CN220315754U - Detection kit - Google Patents

Abstract

The utility model provides a detection kit, which relates to the technical field of microorganism detection and comprises the following components: a kit body; a partition board is fixedly connected in the middle of the main body of the kit; the isolation plate is of a rectangular plate-shaped structure; the rear part of the isolation plate is fixedly connected with a connecting rotating shaft; two sealing plates are symmetrically and rotationally connected to the outer part of the connecting rotating shaft; two limit baffles are symmetrically and fixedly connected to the rear part of the isolation plate. After the sealing plate on the left side is opened, the extrusion rod loses the extrusion of the sealing plate on the left side and can reset along with the rebound of the reset spring, and after the extrusion rod resets, the fixed inserted bar can be separated from the right side sealing plate, so that the right side sealing plate can be opened, and the used reagent tube can be taken by an experimenter again conveniently.

Description

Detection kit

Technical Field

The utility model relates to the technical field of microorganism detection, in particular to a detection kit.

Background

When the kit is used, the reagent tube is placed into the kit main body through the fixing sleeve for storage, and when the reagent is needed to be used, the reagent tube is taken out from the kit main body.

For example: the utility model discloses a detection kit with the application number of CN202320063633.1, which particularly comprises a box body, wherein a fixing hole is formed in the side wall of the box body, an extension box in sliding clamping connection is arranged in the box body, a plurality of adjusting holes are formed in the side wall of the extension box, and clamping rods respectively penetrate through the fixing hole and the adjusting holes. This application is through fixed orifices, extension box, regulation hole, U-shaped frame, screw rod, twist movable block, slide and card pole that set up, can wholly expand the volume to the kit for the kit can deposit more reagents, and this application has designed rectangle piece, round bar, first spring, buffer board, rectangular plate and second spring to the kit after the capacity enlarges, can play the cushioning effect to whole, has increased its barrier propterty, has reduced unnecessary damage.

However, in the conventional detection kit at present, a small amount of reagents in the reagent tube are usually used for multiple times in the process of detecting microorganisms, and the conventional detection kit usually mixes the used reagent tube with the unused reagent tube in the process of using the conventional detection kit, so that the used reagent tube is difficult to distinguish by an experimenter when the reagent is reused, and a new reagent tube is easy to take and use, thereby influencing the utilization rate of the reagents in the used reagent tube, and being inconvenient to use.

Disclosure of Invention

In view of the above, the utility model provides a detection kit, which has a sealing plate which enables an experimenter to use a used reagent tube preferentially, when the experimenter needs to take the reagent tube, the experimenter needs to open the left sealing plate first, after the left sealing plate is opened, the extrusion rod loses extrusion of the left sealing plate and can reset along with rebound of a reset spring, after the extrusion rod resets, a fixed inserting rod can be separated from the right sealing plate, at the moment, the right sealing plate can be opened, and in the process of detecting microorganisms, the experimenter can place the used reagent tube below the left sealing plate, so that the experimenter can conveniently take the used reagent tube again, the experimenter is prevented from taking a new reagent tube, the utilization rate of reagents in the reagent tube is effectively improved, and the effective utilization of the reagents in the reagent tube is ensured.

The utility model provides a detection kit, which specifically comprises: a kit body; a partition board is fixedly connected in the middle of the main body of the kit; the isolation plate is of a rectangular plate-shaped structure; the rear part of the isolation plate is fixedly connected with a connecting rotating shaft; two sealing plates are symmetrically and rotationally connected to the outer part of the connecting rotating shaft; two limit baffles are symmetrically and fixedly connected to the rear part of the isolation plate; the rear parts of the two sealing plates are respectively arranged in the two groups of limiting baffles; the front parts of the bottom end faces of the two sealing plates are fixedly connected with a gravity block; the front parts of the top end faces of the two sealing plates are fixedly connected with an auxiliary pull ring; the rear part of the bottom end surface of the kit main body is centrally connected with a supporting plate in a rotating way.

Optionally, the lower parts of the isolation plates are symmetrically and fixedly connected with a group of auxiliary seats; a group of clamping blocks are fixedly connected in the two groups of auxiliary seats; the outer sides of the two groups of clamping blocks are fixedly connected with a group of clamping springs; the tail ends of the two groups of clamping springs are respectively and fixedly connected in the two groups of auxiliary seats.

Optionally, two fixing blocks are symmetrically and fixedly connected to the top end surface of the supporting plate; two mounting sliding grooves are symmetrically formed in the lower part of the kit main body; the lower part of the kit main body is symmetrically and rotationally connected with two control screws; the outer parts of the two control screws are respectively connected with a connecting plug block in a threaded manner; the two connecting plug blocks are respectively and slidably connected in the two mounting sliding grooves; the tail ends of the two connecting plug blocks are respectively inserted into the two fixed blocks; the front end face of the supporting plate is fixedly connected with an anti-slip pad.

Optionally, an auxiliary groove is formed in the upper portion of the isolation plate; the auxiliary groove is connected with an extrusion rod in a sliding way; two auxiliary sliding plates are symmetrically and fixedly connected to the outer part of the extrusion rod; the two auxiliary sliding plates are both connected in the auxiliary groove in a sliding way; the right end surfaces of the two auxiliary sliding plates are fixedly connected with a reset spring; the tail ends of the two reset springs are fixedly connected in the auxiliary groove; the sealing plate at the left side is contacted with the left end face of the extrusion rod; the right end face of the extrusion rod is fixedly connected with a fixed inserted link in the middle; the tail end of the fixed inserted link is inserted into the right sealing plate.

Optionally, the upper part of the isolation plate is symmetrically connected with two groups of auxiliary rotating plates in a rotating way; the outer sides of the two groups of auxiliary rotating plates are fixedly connected with a group of mounting frames; a group of transparent plates are slidably connected in the two groups of mounting frames.

Optionally, a connecting slot is arranged in the middle of the front end surfaces of the two sealing plates; two limit sliding grooves are symmetrically formed in the front of the kit main body; a limiting plugboard is fixedly connected in each of the two limiting sliding grooves; the tail ends of the two limiting plugboards are respectively spliced in the two connecting slots; two locating grooves are symmetrically formed in the top end faces of the two limiting plugboards; two sliding grooves are symmetrically formed in the upper part of the front end face of the kit main body; a group of supporting springs are fixedly connected in the two sliding grooves; the tail ends of the two groups of supporting springs are fixedly connected with a positioning frame; the two locating frames are respectively and slidably connected in the two sliding grooves; the tail ends of the two locating frames are respectively inserted into the two locating grooves at the front part.

Advantageous effects

According to the utility model, the experimenter must use the used reagent tube preferentially in the using process, so that the experimenter is prevented from taking a new reagent tube, the utilization rate of the reagent in the reagent tube is effectively improved, the effective utilization of the reagent in the reagent tube is ensured, the tightness of the main body of the kit in the transporting process is effectively ensured, the operation is simple and quick, the use is more convenient, and the practicability of the detection kit is effectively improved.

In addition, when needs take the reagent pipe, the experimenter must open left closing plate earlier, after left closing plate is opened, the extrusion that the extruding rod lost left side sealing plate at this moment can reset along with reset spring's resilience, fixed inserted bar can follow right side closing plate in the extruding rod resets the back and break away from, right side closing plate can be opened this moment, in the in-process that carries out microorganism and detects, the experimenter can place the reagent pipe that has used in the below of left side closing plate, make things convenient for the experimenter to take the reagent pipe that has used once more, avoid the experimenter to take new reagent pipe, the effectual utilization ratio that has improved reagent in the reagent pipe, guarantee the effective utilization of reagent in the reagent pipe.

In addition, the locating rack is pegged graft in two constant head tanks in the front under initial condition, spacing picture peg at this moment can peg graft in the connecting slot and carry out spacingly to the closing plate, make the closing plate be in normally closed state, prevent to open the in-process closing plate at the transportation and lead to reagent pipe roll-off, when the reagent pipe of reagent box main part is required to be taken and use, the experimenter can pull the side and can pull the locating rack and make it slide in the sliding tray and extrude supporting spring, when locating rack breaks away from with the constant head tank, experimenter side can pull spacing picture peg and pull two constant head tanks in the rear portion to the below of locating rack, loosen the locating rack and make the locating rack reset the picture peg to carry out spacing fixedly to the rear portion constant head tank along with the resilience of supporting spring afterwards, spacing picture peg at this moment is completely broken away from with the connecting slot, but the spacing side of spacing picture peg is free to switch for the closing plate loss, the operating side can be swift, the effectual leakproofness of guaranteeing the reagent box main part in the transportation, it is more convenient to use.

In addition, make control screw drive through rotating control screw and connect the inserted block and slide in the installation spout, but the experimenter side rotates the backup pad when connecting the inserted block and breaking away from with the fixed block completely, can make the kit main part be the slope form and place through the support of backup pad, make things convenient for experimenter to take reagent in the kit main part.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

In the drawings:

FIG. 1 is a schematic diagram of an axial structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the present utility model.

FIG. 3 is a schematic diagram of an axial structure of the spacer of the present utility model.

FIG. 4 is a schematic diagram of a sectional isometric configuration of the present utility model.

Fig. 5 is an enlarged schematic view of the structure of fig. 4 at a in accordance with the present utility model.

Fig. 6 is a schematic diagram of an isometric structure of the support plate of the present utility model.

Fig. 7 is an enlarged schematic view of the structure of fig. 6B according to the present utility model.

FIG. 8 is a schematic diagram of an axial structure of an auxiliary rotating plate according to the present utility model.

List of reference numerals

1. A kit body; 101. a partition plate; 102. a sliding groove; 103. a limit baffle; 104. the connecting rotating shaft; 105. a sealing plate; 106. a gravity block; 107. an auxiliary pull ring; 108. an auxiliary groove; 109. a return spring; 110. an auxiliary skateboard; 111. an extrusion rod; 112. fixing the inserted link; 113. a connection slot; 114. limiting sliding grooves; 115. limiting plugboards; 116. a positioning groove; 117. an auxiliary seat; 118. a clamping block; 119. a clamping spring; 120. an auxiliary rotating plate; 121. a mounting frame; 122. a transparent plate; 123. a support plate; 124. an anti-slip pad; 125. a control screw; 126. a fixed block; 127. installing a chute; 128. connecting the plug blocks; 129. a support spring; 130. and a positioning frame.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.

Examples: please refer to fig. 1 to 8:

the utility model provides a detection kit, which comprises: a kit main body 1;

the two limit baffles 103 are fixedly connected with a separation plate 101 in the middle of the reagent box main body 1; the partition plate 101 has a rectangular plate-like structure; the rear part of the isolation plate 101 is fixedly connected with a connecting rotating shaft 104; two sealing plates 105 are symmetrically and rotatably connected to the outer part of the connecting rotating shaft 104; two limit baffles 103 are symmetrically and fixedly connected to the rear part of the isolation plate 101; the rear parts of the two sealing plates 105 are respectively arranged in the two limit baffles 103; the front parts of the bottom end faces of the two sealing plates 105 are fixedly connected with a gravity block 106; the front parts of the top end surfaces of the two sealing plates 105 are fixedly connected with an auxiliary pull ring 107; the rear part of the bottom end surface of the kit body 1 is centrally rotatably connected with a supporting plate 123.

In addition, according to the embodiment of the present utility model, as shown in fig. 2 and 3, a group of auxiliary seats 117 are symmetrically and fixedly connected to the lower parts of the isolation plates 101 of the two limit baffles 103; a group of clamping blocks 118 are fixedly connected in the two groups of auxiliary seats 117; a group of clamping springs 119 are fixedly connected to the outer sides of the two groups of clamping blocks 118; the end of two sets of clamping springs 119 is fixed connection respectively in two sets of auxiliary seats 117 to can fix the reagent pipe of equidimension not through the cooperation of clamping springs 119 and grip block 118, can also prevent the damage that the in-process reagent pipe of transportation collides each other through the fixation of grip block 118 to the reagent pipe simultaneously, it is more convenient to use, the practicality of effectual improvement detection kit.

In addition, according to the embodiment of the present utility model, as shown in fig. 6 and 7, two fixing blocks 126 are symmetrically and fixedly connected to the top end surfaces of the supporting plates 123 of the two limit baffles 103; two mounting sliding grooves 127 are symmetrically formed in the lower part of the kit main body 1; two control screws 125 are symmetrically and rotatably connected to the lower part of the kit main body 1; a connecting plug 128 is connected to the outer parts of the two control screws 125 in a threaded manner; the two connecting plugs 128 are respectively and slidably connected in the two mounting slide grooves 127; the tail ends of the two connecting plug blocks 128 are respectively inserted into the two fixed blocks 126; the preceding terminal surface fixedly connected with slipmat 124 of backup pad 123 to make control screw 125 drive through rotating control screw 125 connect the dog 128 and slide in installation spout 127, rotatable backup pad 123 of experimenter side when connecting dog 128 and fixed block 126 break away from completely, can make kit main part 1 be the slope form and place through the support of backup pad 123, make things convenient for the experimenter to take reagent in the kit main part 1, can provide good frictional force through the setting of slipmat 124 and prevent backup pad 123 from taking place the skew for backup pad 123, when needs take reagent, the experimenter only need pull auxiliary pull ring 107 makes auxiliary pull ring 107 drive closing plate 105 along connecting pivot 104 rotation with kit main part 1 opening, limit baffle 103's setting can prevent closing plate 105 rotatory transition, sealing plate 105 can be under the gravity effect of gravity piece 106 after the test tube is taken and is accomplished, easy operation is swift, it is more convenient to use.

In addition, according to the embodiment of the present utility model, as shown in fig. 1 and 4, an auxiliary groove 108 is formed at the upper portion of the partition plate 101 of the two limit baffles 103; an extrusion rod 111 is slidably connected to the auxiliary groove 108; two auxiliary sliding plates 110 are symmetrically and fixedly connected to the outer part of the extrusion rod 111; both auxiliary sliding plates 110 are slidably connected in the auxiliary groove 108; the right end surfaces of the two auxiliary sliding plates 110 are fixedly connected with a return spring 109; the tail ends of the two return springs 109 are fixedly connected in the auxiliary groove 108; the sealing plate 105 on the left side is in contact with the left end surface of the pressing rod 111; the right end face of the extrusion rod 111 is fixedly connected with a fixed inserted rod 112 in the middle; the end of fixed inserted bar 112 is pegged graft in right side closing plate 105 to when needs take the reagent pipe, the experimenter must open left closing plate 105 earlier, after left closing plate 105 opens, extrusion bar 111 loses the extrusion of left closing plate 105 and can reset along with reset spring 109's resilience this moment, fixed inserted bar 112 can break away from in right side closing plate 105 after extrusion bar 111 resets, right side closing plate 105 can be opened this moment, in the in-process that carries out microorganism detection the personnel of using can place the reagent pipe that has used in the below of left side closing plate 105, make things convenient for the experimenter to take the reagent pipe that has used again, avoid the experimenter to take new reagent pipe, the effectual utilization ratio that has improved reagent in the reagent pipe, guarantee the effective utilization of reagent in the reagent pipe.

In addition, according to the embodiment of the present utility model, as shown in fig. 3 and 8, two sets of auxiliary rotating plates 120 are symmetrically and rotatably connected to the upper portions of the two limit baffles 103 and the partition plate 101; a group of mounting frames 121 are fixedly connected to the outer sides of the two groups of auxiliary rotating plates 120; all sliding connection has a set of transparent plate 122 in two sets of mounting brackets 121 to in the in-process that carries out microorganism and detect that the experimenter can place the data card of detection between mounting bracket 121 and the transparent plate 122, need not paste detection data on the reagent pipe, prevent because the friction leads to the data that posts to take place to damage on the reagent pipe, the effectual universality that detects the kit that has improved, simultaneously can make things convenient for experimenter to stand mounting bracket 121 through can pivoted supplementary rotating plate 120, make things convenient for the experimenter to observe the data card of placing on the mounting bracket 121.

In addition, according to the embodiment of the present utility model, as shown in fig. 4 and 5, a connection slot 113 is centrally formed on the front end surfaces of the sealing plates 105 of the two limit baffles 103; two limit sliding grooves 114 are symmetrically formed in the front part of the kit main body 1; a limiting plugboard 115 is fixedly connected in each limiting chute 114; the tail ends of the two limiting plugboards 115 are respectively spliced in the two connecting slots 113; two positioning grooves 116 are symmetrically formed in the top end surfaces of the two limiting plugboards 115; two sliding grooves 102 are symmetrically formed in the upper part of the front end face of the kit main body 1; a group of supporting springs 129 are fixedly connected in the two sliding grooves 102; the tail ends of the two groups of supporting springs 129 are fixedly connected with a positioning frame 130; the two positioning frames 130 are respectively and slidably connected in the two sliding grooves 102; the tail ends of the two locating frames 130 are respectively inserted into the two locating grooves 116 at the front part, so that the locating frames 130 are inserted into the two locating grooves 116 at the front part under the initial state, the limiting plugboard 115 at the moment can be inserted into the connecting slot 113 to limit the sealing plate 105, so that the sealing plate 105 is in a normally closed state, the sealing plate 105 is prevented from being opened in the transportation process to lead to the reagent tube to slide out, when the reagent tube of the reagent box main body 1 needs to be taken, an experimenter can pull the locating frames 130 to enable the locating frames 130 to slide in the sliding grooves 102 and squeeze the supporting springs 129, when the locating frames 130 are separated from the locating grooves 116, the experimenter can pull the limiting plugboard 115 to pull the two locating grooves 116 at the rear part to the lower part of the locating frames 130, then the locating frames 130 are loosened to enable the limiting plugboard 115 to be in a limiting fixing mode along with the rebound of the supporting springs 129, and the limiting plugboard 115 is completely separated from the connecting slot 113, so that the limiting direction of the limiting plugboard 105 loses the limiting direction of the limiting plugboard 115, the reagent box main body 1 can be freely switched, the experimenter can be operated, the sealing performance of the reagent box main body 1 in the transportation process is effectively ensured, and the use is more convenient.

Specific use and action of the embodiment:

in the using process of the utility model, the positioning frame 130 is inserted into the front two positioning grooves 116 in the initial state, the limiting plugboard 115 is inserted into the connecting slot 113 to limit the sealing plate 105, so that the sealing plate 105 is in a normally closed state, the reagent tube is prevented from sliding out due to the fact that the sealing plate 105 is opened in the transporting process, when the reagent tube of the reagent box main body 1 needs to be taken, an experimenter can pull the positioning frame 130 to slide in the sliding groove 102 and squeeze the supporting spring 129, when the positioning frame 130 is separated from the positioning groove 116, the experimenter can pull the limiting plugboard 115 to pull the rear two positioning grooves 116 below the positioning frame 130, then the positioning frame 130 is released to enable the positioning frame 130 to be reset and inserted into the rear positioning groove 116 along with the rebound of the supporting spring 129 to limit and fix the limiting plugboard 115, and the limiting plugboard 115 is completely separated from the connecting slot 113 at the moment, the sealing plate 105 loses the limit of the limit plugboard 115 and can be freely opened and closed, the operation is quick, the tightness of the reagent box main body 1 in the transportation process is effectively ensured, the reagent box is more convenient to use, reagent pipes with different sizes can be fixed through the matching of the clamping springs 119 and the clamping blocks 118, meanwhile, the reagent pipes can be prevented from being damaged due to mutual collision in the transportation process through the fixing of the clamping blocks 118, the practicability of the detection reagent box is more convenient to use, the control screw 125 drives the connecting plugboard 128 to slide in the installation chute 127 through rotating the control screw 125, the experimenter can rotate the supporting plate 123 when the connecting plugboard 128 is completely separated from the fixing block 126, the reagent box main body 1 can be obliquely placed through the support of the supporting plate 123, and the experimenter can conveniently take the reagent in the reagent box main body 1, through the setting of slipmat 124 can provide good frictional force for backup pad 123 and prevent backup pad 123 from taking place the skew, when needs take the reagent, the experimenter only needs pulling auxiliary pull ring 107 makes auxiliary pull ring 107 drive closing plate 105 rotate along connecting pivot 104 and opens reagent box main part 1, limit baffle 103's setting can prevent closing plate 105 rotatory transition, closing plate 105 can be under the action of gravity piece 106 after the test tube is taken, easy operation is swift, when needs take the reagent tube, experimenter must open left closing plate 105 earlier, open the back at left closing plate 105, this moment, extrusion rod 111 loses the extrusion of left side closing plate 105 can reset along with reset spring 109's resilience, fixed inserted bar 112 can follow right side closing plate 105 in this moment, right side closing plate 105 can be opened, in-process user who carries out microbiological detection can place the reagent tube of having used in the below of left side closing plate 105, the reagent tube that makes things convenient for experimenter to take the reagent tube that has used again, it is more convenient for experimenter to take new reagent tube to take, effectively improve the card, effectively improve the utilization ratio of reagent tube can be guaranteed that can take place the data can be put the data in the test rack 121 and can take place the reagent tube and can be put up the reagent tube to the data of the experimenter to the test rack to the convenient for the test plate to take place, the test plate 121 can be put up by the reagent 121 in the test plate is convenient for the test plate to the test plate is easy to the test.

Claims (6)

1. A test kit, comprising: a kit main body (1); a partition board (101) is fixedly connected in the middle of the kit main body (1); the isolation plate (101) is of a rectangular plate-shaped structure; the rear part of the isolation plate (101) is fixedly connected with a connecting rotating shaft (104); two sealing plates (105) are symmetrically and rotatably connected to the outer part of the connecting rotating shaft (104); two limit baffles (103) are symmetrically and fixedly connected to the rear part of the isolation plate (101); the rear parts of the two sealing plates (105) are respectively arranged in the two limit baffles (103); the front parts of the bottom surfaces of the two sealing plates (105) are fixedly connected with a gravity block (106); the front parts of the top end faces of the two sealing plates (105) are fixedly connected with an auxiliary pull ring (107); the rear part of the bottom end surface of the kit main body (1) is centrally connected with a supporting plate (123) in a rotating way.

2. The test kit of claim 1, wherein: the lower parts of the isolation plates (101) are symmetrically and fixedly connected with a group of auxiliary seats (117); a group of clamping blocks (118) are fixedly connected in the two groups of auxiliary seats (117); the outer sides of the two groups of clamping blocks (118) are fixedly connected with a group of clamping springs (119); the tail ends of the two groups of clamping springs (119) are respectively and fixedly connected in the two groups of auxiliary seats (117).

3. The test kit of claim 1, wherein: two fixing blocks (126) are symmetrically and fixedly connected to the top end surface of the supporting plate (123); two mounting sliding grooves (127) are symmetrically formed in the lower part of the kit main body (1); two control screws (125) are symmetrically and rotatably connected to the lower part of the kit main body (1); the outer parts of the two control screws (125) are in threaded connection with a connecting plug block (128); the two connecting plug blocks (128) are respectively and slidably connected in the two mounting sliding grooves (127); the tail ends of the two connecting plug blocks (128) are respectively inserted into the two fixed blocks (126); the front end surface of the supporting plate (123) is fixedly connected with an anti-slip pad (124).

4. The test kit of claim 1, wherein: an auxiliary groove (108) is formed in the upper portion of the isolation plate (101); an extrusion rod (111) is connected in a sliding way in the auxiliary groove (108); two auxiliary sliding plates (110) are symmetrically and fixedly connected to the outer part of the extrusion rod (111); the two auxiliary sliding plates (110) are both connected in the auxiliary groove (108) in a sliding way; the right end surfaces of the two auxiliary sliding plates (110) are fixedly connected with a return spring (109); the tail ends of the two reset springs (109) are fixedly connected in the auxiliary groove (108); the sealing plate (105) on the left side is contacted with the left end surface of the extrusion rod (111); the right end face of the extrusion rod (111) is fixedly connected with a fixed inserted rod (112) in the middle; the tail end of the fixed inserted rod (112) is inserted into the right sealing plate (105).

5. The test kit of claim 1, wherein: the upper part of the isolation plate (101) is symmetrically connected with two groups of auxiliary rotating plates (120) in a rotating way; the outer sides of the two groups of auxiliary rotating plates (120) are fixedly connected with a group of mounting frames (121); a group of transparent plates (122) are slidably connected in the two groups of mounting frames (121).

6. The test kit of claim 1, wherein: the front end surfaces of the two sealing plates (105) are provided with a connecting slot (113) in the middle; two limit sliding grooves (114) are symmetrically formed in the front part of the kit main body (1); a limiting plugboard (115) is fixedly connected in each of the two limiting sliding grooves (114); the tail ends of the two limiting plugboards (115) are respectively spliced in the two connecting slots (113); two locating grooves (116) are symmetrically formed on the top end surfaces of the two limiting plugboards (115); two sliding grooves (102) are symmetrically formed in the upper part of the front end surface of the kit main body (1); a group of supporting springs (129) are fixedly connected in the two sliding grooves (102); the tail ends of the two groups of supporting springs (129) are fixedly connected with a positioning frame (130); the two locating frames (130) are respectively and slidably connected in the two sliding grooves (102); the tail ends of the two locating frames (130) are respectively inserted into the two locating grooves (116) at the front part.