CN214379966U

CN214379966U - Strain clamp for fixing cable

Info

Publication number: CN214379966U
Application number: CN202120315530.0U
Authority: CN
Inventors: 李小军
Original assignee: Zhongtian Huatong Power Technology Co ltd
Current assignee: Zhongtian Huatong Power Technology Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-08
Anticipated expiration: 2031-02-03

Abstract

The utility model belongs to the technical field of the electric power fitting technique and specifically relates to a strain clamp is used to cable is fixed is disclosed, including door type frame, door type frame lower extreme pin joint has a fixed baseplate, door type frame xarm central authorities rotate and install the axis of rotation, peg graft in fixed cover in the axis of rotation upper end, the closing cap is installed through the screw thread in the fixed cover upper end, surface welding has two fixing clips on the closing cap, the axis of rotation inserts the outside nested compression spring that has of one end of fixed cover, fixed baseplate is positive polygon prism type, the shaping has a fixed screw on every lateral wall of fixed baseplate, install at least one fixing-line device through the screw thread on the fixed baseplate outer wall. Has the advantages that: 1-4 wire clamps can be installed at the same time, the installation and fixation of cables under different use conditions are met, the use range is wide, and the fixation is firm; the cable of at least one kind of diameter can be fixed on every fixing-line device, makes things convenient for the fixed use of cable of different diameters.

Description

Strain clamp for fixing cable

Technical Field

The utility model belongs to the technical field of the electric power fitting technique and specifically relates to a strain clamp is used to cable is fixed.

Background

The wire clamp is an iron or aluminum metal accessory capable of being fixed on a wire, most of the wire clamp needs to bear large tensile force during operation, and some wire clamps need to ensure good electrical contact. The fastener mainly divide into: the strain clamp comprises an equipment clamp, a fuse clamp, a holding clamp, a terminal clamp, a piercing grounding clamp, a wire clamp, an insulation piercing clamp, a double-end clamp, a lead-in clamp and the like, wherein the strain clamp can be roughly divided into two types according to different structures and installation conditions. The first type: the strain clamp is required to bear the whole tensile force of the conducting wire or the lightning conductor, the clamp holding force is not less than 90 percent of the rated tensile force of the installed conducting wire or the lightning conductor, and the strain clamp is not used as an electric conductor. The wire clamp can be detached after the wire is installed and used additionally. The cable clamp comprises a bolt type strain clamp, a wedge type strain clamp and the like. The second type: the strain clamp can bear all the tensile force of the conducting wire or the lightning conductor and can also be used as a conductor. Therefore, once the wire clamp is installed, the wire clamp can not be disassembled any more, and the wire clamp is also called a dead wire clamp.

The existing strain clamp is only suitable for fixing a cable with one size, and the bending angle of the cable is not adjustable and is fixed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just provide a strain clamp is used fixedly to cable in order to solve above-mentioned problem.

The technical scheme of the utility model is realized like this:

the utility model provides a strain clamp is used to cable is fixed, includes door type frame, door type frame lower extreme pin joint has fixed baseplate, door type frame xarm central authorities rotate and install the axis of rotation, peg graft in fixed cover in the axis of rotation upper end, the closing cap is installed through the screw thread to fixed cover upper end, surface welding has two fixing clips on the closing cap, the axis of rotation inserts the outside nestification of one end of fixed cover has compression spring, fixed baseplate is regular polygon prism type, the shaping has a fixed screw on every lateral wall of fixed baseplate, install at least one fixing-line ware through the screw thread on the fixed baseplate outer wall.

Furthermore, the fixed base is rotatably installed on the door-shaped frame through a pin shaft.

Further, the fixing device comprises a clamping seat, a thread column matched with the fixing screw hole is formed in the rear side of the clamping seat, a thread clamping cover is fixed to the front side of the clamping seat through a screw, and a plurality of arc-shaped fixing grooves are formed in the contact surface of the clamping seat and the contact surface of the thread clamping cover.

Further, the inside buckle of arc fixed slot is fixed with the slipmat, the slipmat adopts the arc rubber slab to make, integrated into one piece has a plurality of chucking piece on the slipmat outer wall, integrated into one piece has anti-skidding line on the slipmat inner wall, the shaping have on the arc fixed slot lateral wall with the draw-in groove of chucking piece cooperation installation.

Furthermore, the number of the arc-shaped fixing grooves is at least two, and the diameters of the two arc-shaped fixing grooves are different.

Furthermore, the two ends of the clamping seat are recessed downwards to form positioning clamping grooves, the two ends of the wire clamping cover are protruded outwards to form positioning convex columns, the positioning convex columns are matched with the positioning clamping grooves in size, and screws for fixing the clamping seat and the wire clamping cover penetrate through the positioning clamping grooves and the positioning convex columns.

Furthermore, one end of the threaded column, which is close to the clamping seat, is provided with a regular hexagon boss, and the regular hexagon boss is integrally formed with the clamping seat and the clamping seat.

By adopting the technical scheme, the beneficial effects of the utility model are that: 1-4 wire clamps can be installed at the same time, the installation and fixation of cables under different use conditions are met, the use range is wide, and the fixation is firm; the cable of at least one kind of diameter can be fixed on every fixing-line device, makes things convenient for the fixed use of cable of different diameters.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the utility model with the wire clamp removed;

fig. 3 is a schematic structural view of the wire clamping device of the present invention;

FIG. 4 is a perspective view of the non-slip mat of the present invention;

fig. 5 is a front view of the non-slip mat of the present invention.

The reference numerals are explained below:

1. a fixed base; 2. fixing screw holes; 3. a wire clamping device; 31. a holder; 32. a wire clamping cover; 33. an arc-shaped fixing groove; 34. positioning the clamping groove; 35. positioning the convex column; 36. a regular hexagonal boss; 37. a threaded post; 38. a non-slip mat; 381. a clamping block; 382. anti-skid lines; 4. a gantry frame; 5. a rotating shaft; 6. fixing a sleeve; 7. a compression spring; 8. sealing the cover; 9. and (6) fixing the card.

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 efforts belong to the protection scope of the present invention.

As shown in fig. 1-5, a strain clamp for fixing a cable comprises a door-shaped frame 4, a fixed base 1 is pin-connected with the lower end of the door-shaped frame 4, a rotating shaft 5 is rotatably installed in the center of a cross arm of the door-shaped frame 4, the upper end of the rotating shaft 5 is inserted into a fixed sleeve 6, a seal cover 8 is installed at the upper end of the fixed sleeve 6 through threads, two fixed clamps 9 are welded on the upper surface of the seal cover 8, a compression spring 7 is nested outside one end of the rotating shaft 5 inserted into the fixed sleeve 6, because the cable blows the pull force that compression spring 7 can be continuous flexible buffering pull force under the too big condition of pull force that the cable lead to the fastener to bear, fixed baseplate 1 is the regular polygon prism type, and the shaping has a fixed screw 2 on every lateral wall of fixed baseplate 1, installs at least one fixing-line device 3 through the screw thread on 1 outer wall of fixed baseplate, as required, can be fixed with a fixing-line device 3 on every lateral wall of fixed baseplate 1.

In this embodiment, the fixed base 1 is installed on the door-shaped frame 4 through the round pin axle rotation, and the fixed base 1 can rotate the angle at will, uses when easy to assemble.

In this embodiment, fixing device 3 includes holder 31, the shaping of holder 31 rear side has the screw thread post 37 of matcing the installation with fixed screw 2, there is wire clamping cover 32 holder 31 front side through the fix with screw, the shaping has a plurality of arc fixed slot 33 on holder 31 and wire clamping cover 32's the contact surface, during the fixed, the cable is placed in arc fixed slot 33, along with the tightening of screw, the clearance between holder 31 and the wire clamping cover 32 reduces gradually, thereby be close to the cable gradually and step up the cable.

In this embodiment, the inside buckle of arc fixed slot 33 is fixed with slipmat 38, slipmat 38 adopts the arc rubber slab to make, integrated into one piece has a plurality of chucking piece 381 on the slipmat 38 outer wall, integrated into one piece has anti-skidding line 382 on the slipmat 38 inner wall, the shaping has the draw-in groove of installing with the cooperation of chucking piece 381 on the arc fixed slot 33 lateral wall, anti-skidding line 382 can increase frictional force, improve fixed firmness, slipmat 38 fixes in arc fixed slot 33 through chucking piece 381, slipmat 38 drops when can avoiding fixing.

In this embodiment, the number of the arc fixing grooves 33 is at least two, and the diameters of the two arc fixing grooves 33 are different, so that cables with different diameters can be conveniently fixed.

In this embodiment, the sunken shaping in holder 31 both ends has positioning groove 34, and the outside protrusion in wire clamping lid 32 both ends forms positioning convex column 35, and positioning convex column 35 and positioning groove 34 size cooperation, the screw of fixed holder 31 and wire clamping lid 32 pass from positioning groove 34 and positioning convex column 35, and positioning convex column 35 card can prevent wire clamping lid 32 from rocking about in positioning groove 34 when fixed.

In this embodiment, the one end that threaded column 37 is close to holder 31 is provided with regular hexagon boss 36, and regular hexagon boss 36 and holder 31, holder 31 integrated into one piece conveniently utilize the spanner card to accomplish the installation and the dismantlement of fixing-line device 3 in regular hexagon boss 36 position.

The utility model discloses a theory of operation does: when the cable fixing device is used, one to four wire clamping devices 3 are arranged on the side wall of the fixing base 1 as required, when one wire clamping device 3 is arranged, the cable is supported, when two wire clamping devices 3 are arranged, the two wire clamping devices 3 can be arranged on two adjacent surfaces of the fixing base 1, or can be arranged on two non-adjacent surfaces of the fixing base 1, when the two wire clamping devices 3 are adjacent, the bending radian of the cable is small, when the two wire clamping devices 3 are not adjacent, the bending radian of the cable is large, three to four wire clamping devices 3 can be continuously arranged, large-angle bending and fixing of the cable can be realized, the cable can be selectively fixed in an arc fixing groove 33 with a proper size according to the thickness of the cable, then the clamping seat 31 and the wire clamping cover 32 are fixed together by screws, the anti-skid pad 38 is tightly contacted with the surface of the cable by using the tensile force generated during the fixing of the screws, and the cable is prevented from loosening, when the cable passes through the clamping device 3 at the same place, the cable is fixed more firmly.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a strain clamp is used to cable is fixed which characterized in that: including door type frame (4), door type frame (4) lower extreme pin joint has fixed baseplate (1), door type frame (4) xarm central authorities rotate and install axis of rotation (5), peg graft in fixed cover (6) axis of rotation (5) upper end, closing cap (8) are installed through the screw thread to fixed cover (6) upper end, the last surface welding of closing cap (8) has two fixing clip (9), axis of rotation (5) insert the outside nestification of one end of fixed cover (6) has compression spring (7), fixed baseplate (1) are the regular polygon prism type, the shaping has one fixed screw (2) on every lateral wall of fixed baseplate (1), install at least one fixing-line ware (3) through the screw thread on fixed baseplate (1) outer wall.

2. The strain clamp for fixing the cable according to claim 1, wherein: the fixed base (1) is rotatably arranged on the door-shaped frame (4) through a pin shaft.

3. The strain clamp for fixing the cable according to claim 1, wherein: fixing-line device (3) are including holder (31), holder (31) rear side shaping have with screw post (37) that fixed screw (2) match the installation, holder (31) front side has wire clamping cover (32) through the fix with screw, holder (31) with the shaping has a plurality of arc fixed slot (33) on the contact surface of wire clamping cover (32).

4. The strain clamp for fixing the cable according to claim 3, wherein: the inside buckle of arc fixed slot (33) is fixed with slipmat (38), slipmat (38) adopt the arc rubber slab to make, integrated into one piece has a plurality of chucking piece (381) on slipmat (38) outer wall, integrated into one piece has anti-skidding line (382) on slipmat (38) inner wall, the shaping have on arc fixed slot (33) lateral wall with the draw-in groove of chucking piece (381) cooperation installation.

5. The strain clamp for fixing the cable according to claim 4, wherein: the number of the arc-shaped fixing grooves (33) is at least two, and the diameters of the two arc-shaped fixing grooves (33) are different.

6. The strain clamp for fixing the cable according to claim 5, wherein: clamping seat (31) both ends undercut shaping has positioning groove (34), press from both sides line lid (32) both ends outside protrusion and form location convex column (35), location convex column (35) with positioning groove (34) size cooperation is fixed clamping seat (31) with the screw of pressing from both sides line lid (32) is followed positioning groove (34) with pass on the location convex column (35).

7. The strain clamp for fixing the cable according to claim 6, wherein: the thread column (37) is close to one end of the clamping seat (31) and is provided with a regular hexagon boss (36), and the regular hexagon boss (36) is integrally formed with the clamping seat (31) and the clamping seat (31).