High-strength locking stud

Abstract

The utility model relates to the technical field of anti-loosening studs, and discloses a high-strength anti-loosening stud which comprises a connecting sleeve and a connecting column, a clamping groove and a positioning groove are formed in the connecting sleeve, the connecting column is connected in the connecting sleeve in a sliding mode and used for bearing the whole, and the clamping groove is used for being matched with the connecting column for connection. The outer wall of the connecting column is fixedly connected with a fixing ring, and the fixing ring is used for fixing a part; one end of the outer conical column is fixedly connected with a stud, and the stud is in threaded connection with the interior of the connecting column; and an inner cone plate. According to the connecting device, the connecting column penetrates through a part to be inserted into the connecting sleeve, the connecting column slides into the positioning groove through the positioning block to be positioned, the stud is rotated to drive the outer conical column to retract into the connecting column, the outer conical column drives the clamping block to be embedded into the clamping groove through the inner conical plate, and the effects of quick connecting and positioning are achieved; the problem that mounting, locking and positioning cannot be rapidly carried out is solved, and the mounting efficiency of the high-strength anti-loosening stud is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-loosening studs, in particular to high-strength anti-loosening studs. Background Art

[0002] Anti-loosening studs are specially designed studs whose main function is to prevent bolts or nuts from loosening when subjected to vibration, impact or other external forces. They are usually used in situations where high stability and safety are required, such as mechanical equipment, automobiles, aerospace and other fields. In order to ensure the stability and safety of connections under high stress or harsh environments, high-strength anti-loosening studs are required.

[0003] During the use of traditional high-strength anti-loosening studs, when the studs are tightened, their threads engage with the threads of the connected parts, forming a strong friction resistance to resist the loosening tendency caused by vibration or impact. In addition, when the studs are subjected to external forces, they will evenly disperse the load, making the force between the connecting parts more balanced, thereby further improving the anti-loosening performance of the overall structure.

[0004] However, during the installation process, the problem that the traditional studs are connected only by the friction between the threads and cannot be quickly installed, locked and positioned is not solved, which affects the installation efficiency of the high-strength anti-loosening studs. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a high-strength anti-loosening stud, which aims to improve the problem that traditional studs are connected only by the friction between threads and cannot be quickly installed, locked and positioned.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solution: a high-strength anti-loosening stud, comprising:

[0007] A connecting sleeve and a connecting column, wherein a slot and a positioning slot are provided inside the connecting sleeve, wherein the connecting column is slidably connected inside the connecting sleeve, wherein the connecting column is used to receive the whole, wherein the slot is used to cooperate with the connecting column for connection, wherein a fixing ring is fixedly connected to the outer wall of the connecting column, wherein the fixing ring is used to fix the parts;

[0008] An outer conical column, one end of which is fixedly connected with a stud, and the stud is threadedly connected inside the connecting column;

[0009] An inner cone plate, a clamping block is fixedly connected to the top of the inner cone plate, the clamping block is embedded in the clamping groove, the clamping block is used to lock the connecting column in the connecting sleeve, and the inner cone plate is in contact with the outer wall of the outer cone column;

[0010] A limit column, wherein the limit column is fixedly connected inside the connecting column, a symmetrically arranged connecting block is slidably connected to the outer wall of the limit column, the connecting block is fixedly connected to one side of the inner cone plate, and a reset component is arranged on the outer wall of the limit column, and the reset component is used to drive the clamping block to reset;

[0011] A positioning block is fixedly connected to the outer wall of the connecting column, the positioning block is slidably connected inside the positioning groove, and the positioning block is used to position the connecting column in the connecting sleeve.

[0012] As a further description of the above technical solution:

[0013] The reset assembly comprises a first spring, the first spring is sleeved on the outer wall of the limiting column, and both ends of the first spring are fixedly connected between the connecting blocks.

[0014] As a further description of the above technical solution:

[0015] A locking groove is provided inside the outer cone column, and a plurality of the locking grooves are provided in a ring array.

[0016] As a further description of the above technical solution:

[0017] The stud is threadedly connected with a locking ring, and a sliding block is fixedly connected inside the locking ring.

[0018] As a further description of the above technical solution:

[0019] The locking ring is internally slidably connected to a limiting plate, one side of the limiting plate is fixedly connected to a locking block, and the outer wall of the locking block is embedded in the locking groove.

[0020] As a further description of the above technical solution:

[0021] A sliding groove is provided inside the limiting plate, and the limiting plate slides on the outer wall of the sliding block through the sliding groove.

[0022] As a further description of the above technical solution:

[0023] A telescopic rod is arranged inside the locking ring, and a second spring is sleeved on the outer wall of the telescopic rod.

[0024] As a further description of the above technical solution:

[0025] One end of the telescopic rod and the second spring are both fixedly connected to the other side of the limiting plate, and the other ends of the telescopic rod and the second spring are both fixedly connected inside the locking ring.

[0026] The utility model has the following beneficial effects:

[0027] 1. In the utility model, first, the connecting column passes through the part and is inserted into the connecting sleeve. The connecting column slides into the positioning groove through the positioning block for positioning. The outer conical column is driven to retract into the connecting column by rotating the stud, so that the outer conical column drives the clamping block to be embedded in the clamping groove through the inner conical plate, thereby achieving the effect of quick connection and positioning. The problem that the traditional stud is connected only by the friction between the threads and cannot be quickly installed, locked and positioned is solved, thereby improving the installation efficiency of the high-strength anti-loosening stud.

[0028] 2. In the utility model, the locking block in the locking ring is embedded in the locking groove to lock the stud, the locking block is limited in the locking ring by the limiting plate, the limiting plate slides on the outer wall of the slider through the sliding groove to limit, and is supported by the tension of the second spring, so that the locking block can extend out of the locking ring and lock firmly, achieving the effect of preventing loosening, solving the problem that the traditional high-strength anti-loosening stud is only prevented from loosening by the gasket and is still easy to loosen when vibrated, thereby improving the anti-loosening property of the high-strength anti-loosening stud. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0030] Figure 1 A three-dimensional diagram of the high-strength anti-loosening stud proposed by the utility model;

[0031] Figure 2 A schematic diagram of the internal structure of the connecting column of the high-strength anti-loosening stud proposed in the utility model;

[0032] Figure 3 This is a schematic diagram of the block structure of the high-strength anti-loosening stud proposed by the utility model;

[0033] Figure 4 The utility model is a schematic diagram of the internal structure of the locking ring of the high-strength anti-loosening stud.

[0034] Legend:

[0035] 1. Connecting sleeve; 2. Connecting column; 3. Clamping slot; 4. Positioning slot; 5. Fixing ring; 6. Stud; 7. Outer cone column; 8. Positioning block; 9. Limiting column; 10. Connecting block; 11. Inner cone plate; 12. Clamping block; 13. First spring; 14. Locking slot; 15. Locking ring; 16. Sliding block; 17. Limiting plate; 18. Locking block; 19. Sliding slot; 20. Telescopic rod; 21. Second spring. DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0037] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0039] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0040] Reference Figure 1-Figure 3 The utility model provides an embodiment: a high-strength anti-loosening stud, comprising:

[0041] The connecting sleeve 1 and the connecting column 2, the connecting sleeve 1 is provided with a slot 3 and a positioning slot 4, the connecting column 2 is slidably connected inside the connecting sleeve 1, the connecting column 2 is used to receive the whole, the slot 3 is used to cooperate with the connecting column 2 for connection, the outer wall of the connecting column 2 is fixedly connected with a fixing ring 5, and the fixing ring 5 is used to fix the parts;

[0042] An outer conical column 7, one end of which is fixedly connected to a stud 6, and the stud 6 is threadedly connected to the inside of the connecting column 2;

[0043] The inner cone plate 11 has a clamping block 12 fixedly connected to the top thereof. The clamping block 12 is embedded in the clamping groove 3. The clamping block 12 is used to lock the connecting column 2 in the connecting sleeve 1. The inner cone plate 11 is fitted with the outer wall of the outer cone column 7.

[0044] The limiting column 9 is fixedly connected to the inside of the connecting column 2. The outer wall of the limiting column 9 is slidably connected to a symmetrically arranged connecting block 10. The connecting block 10 is fixedly connected to one side of the inner cone plate 11. The outer wall of the limiting column 9 is provided with a reset component, which is used to drive the clamping block 12 to reset;

[0045] A positioning block 8, which is fixedly connected to the outer wall of the connecting column 2, and is slidably connected to the inside of the positioning groove 4. The positioning block 8 is used to position the connecting column 2 in the connecting sleeve 1. The reset assembly includes a first spring 13, which is sleeved on the outer wall of the limiting column 9, and both ends of the first spring 13 are fixedly connected between the connecting blocks 10;

[0046] Specifically, at the required connection position, first install the connecting sleeve 1 firmly, then pass the connecting column 2 through the part to be connected and insert it into the connecting sleeve 1, the connecting column 2 slides into the positioning groove 4 through the positioning block 8, thereby ensuring accurate positioning, and the fixing ring 5 tightly limits the part to ensure that the part does not move during the fixing process, then, rotate the stud 6 to retract the outer conical column 7 inside the connecting column 2, and the outer conical column 7 pushes the block 12 to embed into the slot 3 through the inner conical plate 11. With the cooperation of the connecting block 10, the inner conical plate 11 performs precise sliding limiting through the outer wall of the limiting column 9 to ensure that the block 12 is accurately locked in the slot 3. At this time, the tension of the first spring 13 keeps the block 12 in the reset state, and when the outer conical column 7 continues to extend, the block 12 is firmly fixed in the slot 3 to ensure a firm and stable connection.

[0047] Reference Figure 4 , a locking groove 14 is provided inside the outer cone column 7, and a plurality of locking grooves 14 are provided in a ring array, a locking ring 15 is threadedly connected to the stud 6, a slider 16 is fixedly connected inside the locking ring 15, a limiting plate 17 is slidably connected inside the locking ring 15, a locking block 18 is fixedly connected to one side of the limiting plate 17, the outer wall of the locking block 18 is embedded in the locking groove 14, a sliding groove 19 is provided inside the limiting plate 17, and the limiting plate 17 slides on the outer wall of the slider 16 through the sliding groove 19, a telescopic rod 20 is provided inside the locking ring 15, and a second spring 21 is sleeved on the outer wall of the telescopic rod 20, one end of the telescopic rod 20 and the second spring 21 are fixedly connected to the other side of the limiting plate 17, and the other end of the telescopic rod 20 and the second spring 21 are fixedly connected to the inside of the locking ring 15;

[0048] Specifically, in the process of adjusting and fixing the stud 6, the locking ring 15 is first rotated to make the locking block 18 inside the locking ring 15 embed into the locking groove 14, so as to achieve a firm locking of the stud 6. The locking block 18 is accurately limited inside the locking ring 15 by the limiting plate 17. The limiting plate 17 slides in the slide groove 19 and cooperates with the outer wall of the slider 16 to perform stable limiting control. This process relies on the tension support of the second spring 21 to ensure that the locking block 18 can be fully extended in the locking ring 15 to achieve a firm locking of the stud 6. Through this design, the locking ring 15 not only ensures the accurate positioning of the locking block 18, but also enhances the reliability and stability of the entire locking system to ensure that the stud 6 does not loosen during use.

[0049] Working principle: When using the high-strength anti-loosening stud, first fix the connecting sleeve 1 at the desired connection position, then insert the connecting column 2 through the part into the connecting sleeve 1, the connecting column 2 slides into the positioning groove 4 through the positioning block 8 for positioning, so that the fixing ring 5 limits the part, and the stud 6 is rotated to drive the outer cone column 7 to retract into the connecting column 2, so that the outer cone column 7 drives the block 12 to embed into the card slot 3 through the inner cone plate 11, and the inner cone plate 11 slides and limits on the outer wall of the limiting column 9 through the connecting block 10, so that the block 12 is in place Afterwards, it can be reset and embedded in the card slot 3 through the tension of the first spring 13. When the outer cone column 7 continues to extend, the card block 12 is fixed. Then, the locking ring 15 is rotated to make the locking block 18 in the locking ring 15 embed into the locking groove 14 to lock the stud 6. The locking block 18 is limited in the locking ring 15 by the limiting plate 17. The limiting plate 17 slides on the outer wall of the slider 16 through the sliding groove 19 to limit the position, and is supported by the tension of the second spring 21, so that the locking block 18 can extend out of the locking ring 15 and be firmly locked.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. High-strength anti-loosening studs, characterized by: include: A connecting sleeve (1) and a connecting column (2), wherein a clamping groove (3) and a positioning groove (4) are provided inside the connecting sleeve (1), the connecting column (2) is slidably connected inside the connecting sleeve (1), the connecting column (2) is used to receive the whole, the clamping groove (3) is used to cooperate with the connecting column (2) for connection, and a fixing ring (5) is fixedly connected to the outer wall of the connecting column (2), and the fixing ring (5) is used to fix the parts; An outer conical column (7), one end of which is fixedly connected to a stud (6), and the stud (6) is threadedly connected to the interior of the connecting column (2); An inner cone plate (11), a clamping block (12) is fixedly connected to the top of the inner cone plate (11), the clamping block (12) is embedded in the clamping groove (3), the clamping block (12) is used to lock the connecting column (2) in the connecting sleeve (1), and the inner cone plate (11) is in contact with the outer wall of the outer cone column (7); A limit column (9), wherein the limit column (9) is fixedly connected to the inside of the connecting column (2), the outer wall of the limit column (9) is slidably connected to a symmetrically arranged connecting block (10), the connecting block (10) is fixedly connected to one side of the inner cone plate (11), and the outer wall of the limit column (9) is provided with a reset component, and the reset component is used to drive the clamping block (12) to reset; A positioning block (8), wherein the positioning block (8) is fixedly connected to the outer wall of the connecting column (2), the positioning block (8) is slidably connected inside the positioning groove (4), and the positioning block (8) is used to position the connecting column (2) inside the connecting sleeve (1).

2. The high-strength anti-loosening stud according to claim 1, characterized in that: The reset assembly comprises a first spring (13), the first spring (13) is sleeved on the outer wall of the limiting column (9), and both ends of the first spring (13) are fixedly connected between the connecting blocks (10).

3. The high-strength anti-loosening stud according to claim 1, characterized in that: The outer cone column (7) is provided with a locking groove (14) inside, and a plurality of the locking grooves (14) are provided in a ring array.

4. The high-strength anti-loosening stud according to claim 1, characterized in that: The stud (6) is threadedly connected with a locking ring (15), and a sliding block (16) is fixedly connected inside the locking ring (15).

5. The high-strength anti-loosening stud according to claim 4, characterized in that: The locking ring (15) is slidably connected to a limiting plate (17) inside, and a locking block (18) is fixedly connected to one side of the limiting plate (17), and the outer wall of the locking block (18) is embedded in the locking groove (14).

6. The high-strength anti-loosening stud according to claim 5, characterized in that: A sliding groove (19) is provided inside the limiting plate (17), and the limiting plate (17) slides on the outer wall of the sliding block (16) through the sliding groove (19).

7. The high-strength anti-loosening stud according to claim 4, characterized in that: A telescopic rod (20) is arranged inside the locking ring (15), and a second spring (21) is sleeved on the outer wall of the telescopic rod (20).

8. The high-strength anti-loosening stud according to claim 7, characterized in that: One end of the telescopic rod (20) and the second spring (21) are both fixedly connected to the other side of the limit plate (17), and the other ends of the telescopic rod (20) and the second spring (21) are both fixedly connected inside the locking ring (15).

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