CN216478407U - Self-locking type folding connecting piece - Google Patents
Self-locking type folding connecting piece Download PDFInfo
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- CN216478407U CN216478407U CN202122794899.7U CN202122794899U CN216478407U CN 216478407 U CN216478407 U CN 216478407U CN 202122794899 U CN202122794899 U CN 202122794899U CN 216478407 U CN216478407 U CN 216478407U
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- connecting piece
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Abstract
The utility model discloses a self-locking folding connecting piece, which comprises a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are mutually hinged, a locking component for locking the first connecting piece and the second connecting piece is arranged at the joint of the first connecting piece and the second connecting piece, namely the first connecting piece and the second connecting piece are hinged and can relatively rotate to adjust the angle, and furthermore, the first connecting piece and the second connecting piece can be locked through the locking component to prevent the first connecting piece and the second connecting piece from randomly rotating.
Description
Technical Field
The utility model relates to a self-locking folding connecting piece.
Background
Along with the improvement of people's requirement for the living quality and to accomodating to the space and having higher requirement, present house or outdoor apparatus such as lying bed, dining-table, dining chair, sofa and sandy beach chair all adopt foldable structure, but current folding joint spare is not good to be used, and not only stability is relatively poor, can't realize the auto-lock, can't satisfy the use needs.
Therefore, there is a strong need for a self-locking folding connector to solve this problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a self-locking folding connecting piece.
The self-locking folding connecting piece comprises a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are mutually hinged, and a locking assembly for locking the first connecting piece and the second connecting piece is arranged at the joint of the first connecting piece and the second connecting piece.
Preferably, one end of the first connecting piece is longitudinally provided with a first fixing ring and a second fixing ring at intervals, the second connecting piece is provided with a first annular piece, and the first annular piece is embedded between the first fixing ring and the second fixing ring;
the locking assembly comprises a square hole arranged at the axis of the first annular piece, and a locking piece is arranged below the second fixing ring;
the locking assembly further comprises locking teeth which are uniformly distributed on the upper end surface of the locking piece along the axis of the locking piece, convex teeth which are uniformly distributed on the lower end surface of the second fixing ring along the circumference of the second fixing ring, the locking teeth can be embedded between the convex teeth in a vertically moving mode through the locking piece, a locking column which is matched with the square hole is arranged on the upper end surface of the locking piece, and the locking column is embedded in the square hole;
the first fixing ring is provided with a driving assembly capable of moving up and down, and the driving assembly penetrates through the first fixing ring and the locking piece or the locking column to be fixedly connected.
Preferably, a cavity is formed in the upper end face of the first fixing ring, a ring-shaped pressing piece is arranged in the cavity, an elastic piece is arranged between the ring-shaped pressing piece and the cavity, a threaded hole is formed in the locking column, a screw is arranged above the ring-shaped pressing piece and penetrates through the ring-shaped pressing piece and the first fixing ring in sequence to be in threaded connection with the threaded hole, and the threaded head of the screw is pressed against the upper end face of the ring-shaped pressing piece.
Preferably, the elastic member is a spring, an annular groove is formed in a lower end surface of the annular pressing member, and an upper portion of the elastic member is embedded in the annular groove.
The utility model has the advantages of simple and reasonable structure, good stability and good self-locking effect, and compared with the prior art, the utility model comprises a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are hinged with each other, a locking component for locking the first connecting piece and the second connecting piece is arranged at the joint of the first connecting piece and the second connecting piece, namely the first connecting piece and the second connecting piece are hinged, the first connecting piece and the second connecting piece can rotate relatively to adjust the angle, and further, the first connecting piece and the second connecting piece can be locked by the locking component to prevent the first connecting piece and the second connecting piece from rotating randomly.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a second schematic perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a second schematic cross-sectional view of the present invention.
Detailed Description
The utility model is further described with reference to the following figures and examples.
Referring to fig. 1-4, the self-locking folding connector comprises a first connector 10 and a second connector 20, wherein the first connector 10 and the second connector 20 are hinged to each other, and a locking assembly 30 for locking the first connector 10 and the second connector 20 is arranged at the joint of the first connector 10 and the second connector 20.
Referring to fig. 3 and 4, a first fixing ring 110 and a second fixing ring 120 are longitudinally spaced at one end of the first connecting member 10, a first annular member 210 is disposed on the second connecting member 20, and the first annular member 210 is embedded between the first fixing ring 110 and the second fixing ring 120;
the locking assembly 30 comprises a square hole 220 arranged at the axial center of the first annular member 210, and a locking element 310 arranged below the second fixing ring 120;
the locking assembly 30 further comprises locking teeth 330 uniformly distributed on the upper end surface of the locking element 310 along the axis thereof, convex teeth 130 uniformly distributed on the lower end surface of the second fixing ring 120 along the circumference thereof, the locking teeth 330 being capable of moving up and down through the locking element 310 and being embedded between the convex teeth 130, a locking post 320 matched with the square hole 220 being arranged on the upper end surface of the locking element 310, the locking post 320 being embedded in the square hole 220;
the first fixing ring 110 is provided with a driving assembly 380 capable of moving up and down, and the driving assembly 380 passes through the first fixing ring 110 and is fixedly connected with the locking piece 310 or the locking column 320.
The square hole is a non-circular hole, and the locking post 320 is shaped to fit the square hole 220.
That is, the locking post 320 is inserted into the square hole 220, so that when the second connector needs to rotate, the locking post 320 must rotate, and the locking teeth 330 can be inserted between the two convex teeth 130, so that the locking post 320, the first connector 10 and the second connector 30 are locked with each other.
When the angles of the first connecting piece and the second connecting piece need to be adjusted, the driving component 380 drives the locking piece 310 to move downwards, so that the locking teeth 330 are separated from the two convex teeth 130, at the moment, the first connecting piece can rotate relative to the locking piece 310 and the second connecting piece 20 to realize angle adjustment, and after the adjustment is finished, the driving component 380 resets the locking piece 310, so that the locking teeth 330 are embedded between the two convex teeth 130 again, and the locking can be completed.
The upper end face of the first fixing ring 110 is provided with a cavity 111, a ring-shaped pressing piece 360 is arranged in the cavity 111, the ring-shaped pressing piece 360 and an elastic piece 350 are arranged between the cavity 111, the locking column 320 is provided with a threaded hole 340, a screw 370 is arranged above the ring-shaped pressing piece 360 and sequentially penetrates through the ring-shaped pressing piece 360, the first fixing ring 110 and the threaded hole 340 to be in threaded connection, and the top of the thread head of the screw 370 is pressed on the upper end face of the ring-shaped pressing piece 360.
When unlocking is required, the ring-type pressing member 360 and the screw 370 are pressed downward to move the locking post 320 downward, and at the same time, the locking member 310 can be moved downward to disengage the locking teeth 330 from between the two convex teeth 130, and at this time, the first connecting member can be rotated relative to the locking member 310 and the second connecting member 20.
After the angle adjustment is completed, the ring-shaped pressing member 360 and the screw 370 are loosened, the elastic force of the elastic member 350 drives the ring-shaped pressing member 360 and the screw 370 to rebound upwards, the locking member 310 is driven to reset upwards, and the locking teeth 330 are embedded between the two convex teeth 130 again, so that the locking is completed
The elastic piece 350 is a spring, an annular groove 361 is formed in the lower end face of the annular pressing piece 360, the upper portion of the elastic piece 350 is embedded into the annular groove 361, and the elastic piece is convenient to position and assemble and good in stability.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a from locking-type folding joint spare which characterized in that: the locking device comprises a first connecting piece (10) and a second connecting piece (20), wherein the first connecting piece (10) and the second connecting piece (20) are hinged to each other, and a locking assembly (30) used for locking the first connecting piece (10) and the second connecting piece (20) is arranged at the joint of the first connecting piece (10) and the second connecting piece (20).
2. The self-locking folding connector as claimed in claim 1, characterized in that: a first fixing ring (110) and a second fixing ring (120) are longitudinally arranged at intervals on one end of the first connecting piece (10), a first annular piece (210) is arranged on the second connecting piece (20), and the first annular piece (210) is embedded between the first fixing ring (110) and the second fixing ring (120);
the locking assembly (30) comprises a square hole (220) arranged at the axis of the first annular piece (210), and a locking piece (310) is arranged below the second fixing ring (120);
the locking assembly (30) further comprises locking teeth (330) uniformly distributed on the upper end surface of the locking piece (310) along the axis of the locking piece, convex teeth (130) uniformly distributed on the lower end surface of the second fixing ring (120) along the circumference of the second fixing ring, the locking teeth (330) can move up and down through the locking piece (310) and are embedded between the convex teeth (130), a locking column (320) matched with the square hole (220) is arranged on the upper end surface of the locking piece (310), and the locking column (320) is embedded in the square hole (220);
the locking mechanism is characterized in that a driving component (380) capable of moving up and down is arranged on the first fixing ring (110), and the driving component (380) penetrates through the first fixing ring (110) to be fixedly connected with the locking part (310) or the locking column (320).
3. The self-locking folding connector as claimed in claim 2, characterized in that: the upper end face of first solid fixed ring (110) is equipped with cavity (111) be equipped with ring type pressing piece (360) in cavity (111) ring type pressing piece (360) with be equipped with elastic component (350) between cavity (111), be equipped with screw hole (340) on locking post (320) ring type pressing piece (360) top is equipped with screw (370) and passes ring type pressing piece (360), first solid fixed ring (110) in proper order with screw hole (340) threaded connection, the screw thread head top of screw (370) is in on the ring type pressing piece (360) up end.
4. A self-locking folding connector as claimed in claim 3, characterized in that: the elastic piece (350) is a spring, an annular groove (361) is formed in the lower end face of the annular pressing piece (360), and the upper portion of the elastic piece (350) is embedded into the annular groove (361).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122794899.7U CN216478407U (en) | 2021-11-15 | 2021-11-15 | Self-locking type folding connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122794899.7U CN216478407U (en) | 2021-11-15 | 2021-11-15 | Self-locking type folding connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216478407U true CN216478407U (en) | 2022-05-10 |
Family
ID=81395291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122794899.7U Active CN216478407U (en) | 2021-11-15 | 2021-11-15 | Self-locking type folding connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216478407U (en) |
-
2021
- 2021-11-15 CN CN202122794899.7U patent/CN216478407U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |