WO2023050595A1 - 一种便于更换滤网的过滤器 - Google Patents

一种便于更换滤网的过滤器 Download PDF

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Publication number
WO2023050595A1
WO2023050595A1 PCT/CN2021/138894 CN2021138894W WO2023050595A1 WO 2023050595 A1 WO2023050595 A1 WO 2023050595A1 CN 2021138894 W CN2021138894 W CN 2021138894W WO 2023050595 A1 WO2023050595 A1 WO 2023050595A1
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WIPO (PCT)
Prior art keywords
filter screen
filter
outer frame
installation mechanism
movable door
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PCT/CN2021/138894
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English (en)
French (fr)
Inventor
周静
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广州捷霖空气净化技术有限公司
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Publication of WO2023050595A1 publication Critical patent/WO2023050595A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B01D46/121—V-type arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames

Definitions

  • the invention relates to the technical field of filters, in particular to a filter which is convenient for replacing filter screens.
  • An air filter is a device that captures dust from a gas-solid two-phase flow through the action of a porous filter material and purifies the gas. It purifies the air with low dust content and sends it into the room to ensure the process requirements of the clean room and the air cleanliness in the general air-conditioned room.
  • Existing air filters are generally made in one piece and cannot be disassembled as a whole, resulting in a large space occupation, difficult transportation, and inconvenient replacement.
  • the filter screen tends to accumulate a lot of dust and needs to be cleaned or replaced after long-term use. Its one-piece structure makes it difficult to clean the filter screen. If the net cannot capture dust, the entire filter needs to be replaced, which greatly increases maintenance costs.
  • the purpose of the present invention is to provide a filter that is easy to replace the filter screen.
  • the structure of the invention can be disassembled, and the frame is formed by combining the outer frame and the installation mechanism. Through the cooperation of the movable door and the installation mechanism, a suitable filter net can be selected and assembled to realize the replaceable function of the filter net and facilitate the cleaning of the filter net. and reduced maintenance costs.
  • a filter for easy filter screen replacement includes an outer frame, a filter screen and a dodge door, and at least one installation mechanism is provided on one side of the outer frame, and the installation mechanism is used to install the
  • the filter screen, the opposite sides of the installation mechanism are arranged symmetrically and obliquely, and the side of the installation mechanism close to the outer frame is in the shape of an opening, and the movable door is detachably connected inside the installation mechanism , the movable door is used to cooperate with the inner side of the installation mechanism to install the filter net.
  • two movable doors are hinged inside each of the installation mechanisms, and one end of the movable door extends toward the opening side of the installation mechanism and can be connected with the bottom side of the installation mechanism.
  • the connection is disassembled; the two movable doors are respectively rotated along the hinges, so as to be close to or far away from the two inner sides of the oblique arrangement of the installation mechanism respectively.
  • the installation mechanism includes two baffles inserted on the outer frame and arranged oppositely, the baffles are trapezoidal, and the top surface and the side surfaces between the two baffles are A connecting plate and a pressing plate are respectively provided, the movable door is hinged on the inner side of the connecting plate, and the middle part of the pressing plate is hollowed out and used to cooperate with the movable door to install the filter screen.
  • the bottom side of the baffle is bent inwards and is provided with a raised portion, and a through hole matching the raised portion is provided on the movable door, and the gap between the two baffles is
  • a support plate for supporting the bottom side of the filter screen can also be detachably connected to the bottom side of the room.
  • a groove is provided on a side of the movable door close to the support plate.
  • slots are provided on both sides of the top surface of the baffle, and the connecting rod is detachably connected between every two side-by-side baffles through the slots.
  • the outer frame includes four cross bars and four right-angle connectors, and the cross bars and the right-angle connectors are arranged at intervals and detachably connected in turn.
  • the installation mechanism is connected to the inner side of the outer frame, and sealing layers are arranged on the upper and lower sides of the outer frame.
  • the outer side of the filter screen is wrapped with a sealing strip, and the sealing strip is coated with an adhesive material.
  • the structure of the present invention can be disassembled, and the frame is formed by the combination of the outer frame and the installation mechanism. Through the cooperation of the movable door and the installation mechanism, a suitable filter screen can be selected and assembled to realize the replaceable function of the filter screen, which is convenient for the filter screen. Cleaning and reduced maintenance costs.
  • the device When the device is in use, it can be removed through the two inner sides of the movable door relative to the installation mechanism, and a filter screen of a corresponding size can be installed, and then the movable door can be closed to realize the replacement of the filter screen.
  • the inside of the dodge door can be set to be hinged with the installation mechanism. After the dodge door is opened, the corresponding filter screen can be inserted to allow the dodge door to rotate to the inclined side of the installation mechanism and press the filter screen to complete the installation.
  • the present invention is divided into three forms: integrated type, semi-decomposed type and fully decomposed type.
  • the installation mechanism and the outer frame can be an integrated structure, which can be connected by welding or other methods; it can also be divided into several parts. It can also be completely decomposed into small parts, which is convenient for the replacement of corresponding parts, and it does not need to be replaced as a whole when damaged, reducing maintenance costs, and the size of the filter can also be adjusted according to the actual situation.
  • Fig. 1 is the structural representation of embodiment 1 of the present invention.
  • Fig. 2 is the structural representation of embodiment 2 of the present invention.
  • Fig. 3 is the structural representation of embodiment 3 of the present invention.
  • Fig. 4 is the schematic structural view of embodiment 3 of the present invention that filter screen is not installed;
  • Fig. 5 is a schematic diagram of the assembly of the dodge door and the connecting plate in Embodiment 3 of the present invention.
  • Fig. 6 is a schematic diagram of the assembly of the outer frame, the baffle and the support plate in the third embodiment of the present invention.
  • the terms “installation” and “connection” should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral Ground connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary. It can be said that the internal communication of two components.
  • a kind of filter that is convenient to replace the filter screen of the present invention includes an outer frame 1, a filter screen 3 and a dodge door 4, and one side of the outer frame 1 is extended outward with at least one installation mechanism 2.
  • the installation mechanism 2 is used to install the filter screen 3.
  • the opposite sides of the installation mechanism 2 are arranged symmetrically and obliquely, and the side of the installation mechanism 2 close to the outer frame 1 is open, and the movable door 4 is detachably connected to the installation mechanism 2, the dodge door 4 is used to cooperate with the inside of the installation mechanism 2 to install the filter screen 3.
  • the structure of the present invention can be disassembled.
  • the combination of the outer frame 1 and the installation mechanism 2 is used to form a frame.
  • a suitable filter screen 3 can be selected and assembled to realize the replaceable function of the filter screen 3. , to facilitate the cleaning of the filter screen 3 and reduce the maintenance cost.
  • the filter screen 3 can be formed by combining multiple pieces at the same installation position, and can also be stacked to increase the filtering effect at the corresponding position.
  • Dodge door 4 can adopt sliding cover type, and promptly installation mechanism 2 vertical two inner sides are provided with slide rail, can allow dodge door 4 to move along slide rail, pull out or push in from opening side to match the inclined side pair of installation mechanism 2 Filter screen 3 is positioned, but needs the filter screen 3 of size just in this way, and devices such as dodge door 4 need to have certain elasticity, otherwise the opening side that easily produces gap or mounting mechanism 2 can not be connected with dodge door 4.
  • each installation mechanism 2 is hinged with two dodge doors 4, and one end of the dodge door 4 extends to the opening side of the installation mechanism 2 and is detachably connected with the bottom side of the installation mechanism 2; 4 rotate along the hinge respectively, so as to be close to or away from the two inner sides of the installation mechanism 2 which are arranged obliquely.
  • the inside of the dodge door 4 can be set to be hinged with the installation mechanism 2. After the dodge door 4 is opened, the corresponding filter screen 3 can be inserted, so that the dodge door 4 can be rotated to the inclined side of the installation mechanism 2, and the filter screen 3 can be compressed finish installation.
  • the outside of filter screen 3 is wrapped with sealing strip, is all coated with bonding material on the sealing strip.
  • the sealing strip can utilize the groove formed by the outer frame of the filter screen 3 or protrude for positioning and installation. It has certain elasticity and can make up for the gap between the filter screen 3 and the installation mechanism 2, so that the air can only flow from the middle of the filter screen 3. Pass through, and bonding material can adopt as AB glue, ultrasonic adhesive, styrofoam etc., can further bond the frame that installation mechanism 2 forms during installation, make filter screen 3 not easy to drop.
  • the installation mechanism 2 and the outer frame 1 are of an integrated structure, which can be connected by welding or other means.
  • the filter screen 3 When cleaning or replacing the filter screen 3, it can directly pass through the bottom opening and use the dodge door 4
  • the removal and installation of the filter screen 3 can be carried out according to the function, and the filter screen 3 can be set on both sides of the inclination in each installation mechanism 2.
  • Multiple mounting mechanisms 2 can be provided and arranged on the outer frame 1 with the opening side as a plane, and connecting rods 26 are also provided between the top surfaces of the multiple mounting mechanisms 2 to strengthen the connection stability between the mounting mechanisms 2.
  • the air filtering effect of the filter screen 3 is affected by allowing the structure to shift.
  • the difference from Embodiment 1 is that in this embodiment, the outer frame 1 is a whole, and the installation mechanism 2 is assembled and assembled by buckling.
  • the vertical sides of the installation mechanism 2 are Insert it on the two opposite inner sides of the outer frame 1, and then limit and install the two ends of the top surface of the installation mechanism 2 through the groove formed at the connecting rod 26, and the top surface connects the two inclined sides, and
  • the inboard of the top surface is hinged dodge door 4, so when dodge door 4 is rotated to the inclined side near installation mechanism 2, filter screen 3 can be installed by cooperating with each other.
  • a sealing layer 5 is arranged on the upper and lower sides of the outer frame 1 to compensate for the leakage of the outer frame 1.
  • the gap during installation with other mechanisms can also cover the gap between the installation mechanism 2 and the outer frame 1 .
  • the installation mechanism 2 includes two baffles 21 inserted on the outer frame 1 and arranged oppositely.
  • the baffles 21 are trapezoidal.
  • the top surface and both sides between the two baffles 21 are respectively provided with a connecting plate 22 and a pressing plate 23.
  • the door 4 is hinged on the inside of the connecting plate 22, and the middle part of the pressing plate 23 is hollowed out and is used to cooperate with the dodge door 4 to install the filter screen 3.
  • the installation mechanism 2 is mainly composed of two baffles 21, a connecting plate 22 and two pressure plates 23, forming a trapezoidal column.
  • the two baffles 21 are located on the opposite inner sides of the outer frame 1, and can be inserted through the card slot, etc. Then insert the connection plate 22 on the top side of the two baffles 21, insert two pressure plates 23 on the two inclined sides respectively, use the width formed inside the outer frame 1 to compress, and combine to form the installation mechanism 2.
  • slots are provided on both sides of the top surface of the baffle 21 , and the connecting rod 26 is detachably connected between every two side-by-side baffles 21 through the slots.
  • the connecting rod 26 can also be installed in a detachable manner, so that the number of installation mechanisms 2 can be selected, and then connected sequentially through the connecting rod 26 to meet the needs of different pipelines for air filtration.
  • the bottom side of the baffle plate 21 is bent inward and is provided with a raised portion 24, and the movable door 4 is provided with a through hole matching the raised portion 24, and the bottom side between the two baffle plates 21 can also be disassembled.
  • a support plate 25 for supporting the bottom side of the filter screen 3 is connected.
  • the installation mechanism 2 is also provided with a support plate 25 for supporting the filter screen 3 after installation. Part 24 is used to further fix the position of dodge door 4 on the opening side, so that dodge door 4 is close to filter screen 3 and pressing plate 23.
  • the dodge door 4 is provided with a groove near the side of the support plate 25, so that the bottom side of the dodge door 4 and the plane formed by the support plate 25 leave a slot that is convenient for the user to toggle the dodge door 4, which is convenient Open dodge door 4 to replace filter screen 3.
  • the outer frame 1 includes four crossbars 11 and four right-angle connectors 12, the crossbars 11 and the right-angle connectors 12 are arranged at intervals and detachably connected in sequence.
  • the outer frame 1 is also composed of detachable components, which are spliced and assembled one by one by four cross bars 11 and four right-angle connectors 12 to form a rectangular structure of the outer frame 1, which is used for frame
  • crossbars 11 of different lengths can be selected for assembly according to the number of installation mechanisms 2 and data such as length and width.
  • the layer 5 further makes the assembled outer frame 1 integral, and the sealing layer 5 also has the function of ensuring the airtightness of the connection between the cross bar 11 and the right-angle connector 12 .
  • orientation words such as “front, back, up, down, left, right", “horizontal, vertical, horizontal” and “top, bottom” etc. indicate the orientation or position The relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description. In the absence of a contrary statement, these orientation words do not indicate and imply that the device or element referred to must have A particular orientation, or construction and operation in a particular orientation, should therefore not be construed as limiting the scope of the application.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

本发明涉及过滤器的技术领域，具体涉及一种便于更换滤网的过滤器，包括外框、过滤网和活动门，所述外框的一侧向外延伸设有至少一个安装机构，所述安装机构用于安装所述过滤网，所述安装机构其中相对的两侧对称设置并倾斜布置，且所述安装机构靠近所述外框的一侧呈开口状，所述活动门可拆卸连接在所述安装机构的内部，所述活动门用于配合所述安装机构的内侧安装所述过滤网。本发明结构组成可拆分，利用外框和安装机构的结合形成框架，可通过活动门与安装机构的配合，进而选择装配合适的过滤网，实现过滤网的可更换功能，便于过滤网的清洗以及降低了维护成本。

Description

一种便于更换滤网的过滤器 技术领域
本发明涉及过滤器的技术领域，具体涉及一种便于更换滤网的过滤器。
背景技术
空气过滤器是通过多孔过滤材料的作用从气固两相流中捕集粉尘，并使气体得以净化的设备。它把含尘量低的空气净化处理后送入室内，以保证洁净房间的工艺要求和一般空调房间内的空气洁净度。现有的空气过滤器一般是一体式制成，整体不可拆卸，导致其占用空间较大，运输困难，而且不便于更换。尤其是过滤网容易积储较多的粉尘，长期使用后需要清洗或者更换，其一体式的结构就造成过滤网难以清洗，需要整个过滤器拆卸下来一起清理，容易导致过滤网破损，而一旦过滤网不能捕集粉尘，就需要把整个过滤器进行更换，大大增加了维护成本。
发明内容
为了解决上述现有技术存在的问题，本发明目的在于提供一种便于更换滤网的过滤器。本发明结构组成可拆分，利用外框和安装机构的结合形成框架，可通过活动门与安装机构的配合，进而选择装配合适的过滤网，实现过滤网的可更换功能，便于过滤网的清洗以及降低了维护成本。
本发明所述的一种便于更换滤网的过滤器，包括外框、过滤网和活动门，所述外框的一侧向外延伸设有至少一个安装机构，所述安装机构用于安装所述过滤网，所述安装机构其中相对的两侧对称设置并倾斜布置，且所述安装机构靠近所述外框的一侧呈开口状，所述活动门可拆卸连接在所述安装机构的内部，所述活动门用于配合所述安装机构的内侧安装所述过滤网。
在其中一个实施例中，每个所述安装机构的内部均铰接有两个所述活动门，所述活动门的一端向所述安装机构的开口侧延伸并与所述安装机构的底侧可拆卸连接；两个所述活动门分别沿铰接处转动，从而分别靠近或远离所述安装机构倾斜布置的两内侧。
在其中一个实施例中，所述安装机构包括插设在所述外框上并相对设置的两个挡板，所述挡板呈梯形，两个所述挡板之间的顶面和两侧面分别设有连接板和压板，所述活动门铰接在所述连接板的内侧，所述压板中部镂空并用于配合所述活动门安装所 述过滤网。
在其中一个实施例中，所述挡板底侧向内弯曲并设有凸起部，所述活动门上设有与所述凸起部相适配的通孔，两个所述挡板之间的底侧还可拆卸连接有用于支撑过滤网底侧的支撑板。
在其中一个实施例中，所述活动门靠近所述支撑板的一侧上设有凹槽。
在其中一个实施例中，所述安装机构数量为多个并以开口侧为平面排列布置在所述外框上，多个所述安装机构的顶面之间还设有连接杆。
在其中一个实施例中，所述挡板的顶面两侧均设有卡槽，所述连接杆通过所述卡槽可拆卸连接在每两个并排设置的所述挡板之间。
在其中一个实施例中，所述外框包括四条横杆和四个直角连接件，所述横杆和所述直角连接件间隔布置并依次可拆卸连接。
在其中一个实施例中，所述安装机构连接在所述外框的内侧，所述外框的上下两侧均布置有密封层。
在其中一个实施例中，所述过滤网的外侧包裹有密封条，所述密封条上均涂有粘接材料。
与现有技术相比，本发明技术方案的有益效果是：
1、本发明结构组成可拆分，利用外框和安装机构的结合形成框架，可通过活动门与安装机构的配合，进而选择装配合适的过滤网，实现过滤网的可更换功能，便于过滤网的清洗以及降低了维护成本。
2、本装置在使用时，可通过活动门相对安装机构的两内侧拆除出来，安装相应尺寸的过滤网，再把活动门合上，从而实现过滤网的更换。活动门内部可设置成与安装机构铰接的方式，掀开活动门后，插入相应的过滤网，即可让活动门向安装机构的倾斜侧转动，并压紧过滤网完成安装。
3、本发明分为一体式、半分解式和全分解式三种形式，安装机构和外框可为一体式结构，通过焊接等方式进行连接；也可以分为几大部分分别一体式制作而成，再通过卡扣等方式进行组合，还可以完全分解成各个小零件，便于对应零件的更换，而且损坏时不需要整体更换，减少维护成本，还能根据实际情况修整过滤器的尺寸。
附图说明
图1是本发明实施例1的结构示意图；
图2是本发明实施例2的结构示意图；
图3是本发明实施例3的结构示意图；
图4是本发明实施例3未安装过滤网的结构示意图；
图5是本发明实施例3中活动门和连接板的装配示意图；
图6是本发明实施例3中外框、挡板及支撑板的装配示意图。
附图标记说明：1-外框，11-横杆，12-直角连接件，2-安装机构，21-挡板，22-连接板，23-压板，24-凸起部，25-支撑板，26-连接杆，3-过滤网，4-活动门，5-密封层。
具体实施方式
附图仅用于示例性说明，不能理解为对本专利的限制；为了更好说明本实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对于本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以是通过中间媒介间接连接，可以说两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明的具体含义。下面结合附图和实施例对本发明的技术方案做进一步的说明。
如图1-图6所示，本发明的一种便于更换滤网的过滤器，包括外框1、过滤网3和活动门4，外框1的一侧向外延伸设有至少一个安装机构2，安装机构2用于安装过滤网3，安装机构2其中相对的两侧对称设置并倾斜布置，且安装机构2靠近外框1的一侧呈开口状，活动门4可拆卸连接在安装机构2的内部，活动门4用于配合安装机构2的内侧安装过滤网3。本发明结构组成可拆分，利用外框1和安装机构2的结合形成框架，可通过活动门4与安装机构2的配合，进而选择装配合适的过滤网3，实现过滤网3的可更换功能，便于过滤网3的清洗以及降低了维护成本。过滤网3在同一安装位置可通过多块组合而成，也可通过叠放来增加对应位置的过滤效果。
本装置在使用时，可通过活动门4相对安装机构2的两内侧拆除出来，安装相应尺寸的过滤网3，再把活动门4合上，从而实现过滤网3的更换。活动门4可采用滑盖式，即安装机构2竖直的两内侧设有滑轨，可让活动门4沿滑轨运动，从开口侧拉出或推入来配合安装机构2的倾斜侧对过滤网3进行定位，但这样需要尺寸刚好的过滤网3，且活动门4等装置需要有一定的弹性，不然容易产生空隙或安装机构2的开 口侧不能与活动门4连接。因此，进一步地，每个安装机构2的内部均铰接有两个活动门4，活动门4的一端向安装机构2的开口侧延伸并与安装机构2的底侧可拆卸连接；两个活动门4分别沿铰接处转动，从而分别靠近或远离安装机构2倾斜布置的两内侧。活动门4内部可设置成与安装机构2铰接的方式，掀开活动门4后，插入相应的过滤网3，即可让活动门4向安装机构2的倾斜侧转动，并压紧过滤网3完成安装。
而为了保证过滤网3四周与安装机构2及活动门4形成的框架密闭连接，不易漏风，过滤网3的外侧包裹有密封条，密封条上均涂有粘接材料。密封条可利用过滤网3外侧边框形成的凹槽或者凸起来进行定位安装，其具有一定的弹性，可弥补过滤网3与安装机构2之间的空隙，使空气只能从过滤网3的中部穿过，而且粘接材料可采用如AB胶、超声波粘合剂、发泡胶等，安装时可进一步粘合安装机构2形成的框架，使过滤网3不易掉落。
实施例1
如图1所示，在本实施例中，安装机构2和外框1为一体式结构，可通过焊接等方式进行连接，清洗或更换过滤网3时，可直接通过底部开口，利用活动门4的功能进行过滤网3的拆除和安装，每个安装机构2内倾斜的两侧均可设置过滤网3。安装机构2可设置多个并以开口侧为平面排列布置在外框1上，多个安装机构2的顶面之间还设有连接杆26，以加强安装机构2之间的连接稳定性，不让架构偏移而影响过滤网3的空气过滤效果。
实施例2
如图2所示，与实施例1不同的是，在本实施例中，外框1为一整体，安装机构2为通过卡扣的方式进行装配组合，首先把安装机构2竖直的两侧插设至外框1其中相对的两内侧上，再通过连接杆26处形成的凹槽对安装机构2的顶面两端进行限位和安装，而该顶面连接两个倾斜的侧面，且顶面的内侧铰接活动门4，那么活动门4在转动至靠近安装机构2倾斜侧时，就能互相配合来安装过滤网3。另外，过滤器为了便于安装到管道中并对安装缝隙进行密封，在安装机构2连接在外框1的内侧的情况下，外框1的上下两侧均布置有密封层5，以弥补外框1与其他机构安装时的缝隙，同时也能包裹住安装机构2和外框1之间的空隙。
实施例3
如图3-图6所示，在本实施例中，外框1与安装机构2等所有结构均是由各个小零件进行组装而成，这样可方便运输，且便于对应零件的更换，而且损坏时不需要 整体更换，减少维护成本，还能根据实际情况修整过滤器的尺寸。安装机构2包括插设在外框1上并相对设置的两个挡板21，挡板21呈梯形，两个挡板21之间的顶面和两侧面分别设有连接板22和压板23，活动门4铰接在连接板22的内侧，压板23中部镂空并用于配合活动门4安装过滤网3。安装机构2主要由两个挡板21、一个连接板22和两个压板23组合而成，形成一个梯形的柱体，两个挡板21位于外框1相对的两内侧，可通过卡槽等方式进行连接，然后在两个挡板21的顶侧插设连接板22，两倾斜侧则分别插设两个压板23，利用外框1内侧形成的宽度进行压紧，并组合形成该安装机构2。另外，挡板21的顶面两侧均设有卡槽，连接杆26通过卡槽可拆卸连接在每两个并排设置的挡板21之间。连接杆26也可通过可拆卸的方式安装，这样就能选择使用安装机构2的数量，再通过连接杆26来依次进行连接，以适配不同管道空气过滤的需要。
进一步地，挡板21底侧向内弯曲并设有凸起部24，活动门4上设有与凸起部24相适配的通孔，两个挡板21之间的底侧还可拆卸连接有用于支撑过滤网3底侧的支撑板25。安装机构2还设有支撑板25，用于对过滤网3安装后的支撑，其连接方式是通过挡板21向内弯曲形成的卡接部进行卡合，而且该卡接部上可设置凸起部24，来进一步固定活动门4在该开口侧上位置，使活动门4紧贴过滤网3和压板23。此外，该处也可以设置如转动连接的拨杆，使其凸出的部分转动至活动门4的下方，并在活动门4上设置相适配的卡槽等，以防止活动门4向外滑落。进一步地，活动门4靠近支撑板25的一侧上设有凹槽，从而使活动门4的底侧和支撑板25形成的平面上留有便于使用者拨动活动门4的槽位，便于掀开活动门4以更换过滤网3。
进一步地，外框1包括四条横杆11和四个直角连接件12，横杆11和直角连接件12间隔布置并依次可拆卸连接。为适配使用不同数量的安装机构2，外框1也是由可拆卸的元件组成，利用四条横杆11和四个直角连接件12一一拼接组合，形成外框1的长方形结构，用于框住多个安装机构2的底侧，可根据安装机构2的数量和长宽等数据的不同，选择不同长度的横杆11进行装配，并且利用卡槽等方式连接后，配合上下两侧的密封层5进一步使装配后的外框1形成一个整体，而且密封层5也有保证横杆11和直角连接件12之间连接的气密性的作用。
在本申请的描述中，需要理解的是，方位词如“前、后、上、下、左、右”、“横向、竖向、水平”和“顶、底”等所指示的方位或位置关系通常是基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，在未作相反说明的情况下，这 些方位词并不指示和暗示所指的装置或元件必须具有特定的方位或者以特定的方位构造和操作，因此不能理解为对本申请保护范围的限制。
图中，描述位置关系仅用于示例性说明，不能理解为对本专利的限制；显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

  1. 一种便于更换滤网的过滤器，其特征在于，包括外框(1)、过滤网(3)和活动门(4)，所述外框(1)的一侧向外延伸设有至少一个安装机构(2)，所述安装机构(2)用于安装所述过滤网(3)，所述安装机构(2)其中相对的两侧对称设置并倾斜布置，且所述安装机构(2)靠近所述外框(1)的一侧呈开口状，所述活动门(4)可拆卸连接在所述安装机构(2)的内部，所述活动门(4)用于配合所述安装机构(2)的内侧安装所述过滤网(3)。
  2. 根据权利要求1所述一种便于更换滤网的过滤器，其特征在于，每个所述安装机构(2)的内部均铰接有两个所述活动门(4)，所述活动门(4)的一端向所述安装机构(2)的开口侧延伸并与所述安装机构(2)的底侧可拆卸连接；两个所述活动门(4)分别沿铰接处转动，从而分别靠近或远离所述安装机构(2)倾斜布置的两内侧。
  3. 根据权利要求2所述一种便于更换滤网的过滤器，其特征在于，所述安装机构(2)包括插设在所述外框(1)上并相对设置的两个挡板(21)，所述挡板(21)呈梯形，两个所述挡板(21)之间的顶面和两侧面分别设有连接板(22)和压板(23)，所述活动门(4)铰接在所述连接板(22)的内侧，所述压板(23)中部镂空并用于配合所述活动门(4)安装所述过滤网(3)。
  4. 根据权利要求3所述一种便于更换滤网的过滤器，其特征在于，所述挡板(21)底侧向内弯曲并设有凸起部(24)，所述活动门(4)上设有与所述凸起部(24)相适配的通孔，两个所述挡板(21)之间的底侧还可拆卸连接有用于支撑过滤网(3)底侧的支撑板(25)。
  5. 根据权利要求4所述一种便于更换滤网的过滤器，其特征在于，所述活动门(4)靠近所述支撑板(25)的一侧上设有凹槽。
  6. 根据权利要求5所述一种便于更换滤网的过滤器，其特征在于，所述安装机构(2)数量为多个并以开口侧为平面排列布置在所述外框(1)上，多个所述安装机构(2)的顶面之间还设有连接杆(26)。
  7. 根据权利要求6所述一种便于更换滤网的过滤器，其特征在于，所述挡板(21)的顶面两侧均设有卡槽，所述连接杆(26)通过所述卡槽可拆卸连接在每两个并排设置的所述挡板(21)之间。
  8. 根据权利要求1-7任意一项所述一种便于更换滤网的过滤器，其特征在于，所述外框(1)包括四条横杆(11)和四个直角连接件(12)，所述横杆(11)和所 述直角连接件(12)间隔布置并依次可拆卸连接。
  9. 根据权利要求8所述一种便于更换滤网的过滤器，其特征在于，所述安装机构(2)连接在所述外框(1)的内侧，所述外框(1)的上下两侧均布置有密封层(5)。
  10. 根据权利要求1或9所述一种便于更换滤网的过滤器，其特征在于，所述过滤网(3)的外侧包裹有密封条，所述密封条上均涂有粘接材料。
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