CN218636149U

CN218636149U - Multi-functional experimental mouse fixing device

Info

Publication number: CN218636149U
Application number: CN202221986257.5U
Authority: CN
Inventors: 于波; 屈超; 金伶伶
Original assignee: Liaoning Normal University
Current assignee: Liaoning Normal University
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-03-17
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a multifunctional experimental mouse fixing device, wherein a head fixer is detachably connected to one side above a fixing plate; the middle part of the fixed plate is detachably connected with a four-limb fixing mechanism, and the bottom of the fixed plate is fixedly provided with a control mechanism for controlling the movement of the four-limb fixing mechanism; the fastening buckle in the utility model can be adjusted according to the shape of the four limbs of the mouse, so that the device can be suitable for the mice with different shapes, the four limbs of the mouse can be quickly opened and fixed through the stay cord by the cooperation of the worm gears and the worms, each worm gear can rotate independently, the four limbs of the experimental mouse can be oriented to different directions, and the flexibility of the device is improved; secondly, the stay cord of this device opens the experiment mouse back, and the magnet piece of bottom is detained through the fastening adsorbs with magnet or the ironbar in the recess, and what can be firmly detains the fastening and is connected with the fixed plate for the mouse can not shake off the stay cord because fiercely struggling, has improved the steadiness and the security of device.

Description

Multi-functional experimental mice fixing device

Technical Field

The utility model relates to an experimental animals centre gripping utensil technical field especially relates to a multi-functional experimental mice fixing device.

Background

The experimental mouse is generally applied to teaching and research of subjects such as physiology, medicine and pharmacy, experimenters need to perform operations such as sample injection and blood drawing on the experimental mouse, and the experimenters mostly finish the operations independently.

The existing experimental mouse fixing devices adopt hard cylindrical fixing devices in most cases, but the hard cylindrical fixing devices are not convenient to adjust and are not suitable for mice of different body types. These stereoplasm tube-shape fixing device come fixed laboratory mouse can only inject or extract the operation to laboratory mouse tail, if will carry out the experiment operation then can not accomplish to other positions of laboratory mouse, bring very big inconvenience to the experiment from this, simultaneously because these stereoplasm tube-shape fixing device volumes are less, wash inconvenient.

And some fixing devices made of soft materials, which are usually cloth, leather, a pull rope and the like, are appeared at present, but the fixing devices made of the soft materials at present cannot adapt to experimental mice with different sizes, and are easy to break loose when the experimental mice struggle, so that the fixing effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a multi-functional experimental mice fixing device to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a multifunctional experimental mouse fixing device, which comprises a fixing plate, wherein a head fixer is detachably connected to one side above the fixing plate; the middle part of the fixed plate is detachably connected with a four-limb fixing mechanism, and the bottom of the fixed plate is fixedly provided with a control mechanism for controlling the four-limb fixing mechanism to move;

the head fixer comprises two groups of brackets which are symmetrical about the central line of the fixing plate, and the middle parts of the two groups of brackets are provided with a pressing belt; two ends of the pressing belt are respectively connected with adjusting screws, and each adjusting screw is in threaded connection with one group of the supports;

the four-limb fixing mechanism comprises four fastening buckles, and each fastening buckle is connected with a pull rope;

the control mechanism comprises a plurality of worms, and one end of each worm is fixedly connected with a knob; each worm is meshed with a worm wheel, the middle part of each worm wheel is fixedly connected with a rotating shaft, and one end of each rotating shaft, which is far away from the corresponding worm wheel, is rotatably connected with the bottom of the corresponding fixing plate; the pull rope is wound on the shaft body of the rotating shaft.

Preferably, the fixing plate is provided with four through holes, each through hole corresponds to one fastening buckle, each through hole is positioned at one side of the outer part of the corresponding fastening buckle, and the pull rope penetrates through the through hole and is in sliding connection with the through hole; the two sides of the middle part of the upper surface of the fixing plate are provided with grooves, and magnets or iron bars are detachably connected in the grooves.

Preferably, the number of the worm wheels and the number of the worms are four, and each worm corresponds to one worm; a rotary drum is rotatably connected between the two worms on the same side of the bottom of the fixing plate.

Preferably, the fastening buckle comprises a base, a first arc plate is fixedly connected to the upper portion of the base, and a second arc plate is arranged above the first arc plate; one end of the first arc plate is hinged to one end of the second arc plate, and the other end of the first arc plate is detachably connected with the other end of the second arc plate.

Preferably, a magnet block is embedded in the base, penetrates through the bottom surface of the base and is communicated with the outside; one end of the pull rope is fixedly connected to the circumferential side wall of the base, and the other end of the pull rope is fixedly connected with the rotating shaft.

Preferably, each bracket comprises a clamping plate and an L-shaped plate, and the L-shaped plate is positioned above the clamping plate and fixedly connected with the clamping plate; one side, close to the press belt, of the L-shaped plate is provided with a first threaded hole, and the first threaded hole is in threaded connection with the adjusting screw; the bottom of the adjusting screw rod is rotatably connected with a connecting cap, and the outer wall of the connecting cap is fixedly connected with one end of the pressing belt;

the clamping plate is U-shaped, a second threaded hole is formed in the upper wall of the clamping plate, a compression screw is in threaded connection with the second threaded hole, and the compression screw penetrates through the upper wall of the clamping plate and is abutted to the fixing plate.

Preferably, four connecting plates are fixedly arranged on the outer side of the bottom of the fixing plate, a unthreaded hole is formed in the middle of each connecting plate, and the unthreaded holes are matched with the worm and are rotatably connected with the worm; the knob is located on one side of the outer wall of the connecting plate.

Preferably, two ends of the lower part of the fixing plate are fixedly connected with supporting legs.

The utility model discloses a following technological effect: the fastening buckle in the utility model can be adjusted according to the contour of the four limbs of the mouse, so that the device can be suitable for the mice with different body shapes, the four limbs of the mouse can be quickly opened and fixed through the stay cord by the cooperation of the worm gears and the worms, and each worm gear can independently rotate, so that the four limbs of the experimental mouse can be oriented to different directions, and the flexibility of the device is improved; secondly, the stay cord of this device opens the experiment mouse back, detains the magnet piece of bottom and the magnet or the iron bar absorption in the recess through the fastening, can be firmly detain the fastening and be connected with the fixed plate for the mouse can not struggle to break away the stay cord because of fiercely struggling, has improved the steadiness and the security of device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is an isometric view of the fixing device of the present invention;

fig. 2 is an isometric view of another perspective of the fastening device of the present invention;

FIG. 3 is a schematic view of the bottom structure of the fixing device of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a front view of the fixing device of the present invention;

FIG. 6 is a schematic view of the fastener of the present invention;

fig. 7 is a bottom structure schematic view of the mushroom button of the present invention.

Wherein: 1. a fixing plate; 2. a support leg; 3. a knob; 4. a connecting plate; 5. a groove; 6. fastening buckles; 601. a second arc plate; 602. a first arc plate; 603. a base; 604. a magnet block; 7. pulling a rope; 8. a clamping and connecting plate; 9. adjusting the screw rod; 10. pressing the belt; 11. a compression screw; 12. an L-shaped plate; 13. a through hole; 14. a worm; 15. a rotating drum; 16. a worm gear; 17. a rotating shaft; 18. and a connecting cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-7, the utility model provides a multifunctional experimental mouse fixing device, which comprises a fixing plate 1, wherein a head fixer is detachably connected to one side above the fixing plate 1; the middle part of the fixed plate 1 is detachably connected with a four-limb fixing mechanism, and the bottom of the fixed plate 1 is fixedly provided with a control mechanism for controlling the movement of the four-limb fixing mechanism; the fastening buckle 6 in the utility model can be adjusted according to the contour of the four limbs of the mouse, so that the device can be suitable for the mice with different shapes, and the four limbs of the mouse can be rapidly opened and fixed through the stay cord 7 by the cooperation of the worm wheels 16 and the worms 14, and each worm wheel 16 and the worm 14 can rotate independently, so that the four limbs of the experimental mouse can be oriented to different directions, thereby improving the flexibility of the device; secondly, the stay cord 7 of this device opens the back with the experimental mouse, and the magnet or the ironbar through the magnet piece 604 of fastening 6 bottoms adsorbs with magnet or recess 5, can be firmly detained 6 and be connected with fixed plate 1 with the fastening for the mouse can not struggle to break loose stay cord 7 because of violent struggling, has improved the steadiness and the security of device.

The head fixer comprises two groups of brackets which are symmetrical about the central line of the fixing plate 1, and the middle parts of the two groups of brackets are provided with a pressing belt 10; two ends of the pressing belt 10 are respectively connected with adjusting screw rods 9, and each adjusting screw rod 9 is in threaded connection with one group of supports; each bracket comprises a clamping plate 8 and an L-shaped plate 12, wherein the L-shaped plate 12 is positioned above the clamping plate 8 and is fixedly connected with the clamping plate 8; a first threaded hole is formed in one side, close to the belt pressing 10, of the L-shaped plate 12, and the first threaded hole is in threaded connection with the adjusting screw 9; the bottom of the adjusting screw 9 is rotatably connected with a connecting cap 18, and the outer wall of the connecting cap 18 is fixedly connected with one end of the press belt 10; the joint board 8 is the U type, and the second screw hole has been seted up to the upper wall of joint board 8, and second screw hole threaded connection has compression screw 11, and compression screw 11 runs through the upper wall of joint board 8 and with 1 butt of fixed plate. The clamping and connecting plate 8 is used for connecting the bracket with the fixing plate 1, the clamping and connecting plate 8 can freely move on the side wall of the fixing plate 1, and only the compression screw 11 needs to be screwed after the clamping and connecting plate reaches a proper position; and the adjusting screw 9 is used for controlling the compression degree of the push belt 10 and preventing the head of the mouse from swinging.

The four-limb fixing mechanism comprises four fastening buckles 6, and each fastening buckle 6 is connected with a pull rope 7; the fastening buckle 6 comprises a base 603, a first arc plate 602 is fixedly connected to the upper part of the base 603, and a second arc plate 601 is arranged above the first arc plate 602; one end of the first arc plate 602 is hinged to one end of the second arc plate 601, and the other end of the first arc plate 602 is detachably connected to the other end of the second arc plate 601. A magnet block 604 is embedded in the base 603, and the magnet block 604 penetrates through the bottom surface of the base 603 and is communicated with the outside; one end of the pull rope 7 is fixedly connected to the circumferential side wall of the base 603, and the other end of the pull rope 7 is fixedly connected with the rotating shaft 17. The fastening button 6 is used for fixing the limbs of the mouse, and the fastening button 6 can be used for fixing the limbs of the mice with different body shapes because the inner diameter of the fastening button 6 can be adjusted; the practicability of the device is improved.

The control mechanism comprises a plurality of worms 14, and one end of each worm 14 is fixedly connected with a knob 3; each worm 14 is meshed with a worm wheel 16, the middle part of each worm wheel 16 is fixedly connected with a rotating shaft 17, and one end of each rotating shaft 17, which is far away from the corresponding worm wheel 16, is rotatably connected with the bottom of the fixing plate 1; the pulling rope 7 is wound on the shaft body of the rotating shaft 17. The number of the worm wheels 16 and the number of the worms 14 are four, and each worm 14 corresponds to one worm 14; a rotary drum 15 is rotatably connected between the two worms 14 on the same side of the bottom of the fixed plate 1. Due to the existence of the rotary drum 15, each worm wheel 16 and each worm 14 can independently rotate, so that the body positions of the mouse can extend towards different directions, and the mouse is not limited to the existing fixed body positions; greatly facilitating the work of experimenters.

The fixing plate 1 is provided with four through holes 13, each through hole 13 corresponds to one fastening buckle 6, each through hole 13 is positioned at one side of the outer part of the corresponding fastening buckle 6, and the pull rope 7 penetrates through the through holes 13 and is in sliding connection with the through holes 13; two sides of the middle part of the upper surface of the fixed plate 1 are provided with grooves 5, and magnets or iron bars are detachably connected inside the grooves 5; four connecting plates 4 are fixedly arranged on the outer side of the bottom of the fixing plate 1, a unthreaded hole is formed in the middle of each connecting plate 4, the unthreaded holes are matched with the worm 14, and the unthreaded holes and the worm 14 are rotatably connected; the knob 3 is positioned on one side of the outer wall of the connecting plate 4. The two ends of the lower part of the fixed plate 1 are fixedly connected with supporting legs 2. When installation magnet strip or ironbar, need bond magnet strip or ironbar and recess 5 together for improve the steadiness that both connect.

The working process is as follows: when the fixing plate is actually used, an experimental mouse is placed in the middle of the fixing plate 1, and an experimenter separates four limbs of the experimental mouse and connects the four limbs with the fastening buckles 6 one by one; during connection, a single limb of the experimental mouse needs to be stretched into the fastening buckle 6, and then the first arc plate 602 and the second arc plate 601 are connected through a bolt, a ribbon or a bayonet; at the moment, the single limb is firmly fixed; after all the limbs are fixedly connected with the fastening buckle 6, the knob 3 is rotated manually, the worm wheel 16 and the worm 14 are driven to rotate by the knob 3, the rotating shaft 17 is driven to rotate, the pull rope 7 is retracted by the rotating shaft 17, the pull rope 7 pulls the fastening buckle 6 to move outwards, and the limbs of the experimental mouse are completely opened; then, a soft magnet strip or an iron strip is bonded in the groove 5, the magnet block 604 on the base 603 of the fastening buckle 6 can be adsorbed with the soft magnet strip or the iron strip, and the experimental mouse is firmly fixed on the fixing plate 1; then the head of the mouse is pressed tightly by a pressing belt 10.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a multi-functional experimental mice fixing device which characterized in that: the head fixing device comprises a fixing plate (1), wherein a head fixing device is detachably connected to one side above the fixing plate (1); the middle part of the fixing plate (1) is detachably connected with a four-limb fixing mechanism, and the bottom of the fixing plate (1) is fixedly provided with a control mechanism for controlling the movement of the four-limb fixing mechanism;

the head fixer comprises two groups of brackets which are symmetrical about the center line of the fixing plate (1), and a pressing belt (10) is arranged in the middle of the two groups of brackets; two ends of the pressing belt (10) are respectively connected with adjusting screws (9), and each adjusting screw (9) is in threaded connection with one group of the brackets;

the four-limb fixing mechanism comprises four fastening buckles (6), and each fastening buckle (6) is connected with a pull rope (7);

the control mechanism comprises a plurality of worms (14), and one end of each worm (14) is fixedly connected with a knob (3); each worm (14) is meshed with a worm wheel (16), the middle part of each worm wheel (16) is fixedly connected with a rotating shaft (17), and one end, far away from the worm wheel (16), of each rotating shaft (17) is rotatably connected with the bottom of the fixing plate (1); the pull rope (7) is wound on the shaft body of the rotating shaft (17).

2. The multifunctional experimental mouse fixing device of claim 1, wherein: the fixing plate (1) is provided with four through holes (13), each through hole (13) corresponds to one fastening buckle (6), each through hole (13) is positioned on one side of the outer part of the corresponding fastening buckle (6), and the pull rope (7) penetrates through the through holes (13) and is in sliding connection with the through holes (13); the two sides of the middle part of the upper surface of the fixing plate (1) are provided with grooves (5), and magnets or iron bars are detachably connected inside the grooves (5).

3. The multifunctional experimental mouse fixing device of claim 1, wherein: the number of the worm wheels (16) and the number of the worms (14) are four, and each worm (14) corresponds to one worm (14); a rotary drum (15) is rotatably connected between the two worms (14) on the same side of the bottom of the fixing plate (1).

4. The multifunctional experimental mouse fixing device of claim 1, wherein: the fastening buckle (6) comprises a base (603), a first arc plate (602) is fixedly connected to the upper part of the base (603), and a second arc plate (601) is arranged above the first arc plate (602); one end of the first arc plate (602) is hinged to one end of the second arc plate (601), and the other end of the first arc plate (602) is detachably connected with the other end of the second arc plate (601).

5. The multifunctional experimental mouse fixing device of claim 4, characterized in that: a magnet block (604) is embedded in the base (603), and the magnet block (604) penetrates through the bottom surface of the base (603) and is communicated with the outside; one end of the pull rope (7) is fixedly connected to the circumferential side wall of the base (603), and the other end of the pull rope (7) is fixedly connected with the rotating shaft (17).

6. The multifunctional experimental mouse fixing device of claim 1, characterized in that: each bracket comprises a clamping and connecting plate (8) and an L-shaped plate, and the L-shaped plate (12) is positioned above the clamping and connecting plate (8) and is fixedly connected with the clamping and connecting plate (8); one side, close to the press belt (10), of the L-shaped plate (12) is provided with a first threaded hole, and the first threaded hole is in threaded connection with the adjusting screw rod (9); the bottom of the adjusting screw rod (9) is rotatably connected with a connecting cap (18), and the outer wall of the connecting cap (18) is fixedly connected with one end of the pressing belt (10);

the clamping plate (8) is U-shaped, a second threaded hole is formed in the upper wall of the clamping plate (8), a compression screw rod (11) is connected to the second threaded hole in a threaded mode, and the compression screw rod (11) penetrates through the upper wall of the clamping plate (8) and is abutted to the fixing plate (1).

7. The multifunctional experimental mouse fixing device of claim 1, wherein: four connecting plates (4) are fixedly arranged on the outer side of the bottom of the fixing plate (1), a unthreaded hole is formed in the middle of each connecting plate (4), and the unthreaded holes are matched with the worm (14) and are rotationally connected with the worm (14); the knob (3) is positioned on one side of the outer wall of the connecting plate (4).

8. The multifunctional experimental mouse fixing device of claim 1, wherein: the two ends below the fixing plate (1) are fixedly connected with supporting legs (2).