Anti-falling positioning pin
By designing anti-falling mechanism and anti-falling threads in the pins, the problem of reduced tightening and poor anti-falling effect after multiple disassembly and installations of existing pins is solved, and better fixing and anti-falling effect are achieved.
Patent Information
- Application Number
- CN202420863593.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-24
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-04-24
AI Technical Summary
After multiple disassembly and installation, the tightening effect of existing pins is reduced, and the anti-falling effect is poor, affecting the stability of the connection.
An anti-fall positioning pin is designed, and the structures of reinforcement, reinforcement block, pin rod and anti-fall thread are used to increase the resistance between the pin rod and the target object through an anti-fall mechanism (including a torsion shaft, torsion handle, horizontal screw and anti-fall top rod).
It effectively improves the anti-falling effect and fixing effect of the pin, enhances the stability of the connection, and extends the service life.
Smart Images
Figure CN222731872U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pins, in particular to an anti-falling positioning pin. Background Art
[0002] Pins are one of the commonly used fasteners in mechanical parts. Generally, one end is cylindrical and the other end is conical, so that two or more separate parts can be fastened together, which can effectively prevent relative misalignment between parts.
[0003] When the existing pin is used, after being disassembled and reinstalled many times, the tight fit effect of the pin will be reduced, and the anti-falling effect of the pin will be poor, which will affect the stability of the pin connection and further affect the use effect of the pin.
[0004] Therefore, we make improvements to this and propose an anti-falling positioning pin. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0006] The utility model discloses an anti-dropping positioning pin, comprising a reinforcement piece, a reinforcement block is fixedly installed at the lower end of the reinforcement piece, a pin rod is fixedly installed at the lower end of the reinforcement block, an anti-dropping thread is arranged on the pin rod, and a pin head is fixedly installed at the lower end of the pin rod;
[0007] The top of the reinforcement is fixedly sleeved with a mounting ring plate, the top of the mounting ring plate is fixedly mounted with four fixed connecting rods in a circular array, and the lower ends of the four fixed connecting rods are fixedly mounted in a circular array on the lower end surface of the knocking ring plate.
[0008] As a preferred technical solution of the utility model, an anti-falling mechanism is installed in the reinforcement.
[0009] As a preferred technical solution of the utility model, the anti-falling mechanism includes a torsion shaft, which is arranged in the vertical direction, and the middle part of the torsion shaft is rotatably installed in the reinforcement member through a bearing, and the upper end of the torsion shaft passes through the top of the reinforcement member and is fixedly connected with a torsion handle;
[0010] The lower end of the twist handle passes through the lower end of the reinforcement and extends to the inside of the reinforcement block. The lower end of the twist handle is mechanically linked with four horizontal screws, and the four horizontal screws are installed in a circular array at the bottom of the twist handle. The other end of the horizontal screw is rotatably connected to the inner wall of the reinforcement block.
[0011] A nut block is provided on the thread sleeve of the horizontal screw rod, an anti-dropping ejector rod is fixedly installed at one end of the bottom of the nut block away from the torsion shaft, and the other end of the anti-dropping ejector rod penetrates the side end face of the reinforcement block.
[0012] As a preferred technical solution of the utility model, the twist handle is located inside the four fixed connecting rods and below the knocking ring plate.
[0013] As a preferred technical solution of the utility model, the lower end of the torsion shaft is fixedly sleeved with a second bevel gear, and the end of the horizontal screw rod close to the torsion handle is fixedly sleeved with a first bevel gear, and the first bevel gear is meshed with the second bevel gear.
[0014] As a preferred technical solution of the utility model, the bottom side end surface of the reinforcement block is provided with four mounting side holes in a circular array, the other ends of the four anti-falling top rods respectively penetrate the four mounting side holes, and the side end surfaces of the anti-falling top rods slide in fit with the inner walls of the mounting side holes.
[0015] The beneficial effects of the utility model are:
[0016] 1. When using this anti-falling positioning pin, the pin head can be placed at the target position, and then the impact reinforcement can be achieved by knocking the ring plate, and then the reinforcement block, the pin rod and the pin head can be inserted into the target object. By setting the anti-falling thread, the resistance between the pin rod and the target object can be increased, thereby achieving an anti-falling effect.
[0017] 2. This anti-falling positioning pin can twist the torsion shaft through the twist handle. The rotating torsion shaft can drive the horizontal screw to rotate through the first bevel gear and the second bevel gear, thereby driving the nut block to move, and then driving the anti-falling top rod. The other end of the anti-falling top rod passes through the mounting side hole and is tightly attached to the inner wall of the target object, thereby improving the anti-falling effect of the utility model.
[0018] The utility model has an anti-falling function and a better fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0020] Figure 1 This is a structural schematic diagram of an anti-falling positioning pin of the utility model;
[0021] Figure 2 It is a structural schematic diagram of an anti-falling mechanism in an anti-falling positioning pin of the utility model;
[0022] Figure 3 yes Figure 1 A magnified view of the structure in the middle.
[0023] In the figure: 1. reinforcement member; 2. reinforcement block; 3. pin rod; 4. pin head; 5. anti-dropping thread; 6. anti-dropping mechanism; 7. mounting ring plate; 8. fixing connecting rod; 9. knocking ring plate; 10. mounting side hole;
[0024] 601, twist handle; 602, twist shaft; 603, first bevel gear; 604, horizontal screw rod; 605, anti-dropping push rod; 606, nut block; 607, second bevel gear. DETAILED DESCRIPTION
[0025] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0026] Example: Figure 1-3 As shown, the utility model is an anti-falling positioning pin, comprising a reinforcement member 1, a reinforcement block 2 is fixedly installed at the lower end of the reinforcement member 1, a pin rod 3 is fixedly installed at the lower end of the reinforcement block 2, and an anti-falling thread 5 is arranged on the pin rod 3. By setting the anti-falling thread 5, the resistance between the pin rod 3 and the target object can be increased, thereby achieving an anti-falling effect. A pin head 4 is fixedly installed at the lower end of the pin rod 3, and the utility model can be quickly knocked into the target object through the pin head 4;
[0027] A mounting ring plate 7 is fixedly mounted on the top of the reinforcement member 1 , and four fixed connecting rods 8 are fixedly mounted in a circular array on the top of the mounting ring plate 7 . The lower ends of the four fixed connecting rods 8 are fixedly mounted in a circular array on the lower end surface of the knocking ring plate 9 .
[0028] When in use, the pin head 4 can be placed at the target position, and then the reinforcement member 1 can be impacted by knocking the knocking ring plate 9, so that the reinforcement block 2, the pin rod 3 and the pin head 4 can be inserted into the target object.
[0029] In this embodiment, an anti-falling mechanism 6 is installed in the reinforcement member 1 .
[0030] The anti-falling mechanism 6 includes a torsion shaft 602, which is arranged in the vertical direction. The middle position of the torsion shaft 602 is rotatably installed in the reinforcement member 1 through a bearing. The upper end of the torsion shaft 602 passes through the top of the reinforcement member 1 and is fixedly connected with a torsion handle 601; the lower end of the torsion handle 601 passes through the lower end of the reinforcement member 1 and extends to the inside of the reinforcement block 2. The lower end of the torsion handle 601 is mechanically linked with four horizontal screws 604, and the four horizontal screws 604 are installed in a circular array at the bottom of the torsion handle 601, and the other end of the horizontal screw 604 is rotatably connected to the inner wall of the reinforcement block 2; A nut block 606 is threadedly sleeved on the flat screw 604, and an anti-falling top rod 605 is fixedly installed on one end of the bottom of the nut block 606 away from the torsion shaft 602, and the other end of the anti-falling top rod 605 passes through the side end face of the reinforcement block 2. The bottom side end face of the reinforcement block 2 is provided with four mounting side holes 10 in a circular array, and the other ends of the four anti-falling top rods 605 respectively pass through the four mounting side holes 10, and the side end faces of the anti-falling top rods 605 are slidably fitted with the inner walls of the mounting side holes 10, and the torsion handle 601 is located on the inner side of the four fixed connecting rods 8 and below the knocking ring plate 9.
[0031] The torsion shaft 602 can be twisted by the twist handle 601, and the rotating torsion shaft 602 can drive the horizontal screw rod 604 to rotate, thereby driving the nut block 606 to move, and then driving the anti-falling top rod 605. The other end of the anti-falling top rod 605 passes through the mounting side hole 10 and is tightly attached to the inner wall of the target object, thereby improving the anti-falling effect of the utility model.
[0032] A second bevel gear 607 is fixedly mounted on the lower end of the torsion shaft 602 , and a first bevel gear 603 is fixedly mounted on one end of the horizontal screw rod 604 close to the torsion handle 601 . The first bevel gear 603 is meshed with the second bevel gear 607 .
[0033] The rotation of the torsion shaft 602 can drive the second bevel gear 607 to rotate, and then drive the first bevel gear 603 to rotate. The rotating first bevel gear 603 can drive the horizontal screw rod 604 to rotate, thereby facilitating the simultaneous driving of multiple horizontal screw rods 604.
[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An anti-falling positioning pin, characterized in that: It comprises a reinforcing member (1), a reinforcing block (2) is fixedly mounted on the lower end of the reinforcing member (1), a pin rod (3) is fixedly mounted on the lower end of the reinforcing block (2), an anti-falling thread (5) is provided on the pin rod (3), and a pin head (4) is fixedly mounted on the lower end of the pin rod (3); The top of the reinforcement member (1) is fixedly sleeved with a mounting ring plate (7), the top of the mounting ring plate (7) is fixedly mounted with four fixed connecting rods (8) in a ring array, and the lower ends of the four fixed connecting rods (8) are fixedly mounted in a ring array on the lower end surface of the knocking ring plate (9).
2. The anti-falling positioning pin according to claim 1, characterized in that: An anti-falling mechanism (6) is installed in the reinforcement (1).
3. The anti-falling positioning pin according to claim 2, characterized in that: The anti-falling mechanism (6) comprises a torsion shaft (602), which is arranged in a vertical direction. The middle part of the torsion shaft (602) is rotatably mounted in the reinforcement member (1) via a bearing. The upper end of the torsion shaft (602) passes through the top end of the reinforcement member (1) and is fixedly connected to a torsion handle (601). The lower end of the twist handle (601) passes through the lower end of the reinforcement member (1) and extends to the interior of the reinforcement block (2). The lower end of the twist handle (601) is mechanically linked with four horizontal screw rods (604), and the four horizontal screw rods (604) are installed in a circular array at the bottom of the twist handle (601). The other end of the horizontal screw rod (604) is rotatably connected to the inner wall of the reinforcement block (2). A nut block (606) is threadedly sleeved on the horizontal screw rod (604), and an anti-falling top rod (605) is fixedly installed at one end of the bottom of the nut block (606) away from the torsion shaft (602), and the other end of the anti-falling top rod (605) penetrates the side end surface of the reinforcement block (2).
4. The anti-fall-off positioning pin according to claim 3, characterized in that: The twist handle (601) is located inside the four fixed connecting rods (8) and below the knocking ring plate (9).
5. The anti-falling positioning pin according to claim 4, characterized in that: The lower end of the torsion shaft (602) is fixedly sleeved with a second bevel gear (607), and the end of the horizontal screw rod (604) close to the torsion handle (601) is fixedly sleeved with a first bevel gear (603), and the first bevel gear (603) is meshed with the second bevel gear (607).
6. The anti-drop positioning pin according to claim 5, characterized in that: The bottom side end surface of the reinforcing block (2) is provided with four mounting side holes (10) in a circular array, and the other ends of the four anti-falling top rods (605) respectively penetrate the four mounting side holes (10), and the side end surfaces of the anti-falling top rods (605) are slidably fitted with the inner walls of the mounting side holes (10).