CN218094392U - Anti-corrosion hydraulic valve with multi-stage sealing - Google Patents

Abstract

The utility model discloses an anticorrosion hydrovalve with multistage is sealed relates to hydrovalve technical field, comprising a main body, the cavity has been seted up to the inside of main part, the inside swing joint of cavity has the case, the both ends difference swing joint of case has first closing plate and second closing plate, swing joint has the second to seal up between first closing plate and second closing plate and the case, the equal fixedly connected with sealing ring in one side of first closing plate and second closing plate. The utility model discloses a thereby first connecting rod can realize being connected of case and first closing plate and second closing plate with the screw hole looks adaptation of second connecting rod one end, and the sealing ring through first closing plate and second closing plate one side can make its leakproofness when the cavity is inside to be removed better, prevents the pressure release when can making first connecting rod and second connecting rod be connected first closing plate and second closing plate through first sealed pad.

Description

Anti-corrosion hydraulic valve with multi-stage sealing

Technical Field

The utility model relates to a relief valve technical field, more specifically relate to an anticorrosion hydrovalve with multistage seal.

Background

The hydraulic valve is an automatic element operated by pressure oil, is controlled by the pressure oil of a pressure distribution valve, is usually combined with an electromagnetic pressure distribution valve for use, can be used for remotely controlling the on-off of oil, gas and water pipeline systems of a hydropower station, is usually used for clamping, controlling, lubricating and other oil circuits, has a direct action type and a pilot type, and is of a multipurpose pilot type.

In chinese utility model patent application no: CN202021756092.3 discloses a hydraulic valve, including the valve barrel, the case subassembly, the valve seat and the stop gear, the valve barrel includes the central cavity that extends axially and the rear end is opened in order to hold the case subassembly and the valve seat, the case subassembly sets up in the front of central cavity, the valve seat sets up in the rear of central cavity and can extrude the case subassembly in order to impel the case subassembly to compress tightly the front of central cavity, the valve seat has the trompil that communicates outside and central cavity, be provided with the spacing groove on the inner wall of central cavity, the stop gear sets up to pass the trompil detachably and spacing with the spacing groove cooperation, so that the valve seat is injectd in the central cavity and extrudes the case subassembly. This hydrovalve still has sealed not good shortcoming that appears the oil leak easily of effect in the use to and the problem of being not convenient for dismantle the inner structure maintenance.

Therefore, there is a need for a corrosion resistant hydraulic valve with multiple seals to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a: in order to solve the hydrovalve, still have sealed effect shortcoming of oil leak easily not good in the use to and the problem of the inner structure maintenance of not being convenient for dismantle, the utility model provides an anticorrosion hydrovalve with multistage sealing.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an anticorrosion hydrovalve with multistage is sealed, includes the main part, the cavity has been seted up to the inside of main part, the inside swing joint of cavity has the case, the both ends of case swing joint have first closing plate and second closing plate respectively, swing joint has the sealed pad of second between first closing plate and second closing plate and the case, the equal fixedly connected with sealing ring in one side of first closing plate and second closing plate, first closing plate runs through and swing joint has head rod and second connecting rod with the inside of second closing plate, the inside screw hole of seting up of second connecting rod, screw hole and head rod looks adaptation, head rod and second connecting rod all run through and swing joint has the first sealed pad.

Furthermore, two liquid discharge holes are formed in the upper end of the valve core and are symmetrically distributed.

Further, the bottom end fixedly connected with inlet pipe of main part.

Further, the upper end fixedly connected with first fluid-discharge tube and second fluid-discharge tube of main part, first fluid-discharge tube is the symmetric distribution with the second fluid-discharge tube.

Further, the both ends of main part are equal threaded connection has sealed piece, two equal fixed mounting has the third to seal up between sealed piece and the main part.

Furthermore, the insides of the two sealing blocks penetrate through and are fixedly connected with hydraulic oil pipes.

(III) advantageous effects

The beneficial effects of the utility model are as follows:

1. the utility model discloses, thereby can realize being connected of case and first closing plate and second closing plate through the screw hole looks adaptation of first connecting rod and second connecting rod one end, the sealing ring through first closing plate and second closing plate one side can make its leakproofness when the cavity is inside to be removed better, can make the pressure release prevent to appear when first closing plate and second closing plate are connected with the second connecting rod through first sealed pad to the effect is better when using.

2. The utility model discloses, can make sealed piece be connected the back leakproofness better with the main part through the third is sealed to fill up, the condition of oil leak prevents to appear, can be to the inside fluid that injects of main part through the inside hydraulic pressure oil pipe of sealed piece, thereby can promote the case and remove inside the cavity, and then can make the outage in turn with first fluid-discharge tube and second fluid-discharge tube looks adaptation, thereby it realizes row's material to realize first fluid-discharge tube and second fluid-discharge tube respectively to remove inside the cavity through the case, and then realize the direction that the material flows, with this effect that can realize the valve, can make it realize multistage sealed through a plurality of sealing washers, thereby make it have better sealed effect, it is safer during the use.

3. The utility model discloses, can take out the case of cavity inside through being connected of sealed piece and main part, and then be convenient for maintain it.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

fig. 2 is a first schematic perspective cross-sectional view of the structure of the present invention;

fig. 3 is a second schematic perspective cross-sectional view of the structure of the present invention;

FIG. 4 is an enlarged schematic view of the structure of area A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of the area B in FIG. 3 according to the present invention;

fig. 6 is an enlarged schematic view of the structure of region C in fig. 2 according to the present invention.

Reference numerals: 1. a main body; 2. a cavity; 3. a valve core; 4. a first sealing plate; 5. a second sealing plate; 6. a seal ring; 7. a first connecting rod; 8. a second connecting rod; 9. a first seal gasket; 10. a threaded hole; 11. a second gasket; 12. a liquid discharge hole; 13. a feeding pipe; 14. a first drain pipe; 15. a second drain pipe; 16. a sealing block; 17. a third gasket; 18. and a hydraulic oil pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

Referring to fig. 3, 4 and 5, an anti-corrosion hydraulic valve with multi-stage sealing includes a main body 1, a cavity 2 is formed in the main body 1, a valve core 3 is movably connected in the cavity 2, a first sealing plate 4 and a second sealing plate 5 are respectively movably connected to two ends of the valve core 3, a second sealing gasket 11 is movably connected between the first sealing plate 4 and the second sealing plate 5 and between the first sealing plate 4 and the valve core 3, a sealing ring 6 is fixedly connected to one side of the first sealing plate 4 and one side of the second sealing plate 5, a first connecting rod 7 and a second connecting rod 8 are respectively movably connected in the first sealing plate 4 and the second sealing plate 5, a threaded hole 10 is formed in the second connecting rod 8, the threaded hole 10 is adapted to the first connecting rod 7, and the first sealing gasket 9 is respectively connected in the first connecting rod 7 and the second connecting rod 8.

In this embodiment, thereby can realize through the screw hole 10 looks adaptation of the one end of head rod 7 and second connecting rod 8 that case 3 is connected with first closing plate 4 and second closing plate 5, the sealing ring 6 through first closing plate 4 and second closing plate 5 one side can make its leakproofness when cavity 2 is inside to be removed better, can make head rod 7 and second connecting rod 8 prevent the pressure release when being connected first closing plate 4 and second closing plate 5 through first sealed pad 9, thereby the effect is better when using.

Example 2

Referring to fig. 2 and 6, the present embodiment is further optimized based on embodiment 1, specifically, two liquid discharge holes 12 are formed at the upper end of the valve core 3, and the two liquid discharge holes 12 are symmetrically distributed.

Specifically, the bottom end of the main body 1 is fixedly connected with a feeding pipe 13.

Specifically, the upper end of the main body 1 is fixedly connected with a first liquid discharge pipe 14 and a second liquid discharge pipe 15, and the first liquid discharge pipe 14 and the second liquid discharge pipe 15 are symmetrically distributed.

In this embodiment, can make the back leakproofness of sealing block 16 and main part 1 being connected better through third sealed pad 17, prevent the condition of oil leak, can pour into fluid into to main part 1 inside through the inside hydraulic pressure oil pipe 18 of sealing block 16, thereby can promote case 3 and remove in cavity 2 inside, and then can make outage 12 in turn with first fluid-discharge tube 14 and second fluid-discharge tube 15 looks adaptation, thereby can realize first fluid-discharge tube 14 and second fluid-discharge tube 15 respectively through case 3 removes in cavity 2 inside and realize arranging the material, and then realize the direction that the material flows, thereby can realize the effect of valve, can make it realize multistage sealing through a plurality of sealing washers, thereby make it have better sealed effect, it is safer during the use.

Example 3

Referring to fig. 1, the present embodiment is optimized based on the embodiment 1 or 2, specifically, the two ends of the main body 1 are both connected with the sealing blocks 16 through threads, and the third gaskets 17 are fixedly installed between the two sealing blocks 16 and the main body 1.

Specifically, hydraulic oil pipes 18 penetrate through and are fixedly connected to the insides of the two sealing blocks 16.

In this embodiment, the valve element 3 inside the cavity 2 can be taken out by connecting the sealing block 16 with the main body 1, thereby facilitating maintenance of the valve element.

In conclusion: the utility model discloses a first connecting rod 7 can realize being connected of case 3 and first closing plate 4 and second closing plate 5 with the 10 looks adaptations of the screw hole of 8 one ends of second connecting rod, sealing ring 6 through first closing plate 4 and second closing plate 5 one side can make its leakproofness when cavity 2 is inside to be removed better, can make first connecting rod 7 and second connecting rod 8 prevent the pressure release when being connected first closing plate 4 and second closing plate 5 through first sealed pad 9, thereby the effect is better when using, can make sealed piece 16 be better with main part 1 connection back leakproofness through third sealed pad 17, prevent the condition of oil leak, can realize first fluid-discharge tube 14 and second fluid-discharge tube 15 through the inside hydraulic pressure oil pipe 18 of sealed piece 16 to main part 1 inside injection fluid, thereby can promote case 3 and remove cavity 2 inside, and then can make the fluid-discharge hole 12 in turn with first fluid-discharge tube 14 and second fluid-discharge tube 15 looks adaptations, thereby can realize first fluid-discharge tube 14 and second fluid-discharge tube 15 respectively through case 3 in cavity 2 inside removal, and then realize the effect of valve that the sealed case can make it have more sealed effect through the sealed case 3 and its inside to be convenient for maintenance, thereby it has the safe material to take out through its sealed piece of taking out through a plurality of sealed piece.

Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. An anti-corrosion hydraulic valve with multistage sealing, comprising a main body (1), characterized in that: the improved sealing structure is characterized in that a cavity (2) is formed in the main body (1), a valve core (3) is movably connected in the cavity (2), a first sealing plate (4) and a second sealing plate (5) are movably connected to two ends of the valve core (3) respectively, a second sealing gasket (11) is movably connected between the first sealing plate (4) and the second sealing plate (5) and between the first sealing plate (4) and the valve core (3), a sealing ring (6) is fixedly connected to one side of the first sealing plate (4) and one side of the second sealing plate (5), a first connecting rod (7) and a second connecting rod (8) are movably connected to the first sealing plate (4) and the second sealing plate (5) in a penetrating mode, a threaded hole (10) is formed in the second connecting rod (8), the threaded hole (10) is matched with the first connecting rod (7), and the first sealing gasket (9) is movably connected to the first connecting rod (7) and the second connecting rod (8) in a penetrating mode.

2. The corrosion protection hydraulic valve with multi-stage sealing of claim 1, wherein: two liquid discharge holes (12) are formed in the upper end of the valve core (3), and the two liquid discharge holes (12) are symmetrically distributed.

3. The corrosion protection hydraulic valve with multi-stage sealing of claim 1, wherein: the bottom end of the main body (1) is fixedly connected with a feeding pipe (13).

4. The corrosion protection hydraulic valve with multi-stage sealing of claim 1, wherein: the upper end fixedly connected with first fluid-discharge tube (14) and second fluid-discharge tube (15) of main part (1), first fluid-discharge tube (14) is the symmetric distribution with second fluid-discharge tube (15).

5. The corrosion protection hydraulic valve with multi-stage sealing of claim 1, wherein: the equal threaded connection in both ends of main part (1) has sealed piece (16), two equal fixed mounting has the sealed pad of third (17) between sealed piece (16) and main part (1).

6. The corrosion protection hydraulic valve with multi-stage sealing of claim 5, wherein: the interior of each of the two sealing blocks (16) is penetrated and fixedly connected with a hydraulic oil pipe (18).

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