阅读说明：本技术 方便过弯的前单轮物流车 (Facilitated curved preceding single-wheel logistic car ) 是由 王国富 于 2019-09-23 设计创作，主要内容包括：一种方便过弯的前单轮物流车,包括设有一个前轮的前车架和设有后轮的后车架,所述后车架上固定安装有转动轴,所述前车架上设有转动套设于转动轴外的转动部；所述转动部内固定安装有导向部,所述导向部内沿转动轴轴向滑动连接有插销,所述转动轴上固定安装有插接部,所述插接部上开设有供插销插入的插孔,所述插销一端设有用于驱动插销沿其轴向运动的锁定机构,所述插接部两侧均设有固定连接于转动轴的抵接块,所述转动部内壁固定连接有用于限位抵接块相对转动部运动的限位块,每块所述抵接块对应至少一块限位块。在限位块和抵接块的配合下,前车架可相对后车架的摇摆角度有限,进而使该物流车摇摆时不易由于摇摆角度过大而导致车身侧翻,使驾驶者倒地,提高了驾驶的安全性。(It is a kind of to facilitate curved preceding single-wheel logistic car, including being equipped with the front frame of front-wheel and equipped with the Rear frame of rear-wheel, it is fixedly installed with rotation axis in the Rear frame, the front frame is equipped with the rotation section that turning set is set to outside rotation axis；Guide part is fixedly installed in the rotation section, bolt has been in axial sliding connection along rotation axis in the guide part, plug division is fixedly installed in the rotation axis, the jack for bolt insertion is offered on the plug division, described bolt one end is equipped with the locking mechanism for driving bolt to be axially moved along it, the plug division two sides are equipped with the abutting block for being fixedly connected on rotation axis, the rotation section inner wall is fixedly connected with for limiting the limited block for abutting the movement of block relative rotation portion, the corresponding at least one piece of limited block of every piece of abutting block.Under the cooperation of limited block and abutting block, front frame can be limited with respect to the swing angle of Rear frame, and then the logistic car is made to be not easy to cause vehicle body to be turned on one's side since swing angle is excessive when waving, and so that driver is fallen down to the ground, improves the safety of driving.)

1. a kind of facilitated curved preceding single-wheel logistic car, including being equipped with the front frame (3) an of front-wheel (4) and being equipped with rear-wheel (9) Rear frame (8), it is characterized in that: being fixedly installed with rotation axis (11) in the Rear frame (8), the front frame (3) is equipped with Turning set is set to the rotation section (12) of rotation axis (11) outside；It is fixedly installed with guide part (26) in the rotation section (12), it is described It has been in axial sliding connection bolt (25) in guide part (26) along rotation axis (11), has been fixedly installed with grafting on the rotation axis (11) Portion (24) offers the jack (27) for bolt (25) insertion on the plug division (24), and described bolt (25) one end, which is equipped with, to be used In the locking mechanism that driving bolt (25) is axially moved along it, plug division (24) two sides, which are equipped with, is fixedly connected on rotation axis (11) abutting block (15), rotation section (12) inner wall are fixedly connected with for limiting block (15) the relative rotation portion (12) of abutting The limited block (14) of movement, the corresponding at least one piece of limited block (14) of every piece of abutting block (15).

2. according to claim 1 facilitated curved preceding single-wheel logistic car, it is characterized in that: when the abutting block (15) abuts When limited block (14), the abutting block (15) and limited block (14) are in plane-plane contact.

3. according to claim 2 facilitated curved preceding single-wheel logistic car, it is characterized in that: the abutting block (15) and grafting Reinforcing rib (30) are equipped between portion (24), the reinforcing rib (30), which is fixedly connected on, abuts block (15) and plug division (24).

4. according to claim 3 facilitated curved preceding single-wheel logistic car, it is characterized in that: the abutting block (15) is close to limit Plane locating for the side wall of position block (14) side and limited block (14) are close to the angle abutted between plane locating for the side wall of block (15) side It is that logistic car front-wheel (4) wheel is wide less than arctan [B/ (2*h)], B, h is that the mass center at front frame (3) corresponding logistic car position is high Degree.

5. according to claim 4 facilitated curved preceding single-wheel logistic car, it is characterized in that: the abutting block (15) is close to limit Plane locating for the side wall of position block (14) side and limited block (14) are close to the angle abutted between plane locating for the side wall of block (15) side It is 18 °.

6. according to claim 4 facilitated curved preceding single-wheel logistic car, it is characterized in that: the limited block (14) and rotation Portion (12) is in be detachably connected.

7. according to claim 6 facilitated curved preceding single-wheel logistic car, it is characterized in that: the rotation axis (11) outer wall edge It is circumferentially with several abutting parts (17), forms accommodating chamber (18) between two adjacent abutting parts (17), the accommodating chamber (18) elastic damping part (19) are equipped in, and the elastic damping part (19) is connected to accommodating chamber (18) inner wall, the elasticity resistance Damping member (19) is fixedly connected on rotation section (12).

8. according to claim 7 facilitated curved preceding single-wheel logistic car, it is characterized in that: being arranged outside the rotation axis (11) Have the first connector sleeve (23), all abutting parts (17) be fixedly connected in the first connector sleeve (23) and with the first connector sleeve (23) it is integrally formed, first connector sleeve (23) and rotation axis (11) are in circumferential limit.

9. according to claim 8 facilitated curved preceding single-wheel logistic car, it is characterized in that: being arranged outside the rotation axis (11) Have the second connector sleeve (28), the plug division (24) be fixedly connected on the second connector sleeve (28) and with the second connector sleeve (28) one Molding, second connector sleeve (28) and rotation axis (11) are in circumferential limit.

10. according to claim 9 facilitated curved preceding single-wheel logistic car, it is characterized in that: the rotation axis (11) includes It is equipped in polished rod portion (21) and spline part (22), first connector sleeve (23) and the second connector sleeve (28) and spline part (22) The internal spline of cooperation.

Technical field

The present invention relates to logistic car technical fields, and in particular to facilitated curved preceding single-wheel logistic car.

Background technique

Currently, short distance small cargo uses manpower or electro-tricycle as the vehicles mostly, and it is widely used In the vehicle frame of tricycle, front-wheel frame body and rear-wheel frame body are fixed together, so that being easy to overturn when riding.Gu Shi Occurring some fronts of the car on face can be with respect to the tricycle that rear is waved.

Front frame, vehicle seat and front-wheel part can tilt in the case where two rear-wheel normally travels, substantially increase three A possibility that taking turns the manipulation comfort of vehicle, while tricycle turning rollover can be reduced.But when front frame opposing rear wheels frame is swung, Swing angle purely relies on driver's body inclination to operate, and when swing angle is excessive, front frame is easy the bad operation of rollover.

Summary of the invention

In view of the deficiencies of the prior art, the present invention intends to provide a kind of to facilitate curved preceding single-wheel logistics Vehicle, front frame can be waved with respect to Rear frame and swing angle is limited, and reducing driver and front frame over-tilting leads to logistics The probability of vehicle rollover.

To achieve the above object, the present invention provides the following technical scheme that

It is a kind of to facilitate curved preceding single-wheel logistic car, including being equipped with the front frame an of front-wheel and equipped with the Rear frame of rear-wheel, institute It states and is fixedly installed with rotation axis in Rear frame, the front frame is equipped with the rotation section that turning set is set to outside rotation axis；Described turn Guide part is fixedly installed in dynamic portion, the guide part is interior to be in axial sliding connection bolt along rotation axis, consolidates in the rotation axis Dingan County is equipped with plug division, and the jack for bolt insertion is offered on the plug division, and described bolt one end is equipped with slotting for driving The locking mechanism being axially moved along it is sold, the plug division two sides are equipped with the abutting block for being fixedly connected on rotation axis, and described turn Dynamic portion's inner wall is fixedly connected with for limiting the limited block for abutting the movement of block relative rotation portion, and every piece of abutting block is corresponding at least One piece of limited block.

By using above-mentioned technical proposal, in initial setting, bolt is not inserted into jack, and rotation section can relatively rotate axis Rotation, and then make driver when driving that can change the center of gravity of front frame by body rocking, shake front frame with respect to Rear frame Pendulum.During front frame is waved, rotation section relatively rotates axis rotation, and limited block relatively rotates axis movement until it is connected to Block is abutted, abutting block has a limit power to limited block, makes rotation section that can not relatively rotate axis rotation in the direction again.Limiting Under the cooperation of block and abutting block, front frame can be limited with respect to the swing angle of Rear frame, and then is not easy the logistic car when waving Cause vehicle body to be turned on one's side since swing angle is excessive, driver is made to fall down to the ground, improves the safety of driving.

If the uncomfortable front frame of driver is waved, it can drive bolt along its axial movement by locking mechanism, insert bolt Enter in jack.At this time under the cooperation of bolt and jack, rotation axis and rotation section are in circumferentially fixed, front frame and Rear frame at this time Keep relatively fixed, it is identical as traditional tricycle.The tricycle can be made more to meet the driving habit of different people.In parking, Front frame and Rear frame can be made relatively fixed, keep front frame more stable, and then make driver that can more easily get off.

The further setting of the present invention are as follows: when the abutting block is connected to limited block, the abutting block and limited block are in Plane-plane contact.

By using above-mentioned technical proposal, thus reduce limited block with abut block abut when both contact surface bear pressure By force, the probability for abutting block and limited block stress deformation is reduced, abutting block in rocking process is reduced and becomes due to excessive load Shape causes front frame that can improve safety with respect to the probability that Rear frame is excessively waved.

The further setting of the present invention are as follows: reinforcing rib is equipped between abutting block and the plug division, the reinforcing rib is fixed It is connected to and abuts block and plug division.

By using above-mentioned technical proposal, it reduces and abuts block in rocking process and deformed due to excessive load, before causing Vehicle frame can improve safety with respect to the probability that Rear frame is excessively waved.

The further setting of the present invention are as follows: abutting block plane and limited block locating for the side wall of limited block side is close The angle abutted between plane locating for the side wall of block side is less than arctan [B/ (2*h)], and B is that logistic car front-wheel wheel is wide, and h is front truck The height of center of mass at the corresponding logistic car position of frame.

By using above-mentioned technical proposal, since the center of gravity in front truck portion is generally greater than rear car portion, and front truck portion only has single-wheel There is two-wheel in rear car portion, and the rollover angle of logistic car is calculated using the data, it can be ensured that when front frame is waved with respect to Rear frame, object Stream vehicle vehicle, which will not turn on one's side, causes safety accident.

The further setting of the present invention are as follows: abutting block plane and limited block locating for the side wall of limited block side is close The angle abutted between plane locating for the side wall of block side is 18 °.

It by using above-mentioned technical proposal, sets one meter nine of driver's height and is seated on the logistic car, if in parking Fix front frame and Rear frame, front frame waves the angle with respect to Rear frame, and logistic car vehicle, which is still in, stablizes shape State will not turn on one's side.Front frame can also be swung back the state of parallel Rear frame by waving for own bodies by driver simultaneously, no It needs to support ground using foot, improves safety.

The further setting of the present invention are as follows: the limited block and rotation section are in being detachably connected.

By using above-mentioned technical proposal, can according to the height of practical driver, weight, commonly use driving sitting position and driven to determine The person of sailing takes the mass center of logistic car front of the car after the logistic car, limit block size is replaced according to centroid position, and then before adjusting The maximum rocking tendency of vehicle frame possesses the logistic car preferably man-machine, meets the driving habit of driver.

The further setting of the present invention are as follows: the rotation axis outer wall is circumferentially with several abutting parts along it, and two adjacent Accommodating chamber is formed between abutting part, is equipped with elastic damping part in the accommodating chamber, and the elastic damping part is connected to accommodating chamber Inner wall, the elastic damping part are fixedly connected on rotation section.

By using above-mentioned technical proposal, during front frame is swung with respect to Rear frame, rotation section relatively rotates axis Rotation, elastic damping part receives motive force tangentially at this time, and elastic damping part is made to accumulate elastic potential energy.And then it is needed in driver Itself need to be only ajusted when returning positive front frame, rotation section relatively rotates axis rotation, return under the elastic potential energy of elastic damping part To the position for being parallel to Rear frame, keep driving experience sense more preferable.Bolt alignment receptacles can also more accurately be made simultaneously, facilitate front truck Frame is fixed and can be waved with respect to Rear frame in opposite Rear frame to be switched between two states.

The further setting of the present invention are as follows: the rotation outer shaft sleeve is equipped with the first connector sleeve, and all abutting parts are solid Surely it is connected to the first connector sleeve and is integrally formed with the first connector sleeve, first connector sleeve and rotation axis are in circumferential limit.

By using above-mentioned technical proposal, in processing, abutting part and the first connector sleeve can integrated milling or casting and forming, Process time spent by assembly or single processing is reduced, processing efficiency is improved.

The further setting of the present invention are as follows: the rotation outer shaft sleeve is equipped with the second connector sleeve, and the plug division is fixedly connected It is integrally formed in the second connector sleeve and with the second connector sleeve, second connector sleeve and rotation axis are in circumferential limit.

By using above-mentioned technical proposal, in processing, plug division and the second connector sleeve can integrated milling or casting and forming, Process time spent by assembly or single processing is reduced, processing efficiency is improved.

The further setting of the present invention are as follows: the rotation axis includes polished rod portion and spline part, first connector sleeve and The internal spline with spline part cooperation is equipped in two connector sleeves.

It is by spline connection that rotation axis, the first connector sleeve and the second connector sleeve is circumferential by using above-mentioned technical proposal It is fixed together, to reduce difficulty of processing.

The invention has the following advantages that 1, front frame can be swung with respect to Rear frame, the minimum turning half of tricycle is reduced Diameter makes the turning that tricycle can be more flexible；2, front frame is reduced with respect to the full swing angle of Rear frame according to man-machine setting Front frame excessively waves the probability for causing logistic car to be turned on one's side；3, after waving, front frame can self-aligning to parallel Rear frame State makes tricycle that can be more convenient to manipulate；4, the front frame of tricycle can be fixed in opposite Rear frame and opposite Rear frame is waved It is adjusted in two kinds of operating conditions, the driver suitable for a variety of driving habits.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment one；

Fig. 2 is rotation axis in embodiment one and the structural schematic diagram at rotation section；

Fig. 3 is rotation axis in embodiment one and the cross-sectional view at rotation section；

Fig. 4 is rotation axis in embodiment two and the cross-sectional view at rotation section；

Fig. 5 is rotation axis in embodiment three and the structural schematic diagram at rotation section；

Fig. 6 is the cross-sectional view in embodiment three at elastic damping piece；

Fig. 7 is the structural schematic diagram in example IV at locking mechanism；

Fig. 8 is the enlarged drawing in Fig. 7 at A；

Fig. 9 is rotation axis in example IV and the cross-sectional view at rotation section；

Figure 10 is the structural schematic diagram in embodiment five at snubber elastomeric part；

Figure 11 is rotation axis in embodiment six and the structural schematic diagram at rotation section；

Figure 12 is the structural schematic diagram in embodiment six at rotating circular disc；

Figure 13 is the enlarged drawing in Figure 12 at C；

Figure 14 is the structural schematic diagram in embodiment six at first swing arm；

Figure 15 is the structural schematic diagram of rotation section in embodiment six, rotation axis and bracing wire；

Figure 16 is the structural schematic diagram of embodiment six；

Figure 17 is the enlarged drawing in Figure 16 at B.

Appended drawing reference: 1, front truck portion；2, rear car portion；3, front frame；4, front-wheel；5, front of the car；6, handle；7, seat；8, Rear frame；9, rear-wheel；10, rear；11, rotation axis；12, rotation section；13, bearing；14, limited block；15, block is abutted；16, it sinks Hook bolt；17, abutting part；18, accommodating chamber；19, elastic damping part；20, convex block；21, polished rod portion；22, spline part；23, first Connector sleeve；24, plug division；25, bolt；26, guide part；27, jack；28, the second connector sleeve；29, attached set is hidden；30, reinforcing rib； 31, interlocking bar；32, middle part；33, actuator；34, limit shaft；35, limit base；36, the first compensating tank；37, first rotating shaft； 38, extension board；39, the second shaft；40, follower；41, link block；42, snubber elastomeric part；43, guiding axis；44, swing arm set Part；45, driving mechanism；46, mounting base；47, bolt is installed；48, rotating circular disc；49, the second compensating tank；50, sliding slot；51, turn Dynamic slot；52, holding tank；53, the first swing arm；54, the second swing arm；55, connecting shaft；56, bracing wire；57, return spring；58, turnover panel； 59, third compensating tank.

Specific embodiment

Referring to attached drawing, the present invention will be further described.