CN219840903U

CN219840903U - Anticreep locating pin structure

Info

Publication number: CN219840903U
Application number: CN202321144541.2U
Authority: CN
Inventors: 邓鑫楠; 贺冬双; 何奕谋; 黄七一
Original assignee: Wuhan Xinbaosheng Hardware Industry Co ltd
Current assignee: Wuhan Xinbaosheng Hardware Industry Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-10-17
Anticipated expiration: 2033-05-12

Abstract

The utility model discloses an anti-drop locating pin structure, which comprises a guide seat; a pin shaft is arranged below the guide seat, a knob is arranged above the guide seat, and a rotary handle is arranged above the knob; a mounting hole is formed above the guide seat, and guide grooves are symmetrically formed on two side edges of the mounting hole; the pin shaft is arranged in the mounting hole, the knob is arranged above the pin shaft, and the compression spring is arranged in the mounting hole and arranged outside the pin shaft and the knob. According to the utility model, the guide seat is provided with the mounting hole and the guide groove, the pin shaft is arranged in the mounting hole, the knob is arranged above the pin shaft, the knob is driven to move upwards by rotating the handle, the pin shaft is further driven to retract into the mounting hole by the knob, and the knob is driven to rotate by 90 degrees by rotating the rotating handle, so that the lower end of the knob falls into the clamping groove; the compression spring and the knob are matched to play a role in compressing the pin shaft, so that the pin shaft is prevented from being separated from the mounting hole, the practicability is high, and the market prospect is wide.

Description

Anticreep locating pin structure

Technical Field

The utility model relates to the technical field of locating pins, in particular to an anti-falling locating pin structure.

Background

The locating pin is a part taking a workpiece hole as a reference and participating in limiting the freedom degree of an object, and has certain application in some mechanical movement equipment, and is mainly used for determining the position in a two-dimensional space.

In traditional work piece production and processing, generally processing locating pin hole on anchor clamps, then insert the locating pin into the inside of pinhole with anchor clamps fixed on the workstation, and this kind of mode is easy operation, but can produce the vibration at the in-process of processing the article of anchor clamps clamp to make anchor clamps vibrate, if carry out the condition that the locating pin drops can appear in processing for a long time under such circumstances, make work piece anchor clamps produce the processing hidden danger, and current locating pin structure dismouting is also inconvenient moreover, has the bolt to drop easily, lost problem.

Disclosure of Invention

The utility model aims to provide an anti-falling positioning pin structure for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an anti-drop locating pin structure comprises a guide seat; a pin shaft is arranged below the guide seat, and a knob is arranged above the guide seat; a rotary handle is arranged above the knob, and is fixedly connected with the knob through a handle fixing piece; a mounting hole is formed above the guide seat, and guide grooves are symmetrically formed on two side edges of the mounting hole; the guide groove is vertically arranged, and is communicated with the mounting hole; the pin shaft is arranged in the mounting hole, wherein the lower end of the pin shaft downwards penetrates through the bottom of the guide seat and downwards extends, and the outer wall of the upper end of the pin shaft is provided with an external thread; the knob is arranged above the pin shaft, and two side edges of the knob are respectively inserted into the guide grooves; an internal threaded hole is formed in the bottom of the knob and is in threaded connection with external threads at the upper end of the pin shaft; and a compression spring is arranged in the mounting hole, wherein the compression spring is arranged outside the pin shaft and the knob.

Preferably, the pin shaft is provided with a limit stop, wherein the limit stop is arranged in the mounting hole.

Preferably, the diameter of the limit stop is smaller than the inner diameter of the mounting hole.

Preferably, a spring baffle is arranged above the guide seat, wherein the spring baffle is symmetrically arranged at two sides of the mounting hole.

Preferably, the lower end of the compression spring is abutted with the limit stop, and the top end of the compression spring is abutted against the inner wall of the spring baffle.

Preferably, the spring baffle is fixedly connected with the guide seat through an inner hexagonal countersunk head screw, and a clamping groove is formed in the upper portion of the spring baffle.

Preferably, the two sides of the guide seat are respectively provided with a fixed plate, wherein the fixed plates and the guide seat are integrally arranged.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the guide seat is provided with the mounting hole and the guide groove, the pin shaft is arranged in the mounting hole, and the knob is arranged above the pin shaft, wherein the pin shaft is connected with the knob through threads; the rotary handle is arranged above the knob, the knob is pulled upwards to drive the knob to move upwards, so that the knob drives the pin shaft to shrink into the mounting hole, and when the pin shaft is completely shrunk into the mounting hole, two sides of the knob are separated from the guide groove; then the rotary handle is rotated clockwise to drive the knob to rotate 90 degrees, so that the lower end of the knob falls into a clamping groove formed in the spring baffle plate, the convenience of using the positioning pin in fixture fixing is improved, the installation is simple and convenient, and meanwhile, the problem that the bolt is easy to fall off and lose is solved; when the clamp is fixed, the rotary handle is rotated to drive the knob to fall into the guide groove, and the pin shaft is pushed to extend out of the mounting hole under the action of the elasticity of the compression spring, so that the clamp is fixed, the pin shaft can be pressed through the cooperation of the compression spring and the knob, the pin shaft is prevented from being separated from the mounting hole, and the clamp is high in practicability and wide in market prospect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a right side schematic view of the present utility model;

FIG. 3 is a cross-sectional view of the A-A structure shown in FIG. 2;

FIG. 4 is a schematic view of the structure of the guide holder of the present utility model;

FIG. 5 is a schematic view of the structure of the knob of the present utility model;

FIG. 6 is a schematic view of the structure of the spring baffle of the present utility model;

FIG. 7 is a schematic view of the structure of the pin of the present utility model;

fig. 8 is a schematic diagram of a usage state reference of the present utility model.

Wherein: 1. a guide seat; 2. a pin shaft; 3. a knob; 4. rotating the handle; 5. a handle fixing member; 6. a mounting hole; 7. a guide groove; 8. an external thread; 9. an internal threaded hole; 10. a compression spring; 11. a limit stop; 12. a spring baffle; 13. a clamping groove; 14. a fixing plate; 15. and a clamp tray.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 8, an anti-falling positioning pin structure includes a guide seat 1; a pin shaft 2 is arranged below the guide seat 1, and a knob 3 is arranged above the guide seat 1; a rotary handle 4 is arranged above the knob 3, wherein the rotary handle 4 is fixedly connected with the knob 3 through a handle fixing piece 5; a mounting hole 6 is formed above the guide seat 1, wherein guide grooves 7 are symmetrically formed on two side edges of the mounting hole 6; the guide groove 7 is vertically arranged, wherein the guide groove 7 is communicated with the mounting hole 6; the pin shaft 2 is arranged in the mounting hole 6, wherein the lower end of the pin shaft 2 penetrates through the bottom of the guide seat 1 downwards and extends downwards, and the outer wall of the upper end of the pin shaft 2 is provided with an external thread 8; the knob 3 is arranged above the pin shaft 2, wherein two side edges of the knob 3 are respectively inserted into the guide groove 7; the guide grooves 7 are formed in the two sides of the guide seat 1 and are used for guiding and limiting the movement of the knob 3, so that the stability of the movement of the knob 3 is improved; an internal threaded hole 9 is formed in the bottom of the knob 3, and the internal threaded hole 9 is in threaded connection with an external thread 8 at the upper end of the pin shaft 2; a compression spring 10 is arranged in the mounting hole 6, wherein the compression spring 10 is arranged outside the pin shaft 2 and the knob 3; through installing rotatory handle 4 in knob 3 top, upwards lift rotatory handle 4 makes its rotatory 3 upward movement of knob that moves, and then make knob 3 drive round pin axle 2 shrink to mounting hole 6 in, after round pin axle 2 shrink completely to mounting hole 6 in, the knob 3 both sides break away from in the guide way 7 this moment, then clockwise rotation rotatory handle 4 makes rotatory handle 4 drive knob 3 and rotate 90, thereby make knob 3 lower extreme fall into in the draw-in groove 13 of seting up on the spring baffle 12, improve the convenience that the locating pin used in the anchor clamps are fixed, convenient follow-up installation.

Referring to fig. 3 and fig. 7 in combination, as an embodiment of the present utility model, the pin 2 is provided with a limit stop 11, where the limit stop 11 is disposed in the mounting hole 6; the diameter of the limit stop 11 is smaller than the inner diameter of the mounting hole 6.

In the above scheme, the limit stop 11 and the pin shaft 2 are integrally arranged, and the limit stop 11 is arranged on the outer side of the pin shaft 2, so that the limit stop 11 plays a limiting role on the movement of the pin shaft 2, the pin shaft 2 is prevented from falling from the mounting hole 6, and the positioning stability of the pin shaft 2 is greatly improved.

Referring to fig. 3 and fig. 6 in combination, as an embodiment of the present utility model, a spring baffle 12 is disposed above the guide seat 1, where the spring baffle 12 is symmetrically disposed at two sides of the mounting hole 6.

In the above scheme, the spring baffle plates 12 are symmetrically arranged above the guide seat 1, so that the limit function is realized on the compression springs 10 arranged in the mounting holes 6, and the compression springs 10 are prevented from being separated from the mounting holes 6; on the other hand, the spring baffle 12 is matched with the limit stop 11, so that the limit effect on the movement of the pin shaft 2 is achieved, and the pin shaft 2 is prevented from being separated from the upper portion of the mounting hole 6 when the knob 3 drives the pin shaft 2 to move upwards, so that the use stability of the positioning pin is greatly improved.

Referring to fig. 3 and 6 in combination, as an embodiment of the present utility model, the spring baffle 12 is fixedly connected to the guide seat 1 through a hexagon socket screw, wherein a clamping groove 13 is provided above the spring baffle 12.

In the above-mentioned scheme, the spring baffle 12 is provided with the clamping groove 13, wherein the width of the clamping groove 13 is the same as the width of the lower end of the knob 3, the clamping groove 13 is clamped with the lower end of the knob 3, and the clamping groove 13 plays a limiting role on the knob 3; through upwards pulling rotatory handle 4, and then make knob 3 drive round pin axle 2 shrink to mounting hole 6 in, after round pin axle 2 shrink completely to mounting hole 6 in, knob 3 both sides break away from guide slot 7, rotate rotatory handle 4 and drive knob 3 at spring baffle 12 top clockwise rotation 90 to make knob 3 lower extreme fall into draw-in groove 13, and then play the limiting effect to knob 3 and round pin axle 2, improve the convenience that the locating pin used in the anchor clamps are fixed, easy dismounting is convenient.

Referring to fig. 3, as an embodiment of the utility model, the lower end of the compression spring 10 abuts against the limit stop 11, wherein the top end of the compression spring 10 abuts against the inner wall of the spring baffle 12.

In the above-mentioned scheme, through pulling the rotary handle 4 upwards, the knob 3 drives the pin shaft 2 to shrink inwards towards the mounting hole 6, when the pin shaft 2 shrinks upwards, the limit stop 11 extrudes the compression spring 10 to accumulate kinetic energy, when the pin shaft 2 shrinks completely into the mounting hole 6, the rotary handle 4 is rotated to drive the knob 3 to rotate 90 degrees clockwise above the spring baffle 12, so that the lower end of the knob 3 falls into the clamping groove 13, and further the limiting effect on the knob 3 and the pin shaft 2 is achieved; when the clamp is fixed, the rotary handle 4 is rotated anticlockwise, so that the rotary handle 4 drives the knob 3 to rotate anticlockwise by 90 degrees and then falls into the guide groove 7, the rotary handle 4 is loosened, and the pin shaft 2 is pushed to extend outwards from the mounting hole 6 under the elastic force of the compression spring 10 so as to fix the clamp.

Referring to fig. 3 and fig. 8 in combination, as an embodiment of the present utility model, two sides of the guide seat 1 are respectively provided with a fixing plate 14, wherein the fixing plate 14 and the guide seat 1 are integrally disposed.

In the above-mentioned scheme, offer the screw hole on the fixed plate 14, wherein screw is equipped with the screw in the screw hole, be used for fixing guide holder 1 on anchor clamps tray 15 through the screw, then rotate rotatory handle 4, make it drive knob 3 anticlockwise rotatory 90 back and fall into guide way 7, loosen rotatory handle 4, under compression spring 10's elasticity effect, promote round pin axle 2 and outwards stretch out from mounting hole 6 and fix anchor clamps tray 15 and workstation, can play the compaction effect to round pin axle 2 through compression spring 10 and knob 3, prevent round pin axle 2 break away from in the mounting hole 6.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims

1. An anti-drop locating pin structure comprises a guide seat (1); the device is characterized in that a pin shaft (2) is arranged below the guide seat (1), and a knob (3) is arranged above the guide seat (1); a rotary handle (4) is arranged above the knob (3), wherein the rotary handle (4) is fixedly connected with the knob (3) through a handle fixing piece (5); a mounting hole (6) is formed above the guide seat (1), and guide grooves (7) are symmetrically formed on two side edges of the mounting hole (6); the guide groove (7) is vertically arranged, and the guide groove (7) is communicated with the mounting hole (6); the pin shaft (2) is arranged in the mounting hole (6), wherein the lower end of the pin shaft (2) downwards penetrates through the bottom of the guide seat (1) and downwards extends, and an external thread (8) is formed on the outer wall of the upper end of the pin shaft (2); the knob (3) is arranged above the pin shaft (2), and two side edges of the knob (3) are respectively inserted into the guide grooves (7); an internal threaded hole (9) is formed in the bottom of the knob (3), and the internal threaded hole (9) is in threaded connection with an external thread (8) at the upper end of the pin shaft (2); a compression spring (10) is arranged in the mounting hole (6), wherein the compression spring (10) is arranged outside the pin shaft (2) and the knob (3).

2. The anti-drop locating pin structure according to claim 1, wherein the pin shaft (2) is provided with a limit stop (11), and the limit stop (11) is arranged in the mounting hole (6).

3. An anti-drop locating pin arrangement according to claim 2, characterized in that the diameter of the limit stop (11) is smaller than the inner diameter of the mounting hole (6).

4. The anti-drop locating pin structure according to claim 1, wherein a spring baffle plate (12) is arranged above the guide seat (1), and the spring baffle plate (12) is symmetrically arranged at two sides of the mounting hole (6).

5. The anti-drop locating pin structure according to claim 1, wherein the lower end of the compression spring (10) is abutted against the limit stop (11), and the top end of the compression spring (10) is abutted against the inner wall of the spring baffle plate (12).

6. The anti-drop locating pin structure according to claim 4, wherein the spring baffle plate (12) is fixedly connected with the guide seat (1) through an inner hexagonal countersunk head screw, and a clamping groove (13) is formed above the spring baffle plate (12).

7. The anti-drop locating pin structure according to claim 1, wherein the two sides of the guide seat (1) are respectively provided with a fixed plate (14), and the fixed plates (14) and the guide seat (1) are integrally arranged.