CN217234756U

CN217234756U - Double-bellows valve sealing device

Info

Publication number: CN217234756U
Application number: CN202220651026.2U
Authority: CN
Inventors: 叶晓波; 张棵梅
Original assignee: ZHEJIANG BOMEITE ENERGY EQUIPMENT CO Ltd
Current assignee: ZHEJIANG BOMEITE ENERGY EQUIPMENT CO Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-19
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a double-bellows valve sealing device, which comprises a valve pipe and a bellows, wherein the outer walls of the valve pipe and the bellows are respectively and fixedly connected with a first ring and a second ring, the outer wall of the first ring is symmetrically provided with a limiting groove, the right side wall of the second ring is rotationally connected with a lantern ring, the right side wall of the second ring is symmetrically penetrated and rotationally connected with a rotating shaft, the right end of the rotating shaft is fixedly connected with a gear, the left end of the rotating shaft is fixedly connected with a limiting block, the inner cavity wall of the bellows is provided with an extrusion sealing mechanism, the utility model relates to the technical field of valve sealing, the double-bellows valve sealing device solves the problems that the existing sealing device of the bellows and the valve is usually installed by adopting the traditional flange to match with a bolt nut, the sealing effect is not only poor, and the bolt is easy to loosen due to the fluctuation generated when water flow passes for a long time, and the installation steps are more.

Description

Double-bellows valve sealing device

Technical Field

The utility model relates to a valve seal technical field specifically is a dual bellows valve seal device.

Background

The double-wall corrugated pipe is a novel pipe with an outer wall with an annular structure and a smooth inner wall, and is firstly developed in Germany in the early 80 s. After more than ten years of development and improvement, the product series is developed from a single variety to a complete product series. The production process and the use technology are well mature. When the double-wall corrugated pipe is installed with a valve pipe, a sealing device is required to ensure the sealing performance of a connecting part.

The sealing device of current bellows and valve adopts traditional flange cooperation bolt nut to install usually, and not only sealed effect is not good, and the fluctuation that produces easily when rivers pass through for a long time can cause the bolt not hard up, and installation steps are more moreover, have reduced the convenience of operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a dual bellows valve seal device has solved the sealing device of current bellows and valve and has adopted traditional flange cooperation bolt nut to install usually, and not only sealed effect is not good, and the fluctuation that produces easily when rivers pass through for a long time can cause the bolt not hard up, the more problem of installation step moreover.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a double bellows valve seal device, includes valve pipe and bellows, the outer wall difference first ring of fixedly connected with and the second ring of valve pipe and bellows, the spacing groove has been seted up to the outer wall symmetry of first ring, the right side wall of second ring rotates and is connected with the lantern ring, the right side wall symmetry of second ring runs through to rotate and is connected with the pivot, the right-hand member fixedly connected with gear of pivot, the left end fixedly connected with stopper of pivot, extrusion sealing mechanism is installed to the inner chamber wall of bellows.

Preferably, the outer side wall of the lantern ring is symmetrically and fixedly connected with racks, and the outer wall of the rotating shaft is sleeved with a torsion spring.

Preferably, the rack is meshed with the gear, one end of the torsion spring is fixedly connected with the right side wall of the second circular ring, and the other end of the torsion spring is fixedly connected with the right end of the rotating shaft.

Preferably, the extrusion sealing mechanism comprises an installation block, a sliding column, an inclined block, a first spring, a movable column, a second spring and a sealing gasket, the installation block is symmetrically and fixedly connected to the inner cavity wall of the corrugated pipe, and the sliding column penetrates through the side wall of the installation block and is connected with the installation block in a sliding mode.

Preferably, the outer wall cover of traveller is equipped with first spring, the left end fixedly connected with sloping block of traveller, sliding connection is run through to the inner chamber wall symmetry of bellows has the activity post, the outer wall cover of activity post is equipped with the second spring.

Preferably, the one end of first spring and the lateral wall fixed connection of installation piece, the other end and the traveller fixed connection of first spring, the one end fixedly connected with that the bellows lateral wall is run through to the activity post is sealed, the one end of second spring and the one end fixed connection of activity post, the other end and the inside wall fixed connection of bellows of second spring.

(III) advantageous effects

The utility model provides a double bellows valve seal device. The method has the following beneficial effects:

1. the double-corrugated-pipe valve sealing device comprises a first circular ring, a second circular ring, a limiting groove, a rotating shaft, a gear, a sleeve ring, a torsion spring and a limiting block and a rack which are matched, wherein the valve pipe and the corrugated pipe are firstly sealed and installed when in use, the sleeve ring is held by hands to rotate to enable the rack outside the sleeve ring to be meshed with the gear to rotate when rotating so as to enable the torsion spring on the outer wall of the rotating shaft to contract, so that the limiting block is driven to rotate 90 degrees, the limiting block is in a parallel state and can be inserted into the limiting groove of the first circular ring, the sleeve ring is loosened after being inserted, the rotating shaft and the gear are driven to rotate under the reset resilience of the torsion spring, the limiting block is reset and blocked at the left side of the limiting groove of the first circular ring, so that the rack is meshed again to drive the sleeve ring to reset, the corrugated pipe and the valve pipe to be sealed and installed rapidly, and the trouble of installing by matching a flange with a bolt and a nut is eliminated, the operation steps during installation are reduced, the installation speed and the working efficiency are improved, and convenience is provided for workers;

2. this double bellows valve seal device, through extrusion sealing mechanism, the installation piece, the traveller, the oblique piece, first spring, the activity post, the cooperation of second spring and sealed pad, when the valve of valve pipe is opened, the impulsive force when rivers can pass through the valve pipe can promote the traveller also can push up the oblique piece extrusion activity post in the lateral wall sliding compression first spring of installation piece, the activity post receives the extrusion and can slide compression second spring at the lateral wall of bellows, and then to sealed pad exert pressure and let sealed pad and valve pipe's inner wall laminating inseparabler, the stability and the leakproofness of valve pipe and bellows junction have been improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of a partially cut structure of the bellows of the present invention;

fig. 4 is the utility model discloses pivot and stopper mounting structure schematic diagram.

In the figure: 1. a valve tube; 2. a bellows; 3. a first circular ring; 4. a second circular ring; 5. a limiting groove; 6. a compression sealing mechanism; 61. mounting blocks; 62. a traveler; 63. a tapered block; 64. a first spring; 65. a movable post; 66. a second spring; 67. a gasket; 7. a rotating shaft; 8. a gear; 9. a collar; 10. a torsion spring; 11. a limiting block; 12. a rack.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The utility model provides a technical scheme:

example one

Referring to fig. 1 to 3, a dual bellows valve sealing device includes a valve tube 1 and a bellows 2, outer walls of the valve tube 1 and the bellows 2 are respectively and fixedly connected with a first ring 3 and a second ring 4, the outer wall of the first ring 3 is symmetrically provided with a limiting groove 5, a right side wall of the second ring 4 is rotatably connected with a lantern ring 9, a right side wall of the second ring 4 is symmetrically penetrated and rotatably connected with a rotating shaft 7, a right end of the rotating shaft 7 is fixedly connected with a gear 8, a left end of the rotating shaft 7 is fixedly connected with a limiting block 11, an inner cavity wall of the bellows 2 is provided with an extrusion sealing mechanism 6, an outer side wall of the lantern ring 9 is symmetrically and fixedly connected with a rack 12, the outer wall of the rotating shaft 7 is sleeved with a torsion spring 10, the rack 12 is engaged with the gear 8, one end of the torsion spring 10 is fixedly connected with the right side wall of the second ring 4, and the other end of the torsion spring 10 is fixedly connected with a right end of the rotating shaft 7.

Through the cooperation of the first circular ring 3, the second circular ring 4, the limiting groove 5, the rotating shaft 7, the gear 8, the sleeve ring 9, the torsion spring 10, the limiting block 11 and the rack 12, firstly, the valve tube 1 and the corrugated tube 2 are hermetically mounted when in use, when in mounting, the sleeve ring 9 is held by hand to rotate so that the rack 12 outside the sleeve ring is meshed with the gear 8 to rotate so that the torsion spring 10 on the outer wall of the rotating shaft 7 contracts when rotating, thereby driving the limiting block 11 to rotate for 90 degrees, at the moment, the limiting block 11 is in a parallel state to be inserted into the limiting groove 5 of the first circular ring 3, the sleeve ring 9 is loosened after being inserted, at the moment, the resetting resilience of the torsion spring 10 can drive the rotating shaft 7 and the gear 8 to rotate, so that the limiting block 11 is reset and blocked at the left side of the limiting groove 5 of the first circular ring 3, thereby meshing the rack 12 again to drive the sleeve ring 9 to reset, and the corrugated tube 2 and the valve tube 1 can be hermetically mounted quickly, the trouble of installation by matching flanges with bolts and nuts in the prior art is eliminated, the operation steps during installation are reduced, the installation speed and the work efficiency are improved, and convenience is provided for workers.

Example two

Referring to fig. 3 to 4, the compression sealing mechanism 6 includes a mounting block 61, a sliding column 62, and an inclined block 63, first spring 64, movable column 65, second spring 66 and sealed pad 67, the inner chamber wall symmetry fixedly connected with installation piece 61 of bellows 2, the lateral wall of installation piece 61 runs through sliding connection and has traveller 62, the outer wall cover of traveller 62 is equipped with first spring 64, the left end fixedly connected with sloping block 63 of traveller 62, the inner chamber wall symmetry of bellows 2 runs through sliding connection and has movable column 65, the outer wall cover of movable column 65 is equipped with second spring 66, the one end of first spring 64 and the lateral wall fixed connection of installation piece 61, the other end and the traveller 62 fixed connection of first spring 64, movable column 65 runs through the sealed pad 67 of the one end fixedly connected with of bellows 2 lateral wall, the one end of second spring 66 and the one end fixed connection of movable column 65, the other end of second spring 66 and the inside wall fixed connection of bellows 2.

Through extrusion sealing mechanism 6, installation piece 61, the traveller 62, oblique piece 63, first spring 64, activity post 65, the cooperation of second spring 66 and sealed pad 67, when the valve of valve pipe 1 was opened, the impulsive force when rivers can pass through valve pipe 1 can promote traveller 62 also can push up oblique piece 63 extrusion activity post 65 in the first spring 64 of the lateral wall sliding compression of installation piece 61, activity post 65 receives the extrusion and can slide compression second spring 66 at the lateral wall of bellows 2, and then exert pressure to sealed pad 67 and let sealed pad 67 and valve pipe 1's inner wall laminate inseparabler, the stability and the leakproofness of valve pipe 1 with the bellows 2 junction have been improved.

The working principle is as follows: firstly, the valve pipe 1 and the corrugated pipe 2 are hermetically installed when in use, the sleeve ring 9 is held by hands to rotate so that the external rack 12 is meshed with the gear 8 to rotate when rotating so that the torsion spring 10 on the outer wall of the rotating shaft 7 contracts when the sleeve ring is installed, the limiting block 11 is driven to rotate for 90 degrees, the limiting block 11 is in a parallel state and can be inserted into the limiting groove 5 of the first circular ring 3, the sleeve ring 9 is loosened after the insertion, the rotating shaft 7 and the gear 8 are driven to rotate under the reset rebound of the torsion spring 10, the limiting block 11 is reset and blocked at the left side of the limiting groove 5 of the first circular ring 3, the rack 12 is meshed again to drive the sleeve ring 9 to reset, the corrugated pipe 2 and the valve pipe 1 can be rapidly hermetically installed, the troublesome of traditional flange matched bolt and nut installation is omitted, the operation steps during installation are reduced, and the installation speed and the work efficiency are improved, for the staff provides the convenience, when the valve of valve pipe 1 was opened, impulsive force when rivers can pass through valve pipe 1 can promote traveller 62 and also can push up and move oblique piece 63 extrusion activity post 65 in the first spring 64 of the lateral wall sliding compression of installation piece 61, activity post 65 receives the extrusion and can slide compression second spring 66 at the lateral wall of bellows 2, and then apply pressure to sealed pad 67 and let sealed pad 67 and valve pipe 1's inner wall laminate inseparabler, the stability and the leakproofness of valve pipe 1 with bellows 2 junction have been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a double corrugated pipe valve sealing device, includes valve pipe (1) and bellows (2), its characterized in that: the outer wall difference fixedly connected with first ring (3) of valve pipe (1) and bellows (2) and second ring (4), spacing groove (5) have been seted up to the outer wall symmetry of first ring (3), the right side wall of second ring (4) rotates and is connected with lantern ring (9), the right side wall symmetry of second ring (4) runs through to rotate and is connected with pivot (7), the right-hand member fixedly connected with gear (8) of pivot (7), the left end fixedly connected with stopper (11) of pivot (7), extrusion sealing mechanism (6) are installed to the inner chamber wall of bellows (2).

2. A dual bellows valve seal assembly as claimed in claim 1, wherein: the outer side wall of the lantern ring (9) is symmetrically and fixedly connected with racks (12), and the outer wall of the rotating shaft (7) is sleeved with a torsion spring (10).

3. A dual bellows valve seal assembly as claimed in claim 2, wherein: the rack (12) is meshed with the gear (8), one end of the torsion spring (10) is fixedly connected with the right side wall of the second circular ring (4), and the other end of the torsion spring (10) is fixedly connected with the right end of the rotating shaft (7).

4. A dual bellows valve seal assembly as claimed in claim 1, wherein: the extrusion sealing mechanism (6) comprises an installation block (61), a sliding column (62), an inclined block (63), a first spring (64), a movable column (65), a second spring (66) and a sealing gasket (67), the inner cavity wall of the corrugated pipe (2) is symmetrically and fixedly connected with the installation block (61), and the side wall of the installation block (61) is connected with the sliding column (62) in a penetrating and sliding mode.

5. The dual bellows valve seal assembly of claim 4, wherein: the outer wall cover of traveller (62) is equipped with first spring (64), the left end fixedly connected with sloping block (63) of traveller (62), sliding connection has activity post (65) is run through to the inner chamber wall symmetry of bellows (2), the outer wall cover of activity post (65) is equipped with second spring (66).

6. A dual bellows valve seal assembly as claimed in claim 5, wherein: the lateral wall fixed connection of the one end of first spring (64) and installation piece (61), the other end and traveller (62) fixed connection of first spring (64), the sealed pad (67) of one end fixedly connected with that bellows (2) lateral wall is run through in activity post (65), the one end of second spring (66) and the one end fixed connection of activity post (65), the other end of second spring (66) and the inside wall fixed connection of bellows (2).