WO2015074327A1 - 一种用于固定电气设备的卡接结构 - Google Patents

一种用于固定电气设备的卡接结构 Download PDF

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Publication number
WO2015074327A1
WO2015074327A1 PCT/CN2014/001044 CN2014001044W WO2015074327A1 WO 2015074327 A1 WO2015074327 A1 WO 2015074327A1 CN 2014001044 W CN2014001044 W CN 2014001044W WO 2015074327 A1 WO2015074327 A1 WO 2015074327A1
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Prior art keywords
plate
card
connecting plate
snap
electrical device
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PCT/CN2014/001044
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English (en)
French (fr)
Inventor
马水
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魏德米勒电联接（上海）有限公司
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Application filed by 魏德米勒电联接（上海）有限公司 filed Critical 魏德米勒电联接（上海）有限公司
Priority to CN201480025136.6A priority Critical patent/CN105409340B/zh
Publication of WO2015074327A1 publication Critical patent/WO2015074327A1/zh

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means

Definitions

  • the utility model relates to a card joint structure, in particular to a card joint structure for fixing electrical equipment, belonging to the field of electrical equipment.
  • the installation structure In order to facilitate the connection of industrial electrical components or products to the standard DIN (German Industrial Standard) guide rail, the installation structure often needs a structure that facilitates the disassembly and assembly of electrical components, such as a slidable spring mechanism to realize the circlip under external force. It can be slid back and forth to facilitate the installation and removal of electrical components.
  • the existing circlip structure is composed of three parts, a fixed part, a sliding part and a spring.
  • the double "L" structure limit is usually adopted at present, but this structure often requires a large amount of space, and the sliding portion and the fixed portion need to be formed by injection molding or die casting. Or machined by milling and milling, the cost or unit price of the mold used is high.
  • the sliding portion and the fixed portion are often sliding between the surface and the surface, and the contact surface is large, the friction is large, and the installation and disassembly are extremely inconvenient.
  • the object of the present invention is to provide a snap-fit structure for fixing electrical equipment, which can realize convenient disassembly and assembly of electrical components and guide rails, and has a simple structure, small size, and low manufacturing cost. .
  • a snap-fit structure for fixing electrical equipment which comprises fixing with an electrical device a connecting connecting plate, a locking plate disposed above the connecting plate and sliding relative to the connecting plate,
  • the card board is provided with at least one long hole, and the long hole is provided with at least one screw, and the screw is fixed on the connection board to connect the card board to the connection board;
  • a spring is disposed between the plate and the connecting plate, so that the clamping plate has an initial state and a sliding state with respect to the connecting plate; when the clamping plate is in a natural state of being assembled, it is an initial state; when the clamping plate is pressed by an external force and the spring is pressed The state of further compression is a sliding state.
  • the screw is a stepped screw, and includes a nut and a screw body, and a step portion is further disposed near the nut of the screw body, and the step portion has a diameter larger than a screw The diameter of the main body; the screw main body is fixed in a threaded hole opened in the connecting plate, and the length of the step portion is adapted to the thickness of the engaging plate.
  • the length of the elongated hole is adapted to the distance that the clamping plate slides relative to the connecting plate.
  • the connecting plate is provided with a convex portion
  • the inner side of the engaging plate is provided with a stepped surface
  • the protruding portion is disposed at a rear end of the stepped surface of the locking plate, when the clamping plate is received The force moves, and when the step surface contacts the convex portion, the snap plate is at the maximum extent of sliding.
  • the protrusion is provided with a U-shaped groove
  • the spring is placed in the U-shaped groove, one end of the spring abuts on the top end of the U-shaped groove, and the other end abuts on the clamping plate On the step surface.
  • the end of the snap-in plate is provided with a card connector that presses against the edge of the card.
  • the card connector is provided with a card slot, and the edge of the card is placed in the card slot when the card is engaged.
  • the length of the connecting plate is greater than the length of the clamping plate.
  • the long hole is disposed at an end of the clamping plate near the card. And/or disposed at one end of the card board away from the card.
  • the snap plate and the connecting plate are made of stainless steel.
  • the clamping structure of the fixed electrical device of the utility model has the advantages of simplified structure, convenient disassembly and assembly, reduced manufacturing cost, reduced overall volume, reduced sliding contact surface, easier sliding, convenient and labor-saving use, and good application prospect.
  • FIG. 1 is a schematic structural view of a prior art
  • Figure 2 is a cross-sectional view of the prior art A-A
  • Figure 3 is a cross-sectional view of the prior art B-B
  • Figure 4 is a schematic perspective view of the utility model
  • Figure 5 is a front view of the utility model
  • Figure 6 is a cross-sectional view of the A-A of the present invention.
  • Figure 7 is a schematic structural view of the utility model in a stuck state
  • Figure 8 is a schematic view showing the structure of the utility model in a sliding state.
  • the snap-fit structure includes a stationary substrate portion and a sliding plate sliding relative to the substrate, on the substrate and sliding Springs are provided between the plates.
  • the substrate and The sliding plate is a cast structure, and is connected by a "several" shaped substrate as shown in FIG. 3 and a U-shaped sliding plate, and a double “L” as shown in FIG. 2 is disposed on the substrate. "Structure to control the limit of sliding of the sliding plate back and forth. It is well known that the casting process is complicated, and once the mold is determined, it is cumbersome and costly to make changes to the product. In addition, the structural substrate is in contact with the sliding plate over a large area, and the sliding is not smooth enough.
  • a snap-fit structure for fixing an electrical device comprising a connecting plate 1 fixedly connected to the electrical device, and a mounting plate 1 opposite to the connecting plate 1 a locking plate 2 on which the connecting plate 1 slides, wherein the locking plate 2 is provided with at least one long hole.
  • the connecting plate 1 is provided with a threaded hole for use with each other, and the screw 3 passes through the long hole and is fixed to The snap plate 2 is connected to the connecting plate 1 in the threaded hole.
  • the screw is a stepped screw, and includes a nut and a screw body.
  • the screw body is further disposed with a step portion near the nut, and the step portion has a diameter larger than the screw body.
  • the diameter of the screw body is first passed through the long hole and then screwed into the threaded hole.
  • the size of the threaded hole is adapted to the screw body, so that the step portion is left in the long hole, so that the card can be realized.
  • the step screw is used, and the length of the step portion is adapted to the thickness of the locking plate 2, and the step screw is screwed directly during installation. After the position is reached, the step portion abuts against the connecting plate 1, and the operation is simple.
  • other conventional means can also be employed.
  • a spring 7 is disposed between the latching plate 2 and the connecting plate 1, so that the latching plate 2 has two states with respect to the connecting plate 1, one is an initial state, and the other is a sliding state; in an initial state, the latching plate 2 Close to the card, in this embodiment, the DIN rail 10 is in a state of being away from the card in the sliding state, that is, away from the DIN rail 10.
  • the card board 2 is in an initial state, and when the card is to be snapped or the card is to be taken out, the card board 2 is slid, between the card board 2 and the connection board 1.
  • the spring 7 is further compressed, and the snap-in plate 2 slides rearwardly to be in a sliding state.
  • the connecting plate 1 is provided with a convex portion 8
  • the inner side of the engaging plate 2 is provided with a stepped surface 9
  • the protruding portion 8 is disposed behind the stepped surface 9 of the engaging plate 2
  • the boss portion 8 is provided with a U-shaped groove 6 which is placed in the U-shaped groove 6.
  • One end of the spring 7 abuts on the top end of the U-shaped groove 6, and the other end abuts on the card.
  • the end of the clamping plate 2 is provided with a card connector 20 , and the card connector 20 is provided with a card slot, and when the card is engaged, the card (for example, the DIN rail 10 ) The edge of the ) is placed in the card slot.
  • the card board 2 is provided with two long holes, that is, the first long hole 4 and the second long hole 5 in the embodiment, the first long hole 4
  • the second long hole 5 is disposed at one end of the clamping plate 2 away from the card connector 20, and the spring 7 is located at the first long hole 4 and the second long hole.
  • Between 5 Screws 3 fixed to the connecting plate 1 are respectively disposed in the first long hole 4 and the second long hole 5.
  • other structures such as a structure in which two screws are provided in a long hole or the like may be employed.
  • the spring 7 is at the initial compression length, and the edge of the DIN rail 10 is caught in the card slot below the card connector 20 of the card board 2, at this time, the card
  • the relative position of the web 2 and the web 1 is equivalent to the position of the initial state.
  • the locking plate 2 is at the maximum sliding degree, that is, the DIN rail 10 can be embedded in the card engaging structure or the DIN rail. Remove the card connector structure.
  • the length of the waist hole or the long hole can also be used for displacement limitation.
  • the step surface 9 of the card board 2 presses the spring 7, and then the card board 2 moves backward relative to the connecting board 1 until the step surface 9 of the card board 2 touches The protruding portion 8 on the connecting plate 1 cannot be further moved toward the locking plate 2 After moving, it slides to the maximum position.
  • the DIN rail 10 can be embedded in the card joint structure.
  • the latching plate 2 and the connecting plate 1 are both cut from stainless steel, the structure is simplified, the assembly and disassembly are convenient, the manufacturing and assembly are simple, and the contact between the connecting plate 1 and the clamping plate 2 is achieved.
  • the surface is smaller, the card board 2 slides more smoothly, the use is more convenient and labor-saving, and the application prospect is good.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Clamps And Clips (AREA)
  • Connection Of Plates (AREA)

Abstract

本实用新型公开了一种用于固定电气设备的卡接结构，其包含与电气设备固定连接的连接板，连接板的上方设置的相对于连接板滑动的卡接板，所述卡接板上设置至少一个长孔，所述长孔内穿设有至少一个螺钉，所述螺钉固定在所述连接板上，使所述卡接板与连接板连接；所述卡接板与连接板之间设置有弹簧，使卡接板相对于连接板具有初始状态和滑动状态；当卡接板处于装配完成的自然状态时为初始状态；当卡接板处于外力压迫并使弹簧进一步压缩的状态时为滑动状态。本实用新型的固定电气设备的卡接结构，结构简化，便于拆装，使制造成本降低、整体体积减小，滑动接触面减小，更易滑动，使用时更便捷省力，应用前景好。

Description

一种用于固定电气设备的卡接结构 技术领域
本实用新型涉及一种卡接结构，具体涉及一种用于固定电气设备的卡接结构，属于电气设备领域。
背景技术
为了便于将工业电气元器件或产品卡接在标准DIN(德国工业标准)导轨上，安装结构往往需要方便电气元件拆装的结构，例如可以滑动的卡簧机构，以实现卡簧在外力作用下可前后滑动，从而便于电气元件的安装和拆卸。
一般现有的卡簧结构由三部分组成，固定部分、滑动部分和弹簧。而为了实现卡簧在滑动过程当中不会上下左右移位，目前通常采用双“L”结构限位，但此结构往往需要占用大量的空间，而且滑动部分及固定部分需要通过注塑成型或压铸成型或车铣磨机械加工而成，使用的模具成本或单价高昂。另外滑动部分与固定部分往往是面与面之间的滑动，其接触面大，摩擦力大，安装及拆卸时极为不便。
因此，需要提供一种可以实现电气元件与导轨的方便拆装，并且结构简单的用于固定电气设备的卡接结构。
发明内容
为了解决现有技术中存在的问题，本实用新型的目的在于提供一种用于固定电气设备的卡接结构，其可以实现电气元件与导轨的方便拆装，并且结构简单、小巧、制造成本低。
为了达到上述目的，本实用新型通过以下技术方案实现：
一种用于固定电气设备的卡接结构，其包含与电气设备固定 连接的连接板，连接板的上方设置的相对于连接板滑动的卡接板，
所述卡接板上设置至少一个长孔，所述长孔内穿设有至少一个螺钉，所述螺钉固定在所述连接板上，使所述卡接板与连接板连接；所述卡接板与连接板之间设置有弹簧，使卡接板相对于连接板具有初始状态和滑动状态；当卡接板处于装配完成的自然状态时为初始状态；当卡接板处于外力压迫并使弹簧进一步压缩的状态时为滑动状态。
作为本实用新型的优选方案之一，所述螺钉为台阶螺钉，其包含螺帽和螺杆主体，所述螺杆主体的靠近所述螺帽处还设置有一台阶部，所述台阶部的直径大于螺杆主体的直径；所述螺杆主体固定在连接板上开设的螺纹孔内，所述台阶部的长度与卡接板的厚度相适应。
进一步的，所述长孔的长度与卡接板相对于连接板滑动的距离相适应。
进一步的，所述连接板上设置有凸起部，所述卡接板的内侧设置有台阶面，所述凸起部设置于所述卡接板的台阶面的后端，当卡接板受力移动，台阶面与凸起部接触时，卡接板处于滑动的最大限度。
更进一步的，所述凸起部上设置有U型槽，所述弹簧放置在U型槽内，所述弹簧的一端抵接在U型槽的顶端，另一端抵接在所述卡接板的台阶面上。
作为优选方案之一，所述卡接板的端部设置有卡接头，所述卡接头抵压住卡接物的边缘。
更具体的，所述卡接头上设置有一卡槽，卡接时，卡接物的边缘置于该卡槽内。
优选的，所述连接板的长度大于卡接板的长度。
更优选的，所述长孔设置于所述卡接板靠近卡接物的一端， 和/或设置于所述卡接板远离卡接物的一端。
进一步的，所述卡接板与连接板由不锈钢制成。
与现有技术相比，本实用新型的有益效果在于：
本实用新型的固定电气设备的卡接结构，结构简化，便于拆装，使制造成本降低、整体体积减小，滑动接触面减小，更易滑动，使用更便捷省力，应用前景好。
附图说明
为了更清楚地说明本实用新型结构特征和技术要点，下面结合附图和具体实施方式对本实用新型进行详细说明。
图1为现有技术的结构示意图；
图2为现有技术的A-A剖面图；
图3为现有技术的B-B剖面图；
图4为本实用新型的立体结构示意图；
图5为本实用新型的主视图；
图6为本实用新型的A-A剖面图；
图7为本实用新型处于卡接状态的结构示意图；
图8为本实用新型处于滑动状态的结构示意图。
附图标记说明：1-连接板，2-卡接板，20-卡接头，3-螺钉，4-第一长孔，5-第二长孔，6-U型槽，7-弹簧，8-凸起部，9-台阶面，10-DIN导轨。
具体实施方式
下面将结合本实施例中的附图，对实施例中的技术方案进行具体、清楚、完整地描述。
如图1所示，为现有技术中常用的一个电器设备固定产品，其也包含卡接结构，所述的卡接结构包含不动的基板部分和相对基板滑动的滑动板，在基板与滑动板之间设有弹簧。但是基板与 滑动板为铸造结构，并通过如图3所示的“几”字型造型的基板与U字型造型的滑动板互相嵌套而连接，并在基板上设置如图2所示的双“L”结构来控制滑动板前后滑动的限度。众所周知，铸造工艺复杂，并且一旦确定模具，要对产品进行更改就会比较麻烦且成本高昂。另外，该结构基板与滑动板大面积接触，也会使滑动不够顺畅。
参见图4-5所示，为本实施例的结构示意图，一种用于固定电气设备的卡接结构，其包含与电气设备固定连接的连接板1，与设置在连接板1上方的相对于连接板1滑动的卡接板2，所述卡接板2上设置至少一个长孔，相应地，连接板1上设置有相互配合使用的螺纹孔，螺钉3穿过所述长孔并固定于所述螺纹孔内，使所述卡接板2与连接板1连接。具体的，参见图6所示，所述螺钉为台阶螺钉，其包含螺帽和螺杆主体，所述螺杆主体的靠近所述螺帽处还设置有一台阶部，所述台阶部的直径大于螺杆主体的直径，连接时，螺杆主体先穿过所述长孔，然后旋入所述螺纹孔，螺纹孔的尺寸与螺杆主体相适应，因此台阶部会留设在长孔内，如此，就能实现卡接板2与连接板1的连接。采用台阶螺钉，所述台阶部的长度与卡接板2的厚度相适应，安装时直接拧入台阶螺钉，到位之后所述台阶部与连接板1相抵靠，操作简便。当然，本领域的技术人员可知，还可以采用其它常规手段。
所述卡接板2和连接板1之间设置有弹簧7，使卡接板2相对于连接板1有两个状态，一个是初始状态，另一个是滑动状态；初始状态时，卡接板2靠近卡接物，在本实施例中为DIN导轨10，在滑动状态时为远离卡接物的状态，即远离DIN导轨10的状态。当卡接完毕或者未卡接时，卡接板2处于初始状态，当将要卡接或者要将卡接物拿出时，卡接板2被滑动，处于卡接板2与连接板1之间的弹簧7被进一步压缩，卡接板2向后滑动，处于滑动状态。
具体的，所述连接板1上设置有凸起部8，所述卡接板2的内侧设置有台阶面9，所述凸起部8设置于所述卡接板2的台阶面9的后端，当卡接板2受力移动，台阶面9与凸起部8接触时，卡接板2处于滑动的最大限度。所述凸起部8上设置有U型槽6，所述弹簧7放置在U型槽6内，所述弹簧7的一端抵接在U型槽6的顶端，另一端抵接在所述卡接板2的台阶面9上。
另外，如图5和图6所示，所述卡接板2的端部设置有卡接头20，所述卡接头20上设置有一卡槽，卡接时，卡接物(例如，DIN导轨10)的边缘置于该卡槽内。同时，为了本卡接结构在应用时更加稳固，卡接板2上设置有两个长孔，即本实施例中的第一长孔4和第二长孔5，所述第一长孔4设置于所述卡接板2靠近卡接头20的一端，第二长孔5设置于所述卡接板2远离卡接头20的一端，所述弹簧7位于第一长孔4与第二长孔5之间。所述第一长孔4与第二长孔5内分别穿设有固定在所述连接板1上的螺钉3。亦或者，还可以采用其它结构，例如一个长孔内穿设两个螺钉的结构等。
如图7所示，为DIN导轨10嵌入本卡接结构后，弹簧7处于初始压缩长度，DIN导轨10的边缘被卡在卡接板2的卡接头20下方的卡槽内，此时的卡接板2与连接板1的相对位置等同于初始状态的位置。
如图8所示，当所述卡接板2的台阶面9与凸起部8接触时，卡接板2处于滑动的最大限度，即可以进行DIN导轨10嵌入本卡接结构或者将DIN导轨取出本卡接结构。除了采用台阶面与凸起部的位移限制方式，还可以采用腰型孔或者长孔的长度来进行位移限制。
当使用时，手指拨动卡接板2，卡接板2的台阶面9压迫弹簧7，然后卡接板2相对于连接板1向后移动，直到卡接板2的台阶面9触碰到连接板1上的凸出部8，卡接板2无法进一步向 后移动，即滑动到了最大位置。此时可以实施DIN导轨10嵌入本卡接结构，当完成与DIN导轨10的固定后，释放卡接板2，卡接板2在弹簧7的压力下向前移动，直到台阶螺钉3触碰到长孔的边际，卡接板2停止向前移动，完成操作。
在本实施例的卡接结构中，卡接板2与连接板1都是不锈钢切割而成，结构简化，便于拆装，制造与组装都简单，连接板1与卡接板2之间的接触面较小，卡接板2滑动更顺畅，使用更便捷省力，应用前景好。
上述具体实施方式，仅为说明本实用新型的技术构思和结构特征，目的在于让熟悉此项技术的相关人士能够据以实施，但以上所述内容并不限制本实用新型的保护范围，凡是依据本实用新型的精神实质所作的任何等效变化或修饰，均应落入本实用新型的保护范围之内。

Claims (10)

  1. 一种用于固定电气设备的卡接结构，其包含与电气设备固定连接的连接板，连接板的上方设置的相对于连接板滑动的卡接板，
    其特征在于，
    所述卡接板上设置至少一个长孔，所述长孔内穿设有至少一个螺钉，所述螺钉固定在所述连接板上，使所述卡接板与连接板连接；所述卡接板与连接板之间设置有弹簧，使卡接板相对于连接板具有初始状态和滑动状态；当卡接板处于装配完成的自然状态时为初始状态；当卡接板处于外力压迫并使弹簧进一步压缩的状态时为滑动状态。
  2. 根据权利要求1所述的一种用于固定电气设备的卡接结构，其特征在于，所述螺钉为台阶螺钉，其包含螺帽和螺杆主体，所述螺杆主体的靠近所述螺帽处还设置有一台阶部，所述台阶部的直径大于螺杆主体的直径；所述螺杆主体固定在连接板上开设的螺纹孔内，所述台阶部的长度与卡接板的厚度相适应。
  3. 根据权利要求1或2所述的一种用于固定电气设备的卡接结构，其特征在于，所述长孔的长度与卡接板相对于连接板滑动的距离相适应。
  4. 根据权利要求3所述的一种用于固定电气设备的卡接结构，其特征在于，所述连接板上设置有凸起部，所述卡接板的内侧设置有台阶面，所述凸起部设置于所述卡接板的台阶面的后端，当卡接板受力移动，台阶面与凸起部接触时，卡接板处于滑动的最大限度。
  5. 根据权利要求4所述的一种用于固定电气设备的卡接结构，其特征在于，所述凸起部上设置有U型槽，所述弹簧放置在U型槽内，所述弹簧的一端抵接在U型槽的顶端，另一端抵接在所述卡接板的台阶面上。
  6. 根据权利要求1或2所述的一种用于固定电气设备的卡接结构，其特征在于，所述卡接板的端部设置有卡接头，所述卡接头抵压住卡接物的边缘。
  7. 根据权利要求6所述的一种用于固定电气设备的卡接结构，其特征在于，所述卡接头上设置有一卡槽，卡接时，卡接物的边缘置于该卡槽内。
  8. 根据权利要求1或4所述的一种用于固定电气设备的卡接结构，其特征在于，所述连接板的长度大于卡接板的长度。
  9. 根据权利要求1或2所述的一种用于固定电气设备的卡接结构，其特征在于，所述长孔设置于所述卡接板靠近卡接物的一端，和/或设置于所述卡接板远离卡接物的一端。
  10. 根据权利要求1所述的一种用于固定电气设备的卡接结构，其特征在于，所述卡接板与连接板由不锈钢制成。
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