Double-air-inlet air conditioner fan

Abstract

The double-air-inlet air conditioner fan comprises a machine frame and a wind wheel, the machine frame is provided with a flow guide cavity, an air inlet hole, an air outlet hole, a flow guide piece and a side supporting piece, the air outlet hole is provided with an upper edge and a lower edge which are vertically opposite, and the flow guide piece extends from the upper edge to the lower edge in the circumferential direction of the air inlet hole to define the flow guide cavity. The side supporting pieces extend outwards from the edges of the air inlet holes in the radial direction of the air inlet holes, the two air inlet holes and the two side supporting pieces are in one-to-one correspondence, the two side supporting pieces are arranged on the left side and the right side of the flow guide piece respectively, and the wind wheel is contained in the flow guide cavity. According to the utility model, the rack is configured into the flow guide piece which extends from the upper edge to the lower edge along the circumferential direction of the air inlet hole to define the flow guide cavity and the side supporting piece which extends outwards from the hole edge of the air inlet hole in the radial direction of the air inlet hole, so that the rack is integrated, the structure is stable, and noise caused by looseness of all parts forming the rack when the wind wheel rotates is avoided. Due to the fact that the two side supporting pieces are arranged on the left side and the right side of the flow guide piece respectively, the machine frame is in bilateral symmetry, the structure is stable, and the ventilation / heat dissipation effect is good.

Description

Technical Field

[0001] The utility model relates to an air conditioner fan, in particular to a double-inlet air conditioner fan. Background Art

[0002] An air conditioner fan is a device used for ventilation and heat dissipation in an air conditioner unit. The existing air conditioner fan includes a volute, a wind wheel and a base frame. The base frame is a frame structure. The volute is installed on the base frame through bolts and nuts. The wind wheel is accommodated in the volute and can rotate relative to the volute. Since the volute is installed on the base frame through bolts and nuts, the bolts and nuts are prone to loosening when the wind wheel rotates, resulting in mutual shaking between the volute and the base frame when the wind wheel rotates, and the air outlet noise of the fan is large. Content of the Utility Model

[0003] The purpose of the utility model is to provide a double-inlet air conditioner fan to solve the problem that in the existing air conditioner fan, the base frame adopts a frame structure, the volute is installed on the base frame through bolts and nuts, the bolts and nuts are prone to loosening when the wind wheel rotates, resulting in mutual shaking between the volute and the base frame when the wind wheel rotates, and the air outlet noise of the fan is large.

[0004] The utility model is realized through the following technical solutions:

[0005] The double-inlet air conditioner fan includes a frame and a wind wheel. The frame has a diversion cavity, an air inlet hole, an air outlet hole, a diversion member and a side support member. The air outlet hole has an upper edge and a lower edge that are opposite to each other. The diversion member extends from the upper edge along the circumferential direction of the air inlet hole to the lower edge to enclose the diversion cavity. The side support member extends outward from the edge of the air inlet hole in the radial direction of the air inlet hole. Both the air inlet hole and the side support member are two and correspond one by one. The two side support members are respectively arranged on the left and right sides of the diversion member. The wind wheel is accommodated in the diversion cavity.

[0006] Further, the diversion member is welded to the side support member; or the diversion member and the side support member are integrally formed.

[0007] Further, the diversion member is in a volute shape. The diversion member has a straight portion and an arc portion. The straight portion extends horizontally backward from the upper edge. The arc portion extends from the rear end of the straight portion along the circumferential direction of the air inlet hole to the lower edge. The arc portion is concentric with the air inlet hole. The value range of the central angle corresponding to the arc portion is: 120° - 130°.

[0008] Further, a reinforcing member connected to the outer wall of the diversion member is provided between the two side support members.

[0009] Further, the side support member is rectangular. The outer edge of the side support member is turned over in a direction away from the diversion member to form a flanging. A plurality of assembly holes spaced in the circumferential direction of the side support member are formed on the flanging.

[0010] Further, a carrying hole is formed at one end of the side support member away from the air outlet hole, and the carrying hole is triangular in shape.

[0011] Further, a driving mechanism for driving the wind wheel to rotate is further included. The driving mechanism includes a driving shaft extending from one air inlet hole to the other air inlet hole and connected to the wind wheel. A support frame is provided on the side of the side support member facing away from the flow guiding member, and a bearing seat rotatably connected to the driving shaft is provided on the support frame.

[0012] Further, the support frame is detachably and fixedly connected to the side support member; and / or the support frame includes a cross bar and a vertical bar. The cross bar extends forward and backward and is connected to the side support member, and the vertical bar extends upward and downward and is respectively connected to the side support member and the cross bar. The bearing seat is arranged on the cross bar.

[0013] Further, the wind wheel has a plurality of air guiding vanes inclined in the same direction in its circumferential direction, and the distance between any two adjacent air guiding vanes is not greater than 10 mm.

[0014] The advantages of this technical solution are as follows: By configuring the frame into a flow guiding member that extends from the upper edge along the circumference of the air inlet hole to the lower edge to enclose a flow guiding cavity and a side support member that extends outward from the edge of the air inlet hole in the radial direction of the air inlet hole, the frame is made into an integral body, with stable structure, avoiding noise generated due to loosening of the components constituting the frame (volute and base frame) when the wind wheel rotates. And because the frame is an integral body, there is no need for assembly, saving assembly costs. Also, because there are 2 side support members, and the two side support members are respectively arranged on the left and right sides of the flow guiding member, the frame is symmetric left and right, with stable structure. Also, because there are 2 air inlet holes and 1 air outlet hole, the double-inlet air-conditioning fan can achieve double-sided air inlet and single-sided air outlet, with good air exchange / heat dissipation effect. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the description of the embodiments.

[0017] Figure 1 is a three-dimensional view of the double-inlet air-conditioning fan disclosed in the embodiment Figure 1 ;

[0018] Figure 2 is a three-dimensional view of the double-inlet air-conditioning fan disclosed in the embodimentFigure 2 ;

[0019] Figure 3 is a cross-sectional view of the double-inlet air-conditioning fan disclosed in the embodiment;

[0020] Figure 4 is an exploded view of the double-inlet air-conditioning fan disclosed in the embodiment;

[0021] Figure 5 is a perspective view of the frame in the embodiment. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] Embodiment: As Figures 1-5 shown, the double-inlet air-conditioning fan includes a frame 1 and a wind wheel 2. The frame 1 has a diversion cavity 101, an air inlet hole 102, an air outlet hole 103, a diversion member 104 and a side support member 105. The air outlet hole 103 has an upper edge 106 and a lower edge 107 that are opposite to each other up and down. The diversion member 104 extends from the upper edge 106 along the circumference of the air inlet hole 102 to the lower edge 107 to enclose the diversion cavity 101. The side support member 105 extends in the radial direction of the air inlet hole 102 from the hole edge of the air inlet hole 102 in a direction away from the air inlet hole 102. Both the air inlet hole 102 and the side support member 105 are two and correspond one by one. The two side support members 105 are respectively arranged on the left and right sides of the diversion member 104. The wind wheel 2 is accommodated in the diversion cavity 101. This embodiment provides a double-inlet air-conditioning fan to solve the problem that in the existing air-conditioning fan, the base frame adopts a frame structure, the volute is installed on the base frame through bolts and nuts, and the bolts and nuts are prone to loosen during the rotation of the wind wheel, resulting in the volute and the base frame shaking relative to each other during the rotation of the wind wheel, and the air outlet noise of the fan is large. The main solution is to configure the frame 1 into a diversion member 104 that extends from the upper edge 106 along the circumference of the air inlet hole 102 to the lower edge 107 to enclose the diversion cavity 101 and a side support member 105 that extends outward from the hole edge of the air inlet hole 102 in the radial direction of the air inlet hole 102, so that the frame 1 forms an integral body with stable structure, avoiding noise generated due to the loosening of the components constituting the frame (volute and base frame) during the rotation of the wind wheel 2. And because the frame 1 is an integral body, there is no need for assembly, saving assembly costs. Also, since there are 2 side support members 105, and the two side support members 105 are respectively arranged on the left and right sides of the diversion member 104, the frame 1 is symmetric left and right with stable structure. Also, since there are 2 air inlet holes 102 and 1 air outlet hole 103, the double-inlet air-conditioning fan can achieve double-sided air inlet and single-sided air outlet, with good air exchange / heat dissipation effect.

[0024] In the embodiment of the present utility model, the flow guiding member 104 is welded to the side support member 105, or the flow guiding member 104 and the side support member 105 are integrally formed. Since the flow guiding member 104 is welded to the side support member 105 or the flow guiding member 104 and the side support member 105 are integrally formed, the connection between the flow guiding member 104 and the side support member 105 is stable, and the structural stability of the frame 1 is good.

[0025] In the embodiment of the present utility model, the flow guiding member 104 is in a volute shape. The flow guiding member 104 has a straight portion 108 and an arc portion 109. The straight portion 108 extends horizontally backward from the upper edge 106. The arc portion 109 extends circumferentially along the intake hole 102 from the rear end of the straight portion 108 to the lower edge 107. The arc portion 109 is concentric with the intake hole 102. The value range of the central angle corresponding to the arc portion 109 is: 120° - 130°. The above setting configures the flow guiding member 104 in a volute shape, and the value range of the central angle corresponding to the arc portion 109 is: 120° - 130°, so that the flow guiding member 104 has a good flow guiding effect, with a large air volume and a fast wind speed.

[0026] In the embodiment of the present utility model, a reinforcing member 110 connected to the outer wall of the flow guiding member 104 is provided between the two side support members 105. Specifically, the reinforcing member 110 is welded to the two side support members 105 and the flow guiding member. Since a reinforcing member 110 connected to the outer wall of the flow guiding member 104 is provided between the two side support members 105, the overall structure of the frame 1 is stable.

[0027] In the embodiment of the present utility model, the side support member 105 is rectangular. Since the side support member 105 is rectangular, the overall structure of the frame 1 is stable.

[0028] In the embodiment of the present utility model, the outer edge of the side support member 105 is turned over away from the flow guiding member 104 to form a flanging 111, and a plurality of assembly holes 112 spaced circumferentially on the side support member 105 are formed on the flanging 111. Since the outer edge of the side support member 105 is turned over away from the flow guiding member 104 to form a flanging 111, and a plurality of assembly holes 112 spaced circumferentially on the side support member 105 are formed on the flanging 111, it is convenient to connect the frame 1 to an external object to fix the fan.

[0029] In the embodiment of the present utility model, a handle hole 113 is formed at one end of the side support member 105 away from the air outlet hole 103, and the handle hole 113 is triangular. The above setting facilitates the handling and displacement of the double-inlet air-conditioning fan by providing a handle hole 113 at one end of the side support member 105 away from the air outlet hole 103.

[0030] In an embodiment of the present utility model, it further includes a driving mechanism 3 for driving the wind wheel 2 to rotate. The driving mechanism 3 includes a driving shaft 301 that extends from one air inlet hole 102 to the other air inlet hole 102 and is connected to the wind wheel 2. On the side of the side support member 105 facing away from the flow guiding member 104, there is a support frame 114, and a bearing seat 115 rotatably connected to the driving shaft 301 is provided on the support frame 114. The above arrangement enables the two ends of the driving shaft 301 to be installed on one side of the air inlet hole 102 by configuring the support frame 114 on the side support member 105 and configuring the bearing seat 115 on the support frame 114, with simple assembly and good installation stability.

[0031] In an embodiment of the present utility model, the support frame 114 and the side support member 105 are detachably and fixedly connected. Since the support frame 114 and the side support member 105 are detachably and fixedly connected, it is convenient for the assembly of the driving shaft 301.

[0032] In an embodiment of the present utility model, the support frame 114 includes a cross bar 116 and a vertical bar 117. The cross bar 116 extends forward and backward and is connected to the side support member 105, and the vertical bar 117 extends up and down and is respectively connected to the side support member 105 and the cross bar 116. The bearing seat 115 is arranged on the cross bar 116. Since the support frame 114 is in a T shape, it has a good support effect.

[0033] In an embodiment of the present utility model, the wind wheel 2 has a plurality of air guiding vanes 201 that are inclined in the same direction in its circumferential direction, and the distance between any two adjacent air guiding vanes 201 is not greater than 10 mm. Since the distance between any two adjacent air guiding vanes 201 is not greater than 10 mm, the wind wheel 2 has a good air extraction effect.

[0034] It should be understood that in the present utility model, terms such as "first" and "second" are used to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present utility model, the "first" information can also be called the "second" information, and similarly, the "second" information can also be called the "first" information. In addition, the orientation or positional relationship indicated by terms such as "center of the circle", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0035] As described above, one or more implementation manners are provided in combination with specific content, and it is not determined that the specific implementation of the present utility model is only limited to these descriptions. Any approximation, similarity to the method, structure, etc. of the present utility model, or several technical deductions or replacements made under the premise of the concept of the present utility model should be regarded as the protection scope of the present utility model.

Claims

1. A double-inlet air-conditioning fan, comprising a frame and a wind wheel, characterized in that: The frame has a guide cavity, an air inlet, an air outlet, a guide member and a side support member. The air outlet has an upper edge and a lower edge that are opposite to each other. The guide member extends from the upper edge along the circumference of the air inlet to the lower edge to form the guide cavity. The side support member extends outward from the edge of the air inlet in the radial direction of the air inlet. There are two air inlet holes and two side support members that correspond to each other one by one. The two side support members are respectively arranged on the left and right sides of the guide member. The wind wheel is accommodated in the guide cavity.

2. The double-inlet air-conditioning fan according to claim 1, characterized in that: The flow guide member is welded to the side support member; or the flow guide member and the side support member are integrally formed.

3. The double-inlet air-conditioning fan according to claim 1, characterized in that: The guide member is in the shape of a volute, and has a straight portion and an arc portion. The straight portion extends horizontally backward from the upper edge, and the arc portion extends from the rear end of the straight portion along the circumference of the air inlet hole to the lower edge. The arc portion is concentrically arranged with the air inlet hole, and the value range of the central angle corresponding to the arc portion is: 120°~130°.

4. The double-inlet air-conditioning fan according to claim 1, characterized in that: A reinforcing member connected to the outer wall of the flow guide member is arranged between the two side support members.

5. The double-inlet air-conditioning fan according to claim 1, characterized in that: The side support member is rectangular, and the outer edge of the side support member is folded in a direction away from the guide member to form a flange, and a plurality of assembly holes arranged at intervals in the circumferential direction of the side support member are formed on the flange.

6. The double-inlet air-conditioning fan according to claim 1, characterized in that: A hand-carrying hole is formed at one end of the side support member away from the air outlet, and the hand-carrying hole is triangular in shape.

7. The double-inlet air-conditioning fan according to claim 1, characterized in that: It also includes a driving mechanism for driving the wind wheel to rotate, the driving mechanism includes a driving shaft extending from one air inlet hole to another air inlet hole and connected to the wind wheel, a support frame is provided on the side of the side support member facing away from the guide member, and a bearing seat is provided on the support frame that is rotatably connected to the driving shaft.

8. The double-inlet air-conditioning fan according to claim 7, characterized in that: The support frame is detachably fixedly connected to the side support member; and / or the support frame includes a cross bar and a vertical bar, the cross bar extends forward and backward and is connected to the side support member, the vertical bar extends upward and downward and is respectively connected to the side support member and the cross bar, and the bearing seat is arranged on the cross bar.

9. The double-inlet air-conditioning fan according to claim 1, characterized in that: The wind wheel has a plurality of wind guide blades inclined in the same direction on its circumference, and the distance between any two adjacent wind guide blades is no more than 10 mm.

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