Vacuum valve capable of being installed at multiple angles

Abstract

The utility model relates to the technical field of vacuum valves, and particularly discloses a vacuum valve capable of being installed at multiple angles, which comprises a valve body and a valve rod located in the valve body and matched with the valve body, a valve plate is arranged in the valve body, the lower end of the valve rod is fixedly connected with the valve plate, and a supporting mechanism is arranged between the valve rod and the valve body. A limiting mechanism is arranged between the valve body and the valve plate, the valve plate is limited and guided through a plurality of limiting rods, the axis of the valve plate and the axis of the valve rod are always kept on the same line, then the valve plate is not prone to shaking during moving, meanwhile, two lantern rings and a plurality of supporting rods are matched with each other, the valve rod is supported and limited, and therefore the stability of the valve plate is improved. According to the vacuum valve, the valve rod can be prevented from deforming, then through mutual cooperation of the multiple limiting rods, the two lantern rings and the multiple supporting rods, the valve plate can be prevented from shaking when the vacuum valve is obliquely installed, and the air leakage phenomenon between the valve plate and the valve body is effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum valve technical field, specifically disclose a vacuum valve of multi -angle installation can. BACKGROUND

[0002] Valve is in fluid system, used for controlling the direction of fluid, pressure, flow device, is the medium (liquid, gas, powder) in the pipe and equipment flow or stop and can control its flow device, wherein, vacuum valve refers to in vacuum system, used for changing airflow direction, adjust the size of air flow, cut off or connect the vacuum system element of pipeline, vacuum valve closing piece is sealed with rubber seal ring or metal seal ring.

[0003] In actual application, large baffle valve adopts vertical installation mode to install, but according to actual needs, baffle valve needs to be installed obliquely, such as the diameter of 1.8m large baffle valve is obliquely installed, due to the weight of valve plate inside the valve body, the valve plate can reach about 1 ton, the stroke of valve plate is 1.3m, in actual production, due to the difficulty of processing inside the valve body, the gap between valve plate and valve body, the weight of valve plate itself is large when valve rod pushes valve plate to move, and the gap between valve plate and valve body, valve plate shakes easily when moving, so that the valve rod is prone to bending deformation, so that the sealing ring on the valve plate cannot contact the sealing ring installed on the valve seat after the valve rod moves, or the valve plate slightly inclines due to the deformation and bending of the valve rod, so that the sealing ring on the valve plate cannot tightly contact the sealing ring on the valve seat, and air leakage occurs. Utility model content

[0004] The utility model provides a vacuum valve of multi -angle installation can, can install with a plurality of different angles, the valve plate does not shake in the running process of installed valve, simultaneously, the valve rod also cannot occur deformation, effectively avoids the air leakage phenomenon between valve plate and valve body.

[0005] The utility model is such implementation, a vacuum valve of multi -angle installation can, including valve body and being located inside valve body and with valve body matched valve rod, the inside of valve body is provided with valve plate, the lower extreme of valve rod is fixedly connected with valve plate, is provided with support mechanism between valve rod and valve body, is provided with limit mechanism between valve body and valve plate;

[0006] The support mechanism comprises two sleeves distributed on the outer wall of the valve rod, the outer wall of each of the two sleeves is fixedly connected with a plurality of arrayed support rods, and the other end of each of the plurality of support rods is slidably connected with the inner wall of the valve body.

[0007] The limiting mechanism comprises a plurality of limiting rods fixedly connected with the valve body, the plurality of limiting rods are arrayed and slidably connected with the valve plate.

[0008] Preferably, a plurality of arrayed multi-stage telescopic rods are installed between the two sleeves, between the upper sleeve and the upper end of the inner wall of the valve body, and between the lower sleeve and the upper end surface of the valve plate.

[0009] Preferably, the lower end surface of the valve body and the outer wall of the valve body are both communicated with a connecting pipeline, and the outer wall of each of the two connecting pipelines is fixedly connected with a flange.

[0010] Preferably, the support rods and the valve body are slidably connected through trapezoidal limiting sliding blocks.

[0011] Preferably, the inner lower end of the valve body is fixedly connected with a sealing strip ring abutting against the valve plate.

[0012] Preferably, the sealing strip ring is made of oxygen-free copper.

[0013] Preferably, the sealing strip ring is located between the plurality of limiting rods.

[0014] The utility model discloses the beneficial effects are:

[0015] The plurality of limiting rods are used for limiting and guiding the valve plate, so that the axis of the valve plate and the axis of the valve rod are always kept in a line, thereby preventing the valve plate from shaking when moving, and the valve rod is supported and limited through the cooperation between the two sleeves and the plurality of support rods, so that the deformation of the valve rod is prevented, and the cooperation between the plurality of limiting rods, the two sleeves and the plurality of support rods can prevent the valve plate from shaking when the vacuum valve is installed at an angle, and effectively prevent the leakage between the valve plate and the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the specific embodiments or the prior art description will be briefly introduced as follows. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0017] Figure 1 It is a whole structure schematic view of the present application.

[0018] Figure 2 It is a front view sectional structure schematic view of the present application.

[0019] Figure 3 It is a top view sectional structure schematic view of the present application.

[0020] Figure 4 It is a sleeve ring three-dimensional structure schematic view of the present application.

[0021] In the drawing, 1, valve body; 2, valve rod; 3, valve plate; 4, sleeve ring; 5, support rod; 6, limiting rod; 7, multi-stage telescopic rod; 8, connecting pipeline; 9, flange; 10, sealing strip ring. Specific embodiments

[0022] The present application will be further described below in conjunction with the drawings and specific embodiments, so as to help understanding the content of the present application. The methods used in the present application are conventional methods unless otherwise specified; the raw materials and devices used are conventional commercially available products unless otherwise specified.

[0023] Please refer to Figures 1-4 A vacuum valve capable of being installed at multiple angles, comprising a valve body 1 and a valve rod 2 located inside the valve body 1 and matched with the valve body 1, the inside of the valve body 1 is provided with a valve plate 3, the lower end of the valve rod 2 is fixedly connected with the valve plate 3, a supporting mechanism is arranged between the valve rod 2 and the valve body 1, and a limiting mechanism is arranged between the valve body 1 and the valve plate 3.

[0024] The supporting mechanism comprises two sleeve rings 4 sleeved on the outer wall of the valve rod 2 and distributed up and down, the outer wall of each of the two sleeve rings 4 is fixedly connected with a plurality of arrayed support rods 5, and the other end of each of the plurality of support rods 5 is slidably connected with the inner wall of the valve body 1.

[0025] The limiting mechanism comprises a plurality of limiting rods 6 fixedly connected inside the valve body 1, the plurality of limiting rods 6 are arrayed and slidably connected with the valve plate 3.

[0026] In the embodiment, when the valve rod 2 pushes the valve plate 3 to move, the valve plate 3 slides on the plurality of limiting rods 6, the plurality of limiting rods 6 limit and guide the valve plate 3, the axis of the valve plate 3 and the axis of the valve rod 2 are kept on a line, and the valve plate 3 is not easy to shake when moving; meanwhile, the valve plate 3 cooperates with the plurality of multi-stage telescopic rods 7 to uniformly spread the two collars 4, the two collars 4 and the plurality of supporting rods 5 cooperate to support and limit the valve rod 2, the valve rod 2 is prevented from deforming, the plurality of limiting rods 6, the two collars 4 and the plurality of supporting rods 5 cooperate to prevent the valve plate 3 from shaking when the vacuum valve is installed obliquely, and the air leakage between the valve plate 3 and the valve body 1 is effectively avoided.

[0027] As a technical optimization scheme of the utility model, a plurality of array distribution multi-stage telescopic rods 7 are installed between the two collars 4, between the upper collar 4 and the inner upper end of the valve body 1, and between the lower collar 4 and the upper end surface of the valve plate 3.

[0028] In the embodiment, the plurality of multi-stage telescopic rods 7 can uniformly spread the two collars 4 to effectively support the valve rod 2.

[0029] As a technical optimization scheme of the utility model, the lower end surface of the valve body 1 and the outer wall of the valve body 1 are communicated with connecting pipelines 8, and the outer walls of the two connecting pipelines 8 are fixedly connected with flanges 9 at the other ends.

[0030] In the embodiment, the flanges 9 facilitate the connection of external pipelines with the two connecting pipelines 8.

[0031] As a technical optimization scheme of the utility model, the plurality of supporting rods 5 and the valve body 1 are connected through trapezoidal limiting sliding blocks.

[0032] In the embodiment, the trapezoidal limiting sliding blocks can limit the supporting rods 5 to move stably.

[0033] As a technical optimization scheme of the utility model, the inner lower end of the valve body 1 is fixedly connected with a sealing strip ring 10 abutting against the valve plate 3.

[0034] In the embodiment, the sealing strip ring 10 can seal between the valve plate 3 and the valve body 1.

[0035] As a technical optimization scheme of the utility model, the sealing strip ring 10 is made of oxygen-free copper.

[0036] In the embodiment, the sealing strip ring 10 is made of oxygen-free copper, which has good plastic deformation capacity and can effectively seal in a vacuum environment.

[0037] As a technical optimization scheme of the utility model, the sealing strip ring 10 is located between the plurality of limiting rods 6.

[0038] In the embodiment: the sealing strip ring 10 is located between the plurality of limiting rods 6, which can prevent gas from leaking from the gap between the valve plate 3 and the plurality of limiting rods 6.

[0039] The working principle and use process of the utility model: two connecting pipelines 8 are connected with external pipelines through flanges 9, the vacuum valve is installed, the vacuum valve is installed obliquely, and when it is used, the valve rod 2 pushes the valve plate 3 to move, in the moving process, the valve plate 3 slides on the plurality of limiting rods 6, the plurality of limiting rods 6 limit and guide the valve plate 3, so that the axis of the valve plate 3 and the axis of the valve rod 2 always keep in a line, thereby the valve plate 3 is not easy to shake when moving, at the same time, in the moving process of the valve plate 3, the valve plate 3 cooperates with the plurality of multi-stage telescopic rods 7 to make the two sleeve rings 4 evenly spread, through the cooperation between the two sleeve rings 4 and the plurality of supporting rods 5, the valve rod 2 is supported and limited, which can prevent the valve rod 2 from deforming, and through the cooperation between the plurality of limiting rods 6, the two sleeve rings 4 and the plurality of supporting rods 5, the valve plate 3 can be prevented from shaking when the vacuum valve is installed obliquely, and the air leakage phenomenon between the valve plate 3 and the valve body 1 is effectively avoided.

[0040] In the description of the utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0041] The above-mentioned is only a specific embodiment of the utility model, which cannot limit the scope of the utility model, so the replacement of equivalent components or equivalent changes and modifications made according to the patent protection range of the utility model should still belong to the scope covered by the claims of the utility model.

Claims

1. A multi-angle installable vacuum valve comprising a valve body (1) and a valve stem (2) located inside the valve body (1) and matching the valve body (1), characterized in that: The inside of the valve body (1) is provided with a valve plate (3), the lower end of the valve rod (2) is fixedly connected with the valve plate (3), a supporting mechanism is arranged between the valve rod (2) and the valve body (1), and a limiting mechanism is arranged between the valve body (1) and the valve plate (3); The supporting mechanism comprises two sleeve rings (4) which are sleeved on the outer wall of the valve rod (2) and are distributed upwards and downwards, the outer wall of each of the two sleeve rings (4) is fixedly connected with a plurality of arrayed supporting rods (5), and the other end of each of the plurality of supporting rods (5) is slidably connected with the inner wall of the valve body (1); The limiting mechanism comprises a plurality of limiting rods (6) which are fixedly connected to the inside of the valve body (1), the plurality of limiting rods (6) are arrayed and slidably connected with the valve plate (3).

2. The multi-angle mountable vacuum valve of claim 1, wherein: A plurality of multistage telescopic rods (7) are arranged between the two sleeve rings (4), between the upper sleeve ring (4) and the upper end of the inside of the valve body (1), and between the lower sleeve ring (4) and the upper end surface of the valve plate (3).

3. The multi-angle mountable vacuum valve of claim 1, wherein: The lower end surface of the valve body (1) and the outer wall of the valve body (1) are both communicated with a connecting pipeline (8), and the outer wall of the other end of each of the two connecting pipelines (8) is fixedly connected with a flange (9).

4. The multi-angle mountable vacuum valve of claim 1, wherein: The plurality of supporting rods (5) and the valve body (1) are slidably connected through trapezoidal limiting sliding blocks.

5. The multi-angle mountable vacuum valve of claim 1, wherein: The inside of the lower end of the valve body (1) is fixedly connected with a sealing strip ring (10) which abuts against the valve plate (3).

6. A multi-angle mountable vacuum valve according to claim 5, characterized in that: The material of the sealing strip ring (10) is oxygen-free copper.

7. The multi-angle mountable vacuum valve of claim 5, wherein: The sealing strip ring (10) is located between the plurality of limiting rods (6).

Images