CN219045507U

CN219045507U - Positioning bolt

Info

Publication number: CN219045507U
Application number: CN202222553763.1U
Authority: CN
Inventors: 陆优明
Original assignee: Shanghai Qunli Fastener Manufacturing Co ltd
Current assignee: Shanghai Qunli Fastener Manufacturing Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-19
Anticipated expiration: 2032-09-26

Abstract

The application relates to a positioning bolt relates to the field of work pieces, and it includes the bolt head, adjust pole and fixed section of thick bamboo, the one end and the bolt head fixed connection of adjusting the pole, be provided with movable chamber in the fixed section of thick bamboo, adjust pole sliding connection in movable intracavity, the outer wall of fixed section of thick bamboo has been seted up and has been pressed the hole, sliding connection has the push plate in the push hole, be provided with first reset spring on the inner wall of fixed section of thick bamboo, first reset spring is close to the one end fixedly connected with fixture block of adjusting the pole, a plurality of fixed slots that can hold the fixture block have been seted up to the outer wall of adjusting the pole, the fixture block sets up in the offside of push plate, and fixture block passes through connecting rod and presses board fixed connection, the sliding tray has been seted up on the pole, the sliding tray is linked together with a plurality of fixed slots, when the push plate passes through connecting rod drive fixture block and gets into the movable intracavity completely. The length that this application has can adjust positioning bolt improves its suitability, the workman's of being convenient for effect of using.

Description

Positioning bolt

Technical Field

The application relates to the field of workpieces, in particular to a positioning bolt.

Background

The positioning bolt is a bolt specially used for fixing the relative position of a machine part and comprises a positioning end and a threaded end, wherein the threaded end is used for fixing the positioning bolt in the machine part, and the positioning end is used for fixing an inserted body.

When the positioning bolt is used, the positioning end is inserted into the inserted body, and the threaded end is screwed into the screw hole of the machine member, so that the inserted body is fixed on the machine member. Currently, when fixing the inserted body with different sizes, positioning bolts with different sizes are needed.

With respect to the related art described above, the inventors have considered that when a worker goes out to work, it is necessary to operate a plurality of differently sized objects to be plugged, and thus it is necessary to carry a plurality of types of positioning bolts, and when in use, the worker needs to find out among the plurality of positioning bolts, resulting in inconvenience in use of the worker.

Disclosure of Invention

In order to promote positioning bolt's suitability to make things convenient for the workman to use, this application provides a positioning bolt.

The application provides a positioning bolt adopts following technical scheme:

the utility model provides a positioning bolt, includes bolt head, adjusts pole and a fixed section of thick bamboo, adjust the pole one end with bolt head fixed connection, the other end sliding connection in the fixed section of thick bamboo, adjust the pole with be provided with the movable chamber between the fixed section of thick bamboo, press the hole has been seted up to the outer wall of fixed section of thick bamboo, sliding connection has the push plate in pressing the hole, be provided with first reset spring on the inner wall of fixed section of thick bamboo, first reset spring is close to one end fixedly connected with fixture block of adjusting the pole, a plurality of fixed slots that can hold the fixture block have been seted up to the outer wall of adjusting the pole, the fixture block set up in press the offside of clamp plate, just the fixture block pass through the connecting rod with press plate fixed connection, the sliding tray has been seted up on the pole, works as press the plate passes through the connecting rod drive the fixture block gets into completely when the movable chamber, connecting rod sliding connection in the sliding tray.

Through adopting above-mentioned technical scheme, when the workman used positioning bolt, the thickness of quilt grafting body was measured earlier, later presses the clamp plate, and the clamp block is moved to the direction of keeping away from the fixed slot to the clamp plate through connecting rod drive clamp block, and when the clamp block breaks away from the fixed slot, when getting into the activity intracavity completely, will adjust the pole and remove along vertical direction to adjust positioning bolt to suitable length, loosen the clamp plate, the clamp block is blocked into the fixed slot under the elasticity of spring in, and the clamp block returns to initial position through the connecting rod promotion clamp plate simultaneously, has strengthened positioning bolt's suitability, and the workman of being convenient for uses.

Optionally, a positioning ring is fixedly installed at the top of the fixed cylinder, and the outer wall of the adjusting rod is slidably connected in the positioning ring.

Through adopting above-mentioned technical scheme, adjust the pole and can only follow vertical direction in the holding ring and remove, reduced because of adjusting the pole and rocked in the activity intracavity and lead to its fixed unstable possibility to the holding ring can block the dust and fall into the activity intracavity, has prolonged positioning bolt's life.

Optionally, the bottom fixedly connected with limiting plate of adjusting the pole, the diameter of limiting plate is greater than the internal diameter of holding ring, limiting plate sliding connection in the fixed cylinder.

Through adopting above-mentioned technical scheme, when adjusting the pole and continuously moving to the direction of keeping away from fixed section of thick bamboo bottom, final limiting plate joint in the holding ring, make adjust pole and fixed section of thick bamboo unable separation, reduced the positioning bolt and lost thereby unable possibility of using because of the part.

Optionally, a plurality of holding tanks have been seted up to the periphery side of limiting plate, and is a plurality of all be provided with the ball in the holding tank, the ball rotate connect in the inner wall of fixed section of thick bamboo.

Through adopting above-mentioned technical scheme, when adjusting the pole and remove along vertical direction, the ball rolls along the inner wall of fixed section of thick bamboo, makes the pole that adjusts remove more stably, has also reduced the frictional force between limiting plate and the fixed section of thick bamboo simultaneously, makes workman's operation more laborsaving.

Optionally, the one side fixedly connected with installation piece that presses the hole to be close to adjust the pole, the installation piece is close to press the lateral wall in hole offered and to hold press the groove of pressing the board, press the groove with press the hole to be linked together, the hole of stepping down that runs through has been offered to the bottom of pressing the groove, connecting rod sliding connection in it is downthehole to step down.

By adopting the technical scheme, the possibility that the pressing plate cannot reset due to shaking caused by the fact that the pressing plate is pressed into the movable cavity is reduced.

Optionally, the bottom of pressing the groove is provided with second reset spring, second reset spring keep away from the one end fixed connection who presses the groove bottom in press the board.

Through adopting above-mentioned technical scheme, when the pressing plate was pressed into the pressing groove, first reset spring and second reset spring all were in compression state, when the pressing plate was released, can be under the elasticity of first reset spring and second reset spring to the initial position, reduced because of the elasticity of first reset spring is not enough, the unable possibility of using inconvenience that leads to the workman of returning to the initial position of pressing plate.

Optionally, the fixing cylinder includes a positioning portion and a threaded portion, and a plurality of friction blocks are disposed on an outer peripheral side of the positioning portion.

Through adopting above-mentioned technical scheme, after the bolt will be pegged graft the body and fix, by the periphery side that the body cover was located the locating terminal, the friction block has increased the frictional force between locating terminal and the body of pegging graft, makes the fixed more stable by the body of pegging graft.

Optionally, a guide block is arranged at the bottom of the fixed cylinder, and the diameter of the guide block is smaller than that of the fixed cylinder.

Through adopting above-mentioned technical scheme, when installing positioning bolt, insert the guide block in the screw earlier and twist again and move positioning bolt, the workman's of being convenient for operation.

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

1. when the adjusting rod continuously moves in a direction away from the bottom of the fixed cylinder, the final limiting plate is clamped on the positioning ring, so that the adjusting rod and the fixed cylinder cannot be separated, and the possibility that the positioning bolt cannot be used due to part loss is reduced;

2. when the adjusting rod moves in the vertical direction, the balls roll along the inner wall of the fixed cylinder, so that the movement of the adjusting rod is more stable, and meanwhile, the friction between the limiting plate and the fixed cylinder is reduced, so that the operation of a worker is more labor-saving;

3. when the pressing plate is pressed into the pressing groove, the first reset spring and the second reset spring are in compression states, and when the pressing plate is loosened, the first reset spring and the second reset spring can return to the initial positions under the elasticity of the first reset spring, so that the possibility that the pressing plate cannot return to the initial positions to cause inconvenient use of workers due to insufficient elasticity of the first reset spring is reduced.

Drawings

FIG. 1 is a schematic view of the construction of a positioning bolt of the present application;

fig. 2 is a cross-sectional view of a set screw of the present application.

Reference numerals illustrate: 1. a bolt head; 11. a bump; 12. an annular gasket; 2. an adjusting rod; 21. a fixing groove; 22. a sliding groove; 23. a limiting plate; 231. a receiving groove; 232. a ball; 3. a fixed cylinder; 31. a movable cavity; 32. a positioning part; 321. a friction block; 33. a threaded portion; 34. a guide block; 35. pressing the hole; 36. a positioning ring; 4. a first return spring; 5. a clamping block; 6. pressing the plate; 7. a connecting rod; 8. a mounting block; 81. a pressing groove; 82. a relief hole; 9. and a second return spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

Referring to fig. 1, a positioning bolt disclosed in the embodiments of the present application includes a bolt head 1, an adjusting rod 2 and a fixed cylinder 3, one end of the adjusting rod 2 is welded on one side of the bolt head 1, a movable cavity 31 is provided in the fixed cylinder 3, and the adjusting rod 2 is slidably connected in the movable cavity 31. In this embodiment, the cross section of bolt head 1 is regular hexagon, and the workman can use the spanner to operate it, and bolt head 1 is kept away from the terminal surface integrated into one piece of adjusting pole 2 and has hemispherical lug 11, and other end integrated into one piece has annular gasket 12, and annular gasket 12's external diameter is greater than the length of bolt head 1 terminal surface diagonal, and annular gasket 12's inner wall and adjust pole 2's outer wall laminating mutually, and annular gasket 12 has increased the area of contact between positioning bolt and the quilt grafting body, has reduced the pressure of bolt head 1 to the quilt grafting body.

The fixed cylinder 3 comprises a positioning part 32 and a threaded part 33, the positioning part 32 is arranged in the inserted body in a penetrating way, the threaded part 33 is connected in a threaded hole of the fixed machine part in a threaded way, in order to prevent the inserted body from being easily moved, a plurality of friction blocks 321 made of rubber materials are arranged on the outer wall of the positioning part 32, and the friction force between the positioning part 32 and the inserted body is increased. Meanwhile, the bottom of the fixed cylinder 3 is welded with the guide block 34, the diameter of the guide block 34 is smaller than that of the fixed cylinder 3, and when the positioning bolt is screwed into the screw hole of the fixed machine part, the guide block 34 is inserted into the screw hole first, and then the positioning bolt is rotated to be screwed, so that labor is not required for workers to align the positioning bolt with the screw hole, and the operation of the workers is facilitated.

Referring to fig. 1 and 2, a first return spring 4 is welded on the inner wall of the fixed cylinder 3, a clamping block 5 is welded at the other end of the first return spring 4, a plurality of fixing grooves 21 capable of accommodating the clamping block 5 are correspondingly arranged on the outer wall of the adjusting rod 2 along the vertical direction, a penetrating pressing hole 35 is formed in the side wall of the fixed cylinder 3, the pressing hole 35 is arranged on the opposite side of the clamping block 5, a pressing plate 6 is slidably connected in the pressing hole 35, a connecting rod 7 is welded between the pressing plate 6 and the clamping block 5, when the pressing plate 6 is pressed, the clamping block 5 is driven to move through the connecting rod 7, a corresponding sliding groove 22 is formed in the adjusting rod 2 along the vertical direction, and the sliding groove 22 is communicated with the plurality of fixing grooves 21. When the clamping block 5 is completely separated from the fixed groove 21 and moves into the movable cavity 31, the adjusting rod 2 is moved along the vertical direction to adjust the length of the positioning bolt, at this time, the connecting rod 7 is slidably connected in the sliding groove 22, and the side wall of the connecting rod 7 is attached to the inner wall of the sliding groove 22. The distance between the outer wall of the adjusting rod 2 and the inner wall of the fixed cylinder 3 is smaller than the sum of the length of the clamping block 5 and the length of the first return spring 4.

Because of the existence of the movable cavity 31, dust or liquid around the positioning bolt can enter the inside of the fixed cylinder 3, so that the positioning bolt is more easy to rust, in order to prolong the service life of the positioning bolt, the top of the fixed cylinder 3 is welded with the positioning ring 36, the inner wall of the positioning ring 36 is attached to the outer wall of the adjusting rod 2, the adjusting rod 2 is slidably connected in the positioning ring 36, and meanwhile, the possibility that the clamping block 5 is separated from the fixed groove 21 due to random shaking of the adjusting rod 2 can be reduced by the positioning ring 36.

Further, in order to enhance stability when the adjusting rod 2 moves, a limiting plate 23 is welded to the bottom of the adjusting rod 2, a plurality of accommodating grooves 231 are formed in the outer periphery side of the limiting plate 23, balls 232 are arranged in the accommodating grooves 231, the balls 232 are partially exposed out of the accommodating grooves 231, and the balls 232 are abutted against the inner wall of the fixed cylinder 3. When the regulation pole 2 is moved, the ball 232 rotates to be connected to the inner wall of the fixed cylinder 3, so that the friction force between the limiting plate 23 and the inner wall of the fixed cylinder 3 is reduced, meanwhile, as the diameter of the limiting plate 23 is larger than the inner diameter of the positioning ring 36, when the regulation pole 2 moves in the direction away from the guide block 34, the final limiting plate 23 can be abutted to the positioning ring 36, so that the regulation pole 2 can not be separated from the fixed cylinder 3, and the possibility that the positioning bolt can not be used due to the loss of the regulation pole 2 or the fixed cylinder 3 is reduced.

When the length adjustment of the positioning bolt is finished, the pressing plate 6 is loosened, the clamping block 5 can enter the corresponding fixed groove 21 under the action of the elastic force of the first reset spring 4, meanwhile, the clamping block 5 can push the connecting rod 7 to move towards the direction close to the pressing hole 35, so that the pressing plate 6 returns to the initial position, when the pressing plate 6 is pressed, the pressing plate 6 possibly breaks away from the pressing hole 35 to enter the movable cavity 31, so that the pressing plate is not easy to return to the initial position, therefore, the mounting block 8 is welded on one side of the pressing hole 35 close to the adjusting rod 2, the side wall of the mounting block 8 close to the pressing hole 35 is provided with the pressing groove 81 capable of accommodating the pressing plate 6, the pressing groove 81 is communicated with the pressing hole 35, the bottom of the pressing groove 81 is provided with the yielding hole 82, and the connecting rod 7 is slidingly connected in the yielding hole 82.

In addition, when the pressing plate 6 is released, the clamping block 5, the connecting rod 7 and the pressing plate 6 may not be driven to move in a direction approaching the pressing hole 35 only by the elastic force of the first return spring 4, so that the clamping block 5 cannot enter the fixing groove 21, and therefore, the second return spring 9 is welded at the bottom of the pressing groove 81, one end of the second return spring 9, which is far away from the bottom of the pressing groove 81, is welded on the side wall of the pressing plate 6, and in this embodiment, the second return spring 9 is sleeved on the outer peripheral side of the connecting rod 7. When the pressing plate 6 is pressed, the first reset spring 4 and the second reset spring 9 are in a compressed state, and when the pressing plate 6 is loosened, the clamping block 5, the connecting rod 7 and the pressing plate 6 move towards the direction close to the pressing hole 35 under the elasticity of the first reset spring 4 and the second reset spring 9, so that the clamping block 5 can smoothly enter the fixing groove 21, and the normal use of the positioning bolt is ensured.

The implementation principle of the positioning bolt in the embodiment of the application is as follows: when a worker uses a positioning bolt to fix an inserted body on a machine member, the thickness of the inserted body is measured firstly, then a pressing needle or other tools are used to press a pressing plate 6, the pressing plate 6 drives a clamping block 5 to move in a direction away from the bottom of a fixed groove 21 through a connecting rod 7 until the clamping block 5 is separated from the fixed groove 21 and completely enters a movable cavity 31, an adjusting rod 2 is moved in the vertical direction to adjust the length of the positioning bolt, when the adjustment is finished, the pressing plate 6 is loosened, under the action of the elastic force of a first reset spring 4 and a second reset spring 9, the clamping block 5 can be clamped into the corresponding fixed groove 21, meanwhile, the pressing plate 6 is restored to the initial position, at the moment, a fixed cylinder 3 is firstly penetrated in the inserted body, a guide block 34 is inserted into a screw hole of the machine member, and the positioning bolt is rotated to screw the fixed body.

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

1. A positioning bolt which is characterized in that: the novel adjustable bolt comprises a bolt head (1), an adjusting rod (2) and a fixed cylinder (3), wherein one end of the adjusting rod (2) is fixedly connected with the bolt head (1), a movable cavity (31) is formed in the fixed cylinder (3), the adjusting rod (2) is slidably connected in the movable cavity (31), a pressing hole (35) is formed in the outer wall of the fixed cylinder (3), a pressing plate (6) is slidably connected in the pressing hole (35), a first reset spring (4) is arranged on the inner wall of the fixed cylinder (3) far away from the pressing hole (35), a clamping block (5) is fixedly connected to one end of the first reset spring (4) close to the adjusting rod (2), a plurality of fixing grooves (21) capable of accommodating the clamping block (5) are formed in the outer wall of the adjusting rod (2), the clamping block (5) is fixedly connected with the pressing plate (6) through a connecting rod (7), a sliding groove (22) is formed in the adjusting rod (2), and the clamping block (5) is completely connected with the connecting rod (6) through the sliding grooves (21), the connecting rod (7) is connected in the sliding groove (22) in a sliding way.

2. The positioning bolt as claimed in claim 1, wherein: the top of the fixed cylinder (3) is fixedly provided with a positioning ring (36), and the outer wall of the adjusting rod (2) is connected in the positioning ring (36) in a sliding way.

3. The positioning bolt according to claim 2, wherein: the bottom of adjusting pole (2) fixedly connected with limiting plate (23), the diameter of limiting plate (23) is greater than the internal diameter of holding ring (36), limiting plate (23) sliding connection in fixed section of thick bamboo (3).

4. A positioning bolt according to claim 3, wherein: a plurality of accommodating grooves (231) are formed in the outer periphery of the limiting plate (23), balls (232) are arranged in the accommodating grooves (231), and the balls (232) are rotationally connected to the inner wall of the fixed cylinder (3).

5. The positioning bolt as claimed in claim 1, wherein: one side fixedly connected with installation piece (8) that presses hole (35) to be close to adjust pole (2), installation piece (8) are close to the lateral wall of pressing hole (35) is offered and is held pressing groove (81) of pressing board (6), pressing groove (81) with press hole (35) to be linked together, the hole of stepping down (82) that runs through has been offered to the bottom of pressing groove (81), connecting rod (7) sliding connection in hole of stepping down (82).

6. The positioning bolt according to claim 5, wherein: the bottom of pressing groove (81) is provided with second reset spring (9), one end that second reset spring (9) kept away from pressing groove (81) bottom fixed connection in pressing plate (6).

7. The positioning bolt as claimed in claim 1, wherein: the fixed cylinder (3) comprises a positioning part (32) and a threaded part (33), and a plurality of friction blocks (321) are arranged on the outer periphery side of the positioning part (32).

8. The positioning bolt as claimed in claim 1, wherein: the bottom of the fixed cylinder (3) is provided with a guide block (34), and the diameter of the guide block (34) is smaller than that of the fixed cylinder (3).