CN213067641U

CN213067641U - Optical fiber sensor

Info

Publication number: CN213067641U
Application number: CN202022485432.XU
Authority: CN
Inventors: 张小毅; 罗超凡
Original assignee: Shenzhen Huayi Abundant Technology Co ltd
Current assignee: Shenzhen Huayi Abundant Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-04-27
Anticipated expiration: 2030-10-30

Abstract

The utility model is suitable for a sensor field provides an optical fiber sensor, including the shell body, be equipped with the mount on the shell body, the front end of mount is equipped with locking mechanism, and locking mechanism includes metal bracket, and the metal bracket in-connection has the slider, is equipped with the clamp block in the metal bracket, and the clamp block is located the below of slider, rotates on the metal bracket and is connected with the locking spanner, and the lower extreme butt of locking spanner is in the upper end of slider; the fixed frame is provided with a protective cover, one end of the protective cover is hinged with the outer shell, the other end of the protective cover is connected with the outer shell in a buckling mode, and the inner side face, close to the locking wrench, of the protective cover is attached to the top end face of the other end of the locking wrench; through locking mechanism installation optic fibre, metal bracket can play the effect of spacing tight piece of clamp, firmly installs optic fibre in first mounting hole, sets up the secondary rotation that the protection casing can avoid locking spanner, and the protection casing just can be connected with the mount buckle when locking, plays the effect that whether inspection optic fibre was firmly installed.

Description

Optical fiber sensor

Technical Field

The utility model belongs to the sensor field, concretely relates to optical fiber sensor.

Background

The optical fiber sensor is a novel sensor capable of amplifying signals, can be generally divided into three types of relay amplification, preposed amplification and power amplification according to the position and the action of the optical fiber sensor in an optical fiber circuit, can directly amplify the signals in full light, has good transparency, and is particularly suitable for relay amplification of long-distance optical communication.

In the process of using the optical fiber sensor, the optical fiber and the light projection part in the optical fiber sensor are installed and connected in field use, so that the optical fiber needs to be reliably installed, the use is influenced due to the fact that the optical fiber is not firmly fixed, the existing optical fiber sensor lacks a structure capable of checking whether the optical fiber is firmly installed, the optical fiber needs to be disassembled again for installation when the optical fiber is found to be not firmly installed in the use process, and the use time cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an optic fibre sensor who makes optic fibre obtain stably effectively fixing.

The utility model discloses a realize like this: the utility model provides an optical fiber sensor, includes the shell body, is equipped with the mount on the shell body, and the front end of mount is equipped with locking mechanism, locking mechanism includes metal bracket, and sliding connection has the slider in the metal bracket, be equipped with tight piece of clamp in the metal bracket, the below of slider is located to tight piece of clamp, the last rotation of metal bracket is connected with locking spanner, and locking spanner's lower extreme butt is in the upper end of slider.

Furthermore, the fixed frame is hinged with a protective cover, one end of the protective cover is hinged with the outer shell, the other end of the protective cover is connected with the outer shell in a buckled mode, and the inner side face, close to the locking wrench, of the protective cover is attached to the top end face of the other end of the locking wrench.

Further, be equipped with first bar hole on the metal bracket, be equipped with the lug on the slider, the slider passes through the lug embedding to first bar downthehole in order to realize with metal bracket sliding connection.

Furthermore, two clamping parts are arranged on the clamping block, a first mounting hole with an opening at one side is formed in each clamping part, each opening extends outwards to form a clamping nozzle, a pressing foot is arranged on the sliding block, and the pressing foot abuts against the clamping nozzle.

Furthermore, the two clamping portions are arranged up and down, clamping mouths of the two clamping portions are arranged in a reverse direction, and the two presser feet are respectively abutted against the clamping mouths of the two clamping portions.

Furthermore, clamping blocks are arranged on the clamping blocks, first clamping holes are formed in the metal bracket, and each clamping block is embedded into the first clamping hole through the clamping block so as to be fixedly connected with the metal bracket.

Furthermore, be equipped with second bar hole and second card hole on the mount, lug on the slider passes first bar hole and second bar hole in proper order, the fixture block on the clamp block passes first card hole and second card hole in proper order to realize the fixed connection of locking mechanism and mount.

Furthermore, the shielding cover is arranged in the outer shell and arranged behind the locking mechanism, a second mounting hole matched with the first mounting hole is formed in the shielding cover, and the edge of the second mounting hole is designed in an arc shape.

Furthermore, a third mounting hole matched with the first mounting hole and the second mounting hole is formed in the front end of the outer shell, and when the optical fiber is mounted, the optical fiber sequentially penetrates through the third mounting hole, the first mounting hole and the second mounting hole.

The utility model provides a pair of optical fiber sensor, through locking mechanism installation optic fibre, metal bracket can play the effect of spacing clamp block when the slider pushes down, with optic fibre firm mounting in first mounting hole, simultaneously, set up the secondary rotation that the protection casing can avoid locking spanner, when locking spanner rotates to the slider and pushes down completely, the protection casing could be connected with the mount buckle, can play the effect whether inspection optic fibre is firmly installed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the structure of the present invention.

Fig. 3 is a schematic structural diagram of the locking mechanism of the present invention.

The reference numbers illustrate: 1. an outer housing; 11. a third mounting hole; 2. a fixed mount; 21. a second bar-shaped hole; 22. a second card hole; 3. a locking mechanism; 4. a metal bracket; 41. a first bar-shaped hole; 42. a first card hole; 5. a slider; 51. a bump; 52. a presser foot; 522. a short presser foot; 523. a long presser foot; 6. a clamping block; 61. a first mounting hole; 62. a clamping portion; 63. a clamping nozzle; 64. a clamping block; 7. locking the wrench; 71. anti-slip strips; 8. a protective cover; 9. a shield case; 91. and a second mounting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 3, for the optical fiber sensor disclosed in the present invention, which includes an outer casing 1, the inner portion of the outer casing 1 is provided with basic components of the optical fiber sensor, which belongs to the prior art, and is not described one by one in this embodiment, the outer casing 1 is provided with a fixing frame 2, the front end of the fixing frame 2 is provided with a locking mechanism 3, as shown in fig. 3, the locking mechanism 3 includes a metal bracket 4, a sliding block 5 is slidably connected to the metal bracket 4, a locking wrench 7 is rotatably connected to the metal bracket 4, preferably, for conveniently rotating the locking wrench 7, an anti-slip strip 71 is provided on the locking wrench 7, the lower end of the locking wrench 7 abuts against the upper end of the sliding block 5, the metal bracket 4 is provided with a first strip-shaped hole 41, the sliding block 5 is provided with a protruding block 51, the sliding block 5 is embedded into the first strip-shaped hole 41 through the protruding, the metal bracket 4 is internally provided with a clamping block 6, the clamping block 6 is arranged below the sliding block 5, the clamping block 6 is provided with two clamping parts 62, each clamping part 62 is provided with a first mounting hole 61 with an opening at one side, each opening extends outwards to form a clamping mouth 63, the sliding block 5 is provided with a pressure foot 52, the pressure foot 52 is abutted on the clamping mouth 63, preferably, the two clamping parts 62 are arranged up and down, the clamping mouths 63 of the two clamping parts 62 are arranged in a reverse direction, the pressure feet 52 are provided with two, a clearance part is arranged between the two pressure feet 52 corresponding to the clamping part 62 above, the upper part of the clamping part above is accommodated in the clearance part, the two pressure feet 52 are respectively abutted on the clamping mouths 63 of the two clamping parts 62, concretely, the pressure feet 52 comprise a short pressure foot 522 and a long pressure foot 523, the short pressure foot 522 is abutted on the clamping mouths 63 of the clamping parts 62 above, the long presser foot 523 abuts against the gripper jaw 63 of the lower clamping portion 62, the first mounting hole 61 of the clamping block 6 can be made smaller when the presser foot 52 presses the gripper jaw 63, and the optical fiber mounted in the first mounting hole 61 is fixed, and in addition, by providing the short presser foot 522 and the long presser foot 523 which are different in length, when the locking wrench 7 is rotated, the locking wrench 7 abuts against the upper end of the slider 5, so that the slider 5 can simultaneously press two clamping portions 62 in the process of pressing down.

As mentioned above, the metal bracket 4 is preferably in a "U" shape, the clamping block 6 is disposed on the upper end surface of the closed end of the metal bracket 4, the metal bracket 4 is provided with the first clamping hole 42, the clamping block 6 is provided with the clamping block 64, the clamping block 6 is embedded into the first clamping hole 42 through the clamping block 64 to realize the fixed connection with the metal bracket 4, because the metal bracket 4 has a large hardness and is not easy to deform, in the process that the clamping block 6 is extruded by the slider 5, the metal bracket 4 cannot deform due to the pressure applied by the clamping block 6, the first mounting hole 61 is prevented from being enlarged due to the downward displacement of the clamping block 6, it can be effectively ensured that the optical fiber can be firmly fixed in the first mounting hole 61 of the clamping block 6, and is not easy to fall off, and the function of the optical fiber sensor is prevented from being seriously affected.

The protection cover 8 is hinged to the fixed frame 2, one end of the protection cover 8 is hinged to the outer shell 1, the other end of the protection cover 8 is connected with the outer shell 1 in a buckling mode, the inner side face, close to the locking wrench 7, of the protection cover 8 is attached to the top end face of the other end of the locking wrench 7, similarly, the inner side face, close to the locking wrench 7, of the protection cover 8 can have a certain distance with the front end face of the locking wrench 7, and the protection cover 8 can be used within the protection range of the utility model as long as the protection cover 8 can limit the locking wrench 7, and the protection cover 8 can prevent the locking wrench 7 from rotating again under the locking condition due to the action of external force, so that the sliding block 5 moves upwards; another important effect of protection casing 8 lies in, when locking mechanism 3 under the circumstances of locking, rotate locking spanner 7 promptly, press down to press from both sides tight piece 6 completely when making first mounting hole 61 tightly cover optic fibre when slider 5, protection casing 8 just can be connected with the front end buckle of mount 2, on the contrary, if locking mechanism 3 is not under the circumstances of locking, protection casing 8 can be withstood on the top of locking mechanism 3 for protection casing 8 can not realize being connected with the buckle of mount 2, thereby play the effect whether inspection locking mechanism 3 locked.

The optical fiber sensor further comprises a shielding cover 9, the shielding cover 9 is arranged in the outer shell 1, the shielding cover 9 is arranged at the rear of the locking mechanism 3, a second mounting hole 91 matched with the first mounting hole 61 is formed in the shielding cover 9, the hole edge of the second mounting hole 91 is designed in an arc shape, a third mounting hole 11 matched with the first mounting hole 61 and the second mounting hole 91 is formed in the front end of the outer shell 1, when the optical fiber is mounted, the optical fiber sequentially passes through the third mounting hole 11, the first mounting hole 61 and the second mounting hole 91, when the shielding cover 9 is mounted, the second mounting hole 91 in the shielding cover 9 and the first mounting hole 61 in the locking mechanism 3 are positioned on the same axis, namely, a small position deviation between the second mounting hole 91 and the first mounting hole 61 exists, the optical fiber cannot rapidly and accurately pass through the second mounting hole 91, and therefore, the hole edge of the second mounting hole 91 is designed to be a circular arc, and when the optical fiber passes through the first mounting hole 61 to the second mounting hole 91, the optical fiber can slide into the second mounting hole 91 along the hole edge when contacting the circular arc hole edge of the second mounting hole 91, so that the optical fiber can be rapidly and accurately mounted even if the first mounting hole 61 and the second mounting hole 91 have small position deviation.

Be equipped with second bar hole 21 and second card hole 22 on mount 2, lug 51 on the slider 5 passes first bar hole 41 and second bar hole 21 in proper order, the fixture block 64 on the clamp block 6 passes first card hole 42 and second card hole 22 in proper order to realize the fixed connection of locking mechanism 3 and mount 2.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and 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. A fiber optic sensor, characterized by: including shell body (1), be equipped with mount (2) on shell body (1), the front end of mount (2) is equipped with locking mechanism (3), locking mechanism (3) include metal bracket (4), and sliding connection has slider (5) in metal bracket (4), be equipped with in metal bracket (4) and press from both sides tight piece (6), press from both sides tight piece (6) and locate the below of slider (5), it is connected with locking spanner (7) to rotate on metal bracket (4), and the lower extreme butt of locking spanner (7) is in the upper end of slider (5).

2. A fiber optic sensor according to claim 1, wherein: articulated on mount (2) have protection casing (8), and protection casing (8) one end is articulated with shell body (1), and the other end is connected with shell body (1) buckle, protection casing (8) are close to the inside facial features laminating of locking spanner (7) in the top face of locking spanner (7) the other end.

3. A fibre-optic sensor according to claim 1 or 2 wherein: be equipped with first bar hole (41) on metal bracket (4), be equipped with lug (51) on slider (5), slider (5) are through lug (51) embedding in first bar hole (41) with realization and metal bracket (4) sliding connection.

4. A fibre-optic sensor according to claim 1 or 2 wherein: the clamping block (6) is provided with two clamping parts (62), each clamping part (62) is provided with a first mounting hole (61) with one side opened, each opening extends outwards to form a clamping nozzle (63), the sliding block (5) is provided with a pressing foot (52), and the pressing foot (52) abuts against the clamping nozzle (63).

5. An optical fiber sensor according to claim 4, wherein: the two clamping parts (62) are arranged up and down, clamping mouths (63) of the two clamping parts (62) are arranged in opposite directions, the two presser feet (52) are arranged, and the two presser feet (52) are respectively abutted to the clamping mouths (63) of the two clamping parts (62).

6. An optical fiber sensor according to claim 5, wherein: clamping blocks (64) are arranged on the clamping blocks (6), first clamping holes (42) are formed in the metal bracket (4), and each clamping block (6) is embedded into each first clamping hole (42) through each clamping block (64) to be fixedly connected with the metal bracket (4).

7. An optical fiber sensor according to claim 6, wherein: be equipped with second bar hole (21) and second card hole (22) on mount (2), lug (51) on slider (5) pass first bar hole (41) and second bar hole (21) in proper order, fixture block (64) on the tight piece of clamp (6) pass first card hole (42) and second card hole (22) in proper order to realize the fixed connection of locking mechanism (3) and mount (2).

8. A fibre-optic sensor according to claim 1 or 2 wherein: still including shield cover (9), shield cover (9) are located in shell body (1), the rear of locking mechanism (3) is located in shield cover (9), set up second mounting hole (91) with first mounting hole (61) looks adaptation on shield cover (9), the hole edge of second mounting hole (91) designs for the circular arc.

9. A fiber optic sensor according to claim 8, wherein: and a third mounting hole (11) matched with the first mounting hole (61) and the second mounting hole (91) is formed in the front end of the outer shell (1), and the optical fiber sequentially penetrates through the third mounting hole (11), the first mounting hole (61) and the second mounting hole (91) when being mounted.