CN215771601U

CN215771601U - Butt-joint type wiring device

Info

Publication number: CN215771601U
Application number: CN202121438018.1U
Authority: CN
Inventors: 刘丰丰; 侯魁; 潘璇; 王�忠
Original assignee: Jiangsu Daquan Kaifan Switch Co ltd
Current assignee: Jiangsu Daquan Kaifan Switch Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-02-08
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a butt-joint type wiring device which comprises a wiring board, an upper module, a lower module and a bracket, wherein the upper module is arranged on the wiring board; a plurality of upper modules are arranged on the wiring board, and a plurality of lower modules are arranged on the support; the lower module comprises a plug and a plug frame, and the tail part of the plug is inserted in the plug frame. The structure of the lower module is integrated, so that when the lower module and the body displace, the lower module is stable in running state and uniform in stress, the whole conduction circuit is stable in state and good in contact under the condition of each position, and the condition that a secondary circuit is not conducted when the whole conduction circuit is in a test or connection position cannot occur.

Description

Butt-joint type wiring device

Technical Field

The utility model relates to the field of low-voltage electrical apparatus component equipment, in particular to a butt joint type wiring device.

Background

In the industry of low-voltage electrical appliances, particularly in the internal structure of the drawer-type universal circuit breaker, a secondary circuit terminal is usually designed for the secondary circuit connection. The wiring device is divided into two parts, one part is fixedly arranged on the upper module seat (called as an upper module), and the other part is arranged on the body (called as a lower module). The body can move back and forth, and the species relative position can be produced on its removal in-process body and the last module seat: the circuit breaker comprises a separation position, a test position and a connection position, wherein a main circuit and a secondary circuit of the circuit breaker are not communicated when the circuit breaker is at the separation position, the main circuit is disconnected when the circuit breaker is at the test position, the secondary circuit is communicated when the circuit breaker is at the test position, and the main circuit and the secondary circuit are communicated when the circuit breaker is at the connection position.

In the prior art, in order to solve the contact state of the secondary circuit at the test position, the internal structure of the lower terminal is usually designed to be in a movable state, and in the process that the body is from the separation position to the test position, the position of the movable part is locked and moves along with the body, so that the conduction of the secondary circuit at the test position is completed; when the body continues to move to the connecting position, the movable part of the lower module 3 is unlocked and moves with the body, and the body continues to move to the connecting position. Since the insertion force of the upper and lower modules 3 is large in the test position, the wiring device is easily damaged and fails, and the large insertion force often causes the secondary circuit to be non-conductive in the test or connection position.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a butt-joint type wiring device which comprises a wiring board 1, an upper module 2, a lower module 3 and a bracket 6; a plurality of upper modules 2 are arranged on the wiring board 1, and a plurality of lower modules 3 are arranged on the bracket 6; the lower module 3 comprises a plug 4 and a plug frame 5, and the tail part of the plug 4 is inserted in the plug frame 5.

Further, the plug 4 includes elastic sheet frames 42 arranged side by side, each two elastic sheets 41 are oppositely arranged on the upper and lower sides of one elastic sheet frame 42, first protrusions 421 are arranged on the elastic sheet frames 42 in a staggered manner, and first bending portions 411 matched with the first protrusions 421 are arranged in the middle of the elastic sheets 41; a second bending part 412 is arranged at one end of the elastic sheet 41 far away from the plug frame 5; the left and right sides of the clip frame 42 are provided with second protrusions 422.

Furthermore, an elastic hook 51 is disposed above the plug frame 5, and a first groove 52 is disposed in front of the plug frame 5.

Further, the upper module 2 comprises a contact assembly 21, a conductive sheet 23 connected with one end of the contact assembly 21, and an upper module seat 22; the upper module seat 22 comprises chambers which are arranged side by side in the vertical direction, one end of each chamber is communicated, and the other end of each chamber is closed; the conducting strip 23 is arranged in a conducting strip channel of the upper module seat 22, the conducting strip channel is provided with a chute 221, and the chute 221 is positioned at one end of the chamber for conduction.

Furthermore, both ends of the conductive sheet 23 are provided with a bending angle 231, and the bending angle 231 is clamped in the inclined groove 221 of the upper module seat 22.

Further, the elastic sheets 41 are respectively in contact with the corresponding conductive sheets 23 through the second bending portions 412 to achieve electrical connection.

Further, the bracket 6 comprises a plurality of channels partitioned by a plurality of grid plates 61, and the lower module 3 is arranged on the bracket 6 through the channels; the grid plate 61 is provided with guide ribs 62 on both sides.

Further, after the bracket 6 is inserted into the wiring board 1, the plug 4 is inserted into the corresponding cavity of the upper module seat 22, and the elastic sheet 41 of the plug 4 is correspondingly connected with the conductive sheet 23 of the upper module 2.

Compared with the prior art, the lower module is integrated in structure, so that when the lower module and the body displace, the lower module is stable in running state and uniform in stress, the whole conducting circuit is stable in state and good in contact in each position, and the situation that a secondary circuit is not conducted in a test or a connecting position cannot occur.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention.

Fig. 2 is a structural diagram of a patch panel according to a first embodiment of the present invention.

Fig. 3 is a schematic diagram of a separated position of the upper module according to a first embodiment of the present invention.

Fig. 4 is a schematic diagram of a test position of the upper module according to the first embodiment of the present invention.

Fig. 5 is a schematic diagram of a connection position of an upper module according to a first embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a lower module according to a first embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a spring plate according to an embodiment of the utility model.

Fig. 8 is a schematic partial structural diagram of a lower module according to a first embodiment of the present invention.

Fig. 9 is an assembly diagram of a conductive sheet and a resilient sheet according to a first embodiment of the utility model.

Fig. 10 is a schematic structural diagram of a bracket according to a first embodiment of the utility model.

Fig. 11 is a schematic view of an assembly portion of a bracket and a lower module according to a first embodiment of the present invention.

Fig. 12 is a side view of an upper module according to a first embodiment of the present invention.

The symbols in the figures represent the meanings:

the connecting plate comprises a wiring board 1, an upper module 2, a contact assembly 21, an upper module seat 22, an inclined groove 221, a conducting strip 23, a bent angle 231, a lower module 3, a plug 4, an elastic sheet 41, a first bending part 411, a second bending part 412, an elastic sheet frame 42, a first protrusion 421, a second protrusion 422, a plug frame 5, a clamping hook 51, a groove 52, a support 6, a grid plate 61, a guide rib 62 and a transverse shaft 63.

Detailed Description

The utility model provides a butt-joint type wiring device.

Example one

As shown in fig. 1, the butt type wiring device for a circuit breaker according to the present embodiment includes a wiring board 1, an upper module 2, a lower module 3, and a bracket 6. The upper module 2 is connected with the wiring board 1, and the lower module 3 is arranged on the bracket 6. As shown in fig. 1, 2 and 9, the upper module 2 includes a contact assembly 21, a conductive sheet 23 assembly including a plurality of conductive sheets 23, and an upper module base 22, where the contact assembly 21 includes a first contact assembly 21, a second contact assembly 21, a third contact assembly 21 and a fourth contact assembly 21 arranged in parallel; the upper module base 22 includes two chambers arranged side by side in the vertical direction, one end of each chamber is connected, and the other end of each chamber is closed. As shown in fig. 3, 9 and 12, in the present embodiment, each upper module 2 includes four conductive strips 23, each conductive strip 23 is disposed in a conductive strip channel of the upper module seat 22, the conductive strip channel is provided with a chute 221, and the chute 221 is at one end of the chamber; both ends of the conducting strip 23 are provided with bend corners 231, and the bend corners 231 are clamped in the inclined grooves 221 of the upper module seat 22 to prevent the conducting strip 23 from sliding inwards.

As shown in fig. 6, 7, 8 and 9, the lower module 3 includes a plug 4 and a plug frame 5, a tail of the plug 4 is inserted into the plug frame 5, the plug 4 includes two sets of elastic sheet frames 42 arranged side by side, each two elastic sheets 41 are oppositely arranged on upper and lower sides of one elastic sheet frame 42, the elastic sheet frames 42 are arranged with first protrusions 421 in a staggered manner, a first bending portion 411 matched with the first protrusions 421 is arranged in a middle of each elastic sheet 41 (the first bending portion 411 is omitted in fig. 3, 4, 5, 9 and 11), so as to prevent the elastic sheet 41 from sliding out of the elastic sheet frame 42 forwards and backwards, and a second bending portion 412 is arranged at one end of each elastic sheet 41 far from the plug frame 5; the left side and the right side of the spring piece rack 42 are provided with second bulges 422 to prevent the spring pieces 41 from sliding out of the spring piece rack 42 from left and right. The plug frame 5 is provided with elastic clamping hooks 51 at the upper and lower parts, and a first groove 52 at the front part of the plug frame 5. After the lower module 3 is mounted on the bracket 6, if it is to be removed, a tool can be used to extend through the first groove 52 and press the hook 51, so that the hook 51 is deformed downward, and the lower module 3 can be removed from the bracket 6.

The elastic sheets 41 are respectively contacted with the corresponding conductive sheets 23 through the second bending parts 412 to realize electric connection.

As shown in fig. 10 and 11, the support 6 includes a plurality of passages partitioned by a plurality of grid plates 61, and the passages are used for inserting and fixing the lower module 3. The two sides of the grid plate 61 are provided with guide ribs 62 to prevent the tail of the spring plate 41 from sliding out of the plug frame 5. The bracket 6 is provided with a transverse shaft 63, and after the bracket is installed, the transverse shaft 63 is positioned between the hook 51 and the groove 52.

A plurality of upper modules 2 can be installed on the wiring board 1, a plurality of lower modules 3 can be installed on the support 6, after the support 6 and the wiring board 1 are separated and inserted, the plugs 4 are inserted into the cavities of the corresponding upper module seats 22, the elastic sheets 41 of the plugs 4 are correspondingly connected with the conductive sheets 23 of the upper modules 2, signal transmission is achieved, and the process that the lower modules 3 are separated from a separation position to a test position and a connection position is completed. Fig. 3, 4 and 5 are schematic views of the structure of the detachment position, the testing position and the attachment position, respectively.

Compared with the prior art, the structure of the lower module 3 is integrated, so that when the lower module 3 and the body displace, the lower module 3 is stable in running state and the lower module 3 is uniformly stressed, the whole conduction circuit is stable in state and good in contact at each position, and the condition that a secondary circuit is not conducted at a test or connection position cannot occur.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A butt-joint type wiring device is characterized by comprising a wiring board (1), an upper module (2), a lower module (3) and a bracket (6); a plurality of upper modules (2) are arranged on the wiring board (1), and a plurality of lower modules (3) are arranged on the bracket (6); the lower module (3) comprises a plug (4) and a plug frame (5), and the tail part of the plug (4) is inserted on the plug frame (5).

2. The butt-joint type wiring device according to claim 1, wherein the plug (4) comprises spring plate frames (42) arranged side by side, every two spring plates (41) are oppositely arranged on the upper side and the lower side of one spring plate frame (42), first bulges (421) are arranged on the spring plate frames (42) in a staggered manner, and first bending parts (411) matched with the first bulges (421) are arranged in the middle parts of the spring plates (41); a second bending part (412) is arranged at one end, far away from the plug frame (5), of the elastic sheet (41); and second bulges (422) are arranged on the left side and the right side of the spring piece rack (42).

3. A butt-joint wiring device according to claim 2, wherein the plug frame (5) is provided with a resilient snap (51) and a first groove (52) is provided in front of the plug frame (5).

4. The butt-joint wiring device according to claim 2, wherein the upper module (2) comprises a contact assembly (21), a conductive sheet (23) connected to one end of the contact assembly (21), and an upper module seat (22); the upper module seat (22) comprises cavities which are arranged side by side in the vertical direction, one end of each cavity is communicated, and the other end of each cavity is closed; the conducting strip (23) is arranged in a conducting strip channel of the upper module seat (22), a chute (221) is arranged on the conducting strip channel, and the chute (221) is located at one end of the cavity, which is communicated with the cavity.

5. The butt-type wiring device according to claim 4, wherein both ends of the conductive sheet (23) are provided with bent corners (231), and the bent corners (231) are caught in the inclined grooves (221) of the upper module seat (22).

6. The butt-joint type wiring device according to claim 5, wherein the elastic sheets (41) are respectively contacted with the corresponding conducting sheets (23) through the second bending parts (412) to realize electric connection.

7. The butt-joint type wiring device according to claim 6, wherein the bracket (6) comprises a plurality of channels partitioned by a plurality of grid plates (61), and the lower module (3) is mounted on the bracket (6) through the channels; and guide ribs (62) are arranged on two sides of the grid plate (61).

8. The butt-joint type wiring device according to claim 7, wherein after the bracket (6) is plugged with the wiring board (1), the plug (4) is inserted into the cavity of the corresponding upper module seat (22), and the elastic sheet (41) of the plug (4) is correspondingly connected with the conductive sheet (23) of the upper module (2).