CN210000345U

CN210000345U - Power auxiliary device and handcart with same

Info

Publication number: CN210000345U
Application number: CN201920362812.9U
Authority: CN
Inventors: 郑荣贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-07
Filing date: 2019-03-21
Publication date: 2020-01-31
Anticipated expiration: 2029-03-21
Also published as: TWM582010U

Abstract

A power assisting device and a handcart with the power assisting device, which is used to solve the problems of high cost and difficult modification of the existing electric handcart, comprises transmission parts fixedly combined with the wheel spokes of 1 handcart wheels through 0 positioning rings, 2 driving modules, 5 connecting parts with 3 driving parts and 4 linking parts of the transmission parts which can be linked respectively, wherein the driving parts are combined with 6 power elements, 7 bearing modules are provided with 9 supporting parts pivoted on 8 second supporting parts and 0 adjusting screws, the adjusting screws are positioned at the opposite side of the pivoted part of the supporting parts and the second supporting parts, the supporting parts are fixed on the wheel shaft and the frame of the handcart, the power elements are fixed at the end of the second supporting parts far away from the supporting parts, the power elements are electrically connected with power supplies to form power supply circuits, and the handcart can be frames.

Description

Power auxiliary device and handcart with same

Technical Field

The utility model relates to an kind of dollies, especially relate to kind of dollies that have power auxiliary device and this power auxiliary device.

Background

Please refer to fig. 1, which shows kinds of conventional cart 9, in the process of transporting goods, wheels 91 and two holding portions 92 support the load weight of the conventional cart 9, brackets 93 connect the wheels 91 and the two holding portions 92, the brackets 93 can carry goods or mount trays, an operator applies an upward force to the two holding portions 92, the weight can be shared by the lever principle, and the two holding portions 92 and the brackets 93 push the wheels 91 to roll forward or backward by a lateral force, so as to achieve the effect of moving the goods.

The conventional cart 9 can travel on a narrow and rugged terrain by moving with a single wheel, but the conventional cart 9 must be balanced by an extra force in addition to providing a power for traveling, and when traveling on an excessively inclined ground or carrying an excessively heavy load, a larger power must be applied to resist gravity, so that the conventional cart 9 is difficult to advance when ascending a slope, and is difficult to decelerate when descending a slope, thereby reducing its practicality. In addition, the cart can be changed into two wheels to easily achieve balance, but the cart cannot be used in narrow environments, resistance from the ground is increased, the cart cannot be used in rugged or muddy terrain, and the effect of saving labor cannot be achieved.

The power device, such as a motor, can be used for assisting the cart to move by supplying additional power through electric power so as to reduce the manpower consumption, but the price of the existing electric truck is higher than that of the -type cart and is difficult to be generally applied.

In view of the above, there is a need for an improved cart with the power assist device and the power assist device.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide power assist devices, which can be installed quickly, save material cost, and be suitable for various sizes of carts.

An object of the utility model is to provide kinds of power auxiliary device, have the buffering and start and brake the function, and promote the safety in utilization.

The utility model discloses an other aims at providing kinds of handcart that has this power auxiliary device to power supply auxiliary power, and convenient switching control.

The utility model discloses a power auxiliary device, including driving medium, linkage portion and locating ring that have been located sleeve both ends respectively, the wheel axle of wheel passes through this sleeve, and the locating ring of this driving medium fixedly combines in spoke of this wheel, drive module, connecting pieces that have the linkage portion that can link up driving parts and this linkage portion of this driving medium respectively, this driving part can combine in 8 power component with synchronous operation, and bears the weight of the module, have number number support piece, pin joint in 465 number second support piece of 1 number of cylinder, and number of.

Therefore, the utility model discloses a power auxiliary device and have this power auxiliary device's handcart to this driving medium is fixed in the spoke of wheel, and should bear the weight of the module through adjustable kenel and combine in the frame, reaches simple installation, material cost low, and is applicable to effects such as handcart of various sizes.

The transmission part is provided with a plurality of positioning holes which are annularly arranged on the positioning ring at equal intervals, and the positioning holes are correspondingly locked on a plurality of alignment holes on the spoke of the wheel. Therefore, the transmission part can be stably combined with the wheel, and the effect of improving the transmission efficiency of the auxiliary power is achieved.

Wherein, each locating hole is an oblong extending along the radial direction of the locating ring. So, these a plurality of locating holes can correspond the counterpoint hole of different spacing distance, have the effect that is applicable to the spoke of different size of a dimension.

The connecting piece is a chain or a belt, the driving part and the linkage part are gear discs, and the connecting piece is wound on the gear teeth of the driving part and the linkage part respectively. Therefore, the driving part and the linkage part can synchronously rotate, and the effect of providing the power for the wheel traveling or the brake is achieved.

Wherein, the power element is a DC electric motor, and the power supply is a rechargeable battery. Therefore, the power element is driven by electric power and is convenient to switch and control, and the power supply is easy to carry and can be reused, thereby having the effects of reducing the element cost and improving the application range.

The utility model discloses a power auxiliary device, still include power module, this power module has this power and sets up switching circuit in this power supply circuit, this switching circuit has 0 relay switch, 1 two change over switch, 2 current-limiting element and 3 single change over switch, this relay switch is the corresponding electrode of this power component of electric connection and this power respectively, pole electric connection this power component's another electrodes of this two change over switch, of this two change over switch's third th throw point electric connection this power in addition electrodes, second throw point electric connection this current-limiting element of this two change over switch and this single change over switch, this current-limiting element's another end electric connection is between this relay switch and this power component, this single change over switch's another end electric connection is in this relay switch and this power brake, this single change over switch coupling connection this relay switch, this power switch can change over circuit and the switching circuit and can the safe auxiliary function operation that promotes easily.

After the single-switch is turned on for buffering times, the relay switch is turned on, so that the power element is started to operate with a small current, and the trolley is prevented from rushing out.

Thus, when the switch circuit stops working, the main switch can completely cut off the power supply current, and the switch circuit has the effect of avoiding power waste caused by false touch.

The power supply module is provided with th switching pieces and second switching pieces, the th switching piece is coupled and connected with the double-switching switch, and the second switching piece is coupled and connected with the single-switching switch.

The th switching piece and the second switching piece are respectively positioned on the two holding parts of the frame, thus the handcart and the switching loop can be operated simultaneously, and the effect of improving the use convenience is achieved.

Drawings

Fig. 1 is a drawing of prior art carts.

Fig. 2 is a partially exploded perspective view of preferred embodiments of the present invention.

Fig. 3 is an exploded perspective view of preferred embodiments of the present invention.

Fig. 4 is a circuit diagram of power supply circuits according to a preferred embodiment of the present invention.

Fig. 5 is a side view of preferred embodiments of the present invention.

Fig. 6 is an enlarged view of the operation shown in fig. 5.

Fig. 7 is a side view of another preferred embodiments of the present invention.

Description of the reference numerals

(the utility model)

1 Transmission part

11 linkage part

12 positioning ring

13 sleeve

14 positioning hole

2 drive module

21 connecting piece

22 active part

23 power element

3 Power supply module

31 power supply

32 switching loop

321 relay switch

322 double-switching switch

323 current limiting element

324 single-switch

325 master switch

33 th switching piece

34 second switching piece

4 bearing module

41 st support

42 second support

43 adjusting screw

44 load part

W wheel

F frame

A wheel axle

H spoke

C alignment hole

G-shaped holding part

(Prior Art)

9 hand cart

91 wheel

92 holding part

93 support frame.

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail as follows:

the use of the term "" for elements and components throughout the disclosure is for convenience only and provides a general sense of the scope of the disclosure, and should be read to include or at least , and the concept of a single also includes plural unless it is obvious that other meanings are intended.

The present invention relates to a method for manufacturing a semiconductor device, and more particularly to a method for manufacturing a semiconductor device, which can be used for manufacturing a semiconductor device, and a semiconductor device manufactured by the method.

Please refer to fig. 2 and fig. 3, which illustrate a preferred embodiment of the power assisting device of the present invention, including driving members 1, driving modules 2, power supply modules 3 and carrying modules 4, wherein the driving member 1 is combined with wheels W of trolleys, the driving member 1 is connected to the driving member 2, the power supply module 3 is electrically connected to the driving module 2, the carrying modules 4 are combined with frames F of the trolley, and the driving module 2 and the power supply module 3 are assembled to the carrying modules 4.

Referring to fig. 2, the driving member 1 is located at two ends of sleeves 13 through linking portions 11 and positioning rings 12, wheel axles a of the wheel W can pass through the sleeves 13 from the end of the positioning rings 12 to the end of the linking portions 11, so that the driving member 1 uses the wheel axles a as a central axis, the driving member 1 has a plurality of positioning holes 14 annularly arranged on the positioning rings 12 at equal intervals, the positioning holes 14 correspond to the alignment holes C on spokes H of the wheel W, each positioning hole 14 is locked to each corresponding alignment hole C, so that the driving member 1 is fixed to the spokes H, so that the driving member 1 and the wheel W can rotate synchronously around a common rotation axis, in addition, each positioning hole 14 is preferably an oblong shape elongated in a radial direction of the positioning rings 12, the positioning holes 14 can be adapted to spokes H of different sizes, as shown in fig. 3, so that the wheel W can be combined with the frame F to assemble trolleys from the wheel axles a.

Referring to fig. 3, the driving module 2 is connected to driving parts 22 and the linking parts 11 through connecting pieces 21, the driving parts 22 are synchronously coupled to power elements 23, wherein the connecting pieces 21 can be chains or belts, the driving parts 22 and the linking parts 11 can be gear discs, and the power elements 23 can be dc electric motors, so that the connecting pieces 21 are respectively wound around the gear teeth of the driving parts 22 and the linking parts 11, when the power elements 23 are started, the driving parts 22 can be driven to rotate, and the linking parts 11 are driven to synchronously rotate through the connecting pieces 21, so that the wheels W obtain auxiliary power for rolling movement.

The power supply module 3 is electrically connected to the power element 23 through power sources 31 to form power supply loops, the power source 31 is preferably a rechargeable battery, the power source 31 can be reused and conveniently mounted on the cart for being used in various working environments, in addition, the power supply module 3 can also be provided with switching loops 32, the switching loops 32 are electrically connected to the power source 31 and the power element 23, so that the switching loops 32 are combined with the power supply loops, the switching loops 32 can switch the power supply state of the power source 31 and the operation state of the power element 23, the switching loops 32 can also be respectively coupled to switching pieces 33 and second switching pieces 34, the switching pieces 33 and the second switching pieces 34 are preferably located at two holding parts G of the cart, when a user holds the two holding parts G, the cart can be operated and the power element 23 can be switched at the same time to obtain auxiliary power.

Referring to fig. 4, the switching circuit 32 is electrically connected to the power element 23 and the corresponding electrodes of the power source 31 (both being positive electrodes or both being negative electrodes) through relay switches 321, and is electrically connected to the other electrodes of the power element 23 through poles P of double switches 322, th throw point T1 of the double switches 322 is electrically connected to the other electrodes of the power source 31, second throw point T2 of the double switches 322 is electrically connected to current limiting elements 323 and single switches 324, the other end of the current limiting element 323 is electrically connected between the relay switch 321 and the power element 23, the other end of the single switch 324 is electrically connected between the relay switch 321 and the power source 31, when the single switch 324 is turned on, the relay switch 321 may be turned on after buffering times, the switching circuit may be set to have another energy consumption when the switching circuit is turned on, the switching circuit may be set as a series connection of the auxiliary switch 325, and may avoid unnecessary power consumption when the relay switch 324 is turned on, the auxiliary switch 325 is not needed.

Referring to fig. 3 and 4, the -th switching element 33 can be coupled to the dual-switching switch 322, the -th switching element 33 controls the pole P to conduct the -th throw point T1 to enter power supply modes, and controls the pole P to conduct the second throw point T2 to enter brake modes, and the second switching element 34 can be coupled to the relay switch 321 and the single-switching switch 324, and controls the single-switching switch 324 and the relay switch 321 to be sequentially conducted to enter power assist modes through the second switching element 34.

Referring to fig. 3, the carrier module 4 is pivotally connected to second supporting members 42 through second supporting members 41, so that adjustable elevation angles are provided between the 1 supporting members 41 and the second supporting members 42, in this embodiment, both ends of adjusting screws 43 are respectively connected to the supporting members 41 and the second supporting members 42 located at both sides of the elevation angle, and the elevation angle can be changed by screwing in or out the adjusting screws 43, the present invention is not limited thereto, in addition, the th supporting member 41 is fixed to the axle a of the wheel W and the frame F of the cart frame F, so that the th supporting member 41 is fixed to the frame F, and the wheel W and the transmission member 1 can rotate relative to the supporting members 41 and the frame F, the power element 23 is fixed to the end of the second supporting member 42 far from the supporting members 41, so that the power element 23 can drive the supporting member 22 relative to the second supporting members 41 when operating, and the power element 23 is fixed to the cart frame F by the active supporting members 23, and the active supporting members can be connected to the cart frame F of the cart frame F by two active supporting members 36, and the cart frame F, the cart supporting members 41 can be adjusted by adjusting the height of the active lifting mechanism of the cart frame F, and the cart can be adjusted by adjusting the active lifting mechanism 7U 38 when the two cart frame F, the cart frame F is not adjusted by the two upright U19.

The carrying module 4 may further have carrying portions 44 for accommodating the power source 31 and carrying the power supply circuit and the switching circuit 32, in this embodiment, the carrying portions 44 are trays, the carrying portions 44 are respectively connected to the supporting members 41 and the frame F, so as to ensure that the power source 31 is kept stable during the moving process and improve the stability between the supporting members 41 and the frame F, which is not limited by the present invention.

Referring to fig. 3 and 4, with the above structure, when the operator of the cart applies force to the two holding portions G to control the movement of the cart, the operator can also switch various modes of the power module 3 by touching the th switching element 33 and the second switching element 34 located at the two holding portions G, wherein the th switching element 33 can be used as a brake button, when the th switching element 33 is not triggered, the power element 23 and the power source 31 are conducted to be in the power supply mode, the power source 31 supplies energy for the rotation of the power element 23, when the th switching element 33 is triggered, the power element 23 is located in closed loops not including the power source 31 to be in the brake mode, and the power element 23 has a generator function in the brake mode, so that the wheel W rotates along with the power element 23, an induced current can be generated in the closed loops, and the induced current generates a reverse torque of brake through the power element 23, and performs a step of canceling the motion of the wheel W.

In addition, the second switch 34 can be used as a start button, at the moment when the second switch 34 is triggered in the power supply mode, the one-switch 324 is turned on and the relay switch 321 is turned off, so that the power source 31 must provide a smaller current to the power element 23 through the current limiting element 323, and after the buffering time, the power source 31 can provide a larger current to the power element 23 through the relay switch 321 which is turned on in a delayed manner, so that the trolley rushing caused by the instant power output of the power element 23 can be avoided.

Referring to fig. 5 to 7, the carrying module 4 is assembled to the frame F and the wheel W through the above structure, and the driving member 1 is fixed to the spoke H of the wheel W, so that the power assisting device of the present invention can be mounted to the cart only by mounting the cart without changing the components such as the wheel W, the axle a, and the frame F, and the carrying module 4 can be mounted to the carts with different dimensions through the th supporting member 41 and the second supporting member 42 with adjustable relative positions, as shown in fig. 5 and 7, the structure and the spacing distance of the two frames F are different, the carrying module 4 can be suitably mounted to the two frames F by adjusting the elevation angle between the th supporting member 41 and the second supporting member 42, and the distance between the driving member 1 and the driving part 22 can be adjusted by adjusting the distance to adjust the tightness of the connecting member 21, so as to reduce the mounting difficulty of the driving module 2, and ensure the driving efficiency of the driving member 21.

To sum up, the power assisting device and the trolley with the power assisting device of the utility model are fixed on the spoke of the wheel by the transmission part and are combined with the frame by the adjustable bearing module, thereby achieving the effects of simple installation, low material cost, suitability for trolleys of various sizes, and the like; the power auxiliary device can also easily switch the functions of auxiliary power output, brake deceleration and the like through the switching loop and the two switching pieces positioned at the holding part, and has the effects of easy operation, improvement of use safety and the like.

Although the present invention has been disclosed in connection with the above preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make various changes and modifications in the above embodiments without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.

Claims

1, A power assist device, comprising:

driving members, which have linkage parts and positioning rings respectively located at the two ends of sleeves, wheel axles of wheels pass through the sleeves, and the positioning rings of the driving members are fixedly combined with wheel spokes of the wheels;

driving modules having connecting pieces respectively connected with driving parts and the linkage parts of the transmission member in linkage, the driving parts can be synchronously connected with power elements in a synchronous operation manner, and

bearing modules, having 0 th supporting members, pivotally connected to 1 second supporting members, and 2 adjusting screws, located at the opposite side of the pivotal connection between the th supporting member and the second supporting member, wherein two ends of the adjusting screws are respectively connected to the th supporting member and the second supporting member, the th supporting member is fixed to the wheel axle of the wheel and frames, the power element is fixed to the end of the second supporting member far away from the th supporting member, and the power element is electrically connected to power sources to form power supply circuits.

2. The power assist device as claimed in claim 1, wherein the transmission member has a plurality of positioning holes formed around the positioning ring at equal intervals, and the plurality of positioning holes correspond to a plurality of alignment holes secured to the spoke of the wheel.

3. The power assist device as claimed in claim 2, wherein each positioning hole is an oblong shape elongated in a radial direction of the positioning ring.

4. The power assist device as claimed in claim 1, wherein the connecting member is a chain or a belt, the driving portion and the linking portion are gear plates, and the connecting member is respectively wound around the gear teeth of the driving portion and the linking portion.

5. A power assist device as set forth in claim 1 wherein the power element is a dc electric motor and the power source is a rechargeable battery.

6. The power assist device according to claim 1, further comprising power supply modules, the power supply modules having the power source and switching loops disposed in the power supply loops, the switching loops having 0 relay switches, 1 double switches, 2 current limiting elements and 3 single switches, the relay switches being electrically connected to corresponding electrodes of the power source and the power element, poles of the double switches being electrically connected to the other electrodes of the power element, th th power-on points of the double switches being electrically connected to the other electrodes of the power source, second power-on points of the double switches being electrically connected to the current limiting elements and the single switches, another end of the current limiting elements being electrically connected between the relay switches and the power element, another end of the single switches being electrically connected between the relay switches and the power source, the single switches being coupled to the relay switches.

7. The power assist device as claimed in claim 6, wherein the relay switch is turned on buffer times after the single switch is turned on.

8. A power assist device as set forth in claim 6 wherein the switching loop has total switches connected in series with the power source.

9. The power assist device as claimed in claim 6, wherein the power module has switching elements and switching elements, the switching element is coupled to the dual-switch, and the second switching element is coupled to the single-switch.

10. The power assist device as claimed in claim 9, wherein the -th switching member and the second switching member are respectively located at two holding portions on the frame.

A cart of the type 11, , comprising:

power-assisted apparatuses as claimed in any of claims 1 to 10 , and

frames, the wheel can be combined with the frame in a rolling way, and the bearing module of the power auxiliary device is fixed between the wheel and the frame.