CN217402045U

CN217402045U - Synchronous regulation formula ripple expansion joint

Info

Publication number: CN217402045U
Application number: CN202220127368.4U
Authority: CN
Inventors: 华建春
Original assignee: Wuxi Huabo Metal Corrugated Hose Co ltd
Current assignee: Wuxi Huabo Metal Corrugated Hose Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-09-09
Anticipated expiration: 2032-01-18

Abstract

The utility model relates to an expansion joint technical field just discloses a synchronous regulation formula ripple expansion joint, including two flanges, two fixedly connected with bellows between the flange is located the downside a plurality of bearing frames of the outside symmetry fixedly connected with of flange, the inner wall of bearing frame rotates through ball bearing and has cup jointed adjusting screw, is located the upside a plurality of screw thread section of thick bamboos of the outside symmetry fixedly connected with of flange, adjusting screw and screw thread section of thick bamboo threaded connection, adjusting screw's lower extreme fixedly connected with gear is located the downside the solid fixed ring of lower extreme fixedly connected with of flange, solid fixed ring's the outside has cup jointed annular rack through bearing rotation, annular rack and a plurality of gear engagement. This application can carry out quick synchronous adjustment, convenient to use to the relative distance between two flanges.

Description

Synchronous regulation formula ripple expansion joint

Technical Field

The application relates to the technical field of expansion joints, in particular to a synchronous regulation type corrugated expansion joint.

Background

The corrugated expansion energy-saving expansion function is realized mainly by a corrugated pipe, the function and strength design of the corrugated expansion joint is mainly realized by the design of the corrugated pipe, and the corrugated pipe can be stretched, compressed or bent by different designs and combinations of the corrugated pipe, so that the corrugated expansion joint in three basic forms of axial direction, transverse direction and angular direction is formed.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology:

the distance between two flanges can be adjusted to current expansion joint use screw rod and nut's cooperation, however in order to guarantee stability on the expansion joint, more than three screw rod nut cooperations of use, and in order to adjust the length of expansion joint, need rotate the nut simultaneously, the operation of staff of being not convenient for.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve the expansion joint among the prior art and to use the cooperation of screw rod and nut can adjust the distance between two flanges, nevertheless for guaranteeing stability on the expansion joint, uses the screw rod nut cooperation more than three, and in order to adjust the length of expansion joint, needs the nut of rotating simultaneously, the problem of the staff's of being not convenient for operation, and the synchronous regulation formula ripple expansion joint that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a synchronous regulation formula ripple expansion joint, includes two flanges, two fixedly connected with bellows between the flange is located the downside a plurality of bearing frames of the outside symmetry fixedly connected with of flange, the inner wall of bearing frame rotates through ball bearing and has cup jointed adjusting screw, is located the upside a plurality of screw thread section of thick bamboos of the outside symmetry fixedly connected with of flange, adjusting screw and screw thread section of thick bamboo threaded connection, adjusting screw's lower extreme fixedly connected with gear is located the downside the solid fixed ring of lower extreme fixedly connected with of flange, gu the outside of fixed ring has cup jointed annular rack through the bearing rotation, annular rack and a plurality of gear engagement.

Preferably, the outer side of the adjusting screw is fixedly wrapped with a rubber anti-slip sleeve.

Preferably, the side wall of the threaded cylinder is provided with an insertion hole, a positioning rod is movably inserted in the insertion hole, the rod wall of the adjusting screw rod is provided with a plurality of positioning holes matched and inserted with the positioning rod, the outer end of the positioning rod is fixedly connected with the same positioning pull plate, and one side of the positioning pull plate, which is opposite to the threaded cylinder, is fixedly connected with a positioning spring sleeved outside the positioning rod.

Preferably, the even fixedly connected with many grafting double-screw bolts of solid fixed ring's upper end, a plurality of mounting holes have been seted up on the surface of flange, the grafting double-screw bolt plug bush is located the downside in the mounting hole of flange, the upper end outside threaded connection of grafting double-screw bolt has lock nut, lock nut's lower extreme is contradicted at the upside of flange.

Preferably, the inner wall of the corrugated pipe is sprayed with a layer of anticorrosive paint.

Preferably, the bellows is arranged concentrically with the two flanges.

Compared with the prior art, this application provides a synchronous regulation formula ripple expansion joint, possesses following beneficial effect:

1. this synchronous regulation formula ripple expansion joint, through flange and the bellows that is equipped with, when the relative distance of two flanges is adjusted to needs, it makes solid fixed ring quick connection at the lower side flange's lower extreme to peg graft through the correspondence of grafting double-screw bolt and mounting hole, rethread lock nut is to the stud thread tightening of pegging graft, the realization is to solid fixed ring's fixed, annular rack is connected with a plurality of gear engagement this moment, rotate one of them adjusting screw, adjusting screw's lower extreme drives gear revolve, the meshing action through gear and annular rack drives several other adjusting screw synchronous rotations, realize the synchronous regulation operation, the relative position of side flange is adjusted fast to the threaded connection effect through adjusting screw and screw thread section of thick bamboo, can carry out the quick adjustment to the relative distance between two flanges, and convenient to use.

2. This synchronous regulation formula ripple expansion joint, through the locating lever that is equipped with, when adjusting the position of flange, earlier through the locating arm-tie draw the locating lever outward, avoid the locating lever to influence the relative movement of a screw thread section of thick bamboo, adjust and loosen the locating arm-tie after accomplishing for in the locating lever aligns the locating hole that corresponds, the locating spring draws back the locating arm-tie, and the locating arm-tie advances the locating hole in can realizing the firm locking to adjusting screw, has guaranteed the structure steadiness.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, and this application can carry out quick synchronous control, convenient to use to the relative distance between two flanges.

Drawings

FIG. 1 is a schematic structural view of a synchronous regulation type bellows expansion joint according to the present application;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a flange; 2. a bellows; 3. a bearing seat; 4. adjusting the screw rod; 5. a threaded barrel; 6. a gear; 7. a fixing ring; 8. an annular rack; 9. a rubber anti-slip sleeve; 10. positioning a rod; 11. positioning holes; 12. positioning a pulling plate; 13. a positioning spring; 14. inserting a stud; 15. mounting holes; 16. and locking the nut.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present application.

Referring to fig. 1-2, a synchronous regulation formula ripple expansion joint, including two flanges 1, fixedly connected with bellows 2 between two flanges 1, be located a plurality of bearing frames 3 of the outside symmetry fixedly connected with of downside flange 1, adjusting screw 4 has been cup jointed through ball bearing rotation to the inner wall of bearing frame 3, be located a plurality of screw thread section of thick bamboo 5 of the outside symmetry fixedly connected with of upside flange 1, adjusting

screw

4 and 5 threaded connection of screw thread section of thick bamboo, adjusting screw 4's lower extreme fixedly connected with gear 6, be located solid fixed ring 7 of the lower extreme fixedly connected with of downside flange 1, solid fixed ring 7's the outside has been cup jointed annular rack 8 through bearing rotation, annular rack 8 and the meshing of a plurality of gear 6.

The outer side of the adjusting screw rod 4 is fixedly wrapped with a rubber anti-slip sleeve 9, so that the adjusting screw rod 4 can be conveniently rotated.

The jack has been seted up to the lateral wall of a screw thread section of thick bamboo 5, and the activity is inserted and is equipped with locating lever 10 in the jack, a plurality of locating hole 11 that match the grafting with locating lever 10 are seted up to adjusting screw 4's pole wall, the same location arm-tie 12 of outer end fixedly connected with of locating lever 10, location arm-tie 12 and the relative one side fixedly connected with cover of a screw thread section of thick bamboo 5 establish the positioning spring 13 outside locating lever 10, when adjusting flange 1's position, earlier draw locating lever 10 outward through location arm-tie 12, avoid locating lever 10 to influence the relative movement of a screw thread section of thick bamboo 5, adjust and loosen location arm-tie 12 after accomplishing, make locating lever 10 align in the locating hole 11 that corresponds, positioning spring 13 pullback location arm-tie 12, positioning arm-tie 12 can realize the firm locking to adjusting screw 4 in advancing locating hole 11 with locating lever 10, the structural steadiness has been guaranteed.

Many socket studs 14 of the even fixedly connected with in upper end of solid fixed ring 7, a plurality of mounting holes 15 have been seted up on the surface of flange 1, the socket of socket stud 14 is in the mounting hole 15 that lies in downside flange 1, the upper end outside threaded connection of socket stud 14 has lock nut 16, lock nut 16's lower extreme is contradicted at the upside of flange 1, it makes solid fixed ring 7 quick connection at the lower extreme of downside flange 1 to peg graft through the corresponding grafting of socket stud 14 and mounting hole 15, rethread lock nut 16 is to socket stud 14 threaded fixation, the realization is fixed solid fixed ring 7.

The inner wall of the corrugated pipe 2 is sprayed with a layer of anticorrosive paint.

The bellows 2 is arranged concentrically with the two flanges 1.

The working principle is that when the device is used, through the flange 1 and the corrugated pipe 2, when the relative distance between the two flanges 1 needs to be adjusted, the fixing ring 7 is quickly connected to the lower end of the lower flange 1 through the corresponding insertion of the insertion studs 14 and the mounting holes 15, then the insertion studs 14 are fixed in a threaded manner through the locking nuts 16, the fixing ring 7 is fixed, at the moment, the annular rack 8 is meshed with the plurality of gears 6 and is connected, one adjusting screw rod 4 is rotated, the lower end of the adjusting screw rod 4 drives the gears 6 to rotate, other adjusting screw rods 4 are driven to synchronously rotate through the meshing action of the gears 6 and the annular rack 8, synchronous adjustment operation is realized, the relative position of the upper flange 1 is quickly adjusted through the threaded connection action of the adjusting screw rods 4 and the threaded barrel 5, the relative distance between the two flanges 1 can be quickly adjusted, the device is convenient to use, through the positioning rod 10, when adjusting the position of flange 1, draw locating lever 10 outward through location arm-tie 12 earlier, avoid locating lever 10 to influence the relative movement of screw thread section of thick bamboo 5, loosen location arm-tie 12 after the regulation is accomplished for in locating lever 10 aligns corresponding locating hole 11, location spring 13 pullbacks location arm-tie 12, and location arm-tie 12 can realize the firm locking to adjusting screw 4 in advancing locating hole 11 with locating lever 10, has guaranteed the structural stability.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the application concepts of the present application in the scope of the present disclosure, and equivalent substitutions and modifications should be included in the scope of the present application.

Claims

1. A synchronous regulation type corrugated expansion joint comprises two flanges (1), and is characterized in that a corrugated pipe (2) is fixedly connected between the two flanges (1), a plurality of bearing seats (3) are symmetrically and fixedly connected to the outer side of the flange (1) positioned at the lower side, the inner wall of the bearing seat (3) is rotatably sleeved with an adjusting screw rod (4) through a ball bearing, a plurality of thread cylinders (5) are symmetrically and fixedly connected with the outer side of the flange (1) on the upper side, the adjusting screw rod (4) is in threaded connection with the threaded cylinder (5), the lower end of the adjusting screw rod (4) is fixedly connected with a gear (6), the lower end of the flange (1) positioned at the lower side is fixedly connected with a fixing ring (7), the outer side of the fixing ring (7) is rotatably sleeved with an annular rack (8) through a bearing, and the annular rack (8) is meshed with the gears (6).

2. The synchronous adjustable bellow expansion joint according to claim 1, wherein the adjusting screw (4) is fixed on the outside with a rubber anti-slip cover (9).

3. The synchronous adjustment type corrugated expansion joint according to claim 1, wherein a side wall of the threaded cylinder (5) is provided with an insertion hole, a positioning rod (10) is movably inserted in the insertion hole, a rod wall of the adjusting screw (4) is provided with a plurality of positioning holes (11) matched and inserted with the positioning rod (10), an outer end of the positioning rod (10) is fixedly connected with a same positioning pull plate (12), and one side of the positioning pull plate (12) opposite to the threaded cylinder (5) is fixedly connected with a positioning spring (13) sleeved outside the positioning rod (10).

4. The synchronous regulation type corrugated expansion joint as claimed in claim 1, wherein a plurality of plug studs (14) are uniformly and fixedly connected to the upper end of the fixing ring (7), a plurality of mounting holes (15) are formed in the surface of the flange (1), the plug studs (14) are inserted and sleeved in the mounting holes (15) of the flange (1) at the lower side, a locking nut (16) is in threaded connection with the outer side of the upper end of the plug studs (14), and the lower end of the locking nut (16) abuts against the upper side of the flange (1).

5. The synchronous adjustable bellow expansion joint according to claim 1, wherein the inner wall of said bellow (2) is coated with an anti-corrosive paint.

6. A synchronous regulating bellow expansion joint according to claim 1, wherein the bellow (2) is arranged concentrically with two flanges (1).