CN215847937U - Elastic pin dismantling device - Google Patents

Abstract

The utility model discloses an elastic pin dismounting device which comprises a dismounting device and a knocking stick, wherein an opening X, an opening Y and an opening Z are arranged on the lower side of the dismounting device, the opening X is positioned on the right side of the opening Y and communicated with the opening Y, the opening Z is positioned on the right side of the opening X and communicated with the opening X, an opening V communicated with the upper part of the opening Y is arranged on the dismounting device, and the opening V penetrates to the upper side of the dismounting device. The utility model has the beneficial effects that: the device is provided with four openings which are respectively clamped on the outer circular disc of the coupling disc, the outer sides of the pin and the rubber ring and the outer sides of the nut and the washer and can be well positioned, and the other opening is used for inserting a knocking stick; the device utilizes the lever principle to easily knock the pin to separate the conical surface of the pin from the conical surface of the coupler; the device is small and portable, has good adaptability and wide application range.

Description

Elastic pin dismantling device

Technical Field

The utility model relates to a dismantling tool, in particular to an elastic pin dismantling device.

Background

When using elastic coupling to transmit mechanical moment, all need use 12 sets and above elastic pin, 1 set of elastic pin includes 1 rigid pin, 5 elastic rubber circle, 1 flat packing ring, 1 spring washer and 1 nut, and the pin surface is provided with 1: 10, after the elastic pin is arranged on the coupler, the conical surface of the pin is attached to the conical surface of the hole of the coupler, and after the elastic pin is fastened by using a nut, the elastic pin is not easily detached due to close contact between the conical surfaces.

In the past, it has been common to use a hammer to strike the end surface of the nut or pin to remove the tapered surface from contact, and such striking can damage the threads of the nut and pin and cause the pin to become scrapped. However, in some occasions, the nut cannot be knocked due to the limitation of the space on the side of the nut, and therefore, the pin dismantling device is designed and manufactured to dismantle the elastic pin quickly, conveniently and efficiently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the elastic pin dismantling device solves the problems that the existing cancellation dismantling is inconvenient and easy to damage.

The purpose of the utility model is realized by the following technical scheme:

the elastic pin dismounting device comprises a dismounting device and a knocking stick, wherein an opening X, an opening Y and an opening Z are arranged on the lower side of the dismounting device, the opening X is located on the right side of the opening Y and communicated with the opening Y, the opening Z is located on the right side of the opening X and communicated with the opening X, an opening V communicated with the upper portion of the opening Y is arranged on the dismounting device, and the opening V penetrates through the upper side of the dismounting device. The opening X is any space structure of clamping the outer disc, the opening Y is any space structure of accommodating the nut and the washer, the opening Z is any space structure of accommodating the rubber ring, and the opening V is any space structure of penetrating the crowbar and providing a fulcrum.

Further, the depth of the opening X is larger than that of the opening Y and the opening Z.

Further, the opening X is opened at the front, rear, left, right, and lower sides thereof.

Further, the left, right, upper and lower sides of the opening Y are opened.

Further, the left and lower sides of the opening Z are opened.

Further, the upper and lower sides of the opening V are opened.

Furthermore, the knocking stick comprises a rod part and a head part, and the head part is bent at the end of the rod part.

Further, the bending angle α between the rod portion and the head portion is 130-170 °.

Furthermore, the thickness of the head part is gradually reduced towards the head part.

Furthermore, the end of the head part is in arc transition.

The utility model has the following realized functions: the device is provided with an opening V, an opening X, an opening Y, an opening Z and the like, the opening X of the pin dismounting device is clamped and placed on a maximum outer circular disc of the coupler, the pin and the rubber ring are in the opening Z, the nut and the gasket are in the opening Y, the knocking stick is inserted into the position shown in the schematic diagram 1 from the upper part of the opening V, the head is attached to the end face of the nut, the bent part is attached to the side face of the inner wall of the opening V, and then the knocking stick can be knocked loose from a taper hole of the coupler along the direction indicated by the arrow. Demolish the nut and can easily take down the pin (including the rubber circle), the device is small and exquisite, and convenient to use is high-efficient, and the use occasion is wide.

The utility model has the beneficial effects that:

1. the device is provided with four openings which are respectively clamped on the outer circular disc of the coupling disc, the outer sides of the pin and the rubber ring and the outer sides of the nut and the washer, so that the positioning can be well realized, and the other opening is used for inserting a knocking stick.

2. The device utilizes the lever principle to easily knock the pin to separate the contact between the conical surface of the pin and the conical surface of the coupler.

3. The device is small and portable, has good adaptability and wide application range.

The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the utility model; in the present invention, the selection (each non-conflicting selection) and the other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.

Drawings

FIG. 1 is a schematic diagram of the present invention.

Figure 2 is a front view of the remover construction of the present invention.

Figure 3 is a side view of the remover construction of the present invention.

Figure 4 is a top view of the remover construction of the present invention.

Fig. 5 is a view from a-a of fig. 2.

Fig. 6 is a front view of the stick structure of the present invention.

Fig. 7 is a top view of the stick structure of the present invention.

In the figure: 1-remover, 11-opening X, 12-opening V, 13-opening Y, 14-opening Z; 2-coupler, 21-outer disc, 22-taper hole; 3-pin, 31-left section, 32-conical section, 33-right section; 4-nut, 5-washer, 6-rubber ring; 8-knocking stick, 81-rod part, 82-head part.

Detailed Description

The utility model will be further described with reference to specific embodiments and the accompanying drawings.

Referring to fig. 1, the elastic pin removing device comprises a remover 1 and a knocking stick 8, wherein the remover 1 is clamped and fixed on a coupler 2, and the knocking stick 8 takes the remover 1 as a support to pry a pin so as to remove the pin from the coupler 2.

Referring to fig. 2-5, the underside of the remover 1 is provided with an opening X11, an opening Y13 and an opening Z14. The opening X11 is positioned at the right side of the opening Y13 and communicated with the opening Y13, the opening Z14 is positioned at the right side of the opening X11 and communicated with the opening X11, the opening V12 communicated with the upper part of the opening Y13 is arranged on the remover 1, and the opening V12 penetrates to the upper side of the remover 1.

The opening V is used for inserting the knocking stick and knocking loose the pin, the coupling disc is embedded into the opening X, and the remover is clamped on the largest outer disc of the coupling. The opening Y is used to avoid the flat washer, the spring washer and the nut so that the elastic stud remover is stuck on the outside thereof. The opening Z is used to avoid the pin body and the elastic rubber ring so that the elastic pin removal device is clamped on the outside thereof.

The depth of the opening X11 is larger than the depth of the opening Y13 and the opening Z14 so as to form a space structure clamped with the outer disc 21, and the conical section 32 of the pin is positioned in the conical hole 22 of the outer disc 21. The front, back, left, right and lower side openings of the opening X11 facilitate the entrance and exit of the outer disc, the left side opening is used for communicating with the opening Y, and the right side opening is used for communicating with the opening Z.

Opening Y13's left and right, upper and lower side opening, the opening of left and downside makes things convenient for the business turn over of 3 left sections 31 of pin, the opening on right side realize with opening X's intercommunication, the opening of upside is used for with opening V intercommunication to strike the rod and can stretch into in the opening Y.

The left and lower side of opening Z14, the left side opening for communication with opening X, the lower side opening facilitating access to right section 33 of pintle 3. The upper and lower sides of the opening V12 are open, and both the upper and lower sides are open to facilitate the entry and exit of the slapper.

Dimension a is the thickness of the coupling disc (i.e. the length of the conical section), dimension B is the length of the right section after installation of the elastic dowel removal device, dimension D is the outer radius of the elastic rubber ring, and dimension C is the length of the left section after installation of the elastic dowel removal device.

The width of the opening X is 0.2 mm-0.3 mm larger than the thickness A of the coupling disc. The internal width dimension F of the opening Y is 2-3 mm larger than the excircle diameter of the flat gasket and the width dimension K of the knocking rod head, and the distance between the internal upper wall and the horizontal center line of the pin is 10-12 mm smaller than the dimension D. The internal width G of the opening Z is 2-3 mm larger than the diameter size 2D of the excircle of the rubber ring, the internal length is 5-6 mm larger than the size B, and the distance between the internal upper wall and the horizontal center line of the pin is 0.5mm larger than the size D. The length of the opening V is 20 mm-25 mm larger than that of the opening C, and the width dimension F is 2 mm-3 mm larger than that of the width dimension K of the knocking stick head.

Referring to fig. 6 to 7, the knocking stick 8 includes a rod portion 81 and a head portion 82 integrally connected, the head portion 82 is bent at a tip of the rod portion 81, and a bending angle α between the rod portion 81 and the head portion 82 is 130-170 °, so as to ensure that the rod portion can reverse the direction of prying for playing the car, and have a larger operation space.

The thickness of head 82 diminishes gradually to the direction of head, and the end department of head 82 is the circular arc transition, when guaranteeing the effort of head to the pin, reduces the structural material of head, makes things convenient for the head to stretch into the operation.

The width K of the head of the club which is purchased or manufactured is 2mm to 3mm smaller than the width F of the opening V, the total length K of the club is about 1000mm, and the bending angle of the head is preferably 150 degrees.

The working process of the utility model is as follows:

A. the nut is loosened until the spring washer has all rebounded, the opening X card of the pin removing device is placed on the maximum outer circular surface of the coupler, the pin body and the rubber ring are in the opening Z, and the nut and the washer are in the opening Y.

B. The knocking stick is inserted into the position shown in the schematic diagram from the upper part of the opening V, the end of the head is attached to the end face of the nut, the bent outer side face is attached to the left side face of the inner wall of the opening V, and then the knocking stick is knocked loose from the taper hole of the coupler by force along the direction indicated by the arrow.

C. And taking down the pin dismantling device, dismantling the nut and the gasket, and easily taking down the pin (comprising the rubber ring).

The foregoing basic embodiments of the utility model and their various further alternatives can be freely combined to form multiple embodiments, all of which are contemplated and claimed herein. In the scheme of the utility model, each selection example can be combined with any other basic example and selection example at will.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a device is demolishd to elasticity pin, includes demolishr (1) and strikes rod (8), its characterized in that: an opening X (11), an opening Y (13) and an opening Z (14) are arranged on the lower side of the remover (1), the opening X (11) is located on the right side of the opening Y (13) and communicated with the opening Y (13), the opening Z (14) is located on the right side of the opening X (11) and communicated with the opening X (11), an opening V (12) communicated with the upper portion of the opening Y (13) is arranged on the remover (1), and the opening V (12) penetrates through the upper side of the remover (1).

2. The resilient stud removal device of claim 1, wherein: the depth of the opening X (11) is larger than that of the opening Y (13) and the opening Z (14).

3. The elastic stud demolition arrangement according to claim 1 or 2, characterized in that: the opening X (11) is opened at the front, rear, left, right and lower sides.

4. The resilient stud removal device of claim 1, wherein: the left, right, upper and lower sides of the opening Y (13) are opened.

5. The elastic stud demolition arrangement according to claim 1 or 2, characterized in that: the left and lower sides of the opening Z (14) are open.

6. The elastic stud demolition arrangement according to claim 1 or 4, characterized in that: the upper and lower sides of the opening V (12) are open.

7. The resilient stud removal device of claim 1, wherein: the knocking stick (8) comprises a rod part (81) and a head part (82), wherein the head part (82) is bent at the end of the rod part (81).

8. The resilient stud removal device of claim 7, wherein: the bending angle alpha between the rod part (81) and the head part (82) is 130-170 degrees.

9. The resilient stud removal device of claim 7, wherein: the thickness of the head part (82) is gradually reduced towards the head part.

10. The elastic stud demolition arrangement according to claim 7 or 9, wherein: the end of the head (82) is in arc transition.

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