CN212304083U

CN212304083U - Locking piece for locking mating connector, connector end cover assembly and connector

Info

Publication number: CN212304083U
Application number: CN202020103108.4U
Authority: CN
Inventors: 万峰; 尹豪迈
Original assignee: Tyco Electronics Shanghai Co Ltd
Current assignee: Tyco Electronics Shanghai Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2021-01-05
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to a locking piece, connector end cover subassembly and connector for locking is to joining in marriage the connector. The locking piece for locking the mating connector comprises a base and an elastic arm, wherein the base is provided with a first end and a second end along a locking direction; the elastic arm is provided with a head end and a tail end along the locking direction, the tail end of the elastic arm is provided with a first convex block, and the first convex block protrudes out of the elastic arm along the lateral direction; the head end of the elastic arm is connected to the base; the tail end of the elastic arm is suspended and arranged elastically. The locking piece sets up behind the end cover and covers, can be using in multiple connector housing, does not confine the structure of casing to, conveniently reforms transform the connector of current no secondary lock. The utility model discloses convenient operation, and reduce the product by a wide margin and push away the harmfulness of lock position in advance from the pre-lock position because of the reason that the product clashed each other in the packing, experience for the better use of customer.

Description

Locking piece for locking mating connector, connector end cover assembly and connector

Technical Field

The utility model relates to a locking piece, connector end cover subassembly and connector for locking is to joining in marriage the connector.

Background

The secondary lock is used in a mode that the secondary lock is blocked or limited by the limiting structure and cannot move to the final locking position when in the pre-locking position, and after the shells of the male connector and the female connector are matched in place, the limiting structure is contacted by the matching structure connected with the male end and the female end, so that the limiting of the secondary lock is released, and the secondary lock can move from the pre-locking position to the final locking position. This limit structure also prevents the secondary lock from moving from the primary lock position to the final lock position during transportation.

The secondary lock has sufficient holding power in the primary lock position, is not easily moved to the final lock position, and is convenient to operate when movement is required, which is one of the main problems faced in the art.

SUMMERY OF THE UTILITY MODEL

One of the objectives of the present invention is to overcome the deficiencies in the prior art, and to provide a locking member, a connector end cap assembly and a connector which are convenient to use.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a lock for locking a mating connector, the lock comprising:

a base having a first end and a second end along a locking direction; and

the elastic arm is provided with a head end and a tail end along the locking direction, the tail end of the elastic arm is provided with a first convex block, and the first convex block protrudes out of the elastic arm along the lateral direction;

the head end of the elastic arm is connected to the base;

the tail end of the elastic arm is suspended and arranged elastically.

According to the utility model discloses an embodiment, still be provided with the second lug on the elastic arm, first lug with the second lug all set up in the tail end of elastic arm, the second lug set up in first lug top and both interval set up.

According to an embodiment of the present invention, the second protrusion protrudes laterally from the first protrusion.

According to an embodiment of the present invention, the first bump is located directly above the second bump.

According to the utility model discloses an embodiment, the locking piece still is provided with the third lug, the third lug set up in the upper surface of elastic arm and outstanding in the upper surface of elastic arm.

According to the utility model discloses an embodiment, be provided with the fourth lug on the base, the fourth lug set up in on the lateral wall of base and towards the side direction salient in the lateral wall of base.

According to the utility model discloses an embodiment, be provided with the fifth lug on the base, the fifth lug set up in the lower surface of base and downwardly protruding in the lower surface of base.

According to the utility model discloses an embodiment, the lower surface of base is provided with the recess, the fifth lug set up in the recess.

A connector end cap for mounting the aforementioned latch member, comprising:

the end cover comprises an end cover body, a first transverse blocking wall, a second transverse blocking wall and a sliding groove; the sliding groove is arranged to accommodate the locking piece to move;

the first lateral barrier wall is arranged behind the second lateral barrier wall,

the first transverse blocking wall and the second transverse blocking wall are positioned above the end cover body, and a gap is reserved between the first transverse blocking wall and the end cover body so as to allow part of the locking piece to move along the locking direction;

in the initial locking position, the first transverse blocking wall blocks the locking piece from moving along the locking direction,

in the final locking position, the second transverse blocking wall blocks the locking piece from moving forward along the locking direction;

after the tail end of the elastic arm is pressed, the first lug is positioned in the gap and avoids the first transverse blocking wall, so that the locking piece moves forwards to the second transverse blocking wall; after the elastic arm resets, the second transverse blocking wall blocks the first lug to move forwards along the locking direction.

According to an embodiment of the invention, the chute comprises a bottom wall and two side walls; the side wall is provided with a blocking block protruding out of the side wall, and the first transverse blocking wall and the second transverse blocking wall are both arranged on the blocking block; a gap is formed between the stop block and the bottom wall.

According to the utility model discloses an embodiment, still be provided with in the spout and block the lug, block the lug and be used for restricting the removal of locking piece.

According to the utility model discloses an embodiment, still be provided with the vertical wall that blocks on the end cover, the vertical wall that blocks is used for blockking the locking piece and removes up.

A connector end cap assembly, comprising:

the aforementioned locking member; and

the connector end cap as described above.

A connector, comprising:

a connector housing; and

the connector end cap assembly described above;

the connector shell and the connector end cover are connected with each other through a buckling structure.

According to the utility model discloses an embodiment still includes: a connection terminal; the connecting terminal is fixedly mounted on the connector housing.

The utility model provides a be used for the locking to joining in marriage locking piece, connector end cover subassembly and the connector of connector, the locking piece uses as the secondary lock of connector. The elastic arm is elastically arranged and can be conveniently operated to change the position of the first lug, and when the locking piece is at the pre-locking position, the first lug of the elastic arm is blocked by the first transverse blocking wall and the vertical blocking wall and cannot move forwards or upwards along the locking direction; the elastic arm is pressed downwards to enable the first lug to avoid the first transverse blocking wall, and the blocking of the first lug towards the front along the locking direction is removed, so that the locking piece can be pushed towards the front; until the locking piece is pushed to the final locking position from the initial locking position, after the elastic arm is loosened, the elastic arm resets under the elastic action, and the first lug is positioned at the second transverse blocking wall and cannot move forwards due to the blocking of the second transverse blocking wall. The end cover is further provided with a blocking lug which is matched with the third lug, the fourth lug and the fifth lug and is respectively used for limiting the movement of the locking piece at the initial locking position and the final locking position. When the locking piece reaches the final locking position, part of the locking piece is located below the locking elastic sheet of the male-female connector and abuts against the locking elastic sheet, so that the locking elastic sheet locks the male-female connector. Therefore, whether the locking piece can reach the final locking position or not can be used for judging whether the male and female connectors are installed in place or not.

When the operator presses the elastic arm in the final locking position, the first lug can be positioned in the gap between the blocking block and the base and can move backwards to the initial locking position. The male and female connectors can be separated normally. The blocking lug can also be used for increasing the operation hand feeling of the locking piece in the moving process.

The locking piece sets up behind the end cover and covers, can be using in multiple connector housing, does not confine the structure of casing to, conveniently reforms transform the connector of current no secondary lock. The utility model discloses convenient operation, and reduce the product by a wide margin and push away the harmfulness of lock position in advance from the pre-lock position because of the reason that the product clashed each other in the packing, experience for the better use of customer.

Drawings

Fig. 1 is a schematic view of the connector structure of the present invention.

Fig. 2 is a schematic structural view of the end cap and the locking member of the present invention.

Fig. 3 is a schematic structural view of the end cap and the locking member of the present invention viewed from another angle.

Fig. 4 is a schematic top view of the end cap and the locking member of the present invention, with the locking member in an initial locking state;

fig. 5 is a sectional view a-a in fig. 4.

Fig. 6 is a schematic top view of the end cap and the locking member of the present invention, the locking member being in a final locking state;

fig. 7 is a sectional view taken along line B-B in fig. 6.

Fig. 8 is a schematic structural view of the locking member of the present invention.

Fig. 9 is a schematic view of the locking member of the present invention viewed from another angle.

Fig. 10 is a schematic view of the locking member of the present invention viewed from another angle.

Fig. 11 is a schematic view of the end cap structure of the present invention.

Fig. 12 is a schematic structural view of the end cap according to the present invention from another angle.

Fig. 13 is a schematic front view of the end cap structure of the present invention.

Detailed Description

Referring to fig. 1, an embodiment of a connector 100 is shown, the connector 100 includes a male end connector housing 101, a female end connector housing 105, an end cap 110, and a locking member 150. The male end connector shell 101 is provided with a locking elastic sheet 102. The locking spring piece 102 is elastically arranged. The locking spring sheet 102 is provided with a locking lug 103. The female connector housing 105 is provided with a through hole 106. When the male end connector housing 101 and the female end connector housing 105 are mated, the locking protrusion 103 is inserted into the through hole 106. The locking projections 103 are matched with the through holes 106 to lock the male end connector housing 101 and the female end connector housing 105, and the male end connector housing 101 and the female end connector housing 105 cannot be separated. The locking elastic sheet 102 is pressed downwards, so that the locking lug 103 is pushed out from the through hole 106, the locking of the male end connector shell 101 and the female end connector shell 105 can be released, and the male end connector shell 101 and the female end connector shell 105 can be separated. When the lower part of the locking elastic sheet 102 is propped against and cannot be pressed down, the locking lug 103 cannot be withdrawn from the through hole 106, and the male end connector shell 101 and the female end connector shell 105 are completely locked.

Male end connector housing 101 and female end connector housing 105 are not shown in the figure as having connection terminals, respectively), when male end connector housing 101 and female end connector housing 105 are mated and connected, the connection terminals of the two are mated to realize electrical connection.

As shown in fig. 8 to 10, the locking member 150 includes a base 151 and an elastic arm 161. The base 151 has a rectangular parallelepiped plate shape. In the locking direction, the base 151 has a first end 152 and a second end 153. The lower surface of the base 151 is provided with a groove 154. A fifth projection 155 is disposed within the recess 154. The sidewall 156 of the base 151 is further provided with a fourth protrusion 157. The fourth protrusion 157 protrudes laterally from the sidewall 156.

The resilient arm 161 has a head end 162 and a tail end 163. The head end 162 is connected at the second end 153 of the base 151. The tail end 163 of the elastic arm 161 is suspended and elastically arranged, and the tail end 163 can move towards the base 151 by pressing the tail end 163 of the elastic arm 161; when the pressing is released, the tail end 163 of the elastic arm 161 is elastically restored. The trailing end 163 of the resilient arm 161 is provided with a first tab 164 and a second tab 165. The first protrusion 164 and the second protrusion 165 protrude from the elastic arm 161, and the second protrusion 165 protrudes from the first protrusion 164. The second bump 165 is located above the first bump 164, and the two bumps are spaced apart from each other. According to a preferred embodiment of the present invention, the second bump 165 is located directly above the first bump 164. The upper surface 166 of the resilient arm 161 is also provided with a third projection 167. The third bump 167 protrudes from the upper surface 166.

As shown in fig. 11 to 13, an end cap 110 is mounted to the end of the male connector housing 101. The end cap 110 is used to lock the connection terminal and prevent the connection terminal from falling off. The end cap 110 includes an end cap body 1101 and a slide groove 111. The overall shape and configuration of the end cap body 1101 is determined by the shape and configuration of the male connector housing 101. In the example shown, the surface of the end cap 110 is provided with a slide groove 111. The chute 111 is enclosed by a bottom wall 112 and two side walls 113. A pair of stops 114 are provided on the side walls 113. The pair of stoppers 114 protrude from the side wall 113 in opposite directions. A gap 115 is provided between stop block 114 and bottom wall 112. The gap 115 is used to accommodate the base 151 and allow the base 151 to move in the locking direction. The blocking piece 114 is provided with a first lateral blocking wall 116 and a second lateral blocking wall 117, respectively. The first lateral blocking wall 116 and the second lateral blocking wall 117 are respectively used for blocking the first projection 164 of the locking member 150 in the locking direction at the initial locking position and the final locking position, and limiting the forward movement of the locking member 150 in the locking direction. In the locking direction, the first lateral blocking wall 116 is arranged behind the second lateral blocking wall 117. A vertical blocking wall 118 is also provided on the blocking tab 114. The vertical blocking wall 118 is used for blocking the upward movement of the first projection 164 on the elastic arm 161. In the example shown, the vertical blocking wall 118 meets the first lateral blocking wall 116, which forms an inverted L-shape. At the second lateral blocking wall 117, the blocking piece 114 is provided with a through slot 119 which penetrates the blocking piece 114 up and down. The channel 119 is configured such that the first tab 164 can move upwardly along the channel 119 to reposition the resilient arm 161 when the locking member 150 reaches the final locking position. Each stop block 114 is also provided with a stop arm 131. Two blocking arms 131 project laterally towards each other over the blocking piece 114. The blocking arm 131 is located on the way of the forward movement of the third protrusion 167, and is used for traversing the third protrusion 167 when the locking member 150 is at the final locking position, so as to limit the locking member 150 to continue to move forward. The end cap 110 is further provided with a plurality of blocking protrusions to limit the lateral movement of the locking member 150. The blocking bumps include a first blocking bump 132 and a second blocking bump 133. The first protrusion 132 is disposed at the bottom of the sliding groove 111. The first blocking protrusion 132 cooperates with the fifth protrusion 155 to block the locking member 150 from moving backward in the initial locking position. The second blocking protrusion 133 is disposed on a side wall of the sliding groove 111, is disposed on a moving path of the fourth protrusion 157, and interferes with the fourth protrusion 157 during movement of the same. When the locking member 150 moves between the initial locking position and the final locking position, the fourth protrusion 157 interferes with the second blocking protrusion 133 to increase the feeling of the locking member 150 moving laterally.

As shown in fig. 2 to 7, when the locking member 150 is mounted on the end cap 110, the base 151 is disposed in the sliding groove 111 and is located in the gap 115 between the blocking block 114 and the bottom wall 112. The base 151 may move forward or backward unless restricted by a blocking structure. The first projection 164 of the resilient arm 161 is located below the stopper 114 and the second projection 165 is located above the stopper 114. As shown in fig. 4 and 5, in the initial locking position, the first protrusion 164 is located below the vertical blocking wall 118 and laterally behind the first lateral blocking wall 116, the vertical blocking wall 118 blocks the first protrusion 164 from moving upward, and the first lateral blocking wall 116 blocks the first protrusion 164 from moving forward in the locking direction. The first blocking protrusion 132 blocks the base 151 from moving backward. Pressing the tail end 163 of the elastic arm 161 downward moves the first protrusion 164 downward to avoid the first lateral blocking wall 116, and the first lateral blocking wall 116 no longer blocks the first protrusion 164 from moving forward. The locking member 150 is pushed forward until the final locking position is reached. As shown in fig. 6 and 7, in the final locking position, the head 162 of the elastic arm 161 is inserted below the locking spring 102 and abuts against the locking spring 102. After the final locking position is reached, the pressing on the elastic arm 161 is released, the elastic arm 161 is reset under the elastic action, the first lug 164 moves upwards along the through groove 119, and the second transverse blocking wall 117 blocks the first lug 164 from moving forwards. The first tab 164 is located in the through slot 119, and therefore, the through slot 119 can also block the first tab 164 from moving backward. The blocking arm 131 blocks the third protrusion 167 from moving forward. The second blocking protrusion 133 blocks the fourth protrusion 157 from moving backward. In the final locking position, the tail end 163 of the elastic arm 161 can be pressed to move downward, so that the first protrusion 164 avoids the blocking of the backward movement, and the locking member 150 can be retracted from the final locking position to the initial locking position. The base 151 is located between the stopper 114 and the bottom wall 112, and the stopper 114 and the bottom wall 112 always limit the vertical movement of the base 151.

The present invention provides a relative concept that "locking direction", "front", "back", "up", "down", "lateral" are used with reference to fig. 5. The lateral direction is a direction perpendicular to the paper surface with reference to fig. 5.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. A lock for locking a mating connector, the lock comprising:

a base having a first end and a second end along a locking direction; and

the head end of the elastic arm is connected to the base;

the tail end of the elastic arm is suspended and arranged elastically.

2. The locking member for locking a mating connector according to claim 1, wherein a second protrusion is further disposed on the elastic arm, the first protrusion and the second protrusion are both disposed at a rear end of the elastic arm, and the second protrusion is disposed above the first protrusion and spaced therefrom.

3. The lock member for locking a mating connector according to claim 2, wherein the second projection projects laterally from the first projection.

4. The lock member for locking a counterpart connector according to claim 2 or 3, wherein the first projection is located directly above the second projection.

5. The lock member for locking a counterpart connector according to claim 1, further comprising a third projection provided on and protruding from an upper surface of the elastic arm.

6. The locking member for locking a mating connector according to claim 1, wherein a fourth projection is provided on the base, the fourth projection being provided on and protruding laterally from a side wall of the base.

7. The locking member for locking a mating connector according to claim 1, wherein a fifth projection is provided on the base, and the fifth projection is provided on a lower surface of the base and protrudes downward from the lower surface of the base.

8. The locking member for locking a mating connector according to claim 7, wherein a groove is provided on a lower surface of the base, and the fifth projection is provided in the groove.

9. A connector end cap for mounting the latch of any of claims 1 to 8, comprising:

10. The connector end cap of claim 9, wherein the chute includes a bottom wall and two side walls; the side wall is provided with a blocking block protruding out of the side wall, and the first transverse blocking wall and the second transverse blocking wall are both arranged on the blocking block; a gap is formed between the stop block and the bottom wall.

11. The connector end cap of claim 9, wherein a stop tab is further disposed within the channel, the stop tab configured to limit movement of the locking member.

12. The connector end cap of claim 9, wherein a vertical blocking wall is further disposed on the end cap, the vertical blocking wall being configured to block upward movement of the locking member.

13. A connector end cap assembly, comprising:

the latch of any of claims 1 to 8; and

the connector end cap of any one of claims 9 to 12.

14. A connector, comprising:

a connector housing; and

the connector end cap assembly of claim 13;

15. The connector of claim 14, further comprising: a connection terminal; the connecting terminal is fixedly mounted on the connector housing.