CN209930073U - High-stability junction box of three-phase asynchronous motor - Google Patents
High-stability junction box of three-phase asynchronous motor Download PDFInfo
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- CN209930073U CN209930073U CN201920909870.9U CN201920909870U CN209930073U CN 209930073 U CN209930073 U CN 209930073U CN 201920909870 U CN201920909870 U CN 201920909870U CN 209930073 U CN209930073 U CN 209930073U
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- bearing seat
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Abstract
This novel three-phase asynchronous motor high stability terminal box, including bearing the seat, the protective cover, main wiring electrode, supplementary wiring electrode, bear fossil fragments, fusing protector, striking electrode and insulating welt, bear seat and protective cover and be for "U" style of calligraphy trough-shaped structure for the cross section, bear fossil fragments and inlay in bearing the seat, main wiring electrode, supplementary wiring electrode all at least three and inlay in bearing fossil fragments, bear fossil fragments and correspond bear under the seat terminal surface and side surface and all establish at least one wiring mouth, insulating welt is a plurality of and cladding is bearing the seat, the protective cover internal surface. This novel one side can be when satisfying high-efficient convenient motor electrical connection that carries on, can effectively be effectively according to service environment effectively to the relation of connection between terminal box and motor in addition, and on the other hand can effectively improve stability and protective capacities to motor and control circuit, drive circuit electrical apparatus relation of connection.
Description
Technical Field
The utility model relates to a three-phase asynchronous motor high stability terminal box structure belongs to motor technical field.
Background
At least one junction box is arranged on the outer surface of the current motor equipment, then the motor is used for being embedded in the junction box with a power supply circuit and a wiring terminal which is electrically connected between control circuits, thereby achieving the purpose of sealing and protecting the wiring terminal, improving the protection capability of the connection and operation of the wiring terminal, but in use, the current junction box is a hard box body structure with a rectangular cross section, although the usage requirement can be basically met, on one hand, the junction box structure is relatively fixed, the mutual position relation between the junction box and the motor can not be flexibly adjusted according to the usage requirement, the usage flexibility is poor, on the other hand, in operation, the current junction box lacks effective overload protection capability, insulation protection capability and arc extinguishing capability, thereby, the wiring terminal in the junction box is very easy to be ignited when the conditions such as overload of the motor occur, Arcing and the like seriously affect the operation of the motor and the safety of peripheral equipment and personnel of the motor.
Therefore, in order to meet the current situation, it is urgently needed to develop a new motor junction box to meet the actual use requirement.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence on the prior art, the utility model provides a simple structure, the three-phase asynchronous motor high stability terminal box that adjustment flexibility and commonality are good can be effectively to the safety protection of unusual circumstances such as motor overload, short circuit to effectively improve motor and motor peripheral equipment and personnel's security.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
a high-stability junction box for three-phase asynchronous motor is composed of bearing seat, protecting cover, main and auxiliary electrodes, bearing keel, fusing protector, arc-striking electrode and insulating liner plate, and features that said bearing seat and protecting cover are in U-shaped slot structure, the lower end of bearing seat has at least two connecting slide slots, which are symmetrically arranged along the axis of bearing seat and have an included angle of 0-60 deg. to the lower end of bearing seat, the upper end of bearing seat is hinged to protecting cover, and when bearing seat and protecting cover are coaxially arranged, said bearing seat and protecting cover are connected to form a sealed cavity structure, bearing keel is embedded in bearing seat and coaxially arranged with bearing seat, the bearing keel has a rectangular frame structure, and at least three main and auxiliary electrodes are embedded in bearing keel, the auxiliary wiring electrode is located and bears fossil fragments up end, and through a fuse protector mutual electrical connection and constitute a workgroup between a main wiring electrode and the auxiliary wiring electrode, bear that fossil fragments correspond bear under the seat terminal surface and the side surface all establish at least one wiring mouth, insulating welt is a plurality of and the cladding bears seat, protective cover internal surface, the arc striking electrode is two at least, encircle and bear fossil fragments axis equipartition and with insulating welt interconnect, and arc striking electrode axis and bear fossil fragments axis vertical distribution and intersect.
Furthermore, an elastic sealing ring is arranged on the contact surface of the bearing seat and the protective cover.
Furthermore, the main wiring electrode and the auxiliary wiring electrode are provided with wiring terminals on the side surface of the bearing keel corresponding to the main wiring electrode and the auxiliary wiring electrode.
Furthermore, the arc striking electrodes are a plurality of, the distance between each arc striking electrode and the outer surface of the bearing keel is 3-10 mm, and the arc striking electrodes are respectively positioned at the connecting positions of the fusing protector, the main wiring electrode and the auxiliary wiring electrode.
Furthermore, the rear end face of the arc striking electrode is embedded in the insulating lining plate, the rear end faces of the arc striking electrodes are connected in series through a lead, and the surface of the side wall of the bearing seat corresponding to the lead is provided with a grounding terminal which is electrically connected with the grounding terminal.
Furthermore, the connecting sliding groove and the bearing seat are hinged with each other through a turntable mechanism.
This novel one side simple structure, adjustment flexibility and commonality are good, can be when satisfying high-efficient convenient motor electrical connection that carries on, can effectively be effectively according to service environment effectively to the relation of being connected between terminal box and motor in addition, thereby effectively satisfy the needs of different use occasion operation, on the other hand can effectively improve motor and control circuit, the stability and the protective capacities of drive circuit electrical apparatus relation of being connected, effectively improve external force impact, dust liquid drop etc. pollute when resisting the ability, can effectively transship the motor in addition, the safety protection of abnormal conditions such as short circuit, thereby effectively improve motor and motor peripheral equipment and personnel's security.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
The high-stability junction box of the three-phase asynchronous motor as shown in fig. 1 comprises a bearing seat 1, a protective cover 2, a main wiring electrode 3, an auxiliary wiring electrode 4, a bearing keel 5, a fusing protector 6, an arc striking electrode 7 and an insulating lining plate 8, wherein the bearing seat 1 and the protective cover 2 are both in U-shaped groove-shaped cross sections, the lower end surface of the bearing seat 1 is provided with at least two connecting sliding grooves 9, the connecting sliding grooves 9 are symmetrically distributed along the axis of the bearing seat 1 and form an included angle of 0-60 degrees with the lower end surface of the bearing seat 1, the upper end surface of the bearing seat 1 is hinged with the protective cover 2, when the bearing seat 1 and the protective cover 2 are coaxially distributed, the bearing seat 1 and the protective cover 2 are connected with each other to form a closed cavity structure, the bearing keel 5 is embedded in the bearing seat 1 and coaxially distributed with the bearing seat 1, the bearing keel 5 is a frame, Auxiliary wiring electrode 4 is all three at least and inlay in bearing fossil fragments 5, wherein main wiring electrode 3 is located and bears 5 terminal surfaces down of fossil fragments, auxiliary wiring electrode 4 is located and bears 5 up end of fossil fragments, and through 6 mutual electrical connection of a fusing protector and constitute a workgroup between a main wiring electrode 3 and the auxiliary wiring electrode 4, bear 1 lower terminal surface of the seat that bears that fossil fragments 5 correspond and side surface all establish at least one wiring mouth 10, insulating welt 8 a plurality of and cladding are bearing seat 1, the internal surface of protective cover 2, striking electrode 7 is at least two, encircle and bear 5 axis equipartitions of fossil fragments and with 8 interconnect of insulating welt, and 7 axes of striking electrode with bear 5 axis vertical distribution of fossil fragments and intersect.
Wherein, bear seat 1, protective cover 2 contact surface department and establish elastic sealing ring 11.
Meanwhile, the side surfaces of the bearing keel 5 corresponding to the main wiring electrode 3 and the auxiliary wiring electrode 4 are respectively provided with a wiring terminal 12.
In addition, a plurality of arc ignition electrodes 7 are arranged, the distance between each arc ignition electrode 7 and the outer surface of the bearing keel 5 is 3-10 mm, and the arc ignition electrodes 7 are respectively positioned at the connecting positions of the fusing protector 6, the main wiring electrode 3 and the auxiliary wiring electrode 4; the rear end face of the arc ignition electrode 7 is embedded in the insulating lining plate 8, the rear end faces of the arc ignition electrodes 7 are connected in series through a lead 13, and the surface of the side wall of the bearing seat 1 corresponding to the lead 13 is provided with a grounding terminal 14 which is electrically connected with the grounding terminal 14.
In this embodiment, the connecting sliding slot 9 and the bearing seat 1 are hinged to each other through a turntable mechanism 15.
This is novel in the concrete implementation, at first assembles this neotype bearing seat, protective cover, main wiring electrode, supplementary wiring electrode, the fossil fragments of bearing, fusing protector, striking electrode and insulating welt that constitute, then will accomplish this neotype after the equipment through connecting spout and motor casing surface interconnect to accomplish this novel assembly.
When carrying out electrical connection, at first adjust this novel and motor equipment relative position relation through connecting the spout according to the use needs, with the needs that satisfy different service environment, then open the protective cover, wire with the motor is embedded into the seat of bearing through the wiring mouth that bears terminal surface under the seat, and respectively with each main wiring electrode electrical connection, and make each main wiring electrode pass through fusing protector and supplementary wiring electrode electrical connection, then with outside supply circuit, control circuit is embedded into in bearing the seat and with each supplementary wiring electrode electrical connection through the wiring mouth that bears the seat lateral wall respectively, at last with the protective cover closure, thereby accomplish this motor equipment electrical connection operation.
During operation, on one hand, the connection relation and the positioning position of the main wiring electrode, the auxiliary wiring electrode, the bearing keel, the fusing protector and the arc striking electrode are connected and positioned through the bearing seat and the protective cover, so that the novel capacity of resisting pollution such as external force impact, dust droplets and the like is improved; on the other hand, when the motor equipment is overloaded and short-circuited, overload protection can be performed through the fusing protector, and arc extinguishing can be performed through the arc striking electrode when arc discharge phenomena such as electric leakage and sparking occur, so that the safety and reliability of the operation of the motor equipment are improved.
This novel one side simple structure, adjustment flexibility and commonality are good, can be when satisfying high-efficient convenient motor electrical connection that carries on, can effectively be effectively according to service environment effectively to the relation of being connected between terminal box and motor in addition, thereby effectively satisfy the needs of different use occasion operation, on the other hand can effectively improve motor and control circuit, the stability and the protective capacities of drive circuit electrical apparatus relation of being connected, effectively improve external force impact, dust liquid drop etc. pollute when resisting the ability, can effectively transship the motor in addition, the safety protection of abnormal conditions such as short circuit, thereby effectively improve motor and motor peripheral equipment and personnel's security.
Those skilled in the art should understand that the present invention is not limited by the above embodiments. The foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention. The present invention can be further modified and improved without departing from the spirit and scope of the present invention. Such changes and modifications are intended to be within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Three-phase asynchronous motor high stability terminal box, its characterized in that: the high-stability junction box of the three-phase asynchronous motor comprises a bearing seat, a protective cover, a main wiring electrode, an auxiliary wiring electrode, a bearing keel, a fusing protector, an arc striking electrode and an insulating lining plate, wherein the bearing seat and the protective cover are both of U-shaped groove-shaped structures with cross sections, the lower end face of the bearing seat is provided with at least two connecting sliding grooves which are symmetrically distributed along the axis of the bearing seat and form an included angle of 0-60 degrees with the lower end face of the bearing seat, the upper end face of the bearing seat is hinged with the protective cover, the bearing seat and the protective cover are mutually connected and form a closed cavity structure when the bearing seat and the protective cover are coaxially distributed, the bearing keel is embedded in the bearing seat and coaxially distributed with the bearing seat, the bearing keel is of a frame structure with a rectangular cross section, and the main wiring electrode and the auxiliary wiring electrode are at least three and embedded, wherein main wiring electrode is located and bears terminal surface under the fossil fragments, and supplementary wiring electrode is located and bears fossil fragments up end, and one through the mutual electrical connection of a fusing protector and constitute a workgroup between main wiring electrode and the supplementary wiring electrode, bear that the bearing seat that fossil fragments correspond is down terminal surface and side surface and all establish at least one wiring mouth, insulating welt is a plurality of and the cladding is bearing seat, protective cover internal surface, the arc striking electrode is two at least, encircle and bear fossil fragments axis equipartition and with insulating welt interconnect, just arc striking electrode axis with bear fossil fragments axis vertical distribution and intersect.
2. The high stability junction box of a three-phase asynchronous motor according to claim 1, characterized in that: the contact surface of the bearing seat and the protective cover is provided with an elastic sealing ring.
3. The high stability junction box of a three-phase asynchronous motor according to claim 1, characterized in that: and the side surfaces of the bearing keel corresponding to the main wiring electrode and the auxiliary wiring electrode are provided with wiring terminals.
4. The high stability junction box of a three-phase asynchronous motor according to claim 1, characterized in that: the arc striking electrodes are a plurality of, the distance between each arc striking electrode and the outer surface of the bearing keel is 3-10 mm, and the arc striking electrodes are respectively positioned at the connecting positions of the fusing protector and the main wiring electrode and the auxiliary wiring electrode.
5. The high stability junction box of a three-phase asynchronous motor according to claim 1, characterized in that: the rear end face of the arc striking electrode is embedded in the insulating lining plate, the rear end faces of the arc striking electrodes are connected in series through a lead, and the surface of the side wall of the bearing seat corresponding to the lead is provided with a grounding terminal which is electrically connected with the grounding terminal.
6. The junction box with high stability for the three-phase asynchronous motor according to claim 1, wherein the connecting sliding groove and the bearing seat are hinged to each other through a turntable mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920909870.9U CN209930073U (en) | 2019-06-17 | 2019-06-17 | High-stability junction box of three-phase asynchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920909870.9U CN209930073U (en) | 2019-06-17 | 2019-06-17 | High-stability junction box of three-phase asynchronous motor |
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| CN209930073U true CN209930073U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920909870.9U Active CN209930073U (en) | 2019-06-17 | 2019-06-17 | High-stability junction box of three-phase asynchronous motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819964A (en) * | 2021-07-30 | 2021-12-21 | 开封科隆流量仪表有限公司 | Sealing structure of junction box of electromagnetic flowmeter |
-
2019
- 2019-06-17 CN CN201920909870.9U patent/CN209930073U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819964A (en) * | 2021-07-30 | 2021-12-21 | 开封科隆流量仪表有限公司 | Sealing structure of junction box of electromagnetic flowmeter |
| CN113819964B (en) * | 2021-07-30 | 2023-09-15 | 开封科隆流量仪表有限公司 | Sealing structure of junction box of electromagnetic flowmeter |
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