Fan assembly and inverter comprising same

Abstract

The utility model discloses a fan assembly and an inverter comprising the same, the fan assembly comprises a plurality of fans, a first fan support and a second fan support, at least one fan is arranged on the first fan support, the other fans are arranged on the second fan support, and the fan support is arranged on the second fan support. The first connecting piece and the second connecting piece are respectively arranged at one end of the first fan bracket and one end of the second fan bracket; a gap is formed between the end lugs at the two ends of the first connecting piece and the second connecting piece, screws penetrate through the corresponding end lugs to be matched with nuts, and the screws serve as rotating pin shafts to achieve hinge joint of the first fan support and the second fan support. The fan assembly and the inverter comprising the fan assembly are low in cost and high in universality, space is saved due to the foldable design, and disassembly, assembly and maintenance of the fan assembly are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy, in particular to a fan component and an inverter comprising the same. Background Art

[0002] As the inverter ages, it needs to be maintained, especially the external fan assembly. In the prior art, there are two fan assembly solutions. The first is a fixed fan assembly, which fixes the fan assembly to the inverter main frame; the second is a pull-out hinge fan assembly, which is fixed to the inverter external dust cover. The first solution is not compatible with different installation spaces and is not convenient for customers or customer service to disassemble and maintain. Although the second solution is convenient for maintenance, each maintenance requires the entire fan assembly to be replaced, which has high maintenance costs. Utility Model Content

[0003] The purpose of the utility model is to provide a fan assembly and an inverter containing the same in order to solve the above problems.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] First, the utility model discloses a fan assembly, including multiple fans, a first fan bracket, and a second fan bracket, at least one of the fans is arranged on the first fan bracket, and the remaining fans are arranged on the second fan bracket, and also includes a first connecting member and a second connecting member respectively arranged at one end of the first fan bracket and one end of the second fan bracket; there is a gap between the end ears at both ends of the first connecting member and the second connecting member, and a screw passes through the corresponding end ear and cooperates with a nut, and the screw serves as a rotating pin to realize the hinge of the first fan bracket and the second fan bracket.

[0006] Furthermore, the first connecting member and the first fan bracket are integrally formed, and the second connecting member and the second fan bracket are integrally formed.

[0007] Furthermore, the first connecting member has a first end ear and a second end ear at both ends, and the second connecting member has a third end ear and a fourth end ear at both ends, the third end ear is located outside the first end ear and corresponds to its position, and the fourth end ear is located outside the second end ear and corresponds to its position.

[0008] Furthermore, the screw includes two bolts, and the nut includes two self-clinching nuts or two self-clinching nut columns.

[0009] Further, the two self-clinching nuts are respectively arranged on the third end ear and the fourth end ear, and the screw rods of the two bolts pass through the through hole of the first end ear and the through hole of the second end ear respectively, and are respectively locked on the two self-clinching nuts; or, the two self-clinching nuts are respectively arranged on the first end ear and the second end ear, and the two bolts are respectively locked on the two self-clinching nuts, and the screw rods of the two bolts pass through the through hole of the third end ear and the through hole of the fourth end ear respectively, and the bolts and the through holes are clearance-matched.

[0010] Further, the two self-riveting nut columns are respectively arranged on the third end ear and the fourth end ear, and the screw rods of the two bolts pass through the through hole of the first end ear and the through hole of the second end ear respectively, and are respectively locked to the two self-riveting nut columns; or, the two self-riveting nut columns are respectively arranged on the first end ear and the second end ear, and the two bolts are respectively locked to the two self-riveting nut columns, and the screw rods of the two bolts pass through the through hole of the third end ear and the through hole of the fourth end ear respectively, and the bolts and the through holes are clearance-matched.

[0011] Furthermore, there are two nuts, the screw is a stud, and through holes are provided on the first end ear to the fourth end ear. After the stud passes through the through hole, the two nuts are respectively screwed into the two ends of the stud, and the stud is gap-matched with the through hole.

[0012] Furthermore, there are two nuts, one of which is a self-clinching nut / self-clinching nut column, the screw is a stud, the self-clinching nut / the self-clinching nut column is arranged on the third end ear or the fourth end ear, and the stud passes through the through holes of the remaining three end ears and one end is screwed into the self-clinching nut / the self-clinching nut column, and the nut is screwed into the other end of the stud; the stud is gap-matched with the through hole.

[0013] Secondly, the utility model also discloses an inverter, comprising the above-mentioned fan assembly.

[0014] The beneficial effects of the utility model include but are not limited to:

[0015] 1. The unique structural design of the fan assembly significantly reduces the cost of the fan assembly and has high universality;

[0016] 2. The block-type pull-out and foldable design is compatible with a variety of installation spaces and is easy and quick to install;

[0017] 3. New hinged structure design, easy to disassemble, high reliability and convenient maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an exploded view of a fan assembly of the utility model;

[0019] Figure 2 This utility model Figure 1 A three-dimensional diagram of a fan assembly;

[0020] Figure 3 This utility model Figure 1 A schematic diagram of a fan assembly without a fan installed;

[0021] Figure 4 This utility model Figure 3 The enlarged schematic diagram of the first embodiment at A in the middle;

[0022] Figure 5 This utility model Figure 3 An enlarged schematic diagram of the second embodiment at A in the middle;

[0023] Figure 6 This utility model Figure 3 The enlarged schematic diagram of the third embodiment at A in the middle;

[0024] Figure 7 This utility model Figure 3 The enlarged schematic diagram of the fourth embodiment at A in the middle;

[0025] Figure 8 Demonstration of the utility model Figure 1 Schematic diagram of an inverter.

[0026] The following are the descriptions of the reference numerals:

[0027] 1. Fan; 2. First fan bracket; 21. First connecting piece; 211. First connecting piece body; 212. First end ear; 2121. First through hole; 213. Second end ear; 2131. Second through hole; 3. Second fan bracket; 31. Second connecting piece; 311. Second connecting piece body; 312. Third end ear; 3121. Third through hole; 313. Fourth end ear; 3131. Fourth through hole; 4. Screw; 41. First bolt; 42. Second bolt; 43. Double-headed stud; 5. Nut; 51. First self-clinching nut; 52. Second self-clinching nut; 53. Third self-clinching nut (column); 61. First self-clinching nut column; 62. Second self-clinching nut column; 7. Inverter; 8. Fan assembly. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings:

[0029] like Figure 1 - Figure 7As shown, a fan assembly 8 includes multiple fans 1, a first fan bracket 2, and a second fan bracket 3, and also includes a first connecting member 21 arranged at one end of the first fan bracket 2, and a second connecting member 31 arranged at one end of the second fan bracket 3, there is a gap between the end ears at both ends of the first connecting member 21 and the second connecting member 31, a screw 4 passes through the corresponding end ear and cooperates with a nut 5, the screw 4 serves as a rotating pin to realize the hinge between the first fan bracket 2 and the second fan bracket 3, wherein at least one of the multiple fans 1 is arranged on the first fan bracket 2, and the remaining fans are arranged on the second fan bracket 3.

[0030] In one embodiment, the first connector 21 has a first connector body 211 and first end ears 212 and second end ears 213 at its two ends; the second connector 31 has a second connector body 311 and third end ears 312 and fourth end ears 313 at its two ends; the third end ear 312 is located on the outside of the first end ear 212 and corresponds to the position of the first end ear 212, and the fourth end ear 313 is located on the outside of the second end ear 213 and corresponds to the position of the second end ear 213; the length of the first connector body 211 is less than the length of the second connector body 311, so that there is a gap between the third end ear 312 and the first end ear 212, and there is a gap between the fourth end ear 313 and the second end ear 213.

[0031] In one embodiment, the first connecting member 21 is integrally formed with the first fan bracket 2, the second connecting member 31 is integrally formed with the second fan bracket 3, the first end ear 212 and the second end ear 213 are formed by folding up the two sides of one end of the first fan bracket 2, and the third end ear 312 and the fourth end ear 313 are formed by folding up one end of the second fan bracket 3 and bending its two sides toward the first fan bracket 2; in other embodiments, the first connecting member 21 can be fixed to one end of the first fan bracket 2 by fasteners or welding, and the second connecting member 31 can be fixed to one end of the second fan bracket 3 by fasteners or welding.

[0032] In one embodiment, Figure 4As shown, the screw 4 includes a first bolt 41 and a second bolt 42, and the nut 5 includes a first rivet nut 51 and a second rivet nut 52. The first rivet nut 51 is arranged on the third end ear 312, and the first end ear 212 is provided with a first through hole 2121 at a position corresponding to the first rivet nut 51, and the second rivet nut 52 is arranged on the fourth end ear 313. The first bolt 41 is locked with the first rivet nut 51, and the screw of the first bolt 41 passes through the first through hole 2121; the second end ear 213 is provided with a second through hole 2131 at a position corresponding to the second rivet nut 52, and the second bolt 42 is locked with the second rivet nut 52, and the screw of the second bolt 42 passes through the second through hole 2131. The bolt is fixed to the second connecting member 31 by locking with the rivet nut, thereby fixing the bolt to the second fan bracket 3, and the bolt and the through hole are clearance-matched, and the bolt serves as a rotation pin to realize the relative rotation between the second fan bracket 3 and the first fan bracket 2. It can be understood that the positions of the through holes and the rivet nuts can be interchanged, that is, the two rivet nuts are respectively arranged on the first end ear 212 and the second end ear 213, and the two through holes are respectively arranged at the corresponding positions of the third end ear 312 and the fourth end ear 313. The two bolts are respectively locked on the two rivet nuts, and the screw rods of the two bolts pass through the two through holes respectively, which is equivalent to fixing the bolts to the first connecting member 21, thereby fixing the bolts to the first fan bracket 2. The bolts and the through holes are clearance fit, and the bolts serve as a rotating pin to realize the relative rotation between the second fan bracket 3 and the first fan bracket 2.

[0033] Figure 5 Another embodiment of a connecting piece is shown, which is different from the above embodiment in that the nut 5 includes a first self-riveting nut column 61 and a second self-riveting nut column 62, or the first self-riveting nut 51 and the second self-riveting nut 52 are replaced by the first self-riveting nut column 61 and the second self-riveting nut column 62 respectively; the scheme is changed accordingly: two self-riveting nut columns (the first self-riveting nut column 61 and the second self-riveting nut column 62) are respectively arranged on the third end ear 312 and the fourth end ear 313, and the screw rods of the two bolts (the first bolt 41 and the second bolt 42) pass through the through hole of the first end ear 212 and the through hole of the second end ear 213 respectively. They are respectively locked to the two self-riveting nut columns (the first self-riveting nut column 61 and the second self-riveting nut column 62); or, the two self-riveting nut columns (the first self-riveting nut column 61 and the second self-riveting nut column 62) are respectively arranged on the first end ear 212 and the second end ear 213, and the two bolts (the first bolt 41 and the second bolt 42) are respectively locked to the two self-riveting nut columns (the first self-riveting nut column 61 and the second self-riveting nut column 62), and the screws of the two bolts (the first bolt 41 and the second bolt 42) pass through the through hole of the third end ear 312 and the through hole of the fourth end ear 313 respectively; wherein, the bolts and the through holes are clearance-matched.

[0034] Figure 6A connecting piece of another embodiment is shown, which is different from the aforementioned embodiment in that the screw 4 is a stud 43, and the first end ear 212, the second end ear 213, the third end ear 312 and the fourth end ear 313 are all provided with through holes, which are the first through hole 2121, the second through hole 2131, the third through hole 3121 and the fourth through hole 3131 respectively. After the stud 43 passes through all the through holes, two nuts 5 are respectively screwed into the two ends of the stud 43, and the stud 43 is clearance-matched with the through hole. The stud 43 serves as a rotating pin to realize the relative rotation between the second fan bracket 3 and the first fan bracket 2.

[0035] Figure 7 Another embodiment of the connector is shown. Figure 6 The difference between the illustrated embodiments is that one of the two nuts 5 is replaced by a third self-clinching nut (column) 53, that is, a third self-clinching nut 53 or a third self-clinching nut column 53, the third self-clinching nut (column) 53 is arranged on the third end ear 312 or the fourth end ear 313, and through holes are arranged at corresponding positions of the other three end ears, and the stud 43 passes through the three through holes and one end is screwed into the self-clinching nut (column) 53, and the nut 5 is screwed into the other end of the stud 43; the stud 43 is clearance-matched with the through hole, and the stud 43 serves as a rotating pin to realize the relative rotation between the second fan bracket 3 and the first fan bracket 2.

[0036] like Figure 8 As shown, the utility model further discloses an inverter 7 , comprising the aforementioned fan assembly 8 .

[0037] The fan assembly 8 and inverter 7 of the utility model can realize the block-hinged design of the fan assembly only through the cooperation of connecting parts, screws and nuts. The design is simple, the cost is low, and the versatility is good. The fan assembly can be folded and installed in a narrow space, and it is also convenient for the disassembly and maintenance of the fan assembly in a narrow space.

[0038] In this article, “ / ” represents an or relationship.

[0039] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A fan assembly, comprising a plurality of fans, a first fan bracket, and a second fan bracket, wherein at least one of the fans is arranged on the first fan bracket, and the remaining fans are arranged on the second fan bracket, characterized in that: It also includes a first connecting member and a second connecting member, which are respectively arranged at one end of the first fan bracket and one end of the second fan bracket; there is a gap between the end ears at both ends of the first connecting member and the second connecting member, and a screw passes through the corresponding end ear and cooperates with a nut, and the screw serves as a rotating pin to realize the hinge connection of the first fan bracket and the second fan bracket.

2. A fan assembly according to claim 1, characterized in that: The first connecting member is integrally formed with the first fan bracket, and the second connecting member is integrally formed with the second fan bracket.

3. A fan assembly according to claim 1, characterized in that: The first connecting member has a first end ear and a second end ear at both ends, and the second connecting member has a third end ear and a fourth end ear at both ends. The third end ear is located outside the first end ear and corresponds to its position, and the fourth end ear is located outside the second end ear and corresponds to its position.

4. A fan assembly according to claim 3, characterized in that: The screw includes two bolts, and the nut includes two self-clinching nuts or two self-clinching nut columns.

5. A fan assembly according to claim 4, characterized in that: The two self-clinching nuts are respectively arranged on the third end ear and the fourth end ear, and the screw rods of the two bolts pass through the through hole of the first end ear and the through hole of the second end ear, and are respectively locked on the two self-clinching nuts; or, the two self-clinching nuts are respectively arranged on the first end ear and the second end ear, and the two bolts are respectively locked on the two self-clinching nuts, and the screw rods of the two bolts pass through the through hole of the third end ear and the through hole of the fourth end ear, and the bolts and the through holes are clearance-matched.

6. A fan assembly according to claim 4, characterized in that: The two self-riveting nut columns are respectively arranged on the third end ear and the fourth end ear, and the screw rods of the two bolts pass through the through hole of the first end ear and the through hole of the second end ear respectively, and are respectively locked on the two self-riveting nut columns; or, the two self-riveting nut columns are respectively arranged on the first end ear and the second end ear, and the two bolts are respectively locked on the two self-riveting nut columns, and the screw rods of the two bolts pass through the through hole of the third end ear and the through hole of the fourth end ear respectively, and the bolts and the through holes are clearance-matched.

7. A fan assembly according to claim 3, characterized in that: There are two nuts, and the screw is a stud. Through holes are provided on the first end ear to the fourth end ear. After the stud passes through the through hole, the two nuts are respectively screwed into the two ends of the stud, and the stud is loosely matched with the through hole.

8. A fan assembly according to claim 3, characterized in that: There are two nuts, one of which is a self-clinching nut / self-clinching nut column, and the screw is a stud. The self-clinching nut / the self-clinching nut column is arranged on the third end ear or the fourth end ear. After the stud passes through the through holes of the remaining three end ears, one end is screwed into the self-clinching nut / the self-clinching nut column, and the nut is screwed into the other end of the stud; the stud is gap-matched with the through hole.

9. An inverter, characterized in that: The invention comprises a fan assembly as described in any one of claims 1 to 8.

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