CN204956525U - Audio amplifier shallow - Google Patents
Audio amplifier shallow Download PDFInfo
- Publication number
- CN204956525U CN204956525U CN201520768622.9U CN201520768622U CN204956525U CN 204956525 U CN204956525 U CN 204956525U CN 201520768622 U CN201520768622 U CN 201520768622U CN 204956525 U CN204956525 U CN 204956525U
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- CN
- China
- Prior art keywords
- vehicle frame
- handrail
- folding
- sliding sleeve
- spring
- 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
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Abstract
The utility model discloses an audio amplifier shallow: it includes frame, handrail and installs the gyro wheel in the frame bottom, be equipped with the folding positioner of handrail on the frame of handrail lower extreme, folding positioner include with connected to the frame's mounting bracket and folding control rod, the lower extreme of handrail articulates in the mounting bracket, and the lower extreme of handrail bottom is equipped with the jack, the hollow sliding sleeve of bottom fixedly connected with of mounting bracket, and the inside of the centre bore of sliding sleeve and mounting bracket is linked together, the upper end clearance fit of folding control rod is in the centre bore of sliding sleeve, and the cover is equipped with a spring on the folding control rod in the centre bore, when the arm rest is in development condition in vertical position and spring, peg graft in the jack of handrail lower extreme bottom in the upper end of folding control rod. This audio amplifier shallow simple structure, convenient operation and collapsible, occupation space is little, long service life.
Description
Technical field
The utility model relates to a kind of go-cart, is specifically a kind of audio amplifier go-cart.
Background technology
At present, allegro life makes people recognize, suitable amusement is very effective to the pressure alleviating life.Therefore the abstract the recreational consumption of family is in quick growth, and digitized acoustical equipment is also more and more universal, and sound-box device becomes the necessity of family life.Because the general volume of audio amplifier is larger, heavier-weight, very inconvenient when a dead lift or movement, therefore people can carry or Mobile loudspeaker box by go-cart, go-cart is a kind of simple handbarrow, and it is widely used in the fields such as factory floor, warehouse, daily life.And the go-cart of carrying or Mobile loudspeaker box requires light, take up room little, could more easily be accepted like this.The go-cart of prior art, as State Intellectual Property Office website discloses a kind of Manual flat-plate trolley, its structure comprises vehicle frame and handrail, and described vehicle frame is provided with a telescopic hinged frame, described handrail is fixedly connected with vehicle frame.The handrail of this go-cart is not collapsible, takes up room comparatively large, can not meet the demand of people.For another example a kind of folding pushchair is disclosed in State Intellectual Property Office website, its structure comprises sweep, at least three castors and handrail, described castor is arranged on the bottom surface of sweep respectively, the material of described base plate is synthetic plastics, described castor is quiet castor, the rear portion of plate upper surface is provided with two armrest mounting seats, this armrest mounting seat comprises two risers vertical with plate upper surface respectively, described handrail takes the shape of the letter U, hinged with riser respectively between two risers that two free end is inserted into described armrest mounting seat respectively, it also comprises folding operation device, described folding operation device comprises front limit bearing pin, folding operation bar and torsion spring, described riser is relatively provided with longitudinal Long Circle through hole respectively, described front limit bearing pin is fixedly mounted between two risers of armrest mounting seat, two free ends of folding operation bar to be installed between front limit bearing pin and folding operation bar and hinged with the riser of armrest mounting seat respectively respectively, the two ends of torsion spring are separately fixed on front limit pin and folding operation bar.The handrail of this go-cart is when folding, and pressure folding operation bar makes it be moved downward to bottom along Long Circle through hole, and now folding operation bar is positioned at below bottom handrail two free end, so driven forward handrail can be folded on sweep upper surface; When launching handrail, pressure folding operation bar is located at the bottom of Long Circle through hole, and now upwards rotary handle is extremely vertical, unclamp folding operation bar, its under the elastic force of torsion spring on move to Long Circle via top, now, folding operation bar and front limit bearing pin handrail is spacing.Its folded control lever of handrail two free end of the folding pushchair of this structure and front limit bearing pin spacing, also namely the sidewall of handrail free end and the lateral wall of folding operation bar and front limit bearing pin offset, when promoting handrail, handrail lower end can apply larger torsion to folding control lever, folding operation bar is easily made to be out of shape, in addition, the torsion spring of this folding pushchair is outside exposed, be easy to the rust joint because of rain erosion follow the string, folding operation bar will be caused like this to reset, affect the service life of hand barrow.
Utility model content
The technical problems to be solved in the utility model is, overcomes the defect of above prior art, provide a kind of structure simple, easy to operate and collapsible, take up room little, the audio amplifier go-cart of long service life.
Technical solution of the present utility model is, there is provided a kind of audio amplifier go-cart with following structure: it comprises vehicle frame, handrail and is arranged on the roller of bottom of frame, armed folding positioning device established by the vehicle frame of described handrail lower end, described folding positioning device comprises the erecting frame and folding joystick that are connected with vehicle frame, the lower end of described handrail is hinged in erecting frame, and the lower end base of handrail is provided with jack; The bottom of described erecting frame is fixedly connected with the sliding sleeve of hollow, and the centre hole of sliding sleeve is connected with the inside of erecting frame, the upper gap of described folding joystick is engaged in the centre hole of sliding sleeve, and folding joystick in centre hole is arranged with a spring, the upper end of described spring and the sidewall of folding joystick offset, and the lower end of spring and the center bore inner wall of sliding sleeve offset; Described handrail be in vertical position and spring is in deployed condition time, the upper end of described folding joystick is plugged in the jack of handrail lower end base.
After adopting above structure, the go-cart of the utility model audio amplifier compared with prior art, have the following advantages: the folding positioning device of the handrail of this audio amplifier go-cart, its structure comprises the erecting frame of vehicle frame connection and folding joystick, when handrail folds, overcome the folding joystick of elastic force pressure of spring, make the upper end of folding joystick depart from the jack of handrail lower end base, then handrail can be folded on vehicle frame upper surface by driven forward handrail, unclamps folding joystick simultaneously; When handrail launches, again overcome the folding joystick of elastic force pressure of spring, when handrail is in vertical position, unclamp folding joystick, folding joystick makes its upper end be plugged in the jack of handrail lower end base under the effect of spring force, is now fixed by handrail.This audio amplifier go-cart adopts the folding positioning device of above-mentioned handrail to make its structure simple, easy to operate, and spring is concealed, be positioned at the centre hole of sliding sleeve, rust joint follows the string because of rain erosion therefore not worry spring, thus makes the longer service life of audio amplifier go-cart.
As preferably, described handrail is one, and in U-shaped, and be provided with two jacks bottom its two free end, one end of described vehicle frame connects two erecting frames, two free ends of handrail and two erecting frames hinged, the bottom of described two erecting frames is all fixedly connected with the sliding sleeve of a hollow, and the centre hole of sliding sleeve is connected with the inside of erecting frame, described folding joystick is U-shaped, and two free end free-running fits of folding joystick are in the centre hole of two sliding sleeves, two free ends of described folding joystick are respectively arranged with a spring, the upper end of two springs all offsets with the sidewall of folding joystick, the lower end of two springs all offsets with the center bore inner wall of sliding sleeve.The setting of the handrail of U-shaped and the folding joystick of U-shaped makes handrail when folding, and the lower folding joystick that tramps with one's feet can carry out the operation being folded by handrail or launch.
As preferably, described handrail is two, all in U-shaped, two described handrails are separately positioned on the two ends of vehicle frame, and be provided with two jacks bottom two free ends of each handrail, the two ends of described vehicle frame connect two erecting frames respectively, two free ends of each handrail and two erecting frames of vehicle frame one end hinged, the bottom of each erecting frame is fixedly connected with the sliding sleeve of a hollow, and the centre hole of each sliding sleeve is connected with the inside of erecting frame, described folding joystick is two, all in U-shaped, two free end free-running fits of each folding joystick are in the centre hole of two sliding sleeves of vehicle frame one end, two free ends of each folding joystick are respectively arranged with a spring, the upper end of spring all offsets with the sidewall of folding joystick, the lower end of spring all offsets with the center bore inner wall of sliding sleeve.The handrail of this audio amplifier go-cart also can be two, and be separately positioned on the two ends of vehicle frame, in audio amplifier go-cart, load-carrying is more like this, can two people carry out promoting or Mobile loudspeaker box go-cart, very easy to use, two handrails all fold by folding joystick, do not take larger space.
Improve as one, described folding joystick comprises U-shaped pipe, and two free ends of described U-shaped pipe are all threaded a plug, and the outer circle wall of each plug is provided with an annular recess, and described spring housing is located in the annular recess of plug.Plug adopts with two free ends of folding joystick and is threaded, and makes it assemble convenient, even if plug damages, only need change plug, need not change whole folding joystick.
Improve as one, described vehicle frame comprises the first vehicle frame and the second vehicle frame, described first vehicle frame is provided with slot, and the inner activity of described second vehicle frame is plugged in the slot of the first vehicle frame, and the lateral wall of the slot of the first vehicle frame is provided with the check screw fixing the second vehicle frame.Second vehicle frame Foldable of this vehicle frame, in the slot of the first vehicle frame, therefore, in the audio amplifier go-cart not used time, can reduce and take up an area space, in addition, when the audio amplifier that load volume is less, and also can by the second vehicle frame Foldable in the slot of the first vehicle frame; When load volume is larger or a fairly large number of audio amplifier time, by second vehicle frame launch use, therefore it is very easy to use.
Improve as one, the sidewall of described second vehicle frame is provided with resilient pin, and the sidewall of described first vehicle frame is provided with the knock hole matched with resilient pin, and when the second vehicle frame is in deployed condition, described resilient pin is positioned at knock hole.Coordinating when the second vehicle frame is launched of this resilient pin and knock hole is convenient, prevents the second vehicle frame from departing from the first vehicle frame upon deployment.
Improve as one, the bottom of described vehicle frame is fixedly connected with a pipe link, and the lower end of described pipe link is provided with an arc notch matched with the installation shaft surface of roller, and described arc notch inwall is fixedly connected with installation shaft surface.The setting of this pipe link lower end arc notch makes the connection of the installation shaft of roller location convenient, accurate.
Improve as one, the installation shaft two ends of described roller are equipped with a tapped bore, and described tapped bore negative thread connects a limited screw, and are provided with the spacing catch of roller between limited screw and installation shaft end.The mode that the spacing catch of spacing employing of this roller is connected with installation shaft two ends by limited screw, than in prior art the structure of installation shaft two ends grafting limiting rivet compare connect convenient, stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model audio amplifier go-cart embodiment one.
Fig. 2 is the sectional structure schematic diagram of the folding positioning device of the utility model audio amplifier go-cart embodiment one.
Fig. 3 is the utility model audio amplifier go-cart embodiment one A portion structure for amplifying schematic diagram in fig. 2.
Fig. 4 is the folded state schematic diagram of the utility model audio amplifier go-cart embodiment one handrail.
Fig. 5 is the deployed condition schematic diagram of the utility model audio amplifier go-cart embodiment one vehicle frame.
Fig. 6 is the mounting structure schematic diagram of the utility model audio amplifier go-cart embodiment one roller.
Fig. 7 is the structural representation of the utility model audio amplifier go-cart embodiment two.
Fig. 8 is the vehicle frame deployed configuration schematic diagram of the utility model audio amplifier go-cart embodiment two.
Fig. 9 is the structural representation of the utility model audio amplifier go-cart embodiment three.
Figure 10 is the vehicle frame deployed configuration schematic diagram of the utility model audio amplifier go-cart embodiment three.
As shown in the figure:
1, vehicle frame, 2, roller, 3, handrail, 4, erecting frame, 5, sliding sleeve, 6, folding joystick, 7, U-shaped pipe, 8, limited screw, 9, check screw, 10, jack, 11, centre hole, 12, spring, 13, pipe link, 14, plug, 15, annular recess.16, the first vehicle frame, the 17, second vehicle frame, 18, resilient pin, 19, knock hole, 20, arc notch, 21, installation shaft, 22, tapped bore, 23, spacing catch.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment one:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the go-cart of the utility model audio amplifier, the roller 2 that it comprises vehicle frame 1, handrail 3 and is arranged on bottom vehicle frame 1, the vehicle frame 1 of described handrail 3 lower end is provided with the folding positioning device of handrail 3, described folding positioning device comprises the erecting frame 4 and folding joystick 6 that are connected with vehicle frame 1, the lower end of described handrail 3 is hinged in erecting frame 4, and the lower end base of handrail 3 is provided with jack 10; The bottom of described erecting frame 4 is fixedly connected with the sliding sleeve 5 of hollow, and the centre hole 11 of sliding sleeve 5 is connected with the inside of erecting frame 4, the upper gap of described folding joystick 6 is engaged in the centre hole 11 of sliding sleeve 5, and folding joystick 6 in centre hole 11 is arranged with a spring 12, the upper end of described spring 12 and the sidewall of folding joystick 6 offset, and the lower end of spring 12 and centre hole 11 inwall of sliding sleeve 5 offset; Described handrail 3 be in vertical position and spring 12 in the raw time, the upper end of described folding joystick 6 is plugged in the jack 10 of handrail 3 lower end base.
Described handrail 3 is one, and in U-shaped, and be provided with two jacks 10 bottom its two free end, one end of described vehicle frame 1 connects two erecting frames 4, two free ends of handrail 3 and two erecting frames 4 hinged, the bottom of described two erecting frames 4 is all fixedly connected with the sliding sleeve 5 of a hollow, and the centre hole 11 of sliding sleeve 5 is connected with the inside of erecting frame 4, described folding joystick 6 is in U-shaped, and two free end free-running fits of folding joystick 6 are in the centre hole 11 of two sliding sleeves 5, two free ends of described folding joystick 6 are respectively arranged with a spring 12, the upper end of two springs 12 all offsets with the sidewall of folding joystick 6, the lower end of two springs 12 all offsets with centre hole 11 inwall of sliding sleeve 5.
Described folding joystick 6 comprises U-shaped pipe 7, and two free ends of described U-shaped pipe 7 are all threaded a plug 14, and the outer circle wall of each plug 14 is provided with an annular recess 15, and described spring 12 is set in the annular recess 15 of plug 14.
Described vehicle frame 1 comprises the first vehicle frame 16 and the second vehicle frame 17, described first vehicle frame 16 is provided with slot, the inner activity of described second vehicle frame 17 is plugged in the slot of the first vehicle frame 16, and the lateral wall of the slot of the first vehicle frame 16 is provided with the check screw 9 fixing the second vehicle frame 17.
The sidewall of described second vehicle frame 17 is provided with resilient pin 18, and the sidewall of described first vehicle frame 16 is provided with the knock hole 19 matched with resilient pin 18, and when the second vehicle frame 17 is in deployed condition, described resilient pin 18 is positioned at knock hole 19.
The bottom of described vehicle frame 1 is fixedly connected with a pipe link 13, and the lower end of described pipe link 13 is provided with an arc notch 20 matched with installation shaft 21 surface of roller 2, and described arc notch 20 inwall is fixedly connected with installation shaft 21 surface.
Installation shaft 21 two ends of described roller 2 are equipped with a tapped bore 22, and described tapped bore 22 negative thread connects a limited screw 8, and is provided with the spacing catch 23 of roller 2 between limited screw 8 and installation shaft 21 end.
Embodiment two:
As shown in Figure 7 and Figure 8:
Described handrail 3 is two, all in U-shaped, two described handrails 3 are separately positioned on the two ends of vehicle frame 1, and be provided with two jacks 10 bottom two free ends of each handrail 3, the two ends of described vehicle frame 1 connect two erecting frames 4 respectively, two free ends of each handrail 3 and two erecting frames 4 of vehicle frame 1 one end hinged, the bottom of each erecting frame 4 is fixedly connected with the sliding sleeve 5 of a hollow, and the centre hole 11 of each sliding sleeve 5 is connected with the inside of erecting frame 4, described folding joystick 6 is two, all in U-shaped, two free end free-running fits of each folding joystick 6 are in the centre hole 11 of two sliding sleeves 5 of vehicle frame 1 one end, two free ends of each folding joystick 6 are respectively arranged with a spring 12, the upper end of spring 12 all offsets with the sidewall of folding joystick 6, the lower end of spring 12 all offsets with centre hole 11 inwall of sliding sleeve 5.All the other technical schemes are identical with embodiment one.
Embodiment three:
As shown in Figure 9 and Figure 10: the first vehicle frame 16 of this vehicle frame 1 also can be connected a middle brace rod with on the second vehicle frame 17, and the middle brace rod of the second vehicle frame 17 can insert in the middle brace rod of the first vehicle frame 16; This middle brace rod plays the effect of the weight capacity improving vehicle frame 1.All the other technical schemes are identical with embodiment two.
Claims (8)
1. an audio amplifier go-cart, it comprises vehicle frame (1), handrail (3) and is arranged on the roller (2) of vehicle frame (1) bottom, the vehicle frame (1) of described handrail (3) lower end is provided with the folding positioning device of handrail (3), it is characterized in that: described folding positioning device comprises the erecting frame (4) and folding joystick (6) that are connected with vehicle frame (1), the lower end of described handrail (3) is hinged in erecting frame (4), and the lower end base of handrail (3) is provided with jack (10); The bottom of described erecting frame (4) is fixedly connected with the sliding sleeve (5) of hollow, and the centre hole (11) of sliding sleeve (5) is connected with the inside of erecting frame (4), the upper gap of described folding joystick (6) is engaged in the centre hole (11) of sliding sleeve (5), and folding joystick (6) in centre hole (11) is arranged with a spring (12), the upper end of described spring (12) and the sidewall of folding joystick (6) offset, and the lower end of spring (12) and centre hole (11) inwall of sliding sleeve (5) offset; Described handrail (3) be in vertical position and spring (12) in the raw time, the upper end of described folding joystick (6) is plugged in the jack (10) of handrail (3) lower end base.
2. audio amplifier go-cart according to claim 1, it is characterized in that: described handrail (3) is one, and in U-shaped, and bottom its two free end, be provided with two jacks (10), one end of described vehicle frame (1) connects two erecting frames (4), two free ends and two erecting frames (4) of handrail (3) are hinged, the bottom of described two erecting frames (4) is all fixedly connected with the sliding sleeve (5) of a hollow, and the centre hole (11) of sliding sleeve (5) is connected with the inside of erecting frame (4), described folding joystick (6) is in U-shaped, and two free end free-running fits of folding joystick (6) are in the centre hole (11) of two sliding sleeves (5), two free ends of described folding joystick (6) are respectively arranged with a spring (12), the upper end of two springs (12) all offsets with the sidewall of folding joystick (6), the lower end of two springs (12) all offsets with centre hole (11) inwall of sliding sleeve (5).
3. audio amplifier go-cart according to claim 1, it is characterized in that: described handrail (3) is two, all in U-shaped, two described handrails (3) are separately positioned on the two ends of vehicle frame (1), and bottom two free ends of each handrail (3), be provided with two jacks (10), the two ends of described vehicle frame (1) connect two erecting frames (4) respectively, two free ends of each handrail (3) and two erecting frames (4) of vehicle frame (1) one end hinged, the bottom of each erecting frame (4) is fixedly connected with the sliding sleeve (5) of a hollow, and the centre hole (11) of each sliding sleeve (5) is connected with the inside of erecting frame (4), described folding joystick (6) is two, all in U-shaped, two free end free-running fits of each folding joystick (6) are in the centre hole (11) of two sliding sleeves (5) of vehicle frame (1) one end, two free ends of each folding joystick (6) are respectively arranged with a spring (12), the upper end of spring (12) all offsets with the sidewall of folding joystick (6), the lower end of spring (12) all offsets with centre hole (11) inwall of sliding sleeve (5).
4. the audio amplifier go-cart any one of claims 1 to 3 described in claim, it is characterized in that: described folding joystick (6) comprises U-shaped pipe (7), two free ends of described U-shaped pipe (7) are all threaded a plug (14), the outer circle wall of each plug (14) is provided with an annular recess (15), and described spring (12) is set in the annular recess (15) of plug (14).
5. the audio amplifier go-cart any one of claims 1 to 3 described in claim, it is characterized in that: described vehicle frame (1) comprises the first vehicle frame (16) and the second vehicle frame (17), described first vehicle frame (16) is provided with slot, the inner activity of described second vehicle frame (17) is plugged in the slot of the first vehicle frame (16), and the lateral wall of the slot of the first vehicle frame (16) is provided with the check screw (9) fixing the second vehicle frame (17).
6. audio amplifier go-cart according to claim 5, it is characterized in that: the sidewall of described second vehicle frame (17) is provided with resilient pin (18), the sidewall of described first vehicle frame (16) is provided with the knock hole (19) matched with resilient pin (18), when the second vehicle frame (17) is in deployed condition, described resilient pin (18) is positioned at knock hole (19).
7. audio amplifier go-cart according to claim 1, it is characterized in that: the bottom of described vehicle frame (1) is fixedly connected with a pipe link (13), the lower end of described pipe link (13) is provided with an arc notch (20) matched with installation shaft (21) surface of roller (2), and described arc notch (20) inwall is fixedly connected with installation shaft (21) surface.
8. audio amplifier go-cart according to claim 7, it is characterized in that: installation shaft (21) two ends of described roller (2) are equipped with a tapped bore (22), described tapped bore (22) negative thread connects a limited screw (8), and is provided with the spacing catch (23) of roller (2) between limited screw (8) and installation shaft (21) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768622.9U CN204956525U (en) | 2015-09-30 | 2015-09-30 | Audio amplifier shallow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520768622.9U CN204956525U (en) | 2015-09-30 | 2015-09-30 | Audio amplifier shallow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204956525U true CN204956525U (en) | 2016-01-13 |
Family
ID=55051607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520768622.9U Expired - Fee Related CN204956525U (en) | 2015-09-30 | 2015-09-30 | Audio amplifier shallow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204956525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112406983A (en) * | 2020-10-30 | 2021-02-26 | 重庆讯通精密模具有限公司 | Foldable transfer trolley |
| CN117429486A (en) * | 2023-12-22 | 2024-01-23 | 泉州卓烨锰钢脚轮制造股份有限公司 | Pedal cart |
-
2015
- 2015-09-30 CN CN201520768622.9U patent/CN204956525U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112406983A (en) * | 2020-10-30 | 2021-02-26 | 重庆讯通精密模具有限公司 | Foldable transfer trolley |
| CN117429486A (en) * | 2023-12-22 | 2024-01-23 | 泉州卓烨锰钢脚轮制造股份有限公司 | Pedal cart |
| CN117429486B (en) * | 2023-12-22 | 2024-03-15 | 泉州卓烨锰钢脚轮制造股份有限公司 | Pedal cart |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20190930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |