CN213873157U - Fan vibration reduction structure and air conditioning unit - Google Patents
Fan vibration reduction structure and air conditioning unit Download PDFInfo
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- CN213873157U CN213873157U CN202023069655.4U CN202023069655U CN213873157U CN 213873157 U CN213873157 U CN 213873157U CN 202023069655 U CN202023069655 U CN 202023069655U CN 213873157 U CN213873157 U CN 213873157U
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- guide rail
- mounting plate
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- damping
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Abstract
The utility model provides a fan damping structure and air conditioning unit, wherein fan damping structure includes fan subassembly, fan mounting panel, is connected through a plurality of support guide rails between fan mounting panel and the fan subassembly, is equipped with vibration damper between this support guide rail and the fan mounting panel. The utility model is connected between the fan mounting plate and the fan assembly through a plurality of supporting guide rails, the supporting guide rails are connected with the fan assembly into a whole, a plurality of damping structures are arranged between the supporting guide rails and the fan mounting plate, the vibration of the fan assembly is transmitted to each damping structure through the supporting guide rails, and the noise generated by the resonance of the unit shell due to the fan vibration is reduced; the fan mounting plate and the fan assembly only need to disassemble the fixing screw without disassembling the vibration damper, so that the whole fan assembly can be conveniently disassembled from the fan mounting plate; a vibration reduction sealing structure is arranged between the fan mounting plate and the supporting guide rail, so that air leakage generated by a gap between the fan mounting plate and the supporting guide rail is reduced.
Description
Technical Field
The utility model relates to a refrigeration technology field, more specifically say, relate to a fan damping structure and air conditioning unit.
Background
The fan is one of the main vibration sources in the air conditioning unit, and the vibration of the fan may cause the resonance of the air conditioning unit, so that the problem of unnecessary noise is caused.
The vibration reduction structure of the existing fan is characterized in that a vibration reduction fixing device such as a buffer sheet is connected between a fan assembly and a fan mounting plate through a screw, the vibration reduction effect of the vibration reduction structure is limited, and the resonance of an air conditioning unit can not be effectively reduced when the vibration generated during the work of the fan is large.
Simultaneously, the current damping structure to the fan makes the connection structure of fan subassembly and air conditioning unit complicated, before dismantling the fan subassembly, needs earlier to dismantle damping fixing device, then just can pull down the fan subassembly and maintain, leads to fan subassembly dismouting difficulty.
In addition, some air conditioning units of current models consider the damping needs of fan subassembly, often leave certain clearance between fan subassembly and fan mounting panel, fan subassembly and the unit casing around, and this kind of damping structure exists this clearance and can lead to the problem of leaking out.
Therefore, the vibration reduction effect of the vibration reduction structure of the existing fan is limited, and the technical problem to be solved in the field is to make the fan assembly and the air conditioning unit difficult to disassemble and assemble.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem that current damping structure to the fan made dismouting difficulty between fan subassembly and the air conditioning unit, provide a fan damping structure, include: the fan assembly is connected with the fan assembly through a plurality of supporting guide rails, and a vibration damping device is arranged between the supporting guide rails and the fan mounting plate.
Further, the support rail includes: the back is equipped with buckle structure's supporting seat, the protruding post guide rail structure that outwards extends from the front of supporting seat.
Further, the fan mounting plate is provided with a through hole for inserting the buckle structure, and the fan mounting plate is connected with the support guide rail through the buckle structure, the through hole and the threaded fastener.
Further, the vibration damping device includes: the vibration reduction layer is arranged on one surface, close to the support guide rail, of the fan mounting plate and/or on one surface, far away from the support guide rail, of the fan mounting plate and corresponds to the through hole, and the vibration reduction sealing structure is arranged between the fan mounting plate and the support guide rail.
Preferably, the snap structure comprises: the upper buckle and the lower buckle are correspondingly arranged on the upper part and the lower part of the back surface of the supporting guide rail.
Preferably, the vibration damping sealing structure comprises: locate the first damping sealing layer that meets with fan mounting panel and support rail correspondence between last buckle and the lower buckle, locate the second damping sealing layer of last buckle top, the second damping sealing layer is connected in the fan mounting panel, and leaves the clearance with support rail between.
Furthermore, the fan assembly is provided with a guide rail sliding groove structure correspondingly connected with the convex column guide rail structure, the fan mounting plate and the fan assembly are close to or separated from each other through the matching of the convex column guide rail structure and the guide rail sliding groove structure, and the tail end of the convex column guide rail structure can be fixed at the bottom end of the inner wall of the guide rail sliding groove structure.
Preferably, the guide rail sliding groove structure is provided with a screw through hole penetrating through the bottom end of the inner wall from the outer end of the guide rail sliding groove structure, the tail end of the convex column guide rail structure is provided with a thread mounting hole, and a screw penetrates through the screw through hole from the outer end of the guide rail sliding groove structure and is fastened in the thread mounting hole.
Preferably, the stud rail structure comprises: correspond upper portion and the lower upper convex column guide rail and the lower convex column guide rail of locating the back of support guide rail, guide rail chute structure includes: and the upper guide rail sliding groove and the lower guide rail sliding groove correspond to the upper convex column guide rail and the lower convex column guide rail.
Preferably, the end of the upper convex column guide rail is a slope, and the threaded mounting hole is perpendicular to the slope.
The utility model also provides an air conditioning unit, including unit housing, fan support, still include foretell fan damping structure, the fan mounting panel is fixed in fan support.
Preferably, the side of the fan assembly is provided with a buffer sealing layer for forming a seal between the side of the fan assembly and the unit housing.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a fan damping structure and air conditioning unit, connect through a plurality of support rails between fan mounting panel and fan subassembly, after through the fix with screw between projection guide rail and the guide rail spout that fan mounting panel and fan subassembly pass through the support rail, fan mounting panel and support rail are linked into an organic whole, under the combined action of the multiple damping structure that sets up between support rail and fan mounting panel, make the vibration of whole fan subassembly directly conduct damping structure everywhere and dispersed and absorbed through the support rail, thereby reduce the unusual noise that the unit casing resonance that leads to because of the fan vibration produced greatly; meanwhile, the fan mounting plate and the fan assembly can be detached conveniently only by detaching the fixing screws without detaching the vibration damping device; the vibration reduction sealing structure and the buffer sealing layer are correspondingly arranged between the fan mounting plate and the supporting guide rail and on the side face of the fan assembly, so that the air leakage generated by corresponding gaps between the fan mounting plate and the supporting guide rail and between the side face of the fan assembly and the surrounding unit shell is reduced.
Drawings
Fig. 1 is an assembly schematic view of a support rail and a fan mounting plate of a fan vibration damping structure provided by the present invention;
fig. 2 is a schematic structural view of a fan mounting plate of the fan vibration damping structure provided by the present invention;
fig. 3 is a sectional view of the assembly of the support rail of the fan vibration damping structure and the fan mounting plate provided by the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3;
fig. 5 is a schematic structural diagram of a fan assembly of the fan vibration damping structure provided by the present invention;
fig. 6 is a schematic diagram of a state before the assembly of the support rail of the fan vibration damping structure and the fan mounting plate provided by the present invention;
fig. 7 is a schematic cross-sectional view of the fan damping structure for the complete machine assembly in the air conditioning unit provided by the present invention;
fig. 8 is a partially enlarged view of fig. 7.
Wherein, in the drawings, the reference numerals are mainly as follows:
1-a fan assembly; 11-upper guide way chute; 12-screw vias; 13-a grid structure; 14-lower rail runner; 2, mounting a fan; 21-a through hole; 22-a sheet metal body; 31-a damping layer; 32-a first damping sealant layer; 33-a second damping sealant layer; 41-upper convex column guide rail; 411-threaded mounting holes; 42-upper buckle; 43-lower buckle; 44-a grid structure; 45-supporting seat; 46-lower stud guide; 5-a threaded fastener; 6-a unit shell; 7-a fan support; 8-a screw; 9-a fan.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings 1 to 8 and the embodiments.
Referring to fig. 1-8, the present invention provides a fan damping structure, including: the fan mounting plate 2 comprises a metal plate main body 22 and a plurality of fan holes arranged as required; a fan assembly 1; the fan mounting plate 2 is connected with the fan assembly 1 through a plurality of support guide rails, as shown in fig. 2, as a preferred embodiment, three fan holes are provided, and two support guide rails are provided and correspondingly connected between adjacent fan holes of the three fan holes; and a vibration damper is arranged between the support guide rail and the fan mounting plate 2.
Referring to fig. 1, 3-4, the support rail includes: the back is equipped with buckle structure's supporting seat 45, and buckle structure prefers to include: an upper buckle 42 and a lower buckle 43 which are correspondingly arranged at the upper part and the lower part of the back surface of the supporting guide rail; a stud rail structure extending outwardly from the front of the support base 45, the stud rail structure preferably comprising: upper and lower stud rails 41 and 46 provided at upper and lower portions of the back surface of the support rail, respectively; the post guide structure is preferably perpendicular to the support base 45.
The fan mounting plate 2 is provided with a through hole 21 for insertion of the snap structure. The vibration damping device includes: the vibration damping layer 31 is arranged on one surface, close to the support guide rail, of the fan mounting plate 2 and/or one surface, far away from the support guide rail, of the fan mounting plate and corresponds to the through hole 21, and preferably, the vibration damping layer 31 is arranged on the two surfaces; the damping layer 31 is preferably a rubber damping pad, and can also be a plastic damping pad; the back of the supporting seat 45 of the supporting guide rail is also provided with a mounting hole, the fan mounting plate 2 is provided with a threaded hole corresponding to the mounting hole, the fan mounting plate 2 and the supporting guide rail are connected through a buckle structure, a through hole 21 and a threaded fastener 5 which penetrates through the mounting hole fixed on the back of the supporting seat 45 from the threaded hole at one end of the fan mounting plate 2, and the threaded fastener 5 can be a screw or a bolt; the fan mounting plate 2 and the support rail are preferably connected by a pair of threaded fasteners 5 spaced above and below.
The vibration damping device also comprises a vibration damping sealing structure arranged between the fan mounting plate 2 and the support guide rail; the vibration damping sealing structure is preferably made of sponge, and can also be made of plastic. The vibration damping sealing structure preferably includes: the first vibration reduction sealing layer 32 which is arranged between the upper buckle 42 and the lower buckle 43 and is correspondingly connected with the fan mounting plate 2 and the support guide rail, the second vibration reduction sealing layer 33 which is arranged above the upper buckle 42, the second vibration reduction sealing layer 33 is connected with the fan mounting plate 2, and a gap is reserved between the second vibration reduction sealing layer 33 and the support guide rail.
Referring to fig. 5-6, the blower assembly 1 is provided with a guide rail sliding groove structure correspondingly connected to the convex column guide rail structure of the support guide rail, and the guide rail sliding groove structure preferably includes: a fan mounting groove corresponding to the fan hole of the fan mounting plate 2, and a fan 9 arranged in the fan mounting groove; upper and lower guide runners 11, 14 corresponding to the upper and lower stud rails 41, 46; the fan mounting plate 2 and the fan assembly 1 are close to or separated from each other through the relative sliding fit of the convex column guide rail structure and the guide rail sliding groove structure, and the tail end of the convex column guide rail structure can be fixed at the bottom end of the inner wall of the guide rail sliding groove structure. The guide rail sliding groove structure is provided with a screw through hole 12 penetrating through the bottom end of the inner wall from the outer end of the guide rail sliding groove structure, a thread mounting hole 411 is formed in the tail end of the convex column guide rail structure, a screw 8 penetrates through the screw through hole 12 from the outer end of the guide rail sliding groove structure and is fastened in the thread mounting hole 411, and the support guide rail and the fan assembly 1 are connected into a whole.
The utility model provides a fan damping structure's theory of operation does:
the fan assembly 1 and the support guide rail are connected into a whole, and firstly, vibration generated by the operation of the fan is transmitted to the support guide rail; fan mounting panel 2 and support rail pass through buckle structure and through-hole 21 movably to be connected, go up simultaneously and connect through threaded fastener 5 between buckle 42 and the lower buckle 43, locate the first damping sealing layer 32 (preferably sponge system) that meets with fan mounting panel 2 and support rail correspondence between buckle 42 and the lower buckle 43 and absorb the vibration energy of part fan as the first layer damping structure between fan mounting panel 2 and the support rail, play the effect of the spaced hourglass wind that reduces between fan mounting panel 2 and the support rail simultaneously.
A second vibration damping sealing layer 33 (preferably made of sponge) which is arranged above the upper buckle 42, is connected with the fan mounting plate 2 and is provided with a gap with the support guide rail, because the gravity of the supporting guide rail and the fan assembly 1 acts on the fan mounting plate 2 through the upper buckle 42, the part of the fan mounting plate 2 above the upper buckle 42 deforms and inclines towards the direction of the supporting guide rail, at the moment, a second vibration-damping sealing layer 33 which is connected with the fan mounting plate 2 and has a gap with the supporting guide rail is reserved, and the gap reserved between the second vibration-damping sealing layer 33 and the supporting guide rail prepares allowance for the deformation and the inclination of the fan mounting plate 2, when the deformation of the fan mounting plate 2 displaces in the horizontal direction more than the gap reserved between the second vibration damping sealing layer 33 and the support rail, the second vibration-damping sealing layer 33 is in contact with the supporting seat 45 of the supporting guide rail and is used as a second layer of vibration-damping structure between the fan mounting plate 2 and the supporting guide rail to absorb part of the vibration energy of the fan.
A vibration damping layer 31 (preferably a rubber vibration damping pad) which is arranged on one surface of the fan mounting plate 2 close to the support guide rail and one surface far away from the support guide rail and corresponds to the through hole 21, since the upper clip 42 of the support rail is movably connected with the fan mounting plate 2 at the through hole 21, and the two sides of the fan mounting plate 2 corresponding to the through hole 21 are respectively provided with a rubber damping pad, a gap is left between the fan mounting plate 2 above the upper buckle 42 and the supporting guide rail, the upper buckle 42 and the fan mounting plate 2 above the upper buckle and the supporting guide rail can be regarded as forming a cantilever beam structure in practice, therefore, when the support guide rail is deformed and displaced rightwards (close to the fan mounting plate 2) under the vibration action of the fan, if the deformation and displacement exceed the clearance between the fan mounting plate 2 and the support guide rail, the rubber vibration damping pad arranged on the left side (the side close to the support guide rail) of the fan mounting plate 2 corresponding to the through hole 21 is contacted with the support guide rail and absorbs part of the vibration energy of the fan; when the support guide rail is deformed and displaced leftwards (away from the fan mounting plate 2) under the vibration effect of the fan, if the deformation and displacement exceeds the horizontal gap between the upper buckle 42 and the through hole 21, the rubber vibration damping pad arranged on one surface (away from the support guide rail) of the fan mounting plate 2 corresponding to the right side of the through hole 21 is contacted with the upper buckle 42 and absorbs part of the vibration energy of the fan; in conclusion, the vibration damping layer 31 which is arranged on the surface, close to the support guide rail, of the fan mounting plate 2 and corresponds to the through hole 21 on the surface, far away from the support guide rail, of the fan mounting plate 2 absorbs the vibration energy of a partial fan as the third-layer vibration damping structure between the fan mounting plate 2 and the support guide rail, under the combined action of the three-layer vibration damping structures, the vibration of the whole fan assembly 1 is directly conducted to the three-layer vibration damping structure and is absorbed in a dispersing manner, and therefore the abnormal noise generated by the resonance of the unit shell 6 caused by the vibration of the fan is greatly reduced.
In addition, the convex column guide rail structure of the supporting guide rail can relatively slide and exit from the guide rail sliding groove structure of the fan assembly 1 through the dismounting screw 8, the vibration damper is not required to be dismounted, and the whole fan assembly can be conveniently dismounted from the fan mounting plate 2 and the fan bracket 7 through the supporting guide rail connected with the fan assembly.
As a preferred embodiment, the top surface of the end of the upper stud guide 41 extends outwards for a length greater than the length of the bottom surface, i.e. it is an inclined surface, the threaded mounting hole 411 is perpendicular to the inclined surface, the end of the lower stud guide 46 is perpendicular to the axial direction of the lower stud guide 46, and the threaded mounting hole 411 is parallel to the axial direction of the stud guide, so that when dismounting, the upper stud guide 41 firstly exits from the upper guide runner 11, so that the remaining part of the lower stud guide 46 in the lower guide runner 14 can be inclined for a certain angle, so that the lower stud guide 46 subsequently exits from the lower guide runner 14, thereby realizing the quick separation of the whole support guide and the fan mounting plate 2 from the fan assembly 1.
In a preferred embodiment, the supporting seat 45 for supporting the guide rail is further provided with a raised grid structure 44 between the upper convex column guide rail 41 and the lower convex column guide rail 46, and the fan assembly 1 is provided with a concave grid structure 13 clamped with the grid structure 44, so as to perform the assembling and positioning functions of the supporting guide rail and the fan assembly 1.
Referring to fig. 7-8, the present invention further provides an air conditioning unit, preferably an air conditioning indoor unit, comprising a unit housing 6, a fan bracket 7, an air duct, an evaporator, and the above fan damping structure, wherein the fan mounting plate 2 is fixed to the fan bracket 7, the air duct is disposed on one side of the fan bracket 7, and the evaporator is disposed in the air duct.
As a preferred embodiment, the side surface of the fan assembly 1 is provided with a buffer sealing layer for forming a seal between the side surface of the fan assembly 1 and the unit housing 6, and the buffer sealing layer serves as a layer of vibration damping structure between the fan assembly 1 and the unit housing 6 around the fan assembly to absorb part of the vibration energy of the fan and simultaneously play a role in reducing air leakage of the space between the fan assembly 1 and the unit housing 6 around the fan assembly; the buffer sealing layer can be made of sponge or plastic.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (12)
1. The utility model provides a fan damping structure, includes fan subassembly, fan mounting panel, its characterized in that, the fan mounting panel with connect through a plurality of support rails between the fan subassembly, this support rail with be equipped with vibration damper between the fan mounting panel.
2. The fan vibration reduction structure according to claim 1, wherein the support rail includes: the back is equipped with buckle structure's supporting seat, follows the positive outward extension's of supporting seat projection guide rail structure.
3. The fan vibration reduction structure according to claim 2, wherein the fan mounting plate is provided with a through hole into which the snap structure is inserted, and the fan mounting plate and the support rail are connected by the snap structure and the through hole and a threaded fastener.
4. The fan vibration reduction structure according to claim 3, wherein the vibration reduction device comprises: locate the fan mounting panel is close to the one side of supporting rail and/or keeps away from the supporting rail one side and corresponds the damping layer of through-hole department locates the fan mounting panel with damping seal structure between the supporting rail.
5. The fan vibration reduction structure according to claim 4, wherein the snap structure comprises: and the upper buckle and the lower buckle are correspondingly arranged on the upper part and the lower part of the back surface of the supporting guide rail.
6. The fan vibration reduction structure according to claim 5, wherein the vibration reduction sealing structure comprises: locate go up between buckle and the lower buckle with the fan mounting panel with the first damping sealing layer that the support guide rail correspondence meets is located go up the second damping sealing layer of buckle top, the second damping sealing layer connect in the fan mounting panel, and with leave the clearance between the support guide rail.
7. The vibration damping structure for the fan according to claim 2, wherein the fan assembly is provided with a guide rail sliding groove structure correspondingly connected with the convex column guide rail structure, the fan mounting plate and the fan assembly are close to or separated from each other through the matching of the convex column guide rail structure and the guide rail sliding groove structure, and the tail end of the convex column guide rail structure can be fixed at the bottom end of the inner wall of the guide rail sliding groove structure.
8. The vibration reducing structure for the blower fan according to claim 7, wherein the guide rail sliding groove structure is provided with a screw through hole penetrating through the bottom end of the inner wall from the outer end of the guide rail sliding groove structure, the end of the convex column guide rail structure is provided with a threaded mounting hole, and a screw penetrates through the screw through hole from the outer end of the guide rail sliding groove structure and is fastened to the threaded mounting hole.
9. The fan vibration reduction structure according to claim 8, wherein the stud rail structure comprises: correspond to be located the upper portion and the lower upper convex column guide rail and the lower convex column guide rail of the back of support guide rail, guide rail spout structure includes: and the upper guide rail sliding groove and the lower guide rail sliding groove correspond to the upper convex column guide rail and the lower convex column guide rail.
10. The vibration reducing structure for the blower fan as claimed in claim 9, wherein the end of the upper stud guide has an inclined surface, and the threaded mounting hole is perpendicular to the inclined surface.
11. An air conditioning unit, comprising a unit housing, a fan bracket, and further comprising a fan vibration damping structure according to any one of claims 1 to 10, wherein the fan mounting plate is fixed to the fan bracket.
12. An air conditioning assembly according to claim 11 wherein the sides of the fan assembly are provided with a buffer seal layer for forming a seal between the sides of the fan assembly and the assembly housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023069655.4U CN213873157U (en) | 2020-12-18 | 2020-12-18 | Fan vibration reduction structure and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023069655.4U CN213873157U (en) | 2020-12-18 | 2020-12-18 | Fan vibration reduction structure and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213873157U true CN213873157U (en) | 2021-08-03 |
Family
ID=77069126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023069655.4U Active CN213873157U (en) | 2020-12-18 | 2020-12-18 | Fan vibration reduction structure and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213873157U (en) |
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2020
- 2020-12-18 CN CN202023069655.4U patent/CN213873157U/en active Active
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