CN215171485U

CN215171485U - Anti-loosening crank pin

Info

Publication number: CN215171485U
Application number: CN202120228160.7U
Authority: CN
Inventors: 戴义明; 王怡淦; 戴兵; 栾家宏; 戴京; 孟庆武; 陈飞龙
Original assignee: Jiangsu Tenglong Petrochemical Machinery Co ltd
Current assignee: Jiangsu Tenglong Petrochemical Machinery Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-12-14
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a locking crank pin, which comprises a crank, the notch has all been processed to both sides about the articulate front, two the inside of recess is all installed and is supported tight mechanism, it includes spring, handle, montant and arc board to support tight mechanism, the top of spring and the inner wall top looks rigid coupling of recess. Carry out elasticity support to the handle through supporting tight mechanism spring self elasticity, the cooperation montant drives the arc board and moves to the inboard, and then make two arc boards support the backing plate tightly, prevent that the installation from making to take place to rock, normal installation has been ensured, the practicality has been improved, support cooperation arc board to support tightly fixedly to the backing plate through supporting tight mechanism spring self elasticity to the handle, backing plate and crank laminating messenger's emergence friction has been prevented, backing plate installation rear edge emergence frictional deformation has been avoided, connection stability has been improved, thereby support tightly crank below notch, bolt fastening form has been changed, the installation is simple, convenient to detach, the use degree of difficulty has been reduced, and the facilitate promotion.

Description

Anti-loosening crank pin

Technical Field

The utility model relates to a locking crank pin technical field specifically is a locking crank pin.

Background

The crank pin is composed of a pin and a countersunk head screw, and is characterized in that the pin is two wedge-shaped bodies, the inner surfaces of the two wedge-shaped bodies are inclined planes, and the outer surfaces of the wedge-shaped bodies are planes, for example, the anti-loosening crank pin device with the patent number of '200920313546.7' comprises a bearing and a crank in a bearing seat, the crank pin passes through a mounting cavity of the crank and extends out of the crank, and the crank pin and the crank are locked for a long time without loosening.

The backing plate is for directly laminating when using for current locking crank pin, and the installation makes and takes place to rock easily, influences the normal use installation, has reduced the practicality to easy crank takes place the friction during backing plate laminating, leads to backing plate edge friction to warp, reduces to connect stably, and the bottom fixed pin is the bolt installation simultaneously, and the installation is troublesome, and the dismantlement of being not convenient for has increased the use degree of difficulty, is not conform to modern's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a locking crank pin to propose current locking crank pin when using backing plate for directly laminating in solving above-mentioned background art, the installation makes to take place to rock easily, influences the normal use installation, has reduced the problem of practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a locking crank pin comprises a crank, wherein notches are formed in the upper side and the lower side of the front face of the crank, straight plates are fixedly connected to the upper end and the lower end of the right side of the crank, grooves are formed in the inner walls of the two straight plates, and abutting mechanisms are arranged inside the two grooves;

the abutting mechanism comprises a spring, a handle, a vertical rod and an arc plate;

the top of the spring is fixedly connected with the top of the inner wall of the groove, the bottom of the spring is fixedly connected with the left side of the top of the handle, the inner wall of the handle is fixedly connected with the upper portion of the outer wall of the vertical rod, and the bottom of the vertical rod is fixedly connected with the top of the arc plate.

Preferably, the spring, the handle and the groove form an elastic mechanism.

Preferably, the inner sides of the two arc plates are tightly propped against a base plate, and the left side of the base plate is tightly propped against the right side of the crank.

Preferably, be located the top the inner wall of recess is pegged graft and is had the gum cover, the inner wall of gum cover is pegged graft and is had the crank pin, the upper clearance fit of the outer wall right side of crank pin and backing plate, the outer wall right side threaded connection of crank pin has the nut, the left side of nut offsets tightly with the right side top of backing plate.

Preferably, a fixing mechanism is arranged below the right side of the base plate;

the fixing mechanism comprises a square plate, a short plate, a stud, a handle, a transverse plate and a long rod;

the left side of square plate offsets tightly with the right side below of backing plate, the front right-hand member of square plate and the rear end face looks rigid coupling of short slab, the inner wall of short slab rotates with stud's outer wall and links to each other, stud's bottom and the top looks rigid coupling of handle, both sides are connected with the right side threaded connection of diaphragm respectively about stud's the outer wall, two both sides clearance fit about the front of diaphragm respectively with the outer wall of stock, both sides are fixed connection mutually about the front of stock respectively with the square plate.

Preferably, the left end surfaces of the outer sides of the two transverse plates respectively abut against the upper side and the lower side of the inner wall of the groove below the transverse plates.

Preferably, the stud, the handle and the transverse plate form a lifting mechanism.

Preferably, the left ends of the outer sides of the two transverse plates are both provided with a convex block.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-loosening crank pin elastically supports the handle through the elasticity of the spring of the abutting mechanism, and is matched with the vertical rod to drive the arc plates to move inwards, so that the two arc plates abut against the backing plate tightly, the installation is prevented from shaking, the normal installation is ensured, and the practicability is improved;

the handle is elastically supported by the elastic force of the spring of the abutting mechanism and the base plate is abutted and fixed by the arc plate, so that the base plate is prevented from being attached to the crank to cause friction, the rear edge of the base plate after installation is prevented from being subjected to frictional deformation, and the connection stability is improved;

the handles of the fixing mechanisms drive the double-ended studs to rotate, so that the transverse plates move upwards on two sides of the outer wall of the long rod, the groove openings below the cranks are tightly supported, the bolt fixing form is changed, the installation is simple, the disassembly is convenient, the use difficulty is reduced, and the popularization is convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the spring, the handle and the upright rod in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the square plate, the short plate and the stud in FIG. 1;

FIG. 4 is a schematic view of the connection structure of the stud, cross plate and vertical rod in FIG. 1.

In the figure: 1. crank, 2, support tight mechanism, 201, spring, 202, handle, 203, montant, 204, arc board, 3, fixed establishment, 301, square plate, 302, short slab, 303, stud, 304, handle, 305, diaphragm, 306, stock, 4, notch, 5, gum cover, 6, crank pin, 7, nut, 8, straight board, 9, recess, 10, backing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a kind of anti-loose crank pin, including the crank 1, both sides are processed with the notch 4 about the front of the crank 1, both ends are fixedly connected with the straight board 8 about the right side of the crank 1, the inner wall of two straight boards 8 is processed with the recess 9, the inside of two recesses 9 is installed and supported the tight mechanism 2, support the tight mechanism 2 and include the spring 201, the handle 202, the montant 203 and the arc plate 204, the top of the spring 201 is fixedly connected with top of inner wall of the recess 9, the bottom of the spring 201 is fixedly connected with left side of top of the handle 202, the handle 202 is convenient for drive the spring 201 to move upwards, the inner wall of the handle 202 is fixedly connected with upper side of outer wall of the montant 203, the bottom of the montant 203 is fixedly connected with top of the arc plate 204, the spring 201, the handle 202 and recess 9 form the elastic mechanism, the handle 202 extrudes the spring 201 upwards, the spring is rebounded by the elastic force of the spring 201, the inner sides of the two arc plates 204 are tightly propped against the backing plate 10, and the left side of the backing plate 10 is tightly propped against the right side of the crank 1.

The inner wall of the upper groove 9 is inserted with a rubber sleeve 5, the rubber sleeve 5 is made of rubber, the inner wall of the rubber sleeve 5 is inserted with a crank pin 6, the right side of the outer wall of the crank pin 6 is in clearance fit with the upper part of the backing plate 10, the crank pin 6 is stressed to move left and right through the upper part of the backing plate 10, the right side of the outer wall of the crank pin 6 is in threaded connection with a nut 7, the left side of the nut 7 is tightly abutted with the upper part of the right side of the backing plate 10, a fixing mechanism 3 is installed below the right side of the backing plate 10, the fixing mechanism 3 comprises a square plate 301, a short plate 302, a stud 303, a handle 304, a transverse plate 305 and a long rod 306, the left side of the square plate 301 is tightly abutted with the lower part of the right side of the backing plate 10, the right end of the front side of the square plate 301 is fixedly connected with the rear end surface of the short plate 302, the inner wall of the short plate 302 is rotatably connected with the outer wall of the stud 303, the stud 303 is stressed to rotate through a bearing on the inner wall of the short plate 302, the bottom of the stud 303 is fixedly connected with the top of the handle 304, the handle 304 is convenient for driving the stud 303 to rotate, the upper side and the lower side of the outer wall of the stud 303 are respectively in threaded connection with the right side of the transverse plate 305, the front surfaces of the two transverse plates 305 are respectively in clearance fit with the upper side and the lower side of the outer wall of the long rod 306, the transverse plate 305 is stressed to move up and down through the outer wall of the long rod 306, the upper side and the lower side of the long rod 306 are respectively fixedly connected with the upper end and the lower end of the front surface of the square plate 301, the outer left end surfaces of the two transverse plates 305 are respectively abutted against the upper side and the lower side of the inner wall of the groove 9 below, the stud 303, the handle 304 and the transverse plate 305 form a lifting mechanism, the handle 304 drives the stud 303 to rotate, so that the transverse plates 305 move up and down, convex blocks are processed at the outer left ends of the two transverse plates 305, and the transverse plates 305 are conveniently clamped with the inside of the lower groove opening 4.

In this example, when using the crank pin 6, the rubber sleeve 5 is now placed inside the notch 4 above the crank 1, then the crank pin 6 is inserted into the rubber sleeve 5, and at the same time the handle 202 is used to drive the spring 201 to move outwards on the inner wall of the groove 9, so that the arc plate 204 is opened outwards, then the left side of the backing plate 10 is attached to the right side of the crank 1, then the right side of the crank pin 6 is passed through the upper part of the backing plate 10, then the nut 7 is screwed to the right side of the outer wall of the crank pin 6 until the left side of the nut 7 abuts against the right side of the backing plate 10, then the handle 202 is released, the spring 201 provides elasticity to make the handle 202 rebound inwards on the inner wall of the groove 9, and then the vertical rod 203 is used to drive the arc plate 204 to move inwards, the backing plate 10 is abutted, then the handle 304 is used to drive the stud 303 to rotate, so that the horizontal plate 305 moves inwards through the long rod 306, then, the transverse plate 305 is inserted through the lower part of the base plate 10 and is inserted into the lower slot 4, and then the handle 304 is rotated reversely to drive the stud 303 to rotate, so that the transverse plate 305 moves outwards, the inner wall of the lower slot 4 is tightly abutted, and the installation of the crank pin 6 and the crank is completed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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 stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A locking crank pin, comprising a crank (1), characterized in that: notches (4) are formed in the upper side and the lower side of the front face of the crank (1), straight plates (8) are fixedly connected to the upper end and the lower end of the right side of the crank (1), grooves (9) are formed in the inner walls of the two straight plates (8), and abutting mechanisms (2) are mounted inside the two grooves (9);

the abutting mechanism (2) comprises a spring (201), a handle (202), a vertical rod (203) and an arc plate (204);

the top of spring (201) and the inner wall top looks rigid coupling of recess (9), the bottom of spring (201) and the top left side looks rigid coupling of handle (202), the inner wall of handle (202) and the outer wall top looks rigid coupling of montant (203), the bottom of montant (203) and the top looks rigid coupling of arc board (204).

2. A locking crank pin according to claim 1, characterized in that: the spring (201), the handle (202) and the groove (9) form an elastic mechanism.

3. A locking crank pin according to claim 1, characterized in that: the inner sides of the two arc plates (204) are tightly propped against a base plate (10), and the left side of the base plate (10) is tightly propped against the right side of the crank (1).

4. A locking crank pin according to claim 1, characterized in that: the upper portion is located the inner wall of recess (9) is pegged graft and is had gum cover (5), the inner wall of gum cover (5) is pegged graft and is had crank pin (6), the top clearance fit of the outer wall right side of crank pin (6) and backing plate (10), the outer wall right side threaded connection of crank pin (6) has nut (7), the left side of nut (7) offsets tightly with the right side top of backing plate (10).

5. A locking crank pin according to claim 3, characterized in that: a fixing mechanism (3) is arranged below the right side of the base plate (10);

the fixing mechanism (3) comprises a square plate (301), a short plate (302), a stud (303), a handle (304), a transverse plate (305) and a long rod (306);

the left side of square plate (301) offsets tightly with the right side below of backing plate (10), the front right-hand member of square plate (301) and the rear end face looks rigid coupling of short slab (302), the inner wall of short slab (302) rotates with stud (303)'s outer wall and links to each other, stud (303)'s bottom and the top looks rigid coupling of handle (304), both sides respectively with the right side threaded connection of diaphragm (305) about stud (303)'s the outer wall, two both sides clearance fit about the front of diaphragm (305) respectively with the outer wall of stock (306), both sides are upper and lower both ends looks rigid coupling respectively with the front of square plate (301) about stock (306).

6. A locking crank pin according to claim 5, characterized in that: the left end surfaces of the outer sides of the two transverse plates (305) are respectively abutted against the upper side and the lower side of the inner wall of the lower groove (9).

7. A locking crank pin according to claim 5, characterized in that: the stud (303), the handle (304) and the transverse plate (305) form a lifting mechanism.

8. A locking crank pin according to claim 5, characterized in that: the left ends of the outer sides of the two transverse plates (305) are both provided with a convex block.