CN213598696U

CN213598696U - Throttle valve with buffer protection

Info

Publication number: CN213598696U
Application number: CN202022754471.5U
Authority: CN
Inventors: 王章枚
Original assignee: Senlong Fluid Technology Shenzhen Co ltd
Current assignee: Senlong Fluid Technology Shenzhen Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-02
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a choke valve with buffering protection, the water control valve comprises a valve body, the valve body left end is provided with the water inlet, the valve body right-hand member is provided with the delivery port, fixedly connected with baffle in the middle of the valve body inboard, baffle left side upper end and the equal fixedly connected with baffle of right side lower extreme, the baffle below is provided with the intake antrum, the baffle top is provided with out the water cavity, the equal fixedly connected with closure plate in water inlet and the delivery port, the inboard evenly distributed of closure plate has the outlet. This choke valve with buffering protection sets up the closure plate at the tip of water inlet and delivery port, reduces the direct impact force of water to valve body inner structure to cut apart into multichannel trickle with the rivers through the outlet, slow down the speed of passing through of rivers, the rigidity of protection valve body sets up the spring in the riveting mouth, through its surface of pressfitting piece elasticity laminating and along with the gradual compression of spring when the riveting head moves down, produces buffering effect, protection riveting head and threaded connection pole.

Description

Throttle valve with buffer protection

Technical Field

The utility model relates to a valve equipment technical field specifically is a choke valve with buffering protection.

Background

A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve. The throttle valve and the one-way throttle valve are simple flow control valves, and in a constant displacement pump hydraulic system, the throttle valve and an overflow valve are matched to form three throttling speed regulating systems, namely an oil inlet path throttling speed regulating system, an oil return path throttling speed regulating system and a bypass throttling speed regulating system. The throttle valve has no flow negative feedback function, cannot compensate speed instability caused by load change, and is generally only used in occasions with small load change or low requirement on speed stability.

If the choke valve is very fast at the rivers speed, when using in the great water of impact force, receive the great influence of water resistance when the case is closed easily, cause the influence to the junction of drive mechanism and case body, can bump the friction with the valve body when the case is closed simultaneously, use for a long time and make inside precision structure part produce wearing and tearing, the condition of leaking appears.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a choke valve with buffering protection has solved the problem that causes structural damage easily when the choke valve is closed because of the impact of valve body collision and rivers.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a choke valve with buffering protection, includes the valve body, the valve body left end is provided with the water inlet, the valve body right-hand member is provided with the delivery port, fixedly connected with baffle in the middle of the valve body inboard, the equal fixedly connected with baffle of baffle left side upper end and right side lower extreme, the baffle below is provided with the intake antrum, the baffle top is provided with out the water cavity, the equal fixedly connected with closure plate in water inlet and the delivery port, the inboard evenly distributed of closure plate has the outlet.

Preferably, the valve body upper end is provided with the installing port, be provided with the through-flow mouth in the middle of the baffle inboard, the inside packing ring that is provided with of through-flow mouth, the length of packing ring is greater than the degree of depth of through-flow mouth, baffle lower extreme fixedly connected with filter screen, the filter screen is elasticity textile construction.

Preferably, the filter screen is arranged on the outer side of the through flow opening, the lower end of the inner side of the valve body is fixedly connected with a riveting opening, the riveting opening is arranged below the through flow opening, the inner side of the riveting opening is fixedly connected with a spring, and the upper end of the spring is fixedly connected with a pressing sheet.

Preferably, the pressing sheet is of a round platform-shaped structure, the upper end of the valve body is fixedly connected with a mounting plate, the mounting plate is arranged outside the mounting opening, the upper end of the mounting plate is fixedly connected with a threaded connection opening, and the inner side of the threaded connection opening is in threaded connection with a threaded connection rod.

Preferably, threaded connection pole length is greater than the height of valve body, threaded connection pole upper end fixedly connected with spacing ring, the spacing ring sets up in the threaded connection mouth top, spacing ring upper end fixedly connected with operating wheel, threaded connection pole lower extreme fixedly connected with riveting head.

Preferably, the riveting head is of a flexible anti-skidding rubber structure, the riveting head is movably connected to the inner side of the riveting opening, the threaded connecting rod is movably connected to the inner side of the gasket, the outer ends of the water inlet and the water outlet are fixedly connected with a pipeline, and the outer end of the pipeline is fixedly connected with a mounting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the throttle valve with the buffer protection function, the intercepting plates are arranged at the end parts of the water inlet and the water outlet, so that the direct impact force of a water body on the internal structure of the valve body is reduced, the water flow is divided into a plurality of thin flows through the water drainage holes, the passing speed of the water flow is reduced, and the rigidity of the valve body is protected;

2. according to the throttle valve with the buffer protection, the spring is arranged in the riveting opening, when the riveting head moves downwards, the surface of the riveting head is elastically attached through the pressing piece and gradually compressed along with the spring, the buffer effect is generated, and the riveting head and the threaded connecting rod are protected;

3. the throttle valve with the buffer protection is completely attached to the surface of the threaded connecting rod when the threaded connecting rod enters the through-flow opening through the flexible connection of the gasket, so that the condition of water leakage is avoided, and the connecting part can be prevented from being rusted due to long-time working abrasion;

4. this choke valve with buffer protection utilizes the filter screen to play the filtering action to the rivers that get into, and the in-process impurity that makes progress the lifting sinks the bottom at water, avoids flowing from the delivery port and causes the pollution, and the riveting head produces deformation and adheres to between riveting head and riveting mouthful when ejecting it downwards, makes the connection inseparabler.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the valve body of the present invention;

FIG. 3 is a schematic view of the installation structure of the operation wheel and the riveting head of the present invention;

fig. 4 is a schematic view of the installation structure of the partition board and the baffle of the present invention.

In the figure: 1. a valve body; 2. a water inlet; 3. a water outlet; 4. a partition plate; 5. a baffle plate; 6. a water inlet cavity; 7. a water outlet cavity; 8. a shutoff plate; 9. a water drain hole; 10. an installation port; 11. a flow port; 12. a gasket; 13. a filter screen; 14. riveting the opening; 15. a spring; 16. laminating the sheets; 17. mounting a plate; 18. a threaded connector; 19. a threaded connecting rod; 20. a limiting ring; 21. an operating wheel; 22. riveting the head; 23. a pipeline; 24. and (7) mounting a seat.

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. 1-4, the present invention provides a technical solution: the utility model provides a choke valve with buffering protection, includes

valve body

1, and 1 left end of valve body is provided with

water inlet

2, and 1 right-hand member of valve body is provided with delivery port 3, fixedly connected with baffle 4 in the middle of 1 inboard of valve body, 4 left sides upper ends of baffle and the equal fixedly connected with baffle 5 of right side lower extreme, and 4 below of baffle are provided with

intake antrum

6, and 4 tops of baffle are provided with out the water cavity 7, and the equal fixedly connected with closure plate 8 in water inlet 2 and the 3 inner of delivery port, 8 inboard evenly distributed of closure plate have outlet 9.

Furthermore, the upper end of the valve body 1 is provided with a mounting port 10, the middle of the inner side of the partition plate 4 is provided with a through flow port 11, the inner side of the through flow port 11 is provided with a gasket 12, the length of the gasket 12 is greater than the depth of the through flow port 11, the lower end of the partition plate 4 is fixedly connected with a filter screen 13, the filter screen 13 is of an elastic textile structure, and the gasket 12 can prevent water leakage.

Furthermore, the filter screen 13 is arranged outside the through flow opening 11, the lower end of the inner side of the valve body 1 is fixedly connected with a riveting opening 14, the riveting opening 14 is arranged below the through flow opening 11, the inner side of the riveting opening 14 is fixedly connected with a spring 15, the upper end of the spring 15 is fixedly connected with a pressing sheet 16, and the pressing sheet 16 is pressed into the riveting opening 14 and is stably connected through inner friction force.

Further, the pressing piece 16 is of a circular truncated cone-shaped structure, the upper end of the valve body 1 is fixedly connected with the mounting plate 17, the mounting plate 17 is arranged outside the mounting opening 10, the upper end of the mounting plate 17 is fixedly connected with the threaded connector 18, the inner side of the threaded connector 18 is in threaded connection with the threaded connecting rod 19, and the pressing piece 16 facilitates butt joint of the riveting head 22.

Further, the length of the threaded connecting rod 19 is greater than the height of the valve body 1, the upper end of the threaded connecting rod 19 is fixedly connected with a limiting ring 20, the limiting ring 20 is arranged above the threaded connecting port 18, the upper end of the limiting ring 20 is fixedly connected with an operating wheel 21, the lower end of the threaded connecting rod 19 is fixedly connected with a riveting head 22, and the riveting head 22 can block the through-flow port 11.

Furthermore, riveting head 22 is flexible anti-skidding rubber construction, and riveting head 22 swing joint is inboard in riveting mouthful 14, and threaded connection pole 19 swing joint is inboard in packing ring 12, and

water inlet

2 and 3 outer ends of delivery port fixedly connected with pipeline 23, the fixed fixedly connected with mount pad 24 in pipeline 23 outer end, and packing ring 12 can protect the junction of threaded connection pole 19 and threaded connection mouth 18.

The working principle is as follows: firstly, after water flow enters the water inlet 2 through the pipeline 23, the flow speed of the water body is reduced due to the arrangement of the cut-off plate 8, the water body is divided into a plurality of strands of thin flows through the drain hole 9, the direct impact force and the water flow section of the water flow are reduced, the internal structure of the throttle valve is protected, after the water flow enters the water inlet cavity 6, the water surface is gradually lifted, impurities in the water are retained in the valve body 1 through the filter screen 13, clean water flow enters the water outlet cavity 7 through the through flow port 11 and finally flows out through the water outlet 3, when the throttle valve is needed, an operator rotates the operating wheel 21 to enable the threaded connecting rod 19 to rotate downwards, the riveting head 22 enters the through flow port 11 to cut off the flow direction of the water flow, after the water flow continuously downwards, the threaded connecting rod 19 enters the through flow port 11, the connecting part between the gasket 12 and the through flow port 11 is completely coated, the corrosion caused by abrasion after the, the filter screen 13 is pressed downwards, the spring 15 is stressed and compressed, finally, the riveting head 22 and the pressing piece 16 are all inserted into the inner side of the riveting opening 14, meanwhile, the filter screen 13 is pressed into the riveting opening 14 by the riveting head 22, the connection part is tight through internal friction force, and the filter screen is not easy to separate.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A throttle valve with buffering protection, includes the valve body, its characterized in that: the water inlet valve is characterized in that a water inlet is formed in the left end of the valve body, a water outlet is formed in the right end of the valve body, a partition plate is fixedly connected to the middle of the inner side of the valve body, a baffle plate is fixedly connected to the upper end of the left side and the lower end of the right side of the partition plate, a water inlet cavity is formed in the lower portion of the partition plate, a water outlet cavity is formed in the upper portion of the partition plate, a shutoff plate is fixedly connected to the.

2. The throttle valve with buffer protection as set forth in claim 1, wherein: the valve body upper end is provided with the installing port, be provided with the through-flow mouth in the middle of the baffle inboard, the through-flow mouth inboard is provided with the packing ring, the length of packing ring is greater than the degree of depth of through-flow mouth, baffle lower extreme fixedly connected with filter screen, the filter screen is elasticity textile structure.

3. The throttle valve with buffer protection as set forth in claim 2, wherein: the filter screen is arranged on the outer side of the through-flow opening, the lower end of the inner side of the valve body is fixedly connected with a riveting opening, the riveting opening is arranged below the through-flow opening, the inner side of the riveting opening is fixedly connected with a spring, and the upper end of the spring is fixedly connected with a pressing sheet.

4. A throttle valve with buffer protection as set forth in claim 3 wherein: the pressfitting piece is round platform column structure, valve body upper end fixedly connected with mounting panel, the mounting panel sets up in the installing port outside, mounting panel upper end fixedly connected with threaded connection mouth, threaded connection has threaded connection pole in the threaded connection mouth inboard threaded connection.

5. The throttle valve with buffer protection as set forth in claim 4, wherein: the length of the threaded connecting rod is greater than the height of the valve body, the upper end of the threaded connecting rod is fixedly connected with a limiting ring, the limiting ring is arranged above the threaded connecting port, the upper end of the limiting ring is fixedly connected with an operating wheel, and the lower end of the threaded connecting rod is fixedly connected with a riveting head.

6. The throttle valve with buffer protection as set forth in claim 5, wherein: the riveting head is of a flexible anti-sliding rubber structure, the riveting head is movably connected to the inner side of the riveting opening, the threaded connecting rod is movably connected to the inner side of the gasket, the outer ends of the water inlet and the water outlet are fixedly connected with pipelines, and the outer ends of the pipelines are fixedly connected with mounting seats.