CN219139960U

CN219139960U - Novel quick pressure boost seal structure of pressure regulator

Info

Publication number: CN219139960U
Application number: CN202320171628.2U
Authority: CN
Inventors: 刘旭; 袁露; 孙昊; 孙杨; 潘伟
Original assignee: Zhongbeihuan Liaoning Technology Development Co ltd
Current assignee: Zhongbeihuan Liaoning Technology Development Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-06
Anticipated expiration: 2033-02-09

Abstract

The utility model belongs to the technical field of pressure regulators, in particular to a novel rapid pressurizing sealing structure of a pressure regulator, which comprises a pressure regulator main body and a sealing cover, wherein the pressure regulator main body is of a cylindrical tank structure, an annular deep groove is formed in the top end of an opening of the pressure regulator main body, a supporting frame is fixedly connected with the inner wall of the pressure regulator main body, an adjusting threaded hole is formed in the center of the supporting frame, an annular edge is fixedly arranged at the edge of the bottom side of the sealing cover, the bottom edge of the annular edge is embedded into the middle part of the annular deep groove, and a Y-shaped sealing ring is embedded into the middle part of the annular deep groove; according to the utility model, the first supporting edge of the Y-shaped sealing ring is fixedly connected with the sealing cover in a jogged manner, the second supporting edge and the third supporting edge of the Y-shaped sealing ring are deformed and sealed with the side wall of the annular deep groove at the top end of the pressure regulator main body, and at the moment, high-pressure air in the pressure regulator sequentially passes through the deformed second supporting edge and third supporting edge when leaking, so that a good and long-term sealing effect can be maintained.

Description

Novel quick pressure boost seal structure of pressure regulator

Technical Field

The utility model relates to the technical field of pressure regulators, in particular to a novel rapid pressurizing sealing structure of a pressure regulator.

Background

At present, when the pressure regulator is sealed, an O-shaped sealing ring or an annular sealing ring with a rectangular cross section is generally used, and when the two sealing rings are sealed, the sealing effect is generated through the deformation of the sealing ring, but in a long-term high-pressure state, and after long-term use aging, high-pressure air still slowly leaks from a gap between the sealing ring and a container; therefore, the aged and deformed sealing ring can be quickly replaced when the sealing effect state is maintained; in addition, there are two sealing modes for the pressure regulator, one is to seal slowly through the screw thread, and the other is to seal fast through the transmission mechanism, such as the connecting rod and the cam, but there is no fast sealing device capable of switching freely between the two fast, so we propose a novel fast pressurizing sealing structure for the pressure regulator to solve the above problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a novel rapid pressurizing sealing structure of a pressure regulator, and solves the problems in the background art.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a novel quick pressure boost seal structure of pressure regulator, includes pressure regulator main part and sealed lid, the pressure regulator main part is drum jar structure, annular deep slot has been seted up on the opening top of pressure regulator main part, the inner wall fixedly connected with support frame of pressure regulator main part, the regulation screw hole has been seted up at the center of support frame, the fixed ring limit that is equipped with in border of sealed lid bottom side, the base embedding of ring limit the middle part of annular deep slot, the middle part gomphosis of ring deep slot has Y type sealing washer, Y type sealing washer contains first branch limit, second branch limit and third branch limit, the inboard fixed connection, outside equiangular distribution setting of first branch limit, second branch limit and third branch limit, first gomphosis groove has been seted up at the middle part of first branch limit, the second gomphosis groove has been seted up at the middle part of third branch limit, the ring limit passes through first gomphosis groove gomphosis.

Further, the middle part gomphosis of sealed lid is connected with the axis, the bottom of centraxonial bottom is fixed with adjusting threaded rod with one heart, adjusting threaded rod's top is through two and armful nut fixedly connected with bowl formula bullet pad, the bottom elasticity of bowl formula bullet pad is contradicted and is located the inboard circular arc annular of sealed lid, adjusting threaded rod's bottom spiro union is connected the adjusting threaded hole, centraxonial top fixedly connected with nut, the both sides of nut are connected with the handle through protruding axle rotation, the bottom fixedly connected with cam of handle, the cam pressure touches the top surface of sealed lid.

Further, the annular deep groove comprises an outer wall, an outer convex ring is arranged on the inner circular side of the outer wall, a flanging ring is embedded on the inner side of the outer wall, an inner convex ring is arranged on the outer circular side of the flanging ring, the second embedded groove is embedded with the outer convex ring, and the third embedded groove is embedded with the inner convex ring.

Further, a first fastening threaded hole is formed in the side of the support frame, a first fastening screw is connected to the middle of the outer circle of the pressure regulator main body in a penetrating mode, and the first fastening screw is screwed into the first fastening threaded hole.

Further, six second fastening screws are penetrated through the outer circle of the outer wall in an equal division mode, six second fastening screw holes are formed in the edge folding ring in an equal division mode, and the six second fastening screws are in screwed connection with the second fastening screw holes corresponding to the six second fastening screw holes.

Further, the bowl-shaped spring pad is made of an aluminum alloy material or a spring steel material.

(III) beneficial effects

Compared with the prior art, the utility model provides a novel rapid pressurizing sealing structure of a pressure regulator, which has the following beneficial effects:

the Y-shaped sealing ring is arranged, the first supporting edge of the Y-shaped sealing ring is fixedly connected with the sealing cover in a jogged manner, the second supporting edge and the third supporting edge of the Y-shaped sealing ring are in deformation sealing with the side wall of the annular deep groove at the top end of the pressure regulator main body, and high-pressure air in the pressure regulator needs to pass through the deformed second supporting edge and third supporting edge and the inner convex ring and the outer convex ring which are correspondingly jogged with the second supporting edge and the third supporting edge in sequence when the high-pressure air leaks, so that a good and long-term sealing effect can be kept;

when the Y-shaped sealing ring needs to be replaced or adjusted, the Y-shaped sealing ring is only required to be taken out to twist the Y-shaped sealing ring by 120 degrees, the first supporting edge embedded with the sealing cover is replaced by the second supporting edge or the third supporting edge, and at the moment, the sealing of the sealing ring to the pressure regulator main body and the sealing cover can be realized for a long time.

When the adjusting threaded rod is screwed with the adjusting threaded hole to a set distance, the handle is quickly pulled to enable the cam to quickly press the top surface of the sealing cover, the sealing cover is contacted with the center shaft to generate relative displacement under the pressure action, the top end of the pressure regulator main body is quickly pressed, and the sealing effect of the Y-shaped sealing ring is achieved, so that the sealing cover can quickly seal the pressure regulator main body.

Drawings

FIG. 1 is a schematic view, partially in section, of a subjective structure of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

FIG. 3 is a schematic view of the Y-seal non-ring seal state structure of the present utility model.

In the figure: 1. a pressure regulator body; 2. sealing cover; 3. an annular deep trench; 31. an outer wall; 310. an outer convex ring; 311. a second fastening screw; 32. a crimping ring; 320. an inner convex ring; 321. a second fastening screw hole; 4. a support frame; 41. a first fastening screw hole; 42. a first fastening screw; 5. adjusting the threaded hole; 6. an annular edge; 7. a Y-shaped sealing ring; 71. a first leg; 72. a second leg; 73. a third leg; 710. a first fitting groove; 720. a second fitting groove; 730. a third fitting groove; 8. a center shaft; 9. adjusting a threaded rod; 10. and embracing the nut; 11. bowl-shaped spring pad; 12. circular arc ring groove; 13. a screw cap; 14. a handle; 15. a cam.

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

As shown in fig. 1, 2 and 3, a novel rapid pressurizing sealing structure of a pressure regulator provided by an embodiment of the present utility model includes a pressure regulator main body 1 and a sealing cover 2, the pressure regulator main body 1 is a cylindrical tank structure, an annular deep groove 3 is provided at an open top end of the pressure regulator main body 1, a support frame 4 is fixedly connected to an inner wall of the pressure regulator main body 1, an adjusting threaded hole 5 is provided at a center of the support frame 4, an annular edge 6 is fixedly provided at an edge of a bottom side of the sealing cover 2, a bottom edge of the annular edge 6 is embedded into a middle part of the annular deep groove 3, a Y-shaped sealing ring 7 is embedded into a middle part of the annular deep groove 3, the Y-shaped sealing ring 7 includes a first branch edge 71, a second branch edge 72 and a third branch edge 73, the first branch edge 71, the second branch edge 72 and the third branch edge 73 are fixedly connected at an inner side, the outer side is equiangular distribution, a first embedding groove 710 is provided at a middle part of the first branch edge 71, a second embedding groove 720 is provided at a middle part of the second branch edge 72, a third embedding groove 730 is provided at a middle part of the third branch edge 73, and the annular edge 6 is embedded into the first branch edge 71 through the first embedding groove 710.

When the device is used for sealing, the sealing cover 2 presses the opening at the top end of the pressure regulator main body 1, at the moment, the bottom edge of the annular edge 6 is embedded into the middle part of the annular deep groove 3, the first supporting edge 71 which is embedded with the annular edge 6 through the first embedded groove 710 is abutted against the bottom surface of the sealing cover 2, at the moment, the second supporting edge 72 and the third supporting edge 73 deform to expand to two sides under the action of pressing force until abutting against the side wall of the annular deep groove 3, so that the junction of the pressure regulator main body 1 and the sealing cover 2 can be better sealed, and compared with the common rectangular annular sealing ring and O-shaped sealing ring, the air tightness is better;

when the Y-shaped sealing ring 7 deforms after long-term use to cause poor sealing performance, the first embedded groove 710 can be taken out from the bottom side of the annular edge 6, the Y-shaped sealing ring 7 is twisted to change the direction by 120 degrees, the second embedded groove 720 is embedded into the bottom side of the annular edge 6, at the moment, the second supporting edge 72 is connected with the annular edge 6, when the sealing cover 2 presses the opening at the top end of the pressure regulator main body 1, the first supporting edge 71 and the third supporting edge 73 deform to open to two sides under the action of pressing force until the first supporting edge and the third supporting edge abut against the side wall of the annular deep groove 3, and a good sealing effect is continuously maintained; further operation can continue to connect the third support edge 73 with the annular edge 6 through the third fitting groove 730 after a period of use, and when the sealing cover 2 presses the opening at the top end of the pressure regulator body 1, the first support edge 71 and the second support edge 72 are in contact with the side wall of the annular deep groove 3 for sealing under pressure, so that a sealing ring can keep sealing the pressure regulator body 1 and the sealing cover 2 for a long time.

As shown in fig. 2, in some embodiments, a middle shaft 8 is connected with the middle part of the sealing cover 2 in a jogged manner, an adjusting threaded rod 9 is concentrically fixed at the bottom end of the middle shaft 8, a bowl-shaped elastic pad 11 is fixedly connected with the top end of the adjusting threaded rod 9 through two parallel holding nuts 10, the bottom end of the bowl-shaped elastic pad 11 elastically abuts against an arc ring groove 12 positioned on the inner side of the sealing cover 2, the bottom end of the adjusting threaded rod 9 is connected with an adjusting threaded hole 5 in a screwed manner, a nut 13 is fixedly connected with the top end of the middle shaft 8, two sides of the nut 13 are rotatably connected with a handle 14 through a convex shaft, a cam 15 is fixedly connected with the bottom end of the handle 14, and the cam 15 presses against the top surface of the sealing cover 2.

There are two modes of sealing the pressure regulator body 1 by the seal cap 2, one is a slow sealing mode: the screw cap 13 is screwed to drive the middle shaft 8 and the adjusting threaded rod 9 to rotate, the sealing cover 2 is pressed on the pressure regulator main body 1 slowly through the screwing of the adjusting threaded rod 9 and the adjusting threaded hole 5, the sealing of the sealing cover 2 on the pressure regulator main body 1 is realized according to the sealing effect of the Y-shaped sealing ring 7, and at the moment, the bowl-shaped elastic pad 11 can seal the position through the close contact between the circular arc annular edge on the top side and the circular arc annular groove 12;

and the second is a quick closing sealing mode: when the adjusting threaded rod 9 and the adjusting threaded hole 5 are screwed to a set distance, the handle 14 is quickly pulled, the cam 15 is enabled to quickly press the top surface of the sealing cover 2, the sealing cover 2 is enabled to generate relative displacement with the center shaft 8 under the pressure action, the top end of the pressure regulator main body 1 is quickly pressed, the sealing effect of the Y-shaped sealing ring 7 is achieved, the sealing cover 2 is used for quickly sealing the pressure regulator main body 1, and in the process, the bowl-shaped elastic pad 11 is deformed and still seals the position through the close contact of the circular arc ring groove 12.

As shown in fig. 3, in some embodiments, the annular deep trench 3 includes an outer wall 31, an outer convex ring 310 is disposed on an inner circular side of the outer wall 31, a folded ring 32 is embedded on an inner side of the outer wall 31, an inner convex ring 320 is disposed on an outer circular side of the folded ring 32, the second embedded groove 720 is embedded with the outer convex ring 310, and the third embedded groove 730 is embedded with the inner convex ring 320.

When the first engaging groove 710 engages with the annular edge 6, the second and third supporting

edges

72 and 73 deform and expand to two sides under the action of the pressing force until abutting against the side wall of the annular deep groove 3, at this time, the second engaging groove 720 engages with the outer convex ring 310, and the third engaging groove 730 engages with the inner convex ring 320, so that the sealing cover 2 and the opening of the pressure regulator body 1 are better sealed.

As shown in fig. 2, in some embodiments, a first fastening screw hole 41 is formed on an edge side of the support frame 4, and a first fastening screw 42 is connected to a middle portion of the outer circle of the pressure regulator main body 1 in a penetrating manner, and the first fastening screw 42 is screwed into the first fastening screw hole 41.

In the production of the device, the pressure regulator main body 1 and the supporting frame 4 are separate parts for simplifying the production process and reducing the cost; when the two are assembled, the support frame 4 is placed in the inner cavity of the pressure regulator main body 1 and kept horizontally, after the first fastening screw holes 41 are aligned with the through holes formed in the side wall of the pressure regulator main body 1, the first fastening screws 42 penetrate through the through holes, then the first fastening screw holes 41 are screwed into the first fastening screw holes, and after the first fastening screws 42 are respectively screwed into the corresponding first fastening screw holes 41 and are screwed down, the support frame 4 is fixed in the inner cavity of the pressure regulator main body 1.

As shown in fig. 2, in some embodiments, six second fastening screws 311 are equally divided through the outer circumference of the outer wall 31, six second fastening screw holes 321 are equally divided through the hemming ring 32, and the six second fastening screws 311 are screwed with the corresponding second fastening screw holes 321.

In order to simplify the production process and reduce the cost when the device is produced, the flanging ring 32 is also produced into a single part, the flanging ring 32 is embedded into the inner hole side of the outer wall 31 to enable the flanging ring and the outer wall 31 to be in interference fit and kept fixed when the flanging ring and the outer wall 31 are assembled, then six through holes are drilled into the outer wall 31 through a drilling machine to serve as guide holes, the guide holes at the position of the outer wall 31 are reamed into the through holes of the second fastening screw 311, then the guide holes on the flanging ring 32 are tapped into the second fastening screw holes 321, and then the six second fastening screw 311 penetrate through the through holes of the outer wall 31 and then are screwed into the second fastening screw holes 321, so that the flanging ring 32 and the outer wall 31 are tightly fixed.

As shown in fig. 2, in some embodiments, the bowl-shaped spring pad 11 is made of an aluminum alloy material or a spring steel material having good elastic deformation properties, so that the sealing of the pressure regulator body 1 and the inner cavity of the sealing cover 2 can be continuously maintained while the above-described rapid sealing is performed.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a novel quick pressurization seal structure of pressure regulator, includes pressure regulator main part (1) and sealed lid (2), its characterized in that: the pressure regulator main part (1) is drum jar structure, annular deep groove (3) have been seted up on the open top of pressure regulator main part (1), the inboard fixedly connected with support frame (4) of pressure regulator main part (1), regulation screw hole (5) have been seted up at the center of support frame (4), the fixed annular limit (6) that are equipped with in border of sealed lid (2) bottom side, the base embedding of annular limit (6) the middle part of annular deep groove (3), the middle part gomphosis of annular deep groove (3) has Y type sealing washer (7), Y type sealing washer (7) contain first branch limit (71), second branch limit (72) and third branch limit (73), the inboard fixed connection, the outside equiangular distribution setting of first branch limit (71) have been seted up at the middle part of second branch limit (72), second gomphosis groove (720) have been seted up at the middle part of third branch limit (73), third branch limit (73) have been seted up at the middle part of third branch limit (73) and have been passed through first branch limit (710), third branch limit (710).

2. The novel pressure regulator rapid pressurization seal structure according to claim 1, wherein: the middle part gomphosis of sealed lid (2) is connected with axis (8), the bottom of axis (8) is concentric to be fixed with adjusting threaded rod (9), the top of adjusting threaded rod (9) is through two and armful nut (10) fixedly connected with bowl formula bullet pad (11), the bottom elasticity of bowl formula bullet pad (11) is contradicted and is located circular arc annular (12) of sealed lid (2) inboard, the bottom spiro union of adjusting threaded rod (9) is connected adjusting screw hole (5), the top fixedly connected with nut (13) of axis (8), the both sides of nut (13) are connected with handle (14) through protruding axle rotation, the bottom fixedly connected with cam (15) of handle (14), cam (15) press touch the top surface of sealed lid (2).

3. The novel pressure regulator rapid pressurization seal structure according to claim 1, wherein: the annular deep groove (3) comprises an outer wall (31), an outer convex ring (310) is arranged on the inner circular side of the outer wall (31), a flanging ring (32) is embedded in the inner side of the outer wall (31), an inner convex ring (320) is arranged on the outer circular side of the flanging ring (32), a second embedded groove (720) is embedded with the outer convex ring (310), and a third embedded groove (730) is embedded with the inner convex ring (320).

4. The novel pressure regulator rapid pressurization seal structure according to claim 1, wherein: the side of support frame (4) has seted up first fastening screw hole (41), the middle part of pressure regulator main part (1) excircle is connected with first fastening screw (42) in the penetration, in first fastening screw (42) spiro union first fastening screw hole (41).

5. A novel pressure regulator rapid pressurization seal structure according to claim 3, characterized in that: six second fastening screws (311) are penetrated through the outer circle of the outer wall (31) in an equal division manner, six second fastening screw holes (321) are formed in the edge folding ring (32) in an equal division manner, and the six second fastening screws (311) are in threaded connection with the second fastening screw holes (321) corresponding to the second fastening screw holes.

6. The novel pressure regulator rapid pressurization seal structure according to claim 2, wherein: the bowl-shaped spring pad (11) is made of an aluminum alloy material or a spring steel material.