CN214888817U

CN214888817U - Sealing structure of switch

Info

Publication number: CN214888817U
Application number: CN202120484161.8U
Authority: CN
Inventors: 李保宣; 陈晖�
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: 2021-11-26
Anticipated expiration: 2031-03-05

Abstract

The utility model relates to a technical field of pressure vessel switch discloses a seal structure of switch, 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. The utility model discloses a seal structure of switch, sealing performance is good, and the connection reliability is high.

Description

Sealing structure of switch

Technical Field

The utility model relates to a technical field of pressure vessel switch especially relates to a seal structure of switch.

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.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the sealing structure of the switch with good sealing performance is provided, and the sealing performance of the switch of the pressure container is improved.

In order to achieve the above object, the utility model provides a seal structure of switch, 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 spacing groove along radial extension is seted up to the boss upper surface, 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.

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 utility model, its beneficial effect lies in:

1. the utility model discloses seal structure of switch through set up the sealing washer between barrel and lid, and the sealing washer is equipped with first recess, is equipped with the butt piece in the first recess, through the position of regulating part adjustment butt piece, increases the pressure of butt piece to the sealing washer to make the inseparable laminating of sealing washer at the circumference of the first protruding portion of lid, improve the leakproofness that barrel and lid are connected.

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 overall structure diagram 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 invention;

fig. 4 is a schematic structural diagram of a sealing ring according to an embodiment of the present invention;

fig. 5 is a schematic view of a cover structure according to an embodiment of the present 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 the embodiments of the present invention is provided with reference to 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. are used in the present invention as indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 are not to be construed as limiting the invention.

As shown in fig. 1, the utility model provides a seal structure of switch of preferred embodiment, including barrel 1, lid 2, sealing washer 3, butt piece 4 and regulating part 5, lid 2 rotatable lid is located on barrel 1, lid 2 is equipped with first protruding portion 21, and the outside of first protruding portion 21 is located to sealing washer 3 cover, and first recess 31 along radial extension is seted up to the periphery wall of sealing washer 3, butt piece 4 slip butt in the first recess 31, the inside wall of barrel 1 is equipped with boss 11, and boss 11 upper surface is seted up along radial extension's spacing groove 12, and butt piece 4 is located in spacing groove 12, and regulating part 5 passes barrel 1 and is connected with butt piece 4, and regulating part 5 and barrel 1 threaded connection.

The utility model discloses a be equipped with sealing washer 3 between barrel 1 and the lid 2, be equipped with a plurality of first recesses 31 on this sealing washer 3, this first recess 31 can the interval be seted up, the round is seted up to the circumference of following sealing washer 3 of doing, butt 4 butt is in first recess 31, through 5 positions of adjusting the butt 4 of regulating part, thereby make sealing washer 3 sticiss at the circumference of the first protruding portion 21 of lid 2, the reliability that sealing washer 3 and lid 2 are connected has been improved, this regulating part 5 can be the screw rod, or connect through the screw fastening after confirming the mounted position of butt 4, the position of fixed butt 4. 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 seal ring 3 is an O-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 utility model discloses an assembly process does: 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.

To sum up, the embodiment of the utility model provides a seal structure of switch is equipped with the sealing washer between barrel and the lid, is equipped with first recess on this sealing washer, and butt piece butt is in first recess, through the position of regulating part adjustment butt piece to make the sealing washer sticiss at the circumference of the first protruding portion of lid, improved the reliability that sealing washer and lid are connected. 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, a plurality of 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 seal structure of a switch, 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. A sealing structure of a switch according to claim 1, characterized in that: 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. A sealing structure of a switch according to claim 2, characterized in that: 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 sealing structure of a switch 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. A sealing structure of a switch according to claim 1, characterized in that: the cover body is provided with a second protruding part which is embedded in the cylinder body.

6. A sealing structure of a switch according to claim 1, characterized in that: 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. A sealing structure of a switch according to claim 1, characterized in that: 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. A sealing structure of a switch according to claim 1 or 7, characterized in that: the sealing ring is an O-shaped sealing ring.

9. A sealing structure of a switch according to claim 1, characterized in that: 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. A sealing structure of a switch according to claim 1, characterized in that: 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.