Ultrasonic flowmeter transducer fixing device
By designing components such as guide rails and movable blocks, the problem of inconvenient installation of existing ultrasonic flow meter transducers has been solved, enabling quick disassembly and stable fixation, and improving the accuracy and convenience of detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-12
- Publication Date
- 2026-03-20
AI Technical Summary
Existing ultrasonic flow meter transducers are not easy to install and remove quickly, are difficult to replace, and are prone to loosening under vibration or external force, affecting the accuracy of detection.
A fixing device including a guide rail, a movable block, a threaded sleeve, a nut, and a fixing mechanism was designed. The nut and washer work together to enable quick installation and position adjustment of the transducer and prevent loosening. The design of the pin and anti-slip protrusion enhances the fixing effect.
It enables rapid disassembly and reassembly of the transducer and position adjustment, enhances stability under vibration or external force, and improves the accuracy and convenience of testing.
Smart Images

Figure CN224019112U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flowmeter device technical field, concretely is a kind of ultrasonic flowmeter transducer fixing device. BACKGROUND
[0002] Common flowmeter on market is mainly divided into following three categories: outer clamp type, insertion type and pipe section type, wherein, due to the characteristics of outer clamp type, transducer that can emit and receive ultrasonic wave signal is pasted on pipeline outer wall to carry out corresponding measurement, without destroying pipeline structure, and the other two types of flowmeter will cause certain influence to the structure of measured pipeline when working, thus, relatively, the application scene of ultrasonic flowmeter using outer clamp type is more extensive.
[0003] For example, the adjustment fixing device of the ultrasonic flowmeter transducer disclosed in the authorized announcement No.CN214277056U, by the protection outer frame, sliding sleeve, pull rod, compression spring and sliding block frame, when it is needed to temporarily separate the transducer from the measured pipeline outer circular arc surface, the transducer can be directly translated upward and limited, otherwise, the compression spring is released, the transducer is extruded downward by using the persistent elastic force generated thereby, the close contact between the transducer and the measured pipeline outer circular arc surface can be always maintained to avoid the repeated friction between the lower end surface of the transducer and the measured pipeline outer circular arc surface, by the measured pipeline, guide rail and support plate, the principle that circular arc groove structure can place any columnar object smaller than its own cross-sectional profile can be used, so that the installation of pipelines with various pipe diameter specifications can be satisfied.
[0004] The adjustment fixing device of the ultrasonic flowmeter transducer, by the protection outer frame, sliding sleeve, pull rod, compression spring and sliding block frame, when it is needed to temporarily separate the transducer from the measured pipeline outer circular arc surface, the transducer can be directly translated upward and limited, otherwise, the compression spring is released, the transducer is extruded downward by using the persistent elastic force generated thereby, the close contact between the transducer and the measured pipeline outer circular arc surface can be always maintained to avoid the repeated friction between the lower end surface of the transducer and the measured pipeline outer circular arc surface, by the measured pipeline, guide rail and support plate, the principle that circular arc groove structure can place any columnar object smaller than its own cross-sectional profile can be used, so that the installation of pipelines with various pipe diameter specifications can be satisfied.
[0005] From the above-mentioned prior art patent document, it can be known that the transducer is installed inside the protection outer frame, it is inconvenient to quickly disassemble and replace the transducer, in addition, the transducer is moved horizontally by moving the sliding frame, such structure is easy to cause the sliding frame to slide when subjected to vibration or other external force, which affects the detection accuracy of the transducer, therefore, the prior art needs to be improved. UTILITY MODEL CONTENTS
[0006] The utility model discloses a purpose at providing a kind of ultrasonic flowmeter transducer fixing device, to solve the problems existing in prior art.
[0007] To achieve the above object, the utility model provides the following technical scheme: an ultrasonic flowmeter transducer fixing device, including guide rail, the inside sliding sleeve of guide rail is connected with mounting mechanism, the mounting mechanism is used for quick disassembly and replacement equipment, the mounting mechanism includes the movable block of guide rail inside sliding connection, the both sides of movable block are symmetrically provided with slider, the lower end surface of movable block is connected with threaded sleeve, the outside sleeve of threaded sleeve is connected with gasket, the outside threaded connection of threaded sleeve has nut, the inside sleeve of movable block has transducer, the upper end of transducer is connected with data line, the lower end of the both sides of guide rail is equipped with fixed mechanism, and the fixed mechanism is used for fixing guide rail position.
[0008] The upper end of movable block is provided with limiting mechanism, and the limiting mechanism is used for blocking and limiting transducer, the limiting mechanism includes the mounting plate that movable block upper end surface is close to, the lower end surface of mounting plate is provided with bolt in four corners, the outer side of bolt is fixedly adhered with anti-skid boss, the inside of mounting plate is provided with U-shaped groove, and the upper end of movable block is provided with insertion slot in four corners.
[0009] Preferably, the lower end surface of the guide rail is pressed against the gasket, and the lower end surface of the gasket is pressed against the nut.
[0010] Preferably, the inside of the guide rail is slidingly connected with the slider, the inside of the movable block is slidingly sleeved with the threaded sleeve, and the inside of the threaded sleeve is sleeved with the transducer.
[0011] Preferably, the upper end surface of the transducer is close to the mounting plate, the inside of the mounting plate is sleeved with the data line, and the inner wall of the insertion slot is pressed against the anti-skid boss.
[0012] Preferably, the fixed mechanism includes upper clamping rings symmetrically arranged at both ends of the guide rail, the upper clamping rings are threadedly connected with lower clamping rings at both ends, the upper clamping rings are sleeved with pipes inside, and the lower clamping rings are sleeved with the pipes inside.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The ultrasonic flowmeter transducer fixing device loosens the gasket by rotating the loosening nut, loosens the movable block, moves the nut transversely to move the movable block and the transducer transversely, and tightens the gasket by rotating the tightening nut to press the guide rail, so as to adjust the position of the transducer.
[0015] By inserting the transducer inside the movable block and inserting the plug into the slot, the transducer is conveniently and quickly installed and fixed, when the transducer is replaced, the mounting plate is removed upward to drive the plug to disengage from the slot restraint, so as to move the transducer upward to repair and replace. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic diagram of the whole structure of the utility model;
[0017] Figure 2 It is a enlarged stereogram of the movable block of the utility model;
[0018] Figure 3 It is a enlarged stereogram of the threaded sleeve of the utility model;
[0019] Figure 4 It is a enlarged stereogram of the movable block of the utility model;
[0020] Figure 5 It is a enlarged stereogram of the mounting plate of the utility model.
[0021] In the figure: 1 guide rail, 11 movable block, 12 sliding block, 13 threaded sleeve, 14 gasket, 15 nut, 16 transducer, 17 data line, 2 mounting plate, 21 plug, 22 anti-skid boss, 23 U-shaped groove, 24 slot, 3 upper clasp ring, 31 lower clasp ring, 32 pipeline. DETAILED DESCRIPTION
[0022] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Please refer to Figures 1-5 , a kind of ultrasonic flowmeter transducer fixing device in the figure, including guide rail 1, guide rail 1 inside slide sleeve joint installation mechanism, installation mechanism is used to quickly disassemble and replace equipment, installation mechanism includes movable block 11 of guide rail 1 inside slide connection, two sides of movable block 11 symmetrically weld sliding block 12, the lower end surface of movable block 11 is welded threaded sleeve 13, threaded sleeve 13 outside sleeve gasket 14, threaded sleeve 13 outside screw connection nut 15, movable block 11 inside sleeve transducer 16, the upper end of transducer 16 is connected with data line 17, the lower end of the both sides of guide rail 1 is equipped with fixed mechanism, fixed mechanism is used to fix the position of guide rail 1;
[0024] The upper end of the movable block 11 is provided with a limiting mechanism for blocking the limiting transducer 16, which includes a mounting plate 2 tightly attached to the upper end face of the movable block 11, four latches 21 provided on the lower end face of the mounting plate 2, anti-skid protrusions 22 fixed to the outer side face of the latches 21, and a U-shaped slot 23 provided in the mounting plate 2, and four insertion slots 24 provided on the four corners of the upper end of the movable block 11.
[0025] Please refer to Figures 1-4 , the lower end face of the guide rail 1 is pressed against the gasket 14, and the lower end face of the gasket 14 is pressed against the nut 15;
[0026] In this arrangement, the gasket 14 is loosened by rotating the loosening nut 15, the movable block 11 is loosened, the movable block 11 and the transducer 16 are moved transversely by moving the nut 15 transversely, and the gasket 14 is pressed against the guide rail 1 by rotating the tightening nut 15, so as to adjust the position of the transducer 16. The design of the gasket 14 can increase the force receiving area and reduce the wear of the upper end face of the nut 15, and prevent the movable block 11 from loosening when subjected to vibration or other external forces.
[0027] Please refer to Figures 1-4 , the inner part of the guide rail 1 is slidably connected with the sliding block 12, the inner part of the movable block 11 is slidably sleeved with the threaded sleeve 13, and the inner part of the threaded sleeve 13 is sleeved with the transducer 16;
[0028] In this arrangement, the transducer 16 is inserted into the inner part of the movable block 11, and the latches 21 are inserted into the insertion slots 24, so as to facilitate the quick installation and fixation of the transducer 16.
[0029] Please refer to Figure 3 and Figure 5 , the upper end face of the transducer 16 is tightly attached to the mounting plate 2, the inner part of the mounting plate 2 is sleeved with the data line 17, and the inner wall of the insertion slot 24 is pressed against the anti-skid protrusion 22;
[0030] In this arrangement, when the transducer 16 is replaced, the mounting plate 2 is removed upward to disengage the latches 21 from the insertion slots 24, so as to move the transducer 16 upward for maintenance and replacement. The design of the anti-skid protrusion 22 can increase the friction with the inner wall of the insertion slot 24, effectively fixing the transducer 16 in the inner part of the movable block 11.
[0031] Please refer to Figure 1 and Figure 3 , the fixing mechanism includes upper clamping rings 3 symmetrically arranged at the two ends of the guide rail 1, lower clamping rings 31 threadedly connected to the two ends of the upper clamping rings 3, and pipes 32 sleeved in the inner part of the upper clamping rings 3 and the inner part of the lower clamping rings 31;
[0032] In this arrangement, when the fluid flows in the pipes 32, signals are emitted from the transducer 16, transmitted to the other transducer 16 through the pipes 32 and the fluid, so as to realize flow detection.
[0033] The working principle of the embodiment is as follows: the ultrasonic flowmeter transducer fixing device is convenient and fast to install and fix the transducer 16 by inserting the transducer 16 into the movable block 11 and inserting the plug 21 into the slot 24, when the transducer 16 is replaced, the plug 21 is disengaged from the slot 24 by removing the mounting plate 2 upward to drive the plug 21, so as to move the transducer 16 upward to maintain and replace, the design of the anti-skid convex block 22 can increase the friction with the inner wall of the slot 24, and effectively fix the transducer 16 in the movable block 11;
[0034] By loosening the nut 15, the gasket 14 is loosened, the movable block 11 is loosened, the nut 15 is moved transversely to drive the movable block 11 and the transducer 16 to move transversely, the gasket 14 is compressed to adjust the position of the transducer 16, the design of the gasket 14 can increase the stress area and reduce the wear of the upper end surface of the nut 15, and prevent the movable block 11 from loosening when subjected to vibration or other external force;
[0035] When the fluid flows in the pipeline 32, the signal is emitted from the transducer 16, and is propagated to the other transducer 16 through the pipeline 32 and the fluid, so as to realize flow detection.
[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A transducer fixing device for an ultrasonic flow meter, characterized in that: Includes a guide rail (1), with an installation mechanism slidably sleeved inside the guide rail (1). The installation mechanism is used for quick disassembly and replacement of equipment. The installation mechanism includes a movable block (11) slidably connected inside the guide rail (1). Slider blocks (12) are symmetrically arranged on both sides of the movable block (11). A threaded sleeve (13) is connected to the lower end face of the movable block (11). A gasket (14) is sleeved on the outer side of the threaded sleeve (13). A nut (15) is threadedly connected to the outer side of the threaded sleeve (13). A transducer (16) is sleeved inside the movable block (11). A data cable (17) is connected to the upper end of the transducer (16). A fixing mechanism is installed at the lower ends of both sides of the guide rail (1). The fixing mechanism is used to fix the position of the guide rail (1). The upper end of the movable block (11) is provided with a limiting mechanism, which is used to block and limit the transducer (16). The limiting mechanism includes a mounting plate (2) that is tightly attached to the upper surface of the movable block (11). The four corners of the lower surface of the mounting plate (2) are provided with pins (21). The outer side of the pins (21) is fixedly glued with anti-slip protrusions (22). The interior of the mounting plate (2) is provided with a U-shaped groove (23). The four corners of the upper end of the movable block (11) are provided with slots (24).
2. The ultrasonic flowmeter transducer fixing device according to claim 1, characterized in that: The lower end face of the guide rail (1) is pressed against the pad (14), and the lower end face of the pad (14) is pressed against the nut (15).
3. The ultrasonic flowmeter transducer fixing device according to claim 1, characterized in that: The guide rail (1) is internally connected to a slider (12), the movable block (11) is internally slidably fitted with a threaded sleeve (13), and a transducer (16) is fitted inside the threaded sleeve (13).
4. The ultrasonic flowmeter transducer fixing device according to claim 1, characterized in that: The upper end face of the transducer (16) is in close contact with the mounting plate (2), the data cable (17) is connected inside the mounting plate (2), and the inner wall of the slot (24) is pressed with anti-slip protrusions (22).
5. The ultrasonic flowmeter transducer fixing device according to claim 1, characterized in that: The fixing mechanism includes upper retaining rings (3) symmetrically arranged at both ends of the guide rail (1), and lower retaining rings (31) are threadedly connected to both ends of the upper retaining rings (3). A pipe (32) is sleeved inside the upper retaining rings (3), and a pipe (32) is sleeved inside the lower retaining rings (31).