CN203884905U - Labor-saving pull rod frame - Google Patents
Labor-saving pull rod frame Download PDFInfo
- Publication number
- CN203884905U CN203884905U CN201420006279.XU CN201420006279U CN203884905U CN 203884905 U CN203884905 U CN 203884905U CN 201420006279 U CN201420006279 U CN 201420006279U CN 203884905 U CN203884905 U CN 203884905U
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- CN
- China
- Prior art keywords
- support bar
- bar
- support
- pull bar
- draw
- 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 a labor-saving pull rod frame which comprises a box body, wherein the rear side of the box body is wrapped with a support rack; pull rods extend upwards from the left and right sides of the support rack; the support rack is provided with a left support rod and a right support rod; a left pulley is arranged at the bottom end of the left support rod; a right pulley is arranged at the bottom end of the right support rod. The labor-saving pull rod frame is simple in structure and reasonable in design; as the support rack is smartly provided with the support rods and the pulleys are arranged at the bottoms of the support rods, a user can drag a draw-bar box easily and does not feel tired because of the lever principle; the angles of the support rods can be adjusted according to different heights of users, thereby being convenient and comfortable; as the support rods can rotate to the bottom of the draw-bar box when the draw-bar box is not used, a smaller storage space is occupied, and thus the labor-saving pull rod frame can be widely applied to draw-bar boxes, luggage bags and schoolbags.
Description
Technical field
The utility model relates to a kind of pull bar vehicle frame, relates in particular to one simple in structure, reasonable in design, is widely used in the laborsaving pull bar vehicle frame on draw-bar box, duffel bag, school bag.
Background technology
Chinese Patent Application No.: 201010157781.7, a kind of Labor-saving pull rod case is disclosed, bottom half is respectively equipped with a wheel on four angles.On the casing side that pull bar is installed, have a transverse axis, have row's draw-in groove on transverse axis, the lower end of pull bar is enclosed within on this transverse axis.There is an ejector pin mechanism inside of pull bar lower end, and thimble enters in draw-in groove and can make pull bar no longer rotate around transverse axis, at this moment pull bar just with casing at a tilt angle.Pull bar is divided into upper connecting rod and lower link, upper connecting rod is adjustable by realizing the length of pull bar in retraction lower link, a wedge mechanism is equipped with in the inside, lower end of upper connecting rod, this wedge structure is made up of three wedge blocks, a slide block is connected with the gauge tap on pull bar handgrip, another slide block is used for controlling the locking of upper connecting rod and lower link, and the 3rd slide block is connected with the bracing wire of lower link inside and realizes the control to ejector pin mechanism.
Chinese Patent Application No.: 201220622178.6, a kind of new-type Labor-saving pull rod case is disclosed, comprising: main box, pull bar, hinges, wheel.By parallel being put on ground of casing entirety of draw-bar box, then pull bar is connected with main box by hinges, while pulling pull bar, pull bar stretches obliquely and pulls main box level to advance, the weight of main box itself just puts on ground completely like this, pull bar only need to bear the pulling force that pulls casing, and there is no the pressure of main box to pull bar itself.
It is too complicated that foregoing invention is created structure, very unobvious to labor-saving effect, has certain room for improvement.
Utility model content
The purpose of this utility model is, overcomes the above-mentioned defect of prior art, and a kind of laborsaving pull bar vehicle frame simple in structure, reasonable in design is provided.
For achieving the above object, the technical scheme that the utility model provides is as follows: a kind of laborsaving pull bar vehicle frame, comprise a casing, casing rear side is coated with bracing frame, the bracing frame left and right sides is upwards extended with pull bar, and pull bar can be flexible up and down in bracing frame upper end, and bracing frame is provided with left support bar and right support bar, left support bar bottom is provided with left chain wheel, and right support bar bottom is provided with right pulley.
Bracing frame and left support bar, right support bar junction have axis hole, are arranged with rotating shaft in axis hole, and rotating shaft connects left support bar and right support bar, and the joint face of rotating shaft and left support bar and right support bar is provided with notch wheel regulating mechanism.
On left chain wheel and right pulley, be connected with a wheel shaft.
Left support bar and right support bar are located at bracing frame middle part or bottom.
Casing comprises one of luggage case, draw-bar box, travelling bag, school bag.
Usefulness of the present utility model is: simple in structure, reasonable in design, support bar is set cleverly on bracing frame, pulley is located at support bar bottom, use lever principle, make user more laborsaving in the time dragging draw-bar box, untired, support bar passes through notch wheel regulating mechanism, can carry out according to the user of different heights the adjustment of angle, adjust center of gravity, Energy and comfort, support bar can rotate to draw-bar box bottom in the time that draw-bar box is idle, still less take storage area.
Brief description of the drawings
Fig. 1 is the laborsaving pull bar vehicle frame of the utility model stereogram;
Fig. 2 is the laborsaving pull bar vehicle frame of the utility model partial structurtes schematic diagrames;
Fig. 3 is that the laborsaving pull bar vehicle frame of the utility model uses state diagram;
Fig. 4 is that the laborsaving pull bar vehicle frame of the utility model uses state diagram.
Detailed description of the invention
Be further described with regard to the technical solution of the utility model below in conjunction with accompanying drawing and preferred embodiment.
As shown in Figures 1 to 4, the laborsaving pull bar vehicle frame of one described in the utility model, comprise a casing 1, casing 1 rear side is coated with bracing frame 2, bracing frame 2 left and right sides are upwards extended with pull bar 3, and pull bar 3 can stretch up and down, and bracing frame 2 is provided with left support bar 21 and right support bar 22, left support bar 21 bottoms are provided with left chain wheel 31, and right support bar 22 bottoms are provided with right pulley 32.
Bracing frame 2 has axis hole (accompanying drawing does not show) with left support bar 21, right support bar 22 junctions, in axis hole, be arranged with rotating shaft 4, rotating shaft 4 connects left support bar 21 and right support bar 22, and rotating shaft 4 is provided with notch wheel regulating mechanism 41 with the joint face of left support bar 21 and right support bar 22.
On left chain wheel 31 and right pulley 32, be connected with a wheel shaft 5.
Left support bar 21 and right support bar 22 are located at bracing frame 2 middle parts or bottom, and in the present embodiment, left support bar 21 and right support bar 22 are located at the middle part of bracing frame 2.
Above-described is only principle of the present utility model and preferred embodiment.It should be pointed out that to those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some modification and improvement, also should be considered as belonging to protection domain of the present utility model.
Claims (5)
1. a laborsaving pull bar vehicle frame, comprise a casing, casing rear side is coated with bracing frame, the bracing frame left and right sides is upwards extended with pull bar, and bracing frame is provided with left support bar and right support bar, and left support bar bottom is provided with left chain wheel, right support bar bottom is provided with right pulley, it is characterized in that: support frame as described above and left support bar, right support bar junction have axis hole, are arranged with rotating shaft in axis hole, rotating shaft connects left support bar and right support bar.
2. laborsaving pull bar vehicle frame according to claim 1, is characterized in that: on described left chain wheel and right pulley, be connected with a wheel shaft.
3. laborsaving pull bar vehicle frame according to claim 1, is characterized in that: the joint face of described rotating shaft and left support bar and right support bar is provided with notch wheel regulating mechanism.
4. laborsaving pull bar vehicle frame according to claim 1 and 2, is characterized in that: described left support bar and right support bar are located at bracing frame middle part or bottom.
5. laborsaving pull bar vehicle frame according to claim 1, is characterized in that: described casing comprises one of luggage case, draw-bar box, travelling bag, school bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006279.XU CN203884905U (en) | 2014-01-03 | 2014-01-03 | Labor-saving pull rod frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006279.XU CN203884905U (en) | 2014-01-03 | 2014-01-03 | Labor-saving pull rod frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203884905U true CN203884905U (en) | 2014-10-22 |
Family
ID=51711367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420006279.XU Expired - Fee Related CN203884905U (en) | 2014-01-03 | 2014-01-03 | Labor-saving pull rod frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203884905U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939466A (en) * | 2015-06-24 | 2015-09-30 | 汕头大学 | Multi-functional luggage box |
| CN106490798A (en) * | 2016-10-17 | 2017-03-15 | 苏州三体智能科技有限公司 | A kind of luggage case |
| CN106820514A (en) * | 2017-03-10 | 2017-06-13 | 刘海波 | A kind of draw-bar box |
-
2014
- 2014-01-03 CN CN201420006279.XU patent/CN203884905U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104939466A (en) * | 2015-06-24 | 2015-09-30 | 汕头大学 | Multi-functional luggage box |
| CN104939466B (en) * | 2015-06-24 | 2017-03-22 | 汕头大学 | Multi-functional luggage box |
| CN106490798A (en) * | 2016-10-17 | 2017-03-15 | 苏州三体智能科技有限公司 | A kind of luggage case |
| CN106820514A (en) * | 2017-03-10 | 2017-06-13 | 刘海波 | A kind of draw-bar box |
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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: 20141022 Termination date: 20160103 |