CN214248399U

CN214248399U - Anti-scalding component

Info

Publication number: CN214248399U
Application number: CN202022639143.0U
Authority: CN
Inventors: 罗伟龙; 严永强; 王春华; 阮明明
Original assignee: Xiamen Dermei Sanitary Ware Co Ltd
Current assignee: Xiamen Dermei Sanitary Ware Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-09-21
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a prevent scalding subassembly, include through setting up the floating group at casing group, be provided with the first passageway that overflows that has the mouth of overflowing and the second that has the mouth of overflowing respectively inside and outside the floating group, it overflows the passageway to be provided with temperature sensing spring in the first passageway of overflowing and promotes interior floating sleeve in order to seal or keep away from the mouth of overflowing, through carrying to draw the group to peg graft or keep away from the floating group and let the floating group restrict and seal the mouth of overflowing or let the floating group move down and open the mouth of overflowing, the temperature sensing through temperature sensing spring realizes these two kinds of modes of overflowing, can let the user prevent that the high temperature from opening the switch and scalding under the unknown condition, can let the user obtain hot water when needing the high temperature water again.

Description

Anti-scalding component

Technical Field

The utility model relates to an accessory subassembly of bathroom product especially relates to an anti-scalding subassembly.

Background

In bathroom products, as terminal products, a shower head, a shower nozzle, a spray gun and the like are provided, when a user opens a corresponding switch to enable water flow to the terminal products, if the user carelessly adjusts the position of the hot water, the hot water flows out from the terminal products to scald the user when the switch is opened; if a temperature sensing component can be connected in front of the terminal product to control the cold and hot water flows, the safety of a user is ensured.

SUMMERY OF THE UTILITY MODEL

The utility model provides a scald-proof component for solving the above problems.

In order to achieve the above object, the utility model adopts the following technical scheme:

an anti-scald component comprises a shell group with an inner cavity, a movable group arranged in the inner cavity, and a lifting group arranged on the side wall of the shell group and abutted against the movable group;

a closed or opened flow passage is formed between the movable group and the inner cavity; the movable group comprises an overflow port, a temperature sensing spring and an inner movable sleeve arranged between the overflow port and the temperature sensing spring; the temperature sensing spring is acted by temperature to enable the inner movable sleeve to move upwards to be far away from the overflowing opening to form a first overflowing channel, or the inner movable sleeve moves downwards to be attached to the overflowing opening to block the first overflowing channel;

the lifting group limits the movable group to move downwards to block the through flow port; the lifting group is lifted towards one side far away from the shell group and far away from the movable group, and the movable group moves downwards under the action of water pressure to open the through flow port to form a second flow passage.

Preferably, the housing assembly comprises an upper outer housing, a lower outer housing and a lower housing shell connecting the upper outer housing and the lower outer housing, an inner housing unit penetrating the top of the upper outer housing is arranged in the upper outer housing, the inner cavity penetrates through the inner housing unit, the lower housing shell and the lower outer housing, and a first sealing gasket is arranged between the inner housing unit and the lower housing shell; the upper end of the inner shell unit is provided with a water inlet, and the lower end of the lower shell is provided with a water outlet.

Preferably, the inner shell unit comprises an inner lower shell, an inner upper shell fixedly arranged on the inner lower shell, and a rotary joint sleeved on the inner upper shell, and a first sealing ring is arranged between the inner upper shell and the rotary joint; the inner side wall of the rotary joint is provided with the water inlet, and the inner side wall of the water inlet is provided with internal threads; the inner lower shell and the lower shell are in sealing fit through the first sealing gasket.

Preferably, the movable group comprises an upper movable body and a lower movable body which are fixedly connected with each other up and down, a second sealing ring sleeved on the upper side wall of the upper movable body, and a second spring arranged between the lower movable body and the lower end surface of the inner lower shell, the through flow port is formed between the inner upper shell and the upper movable body, and the upper movable body and the lower movable body form a movable body unit which is movably inserted in the through flow port; when the movable body unit is inserted into the inner upper shell, the second sealing ring seals the menstrual flow port.

Preferably, the movable body unit is provided with an overflowing cavity, the overflowing cavity is provided with the overflowing port on the lower end face of the lower movable body, one end of the overflowing cavity, which is close to the upper movable body, is provided with a guide post, the guide post extends to the overflowing port, and the guide post is sequentially sleeved with the temperature sensing spring, the inner movable sleeve and the first spring from top to bottom; the temperature sensing spring extends and moves downwards under the action of temperature to enable the inner movable sleeve and the first spring to be compressed, so that the inner movable sleeve closes the overflowing opening; or the temperature sensing spring contracts under the action of temperature and enables the first spring to extend and push the inner movable sleeve to move upwards to be far away from the flow through opening.

Preferably, a second sealing gasket is further arranged between the inner movable sleeve and the first spring and used for ensuring that the inner movable sleeve and the overflowing opening are in sealing fit to close the overflowing opening.

Preferably, a lifting joint is convexly arranged on the side wall of the upper shell, a first through hole penetrating through the side wall of the upper shell is formed in the lifting joint, a second through hole penetrating through the first through hole is clamped on the side wall of the inner lower shell, and the lifting group penetrates through the first through hole and the second through hole to limit the movable group to move downwards; and the outer side wall of the lifting joint is provided with an external thread.

Preferably, the lifting group comprises a lifting rod penetrating through the first through hole and the second through hole, a third spring sleeved on the lifting rod, and a rotary cover sleeved on one end of the lifting rod far away from the upper shell, the rotary cover is in threaded connection with the external thread to limit the third spring in the first through hole, a third sealing ring is sleeved on one end, accommodated in the second through hole, of the lifting rod, and the third sealing ring is used for sealing the lifting rod and the second through hole.

Preferably, a limit table corresponding to the lifting rod is arranged on the side wall of one end, close to the lifting rod, of the lower movable body, and the lifting rod is movably arranged below the limit table.

Preferably, the lower casing is sleeved on the lower casing, a third sealing gasket is arranged between the lower surface of the lower casing and the lower casing, and a hydroelectric generator is arranged in one end of the lower casing in the inner cavity.

Preferably, the temperature sensing spring is made of a memory alloy material.

The utility model has the advantages that:

1) the temperature sensing through the temperature sensing spring realizes the two kinds of over-current modes, the user can be prevented from opening the switch at high temperature under unknown conditions and being scalded, and the user can obtain hot water when needing high-temperature water.

2) The movable body unit cannot move downwards due to the fact that the lifting rod is inserted into the limiting table, the lifting rod is pulled towards one side far away from the upper shell to enable the lifting rod not to be inserted into the limiting table any more, the movable body unit can move downwards under the action of water pressure, and the second overflowing channel is closed or circulated in the mode.

3) And the temperature sensing spring is made of memory alloy materials, so that the anti-scalding component is stable in performance.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a front sectional view of the scald-proof assembly of the present invention.

Fig. 2 is a first front view of the scald-proof assembly of the present invention.

Fig. 3 is a second front view of the scald-proof assembly of the present invention.

Fig. 4 is a third front view of the scald-proof assembly of the present invention.

Fig. 5 is a left side view of the scald-proof assembly of the present invention.

Fig. 6 is a front view of the scald-proof assembly of the present invention.

Reference numbers in the figures:

1. a housing group; 11. an upper housing; 12. an inner upper shell; 13. an inner lower shell; 14. a rotary joint; 15. a first gasket; 16. a lower housing shell; 17. a lower housing; 18. a first seal ring; 19. a hydro-generator; 190. a third gasket;

2. an activity group; 21. an upper movable body; 22. a lower movable body; 23. a temperature sensing spring; 24. an inner movable sleeve; 25. a second gasket; 26. a first spring; 27. a second spring; 28. a second seal ring;

3. a pulling group; 31. lifting a pull rod; 32. screwing a cover; 33. a third spring; 34. a third seal ring;

101. a water inlet; 102. a water outlet; 103. a flow-through port; 104. through the flow port.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 6, an anti-scald assembly according to a preferred embodiment of the present invention includes a housing assembly 1 having an inner cavity, a movable assembly 2 disposed in the inner cavity, and a lifting assembly 3 disposed on a sidewall of the housing assembly 1 and abutting against the movable assembly 2;

a through flow port 104 which can be closed or opened is formed between the movable group 2 and the inner cavity; the movable group 2 comprises an overflow port 103, a temperature sensing spring 23 and an inner movable sleeve 24 arranged between the overflow port 103 and the temperature sensing spring 23; the temperature sensing spring 23 is acted by temperature to move the inner movable sleeve 24 upwards to be away from the overflowing opening 103 to form a first overflowing channel, or the inner movable sleeve 24 moves downwards to be attached to the overflowing opening 103 to block the first overflowing channel;

the pulling group 3 limits the movable group 2 to move downwards to block the through-flow opening 104; the lifting group 3 is lifted to the side far away from the shell group 1 and is far away from the movable group 2, and the movable group 2 moves downwards under the action of water pressure to open the flow passage opening 104 to form a second flow passage.

In this embodiment, the housing assembly 1 includes an upper outer housing 11, a lower outer housing 17, and a lower casing 16 connecting the upper outer housing 11 and the lower outer housing 17, wherein an inner housing unit penetrating the top of the upper outer housing 11 is disposed in the upper outer housing 11; the inner shell unit comprises an inner lower shell 13, an inner upper shell 12 fixedly arranged on the inner lower shell 13 and a rotary joint 14 sleeved on the inner upper shell 12, wherein a first sealing ring 18 is arranged between the inner upper shell 12 and the rotary joint 14; a water inlet 101 is formed in the inner side wall of the rotary joint 14, and internal threads are formed in the inner side wall of the water inlet 101; the inner lower shell 13 and the lower shell 16 are in sealing fit through the first sealing gasket 15; the inner cavity penetrates through the inner upper shell 12, the inner lower shell 13, the lower casing 16 and the lower outer shell 17 from the rotary joint 14, and a first sealing gasket 15 is arranged between the inner lower shell 13 and the lower casing 16; the lower end of the lower shell 17 is provided with a water outlet 102.

In this embodiment, the movable group 2 is disposed at one end of the inner cavity close to the inner shell unit; the movable group 2 comprises an upper movable body 21 and a lower movable body 22 which are fixedly connected with each other up and down, a second sealing ring 28 sleeved on the upper side wall of the upper movable body 21, and a second spring 27 arranged between the lower movable body 22 and the lower end surface of the inner lower shell 13, the through flow port 104 is formed between the inner upper shell 12 and the upper movable body 21, and the upper movable body 21 and the lower movable body 22 form a movable body unit which can be movably inserted into the through flow port 104; when the movable body unit is inserted into the inner upper shell 12, the second sealing ring 28 closes the through-flow opening 104; the water flow from the water inlet 101 through the through-flow opening 104 and from between the inner housing unit and the movable body unit to the inner cavity near the end of 17 is the second through-flow channel.

In this embodiment, the movable body unit has an overflow cavity, the overflow port 103 is formed in the lower end surface of the lower movable body 21 of the overflow cavity, a guide post is arranged at one end of the overflow cavity close to the upper movable body 21, and the guide post extends to the overflow port 103; the guide post is formed by connecting two sections of columns, the diameter of the upper section of the guide post is larger than that of the lower section of the guide post, the lower section of the guide post is inserted into the inner movable sleeve 24, the inner movable sleeve 24 is formed by connecting three sections of pylons, the middle section of the pylon is respectively larger than the upper section of the pylon and the lower section of the pylon, the diameter of the upper section of the pylon is close to that of the upper section of the guide post, the temperature sensing spring 23 is sleeved on the upper section of the guide post and the upper section of the pylon and cannot be separated due to the limitation of the middle section of the pylon, the second sealing gasket 25 is sleeved on the lower section of the pylon, the first spring 26 is sleeved on the lower section of the guide post and is accommodated in the overflowing opening 103, and the first spring 26 is limited between the overflowing opening 103 and the second sealing gasket 25 without separation; the temperature sensing spring 23 extends under the action of temperature to make the inner movable sleeve 24 and the second sealing gasket 25 move downwards and compress the first spring 26, and the inner movable sleeve 24 and the second sealing gasket 25 close the flow-through opening 103; or the temperature sensing spring 23 contracts under the action of temperature and enables the first spring 26 to extend and push the inner movable sleeve 24 and the second sealing gasket 25 to move upwards to be far away from the flow-through opening 103, and the second sealing gasket 25 is used for ensuring the sealing fit between the inner movable sleeve 24 and the flow-through opening 103 so as to close the flow-through opening 103; the water flow flows from the water inlet 101 to the overflowing opening 103 through the overflowing cavity to the inner cavity close to one end of the 17, and the water flow path is a first overflowing channel; the temperature sensing spring 23 is made of a memory alloy material, such as a titanium alloy material, so as to set the sensing temperature of the temperature sensing spring 23; in this embodiment, the temperature setting of the temperature sensing spring 23 is 39 ℃, the temperature can be customized according to the requirement of the customer, and any customized temperature is the protection scope of the present invention.

In this embodiment, a lifting joint is convexly arranged on the side wall of the upper housing 11, a first through hole penetrating through the side wall of the upper housing 11 is formed in the lifting joint, a second through hole penetrating through the first through hole is clamped on the side wall of the inner lower housing 13, and the lifting group 3 penetrates through the first through hole and the second through hole to limit the downward movement of the movable group 2; the outer side wall of the lifting joint is provided with an external thread; the lifting group 3 comprises a lifting rod 31 penetrating through the first through hole and the second through hole, a third spring 33 sleeved on the lifting rod 31, and a screw cap 32 sleeved on one end of the lifting rod 31 far away from the upper shell 11, wherein the screw cap 32 is in threaded connection with the external thread to limit the third spring 33 in the first through hole, a third sealing ring 34 is sleeved on one end, accommodated in the second through hole, of the lifting rod 31, and the third sealing ring 34 is used for sealing the lifting rod 31 and the second through hole; a limit table corresponding to the lifting rod 31 is arranged on the side wall of one end, close to the lifting rod 31, of the lower movable body 22, and the lifting rod 31 is movably arranged below the limit table; and pulling the lifting rod 31 to be far away from one end of the upper shell 11, wherein the lifting rod 31 does not limit the limiting table any more, and the movable body unit moves downwards under the action of water pressure.

In this embodiment, the lower casing 17 is sleeved on the lower casing 16, a third sealing gasket 190 is disposed between the lower surface of the lower casing 16 and the lower casing 17, a hydroelectric generator 19 is disposed in one end of the lower casing 16 in the inner cavity, and the hydroelectric generator 19 generates electricity to be used by end products requiring electricity.

The working principle of the utility model is as follows:

the scald-proof component is arranged at the front end of the terminal product, a corresponding switch is turned on, and water flows from the scald-proof component to the terminal product; here, for example, if the temperature-sensitive temperature of the temperature-sensitive spring 23 is set to 39 ℃, water enters from the water inlet 101, and when the water temperature is lower than 39 ℃, as shown in fig. 2, if the temperature-sensitive water flow temperature of the temperature-sensitive spring 23 is low, the temperature-sensitive spring 23 contracts to approach the inner upper shell 12, the first spring 26 pushes the inner movable sleeve 24 and the second gasket 25 to move away from the water passing opening 103, the first water passing channel is opened, and water flows to the water passing opening 103, then flows to the inner cavity at one end of the lower sleeve 16, and flows out from the water outlet 102. When the water temperature is at or above 39 ℃, referring to fig. 3, when the temperature sensing spring 23 senses a high temperature of the water flow, the temperature sensing spring 23 expands and extends, and the extension force of the temperature sensing spring 23 is greater than the extension force of the first spring 26, the inner movable sleeve 24 and the second gasket 25 are pressed, pushed and compressed by the temperature sensing spring 23, the first spring 26 is pressed into the flow passage opening 103, the second gasket 25 abuts against the flow passage opening 103 to prevent the water flow from passing through the flow passage opening 103, and the first flow passage is closed; meanwhile, the lifting rod 31 limits the limiting table to prevent the movable body unit from moving downwards, the upper movable body 21 is attached to the inner upper shell 12 and sealed by the second sealing ring 28 to close the flow passage 104, the second flow passage is closed, and at this time, both flow passages are closed, so that water flow cannot pass through. When water is needed again when the temperature of water is at or above 39 ℃, referring to fig. 4 and 5, the lifting rod 31 is pulled to be away from one end of the upper outer shell 11, the lifting rod 31 is away from the limiting table, so that the movable body unit is not limited, the movable body unit moves downwards under the action of the water pressure at one end of the water inlet 101 and compresses the second spring 27, the upper movable body 21 and the second sealing ring 28 are away from the inner upper shell 12, the through-flow port 104 is opened, the second through-flow channel is opened, and water flows through the second through-flow channel, then flows to the inner cavity at one end of the lower shell 16, and flows out from the water outlet 102. When the water temperature is recovered to below 39 ℃, referring to fig. 6, the temperature sensing spring 23 is recovered to the original contracted state, the first flow passage is opened, at this time, the movable body unit is no longer affected by the water pressure, under the elastic force extension action of the second spring 27, the upper movable body 21 and the inner upper shell 12 are attached and sealed by the second sealing ring 28, so that the flow passage opening 104 is closed, meanwhile, under the extension action of the third spring 33, the lifting rod 31 is inserted below the limit table, so that the movable body unit cannot move down, at this time, the second flow passage is closed, the first flow passage is opened, and the water flows to the flow passage opening 103, then flows to the inner cavity at one end of the lower shell 16, and flows out from the water outlet 102.

The utility model discloses a set up in casing group 1 the movable group 2, be provided with respectively inside and outside the movable group 2 have the first passageway that overflows of flow port 103 and have the second passageway that overflows of flow port 104, be provided with temperature sensing spring 23 in the first passageway that overflows and promote interior movable sleeve 24 in order to seal or keep away from flow port 103, through carry group 3 peg graft or keep away from the movable group 2 and let the movable group 2 restrict and seal flow port 104 or let the movable group 2 move down and open flow port 104, realize these two kinds of overflow modes through the temperature sensing of temperature sensing spring 23, can let the user prevent to open the switch and scald at high temperature under the unknown condition, can let the user obtain hot water when needing high-temperature water again; the movable body unit cannot move downwards due to the fact that the lifting rod 31 is inserted into the limiting table, and the movable body unit can move downwards under the action of water pressure by pulling the lifting rod 31 to the side far away from the upper shell 11, so that the lifting rod 31 is not inserted into the limiting table any more, the second overflowing channel is closed or circulated in the mode, operation is simple and convenient, manual intentional lifting is achieved, button-type misoperation cannot be generated, and safety and reliability are achieved; the temperature sensing spring 23 is made of memory alloy material, so that the anti-scalding component is stable in performance.

While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. An anti-scald assembly is characterized by comprising a shell group with an inner cavity, a movable group arranged in the inner cavity, and a lifting group which is arranged on the side wall of the shell group and abutted to the movable group;

2. An anti-scald assembly as recited in claim 1, wherein the housing assembly includes an upper housing, a lower housing, and a lower casing connecting the upper housing and the lower housing, an inner housing unit is disposed in the upper housing and extends through a top of the upper housing, the inner cavity extends through the inner housing unit, the lower casing, and the lower housing, and a first gasket is disposed between the inner housing unit and the lower casing; the upper end of the inner shell unit is provided with a water inlet, and the lower end of the lower shell is provided with a water outlet.

3. An anti-scald assembly as claimed in claim 2, wherein the inner shell unit comprises an inner lower shell, an inner upper shell fixedly arranged on the inner lower shell, and a rotary joint sleeved on the inner upper shell, and a first sealing ring is arranged between the inner upper shell and the rotary joint; the inner side wall of the rotary joint is provided with the water inlet, and the inner side wall of the water inlet is provided with internal threads; the inner lower shell and the lower shell are in sealing fit through the first sealing gasket.

4. An anti-scald assembly as recited in claim 3, wherein the movable assembly includes an upper movable body and a lower movable body which are vertically fixed to each other, a second sealing ring sleeved on an upper side wall of the upper movable body, and a second spring disposed between the lower movable body and a lower end surface of the inner lower shell, the through-flow opening is formed between the inner upper shell and the upper movable body, and the upper movable body and the lower movable body form a movable body unit which is movably inserted into the through-flow opening; when the movable body unit is inserted into the inner upper shell, the second sealing ring seals the menstrual flow port.

5. An anti-scald assembly as claimed in claim 4, wherein the movable body unit has an overflow cavity, the overflow cavity is provided with the overflow port on a lower end surface of the lower movable body, a guide post is provided at one end of the overflow cavity close to the upper movable body, the guide post extends to the overflow port, and the temperature sensing spring, the inner movable sleeve and the first spring are sequentially sleeved on the guide post from top to bottom; the temperature sensing spring extends and moves downwards under the action of temperature to enable the inner movable sleeve and the first spring to be compressed, so that the inner movable sleeve closes the overflowing opening; or the temperature sensing spring contracts under the action of temperature and enables the first spring to extend and push the inner movable sleeve to move upwards to be far away from the flow through opening.

6. An anti-scald assembly as recited in claim 5, wherein a second gasket is disposed between the inner movable sleeve and the first spring, and the second gasket is configured to ensure a sealing engagement between the inner movable sleeve and the flow-through opening to close the flow-through opening.

7. An anti-scald assembly as recited in claim 4, wherein a lifting joint is convexly provided on the side wall of the upper housing, the lifting joint is provided with a first through hole penetrating through the side wall of the upper housing, a second through hole penetrating through the first through hole is clamped on the side wall of the inner lower housing, and the lifting group penetrates through the first through hole and the second through hole to limit the movable group from moving downwards; and the outer side wall of the lifting joint is provided with an external thread.

8. An anti-scald assembly as defined in claim 7, wherein the lifting assembly includes a lifting rod extending through the first through hole and the second through hole, a third spring sleeved on the lifting rod, and a cap sleeved on an end of the lifting rod away from the upper housing, the cap being threadably engaged with the external thread such that the third spring is confined in the first through hole, and a third sealing ring is sleeved on an end of the lifting rod received in the second through hole, the third sealing ring being adapted to seal the lifting rod and the second through hole.

9. An anti-scald assembly as recited in claim 8, wherein a limiting platform corresponding to the lifting rod is disposed on a side wall of the lower movable body near one end of the lifting rod, and the lifting rod is movably disposed below the limiting platform.

10. An anti-scald assembly as recited in claim 2, wherein the lower housing is sleeved on the lower casing, a third gasket is disposed between the lower surface of the lower casing and the lower housing, and a hydroelectric generator is disposed in the inner cavity at one end of the lower casing.

11. An anti-scald assembly as defined in claim 1, wherein the temperature-sensitive spring is made of a memory alloy material.