Wheelchair armrest frame

Abstract

The utility model relates to the technical field of wheelchairs, in particular to a wheelchair armrest frame which comprises a fixed seat and a lifting mechanism, the lifting mechanism comprises a moving handle, a sponge mat, a mounting box, a rotary knob, a transmission assembly, a rotating component, a moving structure and a sliding component, and the moving handle, the mounting box, the rotating component, the moving structure and the sliding component are respectively arranged on the fixed seat. The sponge cushion is fixedly connected with the moving handle, the rotary knob is rotationally connected with the mounting box, the transmission assembly is fixedly connected with the rotary knob, the rotating component is rotationally connected with the transmission assembly, the moving structure is fixedly connected with the rotating component, the other end of the lifting mechanism is fixedly connected with the moving handle, and one end of the sliding component is fixedly connected with the moving handle. The problems that due to the fact that a straight pipe section, an arc pipe section and an inclined pipe section which are of an integrated structure are arranged, the height cannot be adjusted at will, and use is inconvenient are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheelchair technology field especially relates to a wheelchair handrail frame. BACKGROUND

[0002] The handrail frame currently applied to the wheelchair is relatively traditional or relatively complex in structure, part of the handrail frame spare parts is excessive and poor in stability, and the backrest pipe is prone to breakage in the structure without backrest pipe reinforcement, and the conventional wheelchair usually needs to be installed with a guard skirt plate on the handrail frame to prevent clothes from falling into the rear wheel, so that the manufacturing cost is difficult to control.

[0003] To solve the above problems, the prior art CN215689220U provides a wheelchair handrail frame, which comprises a straight pipe section, a circular arc pipe section and an inclined pipe section in an integrated structure, wherein the circular arc pipe section is connected between the straight pipe section and the inclined pipe section, and an included angle is formed between the straight pipe section and the inclined pipe section; the chair handrail frame is in the shape of "7", is fixed on the frame and forms a right-angled triangle shape with the frame, plays a good reinforcing role, and makes the wheelchair more stable and durable; the front end of the handrail is in an open state, reduces the restraint of the thighs under the premise of meeting the use requirements, and makes the experience more natural and comfortable; another wheelchair handrail frame is also disclosed, which is different from the above structure in that a left circular arc pipe section and a closed pipe section are added, the load-bearing performance of the handrail frame and the uniqueness of the appearance are greatly improved, the handrail inclined pipe section is connected with the backrest pipe and the cross beam pipe of the frame, thereby improving the strength of the backrest pipe and making the wheelchair more stable and durable.

[0004] However, in the above-mentioned prior art, since the straight pipe section, the circular arc pipe section and the inclined pipe section are in an integrated structure, the height cannot be adjusted at will, which is inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a wheelchair handrail frame, which solves the technical problem that the height cannot be adjusted at will in the prior art due to the straight pipe section, the circular arc pipe section and the inclined pipe section being in an integrated structure, and is inconvenient to use.

[0006] In order to achieve the above object, the utility model discloses a wheelchair armrest, including fixed seat and lifting mechanism, the lifting mechanism includes mobile handle, sponge pad, installation box, rotation, transmission assembly, rotating part, mobile structure and sliding member, mobile handle, installation box, rotating part, mobile structure and sliding member are arranged on fixed seat respectively, the sponge pad with mobile handle fixed connection lies in the upper end of mobile handle, rotation with Installation box rotation connects and lies in one end of installation box, transmission assembly with rotation fixed connection and lies in one end of rotation, rotating part with transmission assembly rotation connects and lies in one end of transmission assembly, mobile structure with rotating part fixed connection and lies in one end of rotating part, the other end of lifting mechanism with mobile handle fixed connection and lies in one end of mobile handle, one end of sliding member with mobile handle fixed connection and lies in one end of mobile handle.

[0007] Wherein, the transmission assembly includes transmission rod and transmission gear, one end of transmission rod with rotation fixed connection and lies in one end of rotation, the other end of transmission rod with transmission gear fixed connection and lies in one end of transmission gear.

[0008] Wherein, the rotating part includes rotating gear and connecting shaft, connecting shaft with rotating gear fixed connection and lies in one end of rotating gear, rotating gear with transmission gear cooperation.

[0009] Wherein, the mobile structure includes screw rod and moving block, screw rod with rotating gear fixed connection and lies in one end of rotating gear, one end of moving block with screw rod sliding connection and lies in one end of screw rod, the other end of moving block with mobile handle fixed connection and lies in one end of mobile handle.

[0010] Wherein, the sliding member includes sliding block and slide rail, one end of sliding block with slide rail sliding connection and lies in the inside of slide rail, the other end of sliding block with mobile handle fixed connection and lies in one end of mobile handle.

[0011] The utility model discloses a wheelchair handrail frame, mobile handle, installation box, rotating part, mobile structure and sliding member are arranged on the fixed seat respectively, the sponge pad is fixedly connected with mobile handle, and is located the upper end of mobile handle, the twist is rotatably connected with installation box, and is located one end of installation box, the transmission assembly is fixedly connected with twist, and is located one end of twist, the rotating part is rotatably connected with transmission assembly, and is located one end of transmission assembly, the mobile structure is fixedly connected with rotating part, and is located one end of rotating part, the other end of lifting mechanism is fixedly connected with mobile handle, and is located one end of mobile handle, one end of sliding member is fixedly connected with mobile handle, and is located one end of mobile handle, through fixed seat, mobile handle is installed on the wheelchair, when needing to adjust, rotates twist, and twist drives transmission assembly to rotate, and transmission assembly drives rotating part to rotate, and rotating part drives one end of mobile structure to rotate, and the other end of mobile structure drives mobile handle to move through sliding member machine, thereby adjusting the height of mobile handle, and this method can effectively solve the problem of inconvenient use because of setting straight pipe section, circular arc pipe section and inclined pipe section of integral structure. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description briefly introduced, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0013] Figure 1 It is the structure schematic diagram of a wheelchair handrail frame of the utility model.

[0014] Figure 2 It is the side view of a wheelchair handrail frame of the utility model.

[0015] Figure 3 It is the structure section view of A-A line of the utility model's Figure 2 .

[0016] Figure 4 It is the structure schematic diagram of transmission assembly of the utility model.

[0017] Figure 5 It is the structure enlarged view of B of the utility model's Figure 4 .

[0018] 101-Fixed base, 102-Moving handle, 103-Sponge pad, 104-Mounting box, 105-Turn knob, 106-Transmission rod, 107-Transmission gear, 108-Rotating gear, 109-Connecting shaft, 110-Screw, 111-Moving block, 112-Slider, 113-Slide rail. Detailed Implementation

[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0020] Please see Figures 1-5 ,in Figure 1 This is a structural schematic diagram of a wheelchair armrest frame according to this utility model. Figure 2 This is a side view of a wheelchair armrest frame according to this utility model. Figure 3 This is the utility model Figure 2 The structural cross-sectional view of line AA. Figure 4 This is a schematic diagram of the transmission component of this utility model. Figure 5 This is the utility model Figure 4 Enlarged view of the structure at point B.

[0021] This utility model provides a wheelchair armrest frame, including a fixed base 101, a movable handle 102, a sponge pad 103, a mounting box 104, a knob 105, a transmission rod 106, a transmission gear 107, a rotating gear 108, a connecting shaft 109, a screw 110, a movable block 111, a slider 112, and a slide rail 113. The aforementioned solution solves the problem that the height cannot be adjusted arbitrarily due to the use of a straight tube section, an arc tube section, or an inclined tube section with an integrated structure, resulting in inconvenience in use.

[0022] For this specific embodiment, the moving handle 102, the mounting box 104, the rotating component, the moving structure and the sliding member are respectively arranged on the fixing base 101, the sponge pad 103 is fixedly connected with the moving handle 102 and located at the upper end of the moving handle 102, the rotating knob 105 is rotationally connected with the mounting box 104 and located at one end of the mounting box 104, the transmission assembly is fixedly connected with the rotating knob 105 and located at one end of the rotating knob 105, the rotating component is rotationally connected with the transmission assembly and located at one end of the transmission assembly, the moving structure is fixedly connected with the rotating component and located at one end of the rotating component, the other end of the lifting mechanism is fixedly connected with the moving handle 102 and located at one end of the moving handle 102, one end of the sliding member is fixedly connected with the moving handle 102 and located at one end of the moving handle 102, the moving handle 102 is mounted on the wheelchair through the fixing base 101, when adjustment is needed, the rotating knob 105 is rotated, the rotating knob 105 drives the transmission assembly to rotate, the transmission assembly drives the rotating component to rotate, the rotating component drives one end of the moving structure to rotate, the other end of the moving structure drives the moving handle 102 to move through the sliding member, so as to adjust the height of the moving handle 102, thereby facilitating the adjustment of the height of the moving handle 102 and making the use more convenient.

[0023] The transmission assembly comprises a transmission rod 106 and a transmission gear 107, one end of the transmission rod 106 is fixedly connected with the rotating knob 105 and located at one end of the rotating knob 105, the other end of the transmission rod 106 is fixedly connected with the transmission gear 107 and located at one end of the transmission gear 107, the rotating knob 105 drives the transmission gear 107 to rotate through the transmission rod 106.

[0024] Secondly, the rotating component comprises a rotating gear 108 and a connecting shaft 109, the connecting shaft 109 is fixedly connected with the rotating gear 108 and located at one end of the rotating gear 108, the rotating gear 108 cooperates with the transmission gear 107, the transmission gear 107 drives the rotating gear 108 to rotate, and the rotating gear 108 drives the connecting shaft 109 to rotate.

[0025] Meanwhile, the moving structure comprises a screw rod 110 and a moving block 111, one end of the screw rod 110 is fixedly connected with the rotating gear 108 and located at one end of the rotating gear 108, one end of the moving block 111 is slidably connected with the screw rod 110 and located at one end of the screw rod 110, the other end of the moving block 111 is fixedly connected with the moving handle 102 and located at one end of the moving handle 102, the rotating gear 108 drives the screw rod 110 to rotate, and the screw rod 110 drives the moving block 111 to move.

[0026] In addition, the sliding member comprises a sliding block 112 and a sliding rail 113, one end of the sliding block 112 is slidably connected with the sliding rail 113 and located inside the sliding rail 113, the other end of the sliding block 112 is fixedly connected with the moving handle 102 and located at one end of the moving handle 102, and the sliding block 112 is used for connecting the sliding rail 113 and the moving handle 102.

[0027] When the wheelchair armrest is used, the moving handle 102 is installed on the wheelchair through the fixing seat 101, when it is needed to be adjusted, the rotating knob 105 is rotated, the rotating knob 105 drives the transmission gear 107 to rotate through the transmission rod 106, the transmission gear 107 drives the rotating gear 108 to rotate, the rotating gear 108 drives the connecting shaft 109 to rotate, the rotating gear 108 drives the screw rod 110 to rotate, the screw rod 110 drives the moving block 111 to move, the moving block 111 drives the moving handle 102 to move, and the moving handle 102 drives the sliding block 112 to move on the sliding rail 113, so that the height of the moving handle 102 is adjusted, and the height of the moving handle 102 is conveniently adjusted.

[0028] The above only discloses a preferred embodiment of the utility model, and of course cannot limit the scope of the utility model, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the utility model claims still belong to the scope of the utility model.

Claims

1.A wheelchair armrest, comprising a fixed seat, characterized in that, further comprising a lifting mechanism, the lifting mechanism comprises a moving handle, a sponge pad, a mounting box, a rotating knob, a transmission assembly, a rotating part, a moving structure and a sliding member, the moving handle, the mounting box, the rotating part, the moving structure and the sliding member are respectively arranged on the fixed seat, the sponge pad is fixedly connected with the moving handle and located at the upper end of the moving handle, the rotating knob is rotationally connected with the mounting box and located at one end of the mounting box, the transmission assembly is fixedly connected with the rotating knob and located at one end of the rotating knob, the rotating part is rotationally connected with the transmission assembly and located at one end of the transmission assembly, the moving structure is fixedly connected with the rotating part and located at one end of the rotating part, the other end of the lifting mechanism is fixedly connected with the moving handle and located at one end of the moving handle, and one end of the sliding member is fixedly connected with the moving handle and located at one end of the moving handle. 2.The wheelchair armrest of claim 1, characterized in that, the transmission assembly comprises a transmission rod and a transmission gear, one end of the transmission rod is fixedly connected with the rotating knob and located at one end of the rotating knob, and the other end of the transmission rod is fixedly connected with the transmission gear and located at one end of the transmission gear. 3.The wheelchair armrest of claim 2, characterized in that, the rotating part comprises a rotating gear and a connecting shaft, the connecting shaft is fixedly connected with the rotating gear and located at one end of the rotating gear, and the rotating gear is matched with the transmission gear. 4.The wheelchair armrest of claim 3, characterized in that, the moving structure comprises a screw rod and a moving block, the screw rod is fixedly connected with the rotating gear and located at one end of the rotating gear, one end of the moving block is slidingly connected with the screw rod and located at one end of the screw rod, and the other end of the moving block is fixedly connected with the moving handle and located at one end of the moving handle. 5.The wheelchair armrest of claim 4, characterized in that, the sliding member comprises a sliding block and a sliding rail, one end of the sliding block is slidingly connected with the sliding rail and located inside the sliding rail, and the other end of the sliding block is fixedly connected with the moving handle and located at one end of the moving handle.

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