CN112539959A

CN112539959A - Animal doctor uses excrement and urine sampling tool

Info

Publication number: CN112539959A
Application number: CN202110132767.XA
Authority: CN
Inventors: 曹春红; 韩小军; 薛智勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-03-23

Abstract

The invention discloses a fecal sampling tool for veterinarians, wherein a housing is sleeved with a cover body, a lead screw is arranged in the housing, the lead screw penetrates through the housing and is rotatably connected with the housing, a first hand wheel is sleeved on the lead screw which extends out of the cavity of the housing and is arranged at the top of the housing, a moving seat is arranged on the lead screw arranged in the cavity of the housing, a connecting rod penetrates through a long strip opening and is fixedly connected with the cover body, a rotating shaft is arranged in the lead screw, the rotating shaft penetrates through a support frame, a second hand wheel is sleeved at the end part of the rotating shaft, the rotating shaft penetrates through a pressure bearing body, a pushing body and a gear are sequentially sleeved at the end part from top to bottom, a group of arc section support plates are symmetrically arranged at the bottom, and be circular after the closure, first left transverse bar and first right transverse bar can install on the activity T type body through T type groove. The invention has the advantages that: the protection is good, the observation and the work efficiency are convenient.

Description

Animal doctor uses excrement and urine sampling tool

Technical Field

The invention belongs to the technical field of livestock and veterinary appliances, and particularly relates to a feces sampling tool for veterinarians.

Background

Veterinarian refers to a physician who administers disease prevention, diagnosis and treatment to an animal. With the continuous development of animal husbandry, livestock can be sick due to self resistance decline or environmental factors in the process of breeding, and the animal doctor needs to regularly detect the excrement of livestock so as to observe and prevent the livestock from being sick in time. Veterinarians mainly test the feces of livestock and determine whether the livestock contains parasites, namely harmful bacteria affecting the health of the livestock according to experimental data.

According to the Chinese patent No. CN211374111U, entitled feces sampling tool for veterinarians on 28

days

8 and 28 of 2020 year, the utility model discloses a sampling tool for feces for veterinarians, which comprises a cylinder 1 with an open bottom, two sides of the bottom of the cylinder 1 are respectively symmetrically provided with a fixed seat 2, the outer sides of the bottoms of the two fixed seats 2 are respectively and movably hinged with a shovel plate 3, the outer sides of the shovel plates 3 are movably hinged with the fixed seat 2 through a rotating shaft 4, the inner sides of the two shovel plates 3 are movably arranged at the bottom of the cylinder 1 in a closed mode, the appearance of the shovel plates is the same as that of the bottom of the cylinder 1 after the shovel plates are closed, a U-shaped rod 5 is arranged on the cylinder 1, the horizontal section of the U-shaped rod 5 is horizontally arranged at the top of the cylinder 1, the end parts of the two vertical sections of the cylinder vertically penetrate through the fixed seat 2 on the corresponding side downwards, are connected with the lock nose 7 on the shovel plate 3 on the corresponding side through the lock chain 6 arranged on the end part, and the top of the cylinder 1 is provided with a U-shaped grab handle 8; a depressor is arranged in the cylinder 1.

According to the Chinese patent No. CN209470903U, the date of granted bulletin is 2019, 10.8.A, the utility model discloses a fecal sampler for veterinarians, which comprises a shell 1, a first through hole 2 is arranged at the top end of the shell 1, a rectangular plate 3 is welded at the top end of the inner cavity of the shell 1, a column 4 is inserted at the bottom end of the rectangular plate 3, the top end of the column 4 extends to the first through hole 2, a handle 5 is welded at the top end of the outer wall of the column 4, the column 4 can be more conveniently descended through the handle 5, sliding grooves 6 are arranged at the left side and the right side of the inner cavity of the shell 1 along the upper end and the lower end, one end of a matched sliding block 7 is clamped in the inner cavity of the sliding groove 6, the sliding block 7 can slide up and down in the inner cavity of the sliding groove 6, the other end of the sliding block 7 is welded with the column 4, the column, the inner side of the cylinder 8 is welded with a connecting block 9, the top end of the connecting block 9 is clamped with one end of a spring 10, the other end of the spring 10 is clamped with the upright post 4, the spring 10 is a spiral spring, the elastic coefficient is 17N/CM, the spring 10 generates elastic deformation after being stretched or extruded, the spring recovers to an initial state after external force is removed, the bottom end of the cylinder 8 is welded with a partition plate 11, the left side and the right side of the top end of the partition plate 11 are provided with second through holes 12 in a clearance mode, the bottom end of the inner cavity of each second through hole 12 is clamped with a matched sealing gasket 13, excrement can be isolated at the bottom end of the partition plate 11 through the sealing gasket 13, the bottom ends of the left side and the right side of the upright post 4 are welded with rectangular blocks 14, the front side of each rectangular block 14 is connected with one end of a first connecting sheet 15, the inner side, the inner chamber rebound of first connection piece 15, can make the top of second connection piece 16 to the inboard removal, the sealed pad 13 in the outside is extended to the other end of second connection piece 16, the rear side top and the stand 8 coupling of second connection piece 16, the equal coupling in front end left and right sides of connecting block 9 has the one end of third connection piece 17, the sealed pad 13 in the inside is extended to the other end of third connection piece 17, can make first connection piece 15 and second connection piece 16 reduce the atress degree of shovel 18 through third connection piece 17, the bottom coupling of second connection piece 16 and third connection piece 17 has shovel 18, all paste the top outside of shovel 18 has gasket 19, can make the sealed effect of junction of shovel 18 and shell 1 better through gasket 19.

When the comparison file (CN 211374111U) and the comparison file (CN 209470903U) clamp the excrement, workers judge the position of the shovel plate through own experience, so that the position cannot be accurately positioned; in addition, to excrement and urine centre gripping back, the casing intracavity is arranged in to excrement and urine, can avoid the viral infection because of contacting excrement and urine and causing, guaranteed that staff's is healthy, but before the excrement and urine centre gripping, excrement and urine is arranged in the casing intracavity outward, at first the easy raise dust of walking about that the staff makes a round trip, secondly rock easily to excrement and urine centre gripping in-process, cause sample many times, after the sample at last, excrement and urine sampling tool carries excrement and urine to go to detect, need the sanitization sampling tool during the sample again, thereby work efficiency is low. Therefore, it is important to solve the above problems.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides the veterinary excrement sampling tool which is good in protection, convenient to observe and high in working efficiency.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an excrement sampling tool for veterinarians comprises a shell, wherein a cover body is sleeved on the shell, a lead screw is arranged in the shell, the lead screw is coaxial with the shell, the lead screw penetrates through the shell and is rotatably connected with the shell, a first hand wheel is sleeved on the lead screw extending out of the top of the shell cavity, a moving seat is arranged on the lead screw arranged in the shell cavity, a group of connecting rods are symmetrically arranged on the side part of the moving seat, a long-strip-shaped opening is arranged on the side part of the shell corresponding to the connecting rods, the connecting rods penetrate through the long-strip-shaped opening and are fixedly connected with the cover body, a rotating shaft is arranged in the shell and penetrates through the lead screw, a support frame is arranged on the top of the shell corresponding to the rotating shaft extending out of the lead screw cavity, a second hand wheel is sleeved on the rotating shaft penetrating through the support frame and at the end part of the support frame, a group of pushing plates are symmetrically arranged on the pushing body, a strip through hole which is obliquely arranged is arranged on the pushing plates, the pressure-bearing body is cylindrical, a return seat is sleeved on a rotating shaft which is arranged in a pressure-bearing body cavity, a first return spring is sleeved on the rotating shaft between the return seat and the bottom of the shell, a guide groove is arranged on the pressure-bearing body between the return seat and the contact surface of the pressure-bearing body, a guide block is arranged on the return seat between the return seat and the contact surface of the pressure-bearing body, the guide block is arranged in the guide groove, a group of arc section supporting plates are symmetrically arranged at the bottom of the shell, the side parts of the arc section supporting plates, which are close to the end parts, are fixedly connected with the supporting seats, a sliding groove is arranged on the supporting seats, a movable T-shaped body is arranged in the sliding groove, a bulge is arranged on the movable T, a push rod is fixedly connected to one side of the push seat opposite to the arc section supporting plate, the push rod penetrates through the arc section supporting plate and is movably connected to a long through hole on the push plate, an extraction device is arranged at a corresponding position of the movable T-shaped body and comprises a left shovel plate, a left longitudinal rod, a first left transverse rod, a second left transverse rod, a left baffle seat, a second left return spring, a right shovel plate, a right longitudinal rod, a first right transverse rod, a second right transverse rod, a right baffle seat and a second right return spring, the left shovel plate and the right shovel plate are mutually matched and are circular after being closed, the top of the left shovel plate is vertically and fixedly connected with the left longitudinal rod, the left longitudinal rod is vertically and fixedly connected to the center position of the bottom of the first left transverse rod, the position of the side part of the first left transverse rod, which is close to the right end, is vertically and fixedly connected with the second left transverse rod, the top of the right shovel plate is vertically and, the side part of the first right transverse rod is close to a left end position and is fixedly connected with a second right transverse rod in a vertical mode, the first left transverse rod and the first right transverse rod are parallel to each other, the second left transverse rod penetrates through the first right transverse rod and is provided with a left stop seat at the end part, a second left return spring is sleeved on the second left transverse rod between the left stop seat and the first right transverse rod, the second right transverse rod penetrates through the first left transverse rod and is provided with a right stop seat at the end part, a second right return spring is sleeved on the second right transverse rod between the right stop seat and the first left transverse rod, the second left transverse rod and the second right transverse rod are parallel to each other, racks are arranged on one sides, opposite to the second left transverse rod and the second right transverse rod, the racks can be meshed with gears, T-shaped grooves are formed in the center positions of the tops of the first left transverse rod and the first right transverse rod, and the first left transverse rod and the first right transverse rod can be installed on a movable T-shaped body through the T-shaped grooves.

Furthermore, a positioning device is arranged on the support frame at the position corresponding to the rotating shaft, the positioning device comprises a positioning shell, a positioning rod, a buffer seat, a third return spring and a ratchet wheel, the positioning rod penetrates through the support frame and extends towards the rotating shaft, the positioning shell is arranged on the inner side of the support frame, the positioning shell is sleeved on the positioning rod, the buffer seat is arranged on the positioning rod arranged in the cavity of the positioning shell, the third return spring is sleeved on the positioning rod between the buffer seat and the support frame, the ratchet wheel is sleeved on the rotating shaft at the position corresponding to the positioning rod, and the ratchet.

Further, the height of the ratchet wheel is larger than the diameter of the positioning rod.

Furthermore, the cover body is made of transparent materials.

Compared with the prior art, the invention has the advantages that: the worker rotates the first hand wheel to adjust the position of the cover body on the shell, the first hand wheel can drive the lead screw, the lead screw can drive the moving seat, and the moving seat drives the cover body to move on the circumferential surface of the shell under the action of the connecting rod, so that the cover body can cover excrement; when continuous sampling is carried out, the extraction device can be taken down from the shell, and the other extraction device is replaced, so that the working efficiency is improved; according to actual conditions, the locating lever is drawn to interval or continuation, and when the locating lever was drawn to the interval, the locating lever can control ratchet pivoted position, realizes adjusting the distance between left shovel board and the right shovel board.

Drawings

Fig. 1 is a front cross-sectional view showing the structure of a first embodiment of a fecal sampling tool for veterinary use of the present invention.

Fig. 2 is an enlarged structural view of the tool for sampling feces from a veterinarian of the present invention shown in fig. 1 in the direction of a.

Fig. 3 is a schematic view showing an enlarged structure in the direction B of the tool for sampling feces for veterinary use of the present invention shown in fig. 1.

Fig. 4 is a schematic perspective view of the structure of the extraction device of the fecal sampling tool for veterinary use of the present invention.

Fig. 5 is a schematic front sectional view of a second embodiment of a veterinary stool sampling tool of the present invention.

Fig. 6 is a C-direction enlarged structural view of the fecal sampling tool for veterinarian of the present invention shown in fig. 5.

Fig. 7 is a schematic structural diagram of a positioning device of the fecal sampling tool for veterinarians of the present invention.

In the figure, 1, a shell, 2, a cover body, 3, a lead screw, 4, a first hand wheel, 5, a moving seat, 6, a connecting rod, 7, a strip opening, 8, a rotating shaft, 9, a supporting frame, 10, a second hand wheel, 11, a pressure bearing body, 12, a pushing body, 13, a gear, 14, a pushing plate, 15, a strip through hole, 16, a return seat, 17, a first return spring, 18, a guide groove, 19, a guide block, 20, an arc section supporting plate, 21, a supporting seat, 22, a sliding groove, 23, a movable T-shaped body, 24, a groove, 25, a protrusion, 26, a pushing seat, 27, a push rod, 28, a left shovel plate, 29, a left longitudinal rod, 30, a first left transverse rod, 31, a second left transverse rod, 32, a left blocking seat, 33, a second left return spring, 34, a right shovel plate, 35, a right longitudinal rod, 36, a first right transverse rod, 37, a second right transverse rod, 38, a right blocking seat, 39, a second return spring, 40. the gear rack comprises a gear rack body, 41 parts of a T-shaped groove, 42 parts of a positioning shell, 43 parts of a positioning rod, 44 parts of a buffer seat, 45 parts of a third return spring and 46 parts of a ratchet wheel.

Detailed Description

The following examples are intended to further illustrate the present invention and should not be construed as limiting the scope of the invention, and other insubstantial modifications and adaptations of the invention by those skilled in the art based on the teachings herein are intended to be covered thereby.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

the utility model provides an animal doctor uses excrement and urine sampling tool, in fig. 1 to 7, including casing 1, the cover is equipped with the cover body 2 on casing 1, casing 1 embeds lead screw 3, lead screw 3 is coaxial with casing 1, lead screw 3 runs through casing 1 and rotates with casing 1 to be connected, the cover is equipped with first hand wheel 4 on the lead screw 3 at the 1 outer 1 top of casing is arranged in to the extension, it removes seat 5 to be equipped with on the lead screw 3 of 1 intracavity of casing to arrange in, it is equipped with a set of connecting rod 6 to remove 5 lateral part symmetry of seat, be equipped with rectangular opening 7 on the casing 1 lateral part that connecting rod 6 corresponds the position, connecting rod 6 passes rectangular opening 7 and cover body 2 fixed connection, lead screw 3 embeds pivot 8, pivot 8 runs through lead screw 3, the casing 1 top that the pivot 8 that the extension was arranged in the 3 outer 3 tops of lead screw 3 of chamber corresponds the position is equipped with support frame 9, pivot 8 runs through support frame 9 and overlaps at the tip and is equipped with 11, a rotating shaft 8 penetrates through a pressure bearing body 11, a pushing body 12 and a gear 13 are sequentially sleeved at the end part from top to bottom, a group of pushing plates 14 are symmetrically arranged on the pushing body 12, a strip through hole 15 which is obliquely arranged is arranged on each pushing plate 14, the pressure bearing body 11 is cylindrical, a return seat 16 is sleeved on the rotating shaft 8 arranged in a cavity of the pressure bearing body 11, a first return spring 17 is sleeved on the rotating shaft 8 between each return seat 16 and the bottom of a shell 1, a guide groove 18 is arranged on the pressure bearing body 11 between each return seat 16 and the contact surface of the pressure bearing body 11, a guide block 19 is arranged on each return seat 16 between each return seat 16 and the contact surface of the pressure bearing body 11, the guide blocks 19 are arranged in the guide grooves 18, a group of arc section supporting plates 20 are symmetrically arranged at the bottom of the shell 1, the side parts of the arc section supporting plates 20 close to the end part are fixedly connected with the supporting seats 21, a sliding groove 22 is arranged on, a bulge 25 is arranged on the movable T-shaped body 23 between the contact surface of the movable T-shaped body 23 and the sliding chute 22, the bulge 25 is arranged in a groove 24, the center position of the top of the movable T-shaped body 23 is fixedly connected with a push seat 26, one side of the push seat 26 opposite to the arc section supporting plate 20 is fixedly connected with a push rod 27, the push rod 27 penetrates through the arc section supporting plate 20 and is movably connected on a long through hole 15 on the push plate 14, an extraction device is arranged at the corresponding position of the movable T-shaped body 23 and comprises a left shovel plate 28, a left longitudinal rod 29, a first left transverse rod 30, a second left transverse rod 31, a left blocking seat 32, a second left return spring 33, a right shovel plate 34, a right longitudinal rod 35, a first right transverse rod 36, a second right transverse rod 37, a right blocking seat 38 and a second right return spring 39, the left shovel plate 28 and the right shovel plate 34 are mutually matched and are circular after being closed, the top of the left shovel plate 28 is vertically and fixedly connected with the left longitudinal rod 29, and, a second left transverse rod 31 is vertically and fixedly connected with the side part of the first left transverse rod 30 close to the right end, a right longitudinal rod 35 is vertically and fixedly connected with the top part of the right shovel plate 34 close to the left end, the right longitudinal rod 35 is vertically and fixedly connected with the center position of the bottom part of the first right transverse rod 36, a second right transverse rod 37 is vertically and fixedly connected with the side part of the first right transverse rod 36 close to the left end, the first left transverse rod 30 and the first right transverse rod 36 are mutually parallel, the second left transverse rod 31 penetrates through the first right transverse rod 36 and is provided with a left baffle seat 32 at the end part, a second left return spring 33 is sleeved on the second left transverse rod 31 between the left baffle seat 32 and the first right transverse rod 36, the second right transverse rod 37 penetrates through the first left transverse rod 30 and is provided with a right baffle seat 38 at the end part, a second right return spring 39 is sleeved on the second right transverse rod 37 between the right baffle seat 38 and the first left transverse rod 30, the second left transverse rod 31 and the second right transverse rod 37 are mutually parallel, the opposite sides of the second left transverse rod 31 and the second right transverse rod 37 are respectively provided with a rack 40, the racks 40 can be meshed with the gear 13, the central positions of the tops of the first left transverse rod 30 and the first right transverse rod 36 are respectively provided with a T-shaped groove 41, and the first left transverse rod 30 and the first right transverse rod 36 can be installed on the movable T-shaped body 23 through the T-shaped grooves 41.

Example two:

The positioning device is arranged on the support frame 9 at the position corresponding to the rotating shaft 8, the positioning device comprises a positioning shell 42, a positioning rod 43, a buffer seat 44, a third return spring 45 and a ratchet wheel 46, the positioning rod 43 penetrates through the support frame 9 and extends towards the rotating shaft 8, the positioning shell 42 is arranged on the inner side of the support frame 9, the positioning shell 42 is sleeved on the positioning rod 43, the buffer seat 44 is arranged on the positioning rod 43 in a cavity of the positioning shell 42, the third return spring 45 is sleeved on the positioning rod 43 between the buffer seat 44 and the support frame 9, the ratchet wheel 46 is sleeved on the rotating shaft 8 at the position corresponding to the positioning rod 43, and the.

The height of the ratchet 46 is greater than the diameter of the positioning rod 43.

The cover body 2 is made of transparent material.

The working principle of the invention is as follows:

when in use, according to the position of excrement, a worker rotates the first hand wheel 4 to adjust the position of the cover body 2 on the shell 1, the first hand wheel 4 can drive the screw rod 3, the screw rod 3 can drive the movable seat 5, the movable seat 5 drives the cover body 2 to move on the circumferential surface of the shell 1 under the action of the connecting rod 6, so that the cover body 2 can cover the excrement, before the cover body covers the excrement, the worker rotates the second hand wheel 10 in the anticlockwise direction to drive the rotating shaft 8, so that the left shovel board 28 and the right shovel board 34 move back to the open, the second hand wheel 10 can drive the rotating shaft 8, the rotating shaft 8 drives the gear 13, the gear 13 simultaneously engages with the rack 40 arranged on the opposite side of the second left transverse rod 31 and the second right transverse rod 37, the second left transverse rod 31 can drive the first left transverse rod 30 to move leftwards, the first left transverse rod 30 moves leftwards and drives the left shovel board 28 to move leftwards synchronously under the action of the left longitudinal rod 29, the second right transverse rod 37 can drive the first right transverse rod 36 to move rightwards, the first right transverse rod 36 moves rightwards synchronously under the action of the right longitudinal rod 35 to drive the right shovel plate 34 to move rightwards, so that the left shovel plate 28 and the right shovel plate 34 are in an opening shape, then the left shovel plate 28 and the right shovel plate 34 are aligned in the opening shape to be aligned with excrement, the cover body 2 is abutted to the ground, the excrement is just placed between the left shovel plate 28 and the right shovel plate 34 at the moment, a worker releases the second wheel 10, and the second left transverse rod 31 and the second right transverse rod 37 are under the action of the second left return spring 33 and the second right return spring 39, so that the left shovel plate 28 and the right shovel plate 34 are finally closed to be circular and the excrement is clamped above; when continuous sampling is carried out, the extraction device can be taken down from the shell 1, another extraction device is replaced, the second hand wheel 10 is pushed upwards under the condition that the left shovel plate 28 and the right shovel plate 34 are mutually closed to form a circle, the second hand wheel 10 can drive the rotating shaft 8 to move upwards, the rotating shaft 8 drives the gear 13 and the pushing body 12 to synchronously move upwards, the gear 13 is not meshed with the rack 40 arranged on the opposite side of the second left transverse rod 31 and the second right transverse rod 37, the pushing plate 14 on the pushing body 12 can push the pushing rod 27, the pushing rod 27 pushes the pushing seat 26, the pushing seat 26 pushes the movable T-shaped body 23 to move in the sliding groove 22 on the supporting seat 21, and when the second hand wheel 10 is pushed upwards to the upper limit position, the movable T-shaped body 23 can move out of the T-shaped grooves 41 on the first left transverse rod 30 and the first right transverse rod 36, so that the extraction device is taken down from the shell 1; the left shovel plate 28 and the right shovel plate 34 are aligned in an opening shape, excrement is abutted to the cover body 2 on the ground, a worker releases the second hand wheel 10, the rotating shaft 8 cannot rotate under the action of the ratchet wheel 46 at the moment, the worker can adjust the position of the cover body 2 again, then the worker pulls the positioning rod 43 to enable the end portion of the positioning rod 43 not to be meshed with the ratchet wheel 46, the positioning rod 43 is pulled at intervals or continuously according to actual conditions, when the positioning rod 43 is pulled at intervals, the positioning rod 43 can control the rotating position of the ratchet wheel 46, and the distance between the left shovel plate 28 and the right shovel plate 34 is adjusted; further, when the extracting apparatus is replaced, the rotating shaft 8 moves upward, the ratchet 46 is engaged with the positioning rod 43, the ratchet upward movement 46 does not rotate, the gear 13 does not rotate, and the gear 13 does not rotate so as to be engaged again with the rack 40 provided on the side opposite to the second left transverse rod 31 and the second right transverse rod 37.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A veterinary feces sampling tool comprising a housing (1), characterized in that: the novel lead screw is characterized in that a cover body (2) is sleeved on the shell (1), a lead screw (3) is arranged in the shell (1), the lead screw (3) is coaxial with the shell (1), the lead screw (3) penetrates through the shell (1) and is rotationally connected with the shell (1), the lead screw (3) at the top of the shell (1) is arranged outside the cavity of the shell (1) in an extending mode, a first hand wheel (4) is sleeved on the lead screw (3), a moving seat (5) is arranged in the cavity of the shell (1) and is arranged on the lead screw (3), a group of connecting rods (6) are symmetrically arranged on the lateral portion of the moving seat (5), long openings (7) are formed in the lateral portion of the shell (1) corresponding to the positions of the connecting rods (6), the connecting rods (6) penetrate through the long openings (7) and the cover body (2) and are fixedly connected with the lead screw (3), a rotating shaft, the top of the shell (1) extending out of the cavity of the lead screw (3) and corresponding to the rotating shaft (8) at the top of the lead screw (3) is provided with a support frame (9), the rotating shaft (8) penetrates through the support frame (9) and is sleeved with a second hand wheel (10) at the end part, the bottom of the lead screw (3) extending out of the cavity of the lead screw is provided with a pressure bearing body (11) corresponding to the rotating shaft (8), the rotating shaft (8) penetrates through the pressure bearing body (11) and is sequentially sleeved with a pushing body (12) and a gear (13) from top to bottom at the end part, the pushing body (12) is symmetrically provided with a group of pushing plates (14), the pushing plates (14) are provided with strip through holes (15) which are obliquely arranged, the pressure bearing body (11) is cylindrical, and is arranged in the cavity of the pressure bearing body (11), and a return seat (16) is sleeved on the rotating shaft (8), a first return spring (17) is sleeved on the rotating shaft (8) between the return seat (16) and the bottom of the shell (1), a guide groove (18) is formed in the pressure bearing body (11) between the contact surfaces of the return seat (16) and the pressure bearing body (11), a guide block (19) is arranged on the return seat (16) between the contact surfaces of the return seat (16) and the pressure bearing body (11), the guide block (19) is arranged in the guide groove (18), a group of arc section supporting plates (20) are symmetrically arranged at the bottom of the shell (1), the side parts of the arc section supporting plates (20) close to the end parts are fixedly connected with a supporting seat (21), a sliding groove (22) is formed in the supporting seat (21), a movable T-shaped body (23) is arranged in the sliding groove (22), and a groove (24) is formed in the sliding groove (22) between the movable T-shaped body (23) and the contact surfaces of the sliding groove (22), activity T type body (23) with between spout (22) the contact surface be equipped with arch (25) on the activity T type body (23), arch (25) are arranged in recess (24), activity T type body (23) top central point puts fixed connection and pushes away seat (26), push away seat (26) with one side fixed connection push rod (27) that arc section backup pad (20) is relative, push rod (27) run through arc section backup pad (20) swing joint in on push plate (14) on rectangular through-hole (15), activity T type body (23) correspond the position and are equipped with extraction element, extraction element includes left shovel board (28), left vertical pole (29), first left horizontal pole (30), the left horizontal pole of second (31), left side fender seat (32), the left return spring of second (33), shovel board (34), right vertical pole (35) in the right side, A first right transverse rod (36), a second right transverse rod (37), a right retaining seat (38) and a second right return spring (39), wherein the left shovel plate (28) and the right shovel plate (34) are matched with each other and are circular after being closed, the top of the left shovel plate (28) is vertically and fixedly connected with the left longitudinal rod (29), the left longitudinal rod (29) is vertically and fixedly connected to the bottom center of the first left transverse rod (30), the side of the first left transverse rod (30) is close to the right end position and vertically and fixedly connected with the second left transverse rod (31), the top of the right shovel plate (34) is vertically and fixedly connected with the right longitudinal rod (35), the right longitudinal rod (35) is vertically and fixedly connected to the bottom center of the first right transverse rod (36), the side of the first right transverse rod (36) is close to the left end position and vertically and fixedly connected with the second right transverse rod (37), and the first left transverse rod (30) and the first right transverse rod (36) are parallel to each other, the second left transverse rod (31) runs through the first right transverse rod (36) and is provided with a left stop seat (32) at the end part, the left stop seat (32) and the first right transverse rod (36) are arranged between the second left transverse rod (31) and are sleeved with a second left return spring (33), the second right transverse rod (37) runs through the first left transverse rod (30) and is provided with a right stop seat (38) at the end part, the right stop seat (38) and the first left transverse rod (30) are sleeved with a second right return spring (39), the second left transverse rod (31) and the second right transverse rod (37) are parallel to each other, the second left transverse rod (31) and the second right transverse rod (37) are arranged on the opposite side and are both provided with a rack (40), the rack (40) can be meshed with the gear (13), the central point at first left transverse bar (30) and first right transverse bar (36) top all is equipped with T type groove (41), first left transverse bar (30) and first right transverse bar (36) pass through T type groove (41) can be installed on activity T type body (23).

2. A veterinary stool sampling tool according to claim 1 and further comprising: a positioning device is arranged on the support frame (9) at the corresponding position of the rotating shaft (8), the positioning device comprises a positioning shell (42), a positioning rod (43), a buffer seat (44), a third return spring (45) and a ratchet wheel (46), the positioning rod (43) penetrates through the supporting frame (9) and extends towards the direction of the rotating shaft (8), a positioning shell (42) is arranged on the inner side of the supporting frame (9), the positioning shell (42) is sleeved on the positioning rod (43), a buffer seat (44) is arranged on the positioning rod (43) arranged in the cavity of the positioning shell (42), a third return spring (45) is sleeved on the positioning rod (43) between the buffer seat (44) and the supporting frame (9), the rotating shaft (8) at the position corresponding to the positioning rod (43) is sleeved with a ratchet wheel (46), and the ratchet wheel (46) is meshed with the positioning rod (43).

3. A veterinary stool sampling tool according to claim 2 in which: the height of the ratchet wheel (46) is larger than the diameter of the positioning rod (43).

4. A veterinary stool sampling tool according to claim 3 and further comprising: the cover body (2) is made of transparent materials.