CN213879055U

CN213879055U - Universal circuit breaker drawer seat transmission device

Info

Publication number: CN213879055U
Application number: CN202022770201.3U
Authority: CN
Inventors: 黄忠尧; 熊丽; 张俊
Original assignee: Delixi Electric Co Ltd
Current assignee: Delixi Electric Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-03
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to an omnipotent circuit breaker drawer seat transmission, including drawer seat curb plate, drawer seat bottom plate, drive screw, rack slide, pivot, first sector gear, second sector gear and slide mechanism, slide mechanism includes full gear, horizontal rack and slide, is equipped with horizontal track on the drawer seat curb plate inner wall, and the slide is fixed in circuit breaker body both sides and on sliding connection horizontal track, and horizontal rack is fixed on the slide, and full gear revolve fixes on drawer seat curb plate inner wall and upper end meshing horizontal rack, lower extreme meshing second sector gear. Compared with the prior art, the utility model discloses a steady transmission of circuit breaker body, transmission speed is even moreover, can reduce transmission resistance effectively, reduce the operating force to and alleviate effort intensity.

Description

Universal circuit breaker drawer seat transmission device

Technical Field

The utility model belongs to the technical field of the circuit breaker and specifically relates to an universal circuit breaker drawer seat transmission.

Background

When the body of the universal circuit breaker is conveyed to the position linked with the contact along the guide rail in the drawer seat, the conductive bus bar on the circuit breaker body needs to be inserted into the contact of the drawer seat, and at the moment, the operating mechanism of the circuit breaker can perform opening and closing operations. The utility model discloses a reduce device that universal circuit breaker drawer seat rocked moment is disclosed like chinese utility model publication No. CN203086038U, its theory of operation is that epaxial special-shaped gear drives the grooved pulley of taking the tooth and rotates to drive the slide back-and-forth movement through the cam orbit groove on the toothed groove wheel, thereby realize the function of shaking into and out of body. However, this structure has the following problems: the cam track groove realizes the pulling of the sliding plate by changing the rotating radius of the contact point, so that the cam auxiliary transmission cannot advance at a constant speed as the transmission of a superior gear, the cam auxiliary transmission is easy to jump in the rotating process of the cam groove, and the transmission part is not stable; the resistance of the sliding plate in front and back running is larger and more laborious compared with the transmission of the gear pair due to the existence of the cam track groove.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an omnipotent circuit breaker drawer seat transmission in order to overcome the defect that above-mentioned prior art exists, effectively reduce transmission resistance, make the removal of circuit breaker body steady at the uniform velocity.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides an omnipotent circuit breaker drawer seat transmission, includes drawer seat curb plate, drawer seat bottom plate, rack slide, pivot, first sector gear, second sector gear and slide mechanism, rack slide slidable mounting is on drawer seat bottom plate, the pivot rotates and is fixed in on the drawer seat bottom plate, second sector gear installs in the both ends of pivot and connects a slide mechanism respectively, first sector gear installs the mating holes meshing on the central authorities of pivot and the rack slide, drawer seat curb plate installation is fixed in the both sides of drawer seat bottom plate, slide mechanism include full gear, horizontal rack and slide, be equipped with horizontal track on the drawer seat curb plate inner wall, the slide fix in circuit breaker body both sides and sliding connection horizontal track, horizontal rack fix on the slide, full gear rotates to be fixed on drawer seat curb plate inner wall and upper end meshing horizontal rack, The lower end is engaged with the second sector gear.

Furthermore, the matching hole on the rack sliding plate is an inverted trapezoidal hole.

Further, the horizontal track comprises an upper rail bar and a lower rail bar which are horizontally arranged, and the sliding plate is arranged between the upper rail bar and the lower rail bar.

Furthermore, the sliding plate is provided with a roller for connecting the upper rail bar and the lower rail bar.

Furthermore, the two sides of the circuit breaker body are provided with lugs, the sliding plate is provided with a clamping groove, and the circuit breaker body and the sliding plate are connected through the lugs embedded into the clamping groove.

Further, the inboard of slide is equipped with the reinforcing plate, and reinforcing plate laminating slide and the top is higher than the bottom formation embedding strip of draw-in groove, and this embedding strip is used for the adaptation hangers.

Furthermore, a screw rod mechanism is arranged on the rack sliding plate, and a plug socket is arranged at the end part of the screw rod and is used for connecting an external handle.

Further, the radius ratio of the second sector gear to the full gear is 40/27-62/27.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a setting has the slide mechanism of full gear and horizontal rack, has realized the steady transmission of circuit breaker body, and transmission speed is even moreover, can effectual reduction transmission resistance, reduce the operating force to and alleviate effort intensity.

2. The cooperation hole on the rack slide is the hole of falling trapezoidal, can form the gear pair with the epaxial first sector gear of commentaries on classics, compares traditional perpendicular square hole, and the hole of falling trapezoidal has bigger contact surface, is difficult to jump the tooth, can bear bigger load, and the transmission is more steady, has promoted life simultaneously.

3. The utility model discloses a slide is connected through the hangers to the circuit breaker body, and convenient to detach and installation are convenient for carry out disassembling, maintaining and maintaining to slide mechanism simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the partially developed structure of the present invention.

Fig. 3 is a partial sectional view of the drawer base.

Reference numerals: 1. drawer seat side plate, 11, horizontal rail. 2. Drawer seat bottom plate, 3, screw mechanism, 4, rack slide, 41, mating holes, 5, pivot, 6, first sector gear, 7, second sector gear, 8, slide mechanism, 81, full gear, 82, horizontal rack, 83, slide, 831, draw-in groove, 832, reinforcing plate, 84, gyro wheel, 9, circuit breaker body, 91, hangers.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1 to 3, the embodiment provides a universal circuit breaker drawer seat transmission device, which includes a drawer seat side plate 1, a drawer seat bottom plate 2, a rack sliding plate 4, a rotating shaft 5, a first sector gear 6, a second sector gear 7 and a sliding mechanism 8. The side plates 1 of the drawer seat are fixedly arranged at two sides of the bottom plate 2 of the drawer seat. The rack sliding plate 4 is slidably mounted on the bottom plate 2 of the drawer seat, and the rotating shaft 5 is rotatably fixed on the bottom plate 2 of the drawer seat. The two second sector gears 7 are respectively installed at two ends of the rotating shaft 5 and are respectively connected with a sliding mechanism 8. Two first sector gears 6 are mounted in the center of the rotating shaft 5 and are meshed with the matching holes 41 on the rack sliding plate 4. The rack sliding plate 4 is also provided with a screw rod mechanism 3, and the end part of the screw rod is provided with a socket for connecting an external handle.

The cooperation hole 41 on the rack slide 4 is the hole of falling trapezoidal, can form the gear pair with the first sector gear 6 in the pivot 5, compares traditional perpendicular square hole, and the hole of falling trapezoidal has bigger contact surface, is difficult to jump the tooth, can bear bigger load, and the transmission is more steady, has promoted life simultaneously.

The slide mechanism 8 includes an all-gear 81, a horizontal rack 82, and a slide plate 83. Be equipped with horizontal track 11 on the inner wall of drawer seat curb plate 1, slide 83 fixes at circuit breaker body 9 both sides and sliding connection horizontal track 11. The horizontal rack 82 is fixed on the sliding plate 83, the full gear 81 is fixed on the inner wall of the drawer base side plate 1 in a rotating mode, the upper end of the full gear is meshed with the horizontal rack 82, and the lower end of the full gear is meshed with the second sector gear 7. The horizontal rail 11 includes horizontally disposed upper and lower rails, and the slider 83 is disposed between the upper and lower rails. The sliding plate 83 is provided with a roller 84 for connecting the upper rail bar and the lower rail bar, so as to improve the stability of sliding.

The two sides of the circuit breaker body 9 are provided with lugs 91, the sliding plate 83 is provided with a clamping groove 831, and the circuit breaker body 9 and the sliding plate 83 are embedded into the clamping groove 831 through the lugs 91 and connected. Specifically, the inner side of the sliding plate 83 is provided with a reinforcing plate 832, and the top end of the reinforcing plate 832 is higher than the bottom of the clamping groove 831 to form an embedded strip for adapting to the hanging lug 91 for improving the strength and stability of connection.

In the embodiment, the sliding mechanism 8 with the all-gear 81 and the horizontal rack 82 realizes stable transmission of the circuit breaker body 9, has uniform transmission speed, can effectively reduce transmission resistance, and reduces operating force and acting force intensity. The ratio of the radii of the second sector gear 7 and the full gear 81 is generally 40/27-62/27, preferably 52/27, so that the conventional effect is optimized.

The working principle of the embodiment is as follows: the external handle screw rocking rod mechanism 3 rotates to drive the rack sliding plate 4 to slide back and forth on the bottom plate 2 of the drawer seat; the rack sliding plate 4 slides to drive the rotating shaft 5 to rotate through the first sector gear 6, and the rotating shaft 5 drives the second sector gear 7 to rotate; the second sector gear 7 drives the horizontal rack 82 to move back and forth through the full gear 81, thereby realizing the back and forth movement of the sliding plate 83 and the breaker body 9 connected with the sliding plate 83 along the horizontal rail 11.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a universal circuit breaker drawer seat transmission, includes drawer seat curb plate (1), drawer seat bottom plate (2), rack slide (4), pivot (5), first sector gear (6), second sector gear (7) and slide mechanism (8), rack slide (4) slidable mounting is on drawer seat bottom plate (2), pivot (5) are rotated and are fixed in on drawer seat bottom plate (2), second sector gear (7) are installed in the both ends of pivot (5) and are connected a slide mechanism (8) respectively, first sector gear (6) are installed in mating holes (41) meshing on the central authorities of pivot (5) and rack slide (4), drawer seat curb plate (1) installation is fixed in the both sides of drawer seat bottom plate (2), a serial communication port, slide mechanism (8) including full gear (81), Horizontal rack (82) and slide (83), be equipped with horizontal track (11) on drawer seat curb plate (1) inner wall, slide (83) fix circuit breaker body (9) both sides and sliding connection horizontal track (11), horizontal rack (82) fix on slide (83), full gear (81) rotate to be fixed on drawer seat curb plate (1) inner wall and upper end meshing horizontal rack (82), lower extreme meshing second sector gear (7).

2. The conventional circuit breaker drawer base transmission device as claimed in claim 1, wherein the mating hole (41) of the rack sliding plate (4) is an inverted trapezoidal hole.

3. The conventional circuit breaker drawer seat transmission as claimed in claim 1, wherein the horizontal rail (11) comprises upper and lower rails horizontally arranged, and the sliding plate (83) is arranged between the upper and lower rails.

4. The conventional circuit breaker drawer base transmission as claimed in claim 3, wherein the sliding plate (83) is provided with rollers (84) for connecting the upper rail and the lower rail.

5. The conventional circuit breaker drawer seat transmission device as claimed in claim 1, wherein the circuit breaker body (9) is provided with hanging lugs (91) at two sides thereof, the sliding plate (83) is provided with a clamping groove (831), and the circuit breaker body (9) and the sliding plate (83) are connected by the hanging lugs (91) embedded into the clamping groove (831).

6. The conventional circuit breaker drawer base transmission device as claimed in claim 5, wherein the inner side of the sliding plate (83) is provided with a reinforcing plate (832), the reinforcing plate (832) is attached to the sliding plate (83) and the top end of the reinforcing plate is higher than the bottom of the slot (831) to form an embedded bar, and the embedded bar is used for being matched with the hanging lug (91).

7. The conventional circuit breaker drawer base transmission device as claimed in claim 1, wherein the rack slide plate (4) is provided with a screw mechanism (3), and the end of the screw is provided with a socket for connecting an external handle.

8. The conventional circuit breaker drawer base transmission as claimed in claim 1, wherein the ratio of the radii of the second sector gear (7) and the full gear (81) is 40/27-62/27.