CN218542891U

CN218542891U - High-strength precision screw for new energy automobile

Info

Publication number: CN218542891U
Application number: CN202222873182.6U
Authority: CN
Inventors: 陈伟; 叶卓伦; 彭真真; 张志能; 韩勋
Original assignee: Zhejiang Keteng Precision Machinery Co ltd
Current assignee: Zhejiang Keteng Precision Machinery Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-02-28
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a fastener technical field's a new energy automobile high strength precision screw, including the column cap, the one end fixedly connected with double-screw bolt of column cap, the one end fixedly connected with threaded rod of column cap is kept away from to the double-screw bolt, sliding connection has the gasket on the threaded rod, the one end threaded connection that the double-screw bolt was kept away from to the threaded rod has fixation nut, fixation nut keeps away from the one end fixedly connected with spacer of threaded rod, the draw-in groove has been seted up on the spacer, the fixation nut top is provided with lock nut, lock nut threaded connection is in the threaded rod, lock nut is close to fixation nut's one end fixedly connected with connecting block, fixedly connected with fixture block on the connecting block, fixture block and draw-in groove zonulae occludens, the beneficial effects of the utility model are that: the plastic anti-loosening mode is prevented from being influenced by the environment, and the requirements of high temperature and severe cold are favorably met.

Description

High-strength precision screw for new energy automobile

Technical Field

The utility model relates to a screw device field especially relates to a new energy automobile high strength precision screw.

Background

Along with the development of science and technology and the progress of times, the industrial development is particularly rapid, the development of the domestic automobile industry is particularly rapid, all parts can not be fastened by screws in the production process of automobiles, the screws are directly connected and fixed to all the parts through threads, nuts are not needed for matching connection, and most time can be saved when the screws are quickly disassembled during automobile maintenance.

In chinese patent CN201921754434.5, an automobile screw assembly is introduced, wherein the use of I-shaped bar and nut, under the condition of not dismantling, the nut can be regarded as a stress point, give and be fixed integrative one toward inside power, when needs are dismantled, extract the I-shaped bar, the nut is divided into two, can quick unload the nut, in order to make things convenient for the dismantlement to the round bar, simultaneously when the I-shaped bar is difficult for taking off, can take off the tool bar, pry the I-shaped bar, nevertheless technical staff in this field discovers in actual operation: in the existing locknut, the back stopping function is realized by the friction force generated by the pressure after the screw is tightened, and once the screw is slightly loosened, the pressure is reduced, the friction force is quickly disappeared to lose the back stopping function, so that the screw is loosened; but the plastic anti-loosening mode is influenced by the environment, can not meet the requirements of high temperature and severe cold, and is not suitable for the application range of new energy automobiles.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a new energy automobile high strength precision screw, through fixation nut, lock nut, the draw-in groove, the locking structure that takes off that connecting block and fixture block are constituteed, there is lock nut through threaded connection on the threaded rod, fixation nut and the reverse threaded connection of lock nut in the threaded rod, carry out fixed connection between fixation nut and the lock nut through between draw-in groove and the fixture block, prevent through mechanical structure that the fixation nut takes off, plastics locking mode has been avoided receiving the environmental impact, be favorable to satisfying high temperature and severe cold requirement, satisfy new energy automobile's use needs.

The utility model provides a new energy automobile high strength precision screw, includes the column cap, the one end fixedly connected with double-screw bolt of column cap, the one end fixedly connected with threaded rod of column cap is kept away from to the double-screw bolt, sliding connection has the gasket on the threaded rod, the one end threaded connection that the double-screw bolt was kept away from to the threaded rod has fixation nut, fixation nut keeps away from the one end fixedly connected with spacer of threaded rod, the draw-in groove has been seted up on the spacer, the fixation nut top is provided with lock nut, lock nut threaded connection is in the threaded rod, lock nut is close to fixation nut's one end fixedly connected with connecting block, fixedly connected with fixture block on the connecting block, fixture block and draw-in groove zonulae occludens.

As a further aspect of the present invention: and one surface of the column cap, which is far away from the stud, is provided with an installation groove.

As the utility model discloses further scheme again: a first screw hole is formed in the central axis of the fixing nut, an internal thread is formed in the inner side wall surface of the first screw hole, and the internal thread is in threaded connection with an external thread on the threaded rod.

As a further aspect of the present invention: and a second screw hole is formed in the central axis of the anti-loose nut, an internal thread is formed on the inner side wall surface of the second screw hole, and the internal thread is in threaded connection with the external thread on the threaded rod.

As a further aspect of the present invention: one end of the fixing nut far away from the threaded rod is fixedly connected with more than two spacers.

As a further aspect of the present invention: and one end of the locknut close to the fixing nut is fixedly connected with more than two connecting blocks.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, through the locking structure that takes off that fixation nut, lock nut, draw-in groove, connecting block and fixture block are constituteed, through threaded connection has lock nut on the threaded rod, fixation nut and the reverse threaded connection of lock nut in the threaded rod, carry out fixed connection between fixation nut and the lock nut through between draw-in groove and the fixture block, prevent through mechanical structure that the fixation nut takes off and takes off, avoided plastics locking mode to receive environmental impact, be favorable to satisfying high temperature and severe cold requirement, satisfy new energy automobile's operation needs.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the middle threaded rod of the present invention;

fig. 3 is a schematic structural view of the fixing nut of the present invention;

fig. 4 is a schematic structural view of the middle anti-loose nut of the present invention.

Wherein: 1. a column cap; 2. a stud; 3. a gasket; 4. a threaded rod; 5. a spacer; 6. fixing a nut; 7. a locknut; 8. mounting grooves; 9. a first screw hole; 10. a card slot; 11. connecting blocks; 12. a clamping block; 13. a second screw hole.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

please refer to fig. 1-4, in the embodiment of the utility model, a new energy automobile high strength precision screw, including column cap 1, column cap 1's one end fixedly connected with double-screw bolt 2, double-screw bolt 2 keeps away from column cap 1's one end fixedly connected with threaded rod 4, sliding connection has gasket 3 on the threaded rod 4, threaded rod 4 keeps away from double-screw bolt 2's one end threaded connection has fixation nut 6, fixation nut 6 keeps away from threaded rod 4's one end fixedly connected with spacer 5, draw-in groove 10 has been seted up on the spacer 5, fixation nut 6 top is provided with locknut 7, locknut 7 threaded connection is in threaded rod 4, locknut 7 is close to fixation nut 6's one end fixedly connected with connecting block 11, fixedly connected with fixture block 12 on connecting block 11, fixture block 12 and draw-in groove 10 zonulae occludens.

Wherein, mounting groove 8 has been seted up to the one side that stud 2 was kept away from to column cap 1, first screw 9 has been seted up to fixation nut 6's the central axis department, set up the internal thread on the interior lateral wall face of first screw 9, external screw thread connection on internal thread and the threaded rod 4, second screw 13 has been seted up to the central axis department of lock nut 7, set up the internal thread on the interior lateral wall face of second screw 13, external screw thread connection on internal thread and the threaded rod 4, the one end fixedly connected with spacer 5 more than two of threaded rod 4 is kept away from to fixation nut 6, lock nut 7 is close to the one end fixedly connected with connecting block 11 more than two of fixation nut 6, through fixation nut 6, lock nut 7, draw-in groove 10, the locking structure that connecting block 11 and fixture block 12 are constituteed, there is lock nut 7 through threaded connection on threaded rod 4, fixation nut 6 and lock nut 7 reverse threaded connection are in threaded rod 4, carry out fixed connection between fixation nut 6 and lock nut 7 through fixed connection between draw-in groove 10 and the fixture block 12, prevent that lock nut 6 from taking off through mechanical structure, avoided the plastics mode to receive the environmental impact, be favorable to satisfy high temperature and severe cold requirement.

The utility model discloses a theory of operation is: the utility model discloses when using, pass gasket 3 with threaded rod 4, pass the screw of connecting piece with threaded rod 4 again, other end threaded connection has fixation nut 6, screw up double-screw bolt 2 through mounting groove 8, keep certain pretightning force, again with 7 reverse threaded connection of locknut on threaded rod 4, locknut 7 is close to fixation nut 6's one end fixedly connected with connecting block 11, fixedly connected with fixture block 12 on connecting block 11, after fixture block 12 zonulae occludens fixed connection's draw-in groove 10 on fixation nut 6, through fixation nut 6, locknut 7, draw-in groove 10, the locking structure that takes off that connecting block 11 and fixture block 12 are constituteed, through threaded connection has locknut 7 on threaded rod 4,

fixation nut

6 and 7 reverse threaded connection of locknut 4, carry out fixed connection between fixation nut 6 and locknut 7 through draw-in groove 10 and fixture block 12, prevent through mechanical structure that 6 pine of fixation nut from taking off, the plastics mode has been avoided receiving the environmental impact, be favorable to satisfy high temperature and severe cold requirement, reduce as 6 pretightning force, because of fixation nut 7 with 4 reverse threaded rod, provide certain pretightning force for fixation nut 6, guarantee that the locknut can not take off.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precision screw of new forms of energy car high strength, includes column cap (1), its characterized in that: one end fixedly connected with double-screw bolt (2) of column cap (1), one end fixedly connected with threaded rod (4) of column cap (1) is kept away from double-screw bolt (2), sliding connection has gasket (3) on threaded rod (4), one end threaded connection that double-screw bolt (2) were kept away from threaded rod (4) has fixation nut (6), one end fixedly connected with spacer (5) of threaded rod (4) are kept away from in fixation nut (6), draw-in groove (10) have been seted up on spacer (5), fixation nut (6) top is provided with lock nut (7), lock nut (7) threaded connection is in threaded rod (4), lock nut (7) are close to one end fixedly connected with connecting block (11) of fixation nut (6), fixedly connected with fixture block (12) on connecting block (11), fixture block (12) and draw-in groove (10) zonulae occludens.

2. The high-strength precision screw of the new energy automobile according to claim 1, characterized in that: and one surface of the column cap (1) far away from the stud (2) is provided with a mounting groove (8).

3. The high-strength precision screw for the new energy automobile according to claim 1, characterized in that: a first screw hole (9) is formed in the central axis of the fixing nut (6), an internal thread is formed in the inner side wall surface of the first screw hole (9), and the internal thread is in threaded connection with an external thread on the threaded rod (4).

4. The high-strength precision screw for the new energy automobile according to claim 1, characterized in that: a second screw hole (13) is formed in the central axis of the anti-loose nut (7), internal threads are formed in the inner side wall surface of the second screw hole (13), and the internal threads are in threaded connection with external threads on the threaded rod (4).

5. The high-strength precision screw of the new energy automobile according to claim 1, characterized in that: and one end of the fixing nut (6) far away from the threaded rod (4) is fixedly connected with more than two spacers (5).

6. The high-strength precision screw for the new energy automobile according to claim 1, characterized in that: and one end of the locknut (7) close to the fixing nut (6) is fixedly connected with more than two connecting blocks (11).