CN218347725U - Heavy-load spring positioning pin - Google Patents

Abstract

The utility model discloses a heavy load spring locating pin, the installation structure comprises a sleeve, the inside upper end activity block of sleeve is provided with the movable block, the fixed locating pin that is provided with in movable block upper end, locating pin outside surface is provided with supports adjustment mechanism, it includes first screw thread, support ring to support adjustment mechanism, first screw thread has been seted up on locating pin outside surface, locating pin outside surface closes soon through first screw thread activity and is provided with the support ring, the sleeve is inside to be provided with the spring at the movable block lower extreme. The utility model discloses excellent in use effect through the mounting hole of the fixed work piece of locating pin length adaptation, prevents that fixed work piece from rocking, then carries out the atress through the support ring, and the support ring position comparatively is close to the movable block, and according to lever principle this moment, the stress point is more nearly the lever and is shorter the locating pin position more difficult to the bending more apart from the position of movable block, so can make the device can adapt to the heavy load and use.

Description

Heavy-load spring positioning pin

Technical Field

The utility model relates to a spring locating pin technical field specifically is a heavy load spring locating pin.

Background

The positioning pin is often used in process assembly, the spatial position of a workpiece is positioned through a through hole or an edge, subsequent welding, processing or assembly reference unification is facilitated, the positioning pin needs to play a role in blocking and limiting when the workpiece is displaced after the workpiece is fixed, stress is often needed during processing, sometimes the positioning pin can receive large force, for example, when a heavy workpiece is vertically fixed, the gravity of the workpiece needs to be overcome, at the moment, a movable rod of the positioning pin needs to overcome the large force to play a heavy-load role, the positioning pin in the prior art is a movable rod, meanwhile, according to a Chinese patent with the application number of 202122176156.3, the positioning pin 3 is not designed to have a corresponding structure capable of playing a heavy load when the positioning pin is used, so that the positioning pin 3 is bent, the positioning pin 3 is unsmooth in the sleeve and needs to be frequently replaced, meanwhile, an internal spring of the heavy-load positioning pin is easy to fatigue when the positioning pin is used and often needs to be replaced, and a structure capable of adjusting the spring ejection position after the spring fatigue is not designed in the application file, and the distance and the speed are guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heavy load spring locating pin to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a heavy load spring locating pin, includes the sleeve, the inside upper end activity block of sleeve is provided with the movable block, the fixed locating pin that is provided with in movable block upper end, locating pin outside surface is provided with supports adjustment mechanism, it includes first screw thread, support ring to support adjustment mechanism, first screw thread has been seted up on locating pin outside surface, locating pin outside surface closes soon through first screw thread activity and is provided with the support ring, the sleeve is inside to be provided with the spring at the movable block lower extreme.

Preferably, the inside lower extreme of sleeve is provided with the tight mechanism in top, the tight mechanism in top includes second screw thread, extrusion piece, the second screw thread has been seted up on the inside lower extreme outside surface of sleeve, the sleeve is inside to close soon through the activity of second screw thread and is provided with the extrusion piece, can extrude the spring as required when the spring is tired not hard up through the extrusion piece to after the spring is tired, carry out a little tight in top to the spring position, guarantee that locating pin pop-out distance and pop-out speed can maintain normally, thereby can reduce the change frequency of spring.

Preferably, the fixed stabilizing block that is provided with of sleeve outside surface can improve telescopic stability through the stabilizing block to the sleeve takes place to buckle when can preventing the heavy load atress.

Preferably, the outer side surface of the stabilizing block is provided with a fixing hole, and the device can be conveniently and integrally fixedly installed at a target position through the fixing hole.

Preferably, the support ring is made of hard rubber materials, the support ring made of hard rubber materials can be deformed conveniently when supporting and being extruded, so that the contact area between the support ring and a workpiece can be increased, the pressure can be reduced, the positioning pin can be protected, and at the moment, the rigid support is made for the positioning pin, so that the fixed support positioning effect of the device cannot be reduced even if the support ring is easy to deform.

Preferably, the cross recess has been seted up to extrusion piece lower extreme outside surface, can conveniently rotate the extrusion piece through the screwdriver through the cross recess to can extrude the spring, can also pull down the extrusion piece from the inside lower extreme of sleeve, thereby can conveniently carry out the split to spring, movable block, fixed pin and conveniently change.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a locating pin self length can adapt to the mounting hole of fixed work piece, prevent that fixed work piece from rocking, and carry out the atress through the support ring, and the support ring position comparatively is close to the movable block, according to the lever principle this moment, the closer the lever of stress point distance movable block's position is more difficult to the bending more, so can make the device adapt to the heavy load and use, and the support ring can be adjusted according to the degree of depth in fixed work piece hole, only need rotate the support ring during regulation, can drive the support ring through first screw and remove.

2. The utility model discloses can extrude the spring as required through the extrusion piece when the spring is tired not hard up during the use to after the spring is tired, carry out a little tight in top to the spring position, guarantee that locating pin pop-up distance and pop-up speed can maintain normally, thereby can reduce the change frequency of spring.

3. The utility model discloses because the existence of second screw thread can be pulled down the extrusion piece from the inside lower extreme of sleeve to can conveniently carry out the split to spring, movable block, fixed pin and conveniently change.

Drawings

Fig. 1 is a schematic view of the overall structure of a heavy-duty spring positioning pin of the present invention;

fig. 2 is a sectional view of the heavy-duty spring positioning pin of the present invention;

fig. 3 is the utility model relates to a bottom view of heavy load spring locating pin.

In the figure: 1. a sleeve; 2. a movable block; 3. positioning pins; 4. a first thread; 5. a support ring; 6. a spring; 7. a second thread; 8. extruding the block; 9. a stabilization block; 10. a fixing hole; 11. a cross-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a heavy load spring locating pin, includes sleeve 1, 1 inside upper end activity block of sleeve is provided with movable block 2, 2 fixed locating pins 3 that are provided with in upper end of movable block, 3 outside surfaces of locating pin are provided with supports adjustment mechanism, it includes first screw thread 4, support ring 5 to support adjustment mechanism, first screw thread 4 has been seted up on 3 outside surfaces of locating pin, 3 outside surfaces of locating pin close soon through the activity of first screw thread 4 and are provided with support ring 5, 1 inside is provided with spring 6 at 2 lower extremes of movable block.

The lower end in the sleeve 1 is provided with a jacking mechanism, the jacking mechanism comprises a second thread 7 and an extrusion block 8, the second thread 7 is arranged on the surface of the outer side of the lower end in the sleeve 1, the extrusion block 8 is movably screwed in the sleeve 1 through the second thread 7, and the spring 6 can be extruded according to needs when the spring 6 is fatigue and loose through the extrusion block 8, so that the position of the spring 6 is slightly jacked after the spring 6 is fatigue, the ejection distance and the ejection speed of the positioning pin 3 can be kept normal, and the replacement frequency of the spring 6 can be reduced;

the outer side surface of the sleeve 1 is fixedly provided with a stabilizing block 9, and the stability of the sleeve 1 can be improved through the stabilizing block 9, so that the sleeve 1 can be prevented from being bent when a heavy load is stressed;

the outer side surface of the stabilizing block 9 is provided with a fixing hole 10, and the device can be conveniently and integrally fixed at a target position through the fixing hole 10;

the supporting ring 5 is made of hard rubber materials, and the supporting ring 5 made of hard rubber materials can be conveniently deformed when supporting and being extruded, so that the contact area between the supporting ring 5 and a workpiece can be increased, the pressure intensity can be reduced, and the positioning pin 3 can be protected, and at the moment, because the positioning pin 3 is rigidly supported, the fixed supporting and positioning effect of the device cannot be reduced even if the supporting ring 5 is easily deformed;

the cross recess 11 has been seted up to 8 lower extreme outside surfaces of extrusion piece, can conveniently rotate extrusion piece 8 through the screwdriver through cross recess 11 to can extrude spring 6, can also pull down extrusion piece 8 from 1 inside lower extreme of sleeve, thereby can conveniently carry out the split to spring 6, movable block 2, fixed pin and conveniently change.

The working principle is as follows: when the device is used, the positioning pin 3 can be inserted into a hole of a workpiece to fix the workpiece, the length of the positioning pin 3 can be adapted to a mounting hole of the fixed workpiece, the fixed workpiece is prevented from shaking, the supporting ring 5 is used for bearing force, the position of the supporting ring 5 is closer to the movable block 2, the position of the positioning pin 3 is less prone to bending when the position of a stress point is closer to the position of the movable block 2 than the lever according to the lever principle, so that the device can be suitable for heavy load to use, the supporting ring 5 can be adjusted according to the depth of the hole of the fixed workpiece, only the supporting ring 5 needs to be rotated during adjustment, the supporting ring 5 can be driven by the first threads 4 to move, the supporting ring 5 is made of hard rubber materials, the supporting ring 5 can be supported and extruded when being supported and extruded by the hard rubber materials, the deformation can be facilitated, the contact area with the workpiece can be increased, the pressure can be reduced, the protection effect on the positioning pin 3 can be achieved, the situation that the whole positioning pin 3 can be used for supporting and extruding the large area of the positioning pin 3 can be supported and extruded when the spring 6 is loosened by the spring can be conveniently used, the spring 6, the elastic device can be conveniently replaced by the elastic block 6, the elastic spring 6, the elastic device can be conveniently replaced by the elastic spring 6, and the elastic spring 6, the elastic device can be replaced by the elastic spring 6, and the elastic device can be conveniently replaced by the elastic device can be conveniently, this is the utility model relates to a theory of operation of heavy load spring locating pin.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a heavy load spring locating pin, includes sleeve (1), its characterized in that: the utility model discloses a locating pin, including sleeve (1), movable block (2), locating pin (3) outside surface, support adjustment mechanism and spring (6) are provided with movable block (2) to the inside upper end activity block of sleeve (1), fixed locating pin (3) that is provided with in movable block (2) upper end, locating pin (3) outside surface is provided with supports adjustment mechanism, it includes first screw thread (4), support ring (5) to support adjustment mechanism, first screw thread (4) have been seted up on locating pin (3) outside surface, locating pin (3) outside surface closes soon through first screw thread (4) activity and is provided with support ring (5), sleeve (1) inside is provided with spring (6) at movable block (2) lower extreme.

2. The heavy duty spring locator pin of claim 1 further comprising: the inner lower end of the sleeve (1) is provided with a jacking mechanism, the jacking mechanism comprises a second thread (7) and an extrusion block (8), the outer side surface of the inner lower end of the sleeve (1) is provided with the second thread (7), and the sleeve (1) is movably and rotatably provided with the extrusion block (8) through the second thread (7).

3. The heavy-duty spring locating pin of claim 1, wherein: the outer side surface of the sleeve (1) is fixedly provided with a stabilizing block (9).

4. A heavy duty spring locator pin according to claim 3 wherein: the outer side surface of the stabilizing block (9) is provided with a fixing hole (10).

5. The heavy duty spring locator pin of claim 1 further comprising: the support ring (5) is made of hard rubber materials.

6. A heavy duty spring locator pin according to claim 2 wherein: the outer side surface of the lower end of the extrusion block (8) is provided with a cross-shaped groove (11).

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