CN214889061U - Sealing valve safe to use - Google Patents

Abstract

The utility model relates to the sealing element technical field, in particular to a sealing valve with safe use, which comprises a protective shell, a connecting rod, a first valve body, a second valve body, a pressure relief component and a water replenishing component, wherein a first slideway, a second slideway and a third slideway are arranged in the protective shell, the sealing valve which is safe in use is provided with a first valve body and a second valve body, double sealing protection is realized, the sealing valve is prevented from leaking, when sealing is carried out, the second valve body is firstly sealed, the second valve body is provided with a buffer device, when the first valve body is sealed, the water pressure in the first slideway is changed, the outer side of the protective shell is provided with a pressure relief assembly, pressure relief is convenient to carry out, the valve body is prevented from being damaged, be provided with pressure sensor in the pressure release pipe, the equipment is sealed the back, and pressure in the first slide is certain, and pressure sensor response pressure variation back, the warning ware reports to the police, makes things convenient for the suggestion personnel to overhaul.

Description

Sealing valve safe to use

Technical Field

The utility model relates to a sealing member technical field specifically is a safe in utilization's seal valve.

Background

As is well known, a valve is a control component in a fluid delivery system, and has functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting, overflowing, relieving pressure, and the like.

Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are classified into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves, nonstandard valves, and the like according to the material.

For example, the patent publication "CN 105113990B" is named as: the patent of "conjugate rotary seal valve for generating pulse jet" discloses that "the embodiment of the invention provides a conjugate rotary seal valve for generating pulse jet, which comprises: the shell body is internally provided with the following structures: the first end of the power input shaft is connected with the power output shaft of the turbine; the torque transmission key is connected with the second end of the power input shaft and the first end of the central shaft; the connecting cylinder is sleeved at the joint of the power input shaft and the central shaft; the elastic medium is arranged in a round hole above a key groove hole at the second end of the power input shaft; the first end of the eccentric shaft is fixedly connected with the second end of the central shaft; the sealing valve block is fixedly connected to the second end of the eccentric shaft; the sealing valve plate is arranged below the second end of the eccentric shaft and on the step surface between two adjacent through holes, and a limiting clamping groove and a pulse flow channel are arranged on the sealing valve plate; when the discharge capacity of the ground slurry pump is larger than the preset discharge capacity, the pulse flow channel is periodically unblocked or sealed to generate pulse jet flow; when the discharge capacity of the ground slurry pump is smaller than the preset discharge capacity, the sealing valve block is limited in the limiting clamping groove.

The existing conjugate rotary sealing valve for generating pulse jet flow is found to have complex equipment structure, inconvenient assembly, inconvenient production and manufacture and no leakage warning device in use, so that the use limitation is higher.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a safe in utilization's seal valve.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safe in utilization's seal valve, includes protective housing, connecting rod, first valve body, second valve body, pressure release subassembly and moisturizing subassembly, be provided with first slide, second slide and third slide in the protective housing, third slide, first slide and second slide three connect gradually from last to bottom, first slide diameter is greater than second slide diameter, third slide diameter is greater than first slide diameter, be provided with in the protective housing connecting rod, first valve body and second valve body, the connecting rod link up first valve body and second valve body, first valve body with first slide phase-match, the second valve body with second slide phase-match, first slide one side is provided with the pressure release subassembly, first slide opposite side is provided with the moisturizing subassembly.

For the convenience guarantee in the protective housing that first slide is sealed, the utility model discloses the improvement has, first valve body includes first mounting panel and sealing washer, the sealing washer cover is in first mounting panel week side.

For the convenience guarantee that the second slide is sealed in the protective housing, the utility model discloses the improvement has, the second valve body includes second mounting panel, telescopic link, spring and sealing plug, second mounting panel one end with the connecting rod is connected, the telescopic link other end with the second mounting panel other end is connected, the telescopic link other end with the sealing plug is connected, the spring housing is in on the telescopic link, spring one end with the second mounting panel is connected, the spring other end with the sealing plug is connected.

For convenient automatic pressure release, prevent that the protection tube pressurized from damaging excessively, the utility model discloses the improvement has, the pressure release subassembly includes pressure release pipe, pressure sensor and solenoid valve, pressure release pipe one end link up extremely in the first slide, the pressure release pipe other end is provided with the solenoid valve, be provided with in the pressure release pipe pressure sensor, pressure sensor with the solenoid valve is connected.

For the convenience provide the leakage warning, the utility model discloses the improvement has, the protective housing openly imbeds there is the attention device, pressure sensor with the attention device is connected.

In order to make things convenient for the second grade moisturizing, the utility model discloses the improvement has, the moisturizing subassembly includes moisturizing pipe and moisturizing valve, moisturizing pipe one end link up extremely in the first slide, the moisturizing pipe other end is provided with the moisturizing valve.

(III) advantageous effects

Compared with the prior art, the utility model provides a safe in utilization's seal valve possesses following beneficial effect:

the sealing valve safe to use is provided with a first valve body and a second valve body, and double sealing protection is achieved to prevent the sealing valve from leaking.

This safe in utilization's seal valve, when sealing, the second valve body seals earlier, is provided with buffer on the second valve body, and when first valve body sealed, the water pressure in the first slide changed, and the protective housing outside is provided with the pressure release subassembly, conveniently carries out the pressure release, prevents that the valve body from receiving the damage.

According to the sealing valve safe to use, the pressure sensor is arranged in the pressure relief pipe, after the equipment is sealed, the pressure in the first slide way is constant, and after the pressure sensor senses pressure change, the alarm gives an alarm, so that the maintenance of personnel is facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partially enlarged schematic view of the structure of FIG. 1 of the present invention;

fig. 3 is a front view of the structure of the present invention.

In the figure: 1. a protective shell; 2. a connecting rod; 3. a first slideway; 4. a second slideway; 5. a third slideway; 6. a first mounting plate; 7. a seal ring; 8. a second mounting plate; 9. a telescopic rod; 10. a spring; 11. a sealing plug; 12. a pressure relief pipe; 13. a pressure sensor; 14. an electromagnetic valve; 15. an alarm; 16. a water replenishing pipe; 17. and a water replenishing valve.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, a sealing valve with safety in use includes a protective housing 1, a connecting rod 2, a first valve body, a second valve body, a pressure relief assembly and a water replenishing assembly, a first slideway 3, a second slideway 4 and a third slideway 5 are arranged in the protective shell 1, the third slideway 5, the first slideway 3 and the second slideway 4 are sequentially connected from top to bottom, the diameter of the first slideway 3 is larger than that of the second slideway 4, the diameter of the third slideway 5 is larger than that of the first slideway 3, the connecting rod 2, the first valve body and the second valve body are arranged in the protective shell 1, the connecting rod 2 penetrates through the first valve body and the second valve body, the first valve body is matched with the first slideway 3, the second valve body is matched with the second slideway 4, the pressure relief assembly is arranged on one side of the first slide 3, and the water replenishing assembly is arranged on the other side of the first slide 3.

First valve body includes first mounting panel 6 and sealing washer 7, sealing washer 7 cover is in 6 week sides of first mounting panel, for the convenience guarantee in the protective housing 1 first slide 3 sealed.

The second valve body includes second mounting panel 8, telescopic link 9, spring 10 and sealing plug 11, 8 one end of second mounting panel with connecting rod 2 is connected, the 9 other ends of telescopic link with the 8 other ends of second mounting panel are connected, the 9 other ends of telescopic link with sealing plug 11 is connected, spring 10 cover is in on the telescopic link 9, spring 10 one end with the second mounting panel 8 is connected, the 10 other end of spring with sealing plug 11 is connected, for the convenience guarantee in the protective housing 1 second slide 4 sealed.

The pressure release subassembly includes pressure release pipe 12, pressure sensor 13 and solenoid valve 14, pressure release pipe 12 one end link up extremely in the first slide 3, the pressure release pipe 12 other end is provided with solenoid valve 14, be provided with in the pressure release pipe 12 pressure sensor 13, pressure sensor 13 with solenoid valve 14 is connected, for convenient automatic pressure release, prevents that the protection tube receives the too big damage of pressure.

The protective housing 1 openly embeds there is alarm 15, pressure sensor 13 with alarm 15 is connected, for the convenience provides the leakage warning.

The moisturizing subassembly includes moisturizing pipe 16 and moisturizing valve 17, 16 one end of moisturizing pipe link up extremely in the first slide 3, 16 other ends of moisturizing pipe are provided with moisturizing valve 17, for the convenience of second grade moisturizing.

In summary, in the sealing valve safe in use, when in use, the connecting rod 2 slides in the protective casing 1, the end of the second valve body firstly extends into the second slideway 4 to realize the sealing of the second slideway 4, a groove is arranged below the piston, the groove is matched with a flange at the joint of the first slideway 3 and the second slideway 4, when the connecting rod 2 continues to slide downwards, the piston extrudes the second mounting plate 8, the telescopic rod 9 contracts, the spring 10 compresses to enable the piston to be tightly sealed with the second slideway 4, when the telescopic rod 9 expands and contracts, the first valve body is matched with the first slideway 3, the first mounting plate 6 moves downwards, a groove is arranged below the first mounting plate 6 and is matched with a flange at the joint of the third slideway 5 and the first slideway 3, a sealing ring 7 is arranged on the first mounting plate 6 to further ensure the sealing performance of the first valve body and the first slideway 3, when the first valve body and the first slideway 3 are gradually sealed, when the water pressure in the first slideway 3 changes and exceeds the threshold value of the pressure sensor 13, the electromagnetic valve 14 is opened to release the pressure, after the sealing valve is completely sealed, if the water pressure in the first slideway 3 changes, the alarm 15 gives an alarm to prompt a worker to perform maintenance and inspection, and after the sealing valve is opened, the water replenishing valve 17 is opened, and secondary water replenishing is conveniently performed through the water replenishing pipe 16.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a sealing valve safe in utilization, includes protective housing (1), connecting rod (2), first valve body, second valve body, pressure release subassembly and moisturizing subassembly, its characterized in that: be provided with first slide (3), second slide (4) and third slide (5) in protective housing (1), third slide (5), first slide (3) and second slide (4) three connect gradually from last to bottom, first slide (3) diameter is greater than second slide (4) diameter, third slide (5) diameter is greater than first slide (3) diameter, be provided with in protective housing (1) connecting rod (2), first valve body and second valve body, connecting rod (2) link up first valve body and second valve body, first valve body with first slide (3) phase-match, the second valve body with second slide (4) phase-match, first slide (3) one side is provided with the pressure release subassembly, first slide (3) opposite side is provided with the moisturizing subassembly.

2. A safety sealing valve as set forth in claim 1 wherein: the first valve body comprises a first mounting plate (6) and a sealing ring (7), and the sealing ring (7) is sleeved on the periphery of the first mounting plate (6).

3. A safety sealing valve as set forth in claim 2 wherein: the second valve body comprises a second mounting plate (8), an expansion rod (9), a spring (10) and a sealing plug (11), one end of the second mounting plate (8) is connected with the connecting rod (2), the other end of the expansion rod (9) is connected with the other end of the second mounting plate (8), the other end of the expansion rod (9) is connected with the sealing plug (11), the spring (10) is sleeved on the expansion rod (9), one end of the spring (10) is connected with the second mounting plate (8), and the other end of the spring (10) is connected with the sealing plug (11).

4. A safety sealing valve as set forth in claim 3 wherein: the pressure relief assembly comprises a pressure relief pipe (12), a pressure sensor (13) and an electromagnetic valve (14), one end of the pressure relief pipe (12) is communicated with the inside of the first slide way (3), the other end of the pressure relief pipe (12) is provided with the electromagnetic valve (14), the pressure sensor (13) is arranged in the pressure relief pipe (12), and the pressure sensor (13) is connected with the electromagnetic valve (14).

5. A safety sealing valve as set forth in claim 4 wherein: the protective housing (1) openly imbeds and has warner (15), pressure sensor (13) with warner (15) are connected.

6. A safety sealing valve as set forth in claim 5 wherein: the water supplementing assembly comprises a water supplementing pipe (16) and a water supplementing valve (17), one end of the water supplementing pipe (16) is communicated to the inside of the first slide way (3), and the other end of the water supplementing pipe (16) is provided with the water supplementing valve (17).

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