CN214012862U - Junction box structure of automatic change-over switch - Google Patents
Junction box structure of automatic change-over switch Download PDFInfo
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- CN214012862U CN214012862U CN202022867831.2U CN202022867831U CN214012862U CN 214012862 U CN214012862 U CN 214012862U CN 202022867831 U CN202022867831 U CN 202022867831U CN 214012862 U CN214012862 U CN 214012862U
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Abstract
一种自动转换开关的接线盒结构，其特征在于：它包括安装座(1)，插针式接线端子(2)与插孔式接线端子(3)，所述插孔式接线端子(3)从所述安装座(1)下方利用卡扣限位结构插装在所述安装座(1)的槽孔(101)中，所述插针式接线端子(2)从所述安装座(1)上方插装在所述插孔式接线端子(3)上。接线盒的正面错层卡扣式单一结构，实现控制回路中线缆连接的零件数量到最少，有效降低成本，同时接线端子的安装固定和线缆的连接均简单可靠。整个结构实现了维护的安全性和便捷性，提高了接线端子间的绝缘性能，提高了接线端子的排水及防水功能。
A junction box structure of an automatic transfer switch is characterized in that: it comprises a mounting seat (1), a pin-type terminal (2) and a socket-type terminal (3), and the socket-type terminal (3) The pin-type terminal (2) is inserted into the slot (101) of the mounting seat (1) from the bottom of the mounting seat (1) by means of a snap limit structure, and the pin terminal (2) is inserted from the mounting seat (1). ) is inserted above the socket-type terminal (3). The front staggered snap-on single structure of the junction box minimizes the number of parts for cable connection in the control loop, effectively reducing costs, and at the same time, the installation and fixation of the terminals and the connection of the cables are simple and reliable. The whole structure realizes the safety and convenience of maintenance, improves the insulation performance between the terminals, and improves the drainage and waterproof functions of the terminals.
Description
Technical Field
The utility model belongs to the technical field of low-voltage apparatus, specifically say so and relate to an automatic change over switch's terminal box structure.
Background
With the development of society, people's requirements for power grids and power transmission and distribution processes thereof are gradually improved, mainly in the aspects of safety, reliability, continuity, easy overhaul and maintenance and the like of power supply equipment, and thus, automatic transfer switches with the typical characteristics are more and more widely applied. The automatic change-over switch is mainly used for the work occasion of low-voltage power distribution system by two way power supplies power supply, and its function is when the power of normal power supply goes wrong and trouble, and it is automatic to be converted into stand-by power supply by main power source power supply to the transmission and distribution lines to realize the uninterrupted power supply of whole circuit, thereby guarantee continuation, the stability requirement of key load power consumption.
Important indexes of the automatic change-over switch comprise short-circuit connection and disconnection capacities; the control circuit is regarded as the important part by the automatic change-over switch, and the reliability requirement that the corresponding pencil of control circuit connects is very high, and the corresponding pencil of current control circuit often adopts screw and nut connected mode, relates to the part many, and is with high costs, and the manufacturing procedure is complicated, and the disability rate is high again, and the installation reliability is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at exactly to above-mentioned automatic change over switch control circuit pencil connection structure complicated, the poor defect of reliability provides an automatic change over switch's terminal box structure, the positive staggered floor buckle formula single structure of terminal box, realizes that the part quantity that the cable is connected is to minimum in the control circuit, effective reduce cost, and binding post's installation is fixed simultaneously and the connection of cable is all simple reliable. The whole structure realizes the safety and convenience of maintenance, improves the insulating property between the wiring terminals, and improves the drainage and waterproof functions of the wiring terminals.
Technical scheme
In order to realize the technical purpose, the utility model provides an automatic change-over switch's terminal box structure, its characterized in that: the plug type wiring terminal comprises an installation seat, a plug type wiring terminal and a plug type wiring terminal, wherein the plug type wiring terminal is inserted into a slotted hole of the installation seat from the lower part of the installation seat by utilizing a buckle limiting structure, and the plug type wiring terminal is inserted into the plug type wiring terminal from the upper part of the installation seat. The structure is adopted to realize the wiring mode of upper and lower incoming lines, so that the cost is effectively reduced; meanwhile, the electric clearance and creepage distance of the jack type wiring terminal are large, the jack type wiring terminal is fixed in the junction box and can bear 8KV voltage impact between the jack type wiring terminal and the sampling line of the body correspondingly; the contact pin type wiring terminal is used as a wiring harness plug and connected with the controller.
Furthermore, the plurality of pin type wiring terminals and the plurality of socket type wiring terminals which are inserted together are arranged on the front surface of the mounting seat in a staggered manner. By adopting the structure, the wiring and the maintenance of the upper and lower inlet and outlet wires of the control circuit are convenient, and the generation of reworking scrap is avoided.
Furthermore, the buckle limiting structure comprises a plate surface on one side of a slotted hole on the mounting seat, which can limit the movement of the jack-type wiring terminal to the upper part of the mounting seat, limiting buckles and rib buckles are arranged on the bottom surface of the mounting seat corresponding to the bottom surface, the front side and the rear side of the jack-type wiring terminal, which can abut against the jack-type wiring terminal to lock and mount the jack-type wiring terminal, and limiting plates are arranged on the bottom surface of the mounting seat corresponding to the left side and the right side of the jack-type wiring terminal, which can limit the movement of the jack-type wiring terminal to the left side and the right side of the mounting seat. After the structure is adopted, the connecting terminal can not fall off after being assembled, and meanwhile, the electric gap between the connecting terminals is increased, and the assembling process is simplified.
Further, spacing buckle and rib buckle are the plastic part.
Advantageous effects
The utility model provides a pair of automatic change-over switch's terminal box structure, the positive staggered floor buckle formula single structure of terminal box realizes that the part quantity of cable junction is to minimum in the control circuit, effective reduce cost, and binding post's installation is fixed simultaneously and the connection of cable is all simple reliable. The whole structure realizes the safety and convenience of maintenance, improves the insulating property between the wiring terminals, and improves the drainage and waterproof functions of the wiring terminals.
Drawings
Fig. 1 is a schematic view of a junction box structure in an embodiment of the present invention.
Fig. 2 is a schematic view of a junction box structure in an embodiment of the present invention.
Fig. 3 is a schematic view of the mutual positions of the pin type connection terminal and the socket type connection terminal according to the embodiment of the present invention;
fig. 4 is a schematic diagram of the mutual positions of the pin type connection terminal and the socket type connection terminal according to the embodiment of the present invention;
fig. 5 is a first schematic structural diagram of a mounting seat in an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a mounting seat in the embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1 and 2, a junction box structure of an automatic transfer switch includes a mounting base 1, a pin terminal 2 and a socket terminal 3, wherein the socket terminal 3 is inserted into a slot hole 101 of the mounting base 1 from below the mounting base 1 by using a snap-fit limiting structure, and the pin terminal 2 is inserted onto the socket terminal 3 from above the mounting base 1. The plurality of pin type wiring terminals 2 and the plurality of socket type wiring terminals 3 which are inserted together are arranged on the front surface of the mounting seat 1 in a staggered manner.
As shown in fig. 3, 4, 5 and 6, the buckle limiting structure includes that a plate surface 101a on one side of a slot 101 on the mounting base 1 can limit the movement of the receptacle-type terminal 3 to the upper side of the mounting base 1, limiting buckles 102 and rib buckles 103 are arranged on the bottom surface of the mounting base 1 at positions corresponding to the bottom surface and the front and rear side surfaces of the receptacle-type terminal 3 and can abut against the receptacle-type terminal 3 to be locked and mounted, and limiting plates 104 are arranged on the bottom surface of the mounting base 1 at positions corresponding to the left and right side surfaces of the receptacle-type terminal 3 and can limit the movement of the receptacle-type terminal 3 to the left and right directions of the mounting base 1. In this embodiment, the limiting buckle 102 and the rib buckle 103 are plastic parts.
The positive staggered floor buckle formula structure of terminal box in this embodiment, positive staggered floor structure realize the security and the convenience of openly maintaining, and buckle limit structure further improves the insulating properties between binding post, and buckle and limit structure realize binding post's screwless installation fixed simultaneously, and the upper and lower arrangement structure of terminal has realized binding post's drainage and waterproof function. The positive staggered layer buckle formula simplex structure of terminal box realizes that the part quantity of cable junction in the control circuit reduces, and cost reduction to binding post installation is fixed simple and convenient stable, and the connection of cable is quick reliable.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. The utility model provides an automatic change over switch's terminal box structure which characterized in that: the wiring terminal comprises an installation base (1), a pin type wiring terminal (2) and a socket type wiring terminal (3), wherein the socket type wiring terminal (3) is inserted into a slotted hole (101) of the installation base (1) from the lower part of the installation base (1) through a buckle limiting structure, and the pin type wiring terminal (2) is inserted into the socket type wiring terminal (3) from the upper part of the installation base (1).
2. The terminal block structure of an automatic transfer switch as claimed in claim 1, wherein: the plurality of pin type wiring terminals (2) and the jack type wiring terminals (3) which are inserted together are positioned on the front surface of the mounting seat (1) and are installed in a staggered mode.
3. The terminal block structure of an automatic transfer switch as claimed in claim 1, wherein: the buckle limiting structure comprises a mounting seat (1), wherein a plate surface (101a) on one side of a slotted hole (101) can limit the movement of the jack type wiring terminal (3) to the upper side of the mounting seat (1), a limiting buckle (102) and a rib buckle (103) are arranged on the bottom surface of the mounting seat (1) at positions corresponding to the bottom surface, the front side and the rear side of the jack type wiring terminal (3) and can abut against the jack type wiring terminal (3) to enable the jack type wiring terminal to be mounted in a locking mode, and limiting plates (104) are arranged on the bottom surface of the mounting seat (1) at positions corresponding to the left side and the right side of the jack type wiring terminal (3) and can limit the movement of the jack type wiring terminal (3) to the left side and the right side of the mounting seat (1).
4. A junction box structure of an automatic transfer switch as claimed in claim 3, wherein: the limiting buckles (102) and the rib buckles (103) are plastic parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022867831.2U CN214012862U (en) | 2020-12-03 | 2020-12-03 | Junction box structure of automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022867831.2U CN214012862U (en) | 2020-12-03 | 2020-12-03 | Junction box structure of automatic change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214012862U true CN214012862U (en) | 2021-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022867831.2U Active CN214012862U (en) | 2020-12-03 | 2020-12-03 | Junction box structure of automatic change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214012862U (en) |
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2020
- 2020-12-03 CN CN202022867831.2U patent/CN214012862U/en active Active
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