CN116753229A - A high strength nut presss from both sides for using with bolt cooperation - Google Patents

A high strength nut presss from both sides for using with bolt cooperation Download PDF

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Publication number
CN116753229A
CN116753229A CN202310945407.0A CN202310945407A CN116753229A CN 116753229 A CN116753229 A CN 116753229A CN 202310945407 A CN202310945407 A CN 202310945407A CN 116753229 A CN116753229 A CN 116753229A
Authority
CN
China
Prior art keywords
clamping piece
piece
bolt
nut
clamping
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
Application number
CN202310945407.0A
Other languages
Chinese (zh)
Inventor
周曰球
周喆凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Qiuming Auto Parts Co ltd
Shanghai Qiuming Standard Parts Co ltd
Original Assignee
Shanghai Qiuming Auto Parts Co ltd
Shanghai Qiuming Standard Parts Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Qiuming Auto Parts Co ltd, Shanghai Qiuming Standard Parts Co ltd filed Critical Shanghai Qiuming Auto Parts Co ltd
Priority to CN202310945407.0A priority Critical patent/CN116753229A/en
Publication of CN116753229A publication Critical patent/CN116753229A/en
Pending legal-status Critical Current

Links

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
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/24—Making other particular articles nuts or like thread-engaging members
    • 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
    • F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
    • F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
    • F16B37/068—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the support, e.g. the sheet or plate
    • 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
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • 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
    • F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
    • F16B39/26—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object with spring washers fastened to the nut or bolt-head

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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 the technical field of automobile accessories, in particular to a high-strength nut clamp used for being matched with a bolt, which is connected with an automobile metal plate and an automobile body injection molding piece when in use and comprises a first clamping piece, a second clamping piece, a connecting piece, a locking nut and a lock tongue; the first clamping piece is arranged below the second clamping piece, and the end part of the first clamping piece is connected with the second clamping piece through the connecting piece to form a clamping groove for accommodating the automobile metal plate and the automobile body injection molding piece; the locking nut is movably connected with the second clamping piece and is arranged at one side far away from the first clamping piece; one end part of the lock tongue is arranged on the upper surface of the first clamping piece, and the other end part of the lock tongue is suspended and faces to one side close to the second clamping piece; the bolt sequentially extends out of the first clamping piece, the lock tongue, the automobile metal plate, the automobile body injection molding piece and the second clamping piece and then is fixed with the lock nut. The nut clamp achieves the purpose of fastening the installed piece through the characteristics of over clamping, bolt locking and metal rebound.

Description

A high strength nut presss from both sides for using with bolt cooperation
Technical Field
The invention relates to the technical field of automobile accessories, in particular to a high-strength nut clamp used with bolts.
Background
At present, most of deep drawing nuts of existing adapting automobile body welding bolts are of a single-tooth structure, and automobile body parts are locked and fixed through a torque gun. Under most conditions, the structural nut is only suitable for low-torque fastening, has low strength and is easy to loosen and fall off under the condition of long-term vibration of a vehicle body. The fastening strength is generally improved by increasing the torque, but the method is easy to cause thread sliding and failure, and the nut cannot be directly withdrawn after the sliding, so that the loading rhythm is influenced.
It is therefore important to provide a high strength bolt clip that can connect automotive sheet metal to body injection molding with high strength.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a high strength nut clip for use with a bolt. The nut clamp mainly adopts the mounting modes of over-clamping and bolt locking and the characteristic of metal rebound to achieve the purpose of fastening the mounted parts (such as automobile metal plates and automobile body injection molding parts).
The aim of the invention can be achieved by the following technical scheme:
the invention provides a high-strength nut clamp used for being matched with a bolt, which is connected with an automobile metal plate and an automobile body injection molding piece when in use, and comprises a first clamping piece, a second clamping piece, a connecting piece, a locking nut and a lock tongue;
the first clamping piece is arranged below the second clamping piece, and the end part of the first clamping piece is connected with the second clamping piece through the connecting piece to form a clamping groove for accommodating the automobile metal plate and the automobile body injection molding piece; the lock nut is movably connected with the second clamping piece and is arranged at one side far away from the first clamping piece; one end part of the lock tongue is arranged on the upper surface of the first clamping piece, and the other end part of the lock tongue is suspended and faces to one side close to the second clamping piece;
the bolt sequentially extends out of the first clamping piece, the lock tongue, the automobile metal plate, the automobile body injection molding piece and the second clamping piece and then is fixed with the lock nut.
In one embodiment of the invention, the end of the first clamping piece remote from the connecting piece is inclined towards the side remote from the second clamping piece.
In one embodiment of the invention, the end of the second clamping piece remote from the connecting piece is inclined towards the side remote from the first clamping piece.
In one embodiment of the invention, the first clamping piece is provided with a first hole allowing the bolt to extend, the second clamping piece is provided with a second hole allowing the bolt to extend, and the lock tongue is provided with a third hole allowing the bolt to extend.
In one embodiment of the present invention, the central axes of the first hole, the second hole, and the third hole are the same.
In one embodiment of the invention, the lock nut is a flange face lock nut.
In one embodiment of the invention, the flange face lock nut comprises an outer hexagon with a hollow inside and a flange body, wherein the outer hexagon is arranged on the upper surface of the flange body, and the outer diameter of the outer hexagon is smaller than the outer diameter of the flange body; the outer hexagon extends from one side of the second hole, which is close to the first clamping piece, to one side, which is far away from the first clamping piece.
In one embodiment of the invention, the upper surface of the second clamping piece is provided with a press riveting point for fixing the second clamping piece and the outer hexagon.
In one embodiment of the present invention, the clinching points are symmetrically disposed along the central axis of the second hole.
In one embodiment of the invention, three clinching points are provided.
Compared with the prior art, the invention has the following beneficial effects:
(1) The nut clamp is obtained by stamping a die, so that the parts are light in weight and high in strength;
(2) The nut clamp is a stamping product, the die can ensure the size and the precision of the product, the product percent of pass is high, the size precision is high, the consistency and the stability are good, the interchangeability is good, and the assembly and use requirements can be met without further mechanical processing;
(3) The nut clamp disclosed by the invention has the advantages that the production efficiency is high due to stamping production, the operation is simple, the mechanical production is easy to form, the labor force is liberated, compared with the traditional nut, no mechanical waste is generated, the energy consumption is low, the productivity is greatly improved, and the cost is reduced;
(4) The nut clamp disclosed by the invention is simple in structure and high in overall strength;
(5) The external dimension of the nut clamp can be adjusted according to the actual environment, so that the applicability and the universality of the nut clamp are improved.
(6) Compared with the prior locknut, the nut clamp has the advantages of light weight, good rigidity and outstanding consistency, and can be widely applied to the automobile industry.
Drawings
FIG. 1 is a schematic view of a high strength nut clip for use with bolts according to the present invention;
FIG. 2 is a schematic view of an assembled high strength nut clip for use with bolts in accordance with the present invention;
reference numerals in the drawings: 1. a first clamping piece; 2. a second clamping piece; 3. a connecting sheet; 4. a flange face lock nut; 5. pressing riveting points; 6. a bolt; 7. a clamping groove; 8. a body injection molding; 9. an automotive metal plate; 10. and (5) a bolt.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Example 1
The embodiment provides a high-strength nut clamp used for being matched with a bolt, which is connected with an automobile metal plate 9 and an automobile body injection molding 8 when in use, as shown in figures 1-2, and comprises a first clamping piece 1, a second clamping piece 2, a connecting piece 3, a locking nut and a lock tongue 6; the first clamping piece 1 is arranged below the second clamping piece 2, and the end part of the first clamping piece is connected with the second clamping piece 2 through the connecting piece 3 to form a clamping groove 7 for accommodating an automobile metal plate 9 and an automobile body injection molding piece 8; the lock nut is movably connected with the second clamping piece 2 and is arranged at one side far away from the first clamping piece 1; one end part of the lock tongue 6 is arranged on the upper surface of the first clamping piece 1, and the other end part is suspended and faces to one side close to the second clamping piece 2; the bolt 10 sequentially extends out of the first clamping piece 1, the lock tongue 6, the automobile metal plate 9, the automobile body injection molding 8 and the second clamping piece 2 and then is fixed with the lock nut.
Further, the first clamping piece 1, the connecting piece 3 and the second clamping piece 2 are integrally formed; the end part of the first clamping piece 1, which is far away from the connecting piece 3, is inclined towards the side, which is far away from the second clamping piece 2, and the end part of the second clamping piece 2, which is far away from the connecting piece 3, is inclined towards the side, which is far away from the first clamping piece 1; for facilitating the mutual approaching of the first clamping piece 1 and the second clamping piece 2;
further, the first clamping piece 1 is provided with a first hole allowing the bolt 10 to extend, the second clamping piece 2 is provided with a second hole allowing the bolt 10 to extend, and the lock tongue 6 is provided with a third hole allowing the bolt 10 to extend; when the device is used, the central axes of the first hole, the second hole and the third hole are the same;
further, the locking nut is a flange surface locking nut 4, the flange surface locking nut 4 comprises an outer hexagon with a hollow inside and a flange body, the outer hexagon is arranged on the upper surface of the flange body, and the outer diameter of the outer hexagon is smaller than that of the flange body; the outer hexagon extends from one side of the second hole, which is close to the first clamping piece 1, to one side, which is far away from the first clamping piece 1; the upper surface of the second clamping piece 2 is provided with press riveting points 5 for fixing the second clamping piece 2 and the outer hexagon, namely, the second clamping piece 2 is in press riveting connection with the outer hexagon, and the press riveting points 5 are symmetrically provided with a plurality of press riveting points along the central axis of the second hole; preferably, the clinching points 5 are provided with three.
The first clamping piece 1, the second clamping piece 2 and the connecting piece 3 of the connecting chuck which are integrally formed by the high-strength nut clamp used together with the bolt 10 in the embodiment are formed again after the flange face locking nut 4 is riveted by pressure, namely after the cold-rolled spring steel material for the connecting joint is formed by stamping through a die, the flange face locking nut 4 is riveted by pressure and then formed again, the parts are subjected to heat treatment to increase the strength and the rigidity of the parts, and finally the Dacromet surface treatment is performed to ensure the corrosion resistance and the attractive appearance.
When in use, the automobile metal plate 9 and the automobile body injection molding 8 are correspondingly arranged in the clamping groove 7 of the nut clamp of the embodiment until the automobile metal plate 9 and the round hole on the automobile body injection molding 8 are installed in place; then the lock tongue 6 is clamped into the round hole of the automobile metal plate 9, the automobile metal plate 9 is placed to move or fall off, and at the moment, the first clamping piece 1 can press the automobile metal plate 9 under the action of resilience force, so that the fixing function is further realized; then, the bolt 10 is locked into the flange face locking nut 4 after sequentially passing through the first hole, the third hole, the hole of the automobile metal plate 9, the hole of the automobile body injection molding 8 and the second hole from one side of the first clamping piece 1 far away from the second clamping piece 2, and the automobile metal plate 9 and the automobile body injection molding 8 are clamped by the first clamping piece 1 and the second clamping piece 2 under the locking action of the bolt 10 and the flange face locking nut 4, so that the purpose of fastening is achieved.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments 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-described embodiments, and those skilled in the art, based on the explanation of the present invention, should make improvements and modifications without departing from the scope of the present invention.

Claims (10)

1. The high-strength nut clamp used for being matched with a bolt is connected with an automobile metal plate (9) and an automobile body injection molding piece (8) during use, and is characterized by comprising a first clamping piece (1), a second clamping piece (2), a connecting piece (3), a locking nut and a lock tongue (6);
the first clamping piece (1) is arranged below the second clamping piece (2), and the end part of the first clamping piece is connected with the second clamping piece (2) through the connecting piece (3) to form a clamping groove (7) for accommodating the automobile metal plate (9) and the automobile body injection molding piece (8); the lock nut is movably connected with the second clamping piece (2) and is arranged at one side far away from the first clamping piece (1); one end part of the lock tongue (6) is arranged on the upper surface of the first clamping piece (1), and the other end part of the lock tongue is suspended and faces to one side close to the second clamping piece (2);
the bolts (10) sequentially extend out of the first clamping piece (1), the lock tongue (6), the automobile metal plate (9), the automobile body injection molding piece (8) and the second clamping piece (2) and then are fixed with the lock nuts.
2. A high strength nut clip for use with bolts according to claim 1, characterized in that the end of the first clamping piece (1) remote from the connecting piece (3) is inclined towards the side remote from the second clamping piece (2).
3. A high strength nut clip for use with bolts according to claim 1, characterized in that the end of the second clamping piece (2) remote from the connecting piece (3) is inclined towards the side remote from the first clamping piece (1).
4. A high strength nut clip for use with a bolt according to claim 1, characterized in that the first clamping piece (1) is provided with a first hole allowing the bolt (10) to protrude, the second clamping piece (2) is provided with a second hole allowing the bolt (10) to protrude, and the bolt (6) is provided with a third hole allowing the bolt (10) to protrude.
5. The high strength nut runner for use with a bolt as recited in claim 4, wherein the central axes of the first hole, the second hole, and the third hole are the same.
6. A high strength nut clip for use with bolts according to claim 5, wherein said lock nut is a flange face lock nut (4).
7. The high-strength nut clip for use with a bolt according to claim 6, wherein said flange face lock nut (4) comprises an outer hexagonal body having a hollow interior and a flange body, said outer hexagonal body being provided on an upper surface of the flange body, an outer diameter of said outer hexagonal body being smaller than an outer diameter of the flange body; the outer hexagon extends from one side of the second hole, which is close to the first clamping piece (1), to one side, which is far away from the first clamping piece (1).
8. The high-strength nut clip for use with a bolt according to claim 7, wherein the second clamping piece (2) has a press-riveting point (5) on an upper surface thereof for fixing the second clamping piece (2) to an outer hexagon.
9. A high strength nut clip for use with a bolt as claimed in claim 8, wherein said clinching points (5) are symmetrically disposed along the central axis of the second bore.
10. A high strength nut clip for use with bolts according to claim 9, characterized in that said clinching points (5) are provided with three.
CN202310945407.0A 2023-07-31 2023-07-31 A high strength nut presss from both sides for using with bolt cooperation Pending CN116753229A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310945407.0A CN116753229A (en) 2023-07-31 2023-07-31 A high strength nut presss from both sides for using with bolt cooperation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310945407.0A CN116753229A (en) 2023-07-31 2023-07-31 A high strength nut presss from both sides for using with bolt cooperation

Publications (1)

Publication Number Publication Date
CN116753229A true CN116753229A (en) 2023-09-15

Family

ID=87947996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310945407.0A Pending CN116753229A (en) 2023-07-31 2023-07-31 A high strength nut presss from both sides for using with bolt cooperation

Country Status (1)

Country Link
CN (1) CN116753229A (en)

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