Service equipment for public old building

Abstract

The invention aims to provide the service equipment for the public old building, the service equipment can assist the middle-aged and old people and patients with mobility disorder to pass in a public area, the equipment is simple in structure, low in cost and suitable for wide popularization, and the equipment is arranged in the building group in the public area so as to realize full coverage of the requirements of the middle-aged and old people.

Description

Technical Field

[0001] The invention relates to the field of elderly buildings, and more specifically to a service device used in public elderly buildings. Background Art

[0002] With the rapid development of modern industry, many applications have been implemented in the field of elderly buildings in combination with existing scientific and technological technologies. However, existing public buildings have few equipment for convenient services for middle-aged and elderly people, which is not conducive to the safe activities of the elderly group.

[0003] For example: CN221635183U, a hand-held crutch, the utility model discloses a hand-held crutch, specifically relates to the technical field of crutch, including: two crutch bodies, the bottom ends of the two crutch bodies are both installed with anti-skid pads; two adjustment components, used to stably connect the two crutch bodies, each of the adjustment components includes a second connecting block and a first connecting block installed on one side of the crutch body, one end of the first connecting block is fixed with a stabilizing plate, and the second connecting block is provided with a connecting component that stabilizes the stabilizing plate; the utility model can achieve stable walking of the elderly on icy roads through the setting of the adjustment component, thereby solving the problem that when the existing spikes pierce the icy road surface, the elderly need to pull them out every time they walk, which accelerates the physical consumption of the elderly, causing the center of gravity between the elderly and the crutch rod to shift and fall, effectively improving the safety of the elderly walking and facilitating the use of the elderly. The utility model mainly makes corresponding structural changes for anti-skid on ice surfaces, and the function is relatively single, which is not conducive to popularization.

[0004] For example: CN221711386U, a protective crutch for the elderly, the utility model discloses a protective crutch for the elderly, and relates to the technical field of crutches. It includes a crutch body, the upper end of the crutch body is detachably fixedly mounted with a handle, the surface of the crutch body is slidably sleeved with a warming cover, the warming cover is wrapped and arranged on the surface of the handle, one side of the warming cover is provided with a mother-and-child buckle, the top of the warming cover is provided with a sleeve opening, and the sleeve opening is located above the handle; by separating the child buckle and the mother buckle of the mother-and-child buckle, and then sleeve the bottom of the warming cover on the surface of the crutch body, and after wrapping the handle, the child buckle and the mother buckle of the mother-and-child buckle are re-fastened, so that the elderly can pass their hands through the sleeve opening and hold the handle, and then use the warming cover to protect their hands from wind and warmth, prevent freezing, and effectively improve the use experience of the crutch body. The utility model mainly makes corresponding structural changes for warmth preservation, and the function is relatively single, which is not conducive to popularization. Summary of the invention

[0005] The purpose of the present invention is to provide a service equipment for public elderly buildings, which can assist middle-aged and elderly people and patients with mobility impairments to pass through public areas. The equipment has a simple structure and low cost, and is suitable for wide popularization. By arranging this equipment in buildings in public areas, full coverage of the needs of middle-aged and elderly people can be achieved.

[0006] The purpose of the present invention is achieved through the following technical solutions:

[0007] A service device for public elderly buildings, characterized in that it includes a service base station, a support device, a drive device, and a pulley device, wherein the service base station is connected to the support device, and the support device is connected to the drive device and the pulley device.

[0008] As a further optimization of the technical solution, the present invention provides a service equipment for public elderly buildings, wherein the service base station includes a frame, an anti-collision foot support A, an anti-collision foot support B, a partition A, a partition B, a magnetic bracket A, a magnetic bracket B, and a magnetic bracket C, wherein the anti-collision foot support A, the anti-collision foot support B, the partition A, the partition B, the magnetic bracket A, the magnetic bracket B, and the magnetic bracket C are all fixedly connected to the frame.

[0009] As a further optimization of the technical solution, the present invention provides a service equipment for public elderly buildings, wherein the supporting device includes a vertical bracket, a cover plate, a handle bracket, a handle, a magnetic block fixing bracket A, a magnetic block A, a magnetic block fixing bracket B, a magnetic block B, a magnetic block fixing bracket C, a magnetic block C, a gear A, a gear B, and a horizontal handle, wherein the cover plate, the handle bracket, the magnetic block fixing bracket A, the magnetic block fixing bracket B, and the magnetic block fixing bracket C are all fixedly connected to the vertical bracket, the handle bracket is fixedly connected to the handle, the magnetic block fixing bracket A is fixedly connected to the magnetic block A, the magnetic block fixing bracket B is fixedly connected to the magnetic block B, the magnetic block fixing bracket C is fixedly connected to the magnetic block C, the gear A and the gear B are both rotatably connected to the vertical bracket, the gear A is meshed with the gear B, and the gear B is fixedly connected to the horizontal handle.

[0010] As a further optimization of the technical solution, the present invention provides a service equipment for public elderly buildings, wherein the driving device comprises a U-shaped bracket, an axle seat A, an axle seat B, an axle A, a handwheel, a ratchet A, a ratchet B, a pawl support seat A, a pawl assembly A, a tension spring A, a pawl limiting bracket, a pawl support seat B, a pawl assembly B, a tension spring B, a coupling, a groove drum, an axle seat connecting plate, an axle seat C, an axle seat D, a positioning block C, an optical axis A, an optical axis B, a groove slider, a slider connecting block, a connecting shaft assembly, a rack fixing block, a rack, and a positioning block B, wherein the axle seat A, the axle seat B, the pawl support seat A, and the pawl support seat B are all fixedly connected to the U-shaped bracket, the axle A is rotatably connected to the U-shaped bracket, the handwheel, the ratchet A, the ratchet B, and the coupling are all fixedly connected to the axle A, the axle seat A, the axle seat B, the pawl support seat A, the pawl limiting bracket, and the pawl support seat B are all rotatably connected to the axle A, and the axle seat A and the axle seat B are all fixedly connected to the pawl limiting bracket Then, the pawl support seat A is rotatably connected to the pawl assembly A, the pawl part of the pawl assembly A is meshed and connected with the ratchet wheel A, the pawl assembly A is fixedly connected to the pawl limiting bracket through the tension spring A, the pawl support seat B is rotatably connected to the pawl assembly B, the pawl part of the pawl assembly B is meshed and connected with the ratchet wheel B, the pawl assembly B is fixedly connected to the pawl limiting bracket through the tension spring B, the shaft A is fixedly connected to the groove drum through the coupling, the groove drum is rotatably connected to the shaft seat C and the shaft seat D, the shaft seat C, the shaft seat D, and the positioning block C are all fixedly connected to the shaft seat connecting plate, the shaft seat C is fixedly connected to the shaft seat D through the optical axis A and the optical axis B, the groove slider is meshed and connected to the groove drum, the groove slider is rotatably connected to the slider connecting block, the slider connecting block is fixedly connected to the connecting shaft assembly, the slider connecting block is connected to the optical axis A and the optical axis B, the connecting shaft assembly is fixedly connected to the rack fixing block, the rack fixing block is fixedly connected to the rack, and the optical axis B is connected to the positioning block C and the positioning block B.

[0011] As a further optimization of the technical solution, the present invention provides a service equipment for public elderly buildings, wherein the pulley device includes a total support seat, an H-type connecting rod A, an H-type connecting rod B, a connecting arm A, a connecting plate A, a connecting plate B, an H-type connecting rod C, a connecting arm B, a universal wheel, a connecting rod A, and a connecting rod B, wherein the H-type connecting rod A and the H-type connecting rod C are both rotatably connected to the total support seat, the H-type connecting rod A is rotatably connected to the connecting arm A through the H-type connecting rod B, the connecting arm A is rotatably connected to the connecting plate A and the connecting plate B, the connecting plate A and the connecting plate B are both rotatably connected to the H-type connecting rod C and the connecting arm B, the connecting arm B is rotatably connected to the universal wheel, the connecting rod B is rotatably connected to the connecting plate A, and the connecting rod A is rotatably connected to the connecting plate B.

[0012] The beneficial effects of the service equipment for public elderly buildings of the present invention are:

[0013] The service equipment for public elderly buildings of the present invention has the following beneficial effects: 1. It can assist middle-aged and elderly people and patients with mobility impairments to travel in public areas; 2. The equipment has a simple structure and low cost, and is suitable for wide popularization. By arranging the equipment in buildings in public areas, full coverage of the needs of middle-aged and elderly people can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0015] Figure 1 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0016] Figure 2 The structure of the service base station of the present invention is shown in FIG. Figure 1 ;

[0017] Figure 3 The supporting device structure of the present invention is schematically shown in FIG. Figure 1 ;

[0018] Figure 4 The supporting device structure of the present invention is schematically shown in FIG. Figure 2 ;

[0019] Figure 5 The driving device structure of the present invention is schematically shown in FIG. Figure 1 ;

[0020] Figure 6 The driving device structure of the present invention is schematically shown in FIG. Figure 2 ;

[0021] Figure 7 The driving device structure of the present invention is schematically shown in FIG. Figure 3 ;

[0022] Figure 8 The structure of the pulley device of the present invention is shown in FIG. Figure 1 ;

[0023] Fig. 9 The structure of the pulley device of the present invention is shown in FIG. Figure 2 ;

[0024] In the figure: service base station 1; frame 101; anti-collision foot support A102; anti-collision foot support B103; partition A104; partition B105; magnetic bracket A106; magnetic bracket B107; magnetic bracket C108; support device 2; vertical bracket 201; cover plate 202; handle bracket 203; handle 204; magnetic block fixing bracket A205; magnetic block A206; magnetic block fixing bracket B207; magnetic block B208; magnetic block fixing bracket C209; magnetic block C210; gear A211; gear B212; horizontal handle 213; drive device 3; U-shaped bracket 301; shaft seat A302; shaft seat B303; shaft A304; handwheel 305; ratchet A306; ratchet B307; ratchet support seat A308; Pawl assembly A309; tension spring A310; pawl limiting bracket 311; pawl supporting seat B312; pawl assembly B313; tension spring B314; coupling 315; groove drum 316; shaft seat connecting plate 317; shaft seat C318; shaft seat D319; positioning block C320; optical axis A321; optical axis B322; groove slider 323; slider connecting block 324; connecting shaft assembly 325; rack fixing block 326; rack 327; positioning block B328; pulley device 4; main supporting seat 401; H-type connecting rod A402; H-type connecting rod B403; connecting arm A404; connecting plate A405; connecting plate B406; H-type connecting rod C407; connecting arm B408; universal wheel 409; connecting rod A410; connecting rod B411. Specific embodiments

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings. Specific embodiment one:

[0027] Combine the following Figure 1-9 To illustrate this embodiment, a service device for a public elderly building includes a service base station 1, a support device 2, a drive device 3, and a pulley device 4. The service base station 1 is connected to the support device 2, and the support device 2 is connected to the drive device 3 and the pulley device 4. Specific embodiment 2:

[0029] Combine the following Figure 1-9 To explain this embodiment, this embodiment further explains Example 1. The service base station 1 includes a frame 101, an anti-collision foot support A102, an anti-collision foot support B103, a partition A104, a partition B105, a magnetic bracket A106, a magnetic bracket B107, and a magnetic bracket C108, wherein the anti-collision foot support A102, the anti-collision foot support B103, the partition A104, the partition B105, the magnetic bracket A106, the magnetic bracket B107, and the magnetic bracket C108 are all fixedly connected to the frame 101. Specific embodiment three:

[0031] Combine the following Figure 1-9 This embodiment is described. This embodiment further describes the first embodiment. The support device 2 includes a vertical bracket 201, a cover plate 202, a handle bracket 203, a handle 204, a magnetic block fixing bracket A205, a magnetic block A206, a magnetic block fixing bracket B207, a magnetic block B208, a magnetic block fixing bracket C209, a magnetic block C210, a gear A211, a gear B212, and a horizontal handle 213. The cover plate 202, the handle bracket 203, the magnetic block fixing bracket A205, the magnetic block fixing bracket B207, the magnetic block B208, the magnetic block fixing bracket C209, the magnetic block C210, the gear A211, the gear B212, and the horizontal handle 213. 07. The magnetic block fixing bracket C209 is fixedly connected to the vertical bracket 201, the handle bracket 203 is fixedly connected to the handle 204, the magnetic block fixing bracket A205 is fixedly connected to the magnetic block A206, the magnetic block fixing bracket B207 is fixedly connected to the magnetic block B208, the magnetic block fixing bracket C209 is fixedly connected to the magnetic block C210, the gear A211 and the gear B212 are rotatably connected to the vertical bracket 201, the gear A211 is meshedly connected to the gear B212, and the gear B212 is fixedly connected to the horizontal handle 213. Specific embodiment four:

[0033] Combine the following Figure 1-9Description of this embodiment, this embodiment further describes the first embodiment, the driving device 3 includes a U-shaped bracket 301, an axle seat A302, an axle seat B303, an axle A304, a hand wheel 305, a ratchet A306, a ratchet B307, a pawl support seat A308, a pawl assembly A309, a tension spring A310, a pawl limiting bracket 311, a pawl support seat B312, a pawl assembly B313, a tension spring B314, a coupling 315, a groove drum 316, an axle seat connecting plate 317, an axle seat C318, an axle seat D319, a positioning block C320, an optical axis A321, an optical axis B322, a groove slider 323, and a slider connecting block 32 4. Connecting shaft assembly 325, rack fixing block 326, rack 327, positioning block B328, wherein shaft seat A302, shaft seat B303, pawl support seat A308, pawl support seat B312 are all fixedly connected to U-shaped bracket 301, shaft A304 is rotatably connected to U-shaped bracket 301, hand wheel 305, ratchet A306, ratchet B307, coupling 315 are all fixedly connected to shaft A304, shaft seat A302, shaft seat B303, pawl support seat A308, pawl limiting bracket 311, pawl supporting seat B312 are all rotatably connected to shaft A304, shaft seat A302, shaft seat B303 are all connected to pawl limiting bracket 31 1 is fixedly connected, the pawl support seat A308 is rotatably connected with the pawl assembly A309, the pawl part of the pawl assembly A309 is meshed and connected with the ratchet wheel A306, the pawl assembly A309 is fixedly connected with the pawl limiting bracket 311 through the tension spring A310, the pawl support seat B312 is rotatably connected with the pawl assembly B313, the pawl part of the pawl assembly B313 is meshed and connected with the ratchet wheel B307, the pawl assembly B313 is fixedly connected with the pawl limiting bracket 311 through the tension spring B314, the shaft A304 is fixedly connected with the groove drum 316 through the coupling 315, the groove drum 316 is rotatably connected with the shaft seat C318 and the shaft seat D319, and the shaft seat C 318, shaft seat D319, and positioning block C320 are all fixedly connected to the shaft seat connecting plate 317, shaft seat C318 is fixedly connected to shaft seat D319 through optical axis A321 and optical axis B322, groove slider 323 is meshedly connected to groove drum 316, groove slider 323 is rotatably connected to slider connecting block 324, slider connecting block 324 is fixedly connected to connecting shaft assembly 325, slider connecting block 324 is connected to optical axis A321 and optical axis B322, connecting shaft assembly 325 is fixedly connected to rack fixing block 326, rack fixing block 326 is fixedly connected to rack 327, and optical axis B322 is connected to positioning block C320 and positioning block B328. Specific embodiment five:

[0035] Combine the following Figure 1-9This embodiment is described. This embodiment further describes the first embodiment. The pulley device 4 includes a total support seat 401, an H-type connecting rod A402, an H-type connecting rod B403, a connecting arm A404, a connecting plate A405, a connecting plate B406, an H-type connecting rod C407, a connecting arm B408, a universal wheel 409, a connecting rod A410, and a connecting rod B411. The H-type connecting rod A402 and the H-type connecting rod C407 are both rotatably connected to the total support seat 401. The H-type connecting rod A402 is rotatably connected to the connecting arm A404 through the H-type connecting rod B403, the connecting arm A404 is rotatably connected to the connecting plate A405 and the connecting plate B406, the connecting plate A405 and the connecting plate B406 are both rotatably connected to the H-type connecting rod C407 and the connecting arm B408, the connecting arm B408 is rotatably connected to the universal wheel 409, the connecting rod B411 is rotatably connected to the connecting plate A405, and the connecting rod A410 is rotatably connected to the connecting plate B406.

[0036] The present invention provides a service device for public elderly buildings, and its working principle is as follows: the device has a simple structure and low cost, is suitable for wide popularization, and can assist middle-aged and elderly people and patients with mobility impairments to pass through public areas. The device is installed at various key nodes in the public building, such as the road side, stair corners, and major doors. When a person needs to use it, he or she holds the handle 204 with one hand and pulls it outward with a little force. When pulling, the magnetic blocks A206, B208, and C210 are separated from the magnetic bracket A106. After separation, the support device 2 continues to be pulled outward, and slides outward through the pulley device 4 when pulling. At this time, the support device 2 and the pulley device 4 form a set of pulley-type crutch. The user can hold the handle 204 tightly with one hand and use it when walking. When the handle 204 pushes the vertical bracket 201 to move through the handle bracket 203, the vertical bracket 201 drives the universal wheel 409 in the pulley device 4 to slide along the ground, which not only provides support for the user when moving, but also ensures that the equipment moves unhindered. When the personnel move, if the equipment needs to be more stable, the universal wheel 409 can be moved with the toe, and the moving direction is outward. When the universal wheel 409 is moved, the universal wheel 409 drives the connecting arm B408 to move outward. When the connecting arm B408 moves, it drives the connecting plate A405 and the connecting plate B406 to rotate along the connecting arm A404, and also drives the H-shaped connecting rod B403 to rotate along the connecting arm A404. When the connecting arm A404 and the connecting arm B408 move outward and the H-shaped connecting rod B403 and B406 move outward, the connecting arm A404 and the connecting arm B408 move outward. When the connecting plates A405 and B406 rotate, the H-type connecting rod B403 drives the H-type connecting rod A402 to rotate along the main support seat 401, the connecting plate A405 drives the connecting rod B411 to rotate along the H-type connecting rod A402, the connecting plate B406 drives the connecting rod A410 to rotate along the H-type connecting rod A402, and the connecting plates A405 and B406 drive the H-type connecting rod C407 to rotate along the main support seat 401, wherein the pulley device 4 described in the claims and the specification includes the H-type connecting rod A402, the H-type connecting rod B403, the connecting arm A404, the connecting plate A405, the connecting plate B406, the H-type connecting rod C407, the connecting arm B408, the universal wheel 409, the connecting rod The structure of A410 and connecting rod B411 is a specific description of a single pulley structure in the pulley device 4. The drawings in the specification specifically show that the pulley device 4 has several pulley structures, with H-type connecting rod A402, H-type connecting rod B403, connecting arm A404, connecting plate A405, connecting plate B406, H-type connecting rod C407, connecting arm B408, universal wheel 409, connecting rod A410, and connecting rod B411 as a pulley structure. The three pulley structures are installed on the total support seat 401, and the triangle has good stability. The pulleys of the three pulley structures are moved by the above method to increase the radius of the three pulleys from the axis of the total support seat 401, so that the support device 2 is more stable when pushing the pulley device 4. If the user needs to support with both hands,Then rotate the hand wheel 305 at the top of the vertical bracket 201 in the support device 2. It should be noted that the ratchet pawl in the driving device 3 limits the stability of the horizontal handle 213 to prevent the horizontal handle 213 from causing the internal gear of the mechanism to rebound when it is subjected to a large gravity. Its purpose is to serve as a safety guarantee for the mechanism and increase the overall service life. First, the axis in the pawl assembly A309 and the pawl assembly B313 is moved along the arc track in the U-shaped bracket 301 and the pawl limiting bracket 311. When moving, the pawl assembly A309 rotates along the pawl support seat A308, and the pawl assembly A309 moves. When the pawl assembly A309 moves, the tension spring A310 is pulled. When the axis of the pawl assembly A309 rotates to the end of the groove track groove of the U-shaped bracket 301, it is affected by the tension spring A310 and stuck. At this time, the pawl of the pawl assembly A309 is disengaged from the ratchet A306. When the ratchet A306 rotates clockwise, it is not hindered. When the pawl assembly B313 moves, it rotates along the pawl support seat B312. When the pawl assembly B313 moves, the tension spring B314 is pulled. When the axis of the pawl assembly B313 rotates to the end of the groove track groove of the U-shaped bracket 301, it is affected by the tension spring B314 and stuck. At this time, the pawl of the pawl assembly B313 and the ratchet are separated. B307 is disengaged, when the ratchet B307 rotates counterclockwise without obstruction, the hand wheel 305 is turned at this time, the hand wheel 305 drives the shaft A304 to rotate, the shaft A304 drives the groove drum 316 to rotate through the coupling 315, when the groove drum 316 rotates, its groove drives the groove slider 323 to move forward, the groove slider 323 drives the slider connecting block 324 to slide along the optical axis A321 and the optical axis B322, the slider connecting block 324 drives the connecting shaft assembly 325 to slide along the positioning block C320 and the positioning block B328, when the connecting shaft assembly 325 slides, it drives the rack 326 through the rack fixing block 326. 27 slides downward, driving gear A211 to rotate during sliding, and gear A211 drives horizontal handle 213 to rotate through gear B212 until handle 213 rotates to the angle required by the user, and stops rotating hand wheel 305, and resets pawl assembly A309 and pawl assembly B313. At this time, the pawl of pawl assembly A309 clamps ratchet wheel A306, and the pawl of pawl assembly B313 clamps ratchet wheel B307, so that shaft A304 and hand wheel 305 are restricted from rotating, ensuring the stability of horizontal handle 213. The user can hold horizontal handle 213 with both hands to push the device to move.

[0037] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A service device for public elderly buildings, characterized by: The invention comprises a service base station (1), a support device (2), a driving device (3) and a pulley device (4); the service base station (1) is connected to the support device (2), and the support device (2) is connected to the driving device (3) and the pulley device (4).

2. A service device for public elderly buildings according to claim 1, characterized in that: The service base station (1) comprises a frame (101), an anti-collision foot support A (102), an anti-collision foot support B (103), a partition A (104), a partition B (105), a magnetic bracket A (106), a magnetic bracket B (107), and a magnetic bracket C (108), wherein the anti-collision foot support A (102), the anti-collision foot support B (103), the partition A (104), the partition B (105), the magnetic bracket A (106), the magnetic bracket B (107), and the magnetic bracket C (108) are all fixedly connected to the frame (101).

3. The service equipment for public elderly buildings according to claim 1, characterized in that: The support device (2) comprises a vertical support (201), a cover plate (202), a handle support (203), a handle (204), a magnetic block fixing support A (205), a magnetic block A (206), a magnetic block fixing support B (207), a magnetic block B (208), a magnetic block fixing support C (209), a magnetic block C (210), a gear A (211), a gear B (212), and a horizontal handle (213), wherein the cover plate (202), the handle support (203), the magnetic block fixing support A (205), the magnetic block fixing support B (207), the magnetic block fixing support C (210), a gear A (211), a gear B (212), and a horizontal handle (213). (209) are fixedly connected to the vertical bracket (201), the handle bracket (203) is fixedly connected to the handle (204), the magnetic block fixing bracket A (205) is fixedly connected to the magnetic block A (206), the magnetic block fixing bracket B (207) is fixedly connected to the magnetic block B (208), the magnetic block fixing bracket C (209) is fixedly connected to the magnetic block C (210), the gear A (211) and the gear B (212) are both rotatably connected to the vertical bracket (201), the gear A (211) is meshedly connected to the gear B (212), and the gear B (212) is fixedly connected to the horizontal handle (213).

4. The service equipment for public elderly buildings according to claim 1, characterized in that: The driving device (3) comprises a U-shaped bracket (301), an axle seat A (302), an axle seat B (303), an axle A (304), a hand wheel (305), a ratchet wheel A (306), a ratchet wheel B (307), a pawl support seat A (308), a pawl assembly A (309), a tension spring A (310), a pawl limiting bracket (311), a pawl support seat B (312), a pawl assembly B (313), a tension spring B (314), a coupling (315), a groove drum (316), an axle seat connecting plate (317), an axle seat C (318), an axle seat D (319), a positioning block C (320), an optical axis A (321), an optical axis B (322), a groove slider (323), a slider connecting block (324), A connecting shaft assembly (325), a rack fixing block (326), a rack (327), and a positioning block B (328), wherein the shaft seat A (302), the shaft seat B (303), the pawl support seat A (308), and the pawl support seat B (312) are all fixedly connected to the U-shaped bracket (301), the shaft A (304) is rotatably connected to the U-shaped bracket (301), the hand wheel (305), the ratchet A (306), the ratchet B (307), and the coupling (315) are all fixedly connected to the shaft A (304), the shaft seat A (302), the shaft seat B (303), the pawl support seat A (308), the pawl limiting bracket (311), and the pawl support seat B (312) are all rotatably connected to the shaft A (304), and the shaft seat A (302), The shaft seat B (303) is fixedly connected to the pawl limiting bracket (311), the pawl support seat A (308) is rotatably connected to the pawl assembly A (309), the pawl part of the pawl assembly A (309) is meshed with the ratchet wheel A (306), the pawl assembly A (309) is fixedly connected to the pawl limiting bracket (311) through the tension spring A (310), the pawl support seat B (312) is rotatably connected to the pawl assembly B (313), the pawl part of the pawl assembly B (313) is meshed with the ratchet wheel B (307), the pawl assembly B (313) is fixedly connected to the pawl limiting bracket (311) through the tension spring B (314), the shaft A (304) is fixedly connected to the groove drum (316) through the coupling (315), and the groove drum (316) is fixedly connected to the pawl limiting bracket (311). The groove drum (316) is rotatably connected to the shaft seat C (318) and the shaft seat D (319); the shaft seat C (318), the shaft seat D (319) and the positioning block C (320) are all fixedly connected to the shaft seat connecting plate (317); the shaft seat C (318) is fixedly connected to the shaft seat D (319) through the optical axis A (321) and the optical axis B (322); the groove slider (323) is meshedly connected to the groove drum (316); the groove slider (323) is rotatably connected to the slider connecting block (324); the slider connecting block (324) is fixedly connected to the connecting shaft assembly (325); the slider connecting block (324) is connected to the optical axis A (321) and the optical axis B (322); the connecting shaft assembly (325) is fixedly connected to the rack fixing block (326);The rack fixing block (326) is fixedly connected to the rack (327), and the optical axis B (322) is connected to the positioning block C (320) and the positioning block B (328).

5. The service equipment for public elderly buildings according to claim 1, characterized in that: The pulley device (4) comprises a main support seat (401), an H-shaped connecting rod A (402), an H-shaped connecting rod B (403), a connecting arm A (404), a connecting plate A (405), a connecting plate B (406), an H-shaped connecting rod C (407), a connecting arm B (408), a universal wheel (409), a connecting rod A (410), and a connecting rod B (411), wherein the H-shaped connecting rod A (402) and the H-shaped connecting rod C (407) are both rotatably connected to the main support seat (401), and the H-shaped connecting rod A (402) is connected to the main support seat (401) by a rotation axis. The H-shaped connecting rod B (403) is rotatably connected to the connecting arm A (404), the connecting arm A (404) is rotatably connected to the connecting plate A (405) and the connecting plate B (406), the connecting plate A (405) and the connecting plate B (406) are both rotatably connected to the H-shaped connecting rod C (407) and the connecting arm B (408), the connecting arm B (408) is rotatably connected to the universal wheel (409), the connecting rod B (411) is rotatably connected to the connecting plate A (405), and the connecting rod A (410) is rotatably connected to the connecting plate B (406).

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