CN218953547U - Sealing structure between pump body water inlet joint and pump body water outlet joint - Google Patents
Sealing structure between pump body water inlet joint and pump body water outlet joint Download PDFInfo
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- CN218953547U CN218953547U CN202223600572.2U CN202223600572U CN218953547U CN 218953547 U CN218953547 U CN 218953547U CN 202223600572 U CN202223600572 U CN 202223600572U CN 218953547 U CN218953547 U CN 218953547U
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- water inlet
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- joint
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Abstract
The utility model belongs to the technical field of water pumps, in particular to a sealing structure between a water inlet joint and a water outlet joint of a pump body, which comprises the water outlet joint and the water inlet joint, wherein a water inlet hole is formed in the water inlet joint, a water outlet end inserted into the water inlet hole is arranged on the water outlet joint, a positioning step surface I is arranged on the inner wall surface of the water inlet hole of the water inlet joint, a positioning step surface II is arranged on the outer wall surface of the water inlet end of the water outlet joint, a sealing space is formed between the positioning step surface I and the positioning step surface II, a copper gasket is sleeved between the water inlet end and the water inlet hole in the sealing space, the copper gasket can divide the sealing space into two closed subchambers up and down, and a sealing ring is sleeved in each closed subchamber. The utility model divides the sealing space into two independent sealing subchambers by the copper gasket, and the sealing rings are sleeved in the sealing subchambers to form two effective sealing structures, so that the integral sealing can be ensured even if one sealing structure fails.
Description
Technical field:
the utility model belongs to the technical field of water pumps, and particularly relates to a sealing structure between a water inlet joint and a water outlet joint of a pump body.
The background technology is as follows:
the water pump is used as a mechanism for delivering or pressurizing fluid by converting mechanical energy of a prime mover or other external energy into liquid to increase the energy of the liquid. The submersible pump comprises a water inlet joint and a water outlet joint, liquid is sucked into the water inlet end of the water outlet joint from the water inlet joint and pressurized in the inner cavity of the water outlet joint, most of the existing water inlet joint and the water outlet joint are provided with a simple sealing ring structure, the sealing structure is single, when the water pump valve is closed, the sealing ring between the water inlet joint and the water outlet joint is deformed under the extrusion of the water pressure due to the fact that the water pressure in the inner cavity of the water outlet joint is in a high-pressure state, and the sealing ring is easy to deform and lose efficacy.
The utility model comprises the following steps:
the utility model aims to provide a sealing structure between a water inlet joint and a water outlet joint of a pump body, which divides a sealing space into two independent closed subchambers by means of a copper gasket, and a sealing ring is sleeved in the sealing subchambers to form two effective sealing structures, so that the whole sealing can be ensured even if one sealing structure fails.
The utility model is realized in the following way:
the utility model provides a seal structure between pump body water inlet section and the water outlet section, includes water outlet section and water inlet section, has seted up the inlet port on the water inlet section, is equipped with the play water end of inserting on the inlet port on the water outlet section, set up location step face one on the inner wall surface of the inlet port of water inlet section, the water inlet end outer wall surface of water outlet section is provided with location step face two, forms a seal space between location step face one and the location step face two, and the cover is equipped with the copper washer between water inlet end and the inlet port that are located the seal space, and this copper washer can separate into two airtight subchambers from top to bottom to the seal space, and every airtight subchamber all overlaps and is equipped with the sealing washer.
In the sealing structure between the pump body water inlet joint and the water outlet joint, the water inlet hole of the water inlet joint sequentially comprises a small-diameter part and a large-diameter part from bottom to top, the first positioning step surface is formed between the small-diameter part and the large-diameter part, the outer wall surface of the water inlet end of the water outlet joint sequentially comprises a small-ring part and a large-ring part from bottom to top, the second positioning step surface is formed between the small-ring part and the large-ring part, and the small-ring part is positioned in the small-diameter part and the large-diameter part.
In the sealing structure between the pump body water inlet joint and the pump body water outlet joint, the sealing ring is tightly sleeved on the water inlet end of the water outlet joint.
In the sealing structure between the water inlet joint and the water outlet joint of the pump body, the first positioning step surface is in arc transition connection with the small-diameter part and the large-diameter part, and the second positioning step surface is in arc transition connection with the small-ring part and the large-ring part.
In the sealing structure between the pump body water inlet joint and the pump body water outlet joint, the chamfer is arranged at the edge of the upper end of the water inlet hole, the outer diameter of the large ring part is slightly larger than the inner diameter of the large diameter part, the outer diameter of the small ring part is slightly larger than the inner diameter of the small diameter part, the inner annular wall of the copper gasket is encircling on the outer wall surface of the small ring part, and the outer annular wall is abutted on the inner wall surface of the large diameter part.
Compared with the prior art, the utility model has the outstanding advantages that:
the utility model divides the sealing space into two independent airtight subchambers by the copper gasket, and the sealing ring is sleeved in the sealing subchambers to form two effective sealing structures, thereby not only increasing the strength between the water inlet joint and the water outlet joint, but also ensuring the integral sealing even if one sealing structure fails.
Description of the drawings:
fig. 1 is a cross-sectional view of the overall structure of the present utility model.
In the figure: 1. a water outlet section; 2. a water inlet section; 3. a water inlet hole; 4. a water outlet end; 5. positioning a first step surface; 6. positioning a second step surface; 7. a copper washer; 8. and (3) sealing rings.
The specific embodiment is as follows:
the utility model is further described below with reference to fig. 1 by way of specific examples:
the utility model provides a seal structure between pump body water inlet festival and the water outlet festival, includes water outlet festival 1 and water inlet festival 2, has seted up inlet port 3 on the water inlet festival 2, is equipped with on the water outlet festival 1 to insert and establishes the play water end 4 on inlet port 3, set up location step face one 5 on the inner wall face of inlet port 3 of water inlet festival 2, the water inlet end outer wall face of water outlet festival 1 is provided with location step face two 6, forms a seal space between location step face one 5 and the location step face two 6, is located the water inlet end and the inlet port 3 cover in seal space and is equipped with copper washer 7, and this copper washer 7 can separate into two airtight subcavities about the seal space, and every airtight subcavities is all overlapped and is equipped with sealing washer 8.
The utility model divides the sealing space into two independent airtight subchambers by the copper gasket 7, and the sealing ring 8 is sleeved in the sealing subchambers to form two effective sealing structures, thereby not only increasing the strength between the water inlet joint 2 and the water outlet joint 1, but also ensuring the integral sealing even if one sealing structure fails.
In this embodiment, the specific forming and matching structure of the positioning step surface one 5 and the positioning step surface two 6 is as follows: the water inlet 3 of the water inlet joint 2 sequentially comprises a small diameter part and a large diameter part from bottom to top, the first positioning step surface 5 is formed between the small diameter part and the large diameter part, the outer wall surface of the water inlet end of the water outlet joint 1 sequentially comprises a small ring part and a large ring part from bottom to top, the second positioning step surface 6 is formed between the small ring part and the large ring part, and the small ring part is positioned in the small diameter part and the large ring part is positioned in the large diameter part. In addition, the arrangement structure of the first positioning step surface 5 and the second positioning step surface 6 also increases the sealing path between the water inlet joint 2 and the water outlet joint 1, so that the two sealing rings 8 and the copper gasket 7 can be installed in a sealing space with sufficient space.
In order to enable the sealing ring 8 to realize effective sealing in the corresponding sealing subchamber, the sealing ring 8 is tightly sleeved on the water inlet end of the water outlet joint 1, and the outer diameter of the sealing ring 8 is larger than the inner diameter of the water inlet hole 3.
Meanwhile, in order to avoid damage caused by collision of the sealing ring 8 with the end face included angle of the first positioning step surface 5 or the second positioning step surface 6, arc transition connection is adopted between the first positioning step surface 5 and the small-diameter part as well as between the second positioning step surface 6 and the small-ring part as well as between the second positioning step surface 6 and the large-diameter part.
In addition, in order to be convenient for insert the inlet end of water festival 1 into the inlet opening 3 of water festival 2, the upper end border department chamfer setting of inlet opening 3, the external diameter of major loop portion is slightly greater than the internal diameter of major diameter portion, and the external diameter of minor loop portion is slightly greater than the internal diameter of minor diameter portion to, in order to ensure that copper packing 7 can separate sealed space from top to bottom, copper packing 7's inner ring wall embraces on the outer wall of minor loop portion, outer ring wall is contradicted on the inner wall of major diameter portion, is realized connecting through copper packing 7 tight fit between water festival 1 and the water festival 2 promptly.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (5)
1. The utility model provides a seal structure between pump body water inlet festival and the play water festival, is including play water festival (1) and water inlet festival (2), has seted up inlet opening (3) on water inlet festival (2), is equipped with on play water festival (1) to insert and establishes play water end (4) on inlet opening (3), its characterized in that: the water inlet device is characterized in that a first positioning step surface (5) is arranged on the inner wall surface of a water inlet hole (3) of the water inlet section (2), a second positioning step surface (6) is arranged on the outer wall surface of the water inlet end of the water outlet section (1), a sealing space is formed between the first positioning step surface (5) and the second positioning step surface (6), a copper gasket (7) is sleeved between the water inlet end positioned in the sealing space and the water inlet hole (3), the copper gasket (7) can divide the sealing space into two closed subchambers up and down, and a sealing ring (8) is sleeved in each closed subchamber.
2. The sealing structure between a pump body water inlet joint and a pump body water outlet joint according to claim 1, wherein: the water inlet hole (3) of the water inlet joint (2) sequentially comprises a small diameter part and a large diameter part from bottom to top, the first positioning step surface (5) is formed between the small diameter part and the large diameter part, the outer wall surface of the water inlet end of the water outlet joint (1) sequentially comprises a small ring part and a large ring part from bottom to top, the second positioning step surface (6) is formed between the small ring part and the large ring part, and the small ring part is positioned in the small diameter part and the large ring part is positioned in the large diameter part.
3. The sealing structure between a pump body water inlet joint and a pump body water outlet joint according to claim 1 or 2, characterized in that: the sealing ring (8) is tightly sleeved on the water inlet end of the water outlet joint (1).
4. The sealing structure between a pump body water inlet joint and a pump body water outlet joint according to claim 2, wherein: the first positioning step surface (5) is in arc transition connection with the small-diameter part and the large-diameter part, and the second positioning step surface (6) is in arc transition connection with the small-ring part and the large-ring part.
5. The sealing structure between a pump body water inlet joint and a pump body water outlet joint according to claim 2, wherein: the upper end edge of the water inlet hole (3) is chamfered, the outer diameter of the large ring part is slightly larger than the inner diameter of the large diameter part, the outer diameter of the small ring part is slightly larger than the inner diameter of the small diameter part, the inner annular wall of the copper gasket (7) is encircling on the outer wall surface of the small ring part, and the outer annular wall is abutted on the inner wall surface of the large diameter part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223600572.2U CN218953547U (en) | 2022-12-30 | 2022-12-30 | Sealing structure between pump body water inlet joint and pump body water outlet joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223600572.2U CN218953547U (en) | 2022-12-30 | 2022-12-30 | Sealing structure between pump body water inlet joint and pump body water outlet joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218953547U true CN218953547U (en) | 2023-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223600572.2U Active CN218953547U (en) | 2022-12-30 | 2022-12-30 | Sealing structure between pump body water inlet joint and pump body water outlet joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218953547U (en) |
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2022
- 2022-12-30 CN CN202223600572.2U patent/CN218953547U/en active Active
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