CN216407342U

CN216407342U - Hydraulic cylinder with leakage-proof effect

Info

Publication number: CN216407342U
Application number: CN202122477089.9U
Authority: CN
Inventors: 曹红专; 朱凯; 朱亚东
Original assignee: Jiangsu Caogong Hydraulic Technology Co ltd
Current assignee: Jiangsu Caogong Hydraulic Technology Co ltd
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-04-29
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses a hydraulic oil cylinder with a leakage-proof effect, which comprises an upper cylinder seat, wherein the lower side wall of the upper cylinder seat is connected with a cylinder barrel in a sleeved mode, one surface, far away from the upper cylinder seat, of the cylinder barrel is connected with a lower cylinder seat in a sleeved mode, the lower side wall of the upper cylinder seat is provided with a temperature sensor and a pressure sensor, and the outer side wall of the cylinder barrel is provided with a control module; the middle part of the upper cylinder base is connected with a piston rod in a sliding manner, and a dustproof pad, a blocking piece and a sealing pad are arranged outside the piston rod and inside the upper cylinder base; the lower extreme fixedly connected with piston main part of piston rod, the last lateral wall fixedly connected with of piston main part goes up the buffer block on a plurality of, the lower lateral wall fixedly connected with of piston main part has a plurality of lower buffers block. According to the utility model, the dustproof pad can prevent external dust from entering the oil cylinder, the blocking piece can effectively prevent the upper side wall of the sealing pad from being bent, and the sealing effect of the piston rod can be effectively improved by the sealing pad.

Description

Hydraulic cylinder with leakage-proof effect

Technical Field

The utility model relates to the technical field of oil cylinders, in particular to a hydraulic oil cylinder with a leakage-proof effect.

Background

The hydraulic oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion. The reciprocating motion device has simple structure and reliable work, can avoid a speed reducer when the reciprocating motion is realized, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines. In some hydraulic processing machines, hydraulic rams are the primary actuators, and the reliability of their operation and their useful life are critically dependent on the quality of the sealing system. Traditional hydraulic cylinder leakproofness is relatively poor, is not suitable for and uses under the high pressure, uses moreover for a long time afterwards, along with sealed effect's reduction and pressure, the cylinder body is inside can receive the wearing and tearing of different degrees, and whole hydraulic cylinder's life is not long, and maintenance cycle is short.

With the development of industry, hydraulic oil cylinders are closely related to human life, and the hydraulic oil cylinders are hydraulic actuating elements which convert hydraulic energy into mechanical energy and do linear reciprocating motion; the hydraulic oil cylinder has the advantages of simple structure, reliable work, no transmission clearance, stable movement and the like, so the hydraulic oil cylinder is widely applied to hydraulic systems of various machines, has a plurality of advantages, but has certain problems in use.

However, the existing leakproof sealing element for the hydraulic oil cylinder seriously leaks oil, so that economic loss and energy waste are caused, in addition, the hydraulic oil cylinder can generate heat when working, and the working performance of the sealing gasket can be greatly reduced under a high-temperature environment for a long time.

Therefore, in order to solve the above technical problems, it is necessary to provide a hydraulic cylinder with a leakage-proof effect to overcome the above-mentioned drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a hydraulic oil cylinder with a leakage-proof effect.

In order to achieve the purpose, the utility model adopts the following technical scheme: the device comprises an upper cylinder base, wherein a cylinder barrel is connected to the lower side wall of the upper cylinder base in a sleeved mode, a lower cylinder base is connected to one side, away from the upper cylinder base, of the cylinder barrel in a sleeved mode, a temperature sensor and a pressure sensor are arranged on the lower side wall of the upper cylinder base, and a control module is arranged on the outer side wall of the cylinder barrel;

the middle part of the upper cylinder base is connected with a piston rod in a sliding manner, and a dustproof pad, a blocking piece and a sealing pad are arranged outside the piston rod and inside the upper cylinder base;

the lower extreme fixedly connected with piston main part of piston rod, the last lateral wall fixedly connected with of piston main part goes up the buffer block in a plurality of, the lower lateral wall fixedly connected with of piston main part is buffer block down, go up and be provided with a plurality of fastening screw between cylinder block and the lower cylinder block.

As a further description of the above technical solution:

the control module is in signal connection with the temperature sensor and the pressure sensor.

As a further description of the above technical solution:

and the lower side wall of the lower cylinder base is in threaded connection with a connecting ring.

As a further description of the above technical solution:

the upper buffer blocks, the temperature sensors and the pressure sensors are arranged in a staggered mode.

As a further description of the above technical solution:

and the upper end and the lower end of the fastening screw rod are both in threaded connection with fastening bolts.

As a further description of the above technical solution:

the outer side wall of the piston main body is provided with a plurality of piston sealing sleeves, and the piston main body is in sliding connection with the cylinder barrel.

As a further description of the above technical solution:

a first oil inlet hole is formed in the upper cylinder seat.

As a further description of the above technical solution:

the cylinder is characterized in that a second oil inlet hole is formed in the lower cylinder seat, a buffer groove is formed in the upper side wall of the lower cylinder seat, and the second oil inlet hole is communicated with the inside of the cylinder barrel through the buffer groove.

The utility model has the following beneficial effects:

1. compared with the prior art, this hydraulic cylinder with leak protection effect has set up dustproof pad, separation blade and sealed the pad, and inside dustproof pad can prevent that external dust from getting into the hydro-cylinder, the separation blade can effectively prevent the crooked of sealed lateral wall that fills up, sealed pad can effectively improve the sealed effect of piston rod.

2. Compared with the prior art, this hydraulic cylinder with leak protection effect has set up pressure sensor and temperature sensor, and pressure sensor can monitor the pressure variation of cylinder upside, and temperature sensor can monitor the temperature variation of cylinder upside to can transmit pressure signal and temperature signal for control module, and then effectively monitor the oil leak condition and effectively avoid sealed the sealed effect of filling up under high temperature to reduce.

Drawings

FIG. 1 is a schematic internal view of a hydraulic cylinder with leak-proof effect according to the present invention;

FIG. 2 is an enlarged view of the hydraulic cylinder with anti-leakage function at A point;

FIG. 3 is a schematic view of a hydraulic cylinder with anti-leakage effect according to the present invention;

fig. 4 is a schematic top view of the hydraulic oil cylinder with leakage-proof effect according to the present invention.

Illustration of the drawings:

1. an upper cylinder base; 101. a first oil inlet hole; 2. a lower cylinder base; 201. a buffer tank; 202. a second oil inlet hole; 3. a piston rod; 301. a dust-proof pad; 302. a baffle plate; 303. a gasket; 4. a pressure sensor; 5. a temperature sensor; 6. a piston body; 601. a piston seal cartridge; 602. a lower buffer block; 603. an upper buffer block; 7. a cylinder barrel; 8. a control module; 9. fastening a screw rod; 901. fastening a bolt; 10. and (7) connecting rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: including last cylinder base 1, the lower lateral wall of going up cylinder base 1 cup joints and is connected with cylinder 7 for store hydraulic oil, cylinder 7 keeps away from the one side of going up cylinder base 1 and cup joints and is connected with lower cylinder base 2, the lower lateral wall threaded connection of lower cylinder base 2 has go-between 10, be used for connecting other subassemblies, the lower lateral wall of going up cylinder base 1 is provided with temperature sensor 5 and pressure sensor 4, the lateral wall of cylinder 7 is provided with control module 8, be signal connection between control module 8 and temperature sensor 5, the pressure sensor 4.

The middle part of the upper cylinder base 1 is slidably connected with a piston rod 3, the outer side of the piston rod 3 and the inner part of the upper cylinder base 1 are provided with a dustproof pad 301, a baffle plate 302 and a sealing pad 303, the upper side wall of the dustproof pad 301 is set to be a certain inclination, and the baffle plate 302 is attached to the upper side wall of the sealing pad 303.

Lower extreme fixedly connected with piston body 6 of piston rod 3, the lateral wall of piston body 6 is provided with a plurality of piston seal cover 601, be sliding connection between piston body 6 and the cylinder 7, a plurality of buffer blocks 603 of going up of piston body 6's last lateral wall fixedly connected with, go up buffer block 603 and temperature sensor 5, be crisscross setting between the pressure sensor 4, a plurality of lower buffer blocks 602 of lower lateral wall fixedly connected with of piston body 6, it is provided with a plurality of fastening screw 9 to go up between cylinder block 1 and the lower cylinder block 2, fastening screw 9's upper end, the equal threaded connection of lower extreme has fastening bolt 901.

The piston comprises an upper cylinder seat 1, a lower cylinder seat 2, a first oil inlet hole 101, a second oil inlet hole 202, a buffer groove 201 and a second oil inlet hole 202, wherein the first oil inlet hole 101 is formed in the upper cylinder seat 1, the second oil inlet hole 202 is communicated with the inside of a cylinder barrel 7 through the buffer groove 201, the piston body 6 can be pushed to move towards the lower cylinder seat 2 by oil entering through the first oil inlet hole 101, and on the contrary, the piston body 6 can be pushed towards the upper cylinder seat 1 by oil entering through the second oil inlet hole 202.

The working principle is as follows: pressure sensor 4 can monitor the pressure change of the upside of cylinder 7, when hydraulic cylinder stop work, if the pressure in cylinder 7 constantly reduces, pressure sensor 4 can give control module 8 with signal transmission, inform the staff oil leak condition, temperature sensor 5 can monitor the temperature change of the upside of cylinder 7, when the inside temperature of hydraulic cylinder lasts and maintains at higher level, temperature sensor 5 can give control module 8 with signal transmission, inform the staff to reduce hydraulic cylinder's power or improve hydraulic cylinder's heat dissipation, and then prevent sealed performance greatly reduced who fills up 303, and then through pressure sensor 4 and temperature sensor 5 monitoring oil leak condition and effectively avoid sealed effect of filling up 303 under high temperature to reduce.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Hydraulic cylinder with leak protection effect, including last cylinder base (1), its characterized in that: the lower side wall of the upper cylinder base (1) is connected with a cylinder barrel (7) in a sleeved mode, one surface, far away from the upper cylinder base (1), of the cylinder barrel (7) is connected with a lower cylinder base (2) in a sleeved mode, the lower side wall of the upper cylinder base (1) is provided with a temperature sensor (5) and a pressure sensor (4), and the outer side wall of the cylinder barrel (7) is provided with a control module (8);

the middle part of the upper cylinder base (1) is connected with a piston rod (3) in a sliding manner, and a dustproof pad (301), a blocking piece (302) and a sealing pad (303) are arranged on the outer side of the piston rod (3) and positioned in the upper cylinder base (1);

the lower extreme fixedly connected with piston main part (6) of piston rod (3), the last lateral wall fixedly connected with of piston main part (6) is a plurality of buffer blocks (603) of going up, the lower lateral wall fixedly connected with of piston main part (6) is a plurality of buffer blocks (602) down, it is provided with a plurality of fastening screw (9) to go up between cylinder block (1) and lower cylinder block (2).

2. The hydraulic ram with leak-proof effect as claimed in claim 1, wherein: the control module (8) is in signal connection with the temperature sensor (5) and the pressure sensor (4).

3. The hydraulic ram with leak-proof effect as claimed in claim 1, wherein: the lower side wall of the lower cylinder base (2) is connected with a connecting ring (10) in a threaded manner.

4. The hydraulic ram with leak-proof effect as claimed in claim 1, wherein: the upper buffer blocks (603), the temperature sensors (5) and the pressure sensors (4) are arranged in a staggered manner.

5. The hydraulic ram with leak-proof effect as claimed in claim 1, wherein: the upper end and the lower end of the fastening screw rod (9) are both in threaded connection with fastening bolts (901).

6. The hydraulic ram with leak-proof effect as claimed in claim 1, wherein: the outer side wall of the piston main body (6) is provided with a plurality of piston sealing sleeves (601), and the piston main body (6) is in sliding connection with the cylinder barrel (7).

7. The hydraulic ram with leak-proof effect as claimed in claim 1, wherein: a first oil inlet hole (101) is formed in the upper cylinder seat (1).

8. The hydraulic ram with leak-proof effect as claimed in claim 1, wherein: the cylinder is characterized in that a second oil inlet hole (202) is formed in the lower cylinder base (2), a buffer groove (201) is formed in the upper side wall of the lower cylinder base (2), and the second oil inlet hole (202) is communicated with the inside of the cylinder barrel (7) through the buffer groove (201).