Waste gas treatment device with filter element convenient to replace
By introducing a quick-replacement structure into the exhaust gas treatment device, the problem of difficult filter replacement and maintenance has been solved, enabling rapid filter replacement and improved sealing performance, and simplifying the operation process.
Patent Information
- Application Number
- CN202520426841.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-12
AI Technical Summary
The replacement and maintenance of filter elements in existing exhaust gas treatment devices are difficult, especially when the internal space of the housing is limited, making operation inconvenient.
A quick-change structure was designed, including an assembly guide rail, panel, through groove, sealing groove, filter element unit, sealing plate, handle, pin, spring, slide button and plug groove. These components enable convenient installation and removal of the filter element unit, avoiding direct operation of the filter chamber.
It enables quick filter replacement, reduces maintenance difficulty, improves operational convenience and sealing performance, and reduces reliance on tools.
Smart Images

Figure CN223901488U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste gas treatment device technical field, concretely is a kind of waste gas treatment device of filter element convenient to replace. BACKGROUND
[0002] The waste gas generated in the industrial production process needs to be pretreated by waste gas treatment device, and the waste gas treatment device usually uses filter element to adsorb and purify the waste gas to adapt to the subsequent treatment process.
[0003] The existing patent application No.202121407046.7 is a kind of waste gas filter for high-temperature waste gas treatment, including waste gas filter main part, the filter plate is arranged on the waste gas filter main part, the pull handle is arranged on the outer wall of the both ends of waste gas filter main part, the protection assembly is fixed on the outer wall of waste gas filter main part, the dismounting assembly is fixed on the outer wall of both sides of waste gas filter main part, the pull handle is fixed on the outer wall of waste gas filter main body through dismounting assembly.
[0004] The above-mentioned patent records a kind of waste gas treatment device, in actual application process, filter element unit in waste gas treatment device needs to be replaced regularly, its mode generally needs to enter the shell interior by maintenance board door and carry out dismounting action, but the limited space in shell interior leads to the inconvenience of dismounting operation, make the replacement operation of filter element unit exist inconvenience, maintenance difficulty is greater in later period, for this, we propose a kind to be convenient for replacing filter element waste gas treatment device to solve the above problems. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of waste gas treatment device convenient to replace filter element to solve the problems raised in the above background.
[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A kind of waste gas treatment device of filter element convenient to replace, including filter bin, air inlet, exhaust port and quick replacement structure, the left end of the filter bin is equipped with air inlet, the right end of the filter bin is equipped with exhaust port, the front of the filter bin is provided with quick replacement structure, the quick replacement structure includes assembly guide rail, panel, through slot, seal groove, filter element unit, sealing plate, handle, connecting groove, latch, spring, slide button, plug-in slot and plug-in interface, the inside upper and lower wall surface of the filter bin is symmetrically equipped with assembly guide rail, the front opening position of the filter bin is encapsulated with panel, the back of the panel is provided with through slot, and through slot is aligned with the position of assembly guide rail, the front of the panel is provided with seal groove, and seal groove is communicated with the inner side of through slot, the filter element unit can pass through seal groove and through slot and slide into the inner side of assembly guide rail, the front of the filter element unit is screw-mounted with sealing plate, and sealing plate can be covered into the inner side of seal groove, the front of the sealing plate is equipped with handle, the left side wall of the seal groove is horizontally provided with connecting groove, and the inner side of connecting groove is slidably equipped with latch, and the spring is arranged between the latch and connecting groove, one end of the spring is connected and fixed with connecting groove, and the other end of the spring is connected and fixed with latch, the front of the panel is slidably equipped with slide button, and slide button is located at the left side of seal groove, the slide button is extended into connecting groove and is connected and fixed with latch, the right side wall of the seal groove is provided with plug-in slot, the plug-in interface is provided through the left and right sides of the sealing plate, and the tail end of the latch can be inserted into plug-in slot through plug-in interface.
[0007] Preferably, the depth of the inner side of the assembly guide rail is ≥5mm.
[0008] Preferably, the back of the sealing plate is paved with rubber pad on the left and right sides, and the thickness of the rubber pad is ≥2mm.
[0009] Preferably, the width of the seal groove is at least 2 times the width of the through slot, and the size of the sealing plate and the seal groove is matched.
[0010] Preferably, the depth of the connecting groove is at least 2 times the length of the latch.
[0011] Preferably, the connection length of the latch and the plug-in slot is ≥2cm.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] The utility model discloses a quick replacement structure is provided on the front of filter bin, and the filter core unit is pushed into the inside of assembly guide rail through the through groove, and the filter core unit is assembled into the inside of filter bin along with assembly guide rail, when the filter core unit is completely assembled, the sealing plate is covered into the inside of sealing groove and is closed, guarantees the airtight performance of filter bin inside, finally, the slide button is loosened and utilizes the elastic force of spring recovery deformation to drive the bolt to move reset, and the bolt end is inserted into the plug-in groove through the plug-in interface, so that the sealing plate and sealing groove are locked and fixed, and the replacement work of filter core unit can be completed, and the external tool is not needed in the process, and the inside of filter bin is not needed to dismount, greatly reduce the difficulty of later maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the whole structure schematic diagram of the utility model;
[0015] Figure 2 It is the inside structure schematic diagram of filter bin in the utility model;
[0016] Figure 3 It is the structure schematic diagram of faceplate in the utility model;
[0017] Figure 4 It is the front view cross section structure schematic diagram of connecting groove in the utility model;
[0018] Figure 5 It is the structure schematic diagram of filter core unit in the utility model.
[0019] In the drawing: filter bin-1, air inlet-2, exhaust port-3, quick replacement structure-4, assembly guide rail-41, faceplate-42, through groove-43, sealing groove-44, filter core unit-45, sealing plate-46, handle-47, connecting groove-48, bolt-49, spring-410, slide button-411, plug-in groove-412, plug-in interface-413. DETAILED DESCRIPTION
[0020] In order to further explain the technical scheme of the utility model, the following is in detail by specific embodiment.
[0021] Please refer to Figure 1 The utility model provides a kind of waste gas treatment device of filter core convenient to replace, including filter bin 1, air inlet 2, exhaust port 3 and quick replacement structure 4, filter bin 1 left end is equipped with air inlet 2, filter bin 1 right end is equipped with exhaust port 3, and filter bin 1 front is provided with quick replacement structure 4.
[0022] Please refer to Figures 2-5The utility model provides a kind of waste gas treatment device of filter element convenient to replace, quick replacement structure 4 includes assembly guide rail 41, panel 42, through slot 43, seal groove 44, filter element unit 45, sealing plate 46, handle 47, connecting groove 48, latch 49, spring 410, slide button 411, plug-in slot 412 and plug-in interface 413, assembly guide rail 41 is symmetrically installed in filter bin 1 inside upper and lower wall surface, filter bin 1 front opening position is encapsulated with panel 42, through slot 43 is opened in the back of panel 42, and through slot 43 is aligned with assembly guide rail 41 position, and seal groove 44 is opened in the front of panel 42, and seal groove 44 is communicated with the inside of through slot 43, and filter element unit 45 can pass through seal groove 44 and through slot 43 and enter the inside of filter bin 1 and slide and embed the inside of assembly guide rail 41, and sealing plate 46 is installed in the front of filter element unit 45, and sealing plate 46 can be covered into the inside of seal groove 44, to close through slot 43, guarantee the airtight performance in the inside of filter bin 1, and handle 47 is installed in the front middle part of sealing plate 46, and connecting groove 48 is horizontally provided in the left side wall of seal groove 44, and latch 49 is slidably installed in the inside of connecting groove 48, and spring 410 is arranged between latch 49 and connecting groove 48, and one end of spring 410 is connected and fixed with connecting groove 48, and the other end of spring 410 is connected and fixed with latch 49, and slide button 411 is slidably installed in the front of panel 42, and slide button 411 is located in the left side of seal groove 44, and slide button 411 is extended into connecting groove 48 and is connected and fixed with latch 49, and plug-in slot 412 is opened in the right side wall of seal groove 44, and plug-in interface 413 is provided through in the left and right sides of sealing plate 46, and the end of latch 49 can pass through plug-in interface 413 and is plugged into plug-in slot 412, to lock and fix sealing plate 46 and seal groove 44, and connection is stable and installation is quick.
[0023] Further explanation, the inside depth of assembly guide rail 41 is greater than or equal to 5mm, to ensure the installation stability of filter element unit 45 and assembly guide rail 41.
[0024] Rubber pad is laid in the back left and right sides of sealing plate 46, and the thickness of rubber pad is greater than or equal to 2mm, and rubber pad can be filled in the gap between sealing plate 46 and seal groove 44, so that sealing plate 46 and seal groove 44 are tightly closed, and the airtight performance is enhanced.
[0025] The width of seal groove 44 in the embodiment is at least 2 times the width of through slot 43, and the size of sealing plate 46 and seal groove 44 is matched, to ensure the airtight performance of sealing plate 46 and seal groove 44.
[0026] The depth of connecting groove 48 is at least 2 times the length of latch 49, to ensure that latch 49 can be smoothly pulled back into the inside of connecting groove 48.
[0027] It should be noted that the connection length of latch 49 and plug-in slot 412 in the embodiment is greater than or equal to 2cm, to ensure that plug-in is stable and not easy to loosen and fall off.
[0028] Working principle is as follows:
[0029] In use, the exhaust gas enters the filter bin 1 through the air inlet 2, and the filter core unit 45 arranged in the inside of the assembly guide rail 41 adsorbs and purifies the passing exhaust gas, and the purified gas is discharged from the filter bin 1 through the air outlet 3, thereby realizing the exhaust gas treatment.
[0030] By arranging the quick replacement structure 4 on the front of the filter bin 1, the filter core unit 45 needs to be replaced regularly to ensure the purification efficiency, and when the replacement operation is performed, first, the slide button 411 is used to pull the latch 49 to retract into the inside of the connecting groove 48, so that the sealing plate 46 is unlocked with the sealing groove 44, the handle 47 is used to take out the filter core unit 45 from the inside of the filter bin 1 through the through groove 43, then the replaced filter core unit 45 is pushed into the inside of the assembly guide rail 41 through the through groove 43, so that the filter core unit 45 is assembled into the inside of the filter bin 1 along the assembly guide rail 41, when the filter core unit 45 is completely assembled, the sealing plate 46 is closed into the inside of the sealing groove 44 to ensure the sealing performance of the inside of the filter bin 1, finally, the slide button 411 is loosened, the spring 410 is used to restore the elastic force of the deformation to drive the latch 49 to move and reset, so that the end of the latch 49 is inserted into the insertion slot 412 through the insertion port 413, thereby locking and fixing the sealing plate 46 with the sealing groove 44, and the replacement operation of the filter core unit 45 is completed, and in the process, no external tool is needed, and no disassembly and assembly in the inside of the filter bin 1 is needed, thereby greatly reducing the difficulty of the later maintenance.
[0031] The above is only the preferred example of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An exhaust gas treatment device that facilitates filter replacement, comprising a filter chamber (1), an air inlet (2) and an exhaust outlet (3), wherein the filter chamber (1) is provided with an air inlet (2) at its left end and an exhaust outlet (3) at its right end. Its features are: It also includes a quick-change structure (4), which is provided on the front of the filter chamber (1). The quick-change structure (4) includes an assembly guide rail (41), a panel (42), a through groove (43), a sealing groove (44), a filter element unit (45), a sealing plate (46), a handle (47), a connecting groove (48), a pin (49), a spring (410), a sliding button (411), a plug groove (412), and a plug interface (413). The upper and lower walls inside the filter chamber (1) are symmetrically mounted. Equipped with an assembly guide rail (41), the filter chamber (1) has a panel (42) encapsulated at the front opening. A through groove (43) is opened on the back of the panel (42), aligned with the assembly guide rail (41). A sealing groove (44) is opened on the front of the panel (42), communicating with the inner side of the through groove (43). The filter element unit (45) can pass through the sealing groove (44) and the through groove (43) into the filter chamber (1) and slide into the inner side of the assembly guide rail (41). A sealing plate (46) is screwed onto the front of the filter element unit (45). The sealing plate (46) can be closed into the inside of the sealing groove (44). A handle (47) is installed in the center of the front of the sealing plate (46). A connecting groove (48) is horizontally provided on the left side wall of the sealing groove (44). A pin (49) is slidably installed inside the connecting groove (48). A spring (410) is provided between the pin (49) and the connecting groove (48). One end of the spring (410) is connected and fixed to the connecting groove (48), and the other end of the spring (410) is fixed to the connecting groove (48). The end is connected and fixed to the pin (49). A sliding button (411) is slidably installed on the front of the panel (42). The sliding button (411) is located on the left side of the sealing groove (44). The sliding button (411) extends into the connecting groove (48) and is connected and fixed to the pin (49). A plug-in groove (412) is opened on the right side wall of the sealing groove (44). A plug-in interface (413) is provided through the left and right sides of the sealing plate (46). The end of the pin (49) can pass through the plug-in interface (413) and plug into the plug-in groove (412).
2. The exhaust gas treatment device with easy filter element replacement according to claim 1, characterized in that: The inner depth of the assembly guide rail (41) is ≥5mm.
3. The exhaust gas treatment device with easy filter element replacement according to claim 1, characterized in that: The sealing plate (46) has rubber pads on the left and right sides of its back, and the thickness of the rubber pads is ≥2mm.
4. The exhaust gas treatment device with easy filter element replacement according to claim 1, characterized in that: The width of the sealing groove (44) is at least twice the width of the through groove (43), and the sealing plate (46) matches the size of the sealing groove (44).
5. The exhaust gas treatment device with easy filter element replacement according to claim 1, characterized in that: The depth of the connecting groove (48) is at least twice the length of the pin (49).
6. The exhaust gas treatment device with easy filter element replacement according to claim 1, characterized in that: The connection length between the pin (49) and the slot (412) is ≥2cm.
Citation Information
Patent Citations
Waste gas filter for high-temperature waste gas treatment
CN214019716U