CN219476521U

CN219476521U - More stable earthing switch transmission structure

Info

Publication number: CN219476521U
Application number: CN202320860449.XU
Authority: CN
Inventors: 陈光岩; 陈博; 刘见刚
Original assignee: Wenzhou Jingye Machinery And Electrical Appliances Co ltd
Current assignee: Wenzhou Jingye Machinery And Electrical Appliances Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-08-04
Anticipated expiration: 2033-04-17

Abstract

The utility model relates to a more stable grounding switch transmission structure which comprises a first bevel gear, a second bevel gear and a base, wherein the base is formed by connecting a flat mounting plate and a circular ring-shaped connecting ring, a mounting hole is formed in the mounting plate, a connecting shaft pointing to the center of the connecting ring is connected to the peripheral side surface of the connecting ring, a connecting cylinder matched with the inner diameter of the connecting ring is connected to the end surface of the small end of the first bevel gear, the connecting cylinder is rotationally connected to the connecting ring, and the second bevel gear is rotationally connected to the connecting shaft and meshed with the first bevel gear. The more stable grounding switch transmission structure is convenient to install, the problem of engagement precision caused by manual operation can be avoided, and the first bevel gear and the second bevel gear are enabled to be engaged and loosened in high precision, so that stability and reliability in transmission are guaranteed.

Description

More stable earthing switch transmission structure

Technical Field

The utility model relates to the technical field of grounding switches, in particular to a more stable grounding switch transmission structure.

Background

The earthing switch is arranged in the switch cabinet and used for ensuring personal safety of an maintainer during power failure maintenance, and mainly comprises an operating mechanism, a transmission structure and an actuating mechanism, wherein the actuating mechanism is transmitted with the action of the operating mechanism through the transmission function of the transmission structure, and the actuating mechanism drives the knife switch to realize the opening and closing of the earthing switch.

At present, most of transmission structures for transmitting actions of an operating mechanism are bevel gear structures, for example, patent of the utility model: in a grounding switch disclosed in a grounding switch having a linkage structure (application number: 202120423626.9), a first bevel gear and a second bevel gear which play a role in transmission are respectively connected to a connecting shaft (connected with an actuating mechanism) and a connecting cylinder (connected with an operating mechanism) and meshed with each other. However, in the transmission structure, due to human errors, the meshing precision of the first bevel gear and the second bevel gear is not high enough when the transmission structure is installed, the stability of transmission is affected, and vibration generated when the action mechanism acts is transmitted to the first bevel gear through the connecting shaft to enable the first bevel gear to generate play so as to enable the first bevel gear to be meshed with the second bevel gear to be loose, so that the stability of transmission is affected.

The present utility model has been made in view of the above problems.

Disclosure of Invention

The utility model provides a more stable grounding switch transmission structure, which solves the problems existing in the use process of the prior art.

The technical scheme of the utility model is realized as follows:

the utility model provides a more stable earthing switch transmission structure, includes first bevel gear and second bevel gear, still includes the base, the base comprises platy mounting panel and ring form go-between connection, the mounting hole has been seted up on the mounting panel, be connected with the connecting axle at directional go-between center on the go-between week side, be connected with the connecting cylinder that matches with the go-between internal diameter on the first bevel gear small-end terminal surface, the connecting cylinder rotates to be connected in the go-between, the second bevel gear rotates to be connected on the connecting axle with first bevel gear meshing.

Preferably, the connecting cylinder end extends out of the connecting ring sleeve and is provided with a ball gasket, a first ball groove is formed in the surface, facing the connecting ring, of the ball gasket, a second ball groove aligned with the first ball groove is formed in the end face of the connecting ring, a plurality of balls are arranged between the first ball groove and the second ball groove, and a lock nut tightly abutted to the ball gasket is screwed on the connecting cylinder end, so that the balls are kept between the first ball groove and the second ball groove.

Preferably, the locking plate groove and the check ring groove are sequentially formed in the circumferential side face of the connecting shaft towards the end part, a connecting cavity which is communicated with the inner hole of the second bevel gear and has a section diameter larger than that of the inner hole is formed in the second bevel gear, the connecting shaft penetrates through the inner hole of the second bevel gear to enable the locking plate groove and the check ring groove to be located in the connecting cavity, a locking plate which is abutted against the second bevel gear is arranged in the locking plate groove, a clamping sleeve which is abutted against the locking plate is sleeved on the connecting shaft, and a check ring which is abutted against the clamping sleeve is arranged in the check ring groove.

Preferably, a connecting block is arranged in the front part of the connecting cavity, the cross section appearance of the connecting block is quadrilateral matched with the cross section appearance of the front part of the connecting cavity, the connecting block is connected in the front part of the connecting cavity in an expanding manner, and a connecting hole with a hexagonal cross section is formed in the connecting block.

Preferably, the mounting plate, the connecting ring and the connecting shaft are integrally formed.

Preferably, the mounting plate is provided with reinforcing ribs.

Preferably, the mounting plate is formed with a reinforcing portion surrounding the mounting hole.

The connecting shaft and the second bevel gear are symmetrically arranged in two respectively.

In summary, the beneficial effects of the utility model are as follows:

1. the first bevel gear and the second bevel gear are meshed with each other with high precision under the action of the base, so that a worker can conveniently install the transmission structure, the problem of the meshing precision of the first bevel gear and the second bevel gear caused by the error of manual operation is avoided, and the stability of transmission is ensured;

2. through lock nut and ball gasket's effect, avoid making first bevel gear produce the drunkenness, provide the support for second bevel gear through the connecting axle to make first bevel gear and second bevel gear keep meshing can not produce not hard up, guarantee driven stability and reliability.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view taken along the direction A-A in FIG. 1;

FIG. 3 is a schematic view of a base structure according to the present utility model;

FIG. 4 is a schematic view showing the structure of a first bevel gear according to the present utility model;

FIG. 5 is a schematic view of a second bevel gear according to the present utility model;

fig. 6 is a schematic structural diagram of the connection block in the present utility model.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 6 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in the figure, a more stable earthing switch transmission structure comprises a first bevel gear 1, a second bevel gear 2 and a base 3, wherein the base 3 is formed by connecting a flat mounting plate 31 and a circular connecting ring 32, two mounting holes 311 are formed in the mounting plate 31, a connecting shaft 33 pointing to the center of the connecting ring 32 is connected to the peripheral side surface of the connecting ring 32, a connecting cylinder 11 matched with the inner diameter of the connecting ring 32 is integrally formed on the small-head end surface of the first bevel gear 1, the connecting cylinder 11 is rotationally connected in the connecting ring 32, and the second bevel gear 2 is rotationally connected on the connecting shaft 33 and meshed with the first bevel gear 1.

The connecting cylinder 11 is rotatably connected to a specific structure in the connecting ring 32: the connecting cylinder 11 passes through the connecting ring 32 to enable the end face of the first bevel gear 1 to prop against the end face of the connecting ring 32, the end part of the connecting cylinder 11 extends out of the connecting ring 32 to be sleeved with the ball gasket 12, a first ball groove 121 is formed in the face, facing the connecting ring 32, of the ball gasket 12, a second ball groove 321 aligned with the first ball groove 121 is formed in the other end face of the connecting ring 32, a plurality of balls 13 are arranged between the first ball groove 121 and the second ball groove 321, a locking nut 14 tightly propped against the ball gasket 12 is screwed on the end part of the connecting cylinder 11, the balls 13 are kept between the first ball groove 121 and the second ball groove 321, the locking nut is matched with the end face of the first bevel gear 1 to rotatably limit and keep the connecting cylinder 11 in the connecting ring 32, and the balls 13 reduce the rotating resistance of the connecting cylinder 11 in the connecting ring 32, so that the rotation of the first bevel gear 1 is more stable and smooth.

The second bevel gear 2 is rotatably connected to a specific structure on the connecting shaft 33: the connecting shaft 33 is provided with a locking plate groove 331 and a check ring groove 332 in sequence towards the end part on the peripheral side surface, the second bevel gear 2 is internally provided with a connecting cavity 22 which is communicated with the inner hole 21 and has a section diameter larger than that of the inner hole, the connecting shaft 33 passes through the inner hole 21 of the second bevel gear 2 to enable the locking plate groove 331 and the check ring groove 332 to be positioned in the connecting cavity 22, the locking plate groove 331 is internally provided with a locking plate 23 which is propped against the second bevel gear 2, the connecting shaft 33 is sleeved with a clamping sleeve 24 which is propped against the locking plate 23, the check ring groove 332 is internally provided with a check ring 25 which is propped against the clamping sleeve 24, and the check ring 25 is matched with the clamping sleeve 24 and the locking plate 23 to rotatably limit and keep the second bevel gear 2 on the connecting shaft 33.

In the above embodiment, the mounting hole 311 is used to mount and fix the base 3 in the cabinet body of the switch cabinet, the second bevel gear 2 is used to connect the operating rod in the operating mechanism of the grounding switch, the first bevel gear 1 is used to connect the transmission shaft in the operating mechanism of the grounding switch, and the action of the operating mechanism is transmitted to the operating mechanism through the transmission action of the first bevel gear 1 and the second bevel gear 2 to realize the opening and closing of the grounding switch. Because first bevel gear 1 and second bevel gear 2 connect in advance on base 3 intermesh, consequently only need fixed mounting base 3 can when the installation, the workman of being convenient for installs transmission structure, avoided because the precision problem that first bevel gear 1 and second bevel gear 2 mesh that the error of manual operation brought moreover, guarantee driven stability, moreover because lock nut 14 and ball gasket 12 can bear the overload axial force that brings when action mechanism action better and avoid first bevel gear 1 to produce the drunkenness, connecting axle 33 can provide support for second bevel gear 2, thereby make first bevel gear 1 and second bevel gear 2 keep meshing can not produce not become flexible, consequently can guarantee driven stability and reliability.

Preferably, the connecting block 26 is arranged in the front part of the connecting cavity 22, the cross section outline of the connecting block 26 is in a matched quadrilateral shape with the cross section outline of the front part of the connecting cavity 22, the connecting block 26 is connected in the front part of the connecting cavity 22 in an expanding manner, the connecting block 26 is internally provided with a connecting hole 261 with a hexagonal cross section, an operating rod of an operating mechanism is connected in the connecting hole 261, and the connecting block 26 is detachable, so that the connecting rod with different sizes can be matched by replacing the connecting block 26 with the connecting hole 261 with different apertures, and the connecting rod has better applicability.

Preferably, mounting panel 31, go-between 32 and connecting axle 33 integrated into one piece have strengthened the intensity of connection, are provided with strengthening rib 312 on the mounting panel 31, have strengthened the rigidity of mounting panel 31, are formed with the reinforcing part 313 that encircles mounting hole 311 on the mounting panel 31, have strengthened the joint strength of mounting panel 31 and the cubical switchboard cabinet body, make base 3 install in the cubical switchboard after can provide more firm support for first bevel gear 1 and second bevel gear 2 to guarantee the stability of first bevel gear 1 and second bevel gear 2 when the meshing transmission.

Preferably, the two connecting shafts 33 and the two second bevel gears 2 are symmetrically arranged, one second bevel gear 2 can be freely selected and connected according to the direction of an operating rod in the operating mechanism, and the connecting shafts can be universally used for left operation installation or right operation installation, so that the connecting shafts have better applicability.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a more stable earthing switch transmission structure, includes first bevel gear (1) and second bevel gear (2), its characterized in that: still include base (3), base (3) are connected by platy mounting panel (31) and annular go-between (32) and are constituted, mounting hole (311) have been seted up on mounting panel (31), be connected with connecting axle (33) at directional go-between (32) center on go-between (32) week side, be connected with on the tip terminal surface of first bevel gear (1) tip with go-between (32) internal diameter matching connecting cylinder (11), connecting cylinder (11) rotate and connect in go-between (32), second bevel gear (2) rotate connect on connecting axle (33) with first bevel gear (1) meshing.

2. A more stable earthing switch transmission structure in accordance with claim 1, wherein: the connecting cylinder (11) tip stretches out the go-between cover and is equipped with ball gasket (12), first ball groove (121) have been seted up on the face of ball gasket (12) orientation go-between (32), second ball groove (321) that are aligned with first ball groove (121) have been seted up on the go-between (32) terminal surface, be provided with a plurality of balls (13) between first ball groove (121) and second ball groove (321), the spiro union has lock nut (14) of tightly supporting on ball gasket (12) on the connecting cylinder (11) tip, makes ball (13) keep between first ball groove (121) and second ball groove (321).

3. A more stable earthing switch transmission structure in accordance with claim 1, wherein: the connecting shaft (33) is characterized in that a locking plate groove (331) and a check ring groove (332) are sequentially formed in the circumferential side face of the connecting shaft (33) towards the end portion, a connecting cavity (22) which is communicated with an inner hole (21) of the second bevel gear and has a section diameter larger than that of the inner hole (21) is formed in the second bevel gear (2), the connecting shaft (33) penetrates through the inner hole (21) to enable the locking plate groove (331) and the check ring groove (332) to be located in the connecting cavity (22), a locking plate (23) which is propped against the second bevel gear (2) is arranged in the locking plate groove (331), a clamping sleeve (24) which is propped against the locking plate (23) is sleeved on the connecting shaft (33), and a check ring (25) which is propped against the clamping sleeve (24) is arranged in the check ring groove (332).

4. A more stable earthing switch transmission structure in accordance with claim 3, wherein: connecting block (26) are arranged in the front portion of the connecting cavity (22), the cross section appearance of the connecting block (26) is quadrilateral matched with the cross section appearance of the front portion of the connecting cavity (22), the connecting block (26) is connected in the front portion of the connecting cavity (22) in an expanding mode, and a connecting hole (261) with a hexagonal cross section is formed in the connecting block (26).

5. A more stable earthing switch transmission structure in accordance with claim 1, wherein: the mounting plate (31), the connecting ring (32) and the connecting shaft (33) are integrally formed.

6. A more stable grounding switch transmission structure as defined in claim 5 wherein: the mounting plate (31) is provided with reinforcing ribs (312).

7. A more stable earthing switch actuator as defined in claim 5 or 6 wherein: a reinforcing part (313) surrounding the mounting hole (311) is formed on the mounting plate (31).

8. A more stable earthing switch transmission structure in accordance with claim 1, wherein: two connecting shafts (33) and two second bevel gears (2) are symmetrically arranged.