CN215496568U

CN215496568U - Moulded case circuit breaker with positioning module

Info

Publication number: CN215496568U
Application number: CN202121718539.2U
Authority: CN
Inventors: 褚明华; 倪蕴之
Original assignee: Suzhou Qingdian Suzhou Hangzhou Automation Technology Co ltd
Current assignee: Suzhou Qingdian Suzhou Hangzhou Automation Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-11
Anticipated expiration: 2031-07-27

Abstract

The utility model relates to the field of molded case circuit breakers, in particular to a molded case circuit breaker with a positioning module. The molded case circuit breaker with the positioning module comprises a breaker body, a side block, a locking mechanism, a positioning mechanism and a substrate, wherein the side block is fixed on the side edge of the breaker body, the locking mechanism is installed in the side block, the substrate is arranged on the back surface of the side block and is connected with the locking mechanism, fixing holes are symmetrically formed in the surface of the substrate, the positioning mechanism is fixed at the bottom of the breaker body, and the positioning mechanism is fixedly connected with the substrate. The utility model adopts the elastic buckling frame to be clamped with the inserting block to realize the fixed installation of the side block and the breaker body, the clamping connection of the buckling frame and the inserting block is directly unlocked by pressing the pressing handle with fingers, the disassembly of the breaker body and the side block is realized, the operation is convenient, in addition, the circuit is synchronously extruded and fixed by the positioning mechanism, the fixing strength of a screw at the electric connection part is shared, the electric connection is stable, and the service life of the electric connection part is prolonged.

Description

Moulded case circuit breaker with positioning module

Technical Field

The utility model relates to the field of molded case circuit breakers, in particular to a molded case circuit breaker with a positioning module.

Background

The molded case circuit breaker can automatically cut off the current after the current exceeds the trip setting. Plastic housing refers to the use of plastic insulators as the outer housing of the device to isolate the conductors from each other and from the grounded metal parts. Molded case circuit breakers typically contain a thermo-magnetic trip unit, while large molded case circuit breakers are equipped with a solid state trip sensor.

Traditional moulded case circuit breaker carries out fixed mounting through the screw, because electric cabinet or automatically controlled box space are limited, and the installation is comparatively inconvenient, and the connection of circuit is fixed in addition need be screwed up the screw and is extruded to the wire head, can make the used repeatedly time of screw shorten, consequently, it is necessary to provide a new moulded case circuit breaker who has orientation module and solves above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, the present invention provides a molded case circuit breaker with a positioning module.

The utility model provides a molded case circuit breaker with a positioning module, which comprises: the side block is fixed on the side edge of the breaker body, the locking mechanism is installed in the side block, the substrate is arranged on the back of the side block and is connected with the locking mechanism, fixing holes are symmetrically formed in the surface of the substrate, the positioning mechanism is fixed at the bottom of the breaker body, and the positioning mechanism is fixedly connected with the substrate.

Preferably, locking mechanical system includes adjustment tank, slot, inserted block, knot frame, catching groove, jack-post, presses the indent and presses the handle, the inside adjustment tank of having seted up of side piece, the slot has been seted up to one side that the side piece is close to the base plate, be provided with the inserted block in the slot, and inserted block and base plate fixed connection, the adjustment tank internal fixation has the jack-post, the jack-post surface is rotated through torque spring symmetry elasticity and is installed and detain the frame, the catching groove has been seted up on the inserted block surface, and detains frame tip and catching groove joint, the one side symmetry that the base plate was kept away from to the side piece is seted up the groove of pressing that communicates with the adjustment tank, and presses inslot slidable mounting to have and press the handle, and press handle and detain frame tip extrusion contact.

Preferably, a limiting column is fixed inside the pressing groove, a limiting groove is formed in the surface of the pressing handle, and the limiting column is connected with the limiting groove in a sliding mode.

Preferably, the edges of the pressing grooves and the top of the pressing handle are both provided with round corners.

Preferably, the buckling frame, the shaft column and the inserting block are all made of hard aluminum alloy materials.

Preferably, the surface of the substrate is symmetrically fixed with positioning columns, the surface of the side block is symmetrically provided with positioning holes, and the positioning columns are inserted into the positioning holes.

Preferably, the positioning mechanism comprises a bottom shell, a wire groove, a driving groove, an extrusion block, a moving block, a screw rod and a twisting handle, the bottom shell is fixedly connected with the base plate, the wire groove is formed in one side of the bottom shell at equal intervals, the driving groove is formed in the bottom shell, the screw rod is rotatably installed in the driving groove, the twisting handle is fixed at the end of the screw rod, the extrusion blocks are arranged on two sides of the wire groove in the driving groove, the moving block is fixed on the side edge of the extrusion block, the thread directions of the surfaces of the screw rod, which are located at the positions of the adjacent moving blocks, are opposite, and the moving block is in threaded connection with the screw rod.

Preferably, the extrusion block is made of an insulating rubber material.

Compared with the related art, the molded case circuit breaker with the positioning module provided by the utility model has the following beneficial effects:

the utility model adopts the elastic buckling frame to be clamped with the inserting block to realize the fixed installation of the side block and the breaker body, the clamping connection of the buckling frame and the inserting block is directly unlocked by pressing the pressing handle with fingers, the disassembly of the breaker body and the side block is realized, the operation is convenient, in addition, the circuit is synchronously extruded and fixed by the positioning mechanism, the fixing strength of a screw at the electric connection part is shared, the electric connection is stable, and the service life of the electric connection part is prolonged.

Drawings

FIG. 1 is a schematic view of an overall structure provided by the present invention;

FIG. 2 is a second schematic view of the overall structure provided by the present invention;

FIG. 3 is a schematic view of a connection structure between a positioning mechanism and a substrate according to the present invention;

FIG. 4 is a schematic structural view of a locking mechanism provided by the present invention;

fig. 5 is a schematic structural diagram of a positioning mechanism provided by the present invention.

Reference numbers in the figures: 1. a circuit breaker body; 2. a side block; 3. a locking mechanism; 31. an adjustment groove; 32. a slot; 33. inserting a block; 34. buckling frames; 35. buckling grooves; 36. a column shaft; 37. pressing the groove; 38. pressing the handle; 39. a limiting groove; 310. a limiting column; 4. a positioning mechanism; 41. a bottom case; 42. a wire slot; 43. a drive slot; 44. extruding the block; 45. a moving block; 46. a screw; 47. twisting a handle; 5. a substrate; 6. a fixing hole; 7. a positioning column; 8. and (7) positioning the holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 5, a molded case circuit breaker with a positioning module according to an embodiment of the present invention includes: the circuit breaker comprises a circuit breaker body 1, a side block 2, a locking mechanism 3, a positioning mechanism 4 and a substrate 5, wherein the side block 2 is fixed on the side edge of the circuit breaker body 1, the locking mechanism 3 is installed in the side block 2, the substrate 5 is arranged on the back surface of the side block 2, the substrate 5 is connected with the locking mechanism 3, fixing holes 6 are symmetrically formed in the surface of the substrate 5, the positioning mechanism 4 is fixed at the bottom of the circuit breaker body 1, and the positioning mechanism 4 is fixedly connected with the substrate 5.

The base plate 5 is fixedly installed by screws penetrating through the fixing holes 6, the side block 2 and the base plate 5 are fixedly installed through the locking mechanism 3, and the connecting line of the circuit breaker body 1 is fixed by the positioning mechanism 4, so that the connection stability of the line is improved.

Referring to fig. 4, the locking mechanism 3 includes an adjusting groove 31, a slot 32, an inserting block 33, a buckle frame 34, a buckle groove 35, a stud 36, a pressing groove 37 and a pressing handle 38, the adjusting groove 31 is formed inside the side block 2, the slot 32 is formed on one side of the side block 2 close to the substrate 5, the inserting block 33 is arranged in the slot 32, the inserting block 33 is fixedly connected with the substrate 5, the stud 36 is fixed in the adjusting groove 31, the buckle frame 34 is symmetrically and elastically installed on the surface of the stud 36 through a torsion spring, the buckle groove 35 is formed on the surface of the inserting block 33, the end of the buckle frame 34 is clamped with the buckle groove 35, the pressing groove 37 communicated with the adjusting groove 31 is symmetrically formed on one side of the side block 2 away from the substrate 5, the pressing handle 38 is installed in the pressing groove 37, and the pressing handle 38 is in pressing contact with the end of the buckle frame 34.

The insertion block 33 is inserted into the insertion slot 32, the side block 2 and the substrate 5 are fixed through the clamping connection of the buckle frame 34 and the buckle slot 35, when the breaker body 1 is disassembled, a finger is inserted into the pressing slot 37 to press the pressing handle 38, the end part of the buckle frame 34 is pressed to overcome the elasticity of the torsion spring and is opened, the side block 2 and the breaker body 1 are separated from the clamping connection of the buckle slot 35, and the disassembly is completed by directly taking the side block 2 and the breaker body 1 outwards.

The limiting column 310 is fixed inside the pressing groove 37, the limiting groove 39 is formed in the surface of the pressing handle 38, and the limiting column 310 is in sliding connection with the limiting groove 39, so that the pressing handle 38 is pressed to slide stably, and the clamping caused by excessive sliding is avoided.

The edges of the pressing grooves 37 and the top of the pressing handle 38 are both provided with round corners, so that the safety of hand operation is improved.

In addition, the buckle frame 34, the shaft column 36 and the insert block 33 are all made of hard aluminum alloy materials, so that the wear resistance is good, the deformation resistance strength is high, the use is stable, and the service life is long.

Referring to fig. 4, positioning posts 7 are symmetrically fixed on the surface of the substrate 5, positioning holes 8 are symmetrically formed in the surface of the side block 2, the positioning posts 7 are inserted into the positioning holes 8, and the side block 2 and the substrate 5 are more stably connected by inserting the positioning posts 7 into the positioning holes 8.

Referring to fig. 5, the positioning mechanism 4 includes a bottom shell 41, a wire groove 42, a driving groove 43, an extruding block 44, a moving block 45, a screw rod 46 and a twisting handle 47, the bottom shell 41 is fixedly connected to the base plate 5, the wire groove 42 is equidistantly formed on one side of the bottom shell 41, the driving groove 43 is formed inside the bottom shell 41, the screw rod 46 is rotatably mounted in the driving groove 43, the twisting handle 47 is fixed at the end of the screw rod 46, the extruding blocks 44 are respectively disposed on two sides of the wire groove 42 in the driving groove 43, the moving block 45 is fixed on the side of the extruding block 44, the thread directions of the surfaces of the screw rods 46 at the positions of the adjacent moving blocks 45 are opposite, and the moving blocks 45 are in threaded connection with the screw rod 46.

The electric wire passes through the wire groove 42 to be connected with the breaker body 1, the screw rod 46 is rotated through the twist handle 47, and the moving blocks 45 at the adjacent positions are moved together through screw thread pushing, so that the extrusion blocks 44 clamp the electric wire, the fixing strength of the screws at the electric connection parts is shared, the electric connection is stable, and the service life of the electric connection parts is prolonged.

Preferably, the extrusion block 44 is made of an insulating rubber material, so as to realize extrusion protection of the line.

The plastic case circuit breaker with the positioning module provided by the utility model has the following working principle: the base plate 5 is fixedly installed by penetrating a screw through the fixing hole 6, the inserting block 33 is inserted into the inserting slot 32, the side block 2 and the base plate 5 are fixed by clamping the buckle frame 34 and the buckle slot 35, when the breaker body 1 is disassembled, a finger is inserted into the pressing slot 37 to press the pressing handle 38, the end part of the buckle frame 34 is pressed to overcome the elasticity of the torsion spring to open and break away from the clamping connection with the buckle slot 35, the side block 2 and the breaker body 1 are directly taken down outwards, the disassembly is completed, an electric wire penetrates through the wire slot 42 to be connected with the breaker body 1, the screw rod 46 is rotated by the twisting handle 47, the moving block 45 at the adjacent position is moved in a polymerization manner by pushing through threads, so that the pressing block 44 tightens the electric wire, the fixing strength of the screw at the electric connection part is shared, the electric connection is stable, and the service life of the electric connection part is prolonged.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A molded case circuit breaker with a positioning module, comprising:

a circuit breaker body (1);

the side block (2), the said side block (2) is fixed on the side of the circuit breaker body (1);

a locking mechanism (3), the locking mechanism (3) being mounted within the side block (2);

the substrate (5) is arranged on the back surface of the side block (2), the substrate (5) is connected with the locking mechanism (3), and fixing holes (6) are symmetrically formed in the surface of the substrate (5);

the positioning mechanism (4) is fixed at the bottom of the breaker body (1), and the positioning mechanism (4) is fixedly connected with the substrate (5).

2. The molded case circuit breaker with positioning module according to claim 1, wherein the locking mechanism (3) comprises an adjusting groove (31), an inserting groove (32), an inserting block (33), a buckling frame (34), a buckling groove (35), a shaft post (36), a pressing groove (37) and a pressing handle (38), the adjusting groove (31) is formed inside the side block (2), the inserting groove (32) is formed in one side, close to the substrate (5), of the side block (2), the inserting block (33) is arranged in the inserting groove (32), the inserting block (33) is fixedly connected with the substrate (5), the shaft post (36) is fixed in the adjusting groove (31), the surface of the shaft post (36) is symmetrically and elastically installed with the buckling frame (34) through a torsion spring, the buckling groove (35) is formed in the surface of the inserting block (33), the end of the buckling frame (34) is clamped with the buckling groove (35), the pressing groove (31) is symmetrically formed in one side, far away from the substrate (5), of the side block (2), and communicated with the adjusting groove (31) (37) And a pressing handle (38) is arranged in the pressing groove (37) in a sliding way, and the pressing handle (38) is in pressing contact with the end part of the buckle frame (34).

3. The molded case circuit breaker with the positioning module according to claim 2, wherein a limiting post (310) is fixed inside the pressing groove (37), a limiting groove (39) is formed on the surface of the pressing handle (38), and the limiting post (310) is slidably connected with the limiting groove (39).

4. The molded case circuit breaker with positioning module of claim 2, wherein the edge of the pressing groove (37) and the top of the pressing handle (38) are rounded.

5. The molded case circuit breaker with positioning module of claim 2, wherein the clip frame (34), the shaft post (36) and the insert block (33) are made of hard aluminum alloy material.

6. The molded case circuit breaker with the positioning module as claimed in claim 1, wherein the positioning posts (7) are symmetrically fixed on the surface of the base plate (5), the positioning holes (8) are symmetrically formed on the surface of the side block (2), and the positioning posts (7) are inserted into the positioning holes (8).

7. The molded case circuit breaker with a positioning module according to claim 1, wherein the positioning mechanism (4) comprises a bottom case (41), a wire groove (42), a driving groove (43), an extrusion block (44), a moving block (45), a screw (46) and a twisting handle (47), the bottom case (41) is fixedly connected with the base plate (5), the wire groove (42) is formed in one side of the bottom case (41) at equal intervals, the driving groove (43) is formed in the bottom case (41), the screw (46) is rotatably installed in the driving groove (43), the twisting handle (47) is fixed at the end of the screw (46), the extrusion blocks (44) are respectively arranged in the driving groove (43) at two sides of the wire groove (42), the moving block (45) is fixed at the side of the extrusion block (44), and the screw threads on the surface of the screw (46) at the position of the adjacent moving block (45) are opposite in rotation direction, and the moving block (45) is in threaded connection with the screw (46).

8. The molded case circuit breaker with positioning module of claim 7, wherein the pressing block (44) is made of an insulating rubber material.