Connecting piece for starting mechanism of electric wheelchair

Abstract

The utility model discloses a connecting piece for a starting mechanism of an electric wheelchair, which belongs to the field of connecting pieces and comprises a cross rod, and two groups of mounting plates used for being connected with a back plate of the electric wheelchair are detachably mounted on the cross rod along the axial direction of the cross rod. According to the connecting piece for the starting mechanism of the electrically propelled wheelchair, the back plate of the electrically propelled wheelchair is firstly placed between the two groups of mounting plates through the arranged mounting plates, and the positioning bolts sequentially penetrate through the mounting holes and the back plate of the electrically propelled wheelchair, so that the positioning operation of the back plate of the electrically propelled wheelchair is completed; after auxiliary bolts penetrate through the two groups of reinforcing holes which are symmetrically distributed relative to the mounting holes, connection between the back plate of the electric wheelchair and the two groups of mounting plates can be further reinforced, a worker firstly penetrates through a penetrating ring into a penetrating groove and enables a plurality of groups of positioning blocks to penetrate into a plurality of groups of positioning grooves through an arranged connecting component, and then the connecting component is used for connecting the back plate of the electric wheelchair with the two groups of mounting plates; therefore, the penetrating ring can be rapidly and stably installed into the connecting plate, and annular clamping operation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of connecting piece, specifically relates to a kind of electric wheelchair starting mechanism connecting piece. BACKGROUND

[0002] The existing electric wheelchair includes vehicle body, two front wheels, two rear wheels, direction drive switch, seat and controller, handle is provided on seat, direction drive switch is arranged on handle and is connected with controller, two rear wheels are equipped with hub motor, hub motor is connected with controller, user controls direction drive switch by hand to control the forward movement, reverse movement, left turn and right turn of wheelchair, the most important thing in electric wheelchair is starting mechanism, it is equivalent to cylinder to push electric wheelchair backboard to overturn and move up or down, and the connection between electric wheelchair backplate, electric wheelchair seat and electric wheelchair cross shaft through connecting piece becomes the problem to be solved urgently.

[0003] The utility model attempts to alleviate or at least mitigate such problems or deficiencies by providing a new or otherwise improved connecting piece. SUMMARY

[0004] In view of one or more of the above deficiencies or improvement needs of the prior art, the utility model provides an electric wheelchair starting mechanism connecting piece, which has the advantage of stable connection between the electric wheelchair backplate, the electric wheelchair seat and the electric wheelchair cross shaft through the connecting piece.

[0005] To achieve the above object, the utility model provides an electric wheelchair starting mechanism connecting piece, which comprises a cross bar, two groups of mounting plates for connecting with the electric wheelchair backplate are detachably mounted on the cross bar along its axial direction, and a mounting hole is formed in the mounting plate for positioning bolt to pass through;

[0006] Two groups of curved rods are detachably mounted on the left and right ends of the cross bar respectively, and both groups of the curved rods extend downward along the longitudinal direction.

[0007] Two groups of connecting members for connecting with the electric wheelchair seat are detachably mounted on the middle segments of the two groups of curved rods respectively.

[0008] Two groups of sleeves are detachably mounted on the bottom segments of the curved rods, and an area for the electric wheelchair cross shaft to pass through is formed between the two groups of sleeves.

[0009] As a further improvement of the utility model, two groups of reinforcing holes are also formed in the mounting plate, and the two groups of reinforcing holes are symmetrically distributed about the mounting hole, and the reinforcing hole can be passed through by auxiliary bolt.

[0010] As a further improvement of the utility model, the connecting member comprises

[0011] An adapter plate is detachably mounted on the middle section of the curved rod, a through slot is formed in the adapter plate, and a plurality of positioning slots are formed in the adapter plate and are in communication with the through slot;

[0012] A through ring is removably arranged in the through slot, and a plurality of positioning blocks are arranged on the through ring, the positioning blocks correspond to the positioning slots, and the positioning blocks can pass through the positioning slots.

[0013] As a further improvement of the present application, the caliber of the positioning blocks and the caliber of the positioning slots are adapted to each other, and the caliber of the through ring and the caliber of the through slot are adapted to each other.

[0014] As a further improvement of the present application, a first inner smooth ring is detachably mounted in the through ring, and the size of the first inner smooth ring is adapted to the size of the through ring.

[0015] As a further improvement of the present application, a ring-shaped gasket is detachably mounted in the first inner smooth ring, and the size of the ring-shaped gasket is adapted to the size of the first inner smooth ring.

[0016] As a further improvement of the present application, a second inner smooth ring is detachably mounted in the sleeve, and the size of the second inner smooth ring is adapted to the size of the sleeve.

[0017] As a further improvement of the present application, a plurality of inner friction contact pieces are detachably arranged on the inner circumferential surface of the second inner smooth ring, and the inner friction contact pieces are arranged in a circumferential array around the center of the cross section of the second inner smooth ring.

[0018] Overall, the above technical solutions conceived by the present application have the following beneficial effects compared with the prior art:

[0019] The utility model discloses an electric wheelchair starting mechanism connecting piece, through the installation board of layout, first electric wheelchair backboard is placed between two groups of installation board, and the positioning bolt is passed from the installation hole and electric wheelchair backboard in proper order to the positioning operation of electric wheelchair backboard is completed, and the connection between electric wheelchair backboard and two groups of installation board can be further reinforced after two groups of reinforcing holes about installation hole are passed through, through the link component of layout, the staff first passes into the ring to the slot, and makes a plurality of positioning blocks pass into a plurality of positioning slots, so that the ring can be quickly and stably loaded into the link plate, to realize annular clamping operation, and the disassembly maintenance of the ring is convenient subsequently, and then the staff passes the horizontal shaft in electric wheelchair seat plate into the first inner smooth ring in proper order, to complete the installation of electric wheelchair seat plate and link component whole, through the sleeve and the second inner smooth ring and the inner friction contact piece of layout, the connection between sleeve and electric wheelchair horizontal shaft can be more smooth and stable. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole structural schematic diagram of the utility model electric wheelchair starting mechanism connecting piece;

[0021] Figure 2 It is structural schematic diagram when the utility model electric wheelchair starting mechanism connecting piece is viewed from another angle;

[0022] Figure 3 It is whole structural schematic diagram of the utility model link component;

[0023] Figure 4 It is the utility model link component's explosion map;

[0024] Figure 5 It is structural schematic diagram when the utility model sleeve and the second inner smooth ring are connected;

[0025] Figure 6 It is structural schematic diagram when the utility model sleeve and the second inner smooth ring are separated.

[0026] In all drawings, same reference signs represent same technical features, specifically: 1, horizontal rod;2, installation plate;21, installation hole;22, reinforcing hole;3, curved rod;4, link component;41, link plate;42, slot;43, positioning slot;44, ring;45, positioning block;46, first inner smooth ring;5, sleeve;51, second inner smooth ring;52, inner friction contact piece. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] The terms used herein are merely used to describe specific embodiments, and are not intended to limit the present application. The terms "include", "contain" and the like used herein indicate the existence of the described features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or components.

[0029] All the terms used herein (including technical and scientific terms) have the meanings generally understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein should be interpreted to have meanings consistent with the context of the present specification, and should not be interpreted in an idealized or overly stereotyped manner.

[0030] In the embodiments, by Figures 1-6 A power wheelchair starting mechanism connector is given, wherein, Figure 1 It is a structural schematic diagram of the whole power wheelchair starting mechanism connector of the present application. Figure 2 It is a structural schematic diagram of the power wheelchair starting mechanism connector of the present application from another angle. Figure 3 It is a structural schematic diagram of the whole link member of the present application. Figure 4 It is an exploded view of the link member of the present application. Figure 5 It is a structural schematic diagram of the sleeve and the second inner smooth ring when they are connected. Figure 6 It is a structural schematic diagram of the sleeve and the second inner smooth ring when they are separated, which includes a horizontal rod 1, two groups of mounting plates 2 for connecting with the back plate of the power wheelchair are detachably mounted on the horizontal rod 1 along the axial direction thereof, and a mounting hole 21 for the positioning bolt is formed on the mounting plate 2; two groups of curved rods 3 are detachably mounted on the left and right ends of the horizontal rod 1, and the two groups of curved rods 3 are extended downward along the longitudinal direction; two groups of link members 4 for connecting with the seat plate of the power wheelchair are detachably mounted on the middle sections of the two groups of curved rods 3; two groups of sleeves 5 are detachably mounted on the bottom sections of the curved rods 3, and a region for the power wheelchair cross shaft to pass through is formed between the two groups of sleeves 5.

[0031] The utility model discloses a whole's thought based on one is, through the installation plate 2 of layout, first electric wheelchair backboard is placed between two groups of installation plate 2, and the positioning bolt is passed through from the installation hole 21 and electric wheelchair backboard between in proper order to complete the positioning operation of electric wheelchair backboard, and the two groups of reinforcing hole 22 that two groups of reinforcing hole 22 are symmetrically laid about installation hole 21 can further reinforce the connection between electric wheelchair backboard and two groups of installation plate 2 after being passed through auxiliary bolt, through the layout of link component 4, staff first inserts into the through groove 42 with the ring 44, and multiple sets of positioning block 45 are inserted into multiple sets of positioning groove 43, so that the ring 44 can be quickly and stably loaded into the link plate 41, to realize annular clamping operation, facilitate the disassembly maintenance of the ring 44 in the subsequent, then staff inserts into the first inner smooth ring 46 with the horizontal shaft in electric wheelchair seat plate in proper order, to complete the installation of electric wheelchair seat plate and link component 4 whole, through the layout of sleeve 5 and second inner smooth ring 51 and inner friction contact piece 52, sleeve 5 can be connected between the horizontal shaft of electric wheelchair more smooth and stable.

[0032] In some embodiments, more specifically, in order to further strengthen the stability of the connection between the two groups of installation plates 2 and the electric wheelchair backboard, two groups of reinforcing holes 22 are also provided on the installation plate 2, and the two groups of reinforcing holes 22 are symmetrically distributed about the installation hole 21. The reinforcing hole 22 can be passed through by the auxiliary bolt;

[0033] In specific use, the two groups of auxiliary bolts are passed through from the reinforcing hole 22 and the electric wheelchair backboard to further reinforce the stability of the connection between the two groups of installation plates 2 and the electric wheelchair backboard.

[0034] Next, the link component 4 as a whole is endowed with a more specific structure and configuration for further explanation and description. The link component 4 includes a link plate 41, which is detachably installed on the middle segment of the curved rod 3. A through groove 42 is provided in the link plate 41. Multiple sets of positioning grooves 43 are also provided in the link plate 41, and the multiple sets of positioning grooves 43 are in communication with the through groove 42. A ring 44 is removably arranged in the through groove 42. The ring 44 has multiple sets of positioning blocks 45. The multiple sets of positioning blocks 45 correspond to the multiple sets of positioning grooves 43 respectively, and the multiple sets of positioning blocks 45 can pass through the multiple sets of positioning grooves 43.

[0035] Next, the principle of use of the link component 4 as a whole is further explained and described. Staff first inserts the ring 44 into the through groove 42, and inserts the multiple sets of positioning blocks 45 into the multiple sets of positioning grooves 43, so that the ring 44 can be quickly and stably loaded into the link plate 41, to realize annular clamping operation, facilitate the disassembly maintenance of the ring 44 in the subsequent, then staff inserts into the first inner smooth ring 46 with the horizontal shaft in electric wheelchair seat plate in proper order, to complete the installation of electric wheelchair seat plate and link component 4 whole.

[0036] In some embodiments, in order to enable the ring 44 to quickly wear into the slot 42, quickly wear the positioning block 45 into the positioning slot 43, therefore, the caliber size of the positioning block 45 and the caliber size of the positioning slot 43 are mutually matched, the caliber size of the ring 44 and the caliber size of the slot 42 are mutually matched.

[0037] In some embodiments, in order to enable the ring 44 to quickly wear into the slot 42, quickly wear the positioning block 45 into the positioning slot 43, therefore, the caliber size of the positioning block 45 and the caliber size of the positioning slot 43 are mutually matched, the caliber size of the ring 44 and the caliber size of the slot 42 are mutually matched.

[0038] In some embodiments, in order to further prolong the service life of the ring 44 as a whole when in use, therefore, an annular gasket is detachably mounted in the first inner smooth ring 46, and the size of the annular gasket and the size of the first inner smooth ring 46 are mutually matched.

[0039] In some embodiments, more specifically, in order to enable the electric wheelchair cross shaft to contact the sleeve 5 as a whole more smoothly, therefore, a second inner smooth ring 51 is detachably mounted in the sleeve 5, and the size of the second inner smooth ring 51 and the size of the sleeve 5 are mutually matched.

[0040] In some embodiments, in order to further increase the contact between the electric wheelchair cross shaft and the second inner smooth ring 51, so that the electric wheelchair cross shaft is more stable and smooth when running, therefore, a plurality of inner friction contact pieces 52 are detachably arranged along the inner circumferential surface of the second inner smooth ring 51, and the plurality of inner friction contact pieces 52 are arrayed along the circumferential center of the cross section of the second inner smooth ring 51.

[0041] In summary, through the installation plate 2, first, the electric wheelchair back plate is placed between the two groups of installation plates 2, and the positioning bolts are sequentially passed through the installation holes 21 and the electric wheelchair back plate to complete the positioning work of the electric wheelchair back plate, and the two groups of reinforcing holes 22 symmetrically arranged about the installation hole 21 can further reinforce the connection between the electric wheelchair back plate and the two groups of installation plates 2 after being passed through the auxiliary bolts, through the arrangement of the connecting component 4, the staff first inserts the ring 44 into the slot 42, and makes a plurality of positioning blocks 45 inserted into a plurality of positioning grooves 43, so that the ring 44 can be quickly and stably installed into the connecting plate 41 to realize the annular clamping work, which is convenient for subsequent disassembly and maintenance of the ring 44, then the staff sequentially inserts the horizontal shaft in the electric wheelchair seat plate into the first inner smooth ring 46 to complete the installation of the electric wheelchair seat plate and the connecting component 4 as a whole, and through the arrangement of the sleeve 5, the second inner smooth ring 51 and the inner friction contact piece 52, the connection between the sleeve 5 and the electric wheelchair horizontal shaft can be more smooth and stable.

[0042] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A connecting component for an electric wheelchair starting mechanism, characterized in that, It includes A crossbar (1) is detachably mounted with two groups of mounting plates (2) for connecting with the back plate of the electric wheelchair along its axial direction, and a mounting hole (21) is formed on the mounting plate (2) for the positioning bolt to pass through; Two groups of curved rods (3) are detachably mounted on the left and right ends of the crossbar (1), and the two groups of curved rods (3) extend downward along the longitudinal direction; Two groups of connecting members (4) for connecting with the seat plate of the electric wheelchair are detachably mounted on the middle section of the two groups of curved rods (3); Two groups of sleeves (5) are detachably mounted on the bottom section of the curved rod (3), and the two groups of sleeves (5) form an area for the electric wheelchair cross shaft to pass through.

2. The power wheelchair activation mechanism link of claim 1, wherein, Two groups of reinforcing holes (22) are also formed on the mounting plate (2), and the two groups of reinforcing holes (22) are symmetrically distributed about the mounting hole (21), and the reinforcing hole (22) can be passed through by the auxiliary bolt.

3. The power wheelchair activation mechanism link of claim 1, wherein, The connecting member (4) includes A connecting plate (41) is detachably mounted on the middle section of the curved rod (3), a through slot (42) is formed in the connecting plate (41), and a plurality of positioning grooves (43) are also formed in the connecting plate (41), and the plurality of positioning grooves (43) are in communication with the through slot (42); A through ring (44) is removably arranged in the through slot (42), and a plurality of positioning blocks (45) are formed on the through ring (44), and the plurality of positioning blocks (45) correspond to the plurality of positioning grooves (43), and the plurality of positioning blocks (45) can pass through the plurality of positioning grooves (43).

4. The power wheelchair activation mechanism link of claim 3, wherein, The caliber size of the positioning block (45) and the caliber size of the positioning groove (43) are matched with each other, and the caliber size of the through ring (44) and the caliber size of the through slot (42) are matched with each other.

5. The power wheelchair activation mechanism link of claim 3, wherein, A first inner smooth ring (46) is detachably mounted in the through ring (44), and the size of the first inner smooth ring (46) is matched with the size of the through ring (44).

6. The power wheelchair activation mechanism link of claim 5, wherein, A ring-shaped gasket is detachably mounted in the first inner smooth ring (46), and the size of the ring-shaped gasket is matched with the size of the first inner smooth ring (46).

7. The power wheelchair activation mechanism link of claim 1, wherein, A second inner smooth ring (51) is detachably mounted in the sleeve (5), and the size of the second inner smooth ring (51) is matched with the size of the sleeve (5).

8. The power wheelchair activation mechanism link of claim 7, wherein, A plurality of inner friction contact pieces (52) are detachably arranged on the inner circumferential surface of the second inner smooth ring (51), and the plurality of inner friction contact pieces (52) are arrayed along the circumferential direction of the cross section of the second inner smooth ring (51).

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