Screw valve leakage monitoring structure

Abstract

The utility model discloses a screw valve leakage monitoring structure, which relates to the technical field of screw valves, and comprises a screw valve body, an ultrasonic sensor and a protective shell, the inner wall of the protective shell is fixedly connected with a one-way direct current motor, and an output rotating shaft of the one-way direct current motor is fixedly connected with a plane gear; teeth on the outer circumferential face of the face gear are meshed with teeth on one side of an L-shaped toothed plate, the other side of the L-shaped toothed plate is fixedly connected with a guide single rod, the outer circumferential face of the guide single rod is fixedly connected with a linkage supporting plate, and one end of the linkage supporting plate is fixedly connected with a U-shaped position control sliding block. Through the arrangement of the screw valve body, the ultrasonic sensor, the protective shell, the one-way direct current motor, a face gear, an L-shaped toothed plate, a guide single rod, a linkage supporting plate, a U-shaped position control sliding block, an installation anti-skid clamp, a first position control rail, an I-shaped placement plate and a second position control rail, the screw valve can effectively have the leakage monitoring effect; and the monitoring structure can be conveniently disassembled and assembled according to specific demand conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of screw valve, concretely is screw valve leakage monitoring structure. BACKGROUND

[0002] Screw valve is a kind of device that is formed by the interaction of screw and stator, forms sealed cavity, and utilizes the rotation of screw to push fluid forward. It is mainly used in glue dispensing process, and is particularly suitable for precise control of medium-high viscosity fluid.

[0003] Through the retrieval, the China patent with the announcement number CN213529417U discloses a kind of screw valve, connecting shaft is arranged in deep groove ball bearing, and utilize fixed nut and deep groove ball bearing connection fixed, deep groove ball bearing is fixed on valve body seat using bearing end cap, screw is set in valve body using upper seal pad and lower seal pad movable seal, valve body is fixed in valve body seat, glue outlet adapter is inserted and fixed on the end head of valve body, and needle seat is set on glue outlet adapter, and fixed on the end head of valve body;Valve body seat is fixed with glue supply assembly using adapter plate, glue supply assembly is connected with glue inlet connecting piece on glue outlet, and glue outlet of glue inlet connecting piece is connected with valve body through hole.It is convenient to disassemble and clean maintenance, good universality, and low use cost.

[0004] Through the retrieval, the China patent with the announcement number CN221035264U discloses a kind of screw valve, including valve body assembly, driving piece and transmission shaft, driving piece has output shaft;Transmission shaft one end has coaxially arranged mounting hole, the output shaft is inserted into the mounting hole, the other end of the transmission shaft is connected with the valve body assembly, the driving piece drives the transmission shaft to rotate to drive the valve body assembly to work.The screw valve provided by the utility model, the connection between transmission shaft and output shaft cancels the coupling setting, shortens the overall length, makes the structure of whole screw valve more compact, improves transmission efficiency.

[0005] Although the above-mentioned scheme can improve transmission efficiency, the screw valve in the above-mentioned patent does not have the effect of monitoring leakage, and when the screw valve is used for a long time, the components will inevitably separate slightly, which can easily cause liquid leakage. To solve the above problems, we provide a screw valve leakage monitoring structure. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing screw valve leakage monitoring structure to solve the problems in the prior art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: Screw valve leakage monitoring structure, including screw valve body, ultrasonic sensor and protective shell, the inner wall of protective shell is fixedly connected with unidirectional DC motor, the output shaft of unidirectional DC motor is fixedly connected with plane gear, the tooth of plane gear outer circumference surface is engaged with the tooth of L type toothed plate one side, the other side of L type toothed plate is fixedly connected with guide single rod, the outer circumference surface of guide single rod is fixedly connected with linkage branch, one end of linkage branch is fixedly connected with U type control position sliding block, one side of U type control position sliding block is fixedly connected with installation antiskid clamp, the close cooperation between parts, guarantee that ultrasonic sensor can carry out leakage monitoring to screw valve body.

[0008] Preferably, the other side of the U-shaped control position sliding block is connected to one side of the work-type placement plate through a control position track one, the other side of the work-type placement plate is fixedly connected with the protective shell, and the protective shell is arranged to prevent the internal components from being disturbed by the outside world.

[0009] Preferably, the inner wall of the protective shell is fixedly connected with a control position track two, and the outer wall of the control position track two is slidably connected with an L-shaped toothed plate. The L-shaped toothed plate is arranged to effectively drive the guide single rod to move.

[0010] Preferably, the bottom of the protective shell is fixedly connected with an L-shaped bracket, one end of the L-shaped bracket is fixedly connected with a U-shaped frame, and a groove formed in the U-shaped frame is designed with a thread matched with a one-way bolt.

[0011] Preferably, the inner wall of the U-shaped frame is threadedly connected with a one-way bolt, and there are two one-way bolts. The one-way bolts are arranged to facilitate the movement of the ultrasonic sensor.

[0012] Preferably, one end of the one-way bolt is fixedly connected with an ultrasonic sensor. The ultrasonic sensor is a prior art and will not be described in detail.

[0013] Preferably, the bottom of the screw valve body is fixedly connected with a discharge pipe, and the discharge pipe is located between the two ultrasonic sensors. The discharge pipe is arranged to clearly indicate the discharge position of the screw valve body.

[0014] Preferably, there are two guide single rods, and the outer circumferential surfaces of the two guide single rods are slidably connected with the protective shell. The guide single rods are arranged to enable the subsequent components to move more stably.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The application can effectively make the screw valve have the effect of monitoring leakage by setting the screw valve body, ultrasonic sensor, protective shell, one-way DC motor, plane gear, L-shaped tooth plate, guide single rod, linkage support plate, U-shaped control position slider, installation anti-skid clamp, control position track one, I-shaped setting plate, control position track two, and can be conveniently disassembled and assembled according to the specific demand condition.

[0017] 2. The application can still contact the ultrasonic sensor with the discharge pipe when the diameter of the discharge pipe changes, smoothly complete the leakage monitoring effect, thereby increasing the practical effect, and facilitating the operation of the staff, reducing the required operation time, and improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the protective shell of the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic diagram of the installation anti-skid clamp of the utility model;

[0021] Figure 4 It is the three-dimensional structure schematic diagram of the protective shell inside the utility model.

[0022] Reference numerals in the drawing: 1, screw valve body; 2, protective shell; 3, one-way DC motor; 4, plane gear; 5, L-shaped tooth plate; 6, guide single rod; 7, linkage support plate; 8, U-shaped control position slider; 9, installation anti-skid clamp; 10, control position track one; 11, I-shaped setting plate; 12, control position track two; 13, L-shaped support; 14, U-shaped frame; 15, one-way bolt; 16, ultrasonic sensor; 17, discharge pipe. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with 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. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] As Figures 1-4The utility model provides a technical scheme of screw valve leakage monitoring structure, including screw valve body 1, ultrasonic sensor 16 and protective housing 2, the bottom fixed connection of screw valve body 1 has the discharge pipe 17, and screw valve body 1 and discharge pipe 17 are integrated design, and discharge pipe 17 is mainly used for discharge, and screw valve body 1 is prior art, and it is not too much to repeat, and discharge pipe 17 is between two ultrasonic sensors 16, and ultrasonic sensor 16 mainly utilizes the reflection characteristic change of ultrasonic wave at liquid and air interface, and its transmitting end and receiving end are installed on the both sides of pipeline respectively, and ultrasonic wave signal is blocked or attenuated when liquid passes, thereby achieving the purpose of monitoring, and ultrasonic sensor 16 is built-in with pilot lamp.

[0025] The bottom fixed connection of protective housing 2 has L type support 13, and one end fixed connection of L type support 13 has U type frame 14, and protective housing 2, L type support 13 and U type frame 14 are integrated design, can effectively guarantee the stability of component, and the inner wall screw connection of U type frame 14 has one-way bolt 15, and the close cooperation between U type frame 14 and one-way bolt 15, through the rotation of one-way bolt 15 itself, its own position will change, thereby moving ultrasonic sensor 16, so that ultrasonic sensor 16 can contact discharge pipe 17, and it is convenient for subsequent monitoring work.

[0026] One-way bolt 15 is two, and one end fixed connection of one-way bolt 15 has ultrasonic sensor 16, and one-way bolt 15 and ultrasonic sensor 16 keep the effect of linkage, and the inner wall fixed connection of protective housing 2 has control track two 12, and the outer wall sliding connection of control track two 12 has L type toothed plate 5, and the purpose of setting control track two 12 is that through its own shape, can effectively exert control effect to L type toothed plate 5, thereby guaranteeing the stable translation of L type toothed plate 5.

[0027] The inner wall fixed connection of protective housing 2 has unidirectional DC motor 3, and the output shaft fixed connection of unidirectional DC motor 3 has plane gear 4, and the setting of unidirectional DC motor 3 can effectively provide sufficient power support for the rotation of plane gear 4, and unidirectional DC motor 3 is prior art, and it is not too much to repeat.

[0028] The teeth of the outer circumferential surface of plane gear 4 are engaged with the teeth on one side of L type toothed plate 5, and the close cooperation between plane gear 4 and L type toothed plate 5, when L type toothed plate 5 keeps stable, the rotation of plane gear 4 can effectively drive L type toothed plate 5 to translate.

[0029] The other side fixed connection of L type toothed plate 5 has guide single rod 6, and L type toothed plate 5 and guide single rod 6 keep the effect of linkage, and guide single rod 6 is two, and the outer circumferential surface of two guide single rods 6 is slidably connected with protective housing 2, and protective housing 2 will support guide single rod 6 and exert control effect, thereby guaranteeing that guide single rod 6 can only translate.

[0030] The outer circumferential surface of the guide single rod 6 is fixedly connected with a linkage support plate 7, one end of the linkage support plate 7 is fixedly connected with a U-shaped control sliding block 8, the guide single rod 6, the linkage support plate 7 and the U-shaped control sliding block 8 keep linkage effect among them, the setting of the U-shaped control sliding block 8 can ensure the stability of the subsequent components in the moving process, and the cooperation of the U-shaped control sliding block 8 with the control track one 10 can ensure the stability of the subsequent components in the moving process.

[0031] The other side of the U-shaped control sliding block 8 is slidably connected to one side of a work-shaped placement plate 11 through the control track one 10, the purpose of setting the control track one 10 is to ensure the stability of the U-shaped control sliding block 8 and make the U-shaped control sliding block 8 only displace in the specified direction, the other side of the work-shaped placement plate 11 is fixedly connected with the protective shell 2, one side of the U-shaped control sliding block 8 is fixedly connected with a mounting anti-slip clamp 9, the U-shaped control sliding block 8 and the mounting anti-slip clamp 9 keep linkage effect, there are two mounting anti-slip clamps 9, the setting of the two mounting anti-slip clamps 9 facilitates clamping the screw valve body 1 and realizes the effect of convenient disassembly and assembly.

[0032] Working principle: in use, only the screw valve body 1 is placed between the two mounting anti-slip clamps 9, the one-way direct current motor 3 is started to work, the L-shaped toothed plate 5 is driven to translate in the protective shell 2 through the plane gear 4, the linkage support plate 7 is driven to move through the guide single rod 6, the U-shaped control sliding block 8 is synchronously moved, so as to change the position of the mounting anti-slip clamp 9, so that the two mounting anti-slip clamps 9 can clamp and fix the screw valve body 1, so as to achieve the purpose of convenient installation, at this time, the discharge pipe 17 combined with the screw valve body 1 is between the two ultrasonic sensors 16, the one-way bolt 15 is rotated by manpower, and the two ultrasonic sensors 16 are respectively in contact with the two sides of the discharge pipe 17 through the cooperation of the U-shaped frame 14, when there is no liquid flowing through the discharge pipe 17, the ultrasonic sensor 16 indicator light is turned off, when the liquid passes through, the ultrasonic signal is blocked or attenuated, and the ultrasonic sensor 16 indicator light is turned on, at this time, only the screw valve body 1 stops working, when liquid leakage occurs, the ultrasonic sensor 16 indicator light is turned on when the liquid passes through the discharge pipe 17, so as to achieve the purpose of monitoring the screw valve body 1.

[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A screw valve leakage monitoring structure comprising a screw valve body (1), an ultrasonic sensor (16) and a protective housing (2), characterized in that: The inner wall of the protective shell (2) is fixedly connected with a one-way DC motor (3), the output shaft of the one-way DC motor (3) is fixedly connected with a plane gear (4), the teeth on the outer circumference of the plane gear (4) are engaged with the teeth on one side of an L-shaped toothed plate (5), the other side of the L-shaped toothed plate (5) is fixedly connected with a guide single rod (6), the outer circumference of the guide single rod (6) is fixedly connected with a linkage support plate (7), one end of the linkage support plate (7) is fixedly connected with a U-shaped control sliding block (8), one side of the U-shaped control sliding block (8) is fixedly connected with a mounting anti-skid clamp (9).

2. The screw valve leakage monitoring structure according to claim 1, characterized in that: The other side of the U-shaped control sliding block (8) is slidably connected to one side of an I-shaped placement plate (11) through a control track one (10), the other side of the I-shaped placement plate (11) is fixedly connected with the protective shell (2).

3. The screw valve leakage monitoring structure of claim 1, wherein: The inner wall of the protective shell (2) is fixedly connected with a control track two (12), and the outer wall of the control track two (12) is slidably connected with the L-shaped toothed plate (5).

4. The screw valve leakage monitoring structure of claim 1, wherein: The bottom of the protective shell (2) is fixedly connected with an L-shaped support (13), and one end of the L-shaped support (13) is fixedly connected with a U-shaped frame (14).

5. The screw valve leakage monitoring structure of claim 4, wherein: The inner wall of the U-shaped frame (14) is threadedly connected with a one-way bolt (15), and there are two one-way bolts (15).

6. The screw valve leakage monitoring structure of claim 5, wherein: One end of the one-way bolt (15) is fixedly connected with an ultrasonic sensor (16).

7. The structure for monitoring leakage of a screw valve according to claim 1, wherein: The bottom of the screw valve body (1) is fixedly connected with a discharge pipe (17), and the discharge pipe (17) is between the two ultrasonic sensors (16).

8. The structure for monitoring leakage of a screw valve according to claim 1, wherein: There are two guide single rods (6), and the outer circumferences of the two guide single rods (6) are slidably connected with the protective shell (2).

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