CN112721873B - Manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device - Google Patents
Manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device Download PDFInfo
- Publication number
- CN112721873B CN112721873B CN202011599856.7A CN202011599856A CN112721873B CN 112721873 B CN112721873 B CN 112721873B CN 202011599856 A CN202011599856 A CN 202011599856A CN 112721873 B CN112721873 B CN 112721873B
- Authority
- CN
- China
- Prior art keywords
- wheel
- driving gear
- gear
- worm
- shaft
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
- B60S9/205—Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams
- B60S9/21—Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams comprising a rotatably driven auxiliary wheel or endless track, e.g. driven by ground wheel
- B60S9/215—Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams comprising a rotatably driven auxiliary wheel or endless track, e.g. driven by ground wheel driven by an auxiliary motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/14—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for both lifting and manoeuvring
- B60S9/205—Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a manual and electric dual-purpose worm and gear pipeline type control automobile transverse moving device, which comprises a fixed frame; the gear driving mechanism comprises a rotating shaft, a worm gear, a first driving gear, a second driving gear and a clutch; the worm wheel control mechanism comprises a mounting shaft, a worm, a control rod and a motor; a clutch operating mechanism including a compression spring, a handle, and an operating wire; and a wheel set mechanism. The opening, closing and lateral movement of the lateral movement device can be achieved by operating the turbine operating mechanism and the clutch operating mechanism. The transverse moving device can be arranged on the automobile base to assist the automobile to transversely move to a parking space, so that the convenience of automobile parking or position moving is improved, and the problems of difficult automobile parking and tire abrasion are solved; in addition, the transverse moving device has two operation modes of manual operation and electric operation, has strong universality, can save manpower by adopting electric driving, and can be used when an automobile power supply is fed by adopting manual and electric driving.
Description
Technical Field
The invention relates to the technical field of carrying mobile equipment, in particular to a manual and electric dual-purpose worm and gear pipeline type control automobile transverse moving device.
Background
The carrying mobile equipment, such as cars, carriers and other vehicles, can be used for commuting and transportation, and bring great convenience to the life of people. However, the existing carrier mobile device has the following problems: when the vehicle is parked laterally, a driver needs to drive the vehicle to the lateral front of the parking space and then reverse the vehicle, so that the vehicle is difficult to park and consumes more time, and the vehicle is very inconvenient to operate especially under the condition of small parking space. In addition, there is some wear on the tire.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a manual and electric dual-purpose worm gear pipeline type control automobile transverse moving device.
In order to achieve the above object, the present invention provides the following technical solutions:
a manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device comprises:
the fixing frame is provided with a first side wall, a second side wall, a first connecting rod and a second connecting rod, wherein the first side wall and the second side wall are arranged in a front-back opposite mode;
The gear driving mechanism comprises a rotating shaft, a worm gear, a first driving gear, a second driving gear and a clutch; the rotating shaft is arranged between the first side wall and the second side wall; the worm wheel is rotatably arranged on the rotating shaft; the first driving gear and the second driving gear are respectively arranged at the front side and the rear side of the worm wheel and are rotatably sleeved on the rotating shaft; the clutch can be movably arranged on the worm wheel back and forth and is used for controlling the worm wheel to switch among three states of synchronous rotation with the first driving gear, staggering with the first driving gear and the second driving gear and synchronous rotation with the second driving gear;
The worm wheel control mechanism comprises a mounting shaft, a worm, a control rod and a motor; the mounting shaft is provided with a first end and a second end, the first end penetrates through the first connecting rod, and the second end is mounted on the second connecting rod; the worm is fixedly arranged on the mounting shaft and meshed with the worm wheel, and one end of the operating rod is arranged on the mounting shaft and used for driving the mounting shaft to rotate; the motor is arranged on the fixed frame and positioned on one side of the worm wheel, and drives the installation shaft to rotate;
A clutch operating mechanism including a compression spring, a handle, and an operating wire; the compression spring is abutted between the second driving gear and the clutch; the handle is sleeved at the upper end of the operating rod in a vertically sliding way, the operating wire penetrates through the operating rod, one end of the operating wire is connected with the poking piece, the other end of the operating wire is connected with the handle, and the operating wire is driven by lifting of the handle to enable the clutch to move back and forth, so that the turbine is controlled to switch between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear;
The wheel set mechanism comprises a first rotating shaft, a first swing rod, a first wheel shaft, a second rotating shaft, a second swing rod, a second wheel shaft and a wheel shaft connecting rod; the first rotating shaft is rotatably arranged on one side of the fixing frame, a first chain wheel and a second chain wheel are fixedly arranged on the first rotating shaft, and the first chain wheel is in transmission connection with the first driving gear through a first chain; two ends of the first swing rod are respectively connected with the first rotating shaft and the first wheel shaft; the front end and the rear end of the first wheel shaft are respectively provided with a first travelling wheel, the first wheel shaft is fixedly provided with a third sprocket, and the third sprocket is in transmission connection with the second sprocket through a second chain; the second rotating shaft is rotatably arranged on the other side of the fixed frame, the front end and the rear end of the second wheel shaft are provided with second travelling wheels, a fourth chain wheel is fixedly arranged on the second wheel shaft, and the fourth chain wheel is in transmission connection with the second driving gear through a third chain; the two ends of the second swing rod are respectively connected with the second rotating shaft and the second wheel shaft, and the wheel shaft connecting rod of the second swing rod is connected with the first wheel shaft and the second wheel shaft.
As a preferable scheme, the clutch is characterized by comprising a first disc body, a second disc body and a disc body connecting rod; the first disk body is arranged between the worm wheel and the first driving gear, a first gear ring matched with the first driving gear is arranged on the first disk body, and a second gear ring matched with the first gear ring is arranged on the first driving gear; the second disc body is arranged between the worm wheel and the second driving gear, a third gear ring matched with the second driving gear is arranged on the second disc body, and a fourth gear ring matched with the third gear ring is arranged on the second driving gear; the disc connecting rod can pass through the worm wheel in a front-back sliding way, and two ends of the disc connecting rod are respectively connected with the first disc body and the second disc body.
As a preferable scheme, the toggle piece is characterized by comprising a main body part, a first extension arm and a second extension arm which are respectively arranged at the front side and the rear side of the main body part; the main body part is provided with a first limit groove matched with the first disc body and a second limit groove matched with the second disc body; the first extension arm is sleeved with the rotating shaft and is positioned at the front side of the first driving gear, a fifth gear ring is arranged at the rear side of the first extension arm, and a sixth gear ring matched with the fifth gear ring is arranged on the first driving gear; the first extension arm is sleeved with the rotating shaft and is positioned at the rear side of the second driving gear, a seventh gear ring is arranged at the front side of the first extension arm, and an eighth gear ring matched with the seventh gear ring is arranged on the second driving gear.
As a preferred solution, the lever comprises a sleeve, a mounting seat and a mounting shaft; the two mounting seats are arranged at the lower end of the sleeve at intervals, and the worm is arranged between the two mounting seats; the installation shaft penetrates through the first installation seat, the worm and the second installation seat, and two ends of the installation shaft are respectively connected with the first connecting rod and the second connecting rod.
As a preferable scheme, one mounting seat comprises a seat body, a ratchet wheel, a pawl, a first coil spring and a second coil spring which are arranged in the seat body; the ratchet wheel is fixed with one end of the worm wheel; the pawl is arranged in the base body in a swinging way through a ratchet shaft and is positioned on the ratchet wheel, the pawl is provided with a first side and a second side which are symmetrically arranged, one end of the first side, which is close to the ratchet wheel, is provided with a first ratchet for pushing the ratchet wheel to rotate in the positive direction, and one end of the second side, which is close to the ratchet wheel, is provided with a second ratchet for pushing the ratchet wheel to rotate in the opposite direction; the first coil spring abuts a first side of the pawl and the second coil spring abuts a second side of the pawl.
As a preferable scheme, a first protruding part is arranged at one end of the first side of the pawl far away from the ratchet wheel, a second protruding part is arranged at one end of the second side of the pawl far away from the ratchet wheel, and an included angle is formed between the first protruding part and the second protruding part; the first coil spring is abutted against the first protruding part, and the second coil spring is abutted against the second protruding part; the control rod further comprises a rotating rod rotatably arranged on the sleeve, a deflector rod is fixedly arranged at the lower end of the control rod, and the deflector rod stretches into the first mounting seat and abuts against the pawl to push the pawl to rotate.
As a preferable scheme, the two mounting seats are of symmetrical structures, the first extension parts of the two pawls are connected, and the second extension parts of the two pawls are connected.
As a preferable scheme, the handle is provided with a control wire connecting rod, a sliding piece, a reed and a return spring; the two ends of the control wire connecting rod are respectively fixed with the handle and the control wire connecting rod; the sliding piece is sleeved with the control wire connecting rod in a sliding manner; the spring comprises a ring and a plurality of spring plates connected with the ring. The ring is sleeved with the control wire connecting rod and is positioned at one side of the sliding piece far away from the control wire, and the plurality of elastic sheets are connected with the ring and are bent outwards; a spring plate limiting groove corresponding to the spring plate is clamped on the side wall of the rotating rod; the reset spring is sleeved with the control wire connecting rod, and two ends of the reset spring are respectively abutted against the handle and the girdle.
As a preferred scheme, the clutch operating mechanism further comprises a wire sleeve, one end of the wire sleeve is connected with the lower end of the rotating rod, the other end of the wire sleeve is arranged on the second side wall through a fixing frame, and the operating wire passes through the wire sleeve.
As a preferable mode, a first end of the mounting shaft is provided with a first belt wheel; the motor is provided with a rotating shaft, a second belt wheel is fixedly arranged on the rotating shaft, the second belt wheel is positioned below the first belt wheel, the diameter of the second belt wheel is smaller than that of the first belt wheel, and the first belt wheel and the second belt wheel are driven by a synchronous belt.
Compared with the prior art, the invention has the following beneficial effects:
1. The manual and electric dual-purpose worm and gear pipeline type control automobile transverse moving device can be arranged on the automobile base to assist the automobile to transversely move to a parking position, is simple in operation mode, can improve convenience in parking or moving the automobile, and solves the problems of difficult parking and tire abrasion;
2. the worm wheel control mechanism and the clutch control mechanism are integrated on one control rod, so that the structure is compact, and the occupied space is small;
3. The first extension arm is sleeved with the rotating shaft and is positioned at the rear side of the second gear, a seventh gear ring is arranged at the front side of the first extension arm, and an eighth gear ring matched with the seventh gear ring is arranged on the second driving gear; when the second worm wheel is synchronous with the second driving gear, the seventh gear ring and the eighth gear ring are staggered, namely, the fifth gear ring and the sixth gear ring are meshed at the same time, so that the first driving gear is prevented from sliding, namely, the transverse moving device is controlled not to move horizontally during lifting and moving, and the stability and the safety of the mechanism are further ensured;
4. The installation box and the worm wheel are driven by a pawl ratchet mode, so that the rotation direction of the worm wheel can be limited, and the safety is high;
5. The electric control device can be controlled and operated in two modes of electric operation, an operator can select the electric control device independently, the universality is strong, the electric drive is adopted, the manpower can be saved, and the manual electric drive is adopted to be used when the power supply of the automobile is fed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device;
FIG. 2 is a bottom view of a manual and electric dual-purpose worm gear pipeline type control automobile lateral movement device according to the invention;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along B-B of FIG. 4;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4;
FIG. 7 is a cross-sectional view taken along line D-D of FIG. 4 (with the pawl and ratchet not engaged);
FIG. 8 is a cross-sectional view taken along D-D of FIG. 4 (in a first ratchet abutting ratchet state);
FIG. 9 is a cross-sectional view taken along D-D of FIG. 4 (in a second ratchet abutting ratchet state);
FIG. 10 is a cross-sectional view taken along E-E of FIG. 4;
FIG. 11 is a cross-sectional view of the handle in a depressed state;
FIG. 12 is a cross-sectional view of the handle in a raised condition;
FIG. 13 is a cross-sectional view taken along line F-F of FIG. 12;
FIG. 14 is a cross-sectional view taken along G-G of FIG. 12;
FIG. 15 is a schematic illustration of the worm gear synchronizing with the first drive gear;
FIG. 16 is a schematic illustration of the worm gear synchronizing with the second drive gear;
FIG. 17 is a perspective view of the manual and electric dual-purpose worm gear and worm pipeline control vehicle lateral movement device in the retracted state;
In the figure:
a fixing frame-1; a first sidewall-11; a second side wall 12; a first link-13; a second link-14;
a gear driving mechanism-2; a turbine-21; a first drive gear-22; a second drive gear-23; a clutch-24; a first disk body-241; a tray body connecting rod-242; a second tray-243; a rotating shaft-25;
Turbine steering mechanism-3; a sleeve-31; a mounting base-33; a base-331; pawl-332; first protrusion-3321; second protrusion-3322; first ratchet teeth-3323; second ratchet teeth-3324; a first coil spring-333; a second coil spring-334; ratchet wheel-335; a deflector rod-34; a rotating rod-35; spring limit groove-351; a worm-36; a mounting shaft-37; a first pulley-38; a synchronous belt-39;
A clutch operating mechanism-4; compression spring-40; a connecting rod-41; toggle-42; a main body section-421; a first limit groove-4211; a second limit groove-4212; connecting block-4213; a first extension arm-422; a second extension arm-423; a handle-43; an inner ring portion-431; an outer ring portion-432; top wall-433; a return spring-44; a slider-45; a limit projection 451; a steering wire connecting rod-46; a steering wire-47; a fixing frame-481; a wire sleeve-48; reed-49; a loop-491; shrapnel-492;
a motor-5; a rotating shaft-51; a second pulley-511;
A wheel set mechanism-6; a first rotation shaft-61; a first sprocket-611; second sprocket-612; a first swing link-62; a first axle-64; a third sprocket-641; first traveling wheel-642; a second rotation shaft-65; fourth sprocket-651; a second swing link-66; a second wheel axle-67; a second road wheel-671; axle link-68.
Detailed Description
For a better understanding of the invention with objects, structures, features, and effects, the invention will be described further with reference to the drawings and to the detailed description. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Furthermore, the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", etc. are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
Referring to fig. 1-17, the present invention provides a technical solution: a manual worm gear moving type automobile transverse moving control device comprises a fixing frame 1, a gear driving mechanism 2, a worm gear operating mechanism 3, a clutch operating mechanism 4 and a wheel set mechanism 6, wherein the moving device can be arranged on an automobile base to assist the automobile to transversely move.
As shown in fig. 1-2, the fixing frame 1 may be mounted on a vehicle chassis, and includes a frame, a first side wall 11 and a second side wall 12 disposed in the middle of the frame and spaced apart from each other, and a first link 13 and a second link 14 connecting the first side wall 11 and the second side wall 12, where the first link 13 and the second link 14 are disposed in parallel and located at the top of the fixing frame 1.
As shown in fig. 1-3, the gear drive mechanism 2 includes a rotary shaft 25, a worm wheel 21, a first drive gear 22, a second drive gear 23, and a clutch 24. Wherein the rotating shaft 25 is installed between the first side wall 11 and the second side wall 12, and the center line thereof is arranged along the front-rear direction; the worm wheel 21 is rotatably installed on the rotating shaft 25 and is used for driving the first driving gear 22 or driving the second driving gear 23 to rotate; the first driving gear 22 and the second driving gear 23 are respectively arranged at the front side and the rear side of the worm wheel 21 and are rotatably sleeved on the rotating shaft 25, in this embodiment, the first driving gear 22 is used for horizontally moving the wheel set mechanism 6, and the second driving gear 23 is used for driving the wheel set mechanism 6 to lift; the clutch 24 is movably mounted on the worm wheel 21 back and forth, and is used for controlling the worm wheel 21 to switch among three states of synchronous rotation with the first driving gear 22, staggering with the first driving gear 22 and the second driving gear 23 and synchronous rotation with the second driving gear 23, namely, when the clutch 24 is matched with the first driving gear 22 and staggering with the second driving gear 23, the worm wheel 21 synchronously rotates with the first driving gear 22, when the clutch 24 is not matched with the first driving gear 22 and the second driving gear 23, the rotation of the worm wheel 21 does not affect the first driving gear 22 and the second driving gear 23, and when the clutch 24 is matched with the second driving gear 23 and staggering with the first driving gear 23, the worm wheel 21 synchronously rotates with the second driving gear 23.
As shown in fig. 1-6, the worm gear operating mechanism includes a mounting shaft 37, a worm 36, an operating lever, and a motor 5. The mounting shaft 37 has a first end that passes through the first link and a second end that is mounted on the second link; the worm is fixedly arranged on the mounting shaft and meshed with the worm wheel, and one end of the operating rod is arranged on the mounting shaft and used for driving the mounting shaft to rotate; the motor 5 is mounted on the fixing frame and located at one side of the worm wheel, and drives the mounting shaft 37 to rotate, thereby controlling the worm wheel 21 to rotate. In this embodiment, a first pulley 38 is mounted to a first end of the mounting shaft; the motor 5 has a rotation shaft 51 extending toward one side of the worm wheel, and is provided with a second pulley 511, the second pulley 511 is located below the first pulley 38 and has a diameter smaller than that of the first pulley 38, the first pulley 38 and the second pulley 511 are driven by a timing belt 39, and the torque can be increased by the timing belt 39. The operator can control the rotation of the worm wheel through two modes of manual operation control lever and motor drive respectively, and then the wheel set mechanism 6 is controlled to lift, adopts electric drive, can save the manpower, adopts manual electric drive to use when mobile device power feed, and the operability is strong.
As shown in fig. 2-3, the clutch 24 includes a first plate 241, a second plate 243, and a plate link 242. Wherein, the first disc 241 is disposed between the turbine 21 and the first driving gear 22, a first gear ring matching with the first driving gear 22 is disposed on a surface of the first disc near the first driving gear 22, and the first driving gear 22 is provided with a second gear ring matching with the first gear ring; the second disk 243 is disposed between the turbine 21 and the second driving gear 23, a third gear ring matching with the second driving gear 23 is disposed on a surface of the second disk adjacent to the second driving gear 23, and a fourth gear ring matching with the third gear ring is disposed on the second driving gear 23; the tray connecting rods 242 can pass through the turbine 21 in a front-back sliding manner, two ends of the tray connecting rods 242 are respectively connected with the first tray 241 and the second tray 243, and a plurality of tray connecting rods 242 are arranged on the turbine 21 in a circumferential manner in the embodiment.
Referring to fig. 2, the toggle member 42 includes a main body 421, and a first extension arm 422 and a second extension arm 423 disposed on front and rear sides of the main body 421. Wherein, the main body 421 has a receiving groove for the turbine 21 to pass through, which is beneficial to saving space; the main body 421 is further provided with a first limiting groove 4211 matched with the edge of the first disc 241 and a second limiting groove 4212 matched with the edge of the second disc 243, when the toggle piece 42 moves forwards and backwards, the clutch 24 follows the first limiting groove 4211 and the second limiting groove 4212 to adjust positions, and the top of the main body 421 is provided with a connecting block 4213 connected with the tail end of the control wire; the first extension arm 422 is sleeved with the rotating shaft 25 and is positioned at the front side of the first driving gear 22, a fifth gear ring is arranged at the rear side of the first extension arm, and the first driving gear 22 is provided with a sixth gear ring matched with the fifth gear ring; the first extension arm 422 is sleeved with the rotating shaft 25 and is positioned at the rear side of the second gear, a seventh gear ring is arranged at the front side of the first extension arm, the second driving gear 23 is provided with an eighth gear ring matched with the seventh gear ring, and when the turbine 21 and the first driving gear 22 are synchronous, the fifth gear ring and the sixth gear ring are staggered, and meanwhile, the seventh gear ring and the eighth gear ring are meshed, so that the second driving gear 23 is prevented from sliding, namely, the automobile transverse moving device is controlled not to lift when being horizontally and transversely moved; when the turbine 21 and the second driving gear 23 are synchronous, the seventh gear ring and the eighth gear ring are staggered, that is, the fifth gear ring and the sixth gear ring are meshed at the same time, so that the rotation of the first driving gear 22 is avoided, that is, the automobile transverse moving device is controlled not to move horizontally during lifting and moving, and the stability and the safety of the mechanism are further ensured.
Referring to fig. 4, the lever includes a sleeve 31, a mount 33, and a mount shaft 37; the two mounting seats 33 are arranged at the lower end of the sleeve 31 at intervals, and the worm 36 is arranged between the two mounting seats 33; the mounting shaft 37 passes through one mounting seat 33, the worm 36 and the second mounting seat 33, two ends of the mounting shaft are respectively connected with the first connecting rod 13 and the second connecting rod 14, and the central line of the mounting shaft 37 is perpendicular to the central line of the rotating shaft 25.
As shown in fig. 6-9, the worm 36 and the mounting seat 33 are driven in a pawl ratchet fit manner. Specifically, the mounting base 33 includes a base 331, and a ratchet 335, a pawl 332, a first coil spring 333, and a second coil spring 334 mounted in the base 331. The base 331 has an inner sidewall facing the turbine 21, the inner sidewall has a notch for placing the ratchet 335, and the ratchet 335 is fixed to one end of the turbine 21; the pawl 332 is swingably installed in the seat 331 through a ratchet shaft and is positioned at one side of the ratchet 335, the pawl 332 is provided with a first side and a second side which are symmetrically arranged, one end of the first side, which is close to the ratchet 335, is provided with a first ratchet 3323 for pushing the ratchet 335 to rotate in the forward direction, and one end of the second side, which is close to the ratchet 335, is provided with a second ratchet 3324 for pushing the ratchet 335 to rotate in the reverse direction; the first coil spring 333 abuts a first side of the pawl 332 and the second coil spring 334 abuts a second side of the pawl 332. The first coil spring 333 and the second coil spring 334 are used to return the pawl 332.
On the support, a first protruding portion 3321 is disposed at an end of the first side of the pawl 332 away from the ratchet 335, a second protruding portion 3322 is disposed at an end of the second side of the pawl 332 away from the ratchet 335, and an included angle is formed between the first protruding portion 3321 and the second protruding portion 3322; the first coil spring 333 abuts the first protruding portion 3321, and the second coil spring 334 abuts the second protruding portion 3322.
As shown in fig. 3, 11 and 12, the lever further includes a rotating rod 35 rotatably mounted on the sleeve 31, a driving lever 34 is fixedly mounted at the lower end of the lever, the driving lever 34 extends in a direction perpendicular to the center line of the rotating rod 35, and the driving lever 34 passes through the inner side wall of the first mounting seat 33 and abuts against the pawl 332 to push the pawl 332 to rotate. Normally, i.e. the rotating rod 35 is not rotated, the deflector rod 34 is positioned between the first protruding part 3321 and the second protruding part 3322, the pawl 332 is staggered with the ratchet 335 due to the elastic force of the coil spring, and the rotation of the worm 36 is not influenced by the swinging of the deflector rod; rotating the rotating rod 35 counterclockwise, the deflector rod 34 pressing the first protruding portion 3321 so that the first ratchet teeth 3323 abut against the tooth grooves of the ratchet 335, swinging the control rod can enable the ratchet 335 to rotate around the positive direction, rotating the rotating rod 35 clockwise, the deflector rod 34 pressing the second protruding portion 3322 so that the second ratchet teeth 3324 abut against the tooth grooves of the ratchet 335, and swinging the control rod can enable the ratchet 335 to rotate around the negative direction. In this embodiment, the two mounting bases 33 are symmetrically configured, the first extending portions of the two pawls 332 are connected, and the second extending portions of the two pawls 332 are connected, so as to facilitate structural balance and stability, and in other examples, only one mounting base 33 may be provided with the pawl 332 and the ratchet 335 that are matched.
As shown in fig. 3, 11, 12, the clutch operating mechanism includes a compression spring 40, a handle 43, a wire sleeve 48, and an operating wire 47; the compression spring is abutted between the second driving gear and the clutch; the handle is sleeved at the upper end of the operating rod in a vertically sliding way and is provided with a top wall 433, an outer ring part 432 connected with the top wall and an inner ring part 431 protruding downwards from the top wall, and the inner ring part is positioned at the inner side of the outer ring part and is provided with an inner conical surface; one end of the wire sleeve is connected with the lower end of the rotating rod, and the other end of the wire sleeve is arranged on the second side wall through a fixing frame 481; the control wire penetrates through the control rod and the wire sleeve, one end of the control wire is connected with the stirring piece, the other end of the control wire is connected with the handle, the control wire is driven to move forwards and backwards through lifting of the handle relative to the control rod, and therefore the turbine is controlled to switch between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear.
As shown in fig. 11 to 14, the handle 43 is provided with a steering wire connecting rod 46, a slider 45, a reed 49 and a return spring 44; the two ends of the control wire connecting rod 46 are respectively fixed with the handle and the control wire connecting rod, the two ends of the control wire connecting rod are respectively fixed with the handle and the control wire 45, and the tightness of the control wire and the position of the clutch are adjusted by nuts at the upper end of the control wire connecting rod; the sliding piece is fixedly sleeved on the control wire connecting rod in a sliding way, one side of the sliding piece is provided with a limiting protrusion 451 (shown in figures 3 and 12), and the rotating rod is provided with a clamping groove matched with the limiting protrusion so as to realize the rotation of the control handle; the reed comprises a loop 491 and a plurality of spring tabs 492 attached to the loop. The ring is sleeved with the control wire connecting rod and is positioned at one side of the sliding piece far away from the control wire, and the plurality of elastic sheets are connected with the ring and are bent outwards; a spring plate limiting groove 351 corresponding to the spring plate is clamped on the side wall of the rotating rod; the reset spring is sleeved with the control wire connecting rod, and two ends of the reset spring are respectively abutted against the handle and the girdle. When the handle is pulled up, the sliding piece moves up and lifts the control wire, the tail end of the control wire moves towards the second side wall, the poking piece moves backwards, the turbine and the second driving gear synchronously rotate, and meanwhile, the elastic piece is outwards abutted to the elastic piece limiting groove, so that the handle position is limited; when the handle is pressed down, the inner ring part pushes the elastic sheet, the elastic sheet is bent inwards and separated from the elastic limiting groove, the clutch moves forwards under the drive of the compression spring, and the turbine is separated from the second driving gear and is matched with the first driving gear.
As shown in fig. 1-3, the wheelset mechanism 6 includes a first rotating shaft 61, a first swing link 62, a first axle 64, a second rotating shaft 65, a second swing link 66, a second axle 67, and an axle link 68; the first rotating shaft 61 is rotatably installed at one side of the fixing frame, a first sprocket 611 and a second sprocket 612 are fixedly arranged on the first rotating shaft 61, and the first sprocket 611 is in transmission connection with the first driving gear 22 through a first chain; both ends of the first swing rod 62 are respectively connected with the first rotating shaft 61 and the first wheel shaft 64; the front end and the rear end of the first wheel axle 64 are respectively provided with a first travelling wheel 642, the first wheel axle 64 is fixedly provided with a third sprocket 641, and the third sprocket 641 is in transmission connection with the second sprocket 612 through a second chain; the second rotating shaft 65 is rotatably installed on the other side of the fixed frame, the front end and the rear end of the second wheel shaft 67 are provided with second travelling wheels 671, a fourth sprocket is fixedly arranged on the second wheel shaft 67, and the fourth sprocket is in transmission connection with the second driving gear through a third chain; the two ends of the second swing rod 66 are respectively connected with the second rotating shaft 65 and the second wheel axle 67, and the wheel axle connecting rod 68 is connected with the first wheel axle 64 and the second wheel axle 67 so as to realize synchronous lifting of the first wheel axle 64 and the second wheel axle 67. When the wheel axle is arranged on the automobile base, the extending direction of the wheel axle is parallel to the front-back direction of the automobile. When the first driving gear rotates, the first wheel axle 64 follows the rotation, and the moving device can move transversely. When the second driving gear rotates, the second rotating shaft 65 rotates along with the rotation, and drives the second swing rod 66 to swing, so that the wheel set mechanism 6 can be retracted when the wheel set mechanism 6 is not needed to be used, and the effect that the travelling wheel leaves the ground vehicle to normally run is achieved.
The manual worm gear pipeline type control automobile transverse moving device provided by the invention has the following operation modes:
1. manually controlling the moving device to move horizontally:
As shown in fig. 11 and 15, when the motor 5 is powered off, the handle 43 is pressed down, the clutch 24 is moved forward under the action of the compression spring 40, the worm wheel 21 is synchronous with the first driving gear 22, and the second driving gear 23 is locked; rotating the handle 43 counterclockwise, the shift lever 34 is pressed against the first protruding portion 3321 of the pawl 332, so that the first ratchet teeth 3323 are buckled with the ratchet wheel 335, as shown in fig. 8, the operating lever is pulled back and forth, the first driving gear 22 rotates positively, the first wheel axle 64 and the first travelling wheel 642 are driven to rotate positively, and the device moves positively; rotating the handle 43 clockwise, the lever 34 presses the second protruding portion 3322 of the pawl 332 so that the second ratchet teeth 3324 engage the ratchet 335, as shown in fig. 9, pulling the lever back and forth, and the first drive gear 22 is reversed; the first axle 64 and first travel wheel 642 are driven in reverse and the device moves in reverse.
2. Manually controlling the lifting of the mobile device:
As shown in fig. 12 and 16, when the motor 5 is powered off, the handle 43 is pulled upwards, the operating wire 47 pulls the toggle member backwards so that the clutch 24 moves backwards, the worm wheel 21 is synchronous with the second driving gear 23, and the first driving gear 22 is locked; the handle 43 is rotated anticlockwise, the deflector rod 34 is in press connection with the first protruding portion 3321 of the pawl 332, so that the first ratchet 3323 is buckled with the ratchet 335, the operating rod is pulled back and forth, the second driving gear 23 rotates forward, the second rotating shaft 65 is driven to rotate forward, the swinging end of the second swinging rod 66 descends, the travelling wheel descends, namely, the moving device is opened, and the vehicle can be jacked up as shown in fig. 1.
After the use is completed, the handle 43 is rotated clockwise, the deflector rod 34 is pressed against the second protruding part 3322 of the pawl 332, so that the second ratchet 3324 is buckled with the ratchet 335, the operating rod is pulled back and forth, the second driving gear 23 is reversed to drive the second rotating shaft 65 to be reversed, the swinging end of the second swinging rod 66 is lifted, the travelling wheel is lifted, and the moving device is retracted, as shown in fig. 17.
3. The motor controls the moving device to move horizontally:
Rotating the handle to the neutral position misaligns the pawl 332 and ratchet 335, as shown in FIG. 7, when the lever is operated without affecting the worm gear movement; pressing down the handle 43, the clutch 24 moves forward under the action of the compression spring 40, the worm wheel 21 is synchronous with the first driving gear 22, and the second driving gear 23 is locked; the operating motor 5 rotates forward, the first driving gear 22 rotates forward along with the operating motor, the device moves forward, the operating motor 5 rotates reversely, the first driving gear 22 rotates reversely along with the operating motor 5, and the device moves reversely.
4. The motor controls the moving device to lift:
Rotating the handle to the neutral position misaligns the pawl 332 and the ratchet 335, and operating the lever does not affect the worm gear movement; pulling up the handle 43, the operating wire 47 pulls the toggle member backwards so that the clutch 24 moves backwards, the worm wheel 21 is synchronous with the second driving gear 23, and the first driving gear 22 is locked; the operating motor 5 rotates positively, the second driving gear 23 rotates positively, the second rotating shaft 65 is driven to rotate positively, the swinging end of the second swinging rod 66 descends, and the travelling wheel descends, namely the moving device is opened, as shown in figure 1; when the operation motor 5 is reversed, the second driving gear 23 is reversed, the swinging end of the second swinging rod 66 is lifted, the travelling wheel is lifted, and the moving device is retracted, as shown in fig. 17.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device, which is characterized by comprising:
the fixing frame is provided with a first side wall, a second side wall, a first connecting rod and a second connecting rod, wherein the first side wall and the second side wall are arranged in a front-back opposite mode;
The gear driving mechanism comprises a rotating shaft, a worm gear, a first driving gear, a second driving gear and a clutch; the rotating shaft is arranged between the first side wall and the second side wall; the worm wheel is rotatably arranged on the rotating shaft; the first driving gear and the second driving gear are respectively arranged at the front side and the rear side of the worm wheel and are rotatably sleeved on the rotating shaft; the clutch can be movably arranged on the worm wheel back and forth and is used for controlling the worm wheel to switch among three states of synchronous rotation with the first driving gear, staggering with the first driving gear and the second driving gear and synchronous rotation with the second driving gear;
The worm wheel control mechanism comprises a mounting shaft, a worm, a control rod and a motor; the mounting shaft is provided with a first end and a second end, the first end penetrates through the first connecting rod, and the second end is mounted on the second connecting rod; the worm is fixedly arranged on the mounting shaft and meshed with the worm wheel, and one end of the operating rod is arranged on the mounting shaft and used for driving the mounting shaft to rotate; the motor is arranged on the fixed frame and positioned on one side of the worm wheel, and drives the installation shaft to rotate;
A clutch operating mechanism including a compression spring, a handle, and an operating wire; the compression spring is abutted between the second driving gear and the clutch; the handle is sleeved at the upper end of the control rod in a vertically sliding way, the control wire penetrates through the control rod, one end of the control wire is connected with the poking piece, the other end of the control wire is connected with the handle, and the clutch is enabled to move back and forth by lifting the control wire through the handle, so that the turbine is controlled to switch between two states of synchronous rotation with the first driving gear and synchronous rotation with the second driving gear;
The wheel set mechanism comprises a first rotating shaft, a first swing rod, a first wheel shaft, a second rotating shaft, a second swing rod, a second wheel shaft and a wheel shaft connecting rod; the first rotating shaft is rotatably arranged on one side of the fixing frame, a first chain wheel and a second chain wheel are fixedly arranged on the first rotating shaft, and the first chain wheel is in transmission connection with the first driving gear through a first chain; two ends of the first swing rod are respectively connected with the first rotating shaft and the first wheel shaft; the front end and the rear end of the first wheel shaft are respectively provided with a first travelling wheel, the first wheel shaft is fixedly provided with a third sprocket, and the third sprocket is in transmission connection with the second sprocket through a second chain; the second rotating shaft is rotatably arranged on the other side of the fixed frame, the front end and the rear end of the second wheel shaft are provided with second travelling wheels, a fourth chain wheel is fixedly arranged on the second wheel shaft, and the fourth chain wheel is in transmission connection with the second driving gear through a third chain; the two ends of the second swing rod are respectively connected with the second rotating shaft and the second wheel shaft, and the wheel shaft connecting rod of the second swing rod is connected with the first wheel shaft and the second wheel shaft;
The control rod comprises a sleeve, a mounting seat and a mounting shaft; the two mounting seats are arranged at the lower end of the sleeve at intervals, and the worm is arranged between the two mounting seats; the mounting shaft penetrates through the first mounting seat, the worm and the second mounting seat, and two ends of the mounting shaft are respectively connected with the first connecting rod and the second connecting rod;
The mounting seat comprises a seat body, and a ratchet wheel, a pawl, a first coil spring and a second coil spring which are arranged in the seat body; the ratchet wheel is fixed with one end of the worm wheel; the pawl is arranged in the base body in a swinging way through a ratchet shaft and is positioned on the ratchet wheel, the pawl is provided with a first side and a second side which are symmetrically arranged, one end of the first side, which is close to the ratchet wheel, is provided with a first ratchet for pushing the ratchet wheel to rotate in the positive direction, and one end of the second side, which is close to the ratchet wheel, is provided with a second ratchet for pushing the ratchet wheel to rotate in the opposite direction; the first coil spring abuts a first side of the pawl and the second coil spring abuts a second side of the pawl;
the first side of the pawl is provided with a first protruding part at one end far away from the ratchet wheel, the second side of the pawl is provided with a second protruding part at one end far away from the ratchet wheel, and the first protruding part and the second protruding part form an included angle; the first coil spring is abutted against the first protruding part, and the second coil spring is abutted against the second protruding part; the control rod further comprises a rotating rod rotatably arranged on the sleeve, a deflector rod is fixedly arranged at the lower end of the control rod, and the deflector rod stretches into the first mounting seat and abuts against the pawl to push the pawl to rotate;
The handle is provided with a control wire connecting rod, a sliding piece, a reed and a return spring; the two ends of the control wire connecting rod are respectively fixed with the handle and the control wire connecting rod; the sliding piece is sleeved with the control wire connecting rod in a sliding manner; the spring plate comprises a ring and a plurality of elastic pieces connected with the ring, the ring is sleeved with a control wire connecting rod and is positioned at one side of the sliding piece far away from the control wire, and the plurality of elastic pieces are connected with the ring and are bent outwards; a spring plate limiting groove corresponding to the spring plate is clamped on the side wall of the rotating rod; the reset spring is sleeved with a control wire connecting rod, and two ends of the reset spring are respectively abutted against the handle and the girdle;
The clutch operating mechanism further comprises a wire sleeve, one end of the wire sleeve is connected with the lower end of the rotating rod, the other end of the wire sleeve is arranged on the second side wall through a fixing frame, and the operating wire passes through the wire sleeve;
A first end of the mounting shaft is provided with a first belt wheel; the motor is provided with a rotating shaft, a second belt wheel is fixedly arranged on the rotating shaft, the second belt wheel is positioned below the first belt wheel, the diameter of the second belt wheel is smaller than that of the first belt wheel, and the first belt wheel and the second belt wheel are driven by a synchronous belt.
2. The manual and electric dual-purpose worm gear pipeline type control automobile transverse moving device according to claim 1, wherein the clutch comprises a first disc body, a second disc body and a disc body connecting rod; the first disk body is arranged between the worm wheel and the first driving gear, a first gear ring matched with the first driving gear is arranged on the first disk body, and a second gear ring matched with the first gear ring is arranged on the first driving gear; the second disc body is arranged between the worm wheel and the second driving gear, a third gear ring matched with the second driving gear is arranged on the second disc body, and a fourth gear ring matched with the third gear ring is arranged on the second driving gear; the disc connecting rod can pass through the worm wheel in a front-back sliding way, and two ends of the disc connecting rod are respectively connected with the first disc body and the second disc body.
3. The manual and electric dual-purpose worm and gear pipeline type control automobile transverse moving device according to claim 2, wherein the toggle piece comprises a main body part, and a first extension arm and a second extension arm which are respectively arranged on the front side and the rear side of the main body part; the main body part is provided with a first limit groove matched with the first disc body and a second limit groove matched with the second disc body; the first extension arm is sleeved with the rotating shaft and is positioned at the front side of the first driving gear, a fifth gear ring is arranged at the rear side of the first extension arm, and a sixth gear ring matched with the fifth gear ring is arranged on the first driving gear; the first extension arm is sleeved with the rotating shaft and is positioned at the rear side of the second driving gear, a seventh gear ring is arranged at the front side of the first extension arm, and an eighth gear ring matched with the seventh gear ring is arranged on the second driving gear.
4. The manual and electric dual-purpose worm and gear pipeline type control automobile transverse moving device according to claim 1, wherein the two mounting seats are of symmetrical structures, the first extending parts of the two pawls are connected, and the second extending parts of the two pawls are connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011599856.7A CN112721873B (en) | 2020-12-29 | 2020-12-29 | Manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011599856.7A CN112721873B (en) | 2020-12-29 | 2020-12-29 | Manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112721873A CN112721873A (en) | 2021-04-30 |
CN112721873B true CN112721873B (en) | 2024-10-01 |
Family
ID=75611506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011599856.7A Active CN112721873B (en) | 2020-12-29 | 2020-12-29 | Manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112721873B (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN214240749U (en) * | 2020-12-29 | 2021-09-21 | 广州华立科技职业学院 | Manual and electric dual-purpose worm gear and worm pipeline type control automobile transverse moving device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4831889A (en) * | 1988-05-17 | 1989-05-23 | Wheled Holdings Inc. | Conical worm gear for a multi-speed bicycle drive mechanism |
AU3215797A (en) * | 1996-05-28 | 1998-01-05 | Rhino Craft, Inc. | Cart pulling system |
JP3815210B2 (en) * | 2000-11-24 | 2006-08-30 | スズキ株式会社 | Vehicle transmission |
US20050057031A1 (en) * | 2003-08-01 | 2005-03-17 | Bruce Ahnafield | Joystick-operated driving system |
CN204399138U (en) * | 2014-12-09 | 2015-06-17 | 方国辉 | High-mobility, multipurpose, wheeled vehicle Apparatus for parking vehicles |
CN206071148U (en) * | 2016-08-18 | 2017-04-05 | 朱力山 | Lift-sliding parking position |
CN110155000A (en) * | 2019-06-09 | 2019-08-23 | 广州华立科技职业学院 | The mobile cam of Manual omnidirectional controls automobile mobile device |
-
2020
- 2020-12-29 CN CN202011599856.7A patent/CN112721873B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN214240749U (en) * | 2020-12-29 | 2021-09-21 | 广州华立科技职业学院 | Manual and electric dual-purpose worm gear and worm pipeline type control automobile transverse moving device |
Also Published As
Publication number | Publication date |
---|---|
CN112721873A (en) | 2021-04-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN214295890U (en) | Manual and electric dual-purpose worm gear and worm moving control vehicle lateral movement device | |
CN108397018B (en) | Parking vehicle transportation mechanism for multi-layer parking frame | |
CN112622837B (en) | Manual worm gear pipeline type control automobile transverse moving device | |
CN214240749U (en) | Manual and electric dual-purpose worm gear and worm pipeline type control automobile transverse moving device | |
CN217201866U (en) | Manual and electric dual-purpose worm gear and worm pipeline type control mechanism | |
CN112721873B (en) | Manual and electric dual-purpose worm gear pipeline type control automobile transverse movement device | |
CN216034290U (en) | Manual worm gear and worm pipeline type control device for transverse movement of automobile | |
CN116252573A (en) | A vehicle anti-skid device | |
CN214240748U (en) | Manual worm gear and worm pipeline type control mechanism | |
CN215479433U (en) | Manual and electric dual-purpose worm gear moving type control mechanism | |
CN214240747U (en) | Manual worm gear and worm moving control vehicle lateral movement device | |
CN112590725B (en) | Manual and electric dual-purpose worm gear moving type automobile transverse moving control device | |
CN112723230B (en) | Manual and electric dual-purpose worm and gear moving type control mechanism | |
CN112622836B (en) | Manual worm gear moving type automobile transverse moving control device | |
US7861658B2 (en) | Human powered rail bike | |
CN209972411U (en) | Manual coupling wheel controlled automobile transverse moving device | |
CN109703406B (en) | Intelligent charging parking device for electric automobile | |
CN201824811U (en) | Connecting device used for trailer and trailer | |
CN112723231B (en) | Manual worm gear moving type control mechanism | |
CN210101603U (en) | An Improved Unmanned Formula Racing Braking Mechanism | |
CN112677936B (en) | Manual worm gear pipeline control mechanism | |
CN214243635U (en) | Manual worm gear and worm moving control mechanism | |
CN112623994A (en) | Manual and electric dual-purpose worm gear and worm pipeline type control mechanism | |
CN2696973Y (en) | Beach vehicle | |
JP3164287U (en) | Vehicle turning machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |