Floating ball valve with pressure detection function

Abstract

The utility model belongs to the technical field of valves, particularly relates to a floating ball valve with a pressure detection function, and aims to solve the problems that a related pressure detection device is not arranged in the conventional American-standard floating ball valve, so that a valve core in the American-standard floating ball valve deviates in a valve body under the condition of higher pressure in actual use of the American-standard floating ball valve, and the service life of the American-standard floating ball valve is influenced. According to the technical scheme, the valve comprises a valve body, the valve element is rotationally connected into the valve body in a sealed mode, a valve hole is formed in the valve element, a valve sleeve is tightly and fixedly installed on the top of the valve body through a bolt, and a valve rod is fixedly connected to the top of the valve element through a pin shaft; after the valve body is closed, the pressure in the valve body can be detected, and when the pressure is too large, the pressure of the valve body can be relieved in time, so that the valve element can be protected, and the problem that the position of the valve element deviates due to the too large pressure in the using process is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field especially, relates to a floating ball valve with pressure detection. BACKGROUND

[0002] The American standard floating valve is a kind of valve frequently used in liquid or gas pipeline system, for controlling fluid flow or pressure.Its design follows American National Standard (ANSI), with compact structure, easy operation, good sealing performance and other characteristics;

[0003] The valve core of the American standard floating ball valve is in suspension state in the valve body, it often needs to bear certain fluid pressure after closing, but the valve core itself does not have stable supporting property, and the American standard floating ball valve also does not set relevant pressure detection device, causing the American standard floating ball valve to cause the position deviation of the valve core in the valve body in the case of larger pressure in actual use, cause the problem that the valve core cannot realize complete sealing with the inside of valve body, so we propose a floating ball valve with pressure detection to solve the above problems. CONTENT OF UTILITY MODEL

[0004] The utility model discloses a floating ball valve with pressure detection to solve the problem that the American standard floating ball valve does not set relevant pressure detection device in the prior art, causing the American standard floating ball valve to cause the position deviation of the valve core in the valve body in the case of larger pressure in actual use, cause the problem that the valve core cannot realize complete sealing with the inside of valve body.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A floating ball valve with pressure detection, including the valve body, the valve core is sealingly rotatably connected in the valve body, the valve core is opened on the valve hole, the valve sleeve pipe is tightly fixed and installed on the top of the valve body through bolt, the top of the valve core is fixedly connected with the valve rod through the pin shaft, the top of the valve rod penetrates the valve sleeve pipe and extends to the upper side of the valve sleeve pipe, the valve rod is tightly rotatably connected with the inner wall of the valve sleeve pipe, the handle located above the valve sleeve pipe is fixedly sleeved on the valve rod, and the floating ball valve further includes:

[0007] The mounting cover is welded on the inner wall of one side of the valve body, and the one side of the mounting cover extends to the outside of the valve body.

[0008] The pressure measuring mechanism is arranged in the mounting cover, and the pressure measuring mechanism is used for detecting the pressure in the valve body.

[0009] The pressure relief mechanism is connected with the pressure measuring mechanism, the bottom of the pressure relief mechanism penetrates the bottom inner wall of the mounting cover and extends to the lower side of the mounting cover, is used for relieving the pressure in the valve body, to prevent the valve core from being damaged due to excessive pressure.

[0010] In a possible design, the pressure measuring mechanism comprises an inner liner tube fixedly installed in the installation cover, a piston plate tightly and slidably connected in the inner liner tube, and a pressure relief mechanism penetrating through and connected with the piston plate.

[0011] In a possible design, the piston plate is provided with an annular groove, and a sealing ring is fixedly embedded in the annular groove, with the outer side of the sealing ring being tightly and slidably connected with the inner wall of the inner liner tube.

[0012] In a possible design, the test assembly comprises a mounting rod welded to the inner wall of one side of the installation cover, a mounting box welded to one end of the mounting rod, a pressure sensor bonded to the inner wall of one side of the mounting box, a pressing plate slidably connected in the mounting box and used for applying pressure to the pressure sensor, a pressing rod welded to one side of the pressing plate, and one end of the pressing rod extending into the inner liner tube and welded to one end of the threaded column.

[0013] In a possible design, the mounting box is fixedly sleeved with a support frame by welding, and the support frame is welded to the inner wall of the installation cover.

[0014] In a possible design, the pressure relief mechanism comprises a telescopic pipe assembly penetrating through and connected with the piston plate, the bottom end of the telescopic pipe assembly penetrating through the bottom inner wall of the installation cover and extending below the installation cover, and the telescopic pipe assembly is provided with an electromagnetic valve, which is electrically connected with the pressure sensor through a processor.

[0015] In a possible design, the telescopic pipe assembly comprises a support pipe penetrating through and welded to the piston plate, a bend pipe tightly and slidably connected in the support pipe, the bottom end of the bend pipe penetrating through the bottom inner wall of the installation cover and extending below the installation cover, the bend pipe being welded to the bottom inner wall of the installation cover, and the electromagnetic valve is fixedly installed in the support pipe by bonding.

[0016] In the technical solution, after the two ends of the valve body are connected with two groups of pipelines for conveying materials respectively, the valve body can convey liquid materials or gas materials, and in the technical solution, the bottom of the valve core is not connected with the valve body, but is only rotationally connected with the valve body through the valve rod, so that the valve core can be rotated by rotating the handle, thereby achieving opening or closing of the floating ball valve, when the valve core is rotated to the position of closing the valve body, the pressure of the inlet end of the valve body increases, and the pressure can be applied to the valve core and the piston plate respectively, the piston plate can move under the pressure, the pressure plate can apply pressure to the pressure sensor, thereby the pressure sensor can detect the pressure in the valve body, when the pressure in the valve body is too large, the processor can send a working instruction to the electromagnetic valve to make the electromagnetic valve in an open state, and the telescopic structure formed by the support pipe and the elbow pipe can not affect the normal movement of the piston plate when the support pipe is connected with the piston plate, and when the electromagnetic valve is in the open state, the valve body can be relieved of pressure under the conveying of the support pipe and the elbow pipe, thereby the valve core can be protected from damage caused by excessive pressure during use.

[0017] Beneficial effects: In the floating ball valve with pressure detection, when the valve body is closed, the pressure of the inlet end of the valve body increases, the pressure can be applied to the valve core and the piston plate respectively, and the piston plate can apply pressure to the test assembly, thereby the test assembly can detect the pressure in the valve body.

[0018] In the floating ball valve with pressure detection, when the pressure in the valve body is too large during testing by the pressure sensor, the processor can send a working instruction to the electromagnetic valve to make the electromagnetic valve in an open state, thereby relieving the pressure in the valve body.

[0019] The valve body can be closed, the pressure in the valve body can be detected, and when the pressure is too large, the valve body can be relieved of pressure in time, thereby protecting the valve core and avoiding the problem of position deviation of the valve core caused by excessive pressure during use. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The utility model provides a kind of main view angle sectional structure schematic diagram of floating ball valve with pressure detection proposed by the utility model;

[0021] Figure 2A three-dimensional schematic view of a valve body and mounting cover connection structure of the floating ball valve with pressure detection is provided in the utility model.

[0022] Figure 3 A mounting cover cross-section structure schematic view of the floating ball valve with pressure detection is provided in the utility model.

[0023] Figure 4 A three-dimensional schematic view of a piston plate and pressure rod separation structure of the floating ball valve with pressure detection is provided in the utility model.

[0024] In the figure: 1, valve body; 2, valve core; 3, valve sleeve; 4, valve rod; 5, handle; 6, mounting cover; 7, inner lining pipe; 8, mounting rod; 9, mounting box; 91, support frame; 10, pressure rod; 11, pressure plate; 12, pressure sensor; 13, piston plate; 14, sealing ring; 15, threaded interface; 16, threaded column; 17, support pipe; 18, elbow; 19, electromagnetic valve. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] Embodiment 1: refer to Figures 1-4 A ball valve, including valve body 1, the inside sealing rotation connection of valve body 1 has valve core 2, is set with valve hole on valve core 2, is used for controlling the passage or cut-off of fluid. In the top of valve body 1, the valve sleeve 3 of tightly fixed installation is set up through bolt, ensures the connection between valve sleeve 3 and valve body 1 is stable and sealed. The top of valve core 2 is fixedly connected with valve rod 4 through pin shaft, the top of valve rod 4 penetrates valve sleeve 3 and extends to the upper of valve sleeve 3, and valve rod 4 is tightly rotationally connected with the inner wall of valve sleeve 3 to ensure the stability and sealing property of valve rod 4 in the rotating process. The handle 5 located above valve sleeve 3 is fixedly sleeved on valve rod 4, and the handle 5 can drive valve rod 4 to rotate by operation, and then the opening and closing of valve core 2 are controlled.

[0027] The floating ball valve further includes the mounting cover 6 welded on the inner wall of one side of the valve body 1, and one side of the mounting cover 6 extends to the outside of the valve body 1 to provide installation space for the subsequent pressure measuring mechanism and pressure relief mechanism.

[0028] The pressure measuring mechanism is arranged in the mounting cover 6 and is used for detecting the pressure in the valve body 1. The pressure measuring mechanism comprises an inner liner 7 fixedly arranged in the mounting cover 6, and a piston plate 13 tightly and slidably connected in the inner liner 7. An annular groove is formed in the piston plate 13, and a sealing ring 14 is fixedly embedded in the annular groove. The outer side of the sealing ring 14 is tightly and slidably connected with the inner wall of the inner liner 7, so as to ensure the sealing property of the piston plate 13 during movement. A pressure relief mechanism penetrates through and is connected with the piston plate 13. One side of the piston plate 13 is welded with a threaded interface 15, the threaded interface 15 is threadedly connected with a threaded column 16, one end of the threaded column 16 extends into the inner liner 7 and is connected with a test assembly, and one side of the test assembly extends into the mounting cover 6 and is connected with the inner wall of one side of the mounting cover 6.

[0029] The test assembly comprises a mounting rod 8 welded on the inner wall of one side of the mounting cover 6, and one end of the mounting rod 8 is welded with a mounting box 9. The mounting box 9 is fixedly sleeved with a support frame 91 through welding, and the support frame 91 is welded with the inner wall of the mounting cover 6, so as to ensure the stability of the mounting box 9. A pressure sensor 12 is bonded on the inner wall of one side of the mounting box 9, and a pressing plate 11 is slidably connected in the mounting box 9. The pressing plate 11 is used for applying pressure to the pressure sensor 12, and one side of the pressing plate 11 is welded with a pressing rod 10. One end of the pressing rod 10 extends into the inner liner 7 and is welded with one end of the threaded column 16. When the valve body 1 is in the closed state, the pressure of the feeding end of the valve body 1 will increase. At this time, pressure can be applied to the valve core 2 and the piston plate 13 respectively. After the piston plate 13 is subjected to pressure, pressure can be applied to the pressing rod 10, and then pressure can be applied to the pressure sensor 12 through the pressing plate 11. Therefore, the pressure in the valve body 1 can be detected by using the pressure sensor 12.

[0030] The pressure relief mechanism is connected with the pressure measuring mechanism and is used for relieving the pressure in the valve body 1, so as to prevent the valve core 2 from being damaged due to excessive pressure. The pressure relief mechanism comprises an extension tube assembly, the extension tube assembly penetrates through and is connected with the piston plate 13, and the bottom end of the extension tube assembly penetrates through the bottom inner wall of the mounting cover 6 and extends below the mounting cover 6. The extension tube assembly is arranged with an electromagnetic valve 19, and the electromagnetic valve 19 is electrically connected with the pressure sensor 12 through a processor. When the pressure in the valve body 1 is tested by using the pressure sensor 12, if the pressure in the valve body 1 is too large, the processor can send a working instruction to the electromagnetic valve 19, so that the electromagnetic valve 19 is in an open state, thereby relieving the pressure in the valve body 1.

[0031] The present application can be used in the field of valve technology, and can also be used in other fields applicable to the present application.

[0032] Embodiment 2: Reference Figure 3On the basis of embodiment one, improve: a floating ball valve with pressure detection, which is applied to the valve technical field, telescopic pipe assembly includes support pipe 17 through the piston plate 13 and is welded with piston plate 13, support pipe 17 is closely slidably connected with elbow pipe 18, the bottom end of elbow pipe 18 is through the bottom inner wall of mounting cover 6 and extends to the below of mounting cover 6, elbow pipe 18 is welded with the bottom inner wall of mounting cover 6, electromagnetic valve 19 is fixedly installed in support pipe 17 by the way of bonding.The telescopic structure of support pipe 17 and elbow pipe 18, when support pipe 17 is connected with piston plate 13, will not affect the normal movement of piston plate 13, and when electromagnetic valve 19 is opened, it can realize pressure relief in valve body 1 under the delivery of support pipe 17 and elbow pipe 18.

[0033] However, as the skilled person in the art is familiar with, the working principle and wiring method of pressure sensor 12, electromagnetic valve 19 and processor are common, which all belong to conventional means or common general knowledge, and will not be repeated here, and the skilled person can make any selection according to the needs or convenience.

[0034] The drawings in the specification of the present application are only of the nature of illustration, and the size and shape of each component shown are not actual limits, but only a kind of illustrative representation. In the actual implementation process, each component can be reasonably configured and adjusted according to specific needs and actual conditions.

[0035] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A floating ball valve with pressure detection, comprising a valve body (1), a valve core (2) is sealingly connected in rotation in the valve body (1), and a valve hole is formed in the valve core (2), characterized in that, The valve sleeve (3) is tightly fixed and installed on the top of the valve body (1) by bolts, the top of the valve core (2) is fixedly connected with the valve rod (4) through a pin shaft, the top end of the valve rod (4) penetrates through the valve sleeve (3) and extends above the valve sleeve (3), the valve rod (4) is tightly rotatably connected with the inner wall of the valve sleeve (3), a handle (5) is fixedly sleeved on the valve rod (4) above the valve sleeve (3), and the floating ball valve further comprises: The mounting cover (6) is welded on the inner wall of one side of the valve body (1), and the mounting cover (6) extends to the outside of the valve body (1); The pressure measuring mechanism is arranged in the mounting cover (6) and is used for detecting the pressure in the valve body (1); The pressure relief mechanism is connected with the pressure measuring mechanism, the bottom of the pressure relief mechanism penetrates through the bottom inner wall of the mounting cover (6) and extends below the mounting cover (6), and is used for relieving the pressure in the valve body (1) to prevent the valve core (2) from being damaged due to excessive pressure.

2. The floating ball valve with pressure detection according to claim 1, characterized in that, The pressure measuring mechanism comprises an inner lining pipe (7) fixedly installed in the mounting cover (6), the inner lining pipe (7) is tightly and slidably connected with a piston plate (13), the pressure relief mechanism penetrates through the piston plate (13) and is connected with the piston plate (13), one side of the piston plate (13) is welded with a threaded connector (15), the threaded connector (15) is threadedly connected with a threaded column (16), one end of the threaded column (16) extends into the inner lining pipe (7) and is connected with a test assembly, and one side of the test assembly extends into the mounting cover (6) and is connected with the inner wall of one side of the mounting cover (6).

3. The floating ball valve with pressure detection according to claim 2, characterized in that, An annular groove is formed in the piston plate (13), and a sealing ring (14) is fixedly embedded in the annular groove, and the outer side of the sealing ring (14) is tightly and slidably connected with the inner wall of the inner lining pipe (7).

4. A floating ball valve with pressure detection according to claim 2 or 3, characterized in that The test assembly comprises a mounting rod (8) welded on the inner wall of one side of the mounting cover (6), one end of the mounting rod (8) is welded with a mounting box (9), a pressure sensor (12) is bonded on the inner wall of one side of the mounting box (9), a pressing plate (11) is slidably connected in the mounting box (9), the pressing plate (11) is used for applying pressure to the pressure sensor (12), a pressing rod (10) is welded on one side of the pressing plate (11), and one end of the pressing rod (10) extends into the inner lining pipe (7) and is welded with one end of the threaded column (16).

5. The floating ball valve with pressure detection according to claim 4, characterized in that, The mounting box (9) is fixedly sleeved with a support frame (91) by welding, and the support frame (91) is welded with the inner wall of the mounting cover (6).

6. The floating ball valve with pressure detection according to claim 1, characterized in that, The pressure relief mechanism comprises a telescopic pipe assembly, the telescopic pipe assembly penetrates through the piston plate (13) and is connected with the piston plate (13), the bottom end of the telescopic pipe assembly penetrates through the bottom inner wall of the mounting cover (6) and extends below the mounting cover (6), an electromagnetic valve (19) is arranged in the telescopic pipe assembly, and the electromagnetic valve (19) is electrically connected with the pressure sensor (12) through a processor.

7. The floating ball valve with pressure detection according to claim 6, characterized in that, The telescopic pipe assembly comprises a supporting pipe (17) penetrating through the piston plate (13) and welded with the piston plate (13), a bend pipe (18) being tightly and slidably connected in the supporting pipe (17), the bottom end of the bend pipe (18) penetrating through the bottom inner wall of the mounting cover (6) and extending below the mounting cover (6), the bend pipe (18) being welded with the bottom inner wall of the mounting cover (6), and the electromagnetic valve (19) being fixedly installed in the supporting pipe (17) by means of adhesion.

Images