CN218569255U - Electric connector and electric connection structure - Google Patents
Electric connector and electric connection structure Download PDFInfo
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- CN218569255U CN218569255U CN202222451395.XU CN202222451395U CN218569255U CN 218569255 U CN218569255 U CN 218569255U CN 202222451395 U CN202222451395 U CN 202222451395U CN 218569255 U CN218569255 U CN 218569255U
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Abstract
The utility model discloses an electric connector and electric connection structure, be in including this body section and formation flat section on the body section, the both ends of this body section are provided with the grafting chamber, the longitudinal dimension in this body section cross-section is greater than the longitudinal dimension in flat section cross-section. The both ends of this body section are provided with the grafting chamber, and the conductive device is pegged graft and is connected with the body section electricity in the grafting chamber, and the flat section also can be connected with the conductive device electricity, and the setting of this structure can realize multiloop connection, connects simply convenient to use.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an electric connector and an electric connection structure.
Background
Along with the improvement of requirements of people on safety, comfort, economy and emission of automobiles, automobile wire harnesses become more and more complex, the wire harness usage is also greatly increased, the price of copper wires is about 3.5 times that of aluminum wires, the weight of aluminum wires can be saved by more than 50% compared with copper wires under the condition of the same current carrying capacity, and the mass application of the aluminum wires in the wire harness field is a future trend.
In addition, the client has more and more requirements on the functions of the electric appliances, and the single-loop wire harness is required to be developed to the multi-loop wire harness.
Therefore, an electrical structure with multiple loops is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric connector and electric connection structure have solved the new technical scheme who needs a plurality of return circuits among the background art.
An electric connector comprises a body section and flat sections formed on the body section, wherein plug-in cavities are formed in two ends of the body section, and the longitudinal size of the section of the body section is larger than that of the flat sections.
Preferably, the flat section is a body section flattening forming device.
Preferably, the transition section is connected with the flat section and is in transition connection with the body section along the axial direction.
Preferably, a stud is connected to the flat section.
Preferably, the flat section is provided with a connecting through hole.
Preferably, the body section is made of aluminum.
Preferably, the ratio of the thickness of the flattened section to the outer diameter of the body section is in the range of 0.1-0.5.
Preferably, the ratio of the width of the flattened section to the outer diameter of the body section is in the range of 0.4-2.1.
Preferably, the ratio of the length direction of the flat section to the length of the electrical connector ranges from 0.1 to 0.6.
Preferably, the body section includes a first body section and a second body section, the first body section having an axis extending in a direction different from the direction in which the axis of at least one of the flattened section and the second body section extends.
Preferably, the included angle between the axis of the first body segment and the axis of the second body segment is 90-180 degrees.
Preferably, the body segment includes a first body segment and a second body segment, and an extension direction of the first body segment axis is parallel to an extension direction of at least one of the flat segment and the second body segment axis.
Preferably, the first body section axis coincides with the axis of the second body section.
Preferably, the connecting through hole is provided at a central position of the flat section.
The utility model also provides an electric connection structure, include as above electric connector and electric installation, this body section with the flat section respectively with the electric installation electricity is connected.
Preferably, the conductive device is a wire, and the wire includes a guide core, and the guide core is inserted into the insertion cavity and connected with the body section in a crimping manner or in a welding manner.
Preferably, the conductive device is a wire, and the wire comprises a conductive core, and the conductive core is connected with the flat section in a crimping manner or in a welding manner.
Preferably, the conductive device comprises a terminal and a lead which are electrically connected, the terminal is provided with a terminal mounting hole, the flat section is connected with a stud, and the terminal and the flat section are in threaded connection through the stud.
Preferably, the conducting device comprises a terminal and a conducting wire which are electrically connected, a connecting column is arranged on the terminal, a connecting through hole is formed in the flat section, and the terminal and the flat section are in threaded connection through the connecting column.
According to the utility model discloses following technological effect has:
1. the both ends of this body section are provided with the grafting chamber, and the conductive device is pegged graft and is connected with the body section electricity in the grafting chamber, and the flat section also can be connected with the conductive device electricity, and the setting of this structure can realize multiloop connection, connects simply convenient to use. The invention realizes the series connection, parallel connection or mixed connection among a plurality of electric appliances by the minimum wiring space, and the body section or the flat section can be respectively and electrically connected with the conductive device according to the requirement of a customer, and the conductive device can be an aluminum wire or an aluminum terminal, a copper wire or a copper terminal, so that the electrical connection of the plurality of electric appliances becomes simpler and more reliable.
2. The whole aluminium material that adopts of body section constitutes, can save the cost, alleviates the produced weight of car wiring, satisfies the lightweight design demand of car.
3. The axial lead of the first body section and the axial lead of the second body section have a certain included angle. According to the design of the structure, when the body section is electrically connected with the conductive device, the outgoing line direction part extends along the same direction all the time, but has a certain inclined running direction for wiring. The installation space required by the design of the structure is greatly reduced, and the problem of difficult wire outgoing under the condition of small space in an automobile can be solved.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic perspective view of an electrical connector according to the present invention;
fig. 2 is a schematic perspective view of the electrical connection structure of the present invention;
FIG. 3 is a front view of the electrical connector of the present invention with a connecting through hole;
FIG. 4 is a schematic view of the connection structure of the electrical connector and the screw according to the present invention;
FIG. 5 is a schematic view of the connection structure of the electrical connector and the terminal of the present invention;
FIG. 6 is a cross-sectional view of an embodiment of the electrical connector of the present invention;
FIG. 7 is a cross-sectional view of another embodiment of the electrical connector of the present invention;
fig. 8 is a cross-sectional view of yet another embodiment of the electrical connector of the present invention.
The figures are labeled as follows:
1. a body section; 2. a flat section; 3. an insertion cavity; 4. a transition section; 5. a stud; 6. a connecting through hole; 7. a first body section; 8. a second body section; 9. a conductive device; 10. and a terminal.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
An electrical connector, as shown in fig. 1-8, comprises a body section 1 and a flat section 2 formed on the body section 1, wherein plug cavities 3 are arranged at two ends of the body section 1, and the longitudinal dimension of the cross section of the body section 1 is larger than that of the flat section 2.
As shown in fig. 1, the two ends of the main body section 1 are provided with the plugging cavities 3, the conductive devices 9 are plugged into the plugging cavities 3 and electrically connected with the main body section 1, and the flat section 2 can also be electrically connected with the conductive devices 9.
The invention realizes the series connection, parallel connection or mixed connection among a plurality of electric appliances by using the minimum wiring space, the body section 1 or the flat section 2 can be respectively and electrically connected with the conductive device 9 according to the requirement of a customer, the conductive device 9 can be an aluminum lead or an aluminum terminal, a copper lead or a copper terminal, and the electric connection of the plurality of electric appliances is simpler and more reliable.
Specifically, as shown in fig. 2, the wiring harness is a 3-branch circuit, and multi-circuit connection of the wiring harness is realized.
Specifically, the longitudinal direction is the up-down direction shown in fig. 1, and the axial direction is the horizontal direction shown in fig. 1.
In one embodiment, the flattened section 2 is a flattened arrangement of the body section 1.
As shown in fig. 1, the body section 1 is generally of a sleeve structure, and the flattened section 2 is formed by flattening the sleeve, and the specific flattened position may be a middle position of the body section 1 along the axial direction. The flat section 2 can be formed by forging and pressing and can also be integrally formed by stamping, the manufacturing is simple and convenient, and the cost is saved.
In an embodiment, the transition section 4 is further included, and the transition section 4 is connected with the flat section 2 and is respectively connected with the body section 1 in a transition mode along the axial direction.
Further, as shown in fig. 4, the body section 1 is generally of a sleeve structure, and the transition section 4 of the flat section 2 plays a certain bending guiding role for the flattened position of the body section 1.
In one embodiment, as shown in fig. 4, a stud 5 is attached to the flattened section 2.
As shown in fig. 4, the stud 5 can be directly welded on the flat section 2 for electrically connecting with the conductive device 9, and the connection of the conductive device 9 and the flat section 2 can control the wire outlet direction through the stud 5 instead of along the extension direction of the body section 1, so that the electrical connector can be arranged and wire outlet in a small space, and the installation is convenient. In addition, the electric connector can also realize the function of grounding through the stud 5.
Further, the stud 5 can be installed perpendicular to the flat section 2, making the installation connection more secure.
In one embodiment, as shown in fig. 3, the flat section 2 is provided with a connecting through hole 6.
In particular, the through-hole may be stamped in the flattened section 2.
In one embodiment, the flat section 2 is connected with a stud 5, and the stud 5 can be welded on the flat section 2 through a connecting through hole 6, so that the firmness of the connection between the stud 5 and the flat section 2 is improved.
In one embodiment, the body section 1 is made of aluminum.
This body section 1 wholly adopts the aluminium material to constitute, can save the cost, alleviates the produced weight of car wiring, satisfies the lightweight design demand of car.
The resistivity of the aluminum wire is different from that of the copper wire, and the sectional area of the aluminum wire is larger than that of the copper wire by 60mm on the premise of the same current-carrying capacity 2 The current-carrying capacity of the aluminum wire is equivalent to 35mm 2 And the current-carrying capacity of the copper wire.
The inventors crimped the first body segment 7 and the second body segment 8 by 60mm, respectively 2 Aluminum wire, flat section 2 is welded 35mm by ultrasonic wave 2 After the copper wire is connected, the mechanical property drawing force and the electrical property voltage drop are tested to respectively verify the ratio of the thickness of the flat section 2 to the outer diameter of the body section 1 to define the optimal parameter value of the thickness of the flat section 2, and the ratio of the width of the flat section to the outer diameter of the body section influences the performance to define the thickness of the flat section 2; the optimal parameter value of the width of the flat section 2 is defined by the ratio of the width of the flat section 2 to the outer diameter of the body section 1 to the performance, and the width of the flat section 2 is defined by the influence of the ratio of the width of the flat section to the outer diameter of the body section on the performance.
8 groups of samples are manufactured according to the following parameters, the performance test is respectively carried out on the joint of the aluminum wire and the first body section 7, the drawing force is set to be more than or equal to 2200N and the voltage drop at the joint is set to be less than or equal to 0.03m omega and is set to be a qualified value.
The test results are detailed in the following two tables:
according to the above table, when the ratio of the thickness of the flat section 2 to the outer diameter of the body section 1 is less than 0.1, the drawing force between the aluminum wire and the first body section 7 is less than 2200N, which is not satisfactory; when the ratio of the thickness of the flat section 2 to the outer diameter of the body section 1 is greater than 0.5, the voltage drop between the aluminum wire and the first body section 7 is greater than or equal to 0.03m omega, which is not in accordance with the requirements. The inventor sets that the electrical connector has the best performance when the value range of the thickness of the flat section 2 and the outer diameter of the body section 1 is 0.1-0.5 through comprehensive analysis and evaluation on the drawing force and the voltage drop.
According to the above table, when the ratio of the width of the flat section 2 to the outer diameter of the body section 1 is less than 0.4, the drawing force at the position of the aluminum wire and the first body section 7 is less than 2200N, which is not satisfactory; when the ratio of the width of the flat section 2 to the outer diameter of the body section 1 is greater than 2.1, the voltage drop between the aluminum wire and the first body section 7 is greater than or equal to 0.03m omega, which is not satisfactory. The inventor sets that the electrical connector has the best performance when the ratio of the width of the flat section 2 to the outer diameter of the body section 1 is in the range of 0.4-2.1, and preferably the ratio of the width of the flat section 2 to the outer diameter of the body section 1 is 1 through comprehensive analysis and evaluation of the drawing force and the voltage drop.
Further, the inventors crimped the first body section 7 and the second body section 8 by 60mm, respectively 2 Aluminum wire, flat section 2 is welded 35mm by ultrasonic wave 2 After the copper wire is connected, testing the voltage drop to verify the ratio of the length of the flat section 2 to the length of the electric connecting piece, defining the optimal parameter value of the length of the flat section 2, manufacturing 8 groups of samples according to the following parameters, and respectively carrying out performance test on the aluminum wire and the first body section 7, wherein the voltage drop at the connection part is less than or equal to 0.03m omega and is a qualified value. The test results are detailed in the following table:
according to the table, when the ratio of the length of the flat section 2 to the length of the electrical connector is less than 0.1, the voltage drop between the aluminum wire and the first body section 7 is not less than 0.03m Ω, which is not satisfactory. When the ratio of the length of the flat section 2 to the length of the electrical connector is greater than 0.6, the manufacturing cost of the electrical connector is high, and the inventor sets that the ratio of the length of the flat section 2 to the length of the electrical connector is in the range of 0.1-0.6 as best by comprehensively analyzing and evaluating the voltage drop and the manufacturing cost.
In an embodiment, the body section 1 includes a first body section 7 and a second body section 8, and the direction of extension of the axial line of the first body section 7 is different from the direction of extension of the axial line of at least one of the flattened section 2 and the second body section 8.
As shown in fig. 7, the first body segment 7 may extend in the same direction as the axial lines of the flat segment 2 and the second body segment 8, or in a different direction from the axial lines. The design of this structure can guarantee according to the needs of actual wiring, adjusts the angle and the direction of being qualified for the next round of competitions and connecting. Save installation time, improve the installation effectiveness.
In one embodiment, the axis of first body segment 7 is at an angle of 90 degrees to 180 degrees from the axis of second body segment 8.
Further, as shown in fig. 7, the axial line L1 of the first body segment 7 has a certain angle with the axial line L2 of the second body segment 8. Due to the structural design, when the body section 1 is electrically connected with the conductive device 9, the outgoing line direction does not extend all the way along the same direction, but the outgoing line direction is inclined to a certain extent. The installation space required by the design of the structure is greatly reduced, and the problem of difficult wire outgoing under the condition of small space in an automobile can be solved. Preferably, the degree of the included angle is set to 120 degrees.
In an embodiment, the body segment 1 includes a first body segment 7 and a second body segment 8, and the extension direction of the axial line of the first body segment 7 is parallel to the extension direction of the axial line of at least one of the flattened segment 2 and the second body segment 8.
According to the actual wiring requirements, as shown in fig. 8, the extending direction of the first axis is set to be parallel to the axes of the flattened section 2 or the second body section 8, or the extending direction of the first axis is set to be parallel to the axes of the flattened section 2 and the second body section 8, respectively.
Further, as shown in fig. 1 to 6, the axis of the first body segment 7 coincides with the axis of the second body segment 8.
In one embodiment, as shown in fig. 3, the connecting through-hole 6 is provided at the center of the flat section 2.
The connecting through hole 6 is arranged in a central position and is firmly connected when being electrically connected with the conducting device 9.
An electrical connection structure includes the electrical connector and the electrical conductor 9 as described above, and the body section 1 and the flat section 2 are electrically connected to the electrical conductor 9, respectively.
As shown in fig. 2, the multi-loop connection can be realized by the arrangement of the structure, the two ends of the body section 1 are provided with the plugging cavities 3, the conductive devices 9 are plugged into the plugging cavities 3 and electrically connected with the body section 1, and the flat section 2 can also be electrically connected with the conductive devices 9, so that the connection is simple and the use is convenient.
In one embodiment, as shown in fig. 2, the electrically conductive device 9 is a wire comprising a core which is inserted into the plug cavity 3 and is connected to the body section 1 by crimping or welding.
In one embodiment, the electrically conductive device 9 is a wire comprising a core, which is crimped or soldered to the blade 2.
The connection mode is one or more of resistance welding, friction welding, ultrasonic welding, arc welding, laser welding, electron beam welding, pressure diffusion welding, magnetic induction welding and compression welding.
The resistance welding method is a method of welding by using a strong current to pass through a contact point between an electrode and a workpiece and generating heat by a contact resistance.
The friction welding method is a method of welding by plastically deforming a workpiece under pressure using heat generated by friction of a contact surface of the workpiece as a heat source.
The ultrasonic welding method is a method in which high-frequency vibration waves are transmitted to the surfaces of two objects to be welded, and the surfaces of the two objects are rubbed against each other under pressure to form fusion between the molecular layers. Specifically, lead core and flat section 2 and use ultrasonic bonding to be connected, this body section 1 uses the aluminium material to make, leads the core and can use the aluminium material, also can adopt the copper product.
The arc welding method is a method of connecting metals by converting electric energy into thermal energy and mechanical energy required for welding using an electric arc as a heat source and utilizing a physical phenomenon of air discharge, and the main methods include shielded metal arc welding, submerged arc welding, gas shielded welding, and the like.
The laser welding method is an efficient and precise welding method using a laser beam with high energy density as a heat source.
The electron beam welding mode is that accelerated and focused electron beams are used to bombard the welding surface in vacuum or non-vacuum to melt the workpiece to be welded for welding.
The pressure welding method is a method of applying pressure to a workpiece to bring the joining surfaces into close contact with each other to generate a certain plastic deformation, thereby completing welding.
Diffusion welding refers to a solid state welding method in which the workpiece is pressed at high temperature without visible deformation and relative movement.
The magnetic induction welding mode is that two workpieces to be welded produce instantaneous high-speed collision under the action of strong pulse magnetic field, and the surface layer of the material makes the atoms of the two materials meet in the interatomic distance under the action of very high pressure wave, so that stable metallurgical bonding is formed on the interface. Is one type of solid state cold welding that can weld together conductive metals that may or may not have similar properties.
Specifically, the crimping mode is a production process that the guide core is inserted into the insertion cavity 3 and the guide core and the insertion cavity are punched into a whole by using a crimping machine. The crimping has an advantage of mass productivity, and a product of stable quality can be rapidly manufactured in a large quantity by using an automatic crimping machine.
In one embodiment, the conductive device 9 includes a terminal 10 and a wire, which are electrically connected, the terminal 10 is provided with a terminal 10 mounting hole, the flat section 2 is connected with a stud 5, and the terminal 10 and the flat section 2 are screwed through the stud 5.
In one embodiment, as shown in fig. 5, the conductive device 9 includes a terminal 10 and a lead (the lead is connected to the other end of the terminal 10, not shown in the figure), the terminal 10 is provided with a connection post, the flat section 2 is provided with a connection through hole 6, and the terminal 10 and the flat section 2 are connected by screwing through the connection post.
Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (19)
1. The electric connector is characterized by comprising a body section and flat sections formed on the body section, wherein plug-in cavities are formed in two ends of the body section, and the longitudinal dimension of the section of the body section is larger than that of the flat sections.
2. The electrical connector of claim 1, wherein said flattened section is a body section crush mold arrangement.
3. The electrical connector of claim 1, further comprising transition sections axially transitioning said body sections from said flattened sections.
4. The electrical connector of claim 1, wherein a stud is attached to said blade.
5. The electrical connector of claim 1, wherein said blade defines a connecting through-hole.
6. The electrical connector of claim 1, wherein said body section is formed of aluminum.
7. The electrical connector of claim 1, wherein a ratio of a thickness of said flattened section to an outer diameter of said body section is in a range of 0.1-0.5.
8. The electrical connector of claim 1, wherein a ratio of a width of said flattened section to an outer diameter of said body section is in a range of 0.4-2.1.
9. The electrical connector of claim 3, wherein a ratio of a length direction of said flat section to a length of said electrical connector ranges from 0.1 to 0.6.
10. The electrical connector of claim 1, wherein said body segment includes a first body segment and a second body segment, said first body segment having an axis that extends in a direction different from an axis of at least one of said flattened section and said second body segment.
11. The electrical connector of claim 10, wherein said first body segment has an axis that is at an angle of 90 degrees to 180 degrees from an axis of said second body segment.
12. The electrical connector of claim 1, wherein said body segment includes a first body segment and a second body segment, said first body segment axis extending in a direction parallel to the direction of extension of the axis of at least one of said flattened section and said second body segment.
13. The electrical connector of claim 12, wherein said first body segment axis is coincident with an axis of said second body segment.
14. The electrical connector of claim 5, wherein said connecting through-hole is disposed in a central location of said blade.
15. An electrical connection comprising an electrical connector and an electrical conductor as claimed in any one of claims 1 to 14, the body section and the blade section being electrically connected to the electrical conductor respectively.
16. The electrical connection structure as claimed in claim 15, wherein the electrical conducting device is a wire, and the wire includes a core inserted into the plugging cavity to be connected with the body section by crimping or welding.
17. The electrical connection structure as claimed in claim 15, wherein the electrical conducting means is a wire comprising a core, the core being crimped or soldered to the blade.
18. The electrical connection structure as claimed in claim 15, wherein the conductive device includes a terminal and a lead wire, the terminal is provided with a terminal mounting hole, the flat section is connected with a stud, and the terminal and the flat section are screwed by the stud.
19. The electrical connection structure as claimed in claim 15, wherein the conductive device comprises a terminal and a conductive wire for electrical connection, the terminal is provided with a connection post, the flat section is provided with a connection through hole, and the terminal and the flat section are connected by the connection post in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222451395.XU CN218569255U (en) | 2022-09-16 | 2022-09-16 | Electric connector and electric connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222451395.XU CN218569255U (en) | 2022-09-16 | 2022-09-16 | Electric connector and electric connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218569255U true CN218569255U (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222451395.XU Active CN218569255U (en) | 2022-09-16 | 2022-09-16 | Electric connector and electric connection structure |
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| Country | Link |
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| CN (1) | CN218569255U (en) |
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Address after: No. 957, Shunda Road, Gaoxin District, Changchun City, Jilin Province, 130000 Patentee after: Changchun Jieyi Automobile Technology Co.,Ltd. Address before: First floor, No. 957, Shunda Road, High tech Zone, Changchun City, 130000 Jilin Province Patentee before: CHANGCHUN JIEYI AUTO PARTS CO.,LTD. |