CN210325673U

CN210325673U - High-strength electrical contact for circuit breaker

Info

Publication number: CN210325673U
Application number: CN201921734549.8U
Authority: CN
Inventors: 吴光元; 牟方明
Original assignee: Zhejiang Chuangkai Mechanical & Electronic Technology Co ltd
Current assignee: Zhejiang Chuangkai Mechanical & Electronic Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-04-14
Anticipated expiration: 2029-10-16

Abstract

The utility model belongs to the field of electrical contacts, in particular to a high-strength electrical contact for a circuit breaker, aiming at the problem that the existing electrical contact is not convenient to install, generally adopts threads to carry out fixed installation, the thread installation is more complicated, the threads are easy to wear and loosen after long-term use, and once worn or loosened, the fixation can not be carried out, the scheme is provided, which comprises a metal base body, a mounting groove is arranged on the top side of the metal base body, a mounting column is arranged above the metal base body, the bottom end of the mounting column extends into the mounting groove, grooves are arranged on the inner walls on the two sides of the mounting groove, when the metal base body needs to be installed, the mounting groove of the metal base body is aligned with the mounting column to move, the installation can be completed, the L-shaped clamping rod is pulled to move out of the clamping groove, the metal base body can be removed downwards, the installation and the disassembly, the use requirements of people are met.

Description

High-strength electrical contact for circuit breaker

Technical Field

The utility model relates to an electrical contact technical field especially relates to a high strength electrical contact for circuit breaker.

Background

The circuit breaker refers to a switching device capable of closing, carrying and breaking a current under a normal circuit condition and closing, carrying and breaking a current under an abnormal circuit condition for a prescribed time, and the circuit breaker electrical contact generally includes a silver alloy layer and a metal base combined with each other.

Publication No. CN205140774U discloses a circuit breaker electrical contact, including a metallic matrix that is the cylinder and set up the silver alloy layer in the metallic matrix bottom, the back of metallic matrix is equipped with an installation groove at least, metallic matrix's bottom has an annular groove, and its structural soundness is strong, has the characteristic of high strength, but it does not relate to how to be convenient for install electrical contact, generally adopts the screw thread to carry out fixed mounting, and the screw thread installation is comparatively loaded down with trivial details, and the screw thread is easy wearing and tearing and not hard up after long-term the use, in case wear and tear or not hard up, just can't fix, exists the space of improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the electrical contact among the prior art not to relate to how to be convenient for the installation, generally adopting the screw thread to carry out fixed mounting, the screw thread installation is comparatively loaded down with trivial details, and the screw thread is easy wearing and tearing and not hard up after long-term the use, in case wearing and tearing or not hard up, just can't carry out the shortcoming of fixing, and the high strength electrical contact for circuit breaker that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-strength electrical contact for a circuit breaker comprises a metal base body, wherein the top side of the metal base body is provided with a mounting groove, the top of metal base member is equipped with the erection column, the bottom of erection column extends to in the mounting groove, all set up flutedly on the both sides inner wall of mounting groove, fixed mounting has same slide bar on the top side of recess and the bottom side inner wall, same slide has been cup jointed in the slip on two slide bars, the bottom side of erection column contacts with the slide, the equal fixed mounting in both sides of slide has the connecting rod, the equal fixed mounting in one side that two connecting rods kept away from each other has the dead lever, the equal fixed mounting in one end that two dead levers kept away from each other has oblique frame, aim at the erection column removal with metal base member's mounting groove, the erection column extrusion slide makes it slide on two slide bars, the slide slides and drives two connecting rods and dead lever and moves down.

Preferably, the indent has all been seted up on the one side inner wall that two recesses are close to each other, equal slidable mounting has the compression leg in two indents, the one end that two compression legs are close to each other extends to in two recesses respectively and equal fixed mounting has the clamp plate, the equal fixed mounting in one side of two compression legs has the removal post, the one end that the compression leg was kept away from to two removal posts runs through two oblique frames respectively, two oblique frames move down and drive two removal posts and remove the post and remove in two oblique frames respectively, two removal post remove and drive two compression legs and two clamp plates respectively and be close to each other.

Preferably, a clamping hole is formed in one side of one of the slide bars, a drawing hole formed in the inner wall of the top side of the groove is formed in one side of the clamping hole, the same L-shaped clamping rod is slidably mounted in the drawing hole and the clamping hole, two ends of the L-shaped clamping rod extend out of the clamping hole and the drawing hole respectively, a fixing hole is formed in the top side of the L-shaped clamping rod, the top end of the connecting rod penetrates through the fixing hole, one end of the first spring is fixedly mounted on one side of the L-shaped clamping rod, the other end of the first spring is fixedly mounted on one side of the slide bar, one of the connecting rods slides in the fixing hole, when the mounting column moves into the mounting groove completely, the connecting rod just moves out of the fixing hole at the moment, two pressing plates are close to two sides of the pressing mounting column mutually, the L-shaped clamping rod corresponds to the clamping groove.

Preferably, a clamping groove is formed in one side of the mounting column, and one end, close to the mounting column, of the L-shaped clamping rod is matched with the clamping groove.

Preferably, the bottom side of the fixed rod is fixedly provided with a second spring, the bottom end of the second spring is fixedly arranged on the inner wall of the bottom side of the groove, the sliding plate slides to drive the two connecting rods and the fixed rod to move downwards, and the two second springs are elastically deformed.

In the utility model, the pressing plate is arranged, the mounting post is pressed tightly by the pressing plate, so that the mounting post can be prevented from shaking after being mounted, and further, the metal body can be prevented from shaking;

in the utility model, the L-shaped clamping rod is arranged, and the mounting post can be fixed by moving the L-shaped clamping rod into the clamping groove, so as to fix the position of the metal machine body;

the utility model discloses in, when needing to install metallic matrix, aim at the erection column with metallic matrix's mounting groove and remove and can accomplish the installation, spur L type kelly and make it shift out the draw-in groove, the downstream metallic matrix can be dismantled, is convenient for install and dismantle, and connect firmly, has satisfied people's user demand.

Drawings

Fig. 1 is a schematic structural diagram of a high-strength electrical contact for a circuit breaker according to the present invention;

fig. 2 is a schematic structural diagram of a portion a in fig. 1 of a high-strength electrical contact for a circuit breaker according to the present invention;

fig. 3 is a schematic structural diagram of a portion a1 in fig. 2 of a high-strength electrical contact for a circuit breaker according to the present invention;

fig. 4 is a schematic diagram of a three-dimensional structure of a bezel of a high-strength electrical contact for a circuit breaker according to the present invention.

In the figure: the device comprises a metal base body 1, a mounting groove 2, a mounting column 3, a groove 4, a sliding rod 5, a sliding plate 6, a connecting rod 7, a fixing rod 8, an inclined frame 9, a pressing groove 10, a pressing column 11, a moving column 12, a pressing plate 13, a pulling hole 14, a clamping hole 15, a clamping rod 16L, a fixing hole 17 and a clamping groove 18.

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.

Example 1

Referring to fig. 1-4, a high-strength electrical contact for a circuit breaker comprises a metal substrate 1, a mounting groove 2 is formed in the top side of the metal substrate 1, a mounting post 3 is arranged above the metal substrate 1, the bottom end of the mounting post 3 extends into the mounting groove 2, grooves 4 are formed in the inner walls of the two sides of the mounting groove 2, the same slide bar 5 is fixedly mounted on the inner walls of the top side and the bottom side of the groove 4, the same slide plate 6 is sleeved on the two slide bars 5 in a sliding manner, the bottom side of the mounting post 3 contacts with the slide plate 6, connecting rods 7 are fixedly mounted on the two sides of the slide plate 6, fixing rods 8 are fixedly mounted on the sides of the two connecting rods 7 away from each other, an inclined frame 9 is fixedly mounted at the ends of the two fixing rods 8 away from each other, the mounting groove 2 of the metal substrate 1 is aligned with the mounting post 3 to move, the mounting post 3 extrudes, the two fixing rods 8 move to respectively drive the two inclined frames 9 to move downwards.

The utility model discloses in, indent 10 has all been seted up on the one side inner wall that two recesses 4 are close to each other, equal slidable mounting has compression leg 11 in two indent 10, the one end that two compression legs 11 are close to each other extends to in two recesses 4 respectively and equal fixed mounting has clamp plate 13, the equal fixed mounting in one side of two compression legs 11 has removal post 12, two one ends that removal post 12 was kept away from compression leg 11 run through two oblique frames 9 respectively, two oblique frames 9 downshifts drive two removal posts 12 respectively and remove in two oblique frames 9, two removal posts 12 remove and drive two compression legs 11 and two clamp plate 13 respectively and be close to each other.

In the utility model, one side of one of the slide bars 5 is provided with a clamping hole 15, one side of the clamping hole 15 is provided with a pulling hole 14 arranged on the inner wall of the top side of the groove 4, the pulling hole 14 and the clamping hole 15 are internally and slidably provided with the same L-shaped clamping rod 16, two ends of the L-shaped clamping rod 16 respectively extend out of the clamping hole 15 and the pulling hole 14, the top side of the L-shaped clamping rod 16 is provided with a fixed hole 17, the top end of the connecting rod 7 penetrates through the fixed hole 17, one side of the L-shaped clamping rod 16 is fixedly provided with one end of a first spring, the other end of the first spring is fixedly arranged on one side of the, one of the links 7 slides in the fixing hole 17, and when the mounting post 3 is completely moved into the mounting slot 2, at this time, the connecting rod 7 just moves out of the fixing hole 17, the two pressing plates 13 are close to each other to press two sides of the mounting column 3, the L-shaped clamping rod 16 corresponds to the clamping groove 18, and the L-shaped clamping rod 16 moves into the clamping groove 18 under the reaction force of the second spring.

The utility model discloses in, draw-in groove 18 has been seted up to one side of erection column 3, and L type kelly 16 is close to the one end and the 18 looks adaptations of draw-in groove of erection column 3.

The utility model discloses in, the bottom side fixed mounting of dead lever 8 has the second spring, and the bottom fixed mounting of second spring is on the bottom side inner wall of recess 4, and slide 6 slides and drives two connecting rods 7 and dead lever 8 downstream, and elastic deformation all takes place for two second springs.

Example 2

Referring to fig. 1-4, a high-strength electrical contact for a circuit breaker comprises a metal substrate 1, a mounting groove 2 is formed on the top side of the metal substrate 1, a mounting post 3 is arranged above the metal substrate 1, the bottom end of the mounting post 3 extends into the mounting groove 2, grooves 4 are formed on the inner walls of the two sides of the mounting groove 2, the same slide bar 5 is fixedly welded on the inner walls of the top side and the bottom side of the groove 4, the same slide plate 6 is slidably sleeved on the two slide bars 5, the bottom side of the mounting post 3 is in contact with the slide plate 6, connecting rods 7 are fixedly welded on the two sides of the slide plate 6, fixing rods 8 are fixedly welded on the sides of the two connecting rods 7 away from each other, an inclined frame 9 is fixedly welded on the ends of the two fixing rods 8 away from each other, the mounting groove 2 of the metal substrate 1 is aligned with the mounting post 3 to move, the mounting post 3 extrudes the, the two fixing rods 8 move to respectively drive the two inclined frames 9 to move downwards.

The utility model discloses in, indent 10 has all been seted up on the one side inner wall that two recesses 4 are close to each other, equal slidable mounting has compression leg 11 in two indent 10, the one end that two compression legs 11 are close to each other extends to in two recesses 4 respectively and equal fixed welding has clamp plate 13, the equal fixed welding in one side of two compression legs 11 has removal post 12, two one ends that removal post 12 was kept away from compression leg 11 run through two oblique frames 9 respectively, two oblique frames 9 downshifts drive two removal posts 12 respectively and remove in two oblique frames 9, two removal post 12 remove and drive two compression legs 11 and two clamp plate 13 respectively and be close to each other.

In the utility model, one side of one of the slide bars 5 is provided with a clamping hole 15, one side of the clamping hole 15 is provided with a pulling hole 14 arranged on the inner wall of the top side of the groove 4, the pulling hole 14 and the clamping hole 15 are internally and slidably provided with the same L-shaped clamping rod 16, two ends of the L-shaped clamping rod 16 respectively extend out of the clamping hole 15 and the pulling hole 14, the top side of the L-shaped clamping rod 16 is provided with a fixed hole 17, the top end of the connecting rod 7 penetrates through the fixed hole 17, one side of the L-shaped clamping rod 16 is fixedly welded with one end of a first spring, the other end of the first spring is fixedly welded on one side of the, one of the links 7 slides in the fixing hole 17, and when the mounting post 3 is completely moved into the mounting slot 2, at this time, the connecting rod 7 just moves out of the fixing hole 17, the two pressing plates 13 are close to each other to press two sides of the mounting column 3, the L-shaped clamping rod 16 corresponds to the clamping groove 18, and the L-shaped clamping rod 16 moves into the clamping groove 18 under the reaction force of the second spring.

The utility model discloses in, the fixed welding of bottom side of dead lever 8 has the second spring, and the bottom mounting welding of second spring is on the bottom side inner wall of recess 4, and slide 6 slides and drives two connecting rods 7 and dead lever 8 downstream, and elastic deformation all takes place for two second springs.

In the utility model, when the metal base body 1 needs to be installed, the installation groove 2 of the metal base body 1 is aligned with the installation column 3 to move, the installation column 3 extrudes the sliding plate 6 to slide on the two sliding rods 5, the sliding plate 6 slides to drive the two connecting rods 7 and the fixed rods 8 to move downwards, the two second springs are elastically deformed, the two fixed rods 8 move to respectively drive the two inclined frames 9 to move downwards, the two inclined frames 9 move downwards to respectively drive the two moving columns 12 to respectively move in the two inclined frames 9, the two moving columns 12 move to respectively drive the two pressing columns 11 and the two pressing plates 13 to mutually approach each other, one of the connecting rods 7 slides in the fixed hole 17, when the installation column 3 is completely moved into the installation groove 2, the connecting rod 7 is just moved out of the fixed hole 17 at the moment, the two pressing plates 13 mutually approach to press the two sides of the installation column 3, the L-shaped clamping rod 16, the L-shaped clamping rod 16 is moved into the clamping groove 18 under the counterforce of the second spring, the installation is completed at the moment, when the disassembly is needed, the L-shaped clamping rod 16 is pulled to move out of the clamping groove 18, and the metal base body 1 is moved downwards to be disassembled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-strength electrical contact for a circuit breaker comprises a metal base body (1), wherein the top side of the metal base body (1) is provided with a mounting groove (2), its characterized in that, the top of metal matrix (1) is equipped with erection column (3), the bottom of erection column (3) extends to in mounting groove (2), all set up fluted (4) on the both sides inner wall of mounting groove (2), fixed mounting has same slide bar (5) on the top side of recess (4) and the bottom side inner wall, same slide (6) have been cup jointed in the slip on two slide bars (5), the bottom side of erection column (3) contacts with slide (6), the equal fixed mounting in both sides of slide (6) has connecting rod (7), the equal fixed mounting in one side of keeping away from each other of two connecting rod (7) has dead lever (8), the equal fixed mounting in one end that two dead levers (8) kept away from each other has oblique frame (9).

2. The high-strength electrical contact for the circuit breaker according to claim 1, wherein the inner walls of the two grooves (4) close to each other are provided with press grooves (10), the press pillars (11) are slidably mounted in the two press grooves (10), the ends of the two press pillars (11) close to each other extend into the two grooves (4) respectively and are fixedly mounted with press plates (13), the moving pillars (12) are fixedly mounted on one sides of the two press pillars (11), and the ends of the two moving pillars (12) far away from the press pillars (11) extend through the two inclined frames (9) respectively.

3. The high-strength electrical contact for the circuit breaker according to claim 1, wherein a clamping hole (15) is formed in one side of one of the sliding rods (5), a pulling hole (14) formed in an inner wall of the top side of the groove (4) is formed in one side of the clamping hole (15), the same L-shaped clamping rod (16) is slidably mounted in the pulling hole (14) and the clamping hole (15), two ends of the L-shaped clamping rod (16) respectively extend out of the clamping hole (15) and the pulling hole (14), a fixing hole (17) is formed in the top side of the L-shaped clamping rod (16), a top end of the connecting rod (7) penetrates through the fixing hole (17), one end of a first spring is fixedly mounted on one side of the L-shaped clamping rod (16), and the other end of the first spring is fixedly mounted on one side of the sliding rod (5).

4. The high-strength electrical contact for the circuit breaker according to claim 1, wherein a clamping groove (18) is formed in one side of the mounting column (3), and one end of the L-shaped clamping rod (16) close to the mounting column (3) is matched with the clamping groove (18).

5. The high-strength electrical contact for circuit breakers of claim 1, wherein the bottom side of said holding rod (8) is fixedly provided with a second spring, the bottom end of which is fixedly provided on the bottom side inner wall of the recess (4).