Molding ring and volute mounting structure
By designing the volute fan's molding ring and volute installation structure, the volute is installed first and then the molding ring is formed. The volute is used to limit the molding ring's offset, which solves the problems of impeller damage and resource waste during the installation of the volute fan, and improves installation efficiency and stability.
Patent Information
- Application Number
- CN202520867529.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-06
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-06
AI Technical Summary
Existing volute fans are prone to damage to the impeller during installation due to contact with the impeller, and measuring the impeller clearance requires multiple installations and disassemblies of the casing and volute, which wastes resources.
Design a ring and volute mounting structure, install the volute first and then install the ring, use the volute to limit the ring offset, and use a current collector and limit ring made of stainless steel to improve stability.
This allows for the individual installation of parts, preventing blade damage, improving installation efficiency and stability, and reducing resource waste.
Smart Images

Figure CN223952913U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fan assembly technical field, especially a kind of ring and volute mounting structure. BACKGROUND
[0002] Fan volute is an important component of centrifugal fan, which is composed of volute plate and shell body with specific profile design. The main function of volute is to collect and guide airflow, improve aerodynamic efficiency and reduce noise. Profile design, volute tongue design, manufacturing precision and material selection of volute have significant influence on performance. Fan volute is widely used in various ventilation equipment, with the advantages of improving efficiency, reducing noise and prolonging service life.
[0003] Volute fan ring is a special design of ring fan. Volute structure helps to guide airflow, improve efficiency and performance of fan. Design of volute fan ring also focuses on energy concentration effect, structural optimization and material selection to ensure stable operation and long-term use of fan.
[0004] In the prior art, when installing ordinary volute fan, the volute ring shell is installed first, and then the volute is installed. When installing the volute on the fan, the impeller on the fan may be touched, which may cause damage to the fan impeller. When measuring the gap between the impellers, the volute ring and the volute body need to be installed and disassembled multiple times, which is a waste of resources and increases the cost. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide a kind of ring and volute mounting structure, solve the prior art, ordinary volute fan when installing, it may touch the impeller on the fan, cause damage to the fan impeller, measure the gap between the impellers, need to install and disassemble volute ring and volute body multiple times, it is a waste of resources and other problems.
[0006] To achieve the above-mentioned purpose, a kind of ring and volute mounting structure is provided, comprising: ventilation pipe, the connecting end of the ventilation pipe is fixedly connected with a connecting interface, the other end of the ventilation pipe is fixedly connected with volute tongue.
[0007] The other end of the volute tongue is fixedly connected with volute, the middle part of the volute is clamped with a slot, and the slot is fixedly connected with a ring, the middle part of the ring is provided with a ring inner slot, the right side of the ring is provided with a mounting slot, the side close to the mounting slot of the ring is provided with a limiting mounting ring, the outer surface of the ring is provided with a heat dissipation hole, the two ends of the heat dissipation hole are provided with a ring mounting hole, the top of the mounting slot is provided with a limiting ring, and the limiting ring is provided with a positioning hole.
[0008] The inner side of the volute is provided with volute inner wall, and the volute inner wall is provided with volute connecting hole.
[0009] The volute connecting hole is fixed between the ring mounting hole on the ring, and the size of the volute connecting hole matches the opening of the ring.
[0010] The bottom ring is arranged on the limiting installation ring, and an internal installation groove is formed in the inner side of the bottom ring.
[0011] A fan is arranged in the internal installation groove of the bottom ring, and fixed guide vanes are fixedly connected between the bottom rings.
[0012] The volute is fixedly connected with a current collector on the outer surface, and the current collector is made of stainless steel.
[0013] The limiting ring limits the components below the bottom of the volute, and the positioning hole fixes the components below the volute.
[0014] The above-mentioned scheme has the beneficial effects that:
[0015] 1. The device first installs the volute and then installs the ring, so that the installation of two parts can be realized separately, the smooth flow and installation efficiency of the parts can be ensured, and the overall convenience of the device is improved.
[0016] 2. The device uses the volute to limit the deviation of the ring, so that the ring will not collide with the blades of the impeller during installation, the damage of the blades is reduced, and the stability of the device during installation is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the ring and volute mounting structure of the utility model.
[0018] Figure 2 It is a side cross-sectional view of the ring and volute mounting structure of the utility model.
[0019] Figure 3 It is a ring structure schematic view of the ring and volute mounting structure of the utility model.
[0020] Figure 4 It is an impeller structure schematic view of the ring and volute mounting structure of the utility model.
[0021] Figure 5 It is a current collector structure schematic view of the ring and volute mounting structure of the utility model.
[0022] LEGEND:
[0023] 1, ventilation pipe; 101, connecting interface; 102, volute tongue; 2, volute; 201, volute inner wall; 202, volute connecting hole; 3, ring; 301, ring inner groove; 302, mounting groove; 303, limiting mounting ring; 304, heat dissipation hole; 305, ring mounting hole; 306, limiting ring; 307, positioning hole; 4, bottom ring; 401, inner mounting groove; 402, fixed guide vane; 5, current collector. DETAILED DESCRIPTION
[0024] Referring to Figures 1-5 , the utility model discloses a ring and volute mounting structure, it includes ventilation pipe 1, and the connecting end of ventilation pipe 1 is fixedly connected with connecting interface 101, and connecting interface 101 is connected with other device, and wind force is delivered to other device, and the other end of ventilation pipe 1 is fixedly connected with volute tongue 102, and volute tongue 102 can prevent gas to circulate through the shell, ensure that gas normally flows and discharges;
[0025] the other end of volute tongue 102 is fixedly connected with volute 2, and the middle part of volute 2 is clamped with the groove, and the groove is fixedly connected with ring 3, and ring 3 has the effect of limiting and fixing, and the middle part of ring 3 is provided with ring inner groove 301, and one side of ring 3 close to mounting groove 302 is provided with limiting mounting ring 303, and limiting mounting ring 303 has the effect of limiting, and the outer surface of ring 3 is provided with heat dissipation hole 304, and heat dissipation hole 304 can discharge the hot gas generated in the device, and the two ends close to heat dissipation hole 304 are provided with ring mounting hole 305, and limiting ring 306 is arranged on the top of mounting groove 302, and positioning hole 307 is arranged on limiting ring 306;
[0026] the inner side of volute 2 is provided with volute inner wall 201, and volute connecting hole 202 is arranged on volute inner wall 201, and volute connecting hole 202 has the effect of fixing, and the stability between volute 2 and ring 3 is improved;
[0027] volute connecting hole 202 and ring mounting hole 305 on ring 3 are fixed, and the size of volute connecting hole 202 and the size of the aperture of ring 3 are consistent, and volute connecting hole 202 and ring mounting hole 305 on ring 3 are fixed to improve the stability of the device as a whole;
[0028] limiting mounting ring 303 is provided with bottom ring 4, and the inner side of bottom ring 4 is provided with inner mounting groove 401, and bottom ring 4 can drive fixed guide vane 402 to rotate and work, and other devices are shunted;
[0029] the inner mounting groove 401 of bottom ring 4 is provided with a fan, and the fixed guide vane 402 is fixedly connected between the bottom ring 4, and the wind force generated by the fan is shunted and guided through the fixed guide vane 402;
[0030] The outer surface of the volute 2 is fixedly connected with the current collector 5, the current collector 5 is made of stainless steel material, the current collector 5 can stably transport external wind to the inside of the device, the stainless steel has good corrosion resistance, and the service life of the device can be improved;
[0031] The limiting ring 306 limits the components below the bottom of the volute 2, the positioning hole 307 fixes the components below the volute 2, and the limiting ring 306 and the positioning hole 307 both have the stability of improving the whole device.
[0032] When the device is used, first, the volute 2 is fixedly connected with the fan, the output end of the fan is sleeved with the bottom ring 4, the fixed guide vane 402 on the bottom ring 4 can diffuse the sharp produced by the fan, the volute 2 is fixed with the ring 3, the volute connecting hole 202 on the inner wall 201 of the volute is fixed with the ring mounting hole 305 on the ring 3, after the fixing is completed, the ring 3 is installed on the fan, the limiting ring 306 below the ring 3 can help the ring 3 to reduce the offset during installation, the positioning hole 307 on the limiting ring 306 can be fixed to reduce the collapse, when used, the current collector 5 sucks air into the inside of the device, the fan pushes the wind to the volute 2 to circulate, the fixed guide vane 402 can divide and guide the air, the air enters the ventilation pipe 1 through the volute tongue 102, and the air is transported.
Claims
1. A band and volute mounting structure characterized by, Including the ventilation pipe (1), the connecting end of the ventilation pipe (1) is fixedly connected with the connecting interface (101), and the other end of the ventilation pipe (1) is fixedly connected with the volute tongue (102); The other end of the volute tongue (102) is fixedly connected with the volute (2), the middle part of the volute (2) is clamped with a groove, and the groove is fixedly connected with the grommet (3), the middle part of the grommet (3) is provided with grommet inner groove (301), the right side of the grommet (3) is provided with mounting groove (302), the side close to the mounting groove (302) of the grommet (3) is provided with limiting mounting ring (303), the outer surface of the grommet (3) is provided with heat dissipation hole (304), the two ends of the heat dissipation hole (304) are provided with grommet mounting hole (305), the top of the mounting groove (302) is provided with limiting ring (306), and the limiting ring (306) is provided with positioning hole (307).
2. The ring and volute mounting structure according to claim 1, characterized by The inner side of the volute (2) is provided with volute inner wall (201), and the volute inner wall (201) is provided with volute connecting hole (202).
3. The ring and volute mounting structure according to claim 2, characterized by The volute connecting hole (202) is fixed between the volute connecting hole (202) and the grommet mounting hole (305) on the grommet (3), and the size of the volute connecting hole (202) and the grommet (3) is consistent.
4. The ring and volute mounting structure according to claim 1, characterized by The limiting mounting ring (303) is provided with bottom ring (4), and the inner side of the bottom ring (4) is provided with internal mounting groove (401).
5. The ring and volute mounting structure according to claim 4, wherein The internal mounting groove (401) of the bottom ring (4) is provided with a fan, and the bottom ring (4) is fixedly connected with the fixed guide vane (402).
6. The ring and volute mounting structure according to claim 1, characterized by The outer surface of the volute (2) is fixedly connected with the current collector (5), and the current collector (5) is made of stainless steel material.
7. The ring and volute mounting structure according to claim 1, characterized by The limiting ring (306) limits the components below the volute (2), and the positioning hole (307) fixes the components below the volute (2).