Fan structure for water heater and heating stove

By introducing a bracket cover into the fan to fix the heat dissipation impeller and the motor, the problems of easy deformation of the motor bracket and exposure of the heat dissipation impeller are solved, which improves the product qualification rate and maintenance safety, and maintains good heat dissipation effect.

CN223814169UActive Publication Date: 2026-01-20FOSHAN CITY SHUNDE DISTRICT XIECHUANG MOTOR MFG
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Patent Information

Application Number
CN202520593058.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-20
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

The existing fan casing is supported by multiple motor brackets, which are prone to deformation due to external forces, resulting in a low product qualification rate. Furthermore, the exposed heat dissipation impeller can easily cause injury to maintenance personnel.

Method used

A support cover is used to fix the heat dissipation impeller and the motor. The support cover includes a fixed plate, a side ring and a fixed ring. It is fixed to the motor and the volute through bolt holes. The support cover is provided with heat dissipation holes to maintain heat dissipation effect. It is fixed to the volute through a connecting cover to increase the overall rigidity and safety.

Benefits of technology

It improved the product qualification rate, prevented maintenance personnel from being injured due to operational errors, and maintained good heat dissipation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fan structure for a water heater and a heating stove, which comprises a motor, a volute and a heat dissipation impeller, the heat dissipation impeller is arranged on a driving shaft of the motor, the impeller is arranged in the volute, the heat dissipation impeller rotates along with the impeller when the impeller is driven by the motor to rotate so as to drive the motor to rotate, and the heat dissipation impeller is arranged in a support cover. The support cover is buckled on the volute, the motor is fixedly installed on the support cover, and a driving shaft of the motor penetrates through the support cover and then extends into the volute, so that the driving shaft of the motor is sequentially connected with the heat dissipation impeller and the impeller. The motor is fixedly installed through the support cover, and the overall rigidity of the support cover is higher than that of an existing motor support, so that the support cover is not prone to deformation due to external force, and the product percent of pass is improved. And meanwhile, the heat dissipation impeller is arranged in the support cover, so that the maintenance personnel are prevented from being injured due to misoperation, and the heat dissipation effect is prevented from being influenced by the heat dissipation holes formed in the support cover.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fan field, especially the fan structure for water heater, heating stove. BACKGROUND

[0002] The volute and motor of the existing fan are supported by multiple motor supports, and a single motor support is easily deformed by external force, thereby causing low product qualification rate; meanwhile, the heat dissipation impeller is exposed, and the staff is easily injured due to operation error when repairing the fan. SUMMARY

[0003] The utility model discloses a fan structure for water heater, heating stove, which comprises a motor, a volute and a heat dissipation impeller, the heat dissipation impeller is installed on the driving shaft of the motor, the volute is internally installed with the impeller, further comprising a support cover, the support cover is internally installed with the heat dissipation impeller, and the support cover is buckled on the volute, the motor is fixedly installed on the support cover, the driving shaft of the motor penetrates through the support cover and extends into the volute, so that the driving shaft of the motor is sequentially connected with the heat dissipation impeller and the impeller.

[0004] According to some embodiments of the utility model, the support cover comprises a fixed disc, a side ring and a fixed ring, the fixed disc and the fixed ring are horizontally arranged and parallel to each other, the side ring is vertically arranged between the fixed disc and the fixed ring, and the side ring is connected between the fixed disc and the fixed ring.

[0005] The fixed disc is provided with a circular hole, a first heat dissipation hole and a first bolt hole, the circular hole is located at the center of the fixed disc, the circular hole is used for penetrating through the driving shaft of the motor, the first bolt hole and the first heat dissipation hole are arranged around the circular hole, and the first bolt hole is used for fixedly connecting with the motor.

[0006] The side ring is provided with a second heat dissipation hole, and the fixed ring is provided with a second bolt hole, which is used for fixedly connecting with the volute.

[0007] According to some embodiments of the utility model, the motor comprises a first casing body and a second casing body, the first flange is provided with a bent sheet on the first flange,

[0008] The second casing body is provided with a second flange on the periphery of the opening side end surface along the radial direction of the end surface, and the bent sheet is bent to clamp the second flange.

[0009] According to some embodiments of the utility model, third heat dissipation holes are opened on the first casing body, and fourth heat dissipation holes are opened on the second casing body.

[0010] According to some embodiments of the utility model, the volute comprises a first casing body and a second casing body, the first casing body is fixedly connected with the bracket cover, a clamping plate is outwardly extended along the radial direction of the end surface of the first casing body, a U-shaped buckle is outwardly bent along the radial direction of the end surface of the second casing body, and the U-shaped buckle is inserted into the clamping plate.

[0011] According to some embodiments of the utility model, a plurality of clamping plates are arranged at intervals.

[0012] A plurality of U-shaped buckles are arranged, a pressing plate is arranged between adjacent U-shaped buckles, the pressing plate is extended from the opening side of the second casing body, and the pressing plate is used for pressing between adjacent clamping plates.

[0013] According to some embodiments of the utility model, a connecting cover is further arranged, the connecting cover is fixedly connected with the volute, an opening is opened on the connecting cover, and the opening is aligned with the air inlet of the volute.

[0014] According to some embodiments of the utility model, the connecting cover comprises an L-shaped side plate, a connecting plate, a back plate and an upper sealing plate, two L-shaped side plates are arranged on the left and right sides of the connecting plate, the back plate is arranged at the back of the connecting plate, and the back plate is connected between the two L-shaped side plates.

[0015] The connecting plate is connected with the volute, the opening is arranged on the connecting plate, the opening is aligned with the air inlet of the volute, the lower end of the connecting plate is bent to form a supporting plate, the supporting plate supports the back of the upper sealing plate, and the upper sealing plate is connected between the two L-shaped side plates.

[0016] According to some embodiments of the utility model, a connecting angle code is fixedly arranged on the volute, and the connecting angle code is riveted with the connecting plate.

[0017] According to some embodiments of the utility model, a fixed hanging plate is fixedly arranged on the back plate and the upper sealing plate, the fixed hanging plate comprises a horizontal plate and a vertical plate perpendicular to the horizontal plate, the horizontal plate is fixedly connected with the connecting cover, and the vertical plate is used for hanging.

[0018] The utility model has at least the following beneficial effects:

[0019] 1. The motor is fixedly arranged through the bracket cover, the rigidity of the bracket cover is higher than that of the existing motor bracket, the bracket cover is not easily deformed due to external force, and the product qualification rate is improved.

[0020] 2. The heat dissipation impeller is arranged in the bracket cover, so that the maintenance personnel is prevented from being injured due to operation errors, and the heat dissipation effect is prevented from being affected by the heat dissipation holes arranged on the bracket cover.

[0021] Additional aspects and advantages of the present utility model will be in part apparent and in part pointed out hereinafter in the description of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0022] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily appreciated from the following description, including the accompanying drawings, in which:

[0023] Figure 1 It is the overall explosion schematic view of the embodiment of the present utility model;

[0024] Figure 2 It is the overall schematic view of the embodiment of the present utility model;

[0025] Figure 3 It is the overall overhead schematic view of the embodiment of the present utility model;

[0026] Figure 4 It is Figure 3 It is the A-A section schematic view of the embodiment of the present utility model;

[0027] Figure 5 It is the bracket cover schematic view of the embodiment of the present utility model;

[0028] Figure 6 It is the motor schematic view of the embodiment of the present utility model;

[0029] Figure 7 It is the motor explosion schematic view of the embodiment of the present utility model;

[0030] Figure 8 It is the volute schematic view of the embodiment of the present utility model;

[0031] Figure 9 It is the volute explosion schematic view of the embodiment of the present utility model;

[0032] Figure 10 It is the front view schematic view of the volute of the embodiment of the present utility model;

[0033] Figure 11 It is Figure 10 It is the B-B section schematic view of the embodiment of the present utility model;

[0034] Figure 12 It is Figure 11 It is the enlarged view of C of the embodiment of the present utility model;

[0035] Figure 13The utility model discloses a connection cover schematic diagram of embodiment of the utility model.

[0036] Figure 14 The utility model discloses a connection cover explosion schematic diagram of embodiment of the utility model. DETAILED DESCRIPTION

[0037] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0038] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation of the utility model.

[0039] In the description of the utility model, the meaning of two or more than, less than, more than and the like is not including the number. If the first, second is described, it is only for distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0040] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0041] Reference Figures 1 to 4 The utility model discloses a fan structure for water heater, heating stove, including motor 100, volute 200, heat dissipation impeller 300, heat dissipation impeller 300 is installed on the drive shaft of motor 100, volute 200 is inbuilt with impeller 400, and the process of impeller 400 is driven to rotate by motor 100, heat dissipation impeller 300 rotates with it, so as to carry out three people to motor 100, support cover 500 is inbuilt with heat dissipation impeller 300, and support cover 500 is buckled on volute 200, motor 100 is fixedly installed on support cover 500, and the drive shaft of motor 100 is inserted into volute 200 after penetrating through support cover 500, so that the drive shaft of motor 100 is connected with heat dissipation impeller 300, impeller 400 in proper order.

[0042] The motor 100 is fixedly installed by the bracket cover 500. The overall rigidity of the bracket cover 500 is stronger than that of the existing motor 100 bracket, making the bracket cover 500 less prone to deformation due to external forces, thus improving the product qualification rate. At the same time, the heat dissipation impeller 300 is installed inside the bracket cover 500 to avoid injury to maintenance personnel due to operational errors. In addition, the heat dissipation holes opened on the bracket cover 500 prevent the heat dissipation effect from being affected.

[0043] Reference Figure 5 The support cover 500 includes a fixed plate 510, a side ring 520, and a fixed ring 530. The fixed plate 510 and the fixed ring 530 are horizontally arranged, and the side ring 520 is vertically arranged with respect to the horizontal plane. The side ring 520 is connected between the fixed plate 510 and the fixed ring 530. The side ring 520 surrounds the heat dissipation impeller 300 to prevent external objects or personnel from contacting it, and to prevent the heat dissipation impeller 300 from being damaged or causing injury to personnel during rotation.

[0044] A circular hole 511, a first heat dissipation hole 512, and a first bolt hole 513 are provided on the fixed plate 510. The circular hole 511 is located at the center of the fixed plate 510 and is used to pass through the drive shaft of the motor 100. The first bolt hole 513 and the first heat dissipation hole 512 are arranged around the circular hole 511 and the first bolt hole 513 is used to fix and connect to the motor 100.

[0045] A second heat dissipation hole 521 is opened on the side ring 520; a second bolt hole 531 is opened on the fixing ring 530. The second bolt hole 531 is used to fix and connect with the volute 200. External cold air enters through the second heat dissipation hole 521, and then the heat dissipation impeller 300 blows it to the motor 100 through the first heat dissipation hole 512 for heat dissipation.

[0046] Reference Figure 6 , 7 The motor 100 includes a first housing 110 and a second housing 120. A first flange 111 extends outward in the radial direction of the end face of the open side of the first housing 110. A bent foot piece 112 is provided on the first flange 111.

[0047] A second flange 121 extends outward in the radial direction of the end face at the periphery of the open side end face of the second housing 120. When assembling the first housing 110 and the second housing 120, the bent foot piece 112 is bent so that the bent foot piece 112 clamps the second flange 121.

[0048] To further enhance the heat dissipation of the motor 100, a third heat dissipation hole 113 is provided on the first housing 110, and a fourth heat dissipation hole 122 is provided on the second housing 120.

[0049] Reference Figures 8 to 12, the volute 200 includes a first shell 210, a second shell 220, the first shell 210 is connected and fixed with the bracket cover 500, the periphery of the open side end face of the first shell 210 extends outward along the radial direction of the end face and has a clamping plate 211, the periphery of the open side end face of the second shell 220 is outwardly bent along the radial direction of the end face and has a U-shaped buckle 221, when the first shell 210 and the second shell 220 are assembled, the U-shaped buckle 221 is inserted into the clamping plate 211, and the clamping plate 211 is fixed by the U-shaped buckle 221.

[0050] To realize the stability of the assembled first shell 210 and second shell 220, the clamping plate 211 and the U-shaped buckle 221 can be used in multiple, wherein the multiple clamping plates 211 are spaced apart to ensure uniform stress; in the embodiment, the clamping plate 211 and the U-shaped buckle 221 are used in three.

[0051] To further strengthen the stability of the assembled first shell 210 and second shell 220, a pressing plate 222 is arranged between adjacent U-shaped buckles 221, and the pressing plate 222 is extended from the open side periphery of the second shell 220.

[0052] After the first shell 210 and the second shell 220 are assembled, the pressing plate 222 is used to press on the first shell 210, and the pressing plate 222 is located between adjacent clamping plates 211.

[0053] Referring to Figure 1 , in order to facilitate installation in a water heater or a heating stove, the volute 200 is fixedly connected with a connecting cover 600, an opening 601 is opened on the connecting cover 600, and the opening 601 is aligned with the air inlet of the volute 200.

[0054] Referring to Figure 13 , 14 , the connecting cover 600 includes L-shaped side plates 610, a connecting plate 620, a back plate 630, and an upper sealing plate 640, the L-shaped side plates 610 are two pieces, the two pieces of L-shaped side plates 610 are arranged on the left and right sides of the connecting plate 620, the back plate 630 is arranged at the back of the connecting plate 620, and the back plate 630 is connected between the two pieces of L-shaped side plates 610.

[0055] Because the overall weight of the motor 100 and the volute 200 is large, the connecting cover 600 which is in the shape of an L can extend the support area to the motor 100 and the volute 200 downward to form a good support for the motor 100 and the volute 200.

[0056] The connecting plate 620 is connected with the volute 200, and a through hole 601 is formed in the connecting plate 620 and is aligned with the air inlet of the volute 200. The lower end of the connecting plate 620 is bent to form a supporting plate 621 which supports the rear part of an upper sealing plate 640. The upper sealing plate 640 is connected between two L-shaped side plates 610, so that the connecting plate 620 and the upper sealing plate 640 form an integral whole, thereby increasing the stability of the fixation between the motor 100 and the volute 200.

[0057] In order to facilitate the fixation and installation of the volute 200, a connecting angle code 700 is fixed on the volute 200 and is riveted with the connecting plate 620.

[0058] In order to facilitate the fixation of the whole machine, a fixed hanging plate 800 is fixed on the back plate 630 and the upper sealing plate 640. The fixed hanging plate 800 comprises a horizontal plate 810 and a vertical plate 820 which is perpendicular to the horizontal plate 810. The horizontal plate 810 is fixedly connected with the connecting cover 600, and the vertical plate 820 is connected with the shell of the water heater and the heating stove, thereby facilitating the fixation of the whole machine.

[0059] In the description of the present specification, the description of the terms "some embodiments" or "it is conceivable that" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner without departing from the purpose of the present application.

[0060] The embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the above embodiments. Within the scope of the knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present application.

Claims

1. A fan structure for water heaters, heating stoves, comprising a motor (100), a volute (200), a heat dissipation impeller (300) mounted on the drive shaft of the motor (100), and an impeller (400) mounted in the volute (200), characterized in that, Also include the bracket cover (500), the bracket cover (500) is opened with the heat dissipation hole, the bracket cover (500) is loaded into the heat dissipation impeller (300) in, and the bracket cover (500) is buckled on the volute (200), the motor (100) is fixedly installed on the bracket cover (500), the drive shaft of the motor (100) is inserted into the volute (200) after penetrating through the bracket cover (500), make the drive shaft of the motor (100) is connected with the heat dissipation impeller (300), the impeller (400) in turn.

2. The fan structure for a water heater, a heating stove according to claim 1, wherein The bracket cover (500) includes a fixed disc (510), a side ring (520), a fixed ring (530), the fixed disc (510) and the fixed ring (530) are horizontally arranged, and the fixed disc (510) and the fixed ring (530) are parallel to each other, the side ring (520) is vertically arranged between the fixed disc (510) and the fixed ring (530), and the side ring (520) is connected between the fixed disc (510) and the fixed ring (530). The fixed disc (510) is opened with a circular hole (511), a first heat dissipation hole (512) and a first bolt hole (513), the circular hole (511) is located at the center of the fixed disc (510), the circular hole (511) is used for penetrating the drive shaft of the motor (100), the first bolt hole (513) and the first heat dissipation hole (512) are arranged around the circular hole (511), and the first bolt hole (513) is used for fixedly connecting the motor (100). The side ring (520) is opened with a second heat dissipation hole (521), and the fixed ring (530) is opened with a second bolt hole (531), and the second bolt hole (531) is used for fixedly connecting the volute (200).

3. The fan structure for a water heater, a heating stove according to claim 1, wherein The motor (100) includes a first machine shell (110) and a second machine shell (120), a first flange (111) is outwardly extended along the radial direction of the end surface at the periphery of the open side end surface of the first machine shell (110), and a bent tab (112) is arranged on the first flange (111), A second flange (121) is outwardly extended along the radial direction of the end surface at the periphery of the open side end surface of the second machine shell (120), and the bent tab (112) is bent to clamp the second flange (121).

4. The fan structure for a water heater, a heating stove according to claim 3, wherein The first machine shell (110) is opened with a third heat dissipation hole (113), and the second machine shell (120) is opened with a fourth heat dissipation hole (122).

5. The fan structure for a water heater, a heating stove according to claim 1, wherein The volute (200) includes a first shell (210) and a second shell (220), the first shell (210) is connected and fixed with the bracket cover (500), a clamping plate (211) is outwardly extended along the radial direction of the end surface at the periphery of the open side end surface of the first shell (210), and a U-shaped buckle (221) is outwardly bent along the radial direction of the end surface at the periphery of the open side end surface of the second shell (220), and the U-shaped buckle (221) is inserted into the clamping plate (211).

6. The fan structure for a water heater, a heating stove according to claim 5, wherein The cardboards (211) are multiple, and the multiple cardboards (211) are arranged at intervals. The U-shaped buckles (221) are multiple, and the adjacent U-shaped buckles (221) are arranged at intervals and provided with pressing plates (222) extended from the opening side periphery of the second shell (220), the pressing plates (222) are used for pressing on the first shell (210), and the pressing plates (222) are located between the adjacent cardboards (211).

7. The fan structure for a water heater, a heating stove according to claim 1, wherein The connecting cover (600) is fixedly connected with the volute (200), and the connecting cover (600) is provided with a through opening (601) aligned with the air inlet of the volute (200).

8. The fan structure for a water heater, a heating stove according to claim 7, wherein The connecting cover (600) comprises L-shaped side plates (610), a connecting plate (620), a back plate (630) and an upper sealing plate (640), the two L-shaped side plates (610) are arranged on the left and right sides of the connecting plate (620), the back plate (630) is arranged at the back of the connecting plate (620), and the back plate (630) is connected between the two L-shaped side plates (610). The connecting plate (620) is connected with the volute (200), the through opening (601) is arranged on the connecting plate (620), and the lower end of the connecting plate (620) is bent to form a supporting plate (621) supporting the back of the upper sealing plate (640), and the upper sealing plate (640) is connected between the two L-shaped side plates (610).

9. The fan structure for a water heater, a heating stove according to claim 8, wherein The connecting angle code (700) is fixedly arranged on the volute (200) and riveted with the connecting plate (620).

10. The fan structure for a water heater, a heating stove according to claim 8, wherein The fixing hanging plate (800) is fixedly arranged on the back plate (630) and the upper sealing plate (640), and the fixing hanging plate (800) comprises a horizontal plate (810) and a vertical plate (820) perpendicular to the horizontal plate (810), the horizontal plate (810) is fixedly connected with the connecting cover (600), and the vertical plate (820) is used for fixing installation.