CN215060377U

CN215060377U - Single-type dumpling chain corrugated expansion joint with anti-corrosion coating

Info

Publication number: CN215060377U
Application number: CN202120339979.0U
Authority: CN
Inventors: 仇庆涛; 王成萍; 王智峰; 熊瑞鸽
Original assignee: Jiangsu Risheng Technology Ind Co ltd
Current assignee: Jiangsu Risheng Technology Ind Co ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-12-07
Anticipated expiration: 2031-02-06

Abstract

The utility model relates to an expansion joint technical field just discloses a single dumpling chain ripple expansion joint with anticorrosive coating, including the expansion joint body, the equal fixedly connected with flange in both ends of expansion joint body, a plurality of screw holes have been seted up to the lateral wall of flange, and threaded hole female connection has the screw rod, the one end fixedly connected with dog of screw rod, and the fixed a plurality of first latches of the outer wall of dog, the outer wall cover of dog is equipped with the lantern ring, and the inner wall fixedly connected with second latch of the lantern ring, first latch sets up with the meshing of second latch. The utility model discloses, through cooperation such as setting up screw rod, dog, first latch, the lantern ring and second latch and using, can be in the installation or dismantle the expansion joint, drive a plurality of dogs through rotating the lantern ring and rotate, pivoted dog drives the screw rod and rotates to make originally need rotate the flange that a plurality of bolts could be fixed, only need now to rotate the lantern ring alright drive a plurality of screw rods and rotate, thereby mounting flange.

Description

Single-type dumpling chain corrugated expansion joint with anti-corrosion coating

Technical Field

The utility model relates to an expansion joint technical field especially relates to a single dumpling chain ripple expansion joint with anticorrosive coating.

Background

The single hinge type corrugated expansion joint is a flexible part composed of hinge, balance ring and corrugated pipe, and features that its angle can be changed to absorb the angular displacement of conveying pipeline or container in axial direction. The single hinge type corrugated expansion joint is generally combined by more than two pieces, the compensation amount and the distance of the single hinge type corrugated expansion joint are in direct proportion, the thrust and the pressure of the single hinge type corrugated expansion joint are borne by the hinge due to the moderate weight and the small volume of the single hinge type corrugated expansion joint, and the single hinge type corrugated expansion joint can compensate the angular displacement in any direction on a pipeline.

Traditional ripple expansion joint is in connecting tube, generally all through flange and a plurality of bolt and pipeline fixed connection, in the installation with dismantle ripple expansion joint, need rotate a plurality of bolts, it is very hard to waste time.

To this end, we propose a single-type dumpling chain corrugated expansion joint provided with an anticorrosive coating to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a single-type dumpling chain corrugated expansion joint with an anticorrosive coating.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a single dumpling chain ripple expansion joint with anticorrosive coating, includes the expansion joint body, the equal fixedly connected with flange in both ends of expansion joint body, a plurality of screw holes have been seted up to the lateral wall of flange, and screw hole female connection has the screw rod, the one end fixedly connected with dog of screw rod, and the fixed a plurality of first latch of the outer wall of dog, the outer wall cover of dog is equipped with the lantern ring, and the inner wall fixedly connected with second latch of the lantern ring, first latch sets up with second latch meshing, one side that the screw rod was kept away from to the dog is provided with the commentaries on classics piece, and the one end fixedly connected with compression spring that the dog was kept away from to the commentaries on classics piece, compression spring keeps away from the one end and this fixed connection of expansion joint of commentaries on classics piece.

Preferably, a plurality of clamping grooves are formed in one side, close to the rotating block, of the stop block, a ball is clamped in each clamping groove, and one end, close to the rotating block, of the ball is abutted to the rotating block.

Preferably, the expansion joint body is externally sleeved with a bearing, the outer wall of the bearing is provided with a tooth groove, and the first clamping teeth are matched with the tooth groove.

Preferably, the outer wall of the lantern ring is fixedly sleeved with a rubber sleeve, and the outer wall of the rubber sleeve is provided with an anti-slip groove.

Preferably, the outer wall of one side of the screw rod close to the stop block is sleeved with a gasket, and the gasket is made of rubber.

Preferably, the inner wall of the expansion joint body is sprayed with an anticorrosive coating.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model, through the arrangement of the screw rod, the stop block, the first latch, the lantern ring and the second latch, etc. for use, when the expansion joint is installed or disassembled, the lantern ring is rotated to drive the stop blocks to rotate, the rotating stop block drives the screw rod to rotate, thereby the flange which can be fixed by rotating a plurality of bolts originally is enabled, now only the lantern ring is rotated to drive the screw rods to rotate, thereby the flange is fixed, and through the arrangement of the compression spring, when the screw rod is completely screwed to one side of the flange, when the ring belt screw rod of the rotating sleeve is rotated to go deep into the flange, the screw rod slides with the threaded hole at one side of the flange, and the compression spring can give a thrust to the screw rod when the screw rod is rotated to fix the flange, so that the screw rod can go deep into the flange and fix the flange better, through the arrangement of the threaded hole, one side of the screw rod flange can be taken in firstly when the expansion joint is installed, the installation of screw blocking flanges is avoided.

2. The utility model discloses, through setting up draw-in groove and ball cooperation, can reduce the dog and change pivoted frictional force between the piece, through setting up the bearing, can support the dog, avoid when rotating the lantern ring, the dog slope, through setting up the rubber sleeve, the frictional force on multiplicable lantern ring surface is convenient for rotate the lantern ring, through setting up the gasket, can increase the flexibility of contact between dog and the flange, through setting up anticorrosive coating, can increase the corrosion resistance of expansion joint body.

Drawings

Fig. 1 is a schematic front view of a single-type dumpling chain corrugated expansion joint provided with an anticorrosive coating, which is provided by the utility model;

fig. 2 is a schematic cross-sectional structural view of a single-type dumpling chain corrugated expansion joint provided with an anti-corrosion coating, which is provided by the utility model;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a block structure diagram of the single-type dumpling chain corrugated expansion joint provided with the anti-corrosion coating provided by the utility model;

fig. 5 is a lantern ring structure schematic diagram of the single-type dumpling chain corrugated expansion joint provided with the anti-corrosion coating.

In the figure: 1. an expansion joint body; 2. a flange; 3. a screw; 4. a stopper; 5. a first latch; 6. a collar; 7. a second latch; 8. a ball bearing; 9. rotating the block; 10. a compression spring; 11. a bearing; 12. a card slot; 13. a threaded bore.

Detailed Description

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

In the description of the present invention, 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, and are only for convenience of description and simplicity 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.

Referring to fig. 1-5, a single-type dumpling chain corrugated expansion joint with an anticorrosive coating comprises an expansion joint body 1, wherein flanges 2 are fixedly connected to both ends of the expansion joint body 1, a plurality of threaded holes 13 are formed in the side wall of the flanges 2, a screw rod 3 is connected in the threaded holes 13 in a threaded manner, a stop block 4 is fixedly connected to one end of the screw rod 3, a plurality of first clamping teeth 5 are fixed to the outer wall of the stop block 4, a lantern ring 6 is sleeved on the outer wall of the stop block 4, a second clamping tooth 7 is fixedly connected to the inner wall of the lantern ring 6, the first clamping teeth 5 and the second clamping teeth 7 are arranged in a meshed manner, a rotating block 9 is arranged on one side of the stop block 4 away from the screw rod 3, a compression spring 10 is fixedly connected to one end of the rotating block 9 away from the stop block 4, one end of the compression spring 10 away from the rotating block 9 is fixedly connected with the expansion joint body 1, and by arranging the compression spring 10, when the screw rod 3 is prevented from being fully rotated to one side of the flanges 2, when the lantern ring 6 is rotated to bring the screw rod 3 to go deep into the flange 2, the screw rod 3 slides with the threaded hole 13 on one side of the flange 2, and the compression spring 10 can provide thrust for the screw rod 3 when the screw rod 3 is rotated to fix the flange 2, so that the screw rod 3 can go deep into the flange 2 better.

Further, a plurality of draw-in grooves 12 have been seted up to dog 4 one side that is close to commentaries on classics piece 9, and the draw-in groove 12 inside callipers is equipped with ball 8, and ball 8 is close to the one end of changeing piece 9 and offsets with commentaries on classics piece 9 and sets up, through setting up draw-in groove 12 and the cooperation of ball 8, can reduce pivoted frictional force between dog 4 and the commentaries on classics piece 9.

Further, 1 overcoat of expansion joint body is equipped with bearing 11, and the outer wall of bearing 11 is opened and is equipped with the tooth's socket, and first latch 5 matches the setting with the tooth's socket, through setting up bearing 11, can support dog 4, avoids when rotating lantern ring 6, and dog 4 slopes.

Further, the fixed cover of outer wall of the lantern ring 6 is equipped with the rubber sleeve, and the outer wall of rubber sleeve has seted up anti-skidding groove, and through setting up the rubber sleeve, the frictional force on 6 surfaces of multiplicable lantern ring is convenient for rotate the lantern ring 6.

Further, the outer wall cover of one side that screw rod 3 is close to dog 4 is equipped with the gasket, and the gasket is the rubber material, through setting up the gasket, can increase the flexibility of contact between dog 4 and the flange 2.

Further, the inner wall of the expansion joint body 1 is sprayed with an anti-corrosion coating, and the anti-corrosion property of the expansion joint body 1 can be improved by arranging the anti-corrosion coating.

The utility model discloses in, when using, can at first reverse the lantern ring 6, make lantern ring 6 drive dog 4 and rotate, pivoted dog 4 drives screw rod 3 and rotates, pivoted screw rod 3 is through retrieving flange 2 with the screw hole 13 cooperation of flange 2 one side in, avoid screw rod 3 to block the installation that should load, establish the device card between two pipelines in the installation, rotate lantern ring 6 again, pivoted lantern ring 6 drives and drives a plurality of dog 4 and rotate, pivoted dog 4 drives screw rod 3 and rotates, pivoted screw rod 3 receives compression spring 10's thrust and screw hole 13 cooperation make screw rod 3 go deep into the nut of pipeline one side, continue to rotate the lantern ring 6 again, make lantern ring 6 and pipe connection tightly can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The single type dumpling chain corrugated expansion joint with the anticorrosive coating comprises an expansion joint body (1), wherein flanges (2) are fixedly connected to two ends of the expansion joint body (1), and is characterized in that a plurality of threaded holes (13) are formed in the side wall of each flange (2), a screw rod (3) is connected to each threaded hole (13) in an internal thread manner, a check block (4) is fixedly connected to one end of each screw rod (3), a plurality of first clamping teeth (5) are fixed to the outer wall of each check block (4), a sleeve ring (6) is sleeved on the outer wall of each check block (4), a second clamping tooth (7) is fixedly connected to the inner wall of each sleeve ring (6), the first clamping teeth (5) and the second clamping teeth (7) are arranged in a meshed manner, a rotating block (9) is arranged on one side, far away from the screw rods (3), of each check block (4), and a compression spring (10) is fixedly connected to one end, far away from each check block (4), of each rotating block (9), one end of the compression spring (10) far away from the rotating block (9) is fixedly connected with the expansion joint body (1).

2. The single-type dumpling chain corrugated expansion joint with the anti-corrosion coating is characterized in that one side, close to the rotating block (9), of the stop block (4) is provided with a plurality of clamping grooves (12), the clamping grooves (12) are internally provided with rolling balls (8) in a clamping mode, and one end, close to the rotating block (9), of each rolling ball (8) is abutted to the rotating block (9).

3. The single-hinge corrugated expansion joint with the anticorrosive coating is characterized in that a bearing (11) is sleeved outside the expansion joint body (1), a tooth groove is formed in the outer wall of the bearing (11), and the first clamping teeth (5) are matched with the tooth groove.

4. The single-type dumpling chain corrugated expansion joint with the anti-corrosion coating as claimed in claim 1, wherein a rubber sleeve is fixedly sleeved on the outer wall of the lantern ring (6), and an anti-slip groove is formed in the outer wall of the rubber sleeve.

5. The single-type dumpling chain corrugated expansion joint with the anti-corrosion coating is characterized in that a gasket is sleeved on the outer wall of one side, close to the stop block (4), of the screw rod (3), and the gasket is made of rubber.

6. The single-hinge corrugated expansion joint with the anticorrosive coating is characterized in that the anticorrosive coating is sprayed on the inner wall of the expansion joint body (1).