阅读说明：本技术 一种兽医治疗动物用便携式手术台 (Animal doctor treatment animal uses portable operating table ) 是由 张伟 刘国清 赵忠明 于 2021-10-12 设计创作，主要内容包括：本发明公开了一种兽医治疗动物用便携式手术台,属于兽医治疗技术领域。一种兽医治疗动物用便携式手术台,包括移动升降架、底板、立板、载板、夹座、保定架、驱动组件及对接组件。本发明通过对现有动物手术台的结构进行改进,在底板上设置与其垂直铰接的立板,通过立板的翻折固定,使得原本仅在底板内的载板,经驱动组件推动,从而向垂直的立板内移动,进而使通过夹座及保定架固定的仔猪由水平位置趋向竖直位置,便于医师从手术槽内对仔猪下肢进行手术。相对现有技术中的兽医手术台,本发明结构设计紧凑合理,功能强大,省时省力,且稳定性高,有利于降低饲养员的劳动强度,提高仔猪阴囊疝手术的效率及安全。(The invention discloses a portable operating table for treating animals by veterinarians, and belongs to the technical field of veterinary treatment. A portable operating table for veterinarian treatment of animals comprises a movable lifting frame, a bottom plate, vertical plates, a support plate, a clamping seat, a retaining frame, a driving assembly and a butt joint assembly. According to the invention, the structure of the existing animal operating table is improved, the vertical plate vertically hinged with the bottom plate is arranged on the bottom plate, and the vertical plate is turned over and fixed, so that the carrier plate originally only in the bottom plate is pushed by the driving assembly and moves into the vertical plate, and the piglet fixed by the clamp seat and the fixing frame tends to a vertical position from a horizontal position, thereby facilitating a doctor to perform an operation on the lower limbs of the piglet from an operation groove. Compared with the veterinary operating table in the prior art, the operating table has the advantages of compact and reasonable structural design, powerful functions, time and labor saving, high stability, contribution to reducing the labor intensity of breeders and improvement on the efficiency and safety of the operation of scrotal hernia of piglets.)

1. The utility model provides a veterinarian treatment animal uses portable operating table, includes mobile crane (1), its characterized in that: the upper end of the movable lifting frame (1) is horizontally and fixedly provided with a bottom plate (2), the right end of the bottom plate (2) is vertically hinged with a vertical plate (3), the lower end of the vertical plate (3) is movably fixed with the right end of the bottom plate (2) through a hasp A, the bottom plate (2) is provided with a horizontal groove (201) communicated with the right end of the bottom plate, the vertical groove (301) is formed in the vertical plate (3), the vertical groove (301) is communicated with the horizontal groove (201) to form a sliding cavity, a support plate (4) is arranged in the sliding cavity, the front side and the rear side of the support plate (4) are symmetrically welded with two rollers (401), the front wall and the rear wall of the horizontal groove (201) are provided with guide grooves A (202) respectively corresponding to the rollers (401), the front wall and the rear wall of the vertical groove (301) are provided with guide grooves B (302) respectively corresponding to the rollers (401), the guide grooves B (302) are communicated with the guide grooves A (202) to form a guide cavity, roller (401) are spacing in leading the intracavity and rather than sliding connection, support plate (4) surface is the rectangle structure and installs four holder (5), is located two holder (5) clearance fit of support plate (4) head end constitute forelimb clamp chamber, is located two holder (5) clearance fit of support plate (4) tail end constitute hind limb clamp chamber, forelimb clamp intracavity is equipped with baoding frame (6), hind limb clamp intracavity is seted up operation groove (7), bottom plate (2) bottom surface is equipped with drive assembly (8), support plate (4) head end is that embedded structure articulates there is lead screw seat (9), lead screw seat (9) and drive assembly (8) bottom surface threaded connection, the position of riser (3) relative lead screw seat (9) is equipped with butt joint subassembly (10) with drive assembly (8) contact.

2. A portable operating table for veterinary treatment of animals according to claim 1, wherein: the base plate (2), the vertical plate (3) and the support plate (4) enclose a preoperative treatment cavity.

3. A portable operating table for veterinary treatment of animals according to claim 1, wherein: the outer edge of the communication part of the guide groove A (202) and the guide groove B (302) is chamfered.

4. A portable operating table for veterinary treatment of animals according to claim 1, wherein: the clamping seat (5) is formed by hinging an upper clamping block (501) and a lower clamping block (502), the upper clamping block (501) and the lower clamping block (502) are movably fixed through a hasp B, grooves are formed in the connection surfaces of the upper clamping block (501) and the lower clamping block (502), air bags (503) are arranged in the two grooves, and the two air bags (503) are enclosed to form a fixed cavity.

5. A portable operating table for veterinary treatment of animals according to claim 4, wherein: the air bag (503) comprises a main body (504), the main body (504) is of a semicircular structure matched with the groove, an air inlet portion (505) integrally formed with the main body (504) is arranged in the middle of the main body (504), the air inlet portion (505) penetrates through the inner wall of the groove to extend to the outside and form a disc-shaped structure, an air nozzle is embedded in the surface of the disc-shaped structure, and end portions of two sides of the main body (504) penetrate out of the groove to form an expansion structure.

6. A portable operating table for veterinary treatment of animals according to claim 1, wherein: the retaining frame (6) is composed of a frame body (601) and two inserting columns (602) symmetrically and fixedly arranged on the bottom surface of the frame body (601), and the inserting columns (602) are in inserting fit with inserting holes uniformly formed in the surface of the carrier plate (4).

7. A portable operating table for veterinary treatment of animals according to claim 4, wherein: the support body (601) comprises a neck limiting part (603) and a back supporting part (604), the groove diameter of the neck limiting part (603) is smaller than that of the back supporting part (604), and the back supporting part (604) is connected with the inner wall curved surface of the neck limiting part (603).

8. A portable operating table for veterinary treatment of animals according to claim 1, wherein: the driving assembly (8) comprises a motor (801) fixedly arranged on the bottom surface of the bottom plate (2), the end part of an output shaft of the motor (801) is coaxially connected with a screw rod (802), the screw rod (802) penetrates through a screw rod seat (9) and is in threaded connection with the screw rod seat, and the terminal of the screw rod (802) extends into the butt joint assembly (10).

9. A portable operating table for veterinary treatment of animals according to claim 8, wherein: the screw rod seat (9) is of a T-shaped structure and is embedded in the head end of the support plate (4) and is rotatably connected with an embedding groove in the head end of the support plate (4) through a rotating shaft, a slot (901) is formed in the outer wall of one side, opposite to the butt joint assembly (10), of the screw rod seat (9), and round angle processing is conducted on the opening of the slot (901).

10. A portable operating table for veterinary treatment of animals according to claim 9, wherein: the butt joint assembly (10) comprises a butt joint block (1001) fixedly arranged on the bottom surface of a vertical plate (3), the butt joint block (1001) is composed of a connecting portion connected with the bottom surface of the vertical plate (3) and an inserting portion inserted into a slot (901), a circular groove is formed in the position, opposite to the terminal of a screw rod (802), of the inserting portion, two arc-shaped clamping blocks (1002) which are in intermittent fit are symmetrically arranged in the circular groove from top to bottom, the two arc-shaped clamping blocks (1002) are elastically connected through springs (1003), an extruding block (1004) is arranged on the arc outer wall of each arc-shaped clamping block (1002), an inclined surface is formed in the outer end of each extruding block (1004), and the inclined surface is in contact with the inner wall of the slot (901).

Technical Field

The invention relates to the technical field of veterinary treatment, in particular to a portable operating table for veterinary treatment of animals.

Background

Inguinal scrotal hernia is a complex disease commonly existing in mammals and is mainly characterized in that abdominal viscera (intestinal canal or omentum) or ascites infiltrate into the inguinal or scrotum to cause local swelling and bulge. Research shows that the inguinal/scrotal hernia occurs as a result of combined action of genetic and environmental factors, and the heritability shows great variation due to different statistical populations, generally ranges from 0.2 to 0.6, is more frequent in pure locked breeding populations and is a typical genetic defect. The disease can cause the long-term inappetence, dyspepsia and slow growth of pigs, influence the usability of the pigs, cause the death of the pigs due to endotoxic shock in severe cases and cause great economic loss for farmers. Inguinal/scrotal hernia in pigs is a complex genetic defect disease controlled by multiple genes, and the incidence of hernia appears to be widely different due to differences in the breed, feeding conditions and sources of the herd and artificial phenotypic selective intervention.

At present, when a veterinarian is used for treating scrotal hernia of a piglet, the piglet is usually grasped by a feeder and then lifted, operation treatment is carried out in the process of hanging upside down and fixing, the general treatment time is 15 minutes, the feeder is completely matched with the veterinarian to complete operation treatment, however, the physical strength of the feeder is undoubtedly tested, and a stable hanging upside down and fixing posture is kept to avoid postoperative infection of the piglet. In view of the above, a portable operating table for veterinary treatment of animals has been proposed.

Disclosure of Invention

1. Technical problem to be solved

The object of the present invention is to provide a portable operating table for veterinary treatment of animals, which solves the problems set out in the background art mentioned above.

2. Technical scheme

A portable operating table for treating animals by veterinarian comprises a movable lifting frame, wherein a bottom plate is horizontally and fixedly arranged at the upper end of the movable lifting frame, a vertical plate is vertically hinged to the right end of the bottom plate, the lower end of the vertical plate is movably fixed with the right end of the bottom plate through a hasp A, a horizontal groove communicated with the right end of the bottom plate is formed in the bottom plate, a vertical groove is formed in the vertical plate and communicated with the horizontal groove to form a sliding cavity, a support plate is arranged in the sliding cavity, two rollers are symmetrically welded on the front side and the rear side of the support plate, a guide groove A is formed in the front wall and the rear wall of the horizontal groove relative to the rollers, a guide groove B is formed in the front wall and the rear wall of the vertical groove relative to the rollers and communicated with the guide groove A to form a guide cavity, the rollers are limited in the guide cavity and are in sliding connection with the guide cavity, four clamping seats are arranged on the surface of the support plate in a rectangular structure, and the two clamping seats at the head end are in clearance fit to form a forelimb clamping cavity, the back limb clamping cavity is formed by the clearance fit of two clamping seats at the tail end of the support plate, a retaining frame is arranged in the front limb clamping cavity, an operation groove is formed in the back limb clamping cavity, a driving assembly is arranged on the bottom surface of the bottom plate, a screw rod seat is hinged to the head end of the support plate in an embedded structure and is in threaded connection with the driving assembly, and a butt joint assembly in contact with the driving assembly is arranged at the position, opposite to the screw rod seat, of the bottom surface of the vertical plate.

Preferably, the base plate, the vertical plate and the support plate enclose a preoperative treatment cavity.

Preferably, the outer edge of the communication part of the guide groove A and the guide groove B is chamfered.

Preferably, the clamping seat is formed by hinging an upper clamping block and a lower clamping block, the upper clamping block and the lower clamping block are movably fixed through a hasp B, grooves are formed in the connecting surfaces of the upper clamping block and the lower clamping block, air bags are arranged in the two grooves, and the two air bags enclose a fixing cavity.

Preferably, the gasbag includes the main part, the main part is the semicircle structure with recess adaptation, just the main part middle part is equipped with rather than integrated into one piece's air inlet portion, air inlet portion passes the recess inner wall and extends to the outside and form the disk structure, the disk structure surface inlays and is equipped with the air cock, main part both sides tip is worn out the recess and is formed the expanded structure.

Preferably, the retaining frame is composed of a frame body and two inserting columns symmetrically and fixedly arranged on the bottom surface of the frame body, and the inserting columns are in inserting fit with inserting holes uniformly formed in the surface of the carrier plate.

Preferably, the support body includes a spacing portion of neck and a back supporting part, the groove footpath of the spacing portion of neck is less than the groove footpath of back supporting part, just back supporting part is connected with the spacing portion inner wall curved surface of neck.

Preferably, the driving assembly comprises a motor fixedly arranged on the bottom surface of the bottom plate, the end part of an output shaft of the motor is coaxially connected with a screw rod, the screw rod penetrates through the screw rod seat and is in threaded connection with the screw rod seat, and the terminal end of the screw rod extends into the butt joint assembly.

Preferably, the screw rod seat is of a T-shaped structure and is embedded in the head end of the support plate and is rotatably connected with the embedding groove in the head end of the support plate through a rotating shaft, a slot is formed in the outer wall of one side, opposite to the butt joint assembly, of the screw rod seat, and the opening of the slot is subjected to fillet treatment.

Preferably, the butt joint assembly comprises a butt joint block fixedly arranged on the bottom surface of the vertical plate, the butt joint block comprises a connecting portion connected with the bottom surface of the vertical plate and an inserting portion inserted into the slot, a circular groove is formed in the position, opposite to the screw rod terminal, of the inserting portion, two arc-shaped clamping blocks which are in intermittent fit are symmetrically arranged in the circular groove from top to bottom, the two arc-shaped clamping blocks are elastically connected through a spring, an extrusion block is arranged on the arc outer wall of each arc-shaped clamping block, an inclined plane is formed in the outer end of each extrusion block, and the inclined plane is in contact with the inner wall of the slot.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the structure of the existing animal operating table is improved, the vertical plate vertically hinged with the bottom plate is arranged on the bottom plate, and the vertical plate is turned over and fixed, so that the carrier plate originally only in the bottom plate is pushed by the driving assembly and moves into the vertical plate, and the piglet fixed by the clamp seat and the fixing frame tends to a vertical position from a horizontal position, thereby facilitating a doctor to perform an operation on the lower limbs of the piglet from an operation groove. Compared with the veterinary operating table in the prior art, the operating table has the advantages of compact and reasonable structural design, powerful functions, time and labor saving, high stability, contribution to reducing the labor intensity of breeders and improvement on the efficiency and safety of the operation of scrotal hernia of piglets.

2. According to the invention, the air bag is arranged in the holder, through the special structural design of the air bag, when a piglet is hung upside down, four limbs are wrapped flexibly and cannot be pulled by the holder, and the air bag can complete the limiting and fixing of the air bag through the structure of the air bag.

3. The fixing frame is convenient for limiting the head of the piglet in a horizontal position, and after the carrier plate is vertically pushed up, the body of the piglet drops downwards under the action of gravity, through the design of the fixing frame, the back neck of the piglet sticks to the neck limiting part, and the upper back of the piglet sticks to the back supporting part, so that a support for the body of the piglet is formed, the pressure of the clamp seat for clamping the piglet is reduced, and the discomfort of hanging the piglet upside down is relieved.

4. The butt joint assembly is arranged on the bottom surface of the vertical plate, when the butt joint blocks are extruded by the screw rod seat, the screw rod terminal is wrapped and clamped by the two arc-shaped clamping blocks, so that the pressure of the screw rod seat on the screw rod terminal under the action of gravity when the support plate is pushed to be in a vertical state is improved, the deformation of the screw rod is avoided, and the durability of the device is improved.

Drawings

FIG. 1 is a schematic top view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention in a storage state;

FIG. 3 is a schematic bottom view of the overall structure of the present invention;

FIG. 4 is a schematic bottom view of a connecting structure of a bottom plate and a vertical plate according to the present invention;

FIG. 5 is an enlarged schematic view of a connection structure of a lead screw and a docking assembly according to the present invention;

FIG. 6 is a schematic diagram of a carrier board and a connecting structure thereof according to the present invention;

FIG. 7 is a schematic cross-sectional view of a retainer according to the present invention;

FIG. 8 is a schematic diagram of the split structure of the holder of the present invention;

FIG. 9 is a schematic view of the docking assembly of the present invention shown disassembled;

the reference numbers in the figures illustrate: 1. moving the lifting frame; 2. a base plate; 201. a horizontal groove; 202. a guide groove A; 3. a vertical plate; 301. a vertical slot; 302. a guide groove B; 4. a carrier plate; 401. a roller; 5. a holder; 501. an upper clamping block; 502. a lower clamping block; 503. an air bag; 504. a main body; 505. an air intake portion; 6. a retainer; 601. a frame body; 602. inserting a column; 603. a neck-limiting part; 604. a back support section; 7. an operation slot; 8. a drive assembly; 801. a motor; 802. a screw rod; 9. a screw base; 901. a slot; 10. a docking assembly; 1001. a butt joint block; 1002. an arc-shaped clamping block; 1003. a spring; 1004. and extruding the block.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-9, the present invention provides a technical solution:

a portable operating table for treating animals by veterinarian comprises a movable lifting frame 1, a bottom plate 2 is horizontally and fixedly arranged at the upper end of the movable lifting frame 1, a vertical plate 3 is vertically hinged at the right end of the bottom plate 2, the lower end of the vertical plate 3 is movably fixed with the right end of the bottom plate 2 through a hasp A, a horizontal groove 201 communicated with the right end of the bottom plate 2 is arranged on the bottom plate 2, a vertical groove 301 is arranged in the vertical plate 3, the vertical groove 301 is communicated with the horizontal groove 201 to form a sliding cavity, a support plate 4 is arranged in the sliding cavity, two rollers 401 are symmetrically welded at the front side and the rear side of the support plate 4, a guide groove A202 is arranged at the front wall and the rear wall of the horizontal groove 201 relative to the rollers 401, a guide groove B302 is arranged at the front wall and the rear wall of the vertical groove 301 relative to the rollers 401, the guide groove B302 is communicated with the guide groove A202 to form a guide cavity, the rollers 401 are limited in the guide cavity and are in sliding connection with the guide cavity, four clamping seats 5 are arranged on the surface of the support plate 4 in a rectangular structure, the front limb clamping cavity is formed by clearance fit with the two clamping seats 5 at the head end of the support plate 4, two clamping seats 5 at the tail end of the support plate 4 are in clearance fit to form a hind limb clamping cavity, a retaining frame 6 is arranged in the forelimb clamping cavity, an operation groove 7 is formed in the hind limb clamping cavity, a driving assembly 8 is arranged on the bottom surface of the bottom plate 2, the head end of the support plate 4 is hinged with a screw rod seat 9 in an embedded structure, the screw rod seat 9 is in threaded connection with the driving assembly 8, and a butt joint assembly 10 in contact with the driving assembly 8 is arranged at the position, opposite to the screw rod seat 9, of the bottom surface of the vertical plate 3. According to the invention, the structure of the existing animal operating table is improved, the vertical plate 3 vertically hinged with the bottom plate 2 is arranged on the bottom plate 2, and the vertical plate 3 is turned over and fixed, so that the carrier plate 4 originally only in the bottom plate 2 is pushed by the driving assembly 8 to move in the vertical plate 3, and then the piglet fixed by the clamp seat 5 and the retaining frame 6 tends to a vertical position from a horizontal position, and a doctor can conveniently perform an operation on the lower limb of the piglet from the operation groove 7; moreover, because the piglets usually need to be operated at a plurality of angles when being placed, and the piglets can have violent resistance and struggle, the operating table should be provided with as few longitudinal mechanisms as possible when placing the piglets, so as to avoid the injury of personnel or the piglets caused by transverse impact when placing the piglets; by utilizing the guide cavity formed by communicating the guide groove B302 with the guide groove A202, the vertical plate 3 and the carrier plate 4 can be ensured to be erected to a great extent without a longitudinal mechanism, so that the piglet can not be interfered to be placed, and the safety of workers and piglets can be ensured to a great extent. Compared with the veterinary operating table in the prior art, the operating table has the advantages of compact and reasonable structural design, powerful functions, time and labor saving, high stability, contribution to reducing the labor intensity of breeders and improvement on the efficiency and safety of the operation of scrotal hernia of piglets.

Specifically, the base plate 2, the vertical plate 3 and the support plate 4 enclose a preoperative treatment cavity. As shown in fig. 2, the structure of the invention can satisfy the treatment mode of a common veterinary table when being stored, and the invention has wider applicability compared with the prior veterinary operating table.

Furthermore, the outer edge of the connection part between the guide groove A202 and the guide groove B302 is chamfered. The purpose of the present invention of providing the chamfer at the outer edge where the guide groove a202 communicates with the guide groove B302 is to facilitate the sliding of the roller 401 from the horizontal guide groove a202 to the vertical guide groove B302 when the driving assembly 8 pushes the carrier plate 4 to slide in the horizontal groove 201 to the vertical groove 301, so that the carrier plate 4 slides from the horizontal position to the vertical position guided by the roller 401.

Still further, the holder 5 is formed by hinging an upper clamping block 501 and a lower clamping block 502, the upper clamping block 501 and the lower clamping block 502 are movably fixed through a hasp B, a groove is formed in the connecting surface of the upper clamping block 501 and the lower clamping block 502, air bags 503 are arranged in the two grooves, and a fixing cavity is defined by the two air bags 503. As shown in fig. 8, the holder 5 is designed to facilitate the fixation of the limbs of the piglets; in addition, the air bags 503 are arranged in the grooves of the upper clamping block 501 and the lower clamping block 502, and due to the design of the air bags 503, when a piglet is hung up and hung upside down, four limbs are wrapped flexibly and cannot be pulled by the clamping seats 5, so that the inconvenience in operation caused by the conflict of the piglet is avoided.

Further, the airbag 503 includes a main body 504, the main body 504 is a semicircular structure adapted to the groove, and the middle of the main body 504 is provided with an air inlet portion 505 integrally formed therewith, the air inlet portion 505 extends to the outside through the inner wall of the groove and forms a disk-shaped structure, the surface of the disk-shaped structure is embedded with an air nozzle, and the end portions of the two sides of the main body 504 penetrate through the groove to form an expansion structure. As shown in FIG. 8, the air bag 503 of the present invention is limited on the holder 5 by the disc structure of the air inlet 505, and the limitation and fixation of the air bag 503 can be completed by the self structure, compared with the existing bonding or other fixing methods, the air bag 503 of the present invention does not damage or corrode the surface, and the air bag 503 is always attached to the inner wall of the groove under the action of the gas expansion; according to the invention, the two ends of the air bag 503 are expanded outwards continuously and cover the end part of the holder 5, so that the limbs of the piglets can be better protected from being pulled by the holder 5 through the expansion structure even if part of the limbs of the piglets fall down after being hung upside down.

It should be noted that the retaining frame 6 is composed of a frame body 601 and two inserting posts 602 symmetrically fixed on the bottom surface of the frame body 601, and the inserting posts 602 are inserted into and matched with the insertion holes uniformly formed on the surface of the carrier plate 4. According to the invention, the insertion holes are uniformly formed in the surface of the carrier plate 4, the head of the piglet can be conveniently limited by the retaining frame 6 through the plurality of insertion holes according to the body type of the piglet, the position of the clamp seat 5 can be conveniently adjusted, and the piglet scrotal hernia operation can be adapted to animals of different body types or different types.

It should be noted that the frame body 601 includes a neck limiting portion 603 and a back supporting portion 604, the groove diameter of the neck limiting portion 603 is smaller than the groove diameter of the back supporting portion 604, and the back supporting portion 604 is connected with the inner wall of the neck limiting portion 603 by a curved surface. As shown in fig. 7, the retaining frame 6 of the invention not only facilitates the position limitation of the head of the piglet in the horizontal position, but also enables the body of the piglet to fall down under the action of gravity after the carrier plate 4 is vertically pushed up, and the back neck of the piglet is stuck in the neck limiting part 603 and the upper back of the piglet is stuck in the back supporting part 604 through the design of the retaining frame 6, so as to form a support for the body of the piglet, reduce the pressure of the clip holder 5 for clipping the piglet and facilitate the relief of discomfort when the piglet hangs upside down.

In addition, the driving assembly 8 includes a motor 801 fixedly disposed on the bottom surface of the bottom plate 2, a lead screw 802 is coaxially connected to an end of an output shaft of the motor 801, the lead screw 802 penetrates through the lead screw seat 9 and is in threaded connection therewith, and a terminal of the lead screw 802 extends into the docking assembly 10. As shown in FIG. 3, the carrier plate 4 of the present invention is electrically pushed to change from horizontal to vertical, which greatly reduces the labor intensity of the breeder.

In addition, the screw rod seat 9 is embedded in the head end of the carrier plate 4 in a T-shaped structure and is rotatably connected with the embedded groove of the head end of the carrier plate 4 through a rotating shaft, a slot 901 is formed in the outer wall of one side of the screw rod seat 9, which is opposite to the butt joint component 10, and the opening of the slot 901 is subjected to fillet treatment. In the invention, after being driven by an external control mechanism, a motor 801 drives a screw rod 802 to rotate, under the limiting action of a sliding cavity, the screw rod 802 rotates to drive a screw rod seat 9 in threaded connection with the screw rod seat to move along the thread direction, until a support plate 4 is guided by a chamfer angle position, the support plate 4 slides upwards in a vertical groove 301 in a vertical structure, and meanwhile, a slot 901 at the right end of the screw rod seat 9 is spliced with a butt joint component 10 at the bottom surface of a vertical plate 3.

In addition, the butt joint component 10 includes the butt joint block 1001 who sets firmly in riser 3 bottom surface, the butt joint block 1001 comprises the connecting portion of being connected with riser 3 bottom surface and the grafting portion of pegging graft with slot 901, the circular slot has been seted up to the position at the relative lead screw 802 terminal of grafting portion, be the symmetry from top to bottom in the circular slot and be equipped with two intermittent type complex arc clamp blocks 1002, two arc clamp blocks 1002 pass through spring 1003 elastic connection, arc clamp block 1002 circular arc outer wall is equipped with extrusion block 1004, extrusion block 1004 outer end is seted up the inclined plane, the inclined plane contacts with slot 901 inner wall. The invention also provides a butt joint component 10 on the bottom surface of the vertical plate 3, when the vertical plate 3 rotates from the horizontal position to the vertical position, the butt joint component 10 moves in an arc shape along the bottom surface of the vertical plate 3 until the butt joint component 10 is inserted outside the terminal of the screw rod 802, when the screw rod seat 9 moves along the thread direction to be inserted with the butt joint component 10, the butt joint block 1001 is gradually butted with the slot 901, meanwhile, under the extrusion of the inner wall of the slot 901, the inclined surface at the top of the extrusion block 1004 is pressed and moves towards the axis direction, at the moment, the two arc-shaped clamping blocks 1002 are pushed by the extrusion block 1004 and relatively approach, at the moment, the spring 1003 is compressed to store force until the two arc-shaped clamping blocks 1002 wrap and clamp the terminal of the screw rod 802. The purpose of this design is to increase the pressure of the screw seat 9 on the terminal of the screw 802 under the action of gravity when the carrier plate 4 is pushed to the vertical state, thereby avoiding the deformation of the screw 802 and improving the durability of the device.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.