Screw fastening device for new energy automobile

Abstract

The utility model discloses a new energy automobile screw fastening device in the technical field of new energy automobile parts, which comprises a screw, one side of the upper surface and one side of the lower surface of the outer wall of the screw are respectively provided with a mounting groove, one side of the outer wall of the screw is provided with a fastening nut, and the upper part and the lower part of the inner wall of the fastening nut are respectively provided with a clamping groove. The fastening device is reasonable in structure, the fastening nut is screwed on the screw on the new energy automobile in a threaded connection mode, the gasket and the spring A need to be sequentially sleeved before the fastening nut is installed, and the spring A is compressed to the maximum after the fastening nut is completely screwed according to the effect of elastic counter-acting force of the spring A, so that the fastening nut is tightly screwed. And the fastening nut is tightly jacked by utilizing the effect of elastic counter-acting force and reverse thrust, so that the fastening nut can be mounted on the outer wall of the screw and then is subjected to anti-loosening treatment.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile part technical field, concretely is a new energy automobile screw fastening device. BACKGROUND

[0002] The screw fastening device of new energy automobile is the important equipment of ensuring that the key part connection is firm in the automobile assembly and maintenance, at present, although the new energy automobile screw is guaranteed the stability after installation in the preliminary state, but along with the new energy automobile daily work, the vibration condition is easy to produce, the screw is not taken fastening limiting treatment, is easy to be affected by vibration and leads to the condition of loosening and separation, light will only produce the shaking at the fastening area range, serious directly leads to the new energy automobile failure and causes the certain risk of the personal safety of the driver, and then the use effect of the new energy automobile screw fastening device is reduced, also directly influences the stability after the new energy automobile screw fastening device installation.

[0003] Therefore, it is necessary to develop a new energy automobile screw fastening device. UTILITY MODEL CONTENT

[0004] The utility model discloses a new energy automobile screw fastening device to solve the problem in the background art.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a new energy automobile screw fastening device, including screw, the outer wall upper surface and lower surface one side of screw are all seted up with installation slot, the outer wall one side of screw is installed with fastening nut, the inner wall upper side and lower side of fastening nut are all seted up with the clamping slot of the card;

[0006] The inside of the installation slot is provided with a limiting ring.

[0007] Preferably, the inside of the screw is provided with an internal thread groove, and the internal thread groove is connected with a fastening wire through internal threads.

[0008] Preferably, the inner wall of the fastening nut is connected with the outer wall of the screw through threads, and one end of the fastening nut is provided with a spring A.

[0009] Preferably, one end of the spring A is provided with a gasket, and the inside of the gasket and the spring A is connected with the outer wall of the screw through sliding.

[0010] Preferably, the inside of the limiting ring is connected with a limiting column through sliding, and one end of the limiting column is provided with a clamping block.

[0011] Preferably, the outer wall of the clamping block is connected with the inner wall of the clamping slot through sliding, and the other end of the limiting column is provided with a guide head.

[0012] Preferably, the outer wall of the limiting column is provided with a spring B between the limiting ring and the guide head.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The fastening nut is screwed on the screw of the new energy automobile in a threaded connection mode, and before the fastening nut is installed, the gasket and the spring A are sequentially sleeved, the spring A is compressed to the limit after the fastening nut is completely screwed, and the elastic reaction force effect is utilized to tightly push the fastening nut, so that the fastening nut is prevented from loosening after being installed on the outer wall of the screw.

[0015] The limiting column is arranged in the limiting ring on the screw in a sliding mode, the clamping block and the guide head are arranged at the two ends of the limiting column, the fastening nut is tightly screwed, the fastening wire is then installed, the fastening wire is continuously screwed, the guide head is pressed, the clamping block at the other end is clamped into the clamping groove in the fastening nut, the fastening nut is clamped again, the fastening nut on the screw of the new energy automobile is prevented from being loosened and separated due to vibration after being installed, the stability after installation is ensured, and the use effect and the stability after installation of the screw fastening device of the new energy automobile are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A front view cross-sectional view of the utility model is provided.

[0017] Figure 2 A front view of the utility model is provided.

[0018] Figure 3 A structure enlarged view of A in the utility model is provided. Figure 1

[0019] Figure 4 A partial structure three-dimensional schematic view of the utility model is provided.

[0020] In the drawing: 1, screw; 101, installation groove; 102, internal thread groove; 103, fastening wire; 2, fastening nut; 201, clamping groove; 202, spring A; 203, gasket; 3, limiting ring; 301, limiting column; 302, clamping block; 303, guide head; 304, spring B. DETAILED DESCRIPTION

[0021] ​Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the present utility model.

[0022] The utility model provides the following technical scheme: a new energy automobile screw fastening device, please refer to Figures 1-4 , including screw 1, the outer wall upper surface and lower surface one side of screw 1 are all seted up installation slot 101, the inside of screw 1 is seted up internal thread groove 102, and the inside screw thread groove 102 is connected with fastening silk 103, fastening silk 103 is seted up in the internal thread groove 102 on screw 1 with the screw thread connection mode, and the one end of fastening silk 103 and screw 1 is all taken seted up flat mouth groove, is convenient to adopt flat mouth screwdriver tool and installs handle, simultaneously fastening silk 103 direct current or reverse, can install or separate the inside of screw 1, and the outer wall one side of screw 1 is installed with fastening nut 2, and the inner wall upper side and lower side of fastening nut 2 are all seted up clamping groove 201, and the inner wall of fastening nut 2 is connected with the outer wall of screw 1 with screw thread, and one end of fastening nut 2 is provided with spring A 202, and one end of spring A 202 is installed with gasket 203, and the inside of gasket 203 and spring A 202 is connected with the outer wall of screw 1 with sliding, fastening nut 2 is screwed with the screw thread connection mode at the outer wall of screw 1 on new energy automobile, and before fastening nut 2 is installed, need first in turn suit gasket 203 and spring A 202, according to the effect of spring A 202 with elastic reaction force, makes it fastening nut 2 completely tightens after, at this moment, spring A 202 is compressed to the extreme, using the effect of elastic reaction force, counterthrust degree is tightly fastened fastening nut 2, can realize the anti-loosening treatment after fastening nut 2 is installed on the outer wall of screw 1;

[0023] The inside of the installation groove 101 is provided with a limiting ring 3, the inside of the limiting ring 3 is slidably connected with a limiting column 301, one end of the limiting column 301 is provided with a clamping block 302, the outer wall of the clamping block 302 is slidably connected with the inner wall of the clamping groove 201, the other end of the limiting column 301 is provided with a guide head 303, the outer wall of the limiting column 301 is provided with a spring B 304, the spring B 304 is located between the limiting ring 3 and the guide head 303, the limiting column 301 is slidably arranged in the limiting ring 3 on the screw 1, and the two ends of the limiting column 301 are correspondingly provided with the clamping block 302 and the guide head 303, on the one hand, the installed clamping block 302 and the guide head 303 can limit the limiting column 301, preventing the limiting column 301 from being separated from the limiting ring 3, on the other hand, it also does not affect the sliding process of the limiting column 301 in the inside of the limiting ring 3, the outer wall of the limiting column 301 is sleeved with the spring B 304, the spring B 304 is in the non-pressing state, and the guide head 303 is in the reset state and located in the internal thread groove 102, when the fastening nut 2 is tightened, the fastening wire 103 is installed, and in the process of continuously tightening the fastening wire 103, the guide head 303 is pressed, and the clamping block 302 on the other end is clamped into the clamping groove 201 in the inside of the fastening nut 2, so that the fastening nut 2 is clamped again, and the loosening and separation of the fastening nut 2 on the new energy automobile screw 1 after installation is avoided.

[0024] Working principle: when using the utility model, the fastening wire 103 is arranged in the internal thread groove 102 on the screw 1 in a threaded connection mode, and the fastening wire 103 and one end of the screw 1 are both provided with a flat slot, facilitating installation treatment by using a flat screwdriver tool, and the fastening wire 103 can be installed or separated from the inside of the screw 1 by forward rotation or reverse rotation; the fastening nut 2 is screwed on the outer wall of the screw 1 on the new energy automobile in a threaded connection mode, and before installation of the fastening nut 2, the gasket 203 and the spring A 202 need to be sequentially sleeved; according to the elastic reaction force effect of the spring A 202, when the fastening nut 2 is completely screwed, the spring A 202 is compressed to the extreme, and the elastic reaction force effect is used to reversely push the fastening nut 2, so that the fastening nut 2 installed on the outer wall of the screw 1 can be prevented from loosening; the limiting column 301 is arranged in the limiting ring 3 on the screw 1 in a sliding mode, and the limiting column 301 is provided with the clamping block 302 and the guide head 303 at both ends, on the one hand, the clamping block 302 and the guide head 303 after installation can limit the limiting column 301 to prevent the limiting column 301 from separating from the limiting ring 3, and on the other hand, the limiting column 301 can also be slid in the limiting ring 3 without affecting the sliding treatment; the spring B 304 is sleeved on the outer wall of the limiting column 301, so that the spring B 304 is in a non-pressurized state, and the guide head 303 is in a reset state and located in the internal thread groove 102; when the fastening nut 2 is screwed, the fastening wire 103 is installed, and the fastening wire 103 is continuously screwed, the guide head 303 is pressed, and the clamping block 302 on the other end is clamped into the clamping groove 201 in the fastening nut 2, so that the fastening nut 2 is clamped again, and the fastening nut 2 on the screw 1 of the new energy automobile is prevented from loosening and separating due to vibration after installation, the stability after installation is ensured, and the use effect and the stability after installation of the new energy automobile screw fastening device are improved.

[0025] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in this specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A new energy automobile screw fastening device, comprising a screw (1), the outer wall upper surface and the lower surface of the screw (1) are provided with a mounting groove (101) on one side, characterized in that: The outer wall side of the screw (1) is provided with a fastening nut (2), the inner wall of the fastening nut (2) is provided with a clamping groove (201) above and below. The inside of the mounting groove (101) is provided with a limiting ring (3).

2. The new energy vehicle screw fastening device according to claim 1, characterized in that: The inside of the screw (1) is provided with an internal thread groove (102), and the internal thread groove (102) is threadedly connected with a fastening wire (103).

3. The new energy vehicle screw fastening device according to claim 1, characterized in that: The inner wall of the fastening nut (2) is threadedly connected with the outer wall of the screw (1), and one end of the fastening nut (2) is provided with a spring A (202).

4. The new energy vehicle screw fastening device according to claim 3, characterized in that: One end of the spring A (202) is provided with a gasket (203), and the inside of the gasket (203) and the spring A (202) is slidably connected with the outer wall of the screw (1).

5. The new energy vehicle screw fastening device according to claim 1, characterized in that: The inside of the limiting ring (3) is slidably connected with a limiting column (301), and one end of the limiting column (301) is provided with a clamping block (302).

6. The new energy vehicle screw fastening device according to claim 5, characterized in that: The outer wall of the clamping block (302) is slidably connected with the inner wall of the clamping groove (201), and the other end of the limiting column (301) is provided with a guide head (303).

7. The new energy vehicle screw fastening device according to claim 6, characterized in that: The outer wall of the limiting column (301) is provided with a spring B (304), and the spring B (304) is located between the limiting ring (3) and the guide head (303).

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