A toilet assisting device

Abstract

The present invention discloses a toilet auxiliary power device, comprising a base, a seat plate and a retractable push rod fixedly arranged on both sides of the base, the seat plate is hinged to the movable end of the push rod on both sides, and a rotation support mechanism is arranged between the seat plate and the push rod on both sides of the seat plate; the rotation support mechanism comprises a short rod and a long rod, one end of the short rod is hinged to the movable end of the push rod, and the other end is hinged to the middle part of the long rod, one end of the long rod is hinged to the support on the fixed part of the push rod, and the other end is hinged to a slider, and guide grooves are arranged on both sides of the seat plate, and the slider is arranged in the guide groove to form a moving pair with the guide groove, and a two-stage crank slider mechanism is formed between the short rod, the long rod, the seat plate and the push rod. The present invention combines the principle of ergonomics, and during its action, it imitates the movement of the lower limbs of the human body, fits the path of the human body to sit up, and provides a full-range boosting force in the process, which can well solve the problem of inconvenience in sitting up for people with knee pain, degeneration and other sitting-up fatigue.

Description

Technical Field

[0001] The present invention relates to the field of life-assisting equipment, and in particular to a toilet-assisting device capable of assisting a human body in sitting up. Background Art

[0002] As we all know, legs are an important part of the human body. Various complex movements, such as walking and sitting up, are completed through the knee joint structure. However, for people who are weak in sitting up due to aging and degeneration of knee joints and limbs or other special reasons, simple daily routines such as going to the toilet and taking a bath often give them headaches. In order to improve the quality of life of such people and reduce the burden on their families, a chair that can automatically assist the human body to sit up is urgently needed to be developed.

[0003] At present, the auxiliary rising seats in the current technology, such as the fully automatic sitting-up assist device in patent document CN201510192873.1, use a push rod to raise and lower the chair surface to fit the human body; but the electric motor and lifting hydraulic cylinder that provide power for the push rod have high manufacturing costs and complex structures. The rotation angle of the seat plate depends on the movement stroke of the lifting device, so the requirements for the lifting device are high and it is not comfortable to use.

[0004] Patent document CN201320402970.5 discloses a multifunctional sit-up assist machine, which has a simple structure and only requires the seat plate to be mounted on a vertical support rod, with partial support provided by the armpit support rod, and has a low cost. However, the device only supports the whole body through the armpits, and has extremely poor comfort, so it is not suitable for a wide range of people with fatigue.

[0005] Patent document CN201420186203.X discloses a toilet assistance device for patients with leg injuries, which uses a hydraulic rod to push the seat surface to make it rise and fall in accordance with the human body, thereby assisting the user in using the toilet. However, its use is too limited, and it must be fixedly installed on the toilet. In addition, the seat surface and the support rod are in line contact, which results in poor reliability and a high risk of tilting forward and backward.

[0006] Patent document CN201410537912.2 discloses a wheelchair with a toilet assisting device. The device is provided with a lifting unit for lifting a person and a pull plate, and can realize the automation of the entire toileting process. However, the entire device is designed based on a wheelchair, cannot be folded and stored, occupies a large space, and affects the use of others. Summary of the invention

[0007] In view of the problems existing in the prior art such as complex structure, single function and large space occupation, the present invention provides a toilet auxiliary assisting device to solve the problem of inconvenience in sitting up and down for people with knee pain, degeneration and other reasons when sitting up and down during similar toileting processes.

[0008] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:

[0009] A toilet assisting device comprises a base, a seat plate and retractable push rods fixedly arranged on both sides of the base, the seat plate is hinged to the movable ends of the push rods on both sides, and a rotation support mechanism is arranged between the seat plate and the push rods on both sides of the seat plate;

[0010] The rotating support mechanism includes a short rod and a long rod, one end of the short rod is hinged to the movable end of the push rod, and the other end is hinged to the middle part of the long rod, one end of the long rod is hinged to the pillar on the fixed part of the push rod, and the other end is hinged to be provided with a slider, and guide grooves are respectively provided on both sides of the seat plate, the sliders are cooperatively arranged in the guide grooves to form a moving pair with the guide grooves, and a two-stage crank slider mechanism is formed between the short rod, the long rod, the seat plate and the push rod, wherein a first-stage crank slider mechanism is formed between the push rod, the long rod and the short rod through the telescopic movement of the push rod, and another-stage crank slider mechanism is formed between the seat plate, the long rod and the short rod through the slider and the guide groove.

[0011] In the above technical solution, further, the long rod is an arc-shaped rod with a certain curvature.

[0012] In the above technical solution, further, the support column is located at a rear side of the push rod fixing portion.

[0013] In the above technical solution, further, a certain angle is formed between the surface of the seat plate and the plane where the guide groove is located, so that when the seat plate is in the stored state and the seat plate overlaps with the push rod, a certain angle is formed between the short rod and the push rod.

[0014] In the above technical solution, further, the push rod adopts a three-section electric push rod.

[0015] In the above technical solution, further, the movable ends of the push rods are respectively provided with armrest core shafts, the armrest core shafts are respectively sleeved with armrest shells, which are respectively a left armrest shell and a right armrest shell, the armrest shells are slidably connected with the armrest core shafts, and the upper ends of the armrest shells are respectively provided with armrests, which are respectively a left armrest and a right armrest;

[0016] A first transmission mechanism is provided between the seat plate and the armrest shells on both sides, the first transmission mechanism comprising a gear transmission assembly and a cam assembly, the cam assembly comprising two cams respectively arranged on both sides of the seat plate, namely a left cam and a right cam, the cams being located below the armrest shells and supporting the armrest shells respectively; the cams are rotationally connected to the armrest spindle, the cams are driven to rotate by the gear transmission assembly when the seat plate rotates, and the armrest shells are driven to move up and down along the armrest spindle when the cams rotate;

[0017] A second transmission mechanism is arranged between the armrest shell and the armrest core shaft, and the second transmission mechanism includes a guide pin arranged on the armrest shell and a spiral groove arranged on the armrest core shaft, and the guide pin is cooperatedly arranged in the spiral groove. When the armrest shell moves up and down along the armrest core shaft, the armrest shell can rotate along the armrest core shaft under the action of the second transmission mechanism.

[0018] In the above technical solution, further, the left cam and the right cam rotate synchronously to form a conjugate cam structure, and the push stroke and return stroke of the left cam and the right cam are conjugate and complementary, so that during the synchronous rotation of the left cam and the right cam, the left armrest shell and the right armrest shell move in opposite directions.

[0019] In the above technical solution, further, when the guide pin moves from one end to the other end of the spiral groove, the left armrest shell and the right armrest shell rotate 90°.

[0020] In the above technical solution, further, the gear transmission assembly includes a first gear set respectively arranged on both sides of the base plate, the first gear set includes an internal gear, an intermediate gear and an external gear fixedly connected to the base plate, the intermediate gear is arranged between the internal gear and the external gear, and is respectively meshed with the internal gear and the external gear;

[0021] The outer gear is arranged on the hinge shafts on both sides of the seat plate, the cams are fixedly arranged on the hinge shafts on both sides respectively, and the intermediate gear is arranged on the armrest core shaft through the gear shaft and is rotationally connected with the armrest core shaft.

[0022] In the above technical solution, further, a compression spring is sleeved on the armrest core shaft above the armrest.

[0023] The beneficial effects of the present invention are:

[0024] 1) The present invention adopts a two-stage crank slider mechanism, which drives the seat plate to rotate while driving the seat plate to rise and fall by a push rod, thereby realizing the composite linkage of the seat plate rising and falling and the rotation, thereby simulating the human body's sitting-up path and providing a boosting force for the human body's sitting-up movement.

[0025] 2) The present invention drives the armrest to rotate in the horizontal direction by rotating the seat plate in the vertical direction, so that the seat plate is folded away and the armrest is automatically folded away when standing up, thereby reducing the space occupied by the device.

[0026] 3) The present invention combines the principles of ergonomics, imitates the movement of the lower limbs of the human body, fits the path of the human body to sit up, and provides a full-length boosting force in the process, which can effectively solve the problem of inconvenience in sitting up for people with knee pain, degeneration and other sitting-up fatigue.

[0027] 4) The present invention adopts a two-stage crank slider mechanism to achieve assistance to the human body in sitting up and folding and storage of the device. The transmission is stable and reliable, which improves the comfort during use, and has a simple structure and convenient operation and control. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the structure of the device of the present invention in the storage state.

[0029] Figure 2 This is a structural side view of the device of the present invention during the unfolding process.

[0030] Figure 3 It is a schematic diagram of the structure of the device of the present invention in an expanded state.

[0031] Figure 4 It is a structural schematic diagram of the seat plate and armrests of the device of the present invention in the stored state.

[0032] Figure 5 It is a schematic structural diagram of the first transmission mechanism and the second transmission mechanism in the device of the present invention.

[0033] In the figure: 101, base, 102, seat plate, 103, push rod, 104, short rod, 105, long rod, 106, slider, 107, guide groove, 108, hinge shaft, 109, compression spring, 110, push rod sleeve, 111, cross beam, 112, pillar;

[0034] 201, armrest, 211, left armrest, 212, right armrest;

[0035] 301, handrail mandrel;

[0036] 401, cam, 411, left cam, 412, right cam;

[0037] 501, internal gear, 502, intermediate gear, 503, external gear, 504, gear shaft;

[0038] 601, spiral groove, 602, guide pin;

[0039] 701, armrest shell, 711, left armrest shell, 712, right armrest shell. DETAILED DESCRIPTION

[0040] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0041] Embodiment 1

[0042] like Figures 1 to 3As shown, the toilet assisting device in this embodiment includes a base 101, a seat plate 102 and retractable push rods 103 fixedly arranged on both sides of the base, the seat plate 102 is hinged to the movable ends of the push rods 103 on both sides, and a rotating support mechanism is respectively arranged between the seat plate 102 and the push rods 103 on both sides of the seat plate.

[0043] The rotation support mechanism in this embodiment includes a short rod 104 and a long rod 105, one end of the short rod 104 is hinged to the movable end of the push rod 103, and the other end is hinged to the middle part of the long rod 105, one end of the long rod 105 is hinged to the pillar 112 on the fixed part of the push rod 103, and the other end is hinged to a slider 106, and guide grooves 107 are respectively provided on both sides of the seat plate, and the slider 106 is cooperatively arranged in the guide groove 107 to form a moving pair with the guide groove 107, and a two-stage crank slider mechanism is formed between the short rod 104, the long rod 105, the seat plate 102 and the push rod 103, wherein a first-stage crank slider mechanism is formed between the push rod 103, the long rod 105 and the short rod 104 through the telescopic movement of the push rod, and another-stage crank slider mechanism is formed between the seat plate 101, the long rod 105 and the short rod 104 through the slider 106 and the guide groove 107.

[0044] In this embodiment, a two-stage crank slider mechanism is adopted, which provides power through the telescopic movement of the push rod to drive the seat plate to rise. At this time, the crank slider mechanism composed of the push rod, long rod and short rod is in motion, and the hinge point between the push rod and the short rod drives the short rod to move, and the short rod drives the long rod to rotate; at the same time, the other stage crank slider mechanism composed of the seat plate, long rod and short rod is in motion, and the slider connected to the end of the long rod slides in the guide groove on the side of the seat plate, driving the seat plate to rotate, so that the position of the seat plate changes; the seat plate is raised and rotated at the same time, and the whole process realizes the simulation of the human body's sitting-up path, provides the user with a boosting force for sitting up, helps the user to complete the sitting-up action, and at the same time realizes the folding and storage of the seat plate to save space.

[0045] The long rod 105 in the device is an arc-shaped rod with a certain curvature, so that when it drives the seat plate, the seat plate has a sufficient movement height when a person sits up, and the seat plate can be quickly folded and stored when the seat plate is stored.

[0046] The support 112 on the fixed part of the push rod 103 is arranged at the rear side of the fixed part of the push rod, so that when the seat plate 102 moves to the storage state, the hinge points in the crank slider mechanism can be prevented from being located on the same straight line, thereby preventing the dead point problem, thereby ensuring the stability and reliability of the crank slider mechanism during operation.

[0047] The surface of the seat plate 102 is at a certain angle relative to the plane where the guide groove is located, so that when the seat plate is in the stored state and the seat plate overlaps with the push rod, a certain angle is formed between the short rod 104 and the push rod 103. In this way, the crank slider mechanism can avoid dead angles during movement, which is convenient for storage and deployment of the device.

[0048] The push rod 103 in this embodiment can adopt an existing electric push rod or other structural member that can realize the telescopic function. Preferably, a three-section electric push rod is adopted to increase the movement stroke of the push rod.

[0049] The operation process is described in conjunction with the chair in this embodiment, taking assisting standing up as an example:

[0050] 1) In the initial state, the control switch of the push rod is pressed, the push rod is shortened, and the long rod is driven to rotate through the short rod. The slider at the end of the long rod cooperates with the guide groove to drive the seat plate to rotate upward and extend forward; after reaching a certain position, the user sits on the seat plate and descends with the seat plate to complete the sitting action;

[0051] 2) When it is necessary to sit up, press the control switch of the push rod, the push rod extends, and the short rod drives the long rod to rotate. The slider at the end of the long rod cooperates with the guide groove to drive the seat plate to rotate, so that the seat plate rises and rotates at the same time. At this time, the seat plate provides auxiliary thrust for the user to sit up, helping the user to complete the sitting action;

[0052] 3) The push rod continues to move to complete the storage operation of the seat plate and the armrest, thereby realizing the storage of the device and reducing the space occupied.

[0053] Embodiment 2

[0054] The difference between this embodiment and the first embodiment is that in this embodiment, the armrest can be stored and folded at the same time as the seat plate is stored, as follows:

[0055] like Figure 4 and 5 As shown, in this embodiment, an armrest core shaft 301 is respectively provided on the movable end of the push rod, and an armrest shell 701 is respectively sleeved on the armrest core shaft 301, which are a left armrest shell 711 and a right armrest shell 712 respectively. The armrest shell 701 is slidably connected with the armrest core shaft 301, and an armrest 201 is respectively provided on the upper end of the armrest shell 701, which are a left armrest 211 and a right armrest 212 respectively.

[0056] A first transmission mechanism is provided between the seat plate 102 and the armrest housings 701 on both sides, the first transmission mechanism comprising a gear transmission assembly and a cam assembly, the cam assembly comprising two cams 401 respectively provided on both sides of the seat plate, namely a left cam 411 and a right cam 412, the cams 401 being located below the armrest housing 701 and supporting the armrest housing 701. The cams 401 are rotationally connected to the armrest spindle 301, the cams are driven to rotate through the gear transmission assembly when the seat plate rotates, and the cams drive the armrest housing to move up and down along the armrest spindle when the cams rotate.

[0057] The gear transmission assembly in this embodiment includes a first gear set respectively arranged on both sides of the seat plate, the first gear set includes an inner gear 501, an intermediate gear 502 and an outer gear 503 fixedly connected to the seat plate, the intermediate gear 502 is arranged between the inner gear 501 and the outer gear 503, and meshes with the inner gear and the outer gear respectively; the outer gear 503 is arranged on the hinge shaft 108 between the seat plate and the armrest core shaft, the cam 401 is respectively fixedly arranged on the hinge shaft 108 on both sides, the intermediate gear 502 is arranged on the armrest core shaft 301 through the gear shaft 504, and is rotatably connected with the armrest core shaft 301. When the seat plate rotates, the inner gear connected to the seat plate rotates, the rotation of the inner gear drives the rotation of the intermediate gear, and the rotation of the intermediate gear drives the rotation of the outer gear; since the outer gear and the cam are both fixedly connected to the hinge shaft, the cam is driven to rotate through the hinge shaft, thereby realizing the driving of the cam.

[0058] The inner gear 501 in the first gear set is a sector-shaped inner gear with a larger diameter, and the diameter of the intermediate gear 502 is smaller than the diameter of the outer gear 503, so that the first gear set forms a speed-increasing gear set. According to the working profile surface and movement stroke of the cam, the transmission ratio of the first gear set is set to be approximately 1:3.

[0059] In this embodiment, the length of the left armrest shell 711 is greater than that of the right armrest shell 712, and the left cam 411 and the right cam 412 rotate synchronously to form a conjugate cam structure. The push stroke and return stroke of the left cam 411 and the right cam 412 are conjugate and complementary, so that when the left cam and the right cam rotate synchronously, the left armrest shell 711 and the right armrest shell 712 move in opposite directions to avoid interference caused by relative rotation between the armrests during the storage or deployment process, thereby affecting the storage function of the armrests.

[0060] When the seat plate 102 is set in the horizontal direction, the armrest is in a fully expanded state, the support point between the left cam 411 and the left armrest shell 711 is located at the minimum arc radius of the left cam, and the support point between the right cam 412 and the right armrest shell 712 is located at the maximum arc radius of the right cam. The difference in arc radius between the two cams and the corresponding armrest shell support points is exactly equal to the height difference between the two armrest shells, so that the armrests on the left and right sides are at the same height when expanded.

[0061] When the seat plate 102 is set in a vertical direction, the armrest is in a fully retracted state, the support point between the left cam and the left armrest shell is located at the maximum arc radius of the left cam, and the support point between the right cam and the right armrest shell is located at the minimum arc radius of the right cam, so that the armrests on the left and right sides are staggered and arranged side by side.

[0062] At the same time, in order to further avoid the collision and interference caused by the relative rotation of the armrests during the storage process, the structures of the left cam and the right cam are optimized here, so that the conjugate left cam and the right cam are in the synchronous rotation process, and the action process of the armrest from the unfolded state to the stored state is: The action in the process includes the following process, so as to avoid the collision and interference caused by the relative rotation of the armrests during the storage process; the details are as follows:

[0063] Taking the initial phase of the left cam and the right cam in the fully extended state of the armrest as a reference, when the left cam and the right cam rotate synchronously by a certain angle, the left armrest shell and the right armrest shell remain stationary;

[0064] The left cam and the right cam continue to rotate at a certain angle, and the left cam enters the push stroke, pushing the left armrest shell up, while the right armrest shell remains stationary;

[0065] The left cam and the right cam continue to rotate at a certain angle, the left armrest shell rises and moves to the uppermost position, and the right armrest shell falls at the same time;

[0066] The left cam and the right cam continue to rotate at a certain angle, the left armrest shell remains stationary, and the right armrest shell drops and moves to the lowest position;

[0067] The left cam and the right cam continue to rotate at a certain angle, and the left armrest shell and the right armrest shell remain stationary.

[0068] Preferably, a push rod sleeve 110 is provided between the cam 401 and the armrest housing 701, the push rod sleeve 110 is movably sleeved on the armrest core shaft 301, and a flange end face is provided at the lower end of the push rod sleeve 110, and the flange end face is provided on the cam 401. When the cam rotates, it contacts the flange end face of the push rod sleeve, and the armrest housing is pushed to move through the push rod sleeve.

[0069] A second transmission mechanism is provided between the armrest housing 701 and the armrest core shaft 301. When the armrest housing moves up and down along the armrest core shaft, the armrest housing can rotate along the armrest core shaft under the action of the second transmission mechanism. Specifically, in this embodiment, the second transmission mechanism includes a guide pin 602 provided on the armrest housing and a spiral groove 601 provided on the armrest core shaft, and the guide pin 602 is cooperatively provided in the spiral groove 601. When the armrest housing moves up and down, the armrest housing rotates along the spiral groove under the cooperative guiding action of the guide pin and the spiral groove. By providing the groove structure of the spiral groove, the rotation angle and movement process of the armrest housing can be set.

[0070] Under the action of the spiral groove and the guide pin, when the guide pin 602 moves from one end of the spiral groove 601 to the other end, the left armrest shell 700 and the right armrest shell 712 rotate 90°. Specifically, in this embodiment, when the armrest is in a fully unfolded state, the guide pin on the left armrest shell is located at the lower end of the corresponding spiral groove; the guide pin on the right armrest shell is located at the upper end of the corresponding spiral groove. During the storage process of the armrest, the left armrest shell moves upward under the action of the left cam, and the left armrest shell rotates toward the right direction while rising. When the guide pin moves to the uppermost end of the spiral groove, the left armrest rotates 90°; the right armrest shell moves downward under the action of the right cam, and the right armrest shell rotates toward the left direction while descending. When the guide pin moves to the lowermost end of the spiral groove, the right armrest rotates 90°, and the left and right armrests are in a storage state where they are staggered and arranged side by side; the armrest deployment process is opposite to the above process, which will not be repeated here.

[0071] In this embodiment, a compression spring 109 is sleeved on the armrest core shaft 301 above the armrest 201, and a cross beam 111 can be set at the upper ends of the two armrest core shafts 301. One end of the compression spring 109 rests on the cross beam 111, and the other end rests on the armrest 201; when the cam makes a return motion, the compression spring provides a thrust for the armrest shell to move downward, thereby ensuring the reliability of the armrest shell during the movement.

[0072] The specification and drawings of the present invention are considered to be illustrative rather than restrictive. On the basis of the present invention, those skilled in the art can make some substitutions and modifications to some of the technical features according to the disclosed technical content without creative labor, all of which are within the protection scope of the present invention.

Claims

1. A toilet assisting device, characterized in that: It comprises a base, a seat plate and retractable push rods fixedly arranged on both sides of the base, the seat plate is hinged to the movable ends of the push rods on both sides, and a rotation support mechanism is arranged between the seat plate and the push rods on both sides of the seat plate; The rotating support mechanism comprises a short rod and a long rod, one end of the short rod is hinged to the movable end of the push rod, and the other end is hinged to the middle part of the long rod, one end of the long rod is hinged to the pillar on the fixed part of the push rod, and the other end is hinged to be provided with a slider, and guide grooves are respectively provided on both sides of the seat plate, and the sliders are cooperatively arranged in the guide grooves to form a moving pair with the guide grooves, and a two-stage crank slider mechanism is formed between the short rod, the long rod, the seat plate and the push rod, wherein a first-stage crank slider mechanism is formed between the push rod, the long rod and the short rod through the telescopic movement of the push rod, and another-stage crank slider mechanism is formed between the seat plate, the long rod and the short rod through the slider and the guide groove; The push rod adopts a three-section electric push rod; The movable ends of the push rods are respectively provided with armrest core shafts, and the armrest core shafts are respectively sleeved with armrest shells, which are respectively a left armrest shell and a right armrest shell. The armrest shells are slidably connected with the armrest core shafts, and the upper ends of the armrest shells are respectively provided with armrests, which are respectively a left armrest and a right armrest; A first transmission mechanism is provided between the seat plate and the armrest shells on both sides, the first transmission mechanism comprising a gear transmission assembly and a cam assembly, the cam assembly comprising two cams respectively arranged on both sides of the seat plate, namely a left cam and a right cam, the cams being located below the armrest shells and supporting the armrest shells respectively; the cams are rotationally connected to the armrest spindle, the cams are driven to rotate by the gear transmission assembly when the seat plate rotates, and the armrest shells are driven to move up and down along the armrest spindle when the cams rotate; A second transmission mechanism is arranged between the armrest shell and the armrest core shaft, and the second transmission mechanism includes a guide pin arranged on the armrest shell and a spiral groove arranged on the armrest core shaft, and the guide pin is cooperatedly arranged in the spiral groove. When the armrest shell moves up and down along the armrest core shaft, the armrest shell can rotate along the armrest core shaft under the action of the second transmission mechanism.

2. The toilet assisting device according to claim 1, characterized in that: The long rod is an arc-shaped rod with a certain curvature.

3. The toilet assisting device according to claim 2, characterized in that: The support column is located at the rear side of the push rod fixing portion.

4. The toilet assisting device according to claim 1, characterized in that: A certain angle is formed between the surface of the seat plate and the plane where the guide groove is located, so that when the seat plate is in the stored state and the seat plate overlaps with the push rod, a certain angle is formed between the short rod and the push rod.

5. The toilet assisting device according to claim 1, characterized in that: The left cam and the right cam rotate synchronously to form a conjugate cam structure. The push stroke and return stroke of the left cam and the right cam are conjugate and complementary, so that when the left cam and the right cam rotate synchronously, the left armrest shell and the right armrest shell move in opposite directions.

6. The toilet assisting device according to claim 5, characterized in that: When the guide pin moves from one end of the spiral groove to the other end, the left armrest shell and the right armrest shell rotate 90 degrees.

7. The toilet assisting device according to claim 1, characterized in that: The gear transmission assembly comprises a first gear set respectively arranged on both sides of the base plate, the first gear set comprises an inner gear, an intermediate gear and an outer gear fixedly connected to the base plate, the intermediate gear is arranged between the inner gear and the outer gear, and meshes with the inner gear and the outer gear respectively; The outer gear is arranged on the hinge shafts on both sides of the seat plate, the cams are fixedly arranged on the hinge shafts on both sides respectively, and the intermediate gear is arranged on the armrest core shaft through the gear shaft and is rotationally connected with the armrest core shaft.

8. The toilet assisting device according to claim 1, characterized in that: A compression spring is sleeved on the armrest core shaft and located above the armrest.

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