CN213064278U - Anti-loose connecting structure for end part of shell - Google Patents
Anti-loose connecting structure for end part of shell Download PDFInfo
- Publication number
- CN213064278U CN213064278U CN202021032446.XU CN202021032446U CN213064278U CN 213064278 U CN213064278 U CN 213064278U CN 202021032446 U CN202021032446 U CN 202021032446U CN 213064278 U CN213064278 U CN 213064278U
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- component
- loosening
- connecting structure
- screw
- looseness
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Abstract
The utility model discloses a locking connection structure of casing tip, including casing, main part support, screw thread component and locking component, the main part support tip complex stretches out the spacing hole of housing end and is blocked by spacing hole and can not rotate, and the anterior screw-thread fit's of screw thread component cover is at main part support tip, and the locking component front portion stretches into behind the screw thread component the complex stretch into the spacing hole of main part support tip and blocked by spacing hole and can not rotate, and the screw thread component rear portion is connected with locking component rear portion detachable. The structure is simple to assemble and disassemble, can be locked and prevented from loosening, and is high in reliability.
Description
Technical Field
The utility model belongs to the mechanical connection field, concretely relates to locking connection structure of casing tip.
Background
In the field of mechanical connection, it is necessary to consider, in a connection structure of a case end portion, attachment and detachment at the time of installation and maintenance, and connection stability at the time of externally connecting other components. However, the existing shell end connecting structure is inconvenient to assemble and disassemble, and poor in looseness prevention when other parts are externally connected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a locking connection structure of casing tip, this structure loading and unloading are simple, can lock mutually locking, and the reliability is high.
The utility model adopts the technical proposal that:
the utility model provides a locking connection structure of casing tip, includes casing, main part support, screw thread component and locking component, the main part support tip complex stretch out the spacing hole of casing tip and blocked by spacing hole and can not rotate, the cover of screw thread component anterior screw-thread fit at main part support tip, the locking component front portion stretch into behind the screw thread component complex stretch into the spacing hole of main part support tip and blocked by spacing hole and can not rotate, the screw thread component rear portion is connected with locking component rear portion detachable.
Further, the rear part of the screw member and the rear part of the anti-loosening member are connected through a set screw.
Furthermore, fastening screw holes are circumferentially distributed on the rear part of the threaded member, and fastening planes are circumferentially distributed on the rear part of the anti-loosening member.
Further, the rear part of the screw member is connected with the rear part of the anti-loosening member through a key.
Furthermore, the outer contour of the end part of the main body bracket is a cylinder with a part cut off, and the cut-off surface of the cylinder and the corresponding plane in the limit hole at the end part of the shell form a limit surface.
Furthermore, the outer contour of the front part of the anti-loosening component is a cylinder with a part of thickened part, the limiting hole at the end part of the main body support is a round hole with a part of cut-off part, and two sides of the thickened part on the cylinder and two sides of the cut-off part on the round hole form limiting surfaces.
Further, the locking member circumscribes the remaining members.
Further, the threaded member and the anti-loosening member are in coaxial clearance fit, and the anti-loosening member and the main body support are in coaxial clearance fit.
The utility model has the advantages that:
the structure is simple to assemble and disassemble, can lock and prevent looseness mutually, and has high reliability, during installation, the main body support is firstly installed in the shell, the end part of the main body support is matched with the limit hole extending out of the end part of the shell, the main body support is blocked by the limit hole and cannot rotate, then the front part of the threaded component is sleeved on the end part of the main body support in a threaded matching manner, at the moment, the main body support, the shell and the threaded component are fixed together through the fastening force of a thread pair, then the front part of the anti-loosening component is inserted into the limit hole of the end part of the main body support in a matched manner, the anti-loosening component is blocked by the limit hole and cannot rotate, at last, the rear part of the threaded component is.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic structural diagram of the housing in the embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the main body bracket in the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a screw member according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of the anti-loosening member in the embodiment of the present invention.
In the figure: 1-a shell; 2-a main body support; 3-a threaded member; 4-a locking member; 5-tightening the screw; 6-limiting surface; 7-fastening screw holes; 8-tightening the plane.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 and 2, a shell end anti-loosening connecting structure comprises a shell 1, a main body support 2, a threaded member 3 and a loosening prevention member 4, wherein the end part of the main body support 2 is matched with a limit hole extending out of the end part of the shell 1 and is blocked by the limit hole to be incapable of rotating, the front part of the threaded member 3 is sleeved on the end part of the main body support 2 in a threaded matching manner, the front part of the loosening prevention member 4 extends into the threaded member 3 and then is matched with the limit hole extending into the end part of the main body support 2 and is blocked by the limit hole to be incapable of rotating, and the rear part of the threaded member 3. The structure is simple to assemble and disassemble, can lock and prevent looseness mutually, and has high reliability, during installation, the main body support 2 is firstly installed in the shell 1, the end part of the main body support 2 is matched with the limit hole extending out of the end part of the shell 1, the main body support 2 is blocked by the limit hole and cannot rotate, then the front part of the threaded component 3 is sleeved at the end part of the main body support 2 in a threaded matching way, at the moment, the main body support 2, the shell 1 and the threaded component 3 are fixed together through the fastening force of a thread pair, then the front part of the anti-loosening component 4 is inserted into the limit hole extending into the end part of the main body support 2 in a matched way after the threaded component 3 is inserted into the front part of the anti-loosening component 4, at last, the rear part of the threaded component 3 is detachably.
As shown in fig. 1 and 2, in this embodiment, the anti-loosening member 4 is externally connected to other members, and the other members may be fixed cables, waterproof members, and the like, so as to facilitate carrying of other functions and product structure layout.
As shown in fig. 1, 2, 5 and 6, in the present embodiment, the rear portion of the threaded member 3 is connected to the rear portion of the anti-loose member 4 by a set screw 5, set screw holes 7 (six are provided here, the specific number is set according to actual requirements) are circumferentially distributed on the rear portion of the threaded member 3, and set planes 8 (twelve are provided here, the specific number is set according to actual requirements) are circumferentially distributed on the rear portion of the anti-loose member 4. Of course, there are other connecting means, such as key connection, etc., between the rear part of the screw member 3 and the rear part of the anti-loose member 4.
As shown in fig. 3 and 4, in the present embodiment, the outer contour of the end of the main body bracket 2 is a cylinder with a part cut off, and the cut-off surface of the cylinder and the corresponding plane in the limit hole at the end of the housing 1 form the limit surface 6.
As shown in fig. 4 and 6, in the present embodiment, the outer contour of the front portion of the anti-loosening member 4 is a cylinder with a part of the thickness increased, the limiting hole at the end of the main body bracket 2 is a circular hole with a part of the thickness cut away, and the two sides of the thickened portion on the cylinder and the two sides of the cut-away portion on the circular hole form limiting surfaces 6.
In the present embodiment, the screw member 3 and the loosening-preventing member 4 are coaxially clearance-fitted, and the loosening-preventing member 4 and the main body frame 2 are coaxially clearance-fitted.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention, and all of them fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a locking connection structure of casing tip which characterized in that: including casing, main part support, screw thread component and locking component, the main part support tip complex stretches out the spacing hole of casing tip and is blocked by spacing hole and can not rotate, and the cover of the anterior screw-thread fit of screw thread component is at main part support tip, and the locking component front portion stretches into behind the screw thread component complex stretch into the spacing hole of main part support tip and is blocked by spacing hole and can not rotate, and the screw thread component rear portion is connected with locking component rear portion detachable.
2. A housing end portion looseness-prevention connecting structure according to claim 1, wherein: the rear part of the screw member is connected with the rear part of the anti-loosening member through a set screw.
3. A housing end portion looseness-prevention connecting structure according to claim 2, wherein: and fastening screw holes are circumferentially distributed at the rear part of the threaded member, and fastening planes are circumferentially distributed at the rear part of the anti-loosening member.
4. A housing end portion looseness-prevention connecting structure according to claim 1, wherein: the rear part of the screw member is connected with the rear part of the anti-loosening member through a key.
5. A housing end portion looseness-prevention connecting structure according to claim 1, wherein: the outer contour of the end part of the main body bracket is a cylinder with a part cut off, and the cut-off surface of the cylinder and the corresponding plane in the limiting hole of the end part of the shell form a limiting surface.
6. A shell end loose-prevention connecting structure as recited in claim 5, wherein: the outer contour of the front part of the anti-loosening component is a cylinder with a part of thickened part, the limiting hole at the end part of the main body support is a round hole with a part of cut-off, and the two sides of the thickened part on the cylinder and the two sides of the cut-off part on the round hole form limiting surfaces.
7. A housing end portion looseness-prevention connecting structure according to claim 1, wherein: the anti-loosening component is externally connected with the other components.
8. A housing end portion looseness-prevention connecting structure according to claim 1, wherein: the threaded member and the anti-loosening member are in coaxial clearance fit, and the anti-loosening member and the main body support are in coaxial clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032446.XU CN213064278U (en) | 2020-06-08 | 2020-06-08 | Anti-loose connecting structure for end part of shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021032446.XU CN213064278U (en) | 2020-06-08 | 2020-06-08 | Anti-loose connecting structure for end part of shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213064278U true CN213064278U (en) | 2021-04-27 |
Family
ID=75566428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021032446.XU Active CN213064278U (en) | 2020-06-08 | 2020-06-08 | Anti-loose connecting structure for end part of shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213064278U (en) |
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2020
- 2020-06-08 CN CN202021032446.XU patent/CN213064278U/en active Active
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| GR01 | Patent grant |