CN212620912U

CN212620912U - Ultrasonic liquid level meter

Info

Publication number: CN212620912U
Application number: CN202021120159.4U
Authority: CN
Inventors: 徐蠡
Original assignee: Wuxi Qiuxin Flowmeter Co ltd
Current assignee: Wuxi Qiuxin Flowmeter Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-26
Anticipated expiration: 2030-06-17

Abstract

The utility model belongs to the technical field of the level gauge, especially, be an ultrasonic wave level gauge, including the level gauge body, the slip cover is equipped with first annular piece on the level gauge body, slip cover is equipped with the drum on the first annular piece, the bellows is pasted and is fixed with at the top of drum, the top of bellows is pasted and is fixed with the weather shield, paste on the inner wall of drum and be fixed with second annular piece, the top of second annular piece is equipped with four buffer gear who is circular arrangement, buffer gear includes the circle case, all seted up the slide opening on the top of circle case and the bottom inner wall, equal slidable mounting has the round bar in two slide openings, and the one end that two round bars were kept away from each other extends to outside the slide opening that corresponds respectively and pastes fixedly together with second annular piece and weather shield respectively. The utility model discloses the practicality is high, though simple structure, but the steadiness is fine, not only can carry out effectual rain-proof and protection effect to the level gauge.

Description

Ultrasonic liquid level meter

Technical Field

The utility model relates to a level gauge technical field especially relates to an ultrasonic wave level gauge.

Background

During measurement, ultrasonic pulses are sent out by a sensor, sound waves are reflected by the surface of the liquid and then received by the same sensor or an ultrasonic receiver, the sound waves are converted into electric signals through a piezoelectric crystal or a magnetostrictive device, and the distance from the sensor to the surface of the measured liquid is calculated according to the time between the sending and receiving of the sound waves. Because of adopting non-contact measurement, the measured medium is almost unrestricted, can extensively be used for the measurement of various liquid and solid material height, because ultrasonic wave level gauge installs outdoor usually, in order to prevent it from being drenched by the rainwater, is provided with rain-proof cover outside it usually.

However, the existing rain cover mounting mechanism is complex, cannot be conveniently mounted and dismounted, is inconvenient to maintain and has low stability; and do not set up buffer in the rain-proof cover of current, easily impaired when receiving the rainwater impact, for this reason, provide an ultrasonic wave level gauge.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an ultrasonic liquid level meter.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an ultrasonic liquid level meter comprises a liquid level meter body, wherein a first annular block is sleeved on the liquid level meter body in a sliding manner, a cylinder is sleeved on the first annular block in a sliding manner, a corrugated pipe is fixedly adhered to the top of the cylinder, a rain shield is fixedly adhered to the top end of the corrugated pipe, a second annular block is fixedly adhered to the inner wall of the cylinder, four buffering mechanisms which are circularly arranged are arranged at the top of the second annular block and comprise circular boxes, sliding holes are respectively formed in the inner walls of the tops and the bottoms of the circular boxes, circular rods are respectively and slidably arranged in the two sliding holes, one ends of the two circular rods, which are far away from each other, respectively extend out of the corresponding sliding holes and are respectively and fixedly adhered with the second annular block and the rain shield together, one ends of the two circular rods, which are close to each other, respectively extend into the circular boxes and are fixedly adhered with limiting plates, and one end of the two limiting plates, which is close to each other, two stop blocks are symmetrically adhered and fixed on the inner wall of the cylinder, both sides of the first annular block are respectively provided with a limiting groove, the two stop blocks are respectively connected with the corresponding limiting grooves in a sliding way, the first annular block is provided with two round holes, the inner wall of one side, far away from each other, of the two round holes is provided with a through hole, clamping columns are respectively arranged in the two through holes in a sliding way, the two clamping columns respectively penetrate through the corresponding through holes, one ends, close to each other, of the two clamping columns are fixedly adhered with the same baffle plate, one sides, far away from each other, of the two baffle plates are fixedly adhered with second springs, one ends, far away from each other, of the two second springs are respectively fixedly adhered with the inner wall of one side, far away from each other, of the two through holes, the two second springs are respectively sleeved on the corresponding clamping columns in a sliding way, the bottoms of the, two ends of the two limiting rods are respectively stuck and fixed with the inner walls of two sides of the corresponding through holes, and the two limiting rods are respectively connected with the corresponding pull rods in a rotating mode.

Preferably, an oval hole is formed in the pull rod, and the limiting rod is rotatably connected with the inner wall of the oval hole.

Preferably, a cone-barrel-shaped protective sleeve is fixedly adhered to the top of the first annular block, and the liquid level meter body is connected with the inner wall of the cone-barrel-shaped protective sleeve in a sliding mode.

Preferably, three support legs which are circularly arranged are fixedly adhered to the bottom of the first annular block.

Preferably, a shifting block is fixedly adhered to the bottom end of the pull rod.

Preferably, the stiffness coefficient of the first spring is 50N/m, and the stiffness coefficient of the second spring is 20N/m.

Compared with the prior art, the beneficial effects of the utility model are that: when the liquid level meter body is used outdoors, the first annular block is sleeved on the liquid level meter body, the three supporting legs are contacted with the table top, then the two stop blocks on the cylinder are aligned to the two limiting grooves on the first annular block, the two stop blocks and the two clamping columns can push the two clamping columns to approach each other when just contacting, when the two stop blocks move to the lower parts of the corresponding clamping columns, the two baffle plates can be far away from each other under the action of the two second springs, so that the two baffle plates can push the two clamping columns to be far away from each other and block the corresponding stop blocks, when the rain shield is impacted in rain or hail, the rain shield can approach the cylinder, so that the two round rods on the buffer mechanism can be close to each other, so that the two round rods can extrude the first spring through the two limiting plates, thereby the impact force applied to the rain shield can be buffered, and the corrugated pipe can prevent rainwater from invading the liquid level meter body.

The utility model discloses the practicality is high, though simple structure, but the steadiness is fine, not only can carry out effectual rain-proof and protection effect to the level gauge.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

in the figure: 1. a liquid level meter body; 2. a first ring block; 3. a cylinder; 4. a bellows; 5. A rain shield; 6. a second ring block; 7. a round box; 8. a slide hole; 9. a round bar; 10. a limiting plate; 11. a first spring; 12. a stopper; 13. a limiting groove; 14. a circular hole; 15. a through hole; 16. clamping the column; 17. a baffle plate; 18. a second spring; 19. a pull rod; 20. a limiting rod; 21. a cone-barrel-shaped protective sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an ultrasonic liquid level meter comprises a liquid level meter body 1, wherein a first annular block 2 is slidably sleeved on the liquid level meter body 1, a cylinder 3 is slidably sleeved on the first annular block 2, a corrugated pipe 4 is fixedly adhered to the top of the cylinder 3, a rain shield 5 is fixedly adhered to the top end of the corrugated pipe 4, a second annular block 6 is fixedly adhered to the inner wall of the cylinder 3, four buffer mechanisms which are circularly arranged are arranged at the top of the second annular block 6 and comprise round boxes 7, sliding holes 8 are respectively formed in the inner walls of the top and the bottom of each round box 7, round rods 9 are respectively slidably installed in the two sliding holes 8, one ends, far away from each other, of the two round rods 9 respectively extend out of the corresponding sliding holes 8 and are respectively fixedly adhered to the second annular block 6 and the rain shield 5, one ends, close to each other, of the two round rods 9 respectively extend into the round boxes 7 and are fixedly adhered to a limiting plate 10, one end, close to each other, of the two limiting plates 10 is fixedly adhered to the, two stop blocks 12 are symmetrically adhered and fixed on the inner wall of the cylinder 3, both sides of the first annular block 2 are respectively provided with a limiting groove 13, the two stop blocks 12 are respectively in sliding connection with the corresponding limiting grooves 13, the first annular block 2 is provided with two round holes 14, the inner wall of one side, far away from each other, of the two round holes 14 is provided with a through hole 15, two through holes 15 are respectively and slidably provided with a clamp column 16, the two clamp columns 16 respectively penetrate through the corresponding through holes 15, the end, close to each other, of the two clamp columns 16 is adhered and fixed with a same baffle plate 17, the side, far away from each other, of the two baffle plates 17 is adhered and fixed with a second spring 18, the end, far away from each other, of the two second springs 18 is respectively adhered and fixed with the inner wall of one side, far away from each other, of the two through holes 15, and the two second springs 18 are respectively sleeved on the corresponding, through holes 15 are formed in the two pull rods 19, limiting rods 20 are arranged in the two through holes 15, two ends of each limiting rod 20 are respectively stuck and fixed with the inner walls of two sides of the corresponding through hole 15, and the two limiting rods 20 are respectively in rotary connection with the corresponding pull rods 19;

an oval hole is formed in the pull rod 19, the limiting rod 20 is rotationally connected with the inner wall of the oval hole, a conical barrel-shaped protective sleeve 21 is fixedly adhered to the top of the first annular block 2, the inner wall of the liquid level meter body 1 is in sliding connection with the inner wall of the conical barrel-shaped protective sleeve 21, three support legs which are circularly arranged are fixedly adhered to the bottom of the first annular block 2, a shifting block is fixedly adhered to the bottom end of the pull rod 19, the stiffness coefficient of the first spring 11 is 50N/m, the stiffness coefficient of the second spring 18 is 20N/m, when the liquid level meter body 1 is used outdoors, the first annular block 2 is sleeved on the liquid level meter body 1, the three support legs are in contact with a table board, then the two stop blocks 12 on the cylinder 3 are aligned to the two limiting grooves 13 on the first annular block 3, and the two stop blocks 12 and the two clamping columns 16 are pushed to approach each other when being in contact with each other, when two dogs 12 all moved to the below of the card post 16 that corresponds, under the effect of two second springs 18, two baffles 17 will keep away from each other, thereby two baffles 17 are promoting two card posts 16 again and keeping away from each other and block corresponding dog 12, when rainy or hail, when rain shield 5 receives the impact, rain shield 5 will be close to drum 3, thereby two round bars 9 on the buffer gear will be close to each other, thereby two round bars 9 will extrude first spring 11 through two limiting plates 10, thereby can make the impact force that rain shield 5 received cushion, and bellows 4 can avoid the rainwater to invade level gauge body 1, the utility model discloses the practicality is high, though simple structure, but the steadiness is fine, not only can carry out effectual rain-proof and guard effect to the level gauge.

The working principle is as follows: when the liquid level meter body 1 is used outdoors, the first annular block 2 is sleeved on the liquid level meter body 1, three supporting legs are in contact with a table top, then two stop blocks 12 on the cylinder 3 are aligned to two limiting grooves 13 on the first annular block 3, the two stop blocks 12 and two clamping columns 16 are just in contact to push the two clamping columns 16 to approach each other, when the two stop blocks 12 move to the lower side of the corresponding clamping columns 16, under the action of two second springs 18, the two baffle plates 17 are far away from each other, so that the two baffle plates 17 push the two clamping columns 16 to be far away from each other and block the corresponding stop blocks 12, when the rain shield 5 is impacted in rain or hail, the rain shield 5 is close to the cylinder 3, so that the two round rods 9 on the buffer mechanism are close to each other, so that the two round rods 9 extrude the first springs 11 through the two limiting plates 10, thereby can make the impact force that rain shade 5 received cushion, and bellows 4 can avoid the rainwater to invade level gauge body 1, the utility model discloses the practicality is high, though simple structure, but the steadiness is fine, not only can carry out effectual rain-proof and protection effect to the level gauge.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ultrasonic liquid level meter, includes level gauge body (1), its characterized in that: the improved liquid level meter is characterized in that a first annular block (2) is slidably sleeved on the liquid level meter body (1), a cylinder (3) is slidably sleeved on the first annular block (2), a corrugated pipe (4) is fixedly installed at the top of the cylinder (3), a rain shield (5) is fixedly installed at the top end of the corrugated pipe (4), a second annular block (6) is fixedly installed on the inner wall of the cylinder (3), four buffering mechanisms which are circularly arranged are arranged at the top of the second annular block (6), each buffering mechanism comprises a round box (7), sliding holes (8) are formed in the inner walls of the top and the bottom of the round box (7), round rods (9) are slidably installed in the two sliding holes (8), one ends of the two round rods (9), which are far away from each other, extend to the outside the corresponding sliding holes (8) and are fixedly connected with the second annular block (6) and the rain shield (5) respectively, one end of each round rod (9) close to each other extends into the round box (7) and is fixedly provided with a limiting plate (10), one end of each limiting plate (10) close to each other is fixedly provided with a first spring (11), the inner wall of the cylinder (3) is symmetrically and fixedly provided with two stop blocks (12), both sides of the first annular block (2) are respectively provided with a limiting groove (13), the two stop blocks (12) are respectively in sliding connection with the corresponding limiting grooves (13), the first annular block (2) is provided with two round holes (14), the inner wall of one side of each round hole (14) far away from each other is provided with a through hole (15), the two through holes (15) are respectively provided with a clamping column, the two clamping columns (16) respectively penetrate through the corresponding through holes (15), one end of each clamping column (16) close to each other is fixedly provided with a same baffle (17), the equal fixed mounting in one side that two baffles kept away from each other has second spring (18), the one end that two second springs kept away from each other respectively with two through-holes (15) one side inner wall fixed connection who keeps away from each other, and two second springs (18) slip cover respectively and establish on corresponding card post (16), the bottom of two baffles (17) all articulates there is pull rod (19), be provided with through-hole (15) in two pull rod (19), all be equipped with gag lever post (20) in two through-holes (15), the both ends of two gag lever posts (20) respectively with the both sides inner wall fixed connection of corresponding through-hole (15), two gag lever posts (20) rotate with corresponding pull rod (19) respectively and are connected.

2. An ultrasonic level gauge according to claim 1, wherein: an oval hole is formed in the pull rod (19), and the limiting rod (20) is rotatably connected with the inner wall of the oval hole.

3. An ultrasonic level gauge according to claim 1, wherein: the top of the first annular block (2) is fixedly provided with a conical barrel-shaped protective sleeve (21), and the inner walls of the liquid level meter body (1) and the conical barrel-shaped protective sleeve (21) are connected in a sliding manner.

4. An ultrasonic level gauge according to claim 1, wherein: the bottom of the first annular block (2) is fixedly provided with three support legs which are circularly arranged.

5. An ultrasonic level gauge according to claim 1, wherein: the bottom end of the pull rod (19) is fixedly provided with a shifting block.

6. An ultrasonic level gauge according to claim 1, wherein: the stiffness coefficient of the first spring (11) is 50N/m, and the stiffness coefficient of the second spring (18) is 20N/m.