阅读说明：本技术 一种热水器的进水管组件及装配方法 (Water inlet pipe assembly of water heater and assembling method ) 是由 王建飞 盛保敬 刘洋 孙强 蔡想周 代晓波 于 2019-04-04 设计创作，主要内容包括：本发明公开了一种热水器的进水管组件,包括基座和进水管,霍尔元件设置在基座的外部,所述基座的中心设有通孔,所述通孔内相对于霍尔元件的位置安装有转子,所述转子经挡圈限位固定在所述基座内部,以使转子可拆卸的固定安装。本发明还涉及一种热水器进水组件的装配方法。本发明中的转子是在基座注塑成型后进行安装的,无需进行定位,提高操作工人装配效率,通过挡圈对转子进行轴向定位和支撑,挡圈进行限位安装,用户可以自行对转子进行拆装清洗,提高热水器进水管组件的使用寿命,降低用户的使用成本。(The invention discloses a water inlet pipe assembly of a water heater, which comprises a base and a water inlet pipe, wherein a Hall element is arranged outside the base, a through hole is formed in the center of the base, a rotor is arranged in the through hole at a position corresponding to the Hall element, and the rotor is limited and fixed in the base through a retainer ring so as to be detachably and fixedly installed. The invention also relates to an assembly method of the water inlet assembly of the water heater. The rotor in the invention is installed after the base is injection molded, positioning is not needed, the assembly efficiency of operators is improved, the rotor is axially positioned and supported by the retainer ring, the retainer ring is installed in a limiting way, a user can automatically disassemble, assemble and clean the rotor, the service life of a water inlet pipe assembly of the water heater is prolonged, and the use cost of the user is reduced.)

1. The utility model provides a water inlet pipe assembly of water heater, includes base and inlet tube, and hall element sets up the outside at the base, the center of base is equipped with through-hole, its characterized in that: and a rotor is arranged in the through hole at a position corresponding to the Hall element, and is limited and fixed in the base through a check ring, so that the rotor is detachably and fixedly arranged.

2. The water inlet pipe assembly of a water heater as set forth in claim 1, wherein: the rotor is characterized in that a circle of radially-recessed grooves are formed in the through hole of the base, the check ring is clamped in the grooves, the periphery of the check ring is in limit contact with the inner walls of the grooves, and the side faces of the check ring are in limit contact with the end portions of the rotor.

3. The water inlet pipe assembly of a water heater as set forth in claim 1, wherein: the base is internally provided with a boss which protrudes along the radial direction and axially limits the rotor, the limiting surface of the boss faces one side of the copper insert and is in limiting contact with the end part of the rotor, and the boss and the retainer ring are respectively arranged at two opposite ends of the rotor.

4. A water inlet pipe assembly of a water heater as claimed in any one of claims 1 to 3, wherein: the base is injection moulding once, the axially opposite both ends of base are equipped with inlet tube and copper insert, base, the coaxial setting of inlet tube form the runner, the retaining ring with rotor detachable installs inside the runner.

5. The water inlet pipe assembly of a water heater as set forth in claim 4, wherein: the runner is the notch cuttype setting, and in the direction of copper insert to base through-hole, the diameter of runner reduces in proper order, the installation of the rotor of being convenient for.

6. The water inlet pipe assembly of a water heater as claimed in any one of claims 1 to 5, wherein: the retainer ring is an elastic component, and the diameter of the retainer ring in a natural state is larger than that of the through hole of the base.

7. The water inlet pipe assembly of a water heater as claimed in any one of claims 1 to 6, wherein: the periphery of base is equipped with the inside sunken mounting groove of round, install hall element in the mounting groove, the boss with the runner between the recess at least part with the mounting groove is at the axial direction coincidence.

8. A method of assembly, characterized by: water inlet pipe assembly for a water heater according to any one of the preceding claims 1 to 7.

9. An assembly method according to claim 8, wherein: the copper insert and the water inlet pipe are positioned, the base is molded, so that the copper insert and the water inlet pipe are fixedly connected to two ends of the base, the rotor and the check ring are inserted into a lateral flow channel of the copper insert, and the axial direction of the rotor and the flow channel are coaxially arranged.

10. An assembly method according to claim 8 or 9, characterised in that: the specific steps are as follows,

s1, positioning the copper insert and the water inlet pipe;

s2, injection molding of the base;

s3, inserting the rotor into the base from one end of the copper insert;

s4, the retainer ring pushes the rotor to move along the axial direction of the flow channel, and the retainer ring is clamped in the groove.

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a water inlet pipe assembly of a water heater, and particularly relates to an assembling method of the water inlet pipe assembly of the water heater.

Background

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a water inlet pipe assembly of a water heater, which aims to enable a rotor in the water inlet pipe assembly to be disassembled, realize repeated cleaning and utilization for many times, prolong the service life and reduce the use cost of a user; another object is to improve the production efficiency.

In order to solve the technical problems, the invention adopts the technical scheme that:

the water inlet pipe assembly of the water heater comprises a base and a water inlet pipe, wherein a Hall element is arranged outside the base, a through hole is formed in the center of the base, a rotor is arranged in the through hole relative to the position of the Hall element, and the rotor is limited and fixed inside the base through a check ring so as to be detachably and fixedly installed on the rotor.

Furthermore, a circle of radially-recessed grooves are formed in the through hole of the base, the check ring is clamped in the grooves, the periphery of the check ring is in limit contact with the inner walls of the grooves, and the side faces of the check ring are in limit contact with the end portions of the rotors.

Furthermore, a boss which protrudes along the radial direction and limits the rotor in the axial direction is arranged in the base, a limiting surface of the boss faces one side of the copper insert and is in limiting contact with the end part of the rotor, and the boss and the check ring are respectively arranged at two opposite ends of the rotor.

Further, the base is injection moulding, the two ends that the base axial is relative are equipped with inlet tube and copper insert, base, the coaxial setting of inlet tube form the runner, the retaining ring with rotor detachable installs inside the runner.

Further, the runner is the notch cuttype setting, and in the direction of copper insert to base through-hole, the diameter of runner reduces in proper order, the installation of the rotor of being convenient for.

Further, the retainer ring is an elastic component, and the diameter of the retainer ring in a natural state is larger than that of the base through hole.

Further, the periphery of base is equipped with the inside sunken mounting groove of round, install hall element in the mounting groove, the boss with the runner between the recess at least part with the mounting groove is at the axial direction coincidence.

The invention also discloses an assembly method, which is applied to the water inlet pipe assembly of the water heater.

And further, the copper insert and the water inlet pipe are positioned, the base is molded, so that the copper insert and the water inlet pipe are fixedly connected to two ends of the base, the rotor and the check ring are inserted into a lateral flow channel of the copper insert, and the axial direction of the rotor and the flow channel are coaxially arranged.

Further, the concrete steps are as follows,

s1, positioning the copper insert and the water inlet pipe;

s2, injection molding of the base;

s3, inserting the rotor into the base from one end of the copper insert;

s4, the retainer ring pushes the rotor to move along the axial direction of the flow channel, and the retainer ring is clamped in the groove.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

1. The rotor in the invention is installed after the base is injection molded, positioning is not needed, the assembly efficiency of operators is improved, the rotor is axially positioned and supported by the retainer ring, and the retainer ring is installed in a limiting way, so that a user can conveniently disassemble and assemble the rotor.

2. The water injected into the water heater is not pure water, and large particles possibly exist in the water to block the rotation of the rotor, so that the detection effect of the Hall element is influenced.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of a water inlet assembly of a water heater in an embodiment of the invention;

FIG. 2 is a schematic view of a water inlet assembly of a water heater according to an embodiment of the invention.

Description of the main elements in the figures: 1. a base; 2. a copper insert; 3. a water inlet pipe; 4. a water outlet pipe; 5. a rotor; 6. a retainer ring; 21. a groove; 51. a boss; 52. mounting grooves; 7. a Hall element.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the water inlet pipe 3 assembly of the water heater in the embodiment of the present invention includes a base 1, a water inlet pipe 3, and a copper insert 2, where the water inlet pipe 3 and the copper insert 2 are respectively fixedly connected to two ends of the base 1, the base 1 is formed by one-step injection molding, a through hole is formed in the center of the base 1, a hall element 7 is installed on the base 1, the hall element 7 may be installed on an outer wall of the base 1, or a radially inward recessed installation groove 52 is formed in the periphery of the base 1, the hall element 7 is installed in the installation groove 52 to detect a flow rate in the water inlet pipe 3, a rotor 5 is installed in the base 1, the rotor 5 and the hall element 7 are arranged oppositely, the rotor 5 is inserted from one side of the copper insert 2, and the rotor 5 is fixed at a corresponding position by a retaining ring 6 to complete assembly.

Through the arrangement, the retainer ring 6 is used for axially positioning the rotor 5, the supporting seat of the rotor 5 is omitted, the rotor 5 does not need to be positioned in the installation process, a user can disassemble the rotor 5 and clean the rotor 5, the multiple cleaning and recycling of the water inlet pipe 3 component are realized, and the use cost of the user is reduced.