CN111585108B - A self-locking plug - Google Patents
A self-locking plug Download PDFInfo
- Publication number
- CN111585108B CN111585108B CN202010488189.9A CN202010488189A CN111585108B CN 111585108 B CN111585108 B CN 111585108B CN 202010488189 A CN202010488189 A CN 202010488189A CN 111585108 B CN111585108 B CN 111585108B
- Authority
- CN
- China
- Prior art keywords
- boss
- plug
- nut
- compression
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012212 insulator Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims description 65
- 230000006835 compression Effects 0.000 claims description 63
- 230000001681 protective effect Effects 0.000 claims description 4
- 210000000078 claw Anatomy 0.000 claims description 2
- 206010065612 Loose tooth Diseases 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 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
- H01R13/62—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
-
- 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
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- 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
- H01R13/627—Snap or like fastening
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
本发明涉及电连接器技术领域，一种自锁插头，包括插头壳体1、连接螺帽2、压紧垫片3、弹簧、压紧螺帽5、接触件和绝缘体组件7，插头壳体1中段外环面上设有环形第一凸台101，连接螺帽2套装在插头壳体1上，连接螺帽2中段内壁具有环形第二凸台201，压紧螺帽5与第一凸台101之间设置有弹簧和压紧垫片3，第一凸台101靠近压紧螺帽5侧的端面上设有环绕该端面排列的第一防松齿1011，压紧垫片3在其与第一凸台101相抵接的端面上设有环绕该端面排列的第二防松齿301，通过压紧螺帽5与弹簧对啮合的第一防松齿1011、第二防松齿301挤压形成自锁，其具有分离力矩大、密封性能佳优点。
The present invention relates to the technical field of electrical connectors, and is a self-locking plug, comprising a plug housing 1, a connecting nut 2, a clamping gasket 3, a spring, a clamping nut 5, a contact piece and an insulator assembly 7. An annular first boss 101 is provided on the outer ring surface of the middle section of the plug housing 1, the connecting nut 2 is sleeved on the plug housing 1, and an annular second boss 201 is provided on the inner wall of the middle section of the connecting nut 2. A spring and a clamping gasket 3 are provided between the clamping nut 5 and the first boss 101. A first anti-loosening tooth 1011 arranged around the end surface of the first boss 101 close to the clamping nut 5 is provided, and a second anti-loosening tooth 301 arranged around the end surface of the clamping gasket 3 abutting against the first boss 101 is provided. The clamping nut 5 and the spring are squeezed to form a self-locking state by squeezing the first anti-loosening tooth 1011 and the second anti-loosening tooth 301 meshing with each other, and the clamping nut 5 has the advantages of large separation torque and good sealing performance.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a self-locking plug.
Background
In order to improve the connection performance of the threaded connection type electric connector product, the plug and the socket of the connector still keep reliable connection under the environments such as vibration, impact and the like, the locking function of the product is required to be realized by externally adding a fuse or fastening nails after the plug and the socket are connected, and the operation method is complex and cumbersome, so that a self-locking plug which is simple in structure, convenient to operate and capable of ensuring reliable connection after the products are butted by means of the self mechanical structure is urgently needed.
Disclosure of Invention
In order to solve the problems, the invention provides a self-locking plug which has the advantages of large separation moment and good sealing performance.
The self-locking plug comprises a plug shell, a connecting nut, a compression gasket, a spring, a compression nut, a contact piece and an insulator component, wherein the plug shell is tubular, the insulator component and the contact piece for realizing electric signal connection are arranged in the plug shell, an annular first boss is arranged on the outer annular surface of the middle section of the plug shell, the connecting nut is sleeved on the plug shell, the connecting nut body is tubular, an annular second boss is arranged on the inner wall of the middle section of the connecting nut, the first boss is abutted against the second boss, the compression nut is in threaded connection with the tail end of the connecting nut, the spring and the compression gasket are arranged between the compression nut and the first boss, first locking teeth which are arranged around the end surface are arranged on the end surface of the first boss, and second locking teeth which are arranged around the end surface are arranged on the end surface of the compression gasket and are formed by self-locking the first locking teeth and the second locking teeth which are engaged with the spring pair through the compression nut.
Preferably, the contact is a jack assembly including a jack and a protective sleeve mounted on the jack.
Preferably, the spring is a disc spring interposed between the compression washer and the compression nut.
Preferably, the insulator assembly comprises an interface sealing body, a front insulator, a rear insulator and a wire sealing body which are axially arranged along the socket shell, the jack assembly is fixed in the insulator assembly through a claw, a first key groove is formed in the insulator assembly, a second key groove is formed in the inner wall of the plug shell, and the insulator assembly is matched with the second key groove through a key bonded in the first key groove to prevent the insulator assembly from rotating.
Preferably, 3 positioning keys are arranged on the outer ring surface of the compression gasket at equal intervals, 3 key grooves corresponding to the compression nut are arranged on the outer ring surface of the compression nut, and the positioning keys of the compression gasket are respectively arranged in the key grooves of the compression nut.
Preferably, a shielding ring is also arranged between the plug housing and the connecting nut.
Preferably, the first boss is provided with a first annular groove, and a rubber ring is arranged in the first annular groove.
Preferably, the plug housing is provided with a second annular groove at the joint of the plug housing and the compression nut, and a sealing ring is arranged in the second annular groove.
Preferably, a friction pad is arranged between the first boss and the second boss.
Preferably, a third boss is provided on the plug housing, the third boss being adapted to define an axial position of the compression nut
The plug has the beneficial effects that the compression amount of the disc spring is determined through the cooperation between the compression nut and the connection nut, meanwhile, the disc spring applies pressure between the compression gasket and the plug shell, so that the first anti-loosening tooth on the plug shell is meshed with the second anti-loosening tooth on the compression gasket, the self-locking function of a product is realized, the rubber ring arranged in the annular groove of the first boss and the upper sealing ring arranged in the annular groove of the second boss are respectively in radial cooperation with the connection nut and the compression nut, the tightness of the plug is enhanced, and the abrasion of the shell and the connection nut during connection and separation of the plug is reduced through the friction gasket arranged between the plug shell and the connection nut.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of an insulator assembly of the present invention;
FIG. 3 is a schematic view of the jack assembly of the present invention;
FIG. 4 is a schematic view of a plug housing according to the present invention;
FIG. 5 is a schematic view of the structure of a compression pad of the present invention;
FIG. 6 is a schematic view of the construction of the compression nut of the present invention;
FIG. 7 is a schematic view of the disc spring of the present invention;
the reference numerals include:
1-plug housing, 101-first boss, 1011-first locking tooth, 102-third boss, 2-connecting nut, 201-second boss, 3-compression washer, 301-second locking tooth, 302-locating key, 4-disc spring, 5-compression nut, 501-keyway, 6-jack, 61-protective sleeve, 7-insulator assembly, 71-interface seal, 72-front insulator, 73-rear insulator, 74-wire seal, 8-shielding ring, 9-rubber ring, 10-sealing ring, 11-friction washer, 12-jaw, 13-key.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-7, a self-locking plug comprises a plug shell 1, a connecting nut 2, a compression gasket 3, a spring, a compression nut 5, a contact and an insulator assembly 7, wherein the plug shell 1 is in a tubular shape, the insulator assembly 7 and the contact for realizing electric signal connection are installed in the plug shell 1, an annular first boss 101 is arranged on the outer annular surface of the middle section of the plug shell 1, the connecting nut 2 is sleeved on the plug shell 1, the connecting nut 2 is in a tubular shape, an annular second boss 201 is arranged on the inner wall of the middle section of the connecting nut 2, the first boss 101 is abutted against the second boss 201, the compression nut 5 is in threaded connection with the tail end of the connecting nut 2, a spring and the compression gasket 3 are arranged between the compression nut 5 and the first boss 101, a plurality of first locking teeth 1011 are arranged on the end surface of the first boss 101 close to the compression nut 5 side, a plurality of second locking teeth 301 are arranged on the end surface of the compression gasket 3 in an abutting manner around the end surface, the second locking teeth 301 and the first locking teeth 1011 are mutually inserted into gaps, and the first locking teeth 1011 are mutually meshed with the first locking teeth 1011 through the compression nut 5. When the compression nut 5 is screwed, the disc spring 7 in the compression nut 5 is extruded between the first boss 101 and the compression nut 5, so that the disc spring 7 gives thrust to the compression gasket 5, the compression gasket is tightly attached to the first boss 101, the first locking teeth 1011 are tightly meshed with the second locking teeth 301, and the effects of small connecting moment and large separating moment are realized through different angles of the two sides of the locking teeth, so that the self-locking function of the plug is realized.
The contact is a jack assembly comprising a jack 6 and a protective sleeve 61 mounted on the jack 6. The protective sleeve 61 is used for preventing the contact bodies with different specifications from being misplaced during the butt joint.
The spring is a disc spring 4, the disc spring 4 is arranged between the pressing gasket 3 and the pressing nut 5, and other springs with equivalent functions can be adopted in other embodiments.
The insulator assembly 7 comprises an interface sealing body 71, a front insulator 72, a rear insulator 73 and a wire sealing body 74 which are axially arranged along the socket shell, the jack 6 assembly is fixed in the insulator assembly 7 through the clamping jaw 12, a first key groove is formed in the insulator assembly 7, a second key groove is formed in the inner wall of the plug shell 1, and the insulator assembly 7 is matched with the second key groove through a key 13 bonded in the first key groove to prevent the insulator assembly 7 from rotating.
The outer ring surface of the compression gasket 3 is provided with 3 positioning keys 302 at equal intervals, the outer ring surface of the compression nut 5 is provided with 3 key grooves 501 corresponding to the positioning keys, and the positioning keys 302 of the compression gasket 3 are respectively arranged in the key grooves 501 of the compression nut 5. The design is convenient for positioning the compression gasket 3 and the compression nut 5, and the axial and radial positions of the compression gasket 3 are fixed through the cooperation of the positioning key 302 and the key groove 501.
A shielding ring 8 is further arranged between the plug housing 1 and the connecting nut 2, and the shielding performance of the product is improved by the shielding ring 8.
The first boss 101 is provided with a first annular groove, and the rubber ring 9 is arranged in the first annular groove, so that the tightness of the plug can be improved.
The plug housing 1 is provided with a second annular groove at the joint of the plug housing and the compression nut 5, and a sealing ring 10 is arranged in the second annular groove, so that the tightness of the plug can be improved.
The friction pad 11 is arranged between the first boss 101 and the second boss 201, so that abrasion of the contact surface of the first boss 101 and the second boss 201 during plug connection and disconnection is avoided.
The plug housing 1 is provided with a third boss 102, the third boss 102 is used for limiting the axial position of the compression nut 5, and meanwhile, the distance between the compression nut 5 and the connecting nut 2 and the first boss 101 can be measured after the compression nut 5 and the connecting nut 2 are screwed, so that the specification parameters of the compression gasket 3 and the disc spring 4 can be conveniently set.
The foregoing is merely exemplary of the present invention, and many variations may be made in the specific embodiments and application scope of the invention by those skilled in the art based on the spirit of the invention, as long as the variations do not depart from the gist of the invention.
Claims (2)
1. A self-locking plug is characterized by comprising a plug shell (1), a connecting nut (2), a compression gasket (3), a spring, a compression nut (5), a contact piece and an insulator component (7), wherein the plug shell (1) is in a tubular shape, the insulator component (7) and the contact piece for realizing electric signal connection are arranged in the plug shell (1), an annular first boss (101) is arranged on the outer annular surface of the middle section of the plug shell (1), the connecting nut (2) is sleeved on the plug shell (1), the connecting nut (2) is in a tubular shape, an annular second boss (201) is arranged on the inner wall of the middle section of the connecting nut (2), the first boss (101) is abutted against the second boss (201), the compression nut (5) is in threaded connection with the tail end of the connecting nut (2), a spring and the compression gasket (3) are arranged between the compression nut (5) and the first boss (101), a first tooth (1011) arranged around the end surface of the first boss (101) on the side close to the compression nut (5) is provided with a first tooth (1011) arranged around the end surface of the first boss (101), and the first tooth (1011) is meshed with the first tooth (301) arranged around the first end surface of the first boss (101) The second anti-loose tooth (301) is extruded to form self-locking;
the contact is a jack assembly, and the jack assembly comprises a jack (6) and a protective sleeve (61) arranged on the jack (6);
The socket comprises a socket body, a plug body and a plug, wherein the plug body is characterized in that the spring is a disc spring (4), the disc spring (4) is arranged between a compression gasket (3) and a compression nut (5), the plug body assembly (7) comprises an interface sealing body (71), a front insulator (72), a rear insulator (73) and a wire sealing body (74) which are axially arranged along the socket body, the plug body assembly is fixed in the plug body assembly (7) through a claw (12), a first key groove is arranged on the plug body assembly (7), a second key groove is arranged on the inner wall of the plug body (1), and the plug body assembly (7) is matched with the second key groove through a key (13) adhered in the first key groove to prevent the plug body assembly (7) from rotating;
3 positioning keys (302) are arranged on the outer ring surface of the compression gasket (3) at equal intervals, 3 key grooves (501) corresponding to the compression nut are arranged on the outer ring surface of the compression nut (5), and the positioning keys (302) of the compression gasket (3) are respectively arranged in the key grooves (501) of the compression nut (5);
A first annular groove is formed in the first boss (101), and a rubber ring (9) is arranged in the first annular groove;
the plug shell (1) is provided with a second annular groove at the joint of the plug shell and the compression nut (5), and a sealing ring (10) is arranged in the second annular groove;
A friction gasket (11) is arranged between the first boss (101) and the second boss (201);
a third boss (102) is arranged on the plug housing (1), and the third boss (102) is used for limiting the axial position of the compression nut (5).
2. The self-locking plug according to claim 1, characterized in that a shielding ring (8) is also arranged between the plug housing (1) and the connection nut (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010488189.9A CN111585108B (en) | 2020-06-02 | 2020-06-02 | A self-locking plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010488189.9A CN111585108B (en) | 2020-06-02 | 2020-06-02 | A self-locking plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111585108A CN111585108A (en) | 2020-08-25 |
| CN111585108B true CN111585108B (en) | 2025-01-03 |
Family
ID=72123551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010488189.9A Active CN111585108B (en) | 2020-06-02 | 2020-06-02 | A self-locking plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111585108B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217055B (en) * | 2020-10-28 | 2024-09-24 | 成都宏明电子股份有限公司 | Ratchet push-pull self-locking electric connector |
| CN115036734A (en) * | 2022-06-20 | 2022-09-09 | 中航光电科技股份有限公司 | Plug, socket and connector assembly |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211929805U (en) * | 2020-06-02 | 2020-11-13 | 沈阳兴华航空电器有限责任公司 | Self-locking plug |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3164030U (en) * | 2010-08-30 | 2010-11-11 | 定一 羅 | Safety socket |
| CN102280758B (en) * | 2011-05-24 | 2013-08-07 | 中航光电科技股份有限公司 | Connector assembly with hand feeling of connection in place |
| CN103401094A (en) * | 2013-07-29 | 2013-11-20 | 沈阳兴华航空电器有限责任公司 | Self-locking plug |
| CN205355400U (en) * | 2016-01-04 | 2016-06-29 | 沈阳兴华航空电器有限责任公司 | Resistant plug -type locking plug that shakes by force |
| CN210430294U (en) * | 2019-09-18 | 2020-04-28 | 洛阳赛焱光电科技有限公司 | Self-locking connector with detachable contact piece and connector assembly |
-
2020
- 2020-06-02 CN CN202010488189.9A patent/CN111585108B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211929805U (en) * | 2020-06-02 | 2020-11-13 | 沈阳兴华航空电器有限责任公司 | Self-locking plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111585108A (en) | 2020-08-25 |
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