CN215805609U - Connecting assembly - Google Patents
Connecting assembly Download PDFInfo
- Publication number
- CN215805609U CN215805609U CN202121125887.9U CN202121125887U CN215805609U CN 215805609 U CN215805609 U CN 215805609U CN 202121125887 U CN202121125887 U CN 202121125887U CN 215805609 U CN215805609 U CN 215805609U
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- China
- Prior art keywords
- connecting rod
- expansion
- inflation
- head
- buffer
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Abstract
The utility model relates to the technical field of fastening connection, and particularly discloses a connecting assembly, which comprises a connecting rod and an expansion sleeve, wherein one end of the connecting rod is provided with a clamping head used for being clamped with an eccentric wheel, the other end of the connecting rod is provided with a conical supporting head, the end with the small diameter of the supporting head is close to the clamping head, the expansion sleeve comprises a connecting rod part and an expansion part, the connecting rod part is sleeved between the clamping head and the supporting head of the connecting rod, the expansion part is sleeved on the supporting head, the outer wall of the expansion part is provided with anti-falling grains, the connecting rod part of the expansion sleeve is provided with expansion grooves along the direction of the expansion part, two side surfaces of the expansion grooves close to the connecting rod part are respectively provided with buffer cambered surfaces, and buffer gaps are arranged between the buffer cambered surfaces and the connecting rod.
Description
Technical Field
The utility model relates to the technical field of fastening connection, in particular to a connecting assembly.
Background
At present, panel furniture adopts the eccentric wheel usually, connecting rod and inflation cover cooperation are connected, wherein the inflation cover is established on the connecting rod, be equipped with the inflation opening on the inflation cover, be equipped with on the connecting rod and be used for strutting inflation open-ended supporting part, when panel furniture need be dismantled, because the inflation opening of inflation cover has expanded deformation, can't resume original form, can't carry out the secondary use again, the expansion cover that can only update just can splice panel furniture once more, the extravagant material, environmental protection not, and because at present most panel furniture all sell through the electricity merchant platform, many merchants can not be equipped with a plurality of inflation covers, consequently, bring inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a connecting assembly, which solves the problem that an expansion sleeve in the prior art cannot be used for the second time and is inconvenient for a user.
In order to achieve the purpose, the utility model provides a connecting assembly which comprises a connecting rod and an expansion sleeve, wherein one end of the connecting rod is provided with a clamping head used for being clamped with an eccentric wheel, the other end of the connecting rod is provided with a conical supporting head, the end, with the small diameter, of the supporting head is close to the clamping head, the expansion sleeve comprises a connecting rod portion and an expansion portion, the connecting rod portion is sleeved between the clamping head and the supporting head of the connecting rod, the expansion portion is sleeved on the supporting head, the outer wall of the expansion portion is provided with anti-falling grains, the connecting rod portion of the expansion sleeve is provided with expansion grooves along the direction of the expansion portion, two side faces, close to the connecting rod portion, of each expansion groove are respectively provided with a buffer arc face, and a buffer gap is formed between each buffer arc face and the connecting rod.
Preferably, one end of the connecting rod part close to the expansion part is provided with a limit ring protrusion, and a first buffer concave position is arranged between the limit ring protrusion and the expansion part.
Preferably, a second buffer concave position is arranged between one end of the connecting rod part, which is far away from the expansion part, and the limiting ring boss.
Preferably, a positioning protrusion is arranged between the second buffer concave position and the guide tangent plane.
Preferably, the anti-falling lines are barb lines.
Preferably, the middle part of the connecting rod is provided with a clamping ring protrusion abutting against the connecting rod part.
Has the advantages that: the utility model provides a connecting component, which comprises a connecting rod and an expansion sleeve, wherein one end of the connecting rod is provided with a clamping joint used for being clamped with an eccentric wheel, the other end of the connecting rod is provided with a conical supporting head, the end with the small diameter of the supporting head is close to the clamping joint, the expansion sleeve comprises a connecting rod part and an expansion part, the connecting rod part is sleeved between the clamping joint and the supporting head of the connecting rod, the expansion part is sleeved on the supporting head, the outer wall of the expansion part is provided with anti-falling grains, the connecting rod part of the expansion sleeve is provided with an expansion groove along the direction of the expansion part, two side surfaces of the expansion groove close to the connecting rod part are respectively provided with a buffering cambered surface, and a buffering gap is arranged between the buffering cambered surface and the connecting rod.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
fig. 3 is a cross-sectional view of an embodiment of the present invention.
The reference numbers illustrate: 1-connecting rod, 2-expansion sleeve, 11-clamping joint, 12-supporting head, 13-clamping ring protrusion, 21-connecting rod part, 22-expansion part, 23-anti-stripping, 24-expansion groove, 25-buffer arc surface, 26-buffer gap, 27-limiting ring protrusion, 28-first buffer concave position, 29-second buffer concave position and 212-positioning protrusion.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
referring to fig. 1 to 3, the present embodiment provides a connecting assembly, including a connecting rod 1 and an expansion sleeve 2, wherein one end of the connecting rod 1 is provided with a clamping head 11 for clamping with an eccentric wheel, the other end of the connecting rod 1 is provided with a tapered supporting head 12, and one end of the supporting head 12 having a small diameter is close to the clamping head 11, the expansion sleeve 2 includes a connecting rod portion 21 and an expansion portion 22, the connecting rod portion 21 is sleeved between the clamping head 11 and the supporting head 12 of the connecting rod 1, the expansion portion 22 is sleeved on the supporting head 12, an anti-slip pattern 23 is provided on an outer wall of the expansion portion 22, an expansion groove 24 is provided on the connecting rod portion 21 of the expansion sleeve 2 along the expansion portion 22 direction, two side surfaces of the expansion groove 24 close to the connecting rod portion 21 are respectively provided with a buffer arc 25, and a buffer gap 26 is provided between the buffer arc 25 and the connecting rod 1, and when the expansion sleeve 2 deforms, the expansion sleeve recovers its deformation under the buffer effect of the buffer gap 26, can be used for a plurality of times, is convenient and environment-friendly.
Specifically, the end of the connecting rod part 21 close to the expansion part 22 is provided with a limit ring protrusion 27, a first buffer concave position 28 is arranged between the limit ring protrusion 27 and the expansion part 22, the first buffer concave position 28 can increase the stress range of motion of the buffer gap, and the service life of the expansion sleeve 2 is further prolonged.
It should be noted that a second buffer concave position 29 is arranged between one end of the connecting rod portion 21 away from the expansion portion 22 and the limit ring protrusion 27, and the second buffer concave position 29 reserves a moving space for the limit ring protrusion 27 to increase the expansion space of the expansion groove 24.
It should be further noted that a positioning protrusion 212 is arranged between the second buffer concave position 29 and the guide tangent plane 211, so as to prevent the expansion sleeve 2 from rotating to affect the expansion of the expansion slot 24.
Further, anticreep line 23 is barb line, and in the in-service use process, panel can drill in advance, inserts the inflation back in panel hole at inflation cover 2, and under the barb limiting displacement of barb line, inflation cover 2 is fixed more firmly.
Furthermore, the middle part of the connecting rod 1 is provided with a clamping ring protrusion 13 which is abutted against the connecting rod part 21, and the expansion sleeve 2 is further limited by the clamping ring protrusion 13, so that the dislocation of the expansion sleeve 2 when the expansion sleeve is placed in the plate hole is avoided.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a coupling assembling, includes connecting rod (1) and inflation cover (2), the one end of connecting rod (1) is equipped with joint (11), and the other end of connecting rod (1) is equipped with and is conical support head (12), and supports the little one end of head (12) diameter and be close to joint (11), its characterized in that: expansion sleeve (2) include connecting rod portion (21) and inflation portion (22), connecting rod portion (21) cup joint (11) of connecting rod (1) and support between head (12), inflation portion (22) cover is established on supporting head (12), and the outer wall of inflation portion (22) is equipped with anticreep line (23), inflation groove (24) have been seted up along inflation portion (22) direction in connecting rod portion (21) of expansion sleeve (2), the both sides face that inflation groove (24) are close to connecting rod portion (21) is equipped with buffering cambered surface (25) respectively, and there is buffering clearance (26) at the interval between buffering cambered surface (25) and connecting rod (1).
2. A connection assembly according to claim 1, wherein: the connecting rod part (21) is provided with a limiting ring protrusion (27) at one end close to the expansion part (22), and a first buffering concave position (28) is arranged between the limiting ring protrusion (27) and the expansion part (22).
3. A connection assembly according to claim 2, wherein: a second buffer concave position (29) is arranged between one end of the connecting rod part (21) far away from the expansion part (22) and the limiting ring boss (27).
4. A connection assembly according to claim 3, wherein: and a positioning bulge (212) is arranged between the second buffer concave position (29) and the guide tangent plane (211).
5. A connection assembly according to claim 1, wherein: the anti-falling lines (23) are barb lines.
6. A connection assembly according to claim 1, wherein: the middle part of the connecting rod (1) is provided with a clamping ring protrusion (13) which is abutted against the connecting rod part (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121125887.9U CN215805609U (en) | 2021-05-25 | 2021-05-25 | Connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121125887.9U CN215805609U (en) | 2021-05-25 | 2021-05-25 | Connecting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805609U true CN215805609U (en) | 2022-02-11 |
Family
ID=80173759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121125887.9U Active CN215805609U (en) | 2021-05-25 | 2021-05-25 | Connecting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805609U (en) |
-
2021
- 2021-05-25 CN CN202121125887.9U patent/CN215805609U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |