Hydraulic oil filtering device of hydraulic pump station

Abstract

The utility model discloses a hydraulic oil filtering device of a hydraulic pump station, which comprises a pipe body with an oil outlet at the bottom; the device further comprises a plugging assembly. The plugging assembly is composed of a plugging piece and a sealing piece, the plugging piece is movably arranged on the pipe body in a sleeving mode, and the length of the plugging piece is larger than or equal to the length of the whole oil outlets on the pipe body, so that it can be guaranteed that all the oil outlets are plugged through the plugging piece, dust is prevented from entering the oil outlets when the oil outlets are idle, and plugging under maintenance and emergency conditions is avoided; the sealing pieces are arranged at the two ends of the oil outlet area. Through the designed plugging assembly, the oil outlet can be plugged according to needs, the dustproof effect can be achieved in the idle state, the oil outlet can be rapidly plugged under the maintenance and emergency conditions, continuous leakage of internal hydraulic oil is avoided, normal operation of work is guaranteed, meanwhile, the plugging assembly is easy to disassemble and assemble, convenient to use and high in practicability. The filtering device has high practicability, and overcomes the defects of an existing filtering device in use.

Description

Technical Field

[0001] The utility model belongs to the technical field of hydraulic pump stations, and in particular relates to a hydraulic oil filtering device of a hydraulic pump station. Background Art

[0002] Hydraulic oil is the hydraulic medium used in hydraulic systems that utilize liquid pressure energy. It plays the role of energy transmission, anti-wear, system lubrication, anti-corrosion, anti-rust, etc. in hydraulic systems. For hydraulic oil, first of all, it should meet the requirements of hydraulic device for liquid viscosity at working temperature and starting temperature. Since the viscosity change of lubricating oil is directly related to hydraulic action, transmission efficiency and transmission accuracy, it is also required that the viscosity-temperature performance and shear stability of the oil should meet the various requirements put forward by different uses. In order to ensure the quality of hydraulic oil and realize the recycling of hydraulic oil, it is necessary to filter the impurities in the hydraulic oil through a filter device.

[0003] The existing filtering device does not have any corresponding blocking structure to achieve rapid blocking when the oil outlet needs to be temporarily closed when it is idle, under maintenance, or in an emergency situation. For example, a hydraulic oil filtering device of a hydraulic pump station disclosed in announcement number CN213929021U does not disclose technical features that can solve the above problems. Therefore, it has great limitations in actual use and has room for improvement. Utility Model Content

[0004] The utility model aims to provide a hydraulic oil filter device for a hydraulic pump station to solve the problem that the existing filter device proposed in the above background technology cannot block the oil outlet according to actual needs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic oil filtering device of a hydraulic pump station, comprising a tube body, a bottom of which is provided with an oil outlet; and also comprising a plugging assembly; the plugging assembly is composed of a plugging piece and a sealing piece, wherein the plugging piece is movably sleeved on the tube body, and the length of the plugging piece is greater than or equal to the length of the oil outlet as a whole on the tube body, so as to ensure that the plugging piece blocks all the oil outlets to avoid dust intrusion when idle, and to block during maintenance or emergency situations; the sealing piece is placed at both ends of the oil outlet area and abuts against the inner wall of the plugging piece, and the gap between the plugging piece and the tube body is sealed by the sealing piece to avoid leakage of hydraulic oil, and at the same time, a stable connection between the plugging piece and the tube body can be achieved through the damping force.

[0006] Preferably, the sealing member comprises a sealing ring cover, the inner diameter of which is equal to or greater than the outer diameter of the tube body, thereby achieving covering and protection of the oil outlet position.

[0007] Preferably, a ring groove is further provided at the bottom of the tube body, and the ring groove is located at the bottom of the oil outlet; the sealing member includes a sealing airbag inserted into the ring groove, and a rubber ring arranged at the top of the oil outlet area, and the rubber ring and the sealing airbag respectively abut against the upper and lower inner walls of the sealing ring cover, and when the sealing ring cover moves downward to close and protect the oil outlet, the gap between the sealing ring cover and the tube body is sealed to avoid leakage, and the sealing ring cover can also be stably placed through the friction force generated when abutting.

[0008] Preferably, a sealing ring is embedded at the top of the inner wall of the sealing ring cover, and the sealing ring abuts against the inner wall of the tube body, thereby improving the sealing effect.

[0009] Preferably, the thickness of the rubber ring gradually decreases toward the sealing ring cover, and forms a triangular longitudinal section at the end.

[0010] Preferably, one side of the top end of the tube body is a liquid inlet, a hole is formed on the end face of the liquid inlet, and a sealing ring is provided on the outside of the liquid inlet, and a connecting column is fixed on the inner side of the sealing ring and passes through the hole, so as to achieve a stable installation of the sealing ring and avoid the problem of misalignment in the later connection that affects the sealing performance.

[0011] Preferably, a filter element is also placed inside the tube body, and the top of the filter element forms a flow channel connected with the liquid inlet of the tube body, so that the hydraulic oil entering the tube body is filtered by the filter element and then discharged from the oil outlet.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Through the designed sealing component, the oil outlet position can be sealed as needed, which can not only achieve the dust-proof effect when idle, but also can quickly seal the oil outlet in maintenance and emergency situations to avoid continuous leakage of internal hydraulic oil and ensure normal work. At the same time, the sealing component is simple to disassemble and assemble, easy to use, and has high practicality as a whole, which improves the shortcomings of existing filtering devices in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model when the sealing airbag is removed;

[0016] Figure 3 This is a schematic diagram of the structure of the sealing ring cover of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the utility model in a blocked state.

[0018] In the figure:

[0019] 100, pipe body; 100a, oil outlet; 100b, ring groove; 101, sealing ring; 102, connecting column;

[0020] 200, sealing ring cover; 201, rubber ring; 202, sealing airbag; 203, sealing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: a hydraulic oil filter device of a hydraulic pump station, comprising

[0023] The tube body 100 has an oil outlet 100a at its bottom;

[0024] Also includes

[0025] The plugging component is composed of a plugging part and a sealing part, wherein

[0026] The plugging piece is movably mounted on the tube body 100, and the length of the plugging piece is greater than or equal to the length of the oil outlet 100a as a whole on the tube body 100, thereby ensuring that the plugging piece blocks all the oil outlets 100a to prevent dust from entering when idle, as well as blocking during maintenance or emergency situations; the sealing pieces are placed at both ends of the oil outlet 100a area and abut against the inner wall of the plugging piece, and the gap between the plugging piece and the tube body 100 is sealed by the sealing piece to prevent leakage of hydraulic oil, and at the same time, a stable connection between the plugging piece and the tube body 100 can be achieved through the damping force.

[0027] In this embodiment, preferably, the sealing member includes a sealing ring cover 200, and the inner diameter of the sealing ring cover 200 is equal to or greater than the outer diameter of the pipe body 100, so as to achieve covering and protection of the oil outlet 100a.

[0028] In this embodiment, preferably, an annular groove 100b is further provided at the bottom of the tube body 100, and the annular groove 100b is located at the bottom of the oil outlet 100a; the sealing member includes a sealing airbag 202 inserted into the annular groove 100b, and a rubber ring 201 arranged at the top of the oil outlet 100a area, and the rubber ring 201 and the sealing airbag 202 are respectively abutted against the upper and lower inner walls of the sealing ring cover 200, and when the sealing ring cover 200 moves downward to close and protect the oil outlet 100a, the gap between the sealing ring cover 200 and the tube body 100 is sealed to avoid leakage, and the sealing ring cover 200 can also be stably placed through the friction force generated when pressing tightly.

[0029] In this embodiment, preferably, a sealing ring 203 is embedded at the top of the inner wall of the sealing ring cover 200, and the sealing ring 203 abuts against the inner wall of the tube body 100, thereby improving the sealing effect.

[0030] In this embodiment, preferably, the thickness of the rubber ring 201 gradually decreases toward the sealing ring cover 200 , and forms a triangular longitudinal section at the end.

[0031] In the present embodiment, preferably, one side of the top end of the tube body 100 is a liquid inlet, a hole is formed on the end face of the liquid inlet, and a sealing ring 101 is provided on the outside of the liquid inlet, and a connecting column 102 is fixed on the inner side face of the sealing ring 101 and passes through the hole, so as to achieve a stable installation of the sealing ring 101 and avoid the problem of misalignment in the later connection and affecting the sealing.

[0032] In this embodiment, preferably, a filter element is also placed inside the tube body 100, and the top of the filter element forms a flow channel connected to the liquid inlet of the tube body 100, so that the hydraulic oil entering the tube body 100 is filtered through the filter element and then discharged from the oil outlet 100a.

[0033] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic oil filter device for a hydraulic pump station, comprising: The tube body (100) has an oil outlet (100a) at the bottom thereof; Features: Also includes The plugging component is composed of a plugging part and a sealing part, wherein The blocking piece is movably sleeved on the tube body (100), and the length of the blocking piece is greater than or equal to the length of the oil outlet (100a) as a whole on the tube body (100); the sealing piece is placed at both ends of the oil outlet (100a) area and abuts against the inner wall of the blocking piece.

2. The hydraulic oil filter device of a hydraulic pump station according to claim 1, characterized in that: The sealing member comprises a sealing ring cover (200), the inner diameter of the sealing ring cover (200) being equal to or greater than the outer diameter of the tube body (100).

3. The hydraulic oil filter device of a hydraulic pump station according to claim 2, characterized in that: The bottom of the tube body (100) is also provided with an annular groove (100b), which is located at the bottom of the oil outlet (100a); the sealing element comprises a sealing airbag (202) inserted into the annular groove (100b), and a rubber ring (201) arranged at the top of the oil outlet (100a) area; the rubber ring (201) and the sealing airbag (202) respectively abut against the upper and lower inner walls of the sealing ring cover (200).

4. The hydraulic oil filter device of a hydraulic pump station according to claim 3, characterized in that: A sealing ring (203) is also embedded at the top of the inner wall of the sealing ring cover (200), and the sealing ring (203) abuts against the inner wall of the tube body (100).

5. The hydraulic oil filter device of a hydraulic pump station according to claim 3, characterized in that: The thickness of the rubber ring (201) gradually decreases toward the sealing ring cover (200), and forms a triangular longitudinal section at the end.

6. The hydraulic oil filter device of a hydraulic pump station according to claim 1, characterized in that: One side of the top end of the tube body (100) is a liquid inlet, a hole is formed on the end surface of the liquid inlet, and a sealing ring (101) is arranged outside the liquid inlet, and a connecting column (102) penetrating the hole is fixed on the inner side surface of the sealing ring (101).

7. The hydraulic oil filter device of a hydraulic pump station according to claim 6, characterized in that: A filter element is also placed inside the tube body (100), and the top of the filter element forms a flow channel communicating with the liquid inlet of the tube body (100).

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