CN210223917U

CN210223917U - Connecting structure of circuit breaker

Info

Publication number: CN210223917U
Application number: CN201921186135.6U
Authority: CN
Inventors: Yunjie Cui; 崔贇杰; Li Xiong; 熊丽
Original assignee: Delixi Electric Co Ltd
Current assignee: Delixi Electric Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-03-31
Anticipated expiration: 2029-07-25

Abstract

The utility model relates to a connection structure technical field of circuit breaker especially discloses a connection structure of circuit breaker, including curb plate, base and bottom plate, be equipped with the linking arm of at least a pair of relative setting on the curb plate, two linking arms of a centering are located the side of base and bottom plate respectively, the connecting rod is worn to be equipped with in the activity on the linking arm, be equipped with its elastic component of connection on base or bottom plate of drive on the connecting rod. By adopting the structure, the connecting structure of the circuit breaker is convenient to install and disassemble, improves the production and after-sale maintenance efficiency, and is more convenient to produce and after-sale.

Description

Connecting structure of circuit breaker

Technical Field

The utility model relates to a connection structure technical field of circuit breaker, especially a connection structure for connecting circuit breaker curb plate and circuit breaker casing.

Background

The casing of circuit breaker generally includes base and bottom plate, base and bottom plate are in the same place, the corresponding both sides lid of base and bottom plate junction is equipped with the curb plate, among the prior art, the curb plate is connected through a long screw and nut with being connected of base and bottom plate, the long screw passes the one side of curb plate in proper order, a pedestal, the opposite side of bottom plate and curb plate, then it is fixed through the nut, the connection structure installation and the dismantlement of such circuit breaker are all very inconvenient, greatly reduced production efficiency, and need set up the through-hole that supplies the long screw to pass on base and the bottom plate, the risk of electrical breakdown has been increased like this.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an installation and dismantlement are convenient, improve production and after-sale maintenance's efficiency, make production and after-sale more convenient connection structure of circuit breaker.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a connection structure of circuit breaker, includes curb plate, base and bottom plate, be equipped with the linking arm of at least a pair of relative setting on the curb plate, two linking arms of a centering are located the side of base and bottom plate respectively, the connecting rod is worn to be equipped with in the activity on the linking arm, be equipped with its elastic component of connection on base or bottom plate of drive on the connecting rod.

In the technical scheme, two pairs of preferred connecting arms are respectively positioned at four corners of the side plate, so that clamping is more stable, through holes for the connecting rods to pass through are formed in the connecting arms, the connecting rods can move along the axial direction of the through holes, then the connecting rods can be abutted, clamped or clamped on the base and the bottom plate under the driving of the elastic piece to realize the fixed connection of the side plates, the two connecting arms in one pair are respectively positioned at the side edges of the base and the bottom plate and are oppositely arranged, when in installation, the connecting rods on the same pair of connecting arms are outwards applied with force to be propped open, the connecting rods are put into the side plate installation positions and then put into hands, the tail parts of the connecting rods are naturally abutted or clamped on the base and the bottom plate, so that the connecting rods form the fixed connection of clamping or clamping on the circuit breaker bottom plate and the circuit breaker base, when the model of the circuit breaker is maintained or, the elastic piece at the position can be abutted on the connecting rod or sleeved on the connecting rod to enable the connecting rod to move through pulling force or pushing force on the connecting rod, and the preferred elastic piece can be a spiral spring or a butterfly spring and other elastic structures capable of driving the connecting rod to move.

As a further setting of the utility model, all be provided with the joint hole that the afterbody that supplies the connecting rod inlays to establish the joint on base and the bottom plate.

Among the above-mentioned technical scheme, joint hole and connecting rod one-to-one make the afterbody on the connecting rod fall into the joint hole and form the joint cooperation, connect more firmly.

As a further setting of the utility model, the head that the connecting rod is located the linking arm outside has the shaft shoulder, the elastic component is the spring, and the spring housing is established on the connecting rod and is located between shaft shoulder and the linking arm, and the both ends difference fixed connection of spring is on shaft shoulder and linking arm.

Among the above-mentioned technical scheme, preferred spring is extension spring, and the both hands hold the shaft shoulder of the connecting rod on the same pair of linking arm, and outwards hard it struts, and the spring produces the pulling force to the shaft shoulder this moment, so put into and put into the side plate mounted position after hand, the connecting rod automatic re-setting butt or joint under the effect of pulling force are on base or bottom plate, simple structure, convenient operation.

As the utility model discloses a further setting, the head that the connecting rod is located the linking arm outside has the shaft shoulder, and the connecting rod is located the inboard afterbody of linking arm and has the spring holder, the elastic component is the spring, and the spring housing is established on the connecting rod and is located between spring holder and the linking arm, and the both ends difference butt of spring is on spring holder and linking arm.

Among the above-mentioned technical scheme, the spring of preferred here is compression spring, and the both hands hold the shaft shoulder of the connecting rod on the same pair of linking arm, and outwards hard make it strut, and the spring produces thrust to the spring holder this moment, so put into and release the hand behind the curb plate mounted position, and automatic re-setting butt or joint are on base or bottom plate to the connecting rod under the effect of thrust, simple structure, convenient operation.

As a further arrangement of the utility model, the spring seat or/and the shaft shoulder and the connecting rod constitute and can be dismantled the setting.

Among the above-mentioned technical scheme, preferred spring holder can be dismantled with the connecting rod and be connected, shaft shoulder and connecting rod fixed connection, or spring holder and connecting rod fixed connection, and the shaft shoulder can be dismantled with the connecting rod and be connected, or spring holder and shaft shoulder all can dismantle with the connecting rod and be connected, sets up like this for the connecting rod is installed on the linking arm, makes connecting rod and linking arm also for dismantling and be connected, improves production efficiency.

As a further arrangement of the utility model, the spring seat or/and the shaft shoulder are connected with the connecting rod thread.

Among the above-mentioned technical scheme, threaded connection processes conveniently, and installation and dismantlement are also very convenient.

As a further setting of the utility model, the joint hole is the blind hole.

Among the above-mentioned technical scheme, the joint hole can not only satisfy the demand of joint for the blind hole, but also can avoid appearing the phenomenon of electrical breakdown, and is more safe and reliable.

As a further setting of the utility model, the spring holder is one end confined nut, has the arcwall face on the seal end of spring holder.

Among the above-mentioned technical scheme, this arcwall face can be the ball face, also can be annular cambered surface, has a diameter and is less than the terminal surface of open end if the blind end, and the face of being connected of open end to this terminal surface is annular cambered surface, and preferred spring holder is pegged graft in the joint hole, and the setting of arcwall face is for convenient the insertion, and it is more smooth to peg graft.

The present invention will be further described with reference to the accompanying drawings.

Drawings

FIG. 1 is an exploded view of the structure of an embodiment of the present invention;

FIG. 2 is a diagram illustrating the structure of the embodiment of the present invention;

fig. 3 is a cross-sectional view a-a of fig. 2.

Detailed Description

The utility model discloses a concrete embodiment is shown in fig. 1-3, a connection structure of circuit breaker, including curb plate 1, base 2 and bottom plate 3, be equipped with the linking arm 11 of at least a pair of relative setting on the curb plate 1, two linking arms 11 in a pair of are located the side of base 2 and bottom plate 3 respectively, connecting rod 4 is worn to be equipped with in the activity on the linking arm 11, and the head of connecting rod 4 has shaft shoulder 41, and the afterbody has spring holder 42, and the cover is equipped with spring 43 on connecting rod 4, and spring 43 is located between shaft shoulder 41 and the linking arm 11 or between linking arm 11 and the spring 43 seat 42 or is located the one end of connecting rod 4.

Preferably, the two pairs of connecting arms 11 are respectively positioned at four corners of the side plate 1, so that clamping is more stable, the connecting arms 11 are provided with through holes 111 for the connecting rods 4 to pass through, the connecting rods 4 are firstly arranged on the connecting arms 11 in a penetrating way, the connecting rods 4 can move along the axial direction of the through holes 111, then the connecting rods 4 can be abutted, clamped or clamped on the base 2 and the bottom plate 3 under the driving of the springs 43 to realize the fixed connection of the side plates 1, the two connecting arms 11 in one pair are respectively positioned at the side edges of the base 2 and the bottom plate 3 and are oppositely arranged, when in installation, the connecting rods 4 on the connecting arms 11 are outwards applied with force to be spread, the connecting rods are put into the installation positions of the side plates 1 and then put into hands, the tail parts of the connecting rods 4 are naturally abutted or clamped on the base 2 and the bottom plate 3, the connecting rods 4 form the fixed, if the side plate 1 needs to be taken down, the connecting rods 4 on the same pair of connecting arms 11 only need to be driven to be unfolded outwards again, and the connecting rods are released after being separated from the installation positions of the side plate 1, the installation and the disassembly are both convenient and fast, the connecting rods 4 are moved by the springs 43 through the pulling force or the pushing force of the connecting rods 4, and the preferable springs 43 can be helical springs 43 or disc springs 43 and other elastic structures which can drive the connecting rods 4 to move.

The base 2 and the bottom plate 3 are provided with

clamping holes

21 and 31 for the tail part of the connecting rod 4 to be embedded and clamped.

Joint hole

21, 31 and connecting rod 4 one-to-one make the afterbody on the connecting rod 4 fall into and form the joint cooperation in

joint hole

21, 31, connect more firmly, and the afterbody of connecting rod 4 can be spring 43 seat 42 and insert and establish in

joint hole

21, 31, also can be that the tip of connecting rod 4 inserts and establish in

joint hole

21, 31.

The spring 43 seat 42 and/or the shoulder 41 are/is detachably arranged with the connecting rod 4. The preferred spring 43 seat 42 can be dismantled with connecting rod 4 and be connected, and shoulder 41 and connecting rod 4 fixed connection, or spring 43 seat 42 and connecting rod 4 fixed connection, and shoulder 41 can be dismantled with connecting rod 4 and be connected, or spring 43 seat 42 and shoulder 41 all can be dismantled with connecting rod 4 and be connected, and the setting is so on connecting rod 4 installs connecting arm 11 for the convenience, makes connecting rod 4 also for dismantling with connecting arm 11 and is connected, improves production efficiency.

The spring 43 and the seat 42 and/or the shoulder 41 are/is screwed to the connecting rod 4. The threaded connection is convenient to process, and the installation and the disassembly are also convenient.

The

engaging holes

21 and 31 are blind holes. The

clamping holes

21 and 31 can meet the clamping requirement for the blind holes, and can avoid the phenomenon of electrical breakdown, so that the clamping device is safer and more reliable.

The spring 43 seat 42 is a nut with one closed end, the closed end of the spring 43 seat 42 has an end surface with a diameter smaller than that of the open end, and the connection surface from the open end to the end surface is an arc surface 421. The preferred spring 43 seat 42 is inserted into the

clamping holes

21, 31, and the arc surface 421 is provided to facilitate the insertion and make the insertion smoother.

Embodiment 1, when the spring 43 is located between the shoulder 41 and the connecting arm 11, the preferred spring 43 is an extension spring 43, two ends of the spring 43 are respectively and fixedly connected to the shoulder 41 and the connecting arm 11, two hands hold the shoulders 41 of the connecting rods 4 on the same pair of connecting arms 11, and exert an outward force to expand the connecting rods, at this time, the spring 43 generates a pulling force on the shoulder 41, so that the user puts in the mounting position of the side plate 1 and then puts in the hand, and the connecting rods 4 automatically reset and abut against or are clamped on the base 2 or the bottom plate 3 under the action of the pulling force, so that the structure is simple and the operation is convenient.

Embodiment 2, when the spring 43 is located between the spring 43 seat 42 and the connecting arm 11, the preferred spring 43 here is the compression spring 43, two ends of the spring 43 respectively abut against the spring 43 seat 42 and the connecting arm 11, the shoulder 41 and the connecting arm 11 form a limiting fit, the connecting rod 4 is prevented from falling out of the through hole 111, the shoulders 41 of the connecting rods 4 on the same pair of connecting arms 11 are held by two hands, the connecting rods are outwards forced to be spread, at this time, the spring 43 generates thrust to the spring 43 seat 42, so the connecting rods are placed into the mounting position of the side plate 1 and then released, the connecting rods 4 automatically reset to abut against or are clamped on the base 2 or the bottom plate 3 under the action of the thrust, the structure is simple, and the.

Embodiment 3, when the spring 43 abuts on one end of the connecting rod 4, the preferred spring 43 here is the compression spring 43, the other end of the spring 43 can abut on the baffle fixed on the connecting arm 11, the side of the connecting rod 4 protrudes with a shifting block for driving the connecting rod 4 to move, during installation, two hands hold the shifting blocks on the connecting rod 4 on the same pair of connecting arms 11, force is exerted outwards to expand the shifting blocks, at this moment, the spring 43 generates thrust to the connecting rod 4, so the hand is put into the installation position of the side plate 1, the connecting rod 4 automatically resets and abuts or is clamped on the base 2 or the bottom plate 3 under the action of the thrust, the structure is simple, and the operation is convenient.

The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides a connection structure of circuit breaker, includes curb plate, base and bottom plate, its characterized in that: the side plates are provided with at least one pair of connecting arms which are oppositely arranged, the two connecting arms in one pair are respectively positioned at the side edges of the base and the bottom plate, the connecting arms are movably penetrated with connecting rods, and the connecting rods are provided with elastic pieces for driving the connecting rods to be connected on the base or the bottom plate.

2. The connection structure of the circuit breaker according to claim 1, wherein: the base and the bottom plate are both provided with clamping holes for the tail parts of the connecting rods to be embedded and connected.

3. The connection structure of the circuit breaker according to claim 1 or 2, wherein: the head that the connecting rod is located the linking arm outside has the shaft shoulder, the elastic component is the spring, and the spring housing is established on the connecting rod and is located between shaft shoulder and the linking arm, and the both ends of spring fixed connection respectively is on shaft shoulder and linking arm.

4. The connection structure of the circuit breaker according to claim 1 or 2, wherein: the head that the connecting rod is located the linking arm outside has the shaft shoulder, and the afterbody that the connecting rod is located the linking arm inboard has the spring holder, the elastic component is the spring, and the spring housing is established on the connecting rod and is located between spring holder and the linking arm, and the both ends of spring butt respectively is on spring holder and linking arm.

5. The connection structure of the circuit breaker according to claim 4, wherein: the spring seat or/and the shaft shoulder and the connecting rod form a detachable arrangement.

6. The connection structure of the circuit breaker according to claim 5, wherein: the spring seat or/and the shaft shoulder are/is in threaded connection with the connecting rod.

7. The connection structure of the circuit breaker according to claim 2, wherein: the clamping hole is a blind hole.

8. The connection structure of the circuit breaker according to claim 5 or 6, wherein: the spring holder is the nut of one end confined, has the arcwall face on the confined end of spring holder.