Anti-pollution hydraulic valve element with flow conversion and impurity removal structure

Abstract

The utility model discloses an anti-pollution hydraulic valve core with a flow conversion impurity removal structure, which is provided with a first hydraulic valve core, one side of the first hydraulic valve core is connected with a second hydraulic valve core, and one side, close to the second hydraulic valve core, of the first hydraulic valve core is connected with a first connecting ring. The side, close to the first hydraulic valve element, of the second hydraulic valve element is connected with a second connecting ring, and the second connecting ring is connected with the first connecting ring. Comprising a filter screen, the filter screen is connected into a first hydraulic valve element and a second hydraulic valve element, and reinforcing ribs are evenly connected into the filter screen and can play a role in filtering and blocking stains. Under the mutual matching of the sealing groove and the sealing seat, the section of the sealing ring is trapezoidal and is matched with the shape of the sealing seat, so that the sealing performance of the joint of the first connecting ring and the second connecting ring can be effectively improved, and water is prevented from flowing out from the joint.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic valves, in particular to an anti-pollution hydraulic valve core provided with a flow conversion and impurity removal structure. Background Art

[0002] The hydraulic valve is an automatic component operated by pressure oil. It is controlled by the pressure oil of the pressure regulating valve. It is usually used in combination with the electromagnetic pressure regulating valve and can be used to remotely control the on and off of the oil, gas and water pipeline systems of the hydropower station.

[0003] Chinese patent authorization announcement number CN213206143U discloses a hydraulic valve core, including a valve core body, a plurality of valve holes are evenly opened in the middle of the valve core body along the circumferential direction, fixing rings are installed at both ends of the valve core body, the fixing rings are located on both sides of the valve hole, and grooves are opened at the outer sides of both ends of the valve core body where they connect with the fixing rings, a clamping ring is fixed on the opposite side of the fixing ring, an adjusting ring is sleeved inside the clamping ring, a sealing block is fixed between the opposite sides of the adjusting ring, a positioning mechanism is installed between the adjusting ring and the fixing ring, the positioning mechanism includes a second positioning hole, a first positioning hole and a positioning bolt, the first positioning hole is evenly opened along the circumference of the clamping ring, the second positioning hole is evenly opened along the circumference of the groove, and the positions of the second positioning hole and the first positioning hole correspond, the positioning bolt is inserted into the first positioning hole, and the sizes of the first positioning hole, the second positioning hole and the positioning bolt are matched. The utility model has a simple structure and is easy to adjust.

[0004] The above-mentioned existing technical solution has the following shortcomings: this technical solution facilitates the adjustment and closing of the position of the adjusting ring through the positioning mechanism, thereby improving the practicability of the valve core, but this technical solution is only difficult to effectively improve the sealing effect of the connection through the single structural shape of the sealing ring, and there is still room for optimization in the sealing performance. At the same time, this technical solution is fixed by bolts, but the bolts are affected by water for a long time and are prone to rust and loosening. We need to make further improvements on this. Utility Model Content

[0005] The utility model aims to provide an anti-fouling hydraulic valve core with a flow conversion and impurity removal structure to solve the problem of relatively simple sealing performance of the existing hydraulic valve core proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-fouling hydraulic valve core with a flow conversion and impurity removal structure is provided with a first hydraulic valve core, one side of the first hydraulic valve core is connected to a second hydraulic valve core, a side of the first hydraulic valve core close to the second hydraulic valve core is connected to a first connecting ring, a side of the second hydraulic valve core close to the first hydraulic valve core is connected to a second connecting ring, and the second connecting ring is connected to the first connecting ring;

[0007] include:

[0008] The filter screen is connected to the inside of the first hydraulic valve core and the second hydraulic valve core. The inside of the filter screen is evenly connected with reinforcing ribs to filter and block stains. Grooves are arranged on both sides of the top of the filter screen.

[0009] When using an anti-fouling hydraulic valve core with a flow conversion and impurity removal structure of the present technical solution, by installing a filter net and arranging multiple groups of reinforcing ribs inside the filter net, the strength of the filter net can be strengthened to prevent the filter net from being damaged under the impact of water, thereby effectively extending its service life and use value. At the same time, through the snap-fit ​​connection relationship between the positioning block and the sealing ring, a positioning effect can be achieved on the connection between the first connecting ring and the second connecting ring.

[0010] Preferably, a slider is fixedly connected to the outer side of the filter screen, and sliding grooves are arranged on the outer sides of the first hydraulic valve core and the second hydraulic valve core, and the sliding grooves are both slidably connected to the slider.

[0011] Preferably, screw holes are evenly arranged inside the first connecting ring and the second connecting ring, and bolts penetrate the inside of the screw holes, and the outer sides of the bolts are connected to limiting plates.

[0012] Preferably, the outer side of the bolt fits with the inner side of the limiting plate, and the two can be tightly connected.

[0013] Preferably, one end of the limiting plate close to the first connecting ring is connected with a clamping block, and one end of the first connecting ring close to the limiting plate is provided with a clamping groove, and the clamping groove is engaged with the clamping block.

[0014] Preferably, a side of the first connecting ring close to the second connecting ring is evenly connected with a positioning block, a side of the second connecting ring close to the first connecting ring is evenly provided with a positioning groove, and the positioning grooves are adsorbed and connected to the positioning block through a magnet.

[0015] Preferably, the size of the positioning grooves is equal to that of the positioning blocks, and the cross-sections of the positioning blocks are all arranged to be trapezoidal.

[0016] Preferably, a sealing ring is connected inside the first connecting ring, a sealing seat is connected inside the second connecting ring, and a sealing groove is provided inside the sealing seat, and the sealing groove is fitted and connected with the sealing ring.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) By installing the filter and setting multiple sets of reinforcing ribs inside it, the strength of the filter can be strengthened to prevent the filter from being damaged under the impact of water, effectively extending its service life and use value;

[0019] Through the sliding connection between the slider and the slide slot, it is convenient for the staff to take out the filter and clean the impurities blocked on its surface, thus realizing the function of impurity removal;

[0020] By cooperating with the sealing groove and the sealing seat, and setting the cross section of the sealing ring to be trapezoidal, which matches the shape of the sealing seat, the sealing performance of the connection between the first connecting ring and the second connecting ring can be effectively improved to prevent water from flowing out of the connection;

[0021] (2) The engagement relationship between the positioning block and the sealing ring can provide a positioning effect for the connection between the first connecting ring and the second connecting ring, thereby preventing the first connecting ring and the second connecting ring from being misaligned during splicing, thereby preventing water from overflowing;

[0022] By installing the limiting plate, the inner side of which fits the outer side of the bolt, the limiting fixation of the bolt is further strengthened to prevent it from shaking or loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0025] Figure 2 It is a three-dimensional schematic diagram of the filter screen of the utility model;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the limiting plate of the utility model;

[0027] Figure 4 This is a schematic diagram of the three-dimensional structure of the first connecting ring and the second connecting ring combined in the utility model;

[0028] Figure 5 It is a schematic diagram of the internal three-dimensional structure of the utility model.

[0029] Explanation of the reference numerals in the figure: 1. first hydraulic valve core; 2. second hydraulic valve core; 3. first connecting ring; 4. second connecting ring; 5. bolt; 6. screw hole; 7. positioning groove; 8. slide groove; 9. filter screen; 10. slider; 11. reinforcing rib; 12. groove; 13. sealing seat; 14. limit plate; 15. block; 16. positioning block; 17. sealing ring; 18. sealing groove. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, 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.

[0031] See also Figure 1-Figure 5 , the utility model provides the following technical solutions:

[0032] Embodiment 1

[0033] In order to solve the problem that the sealing performance of the existing hydraulic valve core in the prior art is relatively simple, the following solution is disclosed, specifically as follows: Figure 1 , Figure 2 and Figure 5 As shown, a first hydraulic valve core 1 is provided, a second hydraulic valve core 2 is connected to one side of the first hydraulic valve core 1, a first connecting ring 3 is connected to the side of the first hydraulic valve core 1 close to the second hydraulic valve core 2, a second connecting ring 4 is connected to the side of the second hydraulic valve core 2 close to the first hydraulic valve core 1, and the second connecting ring 4 is connected to the first connecting ring 3; including: a filter screen 9, which is connected to the inside of the first hydraulic valve core 1 and the second hydraulic valve core 2, the inside of the filter screen 9 is evenly connected with reinforcing ribs 11, which can filter and block stains, grooves 12 are provided on both sides of the top of the filter screen 9, a slider 10 is fixedly connected to the outside of the filter screen 9, a slide groove 8 is provided on the outside of the first hydraulic valve core 1 and the second hydraulic valve core 2, and the slide groove 8 is slidably connected to the slider 10, a sealing ring 17 is connected to the inside of the first connecting ring 3, a sealing seat 13 is connected to the inside of the second connecting ring 4, and a sealing groove 18 is provided inside the sealing seat 13, and the sealing groove 18 is fitted and connected with the sealing ring 17.

[0034] In this embodiment, when in use, water flows in from one end of the first hydraulic valve core 1 and then emerges from the other end. The water passes through the filter screen 9 to filter out impurities in the water. With the cooperation of the reinforcing ribs 11, the strength of the filter screen 9 can be strengthened. Through the sliding connection between the slider 10 and the slide groove 8, it is convenient for the staff to take out the filter screen 9 and clean it.

[0035] Embodiment 2

[0036] This embodiment is different from the first embodiment. The engagement relationship between the positioning block 16 and the sealing ring 17 can provide a positioning effect on the connection between the first connecting ring 3 and the second connecting ring 4. Figure 1 , Figure 3 and Figure 4As shown, the first connecting ring 3 and the second connecting ring 4 are evenly provided with screw holes 6, and the screw holes 6 are penetrated by bolts 5, the outer sides of the bolts 5 are connected to the limiting plate 14, the outer sides of the bolts 5 are fitted with the inner sides of the limiting plate 14, and the two can be fastened together, the end of the limiting plate 14 close to the first connecting ring 3 is connected with a clamping block 15, the end of the first connecting ring 3 close to the limiting plate 14 is provided with a clamping groove, and the clamping groove is connected with the clamping block 15, the side close to the second connecting ring 4 is evenly connected with a positioning block 16, the side of the second connecting ring 4 close to the first connecting ring 3 is evenly provided with a positioning groove 7, and the positioning groove 7 is connected with the positioning block 16 by adsorption, the size of the positioning groove 7 is equal to the size of the positioning block 16, the cross-section of the positioning block 16 is set to be trapezoidal, the inside of the first connecting ring 3 is connected with a sealing ring 17, the inside of the second connecting ring 4 is connected with a sealing seat 13, and the inside of the sealing seat 13 is provided with a sealing groove 18, and the sealing groove 18 is fitted and connected with the sealing ring 17.

[0037] In this embodiment, when the first hydraulic valve core 1 and the second hydraulic valve core 2 need to be connected during use, the snap-fit ​​connection between the positioning groove 7 and the positioning block 16 can achieve a preliminary positioning effect on the installation between the first hydraulic valve core 1 and the second hydraulic valve core 2, and then fix them with bolts 5, and install the limit plate 14 to prevent the bolts 5 from loosening.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-fouling hydraulic valve core with a flow conversion and impurity removal structure, comprising a first hydraulic valve core (1), one side of the first hydraulic valve core (1) is connected to a second hydraulic valve core (2), a side of the first hydraulic valve core (1) close to the second hydraulic valve core (2) is connected to a first connecting ring (3), a side of the second hydraulic valve core (2) close to the first hydraulic valve core (1) is connected to a second connecting ring (4), and the second connecting ring (4) is connected to the first connecting ring (3); It is characterized in that include: A filter screen (9) is connected to the inside of the first hydraulic valve core (1) and the second hydraulic valve core (2). The inside of the filter screen (9) is evenly connected with reinforcing ribs (11) to filter and block dirt. Grooves (12) are provided on both sides of the top of the filter screen (9).

2. The anti-fouling hydraulic valve core with a flow conversion and impurity removal structure according to claim 1, characterized in that: A slider (10) is fixedly connected to the outside of the filter screen (9), and a slide groove (8) is provided on the outside of the first hydraulic valve core (1) and the second hydraulic valve core (2), and the slide grooves (8) are both slidably connected to the slider (10).

3. The anti-fouling hydraulic valve core with a flow conversion and impurity removal structure according to claim 1, characterized in that: The first connecting ring (3) and the second connecting ring (4) are evenly provided with screw holes (6), and bolts (5) are passed through the inside of the screw holes (6), and the outer sides of the bolts (5) are connected to limit plates (14).

4. The anti-fouling hydraulic valve core with a flow conversion and impurity removal structure according to claim 3 is characterized in that: The outer side of the bolt (5) fits into the inner side of the limiting plate (14), and the two can be tightly connected.

5. The anti-fouling hydraulic valve core with a flow conversion and impurity removal structure according to claim 4, characterized in that: One end of the limiting plate (14) close to the first connecting ring (3) is connected to a clamping block (15), and one end of the first connecting ring (3) close to the limiting plate (14) is provided with a clamping groove, and the clamping groove is clamped and connected with the clamping block (15).

6. The anti-fouling hydraulic valve core with a flow conversion and impurity removal structure according to claim 1, characterized in that: A positioning block (16) is evenly connected to one side of the first connecting ring (3) close to the second connecting ring (4), and a positioning groove (7) is evenly arranged on one side of the second connecting ring (4) close to the first connecting ring (3), and the positioning groove (7) is adsorbed and connected to the positioning block (16) by means of an iron magnet.

7. The anti-fouling hydraulic valve core with a flow conversion and impurity removal structure according to claim 6, characterized in that: The size of the positioning groove (7) is equal to the size of the positioning block (16), and the cross-section of the positioning block (16) is arranged to be trapezoidal.

8. The anti-fouling hydraulic valve core with a flow conversion and impurity removal structure according to claim 1, characterized in that: The first connecting ring (3) is internally connected to a sealing ring (17), the second connecting ring (4) is internally connected to a sealing seat (13), and the sealing seat (13) is internally provided with a sealing groove (18), and the sealing groove (18) is closely connected to the sealing ring (17).

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