CN210461711U

CN210461711U - Better gate valve of leakproofness

Info

Publication number: CN210461711U
Application number: CN201921425164.3U
Authority: CN
Inventors: 陈长青; 刘飞飞
Original assignee: Tycos Technology Group Tianjin General Valve Co Ltd
Current assignee: Tikos Technology Group (Lishui) General Valve Co., Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-05-05
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a better gate valve of leakproofness, which comprises a housin, the equal fixed support that is provided with in casing upper end both sides, the fixed connecting plate that is provided with in support upper end, the inboard middle part of connecting plate is provided with the screw rod through the screw thread activity, the screw rod lower extreme is provided with the connecting rod through the bearing activity, the inside upper end of casing is fixed cover all around at the connecting rod and is equipped with seal gasket, the equal fixed connecting rod that is provided with in seal gasket lower extreme both sides, the fixed pressure boost plate that is provided with of connecting rod lower extreme, the fixed sealing plug that is provided with of connecting rod lower extreme. The utility model discloses the result of use is better, presses sealing plug and pressure boost plate to improve device's sealed effect through water pressure to prevent to leak and cause danger or extravagant.

Description

Better gate valve of leakproofness

Technical Field

The utility model relates to the technical field of valves, specifically be a better gate valve of leakproofness.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like.

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.

However, the currently used valves are most prone to leakage at the junction of the rotating shaft and the sealing head, and further sealing and protecting devices are lacking in the currently used valves at the two points.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a better gate valve of leakproofness to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a better gate valve of leakproofness, includes the casing, the casing upper end both sides are all fixed and are provided with the support, the fixed connecting plate that is provided with in support upper end, the inboard middle part of connecting plate is provided with the screw rod through the screw thread activity, the screw rod lower extreme is provided with the connecting rod through the bearing activity, the inside upper end of casing is fixed cover all around at the connecting rod and is equipped with seal gasket, seal gasket lower extreme both sides are all fixed and are provided with the dead lever, the fixed pressure boost plate that is provided with of dead lever lower extreme, the fixed sealing plug that is provided with of connecting.

Preferably, the upper end of the screw rod is fixedly provided with a handle, and the screw rod can be conveniently screwed through the handle.

Preferably, the outer side surface of the handle is provided with a non-slip pad, and the friction force on the surface of the handle can be increased through the non-slip pad, so that the handle is convenient to rotate.

Preferably, the sealing groove has been seted up on sealing member upper end outside surface, the fixed plate that is provided with in sealing plug upper end, the fixed sealing washer that is provided with of fixed plate lower extreme can further improve the sealed effect of device in inserting the sealing groove through the sealing washer.

Preferably, the upper end of one side of the shell is fixedly provided with a water inlet pipe, the lower end of one side of the shell, which is far away from the water inlet pipe, is fixedly provided with a water outlet pipe, and the water inlet pipe can press the sealing plug and the pressure increasing plate through water pressure at the upper end to improve the sealing effect of the device, so that danger or waste caused by leakage is prevented.

Preferably, the water inlet pipe and the water outlet pipe are fixedly provided with a connecting flange at the end far away from the shell, and the device can be conveniently connected with an external pipeline through the connecting flange.

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

1. the utility model discloses cross the inlet tube and intake, water enters into the inside back of casing through the inlet tube, can extrude the pressure boost plate through water pressure to extrude seal gasket through water pressure, thereby improve the sealed effect of seal gasket department, thereby prevent that the activity department of device connecting rod from taking place to leak.

2. The utility model discloses still can extrude the fixed plate by pressure, when the sealing washer is inserting in the seal groove, can improve the sealed effect of device sealing plug and sealing member department, through under the effect of water pressure extrusion fixed plate simultaneously, can make sealing washer and seal groove further tightly contact to further improve the sealed effect here, the tension and the sealing member in close contact with through sealing plug self at last, thereby accomplish the holistic sealing of device, the sealed effect of device is better.

Drawings

Fig. 1 is a schematic view of the overall structure of a gate valve with better sealing performance;

fig. 2 is an enlarged view of a portion a in fig. 1 of a gate valve with better sealing performance according to the present invention;

fig. 3 is a right side view of the gate valve with better sealing performance.

In the figure: 1. a housing; 2. a support; 3. a connecting plate; 4. a screw; 5. a connecting rod; 6. sealing gaskets; 7. a pressure increasing plate; 8. a sealing plug; 9. a seal member; 10. a handle; 11. a sealing groove; 12. a fixing plate; 13. a seal ring; 14. a water inlet pipe; 15. a water outlet pipe; 16. a connecting flange; 17. and (5) fixing the rod.

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. 1-3, the present invention provides a technical solution: the utility model provides a better gate valve of leakproofness, includes

casing

1, 1 upper end both sides of casing are all fixed and are provided with support 2, the fixed connecting plate 3 that is provided with in 2 upper ends of support, 3 inboard middle parts of connecting plate are provided with screw rod 4 through the screw thread activity, 4 lower extremes of screw rod are provided with connecting rod 5 through the bearing activity, 1 inside upper end of casing is fixed all around at connecting rod 5 and is equipped with seal gasket 6, seal gasket 6 lower extreme both sides are all fixed and are provided with dead lever 17, the fixed pressure boost plate 7 that is provided with of dead lever 17 lower extreme, the fixed sealing plug 8 that is provided with of 5 lower extremes of connecting rod, 1 inside sealing plug 8 both sides.

The upper end of the screw rod 4 is fixedly provided with a handle 10, the screw rod 4 can be conveniently screwed by the handle 10, the outer side surface of the handle 10 is provided with a non-slip mat, the friction force on the surface of the handle 10 can be increased by the non-slip mat, so that the handle 10 can be conveniently rotated, the outer side surface of the upper end of the sealing element 9 is provided with a sealing groove 11, the upper end of the sealing plug 8 is fixedly provided with a fixing plate 12, the lower end of the fixing plate 12 is fixedly provided with a sealing ring 13, the sealing effect of the device can be further improved by inserting the sealing ring 13 into the sealing groove 11, the upper end of one side of the shell 1 is fixedly provided with a water inlet pipe 14, the lower end of one side of the shell 1 far away from the water inlet pipe 14 is fixedly provided with a water outlet pipe 15, and one ends of the water inlet pipe 14 and the water outlet pipe 15, which are far away from the shell 1, are fixedly provided with connecting flanges 16, and the device can be conveniently connected with an external pipeline through the connecting flanges 16.

The working principle is as follows: before the device is used, the device can be externally connected with a pipeline through a connecting flange 16, after the device is externally connected with the pipeline, water needs to enter through a water inlet pipe 14, after the water enters into the shell 1 through the water inlet pipe 14, the pressurizing plate 7 can be extruded through the water pressure, thereby the sealing effect of the sealing gasket 6 is improved by the water pressure extrusion of the sealing gasket 6, meanwhile, the fixing plate 12 is also extruded by the water pressure, the sealing effect of the sealing plug 8 and the sealing element 9 of the device can be improved when the sealing ring 13 is inserted into the sealing groove 11, meanwhile, the sealing ring 13 is further tightly contacted with the sealing groove 11 under the action of the fixing plate 12 pressed by water pressure, thereby further improving the sealing effect here, and finally, by the tension of the sealing plug 8 itself being in close contact with the sealing member 9, thereby accomplish the holistic sealed of device, this is the utility model relates to a better gate valve of leakproofness's theory of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a better gate valve of leakproofness, includes casing (1), its characterized in that: the improved sealing device is characterized in that a support (2) is fixedly arranged on two sides of the upper end of the shell (1), a connecting plate (3) is fixedly arranged on the upper end of the support (2), a screw rod (4) is arranged in the middle of the inner side of the connecting plate (3) in a threaded movable mode, a connecting rod (5) is arranged at the lower end of the screw rod (4) in a movable mode through a bearing, a sealing gasket (6) is fixedly arranged on the inner upper end of the shell (1) around the connecting rod (5), fixing rods (17) are fixedly arranged on two sides of the lower end of the sealing gasket (6), a pressure increasing plate (7) is fixedly arranged at the lower end of each fixing rod (17), a sealing plug (8) is fixedly arranged.

2. The gate valve with better sealing performance according to claim 1, is characterized in that: and a handle (10) is fixedly arranged at the upper end of the screw rod (4).

3. The gate valve with better sealing performance according to claim 2, is characterized in that: the outer side surface of the handle (10) is provided with a non-slip mat.

4. The gate valve with better sealing performance according to claim 1, is characterized in that: sealing groove (11) have been seted up to sealing member (9) upper end outside surface, sealing plug (8) upper end is fixed and is provided with fixed plate (12), fixed plate (12) lower extreme is fixed and is provided with sealing washer (13).

5. The gate valve with better sealing performance according to claim 1, is characterized in that: the water inlet pipe (14) is fixedly arranged at the upper end of one side of the shell (1), and the water outlet pipe (15) is fixedly arranged at the lower end of one side, far away from the water inlet pipe (14), of the shell (1).

6. The gate valve with better sealing performance according to claim 5, is characterized in that: and one ends of the water inlet pipe (14) and the water outlet pipe (15) far away from the shell (1) are fixedly provided with connecting flanges (16).