JP2019195913A - Manufacturing method of roof box, and structure of roof box thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To have safety when driving a vehicle equipped with a roof box, having a seam-free solid structure and waterproof property, requiring no fasteners, having a light weight that can be easily worked by one person. Providing a roof box manufacturing method and roof box structure that guarantees A blow molding mold is provided, materials are injected and blown to form a roof box 30, and an access gate 40 is formed. The manufacturing method includes steps, and at least one side of the roof box 30 is cut. Thereby, at least one access gate 40 is formed in the roof box 30 formed by the blow molding manufacturing method, and at least one roof box door releasably coupled to and attached to each access gate 40. The structure of the roof box 30 including 60. [Selection diagram] Fig. 5B

Description

  The present invention relates to a roof box manufacturing method and a roof box structure, and more specifically to a blow molded roof box manufacturing method and a roof box structure formed by a blow molding manufacturing method.

  Nowadays, consumer demand for roof boxes is increasing due to wide use of automobiles. However, various roof boxes have been manufactured, but only the appearance or decoration has been changed, and the basic structural characteristics of the roof box are still the combination of the top lid and the bottom bottom in principle.

  That is, each and every well-known existing roof box that is on the market or used is basically a top lid joined to the bottom bottom with several fasteners, The result is the considerable weight and thickness necessary to ensure structural strength, the vulnerability to wind separation or damage during operation, and the vulnerability of the roof box contents to be damaged by water leaks.

  Furthermore, the weight of the well-known roof box is very heavy, and it is extremely difficult or impossible for one person to use the roof box, and it is installed on the top of the car by one person or operated on the top of the car. The same is true.

  Therefore, it is effectively formed by lightweight materials without joints exposed to the wind, strong structural strength, and waterproof, can be easily installed or removed by one person, and most importantly, To provide a blow molded roof box manufacturing method or a roof box structure that prevents the roof box from being separated by wind during operation and meets the progress and expectations of automobile manufacturers from the viewpoints of low cost, high efficiency, and safety is necessary.

  The present invention relates to a roof box manufacturing method and a roof box structure. The manufacturing method includes the process steps of providing a blow mold and injecting and blowing material to form a roof box and an access gate. The blow molded roof box structure includes a roof box formed by blow molding and at least one roof box door. In the practice of the present invention, the blow molded roof box is firmly constructed, has no joints, and is waterproof. It does not require fasteners and has the advantage of budget savings. Lightweight that can be easily operated by one person. Furthermore, separation of the upper part and the lower part can be prevented, and safety when driving a vehicle equipped with a roof box on the top is ensured.

  The present invention provides a method for manufacturing a blow molded roof box, and is a process step for providing a blow mold, which is an openable three-dimensional blow mold having a material inlet and a blow inlet. A process step that is a mold and a process step in which a material is injected and blown, wherein a plastic material is injected from the material inlet into the blow mold and then fluid is injected or blown into the blow mold The plastic material is uniformly distributed on the inner surface of the blow molding die and the roof box forming step, the plastic material evenly distributed on the inner surface of the blow molding die is cooled, A process step of forming a roof box by being taken out from a blow mold, and a process step of forming an access gate A is includes process steps which are formed by at least one access gate is cut at least one side of the roof box.

  The present invention also provides a blow molded roof box structure, which is formed by a blow molded manufacturing method in which at least one access gate is formed by cutting at least one side of the roof box. A roof box and at least one roof box door releasably coupled to and attached to each access gate.

  Implementation of the invention includes at least the following inventive features.

1. There is no windward joint portion exposed to the wind, and it has strong structural strength and waterproofness.

2. In order to ensure driving safety while providing a roof box at the top of the car rather than an upper lid + lower bottom structure, the roof box is prevented from being separated by wind during driving.

  3. A powerful structural force is efficiently formed by the lightweight material, and it can be operated by one person.

  4). No fastener is required.

  5. Significantly reduce manufacturing and material costs.

  The features and advantages of the invention will be described in detail hereinafter with reference to preferred embodiments. The detailed description is intended to enable those skilled in the art to gain insight into the technical content disclosed herein and to properly practice the present invention. Specifically, those skilled in the art can easily understand the objects and advantages of the present invention by referring to the specification, claims, and accompanying drawings.

  The invention and preferred modes of use, as well as its objects and advantages, are best understood by referring to the following detailed description of exemplary embodiments when read in conjunction with the accompanying drawings.

FIG. 1 is a process step diagram of a blow molded roof box manufacturing method according to an embodiment of the present invention. FIG. 2A is a schematic three-dimensional drawing of a blow mold according to an embodiment of the present invention. FIG. 2B is another schematic three-dimensional drawing of a blow mold according to an embodiment of the present invention. FIG. 2C is a schematic view of a blow molding die blown from a blow inlet to produce a plastic material evenly spread on the inner surface of the blow molding die according to an embodiment of the present invention. FIG. 3A is a schematic three-dimensional drawing of a blow molded roof box according to an embodiment of the present invention. FIG. 3B is a schematic three-dimensional drawing of a blow molded roof box with an access gate according to an embodiment of the present invention. FIG. 3C is another schematic three-dimensional drawing of a blow molded roof box with an access gate, according to an embodiment of the present invention. FIG. 4A is a process step diagram of a method of manufacturing a blow molded roof box that further includes a process step of forming a water guide groove according to an embodiment of the present invention. FIG. 4B is a schematic three-dimensional drawing of a blow molded roof box formed by the process steps of FIG. 4A, in accordance with an embodiment of the present invention. FIG. 4C is a process step diagram of a method of manufacturing a blow molded roof box further including process steps for forming a roof box door according to an embodiment of the present invention. FIG. 5A is a process step diagram of a method for manufacturing a blow molded roof box further including process steps for forming water guide grooves and process steps for forming a roof box door, in accordance with an embodiment of the present invention. FIG. 5B is a schematic three-dimensional drawing of a blow molded roof box formed by the process steps of FIG. 5A, in accordance with an embodiment of the present invention. FIG. 5C is a schematic three-dimensional drawing of a blow molded roof box with an access gate sealed with a roof box, in accordance with an embodiment of the present invention. FIG. 6A is a schematic three-dimensional drawing of a blow molded roof box with a link lock according to an embodiment of the present invention. FIG. 6B is a schematic three-dimensional drawing of a blow molded roof box in which the roof box door is locked to cover the access gate on the roof box by a link lock, in accordance with an embodiment of the present invention. FIG. 7A is a schematic three-dimensional view of a blow molded roof box with at least one reinforcing rib formed on the bottom side of the roof box, in accordance with an embodiment of the present invention. FIG. 7B is a schematic three-dimensional drawing of a blow molded roof box equipped with an air pump and connected with a link lock, according to an embodiment of the present invention. FIG. 8A is a schematic three-dimensional drawing of a blow molded roof box in which the roof box door is an open top roof box door according to an embodiment of the present invention. FIG. 8B is a schematic three-dimensional drawing of a blow molded roof box in which the roof box door is a lower open roof box door according to an embodiment of the present invention. FIG. 8C is a schematic three-dimensional drawing of a blow molded roof box in which the roof box door is a sideways open roof box door according to an embodiment of the present invention. FIG. 9 is a schematic three-dimensional drawing of a blow molded roof box according to an embodiment of the present invention. FIG. 10 is a schematic three-dimensional drawing of a blow molded roof box further comprising at least one water guide groove according to an embodiment of the present invention. FIG. 11 is a schematic three-dimensional drawing of a blow molded roof box in which the roof box door is locked on the roof box to cover the access gate according to another embodiment of the present invention. is there. FIG. 12A is a schematic three-dimensional drawing of a blow molded roof box with at least one reinforcing rib formed on the bottom side of the roof box according to an embodiment of the present invention. FIG. 12B is a schematic three-dimensional drawing of a blow molded roof box with at least one reinforcing rib and at least one water guide groove, in accordance with an embodiment of the present invention.

  Referring to FIG. 1, in an embodiment of the present invention, a method for manufacturing a blow molded roof box S100 includes a step of providing a blow mold (step S10), a step of injecting and blowing material (step S20), and a roof box. Forming a step (step S30), and forming an access gate (step S40).

  As shown in FIGS. 1, 2A, 2B and 3A, in the step of providing a blow mold (step S10), the blow mold 10 is openable 3 used to manufacture the roof box 30. The blow mold 10 has a material injection port 21 and a blow injection port 22.

  1, 2A and 2B, the material injection port 21 of the blow mold 10 may be formed on one of the short sides of the blow mold 10. Further, when the material injection port is on the upper side, the material injected from the material injection port 21 may be filled from above.

  As shown in FIGS. 2A and 2B, the blow inlet 22 may be formed on any side of the blow mold 10, and in another embodiment, the blow inlet 22 is on the same side as the material inlet 21. Has been placed.

  Referring to FIGS. 1, 2A, 2B, 2C and 3A, in the material injection and blowing process step (step S20), the plastic material 20 is injected from the material injection port 21 into the blow mold 10 and then the plastic. Fluid is injected or blown from the blow inlet 22 into the blow mold 10 so that the material 20 is evenly distributed on the inner wall of the blow mold 10.

  As shown in FIG. 2C, in the process step of injecting and blowing material (step S20), after the plastic material 20 is injected into the blow molding die 10 and the blow molding die 10 is closed, the material inlet 21 Is closed, thereby preventing the plastic material 20 from spreading from the material inlet 21. The blowing of the plastic material 20 may be blowing air, gas or fluid through the blow inlet 22 with the blow pin 23, and the blow pin 23 causes the plastic material 20 to leak out of the blow inlet 22. In order to prevent this, the blow inlet 22 is blocked simultaneously.

  Further, as shown in FIG. 2C, the plastic material 20 injected from the material injection port 21 is evenly applied to the inner surface of the blow molding die 10 that forms the same shape as the blow molding die 10 so as to inflate the balloon. Infused.

  In use, the plastic material 20 described above may be high density polyethylene (HDPE), polycarbonate (PC), polypropylene (PP) or other lightweight and durable material. The air, fluid or gas blown into the blow mold 10 may be at least 1 atm (1 atm = 76 cmHg = 1013 mb) of pure air or nitrogen with air pressure.

  As shown in FIGS. 1, 2A, 2B, 2C and 3A, in the process step of forming the roof box (step S30), the plastic material 20 evenly spread on the inner surface of the blow molding die 10 is cooled and blown. The mold 10 is opened and the cooled plastic material 20 is removed from the blow mold 10 to form the roof box 30.

  In use, the shape of the roof box 30 may be changed using a blow mold 10 having a different shape. Produced or formed by blow molding roof box manufacturing method S100, the seamless lump roof box 30 is lightweight, has a strong structural force, is completely waterproof, and does not require fasteners. Significantly reduce costs and material costs.

  As shown in FIGS. 1, 2B, 3B, and 3C, in the process step of forming an access gate (step S40), at least one access to remove or place an object from the roof box 30 The gate 40 is formed by cutting out at least one side 31 of the roof box 30. As shown in FIGS. 3B and 3C, the access gate 40 may be a cut portion formed on at least one of the left side, the right side, or the rear side of the roof box 30. Due to the integrity of the roof box 30, the previously described blow inlet 22 may be formed at an associated location of the access gate 40 of the blow mold 10.

  Referring to FIGS. 3C and 4A, the method of manufacturing the blow molded roof box S100 may further include a process step (step S50) of forming a water guide groove, wherein at least one water guide groove 50 is a roof around the access gate 40. It is formed on the surface of the box 30. The water guide groove 50 has an effect of waterproofing the roof box, guiding water, and reinforcing structural force.

  As shown in FIG. 4B, the water guiding groove 50 is formed on the surface of the roof box 30 around the access gate 40, and reinforces the structural force of the roof box together with the water guiding effect.

  Referring to FIG. 4C, the method of manufacturing the blow molded roof box S100 may further include a step of forming a roof box door (step S60). The roof box door 60 covers the access gate 40 on the roof box 30. To be formed.

  As shown in FIGS. 5A, 5B and 5C, the blow molded roof box S100 further includes a process step (step S50) for forming a water guide groove and a process step (step S60) for forming a roof box door. And thereby formed to have the water guide groove 50 and the roof box door 60 simultaneously.

  Accordingly, a portion of the roof box door 60 is firmly inserted into the water guiding groove 50 when covering the access gate 40, thereby making the entire roof box 30 completely waterproof.

  Furthermore, as shown in FIGS. 6A and 6B, the link lock 80 may be formed on or secured to the roof box door 60, and the roof box door 60 may be connected to the link lock 80. To lock the access gate 40 on the roof box 30.

  As shown in FIGS. 7A and 7B, the air pump 70 may be coupled or fixed to the roof box door 60, and then the roof box door 60 can be smoothly opened and closed using the air pressure of the air pump 70.

  As shown in FIG. 7B, the air pump 70 is connected to each of the roof box doors 60 on both sides of the roof box 30, and these two air pumps 70 are connected to a link rod 71 fixed to the roof box 30. Thus, the roof box door 60 can be more stable in an optimal position.

  As shown in FIGS. 8A, 8B and 8C, the type of roof box door 60 may be an upper open door, a lower open door or a sideways open door.

  As shown in FIGS. 7A, 8A, 8B and 8C, at least one reinforcing rib 90 is formed on the bottom side 32 of the roof box 30 in order to significantly improve structural strength and durability during high speed operation. Also good.

  FIG. 9 is an embodiment of a blow molded roof box structure 100, which includes a roof box 30 formed by a blow molding manufacturing method and at least one roof box door 60.

  As shown in FIG. 9, one access gate 40 is formed on at least one side 31 of the roof box 30, and the roof box door 60 is fixed to the side 31 to which the access gate 40 is attached. The gate 40 is covered.

  As shown in FIG. 10, when at least one water guide groove 50 is formed on the surface of the roof box 30 around the access gate 40 and covers the access gate 40 so that the roof box 30 is completely waterproof, A part of the roof box door 60 may be inserted into the water guide groove 50.

  As shown in FIG. 11, the roof box door 60 may be locked to cover the access gate 40 on the roof box 30 using a link lock 80.

  As shown in FIGS. 12A and 12B, the air pump 70 may be connected to the roof box door 60, so that the roof box door 60 can be smoothly opened and closed using the air pressure of the air pump 70. If there are two roof box doors 60 on each of two opposite sides 31 of the roof box 30, a link rod 71 may be used to connect the air pump 70 of the roof box door 60, where These two air pumps 70 are connected to a link rod 71 fixed to the roof box 30 so that the roof box door 60 can be more stable at an appropriate position.

  As shown in FIGS. 12A and 12B, at least one reinforcing rib 90 is formed on the bottom side 32 of the blow molded roof box 30 to greatly improve the structural strength and durability of the roof box 30 at high speed operation.

  In conclusion, as shown in the description of the above-described embodiment, the roof box 30 is manufactured or formed by the manufacturing method of the blow molded roof box S100 or the blow molded roof box structure 100, and the mechanism is firmly configured. Seamless and waterproof. No fasteners are required and has the advantage of cost savings. Lightweight that can be easily operated by one person. Then, separation of the roof box 30 is prevented, and the safety of driving the automobile on which the roof box 30 is mounted is ensured.

  The above embodiments implement the technical concepts and features of the present invention and are intended to enable those skilled in the art to understand and implement the contents disclosed herein. The disclosed embodiments do not limit the scope of the claims. Accordingly, all similar changes or modifications based on the inventive concept are covered by the appended claims.

Claims (15)

Providing a blow molding mold which is an openable three-dimensional blow molding mold having a material inlet and a blow inlet;
A process step of injecting and blowing material, wherein plastic material is injected from the material inlet toward the blow mold and then fluid is injected from the blow inlet toward the blow mold. Or blown and the plastic material is evenly distributed on the inner surface of the blow mold; and
A step of forming the roof box by cooling the plastic material evenly dispersed on the inner surface of the blow molding die and removing it from the blow molding die; and
A process step of forming an access gate, wherein at least one access gate is formed by cutting at least one side of the roof box;
A method for producing a blow molded roof box, comprising:   The manufacturing method according to claim 1, further comprising a process step of forming a water guide groove, wherein at least one water guide groove is formed on the surface of the roof box around the access gate.   The manufacturing method according to claim 1, further comprising a process step of forming a roof box door, wherein the roof box door is formed on the roof box so as to cover the access gate.   And further comprising a step of forming a roof box door, wherein the roof box door is formed on the roof box so as to cover the access gate, and when the access gate is covered, a part of the roof box door is the water box. The manufacturing method according to claim 2, wherein the method is firmly inserted into the guide groove.   4. The method of claim 3, wherein an air pump is coupled to the roof box door, and the roof box door is an upper open door, a lower open door, or a lateral open door.   5. The method of claim 4, wherein an air pump is coupled to the roof box door, and the roof box door is an upper open door, a lower open door, or a lateral open door.   The manufacturing method according to claim 3, wherein the roof box door is locked on the roof box so as to cover the access gate using a link lock.   The manufacturing method according to claim 4, wherein the roof box door is locked to cover the access gate on the roof box using a link lock.   The manufacturing method according to claim 3, wherein at least one reinforcing rib is formed on a bottom side of the roof box.   The manufacturing method according to claim 4, wherein at least one reinforcing rib is formed on a bottom side of the roof box. A roof box formed by a blow molding manufacturing method, wherein at least one access gate is formed by cutting at least one side of the roof box;
At least one roof box door releasably coupled to each access gate and attached to each access gate;
A blow molded roof box structure characterized by comprising:   At least one water guide groove is formed in the roof box surface around the access gate, and a part of the roof box door is firmly inserted into the water guide groove when covering the access gate. The blow-molded roof box structure according to claim 11.   The blow-molded roof box structure according to claim 11, wherein the roof box door is locked to cover the access gate on the roof box using a link lock.   12. The blow molded roof box structure of claim 11, wherein an air pump is coupled to the roof box door.   The blow molded roof box structure according to claim 11, wherein at least one reinforcing rib is formed on a bottom side of the blow molded roof box.

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