External card type ultrasonic flow meter and external card type probe thereof

Abstract

The present invention belongs to the field of ultrasonic flow meter card probes, specifically an external card ultrasonic flow meter and an external card probe thereof, comprising a tube body; a probe body is arranged at the top of the tube body, the outer side of the tube body is fitted with the bottom of the probe body, and a fixing protection mechanism is arranged on the outer side of the tube body and the probe body; the fixing protection mechanism comprises a clamping plate, the clamping plate is arranged at the left and right ends of the outer side of the tube body, and four groups of slots are opened at one end of the clamping plate away from the outer side of the tube body; through the design of the fixing protection mechanism, the protection function is realized, and the problem that the existing device is not provided with a component for clamping protection is solved. When the tube body is clamped, if the clamping force is too large, it is very easy to cause damage to the clamping piece and the tube body, and the protection cannot be effectively performed, thereby reducing the possibility of damage.

Description

Technical Field

[0001] The invention relates to the field of ultrasonic flowmeter card type probes, in particular to an external card type ultrasonic flowmeter and an external card type probe thereof. Background Art

[0002] The external card ultrasonic flow meter is based on the ultrasonic time difference principle. By setting a sensor upstream and downstream of the fluid, the speed difference of ultrasonic wave propagation in the downstream and upstream is measured. The flow velocity is calculated by using the relationship between the propagation time difference and the fluid velocity, and then the flow rate is calculated through the known pipe diameter.

[0003] An existing external clamp type ultrasonic flow meter and its external clamp type probe can be specifically referred to in the application number: CN202222041518.2, a probe clamp for an ultrasonic flow meter, comprising a fixing clamp, a driving assembly and a connecting block, the fixing clamp comprising a clamping jaw 1 and a clamping jaw 2, the driving assembly comprising a worm gear 1, a worm gear 2, a worm and a rotating wheel, the clamping jaw 1 and the clamping jaw 2 are hingedly arranged on both sides of the connecting block, the worm gear 1 and the worm gear 2 are rotatably arranged in the connecting block, the worm gear 1 and the worm gear 2 are respectively connected to the clamping jaw 1 and the worm gear 2. The first claw is connected to the second claw, the worm is rotatably arranged in the connection block, and the worm is meshed with the first worm wheel and the second worm wheel; the present invention belongs to the field of probe clamps for flow meters, and specifically is a probe clamp for ultrasonic flow meters that can improve the stability and firmness of clamping by arranging a fixing clamp and a driving component to avoid falling, and a fitting plate is arranged and can maintain fitting with the pipeline through its adjustability to avoid generating a large gap and causing stress damage to the pipeline, and the probe is convenient to install and disassemble, which is more conducive to the placement and detection of the probe clamp;

[0004] The above-mentioned device is not provided with a component that can be used for clamping protection. When the pipe body is clamped, if the clamping force is too large, it is very easy to cause damage to the clamping parts and the pipe body, and it cannot effectively provide protection. Therefore, in order to solve the above problem, an external clamp type ultrasonic flow meter and an external clamp type probe are proposed. Summary of the invention

[0005] In order to make up for the shortcomings of the prior art, the existing device is not provided with a component that can be used for clamping protection. When the pipe body is clamped, if the clamping force is too large, it is very easy to cause damage to the clamping parts and the pipe body, and it is impossible to effectively protect the pipe body. The present invention proposes an external clamp type ultrasonic flow meter and an external clamp type probe thereof.

[0006] The technical solution adopted by the present invention to solve the technical problem is: the present invention comprises a tube body; the outer side of the tube body is in contact with the bottom end of the probe body, and a fixing protection mechanism is arranged on the outer side of the tube body;

[0007] The fixed protection mechanism includes a splint, a first return spring, a protection block, a first fixed block, a second fixed block, a motor, a threaded rod, a second fixed plate, a first magnetic block, a second magnetic block, a fixed seat, a fixed rod, a rotating block, an insert block, a pulling handle, a second return spring, a third fixed block, a slide groove, a slider and a buffer block. The splint is arranged at the left and right ends of the outer side of the tube body, and four groups of slots are opened at the end of the splint away from the outer side of the tube body. A moving rod is inserted into one end of the slot, and the slot is slidably connected to the moving rod, and the other end of the slot is fixedly connected to one end of the first fixed plate.

[0008] Preferably, a first return spring is sleeved on the outer side of the slot, one end of the first return spring is fixedly connected to one end of the first fixing plate, and the other end of the first return spring is fixedly connected to an end of the clamping plate away from the outer side of the tube body.

[0009] Preferably, one end of the splint close to the outside of the tube body is fixedly connected to one end of the protection block, the other end of the protection block is in contact with the outside of the tube body, and the middle position of the end of the splint away from the outside of the tube body is fixedly connected to one end of the buffer block.

[0010] Preferably, the other end of the first fixing plate is fixedly connected to one end of the first fixing block, a second fixing block is arranged above the probe body, the right side end inside the second fixing block is fixedly connected to the right side end of the motor, the left side end of the motor is fixedly connected to the right side end of the threaded rod, the left side end of the threaded rod is inserted inside the left side end of the second fixing block, and the threaded rod is rotatably connected to the second fixing block.

[0011] Preferably, an external clamp type ultrasonic flow meter probe comprises a probe body, wherein the probe body is arranged on the outside of a tube body and fits with the tube body, the middle position of the bottom end of the second fixed block is fixedly connected to the top end of the second fixed plate, the bottom end of the second fixed plate is also provided with a second magnetic block near the corner, and the bottom end of the second fixed plate is fixedly connected to the top end of the second magnetic block, the top end of the probe body is also provided with a first magnetic block near the corner, and the top end of the probe body is fixedly connected to the bottom end of the first magnetic block, and the bottom end of the second magnetic block is magnetically connected to the top end of the first magnetic block.

[0012] Preferably, fixed seats are also provided at the front and rear ends of the top of the second fixed plate, and the top of the second fixed plate is fixedly connected to the bottom of the fixed seat, the left and right ends inside the fixed seat are respectively fixedly connected to the left and right ends of the fixed rod, one end of a rotating block is sleeved on the outside of the fixed rod, and the fixed rod is rotatably connected to the rotating block.

[0013] Preferably, one end of a rotating block is sleeved on the outside of the fixed rod, and the fixed rod is rotatably connected to the rotating block, one end of an insert block is inserted into the rotating block, and the rotating block and the insert block are slidably connected, and the outside of the insert block is fixedly connected to one end of the pulling handle.

[0014] Preferably, second return springs are also provided at the left and right ends of the bottom end of the rotating block, one end of the second return spring is fixedly connected to the bottom end of the rotating block, and the other end of the second return spring is fixedly connected to one end of the insert block.

[0015] Preferably, the probe body is also provided with a third fixing block at both ends thereof, the other end of the insert block is inserted into the third fixing block, and the insert block is slidably connected to the third fixing block.

[0016] Preferably, the front and rear ends of the rotating block are also provided with sliding grooves, the front and rear ends of one end of the insert block are also provided with sliders, and the insert block is fixedly connected to one end of the slider, the other end of the slider passes through the sliding groove to reach the outside of the rotating block, and the slider is slidably connected to the sliding groove.

[0017] The present invention is beneficial in that:

[0018] 1. The present invention realizes the protection function through the structural design of the fixed protection mechanism, solves the problem that the existing device is not provided with a component for clamping protection, and when the pipe body is clamped, if the clamping force is too large, it is very easy to cause damage to the clamping member and the pipe body, and the protection cannot be effectively provided, thereby reducing the possibility of damage;

[0019] 2. The present invention achieves the function of preventing friction on the pipe wall through the structural design of the fixed protection mechanism, solves the problem that the existing device is not provided with a component that can be used to protect the pipe wall, and the existing device is very likely to rub the pipe wall during the clamping process, and in serious cases, it is very likely to damage the pipe wall, thereby improving the protection of the pipe wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 It is a schematic diagram of a first partial cross-sectional structure of the present invention;

[0023] Figure 3 It is a schematic diagram of a second partial cross-sectional structure of the present invention;

[0024] Figure 4 It is a schematic diagram of a third partial cross-sectional structure of the present invention;

[0025] Figure 5 For the present invention Figure 1 A structural diagram of the enlarged schematic diagram at A in the middle;

[0026] Figure 6 For the present invention Figure 1 The structural diagram of the enlarged schematic diagram at B in the middle;

[0027] Figure 7 For the present invention Figure 2 The structural diagram of the enlarged schematic diagram at C in the middle;

[0028] Figure 8 For the present invention Figure 3 The structural diagram of the enlarged schematic diagram at D in the middle;

[0029] Fig. 9 For the present invention Figure 4 The structural diagram of the enlarged schematic diagram at E in the middle;

[0030] Fig.10 It is a structural schematic diagram of the enlarged schematic diagram at F in Figure A of the present invention.

[0031] In the figure: 1. tube body; 2. probe body; 10. clamping plate; 11. slot; 12. moving rod; 13. first fixed plate; 14. first return spring; 15. protection block; 16. first fixed block; 17. second fixed block; 18. motor; 19. threaded rod; 20. second fixed plate; 21. first magnetic block; 22. second magnetic block; 23. fixing seat; 24. fixing rod; 25. rotating block; 26. insert block; 27. pull handle; 28. second return spring; 29. ​​third fixed block; 30. slide groove; 31. slider; 32. buffer block. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-Figure 10 As shown, an external clamp type ultrasonic flow meter and an external clamp type probe thereof include a tube body 1; the outer side of the tube body 1 is in contact with the bottom end of the probe body 2, and a fixing protection mechanism is provided on the outer side of the tube body 1;

[0034] The fixed protection mechanism includes a clamping plate 10, a first return spring 14, a protection block 15, a first fixed block 16, a second fixed block 17, a motor 18, a threaded rod 19, a second fixed plate 20, a first magnetic block 21, a second magnetic block 22, a fixed seat 23, a fixed rod 24, a rotating block 25, an insert block 26, a pull handle 27, a second return spring 28, a third fixed block 29, a slide groove 30, a slider 31 and a buffer block 32. The clamping plate 10 is arranged at the left and right ends of the outer side of the tube body 1, and one end of the clamping plate 10 away from the outer side of the tube body 1 is provided with four groups of slots 11, one end of the slot 11 is inserted with a moving rod 12, and the slot 11 is slidably connected to the moving rod 12, and the other end of the slot 11 is fixedly connected to one end of the first fixed plate 13;

[0035] During operation, the clamping plate 10 moves, which causes the slot 11 to move along the outer side of the moving rod 12 .

[0036] Furthermore, a first return spring 14 is sleeved on the outside of the slot 11, one end of the first return spring 14 is welded to one end of the first fixing plate 13, and the other end of the first return spring 14 is welded to one end of the clamping plate 10 away from the outside of the tube body 1;

[0037] During operation, the clamping plate 10 moves, which will drive the first return spring 14 to contract, thereby offsetting the excessive pressure.

[0038] Furthermore, one end of the clamping plate 10 close to the outside of the tube body 1 is welded to one end of the protection block 15, the other end of the protection block 15 is attached to the outside of the tube body 1, and the middle position of the end of the clamping plate 10 away from the outside of the tube body 1 is welded to one end of the buffer block 32;

[0039] During operation, if the clamping force is too large, the protection block 15 will be squeezed and the clamping plate 10 will be driven to move toward the first fixed plate 13. The clamping plate 10 will drive the buffer block 32 to move toward the first fixed plate 13 and squeeze the buffer block 32 to deform.

[0040] Further, the other end of the first fixing plate 13 is welded to one end of the first fixing block 16, a second fixing block 17 is arranged above the probe body 2, the right end inside the second fixing block 17 is welded to the right end of the motor 18, the left end of the motor 18 is welded to the right end of the threaded rod 19, the left end of the threaded rod 19 is inserted inside the left end of the second fixing block 17, and the threaded rod 19 is rotatably connected to the second fixing block 17;

[0041] During operation, the motor 18 inside the second fixed block 17 is started to drive the threaded rod 19 to rotate, and the other end of the threaded rod 19 rotates along the second fixed block 17. When the threaded rod 19 rotates, the first fixed blocks 16 on both sides are driven to move toward the middle at the same time.

[0042] Furthermore, an external card type ultrasonic flow meter probe comprises a probe body 2, wherein the probe body 2 is arranged outside the tube body 1 and fits the tube body 1, the middle position of the bottom end of the second fixing block 17 is fixedly connected to the top end of the second fixing plate 20, the bottom end of the second fixing plate 20 is also provided with a second magnetic block 22 near the corner, and the bottom end of the second fixing plate 20 is fixedly connected to the top end of the second magnetic block 22, the top end of the probe body 2 is also provided with a first magnetic block 21 near the corner, and the top end of the probe body 2 is fixedly connected to the bottom end of the first magnetic block 21, and the bottom end of the second magnetic block 22 is magnetically connected to the top end of the first magnetic block 21;

[0043] During operation, the first magnetic block 21 at the top of the probe body 2 is aligned with the second magnetic block 22 at the bottom of the second fixing plate 20 , and the first magnetic block 21 is installed and moved toward the position of the first magnetic block 21 , so that the first magnetic block 21 will be magnetically adsorbed to the second fixing plate 20 .

[0044] Furthermore, a fixing seat 23 is also provided at the front and rear ends of the top of the second fixing plate 20, and the top of the second fixing plate 20 is welded to the bottom of the fixing seat 23, and the left and right ends of the inside of the fixing seat 23 are respectively welded to the left and right ends of the fixing rod 24, and one end of the rotating block 25 is sleeved on the outside of the fixing rod 24, and the fixing rod 24 is rotatably connected to the rotating block 25;

[0045] During operation, the rotating block 25 is turned outward, so that the rotating block 25 will rotate along the outer side of the fixing rod 24 inside the second magnetic block 22 .

[0046] Furthermore, one end of a rotating block 25 is sleeved on the outer side of the fixed rod 24, and the fixed rod 24 is rotatably connected to the rotating block 25. One end of an insert block 26 is inserted into the rotating block 25, and the rotating block 25 is slidably connected to the insert block 26. The outer side of the insert block 26 is welded to one end of the pulling handle 27.

[0047] During operation, the pull handle 27 is pulled outwards, driving one end of the insert block 26 to move outwards along the inside of the rotating block 25 .

[0048] Furthermore, the left and right ends of the bottom of the rotating block 25 are also provided with second return springs 28, one end of the second return spring 28 is welded to the bottom of the rotating block 25, and the other end of the second return spring 28 is welded to one end of the insert block 26;

[0049] During operation, the second return spring 28 inside the rotating block 25 will be stretched and lengthened during the movement of the inserting block 26 .

[0050] Furthermore, the probe body 2 is also provided with a third fixing block 29 at both ends, and the other end of the insert block 26 is inserted into the third fixing block 29, and the insert block 26 is slidably connected to the third fixing block 29;

[0051] During operation, the pull handle 27 is released, and under the resilience of the second return spring 28 , the other end of the insert block 26 is inserted into the third fixing block 29 , thereby fixing the probe body 2 .

[0052] Furthermore, the front and rear ends of the rotating block 25 are also provided with slide grooves 30, and the front and rear ends of one end of the insert block 26 are also provided with sliders 31, and the insert block 26 is welded to one end of the slider 31, and the other end of the slider 31 passes through the slide groove 30 to reach the outside of the rotating block 25, and the slider 31 is slidably connected with the slide groove 30;

[0053] During operation, the insert block 26 drives the slider 31 to move along the inside of the slide groove 30 during the movement.

[0054] Working principle: when fixing, first align the first magnetic block 21 at the top of the probe body 2 with the second magnetic block 22 at the bottom of the second fixing plate 20, and install and move toward the position of the first magnetic block 21, so that the first magnetic block 21 will be magnetically adsorbed with the second fixing plate 20, and then pull the pull handle 27 outward, driving one end of the plug block 26 to move outward along the inside of the rotating block 25, and when the plug block 26 moves, the second return spring 28 inside the rotating block 25 will be stretched and extended, and then the rotating block 25 is flipped outward, so that the rotating block 25 will rotate along the outside of the fixing rod 24 inside the second magnetic block 22 until the other end of the plug block 26 is flipped to be parallel to the third fixing block 29, and then release the pull handle 27, under the resilience of the second return spring 28, the other end of the plug block 26 is inserted into the inside of the third fixing block 29, thereby fixing the probe body 2, and during the movement of the plug block 26, the slider 31 is driven along the sliding When the first fixing block 16 moves, the clamping plate 10 is also driven to move toward the outside of the tube body 1 until it is clamped. If the clamping force is too large, the protective block 15 will be squeezed and the clamping plate 10 will be driven to move toward the position of the first fixing plate 13, and the clamping plate 10 will drive the buffer block 32 to move toward the position of the first fixing plate 13, and squeeze the buffer block 32 to deform. When the clamping plate 10 moves, the slot 11 will be moved along the outside of the moving rod 12, and in the process of moving, the first return spring 14 will be driven to contract, thereby offsetting the excessive pressure.

[0055] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. An external card type ultrasonic flow meter, comprising a tube body (1); characterized in that: The outer side of the tube body (1) is in contact with the bottom end of the probe body (2), and a fixing protection mechanism is provided on the outer side of the tube body (1); The fixed protection mechanism comprises a clamping plate (10), a first return spring (14), a protection block (15), a first fixed block (16), a second fixed block (17), a motor (18), a threaded rod (19), a second fixed plate (20), a first magnetic block (21), a fixed rod (24), a rotating block (25), an insert block (26), a pulling handle (27), a sliding block (31) and a buffer block (32). The clamping plate (10) is arranged at the left and right ends of the outer side of the tube body (1). One end of the clamping plate (10) away from the outer side of the tube body (1) is provided with four groups of slots (11). A moving rod (12) is inserted into one end of the slot (11), and the slot (11) is slidably connected to the moving rod (12). The other end of the slot (11) is fixedly connected to one end of the first fixed plate (13).

2. The external card type ultrasonic flow meter according to claim 1, characterized in that: The first return spring (14) is sleeved on the outer side of the slot (11); one end of the first return spring (14) is fixedly connected to one end of the first fixing plate (13); and the other end of the first return spring (14) is fixedly connected to one end of the clamping plate (10) away from the outer side of the tube body (1).

3. The external card type ultrasonic flow meter according to claim 2, characterized in that: One end of the clamping plate (10) close to the outside of the tube body (1) is fixedly connected to one end of the protection block (15), the other end of the protection block (15) is in contact with the outside of the tube body (1), and the middle position of one end of the clamping plate (10) away from the outside of the tube body (1) is fixedly connected to one end of the buffer block (32).

4. The external card type ultrasonic flow meter according to claim 3, characterized in that: The other end of the first fixing plate (13) is fixedly connected to one end of the first fixing block (16); the second fixing block (17) is arranged above the probe body (2); the right end inside the second fixing block (17) is fixedly connected to the right end of the motor (18); the left end of the motor (18) is fixedly connected to the right end of the threaded rod (19); the left end of the threaded rod (19) is inserted into the left end of the second fixing block (17), and the threaded rod (19) is rotatably connected to the second fixing block (17).

5. An external card type ultrasonic flow meter probe comprises an external card type ultrasonic flow meter as claimed in any one of claims 1 to 4, comprising a probe body (2), characterized in that: The probe body (2) is arranged outside the tube body (1) and fits with the tube body (1); the middle position of the bottom end of the second fixing block (17) is fixedly connected to the top end of the second fixing plate (20); a second magnetic block (22) is also arranged near the corner of the bottom end of the second fixing plate (20), and the bottom end of the second fixing plate (20) is fixedly connected to the top end of the second magnetic block (22); the first magnetic block (21) is arranged near the corner of the top end of the probe body (2), and the top end of the probe body (2) is fixedly connected to the bottom end of the first magnetic block (21); and the bottom end of the second magnetic block (22) is magnetically connected to the top end of the first magnetic block (21).

6. The external card type ultrasonic flow meter probe according to claim 5, characterized in that: The front and rear ends of the top of the second fixing plate (20) are also provided with fixing seats (23), and the top of the second fixing plate (20) is fixedly connected to the bottom of the fixing seat (23), the left and right ends inside the fixing seat (23) are respectively fixedly connected to the left and right ends of the fixing rod (24), and the outer side of the fixing rod (24) is rotatably connected to the rotating block (25).

7. The external card type ultrasonic flow meter probe according to claim 6, characterized in that: The insert block (26) is inserted into the interior of the rotating block (25), and the rotating block (25) is slidably connected to the insert block (26), and the outer side of the insert block (26) is fixedly connected to one end of the pulling handle (27).

8. The external card type ultrasonic flow meter probe according to claim 7, characterized in that: Second return springs (28) are also provided at the left and right ends of the bottom end of the rotating block (25), one end of the second return spring (28) is fixedly connected to the bottom end of the rotating block (25), and the other end of the second return spring (28) is fixedly connected to one end of the inserting block (26).

9. The external card type ultrasonic flow meter probe according to claim 8, characterized in that: The probe body (2) is also provided with a third fixing block (29) at both ends, and the other end of the insert block (26) is inserted into the third fixing block (29), and the insert block (26) is slidably connected to the third fixing block (29).

10. The external card type ultrasonic flow meter probe according to claim 9, characterized in that: The front and rear ends of the rotating block (25) are also provided with sliding grooves (30), and the front and rear ends of one end of the inserting block (26) are also provided with sliding blocks (31), and the inserting block (26) is fixedly connected to one end of the sliding block (31), and the other end of the sliding block (31) passes through the sliding groove (30) to reach the outside of the rotating block (25), and the sliding block (31) is slidably connected to the sliding groove (30).

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