CN219303522U

CN219303522U - Contact dismounting device of dual-power transfer switch electric appliance

Info

Publication number: CN219303522U
Application number: CN202223446697.4U
Authority: CN
Inventors: 沈迪; 茌林涛
Original assignee: Shanghai Dianhui Internet Technology Co ltd
Current assignee: Shanghai Dianhui Internet Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-07-04
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a contact dismounting device of a dual-power transfer switch electrical appliance, which comprises a base, wherein two mechanisms are arranged on the base, a plurality of mechanism connecting rods are arranged on the mechanisms, a contact group is arranged on the mechanism connecting rods, a contact support is arranged on the contact group, a J-shaped slot hole is arranged on the contact support, a half shaft is arranged in the J-shaped slot hole, and a spring is arranged on the half shaft. According to the utility model, the mechanism is limited by adopting the connecting rod of the half-shaft clamping mechanism, so that the mechanism and the contact group are connected without a clamp spring and falling risk, the half shaft is separated from the concave shape of the J-shaped slot hole by stirring the half shaft, the half shaft is separated from the connecting hole by the elastic force of the spring, the front surface of the mechanism and the contact group is quickly disassembled, the disassembly is convenient, the mechanism and the contact group are effectively connected by stirring the half shaft and clamping the half shaft with the connecting hole, and the front surface installation and disassembly mechanism does not need to manually adjust the main shaft of the mechanism to a specific position.

Description

Contact dismounting device of dual-power transfer switch electric appliance

Technical Field

The utility model relates to the technical field of low-voltage switching appliances, in particular to a contact dismounting device of a dual-power transfer switching appliance.

Background

The existing contact dismounting device is divided into two types, namely, the front side of the switch is dismounted, the contact and the mechanism are connected by using a shaft pin through a connecting rod, the limiting of the shaft pin is limited by a clamp spring, when the mechanism needs to be dismounted, a fixing screw is dismounted firstly from the front side, and then the clamp spring can be dismounted after the main shaft of the mechanism is manually rotated to a specific position; in another dismounting device, the connection between the contact and the mechanism can be dismounted only after the dismounting of the arc-extinguishing chamber, and the defects in the application of two products are as follows:

1. the clamp spring is inconvenient to detach and is easy to drop;

2. when the front surface is detached and installed, the fixing screw is detached from the front surface firstly, and then the main shaft of the mechanism is manually rotated to a specific position to detach the clamp spring;

3. the connection between the contact and the mechanism can be disassembled after the arc extinguish chamber is disassembled, the arc extinguish chamber is positioned at the upper end and the lower end of the switch, and bus bars are arranged at the upper end and the lower end of the switch to pass through in certain application scenes, so that the disassembly of the arc extinguish chamber is not facilitated.

Disclosure of Invention

The utility model aims to provide a contact dismounting device of a dual-power transfer switch electrical appliance, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a contact dismounting device of dual power change-over switch electrical apparatus, includes the base, be provided with two mechanisms on the base, be provided with a plurality of mechanism connecting rod on the mechanism, be provided with the contact group on the mechanism connecting rod, be provided with the contact support on the contact group, be provided with J type slotted hole on the contact support, be provided with the semi-axis in the J type slotted hole, be provided with the spring on the semi-axis.

Preferably, a connecting hole is formed in one end, close to the contact group, of the mechanism connecting rod, a hinge hole is formed in one end, far away from the connecting hole, of the mechanism connecting rod, and the mechanism is hinged with the mechanism connecting rod.

Preferably, a rotating groove is arranged on the outer side of the contact support upper mechanism connecting rod, a through hole is arranged between the rotating groove and the J-shaped slotted hole, the axial leads of the spring, the connecting hole and the through hole are coaxial, the spring is positioned in the through hole, and one end of the J-shaped slotted hole is attached to the inner wall of one end of the through hole.

Preferably, the half shaft is coaxial with the through hole, the tail end of the half shaft is positioned in the connecting hole, and the half shaft is slidably arranged in the J-shaped slotted hole.

Preferably, the half shaft comprises a half shaft small end, a half shaft large end and a half shaft feature, wherein the half shaft small end is located on the inner side of the spring and is in sliding connection with the spring, the half shaft large end is installed at one end, far away from the mechanism connecting rod, of the half shaft small end, and the half shaft feature is installed on the half shaft small end.

Preferably, the small end of the half shaft passes through the spring and is positioned at the inner side of the connecting hole, the large end of the half shaft is connected with one end of the spring, and the tail end of the half shaft characteristic passes through the J-shaped slotted hole to reach the outer side of the contact support.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the cooperation of the mechanism, the mechanism connecting rod, the spring and the half shaft, the mechanism is limited by adopting the half shaft clamping mechanism connecting rod, so that the connection between the mechanism and the contact group is free of a clamp spring and free of falling risk;

the utility model also makes the half shaft separate from the concave type groove hole by poking the half shaft, the counterforce of the spring can automatically make the half shaft separate from the connecting hole, so that the front of the mechanism and the contact group can be quickly disassembled, and the disassembly is convenient;

according to the utility model, the half shaft characteristic is stirred to enable the half shaft characteristic to pass through the connecting hole on the mechanism connecting rod along the axle center of the upper conducting hole supported by the contact, the half shaft characteristic falls into the concave shape of the J-shaped slotted hole along the J-shaped slotted hole, the half shaft is clamped by the elasticity of the spring, so that the mechanism is effectively connected with the contact group, and the front mounting and dismounting mechanism does not need to manually adjust the main shaft of the mechanism to a specific position.

Drawings

FIG. 1 is a perspective view of a first view of the present utility model;

FIG. 2 is a schematic view of a second perspective view of the present utility model;

FIG. 3 is a perspective view of a third perspective view of the present utility model;

FIG. 4 is a schematic diagram of the explosive structure supported by the contacts of the present utility model;

FIG. 5 is a schematic perspective view of the mechanism of the present utility model in a separated state from the contact set;

FIG. 6 is a schematic perspective view of the contact support in the separated state of the mechanism and contact assembly of the present utility model;

FIG. 7 is a schematic view of a three-dimensional structure of the mechanism of the present utility model in a connected state with a contact set;

FIG. 8 is a schematic perspective view of the contact support of the mechanism of the present utility model in a connected state with the contact set;

FIG. 9 is a perspective view of a fourth perspective view of the present utility model;

in the figure: 1. a base; 2. a mechanism; 3. a mechanism link; 301. a connection hole; 302. a hinge hole; 4. a contact group; 401. a J-shaped slot; 402. a rotating groove; 403. a via hole; 41. a contact support; 411. a spring; 412. a half shaft; 4121. the small end of the half shaft; 4122. the big end of the half shaft; 4123. half shaft characteristics.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

Referring to fig. 1-9, the present utility model provides a technical solution: the utility model provides a contact dismounting device of dual supply change-over switch electrical apparatus, including base 1, install two mechanisms 2 on the base 1, mechanism 2 is the main drive subassembly of switch, mechanism 2 drives the motion of contact through the rotation of main shaft and realizes the switching of the on-off state of switch, install a plurality of mechanism connecting rods 3 on the mechanism 2, install contact group 4 on the mechanism connecting rod 3, install contact support 41 on the contact group 4, the J type slotted hole 401 has been seted up on the contact support 41, install semi-axis 412 in the J type slotted hole 401, install spring 411 on the semi-axis 412, when semi-axis 412 is in the concave type of J type slotted hole 401, utilize spring 411's elasticity to carry out spacing to semi-axis 412, when semi-axis 412 breaks away from the concave type of J type slotted hole 401, utilize spring 411's elasticity to promote semi-axis 412 for semi-axis 412 separates with mechanism connecting rod 3, realize the quick separation of mechanism 2 and contact group 4;

a connecting hole 301 is formed in one end, close to the contact group 4, of the mechanism connecting rod 3, a hinge hole 302 is formed in one end, far away from the connecting hole 301, of the mechanism connecting rod 3, the mechanism 2 is hinged with the mechanism connecting rod 3, and a hinge shaft for hinged connection of the mechanism 2 and the mechanism connecting rod 3 is located in the hinge hole 302; a rotating groove 402 is formed in the outer side of the mechanism connecting rod 3 on the contact support 41, a through hole 403 is formed between the rotating groove 402 and the J-shaped slotted hole 401, the axial leads of the spring 411, the connecting hole 301 and the through hole 403 are coaxial, the spring 411 is positioned in the through hole 403, and one end of the J-shaped slotted hole 401 is attached to the inner wall of one end of the through hole 403; the half shaft 412 is coaxial with the through hole 403, the tail end of the half shaft 412 is positioned in the connecting hole 301, and the half shaft 412 is slidably arranged in the J-shaped slotted hole 401; the axle shaft 412 includes an axle shaft small end 4121, an axle shaft large end 4122 and an axle shaft feature 4123, the axle shaft small end 4121 is located inside the spring 411 and is slidably connected with the spring 411, the axle shaft large end 4122 is welded on the end of the axle shaft small end 4121 away from the mechanism link 3, and the axle shaft feature 4123 is welded on 4124; the small axle end 4121 passes through the spring 411 and is located inside the connection hole 301, the large axle end 4122 is connected to one end of the spring 411, and the end of the axle feature 4123 passes through the J-slot 401 to the outside of the contact support 41.

Working principle: when the utility model is used, the half shaft characteristic 4123 is stirred to enable the half shaft characteristic 4123 to pass through the connecting hole 301 on the mechanism connecting rod 3 along the axle center of the through hole 403 on the contact support 41, the half shaft characteristic 4123 falls into the concave shape of the J-shaped slotted hole 401 along the J-shaped slotted hole 401, the half shaft 412 is clamped by the elastic force of the spring 411 to effectively connect the mechanism 2 with the contact group 4, otherwise, the half shaft characteristic 4123 is stirred to enable the half shaft characteristic 4123 to be separated from the concave shape of the J-shaped slotted hole 401, the elastic force of the spring 411 can automatically enable the half shaft 412 to be separated from the connecting hole 301 on the mechanism connecting rod 3, and the front of the mechanism 2 and the contact group 4 can be quickly disassembled.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a contact dismounting device of dual power change-over switch electrical apparatus, includes base (1), its characterized in that: the novel contact type electric power tool is characterized in that two mechanisms (2) are arranged on the base (1), a plurality of mechanism connecting rods (3) are arranged on the mechanisms (2), a contact group (4) is arranged on the mechanism connecting rods (3), a contact support (41) is arranged on the contact group (4), a J-shaped slot hole (401) is formed in the contact support (41), a half shaft (412) is arranged in the J-shaped slot hole (401), and a spring (411) is arranged on the half shaft (412).

2. The contact removing apparatus of a dual power switching device according to claim 1, wherein: one end of the mechanism connecting rod (3) close to the contact group (4) is provided with a connecting hole (301), one end of the mechanism connecting rod (3) far away from the connecting hole (301) is provided with a hinge hole (302), and the mechanism (2) is hinged with the mechanism connecting rod (3).

3. The contact removing apparatus of a dual power switching device according to claim 2, wherein: the contact support is characterized in that a rotating groove (402) is formed in the outer side of the mechanism connecting rod (3) on the contact support (41), a through hole (403) is formed between the rotating groove (402) and the J-shaped groove hole (401), the axial leads of the spring (411), the connecting hole (301) and the through hole (403) are coaxial, the spring (411) is located in the through hole (403), and one end of the J-shaped groove hole (401) is attached to the inner wall of one end of the through hole (403).

4. A contact removing apparatus of a dual power switching device according to claim 3, wherein: the half shaft (412) is coaxial with the through hole (403), the tail end of the half shaft (412) is positioned in the connecting hole (301), and the half shaft (412) is slidably arranged in the J-shaped slot hole (401).

5. The contact removing apparatus of a dual power switching device according to claim 4, wherein: the half shaft (412) comprises a small half shaft end (4121), a large half shaft end (4122) and a half shaft feature (4123), the small half shaft end (4121) is located on the inner side of the spring (411) and is in sliding connection with the spring (411), the large half shaft end (4122) is mounted on one end, far away from the mechanism connecting rod (3), of the small half shaft end (4121), and the half shaft feature (4123) is mounted on the half shaft feature (4124).

6. The contact removing apparatus of a dual power switching device according to claim 5, wherein: the small half shaft end (4121) passes through the spring (411) and is positioned on the inner side of the connecting hole (301), the large half shaft end (4122) is connected with one end of the spring (411), and the tail end of the half shaft feature (4123) passes through the J-shaped slot hole (401) to the outer side of the contact support (41).