CN210633587U

CN210633587U - Portable pin pulling device

Info

Publication number: CN210633587U
Application number: CN201921024415.7U
Authority: CN
Inventors: 张以静; 王贵和
Original assignee: Eastern Liaoning University
Current assignee: Eastern Liaoning University
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-05-29
Anticipated expiration: 2029-07-02

Abstract

The utility model relates to a portable pulling pin device hits a slide bar one end fixedly connected with fixed block, other end fixedly connected with screw draw-in groove, is equipped with the helping hand structure between fixed block and the screw draw-in groove, and helping hand structure one end has the contact of screw draw-in groove, and the other end is sliding motion at the outer circumference of hitting a slide bar. The screw in the screw clamping groove is in threaded connection with the taper pin to be pulled out, the elastic boosting structure reciprocates on the collision block sliding rod to apply external force to the taper pin until the taper pin is pulled out smoothly, the operation is simple, and related parts are prevented from being damaged.

Description

Portable pin pulling device

Technical Field

The utility model relates to a pull out round pin device, especially a portable pull out round pin device belongs to the machine-building field.

Background

In the equipment fixing process, the relative position precision between the part is fixed a position in order to guarantee to taper pin commonly used, when equipment need overhaul or change relevant spare part, need extract the taper pin from base and spare part, just can dismantle spare part, because adopt the tight fit between locating pin and the part rather than fixing a position, consequently cause the difficulty of pulling out the round pin, also often because of pulling out the round pin misoperation and cause the damage of taper pin internal thread and can't pull out the taper pin.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a portable pulling pin device, through the screw of establishing in the screw draw-in groove with wait to pull out taper pin threaded connection, exert external force until will taper pin extract smoothly to taper pin through elasticity helping hand structure reciprocating motion on hitting a slide bar, easy operation avoids relevant spare part to damage.

For solving the above problems, the specific technical scheme of the utility model is as follows: the utility model provides a portable pulling pin device, hits a slide bar one end fixedly connected with fixed block, other end fixedly connected with screw draw-in groove, is equipped with helping hand structure between fixed block and the screw draw-in groove, and helping hand structure one end has the contact of screw draw-in groove, and the other end is sliding motion at the outer circumference of hitting a slide bar.

The power assisting structure is as follows: the collision block is sleeved on the outer circumference of the collision block sliding rod and slides relative to the collision block sliding rod, the spring is wound on the outer circumference of the collision block sliding rod, one end of the spring is connected with the screw clamping groove in a welded mode, and the other end of the spring is connected with the collision block in a welded mode.

The screw clamping groove is of a semi-closed structure, a screw is arranged in the screw clamping groove, the opening end of the screw clamping groove faces to the working face, and the opening width is smaller than the diameter of a screw head and larger than the diameter of a screw rod.

The utility model discloses the beneficial effect who brings does: the pressing block applies pressure to the spring, the screw in threaded connection with the taper pin is driven by the elastic force, the taper pin is pulled out, operation is convenient, and the internal thread of the taper pin cannot be damaged.

Drawings

Fig. 1 is a schematic view of a portable pin pulling device in use.

Detailed Description

As shown in figure 1, one end of a collision block sliding rod 8 is fixedly connected with a fixed block 9, the other end of the collision block sliding rod is fixedly connected with a screw clamping groove 5, a power assisting structure is arranged between the fixed block 9 and the screw clamping groove 5, one end of the power assisting structure is contacted with the screw clamping groove 5, and the other end of the power assisting structure slides on the outer circumference of the collision block sliding rod 8.

The power assisting structure is as follows: the collision block 7 is sleeved on the outer circumference of the collision block slide rod 8 and slides relative to the collision block slide rod 8, the spring 6 is wound on the outer circumference of the collision block slide rod 8, one end of the spring 6 is welded with the screw clamping groove 5, and the other end of the spring is welded with the collision block 7.

The screw clamping groove 5 is of a semi-closed structure, a screw 4 is arranged in the screw clamping groove, the opening end of the screw clamping groove 5 faces the working face, and the opening width is smaller than the diameter of the head of the screw 4 and larger than the diameter of the screw rod of the screw 4.

When the taper pin needs to be pulled out, the screw 4 is inserted into the taper pin 3 to be pulled out, the screw 4 is in threaded connection with the taper pin 3, the clamping end 9-1 of the fixing block 9 is clamped by a clamping device or is held by a hand, the collision block 7 is pushed and pressed to the direction of the screw clamping groove 5 by the hand, when the collision block is pressed still or pressed to the limit position, the hand pushing and pressing the collision block 7 is released, the collision block 7 moves towards the direction of the fixing block 9 along the collision block sliding rod 8 under the action of the elastic force of the spring 6, the strong elastic force drives the screw 4 arranged in the screw groove 5 to pull out the taper pin 3, and the collision block 7 is repeatedly pressed for many times until the taper pin.

In the description of the present invention, it is to be understood that the terms "vertical", "upper", "lower", "side", "one end", "upper", "horizontal", "above", "below", "vertical", "middle", "lower", "other end", "longitudinal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for the purpose of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate medium, a connection between two elements, or an interaction relationship between two elements, and those skilled in the art can understand the specific meaning of the terms in the present invention according to specific situations.

What has been described above is merely a preferred embodiment of the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications and improvements can be made, and shall be considered as belonging to the protection scope of the present invention.

Claims

1. The utility model provides a portable pulling pin device which characterized in that: one end of the collision block sliding rod (8) is fixedly connected with a fixing block (9), the other end of the collision block sliding rod is fixedly connected with a screw clamping groove (5), a power assisting structure is arranged between the fixing block (9) and the screw clamping groove (5), one end of the power assisting structure is in contact with the screw clamping groove (5), and the other end of the power assisting structure slides on the outer circumference of the collision block sliding rod (8).

2. The portable pin pulling apparatus of claim 1, wherein: the power assisting structure is as follows: the collision block (7) is sleeved on the outer circumference of the collision block sliding rod (8) and slides relative to the collision block sliding rod (8), the spring (6) is wound on the outer circumference of the collision block sliding rod (8), one end of the spring (6) is welded with the screw clamping groove (5), and the other end of the spring is welded with the collision block (7).

3. The portable pin pulling apparatus of claim 1, wherein: the screw clamping groove (5) is of a semi-closed structure, a screw (4) is arranged in the screw clamping groove, the opening end of the screw clamping groove (5) faces to the working face, and the opening width is smaller than the diameter of a nail head of the screw (4) and larger than the diameter of a nail rod of the screw (4).