WO2015014213A1 - 维护窗密封界面锁紧装置 - Google Patents

维护窗密封界面锁紧装置 Download PDF

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Publication number
WO2015014213A1
WO2015014213A1 PCT/CN2014/082283 CN2014082283W WO2015014213A1 WO 2015014213 A1 WO2015014213 A1 WO 2015014213A1 CN 2014082283 W CN2014082283 W CN 2014082283W WO 2015014213 A1 WO2015014213 A1 WO 2015014213A1
Authority
WO
WIPO (PCT)
Prior art keywords
maintenance window
pin
locking device
cover plate
wrench
Prior art date
Application number
PCT/CN2014/082283
Other languages
English (en)
French (fr)
Inventor
陈善军
李旭
彭典明
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US14/908,443 priority Critical patent/US20160167842A1/en
Priority to JP2016530325A priority patent/JP2016531430A/ja
Priority to EP14832485.8A priority patent/EP3030064A4/en
Publication of WO2015014213A1 publication Critical patent/WO2015014213A1/zh

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/04—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
    • E05C3/041—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted
    • E05C3/043—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted the pivot being between bolt and handle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/22—Devices for holding in closed position, e.g. clips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/04—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
    • E05C3/041—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted
    • E05C3/045—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted in the form of a hook

Definitions

  • the present invention relates to the field of equipment installation technology, and in particular, to a maintenance window sealing interface locking device that can be assembled on a complete machine.
  • BACKGROUND OF THE INVENTION At present, in the field of communication technology, miniaturization of equipment, rapid installation and simple operation of equipment functional units, and high reliability of equipment have gradually become an important means for various equipment manufacturers to enhance competitiveness.
  • the maintenance window plays an important role in realizing the above requirements of the equipment, especially the locking device for maintaining the window sealing interface.
  • the traditional maintenance window sealing and sealing interface locking device uses hinges and screw locks.
  • the utility model provides a maintenance window sealing interface locking device, which adopts a hinge and a snapping manner to realize the locking of the maintenance window sealing interface, and the operation is simple, fast and reliable. High in nature and small in space, it can be widely used in communication equipment and other equipment technology fields.
  • the maintenance window sealing interface locking device of the present invention comprises: at least one hinge mechanism for hinged together the cover of the maintenance window and the housing; and the movable mounting on the cover plate and At least one wrench assembly that locks the cover and the housing in a rotationally snap-fit manner.
  • the maintenance window sealing interface locking device of the present invention further comprises: a sealing member fixed to the cover plate and the housing to achieve sealing of the interface between the housing and the cover plate.
  • the wrench assembly includes: a first pin that is exposed at least one end of the front wall of the cover plate; and a second pin that is exposed at least one end of the front wall of the case; and a wrench movably coupled to the cover plate by a first pin and rotatable about the first pin, the wrench being fixed to the cover plate by a first pin, which is rotatable about the first pin and engaged with the second pin, In turn, the cover and the housing are locked.
  • the wrench comprises: a wrench body having a snap portion and a limit locking portion, and a pin hole that is butted against the first pin is disposed thereon.
  • the latching portion comprises: a latching slot for latching the second pin; and a latching protrusion disposed at a side of the latching slot for preventing the second pin from coming out.
  • the limit locking portion is provided with a threaded through hole, wherein the wrench is fixed to the cover plate by a screw for locking the cover plate and the housing through the threaded through hole .
  • the hinge mechanism includes: a hinge member having a hinge portion; and a pin shaft rotatably coupled to the hinge member; wherein the hinge portion is provided with a limiting groove, and the pin shaft is provided with the limit
  • the slot is matched with the limiting platform, and the cover plate passes through the locking position of the limiting platform and the limiting slot to achieve a limit with respect to the housing after the opening thereof.
  • the hinge member and the pin shaft are respectively provided with fastening holes through which the hinge mechanism can be connected with the cover plate and the housing to realize the locking of the side of the locking device.
  • the number of the wrench assemblies is two.
  • the number of the hinge mechanisms is two. Compared with related technologies, the utility model has the following advantages:
  • the maintenance window sealing interface locking device of the utility model realizes the locking of the sealing interface of the maintenance window through the combination of the hinge mechanism and the wrench assembly, and the operation and maintenance are simple and fast, and the locking reliability is high; 2) the utility model is set by The pin hole on the wrench body realizes the movable link of the wrench and the cover plate, and the wrench can rotate around the first pin, and the engaging groove and the latching protrusion disposed on the latching portion of the wrench body can be engaged with the same The two pins are clamped to realize the locking of the cover plate and the casing; the limit locking portion disposed on the wrench body prevents the wrench assembly from over-pressing after locking, thereby improving the reliability of the locking device;
  • the hinge mechanism of the utility model has a hinge member and a pin shaft with a clearance fit, and the rear pin shaft is freely rotatable relative to the hinge member to realize opening and closing of the cover plate relative to the housing; through the limit table and the limiting slot
  • the combination of the card positions ensures that the cover can have a certain angular limit with respect to the housing after opening, and the angle can be adjusted according to the size of the limit table and the limit groove; in addition, the number of hinge mechanisms can be ensured Reliable locking of the sealing interface;
  • the utility model can seal the interface between the casing and the cover plate by fixing the sealing member on the casing and the cover plate;
  • the maintenance window sealing interface locking device of the utility model adopts a single-side operation locking mode, has a simple structure, is safe and reliable, and is convenient for engineering maintenance operations; the number of wrenches can be configured to ensure the lock of the maintenance window sealing interface of various sizes. Tightening; the screw-free design solves the problem of time-consuming and labor-intensive maintenance window locking, and low reliability.
  • the miniaturization of the maintenance window is realized, so that the locking device takes up less space and improves versatility, and can be used on equipments in various fields involving sealing interface structures.
  • FIG. 1 is a schematic structural view of a maintenance window sealing interface locking device according to an embodiment of the present invention
  • FIG. 2 is a front view showing the locking state of the maintenance window sealing interface locking device shown in FIG. 1
  • Figure 4 is a front elevational view showing the opening of the maintenance window sealing interface locking device of Figure 1
  • Figure 5 is a rear view of the maintenance window sealing interface locking device of Figure 1
  • Figure 6 is a schematic view showing the structure of the wrench in the embodiment of the present invention
  • Figure 6a is a front view of the engaging portion of the wrench shown in Figure 6
  • Figure 7 is a schematic structural view of the hinge mechanism in the embodiment of the present invention
  • Figure 7b is a structural schematic view of the hinge member shown in Figure 7
  • Figure 8 is a schematic view of the maintenance window sealing interface locking device of the embodiment of the present invention installed on the whole machine.
  • the maintenance window sealing interface locking device comprises: at least one hinge mechanism 4 for articulating the cover 1 of the maintenance window and the housing 2 Together; at least one wrench assembly movably mounted on the cover 1 that locks the cover 1 and the housing 2 in a rotationally snap-fit manner.
  • the maintenance window sealing interface locking device of the embodiment of the present invention further includes a sealing member 5 which is fixedly connected to the cover plate 1 and the housing 2, that is, respectively fixed to the housing 2 and the cover plate 1, and the housing 2 and the cover 1 together form a sealed interface.
  • the wrench assembly of the locking device of the embodiment of the present invention includes: at least one exposed first pin 61 is fixedly mounted on the front wall of the cover plate 1, and at least one exposed second pin is fixedly mounted on the front wall of the casing 2 62; a wrench 3 movably connected to the cover plate 1 by a first pin 61, which is rotatable about the first pin 61.
  • the wrench 3 includes: a wrench body having a latching portion 31 and a limit locking portion 32.
  • the wrench body is provided with a pin hole 33 that abuts the first pin 61, and the pin hole 33 is The first pin 61 cooperates to enable the wrench 3 to perform a rotational movement.
  • the latching portion 31 includes: a latching slot 311 for latching the second pin 62 therein, and a latching protrusion 312 is disposed at the edge of the latching slot 311 for preventing the second pin 62 from being locked during locking
  • the engaging groove 311 is disengaged, when the locking portion 31 and the second pin 62 are locked, the engagement of the engaging protrusion 312 is required, and the highest point and the locking position of the engaging protrusion 312 generally need to reserve a height difference c for The lock is prevented from coming off, and the clip is raised on the protrusion 312.
  • the hinge mechanism 4 includes: a hinge member 41 having a hinge portion 411.
  • the pin member 42 is rotatably coupled to the hinge member 41.
  • the cooperation between the hinge member 41 and the pin shaft 42 is a clearance fit. It can rotate freely relative to each other.
  • the hinge portion 411 is provided with a limiting slot 412.
  • the pin shaft 42 is provided with a limiting platform 421 that cooperates with the limiting slot 412.
  • the cover plate 1 is locked by the limiting platform 421 and the limiting slot 412.
  • the different sizes of the limiting table 421 and the limiting slot 412 can be used to adjust the angle of the locking device when opening, so as to ensure that the cover can be fixed at a certain angle with respect to the housing. The reliability and beauty of the limit method are realized.
  • a fastening hole 43 is further provided on the hinge member 41 and the pin shaft 42, and the hinge mechanism 4 is connected and fixed to the housing 2 and the cover plate 1 through the fastening hole 43 to complete the locking of the side.
  • the number of hinge mechanisms 4 can be configured to ensure reliable locking of the sealing interface
  • the pin 42 can be a multi-section part structure or a part structure according to the maintenance window size.
  • the number of the wrench assembly and the hinge mechanism 4 are preferably two, respectively.
  • the number of the wrench assembly and the hinge mechanism 4 can be adjusted to ensure the locking of the sealing window of various sizes of the maintenance window, which has strong expandability. .
  • the opening and closing locking of the maintenance window sealing interface locking device of the embodiment of the present invention is as shown in FIG. 2 to FIG. 4 .
  • the wrench 3 In the locked state, the wrench 3 is engaged with the second pin 62, and the screw 7 and the cover 1 are in a tightly connected state (Fig. 2).
  • the locking device When the locking device is opened, the connection between the screw 7 and the cover 1 is first unscrewed, and the wrench 3 is pulled. After a certain angle X is rotated, the wrench 3 and the second pin 62 are pulled out under the force of the sealing member 5, and the completion is completed.
  • the opening action (Fig. 3, Fig. 4) on the other hand, the closing operation of the locking device can be completed.
  • FIG. 8 is a schematic view of the maintenance window sealing interface locking device of the embodiment of the present invention installed on the whole machine, and A is a maintenance window. It is not difficult to see from the technical solution of the embodiment that the maintenance window sealing interface locking device of the embodiment of the present invention is non-obvious from the related art in terms of shape and structural characteristics, has substantial characteristics, and can bring the following beneficial effects.
  • the locking of the maintenance window sealing interface is realized, the operation and maintenance are simple and fast, and the locking reliability is high;
  • the wrench 3 and the cover plate 1 are realized by the pin hole 33 provided on the wrench body
  • the movable link is connected, and the wrench 3 is rotatably moved around the first pin 61.
  • the engaging groove 311 and the engaging protrusion 312 disposed on the wrench body engaging portion 31 can clamp the second pin 62 engaged with the engaging pin.
  • the locking of the cover plate 1 and the housing 2 is realized;
  • the limit locking portion 32 disposed on the wrench body does not cause the wrench 3 to overpressure after locking, thereby improving the reliability of the locking device;
  • the hinge mechanism The hinge member 41 of the 4 and the pin 42 are gap-fitted, and the mating pin 42 is freely rotatable relative to the hinge member 41 to open and close the cover plate 1 relative to the housing 2;
  • the combination of the position of the limiting table 421 and the limiting slot 412 ensures that the cover 1 can have a certain angular limit with respect to the housing 2 after opening, and the angle can be realized according to the size of the limiting base 421 and the limiting slot 412.
  • the maintenance window sealing interface locking device of the utility model adopts a single-side operation locking mode, has a simple structure, is safe and reliable, and is convenient for engineering maintenance operations; the maintenance window of various sizes can be ensured by configuring the number of the wrenches 3
  • the sealing interface is locked; the screwless design solves the problems of time-consuming and labor-saving and low reliability of the maintenance window locking operation, and at the same time realizes the miniaturization of the maintenance window, so that the locking device takes up less space and improves versatility, and is available.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

公开了一种维护窗密封界面锁紧装置，包括：用于将维护窗的盖板和壳体铰接在一起的至少一个铰链机构；以及活动安装在盖板上并以旋转卡接方式将所述盖板和所述壳体锁紧的至少一个扳手组件。此外，还可以包括与所述盖板和所述壳体固接的密封件。维护窗密封界面锁紧装置采用铰链和卡接方式实现维护窗密封界面的锁紧，操作简单、快速，可靠性高且占用空间小，可广泛应用于通信设备及其他设备技术领域。

Description

维护窗密封界面锁紧装置 技术领域 本实用新型涉及设备安装技术领域， 尤其涉及一种可装配于设备整机上的维护窗 密封界面锁紧装置。 背景技术 目前在通信技术领域， 设备的小型化、 设备功能单元的快速安装和简易操作以及 设备的高可靠性逐渐成为各设备厂商提升竞争力的一种重要手段。 维护窗作为设备的 一个重要结构功能单元， 其对于实现设备的上述需求具有重要作用， 尤其是维护窗密 封界面的锁紧装置， 传统的维护窗密封密封界面锁紧装置有的采用铰链、 螺钉锁紧的 方式实现， 有的通过卡紧装置直接实现密封界面锁紧， 但这些方式存在诸多缺陷， 如 操作费时费力， 操作结果可控性低进而导致可靠性低， 同时操作占用太大空间等。 实用新型内容 为克服上述相关技术中存在的不足， 本实用新型提供了一种维护窗密封界面锁紧 装置， 其采用铰链和卡接方式实现维护窗密封界面的锁紧， 操作简单、 快速， 可靠性 高且占用空间小， 可广泛应用于通信设备及其他设备技术领域。 为实现本实用新型的上述目的， 本实用新型维护窗密封界面锁紧装置包括： 用于 将维护窗的盖板和壳体铰接在一起的至少一个铰链机构； 以及活动安装在盖板上并以 旋转卡接方式将所述盖板和所述壳体锁紧的至少一个扳手组件。 优选地， 本实用新型维护窗密封界面锁紧装置还包括： 与所述盖板和所述壳体固 接的密封件， 以实现壳体和盖板之间界面的密封。 优选地， 所述扳手组件包括： 固装在所述盖板前壁上的至少一个一端外露的第一 销钉； 固装在所述壳休前壁上的至少一个一端外露的第二销钉； 以及通过第一销钉与 所述盖板活动连接并可围绕所述第一销钉旋转运动的扳手， 扳手通过第一销钉固定在 盖板上， 其可围绕第一销钉转动并与第二销钉卡接， 进而实现盖板和壳体的锁紧。 优选地， 所述扳手包括： 具有卡接部和限位锁定部的扳手本体， 其上设有与所述 第一销钉对接的销钉孔。 优选地， 所述卡接部包括： 用于卡装所述第二销钉的卡接槽； 以及设置在卡接槽 边端用于防止所述第二销钉脱出的卡接凸起。 优选地， 所述限位锁定部上设有螺纹通孔， 其中所述扳手通过其将所述盖板和所 述壳体锁紧后穿过所述螺纹通孔的螺钉与所述盖板固定。 优选地， 所述铰链机构包括： 铰链件， 其具有铰接部； 以及与铰链件转动连接的 销轴； 其中所述铰接部上设有限位槽，所述销轴上设有与所述限位槽相配合的限位台， 所述盖板通过限位台与限位槽的卡位实现其开启后相对于所述壳体的限位。 优选地， 所述铰链件和所述销轴上还分别设有紧固孔， 可以通过该紧固孔将铰链 机构与盖板和壳体连接， 实现锁紧装置该侧的锁紧。 优选地， 所述扳手组件的数量为两个。 优选地， 所述铰链机构的数量为两个。 与相关技术相比， 本实用新型具有如下优点：
1 )本实用新型维护窗密封界面锁紧装置通过铰链机构和扳手组件的结合， 实现维 护窗密封界面的锁紧， 操作与维护简单、 快速， 锁紧可靠性高； 2)本实用新型通过设置在扳手本体上的销钉孔实现扳手与盖板活动链接， 并且扳 手可围绕第一销钉旋转运动， 设置在扳手本体卡接部上的卡接槽和卡接凸起能够将与 其配合卡接的第二销钉卡紧， 从而实现盖板和壳体的锁紧； 设置在扳手本体上的限位 锁定部使得扳手组件在锁紧后不会产生扳手过压， 提高锁紧装置的可靠性；
3 )本实用新型的铰链机构其铰链件和销轴为间隙配合，配合后销轴可相对于铰链 件自由旋转， 实现盖板相对于壳体的开启和关闭； 通过限位台和限位槽的卡位组合， 保证盖板开启后能相对于壳体具有一定角度的限位， 根据限位台和限位槽的尺寸不同 可实现角度大小的调节； 此外， 通过配置铰链机构的数量可以保证密封界面的可靠锁 紧；
4)本实用新型通过在壳体和盖板上固定密封件，可以实现壳体和盖板之间界面的 密封；
5 )本实用新型维护窗密封界面锁紧装置采用单侧操作锁紧的方式， 结构简单， 安 全可靠， 方便工程维护操作； 可通过配置扳手的数量来保证各种尺寸的维护窗密封界 面的锁紧； 通过免螺钉的设计解决了维护窗锁紧操作费时费力、 可靠性低等问题， 同 时实现了维护窗的小型化， 使得锁紧装置占用空间小， 提高通用性， 可用于涉及密封 界面结构的各领域的设备上。 下面结合附图对本实用新型作进一步详细的说明。 附图说明 图 1是本实用新型实施例的维护窗密封界面锁紧装置的结构示意图； 图 2是图 1所示维护窗密封界面锁紧装置锁紧状态的主视图； 图 3是图 1所示维护窗密封界面锁紧装置开启中的主视图； 图 4是图 1所示维护窗密封界面锁紧装置打开状态的主视图； 图 5是图 1所示维护窗密封界面锁紧装置的后视图； 图 6是本实用新型实施例中扳手的结构示意图； 图 6a是图 6所示扳手的卡接部的主视图； 图 7是本实用新型实施例中铰链机构的结构示意图； 图 7a是图 7所示销轴的结构示意图； 图 7b是图 7所示铰链件的结构示意图； 图 8 是本实用新型实施例的维护窗密封界面锁紧装置安装在设备整机上的示意 图。 附图标记说明： 1-盖板； 2-壳体； 3-扳手； 31-卡接部； 311-卡接槽； 312-卡接凸起； 32-限位锁定部; 33-销钉孔; 34-螺纹通孔; 4-铰链机构; 41-铰链件; 411-铰接部; 412- 限位槽； 42-销轴； 421-限位台； 43-紧固孔； 5-密封件； 61-第一销钉； 62-第二销钉； 7-螺钉； A-维护窗。 具体实施方式 如图 1〜图 5所示， 本实用新型的一个实施例中， 维护窗密封界面锁紧装置包括: 至少一个铰链机构 4，用于将维护窗的盖板 1和壳体 2铰接在一起； 活动安装在盖板 1 上的至少一个扳手组件， 其以旋转卡接方式将盖板 1和壳体 2锁紧。 具体地， 本实用新型实施例的维护窗密封界面锁紧装置还包括密封件 5， 其与盖 板 1和壳体 2固接， 即分别固定在壳体 2和盖板 1上， 和壳体 2及盖板 1共同形成密 封界面。 本实用新型实施例的锁紧装置的扳手组件包括： 在盖板 1前壁上固定安装至少一 个一端外露的第一销钉 61，在壳体 2前壁上固定安装至少一个一端外露的第二销钉 62; 通过第一销钉 61与盖板 1活动连接的扳手 3，其可围绕第一销钉 61旋转运动。如图 6、 图 6a所示， 扳手 3包括： 扳手本体， 其具有卡接部 31和限位锁定部 32， 在扳手本体 上设有与第一销钉 61对接的销钉孔 33， 销钉孔 33与第一销钉 61配合使扳手 3可以 进行旋转运动， 为了方便锁紧的可靠性， 此配合通常优选设计成有阻尼效果的配合。 卡接部 31包括： 卡接槽 311， 用于将第二销钉 62卡装其内， 在卡接槽 311边端设置 有卡接凸起 312， 用于锁紧时防止第二销钉 62从卡接槽 311 内脱出， 卡接部 31与第 二销钉 62锁紧时，需要卡接凸起 312的配合， 卡接凸起 312的最高点与锁紧位置一般 需要预留一个高度差 c用于锁紧防脱出， 卡接凸起 312上， 在扳手 3锁紧后第二销钉 62中心线的理论位置的前后需要预留一段尺寸为 a和 b距离，用于装配后的容差消除， 保证扳手 3锁紧到位（图 6a) ; 限位锁定部 32上设有螺纹通孔 34， 其中扳手 3将盖板 1和壳体 2锁紧后， 在螺纹通孔 34内安装螺钉 7， 从而将扳手 3和盖板 1固定， 保证 了锁紧装置在关闭操作时不会产生扳手 3的过压， 安装螺钉 7， 进一步提高了锁紧装 置的可靠性。 如图 7〜图 7b所示， 铰链机构 4包括： 铰链件 41， 其具有铰接部 411， 与铰链件 41转动连接有销轴 42，铰链件 41与销轴 42的配合为间隙配合，配合后可以自由相对 旋转。铰接部 411上设有限位槽 412，销轴 42上设有与限位槽 412相配合的限位台 421， 盖板 1通过限位台 421与限位槽 412的卡位实现其开启后相对于壳体 2的限位， 即通 过限位台 421和限位槽 412的不同尺寸的配合可以实现锁紧装置打开时角度的调节， 保证盖板相对于壳体能够有一定角度的限位， 实现了限位方式的可靠及美观。 在铰链 件 41和销轴 42上还分别设有紧固孔 43， 通过紧固孔 43将铰链机构 4与壳体 2和盖 板 1连接固定， 共同完成该侧的锁紧。 为了适应不同尺寸的维护窗密封界面， 可以通 过配置铰链机构 4的数量来保证密封界面的可靠锁紧，同时销轴 42依据维护窗尺寸可 以为多段零件结构或合为一个零件结构。 本实施例中将扳手组件和铰链机构 4的数量优选分别为两个， 当然可以通过配置 扳手组件和铰链机构 4的数量保证各种尺寸的维护窗密封界面的锁紧， 具有很强的扩 展性。 本实用新型实施例的维护窗密封界面锁紧装置的开启与关闭锁紧如图 2〜图 4所 示。锁紧状态下， 扳手 3与第二销钉 62配合完成， 同时螺钉 7与盖板 1处于打紧连接 状态 （图 2)。 开启锁紧装置时， 先拧开螺钉 7与盖板 1的连接， 扳动扳手 3， 待转动 一定角度 X后，在密封件 5的作用力下，扳手 3与第二销钉 62卡出，完成开启动作（图 3、 图 4)， 反之， 可以完成锁紧装置的关闭操作。 无论是开启操作后还是关闭操作， 盖板 1、 扳手 3及其他连接组件围绕铰链机构 4 自由旋转调整打开角度， 以满足操作 要求。 图 8是将本实用新型实施例的维护窗密封界面锁紧装置安装在设备整机上的示意 图， A为维护窗。 从本实施方式的技术方案不难看出， 本实用新型实施例的维护窗密封界面锁紧装 置从形状和构造特征方面相对于相关技术是非显而易见的， 具有实质性特点， 同时能 带来以下有益效果： 通过铰链机构 4和扳手组件的结合， 实现维护窗密封界面的锁紧， 操作与维护简单、快速， 锁紧可靠性高； 通过设置在扳手本体上的销钉孔 33实现扳手 3与盖板 1的活动链接， 并且扳手 3可围绕第一销钉 61旋转运动， 设置在扳手本体卡 接部 31上的卡接槽 311和卡接凸起 312能够将与其配合卡接的第二销钉 62卡紧， 从 而实现盖板 1和壳体 2的锁紧；设置在扳手本体上的限位锁定部 32使得扳手组件在锁 紧后不会产生扳手 3过压，提高了锁紧装置的可靠性；铰链机构 4的铰链件 41和销轴 42为间隙配合， 配合后销轴 42可相对于铰链件 41 自由旋转， 实现盖板 1相对于壳体 2的开启和关闭； 通过限位台 421和限位槽 412的卡位组合， 保证盖板 1开启后能相 对于壳体 2具有一定角度的限位， 根据限位台 421和限位槽 412的尺寸不同可实现角 度大小的调节， 此外， 通过配置铰链机构 4的数量可以保证密封界面的可靠锁紧； 通 过在壳体 2和盖板 1上固定密封件 5， 可以实现壳体 2和盖板 1之间界面的密封； 此 夕卜， 本实用新型维护窗密封界面锁紧装置采用单侧操作锁紧的方式， 结构简单， 安全 可靠， 方便工程维护操作； 可通过配置扳手 3的数量来保证各种尺寸的维护窗密封界 面的锁紧； 通过免螺钉的设计解决了维护窗锁紧操作费时费力、 可靠性低等问题， 同 时实现了维护窗的小型化， 使得锁紧装置占用空间小， 提高了通用性， 可用于涉及密 封界面结构的各领域的设备上。 需要说明的是， 本实用新型中的 "第一"、 "第二"等术语仅用于描述目的， 使得 本实用新型的技术方案更加清楚， 不能理解为对本实用新型技术方案的限定。 此外， 尽管上文对本实用新型作了详细说明， 但不限于此， 本技术领域的技术人员可以通过 其它不脱离其精神实质或必要特征的实施方案来实现。 因此， 凡按照本实用新型记载 的内容或原理进行的各种修改都应当理解为落入本实用新型的保护范围。

Claims

权 利 要 求 书 、 一种维护窗密封界面锁紧装置， 包括：
用于将维护窗的盖板（ 1 )和壳体（2)铰接在一起的至少一个铰链机构（4); 以及
活动安装在盖板（1)上并以旋转卡接方式将所述盖板（1)和所述壳体（2) 锁紧的至少一个扳手组件。 、 根据权利要求 1所述的维护窗密封界面锁紧装置， 还包括：
与所述盖板 （1) 和所述壳体 （2) 固接的密封件 （5)。 、 根据权利要求 1或 2所述的维护窗密封界面锁紧装置， 其中， 所述扳手组件包 括：
固装在所述盖板 （1) 前壁上的至少一个一端外露的第一销钉 （61);
固装在所述壳体 （2) 前壁上的至少一个一端外露的第二销钉 （62); 以及 通过第一销钉（61)与所述盖板（1)活动连接并可围绕所述第一销钉（61) 旋转运动的扳手 （3)。 、 根据权利要求 3所述的维护窗密封界面锁紧装置， 其中， 所述扳手 （3) 包括: 具有卡接部 （31) 和限位锁定部 （32) 的扳手本体， 其上设有与所述第一 销钉 （61) 对接的销钉孔 （33)。 、 根据权利要求 4所述的维护窗密封界面锁紧装置， 其中， 所述卡接部 （31) 包 括：
用于卡装所述第二销钉 （62) 的卡接槽 （311); 以及
设置在卡接槽 （311) 边端用于防止所述第二销钉 （62) 脱出的卡接凸起 (312)。 、 根据权利要求 4所述的维护窗密封界面锁紧装置， 其中， 所述限位锁定部（32) 上设有螺纹通孔 （34)， 其中
所述扳手（3)通过其将所述盖板（1)和所述壳体（2)锁紧后穿过所述螺 纹通孔 （34) 的螺钉 （7) 与所述盖板 （1) 固定。 、 根据权利要求 1或 2所述的维护窗密封界面锁紧装置，其中，所述铰链机构（4) 包括：
铰链件 （41)， 其具有铰接部 （411); 以及
与铰链件 （41) 转动连接的销轴 （42); 其中
所述铰接部 （411)上设有限位槽（412)， 所述销轴 （42)上设有与所述限 位槽（412)相配合的限位台 （421)， 所述盖板（1)通过限位台 （421) 与限位 槽 （412) 的卡位实现其开启后相对于所述壳体 （2) 的限位。 、 根据权利要求 7所述的维护窗密封界面锁紧装置， 其中， 所述铰链件 （41) 和 所述销轴 （42) 上还分别设有紧固孔 （43)。 、 根据权利要求 1或 2所述的维护窗密封界面锁紧装置， 其中， 所述扳手组件的 数量为两个。 0、 根据权利要求 1或 2所述的维护窗密封界面锁紧装置，其中，所述铰链机构（4) 的数量为两个。
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