Anti-vortex fountain pump
By adopting a casing structure and a dispersed water inlet mechanism in the fountain pump, the problem of vortex at a larger flow rate or shallow pool underwater is solved, and the water flow stability and artistic performance are improved, reducing silt and sand suction.
Patent Information
- Application Number
- CN202010243327.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-03-31
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2040-03-31
AI Technical Summary
Existing fountain pumps are prone to vortex under large flow rates or shallow pool water conditions, affecting the stability of the water flow, resulting in poor performance in water show art and prone to inhaling the silt bottom of the pool.
An anti-vortex fountain pump was designed, and the casing structure was adopted to form the impeller installation pipe section, the motor installation pipe section and the 90° bend section in sequence. The water inlet position adjustment and multi-point position are achieved through the flow shield and the dispersed water inlet mechanism. Disperse the incoming water to ensure the stability of the water flow and avoid vortex.
Effectively adapt to shallow pool water and large flow velocity conditions without vortex, reduce the inhalation of silt and sand at the bottom of the pool, ensure the stability of the outlet water flow, improve the artistic expression effect of water show, and reduce the burden on the fountain motor and improve the cooling effect.
Smart Images
Figure CN111306072B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to a fountain pump, in particular to an anti-vortex fountain pump. Background Art
[0002] The existing fountain pump is generally composed of four parts: water pump, submersible motor, water pipe and control switch. When the fountain flow rate is high or the water in the fountain pool is shallow, the fountain pump may generate a large vortex when working, thus affecting the stability of the water flow and greatly affecting the artistic performance of the water show. In order to prevent the generation of vortices, the existing fountain pool must have sufficient depth, which can easily lead to a significant increase in the construction cost of the fountain pool.
[0003] Therefore, the research purpose of the present invention is to develop an anti-vortex fountain pump that can effectively adapt to shallow pool water and large flow rate without generating vortex, reduce the suction of pool bottom sediment and ensure the stability of water flow, thereby effectively improving the performance effect of water show art. Summary of the invention
[0004] In view of the technical problems existing in the above-mentioned prior art, the present invention provides an anti-vortex fountain pump, which can effectively solve the technical problems existing in the above-mentioned prior art.
[0005] The technical solution of the present invention is:
[0006] An anti-vortex fountain pump comprises a casing, wherein the casing is formed by an impeller mounting pipe section, a motor mounting pipe section, and a 90° bend pipe section in an integrated manner, the water outlet end of the 90° bend pipe section is connected to the water inlet end of the motor mounting pipe section, and the water inlet end of the 90° bend pipe section is downwardly connected to a dispersed water inlet mechanism; a fountain motor is fixedly installed at the central axis position of the motor mounting pipe section, a corresponding water inlet channel is formed between the outer side wall of the fountain motor and the inner side wall of the motor mounting pipe section, the output shaft of the fountain motor extends to the impeller mounting pipe section, and a plurality of corresponding impellers are fixedly installed on the output shaft of the fountain motor, and the peripheries of the impellers are respectively provided with corresponding Corresponding guide impellers are arranged, and the guide impellers are sealed and connected to each other; a water inlet section is sealed and installed at the end of the output shaft of the fountain motor, and a corresponding flow guide cover is sealed and connected to the outer side of the water inlet end of the water inlet section, and the end of the flow guide cover not connected to the water inlet section is sealed and connected to the junction of the motor mounting pipe section and the impeller mounting pipe section, so that the water inlet end of the water inlet section is connected to the water inlet channel, and the guide impeller at the front end is sealed and connected to the water outlet end of the water inlet section, and the water inlet of the impeller is connected to the water outlet of the water inlet section; the flow cross-sectional area ratio of the 90° bend pipe section, the motor mounting pipe section and the impeller water inlet is 14-15:9-10:3-4.
[0007] The dispersed water inlet mechanism includes an upper guide plate connected to the water inlet end of the 90° elbow pipe section, a corresponding lower guide plate is arranged below the upper guide plate, and a corresponding water suction port is formed between the outer edges of the upper guide plate and the lower guide plate, and the ratio of the flow cross-sectional area of the water suction port to the flow cross-sectional area of the 90° elbow pipe section is 23-24:14-15.
[0008] A plurality of corresponding partitions are fixedly connected between the upper guide plate and the lower guide plate at equal angles, and corresponding filter screens are fixedly installed between two adjacent partitions.
[0009] The guide impeller at the rear end is connected to the fountain pump outlet pipe through a corresponding check valve.
[0010] A corresponding fixing ring is installed on the fountain motor, and the fixing ring is fixedly connected to a plurality of fountain pump mounting blocks which are pressed against the inner side wall of the motor mounting pipe section in an annular array.
[0011] The bottoms of the impeller mounting pipe section and the motor mounting pipe section are respectively fixedly connected with corresponding support base plates.
[0012] A cable sealed and connected to the fountain motor is arranged in the impeller installation pipe section, and the cable is led out from one end of the impeller installation pipe section that is not connected to the motor installation pipe section.
[0013] Advantages of the present invention:
[0014] 1) The sleeve of the present invention is formed by an impeller installation pipe section, a motor installation pipe section, and a 90° bend pipe section in an integrated manner. The motor installation pipe section is used to install the fountain motor, and then the deflector is arranged to cooperate with the water inlet section, so that the water inlet end of the water inlet section is effectively connected to the water inlet channel formed between the motor installation pipe section and the fountain motor. The 90° bend pipe section is then arranged to effectively extend the water inlet to the end of the 90° bend pipe section that is not connected to the motor installation pipe section, thereby reducing the water inlet height, being able to effectively adapt to shallow pool water and a large flow rate without generating vortices, reducing the suction of sediment at the bottom of the pool and ensuring the stability of the outlet water flow, thereby effectively improving the performance effect of the water show art.
[0015] 2) The present invention changes the position of the water inlet by setting the sleeve and coordinating the parts such as the guide cover, thereby achieving the anti-eddy current effect. On this basis, the present invention sets the flow cross-sectional area ratio of the 90° bend pipe section, the motor installation pipe section and the impeller water inlet to 14-15:9-10:3-4, so that the flow cross-sectional velocity ratio of the 90° bend pipe section, the motor installation pipe section and the impeller water inlet is 7-9:11-13:29-31, and the stable acceleration of the water body is achieved during the flow process of the water inlet. Thereby, the water body is effectively introduced into the impeller under the condition of smooth and unobstructed flow, and under the condition of increasing water flow velocity and uniform velocity distribution, the hydraulic loss is effectively reduced, and the impeller inlet is guaranteed to have a uniform velocity field effect, thereby effectively improving the use effect of the present invention on the basis of the anti-eddy current effect, and to a certain extent improving the cooling effect of the fountain motor and reducing the burden of the fountain motor.
[0016] 3) A corresponding water suction port is formed between the outer edges of the upper guide plate and the lower guide plate of the present invention. The upper guide plate and the lower guide plate are effectively coordinated with the 90° elbow section to set the water suction direction horizontally, thereby effectively further adapting to shallower pool water and larger flow rates without generating vortices, further reducing the suction of pool bottom sediment and ensuring the stability of the outlet water flow.
[0017] 4) The ratio of the flow cross-sectional area of the water suction port to the flow cross-sectional area of the 90° elbow section is 23-24:14-15, so that the flow cross-sectional flow velocity ratio of the water suction port to the 90° elbow section is 4-6:7-9. On the basis of ensuring the use effect of the present invention, the water absorption speed of the water suction port is effectively reduced, thereby further effectively adapting to shallower pool water and larger flow rate without generating vortexes, further reducing the suction of pool bottom sediment and ensuring the stability of the outlet water flow.
[0018] 5) A plurality of corresponding partitions are fixedly connected at equal angles between the upper guide plate and the lower guide plate of the present invention. The setting of the partitions effectively forms a multi-point dispersed water inlet effect, and the setting of the partitions effectively improves the overall stability of the dispersed water inlet mechanism, thereby effectively improving the practical effect of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of the present invention.
[0020] Figure 2 It is a top view of the present invention.
[0021] Figure 3 It is a structural schematic diagram of the dispersed water inlet mechanism.
[0022] Figure 4 It is a schematic diagram of the flow cross-section positions corresponding to the main components of the present invention.
[0023] Figure 5It is a schematic diagram of the flow cross-sectional area corresponding to each flow cross-sectional position.
[0024] Figure 6 It is a schematic diagram of the flow velocity of the flow section corresponding to each flow section position. DETAILED DESCRIPTION
[0025] In order to facilitate understanding by those skilled in the art, the structure of the present invention is further described in detail with reference to the embodiments in conjunction with the accompanying drawings:
[0026] refer to Figure 1-3 , an anti-vortex fountain pump, comprising a casing 1, wherein the casing 1 is formed by an impeller mounting pipe section 101, a motor mounting pipe section 102, and a 90° bend pipe section 103 in sequence, wherein the water outlet end of the 90° bend pipe section 103 is connected to the water inlet end of the motor mounting pipe section 102, and the water inlet end of the 90° bend pipe section 103 is downwardly connected to a dispersed water inlet mechanism 8; a fountain motor 2 is fixedly arranged on the central axis position of the motor mounting pipe section 102, a corresponding water inlet channel 3 is formed between the outer side wall of the fountain motor 2 and the inner side wall of the motor mounting pipe section 102, the output shaft of the fountain motor 2 extends to the impeller mounting pipe section 101, and the fountain motor 2 A plurality of corresponding impellers 4 are fixedly mounted on the output shaft, and corresponding impellers 5 are respectively arranged on the periphery of the impellers 4, and the impellers 5 are sealed and connected to each other; a water inlet section 6 is sealed and installed at the end of the output shaft of the fountain motor 2, and a corresponding flow guide cover 7 is sealed and connected to the outer side of the water inlet end of the water inlet section 6, and the end of the flow guide cover 7 not connected to the water inlet section 6 is sealed and connected to the junction of the motor installation pipe section 102 and the impeller installation pipe section 101, so that the water inlet end of the water inlet section 6 is connected to the water inlet channel 3, and the impeller 5 at the front end is sealed and connected to the water outlet end of the water inlet section 6, and the water inlet of the impeller 4 is connected to the water outlet of the water inlet section 6. The fountain motor 2 is installed through the motor installation pipe section 102, and then the flow guide cover 7 is arranged to cooperate with the water inlet section 6, so that the water inlet end of the water inlet section 6 is effectively connected to the water inlet channel 3 formed between the motor installation pipe section 102 and the fountain motor 2. The 90° elbow section 103 is then used to effectively extend the water inlet to the end of the 90° elbow section 103 that is not connected to the motor installation section 102, thereby lowering the water inlet height, being able to effectively adapt to shallower pool water and a larger flow rate without generating vortices, reducing the suction of pool bottom sediment and ensuring a stable outflow, thereby effectively improving the artistic performance of the water show.
[0027] 5) If Figure 4-6 As shown, in this embodiment, the flow cross-sectional areas of the 90° bend pipe section 103, the motor installation pipe section 102 and the water inlet of the impeller 4 are respectively: 29000mm 2 、19500mm 2 and 7500mm2 , so that the flow cross-sectional flow velocities of the 90° elbow section 103, the motor installation section 102 and the impeller 4 water inlet are respectively: 0.8m / s, 1.2m / s and 3.0m / s, and the stable acceleration of the water body is achieved during the water inlet flow process. Thus, the water body is effectively introduced into the impeller 4 under the condition of smooth and unobstructed flow, and under the condition of increasing water flow velocity and uniform velocity distribution, the hydraulic loss is effectively reduced, and the impeller 4 inlet has a uniform velocity field effect, thereby effectively improving the use effect of the present invention on the basis of the anti-vortex effect, and to a certain extent improving the cooling effect of the fountain motor 2 and reducing the burden of the fountain motor 2.
[0028] The dispersed water inlet mechanism 8 includes an upper guide plate 801 connected to the water inlet end of the 90° elbow section 103. A corresponding lower guide plate 802 is correspondingly arranged below the upper guide plate 801, and a corresponding water suction port is formed between the outer edges of the upper guide plate 801 and the lower guide plate 802. The upper guide plate 801 and the lower guide plate 802 are effectively matched with the 90° elbow section 103 to set the water suction direction horizontally, thereby effectively further adapting to shallower pool water and larger flow rates without generating vortices, further reducing the suction of sediment at the bottom of the pool and ensuring the stability of the outlet water flow. The flow cross-sectional area of the water suction port is 47500mm 2 , so that the flow velocity of the flow section of the water suction port is 0.5m / s. On the basis of ensuring the use effect of the present invention, the water absorption speed of the water suction port is effectively reduced, so as to further effectively adapt to shallower pool water and larger flow rate without generating vortex, further reduce the suction of pool bottom sediment and ensure the stability of the outlet water flow.
[0029] A plurality of corresponding partitions 803 are fixedly connected at equal angles between the upper guide plate 801 and the lower guide plate 802, and corresponding filter screens 9 are fixedly installed between two adjacent partitions 803. The arrangement of the partitions 803 effectively forms a multi-point dispersed water inlet effect, and the arrangement of the partitions 803 effectively improves the overall stability of the dispersed water inlet mechanism 8, thereby effectively improving the practical effect of the present invention.
[0030] The impeller 5 at the rear end is connected to the fountain pump outlet pipe 11 through a corresponding check valve 10 .
[0031] A corresponding fixing ring 12 is installed on the fountain motor 2, and the fixing ring 12 is fixedly connected to the outside in a circular array with a plurality of fountain pump mounting blocks 13 resting against the inner wall of the motor mounting pipe section 102.
[0032] The bottoms of the impeller mounting pipe section 101 and the motor mounting pipe section 102 are respectively fixedly connected with corresponding support base plates 14 .
[0033] The impeller installation pipe section 101 is provided with a cable 15 sealed and connected to the fountain motor 2 . The cable 15 is led out from one end of the impeller installation pipe section 101 that is not connected to the motor installation pipe section 102 .
[0034] During operation, the fountain pump prepared by the specific technical solution of this embodiment has a flow rate Q of 85 cubic meters per hour and a head H of 50 meters.
[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.
Claims
1. An anti-vortex fountain pump, comprising a casing (1), characterized in that: The sleeve (1) is formed by an impeller installation pipe section (101), a motor installation pipe section (102), and a 90° bend pipe section (103) which are integrally formed in sequence; the water outlet end of the 90° bend pipe section (103) is connected to the water inlet end of the motor installation pipe section (102); and the water inlet end of the 90° bend pipe section (103) is downwardly connected to a dispersed water inlet mechanism (8); A fountain motor (2) is fixedly mounted on the central axis of the motor mounting pipe section (102); a corresponding water inlet channel (3) is formed between the outer wall of the fountain motor (2) and the inner wall of the motor mounting pipe section (102); the output shaft of the fountain motor (2) extends to the impeller mounting pipe section (101); and a plurality of corresponding impellers (4) are fixedly mounted on the output shaft of the fountain motor (2); corresponding guide impellers (5) are respectively arranged on the periphery of the impellers (4); and the guide impellers (5) are sealed and connected to each other; The output shaft end of the fountain motor (2) is sealed with a water inlet section (6), the water inlet end of the water inlet section (6) is sealed with a corresponding flow guide cover (7) on the outside, and the end of the flow guide cover (7) not connected to the water inlet section (6) is sealed to the junction of the motor mounting pipe section (102) and the impeller mounting pipe section (101), so that the water inlet end of the water inlet section (6) is connected to the water inlet channel (3), the impeller (5) at the front end is sealed to the water outlet end of the water inlet section (6), and the water inlet of the impeller (4) is connected to the water outlet of the water inlet section (6); The flow cross-sectional area ratio of the 90° bend pipe section (103), the motor installation pipe section (102) and the water inlet of the impeller (4) is 14-15:9-10:3-4; The dispersed water inlet mechanism (8) comprises an upper guide plate (801) connected to the water inlet end of the 90° elbow pipe section (103), a corresponding lower guide plate (802) is arranged below the upper guide plate (801), and a corresponding water suction port is formed between the outer edges of the upper guide plate (801) and the lower guide plate (802), and the ratio of the flow cross-sectional area of the water suction port to the flow cross-sectional area of the 90° elbow pipe section (103) is 23-24:14-15.
2. The anti-vortex fountain pump according to claim 1, characterized in that: A plurality of corresponding partitions (803) are fixedly connected at equal angles between the upper guide plate (801) and the lower guide plate (802), and a corresponding filter screen (9) is fixedly installed between two adjacent partitions (803).
3. The anti-vortex fountain pump according to claim 1, characterized in that: The impeller (5) at the rear end is connected to a fountain pump outlet pipe (11) via a corresponding check valve (10).
4. The anti-vortex fountain pump according to claim 1, characterized in that: A corresponding fixing ring (12) is installed on the fountain motor (2), and the fixing ring (12) is fixedly connected to a plurality of fountain pump mounting blocks (13) in an annular array and abutting against the inner wall of the motor mounting pipe section (102).
5. The anti-vortex fountain pump according to claim 1, characterized in that: The bottoms of the impeller mounting pipe section (101) and the motor mounting pipe section (102) are respectively fixedly connected with corresponding support base plates (14).
6. The anti-vortex fountain pump according to claim 1, characterized in that: A cable (15) sealed and connected to the fountain motor (2) is arranged in the impeller installation pipe section (101), and the cable (15) is led out from an end of the impeller installation pipe section (101) that is not connected to the motor installation pipe section (102).
Citation Information
Patent Citations
Anti-vortex fountain pump
CN211975416U