CN112855932A

CN112855932A - Sealed switch device

Info

Publication number: CN112855932A
Application number: CN202110248585.9A
Authority: CN
Inventors: 李保宣; 牟松涛; 禚世轮; 何俊彪
Original assignee: Guangzhou East Development Gas Co ltd
Current assignee: Guangzhou East Development Gas Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-05-28

Abstract

The invention relates to the technical field of pressure vessel switches, and discloses a sealed switch device which comprises a cylinder body, a cover body, a sealing ring, a butting block and an adjusting piece, wherein the cover body is rotatably arranged on the cylinder body in a covering mode, the cover body is provided with a first protruding portion, the sealing ring is sleeved on the outer side of the first protruding portion, a first groove extending along the radial direction is formed in the outer peripheral wall of the sealing ring, the butting block is in sliding butting connection with the first groove, a boss is arranged on the inner side wall of the cylinder body, a limiting groove extending along the radial direction is formed in the upper surface of the boss, the butting block is arranged in the limiting groove, the adjusting piece penetrates through the cylinder body and is connected with the butting block, and the adjusting piece is in threaded connection with the cylinder body. The sealing switch device has good sealing performance and high connection reliability.

Description

Sealed switch device

Technical Field

The invention relates to the technical field of pressure container switches, in particular to a sealed switch device.

Background

At present, traditional pressure vessel sealing form adopts bolt-up mode and a section of thick bamboo body coupling more, and on sealed principle, traditional flange piece bolt-up formula pressure vessel relies on bolted connection to compress tightly lip seal ring and seals, and the leakproofness relies on two flange pieces to follow the mutual clamp force of thickness direction, and stability is not enough, has the bad problem of leakproofness.

Disclosure of Invention

The purpose of the invention is: a sealed switch device with good sealing performance is provided, and the sealing performance of a pressure container switch is improved.

In order to achieve the above object, the present invention provides a sealed switch device, which includes a cylinder, a cover, a sealing ring, a butting block and an adjusting member, wherein the cover is rotatably covered on the cylinder, the cover is provided with a first protrusion, the sealing ring is sleeved outside the first protrusion, the outer peripheral wall of the sealing ring is provided with a first groove extending in the radial direction, the butting block is slidably butted in the first groove, the inner side wall of the cylinder is provided with a boss, the upper surface of the boss is provided with a limit groove extending in the radial direction, the butting block is arranged in the limit groove, the adjusting member penetrates through the cylinder and is connected with the butting block, and the adjusting member is in threaded connection with the cylinder.

Preferably, the cylinder body is provided with a plurality of clamping parts and a supporting surface, the clamping parts are arranged on the inner circumferential wall of the cylinder body at intervals, and mounting grooves are formed between the clamping parts and the supporting surface;

the periphery wall of lid is equipped with a plurality of radial outstanding and interval arrangement's joint portion, joint portion inlays to be located the mounting groove.

Preferably, a transition groove is arranged between every two adjacent clamping portions, and the circumferential length of the transition groove is greater than that of the clamping portion.

As a preferred scheme, clamping part along circumference evenly arranged in the internal perisporium of barrel, joint portion along circumference evenly arranged in the periphery wall of lid.

Preferably, the cover body is provided with a second protruding portion, and the second protruding portion is embedded in the cylinder body.

Preferably, the abutting surface of the first groove and the abutting block is a wedge-shaped surface, and the wedge-shaped surface extends from bottom to top and inclines towards the outside.

Preferably, the inner peripheral wall of the sealing ring is provided with a protruding portion, the outer peripheral wall of the first protruding portion is provided with a second groove, and the protruding portion is embedded in the second groove.

Preferably, the sealing ring is an O-ring.

Preferably, the seal ring is provided with a third protrusion provided in a gap between the first protrusion and the boss.

Preferably, the cover further comprises a pull rod for rotating the cover body, a convex block with a through hole is arranged on the upper surface of the cover body, and the pull rod is connected to the through hole.

Compared with the prior art, the embodiment of the invention has the beneficial effects that:

1. according to the sealing switch device provided by the embodiment of the invention, the sealing ring is arranged between the cylinder body and the cover body, the sealing ring is provided with the first groove, the abutting block is arranged in the first groove, the position of the abutting block is adjusted through the adjusting piece, and the pressure of the abutting block on the sealing ring is increased, so that the sealing ring is tightly attached to the circumference of the first protruding part of the cover body, and the connection tightness of the cylinder body and the cover body is improved.

2. Through the position of adjustment butt joint piece, the extrusion force of applying on the sealing washer can be adjusted, and this extrusion force makes the sealing washer closely laminate at the first protruding portion of lid, has improved the reliability that lid and sealing washer are connected.

3. The butt piece butt is in first recess, can prevent that the sealing washer from rotating along with the lid when the lid rotates, and the butt piece has limiting displacement to the sealing washer, and the butt piece has the positioning action to the sealing washer when the installation.

4. The inner side wall of the barrel is provided with a boss, the boss is provided with a limit groove, the position where the butt joint block moves can be limited and guided, and the butt joint block is prevented from being separated from the boss of the barrel.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a top view of an embodiment of the present invention;

FIG. 4 is a schematic diagram of a seal ring according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a cover body according to an embodiment of the invention.

In the figure:

1. a barrel; 11. a boss; 12. a limiting groove; 13. a clamping portion; 14. a support surface; 15. mounting grooves; 16. a transition groove; 2. a cover body; 21. a first protrusion; 22. a clamping part; 23. a transition section; 24. a second protrusion; 25. a second groove; 26. a through hole; 27. a bump; 3. a seal ring; 31. a first groove; 32. a wedge-shaped surface; 33. a boss portion; 34. a third projection; 4. a butting block; 5. an adjustment member; 6. a pull rod.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. used herein are used to indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance, and therefore should not be construed as limiting the invention.

As shown in fig. 1, a sealed switch device according to a preferred embodiment of the present invention includes a cylinder 1, a cover 2, a sealing ring 3, an abutting block 4 and an adjusting member 5, wherein the cover 2 is rotatably covered on the cylinder 1, the cover 2 is provided with a first protrusion 21, the sealing ring 3 is sleeved outside the first protrusion 21, a first groove 31 extending in a radial direction is formed in an outer peripheral wall of the sealing ring 3, the abutting block 4 is slidably abutted in the first groove 31, a boss 11 is provided on an inner side wall of the cylinder 1, a limiting groove 12 extending in the radial direction is formed on an upper surface of the boss 11, the abutting block 4 is provided in the limiting groove 12, the adjusting member 5 penetrates through the cylinder 1 to be connected with the abutting block 4, and the adjusting member 5 is in threaded connection with the cylinder 1.

The sealing ring 3 is arranged between the cylinder body 1 and the cover body 2, the sealing ring 3 is provided with a plurality of first grooves 31, the first grooves 31 can be arranged at intervals, or a circle of the first grooves 31 can be arranged along the circumference of the sealing ring 3, the abutting block 4 abuts against the first grooves 31, the position of the abutting block 4 is adjusted through the adjusting piece 5, so that the sealing ring 3 is tightly pressed on the circumference of the first protruding part 21 of the cover body 2, the connection reliability of the sealing ring 3 and the cover body 2 is improved, the adjusting piece 5 can be a screw rod, or the adjusting piece 5 is tightly connected through a screw after the installation position of the abutting block 4 is determined, and the position of the abutting block 4 is fixed. Be equipped with boss 11 on barrel 1, seted up spacing groove 12 on the boss 11, have the guide effect to the removal of butt joint piece 4, also can prevent that butt joint piece 4 from breaking away from boss 11, improve the reliability of butt joint piece 4 and the installation of sealing washer 3, exert pressure to sealing washer 3 through butt joint piece 4, improved the leakproofness that barrel 1 and lid 2 are connected. In addition, the butt joint block 4 can prevent that the sealing washer 3 from rotating along with the lid 2 when the lid 2 rotates, and the butt joint block 4 has limiting displacement to the sealing washer 3, and the butt joint block 4 has the positioning action to the sealing washer 3 when the installation.

Further, barrel 1 is equipped with clamping part 13 and holding surface 14, and clamping part 13 has a plurality of and interval arrangement in the internal perisporium of barrel 1, forms mounting groove 15 between clamping part 13 and the holding surface 14, and the periphery wall of lid 2 is equipped with a plurality of radially outstanding and interval arrangement's joint portion 22, and joint portion 22 inlays and locates mounting groove 15. Joint portion 22 is unanimous with the quantity of mounting groove 15, and when locking lid 2, the rotatory lid of accessible 2 is with joint portion 22 precession mounting groove 15, and when opening lid 2, through screwing joint portion 22 out mounting groove 15, can open lid 2, is equipped with transition portion 23 between the joint portion 22, can cooperate with clamping part 13, is convenient for install lid 2.

Further, a transition groove 16 is arranged between two adjacent clamping portions 13, and the circumferential length of the transition groove 16 is greater than that of the clamping portion 22. The cover 2 is rotated to disengage the catching portion 22 of the cover 2 from the mounting groove 15 of the cylinder 1 to the transition groove 16, thereby opening the cover 2.

Further, the clamping portion 13 is uniformly arranged on the inner peripheral wall of the cylinder 1 along the circumferential direction, and the clamping portion 22 is uniformly arranged on the outer peripheral wall of the cover 2 along the circumferential direction. Clamping part 13 is the same with joint portion 22 quantity, supporting use, so, lid 2 need not to connect in barrel 1 through the fastener, and when pressure is great, clamping part 13 can prevent that lid 2 from being opened by mistake in the frictional force between joint portion 22, improves the security performance.

Further, the lid body 2 is provided with a second protruding portion 24, and the second protruding portion 24 is embedded in the cylinder body 1. The second protruding part 24 is embedded into the inner cavity of the cylinder 1 to close the opening of the cylinder 1, and sealing is realized through the sealing ring 3, so that the inside of the pressure container is in a closed state.

Further, the abutting surface of the first groove 31 and the abutting block 4 is a wedge surface 32, and the wedge surface 32 extends from bottom to top and inclines to the outside. The wedge surface 32 can decompose the pressure of the abutting block 4 into two vertical forces to be applied to the sealing ring 3, so that the sealing ring 3 is tightly attached to the outer circumferential surface of the first protruding part 21 of the cover body 2, the mounting reliability of the sealing ring 3 and the cover body 2 is improved, and the sealing performance of the cylinder body 1 and the cover body 2 is also improved.

Further, the inner peripheral wall of the packing 3 is provided with a boss 33. The outer peripheral wall of the first protrusion 21 is provided with a second groove 25, and the protrusion 33 is embedded in the second groove 25. The bulge part 33 is arranged in the second groove 25, so that the sealing ring 3 can be prevented from being separated from the cover body 2 in the installation process, and the limiting of the sealing ring 3 is realized.

Further, the sealing ring 3 is an O-shaped sealing ring. The sealing ring 3 can be fitted to the circumferential shape of the first protrusion 21 of the lid body 2, so that the sealing ring 3 can be easily mounted, and the sealing performance of the cylinder body 1 and the lid body 2 can be ensured.

Further, the seal ring 3 is provided with a third projection 34, and the third projection 34 is provided in a gap between the first projection 21 and the boss 11. The first projecting portion 21 of the lid body 2 and the boss 11 have a gap therebetween, and the third projecting portion 34 is provided in the gap, whereby the connection sealing property between the cylinder body 1 and the lid body 2 can be improved.

Further, the device also comprises a pull rod 6 used for rotating the cover body 2, the upper surface of the cover body is provided with a lug 27 with a through hole 26, and the pull rod 6 is connected with the through hole 26. The head of pull rod 6 is equipped with the stopper, and the afterbody is equipped with the nut, can prevent that pull rod 6 from breaking away from in through-hole 26, through rotating pull rod 6, can make the joint portion 22 of lid 2 break away from or change over to mounting groove 15 with joint portion 22 to open or lock lid 2 in.

The assembly process of the invention is as follows: locate sealing washer 3 in advance on first protruding portion 21, or place sealing washer 3 in barrel 1, then install lid 2 on barrel 1, rotate lid 2, make joint portion 22 precession mounting groove 15, rotate regulating part 5 at last, make butt piece 4 promote sealing washer 3, make sealing washer 3 sticiss on lid 2.

In summary, the embodiment of the present invention provides a sealed switch device, wherein a sealing ring is disposed between a cylinder and a cover, the sealing ring is provided with a first groove, a butting block butts against the first groove, and the position of the butting block is adjusted by an adjusting member, so that the sealing ring is tightly pressed on the circumference of a first protruding portion of the cover, thereby improving the reliability of connection between the sealing ring and the cover. The limiting groove is formed in the boss of the inner side wall of the barrel, the guide effect is achieved on the movement of the butt joint block, the butt joint block can be prevented from being separated from the boss, the reliability of installation of the butt joint block and the sealing ring is improved, pressure is applied to the sealing ring through the butt joint block, and the sealing performance of connection of the barrel and the cover body is improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A sealed switchgear, characterized in that: including barrel, lid, sealing washer, butt piece and regulating part, the rotatable lid of lid is located on the barrel, the lid is equipped with first protruding portion, the sealing washer cover is located the outside of first protruding portion, the first recess along radial extension is seted up to the periphery wall of sealing washer, butt piece slip butt in the first recess, the inside wall of barrel is equipped with the boss, the boss upper surface is seted up along radial extension's spacing groove, the butt piece is located the spacing inslot, the regulating part passes the barrel with the butt piece is connected, the regulating part with barrel threaded connection.

2. The sealed switchgear device according to claim 1, wherein: the barrel is provided with a plurality of clamping parts and a supporting surface, the clamping parts are arranged on the inner peripheral wall of the barrel at intervals, and mounting grooves are formed between the clamping parts and the supporting surface;

3. The sealed switchgear device according to claim 2, wherein: and a transition groove is arranged between every two adjacent clamping parts, and the circumferential length of the transition groove is greater than that of the clamping part.

4. A sealed switchgear device according to claim 2 or 3, characterized in that: clamping part along circumference evenly arrange in the internal perisporium of barrel, joint portion along circumference evenly arrange in the periphery wall of lid.

5. The sealed switchgear device according to claim 1, wherein: the cover body is provided with a second protruding part which is embedded in the cylinder body.

6. The sealed switchgear device according to claim 1, wherein: the first groove and the butt joint surface of the butt joint block are wedge-shaped surfaces, and the wedge-shaped surfaces extend from bottom to top and incline towards the outside.

7. The sealed switchgear device according to claim 1, wherein: the internal perisporium of sealing washer is equipped with the bellying, the second recess has been seted up to the periphery wall of first protruding portion, the bellying inlays to be located in the second recess.

8. The sealed switchgear device according to claim 1 or 7, wherein: the sealing ring is an O-shaped sealing ring.

9. The sealed switchgear device according to claim 1, wherein: the sealing ring is provided with a third protruding part, and the third protruding part is arranged in a gap between the first protruding part and the boss.

10. The sealed switchgear device according to claim 1, wherein: the novel cover is characterized by further comprising a pull rod used for rotating the cover body, wherein a convex block with a through hole is arranged on the upper surface of the cover body, and the pull rod is connected to the through hole.