CN213512037U

CN213512037U - Main shaft piston rod

Info

Publication number: CN213512037U
Application number: CN202022214072.XU
Authority: CN
Inventors: 郭升旭; 安立志
Original assignee: Dalian Jinhao Precision Manufacturing Co ltd
Current assignee: Dalian Jinhao Precision Manufacturing Co ltd
Priority date: 2020-10-08
Filing date: 2020-10-08
Publication date: 2021-06-22
Anticipated expiration: 2030-10-08

Abstract

The utility model discloses a main shaft piston rod, including piston rod, lug and main shaft, the right side rigid coupling of piston rod has the lug, the main shaft is installed to the outer wall of lug, the outer wall clearance fit of the arc groove department inner wall of main shaft and lug, rotating device is installed to the outer wall of piston rod. This main shaft piston rod, through the main shaft, the second concave plate, a vertical plate, the arc, mutually support between bolt and the second diaphragm isotructure, the second diaphragm drives the arc through the riser and moves, make the arc recess inner wall and the main shaft laminating of arc, and it is fixed with the main shaft through the bolt, just so reached and carried out the purpose of installing fast to the piston rod, through passing through the piston rod, the rectangular block, first concave plate, first diaphragm, mutually support between horizontal pole and the second diaphragm isotructure, after the second diaphragm passes through the arc is fixed, the second diaphragm can be fixed first diaphragm through the horizontal pole, thereby can make the piston rod more stable.

Description

Main shaft piston rod

Technical Field

The utility model relates to a piston rod technical field specifically is a main shaft piston rod.

Background

The piston rod is a connecting part for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and a cylinder movement execution part, the piston rod is a movement part with frequent movement and high technical requirement, when the piston rod is normally used, the piston rod bears the alternating load effect, the surface of the piston rod is subjected to reciprocating friction, the piston rod is required to have high hardness and wear resistance, meanwhile, some piston rods are also connected with the main shaft, most of the piston rods in the prior art are welded with the main shaft, the phenomenon of welding can occur after long-time use, the maintenance is time-consuming and labor-consuming, and meanwhile, the piston rod in the prior art can also shake when rotating synchronously at high speed with the main shaft.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a main shaft piston rod to solve and propose in the above-mentioned background art and most of prior art all are piston rod and main shaft welding, just can open the welding phenomenon now through long-time the use, the problem that the maintenance is got up and is wasted time and energy.

In order to achieve the above object, the utility model provides a following technical scheme: a main shaft piston rod comprises a piston rod, a convex block and a main shaft, wherein the convex block is fixedly connected to the right side of the piston rod, the main shaft is installed on the outer wall of the convex block, the inner wall of an arc-shaped groove of the main shaft is in clearance fit with the outer wall of the convex block, and a rotating device is installed on the outer wall of the piston rod;

the rotating device comprises a rectangular block, a first concave plate, a first rotating shaft, a first transverse plate, a transverse rod and a second transverse plate;

the inner wall of rectangular block links to each other with the outer wall of piston rod is fixed, the upper and lower both sides rigid coupling of rectangular block has first notch plate, the groove of first notch plate rotates through first pivot and links to each other there is first diaphragm, the right side rigid coupling of first diaphragm has the horizontal pole, the right side rigid coupling of horizontal pole has the second diaphragm.

Preferably, the outer wall of the cross bar is textured.

Preferably, the width dimension of the rectangular block is greater than the width dimension of the first concave plate.

Preferably, a fixing device is installed on the inner side of the second transverse plate;

the fixing device comprises a second concave plate, a second rotating shaft, a vertical plate, an arc-shaped plate, a bolt and a rubber ring;

from top to bottom the second notch plate rotates with the second diaphragm through the second pivot and links to each other, the inboard rigid coupling of second notch plate has the riser, the inboard rigid coupling of riser has the arc, the arc groove of arc closely laminates with the outer wall of main shaft, the arc links to each other with the main shaft screw thread through a plurality of bolts, the left side of arc is equipped with the rubber circle, the inner wall of rubber circle is laminated with the outer wall of lug mutually, the left and right sides outer wall of rubber circle is laminated with the outer wall of piston rod and main shaft respectively mutually.

Preferably, the upper and lower arc-shaped plates are symmetrically arranged.

Preferably, the vertical plate and the second concave plate are vertically arranged.

Compared with the prior art, the beneficial effects of the utility model are that: this main shaft piston rod, through mutually supporting between structures such as main shaft, second concave plate, riser, arc, bolt and second diaphragm, the second diaphragm drives the arc through the riser and removes, makes the arc recess inner wall and the main shaft laminating of arc to it is fixed with the main shaft through the bolt, has just so reached and has carried out the purpose of installing fast to the piston rod.

Through mutually supporting between structures such as through piston rod, rectangle piece, first notch plate, first diaphragm, horizontal pole and second diaphragm, after the second diaphragm passes through the arc and fixes, the second diaphragm can be fixed first diaphragm through the horizontal pole to can make the piston rod more stable.

Drawings

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

FIG. 2 is a schematic structural view of the first concave plate, the first rotating shaft and the first transverse plate in FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 at the location of the bolt, the projection, and the spindle;

fig. 4 is a schematic structural diagram of the second rotating shaft, the vertical plate and the arc-shaped plate in fig. 1.

In the figure: 1. piston rod, 2, lug, 3, rotating device, 301, rectangular block, 302, first notch plate, 303, first pivot, 304, first diaphragm, 305, horizontal pole, 306, second diaphragm, 4, fixing device, 401, second notch plate, 402, second pivot, 403, riser, 404, arc, 405, bolt, 406, rubber circle, 5, main shaft.

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 main shaft piston rod comprises a piston rod 1, a convex block 2 and a main shaft 5, wherein the convex block 2 is fixedly connected to the right side of the piston rod 1, the main shaft 5 is installed on the outer wall of the convex block 2, an arc-shaped block groove is processed on the left side of the main shaft 5, the inner wall of the arc-shaped groove of the main shaft 5 is in clearance fit with the outer wall of the convex block 2, a rotating device 3 is installed on the outer wall of the piston rod 1, the rotating device 3 comprises a rectangular block 301, a first concave plate 302, a first rotating shaft 303, a first transverse plate 304, a transverse rod 305 and a second transverse plate 306, the inner wall of the rectangular block 301 is fixedly connected with the outer wall of the piston rod 1, the first concave plate 302 is fixedly connected to the upper side and the lower side of the rectangular block 301, the first transverse plate 304 is rotatably connected to the groove of the first concave plate 302 through the first rotating shaft 303, the first transverse plate 304 can rotate through the first rotating shaft 303, the transverse, the outer wall of the cross bar 305 is textured and the width dimension of the rectangular block 301 is greater than the width dimension of the first concave plate 302.

The fixing device 4 is installed on the inner side of the second transverse plate 306, the fixing device 4 comprises a second concave plate 401, a second rotating shaft 402, a vertical plate 403, an arc plate 404, a bolt 405 and a rubber ring 406, the upper and lower second concave plates 401 are rotatably connected with the second transverse plate 306 through the second rotating shaft 402, the second concave plate 401 can rotate at the second transverse plate 306 through the second rotating shaft 402, the vertical plate 403 is fixedly connected to the inner side of the second concave plate 401, the arc plate 404 is fixedly connected to the inner side of the vertical plate 403, the arc groove of the arc plate 404 is tightly attached to the outer wall of the main shaft 5, the arc plate 404 is in threaded connection with the main shaft 5 through 2 bolts 405, the arc plate 404 can be fixed at the main shaft 5 through the bolts 405, the rubber ring 406 is arranged on the left side of the arc plate 404, the inner wall of the rubber ring 406 is attached to the outer wall of the convex block 2, the outer walls on the left and right sides of the rubber, the fixing effect can be improved through the rubber ring 406, the upper arc-shaped plate 404 and the lower arc-shaped plate 404 are symmetrically arranged, and the vertical plate 403 and the second concave plate 401 are vertically arranged.

When an operator needs to use the main shaft piston rod, firstly, the operator installs the rubber ring 406 on the outer wall of the convex block 2 to drive the piston rod 1 to move, so that the piston rod 1 drives the convex block 2 to enter the groove of the main shaft 5, the operator holds the second concave plate 401, rotates the cross rod 305, drives the second transverse plate 306 to rotate through the cross rod 305, so that the second transverse plate 306 drives the second concave plate 401 to rotate, the second concave plate 401 drives the arc plate 404 to rotate through the vertical plate 403, so that the inner wall of the arc groove of the arc plate 404 is attached to the outer wall of the main shaft 5, the right side of the piston rod 1 drives the rubber ring 406 to abut against the left side of the main shaft 5, the fixing effect of the piston rod 1 and the main shaft 5 can be improved through the rubber ring 406, and then the arc plate 404 and the main shaft 5 are fixed through the bolt 405, so that the purpose of quickly installing the piston, and simultaneously, the vibration amplitude of the piston rod 1 rotating along with the main shaft 5 is reduced.

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. The utility model provides a main shaft piston rod, includes piston rod (1), lug (2) and main shaft (5), the right side rigid coupling of piston rod (1) has lug (2), main shaft (5) are installed to the outer wall of lug (2), the arc groove inner wall of main shaft (5) and the outer wall clearance fit of lug (2), its characterized in that: the outer wall of the piston rod (1) is provided with a rotating device (3);

the rotating device (3) comprises a rectangular block (301), a first concave plate (302), a first rotating shaft (303), a first transverse plate (304), a cross bar (305) and a second transverse plate (306);

the inner wall of rectangle piece (301) links to each other with the outer wall of piston rod (1) is fixed, the upper and lower both sides rigid coupling of rectangle piece (301) has first notch plate (302), the groove of first notch plate (302) rotates through first pivot (303) and links to each other and has first diaphragm (304), the right side rigid coupling of first diaphragm (304) has horizontal pole (305), the right side rigid coupling of horizontal pole (305) has second diaphragm (306).

2. A spindle piston rod according to claim 1 wherein: the outer wall of the cross bar (305) is textured.

3. A spindle piston rod according to claim 1 wherein: the width dimension of the rectangular block (301) is greater than the width dimension of the first concave plate (302).

4. A spindle piston rod according to claim 1 wherein: a fixing device (4) is arranged on the inner side of the second transverse plate (306);

the fixing device (4) comprises a second concave plate (401), a second rotating shaft (402), a vertical plate (403), an arc-shaped plate (404), a bolt (405) and a rubber ring (406);

from top to bottom second concave plate (401) rotates with second diaphragm (306) through second pivot (402) and links to each other, the inboard rigid coupling of second concave plate (401) has riser (403), the inboard rigid coupling of riser (403) has arc (404), the arc groove department of arc (404) closely laminates with the outer wall of main shaft (5), arc (404) link to each other with main shaft (5) screw thread through a plurality of bolts (405), the left side of arc (404) is equipped with rubber circle (406), the inner wall of rubber circle (406) laminates with the outer wall of lug (2), the left and right sides outer wall of rubber circle (406) laminates with the outer wall of piston rod (1) and main shaft (5) respectively.

5. A spindle piston rod according to claim 4 wherein: the upper arc plate (404) and the lower arc plate (404) are symmetrically arranged.

6. A spindle piston rod according to claim 4 wherein: the vertical plate (403) and the second concave plate (401) are vertically arranged.