WO2017097044A1 - 交流接触器 - Google Patents

交流接触器 Download PDF

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Publication number
WO2017097044A1
WO2017097044A1 PCT/CN2016/103049 CN2016103049W WO2017097044A1 WO 2017097044 A1 WO2017097044 A1 WO 2017097044A1 CN 2016103049 W CN2016103049 W CN 2016103049W WO 2017097044 A1 WO2017097044 A1 WO 2017097044A1
Authority
WO
WIPO (PCT)
Prior art keywords
yoke
base
mounting
surge
fixing
Prior art date
Application number
PCT/CN2016/103049
Other languages
English (en)
French (fr)
Inventor
徐平
胡钰佳
章星栋
张志文
肖体锋
Original Assignee
浙江正泰电器股份有限公司
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 浙江正泰电器股份有限公司 filed Critical 浙江正泰电器股份有限公司
Priority to US15/781,160 priority Critical patent/US10770251B2/en
Priority to EP16872238.7A priority patent/EP3389073B1/en
Priority to ES16872238T priority patent/ES2835774T3/es
Publication of WO2017097044A1 publication Critical patent/WO2017097044A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings
    • H01H2050/446—Details of the insulating support of the coil, e.g. spool, bobbin, former
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/163—Details concerning air-gaps, e.g. anti-remanence, damping, anti-corrosion

Definitions

  • the utility model relates to the technical field of low-voltage electrical appliances, in particular to an AC contactor.
  • the existing AC contactor coil generally has no protection measures. In special circumstances, it can be supplemented with a surge suppressor for protection.
  • the surge suppressor needs to be connected to the coil and close to the coil. Therefore, it is necessary to provide a mounting groove near it. Or the recessed hole is used to place the surge suppressor.
  • the surge suppressor is installed inside the product and covers a large area, which makes the base design more complicated, increases the design difficulty and processing difficulty of the mold, and has low production efficiency. Moreover, the assembly needs to be The surge suppressor is loaded inside the product, and the process is complicated and inconvenient to assemble.
  • the existing contactors often suffer from the fact that the final product cannot complete the overall assembly due to the deviation of the processing.
  • the main reason is that there is a lack of adjustment structure for adjusting the total range of the product, which brings great inconvenience to the production, for example,
  • the contact surface of the coil bobbin close to the base is flat, avoiding interference with the base structure, and the mold making is relatively simple and convenient for measurement, but the compression amount of the support member is limited by the entire plane and cannot pass through the coil bobbin. Size to adjust the product total.
  • the existing contactor generally uses a supporting member to fix the yoke, and the supporting member plays a certain buffering role, and the supporting member generally adopts a symmetrical and non-eccentric structure.
  • the mold is simple to manufacture, if the total range of the contactor occurs, etc. Inconsistent, the parameters cannot be adjusted by means of positive or negative assembly, and the flexibility is not strong. Due to the material, process, deformation and other factors, the plastic parts are prone to size non-conformity, resulting in a change in the size of the total range, which will cause the total range to be too large or too small, thus affecting the overtravel of the product and affecting the reliability of the product. Sex.
  • the purpose of the utility model is to overcome the defects of the prior art and provide an AC contactor with simple structure and high reliability.
  • An AC contactor comprising a base 1 and a yoke 4 mounted on a bottom plate of the base 1 with yoke support members 41 for supporting and buffering the yoke 4 on both sides of the yoke 4, wherein The yoke support The thickness of the side walls of the member 41 at the joint with the yoke 4 is not the same.
  • the yoke support member 41 is provided with an identifier 411 for distinguishing the side walls of the two different thicknesses.
  • the identifier 411 is a protrusion or a groove.
  • the identifier 411 has a circular shape.
  • the ratio of the thicknesses of the side walls of the yoke holder 41 having the different thicknesses is 4:3.
  • connection between the yoke support 41 and the yoke 4 is a mounting groove 412, and the thickness of the side walls on both sides of the mounting groove 412 is different.
  • the yoke 4 is provided with a horizontally penetrating yoke through hole 42 through which the yoke mounting piece 43 passes, and the yoke mounting piece 43 is exposed on both ends of the yoke 4
  • a yoke holder 41 for supporting and buffering the yoke 4 is sheathed and fixed.
  • the yoke 4 is fixedly connected to the base 1 through the yoke support members 41 on both sides thereof.
  • Two horizontal inverted concave platforms 13 are disposed opposite the two side walls in the base 1.
  • the concave shaped platform 13 The recessed side wall is provided with a fixing groove 131 for fixing the yoke support member 41; one end of the square block yoke support member 41 is provided with a mounting groove 412 for engaging with the yoke mounting piece 43, the yoke support member
  • the other end of the 41 is provided with a fixing protrusion 413 which cooperates with the fixing groove 131.
  • the fixing protrusion 413 has a triangular prism shape; a groove for forming the yoke 4 and the yoke mounting piece 43 is formed between the concave platform 13 and the base 1. a yoke mounting groove 14 covering a portion of the yoke support 41; when mounted, the yoke 4 is housed in the yoke mounting groove 14, and a portion of the yoke mounting piece 43 covered with the yoke support 41 is inserted into the two In the recessed portion of the concave-shaped platform 13, the simultaneous fixing projection 413 is caught in the fixing recess 131 to form a fixing to the yoke 4.
  • a cushioning pad 7 for buffering the yoke 4 is provided between the base 1 and the yoke 4.
  • the base 1 is provided with a bobbin 3 mounted on the yoke 4, and the bobbin 3 includes an upper connecting plate 33 and a lower connecting plate 31 and is disposed between the upper connecting plate 33 and the lower connecting plate 31.
  • An annular groove for mounting the coil 5 is formed between the upper connecting plate 33, the upper connecting plate 33, the lower connecting plate 31 and the terminal 32, and the connecting post 32 is axially provided with a skeleton through hole 34 through which the bobbin 3 is passed.
  • the skeleton through hole 34 is fixed to the yoke 4; the yoke 4 is an E-shaped structure, and the E-shaped yoke 4 is opened upward on the bottom plate of the base 1, and the bobbin 3 is along the E-shaped yoke 4.
  • the adjusting portion 311 of the intermediate portion slid to the bobbin 3 abuts against the yoke support 41 of the yoke 4; the side wall of the base 1 is mounted with a terminal 6 connected to the coil 5, and the base 1 is close to the wiring
  • One side of the terminal 6 is provided on the outer wall for fixing
  • Two surge mounting holes 11 in a straight line of the surge suppressor 2 are disposed on the outer wall of the surge suppressor 2 that contacts the base 1 and are provided with two mounting bumps 21 that cooperate with the surge mounting holes 11 .
  • the side wall of the mounting bump 21 is embossed to form a hook 211 that is in interference fit with the surge mounting hole 11.
  • the surge suppressor 2 is inserted into the surge mounting hole 11 of the base 1 through the mounting protrusion 21 thereon.
  • the fixed connection with the base 1 is assembled, and the surge suppressor 2 is adjacent to the terminal 6 to facilitate the wiring connection therebetween.
  • the yoke support member of the AC contactor of the present invention has a simple structure by adopting an asymmetric eccentric structure, and the upper and lower positions of the yoke relative to the base plate are adjusted by changing the assembly direction of the yoke support member, thereby adjusting the total product.
  • the purpose of the process is high flexibility. When the size of the plastic parts is abnormal, it has a certain amount of adjustment, which ensures the complete assembly of the product and improves efficiency and reliability. It is convenient to ensure that the thick and thin walls of the yoke support on both sides of the yoke are consistent in the upper and lower positions, and it is also convenient to quickly distinguish and adjust during adjustment to improve efficiency and reliability.
  • the assembly structure of the coil bobbin, the yoke, and the base is simple, reliable, and efficient.
  • Figure 1 is a cross-sectional view showing the structure of the AC contactor base of the present invention
  • FIG 2 is an assembled perspective view of the structure of the AC contactor base of the present invention
  • FIG. 3 is a schematic structural view of a base of the present invention.
  • FIG. 4 is an assembly view of a yoke, a coil bobbin, a coil and a terminal of the present invention
  • Figure 5 is an inverted view of the coil bobbin of the present invention.
  • Figure 6 is a schematic structural view of a yoke support member of the present invention.
  • FIG. 7 is a schematic structural view of a surge suppressor of the present invention.
  • FIG. 8 is a schematic structural view of a housing of a surge suppressor of the present invention.
  • FIG. 9 is a schematic structural view of a cover body of a surge suppressor of the present invention.
  • the AC contactor of the present invention comprises a base 1, a surge suppressor 2, a yoke 4, a bobbin 3, a coil 5, a terminal 6 and a cushioning pad 7, and the yoke 4 Mounted on the base 1
  • a cushion pad 7 for buffering the yoke 4 is disposed on the bottom plate between the yoke 4 and the bottom plate of the base 1.
  • the bobbin 3 is mounted on the yoke 4 and sunk into the base 1, and the coil 5 is sleeved on the bobbin 3.
  • the upper terminal is located between the coil bobbin 3 and the yoke 4, and the terminal 6 is mounted on the bobbin 3 and is fixed to the upper end of the side wall of the base 1 together with the bobbin 3, and the connection terminal 6 and the coil 5 are electrically connected.
  • the surge suppressor 2 is mounted on the outer wall of the base 1 adjacent to the terminal 6 to facilitate wiring connection with the terminal 6.
  • the mounting structure of the base 1 and the yoke 4 of the present invention is provided with mounting screw holes 12 for mounting and fixing the contactors in the use position at the outer corners of the base 1.
  • the yokes 4 pass through the two sides thereof.
  • the yoke support member 41 is fixedly connected to the base 1, and two horizontal inverted concave-shaped platforms 13 are oppositely disposed between the two side walls of the base 1.
  • the concave side walls of the concave-shaped platform 13 are provided with a fixing yoke.
  • a square block-shaped yoke support member 41 for fixing and buffering the yoke 4 is covered and fixed at both ends. Referring to FIG. 6, one end of the square block-shaped yoke support member 41 is provided to cooperate with the yoke mounting piece 43.
  • the mounting groove 412, the other end of the yoke support member 41 is provided with a fixing protrusion 413 that cooperates with the fixing groove 131.
  • the fixing protrusion 413 has a triangular prism shape, and the port of the mounting groove 412 is provided with a circular chamfer. 414 so that the yoke support 41 is mounted in position; the concave platform 13 is formed with the base 1 for mounting the magnetic 4 and a yoke mounting piece 43 is covered with a yoke mounting groove 14 of a portion of the yoke support 41; when mounted, the yoke 4 is housed in the yoke mounting groove 14, and the yoke mounting piece 43 is covered with a yoke A portion of the support member 41 is caught in the recessed portion of the two concave-shaped platforms 13 while the fixing projections 413 are caught in the fixing recess 131 to form a fixing to the yoke 4.
  • the bobbin 3 of the present invention includes an upper connecting plate 33 and a lower connecting plate 31, and a binding post 32 disposed between the upper connecting plate 33 and the lower connecting plate 31, and an upper connecting plate 33, An annular groove for mounting the coil 5 is formed between the lower connecting plate 31 and the terminal post 32.
  • the terminal block 32 is axially provided with a skeleton through hole 34, and the bobbin 3 is fixedly mounted on the yoke through the skeleton through hole 34 thereon.
  • the yoke 4 is an E-shaped structure, the E-shaped yoke 4 is open upwardly on the bottom plate of the base 1, and the bobbin 3 is slid along the middle portion of the E-shaped yoke 4 to the adjustment of the bobbin 3.
  • the projection 311 abuts against the yoke holder 41 of the yoke 4.
  • a connecting boss 35 is disposed at four corners of the upper connecting plate 33 of the bobbin 3.
  • the connecting boss 35 is snap-fitted to the upper end corner of the base 1.
  • At least one of the four connecting bosses 35 is used for mounting the fixing terminal 6.
  • At least one of the connection bosses 35 on which the terminal 6 is mounted is adjacent to the surge suppressor 2 mounted on the outer wall of the base 1.
  • the coil 5 is sleeved on the terminal 32 of the bobbin 3 Further, in the two openings of the E-shaped yoke 4, the electrical connection between the coil 5 and the terminal 6 mounted on the bobbin 3 is achieved by
  • the mounting structure of the AC contactor base and the surge suppressor of the present invention includes a base 1 and a surge suppressor 2, and the upper end corner of the side wall of the base 1 is mounted with a coil.
  • the 5-phase-connected terminal 6 is provided with a surge mounting hole 11 for fixing the surge suppressor 2 on the outer wall of the base 1 adjacent to the terminal 6, and correspondingly disposed on the outer wall of the surge suppressor 2 contacting the base 1.
  • the mounting bump 21 is matched with the surge mounting hole 11 , and the surge suppressor 2 is inserted into the surge mounting hole 11 of the base 1 through the mounting protrusion 21 thereon to realize the fixed connection with the base 1 .
  • the surge suppressor 2 is adjacent to the terminal 6 to facilitate the wiring connection therebetween.
  • the surge suppressor is snap-connected to the outer wall of the base and adjacent to the terminal, and has a simple structure, ensures reliable positioning and installation, simplifies the assembly process, makes the user's operation simple, facilitates heat dissipation, and improves assembly efficiency and product reliability.
  • the mold structure of the base is simplified, which is convenient for manufacturing and production.
  • One out of two or one out four greatly improves the production efficiency of the parts; the layout is reasonable, the wiring connection between the surge suppressor and the terminal is convenient, the wiring distance is reduced, material and space are saved.
  • the overall structure is compact and orderly, and the reliability is high.
  • the depth of the surge mounting hole ranges from 1.2 mm to 1.5 mm.
  • the side wall of the mounting protrusion 21 of the present invention is formed with a hook 211 that is in interference fit with the surge mounting hole 11 , and the hook 211 is a barb structure.
  • the mounting protrusion 21 of the device 2 is inserted into the surge mounting hole 11 , and the hook 211 is inserted into the side wall of the surge mounting hole 11 with the mounting protrusion 21 extending into the surge mounting hole 11 to implement the surge suppressor 2 and A fixed connection of the base 1.
  • the overall assembly structure is simple, reliable and efficient, and the assembly is convenient without tools.
  • the surge mounting hole 11 of the present invention is a through hole, and the hook 211 is disposed at the head of the mounting bump 21, and the surge suppressor is assembled.
  • the mounting projection 21 of the second embodiment is inserted into the surge mounting hole 11, and the hook 211 holds the side wall end of the surge mounting hole 11 to achieve an interference connection with the surge mounting hole 11. Easy to handle and improve assembly efficiency.
  • the surge mounting hole 11 of the present invention is engaged with the hook 211, the surge mounting hole 11 is a blind hole.
  • the mounting bump 21 of the surge suppressor 2 is inserted into the surge mounting hole 11
  • the hook 211 catches the side wall of the surge mounting hole 11 to achieve an interference connection with the surge mounting hole 11.
  • the surge mounting holes 11 are square holes, the number of which is at least two; correspondingly, the mounting bumps 21 are square pillars, and the number thereof is equal to the number of the surge mounting holes 11.
  • the number of the bumps 21 is preferably two, and the two surge mounting holes 11 and the two mounting bumps 21 are linearly distributed. It not only ensures the firmness of the installation, but also facilitates installation and improves installation efficiency.
  • the surge suppressor 2 of the present invention includes a housing 22 having an opening, the open end of the housing 22 and the closed end being disposed opposite each other, wherein the open end of the housing 22
  • the upper cover is fixed with a matching cover 23 to form an enclosed space in which the built-in components of the surge suppressor 2 are mounted, and the mounting end 21 is provided on the closed end face of the housing 22, and the surge suppressor 2 is mounted by the bump
  • the 21 card is fixedly attached to the base 1, and the closed end surface of the housing 22 of the surge suppressor 2 abuts against the side wall of the base 1.
  • a fixing protrusion 222 for fixing the cover body 23 is disposed on two sides of the housing 22, and a fixing ear 231 of a U-shaped structure is provided on both sides of the cover body 23, and an opening of the fixing ear 231 of the U-shaped structure is provided.
  • the end of the cover body 23 is formed with a fixing hole 232 which is closed with the fixing protrusion 222.
  • the fixing protrusion 222 is provided with a transition slope 2221 for assembly, and the transition slope 2221 is inclined along the mounting direction of the cover 23 toward the side wall gradually away from the housing 22; the open end of the housing 22 is two A limiting recess 223 is defined on the side of the limiting cover 23, and the limiting protrusion 233 is matched with the limiting recess 223 at the corresponding position of the cover 23, so that the cover 23 is matched to cover the housing 22.
  • the closed end of the housing 22 is provided with four trapezoidal side bevels 221 connected around, and the four side bevels 221 are closedly connected by the closed end faces of the housing 22, the mounting lugs 21
  • the root end surface includes a first connecting surface 212 and a second connecting surface 213 disposed at an angle, wherein the first connecting surface 212 is in abutting connection with the closed end surface of the housing 22, and the second connecting surface 213 and the side inclined surface 221 of the housing 22 a fitting connection;
  • the upper end surface of the housing 22 is provided with a wiring through hole 224 for the built-in component wiring of the surge suppressor 2, specifically, the wiring through hole 224 is disposed along the open end edge of the housing 22, through the cover
  • the body 23 is covered and fixed on the open end of the casing 22 to form the closed joint The through hole 224.
  • the yoke 4 is mounted in the base 1, and both sides of the yoke 4 are provided with supporting and buffering yokes 4.
  • the yoke support member 41 is mounted on the yoke 4 and sunk into the base 1.
  • the end surface of the lower connecting plate 31 of the bobbin 3 is provided with a yoke support member 41 for adjusting the compression of the yoke support member 41.
  • the overall height of the contactor is finely adjusted, the compression amount of the yoke support member is increased, and the constraint of the coil bobbin by the interference of the base structure is avoided, so that the yoke support member also remains.
  • the structure is simple, the assembly is convenient, and the reliability of the product is improved.
  • the adjustment protrusion 311 of the present invention is a square protrusion or a trapezoidal protrusion; the number of the adjustment protrusions 311 is at least one.
  • the adjusting protrusion 311 is preferably a trapezoidal bump, which avoids interference with the base structure to ensure the assembly of the bobbin and improves the stability of the bobbin.
  • the number of the adjusting protrusions 311 is preferably two.
  • the four corners of the lower end surface of the bobbin 3 are provided with supporting bosses 312 which are disposed along the four corners of the lower connecting plate 31 of the wiring frame 3.
  • the scalloped boss structure, the two adjusting protrusions 311 are respectively disposed between the two lateral support bosses 312, the height of the adjusting protrusion 311 is greater than the height of the supporting boss 312; and between the longitudinal two supporting bosses 312 Grooves that match the width of the yoke 4 are formed to avoid interference with the yoke 4 during assembly.
  • the adjustment projections 311 of the bobbin 3 are in contact with the yoke support 41 fixed in the base 1.
  • the eccentric structure of the yoke support of the present invention is mounted on the bottom plate of the base 1, and both sides of the yoke 4 are provided with supporting and buffering yokes 4.
  • the yoke holder 41 wherein the yoke holder 41 is mounted on the bottom plate of the base 1, and the thickness of the side wall of the yoke holder 41 at both sides of the joint with the yoke 4 is different.
  • the connection between the yoke support member 41 and the yoke 4 is a mounting groove 412, and the thickness of the side walls on both sides of the mounting groove 412 is different.
  • the two side walls having different thicknesses refer to the side wall of the yoke support member 41 that is in contact with the adjustment protrusion 311 of the bobbin 3 and the side wall that is in contact with the bottom plate of the base 1;
  • the thickness of the side wall of the yoke support 41 in contact with the bobbin 3 is greater than the thickness of the side wall of the yoke support 41 and the bottom plate of the base 1; or the yoke support 41 and the bobbin
  • the thickness of the side wall of the contact connection is smaller than the thickness of the side wall of the yoke support member 41 in contact with the bottom plate of the base 1.
  • the asymmetric eccentric structure of the yoke support member is simple in structure, and the yoke can be adjusted relative to the base plate by changing the assembly direction of the yoke support member such as a thin wall at the upper thick wall or a thick wall at the upper thin wall.
  • Up and down position so as to achieve the purpose of adjusting the total range of the product, high flexibility, can have a certain amount of adjustment when the size of the plastic parts shell is abnormal, to ensure the complete assembly of the product, improve efficiency and reliability.
  • the ratio of the thicknesses of the side walls of the yoke support member 41 having different thicknesses is 4:3, and the adjustment effect is more obvious.
  • the yoke support member 41 of the present invention is provided on the yoke support member 41 for distinguishing the thicknesses from being different.
  • the identification members 411 of the side walls of the two sides may be disposed on the thick side walls of the two side walls of the yoke support member 41 having different thicknesses, or may be disposed on the two sides of the yoke support member 41 having different thicknesses.
  • On the thin side wall of the wall the distinction can be achieved. It is convenient to ensure that the thick and thin walls of the yoke support on both sides of the yoke are consistent in the upper and lower positions, and it is also convenient to quickly distinguish and adjust during adjustment to improve efficiency and reliability.
  • the identifier 411 is a protrusion or a groove, and the shape of the identifier 411 is circular. The position and shape of the identifier 411 are sized to distinguish and do not interfere with the yoke support 41 and the magnetic The assembly of the yoke 4 or the base 1 is correct.

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Abstract

交流接触器包括底座（1）和磁轭（4），该磁轭（4）安装在底座（1）的底板上，磁轭（4）的两侧设有用于支持和缓冲磁轭（4）的磁轭支持件（41），其中该磁轭支持件（41）在与磁轭（4）的连接处的两侧的侧壁厚度不相同。该交流接触器的磁轭支持件（41），通过采用不对称偏心结构的设置，结构简单，通过更改磁轭支持件（41）的装配方向来调整磁轭（4）相对于底座（1）底板的上下位置，达到调节产品总程的目的，灵活性高，可在塑料件壳体尺寸出现异常时，具有一定的调节量，保障能够完成产品的整体装配，提高效率和可靠性。

Description

交流接触器 技术领域
本实用新型涉及低压电器技术领域，具体涉及一种交流接触器。
背景技术
现有的交流接触器线圈一般情况下没有保护措施，特殊环境下可以辅配浪涌抑制器进行保护，而浪涌抑制器需与线圈相连，靠近线圈，因此需要在其附近设置一个安装凹槽或凹孔用于放置浪涌抑制器，浪涌抑制器安装在产品内部，占地较大，使底座设计更加复杂，增加模具的设计难度和加工难度，生产效率低；而且，装配时需将浪涌抑制器装入产品内部，工艺较复杂，不便于装配。
此外，现有的接触器常出现因加工出现偏差导致最后产品无法完成整体装配的情况，究其原因主要是缺乏调节产品总程的调整结构，而这给生产带来极大不便，例如现有的接触器的线圈骨架贴近底座的接触面均为平面，避免与底座结构干涉，且模具制作相对简单，方便测量，但是这对支持件的压缩量受到了整个平面的制约限制，无法通过线圈骨架尺寸来进行调节产品总程。而且，现有的接触器一般采用支持件来固定磁轭，且支持件起到一定的缓冲作用，支持件一般采用对称不偏心的结构，虽然模具制作简单，但若出现接触器总程等参数不符合，无法通过或正或反的装配来调节参数，灵活性不强。而塑料件由于材料、工艺、变形等变化因素，极易出现尺寸不符合的情况，导致总程的尺寸变化，会造成总程过大或过小，从而影响产品的超程，影响产品的可靠性。
实用新型内容
本实用新型的目的在于克服现有技术的缺陷，提供一种结构简单、可靠性高的交流接触器。
为实现上述目的，本实用新型采用了如下技术方案：
一种交流接触器，包括底座1和磁轭4，所述磁轭4安装在底座1的底板上，磁轭4的两侧设有用于支持和缓冲磁轭4的磁轭支持件41，其中所述磁轭支持 件41在与磁轭4的连接处的两侧的侧壁厚度不相同。
优选地，所述磁轭支持件41上设有用于区分所述厚度不相同的两侧侧壁的标识件411。
优选地，所述标识件411为凸起或凹槽。
优选地，所述标识件411的形状为圆形。
优选地，所述磁轭支持件41的所述厚度不相同的两侧侧壁的厚度之比为4∶3。
优选地，所述磁轭支持件41与磁轭4的连接处为安装凹槽412，安装凹槽412两侧的侧壁厚度不相同。
优选地，所述磁轭4的底部上设有水平贯通的磁轭通孔42，磁轭安装片43穿过磁轭通孔42，磁轭安装片43露在磁轭4外的两端上包覆固定有用于支持和缓冲磁轭4的磁轭支持件41。
优选地，所述磁轭4通过其两侧的磁轭支持件41与底座1固定连接，底座1内的两侧壁之间相对设置有两个水平倒置的凹字形平台13，凹字形平台13的凹陷侧壁上设有用于固定磁轭支持件41的固定凹槽131；方形块状的磁轭支持件41的一端设有与磁轭安装片43配合的安装凹槽412，磁轭支持件41的另一端设有与固定凹槽131配合的固定凸起413，固定凸起413呈三棱柱状；凹字形平台13与底座1之间形成用于安装磁轭4和磁轭安装片43包覆有磁轭支持件41的部分的磁轭安装槽14；安装时，磁轭4装入磁轭安装槽14内，且磁轭安装片43包覆有磁轭支持件41的部分卡入两个凹字形平台13的凹陷部分内同时固定凸起413卡入固定凹槽131内形成对磁轭4的固定。
优选地，所述底座1与磁轭4之间设有用于磁轭4缓冲的缓冲衬垫7。
优选地，所述底座1内设有安装在磁轭4上的线圈骨架3，所述线圈骨架3包括上连接板33和下连接板31以及设置在上连接板33和下连接板31之间的接线柱32，上连接板33、下连接板31和接线柱32之间形成用于安装放置线圈5的环形凹槽，接线柱32轴向设有骨架通孔34，线圈骨架3通过其上的骨架通孔34固定在磁轭4上；所述磁轭4为E型结构，E型的磁轭4开口朝上安装在底座1的底板上，线圈骨架3沿E型的磁轭4的中间部分滑行至线圈骨架3的调整凸起311与磁轭4的磁轭支持件41相抵接；所述底座1的侧壁上安装有与线圈5相连接的接线端子6，在底座1靠近接线端子6的一侧外壁上设有用于固 定浪涌抑制器2的呈直线分布的两个浪涌安装孔11，在浪涌抑制器2接触底座1的外壁上对应设有与浪涌安装孔11配合的两个安装凸块21，所述安装凸块21的侧壁隆起形成与浪涌安装孔11过盈配合的卡钩211，浪涌抑制器2通过其上的安装凸块21插接在底座1的浪涌安装孔11内实现与底座1的固定连接，装配后，浪涌抑制器2与接线端子6相邻以方便两者之间接线连接。
本实用新型的交流接触器的磁轭支持件，通过采用不对称偏心结构的设置，结构简单，通过更改磁轭支持件的装配方向来调整磁轭相对于底座底板的上下位置，达到调节产品总程的目的，灵活性高，可在塑料件壳体尺寸出现异常时，具有一定的调节量，保障能够完成产品的整体装配，提高效率和可靠性。方便装配时保障位于磁轭两侧的磁轭支持件的厚壁和薄壁上下位置一致，也方便调整时快速区分和调整，提高效率和可靠性。此外，线圈骨架、磁轭、底座的装配结构简单、可靠且效率高。
附图说明
图1是本实用新型的交流接触器底座内结构的剖视图；
图2是本实用新型的交流接触器底座内结构的装配立体图；
图3是本实用新型的底座的结构示意图；
图4是本实用新型的磁轭、线圈骨架、线圈和接线端子的装配图；
图5是本实用新型的线圈骨架的倒置图；
图6是本实用新型的磁轭支持件的结构示意图；
图7是本实用新型的浪涌抑制器的结构示意图；
图8是本实用新型的浪涌抑制器的壳体的结构示意图；
图9是本实用新型的浪涌抑制器的盖体的结构示意图。
具体实施方式
以下结合附图1至9给出的实施例，进一步说明本实用新型的交流接触器的具体实施方式。本实用新型的交流接触器不限于以下实施例的描述。
如图1-3所示，本实用新型的交流接触器包括底座1、浪涌抑制器2、磁轭4、线圈骨架3、线圈5、接线端子6和缓冲衬垫7，所述磁轭4安装在底座1的 底板上，磁轭4与底座1的底板之间设有用于缓冲磁轭4的缓冲衬垫7，线圈骨架3安装在磁轭4上并沉入底座1内，线圈5套接在线圈骨架3上且位于线圈骨架3与磁轭4之间，接线端子6安装在线圈骨架3上且与线圈骨架3一并固定在底座1的侧壁上端，接线端子6与线圈5之间电连接，浪涌抑制器2安装在底座1靠近接线端子6的一侧外壁上以便于与接线端子6接线连接。
如图1-3所示，本实用新型的底座1与磁轭4的装配结构，在底座1外四角设置有用于接触器安装固定在使用位置的安装螺钉孔12，磁轭4通过其两侧的磁轭支持件41与底座1固定连接，在底座1内的两侧壁之间相对设置有两个水平倒置的凹字形平台13，凹字形平台13的凹陷侧壁上设有用于固定磁轭支持件41的固定凹槽131；磁轭4的底部上设有水平贯通的磁轭通孔42，磁轭安装片43穿过磁轭通孔42，磁轭安装片43露在磁轭4外的两端上包覆固定有用于固定和缓冲磁轭4的方形块状的磁轭支持件41，参阅图6，方形块状的磁轭支持件41的一端设有与磁轭安装片43配合的安装凹槽412，磁轭支持件41的另一端设有与固定凹槽131配合的固定凸起413，固定凸起413呈三棱柱状，安装凹槽412的端口四周设有圆弧倒角414以便于磁轭支持件41安装到位；凹字形平台13与底座1之间形成用于安装磁轭4和磁轭安装片43包覆有磁轭支持件41的部分的磁轭安装槽14；安装时，磁轭4装入磁轭安装槽14内，且磁轭安装片43包覆有磁轭支持件41的部分卡入两个凹字形平台13的凹陷部分内同时固定凸起413卡入固定凹槽131内形成对磁轭4的固定。
如图4和图5所示，本实用新型的线圈骨架3包括上连接板33和下连接板31以及设置在上连接板33和下连接板31之间的接线柱32，上连接板33、下连接板31和接线柱32之间形成用于安装放置线圈5的环形凹槽，接线柱32轴向设有骨架通孔34，线圈骨架3通过其上的骨架通孔34安装固定在磁轭4上；所述磁轭4为E型结构，E型的磁轭4开口朝上安装在底座1的底板上，线圈骨架3沿E型的磁轭4的中间部分滑行至线圈骨架3的调整凸起311与磁轭4的磁轭支持件41相抵接。线圈骨架3的上连接板33上四角设置有连接凸台35，连接凸台35卡接固定在底座1的上端边角上，四个连接凸台35中至少有一个用于安装固定接线端子6，其中至少有一个安装有接线端子6的连接凸台35与安装在底座1外壁上的浪涌抑制器2相邻。线圈5套接在线圈骨架3的接线柱32上 且在E型的磁轭4两开口内，安装在线圈骨架3上的线圈5和接线端子6之间通过接线连接实现两者之间的电连接。
如图3和图7所示，本实用新型的交流接触器底座与浪涌抑制器的安装结构，包括底座1和浪涌抑制器2，所述底座1的侧壁上端边角安装有与线圈5相连接的接线端子6，在底座1靠近接线端子6的一侧外壁上设有用于固定浪涌抑制器2的浪涌安装孔11，在浪涌抑制器2接触底座1的外壁上对应设有与浪涌安装孔11配合的安装凸块21，浪涌抑制器2通过其上的安装凸块21插接在底座1的浪涌安装孔11内实现与底座1的固定连接，装配后，浪涌抑制器2与接线端子6相邻以方便两者之间接线连接。通过浪涌抑制器卡扣连接在底座的外壁上且与接线端子相邻，结构简单，确保定位和安装可靠，简化装配工序，使用户操作简单，便于散热，提高装配效率和产品的可靠性，同时简化底座的模具结构，方便制造生产，一出二或一出四，大幅提升了零件生产效率；布局合理，便于浪涌抑制器与接线端子之间接线连接，减少布线路程，节省材料和空间，使得整体结构紧凑有序、可靠性高。例如，浪涌安装孔的深度范围为1.2mm-1.5mm。
如图3和图7所示，本实用新型的安装凸块21的侧壁隆起形成与浪涌安装孔11过盈配合的卡钩211，卡钩211为倒钩结构，装配时，浪涌抑制器2的安装凸块21插入浪涌安装孔11内，卡钩211随安装凸块21伸进浪涌安装孔11后顺势卡扣住浪涌安装孔11的侧壁实现浪涌抑制器2与底座1的固定连接。整体装配结构简单、可靠且效率高，装配方便无需借助工具。本实用新型的浪涌安装孔11与卡钩211配合的一个实施例，所述浪涌安装孔11为通孔，卡钩211设置在安装凸块21的头部，装配时，浪涌抑制器2的安装凸块21插入浪涌安装孔11内，卡钩211扣住浪涌安装孔11的侧壁端部实现与浪涌安装孔11的过盈连接。方便装卸，提高装配效率。本实用新型的浪涌安装孔11与卡钩211配合的另一实施例，所述浪涌安装孔11为盲孔，装配时，浪涌抑制器2的安装凸块21插入浪涌安装孔11内，卡钩211卡住浪涌安装孔11的侧壁实现与浪涌安装孔11的过盈连接。不干涉底座内部结构，提高安装可靠性和稳定性。优选地，浪涌安装孔11为方形孔，其数量为至少两个；相应地，所述安装凸块21为方形柱状，其数量与浪涌安装孔11的数量对应相等。其中浪涌安装孔11和安装 凸块21的数量均优选为两个，且两个浪涌安装孔11和两个安装凸块21均呈直线分布。既保障安装的牢固性，也便于安装，提高安装效率。
如图7-9所示，本实用新型的浪涌抑制器2包括带有一个开口的壳体22，壳体22的开口端和封闭端一左一右相对设置，其中壳体22的开口端上覆盖固定有匹配的盖体23以形成安装浪涌抑制器2的内置元件的封闭空间，壳体22的封闭端端面上设有所述安装凸块21，浪涌抑制器2通过安装凸块21卡接固定在底座1上，浪涌抑制器2的壳体22封闭端端面与底座1的侧壁相抵。所述壳体22的两侧靠近开口端设有用于固定盖体23的固定凸块222，所述盖体23两侧设有U型结构的固定耳231，U型结构的固定耳231的开口端连接在盖体23上形成与固定凸块222配合的四周封闭的固定孔232，装配时，壳体22的固定凸块222卡入盖体23的固定孔232内且盖体23两侧的固定耳231夹住壳体22的两侧壁以实现壳体22与盖体23的固定连接。具体地，所述固定凸块222上设有过渡斜面2221以便于装配，过渡斜面2221沿盖体23的安装方向朝逐渐远离壳体22的侧壁方向倾斜；所述壳体22的开口端两侧设有用于限位盖体23的限位凹槽223，所述盖体23对应位置上设有与限位凹槽223配合的限位凸台233，使得盖体23匹配覆盖在壳体22的端口上；所述壳体22的封闭端设有环绕相连的四个梯形的侧斜面221，四个侧斜面221之间通过壳体22的封闭端端面闭合连接，所述安装凸块21的根部端面包括呈角度设置的第一连接面212和第二连接面213，其中第一连接面212与壳体22的封闭端端面贴合连接，第二连接面213与壳体22的侧斜面221贴合连接；所述壳体22的上端面上设有用于浪涌抑制器2的内置元件接线的接线通孔224，具体地，接线通孔224沿壳体22的开口端边缘设置，通过盖体23覆盖固定在壳体22的开口端上形成四周封闭的所述接线通孔224。
如图1和图4、图5所示，本实用新型的线圈骨架的凸起结构，所述磁轭4安装在底座1内，磁轭4的两侧设有用于支持和缓冲磁轭4的磁轭支持件41，线圈骨架3安装在磁轭4上并沉入底座1内，在线圈骨架3的下连接板31端面与磁轭支持件41配合处设有用于调整磁轭支持件41压缩量的调整凸起311。通过调整凸起和磁轭支持件的配合实现对接触器总体高度的微调，提高磁轭支持件的压缩量，避免线圈骨架受底座结构干涉的制约限制，使得磁轭支持件也留 有高度调整余量，避免加工制作过程造成的尺寸偏差而导致无法完成整体装配的情况，结构简单，方便装配，提高产品的可靠性。
如图5所示，本实用新型的调整凸起311为方形凸块或梯形凸块；所述调整凸起311的数量为至少一个。调整凸起311优选为梯形凸块，既避免干涉底座结构保障线圈骨架的装配，又提高线圈骨架的稳定性。所述调整凸起311的数量优选为两个，具体地，所述线圈骨架3的下端面四角设有支撑凸台312，支撑凸台312为沿接线骨架3的下连接板31的四角边缘设置的扇形凸台结构，两个调整凸起311分别设置在横向的两两支撑凸台312之间，调整凸起311的高度大于支撑凸台312的高度；纵向的两两支撑凸台312之间形成与磁轭4的宽度配合的凹槽以避免装配时与磁轭4相互干涉，装配后，线圈骨架3的调整凸起311与固定在底座1内的磁轭支持件41接触连接。
如图1和图6所示，本实用新型的磁轭支持件的偏心结构，所述磁轭4安装在底座1的底板上，磁轭4的两侧设有用于支持和缓冲磁轭4的磁轭支持件41，其中所述磁轭支持件41安装在底座1的底板上，磁轭支持件41在与磁轭4的连接处的两侧的侧壁厚度不相同。本实施例中，所述磁轭支持件41与磁轭4的连接处为安装凹槽412，安装凹槽412两侧的侧壁厚度不相同。其中，所述厚度不相同的两侧侧壁即指所述磁轭支持件41与线圈骨架3的调整凸起311接触连接的侧壁和与底座1的底板接触连接的侧壁；所述厚度不相同即指装配后，磁轭支持件41与线圈骨架3接触连接的侧壁厚度大于磁轭支持件41与底座1的底板接触连接的侧壁厚度；或者是磁轭支持件41与线圈骨架3接触连接的侧壁厚度小于磁轭支持件41与底座1的底板接触连接的侧壁厚度；这两种情况的选择操作员可根据实际情况而定来实现调整产品总程。磁轭支持件不对称偏心结构的设置，结构简单，可以通过更改磁轭支持件的装配方向如薄壁在上厚壁在下或厚壁在上薄壁在下，来调整磁轭相对于底座底板的上下位置，从而达到调节产品总程的目的，灵活性高，可在塑料件壳体尺寸出现异常时，具有一定的调节量，保障能够完成产品的整体装配，提高效率和可靠性。优选地，所述磁轭支持件41的所述厚度不相同的两侧侧壁的厚度之比为4∶3，合适的调节量，调节效果更明显。
如图6所示，本实用新型的磁轭支持件41上设有用于区分所述厚度不相同 的两侧侧壁的标识件411，标识件411可设置在磁轭支持件41所述厚度不相同两侧壁的厚侧壁上也可以设置在磁轭支持件41所述厚度不相同两侧壁的薄侧壁上，达到区分的作用即可，方便装配时保障位于磁轭两侧的磁轭支持件的厚壁和薄壁上下位置一致，也方便调整时快速区分和调整，提高效率和可靠性。进一步地，所述标识件411为凸起或凹槽，所述标识件411的形状为圆形，标识件411的位置和形状、大小以起到区分作用且不干涉磁轭支持件41与磁轭4或底座1的装配为准。
以上内容是结合具体的优选实施方式对本实用新型所作的进一步详细说明，不能认定本实用新型的具体实施只局限于这些说明。对于本实用新型所属技术领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本实用新型的保护范围。

Claims (10)

  1. 一种交流接触器，包括底座(1)和磁轭(4)，其特征在于：所述磁轭(4)安装在底座(1)的底板上，磁轭(4)的两侧设有用于支持和缓冲磁轭(4)的磁轭支持件(41)，其中所述磁轭支持件(41)在与磁轭(4)的连接处的两侧的侧壁厚度不相同。
  2. 根据权利要求1所述的交流接触器，其特征在于：所述磁轭支持件(41)上设有用于区分所述厚度不相同的两侧侧壁的标识件(411)。
  3. 根据权利要求2所述的交流接触器，其特征在于：所述标识件(411)为凸起或凹槽。
  4. 根据权利要求2所述的交流接触器，其特征在于：所述标识件(411)的形状为圆形。
  5. 根据权利要求1所述的交流接触器，其特征在于：所述磁轭支持件(41)的所述厚度不相同的两侧侧壁的厚度之比为4∶3。
  6. 根据权利要求1所述的交流接触器，其特征在于：所述磁轭支持件(41)与磁轭(4)的连接处为安装凹槽(412)，安装凹槽(412)两侧的侧壁厚度不相同。
  7. 根据权利要求6所述的交流接触器，其特征在于：所述磁轭(4)的底部上设有水平贯通的磁轭通孔(42)，磁轭安装片(43)穿过磁轭通孔(42)，磁轭安装片(43)露在磁轭(4)外的两端上包覆固定有用于支持和缓冲磁轭(4)的磁轭支持件(41)。
  8. 根据权利要求7所述的交流接触器，其特征在于：所述磁轭(4)通过其两侧的磁轭支持件(41)与底座(1)固定连接，底座(1)内的两侧壁之间相对设置有两个水平倒置的凹字形平台(13)，凹字形平台(13)的凹陷侧壁上设有用于固定磁轭支持件(41)的固定凹槽(131)；方形块状的磁轭支持件(41)的一端设有与磁轭安装片(43)配合的安装凹槽(412)，磁轭支持件(41)的另一端设有与固定凹槽(131)配合的固定凸起(413)，固定凸起(413)呈三棱柱状；凹字形平台(13)与底座(1)之间形成用于安装磁轭(4)和磁轭安装片(43)包覆有磁轭支持件(41)的部分的磁轭安装槽(14)；安装时，磁轭 (4)装入磁轭安装槽(14)内，且磁轭安装片(43)包覆有磁轭支持件(41)的部分卡入两个凹字形平台(13)的凹陷部分内同时固定凸起(413)卡入固定凹槽(131)内形成对磁轭(4)的固定。
  9. 根据权利要求1所述的交流接触器，其特征在于：所述底座(1)与磁轭(4)之间设有用于磁轭(4)缓冲的缓冲衬垫(7)。
  10. 根据权利要求1所述的交流接触器，其特征在于：所述底座(1)内设有安装在磁轭(4)上的线圈骨架(3)，所述线圈骨架(3)包括上连接板(33)和下连接板(31)以及设置在上连接板(33)和下连接板(31)之间的接线柱(32)，上连接板(33)、下连接板(31)和接线柱(32)之间形成用于安装放置线圈(5)的环形凹槽，接线柱(32)轴向设有骨架通孔(34)，线圈骨架(3)通过其上的骨架通孔(34)固定在磁轭(4)上；所述磁轭(4)为E型结构，E型的磁轭(4)开口朝上安装在底座(1)的底板上，线圈骨架(3)沿E型的磁轭(4)的中间部分滑行至线圈骨架(3)的调整凸起(311)与磁轭(4)的磁轭支持件(41)相抵接；所述底座(1)的侧壁上安装有与线圈(5)相连接的接线端子(6)，在底座(1)靠近接线端子(6)的一侧外壁上设有用于固定浪涌抑制器(2)的呈直线分布的两个浪涌安装孔(11)，在浪涌抑制器(2)接触底座(1)的外壁上对应设有与浪涌安装孔(11)配合的两个安装凸块(21)，所述安装凸块(21)的侧壁隆起形成与浪涌安装孔(11)过盈配合的卡钩(211)，浪涌抑制器(2)通过其上的安装凸块(21)插接在底座(1)的浪涌安装孔(11)内实现与底座(1)的固定连接，装配后，浪涌抑制器(2)与接线端子(6)相邻以方便两者之间接线连接。
PCT/CN2016/103049 2015-12-09 2016-10-24 交流接触器 WO2017097044A1 (zh)

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