CN210607849U - Primary-secondary type electric connector - Google Patents
Primary-secondary type electric connector Download PDFInfo
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- CN210607849U CN210607849U CN201920583791.3U CN201920583791U CN210607849U CN 210607849 U CN210607849 U CN 210607849U CN 201920583791 U CN201920583791 U CN 201920583791U CN 210607849 U CN210607849 U CN 210607849U
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Abstract
A primary-secondary type electric connector comprises a primary plug and a secondary plug, wherein the primary plug comprises a primary member, a contact pin sleeve assembly arranged in the primary member, a wire clamp rubber sleeve and a primary tail nut, the primary plug also comprises a locking sleeve, the locking sleeve is provided with at least two axial grooves with one open end, an arc-shaped guide cavity and a locking cavity, and an operation hole is formed in the position, adjacent to the guide cavity, of the locking cavity; the locking sleeve is sleeved on the female insertion part, the male insertion part of the male head is inserted into the female insertion part, and the clasp is buckled with the annular groove; the circular arc-shaped plate is opposite to the clearance groove on the sub-inserting part of the sub-head piece; in an unlocking state, the clasp corresponds to the axial groove, and the clamping tongue is positioned in the guide cavity; in the locking state, the clamping tongue is attached to the end plate at one end of the locking cavity adjacent to the guide cavity, and the end part of the clamping tongue is opposite to the operation hole; the hooks are offset from the axial grooves. The setting of lock cover is in the same place sub-plug and female plug lock, prevents sub-plug and female plug separation, and easy dismounting has eliminated the potential safety hazard moreover.
Description
Technical Field
The present invention relates to an electrical connector.
Background
In the prior art, a primary-secondary type electric connector comprises a primary plug and a secondary plug, wherein the primary plug comprises a primary part, a contact pin sleeve assembly arranged in the primary part, a primary body part, a wire clamp rubber sleeve and a primary tail nut, the primary part comprises a primary plugging part, a primary connecting part and a flange plate arranged at the intersection of the primary plugging part and the primary connecting part, the primary part comprises a primary connecting part, a middle wire cavity part, an external thread arranged in the wire cavity part and a tail furling part, the primary connecting part of the primary part is connected with the primary connecting part, the wire clamp rubber sleeve is arranged in the furling part, and the primary tail nut is screwed with the external thread; the female plug comprises a female head piece, a contact pin assembly arranged in the female head piece, a female body piece, a wire clamp rubber sleeve and a female tail nut, wherein the female head piece comprises a female insertion part, a female head connecting part and a flange plate arranged at the intersection of the female insertion part and the head connecting part; the sub-plug part is inserted into the female plug part. There are problems: the sub-plug and the female connector are easily separated, resulting in short circuit.
Disclosure of Invention
The purpose of the invention is: to provide a female-male type electrical connector which can effectively prevent a short circuit caused by loosening or separation of a female terminal and a male terminal.
The invention is realized by the following steps: a primary-secondary type electric connector comprises a primary plug and a secondary plug, wherein the primary plug comprises a primary part, a contact pin sleeve assembly arranged in the primary part, a wire clamp rubber sleeve and a primary tail nut, the primary part comprises a primary inserting part, a primary connecting part and a flange plate arranged at the intersection of the primary inserting part and the primary connecting part, the primary part comprises a primary connecting part, a middle wire cavity part, an external thread arranged in the wire cavity part and a tail furling part, the primary connecting part of the primary part is connected with the primary connecting part, the wire clamp rubber sleeve is arranged in the furling part, and the primary tail nut is screwed with the external thread; the female plug comprises a female head piece, a contact pin assembly arranged in the female head piece, a female body piece, a wire clamp rubber sleeve and a female tail nut, wherein the female head piece comprises a female insertion part, a female head connecting part and a flange plate arranged at the intersection of the female insertion part and the head connecting part; the sub-plug part is inserted into the female plug part; it is characterized in that: the female plug-in part of the female head piece is provided with at least two through holes along the axial direction and an arc-shaped hole located between two adjacent through holes along the circumferential direction, a clasp is arranged in each through hole, an arc-shaped plate is arranged in each arc-shaped hole, and a clamping tongue is arranged at the suspended end of each arc-shaped plate;
the adjacent end of the sub-plug part of the sub-head piece and the flange plate is provided with an annular groove, and the sub-plug part is provided with a clearance groove;
the locking device is characterized by also comprising a locking sleeve, wherein the locking sleeve is provided with at least two axial grooves with one ends opened, a circular arc-shaped guide cavity and a locking cavity, and an operation hole is formed in the position, adjacent to the guide cavity, of the locking cavity;
the locking sleeve is sleeved on the female insertion part, the male insertion part of the male head is inserted into the female insertion part, and the clasp is buckled with the annular groove; the circular arc-shaped plate is opposite to the clearance groove on the sub-inserting part of the sub-head piece; in an unlocking state, the clasp corresponds to the axial groove, and the clamping tongue is positioned in the guide cavity; in the locking state, the clamping tongue is attached to the end plate at one end of the locking cavity adjacent to the guide cavity, and the end part of the clamping tongue is opposite to the operation hole; the hooks are offset from the axial grooves.
The primary-secondary electric connector is characterized in that: the female insertion part is provided with a guide groove, and the through hole and the arc-shaped hole are formed in a bottom plate of the guide groove;
two ends of the locking sleeve are provided with guide sleeves,
the locking sleeve is embedded with the guide groove, and the guide sleeve is in running fit with the outer circumferential surface of the female insertion part.
The primary-secondary electric connector is characterized in that: the sub-head connecting part of the sub-head piece is provided with external threads, the flange plate is provided with a locking plate, and the locking plate is provided with a locking hole;
the child body connecting part of the child body piece is provided with internal threads, the child body connecting part is provided with an accommodating cavity with an upper opening and a rear opening, an end plate of the accommodating cavity is provided with an extending hole, a side wall plate is provided with a guide rail, and a bottom plate is provided with a positioning bulge; the line cavity part of the sub-body part is provided with a limiting block, and the limiting block is opposite to the rear opening of the accommodating cavity;
the diameter of the sub-body connecting part is larger than that of the wire cavity part, and the end surface of the rear part of the sub-body connecting part is an inclined surface;
the locking piece comprises a seat body, a spring bolt arranged at the front end of the seat body and an inclined stop plate arranged at the rear end of the seat body, wherein guide rail grooves are formed in two sides of the seat body, and a positioning groove is formed in the lower surface of the seat body;
the external thread of the sub-head connecting part is screwed with the internal thread of the sub-body connecting part, the lock tongue is inserted into the locking hole, the positioning bulge is embedded with the positioning groove, and the guide rail is matched with the guide rail groove; the inclined stop plate is attached to the inclined surface of the connecting part of the sub-body;
the inclined stop plate of the locking piece is matched with the limiting block to stop.
The primary-secondary electric connector is characterized in that: the female head connecting part of the female head piece is provided with external threads, the flange plate is provided with a locking plate, and the locking plate is provided with a locking hole;
the female body connecting part of the female body piece is provided with internal threads, the female body connecting part is provided with an accommodating cavity with an upper opening and a rear opening, an end plate of the accommodating cavity is provided with an extending hole, a side wall plate is provided with a guide rail, and a bottom plate is provided with a positioning bulge; the line cavity part of the female body part is provided with a limiting block, and the limiting block is opposite to the rear opening of the accommodating cavity;
the diameter of the female body connecting part is larger than that of the wire cavity part, and the end surface of the rear part of the female body connecting part is an inclined surface;
the locking piece comprises a seat body, a spring bolt arranged at the front end of the seat body and an inclined stop plate arranged at the rear end of the seat body, wherein guide rail grooves are formed in two ends of the seat body, and a positioning groove is formed in the lower surface of the seat body;
the external thread of the female head connecting part is screwed with the internal thread of the female body connecting part, the lock tongue is inserted into the locking hole, the seat body is embedded into the accommodating cavity, the positioning bulge is embedded with the positioning groove, and the guide rail is matched with the guide rail groove; the inclined stop plate is attached to the inclined surface of the connecting part of the female body;
the inclined stop plate of the locking piece is matched with the limiting block to stop.
According to the primary-secondary electric connector, due to the adoption of the structure, the arrangement of the locking sleeve locks the primary plug and the secondary plug together, so that the separation of the primary plug and the secondary plug is prevented, the disassembly and the assembly are convenient, and the potential safety hazard is eliminated.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a view a-a of fig. 1.
Fig. 4 is a cross-sectional view of the unlocked state of the present invention.
Fig. 5 is a perspective view of the locking sleeve of the present invention.
Fig. 6 is one of the exploded perspective views of the present invention.
Fig. 7 is a second exploded perspective view of the present invention.
Fig. 8 is one of the exploded perspective views of the female plug of the present invention.
Fig. 9 is a second exploded perspective view of the female plug of the present invention.
Fig. 10 is one of exploded perspective views of a daughter plug of the present invention.
Fig. 11 is a second exploded perspective view of the daughter plug of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, a primary-secondary type electrical connector comprises a primary plug and a secondary plug, wherein the primary plug comprises a primary member 1, a pin sleeve assembly 2 arranged in the primary member, a primary member 3, a wire clamp rubber sleeve 4 and a primary-secondary nut 5, the primary member 1 comprises a primary insertion part 11, a primary connecting part 12 and a flange plate 13 arranged at the intersection of the primary insertion part and the primary connecting part, the primary member 3 comprises a primary connecting part 31, a middle wire cavity part 32, an external thread arranged in the wire cavity part and a secondary closing part 33, the primary connecting part 11 of the primary member 1 is connected with the primary connecting part 31, the wire clamp rubber sleeve 4 is arranged in the closing part 33, and the primary-secondary nut 5 is screwed with the external thread; the female plug comprises a female head piece 6, a pin inserting assembly 7 arranged in the female head piece, a female body piece 8, a wire clamp rubber sleeve 9 and a female tail nut 10, wherein the female head piece 6 comprises a female inserting part 61, a female head connecting part 62 and a flange plate 63 arranged at the intersection of the female inserting part and the head connecting part, the female body piece 8 comprises a female body connecting part 81, a middle wire cavity part 82, an external thread arranged on the wire cavity part and a tail furling part 83, the female head connecting part 62 of the female head piece 6 is connected with the female body connecting part 81, the wire clamp rubber sleeve 9 is arranged in the furling part 83, and the female tail nut 10 is screwed with the external thread; the sub-mating part 11 is inserted into the female mating part 61. The sub-plug and the female plug connect the two cables together.
The female plug-in part 61 of the female head piece 6 is provided with at least two axial through holes 611 and a circumferential arc hole 612 positioned between two adjacent through holes, the through holes are internally provided with hooks 611, the arc hole 612 is internally provided with an arc plate 6121, and the suspended end of the arc plate 6121 is provided with a clamping tongue 6122;
the adjacent end of the sub-inserting part 11 of the sub-head piece 1 and the flange plate 13 is provided with an annular groove 14, and the sub-inserting part 11 is provided with a clearance groove 15;
the locking device further comprises a locking sleeve 20, wherein the locking sleeve 20 is provided with two axial grooves 201 with one ends opened, an arc-shaped guide cavity 202 and a locking cavity 203, and an operation hole 204 is formed in the position, adjacent to the guide cavity 202, of the locking cavity 203;
the locking sleeve 20 is sleeved on the female insertion part 61, the sub-insertion part 11 of the sub-head part 1 is inserted into the female insertion part 61, and the clasp 611 is buckled with the annular groove 14; the circular arc plate 6121 is opposite to the clearance groove 15 on the sub-inserting part 11 of the sub-head piece 1; as shown in fig. 3, in the unlocked state, the hook 611 corresponds to the axial groove 14, the latch 6122 is located in the guide cavity 202, and only in the unlocked state, the sub-insertion part 11 of the sub-head 1 and the female insertion part 61 can be inserted; in the unlocking state shown in fig. 3, the locking sleeve 20 rotates counterclockwise, the latch 6122 enters the locking cavity 203, the latch 6122 is attached to the end plate at the end of the locking cavity 203 adjacent to the guide cavity 202, and the end of the latch 6122 is opposite to the operation hole 204; the clasp 6111 is staggered with the axial groove 201; as shown in fig. 2, the locking state is achieved. In the locked state shown in fig. 2, the needle bar-shaped object acts on the latch 6122 through the operation hole 204, the latch 6122 leaves the end plate of the locking cavity 203 and enters the clearance groove 15, and the locking sleeve 20 rotates clockwise, i.e., is converted into the unlocked state.
The female plug-in part 61 is provided with a guide groove 613, and the through hole 611 and the arc hole 612 are arranged on a bottom plate of the guide groove 613;
the two ends of the locking sleeve 20 are provided with guide sleeves 205,
the lock sleeve 20 is fitted into the guide groove 613, and the guide sleeve 205 is rotatably fitted to the outer circumferential surface of the female insertion portion 62.
The sub-head connecting part 12 of the sub-head piece 1 is provided with external threads, the flange plate 13 is provided with a locking plate 16, and the locking plate 16 is provided with a locking hole;
the connecting part 31 of the sub-body 3 is provided with internal threads, the connecting part 31 of the sub-body is provided with an accommodating cavity 21 with an upper opening and a rear opening, an end plate of the accommodating cavity 21 is provided with an extending hole 211, a side wall plate is provided with a guide rail 212, and a bottom plate is provided with a positioning bulge 213; a limiting block 34 is arranged on the line cavity part of the sub-body part 3, and the limiting block 34 is opposite to the rear opening of the accommodating cavity 21;
the diameter of the sub-body connecting part 31 is larger than that of the wire cavity part 32, and the end surface of the rear part of the sub-body connecting part 31 is an inclined surface;
as shown in fig. 2 and 10, the portable electronic device further includes a locking element 22, the locking element 22 includes a seat body 221, a locking tongue 222 disposed at the front end of the seat body, and an inclined stop plate 223 disposed at the rear end of the seat body, guide rail grooves 224 are disposed at two sides of the seat body 221, and a positioning groove is disposed on the lower surface of the seat body 221;
the external thread of the sub-head connecting part 12 is screwed with the internal thread of the sub-body connecting part 31, the bolt 222 is inserted into the locking hole, the seat body 221 is embedded into the accommodating cavity 21, and the bolt 222 extends into the accommodating cavity 21 through the extending hole 211; the positioning protrusion 213 is embedded with the positioning groove, and the guide rail 212 is matched with the guide rail groove 224; the inclined stop plate 223 is attached to the inclined surface of the sub-body connecting part 31; when the sub-head connecting part 12 is separated from the sub-body connecting part 31, the locking piece 22 is moved first, and the locking tongue 222 is separated from the locking hole of the locking plate 16; in the state shown in fig. 1 and 5, a screwdriver is inserted into a gap between the seat body 221 of the locking piece 22 and the end plate of the accommodating cavity 21, and the locking piece 22 is stirred to move, so as to realize unlocking;
the inclined stop plate 223 of the locking piece 22 cooperates with the stop block 34 to stop.
As shown in fig. 2 and 8, the female connecting portion 62 of the female member 6 is provided with an external thread, the flange plate 63 is provided with the locking plate 16, and the locking plate 16 is provided with a locking hole;
the female body connecting part 81 of the female body piece 8 is provided with internal threads, the female body connecting part 81 is provided with an accommodating cavity 21 with an upper opening and a rear opening, an end plate of the accommodating cavity 21 is provided with an extending hole 211, a side wall plate is provided with a guide rail 212, and a bottom plate is provided with a positioning bulge 213; a limiting block 84 is arranged on the line cavity part 82 of the female body part 8, and the limiting block 84 is opposite to the rear opening of the accommodating cavity 21;
the diameter of the female body connecting part 81 is larger than that of the wire cavity part 82, and the end surface of the rear part of the female body connecting part 81 is an inclined surface;
the locking piece 22 comprises a seat body 221, a bolt 222 arranged at the front end of the seat body and an inclined stop plate 223 arranged at the rear end of the seat body, wherein guide rail grooves 224 are formed in two ends of the seat body 221, and a positioning groove is formed in the lower surface of the seat body;
the external thread of the female connecting part 62 is screwed with the internal thread of the female connecting part 81, the seat body 221 is embedded into the accommodating cavity 21, the latch 222 extends out of the extending hole 211, the latch 222 is inserted into the locking hole of the locking plate 16, the positioning protrusion 213 is embedded with the positioning groove, and the guide rail 212 is matched with the guide rail groove 224; the inclined stop plate 223 is attached to the inclined surface of the female body connecting part 81;
the inclined stop plate 223 of the locking piece 22 cooperates with the stop block 84 to stop.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (4)
1. A primary-secondary type electric connector comprises a primary plug and a secondary plug, wherein the primary plug comprises a primary part, a contact pin sleeve assembly arranged in the primary part, a wire clamp rubber sleeve and a primary tail nut, the primary part comprises a primary inserting part, a primary connecting part and a flange plate arranged at the intersection of the primary inserting part and the primary connecting part, the primary part comprises a primary connecting part, a middle wire cavity part, an external thread arranged in the wire cavity part and a tail furling part, the primary connecting part of the primary part is connected with the primary connecting part, the wire clamp rubber sleeve is arranged in the furling part, and the primary tail nut is screwed with the external thread; the female plug comprises a female head piece, a contact pin assembly arranged in the female head piece, a female body piece, a wire clamp rubber sleeve and a female tail nut, wherein the female head piece comprises a female insertion part, a female head connecting part and a flange plate arranged at the intersection of the female insertion part and the head connecting part; the sub-plug part is inserted into the female plug part; the method is characterized in that: the female plug-in part of the female head piece is provided with at least two through holes along the axial direction and an arc-shaped hole located between two adjacent through holes along the circumferential direction, a clasp is arranged in each through hole, an arc-shaped plate is arranged in each arc-shaped hole, and a clamping tongue is arranged at the suspended end of each arc-shaped plate;
the adjacent end of the sub-plug part of the sub-head piece and the flange plate is provided with an annular groove, and the sub-plug part is provided with a clearance groove;
the locking device is characterized by also comprising a locking sleeve, wherein the locking sleeve is provided with at least two axial grooves with one ends opened, a circular arc-shaped guide cavity and a locking cavity, and an operation hole is formed in the position, adjacent to the guide cavity, of the locking cavity;
the locking sleeve is sleeved on the female insertion part, the male insertion part of the male head is inserted into the female insertion part, and the clasp is buckled with the annular groove; the circular arc-shaped plate is opposite to the clearance groove on the sub-inserting part of the sub-head piece; in an unlocking state, the clasp corresponds to the axial groove, and the clamping tongue is positioned in the guide cavity; in the locking state, the clamping tongue is attached to the end plate at one end of the locking cavity adjacent to the guide cavity, and the end part of the clamping tongue is opposite to the operation hole; the hooks are offset from the axial grooves.
2. A female-male electrical connector as claimed in claim 1, wherein: the female insertion part is provided with a guide groove, and the through hole and the arc-shaped hole are formed in a bottom plate of the guide groove;
two ends of the locking sleeve are provided with guide sleeves,
the locking sleeve is embedded with the guide groove, and the guide sleeve is in running fit with the outer circumferential surface of the female insertion part.
3. A female-male electrical connector according to claim 1 or 2, wherein: the sub-head connecting part of the sub-head piece is provided with external threads, the flange plate is provided with a locking plate, and the locking plate is provided with a locking hole;
the child body connecting part of the child body piece is provided with internal threads, the child body connecting part is provided with an accommodating cavity with an upper opening and a rear opening, an end plate of the accommodating cavity is provided with an extending hole, a side wall plate is provided with a guide rail, and a bottom plate is provided with a positioning bulge; the line cavity part of the sub-body part is provided with a limiting block, and the limiting block is opposite to the rear opening of the accommodating cavity;
the diameter of the sub-body connecting part is larger than that of the wire cavity part, and the end surface of the rear part of the sub-body connecting part is an inclined surface;
the locking piece comprises a seat body, a spring bolt arranged at the front end of the seat body and an inclined stop plate arranged at the rear end of the seat body, wherein guide rail grooves are formed in two sides of the seat body, and a positioning groove is formed in the lower surface of the seat body;
the external thread of the sub-head connecting part is screwed with the internal thread of the sub-body connecting part, the lock tongue is inserted into the locking hole, the positioning bulge is embedded with the positioning groove, and the guide rail is matched with the guide rail groove; the inclined stop plate is attached to the inclined surface of the connecting part of the sub-body;
the inclined stop plate of the locking piece is matched with the limiting block to stop.
4. A female-male electrical connector according to claim 1 or 2, wherein: the female head connecting part of the female head piece is provided with external threads, the flange plate is provided with a locking plate, and the locking plate is provided with a locking hole;
the female body connecting part of the female body piece is provided with internal threads, the female body connecting part is provided with an accommodating cavity with an upper opening and a rear opening, an end plate of the accommodating cavity is provided with an extending hole, a side wall plate is provided with a guide rail, and a bottom plate is provided with a positioning bulge; the line cavity part of the female body part is provided with a limiting block, and the limiting block is opposite to the rear opening of the accommodating cavity;
the diameter of the female body connecting part is larger than that of the wire cavity part, and the end surface of the rear part of the female body connecting part is an inclined surface;
the locking piece comprises a seat body, a spring bolt arranged at the front end of the seat body and an inclined stop plate arranged at the rear end of the seat body, wherein guide rail grooves are formed in two ends of the seat body, and a positioning groove is formed in the lower surface of the seat body;
the external thread of the female head connecting part is screwed with the internal thread of the female body connecting part, the lock tongue is inserted into the locking hole, the seat body is embedded into the accommodating cavity, the positioning bulge is embedded with the positioning groove, and the guide rail is matched with the guide rail groove; the inclined stop plate is attached to the inclined surface of the connecting part of the female body;
the inclined stop plate of the locking piece is matched with the limiting block to stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583791.3U CN210607849U (en) | 2019-04-25 | 2019-04-25 | Primary-secondary type electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583791.3U CN210607849U (en) | 2019-04-25 | 2019-04-25 | Primary-secondary type electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210607849U true CN210607849U (en) | 2020-05-22 |
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ID=70685868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920583791.3U Active CN210607849U (en) | 2019-04-25 | 2019-04-25 | Primary-secondary type electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210607849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940821A (en) * | 2020-08-07 | 2020-11-17 | 国网江苏省电力有限公司常州供电分公司 | Replacement locking method for universal interface |
-
2019
- 2019-04-25 CN CN201920583791.3U patent/CN210607849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940821A (en) * | 2020-08-07 | 2020-11-17 | 国网江苏省电力有限公司常州供电分公司 | Replacement locking method for universal interface |
| CN111940821B (en) * | 2020-08-07 | 2023-03-07 | 国网江苏省电力有限公司常州供电分公司 | Replacement locking method for universal interface |
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