CN217898884U

CN217898884U - Noiseless frost crack resistant constant temperature case

Info

Publication number: CN217898884U
Application number: CN202222064014.2U
Authority: CN
Inventors: 林华青
Original assignee: Taizhou Zhonglin Intelligent Sanitary Ware Technology Co ltd
Current assignee: Taizhou Zhonglin Intelligent Sanitary Ware Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-25
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a noiselessness frost crack thermostatic valve core, including handle, handle seat, valve body, double-screw bolt, plunger, plug spring, backward flow circle, the valve body diapire is equipped with the through-hole, the plug outer wall has cup jointed from inside to outside in proper order the backward flow circle plug spring and frost ring, the backward flow circle is equipped with backward flow circle edge, just the backward flow circle edge with the valve body inner wall closely laminates, the frost ring is equipped with the frost ring edge, wear out the frost ring bottom the through-hole, just the frost ring edge along lapping and leaning on the valve body diapire, plug spring top is supported the backward flow circle is along the bottom surface, and the bottom is supported freeze ring diapire. The utility model provides a noiseless frost crack constant temperature valve core can prevent effectively that low temperature from causing case and main part tap frost crack.

Description

Noiseless frost crack resistant constant temperature case

Technical Field

The utility model relates to a thermostatic cartridge technical field, concretely relates to noiselessness frost crack thermostatic cartridge.

Background

The thermostatic valve core is a device which automatically adjusts the mixing proportion of cold water and hot water, so that the temperature of the mixed water can be automatically kept at a set temperature. As shown in fig. 1, the thermostatic valve core structure of the prior art generally includes a handle 100, a handle seat 200, a valve body 300, a stud 400, a plunger 500, a core rod 600, a core rod spring 700 and a return ring 800, wherein the core rod 600 is a heat-sensitive element and is used for controlling the back and forth movement of a piston through temperature sensing, and regulating the flow ratio of cold water and hot water entering the valve body, so as to achieve the effect of discharging water at a constant temperature.

According to the existing thermostatic valve core structure, a core rod spring 700 of a core rod 600 is sleeved at the top of a backflow ring 800, water flow can flow through the core rod spring 700 firstly and then flows out of the backflow ring 800 when the thermostatic valve core structure works, the interior of a valve core cavity of the thermostatic valve core structure is completely contacted with water, when the water temperature is reduced to zero degree in winter, the water is formed into ice, the volume is enlarged, no place is left for discharging, the valve core and a main faucet are easily frozen and cracked, and losses such as household water flooding are caused.

SUMMERY OF THE UTILITY MODEL

In order to compensate the deficiency that exists among the prior art, the utility model provides a noiselessness frost crack resistance thermostatic valve core can prevent effectively that low temperature from causing case and main part tap frost crack.

In order to achieve the purpose, the utility model adopts the technical scheme as follows:

the utility model provides a noiselessness frost crack constant temperature valve core, includes handle, handle seat, valve body, double-screw bolt, plunger, plug spring, backward flow circle, the valve body diapire is equipped with the through-hole, the plug outer wall has cup jointed from inside to outside in proper order the backward flow circle plug spring and frost crack circle, the backward flow circle is equipped with backward flow circle edge, just backward flow circle edge with the valve body inner wall closely laminates, the anti-freeze circle is equipped with frost crack circle edge, wear out the frost crack circle bottom the through-hole, just the frost crack circle is along lapping and leaning on the valve body diapire, plug spring top supports the backward flow circle is along the bottom surface, and the bottom supports freeze crack circle diapire.

Furthermore, the antifreeze ring is evenly distributed with grooves facing the center of the antifreeze ring along the top surface.

Furthermore, the lateral wall that the backward flow circle was followed inlays and is equipped with backward flow circle rubber ring, freeze proof circle with be equipped with freeze proof circle rubber ring between the backward flow circle.

Further, the handle seat is connected at the top end of the valve body, the lower portion of the handle is inserted into the handle seat, a stud connecting sleeve is sleeved on the lower portion of the handle, and a connecting sleeve rubber ring is arranged between the stud connecting sleeve and the inner wall of the handle seat.

Further, the double-screw bolt embedding the handle bottom, the double-screw bolt is equipped with lower open-ended cavity, be equipped with double-screw bolt spring and fore-set from last to down in the cavity in proper order, the top of plug with the fore-set looks block.

Furthermore, the plunger is sleeved in the middle of the core rod, and a plunger rubber ring is embedded in the outer wall of the plunger.

Furthermore, a cold water inlet and a hot water inlet are axially formed in the side wall of the valve body, and the plunger rubber ring is located between the cold water inlet and the hot water inlet.

Furthermore, the outer wall of the valve body is arranged on a waterproof rubber ring between the cold water inlet and the hot water inlet.

Compared with the prior art, the utility model discloses following beneficial technological effect has:

the utility model discloses a noiseless frost crack thermostatic cartridge, the plug lower part has cup jointed backward flow circle, plug spring and frost crack circle from inside to outside in proper order, is formed with airtight space between backward flow circle and the frost crack circle, relies on the effect of plug spring to separate the entering of water under normal atmospheric temperature, when taking place main part tap because of the low temperature and freeze, frost crack circle can the rebound make unnecessary water flow down in this airtight space to effectively prevent case and main part tap frost crack.

Drawings

Fig. 1 is a cross-sectional view of a prior art thermostatic cartridge.

Fig. 2 is the utility model discloses a section view under noise free frost crack resistance thermostatic cartridge normal condition.

Fig. 3 is a cross-sectional view of the utility model discloses a noiseless frost crack resistance thermostatic cartridge under the frozen state.

Fig. 4 is the utility model discloses a freeze proof circle top view.

Wherein: 100. a handle; 200. a handle seat; 300. a valve body; 400. a stud; 500. a plunger; 600. a core rod; 700. a core rod spring; 800. a reflux ring;

1. a handle; 2. a handle seat; 3. a valve body; 301. a cold water inlet; 302. a hot water inlet; 4. a stud; 5. stud connecting sleeves; 6. a stud spring; 7. a top pillar; 8. a plunger; 9. a core rod; 10. a core rod spring; 11. a reflux ring; 1101. a backflow ring edge; 12. a freeze resistant ring; 1201. an anti-freezing ring edge; 1202. a groove; 13. connecting a rubber ring; 14. a plunger rubber ring; 15. a waterproof rubber ring; 16. a backflow ring rubber ring; 17. an anti-freezing ring rubber ring.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms without departing from the spirit or essential characteristics thereof, and it should be understood that the invention is not limited to the specific embodiments disclosed below.

Example 1

As shown in fig. 2-4, a noiseless frost crack resistant thermostatic valve core comprises a handle 1, a handle seat 2, a valve body 3, a stud 4, a stud connecting sleeve 5, a stud spring 6, a top post 7, a plunger 8, a core rod 9, a core rod spring 10, a backflow ring 11 and a frost crack resistant ring 12.

The handle seat 2 is arranged at the top end of the valve body 3, and the lower part of the handle 1 is inserted into the handle seat 2. The stud connecting sleeve 5 is sleeved on the lower part of the handle 1, and a connecting sleeve rubber ring 13 is arranged between the stud connecting sleeve 5 and the inner wall of the handle seat 2. The stud 4 is embedded into the bottom end of the handle 1, the stud 1 is provided with a cavity with a lower opening, and a stud spring 6 and a top column 7 are sequentially arranged in the cavity from top to bottom.

Plunger 8 is movably arranged in valve body 3, core rod 9 is sleeved in plunger 8, the top end of the core rod is clamped with top column 7, and the bottom end of the core rod penetrates out of the through hole in the bottom wall of valve body 3. And a plunger rubber ring 14 is embedded in the outer wall of the plunger 8. The side wall of the valve body 3 is provided with a cold water inlet 301 and a hot water inlet 302 along the axial direction, and the plunger rubber ring 14 is positioned between the cold water inlet 301 and the hot water inlet 302. The outer wall of the valve body 3 is provided with a water-stop rubber ring 15 between the cold water inlet 301 and the hot water inlet 302.

The outer wall of the lower part of the mandrel 9 is sleeved with a backflow ring 11, a mandrel spring 10 and an anti-freezing ring 12 from inside to outside in sequence. The backflow ring 11 is provided with a backflow ring edge 1101, a backflow ring rubber ring 16 is embedded in the side wall of the backflow ring edge 1101, the backflow ring is tightly attached to the inner wall of the valve body 3 along 1101, and water can only flow out of the backflow ring.

The anti-freezing ring 12 is provided with an anti-freezing ring edge 1201, the bottom end of the anti-freezing ring 12 penetrates out of the through hole in the bottom of the valve body 3, and the anti-freezing ring edge 1201 abuts against the bottom wall of the valve body 3. The top end of the core rod spring 10 abuts against the bottom surface of the return coil rim 1101, and the bottom end abuts against the bottom wall of the freeze ring 12. An anti-freezing ring rubber ring 17 is arranged between the anti-freezing ring 12 and the backflow ring 11. The freeze ring has grooves 1202 evenly distributed along the top surface 1201 towards the center of the freeze ring 12.

Referring to fig. 2, at normal temperature, the area between the return ring edge 1101 and the freeze ring edge 1201 of the noise-free frost crack-resistant thermostatic valve cartridge of the present invention is an enclosed space, the freeze ring edge 1201 is tightly pressed at the bottom of the valve body 3 under the elastic force of the mandrel spring 10, when the noise-free frost crack-resistant thermostatic valve cartridge works, mixed water flows away from the return ring 11, and water cannot enter the enclosed space from the freeze ring 12; referring to fig. 3, when the temperature is low, water (located the valve body lower extreme) in the main part tap of being connected with thermostatic valve core can't release because of freezing, and the ice-cube can make the freeze proof circle leave 3 diapalls of valve body along 1201 up to push up the freeze proof circle, thereby open airtight space, unnecessary water can follow the freeze

proof circle

12 and 2 diapalls of valve body through-holes the clearance get into airtight space in, and then can reduce the main part tap that leads to because of the water expansion that freezes and break.

Although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, but all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a noiselessness frost crack resistance constant temperature case, includes handle, handle seat, valve body, double-screw bolt, plunger, plug spring, backward flow circle, the valve body diapire is equipped with through-hole, its characterized in that: the plug outer wall has cup jointed from inside to outside in proper order the backward flow circle plug spring and freeze proof circle, the backward flow circle is equipped with the backward flow circle and follows, just the backward flow circle along with the valve body inner wall closely laminates, anti freeze circle is equipped with freeze proof circle and follows, wear out freeze proof circle bottom the through-hole, just freeze proof circle is along taking by the valve body diapire, plug spring top supports the backward flow circle is along the bottom surface, and the bottom supports freeze proof circle diapire.

2. The noiseless freeze-crack resistant thermostatic valve cartridge of claim 1, wherein: the top surface evenly distributed that freeze proof circle was followed has the orientation freeze proof central recess of circle.

3. The noiseless freeze-crack resistant thermostatic valve cartridge of claim 2, wherein: the side wall that the backward flow circle was followed inlays and is equipped with backward flow circle rubber ring, freeze proof circle with be equipped with freeze proof circle rubber ring between the backward flow circle.

4. The noiseless freeze-crack resistant thermostatic valve cartridge of claim 3, wherein: the handle seat is connected the valve body top, the handle lower part is inserted in the handle seat, just the double-screw bolt adapter sleeve has been cup jointed to the handle lower part, the double-screw bolt adapter sleeve with be equipped with the adapter sleeve rubber ring between the handle seat inner wall.

5. The noiseless freeze-crack resistant thermostatic valve cartridge of claim 4, wherein: the double-screw bolt embedding handle bottom, the double-screw bolt is equipped with lower open-ended cavity, be equipped with double-screw bolt spring and fore-set from last to down in the cavity in proper order, the top of plug with the fore-set looks block.

6. The noiseless freeze-crack resistant thermostatic valve cartridge of claim 5, wherein: the plunger is sleeved in the middle of the core rod, and a plunger rubber ring is embedded in the outer wall of the plunger.

7. The noiseless freeze-crack resistant thermostatic valve cartridge of claim 6, wherein: the side wall of the valve body is provided with a cold water inlet and a hot water inlet along the axial direction, and the plunger rubber ring is positioned between the cold water inlet and the hot water inlet.

8. The noiseless freeze-fracture resistant thermostatic cartridge of claim 7, wherein: and a waterproof rubber ring between the cold water inlet and the hot water inlet is arranged on the outer wall of the valve body.