Wheelchair capable of shading sun and rain

Abstract

The utility model discloses a wheel chair capable of shading sun and rain, which is characterized in that front support cylinders are respectively arranged on two sides of the front end of the wheel chair, and the wheel chair further comprises an umbrella support mechanism and an umbrella; the umbrella supporting mechanism is installed on a front supporting cylinder and used for supporting and installing an umbrella, and the umbrella comprises an umbrella supporting rod. The umbrella supporting mechanism comprises a rotating cylinder, a first limiting plate, a second limiting plate, a supporting rod, a storage cylinder, a rotating lock catch, a first limiting pin and a first spring. The first limiting plate and the second limiting plate are installed on the front supporting cylinder in a spaced mode, the front supporting cylinder is sleeved with the rotating cylinder, the rotating cylinder is arranged between the first limiting plate and the second limiting plate, and a through hole is formed in the side face, corresponding to the first limiting pin, of the rotating cylinder. One end of the supporting rod is mounted on the rotating cylinder, a storage cylinder is mounted at the other end of the supporting rod, and a rotating lock catch is mounted at the top of the storage cylinder; the umbrella supporting rod penetrates through the rotary lock catch and extends into the storage cylinder, and the rotary lock catch movably clamps the umbrella supporting rod to be fixed to the storage cylinder. The umbrella has the advantages of being capable of shading sun and rain, capable of adjusting the height of the umbrella and the like.

Description

Technical Field

[0001] The utility model relates to a wheelchair which can provide shade and shelter from rain. Background Art

[0002] A wheelchair is a chair with wheels that can help replace walking. It is an important means of transportation for the wounded, sick, and disabled for home rehabilitation, transportation, medical treatment, and outdoor activities. A wheelchair not only meets the transportation needs of the physically disabled and those with mobility difficulties, but more importantly, it makes it easier for family members to move and care for the patients, allowing the patients to exercise and participate in social activities with the help of a wheelchair.

[0003] When patients use wheelchairs to move around outdoors, they will inevitably encounter scorching sun, rain, and other weather conditions. For this reason, existing wheelchairs are equipped with sunshade and rain shelter devices. For example, Chinese patent application (CN114948466A) discloses a wheelchair with sunshade function in its specification, which includes a seat, a backrest, and a wheel frame. The seat and backrest are both mounted on the wheel frame, and support rods are provided on both sides of the wheel frame. The backrest is a structure with an internal hollow opening facing upward. A sunshade component is provided inside the backrest, and the sunshade component is slidably connected to the backrest; one side of the sunshade component is connected to the backrest, and the other side can slide out of the backrest and be detachably connected to the support rod. However, the sunshade component is mounted on the backrest, and the patient sits in the wheelchair with his back close to the backrest, making it difficult for him to turn around. When sunshade is needed, it is difficult for the patient to operate the sunshade component by himself. Summary of the Invention

[0004] The purpose of the utility model is to provide a wheelchair that can provide shade and shelter from rain in view of the defects of the existing technology.

[0005] In order to achieve the above-mentioned purpose of the utility model, the following technical solutions are adopted:

[0006] A wheelchair that can provide shade and shelter from rain, wherein a front support tube is installed on both sides of the front end of the wheelchair, and also includes an umbrella support mechanism and an umbrella; the umbrella support mechanism is installed on a front support tube for supporting and installing the umbrella, and the umbrella includes an umbrella support rod; the umbrella support mechanism includes a rotating cylinder, a first limiting plate, a second limiting plate, a support rod, a storage tube, a rotary lock, a first limit pin and a first spring; the first limiting plate and the second limiting plate are installed at intervals on the front support tube, the rotating cylinder is sleeved on the front support tube and placed between the first limiting plate and the second limiting plate, and a through hole is provided on the side surface of the rotating cylinder corresponding to the first limit pin; one end of the support rod is installed on the rotating cylinder, and the other end is installed on the storage tube, and the top of the storage tube is installed with a rotary lock; the umbrella support rod is passed through the rotary lock and extends into the storage tube, and the rotary lock movably clamps the umbrella support rod and fixes it to the storage tube.

[0007] As a further improvement of the present invention, a wheelchair that can provide shade and shelter from rain also includes a second limit pin and a second spring. The second spring is installed on the front support tube. The second limit pin and the first limit pin are on the same circumference and are movably inserted into the front support tube and connected to the second spring.

[0008] As a further improvement of the present invention, a wheelchair capable of providing shade and shelter from rain further comprises a support column and a chassis, wherein the chassis is installed in a front support tube, and the support column is uprightly installed on the chassis for supporting and installing a first spring and a second spring.

[0009] As a further improvement of the present invention, the angle between the first limiting pin and the second limiting pin is 90° to 180°.

[0010] As a further improvement of the present invention, a wheelchair that can provide shade and shelter from rain also includes a retractable member, a shielding member, a blocking rod and a hook. A retractable member is installed on each of the two front support tubes. One end of the shielding member is rolled up and wrapped around the retractable member, and the other end extends out and is connected to the blocking rod. The blocking rod is provided with at least one buckle groove, and a hook is installed on the side of the wheelchair corresponding to the buckle groove.

[0011] As a further improvement of the present invention, the winding member includes a support tube, the two ends of which are blocked; a support shaft, which passes through the two ends of the support tube; and a clockwork spring, which is wound around the support shaft and has one end connected to the support shaft; and the other end connected to the shielding member.

[0012] As a further improvement of the present invention, one end of the hook is horizontally arranged, and the other end is bent downward.

[0013] As a further improvement of the present invention, the wheelchair capable of providing shade and shelter from rain further comprises an umbrella storage tube, which is installed on the side of the wheelchair and is used for storing an umbrella.

[0014] As a further improvement of the present invention, the umbrella storage tube is a conical tube structure, which is installed upside down on the wheelchair. At least one side groove is provided on the side of the umbrella storage tube, and a bottom through hole is provided on the bottom.

[0015] As a further improvement of the present invention, the length of the support rod is less than or equal to the width of the seat plate of the wheelchair.

[0016] The present invention has the following advancements over the prior art:

[0017] The utility model has the functions of providing shade and shelter from rain, and is convenient for patients in wheelchairs to operate on their own, thus achieving shade and shelter from rain. Specifically, when in use, the support rod is held and driven to rotate the rotating drum. When the first limit pin is retracted into the through hole of the rotating drum, the first limit pin restricts the rotation of the rotating drum. The rotating lock is turned to insert the umbrella support rod of the umbrella into the rotating lock and extend it into the storage tube. The umbrella is adjusted to the desired height by using the umbrella support rod. The rotating lock is then turned in the opposite direction to clamp the umbrella support rod on the storage tube. The umbrella is then installed and can be used to provide shade and shelter from rain. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings required for the specific embodiments or the description of the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. Elements or parts in the drawings are not necessarily drawn to scale.

[0019] Figure 1 This is a structural schematic diagram of a wheelchair capable of providing shade and shelter from rain according to the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of the utility model without an umbrella installed;

[0021] Figure 3 This is a structural diagram of the umbrella support mechanism of the present invention;

[0022] Figure 4 This is a schematic diagram of the expanded structure of the umbrella support mechanism of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the roll receiving device in the present invention;

[0024] The serial numbers in the figure and their corresponding component names:

[0025] 1-wheelchair, 101-front support tube, 102-seat plate, 103-backrest plate, 104-baffle, 105-activity space, 106-armrest pad, 107-rear support, 108-diagonal support frame, 109-calf baffle, 110-footrest, 111-auxiliary travel wheel, 112-driving wheel, 2-umbrella support mechanism, 21-rotating cylinder, 22-first limit plate, 23-second limit plate, 24-first limit pin, 25-first Spring, 26-support column, 27-chassis, 28-support rod, 29-storage tube, 210-rotating lock, 211-second limit pin, 212-second spring, 213-through hole, 3-blocking rod, 31-buckle groove, 4-shielding piece, 5-winding piece, 51-clockwise spring, 52-support shaft, 53-support tube, 6-umbrella, 61-umbrella support rod, 7-hook, 8-umbrella storage tube, 81-side groove, 82-bottom through hole. DETAILED DESCRIPTION

[0026] In order to enable people skilled in the art to better understand the technical solutions in this application, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of this application. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0027] like Figure 1-5 As shown, a wheelchair that provides shade and shelter from the sun and rain is shown. The wheelchair 1 includes a seat plate 102. Front support cylinders 101 are mounted on both sides of the front end of the seat plate 102, and a rear bracket 107 is mounted on the rear end. Drive wheels 112 are rotatably mounted on both sides of the bottom of the rear bracket 107. One end of the front support cylinder 101 extends above the seat plate 102, while the other end extends below the seat plate 102 to connect to auxiliary travel wheels 111. A diagonal support frame 108 is mounted on one end of the seat plate 102 and extends downward at an angle at the other end. A footrest 110 and a calf guard 109 are mounted on the diagonal support frame 108. The calf guard 109 supports the calf and prevents the foot from falling off the footrest 110. The footrest 110 supports the patient's foot. A guard 104 is mounted on the side of the seat plate 102 near the drive wheel 112 to prevent the patient on the seat plate from moving toward the drive wheel. It also includes an umbrella support mechanism 2 and an umbrella 6; the umbrella support mechanism 2 is installed on a front support tube 101 for supporting and installing the umbrella 6, and the umbrella 6 includes an umbrella support rod 61; the umbrella support mechanism 2 includes a rotating cylinder 21, a first limiting plate 22, a second limiting plate 23, a support rod 28, a storage tube 29, a rotary lock 210, a first limit pin 24 and a first spring 25; the first limiting plate 22 and the second limiting plate 23 are installed at intervals on the front support tube 101, the rotating cylinder 21 is sleeved on the front support tube 101 and placed between the first limiting plate 22 and the second limiting plate 23, and a through hole 213 is opened on the side of the rotating cylinder 21 corresponding to the first limit pin 24; one end of the support rod 28 is installed on the rotating cylinder 21, and the other end is installed with a storage tube 29, and a rotary lock 210 is installed on the top of the storage tube 29; the umbrella support rod 61 is passed through the rotary lock 210 and extends into the storage tube 29, and the rotary lock 210 movably clamps the umbrella support rod 61 and fixes it to the storage tube 29.

[0028] The length of the support rod 28 is less than or equal to the width of the seat plate 102 of the wheelchair 1. The length of the support rod can be set as needed. When the length of the support rod 28 is equal to the width of the seat plate 102 of the wheelchair 1, the support rod 28 is arranged parallel to the front surface of the wheelchair 1, which facilitates the umbrella to cover the wheelchair.

[0029] It should be noted that the rotary lock can be a telescopic rod positioner available on the market.

[0030] It is understood that when the umbrella is not in use, the umbrella support mechanism can be rotated relative to the front support tube, and the umbrella support mechanism can be rotated to be parallel to the side of the wheelchair, which can facilitate the patient to sit on the seat board or get up from the seat board.

[0031] In some embodiments, in order to achieve locking when the umbrella support mechanism is idle, a second limit pin 211 and a second spring 212 are additionally installed. The second spring 212 is installed on the front support tube 101. The second limit pin 211 and the first limit pin 24 are on the same circumference and are movably inserted into the front support tube 101 and connected to the second spring 212.

[0032] The angle between the first limiting pin 24 and the second limiting pin 211 is 90° to 180°. The angle can be 90°, 100°, 110°, 120°, 130°, 135°, 140°, 145°, 150°, 155°, 160°, 170° or 180°. For example, when the angle between the first limiting pin 24 and the second limiting pin 211 is 90°, when in use, the position of the support rod is as follows: Figure 1 、 2 When idle, the support rod can swing outward to be parallel to the baffle 104 , at which time, the second limiting pin 211 is inserted into the through hole 213 under the push of the second spring 212 , and the second limiting pin 211 limits the rotation of the drum 21 .

[0033] One end of the first limiting pin and the second limiting pin protruding from the front support tube is provided with a ball head.

[0034] It should be noted that the first and second stop pins 24 and 211 each have one end inserted into the front support cylinder and the other end extending out of the front support cylinder. The extended portion is squeezed by the rotating cylinder. Therefore, when the first and second stop pins 24 and 211 are not inserted into the through-holes, they are squeezed by the rotating cylinder and pressed into the front support cylinder. The stop pins, in turn, compress the springs and elastically deform. When the through-hole on the rotating cylinder rotates to the first stop pin 24, the first spring 25 pushes the first stop pin 24 into the through-hole 213. When the through-hole on the rotating cylinder rotates to the second stop pin 211, the second spring 212 pushes the second stop pin 211 into the through-hole 213.

[0035] When releasing the limiting effect of the first limit pin or the second limit pin on the rotating drum, the first limit pin or the second limit pin is squeezed inward relative to the through hole, and then the rotating drum is driven to rotate by the support rod, and the through hole is disengaged from the first limit pin or the second limit pin, thereby releasing the restriction on the rotating drum.

[0036] In some embodiments, a spring mounting structure is provided, with a support column 26 and a chassis 27. The chassis 27 is mounted in the front support cylinder 101, and the support column 26 is vertically mounted on the chassis 27 for supporting and mounting the first spring 25 and the second spring 212.

[0037] In some optional embodiments, to protect the sides of the wheelchair from rain, a retractor 5, a shielding member 4, a blocking rod 3, and a hook 7 are additionally installed. A retractor 5 is mounted on each of the two front support cylinders 101. One end of the shielding member 4 is wound around the retractor 5, and the other end extends out to connect to the blocking rod 3. The blocking rod 3 has at least one snap-in slot 31. Hooks 7 are mounted on the sides of the wheelchair 1 corresponding to the snap-in slots 31.

[0038] like Figure 1 、 2 As shown, a movement space 105 is formed between the baffle 104 and the reel 5. This space 105 provides space for applying force when the wheelchair needs to be lifted. Specifically, when the wheelchair needs to be lifted, a medical professional can stand on each side of the wheelchair. The medical professional can grasp the reel through the movement space and simultaneously lift the wheelchair upwards, allowing two medical professionals to lift the wheelchair simultaneously.

[0039] like Figure 1 、 2 As shown, the hook 7 can also be installed on the baffle 104. The number of the hooks can be 1, 2 or 3, etc.

[0040] When the blocking rod is connected to the hook, the buckle slot 31 on the blocking rod 3 is sleeved on the hook 7, and the hook 7 is buckled and connected with the buckle slot 31. The hook pulls the blocking rod, and the blocking retracting member is prevented from retracting the shielding member.

[0041] like Figure 1 、 2 As shown, the reel 5 serves as an armrest of the wheelchair, and an armrest pad 106 may be installed on the top of the reel.

[0042] Furthermore, a structure of a roll receiving piece is provided. Figure 5 As shown, the retractor 5 includes a support tube 53, a support shaft 52, and a spring 51. The support tube 53 is sealed at both ends. The support shaft 52 extends through both ends of the support tube 53. The spring 51 is wound around the support shaft 52, with one end connected to the support shaft 52 and the other end connected to the shielding member 4.

[0043] It is understandable that a long groove is provided on the support tube 53 along the length direction for the shielding member to extend out of the support tube.

[0044] The blocking rod 3 is connected to one end of the shielding member 4 to prevent the shielding member from being completely retracted in the support tube 53. It is also convenient to extend the shielding member outward from the support tube by pulling the blocking rod.

[0045] How volume collection works:

[0046] Pulling the blocking rod 3 toward the hook 7 causes the shielding member 4 to extend outward from the support tube 53. This outward movement of the shielding member 4 simultaneously pulls on the spring spring 51, causing it to undergo elastic bending deformation, generating elastic potential energy. The snap-fit ​​groove 31 on the blocking rod 3 is inserted into the hook 7, creating a snap-fit ​​connection between the hook 7 and the snap-fit ​​groove 31. The hook 7 pulls the blocking rod 3, which in turn pulls the shielding member 4, preventing the spring spring 51 from pulling the shielding member 4 toward the support tube. The shielding member 4 covers the active space 105, preventing rainwater from entering the seat 102 through the active space 105 during rainy days. Of course, the shielding member can also be used to cover the active space when walking on wet roads to prevent water from splashing onto the seat panel through the active space on the drive wheel 112.

[0047] When the shielding member is no longer needed to cover the activity space, the blocking rod is disengaged from the hook, the blocking rod is released, the spring 51 is elastically reset, and the shielding member is pulled to be rolled up in the support tube, so that the shielding member is automatically rolled up in the support tube.

[0048] In some optional embodiments, a structure of the hook is provided, wherein one end of the hook 7 is horizontally arranged and the other end is bent downward.

[0049] When the hook is buckled with the blocking rod through the buckle groove, the downwardly bent end of the hook can prevent the blocking rod from being separated from the hook.

[0050] In some optional embodiments, in order to facilitate the placement of umbrellas, an umbrella storage tube 8 is additionally installed. Figure 1 、 2 As shown, the umbrella storage tube 8 is installed on the side of the wheelchair 1 for storing the umbrella 6.

[0051] When the umbrella is not in use, the umbrella can be detached from the umbrella support mechanism and then inserted into the umbrella storage tube for storage.

[0052] In some optional embodiments, a structure of an umbrella storage tube is provided. Figure 1 、 2 As shown, the umbrella storage tube 8 is a conical tube structure and is installed upside down on the wheelchair 1. At least one side groove 81 is opened on the side of the umbrella storage tube 8, and a bottom through hole 82 is opened at the bottom.

[0053] The side grooves 81 that can be opened on the umbrella storage tube 8 have 1, 2, 3 or 4. The side grooves can discharge the rainwater in the umbrella storage tube outwards.

[0054] The bottom through hole 82 is used to drain the water in the umbrella storage tube from the bottom, so as to prevent rainwater from accumulating in the umbrella storage tube on rainy days.

[0055] Working mode of this utility model:

[0056] In the initial state, the umbrella 6 is stored in the umbrella storage tube 8 , the support rod 28 and the baffle 104 are arranged in parallel, and the second limiting pin 211 is inserted into the through hole 213 of the rotating drum 21 .

[0057] Umbrella operation: The second limiting pin 211 is pressed inward, disengaging the second limiting pin 211 from the through hole 213. The first limiting plate 22 and the second limiting plate 23 clamp the rotating drum 21, preventing the rotating drum 21 from moving along the front support tube 101. The supporting rod 28 then drives the rotating drum 21 to rotate until the first limiting pin 24 is inserted into the through hole 213 of the rotating drum 21. At this point, the first limiting pin 24 blocks the rotation of the rotating drum 21. The first limiting pin 24 and the second limiting pin 211 form a 90° angle, and the supporting rod 28 is arranged parallel to the front end of the wheelchair 1.

[0058] The umbrella 6 is opened by turning the rotary lock 210. One end of the umbrella support rod 61 is then inserted into the rotary lock 210 and extended into the storage tube 29. The umbrella support rod 61 is moved up and down to the desired height of the umbrella. The rotary lock 210 is then turned in the opposite direction, clamping the umbrella support rod 61 to the storage tube 29. The first stop pin 24 is now inserted into the through hole 213 of the rotating drum 21, preventing the rotating drum 21 from rotating, thereby effectively supporting the support rod, which then supports the umbrella to cover the wheelchair.

[0059] The active space 105 is shielded by pulling the blocking rod 3 toward the hook 7 and sleeve the blocking rod 3 on the hook through the buckle slot. The shielding member 4 is pulled outward from the support tube 51 by the blocking rod 3 and covers the active space 105.

[0060] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will appreciate that other variations or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A wheelchair capable of providing shade and shelter from rain, wherein a front support cylinder (101) is mounted on both sides of the front end of the wheelchair (1), characterized in that: It also includes an umbrella support mechanism (2) and an umbrella (6); the umbrella support mechanism (2) is installed on a front support tube (101) and is used to support and install the umbrella (6); the umbrella (6) includes an umbrella support rod (61); The umbrella support mechanism (2) comprises a rotating drum (21), a first limiting plate (22), a second limiting plate (23), a support rod (28), a storage drum (29), a rotary lock (210), a first limiting pin (24) and a first spring (25); the first limiting plate (22) and the second limiting plate (23) are installed on the front support drum (101) at intervals, the rotating drum (21) is sleeved on the front support drum (101) and placed between the first limiting plate (22) and the second limiting plate (23), and a through hole (213) is provided on the side surface of the rotating drum (21) corresponding to the first limiting pin (24); one end of the support rod (28) is installed on the rotating drum (21), and the other end is installed with the storage drum (29), and the top of the storage drum (29) is installed with a rotary lock (210); The umbrella support rod (61) is provided with a rotary lock buckle (210) and extends into the storage tube (29); the rotary lock buckle (210) movably clamps the umbrella support rod (61) and fixes it to the storage tube (29).

2. The wheelchair capable of providing sun and rain protection according to claim 1, characterized in that: It also includes a second limiting pin (211) and a second spring (212), wherein the second spring (212) is installed on the front support tube (101), and the second limiting pin (211) and the first limiting pin (24) are located on the same circumference and are movably inserted into the front support tube (101) and connected to the second spring (212).

3. The wheelchair capable of providing sun and rain protection according to claim 2, characterized in that: It also includes a support column (26) and a chassis (27), wherein the chassis (27) is installed in the front support tube (101), and the support column (26) is vertically installed on the chassis (27) for supporting and installing the first spring (25) and the second spring (212).

4. The wheelchair capable of providing sun and rain protection according to claim 2, characterized in that: The included angle between the first limiting pin (24) and the second limiting pin (211) is 90° to 180°.

5. The wheelchair capable of providing sun and rain protection according to claim 1, characterized in that: The wheelchair (1) further comprises a reeling member (5), a shielding member (4), a blocking rod (3) and a hook (7); each of the two front support tubes (101) is provided with a reeling member (5); one end of the shielding member (4) is rolled up and wound around the reeling member (5); the other end extends out and is connected to the blocking rod (3); the blocking rod (3) is provided with at least one snap groove (31); and a hook (7) is provided on the side of the wheelchair (1) corresponding to the snap groove (31).

6. The wheelchair capable of providing sun and rain protection according to claim 5, characterized in that: The reel (5) comprises A support tube (53), both ends of the support tube (53) are sealed; A support shaft (52), wherein the support shaft (52) passes through both ends of the support cylinder (53); as well as A spring (51) is wound around a support shaft (52), with one end connected to the support shaft (52) and the other end connected to the shielding member (4).

7. The wheelchair capable of providing sun and rain protection according to claim 5, characterized in that: One end of the hook (7) is arranged horizontally, and the other end is bent downward.

8. The wheelchair capable of providing sun and rain protection according to claim 1, characterized in that: It also includes an umbrella storage tube (8), which is installed on the side of the wheelchair (1) and is used to store the umbrella (6).

9. The wheelchair capable of providing sun and rain protection according to claim 8, characterized in that: The umbrella storage tube (8) is a conical tube structure and is installed upside down on the wheelchair (1). At least one side groove (81) is provided on the side of the umbrella storage tube (8), and a bottom through hole (82) is provided at the bottom.

10. The wheelchair capable of providing sun and rain protection according to claim 1, characterized in that: The length of the support rod (28) is less than or equal to the width of the seat plate (102) on the wheelchair (1).

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