阅读说明：本技术 一种便于安装的断路器触头结构 (Circuit breaker contact structure convenient to installation ) 是由 高伟 万诗兰 于 2019-09-04 设计创作，主要内容包括：本发明公开了一种便于安装的断路器触头结构,涉及断路器技术领域,包括结构主体,所述结构主体由两组夹板构成,一组所述夹板一侧的底端固定有定轴,所述夹板内部位于定轴的上方设置有开槽,且夹板一侧位于开槽的一端设置有第一连接孔,两组所述夹板的内侧活动连接有轴块。本发明通过将结构主体设置为两组夹板,两组夹板的内侧通过转轴转动连接有轴块及传动杆,且多组结构主体之间也通过转轴进行相连,然后再在转轴外侧两端及相邻两组结构主体之间连接连接旋钮,对多组结构主体进行限位固定,便于进行拆卸安装,且可通过不同长度的转轴连接不同数量的结构主体,根据需求增加或减少结构主体的数量。(The invention discloses a circuit breaker contact structure convenient to install, which relates to the technical field of circuit breakers and comprises a structure main body, wherein the structure main body is composed of two groups of clamping plates, a fixed shaft is fixed at the bottom end of one side of one group of clamping plates, a notch is formed in the clamping plates and positioned above the fixed shaft, a first connecting hole is formed in one end, positioned in the notch, of one side of each clamping plate, and a shaft block is movably connected to the inner sides of the two groups of clamping plates. The structure main bodies are arranged into two groups of clamping plates, the inner sides of the two groups of clamping plates are rotatably connected with the shaft block and the transmission rod through the rotating shafts, the multiple groups of structure main bodies are connected through the rotating shafts, then the two ends of the outer sides of the rotating shafts and the two adjacent groups of structure main bodies are connected with the connecting knobs, the multiple groups of structure main bodies are limited and fixed, the disassembly and the assembly are convenient, the rotating shafts with different lengths can be connected with the structure main bodies with different numbers, and the number of the structure main bodies is increased or reduced according to requirements.)

1. A circuit breaker contact structure convenient to installation, includes structure subject (1), its characterized in that: the structure body (1) is composed of two groups of clamping plates (2), a fixed shaft (3) is fixed at the bottom end of one side of one group of the clamping plates (2), a groove (4) is formed in the clamping plate (2) and positioned above the fixed shaft (3), a first connecting hole (5) is formed in one end of one side of the clamping plate (2) and positioned in the groove (4), a shaft block (6) is movably connected to the inner side of the two groups of the clamping plates (2), a second connecting hole (7) corresponding to the first connecting hole (5) is formed in the shaft block (6), a rotating shaft (8) is inserted into the first connecting hole (5) and the second connecting hole (7), a connecting block (9) is arranged at one end of the outer side of the shaft block (6), a moving shaft (10) penetrating through the groove (4) and extending to the outer side of the clamping plate (2) is arranged on one side of the connecting block (9), and a first spring (11) is connected between the moving shaft (, the one end of keeping away from connecting block (9) in axle piece (6) outside is provided with transfer line (12), the one end of keeping away from axle piece (6) at transfer line (12) top is provided with recess (13), the inside swing joint of recess (13) has moving contact (14), and is connected with second spring (15) between recess (13) inside bottom and moving contact (14) bottom, the one end of main structure (1) is provided with mounting panel (17), the figure of main structure (1) is the multiunit, and connects through pivot (8) equidistance between multiunit main structure (1), the both ends in pivot (8) outside all are connected with connection knob (16).

2. A circuit breaker contact structure for ease of installation according to claim 1, wherein: and limiting blocks (18) are arranged on one sides of the fixed shaft (3) and the moving shaft (10) far away from the clamping plate (2).

3. A circuit breaker contact structure for ease of installation according to claim 1, wherein: the inner side of the groove (13) is provided with a sliding groove (19), and the bottom ends of the two sides of the moving contact (14) are respectively provided with a sliding block (20) which is matched with the sliding groove (19).

4. A circuit breaker contact structure for ease of installation according to claim 1, wherein: the slot (4) is of an arc-shaped structure, and the slot (4) is matched with the moving shaft (10).

5. A circuit breaker contact structure for ease of installation according to claim 1, wherein: a neutral space is reserved between the two adjacent groups of the structure main bodies (1), and a connecting knob (16) is connected between the two adjacent groups of the structure main bodies (1) on the outer side of the rotating shaft (8).

6. A circuit breaker contact structure for ease of installation according to claim 1, wherein: the outer side of the connecting knob (16) is uniformly provided with anti-skid grains.

7. A circuit breaker contact structure for ease of installation according to claim 1, wherein: the two ends of the first spring (11) are provided with hooks, and the two ends of the first spring (11) are detachably connected with the fixed shaft (3) and the moving shaft (10) through the hooks respectively.

8. A circuit breaker contact structure for ease of installation according to claim 1, wherein: a rubber gasket is arranged between the connecting knob (16) and the clamping plate (2).

Technical Field

The invention relates to the technical field of circuit breakers, in particular to a circuit breaker contact structure convenient to install.

Background

The circuit breaker is a switching device capable of closing, carrying and opening/closing a current under a normal circuit condition and closing, carrying and opening/closing a current under an abnormal circuit condition within a specified time, can be used for distributing electric energy, does not frequently start an asynchronous motor, protects a power supply line, a motor and the like, is widely applied to a power distribution system, and is one of important constituent structures in the circuit breaker.

The existing circuit breaker contact structure is inconvenient to install, and when the existing circuit breaker contact structure is closed, the moving contact can receive large impact force due to contact collision, and the moving contact is easy to damage in the past.

Disclosure of Invention

The invention aims to: in order to solve current circuit breaker contact structure and be not convenient for install, and current circuit breaker contact structure when closed, the moving contact can receive great impact force because of the contact collision, in the long term, causes the problem of the damage of moving contact easily, provides the circuit breaker contact structure of being convenient for to install.

In order to achieve the purpose, the invention provides the following technical scheme: a circuit breaker contact structure convenient to install comprises a structure main body, wherein the structure main body is composed of two groups of clamping plates, a fixed shaft is fixed at the bottom end of one side of one group of clamping plates, a groove is formed in the clamping plate and positioned above the fixed shaft, a first connecting hole is formed in one end, positioned in the groove, of one side of the clamping plate, a shaft block is movably connected to the inner sides of the two groups of clamping plates, a second connecting hole corresponding to the first connecting hole is formed in the shaft block, a rotating shaft is inserted into the first connecting hole and the second connecting hole, a connecting block is arranged at one end of the outer side of the shaft block, a moving shaft penetrating through the groove and extending to the outer side of the clamping plate is arranged at one side of the connecting block, a first spring is connected between the moving shaft and the fixed shaft, a transmission rod is arranged at one end, far away from, the structure comprises a groove, a moving contact is movably connected inside the groove, a second spring is connected between the bottom end inside the groove and the bottom of the moving contact, a mounting plate is arranged at one end of each structure body, the number of the structure bodies is multiple groups, the multiple groups of the structure bodies are connected in an equidistant mode through rotating shafts, and connecting knobs are connected to two ends of the outer side of each rotating shaft.

Preferably, the fixed shaft and the movable shaft are both provided with a limiting block on one side far away from the clamping plate.

Preferably, the inner side of the groove is provided with a sliding groove, and the bottom ends of the two sides of the moving contact are respectively provided with a sliding block matched with the sliding groove.

Preferably, the slot is of an arc structure and is matched with the moving shaft.

Preferably, a neutral position is left between two adjacent groups of the structure bodies, and a connecting knob is connected between the two adjacent groups of the structure bodies on the outer side of the rotating shaft.

Preferably, the outer side of the connecting knob is uniformly provided with anti-skid grains.

Preferably, the both ends of first spring all are provided with the couple, and the both ends of first spring all can be dismantled with dead axle, moving axis respectively through the couple and be connected.

Preferably, a rubber gasket is arranged between the connecting knob and the clamping plate.

Compared with the prior art, the invention has the beneficial effects that: the structure main bodies are arranged into two groups of clamping plates, the inner sides of the two groups of clamping plates are rotatably connected with the shaft block and the transmission rod through the rotating shafts, the multiple groups of structure main bodies are connected through the rotating shafts, then the two ends of the outer sides of the rotating shafts and the two adjacent groups of structure main bodies are connected with the connecting knobs, the multiple groups of structure main bodies are limited and fixed, the disassembly and the assembly are convenient, the structure main bodies with different numbers can be connected through the rotating shafts with different lengths, and the number of the structure main bodies is increased or reduced according to requirements; the one end through at the transfer line top sets up the recess, and the inside swing joint of recess has the moving contact, and is connected with the second spring between inside bottom of recess and the moving contact, and when the moving contact closure bumps, the moving contact extrusion second spring, the second spring corresponds takes place deformation, cushions the power that the moving contact received, and the moving contact is difficult for taking place to damage.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

FIG. 3 is a schematic view of the construction of the transmission rod of the present invention;

FIG. 4 is a schematic structural view of the structural body of the present invention;

fig. 5 is a schematic view of the connection structure of the moving contact and the transmission rod of the invention.

In the figure: 1. a structural body; 2. a splint; 3. fixing a shaft; 4. grooving; 5. a first connection hole; 6. a shaft block; 7. a second connection hole; 8. a rotating shaft; 9. connecting blocks; 10. a moving shaft; 11. a first spring; 12. a transmission rod; 13. a groove; 14. a moving contact; 15. a second spring; 16. a connecting knob; 17. mounting a plate; 18. a limiting block; 19. a chute; 20. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a circuit breaker contact structure convenient to mount comprises a structure body 1, the structure body 1 is composed of two sets of clamping plates 2, a fixed shaft 3 is fixed at the bottom end of one side of one set of clamping plates 2, a slot 4 is arranged above the fixed shaft 3 inside the clamping plate 2, a first connecting hole 5 is arranged at one end of one side of the clamping plate 2, a shaft block 6 is movably connected to the inner side of the two sets of clamping plates 2, a second connecting hole 7 corresponding to the first connecting hole 5 is arranged inside the shaft block 6, a rotating shaft 8 is inserted into the first connecting hole 5 and the second connecting hole 7, a connecting block 9 is arranged at one end of the outer side of the shaft block 6, a moving shaft 10 penetrating through the slot 4 and extending to the outer side of the clamping plate 2 is arranged at one side of the connecting block 9, a first spring 11 is connected between the moving shaft 10 and the fixed shaft 3, a driving rod 12 is arranged, one end of the top of the transmission rod 12, which is far away from the shaft block 6, is provided with a groove 13, the inside of the groove 13 is movably connected with a moving contact 14, a second spring 15 is connected between the bottom end inside the groove 13 and the bottom of the moving contact 14, one end of the structural body 1 is provided with a mounting plate 17, the number of the structural body 1 is multiple groups, the multiple groups of the structural body 1 are connected in an equidistant mode through a rotating shaft 8, and two ends of the outer side of the rotating shaft 8 are connected with a connecting.

According to the invention, the groove 13 is arranged at one end of the top of the transmission rod 12, the movable contact 14 is movably connected in the groove 13, the second spring 15 is connected between the bottom end in the groove 13 and the movable contact 14, when the movable contact 14 is closed and collides, the second spring 15 is extruded by the movable contact 14, the second spring 15 is correspondingly deformed, the force applied to the movable contact 14 is buffered, and the movable contact 14 is not easy to damage.

Please refer to fig. 1 and fig. 2, the fixed shaft 3 and the movable shaft 10 are provided with a limiting block 18 at a side away from the clamping plate 2, the limiting block 18 is provided to limit the second spring 15, so as to prevent the second spring 15 from separating from the fixed shaft 3 and the movable shaft 10.

Please refer to fig. 5, the inner side of the recess 13 is provided with a sliding slot 19, and the bottom ends of the two sides of the movable contact 14 are provided with sliding blocks 20 mutually matched with the sliding slot 19, the movable contact 14 can move within the range of the sliding slot 19 under the action of the sliding slot 19 and the sliding blocks 20 through the arrangement of the sliding slot 19 and the sliding blocks 20 mutually matched, and the movable contact 14 is not easy to be separated from the transmission rod 12.

Please refer to fig. 1, fig. 2 and fig. 4, the slot 4 is an arc structure, and the slot 4 is matched with the moving shaft 10, the moving shaft 10 moves in the range of the slot 4 by setting the slot 4 to be an arc structure according to the moving track of the moving shaft 10.

Please refer to fig. 1, a space is left between two adjacent sets of structure bodies 1, and a connecting knob 16 is connected between the two adjacent sets of structure bodies 1 at the outer side of the rotating shaft 8, the two adjacent sets of structure bodies 1 are separated by the connecting knob 16, so that the structure bodies 1 can be ensured not to be affected by each other, and each set of structure body 1 can work normally and independently.

Please refer to fig. 1 and 2, the outer side of the connection knob 16 is uniformly provided with the anti-slip lines, and the anti-slip device of the invention can increase the friction force with the contact surface by arranging the anti-slip lines on the outer side of the connection knob 16, thereby facilitating the twisting.

Please refer to fig. 1 and 2, the two ends of the first spring 11 are provided with hooks, and the two ends of the first spring 11 are detachably connected to the fixed shaft 3 and the movable shaft 10 respectively through the hooks, so that the first spring 11 can be replaced conveniently by detachably connecting the first spring 11 to the fixed shaft 3 and the movable shaft 10.

The working principle is as follows: the structure main body 1 is two groups of clamping plates 2, the inner sides of the two groups of clamping plates 2 are rotatably connected with a shaft block 6 and a transmission rod 12 through a rotating shaft 8, and a plurality of groups of structure main bodies 1 are also connected through the rotating shaft 8, then two ends of the outer side of the rotating shaft 8 and two adjacent groups of structure main bodies 1 are connected with a connecting knob 16 to limit and fix the groups of structure main bodies 1 for convenient installation, and different numbers of structure main bodies 1 can be connected through the rotating shafts 8 with different lengths, the number of the structure main bodies 1 is increased or reduced according to requirements, in the process that the transmission rod 12 drives a moving contact 14 to move, the moving shaft 10 moves in the range of a slot 4, the first spring 11 generates corresponding deformation along with the first spring, when the moving contact 14 is closed with a static contact, the moving contact 14 can generate larger inertia due to the elastic force factor of the first spring 11 to generate contact collision with the static contact, the moving contact 14 contracts, the second spring 15 is stressed to deform in different degrees, and contracts and rebounds to buffer the force applied to the movable contact 14, the movable contact 14 is not easy to damage, the inner side of the groove 13 is provided with the sliding groove 19, the bottom ends of the two sides of the movable contact 14 are respectively provided with the sliding blocks 20 matched with the sliding groove 19, under the action of the sliding groove 19 and the sliding blocks 20, the movable contact 14 can move within the range of the sliding groove 19, and the movable contact 14 is not easy to separate from the transmission rod 12.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.