CN210535597U - Circuit breaker cardboard mechanism - Google Patents

Abstract

The utility model discloses a circuit breaker clamping plate mechanism, which comprises an installation slot and a clamping plate part inserted in the installation slot, wherein two clamping groove structures are respectively arranged on the two side slot walls of the installation slot, and a limiting groove is arranged on the bottom plate of the installation slot; the cardboard part is including setting up two elasticity card feet on its both sides side, and the shaping is in the downthehole elastic rib structure of holding of cardboard part, elastic rib structure one end links to each other with cardboard part one end, its other end cooperation butt in spacing recess, adopt this technical scheme, cardboard part exerts bigger fastening force to the guide rail through the combined action of two elasticity card feet and elastic rib structures, and can play atress cushioning effect through the deformation effect of elastic rib structure, fine toughness has, structural stability is good, it is effectual to the chucking of guide rail, guarantee the installation stability of circuit breaker, still have two kinds of dismantlement modes simultaneously concurrently, it is convenient to tear open and get the circuit breaker, can satisfy different customers' use needs.

Description

Circuit breaker cardboard mechanism

Technical Field

The utility model relates to a low voltage apparatus technical field, concretely relates to circuit breaker cardboard mechanism.

Background

Miniature circuit breaker is arranged in the circuit to play overload and short-circuit protection's effect, and general miniature circuit breaker can be equipped with the buckle in its bottom, and this buckle mainly used miniature circuit breaker's installation can be connected the circuit breaker through the buckle and realize fixing on installing the guide rail.

For example, chinese patent document CN201708101U discloses a buckle for connecting a guide rail and a circuit breaker, the buckle has an i-shaped buckle main body, which is composed of an upper beam, a lower beam and a vertical beam longitudinally connecting the upper beam and the lower beam, the left and right sides of the buckle main body are respectively provided with an elastic arm, the upper end portion of the elastic arm is respectively connected with the upper beam into a whole, the lower end portion of the elastic arm is provided with an outward protrusion, the bottom surface of the lower beam is provided with a guide rail mounting groove adapted to the guide rail, correspondingly, the bottom of the circuit breaker is provided with a mounting groove for mounting the buckle, two sides of the mounting groove are respectively provided with two sections of inclined plane clamping grooves matched with the protrusion of the elastic arm, the protrusion of the elastic arm is abutted against the clamping grooves, the buckle presses and fastens the guide rail, thereby realizing the mounting of the circuit breaker on the guide rail, and when the circuit breaker is disassembled, the guide rail is, that is, the buckle cannot be unfastened due to insufficient telescopic distance, and therefore, the buckle needs to be separated from the guide rail by tilting the tail end of the buckle with the aid of a screwdriver tool, and the buckle is inconvenient to detach.

It can be seen from the structure of above-mentioned buckle that this buckle of current circuit breaker in the in-service use still has following problem when installing in the guide rail: 1. the buckle is clamped in the clamping groove by the protrusions of the two elastic arms to provide elastic force to clamp the guide rail, the two protrusions are easy to slide and deflect in the clamping groove, the applied elastic force is small and unstable, and the clamping effect on the guide rail is poor; 2. the guide rail can exert reaction force to the buckle when being extruded, if the buckle atress is not just and when taking place the card and hinder, too big extrusion force can cause hard extrusion damage to the perpendicular roof beam of buckle, causes the bending deformation phenomenon of perpendicular roof beam position even, influences the normal use of buckle.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the chucking power that the buckle among the prior art applyed to the guide rail little, and the chucking effect is poor to and too big extrusion force can cause the hard extrusion damage of buckle, influence the problem of buckle normal use, thereby provide one kind and effectual to the chucking of guide rail, the atress can cushion, the circuit breaker cardboard mechanism that structural stability is good.

In order to solve the technical problem, the utility model provides a circuit breaker cardboard mechanism, include:

the installation slot is arranged at the bottom of the circuit breaker, two slot structures are respectively arranged on two side slot walls of the installation slot, and a limiting groove is arranged on a bottom plate of the installation slot;

the clamping plate component is suitable for being inserted into the installation slot, the clamping plate component comprises two elastic clamping pins which are arranged on the side edges of the two sides of the clamping plate component and are matched with the clamping groove structures, an accommodating hole which is formed between the two ends of the clamping plate component, and an elastic rib structure which is formed in the accommodating hole along the extending direction of the installation slot, the clamping plate component drives the elastic rib structure to stretch into the limiting groove when being inserted into the installation slot, one end of the elastic rib structure is connected with one end of the clamping plate component, and the other end of the elastic rib structure is matched and abutted to the limiting groove.

Preferably, the elastic rib structure is arranged at the middle position of the clamping plate component in a wavy manner.

As a preferred scheme, one end of the clamping plate component is a buckle end connected with the elastic rib structure, and the other end of the clamping plate component is an operation end provided with an operation hole.

As a preferred scheme, the installation slot is provided with two notch grooves on two sides of the port of the buckle end in a penetrating manner, and baffle parts which can be slidably connected in the notch grooves are arranged on two sides of the buckle end.

Preferably, the limiting groove includes an opening portion extending to the port of the mounting slot and capable of accommodating the fastening end.

As a preferable scheme, the slot structure includes a first slot and a second slot disposed on the slot wall of the installation slot, and a guide slope structure disposed between the first slot and the second slot and having a V shape.

As a preferred scheme, the elastic clamping leg has a buckle protrusion adapted to be clamped in the first clamping groove or the second clamping groove, and a clamping force generated when the buckle protrusion abuts against the second clamping groove along with the movement of the elastic clamping leg is greater than a deformation force generated by the deformation of the elastic rib structure.

As a preferable scheme, the first locking groove and the second locking groove respectively include a limiting blocking wall arranged opposite to the guiding inclined plane structure.

Compared with the prior art, the technical scheme of the utility model have the following advantage:

1. the circuit breaker clamping plate mechanism provided by the utility model has the clamping plate part inserted in the installation slot, when the guide rail is installed, the two elastic clamping legs are abutted against the clamping groove structure to provide clamping force for pressing the guide rail for the clamping plate part, and the elastic force required by the pressing guide rail is provided for the clamping plate part through the deformation action generated by the elastic rib structure abutting against the limiting groove, the design has the advantages that the combined action generated by the installation of the two elastic clamping feet and the elastic rib structure applies larger fastening force to the guide rail, the installation stress is stable and reliable, moreover, the clamping plate component can play a role of stress buffering through the deformation effect of the elastic rib structure on the clamping plate component, avoids hard extrusion damage to the clamping plate component, has good toughness and good structural stability, the clamping effect on the guide rail is good, the use performance of the clamping plate mechanism is improved, and the installation stability of the circuit breaker is guaranteed.

2. The utility model provides a circuit breaker cardboard mechanism, when will dismantling the circuit breaker from the guide rail, can adopt the operation end that the perk of screwdriver instrument pulled cardboard part, order about two elasticity card feet and slide back to the second draw-in groove from first draw-in groove, thereby make cardboard part keep away from the guide rail direction and remove the fastening to the guide rail, thereby can take off the circuit breaker, can also adopt and bulldoze the circuit breaker mode and dismantle, can make cardboard part extrusion guide rail one side when promoting the circuit breaker promptly, deformation volume through compression elasticity muscle structure, make the opposite side of guide rail then loosen with the circuit breaker base, at this moment just can take off the circuit breaker, therefore, adopt two kinds of dismantlement modes of this technical scheme's compatible above-mentioned of cardboard mechanism, and convenient for disassembly, and good in practicability, can satisfy different customers's user demand.

3. The utility model provides a circuit breaker cardboard mechanism, the port both sides of installation slot set up two breach grooves, the both sides of buckle end are equipped with the baffle portion that is fit for connecting in the breach groove, and this kind of structure sets up, the side of guide rail can stretch into one section distance to two breach inslots when the extrusion buckle end, can limit the flexible distance of buckle end at the installation slot through baffle portion and the cooperation of breach groove, avoids cardboard part to excessively remove when extrudeing.

4. The utility model provides a circuit breaker cardboard mechanism, the buckle is protruding to be followed elasticity card foot remove the butt in the chucking power that produces during the second draw-in groove is greater than the deformation power that elasticity muscle structure deformation produced, this kind of structure setting can make the deformation power that elasticity card foot overcome elasticity muscle structure stop in second draw-in groove position to realize cardboard part at the stop effect of second draw-in groove position department, the follow-up operation of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.

Fig. 1 is a schematic structural diagram of a circuit breaker clamping plate mechanism provided by the present invention;

fig. 2 is a schematic diagram of the internal structure of the circuit breaker clamping plate mechanism of the present invention;

fig. 3 is a schematic structural view of the circuit breaker clamping plate mechanism of the present invention when the guide rail is disassembled;

fig. 4 is a schematic sectional view of the mounting slot according to the present invention;

FIG. 5 is a schematic structural view of a card board component of the present invention;

the reference numbers indicate 1-installation slot, 11-bottom plate, 12-notch slot, 2-clamping plate component, 20-containing hole, 21-elastic clamping pin, 211-clamping projection, 22-elastic rib structure, 23-clamping end, 231-baffle plate, 24-operating end, 25-operating hole, 3-clamping slot structure, 31-first clamping slot, 32-second clamping slot, 33-guiding inclined plane structure, 34-limiting baffle wall, 4-limiting groove and 5-breaker.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Example 1

The utility model provides a circuit breaker cardboard mechanism as shown in figures 1-5, include:

the circuit breaker comprises an installation slot 1, a circuit breaker 5 and a circuit breaker, wherein the installation slot 1 is arranged at the bottom of the circuit breaker 5, two slot structures 3 are respectively arranged on two side slot walls of the installation slot 1, and a limiting groove 4 is arranged on a bottom plate 11 of the installation slot 1;

the clamping plate component 2 is suitable for being inserted into the installation slot 1, the clamping plate component 2 comprises two elastic clamping feet 21 which are arranged on the side edges of the two sides of the clamping plate component and matched with the clamping groove structures 3, a containing hole 20 which is formed between the two ends of the clamping plate component, and elastic rib structures 22 which are formed in the containing hole 20 along the extension direction of the installation slot, when the clamping plate component 2 is inserted into the installation slot 1, the elastic rib structures 22 are driven to extend into the limiting grooves, one end of each elastic rib structure 22 is connected with one end of the clamping plate component 2, and the other end of each elastic rib structure is matched and abutted against the limiting grooves 4.

The above embodiment is the core technical solution of this embodiment, according to that the card board part 2 is inserted into the installation slot 1, when installing the guide rail, the two elastic clamping legs 21 are elastically abutted in the clamping groove structure 3 to provide the clamping force for pressing the guide rail for the card board part 2, and the elastic rib structure 22 is abutted in the limiting groove 4 to generate the deformation effect for providing the elastic force required for pressing the guide rail for the card board part 2, so that the design has the advantages that the card board part applies a larger fastening force to the guide rail by the combined action generated by the installation of the two elastic clamping legs 21 and the elastic rib structure 22, the installation stress is stable and reliable, and the deformation effect of the elastic rib structure thereon can play a stress buffering role, thereby avoiding hard extrusion damage to the card board part, and having good toughness, good structural stability and good clamping effect to the guide rail, promote the performance of cardboard mechanism, guarantee the installation stability of circuit breaker.

With reference to fig. 2 and 5, the elastic rib structure 22 is arranged at the middle position of the clamping plate component 2 in a wavy manner, namely, the elastic rib structure is integrally formed with the clamping plate component 2, the elastic rib structure 22 can deform when being extruded, and the shell recovers deformation when the external force disappears, the deformation amount is larger, the larger the thrust applied by the clamping plate component 2 is, the stress is stable and reliable, and the fastening effect on the guide rail is enhanced.

The following describes the arrangement of the card board components in detail with reference to fig. 1-2 and 5:

one end of the clamping plate component 2 is a buckle end 23 connected with the elastic rib structure, the other end of the clamping plate component is an operation end 24 provided with an operation hole 25, the buckle end is used for extruding and fastening the guide rail, and the clamping plate component can move in the installation slot by pushing and pulling the operation end, so that the clamping plate component 2 is installed in place. In order to ensure the installation stability when the clamping plate component 2 and the guide rail are extruded with each other, two notched grooves 12 are arranged on two sides of the port of the mounting slot 1 where the buckling end 23 passes through, both sides of the locking end 23 are provided with a blocking plate portion 231 slidably coupled in the notch groove 12, wherein, the limit groove 4 comprises an opening part which extends to the port of the installation slot 1 and can accommodate the buckle end 23, so that the buckle end can retreat into the opening part when being extruded, with this arrangement, the side edges of the guide rails can extend into the two notch grooves for a distance when the buckle end 23 is pressed, through baffle portion 231 with the flexible distance of buckle end 23 in the installation slot can be limited in the cooperation of breach groove 12, excessive removal when avoiding cardboard part to receive the extrusion also helps accomplishing the dismantlement operation between guide rail and the circuit breaker better simultaneously.

The specific arrangement of the card slot structure is described in detail below with reference to fig. 1-2 and 4:

the card slot structure 3 comprises a first card slot 31 and a second card slot 32 which are arranged on the slot wall of the installation slot 1, and a guide inclined plane structure 33 which is arranged between the first card slot 31 and the second card slot 32 and is in a V shape, the elastic card foot 21 is provided with a buckle bulge 211 which is suitable for being clamped in the first card slot 31 or the second card slot 32, when the card board component 2 is displaced by a large acting force, the elastic card foot can be switched and moved between the first card slot 31 and the second card slot 32 easily through the guide inclined plane structure 33, so as to play a role in guiding the elastic clamping action of the elastic card foot 21, wherein the first card slot 31 and the second card slot 32 respectively comprise a limit stop wall 34 which is arranged relative to the guide inclined plane structure 33, and the buckle bulge of the elastic card foot 21 is limited through the limit stop wall 34, the elastic clamping legs 21 can be effectively prevented from being separated from the clamping groove structure 3.

As a preferred embodiment, when the card board part 2 drives the elastic clip leg 21 to move back from the first slot 31 to the second slot 32, the fastening force generated when the fastening protrusion 211 abuts against the second slot 32 along with the movement of the elastic clip leg is greater than the deformation force generated by the deformation of the elastic rib structure 22, so that the elastic clip leg 21 can overcome the deformation force of the elastic rib structure 22 to stay at the second slot, thereby realizing the stay effect of the card board part 2 at the second slot position without being held by an external force, and the operation is simple and convenient for the subsequent operation.

In this embodiment, when the circuit breaker 5 needs to be taken down from the guide rail, the card board mechanism of this embodiment has two disassembling manners, one of which is to tilt and pull the operation end 23 of the card board component 2 by using tools such as a screwdriver, etc. to drive the two elastic clamping legs 21 to slide back from the first clamping groove to the second clamping groove, and perform two-stage disassembling, so that the card board component 2 moves away from the guide rail and releases the fastening effect on the guide rail, so as to take down the circuit breaker, the other one is to directly disassemble by pushing and pressing the circuit breaker, i.e. when pushing the circuit breaker 5, the card board component 2 extrudes the side edge of one side of the guide rail, and by compressing the deformation amount of the elastic rib structure 2, the side edge of the other side of the guide rail is loosened from the bottom edge of the circuit breaker, so as to take down the circuit breaker, therefore, the card board mechanism adopting the technical scheme is compatible with, the disassembly is convenient, the practicability is good, and the use requirements of different customers can be met.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (8)

1. A circuit breaker catch plate mechanism, comprising:

the installation slot (1) is arranged at the bottom of the circuit breaker (5), two slot structures (3) are respectively arranged on two side slot walls of the installation slot (1), and a limiting groove (4) is arranged on a bottom plate (11) of the installation slot (1);

the clamping plate component (2) is suitable for being inserted into the installation slot (1), the clamping plate component (2) comprises two elastic clamping feet (21) which are arranged on the side edges of the two sides of the clamping plate component and matched with the clamping groove structures (3), a containing hole (20) which is formed between the two ends of the clamping plate component, and elastic rib structures (22) which are formed in the containing hole (20) along the extension direction of the installation slot, the clamping plate component (2) is inserted into the installation slot and drives the elastic rib structures (22) to stretch into the limiting grooves, one end of each elastic rib structure (22) is connected with one end of the clamping plate component (2), and the other end of each elastic rib structure is matched and abutted to the limiting grooves (4).

2. The circuit breaker card mechanism of claim 1, wherein: the elastic rib structure (22) is arranged in the middle of the clamping plate component (2) in a wavy manner.

3. A circuit breaker catch mechanism according to claim 2, wherein: one end of the clamping plate component (2) is a clamping end (23) connected with the elastic rib structure, and the other end of the clamping plate component is an operation end (24) provided with an operation hole (25).

4. A circuit breaker card mechanism as claimed in claim 3, wherein: installation slot (1) is worn to be equipped with the port both sides of buckle end (23) are equipped with two breach grooves (12), the both sides of buckle end (23) are provided with slidable connection in baffle portion (231) in breach groove (12).

5. The circuit breaker card mechanism of claim 4, wherein: the limiting groove (4) comprises an opening part which extends to the port of the installation slot (1) and can accommodate the buckle end (23).

6. A circuit breaker card mechanism according to any one of claims 1 to 5, wherein: the clamping groove structure (3) comprises a first clamping groove (31) and a second clamping groove (32) which are arranged on the groove wall of the installation slot (1), and a guide inclined surface structure (33) which is arranged between the first clamping groove (31) and the second clamping groove (32) and is in a V shape.

7. The circuit breaker card mechanism of claim 6, wherein: elasticity card foot (21) have be fit for the joint in buckle arch (211) in first draw-in groove (31) or second draw-in groove (32), buckle arch (211) are followed elasticity card foot removes the chucking power that the butt produced when second draw-in groove (32) is greater than the deformation power that elasticity muscle structure (22) deformation produced.

8. The circuit breaker card mechanism of claim 7, wherein: the first clamping groove (31) and the second clamping groove (32) respectively comprise a limiting blocking wall (34) arranged opposite to the guide inclined surface structure (33).

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