CN214632335U - Multi-layer folding vehicle-mounted surgical instrument table device - Google Patents

Abstract

The utility model discloses a multilayer folding on-vehicle surgical instruments platform device relates to on-vehicle medical instrument equipment technical field, including installation base, coupling mechanism, fixed establishment, kayser mechanism, the outer wall one end of installation base is provided with folding platform No. one, the one end that installation base was kept away from to folding platform is close to bottom position department and is connected with folding platform No. two. The utility model discloses a set up the button pole, the slider, connect the fixture block, reset spring, press the hole, spout and spread groove can realize the quick folding of a plurality of folding platforms fixed, can realize the interconnect between the folding platform through connecting fixture block and the inside draw-in groove interconnect of spread groove, promote the slider through the button pole and remove and to drive and connect fixture block and draw-in groove separation, can make the separation each other of a plurality of folding platforms, can be convenient for the apparatus platform device to fold through mutually supporting of above a plurality of parts and open, also can make the accepting state of apparatus platform device remain stable simultaneously.

Description

Multi-layer folding vehicle-mounted surgical instrument table device

Technical Field

The utility model relates to an on-vehicle medical instrument equipment field specifically is a folding on-vehicle surgical instruments platform device of multilayer.

Background

In the course of rescuing patients by a medical care vehicle, sometimes the patients need to be operated on the vehicle due to the illness condition of the patients, and when the operation is carried out, medical instruments are required to be placed on an instrument table so as to be taken by the medical care personnel for use.

The instrument platform that has now generally all is bulky is not convenient for accomodate greatly, and medical car inner space is less, and current instrument platform can occupy a large amount of spaces when placing inside the medical car, very big usable floor space that has reduced the medical car, also can influence other medical instrument simultaneously and place.

Therefore, the invention discloses a multi-layer folding vehicle-mounted surgical instrument table device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the instrument table occupies a large space and is not convenient to store, the vehicle-mounted surgical instrument table device with multiple layers of folding is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multilayer folding on-vehicle surgical instruments platform device, includes installation base, coupling mechanism, fixed establishment, kayser mechanism, the outer wall one end of installation base is provided with folding station No. one, the one end that installation base was kept away from to folding station No. one is close to bottom position department and is connected with folding station No. two, the one end that folding station No. two kept away from folding station No. one is connected with folding station No. three, the one end that folding station No. two kept away from folding station No. three is connected with folding station No. four, outer wall one end and the one end that folding station No. two, folding station No. three, folding station No. four that folding station No. one was kept away from the installation base all are provided with the apparatus standing groove, folding station one side is close to top position department, folding station No. two one side is close to one end of folding station No. one and folding station one side is close to one end of folding station No. two all is provided with and presses the hole groove, folding station No. one is folded station a, A sliding groove is formed in one side, located in the pressing hole groove, of each of the second folding table and the third folding table, a connecting mechanism is located in the sliding groove, a connecting groove is formed in one end, close to the third folding table, of the top end of the second folding table, a position, close to the fourth folding table, of the bottom end of the third folding table, and one end, far away from the third folding table, of the top end of the fourth folding table, a connecting groove is formed in one side, close to one end of the third folding table, of the outer wall of the second folding table, a fixing hole is formed in one side, close to one end of the third folding table, of the inner side of the third folding table, a connecting hole, a first telescopic hole and a second telescopic hole are formed in one end, located away from the connecting hole, of the second telescopic hole, a locking mechanism is located in the first telescopic hole, a first sliding hole groove, a limiting telescopic groove and a second sliding hole groove are formed in one side, located in the fourth folding table, spacing flexible groove is located sliding hole groove one end, No. two sliding hole grooves are located the one end that sliding hole groove was kept away from in spacing flexible groove, fixed establishment is located spacing flexible inslot portion.

Preferably, coupling mechanism includes button bar, slider, connection fixture block and reset spring, slider, reset spring are located inside the spout, reset spring is located slider one side, the button bar is located the push down hole inslot portion, one side of button bar is run through to the inside one side fixed connection who keeps away from reset spring with the slider of spout, the opposite side of button bar runs through to the outside in push down hole groove, connect the top to the spout outside of fixture block and the outer wall one end fixed connection who runs through the spout.

Preferably, fixed establishment includes slide bar, spacing cylinder, slip extrusion post and spacing spring, spacing cylinder, spacing spring are located spacing flexible inslot portion, the slide bar is located sliding hole inslot portion and runs through to spacing flexible inslot portion and be connected with spacing cylinder, spacing spring is located spacing cylinder one end and cup joints each other with the outer wall of slide bar, the slip extrusion post is located sliding hole inslot portion No. two and runs through to spacing flexible inslot portion and the one end that spacing spring was kept away from to spacing cylinder is connected, the slide bar is kept away from spacing cylindrical one end and is run through sliding hole groove to the one end outside of folding table No. four, the slip extrusion post is kept away from spacing cylinder one end and is run through the other end outside of sliding hole groove No. two to folding table No. four.

Preferably, kayser mechanism includes flexible post, fixed connection post and compression spring, flexible post, fixed connection post, compression spring are located telescopic hole inside one number, fixed connection post, compression spring are located flexible post one end, compression spring cup joints each other with fixed connection post's outer wall, the fixed connection post is kept away from the one end of flexible post and is run through to telescopic hole inside No. two.

Preferably, the inner wall width of spread groove and the outer wall width phase-match of connecting the fixture block, the inside of spread groove be provided with connect fixture block assorted draw-in groove, the inner wall length phase-match of spread groove and the inner wall length phase-match of spout.

Preferably, the center lines of the fixed hole, the connecting hole and the second sliding hole groove are located on the same horizontal axis, the outer wall of the sliding extrusion column is matched with the inner wall of the connecting hole, and the outer wall of the fixed connecting column is matched with the inner wall of the fixed hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up button bar, the slider, connect the fixture block, reset spring, press the hole, spout and spread groove can realize the quick folding of a plurality of folding tables and fix, can realize the interconnect between the folding table through connecting the fixture block and the inside draw-in groove interconnect of spread groove, promote the slider through the button bar and remove and can drive and connect the fixture block and the draw-in groove separation, can make the separation between each other of a plurality of folding tables, then can carry out the opening of apparatus platform device, can be convenient for the apparatus platform device to fold and open through the mutual cooperation of above-mentioned a plurality of parts, also can make the state of accomodating of apparatus platform device keep stable simultaneously;

2. the utility model discloses a set up folding No. one, No. two folding platforms, the fixed orifices, No. three folding platforms, the connecting hole, telescopic hole No. one, telescopic hole No. two, No. four folding platforms, a sliding hole groove, spacing telescopic groove, No. two sliding hole grooves, the slide bar, spacing cylinder, the extrusion post slides, spacing spring, flexible post, fixed connection post and compression spring can make the apparatus platform device keep the stable state when the open mode, can fix No. four folding platforms and No. three folding platforms through being connected of extrusion post and connecting hole, can fix No. three folding platforms and No. two folding platforms through being connected of fixed connection post and fixed orifices, can avoid the apparatus platform device to take place not hard up phenomenon in the use through mutually supporting of above a plurality of parts.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the instrument table according to the present invention in an open state;

FIG. 3 is an exploded view of the structure of the present invention;

fig. 4 is a sectional exploded view of the first folding table of the present invention;

fig. 5 is a sectional exploded view of the second folding table of the present invention;

fig. 6 is a sectional exploded view of the third folding table of the present invention;

fig. 7 is a sectional exploded view of the fourth folding table of the present invention.

In the figure: 1. installing a base; 2. a first folding table; 3. a second folding table; 301. a fixing hole; 4. a third folding table; 401. connecting holes; 402. a first telescopic hole; 403. a second telescopic hole; 5. a fourth folding table; 501. a first sliding hole groove; 502. a limit telescopic groove; 503. a second sliding hole groove; 6. a connecting mechanism; 601. a button lever; 602. a slider; 603. connecting a clamping block; 604. a return spring; 7. a fixing mechanism; 701. a slide bar; 702. a limiting cylinder; 703. sliding the extrusion column; 704. a limiting spring; 8. connecting grooves; 9. an instrument placement slot; 10. pressing the hole groove; 11. a chute; 12. a latch mechanism; 1201. a telescopic column; 1202. fixing a connecting column; 1203. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-7, a multi-layer folding vehicle-mounted surgical instrument table device comprises a mounting base 1, a connecting mechanism 6, a fixing mechanism 7 and a locking mechanism 12, wherein one end of the outer wall of the mounting base 1 is provided with a first folding table 2, one end of the first folding table 2, which is far away from the mounting base 1, is connected with a second folding table 3 at a position close to the bottom end, one end of the second folding table 3, which is far away from the first folding table 2, is connected with a third folding table 4, one end of the third folding table 4, which is far away from the second folding table 3, is connected with a fourth folding table 5, one end of the first folding table 2, which is far away from the mounting base 1, and the top ends of the second folding table 3, the third folding table 4 and the fourth folding table 5 are provided with instrument placing grooves 9, one end of the first folding table 2, one side of the second folding table 3, which is close to the first folding table 2, and one end of the third folding table 4, which is close to the second folding table 3 are provided with pressing hole grooves 10, the folding table 2, the folding table 3, one side of the folding table 4 inside the pressing hole groove 10 is provided with a sliding groove 11, the connecting mechanism 6 is located inside the sliding groove 11, the top end of the folding table 3 is close to one end position of the folding table 4, the bottom end of the folding table 4 is close to the position of the folding table 5 and one end of the folding table 5 top end away from the folding table 4 are provided with a connecting groove 8, one side of the outer wall of the folding table 3, which is close to one end of the folding table 4, is provided with a fixing hole 301, one side of the folding table 4 inside is provided with a connecting hole 401, a first telescopic hole 402 and a second telescopic hole 403, the first telescopic hole 402 is located at one end of the connecting hole 401, the second telescopic hole 403 is located at one end of the telescopic hole 402, the locking mechanism 12 is located inside the first telescopic hole 402, one side of the folding table 5 inside is provided with a sliding hole groove 501, a sliding groove 11, a sliding groove and a sliding groove, a sliding groove and a sliding groove are formed in the other side of the connecting groove, and a sliding groove are formed in the other side of the connecting groove, and a sliding groove is formed in the connecting groove, the connecting groove is formed in the connecting groove, the side of the connecting groove is formed in the side of the side, Spacing flexible groove 502, No. two sliding hole grooves 503, spacing flexible groove 502 is located sliding hole groove 501 one end, and No. two sliding hole grooves 503 are located the one end that sliding hole groove 501 was kept away from to spacing flexible groove 502, and fixed establishment 7 is located inside spacing flexible groove 502.

Referring to fig. 3-7, the connecting mechanism 6 includes a button rod 601, a slider 602, a connecting latch 603 and a return spring 604, the slider 602 and the return spring 604 are located inside the sliding slot 11, the return spring 604 is located on one side of the slider 602, the button rod 601 is located inside the pressing hole slot 10, one side of the button rod 601 penetrates through the inside of the sliding slot 11 and is fixedly connected with one side of the slider 602 away from the return spring 604, the other side of the button rod 601 penetrates through the outside of the pressing hole slot 10, the connecting latch 603 is fixedly connected with one end of the outer wall of the slider 602 and penetrates through the top end of the sliding slot 11 to the outside of the sliding slot 11, and the first folding table 2 and the second folding table 3, the second folding table 3 and the third folding table 4, and the third folding table 4 and the fourth folding table 5 can be fixedly connected through the connecting mechanism 6, so that the instrument table device is convenient to fold and store.

Please refer to fig. 7, the fixing mechanism 7 includes a sliding rod 701, a position-limiting cylinder 702, a sliding extrusion column 703 and a position-limiting spring 704, the position-limiting cylinder 702 and the position-limiting spring 704 are located inside the position-limiting expansion slot 502, the sliding rod 701 is located inside the first sliding hole slot 501 and penetrates into the position-limiting expansion slot 502 to connect with the position-limiting cylinder 702, the position-limiting spring 704 is located at one end of the position-limiting cylinder 702 and is sleeved with the outer wall of the sliding rod 701, the sliding extrusion column 703 is located inside the second sliding hole slot 503 and penetrates into the position-limiting expansion slot 502 to connect with one end of the position-limiting cylinder 702 far from the position-limiting spring 704, one end of the sliding rod 701 far from the position-limiting cylinder 702 penetrates through the first sliding hole slot 501 to the outside of one end of the fourth folding table 5, one end of the sliding extrusion column far from the position-limiting cylinder 702 penetrates through the second sliding hole slot 503 to the outside of the other end of the fourth folding table 5, the instrument table device can fix the third folding table 4 and the fourth folding table 5 through the fixing mechanism 703 when the device is in the open state, the phenomenon that the third folding table 4 and the fourth folding table 5 are loosened in the using process is avoided.

Please refer to fig. 6 heavily, the locking mechanism 12 includes a telescopic column 1201, a fixed connection column 1202 and a compression spring 1203, the telescopic column 1201, the fixed connection column 1202 and the compression spring 1203 are located inside the first telescopic hole 402, the fixed connection column 1202 and the compression spring 1203 are located at one end of the telescopic column 1201, the compression spring 1203 is sleeved with the outer wall of the fixed connection column 1202, one end of the fixed connection column 1202 far away from the telescopic column 1201 penetrates through the inside of the second telescopic hole 403, the instrument table device can fix the second folding table 3 and the third folding table 4 through the locking mechanism 12 when in an open state, and the loosening phenomenon between the third folding table 4 and the second folding table 3 is avoided in a using process.

Please refer to fig. 6, the width of the inner wall of the connecting groove 8 matches the width of the outer wall of the connecting block 603, a locking groove matching the connecting block 603 is disposed inside the connecting groove 8, the length of the inner wall of the connecting groove 8 matches the length of the inner wall of the sliding groove 11, and the connecting block 603 is connected to the locking groove in the connecting groove 8 to realize the connection between the connecting mechanism 6 and the connecting groove 8.

Referring to fig. 5-7, the center lines of the fixing hole 301, the connecting hole 401 and the second sliding hole 503 are located on the same horizontal axis, the outer wall of the sliding extrusion column 703 is matched with the inner wall of the connecting hole 401, and the outer wall of the fixing connection column 1202 is matched with the inner wall of the fixing hole 301.

The working principle is as follows: when the multi-layer folding vehicle-mounted surgical instrument table device is used, the surgical instrument table device can be arranged on the wall in a medical vehicle through the mounting base 1, the surgical instrument table device has two states in the using process, one state is a storage state, the other state is an opening state, the mounting base 1, the first folding table 2, the second folding table 3, the third folding table 4 and the fourth folding table 5 are in a vertical parallel state in the storage state, the first folding table 2 and the second folding table 3, the second folding table 3 and the third folding table 4 and the fourth folding table 5 are mutually connected through the connecting mechanism 6 and the connecting groove 8, the surgical instrument table device can be adjusted to be in the opening state when the surgical instrument table device is required to be used, instrument placing grooves 9 arranged on the end faces of a plurality of the folding tables in the opening state can facilitate the placement of medical instruments, structures for fixing the medical instruments can be arranged at the bottom end inside the placing grooves 9, the medical instrument can be prevented from falling off when encountering uneven road sections, the first folding table 2 is kept in a vertical state, the second folding table 3, the third folding table 4 and the fourth folding table 5 are connected end to be in a horizontal state and are in a vertical state with the first folding table 2, when the instrument table device is opened, the button rod 601 is pushed by pressing the button rod 601 to push the slide block 602 to move along the inner wall of the chute, the slide block 602 can drive the connecting fixture block 603 to move and extrude the return spring 604, the connecting fixture block 603 can be separated from the clamping groove in the connecting groove 8 during moving, the folding tables in the instrument table device can be opened at the moment, the second folding table 3, the third folding table 4 and the fourth folding table 5 can be gradually opened through the operation, and the sliding extrusion column 703 in the fixing mechanism 7 can be inserted into the connecting hole 401 on the third folding table 4 when all the folding tables are in an opened state, the telescopic column 1201 extends into the first telescopic hole 402 to extrude the telescopic column 1201, the telescopic column 1201 is extruded and then moves towards the second folding table 3 along the inner wall of the first telescopic hole 402, the telescopic column 1201 pushes the fixed connecting column 1202 to extend out of the second telescopic hole 403 and enter the fixed hole 301 on the second folding table 3, at the moment, the compression spring 1203 is in a compression state, the third folding table 4 and the second folding table 3 can be kept fixed through the connection of the fixed connecting column 1202 and the fixed hole 301, the fourth folding table 5 and the third folding table 4 can be kept fixed through the connection of the sliding extrusion column 703 and the connecting hole 401, the instrument table device can be prevented from loosening in an opening state, the instrument table device needs to be folded into a containing state after use, the sliding rod 701 is pulled to drive the limiting cylinder 702 and the sliding extrusion column 703 to move, and the sliding extrusion column 703 is separated from the connecting hole 401, at this moment, the telescopic column 1201, the fixed connection column 1202 can reset automatically under the action of the compression spring 1203, the fixed connection column 1202 is separated from the fixed hole 301, at this moment, No. two folding tables 3, No. three folding tables 4, folding operation can be carried out between No. four folding tables 5, at No. one folding table 2, No. two folding tables 3, No. three folding tables 4, when No. four folding tables 5 are close to each other for contact, the connection fixture block 603 can be extruded to move, the connection fixture block 603 can enter the connecting groove 8 and reset automatically under the automatic action of the reset spring 604 when the connection fixture block 603 is contacted with the connecting groove 8, the connection fixture block 603 can be connected with the clamping groove inside the connecting groove 8 after resetting is completed, namely, the connection between the connection mechanism 6 and the connecting groove 8 is completed, at this moment, the mutual fixation between a plurality of folding tables is carried out, at this moment, the storage operation of the instrument table device is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a multilayer folding on-vehicle surgical instruments platform device, includes installation base (1), coupling mechanism (6), fixed establishment (7), kayser mechanism (12), its characterized in that: a first folding table (2) is arranged at one end of the outer wall of the mounting base (1), a second folding table (3) is connected at a position, close to the bottom end, of one end, far away from the mounting base (1), of the first folding table (2), a third folding table (4) is connected at one end, far away from the second folding table (3), of the second folding table (3), a fourth folding table (5) is connected at one end, far away from the second folding table (4), of the third folding table (2), instrument containing grooves (9) are formed in the top ends of the first folding table (2), the second folding table (3), the third folding table (4) and the fourth folding table (5), pressing hole grooves (10) are formed in one side of the first folding table (2), the one end, close to the first folding table (2), of one side of the second folding table (3) and the one end, close to the second folding table (3), one side of the interior of the first folding table (2), the second folding table (3) and the third folding table (4) which is positioned in the pressing hole groove (10) is provided with a sliding groove (11), the connecting mechanism (6) is positioned in the sliding groove (11), one end position of the top end of the second folding table (3) which is close to the third folding table (4), one end position of the bottom end of the third folding table (4) which is close to the fourth folding table (5) and one end of the top end of the fourth folding table (5) which is far away from the third folding table (4) are provided with a connecting groove (8), one side of the outer wall of the second folding table (3) which is close to one end of the third folding table (4) is provided with a fixing hole (301), one side of the interior of the third folding table (4) is provided with a connecting hole (401), one side of the first telescopic hole (402) and the second telescopic hole (403), and the first telescopic hole (402) is positioned at one end of the connecting hole (401), no. two telescopic hole (403) are located telescopic hole (402) and keep away from the one end of connecting hole (401), kayser mechanism (12) are located telescopic hole (402) inside, inside one side of No. four folding table (5) is provided with sliding hole groove (501), spacing flexible groove (502), No. two sliding hole grooves (503), spacing flexible groove (502) are located sliding hole groove (501) one end, No. two sliding hole grooves (503) are located spacing flexible groove (502) and keep away from the one end of a sliding hole groove (501), fixed establishment (7) are located spacing flexible groove (502) inside.

2. The multi-layer folded vehicle-mounted surgical instrument table apparatus of claim 1, wherein: coupling mechanism (6) are including button pole (601), slider (602), connection fixture block (603) and reset spring (604), slider (602), reset spring (604) are located spout (11) inside, reset spring (604) are located slider (602) one side, button pole (601) are located press down hole groove (10) inside, one side of button pole (601) is run through to spout (11) inside and one side fixed connection that reset spring (604) was kept away from with slider (602), the opposite side of button pole (601) is run through to the outside of pressing hole groove (10), connect the top to spout (11) outside of fixture block (603) and the outer wall one end fixed connection of slider (602) and run through spout (11).

3. The multi-layer folded vehicle-mounted surgical instrument table apparatus of claim 1, wherein: the fixing mechanism (7) comprises a sliding rod (701), a limiting cylinder (702), a sliding extrusion column (703) and a limiting spring (704), the limiting cylinder (702) and the limiting spring (704) are positioned inside a limiting telescopic groove (502), the sliding rod (701) is positioned inside a first sliding hole groove (501) and penetrates into the limiting telescopic groove (502) to be connected with the limiting cylinder (702), the limiting spring (704) is positioned at one end of the limiting cylinder (702) and is mutually sleeved with the outer wall of the sliding rod (701), the sliding extrusion column (703) is positioned inside a second sliding hole groove (503) and penetrates into the limiting telescopic groove (502) to be connected with one end, away from the limiting spring (704), of the limiting cylinder (702) of the sliding rod (701), the end, away from the limiting cylinder (702), penetrates through the first sliding hole groove (501) to the outside of one end, away from the fourth folding table (5), one end of the sliding extrusion column (703), which is far away from the limiting cylinder (702), penetrates through the second sliding hole groove (503) to the outside of the other end of the fourth folding table (5).

4. The multi-layer folded vehicle-mounted surgical instrument table apparatus of claim 1, wherein: the locking mechanism (12) comprises a telescopic column (1201), a fixed connecting column (1202) and a compression spring (1203), the telescopic column (1201), the fixed connecting column (1202) and the compression spring (1203) are located inside a telescopic hole (402), the fixed connecting column (1202) and the compression spring (1203) are located at one end of the telescopic column (1201), the compression spring (1203) is sleeved with the outer wall of the fixed connecting column (1202), and one end, away from the telescopic column (1201), of the fixed connecting column (1202) is penetrated into a telescopic hole (403) II.

5. The multi-layer folded vehicle-mounted surgical instrument table device according to claim 2, wherein: the inner wall width of spread groove (8) and the outer wall width phase-match of connecting fixture block (603), the inside of spread groove (8) is provided with and connects fixture block (603) assorted draw-in groove, the inner wall length of spread groove (8) and the inner wall length phase-match of spout (11).

6. The multi-layer folded vehicle-mounted surgical instrument table apparatus of claim 3, wherein: the center lines of the fixing hole (301), the connecting hole (401) and the second sliding hole groove (503) are located on the same horizontal axis, and the outer wall of the sliding extrusion column (703) is matched with the inner wall of the connecting hole (401).

7. The multi-layer folded vehicle-mounted surgical instrument table apparatus of claim 4, wherein: the outer wall of the fixed connecting column (1202) is matched with the inner wall of the fixed hole (301).

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