CN116581623B - Machining and assembling method of anti-withdrawal connector assembly - Google Patents
Machining and assembling method of anti-withdrawal connector assembly Download PDFInfo
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- CN116581623B CN116581623B CN202310635859.9A CN202310635859A CN116581623B CN 116581623 B CN116581623 B CN 116581623B CN 202310635859 A CN202310635859 A CN 202310635859A CN 116581623 B CN116581623 B CN 116581623B
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- metal shell
- section
- locking hole
- connector
- head
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- 230000002512 anti-withdrawal effect Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003754 machining Methods 0.000 title description 2
- 239000002184 metal Substances 0.000 claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000002265 prevention Effects 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention provides a processing and assembling method of an anti-withdrawal connector assembly, which comprises the following steps: firstly, a first metal shell with a first locking hole and a second metal shell with a second locking hole are formed according to a drawing, after the first connector and the second connector which are matched are assembled, a fixing bolt is used for locking a connector assembly, and then an internal thread of an extension section of the first locking hole is damaged through external force, so that the fixing thread cannot be separated from the first locking hole in a separation state of the connector assembly. The invention changes the existing anti-backing structure, can realize the real anti-backing function, simplifies the processing technology and reduces the processing difficulty.
Description
Technical Field
The invention relates to the field of connectors, in particular to a processing and assembling method of an anti-withdrawal connector assembly.
Background
The connector assembly typically includes two mating components, which are often locked by bolts or snaps to ensure the stability of the connection of the two components. Among them, in order to prevent the bolt from being lost, a screw hole in which the bolt is disposed needs to be specially provided for the bolt locking method. As shown in fig. 1, a locking hole 010 with an external thread at the upper section and a light surface hole at the lower section is firstly formed in a shell of a first connector 01, and a corresponding threaded hole 020 is formed in a second connector 02; the anti-backing function is realized by means of the external thread at the head of the bolt 03 and the external thread at the upper half section of the locking hole, so that the problem of losing the bolt is avoided, but when the anti-backing function is realized, the internal thread and the external thread are still very easy to loose in an unstable vibration environment, and the actual anti-backing function cannot be realized.
Disclosure of Invention
In order to solve the above problems, the present invention provides a method for manufacturing and assembling an anti-back connector assembly.
The main content of the invention comprises:
a method of manufacturing and assembling a back-out prevention connector assembly, the back-out prevention connector comprising a mating first assembly and a second assembly, the first assembly comprising a first metal housing and a first connector disposed within the first metal housing; the second assembly includes a second metal housing and a second connector disposed within the second metal housing; the first metal shell and the second metal shell are locked through a fixing unit; the fixing unit comprises a first locking hole, a second locking hole and a fixing bolt arranged in the first locking hole and the second locking hole; the first locking hole comprises a body section and an extension section; the first thread is arranged at the upper parts of the extension section and the body section; the second locking hole is provided with second threads; the fixing bolt comprises a bolt body and a bolt head, wherein the bolt head comprises a head end section with external threads and a head rod section; the outer diameter of the bolt body is larger than that of the head rod section;
the processing and assembling method comprises the following steps:
s1, forming a first locking hole and a second locking hole on the first metal shell and the second metal shell;
s2, respectively assembling a first connector and a second connector in the first metal shell and the second metal shell;
s3, locking the first metal shell and the second metal shell through a fixing bolt, wherein in a locking state, the head end section is arranged in the second locking hole, and the head rod section is arranged in the first locking hole;
s4, damaging the threads of the extension section through external force to obtain the extension section.
Preferably, S1 comprises the following sub-steps:
s11, forming a first metal shell and a second metal shell, wherein the first metal shell comprises a body and a cylinder protruding from the upper end surface of the body;
s12, pre-drilling holes from the upper end face of the column body to the lower end face of the first metal shell to obtain first pre-through holes; pre-drilling holes at the positions corresponding to the second metal shell to obtain second pre-through holes; the first pre-through hole comprises a pre-body section arranged in the first metal shell and an anti-withdrawal section arranged in the column body;
s13, forming threads on the anti-withdrawal section, a section of the pre-body section, which is close to the anti-withdrawal section, and the inner wall of the second pre-through hole according to the requirements of a drawing, so as to obtain a first locking hole and a second locking hole.
Preferably, the blank for forming the first metal shell and the second metal shell has ductility.
Preferably, S13 uses a tapping or tap extrusion process to form the threads.
Preferably, S4 breaks the thread of the extension by riveting the outer wall of the extension.
Preferably, in S4, a riveting tool is used to apply force to the extended outer wall, and the riveting tool includes a riveting head.
Preferably, the shape of the riveting head is rectangular or circular.
The invention has the beneficial effects that: the invention provides a processing and assembling method of an anti-withdrawal connector assembly, which changes the existing anti-withdrawal structure, can realize the real anti-withdrawal function, simplifies the processing technology and reduces the processing difficulty.
Drawings
FIG. 1 is a schematic illustration of a back-out prevention structure of a prior art connector assembly;
FIG. 2 is a schematic view of a connector assembly according to the present invention;
reference numerals:
01-a first connector; 010-locking holes; 02-a second connector; 020-threaded holes; 03-a bolt;
1-a first component; 10-a first metal shell; 11-a first locking hole; 110-a body segment; 111-extension segments;
2-a second component; 20-a second metal shell; 21-a second locking hole;
3-fixing bolts; 30-a bolt body; 31-bolt head; 310-head pole segment; 311-headend section.
Detailed Description
The technical scheme protected by the invention is specifically described below with reference to the accompanying drawings.
The invention provides a processing and assembling method of an anti-withdrawal connector assembly, which changes the anti-withdrawal structure of the existing anti-withdrawal connector and has simpler and more effective processing and manufacturing process.
Referring to fig. 2, the structure of the connector assembly of the present invention is shown, fig. 2 is only a schematic structure, and other connector assemblies using the anti-back-out structure of the present invention are also within the scope of the present invention. Specifically, the anti-back connector comprises a first component 1 and a second component 2 which are matched, wherein the first component 1 comprises a first metal shell 10 and a first connector arranged in the first metal shell; the second assembly 2 includes a second metal housing 20 and a second connector disposed within the second metal housing; when the first and second components 1 and 2 are aligned, the first and second connectors are electrically connected, and the first and second metal cases 10 and 20 are locked at least by a fixing unit; the fixing unit includes a first locking hole 11, a second locking hole 21, and a fixing bolt 3 disposed in the first and second locking holes 11 and 21; further, the first locking hole 11 has a discontinuous thread and a continuous thread. When the first component 1 and the second component 2 are to be separated, the fixing bolt 3 is screwed out of the second locking hole and is retracted into the first locking hole 11, and the continuous threads of the first locking hole 11 can prevent the fixing bolt 3 from being separated from the first metal shell 10 to a certain extent on one hand, and the discontinuous threads of the fixing bolt 3 can avoid the fixing bolt 3 from being separated more on the other hand.
Specifically, the first locking hole 11 includes a body section 110 formed in the first metal casing and an extension section 111 protruding from the upper end of the first metal casing 10; wherein the inside of the upper parts of the extension section 111 and the body section 110 are provided with first threads, and the extension section 111 has discontinuous threads; and the second locking hole 21 has a second thread; accordingly, the fixing bolt 3 comprises a bolt body 30 and a bolt head 31, wherein the bolt head 31 comprises a head end section 311 and a head rod section 310 with external threads; the outer circumference of the head rod section 310 is not provided with threads, and the outer diameter of the bolt body 30 is larger than the outer diameter of the head rod section 310; when the first component 1 and the second component 2 are locked in a matched manner, the external thread of the head end section 311 is screwed and matched in the second locking hole 21, at this time, the head rod section 310 is positioned in the main body section 110, and the outer diameter of the screw body 30 is larger than the inner diameter of the extension section 111 and abuts against the end surface of the extension section 111, so that the fixing bolt cannot be excessively screwed in.
The processing and assembling method provided by the invention comprises the following steps:
firstly, preparing blanks for forming the first metal shell and the second metal shell, wherein the blanks need to have certain ductility or only have partial ductility;
next, forming the rudiments of the first metal shell and the second metal shell, and most importantly, the rudiments of the first metal shell comprise a body and a cylinder convexly arranged on the upper end surface of the body; the cylinder may be integrally formed with the body or may be formed separately, and if the cylinder is formed separately, the blank for forming the first metal shell may be formed of only ductile material for subsequent forming of the discontinuous threads using external force.
Then, pre-drilling from the upper end face of the column body to the lower end face of the first metal shell to obtain a first pre-through hole; pre-drilling holes at the positions corresponding to the second metal shell to obtain second pre-through holes; the first pre-through hole comprises a pre-body section arranged in the first metal shell and an anti-withdrawal section arranged in the column body;
then, forming threads on the inner walls of the anti-withdrawal section, a section of the pre-body section close to the anti-withdrawal section and the second pre-through hole according to the drawing requirements, and respectively forming the extension section 111 and the body section 110, thereby obtaining a first locking hole 11 and a second locking hole 21; more specifically, a method of tapping or tap extrusion processing may be used to form the threads.
Next, fitting a first connector and a second connector into the first metal housing and the second metal housing, respectively;
the first metal shell and the second metal shell are locked by the fixing bolt 3, so that in the locked state, the head end section 311 is configured in the second locking hole 21, and the head rod section 310 is configured in the main body section 110 of the first locking hole 11;
then, in a locking state, damaging the threads of the extension section through external force to obtain the extension section; in one embodiment, the outer wall of the extension section can be riveted to break the thread of the extension section, and further, a riveting tool is used for applying force to the outer wall of the extension section, and the riveting tool comprises a riveting head; preferably, the shape of the riveting head is rectangular or circular, the riveting pressure is related to the thickness of the extension section and the used material, and the riveting head can be selected according to actual needs and used, and the details are not repeated here.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. A method of manufacturing and assembling an anti-back connector assembly, wherein the anti-back connector comprises a first assembly and a second assembly which are matched, the first assembly comprises a first metal shell and a first connector arranged in the first metal shell; the second assembly includes a second metal housing and a second connector disposed within the second metal housing; the first metal shell and the second metal shell are locked through a fixing unit; the fixing unit comprises a first locking hole, a second locking hole and a fixing bolt arranged in the first locking hole and the second locking hole; the first locking hole comprises a body section and an extension section; the inner walls of the upper parts of the extension section and the body section are provided with first threads; the second locking hole is provided with second threads; the fixing bolt comprises a bolt body and a bolt head, wherein the bolt head comprises a head end section with external threads and a head rod section; the outer diameter of the bolt body is larger than that of the head rod section;
the processing and assembling method comprises the following steps:
s1, forming a first locking hole and a second locking hole on the first metal shell and the second metal shell;
s2, respectively assembling a first connector and a second connector in the first metal shell and the second metal shell;
s3, locking the first metal shell and the second metal shell through a fixing bolt, wherein in a locking state, the head end section is arranged in the second locking hole, and the head rod section is arranged in the first locking hole;
s4, damaging the threads of the extension section through external force to obtain the extension section;
and S4, riveting the outer wall of the extension section to break the thread of the extension section.
2. The method of manufacturing and assembling a back-out prevention connector assembly of claim 1, wherein S1 comprises the sub-steps of:
s11, forming a first metal shell and a second metal shell, wherein the first metal shell comprises a body and a cylinder protruding from the upper end surface of the body;
s12, pre-drilling holes from the upper end face of the column body to the lower end face of the first metal shell to obtain first pre-through holes; pre-drilling holes at the positions corresponding to the second metal shell to obtain second pre-through holes; the first pre-through hole comprises a pre-body section arranged in the first metal shell and an anti-withdrawal section arranged in the column body;
s13, forming threads on the anti-withdrawal section, a section of the pre-body section, which is close to the anti-withdrawal section, and the inner wall of the second pre-through hole according to the requirements of a drawing, so as to obtain a first locking hole and a second locking hole.
3. The method of manufacturing and assembling a back-out prevention connector assembly of claim 2, wherein the blank for forming the first metal shell and the second metal shell is ductile.
4. The method of manufacturing and assembling a back-out prevention connector assembly according to claim 2, wherein S13 uses a method of tapping or tap extrusion to form threads.
5. The method of claim 1, wherein S4 uses a riveting tool to apply force to the extended outer wall, the riveting tool comprising a riveting head.
6. The method of manufacturing and assembling a back-out prevention connector assembly according to claim 5, wherein the rivet head has a rectangular or circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310635859.9A CN116581623B (en) | 2023-05-31 | 2023-05-31 | Machining and assembling method of anti-withdrawal connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310635859.9A CN116581623B (en) | 2023-05-31 | 2023-05-31 | Machining and assembling method of anti-withdrawal connector assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116581623A CN116581623A (en) | 2023-08-11 |
| CN116581623B true CN116581623B (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310635859.9A Active CN116581623B (en) | 2023-05-31 | 2023-05-31 | Machining and assembling method of anti-withdrawal connector assembly |
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| Country | Link |
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| CN (1) | CN116581623B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201335084Y (en) * | 2009-01-13 | 2009-10-28 | 云南塔标紧固件有限公司 | Anti-theft fastening bolt |
| CN202401762U (en) * | 2011-10-24 | 2012-08-29 | 惠建朋 | Field poured external wall water stop screw |
| CN203655852U (en) * | 2013-12-16 | 2014-06-18 | 浙江三林五金制品有限公司 | Anti-retraction bolt |
| CN109114092A (en) * | 2018-10-22 | 2019-01-01 | 鲁东大学 | A kind of Anti-loosen stop nut |
| CN209990757U (en) * | 2019-03-22 | 2020-01-24 | 江苏新成标准件有限公司 | Anti-loosening special-shaped combined bolt |
| CN210240270U (en) * | 2019-08-02 | 2020-04-03 | 浙江铁霸精密五金制造有限公司 | Self-locking fastener |
| CN113483005A (en) * | 2021-07-05 | 2021-10-08 | 乐清市恒通电气有限公司 | Backstop and anti-drop process of bolt fastening type terminal |
| CN215870097U (en) * | 2021-09-10 | 2022-02-18 | 富加宜电子（南通）有限公司 | Quick assembly device that connector subassembly was used |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100000375A1 (en) * | 2008-07-07 | 2010-01-07 | Steinbock Robert C | Tamper resistant jackbolts for a tensioner |
-
2023
- 2023-05-31 CN CN202310635859.9A patent/CN116581623B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201335084Y (en) * | 2009-01-13 | 2009-10-28 | 云南塔标紧固件有限公司 | Anti-theft fastening bolt |
| CN202401762U (en) * | 2011-10-24 | 2012-08-29 | 惠建朋 | Field poured external wall water stop screw |
| CN203655852U (en) * | 2013-12-16 | 2014-06-18 | 浙江三林五金制品有限公司 | Anti-retraction bolt |
| CN109114092A (en) * | 2018-10-22 | 2019-01-01 | 鲁东大学 | A kind of Anti-loosen stop nut |
| CN209990757U (en) * | 2019-03-22 | 2020-01-24 | 江苏新成标准件有限公司 | Anti-loosening special-shaped combined bolt |
| CN210240270U (en) * | 2019-08-02 | 2020-04-03 | 浙江铁霸精密五金制造有限公司 | Self-locking fastener |
| CN113483005A (en) * | 2021-07-05 | 2021-10-08 | 乐清市恒通电气有限公司 | Backstop and anti-drop process of bolt fastening type terminal |
| CN215870097U (en) * | 2021-09-10 | 2022-02-18 | 富加宜电子（南通）有限公司 | Quick assembly device that connector subassembly was used |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116581623A (en) | 2023-08-11 |
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