CN2789914Y - Universal linkaging switch - Google Patents
Universal linkaging switch Download PDFInfo
- Publication number
- CN2789914Y CN2789914Y CN 200520101826 CN200520101826U CN2789914Y CN 2789914 Y CN2789914 Y CN 2789914Y CN 200520101826 CN200520101826 CN 200520101826 CN 200520101826 U CN200520101826 U CN 200520101826U CN 2789914 Y CN2789914 Y CN 2789914Y
- Authority
- CN
- China
- Prior art keywords
- zero
- handle
- handball
- steel plate
- gear
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to a universal linked switch, which comprises a box body, an operating handle, a circuit control piece, an electric wire connector, a mechanical driving mechanism, an automatic zero reset mechanism, a block position mechanism, a locating mechanism, a handle zero position mechanical caging or electrical caging mechanism, a contactor controller, an encoder or a potentiometer or a differential synchro, wherein the operating handle comprises an upper shell body and a lower shell body of a handball which are mutually sheathed, the lower shell body is connected with a hollow handle, the lower part of the lower shell body is in pin connection with a zero position positioning column and a zero position positioning hole which can movably rotate is sheathed at the upper end of a fan bevel gear at the upper part of the controller. Because the zero position mechanical caging mechanism of the operating handle is changed to be the zero position positioning hole which can movably rotate, the utility model has the advantages of accurate lockup and simple structure. Because the automatic zero reset mechanism of the single handle is changed in a mixed type, the operating handle can automatically reset a zero position and can be positioned in a block position, thereby, the range of practical application can be enlarged. Because the fixing of the bottom end of a dust cover can be changed to a state that the bottom end is sheathed on a support stand of the shell body, the utility model can overcome back pulling force and abrasions which are generated when the handle is operated, and the utility model has the advantages of long service life, reduced structure and convenient maintenance. Because the block position mechanism is changed to be the movable positioning column, the number of the block position can be changed arbitrarily and positioning is simple and accurate. The design of a synchronous shaft connector make a step contactor controller realize the.
Description
Technical field
The utility model relates to a kind of electric control switch, relates in particular to a kind of operation and the universal link switch of controlling various motor machines and Electromagnetic Control machinery.It is widely used in controlling the starting of making the complete machine sophisticated functions on various motor machines and the Electromagnetic Control machinery, commutate, have level with stepless speed regulation, braking, damping, cushion, advance, retreat, turn left, operation is controlled in the electromagnetism executive circuit of other similar sophisticated functionss such as right-hand rotation, transfer, interlock.
Background technology
The utility model people three granted patent application numbers is that utility model patent, the number of patent application of 86202003.4 " universal link switch " is the utility model patent of 92232619.3 " combination linked switch " and the utility model patent of " combination universal link switch " that number of patent application is 96210373.X.This series products is effectively improved in the above-mentioned patented technology that three times are authorized; Wherein as number of patent application be 96210373.X " combination universal link switch " as shown in Figure 2, it comprises casing, the control crank be made up of upper box 6 and lower box 8, be arranged on circuit control piece on the control crank, include vertically arranged finger axle 13 and horizontal arrangement minor axis 38 cross axle and sector gear 16 mechanical transmission mechanism, include torsion spring 36 from return-to-zero mechanism, include the gear mechanism of the fan-shaped steel plate 17 that is fixed as one with sector gear 16 setting-ins, the contactor controller 23 that is connected with mechanical transmission mechanism.
Upper box is provided with control crank, control crank comprises handball lid 1 and the handball 2 that is spirally connected mutually, hollow shape handle 3 with handball die casting one, have electric wire on the handle and pass hole 11, and be encapsulated with the dust cover 4 that synthetic rubber is made, be fixed on upper box 6 tops by control panel 5, with the erosion of dust protection and rainwater.
Control crank is provided with the circuit control piece, comprises control button 10 that is located at handball lid 1 and the switch 9 that is located at the handball surface, and the electric wire of control button 10 and switch 9 passes the hole through the hollow shape handle by electric wire and draws and enter casing.
One benchmark steel plate 20 is set between the upper and lower casing, and last live wire passes hole 43.Be provided with in upper box, above the steel plate 20 by the mechanical transmission mechanism of control crank control, from return-to-zero mechanism and gear mechanism, the below of benchmark steel plate is provided with by what mechanical transmission mechanism drove and comprises the contactor controller 23 of drawing the end of a thread 42.
Mechanical transmission mechanism comprises cross axle, it is made up of the minor axis 38 of vertically arranged finger axle 13 and horizontal arrangement, finger axle upper end is connected by taper pin 12 with handle, pass bent axle 15 chute posterior ends and rolling disc 39 close-fittings, both axial lines overlap, minor axis is connected in rolling disc in d-axis 37 chutes and can rotates flexibly, pull pin axle and the minor axis formation cross axle that intersects vertically, and the finger axle is being in the axle sleeve 14 that bent axle chute position is provided with moving nonmetallic materials system of joining, the wearing and tearing of having avoided both to cause because of direct movable contact.Flexibly connect at the d-axis 37 and the bent axle 15 of same horizontal plane and orthogonal distribution by cross axle and axial line, d-axis and bent sleeve two ends are bearing in respectively in the bearing pedestal 18,32, bearing pedestal 18,32 is fixed on the steel plate 20, the two ends of d-axis and bent axle are fixed with the sector gear 16 from return-to-zero mechanism and band gear mechanism respectively, sector gear 16 is connected with bent axle 15 with d-axis 37, sector gear 16 and bevel gear 21 engagement transferring power.Like this, do when minor axis 38 rotates when stick control makes rolling disc, bent axle just is rotated, thereby drive sector gear 16 bevel gear 21 is rotated; When the stick control rolling disc rotate around the axial line of d-axis 37 right, just rotate in the bent axle chute together with axle sleeve the bottom of the finger axle in the cross axle, thereby make d-axis 37 drive sector gear and bevel gear rotation, the rotation of two bevel gears can both make the controller contact do corresponding keying and left-right rotation is done.
Comprise a torsion spring 36 from return-to-zero mechanism, the torsion spring frame 35 at torsion spring 36 two ends is sleeved on d-axis 37 and the bent axle 15 and with d-axis, bent axle and rotates synchronously, torsion spring frame 35 by the circular base meal, perpendicular to the long and short cylinder of the hollow shape of base plate and by base plate tangentially the arm of force stretched of the court of a feudal ruler form, its circular base is distributed with a plurality of apertures 47 for the insertion of torsion spring termination near pulling its periphery of upper edge, in order to regulate the torsional moment size.
Be separately fixed at the untie-sell 34 of d-axis, crankshaft end-face and be fixed on the arm of force separation both sides of the rationed marketing 33 of bearing pedestal 32 inboards two ends torsion spring frame, make d-axis, bent axle no matter forwards, backwards or left-right rotation can both drive and turn round yellow frame and do rotation synchronously, thereby torsion spring is tightened, only could return-to-zero behind the active force of removing handle.
The fan-shaped steel plate 17 of gear mechanism is fixed as one with sector gear 16 setting-ins respectively, rotate synchronously with sector gear, has a left side on the fan-shaped steel plate, right each 7 are arranged in the Long Circle hole 41 on the radius, constitute gear control with the spring latch lock 19 that is located at bearing pedestal 18 inboards, and on a fan-shaped steel plate left side, the reference column 40 that can transfer the files is arbitrarily respectively established in arbitrary hole in right both sides, this reference column is connected in the Long Circle hole by nut, fan-shaped steel is pulled in rotation process reference column and must be run into bearing pedestal and be limited, can be connected in arbitrarily in arbitrary Long Circle hole according to reference column, just constitute different gear location, and spring latch lock enters the motion and sound of sending in the Long Circle hole, and makes the driver that obvious feel be arranged.
The contactor controller below is provided with and both can connects potentiometer or encoder or selsyn-type electric machine 24, can regulate the synchronous shaft joint of zero potential again arbitrarily, it comprises and the fixing top cover 29 of lower cover, top cover 29 is fixing with the shell 27 of sleeve-like again, bottom plate 26 forms by a circumferentially uniform head screw and shell and is rotatably connected, outer shell cavity is indoor to be provided with angular wheel shaft and the potentiometer of below or the left and right sides rotating shaft 44 of selsyn-type electric machine that connecting shaft cover 28 connects the top, and fixing by pressing plate 25.
The electric wire that connects switch 9, button 10 through the electric wire of hollow shape handle 3 pass hole 11 again the electric wire on steel plate 20 pass hole 43, connect and draw the end of a thread 42 to controller.
The gear mechanism of above-mentioned " combination universal link switch " uses reference column instead, can change operation gear, accurate positioning arbitrarily; The design of shaft joint has made grade contactor controller realize stepless, contactless or operation control at any angle; And the direct wearing and tearing in the operation control procedure of finger axle and bent axle chute have been eliminated, simplification technology has also improved useful life, but also find following defective through application in practice for many years: the single automatic reset to zero of first operating grip mechanism can not be used for deciding gear position operation control, can not be used for hybrid operation demand for control again, thereby restrict its range of application greatly; It two is vertical with the handle reference column after the steel plate punching that always depends on several millimeters thick of the location hole of handle zero-bit mechanical lock mechanism, the punching out, set a distances and fix, makes the manufacturing process complexity, and accuracy is lower, makes the adjustment difficulty increase of overhauling after the dismounting; It three is dust covers that operating grip enters upper box top, and the prior art structure all is fixed in the upper box top, makes complex structure, and pull-back forces is big when lever operated, wearing and tearing are big, has influenced useful life, and maintenance is inconvenient again.
The utility model content
The purpose of this utility model is exactly in order to overcome above-mentioned weak point of the prior art, provides a kind of structure to lock universal link switch more accurately comparatively simply again.
The purpose of this utility model is by providing a kind of universal link switch with following structure to realize, it comprises a casing of being made up of upper box and lower box, described casing top is provided with control crank, described control crank is provided with the circuit control piece, be provided with the benchmark steel plate in the described casing, described benchmark steel plate top is provided with by the mechanical transmission mechanism of handling the bright control of hand, d-axis and bent axle that described mechanical transmission mechanism is provided with cross axle and axial line orthogonal distribution on same horizontal plane flexibly connect, described d-axis and crankshaft two end are bearing in a left side, in two bearing pedestals of right-hand member, described right-hand member bearing pedestal end is fixed with the sector gear from return-to-zero mechanism and band shifting-position mechanism respectively, described sector gear meshes the bevel gear that a transferring power is used, describedly comprise a torsion spring from return-to-zero mechanism, the torsion spring two ends are provided with the torsion spring frame and rotate synchronously with described d-axis and bent axle, the untie-sell of fixedlying connected of described d-axis and crankshaft end-face, a rationed marketing is fixed in described left shaft holder inboard; The fan-shaped steel plate and the described sector gear of described gear mechanism are fixed, and have a plurality of being arranged in the Long Circle hole on the radius on the described fan-shaped steel plate, constitute the gear feel with the spring latch lock that is located at described right bearing seat inboard and control with the sound; The below of described benchmark steel plate is provided with the contactor controller that is driven by mechanical transmission mechanism, described contactor controller below is provided with not only can connect potentiometer or encoder or selsyn-type electric machine, but also can regulate the synchronous shaft joint of zero potential arbitrarily, synchronous shaft joint bag removable hatch cover, shell and bottom plate, described bottom plate and described shell are rotatably connected, the indoor connecting shaft cover that is provided with of described outer shell cavity, described connecting shaft cover connects the left and right sides rotating shaft of an angular wheel shaft and described potentiometer or encoder or selsyn-type electric machine, and by pressing plate or screw.
Described control crank comprises the handball upper shell and is inserted in the handball lower house of described upper shell below, and described handball lower house connects a hollow shape handle, and described handball lower house bottom is provided with a steady pin, described steady pin pin joint one zero-bit reference column; Between described handball upper shell and the described handball lower house and in described handle periphery one compression spring is set, described bevel gear top is provided with the zero-bit location hole of a movable rotation that is connected with described angular wheel shaft; Described bevel gear below is provided with an axle sleeve that is connected with described angular wheel shaft, and described axle sleeve periphery connects that a positioning of rotating is recessed takes turns, recessed outside connection one reference column and the spring of taking turns of described positioning of rotating.
The outer envelope of described hollow shape handle has dust cover, and described upper box upper fixed connects a dust cover bracing frame, and described dust cover is nested with on described bracing frame.
Compared with prior art, advantage of the present utility model is: 1. the zero-bit mechanical lock mechanism is used the zero-bit location hole of movable rotation instead, thus make locking accurately, simple in structure again; Control crank automatically reset to zero, again can be in a certain gear location, thereby enlarged the scope of practical application; 3. dust cover is nested with on bracing frame, has overcome pull-back forces and wearing and tearing when lever operated, has improved useful life, and simplified structure is convenient to maintenance again; 4. there is grade contactor controller to realize stepless, contactless any-mode operation control; 5. simple in structure, function is more complete, reliability is high; 6. simplify technology, improved useful life again, thereby reduced manufacturing cost greatly.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a kind of prior art constructions schematic diagram;
Embodiment
Embodiment describes in further detail utility model below in conjunction with accompanying drawing.
Fig. 1, Fig. 2 show an execution mode of the utility model universal link switch.It comprises the casing of being made up of upper box 6 and lower box 8, the casing top is provided with control crank, control crank is provided with the circuit control piece, be provided with mechanical transmission mechanism in the upper box 6, from return-to-zero mechanism, gear mechanism, be provided with the contactor controller 23 that is connected with mechanical transmission mechanism in the lower box 8.
Control crank comprises handball upper shell 61 and is inserted in the handball lower house 63 of upper shell 61 belows, handball lower house 63 connections one hollow shape handle 3, and handball lower house 63 bottoms are provided with a steady pin 60, steady pin 60 pin joints one zero-bit reference column 66; Between handball upper shell 61 and the handball lower house 63 and in hollow shape handle 3 peripheries, a compression spring 62 is set, the reference column when making handle get back to zero-bit enters in the activity positioning of rotating hole.The outer envelope of handle 3 has dust cover 64; Upper box 6 upper fixed connect a dust cover bracing frame 65, and dust cover 64 is nested with on dust cover bracing frame 65, with the erosion of dust protection and rainwater, and are convenient to the regular maintenance and the maintenance of dust cover 64.
One benchmark steel plate 20 is set between the upper and lower casing, is provided with in the upper box of steel plate 20 tops by the mechanical transmission mechanism of control crank control, from return-to-zero mechanism and gear mechanism, the below of steel plate 20 is provided with the contactor controller 23 that is driven by mechanical transmission mechanism.
Mechanical transmission mechanism comprises the minor axis 38 of the horizontal arrangement that is connected with hollow shape handle 3, hollow shape handle 3 passes bent axle 15 chute posterior ends and rolling disc 39 close-fittings, both axial lines overlap, minor axis 38 is connected in rolling disc in d-axis 37 chutes and can rotates flexibly, hollow shape handle 3 is in the axle sleeve 14 that bent axle chute position is provided with moving nonmetallic materials system of joining, the wearing and tearing of having avoided both to cause because of direct movable contact.D-axis 37 and bent axle 15 two ends are bearing in respectively in the bearing pedestal 18,32, bearing pedestal 18,32 is fixed on the steel plate 20, the two ends of d-axis and bent axle are fixed with the sector gear 16 from return-to-zero mechanism and band gear mechanism respectively, sector gear 16 is connected with bent axle 15 with d-axis 37, sector gear 16 and bevel gear 21 engagement transferring power.Like this, do when minor axis 38 rotates when stick control makes rolling disc, bent axle just is rotated, thereby drive sector gear bevel gear is rotated; When the stick control rolling disc when the axial line of d-axis 37 rotates, just rotate in the bent axle chute together with axle sleeve the bottom of reference column 66, thereby make d-axis drive sector gear and bevel gear rotation, the rotation of two bevel gears can both make the controller contact do corresponding keying and left-right rotation is done.
Comprise a torsion spring 36 from return-to-zero mechanism, the torsion spring frame 35 at torsion spring 36 two ends is sleeved on d-axis 37 and the bent axle 15 and with d-axis, bent axle and rotates synchronously, torsion spring frame 35 by the circular base meal, perpendicular to the long and short cylinder of the hollow shape of base plate and by base plate tangentially the arm of force stretched of the court of a feudal ruler form, its circular base is distributed with a plurality of apertures for the insertion of torsion spring termination near pulling its periphery of upper edge, in order to regulate the torsional moment size.
Be separately fixed at the untie-sell 34 of d-axis, crankshaft end-face and be fixed on the arm of force separation both sides of the rationed marketing 33 of bearing pedestal 32 inboards two ends torsion spring frame, make d-axis, bent axle no matter forwards, backwards or left-right rotation can both drive the torsion spring frame and do rotation synchronously, thereby torsion spring is tightened, only could return-to-zero behind the active force of removing handle.
The fan-shaped steel plate 17 of gear mechanism is fixed as one with sector gear 16 setting-ins respectively, rotates synchronously with sector gear.
The contactor controller below is provided with and both can connects potentiometer or encoder or selsyn-type electric machine 24, can regulate the synchronous shaft joint of zero potential again arbitrarily, it comprises the top cover of fixing with lower cover 30, top cover is fixing with the shell 27 of sleeve-like again, bottom plate 26 forms by a circumferentially uniform head screw and shell and is rotatably connected, outer shell cavity is indoor to be provided with angular wheel shaft and the potentiometer of below or the left and right sides rotating shaft of encoder or selsyn-type electric machine that connecting shaft cover 28 connects the top, and by pressing plate 25 or screw.
The utility model universal link switch is provided in a side of in the drivers' cab, controls as the complete machine function operations.
The characteristics of the utility model universal link switch are the zero-bit mechanical lock mechanism of control crank to be used instead the zero-bit location hole 67 of movable rotation, thus make locking accurately, simple in structure again; Use instead hybridly from return-to-zero mechanism because of single handle, make the control crank can automatic reset to zero, again can be in a certain gear location, thus enlarged the scope of practical application; Fixedly use instead because of the dust cover bottom and to be nested with on the bracing frame of upper shell, overcome pull-back forces and wearing and tearing when lever operated, improved useful life, designs simplification is convenient to maintenance again; Because of gear mechanism changes mobilizable reference column into, then can change operation gear number arbitrarily, make the location easy and accurate; The design of shaft joint has synchronously made grade contactor controller realize stepless, contactless any-mode operation control; The design of connecting shaft cover can be eliminated handle finger axle and the directly wearing and tearing in the operation control procedure of bent axle chute, has both simplified technology, has improved useful life greatly again.
Claims (2)
1. universal link switch, it comprises a casing of being made up of upper box and lower box, described casing top is provided with control crank, described control crank is provided with the circuit control piece, be provided with the benchmark steel plate in the described casing, described benchmark steel plate top is provided with by the mechanical transmission mechanism of handling the bright control of hand, d-axis and bent axle that described mechanical transmission mechanism is provided with cross axle and axial line orthogonal distribution on same horizontal plane flexibly connect, described d-axis and crankshaft two end are bearing in a left side, in two bearing pedestals of right-hand member, described right-hand member bearing pedestal end is fixed with the sector gear from return-to-zero mechanism and band shifting-position mechanism respectively, described sector gear meshes the bevel gear that a transferring power is used, describedly comprise a torsion spring from return-to-zero mechanism, the torsion spring two ends are provided with the torsion spring frame and rotate synchronously with described d-axis and bent axle, the untie-sell of fixedlying connected of described d-axis and crankshaft end-face, a rationed marketing is fixed in described left shaft holder inboard; The fan-shaped steel plate and the described sector gear of described gear mechanism are fixed, and have a plurality of being arranged in the Long Circle hole on the radius on the described fan-shaped steel plate, constitute the gear feel with the spring latch lock that is located at described right bearing seat inboard and control with the sound; The below of described benchmark steel plate is provided with the contactor controller that is driven by mechanical transmission mechanism, described contactor controller below both was provided with and can connects potentiometer or encoder or selsyn-type electric machine, can regulate the synchronous shaft joint of zero potential again arbitrarily, synchronous shaft joint bag removable hatch cover, shell and bottom plate, described bottom plate and described shell are rotatably connected, the indoor connecting shaft cover that is provided with of described outer shell cavity, described connecting shaft cover connects the left and right sides rotating shaft of an angular wheel shaft and described potentiometer or encoder or selsyn-type electric machine, and by pressing plate and screw, it is characterized in that: described control crank comprises handball upper shell (61) and is inserted in the handball lower house (63) of described upper shell (61) below, described handball lower house (63) connects a hollow shape handle (3), described handball lower house (63) bottom is provided with a steady pin (60), described steady pin (60) pin joint one zero-bit reference column (66); Between described handball upper shell (61) and the described handball lower house (63) and in described handle (3) periphery one compression spring (62) is set, described bevel gear (21) top is provided with the zero-bit location hole (67) of a movable rotation that is connected with described angular wheel shaft (31); Described bevel gear (21) below is provided with an axle sleeve (70) that is connected with described angular wheel shaft (31), described axle sleeve (70) periphery connects that a positioning of rotating is recessed takes turns (69), and described positioning of rotating is recessed takes turns (69) outside and connect a reference column and spring (68).
2. universal link switch as claimed in claim 1, it is characterized in that: the outer envelope of described hollow shape handle (3) has dust cover (64), described upper box (6) upper fixed connects a dust cover bracing frame (65), and described dust cover (64) is nested with on described bracing frame (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101826 CN2789914Y (en) | 2005-04-22 | 2005-04-22 | Universal linkaging switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520101826 CN2789914Y (en) | 2005-04-22 | 2005-04-22 | Universal linkaging switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2789914Y true CN2789914Y (en) | 2006-06-21 |
Family
ID=36790249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520101826 Expired - Fee Related CN2789914Y (en) | 2005-04-22 | 2005-04-22 | Universal linkaging switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2789914Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333417C (en) * | 2005-04-22 | 2007-08-22 | 陶赧尔 | Universal link switch |
| CN110402476A (en) * | 2017-03-14 | 2019-11-01 | 阿尔卑斯阿尔派株式会社 | Switching device |
-
2005
- 2005-04-22 CN CN 200520101826 patent/CN2789914Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333417C (en) * | 2005-04-22 | 2007-08-22 | 陶赧尔 | Universal link switch |
| CN110402476A (en) * | 2017-03-14 | 2019-11-01 | 阿尔卑斯阿尔派株式会社 | Switching device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3850849T2 (en) | Electric vehicle converted to a computer. | |
| CN1239343C (en) | Working vehicle | |
| CN1330511C (en) | Special-purpose automobile chassis | |
| EP2844536A1 (en) | Vehicle drive control systems and the related vehicles | |
| JPH08500413A (en) | Continuously variable transmission | |
| CN206757921U (en) | Turning analogue means and chassis teaching aid | |
| CN2789914Y (en) | Universal linkaging switch | |
| CN201923233U (en) | Fully electric sheet carrier | |
| CN100382988C (en) | Auxiliary driving system apparatus for disabled people | |
| CN111557822B (en) | Combined type quick brake operating table base | |
| CN1333417C (en) | Universal link switch | |
| CN202985563U (en) | Manipulator | |
| CN100508854C (en) | Electric kitchen machine | |
| CN206217994U (en) | A kind of pilotless automobile steering wheel | |
| CN209278462U (en) | Two grades of mechanical transmission gear shifting actuating mechanisms and automatic mechanical transmission | |
| CN200969158Y (en) | Gear controller for automobile driving simulator | |
| CN2262290Y (en) | Combined universal gang switch | |
| CN208376917U (en) | A kind of single driving steering wheel type omnidirectional AGV vehicle | |
| CN110160729A (en) | A kind of differential mechanism shock table | |
| CN111301561A (en) | Omnidirectional vision intelligent vehicle convenient for secondary development | |
| CN106919219A (en) | A kind of human engineering control crank device | |
| CN2890005Y (en) | Electric and hand-operated dual-purpose jack for automobile | |
| CN206877198U (en) | A kind of human engineering control crank device | |
| CN216034760U (en) | Composite robot chassis device | |
| CN219487660U (en) | Tricycle reverse gear operating mechanism for foot operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |