CN211175070U - Spiral double-connection device - Google Patents
Spiral double-connection device Download PDFInfo
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- CN211175070U CN211175070U CN201922219518.5U CN201922219518U CN211175070U CN 211175070 U CN211175070 U CN 211175070U CN 201922219518 U CN201922219518 U CN 201922219518U CN 211175070 U CN211175070 U CN 211175070U
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Abstract
The utility model discloses a spiral double-connecting device, including cylinder A and cylinder B, be provided with the protruding A of a plurality of eight diagrams shape on the terminal surface of cylinder A one end, seted up on the terminal surface of cylinder B one end a plurality of with the protruding A assorted eight diagrams shape recess A of eight diagrams shape. The utility model relates to a spiral connects device doubly for but two parts carry out relative pivoted and connect, can realize the fastening connection. The matching of the eight-diagram-shaped protrusion A and the eight-diagram-shaped groove A improves the screwing force of the cylinder A and the cylinder B.
Description
Technical Field
The utility model relates to an industry wiring machine technical field, concretely relates to spiral connects device doubly.
Background
The connection of two parts capable of rotating relatively is a common mechanism design, and is usually realized by arranging a rotating shaft connecting mechanism. The existing rotating shaft connecting mechanism realizes the relative rotating connection between the measuring rotating shafts, and the falling fault is easy to occur after the service life is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough, providing a spiral double-connecting device for but two parts carry out relative pivoted and connect, can realize the fastening connection.
In order to achieve the purpose, the utility model provides a following technical scheme, a spiral double-connecting device, including cylinder A and cylinder B, be provided with a plurality of eight diagrams shape protruding A on the terminal surface of cylinder A one end, seted up on the terminal surface of cylinder B one end a plurality of with the protruding A assorted eight diagrams shape recess A of eight diagrams shape.
In the spiral double-joint device, the end surface of the other end of the cylinder a is provided with a plurality of eight-diagram-shaped protrusions B, and the end surface of one end of the cylinder B is provided with a plurality of eight-diagram-shaped grooves B matched with the eight-diagram-shaped protrusions B.
In the above spiral double-junction device, the shape and structure of the eight-diagram-shaped protrusion a and the shape and structure of the eight-diagram-shaped groove B are completely the same, and the shape and structure of the eight-diagram-shaped groove a and the shape and structure of the eight-diagram-shaped groove B are completely the same.
In the above spiral double-joint device, the heights of the eight-diagram-shaped protrusion A and the eight-diagram-shaped protrusion B are gradually reduced from one side to the other side.
In the above spiral double-joint device, two eight-diagram-shaped protrusions a are formed, and the two eight-diagram-shaped protrusions a are symmetrically formed around the central axis of the cylinder a.
In the above spiral double-joint device, two eight-diagram-shaped protrusions B are formed, and the two eight-diagram-shaped protrusions B are symmetrically formed around the central axis of the cylinder a.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model relates to a spiral connects device doubly for but two parts carry out relative pivoted and connect, can realize the fastening connection. The matching of the eight-diagram-shaped protrusion A and the eight-diagram-shaped groove A improves the screwing force of the cylinder A and the cylinder B.
Drawings
Fig. 1 is an exploded view showing the structure of a screw duplex device according to example 1.
Fig. 2 is a schematic structural view of a cylinder a in example 1.
Fig. 3 is an external view schematically showing a screw duplex device according to embodiment 2.
Fig. 4 is an exploded view showing the structure of a screw duplex device according to example 2.
The correspondence between each mark and the part name is as follows:
1. A cylinder A; 2. a cylinder B; 3. the eight diagram-shaped bulge A; 4. eight-diagram grooves a 4; 5. the eight diagram-shaped bulge B; 6. the eight diagram-shaped groove B.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings.
Example 1
As shown in figures 1 and 2, the spiral double-joint device comprises a cylinder A1 and a cylinder B2, wherein the end face of one end of the cylinder A1 is provided with 2 eight-diagram-shaped protrusions A3, the end face of one end of the cylinder B2 is provided with 2 eight-diagram-shaped grooves A4 matched with the eight-diagram-shaped protrusions A3, and the two eight-diagram-shaped grooves A4 are symmetrically arranged on the central axis of the cylinder A1.
Wherein the heights of the eight-diagram shaped protrusions A3 are gradually reduced from one side to the other side.
Example 2
As shown in fig. 3 and 4, the spiral double-joint device comprises a cylinder a1 and a cylinder B2, wherein 2 eight-diagram-shaped protrusions A3 are arranged on the end face of one end of the cylinder a1, 2 eight-diagram-shaped grooves a4 matched with the eight-diagram-shaped protrusions A3 are arranged on the end face of one end of the cylinder B2, and the two eight-diagram-shaped grooves a4 are symmetrically arranged on the central axis of the cylinder a 1.
Furthermore, the end surface of the other end of the cylinder A1 is provided with 2 eight-diagram-shaped protrusions B5, the end surface of one end of the cylinder B2 is provided with 2 eight-diagram-shaped grooves B (not shown) matched with the eight-diagram-shaped protrusions B5, and the two eight-diagram-shaped grooves B (not shown) are symmetrically formed on the central axis of the cylinder A1.
Wherein the shape and structure of the eight-diagram-shaped protrusion A3 and the eight-diagram-shaped protrusion B5 are completely the same, and the shape and structure of the eight-diagram-shaped groove A4 and the eight-diagram-shaped groove B (not shown in the figure) are completely the same.
Wherein the heights of the eight-diagram shaped protrusion A3 and the eight-diagram shaped protrusion B5 are gradually reduced from one side to the other side.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A spiral double-joint device is characterized by comprising a cylinder A and a cylinder B, wherein a plurality of eight-diagram-shaped bulges A are arranged on the end surface of one end of the cylinder A, and a plurality of eight-diagram-shaped grooves A matched with the eight-diagram-shaped bulges A are arranged on the end surface of one end of the cylinder B.
2. The spiral double-connecting device as claimed in claim 1, wherein the end surface of the other end of the cylinder a is provided with a plurality of eight-diagram-shaped protrusions B, and the end surface of one end of the cylinder B is provided with a plurality of eight-diagram-shaped grooves B matched with the eight-diagram-shaped protrusions B.
3. The spiral double-connecting device as claimed in claim 2, wherein the eight-diagram-shaped protrusion a and the eight-diagram-shaped groove B have the same shape and structure, and the eight-diagram-shaped groove a and the eight-diagram-shaped groove B have the same shape and structure.
4. A screw double-joint device according to claim 3, wherein the heights of the eight-diagram-shaped protrusions a and B are gradually reduced from side to side.
5. The spiral double-connecting device as claimed in any one of claims 1 to 4, wherein two of the eight-diagram-shaped bulges A are opened, and the two eight-diagram-shaped bulges A are symmetrically opened with the central axis of the cylinder A.
6. The spiral double-connecting device as claimed in any one of claims 2 to 4, wherein two of the eight-diagram-shaped bulges B are formed, and the two eight-diagram-shaped bulges B are symmetrically formed around the central axis of the cylinder A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922219518.5U CN211175070U (en) | 2019-12-06 | 2019-12-06 | Spiral double-connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922219518.5U CN211175070U (en) | 2019-12-06 | 2019-12-06 | Spiral double-connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211175070U true CN211175070U (en) | 2020-08-04 |
Family
ID=71825236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922219518.5U Active CN211175070U (en) | 2019-12-06 | 2019-12-06 | Spiral double-connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211175070U (en) |
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2019
- 2019-12-06 CN CN201922219518.5U patent/CN211175070U/en active Active
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