CN115281103B

CN115281103B - IVC cage box and feed adding device thereof

Info

Publication number: CN115281103B
Application number: CN202210015341.0A
Authority: CN
Inventors: 陈通克; 王丽花
Original assignee: Wenzhou Medical University
Current assignee: Wenzhou Medical University
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2023-07-04
Anticipated expiration: 2042-01-07
Also published as: CN115281103A

Abstract

The invention discloses an IVC cage and a feed adding device thereof, which comprise a box and a box cover covered on the box, wherein a feed opening is formed in the box cover, a sliding cover is slidably arranged on the box cover, and the sliding cover is used for controlling the opening and the closing of the feed opening. A material control structure is arranged at the material feeding opening in the box and used for measuring the amount of the fed feed. The material control structure and the sliding cover are arranged in a linkage way, and when the sliding cover is displaced to one side of the material feeding port to enable the material feeding port to be opened, the material control structure forms a measuring cavity for containing feed. When the sliding cover covers the feeding port to enable the feeding port to be closed, the material control structure is separated, and the feed falls into the box. In summary, the above technical scheme has the following beneficial effects: when feeding is needed, the feeding opening is opened by moving the sliding cover to one side of the feeding opening, so that feed can be added into the box, and the existing animal feeding cage box for the laboratory can be used for adding feed only by opening the box cover.

Description

IVC cage box and feed adding device thereof

Technical Field

The invention relates to the field of test cage boxes, in particular to an IVC cage box and a feed adding device thereof.

Background

IVC (individual ventilated cages, independent ventilation cage) cage means miniature SPF-class experimental animal raising and experimental equipment which is independently circulated in a closed independent cage by clean air flow with high ventilation frequency (20-60 times/hour), the exhaust gas is concentrated and discharged, and the experiment can be operated in an ultra-clean workbench or a biosafety cabinet. At present, chinese patent publication No. CN109463292A discloses an animal raising cage box for laboratory and a manufacturing process thereof, and the animal raising cage box comprises a box, an isolation net grid erected on the edge of an opening of the box, and a box cover covered on the box, wherein a water feeding area and a feeding area are recessed towards the inside of the box on the isolation net grid, an inclined water supply cavity embedded into the water feeding area is recessed on the box cover, and an air inlet and an air outlet communicated with an air permeable area are formed in the box cover. Although the animal raising cage for laboratory can independently raise laboratory mice, the animal raising cage needs to be frequently opened for feeding when raising a large number of the laboratory mice, is troublesome to operate and consumes a large amount of time of laboratory staff.

Therefore, how to achieve rapid feed addition for IVC cages is a matter of concern in the present application.

Disclosure of Invention

In view of the shortcomings of the prior art, in one aspect, an IVC cage is provided that can be fed without opening the lid.

In order to achieve the above purpose, the following technical scheme is provided:

the IVC cage comprises a box and a box cover which is arranged on the box in a covering mode, a feeding opening is formed in the box cover, a sliding cover is arranged on the box cover in a sliding mode, and the sliding cover is used for controlling opening and closing of the feeding opening.

A material control structure is arranged at the material feeding opening in the box and used for measuring the amount of the fed feed.

The material control structure and the sliding cover are arranged in a linkage way, and when the sliding cover is displaced to one side of the material feeding port to enable the material feeding port to be opened, the material control structure forms a measuring cavity for containing feed.

When the sliding cover covers the feeding port to enable the feeding port to be closed, the material control structure is separated, and the feed falls into the box.

According to a second aspect of the present invention there is also provided an IVC cage feed supplement device.

The IVC cage box feed adding device comprises a feeding frame, wherein a plurality of feeding grooves are formed in the feeding frame and used for placing a box and a box cover; the feeding rack is internally provided with a food storage cavity which is communicated with each feeding groove through a feeding channel.

In summary, the above technical scheme has the following beneficial effects: when feeding is needed, the feeding opening is opened by moving the sliding cover to one side of the feeding opening, so that feed can be added into the box, and the existing animal feeding cage box for the laboratory can be used for adding feed only by opening the box cover. The feed control structure is arranged in the box and linked with the sliding cover, when the feed inlet is opened, the feed control structure is clamped to form a measuring cavity for containing feed, so that the feed adding amount is conveniently controlled, when the feed inlet is closed through the sliding cover, the feed control structure is separated, and the feed falls into the box. The mode adds the fodder can be more convenient and fast, can avoid the case lid to open the back simultaneously the risk that the mouse can escape. The IVC cage box feed adding device is convenient for carrying out concentrated and rapid feed adding on the cage boxes.

Drawings

Fig. 1 is a schematic diagram of a sliding cover structure of an IVC cage feed adding device;

FIG. 2 is a schematic view of a feed inlet structure of an IVC cage feed adding device;

FIG. 3 is a schematic diagram of a feed control structure of an IVC cage feed adding device;

FIG. 4 is a schematic diagram of the sliding component structure of an IVC cage feed additive device;

FIG. 5 is a schematic view of the structure of the mating components of an IVC cage feed additive device;

FIG. 6 is a schematic view of a measuring chamber structure of an IVC cage feed additive device;

FIG. 7 is an enlarged schematic view of the structure of a measuring chamber of an IVC cage feed additive device;

FIG. 8 is a schematic view of the structure of a connection assembly of an IVC cage feed additive device;

FIG. 9 is a schematic view of the floor structure of an IVC cage feed additive device;

FIG. 10 is a schematic view of a feeding rack structure of an IVC cage feed adding device;

FIG. 11 is a schematic view of a feed channel structure of an IVC cage feed additive device;

FIG. 12 is an enlarged pictorial illustration of the power chamber of an IVC cage feed additive device;

fig. 13 is a schematic view of the screw, worm and motor structure of an IVC cage feed additive device.

Reference numerals: 10. a case; 20. a case cover; 21. a feed port; 211. a leading edge; 212. a trailing edge; 22. a sliding port; 30. a sliding cover; 31. a front end; 32. a rear end; 40. a material control structure; 41. a sliding member; 411. a bottom plate; 4111. a left chute; 4112. a right chute; 412. a left plate; 413. a right plate; 414. a connection assembly; 4141. a left lever; 4142. a right lever; 4143. a vertical rod; 42. a mating member; 421. a front plate; 422. a rear plate; 43. a measurement cavity; 50. a feeding rack; 51. a feeding trough; 52. a food storage cavity; 53. a feed channel; 531. a screw; 532. a motor; 54. a power cavity; 541. a worm; 55. a pushing groove; 551. and pushing the block.

Detailed Description

The invention will now be described in further detail with reference to the drawings and examples. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

As shown in fig. 1-3, an IVC cage comprises a box 10 and a box cover 20 covered on the box 10, wherein a feed opening 21 is formed on the box cover 20, a sliding cover 30 is slidably arranged on the box cover 20, and the sliding cover 30 is used for controlling the opening and closing of the feed opening 21; a material control structure 40 is arranged in the box 10 at the material inlet 21 and is used for measuring the amount of the fed feed; the material control structure 40 is arranged in linkage with the sliding cover 30, and when the sliding cover 30 is moved to one side of the material feeding port 21 to open the material feeding port 21, the material control structure 40 forms a measuring cavity 43 for containing feed; when the sliding cover 30 covers the feed inlet 21 to close the feed inlet 21, the feed control structure 40 is separated, and the feed falls into the case 10. When feeding is needed, the feed can be added into the box 10 by moving the sliding cover 30 to one side of the feed inlet 21 to open the feed inlet 21, and the box cover 20 of the existing animal feeding cage for the laboratory is required to be opened to add the feed. The material control structure 40 which is arranged in linkage with the sliding cover 30 is arranged in the box, when the feed inlet 21 is opened, the material control structure 40 is clamped to form the measuring cavity 43 for containing feed, so that the amount of feed addition is conveniently controlled, when the feed inlet 21 is closed through the sliding cover 30, the material control structure 40 is separated, and the feed falls into the box 10. By adding the feed in this way, the box cover 20 can be more convenient and quick, and the risk that the mice escape after the box cover 20 is opened can be avoided.

Further, the upper edge of the feed inlet 21 is provided with a rubber ring, so that when the sliding cover 30 covers the feed inlet 21, the box 10 is ensured not to leak air, and the tightness is ensured.

As shown in fig. 4-6, the material control structure 40 includes a sliding component 41 and a matching component 42; the sliding part 41 is arranged in the box 10 and connected with the sliding cover 30, and the matching part 42 is arranged in the box 10 and fixedly connected with the bottom of the box cover 20; the sliding part 41 and the matching part 42 can be matched with each other to form a measuring cavity 43 for containing feed. When the sliding cover 30 is moved to one side of the feeding port 21 to open the feeding port 21, the sliding part 41 and the matching part 42 are matched with each other to form a measuring cavity 43 for containing feed; when the slide cover 30 covers the feed inlet 21 to close the feed inlet 21, the slide member 41 is separated from the mating member 42, and the feed falls into the case 10.

The sliding component 41 comprises a bottom plate 411, a left plate 412, a right plate 413 and a connecting component 414, wherein the left plate 412 is fixedly connected with the left edge of the bottom plate 411, the right plate 413 is fixedly connected with the right edge of the bottom plate 411, a sliding opening 22 is formed in the box cover 20 along the sliding direction of the sliding cover 30, one end of the connecting component 414 is connected with the bottom plate 411, and the other end of the connecting component 414 penetrates through the sliding opening 22 to be connected with the sliding cover 30.

When the rear end 32 of the sliding cover 30 is positioned at one side of the front edge 211 of the feed inlet 21 to open the feed inlet 21, the connecting component 414 drives the bottom plate 411, the left plate 412 and the right plate 413 to move below the feed inlet 21, and the bottom plate 411, the left plate 412 and the right plate 413 form a measuring cavity 43 for containing feed together with the front plate 421 and the rear plate 422; when the sliding cover 30 covers the feeding port 21 to close the feeding port 21, the connecting assembly 414 drives the bottom plate 411, the left plate 412 and the right plate 413 to move to one side of the rear plate 422, and the feed is blocked by the rear plate 422 and falls into the case 10.

As shown in fig. 7, the feed port 21 has a front edge 211 and a rear edge 212, the slide cover 30 has a front end 31 and a rear end 32, and when the rear end 32 of the slide cover 30 is located at one side of the front edge 211 of the feed port 21, the feed port 21 is opened; when the rear end 32 of the sliding cover 30 is positioned at one side of the rear edge 212 of the feed opening 21 and the front end 31 of the sliding cover 30 is positioned at one side of the front edge 211 of the feed opening 21, the feed opening 21 is covered and closed by the sliding cover 30; the matching component 42 comprises a front plate 421 and a rear plate 422, the front plate 421 is fixedly arranged below the front edge 211 of the feed opening 21 in the box 10, and the rear plate 422 is fixedly arranged below the rear edge 212 of the feed opening 21 in the box 10.

As shown in fig. 8 and 9, the connecting assembly 414 includes a left rod 4141, a right rod 4142 and a vertical rod 4143, wherein a first end of the vertical rod 4143 passes through the sliding opening 22 and is fixedly connected with the sliding cover 30, and a second end is respectively connected with the first end of the left rod 4141 and the first end of the right rod 4142; the bottom plate 411 is provided with a left chute 4111 at the lower edge of the left side and a right chute 4112 at the lower edge of the right side; the left runner 4111 is in sliding engagement with the left lever 4141 and restrains the second end of the left lever 4141 within the left runner 4111; right runner 4112 is a sliding fit with right lever 4142 and restrains the second end of right lever 4142 within right runner 4112.

The width of the front plate 421 in the left-right direction is larger than the width of the bottom plate 411 in the left-right direction, when the rear end 32 of the slide cover 30 is positioned at the rear edge 212 of the feed inlet 21, the feed inlet 21 is not yet opened, and at this time, the bottom plate 411, the left plate 412 and the right plate 413 have formed a measuring chamber 43 for holding fodder with the front plate 421 and the rear plate 422; when the sliding cover 30 is slid to open the feed port 21, the front plate 421 blocks the bottom plate 411, the left plate 412 and the right plate 413, and the left rod 4141 and the right rod 4142 slide in the opening direction of the sliding cover 30 in the left sliding groove 4111 and the right sliding groove 4112, respectively, until the vertical rod 4143 reaches the front of the sliding port 22 to be limited, at this time, the rear end 32 of the sliding cover 30 is located at the front edge 211 of the feed port 21, and the feed port 21 is completely opened. When the feeding is completed, the sliding cover 30 is pushed backwards, in the process that the rear end 32 of the sliding cover 30 moves towards the rear edge 212 of the feeding hole 21, the feeding hole 21 is slowly closed, the left rod 4141 and the right rod 4142 slide in the closing direction of the sliding cover 30 in the left sliding groove 4111 and the right sliding groove 4112 respectively until the left rod 4141 and the right rod 4142 prop against the left sliding groove 4111 and the right sliding groove 4112, and at the moment, the rear end 32 of the sliding cover 30 is positioned at the rear edge 212 of the feeding hole 21, so that the feeding hole 21 is closed; the sliding cover 30 is pushed continuously, the left rod 4141 and the right rod 4142 drive the bottom plate 411 to move along the closing direction of the sliding cover 30, and at this time, the fodder falls into the box 10 from the gap between the bottom plate 411 and the front plate 421 until the vertical rod 4143 reaches the rear of the sliding opening 22 to be limited.

The distance between the front edge 211 and the rear edge 212 of the feeding hole 21 is L, the length of the sliding cover 30 along the sliding direction is 4L, the length of the sliding hole 22 along the sliding direction of the sliding cover 30 is 2L, the length of the connecting component 414 along the sliding direction is 2L, and the length of the bottom plate 411, the left plate 412 and the right plate 413 along the moving direction is L; one end of the connecting component 414 is in sliding connection with the bottom plate 411, and the other end of the connecting component passes through the sliding opening 22 and is fixedly connected with the center of the sliding cover 30; when the rear end 32 of the sliding cover 30 exceeds the rear edge 212 of the feed inlet 21 by the length L, the connecting component 414 drives the bottom plate 411, the left plate 412 and the right plate 413 to move to one side of the rear plate 422, and the feed is blocked by the rear plate 422 and falls into the box 10; when the rear end 32 of the sliding cover 30 is overlapped with the rear edge 212 of the feed inlet 21, the connecting component 414 drives the bottom plate 411, the left plate 412 and the right plate 413 to move below the feed inlet 21, and the bottom plate 411, the left plate 412 and the right plate 413 form a measuring cavity 43 for containing feed together with the front plate 421 and the rear plate 422; when the rear end 32 of the slide cover 30 coincides with the front edge 211 of the feed port 21, the feed port 21 is opened.

The slider 30 is provided with a magnet. The magnet on the sliding cover 30 is used for matching with the magnet arranged below the pushing block 551.

According to a second convenience of the present invention, there is provided an IVC cage feed adding device for placing an IVC cage and adding feed to the IVC cage.

As shown in fig. 10, an IVC cage feed adding device includes a feeding frame 50, a plurality of feeding grooves 51 are formed on the feeding frame 50, and the feeding grooves 51 are used for placing a box 10 and a box cover 20; the feeding rack 50 is provided with a food storage cavity 52, and the food storage cavity 52 is communicated with each feeding groove 51 through a feeding channel 53. The IVC cage box feed adding device is convenient for carrying out concentrated and rapid feed adding on the cage boxes.

As shown in fig. 11, a screw 531 and a motor 532 coupled to the screw 531 are provided in the feeding path 53, and the screw 531 is used to convey the food in the feeding path 53 into the case 10.

As shown in fig. 12 and 13, a power cavity 54 and a pushing groove 55 are further formed in the feeding frame 50, the power cavity 54 is communicated with the pushing groove 55, a worm 541 is disposed in the power cavity 54, a pushing block 551 which is arranged in linkage with the worm 541 is disposed in the pushing groove 55, and the worm 541 is coupled with a motor 532 and used for driving the pushing block 551 to move along the pushing groove 55. The motor 532 is a double-headed motor which is connected to the screw 531 and the worm 541, respectively, and can be controlled separately, or the motor 532 is provided with two motors which are connected to the screw 531 and the worm 541, respectively, and controlled separately.

A magnet is provided below the push block 551. After the IVC cage is placed in the feeding trough 51, when feed is required to be added, the motor 532 drives the worm 541 to rotate, and magnets below the push block 551 and on the sliding cover 30 attract each other, so that the push block 551 can drive the sliding cover 30 to move together when moving, and the feed inlet 21 is opened and closed, and when the motor 532 controls the sliding cover 30 to move, the screw 531 also starts to rotate to drive feed to enter the box 10 from the feed channel 53. Or another motor 532 alone controls the rotation of screw 531 to drive feed into the case 10. The magnets under the push block 551 may be electromagnets coupled to the motor 532, which generate a suction force when the motor 532 is activated, thereby attracting the magnets on the slider 30.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. The IVC cage comprises a box (10) and a box cover (20) covered on the box (10), and is characterized in that a feed opening (21) is formed in the box cover (20), a sliding cover (30) is slidably arranged on the box cover (20), and the sliding cover (30) is used for controlling the opening and closing of the feed opening (21);

a material control structure (40) is arranged in the box (10) at the material feeding opening (21) and is used for measuring the amount of the fed feed;

the material control structure (40) is arranged in linkage with the sliding cover (30), and when the sliding cover (30) is displaced to one side of the material feeding port (21) to enable the material feeding port (21) to be opened, the material control structure (40) forms a measuring cavity (43) for containing feed;

when the sliding cover (30) covers the feeding port (21) to enable the feeding port (21) to be closed, the material control structure (40) is separated, and the feed falls into the box (10);

the material control structure (40) comprises a sliding component (41) and a matching component (42);

the sliding component (41) is arranged in the box (10) and is connected with the sliding cover (30), and the matching component (42) is arranged in the box (10) and is fixedly connected with the bottom of the box cover (20);

the sliding component (41) and the matching component (42) can be matched with each other to form a measuring cavity (43) for containing feed;

the feed inlet (21) is provided with a front edge (211) and a rear edge (212), and the sliding cover (30) is provided with a front end (31) and a rear end (32);

the matching component (42) comprises a front plate (421) and a rear plate (422), the front plate (421) is fixedly arranged below the front edge (211) in the box (10), and the rear plate (422) is fixedly arranged below the rear edge (212) in the box (10);

the sliding component (41) comprises a bottom plate (411), a left plate (412), a right plate (413) and a connecting component (414), wherein the left plate (412) is fixedly connected with the left edge of the bottom plate (411), the right plate (413) is fixedly connected with the right edge of the bottom plate (411), a sliding opening (22) is formed in the box cover (20) along the sliding direction of the sliding cover (30), one end of the connecting component (414) is connected with the bottom plate (411), and the other end of the connecting component passes through the sliding opening (22) to be connected with the sliding cover (30);

when the rear end (32) of the sliding cover (30) is positioned at one side of the front edge (211) to enable the feeding port (21) to be opened, the connecting component (414) drives the bottom plate (411), the left plate (412) and the right plate (413) to move to the position below the feeding port (21), and the bottom plate (411), the left plate (412) and the right plate (413) form a measuring cavity (43) for containing feed together with the front plate (421) and the rear plate (422);

when the sliding cover (30) covers the feeding opening (21) to enable the feeding opening (21) to be closed, the connecting assembly (414) drives the bottom plate (411), the left plate (412) and the right plate (413) to move to one side of the rear plate (422), and the feed is blocked by the rear plate (422) and falls into the box (10).

2. The IVC cage of claim 1, wherein the connecting assembly (414) comprises a left rod (4141), a right rod (4142) and a vertical rod (4143), a first end of the vertical rod (4143) passes through the sliding opening (22) to be fixedly connected with the sliding cover (30), and a second end is respectively connected with the first end of the left rod (4141) and the first end of the right rod (4142);

a left chute is arranged at the lower edge of the left side of the bottom plate (411), and a right chute is arranged at the lower edge of the right side of the bottom plate;

the left sliding groove is in sliding fit with the left rod (4141) and limits the second end of the left rod (4141) to be in the left sliding groove;

the right runner is in sliding engagement with the right rod (4142) and restrains the second end of the right rod (4142) within the right runner.

3. The IVC cage of claim 1, wherein the front edge (211) and the rear edge (212) are separated by a distance L, the sliding cover (30) has a length of 4L in the sliding direction, the sliding opening (22) has a length of 2L in the sliding direction of the sliding cover (30), the connecting assembly (414) has a length of 2L in the sliding direction, and the bottom plate (411), the left plate (412), and the right plate (413) have a length of L in the moving direction;

one end of the connecting component (414) is in sliding connection with the bottom plate (411), and the other end of the connecting component passes through the sliding opening (22) to be fixedly connected with the center of the sliding cover (30);

when the rear end (32) of the sliding cover (30) exceeds the length L of the rear edge (212) of the feed inlet (21), the connecting component (414) drives the bottom plate (411), the left plate (412) and the right plate (413) to move to one side of the rear plate (422), and the feed is blocked by the rear plate (422) and falls into the box (10);

when the rear end (32) of the sliding cover (30) is overlapped with the rear edge (212) of the feed inlet (21), the connecting component (414) drives the bottom plate (411), the left plate (412) and the right plate (413) to move to the lower part of the feed inlet (21), and the bottom plate (411), the left plate (412) and the right plate (413) form a measuring cavity (43) for containing feed together with the front plate (421) and the rear plate (422);

when the rear end (32) of the sliding cover (30) is overlapped with the front edge (211) of the feeding port (21), the feeding port (21) is opened.

4. An IVC cage according to any one of claims 1-3, characterized in that a magnet is provided on the sliding cover (30).

5. The IVC cage box feed adding device is characterized by comprising a feeding frame (50), wherein a plurality of feeding grooves (51) are formed in the feeding frame (50), the feeding grooves (51) are used for placing the IVC cage box according to claim 1, and the IVC cage box comprises a box (10) and a box cover (20);

the feeding rack (50) is internally provided with a food storage cavity (52), and the food storage cavity (52) is communicated with each feeding groove (51) through a feeding channel (53).

6. The IVC cage feed addition device of claim 5, wherein a screw (531) and a motor (532) coupled to the screw (531) are provided in the feed channel (53), the screw (531) being configured to transport food in the feed channel (53) into the box (10).

7. The IVC cage feed adding device of claim 6, wherein the feeding rack (50) is further internally provided with a power cavity (54) and a pushing groove (55), the power cavity (54) is communicated with the pushing groove (55), a worm (541) is arranged in the power cavity (54), a pushing block (551) which is arranged in linkage with the worm (541) is arranged in the pushing groove (55), and the worm (541) is coupled with the motor (532) and used for driving the pushing block (551) to move along the pushing groove (55).

8. The IVC cage feed addition device of claim 7, wherein a magnet is provided below the push block (551).