CN216867868U

CN216867868U - Clamp is moulded to PE electric smelting steel of high rigidity

Info

Publication number: CN216867868U
Application number: CN202123238718.9U
Authority: CN
Inventors: 蒋旭东
Original assignee: Yuyao Dongpu Pipe Industry Co ltd
Current assignee: Yuyao Dongpu Pipe Industry Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-07-01
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a high-rigidity PE electric melting steel-plastic clamp which comprises an upper clamping ring and a lower clamping ring, wherein an upper connecting lug is arranged at the end part of the upper clamping ring, a lower connecting lug is arranged at the end part of the lower clamping ring, mounting holes are respectively communicated with the upper connecting lug and the lower connecting lug, a connecting ring groove communicated with the mounting holes is formed in the top part of the upper connecting lug, a mounting ring is arranged in the connecting ring groove and made of a luminous rubber material, the inner diameter of the mounting ring is equal to that of the mounting holes, fixing screws are inserted into the mounting holes, a mounting groove is formed in the bottom of the lower connecting lug, a mounting block is connected in a sliding mode to the mounting groove, a clamping groove corresponding to the mounting holes is formed in the top surface of the mounting block, and fixing nuts for threaded connection of the fixing screws are inserted into the clamping groove. The bolt connecting device has the advantages that workers are guided to carry out bolt connection on the clamp in an environment with poor light, nuts are prevented from falling off, and operation is convenient.

Description

Clamp is moulded to PE electric smelting steel of high rigidity

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a high-rigidity PE electric melting steel-plastic clamp.

Background

In industrial applications, pipes are used for the transfer of working medium, and a clamp is required for fastening at the pipe joint. The clamp is a fastener commonly used, and has the advantages of simple structure, low price and convenient and fast disassembly and assembly. The fastening mode of current clamp is mostly bolted connection, constantly fastens the clamp through the torsion that produces with nut complex bolt rotation. The staff need use spanner fixation nut on one hand, and rotatory bolt is with its soon fit the nut and fasten the clamp on one hand, but, is in under the relatively poor environment of light at the pipeline environment, and when the staff fastened the clamp, the nut dropped easily, and the operation is comparatively inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical defects, and the high-rigidity PE electric melting steel-plastic hoop is designed and has the advantages that workers are guided to carry out bolt connection on the hoop in an environment with poor light, nuts are prevented from falling off, and the operation is convenient.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a clamp is moulded to PE electric smelting of high rigidity, includes snap ring and lower snap ring, the tip of going up the snap ring is provided with the engaging lug, the tip that the snap ring was established down is provided with down the engaging lug, go up the engaging lug with the mounting hole has all been link up to the engaging lug down, the top of going up the engaging lug seted up with the communicating joint ring groove of mounting hole, be provided with the collar in the joint ring groove, the collar is made for night light rubber materials, the internal diameter of collar equals the internal diameter of mounting hole, the mounting hole is pegged graft and is had clamping screw, the mounting groove has been seted up to the engaging lug bottom down, the mounting groove slides and is connected with the installation piece, the mounting piece top surface seted up with the draw-in groove that the mounting hole corresponds, the draw-in groove is pegged graft and is supplied clamping screw threaded connection's fixation nut.

Through the technical scheme, when a worker uses the clamp to fasten a pipeline in an environment with poor light, the upper snap ring and the lower snap ring are buckled at the joint of the pipeline, the upper connecting lug is abutted against the lower connecting lug, and then, the worker can insert the mounting block into the mounting groove until the mounting block abuts against the inner wall of the mounting groove, at this time, the mounting hole is coaxially aligned with the inner hole of the fixing nut, the mounting ring emits light to guide a worker to insert the fixing screw into the mounting hole, the inner groove wall of the clamping groove is abutted against the fixing nut, the clamp has the advantages that the fixing nut is positioned, the nut is prevented from falling, a relatively closed space is formed between the clamping groove and the bottom surface of the upper connecting lug, the nut can be protected, clamping groove workers only need to rotate the fixing bolt, and then the fixing bolt can be connected to the fixing nut in a threaded mode, so that the bolt connection of the clamp is completed, and the operation is relatively convenient.

Preferably, the mounting groove is provided with a positioning groove, and the mounting block is provided with a positioning block connected with the positioning groove in a sliding manner.

Through above-mentioned technical scheme, the slip between constant head tank and the locating piece is connected and is used for guiding the staff to insert the installation piece with the exact position in the mounting groove, avoids the installation piece in-process that slides to break away from the mounting groove.

Preferably, the side wall of the mounting block close to the clamping groove is provided with a concave ring groove, and the concave ring groove is communicated with the clamping groove.

Through the technical scheme, the axial length of the fixing nut is larger than the height of the clamping groove due to the arrangement of the concave ring groove, so that a worker can take out the fixing nut from the clamping groove conveniently and replace the fixing nut with a new one.

Preferably, a through hole corresponding to the mounting hole is arranged in the inner groove wall of the bottom of the clamping groove in a penetrating mode.

Through above-mentioned technical scheme, the through-hole is used for supplying clamping screw to pass through for longer clamping screw is applicable to the bolted connection of this clamp, improves the suitability of this clamp.

Preferably, the inner hole wall of the through hole is provided with an internal thread for screwing the fixing screw rod.

Through above-mentioned technical scheme, the internal thread cooperates with fixation nut, strengthens the fastening connection of fixation screw to this clamp, and the internal thread closes with fixation screw soon, has strengthened the leakproofness of through-hole, has avoided air or liquid to pass through in the through-hole gets into the draw-in groove, has further improved the guard action of draw-in groove to the nut.

Preferably, the inner ring wall of the upper snap ring and the inner ring wall of the lower snap ring are both provided with semicircular grooves, semicircular rings are arranged in the semicircular grooves and made of polyethylene materials, resistance wires are arranged in the semicircular rings, and the upper snap ring and the lower snap ring are both provided with welding machine connectors electrically connected with the corresponding resistance wires.

Through above-mentioned technical scheme, when this clamp was accomplished the fastening connection to PE pipeline joint department, two semicircle rings were inconsistent, and two resistance wires were inconsistent, and the staff can connect the electric connection with the welding machine, and to two resistance wire circular telegrams make its heating, the semicircle ring was made for the polyethylene material, and the semicircle ring produced the fuse-element and melts each other with PE pipeline outer wall, and the hot melt of this clamp and PE pipeline is connected to the completion after the cooling shaping.

Preferably, a heat insulation layer is arranged between the semicircular groove and the semicircular ring, and the heat insulation layer is made of ceramic fiber materials.

Through above-mentioned technical scheme, ceramic fiber material quality is light, thermal insulation performance is good, thermal stability is good, chemical stability is good, and when this clamp and PE pipeline hot melt are connected, the insulating layer is used for weakening semicircle ring and last snap ring and the heat transfer volume of snap ring down, improves the thermal utilization ratio to the resistance wire production, scalds when avoiding the high surface temperature of this clamp to lead to the staff to contact, still can avoid the resistance wire to take place the electric leakage simultaneously.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is an enlarged view of region a in fig. 2.

In the figure: 1. a snap ring is arranged; 2. a lower snap ring; 3. an upper connecting lug; 4. a lower engaging lug; 5. mounting holes; 6. a connecting ring groove; 7. a mounting ring; 8. fixing the screw rod; 9. mounting grooves; 10. mounting blocks; 11. a card slot; 12. fixing a nut; 13. positioning a groove; 14. Positioning blocks; 15. a concave ring groove; 16. a through hole; 17. an internal thread; 18. a semicircular groove; 19. a semicircular ring; 20. a resistance wire; 21. A welding machine joint; 22. an insulating layer.

Detailed Description

The utility model is further described by way of example with reference to the accompanying drawings.

Referring to fig. 1, 2 and 3, a high-rigidity PE electric melting steel-plastic clamp includes an upper snap ring 1 and a lower snap ring 2, an upper engaging lug 3 is provided at an end of the upper snap ring 1, a lower engaging lug 4 is provided at an end of the lower snap ring 2, mounting holes 5 are respectively provided through the upper engaging lug 3 and the lower engaging lug 4, the upper snap ring 1 and the upper engaging lug 3 are integrally formed, the lower snap ring 2 and the lower engaging lug 4 are integrally formed, the upper snap ring 1 and the lower snap ring 2 are made of plastic-steel material, and the clamp has excellent rigidity, elasticity, corrosion resistance and aging resistance, and the durability of the clamp is improved.

The mounting hole 5 is inserted with fixing screw 8, go up the top of engaging lug 3 and seted up and connect the annular 6 with the communicating connection of mounting hole 5, be provided with collar 7 in the annular 6 of connection, the internal diameter of collar 7 equals the internal diameter of mounting hole 5, collar 7 is made for luminous rubber materials, when the staff uses this clamp fastening pipeline under the relatively poor environment of light, luminous collar 7 is used for guiding the staff to insert fixing screw 8 in the mounting hole 5.

Mounting groove 9 has been seted up to lower engaging lug 4 bottom, and mounting groove 9 slides and is connected with installation piece 10, and installation piece 10 top surface is seted up the draw-in groove 11 that corresponds with mounting hole 5, and draw-in groove 11 pegs graft and is provided with the fixation nut 12 that supplies 8 threaded connection of clamping screw. The mounting groove 9 is provided with a positioning groove 13, and the mounting block 10 is provided with a positioning block 14 connected to the positioning groove 13 in a sliding manner. The sliding connection between the positioning groove 13 and the positioning block 14 is used for guiding a worker to insert the installation block 10 into the installation groove 9 at a correct position, and the installation block 10 is prevented from being separated from the installation groove 9 in the sliding process.

When

last snap ring

1 and 2 locks of lower snap ring when the joint department of pipeline, it is inconsistent with lower engaging lug 4 to go up engaging lug 3, the staff can insert installation piece 10 in mounting groove 9, when the installation piece 10 is inconsistent with the interior cell wall of mounting groove 9, mounting hole 5 aligns with fixation nut 12's the hole is coaxial, the interior cell wall of draw-in groove 11 is inconsistent with fixation nut 12, play the positioning action to fixation nut 12, avoid the nut to drop, and form comparatively inclosed space between the bottom surface of draw-in groove 11 and last engaging lug 3, but also protective nut, draw-in groove 11 staff only need rotate fixing bolt, alright with fixing bolt threaded connection in fixation nut 12, thereby accomplish the bolted connection to this clamp, it is comparatively convenient to operate.

The bottom inner groove wall of the clamping groove 11 is provided with a through hole 16 corresponding to the mounting hole 5 in a penetrating mode and used for allowing the fixing screw rod 8 to pass through, so that the longer fixing screw rod 8 is suitable for bolt connection of the hoop, and the applicability of the hoop is improved. The inner hole wall of the through hole 16 is provided with an inner thread 17 for screwing the fixing screw 8. Internal thread 17 and fixation nut 12 cooperation all close with fixation screw 8 soon, strengthen fixation screw 8 and to the fastening connection of this clamp, and internal thread 17 closes with fixation screw 8 soon, have strengthened the leakproofness of through-hole 16, have avoided air or liquid to pass through in through-hole 16 gets into draw-in groove 11, have further improved the guard action of draw-in groove 11 to the nut.

The side wall of the mounting block 10 close to the clamping groove 11 is provided with a concave ring groove 15, and the concave ring groove 15 is communicated with the clamping groove 11. The arrangement of the concave ring groove 15 enables the axial length of the fixing nut 12 to be larger than the height of the clamping groove 11, so that a worker can take the fixing nut 12 out of the clamping groove 11 conveniently and replace the fixing nut 12 with a new one.

Go up the inner wall of snap ring 1 and all set up half slot 18 with the inner wall of lower snap ring 2, be provided with semicircle ring 19 in the semicircle slot 18, be provided with insulating layer 22 between semicircle slot 18 and the semicircle ring 19, be provided with resistance wire 20 in the semicircle ring 19, it all is provided with the welding machine joint 21 of being connected with the resistance wire 20 electricity that corresponds with lower snap ring 2 to go up snap ring 1, semicircle ring 19 is made for the polyethylene material, when this clamp is accomplished to the fastening connection of PE pipeline joint department, two semicircle rings 19 are inconsistent, two resistance wires 20 are inconsistent, the staff can be connected welding machine and welding machine joint 21 electricity, it heats to energize two resistance wires 20, semicircle ring 19 makes for the polyethylene material, semicircle ring 19 produces the fuse-element and melts each other with PE pipeline outer wall, after the cooling shaping, accomplish the hot melt connection of this clamp and PE pipeline. Insulating layer 22 is made for ceramic fiber material, and its quality is light, thermal insulation performance is good, thermal stability is good, chemical stability is good, and when this clamp and PE pipeline hot melt are connected, insulating layer 22 is used for weakening semicircle ring 19 and last snap ring 1 and lower snap ring 2's heat transfer volume, improves the thermal utilization ratio to resistance wire 20 production, scald when avoiding the high staff's that leads to of the surface temperature of this clamp to contact, still can avoid resistance wire 20 to take place the electric leakage simultaneously.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides a clamp is moulded to PE electric smelting steel of high rigidity, includes snap ring (1) and lower snap ring (2), the tip of going up snap ring (1) is provided with engaging lug (3), the tip that lower snap ring (2) were established is provided with down engaging lug (4), go up engaging lug (3) with lower engaging lug (4) all link up mounting hole (5), characterized by: go up the top of engaging lug (3) seted up with communicating connection ring groove (6) of mounting hole (5), be provided with collar (7) in connection ring groove (6), collar (7) are made for luminous rubber material, the internal diameter of collar (7) equals the internal diameter of mounting hole (5), mounting hole (5) are pegged graft and are had clamping screw (8), mounting groove (9) have been seted up to engaging lug (4) bottom down, mounting groove (9) slide and are connected with installation piece (10), installation piece (10) top surface seted up with draw-in groove (11) that mounting hole (5) correspond, draw-in groove (11) are pegged graft and are had the confession clamping nut (12) of clamping screw (8) threaded connection.

2. The high-rigidity PE electrofusion steel-plastic clamp according to claim 1, wherein: the mounting groove (9) is provided with a positioning groove (13), and the mounting block (10) is provided with a positioning block (14) connected with the positioning groove (13) in a sliding manner.

3. The high-rigidity PE electric melting steel-plastic hoop according to claim 1, which is characterized in that: the mounting block (10) is close to the side wall of the clamping groove (11) and is provided with a concave ring groove (15), and the concave ring groove (15) is communicated with the clamping groove (11).

4. The high-rigidity PE electric melting steel-plastic hoop according to claim 1, which is characterized in that: and a through hole (16) corresponding to the mounting hole (5) is arranged through the inner groove wall at the bottom of the clamping groove (11).

5. The high-rigidity PE electric melting steel-plastic hoop according to claim 4, which is characterized in that: and the inner hole wall of the through hole (16) is provided with an inner thread (17) for screwing the fixing screw rod (8).

6. The high-rigidity PE electric melting steel-plastic hoop according to claim 1, which is characterized in that: go up the inner wall of snap ring (1) with semicircular groove (18) are all seted up to the inner wall of lower snap ring (2), be provided with semicircle ring (19) in semicircular groove (18), semicircle ring (19) are made for the polyethylene material, be provided with resistance wire (20) in semicircle ring (19), go up snap ring (1) with snap ring (2) down all be provided with the correspondence welding machine joint (21) that resistance wire (20) electricity is connected.

7. The high-rigidity PE electric melting steel-plastic hoop according to claim 6, which is characterized in that: a heat insulation layer (22) is arranged between the semicircular groove (18) and the semicircular ring (19), and the heat insulation layer (22) is made of ceramic fiber materials.