阅读说明：本技术 一种利用压强特性维护检测阀门设备 (Valve maintenance and detection equipment utilizing pressure intensity characteristics ) 是由 郑杰 于 2019-11-06 设计创作，主要内容包括：本发明涉及阀门维护检测技术领域,且公开了一种利用压强特性维护检测阀门设备,包括阀体,所述阀体的两侧均固定连接有密封圈,密封圈的内部固定连接有调节箱,调节箱的内部开设有螺纹,螺纹的表面活动连接有转动体,转动体的表面开设有气孔,所述阀体的内部且位于密封圈的表面固定连接有中空通道,中空通道的表面活动连接有螺纹管。并通过转动体流向密封圈内部,根据需要注入的密封脂的量,可通过把手移动转动体控制气孔开通的数量,进而调节流过的密封脂的量,从而达到注脂均匀且定量的效果；当流入中空通道内的密封脂体积过多时,会超过承重网所能承受的重量,进而从中空通道流出,不影响阀体的正常使用。(The invention relates to the technical field of valve maintenance and detection, and discloses valve equipment utilizing pressure characteristics to maintain and detect, which comprises a valve body, wherein sealing rings are fixedly connected to two sides of the valve body, an adjusting box is fixedly connected to the inside of each sealing ring, threads are formed in the adjusting box, a rotating body is movably connected to the surface of each thread, an air hole is formed in the surface of each rotating body, a hollow channel is fixedly connected to the surface of the sealing ring in the valve body, and a threaded pipe is movably connected to the surface of the hollow channel. The rotating body is moved by the handle to control the number of the opened air holes according to the amount of the sealing grease injected as required, so that the amount of the flowing sealing grease is regulated, and the effect of uniform and quantitative grease injection is achieved; when the volume of the sealing grease flowing into the hollow channel is too large, the sealing grease can exceed the weight born by the bearing net, and then flows out of the hollow channel, so that the normal use of the valve body is not influenced.)

1. A valve apparatus for maintenance testing using pressure characteristics, comprising a valve body (1), characterized in that: the equal fixedly connected with sealing washer (2) in both sides of valve body (1), the inside fixedly connected with regulating box (3) of sealing washer (2), screw thread (4) are seted up to the inside of regulating box (3), and the surperficial swing joint of screw thread (4) has rotor (5), and gas pocket (6) have been seted up on the surface of rotor (5).

The valve is characterized in that a hollow channel (7) is fixedly connected to the surface of the valve body (1) and located on the sealing ring (2), a threaded pipe (8) is movably connected to the surface of the hollow channel (7), one end, far away from the hollow channel (7), of the threaded pipe (8) is movably connected with an inflow pipeline (9), and a liquid storage tank (10) is fixedly connected to the surface of the inflow pipeline (9).

2. A maintenance check valve apparatus using pressure characteristics as recited in claim 1, wherein: the joint of the liquid storage tank (10) and the inflow pipeline (9) is hinged with a baffle plate (11).

3. A maintenance check valve apparatus using pressure characteristics as recited in claim 2, wherein: the surface of the baffle (11) is movably connected with a spring (12).

4. A maintenance check valve apparatus using pressure characteristics as recited in claim 1, wherein: both sides of the rotating body (5) are fixedly connected with handles (13).

5. A maintenance check valve apparatus using pressure characteristics as recited in claim 1, wherein: the interior of the hollow channel (7) is fixedly connected with a bearing net (14).

6. A maintenance check valve apparatus using pressure characteristics as recited in claim 1, wherein: and a pipeline (15) is fixedly connected to one side of the sealing ring (2) far away from the valve body (1).

7. A maintenance check valve apparatus using pressure characteristics as recited in claim 5, wherein: the weight that the bearing net (14) can bear is the same as the volume of the hollow channel (7).

8. A maintenance check valve apparatus using pressure characteristics as recited in claim 1, wherein: the inside of valve body (1) just is located the top fixedly connected with communicating pipe (16) of liquid reserve tank (10).

Technical Field

The invention relates to the technical field of valve maintenance and detection, in particular to valve maintenance and detection equipment utilizing pressure characteristics.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, and during routine maintenance, the valve is required to be in a dry and ventilated chamber, two ends of a channel are blocked, the valve stored for a long time is required to be checked regularly to remove dirt, and anti-rust oil is coated on a processing surface.

After the valve is installed, the valve should be checked regularly, and correct and orderly effective maintenance can protect the valve so as to enable the valve to normally function and prolong the service life of the valve, wherein grease injection work is essential in the maintenance of the valve.

When the valve is subjected to grease injection maintenance, the valve is set to be in a fully closed or fully opened state before grease injection, so that the interior of the valve body is kept at a certain pressure or air is completely exhausted, and then the sealed position of the valve is cleaned; in addition, the grease injection port can be blocked when the flow of the grease injected by the valve is stopped, so that the grease output is uneven, and therefore, the maintenance and detection valve device utilizing the pressure characteristic is produced.

Disclosure of Invention

In order to realize the purposes of detecting the sealing performance of the valve, cleaning the part to be greased and ensuring even greasing, the invention provides the following technical scheme: the utility model provides an utilize pressure characteristic to maintain detection valve equipment, includes the valve body, the equal fixedly connected with sealing washer in both sides of valve body, the inside fixedly connected with regulating box of sealing washer, the inside screw thread of seting up of regulating box, threaded surface swing joint has the rotor, and the gas pocket is seted up on the surface of rotor, the inside of valve body and the fixed surface that is located the sealing washer are connected with the cavity passageway, and the surface swing joint of cavity passageway has the screwed pipe, and the one end swing joint that the hollow passageway was kept away from to the screwed pipe has the inflow pipeline, and the fixed surface of inflow pipeline is connected with the.

The invention has the beneficial effects that:

1. through installing the valve body in the both sides of pipeline to make the sealing washer combine together with the inside of pipeline, when needs detect, make the valve body keep the open mode, the fluid normally flows through from the valve body inside, and the fluid flows through can disturb the inside air current of valve body, and according to the relation of air current and pressure, when the air current velocity of flow is great, its surrounding pressure can diminish, according to the pressure characteristic: the pressure can make the gas flow from the place with high pressure to the place with low pressure; the gas above the liquid storage tank in the valve body flows into the sealing ring through the communicating pipe, so that the effects of detecting the sealing property of the sealing position of the valve and cleaning the position to be greased are achieved.

2. The air flow at the upper part of the liquid storage tank is introduced into the sealing ring by pressure intensity, meanwhile, the baffle is pulled and opened under the limitation of the spring, the sealing grease in the liquid storage tank flows into the interior of the threaded pipe through the inflow pipeline, the sealing grease can enter the interior of the hollow channel under the action of gravity, the sealing grease in the hollow channel is blown by the air flow to the surface of the sealing ring and flows to the interior of the sealing ring through the rotating body, the rotating body can be moved by the handle to control the number of the opened air holes according to the amount of the sealing grease injected as required, and then the amount of the flowing sealing grease is adjusted, so that the effect of uniform and quantitative grease injection is achieved; when the volume of the sealing grease flowing into the hollow channel is too large, the sealing grease can exceed the weight born by the bearing net, and then flows out of the hollow channel, so that the normal use of the valve body is not influenced.

Preferably, the junction of the liquid storage tank and the inflow pipeline is hinged with a baffle plate, and the baffle plate plays a role in limiting the flow of sealing grease in the liquid storage tank.

Preferably, the surface of the baffle is movably connected with a spring, and the spring plays a role in pulling the baffle to close the liquid storage tank again after the sealing grease flows out.

Preferably, both sides of the rotor are fixedly connected with handles which play a role in facilitating movement of the rotor.

Preferably, the interior fixedly connected with bearing net of hollow passageway, bearing net play and prevent that hollow passageway internal seal fat from piling up too much, and influence the normal use of valve body.

Preferably, one side of the sealing ring far away from the valve body is fixedly connected with a pipeline.

Preferably, the load-bearing web can bear the same weight as the volume of the hollow passage.

Preferably, the inside of the valve body and the top of the liquid storage tank are fixedly connected with a communicating pipe.

Preferably, the number of the sealing rings is two, and the sealing rings are symmetrically arranged on two sides of the valve body.

Drawings

FIG. 1 is a front cross-sectional view of the valve body structure of the present invention;

FIG. 2 is a schematic view of a threaded pipe according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a schematic view of the seal ring of the present invention;

FIG. 5 is a sectional view of the structure of the regulating box of the present invention.

In the figure: 1-valve body, 2-sealing ring, 3-regulating box, 4-screw thread, 5-rotating body, 6-air hole, 7-hollow channel, 8-screw pipe, 9-inflow pipeline, 10-liquid storage tank, 11-baffle, 12-spring, 13-handle, 14-bearing net, 15-pipeline and 16-communicating pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a valve device for maintaining and detecting pressure characteristics comprises a valve body 1, wherein two sides of the valve body 1 are fixedly connected with two sealing rings 2, the two sealing rings 2 are symmetrically arranged on two sides of the valve body 1, the sealing rings 2 are internally provided with grease injection parts, one side of each sealing ring 2 away from the valve body 1 is fixedly connected with a pipeline 15, the sealing rings 2 are internally fixedly connected with an adjusting box 3, the adjusting box 3 is internally provided with threads 4, the surfaces of the threads 4 are movably connected with a rotating body 5, two sides of the rotating body 5 are fixedly connected with handles 13, the handles 13 play a role of facilitating movement of the rotating body 5, the surface of the rotating body 5 is provided with air holes 6, the rotating body 5 can be moved by the handles 13 according to the amount of sealing grease to be injected, so as to control the opening amount of the air holes 6, and further adjust the amount of the flowing sealing grease, the hollow channel 7, the hollow channel 7 plays a role in detecting the sealing performance of the valve body and providing a space for the flowing of sealing grease, when the flow rate of the air flow is relatively large, the pressure around the air flow is reduced, and according to the pressure characteristic: the pressure can make the gas flow from the place with high pressure to the place with low pressure; the baffle 11 is pulled under the influence of air flow and is opened under the limitation of a spring 12, sealing grease in the liquid storage tank 10 flows into the interior of the threaded pipe 8 through the inflow pipeline 9, the sealing grease can enter the interior of the hollow channel 7 under the action of gravity, the sealing grease in the hollow channel 7 is blown by the air flow to the surface of the sealing ring 2 and flow to the interior of the sealing ring 2 through the rotating body 5, the interior of the hollow channel 7 is fixedly connected with a bearing net 14, the weight borne by the bearing net 14 is the same as the volume of the hollow channel 7, the bearing net 14 plays a role of preventing the excessive accumulation of the sealing grease in the hollow channel 7 and influencing the normal use of the valve body 1, the surface of the hollow channel 7 is movably connected with a threaded pipe 8, the threaded pipe 8 is of a hollow design and has certain elasticity, one end of the threaded pipe 8, which is far away from the hollow channel 7, is movably connected with the inflow pipeline 9, a communicating pipe 16 is fixedly connected inside the valve body 1 and positioned at the top of the liquid storage tank 10, and gas above the liquid storage tank 10 inside the valve body 1 flows into the sealing ring 2 through the communicating pipe 16; the junction of liquid reserve tank 10 and inflow pipeline 9 articulates there is baffle 11, and the surperficial swing joint of baffle 11 has spring 12, and spring 12 plays when sealed fat outflow back, and the effect that liquid reserve tank 10 was closed once more to the pulling baffle 11, and baffle 11 plays the effect that the sealed fat of restriction liquid reserve tank 10 inside flows.

When the valve is used, the valve body 1 is arranged on two sides of the pipeline 15, the sealing ring 2 is combined with the inside of the pipeline 15, when detection is needed, the valve body 1 is kept in an opening state, fluid normally flows through the inside of the valve body 1, the fluid disturbs airflow inside the valve body 1 when flowing, according to the relationship between the airflow and pressure, when the flow rate of the airflow is large, the pressure around the airflow is reduced, and according to the pressure characteristic: the pressure can make the gas flow from the place with high pressure to the place with low pressure; namely, the gas above the liquid storage tank 10 in the valve body 1 flows into the sealing ring 2 through the communicating pipe 16, and the functions of detecting the sealing property of the sealing position of the valve 1 and cleaning the part to be greased are achieved; the air flow at the upper part of the liquid storage tank 10 is introduced into the sealing ring 2 by pressure intensity, meanwhile, the baffle plate 11 is pulled and opened under the limitation of the spring 12, the sealing grease in the liquid storage tank 10 flows into the threaded pipe 8 through the inflow pipeline 9, the sealing grease can enter the hollow channel 7 under the action of gravity, the sealing grease in the hollow channel 7 is blown by the air flow to the surface of the sealing ring 2 and flows into the sealing ring 2 through the rotating body 5, the rotating body 5 can be moved by the handle 13 to control the number of the air holes 6 to be opened according to the amount of the sealing grease to be injected, and the amount of the flowing sealing grease is further adjusted, so that the uniform and quantitative effect of grease injection is achieved; when the volume of the sealing grease flowing into the hollow channel 7 is too large, the sealing grease can exceed the weight which can be borne by the bearing net 14, and then flows out of the hollow channel 7, so that the normal use of the valve body 1 is not influenced.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.