CN110251325A - A new type of wheelchair - Google Patents

Abstract

The invention relates to the technical field of wheelchair equipment, in particular to a new type of wheelchair, comprising a seat, a seat back and a leg support plate installed on both sides of the seat respectively, and one side of the connection between the seat, the seat back and the leg support plate There is a second support plate, two symmetrical large casters are installed under the second support plate on the front side, a horizontal shaft is installed between the two large casters, and two symmetrical electric motors are installed on the upper surface of the second support plate. The push rod is equipped with supporting components at the two corners of the rear side of the lower surface of the seat. The baffle mechanism of the present invention can be used to adjust the baffle, so that the patient can be moved to the wheelchair conveniently. Placement is conducive to improving the comfort of patients. Secondly, through the designed fixing device, the baffle can be fixed on the side of the seat to ensure the stability of the baffle on the side of the seat and provide convenience for patients.

Description

A new type of wheelchair

technical field

The invention relates to the technical field of wheelchair equipment, in particular to a novel wheelchair.

Background technique

Medical wheelchair is an important tool for patients to move conveniently and save effort when they see a doctor. It is not only a means of transportation for the physically disabled, but also an important carrier for internal diseases such as cardiac insufficiency and vertigo. It is a walking replacement tool for patients who lie down or need to sit to complete relevant examinations. Existing wheelchair patients have to sit in from the front, and it is inconvenient to sit in a wheelchair when getting on and off the bus. A practical wheelchair in the lying position, and the wheelchairs in the existing hospital are inconvenient for patients or their families to carry items, and there is no storage device for patient vomitus. When the patient is seriously ill and needs oxygen inhalation, the above problems are solved through oxygen bags. It is a problem that often occurs when patients visit a doctor. The new wheelchair solves the above technical problems

Contents of the invention

The purpose of the present invention is to provide a new type of wheelchair to solve the problems that the existing wheelchair cannot be unfolded, the patient cannot lie flat, and it is inconvenient to get on and off the wheelchair, and it is inconvenient to carry items.

To achieve the above object, the present invention provides the following technical solutions:

A new type of wheelchair, comprising a seat, a seat back and a leg support plate respectively installed on both sides of the seat, a second Support plate, two symmetrical large casters are installed under the second support plate on the front side, a horizontal shaft is installed between the two large casters, and two symmetrical large casters are installed on the upper surface of the second support plate. The two corners of the rear side of the lower surface of the seat are equipped with a support assembly, the support assembly includes a support rod, the end of the support rod is provided with a limit rod, and the outer cover of the limit rod is provided with a second Two springs, casters are installed below the support assembly, a mounting plate is provided on the casters, and a pedal is provided at the bottom of the leg support plate.

Preferably, the seat is hinged to the seat back and the leg support plate respectively through hinges.

As a preference, a baffle mechanism is installed on both sides of the upper surface of the seat, the baffle mechanism includes a baffle hinged to the chair back, the top of the baffle is provided with an arm plate, and the arm plate An arm slot is provided, and a fixing device is installed near the rear side of the bottom of the baffle. The fixing device includes a fixing block, and a through hole is opened on the fixing block, and a movable rod is embedded inside the through hole. A spring slot is opened in the through hole, a limiting plate and a first spring arranged under the limiting plate are arranged inside the spring slot, and a vomiting barrel is installed on the right side of the baffle.

Preferably, the baffle is provided with a groove near the position of the fixing device, and the movable rod is plugged into the groove.

Preferably, both ends of the first spring are respectively fixed to the limiting plate and the spring groove by glue bonding.

Preferably, an operation panel is installed at a position close to the end of the baffle.

As a preference, a first support plate is provided directly below the seat, and a symmetrical bar-shaped groove is opened on the upper surface of the first support plate, and two side walls of the bar-shaped groove are opened with a defined groove. A sundry box is arranged on the first support plate, and a limiting block is arranged at a position near the left side below the sundry box.

Preferably, the limiting block is slidably connected with the bar-shaped groove.

Preferably, the limiting block is in the shape of a "cross".

Preferably, an oxygen device is installed on the rear side of the seat, and a control panel is installed on the top of the seat.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention can adjust the baffle through the baffle mechanism, so that the patient can be moved to the wheelchair conveniently, and the patient's arm can be placed by the arm plate, which is beneficial to improve the comfort of the patient. Secondly, the designed fixed The device can fix the baffle on the side of the seat to ensure the stability of the baffle on the side of the seat and provide convenience for patients;

2. Through the designed electric push rod of the present invention, the wheelchair can be fully unfolded for the patient to lie flat, providing the patient with a comfortable lying environment;

3. The designed support assembly of the present invention can buffer the pressure of the support rod on the mounting plate when the wheelchair passes through the uneven ground, reduce the discomfort of the patient caused by the vibration, and improve the practicality;

4. The sundries box designed by the present invention is convenient for patients to store sundries. When not in use, it can be moved to the bottom of the seat, reducing space occupation and improving market competitiveness.

5. The lifting device designed by the present invention can adjust the height of the vomit barrel according to the needs, which provides convenience for subsequent collection of vomit and improves practicability.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is the structural representation of baffle plate mechanism in the present invention;

Fig. 3 is the structural representation of fixing device among the present invention;

Fig. 4 is the structural representation of first support plate and miscellaneous box among the present invention;

Fig. 5 is a schematic diagram of a partial cross-sectional structure of the first support plate in the present invention;

Fig. 6 is a structural schematic diagram of a support assembly and casters in the present invention;

Fig. 7 is a schematic cross-sectional structure diagram of a support rod in the present invention;

Fig. 8 is a schematic diagram of the connection explosion structure of the horizontal shaft and the big caster in the present invention;

Fig. 9 is a schematic diagram of the exploded structure of the vomiting bucket and the lifting device in the present invention.

In the figure: 1, chair seat; 2, chair back; 3, leg support plate; 30, pedal; 4, baffle mechanism; 40, baffle; 401, groove; 402, operation panel; 41, setting Arm plate; 411, arm slot; 42, fixing device; 420, movable rod; 4201, limiting plate; 421, first spring; 422, fixed block; 4220, through hole; 4221, spring groove; 43, vomiting bucket; 430, hook groove; 44, lifting device; 440, slide block; 441, hook; 442, connecting rod; 443, electric cylinder; 5, first support plate; 50, strip groove; 501, limit groove; 51, limit Block; 52, sundries box; 6, support assembly; 60, support rod; 61, limit rod; 62, second spring; 7, caster; 70, mounting plate; 8, second support plate; 9, transverse axis ; 10. Electric push rod; 11. Big casters; 12. Oxygen device; 13. Control panel.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features.

Example 1:

A new type of wheelchair, as shown in Fig. 1, Fig. 6, Fig. 7 and Fig. 8, comprises a seat 1, a seat back 2 and a leg support plate 3 respectively installed on both sides of the seat 1, the seat 1 and the seat back 2 and the leg support plate 3 are provided with a second support plate 8 on one side of the joint, and two symmetrical large casters 11 are installed under the second support plate 8 on the front side, and a horizontal crossbar is installed between the two large casters 11. Shaft 9, two symmetrical electric push rods 10 are installed on the upper surface of the second support plate 8, support assemblies 6 are installed at the two corners of the rear side of the lower surface of the seat 1, the support assemblies 6 include support rods 60, and the support rods 60 The end of the limit rod 61 is provided with a second spring 62 outside the limit rod 61. The caster 7 is installed under the support assembly 6. The caster 7 is provided with a mounting plate 70. The bottom end of the leg support plate 3 is provided with a Pedal 30.

In this embodiment, the seat 1 is hinged with the seat back 2 and the leg support plate 3 respectively through hinges, and the seat back 2 and the leg support plate 3 rotate with the hinge as the center of a circle, which is convenient for subsequent adjustment of the seat back 2 and the leg support plate 3 the height of.

Further, the two ends of the electric push rod 10 are respectively hinged with the second support plate 8 and the chair back 2 (leg support plate 3 ). Adjust the angle between the seat 1 and the chair back 2 (leg support board 3 ), thereby adjusting the chair back 2 and the leg support board 3 to improve the comfort of the patient.

Specifically, the end of the support rod 60 is hollow, and the limit rod 61 can move along the inner wall of the support rod 60. The direction of deformation of the second spring 62 is limited by the limit rod 61, which is convenient for subsequent slowing down of the vibration of the support rod 60, and is conducive to improving the seat 1. comfort.

In addition, the caster 11 is rotatably connected with the horizontal shaft 9, the end of the large caster 11 is provided with a horizontal shaft groove, and the center of the large caster 11 is provided with a horizontal shaft hole, and the horizontal shaft 9 passes through the horizontal shaft hole to insert the large caster 11 In the transverse axis groove, the large caster wheel can rotate freely in the transverse axis groove.

The end of the transverse shaft 9 is provided with a threaded hole, and a bolt is arranged in the threaded hole, and the thread on the bolt matches the thread on the inner wall of the threaded hole to generate an active force, and the caster is limited in the transverse shaft groove, ensuring that the caster 11 On the other hand, the large caster 11 is limited in the transverse axis groove by the nut on the bolt, so as to ensure the stability of the large caster 11 on the transverse axis 9.

It is worth noting that when the wheelchair passes through the uneven ground, the wheelchair vibrates so that the support rod 60 squeezes the second spring 62 to compress the second spring 62, and the compression of the second spring 62 produces an elastic force on the support rod 60, which can buffer and support The pressure of the rod 60 on the mounting plate 70 reduces the patient's discomfort caused by the vibration and improves the practicality.

Example 2:

As the second embodiment of the present invention, in order to facilitate the adjustment of the baffle 40 and the convenience of moving the patient to the wheelchair, the inventors set the baffle mechanism 4, as a preferred embodiment, as shown in Figure 2 and Figure 3, A baffle mechanism 4 is installed on both sides of the upper surface of the seat 1. The baffle mechanism 4 includes a baffle 40 hinged with the seat back 2. The top of the baffle 40 is provided with an arm plate 41, and an arm slot is provided on the arm plate 41. 411, a fixing device 42 is installed near the rear side of the bottom of the baffle plate 40, and the fixing device 42 includes a fixing block 422. A spring slot 4221 is opened, and a limiting plate 4201 and a first spring 421 disposed below the limiting plate 4201 are arranged inside the spring slot 4221 , and a vomiting bucket 43 is installed on the right side of the baffle plate 40 .

In this embodiment, the baffle 40 is provided with a groove 401 close to the fixing device 42, and the movable rod 420 is inserted into the groove 401. By inserting the end of the movable rod 420 into the groove 401, the baffle 40 can be limited. On the seat 1 side, ensure the stability of the baffle 40 on the seat 1 side.

Further, the two ends of the first spring 421 are respectively fixed with the limiting plate 4201 and the spring groove 4221 by glue bonding, so as to ensure the stability of the first spring 421 and the limiting plate 4201 in the spring groove 4221, and compress the first spring 421 Deformation provides convenience.

Specifically, an operation panel 402 is installed near the end of the top of the baffle plate 40, and an operation button is installed on the operation panel 402. The operation button is connected with the electric push rod 10 through a wire, and the electric push rod 10 can be turned on or off by the control button. It is convenient to adjust the seat back 2 and the leg support plate 3 later.

In addition, the arm rest plate 41 is made of rubber material, because of its good elasticity, when the patient puts the arm in the arm rest slot 411, the patient's comfort can be improved.

It is worth noting that the vomiting bucket 43 is used for the patient to vomit, which effectively prevents the patient's vomit from splashing around and polluting the wheelchair, thereby ensuring the hygiene requirements of the wheelchair.

Example 3:

As the third embodiment of the present invention, in order to facilitate the storage of sundries and ensure that everyone is responsible for environmental protection, the inventors made improvements to the bottom of the seat 1, as a preferred embodiment, as shown in Figure 4 and Figure 5 As shown, a first support plate 5 is provided directly under the seat 1, and a symmetrical bar-shaped groove 50 is opened on the upper surface of the first support plate 5. The two side walls of the bar-shaped groove 50 are provided with limiting grooves 501. The first support plate A sundry box 52 is arranged on the board 5 , and a limiting block 51 is arranged at the position below the sundry box 52 near the left side.

In this embodiment, the limiting block 51 is in the shape of a "ten", the sundry box 52 and the limiting block 51 are bonded and fixed by glue, and the sundry box 52 is limited on the first support plate 5 by the limiting block 51, which is convenient for subsequent use .

Further, the limiting block 51 is slidably connected with the bar-shaped groove 50, and the end of the limiting block 51 is arc-shaped, which is convenient for the limiting block to move along the inner wall of the limiting groove 501. When moving the sundry box 52, the limiting block 51 can move along the strip-shaped The inner wall of the groove 50 moves, and there is friction between the limiting block 51 and the inner wall of the strip groove 50. In the case of no external force acting on the sundry box 52, the sundry box 52 can rest on any one of the first support plates 5. The position ensures the stability of the miscellaneous box 52 on the first support plate 5 .

Specifically, an oxygen device 12 is installed on the rear side of the seat 1, and a control panel 13 is installed on the top of the seat 1. The control panel 13 is provided with a control switch, and the oxygen device 12 is turned on or off by the control switch to provide convenience for subsequent oxygen supply. .

It is worth noting that the oxygen device 12 involved in this embodiment can be an oxygen supplier of model 108-2-15 produced by Shandong Pangtong Biotechnology Co., Ltd., and its matching valves and control switches can also be provided by the manufacturer. In addition, the pipelines, electronic components and modules involved in the present invention are all existing technologies, which can be realized by those skilled in the art. Needless to say, the protection content of the present invention does not involve the improvement of internal structures and methods .

Example 4:

As the fourth embodiment of the present invention, in order to facilitate the collection of the patient's vomitus, the inventors improved one side of the vomit bucket 43, as a preferred embodiment, as shown in Figure 9, the vomit bucket 43 is close to the baffle The inner side of 40 is equipped with lifting device 44, and lifting device 44 comprises connecting rod 442, and the two ends of connecting rod 442 are all provided with hook 441, and one side of hook 441 is provided with slide block 440, and the bottom of connecting rod 442 is equipped with electric cylinder 443 A hook groove 430 is provided on the inner side of the vomit bucket 43 near the hook 441 .

In this embodiment, a slider groove is provided on the side wall of the baffle plate 40 close to the slider 440, and chute grooves are arranged on both sides of the slider groove, and limiting shafts are arranged on both sides of the slider 440. By inserting the limiting shaft into the slider In the groove, the slider 440 is defined in the slider groove to ensure the stability of the slider 440 moving in the slider groove.

Further, when the electric cylinder 443 is turned on, the piston rod of the electric cylinder 443 can drive the connecting rod 442 to move, and then the slider 440 can be moved along the inner wall of the slider groove, and the vomit bucket 43 can be driven by the slider 440 on the side of the baffle 40 The wall is raised or lowered to facilitate subsequent collection of vomitus.

Specifically, the hook 441 can be inserted into the hook groove 430 to fix the vomit bucket 43 on the side wall of the baffle 40 , which facilitates subsequent disassembly and fixing of the vomit bucket 43 .

In addition, an article hook is provided near the top of the back of the chair back 2, which is convenient for patients to hang articles and improves practicality.

When the novel wheelchair of the present invention is in use, when the wheelchair is unfolded, at first, the electric push rod 10 is started in sequence, and the angle between the seat 1 is changed through the contraction of the piston rod of the electric push rod 10 on the side of the seat back 2, so that the seat back 2. The included angle with the horizontal plane becomes 0, and the piston rod of the electric push rod 10 on one side of the leg support plate 3 extends out to change the included angle between the seat 1, so that the included angle between the leg support plate 3 and the horizontal plane changes to 0, the wheelchair is fully unfolded, allowing the patient to lie flat, providing the patient with a comfortable lying environment;

When adjusting the baffle 40, the baffle 40 can be rotated around the hinge hinged with the chair back 2, thereby adjusting the position of the baffle 40 on the wheelchair, which provides convenience for subsequent use. When the baffle 40 is close to the fixing device 42 By inserting the end of the movable rod 420 into the groove 401, the baffle 40 is limited to the side of the seat 1 to ensure the stability of the baffle 40 on the side of the seat 1. When the end of the movable rod 420 breaks away from the recess When the groove 401 is in place, the inner wall of the groove 401 squeezes the end of the movable rod 420, so that the movable rod 420 moves in the through hole 4220 along the inner wall of the through hole 4220, so that the limiting plate 4201 compresses the first spring 421, and the first spring 421 compression, when the end of the movable rod 420 breaks away from the groove 401, the movable rod 420, under the elastic force of the compressed first spring 421, pushes the movable rod 420 to move in the opposite direction along the inner wall of the through hole 4220 through the limiting plate 4201, so that it can be moved again Limit the baffle 40 to one side of the seat 1;

When storing sundries, by moving the sundries box 52, the limiting block 51 can be moved along the inner wall of the strip groove 50, so that the sundries box 52 can be moved to the side of the first support plate 5, which is convenient for the patient to place sundries , when the glove box 52 is not in use, move it to the center of the first support plate 5 in reverse to reduce space occupation;

When adjusting the height of the vomiting bucket 43, first, when the electric cylinder 443 is turned on, the piston rod of the electric cylinder 443 can drive the connecting rod 442 to move, and then the slider 440 can be moved along the inner wall of the slider groove, and the slider 440 can drive the vomiting The barrel 43 is raised or lowered on the side wall of the baffle plate 40 to provide convenience for subsequent collection of vomitus.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and those described in the above-mentioned embodiments and description are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. a kind of wheel-chair, including seat (1) and it is separately mounted to the chair back (2) and thigh support board of seat (1) two sides (3), it is characterised in that: the seat (1) and the chair back (2) and the junction side of the thigh support board (3) are equipped with the Two support plates (8), there are two symmetrical big castors (11) for the lower section installation of front side second support plate (8), described in two It is equipped with horizontal axis (9) between big castor (11), there are two symmetrical electric pushrods for the second support plate (8) upper surface installation (10), it is equipped with support component (6) at the two corners on rear side of seat (1) lower surface, the support component (6) includes support rod (60), the end of the support rod (60), which is equipped with, limits bar (61), and second spring (62), institute are arranged with outside the restriction bar (61) It states and is equipped with below support component (6) Caster (7), the Caster (7) is equipped with mounting plate (70), the thigh support Plate (3) bottom end is equipped with foot pedal (30)；The seat (1) passes through hinge with the chair back (2) and the thigh support board (3) respectively Chain is hinged；Seat (1) the upper surface two sides are equipped with baffle mechanism (4), and the baffle mechanism (4) includes and the chair back (2) hinged baffle (40) are equipped at the top of the baffle (40) and set arm plate (41), it is described set to offer on arm plate (41) set arm slot (411), baffle (40) bottom is equipped with fixed device (42) close to the position of rear side, and the fixed device (42) includes solid Determine block (422), offered through-hole (4220) on the fixed block (422), is embedded with motion bar inside the through-hole (4220) (420), it is offered spring groove (4221) in the through-hole (4220), is equipped with limiting plate (4201) inside the spring groove (4221) With the first spring (421) below limiting plate (4201) is set, vomiting bucket (43) is installed on the right side of the baffle (40).

2. wheel-chair according to claim 1, it is characterised in that: the baffle (40) is close to the fixed device (42) Position opens up fluted (401), and the motion bar (420) and the groove (401) are mating.

3. wheel-chair according to claim 1, it is characterised in that: the both ends of first spring (421) respectively with institute State being adhesively fixed by glue for limiting plate (4201) and the spring groove (4221).

4. wheel-chair according to claim 1, it is characterised in that: pacify at the top of the baffle (40) by the position of close end Equipped with operation panel (402).

5. wheel-chair according to claim 1, it is characterised in that: the seat (1) is arranged right below the first support Plate (5), the first support plate (5) upper surface offer symmetrical strip groove (50), the interior two sidewalls of the strip groove (50) It offers and limits slot (501), first support plate (5) is equipped with undertray (52), close to left below the undertray (52) The position of side is equipped with stop block (51).

6. wheel-chair according to claim 5, it is characterised in that: the stop block (51) and the strip groove (50) are sliding Dynamic connection.

7. wheel-chair according to claim 5, it is characterised in that: the stop block (51) is in " ten " font.

8. wheel-chair according to claim 1, it is characterised in that: be equipped with oxygen unit on rear side of the seat (1) (12), control panel (13) are installed at the top of the seat (1).