CN212929069U - Chain clamp for pipeline connection - Google Patents

Abstract

A chain type hoop for pipeline connection belongs to the technical field of pipeline connecting pieces; through set up the handle jump ring in the handle jump ring groove, because the second small connecting block overlaps in the optical axis department of handle, through the setting of handle jump ring, can prevent the horizontal slip of second small connecting block on the handle, still include a plurality of rubber cushion blocks in the chain clamp, rubber cushion block includes the trapezoidal portion of lower extreme, rubber cushion block can select not unidimensional rubber cushion block according to different pipe diameters to it is fixed to realize being connected between pipeline and the pipeline, the rubber cushion block of the different models of single chain clamp cooperation, the commonality of multiplicable chain clamp, thereby reduce the raw and other materials that need carry in the work progress.

Description

Chain clamp for pipeline connection

Technical Field

The utility model belongs to the technical field of the pipe connection spare, specifically relate to a chain clamp is used in pipe connection.

Background

At present, a mine, a construction site, a factory enterprise and the like widely use pipelines to convey fluids such as water, gas, slurry and the like, the existing pipeline connection mostly adopts welding, threaded connection or flange connection, but the connecting methods have the defects such as easy leakage, high process requirement, multiple processes, high cost and the like. For this reason, mechanical connectors such as pipe joints are now used to connect pipes to overcome the above-mentioned disadvantages. The Chinese utility model patent (patent number: 98223979.3) discloses a groove type mechanical joint, which is formed by combining two hoops with perforated lugs, wherein the inner sides of the hoops are provided with grooves, sealing rings are arranged in the grooves, and bolts are fastened by nuts after passing through the holes on the lugs. When the groove type mechanical joint is used for connecting pipelines, the pipelines which are connected only need to be provided with the grooves in advance, then the edges of the clamps are clamped into the grooves which are arranged in advance, and then the bolts and the nuts on the clamps are locked, so that the pipelines can be connected. However, when the mechanical joint adopting the structure is used for connecting pipelines, bolts and nuts on the clamp hoop need to be locked, so that long time is needed for connecting the pipelines every time, and the labor intensity is high. In temporary and short-term pipeline transportation occasions, such as mine operation and fire fighting, the pipelines are required to be quickly connected, and sometimes the pipelines are required to be frequently disassembled, so that the pipelines cannot be connected by using the mechanical connectors in the occasions.

Disclosure of Invention

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a chain clamp for the pipe connection.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a chain clamp for pipe connection, includes first connecting block, second connecting block, third connecting block, fourth connecting block and clamping mechanism, first connecting block, second connecting block, third connecting block, fourth connecting block and clamping mechanism circular array set up, be provided with the trapezoidal draw-in groove of connecting block on the front surface of first connecting block, the central point of the trapezoidal draw-in groove of connecting block puts the connecting block screw hole that runs through around being equipped with, the left side of the upper surface of first connecting block is equipped with the first cotter hole of connecting block that runs through from top to bottom, and the right side of the upper surface of first connecting block is equipped with the second cotter hole of connecting block that runs through from top to bottom, first connecting block, second connecting block, third connecting block, fourth connecting block the same structure, be equipped with first pin in the first cotter hole of connecting block, be equipped with the second pin in the second cotter hole of connecting block, clamping mechanism includes first little connecting block, The front surfaces of the first small connecting block and the second small connecting block are respectively provided with a clamping trapezoidal clamping groove, the right side surface of the first small connecting block is provided with a clamping threaded hole which is communicated from left to right, the right side surface of the second small connecting block is provided with an unthreaded hole which is communicated from left to right, the upper surface and the lower surface of the first small connecting block are respectively provided with a first short shaft, the upper surface and the lower surface of the two first short shafts are respectively corresponding to each other, the upper surface and the lower surface of the second small connecting block are respectively provided with a second short shaft, the upper positions and the lower positions of the two second short shafts are corresponding to each other, the lower end part of the handle is a thread, the middle section part of the handle is an optical axis, the joint of the thread and the optical axis is provided with a handle clamp spring groove, a handle clamp spring is arranged in the handle clamp spring groove, the second small connecting block is sleeved at the optical axis of the handle through the unthreaded hole, the first small connecting block is sleeved at the lower end, the second pin of first connecting block passes through the second connecting plate with the first pin of second connecting block and links to each other, the second pin of second connecting block passes through the third connecting plate with the first pin of third connecting block and links to each other, be equipped with the fourth connecting plate between the second pin of third connecting block and the first pin of fourth connecting block, be equipped with the fifth connecting plate between the second pin of fourth connecting block and the second minor axis.

Preferably, the rubber cushion block comprises a plurality of rubber cushion blocks, each rubber cushion block comprises a trapezoidal portion at the lower end, rubber cushion block threaded holes are formed in the lower surface of each trapezoidal portion and correspond to clamping threaded holes, and the rubber cushion blocks are embedded in corresponding trapezoidal clamping grooves of the connecting blocks through the trapezoidal portions and are connected through screws in a fastening mode.

Preferably, the upper ends and the lower ends of the first pin and the second pin, the first short shaft and the second short shaft are respectively provided with a clamp spring groove, a clamp spring is arranged in each clamp spring groove, and the first connecting plate, the second connecting plate, the third connecting plate, the fourth connecting plate and the fifth connecting plate are respectively connected and fixed with the corresponding first pin and the corresponding second pin through the clamp springs.

Preferably, the depth of the clamping threaded hole is equal to the length of the handle thread, and the depth of the unthreaded hole is equal to the length of the handle optical axis.

The utility model discloses beneficial effect who has: through set up the handle jump ring in the handle jump ring groove, because the second small connecting block overlaps in the optical axis department of handle, through the setting of handle jump ring, can prevent the horizontal slip of second small connecting block on the handle, still include a plurality of rubber cushion blocks in the chain clamp, rubber cushion block includes the trapezoidal portion of lower extreme, rubber cushion block can select not unidimensional rubber cushion block according to different pipe diameters to it is fixed to realize being connected between pipeline and the pipeline, the rubber cushion block of the different models of single chain clamp cooperation, the commonality of multiplicable chain clamp, thereby reduce the raw and other materials that need carry in the work progress.

Drawings

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

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic structural view of the rubber cushion block of the present invention;

FIG. 4 is a schematic bottom structure of the rubber cushion block of the present invention;

fig. 5 is a schematic structural diagram of the first connecting block of the present invention;

FIG. 6 is a schematic view of a first small connecting block of the present invention;

FIG. 7 is a schematic structural view of a second small connecting block of the present invention;

FIG. 8 is an enlarged schematic view of section A of FIG. 1;

fig. 9 is a schematic structural view of the handle of the present invention.

In the figure: 1. a first connection block; 2. a second connecting block; 3. a third connecting block; 4. a fourth connecting block; 5. a clamping mechanism; 6. a trapezoidal clamping groove of the connecting block; 7. a threaded hole of the connecting block; 8. a connecting block first pin hole; 9. a second pin hole of the connecting block; 10. a first pin; 11. a second pin; 12. a first small connecting block; 13. a second small connecting block; 14. a handle; 15. Clamping the trapezoidal clamping groove; 16. clamping the threaded hole; 17. a light hole; 18. a first minor axis; 19. a second minor axis; 20. a handle clamp spring slot; 21. a handle clamp spring; 22. a first connecting plate; 23. a second connecting plate; 24. a third connecting plate; 25. a fourth connecting plate; 26. a fifth connecting plate; 27. a rubber cushion block; 28. a trapezoidal portion; 29. and a threaded hole of the rubber cushion block.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a chain type hoop for pipeline connection is shown in figures 1-9 and comprises a first connecting block 1, a second connecting block 2, a third connecting block 3, a fourth connecting block 4 and a clamping mechanism 5, wherein the first connecting block 1, the second connecting block 2, the third connecting block 3, the fourth connecting block 4 and the clamping mechanism are arranged in an annular array manner, a connecting block trapezoidal clamping groove 6 is arranged on the front surface of the first connecting block 1, a connecting block threaded hole 7 which penetrates through the front and the back is formed in the center position of the connecting block trapezoidal clamping groove 6, a connecting block first pin hole 8 which penetrates through the upper surface and the lower surface is formed in the left side of the upper surface of the first connecting block 1, a connecting block second pin hole 9 which penetrates through the upper surface and the lower surface is formed in the right side of the upper surface of the first connecting block 1, the second connecting block 2, the third connecting block 3 and the fourth connecting block 4 are identical in structure, a first pin 10 is arranged in the connecting block first, a second pin 11 is arranged in a second pin hole 9 of the connecting block, the clamping mechanism 5 comprises a first small connecting block 12, a second small connecting block 13 and a handle 14, the front surfaces of the first small connecting block 12 and the second small connecting block 13 are respectively provided with a clamping trapezoidal clamping groove 15, the right side surface of the first small connecting block 12 is provided with a clamping threaded hole 16 which is communicated from left to right, the right side surface of the second small connecting block 13 is provided with a smooth hole 17 which is communicated from left to right, the upper and lower surfaces of the first small connecting block 12 are respectively provided with a first short shaft 18, the upper and lower positions of the two first short shafts 18 correspond to each other, the upper and lower surfaces of the second small connecting block 13 are respectively provided with a second short shaft 19, the upper and lower positions of the two second short shafts 19 correspond to each other, the lower end part of the handle 14 is a screw thread, the middle section part of the handle 14 is an optical axis, a handle clamp spring groove 20 is arranged at the, because the second small connecting block 13 is sleeved at the optical axis of the handle 14, through the arrangement of the handle snap spring 21, the second small connecting block 13 can be prevented from sliding left and right on the handle 14, the second small connecting block 13 is sleeved at the optical axis of the handle 14 through the optical hole 17, the first small connecting block 12 is sleeved at the thread of the handle 14 through the clamping threaded hole 16, a first connecting plate 22 is arranged between the first short shaft 18 and the first pin 10 of the first connecting block 1, the second pin 11 of the first connecting block 1 is connected with the first pin 10 of the second connecting block 2 through a second connecting plate 23, the second pin 11 of the second connecting block 2 is connected with the first pin 10 of the third connecting block 3 through a third connecting plate 24, a fourth connecting plate 25 is arranged between the second pin 11 of the third connecting block 3 and the first pin 10 of the fourth connecting block 4, a fifth connecting plate 26 is arranged between the second pin 11 and the second short shaft 19 of the fourth connecting block 4.

The chain type hoop further comprises a plurality of rubber cushion blocks 27, each rubber cushion block 27 comprises a trapezoidal portion 28 at the lower end, the rubber cushion blocks 27 with different sizes can be selected according to different pipe diameters, connection and fixation between pipelines are achieved, the single chain type hoop is matched with the rubber cushion blocks 27 with different models, universality of the chain type hoop can be improved, raw materials needing to be carried in the construction process are reduced, rubber cushion block threaded holes 29 are formed in the lower surface of the trapezoidal portion 28, the rubber cushion block threaded holes 29 correspond to the clamping threaded holes 16 in position, and the rubber cushion blocks 27 are embedded in the corresponding connecting block trapezoidal clamping grooves 6 through the trapezoidal portions 28 and are connected through screws in a fastening mode; the upper ends and the lower ends of the first pin 10 and the second pin 11, the first short shaft 18 and the second short shaft 19 are respectively provided with a clamp spring groove, a clamp spring is arranged in each clamp spring groove, and the first connecting plate 22, the second connecting plate 23, the third connecting plate 24, the fourth connecting plate 25 and the fifth connecting plate 26 are respectively connected and fixed with the corresponding first pin 10 and the corresponding second pin 11 through the clamp springs; the depth of the clamping threaded hole 16 is equal to the thread length of the handle 14, and the depth of the unthreaded hole 17 is equal to the length of the optical axis of the handle 14.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims (4)

1. The utility model provides a chain clamp for pipe connection, includes first connecting block (1), second connecting block (2), third connecting block (3), fourth connecting block (4) and clamping mechanism (5), its characterized in that: the first connecting block (1), the second connecting block (2), the third connecting block (3), the fourth connecting block (4) and the clamping mechanism (5) are arranged in an annular array manner, a connecting block trapezoidal clamping groove (6) is formed in the front surface of the first connecting block (1), a connecting block threaded hole (7) which penetrates through the front and the back is formed in the center position of the connecting block trapezoidal clamping groove (6), a connecting block first pin hole (8) which penetrates through the upper and the lower portions is formed in the left side of the upper surface of the first connecting block (1), a connecting block second pin hole (9) which penetrates through the upper and the lower portions is formed in the right side of the upper surface of the first connecting block (1), the second connecting block (2), the third connecting block (3) and the fourth connecting block (4) are identical in structure, a first pin (10) is arranged in the connecting block first pin hole (8), a second pin (11) is arranged in the connecting block second pin hole (9), the clamping mechanism (5) comprises a first small connecting block (12), a second small connecting block (13) and a handle (14), wherein clamping trapezoidal clamping grooves (15) are formed in the front surfaces of the first small connecting block (12) and the second small connecting block (13), clamping threaded holes (16) which are communicated left and right are formed in the right side surface of the first small connecting block (12), unthreaded holes (17) which are communicated left and right are formed in the right side surface of the second small connecting block (13), first short shafts (18) are arranged on the upper surface and the lower surface of the first small connecting block (12), the two first short shafts (18) correspond to each other in the vertical position, second short shafts (19) are arranged on the upper surface and the lower surface of the second small connecting block (13), the two second short shafts (19) correspond to each other in the vertical position, the lower end of the handle (14) is a thread, the middle section of the handle (14) is an optical axis, and a handle clamp spring groove (20) is formed at the, a handle clamp spring (21) is arranged in the handle clamp spring groove (20), the second small connecting block (13) is sleeved at the optical axis of the handle (14) through an unthreaded hole (17), the first small connecting block (12) is in threaded connection with the lower end part of the handle (14) through a clamping threaded hole (16), a first connecting plate (22) is arranged between the first short shaft (18) and the first pin (10) of the first connecting block (1), the second pin (11) of the first connecting block (1) is connected with the first pin (10) of the second connecting block (2) through a second connecting plate (23), the second pin (11) of the second connecting block (2) is connected with the first pin (10) of the third connecting block (3) through a third connecting plate (24), a fourth connecting plate (25) is arranged between the second pin (11) of the third connecting block (3) and the first pin (10) of the fourth connecting block (4), and a fifth connecting plate (26) is arranged between the second pin (11) of the fourth connecting block (4) and the second short shaft (19).

2. The chain clamp for pipe connection according to claim 1, wherein: still include a plurality of rubber cushion blocks (27), rubber cushion block (27) include trapezoidal portion (28) of lower extreme, and the lower surface of trapezoidal portion (28) is equipped with rubber cushion block screw hole (29), rubber cushion block screw hole (29) are corresponding with tight screw hole (16) position of clamp, inlay in the trapezoidal draw-in groove of connecting block (6) that correspond through trapezoidal portion (28) rubber cushion block (27) to through screw fastening connection.

3. The chain clamp for pipe connection according to claim 1, wherein: the clamp spring fixing device is characterized in that clamp spring grooves are formed in the upper end and the lower end of the first pin (10) and the second pin (11), the first short shaft (18) and the second short shaft (19), clamp springs are arranged in the clamp spring grooves, and the first connecting plate (22), the second connecting plate (23), the third connecting plate (24), the fourth connecting plate (25) and the fifth connecting plate (26) are fixedly connected with the corresponding first pin (10) and the corresponding second pin (11) through the clamp springs.

4. The chain clamp for pipe connection according to claim 1, wherein: the depth of the clamping threaded hole (16) is equal to the length of a thread on the handle (14), and the depth of the unthreaded hole (17) is equal to the length of an optical axis of the handle (14).

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