CN213018246U

CN213018246U - Connecting joint for prestressed plastic corrugated pipe

Info

Publication number: CN213018246U
Application number: CN202021957765.1U
Authority: CN
Inventors: 王力
Original assignee: Hangzhou Hongbang Plastic Products Co ltd
Current assignee: Hangzhou Hongbang Plastic Products Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-04-20
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a be used for prestressing force plastic corrugated pipe attach fitting, including sealing layer, first connecting block, telescopic link, first fixed block and second fixed block, torsion spring is installed in the outside of pivot. The utility model discloses a first fixed block and second fixed block constitute the block structure, block structure convenient to detach, can go into the inside of first fixed block with second fixed block card, then the torsion spring in the pivot outside has elasticity, torsion spring's elasticity can drive the pivot rotatory, the rotatory buckle that just can drive its one side of pivot is rotatory, the rotatory inside that just can go into first fixed block of buckle, link together first fixed block and second fixed block, when needs unpack apart the joint, pull open the buckle, let the buckle no longer block first fixed block, just can unpack first fixed block and second fixed block apart, reach this and be used for prestressing force plastic corrugated pipe to be convenient for carry out the purpose that the dismouting is connected to the joint.

Description

Connecting joint for prestressed plastic corrugated pipe

Technical Field

The utility model relates to a bellows production technical field specifically is a be used for prestressing force plastic corrugated pipe with attach fitting.

Background

With the continuous development of the society, the corrugated pipe production industry has been developed vigorously, the corrugated pipe refers to a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, the corrugated pipe is widely applied in instruments and meters, the corrugated pipe is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, and a connecting joint for the corrugated pipe is a part for connecting the corrugated pipe.

The traditional connecting joint for the prestressed plastic corrugated pipe is difficult to disassemble and assemble the joint, and the corrugated pipe needs to be connected and disassembled when in use, so that the connecting joint is convenient to use and adapts to different conditions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for prestressing force plastic corrugated pipe attach fitting to it is difficult to carry out the problem that the dismouting is connected to the joint to provide the attach fitting for prestressing force plastic corrugated pipe in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a connector for prestressed plastic corrugated pipe, includes sealing layer, first connecting block, telescopic link, first fixed block and second fixed block, the second fixed block is installed to one side of first fixed block, the telescopic link is all installed to one side of first fixed block and second fixed block, and one side of telescopic link installs first connecting block, the second connecting block is installed to the opposite side of telescopic link, the fixed screw is installed on the top of telescopic link, limit structure is all installed to one side of first connecting block and second connecting block, limit structure is used for fixing spacing use to the bellows, the inside of first connecting block and second connecting block all is provided with the recess, and the internally mounted of recess has the sealing layer, the dismouting structure is all installed to the top and the bottom of first fixed block, and the dismouting structure includes fixed plate, pivot, first connecting block, and the dismouting structure includes fixed plate, pivot, Torsion spring and buckle, the top and the bottom at first fixed block are installed to the fixed plate, the pivot is installed to the inboard of fixed plate, and the buckle is installed to one side of pivot, torsion spring is installed in the outside of pivot.

Preferably, limit structure includes first staple bolt, second staple bolt and threaded rod, one side at first connecting block and second connecting block is installed to first staple bolt, the bottom of first staple bolt is provided with the second staple bolt, the threaded rod is all installed to the both sides of first staple bolt.

Preferably, the outer side wall of the threaded rod is evenly provided with external threads, the inner side wall of the first hoop is evenly provided with internal threads matched with the external threads, and the threaded rod is in threaded connection with the first hoop.

Preferably, the inside of telescopic link is provided with the spout, one side of first fixed block is provided with the pulley, telescopic link and first fixed block constitute sliding structure.

Preferably, a clamping block is arranged on one side of the second fixing block, a clamping groove is arranged on one side of the first fixing block, and the second fixing block and the first fixing block form a clamping structure.

Preferably, the torsion spring may be in a spiral shape, and the torsion spring and the rotating shaft are elastically connected.

Compared with the prior art, the beneficial effects of the utility model are that: the connecting joint for the prestressed plastic corrugated pipe not only realizes the purpose that the connecting joint for the prestressed plastic corrugated pipe is convenient for the disassembly and assembly connection of the joint, but also realizes the purpose that the connecting joint for the prestressed plastic corrugated pipe is convenient for the limitation of the corrugated pipe, and also realizes the purpose that the connecting joint for the prestressed plastic corrugated pipe is convenient for the adjustment of the joint length;

(1) the first fixing block and the second fixing block form a clamping structure, the clamping structure is convenient to disassemble, the second fixing block can be clamped into the first fixing block, then a torsion spring on the outer side of the rotating shaft has elasticity, the elasticity of the torsion spring can drive the rotating shaft to rotate, the rotating shaft can drive a buckle on one side of the rotating shaft to rotate, the buckle can be clamped into the first fixing block in a rotating mode, the first fixing block and the second fixing block are connected together, when the joint needs to be disassembled, the buckle is pulled open, the buckle does not clamp the first fixing block any more, the first fixing block and the second fixing block can be disassembled, and therefore the purpose that the joint is convenient to disassemble and assemble and connect the joint for the prestressed plastic corrugated pipe is achieved;

(2) the second hoop is arranged at the bottom end of the first hoop, the first hoop is connected with the second hoop through a threaded rod, the threaded rod is in threaded connection with the first hoop and the second hoop, and the direction of threads on two sides of the central axis of the threaded rod is opposite, so that when the threaded rod is screwed, the first hoop and the second hoop can be driven to move in opposite directions, the corrugated pipe can be clamped in the middle to fix the corrugated pipe, and the purpose that the corrugated pipe is limited by the connecting joint for the prestressed plastic corrugated pipe is achieved;

(3) through all installing the telescopic link in one side of first fixed block and second fixed block, the telescopic link can slide in the outside of first fixed block and second fixed block, and the telescopic link slides just can adjust the length of joint, when the joint adjusts suitable length, can screw up fixed screw and fix the telescopic link to this reaches the purpose that is used for prestressing force plastic corrugated pipe with the coupling joint be convenient for adjust joint length.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is a front view structure diagram of the dismounting structure of the present invention.

In the figure: 1. a limiting structure; 101. a first hoop; 102. a second hoop; 103. a threaded rod; 2. a sealing layer; 3. a first connection block; 4. a telescopic rod; 5. a first fixed block; 6. a second fixed block; 7. a groove; 8. a second connecting block; 9. a disassembly and assembly structure; 901. a fixing plate; 902. a rotating shaft; 903. a torsion spring; 904. buckling; 10. and fixing the screw.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a connecting joint for a prestressed plastic corrugated pipe comprises a sealing layer 2, a first connecting block 3, an expansion link 4, a first fixing block 5 and a second fixing block 6, wherein the second fixing block 6 is mounted on one side of the first fixing block 5, a clamping block is arranged on one side of the second fixing block 6, a clamping groove is formed in one side of the first fixing block 5, and the second fixing block 6 and the first fixing block 5 form a clamping structure;

one sides of the first fixing block 5 and the second fixing block 6 are both provided with a telescopic rod 4, a sliding chute is arranged inside the telescopic rod 4, one side of the first fixing block 5 is provided with a pulley, and the telescopic rod 4 and the first fixing block 5 form a sliding structure;

a first connecting block 3 is installed on one side of a telescopic rod 4, a second connecting block 8 is installed on the other side of the telescopic rod 4, a fixing screw 10 is installed at the top end of the telescopic rod 4, a limiting structure 1 is installed on one side of each of the first connecting block 3 and the second connecting block 8, the limiting structure 1 comprises a first hoop 101, a second hoop 102 and a threaded rod 103, the first hoop 101 is installed on one side of each of the first connecting block 3 and the second connecting block 8, the second hoop 102 is arranged at the bottom end of the first hoop 101, the threaded rods 103 are installed on two sides of the first hoop 101, external threads are uniformly arranged on the outer side wall of the threaded rod 103, internal threads matched with the external threads are uniformly arranged on the inner side wall of the first hoop 101, and the threaded rods 103 are in threaded connection with the first hoop 101;

specifically, when the structure is used, firstly, the first anchor ear 101 and the second anchor ear 102 are connected through the threaded rod 103, the first anchor ear 101 and the second anchor ear 102 form threaded connection, and the directions of threads on two sides of the central axis of the threaded rod 103 are opposite, so that when the threaded rod 103 is screwed, the first anchor ear 101 and the second anchor ear 102 can be driven to move in opposite directions, and the corrugated pipe can be clamped in the middle to fix the corrugated pipe;

the limiting structure 1 is used for fixing and limiting the corrugated pipe, grooves 7 are formed in the first connecting block 3 and the second connecting block 8, sealing layers 2 are mounted in the grooves 7, dismounting structures 9 are mounted at the top end and the bottom end of the first fixing block 5, the dismounting structures 9 comprise fixing plates 901, rotating shafts 902, torsion springs 903 and buckles 904, the fixing plates 901 are mounted at the top end and the bottom end of the first fixing block 5, the rotating shafts 902 are mounted on the inner sides of the fixing plates 901, the buckles 904 are mounted on one sides of the rotating shafts 902, the torsion springs 903 are mounted on the outer sides of the rotating shafts 902, the torsion springs 903 can be spiral in shapes, and the torsion springs 903 and the rotating shafts 902 are in elastic connection;

specifically, when using this structure, at first fixed block 5 and second fixed block 6 constitute the block structure, block structure convenient to detach, can block the inside of first fixed block 5 with second fixed block 6 card, then torsion spring 903 in the pivot 902 outside has elasticity, torsion spring 903's elasticity can drive pivot 902 rotatory, pivot 902 is rotatory just can drive the buckle 904 of its one side rotatory, buckle 904 is rotatory just can block the inside of first fixed block 5, link together first fixed block 5 and second fixed block 6, when need unpack apart the joint, pull open buckle 904, let buckle 904 no longer block first fixed block 5, just can unpack first fixed block 5 and second fixed block 6 apart, can make up and dismantle according to the condition of difference when using like this.

The working principle is as follows: when the connector is used, firstly, the first fixing block 5 and the second fixing block 6 form a clamping structure, the clamping structure is convenient to disassemble, the second fixing block 6 can be clamped into the first fixing block 5, then the torsion spring 903 on the outer side of the rotating shaft 902 has elasticity, the elasticity of the torsion spring 903 can drive the rotating shaft 902 to rotate, the rotating shaft 902 can drive the buckle 904 on one side of the rotating shaft to rotate, the buckle 904 rotates to be clamped into the first fixing block 5, the first fixing block 5 and the second fixing block 6 are connected together, when the connector needs to be disassembled, the buckle 904 is pulled open, the buckle 904 does not clamp the first fixing block 5 any more, and the first fixing block 5 and the second fixing block 6 can be disassembled;

secondly, the first anchor ear 101 and the second anchor ear 102 are connected through a threaded rod 103, the threaded rod 103 is in threaded connection with the first anchor ear 101 and the second anchor ear 102, and the directions of threads on two sides of the central axis of the threaded rod 103 are opposite, so that when the threaded rod 103 is screwed, the first anchor ear 101 and the second anchor ear 102 can be driven to move in opposite directions, and the corrugated pipe can be clamped in the middle to fix the corrugated pipe;

finally, the telescopic rod 4 and the first fixing block 5 and the second fixing block 6 form a sliding structure, the telescopic rod 4 can slide outside the first fixing block 5 and the second fixing block 6, the length of the joint can be adjusted by sliding the telescopic rod 4, when the joint is adjusted to be a proper length, the telescopic rod 4 can be fixed by screwing the fixing screw 10, and the sealing layer 2 in the groove 7 can improve the sealing performance of the joint.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be used for prestressing force plastic corrugated pipe attach fitting, includes sealing layer (2), first splice block (3), telescopic link (4), first fixed block (5) and second fixed block (6), its characterized in that: the corrugated pipe fixing device is characterized in that a second fixing block (6) is installed on one side of the first fixing block (5), a telescopic rod (4) is installed on one side of the first fixing block (5) and one side of the second fixing block (6), a first connecting block (3) is installed on one side of the telescopic rod (4), a second connecting block (8) is installed on the other side of the telescopic rod (4), a fixing screw (10) is installed at the top end of the telescopic rod (4), a limiting structure (1) is installed on one side of the first connecting block (3) and one side of the second connecting block (8), the limiting structure (1) is used for fixing and limiting a corrugated pipe, a groove (7) is formed in the first connecting block (3) and the second connecting block (8), a sealing layer (2) is installed in the groove (7), and a dismounting structure (9) is installed on the top end and the bottom end of the first fixing, and dismouting structure (9) are including fixed plate (901), pivot (902), torsion spring (903) and buckle (904), the top and the bottom at first fixed block (5) are installed to fixed plate (901), pivot (902) are installed to the inboard of fixed plate (901), and buckle (904) are installed to one side of pivot (902), torsion spring (903) are installed to the outside of pivot (902).

2. A connector fitting for pre-stressed plastic corrugated tubing, as claimed in claim 1, wherein: limiting structure (1) includes first staple bolt (101), second staple bolt (102) and threaded rod (103), one side at first connecting block (3) and second connecting block (8) is installed to first staple bolt (101), the bottom of first staple bolt (101) is provided with second staple bolt (102), threaded rod (103) are all installed to the both sides of first staple bolt (101).

3. A connector fitting for pre-stressed plastic corrugated tubing, as claimed in claim 2, wherein: the outer side wall of the threaded rod (103) is evenly provided with external threads, the inner side wall of the first hoop (101) is evenly provided with internal threads matched with the external threads, and the threaded rod (103) is in threaded connection with the first hoop (101).

4. A connector fitting for pre-stressed plastic corrugated tubing, as claimed in claim 1, wherein: the inside of telescopic link (4) is provided with the spout, one side of first fixed block (5) is provided with the pulley, telescopic link (4) and first fixed block (5) constitute sliding construction.

5. A connector fitting for pre-stressed plastic corrugated tubing, as claimed in claim 1, wherein: one side of the second fixing block (6) is provided with a clamping block, one side of the first fixing block (5) is provided with a clamping groove, and the second fixing block (6) and the first fixing block (5) form a clamping structure.

6. A connector fitting for pre-stressed plastic corrugated tubing, as claimed in claim 1, wherein: the torsion spring (903) can be in a spiral shape, and the torsion spring (903) and the rotating shaft (902) form elastic connection.