Pressure zero returning device for high-precision pressure control

Abstract

The utility model provides a pressure zero returning device for high-precision pressure control, and relates to the technical field of pressure relief devices. A torsion groove is formed in the center control block; a rotating sleeve is rotationally connected into the torsion groove; the rotating sleeve is in threaded connection with a two-way joint; the two-way joint is connected with a retainer through a screw; the rotating sleeve is in threaded connection with a three-way joint; a machine fixing block is arranged at the top of the central control block; an electric telescopic rod of the machine fixing block is in threaded connection with a connecting block, and the connecting block is slidably connected into the machine fixing block. The connecting block is in threaded connection with a conversion block, and the conversion block is slidably connected into the center control block. The connecting block is in threaded connection with a lower plug block, and the lower plug block is slidably connected into the center control block. The pressure zero returning device solves the problem that an existing pressure zero returning device is inconvenient to use due to the fact that the existing pressure zero returning device is easy to damage due to overlarge pressure in a system due to time difference in manual control.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pressure relief device technical field, concretely relates to a pressure zero restorer device for high precision pressure control. BACKGROUND

[0002] The pressure zero restorer device is a device for restoring the pressure in a system to zero or an initial state; such a device is very useful in many industrial applications, particularly in systems where precise control of pressure is required, for the convenience of the pressure relief treatment of the equipment in industrial applications, and therefore a high-precision pressure control zero restorer is required.

[0003] The existing pressure zero restorer is usually divided into pneumatic and hydraulic, and in the use process, for the pressure relief treatment of the system, the system needs to be operated regularly to assist in completing the pressure relief treatment. Due to the time difference of manual operation, the system inside is easily damaged due to excessive pressure, which makes it inconvenient to use. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a pressure zero restorer device for high precision pressure control to solve the problem that the existing pressure zero restorer is damaged due to the time difference of manual operation, which makes it inconvenient to use.

[0005] The utility model adopts the following technical scheme to solve the technical problem: a pressure zero restorer device for high precision pressure control, comprising: a central control block; a real-time table is fixedly connected to the outer wall of the central control block, and the real-time table is connected with the pressure sensor in the central control block; a torsion groove is formed in the central control block; a rotating sleeve is rotatably connected in the torsion groove; a two-way connector is threadedly connected to the rotating sleeve; a retainer is connected to the two-way connector through a screw; a three-way connector is threadedly connected to the rotating sleeve; a fixed machine block is arranged on the top of the central control block; an electric telescopic rod of the fixed machine block is threadedly connected with a connecting block, and the connecting block is slidably connected in the inside of the fixed machine block; a conversion block is threadedly connected to the connecting block, and the conversion block is slidably connected in the inside of the central control block; a lower plug block is threadedly connected to the connecting block, and the lower plug block is slidably connected in the central control block; the torsion groove is a cylindrical recess, the torsion groove is connected with a circular hole, the torsion groove and the rectangular hole of the central control block are connected through the circular hole, and the torsion groove is provided with four groups; the conversion block is a cuboid structure, thread grooves are formed in the upper and lower sides of the conversion block, a plugging groove is formed in the conversion block, and a connecting groove is formed in the conversion block; the lower plug block is a rectangular block structure, a plugging groove is arranged on the top of the lower plug block, and a thread groove is formed in the top of the lower plug block.

[0006] Preferably, the middle control block is arranged as a rectangular block structure, a rectangular through hole is arranged in the middle control block, and a pressure sensor is arranged in the middle control block; and the real-time table is arranged as a table body structure.

[0007] Preferably, the rotating sleeve is arranged as a cylindrical structure, a circular ring-shaped protrusion is arranged on the outer wall of the rotating sleeve, threads are arranged on the inner wall of the rotating sleeve, and the rotating sleeve is provided with four groups.

[0008] Preferably, the two-way joint is arranged as a cylindrical pipe structure, threads are arranged on the outer wall of the two-way joint, and the two-way joint is provided with two groups; the retainer is arranged as a square plate structure, and a circular ring structure is arranged on the upper side and the lower side of the retainer.

[0009] Preferably, the three-way joint is arranged as a tee pipe, and threads are arranged at the end of the three-way joint.

[0010] Preferably, the fixed machine block is arranged as a rectangular block structure, an electric telescopic rod is arranged at the top of the fixed machine block, and a rectangular through hole is arranged at the middle position of the fixed machine block.

[0011] Preferably, the connecting block is arranged as a rectangular block structure, and thread protrusions are arranged on the upper side and the lower side of the connecting block.

[0012] The utility model relates to a pressure zero restorer device for high-precision pressure control has the beneficial effects as follows:

[0013] (1) the utility model discloses a pressure zero restorer device for high-precision pressure control sets up middle control block and torsion groove, through setting torsion groove in the inside of middle control block, it is convenient to form multiple delivery paths in the inside, to facilitate the butt joint of two-way joint, three-way joint under the action of rotating sleeve, to facilitate the delivery path is completed, and for switching the blockage and the on state of two groups of paths, conveniently realize the delivery and pressure relief process, to facilitate its use;

[0014] (2) the utility model discloses a pressure zero restorer device for high-precision pressure control sets up conversion block and lower plug block, and lower plug block and conversion block are connected through connecting block and are connected with the electric telescopic rod on fixed machine block, convenient under the control of electric telescopic rod drive conversion block and lower plug block telescopic adjustment, convenient control conversion block on the blockage groove and the on groove are connected, to the timely pressure relief treatment of the state of conversion block is switched to, to assist the accurate pressure relief of industrial system. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the three-dimensional assembly structure schematic diagram of the utility model discloses a pressure zero restorer device for high-precision pressure control;

[0016] Fig. 2It is the three-dimensional assembly bottom view structural schematic diagram of the pressure zero return device for high precision pressure control of the utility model.

[0017] Fig. 3 It is the exploded structural schematic diagram of the pressure zero return device for high precision pressure control of the utility model.

[0018] Fig. 4 It is the exploded bottom view structural schematic diagram of the pressure zero return device for high precision pressure control of the utility model.

[0019] Fig. 5 It is the local cutaway structural schematic diagram of the conveying state in the pressure zero return device for high precision pressure control of the utility model.

[0020] Fig. 6 It is the local cutaway structural schematic diagram of the pressure relief state in the pressure zero return device for high precision pressure control of the utility model.

[0021] In the drawing, the corresponding relationship of component name and drawing number is as follows:

[0022] 1, central control block, 2, real-time table, 3, torsion groove, 4, rotating sleeve, 5, two-way joint, 6, retainer, 7, three-way joint, 8, fixed machine block, 9, connecting block, 10, conversion block, 11, lower plug block. DETAILED DESCRIPTION

[0023] The embodiment of the utility model is further described in detail below in combination with the drawings and examples.

[0024] Example one: as attached Figs. 1-6As shown, the utility model provides a pressure zero return device for high accuracy pressure control, include: central control block 1, the outer wall of central control block 1 is fixed with real -time table 2, and real -time table 2 is connected with the pressure sensor in the inside of central control block 1, the inside of central control block 1 is provided with torsion groove 3, torsion groove 3 is rotatably connected with rotating sleeve 4, rotating sleeve 4 is connected with two -way joint 5, two -way joint 5 is connected with retainer 6 through screw, rotating sleeve 4 is connected with three -way joint 7, the top of central control block 1 is equipped with fixed machine block 8, the electric telescopic handle of fixed machine block 8 is connected with connecting block 9, and connecting block 9 is slidably connected in the inside of fixed machine block 8, connecting block 9 is connected with conversion block 10, and conversion block 10 is slidably connected in the inside of central control block 1, connecting block 9 is connected with lower plug block 11, and lower plug block 11 is slidably connected in central control block 1, torsion groove 3 is provided with cylindrical recess, torsion groove 3 is connected with round through -hole, and the rectangular through -hole of torsion groove 3 and central control block 1 are connected through round hole, and torsion groove 3 is equipped with four groups, and torsion groove 3 is used to connect with rotating sleeve 4 to assist its rotation adjustment, and it is convenient to butt joint processing through the rotation with two -way joint 5, three -way joint 7, to assist normal use of system, conversion block 10 is provided with cuboid structure, and the upper and lower sides of conversion block 10 are respectively provided with threaded recess, and conversion block 10 is provided with plugging groove, and conversion block 10 is provided with through groove, conversion block 10 is used to be driven under the electric telescopic handle and connecting block 9 in central control block 1 and is adjusted in extension, to facilitate the switching processing of the connection, pressure relief state of device, and it is convenient to use, lower plug block 11 is provided with rectangular block structure, and the top of lower plug block 11 is provided with plugging groove, and the top of lower plug block 11 is provided with threaded recess, lower plug block 11 is used to switch the connection, pressure relief state of device with conversion block 10, and it is convenient to use.

[0025] Example two: on the basis of example one, as shown in the accompanying Figs. 1-6As shown, the central control block 1 is arranged as a rectangular block structure, a rectangular through hole is arranged in the central control block 1, and a pressure sensor is arranged in the central control block 1; the central control block 1 is used for assisting in mounting and fixing other structures of the device to facilitate pressure relief processing; the real-time table 2 is arranged as a table body structure; the real-time table 2 is used for cooperating with the pressure sensor in the central control block 1 to monitor and process the industrial system to facilitate the implementation of pressure relief processing; the rotating sleeve 4 is arranged as a cylindrical sleeve structure, a circular ring-shaped protrusion is arranged on the outer wall of the rotating sleeve 4, threads are arranged on the inner wall of the rotating sleeve 4, and the rotating sleeve 4 is provided with four groups; the rotating sleeve 4 is used for being connected with the two-way joint 5 and the three-way joint 7 through threads in the rotating process to facilitate use; the two-way joint 5 is arranged as a cylindrical pipe structure, threads are arranged on the outer wall of the two-way joint 5, and the two-way joint 5 is provided with two groups; the two-way joint 5 is used for cooperating with the three-way joint 7 to connect the device into the industrial system equipment as a whole; the retainer 6 is arranged as a square plate structure, circular ring structures are arranged on the upper and lower sides of the retainer 6; the retainer 6 is used for keeping the stability between the two groups of two-way joints 5 to facilitate use; the three-way joint 7 is arranged as a tee pipe, threads are arranged at the end position of the three-way joint 7; the three-way joint 7 is used for cooperating with the two-way joint 5 to connect the device into the industrial system equipment as a whole; the fixed machine block 8 is arranged as a rectangular block structure, an electric telescopic rod is arranged at the top of the fixed machine block 8, and a rectangular through hole is arranged at the middle position of the fixed machine block 8; the fixed machine block 8 is used for assisting in fixing the electric telescopic rod to facilitate the adjustment processing of the conversion block 10 and the lower plug block 11; the connecting block 9 is arranged as a rectangular block structure, thread protrusions are arranged on the upper and lower sides of the connecting block 9; the connecting block 9 is used for assisting in connecting the conversion block 10 and the lower plug block 11 to facilitate the stability between the two.

[0026] The working principle and specific use mode of the pressure zero restorer device for high-precision pressure control are as follows:

[0027] In the pressure zero restorer device for high-precision pressure control, when assembling, the rotating sleeve 4 is adjusted by rotating to facilitate connection with the two-way joint 5 and the three-way joint 7 through threads in the rotating process, and the device is connected into the industrial system equipment as a whole in cooperation with the two-way joint 5 and the three-way joint 7; when using, the internal pressure is monitored and processed by the pressure sensor in the central control block 1, when the internal pressure of the device is too high, the pressure sensor sends a trigger signal to the external control hub, and the electric telescopic rod is controlled by the external control hub, so that the conversion block 10 and the lower plug block 11 are controlled to move downward, so that the normal path in the central control block 1 is blocked by the blocking groove, and the through hole is connected with the pressure relief path, to facilitate accurate pressure relief processing of the industrial system, and when the pressure is restored to normal, the pressure relief process is turned off by the pressure sensor in cooperation with the external control hub, to assist normal use.

Claims

1. A pressure zeroer device for high precision pressure control, comprising: The utility model provides a kind of central control block (1);Its characterized in that: the outer wall of the central control block (1) is fixed with real-time table (2), and real-time table (2) is connected with the pressure sensor inside central control block (1);The inside of the central control block (1) is provided with torsion groove (3);Rotary sleeve (4) is rotatably connected in the torsion groove (3);The rotary sleeve (4) is screw-connected with two-way joint (5);Two-way joint (5) is connected with retainer (6) by screw;The rotary sleeve (4) is screw-connected with three-way joint (7);The top of the central control block (1) is equipped with fixed machine block (8);The electric telescopic rod of the fixed machine block (8) is screw-connected with connecting block (9), and connecting block (9) is slidably connected inside fixed machine block (8);The connecting block (9) is screw-connected with conversion block (10), and conversion block (10) is slidably connected inside central control block (1);The connecting block (9) is screw-connected with lower plug block (11), and lower plug block (11) is slidably connected in central control block (1);The torsion groove (3) is provided as cylindrical recess, the torsion groove (3) is connected with circular through-hole, the rectangular through-hole of the torsion groove (3) and the rectangular through-hole of the central control block (1) are connected by circular hole, and the torsion groove (3) is provided with four groups;The conversion block (10) is provided as cuboid structure, and the upper and lower sides of the conversion block (10) are respectively provided with threaded recess, the conversion block (10) is provided with plugging groove, and the conversion block (10) is provided with connecting groove;The lower plug block (11) is provided as rectangular block structure, and the top of the lower plug block (11) is provided with plugging groove, and the top of the lower plug block (11) is provided with threaded recess.

2. A pressure zeroer device for high precision pressure control as claimed in claim 1, wherein: The central control block (1) is provided as rectangular block structure, and the inside of the central control block (1) is provided with rectangular through-hole, and the inside of the central control block (1) is provided with pressure sensor;The real-time table (2) is provided as table body structure.

3. A pressure zeroer device for high precision pressure control according to claim 1 or 2, characterized in that: The rotary sleeve (4) is provided as cylindrical structure, and the outer wall of the rotary sleeve (4) is provided with annular protrusion, the inner wall of the rotary sleeve (4) is provided with screw, and the rotary sleeve (4) is provided with four groups.

4. The pressure returner device for high precision pressure control according to claim 1 or 2, characterized in that: The two-way joint (5) is provided as cylindrical pipe structure, and the outer wall of the two-way joint (5) is provided with screw, and the two-way joint (5) is provided with two groups;The retainer (6) is provided as square plate structure, and the upper and lower sides of the retainer (6) are respectively provided with annular structure.

5. The pressure returner device for high precision pressure control according to claim 1 or 2, characterized in that: The three-way joint (7) is provided as tee, and the end position of the three-way joint (7) is provided with screw.

6. The pressure return-to-zero device for high precision pressure control according to claim 1 or 2, characterized in that: The fixed machine block (8) is provided as rectangular block structure, and the top of the fixed machine block (8) is provided with electric telescopic rod, and the middle position of the fixed machine block (8) is provided with rectangular through-hole.

7. The pressure return-to-zero device for high precision pressure control according to claim 1 or 2, characterized in that: The connecting block (9) is provided as rectangular block structure, and the upper and lower sides of the connecting block (9) are respectively provided with threaded protrusion.

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