阅读说明：本技术 一种防烫花洒 (Scald-proof shower head ) 是由 王彦庆 黄雨春 郭小召 宋子春 王翠杰 于 2020-05-20 设计创作，主要内容包括：本发明涉及一种防烫花洒,包括本体、感温芯组件、过水盘和面盖,感温芯组件包括阻尼片、感温金属弹片、膜片支撑片和膜片,感温芯组件一侧开有阻尼孔,感温金属弹片表面为弧面结构,感温金属弹片包括两个热膨胀系数不同的金属片,阻尼片通过弹簧与本体相连,感温金属弹片固定于阻尼片和膜片支撑片之间,所述膜片支撑片中部开有泄流孔,膜片卡接于膜片支撑片下方,感温芯组件受弹簧的作用与过水盘紧密抵接,本专利通过温度控制感温芯组件的位置,进而控制水路通断,当冷水突然失去供给或热水进入花洒的量猛烈增加导致温度突然升高时,花洒会立即暂停水流,防止水流出烫伤使用者,有效提高了淋浴花洒的安全性和便捷性。(The invention relates to a scald-proof shower head, which comprises a body, a temperature-sensing core assembly, a water passing disc and a face cover, wherein the temperature-sensing core assembly comprises a damping sheet, a temperature-sensing metal elastic sheet, a membrane supporting sheet and a membrane, one side of the temperature-sensing core assembly is provided with a damping hole, the surface of the temperature-sensing metal elastic sheet is of an arc surface structure, the temperature-sensing metal elastic sheet comprises two metal sheets with different thermal expansion coefficients, the damping sheet is connected with the body through a spring, the temperature-sensing metal elastic sheet is fixed between the damping sheet and the membrane supporting sheet, the middle part of the membrane supporting sheet is provided with a drainage hole, the membrane is clamped below the membrane supporting sheet, the temperature-sensing core assembly is tightly abutted against the water passing disc under the action of the spring, the position of the temperature-sensing core assembly is controlled by temperature so as, prevent that rivers from flowing out and scalding the user, effectively improved shower sprinkler's security and convenience.)

1. The utility model provides a prevent scalding gondola water faucet, a serial communication port, include body, temperature sensing core subassembly, cross water dish and face lid, temperature sensing core subassembly includes damping fin, temperature sensing metal shrapnel, diaphragm backing sheet and diaphragm, open temperature sensing core subassembly one side has the damping hole, temperature sensing metal shrapnel surface is ARC structure, and temperature sensing metal shrapnel includes the sheetmetal that two thermal expansion coefficients are different, the damping fin is connected with the body through the spring, temperature sensing metal shrapnel is fixed in between damping fin and the diaphragm backing sheet, open at diaphragm backing sheet middle part has the discharge orifice, and diaphragm backing sheet surface encircles the discharge orifice and is equipped with O shape circle, the diaphragm joint is in diaphragm backing sheet below, temperature sensing core subassembly receives the effect of spring and crosses the inseparable butt.

2. The anti-scald shower head as claimed in claim 1, wherein the upper end of the spring is bent vertically downward to form an extension, and the extension is disposed through the damping hole.

3. The anti-scald shower head as claimed in claim 1, wherein a plurality of limiting posts are uniformly and fixedly connected to the lower surface of the membrane supporting plate along the circumferential direction, a plurality of limiting holes are formed in the surface of the membrane corresponding to the limiting posts, and each of the limiting posts penetrates through the limiting holes.

4. The anti-scald shower head as claimed in claim 3, wherein the end of the limiting post protrudes outwards to form a clamping portion, and the membrane is clamped below the membrane supporting plate through the limiting post.

5. The anti-scald shower head as claimed in claim 3 or 4, wherein the limiting posts and the limiting holes are respectively provided with 4.

6. The anti-scald shower head as claimed in claim 1 or 3, wherein an inner positioning ring is circumferentially arranged at the edge of the damping plate, an outer positioning ring is circumferentially arranged at the edge of the membrane supporting plate, and the inner positioning ring is clamped with the outer positioning ring.

7. The anti-scald shower head as claimed in claim 1, wherein a positioning groove is formed in the middle of the membrane supporting sheet, the drain hole is formed in the positioning groove, and the O-ring is fixedly connected to the positioning groove.

Technical Field

The invention relates to the technical field of shower equipment, in particular to an anti-scald shower head.

Background

The shower head is a common appliance in a bathroom, is generally arranged in the bathroom for shower and showering, and can be connected to various water heaters for use. Shower product divide into constant temperature shower product and non-constant temperature shower product, when using non-constant temperature shower product, present gondola water faucet does not have temperature-limiting's ability, the user may be scalded when adjusting the temperature or cold water is supplied absolutely, in addition, the user need carry out a lot of according to the gondola water faucet temperature in the use and adjusts, when trying the gondola water faucet not scald, just can obtain suitable temperature, it is more troublesome to adjust suitable temperature, lead to there being corresponding limitation in its use, still remain further improvement.

Disclosure of Invention

The invention aims to solve the technical problem of overcoming the defects in the prior art and provides an anti-scald shower head.

The invention is realized by the following technical scheme:

the utility model provides a prevent scalding gondola water faucet, a serial communication port, include body, temperature sensing core subassembly, cross water dish and face lid, temperature sensing core subassembly includes damping fin, temperature sensing metal shrapnel, diaphragm backing sheet and diaphragm, open temperature sensing core subassembly one side has the damping hole, temperature sensing metal shrapnel surface is ARC structure, and temperature sensing metal shrapnel includes the sheetmetal that two thermal expansion coefficients are different, the damping fin is connected with the body through the spring, temperature sensing metal shrapnel is fixed in between damping fin and the diaphragm backing sheet, open at diaphragm backing sheet middle part has the discharge orifice, and diaphragm backing sheet surface encircles the discharge orifice and is equipped with O shape circle, the diaphragm joint is in diaphragm backing sheet below, temperature sensing core subassembly receives the effect of spring and crosses the inseparable butt.

According to the technical scheme, preferably, the upper end of the spring is vertically bent downwards to form an extending part, and the extending part penetrates through the damping hole.

According to the above technical scheme, preferably, the lower surface of the membrane support sheet is uniformly and fixedly connected with a plurality of limiting columns along the circumferential direction, a plurality of limiting holes are formed in the positions, corresponding to the limiting columns, of the surface of the membrane, and the limiting columns penetrate through the limiting holes.

According to the above technical scheme, preferably, the end of the limiting column protrudes outwards to form a clamping portion, and the diaphragm is clamped below the diaphragm support sheet through the limiting column.

According to the above technical scheme, preferably, the limit column and the limit hole are respectively provided with 4.

According to the technical scheme, preferably, the edge of the damping sheet is provided with the inner positioning ring along the circumferential direction, the edge of the membrane supporting sheet is provided with the outer positioning ring along the circumferential direction, and the inner positioning ring is clamped with the outer positioning ring.

According to the above technical scheme, preferably, the middle of the membrane support sheet is provided with a positioning groove downwards, the drain hole is arranged in the positioning groove, and the O-shaped ring is fixedly connected in the positioning groove.

The invention has the beneficial effects that:

firstly, the bounce state of the temperature sensing metal elastic sheet is controlled through the temperature, so that the position of the temperature sensing core assembly is controlled, the on-off of a water channel is further controlled, when the temperature is suddenly increased due to the sudden loss of cold water supply or the violent increase of hot water entering the shower head, the shower head can immediately pause water flow, and the water is prevented from flowing out to scald a user; secondly, the user can feel relieved to adjust the temperature, the temperature can be conveniently and quickly adjusted to be proper, the human body is prevented from being scalded due to the change of a water supply system, and the safety and the convenience of the shower head are improved; third, application scope is wide, can lead to all non-constant temperature shower products of joining in marriage, only needs to change this gondola water faucet, can make non-constant temperature shower products have the scald preventing function.

Drawings

Fig. 1 is an exploded view of a front view structure of the present invention.

FIG. 2 is a perspective view of the damper of the present invention.

Fig. 3 is a schematic perspective view of the front surface of the film support sheet of the present invention.

Fig. 4 is a schematic perspective view of the bottom surface of the film support sheet of the present invention.

Fig. 5 is a schematic perspective view of the diaphragm portion of the present invention.

Fig. 6 is a schematic perspective view of a water pan section of the present invention.

FIG. 7 is a sectional view of the temperature sensing core assembly when the temperature of water is lower than a critical temperature.

FIG. 8 is a cross-sectional view of the front view of the present invention when water is not being supplied or the temperature of water is higher than the critical temperature.

FIG. 9 is a sectional view of the main structure of the present invention when the water temperature is lower than the critical temperature.

In the figure: 1. a body; 2. a spring; 3. a damping fin; 4. a temperature sensing metal elastic sheet; 5. an O-shaped ring; 6. a membrane support sheet; 7. a membrane; 8. a seal ring; 9. a water passing disc; 10. a face cover; 11. a limiting column; 12. a limiting hole; 13. a special-shaped groove; 14. a damping hole; 15. a vent hole; 16. a temperature sensing core assembly; 17. a hydraulic pressure chamber.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figure, the invention comprises a body 1, a temperature sensing core assembly 16, a water passing disc 9 and a face cover 10, wherein the face cover 10 is connected with the body 1 through a fixing bolt, the temperature sensing core assembly 16 and the water passing disc 9 are arranged between the body 1 and the face cover 10, a sealing element is arranged at the connecting position of the face cover 10 and the body 1, in addition, a bead collision spring 2 can be arranged according to the design requirements of different products to change different water outlet modes, the water passing disc 9 comprises a water inlet hole and a water outlet hole, a special-shaped groove 13 is arranged at the position of the water inlet hole of the water passing disc 9, a sealing ring 8 is arranged in the special-shaped groove 13, the sealing ring 8 is used for separating the water inlet hole and the water outlet hole, the temperature sensing core assembly 16 comprises a damping sheet 3, a temperature sensing metal elastic sheet 4, a membrane supporting sheet 6 and a membrane 7, a damping hole 14 is, the two metal sheets have different thermal expansion coefficients and are divided into an active layer and a passive layer, when the temperature changes to a critical temperature T2, the deformation of the active layer is larger than that of the passive layer, so that the whole bimetallic sheet bends towards one side of the passive layer, the curvature of the composite material changes to generate deformation, the critical temperature T2 and the recovery temperature T1 are unequal, the critical temperature T2 is larger than the recovery temperature T1, the critical temperature T2 and the recovery temperature T1 are different according to different types of the temperature sensing metal elastic sheets 4, the critical temperature T2 of the selected temperature sensing metal elastic sheets 4 is larger than the recovery temperature T1 and larger than the normal temperature, the temperature sensing metal elastic sheets 4 can form reciprocating circulation action according to the change of the hot water temperature, at the moment, the temperature is in an upward bouncing state, the damping sheet 3 is connected with the body 1 through the spring 2, the temperature sensing metal elastic sheets 4 are fixed between the damping sheet 3 and the diaphragm support, opening at 6 middle parts of diaphragm backing sheet has discharge orifice 15, and 6 surfaces of diaphragm backing sheet encircle discharge orifice 15 and are equipped with O shape circle 5, 7 joints of diaphragm are in 6 below of diaphragm backing sheet, temperature sensing core subassembly 16 receives spring 2's effect and water dish 9 inseparable butt, and 7 edges of diaphragm are compressed tightly sealedly by body 1 and water dish 9, form water pressure chamber 17 between temperature sensing core subassembly 16 and the body 1, and temperature sensing core subassembly 16 provides the effort by spring 2 when not passing through water and compresses tightly on water dish 9 sealed, avoids letting in the twinkling of an eye of the water of scalding, has some water to spill and scald the user. When letting in the water that is less than critical temperature T2, temperature sensing metal shrapnel 4 contact rivers, rivers temperature conduction is to temperature sensing metal shrapnel 4, make temperature sensing metal shrapnel 4 keep in the state of up-bound spring, temperature sensing metal shrapnel 4 separates with O shape circle 5 this moment, when letting in the water that is higher than critical temperature T2, temperature sensing metal shrapnel 4 contact rivers, rivers temperature conduction is to temperature sensing metal shrapnel 4, make temperature sensing metal shrapnel 4 be in the state of down-bound spring, temperature sensing metal shrapnel 4 and O shape circle 5 contact and seal this moment.

The specific working principle of this patent is as follows: when water with the temperature lower than the critical temperature T2 is introduced, the water enters the temperature sensing core assembly 16 from the gap between the damping hole 14 and the spring 2, the temperature sensing metal elastic sheet 4 is contacted with the water temperature and is lower than the critical temperature T2, deformation does not occur, the upward bouncing state is kept, at the moment, the temperature sensing metal elastic sheet 4 is separated from the O-shaped ring 5, the sectional area of the drain hole 15 is larger than the sectional area of the gap between the damping hole 14 and the spring 2, the speed of the water flowing out of the temperature sensing core assembly 16 is larger than the entering speed, the water pressure in the water pressure cavity 17 is reduced to be consistent with the external pressure P2 by the water inlet pressure P1, at the moment, P1S 1 is larger than P2S 2+ F, wherein the contact area between the temperature sensing core assembly 16 and the water passing disc 9 is S1, the horizontal section of the water pressure cavity 17 is S2, the temperature sensing core assembly 16 moves upwards under the action of the water pressure and is kept at a position with balanced stress, the temperature sensing core assembly 16 is separated from the temperature sensing core, the shower head normally discharges water; when water higher than the critical temperature T2 is introduced, the temperature sensing metal elastic sheet 4 contacts the water temperature, instantaneously deforms, bounces downwards, and is sealed with the O-shaped ring 5, the drain hole 15 is sealed, the water enters the water pressure cavity 17 from the gap between the damping hole 14 and the spring 2 and gathers in the water pressure cavity 17 until the water pressure in the water pressure cavity 17 is equal to P1, and because the P1S 2+ F bullet is greater than P1S 1 at the moment, the contact area between the temperature sensing core assembly 16 and the water passing disc 9 is S1, the horizontal cross section of the water pressure cavity 17 is S2, the temperature sensing core assembly 16 and the water passing disc 9 are tightly pressed and sealed, water does not flow out, scalding is effectively prevented, and the temperature sensing metal elastic sheet 4 can only rebound upwards when the water temperature drops below the recovery temperature T1, and normal water flow can be recovered.

According to the above technical solution, preferably, the upper end of the spring 2 is bent vertically downwards to form an extension part, and the extension part is disposed through the damping hole 14, so that the damping hole 14 can be prevented from being blocked when the temperature sensing core assembly 16 moves.

According to the technical scheme, preferably, the lower surface of the membrane supporting sheet 6 is uniformly and fixedly connected with a plurality of limiting columns 11 along the circumferential direction, a plurality of limiting holes 12 are formed in the positions, corresponding to the limiting columns 11, of the surface of the membrane 7, each limiting column 11 penetrates through the corresponding limiting hole 12, the end portions of the limiting columns 11 protrude outwards to form clamping portions, the membrane 7 is clamped below the membrane supporting sheet 6 through the corresponding limiting column 11 to fix the position of the membrane 7, and 4 limiting columns 11 and 4 limiting holes 12 are respectively arranged in the example.

According to the above technical scheme, preferably, the edge of the damping sheet 3 is circumferentially provided with an inner positioning ring, the edge of the diaphragm support sheet 6 is circumferentially provided with an outer positioning ring, the inner positioning ring is clamped with the outer positioning ring, in this example, the inner positioning ring is relatively provided with two clamping plates, the ends of the two clamping plates protrude outwards to form clamping blocks, clamping holes are respectively formed in the surfaces of the outer positioning ring and the clamping blocks of the clamping plates, the inner positioning ring is clamped with the outer positioning ring through the clamping plates, so that the temperature sensing metal elastic sheet 4 is positioned between the damping sheet 3 and the diaphragm support sheet 6, the position of the temperature sensing metal elastic sheet 4 is limited, and the temperature sensing metal elastic sheet is prevented from shifting.

According to the technical scheme, preferably, the middle of the membrane supporting sheet 6 is downwards provided with a positioning groove, the horizontal section of the positioning groove is circular, the drain hole 15 is arranged in the positioning groove, the O-shaped ring 5 is fixedly connected in the positioning groove, in the embodiment, the upper surface of the O-shaped ring 5 is arranged higher than the bottom surface of the membrane supporting sheet 6, when water higher than the critical temperature T2 is introduced, the temperature sensing metal elastic sheet 4 is in a downward bouncing state, and at the moment, the temperature sensing metal elastic sheet 4 is tightly connected with the O-shaped ring 5 and sealed.

This patent has following beneficial effect: firstly, the bounce state of the temperature sensing metal elastic sheet 4 is controlled through the temperature, so that the position of the temperature sensing core assembly 16 is controlled, the on-off of a water channel is further controlled, when the temperature is suddenly increased due to the sudden loss of cold water supply or the sudden increase of the amount of hot water entering the shower head, the shower head can immediately pause water flow, and the water is prevented from flowing out to scald a user; secondly, the user can feel relieved to adjust the temperature, the temperature can be conveniently and quickly adjusted to be proper, the human body is prevented from being scalded due to the change of a water supply system, and the safety and the convenience of the shower head are improved; third, application scope is wide, can lead to all non-constant temperature shower products of joining in marriage, only needs to change this gondola water faucet, can make non-constant temperature shower products have the scald preventing function.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.