Gas filter capable of preventing mesh plate from being blocked
By introducing an anti-clogging mechanism into the gas filter, impurities are shaken off using a drive motor and a striking frame, thus solving the problem of screen clogging and improving filter efficiency and the continuity of chemical production.
Patent Information
- Application Number
- CN202520304452.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing gas filters are prone to clogging in chemical production, leading to frequent disassembly and cleaning, increased maintenance costs, and impact on production continuity and stability.
The anti-clogging mechanism includes a drive motor, a rotating shaft, a support shaft, a striking frame, and a return spring. The drive motor drives the rotating shaft to rotate, and the gear set and return spring cause the striking frame to swing back and forth, shaking off impurities on the filter screen to the collection box to prevent clogging.
This reduced the frequency of screen disassembly and cleaning, improved the working efficiency of the gas filter, and ensured the continuity and stability of chemical production.
Smart Images

Figure CN223874668U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gas filter technical field, concretely is a kind of gas filter that can prevent screen board blockage. BACKGROUND
[0002] In chemical production process, raw materials and reaction gas often contain impurities, toxic and harmful or flammable and explosive components, if not filtered effectively, it will be discharged or recycled, which will seriously threaten production safety and personnel health, therefore, gas filtration as a key link to ensure production safety and improve product quality, its importance is increasingly prominent. Gas filter is a kind of device specially used for removing impurities, particles and harmful components in gas, and is widely used in chemical safety engineering field, such as chemical raw material treatment, reaction process control, waste gas emission treatment and other links.
[0003] According to the announcement number CN213790450U, a kind of inert gas filter convenient to install, including filter body and two lock catch components, filter body's front and back two sides are provided with air inlet pipe and exhaust pipe, the upper end of filter body is provided with sealing cover, the inside of filter body is provided with double-layer partition, double-layer partition divides filter body into left filter chamber and right filter chamber, filter screen board is inserted in double-layer partition, filter screen board contacts filter body inside bottom end;Lock catch component includes fixed block and fixed bolt, fixed block is installed on both sides of sealing cover, the inside lower end of fixed block is provided with sliding slot, sliding slot is provided with clamping plate, fixed bolt is connected on clamping plate from the lower end of fixed block, by double-layer partition, the inside of filter body is separated by U type, gas is retained in filter, the filter diameter is increased, the filter effect of filter is improved, and the inside is cleaned and repaired by the sealing cover that can be opened.
[0004] For the above-mentioned related scheme, the filter screen board is disassembled through the sealable sealing cover to clean the filter screen board, thereby preventing the filter screen board from being blocked, however, this traditional maintenance method has obvious limitations in actual application. Due to the complexity of chemical production environment, impurities are easy to accumulate on the filter screen board, which needs to be frequently disassembled and cleaned to maintain the filtering efficiency. However, this process is time-consuming and labor-intensive, not only increases the maintenance cost, but also seriously reduces the working efficiency of the gas filter, and affects the continuity and stability of chemical production. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims to provide a kind of gas filter that can prevent screen board blockage to solve the technical problems proposed in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a gas filter capable of preventing mesh plate from being blocked, including filter case, air inlet, gas outlet and filter screen, the both sides of filter case are provided with air inlet and gas outlet respectively, the inside of filter case is installed with filter screen, the top of two filter screen is provided with top plate, the inside of filter case is provided with bolt with top plate,
[0007] The inside of filter case is provided with anti -blocking mechanism, anti -blocking mechanism includes drive motor, pivot, support shaft, knock frame, support block and return spring, pivot, support shaft all are rotatably connected through bearing in the inside of filter case, and the outside of pivot and support shaft is equipped with gear set with missing teeth, the outside of support shaft is equipped with knock frame.
[0008] Preferably, the front end of the filter box is provided with a driving motor, and the output end of the driving motor is connected with the pivot through a shaft coupling.
[0009] Preferably, the side of the knock frame close to the filter screen is provided with an elastic sleeve, and the elastic sleeve is made of flexible rubber material.
[0010] Preferably, the outside of the two pivots is provided with a belt pulley set constituting a transmission structure, and the belt pulley set is composed of a belt pulley and a transmission belt.
[0011] Preferably, one side of the support shaft is provided with a support block, and a return spring constituting an elastic structure is connected between the support block and the filter box, and the return spring is provided in an arc shape.
[0012] Preferably, the bottom end of the filter box is provided with a support groove, and the inside of the support groove is clamped and connected with a support plate, and the bottom end of the two support plates is provided with a collection box.
[0013] Preferably, one side of the inside of the filter box close to the air inlet is provided with a guide plate, and the guide plate is provided in an inverted "V" shape, and one side of the inside of the filter box away from the air inlet is provided with a shunt plate.
[0014] In summary, the utility model mainly has the following beneficial effects:
[0015] The utility model discloses a filter box, air inlet, gas outlet and filter screen, the both sides of filter case are provided with air inlet and gas outlet respectively, the inside of filter case is installed with filter screen, the top of two filter screen is provided with top plate, the inside of filter case is provided with bolt with top plate, The output end of the driving motor drives the two pivots to rotate under the action of the belt pulley set when the driving motor works, the outside surfaces of the pivot and the support shaft are provided with the gear set with missing teeth, and the support block and the filter box are elastically connected through the return spring, so that the support shaft and the knock frame make reciprocating swing motion, thereby the larger particle impurities on the filter screen can be shaken off into the collection box in real time through the knock frame, so as to prevent the filter screen from being blocked, and the frequency of dismounting and cleaning the filter screen can be reduced, the working efficiency of the gas filter is improved, and the continuity and stability of the chemical production are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three-dimensional cut structure schematic view of the utility model;
[0017] Figure 2 It is the three-dimensional structure schematic view of the utility model;
[0018] Figure 3 It is the three-dimensional structure schematic view of the utility model's anti-blocking mechanism;
[0019] Figure 4 It is the main view cut drawing of the utility model.
[0020] In the drawing: 1, filter box; 2, air inlet; 3, air outlet; 4, filter screen; 5, deflector; 6, shunt plate; 7, anti-blocking mechanism; 701, drive motor; 702, rotating shaft; 703, gear set; 704, support shaft; 705, knocking frame; 706, support block; 707, return spring; 708, pulley set; 8, top plate; 9, bolt; 10, collection box; 11, support plate; 12, support groove. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model and cannot be understood as limiting the utility model.
[0022] The embodiments of the utility model will be described below according to the overall structure of the utility model.
[0023] A gas filter capable of preventing filter screen from being blocked, as shown in Figure 1 、 Figure 2 and Figure 4 , comprising a filter box 1, an air inlet 2, an air outlet 3 and a filter screen 4, characterized in that: the filter box 1 is provided with an air inlet 2 and an air outlet 3 on both sides respectively, the inside of the filter box 1 is installed with a filter screen 4, the top end of the two filter screens 4 is provided with a top plate 8, and the inside of the filter box 1 is provided with a bolt 9.
[0024] As can be seen from Figure 1 、 Figure 2 and Figure 4 , after the air inlet 2 and the air outlet 3 of the filter box 1 are connected with the required equipment, the gas to be filtered is introduced into the filter box 1, so as to realize multiple filtering treatment of the gas through the filter screens 4 with successively reduced pore sizes, and since the top plate 8 is connected with the filter box 1 through the bolt 9, the filter screen 4 is convenient to disassemble.
[0025] As can be seen from Figures 1-4It can be known that the inner side of the filter box 1 is provided with the anti-blocking mechanism 7, the anti-blocking mechanism 7 comprises a driving motor 701, a rotating shaft 702, a supporting shaft 704, a knocking frame 705, a supporting block 706 and a reset spring 707, the rotating shaft 702 and the supporting shaft 704 are both rotatably connected to the inner side of the filter box 1 through bearings, and the outer sides of the rotating shaft 702 and the supporting shaft 704 are sleeved with the gear set 703, the outer side of the supporting shaft 704 is sleeved with the knocking frame 705, the front end of the filter box 1 is provided with the driving motor 701, the output end of the driving motor 701 is connected with the rotating shaft 702 through a shaft coupling, the outer sides of the two rotating shafts 702 are sleeved with the belt pulley set 708 constituting a transmission structure, and the belt pulley set 708 is composed of a belt pulley and a transmission belt, one side of the supporting shaft 704 is provided with the supporting block 706, the supporting block 706 and the filter box 1 are connected with the reset spring 707 constituting an elastic structure, and the reset spring 707 is arranged in an arc structure.
[0026] Referring to Figures 1-4 It can be known that when the driving motor 701 works, the output end of the driving motor 701 drives the two rotating shafts 702 to rotate under the action of the belt pulley set 708, since the outer surfaces of the rotating shaft 702 and the supporting shaft 704 are provided with the gear set 703, and the supporting block 706 is elastically connected with the filter box 1 through the reset spring 707, the supporting shaft 704 and the knocking frame 705 make reciprocating swing movement, so that the larger particle impurities on the filter screen plate 4 can be shaken and fallen into the collecting box 10 through the knocking frame 705 in real time, so as to prevent the filter screen plate 4 from being blocked, and the frequency of dismounting and cleaning the filter screen plate 4 can be reduced, the working efficiency of the gas filter is improved, and the continuity and stability of the chemical production are ensured.
[0027] Referring to Figure 1 , Figure 3 and Figure 4 It can be known that the elastic sleeve is sleeved with the knocking frame 705 close to the filter screen plate 4, and the elastic sleeve is made of flexible rubber material, which can play a role in protecting the filter screen plate 4 and preventing the filter screen plate 4 from being damaged by knocking, thereby prolonging the service life of the filter screen plate 4.
[0028] Referring to Figure 1 , Figure 2 and Figure 4 It can be known that the bottom end of the filter box 1 is provided with the supporting groove 12, the supporting groove 12 is internally clamped and connected with the supporting plate 11, the bottom end of each of the two supporting plates 11 is provided with the collecting box 10, the impurities shaken and fallen are collected through the collecting box 10, and the collecting box 10 is detachable, so that the impurities can be concentratedly treated.
[0029] Referring to Figure 1 and Figure 4It can be known that the inside of the filter box 1 is provided with a flow guide plate 5 near the side of the air inlet 2, and the flow guide plate 5 is provided as an inverted "V" structure, and the inside of the filter box 1 is provided with a flow distribution plate 6 away from the side of the air inlet 2;
[0030] Referring to Figure 1 and Figure 4 It can be known that the flow guide plate 5 and the flow distribution plate 6 realize the flow guide and flow distribution of the gas, so that the gas uniformly passes through the filter screen plate 4, thereby facilitating the improvement of the filtering effect.
[0031] The working principle of the utility model is that when the gas filter capable of preventing the filter screen plate from being blocked is used, the air inlet 2 and the air outlet 3 of the filter box 1 are connected with the required equipment, and then the gas to be filtered is introduced into the filter box 1, so that the multiple filtering treatment of the gas is realized through the filter screen plate 4 with the gradually reduced hole diameter, and in the process, the flow guide plate 5 and the flow distribution plate 6 realize the flow guide and flow distribution of the gas, so that the gas uniformly passes through the filter screen plate 4, thereby facilitating the improvement of the filtering effect.
[0032] At the same time, the driving motor 701 is started, so that the output end of the driving motor 701 drives the two rotating shafts 702 to rotate under the action of the belt pulley set 708, and under the cooperation of the toothless gear set 703 and the reset spring 707, the supporting shaft 704 and the knocking frame 705 make reciprocating swing movement, so that the larger particle impurities on the filter screen plate 4 can be shaken and fallen into the collecting box 10 through the knocking frame 705 in real time, so as to prevent the filter screen plate 4 from being blocked, and the contents not described in detail in the description belong to the prior art known to the person skilled in the art.
[0033] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.
Claims
1. A gas filter capable of preventing the filter screen from being blocked, comprising a filter box (1), an air inlet (2), an air outlet (3) and a filter screen (4), characterized in that: Both sides of the filter box (1) are respectively provided with air inlet (2) and air outlet (3), the inside of the filter box (1) is provided with filter screen plate (4), the top end of two filter screen plates (4) is provided with top plate (8), the inside of the top plate (8) and the filter box (1) is provided with bolt (9); The inside of the filter box (1) is provided with anti-blocking mechanism (7), the anti-blocking mechanism (7) comprises driving motor (701), rotating shaft (702), support shaft (704), knocking frame (705), support block (706) and reset spring (707), the rotating shaft (702) and the support shaft (704) are both rotatably connected to the inside of the filter box (1) through bearings, and the outside of the rotating shaft (702) and the support shaft (704) is sleeved with gear set (703), the outside of the support shaft (704) is sleeved with knocking frame (705).
2. A gas filter capable of preventing clogging of a mesh according to claim 1, characterized by: The front end of the filter box (1) is provided with driving motor (701), and the output end of the driving motor (701) is connected with the rotating shaft (702) through the shaft coupling.
3. The gas filter capable of preventing the mesh from being blocked according to claim 1, wherein: The side of the knocking frame (705) close to the filter screen plate (4) is sleeved with elastic sleeve, and the elastic sleeve is made of flexible rubber material.
4. The gas filter capable of preventing the mesh from being blocked according to claim 2, wherein: The outside of the two rotating shafts (702) is sleeved with belt pulley set (708) constituting a transmission structure, and the belt pulley set (708) is composed of belt pulley and transmission belt.
5. The gas filter capable of preventing the mesh from being blocked according to claim 1, wherein: One side of the support shaft (704) is provided with support block (706), the support block (706) and the filter box (1) are connected with reset spring (707) constituting elastic structure, and the reset spring (707) is provided as arc structure.
6. The gas filter capable of preventing the mesh from being blocked according to claim 1, wherein: The bottom end of the filter box (1) is provided with support groove (12), the inside of the support groove (12) is clamped and connected with support plate (11), and the bottom end of two support plates (11) is provided with collecting box (10).
7. The gas filter capable of preventing the mesh from being blocked according to claim 1, wherein: The inside of the filter box (1) is provided with guide plate (5) close to the air inlet (2), and the guide plate (5) is provided as inverted "V" shape structure, and the inside of the filter box (1) is provided with shunt plate (6) away from the air inlet (2).
Citation Information
Patent Citations
Inert gas filter convenient to install
CN213790450U