TH22826U - Wheelchair for patients sitting for examination and treatment, height-adjustable using an electrical system. - Google Patents

Abstract

Wheelchair for patients sitting for examination and treatment, eye height adjustable using an electrical system. It has characteristics that include: Positioned at the top of the housing frame (10), there is a chair lift that has a retractable arm. It consists of a first arm (11) and a second arm (12) that are connected together in a cross pattern. The connection point is the first pivot point (1). The lower end of the first arm (11) is connected to the guide rail (40). The first arm (11) is a stationary arm. The lower end of The second arm (12) is connected to the guide rail. (40) where the second arm (12) is a movable arm within the slide rail (40). The first arm (11) and the second arm (12) are a pair opposite each other. The second arm (12) One pair is connected to the rocker arm (50) and acts to push the second arm (12) forward and backward along the length of the slide rail (40). The rocker arm (50) in one position will The opening is a female thread (51). The female thread (51) is attached to a male thread rod (52) and provides a means for the male thread (52) to rotate in and out. Inside the female thread (51), one end of the male thread (52) connects the mechanism to the motor (20) to provide the power to rotate and drive the male thread (52) to rotate in and out inside. Female thread (51)

Claims (10)

1. Wheelchair for patients sitting for examination and treatment, height adjustable using an electrical system. It consists of a frame (10) that looks like a metal frame. Inside there is a compartment for containing the motor (20), battery and electrical equipment that supports the work. The housing frame (10) at the bottom has 4 sections (30) for supporting movement. The chair (60) looks like a patient chair. The standard type has a backrest (61) and a cushion (62). The special feature is Positioned at the top of the housing frame (10), there is a chair lift arm. that has the appearance of an extendable arm, consisting of a first arm (11) and a second arm (12) that are connected together in a cross-shaped way, with the connection point being the first pivot point (1) at the bottom end The first arm (11) is connected to the guide rail (40). The first arm (11) is a stationary arm. The lower end of the second arm (12) is connected to the guide rail. (40) where the second arm (12) is a movable arm within the slide rail (40). The first arm (11) and the second arm (12) are a pair opposite each other. The second arm (12) One pair is connected to the rocker arm (50) and acts as a stabilizer to allow the second pair of arms (12) to move forward and backward along the length of the slide rail (40). Rocker arm (50) position. One will have a female threaded opening (51). The female thread (51) is assembled behind the male threaded rod (52) and has a way for the male thread (52) to rotate in and out. within the female thread (51). One end of the male thread (52) connects the mechanism to the motor (20), etc. The rotating power drives the male thread (52) to rotate in and out within the female thread (51). 2. A wheelchair for medical examination patients can be adjusted in height using an electrical system according to claim 1, wherein the top of the first arm (11) and the second arm (12) are connected to the second arm. Third (13) and Fourth Arm (14) to which Third Arm (13) and Fourth Arm (14) are connected. together like a cross The connection point will be the second pivot point (2). 3. The wheelchair for medical examination is electrically adjustable in height according to claim 1, wherein the lower end of the third arm (13) is connected to the second arm (12) and the point. Connected will be the third pivot point (3). 4. A wheelchair for examination and treatment is electrically adjustable in height according to claim 1, wherein the lower end of the fourth arm (14) is connected to the first arm (11) and the point Connected will be the fourth (4) pivot point. 5. A wheelchair for examination and treatment patients is electrically adjustable in height according to claim 1, wherein the upper ends of the third arm (13) and fourth arm (14) are connected to Chair bottom (60) 6. A wheelchair for medical examination patients can be adjusted in height using an electrical system according to claim 5, wherein the third arm (13) and the fourth arm (14) have a pair opposite each other. 7. A wheelchair for medical examination patients can be adjusted in height using an electrical system according to claim 1, wherein at least one position on the top of the housing frame (10) has a spring (70). Chair support function (60) to create flexibility to reduce impact and determines the stopping position of the chair (60) 8. A wheelchair for patients sitting for examination and treatment can be adjusted in height using an electrical system according to claim 1, wherein the first arm (11), second arm (12), third arm (13) and fourth arm ( 14) There will be a number of horizontal arms (15) to hold a pair of first arm (11), a pair of second arm (12), a pair of third arm (13), and a pair of fourth arm (14). together for strength 9. A wheelchair for patients sitting in for examination and treatment can be adjusted in height using an electrical system according to claim 1, wherein the motor (20) rotates so that the male thread (52) rotates counterclockwise to reverse. The male thread (52) exits the female thread (51). The rocker arm (50) moves forward and drives a second pair of arms (12) to move within the guide rail (40) forward, which is the reduction mechanism. Chair lift arm level 10. Wheelchairs for patients sitting for examination and treatment can be adjusted in height using an electrical system. According to claim 1, wherein the motor (20) rotates the male thread (52) clockwise to push. The male thread (52) meets the female thread (51). The rocker arm (50) moves backward and drives a second pair of arms (12) to move inside the guide rail (40) backwards, which forms the lift-up mechanism. of chair lift arm It has a first pivot point (1), a second pivot point (2), a third pivot point (3), and a fourth pivot point (4) supporting the operating mechanism.