CN201267979Y - Retainer pin detaching device - Google Patents

Abstract

The utility model discloses a cotter pin disassembling device, which comprises two substrate blocks and two pry bars, wherein, the bottom end of each pry bar is provided with a pry head, and the two pry bars are arranged between the two substrate blocks in a way of face-to-face and are respectively connected with the two substrate blocks through pins. The disassembling device is arranged on a fixed bolt of the cotter pin through the substrate blocks, and the neck part of the cotter pin is clamped by the two pry heads, so that the cotter pin can be conveniently and rapidly pried out through the opposite movement of the two pry bars at the same time; the distance between the two pry heads can be adjusted by adjusting the bolt, so that not only the cotter pin can be better clamped, but also the disassembling device can be applicable to the disassembling of the cotter pins with different sizes.

Description

The split pin provision for disengagement

Technical field

The utility model relates to extracting tool, more particularly, relates to a kind of split pin provision for disengagement, and this provision for disengagement can help dismounting split pin easily and fast.

Background technology

Split pin is a kind of parts that are widely used in mechanical connection pin or bolting.In the adjustment or maintenance process of equipment, running into through regular meeting need the dismounting split pin.At present, traditional split pin dismounting mode is closed up the end of split pin fork earlier for adopting nipper plier or bottle opener, clamps the head of split pin then it is extracted.But in actual mechanical process, because because of the deformation of split pin end or the increase of coefficient of friction, can cause the frictional force between split pin and the pin-and-hole bigger, extract difficulty, increase labour intensity, reduce removal efficiency and waste time and energy thereby strengthen.

See also shown in Figure 1, Chinese patent 200420005582.4 discloses a kind of split pin and has pulled up device 10, it comprise pull up hook 11, pull up bar 12, handle 13 and sliding hammer 14, pull up bar 12 1 ends and pull up hook 11 and be connected, the other end is connected with handle 13, and sliding hammer 14 is sheathed on and pulls up on the bar 12.This pulls up device 10 by pulling up the head that hook 11 hooks split pin, and impacts the end face of handle 13 by sliding hammer 14, relies on to impact and produce pulling force to split pin, thereby split pin is extracted.But because the frictional force of split pin and pin-and-hole is all very big usually; and the impulsive force of sliding hammer 14 is limited, and it is relatively poor to pull up the tensile strength of hook 11 itself, in actual use; through regular meeting also not action of split pin taking place, pulls up the phenomenon that hook 11 has been straightened even has ruptured.Therefore, this pulls up device 10 only for being used for the less occasion of pin-and-hole coefficient of friction, and this occasion adopts common nipper plier promptly can easily solve.

The utility model content

Big at the above-mentioned dismounting difficulty that exists in the prior art, labour intensity is high and inefficient shortcoming, the purpose of this utility model provides a kind of split pin provision for disengagement, this provision for disengagement can be carried out easily and fast dismounting to split pin.

For achieving the above object, the utility model adopts following technical scheme:

This split pin provision for disengagement comprises two base block and two ripping bars, and the bottom of two ripping bars is equipped with the sled head, and two ripping bars are located between two base block in opposite directions, and respectively with two base block pin-connects.

The all curved shape in the bottom surface of described two base block, and the two ends, side have a pin-and-hole and a waist-shaped hole; A described ripping bar passes pin-and-hole respectively by bearing pin and is connected with two base block, and another ripping bar passes waist-shaped hole respectively by bearing pin and is connected with two base block.

One end of described two base block is equipped with the adjusting bolt, and an end of adjusting bolt penetrates waist-shaped hole and holds out against mutually with bearing pin.

Described sled head is wedge structure, and tiltedly is located at the bottom of ripping bar.

In technique scheme, split pin provision for disengagement of the present utility model comprises two base block and two ripping bars, and the bottom of two ripping bars is equipped with the sled head, and two ripping bars are located between two base block in opposite directions, and respectively with two base block pin-connects.This provision for disengagement is held on the fixing bolt of split pin by base block, and lives the neck of split pin by prizing head-clamp, by ripping bar action dorsad simultaneously, can easily and fast split pin be prized; Can regulate two distances of prizing between the head by regulating bolt, not only can clamp split pin preferably, but also can be applicable to the dismounting of the split pin of different size.

Description of drawings

Fig. 1 is the structural representation that the split pin of prior art pulls up device;

Fig. 2 is the structure and the user mode schematic diagram of split pin provision for disengagement of the present utility model;

Fig. 3 is the structure vertical view of provision for disengagement of the present utility model;

Fig. 4 is the structural representation of the base block of provision for disengagement of the present utility model;

Fig. 5 is the structural representation of the ripping bar of provision for disengagement of the present utility model.

The specific embodiment

Further specify the technical solution of the utility model below in conjunction with drawings and Examples.

See also Fig. 2～shown in Figure 5, split pin provision for disengagement 20 of the present utility model comprises two base block 21 and two ripping bar 22a, 22b, and two base block 21 are identical, all curved shape in bottom surface, and the two ends, side have a pin-and-hole 211 and a waist-shaped hole 212; The bottom of two ripping bar 22a, 22b is equipped with sled 23, sled 23 is wedge structure, and tiltedly is located at the bottom of ripping bar 22a, 22b, and the surface of sled 23 is through Quenching Treatment, have higher hardness, the junction of each ripping bar 22a, 22b and sled 23 also is provided with a bearing pin 24; Two ripping bar 22a, 22b are located between two base block 21 in opposite directions, and wherein a ripping bar 22a passes the pin-and-hole 211 of two base block 21 respectively by bearing pin 24 two ends, and with two base block, 21 pin-connects; Another ripping bar 22b passes the waist-shaped hole 212 of two base block 21 respectively by bearing pin 24 two ends, and with two base block, 21 pin-connects, this ripping bar 22b can carry out laterally moving along waist-shaped hole 212 by bearing pin 24, thereby adjusts the distance between two sleds 23; Regulate bolt 25 and be equipped with one, regulate an end and bearing pin 24 horizontal vertical of bolt 25, and penetrate waist-shaped hole 212 and hold out against fixing mutually with bearing pin 24 at an end of two base block 21.

Please again in conjunction with shown in Figure 2, the operation principle of this provision for disengagement 20 is as follows: the end that the split pin of required dismounting is diverged closes up in advance; Lower arcuate surface with base block 21 is held on the bolt 1 (or bearing pin) that needs dismounting split pin 2 then, and the head of split pin 2 is passed between two base block 21; Look split pin 2 sizes again, horizontal mobile ripping bar 22b, the sled 23 of two ripping bar 22a, 22b contact with the neck of split pin 2 (being the place, bottom of split pin 2 heads), and ripping bar 22a, 22b are held out against, thereby make two to prize 23 pairs of split pins 2 and have enough clamping forces by regulating bolt 25; At this moment, simultaneously to the upper end application of force of two ripping bar 22a, 22b, make two ripping bar 22a, 22b do rotating dorsad, thereby split pin 2 is easily prized in the pin-and-hole of bolt 1 (or bearing pin) around bearing pin 24 separately.Need to prove at this, after above-mentioned action is finished,, can repeat above-mentioned steps, until split pin 2 is prized if split pin 2 is not loosening yet.

Lever principle has been adopted in provision for disengagement 20 of the present utility model, can easily and fast split pin 2 be prized, the bigger occasion of frictional force of split pin 2 and pin-and-hole particularly, thereby greatly reduce dismounting difficulty and labour intensity, time saving and energy saving, and can be applicable to the fast quick-detach of the split pin 2 of different size.

Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.

Claims (4)

1. split pin provision for disengagement is characterized in that:

This provision for disengagement comprises two base block and two ripping bars, and the bottom of two ripping bars is equipped with the sled head, and two ripping bars are located between two base block in opposite directions, and respectively with two base block pin-connects.

2. split pin provision for disengagement as claimed in claim 1 is characterized in that:

The all curved shape in the bottom surface of described two base block, and the two ends, side have a pin-and-hole and a waist-shaped hole;

A described ripping bar passes pin-and-hole respectively by bearing pin and is connected with two base block, and another ripping bar passes waist-shaped hole respectively by bearing pin and is connected with two base block.

3. split pin provision for disengagement as claimed in claim 2 is characterized in that:

One end of described two base block is equipped with the adjusting bolt, and an end of adjusting bolt penetrates waist-shaped hole and holds out against mutually with bearing pin.

4. split pin provision for disengagement as claimed in claim 1 is characterized in that:

Described sled head is wedge structure, and tiltedly is located at the bottom of ripping bar.

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