Pump structure with water inlet body adopting floating seal

Abstract

The utility model relates to the technical field of centrifugal pumps, and discloses a pump structure with a water inlet body adopting floating sealing, which comprises a cover body, the inner wall of the cover body is in threaded connection with a first connecting pipe, the inner wall of the cover body is fixedly connected with a boss, the outer surface of the boss is provided with a plurality of drain holes, and a floating sealing opening ring wheel is arranged in the boss. The inner wall of the boss is fixedly connected with a gland, the front face of the gland is rotationally connected with the back face of the floating sealing opening ring wheel, a drainage threaded hole is formed in the outer surface of the cover body, a water filling threaded hole is formed in the outer surface of the cover body, and the inner wall of the cover body is in threaded connection with two sealing assemblies. The outer surface of one sealing assembly is in threaded connection with the inner wall of the drainage threaded hole; according to the utility model, under the same stage number, one guide vane body can be replaced by the water inlet body adopting the floating seal, so that one guide vane body can be saved compared with the traditional water inlet body, the structure of the pump is more compact, the weight is lighter, and the product cost can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal pump technical field, concretely is a pump structure that water inlet body adopts floating seal. BACKGROUND

[0002] In the field of multistage centrifugal pump, the water inlet body exists as an indispensable important part, and its purpose is also obvious, that is, through the connection of the water inlet body and the external pipeline, the liquid is guided into the pump body for pressure boosting and conveying.

[0003] The utility model discloses a high -efficient multifunctional water pump in prior art authorization announcement No. CN205533263U discloses a kind of high -efficient multifunctional water pump, water pump is by shell setting motor, pump constitutes, shell upper end and lower end are respectively installed with water inlet, water outlet cover plate, the motor shell is equipped with shock-absorbing ring, the motor of being equipped with motor shaft is sleeved with intermediate support and pump, the pump is equipped with guide disc, impeller, guide vane, motor shaft drives pump impeller, the guide disc axial inside is embedded with integrated sealing device, the sealing device is formed by sealing seat, sealing ring and sealing ring cover, the sealing ring and impeller ring portion are tightly nested, the pump is installed with water outlet top cap, the water outlet top cap end inside is installed with check valve core.

[0004] Using the above technical scheme, the water pump adopts water-cooled motor cooling mode, sealing device, reduces leakage, improves pump efficiency, and the installation mode is flexible, which can be installed under liquid as submersible pump, or installed above liquid surface as pipe network pressurization and water use, but the function and effect of the water inlet body of most centrifugal pumps on the market are often limited to this, however, as an important independent part, the function and effect of the water inlet body are obviously insufficient, and the function and purpose have not been fully explored and expanded. Utility model content

[0005] In view of the deficiency of prior art, the utility model provides a pump structure that water inlet body adopts floating seal, and simultaneously has the functional advantages of water inlet body and guide vane body.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a pump structure with a floating seal for a water inlet, comprising a cover body, the inner wall of the cover body being threadedly connected to a first connecting pipe, the inner wall of the cover body being fixedly connected to a boss, the outer surface of the boss being provided with a plurality of water flow holes, a floating sealing ring wheel being provided inside the boss, the inner wall of the boss being fixedly connected to a pressure cap, the front side of the pressure cap being rotatably connected to the back side of the floating sealing ring wheel, the outer surface of the cover body being provided with a drainage threaded hole, the outer surface of the cover body being provided with an irrigation threaded hole, the inner wall of the cover body being threadedly connected to two sealing assemblies, the outer surface of one of the sealing assemblies being threadedly connected to the inner wall of the drainage threaded hole, and the outer surface of the other sealing assembly being threadedly connected to the inner wall of the irrigation threaded hole, the outer surface of the cover body being fixedly connected to a water outlet pipe, and the inner wall of the water outlet pipe being threadedly connected to the second connecting pipe.

[0007] Preferably, a base is provided below the cover, and the upper surface of the base is fixedly connected to the outer surface of the cover.

[0008] Preferably, a motor is provided on the outer side of the cover body, and a mounting bracket is fixedly connected to the side of the motor.

[0009] Preferably, the output end of the motor power is fixedly connected to a plurality of rotating shafts, and the outer surface of each rotating shaft is fixedly connected to a plurality of fan blades.

[0010] Preferably, a rubber pad is provided on the outer side of the mounting frame, the front side of the rubber pad contacts the back side of the cover body, and the back side of the rubber pad contacts the front side of the mounting frame.

[0011] Preferably, a plurality of fastening components are provided on the outside of the mounting frame, and a plurality of lugs are fixedly connected to the outer surface of the cover body, and one end of each fastening component close to the mounting frame passes through the mounting frame and the lug and extends to the outside of the lug.

[0012] Compared with the prior art, the present invention provides a pump structure with a floating seal for the water inlet, which has the following beneficial effects:

[0013] The water inlet body adopts a pump structure of floating seal, the inner wall of the cover body is fixedly connected with a boss, the boss is fixedly installed with a gland, when the cover body is filled with water, the generated power can drive the water to flow, the floating seal ring wheel is rotatably connected with the gland, the floating seal ring wheel rotates in the boss, the water is thrown out by the floating seal ring wheel, the water is thrown out from six water flow holes, the water is used by the following rotating mechanism, the performance of the pump body is maximized, one guide vane body is saved, the structure of the pump is more compact, the weight is lighter, the material is saved, and the product cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the cover body of the utility model;

[0015] Figure 2 It is a three-dimensional structure schematic view of the motor of the utility model;

[0016] Figure 3 It is a three-dimensional structure schematic view of the rubber pad of the utility model;

[0017] Figure 4 It is a three-dimensional structure schematic view of the boss right view of the utility model.

[0018] In the drawing: 1, cover body; 2, first connecting pipe; 3, boss; 4, water flow hole; 5, floating seal ring wheel; 6, gland; 7, drainage screw hole; 8, water filling screw hole; 9, sealing assembly; 10, water outlet pipe; 11, second connecting pipe; 12, base; 13, motor; 14, mounting frame; 15, rotating shaft; 16, fan blade; 17, rubber pad; 18, lug; 19, fastening assembly. DETAILED DESCRIPTION

[0019] In order to better understand the purpose, structure and function of the utility model, the utility model a pump structure of water inlet body adopting floating seal is further described in detail below in combination with the drawings.

[0020] Please refer to Figures 1-4The utility model discloses: a pump structure of water inlet body adopts floating seal, including cover 1, the inner wall of cover 1 is connected with first connecting pipe 2, the inner wall of cover 1 is fixedly connected with boss 3, a plurality of water flow holes 4 are seted up on the outer surface of boss 3, and the inside of boss 3 is provided with floating seal port ring wheel 5, and the inner wall of boss 3 is fixedly connected with gland 6, and the front of gland 6 is rotatably connected with the back of floating seal port ring wheel 5, and the outer surface of cover 1 is provided with drain screw hole 7, and the outer surface of cover 1 is provided with irrigation screw hole 8, and the inner wall of cover 1 is connected with two sealing assemblies 9, and the inner wall of drain screw hole 7 is threadedly connected with the outer surface of one sealing assembly 9, and the inner wall of irrigation screw hole 8 is threadedly connected with the outer surface of another sealing assembly 9, and the outer surface of cover 1 is fixedly connected with water outlet pipe 10, and the inner wall of water outlet pipe 10 is threadedly connected with second connecting pipe 11.

[0021] The lower portion of the cover 1 is provided with a base 12, and the upper surface of the base 12 is fixedly connected with the outer surface of the cover 1. The base 12 is used to stabilize the cover 1, thereby ensuring the stability of the cover 1 as a whole and preventing it from shaking during operation.

[0022] The outer side of the cover 1 is provided with a motor 13, and the side of the motor 13 is fixedly connected with a mounting bracket 14. The motor 13 provides power for the device, and the mounting bracket 14 provides an effective extension for the motor 13, thereby increasing the expandability of the motor 13.

[0023] The output end of the motor 13 is fixedly connected with a plurality of rotating shafts 15, and the outer surface of each rotating shaft 15 is fixedly connected with a plurality of fan blades 16. The five rotating shafts 15 drive the fan blades 16 to rotate, which stirs the water in the cover 1 and then sends the water out of the water outlet pipe 10, thereby completing the basic working principle of the water pump.

[0024] The outer side of the mounting bracket 14 is provided with a rubber pad 17, the front surface of the rubber pad 17 is in contact with the back surface of the cover 1, and the back surface of the rubber pad 17 is in contact with the front surface of the mounting bracket 14. The rubber pad 17 is used to buffer the friction between the cover 1 and the mounting bracket 14, thereby protecting the cover 1.

[0025] The outer side of the mounting bracket 14 is provided with a plurality of fastening assemblies 19, and the outer surface of the cover 1 is fixedly connected with a plurality of lugs 18. One end of each fastening assembly 19 near the mounting bracket 14 penetrates the mounting bracket 14 and the lug 18 and extends to the outside of the lug 18. The four fastening assemblies 19 are used to mount the cover 1 on the mounting bracket 14, thereby facilitating disassembly and adjustment.

[0026] The utility model discloses a working principle is: first, through the wire and electrically connected motor 13, after through the outside pipeline respectively first connecting pipe 2 and second connecting pipe 11 intercommunication, guarantee its normal water state, then unscrew the sealing assembly 9 in the inside of irrigation screw hole 8, fill up the inside of cover 1 with water, then tighten sealing assembly 9, and two tight sealing assembly 9 are located respectively in the inside of drainage screw hole 7 and irrigation screw hole 8,

[0027] At this time, start motor 13, utilize the power provided by motor 13 and drive five rotating shafts 15, then utilize rotating shaft 15 and drive fan blade 16 to rotate, when fill up the inside of cover 1 with water, fan blade 16 rotates and will agitate water and produce the power of pushing, at this time, utilize the rotary connection of floating sealing mouth ring wheel 5 and gland 6, can make floating sealing mouth ring wheel 5 rotate in the inside of boss 3, utilize the design of floating sealing mouth ring wheel 5 and rotate simultaneously also will throw water, and then water will be thrown out from six water holes 4 respectively, can be better be followed by fan blade 16 rotating mechanism borrow power, can make the performance of the pump body play to the maximum, under the same series, because adopt floating sealing inlet body can replace a guide vane body, so it can save a guide vane body than traditional inlet body, make the structure of pump more compact, lighter, more material, can effectively reduce product cost.

[0028] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A pump structure with a floating seal for use in a water intake body, comprising a cover (1), characterized in that: The inner wall of the cover body (1) is threadedly connected with a first connecting pipe (2), the inner wall of the cover body (1) is fixedly connected with a boss (3), the outer surface of the boss (3) is provided with a plurality of water flow holes (4), the inside of the boss (3) is provided with a floating sealing ring wheel (5), the inner wall of the boss (3) is fixedly connected with a gland (6), the front surface of the gland (6) is rotatably connected with the back surface of the floating sealing ring wheel (5), the outer surface of the cover body (1) is provided with a drainage threaded hole (7), the outer surface of the cover body (1) is provided with a water filling threaded hole (8), the inner wall of the cover body (1) is threadedly connected with two sealing assemblies (9), the outer surface of one of the sealing assemblies (9) is threadedly connected with the inner wall of the drainage threaded hole (7), the outer surface of the other sealing assembly (9) is threadedly connected with the inner wall of the water filling threaded hole (8), the outer surface of the cover body (1) is fixedly connected with a water outlet pipe (10), the inner wall of the water outlet pipe (10) is threadedly connected with a second connecting pipe (11).

2. A pump structure with a floating seal for the water inlet according to claim 1, characterized in that: The lower portion of the cover body (1) is provided with a base (12), and the upper surface of the base (12) is fixedly connected with the outer surface of the cover body (1).

3. A pump structure for a water intake body employing a floating seal as claimed in claim 1, characterized in that: The outer side of the cover body (1) is provided with a motor (13), and the side surface of the motor (13) is fixedly connected with a mounting bracket (14).

4. A pump structure for a water intake body employing a floating seal according to claim 3, characterized in that: The output end of the motor (13) is fixedly connected with a plurality of rotating shafts (15), and the outer surface of each rotating shaft (15) is fixedly connected with a plurality of fan blades (16).

5. A pump structure for a water intake body employing a floating seal as claimed in claim 3, characterized in that: The outer side of the mounting bracket (14) is provided with a rubber pad (17), the front surface of the rubber pad (17) is in contact with the back surface of the cover body (1), and the back surface of the rubber pad (17) is in contact with the front surface of the mounting bracket (14).

6. A pump structure for a water intake body employing a floating seal as claimed in claim 3, characterized in that: The outer side of the mounting bracket (14) is provided with a plurality of fastening assemblies (19), the outer surface of the cover body (1) is fixedly connected with a plurality of lugs (18), and one end of each fastening assembly (19) close to the mounting bracket (14) penetrates through the mounting bracket (14) and the lug (18) and extends to the outside of the lug (18).

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