CN216158043U - Height self-adaptation fixing device and connection structure - Google Patents
Height self-adaptation fixing device and connection structure Download PDFInfo
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- CN216158043U CN216158043U CN202122119410.6U CN202122119410U CN216158043U CN 216158043 U CN216158043 U CN 216158043U CN 202122119410 U CN202122119410 U CN 202122119410U CN 216158043 U CN216158043 U CN 216158043U
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- pin shaft
- connecting piece
- buckle
- shaft
- raised head
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Abstract
The utility model discloses a height self-adaptive fixing device and a connecting structure, which comprise a pin shaft and a buckle clamped with a raised head at the bottom end of the pin shaft; threads are formed on the periphery of the main body of the pin shaft; the diameter of the buckle is larger than that of the pin shaft. The advantages of the utility model are embodied in that: the installation is convenient, the buckle and the pin shaft are connected with the lug on the buckle in a clamping mode and are clamped with the connecting shaft at the bottom end of the pin shaft, and the lug and the connecting shaft are mutually limited, so that the buckle and the pin shaft and a connecting piece between the buckle and the connecting shaft are prevented from sliding; and the nut is positioned above a counter bore on the first connecting piece, and exerts acting force on the first connecting piece and the second connecting piece under the action of gravity, so that the first connecting piece is prevented from deforming.
Description
Technical Field
The utility model belongs to the technical field of machine manufacturing, and particularly relates to a height self-adaptive fixing device and a connecting structure.
Background
The rivet is one of the commonly used fixing devices at present, the rivet used is mainly T-shaped and consists of a head part and a rod part, and the commonly used rivet comprises a semi-circular head, a flat head, a solid rivet and the like, and two parts with holes are connected by utilizing the deformation of the rivet. The rivet is fixed by deformation, and the connecting piece is easy to deform after the rivet is fixed. In addition, the rivet is disposable installation, if the riveting fails, when needing to be changed again, it is very difficult to dismantle the rivet body, and the loading and unloading are wasted time and energy, and this just makes to need three to confirm the connected mode again before the installation, reduces installation effectiveness. Besides rivet fixation, the phenomenon of thread slipping can occur when the screw is used for fixation, and the deformation of the connecting piece can also be caused during fixation.
In order to solve the above problems, it is an important technical problem to be solved by those skilled in the art to design a highly adaptive fixing device and a connecting structure.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving the above problems of the prior art, and provides a highly adaptive fixing device and a connecting structure.
The purpose of the utility model is realized by the following technical scheme:
a height self-adaptive fixing device comprises a pin shaft and a buckle clamped with a raised head at the bottom end of the pin shaft; threads are formed on the periphery of the main body of the pin shaft; the diameter of the buckle is larger than that of the pin shaft.
Preferably, the raised head is coaxially arranged with the pin shaft through a connecting shaft; the diameter of the connecting shaft is smaller than the diameters of the pin shaft and the raised head.
Preferably, the raised head is hemispherical, and the top surface of the raised head is a plane and is connected with the connecting shaft.
Preferably, the buckle is an elastic piece, and comprises a first part, a second part and a connecting piece, wherein the first part and the second part are arranged at intervals; the nose being located between the first part and the second part; the connector is located at the periphery of the nose and is located in the middle of the first and second parts.
Preferably, the inner walls of the first component and the second component are both provided with a protruding block, and the height of the protruding block is not greater than that of the connecting shaft.
Preferably, the top ends of the first member and the second member are formed with slopes to the inner wall of the projection.
Preferably, the periphery of the main body of the pin shaft is further provided with a nut matched with the thread.
Preferably, the top end of the pin shaft is further provided with a rotary driving device for driving the pin shaft to move along the axis of the nut.
A connection structure, any one of the height adaptive fixing devices further comprising a first connecting piece and a second connecting piece; a counter bore is formed on the first connecting piece, a through hole is formed on the second connecting piece, and the counter bore and the through hole correspond to each other; the pin shaft penetrates through the counter bore and the through hole, and the nut is positioned on the upper surface of the first connecting piece; the top end of the buckle is abutted to the lower surface of the second connecting piece.
The technical scheme of the utility model has the advantages that:
the buckle and the pin shaft are not easy to deform, the buckle and the pin shaft are connected in a clamping mode, and a convex block on the buckle is clamped with a connecting shaft at the bottom end of the pin shaft and mutually limited, so that the buckle and a connecting piece between the buckle and the pin shaft cannot slide off; the first connecting piece and the second connecting piece are fixed in position by adjusting the position of the nut on the pin shaft, so that the stable installation of the connecting pieces is ensured, and the nut is positioned above the counter bore on the first connecting piece and exerts acting force on the first connecting piece and the second connecting piece under the action of gravity, so that the first connecting piece is prevented from deforming;
the buckle is made of elastic materials, and inward acting force is applied to the bottoms of the first part and the second part on the buckle, so that the distance between the two convex blocks at the top ends of the first part and the second part is increased until the distance is larger than the diameter of the raised head, and the pin shaft can be taken out of the buckle;
the installation is convenient, the top end of the pin shaft is provided with a rotary driving device for driving the pin shaft to lift, and the rotary driving device is rotated forwards or reversely to enable the pin shaft to lift in the counter bore of the first connecting piece quickly, so that the installation efficiency is improved.
Drawings
FIG. 1: a perspective view of a preferred embodiment of the present invention;
FIG. 2: partial exploded view of the preferred embodiment of the present invention;
FIG. 3: a cross-sectional view of a preferred embodiment of the present invention;
FIG. 4: assembly drawing of a preferred embodiment of the utility model.
Detailed Description
Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. The embodiments are merely exemplary for applying the technical solutions of the present invention, and any technical solution formed by replacing or converting the equivalent thereof falls within the scope of the present invention claimed.
In the description of the schemes, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the embodiment, the operator is used as a reference, and the direction close to the operator is a proximal end, and the direction away from the operator is a distal end.
As shown in FIG. 1, the utility model discloses a height self-adaptive fixing device, which comprises a pin shaft 1 and a buckle 2 clamped with a raised head 11 at the bottom end of the pin shaft 1; the diameter of the buckle 2 is larger than that of the pin shaft 1. The raised head 11 is coaxially arranged with the pin shaft 1 through a connecting shaft 12, and the diameter of the connecting shaft 12 is smaller than that of the pin shaft 1 and the raised head 11. In the utility model, the raised head 11 is preferably designed to be hemispherical, the top surface of the raised head is a plane, and the raised head is connected with the connecting shaft 12; the bottom of the raised head 11 is arc-shaped.
The buckle 2 is an elastic member, and includes a first part 21, a second part 22, and a connecting member 23 for connecting the first part 21 and the second part 22. The inner walls of the first part 21 and the second part 22 are provided with a projection 212, and the height of the projection 212 is not more than that of the connecting shaft 12. The nose 11 is located between the first part 21 and the second part 22 and the connector 23 is located at the periphery of the nose 11 and the connector 23 is located in the middle of the first part 21 and the second connector 22. When assembled, the bottom end of the nose 11 exerts a force on the first part 21 and on the second part 22, making the gap between them large, so as to snap the nose 11 inside the first part 21 and the second part 22; the bottom surface of the projection 212 and the top surface of the nose 11 are constrained to each other after assembly. In addition, for the convenience of assembly, a slope 2121 is formed from the top end of the first part 21 and the second part 22 to the inner wall of the projection 212, and the slope 2121 guides the boss 11, so that the clip 2 and the boss 11 are not easily deformed during the assembly process; when the pin shaft 1 is disassembled, an inward force is applied to the bottoms of the first part 21 and the second part 22, so that the distance between the projections 212 on the tops of the first part 21 and the second part 22 is increased, and the pin shaft 1 can be taken out of the buckle 2 after the distance between the two projections 212 is larger than the maximum diameter of the raised head 11.
The present invention also includes a connection structure including the height adaptive fixing device described above, and a first connection member 41 and a second connection member 42. A counter bore 410 is formed on the first connecting piece 41, and a through hole 420 is formed on the second connecting piece 42, which correspond to the counter bore 410 and the through hole 420; wherein the diameter of the through-hole 420 is larger than the diameter of the counterbore 410. The pin shaft 1 penetrates through the counter bore 310 and the through hole 420 in sequence. The periphery of the main body of the pin shaft 1 is provided with a thread 10 matched with the inner wall of the counterbore 410, and the sum of the thicknesses of the first connecting piece 41 and the second connecting piece 42 is not more than the length of the thread 10. A nut 101 matched with the thread 10 is arranged on the periphery of the main body of the pin shaft 1, the nut 101 is positioned on the upper surface of the first connecting piece 41 and used for limiting the penetrating process of the pin shaft 1, and the assembly between the first connecting piece 41 and the second connecting piece 42 with different thickness requirements can be met by adjusting the position of the nut 101.
Specifically, when the sum of the thicknesses of the first connecting piece 41 and the second connecting piece 42 is smaller than the distance from the bottom end of the pin shaft 1 to the nut 101, the pin shaft 1 is rotated reversely, or the first connecting piece 41 or the second connecting piece 42 with different thicknesses is replaced; when the assembly is completed, the top end of the buckle 2 abuts against the lower surface of the second connecting piece 42, and at this time, the distance between the top end of the buckle 2 and the nut 101 is equal to the sum of the thicknesses of the first connecting piece 41 and the second connecting piece 42.
In order to enable the pin shaft 1 to rapidly penetrate through the counter bore 410, a rotary driving device 3 for driving the pin shaft 1 to move along the axis of the nut 101 is further arranged at the top end of the pin shaft 1, in the utility model, the rotary driving device 3 is preferably designed into a circular ring penetrating through the top of the pin shaft 1, the pin shaft 1 can be controlled to lift in the counter bore 410 by rotating the circular ring, the operation is convenient, and the installation or disassembly efficiency is improved. Of course, the ring of the present invention can also be replaced by other devices with rotary feeding function disclosed in the prior art, which is not described herein again.
The working process of the utility model is briefly described as follows:
s1: placing the first connecting member 41 and the second connecting member 42 in a stack;
s2: the pin shaft 1 sequentially penetrates through the counter bores 410 and the through holes 420 on the first connecting piece 41 and the second connecting piece 42;
s3: operating the rotary driving device 3 to make the pin shaft 1 move downwards along the counter bore 410 until the raised head 11 at the bottom end of the pin shaft 1 and the connecting shaft 12 completely penetrate through the second connecting piece 42; and is defined by nut 101
S4: clip 2 is placed in second connector 42 and a force is applied to clip 2 so that it snaps onto the outer periphery of nose 11 and retains nose 11 in clip 2 by means of projection 212 at the top end of clip 2.
The utility model has various embodiments, and all technical solutions formed by adopting equivalent transformation or equivalent transformation are within the protection scope of the utility model.
Claims (9)
1. A height self-adaptive fixing device is characterized in that: comprises a pin shaft (1) and a buckle (2) clamped with a raised head (11) at the bottom end of the pin shaft (1); threads (10) are formed on the periphery of the main body of the pin shaft (1); the diameter of the buckle (2) is larger than that of the pin shaft (1).
2. A highly adaptive fixation device according to claim 1, wherein: the raised head (11) is coaxially arranged with the pin shaft (1) through a connecting shaft (12); the diameter of the connecting shaft (12) is smaller than the diameters of the pin shaft (1) and the raised head (11).
3. A highly adaptive fixation device according to claim 2, wherein: the raised head (11) is hemispherical, the top surface of the raised head is a plane, and the raised head is connected with the connecting shaft (12).
4. A highly adaptive fixation device according to claim 3, wherein: the buckle (2) is an elastic piece and comprises a first part (21), a second part (22) and a connecting piece (23) for connecting the first part (21) and the second part (22), wherein the first part and the second part are arranged at intervals; the nose (11) being located between the first part (21) and the second part (22); the connector (23) is located at the periphery of the nose (11) and the connector (23) is located in the middle of the first part (21) and the second part (22).
5. A highly adaptive fixing device according to claim 4, wherein: the inner walls of the first component (21) and the second component (22) are provided with protruding blocks (212), and the height of each protruding block (212) is not larger than that of the connecting shaft (12).
6. A highly adaptive fixing device according to claim 5, characterized in that: the top ends of the first member (21) and the second member (22) to the inner wall of the projection (212) are formed with a slope (2121).
7. A highly adaptive fixation device according to claim 6, wherein: and a nut (101) matched with the thread (10) is further arranged on the periphery of the main body of the pin shaft (1).
8. A highly adaptive fixation device according to claim 7, wherein: the top end of the pin shaft (1) is further provided with a rotary driving device (3) used for driving the pin shaft (1) to move along the axis of the nut (101).
9. A connecting structure characterized in that: comprising a height adaptive fixation device according to any one of claims 1 to 8; further comprising a first connector (41) and a second connector (42); a counter bore (410) is formed on the first connecting piece (41), and a through hole (420) is formed on the second connecting piece (42) and corresponds to the counter bore; the pin shaft (1) penetrates through the counter bore (410) and the through hole (420), and the nut (101) is located on the upper surface of the first connecting piece (41); the top end of the buckle (2) is abutted against the lower surface of the second connecting piece (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122119410.6U CN216158043U (en) | 2021-09-03 | 2021-09-03 | Height self-adaptation fixing device and connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122119410.6U CN216158043U (en) | 2021-09-03 | 2021-09-03 | Height self-adaptation fixing device and connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216158043U true CN216158043U (en) | 2022-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122119410.6U Active CN216158043U (en) | 2021-09-03 | 2021-09-03 | Height self-adaptation fixing device and connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216158043U (en) |
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2021
- 2021-09-03 CN CN202122119410.6U patent/CN216158043U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1 Tianxu Road, Cixi Binhai Economic Development Zone, Ningbo City, Zhejiang Province 315338 Patentee after: Ningbo Deye Energy Storage Technology Co., Ltd. Address before: 215000 first floor, building 3, No. 19, Yong'an Road, Hushuguan Town, high tech Zone, Suzhou City, Jiangsu Province Patentee before: Deye (Suzhou) energy storage technology Co.,Ltd. |
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| CP03 | Change of name, title or address |