CN210981312U

CN210981312U - Retention structure for fiber grating

Info

Publication number: CN210981312U
Application number: CN201922413736.2U
Authority: CN
Inventors: 刘宜春; 杨丰
Original assignee: Shanghai Heishan Technology Co ltd
Current assignee: Shanghai Heishan Technology Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-07-10
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a retention structure for fiber grating, comprising a base plate, the bottom plate upside is equipped with the fixed cover body, and two of bottom plate up end symmetry fixedly connected with fall L type stoppers, fixed cover body bilateral symmetry be equipped with fall L type stopper matching bar piece, fall to be equipped with on the L type stopper and carry out spacing stop gear to the bar piece, both ends all are equipped with the fluting that supplies the optic fibre to pass around the fixed cover body, and the internal elasticity stop gear that is equipped with of fixed cover, the fixed cover body are equipped with the elasticity protection mechanism that carries out the protection to fiber grating, the utility model discloses can fix fiber grating, can adapt to the not fiber grating of equidimension simultaneously, play the guard action moreover to fiber grating, be convenient for dismantle fiber grating simultaneously.

Description

Retention structure for fiber grating

Technical Field

The utility model relates to a fiber grating technical field especially relates to a retention structure for fiber grating.

Background

The existing fixing device does not consider the fixation of the fiber grating in the process of installing the sensor, so that the fiber grating falls down due to gravity, the connection between the fiber grating and the sensor is easy to damage, the sensor cannot continuously and normally work, and the fiber grating also needs to be fixed.

Through the retrieval, chinese patent No. CN208998808U discloses a fixing device, including base and cross bolt, equal fixed mounting has the locking pole setting at both ends about the middle part of base top surface, two the top of locking pole setting is through cross bolt fixedly connected with locking horizontal pole, two place the sensor body that is located the base top surface between the locking pole setting.

The existing fixing device has the following defects: the fixed mode is realized through the bolt, and the installation is dismantled comparatively complicatedly, and is relatively poor to fiber grating's protection effect simultaneously, lacks the protection of dragging simultaneously.

To solve the above problem, we propose a retention structure for fiber gratings.

Disclosure of Invention

The present invention is directed to a retention structure for fiber gratings to solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a retention structure for fiber grating, includes the bottom plate, the bottom plate upside is equipped with the fixed cover body, two L type stoppers that fall of bottom plate up end symmetry fixedly connected with, fixed cover body bilateral symmetry is equipped with the bar piece that matches with the L type stopper that falls, it carries out spacing stop gear to the bar piece to be equipped with on the L type stopper, both ends all are equipped with the fluting that supplies optic fibre to pass around the fixed cover body, the internal elasticity stop gear that is equipped with of fixed cover, the fixed cover body is equipped with the elasticity protection mechanism that protects fiber grating.

Preferably, stop gear includes that the level sets up the through-hole on falling L type stopper, the matching is equipped with the inserted bar in the through-hole, be equipped with the slot that matches with the inserted bar on the bar piece, the one end that the bar piece was kept away from to the inserted bar extends to the through-hole outside and fixedly connected with draws the piece, the cover is equipped with first spring on the inserted bar, first spring both ends respectively with draw piece and the type stopper fixed connection that falls L.

Preferably, elasticity stop gear is including two arc pieces of symmetry setting in fixed cover body, two the one end that the arc piece deviates from each other all passes through second spring and fixed cover body inner wall fixed connection.

Preferably, elasticity protection mechanism sets up two U type pieces, two in fixed cover body including the symmetry the U type piece of falling corresponds with two fluting positions respectively, two the equal symmetry in one side that the U type piece deviates from each other is equipped with two third springs, third spring both ends respectively with U type piece of falling and fixed cover body inner wall fixed connection.

Preferably, a plurality of mounting holes for mounting are uniformly distributed on the bottom plate.

Preferably, both of the third springs are disposed obliquely in a horizontal direction.

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

1. through setting up the bottom plate and the fixed cover body, the fixed cover body is used for fixed fiber grating, through the fixed fiber grating of elasticity stop gear, can adapt to not unidimensional fiber grating, has set up elasticity protection mechanism simultaneously, can cushion fiber grating when the pulling appears, avoids tearing apart, and the fixed cover body is higher to fiber grating's protection effect moreover.

2. The fixed cover body is connected with the bottom plate through stop gear, fixes through the mode of inserted bar slot, assists fixedly through bar-shaped piece and the type L stopper that falls, and the monolithic stationary mode is comparatively firm, conveniently dismantles the installation simultaneously.

Drawings

Fig. 1 is a schematic structural view of a retention structure for fiber gratings according to the present invention;

fig. 2 is a schematic bottom view of the fixing cover and the connecting components thereof in the retention structure for fiber bragg grating according to the present invention;

fig. 3 is a schematic structural view of a bottom plate and its connecting components in a retention structure for fiber gratings according to the present invention.

In the figure, a bottom plate 1, a fixed cover body 2, a 3-inverted L-shaped limiting block, 4-shaped blocks, 5 inserting rods, 6 pulling blocks, 7 first springs, 8 arc-shaped blocks, 9 second springs, 10-inverted U-shaped blocks and 11 third springs are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a retention structure for fiber grating, including bottom plate 1, the equipartition has a plurality of mounting holes that are used for the installation on bottom plate 1, it is fixed to be used for the installation to

bottom plate

1, 1 upside of bottom plate is equipped with the fixed cover body 2, be used for placing fiber grating, 1 up end symmetry fixedly connected with of bottom plate has two to fall

L type stopper

3, 2 bilateral symmetry of the fixed cover body is equipped with strip-shaped block 4 with 3 matches of the type stopper of the type of L, strip-shaped block 4 can insert 3 downside of the type stopper of L, receive its vertical spacing, it carries out spacing stop gear to strip-shaped block 4 to be equipped with on the type stopper of L of.

Wherein, stop gear includes that the level sets up the through-hole on falling L type stopper 3, the through-hole internal match is equipped with inserted bar 5, be equipped with the slot that matches with inserted bar 5 on the bar piece 4, the one end that the bar piece 4 was kept away from to inserted bar 5 extends to the through-hole outside and fixedly connected with draws piece 6, conveniently stimulate inserted bar 5, the cover is equipped with first spring 7 on the inserted bar 5, first spring 7 both ends respectively with

draw piece

6 and 3 fixed connection of the type stopper of falling L, first spring 7 provides elasticity and can guarantee the horizontal limiting action of inserted bar 5, both ends all are equipped with the fluting that supplies optic fibre to pass around the fixed cover body 2.

Wherein, the fixed cover body 2 is internally provided with an elastic limiting mechanism which comprises two arc-shaped blocks 8 symmetrically arranged in the fixed cover body 2, one ends of the two arc-shaped blocks 8 which are deviated from each other are fixedly connected with the inner wall of the fixed cover body 2 through a second spring 9, can adapt to not unidimensional fiber grating, the fixed cover body 2 is equipped with the elasticity protection mechanism who carries out the protection to fiber grating, elasticity protection mechanism sets up two U type pieces 10 that fall in the fixed cover body 2 including the symmetry, two U type pieces 10 that fall correspond with two fluting positions respectively, two equal symmetries in one side that fall U type piece 10 and deviate from each other are equipped with two

third springs

11, 11 both ends of third spring respectively with 2 inner wall fixed connection of the U type piece 10 and the fixed cover body, two third springs 11 are the slope setting at the horizontal direction, third spring 11 provides elasticity, can cushion protection to fiber grating.

The utility model discloses in, when using the device, it is fixed earlier through the mounting hole with bottom plate 1, then can fix fiber grating through two second springs 9 and two arc pieces 8, arrange the optic fibre that fiber grating connects in two type of falling U pieces 10 respectively simultaneously, third spring 11 plays the buffering guard action, and pass two flutings at the 2 both ends of the fixed cover body, insert the 3 downside of L type stopper of falling with bar piece 4 at the 2 both ends of the fixed cover body after that, and insert the slot with inserted bar 5 in, accomplish fixedly, first spring 7 plays spacing fixed action.

The above, 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 utility model provides a maintenance structure for fiber grating, includes bottom plate (1), its characterized in that, bottom plate (1) upside is equipped with the fixed cover body (2), bottom plate (1) up end symmetry fixedly connected with two fall L type stopper (3), the fixed cover body (2) bilateral symmetry is equipped with strip-shaped block (4) with the matching of the L type stopper (3), be equipped with on the type stopper (3) of falling L and carry out spacing stop gear to strip-shaped block (4), both ends all are equipped with the fluting that supplies the optic fibre to pass around the fixed cover body (2), be equipped with elasticity stop gear in the fixed cover body (2), the fixed cover body (2) are equipped with the elasticity protection mechanism who carries out the protection to fiber grating.

2. The retention structure for the fiber bragg grating as claimed in claim 1, wherein the limiting mechanism comprises a through hole horizontally formed in the inverted L-shaped limiting block (3), an inserting rod (5) is arranged in the through hole in a matching manner, a slot matched with the inserting rod (5) is formed in the bar-shaped block (4), one end, far away from the bar-shaped block (4), of the inserting rod (5) extends out of the through hole and is fixedly connected with a pulling block (6), a first spring (7) is sleeved on the inserting rod (5), and two ends of the first spring (7) are respectively and fixedly connected with the pulling block (6) and the inverted L-shaped limiting block (3).

3. The retention structure for fiber bragg grating as claimed in claim 1, wherein the elastic limiting mechanism comprises two arc-shaped blocks (8) symmetrically arranged in the fixed cover body (2), and one ends of the two arc-shaped blocks (8) which are away from each other are fixedly connected with the inner wall of the fixed cover body (2) through second springs (9).

4. The retention structure for fiber bragg grating as claimed in claim 1, wherein the elastic protection mechanism comprises two inverted U-shaped blocks (10) symmetrically disposed in the fixed housing (2), the two inverted U-shaped blocks (10) correspond to the two slots, two third springs (11) are symmetrically disposed on the sides of the two inverted U-shaped blocks (10) facing away from each other, and two ends of the third springs (11) are fixedly connected to the inverted U-shaped blocks (10) and the inner wall of the fixed housing (2), respectively.

5. The retention structure for fiber bragg grating as claimed in claim 1, wherein a plurality of mounting holes for mounting are uniformly distributed on the base plate (1).

6. The retention structure for a fiber grating as set forth in claim 4, wherein both of the third springs (11) are disposed obliquely in a horizontal direction.