CN114396423A - Metal chuck for realizing high-strength connection with bolt - Google Patents
Metal chuck for realizing high-strength connection with bolt Download PDFInfo
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- CN114396423A CN114396423A CN202111628447.XA CN202111628447A CN114396423A CN 114396423 A CN114396423 A CN 114396423A CN 202111628447 A CN202111628447 A CN 202111628447A CN 114396423 A CN114396423 A CN 114396423A
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- bolt
- clamping piece
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- clamping
- piece
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- 239000002184 metal Substances 0.000 title claims abstract description 47
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
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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
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention relates to a metal chuck for realizing high-strength connection by matching with a bolt, which comprises a first clamping sheet, a second clamping sheet, a connecting sheet, a locking nut and an anti-falling lock tongue, the first clamping piece and the second clamping piece are connected through a connecting piece, a clamping groove for clamping a first plate to be connected and a second plate to be connected is formed between the first clamping piece and the second clamping piece, the locking nut is connected above the first clamping piece, a bolt used for locking and penetrating the second clamping piece, the second plate to be connected, the first plate to be connected and the first clamping piece, so as to realize the fastening connection between the first plate to be connected with the through hole and the second plate to be connected with the through hole, the anticreep spring bolt is connected in the top of second centre gripping piece for in the second is gone into the second and is treated the through-hole of connecting plate, prevent that the second from treating the connecting plate and remove or drop. Compared with the prior art, the invention adopts two modes of clamping and bolt connection at the same time, and can realize high-strength connection.
Description
Technical Field
The invention belongs to the technical field of connecting pieces, and particularly relates to a metal chuck for realizing high-strength connection by matching with a bolt.
Background
At present, the deep-drawing nut of adaptation automobile body welding bolt is mostly single tooth structure, and it is fixed with automobile body part locking through the moment of torsion rifle. Most of the cases, this structure nut is only applicable to the fastening of low moment of torsion, and intensity is lower, under the long-term vibrations condition of automobile body, easily produces not hard up, drops. Fastening strength is generally improved by increasing torque, but the method easily causes thread slipping and failure, and nuts cannot be directly withdrawn after the thread slipping affects loading rhythm.
Chinese patent CN 203926310U discloses a swift mounting nut for sheet metal component is connected, including last holding piece, holding piece down, nut body and support frame, go up the U-shaped structure of holding piece and holding piece down as integrated into one piece's opening in the horizontal direction, go up holding piece and holding piece parallel arrangement from top to bottom down, and go up the one end of holding piece and holding piece down and be elastic connection, it forms the opening with the other end of holding piece down to go up the holding piece, the nut body is fixed at last holding piece upper surface, the support frame is fixed at holding piece upper surface down, and the top of support frame leaves the interval that is used for pegging graft sheet metal component before with the lower surface of last holding piece. When this patent discloses a swift mounting nut uses, insert the sheet metal component between last holding piece and support frame, make this sheet metal component fix in swift mounting nut, pass through the screw with another connection sheet metal component simultaneously and fix on the nut body of last holding piece top, make two sheet metal component fixed connection, play the fixed connection effect between two parts, owing to adopt bayonet mode, the problem that can't be dismantled after the direct weld forming of product when having avoided the welding, but its connection structure's stability is relatively poor.
Disclosure of Invention
In order to solve the problem that the connection strength is insufficient when a mounting nut is matched with a bolt in the prior art, the invention provides a metal chuck for realizing high-strength connection by matching with the bolt.
The purpose of the invention can be realized by the following technical scheme:
the invention provides a metal chuck for realizing high-strength connection by matching with a bolt, which comprises a first clamping sheet, a second clamping sheet, a connecting sheet, a locking nut and an anti-falling lock tongue,
the first clamping piece and the second clamping piece are connected through a connecting piece, a clamping groove for clamping the first to-be-connected plate and the second to-be-connected plate is formed between the first clamping piece and the second clamping piece,
the locking nut is connected above the first clamping piece and used for locking the bolt passing through the second clamping piece, the second to-be-connected plate, the first to-be-connected plate and the first clamping piece so as to realize the fastening connection between the first to-be-connected plate with the through hole and the second to-be-connected plate with the through hole,
the anticreep spring bolt is connected in the top of second centre gripping piece for in the second is gone into the second and is treated the through-hole of connecting plate, prevent that the second from treating the connecting plate and remove or drop.
In one embodiment of the present invention, the first clamping piece, the connecting piece, and the second clamping piece are integrally formed elastic pieces.
In one embodiment of the present invention, through holes for passing bolts are formed on the first clamping piece, the second clamping piece and the anti-falling bolt.
In one embodiment of the present invention, the lock nut passes through the through hole of the first clamping piece and is connected to the first clamping piece through three clinch points.
In one embodiment of the present invention, the anti-release latch is integrally formed with the second clamping piece, and the anti-release latch is elastically connected to the second clamping piece.
In one embodiment of the invention, the anti-drop bolt is of annular construction.
In one embodiment of the invention, a fastening washer for further clamping the first plate to be connected and the second plate to be connected is arranged below the through hole of the first clamping piece, and a through hole for passing a bolt is arranged on the fastening washer.
In one embodiment of the invention, the end part of the first clamping piece is tilted upwards by 20-70 degrees, and the end part of the second clamping piece is tilted downwards by 20-70 degrees. Through setting up terminal perk structure to form the guide structure who is convenient for first board and the board is waited to connect to insert between first centre gripping piece and second centre gripping piece.
In one embodiment of the invention, the lock nut is a flange face lock nut.
In one embodiment of the present invention, the first plate to be connected is a plastic plate, and the second plate to be connected is a metal plate.
In one embodiment of the invention, the first plate to be connected is a vehicle body injection molded part, and the second plate to be connected is a vehicle metal plate.
In one embodiment of the present invention, the metal clip is formed by die stamping from a cold-rolled spring steel material.
In one embodiment of the present invention, the metal clip is heat-treated after the metal clip is formed and the lock nut is coupled to increase the strength and rigidity of the part, and finally surface-treated with dacromet to ensure corrosion resistance and beauty.
The metal chuck for realizing high-strength connection by matching with the bolt mainly adopts an installation mode of clamping and bolt locking and achieves the purpose of fastening the installed part by utilizing the characteristic of metal resilience. When the clamping device is used, the first to-be-connected plate and the second to-be-connected plate are completely pushed into the clamping groove until the first to-be-connected plate and the second to-be-connected plate are installed in place, the anti-falling lock tongue is clamped into the through hole of the second to-be-connected plate to prevent the second to-be-connected plate from moving or falling off, the fastening gasket is pressed on the first to-be-connected plate, and the first clamping piece and the second clamping piece can press the first to-be-connected plate and the second to-be-connected plate under the action of resilience force to play a role in fixing; and then, the bolt penetrates through the second clamping piece, the second to-be-connected plate, the first to-be-connected plate and the through hole of the first clamping piece, and is locked into the locking nut, so that the first clamping piece and the second clamping piece clamp the first to-be-connected plate and the second to-be-connected plate under the locking action of the bolt and the locking nut, and the fastening purpose is achieved.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the metal chuck has the advantages of simple structure, convenient manufacture and integrated elastic structure, can replace a common welding nut, and solves the problems that the welding nut is difficult to disassemble and easy to deform and the like.
(2) The metal chuck is formed by punching the die, the die ensures the size and the precision of the product due to the punched product, the product has high qualification rate, high dimensional precision, good consistency and stability and good interchangeability, can meet the assembly and use requirements without further machining, and has light part weight and high nut strength.
(3) The punching structure has the advantages that the production efficiency of the metal chuck is high, the operation is simple, the mechanical production is easy to form, the labor force is liberated, no mechanical waste is generated, the energy consumption is low, the productivity is greatly improved, and the cost is reduced.
(4) When the metal chuck is used for connection, the first clamping piece and the second clamping piece clamp the first to-be-connected plate and the second to-be-connected plate in a clamping and bolt connection mode, the bolt and the locking nut are used for achieving fixing again, and the structure of the first to-be-connected plate and the structure of the second to-be-connected plate cannot be damaged.
(5) The metal chuck has the advantages of simple structure, convenient production and manufacture, adoption of economic and common materials, reduction of development cost, simple processing technology of the product and convenient processing and production.
(6) The first clamping piece and the second clamping piece are elastically connected, so that the metal chuck can be used for connecting and fixing the to-be-connected pieces with different thicknesses, and has a wide application range.
(7) Be provided with the anticreep spring bolt for the card is gone into the second and is treated in the through-hole of connecting plate, prevents that the second from treating the connecting plate and removing or drop, improves the steadiness of connecting.
Drawings
Fig. 1 is a schematic perspective view of a metal chuck for high-strength connection with a bolt in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a metal chuck used for realizing high-strength connection in cooperation with a bolt in embodiment 1 of the present invention when used for plate connection.
The reference numbers in the figures indicate:
1. a first clamping piece; 2. a second clamping piece; 3. connecting sheets; 4. locking the nut; 5. an anti-drop bolt; 6. a fastening washer 7 and a clamping groove; 8. a first board to be connected; 9. a second board to be connected; 10. and (4) bolts.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
Referring to fig. 1 and 2, the embodiment provides a metal chuck for realizing high-strength connection with a bolt, the metal chuck includes a first clamping piece 1, a second clamping piece 2, a connecting piece 3, a lock nut 4 and an anti-falling lock tongue 5, the first clamping piece 1 and the second clamping piece 2 are connected through the connecting piece 3, a clamping groove 7 for clamping a first board to be connected 8 and a second board to be connected 9 is formed between the first clamping piece 1 and the second clamping piece 2, the lock nut 4 is connected above the first clamping piece 1 for locking a bolt 10 passing through the second clamping piece 2, the second board to be connected 9, the first board to be connected 8 and the first clamping piece 1 so as to realize fastening connection between the first board to be connected 8 with a through hole and the second board to be connected 9 with a through hole, the anti-falling lock tongue 5 is connected above the second clamping piece 2, the connecting plate is used for being clamped into the through hole of the second to-be-connected plate 9 to prevent the second to-be-connected plate 9 from moving or falling off.
In this embodiment, the first clamping piece 1, the connecting piece 3, and the second clamping piece 2 are integrally formed elastic pieces. And through holes for the bolts 10 to pass through are formed in the first clamping piece 1, the second clamping piece 2 and the anti-falling bolt 5. The locking nut 4 penetrates through the through hole of the first clamping piece 1 and is connected to the first clamping piece 1 through three riveting points. The anti-falling lock bolt 5 is of an integrally formed structure with the second clamping piece 2, and the anti-falling lock bolt 5 is elastically connected with the second clamping piece 2. The anti-falling bolt 5 is of an annular structure. The lower side of the through hole of the first clamping piece 1 is provided with a fastening washer 6 for further clamping a first to-be-connected plate 8 and a second to-be-connected plate 9, and the fastening washer 6 is provided with a through hole for a bolt 10 to pass through.
In this embodiment, the end of the first holding piece 1 is tilted upwards by 20 to 70 degrees, and the end of the second holding piece 2 is tilted downwards by 20 to 70 degrees. By providing the end tilting structure, a guide structure for facilitating insertion of the first board to be connected 8 and the second board to be connected 9 is formed between the first clamping piece 1 and the second clamping piece 2.
In this embodiment, the lock nut 4 is a flange face lock nut. The first to-be-connected plate 8 is an automobile body injection molding part, and the second to-be-connected plate 9 is an automobile metal plate.
In this embodiment, the metal clip is formed by die stamping of a cold-rolled spring steel material.
In this embodiment, after the metal clip is formed and connected to the lock nut, the metal clip is subjected to heat treatment to increase the strength and rigidity of the component, and finally, the metal clip is subjected to surface treatment by using dacromet to ensure the corrosion resistance and the aesthetic property.
The metal chuck that is used for realizing high strength with the bolt cooperation and is connected that this embodiment provided mainly adopts the mounting means of centre gripping and bolt locking and utilizes the characteristic of metal resilience to reach the purpose of fastening installed part. When the clamping device is used, the first to-be-connected plate 8 and the second to-be-connected plate 9 are completely pushed into the clamping groove 7 until the first to-be-connected plate and the second to-be-connected plate are installed in place, the anti-falling lock tongue 5 is clamped into a through hole of the second to-be-connected plate 9 at the moment to prevent the second to-be-connected plate 9 from moving or falling off, the fastening gasket 6 is pressed on the first to-be-connected plate 8, and the first clamping piece 1 and the second clamping piece 2 can press the first to-be-connected plate 8 and the second to-be-connected plate 9 under the action of resilience force to play a fixing role; and then the bolt 10 passes through the through holes of the second clamping piece 2, the second to-be-connected plate 9, the first to-be-connected plate 8 and the first clamping piece 1 and is locked into the locking nut 4, so that the first clamping piece 1 and the second clamping piece 2 clamp the first to-be-connected plate 8 and the second to-be-connected plate 9 under the locking action of the bolt 10 and the locking nut 4, and the fastening purpose is achieved.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A metal chuck for realizing high-strength connection by matching with a bolt is characterized by comprising a first clamping piece (1), a second clamping piece (2), a connecting piece (3), a locking nut (4) and an anti-falling lock tongue (5),
the first clamping sheet (1) and the second clamping sheet (2) are connected through a connecting sheet (3), a clamping groove (7) for clamping a first board to be connected (8) and a second board to be connected (9) is formed between the first clamping sheet (1) and the second clamping sheet (2),
the locking nut (4) is connected above the first clamping piece (1) and used for locking a bolt (10) which passes through the second clamping piece (2), the second to-be-connected plate (9), the first to-be-connected plate (8) and the first clamping piece (1) so as to realize the fastening connection between the first to-be-connected plate (8) with a through hole and the second to-be-connected plate (9) with a through hole,
the anti-falling bolt (5) is connected above the second clamping piece (2) and is used for being clamped into the through hole of the second to-be-connected plate (9) to prevent the second to-be-connected plate (9) from moving or falling off.
2. The metal chuck for achieving high-strength connection with the bolt in accordance with claim 1, wherein the first clamping piece (1), the connecting piece (3) and the second clamping piece (2) are integrally formed elastic pieces.
3. The metal chuck for realizing high-strength connection with the bolt in a matched manner according to claim 1, wherein the first clamping piece (1), the second clamping piece (2) and the anti-falling bolt (5) are respectively provided with a through hole for the bolt (10) to pass through.
4. A metal chuck for use with a bolt to achieve a high strength connection according to claim 1, wherein the lock nut (4) is passed through the through hole of the first holding piece (1) and is connected to the first holding piece (1) by three clinch points.
5. The metal chuck for realizing high-strength connection with the bolt in cooperation with the claim 1, wherein the anti-dropping latch (5) is a structure integrally formed with the second clamping piece (2), and the anti-dropping latch (5) is elastically connected with the second clamping piece (2).
6. A metal chuck for use with a bolt to achieve a high strength connection according to claim 1, wherein the retaining bolt (5) is of annular configuration.
7. The metal chuck for achieving high-strength connection with the cooperation of bolts according to claim 1, characterized in that the lower side of the through hole of the first clamping piece (1) is provided with a fastening washer (6) for further clamping the first plate to be connected (8) and the second plate to be connected (9), and the fastening washer (6) is provided with a through hole for the bolt (10) to pass through.
8. The metal chuck for achieving high-strength connection with the bolt according to claim 1, wherein the end of the first clamping piece (1) is tilted upwards by 20-70 degrees, and the end of the second clamping piece (2) is tilted downwards by 20-70 degrees.
9. A metal chuck for use with a bolt to achieve a high strength connection according to claim 1, wherein the lock nut (4) is a flange face lock nut.
10. A metal clip for making a high strength connection with a bolt according to claim 1, wherein the first plate (8) to be connected is a plastic plate and the second plate (9) to be connected is a metal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628447.XA CN114396423A (en) | 2021-12-28 | 2021-12-28 | Metal chuck for realizing high-strength connection with bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628447.XA CN114396423A (en) | 2021-12-28 | 2021-12-28 | Metal chuck for realizing high-strength connection with bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114396423A true CN114396423A (en) | 2022-04-26 |
Family
ID=81228373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111628447.XA Pending CN114396423A (en) | 2021-12-28 | 2021-12-28 | Metal chuck for realizing high-strength connection with bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114396423A (en) |
-
2021
- 2021-12-28 CN CN202111628447.XA patent/CN114396423A/en active Pending
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