CN214624914U - Connecting device of auxiliary contact - Google Patents
Connecting device of auxiliary contact Download PDFInfo
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- CN214624914U CN214624914U CN202120603540.4U CN202120603540U CN214624914U CN 214624914 U CN214624914 U CN 214624914U CN 202120603540 U CN202120603540 U CN 202120603540U CN 214624914 U CN214624914 U CN 214624914U
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- contact
- base
- auxiliary contact
- auxiliary
- connecting rod
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Abstract
The utility model relates to an auxiliary contact technical field, in particular to connecting device of auxiliary contact. The contact device comprises a base, a contact support and an auxiliary contact, wherein the contact support is movably arranged in the base along a first direction, and the auxiliary contact is arranged on one side surface of the base; the base is pivoted with a connecting rod; the connecting rod comprises a connecting end and a contact end, the connecting end is connected with the top of the contact support, and the contact end extends to the position above the auxiliary contact. The connecting rod is driven to rotate around the pivot point through the contact support, so that the contact end is connected with and disconnected from the auxiliary contact, the feasibility of adding the auxiliary contact connecting device on the non-sealed new energy direct current contactor is achieved, the original design of a main contact of the contactor is not affected, and the novel direct current contactor has the advantages of being simple and practical in structure, reliable in performance, convenient to install, low in cost and the like.
Description
Technical Field
The utility model relates to an auxiliary contact technical field, in particular to connecting device of auxiliary contact.
Background
The contactor belongs to a large-scale control electrical appliance and is mainly used for frequently connecting or disconnecting an AC main circuit and a DC main circuit and a large-capacity control circuit. The existing new energy direct current contactor product comprises a sealed type and a non-sealed type, and for the sealed type new energy direct current contactor, an auxiliary contact is added to the contactor in a mode that an auxiliary contact mounting position is added to a main contact support, and the auxiliary contact and the main contact are designed together to achieve connection and disconnection. However, for the non-sealed type new energy dc contactor, there is no design of auxiliary contact for this type of product in the market at present, and therefore, it is necessary to design a connection device of the auxiliary contact for the non-sealed type new energy dc contactor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a connecting device of an auxiliary contact, which comprises a base, a contact support arranged in the base along a first direction and movable in the base, and an auxiliary contact arranged on one side surface of the base; the base is pivoted with a connecting rod; the connecting rod comprises a connecting end and a contact end, the connecting end is connected with the top of the contact support, and the contact end extends to the position above the auxiliary contact; the contact support drives the connecting rod to rotate around a pivot point, so that the contact end and the auxiliary contact are connected and disconnected.
Preferably, the contact end of the link is formed with a contact surface curved toward the auxiliary contact.
Preferably, the top surface of the base is provided with a groove along the second direction, and the connecting rod is arranged in the groove and is pivoted with the base.
Preferably, the connecting rod is provided with a connecting shaft near the contact end, and the connecting shaft is rotatably arranged on the base.
From the above, use the utility model provides a can obtain following beneficial effect: the utility model discloses a set up the contact carrier along the first direction activity on the base, at the base side installation auxiliary contact, the base pin joint has the connecting rod, and the link of connecting rod is connected with the contact carrier top, and the contact tip extends to auxiliary contact top, and when the contact carrier moves upwards, the contact carrier drive link moves up, and the connecting rod passes through the pivot point and rotates, makes the contact tip move down to press the contact with auxiliary contact, realize the intercommunication of auxiliary contact; when the contact support moves downwards, the connecting end also moves downwards under the self-weight state, so that the contact end is disconnected with the auxiliary contact, and the breaking of the auxiliary contact is realized. And then realize the feasibility that increases auxiliary contact connecting device on non-canned type new forms of energy direct current contactor, do not influence the original design of contactor main contact, possess simple structure practicality, the dependable performance, simple to operate, advantage such as with low costs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive faculty.
Fig. 1 is a schematic structural view of a connection device of an auxiliary contact according to an embodiment of the present invention;
fig. 2 is an internal structure diagram of a connection device of an auxiliary contact according to an embodiment of the present invention;
fig. 3 is a schematic view of a connecting rod structure of a connecting device of an auxiliary contact according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In order to solve the above technical problem, the present embodiment provides a connection device for an auxiliary contact, as shown in fig. 1, an auxiliary contact connection device is added to a non-sealed new energy dc contactor to achieve feasibility of adding the auxiliary contact, and the connection device includes a base 10 and a plurality of groups of static contacts arranged on the base 10, a contact support 40 is movably arranged in the base 10 below the static contacts along a first direction, the contact support 40 is provided with a moving contact for contacting and connecting with the static contacts, and the moving contact and the static contact are closed and opened by driving the contact support 40 to move along the first direction, where as shown by a direction mark in the figure, the first direction of the present embodiment is an up-down direction, the second direction is a left-right direction, and the third direction is a front-back direction.
The connection device of the auxiliary contact provided by this embodiment further includes an auxiliary contact 30 mounted on one side of the base 10, as shown in fig. 2-3, a link 20 is pivoted on the base 10, the link 20 includes a connection end 21 and a contact end 22, the connection end 21 is connected with the top of the contact support 40, the contact end 22 extends above the auxiliary contact 30, when the contact support 40 moves upward, the contact support 40 drives the connection end 21 to move upward, the link 20 rotates through a pivot point, so that the contact end 22 moves downward and is in pressing contact with the auxiliary contact 30, and communication of the auxiliary contact 30 is realized; when the contact support 40 moves downwards, the connecting end 21 also moves downwards, so that the contact end 22 is disconnected with the auxiliary contact 30, and the disconnection of the auxiliary contact 30 is realized. And then realize increasing auxiliary contact connecting device's feasibility on non-canned type new forms of energy direct current contactor, do not influence the original design of contactor main contact, simple structure is practical, possesses advantage with low costs.
In order to realize the pivot connection of the link 20 on the base 10, a groove 11 is opened on the top surface of the base 10 along the left-right direction, the groove 11 extends from the center of the contact support 40 on the base 10 toward the auxiliary contact 30, and the link 20 is disposed in the groove 11. A connecting shaft 23 is arranged on two side surfaces of the connecting rod 20 close to the contact end 22, and the connecting shaft 23 can be rotatably arranged on the base 10, so that the connecting rod 20 can be rotatably arranged in the groove 11 around the connecting shaft 23.
It should be noted that, in order to realize that the connecting end 21 moves downward while the contact support 40 moves downward, the distance between the connecting shaft 23 and the contact end 22 of the connecting rod 20 is smaller than the distance between the connecting shaft 23 and the connecting end 21, when the connecting rod 20 is pivoted on the base 10 through the connecting shaft 23 and is in a free state, the connecting end 21 of the connecting rod 20 is heavier than the contact end 22, and further, the connecting end 21 moves downward under the action of the self-weight and the contact end 22 moves upward without the action of the contact support 40, so as to realize the breaking of the contact end 22 and the auxiliary contact 30, the device has the advantages of simple structure, reliable performance, convenient installation and low cost.
In order to achieve good contact between the contact end 22 of the connecting rod 20 and the auxiliary contact 30, a contact surface bent towards the auxiliary contact 30 is formed on the contact end 22 of the connecting rod 20, and the contact surface bent towards the auxiliary contact 30 is tightly contacted with the auxiliary contact 30, so that the contact performance between the contact end 22 and the auxiliary contact 30 is improved, and the conduction quality is ensured.
To sum up, the utility model discloses the scheme is through setting up the contact carrier along the first direction activity on the base, installs auxiliary contact in the base side, and the base pin joint has the connecting rod, and the link of connecting rod is connected with the contact carrier top, and the contact tip extends to auxiliary contact top, and when the contact carrier upward movement, the contact carrier drive link moves up, and the connecting rod rotates through the pin joint point, makes the contact tip move down to press with auxiliary contact and contact, realize auxiliary contact's intercommunication; when the contact support moves downwards, the connecting end also moves downwards under the self-weight state, so that the contact end is disconnected with the auxiliary contact, and the breaking of the auxiliary contact is realized. And then realize the feasibility that increases auxiliary contact connecting device on non-canned type new forms of energy direct current contactor, do not influence the original design of contactor main contact, possess simple structure practicality, the dependable performance, simple to operate, advantage such as with low costs.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (4)
1. A connecting device for auxiliary contacts, characterized in that: the contact device comprises a base (10), a contact support (40) movably arranged in the base (10) along a first direction, and an auxiliary contact (30) arranged on one side surface of the base (10); the base (10) is pivoted with a connecting rod (20); the connecting rod (20) comprises a connecting end (21) and a contact end (22), the connecting end (21) is connected with the top of the contact support (40), the contact end (22) extends to the upper portion of the auxiliary contact (30), and the contact support (40) drives the connecting rod (20) to rotate around a pivot point so that the contact end (22) and the auxiliary contact (30) are connected and disconnected.
2. A connecting device for auxiliary contacts according to claim 1, characterized in that: the contact end (22) of the connecting rod (20) is formed with a contact surface which is bent towards the auxiliary contact (30).
3. A connecting device for auxiliary contacts according to claim 2, characterized in that: the top surface of the base (10) is provided with a groove (11) along a second direction, and the connecting rod (20) is arranged in the groove (11) and is pivoted with the base (10).
4. A connecting device for auxiliary contacts according to claim 3, characterized in that: the connecting rod (20) is provided with a connecting shaft (23) near the contact end (22), and the connecting shaft (23) can be rotatably arranged on the base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120603540.4U CN214624914U (en) | 2021-03-22 | 2021-03-22 | Connecting device of auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120603540.4U CN214624914U (en) | 2021-03-22 | 2021-03-22 | Connecting device of auxiliary contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214624914U true CN214624914U (en) | 2021-11-05 |
Family
ID=78396764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120603540.4U Active CN214624914U (en) | 2021-03-22 | 2021-03-22 | Connecting device of auxiliary contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214624914U (en) |
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2021
- 2021-03-22 CN CN202120603540.4U patent/CN214624914U/en active Active
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