CN212586253U

CN212586253U - Atomic fluorescence spectrometer for detecting selenium content of food

Info

Publication number: CN212586253U
Application number: CN202020805331.3U
Authority: CN
Inventors: 张争凯; 郑静; 沈红
Original assignee: Zhejiang Hongzheng Detection Co ltd
Current assignee: Zhejiang Hongzheng Detection Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-02-23
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to an atomic fluorescence spectrometer for detecting selenium content in food, relating to the technical field of optical measurement, which comprises a box body, wherein both sides of the box body are provided with accommodating grooves, handles are arranged in the accommodating grooves, the handle comprises a rotating part, a holding part and two connecting parts, a mounting plate is arranged in the accommodating groove, the mounting plate comprises a pivoting part and two fixing parts, the fixing parts are fixedly connected with the bottom of the accommodating groove, the two side walls of the pivoting part close to the bottom of the accommodating groove are respectively and integrally arranged on the two fixing parts, the rotating part is rotatably connected in the pivoting part, the two ends of the rotating portion are respectively and integrally connected with one ends of the two connecting portions, the two ends of the holding portion are respectively and integrally connected with the other ends of the two connecting portions, a cover plate covering the containing grooves is arranged on the box body, and the cover plate corresponds to the containing grooves one to one. The utility model discloses grip when having convenient transport, improved the effect of atomic fluorescence spectrum appearance's handling efficiency.

Description

Atomic fluorescence spectrometer for detecting selenium content of food

Technical Field

The utility model belongs to the technical field of optical measurement's technique and specifically relates to an atomic fluorescence spectrometer for detecting food selenium content is related to.

Background

The atomic fluorescence spectrometer carries out qualitative and quantitative analysis on substances by utilizing the wavelength and the intensity of an atomic fluorescence spectral line, has the advantages of small spectral interference, high sensitivity, low operation cost, simple instrument structure, easy maintenance and the like, is widely applied in domestic industries, and consists of a hollow cathode lamp, a monochromator, an atomizer, a detection system and a display device.

As shown in fig. 11, the atomic fluorescence spectrometer includes a box 1, the side wall of the surface of the box is flat and smooth, which is inconvenient to hold and easy to slip during transportation, resulting in difficulty in transportation of the atomic fluorescence spectrometer and an improved space.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an atomic fluorescence spectrum appearance for detecting food selenium content grips when convenient transport, has improved the handling efficiency of atomic fluorescence spectrum appearance.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an atomic fluorescence spectroscopy appearance for detecting food selenium content, the power distribution box comprises a box body, the groove of accomodating has all been seted up to the both sides of box, accomodate the inslot and be equipped with the handle, the handle includes rotation portion, the portion of gripping and two connecting portions, accomodate the inslot and be equipped with the mounting panel, the mounting panel includes pin joint portion and two fixed parts, fixed part fixed connection is in the tank bottom of accomodating the groove, pin joint portion is close to the both sides wall of accomodating the groove tank bottom and locates two fixed parts respectively an organic whole, rotation portion rotates and connects in pin joint portion, the both ends of rotation portion respectively with the one end an organic whole of two connecting portions be connected, the both ends of the portion of gripping respectively with the other end an organic whole of two connecting portions be connected, be equipped with the.

Through adopting the above technical scheme, the setting of handle, the area of gripping of atomic fluorescence spectrum appearance both sides has been increased, grip when making things convenient for transport personnel to carry the atomic fluorescence spectrum appearance, the difficult emergence is skidded, carry the atomic fluorescence spectrum appearance with the convenience, the transport efficiency of atomic fluorescence spectrum appearance has been improved, when not using the handle, the handle is accomodate in accomodating the inslot, reduce the space occupancy of atomic fluorescence spectrum appearance, the apron lid closes and accomodates the groove, make and accomodate the inslot and be difficult for being infected with the dust clean and tidy, the groove of accomodating has been guaranteed, simultaneously more pleasing to the eye.

The present invention may be further configured in a preferred embodiment as: the box is close to the both sides of accomodating the groove and all is equipped with the slide rail that is relative setting, the apron is located between two slide rails and slides with the slide rail and be connected, the slide rail is close to one side of apron and has seted up the spout, the both sides that the apron is close to the slide rail all are equipped with the subassembly that slides, the subassembly that slides inlays to locate in the spout and slides with the spout and be connected.

Through adopting above-mentioned technical scheme, the subassembly that slides and connects in the spout, makes the apron slide between two slide rails to make things convenient for the sliding cover lid to close and accomodate the groove or open and accomodate the groove, convenient to use.

The present invention may be further configured in a preferred embodiment as: the slide rail includes outer rail portion, connecting portion and interior rail portion, outer rail portion locates the box and is close to the one side of accomodating the groove, outer rail portion sets up in accomodating the groove upside, interior rail portion sets up on the inside wall of accomodating the groove, the one end and the outer rail portion of intercommunication portion are connected, the other end and the interior rail portion of intercommunication portion are connected.

Through adopting above-mentioned technical scheme, the outer rail portion of slide rail, intercommunication portion and interior rail portion three form one from accomodating the inslot and extend to the track of accomodating the groove outside for can coincide with the lateral wall surface of box when the apron lid closes to accomodate the groove, be in the coplanar, make box surface level and smooth, it is more pleasing to the eye, the lid closes the effect better simultaneously.

The present invention may be further configured in a preferred embodiment as: the subassembly that slides includes that two at least an organic whole locate the arch on the apron, the arch is the hemisphere setting, the arch inlays to be located in the spout and slides with the spout and be connected.

Through adopting above-mentioned technical scheme, when the installation apron, the extrusion apron, guide slide rail or protruding elastic deformation arch of taking place slide in the spout, make the apron slide along the spout direction, be difficult for breaking away from the slide rail.

The present invention may be further configured in a preferred embodiment as: the subassembly that slides includes compression spring and sliding column, the apron is close to one side welding of box and inlays and establishes the post, inlay and establish to have seted up in the post and inlay and establish the hole, inlay the opening of establishing the hole and set up towards the slide rail, compression spring inlays to be located and inlays and establishes downtheholely, compression spring's one end with inlay the diapire butt of establishing the hole, sliding column inlays to be located and inlays and establishes downthehole and slide with the lateral wall of establishing the hole and be connected, sliding column's one end and compression spring's other end butt, sliding column's the other end stretches into in the spout and slides with the spout and be connected.

Through adopting above-mentioned technical scheme, compare in the arch of an organic whole setting, during the installation apron, press the sliding column and make compression spring compress, make the sliding column inlay completely and locate to inlay and establish downtheholely to the convenience is installed the apron between two slide rails, and need not the sliding column and take place deformation, and it is more convenient to install.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a sliding column, including slide post, apron, first groove, second groove, plectrum, first groove and the first groove that slides of apron, the first groove that slides of apron is seted up to the perpendicular just setting towards of apron on the lateral wall that the post that slides is close to compression spring, the plectrum sets up with the apron, the apron is close to one side of slide rail and sets up the first groove that slides that link up, inlay and establish the post and be close to the second groove that slides, the second slides the groove and link up mutually with the second groove that slides, the plectrum wears to locate in proper order that the second slides groove and first inslot that slides, the plectrum stretches out outside the first groove that slides, the plectrum slides with first groove.

Through adopting above-mentioned technical scheme, when dismantling the apron, the setting of plectrum has increased the area of gripping of sliding post, stirs the plectrum, and the plectrum drives the sliding post and orders about compression spring compression, and the sliding post breaks away from the spout, and the apron can break away from the slide rail, and the convenience is dismantled the apron.

The present invention may be further configured in a preferred embodiment as: the sliding groove is provided with a locking hole for inserting and clamping the sliding column, and the locking hole is arranged at the bottom of the sliding groove and communicated with the sliding groove.

Through adopting above-mentioned technical scheme, when opening or closing the apron, along the track direction of slide rail apron that slides, when the post that slides removes the locking hole position, compression spring promotes the post that slides and inserts in the locking hole, has realized the locking to the apron position, makes the apron be difficult for opening or closing because of the unmanned operation, has improved the stability when the apron uses.

The present invention may be further configured in a preferred embodiment as: and one side of the cover plate, which is far away from the box body, is provided with at least one groove.

Through adopting above-mentioned technical scheme, the setting of recess makes user's finger can insert in the recess to make things convenient for user's application of force, the apron slides, has improved the availability factor of apron.

The present invention may be further configured in a preferred embodiment as: the holding part is sleeved with a buffer sleeve.

By adopting the technical scheme, the buffer sleeve is elastically deformed when a user holds the handle to buffer, so that the handle is not easily damaged by the handle when the user carries the handle; meanwhile, the friction coefficient of the holding part is increased, so that the handle and the handle are not easy to slip when a carrier carries the atomic fluorescence spectrometer, and the carrying efficiency of the atomic fluorescence spectrometer is improved.

The present invention may be further configured in a preferred embodiment as: the storage groove is embedded with a reset rope, one end of the reset rope is fixedly connected with the holding part, and the other end of the reset rope is fixedly connected with the bottom of the storage groove.

Through adopting above-mentioned technical scheme, when transport personnel's hand pine handle, the rope that resets takes place to reset, drives the handle and accomodates in accomodating the inslot, does not need artifical the rotation, labour saving and time saving.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the arrangement of the handles increases the holding areas on the two sides of the atomic fluorescence spectrometer, so that the atomic fluorescence spectrometer can be conveniently held by a carrying person when carrying the atomic fluorescence spectrometer, the atomic fluorescence spectrometer is not easy to slip, the atomic fluorescence spectrometer can be conveniently carried, and the carrying efficiency of the atomic fluorescence spectrometer is improved;

2. when the handle is not used, the handle is stored in the storage groove, so that the space occupancy rate of the atomic fluorescence spectrometer is reduced, the storage groove is covered by the cover plate, dust is not easily attached to the storage groove, and the storage groove is ensured to be clean and tidy;

3. when the handle of transport personnel breaks away from the handle, the rope that resets takes place to reset, drives the handle and accomodates in accomodating the inslot, does not need artifical the rotation, labour saving and time saving.

Drawings

Fig. 1 is a schematic structural diagram of an atomic fluorescence spectrometer for detecting selenium content in food in the first embodiment.

FIG. 2 is an exploded view of the mounting plate, handle, return cord and housing of the first embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is an exploded view of the cover plate, the slide rail and the box body in the first embodiment.

Fig. 5 is an enlarged view of a portion B in fig. 4.

Fig. 6 is an enlarged view of a portion C in fig. 4.

Fig. 7 is a schematic partial structure diagram of a slide rail according to an embodiment.

Fig. 8 is a schematic partial structure diagram of a slide rail according to the second embodiment.

Fig. 9 is an exploded view of the cover plate, the slide rail and the case in the second embodiment.

Fig. 10 is an exploded view of a portion D in fig. 9.

Fig. 11 is a schematic structural diagram of an atomic fluorescence spectrometer for detecting selenium content in food in the prior art.

In the figure, 1, a box body; 11. a receiving groove; 12. mounting a plate; 121. a fixed part; 122. a pivot part; 13. a reset rope; 2. a cover plate; 21. a groove; 22. a slipping component; 221. a protrusion; 222. sliding the column; 2221. a shifting sheet; 223. a first sliding groove; 224. a compression spring; 225. embedding a column; 226. embedding holes; 227. a second sliding groove; 3. a handle; 31. a rotating part; 32. a grip portion; 33. a buffer sleeve; 34. a connecting portion; 4. a slide rail; 41. a chute; 42. a locking hole; 431. an outer rail portion; 432. a communicating portion; 433. an inner rail portion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, for the atomic fluorescence spectrometer for detecting food selenium content that this embodiment discloses, including box 1, apron 2 and handle 3, the groove 11 of accomodating has all been seted up to the both sides of box 1, installs mounting panel 12 in accomodating the groove 11, and handle 3 passes through mounting panel 12 pin joint in accomodating the groove 11 in, and apron 2 locates the both sides of box 1 and is used for the lid to close and accomodates groove 11.

Referring to fig. 2 and 3, the mounting plate 12 includes a pivot portion 122 and two fixing portions 121, the fixing portions 121 are fixed to the bottom of the accommodating groove 11 by screws, the pivot portion 122 is U-shaped, the two side walls of the pivot portion 122 near the bottom of the accommodating groove 11 are respectively integrally disposed with the two fixing portions 121, the handle 3 includes a rotating portion 31, a holding portion 32 and two connecting portions 34, the rotating portion 31 is inserted into the pivot portion 122 and rotatably connected to the pivot portion 122, two ends of the rotating portion 31 are respectively integrally disposed with one ends of the two connecting portions 34, two ends of the holding portion 32 are respectively integrally disposed with the other ends of the two connecting portions 34, and the rotating portion 31, the holding portion 32 and the two connecting portions 34 are cooperatively disposed in a shape of a "square"; the holding part 32 is sleeved with a buffer sleeve 33, the buffer sleeve 33 is made of rubber, the buffer sleeve 33 deforms when a user holds the handle 3 to buffer, and the hand of the user is not easily damaged by the handle 3 when the user carries the atomic fluorescence spectrometer; fixedly connected with rope 13 that resets on the handle 3, the one end fixed connection that rope 13 that resets kept away from handle 3 accomodates the tank bottom of groove 11, when the porter unclamped handle 3, handle 3 was rotatory under the drive of rope 13 that resets and is taken in and accomodate the groove 11 in, all is equipped with two slide rails 4 on the both sides wall of box 1, and apron 2 slides and connects between two slide rails 4, and apron 2 is used for the lid to close and accomodates groove 11.

Referring to fig. 4 and 5, at least one groove 21 is formed on one side of the cover plate 2 away from the case 1, so that a user's finger can be inserted into the groove 21 to facilitate sliding the cover plate 2.

Referring to fig. 4 and 6, the sliding assemblies 22 are disposed on two sides of the cover plate 2 close to the sliding rails 4, each sliding assembly 22 includes two protrusions 221, the two protrusions 221 are integrally disposed on the same side of the cover plate 2 close to the sliding rails 4, and the protrusions 221 are disposed in a hemispherical shape so as to guide the sliding rails 4 or the protrusions 221 to elastically deform, and the cover plate 2 is mounted between the two sliding rails 4.

Referring to fig. 4 and 7, the slide rail 4 includes an outer rail portion 431, a communicating portion 432 and an inner rail portion 433, the outer rail portion 431 is installed on the side wall of the box body 1 close to the accommodating groove 11, the inner rail portion 433 is installed on the side wall of the accommodating groove 11, the inner rail portion 433 is parallel to the outer rail portion 431, the inner rail portion 433 and the outer rail portion 431 are both vertically disposed, one end of the communicating portion 432 is integrally connected with the lower end of the outer rail portion 431, the other end of the communicating portion 432 is integrally connected with the upper end of the inner rail portion 433, the slide groove 41 has been opened on the slide rail 4, both ends of the slide rail 4 are sealed, the protrusion 221 is embedded in the slide groove 41 and is connected with the slide groove 41 in a sliding manner, so as to guide the cover plate.

The implementation principle of the first embodiment is as follows: when the atomic fluorescence spectrometer is carried, a carrying person inserts hands into the grooves 21 on the cover plate 2 to push the cover plate 2 upwards, so that the protrusions 221 slide upwards along the direction of the sliding grooves 41, the cover plate 2 is far away from the accommodating grooves 11, then the holding part 32 of the holding handle 3 is pulled outwards, the holding part 32 is turned out of the accommodating grooves 11, the reset rope 13 is elastically deformed to be in a tightened state, and then carrying is carried; when the cover plate is conveyed to a specified position, the handle 3 is loosened, the handle 3 rotates back to the accommodating groove 11 under the action of the pulling force of the reset rope 13, and a carrier inserts hands into the groove 21 on the cover plate 2 to push the cover plate 2 downwards, so that the cover plate 2 is driven to cover the accommodating groove 11.

Example two:

the difference from the first embodiment is that, referring to fig. 9 and 10, the sliding assembly 22 includes a compression spring 224 and a sliding column 222, an embedded column 225 is welded on one side of the cover plate 2 close to the box body 1, an embedded hole 226 is formed in the embedded column 225, an opening of the embedded hole 226 is arranged in a direction close to the sliding rail 4, the compression spring 224 is embedded in the embedded hole 226, one end of the compression spring 224 abuts against a bottom wall of the embedded hole 226, the sliding column 222 is embedded in the embedded hole 226 and is connected with the embedded hole 226 in a sliding manner, one end of the sliding column 222 abuts against the other end of the compression spring 224, and the other end of the sliding column 222 extends into the sliding chute 41 and is connected with the sliding chute 41 in a sliding manner so as to guide the cover plate 2 to slide along the direction of the sliding chute; the outer side wall of the sliding column 222 close to the compression spring 224 is provided with a shifting piece 2221, the shifting piece 2221 is perpendicular to the cover plate 2 and is arranged towards the cover plate 2, one side of the cover plate 2 close to the slide rail 4 is provided with a first sliding groove 223, the first sliding groove 223 penetrates through one side wall of the cover plate 2 close to the slide rail 4, one side of the embedded column 225 close to the cover plate 2 is provided with a second sliding groove 227, the second sliding groove 227 penetrates through one side of an opening of the embedded column 225, the first sliding groove 223 and the second sliding groove 227 are mutually communicated, the shifting piece 2221 sequentially penetrates through the second sliding groove 227 and the first sliding groove 223 and extends out of the first sliding groove 223, and the shifting piece 2221 is connected with the first sliding groove 223 and the second sliding groove 227 in a sliding manner; the bottom wall of the sliding groove 41 is provided with two locking holes 42, the two locking holes 42 are respectively arranged at the upper end and the lower end of the sliding groove 41, the locking holes 42 are communicated with the sliding groove 41, and when the sliding column 222 slides to the position of the locking hole 42, the sliding column 222 is inserted into the locking holes 42 to lock the cover plate 2.

The second embodiment is implemented according to the following principle: when the atomic fluorescence spectrometer is carried, a hand is inserted into the groove 21 on the cover plate 2 to push the cover plate 2 upwards, so that the sliding column 222 slides upwards along the direction of the sliding groove 41, the cover plate 2 is far away from the accommodating groove 11, when the sliding column 222 moves to the position of the locking hole 42 on the upper side, the compression spring 224 drives the sliding column 222 to be inserted into the locking hole 42 on the upper side to lock the cover plate 2, so that the cover plate 2 is not easy to slide downwards, then the holding part 32 of the holding handle 3 is pulled outwards, so that the holding part 32 is turned out of the accommodating groove 11, the reset rope 13 is elastically deformed to be in a tightened state, and then the atomic fluorescence spectrometer is carried; when the cover plate is conveyed to a specific position, the handle 3 is loosened, the handle 3 rotates back to the accommodating groove 11 under the action of the pulling force of the reset rope 13, a conveying person inserts a hand into the groove 21 on the cover plate 2 to push the cover plate 2 downwards, so that the sliding column 222 slides downwards along the direction of the sliding groove 41, when the sliding column 222 moves to the position of the locking hole 42 on the lower side, the sliding column 222 enters the locking hole 42 on the lower side under the pushing force of the compression spring 224, and the cover plate 2 covers the accommodating groove 11 and is not easy to move.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an atomic fluorescence spectrometer for detecting food selenium content, includes box (1), its characterized in that: the storage tank (11) is arranged on two sides of the box body (1), a handle (3) is arranged in the storage tank (11), the handle (3) comprises a rotating part (31), a holding part (32) and two connecting parts (34), a mounting plate (12) is arranged in the storage tank (11), the mounting plate (12) comprises a pivoting part (122) and two fixing parts (121), the fixing parts (121) are fixedly connected to the tank bottom of the storage tank (11), the two side walls of the pivoting part (122) close to the tank bottom of the storage tank (11) are respectively and integrally arranged on the two fixing parts (121), the rotating part (31) is rotatably connected to the pivoting part (122), two ends of the rotating part (31) are respectively and integrally connected with one end of the two connecting parts (34), two ends of the holding part (32) are respectively and integrally connected with the other ends of the two connecting parts (34), a cover plate (2) covering the storage tank (11) is arranged on the box body (1), the cover plates (2) correspond to the accommodating grooves (11) one by one.

2. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 1, wherein: the both sides that box (1) are close to and accomodate groove (11) all are equipped with slide rail (4) that are relative setting, apron (2) are located between two slide rail (4) and slide with slide rail (4) and are connected, slide rail (4) are close to one side of apron (2) and have been seted up spout (41), the both sides that apron (2) are close to slide rail (4) all are equipped with sliding assembly (22), sliding assembly (22) inlay locate in spout (41) and slide with spout (41) and be connected.

3. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 2, wherein: slide rail (4) include outer rail portion (431), intercommunication portion (432) and interior rail portion (433), box (1) is located in outer rail portion (431) and is close to the one side of accomodating groove (11), outer rail portion (431) set up in accomodating groove (11) upside, interior rail portion (433) set up on the inside wall of accomodating groove (11), the one end and the outer rail portion (431) of intercommunication portion (432) are connected, the other end and the interior rail portion (433) of intercommunication portion (432) are connected.

4. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 2, wherein: slip subassembly (22) include that at least two an organic whole locate arch (221) on apron (2), arch (221) are the hemisphere setting, arch (221) inlay locate in spout (41) and slide with spout (41) and be connected.

5. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 2, wherein: slip subassembly (22) including compression spring (224) and slip post (222), apron (2) are close to one side welding of box (1) and are inlayed and establish post (225), it inlays and establishes hole (226) to inlay to have seted up in establishing post (225), the opening of inlaying establishing hole (226) sets up towards slide rail (4), compression spring (224) are inlayed and are located and inlay and establish in hole (226), the one end of compression spring (224) with inlay the diapire butt of establishing hole (226), slip post (222) are inlayed and are located and inlay in establishing hole (226) and with inlay the lateral wall of establishing hole (226) and slide and be connected, the one end of slip post (222) and the other end butt of compression spring (224), the other end of slip post (222) stretches into in spout (41) and slides with spout (41) and is connected.

6. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 5, wherein: a shifting sheet (2221) is integrally arranged on the outer side wall of the sliding column (222) close to the compression spring (224), the shifting sheet (2221) is vertical to the cover plate (2) and is arranged towards the cover plate (2), one side of the cover plate (2) close to the slide rail (4) is provided with a first sliding groove (223) which penetrates through the cover plate (2), one side of the embedded column (225) close to the cover plate (2) is provided with a second sliding groove (227), the second sliding groove (227) penetrates through the side wall of the embedded column (225) close to the opening, the first sliding groove (223) is communicated with the second sliding groove (227), the shifting sheet (2221) is sequentially arranged in the second sliding groove (227) and the first sliding groove (223) in a penetrating way, the poking sheet (2221) extends out of the first sliding groove (223), and the poking sheet (2221) is connected with the first sliding groove (223) and the second sliding groove (227) in a sliding mode.

7. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 4, wherein: the sliding groove (41) is provided with a locking hole (42) for inserting and clamping the sliding column (222), and the locking hole (42) is arranged at the bottom of the sliding groove (41) and communicated with the sliding groove (41).

8. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 1, wherein: one side of the cover plate (2) far away from the box body (1) is provided with at least one groove (21).

9. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 1, wherein: the holding part (32) is sleeved with a buffer sleeve (33).

10. The atomic fluorescence spectrometer for detecting the selenium content in the food as claimed in claim 1, wherein: the storage groove (11) is embedded with a reset rope (13), one end of the reset rope (13) is fixedly connected with the holding part (32), and the other end of the reset rope (13) is fixedly connected with the bottom of the storage groove (11).