CN110833466B

CN110833466B - Poultry embryo dissection platform

Info

Publication number: CN110833466B
Application number: CN201911179258.1A
Authority: CN
Inventors: 景栋林; 李庆山; 于辉; 陈楚杰; 吴金华; 陈克城
Original assignee: Foshan University
Current assignee: Foshan University
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2021-11-23
Anticipated expiration: 2039-11-27
Also published as: CN110833466A

Abstract

The invention discloses a poultry embryo dissection table, comprising a chassis and an egg positioning mechanism fixedly arranged on the chassis. A first through hole is arranged oppositely, and a second through hole is oppositely arranged in the middle of the left frame bar and the right frame bar; an installation cylinder is arranged in the first through hole and the second through hole, and each installation cylinder passes through the hole. A guide post is inserted towards the center of the rectangular installation frame, the guide post is connected to the installation cylinder through a guiding mechanism, and an arc support block is provided at one end of each guide post away from the installation cylinder, and the installation cylinder is provided with a It is an adjustment mechanism used to drive the guide column to drive the arc support block to approach or away from the center of the rectangular mounting frame, and the four arc support blocks can be combined to form a circular support ring. The dissection table has the functions of supporting and clamping at the same time, which can provide the staff with a better dissection angle.

Description

Poultry embryo dissection platform

Technical Field

The invention relates to the technical field of embryo dissecting instruments, in particular to a poultry embryo dissecting table.

Background

As the research staff have wide and deep research scope on the poultry embryo, the poultry embryo is necessarily dissected in the research process. At present, laboratory workers dissect poultry embryos with the main purpose of: firstly, researching the shape, growth and development of poultry embryos and tissues and organs; secondly, collecting the samples of the poultry embryo and the tissues and organs.

During the hatching period of the poultry embryo, the outer side of the poultry embryo is wrapped by a plurality of layers of tissue membranes, for example, if the poultry embryo and each tissue organ thereof are subjected to anatomical observation or sample collection, workers need to break and peel off a part of the eggshell to further carry out the anatomical observation or sample collection on the embryo. Because the eggs are oval, workers can press the small ends of the hatching eggs against a circular paper inner ring before dissection so as to fix the eggs, but because the egg-shaped indexes of all the eggs are different, the shape of the paper inner ring is fixed, and the stability of some eggs on the paper inner ring is poor. Especially, when anatomical research is carried out in the early stage of hatching, embryos and tissues and organs are not developed perfectly, the shapes are small, and if poultry eggs do self-movement, the accuracy of related anatomical operations is affected. For eggs of larger or smaller size, the rings are less suitable because they are more difficult to secure. Secondly, liquid in the eggshell is easy to overflow and fall on the working table surface in the dissecting process, and is difficult to collect and clean. At the present stage, most of the dissecting operation is the egg tray made of paper materials, and the materials are high in material consumption, easy to pollute and not easy to clean and disinfect.

Therefore, the prior art needs to be improved and improved, and a poultry embryo dissecting table is needed in poultry embryo dissecting experiments.

Disclosure of Invention

In view of the defects of the prior art, the invention aims to provide the poultry embryo dissecting table which has high applicability to the types of poultry eggs and is convenient to clean and disinfect, and aims to stably support the poultry eggs and reduce the influence on the poultry embryo dissection.

In order to achieve the purpose, the invention adopts the following technical scheme:

the poultry egg positioning mechanism comprises a base plate and a rectangular mounting frame, wherein the poultry egg positioning mechanism is fixedly arranged on the base plate and comprises a front frame strip, a rear frame strip, a left frame strip and a right frame strip; all be provided with an installation section of thick bamboo in first through-hole and the second through-hole, penetrate a guide post towards rectangle installing frame center in every installation section of thick bamboo, the guide post passes through guiding mechanism and is connected with the installation section of thick bamboo, and the one end that the installation section of thick bamboo was kept away from to every guide post is provided with an circular arc tray, be provided with one in the installation section of thick bamboo and be used for driving the guide post and drive the adjustment mechanism that the circular arc tray is close to or keeps away from rectangle installing frame center, 4 circular arc trays can the amalgamation form a circular ring form filler ring.

The installation cylinder is cylindric, and a tip of every installation cylinder is provided with a circular annular baffle, and another tip is provided with a screw hole, the one end that the circular arc tray was kept away from to the guide post is provided with a stopper, the inner ring clearance fit of guide post and baffle, guiding mechanism is protruding and the spout of setting on the guide post including setting up the location on the baffle inner ring, the protruding card of location is established on the spout.

The adjusting mechanism comprises a screw rod and a spring positioned between the baffle and the limiting block, the spring is sleeved on the corresponding guide post, two ends of the spring are respectively pressed on the baffle and the limiting block, and each screw rod is respectively screwed into the corresponding threaded hole and pressed on the limiting block.

The mounting cylinders arranged on the left frame strip and the right frame strip are rotatably connected with the second through hole through bearings, and the mounting cylinders arranged on the front frame strip and the rear frame strip are fixedly connected with the first through hole.

All be equipped with on left frame strip and the right frame strip and spline the mechanism, spline the mechanism including fixing the fixture block on the installation section of thick bamboo to and one end rotate the card strip of connection on corresponding frame strip, offer the draw-in groove that is used for with the fixture block joint on the card strip, the other end accessible locking screw of card strip fixes on this frame strip, is provided with the support arch that is used for supporting the card strip on left frame strip and the right frame strip.

And rotary dampers are arranged on the left frame strip and the right frame strip and sleeved on the corresponding mounting cylinders.

The middle part on chassis is provided with the supporting seat with rectangle installing frame shape looks adaptation, the side of rectangle installing frame is provided with a plurality of side and detains, corresponds on the supporting seat to be provided with a plurality of lock joint pieces with the side knot looks adaptation, and the rectangle installing frame is through side knot and lock joint piece and supporting connection.

And a flanging is arranged on the edge of the chassis.

The arc supporting block is made of elastic silica gel, and anti-skid lines are arranged on the surface of the arc supporting block.

Has the advantages that:

the invention provides a poultry embryo dissecting table which has the functions of supporting and clamping and can provide a better dissecting angle for workers. When the arc supporting blocks are used for supporting, a supporting worker can visually observe the shape and size of the eggs, the distance between the arc supporting blocks and the center of the rectangular mounting frame is adjusted through the adjusting mechanism, a certain arc gap is formed between every two adjacent arc supporting blocks, then the pointed ends of the eggs face the supporting rings and extend into the supporting rings, the outer walls of the eggs are pressed against the inner arc edges of the arc supporting blocks, and therefore preliminary fixing of the eggs is achieved. Because the gravity center of the poultry egg is not necessarily positioned at the center of the poultry egg, and then the worker finely adjusts each arc supporting block, the stability of the poultry egg placed on the supporting ring is ensured, and the poultry egg is prevented from moving by itself and separating from the supporting of the supporting ring in the process of dissecting. When in dissection, the working personnel can flexibly rotate the poultry eggs according to the dissection mode, and tissues on the poultry eggs generated by dissection can be received through the chassis, so that the poultry eggs are convenient to collect and process. When the arc supporting blocks are used for clamping eggs, the arc supporting blocks corresponding to the left frame strip and the right frame strip can be changed into clamping blocks, the two clamping blocks can clamp the eggs, the clamped eggs can be turned over according to the dissection requirements, and workers can have a better dissection angle and an observation angle for the eggs through turning over.

Drawings

FIG. 1 is a perspective view of a poultry embryo dissection table according to the present invention.

Fig. 2 is a partially enlarged view of the region M in fig. 1.

Fig. 3 is a partially enlarged view of the region L in fig. 1.

Fig. 4 is a schematic diagram of the internal structure of a mounting cylinder in the poultry embryo dissection table provided by the invention.

Fig. 5 is a schematic diagram of a state that an arc-shaped supporting block supports an egg in the poultry embryo dissecting table provided by the invention.

Fig. 6 is a schematic view of a state that an arc-shaped supporting block clamps a poultry egg in the poultry embryo dissecting table provided by the present invention.

Detailed Description

The invention provides a poultry embryo dissecting table, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the invention clearer and more clear. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.

Referring to fig. 1, the present invention provides a poultry embryo dissection table, wherein the direction of the front direction is the direction of the poultry embryo dissection table towards the user, and the direction of the rear direction is opposite to the front direction, so as to facilitate the operation of the dissection table by the user. "left" is the left direction of the user as it is oriented toward the poultry embryo dissection table, and "right" is the opposite direction from "left".

Referring to fig. 1 and 6, the present invention provides a poultry embryo dissecting table, which comprises a chassis 1 and a poultry egg positioning mechanism 2 fixedly arranged on the chassis, wherein the poultry egg positioning mechanism 2 comprises a rectangular mounting frame 3, the rectangular mounting frame 3 comprises a front frame strip 3a, a rear frame strip 3b, a left frame strip 3c and a right frame strip 3d, the middle parts of the front frame strip and the rear frame strip are both provided with a first through hole 4, the middle parts of the left frame strip and the right frame strip are both provided with a second through hole 5, the axes of the two first through holes 4 are overlapped, the axes of the two second through holes 5 are overlapped, and the axes of the first through holes 4 are vertically intersected with the axes of the second through holes 5; all be provided with an installation section of thick bamboo 6 in first through-hole and the second through-hole, penetrate a guide post 61 towards rectangle installing frame center in every installation section of thick bamboo, the guide post passes through guiding mechanism 7 and is connected with installation section of thick bamboo 6, and the one end that the installation section of thick bamboo was kept away from to every guide post is provided with an circular arc tray 8, be provided with one in the installation section of thick bamboo and be used for driving the guide post and drive the adjustment mechanism 9 that the circular arc tray is close to or keeps away from rectangle installing frame center, 4 circular arc trays can the amalgamation form a circular ring form backing ring 81.

In this embodiment, referring to fig. 1 and fig. 5, each frame strip of the rectangular mounting frame 3 has the same length and is a square mounting frame. The initial use state of the poultry embryo dissecting table is that 4 circular arc supporting blocks are spliced to form a circular ring-shaped supporting ring 81, and the arc length of each circular arc supporting block 8 is the perimeter of a 4-th circle. Before dissection, a worker can visually observe the shape and size of the eggs, the distance between the arc supporting blocks and the center of the rectangular mounting frame is adjusted through the adjusting mechanism, a certain arc gap is formed between every two adjacent arc supporting blocks, the diameter of a supporting ring enclosed by the 4 arc supporting blocks and the arc gap 83 is adjusted, then the pointed ends of the eggs face the supporting ring and extend into the supporting ring 81, the outer walls of the eggs are pressed against the inner arc edges of the arc supporting blocks, and preliminary fixation of the eggs is further achieved. Because the gravity center of the poultry egg is not necessarily positioned at the center of the poultry egg, and then the worker finely adjusts each arc supporting block, the stability of the poultry egg placed on the supporting ring is ensured, and the poultry egg is prevented from moving by itself and separating from the supporting of the supporting ring in the process of dissecting. When in dissection, the working personnel can flexibly rotate the poultry eggs according to the dissection mode, and eggshells, liquid and organs of tissues generated in the dissection process can be received through the chassis, so that the collection and the processing are convenient. Therefore, the poultry embryo dissecting table can support and fix most poultry eggs, and particularly, the poultry eggs are kept stable and immovable in the dissecting experiment process of poultry embryos before and in the middle period of hatching, so that the experiment can be carried out smoothly.

Specifically, referring to fig. 3 and 4, the mounting cylinders 6 are cylindrical, one end of each mounting cylinder 6 is provided with a circular baffle 62, the other end of each mounting cylinder 6 is provided with a threaded hole 63, one end of each guide post, which is far away from the circular arc supporting block, is provided with a limiting block 64, the guide post 61 is in clearance fit with an inner ring of the baffle, the guide mechanism 7 comprises a positioning protrusion 71 arranged on the inner ring of the baffle and a sliding groove 72 arranged on the guide post, and the positioning protrusion 71 is clamped on the sliding groove 72. Through setting up guide mechanism, the guide post can be when being close to or keeping away from the central motion of rectangle installing frame 3 and can not take place the rotation to doing the axial motion, makes the upper surface of circular arc tray parallel with the horizontal plane all the time, guarantees the stationarity of circular arc tray 8 bearing birds, beasts and eggs.

Further, referring to fig. 4, the adjusting mechanism 9 includes a screw 91 and a spring 92 located between the baffle 91 and the limiting block, the spring 92 is sleeved on the corresponding guiding column 61, two ends of the spring respectively press against the baffle 62 and the limiting block 64, and each screw 91 is respectively screwed into the corresponding threaded hole 63 and presses against the limiting block. Here, the free end of the screw is provided with a hand screwing part 93, when the arc support block moves towards the center of the rectangular mounting frame, the worker rotates the hand screwing part to enable the screw to push the guide post 61 to move along the direction of the center of the rectangular mounting frame 3, the spring 92 is compressed, the deformation elastic force of the spring can also generate acting force on the guide post, and the spring cannot move axially under the condition of no external force.

In another embodiment, referring to fig. 6, the mounting tubes disposed on the left frame strip 3c and the right frame strip 3d are rotatably connected to the second through hole 5 through a bearing 66, and the mounting tubes 6 disposed on the front frame strip 3a and the rear frame strip 3b are fixedly connected to the first through hole 4. In this embodiment, the poultry embryo dissecting table has another function besides the function of supporting and fixing the poultry eggs by the supporting rings 81, the arc supporting blocks 8 corresponding to the left frame bar 3c and the right frame bar 3d can be changed into clamping blocks, the two clamping blocks can clamp the poultry eggs a, the clamped poultry eggs can be turned over according to dissecting requirements, and workers can have a better dissecting angle and an observation angle for the poultry eggs through turning over.

Specifically, referring to fig. 1 and 2, the left frame strip and the right frame strip are both provided with a rotation stopping mechanism 10, the rotation stopping mechanism 10 includes a fixture block 10a fixed on the mounting tube and a clamping strip 10b with one end rotatably connected to the corresponding frame strip, the clamping strip is provided with a clamping slot 10c for clamping with the fixture block, the other end of the clamping strip 10b can be fixed on the frame strip through a locking screw 10d, and the left frame strip 3c and the right frame strip 3d are provided with a supporting protrusion 10e for supporting the clamping strip. When the screws on the left frame strip and the right frame strip need to be adjusted, the clamping strip 10b is put down, then the free end of the clamping strip 10b is locked by the locking screw 10d, and the clamping block can be clamped by the clamping groove 10c to realize rotation stopping of the mounting cylinder 6; when the installation cylinder needs to be rotated, the clamping strip 10b is rotated by 180 degrees to enable the upper surface of the clamping strip to be abutted to the supporting protrusion, and interference between the clamping strip and the installation cylinder is avoided. It should be noted that, when the clamping block is clamped by the clamping groove, the upper surface of the arc supporting block is parallel to the horizontal plane.

And rotary dampers 11 are arranged on the left frame strip and the right frame strip, and are sleeved on the corresponding mounting cylinders. The installation barrel is manually rotated by workers so that the arc supporting block swings relative to the rectangular installation frame; through setting up rotary damper 11, provide certain resistance to the rotary motion of an installation section of thick bamboo, guarantee that the installation section of thick bamboo can not take place the rotation under the manpower rotation does not, and then make the circular arc tray remain motionless, ensure that the poultry embryo is dissected smoothly. Here, the rotary damper is the prior art, and the principle and the function thereof are not described in detail.

Preferably, the arc supporting block 8 is made of elastic silica gel, and anti-skid grains (not shown in the figure) are arranged on the surface of the arc supporting block. Through setting up like this, certain elastic deformation can take place for the circular arc tray, laminates mutually with the eggshell surface of birds, guarantees the effect of centre gripping, avoids the too big broken birds, and the frictional force between the clamping face of circular arc tray and the eggshell can be increased to the antiskid line moreover.

Specifically, referring to fig. 1, a supporting seat 13 (i.e., a rectangular frame shape) adapted to a rectangular mounting frame in shape is disposed in the middle of the chassis 1, a plurality of side buckles 14 are disposed on the side surface of the rectangular mounting frame, a plurality of buckling blocks 15 adapted to the side buckles are correspondingly disposed on the supporting seat, and the rectangular mounting frame is connected to the supporting seat 13 through the side buckles and the buckling blocks (preferably, wedge-shaped buckling blocks). During assembly, the rectangular mounting frame 3 is directly pressed to the top of the supporting seat 13, so that connection can be completed, and the mounting and dismounting are convenient. During the dissection process, the eggshells of a part of poultry eggs can fall into the supporting seat, so that the poultry eggs are convenient to collect; simultaneously, albumen amniotic fluid or some embryo tissues in the eggshell also can flow to the inside of supporting seat and obtain collecting, prevent to reveal, when needing to wash, only need demolish rectangle installing frame and chassis, can carry out thorough washing to rectangle installing frame and chassis.

Preferably, a flange 16 is arranged on the edge of the chassis 1. The collecting vessel which can be used for placing the dissecting instrument and the tissues of the eggs and eggs on the base plate can prevent the objects placed on the base plate from falling off when the poultry embryo dissecting table is transferred by arranging the flanging.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the protective scope of the present invention.

Claims

1. a poultry embryo dissection table, is characterized in that, comprises a chassis, is arranged on the poultry egg positioning mechanism that is fixedly arranged on the chassis, described poultry egg positioning mechanism comprises a rectangular mounting frame, and this rectangular mounting frame comprises front frame bar , the rear frame strip, the left frame strip and the right frame strip, a first through hole is set opposite to the middle of the front frame strip and the rear frame strip, and a second through hole is set opposite to the middle of the left frame strip and the right frame strip. The axes of the first through holes overlap, the axes of the two second through holes overlap, and the axes of the first through holes and the axes of the second through holes intersect perpendicularly; There is an installation cylinder, and each installation cylinder penetrates a guide column toward the center of the rectangular installation frame, the guide column is connected with the installation cylinder through a guiding mechanism, and an arc is provided at one end of each guide cylinder away from the installation cylinder Support block, the installation cylinder is provided with an adjustment mechanism for driving the guide column to drive the arc support block to be close to or away from the center of the rectangular installation frame, and the four arc support blocks can be assembled to form a circular support ring; The installation cylinder is cylindrical, one end of each installation cylinder is provided with a circular baffle plate, the other end is provided with a threaded hole, and one end of the guide column away from the arc block is provided with a limit The guide column is in clearance fit with the inner ring of the baffle plate, and the guide mechanism includes a positioning protrusion arranged on the inner ring of the baffle plate and a chute arranged on the guide column, and the positioning protrusion is clamped on the inner ring of the baffle plate. on the chute.

2. The poultry embryo dissection table according to claim 1, wherein the adjusting mechanism comprises a screw rod and a spring positioned between the baffle plate and the stop block, and the spring is sleeved on the corresponding guide column, Both ends of the spring are pressed against the baffle plate and the limit block respectively, and each screw rod is screwed into the corresponding threaded hole and pressed against the limit block.

3. poultry embryo dissection table according to claim 1, is characterized in that, the installation cylinder that is arranged on described left frame bar and right frame bar is rotatably connected with the second through hole by bearing, and is arranged on described front frame bar . The installation cylinder on the rear frame strip is fixedly connected with the first through hole.

4. The poultry embryo dissection table according to claim 3, wherein the left frame bar and the right frame bar are provided with a rotation stop mechanism, and the rotation stop mechanism comprises a clamping block fixed on the installation cylinder, And one end of the card bar is rotatably connected to the corresponding frame bar, the card bar is provided with a card slot for connecting with the card block, the other end of the card bar can be fixed on the frame bar by locking screws, the left frame bar and the right frame The strips are provided with support protrusions for supporting the clip strips.

5. poultry embryo dissection table according to claim 3 or 4 is characterized in that, described left frame bar and right frame bar are all provided with rotary damper, and described rotary damper is sleeved on the corresponding installation cylinder .

6. poultry embryo dissection table according to claim 1, is characterized in that, the middle part of described chassis is provided with the support seat that is matched with the shape of rectangular mounting frame, and the side surface of described rectangular mounting frame is provided with a plurality of side buckles The support base is correspondingly provided with a plurality of buckling blocks adapted to the side buckles, and the rectangular mounting frame is connected to the support base through the side buckles and the buckling blocks.

7 . The poultry embryo dissection table according to claim 6 , wherein a flange is provided on the edge of the chassis. 8 .

8 . The poultry embryo dissection table according to claim 1 , wherein the arc support block is made of elastic silicone, and the surface of the arc support block is provided with anti-skid patterns. 9 .