CN214888078U

CN214888078U - Oil cylinder cover dropout prevention means

Info

Publication number: CN214888078U
Application number: CN202121398912.0U
Authority: CN
Inventors: 蒲敏
Original assignee: Chongqing Ailifu Electronics Co ltd
Current assignee: Chongqing Ailifu Electronics Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-11-26
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses an anti-drop device of an oil cylinder cover, which comprises an oil cylinder body and an oil cylinder cover, wherein the anti-drop part is arranged at the upper end of the oil cylinder body, a plurality of through holes are arranged on the side wall of the anti-drop part, the anti-drop part is arranged at the upper end of the oil cylinder body, mounting screws are arranged in the through holes of the anti-drop part, the mounting screws are in threaded connection with the side wall of the oil cylinder body, a plurality of thread grooves are arranged on the upper surface of the anti-drop part, the thread grooves and the mounting screws are mutually staggered and do not mutually interfere, springs are arranged at the bottoms of the thread grooves, a round hole is arranged on the upper side wall of the anti-drop part, a plurality of mounting holes are arranged at the position of the oil cylinder cover close to the side edge of the oil cylinder cover, the oil cylinder cover is arranged on the upper surface of the anti-drop part, a locking bolt is arranged between the oil cylinder cover and the anti-drop part, the device effectively prevents the oil cylinder cover from dropping, and further avoid the problems of oil leakage, equipment failure and the like caused by loosening and separation of the oil cylinder cover.

Description

Oil cylinder cover dropout prevention means

Technical Field

The utility model relates to a hydro-cylinder technical field, concrete field is a hydro-cylinder cap dropout prevention means.

Background

The oil cylinder is a linear motion type executive component with output force proportional to the effective area of the piston and the pressure difference between the effective area and the two sides of the piston, the function of the oil cylinder is to convert hydraulic energy into mechanical energy, the input quantity of the oil cylinder is the flow and the pressure of fluid, and the output quantity is linear motion speed and force. The piston of the hydraulic cylinder can complete linear reciprocating motion, the output linear displacement is limited, the hydraulic cylinder is an energy conversion device for converting hydraulic energy into mechanical energy of reciprocating linear motion, and the hydraulic cylinder basically comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffer device and an exhaust device. The traditional connecting structure of the oil cylinder and the oil cylinder cover often causes the loosening and the separation between the oil cylinder and the oil cylinder cover, so that oil liquid leaks out, equipment faults not only cause the loss on the production cost, but also cause production accidents more easily, and threaten the personal safety of workers. Therefore, the anti-falling device for the oil cylinder cover is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil cylinder lid dropout prevention means to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-falling device of an oil cylinder cover comprises an oil cylinder body and the oil cylinder cover, wherein an oil cylinder base is arranged at the lower end of the oil cylinder body, a piston is arranged inside the oil cylinder body, the upper end of the piston is connected with a piston rod, an anti-falling part is arranged at the upper end of the oil cylinder body, the anti-falling part is cylindrical, a plurality of through holes are formed in the side wall of the anti-falling part, the anti-falling part is installed at the upper end of the oil cylinder body, installation screws are arranged in the through holes of the anti-falling part and are in threaded connection with the side wall of the oil cylinder body, a plurality of thread grooves are formed in the upper surface of the anti-falling part, the thread grooves are formed in the side wall of the anti-falling part, the thread grooves and the installation screws are mutually staggered and do not interfere with each other, springs are arranged at the bottoms of the thread grooves, round holes are formed in the upper side wall of the anti-falling part, and the inner diameter of the round holes is matched with the diameter of the cross section of the piston rod, the inboard of anticreep piece's round hole is equipped with the cushion ring, the tank cap is close to its side department and is equipped with a plurality of mounting hole, the tank cap is installed in the upper surface of anticreep piece, be equipped with locking bolt between tank cap and the anticreep piece, locking bolt's lower extreme and spring contact just with the inside wall threaded connection of thread groove, the piston rod passes the tank cap, the tank cap is equipped with piston rod seal with piston rod contact department.

Preferably, the mounting screw is a countersunk head hexagon socket head cap screw.

Preferably, the upper surface of the oil cylinder cover is provided with a dustproof ring, the dustproof ring is sleeved on the piston rod, and the lower surface of the dustproof ring is fixedly connected with the upper surface of the oil cylinder cover.

Preferably, an annular sealing gasket is arranged at the contact position of the upper end of the oil cylinder body and the anti-falling part.

Preferably, the lower end of the piston rod penetrates through the piston and is in threaded connection with a locking nut, the side edge of the piston is provided with a piston seal, the upper end of the piston is provided with a buffer sleeve, and the buffer sleeve is sleeved at the lower end of the piston rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an oil cylinder lid dropout prevention means provides ascending elasticity through the spring to the locking bolt, makes the internal thread in close contact with in the external screw thread of locking bolt and the thread groove, and the effectual locking bolt that prevents relaxs, and then the effectual oil cylinder lid that has prevented drops, and then has avoided because the oil cylinder lid is not hard up breaks away from, causes fluid to leak outward, equipment trouble scheduling problem.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the present invention;

FIG. 3 is a schematic view of the anti-falling part of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1-an oil cylinder body, 2-an oil cylinder cover, 3-an oil cylinder base, 4-a piston, 5-a piston rod, 6-an anti-drop piece, 7-a through hole, 8-a mounting screw, 9-a thread groove, 10-a spring, 11-a round hole, 12-an oil cylinder cover, 13-a mounting hole, 14-a locking bolt, 15-a piston rod seal, 16-a dust ring, 17-an annular sealing gasket, 18-a locking nut, 19-a piston seal and 20-a buffer sleeve.

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: an oil cylinder cover anti-falling device comprises an oil cylinder body 1 and an oil cylinder cover 2, wherein an oil cylinder base 3 is arranged at the lower end of the oil cylinder body 1, a piston 4 is arranged inside the oil cylinder body 1, the upper end of the piston 4 is connected with a piston rod 5, an upper end anti-falling part 6 of the oil cylinder body 1 is cylindrical, a plurality of through holes 7 are formed in the side wall of the anti-falling part 6, the anti-falling part 6 is installed at the upper end of the oil cylinder body 1, installation screws 8 are arranged in the through holes 7 of the anti-falling part 6, the installation screws 8 are in threaded connection with the side wall of the oil cylinder body 1, the anti-falling part 6 is sleeved at the upper end of the oil cylinder body 1, then the installation screws 8 are screwed, the fixation of the anti-falling part 6 is completed, the installation is convenient, a plurality of thread grooves 9 are formed in the upper surface of the anti-falling part 6, and the thread grooves 9 are formed in the side wall of the anti-falling part 6, the oil cylinder cover is characterized in that the thread groove 9 and the mounting screw 8 are mutually staggered and do not interfere with each other, a spring 10 is arranged at the bottom of the thread groove 9, a round hole 11 is formed in the upper side wall of the anti-dropping part 6, the inner diameter of the round hole 11 is matched with the diameter of the cross section of the piston rod 5, a buffer ring 12 is arranged on the inner side of the round hole 11 of the anti-dropping part 6, a plurality of mounting holes 13 are formed in the position, close to the side edge of the oil cylinder cover 2, the oil cylinder cover 2 is mounted on the upper surface of the anti-dropping part 6, a locking bolt 14 is arranged between the oil cylinder cover 2 and the anti-dropping part 6, the lower end of the locking bolt 14 is in contact with the spring 10 and in threaded connection with the inner side wall of the thread groove 9, the oil cylinder cover 2 is placed at the upper end of the anti-dropping part 6, the mounting holes 13 and the thread groove 9 on the oil cylinder cover 2 are aligned with the thread groove 9, then the locking bolt 14 is inserted into the mounting holes 13 and is screwed up, and the locking bolt 14 is screwed up, the upper end of spring 10 and the upper end contact of locking bolt 14, spring 10 provides ascending elasticity to locking bolt 14 this moment, makes the external screw thread of locking bolt 14 and the internal thread in the thread groove 9 in the in close contact with, and the effectual locking bolt 14 that prevents relaxes, and then the effectual drop that prevents oil cylinder lid 2, piston rod 5 passes oil cylinder lid 2, oil cylinder lid 2 is equipped with piston rod seal 15 with piston rod 5 contact department.

Particularly, installation screw 8 is countersunk head hexagon socket head cap screw, simple to operate, is in the lateral wall of anticreep piece 6 after the installation of hexagon socket head cap screw moreover, and occupation space is not, and the outward appearance is pleasing to the eye moreover.

Particularly, the upper surface of oil cylinder lid 2 is equipped with dust ring 16, the suit of dust ring 16 is on piston rod 5 and the lower surface of dust ring 16 is connected with the upper surface fixed of oil cylinder lid 2, and the leakproofness between piston rod 5 and the oil cylinder lid 2 can be guaranteed in setting for of dust ring 16, prevents that there is the dust to get into in the use.

Particularly, the contact position of the upper end of the oil cylinder body 1 and the anti-falling part 6 is provided with an annular sealing gasket 17, and the annular sealing gasket 17 can ensure the internal air tightness of the oil cylinder body 1.

Particularly, the lower extreme of piston rod 5 runs through piston 4 and threaded connection has lock nut 18, the side of piston 4 is equipped with piston seal 19, the upper end of piston 4 is equipped with buffer sleeve 20, the lower extreme at piston rod 5 is overlapped to buffer sleeve 20, and this kind of structure simple to operate can guarantee moreover that the connection between piston 4 and the piston rod 5 is firm, and the reliability is high.

The working principle is as follows: the utility model discloses during the use, 6 covers the upper end at hydro-cylinder body 1 with anticreep piece, then screw up mounting screw 8, accomplish the fixed to anticreep piece 6, high durability and convenient installation, place the upper end of anticreep piece 6 with hydro-cylinder cover 2, with mounting hole 13 and thread groove 9 on the hydro-cylinder cover 2 to it, then insert locking bolt 14 to mounting hole 13 in, and screw up locking bolt 14, locking bolt 14 screws up the back, the upper end of spring 10 and locking bolt 14's upper end contact, spring 10 provides ascending elasticity to locking bolt 14 this moment, make locking bolt 14's external screw thread and the internal thread in the thread groove 9 in close contact with, effectually prevent that locking bolt 14 is lax, and then effectually prevented coming off of hydro-cylinder cover 2, and then avoided because the not hard up of hydro-cylinder cover 2 breaks away from, cause the outer hourglass of fluid, equipment trouble.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 an oil cylinder lid dropout prevention means, includes hydro-cylinder body (1) and oil cylinder lid (2), its characterized in that: the lower extreme of hydro-cylinder body (1) is equipped with hydro-cylinder base (3), the inside of hydro-cylinder body (1) is equipped with piston (4), the upper end of piston (4) is connected with piston rod (5), upper end anticreep spare (6) of hydro-cylinder body (1), anticreep spare (6) are cylindric, a plurality of through-hole (7) have been seted up to the lateral wall of anticreep spare (6), anticreep spare (6) are installed in the upper end of hydro-cylinder body (1), be equipped with installation screw (8) in the through-hole (7) of anticreep spare (6), installation screw (8) and the lateral wall threaded connection of hydro-cylinder body (1), the upper surface of anticreep spare (6) is equipped with a plurality of thread groove (9), set up of thread groove (9) in the lateral wall of anticreep spare (6), thread groove (9) and installation screw (8) are crisscross each other and mutually noninterfere, the bottom of thread groove (9) is equipped with spring (10), round hole (11) have been seted up to the last lateral wall of anticreep piece (6), the internal diameter of round hole (11) and the cross section diameter phase-match of piston rod (5), the inboard of round hole (11) of anticreep piece (6) is equipped with buffer ring (12), oil cylinder lid (2) are close to its side department and are equipped with a plurality of mounting hole (13), install in the upper surface of anticreep piece (6) oil cylinder lid (2), be equipped with locking bolt (14) between oil cylinder lid (2) and anticreep piece (6), the lower extreme and spring (10) contact of locking bolt (14) and with the inside wall threaded connection of thread groove (9), piston rod (5) pass oil cylinder lid (2), oil cylinder lid (2) and piston rod (5) contact department are equipped with piston rod seal (15).

2. The drop preventing device for the oil cylinder cover according to claim 1, characterized in that: the mounting screw (8) is a countersunk head inner hexagonal screw.

3. The drop preventing device for the oil cylinder cover according to claim 1, characterized in that: the upper surface of the oil cylinder cover (2) is provided with a dust ring (16), the dust ring (16) is sleeved on the piston rod (5) and the lower surface of the dust ring (16) is fixedly connected with the upper surface of the oil cylinder cover (2).

4. The drop preventing device for the oil cylinder cover according to claim 1, characterized in that: an annular sealing gasket (17) is arranged at the contact position of the upper end of the oil cylinder body (1) and the anti-falling part (6).

5. The drop preventing device for the oil cylinder cover according to claim 1, characterized in that: the lower extreme of piston rod (5) runs through piston (4) and threaded connection has lock nut (18), the side of piston (4) is equipped with piston seal (19), the upper end of piston (4) is equipped with cushion collar (20), cushion collar (20) suit is at the lower extreme of piston rod (5).