WO2019207362A2 - 连接油箱内部上下表面的支撑体 - Google Patents

连接油箱内部上下表面的支撑体 Download PDF

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Publication number
WO2019207362A2
WO2019207362A2 PCT/IB2019/000536 IB2019000536W WO2019207362A2 WO 2019207362 A2 WO2019207362 A2 WO 2019207362A2 IB 2019000536 W IB2019000536 W IB 2019000536W WO 2019207362 A2 WO2019207362 A2 WO 2019207362A2
Authority
WO
WIPO (PCT)
Prior art keywords
fuel tank
lower surfaces
support body
end surface
tank according
Prior art date
Application number
PCT/IB2019/000536
Other languages
English (en)
French (fr)
Other versions
WO2019207362A3 (zh
Inventor
刘亮
苏卫东
窦文娟
姜林
Original Assignee
亚普汽车部件股份有限公司
赵洁
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201810372698.8A external-priority patent/CN108382195A/zh
Priority claimed from CN201820590658.6U external-priority patent/CN208544112U/zh
Application filed by 亚普汽车部件股份有限公司, 赵洁 filed Critical 亚普汽车部件股份有限公司
Priority to EP19791603.4A priority Critical patent/EP3878676A4/en
Priority to MX2020011222A priority patent/MX2020011222A/es
Priority to JP2020558968A priority patent/JP7244542B2/ja
Priority to BR112020026536-5A priority patent/BR112020026536A2/pt
Priority to US17/049,961 priority patent/US11618314B2/en
Publication of WO2019207362A2 publication Critical patent/WO2019207362A2/zh
Publication of WO2019207362A3 publication Critical patent/WO2019207362A3/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/03177—Fuel tanks made of non-metallic material, e.g. plastics, or of a combination of non-metallic and metallic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03328—Arrangements or special measures related to fuel tanks or fuel handling
    • B60K2015/03453—Arrangements or special measures related to fuel tanks or fuel handling for fixing or mounting parts of the fuel tank together
    • B60K2015/0346—Arrangements or special measures related to fuel tanks or fuel handling for fixing or mounting parts of the fuel tank together by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03486—Fuel tanks characterised by the materials the tank or parts thereof are essentially made from
    • B60K2015/03493—Fuel tanks characterised by the materials the tank or parts thereof are essentially made from made of plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2410/00—Constructional features of vehicle sub-units
    • B60Y2410/12—Production or manufacturing of vehicle parts
    • B60Y2410/123—Over-moulded parts

Definitions

  • the present invention relates to a support body, and more particularly to a support body that connects upper and lower surfaces of a fuel tank, and belongs to the technical field of fuel tank structural components.
  • Plastic fuel tanks are generally practical in plastic fuel tanks because of their light weight, corrosion resistance, and higher degree of freedom in product design. Although plastic fuel tanks have many advantages, because the plastic fuel tank is made of HDPE, it has insufficient resistance to pressure deformation, such as resistance to deformation of conventional plastic fuel tanks under the influence of fuel gravity deformation and infiltration aging. .
  • the ability to withstand high pressure deformation when maintaining the internal pressure of the fuel tank such as a plug-in hybrid fuel tank.
  • a partial area of the upper and lower surfaces of the plastic parison is extruded by a mold during the blow molding process, which is also known as the KISS-OFF structure, which has a low joint strength and a large number of sacrificing the rated volume of the fuel tank.
  • KISS-OFF structure which has a low joint strength and a large number of sacrificing the rated volume of the fuel tank.
  • another common technique is to support the fuel tank by using a support column by providing a plurality of support columns in the fuel tank.
  • the support column used in the prior art CN104477027A is a metal rod, and the metal rod is plastic-coated.
  • the metal-containing column is expensive to manufacture and requires anti-static treatment.
  • the middle portion of the column contains metal, and the strength is higher than the connection between the two ends, so that the connection portions at both ends of the column are easily broken.
  • the high density of the metal adds more weight to the hollow box.
  • the above two methods of supporting the fuel tank increase the strength of the fuel tank.
  • the strength of the support column of the prior art is large, and it is not easy to be broken, which causes tearing of the surface of the fuel tank, causing leakage of the fuel tank and causing danger. . Therefore, there is a need for a support that increases the strength of the fuel tank and can be broken in time when the fuel tank collides, without tearing the fuel tank.
  • the present invention is directed to a technical problem existing in the prior art, and provides a support body for connecting upper and lower surfaces of a fuel tank.
  • the overall technical design of the technical solution is ingenious and compact, and the technical solution ensures both strength and occurrence. It is easier to break when colliding, thus avoiding tearing on the surface of the tank, preventing the tank from leaking and ensuring the safety of the tank.
  • the technical solution of the present invention is as follows: a support body that connects the upper and lower surfaces of the fuel tank, wherein the support body includes a connecting post, and the upper and lower sides of the connecting post are provided with end faces,
  • the connecting post is provided with a notch, and the number of the connecting posts is at least one.
  • the shape of the end face is a circle, an ellipse, a crescent, a quadrangle or an irregular figure.
  • the end faces of the two sides may be set to the same size or different sizes. In practical applications, the first and the first are generally melted.
  • the connecting end face of the parison connection is appropriately larger to optimize the connection performance; since the purpose of the connecting end face is to connect the two parisons of the molten fuel tank, the shape and size of the connecting end face need to be selected according to the actual situation.
  • the structure of the whole technical solution is ingeniously designed and the cost is low, which satisfies the requirements of the high pressure strength of the fuel tank.
  • the connecting post is provided in one of an I shape, an H shape, an M shape, and a W shape.
  • the notch is set to be V-shaped, U-shaped, semi-circular or other irregular pattern.
  • the gap is provided on the left or right side or in the middle of the connecting post.
  • the connecting column is a high-strength engineering plastic connecting column or an injection molded high-strength engineering plastic connecting column or an injection-molded high-strength reinforcing connecting rod, and the material thereof includes HDPR, POM, PA, PPA, etc. or engineering plastics.
  • the connecting post is provided with reinforcing ribs to further improve the high pressure resistance of the connecting device.
  • the connecting post and the end surface there are a plurality of holes between the connecting post and the end surface, which facilitates the good connection between the connecting post and the end surface in the subsequent injection molding process, and prevents the connecting column from being separated from the end surface under the action of the pulling force.
  • a plurality of pitting structures are arranged on the end face after the encapsulation, and the hollow box body is welded by the pitting structure.
  • the rubberized end surface is set as a smooth surface, and the rubberized end surface is preheated by the preheating plate and welded to the inner wall of the hollow box; or the concave end surface is provided with a concave surface.
  • the groove forms a stepped surface, and the melted material does not easily flow out of the end face during the preheating of the welding.
  • the connecting columns are arranged in two, the two supporting columns are relatively curved, and are more easily broken.
  • the two connecting columns are connected by a connecting rod, and the connecting rod has the same material as the connecting column, and the connecting rod is connected.
  • the notch effect is more likely to break when the collision occurs, so as to avoid tearing on the surface of the tank and prevent the tank from leaking.
  • the connecting column in the scheme is a high-strength engineering plastic connecting column or a high-strength engineering plastic connecting column or high-injection injection molding. Reinforced connecting rods, including HDPR, POM, PA, PPA, etc., or engineering plastics, lighter in weight, more suitable for the lightweight requirements of modern cars; 3) Ingenious design of the entire structure, saving process and materials, lower cost, The placement position is more flexible, and it is applicable to various positions of the fuel tank, especially the position of the oil pump port, and has the advantages of good heating and heat preservation effect, low power consumption, low manufacturing cost and high reliability.
  • FIG. 1 is a schematic view of an overall structure of the present invention
  • FIG. 2 is a schematic view of a side structure of a pockmark
  • FIG. 3 is a schematic view of a side structure of the present invention
  • Medium 1, connecting column, 2, end face, 3, connecting rod, 4, fixing hole, 5, notch, 6, groove, 7, pitting.
  • Embodiment 1 Referring to FIG.
  • the support body connecting upper and lower surfaces of a fuel tank
  • the support body includes a connecting post 1
  • upper and lower sides of the connecting post are provided with an end surface 2
  • the end surface 2 is plastic-coated
  • the connecting post 1 is provided with a notch 5, and the number of the connecting posts 1 is at least one.
  • the number of the connecting columns is set to two, and the overall shape is set to an H shape, and the two connecting columns are connected by a connecting rod 3, wherein the connecting rod is provided with a fixing hole 4, and the fixing hole 4 functions as When the end face is encapsulated, the entire support is fixed.
  • the connecting column When there are two connecting columns in the middle of the upper and lower end faces of the support body, the connecting column is solid, and the cross-sectional diameter of the end face of the supporting column is smaller than the cross-sectional diameter of the end face of the hollow supporting column, and forms a curvature, which can be placed close to the fitting in the fuel tank.
  • the gaps on the connecting column causes stress and strain concentration, resulting in a notch effect.
  • Embodiment 2 Referring to Fig. 1, Fig. 3, Fig. 4, as a modification of the present invention, the connecting post 1 is also provided in one of an I shape, an M shape, and a W shape.
  • the notch 5 is set to a V shape, a U shape, a semicircular shape or other irregular patterns.
  • the notch is mainly provided for the fuel tank to be broken by the notch effect when the collision occurs, and the connection column 1 is more easily broken when the oil tank is not lost.
  • Embodiment 3 Referring to FIG. 1, FIG. 3, FIG. 4, as a modification of the present invention, the notch 5 is disposed on the left side and/or the right side and/or the middle of the connecting column, and has been proved by a large number of experiments. It is best to set the crack in the middle of the connecting column. In addition, according to the height of different connecting columns, the size and shape of the gap need to be adjusted. The remaining structure and advantages are identical to those of Embodiment 1.
  • Embodiment 4 Referring to FIG.
  • the connecting column 1 is a high-strength engineering plastic connecting column or an injection-molded high-strength engineering plastic connecting column or an injection-molded high-strength reinforcing connecting rod, and the material thereof includes HDPR, P0M. , PA, PPA and other numerical values or engineering plastics.
  • Embodiment 5 Referring to Fig. 1, as a modification of the present invention, the connecting post 1 is provided with reinforcing ribs to further improve the high pressure resistance of the connecting device. The remaining structure and advantages are identical to those of Embodiment 1.
  • Embodiment 6 Referring to FIG.
  • Embodiment 7 Referring to FIG. 1, FIG. 2, FIG. 3, FIG. 5, as an improvement of the present invention, a plurality of pitting structures 7 are arranged on the end face after the encapsulation, and the puncture structure and the hollow box are used.
  • the end surface of the rubberized surface is set as a smooth surface, and the rubberized end surface is preheated by the preheating plate and welded to the inner wall of the hollow box; or the groove 6 is formed on the end surface after the rubber coating to form a step surface.
  • the welding is preheated, the melted material does not easily flow out of the end face.
  • the remaining structure and advantages are identical to those of Embodiment 1.
  • the present invention can also combine the technical features described in Embodiments 2, 3, 4, 5, 6, and 7 with Embodiment 1 to form a new one. Implementation. It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. The scope of the present invention is defined by the claims.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

本发明涉及一种连接油箱内部上下表面的支撑体，所述支撑体包括连接柱，所述连接柱的上下两侧均设置有端面，所述端面进行塑料包胶，所述连接柱上设置有缺口，所述连接柱的数量至少为一个，所述端面进行塑料包胶，所述连接柱设置为I形、H形、M形、W形或者其他形状。该技术方案既保证其强度，又能在发生碰撞时更易折断，从而避免油箱表面产生撕裂，防止油箱泄漏，保证油箱的安全性。

Description

连接油箱内部上下表面的支撑体 技术领域 本发明涉及一种支撑体， 具体来说涉及一种连接油箱内部上下表面的支撑体， 属于 油箱结构部件技术领域。 背景技术 由于塑料燃油箱具备质量轻、防腐蚀和更高的产品外形设计自由度等优点，现在的汽车 油箱大都实用塑料燃油箱。虽然塑料燃油箱存在很多好处，但由于塑料燃油箱采用的材 料为 HDPE， 其在抗耐压变形方面存在不足， 比如在常规的抵抗塑料燃油箱在燃油重力 变形和浸润老化的作用下的抵抗变形。以及在某些特殊的工程领域需要保持燃油箱内部 高压时需要具有耐高压变形的能力， 如插电式混合动力汽车燃油箱。现有技术中采用吹 塑过程中利用模具将塑料型坯的上下表面局部区域挤压连接， 也就是俗称的 KISS-OFF 结构， 该结构连接强度较低， 且大量牺牲了油箱的额定容积， 经济性较差； 另一种常见 的技术是通过在油箱内设置若干支撑柱， 使用支撑柱对油箱进行支撑， 如现有技术 CN104477027A中使用的支撑柱是金属杆， 对金属杆进行塑料包胶， 这种含金属件的立 柱制造成本高， 且需要做防静电处理， 立柱中间部分含有金属， 强度比两头连接的部分 高， 使得立柱两头连接部分容易失效。 另外， 金属密度大， 会给中空箱体增加较多的重 量。上述两种支撑油箱的做法都增加了油箱的强度， 但在油箱发生碰撞时， 由于现有技 术的支撑柱强度较大， 不易折断， 导致对油箱表面产生撕裂， 使油箱产生泄漏， 发生危 险。 因此， 需要一种即增加油箱强度又可以在油箱发生碰撞时， 及时折断， 不对油箱产 生撕裂的支撑体。
发明内容 本发明正是针对现有技术中存在的技术问题，提供一种连接油箱内部上下表面的支撑体， 该技术方案整体结构设计巧妙、 紧凑， 该技术方案既保证其强度， 又能在发生碰撞时更 易折断， 从而避免油箱表面产生撕裂， 防止油箱泄漏， 保证油箱的安全性。 为了实现上述目的， 本发明的技术方案如下， 一种连接油箱内部上下表面的支撑体， 其特征在于， 所述支撑体包括连接柱， 所述连接柱的上下两侧均设置有端面， 所述连接 柱上设置有缺口，所述连接柱的数量至少为一个。所述端面的形状为圆形、椭圆、月牙、 四边形或不规则图形， 具体应用中， 两侧连接端面可以设置为一样大小， 也可以不一样 的大小， 在实际应用中， 一般将先和熔融型坯连接的一侧连接端面的大小适当大一些， 优化连接性能； 由于连接端面的目的是和熔融的油箱两片型坯相连接， 因此， 连接端面 的形状以及大小需要根据实际情况自行选择。 整个技术方案结构设计巧妙， 成本较低， 满足了油箱耐高压强度的要求。 作为本发明的一种改进， 所述连接柱设置为 I形、 H形、 M形、 W形中一种。 作为本发明的一种改进，所述缺口设为为 V形、 U形、半圆形或者其他不规则图形。 作为本发明的一种改进， 所述缺口设置在连接柱的左侧或者右侧或者中间。 作为本发明的一种改进，所述连接柱为高强度工程塑料连接柱或者注塑高强度工程 塑料连接柱或者注塑高强度增强连接杆， 其材质包括 HDPR、 POM、 PA、 PPA等数值或者 工程塑料。 作为本发明的一种改进， 所述连接柱上设置有加强筋， 进一步提高连接装置的耐高压 性能。 作为本发明的一种改进， 在连接柱与端面之间有若干孔洞， 便于在之后的注塑包胶过 程中实现连接柱与端面的良好连接， 防止在拉力的作用下连接柱与端面的脱离。 作为本发明的一种改进，所述包胶后的端面上布置有若干麻点结构，通过麻点结构与中 空箱体进行熔接。 作为本发明的一种改进，所述包胶后的端面设置为光面，通过预热板对包胶后的端面进 行预热与中空箱体内壁焊接； 或者在包胶后的端面上设置凹槽形成台阶面，在焊接预热 时， 融化的材料不易流出端面。 作为本发明的一种改进， 所述连接柱设置为两个， 两个支撑柱相对弯曲， 更易断裂， 两 个连接柱之间通过连接杆连接， 连接杆的材料与连接柱相同， 连接杆上有固定孔， 该固 定孔的作用是在对端面进行包胶时， 对支撑体进行固定。 相对于现有技术， 本发明的优点如下： 1）本发明整体结构设计巧妙， 结构紧凑， 实用 性强；该技术方案在连接柱上设置缺口设计，使油箱在不损失其强度情况下，利用缺口 效应在发生碰撞时连接柱更易断裂， 从而避免油箱表面产生撕裂， 防止油箱泄漏； 2） 该方案中的连接柱为高强度工程塑料连接柱或者注塑高强度工程塑料连接柱或者注塑 高强度增强连接杆，其材质包括 HDPR、 POM、 PA、 PPA等数值或者工程塑料，质量更轻， 更适合现代汽车轻量化的要求； 3）整个结构设计构思巧妙， 节省工序与材料， 成本更 低， 安放位置更加灵活， 适用油箱的各个位置， 尤其油泵口位置， 具有加热保温效果 好， 功耗低， 制造成本低， 可靠性高的优点。 附图说明 图 1为本发明整体结构示意图； 图 2为麻点端面结构不意图； 图 3为本发明立体结构示意图； 图 4为图 1侧面结构不意图； 图 5为台阶端面结构示意图； 图中： 1、 连接柱， 2、 端面， 3、 连接杆， 4、 固定孔， 5、 缺口， 6、 凹槽， 7、 麻点。 具体实施方式 为了加深对本发明的理解和认识，下面结合附图和具体实施方式对本发明作进一步描述 和介绍。 实施例 1 :参见图 1，一种连接油箱内部上下表面的支撑体，所述支撑体包括连接柱 1， 所述连接柱的上下两侧均设置有端面 2, 所述端面 2进行塑料包胶， 所述连接柱 1上设 置有缺口 5, 所述连接柱 1的数量至少为一个。 该技术方案中， 连接柱的数量设置为两 个， 整体形状设置为 H形， 两个连接柱之间通过连接杆 3连接， 其中连接杆上设置有固 定孔 4, 该固定孔 4的作用是在对端面进行包胶时， 对整个支撑体进行固定。 支撑体上 下端面中间有两个连接柱时， 连接柱是实心的， 该支撑柱的端面横截面直径比空心支撑 柱的端面横截面直径小， 并形成弧度， 能将其贴近放置在油箱内配件附近， 尤其适用发 生变形量较大的油泵附近，弥补由单个连接柱的支撑体不能贴近油箱内配件放置产生的 不足。 连接柱上的缺口造成应力应变集中， 产生缺口效应， 在油箱发生碰撞或冲击时， 所产生的应力集中在缺口处， 导致支撑柱在缺口处首先断裂， 从而保证支撑体不会对油 箱产生破坏。 实施例 2: 参见图 1、 图 3、 图 4, 作为本发明的一种改进， 所述连接柱 1还设置为 I 形、 M形、 W形中一种。 所述缺口 5设为 V形、 U形、 半圆形或者其他不规则图形， 设 置该缺口主要是为了使油箱在不损失其强度情况下，利用缺口效应在发生碰撞时连接柱 1更易断裂， 从而避免油箱表面产生撕裂， 防止油箱泄漏； 其余结构和优点与实施例 1 完全相同。 实施例 3: 参见图 1、 图 3、 图 4, 作为本发明的一种改进， 所述缺口 5设置在连接柱 的左侧和 /或右侧和 /或中间， 经过大量的实验证明， 缺口设置在连接柱中间位置断裂 效果最好， 另外根据不同连接柱的高度， 缺口的大小、 形状都需要调整。 其余结构和 优点与实施例 1完全相同。 实施例 4: 参见图 1， 作为本发明的一种改进， 所述连接柱 1为高强度工程塑料连接柱 或者注塑高强度工程塑料连接柱或者注塑高强度增强连接杆，其材质包括 HDPR、 P0M、 PA、 PPA等数值或者工程塑料。 其余结构和优点与实施例 1完全相同。 实施例 5: 参见图 1， 作为本发明的一种改进， 所述连接柱 1上设置有加强筋， 进一步 提高连接装置的耐高压性能。 其余结构和优点与实施例 1完全相同。 实施例 6: 参见图 1， 作为本发明的一种改进， 在连接柱 1与端面 2之间有若干孔洞， 便于在之后的注塑包胶过程中实现连接柱与端面的良好连接， 防止在拉力的作用下连 接柱与端面的脱离。 其余结构和优点与实施例 1完全相同。 实施例 7: 参见图 1、 图 2、 图 3、 图 5, 作为本发明的一种改进， 所述包胶后的端面上 布置有若干麻点结构 7, 通过麻点结构与中空箱体进行熔接或者， 所述包胶后的端面设 置为光面，通过预热板对包胶后的端面进行预热与中空箱体内壁焊接； 或者在包胶后的 端面上设置凹槽 6形成台阶面， 在焊接预热时， 融化的材料不易流出端面。其余结构和 优点与实施例 1完全相同。 本发明还可以将实施例 2、 3、 4、 5、 6、 7所述技术特征与实施例 1组合形成新的 实施方式。 需要说明的是上述实施例仅仅是本发明的较佳实施例，并没有用来限定本发明的保 护范围， 本发明的保护范围以权利要求书为准。

Claims

权 利 要 求 书
1、 一种连接油箱内部上下表面的支撑体， 其特征在于， 所述支撑体包括连接柱， 所述 连接柱的上下两侧均设置有端面，所述连接柱上设置有缺口，所述连接柱的数量至 少为一个。
2、 根据权利要求 1所述的连接油箱内部上下表面的支撑体 ， 其特征在于， 所述端面 进行塑料包胶， 所述连接柱设置为 I形、 H形、 M形、 W形或者其他形状。
3、 根据权利要求 2所述的连接油箱内部上下表面的支撑体 ， 其特征在于， 所述缺口 设为 V形、 U形、 半圆形或者其他不规则图形。
4、 根据权利要求 3所述的连接油箱内部上下表面的支撑体 ， 其特征在于， 所述缺口 设置在连接柱的左侧或者右侧或者中间。
5、 根据权利要求 4所述的连接油箱内部上下表面的支撑体 ， 其特征在于， 所述连接 柱为高强度工程塑料连接柱或者注塑高强度工程塑料连接柱或者注塑高强度增强连接 杆。
6、 根据权利要求 5所述的连接油箱内部上下表面的支撑体 ， 其特征在于， 所述连接 柱上设置有加强筋。
7、 根据权利要求 6所述的连接油箱内部上下表面的支撑体 ， 其特征在于， 在连接柱 与端面之间有孔洞， 便于在之后的注塑包胶过程中实现连接柱与端面的良好连接。
8、根据权利要求 5或 6或 7所述的连接油箱内部上下表面的支撑体 ， 其特征在于， 所 述包胶后的端面上布置有若干麻点结构， 通过麻点结构与中空箱体进行熔接。
9、 根据权利要求 5或 6或 7所述的连接油箱内部上下表面的支撑体， 其特征在于， 所 述包胶后的端面设置为光面，通过预热板对包胶后的端面进行预热与中空箱体内壁焊接; 或者在包胶后的端面上设置凹槽形成台阶面。
10、根据权利要求 1所述的连接油箱内部上下表面的支撑体， 其特征在于， 所述连接柱 设置为两个， 两个连接柱之间通过连接杆连接， 连接杆的材料与连接柱相同， 连接杆上 有固定孔， 该固定孔的作用是在对端面进行包胶时， 对支撑体进行固定。
11、含有权利要求 1-8任一项所述支撑组件的中空箱体成型方法， 其特征在于， 所述方 法如下： 1） 两片口模装置下料；
2） 将预成型模板装置移到模具中间；
3） 下料到位后， 模具半模与预成型模板闭合， 内部高压吹塑， 进行壳体预成型；
4） 预吹成型一定时间后， 开模；
5） 将中间预成型模板装置移出， 同时组件内置机构进入模具中间指定位置；
6） 组件内置机构将内部连接结构一侧连接部件端面连接到型坯的指定位置；
7） 将组件内置机构移出；
8）模具再次合模，内部连接结构另一侧连接部件端面连接到另一侧型坯的指定位置;
9） 高压吹气完成中空箱体本体的最终成型；
10） 开模， 取出产品。
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US11618314B2 (en) 2023-04-04
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