CN115303349A - Switch device with emergency brake - Google Patents
Switch device with emergency brake Download PDFInfo
- Publication number
- CN115303349A CN115303349A CN202210931318.6A CN202210931318A CN115303349A CN 115303349 A CN115303349 A CN 115303349A CN 202210931318 A CN202210931318 A CN 202210931318A CN 115303349 A CN115303349 A CN 115303349A
- Authority
- CN
- China
- Prior art keywords
- switch
- emergency brake
- connecting rod
- switch box
- reset
- 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.)
- Granted
Links
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000001174 ascending effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0069—Control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0433—Braking mechanisms; Locking devices against movement foot operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0438—Braking mechanisms; Locking devices against movement hand operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/048—Hub brakes; drum brakes
Abstract
The invention discloses a switch device with an emergency brake, which comprises a switch box, a circuit board, an emergency brake switch and a switch button assembly, wherein the circuit board is positioned in the switch box and used for controlling a hub motor of a trolley, the emergency brake switch is positioned on the circuit board and used for triggering an emergency brake signal, the switch button assembly is positioned in the switch box and used for controlling the hub motor to act by adjusting current, the switch button assembly comprises a rotating shaft, a large gear, a small gear, a potentiometer and a potentiometer pressing plate, the rotating shaft penetrates through the switch box, the two ends of the rotating shaft are connected with switch buttons, the large gear is coaxially arranged with the rotating shaft, the small gear is meshed with the large gear, the potentiometer is coaxially arranged with the small gear and used as a current controller to adjust current and transmit the current to the circuit board, the potentiometer pressing plate is used for fixing the potentiometer in the switch box, the switch button is pressed, the rotating shaft rotates along with the switch button to drive the large gear to be meshed with the small gear, and the potentiometer rotates along with the small gear, and increases the current to control the hub motor to be started through the circuit board. The invention can realize stable current drive and emergency brake.
Description
Technical Field
The invention relates to an electric trolley, in particular to a switch device with an emergency brake.
Background
The electric trolley in the market at present is a trolley provided with a hub motor, and the trolley can work immediately after a power supply is switched on due to the hub motor, so that potential safety hazards are easily caused; meanwhile, when the trolley is located in an ascending or descending working state, if goods on the trolley are heavier or the motor drives the goods to work and is not controlled by an operator in the working process of ascending or descending, the operator is easily in a confused state at the moment, the operator possibly cannot step on the pedal or cannot find the pedal at any time, understandings certainly release the switch button to enable the motor not to work any more, and the motor cannot be stopped immediately due to certain inertia when stopped, so that accidents are easily caused.
Therefore, it is desired to solve the above problems.
Disclosure of Invention
The invention aims to: the invention aims to provide a switch device with an emergency brake, which can realize smooth driving.
The technical scheme is as follows: in order to achieve the purpose, the invention discloses a switch device with an emergency brake, which comprises a switch box, a circuit board, an emergency brake switch and a switch button assembly, wherein the circuit board is positioned in the switch box and used for controlling a wheel hub motor of a trolley, the emergency brake switch is positioned on the circuit board and used for triggering an emergency brake signal, the switch button assembly is positioned in the switch box and used for controlling the wheel hub motor to act by adjusting current, the switch button assembly comprises a rotating shaft, a large gear, a small gear, a potentiometer and a potentiometer pressing plate, the rotating shaft penetrates through the switch box, the two ends of the rotating shaft are connected with the switch button, the large gear is coaxially arranged with the rotating shaft, the small gear is meshed with the large gear, the potentiometer is coaxially arranged with the small gear and used as a current controller to adjust current and transmit the current to the circuit board, the potentiometer is fixed in the switch box, the switch button is pressed, the rotating shaft drives the large gear to be meshed with the small gear to rotate, and the potentiometer rotates together with the small gear, and increases the current to control the wheel hub motor to start through the circuit board.
Wherein, the rotating shaft is sleeved with a reset torsion spring, one end of the reset torsion spring is abutted against the switch box, and the other end of the reset torsion spring is inserted into the big gear; when the switch button is released, the large gear drives the small gear to rotate under the action of the resilience force of the reset torsion spring, the potentiometer rotates along with the small gear, and the current is reduced to control the hub motor to stop through the circuit board.
Preferably, the bull gear is sleeved on the rotating shaft and fixedly connected with the rotating shaft through a gear bolt.
Moreover, the potentiometer is provided with a rotating handle for penetrating the pinion, the rotating handle is provided with a connecting groove, a connecting sheet matched with the connecting groove is arranged in a central hole of the pinion, and the connecting sheet is inserted into the connecting groove; the side face of the pinion is provided with a fool-proof block for shielding the central hole.
Further, a brake component for triggering the emergency brake switch is arranged in the switch box, the brake component comprises a connecting rod pin fixed in the switch box and a key connecting rod which is arranged on the connecting rod pin in a penetrating manner and can rotate around the connecting rod pin, the key connecting rod comprises a fulcrum part sleeved on the connecting rod pin, a pressing part connected with the fulcrum part, a triggering part connected with the fulcrum part and used for triggering the emergency brake switch and a resetting part connected with the fulcrum sleeve, a reset spring is abutted between the resetting part and the switch box, when the pressing part rotates around the connecting rod pin under the action of external force, the triggering part and the resetting part rotate around the connecting rod pin together, the triggering part triggers the emergency brake switch, and the resetting part compresses the reset spring; and when the external force is removed, the reset part rotates around the connecting rod pin under the action of the resilience force of the reset spring, the trigger part and the pressing part are driven to rotate around the connecting rod pin together, the trigger part is separated from the emergency brake switch, and the pressing part resets.
Preferably, be provided with on the switch box and be used for the cover to establish reset spring's the post that resets and be used for butt reset spring's spacing groove, set up the groove that resets that is used for butt reset spring in the portion that resets.
And moreover, the switch box is provided with a pair of connecting rod positioning columns which are arranged at intervals and used for placing the connecting rod pins, threaded holes and positioning grooves used for positioning the connecting rod pins are formed in the connecting rod positioning columns, two ends of the connecting rod pins are placed in the positioning grooves respectively, and the connecting rod pins are fixed in the connecting rod positioning columns by penetrating fixing bolts in the threaded holes.
Further, the switch box includes the switch box upper cover and the switch box lower cover that open and shut the setting relatively, and the switch box upper cover includes main box upper cover and semicircle upper cover, and the switch box lower cover includes main box lower cover and semicircle lower cover, and wherein semicircle upper cover and semicircle lower cover are constituteed to be convenient for the cover and are established the hollow lid on pushing away the frame, connect through the sealing washer between main box upper cover and the main box lower cover and form the closed cavity, and circuit board and switch button subassembly all are located the closed cavity.
Preferably, fulcrum portion, trigger part and the portion that resets all are located main box upper cover, press the splenium from extending to in the semicircle upper cover in the main box upper cover, cover on the main box and wear to establish and press splenium department to be provided with the cardboard that is used for sealing.
Furthermore, an emergency brake button matched with the pressing part is arranged on the semicircular arc upper cover, and the pressing part is driven to move together when the emergency brake button is pressed down.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the small trolley hub motor works step by step through the potentiometer, the circuit board and the switch button assembly, and the working state of the small trolley is always in a manual control state; when the small handcart runs into emergency such as going up, downhill path in the transportation, trigger urgent brake button through the brake subassembly, make the circuit board send urgent brake signal, make the small handcart realize interim brake state, the rethread is stepped on the brake, realizes that wheel hub holds the function tightly, in time brakes.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the switch button assembly of the present invention;
FIG. 4 is an exploded view of the switch button assembly of the present invention;
FIG. 5 is a schematic structural view of the brake assembly of the present invention in an initial state;
FIG. 6 is a schematic structural view of the brake assembly according to the present invention in a pressed state;
FIG. 7 is a schematic view of a key link according to the present invention;
FIG. 8 is a schematic view of the installation of the brake assembly of the present invention;
fig. 9 is a schematic structural view of the electric cart according to the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in fig. 9, the electric cart according to the present invention comprises a cart frame, a roller, a service brake device for service brake, a wheel hub motor 23 for driving the cart to move, and a switch device provided on the cart frame for driving the wheel hub motor smoothly, wherein the service brake device, the cart frame, the roller and the wheel hub motor are all of the prior art.
As shown in fig. 1 and fig. 2, the switch device includes a switch box 1, a circuit board 2, an emergency brake switch 3 and a switch button assembly, the switch box 1 includes a switch box upper cover and a switch box lower cover which are oppositely opened and closed, the switch box upper cover includes a main box upper cover 106 and a semi-circular arc upper cover 107, the switch box lower cover includes a main box lower cover 108 and a semi-circular arc lower cover 109, wherein the semi-circular arc upper cover 107 and the semi-circular arc lower cover 109 are combined into a hollow cover which is convenient for being sleeved on the cart frame, the main box upper cover 106 and the main box lower cover 108 are connected through a sealing ring to form a closed cavity, and the circuit board 2 and the switch button assembly are both located in the closed cavity. The invention realizes the work of the wheel hub motor of the small trolley step by step through the potentiometer and the circuit board, and the working state of the small trolley is always in a manual control state; when the small handcart meets emergency conditions such as ascending and descending in the transportation process, an emergency braking signal is sent to the hub motor through the circuit board, so that the small handcart achieves a temporary braking state, and then the hub is tightly held through pedal braking, and braking is performed in time. According to the invention, after the power supply button is started, if the two switch buttons are not toggled in a short time, the trolley can not act, the power supply is automatically turned off, and the safety performance is higher.
The circuit board 2 is provided with an emergency brake switch 3, a power control switch 18, an indicator lamp control switch 19, a potentiometer interface, a power indicator lamp interface and a motor controller interface, the circuit board 2 is electrically connected with the motor controller through the motor controller interface to control the opening and closing of the hub motor, the emergency brake switch 3 is pressed to trigger the circuit board 2 to output an emergency brake signal to the motor controller, the hub motor is stopped emergently, and the hub locking is achieved. The button panel of the switch box upper cover is provided with a power switch button 20 corresponding to the power control switch, a power indicator lamp 21 and a power indicator lamp switch button 22 corresponding to the indicator lamp control switch.
As shown in fig. 3 and 4, the switch button assembly can control the hub motor to smoothly start and stop by adjusting the current to control the hub motor to act, the switch button assembly comprises a switch button 4, a rotating shaft 5, a gearwheel 6, a pinion 7, a potentiometer 8, a potentiometer pressing plate 9, a reset spring 10 and a gear bolt 11, wherein the rotating shaft 5 transversely penetrates through a lower cover of a switch box of the switch box, two ends of the rotating shaft 5 are respectively connected with the switch button 4, the switch button 4 is of a hand pedal structure, and the gearwheel 6 is sleeved on the rotating shaft 5 and is coaxially and fixedly connected with the rotating shaft through the gear bolt 11. The small gear 7 is externally engaged with the large gear 6, the potentiometer pressing plate 9 is fixed on the switch box through a bolt, a through hole 901 for the potentiometer 8 to penetrate through and a positioning hole 902 for preventing the potentiometer 8 from rotating are formed in the potentiometer pressing plate 9, the potentiometer 8 penetrates through the through hole 901 in the potentiometer pressing plate 9, and meanwhile the positioning block 803 in the potentiometer 8 is inserted into the positioning hole 902 in the potentiometer pressing plate 9. The potentiometer 8 is also provided with a rotating handle 801 for penetrating the pinion 7, the rotating handle 801 is provided with a connecting groove 802, a connecting sheet 701 matched with the connecting groove 802 is arranged in a central hole of the pinion 7, and the connecting sheet 701 is inserted into the connecting groove 802; the side of the pinion 7 is provided with a fool-proof block 702 blocking the center hole. The rotating shaft 5 is sleeved with a reset torsion spring 10, one end of the reset torsion spring 10 abuts against the abutting block 110 of the switch box 1, and the other end of the reset torsion spring 10 is inserted into the hole of the large gear 6. According to the invention, the switch button 4 is pressed, the rotating shaft 5 rotates along with the switch button 4 to drive the large gear 6 and the small gear 7 to rotate in a meshed manner, the potentiometer 8 rotates along with the small gear 7, and the current is gradually increased to control the hub motor to start through the circuit board 2; when the switch button 4 is loosened, the large gear 6 drives the small gear 7 to rotate under the action of the resilience force of the reset torsion spring 10, the potentiometer 8 rotates along with the small gear 7, and the current is gradually reduced to control the hub motor to stop through the circuit board 2.
The power switch button on the switch box cover is pressed to enable the small trolley to be in a power-on state, the small trolley does not work at the moment, one hand is used for pressing the switch button, the single-side switch button can be pressed by the left hand or the right hand according to the habit of an operator, the switch buttons on two sides can also be pressed by two hands, the rotating shaft rotates along with the switch button, the large gear on the rotating shaft rotates along with the rotating shaft, the large gear is meshed with the small gear, the small gear is installed on the potentiometer, the switch button is rotated to rotate the rotating handle of the potentiometer, the potentiometer is used as a current controller, and the motor starts to work along with the gradual increase of current; if the small handcart is stopped, a hand pressing the switch button is removed, the switch button is reset under the action of the reset torsion spring, the small gear is driven by the large gear to rotate, the current of the potentiometer is gradually reduced until the current disappears, and the small handcart stops working. At the moment, in order to accelerate the stop of the small handcart, the pedal can be stepped on by feet, so that the hub can be tightly held.
As shown in fig. 5 and 6, a brake assembly for triggering the emergency brake switch 3 is provided in the switch box 1, and includes a link pin 12, a key link 13, a return spring 14, a fixing bolt 15, a catch plate 16, and an emergency brake button 17. As shown in fig. 8, the link pin 12 is fixed in the switch box, the switch box 1 has a pair of link positioning posts 103 spaced apart from each other and used for placing the link pin 12, the link positioning posts 103 are provided with threaded holes 104 and positioning grooves 105 for positioning the link pin, two ends of the link pin 12 are respectively placed in the positioning grooves 105, and the link pin 12 is fixed on the link positioning posts 103 by inserting fixing bolts 15 into the threaded holes 104. The key link 13 is inserted into the link pin 12, the key link 13 can rotate around the link pin, as shown in fig. 7, the key link 13 includes a fulcrum portion 1301, a pressing portion 1302, a triggering portion 1303 and a reset portion 1304, wherein the pressing portion 1302 and the triggering portion 1303 are oppositely disposed to form a seesaw-like structure with the fulcrum portion 1301 as a fulcrum; the fulcrum portion 1301 is sleeved on the connecting rod pin 12, the pressing portion 1302, the triggering portion 1303 and the resetting portion 1304 are connected with the fulcrum portion 1301, and the triggering portion 1303 is used for triggering the emergency brake switch 3 to enable the circuit board to send out an emergency brake signal. The reset part 1304 is abutted with the reset spring 14 and the switch box 1, the switch box 1 is provided with a reset column 101 for sleeving the reset spring 14 and a limit groove 102 for abutting against the reset spring 14, and the reset part 1304 is provided with a reset groove 1305 for abutting against the reset spring 14. The trigger part 1303 is provided with a contact boss 1306, the contact boss 1306 abuts against an emergency brake switch on the circuit board in the rotating process of the trigger part 1303, the emergency brake switch is pressed down, and the trolley realizes temporary braking. The fulcrum portion 1301, the triggering portion 1303 and the resetting portion 1304 are located in the main box upper cover 106, the pressing portion 1302 extends into the semi-arc upper cover 107 from the main box upper cover 106, and a clamping plate 16 for sealing is arranged on the main box upper cover 106 in a penetrating mode at the position where the pressing portion 1302 is located. The semicircular arc upper cover 107 is provided with an emergency brake button 17 matched with the pressing part 1302, and when the emergency brake button 17 is pressed down, the pressing part 1302 is driven to move together. When the small handcart is in an uphill or downhill working state, if goods on the small handcart are heavy, the motor does not drive the goods to work and is not controlled by an operator, the operator is in a panic state at the moment, the operator may not step on the pedal at once or cannot find the pedal at a moment, the understandings are determined that the switch button is loosened to stop the motor from working, and the emergency brake button near the switch button is pressed, so that the buttons of the switch device are symmetrical, the force is large under the panic condition, and the emergency brake button is arranged in the middle of the switch upper box and is positioned on a handle of the small handcart. When the trolley needs to be stopped in case of temporary situations or emergency situations (such as overturning situations), the trolley can be stopped and does not act by pressing the emergency brake button with a hand and not being loosened, and electronic braking is realized through the circuit board at the moment.
In the invention, when an operator presses down the emergency brake button 17, and the pressing part 1302 rotates around the connecting rod pin 12 under the action of an external force, the triggering part 1303 and the resetting part 1304 rotate around the connecting rod pin 12 together, the triggering part 1303 triggers the emergency brake switch 3, and the resetting part 1304 compresses the resetting spring 14; the emergency brake switch 3 triggers an emergency brake signal, the trolley realizes temporary braking, and a brake pedal is stepped at the brake of the temporary stopping action of the trolley, so that the trolley stops completely. The operator disengages from the emergency brake button 17, cancels the external force, the reset part 1304 rotates around the connecting rod pin 12 under the action of the resilience force of the reset spring 14, drives the trigger part 1303 and the pressing part 1302 to rotate around the connecting rod pin 12 together, the trigger part 1303 disengages from the emergency brake switch 3, the pressing part 1302 resets, the pedal plate is released, and the small handcart recovers all original functions.
Claims (10)
1. A switch device with an emergency brake, characterized in that: including switch box (1), be located the switch box and be used for controlling circuit board (2) of shallow in-wheel motor, be located the switch box on be used for triggering urgent brake signal urgent brake switch (3) and be located the switch box and through adjusting the switch button subassembly of current control in-wheel motor action, the switch button subassembly is including passing the switch box and be connected with axis of rotation (5) of shift knob (4) at both ends head, gear wheel (6) with the coaxial setting of axis of rotation, pinion (7) with gear wheel engaged with, with the coaxial setting of pinion and as potentiometre (8) of current controller regulation current transmission to circuit board and be used for being fixed in potentiometre clamp plate (9) in the switch box with the potentiometre, push button (4), axis of rotation (5) rotate along with switch button (4), drive gear wheel (6) and pinion (7) engaged with and rotate, potentiometre (8) are along with pinion (7) together to increase current controls in-wheel motor and starts through circuit board (2).
2. The switching device with emergency brake of claim 1, wherein: a reset torsion spring (10) is sleeved on the rotating shaft (5), one end of the reset torsion spring (10) is abutted against the switch box (1), and the other end of the reset torsion spring (10) is inserted into the large gear (6); when the switch button (4) is loosened, the large gear (6) drives the small gear (7) to rotate under the action of the resilience force of the reset torsion spring (10), the potentiometer (8) rotates along with the small gear (7), and the current is reduced to control the hub motor to stop through the circuit board (2).
3. The switching device with emergency brake of claim 1, wherein: the bull gear (6) is sleeved on the rotating shaft (5) and fixedly connected with the rotating shaft through a pinion bolt (11).
4. The switching device with emergency brake of claim 1, wherein: the potentiometer (8) is provided with a rotating handle (801) used for penetrating the pinion (7), the rotating handle (801) is provided with a connecting groove (802), a connecting piece (701) matched with the connecting groove (802) is arranged in a central hole of the pinion (7), and the connecting piece (701) is inserted into the connecting groove (802); the side surface of the pinion (7) is provided with a fool-proof block (702) for shielding the central hole.
5. The switching device with emergency brake of claim 1, wherein: the emergency brake switch is characterized in that a brake component for triggering the emergency brake switch (3) is arranged in the switch box (1), the brake component comprises a connecting rod pin (12) fixed in the switch box and a key connecting rod (13) which is arranged on the connecting rod pin in a penetrating manner and can rotate around the connecting rod pin, the key connecting rod (13) comprises a fulcrum part (1301) sleeved on the connecting rod pin, a pressing part (1302) connected with the fulcrum part, a triggering part (1303) connected with the fulcrum part and used for triggering the emergency brake switch, and a resetting part (1304) connected with the fulcrum sleeve, a reset spring (14) is connected between the resetting part (1304) and the switch box (1) in a butting manner, when the pressing part (1302) rotates around the connecting rod pin (12) under the external force action, the triggering part (1303) and the resetting part (1304) rotate around the connecting rod pin (12) together, the triggering part (1303) triggers the emergency brake switch (3), and the resetting part (1304) compresses the reset spring (14); when the external force is removed, the reset part (1304) rotates around the connecting rod pin (12) under the action of the resilience force of the reset spring (14), the trigger part (1303) and the pressing part (1302) are driven to rotate around the connecting rod pin (12) together, the trigger part (1303) is separated from the emergency brake switch (3), and the pressing part (1302) resets.
6. The switch device with emergency brake of claim 5, wherein: the switch box (1) is provided with a reset column (101) used for sleeving the reset spring (14) and a limit groove (102) used for abutting against the reset spring (14), and the reset part (1304) is provided with a reset groove (1305) used for abutting against the reset spring (14).
7. The switching device with emergency brake of claim 5, wherein: the switch box (1) is provided with a pair of connecting rod positioning columns (103) which are arranged at intervals and used for placing the connecting rod pins (12), the connecting rod positioning columns (103) are provided with threaded holes (104) and positioning grooves (105) used for positioning the connecting rod pins, two ends of the connecting rod pins (12) are placed in the positioning grooves (105) respectively, and the connecting rod pins (12) are fixed on the connecting rod positioning columns (103) through fixing bolts (15) which penetrate through the threaded holes (104).
8. The switching device with emergency brake of claim 5, wherein: switch box (1) is including the switch box upper cover and the switch box lower cover that open and shut the setting relatively, switch box upper cover is including main box upper cover (106) and semicircle upper cover (107), switch box lower cover is including main box lower cover (108) and semicircle lower cover (109), wherein semicircle upper cover (107) and semicircle lower cover (109) make up into the cover and establish the hollow cover on pushing away the frame of being convenient for, connect through the sealing washer between main box upper cover (106) and main box lower cover (108) and form the closed cavity, circuit board (2) and switch button subassembly all are located the closed cavity.
9. The switching device with emergency brake of claim 8, wherein: fulcrum portion (1301), trigger portion (1303) and reset portion (1304) all lie in main box upper cover (106), press portion (1302) to extend to in semi-circular arc upper cover (107) from main box upper cover (106), wear to establish on main box upper cover (106) and press portion (1302) department to be provided with cardboard (16) that are used for sealing.
10. The switch device with emergency brake of claim 9, wherein: an emergency brake button (17) matched with the pressing part (1302) is arranged on the semicircular arc upper cover (107), and the pressing part (1302) is driven to move together when the emergency brake button (17) is pressed down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210931318.6A CN115303349B (en) | 2022-08-04 | 2022-08-04 | Switch device with emergency brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210931318.6A CN115303349B (en) | 2022-08-04 | 2022-08-04 | Switch device with emergency brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115303349A true CN115303349A (en) | 2022-11-08 |
| CN115303349B CN115303349B (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210931318.6A Active CN115303349B (en) | 2022-08-04 | 2022-08-04 | Switch device with emergency brake |
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| CN (1) | CN115303349B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006102003A (en) * | 2004-10-01 | 2006-04-20 | Suzuki Motor Corp | Emergency stop device for small-size electric vehicle |
| JP2010208413A (en) * | 2009-03-09 | 2010-09-24 | Suzuki Motor Corp | Emergency stop mechanism for electric vehicle |
| CN102315713A (en) * | 2010-07-01 | 2012-01-11 | 江苏金飞达电动工具有限公司 | Motor handle |
| CN103072615A (en) * | 2012-02-16 | 2013-05-01 | 中山市隆成日用制品有限公司 | Inductive braking system for bassinet |
| CN105946915A (en) * | 2016-04-29 | 2016-09-21 | 华中农业大学 | Hand electric light type carrying trolley based on hub motors and controller |
| CN205661490U (en) * | 2016-05-27 | 2016-10-26 | 浙江工业职业技术学院 | Dual -purpose carrier loader of portable level land corridor |
| CN207416926U (en) * | 2017-09-29 | 2018-05-29 | 郑州电力高等专科学校 | A kind of logistic car for automatic braking of loosing one's grip |
| EP3428039A2 (en) * | 2017-05-19 | 2019-01-16 | Ningbo Ruyi Joint Stock Company, Ltd. | Forklift |
| CN111908379A (en) * | 2020-07-14 | 2020-11-10 | 浙江海蜜机械有限公司 | Dual-purpose functional full-electric pallet truck |
| US20210039702A1 (en) * | 2019-08-08 | 2021-02-11 | Makita Corporation | Handcart |
| CN212738241U (en) * | 2020-07-02 | 2021-03-19 | 格力博(江苏)股份有限公司 | Electric cart |
| KR102324477B1 (en) * | 2021-01-25 | 2021-11-10 | 이노브 주식회사 | Electric wagon for guardian to ride |
| CN215284930U (en) * | 2020-12-31 | 2021-12-24 | 成都中车四方轨道车辆有限公司 | Novel storage battery transfer trolley |
| CN114104059A (en) * | 2021-12-31 | 2022-03-01 | 大连工业大学 | Intelligent interactive shopping cart and management platform |
-
2022
- 2022-08-04 CN CN202210931318.6A patent/CN115303349B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006102003A (en) * | 2004-10-01 | 2006-04-20 | Suzuki Motor Corp | Emergency stop device for small-size electric vehicle |
| JP2010208413A (en) * | 2009-03-09 | 2010-09-24 | Suzuki Motor Corp | Emergency stop mechanism for electric vehicle |
| CN102315713A (en) * | 2010-07-01 | 2012-01-11 | 江苏金飞达电动工具有限公司 | Motor handle |
| CN103072615A (en) * | 2012-02-16 | 2013-05-01 | 中山市隆成日用制品有限公司 | Inductive braking system for bassinet |
| CN105946915A (en) * | 2016-04-29 | 2016-09-21 | 华中农业大学 | Hand electric light type carrying trolley based on hub motors and controller |
| CN205661490U (en) * | 2016-05-27 | 2016-10-26 | 浙江工业职业技术学院 | Dual -purpose carrier loader of portable level land corridor |
| EP3428039A2 (en) * | 2017-05-19 | 2019-01-16 | Ningbo Ruyi Joint Stock Company, Ltd. | Forklift |
| CN207416926U (en) * | 2017-09-29 | 2018-05-29 | 郑州电力高等专科学校 | A kind of logistic car for automatic braking of loosing one's grip |
| US20210039702A1 (en) * | 2019-08-08 | 2021-02-11 | Makita Corporation | Handcart |
| CN212738241U (en) * | 2020-07-02 | 2021-03-19 | 格力博(江苏)股份有限公司 | Electric cart |
| CN111908379A (en) * | 2020-07-14 | 2020-11-10 | 浙江海蜜机械有限公司 | Dual-purpose functional full-electric pallet truck |
| CN215284930U (en) * | 2020-12-31 | 2021-12-24 | 成都中车四方轨道车辆有限公司 | Novel storage battery transfer trolley |
| KR102324477B1 (en) * | 2021-01-25 | 2021-11-10 | 이노브 주식회사 | Electric wagon for guardian to ride |
| CN114104059A (en) * | 2021-12-31 | 2022-03-01 | 大连工业大学 | Intelligent interactive shopping cart and management platform |
Non-Patent Citations (1)
| Title |
|---|
| 陈俊杰;蒋猛;叶进;邹振宇;钟志伟;: "一种手推-跨骑互变式结构两轮车的结构设计", 西南师范大学学报(自然科学版), no. 02, pages 135 - 140 * |
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| CN115303349B (en) | 2024-02-02 |
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