CN203399767U - Draw-bar box - Google Patents
Draw-bar box Download PDFInfo
- Publication number
- CN203399767U CN203399767U CN201320467693.6U CN201320467693U CN203399767U CN 203399767 U CN203399767 U CN 203399767U CN 201320467693 U CN201320467693 U CN 201320467693U CN 203399767 U CN203399767 U CN 203399767U
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- Prior art keywords
- draw
- casing
- bar
- layer
- eva
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- Expired - Fee Related
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Abstract
The utility model relates to a draw-bar box. The draw-bar box comprises a box body, a draw bar fixed on the side surface of the back part of the box body, and rollers fixed at the bottom end of the box body, wherein an anti-collision plate layer is fixed on the side wall of the front surface of the box body, an EVA (Ethylene vinyl-acetate copolymer) protective plate layer is fixed on the side wall of the back part of the box body, an ABS (Acrylonitrile Butadiene Styrene) layer is formed on the outer side of the anti-collision plate, a PC (Poly Carbonate) layer is formed on the inner side of the anti-collision plate, and the ratio of the thickness of the ABS layer to the thickness of the PC layer is 2:3-1:1. The draw-bar box has the advantages that the anti-collision plate manufactured by the ABS layer and the PC layer in reasonable proportion is fixed on the side wall of the front surface of the box body, the EVA protective plate is fixed on the side wall of the back part of the box body, the ABS and the PC have high impact strength and good wear-resisting property, and the EVA has good water resistance and impact resistance, so that the situation that the box body is damaged due to collision in a transportation process can be avoided, the service life of the box body is prolonged and a good using effect is achieved.
Description
Technical field
The utility model relates to draw-bar box.
Background technology
Draw-bar box is gone on a journey to travel as people and is placed a kind of instrument of daily necessities, existing box body of draw-bar box is in travelling process, in delivery or handling process, owing to existing and clashing between casing and casing, or artificial error causes casing to damage, thereby reduced the service life of casing, the use cost that has improved people is high, and Practical Performance is poor.
Utility model content
The technical problems to be solved in the utility model is that existing draw-bar box exists service life short, and people's use cost is high, and Practical Performance is poor, thereby draw-bar box is provided.
In order to solve the problems of the technologies described above; the utility model is achieved through the following technical solutions: draw-bar box; comprise casing, be fixed on pull bar on side, casing back, be fixed on the roller of casing bottom; on the front sidewall of described casing, be fixed with one deck Crashworthy plate; on the back sidewall of described casing, be fixed with one deck EVA baffle; the outside of described Crashworthy plate is abs layer, and the inner side of described Crashworthy plate is PC layer, and the Thickness Ratio of described abs layer and PC layer is 2:3～1:1.
Preferably, the thickness of described Crashworthy plate is 20～30mm, and the thickness of described abs layer is 10～15mm, and anti-collision and anti-fall is effective, easy to process.
Preferably, the cross section of described Crashworthy plate is rectangle or circle, and the front sidewall of described casing is provided with the first cavity of installing with Crashworthy plate, and Crashworthy plate is arranged in the first cavity, is convenient to Crashworthy plate installing/dismounting, connects reliably, and result of use is good.
Preferably, in described the first cavity, be provided with and be convenient to the first groove that Crashworthy plate is installed, described Crashworthy plate is provided with the first fixture block matching with the first groove, described the first groove is cannelure, the width of described the first groove is 3～7mm, also can be convenient to the syndeton that Crashworthy plate is installed for other, and the first groove is connected reliably with the first fixture block, be convenient to Crashworthy plate installing/dismounting, result of use is good.
Preferably; the cross section of described EVA baffle is rectangle or circle; the thickness of described EVA baffle is 15～25mm; the back sidewall of described casing is provided with is convenient to fixedly the second cavity of use of EVA baffle; EVA baffle is fixed in the second cavity; be convenient to EVA baffle installing/dismounting, connect reliably, result of use is good.
Preferably; described the second cavity is provided with the second groove that EVA baffle is installed; described EVA baffle is provided with the second fixture block with the second groove fit; described the second groove is cannelure; the width of described the second groove is 2～6mm, also can be convenient to the syndeton that Crashworthy plate is installed for other, and the second groove is connected reliably with the second fixture block; be convenient to Crashworthy plate installing/dismounting, result of use is good.
Preferably, on described casing, be also provided with cincture, described cincture can installing/dismounting on the casing of roller both sides, by arranging of cincture, guaranteed casing balance more when towing, result of use is good.
Preferably, described pull bar comprises support bar, is movably connected in the king-rod on support bar, at least one expansion link being movably connected on king-rod, and described expansion link is provided with cross bar, has improved the comfort level of casing when drawing row, and Practical Performance is good.
Preferably, described cross bar is provided with retractable handle, is provided with the store-memory module of pull bar collapsing length storage in described retractable handle, is convenient to casing and extracts, and can better control the stroke of pull bar by memory module, and Practical Performance is strong.
Preferably, described cross bar is provided with the loose slot of being convenient to retractable handle activity, and retractable handle is arranged in loose slot, is convenient to the extraction of casing, and result of use is good.
In sum; advantage of the present utility model: make on the front sidewall that Crashworthy plate is fixed on casing through rational proportioning by abs layer and PC layer; EVA baffle is fixed on the back sidewall of casing; because ABS and PC all have higher impact strength, anti-wear performance; EVA has good resistance to water and impact resistance; avoided casing because shock makes casing, to be damaged in transportation, improved the service life of casing, result of use is good.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model draw-bar box;
Fig. 2 is the structural representation of A in Fig. 1;
Fig. 3 is the structural representation of B in Fig. 1;
Fig. 4 is the structural representation of C in Fig. 1.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, draw-bar box, comprise casing 1, be fixed on the pull bar 2 on casing 1 side, back, be fixed on the roller 3 of casing 1 bottom, on the front sidewall of described casing 1, be fixed with one deck Crashworthy plate 4, on the back sidewall of described casing 1, be fixed with one deck EVA baffle 5, the outside of described Crashworthy plate 4 is abs layer 41, the inner side of described Crashworthy plate 4 is PC layer 42, described abs layer 41 is 2:3～1:1 with the Thickness Ratio of PC layer 42, the thickness of described Crashworthy plate 4 is 20～30mm, the thickness of described abs layer 41 is 10～15mm, anti-collision and anti-fall is effective, easy to process, the cross section of described Crashworthy plate 4 is rectangle or circle, the front sidewall of described casing 1 is provided with the first cavity 11 of installing with Crashworthy plate 4, Crashworthy plate 4 is arranged in the first cavity 11, be convenient to Crashworthy plate 4 installing/dismountings, connect reliable, result of use is good, in described the first cavity 11, be provided with and be convenient to the first groove 111 that Crashworthy plate 4 is installed, described Crashworthy plate 4 is provided with the first fixture block 43 matching with the first groove 111, described the first groove 111 is cannelure, the width of described the first groove 111 is 3～7mm, also can be convenient to the syndeton that Crashworthy plate 4 is installed for other, the first groove 111 is connected reliably with the first fixture block 43, be convenient to Crashworthy plate 4 installing/dismountings, result of use is good, the cross section of described EVA baffle 5 is rectangle or circle, the thickness of described EVA baffle 5 is 15～25mm, the back sidewall of described casing 1 is provided with is convenient to fixedly the second cavity 12 of use of EVA baffle 5, EVA baffle 5 is fixed in the second cavity 12, be convenient to EVA baffle 5 installing/dismountings, connect reliable, result of use is good, described the second cavity 12 is provided with the second groove 121 that EVA baffle 5 is installed, described EVA baffle 5 is provided with the second fixture block 51 coordinating with the second groove 121, described the second groove 121 is cannelure, the width of described the second groove 121 is 2～6mm, also can be convenient to the syndeton that Crashworthy plate 4 is installed for other, the second groove 121 is connected reliably with the second fixture block 51, be convenient to Crashworthy plate 4 installing/dismountings, result of use is good, on described casing 1, be also provided with cincture 6, described cincture 6 can installing/dismounting on the casing 1 of roller 3 both sides, by arranging of cincture 6, guaranteed casing 1 balance more when towing, result of use is good, described pull bar 2 comprises support bar 21, be movably connected in the king-rod 22 on support bar 21, at least one expansion link 23 being movably connected on king-rod 22, described expansion link 23 is provided with cross bar 24, improved the comfort level of casing 1 when drawing row, Practical Performance is good, described cross bar 24 is provided with retractable handle 25, in described retractable handle 25, be provided with the store-memory module 251 of pull bar 2 collapsing length storages, being convenient to casing 1 extracts, by memory module, can better control the stroke of pull bar 2, Practical Performance is strong, described cross bar 24 is provided with the loose slot 241 of being convenient to retractable handle 25 activities, retractable handle is arranged in loose slot, be convenient to the extraction of casing 1, result of use is good.
During use; cincture 6 is fixedly mounted on the casing 1 of roller 3 both sides; while dragging; pull bar 2 is adjusted to the height of people's the most comfortable; and by the store-memory module being arranged in stretching handle, the most comfortable height of pull bar 2 is stored; to carry out pull bar 2 next time, regulate, the Crashworthy plate 4 being provided with by casing 1 and EVA baffle 5 guarantee that casing 1 is not damaged when delivery, has improved service life.
By abs layer and PC layer, through rational proportioning, making placement plate is fixed on the front sidewall of casing; EVA baffle is fixed on the back sidewall of casing; because ABS and PC all have higher impact strength, anti-wear performance; EVA has good resistance to water and impact resistance; avoided casing because shock makes casing, to be damaged in transportation; improved the service life of casing, result of use is good.
Claims (10)
1. draw-bar box; comprise casing (1), be fixed on pull bar (2) on casing (1) side, back, be fixed on the roller (3) of casing (1) bottom; it is characterized in that: on the front sidewall of described casing (1), be fixed with one deck Crashworthy plate (4); on the back sidewall of described casing (1), be fixed with one deck EVA baffle (5); the outside of described Crashworthy plate (4) is abs layer (41); the inner side of described Crashworthy plate (4) is PC layer (42), and described abs layer (41) is 2:3～1:1 with the Thickness Ratio of PC layer (42).
2. draw-bar box according to claim 1, is characterized in that: the thickness of described Crashworthy plate (4) is 20～30mm, and the thickness of described abs layer (41) is 10～15mm.
3. draw-bar box according to claim 1, is characterized in that: the cross section of described Crashworthy plate (4) is rectangle or circle, and the front sidewall of described casing (1) is provided with the first cavity (11) of installing with Crashworthy plate (4).
4. draw-bar box according to claim 3, it is characterized in that: in described the first cavity (11), be provided with and be convenient to the first groove (111) that Crashworthy plate (4) is installed, described Crashworthy plate (4) is provided with the first fixture block (43) matching with the first groove (111), described the first groove (111) is cannelure, and the width of described the first groove (111) is 3～7mm.
5. draw-bar box according to claim 1; it is characterized in that: the cross section of described EVA baffle (5) is rectangle or circle; the thickness of described EVA baffle (5) is 15～25mm, and the back sidewall of described casing (1) is provided with is convenient to fixedly second cavity (12) of use of EVA baffle (5).
6. draw-bar box according to claim 5; it is characterized in that: described the second cavity (12) is provided with the second groove (121) that EVA baffle (5) is installed; described EVA baffle (5) is provided with the second fixture block (51) coordinating with the second groove (121); described the second groove (121) is cannelure, and the width of described the second groove (121) is 2～6mm.
7. draw-bar box according to claim 1, is characterized in that: on described casing (1), be also provided with cincture (6), described cincture (6) can installing/dismounting on the casing (1) of roller (3) both sides.
8. draw-bar box according to claim 1, it is characterized in that: described pull bar (2) comprises support bar (21), is movably connected in the king-rod (22) on support bar (21), at least one expansion link (23) being movably connected on king-rod (22), and described expansion link (23) is provided with cross bar (24).
9. draw-bar box according to claim 8, is characterized in that: described cross bar (24) is provided with retractable handle (25), is provided with the store-memory module (251) of pull bar (2) collapsing length storage in described retractable handle (25).
10. draw-bar box according to claim 9, is characterized in that: described cross bar (24) is provided with is convenient to the movable loose slot (241) of retractable handle (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467693.6U CN203399767U (en) | 2013-08-01 | 2013-08-01 | Draw-bar box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467693.6U CN203399767U (en) | 2013-08-01 | 2013-08-01 | Draw-bar box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203399767U true CN203399767U (en) | 2014-01-22 |
Family
ID=49935717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320467693.6U Expired - Fee Related CN203399767U (en) | 2013-08-01 | 2013-08-01 | Draw-bar box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203399767U (en) |
-
2013
- 2013-08-01 CN CN201320467693.6U patent/CN203399767U/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: 20140122 Termination date: 20150801 |
|
| EXPY | Termination of patent right or utility model |