Rat tail cutting device

Abstract

The utility model discloses a mouse tail cutting device, and relates to the technical field of experimental instruments. The utility model discloses a mouse tail cutting device which comprises a container, a supporting frame, a clamping device and a mouse tail positioning device. The supporting frame comprises a base and a supporting rod vertically arranged on the base; the clamping device and the rat tail positioning device are respectively connected with the support frame; the clamping device is arranged above the mouse tail positioning device; the container is of an independent structure and is detachably fixed to the clamping device. According to the utility model, the tedious operation process can be simplified, the operation difficulty is reduced, a mouse can enter and exit conveniently, only one researcher is needed to enter and exit with one hand, the operation efficiency is improved, the experiment time is saved, and the risk that the mouse is bitten by the mouse is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to experimental apparatus technical field, especially relate to a tail cutting device. BACKGROUND

[0002] Tail cutting is a common sampling step for mouse gene extraction in scientific research. Usually, two researchers need to operate together to cut the mouse tail. One researcher holds the mouse and the mouse tail, and the other researcher cuts the mouse tail. The operation process has the risk of being bitten by the mouse, and the operation is relatively troublesome, which needs two researchers to operate together and has low efficiency. Currently, there are some patents that disclose mouse tail sampling devices. For example, patent CN 116983020 A discloses an adult mouse tail tissue sampling device. The device includes a base, a fixed component fixedly installed on the base, a cover plate with a conical surface structure, a cavity formed between the cover plate and the base, an opening at one end of the cover plate in cross section, a gap provided on the cover plate, and the gap extending from the opening end to the other end of the cover plate. The mouse can be physically isolated to avoid being bitten by the sampler. However, it is difficult to put the mouse into the cavity, and the mouse is likely to escape when it comes out of the cavity after sampling. Therefore, the device needs to be further improved. Therefore, the purpose of the present application is to provide a tail cutting device that is easy to operate. SUMMARY

[0003] The utility model discloses a tail cutting device to overcome the defects that the prior art tail cutting device is not simple and convenient to operate. The specific technical scheme is as follows:

[0004] A tail cutting device includes a container, a support frame, a clamping device, and a tail positioning device.

[0005] The upper half of the container is cylindrical, and the lower half is funnel-shaped. The bottom of the funnel is provided with a small tube for accommodating the tail. The upper half and the lower half of the container are integrally formed. The top and the bottom of the container are both provided with an open structure.

[0006] The support frame includes a base and a support rod vertically arranged on the base.

[0007] The clamping device includes a support rod and a clamping part. One end of the support rod is movably arranged on the support rod, and the other end is connected to the clamping part.

[0008] The tail positioning device is a cross-hinged plier body. The plier body is arranged transversely. Two fork arms at one end of the plier body are handlebars, and two fork arms at the other end of the plier body form a tail positioning hole. A hinge pin is arranged at the intersection of the fork arms. An elastic structure is arranged between the two fork arms of the handlebar. A small hole is arranged between the two fork arms of the handlebar and close to the hinge pin. The tail positioning device is movably arranged on the support rod.

[0009] The clamping device is arranged above the mouse tail positioning device; and the container is an independent structure and is detachably fixed on the clamping part of the clamping device.

[0010] Further, the inner wall of the container is smooth, and the upper opening of the container is smooth.

[0011] Further, the inner diameter of the upper half of the container is 5-9 cm, and the height is 7-18 cm.

[0012] Further, the inner diameter of the small tube is 1.5-2 cm, and the length is 2-4 cm.

[0013] Further, the supporting rod comprises a socket movably sleeved on the supporting rod, a through hole for a fixing pin to pass through is arranged on the side wall of the socket, and the fixing pin passes through the through hole and abuts against the supporting rod.

[0014] Further, the clamping part comprises first and second clamping bodies oppositely arranged, the first and second clamping bodies are fixed on the supporting rod through bolts respectively, the first and second clamping bodies adjust the size of the opening between the first and second clamping bodies through a locking knob, and a reset spring is sleeved on the locking knob between the first and second clamping bodies.

[0015] Further, the two fork arms serving as the handle are provided with through holes for the fixing pin to pass through, and the fixing pin passes through the through holes and abuts against the supporting rod.

[0016] Further, the container is further provided with a cover, and the cover is provided with a vent hole.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1. The utility model simplifies the complicated operation process, reduces the operation difficulty, and makes the mouse in and out more convenient, only one scientific researcher is needed to operate with one hand, improves the operation efficiency, saves the experiment time, and reduces the risk of being bitten by the mouse.

[0019] 2. The upper half of the container in the utility model is cylindrical, and the inner wall is smooth, so that the mouse can naturally slide and escape, the lower half is funnel-shaped and is provided with a small tube for accommodating the tail, and the tail is conveniently exposed.

[0020] 3. The locking knob and the reset spring of the clamping part in the utility model can adjust the size of the opening between the first and second clamping bodies, and can fix containers of different sizes. The mouse tail positioning device can further fix the tail and prevent the mouse tail from curling to cause cutting difficulty.

[0021] 4. The clamping device and the mouse tail positioning device can freely adjust the height, and are suitable for cutting the tails of mice with different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0023] Figure 1 is a structural schematic view of the present application.

[0024] Figure 2 is a structural schematic view of the clamping device in the present application.

[0025] Figure 3 is a structural schematic view of the mouse tail positioning device in the present application.

[0026] Figure 4 is a structural schematic view of the lid in the present application.

[0027] MAIN DRAWING MARKER DESCRIPTION:

[0028] 1 - container, 11 - cylindrical, 12 - funnel, 13 - small tube, 2 - support frame, 21 - base, 22 - support rod, 3 - clamping device, 31 - support rod, 32 - first fixing bolt, 33 - clamping part, 331 - first clamping body, 332 - second clamping body, 333 - bolt, 334 - locking knob, 335 - return spring, 4 - mouse tail positioning device, 41 - handle, 42 - mouse tail positioning hole, 43 - hinged pin, 44 - elastic structure, 45 - small hole, 46 - second fixing bolt, 5 - lid, 51 - air hole, 6 - mouse tail, 7 - PE tube. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0030] In the description of the utility model, it needs to explain, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "top", "bottom", "top surface", "bottom surface", "inner", "outer", "inner side", "outer side" and so on the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model.

[0031] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than and so on are not included in the number, above, below, within and so on are included in the number.If the term "first", "second", "third" is described, it is only for the purpose of description and distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0032] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "installation", "connection", "connection", "setting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation. The embodiments will be described below according to the overall structure of the utility model.

[0033] Embodiment 1

[0034] As shown in Figure 1 A mouse tail cutter comprises a container 1, a support frame 2, a clamping device 3 and a mouse tail positioning device 4; the support frame 2 comprises a base 21 and a support rod 22 vertically arranged on the base 21; the clamping device 3 and the mouse tail positioning device 4 are connected with the support frame 2 respectively; the clamping device 3 is arranged above the mouse tail positioning device 4; the container 1 is an independent structure and is detachably fixed on the clamping device 3.

[0035] Specifically, as shown in Figure 1As shown, the inner wall of the container 1 is smooth, so that the mouse has no grip, and the upper opening of the container 1 is smooth, so that the mouse is prevented from being injured when entering the container; the upper half of the container 1 is a cylinder 11, the inner diameter of which can be 5 cm and the height of which is 7 cm, so as to accommodate small mice, and in another embodiment, the inner diameter can be 9 cm and the height is 18 cm, so as to accommodate large mice, and the vertical structure of the cylinder makes it more difficult for the mouse to escape; the lower half of the container is a funnel 12, the bottom of which is provided with a small tube 13 for accommodating the tail, the inner diameter of the small tube 13 can be 1.5 cm and the length thereof is 2 cm, so as to accommodate small mice, and in another embodiment, the inner diameter can be 2 cm and the length is 4 cm, so as to accommodate large mice; the upper half and the lower half of the container 1 are integrally formed, the top of the container 1 is provided with an open top for the mouse to enter and exit, and the bottom is also provided with an open bottom for the mouse tail to enter. Figure 4 The cover 5 is provided with a ventilation hole 51, the mouse enters and covers the cover 5, which further prevents escape, and when the mouse is to be released, the container can be taken out and the cover 5 is opened.

[0036] Specifically, as shown in Figure 2 The clamping device 3 includes a supporting rod 31 and a clamping part 33, one end of the supporting rod 31 is movably arranged on the supporting rod 22, and the other end is connected with the clamping part 33; the supporting rod 31 includes a insertion hole movably sleeved on the supporting rod 22, a through hole is provided on the side wall of the insertion hole for the first fixing pin 32 to pass through, the first fixing pin 32 passes through the through hole and abuts against the supporting rod 22, so that the height of the supporting rod 31 can be freely adjusted along the supporting rod 22, and the first fixing pin 32 can adopt an elastic pull pin, which is convenient to operate. The clamping part 33 includes first and second clamping bodies 331 and 332 oppositely arranged, the first and second clamping bodies 331 and 332 are fixed on the supporting rod 31 through bolts 333, the first and second clamping bodies 331 and 332 adjust the size of the opening between the first and second clamping bodies 331 and 332 through a locking knob 334 penetratingly arranged, and a reset spring 335 is sleeved on the locking knob 334 between the first and second clamping bodies 331 and 332, so that containers 1 of different sizes can be fixed.

[0037] Specifically, as shown in Figure 3As shown, the mouse tail positioning device 4 is a cross-hinged clamp body, the clamp body is transversely arranged, two fork arms at one end of the clamp body are handle 41, and two fork arms at the other end of the clamp body form a mouse tail positioning hole 42; a hinge pin 43 is arranged at the cross of the fork arms; a resilient structure 44 is arranged between the two fork arms of the handle 41, the resilient structure 44 is a spring, which facilitates clamping or loosening; a small hole 45 capable of penetrating the support rod 22 is arranged between the two fork arms of the handle 41 and close to one end of the hinge pin 43, and a through hole is arranged on the two fork arms of the handle 41 for the second fixing pin 46 to penetrate, the second fixing pin 46 penetrates the through hole and abuts against the support rod 22, so that the mouse tail positioning device 4 can be freely adjusted in height along the support rod 22. The mouse tail positioning device 4 can further fix the mouse tail 6 to prevent the mouse tail 6 from curling and causing difficulty in cutting.

[0038] Next, the working principle of this embodiment is described in detail to make those skilled in the art better understand the utility model:

[0039] In use, the mouse neck is clamped, the tail is first placed in the container, the cover 5 is covered after the cover 5 is covered, the container 1 is placed in the clamping part 33 in the clamping device 3, and the container 1 is fixed by adjusting the locking knob 334 on the clamping part 33, then the position of the mouse tail positioning device 4 is adjusted according to the length of the exposed tail of the mouse, and the mouse tail is clamped, and then the tail is cut and placed in the EP tube 7. After sampling, the container 1 is loosened by adjusting the locking knob 334 on the clamping part 33, one hand holds the container 1, the other hand holds the cover 5, and the cover 5 is opened when the mouse is released.

[0040] In summary, the utility model simplifies the complicated operation process, reduces the operation difficulty, the mouse is relatively convenient to enter and exit, only one scientific researcher is needed to operate with one hand, the operation efficiency is improved, the experimental time is saved, the risk of being bitten by the mouse is reduced, and the utility model is suitable for promotion.

[0041] The foregoing description of the specific exemplary embodiments of the present application is for the purpose of illustrating and describing, rather than limiting the application, and it will be apparent to those of ordinary skill in the art that many changes and modifications can be made to the embodiments with the foregoing teaching, notwithstanding what can be suggested above and although only a few of the exemplary embodiments of the present application have been described. Although the embodiments of the present application have been described, the specific embodiments are merely illustrative of the present application and are not intended to limit the present application, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the exemplary embodiments are selected and described for the purpose of explaining the specific principles of the present application and its practical application, so that those skilled in the art can make modifications, replacements, variations and various different selections and changes to the embodiments without creative contribution after reading the specification, as long as they are within the scope of the claims of the present application.

Claims

1. A tail-trimming device, characterized in that The application relates to a container, a support frame, a clamping device and a mouse tail positioning device. The upper half of the container is cylindrical, and the lower half is funnel-shaped; the bottom of the funnel is provided with a small tube for accommodating a tail; the upper half and the lower half of the container are integrally formed; the top and the bottom of the container are both provided with openings. The support frame comprises a base and a support rod vertically arranged on the base. The clamping device comprises a support rod and a clamping part; one end of the support rod is movably arranged on the support rod, and the other end is connected with the clamping part. The mouse tail positioning device is a cross-hinged clamp body; the clamp body is horizontally arranged; two fork arms at one end of the clamp body are handle bars; a mouse tail positioning hole is formed between the two fork arms at the other end of the clamp body; a hinge pin is arranged at the cross of the fork arms; an elastic structure is arranged between the two fork arms of the handle bar; a small hole capable of penetrating the support rod is arranged between the two fork arms of the handle bar and close to the hinge pin; and the mouse tail positioning device is movably arranged on the support rod. The clamping device is arranged above the mouse tail positioning device; the container is an independent structure and is detachably fixed on the clamping part of the clamping device. The inner wall of the container is smooth, and the upper opening of the container is smooth.

2. A tail-trimming apparatus according to claim 1, wherein The inner diameter of the upper half of the container is 5-9 cm, and the height is 7-18 cm.

3. The mouse tail cutter according to claim 1, wherein The inner diameter of the small tube is 1.5-2 cm, and the length is 2-4 cm.

4. The mouse tail cutter according to claim 1, wherein The support rod comprises a plug hole movably sleeved on the support rod; a through hole for a first fixing bolt is arranged on the side wall of the plug hole; and the first fixing bolt penetrates through the through hole and abuts against the support rod.

5. The mouse tail cutter according to claim 1, wherein The clamping part comprises first and second clamping bodies oppositely arranged; the first and second clamping bodies are respectively fixed on the support rod through bolts; the first and second clamping bodies are adjusted in size of the opening therebetween through a locking knob; and a reset spring is sleeved on the locking knob between the first and second clamping bodies.

6. The mouse tail cutter according to claim 1, wherein The two fork arms serving as the handle bars are provided with through holes for a second fixing bolt; and the second fixing bolt penetrates through the through holes and abuts against the support rod.

7. The mouse tail cutter according to claim 1, wherein A cover is further arranged on the container; and the cover is provided with a ventilation hole.

8. The mouse tail cutter according to claim 1, wherein ​

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