CN216558992U

CN216558992U - Piezoelectric composite ceramic sensor

Info

Publication number: CN216558992U
Application number: CN202122521656.6U
Authority: CN
Inventors: 徐兴才; 徐雷; 严群丰
Original assignee: Wuxi Shengsai Sensing Technology Co ltd
Current assignee: Wuxi Shengsai Sensing Technology Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-17
Anticipated expiration: 2031-10-20

Abstract

The utility model belongs to the technical field of sensors, and particularly relates to a piezoelectric composite ceramic sensor which comprises a sensor body and an installation piece, wherein an installation opening is formed in the middle of the installation piece, a clamping mechanism is arranged on the back surface of the installation piece, installation grooves are symmetrically formed in two side walls of the installation opening, telescopic sleeves are fixed in the installation grooves, and clamping blocks are fixed at one ends of the two telescopic sleeves. According to the utility model, the mounting piece and the mounting hole are arranged, the mounting piece can be fixedly mounted at a proper position, the sensor can be detachably mounted on the mounting piece, the mounting opening, the clamping block, the clamping groove, the telescopic sleeve and the first spring are arranged, the sensors with different shapes can be clamped in the mounting opening when the sensor is mounted, and the sensor bodies with different shapes suspended in the mounting opening can be clamped and fixed by arranging the clamping mechanism, so that the sensor mounting device has strong applicability and is very convenient to dismount and mount the sensor.

Description

Piezoelectric composite ceramic sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a piezoelectric composite ceramic sensor.

Background

Compared with metal sensor materials, the ceramic sensor material has the main characteristics of high elastic performance, small hysteresis, good fatigue resistance, long-term stability and corrosion resistance in small displacement, and the stress-strain relationship of the ceramic before crushing is always linear and is most suitable for manufacturing elastic elements under high-temperature work.

Piezoelectric ceramic sensors have become key components of various control systems and detection instruments and are widely applied to vibration and impact measurement of airplanes, automobiles, ships, bridges and buildings, but the conventional ceramic sensors are usually installed on the automobiles by screws, and if the sensors have problems and need to be replaced and repaired, the screws need to be repeatedly screwed, so that troubles are brought to the work of operators, and therefore, the piezoelectric composite ceramic sensor is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the deficiencies of the prior art, the present invention provides a piezoelectric composite ceramic sensor, which solves the problems set forth in the background art.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

the utility model provides a piezocomposite ceramic sensor, includes sensor body and installed part, the installing port has been seted up at the middle part of installed part, the back of installed part is provided with fixture, the mounting groove has been seted up to the both sides wall symmetry of installing port, all be fixed with the telescope tube in the mounting groove, two the one end of telescope tube all is fixed with the fixture block, the surface of telescope tube is all around establishing and being fixed with first spring, the both ends of first spring respectively with a lateral wall of corresponding fixture block and a lateral wall fixed connection of installing port, the draw-in groove has been seted up to sensor body's surface symmetry, two a lateral wall of fixture block respectively with the inner wall in close contact with of corresponding draw-in groove.

Further, fixture includes that the symmetry fixes the fixed plate at the installed part back, the bottom of fixed plate or the equal equidistance in top are fixed with the second spring, and are corresponding the top or the bottom of second spring all are fixed with splint, the bottom or the top of splint all with the surperficial in close contact with of sensor body, one of them the middle part sliding connection of fixed plate has the L board, the bottom of L board and the top fixed connection of adjacent splint.

Further, fixture still includes the bull stick of connecting at the installed part back through the bearing rotation, the surface cover of bull stick is established and is fixed with the gear, one of them the bottom of splint is fixed with first rack, another the top of splint is fixed with the second rack, first rack and second rack all with gear engagement.

Furthermore, the clamping plate is symmetrically fixed with limiting blocks on the front surface, the limiting grooves are symmetrically formed in the back surface of the mounting part, and the limiting blocks are respectively connected in the corresponding limiting grooves in a sliding mode.

Furthermore, the bottom of one of the clamping plates is provided with a sliding opening matched with the first rack.

Further, a mounting hole is symmetrically formed in one side wall of the mounting piece.

(III) advantageous effects

Compared with the prior art, the utility model provides a piezoelectric composite ceramic sensor, which has the following beneficial effects:

according to the utility model, the mounting piece and the mounting hole are arranged, the mounting piece can be fixedly mounted at a proper position, the sensor can be detachably mounted on the mounting piece, the sensors with different shapes can be clamped in the mounting hole firstly when the sensor is mounted, and the sensor bodies with different shapes suspended in the mounting hole can be clamped and fixed by arranging the clamping mechanism, so that the sensor mounting device is high in applicability and very convenient to detach and mount the sensor.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partially sectioned diagrammatic view of a mount of the present invention;

FIG. 3 is a schematic view of the back side of the mount of the present invention;

FIG. 4 is a schematic view of a card slot structure of the present invention

Fig. 5 is a schematic structural diagram of the limiting block of the present invention.

In the figure: 1. a sensor body; 2. a mounting member; 3. an installation port; 4. a clamping mechanism; 401. a fixing plate; 402. a second spring; 403. a splint; 404. an L plate; 405. a rotating rod; 406. a gear; 407. a first rack; 408. a second rack; 409. a limiting block; 410. a limiting groove; 411. a sliding port; 5. mounting grooves; 6. a telescopic sleeve; 7. a clamping block; 8. a first spring; 9. a card slot; 10. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1, 2 and 4, a piezoelectric composite ceramic sensor according to an embodiment of the present invention includes a sensor body 1 and an installation member 2, wherein an installation opening 3 is formed in the middle of the installation member 2, a clamping mechanism 4 is disposed on the back surface of the installation member 2, installation grooves 5 are symmetrically formed in two side walls of the installation opening 3, telescopic sleeves 6 are fixed in the installation grooves 5, clamping blocks 7 are fixed at one ends of the two telescopic sleeves 6, first springs 8 are wound around the surfaces of the telescopic sleeves 6, two ends of each first spring 8 are respectively and fixedly connected to one side wall of the corresponding clamping block 7 and one side wall of the installation opening 3, clamping grooves 9 are symmetrically formed in the surface of the sensor body 1, and one side walls of the two clamping blocks 7 are respectively in close contact with inner walls of the corresponding clamping grooves 9; to sum up, installed part 2 passes through screw fixed mounting in suitable position, when needing to pull down sensor body 1, operation fixture 4 can remove its surface to sensor body 1 and exert pressure, thereby can make sensor body 1 can move about, just can move about sensor body 1 and make it extrude one of them first spring 8, break away from the draw-in groove 9 with fixture block 7 of opposite side, can be with very convenient taking out sensor body 1, when needing to install again, operate fixture 4 earlier and pass installing port 3 with sensor body 1's one end, and carry out the block with two fixture blocks 7 and corresponding draw-in grooves 9, stop operating fixture 4, just can be with sensor body 1 in installing port 3, and this structure can the sensor of the centre gripping fixed different shapes, the suitability is stronger.

As shown in fig. 3, in some embodiments, the clamping mechanism 4 includes fixing plates 401 symmetrically fixed on the back of the mounting member 2, second springs 402 are fixed on the bottom or top of the fixing plates 401 at equal intervals, clamping plates 403 are fixed on the top or bottom of the corresponding second springs 402, the bottom or top of the clamping plates 403 is in close contact with the surface of the sensor body 1, an L-shaped plate 404 is slidably connected to the middle of one of the fixing plates 401, the bottom of the L-shaped plate 404 is fixedly connected to the top of the adjacent clamping plate 403, and moving the L-shaped plate 404 upward can drive one of the clamping plates 403 to press the second spring 402 upward, i.e., can drive the one of the clamping plates 403 to release the close contact with the sensor body 1.

As shown in fig. 3, in some embodiments, the clamping mechanism 4 further includes a rotating rod 405 rotatably connected to the back surface of the mounting member 2 through a bearing, a gear 406 is fixed on a surface of the rotating rod 405, a first rack 407 is fixed at a bottom of one of the clamping plates 403, a second rack 408 is fixed at a top of the other clamping plate 403, both the first rack 407 and the second rack 408 are engaged with the gear 406, one of the clamping plates 403 moves upward to drive the first rack 407 to move upward, the first rack 407 can drive the gear 406 to rotate, thereby driving the second rack 408 to move downward, the second rack 408 can drive the other clamping plate 403 to press the second spring 402 downward, thereby releasing the other clamping plate 403 from close contact with the surface of the sensor body 1.

As shown in fig. 3 and 5, in some embodiments, the front surfaces of the clamping plates 403 are symmetrically fixed with limiting blocks 409, the back surfaces of the mounting members 2 are symmetrically provided with limiting grooves 410, and the limiting blocks 409 are respectively slidably connected in the corresponding limiting grooves 410 so as to limit the positions of the two clamping plates 403 during the moving process.

As shown in fig. 3, in some embodiments, a sliding opening 411 adapted to the first rack 407 is formed at the bottom of one of the clamping plates 403, so that the first rack 407 can smoothly pass through the clamping plate 403 when the engaging gear 406 rotates.

As shown in fig. 1, in some embodiments, a side wall of the mounting member 2 is symmetrically provided with mounting holes 10, so as to facilitate mounting of the mounting member 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a piezocomposite ceramic sensor, includes sensor body (1) and installed part (2), its characterized in that: installing port (3) have been seted up at the middle part of installed part (2), the back of installed part (2) is provided with fixture (4), mounting groove (5) have been seted up to the both sides wall symmetry of installing port (3), all be fixed with telescopic sleeve (6), two in mounting groove (5) the one end of telescopic sleeve (6) all is fixed with fixture block (7), the surface of telescopic sleeve (6) all is fixed with first spring (8) around establishing, the both ends of first spring (8) respectively with a lateral wall of corresponding fixture block (7) and a lateral wall fixed connection of installing port (3), draw-in groove (9), two have been seted up to the surface symmetry of sensor body (1) a lateral wall of fixture block (7) respectively with the inner wall in close contact with of corresponding draw-in groove (9).

2. A piezoelectric composite ceramic sensor according to claim 1, wherein: fixture (4) are fixed at fixed plate (401) at the installed part (2) back including the symmetry, the bottom or the equal equidistance in top of fixed plate (401) are fixed with second spring (402), and are corresponding the top or the bottom of second spring (402) all are fixed with splint (403), the bottom or the top of splint (403) all with the surperficial in close contact with of sensor body (1), one of them the middle part sliding connection of fixed plate (401) has L board (404), the bottom of L board (404) and the top fixed connection of adjacent splint (403).

3. A piezoelectric composite ceramic sensor according to claim 2, wherein: the clamping mechanism (4) further comprises a rotating rod (405) which is rotatably connected to the back face of the mounting part (2) through a bearing, a gear (406) is fixedly arranged on the surface of the rotating rod (405) in a sleeved mode, a first rack (407) is fixedly arranged at the bottom of one clamping plate (403), a second rack (408) is fixedly arranged at the top of the other clamping plate (403), and the first rack (407) and the second rack (408) are meshed with the gear (406).

4. A piezoelectric composite ceramic sensor according to claim 2, wherein: the splint (403) are symmetrically fixed with limiting blocks (409) on the front surface, limiting grooves (410) are symmetrically formed in the back surface of the mounting part (2), and the limiting blocks (409) are respectively connected in the corresponding limiting grooves (410) in a sliding mode.

5. A piezoelectric composite ceramic sensor according to claim 3, wherein: the bottom of one of the clamping plates (403) is provided with a sliding opening (411) matched with the first rack (407).

6. A piezoelectric composite ceramic sensor according to claim 1, wherein: and a mounting hole (10) is symmetrically formed in one side wall of the mounting piece (2).