Multipurpose instrument supporting frame with lifting angle adjusting function

Abstract

The utility model relates to the field of instrument supporting equipment, in particular to a multipurpose instrument supporting frame with a lifting angle adjusting function, which comprises a base, a telescopic supporting structure, an overturning supporting structure and a device placing frame, the two ends of the telescopic supporting structure are connected with the base and the overturning supporting structure correspondingly, and the end, away from the telescopic supporting structure, of the overturning supporting structure is connected with the device containing frame. The telescopic supporting structure used for adjusting the overall height is arranged, the horizontal height of instruments placed on the device placing frame can be adjusted conveniently, the overturning supporting structure capable of adjusting the overturning angle is further arranged, the inclination angle of the device placing frame can be adjusted through the overturning supporting structure, and the device placing frame is convenient to adjust. According to the utility model, the use requirements in different places or under different conditions are effectively met, and the whole body is convenient to disassemble or assemble, and can be folded or disassembled to be stored when not in use, so that the space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of instrument support equipment, more particularly to a multi-purpose instrument support frame with lifting and angle adjustment functions. BACKGROUND

[0002] An instrument support frame is generally a shelf or stand used to support and store instruments and equipment. It can be used in gyms, medical facilities, industrial environments, and other places to effectively organize and store various instruments, making them easy to access and use.

[0003] Currently, the fields of beauty and hairdressing, photography, painting and sketching, medical instruments, and traditional Chinese medicine health care all have their own support frames. To improve stability, most of them are made of plastic shells with cement counterweights or cast iron, which have the disadvantages of large size, heavy weight, and difficulty in moving. Moreover, they cannot adjust the radius, angle, and height of the instruments on the support frame according to actual usage and needs, causing inconvenience to users. SUMMARY

[0004] The utility model solves the technical problems of the prior art and provides a multi-purpose instrument support frame with lifting and angle adjustment functions.

[0005] The utility model discloses a multi-purpose instrument support frame with lifting and angle adjustment functions, which adopts the following technical scheme:

[0006] A multi-purpose instrument support frame with lifting and angle adjustment functions includes a base, an extension support structure, a flip support structure, and an instrument rack. The two ends of the extension support structure are connected to the base and the flip support structure, respectively. The end of the flip support structure away from the extension support structure is connected to the instrument rack.

[0007] Further, the base includes longitudinal beams and two transverse beams fixed at the ends of the longitudinal beams. The upper surface of the longitudinal beam is provided with mounting holes for mounting the extension support structure.

[0008] Further, the transverse beam is in a rectangular structure, and the inside of the transverse beam is provided with a half-hole or a hollow hole.

[0009] Further, the extension support structure includes a rectangular support body, an extension adjustment lock, and a cylindrical support body. The rectangular support body and the cylindrical support body are connected through the extension adjustment lock. The rectangular support body is connected to the base. It can be inserted into the mounting hole on the upper surface of the longitudinal beam and fixed by a bolt, or it can be directly welded to the base according to actual needs. The lower end of the cylindrical support body is inserted into the hollow chamber of the rectangular support body, and the upper end of the cylindrical support body is connected to the flip support structure.

[0010] Further, the telescopic adjustment locker comprises a square-to-round hollow adapter sleeve and a locking shell sleeved on the square-to-round hollow adapter sleeve, and the square-to-round hollow adapter sleeve is fixed to the rectangular support body; the lower end of the cylindrical support body is slidingly fitted in the circular slide of the square-to-round hollow adapter sleeve; the locking screw threadedly connected to the locking shell passes through the horizontal hole of the square-to-round hollow adapter sleeve and abuts against the cylindrical support body.

[0011] Further, the locking screw is fixed with a first rotating member at the end away from the cylindrical support body.

[0012] Further, the turnover support structure comprises a first multi-gear angle adjustment locker, one end of the first multi-gear angle adjustment locker is connected to a cannula assembly, the cannula assembly is detachably connected to the cylindrical support body, the other end of the first multi-gear angle adjustment locker is connected to one end of a second multi-gear angle adjustment locker through a first support rod, and the other end of the second multi-gear angle adjustment locker is connected to a placing rack through a second support rod; the first multi-gear angle adjustment locker and the second multi-gear angle adjustment locker are the same in structure.

[0013] Further, the cannula assembly and the cylindrical support body can be detachably connected by bolts or nuts, or fixedly connected by welding, and the connection forms are various and will not be limited.

[0014] Further, the first multi-gear angle adjustment locker comprises a first cover body, a second cover body, a spring, a button, a rivet screw and a gear; the cylindrical pipe of the first cover body is connected to the cannula assembly, the cylindrical pipe of the second cover body is connected to the first support rod, the half-cylindrical shell of the first cover body and the second cover body are coaxially provided with an inner gear ring structure and a through sleeve pipe located on the inner side of the inner gear ring structure; the middle part of the rivet screw is rotationally fitted in the through sleeve pipe of the first cover body, the screw head of the rivet screw is clamped on the outer side of the first cover body, the other end of the rivet screw is threadedly connected to the through sleeve pipe of the second cover body, and the inner gear ring structures of the first cover body and the second cover body are engaged with the teeth of the gear; the gear is slidingly fitted on the through sleeve pipes of the first cover body and the second cover body through a wheel hole; the spring is fixed between the gear and the inner side of the first cover body; the button is slidingly connected in the center hole of the second cover body, and the inner end of the button abuts against the gear.

[0015] Further, the inner end of the button is provided with a limiting protrusion clamped on the inner side of the second cover body.

[0016] Further, the cannula assembly comprises a pipe body, one end of the pipe body is fixed in the cylindrical pipe of the first cover body, the other end of the pipe body is inserted into the cylindrical support body, a locking rod is slidingly fitted on the side pipe surface of the pipe body, the outer end of the locking rod can be inserted into the limiting hole on the side of the cylindrical support body, the inner end of the locking rod is slidingly arranged in the cylindrical groove on the inner side of the pipe body, and a compression spring is arranged between the inner side of the cylindrical groove and the inner end surface of the locking rod.

[0017] Further, the second support rod is fixed with a U-shaped support, the U-shaped support is connected with a U-shaped mounting piece through a first bolt and a first nut, the U-shaped mounting piece is provided with a second bolt for mounting a placing rack, and the second bolt is connected with a second nut.

[0018] From the above scheme, compared with the traditional instrument support frame, the multi-purpose instrument support frame with the lifting and angle adjusting functions has the telescopic support structure for adjusting the overall height, the horizontal height of the instrument placed on the device placing rack can be adjusted, the overturning support structure for adjusting the overturning angle is further arranged, the inclination angle of the device placing rack can be adjusted through the overturning support structure, the use requirements in different places or different situations can be effectively met, and the whole device is convenient to disassemble or assemble, can be folded or disassembled and stored when not in use, and space is saved.

[0019] In order to make the above-mentioned purpose, characteristics and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken, and the accompanying drawings are described in detail as follows. DRAWINGS

[0020] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0021] Figure 1 The schematic diagram of the multi-purpose instrument support frame provided by the embodiments of the utility model Figure 1 ;

[0022] Figure 2 The schematic diagram of the multi-purpose instrument support frame provided by the embodiments of the utility model Figure 2 ;

[0023] Figure 3 The connection schematic diagram of the telescopic support structure and the first multi-gear angle adjusting lock of the embodiments of the utility model

[0024] Figure 4 The schematic diagram of the telescopic adjusting lock of the embodiments of the utility model Figure 1 ;

[0025] Figure 2 The schematic diagram of the telescopic adjusting lock of the embodiments of the utility model Figure 6 ;

[0026] Figure 7 The partial sectional view of the telescopic adjusting lock of the embodiments of the utility model

[0027] Figure 1The utility model provides a square -round hollow adapter sleeve's schematic diagram provided for the embodiment of the utility model Figure 8 ;

[0028] Figure 2 The utility model provides a square -round hollow adapter sleeve's schematic diagram provided for the embodiment of the utility model Figure 9 ;

[0029] Figure 10 The utility model provides a schematic view of the turnover support structure provided for the embodiment of the utility model;

[0030] Figure 11 The utility model provides a schematic view of the first multi -gear angle adjusting lock provided for the embodiment of the utility model;

[0031] Figure 12 The utility model provides a schematic view of the first multi -gear angle adjusting lock provided for the embodiment of the utility model;

[0032] Figure 13 The utility model provides a schematic view of the first multi -gear angle adjusting lock provided for the embodiment of the utility model;

[0033] Figures 1-13 The utility model provides a schematic view of the first multi -gear angle adjusting lock provided for the embodiment of the utility model.

[0034] Icon: base 1, longitudinal beam 101, crossbeam 102, travelling wheel 103, telescopic support structure 2, rectangular support body 201, telescopic adjusting lock 202, cylindrical support body 203, square -round hollow adapter sleeve 204, lock casing 205, lock screw 206, first rotary piece 207, turnover support structure 3, first support rod 301, second support rod 302, first multi -gear angle adjusting lock 303, second multi -gear angle adjusting lock 304, first cover body 305, second cover body 306, spring 307, button 308, rivet screw 309, gear wheel 310, inner tooth ring structure 311, through sleeve pipe 312, cannula assembly 313, pipe body 314, lock rod 315, U type support piece 316, first bolt 317, first nut 318, U type mounting piece 319, second bolt 320, second nut 321, placing rack 4. DETAILED DESCRIPTION

[0035] In order to make the technical scheme of the utility model embodiment clearer and more complete, the following will be described in combination with the drawings of the utility model embodiment. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0036] It should be understood that the terms such as "have", "contain" and "include" used herein do not exclude the presence or addition of one or more other elements.

[0037] Please refer to ​ The utility model provides a multi -purpose instrument support frame with lift angle function of adjusting, include: base 1, telescopic support structure 2, overturning support structure 3 and device rack 4, telescopic support structure 2 both ends are connected with base 1 and overturning support structure 3 respectively, overturning support structure 3 is connected device rack 4 with one end away from telescopic support structure 2.

[0038] The working principle and technical effect of the above technical solution are:

[0039] In the multi-purpose instrument support frame with lift angle function of adjusting, the instrument to be supported can be placed on the device rack 4 during use, and the structure of the telescopic support structure can be adjusted according to the actual situation, so as to adjust the horizontal height of the overturning support structure 3 and the device rack 4, and adjust the inclination angle of the device rack 4 through the overturning support structure 3, effectively meeting the use requirements in different places or different situations, and the whole utility model is convenient to disassemble or assemble, and can be folded or disassembled for storage when not in use, saving space.

[0040] The multi-purpose instrument support frame with lift angle function of adjusting can realize multi-purpose performance through various adjustment modes such as lift adjustment, angle adjustment and radius adjustment, and can be widely applied in multiple fields such as video recording, painting and writing, beauty and hairdressing, traditional Chinese medicine health care and medical instruments, compared with the special support frame required in each field, the functions of multiple support frames are integrated into one, which is practical and has wide application range.

[0041] The base 1 includes: a longitudinal beam 101, and two transverse beams 102 fixed at both ends of the longitudinal beam 101; the longitudinal beam 101 is provided with a mounting hole for mounting the telescopic support structure 2 on the upper surface, the telescopic support structure 2 can be inserted into the mounting hole for convenient installation or disassembly, or can be welded in the mounting hole for better stability. The longitudinal beam 101 and the two transverse beams 102 form a I-shaped support structure, and the longitudinal beam 101 and the two transverse beams 102 can be welded for better structural stability. The transverse beam 102 is in rectangular structure, and is provided with a half hole or a hollow hole inside, so that the overall weight is lighter and convenient to carry. The longitudinal beam 101 is provided with a mounting hole for mounting the telescopic support structure 2 on the upper surface, and the mounting hole is located at the position close to the transverse beam 102 of the longitudinal beam 101, so that the support effect is better.

[0042] The telescopic support structure 2 comprises a rectangular support body 201, a telescopic adjustment locker 202 and a cylindrical support body 203, the rectangular support body 201 and the cylindrical support body 203 are connected through the telescopic adjustment locker 202, and the rectangular support body 201 is fixedly connected to the base 1; the lower end of the cylindrical support body 203 is inserted into the hollow chamber of the rectangular support body 201, and the upper end of the cylindrical support body 203 is connected with the turnover support structure 3. The telescopic support structure 2 is used for adjusting the overall height of the whole device, when adjusting, the telescopic adjustment locker 202 can be controlled to release the locking of the cylindrical support body 203, then the cylindrical support body 203 is controlled to slide up and down for adjustment, and after adjustment, the telescopic adjustment locker 202 is relocked on the cylindrical support body 203.

[0043] The telescopic adjustment locker 202 comprises a square-to-circle hollow adapter sleeve 204 and a locking shell 205 sleeved on the square-to-circle hollow adapter sleeve 204, the square-to-circle hollow adapter sleeve 204 is fixedly connected to the rectangular support body 201; the lower end of the cylindrical support body 203 is slidingly fitted in the circular slide way of the square-to-circle hollow adapter sleeve 204; the locking screw rod 206 threadedly connected to the locking shell 205 penetrates through the horizontal hole of the square-to-circle hollow adapter sleeve 204 and abuts against the cylindrical support body 203. The cylindrical support body 203 is slidingly fitted in the circular slide way of the square-to-circle hollow adapter sleeve 204, has good stability, and can rotate at a certain angle, so as to conveniently drive the turnover support structure 3 and the device placing rack 4 to rotate at a certain angle; after the relative positions of the rectangular support body 201 and the cylindrical support body 203 are adjusted, the locking screw rod 206 can be controlled to abut against the outer side surface of the cylindrical support body 203, so that the structure is stably fixed; the square-to-circle hollow adapter sleeve 204 is sleeved on the outer side surface of the rectangular support body 201, and the square-to-circle hollow adapter sleeve 204 and the rectangular support body 201 are preferably in interference fit, so as to improve the stability of the connection; the square-to-circle hollow adapter sleeve 204 and the locking shell 205 are plastic shells and have certain elastic buffering, so as to facilitate installation or disassembly.

[0044] The first rotating part 207 is fixed to the end of the locking screw rod 206 away from the cylindrical support body 203, the locking screw rod 206 is controlled by rotating the first rotating part 207, so as to be locked or unlocked.

[0045] The turnover support structure 3 comprises a first multi-gear angle adjustment locker 303, one end of the first multi-gear angle adjustment locker 303 is connected with a cannula assembly 313, the cannula assembly 313 is detachably connected with the cylindrical support body 203, the other end of the first multi-gear angle adjustment locker 303 is connected with one end of a second multi-gear angle adjustment locker 304 through a first support rod 301, the other end of the second multi-gear angle adjustment locker 304 is connected with the placing rack 4 through a second support rod 302; the first multi-gear angle adjustment locker 303 and the second multi-gear angle adjustment locker 304 are the same in structure.

[0046] The turnover support structure 3 is used for further adjusting the inclination angle or position of the device placing rack 4, the cannula assembly 313 is detachably connected with the cylindrical support body 203, which is convenient for assembling, installing or disassembling, when adjusting, the relative position or relative angle change between the first support rod 301 and the cannula assembly 313 can be controlled, adjusted and locked through the first multi-gear angle adjustment locker 303, the relative position or relative angle between the first support rod 301 and the second support rod 302 can be adjusted and locked through the second multi-gear angle adjustment locker 304, the adjusting range is large, which is convenient for meeting the use requirements in more situations while ensuring the support stability, the first multi-gear angle adjustment locker 303 and the second multi-gear angle adjustment locker 304 are the same in structure and very convenient to operate.

[0047] Hereinafter, the use mode of the first multi-gear angle adjustment locker 303 and the second multi-gear angle adjustment locker 304 will be described by taking the first multi-gear angle adjustment locker 303 as an example.

[0048] The first multi-gear angle adjusting locker 303 comprises a first cover 305, a second cover 306, a spring 307, a button 308, a rivet screw 309 and a gear 310; the cylindrical tube of the first cover 305 is connected to the plug assembly 313, the cylindrical tube of the second cover 306 is connected to the first support rod 301, the half-cylindrical shell of the first cover 305 and the second cover 306 are coaxially provided with an inner ring gear structure 311 and a through sleeve 312 inside the inner ring gear structure 311; the middle part of the rivet screw 309 is rotatably fitted in the through sleeve 312 of the first cover 305, the screw head of the rivet screw 309 is clamped on the outer side of the first cover 305, the other end of the rivet screw 309 is threadedly connected in the through sleeve 312 of the second cover 306, the inner ring gear structure 311 of the second cover 306 and the inner ring gear structure 311 of the first cover 305 are all engaged with the teeth of the gear 310; the gear 310 is slidingly fitted on the through sleeve 312 of the second cover 306 and the through sleeve 312 of the first cover 305 through the wheel hole; the spring 307 is fixed between the gear 310 and the inner side of the first cover 305; the button 308 is slidingly connected in the center hole of the second cover 306, and the inner end of the button 308 abuts against the gear 310.

[0049] In the first multi-gear angle adjustment lock 303, the cylindrical tube of the first cover body 305 is connected with the plug-in pipe assembly 313 in fixed connection, preferably in rivet fixed connection, and the cylindrical tube of the second cover body 306 is also fixedly connected with the first support rod 301 in rivet fixed connection, which has good connection stability and high structural strength; in the normal state, the teeth of the gear 310 are simultaneously engaged with the proximal end of the inner gear ring structure 311 of the first cover body 305 and the inner gear ring structure 311 of the second cover body 306 under the elastic force of the spring 307, when it is necessary to adjust the relative position or included angle of the first support rod 301 and the plug-in pipe assembly 313, the button 308 is pressed, the button 308 generates pressure on the gear 310, so that the gear 310 is compressed by the spring 307 at the same time, and moves in the direction of the first cover body 305, so that the gear 310 is separated from the inner gear ring structure 311 of the second cover body 306, at this time the second cover body 306 can be rotated relative to the first cover body 305 with the axis of the rivet screw 309 as the center, so as to adjust the relative position or included angle of the first support rod 301 and the plug-in pipe assembly 313, after adjusting to the corresponding position, the pressing of the button 308 is released, the gear 310 is reset under the elastic force of the spring 307, and the simultaneous engagement of the inner gear ring structure 311 of the second cover body 306 and the inner gear ring structure 311 of the first cover body 305 is re-limited, so as to limit and lock the relative position or included angle of the first support rod 301 and the plug-in pipe assembly 313, the button 308 is reset under the pressure of the gear 310, which is convenient for further control. The inner end of the button 308 is provided with a limiting protrusion, which is clamped on the inner side of the second cover body 306, so as to prevent the button 308 from falling off and being lost from the second cover body 306.

[0050] The plug-in pipe assembly 313 comprises a pipe body 314, one end of the pipe body 314 is fixedly connected in the cylindrical tube of the first cover body 305, the other end of the pipe body 314 is inserted into the cylindrical support body 203, a locking rod 315 is slidingly fitted on the side pipe surface of the pipe body 314, the outer end of the locking rod 315 can be inserted into the limiting hole on the side of the cylindrical support body 203, the inner end of the locking rod 315 is slidingly arranged in the cylindrical groove on the inner side of the pipe body 314, and a compression spring is arranged between the inner side surface of the cylindrical groove and the inner end surface of the locking rod 315.

[0051] The pipe body 314 is fixed at one end in the cylindrical pipe of the first cover body 305, and the two are fixedly connected by riveting, and the connection is stable. The other end of the pipe body 314 is inserted into the cylindrical support body 203, and the locking rod 315 can be pressed to be received in the cylindrical support body 203. At this time, the compression spring is compressed. With the sliding of the pipe body 314 into the cylindrical support body 203, when the locking rod 315 moves to the limiting hole on the side of the support body 203, the locking rod 315 is inserted into the limiting hole under the elastic force of the compression spring, so as to limit and lock the pipe body 314 and the cylindrical support body 203. When it is needed to separate the pipe body 314 and the cylindrical support body 203, the locking hole is released by pressing 315, and the pipe body 314 can be pulled out, so as to facilitate disassembly or installation.

[0052] Four embedded grooves are arranged at the four corners of the lower surface of the base 1, one embedded seat is connected in each embedded groove, a wheel seat is rotatably connected in the circular groove of the lower surface of each embedded seat, and a traveling wheel 103 is rotatably connected below each wheel seat, so as to facilitate multidirectional movement and disassembly. The embedded seat is in interference fit in the embedded groove, and good embedding effect is maintained.

[0053] The second supporting rod 302 is fixedly provided with a U-shaped supporting piece 316, the U-shaped supporting piece 316 is connected with a U-shaped mounting piece 319 through a first bolt 317 and a first nut 318, the U-shaped mounting piece 319 is provided with a second bolt 320 for mounting the placing rack 4, and the second bolt 320 is connected with a second nut 321.

[0054] The U-shaped supporting piece 316 plays a supporting role. The U-shaped supporting piece 316 and the U-shaped mounting piece 319 are detachably connected, and when being mounted, the included angle between the U-shaped supporting piece 316 and the U-shaped mounting piece 319 can be controlled to be different, and then the first bolt 317 and the first nut 318 are matched to be locked and fixed. One end of the U-shaped mounting piece 319 is rotatably connected to the bolt rod of the first bolt 317 located on the inner side of the U-shaped supporting piece 316, so that the relative angle is convenient to adjust. The first nut 318 is tightly pressed on the outer side of the U-shaped supporting piece 316, so as to realize the relative fixation of the U-shaped supporting piece 316 and the U-shaped mounting piece 319. The U-shaped mounting piece 319 is provided with the second bolt 320 for mounting the placing rack 4. The center hole of the placing rack 4 can be sleeved on the second bolt 320, and then the second nut 321 is threadedly connected on the second bolt 320 and tightly pressed on the placing rack 4 to realize the fixed mounting of the placing rack 4.

[0055] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" "internal", "external", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and so on the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation configuration and operation, therefore can not be understood as the restriction of the utility model.

[0056] In the utility model, unless another explicit provision and limitation, the term "installation", "link", "connection", "fix" and so on the term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction relationship of two elements of two elements inside, unless another explicit limitation.For ordinary skilled person in the art, can understand the concrete meaning of the above-mentioned term in the utility model according to specific circumstances.

[0057] Although the embodiment of the utility model has disclosed as above, it is not limited to the application listed in the specification and embodiment only, it can be fully applied to various fields suitable for the utility model, and the person skilled in the art can easily realize additional modification, therefore the utility model is not limited to specific details and the drawings shown and described herein under the general concept defined by the claims and equivalent scope, and the utility model is not limited to the specific details and the drawings shown and described herein.

Claims

1. A multi-purpose instrument support stand having a function of adjusting an angle of elevation, characterized by comprising: The utility model relates to a device placing rack, including: Base (1), telescopic support structure (2), turnover support structure (3) and device placing rack (4); Two ends of telescopic support structure (2) are connected with base (1) and turnover support structure (3) respectively, and the end of turnover support structure (3) away from telescopic support structure (2) is connected with device placing rack (4); Turnover support structure (3) includes: first multi-gear angle adjusting locker (303), one end of first multi-gear angle adjusting locker (303) is connected with insertion tube assembly (313), insertion tube assembly (313) is detachably connected on cylindrical support body (203), the other end of first multi-gear angle adjusting locker (303) is connected with one end of second multi-gear angle adjusting locker (304) through first support rod (301), and the other end of second multi-gear angle adjusting locker (304) is connected with placing rack (4) through second support rod (302);First multi-gear angle adjusting locker (303) and second multi-gear angle adjusting locker (304) are same in structure; First multi-gear angle adjusting locker (303) includes: first cover body (305), second cover body (306), spring (307), button (308), rivet screw (309) and gear (310);The cylindrical pipe of first cover body (305) is connected with insertion tube assembly (313), and the cylindrical pipe of second cover body (306) is connected with first support rod (301);The half-cylindrical shell of first cover body (305) and second cover body (306) are coaxially provided with inner gear ring structure (311) and through sleeve pipe (312) located inner gear ring structure (311) inside;The middle part of rivet screw (309) is rotatably fitted in the through sleeve pipe (312) of first cover body (305), the screw head of rivet screw (309) is clamped on the outer side of first cover body (305), the other end of rivet screw (309) is threadedly connected in the through sleeve pipe (312) of second cover body (306), and the inner gear ring structure (311) of second cover body (306) and the inner gear ring structure (311) of first cover body (305) are all engaged with the teeth of gear (310);Gear (310) is slidably fitted on the through sleeve pipe (312) of second cover body (306) and the through sleeve pipe (312) of first cover body (305) through wheel hole;Spring (307) is fixed between gear (310) and the inner side of first cover body (305);Button (308) is slidably connected in the center hole of second cover body (306), the inner end of button (308) abuts on gear (310), the inner end of button (308) is provided with limiting protrusion, and the limiting protrusion is clamped on the inner side of second cover body (306); U-shaped support piece (316) is fixed on second support rod (302), U-shaped mounting piece (319) is connected on U-shaped support piece (316) through first bolt (317) and first nut (318), second bolt (320) for installing placing rack (4) is arranged on U-shaped mounting piece (319), and second nut (321) is connected on second bolt (320). The intubation assembly (313) comprises a tube body (314) fixed at one end in the cylindrical tube of the first cover body (305) and inserted at the other end into the cylindrical support body (203), a locking rod (315) slidingly fitted on the side tube surface of the tube body (314), the outer end of the locking rod (315) being inserted into the limiting hole on the side of the cylindrical support body (203), the inner end of the locking rod (315) being slidingly arranged in the cylindrical groove on the inner side of the tube body (314), and a compression spring being arranged between the inner side surface of the cylindrical groove and the inner end surface of the locking rod (315).

2. The multi-purpose instrument support frame with the function of adjusting the angle of lifting according to claim 1, characterized in that, The base (1) comprises longitudinal beams (101) and two transverse beams (102) fixed at both ends of the longitudinal beams (101); the upper surface of the longitudinal beams (101) is provided with mounting holes for mounting the telescopic support structure (2).

3. The multi-purpose instrument support frame with the function of adjusting the angle of lifting according to claim 2, characterized in that, The transverse beam (102) is in a rectangular structure, and a half hole or a hollow through hole is arranged in the transverse beam (102).

4. The multi-purpose instrument support frame with the function of adjusting the angle of lifting according to claim 1, characterized in that, The telescopic support structure (2) comprises a rectangular support body (201) and a cylindrical support body (203) connected through a telescopic adjustment locker (202), wherein the rectangular support body (201) is connected to the base (1), and the lower end of the cylindrical support body (203) is inserted into the hollow cavity of the rectangular support body (201), and the upper end of the cylindrical support body (203) is connected to the turnover support structure (3).

5. The multi-purpose instrument support frame with the function of adjusting the angle of lifting according to claim 4, characterized in that, The telescopic adjustment locker (202) comprises a square-to-circle hollow adapter sleeve (204) and a locking shell (205) sleeved on the square-to-circle hollow adapter sleeve (204), wherein the square-to-circle hollow adapter sleeve (204) is fixed to the rectangular support body (201), the lower end of the cylindrical support body (203) is slidingly fitted in the circular slide of the square-to-circle hollow adapter sleeve (204), and the locking screw (206) threadedly connected to the locking shell (205) passes through the transverse hole of the square-to-circle hollow adapter sleeve (204) and abuts against the cylindrical support body (203).

6. The multi-purpose instrument support frame with the function of adjusting the angle of lifting according to claim 5, characterized in that, The first rotating member (207) is fixed to the end of the locking screw (206) away from the cylindrical support body (203).

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