CN219869974U

CN219869974U - Multifunctional vibration sensor

Info

Publication number: CN219869974U
Application number: CN202321113482.2U
Authority: CN
Inventors: 刘卫超
Original assignee: Beijing Zokerz Technology Co ltd
Current assignee: Beijing Zokerz Technology Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-10-20
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses a multifunctional vibration sensor, which relates to the technical field of vibration sensors and comprises a sensor body, wherein a protective shell is fixedly connected to the outer wall of the sensor body, four lugs are fixedly connected to the outer wall of the protective shell at equal intervals along the circumference, contact plates are arranged on the other sides of the four lugs, U-shaped plates are fixedly connected to one sides of the contact plates, which are close to the lugs, of the contact plates, the U-shaped plates are respectively connected with the corresponding lugs in a sliding manner, elastic pieces are arranged between the U-shaped plates and the lugs, the contact plates are matched with the lugs to prolong the contact distance between the sensor body and an external object, so that the external object is firstly contacted with the contact plates when approaching the sensor body, the contact plates are collided with the U-shaped plates to approach the lugs, and meanwhile, the U-shaped plates squeeze first springs in the lugs, so that vibration is absorbed by the first springs, the buffer effect is achieved, and the damage to the sensor body caused by the direct collision of the external object with the sensor body is avoided as much as possible.

Description

Multifunctional vibration sensor

Technical Field

The utility model relates to the technical field of vibration sensors, in particular to a multifunctional vibration sensor.

Background

Vibration sensors are one of the test technologies and function primarily to receive mechanical quantities and convert them into electrical quantities proportional to them. As it is also an electromechanical conversion device. So we sometimes refer to it as a transducer, vibration pickup, etc. The vibration sensor does not directly convert the original mechanical quantity to be measured into electric quantity, but uses the original mechanical quantity to be measured as the input quantity of the vibration sensor, then receives the input quantity by the mechanical receiving part to form another mechanical quantity suitable for conversion, and finally converts the mechanical quantity into electric quantity by the electromechanical conversion part. The operation of a sensor is thus determined by the operation of the mechanical receiving section and the electromechanical transforming section.

According to publication CN109425423B, a vibration sensor has a diaphragm which can be excited to vibrate and a driver for vibrating the diaphragm and/or detecting the vibration of the diaphragm, wherein the driver is an electromagnetically acting driver and comprises a permanent magnet, a coil and at least one bolt coupled to the diaphragm, wherein the driver has a damping element which is embodied and arranged such that it suppresses the interference mode to a greater extent than it suppresses the active mode.

In the above case, the driver has a damping element which is implemented and arranged such that the extent of suppressing the interference mode is greater than the extent of suppressing the effective mode, but the applicant believes that the outside of the vibration sensor in the prior art is not provided with a protection measure, so that the vibration sensor is directly exposed to the outside, and if an unexpected collision occurs, an external object is directly contacted with the vibration sensor, resulting in damage to the vibration sensor, which affects the service life.

Disclosure of Invention

The utility model aims to provide a multifunctional vibration sensor, which aims to effectively solve the problems that the outside of the vibration sensor in the prior art is not provided with a protective measure, so that the vibration sensor is directly exposed, if accidental collision occurs, an external object is directly contacted with the vibration sensor, the vibration sensor is damaged, and the service life is influenced.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a multi-functional vibration sensor, includes the sensor body, fixedly connected with protecting sheathing on the outer wall of sensor body, four according to equidistant fixedly connected with four lugs of circumference, four the opposite side of lug all is provided with the contact plate, the contact plate is close to the equal fixedly connected with U-shaped board in one side of lug, U-shaped board respectively with corresponding lug sliding connection, all be provided with the elastic component between U-shaped board and the lug, but lug and contact plate cooperation extension sensor body and external object contact's distance for external object is close to the sensor body at first with the contact plate touching when the contact plate is close to the sensor body, and the contact plate is close to the lug to the collision with the U-shaped board, and U-shaped board extrudees the inside first spring of lug simultaneously, thereby absorbs vibrations through first spring, is enough to play the cushioning effect, avoids external object direct to bump with the sensor body as far as possible, leads to the sensor body impaired.

As a preferable scheme of the utility model, the first limiting rod is fixedly connected to the middle part inside the protruding block, and the U-shaped plates are both in sliding connection with the first limiting rod.

As a preferable scheme of the utility model, the elastic pieces comprise first springs sleeved outside the first limiting rods, and the first springs are fixedly connected between the U-shaped plates and the inner walls of the convex blocks.

As a preferable scheme of the utility model, the inner walls of the two sides of the lug are fixedly connected with limiting frames, the inner parts of the limiting frames are fixedly connected with second guide rods, the second guide rods are respectively and slidably connected with sliding blocks, one sides of the sliding blocks, which are far away from each other, are respectively and fixedly connected with second springs, the other ends of the second springs are respectively and fixedly connected with the inner parts of the limiting frames, and the second springs are respectively sleeved on the outer sides of the second guide rods.

As a preferable scheme of the utility model, two sides of the U-shaped plate are rotatably connected with transmission rods, and the other ends of the transmission rods are rotatably connected to corresponding sliding blocks.

As a preferable scheme of the utility model, the side of the convex blocks, which is close to the contact plate, is fixedly connected with a first soft cushion.

As a preferable scheme of the utility model, one side of the contact plate, which is close to the convex blocks, is fixedly connected with a second soft cushion.

Compared with the prior art, the utility model has the advantages that:

(1) In order to promote vibration sensor's life, avoid vibration sensor to receive external unexpected collision to lead to damaging as far as possible, protective housing plays the effect of just effective protection to the sensor body outer wall, the contact plate passes through U shaped plate and lug connection, U shaped plate promotes the stability that contact plate and lug are connected with the cooperation of first gag lever post, lug and contact plate cooperation can prolong the distance that sensor body contacted with external object for external object is close to the sensor body at first with the contact plate touching, the contact plate is close to the lug with U shaped plate collided, U shaped plate extrudees the inside first spring of lug simultaneously, thereby absorb vibrations through first spring, be enough to play the effect of buffering, avoid external object direct to bump with the sensor body as far as possible, lead to the sensor body impaired.

(2) In order to further promote the buffer efficiency between contact plate and the lug, when contact plate and U-shaped plate receive the collision to the lug be close to, the U-shaped plate is rotated along the one end of both sides transfer line, the other end of transfer line promotes the slider and slides along the second guide arm, when the second guide arm carries out spacing to the slider, promote the stability when slider displacement, the transfer line push rod slider displacement extrudees the second spring to absorb vibrations through the further absorption of second spring, transfer line and slider multiplicable shock attenuation range, further promote the buffer efficiency between contact plate and the lug.

Drawings

FIG. 1 is a schematic perspective view of the overall structure of a sensor according to the present utility model;

FIG. 2 is a schematic side cross-sectional view of a bump of the present utility model;

fig. 3 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

The reference numerals in the figures illustrate:

1. a sensor body; 2. a protective housing; 3. a bump; 4. a contact plate; 5. a U-shaped plate; 6. a first stop lever; 7. a first spring; 8. a limiting frame; 9. a second guide bar; 10. a slide block; 11. a second spring; 12. a transmission rod; 13. a first cushion; 14. and a second cushion.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

referring to fig. 1 and 2 specifically, a multifunctional vibration sensor includes a sensor body 1, a protective housing 2 is fixedly connected to an outer wall of the sensor body 1, four lugs 3 are fixedly connected to an outer wall of the protective housing 2 at equal intervals along a circumference, a contact plate 4 is arranged on the other side of the four lugs 3, a first soft cushion 13 is fixedly connected to one side of the lug 3, which is close to the contact plate 4, a second soft cushion 14 is fixedly connected to one side of the contact plate 4, which is close to the lug 3, a U-shaped plate 5 is fixedly connected to one side of the contact plate 4, the U-shaped plate 5 is respectively and slidably connected with the corresponding lug 3, an elastic piece is arranged between the U-shaped plate 5 and the lug 3, a first limit rod 6 is fixedly connected to an inner middle portion of the lug 3, the U-shaped plate 5 is slidably connected with the first limit rod 6, the elastic piece comprises a first spring 7 sleeved on the outer side of the first limit rod 6, and the first spring 7 is fixedly connected between the U-shaped plate 5 and the inner wall of the lug 3.

In a further embodiment, in order to prolong the service life of the vibration sensor, damage to the vibration sensor caused by accidental collision of the outside world is avoided as much as possible, the protective housing 2 plays a role in primary protection on the outer wall of the sensor body 1, the contact plate 4 is connected with the bump 3 through the U-shaped plate 5, the cooperation of the U-shaped plate 5 and the first limiting rod 6 promotes the stability of the connection of the contact plate 4 and the bump 3, the bump 3 and the contact plate 4 can prolong the contact distance between the sensor body 1 and an external object, when the external object approaches the sensor body 1, the contact plate 4 is firstly contacted with the contact plate 4, the U-shaped plate 5 is collided to approach the bump 3, and meanwhile, the U-shaped plate 5 extrudes the first spring 7 inside the bump 3, so that vibration is absorbed through the first spring 7, the buffering effect is enough, and the external object is prevented from directly colliding with the sensor body 1 as much as possible, so that the sensor body 1 is damaged;

in addition, the first cushion 13 and the second cushion 14 can be made of rubber or sponge materials, and the first cushion 13 and the second cushion 14 are propped against each other when the contact plate 4 is contacted with the convex blocks 3, so that the contact plate 4 and the convex blocks 3 are protected.

Referring to fig. 2 and 3 specifically, the two inner walls of the two sides of the bump 3 are fixedly connected with a limiting frame 8, the inside of the limiting frame 8 is fixedly connected with a second guide rod 9, the second guide rod 9 is fixedly connected with a sliding block 10 in a sliding manner, two sides of the u-shaped plate 5 are rotatably connected with a transmission rod 12, the other end of the transmission rod 12 is rotatably connected to a corresponding sliding block 10, one sides of the sliding blocks 10 away from each other are fixedly connected with a second spring 11, the other ends of the second springs 11 are fixedly connected to the inside of the limiting frame 8, and the second springs 11 are sleeved on the outer sides of the second guide rod 9.

In a further embodiment, in order to further improve the buffer efficiency between the contact plate 4 and the bump 3, when the contact plate 4 and the U-shaped plate 5 are close to the bump 3 due to collision, one end of the transmission rod 12 at two sides rotates along the U-shaped plate 5, the other end of the transmission rod 12 pushes the sliding block 10 to slide along the second guide rod 9, the second guide rod 9 limits the sliding block 10, meanwhile, stability of the sliding block 10 during displacement is improved, the transmission rod 12 pushes the sliding block 10 to displace and simultaneously presses the second spring 11, so that shock is further absorbed through the second spring 11, the shock absorption amplitude of the transmission rod 12 and the sliding block 10 can be increased, and the buffer efficiency between the contact plate 4 and the bump 3 is further improved.

Working principle:

when the sensor is used, the protective shell 2 plays a role in primary protection on the outer wall of the sensor body 1, the contact plate 4 is connected with the protruding block 3 through the U-shaped plate 5, the protruding block 3 is matched with the contact plate 4 to prolong the contact distance between the sensor body 1 and an external object, so that the external object is firstly contacted with the contact plate 4 when approaching the sensor body 1, the contact plate 4 and the U-shaped plate 5 are collided to approach the protruding block 3, meanwhile, the U-shaped plate 5 presses the first spring 7 in the protruding block 3, so that the first spring 7 absorbs vibration, one end of each of the transmission rods 12 rotates along the U-shaped plate 5, the other end of each of the transmission rods 12 pushes the sliding block 10 to slide along the second guide rod 9, the transmission rods 12 push the sliding block 10 to displace and simultaneously press the second spring 11, the transmission rods 12 further absorb the vibration through the second spring 11, the vibration reduction range can be increased, the buffer effect is achieved, and the external object is prevented from being directly collided with the sensor body 1 as much as possible, and the sensor body 1 is damaged.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.

Claims

1. A multifunctional vibration sensor, comprising a sensor body (1), characterized in that: the sensor is characterized in that a protective housing (2) is fixedly connected to the outer wall of the sensor body (1), four lugs (3) are fixedly connected to the outer wall of the protective housing (2) at equal intervals according to the circumference, contact plates (4) are arranged on the other sides of the lugs (3), U-shaped plates (5) are fixedly connected to one sides, close to the lugs (3), of the contact plates (4), the U-shaped plates (5) are respectively connected with the corresponding lugs (3) in a sliding mode, and elastic pieces are arranged between the U-shaped plates (5) and the lugs (3).

2. A multi-function vibration sensor according to claim 1, wherein: the middle part inside of lug (3) fixedly connected with first gag lever post (6), U shaped board (5) all with first gag lever post (6) sliding connection.

3. A multi-function vibration sensor according to claim 2, wherein: the elastic pieces comprise first springs (7) sleeved outside the first limiting rods (6), and the first springs (7) are fixedly connected between the U-shaped plates (5) and the inner walls of the protruding blocks (3).

4. A multi-function vibration sensor according to claim 1, wherein: all fixedly connected with spacing (8) in the both sides inner wall of lug (3), the inside of spacing (8) is equal fixedly connected with second guide arm (9), equal sliding connection has slider (10) on second guide arm (9), the equal fixedly connected with second spring (11) in one side that slider (10) kept away from each other, the inside of the equal fixedly connected with spacing (8) of the other end of second spring (11), just the outside of second guide arm (9) is all located to second spring (11) cover.

5. A multi-function vibration sensor according to claim 4, wherein: both sides of the U-shaped plate (5) are rotationally connected with a transmission rod (12), and the other ends of the transmission rods (12) are rotationally connected to corresponding sliding blocks (10).

6. A multi-function vibration sensor according to claim 1, wherein: and one side of each bump (3) close to the contact plate (4) is fixedly connected with a first soft cushion (13).

7. A multi-function vibration sensor according to claim 1, wherein: and a second soft cushion (14) is fixedly connected to one side of the contact plate (4) close to the convex blocks (3).