CN220581716U

CN220581716U - Slow-opening flow control valve of household water heater

Info

Publication number: CN220581716U
Application number: CN202321100012.2U
Authority: CN
Inventors: 张发强
Original assignee: Cixi Weida Plastic Products Co ltd
Current assignee: Cixi Weida Plastic Products Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2024-03-12
Anticipated expiration: 2033-05-09

Abstract

The utility model discloses a slow-opening flow control valve of a household water heater, which comprises a flow valve main body, wherein a base is arranged at the bottom of the flow valve main body, a valve rod assembly is arranged in the flow valve main body, the valve rod assembly comprises a valve core and a valve rod, a piston is arranged at the bottom of the valve core, a valve core bonnet is arranged at the top of the valve rod assembly, a valve core cap is arranged at the top of the flow valve main body, a C-shaped clamp spring is arranged between the valve rod and the valve core bonnet, a first O-shaped sealing ring is arranged between the valve core bonnet and the flow valve main body, a second O-shaped sealing ring is arranged between the valve core and the flow valve main body, a third O-shaped sealing ring is arranged between the valve core bonnet and the valve rod, and a fourth O-shaped sealing ring is arranged between the flow valve main body and the base. The utility model has simple structure, convenient flow adjustment according to the requirement, good sealing effect, solves the problem that the traditional control valve is easy to leak after long-time use, reduces the maintenance and replacement cost and has high stability.

Description

Slow-opening flow control valve of household water heater

Technical Field

The utility model relates to the technical field of flow control valves, in particular to a slow-opening flow control valve of a household water heater.

Background

The water heater is a device for changing the temperature of cold water into hot water in a certain time by various physical principles. According to the principle, the water heater can be divided into an electric water heater, a gas water heater, a solar water heater, a magnetic energy water heater, an air energy water heater, a heating water heater and the like. Manufacturing a cold air part and manufacturing a hot water part. In fact, the two parts are closely related, inseparable, and must work simultaneously. I.e. to cool the kitchen while making hot water. Or to produce hot water at the same time as cooling the kitchen. The water heater needs to be matched with a flow control valve for use.

The flow control valve is also called 400X flow control valve, and is a multifunctional valve for controlling flow by adopting a high-precision pilot mode. The valve is suitable for a pipeline of a water distribution pipe, the flow and the pressure of which need to be controlled, the preset flow is kept unchanged, the excessive flow is limited to a preset value, the upstream high pressure is properly reduced, and the flow downstream of the main valve is not influenced even if the pressure upstream of the main valve changes. The connection mode is divided into a flange type and a thread type; and (3) welding. The control and adjustment modes are divided into automatic and manual modes.

The existing flow control valve is complex in structure, complicated in flow adjustment step, poor in sealing performance, easy to leak after long-time use, high in maintenance and replacement cost, low in stability and poor in use effect. For the related art problems, no solution has been proposed yet.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides a slow-opening flow control valve of a household water heater, so as to overcome the technical problems in the prior related art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a domestic water heater slowly opens flow control valve, includes the flow valve main part, one side intercommunication of flow valve main part has the inlet tube, the bottom of flow valve main part is provided with the base, one side intercommunication of base has the outlet pipe, the inside of flow valve main part is provided with valve rod assembly, valve rod assembly includes case and valve rod, the case sets up the bottom one end at the valve rod, the bottom of case is provided with the piston, valve rod assembly's top is provided with the case valve bonnet, case and case valve bonnet are connected, the top of flow valve main part is provided with the case block, case block and flow valve main part are connected, the top one end of valve rod runs through the case valve bonnet and extends to the top of case block, be provided with C type jump ring between valve rod and the case valve bonnet.

Preferably, a clamping block is fixedly sleeved on the outer surface of the valve core valve bonnet, the clamping block and the valve core valve bonnet are of an integrated structure, and the bottom of the clamping block is abutted against the top of the flow valve main body.

Preferably, a first O-shaped sealing ring is arranged between the valve core valve bonnet and the flow valve main body, and the first O-shaped sealing ring is arranged below the clamping block.

Preferably, an opening is formed in the water outlet pipe, and a plug is arranged on the opening.

Preferably, a second O-shaped sealing ring is arranged between the valve core and the flow valve main body.

Preferably, a third O-shaped sealing ring is arranged between the valve core bonnet and the valve rod.

Preferably, a fourth O-shaped sealing ring is arranged between the flow valve main body and the base.

Preferably, the flow valve main body and the base are fixedly connected through screws.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model relates to a slow-opening flow control valve of a household water heater, which is convenient to operate and convenient for accurately controlling the size of water outlet by controlling the size of water flow in the opening and closing strokes of a piston when a valve core is opened and closed by rotating a valve rod; through setting up first O type sealing washer, second O type sealing washer, third O type sealing washer and fourth O type sealing washer, effectively improve the overall tightness of control valve, solve traditional control valve and appear leaking the problem easily after long-time use, reduce the cost of maintenance and change, and stability is high.

Drawings

Fig. 1 is a schematic view of the present utility model in front cross section.

In the reference numerals: 1. a flow valve body; 2. a water inlet pipe; 3. a base; 4. a water outlet pipe; 5. a valve core; 6. a valve stem; 7. a valve core valve cap; 8. valve core cap; 9. c-shaped clamp springs; 10. a clamping block; 11. a first O-ring seal; 12. a second O-ring seal; 13. a third O-ring seal; 14. a fourth O-ring seal; 15. and (5) plugging.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Examples

Referring to fig. 1, the utility model provides a technical scheme of a slow-opening flow control valve of a household water heater, which comprises the following steps: the utility model provides a domestic water heater slowly opens flow control valve, including flow valve main part 1, one side intercommunication of flow valve main part 1 has inlet tube 2, flow valve main part 1's bottom is provided with base 3, one side intercommunication of base 3 has outlet pipe 4, specifically, flow valve main part 1, inlet tube 2, base 3 and outlet pipe 4 all adopt metal material to make, flow valve main part 1 and inlet tube 2 are integrated structure, base 3 and outlet pipe 4 are integrated structure, flow valve main part 1's inside is provided with valve rod assembly, valve rod assembly includes case 5 and valve rod 6, case 5 sets up in valve rod 6's bottom one end, valve core 5's bottom is provided with the piston, valve rod assembly's top is provided with case valve cap 7, case 5 and case valve cap 7 are connected, flow valve main part 1's top is provided with case cap 8, case cap 8 and flow valve main part 1 are connected, valve rod 6's top one end runs through case valve cap 7 and extends to valve cap 8's top, be provided with C type jump ring 9 between valve rod 6 and the case cap 7, specifically, C type jump ring 9 plays the effect of fastening, be favorable to the connection of case 7 and valve rod cap 6.

Referring to fig. 1, further, a fixture block 10 is fixedly sleeved on the outer surface of the valve core bonnet 7, the fixture block 10 and the valve core bonnet 7 are of an integrated structure, and the bottom of the fixture block 10 is abutted against the top of the flow valve main body 1.

In this embodiment, the valve body bonnet 7 and the flow valve body 1 are advantageously connected by providing a clip 10.

Referring to fig. 1, further, a first O-ring 11 is disposed between the valve bonnet 7 and the flow valve body 1, and the first O-ring 11 is disposed below the fixture block 10.

In this embodiment, by providing the first O-ring seal 11, it is advantageous to improve the sealing performance between the spool valve cap 7 and the flow valve main body 1.

Referring to fig. 1, further, the water outlet pipe 4 is provided with an opening, and a plug 15 is disposed on the opening.

Referring to fig. 1, a second O-ring 12 is further disposed between the valve core 5 and the flow valve body 1.

In the present embodiment, by providing the second O-ring 12, it is advantageous to improve the sealing performance between the spool 5 and the flow valve main body 1.

Referring to fig. 1, a third O-ring 13 is further disposed between the valve bonnet 7 and the valve stem 6.

In this embodiment, the third O-ring 13 is provided, which is advantageous in improving the sealing performance between the spool valve cap 7 and the valve stem 6.

Referring to fig. 1, a fourth O-ring 14 is further disposed between the flow valve body 1 and the base 3.

In the present embodiment, by providing the fourth O-ring 14, it is advantageous to improve the sealing performance between the flow valve body 1 and the base 3.

Further, the flow valve body 1 and the base 3 are fixedly connected through screws.

In the present embodiment, the flow valve body 1 and the base 3 are facilitated to be mounted and dismounted.

The working principle of the utility model is as follows:

a handle (handle is not shown in the drawing) is installed at the top end of the valve stem 6, and the valve stem 6 is rotated by rotating the handle. Water enters the flow valve body 1 from the water inlet pipe 2 of the flow valve body 1, and when the valve core 5 is opened and closed by rotating the valve rod 6, the flow of the water is controlled by the piston on the valve core 5 in the opening and closing stroke, so that the operation is convenient; through setting up first O type sealing washer 11, second O type sealing washer 12, third O type sealing washer 13 and fourth O type sealing washer 14, effectively improve the whole leakproofness of control valve, solve traditional control valve and appear leaking the problem easily after long-time use, reduce the cost of maintenance and change, stability is high, and the practicality is strong.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a domestic water heater slowly opens flow control valve, its characterized in that, including flow valve main part (1), one side intercommunication of flow valve main part (1) has inlet tube (2), the bottom of flow valve main part (1) is provided with base (3), one side intercommunication of base (3) has outlet pipe (4), the inside of flow valve main part (1) is provided with valve rod assembly, valve rod assembly includes case (5) and valve rod (6), case (5) set up in the bottom one end of valve rod (6), the bottom of case (5) is provided with the piston, the top of valve rod assembly is provided with case (7), case (5) and case bonnet (7) are connected, the top of flow valve main part (1) is provided with case lid (8), case lid (8) are connected with flow valve main part (1), the top that valve rod (6) top one end runs through case (7) and extends to case lid (8), be provided with C type bonnet (9) between valve rod (6) and case lid (7).

2. The slow-opening flow control valve of the household water heater according to claim 1, wherein a clamping block (10) is fixedly sleeved on the outer surface of the valve core valve cap (7), the clamping block (10) and the valve core valve cap (7) are of an integrated structure, and the bottom of the clamping block (10) is abutted against the top of the flow valve main body (1).

3. The slow-opening flow control valve of the household water heater according to claim 2, wherein a first O-shaped sealing ring (11) is arranged between the valve core valve cap (7) and the flow valve main body (1), and the first O-shaped sealing ring (11) is arranged below the clamping block (10).

4. A slow-open flow control valve for a domestic water heater according to claim 1, wherein the outlet pipe (4) is provided with an opening, and the opening is provided with a plug (15).

5. A slow opening flow control valve for a domestic water heater according to claim 1, characterized in that a second O-ring (12) is arranged between the valve core (5) and the flow valve body (1).

6. A slow opening flow control valve for a domestic water heater according to claim 1, characterized in that a third O-ring (13) is arranged between the valve cartridge bonnet (7) and the valve stem (6).

7. A slow opening flow control valve for a domestic water heater according to claim 1, characterized in that a fourth O-ring (14) is arranged between the flow valve body (1) and the base (3).

8. The slow-opening flow control valve of the household water heater according to claim 1, wherein the flow valve main body (1) and the base (3) are fixedly connected through screws.