CN213045823U - High-strength pull rod for luggage - Google Patents
High-strength pull rod for luggage Download PDFInfo
- Publication number
- CN213045823U CN213045823U CN202021847870.XU CN202021847870U CN213045823U CN 213045823 U CN213045823 U CN 213045823U CN 202021847870 U CN202021847870 U CN 202021847870U CN 213045823 U CN213045823 U CN 213045823U
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- pull rod
- rod body
- layer
- strength
- high strength
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Abstract
The utility model discloses a pull rod for case and bag of high strength, including the pull rod body, the outside of pull rod body is provided with the high strength layer, one side that the pull rod body was kept away from on the high strength layer is provided with the wearing layer, the material of pull rod body is low alloy steel. The utility model discloses a set up the high strength layer and be used for reaching the advantage that improves pull rod body intensity, make the pull rod body when receiving the collision, can effectual improvement pull rod body's intensity, prevent that the collision damage from appearing in the pull rod body, the life cycle of pull rod body has been increased, be used for reaching the advantage that improves pull rod body wear resistance through setting up the wearing layer, make the pull rod body when the repeated friction uses, can effectual improvement pull rod body's wear resistance, prevent that the friction damage from appearing in the pull rod body, the life cycle of pull rod body has been increased, it is relatively poor to have solved current luggage simultaneously with pull rod intensity, the relatively poor problem of wear resistance.
Description
Technical Field
The utility model relates to a case and bag technical field specifically is a pull rod for case and bag of high strength.
Background
The draw-bar box is a luggage case with draw bars and rollers, which is widely used because of convenient use, and meanwhile, the draw-bar box is also provided with a draw bar which is divided into a single-tube draw bar and a double-tube draw bar, and the tubes of the draw bar are divided into a square tube and a round tube, the suitcase can be dragged by hand or in normal times, the wheels of the suitcase used by people are basically positioned at the bottom of the suitcase, modern people also design a novel draw-bar box, the box is designed into a cylindrical shape, wheels are wholly wrapped outside the box, the roller design enables the draw-bar box to be better suitable for different terrains, for example, the draw-bar box can easily go up and down stairs by directly pulling the box, the draw-bar box mainly takes cloth boxes, ABS hard boxes, leather boxes, PC and the like as main materials in 2012, and the usability of the universal wheel draw-bar box can be divided into three categories, namely a directional wheel, a universal wheel and the latest detachable universal wheel draw-bar box.
In the manufacturing process of the luggage, a pull rod is needed, and the existing pull rod for the luggage has the following defects: the pull rod for the existing luggage has poor strength, the pull rod is easily damaged when collision occurs, in addition, the wear resistance of the pull rod for the existing luggage is poor, and the pull rod is easily damaged by friction when being repeatedly used, so that the service cycle of the pull rod is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pull rod for case and bag of high strength possesses the advantage that improves pull rod body intensity and wear resistance, has solved the relatively poor problem of pull rod intensity and wear resistance for current case and bag.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a case and bag of high strength is with pull rod, includes the pull rod body, the outside of pull rod body is provided with the high strength layer, one side that the pull rod body was kept away from on the high strength layer is provided with the wearing layer.
Preferably, the high-strength layer comprises a steel competition layer and a polyethylene resin layer, the outer side of the pull rod body is connected with the inner side of the steel competition layer in an adhesive mode, and the outer side of the steel competition layer is connected with the inner side of the polyethylene resin layer in an adhesive mode.
Preferably, the wear-resistant layer comprises a polytetrafluoroethylene layer and a cast nylon layer, the outer side of the high-strength layer is in adhesive connection with the inner side of the polytetrafluoroethylene layer, and the outer side of the polytetrafluoroethylene layer is in adhesive connection with the inner side of the cast nylon layer.
Preferably, the material of the pull rod body is low alloy steel.
Preferably, the thickness of the high-strength layer and the thickness of the wear-resistant layer are both smaller than the thickness of the pull rod body.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up the high strength layer and be used for reaching the advantage that improves pull rod body intensity, make the pull rod body when receiving the collision, can effectual improvement pull rod body's intensity, prevent that the collision damage from appearing in the pull rod body, the life cycle of pull rod body has been increased, be used for reaching the advantage that improves pull rod body wear resistance through setting up the wearing layer, make the pull rod body when the repeated friction uses, can effectual improvement pull rod body's wear resistance, prevent that the friction damage from appearing in the pull rod body, the life cycle of pull rod body has been increased, it is relatively poor to have solved current luggage simultaneously with pull rod intensity, the relatively poor problem of wear resistance.
2. The utility model discloses a set up the high strength layer, match steel sheet layer and polyethylene resin layer and mutually support, the effect of improvement pull rod body intensity has been played, make the pull rod body when receiving the collision, can effectual improvement pull rod body's intensity, prevent that the pull rod body from appearing collision damage, the life cycle of pull rod body has been increased, through setting up the wearing layer, polytetrafluoroethylene layer and casting mould nylon layer mutually support, the effect that improves pull rod body wear resistance has been played, make the pull rod body when the repeated friction uses, can effectual improvement pull rod body's wear resistance, prevent that the friction damage from appearing in the pull rod body, the life cycle of pull rod body has been increased, be low alloy steel through setting up the pull rod body material, because low alloy steel's alloy element content is low, and is with low costs, the production process is simple, low alloy steel intensity is high simultaneously, toughness is high.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional structure view of the high-strength layer of the present invention;
fig. 3 is the schematic view of the cross-sectional structure of the wear-resistant layer of the present invention.
In the figure: 1. a pull rod body; 2. a high-strength layer; 21. a steel competition layer; 22. a polyethylene resin layer; 3. a wear layer; 31. a polytetrafluoroethylene layer; 32. and (5) casting a nylon layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, a high-strength luggage pull rod comprises a pull rod body 1, a high-strength layer 2 is arranged on the outer side of the pull rod body 1, a wear-resistant layer 3 is arranged on the side of the high-strength layer 2 away from the pull rod body 1, and the high-strength layer 2 is arranged to improve the strength of the pull rod body 1, so that the pull rod body 1 can effectively improve the strength of the pull rod body 1 when being collided, prevent the pull rod body 1 from being damaged due to collision, increase the service cycle of the pull rod body 1, and improve the wear-resistant performance of the pull rod body 1 by arranging the wear-resistant layer 3, so that the pull rod body 1 can effectively improve the wear-resistant performance of the pull rod body 1 when being repeatedly rubbed for use, prevent the pull rod body 1 from being damaged due to friction, increase the service cycle of the pull rod body 1, and the high-strength layer 2 comprises a steel plate layer, the outside of pull rod body 1 is connected with the inboard bonding of match steel layer 21, the outside of match steel layer 21 is connected with the inboard bonding of polyethylene resin layer 22, wearing layer 3 includes polytetrafluoroethylene layer 31 and casting mould nylon layer 32, the outside of high strength layer 2 is connected with the inboard bonding of polytetrafluoroethylene layer 31, the outside of polytetrafluoroethylene layer 31 is connected with the inboard bonding of casting mould nylon layer 32, the material of pull rod body 1 is low alloy steel, the thickness of high strength layer 2 and wearing layer 3 all is less than the thickness of pull rod body 1, through setting up high strength layer 2, match steel layer 21 and polyethylene resin layer 22 and mutually support, the effect of improving pull rod body 1 intensity has been played, make pull rod body 1 when receiving the collision, can effectual improvement pull rod body 1's intensity, prevent that pull rod body 1 from appearing collision damage, the life cycle of pull rod body 1 has been increased, through setting up wearing layer 3, Polytetrafluoroethylene layer 31 and casting mould nylon layer 32 mutually support, the effect of improving the wear resistance of pull rod body 1 has been played, make pull rod body 1 when the friction use repeatedly, can effectual improvement pull rod body 1's wear resistance, prevent that friction damage from appearing in pull rod body 1, the life cycle of pull rod body 1 has been increased, be low alloy steel through setting up pull rod body 1 material, because low alloy steel's alloy element content is low, and is with low costs, and the production technology is simple, low alloy steel intensity is high simultaneously, and toughness is high.
When the wear-resistant pull rod is used, the high-strength layer 2, the steel playing plate layer 21 and the polyethylene resin layer 22 are arranged to be matched with each other, so that the strength of the pull rod body 1 is improved effectively when the pull rod body 1 is collided, the pull rod body 1 is prevented from being damaged by collision, the service cycle of the pull rod body 1 is prolonged, the wear-resistant layer 3, the polytetrafluoroethylene layer 31 and the cast nylon layer 32 are arranged to be matched with each other, so that the wear-resistant performance of the pull rod body 1 is improved, the wear-resistant performance of the pull rod body 1 is improved effectively when the pull rod body 1 is used by repeated friction, the pull rod body 1 is prevented from being damaged by friction, the service cycle of the pull rod body 1 is prolonged, the advantages of improving the strength and the wear-resistant performance of the pull rod body 1 are achieved, the pull rod body 1 is made of low alloy steel, and the content of alloy steel is, low cost, simple production process, high strength of low alloy steel and high toughness.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a pull rod for case and bag of high strength, includes pull rod body (1), its characterized in that: the outer side of the pull rod body (1) is provided with a high-strength layer (2), and one side, away from the pull rod body (1), of the high-strength layer (2) is provided with a wear-resistant layer (3).
2. A high-strength luggage pull rod according to claim 1, wherein: the high-strength layer (2) comprises a steel competition layer (21) and a polyethylene resin layer (22), the outer side of the pull rod body (1) is connected with the inner side of the steel competition layer (21) in an adhesive mode, and the outer side of the steel competition layer (21) is connected with the inner side of the polyethylene resin layer (22) in an adhesive mode.
3. A high-strength luggage pull rod according to claim 1, wherein: the wear-resistant layer (3) comprises a polytetrafluoroethylene layer (31) and a cast nylon layer (32), the outer side of the high-strength layer (2) is bonded with the inner side of the polytetrafluoroethylene layer (31), and the outer side of the polytetrafluoroethylene layer (31) is bonded with the inner side of the cast nylon layer (32).
4. A high-strength luggage pull rod according to claim 1, wherein: the pull rod body (1) is made of low alloy steel.
5. A high-strength luggage pull rod according to claim 1, wherein: the thickness of the high-strength layer (2) and the thickness of the wear-resistant layer (3) are both smaller than that of the pull rod body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021847870.XU CN213045823U (en) | 2020-08-28 | 2020-08-28 | High-strength pull rod for luggage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021847870.XU CN213045823U (en) | 2020-08-28 | 2020-08-28 | High-strength pull rod for luggage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213045823U true CN213045823U (en) | 2021-04-27 |
Family
ID=75555152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021847870.XU Expired - Fee Related CN213045823U (en) | 2020-08-28 | 2020-08-28 | High-strength pull rod for luggage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213045823U (en) |
-
2020
- 2020-08-28 CN CN202021847870.XU patent/CN213045823U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 Termination date: 20210828 |