CN213765667U

CN213765667U - Simple and convenient pin pulling head formula pin puller structure of changing

Info

Publication number: CN213765667U
Application number: CN202022426449.8U
Authority: CN
Inventors: 是建伟
Original assignee: Wuxi Zhenhua Auto Parts Co ltd
Current assignee: Wuxi Zhenhua Auto Parts Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-23
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a pin puller structure for conveniently replacing a pin puller, which belongs to the field of pin puller structures and comprises a slide bar, wherein one end of the slide bar is fixedly connected with a stop block, the other end of the slide bar is connected with a pin puller block, a movable block is connected on the slide bar between the stop block and the pin puller block in a sliding way, a connecting groove is arranged on the pin puller block, a first notch is formed on the side wall of the pin puller block by the connecting groove, a second notch is formed on the bottom wall of the pin puller block by the connecting groove, and the two notches are mutually communicated; can dismantle in the spread groove and be connected with the pulling pin head, the external screw thread in pin top is screwed up in the pulling pin head, the pulling pin head by in first notch embedding spread groove, the pin by the second notch is worn out, pull out in pin head joint and the spread groove. The utility model discloses have the commonality and the rate of utilization that improve the pin puller to improve labor efficiency's effect.

Description

Simple and convenient pin pulling head formula pin puller structure of changing

Technical Field

The utility model relates to a pin puller technical field, in particular to simple and convenient change pin puller formula pin puller structure.

Background

A pin puller is a tool mounted on the end of an operating lever for pulling out a cotter pin in a fitting or fitting. The prior art pin puller usually processes out the internal thread in one end for link to each other with the external screw thread of pin, carries to pull many times through operating personnel and demolishs the pin. Because the external screw thread structure of different round pin nail heads is different, and the internal thread on the pin puller is fixed, so need use different pin pullers according to different pins when the field usage.

The above prior art has the following problems: because the workplace instrument is various, and same kind of instrument may multiple specification, and the screw thread of fixing on the pin puller only can correspond dismantles a pin, probably need use a plurality of pin pullers when dismantling the pin on one set of mould, makes the workplace instrument kind further increase, influences labor efficiency, and this problem is waited for to solve urgently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a change pin pulling head formula pin puller structure portably has commonality and the rate of utilization that improves the pin puller to improve labor efficiency's effect.

A pin pulling head type pin puller structure convenient to replace comprises a slide bar, wherein one end of the slide bar is fixedly connected with a stop block, the other end of the slide bar is connected with a pin pulling block, a movable block is connected to the slide bar between the stop block and the pin pulling block in a sliding mode, a connecting groove is formed in the pin pulling block, a first notch is formed in the side wall of the pin pulling block by the connecting groove, a second notch is formed in the bottom wall of the pin pulling block by the connecting groove, and the two notches are communicated with each other;

can dismantle in the spread groove and be connected with the pulling pin head, the external screw thread in pin top is screwed up in the pulling pin head, the pulling pin head is by in first notch embedding spread groove, the pin by the second notch is worn out, the pulling pin head joint is in the spread groove.

The utility model discloses further set up to: the spread groove is close to and pulls out round pin piece diapire department and is formed with spacing step, the second notch is seted up on spacing step diapire and the width equals with the pin diameter, the department that links to each other of first notch and second notch is seted up on the spacing step lateral wall and the width second notch equals.

The utility model discloses further set up to: the limiting part is connected to the limiting step, the limiting part comprises a connecting ring and a limiting block, the limiting block is fixedly connected to the connecting ring, the connecting ring is sleeved on the outer wall of the limiting block and connected in a sliding mode, the limiting block is connected to the side wall of the limiting step in an inserting mode, located in the joint of the first notch and the second notch, attached to the side wall of the pin, located in the first notch on the side wall of the pin and far away from one side of the second notch, and provided with a yielding groove, and the connecting ring is connected to the yielding groove in an inserting mode when rising.

The utility model discloses further set up to: the connecting rings are connected to the two sides of the limiting block and close to the bottom wall.

The utility model discloses further set up to: the pin pulling head is characterized in that a guide rail is formed on the side wall of the pin pulling head along the height direction, a guide groove is formed in one side of the connecting ring, which is attached to the pin pulling head, and the guide rail is embedded in the guide groove and connected in a sliding manner.

The utility model discloses further set up to: the pin pulling head bottom wall extends outwards to form a limiting plate, and the lower surface of the connecting ring is attached to the upper surface of the limiting plate.

When carrying out the pulling pin operation, select the pulling pin head and screw up with the external screw thread adaptation in pin top, make the pulling pin head put into and promote to the summit by the first notch department of pulling out the round pin piece, the locating part is located the high-order this moment, the stopper is pegged graft in the inslot of stepping down, pull out the round pin head and be connected to the back in the pulling pin piece, the downstream locating part moves along the guide rail direction and inserts first notch and second notch junction to the stopper, stopper and the laminating of pin side this moment, can be effectively spacing at the in-process of pulling out the pin, improve the effect of pulling out, reduce the condition that the emergence was rocked.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the connecting groove arranged in the pin pulling block and the first groove opening and the second groove opening, the application range of the whole pin pulling device can be effectively enlarged by replacing the pin pulling head;

2. the pin is limited in the pin pulling process through the limiting piece connected to the pin pulling block in a sliding mode, and the shaking is reduced;

3. through the guide rail that forms in the dog block lateral wall and the guide slot of go-between lateral wall, the lifting direction of the locating part of being convenient for is restricted.

Drawings

Fig. 1 is a schematic structural diagram for embodying the whole of the present invention;

fig. 2 is a schematic structural view for showing the position of the position limiting member at the lower position in the present invention;

fig. 3 is a schematic structural view of the present invention for embodying the cooperation of the position-limiting part and the pin pulling block.

In the figure, 1, a sliding rod; 11. a stopper; 12. a movable block; 2. pulling the pin block; 22. a first notch; 23. A second notch; 24. a limiting step; 25. a guide rail; 26. a yielding groove; 27. a limiting plate; 3. a pin; 4. pulling out the pin head; 5. a limiting member; 51. a limiting block; 52. a connecting ring; 53. and a guide groove.

Detailed Description

The present invention will be described in detail with reference to the attached drawings, and other advantages and effects of the present invention can be easily understood by those skilled in the art from the disclosure of the present specification. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also regarded as the scope of the present invention without substantial changes in the technical content.

Example (b):

as shown in fig. 1 to 3, for the utility model discloses a simple and convenient change pull out round pin head 4 formula puller structure that designs in, including slide bar 1, slide bar 1 one end fixedly connected with dog 11, the other end is connected with pull out round pin piece 2, it is connected with movable block 12 to lie in dog 11 and pull out to slide between round pin piece 2 on the slide bar 1, the spread groove has been seted up on pull out round pin piece 2, the spread groove is formed with first notch 22 on the lateral wall of pull out round pin piece 2, the spread groove is formed with second notch 23 on the diapire of pull out round pin piece 2, and two notches communicate each other

As shown in fig. 1 to 3, a limit step 24 is formed at the connecting groove near the bottom wall of the pin pulling block 2, and the connecting part of the first notch 22 and the second notch 23 is opened on the side wall of the limit step 24 and the width of the second notch 23 is equal. Can dismantle in the spread groove and be connected with and pull out round

pin head

4, 3 top external screw threads of pin screw up in pulling out round pin head 4, pull out round pin head 4 by first notch 22 imbed in the spread groove and lower surface and the laminating of spacing step 24 upper surface, second notch 23 is seted up on the 24 diapalls of spacing step and the width equals with 3 diameters of pin, and pin 3 is worn out by second notch 23.

As shown in fig. 1 to 3, be connected with locating part 5 on the stopper 51, locating part 5 includes go-between 52 and stopper 51, stopper 51 fixed connection is on go-between 52, go-between 52 cup joints in stopper 51 outer wall and slides and connects, stopper 51 pegs graft and is located first notch 22 and second notch 23 junction and with the laminating of pin 3 lateral wall on spacing step 24 lateral wall, it keeps away from second notch 23 one side and has seted up the groove of stepping down 26 to lie in first notch 22 on the 2 lateral walls of pull out the pin piece, peg graft in the groove of stepping down 26 when the go-between 52 rises, go-between 52 is connected in stopper 51 both sides and is close to diapire department. The side wall of the pin pulling head 4 is provided with a guide rail 25 along the height direction, one side of the connecting ring 52, which is attached to the pin pulling head 4, is provided with a guide groove 53, and the guide rail 25 is embedded in the guide groove 53 and connected in a sliding manner. The bottom wall of the pin pulling head 4 extends outwards to form a limiting plate 27, and the lower surface of the connecting ring 52 is attached to the upper surface of the limiting plate 27.

The implementation principle of the above embodiment is as follows: when carrying out the pulling pin operation, select the pulling pin head 4 and screw up with 3 top external screw threads adaptations of pin, the order is pulled out the first notch 22 department of pin piece 2 by pulling out and is put into and promote to the summit, locating part 5 is located the high level this moment, stopper 51 is pegged graft in the groove 26 of stepping down, pull out pin head 4 and be connected to and pull out back in the pin piece 2, move down locating part 5 and insert first notch 22 and second notch 23 junction to stopper 51 along the guide rail 25 direction, stopper 51 and 3 side laminating of pin this moment, can be effectively spacing at the in-process of pulling out pin 3, the effect is extracted in the improvement, reduce the condition that takes place to rock.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a simple and convenient change pin drawing hair style pin puller structure which characterized in that: the sliding rod comprises a sliding rod (1), wherein one end of the sliding rod (1) is fixedly connected with a stop block (11), the other end of the sliding rod is connected with a pin pulling block (2), a movable block (12) is connected between the stop block (11) and the pin pulling block (2) in a sliding mode on the sliding rod (1), a connecting groove is formed in the pin pulling block (2), a first notch (22) is formed in the side wall of the pin pulling block (2) through the connecting groove, a second notch (23) is formed in the bottom wall of the pin pulling block (2) through the connecting groove, and the two notches are communicated with each other;

can dismantle in the spread groove and be connected with and pull out round pin head (4), pin (3) top external screw thread is screwed up in pulling out round pin head (4), pull out round pin head (4) by in first notch (22) embedding spread groove, pin (3) by second notch (23) are worn out, pull out round pin head (4) joint in the spread groove.

2. The structure of claim 1, wherein said pin extractor comprises: the spread groove is close to and pulls out round pin piece (2) diapire department and is formed with spacing step (24), second notch (23) are seted up on spacing step (24) diapire and the width equals with pin (3) diameter, first notch (22) are seted up on spacing step (24) lateral wall and width second notch (23) equal with the continuous department of second notch (23).

3. The structure of claim 2, wherein said pin extractor comprises: be connected with locating part (5) on spacing step (24), locating part (5) are including go-between (52) and stopper (51), stopper (51) fixed connection is on go-between (52), go-between (52) cup joint in stopper (51) outer wall and slide and connect, stopper (51) are pegged graft and are located first notch (22) and second notch (23) junction and laminate with pin (3) lateral wall on spacing step (24) lateral wall, it keeps away from second notch (23) one side and has seted up groove of stepping down (26) to be located first notch (22) on pin pulling block (2) lateral wall, peg graft in groove of stepping down (26) when go-between (52) rise.

4. The structure of claim 3, wherein said pin extractor comprises: the connecting ring (52) is connected to the two sides of the limiting block (51) close to the bottom wall.

5. The structure of claim 4, wherein said pin extractor comprises: pull out and be formed with guide rail (25) along direction of height on the round pin head (4) lateral wall, go up the guide slot (53) of having seted up with pull out round pin head (4) laminating one side in go-between (52), inlay in guide slot (53) and slide and connect guide rail (25).

6. The structure of claim 5, wherein said pin extractor comprises: the bottom wall of the pin pulling head (4) extends outwards to form a limiting plate (27), and the lower surface of the connecting ring (52) is attached to the upper surface of the limiting plate (27).