Trolley case bottom plastic frame with good waterproof effect

Abstract

The utility model discloses a draw-bar box bottom plastic frame with a good waterproof effect, and belongs to the technical field of ball mills. The bottom plastic frame comprises a luggage rod and a bottom frame, the luggage rod is fixedly connected to the bottom frame, a shell is fixedly connected to the front face of the bottom frame, a reel is rotationally connected into the shell, waterproof cloth used for wrapping the draw-bar box is wound on the reel, and the shell is provided with a spring used for enabling the reel to continuously wind the waterproof cloth. The two ends of the spring are fixedly connected with the shell and the reel respectively, and the shell is provided with a limiting mechanism used for limiting rotation of the reel. According to the waterproof draw-bar box, the reel with the clockwork spring is utilized, so that the waterproof cloth can be wound on the reel for storage, the waterproof cloth is pulled out from the reel when the waterproof cloth needs to be used, and the waterproof cloth is wrapped on the draw-bar box, so that the waterproof performance of the draw-bar box is enhanced in the mode, and rainwater is prevented from permeating into the draw-bar box in rainy days.

Description

Technical Field

[0001] The utility model relates to the technical field of ball mills, and particularly relates to a plastic frame at the bottom of a trolley case with good waterproof effect. Background Art

[0002] Existing trolley cases have various structural forms. Some directly connect the pull rod and the roller to the body of the trolley case, while others additionally set up a bottom frame for installing the roller and the pull rod, and then install the body on the bottom frame. The latter can further expand the functions of the trolley case on the bottom frame. However, the existing bottom frame structure is relatively simple and does not further strengthen the functions of the trolley case. Therefore, a new type of bottom frame is needed to solve this problem. Summary of the Utility Model

[0003] Other features and advantages of the present utility model will be described in the following specification, and will become partially obvious from the specification, or can be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the structures specifically pointed out in the specification and other specification drawings.

[0004] The purpose of the present utility model is to overcome the above deficiencies and provide a plastic frame at the bottom of a trolley case with good waterproof effect.

[0005] To achieve the above objective, the technical solution of the present utility model is: a plastic frame at the bottom of a trolley case with good waterproof effect, including a luggage rod and a bottom frame. The luggage rod is fixedly connected to the bottom frame. A housing is fixedly connected to the front of the bottom frame. A reel is rotatably connected inside the housing. A waterproof cloth for wrapping the trolley case is wound on the reel. The housing is provided with a spring for continuously winding the waterproof cloth on the reel. Two ends of the spring are respectively fixedly connected to the housing and the reel. The housing is provided with a limiting mechanism for restricting the rotation of the reel.

[0006] By adopting the above technical solution, by using a reel with a spring, the waterproof cloth can be wound on the reel for storage. When in use, the waterproof cloth is pulled out from the reel and wrapped around the trolley case. In this way, the waterproof performance of the trolley case is enhanced to prevent rainwater from seeping into the trolley case on rainy days. The limiting mechanism is used to restrict the rotation of the reel so that the waterproof cloth can maintain the pulled-out state. When storage is needed, the waterproof cloth is folded to a certain extent and then the limit of the limiting mechanism is released, so that the spring releases its elastic force to wind the waterproof cloth.

[0007] Preferably, the waterproof cloth includes a main cloth body for wrapping the front and back of the suitcase and two side cloth bodies for wrapping the two sides of the suitcase. The two side cloth bodies are stitched and connected to both sides of the main cloth body. One end of the main cloth body is fixedly connected to the reel, and the other end of the main cloth body is detachably connected to the bottom frame through a first connecting component. The two side cloth bodies are detachably connected to each other through a second connecting component. When wrapping the suitcase with the present utility model, after pulling out the entire waterproof cloth, first wrap the two side cloth bodies around the two sides of the suitcase, then connect the two side cloth bodies at the back of the suitcase through the second connecting component, and then bypass one end of the main cloth body around the top of the suitcase and connect it to the bottom frame through the first connecting component. At this time, the main cloth body can wrap the front, top, and back of the suitcase, thus realizing the wrapping of the entire suitcase.

[0008] Preferably, a baffle for wrapping the top of the suitcase is provided on the two side cloth bodies. The baffle is detachably connected to the main cloth body through a third connecting component. After the side cloth bodies wrap around the two sides of the suitcase in the present utility model, by folding the two baffles to fit on the top of the suitcase, and then covering the main cloth body on the two baffles and using the third connecting component to fix the two baffles, in this way, the gap between the main cloth body and the side cloth bodies can be blocked, making the waterproof effect better.

[0009] Preferably, the first connecting component includes a hook, the hook is fixedly connected to the back of the bottom frame, and the main cloth body is provided with a hook hole for hooking on the hook. The present utility model realizes the detachable connection between the main cloth body and the bottom frame by hooking the hook and the hook hole on the end of the main cloth body.

[0010] Preferably, the second connecting component includes two extension cloths and two first Velcros. The two extension cloths are respectively stitched and connected to the two side cloth bodies, the two first Velcros are respectively arranged on the two extension cloths, and the two first Velcros are adhesively connected to each other. The present utility model uses the extension cloths to enable the two side cloth bodies to extend to the back of the suitcase, and realizes the detachable connection between the two side cloth bodies through the adhesive connection of the two first Velcros.

[0011] Preferably, the third connecting component includes a second Velcro and two third Velcros. The second Velcro is fixedly connected to the main cloth body, the two second Velcros are respectively fixedly connected to the two baffles, and the two third Velcros are both adhesively connected to the second Velcro. When the baffle covers the top of the suitcase in the present utility model, the two third Velcros are exactly facing upwards. At this time, after the main cloth body covers the baffle, the second Velcro can be adhesively connected to the two third Velcros, realizing the detachable connection between the baffle and the main cloth body.

[0012] Preferably, the limiting mechanism includes an inner ratchet and a plurality of spring pieces, the plurality of spring pieces are all connected to the reel in a transmission manner, the inner ratchet is fixedly connected in the housing, the plurality of spring pieces abut against the ratchet teeth of the inner ratchet, and the housing is provided with a control mechanism for releasing the limit of the limiting mechanism. In the utility model, when the reel rotates in the direction of releasing the waterproof cloth, the spring piece will press against the inclined surface of the ratchet teeth of the inner ratchet, and deform over the ratchet teeth under the action of the inclined surface, so that the waterproof cloth can be pulled out, and when the reel is to reverse and rewind the waterproof cloth under the elastic force of the spring, the spring piece will be inserted into the tooth groove between the two ratchets, so that the reel cannot rotate, and the spring piece can be separated from the inner ratchet through the control mechanism, thereby releasing the limit on the reel, so that the waterproof cloth can be rewinded under the action of the spring.

[0013] Preferably, the control mechanism includes a pulling member and an elastic member, a plurality of the spring sheets are connected to the reel through the pulling member, a plurality of the spring sheets are fixedly connected to the pulling member, the pulling member is slidably connected to the reel, and the elastic member is arranged between the housing and the pulling member. The utility model can drive the spring sheet to disengage from the inner ratchet by driving the pulling member to overcome the sliding of the elastic member, thereby releasing the limit on the reel, and after the pulling member is released, the elastic member will release the elastic force so that the spring sheet will re-match with the inner ratchet.

[0014] Preferably, the two sides of the bottom frame are rotatably connected with a pressing plate, and two magnets are arranged between the pressing plate and the bottom frame, and the two magnets are fixedly connected to the pressing plate and the bottom frame respectively, and the two magnets attract each other. The utility model can sandwich the two side cloth bodies between the two magnets by using two pressing plates and two magnets, so that the lower end of the side cloth body can be attached to the bottom frame, further enhancing the waterproof effect.

[0015] In summary, the beneficial effects of the utility model are:

[0016] 1. Use a reel with a spring to roll up the waterproof cloth on the reel for storage. When needed, pull the waterproof cloth out of the reel and wrap it around the suitcase. This way, the waterproof performance of the suitcase can be enhanced to prevent rainwater from seeping into the suitcase on rainy days.

[0017] 2. By folding the two baffles and fitting them on the top of the suitcase, the main cloth body is covered on the two baffles and the two baffles are fixed by connecting components three. In this way, the gap between the main cloth body and the side cloth body can be blocked, making the waterproof effect better.

[0018] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

[0019] Without a doubt, such objectives of the present utility model and other objectives will become more apparent after the detailed description of the preferred embodiments described below with multiple drawings and illustrations.

[0020] To make the above and other objectives, features, and advantages of the present utility model more obvious and understandable, one or several preferred embodiments are specifically given below, and in conjunction with the illustrated drawings, the detailed description is as follows. Brief Description of the Drawings

[0021] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model.

[0022] In the drawings, the same components are denoted by the same reference numerals, and the drawings are schematic and not necessarily drawn to actual scale.

[0023] To more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following-described drawings are only one or several embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on such drawings.

[0024] Figure 1 It is a schematic diagram of the overall structure;

[0025] Figure 2 It is a schematic diagram of the front structure of the waterproof cloth;

[0026] Figure 3 It is a schematic diagram of the back structure of the waterproof cloth;

[0027] Figure 4 It is a schematic diagram of the internal structure of the housing;

[0028] Figure 5 It is a schematic diagram of the structure of the limiting mechanism;

[0029] Figure 6 It is a schematic diagram of the structure of the spring;

[0030] Figure 7 It is a schematic diagram of the structure of the pressing plate.

[0031] Main reference numeral descriptions: 1. Luggage rod; 2. Bottom frame; 3. Housing; 4. Reel; 5. Waterproof cloth; 6. Spring; 7. Main cloth body; 8. Side cloth body; 9. Baffle cloth; 10. Hook; 11. Hook hole; 12. Extension cloth; 13. Magic tape one; 14. Magic tape two; 15. Magic tape three; 16. Inner ratchet; 17. Elastic piece; 18. Pulling member; 19. Elastic member; 20. Pressing plate; 21. Magnet. Detailed implementation manners

[0032] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with specific implementation manners. It should be understood that the specific implementation manners described herein are only used to explain the present utility model, but not to limit the present utility model.

[0033] In addition, in the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0034] In the present utility model, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements. However, indicating a direct connection means that there is no connection relationship constructed through a transition structure between the two connected main bodies, and only a connection structure is used to connect them to form a whole. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may be the direct contact between the first and second features, or the indirect contact between the first and second features through an intermediate medium. In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

[0036] Such as Figure 1-7As shown in the figure, a plastic frame at the bottom of a trolley case with good waterproof effect includes a luggage rod 1 and a bottom frame 2. The luggage rod 1 is fixedly connected to the bottom frame 2. A housing 3 is fixedly connected to the front of the bottom frame 2. A reel 4 is rotatably connected inside the housing 3. A waterproof cloth 5 for wrapping the trolley case is wound on the reel 4. The housing 3 is provided with a spring 6 for continuously winding the waterproof cloth 5 on the reel 4. Two ends of the spring 6 are respectively fixedly connected to the housing 3 and the reel 4. The housing 3 is provided with a limiting mechanism for restricting the rotation of the reel 4.

[0037] By adopting the above technical solution, by using the reel 4 with the spring 6, the waterproof cloth can be wound on the reel 4 for storage. When in use, the waterproof cloth 5 is pulled out from the reel 4 and wrapped around the trolley case. In this way, the waterproof performance of the trolley case is enhanced, and rainwater is prevented from seeping into the trolley case on rainy days. The limiting mechanism is used to restrict the rotation of the reel 4, so that the waterproof cloth 5 can maintain the pulled-out state. When storage is needed, the waterproof cloth 5 is folded to a certain extent and then the limit of the limiting mechanism is released, so that the spring 6 releases elastic force to wind the waterproof cloth 5.

[0038] The waterproof cloth 5 includes a main cloth body 7 for wrapping the front and back of the trolley case and two side cloth bodies 8 for wrapping the two sides of the trolley case. The two side cloth bodies 8 are sewn and connected to both sides of the main cloth body 7. One end of the main cloth body 7 is fixedly connected to the reel 4, and the other end of the main cloth body 7 is detachably connected to the bottom frame 2 through a first connecting component. The two side cloth bodies 8 are detachably connected to each other through a second connecting component. When wrapping the trolley case, after pulling out the entire waterproof cloth 5, first wrap the two side cloth bodies 8 around the two sides of the trolley case, then connect the two side cloth bodies 8 at the back of the trolley case through the second connecting component, and then bypass one end of the main cloth body 7 over the top of the trolley case and connect it to the bottom frame 2 through the first connecting component. At this time, the main cloth body 7 can wrap the front, top and back of the trolley case, thus realizing wrapping the entire trolley case.

[0039] Two side cloth bodies 8 are provided with a baffle cloth 9 for wrapping the top of the trolley case. The baffle cloth 9 is detachably connected to the main cloth body 7 through a third connecting component. After the side cloth bodies 8 wrap around the two sides of the trolley case, by folding the two baffle cloths 9 to fit on the top of the trolley case, and then covering the main cloth body 7 on the two baffle cloths 9 and using the third connecting component to fix the two baffle cloths 9, in this way, the gap between the main cloth body 7 and the side cloth bodies 8 can be blocked, making the waterproof effect better.

[0040] The first connecting component includes a hook 10. The hook 10 is fixedly connected to the back of the bottom frame 2. The main cloth body 7 is provided with a hook hole 11 for hooking on the hook 10. By hooking the hook 10 and the hook hole 11 at the end of the main cloth body 7 with each other, the detachable connection between the main cloth body 7 and the bottom frame 2 is realized.

[0041] The connecting component two includes two extension cloths 12 and two first velcros 13. The two extension cloths 12 are respectively stitched and connected to the two side cloth bodies 8. The two first velcros 13 are respectively arranged on the two extension cloths 12, and the two first velcros 13 are adhesively connected to each other. By using the extension cloths 12, the two side cloth bodies 8 can extend to the back of the suitcase, and through the adhesive connection of the two first velcros 13 to each other, the detachable connection between the two side cloth bodies 8 is realized.

[0042] The connecting component three includes a second velcro 14 and two third velcros 15. The second velcro 14 is fixedly connected to the main cloth body 7. The two second velcros 14 are respectively fixedly connected to the two baffle cloths 9. The two third velcros 15 are both adhesively connected to the second velcro 14. When the baffle cloths 9 cover the top of the suitcase, the two third velcros 15 are exactly upward. At this time, after the main cloth body 7 covers the baffle cloths 9, the second velcro 14 can be adhesively connected to the two third velcros 15 to realize the detachable connection between the baffle cloths 9 and the main cloth body 7.

[0043] The limiting mechanism includes an inner ratchet 16 and a plurality of elastic pieces 17. The plurality of elastic pieces 17 are all in transmission connection with the reel 4. The inner ratchet 16 is fixedly connected inside the housing 3. The plurality of elastic pieces 17 are all abutted against the ratchet teeth of the inner ratchet 16. The housing 3 is provided with a control mechanism for releasing the limitation of the limiting mechanism. When the reel 4 rotates in the direction of releasing the waterproof cloth 5, the elastic pieces 17 will press against the inclined surfaces of the ratchet teeth of the inner ratchet 16 and deform and cross over the ratchet teeth under the action of the inclined surfaces, so that the waterproof cloth 5 can be pulled out. When the reel 4 wants to reverse and wind up the waterproof cloth 5 under the elastic force of the spring 6, the elastic pieces 17 will insert into the tooth grooves between the two ratchet teeth, so that the reel 4 cannot rotate. Through the control mechanism, the elastic pieces 17 can be separated from the inner ratchet 16, so as to release the limitation on the reel 4 and enable it to wind up the waterproof cloth 5 under the action of the spring 6.

[0044] The control mechanism includes a pulling member 18 and an elastic member 19. The plurality of elastic pieces 17 are all in transmission connection with the reel 4 through the pulling member 18. The plurality of elastic pieces 17 are all fixedly connected to the pulling member 18. The pulling member 18 is slidably connected to the reel 4. The elastic member 19 is arranged between the housing 3 and the pulling member 18. By driving the pulling member 18 to slide against the elastic member 19, the elastic pieces 17 can be driven to disengage from the inner ratchet 16, so as to release the limitation on the reel 4. After releasing the pulling member 18, the elastic member 19 will release the elastic force to make the elastic pieces 17 cooperate with the inner ratchet 16 again.

[0045] Two pressing plates 20 are rotatably connected to both sides of the bottom frame 2. Two magnets 21 are arranged between the pressing plates 20 and the bottom frame 2. The two magnets 21 are respectively fixedly connected to the pressing plates 20 and the bottom frame 2, and the two magnets 21 attract each other. By using the two pressing plates 20 and the two magnets 21, the two side cloth bodies 8 can be clamped between the two magnets 21, so that the lower ends of the side cloth bodies 8 can be attached to the bottom frame 2, further enhancing the waterproof effect.

[0046] It should be noted that many specific details are set forth in the above description to facilitate a full understanding of the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present utility model is not limited by the specific embodiments disclosed below.

Claims

1. A bottom plastic frame of a trolley case with good waterproof effect, comprising a luggage rod (1) and a bottom frame (2), wherein the luggage rod (1) is fixedly connected to the bottom frame (2), and is characterized in that: The front side of the bottom frame (2) is fixedly connected to a shell (3), a reel (4) is rotatably connected inside the shell (3), a waterproof cloth (5) for wrapping the suitcase is rolled up on the reel (4), the shell (3) is provided with a spring (6) for enabling the reel (4) to continuously roll up the waterproof cloth (5), the two ends of the spring (6) are respectively fixedly connected to the shell (3) and the reel (4), and the shell (3) is provided with a limit mechanism for limiting the rotation of the reel (4).

2. The bottom plastic frame of a suitcase with good waterproof effect according to claim 1, characterized in that: The waterproof cloth (5) comprises a main cloth body (7) for wrapping the front and back of the trolley case and two side cloth bodies (8) for covering the two sides of the trolley case, the two side cloth bodies (8) are sewn and connected to the two sides of the main cloth body (7), one end of the main cloth body (7) is fixedly connected to the reel (4), the other end of the main cloth body (7) is detachably connected to the bottom frame (2) via a first connecting component, and the two side cloth bodies (8) are detachably connected to each other via a second connecting component.

3. The bottom plastic frame of a suitcase with good waterproof effect according to claim 2, characterized in that: The two side cloth bodies (8) are provided with a blocking cloth (9) for wrapping the top of the trolley case, and the blocking cloth (9) is detachably connected to the main cloth body (7) via a connecting component three.

4. The bottom plastic frame of a suitcase with good waterproof effect according to claim 2, characterized in that: The first connecting component comprises a hook (10), wherein the hook (10) is fixedly connected to the back of the bottom frame (2), and the main fabric body (7) is provided with a hook hole (11) for hooking onto the hook (10).

5. The bottom plastic frame of a suitcase with good waterproof effect according to claim 2, characterized in that: The connecting component 2 comprises two extension cloths (12) and two Velcro strips 1 (13); the two extension cloths (12) are respectively connected to the two side cloth bodies (8) by sewing; the two Velcro strips 1 (13) are respectively arranged on the two extension cloths (12); and the two Velcro strips 1 (13) are bonded to each other.

6. The bottom plastic frame of a suitcase with good waterproof effect according to claim 3, characterized in that: The connecting component three comprises a Velcro 2 (14) and two Velcro 3 (15), wherein the Velcro 2 (14) is fixedly connected to the main cloth body (7), the two Velcro 2 (14) are respectively fixedly connected to the two baffle cloths (9), and the two Velcro 3 (15) are both bonded to the Velcro 2 (14).

7. The bottom plastic frame of a suitcase with good waterproof effect according to claim 1, characterized in that: The limiting mechanism comprises an inner ratchet (16) and a plurality of spring sheets (17), wherein the plurality of spring sheets (17) are all transmission-connected to the reel (4), the inner ratchet (16) is fixedly connected in the housing (3), the plurality of spring sheets (17) are all in contact with the ratchet teeth of the inner ratchet (16), and the housing (3) is provided with a control mechanism for releasing the limitation of the limiting mechanism.

8. The bottom plastic frame of a suitcase with good waterproof effect according to claim 7, characterized in that: The control mechanism comprises a pulling member (18) and an elastic member (19); a plurality of the elastic sheets (17) are connected to the reel (4) in a transmission manner via the pulling member (18); a plurality of the elastic sheets (17) are fixedly connected to the pulling member (18); the pulling member (18) is slidably connected to the reel (4); and the elastic member (19) is arranged between the housing (3) and the pulling member (18).

9. The bottom plastic frame of a suitcase with good waterproof effect according to claim 1, characterized in that: A pressure plate (20) is rotatably connected to both sides of the bottom frame (2), and two magnets (21) are arranged between the pressure plate (20) and the bottom frame (2). The two magnets (21) are fixedly connected to the pressure plate (20) and the bottom frame (2) respectively, and the two magnets (21) attract each other.

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