CN201439349U - Improved portable push-pull cart - Google Patents
Improved portable push-pull cart Download PDFInfo
- Publication number
- CN201439349U CN201439349U CN2009201619511U CN200920161951U CN201439349U CN 201439349 U CN201439349 U CN 201439349U CN 2009201619511 U CN2009201619511 U CN 2009201619511U CN 200920161951 U CN200920161951 U CN 200920161951U CN 201439349 U CN201439349 U CN 201439349U
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- Prior art keywords
- car body
- pull
- wheel shaft
- push
- rotating shaft
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- 230000004888 barrier function Effects 0.000 abstract 2
- 230000007306 turnover Effects 0.000 abstract 1
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- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The utility model relates to a push-pull cart, in particular to an improved portable push-pull cart, which comprises a cart body, a wheel shaft, wheels and a push-pull rod, and is characterized in that the wheel shaft is provided with a turnover mechanism, and the connecting part of the push-pull rod and the cart body is provided with a folding structure. In the portable push-pull cart, since the folding connection structure is adopted among the wheel shaft, the wheels, barriers, the push-pull rod and the cart body, when storing the cart body, only the wheels, the barriers and the push-pull rod are respectively folded into the cart body, thereby, the goal of convenient carry and small occupied area is realized. The utility model has reasonable structure, and has the practical application meaning for the improvement of the structure of the original push-pull cart.
Description
Technical field
The utility model relates to a kind of manual push-and-pull vehicle, particularly about a kind of improved portable push-and-pull vehicle.
Background technology
A kind of small-sized hand-operated push-and-pull vehicle is arranged,, be used for lighter storehouse of carrier or family more because car body is less and bearing capacity is limited.Its structure is to be made of car body, wheel and wheel shaft, guardrail, pull bar etc. substantially, general, the bilateral symmetry of car body is fixed with four wheel shafts, dispose wheel on each wheel shaft, for making things convenient for loading, surrounding, all around at car body is provided with guardrail, and the front end of car body also is provided with the fixing pull bar of car body.Because wheel, guardrail and pull bar and car body are and are fixedly coupled structure, so existing small-sized hand-operated push-and-pull vehicle exists and carries inconvenience and the big shortcoming of parking space.
The utility model content
The purpose of this utility model is to carry inconvenience and the big deficiency of parking space for overcoming existing small-sized hand-operated push-and-pull vehicle, and propose a kind of technical scheme of improved push-and-pull vehicle.For realizing this purpose, the technical scheme of employing is: a kind of improved portable push-and-pull vehicle, comprise car body, wheel shaft and wheel, pull bar, and it is characterized in that wheel shaft is provided with switching mechanism, the connecting portion of pull bar and car body is provided with foldable structure; The wheel shaft switching mechanism is made of support and tumbler, support is fixed in car body by attaching parts, support is built-in with tumbler, tumbler is provided with the rotating shaft that level is put, and slides and be coupled to support in the two ends of horizontal rotating shaft, and an end of horizontal rotating shaft is provided with torsion spring, one end of torsion spring does not place support, the other end of torsion spring does not place tumbler, and vertical section of wheel shaft places in the tumbler and do vertical the connection with horizontal rotating shaft, and the horizontal segment slip of wheel shaft is equipped with wheel; Support is an open framework that is made as " Qian " shape, " Qian " shape support two vertically top of section is respectively equipped with a pair of concentric axis hole, the extension section at tumbler horizontal rotating shaft two ends is fitted to the vertically relative concentric axis hole of section of " Qian " shape support two respectively, the horizontal surface of " Qian " shape support is provided with the pin-and-hole at two intervals, and the side of " Qian " shape support is provided with screw and fixes with car body and be connected; Tumbler is made up of the horizontal rotating shaft of being located at housing, axle sleeve, lock pin, spring, unlocking board, housing is a flat box that is provided with opening, flat box is respectively equipped with a pair of concentric axis hole in the two sides that are positioned at open end, the two ends of horizontal rotating shaft are fitted to concentric axis hole respectively and stretch out the extension section; Place the vertical section of wheel shaft in the flat box to be provided with catch at the position that is positioned at flat box bottom surface, wheel shaft on catch vertically section is equipped with axle sleeve, be fitted with lock pin outside the axle sleeve, the top of lock pin is provided with the spring that is placed on wheel shaft, lock pin is connected with unlocking board, the top of wheel shaft is vertical is pinned at rotating shaft, and rotating shaft has been installed with cover plate; Lock pin is arranged to Y-piece, and the two ends of Y-piece are provided with short pin, and the middle part of Y-piece is provided with and the parallel orienting sleeve of the short pin in two ends, and orienting sleeve is provided with horizontal connecting strap, and connecting strap is provided with the screw of affixed unlocking board; Flat box front is provided with two parallel guide grooves; Unlocking board is provided with the screw that connects lock pin orienting sleeve connecting strap, and unlocking board also is provided with flange; The front end of car body is provided with and car body pivotally attached pull bar, the articulated joint of pull bar places among the car body hinged seat and is furnished with pivot pin, the front and back end of car body is respectively equipped with folding pull bar, pull bar is a portal frame, the bottom of portal frame two column inboards is respectively equipped with concentric axis hole, and the end face of portal frame two columns is respectively equipped with screw; The termination of car body two longitudinal edges is respectively equipped with coaxial slotted eye, the car body front and back end is provided with the combination bore that interlocks and join with the set screw of gantry pillar end face, combination bore is to be made of with the bar-shaped trough that is communicated with circular hole, the front and back end of car body and the left and right sides are equipped with folding guardrail, guardrail is a framework, be respectively equipped with external short pin in the bottom of framework two heel posts, framework bar is provided with inserted sheet at interval; The car body front and back end is provided with coaxial slotted eye with the inboard on limit, the left and right sides, and car body front and back end and limit, the left and right sides also are provided with and the framework bar inserted sheet at interval slit of inserting mutually.
Press the portable push-and-pull vehicle that this programme is implemented, owing between wheel shaft and wheel, guardrail and pull bar and car body, adopted folding connection structure respectively, so, when needs are deposited car body, as long as draw in car body wheel, guardrail and pull bar are folding respectively, promptly realized easy to carry and taken the little purpose of parking space.The utility model is rational in infrastructure, and the improvement of former manual push-and-pull vehicle structure is had certain practical application meaning.
Description of drawings
Fig. 1 is the integral structure scheme drawing of a kind of embodiment of the utility model;
Fig. 2 is the scheme drawing of embodiment after folding of Fig. 1;
Fig. 3 is the structural representation of guardrail among Fig. 1;
Fig. 4 is the structural representation of car body among Fig. 1;
Fig. 5 is the decomposition texture scheme drawing of switching mechanism among Fig. 1;
Fig. 6 is the front schematic view of switching mechanism;
Scheme drawing is looked on the left side of Fig. 7 Fig. 6;
Fig. 8 is the integral structure scheme drawing of the another kind of embodiment of the utility model;
Fig. 9 is the scheme drawing of embodiment after folding of Fig. 8;
Figure 10 is the structural representation of the car body among Fig. 9 embodiment;
Figure 11 is the structural representation of pull bar among Fig. 8 embodiment;
Figure 12 be among Figure 11 B to scheme drawing;
Figure 13 be among Figure 10 A to scheme drawing.
The specific embodiment
Be described in further detail with regard to this embodiment in conjunction with the accompanying drawings.Shown in Figure 1 is a kind ofly is made of car body 1, folding front and back guardrail 21 and left and right sides guardrail 22, pull bar 3, wheel 4, wheel shaft switching mechanism 5.For realizing that the utility model is convenient for carrying and does not take the purpose of parking space, obtain folding effect as shown in Figure 2, pull bar 3 uses the bearing pin of configuration hinged among being provided with joint 31 and placing car body hinged seat 13, so pull bar 3 can be that the center of circle is folding with realizing among its upset and folding and the vehicle body according to hinge-point.Meanwhile, the switching mechanism by wheel shaft once can with four wheels of the left and right sides folding with vehicle body among.For realizing the folding of wheel and wheel shaft, wheel shaft 41 set switching mechanisms 5 are made of " Qian " shape support 50 and tumbler 51, " Qian " shape support 50 is fixed in car body by screw through screw 501, tumbler 51 is by the horizontal rotating shaft 55 of being located at housing 511, axle sleeve 52, lock pin 53, spring 54, unlocking board 56 is formed, housing 511 is flat boxes that are provided with opening, flat box is respectively equipped with a pair of concentric axis hole 515 in the two sides that are positioned at open end, the two ends of horizontal rotating shaft 55 are fitted to concentric axis hole 515 respectively and stretch out the extension section, the extension section at horizontal rotating shaft 55 two ends is slided and is coupled to the concentric axis hole 505 at support 50 two ends, wherein the end at horizontal rotating shaft is provided with torsion spring 57, one end of torsion spring 57 does not place support 50, and the other end of torsion spring 57 does not place tumbler 51.Vertical section of wheel shaft 41 passes hole 514 and places in the tumbler and do vertical connections with horizontal rotating shaft 55, and the horizontal segment slip of wheel shaft 41 is equipped with wheel 4.The vertical section position that be positioned at flat box bottom surface of wheel shaft 41 in placing flat box 511 is provided with catch 411, wheel shaft on catch 411 vertically section is equipped with axle sleeve 52, be fitted with lock pin 53 outside the axle sleeve 52, the top of lock pin 53 is provided with the spring 5 that is placed on wheel shaft, the top of wheel shaft 41 is vertical is pinned at horizontal rotating shaft 55, and horizontal rotating shaft has been installed with cover plate 551.For when folding, realizing the self-locking and the release of wheel and wheel shaft, the lock pin 53 of being arranged to Y-piece is connected with unlocking board 56, be respectively equipped with short pin 531 at the two ends of Y-piece, the middle part of Y-piece is provided with and the short 531 parallel orienting sleeves of selling in two ends, this orienting sleeve is placed through on the axle sleeve 52 slidably, orienting sleeve also is provided with horizontal connecting strap, connecting strap is provided with the screw 530 of affixed unlocking board, flat box front is provided with the guide groove 510 of two spaced and parallel, unlocking board 56 is twisted through screw 560 and is connect screw 530 and be connected with lock pin 53, and at this moment, unlocking board can slide up and down in two parallel slotted holes 510, for making things convenient for the manipulation of hand, unlocking board 56 is provided with the flange 561 that available hand scratches unlocking board.When needs fold wheel, scratch the flange 561 of unlocking board 56 upwards exerts oneself with hand, at this moment, unlocking board and lock pin are with upwards moving and compression spring 54, when the short pin 531 at lock pin two ends breaks away from the pin-and-hole 5031 of support 50 horizontal surfaces, tumbler 51 under the elastic force effect of torsion spring 57, drive wheel shaft and wheel together in vehicle body upset folding, successively in like manner, in order respectively with about four wheels be folded to (as Fig. 2) in the vehicle body.When needs are used car, outwards move wheel with hand, make short pin 531 the pressure effects of lock pin 53 fall into the pin-and-hole 5031 of support automatically at spring 54, at this moment, wheel shaft and wheel just voluntarily with car body " pinning ".
For making things convenient for the loading of article, the front and back end and the left and right sides at car body are equipped with folding front and back guardrail 21 and left and right sides guardrail 22, guardrail 21 (22) is a horizontal framework, be respectively equipped with external short pin 211 in the bottom of framework two columns, the cross bar of framework is provided with inserted sheet 212 (222) at interval, for making framework can stand on vehicle body and collapsible again, but be respectively equipped with the coaxial slotted eye 10211 and 10221 of the short pin 211 (221) of inserting in the front and back end of car body 1 and the inboard on limit, the left and right sides, car body front and back end and limit, the left and right sides also are provided with and the inserted sheet 212 (222) at the framework bar interval slit 11212 and 11222 of inserting mutually.When needs erect guardrail, the inserted sheet of guardrail is inserted in respectively in the corresponding slit in the front and back end and the left and right sides, makes guardrail fix it.Otherwise, when folding guardrail, firmly mention guardrail and make its inserted sheet break away from slit (at this moment, the short pin 211 (221) of guardrail can be up in corresponding coaxial slotted eye) with its inserting respectively, so, the guardrail upset can be folded to (Fig. 2) in the vehicle body.
Other has a kind of embodiment that is used for bigger or many article of load volume, this embodiment is respectively equipped with vertical pull bar 7 in the front and back end of car body 6, pull bar 7 is portal frames, the bottom of portal frame two column inboards is respectively equipped with concentric axis hole 70, the corresponding therewith termination at car body 7 dual-sides is respectively equipped with coaxial slotted eye 6070, axis hole 70 is used the axial pin type screw retention together with slotted eye 6070, and portal frame 7 can slide up and down in slotted eye 6070.For make gantry frame type pull bar 7 upright be fixed in car body, end face at portal frame two columns is respectively equipped with screw 71, the corresponding therewith front and back end at car body 6 is respectively equipped with the combination bore 6071 that screw 71 therewith interlocks and joins, and combination bore 6071 is to be made of with the bar-shaped trough that is communicated with circular hole.When needs erect pull bar, penetrate in the circular hole of screw head by combination bore of the screw 71 of pull bar, the threaded shank that makes screw 71 is along gliding in the bar-shaped trough in the combination bore and firmly blocking.So, the pull bar 7 of gantry frame type can be realized the push-and-pull of car body when being convenient to load tall and big or many article.The situation of this embodiment when folding as shown in Figure 9.
Claims (10)
1. an improved portable push-and-pull vehicle comprises car body, wheel shaft and wheel, pull bar, it is characterized in that wheel shaft is provided with switching mechanism, and the connecting portion of pull bar and car body is provided with foldable structure.
2. by the described improved portable push-and-pull vehicle of claim 1, it is characterized in that the wheel shaft switching mechanism is made of support and tumbler, support is fixed in car body by attaching parts, support is built-in with tumbler, tumbler is provided with the rotating shaft that level is put, slide and be coupled to support in the two ends of horizontal rotating shaft, one end of horizontal rotating shaft is provided with torsion spring, one end of torsion spring does not place support, the other end of torsion spring does not place tumbler, vertical section of wheel shaft places in the tumbler and does vertical the connection with horizontal rotating shaft, and the horizontal segment slip of wheel shaft is equipped with wheel.
3. by the described improved portable push-and-pull vehicle of claim 2, it is characterized in that support is an open framework that is made as " Qian " shape, " Qian " shape support two vertically top of section is respectively equipped with a pair of concentric axis hole, the extension section at tumbler horizontal rotating shaft two ends is fitted to the vertically relative concentric axis hole of section of " Qian " shape support two respectively, the horizontal surface of " Qian " shape support is provided with the pin-and-hole at two intervals, and the side of " Qian " shape support is provided with screw and fixes with car body and be connected.
4. by the described improved portable push-and-pull vehicle of claim 2, it is characterized in that tumbler is made up of the horizontal rotating shaft of being located at housing, axle sleeve, lock pin, spring, unlocking board, housing is a flat box that is provided with opening, flat box is respectively equipped with a pair of concentric axis hole in the two sides that are positioned at open end, the two ends of horizontal rotating shaft are fitted to concentric axis hole respectively and stretch out the extension section; Place the vertical section of wheel shaft in the flat box to be provided with catch at the position that is positioned at flat box bottom surface, wheel shaft on catch vertically section is equipped with axle sleeve, be fitted with lock pin outside the axle sleeve, the top of lock pin is provided with the spring that is placed on wheel shaft, lock pin is connected with unlocking board, the top of wheel shaft is vertical is pinned at rotating shaft, and rotating shaft has been installed with cover plate.
5. by the described improved portable push-and-pull vehicle of claim 4, it is characterized in that lock pin is arranged to Y-piece, the two ends of Y-piece are provided with short pin, and the middle part of Y-piece is provided with and the parallel orienting sleeve of the short pin in two ends, orienting sleeve is provided with horizontal connecting strap, and connecting strap is provided with the screw of affixed unlocking board.
6. by the described improved portable push-and-pull vehicle of claim 4, it is characterized in that flat box front is provided with two parallel guide grooves.
7. by claim 4 or 5 described improved portable push-and-pull vehicles, it is characterized in that unlocking board is provided with the screw that connects lock pin orienting sleeve connecting strap, unlocking board also is provided with flange.
8. by the described improved portable push-and-pull vehicle of claim 1, it is characterized in that the front end of car body is provided with and car body pivotally attached pull bar, the articulated joint of pull bar places among the car body hinged seat and is furnished with pivot pin.
9. by the described improved portable manual push-and-pull vehicle of claim 1, the front and back end that it is characterized in that car body is respectively equipped with folding pull bar, pull bar is a portal frame, and the bottom of portal frame two column inboards is respectively equipped with concentric axis hole, and the end face of portal frame two columns is respectively equipped with screw; The termination of car body two longitudinal edges is respectively equipped with coaxial slotted eye, and the car body front and back end is provided with the combination bore that interlocks and join with the set screw of gantry pillar end face, and combination bore is to be made of with the bar-shaped trough that is communicated with circular hole.
10. by the described improved portable push-and-pull vehicle of claim 1, the front and back end and the left and right sides that it is characterized in that car body are equipped with folding guardrail, guardrail is a framework, is respectively equipped with external short pin in the bottom of framework two heel posts, and framework bar is provided with inserted sheet at interval; The car body front and back end is provided with coaxial slotted eye with the inboard on limit, the left and right sides, and car body front and back end and limit, the left and right sides also are provided with and the framework bar inserted sheet at interval slit of inserting mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201619511U CN201439349U (en) | 2009-07-09 | 2009-07-09 | Improved portable push-pull cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201619511U CN201439349U (en) | 2009-07-09 | 2009-07-09 | Improved portable push-pull cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201439349U true CN201439349U (en) | 2010-04-21 |
Family
ID=42544016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201619511U Expired - Fee Related CN201439349U (en) | 2009-07-09 | 2009-07-09 | Improved portable push-pull cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201439349U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369752A (en) * | 2014-11-12 | 2015-02-25 | 程华欢 | Vehicle-mounted folding trolley |
| CN106043382A (en) * | 2016-08-01 | 2016-10-26 | 青岛晟昊达智能科技有限公司 | Anti-seismic flat car with foldable wheels and telescopic handrail flat plates |
| CN106741045A (en) * | 2015-11-20 | 2017-05-31 | 江苏国平油品科技有限公司 | A kind of trailer for hauling Mixer pot |
| CN107672648A (en) * | 2017-09-25 | 2018-02-09 | 许昌学院 | Logistics delivery stroller |
-
2009
- 2009-07-09 CN CN2009201619511U patent/CN201439349U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369752A (en) * | 2014-11-12 | 2015-02-25 | 程华欢 | Vehicle-mounted folding trolley |
| CN104369752B (en) * | 2014-11-12 | 2017-04-19 | 程华欢 | vehicle-mounted folding trolley |
| CN106741045A (en) * | 2015-11-20 | 2017-05-31 | 江苏国平油品科技有限公司 | A kind of trailer for hauling Mixer pot |
| CN106043382A (en) * | 2016-08-01 | 2016-10-26 | 青岛晟昊达智能科技有限公司 | Anti-seismic flat car with foldable wheels and telescopic handrail flat plates |
| CN107672648A (en) * | 2017-09-25 | 2018-02-09 | 许昌学院 | Logistics delivery stroller |
| CN107672648B (en) * | 2017-09-25 | 2019-10-11 | 许昌学院 | Logistics delivery trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20100709 |