrically distributed on the upper end face and the lower end face of the connecting rod.

By adopting the technical scheme, the connecting rod can be limited through the two groups of limiting plates, and the stability of the connecting rod and the limiting plates during movement is improved.

Compared with the prior art, the utility model has the beneficial effects that: the three-way valve with the leak-proof structure;

1. the water outlet port I and the water outlet port II are respectively sealed by arranging two groups of clamping sealing structures, the conduction of the two groups of clamping sealing structures can be independently controlled by rotating the valve core, and compared with the traditional ball valve core structure, the structure is not easy to wear during the on-off control, and the sealing effect of the water valve is not influenced after the wear;

2. through setting up block formula seal structure, can prevent to produce the condition that leaks because of wearing and tearing after long-time use or frequent switch, it is rotatory to drive the limiting plate through different direction rotatory case to the conduction condition of two sets of block formula seal structures of individual control, and then control outlet port one and outlet port two's conduction state, be difficult for appearing wearing and tearing, applicable frequent switch control scene, long service life is high in reliability.

Drawings

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

FIG. 2 is a schematic view of a valve body and a first seal plate structure according to the present utility model;

FIG. 3 is a schematic view of a valve core and a limiting plate structure of the present utility model;

FIG. 4 is a schematic view of a second seal plate and seal ring according to the present utility model;

FIG. 5 is a schematic view of the second seal plate and the fixing base of the present utility model.

In the figure: 1. a valve body; 2. a water inlet port; 3. a first water outlet port; 4. a second water outlet port; 5. a water pipe; 6. a mounting plate; 7. a limiting plate; 8. a wrench; 9. a valve core; 10. a first sealing plate; 11. a fixing frame; 12. a slide bar; 13. a second sealing plate; 14. a seal ring; 15. a return spring; 16. a fixing seat; 17. a connecting rod; 18. a limit rod; 19. a limiting plate; 20. and a limit groove.

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.

Referring to fig. 1-5, the present utility model provides a technical solution: a three-way valve with a leakage-proof structure comprises a valve main body 1; the front end of the valve main body 1 is connected with a water inlet port 2, the right end of the valve main body 1 is connected with a water outlet port I3, and the left end of the valve main body 1 is connected with a water outlet port II 4; the water inlet port 2, the water outlet port I3 and the water outlet port II 4 are all in threaded connection with a water pipe 5; mounting plates 6 are fixedly connected to two sides of the upper end of the valve main body 1, a limiting block 7 is arranged at the upper end of the middle part of the valve main body 1, a spanner 8 is connected to the middle part of the limiting block 7 in a shaft mode, a valve core 9 is fixedly connected to the lower end of the spanner 8, and the lower end of the valve core 9 penetrates through the interior of the valve main body 1; the water inlet port 2 is arranged to be connected with a water inlet pipeline, the water outlet port I3 and the water outlet port II 4 are connected with two groups of water outlet pipelines, and the spanner 8 is pulled in different directions to drive the valve core 9 to rotate so as to independently control the conduction of the water outlet port I3 or the water outlet port II 4.

The inner side ends of the first water outlet port 3 and the second water outlet port 4 are connected with a first sealing plate 10, the first sealing plate 10 is of a circular ring-shaped structural design, a fixing frame 11 is arranged in the first sealing plate 10, the fixing frame 11 is of a cross-shaped structural design, and a sliding rod 12 penetrates through the center of the fixing frame 11; the inner side end of the sliding rod 12 is fixedly connected with a second sealing plate 13, the second sealing plate 13 is in clamping connection with the first sealing plate 10, the outer side end surface of the second sealing plate 13 is fixedly connected with a sealing ring 14, and the outer side end surface of the sealing ring 14 contacts with the first sealing plate 10 to form a sealing structure; the outer side end of the sliding rod 12 is penetrated with a reset spring 15, the inner side end of the reset spring 15 is fixedly connected with the fixed frame 11, and the outer side end of the reset spring 15 is fixedly connected with the sliding rod 12 to form a reset structure; through the cooperation of first closing plate 10 and second closing plate 13, can control the switch on of water outlet port one 3 and water outlet port two 4, drive slide bar 12 and second closing plate 13 outside activity through reset spring 15, and then make second closing plate 13 and first closing plate 10 block be connected, sealing washer 14 and the contact of first closing plate 10 accomplish the seal simultaneously, and the inside fluid of valve main part 1 has certain pressure, can produce outside pressure to second closing plate 13, can not provide sealed effect when influencing to the seal.

A fixed seat 16 is arranged at the center of the inner side end of the second sealing plate 13, the left end of the fixed seat 16 is connected with a connecting rod 17 in a shaft way, the connecting rod 17 and the fixed seat 16 form a rotating structure, the left end of the connecting rod 17 is connected with a limiting rod 18, and the upper end and the lower end of the limiting rod 18 penetrate through the connecting rod 17; the lower end of the valve core 9 is fixedly connected with a limiting plate 19, a limiting groove 20 is formed in the limiting plate 19, and a limiting rod 18 penetrates through the limiting groove 20 to form a sliding limiting structure; the limiting grooves 20 are in an arc-shaped structural design, two groups of limiting plates 19 are arranged, and the limiting plates 19 are symmetrically distributed on the upper end face and the lower end face of the connecting rod 17; the two groups of limiting plates 19 connected with the lower end are driven to rotate through the rotation of the valve core 9, the positions of the limiting grooves 20 can be changed, the positions of a group of limiting rods 18 can be driven to change through the rotation of the limiting grooves 20, the connecting rod 17, the second sealing plate 13 and the sealing ring 14 are driven to displace inside the valve main body 1, the clamping between the second sealing plate 13 and the first sealing plate 10 is further relieved, and the conduction of the water outlet port is further controlled.

Working principle: when the three-way valve with the leakage-proof structure is used, the water inlet port 2 is arranged to be connected with a water inlet pipeline, the water outlet port I3 and the water outlet port II 4 are connected with two groups of water outlet pipelines, and the spanner 8 is pulled in different directions to drive the valve core 9 to rotate so as to independently control the conduction of the water outlet port I3 or the water outlet port II 4; the conduction of the first water outlet port 3 and the second water outlet port 4 can be controlled through the cooperation of the first sealing plate 10 and the second sealing plate 13, the sliding rod 12 and the second sealing plate 13 are driven to move outwards through the reset spring 15, so that the second sealing plate 13 is in clamping connection with the first sealing plate 10, meanwhile, the sealing ring 14 contacts with the first sealing plate 10 to finish sealing, fluid in the valve main body 1 has certain pressure, the second sealing plate 13 can be subjected to outward pressure, and sealing effect can be provided while sealing is not influenced; the two groups of limiting plates 19 connected with the lower end are driven to rotate through the rotation of the valve core 9, the positions of the limiting grooves 20 can be changed, the positions of a group of limiting rods 18 can be driven to change through the rotation of the limiting grooves 20, the connecting rod 17, the second sealing plate 13 and the sealing ring 14 are driven to displace inside the valve main body 1, the clamping between the second sealing plate 13 and the first sealing plate 10 is further relieved, and the conduction of the water outlet port is further controlled.

To complete a series of work, and what is not described in detail in this specification is prior art that is well known to those skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a three-way valve with leak protection structure, includes valve main part (1), its characterized in that:

the front end of the valve main body (1) is connected with a water inlet port (2), the right end of the valve main body (1) is connected with a water outlet port I (3), and the left end of the valve main body (1) is connected with a water outlet port II (4);

the water inlet port (2), the water outlet port I (3) and the water outlet port II (4) are all in threaded connection with a water pipe (5);

valve main part (1) upper end both sides fixedly connected with mounting panel (6), and valve main part (1) middle part upper end is provided with stopper (7), stopper (7) middle part hub connection has spanner (8), and spanner (8) lower extreme fixedly connected with case (9) to valve case (9) lower extreme runs through inside valve main part (1).

2. The three-way valve with leakage preventing structure according to claim 1, wherein: the novel water outlet device is characterized in that the inner ends of the first water outlet port (3) and the second water outlet port (4) are connected with a first sealing plate (10), the first sealing plate (10) is of a circular structural design, a fixing frame (11) is arranged inside the first sealing plate (10), the fixing frame (11) is of a cross-shaped structural design, and a sliding rod (12) penetrates through the center of the fixing frame (11).

3. The three-way valve with leakage preventing structure according to claim 2, wherein: the inner side end of the sliding rod (12) is fixedly connected with a second sealing plate (13), the second sealing plate (13) is connected with the first sealing plate (10) in a clamping mode, the outer side end face of the second sealing plate (13) is fixedly connected with a sealing ring (14), and the outer side end face of the sealing ring (14) is in contact with the first sealing plate (10) to form a sealing structure.

4. The three-way valve with leakage preventing structure according to claim 2, wherein: the outside end of the sliding rod (12) is penetrated with a reset spring (15), the inside end of the reset spring (15) is fixedly connected with the fixed frame (11), and the outside end of the reset spring (15) is fixedly connected with the sliding rod (12) to form a reset structure.

5. A three-way valve having a leak-proof structure as defined in claim 3, wherein: a fixed seat (16) is arranged at the center of the inner side end of the second sealing plate (13), the left end of the fixed seat (16) is connected with a connecting rod (17) in a shaft manner, the connecting rod (17) and the fixed seat (16) form a rotating structure, the left end of the connecting rod (17) is connected with a limiting rod (18), and the upper end and the lower end of the limiting rod (18) penetrate through the connecting rod (17);

the valve core (9) is fixedly connected with a limiting plate (19) at the lower end, a limiting groove (20) is formed in the limiting plate (19), and a limiting rod (18) penetrates through the limiting groove (20) to form a sliding limiting structure.

6. The three-way valve with leak-proof structure of claim 5, wherein: the limiting grooves (20) are in an arc-shaped structural design, two groups of limiting plates (19) are arranged, and the limiting plates (19) are symmetrically distributed on the upper end face and the lower end face of the connecting rod (17).