CN218522921U

CN218522921U - Screw for automobile

Info

Publication number: CN218522921U
Application number: CN202222385644.XU
Authority: CN
Inventors: 邓顺宝; 罗超成
Original assignee: Taicang Hongtian Fastener Manufacturing Co ltd
Current assignee: Taicang Hongtian Fastener Manufacturing Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2023-02-24
Anticipated expiration: 2032-09-03

Abstract

The utility model relates to a screw for car relates to fastener technical field, needs the appurtenance such as corresponding instrument or rigidity iron wire that match with the instrument groove when solving the screw rotating, installs this kind of screw on the car, if the condition that the driver need inspect and maintain appears on half way, the knob nut degree of difficulty is great, has increased the degree of difficulty problem of emergency maintenance, and it includes nut and screw rod, the screw rod sets up in the nut bottom, be provided with on the nut and twist the head soon, it is provided with a plurality of poles of twisting to revolve the extension of twisting the head. This application has easy to assemble, dismantles the effect of screw.

Description

Screw for automobile

Technical Field

The application relates to the technical field of fasteners, in particular to a screw for an automobile.

Background

Screws are tools used to fasten machine parts.

The prior related art is CN209687886U, which provides a screw convenient to disassemble, including a nut and a screw rod integrated with the nut, wherein the upper end of the nut is provided with a tool groove, and the periphery of the nut is provided with a plurality of auxiliary holes communicated with the tool groove; when needs loading and unloading screw, the corresponding instrument of accessible rotates the instrument groove, realizes the loading and unloading of screw, when lacking corresponding instrument, can use iron wire etc. to replace, only need pass the auxiliary hole promptly and carry out the atress, and then the rotating screw.

However, when the screw is screwed, corresponding tools matched with the tool groove or auxiliary tools such as rigid iron wires are needed, and when the screw is installed on an automobile, if the condition that a driver needs to check and maintain a half way road occurs, the difficulty of turning the knob and the nut is high, and the difficulty of emergency maintenance is increased.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the rotation of the screw and improve the practicability of the screw, the application provides the screw for the automobile.

The application provides a screw for car adopts following technical scheme:

the screw for the automobile comprises a screw cap and a screw rod, wherein the screw rod is arranged at the bottom of the screw cap, a screwing head is arranged on the screw cap, and a plurality of screwing rods are arranged outside the screwing head in an outward extending mode.

By adopting the technical scheme, the screw rod is placed at the corresponding screw hole opening, an operator can hold the screwing rod to rotate the screw cap, the automobile screw is completely screwed into the screw hole, and the screw can be conveniently installed and disassembled.

Optionally, the surfaces of a plurality of said screw bars are formed with guide surfaces.

By adopting the technical scheme, the screw rods are placed at the corresponding screw hole openings, an operator can hold the screwing rod to rotate the screw cap, the automobile screw is completely screwed into the screw hole, and the screw can be conveniently installed and disassembled; the guide surface can increase the contact area between the screwing rod and the finger surface of a worker and reduce the pressure of the screwing rod on the finger of the worker.

Optionally, a layer of spiral gasket is sleeved on the screw rod, and the spiral gasket is made of an elastic material.

By adopting the technical scheme, the screw rods are placed at the corresponding screw hole openings, an operator can hold the screwing rod to rotate the screw cap, the automobile screw is completely screwed into the screw hole, and the screw can be conveniently installed and disassembled; when the screw is completely screwed into the screw hole, the spiral gasket is deformed, static friction between the screw cap and the spiral gasket is increased, static friction between the spiral gasket and the shell is increased, and the spiral gasket is difficult to rotate due to deformation, so that the screw is more stably inserted into the screw hole.

Optionally, the screw rod is sleeved with a grading ring, and the grading ring is located between the spiral gasket and the screw cap.

By adopting the technical scheme, the screw rods are placed at the corresponding screw hole openings, an operator can hold the screwing rod to rotate the screw cap, the automobile screw is completely screwed into the screw hole, and the screw can be conveniently installed and disassembled; when the screw is completely screwed into the screw hole, the spiral gasket is deformed, the static friction force between the screw cap and the spiral gasket is increased, the static friction between the spiral gasket and the shell is increased, and meanwhile, the spiral gasket is difficult to rotate due to deformation, so that the screw is more stably inserted into the screw hole; the partial pressure ring can reduce the pressure of the spiral gasket on the screw cap.

Optionally, the screw rod is sleeved with a protection plate, and the protection plate is sleeved on one side of the spiral gasket far away from the screw cap.

By adopting the technical scheme, the screw rods are placed at the corresponding screw hole openings, an operator can hold the screwing rod to rotate the screw cap, the automobile screw is completely screwed into the screw hole, and the screw can be conveniently installed and disassembled; when the screw is completely screwed into the screw hole, the spiral gasket is deformed, the static friction force between the screw cap and the spiral gasket is increased, the static friction between the spiral gasket and the shell is increased, and meanwhile, the spiral gasket is difficult to rotate due to deformation, so that the screw is more stably inserted into the screw hole; the partial pressure ring can reduce the pressure of spiral gasket to the nut, and the dispersible spiral gasket of screening glass is to the surperficial pressure of screw connection spare for the car to the surface of protection connecting piece can also increase the frictional force between spiral gasket and the connecting piece.

Optionally, the screw is divided into a threaded portion and a non-threaded portion.

By adopting the technical scheme, the screw rods are placed at the corresponding screw hole openings, an operator can hold the screwing rod to rotate the screw cap, the automobile screw is completely screwed into the screw hole, and the screw can be conveniently installed and disassembled; the non-threaded part can improve the mechanical strength of the bolt and can bear larger torque.

Optionally, the top wall of the screwing head is provided with a screwing groove.

By adopting the technical scheme, the screw rods are placed at the corresponding screw hole openings, an operator can hold the screwing rod to rotate the screw cap, the automobile screw is completely screwed into the screw hole, and the screw can be conveniently installed and disassembled; in the case of an auxiliary tool such as a screwdriver, the auxiliary tool is inserted into the screwing recess, and the auxiliary tool is screwed so that the screw is completely screwed into the screw hole.

Optionally, a guide head is arranged at one end, far away from the nut, of the screw, and the surface of the guide head is smoothly arranged.

By adopting the technical scheme, the screw rods are placed at the corresponding screw hole openings, an operator can hold the screwing rod to rotate the screw cap, the automobile screw is completely screwed into the screw hole, and the screw can be conveniently installed and disassembled; the surface of the guide head is smooth, so that when the screw rod is inserted into the screw hole, the inner side wall of the screw hole cannot be damaged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the screw can be conveniently installed and disassembled;

2. the pressure dividing ring and the protective sheet can protect the connecting pieces on the two sides of the spiral gasket;

3. when the screw is completely screwed into the screw hole, the spiral gasket is deformed, static friction between the screw cap and the spiral gasket is increased, static friction between the spiral gasket and the shell is increased, and meanwhile, the spiral gasket is difficult to rotate due to deformation, so that the screw is more stably inserted into the screw hole.

Drawings

Fig. 1 is a schematic structural diagram of an automotive screw according to an embodiment of the present application.

Description of reference numerals: 1. a nut; 2. a screw; 21. a threaded portion; 22. a non-threaded portion; 3. screwing the head; 31. screwing the groove; 4. screwing the rod; 41. a guide surface; 5. a spiral shim; 51. a voltage division ring; 52. a protective sheet; 6. a guide head.

Detailed Description

The present application is described in further detail below with reference to fig. 1.

The embodiment of the application discloses screw for car. Referring to fig. 1, the screw for the automobile comprises a screw cap 1 and a screw rod 2, wherein the screw rod 2 is integrally formed at the center of the bottom wall of the screw cap 1, and the screw rod 2 is perpendicular to the bottom wall of the screw cap 1; the screw cap 1 is provided with a screwing head 3 which is integrally formed by protruding upwards, the screwing head 3 is outwards and integrally extended to form two screwing rods 4, and each screwing rod 4 is provided with two guide surfaces 41; holding the screwing rod 4, pressing the finger on the guide surface 41, and screwing the automobile screw into the corresponding screw hole; the screw can be conveniently screwed and disassembled by screwing the rod 4, the practicability of the screw for the automobile is improved, the contact surface between the screwing rod 4 and the finger can be increased by the guide surface 41, and the pressure of the screwing rod 4 on the finger is reduced.

Referring to fig. 1, the top of the screw head 3 is provided with a screw recess 31, in this embodiment, the screw recess 31 is a cross-shaped recess; when there is an auxiliary tool such as a phillips screwdriver, the auxiliary tool is inserted into the screwing recess 31, and the auxiliary tool is rotated to screw the automotive screw completely into the screw hole.

Referring to fig. 1, the screw 2 is divided into a threaded portion 21 and an unthreaded portion 22, the threaded portion 21 being a portion of the screw 2 away from the nut 1, and the unthreaded portion 22 being a portion of the screw 2 close to the nut 1; the surface of the non-thread part 22 is smooth and flat, which can improve the mechanical strength of the screw for the automobile and enable the screw to bear larger torque,

referring to fig. 1, a screw rod 2 is sleeved with a spiral gasket 5, and the spiral gasket 5 is made of an elastic material, in this embodiment, spring steel; one end of the screw rod 2, which is far away from the screw cap 1, is inserted into a corresponding screw hole, and the screw cap 1 is inserted into the screw hole in a rotating mode under the guidance of the screw thread by turning a knob screw; when the spiral gasket 5 begins to generate elastic deformation, the screw is continuously screwed, the spiral gasket 5 generates deformation, the static friction force between the screw cap 1 and the spiral gasket 5 is increased, the static friction between the spiral gasket 5 and the shell is increased, and meanwhile, the spiral gasket 5 is difficult to rotate due to deformation, so that the screw rod 2 is more stably inserted into the screw hole, and the possibility of loosening the screw is reduced; the screw washer 5 generates elastic deformation, so that the reusability of the screw for the automobile is improved.

Referring to fig. 1, a voltage-dividing ring 51 and a protecting sheet 52 are sleeved on a screw rod 2, the voltage-dividing ring 51 and the protecting sheet 52 are both made of rubber, the voltage-dividing ring 51 is located between a screw cap 1 and a spiral gasket 5, the protecting sheet 52 is located on one side, away from the screw cap 1, of the spiral gasket 5, and the outer diameter of the protecting sheet 52 is larger than that of the spiral gasket 5; the pressure-dividing ring 51 can reduce the pressure applied by the screw washer 5 to the nut 1, and the protective sheet 52 can protect the surface of the automobile screw-counterpart.

Referring to fig. 1, a guide head 6 is integrally formed at one end of a screw rod 2 positioned at a threaded part 21, the guide head 6 is in a shape of a semi-sphere, and the surface of the guide head 6 is smoothly arranged; the guide head 6 can guide the screw rod 2 to be inserted into the corresponding screw hole, and the surface of the guide head 6 is smooth and is difficult to scratch the inner side wall of the screw hole.

The implementation principle of this application embodiment screw for car does: the partial pressure ring 51, the spiral gasket 5 and the protection sheet 52 are sequentially sleeved on the screw rod 2, when no auxiliary tool matched with the screwing groove 31 exists, a finger presses the guide surface 41 on the screwing rod 4, the automobile screw is screwed into the screw hole, when the auxiliary tool matched with the screwing groove 31 exists, the end part of the auxiliary tool is inserted into the screwing groove 31, the automobile screw is screwed into the screw hole until the screw rod 2 completely enters the screw hole, the spiral gasket 5 is compressed and deformed, the static friction force between the screw cap 1 and the spiral gasket 5 is increased, the screw cap 1 is difficult to rotate, and the automobile screw is stably fastened in the screw hole.

By utilizing the screwing rod 4, the screw can be conveniently installed and disassembled, and the practicability of the screw is improved.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a screw for car, includes nut (1) and screw rod (2), screw rod (2) set up in nut (1) bottom, its characterized in that: the nut (1) is provided with a screwing head (3), and the screwing head (3) extends outwards to be provided with a plurality of screwing rods (4).

2. The screw for automobile according to claim 1, characterized in that: the surfaces of several screw rods (4) are formed with guide surfaces (41).

3. The screw for automobile according to claim 1, characterized in that: the screw rod (2) is sleeved with a layer of spiral gasket (5), and the spiral gasket (5) is made of an elastic material.

4. A screw for an automobile according to claim 3, wherein: the cover is equipped with dividing ring (51) on screw rod (2), dividing ring (51) are located between spiral gasket (5) and nut (1).

5. The screw for automobile according to claim 4, characterized in that: the screw rod (2) is sleeved with a protection plate (52), and the protection plate (52) is sleeved on one side, away from the screw cap (1), of the spiral gasket (5).

6. The screw for automobile according to claim 1, characterized in that: the screw (2) is divided into a threaded part (21) and a non-threaded part (22).

7. The screw for automobile according to claim 1, characterized in that: the top wall of the screwing head (3) is provided with a screwing groove (31).

8. The screw for automobile according to claim 1, characterized in that: one end of the screw rod (2) far away from the screw cap (1) is provided with a guide head (6), and the surface of the guide head (6) is smoothly arranged.