Air isolation type stainless steel welding booster pump

Abstract

The utility model discloses an air isolation type stainless steel welding booster pump, and belongs to the technical field of booster pumps. The air isolation type stainless steel welding booster pump comprises a pump shell; the impeller cover is fixedly connected to the top of the pump shell; the pump machine bottom cover is fixedly connected to the bottom of the pump machine shell; the controller shell is fixedly connected to the pump machine bottom cover; the number of the pump machine bottom covers is two, and an air cavity is formed between the two pump machine bottom covers. The pump machine bottom cover is connected with a contact pin; the pump machine bottom cover is fixedly connected with a sintered block, and the contact pin is fixedly connected with the pump machine bottom cover through the sintered block; according to the booster pump, the pump machine shell and the impeller cover are connected in a welded mode, the pump machine bottom cover and the pump machine shell are connected in a welded mode, sealing rings do not need to be arranged at the connecting positions for sealing any more, then the problem that the sealing rings are prone to failure under the low-temperature and high-pressure conditions can be effectively solved, and the service life of the booster pump is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of booster pumps, in particular to an air-isolated stainless steel welded booster pump. Background Art

[0002] A booster pump, as the name suggests, is a pump used to increase pressure. Its main uses include boosting pressure for water heaters, low water pressure in high-rise buildings, boosting pressure in saunas and baths, boosting water pressure on the top floor of an apartment, automatic boosting with solar energy, boosting pressure in reverse osmosis water purifiers, etc.

[0003] A booster water pump, disclosed on 2023-10-20, with publication number CN219865442U, comprises an upper bracket assembly, a lower bracket assembly and a sealing ring, wherein the upper bracket assembly is arranged above the lower bracket assembly, the sealing ring is fixedly installed between the upper bracket assembly and the lower bracket assembly, and a plurality of limiting protrusions are convexly provided on the surface of the lower bracket assembly, and the plurality of limiting protrusions are respectively in contact with the surface of the sealing ring, so as to achieve the effect of limiting the displacement of the sealing ring;

[0004] The above-mentioned booster pump adopts a sealing ring for sealing. However, in daily use, the sealing ring is used for a long time under low temperature and high pressure conditions, and is prone to aging and damage. The service life may not be high, and the sealing effect may need to be further improved. Utility Model Content

[0005] The utility model aims to solve the problems in the background technology and proposes an air-isolated stainless steel welding booster pump.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] Air isolated, stainless steel welded intensifier pump, including:

[0008] Pump housing;

[0009] An impeller cover, fixedly connected to the top of the pump casing;

[0010] The pump bottom cover is fixedly connected to the bottom of the pump casing;

[0011] The controller housing is fixedly connected to the bottom cover of the pump;

[0012] The pump bottom covers are provided in two groups, and an air cavity is provided between the two groups of pump bottom covers.

[0013] Preferably, a pin is connected to the bottom cover of the pump.

[0014] Furthermore, a sintered block is fixedly connected to the bottom cover of the pump, and the pin is fixedly connected to the bottom cover of the pump via the sintered block.

[0015] Preferably, the pump casing and impeller cover, as well as the pump bottom cover and pump casing are connected by welding.

[0016] Compared with the prior art, the utility model provides an air-isolated stainless steel welding booster pump, which has the following beneficial effects:

[0017] The utility model connects the pump casing and the impeller cover, the pump bottom cover and the pump casing by welding, thereby eliminating the need to provide sealing rings at each connection, thereby effectively solving the problem that the sealing ring is prone to failure under low temperature and high pressure conditions, thereby extending the service life of the booster pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view structural schematic diagram of the air-isolated stainless steel welding booster pump proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the air-isolated stainless steel welding booster pump proposed by the utility model from a side view;

[0020] Figure 3 A three-dimensional diagram of the air-isolated stainless steel welding booster pump proposed by the utility model;

[0021] Figure 4 It is a top view of the pump bottom cover of the air-isolated stainless steel welded booster pump proposed by the utility model;

[0022] Figure 5 The utility model provides a schematic structural diagram of the pump bottom cover of the air-isolated stainless steel welded booster pump.

[0023] In the figure: 1. impeller cover; 2. pump casing; 3. pump bottom cover; 4. pin; 5. sintered block; 6. controller casing. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Reference Figure 1-Figure 5 , air isolated stainless steel welded booster pump, including:

[0027] Pump housing 2;

[0028] The impeller cover 1 is fixedly connected to the top of the pump casing 2;

[0029] A pump bottom cover 3 is fixedly connected to the bottom of the pump casing 2;

[0030] The controller housing 6 is fixedly connected to the pump bottom cover 3;

[0031] Two groups of pump bottom covers 3 are provided, and an air cavity is provided between the two groups of pump bottom covers 3 .

[0032] By providing two groups of pump bottom covers 3 and providing an air cavity between the two groups of pump bottom covers 3, the temperature transferred to the control elements in the lower controller housing 6 during operation of the pump can be effectively reduced, thereby effectively preventing the control elements in the controller housing 6 on the bottom side from being damaged due to high temperature, thereby further improving the service life of the booster pump.

[0033] It should be noted that the controller housing 6 is an aluminum alloy housing.

[0034] The pump bottom cover 3 is connected with a pin 4 .

[0035] The pump bottom cover 3 is fixedly connected with a sintered block 5, and the pin 4 is fixedly connected to the pump bottom cover 3 through the sintered block 5.

[0036] The pump casing 2 and the impeller cover 1, as well as the pump bottom cover 3 and the pump casing 2 are connected by welding.

[0037] Reference Figure 1 , Figure 2 By welding the pump casing 2 and the impeller cover 1, as well as the pump bottom cover 3 and the pump casing 2, it is no longer necessary to set sealing rings at each connection, thereby effectively solving the problem that the sealing ring is prone to failure under low temperature and high pressure conditions, thereby extending the service life of the booster pump.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Air-isolated stainless steel welding booster pump, characterized in that: include: Pump housing (2); An impeller cover (1) is fixedly connected to the top of the pump casing (2); A pump bottom cover (3) fixedly connected to the bottom of the pump casing (2); A controller housing (6) is fixedly connected to the pump bottom cover (3); The pump bottom covers (3) are provided in two groups, and an air cavity is provided between the two groups of pump bottom covers (3); The pump casing (2) and the impeller cover (1), as well as the pump bottom cover (3) and the pump casing (2) are all connected by welding.

2. The air-isolated stainless steel welding booster pump according to claim 1, characterized in that: The pump bottom cover (3) is connected to a plug pin (4).

3. The air-isolated stainless steel welding booster pump according to claim 2, characterized in that: A sintered block (5) is fixedly connected to the pump bottom cover (3), and the insertion pin (4) is fixedly connected to the pump bottom cover (3) via the sintered block (5).

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