CN117878639A - High-stability plug-in connection terminal - Google Patents
High-stability plug-in connection terminal Download PDFInfo
- Publication number
- CN117878639A CN117878639A CN202311754722.1A CN202311754722A CN117878639A CN 117878639 A CN117878639 A CN 117878639A CN 202311754722 A CN202311754722 A CN 202311754722A CN 117878639 A CN117878639 A CN 117878639A
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- Prior art keywords
- terminal
- plug
- torsion spring
- cover
- sub
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- Pending
Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 10
- 238000002788 crimping Methods 0.000 claims abstract description 5
- 239000012634 fragment Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to the technical field of terminals, in particular to a high-stability plug-in electric connection terminal which comprises a female terminal and a sub-terminal, wherein the female terminal comprises a torsion spring piece, a terminal sleeve, a wire fixing part and an end cover, the sub-terminal is a plug terminal sleeve arranged outside the torsion spring piece, a plurality of waist-shaped holes are formed in the torsion spring piece, the middle part of the torsion spring piece is of a concave arc-shaped structure, a corresponding arc-shaped elastic piece is arranged on the terminal sleeve, pressure can be applied to the middle part of the torsion spring piece through the arc-shaped elastic piece, the terminal can be plugged in more tightly and more stably in electric conduction, a buckling hole is formed in the rear part of the terminal cover and used for buckling an elastic buckle on a plug, an elastic pressing structure is arranged on an insulating shell of the female terminal and used for pressing the elastic buckle, a wire fixing part is arranged behind the terminal sleeve, a staggered crimping structure is arranged on the wire fixing part, the wire fixing part is more firmly connected with a cable, an elastic buckle is further arranged at the front part of the plug, and a limiting shallow groove is formed at the rear part of the plug, so that connection can not be easily released, and electric conduction transmission is more stable.
Description
Technical Field
The invention relates to the technical field of terminals, in particular to a high-stability plug-in connection terminal.
Background
The connecting terminal is used for connecting a cable and a connecting terminal on an electric product, and is one of important connecting parts on the electric product, particularly a product in the field of new energy. At present, a common connecting terminal generally adopts a simple structural design, so that the connection between the common connecting terminal and the common connecting terminal is not stable enough, and the terminal connection is easy to loosen.
Therefore, it is necessary to design a terminal which is more stable in connection.
Disclosure of Invention
In order to solve the problems, the high-stability plug-in connection terminal provided by the invention can stably plug the sub-terminal into the main terminal, and has large contact area and stable electric conduction.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a high-stability electric terminal that connects of pegging graft, includes female terminal and sub-terminal, female terminal with sub-terminal adopts the grafting to be connected, sub-terminal is the plug, female terminal includes torsional spring spare, terminal cover, solidus portion and end cover, the outside of torsional spring spare is located to the terminal cover, has seted up many waist holes on the torsional spring spare, and the middle part of torsional spring spare is indent arc structure, corresponds the arc shell fragment that is equipped with the indent on the terminal cover at torsional spring spare middle part, can exert pressure to torsional spring spare middle part through the arc shell fragment, makes it inseparabler with the plug contact, and the contact is electrically conductive more stable, the buckle hole has been seted up at the rear of terminal cover for elasticity buckle on the plug is buckled, gu the line position is located the rear of terminal cover, be equipped with the crimping structure on the gu line portion, can make gu line portion and cable connection more firm.
Optionally, in an embodiment of the present invention, an annular clamping groove is provided at a front end of the terminal sleeve, and a buckling portion is provided on an inner wall of the corresponding end cover to match the annular clamping groove.
Optionally, in an embodiment of the present invention, the terminal sleeve is made of stainless steel, and the terminal sleeve and the wire fixing portion are of an integral structure.
Optionally, in an embodiment of the present invention, the arc-shaped elastic sheet is attached to a middle portion of the torsion spring member.
Optionally, in an embodiment of the present invention, an upper end of the compression structure is a U-shaped structure, and the U-shaped structures on two sides are staggered.
Optionally, in an embodiment of the present invention, a fastening hole is formed at a rear portion of the terminal sleeve, and the fastening hole is symmetrically disposed with an axis of the terminal cover as an axis.
Optionally, in an embodiment of the present invention, the elastic buckle is a transverse 7-shaped structure.
Optionally, in an embodiment of the present invention, a limiting shallow groove is formed around the entire body of the sub-terminal at the rear portion of the sub-terminal, and the limiting shallow groove is in an inverted isosceles trapezoid structure and is used for abutting against the middle portion of the torsion spring member.
Optionally, in an embodiment of the present invention, a plurality of block-shaped protrusions are disposed on an inner side of the wire fixing portion, so as to improve connection stability between the wire fixing portion and the wire.
The invention has the beneficial effects that
According to the high-stability plug-in electric connection terminal, the torsion spring piece is arranged in the female terminal, deformation can be generated when the sub terminal is inserted, so that the sub terminal is connected with the female terminal more precisely, the front end of the sub terminal is provided with the elastic buckle, after the sub terminal is completely inserted, the sub terminal can be buckled at the buckling hole position of the female terminal through the elastic buckle, so that the sub terminal and the main terminal cannot be easily loosened, the rear part of the sub terminal is provided with the limiting shallow groove, a certain limiting effect can be achieved, the connection stability of the terminal is improved, the arc-shaped elastic piece is arranged on the terminal cover of the female terminal, pressure can be applied to the torsion spring piece, the torsion spring piece is enabled to press the sub terminal, the terminal connection is stable, the contact area is large, and the electric conductivity is more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic diagram of a female terminal structure according to embodiment 1 of the present invention;
fig. 2 is a schematic view of a sub-terminal structure according to embodiment 1 of the present invention;
reference numerals illustrate: the connector comprises a sub-terminal 1, an elastic buckle 101, a limiting shallow groove 102, a main terminal 2, a torsion spring piece 201, an end cover 202, an arc-shaped elastic piece 203, a rib hole 2011, a buckle hole 204, a wire fixing part 3, a compression joint structure 301 and a protrusion 302.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Example 1
In order to improve the connection stability of the terminal and improve the conductive stability of the terminal, a high-stability plug-in electric connection terminal is designed, and the specific scheme is as follows:
as shown in fig. 1-2, a high-stability plug-in electrical connection terminal comprises a female terminal 2 and a sub terminal 1, wherein the female terminal 2 and the sub terminal 1 are connected in a plug, the sub terminal 1 is a plug, the female terminal 2 comprises a torsion spring member 201, a terminal sleeve, a wire fixing part 3 and an end cover 202, the terminal sleeve is sleeved outside the torsion spring member 201, a plurality of waist-shaped holes are formed in the torsion spring member 201, the middle part of the torsion spring member 201 is of a concave arc-shaped structure, a concave arc-shaped elastic sheet 203 is arranged on the terminal sleeve corresponding to the middle part of the torsion spring member 201, pressure can be applied to the middle part of the torsion spring member 201 through the arc-shaped elastic sheet 203, so that the torsion spring member is in closer contact with the plug, the contact conduction is more stable, a buckling hole 204 is formed in the rear part of the terminal cover and used for buckling an elastic buckle 101 on the plug, the wire fixing part 3 is positioned at the rear of the terminal sleeve, and a crimping structure 301 is arranged on the wire fixing part 3, so that the wire fixing part 3 and a cable are connected more firmly.
In this embodiment, the female terminal 2 is of a cylindrical structure, the male terminal 1 is of a cylindrical structure, the front end of the male terminal 1 is of a spherical structure, and accordingly, the inner side of the rear end of the female terminal 2 is of a matched spherical design so as to fit the spherical structure, in other schemes, the front end of the male terminal 1 adopts a conical structure, the inner side of the rear end of the female terminal 2 is of a matched conical structure, and an insulating shell is sleeved outside the female terminal 2.
The front end of the terminal sleeve is provided with an annular clamping groove, and the inner wall of the corresponding end cover 202 is provided with a buckling part to match the annular clamping groove.
In this embodiment, the end cover 202 is fastened to the front end of the terminal cover, and meanwhile, plays a role of limiting the torsion spring 201, two ends of the torsion spring 201 are in an annular structure, and respectively abut against the inner sides of the end cover 202 and the terminal cover, an annular mounting groove is formed by the inner edge of the end cover 202 and the inner wall of the terminal cover together, so that the torsion spring 201 is mounted, the torsion spring 201 is in a drum-shaped tubular structure, a plurality of waist-shaped hole-shaped rib holes 2011 are formed in the whole body of the torsion spring 201, the whole body of the torsion spring 201 is divided into a plurality of ribs through the rib holes 2011, the ribs are more elastic, and when the sub-terminal 1 is inserted, the whole body of the sub-terminal 1 can be attached to each other more, so that more contact area is provided.
The terminal sleeve is made of stainless steel and is of an integrated structure with the wire fixing part 3.
The arc spring 203 is attached to the middle of the torsion spring 201.
Specifically, the arc-shaped elastic piece 203 and the terminal cover are of an integral structure, one end of the arc-shaped elastic piece 203 is fixedly connected with the terminal cover, a plurality of arc-shaped elastic pieces 203 are arranged on the whole body of the terminal cover, the whole body of the torsion spring piece 201 can be pressed, the reaction force of the torsion spring piece 201 is larger, the connection with the sub-terminal 1 is more precise, and the thickness of the arc-shaped elastic piece 203 is thicker than that of the ribs of the torsion spring piece 201, so that the reaction force of the arc-shaped elastic piece 203 is larger.
The upper end of the press-connection structure 301 is a U-shaped structure, and the U-shaped structures on two sides are staggered.
Specifically, after the wire is placed on the wire fixing portion 3, the press-connection structure 301 presses the wire so as to fasten the wire on the wire, and the U-shaped structures on both sides are fastened in a crossing manner, so that the connection with the wire is more secure.
The rear part of the terminal sleeve is provided with a clamping hole 204, and the clamping hole 204 is arranged with the axis of the terminal cover as the axis symmetry.
The fastening hole 204 is formed in the upward and downward side surfaces of the terminal cover, and after the sub-terminal 1 is inserted, the elastic fastening 101 can be pressed by the pressing structure on the insulating case, so that the elastic fastening 101 is separated from the fastening hole 204, and the sub-terminal 1 is separated from the main terminal 2.
The elastic buckle 101 is of a transverse 7-shaped structure.
The structure of the elastic buckle 101 can ensure that the sub-terminal 1 is not clamped inside the main terminal 2 in the process of inserting or extracting, smooth insertion and extraction is ensured, a position avoidance hole is formed in the position of the elastic buckle 101 on the sub-terminal 1, the length of the position avoidance hole is longer than the horizontal length of the elastic buckle 101, and the redundant length is used when the elastic buckle 101 is pressed down, so that the elastic buckle 101 is not interfered to be pressed down.
The rear part of the sub-terminal 1 is provided with a limiting shallow groove 102 around the whole body of the sub-terminal 1, and the limiting shallow groove 102 is in an inverted isosceles trapezoid structure and is used for being abutted with the middle part of the torsion spring 201.
Specifically, the rear end of the sub-terminal 1 is also provided with a wire fixing portion 3 having the same structure as the main terminal 2 for connecting the wires on one side of the sub-terminal 1.
The inner side of the wire fixing part 3 is provided with a plurality of block-shaped bulges 302 so as to improve the connection stability of the wire fixing part 3 and the wires.
The block-shaped protrusions 302 are used for improving friction force between the wire fixing portion 3 and the wires and avoiding loosening of the wires.
The electric terminal that connects of this scheme is equipped with torsional spring 201 in female terminal 2 for improve the fastening degree that sub-terminal 1 pegged graft, when sub-terminal 1 inserts, can produce deformation, make sub-terminal 1 and female terminal 2 connect more accurate, and sub-terminal 1 front end is equipped with elasticity buckle 101, sub-terminal 1 inserts the back completely, can pass through elasticity buckle 101 lock at the buckle hole 204 position of female terminal 2, make both can not loosen easily, sub-terminal 1's rear portion is equipped with spacing shallow slot 102, can play certain spacing effect, improve the connection stability of terminal, and be equipped with arc shell fragment 203 on female terminal 2's the terminal lid, when torsional spring 201 and arc shell fragment 203 butt, arc shell fragment 203 can apply inwards reaction force to torsional spring 201, make torsional spring 201 compress tightly at sub-terminal 1, the terminal is connected steadily and area of contact is big, the electric conductivity is more stable.
Example 2
In this embodiment, the structure of the terminal is substantially the same as that of embodiment 1, except that the torsion spring member 201 can slide in the terminal cover over a short distance, the terminal cover cancels the structure of the arc spring piece 203, the inner wall of the terminal cover is provided with a fixed arc protrusion 302, when the torsion spring member 201 slides backward, the arc protrusion 302 abuts against the outer part of the torsion spring member 201 to make it more tightly connected with the sub-terminal 1, and the inner part of the terminal cover is provided with a copper shell for conduction.
Although the present invention has been described in terms of the preferred embodiments, it should be understood that the present invention is not limited to the specific embodiments, but is capable of numerous modifications and equivalents, and alternative embodiments and modifications of the embodiments described above, without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a high-stability electric terminal that connects of pegging graft, its characterized in that, includes female terminal and son terminal, female terminal with the son terminal adopts the grafting to be connected, son terminal is the plug, female terminal includes torsional spring spare, terminal cover, solidus portion and end cover, the outside of torsional spring spare is located to the terminal cover, has seted up many waist holes on the torsional spring spare, and the middle part of torsional spring spare is indent arc structure, corresponds the terminal cover at torsional spring spare middle part and is equipped with indent arc shell fragment, can exert pressure to torsional spring spare middle part through the arc shell fragment, makes it inseparabler with the plug contact, and the contact is electrically conductive more stable, the buckle hole has been seted up at the rear of terminal cover for elasticity buckle on the plug is buckled, gu the line position is located the rear of terminal cover, be equipped with the crimping structure on the solidus portion, can make gu line portion and cable connection more firm.
2. The high stability plug electrical terminal of claim 1, wherein: the front end of the terminal sleeve is provided with an annular clamping groove, and the corresponding inner wall of the end cover is provided with a buckling part to be matched with the annular clamping groove.
3. The high stability plug electrical terminal of claim 1, wherein: the terminal sleeve is made of stainless steel, and the terminal sleeve and the wire fixing part are of an integrated structure.
4. The high stability plug electrical terminal of claim 1, wherein: the arc-shaped elastic sheet is attached to the middle of the torsion spring piece.
5. The high stability plug electrical terminal of claim 1, wherein: the upper end of the crimping structure is of a U-shaped structure, and the U-shaped structures on two sides are arranged in a staggered mode.
6. The high stability plug electrical terminal of claim 1, wherein: the rear part of the terminal sleeve is provided with a buckling hole, and the buckling hole is symmetrically arranged by taking the axis of the terminal cover as an axis.
7. The high stability plug electrical terminal of claim 1, wherein: the elastic buckle is of a transverse 7-shaped structure.
8. The high stability plug electrical terminal of claim 1, wherein: the rear part of the sub-terminal surrounds the whole body of the sub-terminal and is provided with a limiting shallow groove which is in an inverted isosceles trapezoid structure and is used for being abutted with the middle part of the torsion spring piece.
9. The high stability plug electrical terminal of claim 1, wherein: the inner side of the wire fixing part is provided with a plurality of block-shaped bulges so as to improve the connection stability of the wire fixing part and the wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311754722.1A CN117878639A (en) | 2023-12-20 | 2023-12-20 | High-stability plug-in connection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311754722.1A CN117878639A (en) | 2023-12-20 | 2023-12-20 | High-stability plug-in connection terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117878639A true CN117878639A (en) | 2024-04-12 |
Family
ID=90580279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311754722.1A Pending CN117878639A (en) | 2023-12-20 | 2023-12-20 | High-stability plug-in connection terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117878639A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119651232A (en) * | 2025-02-19 | 2025-03-18 | 山西思微伏煤科装备有限公司 | A coal mine deep hole directional drilling control console and an electrical connector for the console |
-
2023
- 2023-12-20 CN CN202311754722.1A patent/CN117878639A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119651232A (en) * | 2025-02-19 | 2025-03-18 | 山西思微伏煤科装备有限公司 | A coal mine deep hole directional drilling control console and an electrical connector for the console |
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