CN212672071U - Pump body with double-flow-passage structure - Google Patents
Pump body with double-flow-passage structure Download PDFInfo
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- CN212672071U CN212672071U CN202021522802.6U CN202021522802U CN212672071U CN 212672071 U CN212672071 U CN 212672071U CN 202021522802 U CN202021522802 U CN 202021522802U CN 212672071 U CN212672071 U CN 212672071U
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Abstract
The utility model relates to a pump body with double fluid passage structure belongs to the immersible pump field, to the unsatisfactory problem of current single fluid passage pump body acceleration effect, adopts technical scheme as follows: the utility model provides a pump body with double-flow-passage structure, which comprises a housin, water inlet and the delivery port of setting on the casing, be equipped with first partition wall and second partition wall on the casing, first partition wall and second partition wall divide the casing into communicating first chamber that holds in proper order, overflow chamber and second hold the chamber, first chamber and second hold the chamber and hold first impeller and second impeller respectively, first chamber that holds communicates with each other with the water inlet, the second holds the chamber and communicates with each other with the delivery port, water gets into first impeller from the water inlet, get rid of to first chamber that holds after first impeller accelerates, flow through overflow the chamber and flow into in the second impeller, get rid of to the second after the second impeller accelerates and hold the chamber, at last from the delivery port outflow. The double-channel structure is adopted to accelerate water in the two cavities respectively, so that a relatively ideal lift is obtained.
Description
Technical Field
The utility model belongs to the immersible pump field, in particular to pump body with double fluid passage structure.
Background
The pump body used in the single channel submersible pump has a channel in which an impeller is accommodated, and water flows into the impeller from a water inlet and flows out from a water outlet after being accelerated by the impeller. The single flow pump has limited acceleration effect and cannot obtain higher lift, so the pump body of the submersible pump needs to be improved to obtain better lift.
SUMMERY OF THE UTILITY MODEL
The problem of the unsatisfactory lift that can not obtain comparatively ideal of effect is accelerated to current pump body, the utility model provides a pump body with double-flow-passage structure adopts double-flow-passage structure for water accelerates respectively in two cavities, can obtain comparatively ideal lift.
The utility model adopts the technical scheme as follows: the utility model provides a pump body with double flow path structure, includes casing, water inlet and the delivery port of setting on the casing, be equipped with first partition wall and second partition wall on the casing, first partition wall and second partition wall divide the casing into communicating first chamber, the cavity of crossing and the second holds the chamber in proper order, first chamber and the second of holding holds the chamber and holds first impeller and second impeller respectively, and first chamber that holds communicates with each other with the water inlet, and the second holds the chamber and communicates with each other with the delivery port, and during water got into first impeller from the water inlet, got rid of to first chamber that holds after first impeller accelerates, then flowed through and flowed through the chamber and flowed into the second impeller, got rid of to the second after the second impeller accelerates and holds the chamber, flowed out from the delivery port at last.
Compare with traditional single current way pump body, the utility model discloses a pump body adopts the double-flow-channel structure for water can be accelerated step by step in two runners, thereby obtains comparatively ideal lift.
Further, be equipped with first intercommunication chamber and second intercommunication chamber on the casing, first intercommunication chamber is used for the first chamber and the cavity of crossing of holding of intercommunication, second intercommunication chamber is used for the intercommunication second to hold chamber and delivery port, first intercommunication chamber and second intercommunication chamber are located the first one side that holds the chamber and the second holds the chamber respectively. Therefore, when water is thrown out under the action of centrifugal forces of the first impeller and the second impeller, the flow velocity loss of the water is less, a certain water outlet speed can be still kept, and the acceleration effect is ensured.
Furthermore, a pump cover is located casing one side, the water inlet sets up on the pump cover, be equipped with the rampart on the casing, first partition wall, rampart and pump cover enclose into first chamber of holding. The pump cover and the shell are separately arranged, and one end of the first accommodating cavity is an openable structure, so that the first impeller is convenient to assemble and overhaul.
Furthermore, the shell is provided with a first outer wall, a first inner wall and an arc-shaped outer wall which are connected, the first outer wall is connected with the annular wall in a smooth mode, the arc-shaped outer wall protrudes outwards from the first outer wall, and the first inner wall and the arc-shaped outer wall enclose the first communicating cavity. The arc outer wall that evaginates provides sufficient space for water flows, and first outer wall and rampart smooth connection, but first communicating chamber and the first communicating department that holds the chamber smooth transition, reducible velocity of flow loss.
Further, be equipped with arc inner wall and second outer wall on the casing, the arc inner wall with first inner wall homonymy sets up, arc inner wall, first outer wall and second outer wall enclose into second intercommunication chamber. The pump body is usually formed in a casting mode, the forming difficulty can be reduced, and the pump body is compact in structure and reasonable in layout; and the communicating part of the second communicating cavity and the second containing cavity can be in smooth transition.
Furthermore, a second inner wall connected with the annular wall is further arranged on the shell, an annular region is defined by the second inner wall and the annular wall, and the second accommodating cavity is defined by the second inner wall, the annular wall and the second partition wall. The second inner wall is arranged to enable the boundary of the second containing cavity to be in a circular ring shape, and smooth flowing of water is guaranteed.
Furthermore, the first communicating cavity is communicated with the overflowing cavity through a first communicating hole, and the first communicating hole is located at one end of the first communicating cavity. This setting can make water flow smoothly in the pump body, reduces rivers and collides each other and causes the velocity of flow loss, and rivers after being accelerated by first impeller are further extruded, after accelerating in narrow and small first communicating chamber, get into the overflowing chamber via first communicating hole, have better acceleration effect.
Further, the first communication hole is located on the first inner wall.
Furthermore, a mounting hole is formed in the first partition wall, and a rotating shaft of the first impeller penetrates through the mounting hole.
Furthermore, a second communicating hole corresponding to the position of the mounting hole is formed in the second partition wall, the aperture of the second communicating hole is larger than that of the mounting hole, water in the overflowing cavity enters the second impeller through the second communicating hole, and is accelerated by the second impeller and then thrown into the second accommodating cavity. The pivot of first impeller passes the mounting hole, and the mounting hole only needs the countershaft spacing, and first impeller and second impeller need coaxial arrangement, because the front portion of second impeller is equipped with the cavity, also prevents simultaneously that second impeller and second intercommunicating pore from taking place to interfere, and the aperture of second intercommunicating pore needs to be greater than the aperture of mounting hole.
The utility model discloses beneficial effect who has: compare with traditional single current way pump body, the utility model discloses a pump body adopts the double-flow-channel structure for water can be accelerated step by step in two runners, thereby obtains comparatively ideal lift.
Drawings
FIG. 1 is a schematic structural view of a pump body having a dual flow passage configuration;
FIG. 2 is a schematic view of another orientation of the pump body having a dual flow path configuration;
FIG. 3 is a schematic view of the internal structure of the pump body having a dual flow passage structure;
FIG. 4 is a schematic cross-sectional structural view of a pump body having a dual flow passage configuration;
FIG. 5 is a schematic view of the reverse of FIG. 4;
FIG. 6 is a schematic structural view of a first communicating chamber;
FIG. 7 is a schematic structural view of a second communicating chamber;
in the figure: 1-a shell; 11-a circular wall; 12-pump cover; 13-a first outer wall; 14-a first inner wall; 141-a first through-hole; 15-arc outer wall; 16-an arc-shaped inner wall; 17-a second outer wall; 18-a second inner wall; 2-water outlet; 3-a water inlet; 4-a first dividing wall; 41-mounting holes; 5-a second separation wall; 51-second communication hole; a-a first containing cavity; b-a flow-through cavity; c-a second containing cavity; d-a first communicating chamber; e-a second communicating chamber.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
The pump body with the double-channel structure of the embodiment is shown in fig. 1 to 7, and includes a casing 1, a water inlet 3, and a water outlet 2 arranged on the casing 1, wherein the casing 1 is provided with a first partition wall 4 and a second partition wall 5, the first partition wall 4 and the second partition wall 5 divide the casing 1 into a first accommodating cavity a, a flow passing cavity B, and a second accommodating cavity C which are communicated in sequence, the first accommodating cavity a and the second accommodating cavity C respectively accommodate a first impeller and a second impeller, the first accommodating cavity a is communicated with the water inlet 3, the second accommodating cavity C is communicated with the water outlet 2, water enters the first impeller from the water inlet 3, is thrown into the first accommodating cavity a after being accelerated by the first impeller, then flows into the second impeller through the flow cavity B, is thrown out into the second accommodating cavity C after being accelerated by the second impeller, and finally flows out from the water outlet 2.
Compare with traditional single current way pump body, the utility model discloses a pump body adopts the double-flow-channel structure for water can be accelerated step by step in two runners, thereby obtains comparatively ideal lift.
The improved water-saving water dispenser is characterized in that a first communicating cavity D and a second communicating cavity E are arranged on the shell 1, the first communicating cavity D is used for communicating a first accommodating cavity A and an overflowing cavity B, the second communicating cavity E is used for communicating a second accommodating cavity C and a water outlet 2, and the first communicating cavity D and the second communicating cavity E are respectively located on one side of the first accommodating cavity A and one side of the second accommodating cavity C. Therefore, when water is thrown out under the action of centrifugal forces of the first impeller and the second impeller, the flow velocity loss of the water is less, a certain water outlet speed can be still kept, and the acceleration effect is ensured.
The pump cover 12 is located casing 1 one side, water inlet 3 sets up on the pump cover 12, be equipped with rampart 11 on the casing 1, first partition wall 4, rampart 11 and pump cover 12 enclose into first chamber A that holds. The pump cover 12 is provided separately from the housing 1, and one end of the first accommodation chamber a is an openable structure, which facilitates assembly and maintenance of the first impeller.
The shell body 1 is provided with a first outer wall 13, a first inner wall 14 and an arc-shaped outer wall 15 which are connected, the first outer wall 13 is connected with the annular wall 11 in a smooth mode, the arc-shaped outer wall 15 protrudes outwards from the first outer wall 13, and the first inner wall 14 and the arc-shaped outer wall 15 enclose a first communicating cavity D. The convex arc-shaped outer wall 15 provides enough space for water to flow, the first outer wall 13 is smoothly connected with the annular wall 11, the communication part of the first communication cavity D and the first accommodating cavity A can be smoothly transited, and the flow velocity loss can be reduced.
Be equipped with arc inner wall 16 and second outer wall 17 on the casing 1, arc inner wall 16 with first inner wall 14 homonymy sets up, arc inner wall 16, first outer wall 13 and second outer wall 17 enclose into second intercommunication chamber E. The pump body is usually formed in a casting mode, the forming difficulty can be reduced, and the pump body is compact in structure and reasonable in layout; and the communication part of the second communication cavity E and the second accommodating cavity B can be in smooth transition.
The shell 1 is further provided with a second inner wall 18 connected with the annular wall 11, the second inner wall 18 and the annular wall 11 enclose a circular ring-shaped area, and the second inner wall 18, the annular wall 11 and the second partition wall 5 enclose the second accommodating cavity C. The second inner wall 18 is arranged to make the boundary of the second accommodating cavity C in a circular ring shape, so that the water can smoothly flow.
The first communicating cavity D is communicated with the overflowing cavity B through a first communicating hole 141, and the first communicating hole 141 is located at one end of the first communicating cavity D. This setting can make water flow smoothly in the pump body, reduces rivers and collides each other and causes the velocity of flow loss, and rivers after being accelerated by first impeller are further extruded, after accelerating in narrow and small first communicating chamber D, get into through-flow chamber B via first through-hole 141, have better acceleration effect.
The first communication hole 141 is located on the first inner wall 14.
The first partition wall 4 is provided with a mounting hole 41, and a rotating shaft of the first impeller penetrates through the mounting hole 41. The best acceleration effect can be obtained when the water is accelerated from the central position of the impeller, and the arrangement can obtain water flow with ideal speed at the water outlet 2, so as to obtain ideal lift.
The second partition wall 5 is provided with a second communication hole 51 corresponding to the mounting hole 41, the aperture of the second communication hole 51 is larger than that of the mounting hole 41, and water in the overflow chamber B enters the second impeller through the second communication hole 51, is accelerated by the second impeller and then is thrown into the second accommodating chamber C. The pivot of first impeller passes mounting hole 41, and mounting hole 41 only need be spacing to the pivot, and first impeller and second impeller need coaxial arrangement, because the front portion of second impeller is equipped with the cavity that supplies water to flow through, also prevents simultaneously that second impeller and second intercommunicating pore 51 from interfering, and the aperture of second intercommunicating pore 51 need be greater than the aperture of mounting hole 41.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. A pump body with a double-flow-channel structure is characterized by comprising a shell (1), a water inlet (3) and a water outlet (2) arranged on the shell (1), wherein a first partition wall (4) and a second partition wall (5) are arranged on the shell (1), the shell (1) is divided into a first accommodating cavity (A), a flow passing cavity (B) and a second accommodating cavity (C) which are communicated in sequence by the first partition wall (4) and the second partition wall (5), the first accommodating cavity (A) and the second accommodating cavity (C) respectively accommodate a first impeller and a second impeller, the first accommodating cavity (A) is communicated with the water inlet (3), the second accommodating cavity (C) is communicated with the water outlet (2), water enters the first impeller from the water inlet (3), is accelerated by the first impeller and then thrown into the first accommodating cavity (A), and then flows into the second accommodating cavity (B) through the flow impeller, after being accelerated by the second impeller, the water is thrown into the second accommodating cavity (C) and finally flows out of the water outlet (2).
2. The pump body with the dual-flow-passage structure according to claim 1, wherein a first communicating chamber (D) and a second communicating chamber (E) are arranged on the housing (1), the first communicating chamber (D) is used for communicating the first accommodating chamber (A) and the overflowing chamber (B), the second communicating chamber (E) is used for communicating the second accommodating chamber (C) and the water outlet (2), and the first communicating chamber (D) and the second communicating chamber (E) are respectively located on one side of the first accommodating chamber (A) and one side of the second accommodating chamber (C).
3. The pump body with the dual flow passage structure according to claim 2, wherein a pump cover (12) is located on one side of the housing (1), the water inlet (3) is disposed on the pump cover (12), an annular wall (11) is disposed on the housing (1), and the first partition wall (4), the annular wall (11) and the pump cover (12) enclose the first accommodation chamber (a).
4. The pump body with the dual-flow structure according to claim 3, characterized in that the casing (1) is provided with a first outer wall (13), a first inner wall (14) and an arc-shaped outer wall (15) which are connected, the first outer wall (13) is smoothly connected with the annular wall (11), the arc-shaped outer wall (15) protrudes out of the first outer wall (13), and the first inner wall (14) and the arc-shaped outer wall (15) enclose the first communicating cavity (D).
5. The pump body with the dual-flow structure according to claim 4, wherein an arc-shaped inner wall (16) and a second outer wall (17) are arranged on the casing (1), the arc-shaped inner wall (16) is arranged on the same side as the first inner wall (14), and the arc-shaped inner wall (16), the first outer wall (13) and the second outer wall (17) enclose the second communication cavity (E).
6. The pump body with the dual-flow structure according to claim 3, wherein a second inner wall (18) connected to the annular wall (11) is further provided on the housing (1), the second inner wall (18) and the annular wall (11) enclose an annular area, and the second inner wall (18), the annular wall (11) and the second partition wall (5) enclose the second accommodating cavity (C).
7. The pump body having a dual flow passage structure according to claim 4, wherein the first communication chamber (D) communicates with the flow passing chamber (B) through a first communication hole (141), the first communication hole (141) being located at one end of the first communication chamber (D).
8. Pump body with dual flow-channel structure, according to claim 7, characterized in that said first communication hole (141) is located on said first internal wall (14).
9. The pump body with a dual flow passage structure according to claim 1, wherein the first partition wall (4) is provided with a mounting hole (41), and the rotating shaft of the first impeller passes through the mounting hole (41).
10. The pump body having the dual flow passage structure according to claim 9, wherein the second partition wall (5) is provided with a second communication hole (51) corresponding to the position of the mounting hole (41), the diameter of the second communication hole (51) is larger than that of the mounting hole (41), and water in the flow passing chamber (B) enters the second impeller through the second communication hole (51), is accelerated by the second impeller, and is thrown into the second accommodating chamber (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021522802.6U CN212672071U (en) | 2020-07-28 | 2020-07-28 | Pump body with double-flow-passage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021522802.6U CN212672071U (en) | 2020-07-28 | 2020-07-28 | Pump body with double-flow-passage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672071U true CN212672071U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021522802.6U Active CN212672071U (en) | 2020-07-28 | 2020-07-28 | Pump body with double-flow-passage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672071U (en) |
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2020
- 2020-07-28 CN CN202021522802.6U patent/CN212672071U/en active Active
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