CN213238962U

CN213238962U - Protective device for photoelectric sensor

Info

Publication number: CN213238962U
Application number: CN202022089510.4U
Authority: CN
Inventors: 郝伟
Original assignee: Tianjin Langteng Technology Co ltd
Current assignee: Tianjin Langteng Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-18
Anticipated expiration: 2030-09-22

Abstract

The utility model belongs to the field of photoelectric sensor accessories, in particular to a protective device for a photoelectric sensor, which comprises a protective shell and a glass plate, wherein the inner side of the protective shell is slidably connected with two L-shaped positioning plates which are symmetrically distributed, the inner side of the protective shell is slidably connected with four sliding blocks, the four sliding blocks are divided into two groups, and a connecting rod is fixedly connected between the two sliding blocks in each group; spacing to the sensor through L shape locating plate, the sensor receives the shutoff of L shape locating plate can't deviate from this moment, laminating layer through the clamp plate bottom is spacing fixed with the sensor, reduce the activity space of sensor in the protecting sheathing, thereby prevent that the sensor from rocking, increased the stability of sensor, make the protecting sheathing protect the sensor, reduce the contact with outside impurity, and this scheme simple to operate simple structure, need not to change current sensor, thereby further improved the practicality.

Description

Protective device for photoelectric sensor

Technical Field

The utility model belongs to photoelectric sensor accessory field specifically is a protector for photoelectric sensor.

Background

A photosensor is a device that converts an optical signal into an electrical signal. The working principle is based on the photoelectric effect. The photoelectric effect refers to a phenomenon that when light irradiates on some substances, electrons of the substances absorb energy of photons to generate corresponding electric effect, and the photoelectric effect is divided into three types according to different photoelectric effect phenomena, namely an external photoelectric effect, an internal photoelectric effect and a photovoltaic effect.

The existing photoelectric sensor is usually exposed and installed outside for convenient observation, the installation mode is polluted by dust impurities and smoke, and aging is accelerated probably due to the influence of external factors, so that the service life is shortened, the possibility of damage is increased, and the maintenance work is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protector for photoelectric sensor 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:

a protective device for a photoelectric sensor comprises a protective shell and a glass plate, wherein the inner side of the protective shell is connected with two L-shaped positioning plates which are symmetrically distributed in a sliding manner, the inner side of the protective shell is connected with four sliding blocks in a sliding manner, the four sliding blocks are divided into two groups, a connecting rod is fixedly connected between the two sliding blocks in each group, one of the sliding blocks is fixedly connected with the L-shaped positioning plate, one end of the sliding block is fixedly connected with a pressing plate, one end of the pressing plate is fixedly connected with an attaching layer, four sliding grooves matched with the sliding blocks are arranged inside the protective shell, the sliding block is connected with the sliding groove in a sliding way, the two L-shaped positioning plates are fixedly connected with two limiting blocks, the stopper with protective housing sliding connection, the upper and lower both sides wall of protective housing all is equipped with logical groove.

As a further aspect of the present invention: four mounting grooves matched with the limiting blocks are formed in the inner wall of the protective shell, and the limiting blocks are connected in the mounting grooves in a sliding mode.

As a further aspect of the present invention: fixedly connected with first extension spring in the mounting groove, the stopper with first extension spring fixed connection.

As a further aspect of the present invention: the sliding groove is fixedly connected with a second tension spring, and the sliding block is fixedly connected with the second tension spring.

As a further aspect of the present invention: two through grooves are formed in the protective shell, and the glass plate is fixedly connected in the through grooves.

As a further aspect of the present invention: the laminating layer is made of rubber materials.

As a further aspect of the present invention: and a pulling handle is fixedly connected to one side wall of the L-shaped positioning plate.

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

when the photoelectric sensor is installed, the two L-shaped positioning plates are pulled towards the outer side of the protective shell, so that the first tension spring and the first tension spring are compressed, the sensor is inserted into the protective shell in a sliding mode until the sensor completely enters the protective shell, the pulling on the L-shaped positioning plates is relieved, the first tension spring rebounds to push the limiting block, the L-shaped positioning plates limit the position of the sensor, the sensor cannot be separated when being blocked by the L-shaped positioning plates, the second tension spring pushes the sliding block due to rebounding while the first tension spring rebounds to push the limiting block, the laminating layer at the bottom of the pressing plate limits and fixes the sensor, the moving space of the sensor in the protective shell is reduced, the sensor is prevented from shaking, the stability of the sensor is improved, the protective shell protects the sensor, and the contact with external impurities is reduced, and this scheme simple to operate simple structure need not to change current sensor to the practicality has further been improved.

Drawings

FIG. 1 is a schematic structural view of a protective device for a photosensor;

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

FIG. 3 is a schematic view of a protective cover and a glass plate in a protective device for a photosensor;

fig. 4 is a side sectional view of a protective case in a protector for a photosensor.

In the figure: 1. a protective shell; 101. a through groove; 11. mounting grooves; 12. a first tension spring; 2. an L-shaped positioning plate; 201. pulling the handle; 21. a slider; 211. pressing a plate; 212. laminating layers; 22. a connecting rod; 23. a limiting block; 3. a sliding groove; 31. a second tension spring; 4. a glass plate.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present invention, a protection device for a photoelectric sensor comprises a protection casing 1 and a glass plate 4, two L-shaped positioning plates 2 symmetrically distributed are slidably connected to the inner side of the protection casing 1, four sliding blocks 21 are slidably connected to the inner side of the protection casing 1, the four sliding blocks 21 are divided into two groups, a connecting rod 22 is fixedly connected between the two sliding blocks 21 in each group, one of the sliding blocks 21 is fixedly connected with the L-shaped positioning plates 2, one end of the sliding block 21 is fixedly connected with a pressing plate 211, one end of the pressing plate 211 is fixedly connected with an attaching layer 212, four sliding grooves 3 matched with the sliding blocks 21 are formed in the protective shell 1, the sliding blocks 21 are slidably connected with the sliding grooves 3, two L-shaped positioning plates 2 are fixedly connected with two limiting blocks 23, the limiting blocks 23 are slidably connected with the protective shell 1, and the upper side wall and the lower side wall of the protective shell 1 are respectively provided with a through groove 101; when the photoelectric sensor is installed, the two L-shaped positioning plates 2 are pulled towards the outer side of the protective shell 1, so that the limit blocks 23 slide towards the mounting grooves 11, the first tension springs 12 contract under pressure, at the same time, the sliding blocks 21 slide towards the inner sides of the sliding grooves 3 due to the sliding of the L-shaped positioning plates 2, so that the second tension springs 31 contract, the sensor is then slidably inserted into the protective shell 1 until the sensor completely enters the protective shell 1, at the same time, the pulling on the L-shaped positioning plates 2 is released, so that the limit blocks 23 are rebounded and pushed by the first tension springs 12, the L-shaped positioning plates 2 limit the sensor, at the same time, the sensor cannot be separated from the blockage of the L-shaped positioning plates 2, and when the limit blocks 23 are rebounded and pushed by the first tension springs 12, the sliding blocks 21 are also pushed by the second tension springs 31 due to rebound, with the spacing fixed of sensor, reduce the activity space of sensor in protective housing 1 to prevent that the sensor from rocking, increased the stability of sensor, make protective housing 1 protect the sensor, reduce with the contact of outside impurity, and this scheme simple to operate simple structure need not to change current sensor, thereby has further improved the practicality.

In fig. 1 and 4: the inner wall of the protective shell 1 is provided with four mounting grooves 11 matched with the limiting blocks 23, the limiting blocks 23 are connected in the mounting grooves 11 in a sliding mode, the mounting grooves 11 are fixedly connected with first tension springs 12, and the limiting blocks 23 are fixedly connected with the first tension springs 12; after the sensor is inserted into the protective shell 1, the L-shaped positioning plates 2 are released from being pulled, so that the first tension springs 12 push the limiting blocks 23 in the rebounded state, the distance between the two L-shaped positioning plates 2 is reduced, the L-shaped positioning plates 2 are limited to the sensor, the sensor is blocked by the L-shaped positioning plates 2 and cannot be separated, and the sensor is installed.

In fig. 2: a second tension spring 31 is fixedly connected in the sliding groove 3, and the sliding block 21 is fixedly connected with the second tension spring 31; the reaction force of the second tension spring 31 pushes the sliding block 21 to the direction of the sensor in the protective shell 1, so that the laminating layer 212 at the bottom of the pressing plate 211 is in contact with the sensor, the sensor is limited and fixed, the moving space of the sensor in the protective shell 1 is reduced, and the stability of the sensor after installation is improved.

In fig. 3: the protective shell 1 is provided with two through grooves 101, and a glass plate 4 is fixedly connected in the through grooves 101; the glass plate 4 arranged in the through groove 101 is convenient for an operator to observe the state of the sensor in the protective shell 1.

In fig. 2: the laminating layer 212 is made of rubber; the adhesive layer 212 is arranged to increase the friction force between the pressing plate 211 and the sensor, and prevent the pressing plate 211 from directly contacting the sensor to wear the sensor.

In fig. 1: a pulling handle 201 is fixedly connected to one side wall of the L-shaped positioning plate 2; the pulling handle 201 is convenient for an operator to pull the L-shaped positioning plate 2.

The utility model discloses a theory of operation is: when the photoelectric sensor is installed, the two L-shaped positioning plates 2 are pulled towards the outer side of the protective shell 1, so that the limit blocks 23 slide towards the mounting grooves 11, the first tension springs 12 contract under pressure, at the same time, the sliding blocks 21 slide towards the inner sides of the sliding grooves 3 due to the sliding of the L-shaped positioning plates 2, so that the second tension springs 31 contract, the sensor is then slidably inserted into the protective shell 1 until the sensor completely enters the protective shell 1, at the same time, the pulling on the L-shaped positioning plates 2 is released, so that the limit blocks 23 are rebounded and pushed by the first tension springs 12, the L-shaped positioning plates 2 limit the sensor, at the same time, the sensor cannot be separated from the blockage of the L-shaped positioning plates 2, and when the limit blocks 23 are rebounded and pushed by the first tension springs 12, the sliding blocks 21 are also pushed by the second tension springs 31 due to rebound, with the spacing fixed of sensor, reduce the activity space of sensor in protective housing 1 to prevent that the sensor from rocking, increased the stability of sensor, make protective housing 1 protect the sensor, reduce with the contact of outside impurity, and this scheme simple to operate simple structure need not to change current sensor, thereby has further improved the practicality.

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. The protection device for the photoelectric sensor comprises a protective shell (1) and a glass plate (4), and is characterized in that two L-shaped positioning plates (2) which are symmetrically distributed are connected to the inner side of the protective shell (1) in a sliding manner, four sliding blocks (21) are connected to the inner side of the protective shell (1) in a sliding manner, the four sliding blocks (21) are divided into two groups, a connecting rod (22) is fixedly connected between the two sliding blocks (21) in each group, one sliding block (21) is fixedly connected with the L-shaped positioning plate (2), a pressing plate (211) is fixedly connected to one end of each sliding block (21), an attaching layer (212) is fixedly connected to one end of each pressing plate (211), four sliding grooves (3) matched with the sliding blocks (21) are formed in the protective shell (1), and the sliding blocks (21) are slidably connected with the sliding grooves (3), two equal fixedly connected with two stopper (23) of L shape locating plate (2), stopper (23) with protective housing (1) sliding connection, the upper and lower both sides wall of protective housing (1) all is equipped with logical groove (101).

2. The protection device for the photoelectric sensor according to claim 1, wherein the inner wall of the protective shell (1) is provided with four mounting grooves (11) matched with the limiting blocks (23), and the limiting blocks (23) are slidably connected in the mounting grooves (11).

3. The protection device for the photoelectric sensor is characterized in that a first tension spring (12) is fixedly connected in the mounting groove (11), and the limit block (23) is fixedly connected with the first tension spring (12).

4. A protection device for a photoelectric sensor according to claim 1, wherein a second tension spring (31) is fixedly connected in the sliding groove (3), and the sliding block (21) is fixedly connected with the second tension spring (31).

5. The protection device for the photoelectric sensor according to claim 1, wherein the protective shell (1) is provided with two through grooves (101), and the glass plate (4) is fixedly connected in the through grooves (101).

6. A protector for a photoelectric sensor according to claim 1, wherein the adhesive layer (212) is made of rubber.

7. A protector for a photoelectric sensor according to claim 1, wherein a pull handle (201) is fixedly connected to one side wall of the L-shaped positioning plate (2).