Balance valve for oil cylinder

Abstract

The utility model relates to the related technical field of balance valves, in particular to a balance valve for an oil cylinder, which comprises a balance valve main body, a fixing mechanism is arranged on the outer side surface of the balance valve main body, and a blocking mechanism is arranged on the outer side surface of the balance valve main body. According to the balance valve for the oil cylinder, due to the arrangement of the fixing mechanism, the balance valve is installed more stably, the problem that a traditional balance valve is likely to loosen or leak in the using process is effectively solved, meanwhile, due to the design of the fixing mechanism, the installation steps are simplified, the installation efficiency is improved, and the maintenance cost is reduced; and the first sealing plate, the second sealing plate and the sealing ring are combined for use, so that the sealing performance is further enhanced, stable operation of the balance valve in severe environments such as high pressure and high temperature is ensured, the service life of the balance valve is prolonged, and the reliability and the safety of the balance valve are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of balance valve, especially to a balance valve for oil cylinder. BACKGROUND

[0002] Balance valve is a kind of valve with special function, and the valve itself has no special place, only the use function and place have difference. In some industries, due to the existence of large pressure difference or flow difference in each part of pipeline or container, in order to reduce or balance the difference, valve is installed between corresponding pipeline or container to adjust the relative balance of pressure on both sides, or to achieve the balance of flow by shunting, and this valve is called balance valve. In order to better adapt to the working requirements of oil cylinder, therefore, a balance valve for oil cylinder is particularly needed.

[0003] When the balance valve for oil cylinder is used to balance the pressure of oil cylinder, leakage problem often occurs at the connection of balance valve due to excessive pressure, which leads to unstable working pressure of oil cylinder, and even affects the normal work of oil cylinder. Therefore, sealing material is added or the fastening force of the connection is strengthened to prevent leakage. However, this solution can reduce the occurrence of leakage to a certain extent, but it is often complicated to operate, and the sealing effect of the balance valve in long-term high-pressure and high-temperature environment cannot be fundamentally improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a balance valve for oil cylinder to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a balance valve for oil cylinder, comprising a balance valve main body, a fixing mechanism is arranged on the outer surface of the balance valve main body, and a blocking mechanism is arranged on the outer surface of the balance valve main body.

[0006] The fixing mechanism comprises a flange ring, a connecting pipe, a first fixing plate, a limiting plate, a screw, a first sealing plate, a second fixing plate, a sealing ring and a second sealing plate. One end of the balance valve main body is connected with the flange ring. The side surface of the flange ring is connected with the connecting pipe. The inner surface of the flange ring is provided with the first fixing plate. The inner surface of the first fixing plate is connected with the limiting plate. The outer surface of the limiting plate is installed with the screw. The inner surface of the limiting plate is provided with the first sealing plate. The inner surface of the first sealing plate is provided with the second fixing plate. The outer surface of the second fixing plate is installed with the sealing ring. The inner side of the second fixing plate is provided with the second sealing plate.

[0007] Preferably, the blocking mechanism comprises a blocking fixed plate, a sliding groove, a blocking plate, a first fixed hole, a second fixed hole, a handle, a mounting column, a mounting groove, a spring, a clamping column, a connecting column and a pull ring, the outer side surface of the balance valve body is fixedly connected with the blocking fixed plate, the inner side surface of the blocking fixed plate is provided with the sliding groove, the inner side surface of the sliding groove is provided with the blocking plate, the outer side surface of the blocking plate is provided with the first fixed hole, the outer side surface of the blocking plate is provided with the second fixed hole, the outer side surface of the blocking plate is provided with the handle, the outer side surface of the blocking fixed plate is fixedly connected with the mounting column, the inner side surface of the mounting column is provided with the mounting groove, the inner side of the mounting groove is provided with the spring, one end of the spring is connected with the clamping column, the outer side surface of the clamping column is fixedly connected with the connecting column, and one end of the connecting column is fixedly connected with the pull ring.

[0008] Preferably, the balance valve body comprises a valve body and a valve door, and the outer side surface of the valve body is provided with the valve door.

[0009] Preferably, a plurality of screws are arranged at equal intervals on the outer side surfaces of the first sealing plate and the limiting plate.

[0010] Preferably, the first sealing plate is fixed to the inner side of the limiting plate through the screw, one end of the limiting plate is connected with the first fixed plate, and the other end of the limiting plate is connected with the second fixed plate.

[0011] Preferably, a plurality of sealing rings are arranged on the outer side surfaces of the first sealing plate and the second sealing plate.

[0012] Preferably, the sliding groove and the blocking plate form a sliding structure, and the inner side surface of the sliding groove is matched with the outer side surface of the blocking plate.

[0013] Preferably, the outer side surface of the clamping column is matched with the inner side surface of the first fixed hole, and the outer side surface of the clamping column is matched with the inner side surface of the second fixed hole.

[0014] Compared with the prior art, the oil cylinder balance valve has the advantages that: the fixing mechanism is arranged, so that the installation of the balance valve is more stable, the loosening or leakage problems that may occur in the use of the traditional balance valve are effectively avoided, meanwhile, the design of the fixing mechanism also simplifies the installation steps, improves the installation efficiency, reduces the maintenance cost, in addition, the combination use of the first sealing plate, the second sealing plate and the sealing ring further enhances the sealing performance, ensures the stable operation of the balance valve in the harsh environment such as high pressure and high temperature, thereby prolongs the service life of the balance valve, improves the reliability and safety thereof, and through the arrangement of the blocking mechanism, the accurate control of the oil flow in the oil cylinder is realized, which is not only simple to operate, but also has high stability, effectively avoids the valve loosening or failure problems caused by improper operation or external force factors, and further improves the use performance and safety of the balance valve. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall appearance structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the fixing mechanism structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the blocking mechanism structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the blocking mechanism cross-section structure of the utility model.

[0019] In the drawing: 1, balance valve main body; 11, valve body; 12, valve; 2, fixing mechanism; 21, flange ring; 22, connecting pipe; 23, first fixed plate; 24, limiting plate; 25, screw; 26, first sealing plate; 27, second fixed plate; 28, sealing ring; 29, second sealing plate; 3, blocking mechanism; 31, blocking fixed plate; 32, sliding groove; 33, blocking plate; 34, first fixed hole; 35, second fixed hole; 36, handle; 37, mounting column; 38, mounting groove; 39, spring; 310, clamping column; 311, connecting column; 312, pull ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a balance valve for oil cylinder, including balance valve main body 1, the outside surface of balance valve main body 1 is provided with fixed mechanism 2, the outside surface of balance valve main body 1 is provided with blocking mechanism 3,

[0022] Fixed mechanism 2 includes flange ring 21, connecting pipe 22, first fixed plate 23, limit plate 24, screw 25, first sealing plate 26, second fixed plate 27, sealing ring 28 and second sealing plate 29, one end of balance valve main body 1 is connected with flange ring 21, one side surface of flange ring 21 is connected with connecting pipe 22, the inside surface of flange ring 21 is provided with first fixed plate 23, the inside surface of first fixed plate 23 is connected with limit plate 24, the outside surface of limit plate 24 is installed with screw 25, the inside surface of limit plate 24 is provided with first sealing plate 26, the inside surface of first sealing plate 26 is provided with second fixed plate 27, the outside surface of second fixed plate 27 is installed with sealing ring 28, the inside of second fixed plate 27 is provided with second sealing plate 29, through the setting of flange ring 21, connecting pipe 22, first fixed plate 23, limit plate 24, screw 25, first sealing plate 26, second fixed plate 27, sealing ring 28 and second sealing plate 29, flange ring 21 makes balance valve main body 1 can conveniently, firmly install on oil cylinder, effectively prevents the problem of loosening or falling off during use, thereby enhance the stability of balance valve main body 1, also can realize the quick installation and disassembly of balance valve main body 1, in addition, first fixed plate 23 and second fixed plate 27 are fixed together through screw 25 and limit plate 24, ensure the stability of connecting, the setting of first sealing plate 26 and second sealing plate 29, cooperate the use of sealing ring 28, ensure the sealing property of connecting portion, further improve the use efficiency of balance valve.

[0023] Further, the blocking mechanism 3 comprises a blocking fixed plate 31, a sliding groove 32, a blocking plate 33, a first fixed hole 34, a second fixed hole 35, a handle 36, a mounting column 37, a mounting groove 38, a spring 39, a clamping column 310, a connecting column 311 and a pull ring 312, the outer side surface of the balance valve body 1 is fixedly connected with the blocking fixed plate 31, the inner side surface of the blocking fixed plate 31 is provided with the sliding groove 32, the inner side surface of the sliding groove 32 is provided with the blocking plate 33, the outer side surface of the blocking plate 33 is provided with the first fixed hole 34, the outer side surface of the blocking plate 33 is provided with the second fixed hole 35, the outer side surface of the blocking plate 33 is provided with the handle 36, the outer side surface of the blocking fixed plate 31 is fixedly connected with the mounting column 37, the inner side surface of the mounting column 37 is provided with the mounting groove 38, the inner side of the mounting groove 38 is provided with the spring 39, one end of the spring 39 is connected with the clamping column 310, the surface of one end of the clamping column 310 is fixedly connected with the connecting column 311, one end of the connecting column 311 is fixedly connected with the pull ring 312, through the setting of the blocking fixed plate 31, the sliding groove 32, the blocking plate 33, the first fixed hole 34, the second fixed hole 35, the handle 36, the mounting column 37, the mounting groove 38, the spring 39, the clamping column 310, the connecting column 311 and the pull ring 312, the balance valve can drive the blocking plate 33 to slide in the sliding groove 32 by operating the handle 36 during use, so as to realize the blocking or opening of the oil flow in the oil cylinder, when it is needed to block the oil flow, the connecting column 311 drives the clamping column 310 to move in the mounting groove 38 and compresses the spring 39 by pulling the pull ring 312, when the clamping column 310 is aligned with the first fixed hole 34 or the second fixed hole 35, the elastic force of the spring 39 makes the clamping column 310 clamped into the corresponding first fixed hole 34 or second fixed hole 35, so as to fix the blocking plate 33 at a certain position in the sliding groove 32, realize the blocking or opening of the oil flow, the operation is simple and stable, avoid the problem that the valve 12 is loose or fails due to improper operation or external force factors during long-term use.

[0024] Further, the balance valve body 1 comprises a valve body 11 and a valve 12, the outer side surface of the valve body 11 is provided with the valve 12.

[0025] Further, the screw 25 is provided in plurality and is installed at the outer side surface of the first sealing plate 26 and the limiting plate 24 at equal intervals, through the setting of the screw 25, the connection strength between the first sealing plate 26 and the second sealing plate 29 is further enhanced, it is ensured that the balance valve body 1 will not leak during use, so as to improve the use safety of the balance valve, in addition, the equal interval installation mode of the plurality of screws 25 makes the stress of the connection more uniform, avoids the problems of loose connection or damage caused by uneven stress.

[0026] Further, the first sealing plate 26 is fixed to the inner side of the limiting plate 24 through the screw 25, one end of the limiting plate 24 is connected with the first fixed plate 23, the other end of the limiting plate 24 is connected with the second fixed plate 27, through the setting of the first sealing plate 26, it ensures that the balance valve body 1 can still maintain good sealing performance in the high pressure environment, effectively prevents the leakage of oil, improves the stability and safety of the entire oil cylinder system.

[0027] Further, the sealing ring 28 is provided with a plurality of, and is respectively installed on the outer side surface of the first sealing plate 26 and the second sealing plate 29, through the setting of the second sealing plate 29, and the synergistic effect of the first sealing plate 26 and the second sealing plate 29, and ensures that they are closely combined with the sealing ring 28, thereby further improving the sealing performance, and prolonging the service life of the balance valve.

[0028] Further, the sliding groove 32 and the blocking plate 33 constitute a sliding structure, the inner side surface of the sliding groove 32 matches the outer side surface of the blocking plate 33, through the setting of the sliding groove 32, the blocking plate 33 can smoothly slide in the sliding groove 32, ensures the accuracy and stability of the operation of blocking or opening the oil flow, reduces the friction and resistance in the operation process, improves the use efficiency and comfort of the balance valve.

[0029] Further, the outer side surface of the clamping column 310 matches the inner side surface of the first fixed hole 34, the outer side surface of the clamping column 310 matches the inner side surface of the second fixed hole 35, through the setting of the clamping column 310, the clamping column 310 can be stably clamped into the first fixed hole 34 or the second fixed hole 35, thereby realizing the fixation of the blocking plate 33, ensuring the stability of the blocking or opening state of the oil flow of the balance valve in the use process, avoiding the problems of oil leakage or operation failure caused by unstable fixation.

[0030] Working principle: in actual operation, the flange ring 21 and the connecting pipe 22 enable the balance valve body 1 to be conveniently and firmly installed on the oil cylinder, effectively preventing loosening or falling off during use, thereby enhancing the stability of the balance valve body 1, and achieving quick installation and disassembly of the balance valve body 1. In addition, the first fixed plate 23 and the second fixed plate 27 are fixed together through the screw 25 and the limiting plate 24, ensuring the stability of the connection. The first sealing plate 26 and the second sealing plate 29 are provided, and the sealing ring 28 is used, ensuring the sealing performance of the connection part, thereby improving the use efficiency of the balance valve. Further, through the arrangement of the blocking mechanism 3, the balance valve can drive the blocking plate 33 to slide in the sliding groove 32 by operating the handle 36 during use, thereby achieving the blocking or opening of the oil flow in the oil cylinder. When it is necessary to block the oil flow, the connecting column 311 drives the clamping column 310 to move in the installation groove 38 and compresses the spring 39 by pulling the pull ring 312. When the clamping column 310 is aligned with the first fixed hole 34 or the second fixed hole 35, the elastic force of the spring 39 makes the clamping column 310 clamped into the corresponding first fixed hole 34 or the second fixed hole 35, thereby fixing the blocking plate 33 at a certain position in the sliding groove 32, achieving the blocking or opening of the oil flow. The operation is simple and stable, avoiding the problem of loosening or failure of the valve 12 due to improper operation or external force factors during long-term use of the valve 12.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A counterbalance valve for an oil cylinder comprising a counterbalance valve body (1), characterized in that: The outer surface of the balance valve body (1) is provided with a fixing mechanism (2), and the outer surface of the balance valve body (1) is provided with a blocking mechanism (3). The fixing mechanism (2) comprises a flange ring (21), a connecting pipe (22), a first fixing plate (23), a limiting plate (24), a screw (25), a first sealing plate (26), a second fixing plate (27), a sealing ring (28) and a second sealing plate (29), one end of the balance valve body (1) is connected with the flange ring (21), one side surface of the flange ring (21) is connected with the connecting pipe (22), the inner surface of the flange ring (21) is provided with the first fixing plate (23), the inner surface of the first fixing plate (23) is connected with the limiting plate (24), the outer surface of the limiting plate (24) is mounted with the screw (25), the inner surface of the limiting plate (24) is provided with the first sealing plate (26), the inner surface of the first sealing plate (26) is provided with the second fixing plate (27), the outer surface of the second fixing plate (27) is mounted with the sealing ring (28), and the inner side of the second fixing plate (27) is provided with the second sealing plate (29).

2. The counterbalance valve of claim 1, wherein: The blocking mechanism (3) comprises a blocking fixing plate (31), a sliding groove (32), a blocking plate (33), a first fixing hole (34), a second fixing hole (35), a handle (36), a mounting column (37), a mounting groove (38), a spring (39), a clamping column (310), a connecting column (311) and a pull ring (312), the outer surface of the balance valve body (1) is fixedly connected with the blocking fixing plate (31), the inner surface of the blocking fixing plate (31) is provided with the sliding groove (32), the inner surface of the sliding groove (32) is provided with the blocking plate (33), the outer surface of the blocking plate (33) is provided with the first fixing hole (34), the outer surface of the blocking plate (33) is provided with the second fixing hole (35), the outer surface of the blocking plate (33) is provided with the handle (36), the outer surface of the blocking fixing plate (31) is fixedly connected with the mounting column (37), the inner surface of the mounting column (37) is provided with the mounting groove (38), the inner side of the mounting groove (38) is provided with the spring (39), one end of the spring (39) is connected with the clamping column (310), one end surface of the clamping column (310) is fixedly connected with the connecting column (311), and one end of the connecting column (311) is fixedly connected with the pull ring (312).

3. The counterbalance valve of claim 1, wherein: The balance valve body (1) comprises a valve body (11) and a valve (12), and the outer surface of the valve body (11) is provided with the valve (12).

4. The counterbalance valve of claim 1, wherein: A plurality of screws (25) are arranged on the outer surfaces of the first sealing plate (26) and the limiting plate (24) at equal intervals.

5. The counterbalance valve of claim 1, wherein: The first sealing plate (26) is fixed to the inner side of the limiting plate (24) through the screw (25), one end of the limiting plate (24) is connected with the first fixing plate (23), and the other end of the limiting plate (24) is connected with the second fixing plate (27).

6. The counterbalance valve of claim 1, wherein: The sealing rings (28) are provided in plurality and are respectively installed on the outer side surfaces of the first sealing plate (26) and the second sealing plate (29).

7. The counterbalance valve of claim 2, wherein: The sliding groove (32) and the blocking plate (33) constitute a sliding structure, and the inner side surface of the sliding groove (32) is matched with the outer side surface of the blocking plate (33).

8. The counterbalance valve of claim 2, wherein: The outer side surface of the clamping column (310) is matched with the inner side surface of the first fixing hole (34), and the outer side surface of the clamping column (310) is matched with the inner side surface of the second fixing hole (35).

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