CN216131536U

CN216131536U - Negative pressure valve with two ends convenient to detach

Info

Publication number: CN216131536U
Application number: CN202121614344.3U
Authority: CN
Inventors: 严格; 欧吉林
Original assignee: Chongqing Xiangzhong Gas Equipment Co ltd
Current assignee: Chongqing Xiangzhong Gas Equipment Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-03-25
Anticipated expiration: 2031-07-15

Abstract

The application provides both ends convenient to detach's negative pressure valve belongs to convenient to detach's negative pressure valve technical field. The negative pressure valve with two convenient-to-detach ends comprises a body device and a fixing device, wherein the body device comprises a valve body, the outer disc is fixedly arranged on the valve body, the inner disc is rotationally connected with the outer disc, the upper rack is fixedly arranged on the outer disc, the lower rack is fixedly arranged on the inner disc, the upper rack is meshed with the gear, the lower rack is meshed with the gear, the threaded rod is slidably arranged on the outer disc, the threaded rod is arranged on the outer disc in a threaded manner, the threaded rod is rotationally connected with the fixed disc, the sleeve is fixedly arranged on the inner disc, the fixed disc is slidably arranged at the middle end in the sleeve, the device improves and is not convenient for dismantle, and it is more troublesome to change the maintenance, and expend with heat and contract with cold not hard up can not recycle, and sealing performance variation is extravagant cost, the inconvenient regulation problem in position of valve butt joint.

Description

Negative pressure valve with two ends convenient to detach

Technical Field

The application relates to the field of negative pressure valves convenient to detach, in particular to a negative pressure valve convenient to detach at two ends.

Background

The negative pressure valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and has quite various varieties and specifications. The valve can be used for controlling the flow of various types of fluids such as air, water, steam and various corrosive media, such as mud, oil products, liquid metal, radioactive media and the like. Most negative pressure valves of current are not convenient for dismantle, and it is more troublesome to change the maintenance, and not only the waste time and efficiency are lower, and the easy expend with heat and contract with cold of connector is not hard up can not recycle after long-time, and sealing performance variation, extravagant cost, and the inconvenient regulation in position of valve butt joint, the result of use receives the influence.

How to invent a negative pressure valve with two ends convenient to detach to improve the problems becomes a problem to be urgently solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, this application provides a both ends convenient to detach's negative pressure valve, aims at improving the inconvenient dismantlement, and it is more troublesome to change the maintenance, and expend with heat and contract with cold not hard up can not recycle, sealing performance variation, the extravagant cost, the inconvenient regulation problem in position of valve butt joint.

The embodiment of the application provides a negative pressure valve with two convenient-to-detach ends, which comprises a body device and a fixing device.

The body device comprises a valve body, wherein the fixing device comprises an outer disc, a steel ball, an upper rack, an inner disc, a lower rack, a gear, a threaded rod, a sleeve and a fixing disc, the outer disc is fixedly installed on the valve body, the steel ball is rotatably installed between the outer disc and the inner disc, the inner disc is rotatably connected with the outer disc, the upper rack is fixedly installed on the outer disc, the lower rack is fixedly installed on the inner disc, the gear is rotatably installed on the outer disc, the upper rack is meshed with the gear, the lower rack is meshed with the gear, the threaded rod is slidably installed on the outer disc, the threaded rod is threadedly installed on the outer disc, the threaded rod is rotatably connected with the fixing disc, the sleeve is fixedly installed on the inner disc, and the fixing disc is slidably installed at the middle end inside the sleeve.

In the implementation process, the whole valve body is convenient for fluid control, the outer discs are connected and matched with the valve body to achieve the fixing effect of a butt joint, the steel balls are connected with the outer discs and the inner discs in a matched mode, the outer discs and the inner discs can be adjusted in a rotating mode, the upper racks are connected with the outer discs, the lower racks are connected with the inner discs, the outer discs and the inner discs are adjusted in a rotating mode through meshing of gears, the threaded rods are connected and matched with the outer discs, the inner discs and the fixed discs to achieve the effect of shrinking the fixed discs, in the whole use process, the effect of facilitating disassembly and sealing of the whole valve body is achieved, the outer discs are connected with the inner row in a rotating mode to achieve the effect of adjusting hole positions of butt joint positions, and the threaded rods are connected with the outer discs, the inner discs and the fixed discs in a matched mode to achieve the sealing effect of non-fit pipelines.

In a specific embodiment, the valve body is provided with an inlet and an outlet, and the inlet is communicated with the outlet.

In the implementation process, the inlet is matched with the valve body to facilitate the fluid to enter the valve body, and the outlet is matched with the valve body to facilitate the fluid to be discharged from the valve body.

In a specific embodiment, the valve body is provided with a pressure gauge, and the pressure gauge is respectively arranged on one side of the inlet and one side of the outlet.

In the implementation process, the pressure gauge is matched with the valve body to observe the pressure inside the valve body at any time, so that the safety is improved.

In a specific embodiment, an inner groove is formed between the outer disc and the inner disc, and the steel balls are slidably mounted in the inner groove.

In the implementation process, the inner groove is formed between the outer disc and the inner disc and is matched with the steel balls, so that the outer disc and the inner disc can be better adjusted in a rotating mode, the friction resistance is reduced, the damage to instruments is avoided, and the service life is prolonged.

In a specific embodiment, the outer disc is provided with a sliding groove, and the threaded rod is in sliding connection with the sliding groove.

In the implementation process, the sliding groove is matched with the outer disc to enable the threaded rod to slide in the sliding groove, and the purpose of adjusting the position of the inner disc and the outer disc in the rotating process is achieved.

In a specific embodiment, the upper rack and the lower rack are provided with a limiting rod, the limiting rod is fixedly connected to the upper rack, and the limiting rod is fixedly connected to the lower rack.

In the implementation process, the limiting rod is connected with the upper rack and the lower rack in a matched mode, the rotating position of the gear is limited, the gear cannot run out of the position of the upper rack or the position of the lower rack due to excessive rotation, and the function of limiting the position is achieved.

In a specific embodiment, the inner disc is provided with a plurality of through holes and a plurality of screw holes.

In the implementation process, the flow rate of fluid is increased by the cooperation of the through holes and the inner disc, and the fixity and the stability are increased by the cooperation of the screw holes and the inner disc.

In a particular embodiment, the threaded rod is provided with a handle which is fixedly welded to the threaded rod.

In the implementation process, the handle is matched with the threaded rod to achieve the effect of conveniently adjusting the extension of the threaded rod, and the use is convenient.

In a specific embodiment, the fixed disk is provided with a threaded sleeve, the threaded sleeve is fixedly welded on the fixed disk, and the threaded sleeve is rotatably connected with the threaded rod.

In the above-mentioned realization process, the swivel nut is connected the cooperation with the fixed disk and is reached and increase its stability effect, and the swivel nut is connected the cooperation with the threaded rod and is reached the fixed effect of screw rod, increases the stability of its use.

In a specific embodiment, the fixed disk is in for the symmetry setting in the sleeve, the fixed disk is provided with first sealed pad, first sealed pad glue connect in the fixed disk both ends, the fixed disk inner wall is provided with the second and seals up, the second sealed pad glue connect in the fixed disk inner wall.

In the implementation process, the fixing disc is symmetrically arranged to increase the fixing property, the first sealing gasket is connected and matched with the fixing disc to increase the sealing performance of the first sealing gasket, and the second sealing gasket is matched and connected with the fixing disc to increase the sealing effect of the fixing disc and the valve body.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a two-end-detachable negative pressure valve provided by an embodiment of the present application;

fig. 2 is a schematic structural diagram of a body device according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a fixing device according to an embodiment of the present disclosure;

FIG. 4 is a side view of an outer disc structure provided by an embodiment of the present application;

fig. 5 is an enlarged view of fig. 3 a.

In the figure: 100-a body device; 110-a valve body; 111-an inlet; 112-an outlet; 120-pressure gauge; 200-a fixture; 210-an outer disc; 211-an inner tank; 212-steel balls; 213-a chute; 214-a stop lever; 215-upper rack; 220-inner disc; 221-a through hole; 222-screw holes; 223-lower rack; 230-a gear; 240-threaded rod; 241-a handle; 250-a cannula; 260-fixing disc; 261-thread insert; 262-a first gasket; 263-second sealing gasket.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the present application provides a negative pressure valve with two ends being easily detachable, which includes a body device 100 and a fixing device 200.

Referring to fig. 2, the body device 100 includes a valve body 110, the valve body 110 is provided with an inlet 111 and an outlet 112, the inlet 111 and the outlet 112 are communicated to facilitate the fluid to enter and exit, the valve body 110 is provided with a pressure gauge 120, and the pressure gauge 120 is respectively installed at one side of the inlet 111 and one side of the outlet 112, so that the fluid can be observed at any time, and the safety is improved.

Referring to fig. 3, 4 and 5, the fixing device 200 includes an outer disc 210, steel balls 212, an upper rack 215, an inner disc 220, a lower rack 223, a gear 230, a threaded rod 240, a sleeve 250 and a fixing disc 260, the outer disc 210 is fixedly installed on the valve body 110, an inner groove 211 is formed between the outer disc 210 and the inner disc 220, the steel balls 212 are slidably installed in the inner groove 211 to reduce frictional resistance thereof and prevent damage to the apparatus, thereby increasing the service life, the steel balls 212 are rotatably installed between the outer disc 210 and the inner disc 220, the inner disc 220 is rotatably connected with the outer disc 210, the inner disc 220 is provided with a plurality of through holes 221 and screw holes 222, the number of the through holes 221 and the number of the screw holes 222 are increased, thereby increasing the circulation rate and the fixing property, the upper rack 215 is fixedly installed on the outer disc 210, the outer disc 210 is provided with a sliding groove 213, the threaded rod 240 is slidably connected with the sliding groove 213 to facilitate position adjustment, the lower rack 223 is fixedly installed on the inner disc 220, the gear 230 is rotatably installed on the outer disc 210, the upper rack 215 is engaged with the gear 230, the upper rack 215 and the lower rack 223 are provided with a limiting rod 214, the limiting rod 214 is fixedly connected to the upper rack 215, the limiting rod 214 is fixedly connected to the lower rack 223 and plays a role of limiting the position, the lower rack 223 is engaged with the gear 230, the threaded rod 240 is slidably mounted on the outer disk 210, the threaded rod 240 is threadedly mounted on the outer disk 210, the threaded rod 240 is provided with a handle 241, the handle 241 is fixedly welded on the threaded rod 240 and is convenient to adjust and use, the threaded rod 240 is rotatably connected with the fixed disk 260, the sleeve 250 is fixedly mounted on the inner disk 220, the fixed disk 260 is slidably mounted at the middle end inside the sleeve 250, the fixed disk 260 is provided with a threaded sleeve 261, the threaded sleeve 261 is fixedly welded on the fixed disk 260, the threaded sleeve 261 is rotatably connected with the threaded rod 240 to increase the stability of the fixed disk 260, the fixed disk 260 is symmetrically arranged in the sleeve 250, the fixed disk 260 is provided with a first sealing gasket 262, and the first sealing gasket is glued to two ends of the fixed disk 260, the inner wall of the fixed disk 260 is provided with a second sealing gasket 263, and the second sealing gasket 263 is glued to the inner wall of the fixed disk 260, so that the overall sealing effect is improved.

The working principle of the negative pressure valve with the two convenient-to-detach ends is as follows: when the valve body 110 is used and installed, the valve body 110 is communicated with a pipeline, the two outer disks 210 are aligned, the valve body 110 is sealed, the outer disks 210 are rotated, the upper rack 215 rotates along with the outer disks 210 to drive the gear 230 to rotate, the gear 230 rotates to drive the lower rack 223 of the inner disk 220 to move, the threaded rod 240 slides in the sliding groove 213 of the outer disks 210 to calibrate the through hole 221, the screw is screwed and fixed in the screw hole 222 after calibration, the inner disk 220 is fixed with the outer disks 210, the handle 241 is screwed, the handle 241 drives the threaded rod 240 to rotate to move inwards, the fixed disk 260 in the sleeve 250 is tightened, the fixed disks 260 on two sides are sealed in a butt joint mode, the pipeline sleeved with the sleeve 250 is sealed, the installation step is completed, when the valve body is disassembled, the disassembling step can be completed only by screwing the handle 241 to drive the threaded rod 240 to rotate, taking the fixed disk 260 out, and screwing the fixed bolt in the screw hole 222 of the inner disk 220 out, convenient and fast, the device improves and is not convenient for dismantle, and it is more troublesome to change the maintenance, and expend with heat and contract with cold not hard up can not recycle, and sealing performance variation is extravagant cost, the inconvenient regulation problem in position of valve butt joint.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A negative pressure valve with two convenient-to-detach ends is characterized by comprising

A body arrangement (100), the body arrangement (100) comprising a valve body (110);

the fixing device (200) comprises an outer disc (210), steel balls (212), an upper rack (215), an inner disc (220), a lower rack (223), a gear (230), a threaded rod (240), a sleeve (250) and a fixing disc (260), the outer disc (210) is fixedly installed on the valve body (110), the steel balls (212) are rotatably installed between the outer disc (210) and the inner disc (220), the inner disc (220) is rotatably connected with the outer disc (210), the upper rack (215) is fixedly installed on the outer disc (210), the lower rack (223) is fixedly installed on the inner disc (220), the gear (230) is rotatably installed on the outer disc (210), the upper rack (215) is meshed with the gear (230), the lower rack (223) is meshed with the gear (230), and the threaded rod (240) is slidably installed on the outer disc (210), threaded rod (240) threaded mounting with outer dish (210), threaded rod (240) with fixed disk (260) rotate to be connected, sleeve pipe (250) fixed mounting in inner disc (220), fixed disk (260) slidable mounting in the inside middle-end of sleeve pipe (250).

2. The negative pressure valve with two convenient-to-detach ends as claimed in claim 1, wherein the valve body (110) is provided with an inlet (111) and an outlet (112), and the inlet (111) and the outlet (112) are communicated.

3. The negative pressure valve with two convenient ends to detach as claimed in claim 2, wherein the valve body (110) is provided with a pressure gauge (120), and the pressure gauge (120) is respectively installed at one side of the inlet (111) and one side of the outlet (112).

4. The negative pressure valve with two convenient-to-detach ends as claimed in claim 1, wherein an inner groove (211) is formed between the outer disc (210) and the inner disc (220), and the steel balls (212) are slidably mounted in the inner groove (211).

5. The negative pressure valve convenient to detach from both ends is characterized in that the outer disc (210) is provided with a sliding groove (213), and the threaded rod (240) is in sliding connection with the sliding groove (213).

6. The negative pressure valve convenient to disassemble at two ends as claimed in claim 1, wherein the upper rack (215) and the lower rack (223) are provided with a limiting rod (214), the limiting rod (214) is fixedly connected to the upper rack (215), and the limiting rod (214) is fixedly connected to the lower rack (223).

7. The negative pressure valve with two convenient-to-detach ends as claimed in claim 1, wherein the inner disc (220) is provided with a plurality of through holes (221) and a plurality of screw holes (222), and the through holes (221) and the screw holes (222) are provided in plurality.

8. A two-end easy-to-detach negative pressure valve according to claim 1, characterized in that the threaded rod (240) is provided with a handle (241), the handle (241) being fixedly welded to the threaded rod (240).

9. The negative pressure valve convenient to detach from both ends of the valve body as claimed in claim 1, wherein the fixed disk (260) is provided with a threaded sleeve (261), the threaded sleeve (261) is fixedly welded on the fixed disk (260), and the threaded sleeve (261) is rotatably connected with the threaded rod (240).

10. The both ends convenient to detach's of claim 1 negative pressure valve, characterized in that, fixed disk (260) is in for the symmetry setting in sleeve pipe (250), fixed disk (260) are provided with first sealed pad (262), first sealed pad (262) splice in fixed disk (260) both ends, fixed disk (260) inner wall is provided with the sealed pad (263) of second, the sealed pad (263) of second splice in fixed disk (260) inner wall.