Multifunctional valve group of hydraulic station

Abstract

The utility model discloses a hydraulic station multifunctional valve group which comprises a base, an upper oil pipe and a filter box, an oil tank is installed above the base, and the filter box is fixed above the base. An adjusting mechanism is arranged in the base, the adjusting mechanism comprises a first connecting wheel, a second connecting wheel, a limiting rod and a supporting spring, the first connecting wheel and the second connecting wheel are rotationally connected into the base, and the first connecting wheel and the limiting rod are connected in a meshed mode; the oil feeding pipe is fixed in the oil tank, a filtering mechanism is arranged in the oil feeding pipe and the filtering box, and the filtering mechanism comprises an iron ring, a first filtering plate, a connecting rope and a second filtering plate. According to the multifunctional valve bank of the hydraulic station, the direction of the valve bank can be conveniently adjusted according to the position of a pipeline, the flexibility is high, unlocking and fixing can be rapidly achieved, the two filter plates can be disassembled, assembled and replaced, the filter plates are prevented from being blocked, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic stations, in particular to a multifunctional valve group for hydraulic stations. Background Art

[0002] The hydraulic station is a device used to increase power and lubrication. It is generally composed of a hydraulic pump, an electric motor, an oil tank and various valve combinations, including a multifunctional valve group. The multifunctional valve group can have the functions of a directional valve, a throttle valve and a relief valve. There are many kinds of multifunctional valve groups for hydraulic stations on the market.

[0003] For example, the utility model with the authorization announcement number CN219672970U discloses a multifunctional valve group for a hydraulic station, including an oil pump and an electromagnetic reversing valve, a pressure relief valve is installed between the oil outlet pipe of the oil pump and the oil inlet pipe of the electromagnetic reversing valve, the pressure relief valve is installed with a pressure relief port, a valve cavity is arranged in the pressure relief valve at the bottom of the pressure relief port, a magnetic valve core is installed on the top of the valve cavity, a circle of third sealing ring is installed at the contact between the magnetic valve core and the wall of the valve cavity, a solenoid valve resistor is installed at the bottom of the valve cavity, a reflux port is arranged at one end of the side wall of the valve cavity, a reflux port is connected to the outside of the reflux port, and the reflux pipe is connected to the inside of the oil tank through the wall of the oil tank, the magnetic valve core and the electromagnetic valve resistor in the pressure relief valve of the device are mutually exclusive magnetic poles, and the pressure threshold that the pressure relief valve can withstand is adjusted by adjusting the current of the electromagnetic valve group, thereby reducing the replacement frequency of the pressure relief valve, reducing the risk of pipeline rupture, and improving the applicability and functionality of the hydraulic station;

[0004] However, the above technical solution still has some disadvantages, such as fixed direction, inconvenience in adjusting the direction of the valve group according to the position of the pipeline, insufficient flexibility, and inconvenience in disassembling and replacing both filter plates. The filter plates are easily blocked and the operation is simple. Therefore, we propose a hydraulic station multifunctional valve group to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a multifunctional valve group for a hydraulic station to solve the problems raised in the above-mentioned background technology that the direction of the current multifunctional valve group for a hydraulic station is fixed, it is inconvenient to adjust the direction of the valve group according to the position of the pipeline, the flexibility is insufficient, and it is inconvenient to disassemble and replace both filter plates, and the filter plates are easily blocked.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a multifunctional valve group of a hydraulic station, comprising:

[0007] A base, an oil tank is installed above the base, and a filter box is fixed above the base;

[0008] Also includes:

[0009] An adjusting mechanism is arranged inside the base, wherein the adjusting mechanism comprises a first connecting wheel, a second connecting wheel, a limiting rod and a supporting spring, wherein the first connecting wheel and the second connecting wheel are both rotatably connected inside the base, and the first connecting wheel is meshedly connected with the limiting rod;

[0010] An upper oil pipe, wherein the upper oil pipe is fixed in the oil tank, and a filter mechanism is arranged inside the upper oil pipe and the filter box, wherein the filter mechanism comprises an iron ring, a first filter plate, a connecting rope and a second filter plate, and the first filter plate is connected to the second filter plate through the connecting rope;

[0011] The filter box has a disassembly and assembly mechanism on the front side, wherein the disassembly and assembly mechanism comprises a disassembly and assembly door, a second handle and a limit block, the disassembly and assembly door is connected to the limit block by a slot, and the limit block is rotatably connected to the filter box through a reset spring.

[0012] Preferably, the left side of the first connecting wheel is meshedly connected with the second connecting wheel, and an oil tank is fixed above the second connecting wheel, and the front side of the first connecting wheel is tightly fitted with the limiting rod.

[0013] Preferably, a support spring is fixed to the middle of the limiting rod, and a first handle is welded below the limiting rod, and the limiting rod is slidably connected to the base via the support spring.

[0014] Preferably, a magnetic ring is fixed to the lower end of the upper oil pipe, and an iron ring is magnetically connected to the inner side of the magnetic ring, and a first filter plate is integrated on the inner side of the iron ring.

[0015] Preferably, a connecting rope is fixed above the first filter plate, and a second filter plate is installed on the upper end of the connecting rope, and the second filter plate slot is connected in the filter box.

[0016] Preferably, sealing rings are fixed to both the front and rear sides of the filter box, and a disassembly door is snap-connected to the outer side of the sealing ring, and a second handle is symmetrically fixed to the outer side of the disassembly door.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the multifunctional valve group of the hydraulic station is convenient for adjusting the direction of the valve group according to the position of the pipeline, has strong flexibility, can be quickly unlocked and fixed, can disassemble and replace both filter plates, avoids filter plate clogging, and is easy to operate;

[0018] 1. A first connecting wheel, a second connecting wheel and a limiting rod are provided. The second connecting wheel fixed under the oil tank is meshed and connected with the first connecting wheel. The first connecting wheel and the second connecting wheel are both rotatably connected in the base. The limiting rod is slidably connected in the base through a supporting spring, which is convenient for adjusting the direction of the valve group according to the position of the pipeline. It has strong flexibility and can be quickly unlocked and fixed.

[0019] 2. A magnetic ring, an iron ring and a connecting rope are provided. The second filter plate is connected to the first filter plate through the connecting rope. The iron ring fixed on the outside of the first filter plate is magnetically connected to the magnetic ring. Pushing the second filter plate can drive the first filter plate to move. Both filter plates can be disassembled, assembled and replaced to avoid blockage of the filter plates.

[0020] 3. A disassembly door, a second handle and a limit block are provided, which are connected through the outer side of the disassembly door and the limit block slot. The limit block is rotatably connected to the filter box through a reset spring. The disassembly door can be removed from the filter box by rotating the limit block, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of a top view of the connection structure between the first connecting wheel and the second connecting wheel of the utility model;

[0023] Figure 3 This is a schematic diagram of the overall structure of the limit rod and the support spring connection of the utility model;

[0024] Figure 4 It is a schematic diagram of the overall structure of the disassembly and assembly mechanism of the utility model.

[0025] In the figure: 1. base; 2. first connecting wheel; 3. second connecting wheel; 4. limit rod; 5. support spring; 6. first handle; 7. oil tank; 8. upper oil pipe; 9. magnetic ring; 10. iron ring; 11. first filter plate; 12. connecting rope; 13. filter box; 14. second filter plate; 15. sealing ring; 16. disassembly and assembly door; 17. second handle; 18. limit block. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-4 The utility model provides a technical solution: a multifunctional valve group of a hydraulic station, including: a base 1, a first connecting wheel 2, a second connecting wheel 3, a limiting rod 4, a supporting spring 5, a first handle 6, an oil tank 7, an upper oil pipe 8, a magnetic ring 9, an iron ring 10, a first filter plate 11, a connecting rope 12, a filter box 13, a second filter plate 14, a sealing ring 15, a disassembly door 16, a second handle 17 and a limiting block 18;

[0028] First, as attached Figure 1 As shown in the figure, hydraulic oil is injected into the oil tank 7, and the direction of the oil tank 7 is adjusted as needed through the adjustment mechanism composed of the first connecting wheel 2, the second connecting wheel 3, the limit rod 4 and the support spring 5. The iron ring 10, the first filter plate 11, the connecting rope 12 and the second filter plate 14 are combined to form a filtering mechanism to filter the hydraulic oil. The disassembly and assembly mechanism is combined with the disassembly and assembly door 16, the second handle 17 and the limit block 18 to facilitate the disassembly and assembly of the first filter plate 11 and the second filter plate 14.

[0029] As attached Figure 1 , Attachment Figure 2 and attached Figure 3 As shown in the figure, the first handle 6 is pulled downward, and the first handle 6 drives the limit rod 4 fixed above it to move, so that the limit rod 4 slides in the base 1 connected to the slot therewith, so that the limit rod 4 is disengaged from the meshing connection with the first connecting wheel 2, and the support spring 5 fixed in the middle of the limit rod 4 is stretched, and then the oil tank 7 is rotated, and the direction of the oil tank 7 is adjusted. The oil tank 7 drives the second connecting wheel 3 fixed below it to rotate in the base 1, and the second connecting wheel 3 drives the first connecting wheel 2 meshed on the right side to rotate in the base 1, and the first handle 6 is released. The elastic action of the support spring 5 pulls the limit rod 4 to reset, so that the limit rod 4 is meshed and connected with the first connecting wheel 2 again, the first connecting wheel 2 is limited, and the oil tank 7 is fixed on the base 1;

[0030] As attached Figure 1 and attached Figure 4 As shown in the figure, the oil in the oil tank 7 enters the upper oil pipe 8 after being filtered by the first filter plate 11, and then passes through the second filter plate 14 for secondary filtration. When the first filter plate 11 and the second filter plate 14 need to be replaced, the limit block 18 is rotated on the filter box 13 to compress the return spring installed therein, so that the limit block 18 is separated from the connection with the card slot of the disassembly door 16, and then the second handle 17 is pulled outward, and the second handle 17 drives the disassembly door 16 fixed thereto to move, so that the disassembly door 16 is separated from the card connection with the sealing ring 15, and the second filter plate 14 is pulled out. The second filter plate 14 drives the connecting rope 12 fixed below and the first filter plate 11 fixed at the lower end of the connecting rope 12 to move, so that the iron ring 10 fixed on the outside of the first filter plate 11 is separated from the magnetic connection with the magnetic ring 9, and the first filter plate 11 is taken out from the upper oil pipe 8, and the second filter plate 14 is taken out from the filter box 13;

[0031] Put the new first filter plate 11 and the second filter plate 14 into the upper oil pipe 8 and the filter box 13, and connect the magnetic ring 9 and the iron ring 10 magnetically, so that the first filter plate 11 and the upper oil pipe 8 are connected by the slot, and the filter box 13 and the second filter plate 14 are connected by the slot, and the disassembly door 16 is connected by the sealing ring 15 fixed on the filter box 13. The limit block 18 is reset due to the reset spring and is connected to the disassembly door 16 slot, which limits the disassembly door 16 and fixes the disassembly door 16 on the filter box 13.

[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the records in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multifunctional valve group for a hydraulic station, comprising: A base (1), an oil tank (7) is installed above the base (1), and a filter box (13) is fixed above the base (1); It is characterized by further comprising: An adjusting mechanism is arranged inside the base (1), wherein the adjusting mechanism comprises a first connecting wheel (2), a second connecting wheel (3), a limiting rod (4) and a supporting spring (5), wherein the first connecting wheel (2) and the second connecting wheel (3) are both rotatably connected inside the base (1), and the first connecting wheel (2) and the limiting rod (4) are meshingly connected; An upper oil pipe (8), the upper oil pipe (8) being fixed in the oil tank (7), and a filtering mechanism is arranged inside the upper oil pipe (8) and the filter box (13), wherein the filtering mechanism comprises an iron ring (10), a first filter plate (11), a connecting rope (12) and a second filter plate (14), and the first filter plate (11) is connected to the second filter plate (14) via the connecting rope (12); A filter box (13), wherein a disassembly and assembly mechanism is arranged on the front side of the filter box (13), wherein the disassembly and assembly mechanism comprises a disassembly and assembly door (16), a second handle (17) and a limit block (18), wherein the disassembly and assembly door (16) and the limit block (18) are connected by a slot, and the limit block (18) is rotatably connected to the filter box (13) via a return spring.

2. A multifunctional valve group for a hydraulic station according to claim 1, characterized in that: The left side of the first connecting wheel (2) is meshedly connected with the second connecting wheel (3), and an oil tank (7) is fixed above the second connecting wheel (3), and the front side of the first connecting wheel (2) is tightly fitted with the limit rod (4).

3. A multifunctional valve group for a hydraulic station according to claim 2, characterized in that: A support spring (5) is fixed in the middle of the limiting rod (4), and a first handle (6) is welded below the limiting rod (4). The limiting rod (4) is slidably connected in the base (1) via the support spring (5).

4. The multifunctional valve group for a hydraulic station according to claim 1, characterized in that: A magnetic ring (9) is fixed to the lower end of the upper oil pipe (8), and an iron ring (10) is magnetically connected to the inner side of the magnetic ring (9), and a first filter plate (11) is integrally provided on the inner side of the iron ring (10).

5. A multifunctional valve group for a hydraulic station according to claim 4, characterized in that: A connecting rope (12) is fixed above the first filter plate (11), and a second filter plate (14) is installed on the upper end of the connecting rope (12), and the second filter plate (14) is connected to the filter box (13) through a slot.

6. The multifunctional valve group for a hydraulic station according to claim 1, characterized in that: The filter box (13) is fixed with sealing rings (15) on both the front and rear sides, and the outer side of the sealing ring (15) is snap-connected with a disassembly door (16), and the outer side of the disassembly door (16) is symmetrically fixed with a second handle (17).

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