CN203524080U - Backpack with external pull rod - Google Patents
Backpack with external pull rod Download PDFInfo
- Publication number
- CN203524080U CN203524080U CN201320653964.7U CN201320653964U CN203524080U CN 203524080 U CN203524080 U CN 203524080U CN 201320653964 U CN201320653964 U CN 201320653964U CN 203524080 U CN203524080 U CN 203524080U
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- CN
- China
- Prior art keywords
- main body
- knapsack
- body rack
- rod assembly
- projection
- 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 backpack with an external pull rod. The backpack comprises a backpack body and a pull rod assembly. The pull rod assembly comprises a main body support, a table and a telescopic pull rod, wherein the table is arranged at the bottom of the main body support, and the telescopic pull rod is arranged at the top of the main body support. The main body support comprises two metal rods arranged in parallel, a transverse connection strip is arranged at the upper ends of the two metal rods, the upper end of the backpack body is fixedly connected to the transverse connection strip through a buckle, the lower end of the backpack body is fixed to the arranging table at the bottom of the main body support through a strap and a Velcro structure, and the pull rod assembly is connected with the main body support through an automatic rod return device. The backpack with the external pull rod has the advantages of being simple in structure and ingenious in design. The external pull rod is arranged at the back of the backpack, so that the backpack can be pulled and slide on the ground. In addition, the automatic rod return device is adopted to achieve an automatic rod return function.
Description
Technical field
The utility model relates to knapsack field, specifically, specially refers to a kind of knapsack with external pull bar.
Background technology
Along with everybody life and consumption level constantly promote, knapsack of all kinds becomes people's indispensable ornaments at one's side.Everybody requires case and bag product not only in practicality, to strengthen to some extent, ornamentally also will expand to some extent.
Traditional knapsack is all that the shoulder belt arranging by its back is realized in use, and the defect of this structure is that knapsack must at every moment back on the body.Application number is that the patent application document of 201120281989.X discloses a kind of pull bar knapsack; comprise rod assembly, the plastics protection holder of roller is housed and is provided with the inclusion of braces; wherein plastics protection holder is fixed on the front bottom of inclusion; rod assembly is fixed in the back interlayer of inclusion, and the braces at described inclusion back side below is provided with the braces bag that holds braces.
Although above-mentioned patent has solved the problem that traditional backpacks cannot drag,, when it is when running into stair or step, knapsack must be put on, and at this moment people just must stop, and knapsack is erected, pull bar is pushed back again, then mention suitcase, it is simple that this process seems, in fact very loaded down with trivial details, especially when having a lot of people after one's death, they could pass by after must waiting you that chest is mentioned, and so usually cause blocking up of stairs port place, own inconvenient, other people are also inconvenient.Most draw-bar boxes do not possess the function of auto back bar in the market, even if there is this function, are to realize by button yet, and inconvenient.
Utility model content
The technical problem that the utility model actual needs solves is: provide a kind of knapsack with external pull bar, to solve the deficiencies in the prior art.
The technical problem that the utility model solves can realize by the following technical solutions:
A knapsack with external pull bar, comprises knapsack body and rod assembly, and described rod assembly comprises main body rack, be arranged at the articles holding table of main body rack bottom and be arranged at the telescopic bar at main body rack top;
Described main body rack comprises two Metallic rod that be arranged in parallel, the upper end of described two Metallic rod is provided with lateral connection bar, the upper end of described knapsack body is connected and fixed by hasp and lateral connection bar, and the lower end of described knapsack body is fixed by the articles holding table of braces and seta buckle structure and main body rack bottom;
Described rod assembly is connected with main body rack by auto back lever apparatus, described auto back bar assembly comprises and is positioned on rod assembly radially outstanding projection, chute, change and the limited block of main body rack inside, the shaft of described rod assembly is installed in chute, change is installed on the inwall of chute by return spring, the top of chute has limited block, has radially outstanding spacing block set in described change.
Further, described telescopic bar shaft be provided with chute on the same number of projection of change, described projection and corresponding change form the fixing point of telescopic bar.
Further, the cross section of described projection and spacing block set is right angled triangle, and the upper end of described projection is straight flange, and the lower end of projection is hypotenuse, and the upper end of spacing block set is hypotenuse, and the lower end of spacing block set is straight flange.
Compared with prior art, the beneficial effects of the utility model are as follows:
Simple in structure, design ingeniously, by the back at knapsack, external pull bar is set, make knapsack to drag and to slide on the ground, in addition, by adopting auto back lever apparatus, realized auto back bar function.
Accompanying drawing explanation
Fig. 1 is the structural representation with the knapsack of external pull bar described in the utility model.
Fig. 2 is the structural representation of rod assembly described in the utility model.
Fig. 3 is hasp connection diagram described in the utility model.
Number in the figure explanation: 100. knapsack body 110. braces 120. hasp 200. rod assembly 210. main body rack 220. articles holding table 230. telescopic bars.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of knapsack with external pull bar described in the utility model, comprise knapsack body 100 and rod assembly 200, described rod assembly 200 comprises main body rack 210, be arranged at the articles holding table 220 of main body rack 210 bottoms and be arranged at the telescopic bar 230 at main body rack 210 tops;
Described main body rack 210 comprises two Metallic rod that be arranged in parallel, the upper end of described two Metallic rod is provided with lateral connection bar, the upper end of described knapsack body 100 is connected and fixed by hasp 120 and lateral connection bar, and the lower end of described knapsack body 100 is fixing by the articles holding table 220 of braces 110 and seta buckle structure and main body rack 210 bottoms;
Described rod assembly 200 is connected with main body rack 210 by auto back lever apparatus, described auto back bar assembly comprises and is positioned on rod assembly 200 radially outstanding projection, chute, change and the limited block of main body rack 210 inside, the shaft of described rod assembly 200 is installed in chute, change is installed on the inwall of chute by return spring, the top of chute has limited block, has radially outstanding spacing block set in described change.
It is pointed out that described telescopic bar 230 shafts be provided with chute on the same number of projection of change, described projection and corresponding change form the fixing point of telescopic bar 230.By adopting said structure to design, in the inside of chute, form some fixing points, each fixing point can correspond to a stroke position of pull bar, thereby the selection of multiple pull bar length is provided to user.
In addition, the cross section of described projection and spacing block set is right angled triangle, and the upper end of described projection is straight flange, and the lower end of projection is hypotenuse, and the upper end of spacing block set is hypotenuse, and the lower end of spacing block set is straight flange.By adopting this kind of structural design, reduced resistance when pull bar moves in chute.
Compared with prior art, the beneficial effects of the utility model are as follows:
Simple in structure, design ingeniously, by the back at knapsack, external pull bar is set, make knapsack to drag and to slide on the ground, in addition, by adopting auto back lever apparatus, realized auto back bar function.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a knapsack with external pull bar, comprises knapsack body and rod assembly, and described rod assembly comprises main body rack, be arranged at the articles holding table of main body rack bottom and be arranged at the telescopic bar at main body rack top; It is characterized in that:
Described main body rack comprises two Metallic rod that be arranged in parallel, the upper end of described two Metallic rod is provided with lateral connection bar, the upper end of described knapsack body is connected and fixed by hasp and lateral connection bar, and the lower end of described knapsack body is fixed by the articles holding table of braces and seta buckle structure and main body rack bottom;
Described rod assembly is connected with main body rack by auto back lever apparatus, described auto back bar assembly comprises and is positioned on rod assembly radially outstanding projection, chute, change and the limited block of main body rack inside, the shaft of described rod assembly is installed in chute, change is installed on the inwall of chute by return spring, the top of chute has limited block, has radially outstanding spacing block set in described change.
2. the knapsack with external pull bar according to claim 1, is characterized in that: described telescopic bar shaft be provided with chute on the same number of projection of change, described projection and corresponding change form the fixing point of telescopic bar.
3. the knapsack with external pull bar according to claim 1, it is characterized in that: the cross section of described projection and spacing block set is right angled triangle, the upper end of described projection is straight flange, and the lower end of projection is hypotenuse, the upper end of described spacing block set is hypotenuse, and the lower end of spacing block set is straight flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320653964.7U CN203524080U (en) | 2013-10-22 | 2013-10-22 | Backpack with external pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320653964.7U CN203524080U (en) | 2013-10-22 | 2013-10-22 | Backpack with external pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203524080U true CN203524080U (en) | 2014-04-09 |
Family
ID=50410354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320653964.7U Expired - Fee Related CN203524080U (en) | 2013-10-22 | 2013-10-22 | Backpack with external pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203524080U (en) |
-
2013
- 2013-10-22 CN CN201320653964.7U patent/CN203524080U/en not_active Expired - Fee Related
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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: 20140409 Termination date: 20151022 |
|
| EXPY | Termination of patent right or utility model |