Filtering device for heating and ventilation engineering

Abstract

The utility model relates to the technical field of heating and ventilation engineering, and provides a filtering device for heating and ventilation engineering, which comprises a shell and an inner interlayer, the inner interlayer is arranged in the shell, a connecting assembly is arranged outside the shell, a filtering assembly is arranged in the shell, the filtering assembly comprises a through hole, and the through hole is formed in the surface of the inner interlayer. The side surface of the shell is provided with a pair of mounting ports, the upper end and the lower end of the side surface of the inner interlayer are each provided with a pair of round rods, and the round rods are sleeved with filter screens in a sliding mode. According to the technical scheme, the problems that in the prior art, when an existing filtering device is replaced or cleaned, after heating and ventilation equipment is turned off, a worker disassembles the whole device and then replaces or cleans the device, the operation state of the whole equipment can be affected by restarting, time is wasted, and the working efficiency is reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating and ventilation engineering, and specifically to a filtering device used in heating and ventilation engineering. Background Art

[0002] HVAC projects are usually used for heating or ventilation, and during the construction of HVAC projects, filtering devices are needed to filter the air.

[0003] At present, the work of HVAC engineering mainly involves heating, air conditioning and ventilation projects in construction projects, which include heating, ventilation, exhaust, air supply, smoke exhaust, air conditioning, cooling and other types of work.

[0004] There are a lot of pollutants in the air. When ventilating, the air needs to be filtered to remove the pollutants in the air. However, when replacing or cleaning the existing filtering device, the staff will shut down the HVAC equipment and disassemble the entire device for replacement or cleaning. Restarting it will affect the overall operation status of the equipment, waste time and reduce work efficiency. Utility Model Content

[0005] The utility model proposes a filtering device for HVAC engineering, which solves the problem that the existing filtering devices in the related art need to be replaced or cleaned after the HVAC equipment is turned off, and the staff disassembles the entire device for replacement or cleaning. Restarting the device will affect the operating state of the entire equipment, waste time, and reduce work efficiency.

[0006] The technical solution of the utility model is as follows:

[0007] An outer shell and an inner partition, wherein the inner partition is arranged inside the outer shell;

[0008] A connection component, wherein the connection component is arranged outside the housing;

[0009] A filter assembly is arranged inside the shell, the filter assembly includes a through port, the through port is opened on the surface of the inner partition layer, a pair of mounting ports are opened on the side surface of the shell, a pair of round rods are arranged at the upper and lower ends of the side surface of the inner partition layer, and a filter net is connected to the outer sliding sleeve of the round rods.

[0010] As a further technical solution, a closing plate is slidably connected to the outside of the round rod, a magnet block is arranged on the side surface of the closing plate, a pair of limiting grooves are opened on the inner surface of the outer shell, a limiting plate is arranged on the surface of the closing plate, and the position of the limiting plate corresponds to the limiting groove.

[0011] As a further technical solution, a pair of limit frames are fixedly connected to the end face of the filter screen, and a number of fixed blocks are provided at both ends of the outer shell surface. A cross bar is connected between the fixed blocks, and a locking frame is slidably connected to the outside of the cross bar. The locking frame is inserted into the limit frame, and a spring is sleeved and connected to the outside of the cross bar.

[0012] As a further technical solution, the connection component includes a pair of circular openings, which are opened on the side surface of the shell, and a pair of limiting rings are provided on the side surface of the shell. The limiting rings and the circular openings are located at a coaxial position, and a plurality of thread grooves are opened on the side surface of the shell, and the thread grooves are located between the limiting rings and the circular openings.

[0013] As a further technical solution, a docking flange is sleeved and connected inside the limiting ring, a connecting pipe is connected to one side of the docking flange, a plurality of positioning holes are opened on the surface of the docking flange, the positioning holes correspond to the positions of the threaded grooves, and fastening bolts are inserted and connected in the positioning holes, and the fastening bolts are screwed and connected in the threaded grooves.

[0014] As a further technical solution, the filtering density of the filter net located above the inner partition layer is lower than that of the filter net located relatively below.

[0015] As a further technical solution, the connecting pipe is in an L-shaped structure as a whole, and a pair of connecting pipes have opening directions opposite to each other.

[0016] As a further technical solution, the size of the closing plate is the same as the inner size of the installation opening and is tightly connected.

[0017] The working principle and beneficial effects of the utility model are:

[0018] The utility model is provided with a filter assembly, and a round rod, a closing plate, a magnetic block, a filter screen and a mounting port are arranged inside the shell. The round rod is fixed at both ends of the side surface of the inner partition layer, the closing plate is slidably connected to the round rod, and the magnetic block is fixed to the surface of the closing plate, so that the closing plate has a magnetic effect. The filter screen is installed by connecting with the sliding sleeve of the round rod. During installation, it will keep in contact with the closing plate through magnetic force, so that the closing plate can move with the filter screen. When the filter screen is taken out, the closing plate can be driven to move to the mounting port. After being separated from the filter screen, the mounting port can be blocked to keep a closed state, so as to achieve the effect of not needing to shut down the HVAC equipment to replace the filter screen, and the operation method is simple and convenient, does not require tools to operate, and has good use effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Figure 1It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is the axonometric drawing of the utility model;

[0022] Figure 3 This is an axonometric sectional view of the utility model;

[0023] Figure 4 It is a cross-sectional view of the utility model;

[0024] Figure 5 For the utility model Figure 1 A partial enlarged view of part A;

[0025] Figure 6 For the utility model Figure 4 A partial enlarged view of part B;

[0026] In the figure: 1. outer shell; 2. inner partition; 3. filter assembly; 3-1. through port; 3-2. mounting port; 3-3. round rod; 3-4. filter screen; 3-5. closing plate; 3-6. magnet block; 3-7. limit groove; 3-8. limit plate; 3-9. limit frame; 3-10. fixing block; 3-11. cross bar; 3-12. locking frame; 3-13. spring; 4. connection assembly; 4-1. round port; 4-2. limit ring; 4-3. threaded groove; 4-4. docking flange; 4-5. connection pipe; 4-6. positioning hole; 4-7. fastening bolt. DETAILED DESCRIPTION

[0027] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figure 1 to Figure 6 As shown, this embodiment proposes a filtering device for HVAC engineering, comprising

[0029] An outer shell 1 and an inner compartment 2, wherein the inner compartment 2 is arranged inside the outer shell 1;

[0030] A connection component 4, which is arranged outside the housing 1;

[0031] The filter assembly 3 is arranged inside the housing 1, and the filter assembly 3 includes a through port 3-1, which is opened on the surface of the inner partition 2, and a pair of mounting ports 3-2 are opened on the side surface of the housing 1, and a pair of round rods 3-3 are arranged on the upper and lower ends of the side surface of the inner partition 2, and the outer sliding sleeve of the round rod 3-3 is connected with a filter screen 3-4, and the outer sliding sleeve of the round rod 3-3 is connected with a closing plate 3-5, and the side surface of the closing plate 3-5 is provided with a magnet block 3-6, and the inner surface of the housing 1 is provided with a pair of limiting A limiting plate 3-8 is arranged on the surface of the closing plate 3-5, and the position of the limiting plate 3-8 corresponds to the limiting groove 3-7. A pair of limiting frames 3-9 are fixedly connected to the end face of the filter screen 3-4. A plurality of fixing blocks 3-10 are arranged at both ends of the surface of the outer shell 1. A cross bar 3-11 is connected between the fixing blocks 3-10. A locking frame 3-12 is slidably connected to the outside of the cross bar 3-11. The locking frame 3-12 is inserted in the limiting frame 3-9. A spring 3-13 is sleeved on the outside of the cross bar 3-11.

[0032] In this embodiment, in order to achieve the effect of quickly replacing the filter 3-4 without stopping operation, a filter assembly 3 is designed, a through hole 3-1 is opened on the surface of the inner partition 2 inside the shell 1, and the upper layer and the lower layer separated by the inner partition 2 are connected for the flow of gas, two round rods 3-3 are arranged on the inside, and a mounting hole 3-2 is opened on the surface of the shell 1 relative to the round rods 3-3, and a filter 3-4 is connected to the outside of the round rods 3-3, and the mounting hole 3-2 can be blocked after the filter 3-4 is installed, and a closing plate 3-5 is also connected to the outside of the round rods 3-3 in a sliding manner, and a magnet block 3-6 is arranged on the side surface of the closing plate 3-5, and the magnet block 3-6 can be adsorbed to one side of the filter 3-4 by magnetic force, and the filter 3-4 moves to the outside. When it is pulled out, the closing plate 3-5 can be driven to move at the same time. After the filter 3-4 is taken out, the installation port 3-2 can be blocked, so that the gas in the shell 1 continues to flow and will not be blown out to the outside. The installation port 3-2 is located on both sides of the installation port 3-2 and is connected to the cross bar 3-11 through the fixing block 3-10 and is covered with a spring 3-13. The cross bar 3-11 is slidably connected to the outside with a locking frame 3-12. Two limit frames 3-9 are fixed on the surface of the filter 3-4. The locking frame 3-12 can be pushed by the elastic force of the spring 3-13 to fit and connect with the limit frame 3-9, and can press the filter 3-4 to keep the filter 3-4 firmly installed. The locking frame 3-12 can move laterally to separate from the limit frame 3-9 to avoid the position of the filter 3-4 without affecting loading and unloading.

[0033] Furthermore, the connection component 4 includes a pair of circular openings 4-1, the circular openings 4-1 are opened on the side surface of the shell 1, a pair of limiting rings 4-2 are arranged on the side surface of the shell 1, the limiting rings 4-2 and the circular openings 4-1 are located at a coaxial position, a plurality of threaded grooves 4-3 are opened on the side surface of the shell 1, the threaded grooves 4-3 are located between the limiting rings 4-2 and the circular openings 4-1, a docking flange 4-4 is sleevedly connected inside the limiting ring 4-2, a connecting pipe 4-5 is connected to one side of the docking flange 4-4, a plurality of positioning holes 4-6 are opened on the surface of the docking flange 4-4, the positioning holes 4-6 correspond to the positions of the threaded grooves 4-3, a fastening bolt 4-7 is inserted and connected in the positioning holes 4-6, and the fastening bolt 4-7 is screwed and connected in the threaded groove 4-3.

[0034] In this embodiment, in order to achieve a tight and firm connection effect, a connection component 4 is designed, two circular openings 4-1 are opened on one side of the outer shell 1, and a limiting ring 4-2 is arranged around the outer periphery of the circular opening 4-1, and a plurality of threaded grooves 4-3 are opened on the surface of the outer shell 1 between the limiting ring 4-2 and the circular opening 4-1, and a docking flange 4-4 with a connecting pipe 4-5 is installed in the limiting ring 4-2, and a positioning hole 4-6 which is in the same position as the threaded groove 4-3 is opened on the surface of the docking flange 4-4, and a fastening bolt 4-7 is arranged in the positioning hole 4-6 and is screwed into the threaded groove 4-3, so that the docking flange 4-4 can be firmly fixed on the surface of the outer shell 1, and cooperate with the limiting ring 4-2 to have a tight fit effect, thereby improving the sealing performance.

[0035] Furthermore, the filtering density of the filter screen 3 - 4 located above the inner partition layer 2 is lower than that of the filter screen 3 - 4 located relatively below.

[0036] In this embodiment, the filter nets 3 - 4 are provided with filter nets 3 - 4 of different densities to perform graded filtration, thereby increasing the service life of the filter nets 3 - 4 .

[0037] Furthermore, the connecting pipe 4 - 5 is in an L-shaped structure as a whole, and a pair of connecting pipes 4 - 5 have opening directions in opposite directions.

[0038] In this embodiment, the L-shaped structure is vertically connected to the HVAC pipe, so that the housing 1 is installed horizontally for easy operation.

[0039] Furthermore, the size of the closing plate 3-5 is the same as the inner size of the installation opening 3-2 and is tightly connected.

[0040] In this embodiment, the sealing plate 3-5 has the same size structure as the installation opening 3-2, so that the sealing plate 3-5 can tightly seal the installation opening 3-2 to prevent gas leakage.

[0041] After the filter screen 3-4 is replaced, the filter screen 3-4 can be replaced in sequence.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filtering device for HVAC engineering, It is characterized in that include An outer shell (1) and an inner partition (2), wherein the inner partition (2) is arranged inside the outer shell (1); A connection component (4), wherein the connection component (4) is arranged outside the housing (1); A filter assembly (3), the filter assembly (3) being arranged inside the shell (1), the filter assembly (3) comprising a through opening (3-1), the through opening (3-1) being opened on the surface of the inner partition (2), a pair of mounting openings (3-2) being opened on the side surface of the shell (1), a pair of round rods (3-3) being arranged at both upper and lower ends of the side surface of the inner partition (2), and a filter screen (3-4) being slidably sleeved on the outside of the round rods (3-3).

2. A filtering device for HVAC engineering according to claim 1, It is characterized in that The round rod (3-3) is externally slidably connected to a closing plate (3-5), a side surface of the closing plate (3-5) is provided with a magnet block (3-6), an inner surface of the housing (1) is provided with a pair of limiting grooves (3-7), a surface of the closing plate (3-5) is provided with a limiting plate (3-8), and the position of the limiting plate (3-8) corresponds to the position of the limiting groove (3-7).

3. A filtering device for HVAC engineering according to claim 1, It is characterized in that The filter screen (3-4) is fixedly connected to a pair of limit frames (3-9) at the end faces, a plurality of fixed blocks (3-10) are arranged at both ends of the surface of the housing (1), a cross bar (3-11) is connected between the fixed blocks (3-10), a lock frame (3-12) is slidably connected to the outside of the cross bar (3-11), the lock frame (3-12) is inserted into the limit frames (3-9), and a spring (3-13) is sleevedly connected to the outside of the cross bar (3-11).

4. A filtering device for HVAC engineering according to claim 1, It is characterized in that The connection component (4) comprises a pair of circular openings (4-1), the circular openings (4-1) being opened on the side surface of the housing (1), the side surface of the housing (1) being provided with a pair of limiting rings (4-2), the limiting rings (4-2) and the circular openings (4-1) being located at coaxial positions, the side surface of the housing (1) being provided with a plurality of thread grooves (4-3), the thread grooves (4-3) being located between the limiting rings (4-2) and the circular openings (4-1).

5. A filtering device for HVAC engineering according to claim 4, It is characterized in that A docking flange (4-4) is sleeved and connected inside the limiting ring (4-2), one side of the docking flange (4-4) is connected to a connecting pipe (4-5), a plurality of positioning holes (4-6) are opened on the surface of the docking flange (4-4), the positioning holes (4-6) correspond to the positions of the thread grooves (4-3), a fastening bolt (4-7) is inserted and connected in the positioning holes (4-6), and the fastening bolt (4-7) is screwed and connected in the thread grooves (4-3).

6. A filtering device for HVAC engineering according to claim 1, It is characterized in that The filtering density of the filter net (3-4) located above the inner partition layer (2) is lower than that of the filter net (3-4) located relatively below.

7. A filtering device for HVAC engineering according to claim 5, It is characterized in that The connecting pipes (4-5) are in an L-shaped structure as a whole, and the opening directions of a pair of connecting pipes (4-5) are opposite.

8. A filtering device for HVAC engineering according to claim 2, It is characterized in that The size of the closing plate (3-5) is the same as the inner size of the installation opening (3-2) and is tightly connected.

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