Fastener with anti-disassembly function

Abstract

The utility model relates to the technical field of fasteners, and discloses a fastener with an anti-disassembly function, which comprises a screw head, the bottom of the screw head is fixedly connected with a screw rod, the top of the screw head is provided with a plurality of limiting grooves, adjacent sides of the plurality of limiting grooves are connected with sliding blocks in a sliding manner, and the sliding blocks are connected with the screw rod in a sliding manner. And a replacement plate is fixedly connected between every two adjacent sliding blocks, clamping grooves are formed in the sides, away from each other, of the multiple sliding blocks, connecting holes are formed in the outer wall of the screw head, pull rods are slidably connected to the interiors of the two connecting holes, and springs are fixedly connected to the outer walls of the two pull rods. According to the bolt, the pull ring is pulled to drive the pull rod to be separated from the interior of the clamping groove, then the replacement plate is removed, in this way, external personnel can be well prevented from disassembling mechanical equipment, the screw rod is rotated to drive the fixing insertion rod to be inserted into the mechanical equipment, and the fixing effect of the bolt can be greatly improved through cooperation of the fixing insertion rod and the reinforcing inclined groove.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a fastener with an anti-dismantling function. Background Art

[0002] Fasteners are a type of mechanical part used for fastening connections and are extremely widely used. They are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, and hydraulics. Common fasteners include bolts, nuts, hinges, and fasteners.

[0003] When traditional fasteners are used, a hexagonal slot is provided on the top of the screw head, which makes it easy to turn and tighten the bolt. However, the hexagonal slot is prone to wear and tear after long-term use, making it difficult to use normally. At the same time, it is difficult to prevent outsiders from disassembling the machine. Therefore, a fastener with an anti-dismantling function is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a fastener with an anti-dismantling function, aiming to improve the problem in the prior art that the hexagonal socket is easily worn and difficult to use normally, and it is difficult to prevent outsiders from disassembling the machine.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a fastener with an anti-dismantling function, comprising a screw head, the bottom of the screw head is fixedly connected to a screw rod, the top of the screw head is provided with a plurality of limiting grooves, the adjacent sides of the plurality of limiting grooves are slidably connected to sliders, the adjacent sides of the plurality of sliders are fixedly connected to replacement plates, the sides away from the plurality of sliders are provided with a card slot, the outer wall of the screw head is provided with a connecting hole, the interior of the two connecting holes are slidably connected to pull rods, the outer walls of the two pull rods are fixedly connected to springs, and the bottom of the screw head is provided with a fastening mechanism.

[0006] As a further description of the above technical solution:

[0007] The fastening mechanism includes a connecting groove, which is opened on the outer wall of the screw head. A connecting shell is slidably connected to the inside of the connecting groove, and a connecting plate is fixedly connected to the inside of the connecting shell. An installation groove is opened at the bottom of the screw head, and a steel ball is slidably connected to the inside of the installation groove. Fixed rods are fixedly connected to the outer wall of the connecting shell all around.

[0008] As a further description of the above technical solution:

[0009] A reinforcement ring is fixedly connected between adjacent fixed insertion rods, and the inner wall of the reinforcement ring is fixedly connected to the outer wall of the connection shell.

[0010] As a further description of the above technical solution:

[0011] A reinforcement inclined groove is provided at the bottom of the connecting plate.

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

[0013] The top of the screw head is rotatably connected to a screw cover, and the outer wall of the screw cover is fixedly connected to a buckle plate.

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

[0015] The outer wall of the screw head is fixedly connected with a wear-resistant layer.

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

[0017] The ends of the two pull rods that are away from each other are both fixedly connected with pull rings.

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

[0019] A placement slot is provided on the top of the screw cover, and a hanging buckle is rotatably connected inside the placement slot.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the present invention, after the bolts are fixedly installed in the mechanical equipment, the pull ring is pulled to drive the pull rod to disengage from the inside of the slot, and then the replacement plate is removed, which can well prevent external personnel from disassembling the mechanical equipment.

[0022] 2. In the present invention, steel balls are installed on the screw head and the connecting assembly, so that the connection shell and the connecting plate can be rotated. By aligning the fixing rod with the point to be fixed, and then rotating the screw to drive the fixing rod into the machine, the fixing effect of the bolt can be greatly improved in combination with the reinforced bevel groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional schematic diagram of a fastener with an anti-dismantling function proposed by the present invention;

[0024] Figure 2 This is a disassembled diagram of a fastener with an anti-dismantling function proposed in the utility model;

[0025] Figure 3 The present invention is a schematic structural diagram of a fastener replacement device with an anti-dismantling function.

[0026] Legend:

[0027] 1. Screw head; 2. Fastening mechanism; 201. Connecting groove; 202. Connecting shell; 203. Connecting plate; 204. Mounting groove; 205. Steel ball; 206. Fixed plug rod; 207. Reinforcement ring; 208. Reinforcement bevel groove; 3. Screw; 4. Limiting groove; 5. Slider; 6. Replacement plate; 7. Slot; 8. Connecting hole; 9. Pull rod; 10. Spring; 11. Pull ring; 12. Wear-resistant layer; 13. Screw cover; 14. Buckle plate; 15. Placement groove; 16. Hanging buckle. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Reference Figure 1 、 Figure 2 and Figure 3 , the utility model provides an embodiment: a fastener with an anti-dismantling function, including a screw head 1, a screw rod 3 is fixedly connected to the bottom of the screw head 1, a plurality of limiting grooves 4 are provided on the top of the screw head 1, a slider 5 is slidably connected to the adjacent sides of the plurality of limiting grooves 4, a replacement plate 6 is fixedly connected between the adjacent sliders 5, a card slot 7 is provided on the opposite side of the plurality of sliders 5, a connecting hole 8 is provided on the outer wall of the screw head 1, a pull rod 9 is slidably connected to the inside of the two connecting holes 8, a spring 10 is fixedly connected to the outer walls of the two pull rods 9, a fastening mechanism 2 is provided at the bottom of the screw head 1, a pull ring 11 is fixedly connected to the opposite end of the two pull rods 9, and a wear-resistant layer 12 is fixedly connected to the outer wall of the screw head 1.

[0030] Specifically, a screw rod 3 is fixed at the bottom of the screw head 1, and the screw rod 3 can be used to conveniently fix the mechanical equipment. A plurality of limiting grooves 4 are provided at the top of the screw head 1, and the replacement plate 6 is limitedly installed through the limiting grooves 4 so that the slider 5 on the replacement plate 6 is inserted into the limiting grooves 4. Slots 7 are provided on both sides of the slider 5. A connecting hole 8 is provided on the outer wall of the screw head 1, and a pull rod 9 is installed through the connecting hole 8. A spring 10 is installed on the outer wall of the pull rod 9. The other end of the pull rod 9 can be inserted into the slot 7 through the spring 10, thereby completing the replacement of the replacement plate 6. After the bolt is fixedly installed in the mechanical equipment, the pull rod 9 is disengaged from the slot 7 by pulling the pull ring 11, and then the replacement plate 6 is removed. This can effectively prevent external personnel from disassembling the mechanical equipment.

[0031] Reference Figure 1 and Figure 2The fastening mechanism 2 includes a connecting groove 201, which is provided on the outer wall of the screw head 1. The connecting groove 201 is slidably connected to the connecting shell 202, and the connecting shell 202 is fixedly connected to the connecting plate 203. The bottom of the screw head 1 is provided with a mounting groove 204, and the mounting groove 204 is slidably connected to the inside of the steel ball 205. The outer wall of the connecting shell 202 is fixedly connected with fixed rods 206 all around, and the adjacent fixed rods 206 are fixedly connected with reinforcement rings 207. The inner wall of the reinforcement ring 207 is fixedly connected to the outer wall of the connecting shell 202, and the bottom of the connecting plate 203 is provided with a reinforcement inclined groove 208.

[0032] Specifically, a connecting groove 201 is opened on the outer wall of the screw head 1, and the connecting shell 202 is installed through the connecting groove 201. A connecting plate 203 is fixed to the bottom of the inner wall of the connecting shell 202, and a mounting groove 204 is opened at the bottom of the screw head 1. The steel ball 205 is installed and placed through the mounting groove 204, so that the rotation of the connecting shell 202 and the connecting plate 203 can be realized. A plurality of fixing rods 206 are fixed on the outer wall of the connecting shell 202. By aligning the fixing rod 206 with the point to be fixed, and then rotating the screw rod 3 to drive the fixing rod 206 into its machine, the fixing effect of the bolt can be greatly improved by cooperating with the reinforcement bevel groove 208.

[0033] Reference Figure 1 The top of the screw head 1 is rotatably connected to a screw cover 13, the outer wall of the screw cover 13 is fixedly connected to a buckle plate 14, the top of the screw cover 13 is provided with a placement groove 15, and the inside of the placement groove 15 is rotatably connected to a hanging buckle 16.

[0034] Specifically, the screw cap 13 can be used to seal the screw head 1 to prevent dust from falling into it, thereby affecting the installation of the replacement plate 6. A placement slot 15 is provided on the top of the screw cap 13, and the placement slot 15 can be used to conceal the hanging buckle 16, which can facilitate the placement and carrying of the bolt.

[0035] Working principle: First, when using the fastener, the mechanical equipment can be conveniently fixed through the screw 3. A plurality of limit grooves 4 are provided on the top of the screw head 1. The replacement plate 6 is limited and installed through the limit grooves 4, so that the slider 5 on the replacement plate 6 is inserted into the limit grooves 4. Slots 7 are provided on both sides of the slider 5, and a connecting hole 8 is provided on the outer wall of the screw head 1. The pull rod 9 is installed through the connecting hole 8, and a spring 10 is installed on the outer wall of the pull rod 9. The other end of the pull rod 9 can be inserted into the slot 7 through the spring 10, thereby completing the replacement of the replacement plate 6. After the bolt is fixedly installed in the mechanical equipment, the pull ring 11 is pulled to drive the pull rod 9 to disengage from the inside of the slot 7, and then the replacement plate 6 is removed. This can effectively prevent outsiders from disassembling the mechanical equipment. When installing the fastener, a connecting groove 201 is opened on the outer wall of the screw head 1, and the connecting shell 202 is installed through the connecting groove 201. A connecting plate 203 is fixed to the bottom of the inner wall of the connecting shell 202, and an installation groove 204 is opened at the bottom of the screw head 1. The steel ball 205 is installed and placed through the installation groove 204. This can realize the rotation of the connecting shell 202 and the connecting plate 203. A plurality of fixed rods 206 are fixed on the outer wall of the connecting shell 202. By aligning the fixed rod 206 with the point to be fixed, and then rotating the screw 3 to drive the fixed rod 206 into its machine, the fixing effect of the bolt can be greatly improved by cooperating with the reinforced inclined groove 208.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fastener with an anti-disassembly function, comprising a screw head (1), characterized in that: The bottom of the screw head (1) is fixedly connected to a screw rod (3), the top of the screw head (1) is provided with a plurality of limit grooves (4), adjacent sides of the plurality of limit grooves (4) are slidably connected to sliders (5), adjacent sides of the plurality of sliders (5) are fixedly connected to replacement plates (6), and the sides away from the plurality of sliders (5) are provided with retaining grooves (7), the outer wall of the screw head (1) is provided with connecting holes (8), the interiors of the two connecting holes (8) are slidably connected to pull rods (9), and the outer walls of the two pull rods (9) are fixedly connected to springs (10), and the bottom of the screw head (1) is provided with a fastening mechanism (2).

2. A fastener with anti-disassembly function according to claim 1, characterized in that: The fastening mechanism (2) comprises a connecting groove (201), the connecting groove (201) being provided on the outer wall of the screw head (1), the interior of the connecting groove (201) being slidably connected to a connecting shell (202), the interior of the connecting shell (202) being fixedly connected to a connecting plate (203), a mounting groove (204) being provided at the bottom of the screw head (1), the interior of the mounting groove (204) being slidably connected to a steel ball (205), and the outer wall of the connecting shell (202) being fixedly connected to fixed plug rods (206) all around.

3. A fastener with anti-disassembly function according to claim 2, characterized in that: A reinforcement ring (207) is fixedly connected between adjacent fixed insertion rods (206), and the inner wall of the reinforcement ring (207) is fixedly connected to the outer wall of the connection shell (202).

4. The fastener with anti-disassembly function according to claim 2, characterized in that: A reinforcement inclined groove (208) is provided at the bottom of the connecting plate (203).

5. The fastener with anti-disassembly function according to claim 1, characterized in that: The top of the screw head (1) is rotatably connected to a screw cover (13), and the outer wall of the screw cover (13) is fixedly connected to a buckle plate (14).

6. The fastener with anti-disassembly function according to claim 1, characterized in that: A wear-resistant layer (12) is fixedly connected to the outer wall of the screw head (1).

7. The fastener with anti-disassembly function according to claim 1, characterized in that: The ends of the two pull rods (9) that are away from each other are both fixedly connected with pull rings (11).

8. The fastener with anti-disassembly function according to claim 5, characterized in that: A placement groove (15) is provided on the top of the screw cover (13), and a hanging buckle (16) is rotatably connected inside the placement groove (15).

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