阅读说明：本技术 管件连接阀及输油设备 (Pipe fitting connecting valve and oil transportation equipment ) 是由 田晓燕 赵综凯 赵高楷 李泓锐 于 2018-09-10 设计创作，主要内容包括：本发明提供一种管件连接阀及输油设备,其中,该管件连接阀包括：阀体,所述阀体具有进油端及出油端,所述进油端内设置有进油腔,所述出油端内设置有出油腔；截止机构,所述截止机构安装在所述阀体上,所述截止机构用于控制所述进油腔与出油腔的通断；加热装置,所述加热装置的至少部分设置在所述进油端,以对所述进油腔中的流体加热。当本发明中的管件连接阀安装在不同环境下时,虽然不同环境的温度不同,但是由于进油端安装有加热装置,使得进油管的流体温度升高,即使在低温条件下,管件连接阀的流道中的流体也不会将流道堵塞,降低了流体与流道内壁的摩擦力和阻力,使得流体能够在流道中正常输送,提高了流体输送效率。(The invention provides a pipe fitting connection valve and oil transportation equipment, wherein the pipe fitting connection valve comprises: the oil-discharging valve comprises a valve body, a valve body and a valve body, wherein the valve body is provided with an oil inlet end and an oil outlet end, an oil inlet cavity is formed in the oil inlet end, and an oil outlet cavity is formed in the oil outlet end; the cut-off mechanism is arranged on the valve body and is used for controlling the connection and disconnection of the oil inlet cavity and the oil outlet cavity; a heating device, at least part of the heating device is arranged at the oil inlet end to heat the fluid in the oil inlet cavity. When the pipe fitting connecting valve is installed in different environments, although the temperatures of the different environments are different, the temperature of fluid in the oil inlet pipe is increased due to the fact that the heating device is installed at the oil inlet end, even under the low-temperature condition, the fluid in the flow channel of the pipe fitting connecting valve cannot block the flow channel, friction force and resistance between the fluid and the inner wall of the flow channel are reduced, the fluid can be normally conveyed in the flow channel, and fluid conveying efficiency is improved.)

1. A pipe fitting connection valve, comprising:

the oil-discharging valve comprises a valve body, a valve body and a valve body, wherein the valve body is provided with an oil inlet end and an oil outlet end, an oil inlet cavity is formed in the oil inlet end, and an oil outlet cavity is formed in the oil outlet end;

the cut-off mechanism is arranged on the valve body and is used for controlling the connection and disconnection of the oil inlet cavity and the oil outlet cavity;

a heating device, at least part of the heating device is arranged at the oil inlet end to heat the fluid in the oil inlet cavity.

2. A plumbing connection valve according to claim 1, wherein said heating means comprises: an electric heating tube and a protective shell; the electric heating pipe is used for being connected with a power supply, and the electric heating pipe is sleeved outside the oil inlet end; the protective shell is sleeved outside the electric heating pipe.

3. The plumbing valve of claim 2, further comprising a thermal sleeve disposed between the electrical heating tube and the protective shell.

4. A plumbing connection valve according to claim 1, wherein said valve body is further provided with a mounting hole in which said shut-off mechanism is mounted.

5. The plumbing connection valve of claim 4, wherein the shut-off mechanism comprises:

the blocking piece is movably arranged between the oil inlet cavity and the oil outlet cavity,

the buffer sheet is arranged in the mounting hole in a sliding mode;

the transmission assembly is connected between the buffer sheet and the blocking sheet;

the buffer sheet can drive the blocking sheet to move through the transmission assembly so as to control the on-off of the oil inlet cavity and the oil outlet cavity.

6. The plumbing connection valve of claim 5, wherein said mounting hole is provided with a sliding slot;

the transmission assembly comprises a sensing piece and a transmission arm, the sensing piece is arranged in the sliding groove in a sliding mode, the sliding direction of the sensing piece is perpendicular to that of the buffer piece, and the sensing piece is located above the buffer piece when the blocking piece is located at an opening position for communicating the oil inlet cavity with the oil outlet cavity; one end of the transmission arm is hinged with the sensing piece, and the other end of the transmission arm is hinged with the blocking piece; the blocking piece is also connected with the valve body through a first spring;

when the pressure of fluid in the oil inlet cavity is greater than a preset value, the fluid pushes the buffer sheet to move upwards away from the oil inlet cavity, the buffer sheet pushes the sensing sheet to slide outwards away from the central axis of the mounting hole, the sensing sheet drives the blocking sheet to move to a stopping position through the transmission arm so as to block the oil inlet cavity and the oil outlet cavity, and the blocking sheet drives the first spring to be in a stretching state;

when the pressure of the fluid in the oil inlet cavity is smaller than a preset value, the buffer sheet moves downwards, the first spring returns under the action of elastic potential energy of the first spring and drives the blocking sheet to move to an opening position, and the blocking sheet drives the sensing sheet to slide inwards through the transmission arm.

7. The plumbing connection valve of claim 6, further comprising:

the flat pressing connecting end is connected with the valve body and is provided with a central hole, and the central hole is communicated with the mounting hole;

the lower end of the flat pressing end is arranged in the central hole, and the lower end of the flat pressing end is connected with the buffer sheet through a second spring;

the rotating disc is rotatably arranged at the flat pressing connecting end and is in threaded connection with the flat pressing end, so that the flat pressing end and the buffer sheet are driven to slide through the rotation of the rotating disc.

8. A plumbing valve according to any one of claims 1 to 7, wherein the outlet of the oil inlet chamber to the oil outlet chamber is located above the inlet of the oil outlet chamber to the oil inlet chamber.

9. A tubular connecting valve according to any one of claims 1-7, characterized in that a flow vane is arranged in the oil inlet chamber, and that a flow meter is connected to the flow vane for measuring the flow in the oil inlet chamber.

10. An oil transfer apparatus, comprising: first transfer pipe, second transfer pipe, pipe connection valve according to any of claims 1-9, one end of the pipe connection valve being connected to the first transfer pipe and the other end of the pipe connection valve being connected to the second transfer pipe.

Technical Field

The invention relates to the field of connecting valves, in particular to a pipe fitting connecting valve and oil transportation equipment.

Background

In the process of medium transmission, a pipe fitting is generally used as a carrier for transmitting a medium, and particularly in the process of petroleum transmission, the pipe fitting is an essential carrier in the process of petroleum transmission. When a pipe is used to transport oil, a connecting valve is usually installed on the pipe to control the on/off of the oil transport in the pipe through the connecting valve.

Disclosure of Invention

The invention provides a pipe fitting connecting valve and oil transportation equipment, and aims to solve the problems that in the prior art, due to different temperatures of different environments, pipelines of the connecting valve are blocked under a low-temperature condition, normal transportation of petroleum is influenced, and further the petroleum transportation efficiency is reduced.

In one aspect, the present application provides a pipe connection valve, comprising: the oil-discharging valve comprises a valve body, a valve body and a valve body, wherein the valve body is provided with an oil inlet end and an oil outlet end, an oil inlet cavity is formed in the oil inlet end, and an oil outlet cavity is formed in the oil outlet end; the cut-off mechanism is arranged on the valve body and is used for controlling the connection and disconnection of the oil inlet cavity and the oil outlet cavity; a heating device, at least part of the heating device is arranged at the oil inlet end to heat the fluid in the oil inlet cavity.

Further, the heating device includes: an electric heating tube and a protective shell; the electric heating pipe is used for being connected with a power supply, and the electric heating pipe is sleeved outside the oil inlet end; the protective shell is sleeved outside the electric heating pipe.

Furthermore, a heat insulation sleeve is arranged between the electric heating pipe and the protective shell.

Further, the valve body is further provided with a mounting hole, and the stop mechanism is mounted in the mounting hole.

Further, the cutoff mechanism includes: the barrier piece is movably arranged between the oil inlet cavity and the oil outlet cavity, and the buffer piece is arranged in the mounting hole in a sliding manner; the transmission assembly is connected between the buffer sheet and the blocking sheet; the buffer sheet can drive the blocking sheet to move through the transmission assembly so as to control the on-off of the oil inlet cavity and the oil outlet cavity.

Furthermore, a sliding groove is arranged on the mounting hole; the transmission assembly comprises a sensing piece and a transmission arm, the sensing piece is arranged in the sliding groove in a sliding mode, the sliding direction of the sensing piece is perpendicular to that of the buffer piece, and the sensing piece is located above the buffer piece when the blocking piece is located at an opening position for communicating the oil inlet cavity with the oil outlet cavity; one end of the transmission arm is hinged with the sensing piece, and the other end of the transmission arm is hinged with the blocking piece; the blocking piece is also connected with the valve body through a first spring; when the pressure of fluid in the oil inlet cavity is greater than a preset value, the fluid pushes the buffer sheet to move upwards away from the oil inlet cavity, the buffer sheet pushes the sensing sheet to slide outwards away from the central axis of the mounting hole, the sensing sheet drives the blocking sheet to move to a stopping position through the transmission arm so as to block the oil inlet cavity and the oil outlet cavity, and the blocking sheet drives the first spring to be in a stretching state; when the pressure of the fluid in the oil inlet cavity is smaller than a preset value, the buffer sheet moves downwards, the first spring returns under the action of elastic potential energy of the first spring and drives the blocking sheet to move to an opening position, and the blocking sheet drives the sensing sheet to slide inwards through the transmission arm.

Further, still include: the flat pressing connecting end is connected with the valve body and is provided with a central hole, and the central hole is communicated with the mounting hole; the lower end of the flat pressing end is arranged in the central hole, and the lower end of the flat pressing end is connected with the buffer sheet through a second spring; the rotating disc is rotatably arranged at the flat pressing connecting end and is in threaded connection with the flat pressing end, so that the flat pressing end and the buffer sheet are driven to slide through the rotation of the rotating disc.

Further, the outlet of the oil inlet cavity facing the oil outlet cavity is positioned above the inlet of the oil outlet cavity facing the oil inlet cavity.

Furthermore, a flow blade is arranged in the oil inlet cavity and connected with a flow meter to measure the flow in the oil inlet cavity.

In another aspect, the present application provides an oil transfer apparatus comprising: first transmission pipe fitting, second transmission pipe fitting, the pipe connection valve of any preceding embodiment, the one end of pipe connection valve links to each other with first transmission pipe fitting, the other end of pipe connection valve links to each other with the second transmission pipe fitting.

According to the pipe fitting connecting valve and the oil conveying equipment, the valve body comprising the oil inlet end and the oil outlet end is arranged, the stop mechanism is mounted on the valve body, the pipe fitting connecting valve can be turned on and off, and the heating device is arranged on the oil inlet end, so that fluid flowing into the oil inlet end can be heated conveniently, and the fluid can smoothly pass through the flow channel. Compared with the prior art, when the pipe fitting connecting valve provided by the invention is arranged in different environments, although the temperatures of the different environments are different, the temperature of the fluid in the oil inlet pipe is increased due to the fact that the heating device is arranged at the oil inlet end, the fluid in the flow channel of the pipe fitting connecting valve cannot block the flow channel even under the low-temperature condition, the friction force and the resistance between the fluid and the inner wall of the flow channel are reduced, the fluid can be normally conveyed in the flow channel, and the fluid conveying efficiency is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic diagram of a pipe fitting connection valve according to an embodiment of the present invention;

FIG. 2 is a schematic view showing an internal structure of a pipe connection valve according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an oil inlet end in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a transmission assembly according to an embodiment of the invention.

Reference numerals:

100-tubing connection valves;

110-a valve body; 111-oil inlet end; 112-oil outlet end; 113-sealing sheet; 121-an electric heating tube; 122-a protective shell; 123-insulating sleeves; 131-a barrier sheet; 132-a buffer sheet; 141-flow vanes; 142-a flow meter; 151-sensor sheet; 152-a drive arm; 161-a first spring; 170-flat pressing the connecting end; 180-flat pressing end; 190-rotating the disc.

With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

A plumbing connection valve according to an embodiment of the first aspect of the present application is described below with reference to fig. 1-3. As shown in fig. 1-3, the present application provides a pipe connection valve 100 comprising: the valve comprises a valve body 110, wherein the valve body 110 is provided with an oil inlet end 111 and an oil outlet end 112, an oil inlet cavity is arranged in the oil inlet end 111, and an oil outlet cavity is arranged in the oil outlet end 112; the stop mechanism is arranged on the valve body 110 and is used for controlling the on-off of the oil inlet cavity and the oil outlet cavity; and a heating device, at least part of which is arranged at the oil inlet end 111 to heat the fluid in the oil inlet cavity.

Optionally, the valve body 110 may have an irregular structure, for example, the valve body 110 may include a body and a cylinder connected to the body, the two ends of the body are both connected to the cylinder, the ball and the cylinder are both provided with flow channels, and the ball is communicated with the flow channels on the cylinder, so as to transport fluid.

The valve body 110 has a flow passage, one end of the flow passage is an oil inlet end 111, and the other end of the flow passage is an oil outlet end 112, and optionally, the flow passage in the oil inlet end 111 forms an oil inlet cavity, and the flow passage in the oil outlet end 112 forms an oil outlet cavity. Optionally, the valve body 110 may be made of carbon steel, so as to increase the strength of the pipe connection valve 100.

The stopping mechanism may include a knob, a connecting rod, and a baffle plate, wherein the upper end of the connecting rod is connected to the knob, the lower end of the connecting rod is connected to the baffle plate, the baffle plate may be plate-shaped, and the cross section of the baffle plate is adapted to the cross section of the flow passage of the valve body 110, so as to disconnect the oil inlet end 111 and the oil outlet end 112 of the valve body 110.

The valve body 110 can be provided with a mounting post, the mounting post can be provided with a mounting hole, and the mounting post is communicated with the flow passage in the valve body 110 through the mounting hole; the knob of the stop mechanism is connected with the mounting column in a threaded mode, the connecting rod of the stop mechanism penetrates through the mounting hole and then is inserted into the flow channel of the valve body 110, the baffle is mounted in the flow channel of the valve body 110, the upper end of the baffle is connected with the connecting rod, and the baffle rotates in the flow channel of the valve body 110 through rotation of the knob, so that the oil inlet cavity and the oil outlet cavity are controlled to be switched on and off.

The heating device is installed at the oil inlet end 111, optionally, the heating device may include a resistance wire, the resistance wire may be wound on the outer wall of the oil inlet end 111 of the valve body 110, or may be disposed on the inner wall of the oil inlet end 111 of the valve body 110, so as to heat the fluid entering the oil inlet end 111; of course, the heating device further comprises a power supply, wherein the power supply is connected with the resistance wire so as to supply power to the resistance wire.

Optionally, the heating device may also be installed at the oil outlet end 112, that is, the oil inlet end 111 and the oil outlet end 112 may be respectively installed with the heating device, so as to further improve the smoothness of fluid transportation in the flow channel of the valve body 110.

With the pipe fitting connecting valve 100 provided in this embodiment, when fluid needs to be transported through the flow channel of the valve body 110, the knob of the stopping mechanism is manually rotated to turn the baffle plate to connect the flow channel of the oil inlet 111 and the flow channel of the oil outlet 112, so that the fluid flows from the oil inlet 111 to the oil outlet 112 of the valve body 110, and the heating device is turned on to heat the fluid at the oil inlet 111, so that the fluid smoothly flows from the oil inlet 111 to the oil outlet 112; when it is required to communicate the oil inlet end 111 and the oil outlet end 112 through the flow passage of the valve body 110, the knob of the stop mechanism is manually rotated to rotate the baffle plate to disconnect the flow passages of the oil inlet end 111 and the oil outlet end 112, and the pipe connection valve 110 stops transferring fluid.

The pipe fitting connection valve 100 provided by the embodiment is provided with a valve body 110 including an oil inlet end 111 and an oil outlet end 112, and a stop mechanism is installed on the valve body 110, so that the pipe fitting connection valve can be switched on and off, and a heating device is arranged on the oil inlet end 111, so that fluid flowing into the oil inlet end 111 is heated, and the fluid can smoothly pass through a flow channel. Compared with the prior art, the pipe fitting connection valve 100 provided by the embodiment is adopted, when the pipe fitting connection valve 100 in the embodiment is installed in different environments, although the temperatures of the different environments are different, because the oil inlet end is provided with the heating device, the temperature of the fluid of the oil inlet pipe 111 is increased, even under a low-temperature condition, the fluid in the flow channel of the pipe fitting connection valve 100 cannot block the flow channel, the friction force and the resistance between the fluid and the inner wall of the flow channel are reduced, the fluid can be normally conveyed in the flow channel, and the fluid conveying efficiency is improved.

Further, the heating device includes: an electric heating tube 121 and a protective shell 122; the electric heating pipe 121 is used for being connected with a power supply, and the electric heating pipe 121 is sleeved outside the oil inlet end 111; the protective shell 122 is sleeved outside the electric heating tube 121.

Optionally, the electric heating pipe 121 may be a tubular body, and the electric heating pipe 121 may be sleeved outside the oil inlet 111 of the valve body 110, for example, a resistance wire is wound on an inner wall of the electric heating pipe 121, and the resistance wire is connected with an external power supply, and it can be understood that the resistance wire is located outside the oil inlet 111, so as to heat a pipe wall of the oil inlet 111, and further heat fluid flowing into the oil inlet 111.

Optionally, the protective shell 122 may be a tubular body, the protective shell 122 may be coaxially disposed with the electric heating tube 121 and the oil inlet tube 111, and a tube diameter of the protective shell 122 is greater than a tube diameter of the electric heating tube 121, so that the protective shell 122 is sleeved outside the electric heating tube 121, wherein the protective shell 122 may be made of galvanized iron, but is not limited to this material, and may also be made of other materials, which is only illustrated here.

According to the pipe fitting connecting valve 100 provided by the embodiment, the electric heating pipe 121 is sleeved outside the oil inlet end 111, so that oil in the oil inlet end 111 is effectively and uniformly heated, and smoothness of oil conveying is guaranteed; meanwhile, the protective shell 122 is sleeved outside the electric heating pipe 121, so that the oil inlet end 111 can be prevented from being damaged by the outside, and the oil transportation stability of the oil inlet end 111 is ensured.

Further, a thermal insulation sleeve 123 is further disposed between the electric heating tube 121 and the protective shell 122.

The heat insulation sleeve 123 may be a tubular body, the heat insulation layer 123 is sleeved outside the electric heating tube 121, and optionally, the heat insulation sleeve 123 may be coaxially arranged with the electric heating tube 121; the protective shell 122 may be sleeved outside the thermal insulation sleeve 123, and optionally, the protective shell 122 may be disposed coaxially with the thermal insulation sleeve 123.

Alternatively, the insulating sheath 123 may be made of rubber, but is not limited thereto, and is only illustrated here.

The pipe fitting connecting valve 100 provided by the embodiment is arranged between the electric heating pipe 121 and the protecting shell 122 through the heat insulating sleeve 123, so that the electric heating pipe 121 is insulated, the heat emission is effectively reduced, the heat balance of the electric heating pipe 121 is ensured, and the heat insulating effect is achieved.

Further, the valve body 110 is provided with a mounting hole in which the shut-off mechanism is mounted.

Optionally, the mounting hole may be disposed on an upper end wall of the valve body 110, and the mounting hole is communicated with the flow passage of the valve body 110; for example, a connecting rod of the stop mechanism may be inserted into the mounting hole, an upper end of the connecting rod is connected to the knob, a lower end of the connecting rod is connected to a baffle, and the baffle is located in the flow passage of the valve body 110. The valve body 110 is provided with a mounting hole so that part of the shut-off mechanism is mounted in the flow passage of the valve body 110, and the shut-off mechanism controls the opening and closing of the flow passage in the valve body 110.

Further, the cutoff mechanism includes: the baffle plate 131, the baffle plate 131 is movably arranged between the oil inlet cavity and the oil outlet cavity, the buffer plate 132 is arranged in the mounting hole in a sliding manner; the transmission component is connected between the buffer sheet 132 and the barrier sheet 131; the buffer plate 132 can drive the blocking plate 131 to move through the transmission assembly, so as to control the connection and disconnection of the oil inlet cavity and the oil outlet cavity.

Optionally, the blocking piece 131 may be arc-shaped, and it can be understood that one side of the blocking piece 131 facing the oil inlet cavity may be concave arc-shaped; block piece 131 and can move about the setting between oil feed chamber and the oil outlet chamber to block the fluid that flows to oil outlet end 112 by oil feed end 111, simultaneously, will block piece 131 and set up to be circular-arcly, can increase the area of contact with the oil, make block piece 131 can alleviate the impact force of the oil that flows in by oil feed end 111, and then avoided causing because of oil pressure is too big and block piece 131 and take place to break.

The buffer plate 132 may be an arc-shaped cylinder, and it is understood that the side of the buffer plate 132 facing the oil inlet chamber may have a concave surface, so as to increase the contact area between the oil and the buffer plate 132; the buffer sheet 132 can be installed in the installation hole of the valve body 110, optionally, when the buffer sheet 132 is an arc-shaped cylinder, a slide way can be arranged on the hole wall of the installation hole of the valve body 110, a guide post matched with the slide way can be arranged on the side surface of the buffer sheet 132, which is in contact with the installation hole, the guide post of the buffer sheet 132 is inserted in the slide way of the installation hole of the valve body 110, on one hand, the buffer sheet 132 can be guided to move up and down in the installation hole, on the other hand, the downward movement distance of the buffer sheet 132 can be limited, so that the buffer sheet falls off into the flow channel of the valve body 110.

The transmission assembly can be connected between the buffer plate 132 and the blocking plate 131, as shown in fig. 4, so that the transmission assembly is driven by the buffer plate 132 to move, and the transmission assembly drives the blocking plate 131 to move, thereby controlling the on-off of the oil inlet cavity and the oil outlet cavity.

Optionally, a chute may be disposed on the mounting hole of the valve body 110; the transmission assembly comprises a sensing piece 151 and a transmission arm 152, the sensing piece 151 is arranged in the sliding groove in a sliding mode, the sliding direction of the sensing piece 151 is perpendicular to that of the buffer piece 132, and when the blocking piece 131 is located at an opening position for communicating the oil inlet cavity with the oil outlet cavity, the sensing piece 151 is located above the buffer piece 132; one end of the transmission arm 152 is hinged with the sensing piece 151, and the other end of the transmission arm 152 is hinged with the blocking piece 131; the blocking piece 131 is also connected to the valve body 110 by a first spring 161; when the pressure of fluid in the oil inlet cavity is greater than a preset value, the fluid pushes the buffer sheet 132 to move upwards away from the oil inlet cavity, the buffer sheet 132 pushes the sensing sheet 151 to slide outwards away from the central axis of the mounting hole, the sensing sheet 151 drives the blocking sheet 131 to move to a stop position through the transmission arm 152 to block the oil inlet cavity and the oil outlet cavity, and the blocking sheet 131 drives the first spring 161 to be in a stretching state; when the pressure of the fluid in the oil inlet chamber is smaller than the preset value, the buffer plate 132 moves downward, the first spring 161 returns under the action of its elastic potential energy and drives the blocking plate 131 to move to the open position, and the blocking plate 131 drives the sensing plate 151 to slide inward through the transmission arm 152.

The sensing piece 151 may be a cylinder, and of course, the sensing piece 151 may also be an irregular structure with two small ends and a large middle; the chute on the mounting hole of the valve body 110 can be arranged on the slideway of the mounting hole, and the opening end of the chute is communicated with the slideway; the sensing piece 151 is slidably disposed in the sliding slot, and it can be understood that the sensing piece 151 can move along the axial direction of the mounting hole, that is, the sliding direction of the sensing piece 151 is perpendicular to the sliding direction of the buffer piece 132; when the blocking piece 131 is located at the opening position for communicating the oil inlet cavity with the oil outlet cavity, the sensing piece 131 is located above the buffer piece 132, so that when the buffer piece 132 is under a large pressure, the buffer piece 132 moves upwards and pushes the sensing piece 151, and the sensing piece 151 moves away from the axis direction of the central hole.

The driving arm 152 may be a rigid rod having a certain arc, and one end of the driving arm 152 is hinged to the sensing plate 151 so as to be moved by the sensing plate 131, so that the driving arm 152 swings within a certain range along with the movement of the sensing plate 131; the other end of the transmission arm 152 is hinged to the blocking piece 131, optionally, a protrusion can be arranged on one side of the blocking piece facing the transmission arm, a shaft hole matched with the protrusion can be formed in the transmission arm 152, and the shaft hole of the transmission arm 152 is sleeved on the protrusion of the blocking piece, so that the blocking piece 131 is driven to switch between a flow channel for switching on and off the oil inlet cavity and the oil outlet cavity through the swinging of the transmission arm 152.

The first spring 161 may be a telescopic spring, the first spring 161 is installed on the valve body 110, optionally, a first end of the first spring 161 is fixedly connected to the valve body 110, a second end of the first spring 161 extends towards the movement direction of the blocking plate 131, and a second end of the first spring 161 may be fixedly connected to the blocking plate 131, so as to block or communicate the oil inlet chamber and the oil outlet chamber.

With the pipe fitting connecting valve 100 provided in this embodiment, when the pressure of the fluid in the oil inlet chamber is greater than the preset value, the fluid in the oil inlet chamber pushes the buffer sheet 132 to move upward in the mounting hole of the valve body 110, the buffer sheet 132 pushes the sensor sheet 151 to move outward away from the central axis of the mounting hole, the sensor sheet 151 moves along the chute in the direction away from the axis of the central hole, the sensor sheet 151 drives the blocking sheet 131 to move in the direction blocking the oil inlet chamber and the oil outlet chamber through the transmission arm 152, as indicated by arrow a in fig. 2, the blocking sheet 131 blocks the flow passage between the oil inlet chamber and the oil outlet chamber, and the movement of the blocking sheet 131 makes the first spring 161 in the stretched state; when the pressure of the fluid in the oil inlet chamber is smaller than the preset value, the buffer plate 132 no longer receives the pressure of the fluid, the buffer plate 132 moves downward, the sensing plate 151 moves toward the axis of the central hole, the transmission arm 152 hinged to the sensing plate 151 drives the blocking plate 131 to move toward the direction of communicating the oil inlet chamber and the oil outlet chamber, as indicated by arrow B in fig. 2, and meanwhile, the first spring 161 is restored under the action of the elastic potential energy thereof and drives the blocking plate 131 to move to the open position.

In the pipe fitting connecting valve 100 provided in this embodiment, by providing the sliding groove in the mounting hole of the valve body 110, by providing the transmission assembly including the sensor blade 151 and the transmission arm 152, by disposing the sensor blade 151 in the sliding groove, by hinging the transmission arm 152 with the sensor blade 151 and the blocking blade 131, and by providing the first spring 161 connected to the blocking blade 131, when the pressure of the fluid in the oil inlet chamber is greater than the preset value, the buffer blade 132 pushes the sensor blade 151 to slide outward, so that the sensor blade 151 drives the blocking blade 131 to move to the blocking position through the transmission arm 152 to block the oil inlet chamber and the oil outlet chamber; when the pressure of the fluid in the oil inlet chamber is smaller than a preset value, the buffer plate 132 moves downwards, so that the blocking plate 131 drives the sensing plate 151 to slide inwards through the transmission arm 152, and the first spring 161 exerts resilience force on the blocking plate 131, so that the blocking plate 131 moves to an open position; the automatic control of the on-off of the fluid in the pipe fitting connecting valve 100 is realized, and the pipe explosion phenomenon caused by overlarge pressure in the oil inlet cavity is avoided.

Further, the pipe connection valve 100 further includes: the flat pressing connecting end 170 is connected with the valve body 110, and the flat pressing connecting end 170 is provided with a central hole which is communicated with the mounting hole; a flat pressing end 180, a lower end of the flat pressing end 180 being disposed in the central hole, and a lower end of the flat pressing end 180 being connected to the buffer sheet 132 through a second spring; the rotating disc 190, the rotating disc 190 is rotatably installed at the flat pressing connection end 170, and the rotating disc 190 is in threaded connection with the flat pressing end 180, so that the flat pressing end 180 and the buffer sheet 132 are driven to slide by the rotation of the rotating disc 190.

Alternatively, the flat compression connection end 170 may be a cylinder, such as a hexagonal, circular, or square cross-section; the flat pressing connection end 170 is installed on the valve body 110, and the flat pressing connection end 170 may be installed at the upper end of the valve body 110 by welding.

The flat compression connection end 170 has a central bore that extends through the flat compression connection end 170. as can be appreciated, the flat compression connection end 170 has an upper end wall and a lower end wall, the lower end wall of which is connected to the upper end of the valve body 110, the upper end wall extends upwardly away from the lower end wall, the central bore extends through the upper end wall and the lower end wall of the flat compression connection end 170, and the central bore is in communication with the mounting bore on the valve body 110.

The flat pressing end 180 may be a cylinder, and the middle of the flat pressing end 180 is provided with an external thread to facilitate connection with the rotating disk 190; the lower extreme cover of concora crush end 180 is located in the centre bore of concora crush link end 170, and the lower extreme of concora crush end passes through the second spring and links to each other with buffer plate 132, for example, the upper end of second spring can link to each other with the lower extreme fixed connection of concora crush end 180, and the lower extreme of second spring can link to each other with the upper end of buffer plate 132, and it can be understood that buffer plate 132 is the platelike body in this embodiment, and buffer plate 132 is the circular platelike body with the mounting hole looks adaptation of valve body 110.

The rotating disc 190 may be a circular disc body, and an internal thread is provided on the rotating disc 190; the rotating disc 190 is mounted on the flat pressing connection end 170, and the rotating disc 190 can rotate relative to the flat pressing connection end 170, optionally, a groove is formed on the upper end wall of the flat pressing connection end 170, and a protrusion matched with the groove on the upper end wall of the flat pressing connection end 170 is arranged at the lower end of the rotating disc 190, so that the rotating disc 190 can rotate relative to the flat pressing connection end 170, and the rotating disc 190 cannot fall off from the flat pressing connection end 170.

The external thread on the flat pressing end 180 is matched with the internal thread on the rotating disc 190, and it can be understood that the lower end of the flat pressing end 180 passes through the internal thread of the rotating disc 190 and then is connected with the buffer sheet 132, and the external thread in the middle of the flat pressing end 180 is in threaded connection with the rotating disc 190, so that the flat pressing end 180 and the buffer sheet 132 are driven to slide up and down through the rotation of the rotating disc 190.

Optionally, the outer circumference of the rotating disc 190 may be provided with teeth so as to increase the friction between the operator and the rotating disc 190, and further facilitate the operator to operate the rotating disc 190.

By adopting the pipe fitting connecting valve 100 provided by the embodiment, when the pressure of the oil inlet cavity is greater than the preset value, an operator can manually and forwardly adjust the rotating disc 190, the rotating disc 190 rotates, the rotating disc 190 is in threaded connection with the flat pressing end 180, the flat pressing end 180 rotates and slides upwards due to the rotation of the rotating disc 190, the buffer sheet connected with the lower end of the flat pressing end rotates and slides upwards, the transmission assembly acts, the oil inlet cavity is disconnected from the oil outlet cavity by the blocking sheet 131, and the pressure in the oil inlet cavity is balanced due to the upward sliding of the buffer sheet; when the pressure of the oil inlet cavity is smaller than the preset value, an operator can manually and reversely adjust the rotating disc 190, the rotating disc 190 reversely rotates, the flat pressing disc 180 rotates and slides downwards, the buffer sheet connected with the lower end of the flat pressing end rotates and slides downwards to the initial position, the transmission assembly acts, and the blocking sheet 131 moves to the position where the oil inlet cavity and the oil outlet cavity are communicated. The initial position of the buffer sheet refers to the position when the pressure in the oil inlet cavity is normal and the oil inlet cavity is communicated with the oil outlet cavity.

According to the pipe fitting connecting valve 100 provided by the embodiment, the flat pressing connecting end 170, the flat pressing end 180 and the rotating disc 190 are arranged on the valve body 110, the rotation direction of the rotating disc 190 is manually controlled, so that the pressure of fluid in the oil inlet cavity is conveniently controlled, manual and automatic control over the pressure in the pipe fitting connecting valve 100 is realized, and the conduction and disconnection efficiency of the oil inlet cavity and the oil outlet cavity in the pipe fitting connecting valve 100 is improved.

Optionally, the outlet of the oil inlet cavity facing the oil outlet cavity is located above the inlet of the oil outlet cavity facing the oil inlet cavity, the outlet of the oil inlet cavity facing the oil outlet cavity can be arc-shaped, the inlet of the oil outlet cavity facing the oil inlet cavity can be arc-shaped, and the oil inlet cavity is located above the oil outlet cavity, so that the oil backflow phenomenon is prevented; because the oil inlet cavity is positioned at the upper end of the oil outlet cavity, the oil is ensured to flow from a high position to a low position, the oil in the oil outlet cavity is prevented from flowing back to the oil inlet cavity, and the problem of oil backflow is solved.

Optionally, the flow channel at the oil outlet of the oil outlet end 112 and the flow channel at the oil inlet of the oil inlet end 111 may be located on the same straight line, so as to achieve stability of oil transportation, and avoid a change in oil transportation rate due to a large height difference between the flow channels at both sides, thereby affecting normal transportation of oil.

Further, a flow vane 141 is provided in the oil inlet chamber, and a flow meter 151 is connected to the flow vane 141 to measure the flow rate in the oil inlet chamber.

Optionally, the flow vane 141 may be an arc-shaped sheet, one end of the flow vane 141 is mounted on the mounting shaft, and the other end of the flow vane 141 extends outward away from the mounting shaft, so that the flow vane 141 is rotated by the fluid in the oil inlet chamber.

The valve wall of the oil inlet cavity side of the valve body 110 is provided with a shaft hole, the first end of the mounting shaft is matched with the shaft hole on the valve body 110, the other end of the mounting shaft penetrates through the shaft hole to be connected with the flow meter 151, and optionally, a bearing is arranged in the shaft hole and is in sealing fit with the shaft hole to ensure the sealing property in the oil inlet cavity.

The flowmeter 151 is installed on the outer wall of the valve body 110, and the installation shaft can be provided with a plurality of gears, it can be understood that the installation shaft connected with the flowmeter 151 can be provided with a plurality of gears, the plurality of gears are engaged with each other, and the last gear in the plurality of gears is matched with the pointer on the flowmeter 151, so that the pointer on the flowmeter 151 is driven to rotate through the transmission of the plurality of gears, and the detection of the fluid flow in the oil inlet cavity is realized.

By adopting the pipe fitting connecting valve 110 provided by the embodiment, when fluid enters the oil inlet cavity, the fluid flows through the flow vane 141, and the flow vane 141 is stirred to rotate, the mounting shaft connected with the flow vane 141 rotates and drives the gear mounted on the mounting shaft to rotate, so that the multi-stage gear rotates, and the pointer on the flow meter 151 matched with the multi-stage gear rotates to realize the detection of the fluid flow in the oil inlet cavity.

The pipe connecting valve 110 provided by the embodiment is characterized in that the flow vane 141 is installed inside the oil inlet cavity, the flow meter 142 is installed on the valve body 110, the flow vane 141 is connected with the flow meter 142, and the flow vane 141 and the flow meter 142 are matched with each other, so that the oil inside the oil inlet cavity can be conveniently measured, and meanwhile, the oil flow can be monitored.

In another aspect, an embodiment of the present application provides an oil transportation apparatus, including: a first transfer pipe, a second transfer pipe, and a pipe joint valve 100 as in any one of the above embodiments, wherein one end of the pipe joint valve 100 is connected to the first transfer pipe, and the other end of the pipe joint valve 100 is connected to the second transfer pipe.

Optionally, the first transfer pipe may be connected to a production string for oil, so as to transfer oil from the production string outwards; the second transmission pipe fitting is used for conveying the petroleum in the first transmission pipe fitting to a position to be stored; the pipe joint valve 100 is connected to the first transfer pipe and the second transfer pipe through the oil inlet end 111 and the oil outlet end 112 thereof, respectively.

Optionally, a sealing sheet 113 is arranged at an inlet of the oil inlet end 111 of the valve body 110, and the sealing sheet 113 may be a long arc sheet so as to be adapted to the arc of the oil inlet end 111; a first end of the sealing sheet 113 is connected to an inner wall of the oil inlet end 111, and a second end of the sealing sheet 113 extends in a direction away from an inlet of the oil inlet end.

The oil inlet end 111 can be provided with three sealing sheets 113, and the three sealing sheets 113 are uniformly distributed on the inner wall of the oil inlet end 111 of the valve body 110 so as to be connected with the first transmission pipe fitting.

Optionally, a sealing sheet 113 is arranged at an outlet of the oil outlet end 112 of the valve body 110, and the sealing sheet 113 may be a long arc sheet so as to be adapted to the arc of the oil outlet end 112; a first end of the sealing plate 113 is connected to an inner wall of the oil outlet end 112, and a second end of the sealing plate 113 extends in a direction away from an outlet of the oil outlet end 112.

The oil outlet end 112 can be provided with three sealing plates 113, and the three sealing plates 113 are uniformly distributed on the inner wall of the oil outlet end 112 of the valve body 110 so as to be connected with the second conveying pipe.

Adopt the oil recovery equipment that this embodiment provided, when needs link to each other first transmission pipe fitting and second transmission pipe fitting, the oil outlet 112 of valve body 110 links to each other with the second transmission pipe fitting earlier, take out the inside air of pipe fitting junction valve 100 again, then be connected to first transmission pipe fitting through gasket 113 with oil inlet 111, at this moment, oil outlet 112 and oil inlet 111 respectively through gasket 113 and second transmission pipe fitting, first transmission pipe fitting sealing connection, open the by mechanism of pipe fitting junction valve 100, the oil is transmitted to second transmission pipe fitting through pipe fitting junction valve 100 by first transmission pipe fitting.

The adoption equipment that this embodiment provided, through connecting pipe fitting junction valve 100 between first transmission pipe fitting and second transmission pipe fitting to in the transport of passing through pipe fitting junction valve 100 control oil, simultaneously, set up the gasket between first transmission pipe fitting and pipe fitting junction valve 100, set up gasket 113 between second transmission pipe fitting and pipe fitting junction valve 100, guaranteed the sealing performance between pipe fitting and the pipe fitting junction valve 100, be convenient for improve the stability among the oil transportation process moreover.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be appreciated that although the present disclosure has shown several embodiments, those skilled in the art will appreciate that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.