CN110224239B - A parallel groove clamp - Google Patents

Abstract

The invention belongs to the technical field of wire clamps, in particular to a parallel groove wire clamp, which aims at solving the problems that most of the existing parallel groove wire clamps are fixed in size and can not effectively adapt to stranded wires with different specifications for use, so that the clamping is unstable, and the proposal is provided that the parallel groove wire clamp comprises a fixed seat, wherein the top of the fixed seat is provided with a connecting groove, the inner wall of the bottom of the connecting groove is provided with two lower clamp bodies, the top of the fixed seat is provided with two slots, two inserting rods are movably arranged in the two slots, the top ends of the two inserting rods are both connected with a same pressing plate in a sliding way, the top of the pressing plate is fixedly provided with two bearing seats, and a same threaded rod is rotatably arranged on the two bearing seats, meanwhile, the device is convenient to disassemble and overhaul and maintain.

Description

A parallel groove clamp

technical field

The invention relates to the technical field of wire clips, in particular to a parallel groove wire clip.

Background technique

The parallel groove clamp is used for the connection of small and medium section aluminum stranded wire or steel core aluminum stranded wire and the steel stranded wire of the overhead lightning arrester at the position that does not bear the tension, and also used for the jumper connection of non-linear towers. Power engineering materials (fittings) are used for connecting wires to each other. Mainly used in power line engineering and trench wire clips are contact fittings used to connect two parallel wires to transmit electrical loads. They are widely used, such as jumpers for non-straight pole towers. , T wiring, branch lines, down-conductors of electrical equipment such as switches, transformers, and grounding down-conducts of lightning conductors at the non-load-bearing connection of the power system can all be completed by using parallel trench clamps; but the current parallel trench clamps are usually Connecting parts such as bolts are arranged in the middle of the wire clamp, and wire clamping grooves are arranged on both sides of the wire clamp.

Most of the existing parallel groove clamps are fixed in size and cannot effectively adapt to the use of stranded wires of different specifications, which will cause the problem of unstable clamping. Therefore, we propose a parallel groove clamp to solve the above problem. question.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problem that most of the parallel groove clamps in the prior art are fixed in size and cannot effectively adapt to the use of stranded wires of different specifications, which will cause the disadvantage of unstable clamping. Species and groove clips.

In order to achieve the above object, the present invention adopts the following technical solutions:

A parallel groove wire clip includes a fixing seat, a connecting groove is formed on the top of the fixing seat, two lower clip bodies are arranged on the inner wall of the bottom of the connecting groove, two slots are opened on the top of the fixing seat, Two insertion rods are movably installed in the groove, the tops of the two insertion rods are slidably connected with the same pressure plate, two bearing seats are fixedly installed on the top of the pressure plate, and the same threaded rod is rotatably installed on the two bearing seats. A rotating block is installed on the side of one bearing seat away from the other bearing seat in the bearing seat, and one end of the threaded rod is fixedly installed on the rotating block. Two transmission shafts are threadedly connected to the threaded rod, and the two Both are provided with threaded holes, the threaded holes and the threaded rod are threadedly connected, the two threaded holes are provided with internal threads, the two internal threads have opposite directions of rotation, the threaded rod is provided with external threads, and the external threads are engaged with the corresponding internal threads , the pressure plate is provided with two through holes, the bottom ends of the two transmission shafts extend into the two through holes respectively, the bottom ends of the two transmission shafts extend to the bottom of the same pressure plate, and the bottom ends of the two transmission shafts are A first upper clip body is rotatably installed, a second upper clip body is rotatably installed on the two first upper clip bodies, and the lower clip body is matched with the corresponding first upper clip body and the second upper clip body, and the two The mutual rotational connection of the first upper clip body and the two second upper clip bodies can realize the rotation opening and rotation contraction of the first upper clip body and the corresponding second upper clip body, so that the first upper clip body and the second upper clip body can be rotated and contracted. The opening arc of the upper clamp body is adjusted, and the clamping and fixing of the twisted wire can be realized by the elastic force of the first spring and the second spring, so that the clamped twisted wire can have a certain expansion and contraction range, and can be more flexible. Good twisted wire for protection.

Preferably, connecting rods are fixedly installed on the sides of the two transmission shafts that are close to each other, the same telescopic rod is slidably sleeved on one side of the two connecting rods that are close to each other, and two sides of the telescopic rods are provided with telescopic grooves, and the two One end of the connecting rods close to each other is slidably installed in the two telescopic grooves, one end of the first spring is fixedly installed on the inner wall of one side of the two telescopic grooves close to each other, and the other end of the first spring is fixedly installed on the corresponding connecting rod The bottom of the telescopic rod is rotatably installed with two rotating shafts. The ends of the two rotating shafts that are far away from each other are respectively rotated and installed on the two first upper clamping bodies. Manually rotate the rotating block, the rotating block drives the threaded rod to rotate, and the threaded rod rotates. Drive the two transmission shafts to slide, because the thread groove and the inner thread are provided, and the rotation direction of the inner thread is opposite, so that the two transmission shafts slide to the side that is close to or away from each other, because the two first upper clamping bodies The rotation connection of the two first upper clamping bodies makes the two first upper clamping bodies rotate. Due to the rotation and extrusion of the rotating shaft, the two first upper clamping bodies are simultaneously rotated to the side that is close to each other or the side that is far away from each other.

Preferably, two sliding grooves are opened at the bottom of the pressing plate, spring blocks are slidably installed in the two sliding grooves, and one end of the second spring is fixedly installed on the side of the two spring blocks that are far away from each other, and the other end of the second spring is fixedly installed. One end is fixedly installed on the inner wall of the corresponding chute. Due to the provision of the second spring, the elastic force of the second spring drives the spring block to rotate, and the spring block drives the corresponding extrusion rod to rotate.

Preferably, the same limit rod is fixedly installed on the inner walls of both sides of the chute, the spring block is slidably installed on the corresponding limit rod, the bottom of the spring block extends to the bottom of the pressure plate, and the spring block is rotated and installed with a squeeze rod. One end of the extrusion rod is rotated and installed on the corresponding second upper clamping body, and one end of the extrusion rod is rotated on the corresponding second upper clamping body, so as to realize that the two second upper clamping bodies are respectively in the two second upper clamping bodies. When one upper clamp body rotates upward, when the two first upper clamp bodies rotate to the side close to each other, the two second upper clamp bodies rotate to the side away from each other, and the two first upper clamp bodies move to the side away from each other. When one side rotates, the two second upper clamping bodies rotate to the side close to each other.

Preferably, the bottom of the pressing plate is provided with an extrusion groove, the top ends of the two insertion rods are respectively slidably installed in the two extrusion grooves, and the pressing plate moves downward, so that the two insertion rods are inserted into the two slots to realize the down The clamping body and the corresponding first upper clamping body and the second upper clamping body can clamp the stranded wire.

Preferably, one end of the third spring is fixedly installed on the inner wall of one side of the two extrusion grooves away from each other, and the other end of the third spring is fixedly installed on the corresponding insertion rod, and the third spring can squeeze the insertion rod fixed.

Preferably, a plurality of triangular card slots are evenly opened on the inner wall of one side of the two slots close to each other, and a triangular card block is fixedly installed on the bottom of the side where the two insertion rods are far away from each other. The triangular card block and the corresponding triangular card The grooves are matched, and the connection and fixation of the pressing plate and the fixing seat can be realized due to the clamping of the triangular clamping groove and the triangular clamping block.

Preferably, both ends of the top of the fixed seat are fixedly installed with a fixed block, a spring groove is opened on the side of the two fixed blocks close to each other, and a fourth One end of the spring and the other end of the fourth spring are fixedly installed with an extrusion block, and one side of the extrusion block extends to the outside of the corresponding fixed block and is rotatably installed with a sliding ball, and the sliding ball is in contact with the corresponding insertion rod. The elastic force of the four springs squeezes the extrusion block, and the sliding ball on the extrusion block can squeeze and fix the insertion rod.

In the present invention, the parallel groove wire clamp is provided with a thread groove and an inner thread, and the rotation direction of the inner thread is opposite, so that the two transmission shafts can slide to the side that is close to or away from each other. The rotation connection of the first upper clamping bodies makes the two first upper clamping bodies rotate. Due to the rotation and extrusion of the rotating shaft, the two first upper clamping bodies are simultaneously moved to the side that is close to each other or the one that is far away from each other. Side rotation, due to the mutual rotational connection of the two first upper clip bodies and the two second upper clip bodies, the first upper clip body and the corresponding second The opening radian of the first upper clip body and the second upper clip body can be adjusted, and the clamping and fixing of the twisted wire can be realized by the elastic force of the first spring and the second spring, so that the clamped twisted wire can have a A certain expansion and contraction range can better protect the twisted pair;

Since the pressing plate moves downward, the two insertion rods are inserted into the two slots, so that the lower clamping body and the corresponding first upper clamping body and the second upper clamping body can clamp the twisted wires, and the third spring can clamp the insertion rods. For pressing and fixing, due to the clamping of the triangular card slot and the triangular card block, the connection and fixation of the pressure plate and the fixed seat can be realized. Due to the elastic force of the fourth spring to squeeze the squeeze block, the sliding ball on the squeeze block can be inserted into the rod. Perform further compression and fixation;

The invention can be well adapted to the use of stranded wires of different specifications, has strong adaptability, and can be squeezed and buffered first, which is convenient for protecting the stranded wires, and at the same time, it is convenient for disassembly and maintenance work. .

Description of drawings

Fig. 1 is the structural representation of a kind of parallel groove wire clip proposed by the present invention;

Fig. 2 is a schematic diagram of the enlarged structure of part A of a parallel groove wire clip proposed by the present invention;

3 is a schematic diagram of the enlarged structure of part B of a parallel grooved wire clip proposed by the present invention;

4 is a schematic diagram of the enlarged structure of part C of a parallel grooved wire clip proposed by the present invention;

5 is a schematic diagram of the enlarged structure of part D of a parallel grooved wire clip proposed by the present invention;

FIG. 6 is an enlarged structural schematic diagram of part E of a parallel grooved wire clip proposed by the present invention.

In the picture: 1 fixed seat, 2 connecting groove, 3 lower clamp body, 4 slot, 5 insertion rod, 6 pressure plate, 7 bearing seat, 8 rotating block, 9 threaded rod, 10 transmission shaft, 11 through hole, 12 first Upper clip body, 13 second upper clip body, 14 telescopic rod, 15 telescopic groove, 16 first spring, 17 connecting rod, 18 rotating shaft, 19 chute, 20 spring block, 21 second spring, 22 extrusion rod, 23 squeeze groove, 24 third spring, 25 triangle card slot, 26 triangle card block, 27 fixed block, 28 spring groove, 29 fourth spring, 30 squeeze block, 31 sliding ball.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Example 1

Referring to Figures 1-6, a parallel groove wire clip includes a fixed seat 1, a connection groove 2 is formed on the top of the fixed seat 1, and two lower clip bodies 3 are provided on the bottom inner wall of the connection groove 2, and the top of the fixed seat 1 is provided with two lower clip bodies 3. There are two slots 4, two insertion rods 5 are movably installed in the two slots 4, the tops of the two insertion rods 5 are slidably connected with the same pressure plate 6, and two bearing seats are fixedly installed on the top of the pressure plate 6 7. The same threaded rod 9 is rotatably installed on the two bearing seats 7, and a rotating block 8 is rotatably installed on the side of one bearing seat 7 of the two bearing seats 7 away from the other bearing seat 7, and one end of the threaded rod 9 is fixed. Installed on the rotating block 8, the threaded rod 9 is threadedly connected with two transmission shafts 10, the two transmission shafts 10 are both provided with threaded holes, the threaded holes and the threaded rod 9 are threadedly connected, and the two threaded holes are provided with inner Thread, the two internal threads have opposite directions of rotation, the threaded rod 9 is provided with an external thread, and the external thread is engaged with the corresponding internal thread, the pressure plate 6 is provided with two through holes 11, and the bottom ends of the two transmission shafts 10 extend respectively. Into the two through holes 11, the bottom ends of the two transmission shafts 10 extend to the bottom of the same pressing plate 6, and the bottom ends of the two transmission shafts 10 are rotatably installed with the first upper clamping body 12, and the two first upper A second upper clip body 13 is rotatably mounted on the clip bodies 12, the lower clip body 3 is matched with the corresponding first upper clip body 12 and the second upper clip body 13, and the two first upper clip bodies 12 and the two second upper clip bodies 13 cooperate with each other. The mutual rotational connection of the two upper clamping bodies 13 can realize the rotational opening and rotational contraction of the first upper clamping body 12 and the corresponding second upper clamping body 13 , so that the first upper clamping body 12 and the second upper clamping body 13 can be rotated and contracted. By adjusting the opening arc of the twisted wire, through the elastic force of the first spring 16 and the second spring 21, the clamping and fixing of the twisted wire can be realized, so that the clamped twisted wire can have a certain expansion and contraction range, which can better The twisted pair is protected.

In the present invention, the connecting rods 17 are fixedly installed on the sides of the two transmission shafts 10 that are close to each other, and the same telescopic rod 14 is slidably sleeved on the side of the two connecting rods 17 that are close to each other, and both sides of the telescopic rods 14 are open There is a telescopic groove 15, the ends of the two connecting rods 17 that are close to each other are slidably installed in the two telescopic grooves 15, and one end of the first spring 16 is fixedly installed on the inner wall of the two telescopic grooves 15 that are close to each other. The other end of the spring 16 is fixedly installed on the corresponding connecting rod 17, the bottom of the telescopic rod 14 is rotatably installed with two rotating shafts 18, and the ends of the two rotating shafts 18 away from each other are rotatably installed on the two first upper clamping bodies 12 respectively. By manually rotating the rotating block 8, the rotating block 8 drives the threaded rod 9 to rotate, and the threaded rod 9 rotates to drive the two transmission shafts 10 to slide. Due to the provision of the threaded groove and the internal thread, due to the opposite direction of rotation of the internal thread, two The transmission shafts 10 slide to the side that is close to or away from each other. Due to the rotational connection of the two first upper clamping bodies 12, the two first upper clamping bodies 12 are rotated. The two first upper clamping bodies 12 are simultaneously rotated to the side that is close to each other or the side that is far away from each other.

In the present invention, the bottom of the pressing plate 6 is provided with two sliding grooves 19, the spring blocks 20 are slidably installed in the two sliding grooves 19, and one end of the second spring 21 is fixedly installed on the side of the two spring blocks 20 away from each other, The other end of the second spring 21 is fixedly installed on the inner wall of the corresponding chute 19. Since the second spring 21 is provided, the elastic force of the second spring 21 drives the spring block 20 to rotate, and the spring block 20 drives the corresponding extrusion rod 22 turns.

In the present invention, the same limit rod is fixedly installed on the inner walls of the two sides of the chute 19, the spring block 20 is slidably installed on the corresponding limit rod, the bottom of the spring block 20 extends to the bottom of the pressure plate 6, and the spring block 20 The extrusion rod 22 is rotatably installed, one end of the extrusion rod 22 is rotated and installed on the corresponding second upper clamping body 13, and one end of the extrusion rod 22 is rotated on the corresponding second upper clamping body 13, thereby realizing two first The two upper clamping bodies 13 rotate on the two first upper clamping bodies 12 respectively. When the two first upper clamping bodies 12 rotate to the side that is close to each other, the two second upper clamping bodies 13 move to the side that is far away from each other. When the two first upper clamping bodies 12 are rotated to the side away from each other, the two second upper clamping bodies 13 are rotated to the side that is close to each other.

In the present invention, the bottom of the pressing plate 6 is provided with an extrusion groove 23, the top ends of the two insertion rods 5 are respectively slidably installed in the two extrusion grooves 23, and the pressing plate 6 moves downward, so that the two insertion rods 5 are inserted into the two insertion rods. In the groove 4, the lower clamping body 3 and the corresponding first upper clamping body 12 and the second upper clamping body 13 can clamp the stranded wire.

In the present invention, one end of the third spring 24 is fixedly installed on the inner wall of the side of the two extrusion grooves 23 away from each other, and the other end of the third spring 24 is fixedly installed on the corresponding insertion rod 5. The third spring 24 can Press and fix the plunger 5.

In the present invention, a plurality of triangular card slots 25 are evenly opened on the inner wall of one side of the two slots 4 that are close to each other, and a triangular card block 26 is fixedly installed on the bottom of the side where the two insertion rods 5 are far away from each other. 26 is matched with the corresponding triangular card slot 25. Due to the clamping of the triangular card slot 25 and the triangular card block 26, the connection and fixation of the pressing plate 6 and the fixing base 1 can be realized.

In the present invention, both ends of the top of the fixing base 1 are fixedly installed with fixing blocks 27 , the two fixing blocks 27 are provided with spring grooves 28 on the side close to each other, and the inner wall of the side where the two spring grooves 28 are far away from each other are fixed on the inner wall. One end of the fourth spring 29 is installed, and the other end of the fourth spring 29 is fixedly installed with a pressing block 30. One side of the pressing block 30 extends to the outside of the corresponding fixed block 27 and is rotatably installed with a sliding ball 31. The sliding ball 31 is in contact with the corresponding insertion rod 5 , due to the elastic force of the fourth spring 29 pressing the pressing block 30 , the sliding ball 31 on the pressing block 30 can press and fix the insertion rod 5 .

Embodiment 2

Referring to Figures 1-6, a parallel groove wire clip includes a fixed seat 1, a connection groove 2 is formed on the top of the fixed seat 1, and two lower clip bodies 3 are provided on the bottom inner wall of the connection groove 2, and the top of the fixed seat 1 is provided with two lower clip bodies 3. There are two slots 4, two insertion rods 5 are movably installed in the two slots 4, the tops of the two insertion rods 5 are slidably connected with the same pressure plate 6, and the top of the pressure plate 6 is fixedly installed with two Bearing seat 7, the same threaded rod 9 is rotatably installed on the two bearing seats 7, and a rotating block 8 is rotatably installed on the side of one bearing seat 7 of the two bearing seats 7 away from the other bearing seat 7, and the threaded rod 9 is rotated. One end is fixedly mounted on the rotating block 8 by welding, the threaded rod 9 is threadedly connected with two transmission shafts 10, and the two transmission shafts 10 are both provided with threaded holes, the threaded holes and the threaded rod 9 are threadedly connected, and the two threaded holes are Both are provided with internal threads, the two internal threads have opposite directions of rotation, the threaded rod 9 is provided with external threads, and the external threads engage with the corresponding internal threads, the pressure plate 6 is provided with two through holes 11, and the two transmission shafts 10 The bottom ends extend into the two through holes 11 respectively, the bottom ends of the two transmission shafts 10 extend to the bottom of the same pressing plate 6, and the bottom ends of the two transmission shafts 10 are rotatably installed with the first upper clamping body 12, and the two Each of the first upper clip bodies 12 is rotatably mounted with a second upper clip body 13 , the lower clip body 3 is matched with the corresponding first upper clip body 12 and the second upper clip body 13 , and the two first upper clip bodies 12 The mutual rotational connection with the two second upper clamping bodies 13 can realize the rotational opening and rotational contraction of the first upper clamping body 12 and the corresponding second upper clamping body 13, so that the first upper clamping body 12 and the second upper clamping body 13 can be rotated and contracted. The opening arc of the upper clamping body 13 is adjusted, and the clamping and fixing of the twisted wire can be realized by the elastic force of the first spring 16 and the second spring 21, so that the clamped stranded wire can have a certain expansion and contraction range. , which can better protect the twisted pair.

In the present invention, the connecting rods 17 are fixedly installed on the sides of the two transmission shafts 10 that are close to each other by welding, and the same telescopic rod 14 is slidably sleeved on the side of the two connecting rods 17 that are close to each other. Each has a telescopic groove 15, the ends of the two connecting rods 17 that are close to each other are slidably installed in the two telescopic grooves 15, and the inner walls of the two telescopic grooves 15 that are close to each other are fixedly installed with the first spring 16 by welding. One end, the other end of the first spring 16 is fixedly mounted on the corresponding connecting rod 17 by welding, the bottom of the telescopic rod 14 is rotatably mounted with two rotating shafts 18, and the ends of the two rotating shafts 18 away from each other are rotated and mounted on the two On the first upper clamping body 12, by manually rotating the rotating block 8, the rotating block 8 drives the threaded rod 9 to rotate, and the threaded rod 9 rotates to drive the two transmission shafts 10 to slide. In the opposite direction, the two transmission shafts 10 can be slid to the side that is close to or away from each other. Due to the rotational connection of the two first upper clamping bodies 12, the two first upper clamping bodies 12 are rotated. 18 is rotated and squeezed, so that the two first upper clamping bodies 12 are simultaneously rotated to the side that is close to each other or the side that is far away from each other.

In the present invention, the bottom of the pressing plate 6 is provided with two sliding grooves 19, the spring blocks 20 are slidably installed in the two sliding grooves 19, and the sides of the two spring blocks 20 away from each other are fixedly installed with the second spring 21 by welding. One end, the other end of the second spring 21 is fixedly mounted on the inner wall of the corresponding chute 19 by welding. Since the second spring 21 is provided, the elastic force of the second spring 21 drives the spring block 20 to rotate, and the spring block 20 drives the corresponding The squeeze rod 22 rotates.

In the present invention, the same limit rod is fixedly installed on the inner walls of the two sides of the chute 19 by welding, the spring block 20 is slidably installed on the corresponding limit rod, the bottom of the spring block 20 extends to the bottom of the pressure plate 6, and the spring block The extrusion rod 22 is rotatably installed on the top 20, one end of the extrusion rod 22 is rotated and mounted on the corresponding second upper clamping body 13, and one end of the extrusion rod 22 is rotated on the corresponding second upper clamping body 13, thereby realizing two The two second upper clamping bodies 13 are rotated on the two first upper clamping bodies 12 respectively. When the two first upper clamping bodies 12 are rotated to the side that is close to each other, the two second upper clamping bodies 13 are moved to the side that is far away from each other. When one side is rotated, when the two first upper clamping bodies 12 are rotated to the side away from each other, the two second upper clamping bodies 13 are rotated to the side that is close to each other.

In the present invention, the bottom of the pressing plate 6 is provided with an extrusion groove 23, the top ends of the two insertion rods 5 are respectively slidably installed in the two extrusion grooves 23, and the pressing plate 6 moves downward, so that the two insertion rods 5 are inserted into the two insertion rods. In the groove 4, the lower clamping body 3 and the corresponding first upper clamping body 12 and the second upper clamping body 13 can clamp the stranded wire.

In the present invention, one end of the third spring 24 is fixedly mounted on the side of the two extrusion grooves 23 away from each other by welding, and the other end of the third spring 24 is fixedly mounted on the corresponding insertion rod 5 by welding. The third spring 24 The insertion rod 5 can be squeezed and fixed.

In the present invention, a plurality of triangular card slots 25 are evenly opened on the inner wall of one side of the two slots 4 that are close to each other, and the bottom of the side of the two insertion rods 5 away from each other is fixedly installed with a triangular clip block 26 by welding. The clamping block 26 is matched with the corresponding triangular clamping slot 25 . Due to the clamping of the triangular clamping slot 25 and the triangular clamping block 26 , the connection and fixing of the pressing plate 6 and the fixing base 1 can be realized.

In the present invention, both ends of the top of the fixed seat 1 are fixedly installed with fixed blocks 27 by welding, the two fixed blocks 27 are provided with spring grooves 28 on the side close to each other, and the inner wall of the side where the two spring grooves 28 are far away One end of the fourth spring 29 is fixedly installed by welding, and the other end of the fourth spring 29 is fixedly installed with an extrusion block 30 by welding. One side of the extrusion block 30 extends to the outside of the corresponding fixed block 27 and is rotated and installed with The sliding ball 31 is in contact with the corresponding insertion rod 5 . Due to the elastic force of the fourth spring 29 pressing the pressing block 30 , the sliding ball 31 on the pressing block 30 can press and fix the insertion rod 5 .

Working principle: When in use, the rotating block 8 is manually rotated, and the rotating block 8 drives the threaded rod 9 to rotate. Due to the setting of the threaded groove and the inner thread, the rotation direction of the inner thread is opposite, thereby driving the two transmission shafts 10 to approach each other or The sides that are far away from each other slide. Due to the rotational connection of the two first upper clamping bodies 12, the two first upper clamping bodies 12 are rotated, and the two first upper clamping bodies are realized due to the rotation and extrusion of the rotating shaft 18. 12 rotate to the side that is close to each other or the side that is far away from each other at the same time, because the second spring 21 is provided, the elastic force of the second spring 21 squeezes the spring block 20 to rotate, and the spring block 20 drives the corresponding extrusion rod 22 to rotate, The extrusion rod 22 squeezes the corresponding second upper clamping bodies 13. Due to the mutual rotational connection of the two first upper clamping bodies 12 and the two second upper clamping bodies 13, the two first upper clamping bodies 12 are approaching each other. When the two upper clamp bodies 13 rotate to the side away from each other, when the two first upper clamp bodies 12 rotate to the side away from each other, the two second upper clamp bodies 13 move closer to each other One side of the clamp is rotated, so as to adjust the opening radian of the first upper clamp body 12 and the second upper clamp body 13, which can realize the clamping and fixing of the twisted wire, so that the clamped twisted wire can have a certain expansion and contraction. The amplitude can better protect the twisted wire. When pressing, the pressing plate 6 moves downward, so that the two insertion rods 5 are inserted into the two slots 4, and the lower clamp body 3 and the corresponding first upper clamp are realized. The body 12 and the second upper clamping body 13 can clamp the stranded wire, and the third spring 24 can squeeze and fix the insertion rod 5. Due to the clamping of the triangular clamping slot 25 and the triangular clamping block 26, the pressure plate 6 and the The connection of the fixing base 1 is fixed. Due to the elastic force of the fourth spring 29 pressing the pressing block 30 , the sliding ball 31 on the pressing block 30 can further press and fix the insertion rod 5 .

Claims (7)

1. A parallel groove clamp comprises a fixed seat (1) and is characterized in that a connecting groove (2) is formed in the top of the fixed seat (1), two lower clamping bodies (3) are arranged on the inner wall of the bottom of the connecting groove (2), two slots (4) are formed in the top of the fixed seat (1), two inserting rods (5) are movably mounted in the two slots (4), the top ends of the two inserting rods (5) are respectively connected with a same pressing plate (6) in a sliding manner, two bearing seats (7) are fixedly mounted at the top of the pressing plate (6), a same threaded rod (9) is rotatably mounted on the two bearing seats (7), a rotating block (8) is rotatably mounted on one side, far away from the other bearing seat (7), of one bearing seat (7) of the two bearing seats (7), one end of the threaded rod (9) is fixedly mounted on the rotating block (8), and two transmission shafts (, threaded holes are formed in the two transmission shafts (10), the threaded holes are in threaded connection with the threaded rod (9), internal threads are arranged in the two threaded holes, the two internal threads are opposite in rotating direction, external threads are arranged on the threaded rod (9), the external threads are meshed with the corresponding internal threads, two through holes (11) are formed in the pressing plate (6), the bottom ends of the two transmission shafts (10) extend into the two through holes (11) respectively, the bottom ends of the two transmission shafts (10) extend to the lower side of the same pressing plate (6), first upper clamping bodies (12) are rotatably arranged at the bottom ends of the two transmission shafts (10), second upper clamping bodies (13) are rotatably arranged on the two first upper clamping bodies (12), and the lower clamping bodies (3) are matched with the corresponding first upper clamping bodies (12) and the second upper clamping bodies (13);

one side, close to each other, of each of the two transmission shafts (10) is fixedly provided with a connecting rod (17), one side, close to each other, of each of the two connecting rods (17) is slidably sleeved with the same telescopic rod (14), telescopic grooves (15) are formed in two sides of each telescopic rod (14), one ends, close to each other, of the two connecting rods (17) are slidably installed in the two telescopic grooves (15) respectively, one ends, close to each other, of the two telescopic grooves (15) are fixedly installed at one end of a first spring (16) respectively, the other end of the first spring (16) is fixedly installed on the corresponding connecting rod (17), two rotating shafts (18) are rotatably installed at the bottom of each telescopic rod (14), and one ends, far away from each other, of the two rotating shafts (18) are rotatably;

due to the rotary connection of the two first upper clamp bodies (12), the two first upper clamp bodies (12) rotate, and due to the rotary extrusion of the rotary shaft (18), the two first upper clamp bodies (12) simultaneously rotate towards one side close to each other or one side far away from each other.

2. The parallel groove clamp according to claim 1, wherein the bottom of the pressing plate (6) is provided with two sliding grooves (19), the two sliding grooves (19) are internally provided with spring blocks (20), one sides of the two spring blocks (20) far away from each other are fixedly provided with one ends of second springs (21), and the other ends of the second springs (21) are fixedly arranged on the inner walls of the corresponding sliding grooves (19).

3. The parallel groove clamp according to claim 2, wherein the same limiting rod is fixedly mounted on the inner walls of both sides of the sliding groove (19), the spring block (20) is slidably mounted on the corresponding limiting rod, the bottom of the spring block (20) extends to the lower part of the pressing plate (6), the extrusion rod (22) is rotatably mounted on the spring block (20), and one end of the extrusion rod (22) is rotatably mounted on the corresponding second upper clamp body (13).

4. The parallel groove clamp according to claim 1, wherein the pressing plate (6) is provided with a pressing groove (23) at the bottom, and the top ends of the two insert rods (5) are slidably mounted in the two pressing grooves (23), respectively.

5. A parallel groove clamp according to claim 4, wherein one end of the third spring (24) is fixedly mounted on the inner wall of the side of the two pressing grooves (23) away from each other, and the other end of the third spring (24) is fixedly mounted on the corresponding plunger (5).

6. The parallel groove clamp of claim 1, wherein a plurality of triangular clamping grooves (25) are uniformly formed on the inner wall of one side of each of the two slots (4) close to each other, triangular clamping blocks (26) are fixedly mounted on the bottoms of the sides of the two inserting rods (5) far away from each other, and the triangular clamping blocks (26) are matched with the corresponding triangular clamping grooves (25).

7. The parallel groove clamp of claim 1, wherein the fixing blocks (27) are fixedly mounted at both ends of the top of the fixing base (1), the spring grooves (28) are formed in the side, close to each other, of the two fixing blocks (27), one end of a fourth spring (29) is fixedly mounted on the inner wall of the side, far away from each other, of the two spring grooves (28), the extrusion block (30) is fixedly mounted at the other end of the fourth spring (29), one side of the extrusion block (30) extends to the outer side of the corresponding fixing block (27) and is rotatably mounted with a sliding ball (31), and the sliding ball (31) is in contact with the corresponding insertion rod (5).

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