CN112984252A - Automatic locking structure of connector - Google Patents
Automatic locking structure of connector Download PDFInfo
- Publication number
- CN112984252A CN112984252A CN202110206676.6A CN202110206676A CN112984252A CN 112984252 A CN112984252 A CN 112984252A CN 202110206676 A CN202110206676 A CN 202110206676A CN 112984252 A CN112984252 A CN 112984252A
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- CN
- China
- Prior art keywords
- locking
- sleeve body
- limiting
- female end
- ball
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/0841—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a transversally slidable locking member surrounding the tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses an automatic locking structure of a connector, which comprises a male end element and a female end element, wherein the female end element comprises a female end tubular shaft main body, a ball sleeve body with axial elastic displacement and a locking sleeve body with axial elastic displacement, which is arranged on the periphery of the ball sleeve body, are arranged in the female end tubular shaft main body, a plurality of circumferentially distributed locking bodies with radial displacement are arranged on the ball sleeve body, and locking ring ribs and avoiding ring grooves which are respectively arranged on two sides of the locking ring ribs are arranged on the locking sleeve body; the male end element comprises a male end shaft tube, and a locking ring groove is formed in the male end shaft tube. The invention meets the requirement of automatic locking by the elastic displacement matching of the locking sleeve body and the ball sleeve body, has high efficiency and smoothness of assembly, disassembly and assembly, reliable and stable locking structure, and meets the requirement of high-frequency assembly, disassembly and assembly. The double-elastic displacement is adopted for matching, so that ball avoidance during assembly and disassembly is realized, insertion and extraction abrasion is reduced, meanwhile, the alignment locking precision and stability are guaranteed, the effective service life is prolonged, and the locking structure is greatly simplified.
Description
Technical Field
The invention relates to an automatic locking structure of a connector, belonging to the technical field of a ball type locking structure of the connector.
Background
The connector generally comprises a male end element and a female end element, an axial butt joint locking structure needs to be designed between the male end element and the female end element, the traditional connection mode adopts a buckle type matching mode, the strength of the buckle matching structure is poor, and frequent plugging and unplugging are easy to cause damage, so that a ball type locking structure appears.
Chinese patent publication No. CN1912441A discloses a connection assembly for a fluid flow circuit, which uses a slider and a control member with a locking element to lock an end piece, uses a waist hole structure to avoid the displacement of a ball, and has poor stability of the locking structure, and complex matching structures among the control member, the slider and a body.
The chinese patent publication No. CN208138665U discloses a fluid connector, in which a ball structure is disposed on a male end, so that both a male end element and a female end element are complicated, the ball is disposed in the male end element complicated and has poor stability, and a limit structure, a locking sleeve, etc. need to be designed on the female end element, which does not reduce the production cost of the connector and does not improve the locking performance.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides an automatic locking structure of a connector aiming at the problems of complex structure, poor matching stability and the like of the traditional ball type locking structure.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the automatic locking structure of the connector comprises a male end element and a female end element, wherein the female end element comprises a female end tubular shaft main body, a ball sleeve body with axial elastic displacement and a locking sleeve body with axial elastic displacement, which is arranged on the periphery of the ball sleeve body, are arranged in the female end tubular shaft main body, a limiting part for limiting the locking sleeve body to elastically extend towards the male end element is arranged on the female end tubular shaft main body,
the ball sleeve body is provided with a plurality of circumferentially distributed locking bodies with radial displacement, and the locking sleeve body is provided with a locking ring rib and avoidance ring grooves, wherein the locking ring rib is used for radially pressing and connecting the locking bodies, and the avoidance ring grooves are respectively arranged on two sides of the locking ring rib;
the male end element comprises a male end shaft tube which is used for being matched with the female end shaft tube main body in an inserting mode, and a locking ring groove which is used for being matched with the locking body in a locking mode is formed in the male end shaft tube.
Preferably, a limiting bush is arranged on the main body of the tubular shaft at the female end, an elastic element is arranged between the limiting bush and the ball sleeve body,
the limiting bush is provided with a limiting ring bulge towards the periphery of one end of the elastic element, the inner pipe wall of the locking sleeve body is provided with a limiting bulge matched with the limiting ring bulge, and the limiting bulge is positioned on one side, away from the ball sleeve body, of the limiting ring bulge.
Preferably, a tubular shaft ring seat is arranged on one side of the female end tubular shaft body, which is far away from the male end element, an extension tubular end which extends towards the male end element and is positioned on the periphery of the limiting bush is arranged on the tubular shaft ring seat,
an annular cavity is formed among the locking sleeve body, the extension pipe end, the limiting bush and the limiting convex part, and a spring is arranged in the annular cavity.
Preferably, an annular convex end used for limiting the ball sleeve body is arranged at one end, facing the male end element, of the female end pipe shaft main body, and an annular convex limiting part located between the annular convex end and the limiting bush is arranged on the ball sleeve body.
The invention has the following beneficial effects:
1. the locking sleeve body is matched with the ball sleeve body in an elastic displacement mode, so that the requirement for automatic locking is met, the assembly, disassembly and assembly are efficient and smooth, the locking structure is reliable and stable, and the requirement for high-frequency assembly, disassembly and assembly is met.
2. The double-elastic displacement is adopted for matching, so that ball avoidance during assembly and disassembly is realized, insertion and extraction abrasion is reduced, meanwhile, the alignment locking precision and stability are guaranteed, and the effective service life of the connector is prolonged.
3. Greatly simplifies the locking structure, reduces the manufacturing cost and has higher economic value.
Drawings
Fig. 1 is a schematic view of a pre-mating structure of an automatic locking structure of a connector of the present invention.
Fig. 2 is a schematic view of the mated structure of the automatic locking structure of the connector of the present invention.
Fig. 3 is a schematic view showing a mating process of the automatic locking structure of the connector of the present invention.
Fig. 4 is a schematic view of a separated structure of the automatic locking structure of the connector of the present invention.
Detailed Description
The invention provides an automatic locking structure of a connector. The technical solution of the present invention is described in detail below with reference to the accompanying drawings so that it can be more easily understood and appreciated.
The automatic locking structure of the connector, as shown in fig. 1 to 4, comprises a male terminal member 1 and a female terminal member 2.
The female end element 2 comprises a female end tubular shaft main body 3, a ball sleeve body 4 with axial elastic displacement and a locking sleeve body 5 with axial elastic displacement, which is arranged on the periphery of the ball sleeve body 4, are arranged in the female end tubular shaft main body 3, and a limiting part 6 for limiting the locking sleeve body 5 to elastically extend towards the male end element is arranged on the female end tubular shaft main body 3.
The ball sleeve body 4 is provided with a plurality of circumferentially distributed locking bodies 7 with radial displacement, the locking bodies 7 are ball bodies, and the locking sleeve body 5 is provided with a locking ring rib 8 for radially pressing the locking bodies 7 and avoiding ring grooves 9 respectively arranged at two sides of the locking ring rib.
The male end element 1 comprises a male end shaft tube 10 which is used for being matched with the female end shaft tube body 3 in an inserting mode, and a locking ring groove 11 which is used for being matched with the locking solid 7 in a locking mode is arranged on the male end shaft tube 10.
The specific implementation process and principle description are as follows:
as shown in fig. 1, the male end element 1 and the female end element 2 are aligned and matched, and then the male end shaft tube 10 of the male end element 1 is inserted into the female end shaft tube body 3, at this time, as shown in fig. 3, the free end of the male end shaft tube 10 axially presses the locking solid 7, the axial pressure drives the ball sleeve 4 to axially displace, so that the locking solid 7 and the locking ring rib 8 are axially dislocated, the locking solid 7 radially displaces and is located in the locking ring groove 11 on the side of the locking ring rib 8 departing from the male end element 1, when the male end shaft tube 10 displaces to the position where the locking solid 7 is matched with the locking ring groove 11, the locking solid 7 radially embeds into the locking ring groove 11, and at this time, the ball sleeve 4 axially resets, so that the locking ring rib 8 is pressed against the locking solid 7, and the locking ring rib 8, the locking solid 7 and the male end shaft tube 10 are locked together, thereby achieving tight fit.
When the male end element 1 and the female end element 2 are separated, as shown in fig. 4, the locking sleeve body 5 is driven by axial displacement away from the male end element 1, so that the locking body 7 and the locking ring rib 8 are opposite to each other towards the avoiding ring groove 9 on one side of the male end element 1, the male end element 1 is pulled to move away from the female end element 2, radial pressure on the locking body 7 is generated, and the locking body 7 is radially embedded into the avoiding ring groove 9 to provide yielding displacement, so that the requirement of the male end shaft tube 10 for yielding is met.
In one embodiment, the main body 3 of the female end tubular shaft is provided with a limiting bush 12, an elastic element 13 is arranged between the limiting bush 12 and the ball sleeve body 4, a limiting ring protrusion 14 is arranged on an outer periphery of one end of the limiting bush 12 facing the elastic element 13, a limiting protrusion 15 for matching with the limiting ring protrusion is arranged on an inner wall of the lock sleeve body 5, and the limiting protrusion 15 is located on a side of the limiting ring protrusion away from the ball sleeve body. A tubular shaft ring seat 16 is arranged on one side of the female end tubular shaft body 3, which is far away from the male end element, an extension pipe end 17 which extends towards the male end element 1 and is positioned on the periphery of the limiting bush is arranged on the tubular shaft ring seat 16, an annular cavity is formed among the locking sleeve body, the extension pipe end, the limiting bush and the limiting convex part, and a spring 18 is arranged in the annular cavity.
The specific implementation process and principle description are as follows:
the design of the limiting bush 12 can meet the matching requirement with the ball sleeve body 4 and the limiting matching requirement with the locking sleeve body 5.
Specifically, during the insertion of the male component 1, the limiting protrusion 15 is tightly abutted against the limiting ring protrusion 14 by the spring 18, the position of the locking sleeve body 5 is kept stable during the insertion of the male component 1, and the ball is avoided only by the axial elastic floating of the male shaft tube 10 to the ball sleeve body 4.
In more detail, one end of the female end tubular shaft main body facing the male end element is provided with an annular convex end 19 for limiting the ball sleeve body, and the ball sleeve body is provided with an annular convex limiting part 20 positioned between the annular convex end and the limiting bush.
Specifically, the lock sleeve body 5 makes the limit protrusion 15 tightly abut on the limit ring protrusion 14 through the spring 18, and the ball sleeve body 4 makes the limit ring protrusion 20 tightly abut on the ring protrusion 19 through the elastic element 13, and the spring 18 and the elastic element 13 are in an elastic compression state in the initial position as shown in fig. 1.
In the process of threading the male end shaft tube 10, the ball sleeve body 4 presses the elastic element 13 through contact with balls, the elastic element 13 releases the elastic element after the assembly is completed, in the process of pulling the male end shaft tube 10 out, the locking sleeve body 5 is driven to press the spring 18, and the spring 18 resets after the locking sleeve body is pulled out, so that the alignment precision of the locking body 7 and the locking ring rib 8 is guaranteed.
Through the above description, it can be found that the automatic locking structure of the connector of the present invention satisfies the automatic locking requirement through the elastic displacement matching of the locking sleeve and the ball sleeve, and has the advantages of high efficiency and smoothness of assembly, disassembly and assembly, reliable and stable locking structure, and high frequency assembly, disassembly and assembly requirements. The double-elastic displacement is adopted for matching, so that ball avoidance during assembly and disassembly is realized, insertion and extraction abrasion is reduced, meanwhile, the alignment locking precision and stability are guaranteed, and the effective service life of the connector is prolonged. Greatly simplifies the locking structure, reduces the manufacturing cost and has higher economic value.
The technical solutions of the present invention are fully described above, it should be noted that the specific embodiments of the present invention are not limited by the above description, and all technical solutions formed by equivalent or equivalent changes in structure, method, or function according to the spirit of the present invention by those skilled in the art are within the scope of the present invention.
Claims (4)
1. Automatic locking structure of connector, including public end component and female end component, its characterized in that:
the female end element comprises a female end tubular shaft main body, a ball sleeve body with axial elastic displacement and a locking sleeve body with axial elastic displacement, which is arranged on the periphery of the ball sleeve body, are arranged in the female end tubular shaft main body, a limiting part for limiting the locking sleeve body to elastically extend towards the male end element is arranged on the female end tubular shaft main body,
the ball sleeve body is provided with a plurality of circumferentially distributed locking bodies with radial displacement, and the locking sleeve body is provided with a locking ring rib and avoidance ring grooves, wherein the locking ring rib is used for radially pressing and connecting the locking bodies, and the avoidance ring grooves are respectively arranged on two sides of the locking ring rib;
the male end element comprises a male end shaft tube which is used for being matched with the female end shaft tube main body in an inserting mode, and a locking ring groove which is used for being matched with the locking body in a locking mode is formed in the male end shaft tube.
2. The automatic locking structure of a connector according to claim 1, wherein:
a limiting bush is arranged on the main body of the female end tubular shaft, an elastic element is arranged between the limiting bush and the ball sleeve body,
the limiting bush is provided with a limiting ring bulge towards the periphery of one end of the elastic element, the inner pipe wall of the locking sleeve body is provided with a limiting bulge matched with the limiting ring bulge, and the limiting bulge is positioned on one side, away from the ball sleeve body, of the limiting ring bulge.
3. The automatic locking structure of a connector according to claim 2, wherein:
a tubular shaft ring seat is arranged on one side of the female end tubular shaft body, which is far away from the male end element, an extension pipe end which extends towards the male end element and is positioned on the periphery of the limiting bush is arranged on the tubular shaft ring seat,
an annular cavity is formed among the locking sleeve body, the extension pipe end, the limiting bush and the limiting convex part, and a spring is arranged in the annular cavity.
4. The automatic locking structure of a connector according to claim 2, wherein:
the ball bearing sleeve is characterized in that one end of the female end tubular shaft main body, which faces the male end element, is provided with an annular convex end used for limiting the ball bearing sleeve, and the ball bearing sleeve is provided with an annular convex limiting part located between the annular convex end and the limiting bush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110206676.6A CN112984252A (en) | 2021-02-24 | 2021-02-24 | Automatic locking structure of connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110206676.6A CN112984252A (en) | 2021-02-24 | 2021-02-24 | Automatic locking structure of connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112984252A true CN112984252A (en) | 2021-06-18 |
Family
ID=76350119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110206676.6A Pending CN112984252A (en) | 2021-02-24 | 2021-02-24 | Automatic locking structure of connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112984252A (en) |
-
2021
- 2021-02-24 CN CN202110206676.6A patent/CN112984252A/en active Pending
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