CN210805651U

CN210805651U - Moving contact mechanism for accessories of Internet-of-things circuit breaker

Info

Publication number: CN210805651U
Application number: CN201922101335.3U
Authority: CN
Inventors: 范杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-19
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a thing networking circuit breaker accessory moving contact mechanism, which comprises a bracket, the inboard lower part fixedly connected with moving contact connecting rod of support, and moving contact connecting rod one side front end welded connection have the moving contact, the inboard central position fixedly connected with dysmorphism board of support, and surface middle section fixedly connected with reset spring in the dysmorphism board, a set of fixture block of lower extreme middle part fixedly connected with on the reset spring, and the inside draw-in groove joint that sets up in fixture block and the dysmorphism board upper and lower end middle section is connected. The utility model discloses a set up fixture block, draw-in groove, reset spring, moving contact connecting rod and moving contact structure, have and be convenient for promote moving contact arc extinguishing, connection stability, breaking capacity, be convenient for carry on reset spring structural connection's advantage.

Description

Moving contact mechanism for accessories of Internet-of-things circuit breaker

Technical Field

The utility model relates to an electric power thing networking circuit breaker specifically is a thing networking circuit breaker accessory moving contact mechanism with relevant accessory technical field.

Background

The breaker of the electric power thing networking circuit breaker is an electrical apparatus which not only has the function of a manual switch, but also can automatically carry out overload and short-circuit protection, can be used for distributing electric energy, does not frequently start an asynchronous motor, protects a power line, a motor and the like, can automatically cut off a circuit when serious overload or short circuit, undervoltage and other faults occur, does not generally need to change parts after breaking fault current, a breaker moving contact mechanism is the most important part for realizing the manual operation, the automatic opening and closing of the motor and a tripping mechanism, and a contact is connected and touched to play a decisive role in the opening and closing of a switch. Therefore, there is a need for improvement to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a thing networking circuit breaker accessory moving contact mechanism to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thing networking circuit breaker accessory moving contact mechanism, includes the support, the inboard lower part fixedly connected with moving contact connecting rod of support, and moving contact connecting rod one side front end welded connection has the moving contact, the inboard central point fixedly connected with dysmorphism board of support, and surface middle section fixedly connected with reset spring in the dysmorphism board, a set of fixture block of lower extreme middle part fixedly connected with on the reset spring, and the inside draw-in groove joint that sets up in fixture block and the dysmorphism board upper and lower end middle section is connected.

Preferably, the middle parts of the upper end and the lower end of the support are respectively provided with a first through hole and a second through hole, and the inner parts of the first through hole and the second through hole are respectively connected with a first loop bar and a second loop bar in a sleeved mode.

Preferably, one end of the reset spring is in contact connection with a limiting groove arranged on one side inside the breaker shell, and the breaker shell is arranged outside the moving contact connecting rod.

Preferably, the clamping groove is formed in a cavity formed in the center of the upper end and the lower end of the special-shaped plate, and one end of the clamping block is in contact connection with a telescopic spring arranged in the clamping groove.

Preferably, the moving contact connecting rod is connected with a mounting plate fixedly connected with the middle section of the lower part of the inner side of the support through a support block arranged in the middle of the upper end of the moving contact connecting rod, and the support block extends out of the inside of the mounting plate through a through hole in the middle of the mounting plate in a penetrating connection mode.

Preferably, a group of screw holes are formed in the center of the upper portions of the two sides of the supporting block, and the screw holes are in threaded connection with the two ends of the connecting rod arranged inside.

(III) advantageous effects

The utility model provides a thing networking circuit breaker accessory moving contact mechanism possesses following beneficial effect:

(1) the utility model discloses a set up reset spring, moving contact connecting rod and moving contact, it puts forward moving contact arc extinguishing and breaking performance to have, improve the effect of contact connection structure stability, it connects structurally at fire-retardant connecting rod to have solved original contact, with the copper connection copper, the copper structure is complicated, and self arc extinguishing performance is relatively poor, and the breaking capacity between the contact problem that is more weak, the moving contact connecting rod adopts the steel sheet material, strengthen its self intensity, help improving moving contact connection structure's stability, and moving contact connecting rod adoption be Q235B material steel sheet and red copper stamping forming back spot welding form, big with the explosion chamber contact surface, promote the arc extinguishing effect, and simultaneously, reset spring effect plays the reset action after the contact separation, reinforcing breaking capacity, the use is made things convenient for.

(2) The utility model discloses a set up fixture block and draw-in groove, the effect of being convenient for carry out structural connection to reset spring has been had, the inconvenient problem of connecting to reset spring structure has been solved, at the inboard central position fixedly connected with dysmorphism board of support, a set of cavity has been seted up at lower extreme middle part on dysmorphism board, and be provided with a set of draw-in groove inside the cavity, the fixture block that sets up through reset spring upper and lower extreme middle part extends into the cavity inside and carries out the joint with the draw-in groove and be connected, be convenient for carry out structural connection to reset spring, and under the effect of expanding spring self elasticity power, the side is contradicted to the fixture block, carry out further fixed to the reset spring structure.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic side view of the inner side of the bracket of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 2;

fig. 4 is an enlarged schematic view of the point B in fig. 2 according to the present invention.

The reference numbers in the figures are: 1. a first loop bar; 2. a support; 3. a second loop bar; 4. a moving contact connecting rod; 5. a moving contact; 6. a first port; 7. a screw hole; 8. a second port; 9. a return spring; 10. a limiting groove; 11. a circuit breaker housing; 12. a shaped plate; 13. a clamping block; 14. a tension spring; 15. a card slot; 16. a cavity; 17. a connecting rod; 18. supporting a block; 19. perforating; 20. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

As shown in fig. 1-4, the utility model provides a technical solution: a movable contact mechanism of an Internet of things breaker accessory comprises a support 2, a movable contact connecting rod 4 is fixedly connected to the lower portion of the inner side of the support 2, a movable contact 5 is welded to the front end of one side of the movable contact connecting rod 4, the movable contact connecting rod 4 is structurally fixed by the support 2, the movable contact 5 is structurally connected by the movable contact connecting rod 4, the movable contact connecting rod 4 is formed by punching and spot welding a steel plate made of Q235B material and red copper, the contact surface with an arc extinguish chamber is large, the arc extinguishing effect is improved, a special-shaped plate 12 is fixedly connected to the central position of the inner side of the support 2, a reset spring 9 is fixedly connected to the middle section of the surface in the special-shaped plate 12, the special-shaped plate 12 is structurally fixed by the support 2, the reset spring 9 is structurally connected by the special-shaped plate 12, a group of clamping blocks 13, and the fixture block 13 is connected with the clamping groove 15 arranged in the middle section of the upper end and the lower end of the special-shaped plate 12 in a clamping manner, the reset spring 9 is structurally connected with the center of the front surface of the special-shaped plate 12 through the clamping connection between the fixture block 13 and the clamping groove 15, and meanwhile, the reset spring 9 is conveniently detached from the special-shaped plate 12.

Further, first opening 6 and second opening 8 have been seted up respectively to support 2 lower extreme middle part, and first opening 6, the inside first loop bar 1 and the second loop bar 3 of cup jointing respectively of second opening 8, carry out the connection of structure to first loop bar 1, second loop bar 3 through the first opening 6 that set up, second opening 8, and then carry out the structure fixed inside circuit breaker housing 11 to support 2.

Further, the limiting groove 10 that reset spring 9 one end and the inside one side of circuit breaker casing 11 set up, the contact is connected, and circuit breaker casing 11 sets up in moving contact connecting rod 4 outside, explains the setting position of circuit breaker casing 11 to the limiting groove 10 that once sets up through circuit breaker casing 11 carries out bearing of structure to reset spring 9 one end, realizes reset spring 9 self elastic force effect.

Further, draw-in groove 15 sets up inside cavity 16 that the upper and lower end central point of dysmorphism board 12 set up, and fixture block 13 one end is connected with the inside expanding spring 14 contact that sets up of draw-in groove 15, explains the setting position of cavity 16 to carry out the setting of structure by the cavity 16 that sets up to draw-in groove 15, and be connected fixture block 13 one end and expanding spring 14, contradict fixture block 13 on the one hand, carry out the further fixed to reset spring 9 structure, on the other hand is convenient for dismantle reset spring 9.

Further, moving contact connecting rod 4 is connected with mounting panel 20 of support 2 inboard lower part middle section fixed connection through the piece 18 that props that the upper end middle part set up, and prop up the piece 18 and extend inside mounting panel 20 through the perforation 19 of mounting panel 20 middle part through connection, carry out the fixed of structure to mounting panel 20 through support 2, and through being connected between piece 18 and the mounting panel 20, carry out moving contact connecting rod 4 and the structural connection between support 2, and the perforation 19 by setting up is to propping up piece 18 and run through the inside setting of mounting panel 20.

Further, a group of screw holes 7 are formed in the central positions of the upper portions of the two sides of the support block 18, the screw holes 7 are in threaded connection with the two ends of the connecting rod 17 arranged inside, threaded connection between the two ends of the connecting rod 17 and the screw holes 7 is formed, on one hand, the support block 18 is structurally connected with the mounting plate 20, on the other hand, the moving contact connecting rod 4 is structurally connected with the support 2, on the other hand, the support block 18 and the mounting plate 20 are conveniently detached, and detachment between the support 2 and the moving contact connecting rod 4 is achieved.

The working principle is as follows: when the special-shaped plate is used, the clamping block 13 arranged at the upper part of one end of the return spring 9 extends into the cavity 16 arranged at the middle part of the upper end of the special-shaped plate 12 and is connected with the clamping groove 15 arranged in the cavity 16 in a clamping manner, meanwhile, inward force is applied to the clamping block 13, the expansion spring 14 is compressed to drive the clamping block 13 to enter the clamping groove 15, so that the clamping block 13 at the lower part of one end of the return spring 9 extends into the cavity 16 arranged at the middle part of the lower end of the special-shaped plate 12, at the moment, one end of the movable contact connecting rod 4 is placed at the lower part of the inner side of the bracket 2, the support block 18 arranged at the middle part of the upper part of one end of the movable contact connecting rod 4 penetrates through the mounting plate 20 from the through hole 19 arranged at the middle part of the mounting plate 20, at the moment, the screw holes, The second port 8 is connected with the first loop bar 1 and the second loop bar 3 which are arranged at the corresponding positions in the breaker shell 11 in a sleeved mode, and the moving contact 5 starts to be used after being installed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an thing networking circuit breaker accessory moving contact mechanism, includes support (2), its characterized in that: the movable contact type automatic lifting device is characterized in that a movable contact connecting rod (4) is fixedly connected to the lower portion of the inner side of the support (2), a movable contact (5) is welded to the front end of one side of the movable contact connecting rod (4), a special-shaped plate (12) is fixedly connected to the central position of the inner side of the support (2), a reset spring (9) is fixedly connected to the middle portion of the surface of the special-shaped plate (12), a set of clamping blocks (13) are fixedly connected to the middle portion of the upper end and the lower end of the reset spring (9), and the clamping blocks (13) are connected with clamping grooves.

2. The internet of things breaker accessory moving contact mechanism as claimed in claim 1, wherein: first opening (6) and second opening (8) have been seted up respectively to end middle part about support (2), and first opening (6), second opening (8) inside cup joints respectively and is connected with first loop bar (1) and second loop bar (3).

3. The internet of things breaker accessory moving contact mechanism as claimed in claim 1, wherein: one end of the reset spring (9) is in contact connection with a limiting groove (10) formed in one side inside the breaker shell (11), and the breaker shell (11) is arranged outside the moving contact connecting rod (4).

4. The internet of things breaker accessory moving contact mechanism as claimed in claim 1, wherein: the clamping groove (15) is arranged in a cavity (16) formed in the center of the upper end and the lower end of the special-shaped plate (12), and one end of the clamping block (13) is in contact connection with a telescopic spring (14) arranged in the clamping groove (15).

5. The internet of things breaker accessory moving contact mechanism as claimed in claim 1, wherein: the moving contact connecting rod (4) is connected with a mounting plate (20) fixedly connected with the middle section of the lower part of the inner side of the bracket (2) through a support block (18) arranged in the middle of the upper end, and the support block (18) extends out of the mounting plate (20) through a through hole (19) in the middle of the mounting plate (20) in a penetrating connection mode.

6. The internet of things breaker accessory moving contact mechanism as claimed in claim 5, wherein: a group of screw holes (7) are formed in the center of the upper portions of the two sides of the supporting block (18), and the screw holes (7) are in threaded connection with the two ends of a connecting rod (17) arranged inside.