Anti-rotation positioning pin

Abstract

The utility model discloses an anti-rotation positioning pin which comprises a pin body, a pin head is fixedly installed at the top end of the pin body, clamping rods are fixedly installed at the front end and the rear end of the pin body, a connecting base is fixedly installed at the bottom end of the pin body, an installing groove is formed in the connecting base, a sliding plate is connected in the installing groove in a sliding mode, and a top block is fixedly installed at the bottom end of the sliding plate. Limiting blocks are arranged on the two sides of the top block, anti-falling pins are fixedly installed on the two sides of the limiting blocks, pin grooves are formed in the two sides of the connecting base, the sides, away from each other, of the two anti-falling pins extend out of the pin grooves, two springs and a pull rod are fixedly installed at the top end of the sliding plate, and iron sheets are fixedly installed on the sides, close to each other, of the two limiting blocks. A magnetic plate is fixedly mounted at the bottom end in the mounting groove, and the top block sleeves the outer side of the magnetic plate. According to the anti-rotation positioning pin, the pin body and the limiting hole can be rapidly disassembled and assembled, the anti-falling pin is not prone to being lost, use is more convenient and rapid, meanwhile, the pin body can be limited through the clamping rod, and the rotation problem is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning pins, in particular to an anti-rotation positioning pin. Background Art

[0002] A locating pin is a mechanical element that is usually used in mechanical equipment to achieve precise positioning between parts. The structure of a locating pin is usually cylindrical or square, and its two ends can be designed as cylindrical or chamfered shapes to match the locating hole or matching surface. The main functions of locating pins include fixing the relative position between two parts, bearing and transmitting the loads and moments acting on these parts. They are widely used in the field of mechanical equipment.

[0003] After searching, the patent publication number CN219888442U discloses an anti-rotation positioning pin, including a pin body, a limit rod is arranged on the lower outer surface of the pin body, a pin head is arranged on the upper outer surface of the pin body, an anti-rotation mechanism is arranged on the lower outer surface of the pin head, a disassembly handle is arranged in the middle of the upper end of the pin head, and anti-falling mechanisms are arranged on both sides of the upper end of the pin head. The anti-falling mechanism includes an anti-slip gasket, a connecting frame, a connecting screw, an anti-falling frame and a fixing screw, and the anti-rotation mechanism includes an anti-rotation gasket, a No. 1 adhesive pad, a mounting ring, a limit column and a No. 2 adhesive pad. This anti-rotation positioning pin can prevent the positioning pin from falling off from the fixed area through the anti-falling mechanism and the anti-rotation mechanism, improve the installation stability of the positioning pin, and secondly, can improve the friction between the pin head and the contact surface, prevent the positioning pin from rotating, and improve the fixing efficiency of the positioning pin.

[0004] However, this patent still has some shortcomings. In actual use, this patent requires multiple fixing screws and limit rods to fix the positioning rod and the parts, which makes disassembly and assembly more troublesome. In addition, since the limit rod and the pin body are split structures, they are easy to fall and be lost during the disassembly and assembly process, which is not convenient to use.

[0005] For this purpose, we propose an anti-rotation positioning pin. Utility Model Content

[0006] The purpose of the utility model is to provide a positioning pin with an anti-rotation function, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of anti-rotation positioning pin, comprising a pin body, a pin head is fixedly installed on the top of the pin body, a clamping rod is fixedly installed on the front and rear ends of the pin body, a connecting seat is fixedly installed on the bottom end of the pin body, a mounting groove is arranged in the connecting seat, a slide is slidably connected in the mounting groove, a top block is fixedly installed on the bottom end of the slide plate, limiting blocks are arranged on both sides of the top block, anti-slip pins are fixedly installed on both sides of the limiting block, pin grooves are arranged on both sides of the connecting seat, two anti-slip pins extend out of the pin grooves away from each other, two springs and a pull rod are fixedly installed on the top of the slide plate, two limiting blocks are fixedly installed on the side close to each other, a magnetic suction plate is fixedly installed on the bottom end of the mounting groove, and the top block is sleeved on the outside of the magnetic suction plate.

[0008] Optionally, the two springs are respectively arranged on both sides of the pull rod. Such a design is beneficial to the use of this positioning pin.

[0009] Optionally, the bottom ends of the two springs are fixedly mounted on the slide plate, and the tops of the two springs are fixedly mounted on the top of the mounting groove. This design is conducive to the use of this positioning pin.

[0010] Optionally, the top end of the pull rod extends out of the pin head, and a pull ring is fixedly installed on the top end of the pull rod, so that the pull rod can be pulled conveniently through the pull ring.

[0011] Optionally, a groove is provided at the top end of the pin head, and the pull ring is inserted into the groove. Such a design is convenient for the use of this positioning pin.

[0012] Optionally, the bottom end of the top block is configured as an inverted cone, and this design facilitates the use of this type of positioning pin.

[0013] Optionally, the top ends of the two limit blocks are both provided with inclined surfaces, and such a design is convenient for using the positioning pin.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] Through the cooperation of the clamping rod, connecting seat, pull ring, pull rod, slide plate, spring, limit block, anti-drop pin, pin groove, top block, patch and magnetic plate, the pin body and the limit hole can be quickly disassembled and assembled, and the anti-drop pin is not easy to lose, which makes it more convenient and quick to use. At the same time, the clamping rod can be used to limit the pin body to avoid rotation problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an anti-rotation positioning pin of the utility model;

[0017] Figure 2It is a cross-sectional view of an anti-rotation positioning pin of the utility model;

[0018] Figure 3 The utility model is a positioning pin for preventing rotation Figure 2 A is an enlarged view of the middle image.

[0019] In the figure: 1. pin body; 2. pin head; 3. connecting seat; 4. clamping rod; 5. groove; 6. pull ring; 7. mounting groove; 8. pull rod; 9. slide plate; 10. spring; 11. limit block; 12. anti-drop pin; 13. pin groove; 14. top block; 15. iron sheet; 16. magnetic plate. 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 Figures 1 to 3 The utility model provides an anti-rotation positioning pin, including a pin body 1, a pin head 2 is fixedly installed on the top of the pin body 1, a clamping rod 4 is fixedly installed on the front and rear ends of the pin body 1, a connecting seat 3 is fixedly installed on the bottom end of the pin body 1, a mounting groove 7 is arranged in the connecting seat 3, a slide plate 9 is slidably connected in the mounting groove 7, a top block 14 is fixedly installed on the bottom end of the slide plate 9, limiting blocks 11 are arranged on both sides of the top block 14, anti-drop pins 12 are fixedly installed on both sides of the limiting block 11, pin grooves 13 are arranged on both sides of the connecting seat 3, two anti-drop pins 12 extend out of the pin groove 13 away from each other, two springs 10 and a pull rod 8 are fixedly installed on the top of the slide plate 9, two limiting blocks 11 are fixedly installed on the side close to each other, a magnetic suction plate 16 is fixedly installed on the bottom end in the mounting groove 7, and the top block 14 is sleeved on the outside of the magnetic suction plate 16.

[0022] The two springs 10 are respectively arranged on both sides of the pull rod 8. This design is conducive to the use of this type of locating pin. The bottom ends of the two springs 10 are fixedly installed on the slide plate 9, and the tops of the two springs 10 are fixedly installed on the top of the installation groove 7. This design is conducive to the use of this type of locating pin. The top end of the pull rod 8 extends out of the pin head 2, and a pull ring 6 is fixedly installed on the top end of the pull rod 8. The pull ring 6 facilitates pulling the pull rod 8. The top end of the pin head 2 is provided with a groove 5, and the pull ring 6 is inserted into the groove 5. This design is conducive to the use of this type of locating pin. The bottom end of the top block 14 is set to an inverted cone shape. This design is conducive to the use of this type of locating pin. The top ends of the two limit blocks 11 are provided with inclined surfaces. This design is conducive to the use of this type of locating pin.

[0023] When the lever 8 is in the locked position, the spring 10 will push the slider 9 back to the original position, so that the top block 14 can be squeezed downward, thereby pushing the two limit blocks 11 away from each other. The two anti-slip pins 12 extend out of the connecting seat 3 and abut against the bottom end of the limit hole, thereby limiting the pin body 1. The anti-rotation positioning pin is easy to use. Through the above-mentioned components, the pin body 1 and the limit hole can be quickly disassembled and assembled, and the anti-slip pin 12 is not easy to lose, which is more convenient and quick to use. At the same time, the clamping rod 4 can be used to limit the pin body 1 to avoid rotation problems.

[0024] 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 positioning pin for preventing rotation, characterized in that: The invention comprises a pin body (1), a pin head (2) is fixedly mounted on the top of the pin body (1), a clamping rod (4) is fixedly mounted on the front and rear ends of the pin body (1), a connecting seat (3) is fixedly mounted on the bottom end of the pin body (1), a mounting groove (7) is arranged in the connecting seat (3), a slide plate (9) is slidably connected in the mounting groove (7), a top block (14) is fixedly mounted on the bottom end of the slide plate (9), and limit blocks (11) are arranged on both sides of the top block (14), and both sides of the limit blocks (11) are An anti-drop pin (12) is fixedly installed, and pin grooves (13) are provided on both sides of the connecting seat (3). The two anti-drop pins (12) extend out of the pin groove (13) on the side away from each other. Two springs (10) and a pull rod (8) are fixedly installed on the top of the slide plate (9). The two limit blocks (11) are fixedly installed with iron sheets (15) on the side close to each other. A magnetic attraction plate (16) is fixedly installed on the bottom end of the installation groove (7), and the top block (14) is sleeved on the outside of the magnetic attraction plate (16).

2. The anti-rotation positioning pin according to claim 1, characterized in that: The two springs (10) are respectively arranged on both sides of the pull rod (8).

3. The anti-rotation positioning pin according to claim 1, characterized in that: The bottom ends of the two springs (10) are fixedly mounted on the slide plate (9), and the top ends of the two springs (10) are fixedly mounted on the top end of the mounting groove (7).

4. The anti-rotation positioning pin according to claim 1, characterized in that: The top end of the pull rod (8) extends out of the pin head (2), and a pull ring (6) is fixedly mounted on the top end of the pull rod (8).

5. The anti-rotation positioning pin according to claim 4, characterized in that: The top end of the pin head (2) is provided with a groove (5), and the pull ring (6) is inserted into the groove (5).

6. The anti-rotation positioning pin according to claim 1, characterized in that: The bottom end of the top block (14) is configured to be in an inverted cone shape.

7. The anti-rotation positioning pin according to claim 1, characterized in that: The top ends of the two limit blocks (11) are both provided with inclined surfaces.

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