CN215805642U - U-shaped bolt fastening device for automobile - Google Patents
U-shaped bolt fastening device for automobile Download PDFInfo
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- CN215805642U CN215805642U CN202122358840.3U CN202122358840U CN215805642U CN 215805642 U CN215805642 U CN 215805642U CN 202122358840 U CN202122358840 U CN 202122358840U CN 215805642 U CN215805642 U CN 215805642U
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- shaped bolt
- handed thread
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Abstract
The utility model discloses a U-shaped bolt fastening device for an automobile, which comprises a top cross rod, a U-shaped bolt, a plate spring pressing plate and a rotary nut, wherein the U-shaped bolt is movably connected to the lower part of the top cross rod, the upper parts of the two sides of the U-shaped bolt are respectively provided with a left-handed thread and a right-handed thread, the right-handed thread and the left-handed thread are respectively matched and sleeved with a right nut and a left nut, the rotary nut drives the left nut and the right nut to rotate along the left-handed thread and the right-handed thread, and the U-shaped bolt is respectively screwed and fixed with the right nut and the left nut. According to the utility model, the left-handed thread and the right-handed thread of the U-shaped bolt are respectively matched and sleeved with the left nut and the right nut, the rotary screw disc is clamped between the left nut and the right nut, the upper part of the rotary screw disc is provided with the connecting rod, the upper part of the connecting rod is connected with the rotating head, the rotary screw disc is driven by the rotation of the rotating head to drive the left nut and the right nut to respectively rotate along the left-handed thread and the right-handed thread, and the plate spring pressing plate is driven by the left nut and the right nut to slide up and down, so that the fastening effect is achieved.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to a U-shaped bolt fastening device for an automobile.
Background
In the existing automobile parts, a U-shaped bolt is a common part, for example, a typical installation mode is to lock an upper installation structure on an upper wing surface of a frame longitudinal beam through the U-shaped bolt, or to fasten some parts through adaptive nuts at two ends of the U-shaped bolt, but if other structures exist in corresponding areas on the frame longitudinal beam, the U-shaped bolt cannot be used, for example, a part on the frame longitudinal beam where a steering cylinder support is installed is provided.
In the use process of the existing U-shaped bolt, usually, the U-shaped bolt sequentially penetrates through bolt holes of a main leaf spring and a fixing pressure plate at the front end section of an auxiliary spring piece from bottom to top and is fastened through nuts in a locking manner, and Chinese patent (No. CN213117238U) discloses a pickup truck leaf spring with a device for adjusting and lifting a load.
The scheme still has some shortcomings in application, because the two ends of the U-shaped bolt are screwed separately, the situation that the heights of the two sides are inconsistent is easy to occur, and meanwhile, because the nut is screwed separately, when frequent shaking occurs, the situation that the nut becomes loose or even falls off can occur. Therefore, there is a need to further improve the practicality and ease of operation of U-bolt fastening.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a U-shaped bolt fastening device for an automobile, which mainly aims to overcome the defects in the prior art.
The technical scheme adopted by the utility model is as follows:
the utility model provides a U-shaped bolt fastening device for car, includes top horizontal pole, U-shaped bolt, leaf spring clamp plate and swivel nut, U-shaped bolt swing joint in top horizontal pole lower part, U-shaped bolt both sides upper portion is equipped with left-handed screw and right-handed screw respectively, this right-handed screw with right nut and left nut have been cup jointed to left-handed screw adaptation respectively, swivel nut is from last to including rotating head, connecting rod and rotatory spiral shell dish down, should rotatory spiral shell dish fixed inlay to be located left side nut with between the right nut, swivel nut drive left side nut with right nut follows respectively left-handed screw with right-handed screw rotates, leaf spring clamp plate bilateral symmetry is equipped with first perforation, the U-shaped bolt is worn to establish first perforation respectively with right nut with left side nut closes fixedly soon.
Furthermore, the top cross rod is provided with second through holes which are bilaterally symmetrical at the top, bolts are matched and installed in the through holes, and the bolts penetrate through the second through holes to be connected with the U-shaped bolts.
Further, the left-hand threads and the right-hand threads are in a reverse thread arrangement.
Furthermore, two ends of the connecting rod are respectively and fixedly connected with the rotating head and the rotating spiral plate, and the connecting rod is perpendicular to the rotating head and the rotating spiral plate.
Furthermore, the right nut, the left nut and the outer ring of the rotary screw disc are provided with adaptive clamping gears, and the rotary head drives the rotary screw disc to rotate and drive the left nut and the right nut to slide up and down.
Further, the left nut and the right nut slide up and down to drive the plate spring pressing plate to slide up and down.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. the left-handed thread and the right-handed thread of the U-shaped bolt are set to be reverse threads, the left-handed thread and the right-handed thread are respectively matched and sleeved with the left nut and the right nut in a sleeved mode, the rotary screw disc is clamped between the left nut and the right nut, the upper portion of the rotary screw disc is provided with the connecting rod, the upper portion of the connecting rod is connected with the rotating head, the rotary screw disc is driven to rotate through the rotation of the rotating head to drive the left nut and the right nut to rotate along the left-handed thread and the right-handed thread respectively, and the plate spring pressing plate is driven to slide up and down through the left nut and the right nut to achieve the fastening effect.
2. The device is very simple to install, does not need any drilling, cutting or modifying mode, is convenient for replacing or increasing and decreasing the plate spring group in the U-shaped bolt, has a quick fastening mode, and can be temporarily installed and used or permanently installed and used.
Drawings
Fig. 1 is a schematic view of a connection structure of a left nut, a right nut and a swivel nut according to the present invention.
Fig. 2 is a schematic view of the structure of the swivel nut of the present invention.
Fig. 3 is a front view of the utility model prior to fastening.
Fig. 4 is a front view of the utility model after fastening.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a U-bolt fastening device for an automobile includes a top rail 1, a U-bolt 2, a plate spring pressing plate 3 and a swivel nut 4, the U-shaped bolt 2 is movably connected with the lower part of the top cross rod 1, the upper parts of the two sides of the U-shaped bolt 2 are respectively provided with a left-handed thread 21 and a right-handed thread 22, the right-handed thread 22 and the left-handed thread 21 are respectively sleeved with a right nut 5 and a left nut 6, the swivel nut 4 comprises a swivel head 41, a connecting rod 42 and a swivel nut 43 from top to bottom, the rotary screw disk 43 is fixedly embedded between the left nut 6 and the right nut 5, the rotary nut 4 drives the left nut 6 and the right nut 5 to rotate along the left-handed thread 21 and the right-handed thread 22 respectively, the left and right symmetry of the plate spring pressing plate 3 is provided with first through holes, and the U-shaped bolt 2 penetrates through the first through holes to be fixed with the right nut 5 and the left nut 6 in a screwing mode respectively.
Furthermore, the top cross rod 1 is provided with second through holes in bilateral symmetry at the top, the second through holes are matched and provided with bolts 7, and the bolts 7 penetrate through the second through holes to be connected with the U-shaped bolts 2.
Further, the left-hand thread 21 and the right-hand thread 22 are arranged in a reverse thread.
Furthermore, two ends of the connecting rod 42 are respectively and fixedly connected to the rotating head 41 and the rotating spiral disk 43, and the connecting rod 42 is perpendicular to the rotating head 41 and the rotating spiral disk 43.
Furthermore, the right nut 5, the left nut 6 and the outer ring of the rotary screw disc 43 are provided with an adaptive clamping gear 8, and the rotary head 41 drives the rotary screw disc 43 to rotate and drive the left nut 6 and the right nut 5 to slide up and down.
Further, the left nut 6 and the right nut 5 slide up and down to drive the plate spring pressing plate 3 to slide up and down.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. the left-handed thread and the right-handed thread of the U-shaped bolt are set to be reverse threads, the left-handed thread and the right-handed thread are respectively matched and sleeved with the left nut and the right nut in a sleeved mode, the rotary screw disc is clamped between the left nut and the right nut, the upper portion of the rotary screw disc is provided with the connecting rod, the upper portion of the connecting rod is connected with the rotating head, the rotary screw disc is driven to rotate through the rotation of the rotating head to drive the left nut and the right nut to rotate along the left-handed thread and the right-handed thread respectively, and the plate spring pressing plate is driven to slide up and down through the left nut and the right nut to achieve the fastening effect.
2. The device is very simple to install, does not need any drilling, cutting or modifying mode, is convenient for replacing or increasing and decreasing the plate spring group in the U-shaped bolt, has a quick fastening mode, and can be temporarily installed and used or permanently installed and used.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications of the present invention using this concept shall fall within the scope of infringing the present invention.
Claims (6)
1. The utility model provides a U-shaped bolt fastener for car which characterized in that: including top horizontal pole, U-shaped bolt, leaf spring clamp plate and swivel nut, U-shaped bolt swing joint in top horizontal pole lower part, U-shaped bolt both sides upper portion is equipped with left-handed screw and right-handed screw respectively, should right-handed screw with right nut and left nut have been cup jointed to left-handed screw adaptation respectively, swivel nut is from last to including rotating head, connecting rod and rotatory spiral shell dish down, should rotatory spiral shell dish is fixed to be inlayed and to be located left side nut with between the right nut, the swivel nut drive left side nut with right nut follows respectively left-handed screw with right-handed screw rotates, leaf spring clamp plate bilateral symmetry is equipped with first perforation, the U-shaped bolt is worn to establish first perforation respectively with right nut with left side nut closes soon fixedly.
2. A U-bolt fastening device for an automobile according to claim 1, characterized in that: the top cross rod is provided with second through holes in bilateral symmetry at the top, bolts are installed in the through holes in a matching mode, and the bolts penetrate through the second through holes and are connected with the U-shaped bolts.
3. A U-bolt fastening device for an automobile according to claim 1, characterized in that: the left-handed thread and the right-handed thread are arranged in a reverse thread mode.
4. A U-bolt fastening device for an automobile according to claim 1, characterized in that: the two ends of the connecting rod are fixedly connected with the rotating head and the rotary spiral plate respectively, and the connecting rod is perpendicular to the rotating head and the rotary spiral plate.
5. A U-bolt fastening device for an automobile according to claim 1, characterized in that: the right nut, the left nut with rotatory spiral shell dish outer lane is equipped with adaptation joint gear, the rotating head drive rotatory drive of rotatory spiral shell dish the left nut with the right nut slides from top to bottom.
6. A U-bolt fastening device for an automobile according to claim 5, characterized in that: the left nut and the right nut slide up and down to drive the plate spring pressing plate to slide up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358840.3U CN215805642U (en) | 2021-09-28 | 2021-09-28 | U-shaped bolt fastening device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358840.3U CN215805642U (en) | 2021-09-28 | 2021-09-28 | U-shaped bolt fastening device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805642U true CN215805642U (en) | 2022-02-11 |
Family
ID=80167989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122358840.3U Active CN215805642U (en) | 2021-09-28 | 2021-09-28 | U-shaped bolt fastening device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805642U (en) |
-
2021
- 2021-09-28 CN CN202122358840.3U patent/CN215805642U/en active Active
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