Anti-skid self-locking screw

Abstract

The utility model discloses an anti-skid self-locking screw which comprises a fixing body, a screw rod is in threaded connection with the interior of the fixing body, a screw head is fixedly connected with the top of the screw rod, a plurality of locking grooves are formed in the top of the fixing body and distributed at equal intervals, locking blocks are arranged in the locking grooves, and the locking blocks are connected with the screw head through bolts. And the top of the locking block is fixedly connected with a linkage ring. By rotating the rotating piece, the rotating piece drives the lead screw to rotate, the lead screw drives the lifting block to move downwards, the lifting block drives the lifting rod to move downwards, the lifting rod drives the linkage ring to move downwards, the linkage ring drives the locking block to move downwards, and the locking block enters the locking groove; the linkage ring, the lifting rod, the screw head and the screw rod cannot loosen and slide, the advantage of efficient locking is achieved, the screw rod is locked in an anti-skid mode through the hard clamping locking piece at the bottom of the screw head, and the screw locking effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screws, in particular to an anti-slip self-locking screw. Background Art

[0002] In the process of construction in fields such as machinery and construction, anti-slip self-locking screws are needed, and the patent publication number is 201521132603.3, which discloses a self-locking screw, including a screw head and a screw connected to the screw head, the screw rod is provided with a thread, and a locking disk integrally arranged with the screw head is provided at the connection between the screw head and the screw rod, and the locking disk is evenly distributed with mutually connected limit blocks on the end surface facing the screw rod, and a limit locking groove is provided on the outer peripheral surface of the screw rod, and a limit piece movable along the limit locking groove is provided in the limit locking groove. The above technical scheme is adopted to provide a self-locking screw with anti-slip and connection tightening.

[0003] The above-mentioned prior art solution has the following defects: the screw is locked to prevent slipping by rubbing the locking disk at the bottom of the screw head against the surface of the fixed object. When the surface of the fixed object is smooth, the teeth on the surface of the locking disk are difficult to produce effective friction with the surface of the fixed object, resulting in the screw head and the screw being difficult to lock with the fixed object after installation, thereby reducing the locking effect of the screw. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a non-slip self-locking screw, which has the advantage of efficient locking and solves the problem of non-slip locking of the screw by friction between the locking disk at the bottom of the screw head and the surface of the fixed object. When the surface of the fixed object is smooth, the teeth on the surface of the locking disk are difficult to produce effective friction with the surface of the fixed object, resulting in the screw head and the screw being difficult to lock with the fixed object after installation, thereby reducing the locking effect of the screw.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-slip self-locking screw, comprising a fixed body, an internal thread of the fixed body being connected to a screw rod, a screw head being fixedly connected to the top of the screw rod, a locking groove being provided on the top of the fixed body, a plurality of locking grooves being provided, and the plurality of locking grooves being equidistantly distributed, a locking block being provided inside the locking groove, a connecting ring being fixedly connected to the top of the locking block, lifting rods being fixedly connected to both sides of the top of the connecting ring, the top of the lifting rods passing through the interior of the screw head, and a locking mechanism being provided inside the screw head.

[0006] As a preferred embodiment of the utility model, the locking mechanism includes a lifting block, the lifting block is fixedly connected to the top of the lifting rod, the internal thread of the lifting block is connected to a screw rod, the top of the screw rod passes through the top of the screw head, the top of the screw rod is fixedly connected to a rotating plate, the bottom of the screw rod surface is provided with a stabilizing sleeve, and the bottom of the stabilizing sleeve is fixedly connected to the bottom of the inner wall of the screw head.

[0007] As a preferred embodiment of the utility model, a limiting ring is sleeved on the surface of the rotating piece, and the bottom of the limiting ring is fixedly connected to the top of the screw head.

[0008] As a preferred embodiment of the utility model, a stabilizing ring is fixedly connected to the inner wall of the limiting ring, and the stabilizing ring is slidably connected to the surface of the rotating piece.

[0009] As a preferred embodiment of the utility model, a friction ring is fixedly connected to the surface of the rotating plate, and the friction ring is located on the top of the screw head.

[0010] As a preferred embodiment of the utility model, both sides of the interior of the screw head are fixedly connected with sliding rods, and the lifting block is slidably connected to the surface of the sliding rods.

[0011] As a preferred embodiment of the present invention, a buffer pad is fixedly connected to the top of the surface of the sliding rod, and the buffer pad is located at the bottom of the lifting block.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model rotates the rotating piece, the rotating piece drives the screw to rotate, the screw drives the lifting block to move downward, the lifting block drives the lifting rod to move downward, the lifting rod drives the linkage ring to move downward, the linkage ring drives the locking block to move downward, the locking block enters the interior of the locking groove, and the locking groove and the locking block are rigidly engaged, so that the linkage ring, the lifting rod, the screw head and the screw cannot loosen or slide, and has the advantage of efficient locking. The rigidly engaged locking piece at the bottom of the screw head is used to prevent the screw from slipping and lock it, thereby improving the locking effect of the screw.

[0014] 2. The utility model can control the locking block by setting a locking mechanism, so as to avoid the locking block being unable to be controlled and positioned, resulting in the locking block being unable to cooperate with the locking groove, thereby improving the anti-slip locking effect after the screw is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional cross-sectional view of the screw head of the utility model;

[0017] Figure 3 For this utility model Figure 2The structure diagram at A is enlarged;

[0018] Figure 4 For this utility model Figure 2 Enlarged structural diagram at point B in the middle.

[0019] In the figure: 1. fixed body; 2. screw; 3. screw head; 4. locking groove; 5. locking block; 6. connecting ring; 7. lifting rod; 8. locking mechanism; 81. lifting block; 82. screw; 83. rotating plate; 84. stabilizing sleeve; 9. limiting ring; 10. stabilizing ring; 11. friction ring; 12. sliding rod; 13. buffer pad. 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] like Figures 1 to 4 As shown, the utility model provides an anti-slip self-locking screw, including a fixed body 1, the internal thread of the fixed body 1 is connected with a screw rod 2, the top of the screw rod 2 is fixedly connected with a screw head 3, the top of the fixed body 1 is provided with a locking groove 4, the number of the locking grooves 4 is several, and the several locking grooves 4 are equidistantly distributed, a locking block 5 is arranged inside the locking groove 4, the top of the locking block 5 is fixedly connected with a connecting ring 6, both sides of the top of the connecting ring 6 are fixedly connected with lifting rods 7, the top of the lifting rod 7 passes through the inside of the screw head 3, and the inside of the screw head 3 is provided with a locking mechanism 8.

[0022] refer to Figure 3 The locking mechanism 8 includes a lifting block 81, which is fixedly connected to the top of the lifting rod 7. The internal thread of the lifting block 81 is connected to a screw rod 82. The top of the screw rod 82 passes through the top of the screw head 3. The top of the screw rod 82 is fixedly connected to a rotating piece 83. The bottom of the surface of the screw rod 82 is provided with a stabilizing sleeve 84, and the bottom of the stabilizing sleeve 84 is fixedly connected to the bottom of the inner wall of the screw head 3.

[0023] As a technical optimization solution of the utility model, by setting a locking mechanism 8, the locking block 5 can be controlled to avoid the locking block 5 being unable to be controlled and positioned, resulting in the locking block 5 being unable to cooperate with the locking groove 4, thereby improving the anti-slip locking effect after the screw is installed.

[0024] refer to Figure 4 A limiting ring 9 is sleeved on the surface of the rotating piece 83 , and the bottom of the limiting ring 9 is fixedly connected to the top of the screw head 3 .

[0025] As a technical optimization solution of the utility model, by setting a limit ring 9, the rotation of the rotating piece 83 can be stabilized, avoiding shaking of the rotating piece 83 during the rotational movement, causing the rotating piece 83 to loosen, and improving the rotation stability of the rotating piece 83.

[0026] refer to Figure 4 The inner wall of the limiting ring 9 is fixedly connected with a stabilizing ring 10 , and the stabilizing ring 10 is slidably connected to the surface of the rotating piece 83 .

[0027] As a technical optimization solution of the present invention, by providing a stabilizing ring 10, the rotating piece 83 can be limited, thereby avoiding the rotating piece 83 from jumping during use, thereby improving the use stability of the rotating piece 83.

[0028] refer to Figure 4 A friction ring 11 is fixedly connected to the surface of the rotating piece 83 , and the friction ring 11 is located on the top of the screw head 3 .

[0029] As a technical optimization solution of the present invention, by providing a friction ring 11, the friction between the rotating piece 83 and the user can be increased to avoid the small friction between the rotating piece 83 and the user, which causes the rotating piece 83 to slip in the user's hand, thereby improving the stability of the rotating piece 83.

[0030] refer to Figure 2 Both sides of the screw head 3 are fixedly connected with the slide rod 12, and the lifting block 81 is slidably connected to the surface of the slide rod 12.

[0031] As a technical optimization solution of the utility model, by setting the slide rod 12, the lifting block 81 can be slid and stabilized, avoiding shaking of the lifting block 81 during sliding movement, causing the lifting block 81 to loosen, and improving the sliding stability of the lifting block 81.

[0032] refer to Figure 2 A buffer pad 13 is fixedly connected to the top of the surface of the slide rod 12 , and the buffer pad 13 is located at the bottom of the lifting block 81 .

[0033] As a technical optimization solution of the utility model, by providing a buffer pad 13, the lifting block 81 can be protected to prevent the lifting block 81 from hitting the inner wall of the screw head 3 during movement, thereby preventing the lifting block 81 from being damaged and improving the working safety of the lifting block 81.

[0034] The working principle and use process of the utility model: when in use, use a wrench tool to fix the screw rod 2 and the screw head 3 inside the fixed body 1. In order to prevent the screw rod 2 and the screw head 3 from sliding and loosening inside the fixed body 1, rotate the rotating piece 83, and the rotating piece 83 drives the screw rod 82 to rotate, and the screw rod 82 drives the lifting block 81 to move downward, and the lifting block 81 drives the lifting rod 7 to move downward, and the lifting rod 7 drives the linkage ring 6 to move downward, and the linkage ring 6 drives the locking block 5 to move downward, and the locking block 5 enters the locking groove 4. Through the rigid clamping fit between the locking groove 4 and the locking block 5, the linkage ring 6, the lifting rod 7, the screw head 3 and the screw 2 cannot loosen or slide, thereby having the advantage of efficient locking.

[0035] To sum up: the anti-slip self-locking screw, through the coordinated use of the fixed body 1, the screw rod 2, the screw head 3, the locking groove 4, the locking block 5, the linkage ring 6, the lifting rod 7 and the locking mechanism 8, solves the problem of anti-slip locking of the screw rod through the friction between the locking disk at the bottom of the screw head and the surface of the fixed object. When the surface of the fixed object is smooth, the teeth on the surface of the locking disk are difficult to produce effective friction with the surface of the fixed object, resulting in the difficulty of locking the screw head and the screw rod with the fixed object after installation, thereby reducing the locking effect of the screw.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] 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. An anti-slip self-locking screw, comprising a fixing body (1), characterized in that: The fixed body (1) is internally threadedly connected to a screw rod (2), the top of the screw rod (2) is fixedly connected to a screw head (3), the top of the fixed body (1) is provided with a locking groove (4), the number of the locking grooves (4) is a plurality, and the plurality of locking grooves (4) are equidistantly distributed, a locking block (5) is arranged inside the locking groove (4), the top of the locking block (5) is fixedly connected to a linkage ring (6), both sides of the top of the linkage ring (6) are fixedly connected to lifting rods (7), the top of the lifting rod (7) passes through the inside of the screw head (3), and the inside of the screw head (3) is provided with a locking mechanism (8).

2. The anti-slip self-locking screw according to claim 1, characterized in that: The locking mechanism (8) comprises a lifting block (81), the lifting block (81) being fixedly connected to the top of the lifting rod (7), the lifting block (81) being internally threadedly connected to a screw rod (82), the top of the screw rod (82) penetrating to the top of the screw head (3), the top of the screw rod (82) being fixedly connected to a rotating plate (83), the bottom of the surface of the screw rod (82) being sleeved with a stabilizing sleeve (84), the bottom of the stabilizing sleeve (84) being fixedly connected to the bottom of the inner wall of the screw head (3).

3. The anti-slip self-locking screw according to claim 2, characterized in that: A limiting ring (9) is sleeved on the surface of the rotating plate (83), and the bottom of the limiting ring (9) is fixedly connected to the top of the screw head (3).

4. The anti-slip self-locking screw according to claim 3, characterized in that: A stabilizing ring (10) is fixedly connected to the inner wall of the limiting ring (9), and the stabilizing ring (10) is slidably connected to the surface of the rotating plate (83).

5. The anti-slip self-locking screw according to claim 2, characterized in that: A friction ring (11) is fixedly connected to the surface of the rotating plate (83), and the friction ring (11) is located on the top of the screw head (3).

6. The anti-slip self-locking screw according to claim 2, characterized in that: Both sides of the interior of the screw head (3) are fixedly connected to sliding rods (12), and the lifting block (81) is slidably connected to the surface of the sliding rods (12).

7. The anti-slip self-locking screw according to claim 6, characterized in that: A buffer pad (13) is fixedly connected to the top of the surface of the sliding rod (12), and the buffer pad (13) is located at the bottom of the lifting block (81).

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