CN213419775U

CN213419775U - Anti-falling displacement sensor

Info

Publication number: CN213419775U
Application number: CN202021967300.4U
Authority: CN
Inventors: 孙广东; 刘佳
Original assignee: Beijing Sanmao Construction Engineering Testing And Identification Co ltd
Current assignee: Beijing Sanmao Construction Engineering Testing And Identification Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-06-11
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to the technical field of electronics, and discloses a drop-proof displacement sensor, which comprises a drop-proof plate, wherein four contraction rods are connected around the inner wall of the drop-proof plate, one end of a first connecting rod is connected with a limiting ring, a groove is arranged inside the first connecting rod, a spring is connected inside the groove, one end of the spring is connected with a second connecting rod, the second connecting rod is connected with a group of limiting blocks, the other end of the second connecting rod is connected with an arc-shaped plate, one side of the arc-shaped plate is connected with a sensor body, the utility model can make the first connecting rod move in a telescopic way inside the second connecting rod through the elastic action of the spring through the first connecting rod, the spring and the second connecting rod, and during the dropping process of the sensor body, the drop-proof plate firstly contacts the ground, acts on the gravity on the sensor, and can buffer through the spring and the drop-, the sensor body is favorable for solving the problem that the damage of the internal elements is influenced due to the falling of the sensor body.

Description

Anti-falling displacement sensor

Technical Field

The utility model relates to the field of electronic technology, specifically a displacement sensor who prevents falling.

Background

The displacement sensor is also called a linear sensor, and belongs to a metal induction linear device, and mechanical displacement is converted into resistance or voltage output in a linear or any function relation with the mechanical displacement through a potentiometer element.

There are multiple displacement sensor in the existing market, but these displacement sensor ubiquitous easy wearing and tearing problem, mainly in the use, because staff misoperation leads to the sensor to drop, and then influences the internal component and damage unable use, consequently, the technical personnel in the art provide one kind and prevent displacement sensor who falls to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a displacement sensor who prevents falling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a displacement sensor who prevents falling, is including preventing falling the board, the inner wall that prevents falling the board all is connected with four shrink poles, four all around the inside of shrink pole is including connecting the head rod of preventing falling the inboard wall, the head rod is kept away from the one end of preventing falling the inboard wall and is connected with the spacing ring, the recess has been seted up to the inside of head rod, the internal connection of recess has the spring, the one end of spring is connected with the second connecting rod, the one end outside that the second connecting rod is close to the spring is connected with a set of stopper, the other end of second connecting rod is connected with the arc, one side of arc is connected with the sensor body.

As a further aspect of the present invention: the outer side of the anti-falling plate is correspondingly provided with a group of screw holes, the inner parts of the screw holes are respectively connected with a first screw rod and a second screw rod, and one ends of the first screw rod and the second screw rod are respectively connected with a first clamping block and a second clamping block.

As a further aspect of the present invention: the fillet has all been seted up to the one end that the screw was kept away from to the arc.

As a further aspect of the present invention: the first clamping block and the second clamping block are both made of rubber materials.

As a further aspect of the present invention: the first screw rod, the second screw rod and the anti-falling plate are connected through screw bolts.

As a further aspect of the present invention: the position of the limiting block corresponds to that of the limiting ring.

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

1. through first connecting rod, spring and second connecting rod, through the elastic action of spring, make the first connecting rod can do flexible removal in the inside of second connecting rod, at the sensor body in-process that falls, prevent that the board that falls contacts to the ground at first, act on the gravity on the sensor, can cushion through the spring with preventing falling the board, be favorable to solving the sensor body and fall and influence the problem that the internal element damaged.

2. Through first screw rod, first clamp splice, second screw rod and second clamp splice, rotate first screw rod and second screw rod to the inboard simultaneously to shorten the distance between first clamp splice and the second clamp splice, tightly with the centre gripping of sensor body through the both sides clamp splice with prevent falling the board and fix together, be favorable to the sensor body at the in-process that bumps, prevent to break away from the shrink pole is inside, cause the damage.

Drawings

FIG. 1 is a schematic structural diagram of an anti-fall displacement sensor;

FIG. 2 is a front cross-sectional view of an anti-crash plate of an anti-crash displacement sensor;

FIG. 3 is a front cross-sectional view of a collapsible rod of an anti-fall displacement sensor;

fig. 4 is a side sectional view of an anti-fall plate in an anti-fall displacement sensor.

In the figure: 1. a fall-resistant plate; 2. a sensor body; 3. a screw hole; 4. a first screw; 41. a first clamping block; 5. a retracting lever; 51. a first connecting rod; 52. a spring; 53. a limiting block; 54. a second connecting rod; 55. a groove; 56. a limiting ring; 6. an arc-shaped plate; 7. a second screw; 71. and a second clamping block.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, an anti-drop displacement sensor, including preventing falling board 1, the inner wall of preventing falling board 1 all is connected with four shrink poles 5 all around, the inside of four shrink poles 5 is including connecting the head rod 51 at preventing falling board 1 inner wall, the one end that head rod 51 kept away from and prevents falling board 1 inner wall is connected with spacing ring 56, recess 55 has been seted up to head rod 51's inside, the internal connection of recess 55 has spring 52, spring 52's one end is connected with second connecting rod 54, the one end outside that second connecting rod 54 is close to spring 52 is connected with a set of stopper 53, the other end of second connecting rod 54 is connected with arc 6, one side of arc 6 is connected with sensor body 2.

In fig. 4: the outside of preventing falling board 1 corresponds has seted up a set of screw 3, the inside of a set of screw 3 is connected with first screw rod 4 and second screw rod 7 respectively, the one end of first screw rod 4 and second screw rod 7 is connected with first clamp splice 41 and second clamp splice 71 respectively, simultaneously to inboard rotatory first screw rod 4 and second screw rod 7, with shorten the distance between first clamp splice 41 and the second clamp splice 71, tightly with sensor body 2 through the centre gripping of both sides clamp splice with prevent falling board 1 and fix together.

In fig. 4: the fillet has all been seted up to the one end that screw 3 was kept away from to arc 6, aims at the space between four shrink poles 5 with 2 one end of sensor body, slides in the fillet of 6 one end of arc along 2 one end of sensor body, makes four shrink poles 5 block sensor body 2.

In fig. 4: the first clamping block 41 and the second clamping block 71 are both made of rubber materials, and the first clamping block 41 and the second clamping block 71 are tightly connected with the sensor body 2 by rotating the first screw rod 4 and the second screw rod 7, so that on one hand, the friction resistance with the sensor body 2 is improved, the firmness is improved, and on the other hand, the abrasion on the surface of the sensor body 2 is reduced.

In fig. 4: first screw rod 4, second screw rod 7 all pass through screw 3 bolted connection with preventing falling board 1, under the effect of screw 3, rotate first screw rod 4, second screw rod 7 simultaneously to preventing falling board 1 outside, make the distance between first clamp splice 41 and the second clamp splice 71 increase, can follow and prevent falling the inside taking out of board 1 with sensor body 2.

In fig. 3: the position of the limiting block 53 corresponds to that of the limiting ring 56, and the limiting block 53 and the limiting ring 56 limit the maximum distance between the first connecting rod 51 and the second connecting rod 54.

The utility model discloses a theory of operation is: when needing to use this kind of displacement sensor who prevents falling, aim at the space between four shrink pole 5 with sensor body 2 one end, slide in sensor body 2 one end along the fillet of arc 6 one end, make second connecting rod 54 oppress spring 52, under the elastic action of spring 52, with arc 6 and sensor body 2 zonulae occludens, inwards rotate first screw rod 4 and second screw rod 7 simultaneously afterwards to shorten the distance between first clamp splice 41 and the second clamp splice 71, tightly fix sensor body 2 together with preventing falling through the centre gripping of both sides clamp splice.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An anti-falling displacement sensor comprises an anti-falling plate (1), and is characterized in that four contraction rods (5) are connected to the periphery of the inner wall of the anti-falling plate (1), the four contraction rods (5) comprise first connecting rods (51) connected to the inner wall of the anti-falling plate (1), one end of the first connecting rod (51) far away from the inner wall of the anti-falling plate (1) is connected with a limiting ring (56), a groove (55) is formed in the first connecting rod (51), a spring (52) is connected in the groove (55), one end of the spring (52) is connected with a second connecting rod (54), the outer side of one end of the second connecting rod (54) close to the spring (52) is connected with a group of limiting blocks (53), the other end of the second connecting rod (54) is connected with an arc-shaped plate (6), and one side of the arc-shaped plate (6) is connected with a sensor body (2).

2. The anti-falling displacement sensor according to claim 1, wherein a group of screw holes (3) are correspondingly formed in the outer side of the anti-falling plate (1), a first screw rod (4) and a second screw rod (7) are respectively connected to the inner parts of the group of screw holes (3), and a first clamping block (41) and a second clamping block (71) are respectively connected to one ends of the first screw rod (4) and the second screw rod (7).

3. The anti-falling displacement sensor according to claim 1, wherein the ends of the arc-shaped plates (6) far away from the screw holes (3) are provided with round corners.

4. A fall-resistant displacement sensor according to claim 2, wherein the first clamp block (41) and the second clamp block (71) are both made of a rubber material.

5. The anti-falling displacement sensor according to claim 2, wherein the first screw (4), the second screw (7) and the anti-falling plate (1) are connected through screw holes (3) by bolts.

6. The fall-resistant displacement sensor according to claim 1, wherein the position of the limit stop (53) corresponds to the position of the limit ring (56).