CN216430620U

CN216430620U - Vacuum coating equipment excessive pressure overflow protection valve

Info

Publication number: CN216430620U
Application number: CN202122346465.0U
Authority: CN
Inventors: 刘玉杰
Original assignee: Tianjin Tuguan Technology Co ltd
Current assignee: Tianjin Tuguan Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-05-03
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to an overflow valve technical field specifically is a vacuum coating equipment excessive pressure overflow protection valve, including valve body and stop device, the surface rotation of valve body is connected with the adjusting knob, the surface of valve body is equipped with sealed the pad, the position that the valve body surface is close to the adjusting knob is equipped with two stop device, and two stop device are for the central point symmetric distribution of adjusting knob, stop device includes two supporting shoes, the lateral wall and the valve body surface of two supporting shoes are adorned admittedly, valve body and the sealed surface of filling up are equipped with two stop device, and two stop device are for the sealed central point symmetric distribution who fills up, stop device includes the lug, the lateral wall and the sealed lateral wall of packing of lug are adorned admittedly, the position that the valve body surface is close to the lug is adorned admittedly concave block. The utility model discloses, it is spacing only to lean on self to have solved traditional adjusting button, can lead to the overflow valve to be touched the problem that sensitivity changed appears by the mistake when the workman is carelessly rubbed.

Description

Vacuum coating equipment excessive pressure overflow protection valve

Technical Field

The utility model relates to an overflow valve technical field especially relates to a vacuum coating equipment excessive pressure overflow protection valve.

Background

The overflow valve plays a safety protection role in the system, when the pressure of the system exceeds a specified value, the safety valve is jacked open, and a part of gas in the system is discharged into the atmosphere, so that the pressure of the system does not exceed an allowable value, the system is ensured not to have accidents due to overhigh pressure, and the overflow valve needs to be periodically overhauled in order to ensure the use of the overflow valve.

The overflow valve is comparatively important safety guarantee part, all can use in many equipment, for example among the vacuum coating equipment, the overflow valve that mostly uses is the pilot-operated overflow valve, can adjust overflow valve sensitivity through the adjusting knob when using, but traditional adjusting knob only leans on self to carry on spacingly, can lead to the overflow valve to be touched by mistake when the workman is careless to rub and the problem that sensitivity changed appears.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing an overpressure overflow protection valve for vacuum coating equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an overpressure overflow protection valve of vacuum coating equipment comprises a valve body and a blocking device, wherein the surface of the valve body is rotatably connected with an adjusting button, the surface of the valve body is provided with a sealing gasket, the position of the surface of the valve body, which is close to the adjusting button, is provided with two blocking devices, the two blocking devices are symmetrically distributed relative to the central point of the adjusting button and comprise two supporting blocks, the side walls of the two supporting blocks and the surface of the valve body are fixedly installed, a rotating column is fixedly installed at one end, close to each other, of the two supporting blocks, the surface of the rotating column is rotatably connected with a rotating block, a clamping block is fixedly arranged on the surface of the rotating block close to the position of the adjusting button, the outer surface of the clamping block is movably connected with the inner wall of the adjusting button, after the adjusting button is used, the rotating block is rotated to enable the rotating block to rotate on the surface of the rotating column, the rotating block drives the clamping block to rotate, the clamping block rotates to the inner wall of the adjusting button, and the clamping block achieves the effect of limiting the position of the adjusting button.

Preferably, the connecting blocks are fixedly arranged on two sides of the rotating block, the two connecting blocks are symmetrically distributed relative to the central point of the rotating block, the hook block is arranged on the side wall rotating rod of the rotating block, when the rotating block needs to be rotated, the rotating block is driven to rotate by dragging the hook block, and the hook block has the effect of facilitating rotation of the rotating block.

Preferably, the side wall of the connecting block is fixedly provided with a supporting block, the supporting block and the connecting block form a Z-shaped structure, the surface of the rotating block is provided with a round hole, the rotating block is rotatably connected with the rotating column by virtue of the round hole, and the connecting block has the effect of connecting the supporting block and the rotating block together.

Preferably, the position that the valve body surface is close to the supporting shoe is equipped with admittedly and places the piece, the one end that places piece and connecting block and be close to each other is equipped with first spring admittedly, when needs restriction adjusting knob, lets the commentaries on classics piece drive the connecting block earlier and supports the piece and rotate, supports the piece and drives first spring tensile, rotates suitable position after at the adjusting knob, loosens the first spring of commentaries on classics piece and can drive and support piece and connecting block and rotate, and the connecting block drives the commentaries on classics piece and rotates, and first spring has played and has let the commentaries on classics piece pivoted effect.

Preferably, the surface of valve body and sealed pad is equipped with two stop device, and two stop device for sealed central point symmetric distribution of filling up, stop device includes the lug, the lateral wall and the sealed lateral wall of lug are adorned admittedly, the position that the valve body surface is close to the lug is adorned admittedly and is equipped with the concave block, the inner wall and the lug surface sliding connection of concave block, the surface of concave block is equipped with the dog, the dog is located the lug surface, when needs installation valve body, puts sealed pad on the valve body surface earlier, lets sealed lug and the laminating of concave block on filling up, promotes the dog and lets the dog slide to the lug surface, and lug and dog have played the effect of restriction sealed angle of pad and position.

Preferably, the both sides of concave piece all are equipped with the cavity piece admittedly, two the inner wall and the dog surface sliding connection of cavity piece, the both sides of dog all are equipped with the piece that hinders admittedly, can drive the piece that hinders when the dog slides and slide, and the dog slides at cavity piece inner wall, and the setting of piece that hinders has played the effect of restriction dog at cavity piece inner wall position.

Preferably, the standing groove has been seted up on the surface of cavity piece, and the second spring is equipped with admittedly on the inner wall of standing groove and the surface of dog, the lateral wall of dog is equipped with admittedly and draws the piece, draws the piece to accomplish through the pulling when the dog needs to be removed, can drive the second spring and contract when the dog removes, places suitable position back at the lug, loosens the dog second spring and can drive the dog and slide to the lug surface, and the setting of second spring has played the effect of restriction dog position.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model discloses in, through setting up blocking device, when needs rotate the adjusting knob, drag earlier and collude the piece and let collude the piece and drive the commentaries on classics piece and rotate, the commentaries on classics post surface rotation on the supporting shoe of piece, the rotation of commentaries on classics piece has driven the connecting block and has supported the piece rotation, it stretches to drive the first spring of placing on the piece to support the piece, the commentaries on classics piece still can drive the fixture block rotation simultaneously, just can use the adjusting knob after the fixture block is rolled out from the adjusting knob inner wall, after the adjusting knob rotates and finishes, it can drive to support piece and connecting block rotation to loosen the first spring of hook piece, the connecting block drives commentaries on classics piece and fixture block rotation, the commentaries on classics piece can be rotated into the adjusting knob inner wall again, through setting up blocking device, not only can restrict the adjusting knob, can also prevent that the adjusting knob from being touched by the mistake, the effect of restriction commentaries on classics piece and fixture block position has been played in the setting up of first spring.

2. The utility model discloses in, through setting up stop device, when needs are installed the valve body on equipment, drag earlier and draw the piece and let draw the piece to drive the dog and hinder the piece slip, the dog slides at cavity piece inner wall, the slip of dog has still driven the second spring and has contracted, keep away from behind the concave block at the dog, with sealed pad laminating valve body, let sealed lug on filling up put at concave block inner wall, it can drive the dog and slide to loosen drawing a second spring again, the dog slides to and lug laminating position, through setting up stop device, not only can restrict sealed pad position, can also not let sealed askew condition of pasting appear in the pad when the installation, the setting of hindering the piece has played the effect of restriction dog shift position.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an overpressure overflow protection valve of a vacuum coating apparatus of the present invention;

FIG. 2 is a schematic structural view of the over-pressure overflow protection valve of the vacuum coating apparatus shown in FIG. 1;

FIG. 3 is a schematic view of an explosion structure of a blocking device in an overpressure overflow protection valve of a vacuum coating apparatus according to the present invention;

FIG. 4 is a schematic view of the overpressure overflow protection valve of a vacuum coating apparatus according to the present invention;

FIG. 5 is a schematic view of a structure at B of FIG. 4 of an overpressure overflow protection valve of a vacuum coating apparatus of the present invention;

fig. 6 is a schematic view of a part of the structure of the overvoltage overflow protection valve of the vacuum coating equipment of the present invention.

Illustration of the drawings:

1. a valve body; 2. an adjusting knob; 3. a gasket; 4. a blocking device; 41. a support block; 42. turning the column; 43. rotating the block; 44. a clamping block; 45. hooking the block; 46. connecting blocks; 47. a resisting block; 48. placing the blocks; 49. a first spring; 5. a limiting device; 51. a bump; 52. a concave block; 53. a stopper; 54. pulling the block; 55. a hollow block; 56. blocking; 57. a second spring.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a vacuum coating equipment excessive pressure overflow protection valve includes valve body 1 and blocking device 4, the surperficial rotation of valve body 1 is connected with adjusting knob 2, the surface of valve body 1 is equipped with sealed the pad 3, the position that 1 surperficial of valve body is close to adjusting knob 2 is equipped with two blocking device 4, and two blocking device 4 are for the central point symmetric distribution of adjusting knob 2, the surface of valve body 1 and sealed pad 3 is equipped with two stop device 5, and two stop device 5 are for the central point symmetric distribution of sealed pad 3.

The specific arrangement and function of the blocking means 4 and the limiting means 5 will be described in detail below.

In this embodiment: the blocking device 4 comprises two supporting blocks 41, the side walls of the two supporting blocks 41 and the surface of the valve body 1 are fixedly installed, a rotary column 42 is fixedly installed at one end, close to each other, of the two supporting blocks 41, a rotary block 43 is connected to the surface of the rotary column 42 in a rotating mode, a clamping block 44 is fixedly installed at the position, close to the adjusting button 2, of the surface of the rotary block 43, the outer surface of the clamping block 44 is movably connected with the inner wall of the adjusting button 2, after the adjusting button 2 is used, the rotary block 43 is rotated to enable the rotary block 43 to rotate on the surface of the rotary column 42, the rotary block 43 rotates to drive the clamping block 44 to rotate, the clamping block 44 rotates to the inner wall of the adjusting button 2, and the clamping block 44 achieves the effect of limiting the position of the adjusting button 2.

Concretely, the connecting blocks 46 are fixedly arranged on the two sides of the rotating block 43, the two connecting blocks 46 are symmetrically distributed relative to the central point of the rotating block 43, the hook block 45 is arranged on the side wall rotating rod of the rotating block 43, when the rotating block 43 needs to be rotated, the rotating block 43 is driven to rotate by dragging the hook block 45, and the hook block 45 has the effect of facilitating the rotation of the rotating block 43.

Specifically, the side wall of the connecting block 46 is fixedly provided with the abutting block 47, the abutting block 47 and the connecting block 46 form a Z-shaped structure, the surface of the rotating block 43 is provided with a round hole, the rotating block 43 is rotatably connected with the rotating column 42 by virtue of the round hole, and the connecting block 46 is arranged to achieve the effect of connecting the abutting block 47 and the rotating block 43 together.

Specifically, a placing block 48 is fixedly arranged on the surface of the valve body 1 close to the supporting block 41, and a first spring 49 is fixedly arranged at one end of the placing block 48 close to the connecting block 46.

In this embodiment: when needing restriction adjusting knob 2, let earlier change piece 43 drive connecting block 46 and support the piece 47 and rotate, support the piece 47 and drive first spring 49 and stretch, after adjusting knob 2 rotated suitable position, unclamp the first spring 49 of change piece 43 and can drive and support piece 47 and connecting block 46 and rotate, connecting block 46 drives and changes the piece 43 and rotate, and first spring 49 has played and has let change piece 43 pivoted effect.

In this embodiment: stop device 5 includes lug 51, the lateral wall of lug 51 and sealed 3 lateral wall are adorned admittedly, valve body 1 surface is equipped with concave block 52 near the position of lug 51 admittedly, the inner wall of concave block 52 and the surperficial sliding connection of lug 51, the surface of concave block 52 is equipped with dog 53, dog 53 is located the lug 51 surface, when needing to install valve body 1, earlier sealed 3 is put on valve body 1 surface, let lug 51 and concave block 52 on sealed 3 laminate, promote dog 53 and let dog 53 slide to the lug 51 surface, lug 51 and dog 53 have played the effect of restriction sealed 3 angle and position.

Specifically, hollow blocks 55 are fixedly mounted on two sides of the concave block 52, inner walls of the two hollow blocks 55 are slidably connected with outer surfaces of the stop blocks 53, and stop blocks 56 are fixedly mounted on two sides of the stop blocks 53.

In this embodiment: when the stop block 53 slides, the stop block 56 is driven to slide, the stop block 53 slides on the inner wall of the hollow block 55, and the arrangement of the stop block 56 has the effect of limiting the position of the stop block 53 on the inner wall of the hollow block 55.

Specifically, a placing groove is formed in the surface of the hollow block 55, a second spring 57 is fixedly mounted on the inner wall of the placing groove and the surface of the stop block 53, and a pull block 54 is fixedly mounted on the side wall of the stop block 53.

In this embodiment: when the stopper 53 needs to be moved, the pulling block 54 is pulled to complete the movement, the second spring 57 is driven to contract when the stopper 53 moves, after the lug 51 is placed at a proper position, the second spring 57 drives the stopper 53 to slide on the surface of the lug 51 by loosening the stopper 53, and the arrangement of the second spring 57 has the effect of limiting the position of the stopper 53.

The working principle is as follows: when the adjusting knob 2 needs to be rotated, the hook block 45 is firstly pulled to enable the hook block 45 to drive the rotating block 43 to rotate, the rotating block 43 rotates on the surface of the rotating column 42 on the supporting block 41, the rotating block 43 rotates to drive the connecting block 46 and the resisting block 47 to rotate, the resisting block 47 drives the first spring 49 on the placing block 48 to stretch, meanwhile, the rotating block 43 can drive the fixture block 44 to rotate, the adjusting knob 2 can be used after the fixture block 44 rotates out of the inner wall of the adjusting knob 2, after the adjusting knob 2 rotates, the first spring 49 of the hook block is loosened to drive the resisting block 47 and the connecting block 46 to rotate, the connecting block 46 drives the rotating block 43 and the fixture block 44 to rotate, the rotating block 43 can rotate into the inner wall of the adjusting knob 2 again, the adjusting knob 2 can be limited by arranging the blocking device 4, the mistaken touch of the adjusting knob 2 can be prevented, the arrangement of the first spring 49 plays a role in limiting the positions of the rotating block 43 and the fixture block 44, when the valve body 1 needs to be installed on the equipment, drag earlier and draw piece 54 and let draw piece 54 and drive dog 53 and hinder piece 56 and slide, dog 53 slides at cavity piece 55 inner wall, dog 53's slip has still driven second spring 57 and has contracted, keep away from concave piece 52 at dog 53 after, with sealed 3 laminating valve body 1 of filling up, make sealed lug 51 on 3 put at concave piece 52 inner wall, loosen again and draw piece 54 second spring 57 can drive dog 53 and slide, dog 53 slides to and lug 51 laminating position, through setting up stop device 5, not only can restrict sealed 3 position, can also not let sealed 3 the askew condition of pasting appear when the installation, the setting of hindering piece 56 has played the effect of restriction dog 53 shift position.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a vacuum coating equipment excessive pressure overflow protection valve, includes valve body (1) and blocking device (4), its characterized in that: the surface of the valve body (1) is rotatably connected with an adjusting button (2), a sealing gasket (3) is arranged on the surface of the valve body (1), two blocking devices (4) are arranged at positions, close to the adjusting button (2), on the surface of the valve body (1), the two blocking devices (4) are symmetrically distributed relative to the central point of the adjusting button (2), each blocking device (4) comprises two supporting blocks (41), the side wall of each supporting block (41) and the surface of the valve body (1) are fixedly installed, a rotating column (42) is fixedly installed at one end, close to each other, of each supporting block (41), a rotating block (43) is rotatably connected to the surface of each rotating column (42), a clamping block (44) is fixedly installed at a position, close to the adjusting button (2), on the surface of the rotating block (43), and the outer surface of the clamping block (44) is movably connected with the inner wall of the adjusting button (2).

2. The vacuum coating equipment overpressure overflow protection valve of claim 1, wherein: the connecting blocks (46) are fixedly arranged on two sides of the rotating block (43), the two connecting blocks (46) are symmetrically distributed relative to the central point of the rotating block (43), and a hook block (45) is arranged on a rotating rod on the side wall of the rotating block (43).

3. The vacuum coating equipment overpressure overflow protection valve of claim 2, wherein: the side wall of the connecting block (46) is fixedly provided with a resisting block (47), the resisting block (47) and the connecting block (46) form a Z-shaped structure, a round hole is formed in the surface of the rotating block (43), and the rotating block (43) is rotatably connected with the rotating column (42) by means of the round hole.

4. The vacuum coating equipment overpressure overflow protection valve of claim 3, wherein: a placing block (48) is fixedly arranged on the surface of the valve body (1) close to the supporting block (41), and a first spring (49) is fixedly arranged at one end, close to each other, of the placing block (48) and the connecting block (46).

5. The vacuum coating equipment overpressure overflow protection valve of claim 1, wherein: the surface of the valve body (1) and the sealing gasket (3) is provided with two limiting devices (5), the two limiting devices (5) are symmetrically distributed relative to the central point of the sealing gasket (3), each limiting device (5) comprises a convex block (51), the side wall of each convex block (51) and the side wall of the sealing gasket (3) are fixedly installed, a concave block (52) is fixedly installed at the position, close to the convex block (51), of the surface of the valve body (1), the inner wall of each concave block (52) is connected with the outer surface of each convex block (51) in a sliding mode, a stop block (53) is arranged on the surface of each concave block (52), and the stop block (53) is located on the surface of each convex block (51).

6. The vacuum coating equipment overpressure overflow protection valve of claim 5, wherein: the two sides of the concave block (52) are fixedly provided with hollow blocks (55), the inner walls of the hollow blocks (55) are connected with the outer surface of the stop block (53) in a sliding manner, and the two sides of the stop block (53) are fixedly provided with stop blocks (56).

7. The vacuum coating equipment overpressure overflow protection valve of claim 6, wherein: the surface of the hollow block (55) is provided with a placing groove, the inner wall of the placing groove and the surface of the stop block (53) are fixedly provided with a second spring (57), and the side wall of the stop block (53) is fixedly provided with a pull block (54).