WO2019091262A1 - 一种轮椅车的旋转模块 - Google Patents

一种轮椅车的旋转模块 Download PDF

Info

Publication number
WO2019091262A1
WO2019091262A1 PCT/CN2018/110517 CN2018110517W WO2019091262A1 WO 2019091262 A1 WO2019091262 A1 WO 2019091262A1 CN 2018110517 W CN2018110517 W CN 2018110517W WO 2019091262 A1 WO2019091262 A1 WO 2019091262A1
Authority
WO
WIPO (PCT)
Prior art keywords
disposed
sleeve
hole
seat
rotating
Prior art date
Application number
PCT/CN2018/110517
Other languages
English (en)
French (fr)
Inventor
金元贵
陈澔
尹琨
柯旭
李鹏
赖勋
Original Assignee
南京康尼机电股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京康尼机电股份有限公司 filed Critical 南京康尼机电股份有限公司
Publication of WO2019091262A1 publication Critical patent/WO2019091262A1/zh

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1072—Arrangements for adjusting the seat rotating the whole seat around a vertical axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/64—Devices for uninterrupted current collection

Definitions

  • the invention relates to a wheelchair, and in particular to a rotation module of a wheelchair.
  • the electric wheelchair is usually driven by the rear wheel and the front wheel is a universal wheel.
  • the designed electric wheelchair has poor passing performance on complex roads. Due to the limitation of the turning radius, it is difficult for the existing wheelchair to turn around on a narrow road. Wheelchairs with rotating function can overcome the above problems.
  • the front wheel drive can be turned into the front wheel drive, which can enhance the passage of complex roads.
  • the narrow road surface needs to turn around, it only needs to rotate.
  • the seat can be achieved without the limitation of the turning radius.
  • the upper seat and the chassis are combined by a relatively complicated mechanical connection, and the seat and the chassis are integrated and cannot be separated unless mechanically disassembled, thereby not carrying the belt.
  • an existing electric wheelchair or a non-folding wheelchair
  • transport and repair for example, when transporting an electric wheelchair in bulk, because each wheelchair takes up a large space, it will make The transportation cost is increased, and it is difficult to ensure the assembly quality and efficiency when the parts are transported to the bottom.
  • the maintenance is generally required to remove the seat. Due to the complicated connection between the seat and the chassis, the assembly work after disassembly and repair is large. To make maintenance inefficient.
  • the existing electric wheelchairs also lack corresponding locking and unlocking mechanisms for automatically locking and automatically unlocking a rotational position.
  • the present invention aims to provide a wheelchair rotating module that can be easily split and combined to realize the rotation of the wheelchair and realize the wheelchair.
  • Modular structure for easy carrying, transport and maintenance of wheelchairs.
  • a rotation module of a wheelchair for rotating a seat of a wheelchair relative to a body of a wheelchair characterized in that: the module comprises a rotating shaft, a rotating body and a base, and the upper end of the rotating shaft is fixed at the bottom of the seat, and rotates The body is disposed on the rotating shaft, and the base is disposed on the vehicle body.
  • the base is provided with a supporting sleeve.
  • the seat is inserted into the supporting sleeve through the rotating shaft, and the rotating body on the rotating shaft is disposed in the supporting sleeve, and is rotatably connected to the vehicle body.
  • the invention enables the quick connection between the seat and the vehicle body, and can be quickly disassembled.
  • the rotating shaft fixed at the bottom of the seat is rotatably connected to the base fixed to the body of the wheelchair through the rotating body at the lower end of the rotating shaft, so as to achieve relative rotation between the seat and the vehicle body.
  • the rotating shaft provided with the rotating body can be easily inserted and removed from the base, and the seat part and the body part are disassembled and placed when the wheelchair is required to be transported, thereby saving space for transportation and greatly improving transportation efficiency. It is also convenient for carrying in life, for example, by seat and body splitting, it can be accommodated in the trunk of the car.
  • the rotating module further includes a multi-core plug and a multi-core socket, wherein the multi-core plug and the multi-core socket are respectively connected with a plurality of signal lines, and the multi-core plug or the multi-core socket is concentrically connected with the rotating shaft at the lower end of the rotating shaft.
  • the corresponding multi-core socket or multi-core plug and the support sleeve are concentrically connected to the base below the support sleeve.
  • the rotation module further includes a circumferential locking mechanism for locking the seat in a rotating position, and an unlocking mechanism for unlocking the seat locked in a rotating position; the circumferential locking mechanism
  • the utility model comprises a turntable provided on the bottom of the seat and provided with at least two pin holes and an elastic positioning pin which can be elastically moved up and down.
  • the elastic positioning pin is arranged on the base and is in a rotating path of the pin hole, and the pin hole on the turntable rotates
  • the elastic positioning pin is inserted into the pin hole, and the upper end portion protrudes from the upper end surface of the turntable to fix the turntable
  • the unlocking mechanism includes an unlocking ring and at least two unlocking units disposed above the turntable, the unlocking ring
  • the end surface is close to or conforms to the upper end surface of the turntable, and the unlocking unit is disposed on the unlocking ring and corresponds to the circumferential direction of the elastic positioning pin
  • each unlocking unit includes at least a pushing inclined surface and elastic pressing arranged before and after the rotating direction of the unlocking ring
  • the pin, the pushing inclined surface is inclined from high to low in the rotating direction, and the lower end is connected to the lower end surface of the unlocking ring, the lower end surface is provided with a hole, and the elastic pressing pin is disposed at Lower hole and elastically displaceably lower end surface is exposed.
  • the above-mentioned locking mechanism can keep the seat in the position when the seat is rotated to the position of the elastic positioning pin, thereby ensuring the stability of the seat in the set position; and changing the driving position by changing the seat position state.
  • the form, for example, the seat is locked at two positions with a circumferential angle of 180°, which can change the original rear drive to the front drive, which is a condition that the wheelchair has a poor passing condition during the travel, for example: small
  • the obstacles or the space without the U-turn can be solved by changing the driving mode of the seat rotation, which greatly facilitates the driving operation of the wheelchair.
  • the unlocking is also very convenient, and the unlocking ring can be easily unlocked by turning the unlocking ring.
  • the upper end surface of the unlocking ring is provided with a plurality of limiting protrusions distributed along the circumferential direction
  • the bottom of the seat is provided with a matching limiting groove
  • the unlocking ring is disposed in the limiting concave through the limiting protrusion.
  • the groove it is close to or conforms to the upper end surface of the turntable, and the center of rotation is concentric with the center of rotation of the turntable. Therefore, the movement of the limiting protrusion on the upper end surface of the unlocking ring is restricted by the limiting groove at the bottom of the seat, so that the unlocking ring completes the circular motion, so that the structure of the movement path of the unlocking ring is more simple and convenient to manufacture.
  • the limiting groove is composed of a limiting annular wall and a plurality of circular arc walls distributed along a circumference, and the circular arc wall is inside the annular wall; the arc length of the circular arc wall is greater than two adjacent The arc length of the arc wall is spaced apart, and the elastic pressing pin is placed on the outer side of each arc wall, and the elastic pressing pin is disposed in the placing hole, and the elastic pressing pin presses the unlocking ring to make the lower end surface of the unlocking ring close or fit On the upper end of the turntable.
  • the limiting groove is formed by a plurality of arc walls and an annular wall on the inner side for easy fabrication.
  • the unlocking mechanism further includes a plurality of torsion springs for rotating the unlocking ring, wherein the plurality of torsion springs are evenly distributed in a circumferential direction in the unlocking ring, and one end of the torsion spring is fixed on the bottom of the seat, and One end is pressed against the limiting protrusion on the unlocking ring through a gap formed by the spacing of two adjacent arc walls.
  • a plurality of circumferentially distributed torsion springs are used instead of normally placing a torsion spring in the central rotational position.
  • the torsion spring size can be greatly reduced, so that the size of the entire rotary module in the direction of the rotation axis is as small as possible.
  • the force applied when the unlocking ring is returned is more balanced, so that the returning rotation is more stable.
  • the elastic pressing pin is a ball provided with a compression spring.
  • one side of the unlocking ring is provided with a transmission arm for controlling the rotation of the unlocking ring, and the corresponding position of the rotating wheel is provided with a limiting hole slot, and the transmission arm extends out of the rotating plate through the limiting hole slot to operate the unlocking ring control.
  • the rotating module further includes an axial locking mechanism, the locking mechanism includes a locking groove and a lock plate, the lock plate is disposed on at least one side of the lower portion of the rotating shaft; and a lower cushion sleeve is disposed under the supporting sleeve The locking groove is disposed on the lower cushion sleeve.
  • the base is designed as a profile and includes an upper end plate disposed along the longitudinal direction of the profile, a base receiving cavity and two vertical ribs, the base receiving cavity is disposed under the upper end plate, and two vertical rib plates are disposed
  • the upper end plate is provided with a supporting hole, and the supporting hole and the two vertical ribs respectively form a positioning slot, and the bottom surface of the cavity of the accommodating cavity is provided with a plug sleeve concentric with the supporting hole.
  • a socket for connecting a plug sleeve placed with a multi-core socket or a multi-core plug wherein a side of the connection shaft hole is provided with a connection slot penetrating the connection shaft hole; the lower sleeve axially Positioned on the positioning slot, the bearing sleeve is tightly fitted in the bearing hole and axially positioned on the lower cushion sleeve. Further, the base is swingably disposed on the vehicle body.
  • the base further includes a swinging shaft hole and a connecting shaft hole, the connecting shaft hole is disposed at least on a side outside the upper end of the receiving cavity, and the swinging shaft hole is disposed at a lower end of the outer side of the receiving cavity, corresponding to
  • the side of the connecting shaft hole is provided with a connecting slot penetrating through the connecting shaft hole, and the base is rotatably connected to the vehicle body through a swinging shaft that is connected to the swinging shaft hole, and the end of the driving rod that pushes the base to rotate is placed at the end
  • the connecting slot is hinged to the base by a connecting shaft that is connected to the connecting shaft hole.
  • the base is designed as a profile to facilitate the manufacture of the wheelchair, greatly reducing the amount of machining and making the structure more compact; the base is rotatably mounted on the vehicle body so that it can be seated with the corresponding horizontal sensing element. The adjustments required to maintain the horizontal position of the chair and allow the seat to have a swingable ride.
  • a pin seat hole is further disposed on the upper end plate of the base, and a positioning pin seat for placing the elastic positioning pin is disposed in the pin seat hole;
  • the elastic positioning pin is composed of a positioning pin, a spring retaining ring and a spring The spring retaining ring is snapped onto the positioning pin, the spring is disposed in the positioning pin seat and sleeved with the positioning pin, and the free end abuts against the spring retaining ring to return the positioning pin.
  • the center of the rotating shaft is provided with a cavity, and the multi-core plug or the multi-core socket is respectively connected to the cavity in the center of the rotating shaft through a corresponding plug socket, and the corresponding multi-channel signal line is drawn through the cavity in the center of the rotating shaft. Therefore, the cavity in the center of the rotating shaft facilitates the guiding of the signal line and the connection of the rotating shaft to the multi-core plug or the multi-core socket.
  • the multi-core plug is composed of at least a plug body and a plurality of first electrical connection terminals axially arranged along the plug body and insulated from each other; the multi-core socket is at least arranged by the socket body and along the socket body and mutually The plurality of insulated second electrical connection terminals are formed.
  • the present invention realizes the electrical connection of the signal line between the seat and the vehicle body by the pluggable and rotatable one-to-one correspondence of the first electrical connection terminal arranged in the axial direction and the second electrical connection terminal. Or the separation of electrical connections.
  • the rotating body is a tapered roller bearing rotating body
  • the rotating body includes a bearing inner ring connected to the rotating shaft, a retaining bracket connected to the inner ring of the bearing, and a tapered roller that can be supported on the retaining frame
  • the bearing sleeve is a bearing outer ring of the tapered roller bearing
  • the seat is inserted into the bearing outer ring through the rotating shaft and the tapered roller bearing rotating body is disposed on the outer ring of the bearing and is rotatably connected with the chassis.
  • the rotating body comprises a bearing and a connecting sleeve
  • the bearing is connected to the rotating shaft through the inner ring of the bearing
  • the connecting sleeve is connected to the outer ring of the bearing and the shape is non-circular
  • the supporting sleeve is provided with the connecting sleeve shape
  • the inner cavity is inserted into the support sleeve through the rotating shaft, and the connecting sleeve is disposed in the inner cavity of the supporting sleeve and is rotatably connected with the chassis.
  • the rotating body is a cylindrical rotating body or a truncated cone-shaped or semi-spherical rotating body, and the inner cavities of the corresponding supporting sleeves of the cylindrical rotating body, the truncated cone shape and the hemispherical rotating body are respectively adapted to the rotating body. It is rotatably disposed in a support sleeve that is adapted to the shape of the corresponding rotor.
  • the present invention has the beneficial effects that the seat and the vehicle body on the wheelchair can be combined and separated by plugging, so as to transport and carry the wheelchair; the wheelchair is inserted into the vehicle body by one time.
  • the mechanical connection and the electrical connection between the wheelchair and the vehicle body are realized, and the mechanical connection is a rotatable connection, thereby enabling the wheelchair to change the driving form by the rotation of the seat to adapt to different passing conditions, thereby greatly increasing the wheelchair.
  • the operability of the vehicle at the same time, the invention adopts a base structure with a profile structure to greatly reduce the overall size of the wheelchair, and has a compact structure, and also greatly reduces the machining amount of the wheelchair production.
  • FIG. 1 is a schematic structural view of a rotary module connected between a seat and a vehicle body according to Embodiment 1.
  • FIG. 2 is a schematic structural view of the rotary module shown in FIG. 1 when the seat is separated from the vehicle body.
  • FIG. 3 is a schematic structural view of a rotary die connected between a seat and a vehicle body and having a multi-core plug and a multi-core socket, which is given in Embodiment 2.
  • FIG. 4 is a schematic structural view of the rotary module shown in FIG. 3 when the seat is separated from the vehicle body.
  • FIG. 5 is a schematic structural view of a multi-core plug and a multi-core socket inserted into each other.
  • Fig. 6 is a schematic structural view of the multi-core plug shown in Fig. 5.
  • Fig. 7 is a schematic structural view of the multi-core socket shown in Fig. 5.
  • Figure 8 is a plan view of the multi-core socket of Figure 7.
  • FIG. 9 is a schematic structural view of a rotary die connected between a seat and a vehicle body and having a multi-core plug and a multi-core socket, wherein the multi-core socket is connected to the rotating shaft, and the multi-core plug is connected to the base.
  • Fig. 10 is a structural schematic view showing the multi-core plug and the multi-core socket in the rotary mold shown in Fig. 9 being inserted into each other.
  • Figure 11 is a schematic view showing the structure of the multi-core socket shown in Figure 10.
  • Figure 12 is a bottom plan view of the multi-core socket of Figure 11;
  • Figure 13 is a schematic view showing the structure of the multi-core plug shown in Figure 10.
  • Figure 14 is a cross-sectional view of the rotary module given in Example 4 (cross-sectional view along the length of the base).
  • Figure 15 is a schematic view showing the structure of the axial locking mechanism.
  • Figure 16 is a structural schematic view of the rotating shaft shown in Figure 15 and the lock plate attached to the lower end of the rotating shaft.
  • Figure 17 is a schematic view showing the structure of the lower cushion cover shown in Figure 15.
  • Figure 18 is a schematic view showing the structure of the susceptor in the fourth embodiment.
  • Figure 19 is a cross-sectional view taken along line A-A of the susceptor of Figure 18;
  • Figure 20 is a schematic view showing the structure of the circumferential locking mechanism.
  • Figure 21 is a schematic view of the structure of the elastic positioning pin.
  • Fig. 22 is a schematic view showing the positional relationship of the circumferential locking mechanism and the unlocking mechanism.
  • Figure 23 is a schematic view showing the three-dimensional structure of the unlocking ring.
  • Figure 24 is a cross-sectional view taken along line A-A of the unlocking ring of Figure 22;
  • Figure 25 is a schematic view showing the structure of the limiting groove and the limiting annular wall at the bottom of the seat.
  • FIG. 26 is a schematic view showing the working principle of the unlocking ring, wherein: FIG. A is a case where the upper end of the positioning pin 22 abuts against the upper abutting surface 321 , and FIG. B is a case where the upper end portion of the positioning pin 22 contacts the inclined surface 32 , and FIG. The unlocking chamber is located below the lower end surface of the unlocking ring, and FIG. D is a case where the ball 29 on the unlocking ring 27 is rotated to the pin hole 25 to press the pin hole 25 and press the positioning pin 22.
  • Figure 27 is a three-dimensional schematic view showing the positional relationship of the turntable, the unlocking ring and the torsion spring.
  • Figure 28 is a perspective view of a rotating body and a support sleeve of another configuration.
  • Figure 29 is a schematic view showing the structure of a cylindrical rotating body and a corresponding supporting sleeve.
  • Figure 30 is a schematic view showing the structure of a truncated cone-shaped rotating body and a corresponding supporting sleeve.
  • Figure 31 is a schematic view showing the structure of a spherical rotating body and a corresponding supporting sleeve.
  • 1 is the seat
  • 2 is the car body
  • 3 is the rotating module
  • 4 is the rotating shaft
  • 31 is the supporting sleeve
  • 45 is the plug sleeve
  • 46 is the socket sleeve
  • 5 is the base
  • 6 is the seat bottom shaft jack
  • 61 is a screw hole for fixing the taper sleeve at the bottom of the seat
  • 62 is a screw hole for fixing the turntable at the bottom of the seat
  • 63 is a cylinder for fixing the torsion spring at the bottom of the seat
  • 7 is a support sleeve
  • 8 is a tapered roller bearing
  • 9 is rotated Body
  • 10 is the bearing outer ring
  • 11 is the taper sleeve
  • 111 is the fixing hole on the taper sleeve
  • 12 is the lower cushion sleeve
  • 13 is the lock plate
  • 14 is the lock groove
  • 141 is the baffle
  • 20 is the turntable
  • 201 is
  • the rotary module 3 of the present invention is disposed between the seat 1 of the wheelchair and the vehicle body 2 for rotation of the seat 1 with respect to the vehicle body.
  • the rotating module 3 includes a rotating shaft 4, a rotating body 9 and a base 5.
  • the upper end of the rotating shaft 4 is fixed at the bottom of the seat 1, the rotating body 9 is disposed on the rotating shaft 4, and the base 5 is disposed on the vehicle body 2, and the base 5 is provided.
  • a support sleeve 31 is provided inside.
  • the rotor 9 of the present embodiment is a rotor in the tapered roller bearing 8, and a bearing inner ring (not shown) in the bearing 8, a cage (not shown) connected to the inner ring of the bearing, and a support
  • the cage has a tapered roller (not shown), the inner ring of the bearing is connected to the rotating shaft, and the outer ring of the bearing is connected to the base 5 as a supporting sleeve 31, and the base is connected to the vehicle body 2.
  • the rotating shaft 4 on the seat 1 When the rotating shaft 4 on the seat 1 is inserted into the support sleeve (bearing outer ring) 31 and the rotating body on the rotating shaft is disposed on the support sleeve 31, the seat 1 is inserted into the support sleeve 31 through the rotating shaft 4, and the rotating body 9 on the rotating shaft is disposed on The support sleeve 31 is rotatably coupled to the vehicle body.
  • the rotation module of the present embodiment is based on the first embodiment, but there are a plurality of signal lines between the seat and the vehicle body corresponding to the embodiment, and if the rotation module described in Embodiment 1 is used, even The seat and the body are mechanically separated, but due to the tie of multiple signal lines, the two cannot be completely physically separated. Therefore, the present invention also provides a multi-core plug 15 and a multi-core socket 16 for electrically connecting or separating the seat 1 from the vehicle body 2. As shown in FIG.
  • the multi-pin plug 15 and the rotating shaft 4 are concentrically connected to the lower end of the rotating shaft 4, and the multi-core socket 16 is concentrically disposed under the supporting sleeve 31 (ie, the bearing outer ring), and the seat passes through the rotating shaft.
  • the multi-pin plug 15 at one end of the rotating shaft and the multi-core socket 16 on the base 5 are mutually plugged to perform electrical connection for multi-channel electrical signal transmission;
  • the chair is pulled away from the bearing outer ring 10
  • the electrical connection is separated from the vehicle body, as shown in FIG.
  • the rotary shaft 4 is connected to the multi-core plug 15 through the plug sleeve 45.
  • the rotating shaft 4 has a circular hole-shaped cavity at the center, and the lower end is provided with a hole corresponding to the plug sleeve 45, and the multi-core plug is tightly fitted in the plug sleeve 45.
  • the connection between the plug sleeve 45 and the above-mentioned hole of the rotating shaft is connected to the lower end of the rotating shaft 4, and the electric signal transmission line on the seat is taken out through the cavity at the center of the rotating shaft.
  • the multi-pin plug 15 and the multi-core socket 16 of the embodiment are respectively provided with a plurality of first electrical connection terminals 153 and a plurality of second electrical connection terminals 163 which are axially arranged and insulated from each other, and the multi-core plugs 15 and When the core sockets 16 are inserted into each other, the second electrical connection terminals are elastically pressed against the first electrical connection terminals corresponding to the axial positions, and electrical connections between the two corresponding electrical connection terminals are performed to transmit electrical signals.
  • the multi-pin plug 15 includes a plug body 151, a first electrical connection terminal 153, an insulating ring 154, and a first electrical connection line 156.
  • the plug body 151 is a hollow tube made of an insulating material, and the wall of the tube a plurality of axially distributed lead holes 155 are provided in the circumferential direction, and the lead holes 155 are connected to the central cavity thereof; the first electrical connection terminal 153 and the insulating ring 154 are respectively adapted to the outer wall of the hollow tube
  • the annular ring is made of a conductive material and an insulating material, respectively, and the outer diameter of the first electrical connection terminal 153 is larger than the outer diameter of the insulating ring 154; the plurality of first electrical connection terminals 153 are axially sleeved on the plug body 151, and separated by an insulating ring 154, each first electrical connection terminal 153 is placed at an axial position of the corresponding lead hole 155, so that one end of the plug
  • the multi-core socket 16 includes a multi-core socket body 161, a second electrical connection terminal 163, a spring 165, an adjustment nut 162, and a second electrical connection line 166;
  • the second electrical connection terminal 163 has a small-diameter end at one end. The other end is a large diameter end, and the second electrical connection line 166 is connected to the large diameter end;
  • the center of the multi-core socket body is provided with a plug hole 168 adapted to the outer diameter of the first electrical connection terminal 153, in the multi-core socket body
  • a plurality of axially distributed terminal holes 169 are provided in the circumferential direction.
  • the terminal holes are disposed along the radial direction of the insertion holes 168 and extend through the hole walls of the insertion holes 168, and the terminal holes correspond to the insertion holes.
  • the inner end of the 168 has a larger diameter than the small diameter end of the second electrical connection terminal 163 but smaller than the diameter of the large diameter end.
  • the outer end of the hole wall is provided with an internal thread, and the adjusting nut 162 is screwed to the internal thread and one end is placed in the terminal hole.
  • the center of the adjusting nut is provided with a hole, one end of the spring 165 is abutted against the second electrical connecting terminal 163, and one end is abutted against the adjusting nut 162.
  • the second electrical connecting terminal 163 extends to the side of the connecting hole. Out of pressure on the corresponding first electrical connection
  • the terminal 153 is electrically connected to the first electrical connection terminal 153, and the degree of mutual abutment of the two electrical connection terminals is adjusted by adjusting the screwing depth of the adjusting nut 162 to ensure a better electrical connection.
  • the second electrical connection line 166 is connected at one end to the large diameter end of the second electrical connection terminal, and the other end thereof is led out of the multi-core socket 16 through the hole at the center of the spring 165 and the adjusting nut 162.
  • the multi-core socket 16 has a circular tubular shape, is axially positioned on the socket sleeve 59 and is tightly fitted thereto, and the multi-core socket 16 is fixed to the base 5 via the socket sleeve 59.
  • a lug hole 592 is defined in a circumferential direction of the side wall of the socket sleeve 59.
  • the waist hole corresponds to a circumferential position of the terminal hole 169 of the multi-core socket 16, and the adjusting nut 162 is screwed from the waist hole to the terminal hole. 169.
  • the lower end of the multi-core socket 16 is provided with a lead hole slot 167 corresponding to the circumferential position of the terminal hole 169.
  • the second electrical connection line 166 is introduced into the multi-core socket 16 from the center hole of the socket sleeve 59 by the lead slot 167.
  • the multi-pin plug 15 further includes a first retaining spring 152 and a second retaining spring 158.
  • the tubular body of the plug body 151 is further provided with a terminal axial positioning step surface 157 and corresponding two retaining spring slots, and the uppermost first
  • the electrical connection terminal is axially positioned by the terminal axial positioning step surface 157, and then the insulating ring 154 and the first electrical connection terminal 153 are sleeved on the plug body 151 at intervals, corresponding to the position of the lowermost insulating ring 154.
  • a retaining spring 152 is disposed in the retaining groove to define an axial position of the lowermost insulating ring 154 such that all of the first electrical connecting terminal 153 and the insulating ring 154 are fixed to the plug body 151.
  • the card spring 152 is chamfered at one end of the end of the rotating shaft, and the chamfered surface is more easily inserted into the front end of the second electrical connection terminal 163 protruding from the insertion hole 168, and is pressed into the terminal hole so that the multi-core plug can be Easy to insert into a multi-core socket.
  • the second circlip 158 is disposed above the terminal axial positioning step surface 157 for engaging the circlip 154, and the circlip 158 is used for positioning the relative position of the card multi-pin plug 15 inserted into the multi-core socket 16 to ensure the first The electrical connection position relationship between the electrical connection terminal and the second electrical connection terminal is one-to-one.
  • the multi-core plug and the multi-core socket are mutually plugged, and the multiple signal lines of the two are electrically connected one by one, when the seat is pulled out of the vehicle body.
  • the electrical connections described above are separated so that the seat is conveniently mechanically and electrically connected to the vehicle body.
  • the multi-core plug and the multi-core socket are relatively rotatable, the problem of the signal line being wound due to the relative rotation between the seat and the vehicle body is also solved.
  • the rotation module of this embodiment is basically the same as that of Embodiment 2, except that the multi-core socket 16 is concentrically connected to the lower end of the rotating shaft 4 through the socket sleeve 46, and the multi-core plug 15 passes through the plug sleeve 45. It is disposed on the base 5 below the support sleeve 31 and is concentric with the support sleeve 31.
  • the support sleeve 31 is the same as the second embodiment and is a bearing outer ring.
  • the multi-core socket 16 at one end of the rotating shaft and the multi-core plug 15 on the base 5 are inserted into each other for multi-channel electrical signal transmission. Electrical connection; the separation of the electrical connection with the vehicle body when the seat is pulled away from the bearing outer ring 10.
  • the lead hole slot 167 of the multi-pin socket 16 of the present embodiment is disposed above the terminal hole 169, and the first electrical connection line 166 is led out from the center hole of the socket sleeve 59 by the lead slot 167;
  • the multi-pin plug 15 is tightly fitted in the plug sleeve 45, and is mounted on the base 5 by the plug sleeve 45, and is concentric with the support sleeve 31.
  • Other structures are the same as those in Embodiment 2, and details are not described herein again.
  • the multi-pin plug 15 of the present embodiment is substantially the same as the embodiment 2 except that the multi-core plug body of the embodiment is provided with a stepped surface 159 instead of the retaining spring 152 of the embodiment 2.
  • the position of the multi-core socket 16 inserted into the multi-core socket 16 is positioned to ensure the electrical connection position relationship between the first electrical connection terminal and the second electrical connection terminal.
  • the rotating module for the rotation of the seat 1 of the wheelchair relative to the body of the wheelchair is mainly composed of the rotating shaft 4, the rotating body 9, the base 5 and the support sleeve 31.
  • the support sleeve 31 is disposed on the base 5, and the rotating body 9 is a rotating body in the tapered roller bearing 8, and a bearing inner ring (not shown) in the bearing 8 and a cage connected to the inner ring of the bearing (not Drawing and supporting a tapered roller (not shown) supported on the cage, the rotating body is connected to the rotating shaft through a bearing inner ring, and the bearing outer ring is connected as a supporting sleeve 31 to the base 5, and the base 5 is connected On the body of the car.
  • the multi-core plug 15 and the multi-core socket 16 for electrically connecting or separating the signal line of the seat 1 from the vehicle body 2 are fixedly connected to the rotating shaft 4 through corresponding plug sleeves 45 and socket sleeves 59, respectively.
  • the lower end and the lower end of the support sleeve 31 are on the base and are respectively concentric with the rotating shaft 4 and the support sleeve 31. Since the number of signal line access paths corresponding to this embodiment is small, the plug and the socket of the earphone are used as an alternative to the multi-core plug 15 and the multi-core socket 16.
  • the rotary shaft 4 has a structure in which a circular hole-shaped cavity is provided at the center as in the above-described third embodiment, and the multi-core plug 15 is fixed to the rotary shaft 4 through the plug sleeve 45.
  • the rotating module of the embodiment further includes an axial locking mechanism, the axial limiting mechanism includes a lock plate 13 and a lock groove 14, and the lock plate 13 is connected
  • the axial limiting mechanism includes a lock plate 13 and a lock groove 14, and the lock plate 13 is connected
  • the lower end of the rotating shaft 4 also connected to the circumferential side of the rotating shaft
  • the locking groove 14 is disposed on the lower cushion sleeve 12 and below the supporting sleeve 31, the locking groove 14 is matched with the lock plate 13, and the lower cushion cover 12 is at the upper end.
  • the circular sleeve of the blue edge, the lock groove 14 is a lock plate insertion opening formed by the baffle 141 disposed in the inner cavity of the lower cushion cover 12, and the lock plate 13 on the rotary shaft is inserted into the lock groove at a position matching the lock groove 14.
  • the rotational position causes the lock plate 13 to enter the area of the baffle 141, and is axially defined by the baffle 141 as the shaft 4 moves upward.
  • the base 5 is designed as a profile structure including an upper end plate 51 disposed along the longitudinal direction of the profile, a receiving cavity disposed below the upper end plate 51, and a vertical cavity disposed in the receiving cavity and the upper end plate.
  • the base 5 is rotatably disposed on the vehicle body 2, whereby the base profile is further provided with a connecting shaft hole 55 and a swing shaft disposed along the longitudinal direction of the base profile.
  • the hole 54, the connecting shaft hole 55 is disposed at least on one side of the outer side of the upper end of the accommodating chamber, and the oscillating shaft hole 54 is provided at a lower end of the outer side of the accommodating chamber.
  • the susceptor 5 is cut according to the set size and is machined in a small amount.
  • the support hole 56 is processed on the upper end plate 51 of the intercepted base profile.
  • the hole diameter of the support hole 56 is larger than the distance between the two vertical ribs 50, so that the support hole 56 and the two vertical ribs are intersected to form two positioning notches 501.
  • the underlying sleeve is axially positioned on the positioning slot by the flange edge thereon, and the bearing sleeve is tightly fitted in the bearing hole and axially positioned on the lower cushion sleeve.
  • the lower cushion sleeve is positioned on the positioning rib 503 by the lower end.
  • a socket sleeve hole 502 concentric with the support hole is formed on the bottom surface of the cavity of the base receiving cavity, and the socket sleeve hole 502 is coaxially and concentric with the support hole 56, and the socket sleeve hole is used for connecting the socket sleeve for placing the multi-core socket through the tight fit 59.
  • a connecting slot 551 extending through the connecting shaft hole is formed on a side of the corresponding connecting shaft hole, and an end of a driving rod that pushes the base 5 to rotate is placed in the connecting slot 551 and is passed through the connecting shaft hole 55.
  • the connecting shaft is hinged to the base 5.
  • the base 5 is rotatably coupled to the vehicle body 2 via a swing shaft that is coupled to the swing shaft hole 54 (for example, a hole or a bearing housing in which the vehicle body 2 is rotatably coupled to the swing shaft).
  • the driving rod of the embodiment is an output shaft of the motor, and the output shaft of the motor can be moved axially (see the publication No.
  • CN201520922383 a Chinese patent for the name of a motor
  • the motor is swingably disposed on the vehicle body 2 Upper
  • the seat rotation is pushed by the axial movement of the output shaft.
  • Adjusting the front and rear horizontal state of the seat for example, combining a horizontal sensor (gyroscope) to maintain the horizontal state of the seat even when climbing the slope, and swinging the seat back and forth by the reciprocating axial movement of the output shaft, Happy function.
  • the present invention also provides a circumferential locking mechanism for locking the seat in a rotational position, and locking the position in the position.
  • the unlocking mechanism that unlocks before the seat is rotated again, the two mechanisms are based on the rotation module of each of the above embodiments.
  • the locking mechanism includes a turntable 20 and an elastic positioning pin 2A.
  • the turntable 20 is fixed to the bottom of the seat.
  • Two pin holes 25 are provided in the same circumferential direction of the turntable 20, and the phase difference is 180°.
  • the positioning pin 2A is disposed on the base, for example, disposed on the upper end plate of the base described in Embodiment 6, and is disposed below the turntable 20 and disposed at a circumferential position corresponding to the pin hole, and the positioning pin seat 21 is fixed. In the hole.
  • the elastic positioning pin 2A is composed of a compression spring 24, a spring retaining ring 23 and a positioning pin 22, and the spring retaining ring 23 is clamped on the upper part of the positioning pin 22, the compression spring 24 sets the set pin 22 and the free end passes against the spring retaining ring 23 Connected to the positioning pin 22, the positioning pin 22 is disposed in the positioning pin seat 21 by the compression spring 24, and when the pin hole 25 on the turntable 20 is rotated above the positioning pin 22, the upward force of the compression spring causes the positioning pin 22 to spring up and be inserted.
  • the pin hole 25 and the upper end portion project beyond the upper end surface of the turntable 20 to fix the turntable 20.
  • the unlocking mechanism includes an unlocking ring 27 and two unlocking units (and more may be disposed) disposed above the turntable 20 and rotatable relative to the turntable.
  • the lower end surface of the unlocking ring 27 is close to or conforms to the turntable.
  • the two unlocking units are uniformly disposed in the circumferential direction of the unlocking ring 27 corresponding to the pin hole 25.
  • Each of the unlocking units is at least provided by a pushing inclined surface 32 disposed before and behind the rotating direction of the unlocking ring 27 and elastically movable up and down.
  • the body composition forms a secondary unlock.
  • the pushing inclined surface 32 is inclined from high to low in the rotating direction and the lower end is connected to the lower end surface of the unlocking ring 27 to form an unlocking cavity 28 above the lower end surface.
  • the upper end of the pushing inclined surface 32 is further disposed.
  • the abutting surface 321 is such that the unlocking cavity 28 is a cavity of a trapezoidal shape.
  • the elastic body adopts a bead 29, which is disposed in the hole 273 of the lower end surface 271 of the unlocking ring 27, and the lower end exposes the lower end surface under the action of the elastic force. As shown in FIG. 26, the unlocking ring 27 rotates, and an unlocking unit position is rotated to a position corresponding to the positioning pin 22.
  • the positioning pin 22 extends out of the upper end portion of the upper end surface of the rotating plate 20 in the unlocking chamber 28, and the upper end thereof firstly resists
  • the abutting surface 321 is as shown in FIG. 26A, and then the upper end portion of the positioning pin 22 is in contact with the inclined surface 32.
  • the inclined surface 32 is pressed downward with the unlocking ring 27 to continuously press the positioning pin 22 until the positioning pin 22 moves out of the unlocking cavity under the unlocking ring.
  • Below the end face is shown in Fig.
  • two pin holes 25 are provided.
  • a pin hole 25 on the turntable at the bottom of the seat is located above the positioning pin 22, so that the seat is positioned in the forward position, and the seat rotates.
  • the 180° is facing the retreating direction
  • the other pin hole 25 is positioned above the positioning pin 22 to position the seat in the retracted position.
  • the driving mode of the original wheelchair can be changed by the 180° rotation of the seat, for example, the original rear driving is changed to the front driving mode, or the original front driving is changed to the rear driving mode, which can greatly facilitate the driving operation of the wheelchair.
  • the pin hole 25 is not limited to the above two position settings.
  • a corresponding pin hole 25 may be provided at a corresponding position of the turntable to rotate the seat to The pin hole corresponding to the desired position is above the positioning pin 22 and is inserted and locked by the positioning pin 22.
  • a transmission arm 34 for transmitting a driving force is disposed on the side of the unlocking ring 27, and a limiting slot 26 is formed on the side of the rotating plate 20 in the circumferential direction.
  • the transmission arm 34 extends from the limiting slot 26 and is connected to a corresponding lever (not shown).
  • the upper end surface of the unlocking ring 27 is provided with four limiting protrusions 33.
  • the seat bottom is provided with a limiting groove 35 for defining the rotation path of the unlocking ring 27, which is matched with the limiting protrusion 33 (as shown in FIG. 3).
  • the unlocking ring 27 is rotatably connected to the bottom of the seat through the limiting protrusion 33 and disposed in the limiting groove 35, and is rotated close to or attached to the upper end surface of the turntable.
  • the limiting groove 35 of the present embodiment is composed of a limiting annular wall 351 and four circular arc walls 352 distributed along a circumference.
  • the circular arc wall 352 is inside the annular wall 351 and is round.
  • the arc length of the arc wall 352 is greater than the arc length of the interval between two adjacent arc walls.
  • the elastic pressing pin of the embodiment is a ball provided with a spring, and the four balls are respectively disposed in the corresponding elastic pressing pin placement holes 353 at the bottom of the seat.
  • the elastic pressing pin placement hole 353 of the embodiment is disposed in each circle. Outside the arc wall 352, as shown in Fig. 23, the lower end of the bead is exposed to the elastic pressing pin placement hole 353 and elastically pressed on the upper end side of the unlocking ring 27.
  • the unlocking ring 27 is returned to the initial state.
  • four torsion springs 36 are used, and the four torsion springs 36 are evenly distributed in the unlocking ring, and are sleeved on the column 63 at the bottom of the seat.
  • one end of each torsion spring is fixed to the turntable, and the other end is pressed against the limiting protrusion 33 on the unlocking ring 27 through a gap formed by two adjacent arcuate walls.
  • the unlocking ring 27 rotates under the transmission of the transmission arm 34 and causes the torsion spring to twist. After the transmission of the transmission arm 34 is completed, the unlocking ring 27 is returned to the position under the torsion spring torsion.
  • the rotating body 9 in each of the above embodiments may be composed of a tapered roller bearing 8 and a connecting sleeve 92.
  • the tapered roller bearing 8 is fixed to the rotating shaft through the inner ring, and the connecting sleeve 92 is fixed at
  • the shape of the connecting sleeve 92 is a non-circular star shape composed of a circular arc surface 922 and a flat surface 921; the support sleeve 31 is provided with a star matching the connecting sleeve shape.
  • the rotating body 29 can also be formed as a rotating body of a cylindrical solid block, as shown in Fig. 29; or as a rotating body of a truncated-conical solid block, as shown in Fig. 30; or can be made into a spherical solid block.
  • Rotating body as shown in Figure 31.
  • the rotating body of the above-mentioned solid block is rotatably supported in the corresponding supporting sleeve A, and the inner cavity of the corresponding supporting sleeve is adapted to the shape of the rotating body supported therein.
  • the rotary module provided by the invention can realize the rotatable connection between the seat and the wheelchair body, and is convenient for the user to freely switch between the front drive and the rear drive by rotating the seat, thereby improving the passage of the wheelchair on the complicated road surface.
  • the separation and combination of the seat and the vehicle body can be quickly realized as needed, and the portability of the wheelchair is increased.

Abstract

一种轮椅车的旋转模块（3），用于轮椅车的座椅（1）相对轮椅车的车体（2）转动，该模块包括转轴（4）、转动体（9）和基座（5），转轴（4）上端固定在座椅（1）底部，转动体（9）设置在转轴（4）上，基座（5）设置在车体（2）上，基座（5）内设有支承套（31），座椅（1）通过转轴（4）插入支承套（31）且转动体（9）配置于支承套（31）内，而可转动地连接于车体（2）。轮椅车上的座椅（1）与车体（2）可通过插接方式进行结合和分离，以便轮椅车的运输和携带；轮椅车通过一次性与车体（2）的插接，就实现轮椅车与车体（2）的机械连接和电连接，且机械连接是可转动连接，由此可实现轮椅车通过座椅（1）的转动来改变驱动形式，以适应不同的通过条件，增加轮椅车的操作性。该旋转模块采用型材结构的基座（5）使轮椅车整体尺寸大大减小，结构紧凑，还使机加工量大大减少。

Description

一种轮椅车的旋转模块 技术领域
本发明涉及轮椅，具体涉及一种轮椅车的旋转模块。
背景技术
电动轮椅通常为后轮驱动，前轮为万向轮，这种设计的电动轮椅在复杂路面上的通过性能较差；受转弯半径的限制，现有轮椅在窄路面掉头困难。带旋转功能的轮椅已经可以克服上述问题，通过复杂路面时只需将座椅旋转180°，即可变成前轮驱动，可以增强复杂路面的通过性；在窄路面需要掉头时，只需旋转座椅即可实现，摆脱了转弯半径的限制。
但是，现有具有旋转功能的轮椅车，其上座椅与底盘之间通过较为复杂的机械连接而结合在一起，座椅与底盘成为一个整体而不可分离，除非进行机械拆卸，由此不便携带，例如无法将现有电动轮椅车(或非折叠轮椅车)装进普通私家车的后备箱；也不便运输和维修，例如批量运输电动轮椅车时，因每台轮椅车占用空间大，将使运输成本提高，而采用零部件运输到底头安装，则将难以保证装配质量和效率；而维修一般要卸下座椅，由于座椅与底盘之间连接复杂，拆卸和修复后的装配工作量大，使维修效率低。此外，现有电动轮椅车还缺少对一旋转位置进行自动锁位和自动解除锁位的对应锁位和解锁机构。
发明内容
为了克服现有技术的不足，提高电动轮椅车的自动化、智能化和人性化，本发明旨在提供一种可以便捷拆分和组合的轮椅车旋转模块，以实现轮椅车的旋转并实现轮椅车的模块化结构，以方便轮椅车的携带、运输和维修。
本发明的上述目的是通过下面的技术方案得以实现的：
一种轮椅车的旋转模块，用于轮椅车的座椅相对轮椅车的车体转动，其特征在于：所述模块包括转轴、转动体和基座，所述转轴上端固定在座椅底部，转动体设置在转轴上，基座设置在车体上，基座内设有支承套，座椅通过转轴插入支承套且转轴上的转动体配置于支承套内，而可转动地连接于车体。本发明使座椅与车体之间既可以快速转动连接，又可以快速拆分。将固定在座椅底部的转轴通过转轴下端的转动体与固定在轮椅车车体上的基座转动连接，实现座椅与车体的相对转动。而且，设有转动体的转轴可以很方便地从基座中插拔，在需要对轮椅车进行运输时将座椅部分和车体部分拆开置放，可节省放置空间，大大提高运输效率运输，也便于生活中的携带，例如通过座椅与车体拆分使之可容纳在汽车的后备箱中。
进一步的，所述旋转模块还包括多芯插头和多芯插座，所述多芯插头和多芯插座分别连接有多路信号线，多芯插头或多芯插座与转轴同心地连接在转轴下端，对应的多芯插座或多 芯插头与支承套同心地连接于支承套下方的基座上，多芯插头与多芯插座相互插接时，二者的多路信号线一一对应地电连接。由此即便在座椅与车体之间有信号线两者也可快速地进行连接或分离，且座椅与车体有相对转动也不会使信号线缠绕扭转。
进一步的，所述旋转模块还包括用于锁定座椅于一转动位置上的周向锁定机构，以及用于对锁定于一转动位置上的座椅进行解锁的解锁机构；所述周向锁定机构包括设于座椅底部并至少设有两个销孔的转盘和可弹性上下移动的弹性定位销，弹性定位销设置于基座上并处于销孔的转动路径上，在转盘上的销孔转动到弹性定位销位置，弹性定位销插入销孔，且上端部分伸出转盘上端面，使转盘固定；所述解锁机构包括转动设于转盘上方的解锁环和至少两解锁单元，所述解锁环下端面接近或贴合于转盘上端面，所述解锁单元设于解锁环上且对应于弹性定位销的圆周方向上；每一解锁单元至少包括相对解锁环转动方向前后设置的推抵斜面和弹性压制销，推抵斜面沿转动方向由高至低斜置且低端交接于解锁环的一下端面，该下端面设有孔，弹性压制销设置在该孔中且下端可弹性移动地露出下端面。上述的锁定机构可以使座椅转动到弹性定位销的位置时，保持座椅在该位置的状态，从而保证座椅在设定位置上的稳定性；同时通过改变座椅位置状态，来改变驱动形式，例如座椅锁定在周向角度为180°的两个位置上，可将原来的后驱改为前驱，这为轮椅车在行进过程中遇有通过条件差的状态，例如：遇有小的障碍或没有掉头的空间，都可通过座椅转动改变驱动方式来解决，大大方便轮椅车的驾驶操作；而解锁也十分方便，只要转动解锁环就可方便地解锁。
进一步的，所述解锁环的上端面设有沿周向分布的多个限位凸起，座椅底部设有相适配的限位凹槽，解锁环通过限位凸起配置于限位凹槽中而接近或贴合于转盘上端面旋转，且旋转中心与转盘的旋转中心同心。由此通过座椅底部的限位凹槽对解锁环上端面的限位凸起的运动制约，使解锁环完成圆周运动，使解锁环做转动的运动轨迹结构更加简约，方便制作。
更进一步的，所述限位凹槽由限位圆环壁和沿一圆周上分布的多个圆弧壁组成，且圆弧壁处于圆环壁内侧；圆弧壁的弧长大于两相邻圆弧壁间隔的弧长，每一圆弧壁外侧设有所述弹性压制销放置孔，放置孔中置有弹性压制销，弹性压制销压触解锁环，使解锁环下端面接近或贴合于转盘上端面。限位凹槽由多个圆弧壁和处于内侧的圆环壁形成，便于制作。
更进一步的，所述解锁机构还包括多个使解锁环旋转回位的扭簧，该多个扭簧均布在解锁环内的一周向方向上，扭簧一端固定在座椅底部上，另一端穿过由两相邻圆弧壁间隔形成的空档触压于解锁环上的限位凸起。用多个周向分布的扭簧来替代通常将一扭簧置于中心转动位置，一方面可大大减小扭簧尺寸(包括使用的钢丝尺寸)，使整个旋转模块沿转轴方向的尺寸尽量小，另一方面使解锁环回位时的受力更加均衡，从而使回位转动更加平稳。
更进一步的，所述弹性压制销为设有压缩弹簧的碰珠。
进一步的，所述解锁环一侧设有操纵解锁环转动的传动臂，所述转盘对应位置设有限位孔槽，传动臂穿过限位孔槽伸出转盘外，以便对解锁环转动进行操纵控制。
进一步的，所述旋转模块还包括轴向锁定机构，该轴向锁定机构包括锁槽和锁板，所述锁板设于所述转轴下部至少一侧；在支承套下方设置下垫套，所述锁槽设置在该下垫套上，所述转轴插入支承套且转动体配置于支承套内时，锁板插入下垫套的槽口下端，转轴转动，锁板至少部分转离槽口而位于槽口下方时转轴被轴向限定。该轴向限位机构可以用于限制座椅与底盘意外脱离，保证座椅与底盘可靠地连接。
进一步的，所述基座设计为型材并包括沿型材长度方向设置的上端板、基座容纳腔和两垂直筋板，所述基座容纳腔设于所述上端板下方，两垂直筋板设于基座容纳腔中，所述上端板的上设有支承孔，支承孔与交接于两垂直筋板分别形成定位槽口，基座容纳腔的腔底面设有与支承孔同心的插接套孔，该插接套孔用于连接放置有多芯插座或多芯插头的插接套，对应连接轴孔的侧边设置贯穿所述连接轴孔的连接槽口；所述下垫套轴向定位在定位槽口上，支承套紧配在支承孔中且在下垫套上轴向定位。更进一步的，所述基座可摆动地设置在车体上。由此，上述基座的还包括摆动轴孔和连接轴孔，所述连接轴孔至少设于容纳腔上端外侧的一侧，所述摆动轴孔设于所述容纳腔外侧的下端，在对应连接轴孔的侧边设置贯穿所述连接轴孔的连接槽口，基座通过一穿接摆动轴孔的摆动轴转动连接于车体，一推动基座转动的驱动杆的端部置于所述连接槽口中并通过穿接于连接轴孔的连接轴与基座铰接。将基座设计为型材，可方便轮椅车的制作，大大减少机加工量，同时使结构更加紧凑；将基座可转动地设置在车体上，使其配合相应的水平传感元件能进行座椅保持水平位置时所需的调整，并可使座椅具有可摆动的逍遥功能。
进一步的，所述基座的上端板上还设有销座孔，用于放置弹性定位销的定位销座置于该销座孔中；所述弹性定位销由定位销、弹簧挡圈和弹簧组成，弹簧挡圈卡接在定位销上，弹簧设置在定位销座内并套接定位销，且自由端抵触于弹簧挡圈，使定位销回位。
进一步的，所述转轴中心设有空腔，多芯插头或多芯插座分别通过对应的插接座套连接在转轴中心的空腔内，对应的多路信号线通过转轴中心的空腔引出。因此转轴中心的空腔既便于信号线的引导，又便于转轴与多芯插头或多芯插座的连接。进一步的，所述多芯插头至少由插头本体和沿插头本体轴向排列且相互绝缘的多个第一电连接端子组成；所述多芯插座至少由插座本体和沿插座本体轴向排列且相互绝缘的多个第二电连接端子组成，多芯插头和多芯插座相互可转动地插接时，同一轴向位置上的第一电连接端子和第二电连接端子相互弹性压触地电连接。由此，本发明通过沿轴向排列的第一电连接端子与第二电连接端子的可插接且可转动的一一对应连接，来实现座椅与车体之间有信号线的电连接或电连接的分离。
进一步的，所述转动体为圆锥滚子轴承转动体，该转动体包括连接在转轴上的轴承内圈、连接于轴承内圈的保持架和可支承在保持架上的圆锥滚子；所述支承套为圆锥滚子轴承的轴承外圈；座椅通过转轴插入轴承外圈且圆锥滚子轴承转动体配置于轴承外圈与底盘转动连接。或所述转动体包括轴承和连接套，轴承通过轴承的内圈连接在转轴上，连接套连接于轴承外圈且廓形为非圆形；支承套内设有与连接套廓形相适配的内腔；座椅通过转轴插入支承套且连接套配置于支承套内腔与底盘转动连接。利用圆锥滚子与轴承外圈的配合，大大减少转动阻力，并能承受一定的轴向力，使座椅的转动轻松。
进一步的，所述转动体为圆柱形转动体或圆锥台形或半球形转动体，圆柱形转动体、圆锥台形和半球形转动体所对应支承套的内腔分别为与转动体相适配的设有可转动地配置于与对应转动体形状相适配的支承套内。
因此，本发明具有这样的有益效果：轮椅车上的座椅与车体可通过插接方式进行结合和分离，以便轮椅车的运输和携带；轮椅车通过一次性与车体的插接，就实现了轮椅车与车体的机械连接和电连接，且机械连接是可转动的连接，由此可实现轮椅车通过座椅的转动来改变驱动形式，以适应不同的通过条件，大大增加了轮椅车的操作性；同时本发明采用一个型材结构的基座使轮椅车整体尺寸大大减小，结构紧凑，还使轮椅车生产的机加工量大大减少。
附图说明
图1是实施例1给出的连接于座椅与车体之间的旋转模块结构示意图。
图2是图1所示旋转模块在座椅与车体分离时的结构示意图。
图3是实施例2给出的连接于座椅与车体之间且具有多芯插头和多芯插座的旋转模的结构示意图。
图4是图3所示旋转模块在座椅与车体分离时的结构示意图。
图5是多芯插头与多芯插座相互插接时的结构示意图。
图6是图5所示的多芯插头的结构示意图。
图7是图5所示的多芯插座的结构示意图。
图8是图7所示多芯插座的俯视图。
图9是实施例3给出的连接于座椅与车体之间且具有多芯插头和多芯插座的旋转模的结构示意图，其中多芯插座连接于转轴，多芯插连接于基座。
图10是图9所示旋转模中的多芯插头和多芯插座相互插接时的结构示意图。
图11是图10中所示多芯插座的结构示意图。
图12是图11所示多芯插座的仰视图。
图13是图10中所示多芯插头的结构示意图。
图14是实施例4给出的旋转模块剖视图(沿基座长度方向的剖视)。
图15是轴向锁定机构的结构示意图。
图16是图15中所示转轴及连接于转轴下端的锁板的结构示意图。
图17是图15中所示下垫套的结构示意图。
图18是实施例4中所述基座的结构示意图。
图19是图18所示基座的A-A剖视图。
图20是周向锁定机构结构示意图。
图21弹性定位销结构示意图。
图22是周向锁定机构、解锁机构位置关系示意图。
图23是解锁环的三维结构示意图。
图24是图22所示解锁环的A-A剖视图。
图25是座椅底部的限位凹槽及限位圆环壁的结构示意图。
图26是解锁环的工作原理示意图，其中：图A为定位销22上端抵触在上抵触面321的情形，图B为定位销22上端部分触接斜面32的情形，图C为定位销22移出解锁腔处于解锁环的下端面的下方的情形，图D为解锁环27上的碰珠29转动到销孔25位置压入销孔25并下压定位销22的情形。
图27是转盘、解锁环及扭簧的位置关系的三维示意图。
图28是另一种结构的转动体与支承套。
图29是圆柱形转动体及对应支承套的结构示意图。
图30是圆锥台形转动体及对应支承套的结构示意图。
图31是球面形转动体及对应支承套的结构示意图。
图中，1为座椅，2为车体，3为旋转模块，4为转轴，31为支承套，45为插头套，46为插座套，5为基座，6为座椅底部转轴插孔，61为座椅底部固定锥套的螺孔，62为座椅底部固定转盘的螺孔，63为座椅底部固定扭簧的柱体，7为支承套，8为圆锥滚子轴承，9转动体，10为轴承外圈，11为锥套，111为锥套上的固定孔，12为下垫套，13为锁板，14为锁槽，141为挡板，20为转盘，201为转盘上的固定孔，21为定位销座，22为定位销，23为弹簧挡圈，24为压缩弹簧，25为销孔，26为转盘上与传动臂适配的限位槽孔，27为解锁环，271为解锁环的下端面，272为解锁环的上端面，273为放置碰珠的孔，28为解锁腔，29为碰珠，32为推抵斜面，321为上抵触面，33为限位凸起，34为传动臂，35为限位凹槽，351为限位圆环壁，352为圆弧壁，353为弹性压制销放置孔，36为扭簧，37为碰珠，50为竖直筋板，501为定位槽口，502为插座套孔，503为定位筋板，51为上端板，52为主容纳腔， 53为侧容纳腔，54为摆动轴孔，55为连接轴孔，551为连接槽口，56为支承孔，561为孔，57为定位销座孔，59为插座套，592为腰形孔，15为多芯插头，151为插头本体，152为第一卡簧，153为第一电连接端子，154为绝缘环，155为引线孔，156为第一电连接线，157为轴向定位台阶面，158为第二卡簧，159为台阶面，16为多芯插座，161为插座本体，162为调节螺母，163为第二电连接端子，165为弹簧，166为第二电连接线，167为引线孔槽，168为插接孔，169为端子孔。
具体实施方式
下面结合实施例和附图来进一步说明本发明。
实施例l
如图1、2所示，本发明的旋转模块3设置在轮椅车的座椅1与车体2之间，用于座椅1相对于车体的转动。该旋转模块3包括转轴4、转动体9和基座5，转轴4的上端固定在座椅1的底部，转动体9设置在转轴4上，基座5设置在车体2上，基座5内设有支承套31。本实施例的转动体9为圆锥滚子轴承8内的转动体，由该轴承8中的轴承内圈(未画出)、连接于该轴承内圈的保持架(未画出)和支承在保持架上圆锥滚子(未画出)组成，轴承内圈连接在转轴上，轴承外圈作为支承套31连接在基座5上，基座连接在车体2上。
当座椅1上的转轴4插入支承套(轴承外圈)31中且转轴上的转动体配置于支承套31时，座椅1通过转轴4插入支承套31且转轴上的转动体9配置于支承套31内，而可转动地连接于车体。
实施例2
本实施例的旋转模块是基于实施例1的基础上做出的，但本实施例所对应的座椅与车体之间有多个信号线，如若采用实施例1所述的旋转模块，即使座椅与车体实现了机械分离，但由于多个信号线的牵绊，使得二者不能彻底的物理分离。因此本发明还设置了用于座椅1与车体2进行电连接或对该电连接进行分离的多芯插头15和多芯插座16。如图3，本实施例将多芯插头15与转轴4同心的连接在转轴4的下端，将多芯插座16同心的设置在支承套31(即轴承外圈)的下方，在座椅通过转轴插入轴承外圈且转轴上的转动体配置于轴承外圈时，转轴一端的多芯插头15与基座5上的多芯插座16相互插接，进行多路电信号传输的电连接；在座椅拔离座椅拔离轴承外圈10时，而与车体进行所述电连接的分离，如图4。
为了便于与不同尺寸的多芯插头15连接，转轴4通过插头套45与多芯插头15连接。如图5并结合图3、4，转轴4为中心设有圆孔形空腔的结构，其下端设有与插头套45相适配的孔，多芯插头紧配于该插头套45中，并通过插头套45与转轴上述孔的配合同心的连接在转轴4的下端，且座椅上的电信号传输线均通过转轴中心的空腔引出。本实施例的多芯插头 15与多芯插座16上分别设有沿轴向排列且相互绝缘的多个第一电连接端子153和多个第二电连接端子163，在多芯插头15和多芯插座16相互插接时，第二电连接端子弹性的压触在对应轴向位置的第一电连接端子上，进行两对应电连接端子间的电连接，以传输电信号。
如图6，上述的多芯插头15包括插头本体151、第一电连接端子153、绝缘环154和第一电连接线156，插头本体151是由绝缘材料制成的中空管，其管壁的一周向位置上设有多个沿轴向分布的引线孔155，引线孔155与其中心的中空腔相连；第一电连接端子153和绝缘环154分别为与所述中空管的外壁相适配的圆环，并分别由导电材料和绝缘材料制成，且第一电连接端子153的外径大于绝缘环154的外径；多个第一电连接端子153沿轴向套接在插头本体151上，并由绝缘环154间隔，每一第一电连接端子153置于对应引线孔155的轴向位置上，使与第一电连接端子153连接的电连接线一端与第一电连接端子153连接，另一端通过引线孔155引入插头本体151的中空腔，再由中空腔向外引出。
如图7、8，多芯插座16包括多芯插座本体161、第二电连接端子163、弹簧165、调节螺母162和第二电连接线166；第二电连接端子163一端为小直径端，另一端为大直径端，第二电连接线166连接在大直径端；多芯插座本体中心设有与第一电连接端子153的外径相适配的插接孔168，在多芯插座本体的一周向位置上设有多个沿轴向分布的端子孔169，该端子孔沿插接孔168的径向方向设置，并贯穿插接孔168的孔壁，该端子孔对应于插接孔168的内侧端的孔径大于第二电连接端子163的小直径端直径但小于大直径端的直径，外侧端的孔壁上设有内螺纹，调节螺母162通过旋接与该内螺纹而一端置于端子孔169中，调节螺母的中心设有孔，弹簧165一端抵于第二电连接端子163，一端抵于调节螺母162，在弹簧165的弹力作用下，第二电连接端子163向插接孔侧伸出而压触在对应的第一电连接端子153上，与该第一电连接端子153电连接，通过调节调节螺母162旋入深度来调节两电连接端子的相互抵紧程度，以保证较佳的电连接。一端连接于第二电连接端子大直径端的第二电连接线166，其另一端穿过弹簧165及调节螺母162中心处的孔而引出多芯插座16外。
多芯插座16呈圆管状，轴向定位在插座套59上并与之紧配合，多芯插座16通过插座套59固定在基座5上。插座套59侧壁的一周向位置上设有腰形孔592，该腰形孔与多芯插座16的端子孔169的周向位置相对应，调节螺母162从该腰形孔旋接于端子孔169，多芯插座16下端对应于端子孔169的周向位置上设有引线孔槽167，第二电连接线166由引线槽167从插座套59的中心孔引入多芯插座16。
上述的多芯插头15还包括第一卡簧152和第二卡簧158，插头本体151的管壁上还设有端子轴向定位台阶面157和对应的两个卡簧槽，最上端的第一电连接端子以端子轴向定位台阶面157进行轴向定位，接着绝缘环154和第一电连接端子153依次间隔地套设在插头本体 151上，在对应于最下端的绝缘环154位置处的卡簧槽内设置卡簧152，对最下端的绝缘环154轴向位置进行限定，使所有的第一电连接端子153和绝缘环154被固定在插头本体151上。卡簧152相对转轴端部的一端设有倒角，倒角面更容易插入伸出插接孔168的第二电连接端子163的前端，将其压向端子孔内，以使多芯插头以便容易地插入多芯插座中。第二卡簧158设置在端子轴向定位台阶面157上方，用以卡接卡簧154，卡簧158用以对卡多芯插头15插入多芯插座16的相对位置进行定位，以保证第一电连接端子与第二电连接端子一一对应的电连接位置关系。
因此，在座椅通过转轴及转动体转动连接于车体时，多芯插头与多芯插座相互插接，二者的多路信号线一一对应地电连接，在座椅拔离车体时，上述的电连接分离，从而使座椅很方便地与车体进行机械和电连接。同时由于多芯插头和多芯插座之间可相对转动，由此还解决了由于座椅与车体之间的相对转动引起信号线缠绕的问题。
实施例3
如图9、10，本实施例的旋转模块与实施例2基本相同，其不同之处是将多芯插座16通过插座套46同心的连接在转轴4的下端，多芯插头15通过插头套45设置在支承套31下方的基座5上，且与支承套31同心。支承套31与实施例2相同，都为轴承外圈。在座椅通过转轴4插入支承套31且转轴上的转动体配置于轴承外圈时，转轴一端的多芯插座16与基座5上的多芯插头15相互插接，进行多路电信号传输的电连接；在座椅拔离座椅拔离轴承外圈10时，而与车体进行所述电连接的分离。
如图11、12，本实施例的多芯插座16的引线孔槽167设置在端子孔169的上方，第一电连接线166由引线槽167从插座套59的中心孔引出多芯插座16；如图13，多芯插头15紧配合在插头套45中，并通过插头套45定位安装在基座5上，且与支承套31同心，其它结构与实施例2相同，不再赘述。
如图13，本实施例的多芯插头15与实施例2基本相同，不同之处仅在于，本实施例的多芯插头本体上设有台阶面159，以替代实施例2中的卡簧152，以对卡多芯插头15插入多芯插座16的相对位置进行定位，保证第一电连接端子与第二电连接端子一一对应的电连接位置关系。
实施例4
如图14，本实施例用于轮椅车上座椅1相对轮椅车的车体转动的旋转模块主要由转轴4、转动体9、基座5和支承套31组成。支承套31设置在基座5上，转动体9为圆锥滚子轴承8内的转动体，由该轴承8中的轴承内圈(未画出)、连接于该轴承内圈的保持架(未画出)和支承在保持架上圆锥滚子(未画出)组成，该转动体通过轴承内圈连接在转轴上，轴承外 圈作为支承套31连接在基座5上，基座5连接在车体上。用于座椅1与车体2上信号线进行电连接或对该电连接进行分离的多芯插头15和多芯插座16，分别通过对应的插头套45和插座套59固定连接在转轴4的下端和支承套31下端的基座上，且分别与转轴4和支承套31同心。由于本实施例所对应的信号线接入路数不多，采用耳机的插头和插座作为多芯插头15和多芯插座16的替代。转轴4与上述实施例3一样为中心设有圆孔形空腔的结构，多芯插头15通过插头套45固定在转轴4上。
如图15-17，为限制座椅与车体意外脱离，本实施例的旋转模块还设置了轴向锁定机构，该轴向限位机构包括锁板13和锁槽14，锁板13连接在转轴4下端(也可连接在转轴的圆周侧)，锁槽14设置在下垫套12上并位于支承套31的下方，锁槽14与锁板13相适配，下垫套12是上端具有法兰边的圆形套管，锁槽14是由设置在下垫套12内腔的挡板141形成的锁板插入口，转轴上的锁板13在与锁槽14相适配的位置插入锁槽14后，转动位置使锁板13进入挡板141的区域，则在转轴4向上移动时受到挡板141轴向限定。
如图18、19，基座5由设计为型材结构，该基座型材包括沿型材长度方向设置的上端板51、设置在上端板51下方的容纳腔及设置在容纳腔内与上端板垂直的两竖直筋板50，或还包括定位筋板503。
进一步的，为了实现轮椅车的前后转动功能，将基座5可转动地设置在车体2上，由此在基座型材还设有沿基座型材长度方向设置的连接轴孔55和摆动轴孔54，连接轴孔55至少设于容纳腔上端外侧的一侧，摆动轴孔54设于所述容纳腔外侧的下端。
基座5根据设定的尺寸截取并进行少量机加工制得。在截取的基座型材的上端板51上加工支承孔56，支承孔56的孔径大于两竖直筋板50的间距，使支承孔56与两垂直筋板相交接，形成两定位槽口501，下垫套通过其上的法兰边轴向定位在定位槽口上，支承套紧配在支承孔中且在下垫套上轴向定位。如若支承孔56的孔径小于两竖直筋板50的间距，下垫套由下端在定位筋板503上定位。在基座容纳腔的腔底面加工与支承孔同心的插座套孔502，插座套孔502与支承孔56贯通且同心，该插座套孔用于通过紧配合连接用以放置多芯插座的插座套59。在对应连接轴孔的侧边加工贯穿所述连接轴孔的连接槽口551，推动基座5转动的一驱动杆的端部置于该连接槽口551，并通过穿接于连接轴孔55的连接轴与基座5铰接。基座5通过一穿接摆动轴孔54的摆动轴转动连接于车体2上(例如在车体2设置转动连接摆动轴的孔或轴承座)。本实施例的驱动杆是一种电机的输出轴，该电机的输出轴可轴向移动(参见公开号为CN201520922383，名称为一种电机的中国专利)，该电机可摆动地设置在车体2上，通过输出轴的轴向移动推动座椅转动。使座椅的前后水平状态可调，例如结合一个水平传感器(陀螺仪)即使爬坡时，也可保持座椅的水平状态，还可通过输出轴的往复轴向 移动使座椅前后摆动，具有逍遥功能。
实施例5
为了保证在座椅相对车体转动到某一位置时保持座椅在该位置上稳定性，本发明还设置了锁定座椅于一转动位置上的周向锁定机构，以及对锁定于该位置上的座椅再次转动前进行解锁的解锁机构，该两机构是基于上述各实施例的旋转模块的基础上做出的。
如图20、21，锁定机构包括转盘20和弹性定位销2A，转盘20固定在座椅底部，销孔25有两个，设置在转盘20的同一圆周方向上，且相位差为180°，弹性定位销2A设置在基座上，例如设置在实施例6所述的基座的上端板上，并处于转盘20下方且对应于销孔的一周向位置上设置销座孔，定位销座21固定在该孔内。弹性定位销2A由压缩弹簧24、弹簧挡圈23和定位销22组成，弹簧挡圈23卡设于定位销22上部，压缩弹簧24套设定位销22且自由端通过抵触于弹簧挡圈23与定位销22连接，定位销22通过压缩弹簧24设置在定位销座21内，在转盘20上的销孔25转动到定位销22上方时，压缩弹簧向上的作用力使定位销22弹起插入销孔25且上端部分伸出转盘20上端面，使转盘20固定。
如图22-25所示，解锁机构包括转动设于转盘20上方且可相对转盘转动的解锁环27和两解锁单元(也可以设置更多个)，解锁环27下端面接近或贴合于转盘20上端面，两解锁单元均布在解锁环27对应于销孔25的圆周向方向上，每一解锁单元至少由相对解锁环27转动方向前后设置的推抵斜面32和可上下弹性移动的弹性体组成，形成二级解锁。推抵斜面32沿转动方向由高至低斜置且低端交接于解锁环27的一下端面，形成该下端面上方的一个解锁腔28，本实施例在推抵斜面32上端边还设置了上抵触面321，使解锁腔28成梯形体的空腔。弹性体采用碰珠29，设于解锁环27下端面271的孔273中，且下端在弹力作用下露出下端面。解锁过程如图26所示，解锁环27转动，其一解锁单元位置转动到相对定位销22位置，定位销22伸出转盘20上端面的上端部分于解锁腔28中，其上端首先抵触在上抵触面321上如图26A，接着定位销22上端部分触接斜面32如图26B，斜面32随解锁环27转动不断向下压触定位销22，直至定位销22移出解锁腔处于解锁环的下端面的下方如图26C，此时完成一级解锁；接着，在解锁环27上的碰珠29转动到销孔25位置，碰珠29压入销孔25并下压定位销22，如图26D，定位销22完全压出销孔25，转盘20可以转动，完成二级解锁。
本实施例设置了两个销孔25，在正常向前行驶时，座椅底部的转盘上一销孔25处于定位销22上方位置，使座椅在该前进位置上被定位，在座椅旋转180°对着后退方向时，另一销孔25处于定位销22上方位置，使座椅在该后退位置上被定位。这样可通过座椅180°旋转改变原有轮椅车的驱动方式，例如使原来后驱动变为前驱动方式，或使原来前驱动变为后驱动方式，可大大方便轮椅车的驾驶操作。销孔25不限于上述两位置设置，如若座椅需要旋转到 其他位置，并需要在其旋转的位置上定位时，可以在转盘的对应位置上设置对应的销孔25，以使座椅转动到所需位置时所对应的销孔处于定位销22上方，被定位销22插入锁定。
如图27，解锁环27的转动通过手动驱动，为此在解锁环27一侧设置了用于传递驱动力的传动臂34，在转盘20一侧设有沿周向开设的限位槽孔26，传动臂34从该限位槽孔26伸出转盘20与对应的操纵杆(未画出)连接。
解锁环27的上端面设有四个限位凸起33，座椅底部设有与限位凸起33适配的用于限定解锁环27旋转路径的限位凹槽35(如图3所示)，解锁环27通过限位凸起33配置于限位凹槽35中而转动地连接在座椅底部，并接近或贴合于转盘上端面转动。如图3所示，本实施例的限位凹槽35由限位圆环壁351和沿一圆周上分布的四个圆弧壁352组成，圆弧壁352处于圆环壁351内侧，且圆弧壁352的弧长大于两相邻圆弧壁间隔的弧长。
为了保证解锁环27稳定地支承在转盘20上，且使解锁环27下端面接近或贴合于转盘20上端面，在解锁环27上端设置四个弹性压制销。本实施例的弹性压制销是设有弹簧的碰珠，四个碰珠分别设置在座椅底部对应的弹性压制销放置孔353中，本实施例的弹性压制销放置孔353设置在每一圆弧壁352外侧，如图23所示，碰珠下端露出弹性压制销放置孔353外弹性地压制在解锁环27上端一侧。
完成一次解锁后，解锁环27要回位至初始状态，本实施例采用四个扭簧36，四个扭簧36均布在解锁环内，且套设在座椅底部的柱体63上，参见图23，每一扭簧一端固定于转盘，另一端穿过由两相邻圆弧壁间隔形成的空档触压于解锁环27上的限位凸起33。解锁环27在传动臂34的传动下转动并使扭簧产生扭转，在对传动臂34的传动结束后，在扭簧扭力作用下解锁环27要回位。
实施例6
如图28，作为一种替代结构，上述各实施例中的转动体9可以由圆锥滚子轴承8和连接套92组成，圆锥滚子轴承8通过内圈固定在转轴上，连接套92固定在圆锥滚子轴承的外圈10上，连接套92的廓形为由圆弧面922和平面921组成的非圆形的星形状；支承套31内设有与该连接套廓形相适配的星形状内腔；在座椅通过转轴插入支承套31且连接套92配置于支承套31内腔时，连接套92相对支承套31无转动。座椅转动时，转轴及连接在转轴上的圆锥滚子轴承8的圆锥滚子相对轴承的外圈10、连接套92及支承套31转动，由此实现座椅与车体的转动连接。
实施例7
作为一种替代结构，转动体29还可以做成圆柱形实体块的转动体，如图29；或可以做成圆锥台形实体块的转动体，如图30；或可以做成球面形实体块的转动体，如图31。上述实 体块的转动体可转动地支承在所对应支承套A内，对应支承套的内腔与支承于其中的转动体形状相适配。
本发明提供的旋转模块既可以实现座椅与轮椅车车体之间的可转动连接，便于使用者通过旋转座椅在前驱和后驱之间自由切换，提高轮椅车在复杂路面的通过性，又可以根据需要快速实现座椅与车体的分离和结合，增加了轮椅车的便携性。

Claims (18)

  1. 一种轮椅车的旋转模块，用于轮椅车的座椅相对轮椅车的车体转动，其特征在于：所述模块包括转轴、转动体和基座，所述转轴上端固定在座椅底部，转动体设置在转轴上，基座设置在车体上，基座内设有支承套，座椅通过转轴插入支承套且转轴上的转动体配置于支承套内，而可转动地连接于车体。
  2. 根据权利要求1所述的旋转模块，其特征在于：所述旋转模块还包括多芯插头和多芯插座，所述多芯插头和多芯插座分别连接有多路信号线，多芯插头或多芯插座与转轴同心地连接在转轴下端，对应的多芯插座或多芯插头与支承套同心地连接于支承套下方的基座上，多芯插头与多芯插座相互插接时，二者的多路信号线一一对应地电连接。
  3. 根据权利要求2所述的旋转模块，其特征在于：所述旋转模块还包括用于锁定座椅于一转动位置上的周向锁定机构，以及用于对锁定于一转动位置上的座椅进行解锁的解锁机构；
    所述周向锁定机构包括设于座椅底部并至少设有两个销孔的转盘和可弹性上下移动的弹性定位销，弹性定位销设置于基座上并处于销孔的转动路径上，在转盘上的销孔转动到弹性定位销位置，弹性定位销插入销孔，且上端部分伸出转盘上端面，使转盘固定；
    所述解锁机构包括转动设于转盘上方的解锁环和至少两解锁单元，所述解锁环下端面接近或贴合于转盘上端面，所述解锁单元设于解锁环上且对应于弹性定位销的圆周方向上；每一解锁单元至少包括相对解锁环转动方向前后设置的推抵斜面和弹性压制销，推抵斜面沿转动方向由高至低斜置且低端交接于解锁环的一下端面，该下端面设有孔，弹性压制销设置在该孔中且下端可弹性移动地露出下端面。
  4. 根据权利要求3所述的旋转模块，其特征在于：所述解锁环的上端面设有沿周向分布的多个限位凸起，座椅底部设有相适配的限位凹槽，解锁环通过限位凸起配置于限位凹槽中而接近或贴合于转盘上端面旋转，且旋转中心与转盘的旋转中心同心。
  5. 根据权利要求4所述的旋转模块，其特征在于：所述限位凹槽由限位圆环壁和沿一圆周上分布的多个圆弧壁组成，且圆弧壁处于圆环壁内侧；圆弧壁的弧长大于两相邻圆弧壁间隔的弧长，每一圆弧壁外侧设有所述弹性压制销放置孔，放置孔中置有弹性压制销，弹性压制销压触解锁环，使解锁环下端面接近或贴合于转盘上端面。
  6. 根据权利要求5所述的旋转模块，其特征在于：所述解锁机构还包括多个使解锁环旋转回位的扭簧，该多个扭簧均布在解锁环内的一周向方向上，扭簧一端固定在座椅底部上，
    另一端穿过由两相邻圆弧壁间隔形成的空档触压于解锁环上的限位凸起。
  7. 根据权利要求5所述的旋转模块，其特征在于：所述弹性压制销为设有压缩弹簧的碰珠。
  8. 根据权利要求3所述的旋转模块，其特征在于：所述解锁环一侧设有操纵解锁环转动 的传动臂，所述转盘对应位置设有限位孔槽，传动臂穿过限位孔槽伸出转盘外。
  9. 根据权利要求3所述的旋转模块，其特征在于：所述旋转模块还包括轴向锁定机构，该轴向锁定机构包括锁槽和锁板，所述锁板设于所述转轴上；在支承套下方设置下垫套，所述锁槽设置在该下垫套上，所述转轴插入支承套且转动体配置于支承套内时，锁板插入下垫套的槽口下端，转轴转动，锁板至少部分转离槽口而位于槽口下方时转轴被轴向限定。
  10. 根据权利要求9所述的旋转模块，其特征在于：所述基座设计为型材并包括沿型材长度方向设置的上端板、基座容纳腔和两垂直筋板，所述基座容纳腔设于所述上端板下方，两垂直筋板设于基座容纳腔中，所述上端板的上设有支承孔，支承孔与交接于两垂直筋板分别形成定位槽口，基座容纳腔的腔底面设有与支承孔同心的插接套孔，该插接套孔用于连接放置有多芯插座或多芯插头的插接套，对应连接轴孔的侧边设置贯穿所述连接轴孔的连接槽口；所述下垫套轴向定位在定位槽口上，支承套紧配在支承孔中且在下垫套上轴向定位。
  11. 根据权利要求10所述的旋转模块，其特征在于：所述基座可摆动地设置在车体上。
  12. 根据权利要求11所述的旋转模块，其特征在于：所述基座还包括摆动轴孔和连接轴孔，所述连接轴孔至少设于容纳腔上端外侧的一侧，所述摆动轴孔设于所述容纳腔外侧的下端，在对应连接轴孔的侧边设置贯穿所述连接轴孔的连接槽口，基座通过一穿接摆动轴孔的摆动轴转动连接于车体，一推动基座转动的驱动杆的端部置于所述连接槽口中并通过穿接于连接轴孔的连接轴与基座铰接。
  13. 根据权利要求11所述的旋转模块，其特征在于：所述基座的上端板上还设有销座孔，用于放置弹性定位销的定位销座置于该销座孔中；所述弹性定位销由定位销、弹簧挡圈和弹簧组成，弹簧挡圈卡接在定位销上，弹簧设置在定位销座内并套接定位销，且自由端抵触于弹簧挡圈，使定位销回位。
  14. 根据权利要求2所述的旋转模块，其特征在于：所述转轴中心设有空腔，多芯插头或多芯插座分别通过对应的插接座套连接在转轴中心的空腔内，对应的多路信号线通过转轴中心的空腔引出。
  15. 根据权利要求14所述的旋转模块，其特征在于：所述多芯插头至少由插头本体和沿插头本体轴向排列且相互绝缘的多个第一电连接端子组成；所述多芯插座至少由插座本体和沿插座本体轴向排列且相互绝缘的多个第二电连接端子组成，多芯插头和多芯插座相互插接时，同一轴向位置上的第一电连接端子和第二电连接端子一一对应地电连接。
  16. 根据权利要求1所述的旋转模块，其特征在于：所述转动体为圆锥滚子轴承转动体，该转动体包括连接在转轴上的轴承内圈、连接于轴承内圈的保持架和可支承在保持架上的圆锥滚子；所述支承套为圆锥滚子轴承的轴承外圈；座椅通过转轴插入轴承外圈且圆锥滚子轴 承转动体配置于轴承外圈与底盘转动连接。
  17. 根据权利要求1所述的旋转模块，其特征在于：所述转动体包括轴承和连接套，轴承通过轴承的内圈连接在转轴上，连接套连接于轴承外圈且廓形为非圆形；支承套内设有与连接套廓形相适配的内腔；座椅通过转轴插入支承套且连接套配置于支承套内腔与底盘转动连接。
  18. 根据权利要求1所述的旋转模块，其特征在于：所述转动体为圆柱形转动体或圆锥台形或半球形转动体，圆柱形转动体、圆锥台形和半球形转动体所对应支承套的内腔分别为与转动体相适配的设有可转动地配置于与对应转动体形状相适配的支承套内。
PCT/CN2018/110517 2017-11-08 2018-10-16 一种轮椅车的旋转模块 WO2019091262A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711093614.9 2017-11-08
CN201711093614.9A CN107714329B (zh) 2017-11-08 2017-11-08 一种轮椅车的旋转模块

Publications (1)

Publication Number Publication Date
WO2019091262A1 true WO2019091262A1 (zh) 2019-05-16

Family

ID=61223118

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/110517 WO2019091262A1 (zh) 2017-11-08 2018-10-16 一种轮椅车的旋转模块

Country Status (2)

Country Link
CN (1) CN107714329B (zh)
WO (1) WO2019091262A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11602471B2 (en) 2020-05-28 2023-03-14 Liko Research & Development Ab Rotating assembly for electrically coupling a lift unit to a power source

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107714329B (zh) * 2017-11-08 2024-03-01 南京康尼机电股份有限公司 一种轮椅车的旋转模块
CN108813973B (zh) * 2018-05-31 2020-12-29 王鑫宇 残疾学生用多功能课桌组合
CN111605648B (zh) * 2020-07-03 2022-04-26 安徽金百合医疗器械有限公司 座椅支撑装置及代步车

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030019684A1 (en) * 2001-07-30 2003-01-30 Wucherpfennig Fredrick D. Personal mobility vehicle incorporating tilting and swiveling seat and method for use while playing golf
US20030062753A1 (en) * 2001-09-28 2003-04-03 Chao Ya-Chen Wheeled chair with a seat locking unit
US20040051279A1 (en) * 2002-09-17 2004-03-18 Grant William M. Mobile elevating chair apparatus
CN107242942A (zh) * 2017-06-29 2017-10-13 南阳医学高等专科学校第附属医院 一种神经外科术后护理康复装置
CN107714329A (zh) * 2017-11-08 2018-02-23 南京康尼机电股份有限公司 一种轮椅车的旋转模块

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3180810B2 (ja) * 1985-03-29 2001-06-25 スズキ株式会社 電動車輛における回転シートのロック構造
JP3109484B2 (ja) * 1998-07-22 2000-11-13 スズキ株式会社 電動車輛における回転シートのロック構造
JP4096419B2 (ja) * 1998-09-25 2008-06-04 トヨタ車体株式会社 車両用シートの移動機構
TW466948U (en) * 2001-04-10 2001-12-01 Merits Health Products Co Ltd Electric wheelchair with front and rear wheel drive
CN201347008Y (zh) * 2008-09-08 2009-11-18 宝贝心企业股份有限公司 车辆座椅及导轨式车辆座椅调整装置
CN201994006U (zh) * 2010-09-29 2011-09-28 福建捷联电子有限公司 全方向旋转显示器
DE202012103030U1 (de) * 2012-08-10 2012-09-07 Mu-Chang Tsai Rollstuhl mit einem verstellbaren Schwerpunkt
DE102014211962B4 (de) * 2014-06-23 2016-01-07 Kintec-Solution Gmbh Drehbares Sitzmöbelstück
CN105691254B (zh) * 2016-04-25 2018-05-08 刘超 一种儿童座椅定位旋转装置
CN105852468A (zh) * 2016-05-13 2016-08-17 王宏伟 一种预防颈椎、腰椎病的电动转椅及方法
CN208756351U (zh) * 2017-11-08 2019-04-19 南京康尼智能技术有限公司 一种轮椅车的旋转模块

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030019684A1 (en) * 2001-07-30 2003-01-30 Wucherpfennig Fredrick D. Personal mobility vehicle incorporating tilting and swiveling seat and method for use while playing golf
US20030062753A1 (en) * 2001-09-28 2003-04-03 Chao Ya-Chen Wheeled chair with a seat locking unit
US20040051279A1 (en) * 2002-09-17 2004-03-18 Grant William M. Mobile elevating chair apparatus
CN107242942A (zh) * 2017-06-29 2017-10-13 南阳医学高等专科学校第附属医院 一种神经外科术后护理康复装置
CN107714329A (zh) * 2017-11-08 2018-02-23 南京康尼机电股份有限公司 一种轮椅车的旋转模块

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11602471B2 (en) 2020-05-28 2023-03-14 Liko Research & Development Ab Rotating assembly for electrically coupling a lift unit to a power source

Also Published As

Publication number Publication date
CN107714329B (zh) 2024-03-01
CN107714329A (zh) 2018-02-23

Similar Documents

Publication Publication Date Title
WO2019091262A1 (zh) 一种轮椅车的旋转模块
CN107638257B (zh) 一种轮椅车的旋转模块
WO2016008321A1 (zh) 手自一体螺丝批及其收容座、及充电回路
CN107696054B (zh) 一种吸盘端持器的吸盘组件
CN202622668U (zh) 一种棘轮螺丝刀的棘轮机构
CN219465257U (zh) 连接器的焊接夹具
CN208756351U (zh) 一种轮椅车的旋转模块
CN112178594A (zh) 灯具固定装置
CN107714328B (zh) 一种模块化轮椅车的座椅装置
CN208756352U (zh) 一种轮椅车的旋转模块
CN217003752U (zh) 一种快拆接头及投影安装系统
CN107498579B (zh) 一种基于限位珠的机械臂的关节连接装置
CN209799588U (zh) 一种锁芯的连接结构、锁芯结构及锁具
CN101834379B (zh) 充电接口的旋转式防拔结构
CN212056789U (zh) 一种用于室内装修的临时照明灯
CN219370818U (zh) 一种汽车机电复合式组合开关
CN212011458U (zh) 一种前旋式快接转换插头
CN220262974U (zh) 一种用于电动自行车的中轴结构
CN218783307U (zh) 一种连接器及电子设备
CN110957615A (zh) 一种带电搭接的导线连接装置
CN220287187U (zh) 一种折叠式工作灯
CN114628968B (zh) 一种可自动切换的双向棘轮式电连接器拆装辅助装置
CN215789522U (zh) 一种螺丝钉枪自动送钉器的联接锁紧机构
CN108606901A (zh) 一种连接结构
CN219123628U (zh) 适配器及具有其的轨道式插座

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18877221

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18877221

Country of ref document: EP

Kind code of ref document: A1