CN222810991U - A connection structure between a water outlet section and a casing of a deep well pump - Google Patents
A connection structure between a water outlet section and a casing of a deep well pump Download PDFInfo
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- CN222810991U CN222810991U CN202420801141.2U CN202420801141U CN222810991U CN 222810991 U CN222810991 U CN 222810991U CN 202420801141 U CN202420801141 U CN 202420801141U CN 222810991 U CN222810991 U CN 222810991U
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- water outlet
- annular groove
- shell
- outlet joint
- well pump
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Abstract
本实用新型属于深井泵技术领域，特指一种深井泵出水节与外壳的连接结构，包括外壳和出水节，所述出水节的外侧壁内凹形成环形凹槽一，所述外壳套装在出水节外，且通过滚筋在环形凹槽一处形成内凸环，所述内凸环的内表面紧贴环形凹槽一的外表面。本实用新型装配方便，且出水节与外壳之间的密封效果好。
The utility model belongs to the technical field of deep well pumps, and particularly refers to a connection structure between a water outlet section and a shell of a deep well pump, comprising a shell and a water outlet section, wherein the outer wall of the water outlet section is concave to form an annular groove 1, the shell is sleeved outside the water outlet section, and an inner convex ring is formed at one point of the annular groove by rolling ribs, and the inner surface of the inner convex ring is in close contact with the outer surface of the annular groove 1. The utility model is easy to assemble, and has a good sealing effect between the water outlet section and the shell.
Description
Technical field:
the utility model belongs to the technical field of deep-well pumps, and particularly relates to a connecting structure of a water outlet joint and a shell of a deep-well pump.
The background technology is as follows:
The deep well pump is a pump immersed in an underground water well to pump and convey water, and is widely applied to farmland irrigation and drainage, industrial and mining enterprises, urban water supply and drainage, sewage treatment and the like.
The deep well pump comprises a shell, a water inlet joint, a hydraulic assembly, a water outlet joint and a driving device, wherein the hydraulic assembly is arranged in the shell and comprises a plurality of groups of guide vanes and impellers, the impellers are driven by the driving device, one end of the shell is connected with the water inlet joint, and the other end of the shell is connected with the water outlet joint.
The existing water outlet joint and the shell are fastened after being tensioned by screws and threaded rods, or the water outlet joint and the shell are connected with each other by matching external threads and internal threads. The water outlet joint has the defects of inconvenient installation and poor sealing effect between the water outlet joint and the shell.
The invention comprises the following steps:
the utility model aims to provide a connecting structure of a deep-well pump water outlet joint and a shell, which is convenient to assemble and good in sealing effect between the water outlet joint and the shell.
The utility model is realized in the following way:
The utility model provides a connection structure of deep-well pump water outlet festival and shell, includes shell and water outlet festival, the lateral wall indent of water outlet festival forms annular groove one, the shell suit is outside water outlet festival, and forms interior bulge loop in annular groove one department through the round bar, the surface of annular groove one is hugged closely to the interior surface of interior bulge loop.
In the connection structure of the deep-well pump water outlet joint and the shell, the outer side wall of the water outlet joint is also provided with the annular groove II which is positioned on one side of the annular groove I away from the shell, an annular bulge is formed between the annular groove I and the annular groove II 7, the shell stretches into the annular groove II, and an outer convex ring which is clung to the annular bulge is formed at the annular bulge through a rolling rib.
In the above-mentioned connection structure of deep-well pump water outlet section and shell, the first annular groove can be provided with more than two, and the second annular groove is provided at one side of keeping away from the shell of last annular groove one of keeping away from the shell, forms annular bulge between two adjacent annular grooves one, and the shell forms outer bulge loop in annular bulge department.
In the above-mentioned connection structure of the water outlet joint of the deep-well pump and the housing, the depth d1 of the first annular groove is greater than the depth d2 of the second annular groove.
In the above-mentioned connection structure of deep-well pump water outlet section and shell, the cross sections of annular groove one and annular groove two are circular arc, and the cross section radius R1 of annular groove one is greater than the cross section radius R2 of annular groove two.
In the above-mentioned connection structure between the water outlet node and the casing of the deep-well pump, the cross section of the annular protrusion is circular arc, and the cross section radius R3 of the annular protrusion is between the cross section radius R1 of the first annular groove and the cross section radius R2 of the second annular groove.
In the connection structure of the deep-well pump water outlet joint and the shell, the annular protrusion does not protrude out of the water outlet joint to be close to the outer peripheral surface of the shell.
In the connecting structure of the deep-well pump water outlet joint and the shell, the shell is made of 304 stainless steel, cold rolled steel or galvanized plate, and the water outlet joint is made of plastics, cast iron or aluminum alloy.
Compared with the prior art, the utility model has the outstanding advantages that:
1. The shell is formed outside the water outlet joint through the rolling rib, is convenient to assemble and high in installation precision, the annular groove I is arranged on the outer side wall of the water outlet joint, an inner convex ring is formed on the shell, the inner surface of the inner convex ring is tightly attached to the outer surface of the annular groove I, and the sealing effect between the water outlet joint and the shell is good;
2. The outer side wall of the water outlet joint is also provided with the annular groove II which is positioned at one side of the annular groove I far away from the shell, an annular bulge is formed between the annular groove I and the annular groove II, the shell stretches into the annular groove II, an outer convex ring which is tightly clung to the annular bulge is formed at the annular bulge through a rolling rib, and good sealing and double sealing can be formed between the annular groove I and the inner convex ring and between the annular bulge and the outer convex ring, so that the sealing effect is good.
Description of the drawings:
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a cross-sectional view of the water outlet section of the present utility model;
Fig. 3 is a cross-sectional view of the housing of the present utility model.
The water outlet pipe comprises a shell, a water outlet section, an annular groove I, an inner convex ring, an inner surface, an outer surface, an annular groove II, an annular protrusion, an outer convex ring and an outer peripheral surface, wherein the annular groove I, the annular protrusion, the outer convex ring and the outer peripheral surface are respectively arranged in the annular groove I, the annular protrusion, the outer convex ring and the outer peripheral surface.
The specific embodiment is as follows:
The utility model is further described below with reference to the specific examples, see fig. 1-3:
The utility model provides a deep-well pump goes out connection structure of water festival and shell, includes shell 1 and water festival 2, the lateral wall indent of water festival 2 forms annular groove one 3, shell 1 suit is outside water festival 2, and forms interior bulge loop 4 in annular groove one 3 department through the round bar, the surface 6 of annular groove one 3 is hugged closely to interior bulge loop 4's interior surface 5.
As shown in figures 1-3, the shell 1 of the utility model is formed outside the water outlet joint 2 by rolling ribs, the assembly is convenient, the installation precision is high, the annular groove I3 is arranged on the outer side wall of the water outlet joint 2, the inner convex ring 4 is formed on the shell 1, the inner surface 5 of the inner convex ring 4 is tightly attached to the outer surface 6 of the annular groove I3, and the sealing effect between the water outlet joint 2 and the shell 1 is good.
For better sealing effect, the outer side wall of the water outlet joint 2 is also provided with an annular groove II 7 positioned on one side of the annular groove I3 far away from the shell 1, an annular bulge 8 is formed between the annular groove I3 and the annular groove II 7, the shell 1 stretches into the annular groove II 7, and an outer convex ring 9 clung to the annular bulge 8 is formed at the annular bulge 8 through a rolling rib. And good sealing is formed between the annular groove I3 and the inner convex ring 4 and between the annular bulge 8 and the outer convex ring 9, and the sealing effect is good.
For further sealing, the first annular groove 3 may be provided with more than two annular grooves, the second annular groove 7 is disposed on one side of the last annular groove 3 far away from the housing 1, an annular protrusion 8 is formed between two adjacent annular grooves 3, and the housing 1 forms an outer convex ring 9 at the annular protrusion 8.
Preferably, the depth d1 of the first annular groove 3 is greater than the depth d2 of the second annular groove 7.
In order to better attach the shell 1 to the periphery of the water outlet joint 2, the sections of the first annular groove 3 and the second annular groove 7 are circular arcs, and the section radius R1 of the first annular groove 3 is larger than the section radius R2 of the second annular groove 7.
Further, the cross section of the annular protrusion 8 is circular arc, and the cross section radius R3 of the annular protrusion 8 is between the cross section radius R1 of the first annular groove 3 and the cross section radius R2 of the second annular groove 7.
In order to facilitate the casing 1 to be sleeved outside the water outlet joint 2, the annular protrusion 8 does not protrude out of the water outlet joint 2 and is close to the outer peripheral surface 10 of the casing 1.
Preferably, the material of the shell 1 is 304 stainless steel, cold rolled steel or galvanized plate, and the material of the water outlet joint 2 is plastic, cast iron or aluminum alloy. In the embodiment, the shell 1 is made of 304 stainless steel, has good corrosion resistance and is not easy to rust, and the water outlet joint 2 is made of plastic, so that the weight is light, and the annular groove I3 and the annular groove II 7 are convenient to process and form.
The above embodiments are only one of the preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, so that all equivalent changes according to the shape, structure and principle of the present utility model are covered by the scope of the present utility model.
Claims (7)
1. The connecting structure of the deep-well pump water outlet joint and the shell comprises the shell (1) and the water outlet joint (2) and is characterized in that the shell (1) is formed outside the water outlet joint (2) through rolling ribs, an annular groove I (3) is formed in the inner concave mode of the outer side wall of the water outlet joint (2), the shell (1) is sleeved outside the water outlet joint (2), an inner convex ring (4) is formed at the annular groove I (3) through the rolling ribs, and the inner surface (5) of the inner convex ring (4) is tightly attached to the outer surface (6) of the annular groove I (3).
2. The connection structure of a deep-well pump water outlet joint and a shell according to claim 1, wherein the outer side wall of the water outlet joint (2) is further provided with a second annular groove (7) positioned on one side, far away from the shell (1), of the first annular groove (3), an annular protrusion (8) is formed between the first annular groove (3) and the second annular groove (7), the shell (1) stretches into the second annular groove (7), and an outer convex ring (9) which is clung to the annular protrusion (8) is formed at the annular protrusion (8) through rolling ribs.
3. The connection structure of a deep-well pump water outlet joint and a shell according to claim 2, wherein the depth of the first annular groove (3) is larger than that of the second annular groove (7).
4. The connection structure of a deep-well pump water outlet joint and a shell according to claim 2, wherein the sections of the first annular groove (3) and the second annular groove (7) are circular arcs, and the radius of the section of the first annular groove (3) is larger than that of the section of the second annular groove (7).
5. The connection structure of a deep-well pump water outlet joint and a shell according to claim 4, wherein the cross section of the annular protrusion (8) is arc-shaped, and the cross section radius of the annular protrusion (8) is between the cross section radius of the annular groove I (3) and the cross section radius of the annular groove II (7).
6. The connecting structure of the deep-well pump water outlet joint and the shell according to claim 2, wherein the annular protrusion (8) does not protrude out of the water outlet joint (2) and is close to the outer peripheral surface (10) of the shell (1).
7. The connecting structure of the deep-well pump water outlet joint and the shell is characterized in that the shell (1) is made of 304 stainless steel, cold rolled steel or galvanized plate, and the water outlet joint (2) is made of plastics, cast iron or aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420801141.2U CN222810991U (en) | 2024-04-17 | 2024-04-17 | A connection structure between a water outlet section and a casing of a deep well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420801141.2U CN222810991U (en) | 2024-04-17 | 2024-04-17 | A connection structure between a water outlet section and a casing of a deep well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222810991U true CN222810991U (en) | 2025-04-29 |
Family
ID=95459280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420801141.2U Active CN222810991U (en) | 2024-04-17 | 2024-04-17 | A connection structure between a water outlet section and a casing of a deep well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222810991U (en) |
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2024
- 2024-04-17 CN CN202420801141.2U patent/CN222810991U/en active Active
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