Novel locking and fixing device
By designing a new locking fixing device including a locking bolt column, a first limiting ring and a cone sleeve, the problem of simple and easy loosening of the bolt and nut fixing structure in the prior art is solved, and structural wear is avoided during the disassembly process, achieving more stable fixation and safe disassembly.
Patent Information
- Application Number
- CN202421368260.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-17
AI Technical Summary
In the existing locking and fixing devices, the fixing structure of bolts and nuts is simple and is easily loosened due to vibration of mechanical equipment; during the disassembly process, the rotation of nuts is likely to cause wear to the structure.
A new locking fixing device is designed, including a locking bolt column, a first limiting ring and a conical sleeve. Through the tight connection between the locking bolt column and the conical sleeve, the combination of locking bolts and disassembly bolts is used to achieve a more stable fixation, and the design of anti-slip marks and limiting holes is designed to avoid structural wear.
The device is not easy to loosen during long-term use, and the fixing is more stable; during the disassembly process, the disassembly bolts push the second limit ring to avoid wear to the equipment structure.
Smart Images
Figure CN222596486U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of locking and fixing devices, in particular to a novel locking and fixing device. Background Art
[0002] In the assembly process of mechanical equipment, locking devices are often used to fix two or more structures together to achieve connection between the structures, thereby combining multiple components into a whole to achieve the assembly of the mechanical equipment.
[0003] Among the locking and fixing devices that are currently used more commonly, most are fixed and locked by bolts, nuts, etc., among which the pre-embedded equipment and facilities are relatively stable, but there are the following defects:
[0004] 1. The fixing structure of bolts and nuts is simple, and they are prone to loosening due to the vibration of mechanical equipment after long-term use;
[0005] 2. The nut needs to be rotated during the disassembly process, but the rotation of the nut can easily cause wear to the structure. Utility Model Content
[0006] The purpose of the utility model is to provide a novel locking and fixing device to solve the problem that the fixing structure of the bolts and nuts proposed in the above-mentioned background technology is simple and is prone to loosening due to the vibration of mechanical equipment after a long time; the nut needs to be rotated during the disassembly process, but the rotation of the nut is prone to cause wear to the structure.
[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a new type of locking and fixing device, including a locking bolt, a first limiting ring and a cone sleeve, the middle part of the locking bolt is interlaced and connected with the first limiting hole opened in the middle part of the first limiting ring, the bottom end of the locking bolt is interlaced and connected with the locking hole opened in the middle part of the cone sleeve, the cone sleeve is provided with four first locking bolt holes and two disassembly bolt holes, the four first locking bolt holes are threadedly connected with locking bolts, the two disassembly bolt holes are threadedly connected with disassembly bolts, the cone sleeve is clamped and connected with the second limiting hole opened in the middle part of the second limiting ring, the second limiting ring is provided with four second locking bolt holes, the bottom ends of the four locking bolts are respectively threadedly connected with the four second locking bolt holes, in the process of tightening the four locking bolts, the cone sleeve is tightly connected to the locking bolt, and the fixation is more stable.
[0008] As a preferred technical solution of the utility model, a cone sleeve gap is opened on the surface of the cone sleeve, and when the cone sleeve moves toward the second limiting ring, it is compressed by the inner wall of the second limiting ring, so that the cone sleeve is tightened and the cone sleeve is firmly fixed to the locking bolt.
[0009] As a preferred technical solution of the utility model, the conical surface of the cone sleeve is provided with external anti-slip grooves, and the inner wall of the second limiting hole is provided with internal anti-slip grooves. The external anti-slip grooves and the internal anti-slip grooves are arranged correspondingly to play an anti-slip role.
[0010] As a preferred technical solution of the present utility model, the four first locking bolt holes are distributed in a rectangular shape, and the two disassembly bolt holes are distributed symmetrically.
[0011] As a preferred technical solution of the utility model, the bottom ends of the two disassembly bolts are both in contact with and connected to the second limiting ring. When the disassembly bolts are tightened, the disassembly bolts push the second limiting ring, thereby moving the cone sleeve out.
[0012] As a preferred technical solution of the present utility model, the outer ring of the first limiting ring is fixedly provided with an integrated expansion ring, which increases the size of the first limiting ring and increases the scope of application.
[0013] Compared with the prior art, the utility model has the following beneficial effects: the traditional bolt and nut fixing structure is improved, the locking bolt column is inserted into the preset fixing hole on the equipment structure, and then the second limiting ring and the cone sleeve are installed, and the cone sleeve is tightly connected with the locking bolt column during the process of tightening the four locking bolts, so the fixing is more stable and not easy to loosen;
[0014] During the disassembly process, the end of the disassembly bolt pushes the second limit ring, which is not easy to damage the equipment structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the second limiting ring of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the cone sleeve of the utility model;
[0018] Figure 4 It is a cross-sectional view of the second limiting ring and the cone sleeve of the utility model.
[0019] In the figure: 1. locking bolt; 2. first limiting ring; 3. second limiting ring; 4. taper sleeve; 5. locking bolt; 6. disassembly bolt; 7. expansion ring; 8. first limiting hole; 9. second limiting hole; 10. inner anti-slip pattern; 11. second locking bolt hole; 12. taper sleeve gap; 13. first locking bolt hole; 14. disassembly bolt hole; 15. locking hole; 16. outer anti-slip pattern. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-4 The utility model provides a novel locking and fixing device, including a locking bolt column 1, a first limiting ring 2 and a cone sleeve 4. The bottom end of the locking bolt column 1 is connected with a locking hole 15 opened in the middle of the cone sleeve 4. The cone sleeve 4 is connected with a second limiting hole 9 opened in the middle of the second limiting ring 3. The cone sleeve 4 is provided with four first locking bolt holes 13 and two disassembly bolt holes 14. The four first locking bolt holes 13 are all threadedly connected with locking bolts 5. The surface of the cone sleeve 4 is provided with a cone sleeve gap 12. The four first locking bolt holes 13 are distributed in a rectangular shape, and the two disassembly bolt holes 14 are distributed symmetrically.
[0022] When in use, insert the locking bolt 1 into the preset fixing hole on the equipment structure from one side of the equipment structure, put on the second limiting ring 3 from the other side of the equipment structure, install the cone sleeve 4, and then screw on the four locking bolts 5. The locking bolts 5 are screwed into the screw holes pre-opened on the equipment structure, and the locking bolts 5 are tightened.
[0023] The middle part of the locking bolt column 1 is connected with the first limiting hole 8 opened in the middle part of the first limiting ring 2 through insertion, and the two disassembly bolt holes 14 are both threadedly connected with the disassembly bolts 6. The second limiting ring 3 is provided with four second locking bolt holes 11, and the bottom ends of the four locking bolts 5 are respectively threadedly connected with the four second locking bolt holes 11;
[0024] When in use, when the diameter of the end cap of the locking bolt 1 is smaller than the aperture of the fixing hole preset on the equipment structure, the first limiting ring 2 is put on the locking bolt 1 before inserting the locking bolt 1 to prevent the locking bolt 1 from being unable to be fixed.
[0025] The conical surface of the cone sleeve 4 is provided with external anti-skid patterns 16 , and the inner wall of the second limiting hole 9 is provided with internal anti-skid patterns 10 . The external anti-skid patterns 16 are arranged corresponding to the internal anti-skid patterns 10 to limit and fix the cone sleeve 4 to prevent the cone sleeve 4 from rotating relative to the second limiting ring 3 .
[0026] The bottom ends of the two disassembly bolts 6 are in contact with the second limiting ring 3. When the disassembly bolts 6 are tightened, the ends of the disassembly bolts 6 push the second limiting ring 3, thereby ejecting the cone sleeve 4, making it easy to disassemble the cone sleeve 4 without damaging the equipment structure.
[0027] An integral expansion ring 7 is fixedly provided on the outer ring of the first limiting ring 2 to increase the size of the first limiting ring 2 .
[0028] When used specifically, the utility model is a novel locking and fixing device. The locking bolt column 1 is inserted into the fixing hole preset on the equipment structure from one side of the equipment structure, and the second limiting ring 3 is put on from the other side of the equipment structure, and then the cone sleeve 4 is installed, and then four locking bolts 5 are screwed on. The locking bolts 5 are screwed into the screw holes pre-opened on the equipment structure, and the locking bolts 5 are tightened to fix it firmly.
[0029] When the diameter of the end cap of the locking bolt 1 is smaller than the aperture of the preset fixing hole on the equipment structure, the first limiting ring 2 is put on the locking bolt 1 before inserting the locking bolt 1, and then the locking bolt 1 is inserted into the preset fixing hole on the equipment structure from one side of the equipment structure, and the second limiting ring 3 is put on from the other side of the equipment structure, and then the cone sleeve 4 is installed, and then four locking bolts 5 are screwed on, and the locking bolts 5 are screwed into the screw holes pre-opened on the equipment structure, and the locking bolts 5 are tightened;
[0030] During disassembly, tighten the two disassembly bolts 6. The ends of the disassembly bolts 6 push the second limit ring 3, thereby ejecting the cone sleeve 4, making it easier to disassemble the cone sleeve 4. After loosening the fixation, remove the second limit ring 3 and then take out the locking bolt 1 to complete the disassembly.
[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A novel locking and fixing device, comprising a locking bolt (1), a first limiting ring (2) and a cone sleeve (4), characterized in that: The middle part of the locking bolt column (1) is inserted and connected with the first limiting hole (8) opened in the middle part of the first limiting ring (2), and the bottom end of the locking bolt column (1) is inserted and connected with the locking hole (15) opened in the middle part of the cone sleeve (4). The cone sleeve (4) is provided with four first locking bolt holes (13) and two disassembly bolt holes (14). The four first locking bolt holes (13) are threadedly connected with locking bolts (5), and the two disassembly bolt holes (14) are threadedly connected with disassembly bolts (6). The cone sleeve (4) is snap-fitted and connected with the second limiting hole (9) opened in the middle part of the second limiting ring (3). The second limiting ring (3) is provided with four second locking bolt holes (11), and the bottom ends of the four locking bolts (5) are respectively threadedly connected with the four second locking bolt holes (11).
2. A novel locking and fixing device according to claim 1, characterized in that: A cone sleeve gap (12) is provided on the surface of the cone sleeve (4).
3. A novel locking and fixing device according to claim 1, characterized in that: The conical surface of the conical sleeve (4) is provided with an external anti-skid pattern (16), and the inner wall of the second limiting hole (9) is provided with an internal anti-skid pattern (10), and the external anti-skid pattern (16) and the internal anti-skid pattern (10) are arranged correspondingly.
4. A novel locking and fixing device according to claim 1, characterized in that: The four first locking bolt holes (13) are distributed in a rectangular shape, and the two disassembly bolt holes (14) are distributed symmetrically.
5. A novel locking and fixing device according to claim 1, characterized in that: The bottom ends of the two disassembly bolts (6) are both in contact with and connected to the second limiting ring (3).
6. A novel locking and fixing device according to claim 1, characterized in that: An integral expansion ring (7) is fixedly provided on the outer ring of the first limiting ring (2).