CN207015393U - A kind of trolley - Google Patents
A kind of trolley Download PDFInfo
- Publication number
- CN207015393U CN207015393U CN201720968245.2U CN201720968245U CN207015393U CN 207015393 U CN207015393 U CN 207015393U CN 201720968245 U CN201720968245 U CN 201720968245U CN 207015393 U CN207015393 U CN 207015393U
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- CN
- China
- Prior art keywords
- vehicle frame
- axletree
- main body
- wheel
- loading plate
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Abstract
The utility model discloses a kind of trolley.The trolley includes vehicle frame, loading plate, axletree and connection wheel group, the vehicle frame includes main body of vehicle frame and support frame, the loading plate is arranged on a side lower part of main body of vehicle frame, the opposite side of the main body of vehicle frame is connected with support frame, the axletree is parallel to main body of vehicle frame and is arranged on support frame, the both ends of the axletree are respectively equipped with a wheel group, and the wheel group includes three wheels and wheel carrier, and the axial connecting line of three wheels is in equilateral triangle.The trolley can easily realize the rotation of connection wheel group, it is easy to climb steps, while avoid loading plate and main body of vehicle frame from touching step, make up/down steps balancing labor saving, can easily transport goods in the various places for having step.
Description
Technical field
It the utility model is related to a kind of trolley.
Background technology
At present, the trolley used in daily life, ground level walking is largely only applicable to, if there is step, is had not more
Just.In order to facilitate up/down steps, there are some trolleys to be provided with multiple wheels at present, bury lifting stroller using accessory whorl, play and climb
The effect of step.But multiple pulleys are in top bar process, easily occur in the case that two-wheeled is in contact with step vertical plane, this
When, pull stroller to be not easily accomplished the rotation of multiple wheels, cause top bar difficult.
Utility model content
In view of the deficiencies in the prior art, the utility model provides a kind of trolley.The trolley can easily realize connection wheel
The rotation of group, it is easy to climb steps, while avoid loading plate and main body of vehicle frame from touching step, make up/down steps balancing labor saving,
Goods can be easily transported in the various places for having step.
The utility model provides a kind of trolley, and it, which includes vehicle frame, loading plate, axletree and connection wheel group, the vehicle frame, includes
Main body of vehicle frame and support frame, the loading plate are arranged on a side lower part of main body of vehicle frame, the opposite side connection of the main body of vehicle frame
There is support frame, the axletree is parallel to main body of vehicle frame and is arranged on support frame, and the both ends of the axletree are respectively equipped with a wheel group,
The wheel group includes three wheels and wheel carrier, and the axial connecting line of three wheels is in equilateral triangle.
Support frame as described above includes support bar, and the lower end of the support bar and the lower end of main body of vehicle frame connect, the support bar
Upper end its top be connected with the middle part of main body of vehicle frame or middle and lower part, the support bar be provided with bend and lower bending, it is described
Axletree is connected in lower bending place with support bar, and the axletree is vertical with support bar.
The main body of vehicle frame includes two vertical bars, cross tube, sheer pole and U-shaped expansion link, and two vertical bar is hollow
Structure and it be arranged in parallel, the cross tube is hollow structure and connected with two vertical bars that the sheer pole is connected to two vertical bars
Between, the both ends of the U-shaped expansion link are inserted in two vertical bars from the top of two vertical bars respectively, and the U-shaped expansion link leads to
Cross retaining mechanism and carry out its locking and relieving in vertical bar.
The retaining mechanism includes two lock pins and the spring being arranged in cross tube, and two lock pins are connected by spring
Connect, guide groove, pilot hole or the guide cylinder slided for lock pin is provided with the cross tube, the U-shaped expansion link is grown along the body of rod
Spend direction and multiple positioning holes are set, two lock pin can be extended transversely under the promotion of spring to U-shaped expansion link positioning hole.
The retaining mechanism includes shank of the key, and described shank of the key one end is connected with lock pin, and the other end is extended to outside bar hole.
The U-shaped expansion link top is provided with handle.
The wheel carrier includes an axle sleeve and two fixed plates, and the wheel shaft that two fixed plate is equipped with for three wheels is worn
Three wheel bore crossed, the axis hole passed through for the axletree of connection wheel group is also equipped with, three wheels are between two fixed plates.
The wheel carrier also includes sleeve, and the sleeve is located between the axis hole of two fixed plates, and the end of the axletree is arranged
There is second bearing, the second bearing is embedded in sleeve；Three wheels are provided with first axle between its wheel shaft respectively
Hold.
The loading plate is provided with the limiting plate of integral bending forming, and loading plate is perpendicular with limiting plate, and main body of vehicle frame leads to
Articulated elements is crossed to be hinged with loading plate.
The axletree middle is provided with pedal.
Compared with prior art, it is of the present utility model to have the following advantages that：
（1）Trolley of the present utility model, loading plate and support frame are arranged on main body of vehicle frame both sides, especially join wheel group and set
Vehicle frame opposite side is put, axletree is arranged at the junction of bottom bar and brace, so when lifting stroller, forms oblique torque, makes connection
Wheel group is rolled under step, while main body of vehicle frame and loading plate can also be made to avoid touching step, put down up/down steps away from step
Weigh laborsaving, can easily transport goods in the various places for having step.
（2）Trolley of the present utility model, retaining mechanism are positioned by two lock pins to U-shaped expansion link, and are locked
The structure setting of mechanism, avoid existing retaining mechanism from being arranged on expansion link top, lifting when easily cause damage the problem of.
Brief description of the drawings
Fig. 1 is the schematic diagram that trolley of the present utility model is in deployed condition；
Fig. 2 is the schematic diagram that trolley of the present utility model is in collapsed state；
Fig. 3 is the main body of vehicle frame of trolley of the present utility model and the connection diagram of support frame；
Fig. 4 is the three-dimensional assembling decomposing schematic representation of trolley of the present utility model；
Fig. 5 is the schematic diagram of the connection wheel group of trolley of the present utility model；
Fig. 6 is the schematic diagram of the retaining mechanism of trolley of the present utility model；
Reference：11- vertical bars, 12- cross tubes, 13- sheer poles, 14-U shape expansion links, 2- support bars, 3- carryings
Plate, 4- axletrees, 5- connection wheel groups, 51- wheels, 52- fixed plates, 53- sleeves, 6- handles；7- limiting plates, 8- articulated elements, 91- locks
Pin, 92- springs, 93- guide cylinders, 94- shank of the keys.
Embodiment
The detection means of Atmospheric particulates of the present utility model is further illustrated below by accompanying drawing, but it is not considered that originally
Utility model is limited only in following embodiment.
As Figure 1-5, the utility model provides a kind of trolley, and it includes vehicle frame, loading plate 3, axletree 4 and connection wheel group
5, the vehicle frame includes main body of vehicle frame and support frame, and the loading plate 3 is arranged on a side lower part of main body of vehicle frame, the vehicle frame master
The opposite side of body is connected with support frame, and the axletree 4 is parallel to main body of vehicle frame and is arranged on support frame, and the two of the axletree 4
End is respectively equipped with a wheel group 5, and the wheel group 5 includes three wheels 51 and wheel carrier, and the axial connecting line of three wheels 51 is in equilateral
Triangle.
In an embodiment of the present utility model, as shown in Figures 3 and 4, support frame as described above includes support bar, the branch
The lower end of strut 2 and the lower end of main body of vehicle frame connect, and its top of the upper end of the support bar 2 and the middle and lower part of main body of vehicle frame connect
Connect, the support bar 2 is provided with bending and lower bending, the axletree 4 are connected in lower bending place with support bar 2, the axletree 4
It is vertical with support bar 2.Support bar 2 can integral bending forming for it is upper bending and lower bending.
In an embodiment of the present utility model, main body of vehicle frame includes two vertical bars 11, cross tube 12, sheer pole 13
With U-shaped expansion link 14, two vertical bars 11 are hollow structure and to be arranged in parallel, cross tube 12 be hollow structure and with two vertical bars 11
Connection, sheer pole 13 are connected between two vertical bars 11, and the both ends of U-shaped expansion link 14 are respectively from the top of two vertical bars 11
Insert in two vertical bars 11, U-shaped expansion link 14 carries out its locking and relieving in vertical bar 11 by retaining mechanism.
As shown in fig. 6, as preferred embodiment, retaining mechanism can include two locks being arranged in cross tube 12
Pin 91 and spring 92, two lock pins 91 are attached by spring 92, and the guide cylinder slided for lock pin 91 is provided with cross tube 12
93, the guide groove or pilot hole of the slip of lock pin 91 are also provided with, it is multiple fixed that U-shaped expansion link 14 is set along body of rod length direction
Position hole, two lock pins 91 can be extended transversely under the promotion of spring 92 to the positioning hole of U-shaped expansion link 14.Retaining mechanism can also wrap
Shank of the key 94 is included, the one end of shank of the key 94 is connected with lock pin 91, and the other end is extended to outside bar hole.The top of U-shaped expansion link 14 can also be set
It is equipped with handle 6.When needing stretching or retraction U-shaped expansion link 14, promote two shank of the keys 94 and two lock pins 91 mobile to centre manually,
Lock pin 91 is departed from the positioning hole of U-shaped expansion link 14, then up or pull downward on U-shaped expansion link 14, after reaching predeterminated position, put
Two shank of the keys 94 are opened, under the active force of spring 92, two lock pins 91 enter the positioning hole of U-shaped expansion link 14, so as to which locking U-shaped is stretched again
Contracting bar 14.
In another embodiment of the present utility model, as shown in figure 5, wheel carrier includes an axle sleeve and two fixed plates 52, two
Fixed plate 52 is equipped with three wheel bore passed through for the wheel shaft of three wheels 51, is also equipped with the axletree 4 for connection wheel group 5
The axis hole passed through, three wheels 51 are between two fixed plates 52.Wheel carrier also includes sleeve 53, and sleeve 53 is located at two fixed plates 52
Axis hole between, the end sleeve of axletree 4 is provided with second bearing, and second bearing is embedded in sleeve 53；Three wheels 51 respectively with
Clutch shaft bearing is provided between its wheel shaft.
In another embodiment of the present utility model, loading plate 3 is provided with the limiting plate 7 of integral bending forming, carrying
Plate 3 and limiting plate 7 are perpendicular, and main body of vehicle frame is be hinged by articulated elements 8 and loading plate 3.Articulated elements 8 includes jointed shaft and is hinged
Plate, articulated slab are provided with the first hinge hole, and main body of vehicle frame is provided with the second hinge hole, and jointed shaft passes through the first hinge hole and second
Hinge hole, the two edges of articulated slab are connected with loading plate 3 and limiting plate 7 respectively in two plate bending places., can be with when needing loading
Loading plate 3 is put down, in load-bearing, limiting plate 7 props up main body of vehicle frame（Vertical bar）Play barrier effect so that loading plate 3 and car
Frame body keeps plumbness.
Trolley of the present utility model, in the ground running of common flat, two wheels for often joining wheel group 5 land.
Need to go upstairs step when, when first wheel touches the facade of first order step, axletree 4 just along step obliquely
In the presence of power, make circular motion by the heart in the heart of the center of circle of first wheel, while drive second wheel and the 3rd car
Wheel is flipped up, the second wheel is touched in the plane of first order step, at this moment first step in whole wheel group；Second
Individual wheel carries out plane rolling, be may be reversed after contacting the facade of second level step using second wheel as the center of circle, so as to climb up the
Two steps.Acted more than repeating, the another level step of one-level can be climbed up.
It should be noted that each particular technique feature described in above-mentioned embodiment, can be by appointing
What suitable mode is combined, its equally fall into it is disclosed in the utility model within the scope of.In addition, the utility model
A variety of embodiments between can also be combined, as long as it without prejudice to thought of the present utility model, its is same
Sample should be considered as content disclosed in the utility model.
Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing
Detail in above-mentioned embodiment, can be to skill of the present utility model in range of the technology design of the present utility model
Art scheme carries out a variety of simple variants, and these simple variants belong to the scope of protection of the utility model.
Claims (10)
1. a kind of trolley, it is characterised in that it, which includes vehicle frame, loading plate, axletree and connection wheel group, the vehicle frame, includes vehicle frame master
Body and support frame, the loading plate and support frame are separately positioned on the both sides of main body of vehicle frame, and the axletree is arranged on support frame
And its both ends is respectively equipped with a wheel group, the wheel group includes three wheels and wheel carrier, and the axial connecting line of three wheels is in equilateral
Triangle.
2. trolley according to claim 1, it is characterised in that：Support frame as described above includes support bar, the support bar
Lower end and the lower end of main body of vehicle frame are connected, and its top of the upper end of the support bar is connected with the middle part of main body of vehicle frame or middle and lower part,
The support bar is provided with bending and lower bending, the axletree are connected in lower bending place with support bar, the axletree and support
Bar is vertical.
3. trolley according to claim 1, it is characterised in that：The main body of vehicle frame include two vertical bars, cross tube, under
Cross bar and U-shaped expansion link, two vertical bar are hollow structure and be arranged in parallel that the cross tube is hollow structure and erected with two
Connected to bar, the sheer pole is connected between two vertical bars, and the both ends of the U-shaped expansion link are respectively from the top of two vertical bars
In two vertical bars of end insertion, the U-shaped expansion link carries out its locking and relieving in vertical bar by retaining mechanism.
4. trolley according to claim 3, it is characterised in that：The retaining mechanism includes two be arranged in cross tube
Individual lock pin and spring, two lock pins are attached by spring, and the guide groove slided for lock pin is provided with the cross tube, is oriented to
Hole or guide cylinder, the U-shaped expansion link set multiple positioning holes along body of rod length direction, and two lock pin is under the promotion of spring
It can extend transversely into U-shaped expansion link positioning hole.
5. trolley according to claim 4, it is characterised in that：The retaining mechanism includes shank of the key, described shank of the key one end
It is connected with lock pin, the other end is extended to outside bar hole.
6. trolley according to claim 3, it is characterised in that：The U-shaped expansion link top is provided with handle.
7. trolley according to claim 1, it is characterised in that：The wheel carrier includes an axle sleeve and two fixed plates, described
Two fixed plates are equipped with three wheel bore passed through for the wheel shaft of three wheels, and the axletree being also equipped with for connection wheel group passes through
An axis hole, three wheels are between two fixed plates.
8. trolley according to claim 7, it is characterised in that：The wheel carrier also includes sleeve, and the sleeve is located at two
Between the axis hole of fixed plate, the end sleeve of the axletree is provided with second bearing, and the second bearing is embedded in sleeve；Described three
Wheel is provided with clutch shaft bearing between its wheel shaft respectively.
9. trolley according to claim 1, it is characterised in that：The loading plate is provided with the spacing of integral bending forming
Plate, the loading plate and limiting plate are perpendicular, and the main body of vehicle frame is hinged by articulated elements and loading plate.
10. trolley according to claim 1, it is characterised in that：The axletree middle is provided with pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720968245.2U CN207015393U (en) | 2017-08-04 | 2017-08-04 | A kind of trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720968245.2U CN207015393U (en) | 2017-08-04 | 2017-08-04 | A kind of trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207015393U true CN207015393U (en) | 2018-02-16 |
Family
ID=61477746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720968245.2U Active CN207015393U (en) | 2017-08-04 | 2017-08-04 | A kind of trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207015393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583630A (en) * | 2018-04-03 | 2018-09-28 | 长春工业大学 | A kind of two-wheeled trolley based on tensioning entirety principle |
| CN109018028A (en) * | 2018-09-07 | 2018-12-18 | 柳州柳工挖掘机有限公司 | Collapsible protection column and engineering machinery |
-
2017
- 2017-08-04 CN CN201720968245.2U patent/CN207015393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583630A (en) * | 2018-04-03 | 2018-09-28 | 长春工业大学 | A kind of two-wheeled trolley based on tensioning entirety principle |
| CN109018028A (en) * | 2018-09-07 | 2018-12-18 | 柳州柳工挖掘机有限公司 | Collapsible protection column and engineering machinery |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |