CN217301172U

CN217301172U - Adjustable positioning pin

Info

Publication number: CN217301172U
Application number: CN202220187262.3U
Authority: CN
Inventors: 常铁刚; 常秀枝
Original assignee: Tianjin Pinguan Mould Manufacturing Co ltd
Current assignee: Tianjin Pinguan Mould Manufacturing Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-26
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a locating pin with adjustable, including the locating pin main part, fixed section, location section and direction section have set gradually in the locating pin main part, the location section sets up at a fixed section side, be provided with the cavity in the location section, the terminal surface all runs through and has seted up two thickening pieces about in the cavity, and upper and lower end is two be provided with the fixed block between the thickening piece, the lower extreme corresponds thickening piece respectively on the fixed block and is provided with two guide bars, every the part of placing the cavity in on the thickening piece is provided with the bottom block, the bottom block terminal surface is provided with two fixture blocks, two the interior angle end joint of fixture block is provided with the elastic rubber circle, a side end wiring of elastic rubber circle is provided with tightening mechanism. The utility model discloses satisfying the spare part that is suitable for different internal diameter specifications and connecting, having improved labor efficiency greatly, need not debug the personnel and carry out secondary machining, greatly reduced the expense and the debugging cycle of debugging.

Description

Adjustable positioning pin

Technical Field

The utility model relates to a relevant technical field of locating pin specifically is an adjustable locating pin.

Background

At present, a positioning pin is used as a common connecting fastener, generally participates in limiting the freedom degree of an object, has certain application in some mechanical motion equipment, is mainly used for determining the position of a two-dimensional space, and is used for positioning when a machine body is formed by connecting a plurality of parts, and each part needs to keep a precise position during processing and assembling.

However, positioning pins play a very heavy role in connection and fixation among a plurality of mechanical parts, and the positioning pins have different requirements on diameters due to different parts when in use, but the diameters of the existing positioning pins cannot be adjusted according to different requirements, and the positioning pins can be verified and used after being subjected to re-machining by debugging personnel, so that the labor efficiency is greatly reduced, and meanwhile, the debugging cost and the debugging period are increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locating pin with adjustable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable positioning pin comprises a positioning pin main body, wherein a fixing section, a positioning section and a guide section are sequentially arranged on the positioning pin main body, the positioning section is welded at one side end of the fixing section, a cavity is arranged in the positioning section, two thickening blocks are arranged in the cavity in a penetrating way at the upper end surface and the lower end surface, a fixing block is arranged between the two thickening blocks at the upper end and the lower end, two guide rods are arranged at the upper end and the lower end of the fixing block respectively corresponding to one thickening block, a bottom block is arranged at the part of each thickening block arranged in the cavity, the side end surface of the bottom block is in sleeved sliding arrangement with the two guide rods, two clamping blocks are arranged at the end surface of the bottom block, an elastic rubber ring is clamped at the inner angle end of the two clamping blocks, a tightening mechanism is arranged at one side end of the elastic rubber ring in a winding way, and a clamping frame is clamped at the outer part of the other side end of the elastic rubber ring, the guide section is arranged at the other side end of the positioning section, and the part of the guide section, which is arranged in the cavity, is fixedly combined and connected with the clamping frame in a welding way.

Preferably, tightening mechanism includes adjusting screw, just adjusting screw with the elastic rubber circle is around connecing the setting, the outside end welding is provided with the cross regulating plate on the adjusting screw, on the adjusting screw and the rear side portion is provided with the swivel mount in the cavity, the screw thread matching is provided with the pressure strip on the adjusting screw.

Preferably, the cross-shaped adjusting plate is arranged in a groove formed in the outer surface of the positioning section.

Preferably, the elastic rubber ring is annularly arranged at the inner corner end of the clamping blocks arranged on the inner sides of the four thickening blocks.

Preferably, the length of the adjusting screw is the same as the inner diameter of the cavity.

Preferably, a bearing is arranged inside the swivel mount and outside the adjusting screw.

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

1. the thickening block arranged at the outer side end of the positioning section and provided with the groove can meet the stable connection of parts with different inner diameter specifications under the traction action of the annular elastic rubber ring of the clamping combination at the rear side of the thickening block, and has a certain adjusting effect;

2. the utility model discloses the tightening mechanism who still sets up simultaneously, can use cross screwdriver reverse rotation cross regulating plate, the pressure strip that connects is revolved on until adjusting screw separates with the elastic rubber circle, and outwards stir the thickening piece, reuse cross screwdriver forward rotation cross regulating plate simultaneously, make the pressure strip that connects on the adjusting screw to be close to the elastic rubber circle of its solderless wrapped connection, until compressing tightly the elastic rubber circle, be used for playing the effect of tightening up the elastic rubber circle, be applicable to big internal diameter specification and size's spare part and connect.

Drawings

Fig. 1 is a schematic view of the overall structure of an adjustable positioning pin of the present invention;

FIG. 2 is a schematic view of the overall appearance structure of an adjustable positioning pin of the present invention;

fig. 3 is the utility model relates to a locating pin tightening mechanism relevant structure schematic diagram with adjustable.

In the figure: 1. a fixed section; 2. a positioning section; 3. a guide section; 4. a cavity; 5. thickening blocks; 6. a fixed block; 7. a guide bar; 8. a bottom block; 9. a clamping block; 10. an elastic rubber ring; 11. a tightening mechanism; 111. adjusting the screw rod; 112. a cross-shaped adjusting plate; 113. rotating; 114. a compression plate; 115. a bearing; 12. and (7) clamping the frame.

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: an adjustable positioning pin comprises a positioning pin main body, wherein a fixing section 1, a positioning section 2 and a guide section 3 are sequentially arranged on the positioning pin main body, the positioning section 2 is welded at one side end of the fixing section 1, a cavity 4 is arranged in the positioning section 2, two thickening blocks 5 are arranged in the cavity 4 in a penetrating way at the upper end and the lower end, a fixing block 6 is arranged between the two thickening blocks 5 at the upper end and the lower end, two guide rods 7 are respectively arranged at the upper end and the lower end of the fixing block 6 corresponding to one thickening block 5, a bottom block 8 is arranged at the part of each thickening block 5, which is arranged in the cavity 4, the side end surface of the bottom block 8 is connected with the two guide rods 7 in a sleeved and sliding installation manner, two clamping blocks 9 are arranged at the end surface of the bottom block 8, an elastic rubber ring 10 is installed at the inner corner end of each clamping block 9 in a clamping manner, a tightening mechanism 11 is installed at one side end of the elastic rubber ring 10 in a winding manner, and a clamping frame 12 is installed at the outer part of the other side end of the elastic rubber ring 10 in a clamping manner, the guide section 3 is arranged at the other side end of the positioning section 2, and the part of the guide section 3 arranged in the cavity 4 is fixedly combined and connected with the clamping frame 12 in a welding way.

The tightening mechanism 11 comprises an adjusting screw 111, the adjusting screw 111 and the elastic rubber ring 10 are wound and installed, a cross-shaped adjusting plate 112 is welded and installed at the outer side end of the adjusting screw 111, a rotary seat 113 is installed on the adjusting screw 111 and at the rear side part in the cavity 4, and a pressing plate 114 is installed on the adjusting screw 111 in a threaded matching manner; the cross-shaped adjusting plate 112 is arranged in a groove formed in the outer surface of the positioning section 2; the elastic rubber ring 10 is annularly arranged at the inner corner end of the fixture block 9 arranged at the inner sides of the four thickening blocks 5; the length of the adjusting screw 111 is the same as the inner diameter of the cavity 4; a bearing 115 is mounted inside the swivel mount 113 and outside the adjusting screw 111.

The working principle is as follows: when the utility model is used, the positioning pin main body is inserted and placed on two parts to be connected through the guide section 3, because the thickening block 5 arranged at the outer side end of the positioning section 2 in a groove way can satisfy the stable connection of the parts with different inner diameter specifications under the drawing action of the annular elastic rubber ring 10, when the thickening block 5 and the positioning section 2 can not satisfy the inner diameter dimension of the parts to be installed, the cross-shaped adjusting plate 112 can be reversely rotated by the cross-shaped screwdriver until the pressing plate 114 screwed on the adjusting screw 111 is separated from the elastic rubber ring 10 and the thickening block 5 is outwards stirred, and the cross-shaped adjusting plate 112 is forwardly rotated by the cross-shaped screwdriver again, so that the pressing plate 114 screwed on the adjusting screw 111 is close to the elastic rubber ring 10 wound on the adjusting screw 111 until the elastic rubber ring 10 is pressed, thereby playing the role of tightening the elastic rubber ring 10, the connecting device is suitable for connecting parts with large inner diameter specifications and sizes, and has the advantages of simple operation, convenient use and good use effect.

It is noted that, herein, relational terms such as first and second, and the like may be 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 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

1. The utility model provides a locating pin with adjustable, includes the locating pin main part, its characterized in that: the locating pin comprises a locating pin main body, and is characterized in that a fixing section (1), a locating section (2) and a guide section (3) are sequentially arranged on the locating pin main body, the locating section (2) is welded at one side end of the fixing section (1), a cavity (4) is arranged in the locating section (2), two thickening blocks (5) are arranged on the upper end surface and the lower end surface in the cavity (4) in a penetrating manner, a fixed block (6) is arranged between the two thickening blocks (5) at the upper end and the lower end surface, two guide rods (7) are respectively arranged at the upper end and the lower end of the fixed block (6) corresponding to one thickening block (5), a bottom block (8) is arranged at the part of each thickening block (5) which is arranged in the cavity (4), the side end surface on the bottom block (8) is connected with the two guide rods (7) in a sleeved and sliding manner, two clamping blocks (9) are arranged on the end surface of the bottom block (8), and an elastic rubber ring (10) is arranged at the inner angle end of the two clamping blocks (9) in a clamped manner, one side end of elastic rubber circle (10) is provided with tightening mechanism (11) around connecing, the outside joint of another side of elastic rubber circle (10) is provided with card frame (12), direction section (3) set up the another side of location section (2), the part of putting in cavity (4) on direction section (3) with card frame (12) welded fastening built-up connection.

2. An adjustable locating pin according to claim 1, wherein: tightening mechanism (11) include adjusting screw (111), just adjusting screw (111) with elastic rubber circle (10) wraparound sets up, outside end welding is provided with cross regulating plate (112) on adjusting screw (111), adjusting screw (111) are gone up and the posterolateral part is provided with swivel mount (113) in cavity (4), screw thread matching is provided with pressure strip (114) on adjusting screw (111).

3. An adjustable locating pin according to claim 2, wherein: the cross-shaped adjusting plate (112) is arranged in a groove formed in the outer surface of the positioning section (2).

4. An adjustable locating pin according to claim 1, wherein: the elastic rubber ring (10) is annularly arranged at the inner corner end of the clamping block (9) arranged on the inner sides of the four thickening blocks (5).

5. An adjustable locating pin according to claim 2, wherein: the length of the adjusting screw rod (111) is the same as the inner diameter of the cavity (4).

6. An adjustable locating pin according to claim 2, wherein: a bearing (115) is arranged in the rotary seat (113) and outside the adjusting screw rod (111).