CN108644198B - Expansion buckle - Google Patents
Expansion buckle Download PDFInfo
- Publication number
- CN108644198B CN108644198B CN201810840682.5A CN201810840682A CN108644198B CN 108644198 B CN108644198 B CN 108644198B CN 201810840682 A CN201810840682 A CN 201810840682A CN 108644198 B CN108644198 B CN 108644198B
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- piece
- cavity
- limiting
- expansion
- plug
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- 238000005192 partition Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/06—Releasable fastening devices with snap-action
- F16B21/065—Releasable fastening devices with snap-action with an additional locking element
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buckles (AREA)
Abstract
The invention discloses an expansion buckle, which comprises a base, a plug piece and an expansion piece, wherein a first cavity and a second cavity are arranged in the base, the first cavity and the second cavity are separated by a cavity partition plate, and a limiting piece passing hole is formed in the cavity partition plate; the limiting piece passing hole is communicated with the first cavity and the second cavity; the expansion piece is fixed on the base; the plug piece comprises a plug piece body and a first limiting piece; the first limiting piece is fixed on the plug piece body and matched with the limiting piece passing hole, so that the first limiting piece enters or leaves the second cavity through the limiting piece passing hole. The plug piece is locked and matched with the base in a rotating and locking mode, so that the mounting and dismounting are more convenient, and the dismounting can be completed without using tools; and the damage to the expansion buckle is reduced in the disassembly process.
Description
Technical Field
The invention relates to a buckle, in particular to an expansion buckle.
Background
At present stage vehicle spare part can use plastics inflation buckle at the installation fixed in-process often, and the plastics inflation buckle of prior art generally adopts the spacing formula of screw thread spacing or joint to push away the nail. Although the clamping and fixing of the buckle are facilitated by adopting the mode, the buckle needs to be disassembled by using a screwdriver or a special tool when being disassembled; comparatively hard when dismantling, lead to dismantling the convenience relatively poor, and dismantle the in-process and damage easily and push away nail card foot to the use number of times of buckle has been reduced.
Disclosure of Invention
The invention aims to provide an expansion buckle, which solves the defects in the prior art, is more convenient to mount and dismount and reduces the damage to the expansion buckle in the dismounting process.
The invention provides an expansion buckle, which comprises a base, a plug piece and an expansion piece, wherein the plug piece is arranged on the base;
a first cavity and a second cavity are arranged in the base, the first cavity and the second cavity are separated by a cavity partition plate, and a first limiting part passing hole is formed in the cavity partition plate; the first limiting piece passing hole is communicated with the first cavity and the second cavity;
the expansion piece is fixed on the base;
the plug piece comprises a plug piece body and a first limiting piece; the first limiting piece is fixed on the plug piece body and matched with the first limiting piece passing hole, so that the first limiting piece enters or leaves the second cavity through the first cavity;
the expansion buckle has a buckling state and a non-buckling state;
in the buckling state, the first limiting part is limited in the second cavity, and the plug piece body is matched with the expansion body so that the expansion body is expanded in the fixing part;
in a non-buckling state, the first limiting part leaves the second cavity through the first limiting part passing hole and enters the first cavity, so that the plug part body is far away from the expansion body.
The expansion buckle as described above, wherein preferably, a second limiting member is disposed on the plug member body, and the first limiting member and the second limiting member are sequentially arranged on the plug member body; and the second limiting part and the first limiting part are supported at two ends of the second cavity in the length direction so as to realize a buckling state.
The expansion buckle as described above, wherein it is preferable that the expansion buckle further includes a locking member, the locking member is fixed on the base, and the locking member is disposed at the bottom end of the cavity of the second cavity;
under the lock state, the retaining member is set to be inconsistent with the second locating part, so that the first locating part is inconsistent with the cavity partition plate.
The expansion buckle as described above, wherein preferably, the height of the locker is gradually increased in a circumferential direction of the second cavity.
The expansion buckle as described above, wherein preferably, the head of the locking member is provided with a stopper.
The expansion buckle as described above, wherein preferably, a base clamping leg is provided on an outer side wall of the base, a platform edge is provided at an upper end of the base, and a fixed member is defined between the clamping leg and the platform edge.
The expansion buckle as described above, wherein preferably, the plug member includes a plug member latch fixed to a tip of the plug member body near the expansion body; and in the buckled state, the plug piece clamping foot is inserted into the expansion body to expand the expansion body.
The expansion buckle as described above, wherein preferably the plug member includes a plug member handle fixed to a tip of the plug member body away from the expansion body.
The expansion buckle as described above, wherein preferably, the first limiting member is composed of two protrusions extending in opposite directions, and the shape of the first limiting member passing hole is adapted to the shape of the first limiting member; in the locked state, the extending direction of the first limiting part protruding part is not consistent with the extending direction of the limiting part through hole.
The expansion buckle as described above, preferably, a second limiting member passing hole is provided on the end surface of the base, the shape of the second limiting member passing hole is consistent with that of the limiting member passing hole, and the second limiting member passing hole communicates with the outside and the first cavity.
Compared with the prior art, the plug piece and the base are locked and matched in a rotating and locking mode, so that the mounting and dismounting are more convenient, and the dismounting can be completed without using tools; and the damage to the expansion buckle is reduced in the disassembly process.
Drawings
FIG. 1 is a schematic structural view of a base in an embodiment of an expansion buckle of the present disclosure;
FIG. 2 is a schematic view of the structure of a plug member in an embodiment of the disclosed expansion buckle;
FIG. 3 is a top view of an embodiment of an expansion clip of the present disclosure after mating of a plug member with a base;
FIG. 4 is a schematic structural view of a non-snap-fit state in an embodiment of the expansion buckle of the present disclosure;
FIG. 5 is a schematic view of a snap-fit configuration according to an embodiment of the disclosed expansion buckle;
FIG. 6 is a front view of a retaining member in an embodiment of the expansion buckle of the present disclosure.
Fig. 7 is a top view of fig. 6.
Description of reference numerals: 1-base, 11-first cavity, 12-second cavity, 13-cavity partition, 14-limiting piece passing hole, 15-base clamping pin, 16-platform edge, 17-second limiting piece passing hole, 2-plug piece, 21-plug piece body, 22-first limiting piece, 23-plug piece clamping pin, 24-plug piece handle, 25-second limiting piece, 3-expansion piece, 4-locking piece, 41-stopping piece stopping part, 100-fixed piece and 200-fixed piece.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The embodiment of the invention comprises the following steps: as shown in fig. 1-5, an expansion buckle is disclosed, comprising a base 1, a plug member 2 and an expansion member 3; wherein the expansion member 3 is fixed to the bottom end of the base 1, and the plug member 2 is inserted through the base 1 and into the expansion member 3 to expand the expansion member 3. The outer side of the base 1 is fixedly coupled to the fixed member 100, and the expansion member 3 is inserted into the fixed member 200.
A first cavity 11 and a second cavity 12 are arranged in the base 1, the first cavity 11 and the second cavity 12 are separated by a cavity partition plate 13, and a first limiting part passing hole 14 is arranged on the cavity partition plate 13; the first limiting piece passing hole 14 is communicated with the first cavity 11 and the second cavity 12; the plug member 2 is inserted into the expansion member 3 through the stopper passing hole.
The plug member 2 comprises a plug member body 21 and a first stopper member 22; the first limiting member 22 is fixed on the plug member body 21, and the first limiting member 22 is matched with the first limiting member passing hole 14, so that the first limiting member 22 enters or leaves the second cavity 12 through the first limiting member passing hole 14; when the first limiting member 22 passes through the first limiting member passing hole 14 and enters the second cavity 12, the plug member 2 moves downward and enters the expansion member 3, so that the expansion member 3 expands. When the first limiting member 22 leaves the second cavity 12 through the first limiting member passing hole 14, the plug member 2 moves upward to leave the expansion member 3.
The expansion buckle has a buckling state and a non-buckling state;
in the fastened state, the first limiting member 22 is limited in the second cavity 12, and the plug member body 21 is matched with the expansion body 3 to make the expansion body 3 expand in the fixing member 200; after the first limiting member 22 passes through the first limiting member passing hole 14, the top end of the first limiting member 22 is abutted against the cavity partition plate 13 by rotating the first limiting member 22, so that the first limiting member 22 is limited in the second cavity 12; at this time, the fixed member 100 fixedly coupled to the base 1 and the fixed member having the expansion body 3 inserted thereinto are fixedly coupled.
In a non-fastening state, the first limiting member 22 leaves the second cavity 12 through the first limiting member passing hole 14 and enters the first cavity 11, so that the plug member body 21 is far away from the expansion body 3. The plug member 2 is rotated to enable the position of the first limiting member 22 on the plug member 2 to be opposite to the position of the first limiting member passing hole 14, then the first limiting member 22 is pulled out of the second cavity 12, at this time, the expansion body 3 is separated from the plug member 2, the expansion body can be easily separated from the fixing member 200 to separate the fixing member 200 from the fixed member 100, and the expansion buckle is detached.
As shown in fig. 2, a second limiting member 25 is disposed on the plug member body 21, and the first limiting member 22 and the second limiting member 25 are sequentially arranged on the plug member body 21; and the second limiting member 25 and the first limiting member 22 are supported at two ends of the second cavity 12 in the length direction, so as to realize a buckling state. When in the locked state, the top end of the first limiting part 22 is abutted against the top end of the second cavity 12, that is, the bottom end of the second limiting part 25 is abutted against the bottom end of the second cavity 12, so that the plug part 2 is firmly limited in the second cavity 12 by the arrangement of the first limiting part 22 and the second limiting part 25, and the buckle is prevented from shaking in the locked state.
Specifically, the first limiting member 22 is composed of two protrusions extending in opposite directions, and the shape of the first limiting member passing hole 14 is adapted to the shape of the first limiting member 22; in the fastened state, the extending direction of the protruding portion of the first limiting member 22 is not consistent with the extending direction of the limiting member through hole 14. This is to achieve that the first stop 22 abuts against the cavity partition 3. The second limiting member 25 is composed of two protrusions extending in opposite directions, and the shape of the first limiting member passing hole 14 is adapted to the shape of the second limiting member 25; the two protrusions may be fan-shaped, and preferably, the extending direction of the protrusion on the second limiting member 25 is the same as the extending direction of the protrusion on the first limiting member 22, but may not be the same, but it is more convenient to make the second limiting member 25 and the first limiting member 22 pass through the first limiting member passing hole 14 when the plug member is installed by adopting the same arrangement.
In the using process, the extending direction of the protruding portion of the first limiting piece 22 on the plug piece body 21 is consistent with the extending direction of the hole length of the first limiting piece passing hole 14 by rotating the plug piece body 21, so that the first limiting piece 22 passes through the first limiting piece passing hole 14 and enters the second cavity 12, at the moment, the second limiting piece 25 abuts against the bottom end of the second cavity 12, the plug piece 2 is inserted into the expansion body 3, and then the plug piece body 21 is continuously rotated to make the extending direction of the protruding portion of the first limiting piece 22 on the plug piece body 21 inconsistent with the extending direction of the hole length of the first limiting piece passing hole 14. So that the upper end of the first limiting member 22 is abutted against the bottom end of the cavity partition plate 3, so that the first limiting member 22 is confined in the second cavity 12, and when the first limiting member 22 is confined in the second cavity 12, the plug member 2 is inserted into the expansion member 3 to expand the expansion member 3. The fastening state of the buckle is realized, so that the fixed object 100 fixedly connected with the base 1 and the fixed object 200 fixedly connected with the expansion member 3 are fixedly connected.
In the detaching process, that is, in the non-fastening state of the expansion buckle, the plug body 21 is rotated to make the extending direction of the protruding portion of the plug body 21 consistent with the extending direction of the hole length of the first limiting member passing hole 14, and then the plug body 21 is pulled out to make the first limiting member 22 on the plug body 21 leave the second cavity 12 and enter the first cavity 11, at this time, the plug 2 leaves the expansion body 3, so that the non-fastening state of the buckle is realized, and thus the fixed member 100 fixedly connected with the base 1 is separated from the fixed member 200. The scheme adopts a rotary locking mode to replace the thread locking and clamping locking modes of the original type of buckle. The installation and the disassembly are convenient, the installation is firm, and the disassembly can be completed without using tools; and the damage to the expansion buckle is reduced in the disassembly process.
As shown in fig. 6-7, the expansion buckle further comprises a locking member 4, the locking member 4 is fixed on the base 1, and the locking member 4 is arranged at the bottom end of the second cavity 12; in the fastening state, the locking member 4 is configured to abut against the second limiting member 25, so that the first limiting member 22 abuts against the cavity partition 13. Specifically, the height of the locking member 4 is gradually increased along the circumferential direction of the second cavity 12. Second locating part 25 with retaining member 4 sliding fit, second locating part 25 enters into second cavity 12 after, drives second locating part 25 along through rotating plug spare 2 highly crescent of retaining member 4 to promote and contradict in order to play spacing effect at the downside of cavity baffle 13 with first locating part 22 of second locating part 25 fixed connection.
The end of the locking piece 4 is provided with a stop part 41. The stopping part and the stopping part 41 are arranged at the end of the locking member 4, the stopping part and the stopping part 41 are used for limiting the maximum displacement of the second limiting member 25 sliding along the locking member 4, when the second limiting member 25 abuts against the locking member 4, the second limiting member 25 reaches the maximum position of the height of the locking member 4, at this time, the first limiting member 22 is tightly attached to the lower side of the cavity partition 13, the second limiting member 25 is tightly attached to the locking member 4, so that the fixing of the plug member 2 is realized, at this time, the plug member 2 is inserted into the expansion member 3 to expand the expansion member 3 so as to realize the fixing of the expansion member 3 and the fixing member 200, so that the fixing member 100 is fixed on the base 1, the plug member 2 is fixed in the second cavity 12 of the base 1 through the matching of the first limiting member 22 and the second limiting member 25 so as to realize the fixing of the plug member 2 and the base 1, and the plug member 2 makes the expansion body 3 expand in the, thereby, the connection and fixation of the fixed member 100 and the fixed member 200 are realized.
It can be understood that the outer side wall of the base 1 is provided with a base clamping foot 15, the upper end of the base 1 is provided with a platform edge 16, and the fixed part 100 is limited between the clamping foot 15 and the platform edge 16. One end of the fixed part 100 is abutted against the base clamping leg 15, the other end is abutted against the table edge 16, and the fixed part 100 is limited between the base clamping leg 15 and the table edge 16, so that the fixed part 100 is fixed with the base 1.
The plug piece 2 comprises a plug piece clamping pin 23, and the plug piece clamping pin 23 is fixed at the end of the plug piece close to the expansion body 3; and in the fastened state, the plug member engaging leg 23 is inserted into the expansion body 3 to expand the expansion body 3. The purpose of the plug member engaging leg 23 is to increase the expansion volume of the expansion body 3, thereby allowing the expanded expansion body 3 to be more tightly coupled with the fixing member 200
The plug part 2 comprises a plug part handle 24, and the plug part handle 24 is fixed at the end of the plug part body 21 far away from the expansion body 3. The plug handle 24 facilitates the rotation of the plug 2, and the first limiting member 22 and the second limiting member 25 are driven to rotate by rotating the plug handle 24.
Specifically, the first limiting member 22 is composed of two protrusions extending in opposite directions, and the shape of the first limiting member passing hole 14 is adapted to the shape of the first limiting member 22; in the fastened state, the extending direction of the protruding portion of the first limiting member 22 is not consistent with the extending direction of the limiting member through hole 14. This is to achieve that the first stop 22 abuts against the cavity partition 3. The second limiting member 25 is composed of two protrusions extending in opposite directions, and the shape of the first limiting member passing hole 14 is adapted to the shape of the second limiting member 25; preferably, the extending direction of the protruding portion on the second limiting member 25 is the same as the extending direction of the protruding portion on the first limiting member 22, but it may not be the same, but it is more convenient to make the second limiting member 25 and the first limiting member 22 pass through the first limiting member passing hole 14 when the plug member is installed by adopting the same arrangement.
It can be understood that a second limiting part passing hole 17 is disposed on the end surface of the base 1, the shape of the second limiting part passing hole 17 is consistent with that of the first limiting part passing hole 14, and the second limiting part passing hole 17 communicates with the outside and the first cavity 11.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (8)
1. An inflation buckle which characterized in that: comprises a base, a plug piece and an expansion body;
a first cavity and a second cavity are arranged in the base, the first cavity and the second cavity are separated by a cavity partition plate, and a first limiting part passing hole is formed in the cavity partition plate; the first limiting piece passing hole is communicated with the first cavity and the second cavity;
the expansion body is fixed on the base;
the plug piece comprises a plug piece body and a first limiting piece; the first limiting piece is fixed on the plug piece body and matched with the first limiting piece passing hole, so that the first limiting piece enters or leaves the second cavity through the first limiting piece passing hole;
the expansion buckle has a buckling state and a non-buckling state;
in the buckling state, the first limiting part is limited in the second cavity, and the plug piece body is matched with the expansion body so that the expansion body is expanded in the fixing part;
in a non-buckling state, the first limiting piece leaves the second cavity through the first limiting piece passing hole and enters the first cavity, so that the plug piece body is far away from the expansion body;
the plug piece body is provided with a second limiting piece, and the first limiting piece and the second limiting piece are sequentially arranged on the plug piece body; the second limiting piece and the first limiting piece are supported at two ends of the second cavity in the length direction so as to realize a buckling state;
the expansion buckle further comprises a locking piece, the locking piece is fixed on the base, and the locking piece is arranged at the bottom end of the cavity of the second cavity;
under the lock state, the retaining member is set to be inconsistent with the second locating part, so that the first locating part is inconsistent with the cavity partition plate.
2. The expansion buckle according to claim 1, characterized in that: the height of the retaining member is gradually increased along the circumferential direction of the second cavity.
3. The expansion buckle according to claim 2, characterized in that: the end of the locking piece is provided with a stop part.
4. The expansion buckle according to claim 1, characterized in that: the outer side wall of the base is provided with a base clamping pin, the upper end of the base is provided with a table edge, and the fixed piece is limited between the clamping pin and the table edge.
5. The expansion buckle according to claim 1, characterized in that: the plug piece comprises a plug piece clamping pin which is fixed at the end head of the plug piece body close to the expansion body; and in the buckled state, the plug piece clamping foot is inserted into the expansion body to expand the expansion body.
6. The expansion buckle according to claim 1, characterized in that: the plug piece comprises a plug piece handle, and the plug piece handle is fixed at the end of the plug piece body far away from the expansion body.
7. The expansion buckle according to claim 1, characterized in that: the first limiting piece consists of two protrusions extending in opposite directions, and the shape of the first limiting piece passing hole is matched with that of the first limiting piece; in the locked state, the extending direction of the first limiting part protruding part is not consistent with the extending direction of the first limiting part through hole.
8. The expansion buckle according to claim 1, characterized in that: the end face of the base is provided with a second limiting part passing hole, the shape of the second limiting part passing hole is consistent with that of the first limiting part passing hole, and the second limiting part passing hole is communicated with the outside and the first cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840682.5A CN108644198B (en) | 2018-07-27 | 2018-07-27 | Expansion buckle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840682.5A CN108644198B (en) | 2018-07-27 | 2018-07-27 | Expansion buckle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108644198A CN108644198A (en) | 2018-10-12 |
| CN108644198B true CN108644198B (en) | 2020-07-24 |
Family
ID=63760449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810840682.5A Active CN108644198B (en) | 2018-07-27 | 2018-07-27 | Expansion buckle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644198B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565841A (en) * | 2021-08-11 | 2021-10-29 | 上海弟哥智能家居有限公司 | Hidden furniture board connecting piece |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4213381B2 (en) * | 2001-12-07 | 2009-01-21 | 株式会社パイオラックス | clip |
| CN200993145Y (en) * | 2006-12-15 | 2007-12-19 | 陈姚建平 | Fast expansion screw |
| JP2012149731A (en) * | 2011-01-20 | 2012-08-09 | Steelcase Japan Kk | Cabinet linking member |
| KR20140050134A (en) * | 2012-10-17 | 2014-04-29 | 엔브이에이치코리아(주) | Reusable mounting clip |
| CN203879878U (en) * | 2014-03-31 | 2014-10-15 | 长城汽车股份有限公司 | Buckle, buckle installation structure and vehicle |
| TWI625471B (en) * | 2017-05-22 | 2018-06-01 | 技嘉科技股份有限公司 | Latch and assembly using the same |
| CN207195433U (en) * | 2017-08-03 | 2018-04-06 | 青岛海尔空调器有限总公司 | Bayonet unit |
-
2018
- 2018-07-27 CN CN201810840682.5A patent/CN108644198B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108644198A (en) | 2018-10-12 |
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Address after: 230601 No. 99 Ziyun Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: Anhui Jianghuai Automobile Group Limited by Share Ltd |
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