Drainage tube support convenient to be arranged on bed

Abstract

The invention belongs to the technical field of drainage tube supports, and discloses a drainage tube support capable of being conveniently arranged on a bed, the drainage tube support comprises a clamping assembly and a base, the clamping assembly is connected with the base, the base is fixedly connected with a fixed sleeve, the base is rotatably connected with a screw rod, the screw rod is connected with a screw seat through threads, and the screw seat is fixedly connected with a sliding sleeve. The sliding sleeve is slidably arranged in the fixed sleeve in a sleeved mode, and scale marks are arranged on the sliding sleeve. The lead screw is coaxially connected with a driven bevel gear, the base is rotationally connected with a driving bevel gear meshed with the driven bevel gear, a rotating shaft of the driving bevel gear is connected with a pointer, the base is fixedly connected with an annular dial matched with the pointer, and the end, away from the driving bevel gear, of the rotating shaft of the driving bevel gear is connected with a rotating handle. The support is fixed to the corresponding position of a sickbed through the clamping assembly, and the space of a ward is saved; the lifting assembly is matched with the dial, so that the height of the drainage bag is accurately adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of drainage tube brackets, in particular to a drainage tube bracket that is convenient to be arranged on a bed. Background Art

[0002] A drainage bag is a medical product that is usually used to collect and remove excess fluid, blood, secretions and other substances from the body. It is widely used in a variety of medical situations, such as post-surgery, wound treatment, urine drainage, etc. For example, after surgery or in certain disease states, the body may produce too much fluid, and a drainage bag can help effectively remove this excess fluid; for surgical incisions or open wounds, using a drainage bag can reduce exudate around the wound and reduce the chance of bacterial reproduction, thereby promoting faster and better wound healing.

[0003] The hanging height of the drainage bag is very important to ensure effective and safe drainage. Therefore, the drainage bag is required to be placed at a certain height to balance the internal and external pressure difference and adjust the drainage speed. At present, an infusion stand is generally used to hang the drainage bag.

[0004] However, placing an infusion stand around a hospital bed will occupy the space around the bed, limiting the movement space of medical staff or other people in the ward. If one is not careful, the infusion stand may be bumped into. In addition, the infusion stand usually cannot be adjusted in height and is less convenient, which may even cause secondary injuries to the patient. Summary of the invention

[0005] The present invention is intended to provide a drainage tube bracket that is convenient to be set on a bed, and the bracket is fixed to a corresponding position on the bed by a clamping assembly, thereby saving ward space; and the height of the drainage bag can be precisely adjusted by cooperating with a lifting assembly and a dial, thereby solving the problems in the background technology.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] The cam is connected to the base through a telescopic assembly, the base is fastened with a fixed sleeve, the base is rotatably connected with a screw rod, the screw rod is connected with a wire seat through a thread, the wire seat is fastened with a sliding sleeve, the sliding sleeve is sleeved in the fixed sleeve, and the sliding sleeve is slidably connected with the fixed sleeve, the sliding sleeve is connected with a hook at one end away from the base, and the sliding sleeve is provided with a scale line; the screw rod is coaxially connected with a driven bevel gear, the base is rotatably connected with an active bevel gear meshing with the driven bevel gear, the rotating shaft of the active bevel gear is connected with a pointer, the base is fastened with an annular dial adapted to the pointer, and the rotating shaft of the active bevel gear is connected with a rotating handle at one end away from the active bevel gear.

[0008] Furthermore, the clamping assembly includes a connecting plate and two clamping plates rotatably connected to each other, the clamping plate including a driving end and a clamping end; the connecting plate is rotatably connected to an adjusting screw, the end of the adjusting screw is connected to a rotating knob, the driving ends of the two clamping plates are both slidably connected to the connecting plate, and the driving ends of the clamping plates are threadedly connected to the adjusting screw, and the threads of the two clamping plates have opposite rotation directions; when the adjusting screw rotates, the two clamping plates make linear motion in opposite directions along the axial direction of the adjusting screw.

[0009] Furthermore, the driving end of the clamping plate includes a flat plate and a "V"-shaped plate, and the plate surface of the flat plate is flush with the opening of the "V"-shaped plate.

[0010] Furthermore, the connecting plate is provided with a second slide groove, the clamping plate is connected with a second slide rail, the second slide rail is slidably connected in the second slide groove, and the cross-sectional shapes of the second slide groove and the second slide rail are both "convex" shapes.

[0011] Furthermore, the base is rotatably connected to a spur gear, and the spur gear is located between the base and the dial; the spur gear is connected to a plurality of strip-shaped protrusions at uniform intervals along the circumferential direction, and the gear teeth of the spur gear correspond one-to-one to the strip-shaped protrusions; the rotating shaft of the active bevel gear is fastened to a shift block meshing with the spur gear, and the shift block and the pointer are arranged along the axial direction of the rotating shaft; the base is connected to an indicator bar, and the indicator bar is slidably connected to a stopper in a direction perpendicular to the end face of the spur gear, and a spring is connected between the stopper and the indicator bar, one end of the spring is connected to the indicator bar, and the other end of the spring is connected to the stopper; when the stopper contacts the strip-shaped protrusion, the spring is in a compressed state.

[0012] Furthermore, the shift block and the pointer are both detachably connected to the rotating shaft.

[0013] Furthermore, the telescopic assembly includes an internally threaded sleeve and an externally threaded rod connected by threads, the free end of the internally threaded sleeve is tightly connected to the clamping assembly, and the free end of the externally threaded rod is tightly connected to the base.

[0014] Furthermore, the base is box-shaped, and the driving bevel gear and the driven bevel gear are both arranged in the base.

[0015] The principle and beneficial effects of the technical solution are:

[0016] 1. A drainage tube bracket that is convenient to be set on a bed is provided by the present invention. The clamping assembly is used to clamp the entire bracket on the bed, is suitable for different beds, is easy to operate, and avoids the bracket occupying the space around the bed, thereby increasing the activity space of medical staff or other people in the ward; the base is used to fix the lifting assembly and the adjusting assembly, and fix them on the clamping assembly; the clamping assembly is connected to the base through a telescopic assembly, and the horizontal distance between the drainage bag and the bed or the patient can be adjusted, thereby increasing the convenience of use; the lifting assembly and the dial are combined to accurately adjust the height of the drainage bag, specifically, the lifting assembly includes a fixed sleeve, a screw rod, a screw seat, a sliding sleeve, an active bevel gear, and a driven bevel gear, and the end of the sliding sleeve away from the base is connected with a hook, the hook is used to hang the drainage bag, the sliding sleeve is provided with a scale line, and the real-time height of the drainage bag can be known according to the scale line; the rotating shaft connected to the active bevel gear is rotated The handle is moved, the active bevel gear drives the driven bevel gear to rotate, the driven bevel gear drives the screw to rotate, and the screw drives the wire seat to slide along the axial direction of the screw to adjust the height of the drainage bag; and the rotating shaft of the active bevel gear is connected with a pointer, and the base is fastened with a ring-shaped dial adapted to the pointer, and the dial is provided with two sets of indication data (clockwise and counterclockwise), one set represents the rising distance, and the other set represents the falling distance, and the height of the drainage bag rising or falling can be known by the indication of the pointer; in this way, by utilizing the cooperation of the lifting assembly and the dial, the rising and falling heights of the drainage can be accurately adjusted by simply turning the handle, and different adjustment accuracies can be achieved by reasonably designing the pitch of the screw, the tooth spacing of the active bevel gear and the driven bevel gear according to needs; and the threaded connection between the screw and the wire seat can be used to achieve self-locking, and the drainage bag can be stably fixed at a specified position, and the rotating handle is located near the bed, which is easy to operate.

[0017] 2. The present invention provides a drainage tube bracket that is easy to be set on a bed. The clamping assembly comprises a connecting plate and two clamping plates that are rotatably connected to each other. The connecting plate is provided with an adjusting screw that drives the clamping plates to clamp or loosen. The rotating knob at the end of the adjusting screw is rotated to drive the adjusting screw to rotate. The adjusting screw drives the two clamping plates to move closer to or away from each other along the axial direction of the adjusting screw to achieve clamping or loosening. The operation is convenient. The two clamping plates are tightly locked by the threads of the adjusting screw and the clamping plate, making the connection more stable. In order to increase the friction force, an anti-skid pad can be provided at the clamping end of the clamping plate to increase the connection stability. The driving end of the clamping plate It includes a flat plate and a "V"-shaped plate. The flat plate is suitable for flat supports on hospital beds, and increases the contact surface between the clamping plate and the supports, thereby increasing the connection stability. The "V"-shaped plate is suitable for tubular or rod-shaped supports. The two "V"-shaped plates and the supports will form four contact points, which increases the connection stability. The plate surface of the flat plate is flush with the opening of the "V"-shaped plate, so that the flat plate and the "V"-shaped plate do not interfere with each other, which increases the convenience of use, saves materials, and increases the installation and use efficiency. The connecting plate and the clamping plate are slidably connected through the second slide rail and the second slide groove, and the cross-sectional shapes of the second slide groove and the second slide rail are both "convex" shaped, which can guide and increase the sliding stability.

[0018] 3. The drainage tube bracket provided by the present invention is convenient for being arranged on a bed, wherein the base is also rotatably connected to a spur gear, the spur gear is located between the base and the dial, the spur gear is connected to a plurality of strip-shaped protrusions evenly spaced along the circumferential direction, and the gear teeth of the spur gear correspond to the strip-shaped protrusions one by one, and an indication mark is provided between two adjacent strip-shaped protrusions, and the indication mark indicates the number of revolutions of the rotating shaft; the rotating shaft of the active bevel gear is fastened with a shifting block meshing with the spur gear, the shifting block and the pointer are arranged along the axial direction of the rotating shaft, that is, the shifting block and the pointer are on the same straight line, and the straight line extends along the axial direction of the rotating shaft, and the shifting block is used to drive the spur gear to rotate a corresponding number of teeth according to the number of revolutions of the rotating shaft; the base is connected to an indication bar, and the indication bar is slidably connected to a stopper in a direction perpendicular to the end face of the spur gear, a spring is connected between the stopper and the indication bar, one end of the spring is connected to the indication bar, and the other end of the spring is connected to the stopper, and the coordinated use of the stopper and the spring can indicate the number of revolutions of the rotating shaft and can also limit the spur gear It rotates under the action of its own gravity; specifically, the rotating shaft drives the dial block to rotate, the dial block drives the spur gear to rotate, the bar protrusion of the spur gear squeezes the block, and the block slides backward along the indicator bar under the action of the squeezing force and compresses the spring, so that the block can pass over the bar protrusion. After the block passes over the bar protrusion, it moves forward under the action of the rebound force of the spring and is stuck between two adjacent bar protrusions, and every time the rotating shaft rotates one circle, the block will pass over a bar protrusion, and the indicator mark between the two bar protrusions represents the number of circles of rotation of the rotating shaft, and the bar protrusion can also limit the rotation of the spur gear under the action of gravity. In this way, the height can be accurately adjusted by only watching the indicator marks corresponding to the dial and the indicator bar, which increases the convenience of operation and avoids users missing or making mistakes, causing secondary injuries to patients; the dial block and the pointer are both detachably connected to the rotating shaft, so that the pointer and the dial block can be placed in the initial position and reset to zero after each adjustment, which increases the convenience of operation and avoids making mistakes or missing initial data.

[0019] 4. The present invention provides a drainage tube bracket that is easy to be set on a bed. The telescopic assembly includes an internal threaded sleeve and an external threaded rod connected by threads. The internal threaded sleeve and the external threaded rod can adjust the horizontal distance between the connecting plate and the base, and can adjust the angle of the clamping plate to adapt to supports that are horizontal or inclined at various angles. The base has wide applicability and is easy to operate. The base is box-shaped, and the active bevel gear and the driven bevel gear are both arranged in the base to prevent the active bevel gear or the driven bevel gear from damaging the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a drainage tube support convenient for being arranged on a bed according to the present invention;

[0021] Figure 2 It is a partial structural schematic diagram of a drainage tube support convenient for being arranged on a bed according to the present invention;

[0022] Figure 3 A top view of a drainage tube support conveniently arranged on a bed according to the present invention;

[0023] Figure 4 for Figure 3 Partial cross-sectional view of AA;

[0024] Figure 5 for Figure 4 The enlarged structural diagram at D in the middle;

[0025] Figure 6 for Figure 3 Partial cross-sectional view of AA;

[0026] Figure 7 A side view of a drainage tube support conveniently arranged on a bed according to the present invention;

[0027] Figure 8 for Figure 7 A partial cross-sectional view of the middle BB;

[0028] Fig. 9 for Figure 7 Partial cross-sectional view of CC.

[0029] The names of the corresponding marks in the accompanying drawings are:

[0030] 1. Base; 2. Fixed sleeve; 201. First slide groove; 3. Screw rod; 4. Screw seat; 5. Sliding sleeve; 501. First slide rail; 6. Hook; 7. Driven bevel gear; 8. Driving bevel gear; 9. Rotating shaft; 10. Pointer; 11. Dial block; 12. Turn handle; 13. Dial; 14. Connecting rod; 15. Spur gear; 16. Bar convex block; 17. Indicator bar; 18. Blind hole; 19. Spring; 20. Block; 21. Connecting plate; 22. Second slide groove; 23. Adjusting screw; 24. Turning knob; 25. Clamping plate; 26. Driving end; 27. Clamping end; 28. Flat plate; 29. ​​"V"-shaped plate; 30. Second slide rail; 31. Internally threaded sleeve; 32. Externally threaded rod. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments:

[0032] Example 1

[0033] like Figures 1 to 9As shown, a drainage tube bracket convenient for being arranged on a bed comprises a clamping assembly and a base 1, wherein the clamping assembly comprises a connecting plate 21 and two clamping plates 25 rotatably connected to each other, the clamping plate 25 comprises a driving end 26 and a clamping end 27, the driving end 26 of the clamping plate 25 comprises a flat plate 28 and a "V"-shaped plate 29, and the plate surface of the flat plate 28 is flush with the opening of the "V"-shaped plate 29; the connecting plate 21 is rotatably connected to an adjusting screw 23 through a bearing, and a rotating knob 24 is connected to the end of the adjusting screw 23, The driving ends 26 of the two clamping plates 25 are both slidably connected to the connecting plate 21. Specifically, the connecting plate 21 is provided with a second slide groove 22, and the clamping plate 25 is connected to a second slide rail 30. The second slide rail 30 is slidably connected in the second slide groove 22, and the cross-sectional shapes of the second slide groove 22 and the second slide rail 30 are both "convex" shapes; the driving end 26 of the clamping plate 25 is connected to the adjusting screw 23 through a thread, and when the adjusting screw 23 rotates, the two clamping plates 25 move linearly along the axial direction of the adjusting screw 23;

[0034] The connecting plate 21 of the clamping assembly is connected to the box-shaped base 1 through a telescopic assembly, and the telescopic assembly includes an internal threaded sleeve 31 and an external threaded rod 32 connected by threads, the free end of the internal threaded sleeve 31 is fastened to the connecting plate 21, and the free end of the external threaded rod 32 is fastened to the base 1;

[0035] The base 1 is fastened with a fixed sleeve 2, and the base 1 is rotatably connected with a screw rod 3, and the screw rod 3 is connected with a wire seat 4 through a thread, and the wire seat 4 is fastened with a sliding sleeve 5, and the sliding sleeve 5 is sleeved in the fixed sleeve 2, and the sliding sleeve 5 is slidably connected with the fixed sleeve 2. Specifically, the inner wall of the fixed sleeve 2 is provided with a first slide groove 201, and the outer wall of the sliding sleeve 5 is connected with a first slide rail 501, and the first slide rail 501 is slidably connected in the first slide groove 201; and the end of the sliding sleeve 5 away from the base 1 is connected with a hook 6; the screw rod 3 is coaxially connected with a driven bevel gear 7, and the base 1 is rotatably connected with an active bevel gear 8 meshing with the driven bevel gear 7, and the active bevel gear 8 and the driven bevel gear 7 are both arranged in the base 1;

[0036] The rotating shaft 9 of the active bevel gear 8 is connected with a pointer 10, and the base 1 is fastened with an annular dial 13 adapted to the pointer 10 through a connecting rod 14. The rotating shaft 9 of the active bevel gear 8 is connected with a rotating handle 12 at one end away from the active bevel gear 8; in this embodiment, the base 1 is also rotatably connected with a spur gear 15, and the spur gear 15 is located between the base 1 and the dial 13; the end surface of the spur gear 15 is connected with a plurality of strip-shaped protrusions 16 at even intervals along the circumferential direction, and an indication mark is provided between two adjacent strip-shaped protrusions 16, and the gear teeth of the spur gear 15 correspond to the strip-shaped protrusions 16 one by one; the rotating shaft 9 of the active bevel gear 8 is fastened with a shifting block 11 meshing with the spur gear 15 The shift block 11 and the pointer 10 are arranged along the axial direction of the rotating shaft 9; the base 1 is connected to an indicating bar 17, and the indicating bar 17 is slidably connected to a block 20 along a direction perpendicular to the end face of the spur gear 15, and a spring 19 is connected between the block 20 and the indicating bar 17, one end of the spring 19 is connected to the indicating bar 17, and the other end of the spring 19 is connected to the block 20. Specifically, the indicating bar 17 is provided with a blind hole 18, and the spring 19 is arranged in the blind hole 18, one end of the spring 19 is connected to the bottom wall of the blind hole 18, and the other end of the spring 19 is connected to the block 20, and the block 20 is slidably connected to the blind hole 18. When the block 20 contacts the bar-shaped protrusion 16, the spring 19 is in a compressed state.

[0037] Example 2

[0038] The difference between this embodiment and embodiment 1 is that the shift block 11 and the pointer 10 of this embodiment are both detachably connected to the rotating shaft 9, that is, a plurality of slots adapted to the shift block 11 are provided along the circumferential direction at a position of the rotating shaft 9 corresponding to the shift block 11; a connecting pipe is threadedly connected at a position on the rotating shaft 9 corresponding to the pointer 10, and the pointer 10 is firmly connected to the connecting pipe.

[0039] The specific implementation process is as follows:

[0040] When using the present bracket, first adjust the internal threaded sleeve 31 and the external threaded rod 32 according to the type of hospital bed to adjust the distance and angle between the connecting plate 21 and the base 1, adjust the rotating knob 24, and the adjusting screw 23 drives the two clamping plates 25 to move closer to each other, so as to clamp the tubular support on the hospital bed through the two "V"-shaped plates 29 of the clamping end 27 or clamp the tubular support through the two flat plates 28, so as to fix the bracket; hang the drainage bag on the hook 6, rotate the rotating handle 12, the rotating handle 12 drives the active bevel gear 8 to rotate, the active bevel gear 8 drives the driven bevel gear 7 to rotate, the driven bevel gear 7 drives the screw rod 3 to rotate, and the screw rod 3 drives the screw seat 4 to slide up and down along the axial direction of the fixed sleeve to adjust the height of the drainage bag, and accurately adjust according to the pointer 10 on the rotating shaft 9 and the dial 13 on the base 1 The height of the drainage bag; specifically, the rotating shaft 9 rotates, and the shift block 11 on the rotating shaft 9 drives the spur gear 15 to rotate. The strip protrusion 16 on the spur gear 15 squeezes the stopper 20 during the rotation, so that it slides along the blind hole 18 in the direction away from the strip protrusion 16 and compresses the spring 19. After the strip protrusion 16 is able to pass over the stopper 20, the stopper 20 slides in the direction close to the strip protrusion 16 under the action of the rebound force of the spring 19. The stopper 20 is stuck between two adjacent strip protrusions 16 to limit the sliding of the spur gear 15 and indicate the number of rotations of the rotating shaft 9. The indicator mark pointed to by the indicator bar 17 represents the total number of rotations of the rotating shaft 9. For example, the medical staff issues an instruction of "raising distance A", and the operator makes the stopper 20 pass over B strip protrusions 16 as needed, and the pointer 10 rotates C scales.

[0041] Among them, the present invention provides a drainage tube bracket that is easy to be set on the bed. The clamping assembly is used to clamp the entire bracket on the bed. It is suitable for different beds and is easy to operate. It also avoids the bracket occupying the space around the bed, thereby increasing the activity space for medical staff or other people in the ward; the base 1 is used to fix the lifting assembly and the adjustment assembly, and fix them on the clamping assembly; the clamping assembly is connected to the base 1 through a telescopic assembly, which can adjust the horizontal distance between the drainage bag and the bed or the patient, thereby increasing the convenience of use; the lifting assembly and the dial 13 are combined to accurately adjust the height of the drainage bag. Specifically, the lifting assembly includes a fixed sleeve 2, a screw rod 3, a screw seat 4, a sliding sleeve 5, an active bevel gear 8, and a driven bevel gear 7, and the end of the sliding sleeve 5 away from the base 1 is connected to a hook 6, and the hook 6 is used to hang the drainage bag. The sliding sleeve is provided with a scale line, and the real-time height of the drainage bag can be known according to the scale line; the rotating handle 12 connected to the rotating shaft 9 of the active bevel gear 8 is rotated, and the active bevel gear 8 is driven. The bevel gear 8 drives the driven bevel gear 7 to rotate, the driven bevel gear 7 drives the screw rod 3 to rotate, and the screw rod 3 drives the wire seat 4 to slide along the axial direction of the screw rod 3 to adjust the height of the drainage bag; and the rotating shaft 9 of the active bevel gear 8 is connected with a pointer 10, and the base 1 is fastened with an annular dial 13 adapted to the pointer 10, and the dial 13 is provided with two sets of indication data (clockwise and counterclockwise), one set represents the rising distance, and the other set represents the falling distance. The height of the drainage bag rising or falling can be known by the indication of the pointer 10; in this way, by using the cooperation of the lifting assembly and the dial 13, only the handle 12 needs to be turned to accurately adjust the rising and falling heights of the drainage, and different adjustment accuracies can be achieved by reasonably designing the pitch of the screw rod 3, the tooth spacing of the active bevel gear 8 and the driven bevel gear 7 according to needs; and the threaded connection between the screw rod 3 and the wire seat 4 can be used to achieve self-locking, stably fix the drainage bag at a specified position, and the rotating handle 12 is located near the bed, which is easy to operate.

[0042] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A drainage tube bracket that is convenient to be set on a bed, characterized in that: The invention comprises a clamping assembly and a base (1), wherein the clamping assembly is connected to the base (1) via a telescopic assembly, the base (1) is fixedly connected to a fixed sleeve (2), the base (1) is rotatably connected to a screw rod (3), the screw rod (3) is connected to a screw seat (4) via a thread, the screw seat (4) is fixedly connected to a sliding sleeve (5), the sliding sleeve (5) is sleeved in the fixed sleeve (2), and the sliding sleeve (5) is slidably connected to the fixed sleeve (2), and the end of the sliding sleeve (5) away from the base (1) is connected to The base (1) is connected to a hook (6); the sliding sleeve (5) is provided with scale lines; the screw rod (3) is coaxially connected to a driven bevel gear (7); the base (1) is rotatably connected to a driving bevel gear (8) meshing with the driven bevel gear (7); the rotating shaft (9) of the driving bevel gear (8) is connected to a pointer (10); the base (1) is tightly connected to an annular scale plate (13) adapted to the pointer (10); and the rotating shaft (9) of the driving bevel gear (8) is connected to a rotating handle (12) at one end away from the driving bevel gear (8).

2. A drainage tube bracket that is convenient to be placed on a bed according to claim 1, characterized in that: The clamping assembly comprises a connecting plate (21) and two clamping plates (25) rotatably connected to each other, the clamping plate (25) comprising a driving end (26) and a clamping end (27); the connecting plate (21) is rotatably connected to an adjusting screw (23), the end of the adjusting screw (23) is connected to a rotating knob (24), the driving ends (26) of the two clamping plates (25) are both slidably connected to the connecting plate (21), and the driving ends (26) of the clamping plates (25) are connected to the adjusting screw (23) by threads, and the threads of the two clamping plates (25) rotate in opposite directions; when the adjusting screw (23) rotates, the two clamping plates (25) perform linear motion in opposite directions along the axial direction of the adjusting screw (23).

3. A drainage tube support conveniently arranged on a bed according to claim 2, characterized in that: The driving end (26) of the clamping plate (25) comprises a flat plate (28) and a "V"-shaped plate (29), and the plate surface of the flat plate (28) is flush with the opening of the "V"-shaped plate (29).

4. A drainage tube support that is convenient to be placed on a bed according to claim 2, characterized in that: The connecting plate (21) is provided with a second slide groove (22), the clamping plate (25) is connected with a second slide rail (30), the second slide rail (30) is slidably connected in the second slide groove (22), and the cross-sectional shapes of the second slide groove (22) and the second slide rail (30) are both "convex" shapes.

5. The drainage tube support that is convenient to be placed on a bed according to claim 1, characterized in that: The base (1) is rotatably connected to a spur gear (15), and the spur gear (15) is located between the base (1) and the dial (13); the spur gear (15) is evenly spaced along the circumferential direction and connected to a plurality of bar-shaped protrusions (16), and the gear teeth of the spur gear (15) correspond to the bar-shaped protrusions (16) one by one; the rotating shaft (9) of the active bevel gear (8) is tightly connected to a shifting block (11) meshing with the spur gear (15), and the shifting block (11) and the pointer (10) are rotated along the rotating shaft (9) ) is arranged in the axial direction of the spur gear (15); the base (1) is connected to an indicating bar (17), the indicating bar (17) is slidably connected to a stopper (20) along a direction perpendicular to the end face of the spur gear (15), a spring (19) is connected between the stopper (20) and the indicating bar (17), one end of the spring (19) is connected to the indicating bar (17), and the other end of the spring (19) is connected to the stopper (20); when the stopper (20) contacts the bar-shaped protrusion (16), the spring (19) is in a compressed state.

6. A drainage tube support conveniently arranged on a bed according to claim 5, characterized in that: The shift block (11) and the pointer (10) are both detachably connected to the rotating shaft (9).

7. The drainage tube support that is convenient to be placed on a bed according to claim 1, characterized in that: The telescopic assembly comprises an internally threaded sleeve (31) and an externally threaded rod (32) connected by threads, the free end of the internally threaded sleeve (31) being tightly connected to the clamping assembly, and the free end of the externally threaded rod (32) being tightly connected to the base (1).

8. The drainage tube support conveniently arranged on a bed according to claim 1, characterized in that: The base (1) is box-shaped, and the driving bevel gear (8) and the driven bevel gear (7) are both arranged in the base (1).

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