Motor fixing structure and air conditioner

Abstract

The motor fixing structure comprises a motor support connected with a motor and a pre-tightening support fixed in position, the pre-tightening support comprises a plurality of strip-shaped mounting holes distributed in the circumferential direction relative to the motor, the motor support is provided with mounting feet matched with the strip-shaped mounting holes in an inserted mode, and the motor support is provided with a plurality of clamping grooves. In the length direction of the strip-shaped mounting hole, the distance between the strip-shaped mounting hole and the motor becomes smaller, and the distance between the mounting foot and the motor is larger than the minimum distance between the strip-shaped mounting hole and the motor and smaller than the maximum distance between the strip-shaped mounting hole and the motor. According to the utility model, by arranging the pre-positioning structure, the motor can be pre-fixed during installation, so that stable positioning is provided for installation, and the motor is prevented from falling off during installation.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a motor fixing structure and an air conditioner. Background Art

[0002] In air conditioners, the motor is a key component, and air conditioners need to be designed with a structure to fix the motor. In particular, for top-blowing air conditioners, the motor is located above the top air outlet, and the motor is usually fixed to the top cover of the top-blowing air conditioner through a fixing frame or other structure. Because the air conditioner's pipelines and other key components are located below the motor, if the motor falls above the top air outlet during installation, it will cause chain damage. Utility Model Content

[0003] In order to solve the problem that the motor is easy to fall off during installation, the utility model proposes a motor fixing structure and an air conditioner. By setting a pre-positioning structure, the motor can be pre-fixed during installation, thereby providing stable positioning for the installation and preventing the motor from falling off during installation.

[0004] The technical solution adopted by the utility model is to design a motor fixing structure, including a motor bracket connected to the motor and a pre-tightening bracket fixed in position, the pre-tightening bracket including a plurality of strip mounting holes distributed circumferentially relative to the motor, the motor bracket is provided with mounting feet plugged into the strip mounting holes, along the length direction of the strip mounting holes, the distance of the strip mounting holes relative to the motor changes from large to small, the distance of the mounting feet relative to the motor is greater than the minimum distance of the strip mounting holes relative to the motor but less than the maximum distance of the strip mounting holes relative to the motor.

[0005] In some embodiments, the mounting foot includes an insertion portion extending outward in the radial direction of the motor and used for inserting into the strip-shaped mounting hole, and the motor bracket is provided with a resistance portion that presses against the inner side of the pre-tightening bracket.

[0006] In some embodiments, the motor bracket includes a connecting rod distributed circumferentially relative to the motor, one end of the connecting rod is connected to the motor and the other end is connected to the motor, the connecting rod is an arc-shaped rod connected from the motor toward the preload bracket, and the interference portion is the end of the arc-shaped rod.

[0007] In some embodiments, the ends of the arc rod are simultaneously connected to a motor mounting plate, a motor fixing hole is opened in the middle of the motor mounting plate, the motor is fixed to the motor fixing hole through a connecting frame, and there is an air flow gap between the motor and the motor fixing hole.

[0008] In some embodiments, a first connection hole is provided on the insertion portion, a second connection hole corresponding to the first connection hole is provided on the pre-tightening bracket, and the first connection hole and the second connection hole are connected via a connecting member.

[0009] In some embodiments, the pre-tightening bracket is fixed on the plate body, and the motor bracket is provided with an auxiliary mounting foot, and the auxiliary mounting foot is detachably connected to the plate body.

[0010] In some embodiments, a third connection hole is provided on the auxiliary mounting foot, a fourth connection hole corresponding to the third connection hole is provided on the plate body, and the third connection hole is connected to the fourth connection hole via a connecting member.

[0011] In some embodiments, the pre-tightening bracket is a polygonal frame, and the strip-shaped mounting holes are arranged on the frame edge of the polygonal frame.

[0012] An air conditioner comprises the motor fixing structure.

[0013] In some embodiments, the pre-tightening bracket is arranged on the top cover of the air conditioner, an upper air outlet corresponding to the motor is arranged in the middle of the top cover, the motor is located above the upper air outlet, and the pre-tightening bracket is fixed around the upper air outlet.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model sets a pre-tightening bracket on the top cover, and a notch is opened on the pre-tightening bracket as a mounting hole. The motor bracket is rotated to screw the mounting foot into the mounting hole for fastening, thereby realizing self-locking of the motor bracket and the top cover. A fixing method is added on the basis of the fastener connection, and multi-point fixing is used at the same time, which can enhance the reliability of the motor bracket and effectively keep the motor bracket in the original position without loosening or falling. At the same time, the top cover and the motor bracket are firmly fixed and the space is compact, thereby realizing maximum utilization of the space. At the same time, the utility model only needs to set a pre-tightening bracket on the top cover, and does not need to add a beam or other supporting structure, so the space is relatively compact and the demand for air conditioner space is small. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is described in detail below in conjunction with specific embodiments and drawings. In order to show details and facilitate understanding of its principles, it is not necessarily drawn to scale, and similar reference numerals may describe similar components in different views. The drawings generally illustrate the embodiments discussed herein by way of example and not limitation. Among them:

[0017] Figure 1 This is a schematic diagram of the motor and motor bracket after connection.

[0018] Figure 2 It is a three-dimensional schematic diagram of the motor being fixed to the top cover through the motor bracket and the pre-tightening bracket.

[0019] Figure 3 yes Figure 2 Schematic top view of .

[0020] Figure 4 This is a schematic diagram of the insertion portion immediately after being inserted into the bar-shaped mounting hole.

[0021] Figure 5 yes Figure 4 A magnified schematic diagram of center A.

[0022] Figure 6 It is a schematic diagram after the insertion portion is rotated relative to the strip-shaped mounting hole so that the first connecting hole corresponds to the second connecting hole.

[0023] Figure 7 yes Figure 6 The enlarged schematic diagram of point B in the middle is shown.

[0024] In the figure, 1. pre-tightening bracket; 2. strip-shaped mounting hole; 3. motor; 4. insertion part; 5. arc-shaped rod; 6. motor mounting plate; 7. motor fixing hole; 8. first connecting hole; 9. second connecting hole; 10. top cover; 11. third connecting hole; 12. fourth connecting hole; 13. extension part; 14. upper air outlet. DETAILED DESCRIPTION

[0025] The following are specific embodiments of the present invention, and the technical solution of the present invention is further described in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments, and the following embodiments do not limit the utility model involved in the claims. In addition, all combinations of the features described in the embodiments are not necessarily required for the solution of the utility model.

[0026] The principle and structure of the present utility model are described in detail below with reference to the accompanying drawings and embodiments.

[0027] Example

[0028] There is a risk of the motor getting loose and falling during the transportation, installation and operation of the air conditioner, so a motor bracket structure is often designed to fix the motor. For top-blowing air conditioners, the motor bracket is often anti-gravity and needs to be fixed with fasteners. Once the fasteners fail, the motor bracket may get loose, and damage the pipeline and other key components, causing damage to the air conditioner. Therefore. The utility model provides a motor bracket structure that can prevent it from falling off, which can achieve self-locking of the motor bracket and the top cover, which can not only reliably fix the motor, but also prevent the motor bracket from falling off and causing damage.

[0029] like Figure 1 ,2 As shown in Figure 3, the motor 3 fixing structure includes a motor 3 bracket connected to the motor 3 and a pre-tightening bracket 1 fixed in position, the pre-tightening bracket 1 includes a plurality of strip mounting holes 2 distributed circumferentially relative to the motor, the motor 3 bracket is provided with mounting feet plugged with the strip mounting holes 2, along the length direction of the strip mounting holes 2, the distance of the strip mounting holes 2 relative to the motor 3 changes from large to small, the distance of the mounting feet relative to the motor 3 is greater than the minimum distance of the strip mounting holes 2 relative to the motor 3 and less than the maximum distance of the strip mounting holes 2 relative to the motor 3. For the convenience of explanation, the end of the strip mounting hole 2 with a larger distance relative to the motor 3 is defined as the first end, and the end of the strip mounting hole 2 with a larger distance relative to the motor 3 is defined as the second end, that is, the distance of the mounting feet relative to the motor 3 is greater than the distance of the second end relative to the motor 3 and less than the distance of the first end relative to the motor 3. In this embodiment, there are four strip mounting holes 2, and of course, other numbers can also be used. During installation, the mounting feet on the motor 3 bracket can be rotated into the mounting hole, and the pre-tightening bracket 1 can clamp the mounting feet, thereby preventing the motor 3 bracket from loosening and falling when the fastener fails.

[0030] The beneficial effect of such arrangement is that: since the distance between the strip mounting hole 2 and the motor 3 changes from large to small along the length direction of the strip mounting hole 2, the distance between the mounting foot and the motor 3 is greater than the minimum distance between the strip mounting hole 2 and the motor 3 but less than the maximum distance between the strip mounting hole 2 and the motor 3. Therefore, during installation, the mounting feet of the motor 3 bracket can be first made to correspond to the first ends of the strip mounting holes 2 respectively, and then the mounting feet can be rotated from the first end to the second end along the length direction of the strip mounting hole 2 for the motor 3 bracket. Since the distance between the mounting foot and the motor 3 is greater than the distance between the second end and the motor 3, when the mounting foot is rotated to the second end, the mounting foot and the strip mounting hole 2 are pressed against each other in the radial direction, so that the mounting foot is locked and fixed relative to the strip mounting hole 2. The fixation can temporarily fix the motor 3 bracket relative to the pre-tightening bracket 1, that is, the motor 3 is pre-fixed relative to the pre-tightening bracket 1, thereby effectively preventing the risk of the motor 3 falling off when installing the motor 3. The motor 3 bracket can be screwed into the strip-shaped mounting hole 2 by rotation to achieve pre-fixation, which is convenient for installation and is not easy to loosen after being fixed.

[0031] like Figure 4 , 5As shown in , 6 and 7, the mounting foot includes an insertion portion 4 extending outward in the radial direction of the motor 3 for inserting into the strip-shaped mounting hole 2, and an abutment portion is provided on the bracket of the motor 3 to press the inner side of the pre-tightening bracket 1.

[0032] The beneficial effect of such a configuration is that the abutment portion abuts against the strip-shaped mounting hole 2 to achieve radial fixation of the motor 3 bracket, and after the insertion portion 4 extending radially outward from the motor 3 is inserted into the strip-shaped mounting hole 2, the up and down movement of the motor 3 bracket can be prevented, thereby achieving all-round fixation of the motor 3 bracket.

[0033] The motor 3 bracket includes four connecting rods distributed circumferentially relative to the motor 3, one end of the connecting rod is connected to the motor 3 and the other end is connected to the motor 3, the connecting rod is an arc rod 5 connected from the motor 3 toward the preload bracket 1, and the interference portion is the end of the arc rod 5.

[0034] The beneficial effect of such a configuration is that the arc rod 5 is used as a connecting rod to fix the motor 3, and the arc rod 5 can lift the position of the motor 3 upward relative to the pre-tightening bracket 1. The arc rod 5 forms an upward arch shape for the motor 3, which has a large supporting force and also has the function of shock absorption and impact prevention. Since the arc rod 5 has an arc and has good elastic force, the arc rod 5 has better top pressure elastic force when it resists the pre-tightening bracket 1. In particular, since the motor 3 is arched upward by the upper end of the arc rod 5, the greater the mass of the motor 3, the greater the resistance pressure of the lower end of the arc rod 5 on the pre-tightening bracket 1, the greater the pre-tightening force, and the firmer the pre-tightening.

[0035] The end of the arc rod 5 is connected to the motor 3 mounting plate at the same time. The motor 3 mounting plate has a motor 3 fixing hole in the middle. The motor 3 is fixed to the motor 3 fixing hole through a connecting frame. There is an air flow gap between the motor 3 and the motor 3 fixing hole. The motor 3 bracket is connected to the motor 3 mounting plate by welding to fix the motor 3 mounting plate.

[0036] The beneficial effect of such a configuration is that the ends of the arc rod 5 are simultaneously connected by a motor 3 mounting plate, so that the arc rod 5 can form a whole, which is convenient for disassembly and assembly with the motor 3, and there is an air flow gap between the motor 3 and the motor 3 fixing hole, which is conducive to the air flow passing around the motor 3 to achieve heat dissipation of the motor 3.

[0037] The inserting portion 4 is provided with a first connecting hole 8 , and the pre-tightening bracket 1 is provided with a second connecting hole 9 corresponding to the first connecting hole 8 , and the first connecting hole 8 is connected to the second connecting hole 9 via a connecting piece.

[0038] The beneficial effect of such a setting is that when the motor 3 bracket is pre-fixed relative to the pre-tightening bracket 1, the first connecting hole 8 corresponds to the second connecting hole 9. At this time, the first connecting hole 8 and the second connecting hole 9 can be connected by connecting parts such as bolts, thereby realizing the fixed connection between the motor 3 bracket and the pre-tightening bracket 1.

[0039] The pre-tightening bracket 1 is fixed on the plate body, and the bracket of the motor 3 is provided with auxiliary mounting feet, and the auxiliary mounting feet are detachably connected to the plate body. The plate body of this embodiment is a top cover 10 of an air conditioner.

[0040] The beneficial effect of such a configuration is that the connection between the auxiliary mounting foot and the plate body helps to improve the fixing strength of the motor 3 bracket, plays a role in allocating the force on the mounting foot, strengthens the weak point and improves reliability. The auxiliary mounting foot is directly fixed on the top cover 10, plays a role in allocating the force, and the two-point fixation is more firm and reliable.

[0041] The auxiliary mounting foot is provided with a third connection hole 11, and the plate body is provided with a fourth connection hole 12 corresponding to the third connection hole 11, and the third connection hole 11 is connected to the fourth connection hole 12 through a connecting piece. The auxiliary mounting foot is an extension portion 13 extending from the end of the annular rod, and the third connection hole 11 is provided on the extension portion 13.

[0042] The beneficial effect of such a configuration is that when the motor 3 bracket is pre-fixed relative to the pre-tightening bracket 1, the third connecting hole 11 corresponds to the fourth connecting hole 12. At this time, the third connecting hole 11 and the fourth connecting hole 12 can be connected by connecting parts such as bolts, thereby achieving a fixed connection between the motor 3 bracket and the plate body, thereby providing firmness of the motor 3 bracket.

[0043] The pre-tightening bracket 1 is a polygonal frame, and the strip-shaped mounting holes 2 are arranged on the frame edge of the polygonal frame.

[0044] The beneficial effect of such a setting is that the pre-tightening bracket 1 is a polygonal frame, which is not only conducive to the fixation of the pre-tightening bracket 1, but also conducive to improving the structural strength of the pre-tightening bracket 1, and dispersing the force at the connection with the motor 3 bracket to the entire polygonal frame, playing a role in sharing the force, and then the entire frame transfers it to other fixed structures. The strip mounting hole 2 is set on the frame edge of the polygonal frame. Since the distances from the motor 3 to each part of the frame edge in the rectangular direction of the polygonal frame are different, the strip mounting hole 2 is opened on the frame edge to conveniently achieve the effect of different distances between each part of the strip mounting hole 2 and the motor 3, thereby achieving the pre-fixation of the mounting foot relative to the pre-tightening bracket 1.

[0045] Applying the motor 3 fixing structure to fix the air conditioner motor 3 is helpful to prevent the motor 3 from falling off and damaging other parts of the air conditioner, thereby preventing chain damage to other parts of the air conditioner.

[0046] The pre-tightening bracket 1 is arranged on the top cover 10 of the air conditioner, an upper air outlet 14 corresponding to the motor 3 is arranged in the middle of the top cover 10, the motor 3 is located above the upper air outlet 14, and the pre-tightening bracket 1 is fixed around the upper air outlet 14. A guide ring is arranged on the upper air outlet 14.

[0047] After the motor 3 bracket is rotated into place, it is tightened. The mounting foot is fixed together with the pre-tightening bracket 1 and the top cover 10, which is firmly and reliably fixed and can effectively prevent loosening. The auxiliary mounting foot does not contact the pre-tightening bracket 1, but is directly fixed to the top cover 10, which plays a role in sharing the force and improving reliability. After the mounting foot and the auxiliary mounting foot are tightened, the motor 3 bracket assembly is fixed on the top cover 10.

[0048] The beneficial effect of such a configuration is that by arranging the pre-tightening bracket 1 on the top cover 10 of the air conditioner, the motor 3 can be conveniently and firmly fixed above the upper air outlet 14 of the air conditioner, thereby driving the impeller in the upper air outlet 14 to rotate and realize ventilation and heat dissipation of the air conditioner.

[0049] The motor bracket of the utility model is fixed to the top cover by fasteners, and a pre-tightening bracket is provided on the top cover, and a notch is provided on the pre-tightening bracket as a mounting hole. The motor bracket is rotated so that its mounting foot is screwed into the mounting hole and fastened. The motor bracket adopts a multi-point fixing method, which has good reliability, multi-point force sharing, and is not easy to be damaged. Even if the fastener fails, the motor bracket can be hung on the top cover by the pre-tightening bracket, and will not fall off to cause damage to the motor, bracket or other components.

[0050] At the same time, the utility model only needs to set a pre-tightening bracket on the top cover, and does not need to add a crossbeam or other supporting structure, so the space is relatively compact and the demand for air conditioner space is small.

[0051] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them in similar ways, without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0052] Although some terms are used more frequently in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model. The execution order of actions, steps, etc. in the devices and methods shown in the specification and the drawings can be implemented in any order as long as there is no special explicit limitation on the order and the output of the previous processing is not used in the subsequent processing. Similar sequential terms (for example, "first", "next", "secondly", "again", "then", etc.) used for the convenience of description do not mean that they must be implemented in such an order.

[0053] Those skilled in the art should understand that all directional references (for example, above, below, upward, up, downward, down, top, bottom, left, right, vertical, horizontal, etc.) are used descriptively in the drawings to facilitate the reader's understanding, and do not represent limitations (for example, on position, orientation or use, etc.) on the scope of the present invention as defined by the appended claims. They are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the referred device or element must have a specific orientation or be constructed and operated in a specific orientation. The directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0054] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0055] In addition, some vague terms (e.g., substantially, certain, generally, etc.) may refer to slight inaccuracies or slight deviations of conditions, quantities, values, or dimensions, some of which are within the manufacturing deviation or tolerance range. It should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above words have no special meanings and therefore cannot be understood as limiting the scope of protection of this application.

Claims

1. The motor fixing structure is characterized by: It includes a motor bracket connected to the motor and a pre-tightening bracket fixed in position, the pre-tightening bracket includes a plurality of strip mounting holes distributed circumferentially relative to the motor, the motor bracket is provided with mounting feet plugged into the strip mounting holes, along the length direction of the strip mounting holes, the distance of the strip mounting holes relative to the motor decreases from large to small, the distance of the mounting feet relative to the motor is greater than the minimum distance of the strip mounting holes relative to the motor but less than the maximum distance of the strip mounting holes relative to the motor.

2. The motor fixing structure according to claim 1, characterized in that: The mounting foot comprises an insertion portion extending outward in the radial direction of the motor and used for inserting into the strip-shaped mounting hole, and the motor bracket is provided with a resistance portion for pressing the inner side of the pre-tightening bracket.

3. The motor fixing structure according to claim 2, characterized in that: The motor bracket includes a connecting rod distributed circumferentially relative to the motor, one end of the connecting rod is connected to the motor and the other end is connected to the motor, the connecting rod is an arc rod connected from the motor toward the preload bracket, and the abutment portion is the end of the arc rod.

4. The motor fixing structure according to claim 3, characterized in that: The end of the arc rod is connected to the motor mounting plate at the same time. A motor fixing hole is opened in the middle of the motor mounting plate. The motor is fixed to the motor fixing hole through a connecting frame. There is an air flow gap between the motor and the motor fixing hole.

5. The motor fixing structure according to claim 2, characterized in that: The inserting portion is provided with a first connecting hole, the pre-tightening bracket is provided with a second connecting hole corresponding to the first connecting hole, and the first connecting hole is connected to the second connecting hole through a connecting piece.

6. The motor fixing structure according to claim 1, characterized in that: The pre-tightening bracket is fixed on the plate body, and the motor bracket is provided with an auxiliary mounting foot, and the auxiliary mounting foot is detachably connected to the plate body.

7. The motor fixing structure according to claim 6, characterized in that: The auxiliary mounting foot is provided with a third connecting hole, the plate body is provided with a fourth connecting hole corresponding to the third connecting hole, and the third connecting hole is connected to the fourth connecting hole through a connecting member.

8. The motor fixing structure according to claim 1, characterized in that: The pre-tightening bracket is a polygonal frame, and the strip-shaped mounting holes are arranged on the frame edge of the polygonal frame.

9. An air conditioner, characterized in that It comprises the motor fixing structure as claimed in any one of claims 1 to 8.

10. The air conditioner according to claim 9, characterized in that: The pre-tightening bracket is arranged on the top cover of the air conditioner, an upper air outlet corresponding to the motor is arranged in the middle of the top cover, the motor is located above the upper air outlet, and the pre-tightening bracket is fixed around the upper air outlet.

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