CN110829078B - Wiring terminal for electrical connection - Google Patents
Wiring terminal for electrical connection Download PDFInfo
- Publication number
- CN110829078B CN110829078B CN201911125034.2A CN201911125034A CN110829078B CN 110829078 B CN110829078 B CN 110829078B CN 201911125034 A CN201911125034 A CN 201911125034A CN 110829078 B CN110829078 B CN 110829078B
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- CN
- China
- Prior art keywords
- terminal
- sleeve
- grooves
- electrical connection
- connector
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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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
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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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a wiring terminal for electrical connection, which comprises a regular hexagonal connector, wherein an external thread sleeve is formed on the upper end surface of the connector, a planar boss is formed on the inner wall opposite to the external thread sleeve, and two inclined diversion trenches are formed on the side wall of the boss; the connector is internally inserted with a contact pin, a round terminal is formed at the upper end of the contact pin, a planar cutting groove is formed on the outer wall opposite to the terminal, a connecting hole is formed on the upper end face of the terminal, horizontal strip-shaped clamping grooves are formed on the bottom faces of the cutting grooves on the two sides of the cutting groove, and the clamping grooves penetrate through the bottom faces of the cutting grooves on the two sides of the terminal and are communicated with the connecting hole; the terminal is inserted in the external thread sleeve of the joint, a pin shaft is inserted in the clamping groove of the terminal, and the end parts of the pin shaft are respectively arranged in the two diversion trenches of the lug boss. The invention not only conveniently realizes the connection between the wire and the wiring terminal, but also has higher clamping firmness and good stability of the wiring terminal.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a wiring terminal for electric connection.
Background
In an electrical control system, a terminal block is one of indispensable components, and the terminal block is used for facilitating the connection of wires. The wire is inserted between the clamping blocks or the clamping pieces in the wire connecting terminal to realize elastic clamping of the wire, and the wire connecting terminal facilitates the fixed connection between the terminal and the connected wire; but the firmness of the elastic clamping to the wire clamping is not high, which can cause poor contact and reduce the stability of the wiring terminal.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a connecting terminal for electrical connection, which not only is convenient for realizing the connection between a lead and the connecting terminal, but also has higher clamping firmness and good stability.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a connecting terminal for electrical connection comprises a regular hexagonal connector, wherein an external thread sleeve is formed on the upper end face of the connector, a planar boss is formed on the opposite inner wall of the external thread sleeve, and two inclined guide grooves are formed on the side walls of the opposite bosses; the connector is internally inserted with a contact pin, a round terminal is formed at the upper end of the contact pin, a plane-type cutting groove is formed on the outer wall opposite to the terminal, a connecting hole is formed on the upper end face of the terminal, two horizontal strip-shaped clamping grooves are formed on the bottom surfaces of the cutting grooves on the two sides of the terminal, and the clamping grooves penetrate through the bottom surfaces of the cutting grooves on the two sides of the terminal and are communicated with the connecting hole; the terminal is inserted in the external thread sleeve of the joint, a pin shaft is inserted in the two clamping grooves of the terminal respectively, and the two end parts of the pin shaft are arranged in the opposite diversion grooves of the opposite bosses respectively; the external thread sleeve of the joint is screwed with a locking sleeve, the locking sleeve is provided with an insertion hole opposite to the connection hole on the terminal, the bottom surface of the inner side of the locking sleeve is formed with a column sleeve communicated with the insertion hole, and the column sleeve is abutted against the terminal of the contact pin;
the distance between the lower ends of the two diversion trenches formed on the side walls of the bosses on the joint is smaller than the distance between the upper ends of the diversion trenches.
Preferably, the connector and the locking sleeve are made of insulating materials, the contact pin is made of conductive materials, the central axis of the contact pin coincides with the central axis of the locking sleeve, and the central axis of the contact pin, the connecting hole coincides with the central axis of the column sleeve.
Preferably, a pin shaft inlet hole penetrating through the outer wall of the external thread sleeve is formed at the lower end of the flow guide groove on the boss on one side of the joint.
Preferably, the aperture of the pin shaft inlet is equal to the width of the diversion trench, the aperture of the pin shaft inlet is equal to the diameter of the pin shaft, and the width of the diversion trench is equal to the width of the clamping groove on the terminal.
Preferably, the diameter of the outer wall of the terminal is equal to the diameter of the inner wall of the external thread sleeve, the bottom surfaces of the cutting grooves on the terminal abut against the side wall of the boss, and the length of the pin shaft is larger than the distance between the bottom surfaces of the cutting grooves on two sides of the terminal.
Preferably, the contact pin is sleeved with a compression spring, and two ends of the compression spring are respectively pressed against the lower end face of the terminal and the upper end face of the connector.
Preferably, the minimum distance between the clamping grooves on the two sides of the terminal is not greater than the distance between the lower ends of two inclined flow guide grooves formed on the side walls of the bosses opposite to each other on the connector; the minimum distance between the clamping grooves on the two sides is smaller than the aperture of the connecting hole on the terminal.
Preferably, a rubber insulating sleeve is fixedly inserted into the column sleeve.
The invention has the beneficial effects that: the structure of the wire clamp is convenient for realizing connection between the wire and the wiring terminal, and meanwhile, the clamping firmness is higher and the stability of the wiring terminal is good.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a half section of the present invention;
FIG. 3 is an exploded view of the present invention;
FIG. 4 is a schematic view of a half-section of the joint of the present invention.
In the figure: 1. a joint; 11. an external thread sleeve; 111. a boss; 112. a diversion trench; 113. a pin shaft enters a hole; 2. inserting a pin; 21. a terminal; 211. grooving; 212. connecting holes; 213. a card slot; 3. a pressure spring; 4. a locking sleeve; 41. a jack; 42. a column sleeve; 43. an anti-slip groove; 5, a pin shaft; 6. and a rubber insulating sleeve.
Detailed Description
Example (b): as shown in fig. 1 to 4, a terminal for electrical connection includes a regular hexagonal connector 1, an external thread bushing 11 is formed on an upper end surface of the connector 1, a planar boss 111 is formed on an opposite inner wall of the external thread bushing 11, and two inclined guide grooves 112 are formed on side walls of the opposite bosses 111; a pin 2 is inserted into the connector 1, a round terminal 21 is formed at the upper end of the pin 2, a planar notch groove 211 is formed on the outer wall opposite to the terminal 21, a connecting hole 212 is formed on the upper end surface of the terminal 21, two horizontal strip-shaped clamping grooves 213 are formed on the bottom surfaces of the notch grooves 211 on both sides of the terminal 21, and the clamping grooves 213 penetrate through the bottom surfaces of the notch grooves 211 on both sides of the terminal 21 and are communicated with the connecting hole 212; the terminal 21 is inserted into the external thread sleeve 11 of the connector 1, two slots 213 of the terminal 21 are respectively inserted with a pin 5, and two ends of the pin 5 are respectively arranged in the opposite diversion grooves 112 of the opposite bosses 111; the locking sleeve 4 is screwed on the external thread sleeve 11 of the connector 1, the locking sleeve 4 is provided with an insertion hole 41 opposite to the connection hole 212 on the terminal 21, a column sleeve 42 communicated with the insertion hole 41 is formed on the bottom surface of the inner side of the locking sleeve 4, and the column sleeve 42 is abutted against the terminal 21 of the contact pin 2;
the distance between the lower ends of the two diversion trenches 112 formed on the side walls of the opposite bosses 111 on the joint 1 is smaller than the distance between the upper ends of the diversion trenches 112.
Preferably, the connector 1 and the locking sleeve 4 are made of insulating materials, the contact pin 2 is made of conductive materials, the central axis of the contact pin 2 coincides with the central axis of the locking sleeve 4, and the central axis of the contact pin 2, the connecting hole 212 and the central axis of the column sleeve 42 coincide with each other.
Preferably, a pin shaft inlet hole 113 penetrating through the outer wall of the external thread bushing 11 is formed at the lower end of the flow guide groove 112 on the boss 111 on one side of the joint 1.
Preferably, the aperture of the pin shaft inlet 113 is equal to the width of the guide groove 112, the aperture of the pin shaft inlet 113 is equal to the diameter of the pin shaft 5, and the width of the guide groove 112 is equal to the width of the slot 213 on the terminal 21.
Preferably, the diameter of the outer wall of the terminal 21 is equal to the diameter of the inner wall of the external thread sleeve 11, the bottom surfaces of the slots 211 on the terminal 21 abut against the side walls of the boss 111, and the length of the pin 5 is greater than the distance between the bottom surfaces of the slots 211 on both sides of the terminal 21.
Preferably, the contact pin 2 is sleeved with a compression spring 3, and two ends of the compression spring 3 are respectively pressed against the lower end face of the terminal 21 and the upper end face of the connector 1.
Preferably, the minimum distance between the two side slots 213 on the terminal 21 is not greater than the distance between the lower ends of the two inclined flow guide slots 112 formed on the side walls of the opposite bosses 111 on the connector 1; the minimum distance between the two side slots 213 is smaller than the diameter of the connection hole 212 on the terminal 21.
Preferably, a plurality of anti-slip grooves 43 are formed on the outer wall of the locking sleeve 4, and the anti-slip grooves 43 are uniformly distributed in a ring shape around the central axis of the locking sleeve 4.
Preferably, the rubber insulating sleeve 6 is inserted and fixed in the column sleeve 42.
The working principle is as follows: the invention is a wiring terminal for electrical connection, when in use, a lead passes through the jack 41 of the locking sleeve 4 and the column sleeve 42 and is inserted into the connecting hole 212 of the terminal 21, the lead is positioned between the pin shafts 5, then the locking sleeve 4 is rotated, the column sleeve 42 is utilized to drive the terminal 21 to move towards the connector 1, and the pin shafts 5 can be driven to move along the diversion grooves 112 in the moving process of the terminal 21, so that the two pin shafts 5 are folded, the lead is clamped and fixed, and the clamping is firm;
an annular groove can be formed in the middle of the pin shaft 5, and a plurality of pressing teeth with triangular sections are formed in the inner wall of the groove, so that the insulating sheath can be inserted into the terminal 21 in a wrapping mode, the pressing teeth can crush the insulating sheath, and a metal conductor can be contacted.
The examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (8)
1. A connecting terminal for electrical connection, comprising a regular hexagonal type joint (1), characterized in that: an external thread sleeve (11) is formed on the upper end face of the joint (1), a planar boss (111) is formed on the opposite inner wall of the external thread sleeve (11), and two inclined diversion trenches (112) are formed on the side walls of the opposite bosses (111); the connector comprises a connector (1), a contact pin (2) is inserted in the connector (1), a round terminal (21) is formed at the upper end of the contact pin (2), planar cutting grooves (211) are formed on the outer wall of the terminal (21) opposite to each other, a connecting hole (212) is formed on the upper end face of the terminal (21), two horizontal strip-shaped clamping grooves (213) are formed on the bottom surfaces of the cutting grooves (211) on the two sides of the terminal (21), and the clamping grooves (213) penetrate through the bottom surfaces of the cutting grooves (211) on the two sides of the terminal (21) and are communicated with the connecting hole (; the terminal (21) is inserted into the external thread sleeve (11) of the joint (1), two clamping grooves (213) of the terminal (21) are respectively inserted with a pin shaft (5), and two end parts of the pin shaft (5) are respectively arranged in the opposite flow guide grooves (112) of the opposite bosses (111); the locking sleeve (4) is screwed on the external thread sleeve (11) of the connector (1), the locking sleeve (4) is provided with an insertion hole (41) opposite to the connecting hole (212) on the terminal (21), a column sleeve (42) communicated with the insertion hole (41) is formed on the bottom surface of the inner side of the locking sleeve (4), and the column sleeve (42) is abutted against the terminal (21) of the contact pin (2);
the distance between the lower ends of the two guide grooves (112) formed in the side walls of the bosses (111) on the joint (1) is smaller than the distance between the upper ends of the guide grooves (112).
2. A terminal block for electrical connection according to claim 1, wherein: the connector (1) and the locking sleeve (4) are made of insulating materials, the contact pin (2) is made of conductive materials, the central axis of the contact pin (2) coincides with the central axis of the locking sleeve (4), and the central axis of the contact pin (2), the connecting hole (212) and the central axis of the column sleeve (42) coincide with each other.
3. A terminal block for electrical connection according to claim 1, wherein: and a pin shaft inlet hole (113) penetrating through the outer wall of the external thread sleeve (11) is formed at the lower end of the flow guide groove (112) on the boss (111) at one side of the joint (1).
4. A terminal block for electrical connection according to claim 3, wherein: the aperture of the pin shaft inlet hole (113) is equal to the width of the guide groove (112), the aperture of the pin shaft inlet hole (113) is equal to the diameter of the pin shaft (5), and the width of the guide groove (112) is equal to the width of the clamping groove (213) on the terminal (21).
5. A terminal block for electrical connection according to claim 1, wherein: the diameter of the outer wall of the terminal (21) is equal to that of the inner wall of the external thread sleeve (11), the bottom surfaces of the cutting grooves (211) in the terminal (21) abut against the side wall of the boss (111), and the length of the pin shaft (5) is larger than the distance between the bottom surfaces of the cutting grooves (211) on the two sides of the terminal (21).
6. A terminal block for electrical connection according to claim 1, wherein: and a pressure spring (3) is inserted and sleeved on the contact pin (2), and two ends of the pressure spring (3) are pressed on the lower end face of the terminal (21) and the upper end face of the connector (1) respectively.
7. A terminal block for electrical connection according to claim 1, wherein: the minimum distance between the clamping grooves (213) on the two sides of the terminal (21) is not more than the distance between the lower ends of two inclined flow guide grooves (112) formed on the side walls of the opposite bosses (111) on the joint (1); the minimum distance between the clamping grooves (213) on the two sides is smaller than the aperture of the connecting hole (212) on the terminal (21).
8. A terminal block for electrical connection according to claim 1, wherein: and a rubber insulating sleeve (6) is fixedly inserted in the column sleeve (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125034.2A CN110829078B (en) | 2019-11-18 | 2019-11-18 | Wiring terminal for electrical connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911125034.2A CN110829078B (en) | 2019-11-18 | 2019-11-18 | Wiring terminal for electrical connection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110829078A CN110829078A (en) | 2020-02-21 |
| CN110829078B true CN110829078B (en) | 2020-11-20 |
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ID=69556088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911125034.2A Active CN110829078B (en) | 2019-11-18 | 2019-11-18 | Wiring terminal for electrical connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110829078B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206992351U (en) * | 2017-07-13 | 2018-02-09 | 昆山源顺电子科技有限公司 | A kind of contact pin binding post |
| CN108613716B (en) * | 2018-05-09 | 2020-04-14 | 上海航天设备制造总厂有限公司 | Capacitance type liquid level measuring device for aviation fuel oil continuous measurement |
| CN208723182U (en) * | 2018-09-05 | 2019-04-09 | 杭州余杭电缆有限公司 | Cable plug |
| CN209544624U (en) * | 2019-04-29 | 2019-10-25 | 国网上海市电力公司 | A kind of clamshell fixture for electrical connection |
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2019
- 2019-11-18 CN CN201911125034.2A patent/CN110829078B/en active Active
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| Publication number | Publication date |
|---|---|
| CN110829078A (en) | 2020-02-21 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201102 Address after: 252000 No. 5 Lushan South Road, Liaocheng High-tech Industrial Development Zone, Shandong Province Applicant after: Shandong Yide Electrical Equipment Engineering Co.,Ltd. Address before: No. 1607, floor 16, unit 1, building 1, No. 158, Xianning Avenue, Xianning City, Hubei Province Applicant before: Xianning Hengzhou Information Technology Co.,Ltd. |
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| GR01 | Patent grant |