CN217381106U

CN217381106U - Dust protected cylinder

Info

Publication number: CN217381106U
Application number: CN202221065729.3U
Authority: CN
Inventors: 沈佳挺
Original assignee: Ningbo Yongyi Gaoke Pneumatics Co ltd
Current assignee: Ningbo Yongyi Gaoke Pneumatics Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-09-06
Anticipated expiration: 2032-05-06

Abstract

The utility model belongs to the technical field of the cylinder, concretely relates to dust protected cylinder, including cylinder, be provided with first ring flange on the cylinder, be provided with the second ring flange on the first ring flange, the second ring flange passes through bolted connection with first ring flange, first oil filler point has been seted up to the inside of second ring flange, the fixedly connected with closing plate in the first oil filler point, the lubrication hole has been seted up to the inside of closing plate, the contact has the end disc on the second ring flange, fixedly connected with sealing plug on the end disc, sealing plug and first oil filler point sliding connection. The utility model discloses a cooperation of sealing ring, connecting rod, sealing plug isotructure is used, can seal the processing to first oil cavity, avoids first oil filler point to receive the invasion and attack of impurity under abominable dust environment, causes the poor problem of piston rod reciprocating motion performance.

Description

Dust protected cylinder

Technical Field

The utility model relates to a cylinder technical field specifically is a dust protected cylinder.

Background

As is known well, the dustproof cylinder comprises a cylinder barrel, an end cover, a piston rod, a sealing element and the like, and a cylindrical metal part which guides the piston to perform linear reciprocating motion in the cylinder, but the traditional dustproof cylinder also has certain defects, the oil filler point does not have a good sealing mechanism, the invasion and attack of impurities such as dust in the oil filler point can be easily caused after the traditional dustproof cylinder is exposed in a severe dust environment for a long time, the reciprocating motion performance of the piston rod is poor, and a good limiting mechanism is not arranged, so that the Y joint and the piston rod can easily shake.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust protected cylinder has solved current dust protected cylinder, and the oil filler point does not have good sealing mechanism, exposes for a long time and easily causes the invasion and attack of impurity such as the inside dust of oil filler point in abominable dust environment, causes the poor problem of piston rod reciprocating motion performance to solved not having good stop gear, makeed Y connect and the piston rod easily produces the problem of rocking.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof cylinder comprises a cylinder barrel, wherein a first flange plate is arranged on the cylinder barrel, a second flange plate is arranged on the first flange plate, the second flange plate is connected with the first flange plate through a bolt, a first oil filling hole is formed in the second flange plate, a sealing plate is fixedly connected in the first oil filling hole, a lubricating hole is formed in the sealing plate, an end plate is contacted on the second flange plate, a sealing plug is fixedly connected on the end plate, the sealing plug is in sliding connection with the first oil filling hole, a connecting rod is fixedly connected on the sealing plug, a first spring is arranged on the outer side of the connecting rod, a sealing sleeve is fixedly connected in the second flange plate, a sealing ring is fixedly connected in the sealing sleeve, a piston rod is arranged in the cylinder barrel, an annular groove is formed in the piston rod, and the outer side of the piston rod is connected with a Y joint through threads, the Y connects sliding connection and has the kelly, kelly and ring channel sliding connection, fixedly connected with end plate on the kelly.

Preferably, one end of the first spring is bonded to the sealing plug, the other end of the first spring is bonded to the sealing plate, and the sealing plug can be connected for use through the arrangement of the first spring.

Preferably, the fixed cover in the outside of connecting rod has connect the sealing ring, sealing ring and lubrication hole sliding connection, through the setting of sealing ring, can carry out sealing treatment to the lubrication hole.

Preferably, a second oil filling hole is formed in the sealing sleeve, the diameter of the hole of the second oil filling hole is equal to that of the hole of the first oil filling hole, and through the arrangement of the second oil filling hole, the lubricating oil can be conveniently and effectively circulated.

Preferably, the piston rod is connected with the first flange in a sliding mode, the piston rod is connected with the sealing ring in a sliding mode, the piston rod is connected with the sealing sleeve in a sliding mode, and the sealing effect of the air cylinder can be improved through the arrangement of the sealing ring.

Preferably, the end plate is welded with a second spring, the other end of the second spring is welded with the Y-shaped joint, and the end plate can be connected and used through the arrangement of the second spring.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of sealing ring, connecting rod, sealing plug isotructure is used, can seal the processing to first oil cavity, avoids first oil filler point to receive the invasion and attack of impurity under abominable dust environment, causes the poor problem of piston rod reciprocating motion performance.

2. The utility model discloses a deformation effect of second spring can stretch the use to the terminal plate for it is spacing that the terminal plate moves the kelly and carries out the joint to the ring channel, improves the connection steadiness that the Y connects, avoids the Y to connect and produces the problem of rocking after using for a long time.

Drawings

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

fig. 2 is an enlarged view of fig. 1 at a according to the present invention;

fig. 3 is an enlarged view of the position B of fig. 1 according to the present invention.

In the figure: 1. a cylinder barrel; 2. a first flange plate; 3. a second flange plate; 4. a first oil filler hole; 5. a sealing plate; 6. a lubrication hole; 7. an end plate; 8. a sealing plug; 9. a connecting rod; 10. a first spring; 11. a seal ring; 12. sealing sleeves; 13. a seal ring; 14. a second oil filler hole; 15. a piston rod; 16. an annular groove; 17. a Y-junction; 18. a clamping rod; 19. an end plate; 20. a second spring.

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 of the drawings, a drawing, fig. 2, a dust protected cylinder, including cylinder barrel 1, be provided with first ring flange 2 on the cylinder barrel 1, be provided with second ring flange 3 on the first ring flange 2, second ring flange 3 passes through bolted connection with first ring flange 2, first oil filler point 4 has been seted up to second ring flange 3's inside, fixedly connected with closing plate 5 in first oil filler point 4, lubrication hole 6 has been seted up to closing plate 5's inside, the contact has end plate 7 on the second ring flange 3, fixedly connected with sealing plug 8 on the end plate 7, sealing plug 8 and first oil filler point 4 sliding connection, fixedly connected with connecting rod 9 on the sealing plug 8, the outside of connecting rod 9 is provided with first spring 10, the one end and the sealing plug 8 of first spring 10 bond, the other end and the closing plate 5 bonding of first spring 10, through the setting of first spring 10, can connect the use to sealing plug 8.

Please refer to fig. 1 and 2, a sealing ring 11 is fixedly sleeved on the outer side of the connecting rod 9, the sealing ring 11 is slidably connected with the lubricating hole 6, the lubricating hole 6 can be sealed through the sealing ring 11, a sealing sleeve 12 is fixedly connected in the second flange 3, a sealing ring 13 is fixedly connected in the sealing sleeve 12, a second oil hole 14 is formed in the sealing sleeve 12, the second oil hole 14 is equal to the hole diameter of the first oil hole 4, and the lubricating oil can be conveniently and effectively circulated through the second oil hole 14.

Referring to fig. 1 and 3, a piston rod 15 is disposed in a cylinder barrel 1 of the cylinder, the piston rod 15 is slidably connected to the first flange 2, the piston rod 15 is slidably connected to a sealing ring 13, the piston rod 15 is slidably connected to a sealing sleeve 12, the sealing effect of the cylinder can be improved by the sealing ring 13, an annular groove 16 is disposed in the piston rod 15, and an Y-joint 17 is connected to the outer side of the piston rod 15 through a thread.

Referring to fig. 1 and 3, a clamping rod 18 is slidably connected to the Y joint 17, the clamping rod 18 is slidably connected to the annular groove 16, an end plate 19 is fixedly connected to the clamping rod 18, a second spring 20 is welded to the end plate 19, the other end of the second spring 20 is welded to the Y joint 17, and the end plate 19 can be connected to the end plate 19 through the second spring 20.

The utility model discloses the concrete implementation process as follows: when the device needs to be used, the end plate 19 can be pulled to move in the direction far away from the Y joint 17 to drive the clamping rod 18 to move, the second spring 20 is stressed to deform, then the Y joint 17 and the piston rod 15 are pushed to be in threaded installation, the end plate 19 is loosened to enable the second spring 20 to recover deformation, the second spring 20 pulls the end plate 19 to move in the direction close to the Y joint 17, the end plate 19 drives the clamping rod 18 to enter the annular groove 16 to clamp and limit the annular groove 16, the installation stability of the Y joint 17 is improved, the shaking problem of the Y joint 17 after long-term use is avoided, the sealing plug 8 can be pulled to be in a stable sealing state through the arrangement of the first spring 10, the dust can be prevented from entering the first oil filler hole 4 in minutes under the action of the end plate 7, the dust impurity is prevented from contacting with the piston rod 15, when lubricating oil needs to be added to the piston rod 15, the end plate 7 can be pulled to move in the direction far away from the second flange 3, move with driving sealing plug 8 for sealing plug 8 drives connecting rod 9 and removes, and first spring 10 atress deformation, connecting rod 9 drive sealing ring 11 break away from lubrication hole 6, be convenient for under the effect of first oil filler point 4, lubrication hole 6, second oil filler point 14, can be to the inside additional lubrication oil of cylinder, make lubricating oil and piston rod 15 contact, in order to reduce the sliding friction power of piston rod 15 and sealing washer 13.

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 dust protected cylinder, includes cylinder bore (1), its characterized in that: the cylinder barrel (1) is provided with a first flange plate (2), the first flange plate (2) is provided with a second flange plate (3), the second flange plate (3) is connected with the first flange plate (2) through bolts, a first oil filling hole (4) is formed in the second flange plate (3), a sealing plate (5) is fixedly connected in the first oil filling hole (4), a lubricating hole (6) is formed in the sealing plate (5), the second flange plate (3) is contacted with an end plate (7), the end plate (7) is fixedly connected with a sealing plug (8), the sealing plug (8) is connected with the first oil filling hole (4) in a sliding manner, a connecting rod (9) is fixedly connected on the sealing plug (8), a first spring (10) is arranged on the outer side of the connecting rod (9), and a sealing sleeve (12) is fixedly connected in the second flange plate (3), fixedly connected with sealing washer (13) in seal cover (12), be provided with piston rod (15) in cylinder (1), ring channel (16) have been seted up to the inside of piston rod (15), there is Y joint (17) outside of piston rod (15) through threaded connection, sliding connection has kelly (18) in Y joint (17), kelly (18) and ring channel (16) sliding connection, fixedly connected with end plate (19) on kelly (18).

2. The dustproof cylinder according to claim 1, wherein: one end of the first spring (10) is bonded with the sealing plug (8), and the other end of the first spring (10) is bonded with the sealing plate (5).

3. The dustproof cylinder according to claim 1, wherein: the outer side of the connecting rod (9) is fixedly sleeved with a sealing ring (11), and the sealing ring (11) is connected with the lubricating hole (6) in a sliding mode.

4. The dustproof cylinder according to claim 1, wherein: a second oil hole (14) is formed in the sealing sleeve (12), and the hole diameter of the second oil hole (14) is equal to that of the hole of the first oil hole (4).

5. The dustproof cylinder according to claim 1, wherein: the piston rod (15) is connected with the first flange plate (2) in a sliding mode, the piston rod (15) is connected with the sealing ring (13) in a sliding mode, and the piston rod (15) is connected with the sealing sleeve (12) in a sliding mode.

6. The dustproof cylinder according to claim 1, wherein: and a second spring (20) is welded on the end plate (19), and the other end of the second spring (20) is welded with the Y joint (17).