CN111137226A - Detachable base plate guard plate nut - Google Patents
Detachable base plate guard plate nut Download PDFInfo
- Publication number
- CN111137226A CN111137226A CN201911376988.0A CN201911376988A CN111137226A CN 111137226 A CN111137226 A CN 111137226A CN 201911376988 A CN201911376988 A CN 201911376988A CN 111137226 A CN111137226 A CN 111137226A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- nut
- foot
- chassis
- umbrella
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010009 beating Methods 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 14
- 229910052751 metal Inorganic materials 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000004021 metal welding Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0861—Insulating elements, e.g. for sound insulation for covering undersurfaces of vehicles, e.g. wheel houses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
-
- 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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/041—Releasable devices
- F16B37/043—Releasable devices with snap action
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Abstract
The invention relates to a detachable chassis guard plate nut which comprises a cylinder, an umbrella-shaped limiting cover, elastic legs and clamping legs, wherein the umbrella-shaped limiting cover is positioned at the top of the cylinder, the umbrella-shaped limiting cover and the cylinder are of a penetrating structure along the central axis direction of the cylinder, the elastic legs are uniformly distributed at intervals along the circumferential direction on the outer side of the cylinder, the lower ends of the elastic legs are fixed with the cylinder, the upper ends of the elastic legs are of movable structures capable of being compressed inwards, limiting convex shoulders are arranged on the elastic legs, the clamping legs are uniformly distributed at intervals along the circumferential direction on the inner side of the cylinder, and the inner side surfaces of a plurality of clamping legs distributed along the circumferential direction face the central axis of. The invention can realize the integrated preassembly of the nut and the guard plate, is convenient for the installation and the disassembly of the guard plate and the automobile chassis metal plate, is beneficial to reducing the cost, improving the assembly efficiency and can avoid the friction between the guard plate and the chassis metal plate.
Description
Technical Field
The invention belongs to the technical field of installation of automobile chassis guard plates, and particularly relates to a detachable chassis guard plate nut.
Background
The exterior trim chassis backplate of all kinds of cars need be installed the panel beating on car body chassis through the connecting piece on, current car chassis backplate mounting structure welds an iron on the body chassis panel beating and welds the nail, and the trompil on the backplate of bottom passes after welding the nail, screws up the nut of fixed usefulness with the moment of torsion rifle and welds on the nail to accomplish the installation of bottom backplate.
The existing automobile chassis guard plate mounting structure mainly has the following defects: firstly, the nut and the chassis guard plate are of a separated structure and need to be purchased respectively and assembled on an automobile assembly line, so that the part cost and the assembly time cost are increased; secondly, the automobile assembly line needs to carry out a multi-step installation process, which comprises the steps of firstly preassembling a chassis guard plate on an automobile body, and then screwing and fixing nuts and welding nails by adopting a torque gun; and thirdly, the metal plate and the guard plate of the installed structure chassis are contacted with each other, friction can be generated between the metal plate and the guard plate of the chassis in the running process of the vehicle, and the metal plate corrosion risk is easily caused by the damage to the metal plate surface.
Disclosure of Invention
The invention aims to solve the technical problem of providing a detachable chassis guard plate nut which can realize the integrated preassembly of the nut and the guard plate, is convenient for the installation and disassembly of the guard plate and an automobile chassis metal plate, is beneficial to reducing the cost, improving the assembly efficiency and avoiding the friction between the guard plate and the chassis metal plate.
The invention provides a detachable chassis guard plate nut which comprises a cylinder, an umbrella-shaped limiting cover, elastic legs and clamping legs, wherein the umbrella-shaped limiting cover is positioned at the top of the cylinder, the umbrella-shaped limiting cover and the cylinder are of a penetrating structure along the central axis direction of the cylinder, the elastic legs are uniformly distributed at intervals along the circumferential direction on the outer side of the cylinder, the lower ends of the elastic legs are fixed with the cylinder, the upper ends of the elastic legs are of movable structures capable of being compressed inwards, limiting convex shoulders are arranged on the elastic legs, the clamping legs are uniformly distributed at intervals along the circumferential direction on the inner side of the cylinder, and the inner side surfaces of a plurality of clamping legs distributed along the circumferential direction face the central axis of the cylinder and are provided with mutually matched thread structures.
The cylinder is whole to be column frame construction, the cylinder includes underframe and post frame, the underframe is located the bottom of post frame just the even interval distribution of circumference is followed to the post frame, the position that corresponds the axis is covered with umbelliform spacing to the underframe and umbelliform is equipped with the through-hole.
The whole L type that is of card foot, the card foot includes the horizontal connecting portion of lower extreme and vertical latch portion, the card foot passes through the inboard of connecting portion and cylinder to be fixed, the helicitic texture sets up in the side of the relative cylinder axis of latch portion.
The edge of the umbrella-shaped limiting cover is arranged to be of a rectangular tooth structure along the circumferential direction.
The top of the umbrella-shaped limiting cover is provided with an inner hexagonal structure.
The nut is of an integral injection molding structure.
The novel telescopic elastic foot device is characterized by further comprising a chassis protection plate, wherein a round hole matched with the cylinder is formed in the chassis protection plate, the cylinder is inserted into the chassis protection plate from top to bottom through the round hole, and the chassis protection plate is filled into the cylinder through a compressed elastic foot and is clamped between the umbrella-shaped limiting cover and the limiting convex shoulder of the elastic foot.
Still include the automobile body chassis panel beating, be fixed with the welding nail on the chassis panel beating, the welding nail from the top up is in along the axis dress cover of cylinder in the nut, form joint fastening cooperation through helicitic texture between welding nail and the card foot.
Advantageous effects
Firstly, the chassis guard plate can be preassembled with the nut, the effect of integrating delivery supply from factories is achieved, the part purchase and management cost is reduced, the compressible elastic foot structure facilitates the sheathing of the guard plate, and the elastic foot and the umbrella-shaped limiting cover can limit the guard plate to ensure the stability of the guard plate sheathing on the nut.
Secondly, on the automobile assembly line, only need aim at the nut and press the welding nail on the chassis panel beating with the welding nail and squeeze into the nut, can realize installing the chassis backplate on the automobile body chassis panel beating, it is convenient to install, has reduced backplate installation process, is favorable to practicing thrift assembly man-hour cost.
Thirdly, the welding nails and the nuts on the metal plate of the automobile body chassis are clamped through the clamping pins, so that the sufficient holding force is ensured, and meanwhile, the function of releasing through rotation is achieved, so that the chassis protection plate can be conveniently disassembled and assembled, and the protection plate can be conveniently disassembled, maintained and repaired in the using process of an automobile.
Fourthly, the invention can ensure that the space exists between the guard plate and the chassis metal plate surface, thereby avoiding the friction between the guard plate and the chassis metal plate surface during the vehicle running and avoiding the risk of corrosion caused by damaging the protection of the metal plate surface.
Fifthly, the edge of the umbrella-shaped limiting cover is circumferentially provided with the rectangular tooth structure, and the sheet tooth structure at the edge of the umbrella-shaped limiting cover can effectively prevent the nut from rotating after being clamped on the welding nail to be assembled no matter the surface of the protective plate is a smooth surface or a soft fabric surface, so that the phenomenon of loosening is avoided.
Drawings
Fig. 1 is a front view of the nut of the present invention.
Fig. 2 is a schematic top view of the nut of the present invention.
Fig. 3 is a schematic structural view of the nut and the guard plate before assembly.
Fig. 4 is a schematic structural view of the nut and the guard plate after assembly.
FIG. 5 is a schematic structural view of the pre-assembled structure of the guard plate and the sheet metal welding nail of the present invention before assembly.
FIG. 6 is a schematic view of the structure of the pre-assembled structure of the guard plate and the assembled sheet metal welding nail of the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in fig. 1 and 2, the detachable chassis guard plate nut comprises a cylinder 1, an umbrella-shaped limiting cover 2, an elastic leg 3 and a clamping leg 4, and the nut is of an integral injection molding structure made of plastic materials.
The column body 1 is of a columnar frame structure integrally, the column body 1 comprises a bottom frame 1-1 and column frames 1-2, the bottom frame 1-1 is located at the bottoms of the column frames 1-2, and the column frames 1-2 are distributed at intervals along the circumferential direction. The umbrella-shaped limiting cover 2 is positioned at the top of the column body 1, and through holes are formed in the positions, corresponding to the central axis of the column body 1, of the bottom frame 1-1 and the umbrella-shaped limiting cover 2, so that the umbrella-shaped limiting cover 2 and the column body 1 are of a penetrating structure along the direction of the central axis. The middle of the top of the umbrella-shaped limiting cover 2 is provided with an inner hexagonal structure 8 which is used for being connected with a gun head of a torque gun. The edge of the umbrella-shaped limiting cover 2 is arranged into a rectangular tooth structure along the circumferential direction.
The two elastic feet 3 are symmetrically arranged on the outer side of the column body 1, the lower ends of the elastic feet 3 are fixed with the column body 1, the upper ends of the elastic feet 3 are of movable structures capable of being compressed inwards, and the elastic feet 3 are provided with limiting convex shoulders 3-1. Four clamping feet 4 are arranged on the inner side of the column body 1, the four clamping feet 4 are arranged oppositely in pairs and are arranged into an upper layer and a lower layer along the central axis direction of the column body 1. The clamping foot 4 is integrally L-shaped and comprises a connecting portion with a transverse lower end and a vertical clamping tooth portion, the clamping foot 4 is fixed with the inner side of the column frame 1-2 through the connecting portion, and the side face of the clamping tooth portion faces the central axis of the column body 1 and is provided with a thread structure matched with the side face of the central axis.
Fig. 3 and 4 show a fender pre-assembly structure, which comprises a chassis fender 5 and the above-mentioned detachable chassis fender nut. The chassis guard plate 5 is provided with a round hole matched with the cylinder 1, the cylinder 1 penetrates through the round hole from top to bottom on the chassis guard plate 5, and the chassis guard plate 5 is loaded into the cylinder 1 through the compression spring leg 3 and is clamped between the umbrella-shaped limiting cover 2 and the limiting convex shoulder 3-1 of the spring leg 3. The structure of compressible bullet foot 3 makes things convenient for the dress cover of chassis backplate 5, plays foot 3 and umbelliform spacing lid 2 and can carry out spacing assurance chassis backplate 5 stability of dress cover on the nut to chassis backplate 5. Through carrying out the pre-installation with chassis backplate 5 and nut, can reach the effect of integrated delivery of goods of delivering from the factory, be favorable to reducing the cost of enterprise in the aspect of part purchase and storing in a warehouse, management to the part etc..
As shown in fig. 5 and 6, the guard plate mounting structure includes a vehicle body chassis metal plate 6, a welding nail 7 fixed on the vehicle body chassis metal plate 6, and the guard plate preassembly structure, wherein the welding nail 7 is sleeved in a nut from bottom to top along a central axis of the cylinder 1, and the welding nail 7 and the clamping leg 4 form clamping fastening fit through a thread structure. On the automobile assembly line, only need aim at the nut among the backplate pre-installation structure and apply pressure to will weld nail 7 and squeeze into the nut with welding nail 7 on the vehicle body chassis panel beating 6, can realize installing chassis backplate 5 on vehicle body chassis panel beating 6, weld and carry out the joint through card foot 4 between nail 7 and the nut on the vehicle body chassis panel beating 6, when guaranteeing to have enough holding power, possess the function through rotatory dropout to the dismouting of chassis backplate 5 is convenient for. When the nut is disassembled, the nut can be disassembled by directly rotating and tripping the inner hexagonal structure 8 aligned with the top of the nut by using a torque gun, and the nut is convenient and quick.
In the present invention, the description of the orientation such as "upper" and "lower" is only used for convenience of description and should not be construed as limiting the scope of the present invention.
Claims (8)
1. The utility model provides a can dismantle chassis backplate nut which characterized in that: including cylinder (1), the spacing lid of umbelliform (2), bullet foot (3) and card foot (4), the top that the spacing lid of umbelliform (2) is located cylinder (1), the axis direction of cylinder (1) is followed to the spacing lid of umbelliform (2) and cylinder (1) is for running through the structure, play foot (3) along the even interval distribution of circumference in the outside of cylinder (1), bullet foot (3) lower extreme is fixed with cylinder (1), the upper end is the active structure that can inwards compress, be equipped with spacing convex shoulder (3-1) on bullet foot (3), card foot (4) are equipped with the helicitic texture that matches each other along the even interval distribution of circumference in the inboard of cylinder (1), the medial surface of a plurality of card feet (4) of circumference distribution towards the axis and cylinder (1).
2. The removable floor shield nut of claim 1, further comprising: the column body (1) is integrally of a columnar frame structure, the column body (1) comprises a bottom frame (1-1) and a column frame (1-2), the bottom frame (1-1) is located at the bottom of the column frame (1-2) and the column frame (1-2) is distributed at intervals along the circumferential direction, and through holes are formed in positions, corresponding to the central axis, on the bottom frame (1-1) and the umbrella-shaped limiting cover (2).
3. The removable floor shield nut of claim 1, further comprising: the clamping foot (4) is integrally L-shaped, the clamping foot (4) comprises a connecting portion with the lower end transverse and a vertical clamping tooth portion, the clamping foot (4) is fixed to the inner side of the column body (1) through the connecting portion, and the thread structure is arranged on the side face of the clamping tooth portion opposite to the central axis of the column body (1).
4. The removable floor shield nut of claim 1, further comprising: the edge of the umbrella-shaped limiting cover (2) is arranged to be of a rectangular tooth structure along the circumferential direction.
5. The removable floor shield nut of claim 1, further comprising: the top of the umbrella-shaped limiting cover (2) is provided with an inner hexagonal structure (8).
6. A removable floor sheathing nut according to any one of claims 1 to 5, wherein: the nut is of an integral injection molding structure.
7. A removable floor sheathing nut according to any one of claims 1 to 5, wherein: the novel elastic protection device is characterized by further comprising a chassis protection plate (5), wherein a round hole matched with the cylinder body (1) is formed in the chassis protection plate (5), the cylinder body (1) penetrates through the round hole from top to bottom on the chassis protection plate (5), the chassis protection plate (5) is loaded into the cylinder body (1) through the compression elastic foot (3) and is clamped and sleeved between the umbrella-shaped limiting cover (2) and the limiting convex shoulder (3-1) of the elastic foot (3).
8. A removable floor sheathing nut according to any one of claim 8, wherein: still include automobile body chassis panel beating (6), be fixed with on chassis panel beating (6) and weld nail (7), weld nail (7) from the top down along the axis dress cover of cylinder (1) in the nut, form joint fastening cooperation through helicitic texture between weld nail (7) and card foot (4).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911376988.0A CN111137226A (en) | 2019-12-27 | 2019-12-27 | Detachable base plate guard plate nut |
| CN202011341422.7A CN112406736A (en) | 2019-12-27 | 2020-11-25 | Detachable base plate guard plate nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911376988.0A CN111137226A (en) | 2019-12-27 | 2019-12-27 | Detachable base plate guard plate nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111137226A true CN111137226A (en) | 2020-05-12 |
Family
ID=70520937
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911376988.0A Pending CN111137226A (en) | 2019-12-27 | 2019-12-27 | Detachable base plate guard plate nut |
| CN202011341422.7A Pending CN112406736A (en) | 2019-12-27 | 2020-11-25 | Detachable base plate guard plate nut |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011341422.7A Pending CN112406736A (en) | 2019-12-27 | 2020-11-25 | Detachable base plate guard plate nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN111137226A (en) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0511368Y2 (en) * | 1987-12-02 | 1993-03-22 | ||
| JP3250598B2 (en) * | 1995-06-28 | 2002-01-28 | 株式会社小糸製作所 | Self-locking nut |
| US5694719A (en) * | 1995-11-03 | 1997-12-09 | Ford Motor Company | Snap-in slip joint adjusting attachment |
| JP2003291860A (en) * | 2002-04-05 | 2003-10-15 | Nippon Pop Rivets & Fasteners Ltd | Undercover fitting device of floor back of automobile |
| US7226260B2 (en) * | 2002-06-24 | 2007-06-05 | A. Raymond, Inc. | Sheet metal fastening clip |
| JP2004044644A (en) * | 2002-07-10 | 2004-02-12 | Nippon Pop Rivets & Fasteners Ltd | Screw grommet |
| JP4850573B2 (en) * | 2006-04-24 | 2012-01-11 | ポップリベット・ファスナー株式会社 | Fixtures and mounting devices such as under covers |
| DE202009011986U1 (en) * | 2009-08-28 | 2009-12-10 | Illinois Tool Works Inc., Glenview | Device for connecting two components |
| DE102010024870A1 (en) * | 2010-06-22 | 2011-12-22 | Illinois Tool Works Inc. | Device for fastening a component to a fastening bolt |
| US8579570B2 (en) * | 2011-08-11 | 2013-11-12 | GM Global Technology Operations LLC | Fastener attaching a component to a panel |
| US10260546B2 (en) * | 2016-07-07 | 2019-04-16 | Ford Global Technologies, Llc | Insert nut and fastening system with integral seal and bumper |
-
2019
- 2019-12-27 CN CN201911376988.0A patent/CN111137226A/en active Pending
-
2020
- 2020-11-25 CN CN202011341422.7A patent/CN112406736A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN112406736A (en) | 2021-02-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200512 |