CN211633701U

CN211633701U - Animal limb traction experimental device

Info

Publication number: CN211633701U
Application number: CN201922298623.2U
Authority: CN
Inventors: 刘雨微; 朱伟民
Original assignee: Shenzhen Second Peoples Hospital
Current assignee: Shenzhen Second Peoples Hospital
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-09
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses an animal limbs tractive experimental apparatus, including base, power pack, traction unit and the fixed unit of animal. The power unit is arranged below the base, the traction unit penetrates through the base to be connected with the power unit, the animal to be tested is fixed on the animal fixing unit, the limb of the animal to be tested is connected with the traction unit, and the power unit drives the traction unit to swing so as to draw the limb of the animal. The power unit comprises a power device and a transmission gear, the traction unit is provided with teeth meshed with the transmission gear, and the power device drives the transmission gear to rotate so as to drive the traction unit to swing. When the utility model is used, the swinging speed of the traction unit can be controlled through the power unit, so that the experimental model is more diversified; in addition, the animal to be tested is fixed through the animal fixing unit, so that the experimental animal struggles to drive the experimental device to shake.

Description

Animal limb traction experimental device

Technical Field

The utility model belongs to animal experiment device field especially relates to an animal limbs tractive experimental apparatus.

Background

Animal experiments are often used in medical research, where models of tendon injury are included. At present, there is no debate internationally to the animal model of the tendon injury of calcific tendinitis, the experimental apparatus of most animal tendon injury all has respective obvious defect, for example the treadmill model can not get rid of the action of gravity, consequently can not simulate the emergence mechanism of calcific tendinitis completely, some lead to whole experimental apparatus occupation space bigger because will set up the extra device of fixed experimental animal, some experimental apparatus then is single or the traction speed is single that the orbit of pulling animal limbs makes the experimental effect not particularly good, some then the experimental apparatus is unstable again to lead to the experimental animal to struggle and drive experimental apparatus and rock etc..

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an animal limbs tractive experimental apparatus, it can overcome above-mentioned prior art not enough, simulates calcified tendonitis's emergence mechanism completely, and experimental model traction speed is various, and the device is stable.

To achieve the above object, the solution of the present invention is as follows:

an animal limb traction experimental device comprises a base, a power unit, a traction unit and an animal fixing unit; the power unit is arranged below the base, and the traction unit penetrates through the base to be connected with the power unit; the animal to be tested is fixed on the animal fixing unit, and the limb of the animal to be tested is connected with the traction unit; the power unit drives the traction unit to swing so as to draw the limbs of the experimental animal.

The power unit comprises a power device and a transmission gear, the traction unit is provided with teeth meshed with the transmission gear, and the power device drives the transmission gear to rotate so as to drive the traction unit to swing.

Wherein, the power unit further comprises a first gear, a second gear and a chain; the first gear and the second gear are respectively meshed with the chain, the second gear and the transmission gear are coaxial, and the diameter of the transmission gear is larger than that of the second gear.

Wherein, the power unit further comprises a storage battery for providing electric energy for the power device.

The traction unit comprises a mechanical automatic swing arm, an elastic traction line and a clamping clamp; the mechanical automatic swing arm is connected with the power unit, one end of the elastic traction line is connected with the upper end of the mechanical automatic swing arm, and the other end of the elastic traction line is connected with the clamping pincers.

Wherein the animal fixing unit comprises a fixing ring.

Wherein, the fixed ring is arranged on the base.

The base is provided with a switch button, a second button for controlling the speed of the power unit and a charging socket.

Wherein, the base bottom is equipped with base fixed unit.

Wherein, the base fixing unit is a sucker.

The technical effects of the utility model:

1) the fixing ring of the animal fixing unit on the base can fix the four limbs and the body of the experimental animal on the base, can avoid the experimental animal struggling to drive the experimental device to shake, and simultaneously avoids using an additional device to control the animal;

2) the base of the utility model is provided with a button which can adjust and control the swing speed of the power unit, and the swing speed of the traction unit is controlled through the power unit, so that the experimental model is more diversified; the utility model is provided with a storage battery and a charging socket, can be charged and repeatedly used, and adopts a mobile power supply to facilitate the device to be used at any time and any place;

3) the traction unit of the utility model uses the elastic traction line, which has a buffer function to the force and is not easy to break;

4) the utility model discloses the bottom of base is equipped with the sucking disc, can fix whole experimental apparatus on the plane, prevents to lead to the experimental apparatus to rock indefinite or even tumble because of struggling of experimental animals.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a power unit in an embodiment of the present invention;

FIG. 3 is a schematic structural view of a side surface of a base in an embodiment of the present invention;

fig. 4 is a schematic structural view of the bottom of the base in the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the utility model provides an animal limb traction experimental apparatus, including base 1, power pack 2, traction unit 3 and animal fixing unit 4. The power unit 2 is arranged below the base 1, and the traction unit 3 passes through the base 1 and is connected with the power unit 2; the animal to be tested is fixed on the animal fixing unit 4, and the limb of the animal to be tested is connected with the traction unit 3; the power unit 2 drives the traction unit 3 to swing so as to draw the limbs of the experimental animal.

As shown in fig. 2, in the present embodiment, the power unit 2 includes a power device (not shown) and a first gear 22, a second gear 23, a transmission gear 24, and a chain 25; the chain 25 is respectively meshed with the first gear 22 and the second gear 23, the first gear 22 and the second gear 23 are connected through the chain 25, the second gear 23 is coaxially connected with the transmission gear 24, and the diameter of the transmission gear 24 is larger than that of the second gear 23. When the power unit 2 is used, the first gear 22 is driven to rotate through the power device, the chain 25 is meshed with the first gear 22 for transmission to drive the second gear 23 to rotate, and meanwhile, the transmission gear 24 coaxially connected with the second gear 23 also starts to rotate. Compared with the transmission operation by only one gear, the embodiment uses the combination of a plurality of gears and chains to carry out transmission, relatively increases the buffer to the speed, and effectively prolongs the service life of the device.

Referring to fig. 1, in specific implementation, the power unit 2 may further include a storage battery 21 for providing electric energy to the power device, the storage battery 21 has a characteristic of being capable of being charged and discharged repeatedly, and as long as the storage battery 21 has electricity to enable the power device to work, the implementation may not depend on a fixed power source, thereby greatly increasing convenience of the experiment. As shown in fig. 1 and 2, the traction unit 3 includes a mechanical automatic swing arm 31, an elastic traction wire 32 and a holding clamp 33; wherein:

the lower end of the mechanical automatic swing arm 31 is provided with teeth 311, and the teeth 311 are meshed with the transmission gear 24 of the power unit 2; the upper end of the mechanical automatic swing arm 31 is connected with one end of an elastic traction line 32; the other end of the elastic pulling wire 32 is connected with the holding clamp 33.

When assembling, the lower end of the mechanical automatic swing arm 31 passes through the base 1, and the mesh 311 thereof is meshed with the transmission gear 24 of the power unit 2. The holding forceps 33 are used for holding the limbs of the experimental animal.

As shown in fig. 1, the animal fixing unit 4 includes a fixing ring 41 provided on the base 1, and the fixing ring 41 is provided in a set having a shape including, but not limited to, a semicircle, an ellipse, a rectangle, and an irregular shape. The fixing ring 41 fixes the body and/or limbs of the animal on the base, so that the experimental animal is prevented from struggling and swinging to be separated from the experimental range; meanwhile, the animal fixing unit 4 is arranged on the base 1 in the embodiment, so that the experimental animal is prevented from being controlled by using an additional fixing device, and the material and space resources are saved.

As shown in fig. 3, the base 1 is provided with a switch button 11, a second button 12 for controlling the speed of the power unit 2, and a charging jack 13. The switch button 11 controls the operation of the whole experimental device, the second button 12 controls the operation speed of the power unit 2 to be increased and/or decreased, and the charging socket 13 can be used for charging the storage battery 21. The button is arranged to control the operation of the main power supply and the power unit 2, so that the power unit is simple, convenient and easy to control. Set up charging socket 13 and charge for battery 21, avoid carrying out the dismouting, convenient to use to the battery.

As shown in fig. 4, the utility model discloses still be equipped with the fixed unit 5 of base, including sucking disc 51, sucking disc 51 sets up in the base bottom, can fix the base on the plane for whole device is stable when being used for the experiment, prevents that the device from rocking or even tumbling influences the experimental result.

When in use, firstly, the animal to be tested is fixed on the base 1 by the fixing ring 41 of the animal fixing unit 4, the body of the experimental animal clamped by the clamp 33 is clamped by the traction unit 3, the switch button 11 of the base 1 is pressed, the power unit 2 starts to work, namely, the power device drives the first gear 22 to rotate, the chain 25 is meshed with the first gear 22 to drive the second gear 23 to rotate, at the same time, the transmission gear 24 coaxially connected with the second gear 23 also starts to rotate, the transmission gear 24 drives the teeth 311 of the traction unit 3 to swing, thereby driving the mechanical automatic swing arm 31 of the traction unit 3 to swing, and through the elastic traction line 32 connected with the mechanical automatic swing arm 31, namely, the elastic pulling line 32 pulls the animal limb of the experiment along with the swinging direction of the mechanical automatic swinging arm 31, thereby completing the animal limb pulling experiment. When the speed needs to be changed, the output speed of the power device is changed through the second button 12 for controlling the speed of the power unit 2, so that the swinging speed of the mechanical automatic swinging arm 31 is changed, namely, the pulling speed of the limbs of the experimental animal is diversified. And the elastic traction line 32 can change the length of the elastic traction line within a certain range along with the change of the traction force, so that the elastic traction line has a buffer effect in the force applied by the limbs of the experimental animal clamped by the clamping pliers 33 and the two sides of the mechanical automatic swing arm 31, and the fracture of the traction line caused by overlarge traction force is prevented.

The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shapes, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An animal limb traction experimental device is characterized by comprising a base (1), a power unit (2), a traction unit (3) and an animal fixing unit (4); the power unit (2) is arranged below the base (1), and the traction unit (3) penetrates through the base (1) and is connected with the power unit (2); the animal to be tested is fixed on the animal fixing unit (4), and the limb of the animal to be tested is connected with the traction unit (3); the power unit (2) drives the traction unit (3) to swing so as to draw the limbs of the experimental animal.

2. The animal limb traction experiment device according to claim 1, wherein the power unit (2) comprises a power device and a transmission gear (24), the traction unit (3) is provided with teeth (311) engaged with the transmission gear (24), and the power device drives the transmission gear (24) to rotate so as to drive the traction unit (3) to swing.

3. An animal limb traction experiment device as claimed in claim 2, wherein the power unit (2) further comprises a first gear (22), a second gear (23) and a chain (25); the first gear (22) and the second gear (23) are respectively meshed with the chain (25), the second gear (23) and the transmission gear (24) are coaxial, and the diameter of the transmission gear (24) is larger than that of the second gear (23).

4. An animal limb traction experiment device as claimed in claim 2, wherein the power unit (2) further comprises a battery (21) for supplying electric energy to the power device.

5. An animal limb traction experiment device as claimed in any one of claims 1 to 4, wherein the traction unit (3) comprises a mechanical automatic swing arm (31), an elastic traction line (32) and a holding clamp (33); the mechanical automatic swing arm (31) is connected with the power unit (2), one end of the elastic pulling line (32) is connected with the upper end of the mechanical automatic swing arm (31), and the other end of the elastic pulling line is connected with the clamping pincers (33).

6. An animal limb traction experiment device as claimed in claim 5, wherein the animal fixing unit (4) comprises a fixing ring (41).

7. An animal limb traction experiment device as claimed in claim 6, wherein the fixing ring (41) is provided on the base (1).

8. An animal limb traction experiment device as claimed in claim 6, wherein the base (1) is provided with a switch button (11), a second button (12) for controlling the speed of the power unit (2) and a charging socket (13).

9. An animal limb traction experiment device as claimed in any one of claims 1 to 4, wherein the base (1) is provided with a base fixing unit (5) at the bottom.

10. An animal limb traction experiment device as claimed in claim 9, wherein the base fixing unit (5) is a suction cup (51).