CN221552259U - Air tightness joint of electric automobile wire harness - Google Patents
Air tightness joint of electric automobile wire harness Download PDFInfo
- Publication number
- CN221552259U CN221552259U CN202322738877.8U CN202322738877U CN221552259U CN 221552259 U CN221552259 U CN 221552259U CN 202322738877 U CN202322738877 U CN 202322738877U CN 221552259 U CN221552259 U CN 221552259U
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- China
- Prior art keywords
- wire harness
- electric automobile
- terminal
- reed
- internal thread
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 32
- 229920001971 elastomer Polymers 0.000 claims abstract description 10
- 244000273256 Phragmites communis Species 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses an airtight connector of an electric automobile wire harness, which comprises the wire harness and a terminal, wherein the inner surface of the terminal is provided with a second internal thread, and the terminal is connected with a short pipe through the second internal thread. The utility model belongs to the technical field of automobile wire harness joints, and aims to solve the problems that in the prior art, a plastic shell is extruded at a joint, a waterproof effect is realized by utilizing the tight combination of the plastic shell and a wire harness, but in the installation and use process, the joint is easy to generate gaps at the joint part of the plastic shell and the wire harness due to bending or vibration and the like, so that poor air tightness is caused, and the waterproof effect of the wire harness joint and the safety of an electric automobile are affected. The technical effects achieved are as follows: the wiring harness is installed through two layers of threads of the screw rod and the short pipe, the installation is tight, the two layers of threads are opposite to form interlocking, the short pipe is not easy to loosen in installation, the screw rod and the nut are rotated, the screw rod presses the reed to enable the reed to expand outwards, so that the inside of the multi-layer rubber ring compacting terminal is provided with better air tightness.
Description
Technical Field
The utility model relates to the technical field of automobile wire harness connectors, in particular to an airtight connector of an electric automobile wire harness.
Background
The electric automobile is a vehicle which adopts a power battery as a power source, drives the vehicle to run through a motor and meets various requirements of road traffic and safety regulations. As a new type of vehicle, electric vehicles have many advantages such as zero emission, low noise, high efficiency, energy saving, etc. Meanwhile, electric automobiles have some limitations, such as problems of endurance mileage, charging facilities, battery life, and the like. Electric vehicles can be classified into lithium ion battery electric vehicles, lead acid battery electric vehicles, and the like according to the types of power batteries. The lithium ion battery electric automobile has the advantages of high energy density, low self-discharge rate, long service life and the like, and is the main flow direction of the existing electric automobile. The lead-acid battery electric automobile has the advantages of low price, convenient maintenance and the like, but has lower energy density and higher self-discharge rate. The driving system of the electric automobile mainly comprises a motor, a controller, a transmission and other parts. The motor is a power output device of the electric automobile, the controller is a control system of the motor, and the transmission is a component for adjusting the speed and the acceleration of the automobile. Advantages of electric vehicles include zero emission, low noise, high efficiency, energy conservation, etc. The electric automobile has no exhaust emission and has small influence on the environment; meanwhile, the electric automobile has lower noise and is suitable for running in cities; in addition, the energy efficiency of the electric automobile is higher, and the energy can be saved. However, electric vehicles also have some limitations. Firstly, the endurance mileage of the electric automobile is relatively short, and the electric automobile can generally only run about 200 km; secondly, the charging facilities of the electric automobile are not perfect, and the charging time is long; finally, battery life of electric vehicles is also a problem, requiring periodic battery replacement, increasing maintenance costs. In summary, electric vehicles have many advantages and limitations as a new type of vehicle.
The safety of electric automobile has been paid attention to, and current automobile engine pencil interface has mostly all been done waterproof treatment, under the limited unable sealed joint's of adoption of installation space condition, the mode of adopting generally is that the extrusion plastic casing of joint department realizes the water proof effects with the inseparable combination of pencil, but in the installation use, because the very easy plastic casing and the pencil joint portion that lead to the joint of bending or vibrations etc. produce the space, lead to the gas tightness bad, influence the water proof effects and the safety of electric automobile of pencil joint.
Disclosure of utility model
Therefore, the utility model provides an airtight joint of an electric automobile wire harness, which solves the problems in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
according to the first aspect of the utility model, the airtight joint of the electric automobile wire harness comprises the wire harness and the terminal, wherein the terminal is of a circular tube-shaped structure, the inner surface of the terminal is provided with the second internal thread, the terminal is connected with the short tube through the second internal thread, the outer surface of the short tube is provided with the external thread, and the external thread is matched with the second internal thread.
Further, an opening is formed in the center of the short pipe, and an internal thread I is arranged in the opening and is connected with a screw rod.
Further, a groove is formed in the bottom of the side wall of the short tube, the groove is of a circular ring structure, and the inner circumference of the groove is uniformly inserted into the connecting reed.
Further, the reed is of a sheet-shaped long rod structure, a protrusion is arranged at the top of the reed, and the outer surface of the protrusion is abutted against the groove.
Further, the number of the spring leaves is four, the bottoms of the four spring leaves are fixedly connected with the connecting rod, and the connecting rod is of a cross-shaped structure.
Further, the top surface of the connecting rod is fixedly connected with the bottom of the screw rod, a nut is fixedly arranged at the top of the screw rod, and the top of the screw rod is fixedly connected with a wire harness.
Further, the top of the short pipe is fixedly provided with a bolt head, and the screw rod penetrates through the bolt head and extends to the lower part of the bolt head.
Further, the outer surfaces of the four reeds are uniformly sleeved with rubber rings from bottom to top.
The utility model has the following advantages: the wiring harness is installed through two layers of threads of the screw rod and the short pipe, the installation is tight, the two layers of threads are opposite to form interlocking, the short pipe is not easy to loosen in installation, the screw rod and the nut are rotated, the screw rod presses the reed to enable the reed to expand outwards, so that the inside of the multi-layer rubber ring compacting terminal is provided with better air tightness.
Drawings
Fig. 1 is a perspective view of an airtight joint of an electric automobile wire harness.
Fig. 2 is a perspective view of a short tube structure of an airtight joint of an electric automobile wire harness.
Fig. 3 is a perspective view of a reed structure of an airtight joint of an electric automobile wire harness.
Fig. 4 is a terminal perspective view of an airtight joint of an electric automobile wire harness provided by the utility model.
In the figure: 1. the wire harness, 11, nut, 12, screw one, 21, bolt head, 22, short pipe, 221, external thread, 23, groove, 24, opening, 241, internal thread, 31, reed, 311, protrusion, 32, rubber ring, 33, connecting rod, 41, terminal, 42, internal thread.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, an airtight joint for an electric automobile wire harness according to an embodiment of the present utility model includes a wire harness 1 and a terminal 41, the terminal 41 is of a circular tubular structure, an internal thread two 42 is provided on an inner surface of the terminal 41, the terminal 41 is connected with a short pipe 22 through the internal thread two 42, an external thread 221 is provided on an outer surface of the short pipe 22, and the external thread 221 and the internal thread two 42 are matched with each other;
In the above embodiment, the connecting wire harness 1 is inserted into the terminal 41, the terminal 41 and the short tube 22 are screwed by the second internal thread 42 and the external thread 221, and the terminal 41, the short tube 22, the second internal thread 42 and the external thread 221 are made of stainless steel metal alloy, and have a firm and durable texture;
Example 2
As shown in fig. 1 to 4, an airtight joint of an electric automobile wire harness includes the whole content of embodiment 1, in addition, an opening 24 is formed in the center of the short tube 22, an internal thread one 241 is formed in the opening 24, and the internal thread one 241 is in threaded connection with a screw 12;
In the above embodiment, it should be noted that, the first internal thread 241 and the screw 12 are made of insulating neoprene, and are wear-resistant, have a large friction force, and are not easy to be damaged, and the air tightness is better when the screw 12 is in threaded connection with the first internal thread 241;
Example 3
As shown in fig. 1 to 4, an airtight joint of an electric automobile wire harness includes the whole content of embodiment 2, in addition, a groove 23 is formed at the bottom of the side wall of the short tube 22, the groove 23 is in a circular ring structure, and a connection reed 31 is uniformly inserted into the inner circumference of the groove 23;
In the above embodiment, it should be noted that the reed 31 has a copper sheet structure, the top of the reed 31 is inserted and linked in the groove 23, and the length of the reed 31 is consistent with the length of the screw 12.
Example 4
As shown in fig. 1 to 4, an airtight joint of an electric automobile wire harness includes the whole contents of embodiment 3, in addition, the reed 31 is of a sheet-shaped long rod structure, a protrusion 311 is provided at the top of the reed 31, and the outer surface of the protrusion 311 abuts against the groove 23;
In the above embodiment, it should be noted that the protrusion 311 is inserted into the groove 23, and the thickness of the protrusion 311 is identical to the width of the groove 23, and the protrusion 311 can rotate in the groove 23 when the screw 12 rotates;
Example 5
As shown in fig. 1 to 4, an airtight joint of an electric automobile wire harness includes the whole content of embodiment 4, in addition, four reed 31 are provided, the bottoms of four reed 31 are fixedly connected with the connecting rod 33, and the connecting rod 33 has a cross structure;
In the above embodiment, it should be noted that, the connecting rod 33 has a cross structure, the top surfaces of the four end portions of the connecting rod 33 are fixedly connected with the reed 31, when the screw 12 is screwed by the internal thread 241, the reed 31 moves along the axial direction of the screw 12, when the screw 12 moves upwards, the reed 31 is pressed to protrude radially outwards of the screw 12, and presses the inner wall of the terminal 41, and the protrusion 311 can prevent the top of the reed 31 from falling out of the groove 23;
Example 6
As shown in fig. 1 to 4, an airtight joint of an electric automobile wire harness includes the whole contents of embodiment 5, in addition, the top surface of the connecting rod 33 is fixedly connected with the bottom of the screw 12, the top of the screw 12 is fixedly provided with a nut 11, and the top of the screw 12 is fixedly connected with a wire harness 1;
In the above embodiment, it should be noted that, the internal line of the wire harness 1 extends through the entire screw 12 and extends to the bottom of the screw 12, and is fixedly connected to the port after the screw 12 is inserted into the terminal 41, the wire harness line inside the screw 12 is rotationally connected to the inside of the screw 12, and when the screw 12 is screwed and moved by the internal thread 241, the connection between the wire harness 1 and the port 41 is not disconnected;
Example 7
As shown in fig. 1 to 4, an airtight joint of an electric automobile wire harness includes the whole contents of embodiment 6, in addition, a bolt head 21 is fixedly installed on top of the short tube 22, and the screw 12 penetrates the bolt head 21 and extends below the bolt head 21;
In the above embodiment, it should be noted that, the nut 11 is turned, and the screw 12 is fixedly connected with the bolt head 21 at the top of the short tube 22 by the external thread of the screw 12;
Example 8
As shown in fig. 1 to 4, an airtight joint of an electric automobile wire harness includes the whole contents of example 7, and in addition, four outer surfaces of the reed 31 are uniformly sleeved with a rubber ring 32 from bottom to top;
in the above embodiment, when the screw 12 moves upward, the reed 31 is pressed to protrude radially outward of the screw 12, and presses the inner wall of the rubber ring 32, so that the inside of the terminal is pressed by the rubber ring 32 in multiple layers, and the air tightness is good;
Working principle: the wiring harness 1 is in threaded connection with the terminal 41 through the external thread 221 of the short pipe 22, then the screw rod 12 is rotated, when the screw rod 12 is in threaded rotation through the internal thread 241, the reed 31 is pressed to be protruded to the radial outer side of the screw rod 12 when the screw rod 12 moves upwards, the inner wall of the terminal 41 is extruded, the inner wall of the rubber ring 32 is extruded, the multi-layer rubber ring 32 is compressed inside the terminal, the air tightness is good, and the protrusion 311 can prevent the top of the reed 31 from being separated from the groove 23. The internal circuit of the wire harness 1 penetrates the whole screw rod 12 and extends to the bottom of the screw rod 12, the wire harness is fixedly connected with the port after the screw rod 12 is inserted into the terminal 41, the wire harness circuit inside the screw rod 12 is rotationally connected with the screw rod 12, and when the screw rod 12 is rotated and moved through the internal thread one 241, the connection between the wire harness 1 and the port 41 is not disconnected. And then the nut 11 is rotated, the screw 12 is fixedly connected with the bolt head 21 at the top of the short tube 22 through the external thread of the screw 12, and the installation is fastened.
Claims (8)
1. The utility model provides an electric automobile pencil's gas tightness connects, includes terminal (41), terminal (41) are pipe column structure, the internal surface of terminal (41) is equipped with internal thread two (42), its characterized in that, terminal (41) are through internal thread two (42) screw thread junction nozzle (22), the surface of nozzle (22) is equipped with external screw thread (221), external screw thread (221) with internal thread two (42) mutually match.
2. The airtight joint of an electric automobile wire harness according to claim 1, wherein an opening (24) is formed in the center of the short tube (22), an internal thread one (241) is arranged in the opening (24), and the internal thread one (241) is in threaded connection with the screw (12).
3. The airtight joint of an electric automobile wire harness according to claim 2, wherein a groove (23) is formed in the bottom of the side wall of the short tube (22), the groove (23) is of a circular ring structure, and connecting reeds (31) are uniformly inserted into the inner circumference of the groove (23).
4. An airtight joint of an electric automobile wire harness according to claim 3, wherein the reed (31) is of a sheet-shaped long rod structure, a protrusion (311) is arranged at the top of the reed (31), and the outer surface of the protrusion (311) is abutted against the groove (23).
5. The airtight joint of an electric automobile wire harness according to claim 4, wherein the number of the reed (31) is four, the bottoms of the four reed (31) are fixedly connected with the connecting rod (33), and the connecting rod (33) is of a cross-shaped structure.
6. The airtight joint of an electric automobile wire harness according to claim 5, wherein the top surface of the connecting rod (33) is fixedly connected with the bottom of the screw rod (12), the top of the screw rod (12) is fixedly provided with a nut (11), and the top of the screw rod (12) is fixedly connected with the wire harness (1).
7. The airtight joint of an electric automobile wire harness according to claim 6, wherein a bolt head (21) is fixedly installed on top of the short tube (22), and the screw (12) penetrates through the bolt head (21) and extends to below the bolt head (21).
8. The airtight joint of an electric automobile wire harness according to claim 7, wherein the outer surfaces of the four reeds (31) are uniformly sleeved with rubber rings (32) from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322738877.8U CN221552259U (en) | 2023-10-12 | 2023-10-12 | Air tightness joint of electric automobile wire harness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322738877.8U CN221552259U (en) | 2023-10-12 | 2023-10-12 | Air tightness joint of electric automobile wire harness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221552259U true CN221552259U (en) | 2024-08-16 |
Family
ID=92258361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322738877.8U Active CN221552259U (en) | 2023-10-12 | 2023-10-12 | Air tightness joint of electric automobile wire harness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221552259U (en) |
-
2023
- 2023-10-12 CN CN202322738877.8U patent/CN221552259U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |