A modified Brown frame

Abstract

The utility model belongs to the technical field of medical devices, and specifically relates to an improved Brown frame. The improved Brown frame includes a base, a support frame and a traction mechanism; the support frame can be rotatably arranged on the base, including two support frame bodies, one end of the support frame body is movably connected to the first seat body and the other end is movably connected to the second seat body, including two support vertical rods and a support horizontal rod, and the support vertical rod includes a support rotation rod, a support rotation sleeve and a rotation fixing assembly. When the space of the hospital bed is small, the Brown frame is hung on the bed rod through a hanging rod, and under the action of gravity, the two support frame bodies are in a compressed state, saving space for the hospital bed and facilitating traction treatment for patients; when the space of the hospital bed is large, the position of the two support vertical rods is adjusted and fixed by rotating the fixing assembly, so that the Brown frame can be stably placed on the bed; the utility model can change different forms according to different usage scenarios, has a wide range of applications, and provides convenience for traction treatment of patients.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to an improved Brown frame. Background Art

[0002] The Brown frame is an extremely commonly used auxiliary medical device in orthopedic traction surgery. The Brown frame can be used to perform bone traction or skin traction treatment on patients, which can play the role of restoring fractures, dislocations, maintaining the position after reduction, or correcting joint deformities, and eliminating muscle spasms and pain. However, most of the existing Brown frames are large in size and can only be used on beds, with limited scope of application. In addition, their height and length cannot be adjusted, making them inconvenient to use. Utility Model Content

[0003] The utility model aims to overcome the disadvantages of the prior art and provide an improved Brown type frame which has a wide application range and can freely adjust the height and length.

[0004] The utility model adopts the following technical solutions:

[0005] An improved Brown frame, comprising a base, a support frame and a traction mechanism;

[0006] The base can be placed on the bed or hung on the bed rod, and includes a first base body, a second base body movably arranged in the first base body, a hanging rod movably arranged on one side of the first base body, and a movable traction wheel movably arranged on one side of the first base body and capable of cooperating with the traction mechanism;

[0007] A support frame is rotatably arranged on a base, comprising two support frame bodies arranged opposite to each other, one end of the support frame body is movably connected to the first base body and the other end is movably connected to the second base body, comprising two support vertical rods movably connected to the first base body and the second base body respectively and a support cross rod connected between the two support vertical rods, the support vertical rod comprising a support rotation rod movably connected to the first base body or the second base body, a support rotation sleeve movably arranged on the support rotation rod and connected to the support cross rod, and a rotation fixing component arranged between the support rotation rod and the first base body or the second base body;

[0008] The traction mechanism is arranged on the support frame, and comprises an upper traction frame movably arranged between two support frame bodies and a lower traction frame rotatably arranged between the two support frame bodies.

[0009] Furthermore, a hinge seat movably connected to the supporting rotating rod is provided on the first seat body, and a hinge head movably connected to the hinge seat is formed at the lower end of the supporting rotating rod. The rotating fixing assembly includes a first threaded section arranged on the supporting rotating rod and a fixing sleeve threadedly connected to the supporting rotating rod and the first threaded section. When the supporting vertical rod is arranged vertically to the first seat body, the fixing sleeve is arranged between the hinge head and the hinge seat.

[0010] Furthermore, the first seat body includes a first support plate and a first support sleeve extending from one side of the first support plate toward the second seat body, the second seat body includes a second support plate and a second support rod extending from the second support plate toward the first seat body, and the second support rod is movably arranged in the first support sleeve.

[0011] Furthermore, the supporting cross bar includes a supporting movable rod connected to one of the supporting vertical rods at one end and a supporting movable sleeve which can be movably arranged on the supporting movable rod and connected to the other supporting vertical rod at one end. The base also includes a first length fixing component arranged between the first seat body and the second seat body. The first length fixing component includes a first fixing bolt which can be movably arranged on one side of the first supporting sleeve and can be used to tighten the second supporting rod.

[0012] Furthermore, the support vertical rod also includes a height fixing component arranged between the support rotation rod and the support rotation sleeve, and the height fixing component includes a second fixing bolt movably arranged on one side of the support rotation sleeve and used to tighten the support rotation rod.

[0013] Furthermore, the support frame also includes two leg lifting frames movably connected to the two support frame bodies respectively and a first angle adjustment component arranged between the two leg lifting frames to adjust and fix the positions of the two leg lifting frames, the first angle adjustment component includes a fixed rod arranged between the two support frame bodies, a connecting frame arranged between the two leg lifting frames, a rotating adjustment rod arranged between the fixed rod and the connecting frame, and a rotating adjustment member arranged between the rotating adjustment rod and the fixed rod.

[0014] Furthermore, the connecting frame is provided with a rotating seat rotatably connected to the rotating adjustment rod, and the lower end of the rotating adjustment rod is formed with a rotating head movably connected to the rotating seat. The rotating adjustment member includes a connecting seat movably arranged on the fixed rod through which the rotating adjustment rod can pass, a second threaded section arranged on the rotating adjustment rod and a fixing nut sleeved on the rotating adjustment rod and threadedly connected to the second threaded section. Two fixing nuts are provided. When the rotating adjustment rod is fixedly connected to the connecting seat, the two fixing nuts are relatively sleeved on the upper and lower ends of the connecting seat.

[0015] Furthermore, the upper traction frame includes a first U-shaped frame opening downward, a first traction wheel arranged on the top of the first U-shaped frame, and a second length fixing component arranged between the first U-shaped frame and the two supporting frame bodies for adjusting and fixing the position of the first U-shaped frame, and the two ends of the first U-shaped frame are movably arranged on the two supporting cross bars.

[0016] Furthermore, the lower traction frame includes a second U-shaped frame opening downward, a second traction wheel arranged on the top of the second U-shaped frame, and a second angle adjustment component arranged between the second U-shaped frame and the two supporting frame bodies for adjusting and fixing the rotation angle of the second U-shaped frame, and the two ends of the second U-shaped frame are respectively movably connected to the ends of the two supporting cross bars.

[0017] Furthermore, the base also includes a plurality of movable sleeves extending from one side of the first base body toward the second base body and a plurality of adjustment bolts arranged on the first base body corresponding to the plurality of movable sleeves. The hanging rod and the movable traction wheel can be movably arranged in different movable sleeves respectively, and the adjustment bolt can be tightly pressed against the hanging rod or the movable traction wheel.

[0018] From the above description of the utility model, it can be known that compared with the prior art, the beneficial effects of the utility model are as follows: the present application defines the specific structure of the support frame through the cooperation between a base that can be placed on the bed or hung on the bed rod, a support frame rotatably arranged on the base and a traction mechanism arranged on the support frame. When the space of the hospital bed is small, the Brown frame is first hung on the bed rod through the hanging rod. Under the action of gravity, the two supporting vertical rods are respectively arranged at an angle with the first seat body and the second seat body, so that the two supporting frame bodies are in a compressed state, reducing the space occupied by the Brown frame, saving space for the hospital bed, and facilitating traction treatment for patients; when the space of the hospital bed is large, the positions of the two supporting vertical rods are first adjusted and fixed by rotating the fixing assembly, so that the two supporting vertical rods are respectively arranged vertically with the first seat body and the second seat body, and the Brown frame can be stably placed on the bed; the utility model can change different forms according to different usage scenarios, has a wide range of applications, and provides convenience for traction treatment of patients;

[0019] By cooperating between a first length fixing component disposed between the first seat body and the second seat body and a height fixing component disposed between the supporting rotating rod and the supporting rotating sleeve, the relative position of the first seat body and the second seat body and the height of the supporting vertical rod can be adjusted and fixed, so that the overall length and height of the Brown frame can be changed to adapt to patients of different body shapes, thereby improving the practicality of the utility model;

[0020] By setting a first angle adjustment component between the two leg lifts to adjust and fix the positions of the two leg lifts, the positions of the two leg lifts can be changed according to the patient's posture, thereby improving the patient's comfort;

[0021] By cooperating between a second length fixing component arranged between the first U-shaped frame and the two support frame bodies and a second angle adjustment component arranged between the second U-shaped frame and the two support frame bodies, the traction angle of the patient's skeleton traction rope can be changed, which is beneficial for traction treatment of the patient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is a schematic diagram of the structure of the improved Brown frame.

[0023] Figure 2 A schematic diagram of the partially decomposed structure of the improved Brown frame Figure 1 .

[0024] Figure 3 A schematic diagram of the partially decomposed structure of the improved Brown frame Figure 2 .

[0025] Figure 4 Schematic diagram of the structure of the improved Brown frame placed on the bed.

[0026] Figure 5 Schematic diagram of the structure of the improved Brown frame hanging on the bed rods.

[0027] In the figure: 1-base, 11-first seat body, 111-first support plate, 112-first support sleeve, 12-second seat body, 121-second support plate, 122-second support rod, 13-hanging rod, 14-movable traction wheel, 15-first length fixing component, 151-first fixing bolt, 16-movable sleeve, 17-adjusting bolt, 18-hinge seat, 2-support frame, 21-support frame body, 22-leg lifting frame, 23-first angle adjustment component, 231-fixed rod, 232-connecting frame, 233-rotation adjustment rod, 234-rotation adjustment member, 235-rotation seat, 236-rotation head, 237-connecting seat, 238-second threaded segment, 23 9-fixing nut, 24-support vertical rod, 241-support rotating rod, 242-support rotating sleeve, 243-rotation fixing assembly, 244-hinge joint, 245-first threaded section, 246-fixing sleeve, 247-height fixing assembly, 248-second fixing bolt, 25-support cross bar, 251-support moving rod, 252-support moving sleeve, 3-traction mechanism, 31-upper traction frame, 311-first U-shaped frame, 312-first traction wheel, 313-second length fixing assembly, 314-moving sleeve, 315-moving fixing bolt, 32-lower traction frame, 321-second U-shaped frame, 322-second traction wheel, 323-second angle adjustment assembly. DETAILED DESCRIPTION

[0028] The present invention is further described below through specific implementation methods.

[0029] like Figures 1 to 5 As shown, this embodiment provides an improved Brown frame, including a base 1, a support frame 2 and a traction mechanism 3.

[0030] The base 1 can be placed on a bed or hung on a bed rod, and includes a first base body 11, a second base body 12 movably arranged in the first base body 11, a hanging rod 13 movably arranged on one side of the first base body 11, a movable traction wheel 14 movably arranged on one side of the first base body 11 and capable of cooperating with the traction mechanism 3, and a first length fixing component 15 arranged between the first base body 11 and the second base body 12; the relative position of the first base body 11 and the second base body 12 can be adjusted and fixed by the first length fixing component 15, so as to change the overall length of the Brown frame; specifically, the first base body 11 includes a first support plate 111 and a first support sleeve 112 extending from one side of the first support plate 111 toward the second base body 12, the second base body 12 includes a second support plate 121 and a second support rod 122 extending from the second support plate 124 toward the first base body 11, and the second support rod 122 is movably arranged in the first support sleeve 112; further, the first length fixing component 15 includes a movable device A first fixing bolt 151 disposed on one side of the first support sleeve 112 can be used to tighten the second support rod 122; further, the base 1 also includes a plurality of movable sleeves 16 extending from one side of the first base body 11 toward the second base body 12 and a plurality of adjusting bolts 17 disposed on the first base body 11 and corresponding to the plurality of movable sleeves 16; the hanging rod 13 and the movable traction wheel 14 can be movably disposed in different movable sleeves 16, respectively, and the adjusting bolt 17 can be tightened against the hanging rod 13 or the movable traction wheel 14 in the movable sleeve 16; the direction and length of the hanging rod 13 and the movable traction wheel 14 can be adjusted and fixed by the adjusting bolt 17; further, during use, when the base 1 is placed on the bed, the hook direction of the hanging rod 13 is the same as the direction of the support frame 2, and when the base 1 is hung on the bed rod, the hook direction of the hanging rod 13 is opposite to the direction of the support frame 2, and the length of the hanging rod 13 can be adjusted according to the height of the bed; when the base 1 is hung on the bed rod, the traction rope of the patient's foot will pass through the movable traction wheel 14.

[0031] The support frame 2 is rotatably arranged on the base 1, and includes two support frame bodies 21 arranged opposite to each other, one end of the support frame body 21 is movably connected to the first base body 11 and the other end is movably connected to the second base body 12, including two support vertical rods 24 movably connected to the first base body 11 and the second base body 12 respectively, and a support cross bar 25 connected between the two support vertical rods 24, the support vertical rod 24 includes a support rotation rod 241 movably connected to the first base body 11 or the second base body 12, a support rotation sleeve 242 movably arranged on the support rotation rod 241 and connected to the support cross bar 25, and a support rotation sleeve 242 arranged on the support rotation rod 2 41 and the first seat body 11 or the second seat body 12; the connection state between the two supporting rotating rods 241 and the first seat body 11 and the second seat body 12 is changed by the rotating fixing assembly 243, so that the Brown frame can be changed into different forms according to different usage scenarios, with a wide range of applications, and provides convenience for traction treatment of patients; specifically, the first seat body 11 is provided with an articulated seat 18 movably connected to the supporting rotating rod 241, and the lower end of the supporting rotating rod 241 is formed with an articulated head 244 movably connected to the articulated seat 18, wherein the second seat body 12 and the supporting rotating rod 241 are connected to each other. The connection method is consistent with the connection method of the first seat body 11 and the supporting rotating rod 241, and the second seat body is not further described here; further, the rotating fixing component 243 includes a first threaded section 245 arranged on the supporting rotating rod 241 and a fixing sleeve 246 which is threadedly connected to the supporting rotating rod 241 and the first threaded section 245. When the supporting vertical rod 24 is arranged vertically with the first seat body 11, the fixing sleeve 246 is sleeved between the hinge head 244 and the hinge seat 18; further, when the space of the bed is small, the Brown frame is first hung on the bed rod through the hanging rod 13, and under the action of gravity, the two supports are The vertical support rods 24 are arranged obliquely with the first seat body 11 and the second seat body 12 respectively, and the fixing sleeve 246 is sleeved on the supporting rotating rod 241, away from the hinge head 244 and the hinge seat 18, so that the two supporting frame bodies 21 are in a compressed state, reducing the space occupied by the Brown frame and facilitating traction treatment for patients; when the space of the bed is large, the fixing sleeve 246 is sleeved between the hinge head 244 and the hinge seat 18 through the cooperation of the first threaded section 245 and the fixing sleeve 246, and the two vertical support rods 24 are arranged vertically with the first seat body 11 and the second seat body 12 respectively, so that the Brown frame can be firmly placed on the bed.

[0032] The supporting cross bar 25 includes a supporting movable rod 251 which is connected to one of the supporting vertical rods 24 at one end and a supporting movable sleeve 252 which can be moved left and right on the supporting movable rod 251 and is connected to the other supporting vertical rod 24 at one end; specifically, the positions of the supporting movable rod 251 and the supporting movable sleeve 252 can change with the positions of the first seat body 11 and the second seat body 12.

[0033] The support vertical rod 24 also includes a height fixing component 247 arranged between the support rotating rod 241 and the support rotating sleeve 242; the height of the entire Brown frame can be changed by adjusting and fixing the relative positions of the support rotating rod 241 and the support rotating sleeve 242 by the height fixing component 247; specifically, the height fixing component 247 includes a second fixing bolt 248 that is movably arranged on one side of the support rotating sleeve 242 and can be used to tighten the support rotating rod 241.

[0034] The support frame 2 also includes two leg-lifting frames 22 movably connected to the two support frame bodies 21, and a first angle adjustment component 23 arranged between the two leg-lifting frames 22 to adjust and fix the positions of the two leg-lifting frames 22; the positions of the two leg-lifting frames 22 are adjusted and fixed by the first angle adjustment component 23 according to the patient's posture, so as to improve the comfort of the patient; specifically, the first angle adjustment component 23 includes a fixed rod 231 arranged between the two support frame bodies 21, a connecting frame 232 arranged between the two leg-lifting frames 22, a rotating adjustment rod 233 arranged between the fixed rod 231 and the connecting frame 232, and a rotating adjustment member 234 arranged between the rotating adjustment rod 233 and the fixed rod 231; In the next step, a rotating seat 235 rotatably connected to the rotating adjustment rod 233 is provided on the connecting frame 232, and a rotating head 236 movably connected to the rotating seat 235 is formed at the lower end of the rotating adjustment rod 233. The rotating adjustment member 234 includes a connecting seat 237 movably arranged on the fixed rod 231 for the rotating adjustment rod 233 to pass through, a second threaded section 238 arranged on the rotating adjustment rod 233, and a fixing nut 239 sleeved on the rotating adjustment rod 233 and threadedly connected to the second threaded section 234. Two fixing nuts 239 are provided. When the rotating adjustment rod 233 is fixedly connected to the connecting seat 237, the two fixing nuts 239 are relatively sleeved on the upper and lower ends of the connecting seat 237.

[0035] The traction mechanism 3 is arranged on the support frame 2, and includes an upper traction frame 31 that is movably arranged between the two support frame bodies 21 and a lower traction frame 32 that is rotatable left and right and arranged between the two support frame bodies 21; when the Brown frame is placed on the bed, the traction rope of the patient's feet can pass through the upper traction frame 31, the lower traction frame 32 and the movable traction wheel 14 in sequence; when the Brown frame is hung on the bed rod, the traction rope of the patient's feet can pass through the movable traction wheel 14, the lower traction frame 32 and the upper traction frame 31 in sequence; specifically, the upper traction frame 31 includes a downward opening The first U-shaped frame 311, a first traction wheel 312 arranged at the top of the first U-shaped frame 311 and a second length fixing component 313 arranged between the first U-shaped frame 311 and the two support frame bodies 21 for adjusting and fixing the position of the first U-shaped frame 311, the two ends of the first U-shaped frame 311 are movably arranged on the two support cross bars 25; further, the lower traction frame 32 includes a second U-shaped frame 321 with an opening downward, a second traction wheel 322 arranged at the top of the second U-shaped frame 321 and a second length fixing component 313 arranged between the second U-shaped frame 321 and the two support frame bodies 2 1 is used to adjust and fix the second angle adjustment component 323 of the rotation angle of the second U-shaped frame 321, and the two ends of the second U-shaped frame 321 are respectively movably connected with the ends of the two support cross bars 25; further, by the cooperation between the second length fixing component 313 arranged between the first U-shaped frame 311 and the two support frame bodies 21 and the second angle adjustment component 323 arranged between the second U-shaped frame 321 and the two support frame bodies 21, the traction angle of the patient's skeleton traction rope can be changed, which is beneficial for the patient to perform traction treatment; further, the second length fixing component 313 includes two movable sleeves 314 respectively arranged at both ends of the first U-shaped frame and a movable fixing bolt 315 movably arranged on one side of the movable sleeve 314 and can be used to tighten the support cross bar 25, and the movable sleeve 314 is sleeved on the support cross bar 25; further, the second angle adjustment component 333 is consistent with the first angle adjustment component 23, and its cooperation mode with the two support frame bodies 21 is consistent with the cooperation mode of the first angle adjustment component 23 with the two support frame bodies 21, and its specific structure is not further described here.

[0036] In summary, with the help of the above technical scheme of the utility model, through the cooperation between the base 1 that can be placed on the bed or hung on the bed rod, the support frame 2 that can be rotatably arranged on the base 1 and the traction mechanism 3 arranged on the support frame 2, and limiting the specific structure of the support frame 2, the utility model can be transformed into different forms according to different usage scenarios, has a wide range of applications, and provides convenience for traction treatment of patients; in addition, through the cooperation between the first length fixing component 15 arranged between the first seat body 11 and the second seat body 12 and the height fixing component 247 arranged between the support rotation rod 241 and the support rotation sleeve 242, The overall length and height of the Brown frame can be changed to accommodate patients of different body shapes, thereby improving the practicality of the present invention; in addition, by means of a first angle adjustment component 23 disposed between the two leg-lifting frames 22, the positions of the two leg-lifting frames can be changed according to the patient's posture, thereby improving the patient's comfort; in addition, by means of a second length fixing component 313 disposed between the first U-shaped frame 311 and the two support frame bodies 21 and a second angle adjustment component 323 disposed between the second U-shaped frame 321 and the two support frame bodies 21, the traction angle of the patient's skeleton traction rope can be changed, thereby facilitating traction therapy for the patient.

[0037] The above description is only a preferred embodiment of the present invention, and therefore cannot be used to limit the scope of implementation of the present invention. That is, equivalent changes and modifications made according to the scope of application of the present invention and the contents of the specification should still fall within the scope covered by the present invention.

Claims

1. An improved Brown frame, characterized in that: It includes a base, a support frame and a traction mechanism; The base can be placed on the bed or hung on the bed rod, and includes a first base body, a second base body movably arranged in the first base body, a hanging rod movably arranged on one side of the first base body, and a movable traction wheel movably arranged on one side of the first base body and capable of cooperating with the traction mechanism; A support frame is rotatably arranged on a base, comprising two support frame bodies arranged opposite to each other, one end of the support frame body is movably connected to the first base body and the other end is movably connected to the second base body, comprising two support vertical rods movably connected to the first base body and the second base body respectively and a support cross rod connected between the two support vertical rods, the support vertical rod comprising a support rotation rod movably connected to the first base body or the second base body, a support rotation sleeve movably arranged on the support rotation rod and connected to the support cross rod, and a rotation fixing component arranged between the support rotation rod and the first base body or the second base body; The traction mechanism is arranged on the support frame, and comprises an upper traction frame movably arranged between two support frame bodies and a lower traction frame rotatably arranged between the two support frame bodies.

2. The improved Brown frame according to claim 1, characterized in that: The first seat body is provided with an articulated seat movably connected to the supporting rotating rod, and the lower end of the supporting rotating rod is formed with an articulated head movably connected to the articulated seat. The rotation fixing assembly includes a first threaded section arranged on the supporting rotating rod and a fixing sleeve threadedly connected to the supporting rotating rod and the first threaded section. When the supporting vertical rod is arranged vertically to the first seat body, the fixing sleeve is arranged between the articulated head and the articulated seat.

3. The improved Brown frame according to claim 1, characterized in that: The first seat body includes a first support plate and a first support sleeve extending from one side of the first support plate toward the second seat body, the second seat body includes a second support plate and a second support rod extending from the second support plate toward the first seat body, and the second support rod is movably arranged in the first support sleeve.

4. The improved Brown frame according to claim 3, characterized in that: The supporting cross bar includes a supporting movable rod connected to one of the supporting vertical rods at one end and a supporting movable sleeve which can be movably arranged on the supporting movable rod and connected to the other supporting vertical rod at one end. The base also includes a first length fixing component arranged between the first seat body and the second seat body. The first length fixing component includes a first fixing bolt which can be movably arranged on one side of the first supporting sleeve and can be used to tighten the second supporting rod.

5. The improved Brown frame according to claim 2, characterized in that: The support vertical rod also includes a height fixing component arranged between the support rotation rod and the support rotation sleeve, and the height fixing component includes a second fixing bolt movably arranged on one side of the support rotation sleeve and used for tightening the support rotation rod.

6. The improved Brown frame according to claim 1, characterized in that: The support frame also includes two leg lifting frames movably connected to the two support frame bodies respectively and a first angle adjustment component arranged between the two leg lifting frames to adjust and fix the positions of the two leg lifting frames. The first angle adjustment component includes a fixed rod arranged between the two support frame bodies, a connecting frame arranged between the two leg lifting frames, a rotating adjustment rod arranged between the fixed rod and the connecting frame, and a rotating adjustment member arranged between the rotating adjustment rod and the fixed rod.

7. The improved Brown frame according to claim 6, characterized in that: The connecting frame is provided with a rotating seat rotatably connected to the rotating adjustment rod, and the lower end of the rotating adjustment rod is formed with a rotating head movably connected to the rotating seat. The rotating adjustment member includes a connecting seat movably arranged on the fixed rod through which the rotating adjustment rod can pass, a second threaded section arranged on the rotating adjustment rod and a fixing nut sleeved on the rotating adjustment rod and threadedly connected to the second threaded section. Two fixing nuts are provided, and when the rotating adjustment rod is fixedly connected to the connecting seat, the two fixing nuts are relatively sleeved on the upper and lower ends of the connecting seat.

8. The improved Brown frame according to claim 1, characterized in that: The upper traction frame includes a first U-shaped frame with an opening downward, a first traction wheel arranged on the top of the first U-shaped frame, and a second length fixing component arranged between the first U-shaped frame and the two supporting frame bodies for adjusting and fixing the position of the first U-shaped frame. The two ends of the first U-shaped frame are movably arranged on the two supporting cross bars.

9. The improved Brown frame according to claim 1, characterized in that: The lower traction frame includes a second U-shaped frame opening downward, a second traction wheel arranged on the top of the second U-shaped frame, and a second angle adjustment component arranged between the second U-shaped frame and the two supporting frame bodies for adjusting and fixing the rotation angle of the second U-shaped frame, and the two ends of the second U-shaped frame are respectively movably connected to the ends of the two supporting cross bars.

10. The improved Brown frame according to claim 1, characterized in that: The base also includes a plurality of movable sleeves extending from one side of the first base body toward the second base body and a plurality of adjustment bolts arranged on the first base body corresponding to the plurality of movable sleeves. The hanging rod and the movable traction wheel can be movably arranged in different movable sleeves respectively, and the adjustment bolt can be tightly pressed against the hanging rod or the movable traction wheel.

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