Elastic contact connector structure and automobile wire harness

Abstract

The utility model provides an elastic contact connector structure and an automobile wire harness. The elastic contact connector structure comprises an elastic column assembly and an elastic contact assembly, the elastic column assembly comprises a double-end elastic piece, an installation cylinder and a movable column, a movable through hole is formed in the installation cylinder, and a limiting ring groove is further formed in the movable through hole. An annular limiting block is arranged on the peripheral wall of the movable column in a protruding mode and limits the movable column to move in the movable through hole, the double-end elastic piece comprises a first elastic piece and a second elastic piece which are arranged in the limiting annular groove, the first elastic piece and the second elastic piece are arranged in the movable column in a sleeving and abutting mode, and the pitch of the second elastic piece is smaller than that of the first elastic piece; the elastic contact assembly comprises a contact ring piece, a contact block and a buffer spring, one end of the buffer spring fixes the second fixing plate, the other end of the buffer spring is connected to the contact ring piece, and the contact ring piece abuts against the contact block. Due to the elastic pieces at the two ends, excessive extrusion on the contact ring pieces is reduced, the contact ring pieces can move when being stressed, and durability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile extension cables, in particular to an elastic contact connector structure and an automobile wiring harness. Background Art

[0002] Electronic devices on the car are connected to the control terminal of the car through connecting wires, and various connecting wires are connected together through connectors. When connecting, insert other plugs into the plug-in part of the connector, and the plug-in part is provided with a spring structure and an energized contact. The spring structure includes a connecting column and a compression spring inside. When the plug-in part is plugged in, the connecting column moves down, so that one end of the connecting column contacts the energized contact, so that the energized contact is energized. When the plug-in part is not plugged in, it is in a disconnected state, which improves the safety of the connector.

[0003] However, since the compression spring is a cylindrical coil spring, the operator cannot know that the connecting column has moved to the power-on stroke during plugging, so the operator has to insert the connector plug into the plug-in part with more force, which causes the connecting column to excessively squeeze the power-on contact, making the power-on contact easy to be damaged, as shown in the technical solution disclosed in the comparative document CN201620243904.1. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide an elastic contact connector structure and an automobile wiring harness which can sense the insertion force and prevent the energized contact piece from being excessively squeezed.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A resilient contact connector structure includes a cover assembly, a shell assembly, a resilient column assembly and a resilient contact assembly, wherein the shell assembly includes a first fixing plate, a second fixing plate and a mounting shell, wherein a mounting channel is provided in the mounting shell, wherein the first fixing plate is arranged in the mounting channel, wherein the first fixing plate divides the mounting channel into a plug-in cavity and a receiving cavity, wherein the second fixing plate is arranged in the receiving cavity,

[0007] The movable column assembly comprises a double-ended elastic member, a mounting cylinder and a movable column, the mounting cylinder is connected to the first fixing plate, the mounting cylinder is provided with a movable through hole, the movable through hole is also provided with a limiting ring groove, the peripheral wall of the movable column is convexly provided with an annular limit block, the movable column is penetrated by the movable through hole, the upper end of the movable column protrudes from the mounting cylinder and is located in the plug-in cavity, the lower end of the movable column protrudes from the mounting cylinder and is located in the accommodating cavity, the annular limit block is arranged in the limiting ring groove, the double-ended elastic member comprises a first elastic member and a second elastic member, the first elastic member and the second elastic member are both arranged in the limiting ring groove, the first elastic member is connected to the second elastic member and is sleeved on the movable column, one end of the first elastic member abuts against the annular limit block, one end of the second elastic member abuts against the bottom of the limiting ring groove, and the pitch of the second elastic member is smaller than the pitch of the first elastic member;

[0008] The elastic contact assembly includes a contact ring piece, a contact block and a buffer spring, one end of the buffer spring fixes the second fixing plate, the other end of the buffer spring is connected to the contact ring piece, and the contact ring piece abuts against the contact block.

[0009] In one embodiment, the elastic contact assembly further includes a positioning cylinder, the positioning cylinder is provided with a movable groove, the buffer spring is arranged in the movable groove, the contact ring piece is protrudingly provided with an abutment arm, the side wall of the positioning cylinder is provided with a sliding groove, the abutment arm is passed through the sliding groove, and one end of the abutment arm abuts against the contact block.

[0010] In one embodiment, the elastic contact connector structure also includes a positioning piece, a positioning hole is opened in the center of the movable column, a through hole is opened in the center of the contact ring piece, the positioning piece is connected to the second fixed plate, the positioning piece is sequentially passed through the buffer spring and the through hole, and the positioning piece is embedded in the positioning hole.

[0011] In one embodiment, the elastic contact connector structure further includes a sealing cover, and the sealing cover is disposed on the mounting shell.

[0012] In one embodiment, the elastic contact connector structure further includes a locking assembly, and the locking assembly is connected to the mounting shell.

[0013] In one embodiment, the locking assembly includes a locking member and a sealing ring, the locking member is connected to the mounting shell, the locking member is provided with a wire passing channel, the wire passing channel is connected to the accommodating cavity, and the sealing ring is installed in the wire passing channel.

[0014] In one embodiment, the elastic contact connector structure also includes a pin assembly, which includes a terminal and a plug-in connecting wire. The first fixed plate is provided with a plug-in hole, the terminal is installed in the plug-in hole, and both ends of the plug-in connecting wire are respectively connected to the terminal and the contact block.

[0015] In one embodiment, there are multiple terminals and multiple plug-end connecting wires, and multiple plug-end connecting wires are connected to the contact block.

[0016] In one embodiment, the second fixing plate is further provided with a wire passing hole.

[0017] An automobile wiring harness comprises the elastic contact connector structure described in any of the above embodiments.

[0018] Compared with the prior art, the utility model has at least the following advantages:

[0019] 1. The elastic contact connector structure and the automotive wiring harness described above are connected to the movable column through the first elastic member and the second elastic member with different pitches. The first elastic member becomes smaller in pitch and the energy storage increases as it is compressed. When the first elastic member and the second elastic member with a small pitch jointly contact the movable column, the force on the operator holding the installation shell suddenly increases, and the operator senses that the contact block is in an energized state, so that the operator stops squeezing the movable column in time, thereby reducing the excessive squeezing of the contact ring piece, thereby improving the service life of the elastic contact connector structure;

[0020] 2. The contact ring is connected to a buffer spring so that the contact ring can move when subjected to force, thereby providing the contact ring with stroke protection, thereby preventing the contact ring from being excessively squeezed and improving the durability of the elastic contact connector structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic structural diagram of an elastic contact connector structure according to an embodiment;

[0023] Figure 2 for Figure 1 A schematic structural diagram of the elastic column assembly shown;

[0024] Figure 3 for Figure 1 Schematic diagram of the structure of the elastic contact component shown. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly and comprehensively understood.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] In order to better understand the technical solutions and beneficial effects of the present application, the present application is further described in detail below in conjunction with specific embodiments:

[0029] like Figure 1 and Figure 2 As shown, an elastic contact connector structure 10 of an embodiment includes a shell component 100, an elastic column component 200 and an elastic contact component 300. The shell component 100 includes a first fixing plate 110, a second fixing plate 120 and a mounting shell 130. A mounting channel 1301 is opened in the mounting shell 130. The first fixing plate 110 is arranged in the mounting channel 1301. The first fixing plate 110 divides the mounting channel 1301 into a plug-in cavity 1302 and a accommodating cavity 1303. The plug-in cavity 1302 is used for plugging with a plug of another connector, and the accommodating cavity 1303 is used for installing components of a circuit structure. The second fixing plate 120 is arranged in the accommodating cavity 1303, and the components of the circuit structure can be fixed on the second fixing plate 120.

[0030] Furthermore, the elastic column assembly 200 includes a double-ended elastic member 210, a mounting cylinder 220 and a movable column 230. The mounting cylinder 220 is connected to the first fixed plate 110. A movable through hole 2201 is provided in the mounting cylinder 220. A limiting ring groove 2202 is also provided in the movable through hole 2201. A ring-shaped limiting block 231 is protruded from the peripheral wall of the movable column 230. The movable column 230 is penetrated through the movable through hole 2201. The upper end of the movable column 230 protrudes The mounting cylinder 220 is located in the plug-in cavity 1302, the lower end of the movable column 230 protrudes from the mounting cylinder 220 and is located in the accommodating cavity 1303, the annular limit block 231 is arranged in the limit ring groove 2202, the annular limit block 231 limits the sliding position of the movable column 230 in the limit ring groove 2202, the double-end elastic member 210 includes a first elastic member 211 and a second elastic member 212, and the first elastic member 211 and the second elastic member 212 are both arranged in the limit ring groove 2202. The first elastic member 211 is connected to the second elastic member 212 and is sleeved on the movable column 230 in the positioning ring groove 2202. One end of the first elastic member 211 abuts against the annular limit block 231, and one end of the second elastic member 212 abuts against the bottom of the limit ring groove 2202. The pitch of the second elastic member 212 is smaller than the pitch of the first elastic member 211. The energy storage of the first elastic member 211 and the second elastic member 212 is different. The first elastic member 211 with a large pitch is large in compression deformation, and the second elastic member 212 is small in compression deformation force. The elastic contact component 300 includes a contact ring sheet 310, a contact block 320 and a buffer spring 330. One end of the buffer spring 330 is fixed to the second fixed plate 120, and the other end of the buffer spring 330 is connected to the contact ring sheet 310. The contact ring sheet 310 can compress the buffer spring 330 when subjected to force, so that the position of the contact ring sheet 310 can change, and the contact ring sheet 310 abuts against the contact block 320.

[0031] In this embodiment, when the plug is not plugged in, the first elastic member 211 and the second elastic member 212 abut against the annular limit block 231, so that the annular limit block 231 abuts against the top of the movable through hole 2201, the upper end of the movable column 230 protrudes out of the mounting cylinder 220 and is located in the plug-in cavity 1302, the lower end of the movable column 230 does not contact the contact ring piece 310, the contact ring piece 310 is supported at the highest point by the buffer spring 330, the contact ring piece 310 does not abut against the contact block 320, and the contact block 320 is in a power-off state. When the plug is inserted, the movable column 230 is abutted and slides downward, and the first elastic member 211 is forced to shrink. When the first elastic member 211 shrinks to a smaller pitch, the movable column 230 slides and contacts the contact ring piece 310, and the contact ring piece 310 abuts the contact block 320. The contact block 320 is in a powered state. When the plug is continued to be inserted, the pitch between the first elastic member 211 and the second elastic member 212 is smaller, and the operator needs a greater force to press and hold. The movable column 230 can abut the contact ring piece 310 to compress the buffer spring 330, and the contact ring piece 310 can continue to move.

[0032] The above-mentioned elastic contact connector structure 10 is abutted against the movable column 230 by the first elastic member 211 and the second elastic member 212 of different pitches. The first elastic member 211 becomes smaller and the energy storage increases as the compression pitch decreases. When the first elastic member 211 and the second elastic member 212 with a small pitch jointly abut the movable column 230, the force applied to the operator holding the mounting shell 130 suddenly increases, and the operator senses that the contact block 320 is in the energized state, so that the operator stops squeezing the movable column 230 in time, thereby reducing the excessive squeezing of the contact ring piece 310, thereby improving the service life of the elastic contact connector structure 10; the contact ring piece 310 is connected to the buffer spring 330, so that the contact ring piece 310 can move when subjected to force, so that the contact ring piece 310 obtains stroke protection, so that the contact ring piece 310 is not excessively squeezed, thereby improving the durability of the elastic contact connector structure 10.

[0033] like Figure 1 As shown, in one embodiment, the elastic contact assembly 300 further includes a positioning cylinder 340, the positioning cylinder 340 is provided with a movable groove 3401, the buffer spring 330 is arranged in the movable groove 3401, the contact ring piece 310 is convexly provided with an abutment arm 311, the side wall of the positioning cylinder 340 is provided with a sliding groove 3402, the abutment arm 311 is penetrated in the sliding groove 3402, and one end of the abutment arm 311 abuts against the contact block 320. In this embodiment, the positioning cylinder 340 guides the contact ring piece 310 to slide in the movable groove 3401, reduces the shaking of the contact ring piece 310, and thus reduces the deformation of the buffer spring 330.

[0034] like Figure 1 As shown, in one embodiment, the elastic contact connector structure 10 further includes a positioning member 400, a positioning hole 2301 is provided at the center of the movable column 230, a through hole 3101 is provided at the center of the contact ring sheet 310, the positioning member 400 is connected to the second fixed plate 120, the positioning member 400 is sequentially penetrated through the buffer spring 330 and the through hole 3101, and the positioning member 400 is embedded in the positioning hole 2301. In this embodiment, the positioning member 400 fixes the sliding direction of the movable column 230, so that the movable column 230 can slide smoothly in the movable through hole 2201.

[0035] like Figure 1 As shown, in one embodiment, the elastic contact connector structure 10 further includes a sealing cover 500, which is disposed on the mounting shell 130. In this embodiment, when the elastic contact connector structure 10 is not plugged in, the sealing cover 500 seals the plug-in cavity 1302, thereby preventing water vapor from entering and corroding the internal components.

[0036] like Figure 1As shown, in one embodiment, the elastic contact connector structure 10 further includes a locking assembly 600, and the locking assembly 600 is connected to the mounting shell 130. In this embodiment, when the elastic contact connector structure 10 is loaded with a connecting wire, the connecting wire first passes through the locking assembly 600 and is connected to the accommodating cavity 1303. The locking assembly 600 is connected to one end of the mounting shell 130 adjacent to the accommodating cavity 1303, and the locking assembly 600 can fix the connecting wire and seal the accommodating cavity 1303.

[0037] like Figure 1 As shown, in one embodiment, the locking assembly 600 includes a locking member 610 and a sealing ring 620. The locking member 610 is connected to the mounting shell 130. The locking member 610 is provided with a wire-passing channel 6101. The wire-passing channel 6101 is connected to the accommodating chamber 1303. The sealing ring 620 is installed in the wire-passing channel 6101. In this embodiment, the sealing ring 620 is a silicone member. When the locking member 610 is connected to the mounting shell 130, the sealing ring 620 in the wire-passing channel 6101 is squeezed and deformed, thereby reducing the gap of the wire-passing channel 6101, thereby improving the sealing performance of the wire-passing channel 6101.

[0038] like Figure 1 As shown, in one embodiment, the elastic contact connector structure 10 further includes a pin assembly 700, the pin assembly 700 includes a terminal 710 and a plug-end connection line 720, the first fixing plate 110 is provided with a plug-end hole 1101, the terminal 710 is installed in the plug-end hole 1101, and the two ends of the plug-end connection line 720 are respectively connected to the terminal 710 and the contact block 320. In this embodiment, when the terminal 710 is connected to the plug of other connectors, the current can enter the other connectors through the contact block 320, the plug-end connection line 720 and the terminal 710 in sequence.

[0039] like Figure 1 As shown, in one embodiment, the number of terminals 710 and plug-end connecting wires 720 is multiple, and the multiple plug-end connecting wires 720 are all connected to the contact block 320. In this embodiment, the multiple terminals 710 can be adapted to install connectors with multiple strands of wire cores, thereby adapting to elastic contact connector structures 10 of different specifications.

[0040] like Figure 1 As shown, in one embodiment, the second fixing plate 120 is further provided with a wire hole 1201. In this embodiment, the wire hole 1201 can be used to pass a connecting wire, so that the connecting wire can pass through the second fixing plate 120 and be connected to the circuit element in the accommodating cavity 1303.

[0041] An automobile wiring harness comprises the elastic contact connector structure 10 described in any one of the above embodiments. In this embodiment, the elastic contact connector structure 10 prevents the internal contact ring piece 310 from being excessively squeezed when the automobile wiring harness is plugged in, thereby improving the durability of the automobile wiring harness.

[0042] Compared with the prior art, the utility model has at least the following advantages:

[0043] 1. The elastic contact connector structure 10 and the automotive wiring harness are abutted against the movable column 230 through the first elastic member 211 and the second elastic member 212 with different pitches. The first elastic member 211 becomes smaller and the energy storage increases as the compression pitch decreases. When the first elastic member 211 and the second elastic member 212 with a small pitch abut against the movable column 230 together, the force on the operator holding the mounting shell 130 suddenly increases, and the operator senses that the contact block 320 is in an energized state, so that the operator stops squeezing the movable column 230 in time, thereby reducing the excessive squeezing of the contact ring piece 310, thereby improving the service life of the elastic contact connector structure 10;

[0044] 2. The contact ring piece 310 is connected to the buffer spring 330 , so that the contact ring piece 310 can move when subjected to force, so that the contact ring piece 310 obtains stroke protection, so that the contact ring piece 310 is over-extended, thereby improving the durability of the elastic contact connector structure 10 .

[0045] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An elastic contact connector structure, comprising a cover assembly, a shell assembly, an elastic column assembly and an elastic contact assembly, wherein the shell assembly comprises a first fixing plate, a second fixing plate and a mounting shell, wherein a mounting channel is provided in the mounting shell, wherein the first fixing plate is arranged in the mounting channel, wherein the first fixing plate divides the mounting channel into a plug-in cavity and a receiving cavity, wherein the second fixing plate is arranged in the receiving cavity, wherein the first ... The movable column assembly comprises a double-ended elastic member, a mounting cylinder and a movable column, the mounting cylinder is connected to the first fixing plate, the mounting cylinder is provided with a movable through hole, the movable through hole is also provided with a limiting ring groove, the peripheral wall of the movable column is convexly provided with an annular limit block, the movable column is penetrated by the movable through hole, the upper end of the movable column protrudes from the mounting cylinder and is located in the plug-in cavity, the lower end of the movable column protrudes from the mounting cylinder and is located in the accommodating cavity, the annular limit block is arranged in the limiting ring groove, the double-ended elastic member comprises a first elastic member and a second elastic member, the first elastic member and the second elastic member are both arranged in the limiting ring groove, the first elastic member is connected to the second elastic member and is sleeved on the movable column, one end of the first elastic member abuts against the annular limit block, one end of the second elastic member abuts against the bottom of the limiting ring groove, and the pitch of the second elastic member is smaller than the pitch of the first elastic member; The elastic contact assembly includes a contact ring piece, a contact block and a buffer spring, one end of the buffer spring fixes the second fixing plate, the other end of the buffer spring is connected to the contact ring piece, and the contact ring piece abuts against the contact block.

2. The elastic contact connector structure according to claim 1, characterized in that: The elastic contact assembly also includes a positioning cylinder, the positioning cylinder is provided with a movable groove, the buffer spring is arranged in the movable groove, the contact ring is protruding with an abutment arm, the side wall of the positioning cylinder is provided with a sliding groove, the abutment arm is penetrated by the sliding groove, and one end of the abutment arm abuts against the contact block.

3. The elastic contact connector structure according to claim 1, characterized in that: The elastic contact connector structure also includes a positioning piece, a positioning hole is opened at the center of the movable column, a through hole is opened at the center of the contact ring sheet, the positioning piece is connected to the second fixing plate, the positioning piece is sequentially passed through the buffer spring and the through hole, and the positioning piece is embedded in the positioning hole.

4. The elastic contact connector structure according to claim 1, characterized in that: The elastic contact connector structure further comprises a sealing cover, and the sealing cover is disposed on the mounting shell.

5. The elastic contact connector structure according to claim 1, characterized in that: The elastic contact connector structure further includes a locking assembly, and the locking assembly is connected to the mounting shell.

6. The elastic contact connector structure according to claim 5, characterized in that: The locking assembly includes a locking member and a sealing ring. The locking member is connected to the mounting shell. The locking member is provided with a wire passing channel. The wire passing channel is connected to the accommodating cavity. The sealing ring is installed in the wire passing channel.

7. The elastic contact connector structure according to claim 1, characterized in that: The elastic contact connector structure also includes a pin assembly, which includes a terminal and a plug-in connecting wire. The first fixing plate is provided with a plug-in hole, the terminal is installed in the plug-in hole, and both ends of the plug-in connecting wire are respectively connected to the terminal and the contact block.

8. The elastic contact connector structure according to claim 7, characterized in that: The number of the terminals and the plug-end connecting wires is multiple, and the multiple plug-end connecting wires are all connected to the contact block.

9. The elastic contact connector structure according to claim 1, characterized in that: The second fixing plate is also provided with a wire passing hole.

10. An automotive wiring harness, characterized in that: The elastic contact connector structure comprises the elastic contact connector structure as claimed in any one of claims 1 to 9.

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