CN107299927B - Self-locking fixing mechanism of luggage rack - Google Patents
Self-locking fixing mechanism of luggage rack Download PDFInfo
- Publication number
- CN107299927B CN107299927B CN201710450999.3A CN201710450999A CN107299927B CN 107299927 B CN107299927 B CN 107299927B CN 201710450999 A CN201710450999 A CN 201710450999A CN 107299927 B CN107299927 B CN 107299927B
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- China
- Prior art keywords
- engagement
- meshing
- engagement surface
- end portion
- stud
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Links
- 238000010079 rubber tapping Methods 0.000 abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R5/00—Compartments within vehicle body primarily intended or sufficiently spacious for trunks, suit-cases, or the like
- B60R5/003—Luggage racks, e.g. for busses
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- 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/10—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device by a separate operation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention belongs to the technical field of automobile parts, and provides a self-locking fixing mechanism of a luggage rack, which comprises the following components: the riveting nut is inserted in the fixed plate through the limiting hole, the base is arranged at the lower end of the riveting nut, a connecting through hole is formed in one side of the base, a first meshing disc is arranged in the connecting through hole, an inserting hole is formed in the first meshing disc, the stud post is inserted in the base through the inserting hole, the stud post is provided with a middle end portion, and a second meshing disc meshed with the first meshing disc is arranged on the middle end portion. Compared with the prior art, the invention has the advantages that the forward meshing teeth and the reverse meshing teeth are meshed with each other, the force required by forward screwing is small, the forward meshing teeth and the reverse meshing teeth are meshed with each other during reverse screwing, the triangular nut has tapping and locking functions, and the two functions act simultaneously, so that the torque force is large, and the stud bolt column and the riveting nut cannot idle.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to a self-locking fixing mechanism of a luggage rack.
Background
Under the general condition, the base and the aluminum pipe in the luggage rack are connected and fixed by the stud, the locking torque of the stud at the end part of the plum blossom head is generally broken in 10N.M, the engagement torque of the stud and the aluminum pipe riveting nut of the luggage rack is mainly 8N.M or so, under the condition that the locking nut in the luggage rack is corroded, the luggage rack is disassembled, a large torque is required, loosening is caused between the stud and the riveting nut of the luggage rack, the stud is idle, the luggage rack cannot be disassembled, and great trouble is brought to the installation and the disassembly of customers.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides a self-locking fixing mechanism of a luggage rack, which can automatically lock, does not idle and is convenient to install and disassemble.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a luggage rack auto-lock fixed establishment, include: the riveting nut is inserted into the fixing plate through the limiting hole, the base is arranged at the lower end of the riveting nut, a connecting through hole is formed in one side of the base, a first meshing disc is arranged in the connecting through hole, an inserting hole is formed in the first meshing disc, the stud post is inserted into the base through the inserting hole, the stud post is provided with a middle end portion, and a second meshing disc meshed with the first meshing disc is arranged on the middle end portion.
In the self-locking fixing mechanism of a luggage rack, the first meshing disc is provided with a plurality of reverse meshing teeth, one side of each reverse meshing tooth is connected with the inner side of the connecting hole, each reverse meshing tooth is provided with a first meshing surface and a second meshing surface, the first meshing surface is positioned between two adjacent second meshing surfaces, an included angle is formed between the first meshing surface and the second meshing surface, and the first meshing surface is an inclined surface.
In the self-locking fixing mechanism of a luggage rack, the second meshing plate is provided with a plurality of forward meshing teeth, the forward meshing teeth are provided with third meshing surfaces and fourth meshing surfaces, the third meshing surfaces are positioned between two adjacent fourth meshing surfaces, an included angle is formed between the third meshing surfaces and the fourth meshing surfaces, the third meshing surfaces are inclined surfaces, and the inclination direction of the third meshing surfaces is opposite to that of the first meshing surfaces.
In the self-locking and fixing mechanism of a luggage rack, the stud post further has a top end portion and a tail end portion, the top end portion is disposed on the upper side of the middle end portion, and the bottom end portion is disposed on the lower side of the terminal portion.
In the self-locking fixing mechanism of the luggage rack, the top end part is inserted into the riveting nut, the top end part is provided with a triangular thread, the triangular thread is provided with three surfaces, and an included angle between two adjacent surfaces is 120 degrees.
In the self-locking fixing mechanism of the luggage rack, the tail end part is provided with the plum blossom lock head.
In the self-locking fixing mechanism of the luggage rack, a first limiting plate is arranged at the bottom end of the outer side of the riveting nut, a second limiting plate is arranged above the first limiting plate, the first limiting plate abuts against the lower side of the fixing plate, and the second limiting plate abuts against the upper side of the fixing plate.
Compared with the prior art, the invention has the advantages that the forward meshing teeth and the reverse meshing teeth are meshed with each other, the force required by forward screwing is small, but the forward meshing teeth and the reverse meshing teeth are meshed with each other during reverse screwing, the triangular nut has the tapping locking function, and the two functions act simultaneously, so that the torque force is large, the stud bolt column and the riveting nut can not generate idling phenomenon, and the smooth installation and disassembly are ensured.
Drawings
FIG. 1 is a cross-sectional view of the present roof rack self-locking securing mechanism;
FIG. 2 is a schematic illustration of a specific construction of a double-headed stud and a cross-sectional view of the tip portion;
fig. 3 is a schematic view of a specific structure of the base.
FIG. 4 is an assembly view of a double-headed stud with a base;
in the figure: the riveting nut 2, the base 3, the stud 4, the fixing plate 5, the limit hole 6, the connecting through hole 7, the first engagement disk 8, the insertion hole 9, the middle end 10, the second engagement disk 11, the reverse engagement tooth 12, the first engagement surface 13, the second engagement surface 14, the forward engagement tooth 15, the third engagement surface 16, the fourth engagement surface 17, the top end 18, the tail end 19, the triangular thread 20, the plum blossom head 21, the first limit plate 22 and the second limit plate 23.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, the luggage rack self-locking fixing mechanism comprises: the riveting nut 2 is inserted into the fixing plate 5 through the limiting hole 6, the base 3 is arranged at the lower end of the riveting nut 2, a connecting through hole 7 is arranged on one side of the base 3, a first meshing disc 8 is arranged in the connecting through hole 7, an inserting hole 9 is formed in the first meshing disc 8, the stud post 4 is inserted into the base 3 through the inserting hole 9, the double-headed stud post 4 is provided with a middle end portion 10, and a second meshing disc 11 meshed with the first meshing disc 8 is arranged on the middle end portion 10.
The double-head bolt column 4 is inserted into the base 3 through the insertion hole 9, the first engagement disk 8 is engaged with the second engagement disk 11, the force required by forward screwing is small during engagement, but the forward engagement teeth 15 and the reverse engagement teeth 12 are engaged with each other during reverse screwing, the torque force is large in time, and the screwing cannot be easily performed.
As shown in fig. 2 and 3, the first engaging plate 8 has a plurality of reverse engaging teeth 12, one side of the reverse engaging teeth 12 is connected to the inner side of the connecting hole, the reverse engaging teeth 12 have a first engaging surface 13 and a second engaging surface 14, the first engaging surface 13 is located between two adjacent second engaging surfaces 14, an included angle is formed between the first engaging surface 13 and the second engaging surface 14, and the first engaging surface 13 is an inclined surface.
The second engagement disc 11 has a plurality of forward engagement teeth 15, the forward engagement teeth 15 have a third engagement surface 16 and a fourth engagement surface 17, the third engagement surface 16 is located between two adjacent fourth engagement surfaces 17, an included angle is formed between the third engagement surface 16 and the fourth engagement surface 17, the third engagement surface 16 is an inclined surface, and an inclination direction of the third engagement surface 16 is opposite to an inclination direction of the first engagement surface 13.
As shown in fig. 4, when the first engagement disk 8 and the second engagement disk 11 are engaged with each other, the third engagement surface 16 on the forward engagement tooth 15 and the first engagement surface 13 on the reverse engagement tooth 12 are brought into close contact with each other, the second engagement surface 14 and the fourth engagement surface 17 are brought into close contact, and further, since both the first engagement surface 13 and the third engagement surface 16 are inclined surfaces and the inclination direction of the third engagement surface 16 is opposite to that of the first engagement surface 13, the third engagement surface 16 slides on the first engagement surface 13 when the second engagement disk 11 rotates clockwise, and the second engagement surface 14 just blocks the fourth engagement surface 17 when the second engagement disk 11 rotates counterclockwise, so that the double-headed stud 4 cannot rotate counterclockwise on the base 3.
As shown in fig. 3, the stud bolt 4 further has a distal end 18 and a rear end 19, the distal end 18 being provided above the intermediate end 10, and the rear end being provided below the terminal end.
The tip 18 is inserted into the rivet nut 2, and the tip 18 has a triangular thread 20, and the triangular thread 20 has three faces, and an angle between two adjacent faces is 120 °. The tail end 19 is provided with a quincuncial lock 21. The quincuncial lock 21 is used for connecting with the top end of the car body
The triangular thread 20 has the function of tapping, locking and fixing, so that a self-locking mechanism is formed between the top end 18 of the stud bolt column 4 and the alarm nut, when the stud bolt column 4 needs to be disassembled, the double-head bolt column 4 is rotated anticlockwise, the first meshing disk 8 and the second meshing disk 11 do not slide, namely, no idle running phenomenon occurs, when the stud bolt column 4 needs to be assembled, the first meshing disk 8 and the second meshing disk 11 slide, and the stud bolt column 2 can be assembled,
as shown in fig. 1, a first limiting plate 22 is arranged at the bottom end of the outer side of the riveting nut 2, a second limiting plate 23 is arranged above the first limiting plate 22, the first limiting plate 22 abuts against the lower side of the fixing plate 5, and the second limiting plate 23 abuts against the upper side of the fixing plate 5.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. A self-locking securing mechanism for a luggage rack, comprising: the riveting nut is inserted into the fixing plate through the limiting hole, the first limiting plate is arranged above the first limiting plate, the first limiting plate is propped against the lower side of the fixing plate, the second limiting plate is propped against the upper side of the fixing plate, the base is arranged at the lower end of the riveting nut, a connecting through hole is formed in one side of the base, a first meshing disc is arranged in the connecting through hole, an inserting hole is formed in the first meshing disc, the stud is inserted into the base through the inserting hole, the stud is provided with a middle end portion, the second meshing disc meshed with the first meshing disc is arranged on the middle end portion, the stud is further provided with a top end portion and a tail end portion, the top end portion is arranged on the upper side of the middle end portion, the tail end portion is arranged on the lower side of the middle end portion, the top end portion is inserted into the riveting nut, the top end portion is provided with a triangular thread, the triangular thread is arranged on the three sides, the adjacent faces are not meshed with the first meshing disc, and the stud is not meshed with the second meshing disc in a sliding mode, and the stud is not meshed with the first meshing disc in a sliding mode, and the stud is not required to be meshed with the second meshing disc in a sliding mode.
2. The self-locking mechanism of a luggage rack according to claim 1, wherein the first engagement plate has a plurality of reverse engagement teeth, one side of the reverse engagement teeth is connected to the inner side of the connecting hole, the reverse engagement teeth have a first engagement surface and a second engagement surface, the first engagement surface is located between two adjacent second engagement surfaces, an included angle is formed between the first engagement surface and the second engagement surface, and the first engagement surface is an inclined surface.
3. The self-locking mechanism of a luggage rack according to claim 1, wherein the second engagement plate has a plurality of forward engagement teeth, the forward engagement teeth have a third engagement surface and a fourth engagement surface, the third engagement surface is located between two adjacent fourth engagement surfaces, an included angle is formed between the third engagement surface and the fourth engagement surface, the third engagement surface is an inclined surface, and an inclination direction of the third engagement surface is opposite to an inclination direction of the first engagement surface.
4. The luggage rack self-locking mechanism according to claim 1, wherein the tail end is provided with a quincuncial lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450999.3A CN107299927B (en) | 2017-06-15 | 2017-06-15 | Self-locking fixing mechanism of luggage rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710450999.3A CN107299927B (en) | 2017-06-15 | 2017-06-15 | Self-locking fixing mechanism of luggage rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107299927A CN107299927A (en) | 2017-10-27 |
| CN107299927B true CN107299927B (en) | 2023-05-23 |
Family
ID=60135730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710450999.3A Active CN107299927B (en) | 2017-06-15 | 2017-06-15 | Self-locking fixing mechanism of luggage rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107299927B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109334583A (en) * | 2018-10-16 | 2019-02-15 | 宁波信泰机械有限公司 | A kind of automobile luggage racks tolerance regulating device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174941A (en) * | 2011-03-24 | 2011-09-07 | 贵州航天精工制造有限公司 | Connection method and structure of steel plate riveting nylon self-locking nut |
| CN102840214B (en) * | 2011-06-21 | 2015-04-22 | 北汽福田汽车股份有限公司 | Bolt group |
| CN203500454U (en) * | 2013-09-17 | 2014-03-26 | 力帆实业(集团)股份有限公司 | Automobile luggage carrier sealing structure and sealing member |
| KR101434804B1 (en) * | 2013-11-28 | 2014-08-26 | 이채봉 | Net hook for automotive luggage |
| CN204300050U (en) * | 2014-11-19 | 2015-04-29 | 中国航空工业集团公司西安飞机设计研究所 | Part mounting structure in a kind of leading-edge slat ribs |
| CN105090208A (en) * | 2015-08-25 | 2015-11-25 | 王景东 | Looseness-preventing and disassembling-preventing bolt |
| CN205260538U (en) * | 2015-12-11 | 2016-05-25 | 上海誉高紧固系统有限公司 | Alloy steel stud |
| CN207195395U (en) * | 2017-06-15 | 2018-04-06 | 宁波信泰机械有限公司 | A kind of self-locking fixed mechanism of luggage carrier |
-
2017
- 2017-06-15 CN CN201710450999.3A patent/CN107299927B/en active Active
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| Publication number | Publication date |
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| CN107299927A (en) | 2017-10-27 |
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