CN216306382U

CN216306382U - Ultra-low friction cylinder

Info

Publication number: CN216306382U
Application number: CN202122970318.0U
Authority: CN
Inventors: 陈亮
Original assignee: Dongguan Henghe Precision Machinery Co ltd
Current assignee: Dongguan Henghe Precision Machinery Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-15
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses an ultra-low friction cylinder, which comprises a cylinder, wherein a first hood and a second hood are symmetrically arranged on two sides of the cylinder, a diaphragm is fixedly arranged in the first hood, the diaphragm is positioned in the cylinder and is tightly attached to the inner wall of the cylinder, a piston is arranged in the middle of the cylinder, a piston rod is coaxially and fixedly arranged on the piston, the piston rod is slidably connected with the second hood, and a precise pressure regulating valve is fixedly arranged on one side, far away from the second hood, of the bottom of the first hood; control atmospheric pressure through the accurate air-vent valve that sets up, atmospheric pressure promotes the diaphragm motion, and the diaphragm drives the piston and moves in the cylinder, and the piston does not have direct contact with cylinder inner wall, and the friction is nearly for 0, is favorable to improving the practicality of device, improves the sensitivity of piston to atmospheric pressure, when needing to use tension control system, and tension controller control package product is steady, is favorable to improving the use prescription of device.

Description

Ultra-low friction cylinder

Technical Field

The utility model relates to the field of cylinders, in particular to an ultra-low friction cylinder.

Background

A cylindrical metal member for guiding the piston to perform linear reciprocating motion in the cylinder. Air converts thermal energy into mechanical energy by expansion in an engine cylinder; the gas is compressed by a piston in a compressor cylinder to increase pressure.

Piston and cylinder inner wall in the cylinder closely laminate, prevent pressure leakage to make the piston rod do mechanical motion, nevertheless there is great friction between piston and cylinder, long-time back of using, cylinder inner wall and piston all have the wearing and tearing of different degrees, lead to the cylinder to the reaction of atmospheric pressure obvious inadequately, are difficult to carry out accurate operation to the cylinder, for this reason we propose the ultralow friction cylinder.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the ultra-low friction cylinder, which is beneficial to reducing the friction between a piston and the cylinder, is more sensitive to air pressure induction, is beneficial to improving the practicability of the device and improving the use time efficiency of the device.

In order to solve the technical problems, the utility model provides the following technical scheme: ultralow friction cylinder, including the cylinder, first aircraft bonnet, second aircraft bonnet are installed to cylinder bilateral symmetry, fixed mounting has the diaphragm in the first aircraft bonnet, the diaphragm is located in the cylinder, and its with the cylinder inner wall closely laminates, mid-mounting has the piston in the cylinder, the coaxial fixed mounting of piston has the piston rod, piston rod sliding connection the second aircraft bonnet, second aircraft bonnet one side fixed mounting is kept away from to first aircraft bonnet bottom has accurate air-vent valve.

Preferably, a plurality of support rods are installed in the middle of the first hood and the second hood, and the two sides of each support rod are in threaded connection with hexagon socket head bolts for fixing the first hood and the second hood.

Preferably, a bearing is fixedly installed on one side, close to the first hood, of the second hood, and the piston rod is installed in the bearing and movably clamped with the bearing.

Preferably, the diaphragm is made of high-strength polyester cloth, and the surface of the diaphragm is coated with rubber.

Preferably, the cylinder material is duralumin, the cylinder surface is electroplated with a protective layer, and the protective layer is a wear-resistant layer and an anti-oxidation layer.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. the pressure is controlled by the arranged precise pressure regulating valve, the air pressure pushes the diaphragm to move, the diaphragm drives the piston to move in the cylinder, the piston is not in direct contact with the inner wall of the cylinder, the friction is nearly 0, the practicability of the device is improved, the sensitivity of the piston to the air pressure is improved, when a tension control system is needed, the tension controller controls the stability of a wound product, and the use timeliness of the device is improved;

2. through establishing the diaphragm into high strength polyester cloth, be favorable to improving diaphragm intensity, prolong the life of diaphragm, because of the friction is very little again, but the use frequency of greatly increased device through setting up the rubber on diaphragm surface, is favorable to improving the inside gas tightness of cylinder, further prevents that the diaphragm from leaking gas, is favorable to improving the use prescription of device.

Drawings

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

FIG. 2 is a schematic diagram of the overall structure of the present invention, shown disassembled;

FIG. 3 is a schematic view of the internal structure of the cylinder of the present invention;

FIG. 4 is a schematic view of the internal structure of the precision pressure regulating valve of the present invention;

wherein: 1. a cylinder; 2. a first hood; 3. a second hood; 4. a precision pressure regulating valve; 5. a support bar; 6. a hexagon socket head cap screw; 7. a piston rod; 8. a piston; 9. a bearing; 10. a diaphragm.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, the present invention provides an ultra-low friction cylinder, which includes a cylinder 1, wherein a first bonnet 2 and a second bonnet 3 are symmetrically installed on two sides of the cylinder 1, a precision pressure regulating valve 4 is fixedly installed in the first bonnet 2, the precision pressure regulating valve 4 is in transmission connection with a diaphragm 10, the diaphragm 10 is located in the cylinder 1 and is tightly attached to an inner wall of the cylinder 1, a piston 8 is installed in the middle of the cylinder 1, a piston rod 7 is coaxially and fixedly installed on the piston 8, the piston rod 7 is in sliding connection with the second bonnet 3, and a tension controller 11 is fixedly installed on a side, away from the second bonnet 3, of the bottom of the first bonnet 2; control atmospheric pressure through the accurate air-vent valve 4 that sets up, atmospheric pressure promotes the motion of diaphragm 10, and diaphragm 10 drives piston 8 and moves in cylinder 1, and piston 8 does not have direct contact with 1 inner wall of cylinder, and the friction is nearly for 0, is favorable to improving the practicality of device, improves the sensitivity of piston 8 to atmospheric pressure, when needs are used tension control system, and tension controller control package product is steady, is favorable to improving the use prescription of device.

As shown in fig. 1 to 3, the present embodiment further discloses that a plurality of support rods 5 are installed in the middle of the first hood 2 and the second hood 3, and both sides of each support rod 5 are in threaded connection with hexagon socket head bolts 6 for fixing the first hood 2 and the second hood 3; through setting up bracing piece 5 at first aircraft bonnet 2, the 3 middle parts of second aircraft bonnet, be convenient for connect fixedly to first aircraft bonnet 2, second aircraft bonnet 3 to adopt hexagon socket head cap screw 6 fixed, be convenient for carry out the dismouting to first aircraft bonnet 2, second aircraft bonnet 3, be favorable to improving the use prescription of device.

As shown in fig. 2 and fig. 3, the embodiment further discloses that a bearing 9 is fixedly installed on one side of the second hood 3 close to the first hood 2, and the piston rod 7 is installed in the bearing 9 and movably clamped with the bearing; through setting up bearing 9 in second aircraft bonnet 3 one side, be convenient for install piston rod 7, reduce piston rod 7 to the wearing and tearing of cylinder 1, be favorable to improving the practicality of device, improve the use ageing of device.

As shown in fig. 4, the present embodiment further discloses that the diaphragm 10 is made of high-strength polyester cloth, and the surface of the diaphragm is covered with rubber; through establishing diaphragm 10 into high strength polyester cloth, be favorable to improving diaphragm 10 intensity, prolong diaphragm 10's life, because of the friction is very little again, but the use frequency of greatly increased device through setting up the rubber on diaphragm 10 surface, is favorable to improving the inside gas tightness of cylinder 1, further prevents that diaphragm 10 from leaking gas, is favorable to improving the use prescription of device.

As shown in fig. 1, the embodiment further discloses that the cylinder 1 is made of duralumin, the surface of the cylinder 1 is electroplated with a protective layer, and the protective layer is a wear-resistant layer and an anti-oxidation layer; through establishing cylinder 1 to duralumin, be convenient for improve cylinder 1's heat-sinking capability, protection cylinder 1 operates steadily, is favorable to improving the practicality of device, sets up the protective layer on cylinder 1 surface, is convenient for improve cylinder 1's life, improves the use prescription of device.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Ultralow friction cylinder, including cylinder (1), first aircraft bonnet (2), second aircraft bonnet (3), its characterized in that are installed to cylinder (1) bilateral symmetry: fixed mounting has diaphragm (10) in first aircraft bonnet (2), diaphragm (10) are located in cylinder (1), and its with cylinder (1) inner wall closely laminates, mid-mounting has piston (8) in cylinder (1), the coaxial fixed mounting of piston (8) has piston rod (7), piston rod (7) sliding connection second aircraft bonnet (3), second aircraft bonnet (3) one side fixed mounting is kept away from to first aircraft bonnet (2) bottom has accurate air-vent valve (4).

2. The ultra-low friction cylinder of claim 1, wherein: first aircraft bonnet (2), second aircraft bonnet (3) mid-mounting have a plurality of bracing pieces (5), bracing piece (5) both sides equal threaded connection have right first aircraft bonnet (2), second aircraft bonnet (3) carry out hexagon socket head cap screw (6) fixed.

3. The ultra-low friction cylinder of claim 1, wherein: the second hood (3) is close to one side of the first hood (2) is fixedly provided with a bearing (9), and the piston rod (7) is arranged in the bearing (9) and movably clamped with the bearing.

4. The ultra-low friction cylinder of claim 1, wherein: the diaphragm (10) is made of high-strength polyester cloth, and the surface of the diaphragm is coated with rubber.

5. The ultra-low friction cylinder of claim 1, wherein: the cylinder (1) is made of hard aluminum, the surface of the cylinder (1) is electroplated with a protective layer, and the protective layer is a wear-resistant layer and an anti-oxidation layer.