Bolt with limiting device
By designing a limiting device on the bolt and utilizing the cooperation of the sliding block and the limiting pin, the problem of bolt loosening in a vibrating environment is solved, thereby improving the stability and safety of the bolt connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-27
AI Technical Summary
Bolts are prone to loosening in vibrating environments, leading to a decrease in connection strength or even detachment, posing a safety hazard.
A bolt with a limiting device was designed. Through the cooperation of a sliding block and a limiting pin, and by utilizing a compression spring and a guide rail groove structure, the bolt position is limited and fixed to prevent loosening.
It effectively prevents bolts from loosening in a vibrating environment, improves the stability and safety of bolt connections, and ensures the precise operation of equipment.
Smart Images
Figure CN224049531U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bolt technical field, especially a kind of bolt with limiting device. BACKGROUND
[0002] Bolt is a kind of mechanical parts, belongs to the cylindrical threaded fastener with nut, by head and screw rod (cylinder with external thread) two parts, need to cooperate with nut, for fastening connection two parts with through hole, in various machine tools, printing machine, textile machinery and other mechanical equipment, bolt is the key connecting piece of assembly parts, such as machine tool bed, workbench, main shaft box and other components, fastening connection is carried out by different specifications of bolt, ensure the relative position accuracy of each component, so that equipment can accurately run.
[0003] Due to the installation environment of bolt is more diversified, in some installation environments with larger vibration frequency (such as machine tool, main shaft box etc.), bolt will loosen in long-term vibration, leading to the decline of bolt connection strength, and seriously, it may also lead to bolt falling off, resulting in safety accident.
[0004] Therefore, it is necessary to improve the prior art to solve the above technical problems. CONTENT OF UTILITY MODEL
[0005] The utility model aims at providing a kind of bolt with limiting device, the position of bolt body is fixed by the limiting bolt of sliding out, prevent bolt body from loosening after the end of thread vibration due to installation environment, solve the problem that bolt will loosen in long-term vibration when using existing bolt, leading to the decline of bolt connection strength.
[0006] To achieve the above object, the utility model is realized by the following technical scheme:
[0007] The utility model is a kind of bolt with limiting device, including bolt body, the connecting thread is equipped on the outer wall of bolt body, the sliding hole is set up in the left end of bolt body, the sliding block is slidably connected in the inner wall of sliding hole, the sliding slot is opened in the sliding block, the limiting bolt is slidably connected in the sliding slot, the extrusion spring is fixedly connected between the lower end of the inner wall of sliding slot and the lower end of the outer wall of limiting bolt, the socket is opened in the inner wall of sliding hole, the socket is mutually fitted with the limiting bolt.
[0008] Further, the guide rail groove is symmetrically opened in the inner wall of sliding hole, the guide rail block is symmetrically fixedly installed on the outer wall of sliding block, the guide rail block is slidably connected with the guide rail groove.
[0009] Further, the top slot is arranged on the upper end of the inner wall of the sliding hole, and the placing slot is arranged on the upper end of the outer wall of the limiting bolt, and the rotating wheels are rotatably connected to the inner wall of the placing slot.
[0010] Further, the connecting block is fixedly installed on the right end of the outer wall of the sliding block, the threaded hole is arranged in the connecting block, the insertion hole is arranged in the right end of the bolt body and communicated with the sliding hole, the sliding rod is slidably connected to the inner wall of the insertion hole, and the threaded connector is fixedly installed on the left end of the outer wall of the sliding rod and threadedly connected with the threaded hole.
[0011] Further, the rotating head is fixedly installed on the right end of the outer wall of the sliding rod, and the cross-shaped hole is arranged in the right end of the outer wall of the rotating head.
[0012] The utility model has the following beneficial effects:
[0013] 1. When the bolt body is threadedly connected with the nut, the sliding block can be driven to slide rightwards by pulling the sliding rod rightwards, the limiting bolt can slide upwards under the action of the compression spring when the sliding slot and the insertion hole are aligned, the position of the bolt body is limited and fixed by the sliding limiting bolt, the bolt body is prevented from loosening due to vibration of the installation environment after the threaded installation is completed, and the connection stability of the bolt body after installation is improved.
[0014] 2. When the utility model is used, the sliding rod can be rotated by rotating the rotating head, the threaded connection between the threaded connector and the threaded hole is released, the connection between the sliding rod and the sliding block is released, the sliding rod can be pulled out of the bolt body at this time, the sliding rod can be removed after the limiting of the bolt body is completed, the rotating rod can be used repeatedly, and the practicability of the device is improved. DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description.
[0016] Figure 1 It is a structural schematic view of the utility model;
[0017] Figure 2 It is a front view of the utility model;
[0018] Figure 3 It is an internal sectional view of the utility model;
[0019] Figure 4 It is a structural schematic view of the sliding hole of the utility model;
[0020] Figure 5 It is a structural schematic view of the sliding block and the sliding rod of the utility model.
[0021] In the drawings, the components represented by the reference numbers are listed as follows:
[0022] 100, bolt body; 110, connecting thread; 200, sliding hole; 300, sliding block; 310, sliding groove; 320, limiting bolt; 330, extrusion spring; 400, socket; 500, guide rail groove; 510, guide rail block; 600, top groove; 610, placing groove; 620, rotating wheel; 700, connecting block; 710, threaded hole; 800, insertion hole; 810, sliding rod; 820, threaded connector; 900, rotating head; 910, cross-shaped hole. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0024] Please refer to Figures 1-5 As shown in the figure, the utility model discloses a bolt with limiting device, including bolt body 100, bolt body 100 outer wall is equipped with connecting thread 110, bolt body 100 left end is equipped with sliding hole 200, the inner wall sliding connection of sliding hole 200 is equipped with sliding block 300, the inner wall of sliding block 300 is equipped with sliding groove 310, the inside sliding connection of sliding groove 310 is equipped with limiting bolt 320, the inner wall lower end of sliding groove 310 and the outer wall lower end of limiting bolt 320 are fixedly connected with extrusion spring 330, the inner wall of sliding hole 200 is equipped with the socket 400 of through connection thread 110, the socket 400 and limiting bolt 320 mutually fit, when bolt body 100 and the nut or other device thread connection of outside, through the right sliding of sliding block 300, when sliding groove 310 and socket 400 are aligned, limiting bolt 320 will slide up under the action of extrusion spring 330, through the position of bolt body 100 is fixed by the limiting of sliding limiting bolt 320. The inner wall upper end of sliding hole 200 is equipped with top groove 600, the outer wall upper end of limiting bolt 320 is equipped with placing groove 610, the inner wall front and back side of placing groove 610 is rotatably connected with rotating wheel 620, through the rolling connection of rotating wheel 620 and top groove 600 to reduce the friction between limiting bolt 320 and the inner wall of sliding hole 200 when moving right, guarantee the stability of limiting bolt 320 when moving right.
[0025] Among them as Figure 3 And Figure 5As shown, guide rail grooves 500 are symmetrically provided on the front and rear sides of the inner wall of the sliding hole 200, and guide rail blocks 510 are symmetrically fixedly installed on the front and rear sides of the outer wall of the sliding block 300. The guide rail blocks 510 are slidably connected to the guide rail grooves 500. Through the slidable connection between the guide rail blocks 510 and the guide rail grooves 500, the stability of the sliding block 300 when sliding in the sliding hole 200 can be guaranteed, and the angle of the sliding block 300 in the sliding hole 200 can be guaranteed not to change.
[0026] Among them, such as Figures 1-3 and Figure 5 As shown, a connecting block 700 is fixedly installed on the right end of the outer wall of the sliding block 300. A threaded hole 710 is provided inside the connecting block 700. An insertion hole 800 communicating with the sliding hole 200 is provided on the right end of the bolt body 100. A sliding rod 810 is slidably connected to the inner wall of the insertion hole 800. A threaded connector 820 is fixedly installed on the left end of the outer wall of the sliding rod 810. The threaded connector 820 is threadedly connected to the threaded hole 710. A person can pull the sliding rod 810 to the right to drive the sliding block 300 to slide to the right. A rotating head 900 is fixedly installed on the right end of the outer wall of the sliding rod 810. A cross-shaped hole 910 is provided on the right end of the outer wall of the rotating head 900. A person can rotate the rotating head 900 to rotate the sliding rod 810, thereby releasing the threaded connection between the threaded connector 820 and the threaded hole 710, thereby releasing the connection between the sliding rod 810 and the sliding block 300. The cross-shaped hole 910 is used to facilitate the insertion of a screwdriver to rotate the rotating head 900.
[0027] A specific application of this embodiment is as follows: During use, after the bolt body 100 is threadedly connected to an external nut or other device, the operator can pull the sliding rod 810 to the right to drive the sliding block 300 to slide to the right. The guide block 510 and its sliding connection with the guide groove 500 ensure the stability of the sliding block 300 within the sliding hole 200, while also ensuring that the angle of the sliding block 300 within the sliding hole 200 does not change. Furthermore, the rolling connection between the rotating wheel 620 and the top groove 600 reduces friction between the limiting pin 320 and the inner wall of the sliding hole 200 when it moves to the right. Force is applied to ensure the stability of the limit pin 320 when it moves to the right. When the slide groove 310 and the socket 400 are aligned, the limit pin 320 will slide upward under the action of the compression spring 330. The position of the bolt body 100 is limited and fixed by the sliding limit pin 320. Then, the operator can rotate the rotating head 900 to rotate the sliding rod 810, thereby releasing the threaded connection between the threaded connector 820 and the threaded hole 710, thereby releasing the connection between the sliding rod 810 and the sliding block 300. At this time, the sliding rod 810 can be pulled out of the bolt body 100, and the installation of the device is completed.
[0028] The above are only preferred embodiments of the present application, and do not limit the present application, any modification to the technical solutions recorded in the foregoing embodiments, equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement made, all belong to the protection scope of the present application.
Claims
1. A bolt with a limiting device, comprising a bolt body (100), characterized in that: The bolt body (100) outer wall is equipped with connecting thread (110), the bolt body (100) left end is equipped with slide hole (200), the slide hole (200) inner wall is connected with sliding block (300) slidingly, the sliding block (300) is equipped with slide slot (310) in, the slide slot (310) inside is connected with limit bolt (320) slidingly, the slide slot (310) inner wall lower end and the limit bolt (320) outer wall lower end between fixedly connected with extrusion spring (330), the slide hole (200) inner wall is equipped with the insertion port (400) of penetrating the connecting thread (110), the insertion port (400) and the limit bolt (320) mutually fit.
2. A bolt with a limiting device according to claim 1, characterized in that The slide hole (200) inner wall is symmetrically equipped with guide rail slot (500) on both sides, the sliding block (300) outer wall is symmetrically fixedly installed with guide rail block (510) on both sides, the guide rail block (510) is connected with the guide rail slot (500) slidingly.
3. A bolt with a limiting device according to claim 1, characterized in that The slide hole (200) inner wall upper end is equipped with top slot (600), the limit bolt (320) outer wall upper end is equipped with placing groove (610), the placing groove (610) inner wall front and back side is rotatably connected with rotating wheel (620).
4. A bolt with a limiting device according to claim 1, characterized in that The sliding block (300) outer wall right end is fixedly installed with connecting block (700), the connecting block (700) is equipped with threaded hole (710) in, the bolt body (100) right end is equipped with insertion hole (800) that communicates the slide hole (200), the insertion hole (800) inner wall is connected with sliding rod (810) slidingly, the sliding rod (810) outer wall left end is fixedly installed with threaded connector (820), the threaded connector (820) is connected with the threaded hole (710) threadedly.
5. A bolt with a limiting device according to claim 4, characterized in that The sliding rod (810) outer wall right end is fixedly installed with rotating head (900), the rotating head (900) outer wall right end is equipped with cross type hole (910).