CN202441611U

CN202441611U - Shielded pipe booster pump

Info

Publication number: CN202441611U
Application number: CN2012200275369U
Authority: CN
Inventors: 陈国荣; 唐卫全
Original assignee: Jiangmen Ruirong Pump Industry Co Ltd
Current assignee: GUANGDONG RUIRONG PUMP INDUSTRY CO., LTD.
Priority date: 2012-01-11
Filing date: 2012-01-11
Publication date: 2012-09-19
Anticipated expiration: 2022-01-11

Abstract

The utility model discloses a shielded type pipe booster pump. The shielded pipe booster pump comprises a shell, a motor, a water pump impeller group, an upper end socket and a lower end socket, wherein the upper end socket and the lower end socket are arranged at two ends of the shell respectively; a motor is arranged above the water pump impeller group, and comprises a motor shell, a stator, a rotor, an upper bearing block, a lower bearing block, a bearing, an upper seal cover and a seal cover; a cavity is arranged between the upper bearing block and the upper seal cover; an oil cavity is arranged between the lower bearing block and the seal cover, and mechanical sealing members are arranged inside and outside the oil cavity; an output shaft below the rotor is connected with the impeller shaft of the water pump impeller group; a running water channel is formed between the outer wall of the motor shell and the inner wall of the shell; a hydrophobic flange which is arranged at the outer end of seal cover is positioned by clinging to the inner wall of the shell; the water pump impeller group comprises a multi-stage impeller group, the impeller shaft and a hydrophobic bearing block; the multi-stage impeller group is arranged by clinging to the inner wall of the shell; a water inlet pipe orifice is formed at the lower end of the lower end socket; and a water outlet pipe orifice and a cable leading-out sealing component are arranged at the upper end of the upper end socket. The shield pipe booster pump can directly supply water to a tall building, and has the beneficial effects of small floor area, low noise, low power consumption, high efficiency, environmental friendliness and energy conservation.

Description

Suction booster in the shielding pipe

Technical field

The utility model relates to suction booster in a kind of shielding pipe that gives network of rivers supercharging.

Background technique

The hydraulic pressure deficiency is a common phenomenon in the life network of rivers, especially built-up living area and commercial district, and the hydraulic pressure deficiency appears in high-rise water usually; For addressing this problem, in the existing technology, adopt roof that water tank and water pool is set usually; The pressurization water station perhaps is set in the building, and pipe pump great majority wherein are large-size horizontals, and floor space is bigger; Under the situation that price of the building promotes day by day, construction cost also raises gradually, and its operation noise is also higher; Cause ambient noise to pollute, operational efficiency is lower simultaneously, and power consumption is also higher; Be not suitable for the requirement of modern life environmental protection and energy saving gradually, for this reason, study that a kind of floor space is few, noise is low, little power consumption, environmental protection and energy saving network of rivers pressure inlet pump that efficient is high be present trend of the times.

The model utility content

The utility model technical issues that need to address provide that a kind of floor space is few, noise is low, little power consumption, efficient are high, suction booster in the shielding pipe of environmental protection and energy saving.

In order to solve the problems of the technologies described above, the technological scheme of suction booster is in the utility model shielding pipe: comprise shell and motor and water pump vane group wherein is installed, also comprise the upper cover and the lower seal head that are fixedly connected at the shell two ends; It is characterized in that: described motor is installed in the top of water pump vane group; Described motor comprises electric machine casing and fixing stator and rotor and upper bearing bracket, step, bearing wherein, also comprises upper cover that is connected in the electric machine casing upper end and the sealing cover that is connected in step, wherein has the cavity of placement capacitor between upper bearing bracket and the upper cover; Has the oil pocket that is full of insulating oil between step and the sealing cover; And inside and outside mechanical sealing element is installed, rotor below shaft connects with the impeller shaft of water pump vane group, separates formation flowing water passage between said electric machine casing outer wall and the outer casing inner wall; Said sealing cover outer end has the hydrophobic flange that water guide is used; The inwall location of shell is close in its maximum cylindrical side, and said water pump vane group comprises multi-stage impeller group and impeller shaft and hydrophobic bearing support, and the outer wall of multi-stage impeller group is close to outer casing inner wall; Its upper end interlocking is located in hydrophobic flange outer end; Its lower end relies on hydrophobic bearing support to be close to outer casing inner wall and impeller shaft to go into bearing and locate, and it is fixing again that hydrophobic bearing support is being pressed in said lower seal head upper end, and the lower end has water inlet pipe mouth; The inner chamber and the upper cover of said upper cover are fixedly connected, and its upper end also has effluent pipe mouth and cable is drawn black box.

Optimal technical scheme as the utility model: described water inlet pipe mouth and effluent pipe mouth have pipe thread.

Optimal technical scheme as the utility model: described water inlet pipe mouth and effluent pipe mouth are on the pump housing shaft axis simultaneously.

Optimal technical scheme as the utility model: it is to be threaded that described rotor below shaft connects with the impeller shaft of water pump vane group.

Optimal technical scheme as the utility model: being fixedly connected of described upper cover and outer casing end is welding, and being fixedly connected of lower seal head and outer casing end is screw after the socket.

The beneficial effect of the utility model is: the utility model is with reference to the multistage submersible electric pump principle design, adopts the multi-stage impeller group to increase hydraulic pressure step by step, has improved lift and flow greatly; Current are pump pressure from the bottom up, both can vertical installation be serially connected in the waterpipe, and independent is that a certain pipeline increases hydraulic pressure; Also can concentrate the vertical water supply booster station that is mounted to side by side, help network of rivers supercharging, can directly supply water high building; And floor space is few, is that shielding is arranged in the display pipe because of motor simultaneously, and adopts the lubricated and double mechanical seal of oil-filled mode; Make the external environmemt noise low; Do not have the secondary pollution of the water of generation, and multistage supercharging efficient is high, little power consumption, so have the beneficial effect of environmental protection and energy saving.

Description of drawings

Below in conjunction with accompanying drawing suction booster in the shielding pipe of the utility model is done more detailed explanation.

Fig. 1 is the sectional view of suction booster in the utility model shielding pipe.

Fig. 2 is the cutaway view Amplified image that shows upper cover positional structure in the utility model.

Fig. 3 is the plan view of Fig. 2.

Fig. 4 is the cutaway view Amplified image that shows motor step positional structure in the utility model.

Fig. 5 is the cutaway view Amplified image that shows lower seal head positional structure in the utility model.

Fig. 6 shows in the utility model the stereogram of structure above the motor upper cover.

Fig. 7 is the stereogram that shows motor upper cover bottom surface structure in the utility model.

Fig. 8 shows in the utility model the stereogram of structure above the motor upper cover.

Fig. 9 is the stereogram that shows motor upper cover bottom surface structure in the utility model.

Figure 10 is the plan view of the utility model lower seal head.

Figure 11 is that the A-A of Figure 10 is to sectional view.

Figure 12 is the rear view of Figure 10.

Embodiment

Shown in Fig. 1～12; The mode of execution of suction booster is in the utility model shielding pipe: comprise shell 1 and motor 2 and water pump vane group 3 wherein is installed; Also comprise the upper cover 4 and lower seal head 5 that are fixedly connected at shell 1 two ends, described motor 2 is installed in the top of water pump vane group 3, and described motor 2 comprises electric machine casing 6 and fixing stator 7 and rotor 8 and upper bearing bracket 9, step 10, bearing 11 wherein; Also comprise upper cover 12 that is connected in electric machine casing 6 upper ends and the sealing cover 13 that is connected in step 10; Wherein have the cavity 14 of placing capacitor 25 between upper bearing bracket 9 and the upper cover 12, have the oil pocket 15 that is full of insulating oil between step 10 and the sealing cover 13, and inside and outside mechanical sealing element 16 is installed; Rotor 8 below shafts connect with the impeller shaft of water pump vane group 3; Separate forming flowing water passage 17 between said electric machine casing 6 outer walls and shell 1 inwall, said sealing cover 13 outer ends have the hydrophobic flange 18 that water guide is used, and the inwall location of shell 1 is close in its maximum cylindrical side; Said water pump vane group 3 comprises multi-stage impeller group 19 and impeller shaft 20 and hydrophobic bearing support 21; The outer wall of multi-stage impeller group 19 is close to shell 1 inwall, and its upper end interlocking is in location, hydrophobic flange 18 outer ends, and its lower end relies on hydrophobic bearing support 21 to be close to shell 1 inwall and impeller shaft 20 to go into bearing and locate; It is fixing again that hydrophobic bearing support 21 is being pressed in said lower seal head 5 upper ends; The lower end has water inlet pipe mouth 22, and the inner chamber of said upper cover 4 and upper cover 12 are fixedly connected, and its upper end also has effluent pipe mouth 23 and draws black box 24 with cable.In the present embodiment; The capacitor 25 of single phase motor can be placed in the cavity 14; The parts of every water contacting such as its shell 1, water pump vane group 3, upper cover 4, lower seal head 5, electric machine casing 6, upper cover 12, sealing cover 13 all adopt stainless steel to make in addition, can avoid the secondary pollution to water.

By Fig. 1～3,6, shown in 8～12, as the preferred implementation of the utility model: described water inlet pipe mouth 22 has pipe thread with effluent pipe mouth 23.Preferably adopt internal thread, favourable water pipe and the sealing effect of plugging into.

By shown in Figure 1, as the preferred implementation of the utility model: described water inlet pipe mouth 22 is on the pump housing shaft axis with effluent pipe mouth 23 simultaneously.This mode of execution reduces the footpath outward force to pipeline when installing and using, also reduce the vibration influence to pipeline simultaneously.

By Fig. 1,2, shown in 4, as the preferred implementation of the utility model: it is to be threaded that described rotor 8 below shafts connect with the impeller shaft of water pump vane group 3.This mode of execution can conveniently be installed and easy balance adjustment to the water pump vane group.

By Fig. 1,2, shown in 5, as the preferred implementation of the utility model: being fixedly connected of described upper cover 4 and shell 1 end is welding, and lower seal head 5 is screw after the socket with being fixedly connected of shell 1 end.This mode of execution can make motor 2 import from shell 1 the other end with pump impeller group 3 and install, and is easy for installation and technology is simple.

The working principle of the utility model is: by shown in Figure 1; At first the two ends with the utility model are connected in the water pipe that needs pressurization; Let water flow from the below toward the top, start motor behind the injection water and make the pump startup rotation, water gets into through hydrophobic bearing support 21 from water inlet pipe mouth 22 and gets into the 19 pressurization risings of multi-stage impeller group; Get into the flowing water passage 17 that separates formation between electric machine casings 6 outer walls and shell 1 inwall through the hydrophobic flange 18 of sealing cover 13 outer ends; Flow out from the effluent pipe mouth 23 of upper cover 4, water improves lift through the pressurization back, can directly supply water to high building.

The utility model both can be serially connected in the waterpipe in vertical installation, and independent is that a certain pipeline increases hydraulic pressure, also can concentrate the vertical water supply booster station that is mounted to side by side; Help network of rivers supercharging, can directly supply water to high building, and floor space is few; Be that shielding is arranged in the display pipe because of motor simultaneously, and adopt the lubricated and double mechanical seal of oil-filled mode, make the external environmemt noise low; Do not have the secondary pollution of the water of generation, and multistage supercharging efficient is high, little power consumption, so have the beneficial effect of environmental protection and energy saving.

The above be the utility model preferred embodiment, do not constitute restriction to the utility model protection domain, so long as implement the purpose of the utility model, all should belong to the protection domain of the utility model with essentially identical means.

Claims

1. suction booster in the shielding pipe; Comprise shell (1) and motor (2) and water pump vane group (3) wherein is installed; Also comprise the upper cover (4) and the lower seal head (5) that are fixedly connected at shell (1) two ends; It is characterized in that: described motor (2) is installed in the top of water pump vane group (3); Described motor (2) comprises electric machine casing (6) and fixing wherein stator (7) and rotor (8) and upper bearing bracket (9), step (10), bearing (11), also comprises upper cover (12) that is connected in electric machine casing (6) upper end and the sealing cover (13) that is connected in step (10), wherein has the cavity (14) of placement capacitor between upper bearing bracket (9) and the upper cover (12); Has the oil pocket (15) that is full of insulating oil between step (10) and the sealing cover (13); And inside and outside mechanical sealing element (16) is installed, rotor (8) below shaft connects with the impeller shaft of water pump vane group (3), separates formation flowing water passage (17) between said electric machine casing (6) outer wall and shell (1) inwall; Said sealing cover (13) outer end has the hydrophobic flange (18) that water guide is used; The inwall location of shell (1) is close in its maximum cylindrical side, and said water pump vane group (3) comprises multi-stage impeller group (19) and impeller shaft (20) and hydrophobic bearing support (21), and the outer wall of multi-stage impeller group (19) is close to shell (1) inwall; Its upper end interlocking is located in hydrophobic flange (18) outer end; Its lower end relies on hydrophobic bearing support (21) to be close to shell (1) inwall and impeller shaft (20) to go into bearing and locate, and it is fixing again that hydrophobic bearing support (21) is being pressed in said lower seal head (5) upper end, and the lower end has water inlet pipe mouth (22); The inner chamber of said upper cover (4) and upper cover (12) are fixedly connected, and its upper end also has effluent pipe mouth (23) and cable is drawn black box (24).

2. suction booster in the shielding pipe according to claim 1 is characterized in that: described water inlet pipe mouth (22) and effluent pipe mouth (23) have pipe thread.

3. suction booster in the shielding pipe according to claim 1 is characterized in that: described water inlet pipe mouth (22) and effluent pipe mouth (23) are on the pump housing shaft axis simultaneously.

4. suction booster in the shielding pipe according to claim 1 is characterized in that: it is to be threaded that described rotor (8) below shaft connects with the impeller shaft of water pump vane group (3).

5. suction booster in the shielding pipe according to claim 1 is characterized in that: being fixedly connected of described upper cover (4) and shell (1) end is welding, and being fixedly connected of lower seal head (5) and shell (1) end is screw after the socket.