CN213331791U

CN213331791U - Disc spring locking hydraulic cylinder

Info

Publication number: CN213331791U
Application number: CN202022252191.4U
Authority: CN
Inventors: 刘江华; 高培栋; 郭志敏
Original assignee: Handan Taigu Hydraulic Machinery Manufacturing Co ltd
Current assignee: Handan Taigu Hydraulic Machinery Manufacturing Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-06-01
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a dish spring locking pneumatic cylinder, including cylinder, piston rod and piston plate, the cylinder inner chamber has been seted up to the cylinder inboard, the inside slip cover in cylinder inner chamber is equipped with the piston rod, the fixed cover in the piston rod outside is equipped with the piston plate, the sealing washer is installed through the mounting groove in the piston plate outside, a pot head in the piston rod outside is equipped with a dish spring, and a dish spring one side cover is equipped with No. two dish springs, cylinder internal surface spraying has not be stained with the layer, cylinder surface spraying has the anticorrosive coating. The utility model discloses can avoid appearing sealed and hydraulic pressure pipeline pressure release, the not enough phenomenon of pneumatic cylinder locking force improves sealed and hydraulic system life, is fit for being extensively promoted and used.

Description

Disc spring locking hydraulic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field, in particular to dish spring locking pneumatic cylinder.

Background

The hydraulic cylinder is an actuating element which drives and bears a large load, and when the hydraulic cylinder is applied to equipment such as a heavy lathe, a grinding machine, a rolling mill and the like, the hydraulic cylinder is generally required to stably bear an external load for a long time without any displacement when the movement is stopped, so that a locking and positioning function is required, and therefore, a disc spring locking hydraulic cylinder is proposed.

Disclosure of Invention

The utility model discloses a main aim at provides dish spring locking pneumatic cylinder can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

dish spring locking pneumatic cylinder, including cylinder, piston rod and piston plate, the cylinder inner chamber has been seted up to the cylinder inboard, the inside slip cover of cylinder inner chamber is equipped with the piston rod, the fixed cover in the piston rod outside is equipped with the piston plate, the sealing washer is installed through the mounting groove in the piston plate outside, a pot head in the piston rod outside is equipped with dish spring No. one, and dish spring one side cover is equipped with No. two dish springs, cylinder internal surface spraying has the non-staining layer, cylinder surface spraying has the anticorrosive coating.

Further, the sealing rings are made of butyl rubber materials, and the number of the sealing rings is multiple.

Furthermore, an oil filling port is formed in one end of the cylinder barrel, and the oil filling port is communicated with the inner cavity of the cylinder barrel.

Further, the non-stick layer is made of Teflon material.

Further, the anticorrosive coating is made of tungsten carbide anticorrosive paint.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up dish spring and No. two dish springs, inside hydraulic oil got into the cylinder inner chamber from the oiling mouth, given piston plate thrust, made the piston rod remove, stretch out, the piston rod removes No. one dish spring of in-process and removes to No. two dish springs, and a dish spring and No. two dish springs give piston rod thrust, carry out the chucking to it, and a dish spring and No. two dish spring chucking power are firm reliable, have thoroughly avoided leaking the chucking power unstability that the decompression caused.

2. The non-staining layer through setting up non-staining layer and anticorrosive coating cylinder internal surface is made by the special fluorine dragon material, can prevent cylinder inner wall adhesion debris etc. avoid influencing the removal of piston plate, and the anticorrosive coating of cylinder surface is made by tungsten carbide anticorrosive paint, and corrosion resistance is good, and difficult wearing and tearing after the shaping can improve the corrosion resistance of cylinder.

Drawings

Fig. 1 is the overall structure schematic diagram of the disc spring locking hydraulic cylinder of the present invention.

Fig. 2 is the sectional view of the inner and outer materials of the cylinder of the disc spring locking hydraulic cylinder.

In the figure: 1. a cylinder barrel; 2. a piston rod; 3. a piston plate; 4. a disc spring I; 5. a second disc spring; 6. a seal ring; 7. the inner cavity of the cylinder barrel; 8. an oil filling port; 9. a non-stick layer; 10. and (4) an anticorrosive layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, dish spring locking pneumatic cylinder, including cylinder 1, piston rod 2 and piston plate 3, cylinder inner chamber 7 has been seted up to 1 inboard of cylinder, the inside sliding sleeve in cylinder inner chamber 7 is equipped with piston rod 2, the fixed cover in the 2 outside of piston rod is equipped with piston plate 3, sealing washer 6 is installed through the mounting groove in the 3 outsides of piston plate, 2 outside pot heads of piston rod are equipped with dish spring 4 No. one, and 4 one side covers of dish spring are equipped with dish spring 5 No. two, 1 internal surface spraying of cylinder has nonstick layer 9, 1 external surface spraying of cylinder has anticorrosive coating 10.

The sealing rings 6 are made of butyl rubber materials, and the number of the sealing rings 6 is multiple.

In the embodiment, as shown in fig. 1, the plurality of seal rings 6 play a role in sealing between the piston plate 3 and the cylinder barrel 1, so as to prevent leakage, and the seal rings 6 made of butyl rubber have good wear resistance and are not easy to wear.

Wherein, an oil filling port 8 is arranged at one end of the cylinder barrel 1, and the oil filling port 8 is communicated with the inner cavity 7 of the cylinder barrel.

In this embodiment, as shown in fig. 1, hydraulic oil can enter the cylinder bore 7 through the oil inlet 8.

Wherein, the non-stick layer 9 is made of Teflon material.

In this embodiment, as shown in fig. 2, the non-stick layer 9 made of teflon material can prevent the inner wall of the cylinder barrel 1 from adhering impurities and the like, and avoid affecting the movement of the piston plate 3.

Wherein, the anticorrosive coating 10 is made of tungsten carbide anticorrosive paint.

In this embodiment, as shown in fig. 2, the tungsten carbide anticorrosive paint is made into the anticorrosive layer 10, which has good anticorrosive performance, is not easily worn after molding, and can improve the anticorrosive performance of the cylinder barrel 1.

It should be noted that, the utility model relates to a disc spring locking hydraulic cylinder, during operation, hydraulic oil enters into the inner cavity 7 of the cylinder barrel from the oil injection port 8, and gives thrust to the piston plate 3, so that the piston rod 2 moves and extends, the disc spring 4 moves to the disc spring 5 during the movement of the piston rod 2, the disc spring 4 and the disc spring 5 give thrust to the piston rod 2, and clamp the piston rod, the clamping force of the disc spring 4 and the disc spring 5 is firm and reliable, thereby thoroughly avoiding unstable clamping force caused by leakage and decompression, the sealing ring 6 outside the piston plate 3 plays a sealing role between the cylinder barrel 1 and the piston plate 3, and avoiding leakage, the sealing ring 6 made of butyl rubber material has good wear resistance and is not easy to damage, the non-stick layer 9 on the inner surface of the cylinder barrel 1 is made of Teflon material, which can prevent the inner wall of the cylinder barrel 1 from sticking sundries and the like, and avoid influencing the movement of the piston plate 3, the anticorrosive coating 10 on the outer surface of the cylinder barrel 1 is made of tungsten carbide anticorrosive paint, has good anticorrosive performance, is not easy to wear after molding, and can improve the anticorrosive performance of the cylinder barrel 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Dish spring locking pneumatic cylinder, including cylinder (1), piston rod (2) and piston plate (3), its characterized in that: cylinder inner chamber (7) have been seted up to cylinder (1) inboard, the inside slip cover in cylinder inner chamber (7) is equipped with piston rod (2), the fixed cover in piston rod (2) outside is equipped with piston plate (3), sealing washer (6) are installed through the mounting groove in piston plate (3) outside, piston rod (2) outside pot head is equipped with dish spring (4) No. one, and dish spring (4) one side cover is equipped with dish spring (5) No. two, cylinder (1) interior surface coating has not be stained with layer (9), cylinder (1) surface coating has anticorrosive coating (10).

2. The disc spring locking hydraulic cylinder according to claim 1, wherein: the sealing rings (6) are made of butyl rubber materials, and the number of the sealing rings (6) is multiple.

3. The disc spring locking hydraulic cylinder according to claim 1, wherein: an oil filling port (8) is formed in one end of the cylinder barrel (1), and the oil filling port (8) is communicated with the inner cavity (7) of the cylinder barrel.

4. The disc spring locking hydraulic cylinder according to claim 1, wherein: the non-stick layer (9) is made of Teflon material.

5. The disc spring locking hydraulic cylinder according to claim 1, wherein: the anticorrosive layer (10) is made of tungsten carbide anticorrosive paint.