CN210668227U

CN210668227U - Guide rail connecting device of circuit breaker

Info

Publication number: CN210668227U
Application number: CN201921438411.3U
Authority: CN
Inventors: 何海良; 沈艳
Original assignee: Delixi Electric Co Ltd
Current assignee: Delixi Electric Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-02
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a circuit breaker technical field especially discloses a guide rail connecting device of circuit breaker, including dismantling the support of connection on the circuit breaker, the fixture that is provided with on the support, fixture is including relative first holder and the second holder that sets up, has the elastic construction that makes first holder and second holder become the centre gripping setting that draws close each other on first holder or/and the second holder, and the clearance between first holder and the second holder constitutes the centre gripping chamber. Adopt above-mentioned structure, provide one kind and can not only be used for installing on the 35 guide rails or 75 guide rails of standard, can also install in other structurally similar with the guide rail through structural adjustment moreover for assembly efficiency can promote, and the more convenient dismantlement and the guide rail connecting device who changes the circuit breaker in the maintenance process of later stage product.

Description

Guide rail connecting device of circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, especially a guide rail connecting device of circuit breaker.

Background

At present, among the prior art, the circuit breaker generally is through the fix with screw on installation panel or crossbeam, need reserve the mounting hole on installation panel or crossbeam, during the installation, need pass installation panel or crossbeam after the mounting hole of circuit breaker with the mounting screw again, then it is fixed through the nut tightening, whole installation process needs more people and man-hour, and the installation is inconvenient, the inefficiency, and it is very inconvenient with the in-process of overhauing to pull down the circuit breaker at the maintenance of later stage, there is higher technical requirement to operating personnel, need more man-hour, influence the ageing of power supply.

And because the volume of circuit breaker is a lot of than the contactor is big, so moulded case circuit breaker does not have the method and directly sets up the draw-in groove on the casing like the contactor, and the commonality is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a guide rail connecting device of circuit breaker can not only be used for installing on the 35 guide rails or the 75 guide rails of standard, can also install in other structurally similar with the guide rail through structural adjustment moreover for assembly efficiency can promote, and dismantlement and change circuit breaker more convenient in the maintenance process of back stage product.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a guide rail connecting device of circuit breaker, is including dismantling the support of connection on the circuit breaker, the fixture that is provided with on the support, fixture is including relative first holder and the second holder that sets up, has the elastic construction that makes first holder and second holder become the centre gripping setting that draws close each other on first holder or/and the second holder, and the clearance between first holder and the second holder constitutes the centre gripping chamber.

In the technical scheme, the bracket is provided with a plurality of threaded holes for connecting the circuit breaker, the circuit breaker with different mounting holes is matched through the positions between the threaded holes with different sizes and the threaded holes, one of the first clamping piece and the second clamping piece can be fixed, the other clamping piece is in elastic adjustment arrangement, or both the first clamping piece and the second clamping piece can be in elastic adjustment arrangement, so that the distance between the first clamping piece and the second clamping piece can be adjusted, namely clamping cavities with different intervals can be provided, the device is conveniently connected to different guide rails or different structures similar to the guide rails, the device is simple and easy to mount and operate, simultaneously, the device is simple in process and convenient to use, the original mode of installing the circuit breaker by screws is changed into a buckling device by the device, the assembly efficiency is greatly improved, and meanwhile, the device is more convenient in the maintenance and replacement processes of products, the maintenance time is reduced, and the power supply efficiency is improved.

As a further setting of the utility model, elastic construction includes first spring holder, spring and second spring holder, first spring holder is fixed to be set up on the support, the second spring holder is fixed to be set up on first holder or/and second holder, the both ends of spring butt respectively on first spring holder and second spring holder.

Among the above-mentioned technical scheme, the spring is compression spring, and the support passes through the spring assembly with first holder or/and second holder and is in the same place, and the spring both guaranteed that first holder or/and second holder can not drop, also guaranteed simultaneously that first holder or/and second holder card can not drop when on 75 guide rails and 35 guide rails.

As the utility model discloses a further setting, first holder includes at least two sets of centre gripping position, is first centre gripping position and second centre gripping position respectively, and the width in the centre gripping chamber that first centre gripping position and second holder constitute is less than the width in the centre gripping chamber that second centre gripping position and second holder constitute.

Among the above-mentioned technical scheme, first centre gripping position and second centre gripping position correspond 35 guide rails and 75 guide rails respectively, and application scope is wide, and the installation is swift convenient.

As the utility model discloses a further setting, the second holder includes at least two sets of centre gripping position, is third centre gripping position and fourth centre gripping position respectively, and first centre gripping position and third centre gripping position constitute first centre gripping chamber, and second centre gripping position and fourth centre gripping position constitute second centre gripping chamber.

Among the above-mentioned technical scheme, first centre gripping chamber corresponds 35 guide rails, and the second centre gripping chamber corresponds 75 guide rails, all is provided with two at least centre gripping position on first holder and the second holder and not only can reduces the displacement of first holder or/and second holder, and adaptable more guide rail structure moreover, the range of application is wider.

As the utility model discloses a further setting, be provided with first centre gripping arm and second centre gripping arm on first centre gripping position and the second centre gripping position respectively, the one end fixed connection of first centre gripping arm and second centre gripping arm is on the support, and the other end becomes to bend to set up and constitutes the end of bending, has the clearance to constitute the installation cavity that the limit held that bends on one side that supplies the guide rail between this end of bending and the support.

Among the above-mentioned technical scheme, the support is the platelike body, and first centre gripping arm and second centre gripping arm are upwards lifted by the support through the cutting and are processed and form, and processing is convenient, save material and cost, and the limit joint of bending of guide rail avoids the guide rail to throw off in the installation cavity, connects conveniently, simple structure.

As the utility model discloses a further setting, the second holder includes the buckle that sets up for the support slides, is provided with the spring chamber that supplies the spring to place on the buckle, and first spring holder and second spring holder all are located the spring chamber, be provided with the connection structure that mutual direction slided between buckle and the support, third centre gripping position and fourth centre gripping position all are located same buckle.

Among the above-mentioned technical scheme, the support passes through the spring assembly with the buckle and is in the same place, and the spring both guaranteed that the buckle can not drop, also guaranteed simultaneously can not drop when the buckle blocks 75 guide rails and 35 guide rails, and first spring holder is fixed to be set up on the wall of spring chamber, and the spring intracavity is arranged in to the second spring holder, all is provided with the projection that supplies the spring housing to establish on the opposite face of first spring holder and second spring holder, and the setting of projection can be used to fixed spring, avoids the spring to drop.

As a further setting of the utility model, be provided with the flange and the guide slot that spacing direction slided between the inner wall in first spring holder and spring chamber, flange and guide slot constitute connection structure.

Among the above-mentioned technical scheme, the setting up of flange and guide slot makes the buckle can be followed and is close to or keep away from the direction removal of first holder for the buckle can guarantee the reliable installation of buckle on the support when receiving the external force of certain non-slip direction.

As a further setting of the utility model, the second holder includes at least two sets of supplementary fender arms, and two sets of supplementary fender arms correspond with third centre gripping position and fourth centre gripping position respectively.

Among the above-mentioned technical scheme, supplementary fender arm and the limit spacing cooperation of bending of one side of guide rail can prevent that the circuit breaker is rotatory, the location of being convenient for, and the installation is more swift convenient.

As a further setting of the utility model, still be provided with supplementary connection structure between buckle and the support, supplementary connection structure is including setting up the relative guide arm that sets up on the support and setting up the direction breach in the corresponding both sides of buckle, the one end fixed connection of guide arm is on the support, and the other end is bent towards the centre and is formed the leading end, and the leading end constitutes the direction setting of pegging graft with the direction breach.

Among the above-mentioned technical scheme, supplementary connection structure's setting can further ensure the direction removal of buckle for the buckle can be in the direction slip between two guide arms of relative setting, and the guide arm is upwards lifted by the support through the cutting and is processed and form, and processing is convenient, save material and cost, and two guide arms are located the corresponding both sides of buckle, stable in structure, rationally distributed.

As the utility model discloses a further setting, supplementary connection structure is two sets of at least, corresponds respectively on third centre gripping position and the fourth centre gripping position, be provided with the first draw-in groove and the second draw-in groove that supply one side of guide rail to bend the limit holding on third centre gripping position and the fourth centre gripping position respectively.

Among the above-mentioned technical scheme, further make to connect more stably, and the direction breach still can constitute spacing cooperation with the guiding arm, prevents that the buckle from excessively being close to first holder, and the function of structure is diversified, and is rationally distributed.

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

Drawings

Fig. 1 is a schematic structural view of a circuit breaker according to an embodiment of the present invention, which is mounted on a 35 guide rail through a guide rail connecting device;

fig. 2 is a schematic structural view of a circuit breaker according to an embodiment of the present invention, which is mounted on a 75-rail via a rail connecting device;

FIG. 3 is a side view of the guide rail connecting device of the embodiment of the present invention connected to the 35 guide rail and the 75 guide rail respectively;

FIG. 4 is a schematic structural diagram of an embodiment of the present invention;

FIG. 5 is an exploded view of a bracket according to an embodiment of the present invention;

FIG. 6 is an exploded view of the buckle according to the embodiment of the present invention;

fig. 7 is an exploded view of the buckle according to the embodiment of the present invention.

Detailed Description

The specific embodiment of the utility model is shown in fig. 1-7, a guide rail connecting device of circuit breaker, including dismantling the support 1 of connection on the circuit breaker, the fixture that is provided with on the support 1, fixture is including relative first holder 2 and the second holder 3 that sets up, has the elastic construction that makes first holder 2 and second holder 3 become the centre gripping setting that draws close each other on first holder 2 or/and the second holder 3, and the clearance between first holder 2 and the second holder 3 constitutes centre gripping chamber A. The support 1 is provided with a plurality of threaded holes 11 for connecting the circuit breaker, the circuit breaker with different mounting holes is adapted through the positions between the threaded holes 11 and the threaded holes 11 with different sizes, one of the first clamping piece 2 and the second clamping piece 3 can be fixed, the other clamping piece can be in an elastic adjustment setting, or both the two clamping pieces can be in an elastic adjustment setting, so that the distance between the first clamping piece 2 and the second clamping piece 3 can be adjusted, namely clamping cavities A with different intervals can be provided, the device is conveniently connected to different guide rails or different structures of similar guide rails, the device is simple to mount, easy to operate, simple in process and convenient to use, the original mode of installing the circuit breaker by screws is changed into a buckle 31 device through the device, the assembly efficiency is greatly improved, and the device is more convenient in the maintenance and replacement processes of products, the maintenance time is reduced, and the power supply efficiency is improved.

The elastic structure comprises a first spring seat 01, a spring 02 and a second spring seat 03, wherein the first spring seat 01 is fixedly arranged on the support 1, the second spring seat 03 is fixedly arranged on the first clamping piece 2 or/and the second clamping piece 3, and two ends of the spring 02 are respectively abutted against the first spring seat 01 and the second spring seat 03. The spring 02 is a compression spring and can also be an extension spring, the bracket 1 and the first clamping piece 2 or/and the second clamping piece 3 are assembled together through the spring 02, and the spring 02 not only ensures that the first clamping piece 2 or/and the second clamping piece 3 cannot fall off, but also ensures that the first clamping piece 2 or/and the second clamping piece 3 cannot fall off when being clamped on the 75 guide rails 5 and 35 guide rails 4.

The first clamping piece 2 comprises at least two groups of clamping point positions, namely a first clamping point position 2a and a second clamping point position 2b, and the width of a clamping cavity A formed by the first clamping point position 2a and the second clamping piece 3 is smaller than that of a clamping cavity A formed by the second clamping point position 2b and the second clamping piece 3. The first clamping point position 2a and the second clamping point position 2b correspond to the 35 guide rails 4 and the 75 guide rails 5 respectively, the application range is wide, and the installation is rapid and convenient.

The second clamping member 3 comprises at least two sets of clamping points, namely a third clamping point 3a and a fourth clamping point 3b, wherein the first clamping point 2a and the third clamping point 3a form a first clamping cavity a1, and the second clamping point 2b and the fourth clamping point 3b form a second clamping cavity a 2. First centre gripping chamber A1 corresponds 35 guide rail 4, and second centre gripping chamber A2 corresponds 75 guide rail 5, all is provided with two at least centre gripping positions on first holder 2 and the second holder 3 not only can reduce the displacement distance of first holder 2 or second holder 3, and adaptable more rail structure moreover, the range of application is wider.

The first clamping point position 2a and the second clamping point position 2b are respectively provided with a first clamping arm 21 and a second clamping arm 22, one end of each of the first clamping arm 21 and the second clamping arm 22 is fixedly connected to the support 1, the other end of each of the first clamping arm 21 and the second clamping arm 22 is bent to form a

bending end

211, 221, and a gap exists between the

bending end

211, 221 and the support 1 to form a mounting cavity 212, 222 for accommodating a bending edge on one side of the guide rail. The both sides that correspond of second centre gripping arm 22 still are equipped with supplementary centre gripping arm 23, during the installation, second centre gripping arm 22 is located the outside of guide rail, supplementary centre gripping arm 23 is located the inboard of guide rail, the limit of bending to the guide rail is inside and outside centre gripping setting, support 1 is the platelike body, first centre gripping arm 21 and second centre gripping arm 22 are upwards lifted processing by support 1 through the cutting and are formed, processing is convenient, save material and cost, the limit joint of bending of guide rail is in installation cavity 212, 222, avoid the guide rail to throw off, convenient connection, simple structure.

Above-mentioned second holder 3 includes the buckle 31 that slides the setting for support 1, is provided with the spring chamber 311 that supplies spring 02 to place on the buckle 31, and first spring holder 01 and second spring holder 03 all are located spring chamber 311, be provided with the connection structure that mutual direction slided between buckle 31 and the support 1, third centre gripping position 3a and fourth centre gripping position 3b all are located same buckle 31. Support 1 and buckle 31 assemble together through spring 02, spring 02 both guarantees that buckle 31 can not drop, also guarantee simultaneously can not drop when buckle 31 blocks 75 guide rail 5 and 35 guide rail 4, first spring holder 01 is fixed to be set up on spring chamber 311 inner wall, spring chamber 311 is arranged in to second spring holder 03, all be provided with the projection 011 that supplies the spring 02 cover to establish on the opposite face of first spring holder 01 and

second spring holder

03, 031, the projection 011, the setting of 031 can be used to fixed spring 02, avoid spring 02 to drop.

A flange 012 and a guide groove 3111 for limiting, guiding and sliding are arranged between the first spring seat 01 and the inner wall of the spring cavity 311, and the flange 012 and the guide groove 3111 form the connection structure. The arrangement of the flange 012 and the guide groove 3111 enables the buckle 31 to move in a direction approaching or departing from the first clamping member 2, so that the buckle 31 can be reliably mounted on the bracket 1 when being subjected to an external force in a certain non-sliding direction.

The second clamping member 3 comprises at least two sets of auxiliary stop arms 32, and the two sets of auxiliary stop arms 32 correspond to the third clamping point 3a and the fourth clamping point 3b, respectively. Supplementary fender arm 32 and the limit spacing cooperation of bending of one side of guide rail can prevent that the circuit breaker is rotatory, and the location of being convenient for, the installation is more swift convenient, and the supplementary fender arm 32 of preferred every group has two, and is relative setting, and buckle 31 is located between two supplementary fender arms 32, and the one end of supplementary fender arm 32 is fixed on support 1, and the other end is unsettled and the limit butt of bending with one side of guide rail.

Still be provided with auxiliary connection structure between above-mentioned buckle 31 and the support 1, auxiliary connection structure is including setting up the relative guide arm 12 that sets up on support 1 and setting up the direction breach 312 in buckle 31's the corresponding both sides, the one end fixed connection of guide arm 12 is on support 1, and the other end bends towards the centre and forms leading end 121, and leading end 121 constitutes the grafting direction setting with direction breach 312. The setting of supplementary connection structure can further ensure the direction removal of buckle 31 for buckle 31 can be the direction slip between two guide arm 12 of relative setting, and guide arm 12 is upwards lifted processing by support 1 through the cutting and is formed, and processing is convenient, save material and cost, and two guide arm 12 are located buckle 31's corresponding both sides, stable in structure, rationally distributed.

The auxiliary connecting structures are at least two groups and respectively correspond to a third clamping point position 3a and a fourth clamping point position 3b, and a first clamping groove 313 and a second clamping groove 314 for accommodating a bent edge on one side of the guide rail are respectively arranged on the third clamping point position 3a and the fourth clamping point position 3 b. Further make to connect more stably, and direction breach 312 still can constitute spacing cooperation with guide arm 12, prevents that buckle 31 from excessively being close to first holder 2, and the function of structure is diversified, and is rationally distributed.

As shown in fig. 7, the plane a1 and the plane a2 or the plane a3 and the plane a2 of the buckle 31 form the guide notch 312, the guide notch 312 is matched with the guide arms 12, so that the buckle 31 can slide between the two guide arms 12 in the same group, and the plane a4 of the buckle 31 is matched with the plane a5 of the guide arms 12, so that the buckle 31 is limited under the elastic force of the spring 02.

The plane a6 of the buckle 31 can tightly press the bending edge of the guide rail 35 4 under the action of the spring 02, and the plane a7 clamps the bending edge of the guide rail 35 4, so that the whole device can be clamped on the guide rail 35 4.

The plane a8 of the buckle 31 will tightly press the bending edge of the 75 guide rail 5 under the action of the spring 02, and the plane a9 clamps the bending edge of the 75 guide rail 5, so that the whole device can be clamped on the 75 guide rail 5.

In the aspect of improving product installation and use and later maintenance, the situation that the current installation is mostly fixed plate front is changed, so that the installation becomes more convenient, the batch installation and the modularized assembly of power distribution facilities are facilitated, the installation efficiency of the circuit breaker is greatly improved, and meanwhile, the product is more easily taken out in the maintenance and replacement processes of the circuit breaker to complete corresponding operation.

The installation and the maintenance efficiency of the effectual improvement product of this design, the device can separately purchase with the circuit breaker simultaneously to can use the circuit breaker product of multiple specification on, match the use according to actual demand, it is more nimble convenient to use, has also improved the market competition of corresponding circuit breaker product.

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. A guide rail connecting device of a circuit breaker is characterized in that: including dismantling the support of connection on the circuit breaker, fixture that is provided with on the support, fixture is including relative first holder and the second holder that sets up, has the elastic construction that makes first holder and second holder become the centre gripping setting that draws close each other on first holder or/and the second holder, and the clearance between first holder and the second holder constitutes the centre gripping chamber.

2. The rail connecting apparatus of a circuit breaker according to claim 1, wherein: the elastic structure comprises a first spring seat, a spring and a second spring seat, the first spring seat is fixedly arranged on the support, the second spring seat is fixedly arranged on the first clamping piece or/and the second clamping piece, and two ends of the spring are respectively abutted against the first spring seat and the second spring seat.

3. The rail connecting apparatus of a circuit breaker according to claim 1 or 2, wherein: the first clamping piece comprises at least two groups of clamping point positions which are respectively a first clamping point position and a second clamping point position, and the width of a clamping cavity formed by the first clamping point position and the second clamping piece is smaller than that of a clamping cavity formed by the second clamping point position and the second clamping piece.

4. The rail connecting apparatus of a circuit breaker according to claim 3, wherein: the second clamping piece comprises at least two groups of clamping point positions, namely a third clamping point position and a fourth clamping point position, the first clamping point position and the third clamping point position form a first clamping cavity, and the second clamping point position and the fourth clamping point position form a second clamping cavity.

5. The rail connecting apparatus of a circuit breaker according to claim 4, wherein: the first clamping point position and the second clamping point position are respectively provided with a first clamping arm and a second clamping arm, one ends of the first clamping arm and the second clamping arm are fixedly connected onto the support, the other ends of the first clamping arm and the second clamping arm are bent to form a bending end, and a gap exists between the bending end and the support to form an installation cavity for accommodating a bending edge on one side of the guide rail.

6. The rail connecting apparatus of a circuit breaker according to claim 4 or 5, wherein: the second clamping piece comprises a buckle which is arranged in a sliding mode relative to the support, a spring cavity for placing a spring is formed in the buckle, the first spring seat and the second spring seat are both located in the spring cavity, a connecting structure which can guide and slide mutually is arranged between the buckle and the support, and the third clamping point position and the fourth clamping point position are both located on the same buckle.

7. The rail connecting apparatus of a circuit breaker according to claim 6, wherein: and a flange and a guide groove which are used for limiting, guiding and sliding are arranged between the first spring seat and the inner wall of the spring cavity, and the flange and the guide groove form the connecting structure.

8. The rail connecting apparatus of a circuit breaker according to claim 4, 5 or 7, wherein: the second clamping piece comprises at least two groups of auxiliary blocking arms, and the two groups of auxiliary blocking arms correspond to the third clamping point position and the fourth clamping point position respectively.

9. The rail connecting apparatus of a circuit breaker according to claim 6, wherein: still be provided with supplementary connection structure between buckle and the support, supplementary connection structure is including setting up the relative guide arm that sets up on the support and setting up the direction breach in the corresponding both sides of buckle, the one end fixed connection of guide arm is on the support, and the other end is bent towards the centre and is formed the direction end, and the direction end constitutes the direction setting of pegging graft with the direction breach.

10. The rail connecting apparatus of a circuit breaker according to claim 9, wherein: the auxiliary connecting structures are at least two groups and respectively correspond to a third clamping point position and a fourth clamping point position, and a first clamping groove and a second clamping groove for accommodating a bent edge at one side of the guide rail are respectively arranged on the third clamping point position and the fourth clamping point position.