Lock bolt locking tool
By designing anti-loosening bolt locking tools, the combination of the nut locking assembly and the clamping assembly is used to solve the metal fatigue and looseness problems that the bolts may cause after long-term use, achieving higher connection reliability and replacement convenience.
Patent Information
- Application Number
- CN202420776073.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-16
AI Technical Summary
Existing bolt locking devices may cause metal fatigue after long-term use, resulting in loose bolts and affecting the reliability of the connection.
A locking bolt locking tool is designed, including rectangular plates, threaded rods, nuts and clamping components. Through the mating of the nut locking and clamping components, the nuts are prevented from being disengaged from the threaded rod, and the threaded rod is prevented from loosening through the spring mechanism.
It effectively prevents the loosening of the nut and threaded rod, improves the reliability of the bolt connection, and facilitates the replacement of the nut and extends the service life.
Smart Images

Figure CN222687086U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fasteners, in particular to an anti-loosening bolt locking tool. Background Art
[0002] A bolt is a connecting part that can lock and fix two workpieces through threaded holes and threaded grooves.
[0003] The existing method ensures that the locking collar cannot be separated from the locking bolt by loosening after the locking bolt is installed, and the locking collar cannot be separated from the locking bolt by rotation. The cooperation of the double auxiliary locking grooves and the installation tool can increase the reliability of the locking bolt installation process. However, when the above device is used, if the nut is used for a long time, it may cause metal fatigue. Therefore, we propose an anti-loosening bolt locking tool. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an anti-loosening bolt locking tool, which has the advantages of being easy to replace and preventing loosening, and solves the problems raised by the above-mentioned background technology.
[0005] The utility model provides the following technical solution: an anti-loosening bolt locking tool, comprising a rectangular plate one, the inner wall of the rectangular plate one is threadedly connected to a threaded rod, the outer wall of the threaded rod is threadedly connected to a rectangular plate two, a cylinder one is fixedly installed on the top of the threaded rod, a nut is threadedly connected to the bottom of the threaded rod, a locking component is provided on the outer wall of the nut, a clamping component is provided on the inner wall of the cylinder one, and a circular block is provided on the outer wall of the clamping component.
[0006] As a preferred technical solution of the utility model: the locking assembly includes a square plate, a square bar is fixedly installed on the bottom of the square plate, the inner wall of the square bar is provided with a circular shaft, the outer wall of the circular shaft is rotatably connected with an arc plate 1, a round rod is fixedly installed on the top of the arc plate 1, and the top of the round rod is threadedly connected to a limiting circular ring.
[0007] As an optimal technical solution of the utility model: the inner wall of the square plate is clamped with a nut, the inner wall of the square bar is provided with a rectangular groove, the outer wall of the circular shaft is fixedly installed in the rectangular groove, the circular shaft, the arc plate 1, the round rod and the limiting circular ring are respectively provided in two groups, and the two groups of circular shaft, arc plate 1, round rod and limiting circular ring are all arranged on the inner walls of the square bar and the square plate.
[0008] As an optimal technical solution of the utility model: the clamping assembly includes a circular plate, a rectangular block is fixedly installed on the bottom of the circular plate, a cylinder 2 is fixedly installed on the outer wall of the rectangular block, an arc plate 2 is rotatably connected to the outer wall of the arc plate 2, and a spring is fixedly installed on the outer wall of the arc plate 2.
[0009] As a preferred technical solution of the utility model: a circular block is fixedly installed on the top of the circular plate, and the outer wall of one end of the spring away from the second arc-shaped plate is fixedly installed on the outer wall of the rectangular block.
[0010] As a preferred technical solution of the utility model: a circular plate is fixedly installed on the inner wall of the cylinder one, a rectangular groove is opened on the outer wall of the cylinder one, and the outer wall diameter of the arc plate two is the same as the inner wall diameter of the rectangular groove.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] 1. The anti-loosening bolt locking tool has a nut clamped on the inner wall of the square plate. When the nut is fixing the threaded rod, the nut is prevented from being separated from the threaded rod, and the nut is fixed again on the outer wall of the nut. A round shaft is fixedly installed on the inner wall of the square bar, so that the arc plate can drive the round rod to rotate on the outer wall of the round shaft when rotating, so that the round rod can fix the nut through the square plate, and the outer wall of the round rod is threadedly connected with a limiting ring, so that the limiting ring can fix the round rod to prevent the round rod from being separated from the square plate, and the nut is convenient to replace.
[0013] 2. The anti-loosening bolt locking tool is fixed with a spring through the outer wall of the arc plate 2, so that when the clamping assembly is brought out of the top of the rectangular plate 2 through the cylinder 1, the force of the compression spring disappears, and the spring stretches, driving the arc plate 2 to rotate on the outer wall of the cylinder 2, thereby outward. At this time, the arc plate 2 can extend through the rectangular groove, so that the arc plate 2 can clamp the rectangular plate 2 to avoid loosening of the threaded rod, so that the connection between the threaded rod and the threaded rod through the cylinder 1 can be more secure and prevent loosening. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the other side of the utility model;
[0016] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;
[0017] Figure 4 This is a schematic diagram of the locking structure of the utility model;
[0018] Figure 5 This is a schematic diagram of the clamping structure of the utility model.
[0019] In the figure: 1, rectangular plate 1; 2, threaded rod; 3, rectangular plate 2; 4, cylinder 1; 5, nut; 6, locking assembly; 7, circular block; 8, snap-on assembly;
[0020] 601, square plate; 602, square bar; 603, round shaft; 604, arc plate 1; 605, round rod; 606, limiting ring;
[0021] 801, circular plate; 802, rectangular block; 803, cylinder 2; 804, arc plate 2; 805, spring. DETAILED DESCRIPTION
[0022] 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.
[0023] See also Figure 1-5 A bolt locking tool for preventing loosening comprises a rectangular plate 1, the inner wall of the rectangular plate 1 is threadedly connected with a threaded rod 2, the outer wall of the threaded rod 2 is threadedly connected with a rectangular plate 3, a cylinder 4 is fixedly installed on the top of the threaded rod 2, a nut 5 is threadedly connected with the bottom of the threaded rod 2, a locking component 6 is provided on the outer wall of the nut 5, a clamping component 8 is provided on the inner wall of the cylinder 4, and a circular block 7 is provided on the outer wall of the clamping component 8.
[0024] In the above structure, the rectangular plate 1, the rectangular plate 2 3 and the threaded rod 2 are threadedly connected. When the distance position of the rectangular plate 1 and the rectangular plate 2 3 needs to be adjusted, it is only necessary to rotate the rectangular plate 1 and the rectangular plate 2 3 on the outer wall of the threaded rod 2, so that the distance adjustment of the rectangular plate 1 and the rectangular plate 2 3 can be achieved.
[0025] In a preferred embodiment: the locking assembly 6 includes a square plate 601, a square bar 602 is fixedly installed on the bottom of the square plate 601, the inner wall of the square bar 602 is provided with a circular shaft 603, the outer wall of the circular shaft 603 is rotatably connected to an arc plate 604, a round rod 605 is fixedly installed on the top of the arc plate 604, and the top of the round rod 605 is threadedly connected to a limiting circular ring 606.
[0026] In a preferred embodiment: the inner wall of the square plate 601 is clamped with a nut 5, the inner wall of the square bar 602 is provided with a rectangular groove, the outer wall of the circular shaft 603 is fixedly installed in the rectangular groove, and the number of the circular shaft 603, the arc plate 604, the round rod 605 and the limiting ring 606 are respectively two groups, and the two groups of circular shafts 603, arc plate 604, round rods 605 and limiting rings 606 are all arranged on the inner walls of the square bar 602 and the square plate 601.
[0027] In the above structure, the nut 5 is clamped on the inner wall of the square plate 601. When the nut 5 is fixing the threaded rod 2, the nut 5 is prevented from being separated from the threaded rod 2 and is fixed again on the outer wall of the nut 5. A circular shaft 603 is fixedly installed on the inner wall of the square bar 602, so that the arc plate 604 can drive the circular rod 605 to rotate on the outer wall of the circular shaft 603 when rotating, so that the circular rod 605 can fix the nut 5 through the square plate 601, and the outer wall of the circular rod 605 is threadedly connected with a limiting ring 606, so that the limiting ring 606 can fix the circular rod 605 to prevent the circular rod 605 from being separated from the square plate 601.
[0028] In a preferred embodiment: the snap-on assembly 8 includes a circular plate 801, a rectangular block 802 is fixedly installed on the bottom of the circular plate 801, a cylinder 803 is fixedly installed on the outer wall of the rectangular block 802, an arc plate 804 is rotatably connected to the outer wall of the arc plate 804, and a spring 805 is fixedly installed on the outer wall of the arc plate 804.
[0029] In a preferred embodiment, a circular block 7 is fixedly mounted on the top of the circular plate 801 , and the outer wall of one end of the spring 805 away from the arc-shaped plate 2 804 is fixedly mounted on the outer wall of the rectangular block 802 .
[0030] In the above structure, a spring 805 is fixedly installed on the outer wall of the arc plate 804, so that when the clamping assembly 8 is brought out of the top of the rectangular plate 3 through the cylinder 4, the force of the compression spring 805 disappears, and the spring 805 stretches, driving the arc plate 804 to rotate on the outer wall of the cylinder 803, thereby outward. At this time, the arc plate 804 can extend through the rectangular groove, so that the arc plate 804 can clamp the rectangular plate 3 to prevent the threaded rod 2 from loosening.
[0031] In a preferred embodiment: a circular plate 801 is fixedly mounted on the inner wall of cylinder 1 4 , a rectangular groove is opened on the outer wall of cylinder 1 4 , and the outer wall diameter of arc plate 2 804 is the same as the inner wall diameter of the rectangular groove.
[0032] In the above structure, a circular plate 801 is fixedly installed through the inner wall of the cylinder 1 4 to prevent the clamping assembly 8 from being separated from the cylinder 1 4 when the clamping assembly 8 is working. The outer wall diameter of the arc plate 2 804 is the same as the inner wall diameter of the rectangular groove. When the threaded rod 2 enters the inner wall of the rectangular plate 1 1, the arc plate 2 804 can pass through the rectangular groove and enter the inner wall of the cylinder 4.
[0033] Working principle: When the distance position of rectangular plate 1 and rectangular plate 2 3 needs to be adjusted, it is only necessary to rotate rectangular plate 1 and rectangular plate 2 3 on the outer wall of threaded rod 2, so that rectangular plate 1 and rectangular plate 2 3 can change the position distance. At this time, cylinder 1 4 passes through the top of rectangular plate 2 3, and circular plate 801 is fixedly installed on the inner wall of cylinder 1 4. Arc plate 2 804 is connected by rotating the outer wall of cylinder 2 803, and spring 805 is fixedly installed on the outer wall of arc plate 2 804, so that when the clamping assembly 8 is brought out of the top of rectangular plate 2 3 through cylinder 1 4, the force of compressing spring 805 disappears, and spring 805 stretches , driving the arc plate 2 804 outward, thereby clamping the rectangular plate 2 3 to prevent the threaded rod 2 from loosening, and the nut 5 is connected through the bottom thread of the threaded rod 2, and the square plate 601 is clamped by the outer wall of the nut 5. When the nut 5 is fixing the threaded rod 2, the nut 5 is prevented from being separated from the threaded rod 2, and the outer wall of the nut 5 is fixed again, and a round shaft 603 is fixedly installed on the inner wall of the square bar 602, so that the arc plate 1 604 can drive the round rod 605 to rotate on the outer wall of the round shaft 603 when rotating, so that the round rod 605 can fix the nut 5 through the square plate 601 to prevent the nut 5 from loosening.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A bolt locking tool, comprising a rectangular plate (1), characterized in that: The inner wall of the rectangular plate 1 (1) is threadedly connected to a threaded rod (2), the outer wall of the threaded rod (2) is threadedly connected to a rectangular plate 2 (3), the top of the threaded rod (2) is fixedly mounted with a cylinder 1 (4), the bottom of the threaded rod (2) is threadedly connected to a nut (5), the outer wall of the nut (5) is provided with a locking component (6), the inner wall of the cylinder 1 (4) is provided with a clamping component (8), and the outer wall of the clamping component (8) is provided with a circular block (7).
2. The anti-loosening bolt locking tool according to claim 1, characterized in that: The locking assembly (6) comprises a square plate (601), a square bar (602) is fixedly mounted on the bottom of the square plate (601), a circular shaft (603) is provided on the inner wall of the square bar (602), an arc plate 1 (604) is rotatably connected to the outer wall of the circular shaft (603), a round rod (605) is fixedly mounted on the top of the arc plate 1 (604), and the top of the round rod (605) is threadedly connected to a limiting circular ring (606).
3. The anti-loosening bolt locking tool according to claim 2, characterized in that: The inner wall of the square plate (601) is clamped with a nut (5), the inner wall of the square bar (602) is provided with a rectangular groove, the outer wall of the circular shaft (603) is fixedly installed in the rectangular groove, the circular shaft (603), the arc plate 1 (604), the circular rod (605) and the limiting circular ring (606) are respectively provided in two groups, and the two groups of circular shafts (603), the arc plate 1 (604), the circular rod (605) and the limiting circular ring (606) are both arranged on the inner walls of the square bar (602) and the square plate (601).
4. The anti-loosening bolt locking tool according to claim 1, characterized in that: The clamping assembly (8) comprises a circular plate (801), a rectangular block (802) is fixedly mounted on the bottom of the circular plate (801), a cylinder 2 (803) is fixedly mounted on the outer wall of the rectangular block (802), an arc plate 2 (804) is rotatably connected to the outer wall of the cylinder 2 (803), and a spring (805) is fixedly mounted on the outer wall of the arc plate 2 (804).
5. The anti-loosening bolt locking tool according to claim 4, characterized in that: A circular block (7) is fixedly mounted on the top of the circular plate (801), and the outer wall of one end of the spring (805) away from the arc-shaped plate 2 (804) is fixedly mounted on the outer wall of the rectangular block (802).
6. The anti-loosening bolt locking tool according to claim 4, characterized in that: A circular plate (801) is fixedly mounted on the inner wall of the cylinder one (4), a rectangular groove is opened on the outer wall of the cylinder one (4), and the outer wall diameter of the arc plate two (804) is the same as the inner wall diameter of the rectangular groove.