Test tube baby sperm screening equipment convenient to observe

Abstract

The invention relates to the technical field of sperm screening equipment, in particular to test-tube baby sperm screening equipment convenient to observe, which comprises a fixed frame, a protective shell is fixedly connected to the side of the top of the fixed frame, a lifting observation mechanism is mounted at the top of the fixed frame, and two symmetrical movable sliding mechanisms are fixedly mounted at the top of the fixed frame. A screening mechanism is arranged on one side of the sample placing mechanism, a second driving motor rotates to drive a first lead screw to rotate, so that the first lead screw rotates to conveniently drive a sliding seat on a sliding rail to move, and the sliding seat drives the sample placing mechanism to move to be close to an observation table surface; meanwhile, the horizontal height is adjusted through the telescopic adjustment supporting plate of the arranged first electric telescopic rod, so that sperms needing to be observed can be conveniently lifted and adjusted, observation and use are facilitated, sperm pollution caused by manual taking is avoided, and the accuracy of sperm observation data is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of sperm screening equipment, in particular to an in vitro fertilization sperm screening equipment which is easy to observe. Background Art

[0002] 1. The rotation of the first driving motor drives the threaded screw to rotate, so as to facilitate the adjustment of the guide rod fixing seat to adjust the horizontal height, so as to facilitate the observation table to be close to the camera for video shooting and screening. The rotation of the second driving motor drives the first screw to rotate, so that the rotation of the first screw drives the sliding seat on the slide rail to move, so that the sliding seat drives the sample placement mechanism to move close to the observation table. At the same time, the horizontal height is adjusted by the telescopic adjustment support plate of the first electric telescopic rod, so as to facilitate the lifting and adjustment of the sperm to be observed, so as to facilitate observation and avoid sperm contamination caused by manual picking, thereby ensuring the accuracy of sperm observation data.

[0003] 2. When screening sperm, the rotation of the driven gear drives the rotating shaft to rotate, which facilitates the rotation and adjustment of the circular frame on the top of the rotating shaft, so that the circular frame can be rotated and adjusted to facilitate the rotation of the semen discharge tube, so that the sperm can be screened and discharged one by one evenly. The limit frame and the limit groove on the rotating shaft are pushed by the extension of the fourth electric telescopic rod to be set between the semen discharge tube, so as to facilitate the fixation of the semen discharge tube and facilitate the screening and control. The rotation of the servo motor drives the small gear to rotate, so that the rotation of the small gear facilitates the gear bar to be telescopically adjusted, so as to facilitate the adjustment of the liquid outlet box, so as to ensure that the liquid outlet box can cast the semen into the sample plate for observation and use, avoid the waste of sperm, and can screen and compare data in multiple times to ensure the accuracy of sperm. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides an in vitro fertilization sperm screening device that is easy to observe and solves the problems raised in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a sperm screening device for in vitro fertilization that is easy to observe, comprising a fixed frame, a protective shell is fixedly connected to the top side of the fixed frame, and a lifting observation mechanism is installed on the top of the fixed frame;

[0006] Two symmetrical movable sliding mechanisms are fixedly installed on the top of the fixed frame, and a sample placement mechanism is installed on the top of the movable sliding mechanism;

[0007] A screening mechanism is arranged on one side of the sample placement mechanism.

[0008] Preferably, the lifting and observation mechanism includes a fixed support seat fixedly connected to both sides of the top of the fixed frame, two guide rods are fixedly connected to the top of the fixed support seat, and an adjusting fixed seat is inserted and connected to the outer side of the guide rod, and a threaded screw is threadedly connected to the middle of the adjusting fixed seat, and the bottom end of the threaded screw is fixedly connected to the transmission end of the first driving motor arranged at the bottom end of the fixed support seat, an observation platform is fixedly connected between one side of the adjusting fixed seat, a fixed bracket is fixedly connected to one side of the fixed frame, and a camera is fixedly connected to the top of the fixed bracket.

[0009] Preferably, the movable sliding mechanism includes a movable base fixedly connected to one end of the top of the fixed frame, one end of the movable base is fixedly connected to a second driving motor, a transmission end of the second driving motor is fixedly connected to a first screw rod, an outer side of the first screw rod is threadedly connected to a sliding seat, both sides of the top of the movable base are fixedly connected to slide rails, the bottom end of the sliding seat is slidably connected to the slide rails, the top of the sliding seat is fixedly connected to a first electric telescopic rod, and the telescopic end of the first electric telescopic rod is fixedly connected to a support plate.

[0010] Preferably, the sample placement mechanism includes a device fixing frame fixedly connected to the top of the support plate, two second electric telescopic rods are fixedly connected to the top of the device fixing frame, the telescopic ends of the second electric telescopic rods are fixedly connected to a locking shell, one side of the locking shell is fixedly connected to a third electric telescopic rod, the inner side of the locking shell is inserted and locked with a sample plate, a plurality of grooves are opened on the top of the sample plate, a liquid storage cylinder is fixedly connected to the top of one end of the support plate, a small delivery pump is provided on the top of the liquid storage cylinder, the liquid inlet of the small delivery pump is fixedly connected to a delivery pipe, and the delivery pipe is placed inside the liquid storage cylinder, and the liquid outlet of the small delivery pump is connected to the nozzle through the delivery pipe.

[0011] Preferably, the screening mechanism includes a connecting plate fixedly connected to one side of the device fixing frame, one side of the connecting plate is fixedly connected to an installation fixing connecting frame, one side of the bottom end of the installation fixing connecting frame is fixedly connected to a small motor, the transmission end of the small motor is fixedly connected to a driving gear, one side of the driving gear is meshingly connected to a driven gear, the middle part of the driven gear is fixedly connected to a rotating shaft, a limiting frame is inserted in the middle part of the rotating shaft, a plurality of limiting grooves are provided on the top of the limiting frame, the bottom end of the limiting frame is fixedly connected to a fourth electric telescopic rod, and the bottom end of the fourth electric telescopic rod is fixedly connected to the top of the installation fixing connecting frame.

[0012] Preferably, a servo motor is provided on one side of the bottom end of the mounting and fixing connecting frame, a small gear is fixedly connected to the transmission end of the servo motor, a gear bar is meshedly connected to the top of the small gear, one end of the gear bar is connected to a liquid outlet box, and one side of the liquid outlet box is through-connected with an electromagnetic valve;

[0013] The top end of the rotating shaft is fixedly connected to a circular frame, the bottom end of the circular frame is fixedly connected to a plurality of small electric telescopic rods, the bottom end of the small electric telescopic rods is fixedly connected to a piston push rod, the outer side of the piston push rod is sleeved with a semen discharge tube, and one side of the semen discharge tube is fixedly connected to the outer side of the rotating shaft through a circular connecting frame.

[0014] Preferably, a switch panel is fixedly connected to one side of the fixing frame, and a protective layer is fixedly connected to the surface of the switch panel.

[0015] Preferably, a first drive motor control switch, a second drive motor control switch, a first electric telescopic rod control switch, a second electric telescopic rod control switch, a small delivery pump control switch, a small motor control switch, a fourth electric telescopic rod control switch, a servo motor control switch and a small electric telescopic rod control switch are provided on the surface of the switch panel, and the first drive motor, the second drive motor, the first electric telescopic rod, the second electric telescopic rod, the small delivery pump, the small motor, the fourth electric telescopic rod, the servo motor and the small electric telescopic rod are electrically connected to the external power supply through the first drive motor control switch, the second drive motor control switch, the first electric telescopic rod control switch, the second electric telescopic rod control switch, the small delivery pump control switch, the small motor control switch, the fourth electric telescopic rod control switch, the servo motor control switch and the small electric telescopic rod control switch respectively.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention provides a test tube baby sperm screening device that is easy to observe:

[0018] 1. The rotation of the first driving motor drives the threaded screw to rotate, so as to facilitate the adjustment of the guide rod fixing seat to adjust the horizontal height, so as to facilitate the observation table to be close to the camera for video shooting and screening. The rotation of the second driving motor drives the first screw to rotate, so that the rotation of the first screw drives the sliding seat on the slide rail to move, so that the sliding seat drives the sample placement mechanism to move close to the observation table. At the same time, the horizontal height is adjusted by the telescopic adjustment support plate of the first electric telescopic rod, so as to facilitate the lifting and adjustment of the sperm to be observed, so as to facilitate observation and avoid sperm contamination caused by manual picking, thereby ensuring the accuracy of sperm observation data.

[0019] 2. When screening sperm, the rotation of the driven gear drives the rotating shaft to rotate, which facilitates the rotation and adjustment of the circular frame on the top of the rotating shaft, so that the circular frame can be rotated and adjusted to facilitate the rotation of the semen discharge tube, so that the sperm can be screened and discharged one by one evenly. The limit frame and the limit groove on the rotating shaft are pushed by the extension of the fourth electric telescopic rod to be set between the semen discharge tube, so as to facilitate the fixation of the semen discharge tube and facilitate the screening and control. The rotation of the servo motor drives the small gear to rotate, so that the rotation of the small gear facilitates the gear bar to be telescopically adjusted, so as to facilitate the adjustment of the liquid outlet box, so as to ensure that the liquid outlet box can cast the semen into the sample plate for observation and use, avoid the waste of sperm, and can screen and compare data in multiple times to ensure the accuracy of sperm. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 It is one of the structural schematic diagrams of the present invention;

[0022] Figure 3 It is a schematic diagram of the structure of the lifting observation mechanism of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the mobile sliding mechanism of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the mounting and fixing connecting frame of the present invention;

[0025] Figure 6 It is a schematic diagram of the structure of a small motor of the present invention.

[0026] In the figure: 1, fixed frame; 101, protective shell; 2, lifting observation mechanism; 201, fixed support seat; 202, guide rod; 203, adjustment fixed seat; 204, threaded screw; 205, first drive motor; 206, observation table; 207, fixed bracket; 208, camera; 3, moving sliding mechanism; 301, moving base; 302, second drive motor; 303, first screw; 304, sliding seat; 305, slide rail; 306, first electric telescopic rod; 307, support plate; 4, sample placement mechanism; 401, device fixing frame; 402, second electric telescopic rod; 403, snap-on shell; 404 , sample plate; 405, slot hole; 406, liquid storage cylinder; 407, small delivery pump; 408, nozzle; 5, screening mechanism; 501, connecting plate; 502, mounting and fixing connecting frame; 503, small motor; 504, driving gear; 505, driven gear; 506, rotating shaft; 507, limiting frame; 508, limiting groove; 509, fourth electric telescopic rod; 5010, servo motor; 5011, small gear; 5012, gear bar; 5013, liquid outlet box; 5014, solenoid valve; 5015, circular frame; 5016, small electric telescopic rod; 5017, piston push rod; 5018, semen discharge tube. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0029] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] like Figure 1-Figure 6 As shown, the present invention provides an in vitro fertilization sperm screening device that is easy to observe, comprising a fixed frame 1, a protective shell 101 is fixedly connected to the top side of the fixed frame 1, and a lifting observation mechanism 2 is installed on the top of the fixed frame 1;

[0032] Two symmetrical moving sliding mechanisms 3 are fixedly installed on the top of the fixed frame 1, and a sample placement mechanism 4 is installed on the top of the moving sliding mechanism 3;

[0033] A screening mechanism 5 is provided on one side of the sample placement mechanism 4 .

[0034] The lifting observation mechanism 2 includes a fixed support seat 201 fixedly connected to both sides of the top of the fixed frame 1, two guide rods 202 are fixedly connected to the top of the fixed support seat 201, and an adjusting fixed seat 203 is inserted and connected to the outer side of the guide rod 202, and a threaded screw 204 is threadedly connected to the middle of the adjusting fixed seat 203, and the bottom end of the threaded screw 204 is fixedly connected to the transmission end of the first driving motor 205 arranged at the bottom end of the fixed support seat 201, an observation platform 206 is fixedly connected between one side of the adjusting fixed seat 203, a fixed bracket 207 is fixedly connected to one side of the fixed frame 1, and a camera 208 is fixedly connected to the top of the fixed bracket 207.

[0035] During specific use, when conducting sperm screening observation, first the observation table 206 needs to be lifted up to the camera 208 to observe the activity of the sperm and select suitable sperm for use. The threaded screw 204 is driven to rotate by the rotation of the first drive motor 205, so as to drive the adjustment fixing seat 203 of the guide rod 202 to adjust the horizontal height, so as to facilitate the observation table 206 to be close to the camera 208 for filming and screening.

[0036] The mobile sliding mechanism 3 includes a mobile base 301 fixedly connected to one end of the top of the fixed frame 1, one end of the mobile base 301 is fixedly connected to a second drive motor 302, the transmission end of the second drive motor 302 is fixedly connected to a first screw rod 303, the outer side of the first screw rod 303 is threadedly connected to a sliding seat 304, the top two sides of the mobile base 301 are fixedly connected to slide rails 305, the bottom end of the sliding seat 304 is slidably connected to the slide rails 305, the top of the sliding seat 304 is fixedly connected to a first electric telescopic rod 306, and the telescopic end of the first electric telescopic rod 306 is fixedly connected to a support plate 307.

[0037] During specific use, when observing sperm, it is necessary to move the sperm observation plate to one side of the observation table 206. First, the first screw rod 303 is driven to rotate by the rotation of the second drive motor 302. The rotation of the first screw rod 303 facilitates the movement of the sliding seat 304 on the slide rail 305, so that the sliding seat 304 drives the sample placement mechanism 4 to move close to the observation table 206. At the same time, the horizontal height is adjusted by the telescopic adjustment support plate 307 of the first electric telescopic rod 306, so that the sperm that needs to be observed can be lifted and adjusted, thereby facilitating observation and use.

[0038] The sample placement mechanism 4 includes a device fixing frame 401 fixedly connected to the top of the support plate 307, two second electric telescopic rods 402 fixedly connected to the top of the device fixing frame 401, the telescopic ends of the second electric telescopic rods 402 are fixedly connected to a locking shell 403, one side of the locking shell 403 is fixedly connected to a third electric telescopic rod, the inner side of the locking shell 403 is inserted and locked with a sample plate 404, a plurality of grooves 405 are opened on the top of the sample plate 404, a liquid storage cylinder 406 is fixedly connected to the top of one end of the support plate 307, a small delivery pump 407 is provided on the top of the liquid storage cylinder 406, the liquid inlet of the small delivery pump 407 is fixedly connected to a delivery pipe, and the delivery pipe is placed inside the liquid storage cylinder 406, and the liquid outlet of the small delivery pump 407 is connected to the nozzle 408 through the delivery pipe.

[0039] During specific use, the extension and retraction of the two second electric telescopic rods 402 on the device fixing frame 401 facilitates the pushing of the locking shell 403 to increase its horizontal height. At the same time, the extension and retraction of the third electric telescopic rod on one side of the locking shell 403 facilitates the pushing of the locked sample plate 404 inside the locking shell 403 to drop onto the observation table 206. Before observing the sperm, it is necessary to spray the sperm inside the groove 405 on the sample plate 404 with the detection liquid, so as to ensure that the precision screening observation data is more accurate. The detection liquid inside the liquid storage cylinder 406 is extracted by the small delivery pump 407 and delivered to the nozzle 408, and the sample plate 404 is sprayed by the nozzle.

[0040] The screening mechanism 5 includes a connection plate 501 fixedly connected to one side of the device fixing frame 401, a mounting fixing connection frame 502 fixedly connected to one side of the connection plate 501, a small motor 503 fixedly connected to one side of the bottom end of the mounting fixing connection frame 502, a driving gear 504 fixedly connected to the transmission end of the small motor 503, a driven gear 505 meshingly connected to one side of the driving gear 504, a rotating shaft 506 fixedly connected to the middle of the driven gear 505, a limiting frame 507 interspersed in the middle of the rotating shaft 506, a plurality of limiting grooves 508 are provided on the top of the limiting frame 507, a fourth electric telescopic rod 509 fixedly connected to the bottom end of the limiting frame 507, and the bottom end of the fourth electric telescopic rod 509 is fixedly connected to the top of the mounting fixing connection frame 502;

[0041] A servo motor 5010 is arranged at one side of the bottom end of the fixed connection frame 502, a small gear 5011 is fixedly connected to the transmission end of the servo motor 5010, a gear bar 5012 is meshedly connected to the top of the small gear 5011, one end of the gear bar 5012 is connected to a liquid outlet box 5013, and one side of the liquid outlet box 5013 is connected through a solenoid valve 5014;

[0042] The top end of the rotating shaft 506 is fixedly connected to a circular frame 5015, the bottom end of the circular frame 5015 is fixedly connected to a plurality of small electric telescopic rods 5016, the bottom end of the small electric telescopic rods 5016 is fixedly connected to a piston push rod 5017, the outer side of the piston push rod 5017 is sleeved with a semen discharge pipe 5018, and one side of the semen discharge pipe 5018 is fixedly connected to the outer side of the rotating shaft 506 through a circular connecting frame.

[0043] In specific use, when screening sperm, in order to facilitate sperm observation, it is necessary to screen the sperm, and the installation of the fixed connection frame 502 on the connection plate 501 is set to facilitate the rotation of the small motor 503, and the rotation of the small motor 503 drives the driving gear 504 to rotate, and the rotation of the driving gear 504 facilitates the meshing and driving the driven gear 505 to rotate, and at the same time, the rotation of the driven gear 505 drives the rotating shaft 506 to rotate, which facilitates the rotation adjustment of the circular frame 5015 on the top of the rotating shaft 506, so that the circular frame 5015 is rotated and adjusted to facilitate the driven semen discharge tube 501. 8 is rotated to screen and exclude sperms one by one evenly. The limit frame 507 and the limit groove 508 on the rotating shaft 506 are pushed and sleeved with the semen discharge tube 5018 by the extension of the fourth electric telescopic rod 509, so as to facilitate the fixation of the semen discharge tube 5018 and facilitate the screening and control of exclusion. The rotation of the servo motor 5010 drives the small gear 5011 to rotate, so that the rotation of the small gear 5011 facilitates the gear bar 5012 to be telescopically adjusted, so as to facilitate the adjustment of the liquid outlet box 5013, so as to ensure that the liquid outlet box 5013 can cast the semen into the sample plate 404 for observation and use.

[0044] A switch panel is fixedly connected to one side of the fixed frame 1 , and a protective layer is fixedly connected to the surface of the switch panel.

[0045] The surface of the switch panel is provided with a first drive motor control switch, a second drive motor control switch, a first electric telescopic rod control switch, a second electric telescopic rod control switch, a small delivery pump control switch, a small motor control switch, a fourth electric telescopic rod control switch, a servo motor control switch and a small electric telescopic rod control switch. The first drive motor 205, the second drive motor 302, the first electric telescopic rod 306, the second electric telescopic rod 402, the small delivery pump 407, the small motor 503, the fourth electric telescopic rod 509, the servo motor 5010 and the small electric telescopic rod 5016 are electrically connected to the external power supply through the first drive motor control switch, the second drive motor control switch, the first electric telescopic rod control switch, the second electric telescopic rod control switch, the small delivery pump control switch, the small motor control switch, the fourth electric telescopic rod control switch, the servo motor control switch and the small electric telescopic rod control switch respectively.

[0046] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0047] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A sperm screening device for in vitro fertilization that is easy to observe, comprising a fixed frame (1), characterized in that: A protective shell (101) is fixedly connected to the top side of the fixed frame (1), and a lifting observation mechanism (2) is installed on the top of the fixed frame (1); Two symmetrical movable sliding mechanisms (3) are fixedly mounted on the top of the fixed frame (1), and a sample placement mechanism (4) is mounted on the top of the movable sliding mechanism (3); A screening mechanism (5) is provided on one side of the sample placement mechanism (4).

2. The in vitro fertilization sperm screening device that is easy to observe according to claim 1 is characterized in that: The lifting observation mechanism (2) comprises a fixed support seat (201) fixedly connected to both sides of the top of the fixed frame (1); two guide rods (202) are fixedly connected to the top of the fixed support seat (201); an adjustment fixed seat (203) is inserted and connected to the outer side of the guide rod (202); a threaded screw (204) is threadedly connected to the middle of the adjustment fixed seat (203); the bottom end of the threaded screw (204) is fixedly connected to the transmission end of a first drive motor (205) arranged at the bottom end of the fixed support seat (201); an observation platform (206) is fixedly connected to one side of the adjustment fixed seat (203); a fixed bracket (207) is fixedly connected to one side of the fixed frame (1); and a camera (208) is fixedly connected to the top of the fixed bracket (207).

3. The in vitro fertilization sperm screening device that is easy to observe according to claim 2 is characterized in that: The movable sliding mechanism (3) comprises a movable base (301) fixedly connected to one end of the top of the fixed frame (1); one end of the movable base (301) is fixedly connected to a second drive motor (302); a transmission end of the second drive motor (302) is fixedly connected to a first screw rod (303); the outer side of the first screw rod (303) is threadedly connected to a sliding seat (304); both sides of the top of the movable base (301) are fixedly connected to slide rails (305); the bottom end of the sliding seat (304) is slidably connected to the slide rails (305); the top of the sliding seat (304) is fixedly connected to a first electric telescopic rod (306); and the telescopic end of the first electric telescopic rod (306) is fixedly connected to a support plate (307).

4. The IVF sperm screening device that is easy to observe according to claim 3, characterized in that: The sample placement mechanism (4) comprises a device fixing frame (401) fixedly connected to the top of the support plate (307), two second electric telescopic rods (402) fixedly connected to the top of the device fixing frame (401), a snap-fit ​​shell (403) fixedly connected to the telescopic end of the second electric telescopic rod (402), a third electric telescopic rod fixedly connected to one side of the snap-fit ​​shell (403), and a sample plate (403) inserted and snap-fitted into the inner side of the snap-fit ​​shell (403). 4), a plurality of slots (405) are provided on the top of the sample plate (404), a liquid storage cylinder (406) is fixedly connected to the top of one end of the support plate (307), a small delivery pump (407) is provided on the top of the liquid storage cylinder (406), a delivery pipe is fixedly connected to the liquid inlet of the small delivery pump (407), and the delivery pipe is placed inside the liquid storage cylinder (406), and the liquid outlet of the small delivery pump (407) is connected to the nozzle (408) through the delivery pipe.

5. The in vitro fertilization sperm screening device that is easy to observe according to claim 4, characterized in that: The screening mechanism (5) comprises a connecting plate (501) fixedly connected to one side of the device fixing frame (401); a mounting fixing connecting frame (502) fixedly connected to one side of the connecting plate (501); a small motor (503) fixedly connected to one side of the bottom end of the mounting fixing connecting frame (502); a driving gear (504) fixedly connected to the transmission end of the small motor (503); a driven gear (505) meshingly connected to one side of the driving gear (504); a rotating shaft (506) fixedly connected to the middle of the driven gear (505); a limiting frame (507) inserted through the middle of the rotating shaft (506); a plurality of limiting grooves (508) arranged on the top of the limiting frame (507); a fourth electric telescopic rod (509) fixedly connected to the bottom end of the limiting frame (507); and a bottom end of the fourth electric telescopic rod (509) fixedly connected to the top of the mounting fixing connecting frame (502).

6. The IVF sperm screening device that is easy to observe according to claim 5, characterized in that: A servo motor (5010) is disposed on one side of the bottom end of the mounting and fixing connecting frame (502); a small gear (5011) is fixedly connected to the transmission end of the servo motor (5010); a gear bar (5012) is meshedly connected to the top of the small gear (5011); one end of the gear bar (5012) is connected to a liquid outlet box (5013); and a solenoid valve (5014) is connected through one side of the liquid outlet box (5013); The top end of the rotating shaft (506) is fixedly connected to a circular frame (5015), the bottom end of the circular frame (5015) is fixedly connected to a plurality of small electric telescopic rods (5016), the bottom end of the small electric telescopic rods (5016) is fixedly connected to a piston push rod (5017), the outer side of the piston push rod (5017) is sleeved with a semen discharge pipe (5018), and one side of the semen discharge pipe (5018) is fixedly connected to the outer side of the rotating shaft (506) through a circular connecting frame.

7. The in vitro fertilization sperm screening device that is easy to observe according to claim 6, characterized in that: A switch panel is fixedly connected to one side of the fixed frame (1), and a protective layer is fixedly connected to the surface of the switch panel.

8. The in vitro fertilization sperm screening device that is easy to observe according to claim 7, characterized in that: The switch panel is provided with a first drive motor control switch, a second drive motor control switch, a first electric telescopic rod control switch, a second electric telescopic rod control switch, a small delivery pump control switch, a small motor control switch, a fourth electric telescopic rod control switch, a servo motor control switch and a small electric telescopic rod control switch on the surface; the first drive motor (205), the second drive motor (302), the first electric telescopic rod (306), the second electric telescopic rod (402), the small delivery pump (407), the small motor (503), the fourth electric telescopic rod (509), the servo motor (5010) and the small electric telescopic rod (5016) are electrically connected to an external power supply through the first drive motor control switch, the second drive motor control switch, the first electric telescopic rod control switch, the second electric telescopic rod control switch, the small delivery pump control switch, the small motor control switch, the fourth electric telescopic rod control switch, the servo motor control switch and the small electric telescopic rod control switch, respectively.

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