CN216170686U - Filter element limiting and locking device for air filter - Google Patents
Filter element limiting and locking device for air filter Download PDFInfo
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- CN216170686U CN216170686U CN202122608799.0U CN202122608799U CN216170686U CN 216170686 U CN216170686 U CN 216170686U CN 202122608799 U CN202122608799 U CN 202122608799U CN 216170686 U CN216170686 U CN 216170686U
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Abstract
The utility model belongs to the technical field of air filtration, and relates to a filter element limiting and locking device for an air filter. The filter element limiting and locking device for the air filter is characterized in that the filter element is positioned in a blank formed by a vertical plate and a transverse plate of a filter element frame; the filter element limiting and locking device is provided with a connecting unit arranged on a vertical plate between every two left and right adjacent blank spaces or a horizontal plate between every two upper and lower adjacent blank spaces, and a limiting and locking unit I which is fixed relative to the filter element frame and is arranged corresponding to the side wall surface of the filter element shell; a limiting locking unit II is arranged on the filter element shell; the limit locking unit II is provided with a movable rotating element, a limit locking element positioned on the movable rotating element and a limit element for limiting the stroke of the limit locking element. The utility model not only fixes the filter element shell relative to the blank of the filter element frame, but also ensures the reliable sealing between the rear panel of the filter element shell and the blank of the filter element frame.
Description
Technical Field
The utility model belongs to the technical field of air filtration, and particularly relates to a filter element limiting and locking device for an air filter.
Background
The plate-and-frame air filter belongs to air purification equipment of a fan, and generally comprises an air inlet, a shell, a rain-proof grid, a negative pressure door, an access passage and an air outlet; a filtering unit is arranged in the shell; as shown in fig. 1, the filter unit consists of a filterThe filter element frame comprises a core frame 1 and a filter element 3 in the filter element frame, wherein the filter element frame consists of an upper layer and a lower layer, and each layer is provided with a plurality of blank spaces; the space is a rectangular space formed by two vertical plates 2-1 and two transverse plates 2-2 and used for installing a filter element; the filter element consists of a filter element shell, a filter material and a framework, wherein the filter material and the framework are positioned in the filter element shell; with reference to fig. 2, the front panel and the rear panel of the filter element shell are both provided with filter screens; the front panel is fixed with a sealing strip; a filter element is arranged in each blank of the filter element frame, and when the filter element is arranged, the sealing strip of the front panel of the filter element is required to be tightly attached to the bottom surface of the corresponding blank to form reliable sealing by combining the graph of fig. 3; because the depth of the blank of the filter element frame is less than the length of the filter element shell, the rear end of the filter element shell is bound to protrude out of the corresponding blank; when the plate-frame air filter works, the filter element shell is likely to topple over, so that the filtering effect is influenced, effective sealing cannot be formed, even the filter element falls off seriously, and potential safety hazards are formed; in fact, however, the gap 4 between the front and rear panels of the filter element shell and the side wall surface of the filter element frame blank is not more than 5mm, and the gap 5 between the side wall surface, the bottom surface and the top surface of the filter element shell and the filter element frame blankAre all made ofNot more than 25 mm; due to the above-mentioned space limitation, when the filter element shell is fixed relative to the filter element frame, the connection part between the two is difficult to determine; in addition, certain error exists when the filter element shell is processed, in order to guarantee the sealing effect, higher requirements are provided for a fixing device arranged between the filter element shell and the filter element frame, the blank space of the filter element shell relative to the filter element frame is fixed, reliable sealing between the blank space of the front panel of the filter element shell and the filter element frame is guaranteed, and meanwhile, the installation requirement of the processing error of the filter element shell is met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a filter element limiting and locking device for an air filter, which solves the technical problem.
The utility model adopts the following technical scheme for achieving the purpose:
a filter element limiting and locking device for an air filter is provided, the air filter is provided with a filter element frame and a filter element arranged in the filter element frame; the filter element frame is provided with a plurality of blank spaces formed by vertical plates and transverse plates; the filter element is positioned in a blank formed by a vertical plate and a transverse plate of the filter element frame; the filter element consists of a filter element shell, a filter material and a framework, wherein the filter material and the framework are positioned in the filter element shell; the method is characterized in that: the filter element limiting and locking device is provided with a connecting unit; the connecting units are arranged on the left side and the right side of the filter element shell or on the filter element frames on the top surface and the bottom surface, and further, the connecting units are arranged on vertical plates or transverse plates of the spaces forming the filter element frame by considering the limitation of gaps between the top surface, the bottom surface and the side wall surface of the spaces of the filter element frames and the filter element shell; the filter element limiting and locking device is also provided with a limiting and locking unit I; the limiting locking unit I is fixedly arranged relative to the filter element frame through the connecting unit, and is arranged corresponding to the left side wall surface and the right side wall surface of the filter element shell, or is arranged corresponding to the top surface and the bottom surface of the filter element shell; the filter element shell is provided with a limiting locking unit II matched with the limiting locking unit I; the limiting locking units II are positioned on the left side wall surface and the right side wall surface of the filter element shell, or positioned on the top surface and the bottom surface of the filter element shell and are arranged corresponding to the limiting locking units I; the limiting locking unit II is provided with a movable rotating element which can elastically compress forwards or retract backwards and can rotate relative to the limiting locking unit I, and a limiting locking element which enables the filter element shell to limit and lock relative to the filter element frame is arranged; the limiting locking element is positioned on the movable rotating element and synchronously acts with the movable rotating element; the limiting locking unit II is also provided with a limiting element for limiting the stroke of the limiting locking element, and the limiting element is provided with a limiting groove I and a limiting groove II for limiting the stroke of the limiting locking element; the limiting groove I is provided with a guide groove, and the limiting groove I is communicated with the limiting groove II through the guide groove; the limiting unit II is also provided with an elastic element which enables the limiting locking element to elastically compress forwards or retract backwards relative to the filter element shell; the elastic element and the limiting element are sleeved on the movable rotating element; and the limiting locking unit II is matched with the limiting locking unit I to form a structure which is used for elastically compressing the filter element shell and limiting and locking the filter element shell in the blank space.
Two limiting locking units II are arranged on the left side wall surface and the right side wall surface of the filter element shell at the same time; and the two limiting locking units II are arranged up and down.
The top surface and the bottom surface of the filter element shell are both provided with two limiting locking units II; and the two limiting locking units II are arranged left and right.
The movable rotating element is of a shaft-shaped structure, and the limiting element is of a shaft sleeve structure matched with the movable rotating element.
The utility model provides a filter element limiting and locking device for an air filter, which adopts the technical scheme that the utility model fully considers the gap between the side wall surface of a filter element frame and a filter element shell, a connecting unit is arranged on a vertical plate or a transverse plate forming the blank of the filter element frame, a limiting locking unit I fixed relative to the filter element frame is arranged, the limiting locking unit is limited by a limiting groove I and a limiting groove II on the limiting element, and the limiting locking unit I is matched to realize limiting and locking, so that the aim of limiting and locking the filter element shell in the blank of the filter element frame is realized, and the reliable sealing between the front panel of the filter element shell and the blank of the filter element frame is ensured; meanwhile, the structural design of the limiting groove I and the limiting groove II meets the installation requirement of machining errors of the filter element shell.
Drawings
FIG. 1 is a schematic view of a cartridge frame and cartridge configuration for a plate and frame air filter.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is an enlarged view of portion I in fig. 2.
Fig. 4 is a structural axial view of a filter element limit locking device for an air filter in embodiment 1.
Fig. 5 is an enlarged view of a portion ii in fig. 4.
Fig. 6 is a perspective view of the limit locking unit ii of the present invention.
Fig. 7 is a structural axial view of a filter element limit locking device for an air filter in accordance with embodiment 2.
Fig. 8 is an enlarged view of part iii of fig. 7.
In the figure: 1. the filter element comprises a filter element frame, 2, a blank space, 2-1, a vertical plate, 2-2, a transverse plate, 3, a filter element, 3-1, a filter element shell, 3-1-1, a rear panel, 3-1-2, a front panel, 3-1-3, a sealing strip, 4, a gap between the front panel and the rear panel of the filter element shell and the side wall surface of a cavity of the filter element frame, 5, the side wall surface, the bottom surface, the top surface and the top surface of the filter element shell and the blank space of the filter element frame, 6, a connecting unit, 7, a limiting locking unit I, 8, a limiting locking unit II, 8-1, a movable rotating element, 8-2, a limiting locking element, 8-3, an elastic element, 8-4, a bottom plate, 8-5, a limiting element, 8-5-1, a limiting groove I, 8-5-2, a guide groove, 8-5-3, And a limiting groove II.
Detailed Description
The utility model is described in connection with the drawings and the detailed description;
with reference to fig. 1 and 2, a filter element limiting and locking device for an air filter is provided, wherein the air filter is provided with a filter element frame 1 and a filter element 3 placed in the filter element frame; the filter element frame 1 is provided with a plurality of blank spaces 2 formed by vertical plates 2-1 and horizontal plates 2-2; the filter element 3 is positioned in a blank 2 formed by a vertical plate 2-1 and a horizontal plate 2-2 of the filter element frame; the filter element 3 consists of a filter element shell 3-1, a filter material and a framework which are positioned in the filter element shell; with reference to fig. 4 and 5, the filter element limiting and locking device is provided with a connecting unit 6; the connecting units 6 are arranged on the left side and the right side of the filter element shell 1 or on the filter element frames on the top surface and the bottom surface, and further, the connecting units are arranged on the vertical plates 2-1 or the horizontal plates 2-2 of the spaces forming the filter element frame by considering the limitation of gaps between the top surfaces, the bottom surfaces and the side wall surfaces of the spaces of the filter element frames and the filter element shell; in this embodiment, the connecting unit 6 is arranged on the vertical plate 2-1 of the blank; the filter element limiting and locking device is also provided with a limiting and locking unit I7; the limiting locking unit I7 is fixedly arranged relative to the filter element frame 1 through the connecting unit 6, and the limiting locking unit I7 is arranged corresponding to the surfaces of the left side wall and the right side wall of the filter element shell; in order to fix the limiting locking unit I7 in the limited space between the filter element shell and the blank, the connecting unit 6 in the embodiment adopts a screw structure.
A limiting locking unit II 8 matched with the limiting locking unit I7 is arranged on the filter element shell 3-1; the limiting locking units II 8 are positioned on the left side wall surface and the right side wall surface of the filter element shell and are arranged corresponding to the limiting locking units I7; in the embodiment, two limiting locking units II 8 arranged on the left side wall surface and the right side wall surface of the filter element shell 3-1 are arranged up and down; spacing locking unit I7 adopt bar platelike structure, pass through coupling unit 6 fixed to correspond the setting with spacing locking unit II 8 on the filter core casing wall, be provided with spacing locking unit I7 respectively corresponding to spacing locking unit II 8 of filter core casing left side wall face, the spacing locking unit II 8 of corresponding to filter core casing right side wall face promptly.
Referring to fig. 6, the limit locking unit ii 8 has a movable rotary member 8-1 elastically compressible forwards or backwards and rotatable relative to the limit locking unit I7, in this embodiment, the movable rotary member 8-1 may have a shaft-like structure, and a limit locking member 8-2 for limiting and locking the cartridge housing relative to the cartridge frame blank is disposed on the movable rotary member 8-1; the limit locking element 8-2 synchronously acts with the moving rotating element 8-1, and in the embodiment, the limit locking element 8-2 can adopt a pin shaft; a limiting element 8-5 used for limiting the stroke of the limiting locking element 8-2 is arranged corresponding to the limiting locking element 8-2, a limiting groove I8-5-1 and a limiting groove II 8-5-3 used for limiting the stroke of the limiting locking element 8-2 are arranged on the limiting element 8-5, and a guide groove 8-5-2 is arranged; the limiting groove I8-5-1 is communicated with the limiting groove II 8-5-3 through a guide groove 8-5-2; in this embodiment, the limiting element 8-5 adopts a shaft sleeve structure; an elastic element 8-3 which enables the limiting locking element 8-2 to elastically compress forwards or retract backwards relative to the filter element shell is arranged correspondingly to the limiting locking element 8-2, and in the embodiment, the elastic element 8-3 is a spring; the elastic element 8-3 and the limiting element 8-5 are sleeved on the movable rotating element 8-1; the movable rotating element 8-1 is supported on the filter element shell 3 through a bottom plate 8-4 fixed on the filter element shell and a limiting element 8-5 fixed with the bottom plate 8-4; and the limiting locking unit II 8 and the limiting locking unit I7 are matched to form a structure which is used for elastically compressing the filter element shell and limiting and locking the filter element shell in the blank space.
When the filter element shell is installed, the filter element shell is firstly placed in the blank 2, and the sealing strip 3-1-3 on the front panel 3-1-2 of the filter element shell is tightly propped against the bottom of the blank 2; a tool (a wrench or other tools) is used for enabling the movable rotating element 8-1 of the limiting locking unit II 8 to move forwards and driving the limiting locking element 8-2 to move forwards along the limiting groove I8-5-1; the movable rotating element 8-1 is rotated relative to the limiting and locking unit I7, so that the limiting and locking element 8-2 rotates relative to the limiting and locking unit I7 along the guide groove 8-5-2; the limiting locking element 8-2 elastically retracts backwards along the limiting groove II 8-5-3 under the action of the elastic force of the elastic element 8-3 and is matched with the limiting locking unit I7 to limit and lock the filter element shell 3 in the blank 2 of the filter element frame.
Fig. 7 and 8 show a second structure of the present invention, the main structure of the embodiment is the same as that of embodiment 1, in this embodiment, the connecting unit is arranged on the transverse plate 2-2 which forms the blank on the filter element frame, and the limiting locking unit i7 is arranged corresponding to the top surface and the bottom surface of the filter element shell; the top surface and the bottom surface of the filter element shell are both provided with two limiting locking units II 8; and the two limiting locking units II 8 positioned on the top surface and the bottom surface of the filter element shell are arranged left and right.
Claims (4)
1. A filter element limiting and locking device for an air filter is provided, the air filter is provided with a filter element frame and a filter element arranged in the filter element frame; the filter element frame is provided with a plurality of blank spaces formed by vertical plates and transverse plates; the filter element is positioned in a blank formed by a vertical plate and a transverse plate of the filter element frame; the filter element consists of a filter element shell, a filter material and a framework, wherein the filter material and the framework are positioned in the filter element shell; the method is characterized in that: the filter element limiting and locking device is provided with a connecting unit; the connecting units are arranged on the left side and the right side of the filter element shell or on the filter element frame on the top surface and the bottom surface, and further, the connecting units are arranged on the vertical plates or the transverse plates of the spaces forming the filter element frame; the filter element limiting and locking device is also provided with a limiting and locking unit I; the limiting locking unit I is fixedly arranged relative to the filter element frame through the connecting unit, and is arranged corresponding to the left side wall surface and the right side wall surface of the filter element shell, or is arranged corresponding to the top surface and the bottom surface of the filter element shell; the filter element shell is provided with a limiting locking unit II matched with the limiting locking unit I; the limiting locking units II are positioned on the left side wall surface and the right side wall surface of the filter element shell, or positioned on the top surface and the bottom surface of the filter element shell and are arranged corresponding to the limiting locking units I; the limiting locking unit II is provided with a movable rotating element which can elastically compress forwards or retract backwards and can rotate relative to the limiting locking unit I, and a limiting locking element which enables the filter element shell to limit and lock relative to the filter element frame is arranged; the limiting locking element is positioned on the movable rotating element and synchronously acts with the movable rotating element; the limiting locking unit II is also provided with a limiting element for limiting the stroke of the limiting locking element, and the limiting element is provided with a limiting groove I and a limiting groove II for limiting the stroke of the limiting locking element; the limiting groove I is provided with a guide groove, and the limiting groove I is communicated with the limiting groove II through the guide groove; the limiting locking unit II is also provided with an elastic element which enables the limiting locking element to elastically compress forwards or retract backwards relative to the filter element shell; the elastic element and the limiting element are sleeved on the movable rotating element; and the limiting locking unit II is matched with the limiting locking unit I to form a structure which is used for elastically compressing the filter element shell and limiting and locking the filter element shell in the blank space.
2. A filter cartridge position limiting and locking device for an air cleaner as defined in claim 1 wherein: two limiting locking units II are arranged on the left side wall surface and the right side wall surface of the filter element shell at the same time; and the two limiting locking units II are arranged up and down.
3. A filter cartridge position limiting and locking device for an air cleaner as defined in claim 1 wherein: the top surface and the bottom surface of the filter element shell are both provided with two limiting locking units II; and the two limiting locking units II are arranged left and right.
4. A filter cartridge position limiting and locking device for an air cleaner as defined in claim 1 wherein: the movable rotating element is of a shaft-shaped structure, and the limiting element is of a shaft sleeve structure matched with the movable rotating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122608799.0U CN216170686U (en) | 2021-10-28 | 2021-10-28 | Filter element limiting and locking device for air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122608799.0U CN216170686U (en) | 2021-10-28 | 2021-10-28 | Filter element limiting and locking device for air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216170686U true CN216170686U (en) | 2022-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122608799.0U Active CN216170686U (en) | 2021-10-28 | 2021-10-28 | Filter element limiting and locking device for air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216170686U (en) |
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2021
- 2021-10-28 CN CN202122608799.0U patent/CN216170686U/en active Active
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