CN221075263U

CN221075263U - Vacuum baffle valve

Info

Publication number: CN221075263U
Application number: CN202323226538.8U
Authority: CN
Inventors: 雷选刚
Original assignee: Guizhou Honglei Vacuum Technology Co ltd
Current assignee: Guizhou Honglei Vacuum Technology Co ltd
Priority date: 2023-11-28
Filing date: 2023-11-28
Publication date: 2024-06-04
Anticipated expiration: 2033-11-28

Abstract

The utility model discloses a vacuum baffle valve which comprises a valve body, a valve cover, a handle, an adjusting rod and a valve core, wherein an inlet runner and an outlet runner are formed in the valve body, the valve cover is arranged on the valve body, one end of the adjusting rod is connected with the handle and arranged in the valve body, the valve core is connected to the adjusting rod, a forward screw rod and a reverse screw sleeve are arranged on the adjusting rod, a nut matched with a left-hand screw rod is arranged on the handle, the valve core is arranged in a spring shape, a reverse screw rod matched with the reverse screw sleeve is arranged in the valve core, and the reverse screw rod and the reverse screw sleeve are screwed and matched to form linkage connection.

Description

Vacuum baffle valve

Technical Field

The utility model relates to the technical field of valve correlation, in particular to a vacuum baffle valve.

Background

Vacuum valves are elements in a vacuum system that regulate the flow of air, and shut off or connect lines. The vacuum baffle valve takes compressed air as power, the direction of a gas path is changed through an electromagnetic reversing valve, and a cylinder is used for driving the baffle valve to open and close; when the existing vacuum baffle valve is used, the valve core is controlled to open and close by the aid of the movable control valve which is lifted up and down by the aid of the adjusting rod, the structure is not suitable for places with narrow installation environments, limiting conditions of adjusting distance of the adjusting rod can be formed, and opening and closing of the valve are affected.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model aims to provide the vacuum baffle valve, so that the regulating rod can be positioned and regulated, and the regulating rod does not need to lift and move when the valve is opened and closed, thereby greatly reducing the moving space of the regulating rod.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vacuum baffle valve, includes valve body, valve gap, handle, regulation pole and case, inlet runner and outlet runner have been seted up on the valve body, the valve gap is installed on the valve body, it sets up in the valve body to adjust pole one end connection handle, the case is connected on adjusting the pole, be provided with positive screw rod and anti-spiral screw sleeve on adjusting the pole, be provided with the nut with the looks adaptation of left-hand screw rod on the handle, the case is the spring shape setting, be provided with the anti-spiral screw rod with the looks adaptation of anti-spiral screw sleeve in the case.

Preferably, a first mounting groove is formed in the handle, a rectangular through hole is formed in the first mounting groove, a rectangular limit column matched with the rectangular through hole is arranged between the forward rotation screw rod and the reverse rotation screw sleeve, the forward rotation screw rod passes through the rectangular through hole and is arranged in the first mounting groove, a screw cap is arranged in the first mounting groove and screwed on the forward rotation screw rod, and a first gasket is clamped between the screw cap and the rectangular through hole.

Preferably, the valve cover is provided with a second mounting groove, the valve body is provided with a third mounting groove corresponding to the second mounting groove, the anti-rotation screw sleeve is arranged in the second mounting groove and the third mounting groove, the second mounting groove is provided with a positioning hole towards one side of the rectangular through hole, and the positioning hole is provided with a clamping ring.

Preferably, the valve gap has seted up first spacing groove towards valve body one side, install the bearing frame in the first spacing groove, be provided with annular step on the first spacing groove and support tightly in bearing frame one side, the bearing frame cover is established on the anti-spiral shell cover outer peripheral face, first spacing groove opening part is provided with the screw inner wall, be provided with the installation cutting ferrule with screw inner wall looks adaptation on the valve gap, two dismouting openings have been seted up on the installation cutting ferrule.

Preferably, a positioning flange is arranged on the valve core, and a positioning groove matched with the positioning flange is formed in the opening of the third mounting groove.

Preferably, an installation cavity is formed in the valve core, and the counter-rotating screw is arranged in the installation cavity.

Preferably, an annular groove is formed in one side, facing the inlet flow passage, of the valve core, and an annular sealing ring is embedded in the annular groove.

Preferably, a positioning step is arranged at the opening of the first mounting groove, an anti-theft buckle is mounted on the positioning step, and the anti-theft buckle is clamped on the positioning step.

Preferably, an exhaust hole communicated with the inner wall is formed in the outer circumferential surface of the anti-rotation screw sleeve and positioned on one side of the mounting clamping sleeve.

The beneficial effects of the utility model are as follows: the positive screw rod of adjusting the pole is connected with the handle to screw fixedly through the nut, offer rectangle through-hole and the spacing card of rectangle spacing cylindric on adjusting the pole simultaneously on the handle, the handle can control to adjust clockwise and anticlockwise rotation of pole and do not go out the lift action, the other end of adjusting the pole is in the same place through being the counter-rotating swivel nut on with the case this moment, the exhaust hole of seting up simultaneously can prevent to produce vacuum pressure between counter-rotating swivel nut and the positive screw rod, the one end of case presss from both sides tightly and forms the support between valve body and the valve gap during the installation, when the handle clockwise and anticlockwise rotation, the case is rotatory in the marvelous and is formed and is opened and close the operation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a cross-sectional view of an adjustment lever of the present utility model;

fig. 4 is a cross-sectional view of a valve cartridge of the present utility model.

In the figure: 1. a valve body; 2. a valve cover; 3. a handle; 4. an adjusting rod; 5. a valve core; 8. an inlet flow passage; 9. an outlet flow passage; 10. a positive rotation screw; 11. a reverse rotation screw sleeve; 12. a screw cap; 13. a counter-rotating screw; 14. a first mounting groove; 15. rectangular through holes; 16. rectangular limit posts; 17. a first gasket; 18. a second mounting groove; 19. a third mounting groove; 20. positioning holes; 21. a clasp; 22. a first limit groove; 23. a bearing seat; 24. positioning the flange; 25. a positioning groove; 26. a mounting cavity; 27. an annular groove; 28. an annular seal ring; 29. positioning the step; 30. anti-theft buckle; 60. an annular step; 61. a threaded inner wall; 62. installing a clamping sleeve; 63. disassembling and assembling the opening; 81. and an exhaust hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the vacuum baffle valve comprises a valve body 1, a valve cover 2, a handle 3, an adjusting rod 4 and a valve core 5, wherein an inlet runner 8 and an outlet runner 9 are formed in the valve body 1, the valve cover 2 is installed on the valve body 1, one end of the adjusting rod 4 is connected with the handle 3 and arranged in the valve body 1, the valve core 5 is connected to the adjusting rod 4, a forward rotating screw rod 10 and a reverse rotating screw sleeve 11 are arranged on the adjusting rod 4, a nut 12 matched with the left rotating screw rod is arranged on the handle 3, the valve core 5 is arranged in a spring shape, a reverse rotating screw rod 13 matched with the reverse rotating screw sleeve 11 is arranged in the valve core 5, the forward rotating screw rod 10 of the adjusting rod 4 is connected with the handle 3 and screwed and fixed through the nut 12, meanwhile, a rectangular through hole 15 is formed in the handle 3 and a rectangular limit column 16 on the adjusting rod 4 is in limit clamping fit, the handle 3 can control the adjusting rod 4 to rotate clockwise and anticlockwise and does not perform lifting motion, at the moment, the other end of the adjusting rod 4 is connected with the reverse rotating screw rod 13 on the valve core 5 through the reverse rotating screw sleeve 11 and the reverse rotating screw rod 13, when the valve core 5 is connected with the reverse rotating screw rod 13, the valve core 5 is installed together, and the valve core 5 is clamped between the valve core and the valve body is clamped and the valve body is in a clockwise rotating state, and the valve core is formed, and the valve core is rotated between the valve core is in a clockwise when the valve core is formed and the valve core is in a state.

As shown in fig. 2, the handle 3 is provided with a first mounting groove 14, a rectangular through hole 15 is formed in the first mounting groove 14, a rectangular limit post 16 (as an integral structure) adapted to the rectangular through hole 15 is arranged between the forward screw 10 and the reverse screw 11, the forward screw 10 passes through the rectangular through hole 15 and is arranged in the first mounting groove 14, the nut 12 is arranged in the first mounting groove 14 and screwed on the forward screw 10, a first gasket 17 is clamped between the nut 12 and the rectangular through hole 15, one end of the adjusting rod 4 is limited and locked in the first mounting groove 14 of the handle 3 by the nut 12, and the handle 3 is mutually limited and clamped by the rectangular limit post 16 on the adjusting rod 4 through the rectangular through hole 15 to form a limiting rotation fit.

As shown in fig. 2, the valve cover 2 is provided with a second mounting groove 18, the valve body 1 is provided with a third mounting groove 19 corresponding to the second mounting groove 18, the anti-rotation screw sleeve 11 is mounted in the second mounting groove 18 and the third mounting groove 19, the second mounting groove 18 is provided with a positioning hole 20 towards one side of the rectangular through hole 15, the positioning hole 20 is provided with a clamping ring 21 in a clamping manner, the rotation of the anti-rotation screw sleeve 11 is stabilized by the second mounting groove 18 and the third mounting groove 19, and the clamping ring 21 is clamped on the positioning hole 20, so that the connecting end of the opening can be stabilized.

As shown in fig. 2, a first limit groove 22 is formed in one side of the valve cover 2, facing the valve body 1, a bearing seat 23 (specifically, a rolling bearing) is installed in the first limit groove 22, an annular step 60 is arranged on the first limit groove 22 and abuts against one side of the bearing seat 23, the bearing seat 23 is sleeved on the outer peripheral surface of the anti-rotation screw sleeve 11, a threaded inner wall 61 is arranged at an opening of the first limit groove 22, an installation clamping sleeve 62 matched with the threaded inner wall 61 is arranged on the valve cover 2, two dismounting openings 63 are formed in the installation clamping sleeve 62, the rotation performance of the anti-rotation screw sleeve 11 is improved, and the response effect of the valve during opening and closing is improved.

As shown in fig. 2, the valve core 5 is provided with a positioning flange 24 (as an integral structure), and the opening of the third mounting groove 19 is provided with a positioning groove 25 adapted to the positioning flange, and the valve core 5 can be stably supported in the positioning groove 25 by using the positioning flange 24, so that the valve core 5 can be conveniently telescopic.

As shown in fig. 2, the valve core 5 is provided with an installation cavity 26, the counter-rotating screw 13 is disposed in the installation cavity 26 (as an integral structure), the installation cavity 26 is provided to promote the expansion effect of the valve core 5, and the counter-rotating screw 13 can be used to stably control the valve core 5 to perform the opening and closing operation.

As shown in fig. 2, an annular groove 27 is formed on one side of the valve core 5 facing the inlet flow passage 8, an annular sealing ring 28 (made of rubber) is embedded in the annular groove 27, and the tightness between the valve core 5 and the inlet flow passage 8 is improved when the valve core is closed.

As shown in fig. 2, a positioning step 29 is disposed at the opening of the first mounting groove 14, an anti-theft buckle 30 (specifically made of plastic material and fastened by interference) is mounted on the positioning step 29, the anti-theft buckle 30 is fastened on the positioning step 29, and the anti-theft buckle 30 is embedded on the positioning step 29 of the first mounting groove 14 after the product is assembled, so that the product can be prevented from being maliciously disassembled and returned after being sold.

As shown in fig. 2, an exhaust hole 81 communicated with the inner wall is formed on the outer circumferential surface of the anti-rotation screw sleeve 11 and positioned at one side of the mounting clamping sleeve 62, so that vacuum pressure is generated in operation after the anti-rotation screw sleeve 11 is connected and matched with the positive rotation screw 10, and the exhaust hole 81 is formed to have the functions of exhausting air and releasing pressure.

In the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. refer to an orientation or a positional relationship based on that shown in the drawings, and are merely relational terms, which are used for convenience in describing structural relationships of various components or elements of the present utility model, and do not denote any one of the components or elements of the present utility model, and are not to be construed as limiting the present utility model.

Claims

1. The utility model provides a vacuum baffle valve, includes valve body (1), valve gap (2), handle (3), regulation pole (4) and case (5), inlet runner (8) and outlet runner (9) have been seted up on valve body (1), valve gap (2) are installed on valve body (1), handle (3) setting is connected to regulation pole (4) one end in valve body (1), case (5) are connected on regulation pole (4), its characterized in that; be provided with on adjusting pole (4) and just revolve screw rod (10) and anti-spiral shell cover (11), be provided with on handle (3) with left-hand screw rod looks adaptation nut (12), case (5) are the spring shape setting, be provided with in case (5) with anti-spiral screw rod (13) of anti-spiral shell cover (11) looks adaptation, anti-spiral screw rod (13) and anti-spiral screw cover (11) screw the cooperation and form the linkage and be connected.

2. A vacuum flapper valve as claimed in claim 1 wherein: the novel anti-rotation screw is characterized in that a first mounting groove (14) is formed in the handle (3), a rectangular through hole (15) is formed in the first mounting groove (14), a rectangular limit column (16) matched with the rectangular through hole (15) is arranged between the forward rotation screw (10) and the reverse rotation screw sleeve (11), the forward rotation screw (10) penetrates through the rectangular through hole (15) to be arranged in the first mounting groove (14), the screw cap (12) is arranged in the first mounting groove (14) and screwed on the forward rotation screw (10), and a first gasket (17) is clamped between the screw cap (12) and the rectangular through hole (15).

3. A vacuum flapper valve as claimed in claim 2 wherein: the valve cover (2) is provided with a second mounting groove (18), the valve body (1) is provided with a third mounting groove (19) corresponding to the second mounting groove (18), the anti-rotation screw sleeve (11) is arranged in the second mounting groove (18) and the third mounting groove (19), the second mounting groove (18) is provided with a positioning hole (20) towards one side of the rectangular through hole (15), and the positioning hole (20) is provided with a clamping ring (21).

4. A vacuum flapper valve as claimed in claim 1 wherein: the valve gap (2) has seted up first spacing groove (22) towards valve body (1) one side, install bearing frame (23) in first spacing groove (22), be provided with annular step (60) on first spacing groove (22) and support tightly in bearing frame (23) one side, bearing frame (23) cover is established on anti-spiral shell swivel nut (11) outer peripheral face, first spacing groove (22) opening part is provided with screw inner wall (61), be provided with on valve gap (2) with installation cutting ferrule (62) of screw inner wall (61) looks adaptation, two dismouting openings (63) have been seted up on installation cutting ferrule (62).

5. A vacuum flapper valve as claimed in claim 3 wherein: the valve core (5) is provided with a positioning flange (24), and a positioning groove (25) matched with the positioning flange is formed in the opening of the third mounting groove (19).

6. A vacuum flapper valve as claimed in claim 5 wherein: an installation cavity (26) is formed in the valve core (5), and the counter-rotating screw rod (13) is arranged in the installation cavity (26).

7. A vacuum flapper valve as claimed in claim 6 wherein: an annular groove (27) is formed in one side, facing the inlet flow passage (8), of the valve core (5), and an annular sealing ring (28) is embedded in the annular groove (27).

8. A vacuum flapper valve as claimed in claim 2 wherein: the anti-theft lock is characterized in that a positioning step (29) is arranged at the opening of the first mounting groove (14), an anti-theft lock (30) is mounted on the positioning step (29), and the anti-theft lock (30) is clamped and arranged on the positioning step (29).

9. A vacuum flapper valve as claimed in claim 4 wherein: an exhaust hole (81) communicated with the inner wall is formed in the outer peripheral surface of the anti-rotation screw sleeve (11) and located on one side of the mounting clamping sleeve (62).