WO2015158041A1 - 压缩机储液器 - Google Patents

压缩机储液器 Download PDF

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Publication number
WO2015158041A1
WO2015158041A1 PCT/CN2014/081080 CN2014081080W WO2015158041A1 WO 2015158041 A1 WO2015158041 A1 WO 2015158041A1 CN 2014081080 W CN2014081080 W CN 2014081080W WO 2015158041 A1 WO2015158041 A1 WO 2015158041A1
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WO
WIPO (PCT)
Prior art keywords
welded
welding
accumulator
compressor
outer casing
Prior art date
Application number
PCT/CN2014/081080
Other languages
English (en)
French (fr)
Inventor
陈金龙
Original Assignee
东莞市金瑞五金制品有限公司
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
Application filed by 东莞市金瑞五金制品有限公司 filed Critical 东莞市金瑞五金制品有限公司
Priority to JP2016550507A priority Critical patent/JP2017512963A/ja
Priority to MYPI2016703439A priority patent/MY185731A/en
Publication of WO2015158041A1 publication Critical patent/WO2015158041A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/14—Projection welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/02—Pressure butt welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/12—Vessels

Definitions

  • the present invention relates to the field of compressor fittings, and more particularly to compressor accumulators. Background technique
  • the pressure reducer is often connected with a liquid accumulator, which is an important component of the compressor, and is connected between the air conditioner evaporator and the compressor suction pipe to store, gas and liquid.
  • the separation, filtration, muffling and refrigerant buffers are protective components that prevent liquid refrigerant from flowing into the compressor and causing liquid slamming.
  • the accumulator is generally composed of a casing, an intake pipe, an exhaust pipe, a filter, and the like.
  • the outer casing of the existing accumulator is generally made of a metal material, and is usually composed of at least two parts welded in the axial direction. Since the compressor is running, axial periodic vibration will occur, and the most vulnerable part will be the welded part, and the accumulator is fully enclosed. In order to ensure that the refrigerant and lubricating oil do not leak, the accumulator must It has good welding quality, so it has strict requirements on the strength of the welded part. Otherwise, the welded part of the accumulator is prone to crack and lead to leakage when the compressor vibrates.
  • the Chinese Patent Application Publication No. CN 102699504 A the entire disclosure of which is hereby incorporated by reference to the entire disclosure of the entire disclosure of the disclosure of the disclosure of the disclosure of The can is connected to a welded pipe inside the closed container tank, the closed container can is made of ferrous material, the welded pipe is made of copper plating material or copper material, and the closed container can itself is welded and closed container can and welded
  • the soldering between the tubes is also achieved by solderless resistance welding.
  • the closed capacity of the reservoir includes a hollow cylinder, and upper and lower end caps respectively coupled to the two ends of the cylinder, and the welded ends of the cylinder, the upper end cover and the lower end cover are respectively provided with flanges, and the corresponding flanges are respectively connected by two And fixed by solderless resistance welding to achieve the combination between the cylinder and the upper and lower end caps.
  • Resistance welding is a method in which the workpiece is combined and pressure is applied through the electrode, and the current is passed through the contact surface of the joint and the resistance heat generated in the adjacent region.
  • the flanges of the welded ends of the cylinder, the upper end cover and the lower end cover are provided for better quality and strength of the welding, so as to prevent cracks from occurring in the welded portion when the compressor vibrates, but also Welding processing brings trouble.
  • To fuse the two flanges together it is necessary to generate sufficient resistance heat at the welding end face.
  • the easiest way to generate sufficient resistance heat is to extend the welding time or increase the current applied during welding, but prolonging the welding time will seriously affect the welding process. Efficiency, and increasing the welding current will directly increase the power consumption, thereby increasing the processing cost. Summary of the invention
  • the object of the present invention is to provide a compressor reservoir which avoids the above-mentioned deficiencies in the prior art and provides an compressor reservoir which does not increase the welding cost and effectively improves the welding efficiency while ensuring a firm weld.
  • a compressor accumulator including a reservoir housing, wherein the reservoir housing is an accumulator housing composed of at least two outer casing parts by electric resistance welding, and the outer casing is provided with a welded end, adjacent to the two The outer casing portions are welded by the welding end, and the welded ends between the components of the accumulator outer casing are welded by electric resistance welding, and the welding ends of the adjacent two outer casing portions of the accumulator outer casing are additionally provided a solder joint capable of resistance welding, in the phase Among the welded ends of the two outer casing portions, the contact surface between at least one of the welded ends and the welded joint is smaller than the contact surface between the welded ends of the adjacent two outer shell portions.
  • the welded connecting portion is a metal ring having a circular cross section, and the two end faces of the metal ring abut against the welding ends of the adjacent two outer casing portions, and form a line contact with the welding end.
  • the welded connecting portion is a protrusion provided on one of the welded ends of the adjacent two outer casing portions and protruding toward the other one of the welded ends.
  • the protrusion is a ring-shaped or dashed-line-shaped protrusion in the axial direction of the accumulator, the protrusion has a triangular or arcuate cross-sectional profile, and the protrusion and the other one of the protrusions A weld end line contact or point contact.
  • the welded ends of the adjacent two outer casing portions each extend outwardly along the radial direction of the accumulator housing with an annular flange, and the welded connecting portion is disposed in the welded end of the adjacent two outer casing portions A profile of a projection of the annular flange of one of the welded ends facing the annular flange of the other of the welded ends.
  • the pressing type is a compression type having an annular shape or a broken line in the axial direction of the liquid storage device, and the pressing type is provided with one or more, and the cross-sectional contour of the pressing type is curved. Or a pointed shape, the profile being in contact or point contact with the other of the weld ends.
  • the welded connecting portion is an inclined portion disposed on one of the welded ends of the adjacent two outer casing portions, the inclined portion is inclined with respect to the other one of the welded ends, the inclined portion and the inclined portion The outer or inner side of the other welded end is in contact.
  • one of the welded ends of the adjacent two portions of the reservoir housing is welded
  • a convex stop is disposed on the end, and the convex stop extends toward the other welding end and is attached to the inner side wall of the other welding end to shield the welding slag from falling into the liquid reservoir.
  • the other welding end is provided with a latching position matched with the position and shape of the protruding gear, and when the welding is performed, the protruding gear is engaged with the locking position.
  • the compressor accumulator is further provided with a partition inside, the partition is an annular partition, and a through hole for passing through the outlet pipe of the accumulator is disposed in the middle of the partition, the liquid storage
  • the casing comprises a hollow cylinder and upper and lower covers respectively connected to the two ends of the cylinder, the upper cover is provided with an upper cover welding end, the cylinder body is provided with a welding end on the cylinder body and a welded end of the cylinder body, the lower cover a lower cover welding end is disposed, and the welded connecting portion and the partition plate are disposed between the lower welding end of the cylinder and the welded end of the lower cover, and the welded lower end of the cylinder is butt welded to the welded end of the lower cover, and the clamping is performed
  • the partition is between the barrel and the lower cover.
  • the resistance heat generated during resistance welding can be calculated according to Joule's law.
  • Joule's law mathematical expression: Q P RT.
  • the heat generated on the flange is proportional to the square of the current, and is proportional to the resistance of the flange. It is proportional to the power-on time.
  • the heat required for resistance welding is also determined. Therefore, it is necessary to quickly achieve the required welding without increasing the welding input current or extending the welding time. The most direct way to heat is by increasing the contact resistance at the weld.
  • the accumulator housing of the compressor accumulator is composed of at least two parts in the up and down direction by electric resistance butt welding, through the adjacent two parts of the accumulator housing A welded joint capable of resistance welding is added between the welded ends, so that the contact area of one of the welded ends of the adjacent two portions and the welded joint is smaller than the adjacent of the original reservoir casing The welding contact area between the welded ends of the two parts.
  • contact welding is performed between the welded ends of the adjacent two parts by welding joints to reduce the welding contact area and increase the electric resistance between the welding ends, thereby not increasing the welding input current or extending the welding current.
  • the required welding heat is quickly generated at the welding end, and the welding end is melted, which not only saves processing cost but also ensures production efficiency while ensuring firm welding.
  • Figure 1 is a schematic view showing the structure of Embodiment 1 of the present invention.
  • Fig. 2 is a schematic view showing the structure of a second embodiment of the present invention.
  • Fig. 3 is a schematic view showing the structure of a third embodiment of the present invention.
  • Fig. 4 is a schematic view showing the structure of a fourth embodiment of the present invention.
  • Figure 5 is a schematic view showing the structure of Embodiment 5 of the present invention.
  • Figure 6 is a schematic view showing the structure of Embodiment 6 of the present invention.
  • Figure 7 is a schematic view showing the structure of Embodiment 7 of the present invention.
  • Figure 8 is a schematic view showing the structure of an embodiment 8 of the present invention. Reference mark:
  • the accumulator housing includes a hollow cylinder 2 and is connected to the ends of the cylinder 2, respectively.
  • the cover 1 and the lower cover 3, the upper cover 1, the cylinder 2 and the lower cover 3 constitute the reservoir casing by electric resistance welding.
  • the upper cover 1 is provided with an upper cover welding end 10
  • the barrel 2 is provided with a welded upper end 20 and a lower welded end 21, and the lower cover 3 is provided with a lower welded end 30.
  • the upper cover welding end 10 and the welded end 20 of the cylinder are directly butt welded by electric resistance welding to connect the upper cover 1 and the cylindrical body 2, and the lower welded end 21 and the lower cover welded end 30 are subjected to electric resistance welding. Butt welding to connect the barrel 2 and the lower cover 3.
  • the contact area between the upper cover welding end 10 and the welded end 20 of the barrel and the lower welded end 21 of the barrel The contact area of the cap welding end 30 is large, so that when the resistance is welded, the heat is slow due to the small resistance of the welding end.
  • the upper cover welding end 10 is provided with a protrusion 4, which may also be disposed on the welded end 20 of the barrel and not on the welded end 10 of the upper cover;
  • the protrusion 4 is also provided on the welded end 21 of the cylinder.
  • the protrusion 4 may be provided on the lower cover welding end 30 and not on the lower welding end 21 of the barrel.
  • the protrusion 4 on the welding end 10 of the upper cover is in line contact with the welding end 20 of the barrel.
  • the protrusion 4 on the welded end 21 of the barrel and the lower end welding end 30 are also in line contact, which greatly reduces The contact area between the components is greatly improved, and the welding resistance during the resistance welding is greatly improved, so that the protrusion 4 can quickly generate sufficient resistance heat, thereby being melted, achieving rapid welding, and without increasing the input current. It is not necessary to extend the welding time, which not only saves the processing cost, but also greatly improves the production processing efficiency.
  • the projection 4 may be an annular projection that is completely disposed along the welded end, or may be designed as a discontinuous dashed annular projection.
  • the cross-sectional profile of the projection 4 may be triangular or arcuate, as shown in Fig. 1, ensuring a line contact or a point contact between the projection 4 and the welded end.
  • a certain weight of the partition 8 can be arranged under the compressor accumulator to reduce the center of the compressor accumulator and make the compressor The machine accumulator is more stable, thereby reducing its sloshing when the compressor vibrates, so that the welding strength between the upper cover 1, the cylinder 2 and the lower cover 3 is more durable.
  • the partition plate 8 is an annular partition plate, and a through hole for passing through the liquid outlet pipe of the accumulator is disposed in the middle. As shown in FIG. 1 , for convenient fixing, the partition plate 8 can be clamped to the welded end 21 of the cylinder body and Between the lower cover welding ends 30, when the barrel lower welding end 21 and the lower cover welding end 30 are butt welded by electric resistance welding, the separator 8 is clamped together between the cylinder 2 and the lower cover 3.
  • the second embodiment of the compressor accumulator created by the present invention is as shown in FIG. 2.
  • the main technical solution of the present embodiment is the same as that of the first embodiment, and the unexplained features in the embodiment are as in the first embodiment. The explanation is not repeated here.
  • the difference between the embodiment and the embodiment 1 is that the welded end 20 of the cylinder and the welded end 21 of the cylinder extend outwardly along the radial direction of the cylinder with an annular flange 5, and the protrusions 4 are respectively disposed on the welded end 10 of the upper cover and The lower cover is welded to the end 30.
  • the annular flange 5 can also be selectively disposed on the upper cover welding end 10 and not on the welding end 20 of the cylinder; for the same reason, the welding end 21 and the lower cover are welded under the cylinder.
  • the annular flange 5 can also be optionally provided on the lower cover welding end 30.
  • the compressor accumulator of this embodiment is not provided with the partition plate 8.
  • a convex block 51 is disposed on the annular flange 5 of the welding end 20 of the cylinder body, and the protruding end 51 is attached to the inner side wall of the upper cover 1 in the direction of the welding end 10 of the upper cover. Extend the projection to shield the welded end, as shown in Figure 2.
  • a convex block 51 of the same structure is disposed on the annular flange 5 of the welded end 21 of the cylinder body, and when the welding end resistance welding is effectively prevented, the welding slag falls into the compressor accumulator, and the convex block 51 also plays a role.
  • a positioning function positioning the upper cover 1, the lower cover 3 and the barrel 2 assembly position.
  • FIG. 3 The third embodiment of the compressor accumulator created by the present invention is shown in FIG. 3,
  • the main technical solutions of this embodiment are the same as those of the first embodiment.
  • the features that are not explained in this embodiment are explained in the first embodiment, and details are not described herein.
  • the difference between this embodiment and the embodiment 1 is that the upper cover welding end 10, the barrel upper welding end 20, the lower barrel welding end 21 and the lower cover welding end 30 all extend annularly along the radial direction of the reservoir housing.
  • annular flange 5 of the upper cover welding end 10 is provided with a pressing type 50, which is specifically a pressing type protruding toward the annular flange 5 of the welding end 20 of the cylindrical body, and
  • the stamp 50 can also be placed on the annular flange 5 of the welded end 20 of the barrel, the direction of which is correspondingly changed to the annular flange 5 of the welded end 10 of the upper cover; similarly, the welded end of the barrel
  • the same profile 50 is provided on the annular flange 5 of the 21, and the profile 50 is raised toward the lower cover weld end 30.
  • One or more of the profiles 50 may be provided.
  • the cross-section of the profile 50 may be designed to be curved or pointed, as shown in Figure 3, to ensure that the profile 50 is in line or point contact with the soldered end.
  • a convex stop 51 is disposed on the annular flange 5 of the upper cover welding end 10, and the convex stop 51 is directed to the annular flange 5 of the welded end 20 of the tubular body and is attached to the inner side wall of the cylindrical body 2 Extend to block the gap, as shown in Figure 3.
  • the same convex projection 51 is disposed on the annular flange 5 of the welded end 21 of the cylinder, and the position of the convex projection 51 can be set on the annular flange 5 of the lower welded end 30,
  • the fourth embodiment of the compressor accumulator of the present invention includes an accumulator housing, the accumulator housing includes a hollow cylinder 2, and is respectively connected to the cylinder 2
  • the upper cover 1 and the lower cover 3 of the upper end, the upper cover 1, the cylindrical body 2 and the lower cover 3 constitute the reservoir housing by electric resistance welding.
  • the upper cover 1 is provided with an upper cover welding end 10
  • the barrel 2 is provided with a welded upper end 20 and a lower welded end 21, and the lower cover 3 is provided with a lower welded end 30.
  • the inclined end portion 7 is disposed on the welded end 20 of the cylinder body, and the inclined portion 7 is specifically an annular inclined wall surface disposed along the welded end 20 of the tubular body, and the inclined portion 7 is inclined with respect to the upper cover welded end 10,
  • the inclined portion 7 can be inclined to the inside of the upper cover 1, at this time, the inner side of the upper cover welded end 10 is in line contact with the inclined surface of the inclined portion 7; the inclined portion 7 can also be inclined toward the outside of the upper cover 1, which is the upper cover
  • the outer side of the welded end 10 is in line contact with the inclined surface of the inclined portion 7.
  • the inclined portion 7 is inclined toward the inside of the upper cover 1.
  • the inclined portion 7 can also be arranged on the upper cover welding end 10.
  • an inclined portion 7 is also provided on the lower cover welding end 30.
  • the inclined surface of the inclined portion 7 on the welded end 20 of the cylinder is in contact with the inner side line of the welded end 10 of the upper cover, which greatly reduces the contact area during welding, and greatly improves the welding resistance during the resistance welding, so that The connection of the inclined portion 7 and the welded end 10 of the upper cover The contact energy quickly generates enough resistance heat to be melted and welded, which enables rapid welding and greatly improves production and processing efficiency.
  • the inclined portion 7 on the lower cover welding end 30 is in resistance welding with the inner side line of the lower welded end 21 of the barrel.
  • the end portion of the inclined portion 7 of the welding end 20 on the cylinder body extends in the direction of the welding end 10 of the upper cover, and has a convex stop 51.
  • the 51 is an annular wall provided along the tip end of the inclined portion 7, and the outer side surface of the annular wall is attached to the inner side wall of the upper cover 1.
  • the same convex stop 51 is provided on the inclined portion 7 of the lower cover welding end 30.
  • the fifth embodiment of the compressor reservoir created by the present invention is as shown in FIG. 5.
  • the main technical solution of the embodiment is the same as that of the embodiment 4, and the features not explained in the embodiment are used in the embodiment 4. The explanation is not repeated here.
  • the difference between this embodiment and the embodiment 4 is that the two inclined portions 7 are respectively disposed on the welded end 20 of the cylinder and the welded end 21 of the cylinder, as shown in Fig. 5, the inclined portion 7 is provided on the cylinder 2.
  • the shape is an annular inclined protrusion provided along the outer wall of the cylinder 2, and the two inclined portions 7 are in contact with the inner side edges of the upper cover welding end 10 and the lower cover welding end 30, respectively.
  • the sixth embodiment of the compressor accumulator created by the present invention is as shown in FIG. 6.
  • the main technical solution of the embodiment is the same as that of the embodiment 5, and the unexplained features in the embodiment are as shown in the embodiment 5. The explanation is not repeated here.
  • the difference between this embodiment and the embodiment 5 is that the two inclined portions 7 are respectively disposed on the welded end 20 of the cylinder and the welded end 30 of the lower cover. As shown in FIG. 6, the two inclined portions 7 are respectively welded to the upper cover. End 10 and tube The inner side of the under-body welding end 21 is in contact with the inner side.
  • the seventh embodiment of the compressor accumulator of the present invention includes a reservoir housing, the reservoir housing includes an upper cover 1 and a lower cover 3, and the upper cover 1 is provided with an upper cover
  • the welding end 10, the upper cover 1 and the lower cover 3 are formed by electric resistance welding to form the reservoir housing
  • the lower cover 3 is provided with a lower cover welding end 30, and the upper cover welding end 10 and the lower cover welding end 30 are butt welded by electric resistance welding
  • the upper cover 1 and the lower cover 3 are connected.
  • a soldering connection portion is disposed between the upper cover soldering end 10 and the lower cover soldering end 30, and the soldering joint portion can be electrically connected to connect the upper cover soldering end 10 and the lower cover soldering end 30,
  • the welded joint is a metal ring 6, and the metal ring 6 has a circular cross section.
  • the material composition of the metal ring 6 includes Fe, Cu, and Ag. More preferably, the mass percentage of Fe, Cu and Ag is from 59% to 60% of Fe, from 39% to 40% by Cu, and from 0% to 2% by Ag.
  • the eighth embodiment of the compressor accumulator of the present invention is as shown in FIG. 8.
  • the main technical solution of the present embodiment is the same as that of the seventh embodiment.
  • the unexplained feature is adopted in the seventh embodiment.
  • the explanation is not repeated here.
  • the difference between this embodiment and the embodiment 7 is that the upper cover welding end 10 and the lower cover welding end 30 extend outward in the radial direction of the reservoir housing with an annular flange 5, and the metal ring 6 is disposed on the upper cover welding end 10 and below. Between the annular flanges 5 of the welded end 30.

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  • Mechanical Engineering (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

一种压缩机储液器，包括储液器外壳。该储液器外壳为由至少两个外壳分部（1，2，3）通过电阻焊焊接组成的储液器外壳。外壳分部设有焊接端（10，20，21，30）。相邻两外壳分部之间的焊接端（10，20，21，30）通过电阻焊焊接。相邻两外壳分部的焊接端（10，20，21，30）之间增设一能进行电阻焊接的焊接连接部。在该相邻两外壳分部的焊接端（10，20，21，30）中，至少一个焊接端与焊接连接部之间的接触面小于该相邻两外壳分部焊接端（10，20，21，30）之间的接触面。该压缩机储液器在保证焊接牢固的同时，有效节省焊接加工成本、提高焊接效率。

Description

压缩机储液器
技术领域
本发明创造涉及压缩机配件技术领域， 尤其涉及压缩机储液器。 背景技术
在现有的空调设备中， 压说缩机常常连接有储液器， 储液器是压缩 机的重要部件， 连接装配在空调蒸发器和压缩机吸气管之间， 起到贮 藏、 气液分离、 过滤、 消音和制冷剂缓冲书的作用， 是防止液体制冷剂 流入压缩机而产生液击的保护部件。 储液器一般由外壳、 进气管、 出 气管、 滤网等零部件组成。
现有的储液器的外壳一般采用金属材料制作，多由沿轴线方向的 至少两部分焊接组成。 由于压缩机在运转时， 会发生轴向周期性的振 动， 而其最脆弱的部分将是焊接部位， 而储液器是全封闭式的， 为了 保证冷媒和润滑油不泄漏， 储液器必须具有良好的焊接质量， 故对焊 接部位的强度有严格要求，否则压缩机振动时储液器的焊接部位易发 生裂纹导致泄漏。
本申请人前期申请了公开号为 CN 102699504 A的中国发明专利 公开了 "一种压缩机储液器的无焊料制作方法"，其技术方案包括"储 液器具有封闭容器罐及结合在封闭容器罐上连通封闭容器罐内部的 焊接管， 所述封闭容器罐采用铁质材料制作， 所述焊接管采用镀铜材 料或铜质材料制作，所述封闭容器罐自身的焊接及封闭容器罐与焊接 管之间的焊接同是采用无焊料的电阻焊接实现。 "该储液器的封闭容 器罐包括一中空的筒体， 及分别结合在筒体两端的上端盖和下端盖， 筒体、上端盖和下端盖的焊接端分别设置有凸缘， 通过将相应的凸缘 两两对接好， 并采用无焊料的电阻焊接加以固定， 实现筒体与上下端 盖之间的结合。
电阻焊是工件组合后通过电极施加压力，利用电流通过接头的接 触面及邻近区域产生的电阻热进行焊接的方法。上述对比文件中， 筒 体、上端盖和下端盖的焊接端设置的凸缘是为了更好的保证焊接的质 量和强度， 以防压缩机振动时焊接部位发生裂纹导致泄漏， 但由同时 也给焊接加工带来了麻烦。要将两凸缘融合焊接在一起需要在焊接端 面产生足够的电阻热，要产生足够的电阻热最简单的方法就是延长焊 接时间或者提高焊接时施加的电流，但是延长焊接时间会严重影响焊 接加工效率，而提高焊接电流会直接增加用电量，从而增加加工成本。 发明内容
本发明创造的目的在于避免现有技术中的上述不足之处而提供 一种不增加焊接成本、而有效提高焊接效率、 同时确保焊接牢固的压 缩机储液器。
本发明创造的目的通过以下技术方案实现：
提供了压缩机储液器， 包括储液器外壳， 所述储液器外壳为由至 少两个外壳分部通过电阻焊焊接组成的储液器外壳，外壳分部设有焊 接端， 相邻两外壳分部之间通过所述焊接端焊接， 所述储液器外壳的 各组成部分间的焊接端通过电阻焊焊接，所述储液器外壳的相邻两外 壳分部的焊接端之间增设一能进行电阻焊接的焊接连接部，在所述相 邻两外壳分部的焊接端中，至少其中一个焊接端与所述焊接连接部之 间的接触面小于所述相邻两外壳分部的焊接端之间的接触面。
其中， 所述焊接连接部为横截面呈圆形的金属环， 所述金属环的 两个端面分别抵接于相邻两外壳分部的焊接端，并与所述焊接端形成 线接触。
其中，所述焊接连接部为设置在相邻两外壳分部的焊接端中的其 中一个焊接端上、 并朝其中另一个焊接端方向突起的突部。
其中，所述突部为在所述储液器轴向方向上呈环状或者虚线环状 的突部， 所述突部的横截面轮廓呈三角形或者弓形， 所述突部与所述 其中另一个焊接端线接触或者点接触。
其中，相邻两外壳分部的焊接端均沿所述储液器外壳的径向往外 延伸有环形凸缘，所述焊接连接部为设置在所述相邻两外壳分部的焊 接端中的其中一个焊接端的环形凸缘上朝向其中另一个焊接端的环 形凸缘方向的突起的压型。
其中，所述压型为在所述储液器轴向方向上呈环状或者虚线环状 的压型， 所述压型设置有一个或者多个， 所述压型的横截面轮廓呈弧 形或者尖角形， 所述压型与所述其中另一个焊接端线接触或者点接 触。
其中，所述焊接连接部为设置在相邻两外壳分部的焊接端中的其 中一个焊接端上的倾斜部， 所述倾斜部与其中另一个焊接端相对倾 斜， 所述倾斜部与所述其中另一个焊接端的外侧或内侧线接触。
其中， 所述储液器外壳的相邻两部分的焊接端中， 其中一个焊接 端上设置凸挡， 所述凸挡朝其中另一个焊接端的方向、并贴设于所述 其中另一个焊接端的内侧壁延伸， 以遮挡焊渣掉入储液器内。
其中， 所述其中另一个焊接端上设置有与所述凸挡位置、形状相 配合的卡位， 焊接时， 所述凸挡卡接于所述卡位。
其中， 所述压缩机储液器内部还设置有隔板， 所述隔板为圆环形 隔板， 所述隔板中间设置有用于穿过储液器出气管的通孔， 所述储液 器外壳包括一中空的筒体、 以及分别连接于筒体两端的上盖和下盖， 上盖设置有上盖焊接端， 筒体设置有筒体上焊接端和筒体下焊接端， 下盖设置有下盖焊接端，筒体下焊接端与下盖焊接端之间设置有所述 焊接连接部和所述隔板， 筒体下焊接端与下盖焊接端对接焊接、并夹 紧所述隔板于筒体和下盖之间。
本发明创造的有益效果：
电阻焊接时所产生的电阻热可根据焦耳定律计算，焦耳定律数学 表达式： Q=P RT。根据焦耳定律数学表达式可知，采用电阻焊对筒体、 上端盖和下端盖进行融合焊接时，在凸缘上所产生的热量跟电流的二 次方成正比， 跟凸缘的电阻成正比， 跟通电时间成正比。 实际加工生 产时， 储液器的材料设定后， 电阻焊接时所需要的热量也确定了， 因 此在不提高焊接输入电流、也不延长焊接时间的前提下， 想要快速达 到所需的焊接热量，最直接的方法就是通过增加焊接处的接触电阻来 实现。 根据电阻的决定式： R= P 1/S， 其中 P是电阻率， 1 为电阻的 长度， s为横截面积， 储液器材料设定后， P恒定， 因此要增加电阻 就是要提高 1/s的比值。 本发明创造的压缩机储液器，该压缩机储液器的储液器外壳在上 下方向上由至少两部分通过电阻焊对接焊接组成，通过在所述储液器 外壳的相邻两部分的焊接端之间增设一能进行电阻焊接的焊接连接 部， 使得在所述相邻两部分的焊接端中， 其中一个焊接端与所述焊接 连接部的接触面积小于原来储液器外壳的相邻两部分的焊接端之间 的焊接接触面积。在对接焊接过程， 相邻两部分的焊接端之间通过用 焊接连接部实现接触焊接， 以减少焊接接触面积， 增加了焊接端之间 的电阻，从而能够在不提高焊接输入电流、也不延长焊接时间的同时， 实现在焊接端快速产生所需的焊接热量， 融化焊接端， 在保证焊接牢 固的前提下， 不仅能节省加工成本， 同时也保证了生产效率。
附图说明
利用附图对发明创造作进一歩说明，但附图中的实施例不构成对 本发明创造的任何限制， 对于本领域的普通技术人员， 在不付出创造 性劳动的前提下， 还可以根据以下附图获得其它的附图。
图 1是本发明创造的实施例 1的结构示意图。
图 2是本发明创造的实施例 2的结构示意图。
图 3是本发明创造的实施例 3的结构示意图。
图 4是本发明创造的实施例 4的结构示意图。
图 5是本发明创造的实施例 5的结构示意图。
图 6是本发明创造的实施例 6的结构示意图。
图 7是本发明创造的实施例 7的结构示意图。
图 8是本发明创造的实施例 8的结构示意图。 附图标记：
1-上盖， 10- 上盖焊接端，
2-筒体， 20- 筒体上焊接端， 21- 筒体下焊接端,
3-下盖， 30- 下盖焊接端，
Figure imgf000008_0001
5-环形凸缘， 50-压型， 51- 凸挡， 52- 卡位，
6-金属环，
7-倾斜部，
8-隔板。
具体实施方式
结合以下实施例对本发明创造作进一歩描述。
实施例 1
本发明创造的压缩机储液器的具体实施方式之一， 如图 1所 包括储液器外壳， 所述储液器外壳包括一中空的筒体 2、 以及分别连 接于筒体 2两端的上盖 1和下盖 3， 上盖 1、 筒体 2和下盖 3通过电 阻焊焊接组成所述储液器外壳。 其中， 上盖 1设置有上盖焊接端 10， 筒体 2设置有筒体上焊接端 20和筒体下焊接端 21， 下盖 3设置有下 盖焊接端 30。
现有技术是，直接将上盖焊接端 10与筒体上焊接端 20通过电阻 焊对接焊接以连接上盖 1与筒体 2， 将筒体下焊接端 21与下盖焊接 端 30通过电阻焊对接焊接以连接筒体 2与下盖 3。 但是这样， 上盖 焊接端 10与筒体上焊接端 20的接触面积以及筒体下焊接端 21与下 盖焊接端 30的接触面积较大， 使得电阻焊接时， 由于焊接端的电阻 小， 使得发热缓慢。
本发明创造， 如图 1所示， 在上盖焊接端 10设置有突部 4， 该 突部 4也可以设置在筒体上焊接端 20上而不设在上盖焊接端 10上； 类似的， 在筒体下焊接端 21上也设置了突部 4， 同样， 这突部 4也 可以设在下盖焊接端 30上而不设在筒体下焊接端 21上。
电阻焊接时，上盖焊接端 10上的突部 4与筒体上焊接端 20线接 触，同理，筒体下焊接端 21上的突部 4与下盖焊接端 30也是线接触， 大大降低了各组成部分间焊接时的接触面积，大大提高了进行电阻焊 时的焊接电阻， 使得突部 4能快速产生足够电阻热， 从而被融化， 实 现了快速焊接， 而且不需要提高输入电流， 也不必延伸焊接时间， 不 仅节省了加工成本， 同时也极大地提高了生产加工效率。
沿储液器轴向方向看，突部 4可以是沿焊接端完整设置的环状突 部， 也可以设计成不连续的虚线环状突部。
而突部 4的横截面轮廓可以采用三角形， 也可以设计成弓形， 见 图 1， 保证突部 4与焊接端之间为线接触或者点接触。
压缩机在运转时会产生振动并传递至压缩机储液器， 长久以来， 会影响到压缩机储液器上的焊接部位， 导致上盖 1、 筒体 2和下盖 3 之间的焊接强度降低，为了使本压缩机储液器能保持着良好的焊机牢 固性， 可在压缩机储液器内部下方设置有一定重量的隔板 8， 以降低 压缩机储液器的中心， 使压缩机储液器更稳重， 从而减少其在压缩机 振动时的晃动，使得上盖 1、筒体 2和下盖 3之间的焊接强度更持久。 隔板 8为圆环形隔板， 中间设置有用于穿过储液器出气管的通孔， 如 图 1所示， 为方便固定， 可将隔板 8夹持在筒体下焊接端 21与下盖 焊接端 30之间， 当筒体下焊接端 21与下盖焊接端 30通过电阻焊对 接焊接时， 一并夹紧隔板 8于筒体 2和下盖 3之间。
实施例 2
本发明创造的压缩机储液器的具体实施方式之二， 如图 2所示， 本实施例的主要技术方案与实施例 1相同，在本实施例中未解释的特 征， 采用实施例 1中的解释， 在此不再进行赘述。 本实施例与实施例 1的区别在于， 筒体上焊接端 20和筒体下焊接端 21沿筒体的径向往 外延伸有环形凸缘 5， 突部 4分别设置在上盖焊接端 10和下盖焊接 端 30上。 当然在相邻两焊接端中， 环形凸缘 5也可以选择设置在上 盖焊接端 10上而不设在筒体上焊接端 20上； 同理， 在筒体下焊接端 21和下盖焊接端 30中， 环形凸缘 5也可以选择设在下盖焊接端 30 上。 本实施例的压缩机储液器不设置隔板 8。
为防止焊渣掉入储液器中， 在筒体上焊接端 20的环形凸缘 5上 设置一凸挡 51， 凸挡 51向上盖焊接端 10的方向、 贴设于上盖 1的 内侧壁延伸凸起， 以遮挡焊接端， 如图 2所示。 类似地， 在筒体下焊 接端 21的环形凸缘 5上设置了相同结构的凸挡 51， 有效防焊接端电 阻焊接时， 焊渣掉进压缩机储液器， 凸挡 51同时也起到一个定位的 作用， 定位上盖 1、 下盖 3与筒体 2装配位置。
实施例 3
本发明创造的压缩机储液器的具体实施方式之三， 如图 3所示， 本实施例的主要技术方案与实施例 1相同，在本实施例中未解释的特 征， 采用实施例 1中的解释， 在此不再进行赘述。 本实施例与实施例 1的区别在于， 上盖焊接端 10、 筒体上焊接端 20、 筒体下焊接端 21 和下盖焊接端 30均沿储液器外壳的径向往外延伸有环形凸缘 5， 其 中， 上盖焊接端 10的环形凸缘 5上设置有压型 50， 该压型 50具体 为向筒体上焊接端 20的环形凸缘 5的方向凸起的压型， 另外， 该压 型 50也可以改为设置在筒体上焊接端 20的环形凸缘 5上，其方向则 相应地改成朝向上盖焊接端 10的环形凸缘 5 ; 类似地， 筒体下焊接 端 21的环形凸缘 5上设置了相同的压型 50， 而这压型 50则朝向下 盖焊接端 30凸起。
该压型 50可设置一个或者多个，该压型 50的横截面可设计成弧 形或者尖角形， 如图 3所示， 以保证压型 50与焊接端之间为线接触 或者点接触。
设置压型 50是为了减少焊接时的接触面积， 即减小电阻决定式 里 R= P 1/s的 s， 在储液器外壳的各组成部分的焊接端向外延伸环形 凸缘 5， 并将压型 50设置在环形凸缘 5上， 可增加实际焊接端的有 效长度，即增加电阻决定式里 R= P 1/s的 1，最终提高了 1/s的比值， 增加了焊接端的电阻值， 实现快速加热。
由于在焊接端之间增设了压型 50， 焊接端之间会形成一间距， 在焊接时， 焊渣可能会从这间缝掉入到储液器里面， 为防止焊渣掉入 储液器， 在上盖焊接端 10的环形凸缘 5上设置一凸挡 51， 凸挡 51 向筒体上焊接端 20的环形凸缘 5的方向、 并贴设于筒体 2的内侧壁 延伸， 以遮挡所述间缝， 如图 3所示。 类似地， 在筒体下焊接端 21 的环形凸缘 5上设置了相同的凸挡 51， 进一歩地， 可在下盖焊接端 30的环形凸缘 5上设置与所述凸挡 51的位置、形状相配合的卡位 52， 焊接时， 凸挡 51卡嵌在卡位 52中， 方便各组成部分的定位， 见图 3。
实施例 4
本发明创造的压缩机储液器的具体实施方式之四， 如图 4所示， 包括储液器外壳， 所述储液器外壳包括一中空的筒体 2、 以及分别连 接于筒体 2两端的上盖 1和下盖 3， 上盖 1、 筒体 2和下盖 3通过电 阻焊焊接组成所述储液器外壳。 其中， 上盖 1设置有上盖焊接端 10， 筒体 2设置有筒体上焊接端 20和筒体下焊接端 21， 下盖 3设置有下 盖焊接端 30。
其中， 筒体上焊接端 20上的设置有倾斜部 7， 倾斜部 7具体为 沿筒体上焊接端 20设置的环状的倾斜壁面， 倾斜部 7与上盖焊接端 10相对倾斜， 所述倾斜部 7可以向上盖 1的内部倾斜， 此时是上盖 焊接端 10的内侧边与倾斜部 7的斜面线接触； 倾斜部 7也可以朝上 盖 1的外部倾斜， 此时是上盖焊接端 10的外侧边与倾斜部 7的斜面 线接触。 优选地， 倾斜部 7往上盖 1的内部倾斜。 当然该倾斜部 7也 可以改为设置在上盖焊接端 10上。类似地， 在下盖焊接端 30上也设 置有倾斜部 7。
电阻焊接时， 筒体上焊接端 20上的倾斜部 7的斜面与上盖焊接 端 10的内侧边线接触焊接， 大大降低了焊接时的接触面积， 大大提 高了进行电阻焊时的焊接电阻， 使得倾斜部 7与上盖焊接端 10的接 触能快速产生足够电阻热， 从而被融化并焊接， 实现了快速焊接， 极 大地提高了生产加工效率。 同理， 下盖焊接端 30上的倾斜部 7与筒 体下焊接端 21的内侧边线接触电阻焊接。
如图 4所示， 同样为了防止进行电阻焊接时焊渣进入储液器内， 在筒体上焊接端 20的倾斜部 7的端部往上盖焊接端 10方向延伸有凸 挡 51， 凸挡 51具体为沿倾斜部 7的顶端设置的环状壁， 该环状壁的 外侧面贴设于上盖 1的内侧壁。 同理， 下盖焊接端 30的倾斜部 7上 设置同样的凸挡 51。
实施例 5
本发明创造的压缩机储液器的具体实施方式之五， 如图 5所示， 本实施例的主要技术方案与实施例 4相同，在本实施例中未解释的特 征， 采用实施例 4中的解释， 在此不再进行赘述。 本实施例与实施例 4的区别在于， 两个倾斜部 7分别设置在筒体上焊接端 20和筒体下 焊接端 21上， 如图 5所示， 在筒体 2上设置的倾斜部 7， 在外形上 是沿筒体 2的外壁设置的环状的倾斜状凸起，该两个倾斜部 7分别与 上盖焊接端 10和下盖焊接端 30的内侧边线接触配合。
实施例 6
本发明创造的压缩机储液器的具体实施方式之六， 如图 6所示， 本实施例的主要技术方案与实施例 5相同，在本实施例中未解释的特 征， 采用实施例 5中的解释， 在此不再进行赘述。 本实施例与实施例 5的区别在于， 两个倾斜部 7分别设置在筒体上焊接端 20和下盖焊 接端 30上， 如图 6所示， 该两个倾斜部 7分别与上盖焊接端 10和筒 体下焊接端 21的内侧边线接触配合。
实施例 7
本发明创造的压缩机储液器的具体实施方式之七， 如图 7所示， 包括储液器外壳， 所述储液器外壳包括上盖 1和下盖 3， 上盖 1设置 有上盖焊接端 10， 上盖 1和下盖 3通过电阻焊焊接组成所述储液器 外壳， 下盖 3设置有下盖焊接端 30， 上盖焊接端 10与下盖焊接端 30 通过电阻焊对接焊接以连接上盖 1与下盖 3。
如图 7所示，在上盖焊接端 10与下盖焊接端 30之间设置有一个 焊接连接部， 所述焊接连接部能够采用电阻焊接以连接上盖焊接端 10与下盖焊接端 30， 具体地， 所述焊接连接部为金属环 6， 金属环 6 的横截面呈圆形，优选地， 该金属环 6的材料成分包括 Fe、 Cu和 Ag。 更优选地， Fe、 Cu和 Ag的质量百分比含量为 Fe占 59%〜60%， Cu占 39%〜40%， Ag占 0%〜2%。
实施例 8
本发明创造的压缩机储液器的具体实施方式之八， 如图 8所示， 本实施例的主要技术方案与实施例 7相同，在本实施例中未解释的特 征， 采用实施例 7中的解释， 在此不再进行赘述。 本实施例与实施例 7的区别在于， 上盖焊接端 10和下盖焊接端 30沿储液器外壳的径向 往外延伸有环形凸缘 5， 金属环 6设置在上盖焊接端 10和下盖焊接 端 30的环形凸缘 5之间。
最后应当说明的是，以上实施例仅用以说明本发明创造的技术方 案， 而非对本发明创造保护范围的限制， 尽管参照较佳实施例对本发 明创造作了详细地说明， 本领域的普通技术人员应当理解， 可以对本 发明创造的技术方案进行修改或者等同替换，而不脱离本发明创造技 术方案的实质和范围。

Claims

权 利 要 求 书
1. 压缩机储液器， 包括储液器外壳， 所述储液器外壳为由至少两 个外壳分部通过电阻焊焊接组成的储液器外壳， 外壳分部设有 焊接端， 相邻两外壳分部之间通过所述焊接端焊接， 所述储液 器外壳的各组成部分间的焊接端通过电阻焊焊接， 其特征在 于： 所述储液器外壳的相邻两外壳分部的焊接端之间增设一能 进行电阻焊接的焊接连接部， 在所述相邻两外壳分部的焊接端 中， 至少其中一个焊接端与所述焊接连接部之间的接触面小于 所述相邻两外壳分部的焊接端之间的接触面。
2. 根据权利要求 1所述的压缩机储液器， 其特征在于： 所述焊接 连接部为横截面呈圆形的金属环， 所述金属环的两个端面分别 抵接于相邻两外壳分部的焊接端， 并与所述焊接端形成线接 触。
3. 根据权利要求 1所述的压缩机储液器， 其特征在于： 所述焊接 连接部为设置在相邻两外壳分部的焊接端中的其中一个焊接 端上、 并朝其中另一个焊接端方向突起的突部。
4. 根据权利要求 3所述的压缩机储液器， 其特征在于： 所述突部 为在所述储液器轴向方向上呈环状或者虚线环状的突部， 所述 突部的横截面轮廓呈三角形或者弓形， 所述突部与所述其中另 一个焊接端线接触或者点接触。
5. 根据权利要求 1所述的压缩机储液器， 其特征在于： 相邻两外 壳分部的焊接端均沿所述储液器外壳的径向往外延伸有环形 凸缘， 所述焊接连接部为设置在所述相邻两外壳分部的焊接端 中的其中一个焊接端的环形凸缘上朝向其中另一个焊接端的 环形凸缘方向的突起的压型。
6. 根据权利要求 5所述的压缩机储液器， 其特征在于： 所述压型 为在所述储液器轴向方向上呈环状或者虚线环状的压型， 所述 压型设置有一个或者多个， 所述压型的横截面轮廓呈弧形或者 尖角形， 所述压型与所述其中另一个焊接端线接触或者点接 触。
7. 根据权利要求 1所述的压缩机储液器， 其特征在于： 所述焊接 连接部为设置在相邻两外壳分部的焊接端中的其中一个焊接 端上的倾斜部， 所述倾斜部与其中另一个焊接端相对倾斜， 所 述倾斜部与所述其中另一个焊接端的外侧或内侧线接触。
8. 根据权利要求 1所述的压缩机储液器， 其特征在于： 所述储液 器外壳的相邻两部分的焊接端中， 其中一个焊接端上设置凸 挡， 所述凸挡朝其中另一个焊接端的方向、 并贴设于所述其中 另一个焊接端的内侧壁延伸， 以遮挡焊渣掉入储液器内。
9. 根据权利要求 8所述的压缩机储液器， 其特征在于： 所述其中 另一个焊接端上设置有与所述凸挡位置、 形状相配合的卡位， 焊接时， 所述凸挡卡接于所述卡位。
10.根据权利要求 1所述的压缩机储液器， 其特征在于： 所述压缩 机储液器内部还设置有隔板， 所述隔板为圆环形隔板， 所述隔 板中间设置有用于穿过储液器出气管的通孔， 所述储液器外壳 包括一中空的筒体、 以及分别连接于筒体两端的上盖和下盖， 上盖设置有上盖焊接端， 筒体设置有筒体上焊接端和筒体下焊 接端， 下盖设置有下盖焊接端， 筒体下焊接端与下盖焊接端之 间设置有所述焊接连接部和所述隔板， 筒体下焊接端与下盖焊
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