Handrail with lifting and rotating functions

Abstract

The handrail comprises a U-shaped handrail body, a base, a handle, a mounting plate and a clamping plate, the two ends of the U-shaped handrail body are detachably connected with the base, the base is rotationally arranged in the mounting plate, the mounting plate is movably arranged on the clamping plate, the clamping plate is fixedly arranged on a trolley, an indexing pin is fixedly arranged on the mounting plate, and the indexing pin is fixedly connected with the handle. A plurality of positioning holes are formed in the clamping plate, and pin heads of the indexing pins are telescopically positioned in the positioning holes; a plurality of rotating holes are formed in the mounting plate, a certain included angle is formed between the arrangement direction of the rotating holes and the horizontal direction, the handle is hinged to the top end of the base, a pin shaft is rotationally arranged at the bottom end of the handle and movably penetrates through the base, the end, away from the handle, of the pin shaft movably penetrates through the rotating holes, and the pin shaft is movably sleeved with a pressure spring; the compression spring is located in the base, and the two ends of the compression spring abut against the opposite side walls in the base respectively. The U-shaped handrail has the effect of adjusting the height and angle of the U-shaped handrail.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical rehabilitation equipment, in particular to a handrail with lifting and rotating functions. BACKGROUND

[0002] Since medical devices have different applicable scenarios, the trolley needs to be moved in many cases. However, at present, most of the trolley devices either have no handrails designed for nurses to hold during movement or have fixed handrails that cannot be adjusted and moved according to actual conditions.

[0003] However, different types of medical rehabilitation equipment have different heights. At the same time, different nurses have significant differences in height, and they have developed their own unique operation habits in long-term work. In this complex situation, if the trolley is not equipped with a handrail for movement or the handrail is not adjustable, the nurses will inevitably have difficulty in using the trolley device for daily nursing operations, which may affect the efficiency and quality of nursing work. CONTENT OF THE INVENTION

[0004] In order to adjust the height and angle of the equipment handrail to meet the needs of different nurses, the present application provides a handrail with lifting and rotating functions.

[0005] The handrail with lifting and rotating functions provided by the present application adopts the following technical solution:

[0006] A handrail with lifting and rotating functions, comprising a U-shaped handrail, a base, a handle, a mounting plate and a clamping plate, the two ends of the U-shaped handrail are detachably connected with the base, the base is rotatably arranged in the mounting plate, the mounting plate is movably arranged on the clamping plate, the clamping plate is fixedly arranged on the trolley, a dividing pin is fixedly arranged on the mounting plate, a plurality of positioning holes are formed in the clamping plate, the pin head of the dividing pin is telescopically positioned in the positioning hole; a plurality of rotating holes are formed in the mounting plate, the arrangement direction of the plurality of rotating holes has a certain angle with the horizontal direction, the handle is hingedly arranged at the top end of the base, a pin shaft is rotatably arranged at the bottom end of the handle, the pin shaft is movably inserted into the base, one end of the pin shaft away from the handle is movably inserted into the rotating hole, a compression spring is movably sleeved on the pin shaft, the compression spring is located in the base, and the two ends of the compression spring are respectively in abutment with the opposite side walls in the base.

[0007] Optionally, the plurality of rotating holes are uniformly and spacedly arranged, and the angle between the arrangement direction of the plurality of rotating holes and the horizontal direction is between 30° and 60°.

[0008] Optionally, a limiting pin is arranged on the end of the pin shaft away from the handle, the pin shaft is arranged in the base, one end of the compression spring is in abutment with the inner side wall of the base, and the other end is in abutment with the limiting pin.

[0009] Optionally, a sliding block is fixed to the outer side wall of the mounting plate, a guide rail is fixed to the clamping plate, and the guide rail is vertically arranged, and the sliding block is slidingly connected to the guide rail.

[0010] Optionally, the clamping plate is vertically arranged, and a plurality of positioning holes are uniformly arranged along the vertical extension direction of the clamping plate.

[0011] Optionally, the base comprises a bending portion, a connecting portion and an extension portion, the bending portion is in a trapezoidal structure in side view, and the lower end of the bending portion is close to one side of the mounting plate and has a space for the inner side wall of the mounting plate.

[0012] Optionally, the handle is provided with a stop block at the end away from the pin shaft.

[0013] In summary, the present application has at least one of the following beneficial technical effects:

[0014] 1. By pulling and rotating the index pin outward, the pin head is retracted from the positioning hole under the action of the elastic member, at this time, the U-shaped handrail can move relative to the clamping plate, the sliding block is moved along the vertical direction of the guide rail, thereby driving the U-shaped handrail to move up and down, when the U-shaped handrail moves to the appropriate position, the pin head is aligned with the positioning hole and the index pin is rotated, the pin head is inserted into the positioning hole under the action of the elastic member, thereby realizing repositioning, and further adjusting the height of the U-shaped handrail.

[0015] 2. By pressing the top end of the handle, the top end of the handle is close to the U-shaped handrail, taking the hinge point of the handle and the extension portion as the support point, the tail end of the handle drives the pin shaft to move away from the rotating hole, at this time, the compression spring is compressed under the action of the bending portion side wall and the limiting pin, the compression spring stores elastic potential energy, the handle is pulled outward away from the trolley, the free end of the pin shaft is aligned with another rotating hole, the handle is released, the compression spring releases the elastic potential energy, and the free end of the pin shaft is positioned in the rotating hole, thereby adjusting the angle of the U-shaped handrail. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the overall structure schematic diagram of the handrail installed on the trolley in the embodiment.

[0017] Figure 2 is the structure schematic diagram of the handrail in the embodiment.

[0018] Figure 3 is the bottom view of the handrail in the embodiment.

[0019] Figure 4 is the structure schematic diagram of the index pin inserted into the positioning hole in the embodiment.

[0020] Explanation of reference signs: 1, U-shaped handrail; 2, connecting block; 3, base; 31, bending part; 311, rotating shaft; 312, through hole; 32, connecting part; 33, extension part; 4, handle; 41, pin shaft; 42, limiting pin; 43, compression spring; 44, stop block; 5, mounting plate; 51, fixed part; 511, fixed hole; 512, indexing pin; 52, adjusting part; 521, rotating hole; 53, side ear part; 6, sliding block; 7, guide rail; 8, clamping plate; 81, positioning hole. DETAILED DESCRIPTION

[0021] The following will be described in detail in combination with the accompanying drawings. Figures 1-4 The application is further described in detail.

[0022] The application discloses a handrail with lifting and rotating functions. Referring to Figure 1 and Figure 2 , the handrail comprises a U-shaped handrail 1, a base 3, a handle 4, a mounting plate 5 and a clamping plate 8, the two ends of the U-shaped handrail 1 are detachably connected with the base 3, the base 3 is rotationally arranged in the mounting plate 5, the mounting plate 5 is movably arranged on the clamping plate 8, the clamping plate 8 is fixedly arranged on a trolley, the handle 4 is hingedly arranged with the base 3, and a pin shaft 41 is rotationally arranged at the tail end of the handle 4, the pin shaft 41 is movably inserted into the base 3 and the mounting plate 5, and a stop block 44 is arranged at the top end of the handle 4, which is more convenient for nursing staff to press the handle 4, so as to adjust the angle of the U-shaped handrail 1.

[0023] Referring to Figure 2 and Figure 3Threadedly connected with the connecting blocks 2 at both ends of the U-shaped handrail 1 are bases 3, the base 3 comprises a bent portion 31, a connecting portion 32 and an extension portion 33, the bent portion 31 is in a U-shaped structure in cross section, a cavity is formed inside the bent portion 31, the side is in a trapezoidal structure, the lower end of the bent portion 31 has a certain space for the side wall of the mounting plate 5 to facilitate the rotation of the base 3; the connecting portion 32 is in a plate structure, the connecting portion 32 is arranged on the top end of the bent portion 31, the connecting block 2 is threadedly connected with the connecting portion 32; the extension portion 33 is fixedly connected with the end wall of the connecting portion 32 at one end, and extends away from the connecting portion 32 and is hingedly arranged with the handle 4 at the other end; the mounting plate 5 comprises a fixed portion 51, an adjusting portion 52 and a side ear portion 53, the fixed portion 51 is movably connected with the clamping plate 8, the adjusting portion 52 is oppositely arranged with the side ear portion 53, rotation holes are formed in the opposite side walls of the side ear portion 53 and the adjusting portion 52, rotation holes are also formed in the opposite side walls of the bent portion 31, a rotation shaft 311 is arranged in the rotation holes, so that the U-shaped handrail 1 can rotate around the rotation shaft 311; a through hole 312 is formed in the opposite side walls of the bent portion 31, the through hole 312 is below the rotation shaft 311, a pin shaft 41 is movably arranged in the through hole 312, a limiting pin 42 is fixedly arranged on the pin shaft 41, the limiting pin 42 is located in the cavity, a compression spring 43 is arranged on the pin shaft 41, one end of the compression spring 43 abuts against the limiting pin 42, and the other end of the compression spring 43 abuts against the inner side wall of the bent portion 31; a plurality of rotation holes 521 are formed in the adjusting portion 52, the number of the rotation holes 521 is two in the embodiment, the two rotation holes 521 are uniformly and spacedly arranged, and the arrangement direction of the two rotation holes 521 has a certain angle with the horizontal direction, the angle is 30°-60°, one end of the pin shaft 41 away from the handle 4 is movably arranged in the rotation hole 521, the top end of the handle 4 can be pressed to make the top end of the handle 4 close to the U-shaped handrail 1, the handle 4 and the extension portion 33 are taken as a support point, the tail end of the handle 4 drives the pin shaft 41 away from the rotation hole 521, at this time, the compression spring 43 is compressed under the action of the side wall of the bent portion 31 and the limiting pin 42, the compression spring 43 stores elastic potential energy, the handle 4 is pulled outward away from the trolley to make the free end of the pin shaft 41 align with the other rotation hole 521, the handle 4 is released to make the compression spring 43 release the elastic potential energy, and the free end of the pin shaft 41 is positioned in the rotation hole 521, so that the angle adjustment of the U-shaped handrail 1 is completed.

[0024] Reference Figure 4The fixed part 51 is provided with a fixed hole 511, and a dividing pin 512 is installed in the fixed hole 511. A plurality of positioning holes 81 are uniformly and vertically arranged on the clamping plate. A sliding block 6 is fixed to the outer wall of the fixed part 51. A guide rail 7 is vertically installed on the clamping plate. The sliding block 6 is slidably embedded in the guide rail 7. The dividing pin 512 can be pulled out and rotated outward, so that the pin head is retracted from the positioning hole 81 under the action of the elastic part. At this time, the U-shaped handrail 1 can be moved relative to the clamping plate 8, and the sliding block 6 is moved along the vertical direction of the guide rail 7, so as to drive the U-shaped handrail 1 to move up and down. When the U-shaped handrail 1 is moved to the appropriate position, the pin head is aligned with the positioning hole 81 and the dividing pin 512 is rotated. Under the action of the elastic part, the pin head is inserted into the positioning hole 81, so as to realize repositioning, and the height of the U-shaped handrail 1 can be adjusted.

[0025] The implementation principle of the embodiment of the handrail with lifting and rotating functions is as follows: when the height of the U-shaped handrail 1 needs to be adjusted, the dividing pin 512 can be pulled out and rotated outward, so that the pin head is separated from the positioning hole 81. The U-shaped handrail 1 is adjusted to the appropriate height, the pin head is opposite to the positioning hole 81, the dividing pin 512 is rotated, and the pin head is positioned in the positioning hole 81 under the elastic force of the elastic part; when the angle of the U-shaped handrail 1 needs to be adjusted, the handle 4 can be pressed close to the U-shaped handrail 1. The tail end of the handle 4 drives the pin shaft 41 to be separated from the rotating hole 521, the handle 4 is pulled out away from the trolley, the pin shaft 41 is opposite to the position of the next rotating hole 521, the handle 4 is loosened, and the pin shaft 41 is positioned in the rotating hole 521 under the elastic force of the compression spring 43, so as to complete the adjustment of the angle of the U-shaped handrail 1.

[0026] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application. Therefore, equivalent changes made on the basis of the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A handrail having a lifting and rotating function, characterized in that: The utility model provides a kind of trolley, including U-shaped handrail (1), pedestal (3), handle (4), mounting plate (5) and clamping plate (8), the both ends of the U-shaped handrail (1) are detachably connected with pedestal (3), pedestal (3) is rotationally arranged in mounting plate (5), mounting plate (5) is movably arranged on clamping plate (8), clamping plate (8) is fixedly arranged on trolley, indexing pin (512) is fixedly arranged on the mounting plate (5), a plurality of positioning holes (81) are opened in clamping plate (8), the pin head of the indexing pin (512) is telescopically positioned in the positioning hole (81);A plurality of rotating holes (521) are opened in the mounting plate (5), the arrangement direction of a plurality of rotating holes (521) has certain angle with horizontal direction, handle (4) is hingedly arranged with the top end of pedestal (3), pin shaft (41) is rotationally arranged at the bottom end of handle (4), the pin shaft (41) is movably inserted in pedestal (3), one end of pin shaft (41) away from handle (4) is movably inserted in rotating hole (521), compression spring (43) is movably sleeved on the pin shaft (41), the compression spring (43) is located in pedestal (3), and the opposite side walls in pedestal (3) are respectively abutted with the two ends of compression spring (43).

2. The handrail with lifting and rotating functions according to claim 1, characterized in that: The plurality of rotating holes (521) are evenly spaced, and the angle between the arrangement direction of the plurality of rotating holes (521) and the horizontal direction is between 30°-60°.

3. The handrail with lifting and rotating functions according to claim 1, characterized in that: One end of the pin shaft (41) away from the handle (4) is provided with a limiting pin (42), the pin shaft (41) is located in the pedestal (3), one end of the compression spring (43) is abutted with the inner side wall of the pedestal (3), and the other end is abutted with the limiting pin (42).

4. The handrail with lifting and rotating functions according to claim 1, characterized in that: The outer side wall of the mounting plate (5) is fixedly connected with a sliding block (6), the clamping plate (8) is fixedly connected with a guide rail (7), and the guide rail (7) is vertically arranged.

5. The handrail with lifting and rotating functions according to claim 4, characterized in that: The clamping plate (8) is vertically arranged, and the plurality of positioning holes (81) are evenly spaced along the vertical extension direction of the clamping plate (8).

6. The handrail with lifting and rotating functions according to claim 1, characterized in that: The pedestal (3) includes a bent portion (31), a connecting portion (32) and an extension portion (33), the bent portion (31) is trapezoidal in side view, and the lower end of the bent portion (31) is close to one side of the mounting plate (5) and has a space for the inner side wall of the mounting plate (5).

7. The handrail with lifting and rotating functions according to claim 1, characterized in that: The handle (4) is provided with a stop block (44) away from the pin shaft (41).

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