CN209208387U - A kind of lap device and vehicle earth system - Google Patents

Abstract

The utility model relates to vehicle bridging arrangement fields, and in particular to a kind of lap device.The lap device includes body frame, driving mechanism and locked mechanism；The driving mechanism and the locked mechanism are set to the inside of the body frame, and the locked mechanism is set to the side of the driving mechanism；A kind of lap device, small in size involved by the utility model, and transport and convenient storage, structurally reasonable, it is convenient to unlock and shut, while the effect that locks is good；The utility model has also related to a kind of vehicle earth system, which connects due to using above-mentioned lap device；Connection and decomposition between car body (scooter and wheel-chair) is more simple, while it is more secured to overlap effect.

Description

A kind of lap device and vehicle earth system

Technical field

The utility model relates to vehicle bridging arrangement fields, and in particular to a kind of lap device and a kind of use overlap joint The vehicle earth system of device.

Background technique

On the market frequent domestic at present overlaps scooter and wheel-chair, in order to which caregiver is to patient's Nurse.But the country on the market overlaps scooter and wheel-chair in spite of relevant lap device at present, still The lap device is unreasonable due to structure setting, overlaps insecure, while volume is larger, is not easy to carry, and install and It dismantles extremely cumbersome.For this reason, it is necessary to provide a kind of technological means solution drawbacks described above.

Utility model content

The utility model is realized in this way the clutch mechanism includes master the utility model relates to a kind of lap device Frame, driving mechanism and locked mechanism；The driving mechanism and the locked mechanism are set to the inside of the body frame, and the lock Gu mechanism is set to the side of the driving mechanism；More specifically, as shown, in the present invention, the body frame includes There are the first connecting plate and the second connecting plate, the bottom of first connecting plate and the second connecting plate is connected with each other, so that the first connection An installation through slot is formed between plate and the second connecting plate；The driving mechanism is set at one end port inside the installation through slot；It drives Motivation structure is set in the installation through slot, and is set to the side of driving mechanism；

More specifically, the driving mechanism includes one handle and the first cam；The handle integrally includes one Portion and an interconnecting piece are held, one end of the interconnecting piece is connected on one end of first cam, the other end and the holding Portion's connection, further, the described handle part, the interconnecting piece and first cam are integrally integrally formed；

Further, the locked mechanism includes the second cam；It is separate that second cam is set to first cam One end of the handle, and abutted against with first cam；Second cam is set on one end far from first cam There is a bayonet；The bayonet is that the one end of second cam far from first cam is recessed the arc to be formed towards its other end Shape bayonet；More specifically, the first cam is equipped with one first close to one end of second cam and abuts convex block；Described second Cam is equipped with second close to one end of first cam and abuts convex block；Under locking condition, the first abutting convex block is supported Connect the upper end for abutting convex block described second；More specifically, first convex block and the integrated molding of the first cam are abutted, first abuts Convex block is extended to form close to the top of one end of second cam towards inclination upward by the first cam comprising has the first cam Top surface and the first cam bearing surface；The second abutting convex block and second cam are integrally machined molding, and described second abuts Convex block is whole to be extended outward to form in the middle part of one end of first cam by second cam comprising has the second cam Top surface and the second cam bearing surface；In the state of locking, the first abutting convex block snaps over the described second upper end for abutting convex block, Its first cam top surface and one end of the second cam abut against；First cam bearing surface abuts the second cam in convex block with second Top surface abuts against；Second cam bearing surface is connected to the transition face formed between the first abutting convex block lower end surface and the first cam； Wherein, the second cam bearing surface is arc bearing surface, the mistake formed between the first abutting convex block lower end surface and first cam The face of crossing is the arc transiting surface for adapting to the second cam bearing surface, facilitates the first abutting convex block with this and the second abutting is convex Block smoothly moves during unlocking and locking condition switching.More specifically, the upper end of the second abutting convex block and institute It states also equipped with the first ladder section between the second cam, the upper surface of the second cam is equipped with second-order bench, in order to make With judgement unlocking or the judgement of locking condition in the process.

Further, the clutch mechanism further includes having connector assembly；The connector assembly includes the first connection Axis and the second connecting shaft；First cam and the body frame correspond to first connecting shaft and offer the first mounting hole；Institute It states the first connecting shaft and sequentially passes through corresponding first mounting hole on the body frame and first cam, with this by described One cam is mounted on the inside of the body frame；Second cam and the body frame correspond to second connecting shaft and offer the Two mounting holes；Second connecting shaft sequentially passes through corresponding second mounting hole on the body frame and second cam, Second cam is mounted on to the inside of the body frame with this；More specifically, in technical solution, i.e. the first connecting plate, The correspondence of second connecting plate and the first cam and the first connecting shaft offer the first mounting hole, and first connecting shaft sequentially passes through The first mounting hole on first connecting plate, the first cam and the second connecting plate, successively by the first cam be set to the first connecting plate and In the installation through slot that second mounting plate is formed；It can similarly obtain, the first connecting plate, the second connecting plate and the second cam correspond to the Two connecting shafts offer the second mounting hole, and second connecting shaft sequentially passes through the first connecting plate, the first cam and the second connection Second cam is set in the installation through slot that the first connecting plate and the second mounting plate are formed by the second mounting hole on plate with this；Into One step, the medium position that first mounting hole and the second mounting hole correspond respectively to first cam and the second cam opens up.

Further, the body frame is respectively equipped with a recessed bayonet on one end two sides of the bayonet.More specifically, The recessed bayonet, in the present embodiment, both the first connecting plate and the second connecting plate close to one end close to the bayonet respectively to Lower recess forms an arc notch, under locking condition, lock of the cooperation of the arc notch and bayonet by external connection bar tightly Gu in body frame.

Further, second cam is equipped with a fixed column close to the top of first cam one end；The fixation The both ends of column are separately fixed on the body frame.More specifically, the fixed column is a spring catch, which is set to described Second cam is close to the top of first cam one end, and the both ends of spring catch in the first connecting plate and second respectively by connecting Third mounting hole is offered on plate, to be mounted on body frame.By the setting of fixed column, the second cam can be limited and unlocked Rotation displacement in the process, the stability of enhancing structure.

Further, the lower end of first cam is equipped with the first card plane；It is described second abut convex block lower end surface with The second card plane is formed between second cam；The lap device further includes having a dynamic clamping head and quiet clamping head；The elastic reset One end of part is connected in first card plane, and the other end is connected in second card plane.More specifically, the elasticity Return unit is a torsional spring in the present embodiment, and one end of torsional spring is located at below the first card plane, and the other end is located at the second card plane Lower section make second cam have the function of automatically reseting by the setting of torsional spring, strengthen the same of the stability of structure When, strengthen the simple type of operation.

Further, the body frame extends outward to form a body frame foreboard close to the two sides of one end of the handle respectively； The body frame foreboard is equipped with the bulb plunger for fixing the handle under unlocking condition far from the side of the body frame；Institute State the handle positioning that one is respectively equipped on the two sides of one end that the first cam is connect with the handle with bulb plunger cooperation Column.More specifically, both the first connecting plate and the second connecting plate extend outwardly close to one end of the handle and form a body frame Foreboard, bulb plunger are mounted on the side of the body frame foreboard far from the body frame, wherein the head of bulb plunger is a circle Shape steel ball, in order to which matched and handle positioning column can be moved smoothly between the upper and lower end of bulb plunger.More have Body, which can be straight pin.It is to be understood that bulb plunger also cry spring-loaded plunger or positioning bead/ Column is that spring is installed inside thread, makes its internal pearl pin setting precompression, the product of upper and lower stroke motion.It is applicable in In mechanical device, clamp tool, mold, automated machine etc..

Further, the lap device further includes having an external connection mechanism；The external connection mechanism includes One fixinig plate and the second fixinig plate；First fixinig plate is set to the side of the body frame, and connect with the body frame；Described Two fixinig plates are set to the side of first fixinig plate far from the body frame, and connect with first fixinig plate；Described first Fixinig plate and second fixinig plate middle side part close to each other are respectively equipped with an arc-shaped recess portion.Pass through arc-shaped recess portion Setting, makes the circular mounting slot that one Yu external connection are formd between the first fixinig plate and the second fixinig plate, is propped up with this outside Frame grips, and is convenient for and external connection.Further, the external connection mechanism includes a connection frame；The company It connects and is set up between first fixinig plate and the body frame, and connect respectively with first fixinig plate and the body frame；More For specifically, in the present embodiment, the connector assembly further includes having a screw；There are two the screw is set；Described first The 4th mounting hole for offering and passing through for screw is respectively corresponded on fixinig plate, the second fixinig plate and the connection frame；Described first The inside of connecting shaft and second connecting shaft offers threaded hole respectively, and it is fixed that two screws sequentially pass through second respectively Piece, the first fixinig plate and connection frame correspond to the 4th mounting hole that screw opens up, and the traversing through end of two screws is fixed respectively In the threaded hole of first connecting shaft and the second connecting shaft, external connection mechanism is fastened on the one of the body frame with this Side.

Based on the description above, further benefit is done to a kind of working principle of lap device involved by the utility model It fills；

It unlocks: the handle part in handle is rotated counterclockwise with the first connecting shaft to be axial, in handle rotation process, the One, which abuts convex block, is detached from the second upper end for abutting convex block, and the second cam is inverse in automatic rebounding effect the second connecting shaft of lower edge of torsional spring Hour hands rotation, until the upper surface of the second cam is mutually abutted with spring catch, bayonet is opened at this time, and first abuts in convex block The upper surface of first cam bearing surface and the second cam abuts against, both the first unlocking condition；Further, continue counterclockwise with Handle part in first connecting shaft rotational handle the upper surface of round steel ball and is limited in handle positioning column bulb plunger at this time To the lower surface of round steel ball, then makes handle and position, both the second unlocking condition；

It shuts: under the second unlocking condition, first rotating clockwise the handle part in handle along the first connecting shaft, at this time hand Handle positioning column is moved to the upper surface of round steel ball from the round steel ball lower surface of bulb plunger, is restored to as illustrated in the diagram One unlocking condition；Then pressing the second cam rotates clockwise the second cam along the second connecting shaft, until first abuts convex block It is abutted again with the second abutting convex block, the bayonet in the second cam and the recessed bayonet of body frame two sides be (in the present embodiment, i.e., at this time Recessed bayonet in first connecting plate and the second connecting plate) a closed circle is formd, shut state completion.

A kind of lap device, small in size involved in the utility model, transport and convenient storage, it is structurally reasonable, unlock with And shut convenient, while the effect that locks is good.

The utility model has also related to a kind of vehicle earth system, and the vehicle earth system includes scooter, wheel Wheel-chair and a kind of above-mentioned lap device；One is overlapped on by lap device described in this between the scooter and the wheel-chair It rises.More specifically, the scooter includes a pedal and the horizontal brace rod that connect with pedal；Wheel-chair includes two A vertical connecting rod, it is to be understood that wherein the one of this two vertical connecting rods composition wheelchair kickstand in the prior art Part；There are two lap device settings；Wherein, under overlap joint state, it is solid which passes through first, second respectively Arc-shaped recess portion between stator forms a circular mounting slot, this two vertical connecting rods are inserted in this two overlap joint dresses respectively In the circular mounting slot set, and fixed by the screw in lap device；The both ends point of horizontal brace rod in scooter simultaneously Not She Yu in the bayonet in the second cam in two lap devices, and under the state that shuts locking in bayonet and recessed card port shape At a closed circle in.You need to add is that when needing to unlock, referring to above-mentioned lap device unlocking step to this two Lap device is unlocked one by one, and horizontal brace rod is finally made to be detached from bayonet under unlocking condition.

A kind of vehicle earth system involved in the utility model, the vehicle earth system is due to using above-mentioned overlap joint Device connection；Connection and decomposition between car body (both scooter and wheel-chair) is more simple, while it is more firm to overlap effect Gu.

Detailed description of the invention

Fig. 1 is a kind of configuration schematic diagram of lap device involved by the utility model；

Fig. 2 shows for a kind of abutting state of the first cam and the second cam of lap device involved by the utility model It is intended to；

Fig. 3 is a kind of first unlocking condition schematic diagram of lap device involved by the utility model；

Fig. 4 is a kind of second unlocking condition schematic diagram of lap device involved in the utility model；

Fig. 5 shuts status diagram for a kind of lap device involved in the utility model；

Fig. 6 is a kind of connection schematic diagram of vehicle earth system involved in the utility model；

Fig. 7 is a kind of decomposition diagram of vehicle earth system involved in the utility model；

Fig. 8 is a kind of amplified decomposition diagram of overlap of vehicle earth system involved in the utility model.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can To be directly to another element or may be simultaneously present centering elements.

Attached drawing 1 to 5 is please referred to, is a preferred embodiment of the utility model, which is It is achieved, the utility model relates to a kind of lap device 10, which includes body frame 1, driving mechanism and lock Gu mechanism；The driving mechanism and the locked mechanism are set to the inside of the body frame 1, and the locked mechanism is set to the drive The side of motivation structure；More specifically, as shown, in the present invention, the body frame 1 includes 11 He of the first connecting plate The bottom of second connecting plate 12, first connecting plate 11 and the second connecting plate 12 is connected with each other, so that the first connecting plate 11 and the An installation through slot 17 is formed between two connecting plates 12；The driving mechanism is set at one end port inside the installation through slot 17；It drives Motivation structure is set in the installation through slot 17, and is set to the side of driving mechanism；

More specifically, as depicted in figs. 1 and 2, the driving mechanism includes one handle 21 and the first cam 22；It is described It includes a handle part 211 and an interconnecting piece 212 that handle 21 is whole, and it is convex that one end of the interconnecting piece 212 is connected to described first On one end of wheel 22, the other end is connect with the handle part 211, further, the described handle part 211, the interconnecting piece 212 With the whole integrated molding of first cam 22；

Further, the locked mechanism includes the second cam 31；Second cam 31 is set to first cam 22 one end far from the handle 21, and abutted against with first cam 22；Second cam 31 is convex far from described first One end of wheel 22 is equipped with a bayonet 311；The bayonet 311 is the one end of second cam 31 far from first cam 22 (right end of such as Fig. 1 and the second cam 31 shown in Figure 2) is towards its other end (such as Fig. 1 and the second cam 31 shown in Figure 2 Left end) recess formed an arc bayonet；More specifically, the first cam 22 is set on one end of second cam 31 There is one first abutting convex block 23；Second cam 31 is equipped with second close to one end of first cam 22 and abuts convex block 32；Under locking condition, the first abutting convex block 23 is connected to the described second upper end for abutting convex block 32；More specifically, First abuts convex block 23 and the integrated molding of the first cam 22, and first abuts convex block 23 by the first cam 22 close to second cam The top of 31 one end is extended to form towards inclination upward comprising has the first cam top surface 231 and the first cam bearing surface 232； The second abutting convex block 32 and second cam 31 are integrally machined molding, and described second abuts convex block 32 integrally by described the Two cams 31 extend outward to form in the middle part of one end of first cam 22 comprising have the second cam top surface 321 and the Two cam bearing surfaces 322；In the state of locking, the first abutting convex block 23 snaps over the described second upper end for abutting convex block 32, Both the first cam top surface 231 and one end of the second cam 31 abutted against；First cam bearing surface 232 abuts in convex block 32 with second The second cam top surface 321 abut against；Second cam bearing surface 322 is connected to 23 lower end surface of the first abutting convex block and the first cam The transition face formed between 22；Wherein, the second cam bearing surface 322 be arc bearing surface, first abut 23 lower end surface of convex block and The transition face formed between first cam 22 is the arc transiting surface for adapting to the second cam bearing surface 322, with this The first abutting convex block 23 and the second abutting convex block 32 is facilitated smoothly to move during unlocking and locking condition switching.More Specifically, described second abuts between the upper end and second cam 31 of convex block 32 also equipped with the first ladder section, second is convex The upper surface of wheel 31 is equipped with second-order bench, in order to judge the judgement of unlocking or locking condition in use.

Further, the clutch mechanism further includes having connector assembly；The connector assembly includes the first connection Axis 41 and the second connecting shaft 42；First cam 22 and the body frame 1 correspond to first connecting shaft 41 and offer first Mounting hole 51；First connecting shaft 41 sequentially passes through corresponding first peace on the body frame 1 and first cam 22 Hole 51 is filled, first cam 22 is mounted on to the inside of the body frame 1 with this；Second cam 31 and the body frame 1 are right Second connecting shaft 42 described in Ying Yu offers the second mounting hole 52；Second connecting shaft 42 sequentially passes through the body frame 1 and institute Corresponding second mounting hole 52 on the second cam 31 is stated, second cam 31 is mounted in the body frame 1 with this Portion；More specifically, in the present embodiment, i.e. the correspondence of the first connecting plate 11, the second connecting plate 12 and the first cam 22 and the One connecting shaft 41 offers the first mounting hole 51, and first connecting shaft 41 sequentially passes through the first connecting plate 11, the first cam 22 With the first mounting hole 51 on the second connecting plate 12, the first cam 22 is successively set to the first connecting plate 11 and the second mounting plate shape At installation through slot 17 in；It can similarly obtain, the first connecting plate 11, corresponding to for the second connecting plate 12 and the second cam 31 second connect Spindle 42 offers the second mounting hole 52, and second connecting shaft 42 sequentially passes through the first connecting plate 11, the second cam 31 and The second mounting hole 52 on two connecting plates 12 is formed the second cam 31 set on the first connecting plate 11 and the second mounting plate with this It installs in through slot 17；Further, first mounting hole 51 and the second mounting hole 52 correspond respectively to the first cam 22 and second The medium position of cam 31 opens up.

Further, the body frame 1 is respectively equipped with a recessed bayonet 13 on one end two sides of the bayonet 311.More Specifically, the recessed bayonet 13, in the present embodiment, both the first connecting plate 11 and the second connecting plate 12 were close to close to the bayonet 311 one end is recessed separately down forms an arc notch, and under locking condition, the cooperation of the arc notch and bayonet 311 will The locking of external connection bar tightly is in body frame 1.

Further, second cam 31 is equipped with a fixed column 14 close to the top of described first cam, 22 one end；Institute The both ends for stating fixed column 14 are separately fixed on the body frame 1.More specifically, the fixed column 14 is a spring catch, the bullet Spring pin is set to second cam 31 close to the top of described first cam, 22 one end, and the both ends of spring catch are respectively by first Third mounting hole 53 is offered on connecting plate 11 and the second connecting plate 12, to be mounted on body frame 1.Pass through setting for fixed column 14 It sets, rotation displacement of second cam 31 during unlocking, the stability of enhancing structure can be limited.

Further, the lower end of first cam 22 is equipped with the first card plane 221；Described second abuts under convex block 32 The second card plane 312 is formed between end face and second cam 31；The lap device 10 further includes having a dynamic clamping head and quiet clamping head 6；One end of the dynamic clamping head and quiet clamping head 6 is connected in first card plane 221, and the other end is connected to second card plane On 312.More specifically, which is in the present embodiment a torsional spring, and one end of torsional spring (is in the present embodiment a 61) end is located at 221 lower section of the first card plane, the other end (being in the present embodiment the end b 62) is located under the second card plane 312 Side, by the setting of torsional spring, makes second cam 31 have the function of automatically reseting, while strengthening the stability of structure, Strengthen the simple type of operation.

Further, before the body frame 1 extends outward to form a body frame close to the two sides of one end of the handle 21 respectively Plate 15；Side (as in figure 1 shown in the left side of body frame foreboard 15) of the body frame foreboard 15 far from the body frame 1 is equipped with For fixing the bulb plunger 16 of the handle 21 under unlocking condition；First cam 22 connect with the handle 21 one The handle positioning column 213 of one with the bulb plunger 16 cooperation are respectively equipped on the two sides at end.More specifically, in the present embodiment In, both the first connecting plate 11 and the second connecting plate 12 extended outwardly close to one end of the handle 21 and formed a body frame foreboard 15, bulb plunger 16 is mounted on side of the body frame foreboard 15 far from the body frame 1, wherein the head of bulb plunger 16 For a round steel ball 16, in order to matched and handle positioning column 213 can smoothly the upper and lower end of bulb plunger 16 it Between move.More specifically, which can be straight pin.It is to be understood that bulb plunger 16 is also spring Plunger or positioning bead/column, are that spring is installed inside thread, make its internal pearl & pin setting precompression, up and down The product of stroke motion.Suitable for mechanical device, clamp tool, mold, automated machine etc..

Further, the lap device 10 further includes having an external connection mechanism；The external connection mechanism includes First fixinig plate 71 and the second fixinig plate 72；First fixinig plate 71 be set to the body frame 1 side, and with the body frame 1 Connection；Second fixinig plate 72 is set to side of first fixinig plate 71 far from the body frame 1, and fixes with described first Piece 71 connects；It is recessed that first fixinig plate 71 and second fixinig plate 72 middle side part close to each other are respectively equipped with an arc Concave portion 73.By the setting in arc-shaped recess portion 73, make to form one and outside between the first fixinig plate 71 and the second fixinig plate 72 The circular mounting slot 75 of connection, grips outside support with this, is convenient for and external connection.Further, described outer Bindiny mechanism, portion includes a connection frame 74；The connection frame 74 is set between first fixinig plate 71 and the body frame 1, and It is connect respectively with first fixinig plate 71 and the body frame 1；More specifically, in the present embodiment, the connector assembly It further include having a screw 43；There are two the screw 43 is set；First fixinig plate 71, the second fixinig plate 72 and the connection frame The 4th mounting hole 54 for offering and passing through for screw 43 is respectively corresponded on 74；First connecting shaft 41 and second connecting shaft 42 inside offers threaded hole respectively, and two screws 43 sequentially pass through the second fixinig plate 72, the first fixinig plate 71 respectively Correspond to the 4th mounting hole 54 that opens up of screw 43 with connection frame 74, and the traversing through end of two screws 43 be separately fixed at it is described In the threaded hole of first connecting shaft 41 and the second connecting shaft 42, external connection mechanism is fastened on the one of the body frame 1 with this Side.

Based on the description above, a kind of working principle of lap device 10 involved by the utility model is done further Supplement；

It unlocks: the handle part 211 in handle 21 being rotated counterclockwise with the first connecting shaft 41 to be axial, is rotated in handle 21 In the process, first the upper end that convex block 23 is detached from the second abutting convex block 32 is abutted, the second cam 31 is acted in the automatic rebounding of torsional spring The second connecting shaft of lower edge 42 rotates counterclockwise, until the upper surface of the second cam 31 is mutually abutted with spring catch, bayonet 311 at this time It is opened, the upper surface of the first cam bearing surface 232 and the second cam 31 in the first abutting convex block 23 abuts against, as Fig. 3 shows The first unlocking condition out；Further, continue counterclockwise with the handle part 211 in 41 rotational handle 21 of the first connecting shaft, The upper surface of round steel ball 16 and it is limited the lower surface of round steel ball 16 in 213 bulb plunger 16 of handle positioning column at this time, Then make handle 21 and position, the second unlocking condition as shown in Figure 4；

It shuts: under the second unlocking condition shown in figure, first by the handle part 211 in handle 21 along the first connecting shaft 41 It rotates clockwise, handle positioning column 213 is moved to round steel ball 161 from 161 lower surface of round steel ball of bulb plunger 16 at this time Upper surface, be restored to the first unlocking condition as illustrated in the diagram；Then pressing the second cam 31 makes the second cam 31 along second Connecting shaft 42 rotates clockwise, until the first abutting convex block 23 and the second abutting convex block 32 abut again, the second cam 31 at this time In 1 two sides of bayonet 311 and body frame recessed bayonet 13 (in the present embodiment, i.e., in the first connecting plate 11 and the second connecting plate 12 Recessed bayonet 13) form a closed circle, shut state completion, it is as shown in Figure 5 to shut state at this time.

A kind of lap device 10, small in size involved in the utility model, transport and convenient storage, structurally reasonable, unlocks And shut convenient, while the effect that locks is good.

The utility model has also related to a kind of vehicle earth system, please refers to Fig. 6 to Fig. 8, the vehicle earth system It include scooter, wheel-chair and a kind of above-mentioned lap device 10；Pass through the institute between the scooter and the wheel-chair Lap device 10 is stated to overlap.More specifically, in a specific embodiment, the scooter includes a pedal The horizontal brace rod being connect with one with pedal；Wheel-chair includes there are two vertical connecting rod, it is to be understood that this two vertical A portion of connecting rod composition wheelchair kickstand in the prior art；There are two the lap device 10 settings；Wherein, it is taking It connects under state, which forms one by the arc-shaped recess portion 73 between the first, second fixinig plate 72 respectively Circular mounting slot 75, this two vertical connecting rods are inserted in respectively in the circular mounting slot 75 of two lap devices 10, and are led to The screw 43 crossed in lap device 10 is fixed；The both ends of the horizontal brace rod in scooter are respectively arranged on this two overlap joint dresses simultaneously It sets in the bayonet 311 in the second cam 31 in 10, and one formed in bayonet 311 and recessed bayonet 13 that locks under the state that shuts In closed circle.You need to add is that being overlapped referring to the unlocking step of above-mentioned lap device 10 to this two when needing to unlock Device 10 is unlocked one by one, and horizontal brace rod is finally made to be detached from bayonet 311 under unlocking condition.

A kind of vehicle earth system involved in the utility model, the vehicle earth system is due to using above-mentioned overlap joint Device 10 connects；Connection and decomposition between car body (scooter and wheel-chair) is more simple, while it is more firm to overlap effect Gu.

The foregoing is merely the utility model preferred embodiment, structure is not limited to the above-mentioned shape enumerated, Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in this reality Within novel protection scope.

Claims (10)

1. a kind of lap device, it is characterised in that: the lap device includes body frame, driving mechanism and locked mechanism；Institute It states driving mechanism and the locked mechanism is set to the inside of the body frame, and the locked mechanism is set to the one of the driving mechanism Side；

Wherein, the driving mechanism includes handle and the first cam；The handle is set to above one end of first cam, And it is connect with first cam；

The locked mechanism includes the second cam；Second cam is set to one of first cam far from the handle End, and abutted against with first cam；Second cam is equipped with a bayonet far from one end of first cam.

2. a kind of lap device according to claim 1, it is characterised in that: the clutch mechanism further includes having connector total At；The connector assembly includes the first connecting shaft and the second connecting shaft；First cam and the body frame correspond to institute It states the first connecting shaft and offers the first mounting hole；First connecting shaft sequentially passes through right on the body frame and first cam First cam, the inside of the body frame is mounted on this by first mounting hole answered；Second cam and described Body frame corresponds to second connecting shaft and offers the second mounting hole；Second connecting shaft sequentially passes through the body frame and described Second cam, the inside of the body frame is mounted on this by corresponding second mounting hole on second cam.

3. a kind of lap device according to claim 1, it is characterised in that: first cam is close to second cam One end is equipped with first and abuts convex block；Second cam is equipped with second close to one end of first cam and abuts convex block； The first abutting convex block is connected to the described second upper end for abutting convex block.

4. a kind of lap device according to claim 3, it is characterised in that: the lower end of first cam is equipped with the first detent Face；The second card plane is formed between the lower end surface and second cam of the second abutting convex block；The lap device also wraps A dynamic clamping head and quiet clamping head is included；One end of the dynamic clamping head and quiet clamping head is connected in first card plane, and the other end is connected to described In second card plane.

5. a kind of lap device according to claim 1, it is characterised in that: the body frame is close to one end two sides of the bayonet On be respectively equipped with a recessed bayonet.

6. a kind of lap device according to claim 1, it is characterised in that: second cam is close to first cam one The top at end is equipped with a fixed column；The both ends of the fixed column are separately fixed on the body frame.

7. a kind of lap device according to claim 1, it is characterised in that: the body frame close to one end of the handle two Side extends outward to form a body frame foreboard respectively；The body frame foreboard is equipped with far from the side of the body frame in unlocking shape The bulb plunger of the handle is fixed under state；First cam connect on the two sides of one end with the handle be respectively equipped with one with The handle positioning column of the bulb plunger cooperation.

8. a kind of lap device according to claim 1, it is characterised in that: the lap device further includes having an external connection Mechanism；The external connection mechanism includes the first fixinig plate and the second fixinig plate；First fixinig plate is set to the body frame Side, and connect with the body frame；Second fixinig plate is set to the side of first fixinig plate far from the body frame, and It is connect with first fixinig plate；First fixinig plate and second fixinig plate middle side part close to each other are respectively equipped with One arc-shaped recess portion.

9. a kind of lap device according to claim 8, it is characterised in that: the external connection mechanism includes a connection Frame；The connection frame be set between first fixinig plate and the body frame, and respectively with first fixinig plate and the master Frame connection.

10. a kind of vehicle earth system, it is characterised in that: the vehicle earth system includes scooter, wheel-chair and above-mentioned Lap device in any one of claim 1 to 9；The scooter and the wheel-chair are overlapped on one by the lap device It rises.