CN221260167U - Piezoelectric ceramic sensor assembly - Google Patents

Abstract

The utility model discloses a piezoelectric ceramic sensor component, which belongs to the technical field of ceramic sensors and comprises a shell, wherein a movable column is arranged above the shell in a penetrating manner, the bottom of the movable column is fixedly connected with a buffer structure, the buffer structure is positioned above a sensor main body, the sensor main body is arranged on the shell, the upper wall of the shell is fixedly connected with two rope belts, the rope belts are wound on a rope disc, and a rotating shaft is fixedly connected in the rope disc. This piezoceramics sensor subassembly through setting up rope belt, rope reel, fixed knot structure and chute, when the activity post received the impact force for the activity post drives rope belt rapid movement, makes rope belt drive rope reel rapid movement, then pivot rapid movement passes through centrifugal force and chute block with fixed knot structure, with this can play to stop the activity post and continue to move down, avoids external force too big problem that causes the damage to the sensor main part through the activity post.

Description

Piezoelectric ceramic sensor assembly

Technical Field

The utility model belongs to the technical field of ceramic sensors, and particularly relates to a piezoelectric ceramic sensor assembly.

Background

The piezoelectric ceramic sensor is a sensor for measuring pressure change by utilizing the piezoelectric effect, and when the piezoelectric ceramic sensor is used and suddenly encounters the instant impact of larger external force, the instant strong force easily causes destructive damage to the piezoelectric ceramic plate to influence the subsequent use, so that the research of a novel piezoelectric ceramic sensor assembly is of great significance in solving the problems.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides the piezoelectric ceramic sensor assembly, which solves the problems that when the piezoelectric ceramic sensor is used and suddenly encounters the instant impact of a large external force, the instant strong force easily damages the piezoelectric ceramic sheet in a destructive manner, and the subsequent use is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a piezoceramics sensor subassembly, includes the shell, the slip has the activity post to wear to establish in the top of shell, the bottom fixedly connected with buffer structure of activity post, buffer structure is located the top of sensor main part, the sensor main part is installed on the shell, the upper wall fixedly connected with two rope belts of shell, the rope belt winding is on the rope reel, fixedly connected with pivot in the rope reel, the pivot rotates to be connected in two bearings, and two bearings are installed on the activity post, the equal fixedly connected with fixed knot in both ends of pivot constructs, fixed knot corresponds with the fixed disk, fixed disk fixed connection is on the activity post, and has seted up a plurality of inclined slots on the fixed disk.

As a further aspect of the utility model: the buffer structure comprises a first spring, the top end of the first spring is fixedly connected with the movable column, and the bottom end of the first spring is fixedly connected with a buffer plate.

As a further aspect of the utility model: the both ends of rope reel all fixedly connected with torsional spring, the one end and the bearing fixed connection of torsional spring, and the torsional spring cover is established outside the pivot.

As a further aspect of the utility model: the fixed knot constructs including the hole cover, hole cover fixed connection is in the one end of pivot, sliding connection has the limiting plate in the hole cover.

As a further aspect of the utility model: the bottom inclined plane of limiting plate, and the bottom of limiting plate and chute shape looks adaptation.

As a further aspect of the utility model: the top fixedly connected with connecting plate of limiting plate, fixedly connected with second spring between connecting plate and the hole cover.

Compared with the prior art, the utility model has the beneficial effects that:

this piezoceramics sensor subassembly through setting up rope belt, rope reel, fixed knot structure and chute, when the activity post received the impact force for the activity post drives rope belt rapid movement, makes rope belt drive rope reel rapid movement, then pivot rapid movement passes through centrifugal force and chute block with fixed knot structure, with this can play to stop the activity post and continue to move down, avoids external force too big problem that causes the damage to the sensor main part through the activity post.

This piezoceramics sensor subassembly through setting up buffer structure, when the buffer board contacts the sensor main part for first spring produces the compression, then can cushion external force through first spring, and then can play the buffering protection to the sensor main part.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of the present utility model;

FIG. 3 is a schematic diagram of a buffer structure according to the present utility model;

FIG. 4 is a perspective view of a rotary shaft according to the present utility model;

FIG. 5 is a schematic view of a solid structure of the fixing structure of the present utility model;

FIG. 6 is a schematic view showing a structure of a fixing plate according to the present utility model;

In the figure: 1. a housing; 2. a movable column; 3. a buffer structure; 31. a first spring; 32. a buffer plate; 4. a sensor body; 5. a fixed plate; 6. a fixed structure; 61. a hole sleeve; 62. a limiting plate; 63. a second spring; 64. a connecting plate; 7. a rope belt; 8. a torsion spring; 9. rope reel; 10. a rotating shaft; 11. a bearing; 12. and a chute.

Description of the embodiments

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a piezoceramics sensor subassembly, including shell 1, the top of shell 1 wears to establish the slip and has movable post 2, the bottom fixedly connected with buffer structure 3 of movable post 2, buffer structure 3 includes first spring 31, the top and the movable post 2 fixed connection of first spring 31, the bottom fixedly connected with buffer plate 32 of first spring 31, when buffer plate 32 contacts sensor main part 4, make first spring 31 produce the compression, then can cushion external force through first spring 31, and then can play the buffering protection to sensor main part 4, buffer structure 3 is located the top of sensor main part 4, sensor main part 4 is installed on shell 1, the upper wall fixedly connected with two rope belts 7 of shell 1, rope belts 7 twine on rope reel 9, movable post 2 receives great impact force rapid motion, make rope belts 7 drive rope reel 7 fast motion, then can be to the external force buffering to external force through first spring 31, and then can play the buffer protection to the sensor main part 4 through the buffer of outer force of this buffer structure 2, the buffer structure is located above sensor main part 4, sensor main part 2 is avoided this to move down fast and the problem is avoided moving down through the rope reel 2 to continue to move fast, and the buffer structure is broken down;

the rope reel 9 is fixedly connected with the rotating shaft 10, the rotating shaft 10 is rotationally connected in the two bearings 11, the bearings 11 can keep smooth rotation of the rotating shaft 10, the rope reel 9 can smoothly rotate, the two bearings 11 are installed on the movable column 2, the two ends of the rotating shaft 10 are fixedly connected with the fixing structure 6, the fixing structure 6 comprises a hole sleeve 61, the hole sleeve 61 can guide the limiting plate 62, the stable sliding of the limiting plate 62 is kept, the hole sleeve 61 is fixedly connected to one end of the rotating shaft 10, the limiting plate 62 is slidingly connected in the hole sleeve 61, the bottom inclined surface of the limiting plate 62, the bottom of the limiting plate 62 is matched with the shape of the chute 12, the inclined surface of the limiting plate 62 is designed, the bottom area of the limiting plate 62 is small, then the rope reel 9 can smoothly enter the chute 12, the top of the limiting plate 62 is fixedly connected with the connecting plate 64, a second spring 63 is fixedly connected between the connecting plate 64 and the hole sleeve 61, the second spring 63 can keep the limiting plate 62, the limiting plate 62 is prevented from moving randomly, the fixing structure 6 corresponds to the fixing plate 5, the fixing plate 5 is fixedly connected to the movable column 2, the fixing plate 5 is fixedly connected to the chute 5, and the chute 12 is provided with a plurality of circumference fixing points 12, and the circumference of the chute 12 can be arranged in any circle.

The working principle of the utility model is as follows:

When the external force is received by the movable column 2, the movable column 2 moves downwards rapidly, the rope disc 9 stretches rapidly and drives the rope disc 9 to rotate, the rope disc 9 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the hole sleeve 61 and the limiting plate 62 to rotate through centrifugal force, the limiting plate 62 can be thrown out of the chute 12 through centrifugal force, the movement of the movable column 2 can be locked, the sensor main body 4 is prevented from being damaged by large impact force, the movable column 2 moves downwards, and the buffer plate 32 can also contact the sensor main body 4 and compress the first spring 31 to buffer.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims (6)

1. A piezoelectric ceramic sensor assembly comprising a housing (1), characterized in that: the utility model discloses a sensor, including shell (1), movable post (2) are worn to establish in the top of shell (1), the bottom fixedly connected with buffer structure (3) of movable post (2), buffer structure (3) are located the top of sensor main part (4), sensor main part (4) are installed on shell (1), the upper wall fixedly connected with two rope belts (7) of shell (1), rope belt (7) twine on rope dish (9), fixedly connected with pivot (10) in rope dish (9), pivot (10) swivelling joint is in two bearings (11), and two bearings (11) are installed on movable post (2), the equal fixedly connected with fixed knot in both ends of pivot (10) constructs (6), fixed knot constructs (6) and fixed disk (5) correspond, fixed disk (5) fixed connection is on movable post (2), and has seted up a plurality of chute (12) on fixed disk (5).

2. A piezoelectric ceramic sensor assembly according to claim 1, wherein: the buffer structure (3) comprises a first spring (31), the top end of the first spring (31) is fixedly connected with the movable column (2), and the bottom end of the first spring (31) is fixedly connected with a buffer plate (32).

3. A piezoelectric ceramic sensor assembly according to claim 1, wherein: the two ends of the rope disc (9) are fixedly connected with torsion springs (8), one ends of the torsion springs (8) are fixedly connected with bearings (11), and the torsion springs (8) are sleeved outside the rotating shaft (10).

4. A piezoelectric ceramic sensor assembly according to claim 1, wherein: the fixing structure (6) comprises a hole sleeve (61), the hole sleeve (61) is fixedly connected to one end of the rotating shaft (10), and a limiting plate (62) is connected in the hole sleeve (61) in a sliding mode.

5. A piezoelectric ceramic sensor assembly according to claim 4, wherein: the bottom inclined surface of the limiting plate (62) is matched with the shape of the chute (12) at the bottom of the limiting plate (62).

6. A piezoelectric ceramic sensor assembly according to claim 4, wherein: the top of limiting plate (62) fixedly connected with connecting plate (64), fixedly connected with second spring (63) between connecting plate (64) and hole cover (61).