Anti-scalding component

Abstract

The present invention discloses an anti-scalding component, including a movable group arranged in a shell group, a first flow channel with a flow port and a second flow channel with a through flow port respectively arranged inside and outside the movable group, a temperature-sensitive spring arranged in the first flow channel to push the inner movable sleeve to close or move away from the flow port, and the movable group is restricted and closed by plugging or moving away from the movable group by pulling the lifting group or moving the lifting group away from the movable group, or the movable group is moved down and opened. The two flow modes are realized by the temperature sensing of the temperature-sensitive spring, which can prevent users from being scalded by turning on the switch at high temperature under unknown circumstances, and can also allow users to get hot water when they need high-temperature water.

Description

Technical Field

[0001] The invention relates to an accessory component of a bathroom product, in particular to an anti-scalding component. Background Art

[0002] Among bathroom products, the terminal products include shower heads, showerheads or spray guns. When the user turns on the corresponding switch to allow water to flow to these terminal products, if the water is accidentally adjusted to the hot water position, hot water will flow out of the terminal product when the switch is turned on, scalding the user. If a temperature-sensing component can be connected before the terminal product to control the flow of hot and cold water, the user will be safer. Summary of the invention

[0003] In order to solve the above problems, the present invention provides an anti-scalding component.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] An anti-scalding component comprises a shell group having an inner cavity, a movable group arranged in the inner cavity, and a lifting group arranged on a side wall of the shell group and abutting against the movable group;

[0006] A flow port that can be closed or opened is formed between the movable group and the inner cavity; the movable group includes a flow port, a temperature-sensitive spring, and an inner movable sleeve arranged between the flow port and the temperature-sensitive spring; the temperature-sensitive spring is affected by temperature to move the inner movable sleeve upward to move away from the flow port to form a first flow passage, or to move the inner movable sleeve downward to fit the flow port to block the first flow passage;

[0007] The lifting group restricts the movable group from moving downward to block the flow port; the lifting group pulls the movable group toward a side away from the shell group and away from the movable group, and the movable group moves downward under the action of water pressure to open the flow port to form a second flow channel.

[0008] Preferably, the shell group includes an upper outer shell, a lower outer shell, and a lower shell connecting the upper outer shell and the lower outer shell, an inner shell unit penetrating the top of the upper outer shell is arranged in the upper outer shell, the inner cavity passes through the inner shell unit, the lower shell and the lower outer shell, and a first sealing gasket is arranged between the inner shell unit and the lower shell; a water inlet is opened at the upper end of the inner shell unit, and a water outlet is opened at the lower end of the lower outer shell.

[0009] Preferably, the inner shell unit includes an inner lower shell, an inner upper shell fixed on the inner lower shell, and a rotating joint sleeved on the inner upper shell, a first sealing ring is arranged between the inner upper shell and the rotating joint; the water inlet is arranged on the inner side wall of the rotating joint, and the inner side wall of the water inlet has an internal thread; the inner lower shell and the lower sleeve shell are sealed and fitted through the first sealing gasket.

[0010] Preferably, the movable group includes an upper movable body and a lower movable body fixed to each other, 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 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 that can be movably inserted into the flow port; when the movable body unit is inserted into the inner upper shell, the second sealing ring closes the flow port.

[0011] Preferably, the movable body unit has a flow cavity, the flow cavity is provided with the flow port on the lower end surface of the lower movable body, the flow cavity is provided with a guide column at one end close to the upper movable body, the guide column extends to the flow port, and the guide column is sequentially sleeved with the temperature-sensitive spring, the inner movable sleeve, and the first spring from top to bottom; the temperature-sensitive spring is extended and moved downward by the action of temperature to cause the inner movable sleeve and compress the first spring, so that the inner movable sleeve closes the flow port; or the temperature-sensitive spring is contracted by the action of temperature to cause the first spring to extend and push the inner movable sleeve upward and away from the flow port.

[0012] Preferably, a second sealing gasket is further provided between the inner movable sleeve and the first spring, and the second sealing gasket is used to ensure a sealing fit between the inner movable sleeve and the flow opening to close the flow opening.

[0013] Preferably, a lifting joint is protruding from the side wall of the upper outer shell, and a first through hole penetrating the side wall of the upper outer shell is provided on the lifting joint, a second through hole intersecting the first through hole is provided on the side wall of the inner lower shell, and the lifting group passes through the first through hole and the second through hole to limit the downward movement of the movable group; an external thread is provided on the outer side wall of the lifting joint.

[0014] Preferably, the lifting group includes a lifting rod passing through the first through hole and the second through hole, a third spring sleeved on the lifting rod, and a screw cover sleeved on one end of the lifting rod away from the upper shell, the screw cover is threadedly connected to the external thread so that the third spring is confined in the first through hole, and the lifting rod is accommodated in one end of the second through hole and sleeved with a third sealing ring, and the third sealing ring is used to seal the lifting rod and the second through hole.

[0015] Preferably, a limiting platform corresponding to the lifting rod is arranged on the side wall of the lower movable body close to one end of the lifting rod, and the lifting rod is movably arranged below the limiting platform.

[0016] Preferably, the lower outer shell is sleeved on the lower casing, a third sealing gasket is arranged between the lower surface of the lower casing and the lower outer shell, and a hydroelectric generator is arranged in the inner cavity at one end of the lower casing.

[0017] Preferably, the temperature-sensitive spring is made of memory alloy material.

[0018] The beneficial effects of the present invention are:

[0019] 1) By arranging an active group in the shell group, a first flow passage with a flow port and a second flow passage with a through-flow port are respectively arranged inside and outside the active group, a temperature-sensitive spring is arranged in the first flow passage to push the inner active sleeve to close or move away from the flow port, and the lifting group is inserted into or away from the active group to allow the active group to limit and close the through-flow port or to move the active group downward and open the through-flow port. These two flow modes are realized by the temperature sensing of the temperature-sensitive spring, which can prevent users from being scalded by turning on the switch at high temperature under unknown circumstances, and can also allow users to get hot water when they need high-temperature water.

[0020] 2) The movable body unit cannot be moved downward by inserting the lifting rod into the limit platform, and the lifting rod is pulled away from the upper shell so that the lifting rod is no longer inserted into the limit platform, and the movable body unit can be moved downward by the water pressure. In this way, the second flow channel is closed or circulated. The operation is simple and convenient, and it is intentional to pull it up, so there will be no erroneous operation like button-type operation, which is safe and reliable.

[0021] 3) The temperature sensing spring is made of memory alloy material, which makes the performance of the anti-scalding component stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0023] Figure 1 It is a front cross-sectional view of an anti-scalding component of the present invention.

[0024] Figure 2 The main view of an anti-scalding component of the present invention Figure 1 .

[0025] Figure 3 The main view of an anti-scalding component of the present invention Figure 2 .

[0026] Figure 4 The main view of an anti-scalding component of the present invention Figure 3 .

[0027] Figure 5 The left side view of an anti-scalding component of the present invention Figure 3 .

[0028] Figure 6 The main view of an anti-scalding component of the present invention Figure 4 .

[0029] Numbers in the figure:

[0030] 1. Shell assembly; 11. Upper shell; 12. Inner upper shell; 13. Inner lower shell; 14. Rotary joint; 15. First sealing gasket; 16. Lower shell; 17. Lower shell; 18. First sealing ring; 19. Hydroelectric generator; 190. Third sealing gasket;

[0031] 2. movable group; 21. upper movable body; 22. lower movable body; 23. temperature-sensitive spring; 24. inner movable sleeve; 25. second sealing pad; 26. first spring; 27. second spring; 28. second sealing ring;

[0032] 3. Lifting group; 31. Lifting rod; 32. Screw cap; 33. Third spring; 34. Third sealing ring;

[0033] 101. Water inlet; 102. Water outlet; 103. Flow outlet; 104. Passage outlet. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] refer to Figures 1 to 6 As shown, a preferred embodiment of the present invention is an anti-scalding component, comprising a housing group 1 having an inner cavity, a movable group 2 disposed in the inner cavity, and a lifting group 3 disposed on the side wall of the housing group 1 and abutting against the movable group 2;

[0036] A closable or openable flow port 104 is formed between the movable group 2 and the inner cavity; the movable group 2 includes a flow port 103, a temperature-sensitive spring 23, and an inner movable sleeve 24 disposed between the flow port 103 and the temperature-sensitive spring 23; the temperature-sensitive spring 23 is affected by temperature to cause the inner movable sleeve 24 to move upward to move away from the flow port 103 to form a first flow passage, or to cause the inner movable sleeve 24 to move downward to fit the flow port 103 to block the first flow passage;

[0037] The lifting group 3 restricts the movable group 2 from moving downward to block the flow port 104; the lifting group 3 pulls the movable group 2 away from the shell group 1, and the movable group 2 moves downward under the action of water pressure to open the flow port 104 to form a second flow channel.

[0038] In this embodiment, the housing assembly 1 includes an upper housing 11, a lower housing 17, and a lower housing 16 connecting the upper housing 11 and the lower housing 17. An inner housing unit is provided in the upper housing 11 and passes through the top thereof; the inner housing unit includes an inner lower housing 13, an inner upper housing 12 fixedly mounted on the inner lower housing 13, and a rotary joint 14 sleeved on the inner upper housing 12, and a first sealing ring 18 is provided between the inner upper housing 12 and the rotary joint 14; the rotary joint A water inlet 101 is arranged on the inner wall of the head 14, and the inner wall of the water inlet 101 has an internal thread; the inner lower shell 13 and the lower shell 16 are sealed and fitted through the first sealing gasket 15; the inner cavity passes through the inner upper shell 12, the inner lower shell 13, the lower shell 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 shell 16; a water outlet 102 is opened at the lower end of the lower outer shell 17.

[0039] In this embodiment, the movable group 2 is arranged in the inner cavity near one end of the inner shell unit; the movable group 2 includes an upper movable body 21 and a lower movable body 22 fixed to each other, 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 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 that can be movably inserted into the flow port 104; when the movable body unit is inserted into the inner upper shell 12, the second sealing ring 28 closes the flow port 104; water flows from the water inlet 101 through the flow port 104 and flows from between the inner shell unit and the movable body unit to the inner cavity near one end of 17, and this water flow path is the second flow channel.

[0040] In this embodiment, the movable body unit has a flow cavity, and the flow cavity is provided with the flow port 103 on the lower end surface of the lower movable body 21. The flow cavity is provided with a guide column at one end close to the upper movable body 21, and the guide column extends to the flow port 103; the guide column is formed by connecting two sections of columns, the diameter of the upper section guide column is larger than the diameter of the lower section guide column, the lower section of the guide column is inserted into the inner movable sleeve 24, and the inner movable sleeve 24 is formed by connecting three sections of column platforms, and the middle section column is connected to the inner movable sleeve 24. The upper column platform is larger than the lower column platform, and the diameter of the upper column platform is similar to the diameter of the upper guide column. The temperature-sensing spring 23 is sleeved on the upper guide column and the upper column platform, and is restricted by the middle column platform and cannot be separated. The second sealing gasket 25 is sleeved on the lower column platform, and the first spring 26 is sleeved on the lower guide column and accommodated in the flow port 103. The first spring 26 is restricted between the flow port 103 and the second sealing gasket 25 and does not separate. The temperature-sensing spring 23 is sleeved on the upper guide column and the upper column platform, and is restricted by the middle column platform and cannot be separated. The second sealing gasket 25 is sleeved on the lower column platform, and the first spring 26 is sleeved on the lower guide column and accommodated in the flow port 103. The first spring 26 is restricted between the flow port 103 and the second sealing gasket 25 and does not separate. The spring 23 is extended by the temperature, causing the inner movable sleeve 24 and the second sealing gasket 25 to move downward and compress the first spring 26, and the inner movable sleeve 24 and the second sealing gasket 25 close the flow port 103; or the temperature-sensitive spring 23 is contracted by the temperature, causing the first spring 26 to extend and push the inner movable sleeve 24 and the second sealing gasket 25 upward and away from the flow port 103, and the second sealing gasket 25 is used to ensure the sealing cooperation between the inner movable sleeve 24 and the flow port 103 to close the flow port 103; water flows from the water inlet 101 through the flow cavity to the flow port 103 and flows to the inner cavity near one end of 17, and this water flow path is the first flow channel; the temperature-sensitive spring 23 is made of memory alloy material, such as titanium alloy material, to set the induction temperature of the temperature-sensitive spring 23; in this embodiment, the set temperature of the temperature-sensitive spring 23 is 39°C, and the temperature can be customized according to customer needs, and any customized temperature is within the protection scope of the present invention.

[0041] In this embodiment, a lifting joint is protruded on the side wall of the upper shell 11, and a first through hole is provided on the lifting joint, which passes through the side wall of the upper shell 11; a second through hole which is connected with the first through hole is provided on the side wall of the inner lower shell 13; the lifting group 3 passes through the first through hole and the second through hole to limit the downward movement of the movable group 2; an external thread is provided on the outer side wall of the lifting joint; the lifting group 3 includes a lifting rod 31 which passes through the first through hole and the second through hole, a third spring 33 which is sleeved on the lifting rod 31, and a screw cover 32 which is sleeved on the end of the lifting rod 31 away from the upper shell 11, and the screw cover 32 is threadedly connected with the external thread so that the third spring 33 is confined in the first through hole, and the lifting rod 31 is accommodated in the second through hole and is sleeved with a third sealing ring 34 at one end, and the third sealing ring 34 is used to seal the lifting rod 31 and the second through hole; a limit platform corresponding to the lifting rod 31 is provided on the side wall of the lower movable body 22 close to one end of the lifting rod 31, and the lifting rod 31 is movably arranged below the limit platform; when the lifting rod 31 is pulled away from one end of the upper shell 11, the lifting rod 31 no longer restricts the limit platform, and the movable body unit moves downward under the action of water pressure.

[0042] In this embodiment, the lower outer shell 17 is sleeved on the lower casing 16, and a third sealing gasket 190 is arranged between the lower surface of the lower casing 16 and the lower outer shell 17. The inner cavity is provided with a hydroelectric generator 19 in one end of the lower casing 16, and the hydroelectric generator 19 generates electricity for use by terminal products that require electricity.

[0043] The working principle of the present invention is briefly described as follows:

[0044] The anti-scalding component is installed at the front end of the terminal product, and the corresponding switch is turned on. Water flows from the anti-scalding component to the terminal product. Here, taking the temperature of the temperature-sensing spring 23 as 39°C as an example, water flows into the water inlet 101. When the water temperature is lower than 39°C, the water flows to the terminal product. Figure 2 As shown, if the temperature of the water flow sensed by the temperature-sensing spring 23 is low, the temperature-sensing spring 23 contracts and approaches the inner upper shell 12, and the first spring 26 pushes the inner movable sleeve 24 and the second sealing gasket 25 away from the water outlet 103. The first flow passage is opened, and the water flows to the flow outlet 103 and then 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 at or above 39°C, refer to Figure 3As shown, when the temperature of the water flow sensed by the temperature-sensing spring 23 is high, the temperature-sensing spring 23 expands and stretches, and the stretching force of the temperature-sensing spring 23 is greater than the stretching force of the first spring 26. The inner movable sleeve 24 and the second sealing gasket 25 are squeezed downward by the temperature-sensing spring 23, and the first spring 26 is compressed. The first spring 26 is pressed into the flow port 103, and the second sealing gasket 25 presses against the flow port 103 so that the water cannot pass through the flow port 103, and the first flow channel is closed; at the same time, the lifting rod 31 limits the limit table so that the movable body unit cannot move downward, the upper movable body 21 and the inner upper shell 12 fit together, and are sealed by the second sealing ring 28 to close the flow port 104, and the second flow channel is closed. At this time, both flow channels are closed and water cannot pass through. When the water temperature is at or above 39°C and water is needed, refer to Figure 4 and Figure 5 As shown, the lifting rod 31 is pulled away from one end of the upper shell 11, and the lifting rod 31 leaves the limit platform, so that the movable body unit is not restricted. The movable body unit moves downward 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, and the flow port 104 is opened, the second flow channel is opened, and the water flows through the second flow channel and 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 returns to below 39°C, refer to Figure 6 As shown, the temperature-sensitive spring 23 returns to its original contracted state, and the first flow channel is opened. At this time, the movable body unit is no longer affected by the water pressure. Under the elastic extension of the second spring 27, the upper movable body 21 and the inner upper shell 12 fit together and are sealed by the second sealing ring 28 to close the flow port 104. At the same time, under the extension of the third spring 33, the lifting rod 31 is inserted under the limit platform to prevent the movable body unit from moving downward. At this time, the second flow channel is closed and the first flow channel is opened. Water flows to the flow port 103 and then to the inner cavity at one end of the lower shell 16, and flows out from the water outlet 102.

[0045] The present invention arranges the movable group 2 in the housing group 1, and arranges a first flow passage having the flow port 103 and a second flow passage having the flow port 104 inside and outside the movable group 2, respectively. A temperature-sensitive spring 23 is arranged in the first flow passage to push the inner movable sleeve 24 to close or move away from the flow port 103, and the lifting group 3 is inserted into or away from the movable group 2 to allow the movable group 2 to limit and close the flow port 104 or to allow the movable group 2 to move downward and open the flow port 104. The temperature sensing of the temperature-sensitive spring 23 is used to realize these two flow modes, so that the user can prevent Turning on the switch at high temperature in an unknown situation may cause burns, and the user can get hot water when he needs high-temperature water; the lifting rod 31 is inserted into the limit platform to prevent the movable main body unit from moving downward, and the lifting rod 31 is pulled to the side away from the upper shell 11 so that the lifting rod 31 is no longer inserted into the limit platform, and the movable main body unit can move downward under the action of water pressure, thereby closing or allowing the second flow channel to flow, which is simple and convenient to operate, and is intentional and artificial, and will not cause erroneous operation like button-type operation, so it is safe and reliable; the temperature sensing spring 23 is made of memory alloy material, so that the performance of the anti-scalding component is stable.

[0046] The above description shows and describes the preferred embodiments of the present invention. As mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the invention concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A scalding prevention component, characterized in that: It comprises a shell group having an inner cavity, a movable group arranged in the inner cavity, and a pulling group arranged on the side wall of the shell group and abutting against the movable group; A flow port that can be closed or opened is formed between the movable group and the inner cavity; the movable group includes a flow port, a temperature-sensitive spring, and an inner movable sleeve arranged between the flow port and the temperature-sensitive spring; the temperature-sensitive spring is affected by temperature to move the inner movable sleeve upward to move away from the flow port to form a first flow passage, or to move the inner movable sleeve downward to fit the flow port to block the first flow passage; The lifting group restricts the movable group from moving downward to block the flow port; the lifting group pulls the movable group away from the housing group, and the movable group moves downward under the action of water pressure to open the flow port to form a second flow passage; The shell assembly comprises an upper shell, a lower shell, and a lower shell connecting the upper shell and the lower shell, an inner shell unit penetrating the top of the upper shell is arranged inside the upper shell, the inner cavity passes through the inner shell unit, the lower shell and the lower shell, and a first sealing gasket is arranged between the inner shell unit and the lower shell; a water inlet is arranged at the upper end of the inner shell unit, and a water outlet is arranged at the lower end of the lower shell; The inner shell unit comprises an inner lower shell, an inner upper shell fixed on the inner lower shell, and a rotary joint sleeved on the inner upper shell, a first sealing ring is arranged between the inner upper shell and the rotary joint; the water inlet is arranged on the inner side wall of the rotary joint, and the inner side wall of the water inlet has an internal thread; the inner lower shell and the lower sleeve shell are sealed and fitted through the first sealing gasket; The movable group includes an upper movable body and a lower movable body fixedly connected to each other, 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 inner upper shell and the upper movable body form the flow port. The upper movable body and the lower movable body form a movable body unit that can be movably inserted into the flow port. When the movable body unit is inserted into the inner upper shell, the second sealing ring closes the flow port. The temperature-sensitive spring is made of memory alloy material.

2. The anti-scalding component according to claim 1, characterized in that: The movable body unit has a flow cavity, and the flow cavity is provided with the flow port on the lower end surface of the lower movable body. The flow cavity is provided with a guide column at one end close to the upper movable body, and the guide column extends to the flow port. The guide column is sequentially sleeved with the temperature-sensitive spring, the inner movable sleeve, and the first spring from top to bottom; the temperature-sensitive spring is extended and moved downward by the temperature so that the inner movable sleeve compresses the first spring, so that the inner movable sleeve closes the flow port; or the temperature-sensitive spring is contracted by the temperature so that the first spring is extended and pushes the inner movable sleeve upward and away from the flow port.

3. The anti-scalding component according to claim 2, characterized in that: A second sealing gasket is also arranged between the inner movable sleeve and the first spring, and the second sealing gasket is used to ensure the sealing cooperation between the inner movable sleeve and the flow opening to close the flow opening.

4. The anti-scalding component according to claim 1, characterized in that: A lifting joint is protruded on the side wall of the upper outer shell, and a first through hole penetrating the side wall of the upper outer shell is provided on the lifting joint. A second through hole penetrating the first through hole is provided on the side wall of the inner lower shell, and the lifting group passes through the first through hole and the second through hole to limit the downward movement of the movable group; an external thread is provided on the outer side wall of the lifting joint.

5. The anti-scalding component according to claim 4, characterized in that: The lifting group includes a lifting rod passing through the first through hole and the second through hole, a third spring sleeved on the lifting rod, and a screw cover sleeved on one end of the lifting rod away from the upper shell, the screw cover is threadedly connected to the external thread to confine the third spring in the first through hole, and the lifting rod is accommodated in one end of the second through hole and sleeved with a third sealing ring, and the third sealing ring is used to seal the lifting rod and the second through hole.

6. The anti-scalding component according to claim 5, characterized in that: A limiting platform corresponding to the lifting rod is arranged on a side wall of the lower movable body close to one end of the lifting rod, and the lifting rod is movably arranged below the limiting platform.

7. The anti-scalding component according to claim 1, characterized in that: The lower outer shell is sleeved on the lower casing, a third sealing gasket is arranged between the lower surface of the lower casing and the lower outer shell, and a hydroelectric generator is arranged in the inner cavity at one end of the lower casing.

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