CN213450890U

CN213450890U - Circulating pump

Info

Publication number: CN213450890U
Application number: CN202021622467.7U
Authority: CN
Inventors: 林发明; 朱景撑
Original assignee: China Dafu Pump Industry Co ltd
Current assignee: China Dafu Pump Industry Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-06-15
Anticipated expiration: 2030-08-06

Abstract

The utility model provides a circulating pump belongs to circulating pump technical field. The problem that the temperature of an existing circulating pump is delayed in detection and accordingly working efficiency is affected is solved. The circulating pump comprises a circulating main body and a controller, wherein the circulating main body is provided with a detection assembly for detecting temperature at a water outlet, the circulating main body is positioned on the peripheral wall at the water outlet, a step hole is formed in the peripheral wall at the water outlet, the detection assembly comprises an installation shell arranged on the step hole and a probe arranged in the installation shell, a sealing assembly is arranged between the installation shell and the probe, the probe is connected with the controller through a power line, the sealing assembly comprises a cylindrical sealing shell, a cylindrical main shell and cylindrical connecting columns and inverted cones, the cylindrical connecting columns and the inverted cones are integrally arranged at the upper end and the lower end of the main shell respectively, a material placing hole is formed in the middle of each connecting column, and the material placing hole extends into the. The utility model has the advantages of the temperature detects accurate and efficient.

Description

Circulating pump

Technical Field

The utility model belongs to the technical field of the circulating pump, a circulating pump is related to.

Background

The circulating pump is a device matched with the water heater for use, so that the household can start the instant hot water, the main working principle of the circulating pump is that when the temperature detection device detects that the temperature of the circulating pump head is insufficient, a starting signal is given to the pump, the circulating pump head starts to work, cold water in a pipeline is pressurized into the water heater, the water heater starts to work, hot water enters a hot water pipeline, and when a temperature controller on the circulating water device senses that the hot water in the pipeline reaches the preset temperature of the circulating water device, the circulating water device stops working. However, temperature detection is generally performed by a temperature sensor adhered to the outer surface of the pump body, which is inaccurate in detection mode, and meanwhile, the water flow transfers heat to the pump body and has certain hysteresis.

Disclosure of Invention

The utility model aims at providing an accurate and efficient circulating pump of temperature detection to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a circulating pump comprises a circulating main body with a water inlet and a water outlet and a controller, and is characterized in that a detection component for detecting temperature is arranged at the water outlet of the circulating main body, the outer peripheral wall of the circulating main body at the water outlet is provided with a step hole for installing a detection component, the detection assembly comprises a mounting shell arranged on the step hole and a probe which is arranged in the mounting shell and extends into the water outlet through the step hole, and a sealing component for preventing liquid in the circulating main body from leaking is arranged between the mounting shell and the probe, the probe is connected with the controller through a power line, the sealing component consists of a cylindrical sealing shell, a cylindrical main shell, a cylindrical connecting column and an inverted cone which are respectively and integrally arranged at the upper end and the lower end of the main shell, the middle part of the connecting column is provided with a storage hole which extends into the inverted cone and is communicated with the water outlet.

In the above circulating pump, the lower end surface of the mounting shell is provided with a through hole for the inverted cone to extend out and into the water outlet, and the through hole is a tapered hole.

In the above circulating pump, the sealing housing is connected with the mounting housing in a threaded fit manner, the two ends of the sealing housing are respectively provided with a first protruding part convenient for mounting and dismounting the sealing housing and a second protruding part in threaded connection with the connecting column, the first protruding part is provided with a mounting hole, and the mounting hole extends into the second protruding part and is communicated with the object placing hole.

In the above-mentioned circulating pump, the periphery wall that the probe is located the bellying department on the cover be equipped with a plurality of axial interval distribution and strengthen the sealing washer of leakproofness.

In the above-mentioned circulating pump, the main casing body be located put the thing downthehole and be provided with the cover locate on the probe and be used for strengthening the sealed pad of leakproofness, the bellying two with also be provided with the cover between the spliced pole and locate on the probe and be used for strengthening the sealed pad of leakproofness.

Compared with the prior art, the circulating pump has the advantages that:

1. the detection assembly comprises an installation shell and a probe, wherein the installation shell is arranged on a step hole and is fixedly connected with a circulation main body, the probe is arranged in the installation shell and extends into a water outlet through the step hole, a sealing assembly for vertically installing the probe and preventing liquid in the circulation main body from leaking outwards is arranged between the installation shell and the probe, the probe can directly detect the temperature in the circulation pump through the arrangement of the structure, the water temperature in the pump body can be accurately detected, and the circulation pump can timely enter the work.

Drawings

Fig. 1 is a partial sectional structural schematic view of the present circulation pump.

Fig. 2 is an enlarged view of circle a of fig. 1 in the present circulation pump.

In the figure, 1, the main body of the cycle; 2. a detection component; 3. a stepped bore; 4. installing a shell; 5. a probe; 6. a seal assembly; 7. sealing the housing; 8. a main housing; 9. connecting columns; 10. an inverted cone; 11. a placing hole; 12. a first bulge part; 13. a second bulge part; 14. a gasket; 15. mounting holes; 16. and (5) sealing rings.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the circulating pump comprises a circulating main body 1 with a water inlet and a water outlet and a controller, wherein a detection assembly 2 for detecting temperature is arranged at the water outlet of the circulating main body 1, a step hole 3 for installing the detection assembly 2 is arranged on the outer peripheral wall of the circulating main body 1 at the water outlet, the detection assembly 2 comprises an installation shell 4 which is arranged on the step hole 3 and fixedly connected with the circulating main body 1 and is provided with an installation cavity, and a probe 5 which is arranged in the installation shell 4 and extends into the water outlet through the step hole 3, a sealing assembly 6 for vertically installing the probe 5 and preventing liquid in the circulating main body 1 from leaking out is arranged between the installation shell 4 and the probe 5, the probe 5 is connected with the controller through a power cord, the sealing assembly 6 comprises a cylindrical sealing shell 7, a cylindrical main shell 8, cylindrical connecting columns 9 and a reverse cone 10 which are respectively and integrally arranged at the upper end and the lower end, the middle part of the connecting column 9 is provided with a material placing hole 11 for the installation of the probe 5, the material placing hole 11 extends into the inverted cone 10 and is communicated with the water outlet, the probe 5 extends into the water outlet through the material placing hole 11, the sealing shell 7 is connected with the installation shell 4 through thread matching, two ends of the sealing shell 7 are respectively provided with a first bulge part 12 convenient for the assembly and disassembly of the sealing shell 7 and a second bulge part 13 in thread connection with the connecting column 9, the first bulge part 12 is provided with a mounting hole 15 for the vertical installation and the guiding of the probe 5, the mounting hole 15 extends into the second bulge part 13 and is communicated with the material placing hole 11, the mounting hole 15 and the material placing hole 11 are coaxially arranged, and the diameter of the mounting hole 15 in the second bulge part 13 is larger than that of the mounting hole 15 in the sealing shell 7 and the first bulge part 12.

In order to ensure the sealing performance of the joint, a through hole for the inverted cone 10 to extend out and into the water outlet is formed in the lower end face of the mounting shell 4, the through hole is a conical hole, after the inverted cone 10 is assembled, the outer peripheral wall of the inverted cone 10 is attached to the inner peripheral wall of the conical hole, the mounting shell 4 can be connected with the circulating body 1 in a threaded fit manner or in other manners, a sealing cover for enhancing the sealing performance can be arranged on the upper end portion of the mounting shell 4, a power supply line or a through hole for detecting penetration is formed in the sealing cover, a sealing unit for enhancing the sealing performance is arranged at the passing position of the sealing cover, a plurality of sealing rings 16 which are axially distributed at intervals and enhance the sealing performance are sleeved on the outer peripheral wall of the first protruding portion 12 of the probe 5, and a plurality of annular grooves for installing corresponding sealing rings 16 are formed in the outer peripheral, the main shell 8 is provided with a sealing gasket 14 which is sleeved on the probe 5 and used for enhancing the sealing property, and a sealing gasket 14 which is sleeved on the probe 5 and used for enhancing the sealing property is also arranged between the second protruding part 13 and the connecting column 9.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a circulating pump, is including having the circulation main part (1) and the controller of water inlet, delivery port, its characterized in that, circulation main part (1) be located delivery port department and be provided with detection module (2) that are used for detecting the temperature, should circulate main part (1) and offer step hole (3) that supply detection module (2) to install on the periphery wall that is located delivery port department, detection module (2) by setting up installation casing (4) on step hole (3) and set up in installation casing (4) and stretch into intraoral probe (5) of delivery port through step hole (3), and be provided with between installation casing (4) and probe (5) and prevent the outer seal assembly (6) that leak of interior liquid of circulation main part (1), probe (5) pass through the power cord with the controller links, seal assembly (6) by columniform seal casing (7), Columniform main casing body (8) and respectively an organic whole set up cylindrical spliced pole (9) and the inverted cone body (10) constitution at main casing body (8) upper and lower both ends, the middle part of spliced pole (9) seted up and put thing hole (11), should put thing hole (11) and extend to in the inverted cone body (10) and be linked together with the delivery port.

2. The circulating pump of claim 1, wherein the lower end surface of the mounting housing (4) is provided with a through hole for the inverted cone (10) to extend out and into the water outlet, and the through hole is a tapered hole.

3. The circulating pump of claim 1, wherein the sealing housing (7) is connected with the mounting housing (4) in a threaded fit manner, a first protruding portion (12) facilitating the mounting and dismounting of the sealing housing (7) and a second protruding portion (13) in threaded connection with the connecting column (9) are respectively arranged at two ends of the sealing housing (7), a mounting hole (15) is formed in the first protruding portion (12), and the mounting hole (15) extends into the second protruding portion (13) and is communicated with the object accommodating hole (11).

4. A circulating pump according to claim 1, characterized in that the peripheral wall of the probe (5) at the first projection (12) is provided with a plurality of axially spaced sealing rings (16) for enhancing the sealing.

5. A circulation pump according to claim 3, wherein the main housing (8) is provided with a sealing gasket (14) which is sleeved on the probe (5) and used for enhancing the sealing property, and a sealing gasket (14) which is sleeved on the probe (5) and used for enhancing the sealing property is also provided between the second protruding portion (13) and the connecting column (9).