CN212745058U

CN212745058U - Baffle type vacuum valve

Info

Publication number: CN212745058U
Application number: CN202021343580.1U
Authority: CN
Inventors: 金永春
Original assignee: Wuxi Yongjing Electronics Co ltd
Current assignee: Wuxi Yongjing Electronics Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-03-19
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a baffle type vacuum valve, which comprises an air cylinder, a power box, a valve body and a base, wherein the bottom of the valve body is fixedly provided with the base, the bottom of the base is articulated with a second fixing nut, the base is fixed at the bottom of the valve body by the second fixing nut, one end inside the valve body is provided with a valve outlet, one end of the valve outlet is welded with a first flange, and the first flange is articulated with a first mounting hole, six first mounting holes are arranged on the first flange, the other end inside the valve body is provided with a valve inlet, the other end of the valve inlet is welded with a second flange, and the second flange is provided with a second mounting hole, the second mounting hole is provided with six second flanges, the utility model discloses a sealing ring is embedded in a connecting port, the sealing ring is sunk into the ladder shape, so that multiple sealing is realized through the ladder, and the aim of good sealing effect is fulfilled.

Description

Baffle type vacuum valve

Technical Field

The utility model relates to the technical field of valves, specifically a baffle formula vacuum valve.

Background

High vacuum flapper valves are used to turn on or off the flow of air in the vacuum line. Suitable media are pure air and non-corrosive gases. The high vacuum baffle valve can be divided into GD-J type rubber shaft seal and GD-J (b) type bellows shaft seal according to the shaft seal structure. According to the conduction mode, GD-J can be in an angle-pass mode, GD-S is in a three-way mode with a pre-pumping opening, but the existing baffle type vacuum valve has many problems or defects:

firstly, the existing baffle type vacuum valve has poor sealing effect and is easy to cause valve leakage;

secondly, the existing flapper vacuum valves can cause the valve to be backed off if the cylinder is out of control;

third, current flapper vacuum valves can cause the valve to be lifted open if power is removed, resulting in a loss of control of the valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a baffle formula vacuum valve is not good in order to solve the sealed effect that proposes in the above-mentioned background art, the cylinder is out of control easily by the purpose of back-off and outage easily by the back-off.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a baffle formula vacuum valve, includes cylinder, headstock, valve body and base, the bottom fixed mounting of valve body has the base, the bottom of base articulates there is second fixation nut, second fixation nut fixes the base in the bottom of valve body, the inside one end of valve body is provided with the valve export, the one end welding of valve export has first ring flange, and articulates on the first ring flange has first mounting hole, first mounting hole is provided with six on first ring flange, the inside other end of valve body is provided with the valve entry, the other end welding of valve entry has the second ring flange, and is provided with the second mounting hole on the second ring flange, the second mounting hole is provided with six on the second ring flange.

Preferably, a first baffle plate is arranged at one end, close to the valve outlet, of the interior of the valve body, a connecting port is welded to the valve inlet, and the connecting port plays a role in ventilation.

Preferably, a sealing ring is embedded in the connecting port and is in a step shape, and the sealing ring plays a sealing role.

Preferably, the top fixed plate is fixedly mounted at the top of the first mounting hole, a first fixing nut is hinged inside the top fixed plate, six first fixing nuts are arranged on the top fixed plate, the top fixed plate is fixed at the top of the valve body by the first fixing nuts, and the top fixed plate plays a role in fixing.

Preferably, the top of top fixed plate has the headstock through screw fixed mounting, and the cylinder has been played through screw fixed mounting in the outside top of headstock, and the cylinder has provided the effect of power.

Preferably, the one end of cylinder articulates there is the connecting rod, and the one end of connecting rod is connected with the valve plate.

Preferably, the valve plate top is connected with the spring all around, the other end at spring top and the inside top interconnect of valve body, and the spring has played the purpose that prevents the valve and has backed down.

Preferably, the central point of the inside of headstock puts to articulate there is the sleeve, and the connecting rod sets up in telescopic inside, and the sleeve outside is provided with the external screw thread, and the sleeve has played spacing effect.

Preferably, there is power motor one side of the inside bottom of headstock through screw fixed mounting, and power motor's one end is connected with the gear through the shaft joint, and the inside bottom of headstock articulates there is the screw thread rotation axis, and the outside of screw thread rotation axis is provided with the turbine, gear and turbine intermeshing, and the sleeve outside and turbine intermeshing, power motor have played the effect of providing power.

Compared with the prior art, the beneficial effects of the utility model are that: the baffle type vacuum valve has reasonable structure and the following advantages:

(1) the purpose of good sealing effect is achieved through the connecting port, the sealing ring and the valve plate, the existing device is poor in sealing effect and leads to water leakage or air leakage in the using process, and therefore when the sealing device is used, the sealing ring is inlaid in the connecting port and sinks to be in a step shape, multiple sealing is achieved through the step, and the purpose of good sealing effect is achieved.

(2) Through being provided with power motor, the sleeve, screw thread rotation axis and gear have realized that the cylinder is out of control and have leaded to the purpose of valve inefficacy, current device is when the cylinder damages, can lead to the valve out of control, therefore, in use, drive the connecting rod when the cylinder, the connecting rod drives the valve plate and presses when linking the interface, through starting power motor, power motor drives the gear and rotates, the gear drives the screw thread rotation axis and rotates, the screw thread rotation axis drives the sleeve and rotates, thereby lead to the sleeve to move down, telescopic one end is pressed on the valve plate, realized carrying out spacing effect to the valve plate, thereby realized preventing the purpose that the valve from pushing up open.

(3) The purpose of preventing the valve from being jacked open by the valve plate and the spring is achieved, the valve is jacked open easily by the existing device after the valve is powered off, and therefore when the valve is used, the valve plate can be tightly pressed on the connecting port due to the effect of spring elasticity after the valve is powered off, and the purpose of preventing the valve plate from being jacked open is achieved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the gear of the present invention;

fig. 3 is a schematic front view of the external structure of the present invention;

fig. 4 is a schematic side view of the first flange of the present invention;

fig. 5 is a schematic top view of the present invention.

In the figure: 1. a power motor; 2. a cylinder; 3. a connecting rod; 4. a power box; 5. a sleeve; 6. a threaded rotating shaft; 7. a first fixing nut; 8. a valve body; 9. a first mounting hole; 10. a first flange plate; 11. a valve outlet; 12. a first baffle plate; 13. a base; 14. a second fixing nut; 15. a valve inlet; 16. a second flange plate; 17. a connecting port; 18. a seal ring; 19. a second mounting hole; 20. a valve plate; 21. a spring; 22. a top fixing plate; 23. a gear.

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. 1-5, the present invention provides an embodiment: a baffle type vacuum valve comprises a cylinder 2, a power box 4, a valve body 8 and a base 13, wherein the base 13 is fixedly installed at the bottom of the valve body 8, a second fixing nut 14 is hinged to the bottom of the base 13, the base 13 is fixed to the bottom of the valve body 8 through the second fixing nut 14, a valve outlet 11 is formed in one end inside the valve body 8, a first flange 10 is welded to one end of the valve outlet 11, a first mounting hole 9 is hinged to the first flange 10, six first mounting holes 9 are formed in the first flange 10, a valve inlet 15 is formed in the other end inside the valve body 8, a second flange 16 is welded to the other end of the valve inlet 15, a second mounting hole 19 is formed in the second flange 16, and six second mounting holes 19 are formed in the second flange 16;

a first baffle plate 12 is arranged at one end of the interior of the valve body 8, which is close to the valve outlet 11, and a connecting port 17 is welded on the valve inlet 15;

a sealing ring 18 is embedded in the connecting port 17, and the sealing ring 18 is in a step shape;

when in use, the sealing ring 18 is embedded in the connecting port 17, the sealing ring 18 sinks to be in a step shape, and multiple sealing is realized through the step, so that the aim of good sealing effect is fulfilled;

a top fixing plate 22 is fixedly installed at the top of the first installation hole 9, first fixing nuts 7 are hinged inside the top fixing plate 22, six first fixing nuts 7 are arranged on the top fixing plate 22, and the top fixing plate 22 is fixed at the top of the valve body 8 through the first fixing nuts 7;

the top of the top fixing plate 22 is fixedly provided with a power box 4 through screws, the top of the outside of the power box 4 is fixedly provided with a cylinder 2 through screws, the model of the cylinder 2 can be J64RT2UNIVER,

one end of the cylinder 2 is hinged with a connecting rod 3, and one end of the connecting rod 3 is connected with a valve plate 20;

the periphery of the top of the valve plate 20 is connected with a spring 21, and the other end of the top of the spring 21 is connected with the top end of the interior of the valve body 8;

when the valve is in use, after the power of the valve is cut off, the valve plate 20 can tightly press the valve plate 20 to the connecting port 17 under the action of the elastic force of the spring 21, so that the aim of preventing the valve plate 20 from being pushed open is fulfilled;

a sleeve 5 is hinged to the center position inside the power box 4, the connecting rod 3 is arranged inside the sleeve 5, and external threads are arranged outside the sleeve 5;

a power motor 1 is fixedly installed on one side of the bottom inside the power box 4 through a screw, the type of the power motor 1 can be Y90S-2, one end of the power motor 1 is connected with a gear 23 through a coupling, a threaded rotating shaft 6 is hinged to the bottom inside the power box 4, a turbine is arranged outside the threaded rotating shaft 6, the gear 23 is meshed with the turbine, and the outside of the sleeve 5 is meshed with the turbine;

during the use, drive connecting rod 3 when cylinder 2, when connecting rod 3 drives valve plate 20 and presses even interface 17, through starting motor power 1, motor power 1 drives gear 23 and rotates, gear 23 drives screw thread rotation axis 6 and rotates, screw thread rotation axis 6 drives sleeve 5 and rotates to lead to sleeve 5 to move down, one end of sleeve 5 is pressed on valve plate 20, has realized carrying out spacing effect to valve plate 20, thereby has realized preventing the purpose that the valve pushed up open.

The working principle is as follows: when the device is used, when the connecting rod 3 is driven by the cylinder 2 and the valve plate 20 is driven by the connecting rod 3 to press the connecting port 17, the power motor 1 is started to drive the gear 23 to rotate, the gear 23 drives the threaded rotating shaft 6 to rotate, the threaded rotating shaft 6 drives the sleeve 5 to rotate, so that the sleeve 5 moves downwards, one end of the sleeve 5 is pressed on the valve plate 20, realized carrying out spacing effect to valve plate 20 to realized preventing the purpose of valve liftout, current device leads to the valve to be backed out easily after the valve outage, consequently, during the use, when the valve outage after, valve plate 20 because the effect of spring 21 elasticity can be tightly be pressed valve plate 20 to connector 17 on, thereby realized preventing that valve plate 20 is backed out the purpose.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a baffler formula vacuum valve, includes cylinder (2), headstock (4), valve body (8) and base (13), its characterized in that: a base (13) is fixedly arranged at the bottom of the valve body (8), a second fixing nut (14) is hinged at the bottom of the base (13), the base (13) is fixed at the bottom of the valve body (8) by the second fixing nut (14), a valve outlet (11) is arranged at one end inside the valve body (8), a first flange plate (10) is welded at one end of the valve outlet (11), and the first flange plate (10) is hinged with six first mounting holes (9), the first flange plate (10) is provided with six first mounting holes (9), the other end of the interior of the valve body (8) is provided with a valve inlet (15), the other end of the valve inlet (15) is welded with a second flange plate (16), and the second flange plate (16) is provided with six second mounting holes (19), and the number of the second mounting holes (19) on the second flange plate (16) is six.

2. A flapper vacuum valve as claimed in claim 1 wherein: a first baffle (12) is arranged at one end, close to the valve outlet (11), of the interior of the valve body (8), and a connecting port (17) is welded on the valve inlet (15).

3. A flapper vacuum valve as claimed in claim 2 wherein: a sealing ring (18) is embedded in the connecting port (17), and the sealing ring (18) is in a step shape.

4. A flapper vacuum valve as claimed in claim 1 wherein: the top fixed mounting of first mounting hole (9) has top fixed plate (22), and the inside of top fixed plate (22) articulates there is first fixation nut (7), and first fixation nut (7) are provided with six on top fixed plate (22), and first fixation nut (7) are fixed top fixed plate (22) at the top of valve body (8).

5. A flapper vacuum valve as claimed in claim 4 wherein: the top of the top fixing plate (22) is fixedly provided with a power box (4) through a screw, and the top of the outer part of the power box (4) is fixedly provided with a cylinder (2) through a screw.

6. A flapper vacuum valve as claimed in claim 5 wherein: one end of the cylinder (2) is hinged with a connecting rod (3), and one end of the connecting rod (3) is connected with a valve plate (20).

7. A flapper vacuum valve as claimed in claim 6 wherein: the valve plate (20) is connected with spring (21) all around at top, the other end and the inside top interconnect of valve body (8) at spring (21) top.

8. A flapper vacuum valve as claimed in claim 5 wherein: the power box is characterized in that a sleeve (5) is hinged to the center position inside the power box (4), the connecting rod (3) is arranged inside the sleeve (5), and an external thread is arranged outside the sleeve (5).

9. A flapper vacuum valve as claimed in claim 5 wherein: one side of the bottom inside the power box (4) is fixedly provided with a power motor (1) through a screw, one end of the power motor (1) is connected with a gear (23) through a coupling, the bottom inside the power box (4) is hinged with a threaded rotating shaft (6), a turbine is arranged outside the threaded rotating shaft (6), the gear (23) is meshed with the turbine, and the sleeve (5) is meshed with the turbine.