Multifunctional handrail capable of being electrically lifted, freely rotated and controllably hydraulically overturned

Abstract

The utility model relates to the field of armrests for medical seats, in particular to a multifunctional armrest capable of being electrically lifted, freely rotated and controllably hydraulically overturned, which comprises a lower casing, a lifting rod and an adjusting component, the adjusting component comprises an electric push rod and a circuit board, one side of the lower casing is provided with a hollow pipe, and the other side of the lower casing is provided with a connecting rod. The hollow pipe is fixedly connected with the lower shell cover and the seat, a circuit board is arranged on the inner side of the lower shell cover, a lifting rod is arranged on the inner side of the lower shell cover, the lifting rod is in sliding and rotating connection with the lower shell cover, an electric push rod is arranged on one side of the lifting rod, the electric push rod is electrically connected with the circuit board, and an upper shell cover is arranged above the lifting rod. The upper shell cover is rotationally connected with the lifting rod, a controllable hydraulic gas spring is arranged on the inner side of the upper shell cover and rotationally connected with the lifting rod, and a duck tongue buckle is arranged at one end of the upper shell cover and rotationally connected with the upper shell cover; according to the utility model, stepless adjustment of lifting, rotation and pitch angle of the armrest can be carried out, and the comfort level of a user is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of armrests for medical professional seats, and particularly relates to a multifunctional armrest capable of being electrically lifted, freely rotated and hydraulically flipped. BACKGROUND

[0002] The armrest of a seat refers to an armrest installed on both sides of a seat, which is usually used to provide support and comfort.

[0003] The existing armrest structure is relatively simple and fixedly connected with the seat, and the height and angle of the armrest are difficult to adjust, which makes it difficult to provide a comfortable experience for users of various body types.

[0004] Therefore, in view of the above problems, a multifunctional armrest capable of being electrically lifted, freely rotated and hydraulically flipped can be designed, so that the armrest can be infinitely adjusted in lifting, rotation and pitch angle, and the comfort of users is increased. SUMMARY

[0005] In order to overcome the problem that most armrest structures of seats are relatively simple and fixedly connected with the seat, the height and angle of the armrest are difficult to adjust, and it is difficult to provide a comfortable experience for users of various body types.

[0006] The technical scheme of the utility model is as follows: a multifunctional armrest capable of being electrically lifted, freely rotated and hydraulically flipped, comprising a lower housing, a lifting rod and an adjusting assembly, the adjusting assembly comprising an electric push rod and a circuit board, one side of the lower housing being provided with a hollow pipe, the hollow pipe being fixedly connected with the lower housing and the seat, the inner side of the lower housing being provided with the circuit board, the inner side of the lower housing being provided with the lifting rod, the lifting rod being slidingly and rotatably connected with the lower housing, one side of the lifting rod being provided with the electric push rod, the electric push rod being electrically connected with the circuit board, the upper side of the lifting rod being provided with the upper housing, the upper housing being rotatably connected with the lifting rod, the inner side of the upper housing being provided with a controllable hydraulic gas spring, the controllable hydraulic gas spring being rotatably connected with the lifting rod, one end of the upper housing being provided with a duckbill buckle, the duckbill buckle being rotatably connected with the upper housing.

[0007] Preferably, the two ends of the hollow pipe are provided with connecting keys, the inner side of the lower housing is provided with an armrest joint, the armrest joint is provided with a key groove corresponding to the connecting keys, and the outer side of the hollow pipe is provided with a fixing plate, so that the armrest and the seat are connected and fixed with each other through the fixing plate and bolts.

[0008] Preferably, one side of the upper housing close to the seat is provided with a first control button, the first control button is provided with two groups, one side of the first control button is provided with a second control button, and the side of the lower housing away from the seat is provided with a buzzer, the buzzer, the first control button and the second control button being electrically connected with the circuit board.

[0009] Preferably, the inner side of the lower shell is provided with a support base, the two sides of the support base are provided with base mounting members, the base mounting members are fixedly connected with the lower shell by bolts, one side of the electric push rod is provided with a push rod mounting member, and the push rod mounting member is fixedly connected with the electric push rod and the lower shell by bolts.

[0010] Preferably, a linear bearing is arranged at the connection between the support base and the lifting rod, the bottom of the electric push rod is provided with a telescopic rod, the bottom of the support base is provided with a connecting block, the connecting block is fixedly connected with the telescopic rod, a rotary bearing is arranged at the connection between the connecting block and the lifting rod, and the connecting block is rotatably connected with the lifting rod.

[0011] Preferably, the upper side of the upper shell is provided with a handrail support plate, the upper side of the handrail support plate is provided with a wooden plate, and the upper side of the wooden plate is provided with a sponge pad.

[0012] Preferably, the controllable hydraulic gas spring is provided with a mounting metal block at one end away from the lifting rod, the mounting metal block is rotatably connected with the bill clasp, the mounting metal block is fixedly connected with the handrail support plate, one side of the controllable hydraulic gas spring is provided with a gas spring pull wire, and one end of the gas spring pull wire is fixedly connected with the bill clasp.

[0013] The multifunctional handrail has the advantages that:

[0014] The electric push rod is controlled by the circuit board, and the circuit board can control the electric push rod to drive the lifting rod to move up and down and drive the upper shell to move up and down to adjust the height of the handrail when needed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The multifunctional handrail has the advantages that:

[0016] Figure 2 The multifunctional handrail has the advantages that:

[0017] Figure 3The electric push rod three-dimensional structure diagram of the multifunctional handrail is shown.

[0018] Figure 4 The controllable hydraulic gas spring three-dimensional structure diagram of the multifunctional handrail is shown.

[0019] Mark explanation: 1, hollow pipe; 2, lower shell cover; 3, upper shell cover; 4, lifting rod; 5, electric push rod; 6, circuit board; 7, support base; 8, controllable hydraulic gas spring; 9, duckbill buckle; 101, connecting key; 102, fixed plate; 103, handrail joint; 201, buzzer; 301, first control button; 302, second control button; 501, push rod mounting piece; 502, telescopic rod; 701, linear bearing; 702, base mounting piece; 703, connecting block; 704, rotary bearing; 801, handrail support plate; 802, wooden board; 803, sponge pad; 901, gas spring pull wire; 902, mounting sheet metal block. DETAILED DESCRIPTION

[0020] The utility model is further explained below in combination with the drawings and examples.

[0021] Please refer to Figures 1-4The utility model provides a kind of embodiment: a multifunctional handrail of electrically liftable, rotatable and controllable hydraulic overturning, comprising lower housing 2, lifting rod 4 and adjusting assembly, adjusting assembly includes electric push rod 5 and circuit board 6, one side of lower housing 2 is provided with hollow tube 1, hollow tube 1 is fixedly connected with lower housing 2 and seat, the inside of lower housing 2 is provided with circuit board 6, the inside of lower housing 2 is provided with lifting rod 4, lifting rod 4 is slidably and rotatably connected with lower housing 2, one side of lifting rod 4 is provided with electric push rod 5, electric push rod 5 is electrically connected with circuit board 6, the top of lifting rod 4 is provided with upper housing 3, upper housing 3 is rotatably connected with lifting rod 4, the inside of upper housing 3 is provided with controllable hydraulic gas spring 8, controllable hydraulic gas spring 8 is rotatably connected with lifting rod 4, one end of upper housing 3 is provided with duck-billed clasp 9, duck-billed clasp 9 is rotatably connected with upper housing 3;By setting circuit board 6 to control electric push rod 5, when needed, circuit board 6 can control electric push rod 5 telescopic driving lifting rod 4 up and down movement, to drive the height of upper housing 3 lifting adjustment handrail, lifting rod 4 rotatably connected with lower housing 2 makes that handrail can be rotated in horizontal direction, to adjust the orientation of handrail, when needed, duck-billed clasp 9 can be pulled, so that controllable hydraulic gas spring 8 internal liquid flows, at this time controllable hydraulic gas spring 8 will be elongated without external intervention, so that the angle of handrail moves up to maximum stroke, without loosening duck-billed clasp 9, the end of upper housing 3 far from lifting rod 4 is pressed down, to controllable hydraulic gas spring 8 and make controllable hydraulic gas spring 8 shorten, so that the distal end of upper housing 3 moves downward to adjust the pitch angle of handrail, after angle adjustment, duck-billed clasp 9 can be loosened to complete the fixation of pitch angle.

[0022] Please refer to Figure 1 In the embodiment, the two ends of the hollow tube 1 are provided with connecting keys 101, the inside of the lower housing 2 is provided with a handrail joint 103, the handrail joint 103 is provided with a key groove corresponding to the connecting keys 101, the outside of the hollow tube 1 is provided with a fixed plate 102, and the fixed plate 102 is fixed to the lower housing 2 by bolts; the connecting keys 101 are used to cooperate with the handrail joint 103 to connect the hollow tube 1 and the lower housing 2, and the fixed plate 102 is used to install bolts to connect and fix the hollow tube 1 and the seat.

[0023] Please refer to Figure 2In the embodiment, the upper shell 3 is provided with first control buttons 301 on the side close to the seat, the first control buttons 301 are provided in two groups, the first control buttons 301 are provided with second control buttons 302 on the side, the lower shell 2 is provided with a buzzer 201 on the side away from the seat, the buzzer 201, the first control buttons 301 and the second control buttons 302 are electrically connected with the circuit board 6; the two groups of first control buttons 301 are respectively used for controlling the forward rotation and the reverse rotation of the motor of the electric push rod 5, so as to control the lifting of the armrest, the second control buttons 302 are used for inputting instructions to the circuit board 6 to make the buzzer 201 sound, when the armrest is applied to a medical professional chair, the user can press the second control buttons 302 to make the buzzer sound and the buzzer light flash in an emergency, so as to give a prompt to medical staff.

[0024] Please refer to Figure 3 In the embodiment, the lower shell 2 is provided with a support base 7 on the inner side, the support base 7 is provided with base mounting members 702 on the two sides, the base mounting members 702 are fixedly connected with the lower shell 2 by bolts, the electric push rod 5 is provided with a push rod mounting member 501 on the side, the push rod mounting member 501 is fixedly connected with the electric push rod 5 and the lower shell 2 by bolts, the support base 7 is provided with a linear bearing 701 at the connection with the lifting rod 4, the bottom of the electric push rod 5 is provided with an extendable telescopic rod 502, the bottom of the support base 7 is provided with a connecting block 703, the connecting block 703 is fixedly connected with the telescopic rod 502, the connecting block 703 is provided with a rotary bearing 704 at the connection with the lifting rod 4, and the connecting block 703 is rotationally connected with the lifting rod 4; the base mounting members 702 are used for mounting and fixing the support base 7, the push rod mounting member 501 is used for mounting and fixing the electric push rod 5, the connecting block 703 establishes a connection relationship between the lifting rod 4 and the telescopic rod 502, so that the telescopic rod 502 can drive the lifting rod 4 to move up and down through the connecting block 703 when the telescopic rod 502 moves, the linear bearing 701 can reduce the sliding friction between the lifting rod 4 and the support base 7, and the rotary bearing 704 can reduce the rotating friction between the lifting rod 4 and the connecting block 703.

[0025] Please refer to Figure 4In the embodiment, the upper part of the upper shell 3 is provided with a handrail support plate 801, the upper part of the handrail support plate 801 is provided with a wooden plate 802, the upper part of the wooden plate 802 is provided with a sponge pad 803, the controllable hydraulic gas spring 8 is provided with a mounting sheet metal block 902 at the end away from the lifting rod 4, the mounting sheet metal block 902 is rotationally connected with the bill clasp 9, the mounting sheet metal block 902 is fixedly connected with the handrail support plate 801, one side of the controllable hydraulic gas spring 8 is provided with a gas spring pull wire 901, one end of the gas spring pull wire 901 is fixedly connected with the bill clasp 9; the handrail support plate 801 and the upper shell 3 form a closed shell to protect the internal components, the wooden plate 802 is used for installing the sponge pad 803 to improve the comfort of the handrail, when the bill clasp 9 is pulled, the bill clasp 9 rotates in the mounting sheet metal block 902 and pulls the gas spring pull wire 901, so that the liquid in the controllable hydraulic gas spring 8 moves, and the length of the controllable hydraulic gas spring 8 can be adjusted.

[0026] In use, the user can press different first control buttons 301 to input different instructions to the circuit board 6, so that the motor of the electric push rod 5 rotates forward or reversely, so that the telescopic rod 502 moves up and down and drives the lifting rod 4 to lift through the connecting block 703, so that the upper shell 3 lifts to adjust the height of the handrail, the upper shell 3 can also be directly rotated to adjust the horizontal direction of the handrail, and the bill clasp 9 can also be pulled, the bill clasp 9 rotates in the mounting sheet metal block 902 and pulls the gas spring pull wire 901, so that the liquid in the controllable hydraulic gas spring 8 moves, and the length of the controllable hydraulic gas spring 8 can be adjusted, at this time, the controllable hydraulic gas spring 8 will be elongated without external intervention, so that the angle of the handrail moves upward to the maximum stroke, the end of the upper shell 3 away from the lifting rod 4 can be pressed downward without releasing the bill clasp 9, so as to apply pressure to the controllable hydraulic gas spring 8 and shorten the controllable hydraulic gas spring 8, so that the distal end of the upper shell 3 moves downward to adjust the pitch angle of the handrail, and the pitch angle can be fixed after the bill clasp 9 is released.

[0027] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A multifunctional handrail with electrically powered lifting, freely rotating and controllable hydraulic tilting, comprising a lower housing (2); characterized in that: The lifting rod (4) and the adjusting assembly are further included, the adjusting assembly includes the electric push rod (5) and the circuit board (6), one side of the lower housing (2) is provided with the hollow pipe (1), the hollow pipe (1) is fixedly connected with the lower housing (2) and the seat, the inner side of the lower housing (2) is provided with the circuit board (6), the inner side of the lower housing (2) is provided with the lifting rod (4), the lifting rod (4) is slidably and rotatably connected with the lower housing (2), one side of the lifting rod (4) is provided with the electric push rod (5), the electric push rod (5) is electrically connected with the circuit board (6), the upper side of the lifting rod (4) is provided with the upper housing (3), the upper housing (3) is rotatably connected with the lifting rod (4), the inner side of the upper housing (3) is provided with the controllable hydraulic gas spring (8), the controllable hydraulic gas spring (8) is rotatably connected with the lifting rod (4), one end of the upper housing (3) is provided with the duckbill buckle (9), the duckbill buckle (9) is rotatably connected with the upper housing (3).

2. The multifunctional handrail of claim 1, wherein: Both ends of the hollow pipe (1) are provided with the connecting keys (101), the inner side of the lower housing (2) is provided with the armrest joint (103), the armrest joint (103) is provided with the key groove corresponding to the connecting keys (101), the outer side of the hollow pipe (1) is provided with the fixed plate (102), the armrest and the seat are fixedly connected with each other through the fixed plate (102) and the bolts.

3. The multifunctional handrail of claim 1, wherein: The side of the upper housing (3) close to the seat is provided with the first control button (301), the first control button (301) is provided with two groups, the side of the first control button (301) is provided with the second control button (302), the side of the lower housing (2) away from the seat is provided with the buzzer (201), the buzzer (201), the first control button (301) and the second control button (302) are electrically connected with the circuit board (6).

4. The multifunctional handrail of claim 1, wherein: The inner side of the lower housing (2) is provided with the support base (7), both sides of the support base (7) are provided with the base mounting piece (702), the base mounting piece (702) is fixedly connected with the lower housing (2) through the bolts, one side of the electric push rod (5) is provided with the push rod mounting piece (501), the push rod mounting piece (501) is fixedly connected with the electric push rod (5) and the lower housing (2) through the bolts.

5. The multifunctional handrail of claim 4, wherein: The connecting part of the support base (7) and the lifting rod (4) is provided with the linear bearing (701), the bottom of the electric push rod (5) is provided with the telescopic rod (502), the bottom of the support base (7) is provided with the connecting block (703), the connecting block (703) is fixedly connected with the telescopic rod (502), the connecting part of the connecting block (703) and the lifting rod (4) is provided with the rotary bearing (704), the connecting block (703) is rotatably connected with the lifting rod (4).

6. The multifunctional handrail of claim 1, wherein: The upper side of the upper housing (3) is provided with the armrest support plate (801), the upper side of the armrest support plate (801) is provided with the wooden plate (802), the upper side of the wooden plate (802) is provided with the sponge pad (803).

7. The multifunctional handrail of claim 6, wherein: The controllable hydraulic gas spring (8) is provided with a mounting sheet metal block (902) at one end away from the lifting rod (4), the mounting sheet metal block (902) is rotatably connected with the bill clasp (9), the mounting sheet metal block (902) is fixedly connected with the handrail support plate (801), and one side of the controllable hydraulic gas spring (8) is provided with a gas spring pull wire (901), one end of the gas spring pull wire (901) is fixedly connected with the bill clasp (9).

Images