CN117685279A - Angle-adjustable positioning pin - Google Patents

Abstract

The application discloses angle-adjustable locating pin relates to the field of locating pins, and the locating pin comprises a fixed end and a movable end movably arranged at one side of the fixed end, wherein a threaded part is formed at one side of the fixed end away from the movable end, and a nut is arranged on the threaded part of the fixed end; the movable end is rotatably connected to the fixed end, and a locking piece for locking the movable end is arranged on the fixed end. The adjusting and changing of the angle of the locating pin is realized, and the applicability of the locating pin is improved.

Description

Angle-adjustable positioning pin

Technical Field

The application relates to the field of locating pins, in particular to an angle-adjustable locating pin.

Background

The positioning pin is mainly an object which can always limit the freedom degree of an object, and is widely applied to the fields of automobile manufacturing industry, mechanical manufacturing and processing industry, electronic manufacturing industry, aerospace and the like.

The locating pins can be divided into four types according to different structures: small locating pins, fixed locating pins, replaceable locating pins and locating pins. The small positioning pin is generally a positioning pin for an electronic component mounting hole with the diameter of less than phi 3, is generally used for positioning operation of a circuit board, and can realize operations such as assembly, detection and test of electronic components such as a semiconductor and the like; the fixed positioning pin is generally used between screws fastened between two parts, so that the position accuracy is ensured; the replaceable positioning pin is mainly used for the conditions that the workpiece is frequently assembled and disassembled and the positioning precision is easy to wear and lose; the positioning bolt is mainly used between two objects to enable the two workpieces to be opened and closed.

At present, most of locating pins inside some devices are of an integrated structure, one end of each locating pin penetrates through a plate surface to be locked by a nut, and after the locating pins are locked, if the locating angle is required to be adjusted, the nuts are required to be detached, and after the position of the locating pins is adjusted, the locating pins are fixed again. However, in some small-sized devices, the nut is inconvenient to assemble and disassemble due to the limitation of the position of the end surface opening and the position of other devices inside, and the angle of the positioning pin cannot be adjusted.

Disclosure of Invention

In order to achieve adjustment and change of the angle of the locating pin, applicability is improved, and the locating pin with the adjustable angle is provided.

The application provides an angularly adjustable locating pin adopts following technical scheme:

the angle-adjustable positioning pin comprises a fixed end and a movable end movably arranged at one side of the fixed end, wherein a threaded part is formed at one side of the fixed end away from the movable end, and a nut is arranged on the threaded part of the fixed end; the movable end is rotatably connected to the fixed end, and a locking piece for locking the movable end is arranged on the fixed end.

Through adopting above-mentioned technical scheme, the stiff end passes the face, utilizes the nut locking, can realize the fixed of this locating pin, when needs to adjust the change to the locating angle of locating pin, rotates the expansion end to suitable angle, utilizes the locking piece to lock the expansion end afterwards, when inconvenient dismouting to the nut, only need rotate the expansion end and can realize the regulation of locating angle, the suitability is stronger.

Preferably, one side that the stiff end is close to the stiff end is formed with the connecting portion of being connected with the stiff end, the stiff end is located connecting portion department circumference array and has a plurality of L type spouts, L type spout includes vertical portion and horizontal part, the vertical portion of L type spout is unanimous with the length direction of stiff end, the spliced eye has been seted up to one side that the stiff end is close to the stiff end, connecting portion and spliced eye grafting cooperation, the stiff end is located the spliced eye and is provided with a plurality of connecting blocks, the quantity of connecting block is equal to or less than the quantity of L type spout, connecting block and L type spout slide the cooperation, works as when the connecting block slides to the horizontal part of L type spout, the retaining member locks the connecting block.

Through adopting above-mentioned technical scheme, when stiff end and expansion end are connected, the connecting portion is pegged graft into in the spliced eye, and the connecting block slides in corresponding L type spout simultaneously, and when the connecting block slided to the horizontal part of L type spout, rotate the expansion end, can make the connecting block slide in horizontal part, later lock the connecting block through the retaining member, can realize the connection between expansion end and the stiff end and fix; when the positioning angle of the positioning pin needs to be adjusted, the movable end is withdrawn, so that the connecting block is in butt joint with different L-shaped sliding grooves, and the adjustment of the positioning angle can be realized.

Preferably, the movable end is provided with a first accommodating hole, the first accommodating hole is located at the lower side of the inserting hole and is communicated with the inserting hole, the aperture of the first accommodating hole is smaller than that of the inserting hole, the movable end is located in the first accommodating hole and is provided with a first spring, one end of the first spring is in butt joint with the connecting part of the fixed end, and the other end of the first spring is connected with the bottom of the first accommodating hole.

By adopting the technical scheme, in the process of connecting the fixed end and the movable end, the connecting part of the fixed end is abutted with the first spring, the first spring is compressed, the fixed end and the movable end are fixed, and the first spring is in a compressed state, so that the connection between the fixed end and the movable end is more stable; and when the movable end is disassembled, the movable end can be quickly ejected out under the action of the first spring.

Preferably, the fixed end is located the connecting portion and has seted up the hole that slides, the fixed end is located the downthehole slippage that slides and has had the piece that slides, the retaining member sets up to the limit piece, the stopper sets up on the piece that slides, the fixed end is located the inner wall of the hole of sliding and has seted up the groove that slides, the stopper slides in the inslot that slides, the lower extreme in the groove that slides communicates with the horizontal part of L type spout, be provided with the driving piece that the drive slides on the fixed end.

Through adopting above-mentioned technical scheme, after stiff end and expansion end are connected, through driving piece drive slip board in the downthehole slip that slides, the stopper slides in the groove that slides simultaneously until the stopper slides to the horizontal part department of L type spout, the tip of stopper cooperation L type spout horizontal part presss from both sides the connecting block tight in horizontal part department this moment, realizes the fixed to expansion end and stiff end promptly.

Preferably, the driving piece is set to the handle, the movable groove has been seted up on the lateral wall of stiff end, the handle rotates in the movable groove, the axis of rotation direction of handle is parallel with the slip direction of sliding block, the handle tip is formed with first wedge, the second wedge has been seted up on the sliding block, first wedge and second wedge butt.

Through adopting above-mentioned technical scheme, rotate the handle in the movable groove, under the effect of first wedge face and second wedge face, the sliding block descends in the downthehole slip that slides, and the stopper gets into the horizontal part department of L type spout and realizes spacing action.

Preferably, the stiff end is located the connecting portion and has seted up the second accommodation hole, the second accommodation hole is located the downside of hole of sliding and communicates with the hole of sliding, the aperture of second accommodation hole is less than the aperture of hole of sliding, the stiff end is located the second and is provided with the second spring in the accommodation hole, the one end and the sliding block butt of second spring, the other end and the hole bottom butt of second accommodation hole of second spring.

By adopting the technical scheme, when the fixed end and the movable end are locked, the sliding block descends, the second spring is compressed at the moment, and when the limiting block moves to the horizontal part of the L-shaped groove, the handle is pressed on the upper side of the sliding block, so that the positioning of the position of the sliding block is realized; when the handle is reversely rotated, the first wedge-shaped surface and the second wedge-shaped surface of the handle are gradually abutted, the sliding block rapidly rises under the action of the second spring, the locking of the connecting block is released, and the separation between the fixed end and the movable end can be realized.

Preferably, the movable groove is in a fan shape, and two side walls of the movable groove limit the handle.

Through adopting above-mentioned technical scheme, be fan-shaped with the movable groove setting, when the handle rotates to with one lateral wall butt in movable groove, for the locking state to the connecting block, when the handle rotate to with another lateral wall butt in movable groove, for the state of releasing the locking to the connecting block, the both sides lateral wall in movable groove restricts the turned angle of handle promptly, and the staff of being convenient for rotates.

Preferably, a flat washer is provided on the threaded portion of the fixed end.

Preferably, a spring washer is provided on the threaded portion of the fixed end, and the spring washer is located between the flat washer and the nut.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the angle of the locating pin can be easily adjusted by utilizing the different L-shaped sliding grooves on the movable end, the connecting block and the fixed end to be inserted and slipped and then locking the locating pin by utilizing the locking piece, and the adjustment of the locating angle can be realized without disassembling and assembling the nut, so that the applicability is stronger;

2. the limiting block slides in the sliding groove by utilizing the matching of the first wedge-shaped surface and the second wedge-shaped surface, when the movable end needs to be locked, the limiting block slides to the horizontal part of the L-shaped sliding groove, and the connecting block is limited at the horizontal part of the L-shaped sliding groove, so that the movable end is locked; when the positioning angle needs to be adjusted, the connecting block slides out of the horizontal part of the L-shaped chute, and unlocking of the movable end can be achieved.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic diagram of an explosion structure of an embodiment of the present application, mainly showing the structures of the connection portion and the plugging hole;

FIG. 3 is a schematic view of the overall structure of the fixed end in the embodiment of the present application, mainly showing the structure of the L-shaped chute;

fig. 4 is a schematic cross-sectional structural view of the movable end in the embodiment of the present application, mainly showing the structure of the connection block;

FIG. 5 is a schematic cross-sectional view of a fixed end in an embodiment of the present application, mainly showing the structures of a sliding groove and a sliding block;

fig. 6 is a schematic diagram of a locking state of the stopper in the embodiment of the present application.

Reference numerals: 1. a fixed end; 11. a threaded portion; 12. a nut; 13. a flat gasket; 14. a spring washer; 2. a movable end; 21. a positioning surface; 3. a connection part; 4. an L-shaped chute; 41. a vertical portion; 42. a horizontal portion; 5. a plug hole; 51. a connecting block; 6. a first accommodation hole; 61. a first spring; 7. a first abutment surface; 8. a slip hole; 81. a slip groove; 9. a sliding block; 91. a limiting block; 92. a second wedge surface; 10. a handle; 101. a first wedge surface; 20. a movable groove; 30. a second accommodation hole; 301. a second abutment surface; 40. and a second spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses an angle-adjustable locating pin.

Referring to fig. 1, the angle-adjustable positioning pin comprises a fixed end 1 and a movable end 2 movably arranged at one side of the fixed end 1, wherein a positioning surface 21 is formed on the movable end 2 and is used for positioning a required connecting object; a threaded part 11 is formed on one side of the fixed end 1 far away from the movable end 2, a nut 12 is connected to the threaded part 11 in a threaded mode on the fixed end 1, a flat washer 13 and a spring washer 14 are further sleeved on the threaded part 11 of the fixed end 1, and the spring washer 14 is located between the flat washer 13 and the nut 12.

Referring to fig. 1, 2 and 3, a connecting portion 3 is formed on one side of a fixed end 1, which is close to a movable end 2, the connecting portion 3 is cylindrical, a plurality of L-shaped sliding grooves 4 are formed in the position, located at the connecting portion 3, of the fixed end 1, all the L-shaped sliding grooves 4 are distributed in a circumferential array, each L-shaped sliding groove 4 is composed of a vertical portion 41 and a horizontal portion 42, the length direction of the vertical portion 41 is consistent with the length direction of the connecting portion 3, and the horizontal portion 42 is arc-shaped and is adapted to the arc surface of the connecting portion 3.

Referring to fig. 2 and 4, a plug hole 5 is formed on one side, close to the fixed end 1, of the movable end 2, the connecting portion 3 of the fixed end 1 is in plug fit with the plug hole 5 of the movable end 2, a connecting block 51 is integrally formed on the inner wall of the plug hole 5 of the movable end 2, and the number of the connecting blocks 51 is equal to or less than that of the L-shaped sliding grooves 4, and in the application, description is given by taking the same number of the connecting blocks 51 and the L-shaped sliding grooves 4 as an example. In the process of inserting the connecting part 3 and the inserting hole 5, the connecting block 51 and the L-shaped chute 4 are inserted and matched in a sliding manner, when the connecting block 51 moves to the turning position of the L-shaped chute 4, the movable end 2 rotates relative to the fixed end 1, and at the moment, the connecting block 51 slides on the horizontal part 42 of the L-shaped chute 4. The fixed end 1 is provided with a locking member for locking the connection block 51.

The connecting block 51 slides along the path of the L-shaped chute 4 until sliding to the end wall of the horizontal part 42 of the L-shaped chute 4, and the locking piece locks the connecting block 51, so that the locking between the fixed end 1 and the movable end 2 can be realized; when the positioning angle needs to be adjusted and changed, the locking piece is utilized to unlock the movable end 2, so that the connecting block 51 is matched with different L-shaped sliding grooves 4, the angle of the positioning surface 21 of the movable end 2 can be changed, and the positioning angle of the positioning pin can be adjusted.

The movable end 2 is internally provided with a first accommodating hole 6, the first accommodating hole 6 is positioned at the lower side of the inserting hole 5 and is communicated with the inserting hole 5, the aperture of the first accommodating hole 6 is smaller than that of the inserting hole 5, namely, a first abutting surface 7 is formed at the positions of the first accommodating hole 6 and the inserting hole 5, and the connecting part 3 of the fixed end 1 is inserted into the inserting hole 5 and finally abuts against the first abutting surface 7. The movable end 2 is positioned in the first accommodating hole 6 and is provided with a first spring 61, one end of the first spring 61 is connected with the bottom of the first accommodating hole 6, and the other end is abutted with the connecting part 3. In the gradual matching process of the movable end 2 and the fixed end 1, the connecting part 3 is abutted against the first spring 61, the first spring 61 is compressed, when the positioning angle is changed, only the movable end 2 is required to be rotated, the connecting block 51 is positioned in the vertical part 41 of the L-shaped chute 4, and under the abutting action between the first spring 61 and the connecting part 3, the movable end 2 can be easily ejected from the fixed end 1.

Referring to fig. 3, 5 and 6, the fixed end 1 is located the connecting portion 3 and has been seted up the hole 8 that slides, the fixed end 1 is located the hole 8 that slides and has the slider 9, slider 9 is cylindricly, the retaining member sets up to limit the piece 91, the quantity of stopper 91 is the same with the quantity of L type spout 4, stopper 91 integrated into one piece is on slider 9, and all stopper 91 circumference arrays are in the week side of slider 9, a plurality of sliding grooves 81 have been seted up on the fixed end 1 is located the inner wall of hole 8 that slides, the quantity of sliding grooves 81 and the quantity of stopper 91 are the same and both one-to-one, and all sliding grooves 81 and all L type spouts 4 one-to-one. The length direction of the sliding groove 81 is consistent with the length direction of the vertical part 41 of the L-shaped sliding groove 4, and the lower end of the sliding groove 81 is communicated with the corresponding horizontal part 42 of the L-shaped sliding groove 4. The fixed end 1 is provided with a driving piece for driving the sliding block 9 to slide.

When the connecting block 51 of the movable end 2 slides to the end wall of the horizontal part 42 along the track of the L-shaped sliding groove 4, the driving piece drives the sliding block 9 to slide downwards, so that the limiting block 91 slides in the sliding groove 81 until moving to the horizontal part 42 of the L-shaped sliding groove 4, the limiting block 91 cooperates with the end wall of the horizontal part 42 of the L-shaped sliding groove 4 to clamp the connecting block 51 therebetween, so that the locking of the connecting block 51 is realized, namely the locking of the movable end 2 is realized, and otherwise, the locking of the movable end 2 can be released.

The driving piece is set to handle 10, has offered fan-shaped movable groove 20 on the stiff end 1, and the fan-shaped plane of movable groove 20 is perpendicular with the slip direction of sliding block 9, and the less mouth of movable groove 20 communicates with the hole of sliding 8, and handle 10 rotates to slide in movable groove 20, and the axis direction of rotation of handle 10 is parallel with the slip direction of sliding block 9, and in the one end of handle 10 stretched into the hole of sliding 8, and the tip is formed with first wedge face 101, is formed with second wedge face 92 on the sliding block 9, first wedge face 101 and second wedge face 92 butt.

The stiff end 1 is located the connecting portion 3 and has seted up the second accommodation hole 30, the second accommodation hole 30 is located the downside of sliding hole 8 and communicates with sliding hole 8, the aperture of second accommodation hole 30 is less than the aperture of sliding hole 8, stiff end 1 is formed with second butt face 301 in the intercommunication department of second accommodation hole 30 and sliding hole 8, stiff end 1 is located the second accommodation hole 30 and is equipped with second spring 40, the one end and the hole bottom of second accommodation hole 30 of second spring 40 are connected, the other end and the bottom butt of sliding block 9.

In practice, the handle 10 is turned, under the action of the first wedge-shaped surface 101 and the second wedge-shaped surface 92, the sliding block 9 slides in the sliding hole 8, and the second spring 40 is compressed until the sliding block 9 is abutted with the second abutting surface 301, and at this time, the handle 10 is provided with a limiting block 91 at the horizontal part 42 of the L-shaped chute 4, so that the movable end 2 is locked; when the positioning angle needs to be adjusted, the handle 10 is reversed, the sliding block 9 slides under the action of the second spring 40, the first wedge-shaped surface 101 is attached to the second wedge-shaped surface 92, and unlocking of the movable end 2 is achieved.

In addition, the movable slot 20 is fan-shaped, both side walls of the movable slot 20 limit the handle 10, when the handle 10 rotates to be in contact with one side wall of the movable slot 20, the handle is in a locking state for the connecting block 51, and when the handle 10 rotates to be in contact with the other side wall of the movable slot 20, the handle is in a unlocking state for the connecting block 51, namely, both side walls of the movable slot 20 limit the rotation angle of the handle 10, so that the handle is convenient for a worker to rotate.

The implementation principle of the angle-adjustable positioning pin in the embodiment of the application is as follows: the fixed end 1 passes through the end face of a preformed hole of the equipment and is locked and fixed by a flat washer 13, a spring washer 14 and a nut 12; according to the required angle, the connecting block 51 in the movable end 2 is inserted and slipped with the corresponding L-shaped chute 4, and when the connecting part 3 of the fixed end 1 is abutted with the first abutting surface 7, the movable end 2 is rotated, so that the connecting block 51 enters the horizontal part 42 of the L-shaped chute 4; the toggle handle 10 is driven by the first wedge-shaped surface 101 and the second wedge-shaped surface 92 to descend the sliding block 9, so that the limiting block 91 enters the horizontal part 42 which enters the L-shaped chute 4 from the sliding groove 81, and the locking of the connecting block 51, namely the locking of the movable end 2, is realized; when the angle of the locating pin is required to be adjusted, the handle 10 is reversed, the handle 10 drives the limiting block 91 to rise under the action of the second spring 40, the limiting block 91 is separated from the horizontal portion 42 of the L-shaped sliding groove 4, the movable end 2 is rotated at the moment, the connecting block 51 is rotated to the vertical portion 41 along the horizontal portion 42 of the L-shaped sliding groove 4, the movable end 2 is separated from the fixed end 1 under the action of the first spring 61, then the connecting block 51 of the movable end 2 is matched with different L-shaped sliding grooves 4, the angle of the locating surface 21 of the movable end 2 can be switched, and in this way, the locating angle of the locating pin can be changed under the condition of inconvenient disassembly of the nut 12, so that the applicability is stronger.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. An angularly adjustable locating pin, its characterized in that: the novel nut comprises a fixed end (1) and a movable end (2) movably arranged at one side of the fixed end (1), wherein a threaded part (11) is formed at one side of the fixed end (1) far away from the movable end (2), and a nut (12) is arranged on the threaded part (11) of the fixed end (1); the movable end (2) is rotatably connected to the fixed end (1), and a locking piece for locking the movable end (2) is arranged on the fixed end (1).

2. An angularly adjustable dowel according to claim 1, characterized in that: the utility model provides a connecting piece, including fixed end (1), connecting portion (3) that one side that fixed end (1) is close to movable end (2) is formed with and movable end (2) is connected, fixed end (1) is located connecting portion (3) department circumference array and has a plurality of L type spout (4), L type spout (4) are including vertical portion (41) and horizontal portion (42), vertical portion (41) of L type spout (4) are unanimous with the length direction of fixed end (1), spliced eye (5) have been seted up to one side that movable end (2) is close to fixed end (1), connecting portion (3) are pegged graft with spliced eye (5), movable end (2) are provided with a plurality of connecting blocks (51) in spliced eye (5), the quantity of connecting block (51) is equal to or less than the quantity of L type spout (4), connecting block (51) slide the cooperation with L type spout (4), when connecting block (51) to horizontal portion (42) of L type spout (4), the retaining member is locked that slides connecting block (51).

3. An angularly adjustable dowel according to claim 2, characterized in that: the novel plug connector is characterized in that a first accommodating hole (6) is formed in the movable end (2), the first accommodating hole (6) is located at the lower side of the plug hole (5) and is communicated with the plug hole (5), the aperture of the first accommodating hole (6) is smaller than that of the plug hole (5), a first spring (61) is arranged in the movable end (2) located in the first accommodating hole (6), one end of the first spring (61) is abutted to the connecting portion (3) of the fixed end (1), and the other end of the first spring (61) is connected with the bottom of the first accommodating hole (6).

4. An angularly adjustable dowel according to claim 2, characterized in that: the utility model discloses a sliding block type sliding device, including connecting portion (3) and fixed end (1), fixed end (1) is located and has offered sliding hole (8) in connecting portion (3), fixed end (1) is located sliding hole (8) and has slided piece (9), the retaining member sets up to limit piece (91), stopper (91) set up on sliding piece (9), fixed end (1) are located and have offered sliding groove (81) on the inner wall of sliding hole (8), stopper (91) slide in sliding groove (81), the lower extreme of sliding groove (81) communicates with horizontal part (42) of L type spout (4), be provided with the driving piece that drive sliding piece (9) slided on fixed end (1).

5. An angularly adjustable dowel according to claim 4 and characterized in that: the driving piece is arranged to be a handle (10), a movable groove (20) is formed in the side wall of the fixed end (1), the handle (10) rotates in the movable groove (20), the rotation axis direction of the handle (10) is parallel to the sliding direction of the sliding block (9), a first wedge-shaped surface (101) is formed at the end part of the handle (10), a second wedge-shaped surface (92) is formed on the sliding block (9), and the first wedge-shaped surface (101) is in butt joint with the second wedge-shaped surface (92).

6. An angularly adjustable dowel according to claim 5 and characterized in that: the utility model discloses a connecting portion, including connecting portion (3) and fixed end (1), fixed end (1) is located connecting portion (3) and has seted up second accommodation hole (30), second accommodation hole (30) are located the downside of sliding hole (8) and with sliding hole (8) intercommunication, the aperture of second accommodation hole (30) is less than the aperture of sliding hole (8), fixed end (1) is located second accommodation hole (30) and is provided with second spring (40), the one end and the sliding block (9) butt of second spring (40), the other end and the hole bottom butt of second accommodation hole (30) of second spring (40).

7. An angularly adjustable dowel according to claim 5 and characterized in that: the movable groove (20) is in a fan shape, and two side walls of the movable groove (20) limit the handle (10).

8. An angularly adjustable dowel according to claim 1, characterized in that: a flat washer (13) is arranged on the threaded part (11) of the fixed end (1).

9. An angularly adjustable dowel according to claim 8 and characterized in that: a spring washer (14) is arranged on the threaded part (11) of the fixed end (1), and the spring washer (14) is positioned between the flat washer (13) and the nut (12).