CN210951810U - Multifunctional filtering device for purifying cold air of central air conditioner - Google Patents
Multifunctional filtering device for purifying cold air of central air conditioner Download PDFInfo
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- CN210951810U CN210951810U CN201921503005.0U CN201921503005U CN210951810U CN 210951810 U CN210951810 U CN 210951810U CN 201921503005 U CN201921503005 U CN 201921503005U CN 210951810 U CN210951810 U CN 210951810U
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Abstract
The utility model provides a multi-functional central air conditioning purifies uses filter equipment, including the air conditioning pipe, the fixed plate, T type connecting pipe, U type rubber circle, first connecting plate can purify grafting tubular construction, can clear up and filter the filtration tubular construction, can change the box structure by the humidification, the type of falling L dead lever, the locking hole, wing nut, the socket, spliced eye and spring pad, the fixed plate weld respectively in the inside intermediate position of the left and right sides of air conditioning pipe. The utility model discloses the setting of purge tube, carry and draw ring, inserted bar, fretwork board, active carbon filter screen, glass fiber net, air-conditioning duct and bayonet socket is favorable to dismantling the purge tube, conveniently carries out the clearance and the change work of active carbon filter screen and glass fiber net; hang and connect the case, the setting of second connecting plate and water box is favorable to air conditioning to drive the air of water box upper end and flows, makes the water of the inside packing of water box evaporate, conveniently carries out humidification work to the air.
Description
Technical Field
The utility model belongs to the technical field of air conditioning purifies filter equipment, especially, relate to a multi-functional central air conditioning purifies uses filter equipment.
Background
The air conditioning air can carry impurity at the exhaust in-process, needs to use purification filter equipment to carry out the air conditioning and filters then discharge into indoor and carry out the refrigeration work.
However, the existing cold air purifying and filtering device has the problems that the purification and cleaning work is inconvenient, the filter screen is inconvenient to replace, and cold air humidification cannot be performed.
Therefore, it is necessary to provide a multifunctional filtering device for purifying the cold air of the central air conditioner.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a multi-functional central air conditioning purifies uses filter equipment to solve current air conditioning and purify filter equipment and have the inconvenient cleaning work that purifies of in-process that uses, the inconvenient filter screen change work that carries on and can not carry out the problem of air conditioning humidification. A multifunctional filtering device for purifying cold air of a central air conditioner comprises a cold air pipe, a fixing plate, a T-shaped connecting pipe, a U-shaped rubber ring, a first connecting plate, a purifying splicing pipe structure, a filtering and filtering pipe structure, a humidifying and replacing box structure, an inverted L-shaped fixing rod, a locking hole, a wing-shaped nut, a splicing seat, a splicing hole and a spring pad, wherein the fixing plate is welded at the middle position inside the left side and the right side of the cold air pipe respectively; the U-shaped rubber ring is glued at the upper end of the T-shaped connecting pipe; the first connecting plates are respectively welded at the upper parts of the left side and the right side of the T-shaped connecting pipe; the lower end of the cold air pipe is arranged at the upper end of the T-shaped connecting pipe; the cleanable inserting pipe structure is arranged in the middle of the lower inside of the T-shaped connecting pipe; the cleanable filtering pipe structure is arranged in the middle of the upper inside of the T-shaped connecting pipe; the humidifying replacement box structure is arranged on the outer wall of the lower end of the T-shaped connecting pipe; the locking holes are respectively formed in the middle positions of the inner parts of the left side and the right side of the first connecting plate; the lower ends of the inverted L-shaped fixing rods respectively penetrate through the locking holes; the wing nut is in threaded connection with the lower part of the outer wall of the inverted L-shaped fixing rod; the plug sockets are respectively welded at the bottom ends of the left side and the right side of the T-shaped connecting pipe; the plug holes are respectively arranged in the middle of the inner part of the plug seat; the spring pads are respectively sleeved at the lower parts of the outer walls of the inverted L-shaped fixed rods; the structure of the cleanable inserting pipe comprises a cleaning pipe, a lifting ring, an inserting rod, a hollow plate, an activated carbon filter screen and a glass fiber net, wherein the lifting ring is respectively welded at the left side and the right side of the inner bottom end of the cleaning pipe; the upper ends of the insertion rods are respectively welded on the left side and the right side of the lower end of the purification tube; the hollow plate is welded in the middle of the lower part of the inner wall of the purification pipe; the active carbon filter screen is glued at the upper end of the hollow plate; the glass fiber net is glued at the lower end of the hollow plate.
Preferably, the cleanable filtering pipe structure comprises a filtering pipe, a rotating plate, a dismounting pipe, a nylon net, a stainless steel net and an asbestos net, wherein the rotating plate is sequentially coupled to the bottom end of the inner wall of the filtering pipe from left to right; the disassembly pipe is connected to the upper part of the inner wall of the filter pipe through a screw; the nylon net screw is connected to the lower part of the inner wall of the dismounting pipe; the stainless steel mesh screw is connected to the middle position of the inner wall of the dismounting pipe; the asbestos gauge screw is connected to the upper part of the inner wall of the dismounting pipe.
Preferably, the humidifying and replacing box structure comprises a hanging box, a second connecting plate, a vent hole, a fixing hole, a water box and a discharge pipe, wherein the lower end of the second connecting plate is respectively welded on the left side and the right side of the upper end of the hanging box; the vent holes are respectively arranged in the middle of the lower inner part of the second connecting plate; the fixing holes are respectively formed in the middle of the inner part of the upper side of the second connecting plate; the water box is connected to the middle position of the bottom end of the hanging box through a screw; the discharge pipe is welded at the middle position of the lower part of the right side of the water box.
Preferably, the spring pad is disposed between the wing nut and the first connection plate; the top of the inverted L-shaped fixed rod is respectively connected with a silica gel pad in an adhesive manner.
Preferably, the hollow plate is a stainless steel hollow plate; the lifting ring is a stainless steel ring.
Preferably, the purification pipe is inserted in the middle position of the upper inside of the T-shaped connecting pipe; the inserting rods are respectively inserted in the inserting holes.
Preferably, the rotating plate is a PVC plate; the detachable pipe adopts a PPC pipe.
Preferably, the filter pipe is inserted in the middle of the lower inside of the T-shaped connecting pipe; and a rubber ring is arranged between the filter pipe and the T-shaped connecting pipe.
Preferably, the discharge pipe penetrates through the middle position of the lower part of the right side of the hanging box; the right side of the hanging box is in threaded connection with a sealing cap.
Preferably, the second connecting plate is connected to the outer wall of the lower end of the T-shaped connecting pipe through a fixing hole bolt; the lower end of the T-shaped connecting pipe is arranged corresponding to the water box.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the purge tube, carry and draw the ring, peg graft the pole, the fretwork board, the active carbon filter screen, the glass fiber net, the setting of cold air duct and bayonet socket is favorable to dismantling the purge tube, conveniently carries out the clearance and the change work of active carbon filter screen and glass fiber net.
2. The utility model discloses in, the filter tube, dismantle the pipe, the nylon wire net, the setting of stainless steel net and asbestos gauge is favorable to filtering the dust in the air conditioning, increases filtering capability.
3. The utility model discloses in, the setting of bridging case, second connecting plate and water box is favorable to air conditioning to drive the air of water box upper end and flows, makes the water of the inside packing of water box evaporate, conveniently carries out humidification work to the air.
4. The utility model discloses in, the setting of filter tube and dismantlement pipe, be favorable to dismantling the dismantlement pipe, the convenience is changed and is cleared up the work nylon wire net and stainless steel mesh and asbestos gauge.
5. The utility model discloses in, the setting of water box and delivery pipe, be favorable to discharging the water box normal water, prevent that time overlength quality of water from receiving the pollution.
6. The utility model discloses in, the setting of filter tube and rotor plate, be favorable to adjusting the direction of air conditioning, conveniently carry out the work of refrigerating.
7. The utility model discloses in, T type connecting pipe, first connecting plate, the type of falling L dead lever, the setting of locking hole and wing nut is favorable to carrying out T type connecting pipe fixed work, conveniently carries out air conditioning purification filtration work.
8. The utility model discloses in, the cold air duct, the setting of T type connecting pipe and U type rubber circle is favorable to sealing up the gap between cold air duct and the T type connecting pipe, prevents that air conditioning from leaking.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the structure of the cleanable splicing tube of the present invention.
Fig. 3 is a schematic structural diagram of the cleanable filter tube structure of the present invention.
Fig. 4 is a schematic structural view of the structure of the humidifying and replacing box of the present invention.
In the figure:
1. a cold air pipe; 2. a fixing plate; 3. a T-shaped connecting pipe; 4. a U-shaped rubber ring; 5. a first connecting plate; 6. a decontaminable bayonet tube structure; 61. a purge tube; 62. lifting the ring; 63. a plug rod; 64. a hollowed-out plate; 65. an active carbon filter screen; 66. a glass fiber web; 7. the structure of the filter tube can be cleaned; 71. a filter tube; 72. a rotating plate; 73. disassembling the pipe; 74. a nylon mesh; 75. a stainless steel mesh; 76. an asbestos web; 8. a box replacing structure capable of humidifying; 81. hanging and connecting the box; 82. a second connecting plate; 83. a vent hole; 84. a fixing hole; 85. a water box; 86. a discharge pipe; 9. an inverted L-shaped fixing rod; 10. a locking hole; 11. wing nuts; 12. a socket; 13. inserting holes; 14. a spring pad.
Detailed Description
The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a multifunctional filtering device for purifying air conditioning of a central air conditioner, comprises an air conditioning pipe 1, a fixing plate 2, a T-shaped connecting pipe 3, a U-shaped rubber ring 4, a first connecting plate 5, a purifying splicing pipe structure 6, a cleaning filtering pipe structure 7, a humidifying replacing box structure 8, an inverted L-shaped fixing rod 9, a locking hole 10, a wing nut 11, a splicing seat 12, a splicing hole 13 and a spring pad 14, wherein the fixing plate 2 is respectively welded at the middle position inside the left side and the right side of the air conditioning pipe 1; the U-shaped rubber ring 4 is glued at the upper end of the T-shaped connecting pipe 3; the first connecting plates 5 are respectively welded at the upper parts of the left side and the right side of the T-shaped connecting pipe 3; the lower end of the cold air pipe 1 is arranged at the upper end of the T-shaped connecting pipe 3; the cleanable inserting pipe structure 6 is arranged in the middle of the lower inside of the T-shaped connecting pipe 3; the cleanable filtering pipe structure 7 is arranged in the middle of the upper inside of the T-shaped connecting pipe 3; the box replacing structure 8 capable of humidifying is arranged on the outer wall of the lower end of the T-shaped connecting pipe 3; the locking holes 10 are respectively formed in the middle positions of the inner parts of the left side and the right side of the first connecting plate 5; the lower ends of the inverted L-shaped fixing rods 9 respectively penetrate through the locking holes 10; the wing nut 11 is in threaded connection with the lower part of the outer wall of the inverted L-shaped fixing rod 9; the plug sockets 12 are respectively welded at the bottom ends of the left side and the right side of the T-shaped connecting pipe 3; the plug holes 13 are respectively arranged in the middle of the inner part of the plug seat 12; the spring pads 14 are respectively sleeved at the lower parts of the outer walls of the inverted L-shaped fixing rods 9; the purifying plug pipe structure 6 comprises a purifying pipe 61, a lifting ring 62, a plug rod 63, a hollow plate 64, an activated carbon filter screen 65 and a glass fiber net 66, wherein the lifting ring 62 is respectively welded at the left side and the right side of the inner bottom end of the purifying pipe 61; the upper ends of the plug-in rods 63 are respectively welded at the left side and the right side of the lower end of the purifying tube 61; the hollow plate 64 is welded at the middle position of the lower part of the inner wall of the purification pipe 61; the active carbon filter screen 65 is glued to the upper end of the hollow plate 64; the glass fiber net 66 is glued at the lower end of the hollow plate 64; when using, set up air-conditioning duct 1 in indoor suitable position, place T type connecting pipe 3 at the lower extreme of air-conditioning duct 1 and then use the upper end of falling L type dead lever 9 to articulate in the left and right sides of first connecting plate 5, rotatory wing nut 11 is fixed T type connecting pipe 3, make air conditioning pass through air-conditioning duct 1 and get into T type connecting pipe 3, then get into the inside of purge tube 61, make air conditioning pass through active carbon filter screen 65 and glass fiber net 66, adsorb the harmful gas of air conditioning at the in-process that passes through active carbon filter screen 65 and glass fiber net 66, carry out air conditioning purification work.
In this embodiment, referring to fig. 3, the cleanable filter pipe structure 7 includes a filter pipe 71, a rotating plate 72, a detachable pipe 73, a nylon net 74, a stainless steel net 75 and an asbestos net 76, wherein the rotating plate 72 is sequentially coupled to the bottom end of the inner wall of the filter pipe 71 from left to right; the disassembling pipe 73 is connected to the upper part of the inner wall of the filter pipe 71 through screws; the nylon net 74 is connected to the lower part of the inner wall of the dismounting pipe 73 through screws; the stainless steel net 75 is screwed in the middle position of the inner wall of the dismounting pipe 73; the asbestos cloth 76 is connected to the upper part of the inner wall of the dismounting pipe 73 through screws; the purified cold air enters the inside of the filter tube 71, then the cold air is filtered through the nylon net 74, the stainless steel net 75 and the asbestos net 76, then the rotating plate 72 is rotated, the rotating plate 72 is rotated to a proper angle, the directional blowing work is conveniently carried out, meanwhile, the dust of air is conveniently filtered, and the filtering function is increased.
In this embodiment, referring to fig. 4, the box structure 8 includes a hanging box 81, a second connecting plate 82, a vent 83, a fixing hole 84, a water box 85 and a drain pipe 86, wherein the lower end of the second connecting plate 82 is welded to the left and right sides of the upper end of the hanging box 81; the vent holes 83 are respectively arranged at the middle positions inside the lower sides of the second connecting plates 82; the fixing holes 84 are respectively arranged at the middle position inside the upper side of the second connecting plate 82; the water box 85 is connected to the middle position of the bottom end of the hanging box 81 through a screw; the discharge pipe 86 is welded at the middle position of the lower part of the right side of the water box 85; make the air after the filtration get rid of through filter tube 71 and blow grafting case 81 and water box 85, then make air conditioning accelerate the air flow of water box 85 upper end, drive the moist air of water evaporation in water box 85, get into indoorly, increase the humidity of indoor air, prevent that the air is too dry to influence healthy, increase the humidification function.
In the present embodiment, in particular, the spring pad 14 is disposed between the wing nut 11 and the first connecting plate 5; the top ends of the inverted L-shaped fixed rods 9 are respectively connected with a silica gel pad in an adhesive mode.
In this embodiment, specifically, the hollow plate 64 is a stainless steel hollow plate; the lifting ring 62 is a stainless steel ring.
In this embodiment, specifically, the purifying tube 61 is inserted into the middle position inside the upper side of the T-shaped connecting tube 3; the inserting rods 63 are respectively inserted into the inserting holes 13.
In this embodiment, specifically, the rotating plate 72 is a PVC plate; the detachable pipe 73 is a PPC pipe.
In this embodiment, specifically, the filtering pipe 71 is inserted in the middle of the lower inside of the T-shaped connecting pipe 3; a rubber ring is arranged between the filtering pipe 71 and the T-shaped connecting pipe 3.
In this embodiment, specifically, the exhaust pipe 86 penetrates through the middle position of the lower right side of the hanging box 81; the right side of the hanging box 81 is connected with a sealing cap through threads.
In this embodiment, specifically, the second connecting plate 82 is bolted to the outer wall of the lower end of the T-shaped connecting pipe 3 through a fixing hole 84; the lower end of the T-shaped connecting pipe 3 is arranged corresponding to the water box 85.
Principle of operation
In the utility model, when in use, the cold air pipe 1 is arranged at an appropriate indoor position, the T-shaped connecting pipe 3 is arranged at the lower end of the cold air pipe 1 and then is hung at the left side and the right side of the first connecting plate 5 by using the upper end of the inverted L-shaped fixing rod 9, the T-shaped connecting pipe 3 is fixed by the rotary wing-shaped nut 11, so that the cold air enters the T-shaped connecting pipe 3 through the cold air pipe 1 and then enters the purifying pipe 61, the cold air passes through the active carbon filter screen 65 and the glass fiber net 66, harmful gas of the cold air is adsorbed in the process of passing through the active carbon filter screen 65 and the glass fiber net 66, the cold air purification work is carried out, the purified cold air enters the filter pipe 71, then the cold air passes through the nylon net 74, the stainless steel net 75 and the asbestos net 76 to carry out the filtering work, then the rotating plate 72 is rotated to an appropriate angle, the directional blowing, meanwhile, dust in air is conveniently filtered, the filtering function is increased, the filtered air is discharged through the filtering pipe 71 to blow the hanging box 81 and the water box 85, then the air at the upper end of the water box 85 is accelerated by the cold air, the wet air evaporated from the water in the water box 85 is driven to enter the room, the humidity of the indoor air is increased, the air is prevented from being too dry to influence the health, and the humidifying function is increased.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. The multifunctional filtering device for purifying the cold air of the central air conditioner is characterized by comprising a cold air pipe (1), a fixing plate (2), a T-shaped connecting pipe (3), a U-shaped rubber ring (4), a first connecting plate (5), a purifying splicing pipe structure (6), a cleaning filtering pipe structure (7), a humidifying replacing box structure (8), an inverted L-shaped fixing rod (9), a locking hole (10), a wing-shaped nut (11), a splicing seat (12), a splicing hole (13) and a spring pad (14), wherein the fixing plate (2) is welded at the middle position inside the left side and the right side of the cold air pipe (1) respectively; the U-shaped rubber ring (4) is glued at the upper end of the T-shaped connecting pipe (3); the first connecting plates (5) are respectively welded at the upper parts of the left side and the right side of the T-shaped connecting pipe (3); the lower end of the cold air pipe (1) is arranged at the upper end of the T-shaped connecting pipe (3); the cleanable inserting pipe structure (6) is arranged in the middle of the lower side of the T-shaped connecting pipe (3); the cleanable filter tube structure (7) is arranged in the middle of the upper inner part of the T-shaped connecting tube (3); the box replacing structure (8) capable of humidifying is arranged on the outer wall of the lower end of the T-shaped connecting pipe (3); the locking holes (10) are respectively formed in the middle positions of the inner parts of the left side and the right side of the first connecting plate (5); the lower ends of the inverted L-shaped fixing rods (9) respectively penetrate through the locking holes (10); the wing-shaped nut (11) is in threaded connection with the lower part of the outer wall of the inverted L-shaped fixing rod (9); the plug sockets (12) are respectively welded at the bottom ends of the left side and the right side of the T-shaped connecting pipe (3); the plug holes (13) are respectively arranged in the middle of the inner part of the plug seat (12); the spring pads (14) are respectively sleeved at the lower parts of the outer walls of the inverted L-shaped fixing rods (9); the purifying insertion pipe structure (6) comprises a purifying pipe (61), a lifting ring (62), an insertion rod (63), a hollow plate (64), an activated carbon filter screen (65) and a glass fiber mesh (66), wherein the lifting ring (62) is respectively welded at the left side and the right side of the inner bottom end of the purifying pipe (61); the upper ends of the plug-in rods (63) are respectively welded on the left side and the right side of the lower end of the purifying pipe (61); the hollow plate (64) is welded in the middle of the lower part of the inner wall of the purification pipe (61); the active carbon filter screen (65) is glued to the upper end of the hollow plate (64); the glass fiber net (66) is glued at the lower end of the hollow plate (64).
2. The multifunctional filter device for central air conditioning cold air purification as claimed in claim 1, wherein the cleanable filter tube structure (7) comprises a filter tube (71), a rotating plate (72), a dismounting tube (73), a nylon net (74), a stainless steel net (75) and an asbestos net (76), wherein the rotating plate (72) is sequentially coupled to the bottom end of the inner wall of the filter tube (71) from left to right; the dismounting pipe (73) is connected to the upper part of the inner wall of the filter pipe (71) through screws; the nylon net (74) is connected to the lower part of the inner wall of the dismounting pipe (73) through screws; the stainless steel net (75) is connected to the middle position of the inner wall of the dismounting pipe (73) through a screw; the asbestos net (76) is connected to the upper part of the inner wall of the dismounting pipe (73) through screws.
3. The multifunctional central air conditioning cold air purification filter device as claimed in claim 1, wherein said humidifying and replacing box structure (8) comprises a hanging box (81), a second connecting plate (82), a vent hole (83), a fixing hole (84), a water box (85) and a discharge pipe (86), the lower end of said second connecting plate (82) is welded on the left and right sides of the upper end of the hanging box (81); the vent holes (83) are respectively arranged at the middle position inside the lower side of the second connecting plate (82); the fixing holes (84) are respectively formed in the middle of the upper inner part of the second connecting plate (82); the water box (85) is connected to the middle position of the bottom end of the hanging box (81) through a screw; the discharge pipe (86) is welded at the middle position of the lower part of the right side of the water box (85).
4. The multifunctional filter device for cold air purification of central air conditioner as claimed in claim 1, wherein said spring pad (14) is disposed between wing nut (11) and first connecting plate (5); the top ends of the inverted L-shaped fixing rods (9) are respectively glued with silica gel pads.
5. The multifunctional filter device for central air-conditioning cold air purification as claimed in claim 1, wherein the hollow plate (64) is stainless steel hollow plate; the lifting ring (62) is a stainless steel ring.
6. The multifunctional filter device for cold air purification of central air conditioner as claimed in claim 2, wherein said purification tube (61) is inserted in the middle position of the upper inside of the T-shaped connection tube (3); the plug rods (63) are respectively plugged in the plug holes (13).
7. The multifunctional filter device for cold air purification of central air conditioner as claimed in claim 2, wherein said rotating plate (72) is a PVC plate; the dismounting pipe (73) adopts a PPC pipe.
8. The multifunctional filtering device for cold air purification of central air conditioner as claimed in claim 2, wherein said filtering pipe (71) is inserted in the middle position of the lower inside of the T-shaped connecting pipe (3); and a rubber ring is arranged between the filter pipe (71) and the T-shaped connecting pipe (3).
9. The multifunctional filtering device for cold air purification of central air conditioner as claimed in claim 3, wherein said discharge pipe (86) penetrates the middle position of the lower right side of the hanging box (81); the right side of the hanging box (81) is in threaded connection with a sealing cap.
10. The multifunctional filter device for cold air purification of central air conditioner as claimed in claim 3, wherein said second connecting plate (82) is bolted to the outer wall of the lower end of the T-shaped connecting pipe (3) through a fixing hole (84); the lower end of the T-shaped connecting pipe (3) is arranged corresponding to the water box (85).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503005.0U CN210951810U (en) | 2019-09-11 | 2019-09-11 | Multifunctional filtering device for purifying cold air of central air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503005.0U CN210951810U (en) | 2019-09-11 | 2019-09-11 | Multifunctional filtering device for purifying cold air of central air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210951810U true CN210951810U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921503005.0U Active CN210951810U (en) | 2019-09-11 | 2019-09-11 | Multifunctional filtering device for purifying cold air of central air conditioner |
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| CN (1) | CN210951810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413882A (en) * | 2020-11-18 | 2021-02-26 | 杭州浩然公寓有限公司 | Mounting structure convenient to central air conditioning maintenance is used |
-
2019
- 2019-09-11 CN CN201921503005.0U patent/CN210951810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413882A (en) * | 2020-11-18 | 2021-02-26 | 杭州浩然公寓有限公司 | Mounting structure convenient to central air conditioning maintenance is used |
| CN112413882B (en) * | 2020-11-18 | 2022-07-26 | 广州奥揽达节能科技有限公司 | Use method of installation structure convenient for maintenance of central air conditioner |
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