CN210565629U - Electric motor car screw that can anti-skidding tooth - Google Patents

Abstract

The utility model discloses an electric motor car screw that can prevent skidding tooth, including the spliced pole, the one end of spliced pole is connected with screw thread portion, and the other end fixed mounting of spliced pole has the nut, the hexagonal notch has been seted up to one side surface of nut, the end position of screw thread portion is equipped with the chamfer, the inboard position of nut is connected with locking device that moves, locking device that moves comprises rubber packing ring, linking lug and linking recess, be connected with length adjustment mechanism between spliced pole and the screw thread portion, length adjustment mechanism comprises external screw shaft, internal thread groove, locating piece and constant head tank, rubber packing ring sets up in the inboard of nut, link up lug integrated into one piece in the surface of rubber packing ring, link up the surface that the nut was seted up to the recess. A can anti-skidding electric motor car screw of tooth, can prevent to appear sliding tooth behind the screw fixation, and can make things convenient for adjusting screw's length.

Description

Electric motor car screw that can anti-skidding tooth

Technical Field

The utility model relates to a screw field, in particular to electric motor car screw that can anti-skidding tooth.

Background

The screw is a tool for fastening machine parts of the object step by utilizing the physics and mathematical principles of the inclined plane circular rotation and the friction force of the object, the screw is a general expression of the fastener, and the screw is an indispensable industrial necessity in daily life, such as a tiny screw used by cameras, glasses, clocks, electronics and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; the screw is used by large and small screws in combination, has an important task in industry, and has an important function all the time as long as the industry exists on the earth, the screw is a common invention in production and life of people for thousands of years, the screw is universally existed in various lives, and the electric vehicle needs to be fixed by the screw during assembly; when the existing electric vehicle screw is used, the screw is easy to slip after being fixed, and the length of the screw is inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a can anti-skidding electric motor car screw of tooth can effectively solve the problem that appears the length of smooth tooth and inconvenient adjusting screw easily after the screw fixation among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an electric motor car screw that can anti-skidding tooth, includes the spliced pole, the one end of spliced pole is connected with screw thread portion, and the other end fixed mounting of spliced pole has the nut, the hexagonal notch has been seted up to one side surface of nut, the end position of screw thread portion is equipped with the chamfer, the inboard position of nut is connected with the locking device that moves, the locking device that moves comprises rubber packing ring, linking lug and linking recess, be connected with length adjustment mechanism between spliced pole and the screw thread portion, length adjustment mechanism comprises external screw shaft, internal thread groove, locating piece and constant head tank.

Preferably, the rubber packing ring sets up in the inboard of nut, it in the surface of rubber packing ring to link up lug integrated into one piece, it sets up in the surface of nut to link up the recess.

Preferably, the rubber gasket is clamped and connected with the screw cap through the engagement protrusion clamped and connected with the engagement groove.

Preferably, external screw thread axle fixed mounting is in the end position of screw portion, and the external screw thread axle extends to the inside of spliced pole, the inside of spliced pole is seted up to the internal thread groove, locating piece fixed mounting is in the end position of screw portion, the end position of spliced pole is seted up to the constant head tank.

Preferably, the thread part is movably connected with the connecting column through mutual meshing of an external thread shaft and an internal thread groove, and the outer surface of the positioning block is tangent to the inner surface of the positioning groove.

Compared with the prior art, the utility model discloses following beneficial effect has: this electric motor car screw that can anti-skidding tooth through the locking device that moves that sets up, can increase the joint strength after the screw fixation to can prevent to appear sliding tooth behind the screw fixation, through the length adjustment mechanism who sets up, can make things convenient for the length of adjusting screw, thereby can make things convenient for the use of screw.

Drawings

Fig. 1 is a schematic view of an overall structure of an electric vehicle screw capable of preventing teeth from slipping;

FIG. 2 is a schematic structural view of a loosening prevention device for an electric vehicle screw capable of preventing teeth from slipping according to the present invention;

fig. 3 is the utility model discloses a length adjustment mechanism's of electric motor car screw that can prevent slipping tooth structural sketch map.

In the figure: 1. connecting columns; 2. a threaded portion; 3. a nut; 4. a hexagonal notch; 5. chamfering; 6. an anti-loosening device; 601. a rubber gasket; 602. engaging the bumps; 603. a joining groove; 7. a length adjustment mechanism; 701. an externally threaded shaft; 702. an internal thread groove; 703. positioning blocks; 704. and (6) positioning a groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an electric vehicle screw capable of preventing teeth from slipping comprises a connecting column 1, one end of the connecting column 1 is connected with a threaded portion 2, the other end of the connecting column 1 is fixedly provided with a nut 3, the outer surface of one side of the nut 3 is provided with a hexagonal notch 4, the end position of the threaded portion 2 is provided with a chamfer 5, the inner side position of the nut 3 is connected with an anti-loosening device 6, the anti-loosening device 6 consists of a rubber gasket 601, an engagement bump 602 and an engagement groove 603, a length adjusting mechanism 7 is connected between the connecting column 1 and the threaded portion 2, and the length adjusting mechanism 7 consists of an external threaded shaft 701, an internal threaded groove 702, a;

the rubber gasket 601 is arranged on the inner side of the nut 3, the engagement lug 602 is integrally formed on the outer surface of the rubber gasket 601, and the engagement groove 603 is formed in the outer surface of the nut 3; the rubber gasket 601 is clamped and connected with the screw cap 3 through the engagement lug 602 clamped and connected in the engagement groove 603; the external thread shaft 701 is fixedly arranged at the end position of the thread part 2, the external thread shaft 701 extends into the connecting column 1, the internal thread groove 702 is formed in the connecting column 1, the positioning block 703 is fixedly arranged at the end position of the thread part 2, and the positioning groove 704 is formed in the end position of the connecting column 1; the thread part 2 is movably connected with the connecting column 1 through the mutual meshing of the external thread shaft 701 and the internal thread groove 702, and the outer surface of the positioning block 703 is tangent to the inner surface of the positioning groove 704.

It should be noted that the utility model is an electric vehicle screw capable of preventing slipping teeth, when in use, the connecting column 1, the thread part 2 and the nut 3 form the main body part of the whole electric vehicle screw capable of preventing the slip threads, the hexagonal notch 4 is used for inserting a screwdriver, for rotating the screw, the rubber washer 601 is clamped with the nut 3 by the engaging protrusion 602 being clamped into the engaging groove 603, the rubber washer 601 can increase the friction force of the contact surface, can increase the connection strength after the screw is fixed, thereby preventing the occurrence of sliding teeth after the screw is fixed, rotating the thread part 2, the thread part 2 is engaged with the connecting column 1 through the external thread shaft 701 and the internal thread groove 702 to move relatively, being convenient for adjusting the length of the screw, thereby being convenient for the use of the screw, when screw thread portion 2 links up with spliced pole 1, in locating piece 703 embedding constant head tank 704, can play the effect of location to the linking of screw thread portion 2.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an electric motor car screw that can prevent slipping tooth which characterized in that: including spliced pole (1), the one end of spliced pole (1) is connected with screw thread portion (2), and the other end fixed mounting of spliced pole (1) has nut (3), hexagonal notch (4) have been seted up to one side surface of nut (3), the end position of screw thread portion (2) is equipped with chamfer (5), the inboard position of nut (3) is connected with locking device (6) that moves, locking device (6) that moves comprises rubber packing ring (601), linking lug (602) and linking recess (603), be connected with length adjustment mechanism (7) between spliced pole (1) and screw thread portion (2), length adjustment mechanism (7) comprise external screw shaft (701), internal thread groove (702), locating piece (703) and constant head tank (704).

2. The electric vehicle screw capable of preventing the slip threads according to claim 1, characterized in that: rubber packing ring (601) sets up in the inboard of nut (3), it in the surface of rubber packing ring (601) to link up lug (602) integrated into one piece, link up the surface of nut (3) to set up recess (603).

3. The electric vehicle screw capable of preventing the slip threads according to claim 1, characterized in that: the rubber gasket (601) is clamped and connected with the nut (3) through the clamping connection of the clamping connection lug (602) clamped into the clamping connection groove (603).

4. The electric vehicle screw capable of preventing the slip threads according to claim 1, characterized in that: external screw thread axle (701) fixed mounting is in the end position of screw thread portion (2), and external screw thread axle (701) extend to the inside of spliced pole (1), the inside of spliced pole (1) is seted up in internal thread groove (702), locating piece (703) fixed mounting is in the end position of screw thread portion (2), the end position of spliced pole (1) is seted up in constant head tank (704).

5. The electric vehicle screw capable of preventing the slip threads according to claim 1, characterized in that: the thread part (2) is movably connected with the connecting column (1) through mutual meshing of an external thread shaft (701) and an internal thread groove (702), and the outer surface of the positioning block (703) is tangent to the inner surface of the positioning groove (704).

Images