An elderly-friendly bathing device with a displacement buffer mechanism

Abstract

The present invention discloses a bathing device for assisting the elderly with a displacement buffer mechanism, comprising a base, the base comprising a lifting mechanism and a switching mechanism installed in the base, the switching mechanism being divided into a switching switch and a manual end and an automatic end respectively installed at both ends of the switching switch; and a main body brush plate installed on the base, the main body brush plate comprising a lifting platform installed on the lifting mechanism and a displacement buffer mechanism fixed on the lifting platform. The bathing device for assisting the elderly with a displacement buffer mechanism of the present invention can help older elderly people or people with mobility impairments to complete bathing independently, saving time and cost compared to bathing with a caregiver, and is easy to use and simple to understand for users.

Description

Technical Field

[0001] The present invention relates to the technical field of bathing products, in particular to an elderly-friendly bathing device with a displacement buffer mechanism. Background Art

[0002] my country's population is aging, and the number of elderly people is expected to increase in the future. Bathing is an essential part of life, but a machine has long been lacking to replace manual bathing. For many elderly people with increasing mobility issues, independently bathing is a time-consuming and laborious process. Due to their limited limbs, they often fail to properly cleanse areas like their backs, leading to skin diseases. Hiring a caregiver to help the elderly bathe is an option, but bathing is expensive and embarrassing for the elderly, and professionally qualified caregivers are scarce in China. Existing bathing devices primarily improve showerheads to enhance bathing effectiveness. However, no matter how they are modified, they cannot replicate the function of human scrubbing, significantly compromising bathing effectiveness. Furthermore, they cannot provide a personalized, self-cleaning experience for elderly people with mobility issues. Therefore, a machine is needed to replace manual bathing, enabling faster and more effective bathing for the elderly. Summary of the Invention

[0003] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of this application to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions should not be used to limit the scope of the present invention.

[0004] In view of the above problems and / or the problems existing in existing bathing equipment, the present invention is proposed.

[0005] Therefore, the problem to be solved by the present invention is that a bathing device for the elderly with a displacement buffer mechanism is needed to help older elderly people or people with mobility impairments to complete bathing independently.

[0006] To solve the above technical problems, the present invention provides the following technical solutions: a bathing device for elderly people with a displacement buffer mechanism, comprising a base, a lifting mechanism and a switching mechanism installed in the base, the switching mechanism comprising a switching switch and a manual end and an automatic end respectively installed at both ends of the switching switch; and a main body brush plate installed on the base.

[0007] The main brush plate includes a lifting platform installed on the lifting mechanism and a displacement buffer mechanism fixed on the lifting platform;

[0008] The displacement buffer mechanism includes a support plate fixed to the lifting mechanism, a first circular hole is provided in the middle of the support plate, and a plurality of first threaded holes are evenly distributed around the first circular hole. The first motor is mounted on a side of the support plate close to the lifting mechanism, the first motor is fixed through the first threaded hole, and its motor shaft passes through the first circular hole.

[0009] A plurality of second threaded holes are evenly distributed on the edge of the support plate, the number of the second threaded holes being at least three, and a hydraulic buffer is installed in each of the second threaded holes; a universal joint coupling is installed at the front end of the first motor, and a brush plate is installed at the other end of the universal joint coupling, and the back of the brush plate abuts against the hydraulic buffer;

[0010] The lifting mechanism includes a shell installed in the base, a threaded column installed in the shell, and a first telescopic rod installed in cooperation with the threaded column; one end of the shell is provided with a flange and is fixed to the base through the flange; one end of the threaded column is provided with a first gear, and the cylindrical surface of the threaded column is provided with two circles of external threads with opposite rotation directions; the first telescopic rod is divided into two ends, one end is a joint end, and the other end is a lifting end, the lifting end is a round rod, the joint end is a hollow structure and is provided with a rotatable movable joint; the threaded column is fitted inside the joint end, and the movable joint is stuck in the external thread and can move along the external thread;

[0011] The switching switch is mounted on another side of the base, and the switching switch includes a panel, which is divided into an outer side facing the outside of the base and an inner side facing the inside of the base; a movable rod is mounted on the inner side, and a first connecting rod is mounted on both ends of the movable rod, and the other end of the first connecting rod is connected to the second telescopic rod and the third telescopic rod respectively; a movable groove is provided in the middle of the connecting rod, and a groove is provided on the panel, and a circular switch plate is also mounted on the inner side, and a first toggle head and a second toggle head are respectively provided on two sides of the switch plate near the edge; the first toggle head cooperates with the groove, and the second toggle head cooperates with the movable groove;

[0012] The lifting mechanism, switching mechanism, lowering platform and displacement buffer mechanism are all made of non-conductive and corrosion-resistant materials.

[0013] As a preferred solution of the elderly-friendly bathing device with a displacement buffer mechanism described in the present invention, the manual end includes a hand crank and a second telescopic rod connected to the hand crank, and a second gear installed at the other end of the second telescopic rod; the automatic end includes a second motor and a third telescopic rod connected to the second motor, and a third gear is installed at the other end of the third telescopic rod; the hand crank and the second motor are installed on two non-adjacent sides of the base, and the second gear and the third gear can both engage with the first gear.

[0014] As a preferred embodiment of the elderly-friendly bathing device with a displacement buffer mechanism described in the present invention, the switch plate is provided with a socket post, a first boss is provided at one end of the socket post near the switch plate, and a square hole is provided along the axial direction of the socket post. A locking tongue is mounted within the square hole, and a socket hole is provided at one end of the locking tongue. The socket hole and the socket post are matingly connected. The socket hole and the socket post are mounted within an elastic member, which abuts between the square hole and the boss, causing the locking tongue to extend out of the square hole.

[0015] As a preferred solution of the elderly-friendly bathing device with a displacement buffer mechanism described in the present invention, a plurality of lock buckles are installed on the inner side of the panel, and the lock buckles cooperate with the lock tongue.

[0016] As a preferred solution of the elderly-friendly bathing device with a displacement buffer mechanism described in the present invention, the lock includes a pressure plate provided inside, the pressure plate is supported by a second elastic member, and claws are provided on both sides of the pressure plate. The claws are installed between two second bosses and connected to the pressure plate through a second connecting rod.

[0017] As a preferred solution of the elderly-friendly bathing device with a displacement buffer mechanism described in the present invention, several support rods are provided on the base, a second circular hole is provided in the middle of the base, the lifting end of the first telescopic rod passes through the second circular hole, and the lifting platform is cooperatively connected with the support rods and the first telescopic rod.

[0018] The beneficial effects of the present invention are: the present invention can help older elderly people or people with mobility impairments to complete bathing independently, and compared with bathing by a caregiver, it saves time and cost, and is easy to use and understand for users. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort. Among them:

[0020] Figure 1 This is a schematic diagram of the overall assembly of an elderly-friendly bathing device with a displacement buffer mechanism.

[0021] Figure 2 The figure is a structural diagram of the displacement buffer mechanism of an elderly-friendly bathing device containing the displacement buffer mechanism.

[0022] Figure 3 The present invention is a schematic diagram of another scheme of the displacement buffer mechanism of an elderly-friendly bathing device containing the displacement buffer mechanism.

[0023] Figure 4 This is a structural diagram of the lifting mechanism of an elderly-friendly bathing device with a displacement buffer mechanism.

[0024] Figure 5 This is a structural diagram of the switching mechanism of an elderly-friendly bathing device with a displacement buffer mechanism.

[0025] Figure 6 This is a structural diagram of the back of the switch of an elderly-friendly bathing device with a displacement buffer mechanism.

[0026] Figure 7 This is a structural diagram of the front of the switch of an elderly-friendly bathing device with a displacement buffer mechanism.

[0027] Figure 8 This is a schematic diagram of the internal structure of the lock of an elderly-friendly bathing device with a displacement buffer mechanism. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.

[0031] Example 1

[0032] Reference Figures 1 to 3 , which is the first embodiment of the present invention, provides an elderly-assistant bathing device with a displacement buffer mechanism, which can help people with mobility impairments to bathe independently.

[0033] The elderly-friendly bathing device with a displacement buffer mechanism includes a base 100, which includes a lifting mechanism 101 and a switching mechanism 102 installed in the base 100, the switching mechanism 102 is divided into a switching switch 102a and a manual end 102b and an automatic end 102c respectively installed at both ends of the switching switch 102a; and a main body brush plate 200 installed on the base 100, the main body brush plate 200 includes a lifting platform 201 installed on the lifting mechanism 101 and a displacement buffer mechanism 202 fixed on the lifting platform 201.

[0034] Specifically, the displacement buffer mechanism 202 includes a support plate 202a fixed on the lifting mechanism 101, a first circular hole K-1 is provided in the middle of the support plate 202a, and a plurality of first threaded holes K-2 are evenly distributed around the first circular hole K-1. The first motor M-1 is installed on a side of the support plate 202a close to the lifting mechanism 101, and the first motor M-1 is fixed through the first threaded hole K-2 and its motor shaft passes through the first circular hole K-1.

[0035] Furthermore, a number of second threaded holes K-3 are evenly distributed on the edge of the support plate 202a, and the number of the second threaded holes K-3 is at least three, and an oil pressure buffer O is installed in each of the second threaded holes K-3; a universal joint coupling U is installed at the front end of the first motor M-1, and a brush plate 202b is installed at the other end of the universal joint coupling U, and the back of the brush plate 202b is against the oil pressure buffer O; when the brush plate 202b is forced to flip to a certain angle, it can still be driven by the universal joint coupling U. When the force on the brush plate 202b disappears or decreases, the brush plate 202b can immediately rebound to adjust its posture. The structure is simple, but it can realize the function of displacement buffering.

[0036] In this example, refer to Figure 3 , the displacement buffer mechanism 202 can adopt another structure. The brush disc 202b is designed to be cylindrical, and a type of spring is installed at the bottom of the barrel and connected to the middle intermediate disc inside the brush disc 202b. A type of spring is installed on the barrel wall around the brush disc 202b and connected to the surrounding walls of the middle intermediate disc. The middle brush disc is connected to the motor to rotate, and then the torque is transmitted to the brush disc through a number of springs to make it rotate. The displacement is achieved by compressing and stretching the spring connected to the brush disc to achieve the change of its flipping angle and front and rear displacement. However, since the rigidity of the spring connection is too low during rotation, uncontrollable shaking may occur, and after compression, the type one spring will cause the type two spring to deform in the non-axial direction. In addition, this solution is more difficult to process and the effect is not as good as the other solution, so it is not adopted.

[0037] Example 2

[0038] Reference Figures 4 to 8, which is the second embodiment of the present utility model, is based on the previous embodiment, and is different from the previous embodiment in that: an elderly-friendly bathing device with a displacement buffer mechanism also includes a lifting mechanism 101 and a switching mechanism 102. The lifting mechanism 101 can adjust the upper and lower positions of the main brush plate 200, and the switching mechanism 102 can switch the device between manual and automatic.

[0039] Specifically, the lifting mechanism 101 includes an outer shell 101a installed in the base 100, a threaded column 101b installed in the outer shell 101a, and a first telescopic rod 101c installed in cooperation with the threaded column 101b; one end of the outer shell 101a is provided with a flange 101a-1 and is fixed to the base 100 through the flange 101a-1; one end of the threaded column 101b is provided with a first gear 101b-1, and the cylindrical surface of the threaded column 101b is provided with two circles of external threads 101b-2 with opposite rotation directions; the first telescopic rod 101c is divided into two ends, one section is a joint end 101c-1, and the other section is a lifting end 101c-2, the lifting end 101c-2 is a round rod, the joint end 101c-1 is a hollow structure and is provided with a rotatable movable joint T-1; the threaded column 101b is fitted inside the joint end 101c-1, and the movable joint T-1 is stuck in the external thread 101b-2 and can move along the external thread 101b-2.

[0040] Furthermore, the manual end 102b includes a hand crank 102b-1 and a second telescopic rod 102b-2 connected to the hand crank 102b-1, and a second gear 102b-3 installed at the other end of the second telescopic rod 102b-2; the automatic end 102c includes a second motor M-2, a third telescopic rod 102c-1 connected to the second motor M-2, and a third gear 102c-2 installed at the other end of the third telescopic rod 102c-1; the hand crank 102b-1 and the second motor M-2 are installed on two non-adjacent sides of the base 100, and the second gear 102b-3 and the third gear 102c-2 can both engage with the first gear (101b-1). Through the switching mechanism 102, the manual mode can be switched to, and the hand crank 102b-1 is cranked to control the lifting mechanism 101, so that the main brush plate 200 stays in the appropriate position, and then the main brush plate 200 is opened for bathing.

[0041] Regarding the switching structure 101, specifically, the switching switch 102a is installed on the other side of the base 100, and the switching switch 102a includes a panel 102a-1, which divides the two sides of the panel 102a-1 into an outer side W facing the outside of the base 100 and an inner side L facing the inside of the base 100; the inner side L is installed with a movable rod G-1, and the first connecting rod G-2 is installed at both ends of the movable rod G-1, and the other end of the first connecting rod G-2 is respectively connected to the second telescopic rod 102b-2 and the third telescopic rod 102c-1; a movable groove C-1 is provided in the middle of the connecting rod G-2, and a groove C-2 is provided on the panel 102a-1. A circular switch plate 102a-2 is also installed on the inner side L, and a first toggle head T-2 and a second toggle head T-3 are respectively provided on the two sides near the edge of the switch plate 102a-2; the first toggle head T-2 cooperates with the groove C-2, and the second toggle head T-3 cooperates with the movable groove C-1. Turn the first dial head T-2 to adjust the switch between manual and automatic.

[0042] Furthermore, the switch plate 102a-2 is provided with a socket post Z. A first boss B-1 is provided at one end of the socket post Z near the switch plate 102a-2. A square hole K-4 is also provided axially along the socket post Z. A locking tongue S is mounted within the square hole K-4. A socket hole is provided at one end of the locking tongue S. The socket hole and the socket post Z are matingly connected. The socket hole and the socket post Z are mounted within an elastic member I-1. The elastic member I-1 abuts between the square hole K-4 and the boss B-1, allowing the locking tongue S to extend through the square hole (K-4). Several locking latches 102a-3 are mounted on the inner side L of the panel 102a-1. The locking latches 102a-3 engage with the locking tongue S. When adjusted to the proper position, the locking tongue 102a-3 engages with the locking latch 102a-3, securing the switch and preventing it from sliding.

[0043] For details about the lock 102a-3, refer to Figure 8 , including a pressure plate Y provided internally, supported by a second elastic member I-2, and provided with clamping claws P on either side of the pressure plate Y. The clamping claws P are installed between two second bosses B-2 and connected to the pressure plate Y via a second connecting rod G-3. The lock tongue 102a-3 slides downward to press the pressure plate Y. Under the coordinated action of all components, the clamping claws P tighten inward, clamping the lock tongue 102a-3. When the toggle switch 102a is toggled, the lock tongue 102a-3 slides upward, and the clamping claws P release.

[0044] In this embodiment, the materials of each component should be non-conductive and corrosion-resistant materials. The exposed parts should be wrapped with insulating and corrosion-resistant materials as much as possible without affecting the use to avoid problems such as leakage.

[0045] Based on the above, the steps for bathing using the elderly-friendly bathing device with a displacement buffer mechanism of the present invention are as follows:

[0046] 1. Select the desired mode by switching the switch 102a. The manual mode allows you to bathe at a fixed point, while the automatic mode allows you to bathe automatically up and down.

[0047] 2. If the manual mode is selected, turn the hand crank 102b-1 to make the main brush plate 200 stay at the desired position; if the automatic mode is selected, the second motor M-2 drives the lifting mechanism 101 to move up and down repeatedly through the gears for bathing.

[0048] 3. After selecting the mode, turn on the main brush plate 200 through the switch, and the brush plate 202b rotates to perform bathing;

[0049] 4. After bathing, turn off the equipment.

[0050] The present invention can help older elderly people or people with mobility impairments to bathe independently. Compared with bathing by a caregiver, it saves time and cost, and is easy to use and understand for users.

[0051] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structures. Other replacements, modifications, changes, and omissions may be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present invention. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0052] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0053] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will, for those of ordinary skill having the benefit of this disclosure, be a routine undertaking of design, fabrication, and production without undue experimentation.

[0054] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. An elderly-friendly bathing device with a displacement buffer mechanism, characterized in that: include, A base (100) comprises a lifting mechanism (101) and a switching mechanism (102) installed in the base (100), wherein the switching mechanism (102) is divided into a switching switch (102a) and a manual end (102b) and an automatic end (102c) respectively installed at both ends of the switching switch (102a); and a main brush plate (200) installed on the base (100). The main brush plate (200) comprises a lifting platform (201) mounted on the lifting mechanism (101) and a displacement buffer mechanism (202) fixed on the lifting platform (201); The displacement buffer mechanism (202) comprises a support plate (202a) fixed on the lifting mechanism (101), a first circular hole (K-1) is provided in the middle of the support plate (202a), a plurality of first threaded holes (K-2) are evenly distributed around the first circular hole (K-1), a first motor (M-1) is mounted on a side of the support plate (202a) close to the lifting mechanism (101), the first motor (M-1) is fixed via the first threaded hole (K-2), and its motor shaft passes through the first circular hole (K-1); A plurality of second threaded holes (K-3) are evenly distributed on the edge of the support plate (202a), the number of the second threaded holes (K-3) being at least three, and a hydraulic buffer (O) is installed in each of the second threaded holes (K-3); a universal joint coupling (U) is installed at the front end of the first motor (M-1), a brush plate (202b) is installed at the other end of the universal joint coupling (U), and the back of the brush plate (202b) is in contact with the hydraulic buffer (O); The lifting mechanism (101) comprises a housing (101a) installed in the base (100), a threaded column (101b) installed in the housing (101a), and a first telescopic rod (101c) mounted in conjunction with the threaded column (101b); one end of the housing (101a) is provided with a flange (101a-1) and is fixed to the base (100) via the flange (101a-1); one end of the threaded column (101b) is provided with a first gear (101b-1), and a rotation direction is provided on the cylindrical surface of the threaded column (101b). Two opposite circles of external threads (101b-2); the first telescopic rod (101c) is divided into two ends, one end is a joint end (101c-1), and the other end is a lifting end (101c-2); the lifting end (101c-2) is a round rod, the joint end (101c-1) is a hollow structure and is provided with a rotatable movable joint (T-1); the threaded column (101b) is fitted inside the joint end (101c-1), and the movable joint (T-1) is stuck in the external thread (101b-2) and can move along the external thread (101b-2); The switching switch (102a) is mounted on another side of the base (100), and the switching switch (102a) includes a panel (102a-1), and the panel (102a-1) is divided into an outer side (W) facing the outside of the base (100) and an inner side (L) facing the inside of the base (100); a movable rod (G-1) is mounted on the inner side (L), and a first connecting rod (G-2) is mounted on both ends of the movable rod (G-1), and the other end of the first connecting rod (G-2) is connected to the second telescopic rod (102b-2 ), and a third telescopic rod (102c-1); a movable groove (C-1) is provided in the middle of the connecting rod (G-2); a groove (C-2) is provided on the panel (102a-1); a circular switch plate (102a-2) is also installed on the inner side (L); a first toggle head (T-2) and a second toggle head (T-3) are respectively provided on two sides close to the edge of the switch plate (102a-2); the first toggle head (T-2) cooperates with the groove (C-2), and the second toggle head (T-3) cooperates with the movable groove (C-1); The lifting mechanism (101), the switching mechanism (102), the lowering platform (201), and the displacement buffer mechanism (202) are all made of non-conductive and corrosion-resistant materials.

2. The elderly-friendly bathing device with a displacement buffer mechanism according to claim 1, characterized in that: The manual end (102b) comprises a hand crank (102b-1) and a second telescopic rod (102b-2) connected to the hand crank (102b-1), and a second gear (102b-3) mounted on the other end of the second telescopic rod (102b-2); the automatic end (102c) comprises a second motor (M-2), a third telescopic rod (102c-1) connected to the second motor (M-2), and a third gear (102c-2) mounted on the other end of the third telescopic rod (102c-1); the hand crank (102b-1) and the second motor (M-2) are mounted on two non-adjacent sides of the base (100), and the second gear (102b-3) and the third gear (102c-2) can both mesh with the first gear (101b-1).

3. The elderly-friendly bathing device with a displacement buffer mechanism according to claim 1, characterized in that: The switch plate (102a-2) is provided with a sleeve column (Z), and one end of the sleeve column (Z) close to the switch plate (102a-2) is provided with a first boss (B-1). A square hole (K-4) is also provided along the axial direction of the sleeve column (Z). A lock tongue (S) is installed in the square hole (K-4). One end of the lock tongue (S) is provided with a sleeve hole. The sleeve hole and the sleeve column (Z) are mutually matched and connected. The sleeve hole and the sleeve column (Z) are installed in an elastic member (I-1). The elastic member (I-1) is pressed between the square hole (K-4) and the boss (B-1), so that the lock tongue (S) extends out of the square hole (K-4).

4. The elderly-friendly bathing device with a displacement buffer mechanism according to claim 3, characterized in that: A plurality of lock buckles (102a-3) are installed on the inner side (L) of the panel (102a-1), and the lock buckles (102a-3) cooperate with the lock tongue (S).

5. The elderly-friendly bathing device with a displacement buffer mechanism according to claim 4, characterized in that: The lock buckle (102a-3) includes a pressure plate (Y) provided inside, the pressure plate (Y) is supported by a second elastic member (I-2), and clamping claws (P) are provided on both sides of the pressure plate (Y), the clamping claws (P) are installed between two second bosses (B-2) and are connected to the pressure plate (Y) through a second connecting rod (G-3).

6. The elderly-friendly bathing device with a displacement buffer mechanism according to any one of claims 1 to 5, characterized in that: A plurality of support rods (G-4) are provided on the base (100), a second circular hole (K-5) is provided in the middle of the base (100), a lifting end (101c-2) of the first telescopic rod (101c) passes through the second circular hole (K-5), and the lifting platform (201) is cooperatively connected with the support rods (G-4) and the first telescopic rod (101c).

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