Turnover front cover structure of workshop gas filtering device

Abstract

The utility model relates to the technical field of gas filtering equipment, and provides a reversible front cover structure of a workshop gas filtering device, which comprises a gas inlet pipe arranged at the front end of the filtering device, a front cover is rotatably connected in a gas inlet of the gas inlet pipe, and a filter element is attached to the back of the front cover and used for filtering entering gas. And a plurality of air inlet channels are formed in the front cover. The air filter overcomes the defects in the prior art, is reasonable in design and compact in structure, the filter element can be turned out simultaneously by turning the front cover, the front cover does not need to be detached, the cleaning process is simplified, the fence of the filter element completely surrounds the edge of the air inlet channel, it is ensured that air flows out only through the net-shaped filter structure, unfiltered air is effectively prevented from entering the device, and the air filter is convenient to clean. And the pollution risk is reduced. The design of the limiting plate enables the user to relieve the limitation on the front cover through simple operation, the arrangement of the front opening facilitates the hand of the user to insert and pull the pull plate, and the convenience of operation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas filter equipment technical field, concretely relates to a kind of turnable front cover structure of workshop gas filter device. BACKGROUND

[0002] Workshop gas filter device is indispensable equipment in workshop production, for effectively removing dust, particulate and other impurities in air, ensure that workshop air quality meets production requirement.

[0003] However, existing frame gas filter device when cleaning filter structure, usually need staff to twist multiple screws, then disassemble the front cover of air inlet, this process is tedious and time-consuming, lead to low cleaning efficiency, for this, we propose a kind of turnable front cover structure of workshop gas filter device. UTILITY MODEL CONTENT

[0004] (One) the technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of turnable front cover structure of workshop gas filter device to solve the above problems existing in prior art.

[0006] (Two) technical scheme

[0007] To achieve the above object, the utility model is realized by the following technical scheme: a kind of turnable front cover structure of workshop gas filter device, including the air inlet pipe of being set in the front end of filter device, rotatingly connected with front cover in the air inlet pipe air inlet, the back of the front cover is installed with filter core, for filtering the gas entering, the front cover is equipped with several air inlet channels, for guiding airflow to flow to filter core, the filter core includes the fence of periphery and the mesh filter structure of middle part, wherein fence completely surrounds the edge of several air inlet channels, so that the air entering through air inlet pipe can only flow out through mesh filter structure.

[0008] Further, the upper side of the air inlet pipe air inlet is equipped with the through groove passing through the upper surface of air inlet pipe, the through groove is equipped with the limit plate that can be lifted, the limit plate is abutted on the upper portion of the front side of front cover, to limit the front cover to turn over outside air inlet pipe, the upper side of the air inlet pipe air inlet is equipped with the positioning plate extending downward, the positioning plate is abutted on the upper portion of the rear side of front cover, to limit the front cover to turn over inside air inlet pipe.

[0009] Further, the top of the limit plate is connected with the top of the inner chamber of through groove by connecting spring, the top of the limit plate is connected with pull plate by vertical rod, the pull plate is located in the upper side of air inlet pipe.

[0010] Further, a front opening is formed on the top of the front side of the air inlet pipe, and the front opening is located below the pull plate, so that the bottom of the pull plate has space for inserting fingers.

[0011] Further, a limiting slot is formed on the top of the front side of the front cover, and the limiting slot is matched with the side wall of the limiting plate, and the two matched sides are vertical surfaces, so that the area of the two matched sides is increased.

[0012] Further, the front cover and the filter core are detachably connected, the bottom of the back of the front cover is provided with a bottom positioning block for inserting the fence of the filter core, and the two sides of the back of the front cover are provided with side edge positioning blocks matched with the fence of the filter core.

[0013] Further, the side edge positioning blocks are L-shaped structures, and the two side edges of the L-shaped structures are matched with the side edges and the back sides of the fence of the filter core, respectively.

[0014] Further, a strip-shaped pulling opening is formed on the filter core, and the strip-shaped pulling opening is arranged in a staggered manner with the air inlet channel.

[0015] Further, the back of the air inlet pipe is provided with an air inlet warehouse, the size of the side of the air inlet warehouse away from the air inlet pipe gradually decreases, and a ventilation slot for air passing through is formed on the bottom of the air inlet warehouse, so that the direction of the air inlet is changed.

[0016] (Three) beneficial effects

[0017] The embodiment of the utility model provides a kind of front cover structure of workshop gas filter device that can overturn. It has the following beneficial effects:

[0018] By overturning the front cover, the filter core can be overturned at the same time, without disassembling the front cover, simplifying the cleaning process, and the fence of the filter core completely surrounds the edge of the air inlet channel, ensuring that air only flows out through the mesh filter structure, effectively preventing unfiltered air from entering the device interior, reducing the risk of pollution.

[0019] The design of the limiting plate allows users to remove the restriction on the front cover by simple operation, and the front opening is arranged to facilitate the user's hand to insert and pull the pull plate, improving the convenience of operation.

[0020] The design of the air inlet warehouse changes the direction of the air inlet, reduces the wind speed, effectively reduces the generation of noise, and improves the overall performance of the device. DRAWINGS

[0021] Figure 1 It is a whole structure perspective view of the utility model;

[0022] Figure 2 It is a whole structure cross-sectional perspective view of the utility model;

[0023] Figure 3It is front main view three-dimensional schematic diagram of the utility model front cover structure;

[0024] Figure 4 It is back main view three-dimensional schematic diagram of the utility model filter core structure;

[0025] Figure 5 It is three-dimensional schematic diagram of the utility model limiting plate structure;

[0026] Figure 6 It is the utility model Figure 1 It is A structure enlarged schematic diagram.

[0027] In the drawing: 1, air inlet pipe;11, through groove;12, limiting plate;13, connecting spring;14, pull plate;15, front opening;16, positioning plate;2, front cover;21, air inlet channel;22, limiting groove;23, bottom positioning block;24, side positioning block;3, filter core;31, strip-shaped pull opening;4, air inlet bin;41, ventilation slot. Specific implementation

[0028] In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] Refer to the drawings Figures 1-6 A kind of front cover structure of workshop gas filter device can be turned over, including the air inlet pipe 1 being set at the front end of filter device, rotatingly connected with front cover 2 in air inlet pipe 1 intake, filter core 3 is installed at the back of front cover 2, for filtering into gas, front cover 2 is equipped with several air inlet channels 21, these air inlet channels 21 are evenly distributed, for guiding airflow to flow to filter core 3 evenly, when filter core 3 is cleaned, only need to turn over front cover 2, filter core 3 can be turned over simultaneously out of air inlet pipe 1, filter core 3 can be cleaned without disassembling front cover 2, greatly improve the convenience and efficiency of cleaning;

[0030] Filter core 3 includes the fence of periphery and the mesh filter structure of middle part, wherein fence completely surrounds the edge of several air inlet channels 21, to make that air entering through air inlet pipe 1 can only flow out through mesh filter structure, to avoid that air inlet is not filtered effectively and then enters the inside of filter device, avoid potential pollution risk at the same time, make mesh filter structure maximum limit play its filtering efficiency.

[0031] In the embodiment, a through groove 11 penetrating the upper surface of the air inlet pipe 1 is formed on the upper side of the air inlet of the air inlet pipe 1, and a limit plate 12 capable of ascending and descending is arranged in the through groove 11, the limit plate 12 abuts against the upper part of the front side of the front cover 2 to limit the overturning of the front cover 2 outward of the air inlet pipe 1, and a positioning plate 16 extending downward is arranged on the upper side of the air inlet of the air inlet pipe 1, the positioning plate 16 abuts against the upper part of the rear side of the front cover 2 to limit the overturning of the front cover 2 inward of the air inlet pipe 1, and the limit plate 12 is controlled to move upward in the through groove 11 so that the limit plate 12 does not block the front side of the front cover 2, at this time, the front cover 2 can be overturned outward of the air inlet pipe 1, at this time, the filter element 3 is overturned out of the air inlet pipe 1, which facilitates the quick and convenient overturning of the filter element 3 for cleaning, and greatly improves the cleaning efficiency.

[0032] In the embodiment, the top of the limit plate 12 is connected with the top of the inner cavity of the through groove 11 through a connecting spring 13, the connecting spring 13 provides a downward reset force for the limit plate 12 to keep the limit plate 12 fixed to the front side of the front cover 2, and the top of the limit plate 12 is connected with a pull plate 14 through a vertical rod, the pull plate 14 is located on the upper side of the air inlet pipe 1, when the user needs to overturn the front cover 2, the user only needs to pull the pull plate 14 upward to release the limit of the limit plate 12 to the front cover 2, and the operation is more convenient.

[0033] In the embodiment, a front opening 15 is formed on the top of the front side of the air inlet pipe 1 corresponding to the pull plate 14, the front opening 15 is located below the pull plate 14 to leave a space for the fingers to insert into the bottom of the pull plate 14, which facilitates the user to insert the hand into the front opening 15 and pull the pull plate 14 upward.

[0034] In the embodiment, a limit groove 22 matched with the limit plate 12 is formed on the top of the front side of the front cover 2, the limit groove 22 is attached to the side wall of the limit plate 12, and both of them are vertical surfaces to increase the attachment area and improve the fixing stability of the limit plate 12 to the front cover 2.

[0035] In the embodiment, the front cover 2 and the filter element 3 are detachably connected, the filter element 3 is removed after overturning to facilitate the cleaning or replacement of the new filter element 3 on both sides, the bottom of the back of the front cover 2 is provided with a bottom positioning block 23 for the fence of the filter element 3 to insert into, and the two sides of the back of the front cover 2 are provided with side edge positioning blocks 24 attached to the fence of the filter element 3, and the filter element 3 can be separated from the front cover 2 by pulling the filter element 3 away from the bottom positioning block 23, which facilitates the cleaning or replacement of the filter element 3.

[0036] In the embodiment, the side edge positioning block 24 has an L-shaped structure, and the two side edges thereof are respectively attached to the side edge and the rear side of the fence of the filter element 3 to ensure the tightness or stability of the installation of the filter element 3.

[0037] In the embodiment, a strip-shaped pulling opening 31 is formed on the filter core 3, a user inserts fingers into the strip-shaped pulling opening 31 to pull the filter core 3, so as to facilitate the force to pull the filter core 3 out of the front cover 2, the strip-shaped pulling opening 31 is arranged in a staggered manner with the air inlet channel 21, so as to avoid that the air directly passes through the strip-shaped pulling opening 31 without being filtered to enter the device.

[0038] In the embodiment, the back of the air inlet pipe 1 is provided with an air inlet bin 4, the size of the air inlet bin 4 gradually decreases away from the air inlet pipe 1, and a ventilation slot 41 for air passing is formed at the bottom of the air inlet bin 4, so as to change the direction of the air inlet, thereby reducing the wind speed and reducing the generation of noise.

[0039] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0040] The above embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A reversible front cover structure of a plant gas filter device, comprising an air inlet pipe (1) arranged at the front end of the filter device, characterized in that: The front cover (2) is rotationally connected in the air inlet of the air inlet pipe (1), the back of the front cover (2) is attached with a filter core (3) for filtering the entering air, a plurality of air inlet channels (21) are formed in the front cover (2) for guiding the air flow to the filter core (3), the filter core (3) comprises a fence at the periphery and a mesh filter structure at the middle, wherein the fence completely surrounds the edges of the plurality of air inlet channels (21) so that the air entering through the air inlet pipe (1) can only flow out through the mesh filter structure; A through groove (11) is formed in the upper side of the air inlet of the air inlet pipe (1) and extends through the upper surface of the air inlet pipe (1), a liftable limiting plate (12) is arranged in the through groove (11), the limiting plate (12) abuts against the upper part of the front side of the front cover (2) to limit the overturning of the front cover (2) out of the air inlet pipe (1), a positioning plate (16) extending downward is arranged on the upper side of the air inlet of the air inlet pipe (1), the positioning plate (16) abuts against the upper part of the back side of the front cover (2) to limit the overturning of the front cover (2) into the air inlet pipe (1). The top of the limiting plate (12) is connected with the top of the inner cavity of the through groove (11) through a connecting spring (13), the top of the limiting plate (12) is connected with a pull plate (14) through a vertical rod, and the pull plate (14) is located on the upper side of the air inlet pipe (1).

2. A reversible front cover structure for a plant gas filter apparatus as defined in claim 1, characterized in that: A front opening (15) is formed in the top of the front side of the air inlet pipe (1) corresponding to the pull plate (14), the front opening (15) is located below the pull plate (14) so that the bottom of the pull plate (14) has a space for inserting fingers.

3. A reversible front cover structure for a plant gas filter apparatus as defined in claim 2, wherein: A limiting groove (22) is formed in the top of the front side of the front cover (2) corresponding to the limiting plate (12), the limiting groove (22) is attached with the side wall of the limiting plate (12), and both the attached side walls are vertical surfaces to increase the attached area.

4. A reversible front cover structure for a plant gas filter apparatus according to any one of claims 1-3, characterized in that: The front cover (2) and the filter core (3) are detachably connected, the bottom of the back of the front cover (2) is provided with a bottom positioning block (23) for inserting the fence of the filter core (3), and the two sides of the back of the front cover (2) are provided with side edge positioning blocks (24) attached with the fence of the filter core (3).

5. A reversible front cover structure for a plant gas filter apparatus as defined in claim 4, wherein: The side edge positioning blocks (24) are L-shaped structures, and the two side edges thereof are respectively attached with the side edges and the back side of the fence of the filter core (3).

6. A reversible front cover structure for a plant gas filter apparatus as defined in claim 5, wherein: A strip-shaped pulling opening (31) is formed in the filter core (3), and the strip-shaped pulling opening (31) is arranged in a staggered manner with the air inlet channel (21).

7. A reversible front cover structure for a plant gas filter apparatus as defined in claim 1, wherein: The back of the air inlet pipe (1) is provided with an air inlet bin (4), the side of the air inlet bin (4) away from the air inlet pipe (1) gradually reduces in size, and a ventilation groove (41) for passing air is formed in the bottom of the air inlet bin (4) to change the direction of the air inlet.

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