Hydraulic control double-pressure valve bank

Abstract

The utility model discloses a hydraulic control double-pressure valve bank, which relates to the technical field of pressure valves and comprises a pressure valve main body, a pipeline is arranged at the top of the pressure valve main body, two adapters are arranged at the bottom of the pressure valve main body and symmetrically distributed on two sides of the bottom of the pressure valve main body respectively, and the adapters are connected with the pipeline. A connecting assembly is arranged at the bottom of the adapter and comprises a threaded pipe, a sealing assembly is arranged in the threaded pipe, an elastic plate is arranged at the bottom of the threaded pipe, a connecting sleeve is arranged outside the elastic plate, a butt joint pipe is arranged in the middle of the threaded pipe, and an anti-skid groove is formed in the outer wall of the connecting sleeve. According to the quick connecting device, the butt joint pipe and the threaded pipe are quickly connected through the connecting assembly, the connecting sleeve is arranged outside the butt joint pipe and the threaded pipe in a sleeving mode, when the connecting sleeve rotates along the threaded pipe, the elastic plate at the bottom of the threaded pipe is extruded, and therefore the butt joint pipe is fixed through the elastic plate.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure valves, in particular to a hydraulically controlled dual-pressure valve group. Background Art

[0002] In the field of pressure control, hydraulic feedback control is often used to achieve the control logic of high pressure opening and low pressure closing. Generally, the oil circuit pressure is first detected by the pressure sensor to the main control unit, and the main control unit sends an on-off signal to the electromagnetic on-off valve through the pre-set control logic to obtain the desired control effect.

[0003] When using a dual pressure valve, the valve body needs to be connected to the pipeline. Most of the existing connection methods are through flanges or snaps. After long-term use, the pipeline connection becomes loose due to long-term use or the sealing gasket is oxidized and deformed, thereby affecting the pipeline sealing effect and the use and safety of the valve body. Therefore, it is necessary to provide a hydraulically controlled dual pressure valve group to solve the problem. Utility Model Content

[0004] The main purpose of the utility model is to provide a hydraulically controlled dual-pressure valve group, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A hydraulically controlled dual pressure valve group comprises a pressure valve body, a pipeline is arranged on the top of the pressure valve body, a transfer seat is arranged on the bottom of the pressure valve body, and a connecting assembly is arranged on the bottom of the transfer seat;

[0007] The connection assembly comprises a threaded pipe, a sealing assembly is arranged inside the threaded pipe, an elastic plate is arranged at the bottom of the threaded pipe, a connecting sleeve is arranged outside the elastic plate, a butt pipe is arranged in the middle of the threaded pipe, and an anti-slip groove is arranged on the outer wall of the connecting sleeve;

[0008] The sealing assembly includes a positioning plate, a sliding block is arranged on the outer wall of the positioning plate, an annular groove is arranged at the bottom of the positioning plate, a top sealing ring is arranged inside the annular groove, a sealing ring is arranged at the bottom of the top sealing ring, a bottom sealing ring is arranged at the bottom of the sealing ring, and a protrusion is arranged on the outer wall of the sealing ring.

[0009] Preferably, the adapter seat is fixedly connected to the threaded tube, and the threaded tube passes through the adapter seat and is connected to the interior of the pressure valve body. The middle of the threaded tube is connected to the interior of the pressure valve body. The threaded tube is fixedly connected to the elastic plate. There are multiple elastic plates, which are evenly distributed at the bottom of the threaded tube, and a certain distance is set between every two elastic plates.

[0010] Preferably, the outer wall of the butt joint tube fits with the inner wall of the elastic plate, and the butt joint tube is inserted between the elastic plate and the threaded tube, the outer wall of the butt joint tube fits with the inside of the threaded tube, the connecting sleeve is arranged at the connection between the butt joint tube and the threaded tube, and the connecting sleeve is arranged in a conical shape, a thread groove is arranged on the inner wall of the connecting sleeve, and the connecting sleeve is connected to the threaded tube through the thread groove.

[0011] Preferably, the positioning plate is fixedly connected to the slider, and there are two sliders, which are symmetrically distributed on the outer walls of both sides of the positioning plate. The outer wall of the positioning plate is in contact with the inner wall of the threaded tube, and a sliding groove is provided on the inner wall of the threaded tube. There are two sliding grooves, which are symmetrically distributed on the inner walls of both sides of the threaded tube. The bottom end of the sliding groove passes through the bottom of the threaded tube, and the slider is slidably connected to the inside of the sliding groove.

[0012] Preferably, the bottom of the positioning plate is in close contact with the top of the sealing ring, the sealing ring is fixedly connected to the top sealing ring, and the sealing ring is fixedly connected to the bottom sealing ring, the bottom sealing ring and the top sealing ring are symmetrically arranged on both sides of the sealing ring, and the top sealing ring is inserted into the annular groove at the bottom of the positioning plate.

[0013] Preferably, the bottom of the sealing ring contacts the top of the docking tube, a plug-in groove is provided on the top of the docking tube, and the top sealing ring at the bottom of the sealing ring is plugged into the inside of the plug-in groove, the sealing ring is fixedly connected to the protrusion, and there are two protrusions, which are symmetrically distributed on the outer walls on both sides of the sealing ring, and the protrusion is slidably connected to the inside of the slide groove.

[0014] Preferably, there are multiple groups of sealing components, which are installed in sequence inside the threaded pipe, and the outer wall of each group of sealing components is in contact with the inner wall of the threaded pipe.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The butt-jointed pipe and the threaded pipe are quickly connected by means of a connection assembly. The connection sleeve is arranged outside the butt-jointed pipe and the threaded pipe. When the connection sleeve rotates along the threaded pipe, the elastic plate at the bottom of the threaded pipe is squeezed, so that the elastic plate can fix the butt-jointed pipe.

[0017] 2. The sealing of the connection between the butt tube and the threaded tube is achieved through the provided sealing assembly, and the positioning plate is used to limit the position of multiple sealing rings. The top sealing ring and the bottom sealing ring on both sides of the sealing ring are respectively clamped in the middle of the positioning plate and the middle of the top of the butt tube, thereby reducing the gap between the sealing ring, the positioning plate and the connection between the butt tube and improving the sealing effect. In addition, the sealing effect of the device is improved by providing multiple sealing rings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a first-view stereogram of the entire device of the utility model;

[0019] Figure 2 It is a second perspective stereogram of the entire device of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the connection assembly of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the threaded pipe and the interior of the connecting sleeve of the utility model;

[0022] Figure 5 It is a structural schematic diagram of the sealing component of the utility model.

[0023] In the figure: 1. Pressure valve body; 2. Adapter; 3. Pipe; 4. Connection assembly; 5. Threaded pipe; 6. Elastic plate; 7. Butt pipe; 8. Connection sleeve; 9. Anti-slip groove; 10. Sealing assembly; 11. Positioning plate; 12. Slider; 13. Slide groove; 14. Annular groove; 15. Sealing ring; 16. Top sealing ring; 17. Bottom sealing ring; 18. Bump; 19. Plug-in groove. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] See also Figure 1-Figure 5 As shown, a hydraulically controlled dual pressure valve group includes a pressure valve body 1, a pipeline 3 is arranged on the top of the pressure valve body 1, and a transfer seat 2 is arranged on the bottom of the pressure valve body 1, and a connecting component 4 is arranged on the bottom of the transfer seat 2;

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the connection assembly 4 includes a threaded tube 5, a sealing assembly 10 is arranged inside the threaded tube 5, an elastic plate 6 is arranged at the bottom of the threaded tube 5, and a connecting sleeve 8 is arranged outside the elastic plate 6, a butt joint tube 7 is arranged in the middle of the threaded tube 5, and an anti-slip groove 9 is arranged on the outer wall of the connecting sleeve 8, the adapter seat 2 is fixedly connected to the threaded tube 5, and the threaded tube 5 passes through the adapter seat 2 and is connected to the inside of the pressure valve body 1, the middle of the threaded tube 5 and the inside of the pressure valve body 1 are connected to each other, the threaded tube 5 is fixedly connected to the elastic plate 6, there are multiple elastic plates 6, which are evenly distributed at the bottom of the threaded tube 5, and a certain distance is set between every two elastic plates 6, and the outer wall of the butt joint tube 7 is connected to the The inner wall of the elastic plate 6 fits together, and the butt joint pipe 7 is inserted in the middle of the elastic plate 6 and the threaded tube 5, the outer wall of the butt joint pipe 7 fits together with the inside of the threaded tube 5, the connecting sleeve 8 is sleeved at the connection between the butt joint pipe 7 and the threaded tube 5, and the connecting sleeve 8 is set in a conical shape, and a thread groove is set on the inner wall of the connecting sleeve 8, and the connecting sleeve 8 is connected to the threaded tube 5 through the thread groove. The butt joint pipe 7 and the threaded tube 5 are quickly connected by the provided connecting assembly 4, and the connecting sleeve 8 is sleeved on the outside of the butt joint pipe 7 and the threaded tube 5. When the connecting sleeve 8 rotates along the threaded tube 5, the elastic plate 6 at the bottom of the threaded tube 5 is squeezed, so that the elastic plate 6 can fix the butt joint pipe 7;

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, the sealing assembly 10 includes a positioning plate 11, a slider 12 is arranged on the outer wall of the positioning plate 11, and an annular groove 14 is arranged at the bottom of the positioning plate 11, a top sealing ring 16 is arranged inside the annular groove 14, and a sealing ring 15 is arranged at the bottom of the top sealing ring 16, a bottom sealing ring 17 is arranged at the bottom of the sealing ring 15, and a protrusion 18 is arranged on the outer wall of the sealing ring 15, the positioning plate 11 is fixedly connected to the slider 12, and there are two sliders 12, which are symmetrically distributed on the outer walls of both sides of the positioning plate 11, and the outer wall of the positioning plate 11 The wall is in contact with the inner wall of the threaded tube 5, and a slide groove 13 is opened on the inner wall of the threaded tube 5, and there are two slide grooves 13, which are symmetrically distributed on the inner walls of both sides of the threaded tube 5, and the bottom end of the slide groove 13 passes through the bottom of the threaded tube 5. The slider 12 is slidably connected inside the slide groove 13, and the bottom of the positioning plate 11 is in close contact with the top of the sealing ring 15. The sealing ring 15 is fixedly connected to the top sealing ring 16, and the sealing ring 15 is fixedly connected to the bottom sealing ring 17. The bottom sealing ring 17 and the top sealing ring 16 are symmetrically arranged on both sides of the sealing ring 15. The sealing ring 16 is inserted into the annular groove 14 at the bottom of the positioning plate 11, the bottom of the sealing ring 15 contacts the top of the butt tube 7, the top of the butt tube 7 is provided with a plug-in groove 19, and the top sealing ring 16 at the bottom of the sealing ring 15 is plugged into the inside of the plug-in groove 19, the sealing ring 15 is fixedly connected to the protrusion 18, and there are two protrusions 18, which are symmetrically distributed on the outer walls of both sides of the sealing ring 15, and the protrusions 18 are slidably connected to the inside of the slide groove 13. There are multiple groups of sealing components 10, which are respectively installed in the inside of the threaded tube 5 in sequence, and each group of sealing components The outer wall of the sealing assembly 10 is in contact with the inner wall of the threaded tube 5. The sealing of the connection between the butt tube 7 and the threaded tube 5 is achieved by the provided sealing assembly 10. The positioning plate 11 is provided to limit the position of multiple sealing rings 15. The top sealing ring 16 and the bottom sealing ring 17 on both sides of the sealing ring 15 are respectively clamped in the middle of the positioning plate 11 and the middle of the top of the butt tube 7, thereby reducing the gap at the connection between the sealing ring 15, the positioning plate 11 and the butt tube 7, improving the sealing effect, and the sealing effect of the device is improved by providing multiple sealing rings 15.

[0028] It should be noted that the utility model is a hydraulically controlled dual-pressure valve group. When in use, the sliders 12 on both sides of the positioning plate 11 are aligned with the slide grooves 13 inside the threaded tube 5, the positioning plate 11 is pushed so that the positioning plate 11 is slidably connected to the inside of the threaded tube 5, and then the protrusions 18 on both sides of the sealing ring 15 are aligned with the slide grooves 13 inside the threaded tube 5, and the sealing ring 15 is pushed so that the sealing ring 15 is slidably connected to the inside of the threaded tube 5, and the operation is repeated, the connecting sleeve 8 is sleeved on the outside of the butt joint 7, and then the butt joint 7 is inserted into the inside of the threaded tube 5 so that the outer wall of the butt joint 7 is tightly fitted with the inner wall of the threaded tube 5, and the connecting sleeve 8 is rotated so that the connecting sleeve 8 rotates along the threaded tube 5, and the elastic plate 6 at the bottom of the threaded tube 5 is squeezed during the rotation, so that the elastic plate 6 can be aligned with the butt joint 7 The butt-joined tube 7 is clamped to realize the positioning of the butt-joined tube 7. At the same time, when the butt-joined tube 7 is inserted into the threaded tube 5, the sealing ring 15 and the positioning plate 11 which are slidably connected inside the threaded tube 5 are squeezed, so that the top sealing ring 16 at the top of the sealing ring 15 is inserted into the annular groove 14 at the bottom of the positioning plate 11, and the bottom sealing ring 17 at the bottom of the top sealing ring 16 is inserted into the insertion groove 19 at the top of the butt-joined tube 7, thereby reducing the gap between the three and improving the sealing effect of the device. In addition, by arranging multiple groups of sealing rings 15 and positioning plates 11, the sealing effect is improved. At the same time, when the sealing ring 15 adjacent to the butt-joined tube 7 is oxidized and deformed, the remaining sealing rings 15 continue to maintain the sealing effect to prevent leakage at the connection of the pipeline after long-term use, which affects the safety of the device.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A hydraulically controlled dual pressure valve assembly, comprising a pressure valve body (1), characterized in that: A pipeline (3) is arranged at the top of the pressure valve body (1), and an adapter seat (2) is arranged at the bottom of the pressure valve body (1), and a connecting assembly (4) is arranged at the bottom of the adapter seat (2); The connection assembly (4) comprises a threaded tube (5), a sealing assembly (10) is arranged inside the threaded tube (5), an elastic plate (6) is arranged at the bottom of the threaded tube (5), and a connection sleeve (8) is arranged outside the elastic plate (6), a butt joint tube (7) is arranged in the middle of the threaded tube (5), and an anti-slip groove (9) is arranged on the outer wall of the connection sleeve (8); The sealing assembly (10) comprises a positioning plate (11), a sliding block (12) is arranged on the outer wall of the positioning plate (11), an annular groove (14) is arranged at the bottom of the positioning plate (11), a top sealing ring (16) is arranged inside the annular groove (14), a sealing ring (15) is arranged at the bottom of the top sealing ring (16), a bottom sealing ring (17) is arranged at the bottom of the sealing ring (15), and a protrusion (18) is arranged on the outer wall of the sealing ring (15).

2. A hydraulically controlled dual pressure valve assembly according to claim 1, characterized in that: The adapter seat (2) is fixedly connected to the threaded tube (5), and the threaded tube (5) passes through the adapter seat (2) and is connected to the interior of the pressure valve body (1). The middle of the threaded tube (5) is connected to the interior of the pressure valve body (1). The threaded tube (5) is fixedly connected to the elastic plate (6). There are a plurality of elastic plates (6), which are evenly distributed at the bottom of the threaded tube (5), and a certain distance is set between every two elastic plates (6).

3. The hydraulically controlled dual pressure valve assembly according to claim 1, characterized in that: The outer wall of the butt joint pipe (7) fits with the inner wall of the elastic plate (6), and the butt joint pipe (7) is inserted between the elastic plate (6) and the threaded pipe (5). The outer wall of the butt joint pipe (7) fits with the inside of the threaded pipe (5). The connecting sleeve (8) is sleeved at the connection between the butt joint pipe (7) and the threaded pipe (5), and the connecting sleeve (8) is arranged in a conical shape. A thread groove is arranged on the inner wall of the connecting sleeve (8), and the connecting sleeve (8) is connected to the threaded pipe (5) through the thread groove.

4. The hydraulically controlled dual pressure valve assembly according to claim 1, characterized in that: The positioning plate (11) is fixedly connected to the slider (12), and there are two sliders (12), which are symmetrically distributed on the outer walls of the positioning plate (11) on both sides. The outer wall of the positioning plate (11) is in contact with the inner wall of the threaded tube (5), and a slide groove (13) is provided on the inner wall of the threaded tube (5). There are two slide grooves (13), which are symmetrically distributed on the inner walls of the threaded tube (5) on both sides. The bottom end of the slide groove (13) passes through the bottom of the threaded tube (5), and the slider (12) is slidably connected inside the slide groove (13).

5. The hydraulically controlled dual pressure valve assembly according to claim 4, characterized in that: The bottom of the positioning plate (11) is in close contact with the top of the sealing ring (15), the sealing ring (15) is fixedly connected to the top sealing ring (16), and the sealing ring (15) is fixedly connected to the bottom sealing ring (17), the bottom sealing ring (17) and the top sealing ring (16) are symmetrically arranged on both sides of the sealing ring (15), and the top sealing ring (16) is inserted into the annular groove (14) at the bottom of the positioning plate (11).

6. The hydraulically controlled dual pressure valve assembly according to claim 5, characterized in that: The bottom of the sealing ring (15) contacts the top of the butt joint tube (7), the top of the butt joint tube (7) is provided with a plug-in groove (19), and the top sealing ring (16) at the bottom of the sealing ring (15) is plugged into the inside of the plug-in groove (19), the sealing ring (15) is fixedly connected to the protrusion (18), and there are two protrusions (18), which are symmetrically distributed on the outer walls of both sides of the sealing ring (15), and the protrusions (18) are slidably connected to the inside of the slide groove (13).

7. The hydraulically controlled dual pressure valve assembly according to claim 1, characterized in that: There are multiple groups of sealing components (10), which are respectively and sequentially installed inside the threaded tube (5), and the outer wall of each group of sealing components (10) is in contact with the inner wall of the threaded tube (5).

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