Large-density temporary rearing device for snails in laboratory

Abstract

The device comprises a box body with an opening in the top and a lateral telescopic mechanism, a plurality of supports are arranged in the box body at intervals, a plurality of breeding grid baskets capable of being pulled out of the supports are arranged in the supports at intervals from top to bottom, a plurality of opposite guide grooves are formed in the inner wall of the box body, and the guide grooves are arranged in the box body. A guide groove is formed in the box body, a guide rail matched with the guide groove is fixed to the outer side of the support, a plurality of locking holes are formed in the guide rail at intervals in the longitudinal direction, locking pins capable of being matched with the locking holes in an inserted mode are arranged on the outer side of the box body, and the lateral telescopic structures are arranged on the two sides of the box body and can drive the locking pins to be inserted into or retreat from the locking holes. The positions of the support and the box body are relatively fixed, and when the locking pin retreats from the locking hole, the support slides relative to the box body. The snail sorting device is compact in structure, small in occupied area, high in space utilization rate and convenient to sort, take and place snails.

Description

Technical Field

[0001] The invention relates to a temporary culture device, in particular to a high-density temporary culture device for snails used in a laboratory. Background Art

[0002] Snails (such as the weaving snail) are usually used to detect and analyze chemical components such as toxins and heavy metals, and are a common biological sample in aquatic laboratories. After being collected, snails are usually temporarily kept in containers such as basins, turnover boxes or buckets in the laboratory for subsequent experiments or tests. However, if snails are temporarily kept in containers such as basins, turnover boxes or buckets, the snails will pile up together, which is not convenient for classification and removal, and the space rate of the container is low.

[0003] In addition, the Chinese patent with authorization announcement number CN208113799U and authorization announcement number November 20, 2018 discloses a detachable aquatic temporary storage box, including a temporary storage box body composed of a plurality of square boxes with upper openings, two connecting holes are arranged on each side of the square box, a plurality of water pipes are arranged on the top of the temporary storage box body, and a plurality of water outlets corresponding to the positions of the square boxes are arranged on the water pipes; the water pipes are arranged on the temporary storage box body through a plurality of brackets, the temporary storage box body is provided with a connecting rod connected in series with the square boxes, the connecting rod passes through the square box through the connecting hole, nuts are arranged at both ends of the connecting rod, and the bottom of the square box is provided with an openable drainage hole. The temporary storage box has the following defects: (1) It is large in size and occupies a large area when in use, and is not suitable for use in a laboratory; (2) The space utilization rate is low. Summary of the invention

[0004] The present invention aims to solve the above problems existing in the aquatic temporary rearing box of the prior art, and provides a laboratory snail high-density temporary rearing device which has a compact structure, small footprint, high space utilization, and convenient snail classification and placement.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a high-density temporary culture device for snails for laboratory use of the present invention comprises a box body with an open top and a lateral telescopic mechanism, a plurality of brackets are arranged at intervals in the box body, a plurality of breeding mesh baskets which can be pulled out therefrom are arranged at intervals from top to bottom in the brackets, a plurality of relative guide grooves are arranged on the inner wall of the box body, a guide rail adapted to the guide groove is fixed on the outer side of the bracket, a plurality of locking holes are arranged at intervals along the longitudinal direction on the guide rail, a locking pin which can be plugged into the locking hole is arranged on the outer side of the box body, the lateral telescopic structure is arranged on both sides of the box body, the lateral telescopic structure can drive the locking pin to insert into or withdraw from the locking hole, when the locking pin is inserted into the locking hole, the position between the bracket and the box body is relatively fixed, when the locking pin withdraws from the locking hole, the bracket slides relative to the box body. The invention is mainly used for temporarily raising snails to be tested in a laboratory. The length, width and height should not be too large so as to be convenient for placement and use. The length is preferably not more than 160 cm, the width is preferably not more than 60 cm, and the height is preferably not more than 60 cm. A plurality of brackets are arranged in the invention, and a multi-layer breeding grid basket is arranged in the bracket. The space utilization rate of the invention can be improved by this design, and the classification and placement of the snails are convenient. The water level of the invention when in use is set according to actual needs. When the snails are to be taken, the locking pin is driven to exit the locking hole by the lateral telescopic structure, and the bracket is unlocked and then lifted upward to raise the breeding grid basket for temporarily raising the snails to be taken to a required height. The locking pin is driven to insert into the locking hole by the lateral telescopic structure to lock the bracket, and the breeding grid basket can be pulled out to take the snails therein. After taking, the breeding grid basket is pushed into the breeding grid basket to reset it, and the locking pin is driven to exit the locking hole by the lateral telescopic structure to unlock the bracket, so that the bracket and the breeding grid basket fall into the box again. The guide rail plays the role of guiding and limiting, and also plays the role of cooperating with the locking pin.

[0006] Preferably, the lateral telescopic mechanism includes a U-shaped frame, a movable plate and a conical head arranged on one side of the box body, the movable plate is located outside the box body on both sides of the U-shaped frame, the conical head is located inside the U-shaped frame, ball heads are provided on both sides of the conical head, a connecting rod passing through the U-shaped frame and slidingly matched with the U-shaped frame is fixed on the ball head, the outer end of the connecting rod is fixedly connected to the movable plate, the locking pin is fixed on the movable plate, a clamping spring is sleeved on the part of the connecting rod located between the U-shaped frame and the ball head, the ball head contacts the inclined surface of the conical head under the action of the clamping spring, a pull rod is fixed on the conical head, the pull rod passes through the U-shaped frame and slides with the U-shaped frame, a handle is fixed on the outer end of the pull rod, and a spring is sleeved on the part of the pull rod located between the U-shaped frame and the handle. The lateral telescopic mechanism in the present invention has a simple structure and is easy to use. When the pull rod is pulled outward, the spring is compressed and the inclined surface of the conical head squeezes the ball head, so that the connecting rod drives the locking pins on both sides of the box to move outward and exit the locking holes at the same time; when the pull rod is released, the spring is reset, and the ball head slides along the inclined surface of the conical head, so that the connecting rod drives the locking pins on both sides of the box to move inward and insert into the locking holes at the same time.

[0007] Preferably, guide rods are fixed on both sides of the box body, the guide rods pass through the movable plate, and limit baffles are fixed on the outer ends of the guide rods.

[0008] Preferably, a fixed plate is fixed on the movable plate, and the locking pin is arranged on the fixed plate.

[0009] Preferably, a guide sleeve is provided on the outer side of the side plate of the U-shaped frame, and the connecting rod passes through the guide sleeve and is slidably fitted with the guide sleeve.

[0010] Preferably, the end surface of the locking pin is a spherical surface, which plays a guiding role.

[0011] Preferably, the bracket includes two side vertical plates arranged opposite to each other and a partition plate arranged between the side vertical plates, the space between adjacent partition plates forms a placement room for placing the breeding grid basket, and the guide rail is fixed on the outer side surface of the side vertical plates.

[0012] Preferably, the partition is provided with flow holes.

[0013] Preferably, limit sliding blocks are provided on both sides of the breeding grid basket, and limit sliding grooves are provided on the inner sides of the side vertical plates, and the limit sliding blocks are slidably matched with the limit sliding grooves.

[0014] Preferably, a handle is provided at the upper end of the side panel.

[0015] Therefore, the present invention has the following beneficial effects: (1) Multiple brackets are arranged in the box, and multi-layer breeding grid baskets are arranged in the brackets, which can improve the space utilization rate and facilitate the classification and placement of snails; (2) Through the cooperation of the lateral telescopic structure, the locking pin and the locking hole, the bracket can be freely moved and locked, which is convenient for taking and placing screws and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the front view of the present invention.

[0017] Figure 2 It is a top view of the present invention.

[0018] Figure 3 This is the front view of the bracket.

[0019] Figure 4 yes Figure 3 Cross-sectional view along the AA direction.

[0020] Figure 5 It is a connection diagram of the movable plate and the fixed plate.

[0021] Figure 6 yes Figure 1 Enlarged view of point B in the middle.

[0022] Figure 7 yes Figure 1 Sectional view at point C in the middle.

[0023] In the figure: box body 1, bracket 2, breeding grid basket 3, guide groove 4, guide rail 5, locking hole 6, locking pin 7, U-shaped frame 8, movable plate 9, conical head 10, ball head 11, connecting rod 12, tightening spring 13, pull rod 14, handle 15, spring 16, guide rod 17, limit baffle 18, fixed plate 19, guide sleeve 20, side plate 21, partition 22, placement chamber 23, circulation hole 24, limit slider 25, limit slide groove 26. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] like Figure 1 , Figure 2 The present invention shows a laboratory snail high-density temporary culture device, comprising a box body 1 with an open top and a lateral telescopic mechanism, wherein a plurality of brackets 2 are arranged at intervals in the box body, and the brackets include two side upright plates 21 arranged opposite to each other and a partition plate 22 (such as Figure 3 As shown, a handle 27 is provided at the upper end of the side plate, a flow hole 24 is provided on the partition, and the space between adjacent partitions forms a placement chamber 23 for placing the breeding mesh basket (as shown in FIG. Figure 4 As shown, the guide rail is fixed on the outer side of the side plate, and a breeding mesh basket 3 that can be pulled out from the room is placed. Limiting sliders 25 are fixed on both sides of the breeding mesh basket, and limiting slide grooves 26 are provided on the inner side of the side plate. The limiting slider and the limiting slide groove are slidably matched (as shown in FIG. Figure 7 As shown in FIG. 1 ), a plurality of guide grooves 4 are provided on the inner wall of the box body, a guide rail 5 adapted to the guide groove is fixed on the outer side of the bracket, and a plurality of locking holes 6 are provided on the guide rail at intervals along the longitudinal direction (as shown in FIG. Figure 6 As shown in the figure, the lateral telescopic structure is arranged on both sides of the box body, and the lateral telescopic mechanism includes a U-shaped frame 8, a movable plate 9 and a conical head 10 arranged on one side of the box body. The movable plate is located outside the box body on both sides of the U-shaped frame. Guide rods 17 are fixed on both sides of the box body. The guide rods pass through the movable plate. The outer ends of the guide rods are fixed with limited baffles 18. The movable plate is fixed with a fixed plate 19 (as shown in the figure). Figure 5As shown), a locking pin 7 that can be plugged into the locking hole is fixed on the fixed plate, the end face of the locking pin is set to a spherical surface, the conical head is located in the U-shaped frame, and ball heads 11 are provided on both sides of the conical head. A connecting rod 12 that passes through the U-shaped frame and slides with the U-shaped frame is fixed to the ball head, and a guide sleeve 20 is fixed to the outer side of the side plate of the U-shaped frame. The connecting rod passes through the guide sleeve and slides with the guide sleeve. The outer end of the connecting rod is fixedly connected to the movable plate, and the locking pin is fixed to the movable plate. A tightening spring 13 is sleeved on the part of the connecting rod located between the U-shaped frame and the ball head. The ball head contacts the inclined surface of the conical head under the action of the tightening spring, and a pull rod 14 is fixed on the conical head. The pull rod passes through the U-shaped frame and slides with the U-shaped frame. A handle 15 is fixed to the outer end of the pull rod, and a spring 16 is sleeved on the part of the pull rod located between the U-shaped frame and the handle.

[0026] The method of using the present invention is as follows: when the snails to be temporarily cultured are to be placed, the pull rod is pulled outward to compress the spring, and the inclined surface of the conical head squeezes the ball head outward, so that the connecting rod drives the locking pins located on both sides of the box body to move outward at the same time to exit the locking hole, and the guide rail on the bracket can move along the guide groove, and the bracket is lifted upward, so that the breeding mesh basket for the snails to be placed is lifted to a suitable height (such as Figure 1 As shown), loosen the pull rod to insert the locking pin into the corresponding locking hole, the bracket is fixed relatively to the box body, and the breeding grid basket can be pulled out to place snails in the breeding grid basket. After placing, push the breeding grid basket in to reset it, pull the pull rod outward to compress the spring, and the inclined surface of the conical head squeezes the ball head outward, so that the connecting rod drives the locking pins on both sides of the box body to move outward at the same time to exit the locking hole, and wait for the bracket and the breeding grid basket to fall back into the box body under the action of gravity, and then release the pull rod; the method of taking snails is the same as the method of placing snails.

[0027] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A laboratory snail high-density temporary culture device, characterized in that: The invention comprises a box body (1) with an open top and a lateral telescopic mechanism, wherein a plurality of brackets (2) are arranged at intervals in the box body, a plurality of breeding mesh baskets (3) which can be drawn out from the brackets are arranged at intervals from top to bottom, a plurality of guide grooves (4) are arranged on the inner wall of the box body, a guide rail (5) adapted to the guide grooves is fixed on the outer side of the brackets, a plurality of locking holes (6) are arranged at intervals along the longitudinal direction of the guide rails, a locking pin (7) which can be plugged into the locking hole is arranged on the outer side of the box body, the lateral telescopic structure is arranged on both sides of the box body, and the lateral telescopic structure can drive the locking pin to be inserted into or withdrawn from the locking hole, when the locking pin is inserted into the locking hole, the position between the bracket and the box body is relatively fixed, and when the locking pin is withdrawn from the locking hole, the bracket slides relative to the box body.

2. A laboratory snail high-density temporary culture device according to claim 1, characterized in that: The lateral telescopic mechanism comprises a U-shaped frame (8), a movable plate (9) and a conical head (10) arranged on one side of the box body, the movable plate is located outside the box body on both sides of the U-shaped frame, the conical head is located inside the U-shaped frame, ball heads (11) are provided on both sides of the conical head, a connecting rod (12) passing through the U-shaped frame and slidingly matched with the U-shaped frame is fixed on the ball head, the outer end of the connecting rod is fixedly connected to the movable plate, the locking pin is fixed on the movable plate, a tightening spring (13) is sleeved on the part of the connecting rod located between the U-shaped frame and the ball head, the ball head contacts the inclined surface of the conical head under the action of the tightening spring, a pull rod (14) is fixed on the conical head, the pull rod passes through the U-shaped frame and slides with the U-shaped frame, a handle (15) is fixed on the outer end of the pull rod, and a spring (16) is sleeved on the part of the pull rod located between the U-shaped frame and the handle.

3. A laboratory snail high-density temporary culture device according to claim 2, characterized in that: Guide rods (17) are fixed on both sides of the box body, the guide rods pass through the movable plate, and the outer ends of the guide rods are fixed with limit baffles (18).

4. A laboratory snail high-density temporary culture device according to claim 2, characterized in that: A fixed plate (19) is fixed on the movable plate, and the locking pin is arranged on the fixed plate.

5. A laboratory snail high-density temporary culture device according to claim 2, characterized in that: A guide sleeve (20) is provided on the outer side of the side plate of the U-shaped frame, and the connecting rod passes through the guide sleeve and is slidably fitted with the guide sleeve.

6. A laboratory snail high-density temporary culture device according to claim 1, characterized in that: The end surface of the locking pin is configured as a spherical surface.

7. A laboratory snail high-density temporary culture device according to claim 1, characterized in that: The support comprises two side upright plates (21) arranged opposite to each other and a partition plate (22) arranged between the side upright plates, the space between adjacent partition plates forms a placement chamber (23) for placing aquaculture mesh baskets, and the guide rail is fixed on the outer side surface of the side upright plates.

8. A laboratory snail high-density temporary culture device according to claim 7, characterized in that: The partition plate is provided with a flow hole (24).

9. A laboratory snail high-density temporary culture device according to claim 7, characterized in that: Limiting slide blocks (25) are provided on both sides of the breeding grid basket, and limiting sliding grooves (26) are provided on the inner side surfaces of the side vertical plates, and the limiting slide blocks are slidably matched with the limiting sliding grooves.

10. The high-density snail culture device for laboratory use according to claim 7, characterized in that: A handle (27) is provided at the upper end of the side stand.

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