CN210471548U - Variable seat structure - Google Patents

Abstract

The utility model provides a variable seat structure, including chair bottom plate (506), the back of the chair (501) and elevating system and cushion (502) and tilting mechanism thereof, back of the chair (501) under its elevating system drive with chair bottom plate (506) between form relative elevating movement's swing joint, cushion (502) under its tilting mechanism drive with chair bottom plate (506) between form relative pivoted swing joint. The utility model can form a similar L-shaped structure between the cushion and the chair back through the cushion turnover mechanism to facilitate the sitting posture adjustment, and can also form a flat plate-shaped structure between the cushion and the chair back through the cushion turnover mechanism to allow the back to lean against, thereby facilitating the standing posture adjustment; the chair back lifting mechanism is used for driving the chair back to move up and down and is matched with the cushion turnover mechanism, so that the mutual conversion between the sitting posture and the standing posture can be conveniently realized.

Description

Variable seat structure

Technical Field

The utility model belongs to the technical field of the seat structural design and specifically relates to a be applied to a variable seat structure on bathing machine equipment.

Background

At present, with the increasing population of the elderly, and the increasing number of other people with poor mobility or without mobility caused by hemiplegia and the like, the corresponding nursing demands and the like are also increased sharply. However, since professional caregivers are seriously insufficient, the sharply increasing need for care cannot be met at all by only the caregivers. Among the existing care needs, the bathing problem is important.

For people with poor or no mobility, as the individual has inconvenience in independent mobility, bathing can be completed by several people, which not only wastes manpower, but also has low bathing efficiency; more importantly, certain potential safety hazards, such as slipping, exist in the bathing process. The traditional bathing machine product mainly has the following defects in practical use:

(1) the bath rubbing function of rubbing the body is not available, so that the labor intensity is high during bath, the bath efficiency is reduced, and the bath cleaning effect is not ideal;

(2) the self-care capacity of the bather is higher, and certain potential safety hazards exist during use, particularly the bather is inconvenient to use by people with poor mobility or no mobility (such as the old);

(3) although the sitting type bathing machine can solve the problems of difficult standing during bathing, the sitting type bathing machine reduces the contact area between the body and the bathing water during use, and cannot meet the requirement of bathing for cleaning the whole body.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: aiming at the problems in the prior art, the variable seat structure is provided, and the mutual conversion between the sitting posture and the standing posture is facilitated.

The to-be-solved technical problem of the utility model adopts following technical scheme to realize: the utility model provides a variable seat structure, includes chair bottom plate, back of the chair and elevating system and cushion and tilting mechanism thereof, the back of the chair under its elevating system drive and the chair bottom plate between form relative elevating movement's swing joint, the cushion under its tilting mechanism drive and the chair bottom plate between form relative pivoted swing joint.

Preferably, the elevating system of the back of the chair includes screw slider, threaded rod and actuating mechanism thereof, screw slider be connected with the back of the chair, threaded rod and screw slider between form screw thread swing joint, the threaded rod rotate for the chair bottom plate under its actuating mechanism effect to drive the back of the chair for chair bottom plate elevating movement through screw slider.

Preferably, the driving mechanism of the threaded rod comprises a third motor, a first gear and a second gear, the third motor is connected with the first gear through a transmission connecting rod, the second gear is connected with the threaded rod, and meshing transmission is formed between the first gear and the second gear.

Preferably, the first gear and the second gear are both bevel gears.

Preferably, the chair further comprises a baffle plate, wherein the baffle plate is connected with the chair bottom plate and covers the third motor, the first gear and the second gear.

Preferably, the turnover mechanism of the seat cushion comprises a push rod, a pedal plate and a hinge, and two opposite ends of the push rod are respectively connected with the seat cushion and the pedal plate through the hinge to form a movable connection structure.

Preferably, the push rod is an electric push rod and is driven by a first motor.

Preferably, the pedal plate is connected with a screw nut, the screw nut and the first ball screw form a movable connection capable of rotating relatively, and the first ball screw is driven by the second motor.

Preferably, the foot pedal is connected with a sliding caster.

Compared with the prior art, the beneficial effects of the utility model are that: an L-shaped structure can be formed between the cushion and the chair back through the cushion turnover mechanism so as to facilitate the sitting posture adjustment, and meanwhile, a flat plate-shaped structure can be formed between the cushion and the chair back through the cushion turnover mechanism so as to allow the back to lean against, thereby facilitating the standing posture adjustment; the chair back lifting mechanism drives the chair back to move up and down, and the relative distance between the cushion and the chair back can be adjusted, so that the chair can realize the mutual conversion between the sitting posture and the standing posture.

Drawings

Fig. 1 is a schematic three-dimensional configuration view (left side view) of the all-around bathing machine.

Fig. 2 is a schematic three-dimensional configuration (right side view) of the all-around bathing machine.

Fig. 3 is a front view of the all-directional bathing device shown in fig. 1 or 2.

Fig. 4 is a schematic view showing an internal structure of the all-directional bathing device shown in fig. 1 or 2.

Fig. 5 is a partial enlarged view of a portion a in fig. 4.

Fig. 6 is a three-dimensional structure diagram of the side scrubbing device in fig. 1-4.

FIG. 7 is a front view of the side scrubbing device shown in FIG. 6.

FIG. 8 is a top view of the side scrubbing device shown in FIG. 6.

Fig. 9 is a schematic three-dimensional structure diagram of a variable seat structure according to the present invention.

Fig. 10 is a front view of the chair of fig. 9.

Figure 11 is a side view of the seat shown in figure 9.

Figure 12 is a top view of the chair shown in figure 9.

Fig. 13 is a three-dimensional structure diagram of the front scrubbing device in fig. 1-4.

Fig. 14 is a partial enlarged view at B in fig. 13.

FIG. 15 is a front view of the front scrubbing device shown in FIG. 13.

FIG. 16 is a side view of the front scrubbing device shown in FIG. 13.

Fig. 17 is a three-dimensional configuration schematic of the spray device of fig. 1-4.

Fig. 18 is a front view of the spray device shown in fig. 17.

Fig. 19 is a side view of the spray assembly shown in fig. 17.

Part label name in the figure: 1-housing, 2-stationary harness, 3-traction rope, 4-side bathing device, 5-seat, 6-frontal bathing device, 7-shower device, 8-rotary table, 9-roller, 10-support frame, 11-bathroom lamp, 12-cleaning sponge, 13-traction motor, 14-driving gear, 15-driven gear, 16-rotary shaft, 41-fourth motor, 42-second ball screw, 43-third gear, 44-fifth motor, 45-slide block, 46-slide rail, 47-first rack, 48-mounting bracket, 501-seat back, 502-cushion, 503-push rod, 504-first motor, 505-foot pedal, 506-chair bottom plate, 507-first ball screw, 508-a second motor, 509-a first gear, 510-a third motor, 511-a motor mounting seat, 512-a baffle, 513-a second gear, 514-a transmission connecting rod, 515-a threaded rod, 516-a threaded slider, 517-a hinge, 518-a sliding caster, 519-a screw nut, 61-a sixth motor, 62-a mounting frame, 63-a cleaning sponge supporting frame, 64-a seventh motor, 65-a telescopic device, 66-a third ball screw, 67-a threaded block, 68-a second rack, 69-a fourth gear, 71-a driving motor, 72-a linkage frame, 73-a rack, 74-a worm gear, 75-a first connecting rod, 76-a water spray head, 77-a second connecting rod and 78-a worm.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The omnibearing bathing machine shown in fig. 1, 2, 3 and 4 mainly comprises a shell 1, a seat 5, a spraying device 7 and a bathing device, wherein the shell 1 is of a hollow open cavity structure, the spraying device 7 and the bathing device are arranged in a hollow cavity of the shell 1, the bathing device comprises a side bathing device 4 and a front bathing device 6, the side bathing device 4 and the front bathing device 6 are distributed around the seat 5, and cleaning sponges 12 are respectively arranged on the side bathing device 4 and the front bathing device 6.

The specific structure of the side scrubbing device 4 is shown in fig. 6, 7 and 8, and mainly comprises a mounting bracket 48 and a cleaning sponge lifting mechanism, wherein the cleaning sponge 12 is mounted on the cleaning sponge lifting mechanism. The cleaning sponge lifting mechanism comprises a slide rail 46, a second ball screw 42 and a driving mechanism thereof, and the driving mechanism of the second ball screw 42 can adopt a fourth motor 41. The mounting bracket 48 and the housing 1 can be matched with an iron pad through an anchor bolt to form a fixed connection structure, the second ball screw 42 and the mounting bracket 48 are movably connected in a relative rotation manner, and the fourth motor 41 is fixedly connected to the top end of the mounting bracket 48. The slide rail 46 and the second ball screw 42 form a movable connection with a relative lifting motion, the second ball screw 42 is driven by the fourth motor 41, the slide rail 46 is driven by the second ball screw 42 to lift relative to the mounting bracket 48, the slide rail 46 drives the cleaning sponge 12 to move synchronously, and in this case, the cleaning sponge 12 can be connected with the slide rail 46.

However, when the cleaning sponge 12 is connected to the sliding rail 46, the cleaning sponge 12 can only move up and down relative to the mounting bracket 48, and the movement mode is single, so that the cleaning sponge can only wash the body in a single action, and cannot meet the requirement of multi-directional washing of the body. In order to increase the cleaning action of the side scrubbing device 4, a cleaning sponge translation mechanism can be additionally arranged. The cleaning sponge translation mechanism comprises a first rack 47 and a third gear 43, the third gear 43 is connected with the cleaning sponge 12, the first rack 47 is connected with a sliding rail 46, the third gear 43 and the first rack 47 form meshing transmission under the action of a driving mechanism of the third gear 43, and the driving mechanism of the third gear 43 usually adopts a fifth motor 44. Further, the first rack 47 is fixedly connected with the slider 45, and the slider 45 and the slide rail 46 form a movable connection that slides relatively, as shown in fig. 6, 7 and 8.

With this structure, when the fifth motor 44 rotates, the cleaning sponge 12 also rotates synchronously, and a third gear 43 with a smaller number of teeth can be used to obtain a larger transmission ratio. Therefore, the cleaning sponge 12 not only rotates, but also can move up and down relative to the mounting bracket 48, and also can move back and forth relative to the mounting bracket 48, and the movement mode is not single any more, so that the cleaning sponge can well meet the requirement of multi-directional cleaning of the body. The cleaning sponge 12 is preferably a light sponge to reduce the stress of the transmission rod. In order to ensure the movement stability of the cleaning sponge 12, in the case that the inner space of the housing 1 is sufficient, the third gear 43, the first rack 47 and the slider 45 may be extended and symmetrically arranged on two opposite sides of the cleaning sponge 12, that is, 2 sets of cleaning sponge translation mechanisms may be arranged on two opposite sides of the cleaning sponge 12.

The specific structure of the seat 5 is as shown in fig. 9, fig. 10, fig. 11, and fig. 12, and mainly includes a chair bottom plate 506, a chair back 501 and a lifting mechanism thereof, and a seat cushion 502 and a turnover mechanism thereof, wherein the chair bottom plate 506 is fixedly connected with the housing 1, the chair back 501 is driven by the lifting mechanism to form a movable connection with the chair bottom plate 506 for relative lifting movement, and the seat cushion 502 is driven by the turnover mechanism to form a movable connection with the chair bottom plate 506 for relative rotation, so that the seat 5 becomes a variable seat with a mutually convertible standing posture and a sitting posture. Wherein, the chair back 501 and the cushion 502 can be provided with cut grooves so as to increase the water passing capacity of the chair 5 during bathing. In particular, the amount of the solvent to be used,

the lifting mechanism of the chair back 501 comprises a threaded sliding block 516, a threaded rod 515 and a driving mechanism thereof, the driving mechanism of the threaded rod 515 comprises a third motor 510, a first gear 509 and a second gear 513, and the first gear 509 and the second gear 513 preferably adopt bevel gears. The third motor 510 forms a fixed connection structure with the chair bottom plate 506 through the motor mounting seat 511, the third motor 510 is connected with the first gear 509 through the transmission connecting rod 514, the second gear 513 is fixedly connected with the threaded rod 515, and the first gear 509 and the second gear 513 are driven by the third motor 510 to form meshing transmission. Screw slider 516 and back of the chair 501 fixed connection, threaded rod 515 and screw slider 516 between form screw thread swing joint, threaded rod 515 rotate for chair bottom plate 506 under the drive of third motor 510 to drive back of the chair 501 through screw slider 516 and make oscilaltion for chair bottom plate 506. The chair bottom plate 506 is fixedly connected with the baffle plate 512, the baffle plate 512 covers the third motor 510, the first gear 509 and the second gear 513, and the baffle plate 512 is arranged, so that the third motor 510, the first gear 509 and the second gear 513 can be protected to a certain extent.

As shown in fig. 9 and 10, the seat cushion 502 can be movably connected with the threaded slider 516 in a relative rotation manner, the turnover mechanism of the seat cushion 502 comprises a push rod 503, a pedal 505 and a hinge 517, and the opposite ends of the push rod 503 respectively form a movable connection structure with the seat cushion 502 and the pedal 505 through the hinge 517. The push rod 503 is preferably an electric push rod and is driven by the first motor 504. The pedal 505 is fixedly connected with a screw nut 519, the screw nut 519 and a first ball screw 507 form a movable connection for relative rotation, and the first ball screw 507 is driven by a second motor 508. A sliding caster 518 is fixedly connected to the bottom of the foot pedal 505, and the sliding caster 518 is movably connected with the chair bottom plate 506 in a sliding mode.

The seat 5 adopts the above structural design, and can realize the mutual conversion between the sitting posture and the standing posture through the mutual cooperation action of the first motor 504, the second motor 508 and the third motor 510, wherein the cushion 502 is pushed upwards by the push rod 503, and the height of the cushion can be adjusted at the same time, so that the chair back 501 and the cushion 502 on the seat 5 finally become a flat plate structure for the back to lean against, that is, the chair back 501 and the cushion 502 at the moment are basically vertical to the chair bottom plate 506, and after the seat is stood, the push rod 503 is used for supporting, so that the chair back 501 and the cushion 502 can be prevented from sliding downwards. Through the cooperation of the first ball screw 507 and the pedal 505, the feet can step on the pedal 505 to move back and forth.

As shown in fig. 13, 14, 15 and 16, the front scrubbing device 6 mainly includes a mounting frame 62, a cleaning sponge supporting frame 63 and a third ball screw 66, the mounting frame 62 and the housing 1 can form a fixed connection structure by matching an anchor bolt and an iron pad, the third ball screw 66 is fixedly connected with the mounting frame 62, opposite ends of the cleaning sponge supporting frame 63 are respectively connected with a threaded block 67, the threaded block 67 and the third ball screw 66 form a movable connection with respect to a lifting motion, and the cleaning sponge 12 is mounted on the cleaning sponge supporting frame 63; the third ball screw 66 drives the screw block 67 to move up and down relative to the mounting frame 62 under the action of the driving mechanism, the cleaning sponge 12 is driven by the screw block 67 to move synchronously, and the third ball screw 66 is preferably driven by the sixth motor 61.

The specific structure of the spraying device 7 is as shown in fig. 17, 18 and 19, and mainly comprises a water spraying head 76 and a water spraying driving mechanism, wherein the water spraying driving mechanism comprises a linkage frame 72, a worm wheel 74 and a worm 78, the linkage frame 72 is respectively connected with a frame 73 and a second connecting rod 77, the worm wheel 74 and the second connecting rod 77 form a fixed connection, the second connecting rod 77 is connected with a first connecting rod 75, the first connecting rod 75 is connected with the frame 73, and the frame 73 is fixedly connected with the housing 1. Specifically, one end of the frame 73 is movably hinged to the linkage frame 72, the other end of the frame is movably hinged to the first connecting rod 75, one end of the second connecting rod 77 is movably hinged to the linkage frame 72, and the other end of the second connecting rod 77 is movably hinged to the first connecting rod 75. The worm 78 is driven by the driving motor 71, the driving motor 71 is fixedly connected with the linkage frame 72, and the driving motor 71 drives the worm 78 to rotate. The sprinkler head 76 is connected with a worm 78, and meshing transmission is formed between the worm 78 and the worm wheel 74. The worm 78 is driven by the driving motor 71 to rotate, so that the sprinkler head 76 can swing up and down through the sprinkler driving mechanism.

In order to ensure flexible movement and convenient installation of the spraying device 7, the linkage frame 72 is generally designed into a T-shaped structure, and the rack 73 adopts a straight rod piece, and the length of the straight rod piece can be equal to that of the first connecting rod 75; the length of the first link 75 is greater than that of the second link 77, and the length of the second link 77 is smaller than the radius of the worm wheel 74. When the spray device 7 is mounted in the hollow inner cavity of the housing 1, a water pipe connector can be arranged on the water spray head 76, so that the water pipe is directly communicated with the water spray head 76 through the water pipe connector; of course, it is also possible to design the worm 78 as a hollow tubular structure, wherein the hollow interior communicates with the sprinkler head 76, and a water connection is provided on the worm 78, so that the water line is connected to the worm 78 via the water connection and supplies water to the sprinkler head 76.

When the omnibearing bathing machine is used, water is sprayed by the water spray head 76 on the spray device 7, the cleaning sponge 12 on the side scrubbing device 4 moves up and down or moves back and forth relative to the body, so that the arms, the legs and dead angle parts on two sides of the body can be scrubbed and cleaned, the front breast and the back of the body can be scrubbed and cleaned by the cleaning sponge 12 on the front scrubbing device 6, and the omnibearing scrubbing and cleaning of the body can be completed at one time; the seat 5 can realize the interconversion of the sitting posture and the standing posture, so that the cleaning mode is more various, the cleaning is cleaner, the bathing efficiency and the cleaning reliability are effectively improved, the bathing labor intensity is reduced, and the bathing nursing requirement of the crowd with mobility difficulty, such as the old, can be particularly met. The side scrubbing device 4 and the front scrubbing device 6 can be provided with pressure sensors according to requirements, so that the scrubbing force of the cleaning sponge is more moderate.

The spraying devices 7 can be arranged in a plurality of groups and distributed around the seats 5, as shown in fig. 4. The sprinkler head 76 is rocked up and down through the sprinkler driving mechanism, and the cross shower is realized by water spraying through the up-and-down rocking of the sprinkler head 76, so that the using number of the sprinkler head can be reduced, the cost is saved, the whole body shower type bathing can be carried out more comprehensively, and the cleaning is cleaner.

In order to make the front scrubbing device 6 better perform scrubbing and washing for different body types of bodies, as shown in fig. 13 and 16, a telescopic device 65 can be additionally arranged on the cleaning sponge support frame 63, the telescopic device 65 is connected with the cleaning sponge 12, and the cleaning sponge 12 is driven by the telescopic device 65 to perform forward and backward translation movement relative to the third ball screw 66. Generally, the telescopic device 65 comprises a second rack 68 and a fourth gear 69, the second rack 68 is connected with the cleaning sponge 12, the fourth gear 69 and the second rack 68 form a meshing transmission, the fourth gear 69 is driven by a seventh motor 64, and the seventh motor 64 can be fixedly mounted on the cleaning sponge support frame 63, as shown in fig. 13 and 14. The fourth gear 69 and the second rack 68 may be provided in several sets, so that the telescopic device 65 is a multi-stage telescopic device, and a three-stage telescopic device is usually adopted. By adopting the structural design, the front-side bathing device 6 can be used for bathing and cleaning bodies of different body types through the cleaning sponge 12, the number of the bathing devices is reduced, the cost is saved, the body can be effectively prevented from falling down when the body is in a standing state, the bathing safety and reliability are improved, and the front-side bathing device is particularly suitable for the crowd with mobility inconvenience, such as the old and the like.

For the elderly with poor or no mobility or other hemiplegic people, a corresponding traction device is needed to lift the body and keep the body in a standing posture so as to carry out all-around body cleaning. For this purpose, a pulling device may be additionally provided on the top of the hollow cavity of the housing 1. The specific structure of the traction device is shown in fig. 4 and 5, and mainly comprises a fixed strap 2, a traction rope 3 and a driving mechanism thereof, wherein the fixed strap 2 is connected with the traction rope 3, and the traction rope 3 drives the fixed strap 2 to move up and down relative to the shell 1 under the action of the driving mechanism. Generally, the driving mechanism of the traction rope 3 comprises a roller 9, a support frame 10, a traction motor 13, a driving gear 14 and a driven gear 15, the roller 9 and the driven gear 15 are respectively and fixedly connected with a rotating shaft 16, the traction motor 13 can be fixedly installed on an installation frame 62, as shown in fig. 4, the rotating shaft 16 and the support frame 10 are movably connected in a relative rotation manner, the traction motor 13 drives the driving gear 14 to rotate relative to the support frame 10, the driving gear 14 and the driven gear 15 form meshing transmission, and the traction rope 3 is collected and released through the roller 9.

The supporting frame 10 can be fixedly connected with the shell 1, or the supporting frame 10 can be fixedly connected with the rotating disc 8 firstly, the rotating disc 8 is movably connected with the shell 1 in a relative rotation mode, and a motor can be installed at the top of the outer side of the shell 1 to drive the rotating disc 8 to rotate relative to the shell 1. Through the fixed traction of the traction device and the rotation of the rotary table 8, dead angles on two sides of the body can be cleaned through the spraying device 7, so that the cleaning is more comprehensive. A bathroom heater lamp 11 can be arranged at the top of the hollow inner cavity of the shell 1 so as to dry the body in time after bathing is finished.

The seat 5 is not limited to the above-described bathing machine, and may be applied to nursing places such as welfare houses, nursing homes, gymnasiums, and hospitals. The spraying device 7 is not limited to be applied to the bathing machine, and can be applied to spraying and cleaning places such as family bathrooms, bathing beaches, swimming pools, gymnasiums and the like.

The above description is only exemplary of the present invention and should not be taken as limiting, and all changes, equivalents, and improvements made within the spirit and principles of the present invention should be understood as being included in the scope of the present invention.

Claims (7)

1. A variable seat structure characterized by: the lifting mechanism of the chair back (501) comprises a threaded sliding block (516), a threaded rod (515) and a driving mechanism of the threaded rod (515), the driving mechanism of the threaded rod (515) comprises a third motor (510), a first gear (509) and a second gear (513), the third motor (510) is connected with the first gear (509) through a transmission connecting rod (514), the second gear (513) is connected with the threaded rod (515), and the first gear (509) and the second gear (513) form meshing transmission; the threaded sliding block (516) is connected with the chair back (501), a threaded rod (515) is movably connected with the threaded sliding block (516) through threads, the threaded rod (515) rotates relative to the chair bottom plate (506) under the action of a driving mechanism of the threaded rod, and the chair back (501) is driven to move up and down relative to the chair bottom plate (506) through the threaded sliding block (516); the cushion (502) is driven by the turnover mechanism to form a movable connection with the chair bottom plate (506) in a relative rotation manner.

2. The variable seat structure according to claim 1, characterized in that: the first gear (509) and the second gear (513) are both bevel gears.

3. The variable seat structure according to claim 1, characterized in that: the chair is characterized by further comprising a baffle plate (512), wherein the baffle plate (512) is connected with the chair bottom plate (506), and the baffle plate (512) covers the third motor (510), the first gear (509) and the second gear (513).

4. The variable seat structure according to any one of claims 1 to 3, wherein: the turnover mechanism of the seat cushion (502) comprises a push rod (503), a pedal plate (505) and a hinge (517), wherein two opposite ends of the push rod (503) form a movable connection structure with the seat cushion (502) and the pedal plate (505) through the hinge (517) respectively.

5. The variable seat structure according to claim 4, wherein: the push rod (503) is an electric push rod and is driven by a first motor (504).

6. The variable seat structure according to claim 4, wherein: the pedal plate (505) is connected with a screw nut (519), the screw nut (519) and a first ball screw (507) form movable connection capable of rotating relatively, and the first ball screw (507) is driven by a second motor (508).

7. The variable seat structure according to claim 4, wherein: the foot pedal (505) is connected with a sliding caster (518).

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