Instant heating body structure of electric heating tube

Abstract

The utility model discloses an instant heating body structure of an electric heating tube, which comprises a sleeve and the electric heating tube arranged in the sleeve, tongue pieces are arranged at the upper end and the lower end of the sleeve, a grounding terminal piece is fixed at the lower end of the sleeve, the lower end of the sleeve is connected with a water inlet end cover, and meanwhile, a water outlet end cover is arranged at the upper end of the sleeve. The upper end of the electric heating tube is connected with a water outlet end cover, an electric heating tube mounting hole is formed in the middle of the water outlet end cover, a steam cavity is formed in one side of the upper portion of the water outlet end cover, a water outlet temperature sensor mounting hole is formed in the steam cavity, a water outlet temperature sensor is mounted in the water outlet temperature sensor mounting hole, and one side of the steam cavity communicates with a water outlet. The steam containing cavity is formed in the water outlet end cover, water with non-uniform temperature can be fully mixed in the steam containing cavity, the problem that water with different temperatures is retained at the water outlet in the prior art can be solved, when high-temperature water is discharged, the steam containing cavity can play a role in relieving steam, and better experience is brought to a user.

Description

Technical Field

[0001] This utility model relates to the field of electric heater element technology, specifically to an instant heating element structure for an electric heating tube. Background Technology

[0002] Most existing instant heating tubular heating elements are wound wire heating elements, quartz tubes, or thick film heating elements. The water temperature is higher when it is close to the heating tube wall, while the water temperature is lower when it is farther away from the heating tube wall. In addition, when the water flows to the outlet, some water will stagnate at the outlet end of the sleeve, resulting in uneven water temperature. Usually, solving this problem requires placing a flow channel inside the tube, which leads to high cost and complicated assembly. To address the above problems, a heating element structure for an electric heating tube that can generate heat is proposed. Utility Model Content

[0003] The purpose of this utility model is to provide an instant heating element structure for an electric heating tube, in order to solve the problems mentioned in the background art. Most of the existing instant heating tubular heating elements are wound wire heating elements, quartz tubes or thick film heating elements. The water temperature is higher when it is close to the wall of the electric heating tube, while the water temperature is lower when it is farther away from the wall of the electric heating tube. Moreover, when the water flows to the outlet, some water will stagnate at the outlet end of the sleeve, resulting in uneven water temperature. Usually, solving this problem requires placing a flow channel inside the tube, which leads to high cost and complicated assembly.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an instant heating element structure for an electric heating tube, comprising a sleeve and an electric heating tube disposed inside the sleeve. Both the upper and lower ends of the sleeve are provided with tongues. A grounding terminal piece is fixed to the lower end of the sleeve, and a water inlet cap is connected to the lower end of the sleeve. Simultaneously, a water outlet cap is installed at the upper end of the sleeve. The upper end of the electric heating tube is connected to the water outlet cap. An electric heating tube mounting hole is opened in the middle of the water outlet cap. A steam chamber is provided on one side of the upper part of the water outlet cap, and a water outlet temperature sensor mounting hole is opened on the steam chamber. A water outlet temperature sensor is installed in the water outlet temperature sensor mounting hole. A water outlet is connected to one side of the steam chamber.

[0005] Preferably, one side of the water inlet end cap is connected to a water inlet, and the lower part of the water inlet end cap is provided with a water inlet temperature sensor mounting hole, and a water inlet temperature sensor is installed in the water inlet temperature sensor mounting hole.

[0006] Preferably, the outlet water temperature sensor is fixed in the outlet water temperature sensor mounting hole by bolts, and the inlet water temperature sensor is fixed in the inlet water temperature sensor mounting hole by bolts.

[0007] Preferably, a sealing sleeve is provided above the heating element, and the heating element is placed in the heating element mounting hole through the sealing sleeve.

[0008] Preferably, a sealing ring is fitted on the lower part of the water outlet end cap and the upper part of the water inlet end cap, and a fixing hole corresponding to the tongue is opened on the sealing ring, the water inlet end cap and the water outlet end cap.

[0009] Preferably, the sealing ring is made of silicone.

[0010] Preferably, the tongue at the upper part of the sleeve passes through the fixing holes of the sealing ring and the water outlet end cap, and the tongue at the lower part of the sleeve passes through the fixing holes of the sealing ring and the water inlet end cap.

[0011] Preferably, the tongue is bendable.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the water outlet cap is provided with a steam chamber, which allows water with uneven temperature to be fully mixed in the steam chamber, which can solve the problem of water of different temperatures remaining at the water outlet in the prior art. When high-temperature water is dispensed, the steam chamber can play a role in relieving steam. The electric heating element is inexpensive and stable, and can also replace the space of the flow channel when placed in the tube sleeve, which can effectively improve the application range of the heating element and bring a better experience to users. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the overall exploded structure of this utility model;

[0015] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0016] Figure 4 This is a three-dimensional structural diagram of the water outlet cap of this utility model;

[0017] Figure 5 This is a schematic cross-sectional view of the water outlet cap of this utility model;

[0018] Figure 6 This is a three-dimensional structural diagram of the water inlet end cap of this utility model;

[0019] Figure 7 This is a schematic cross-sectional view of the water inlet end cap of this utility model;

[0020] Figure 8 This utility model Figure 3 Enlarged schematic diagram of the structure at point A in the diagram;

[0021] Figure 9 This is a schematic diagram of the existing technology structure.

[0022] In the diagram: 1. Sleeve; 101. Grounding terminal piece; 102. Tongue piece; 2. Heating element; 3. Water inlet cap; 301. Water inlet; 302. Water inlet temperature sensor mounting hole; 4. Water outlet temperature sensor; 5. Water outlet cap; 501. Steam chamber; 502. Water outlet; 503. Heating element mounting hole; 504. Water outlet temperature sensor mounting hole; 6. Water inlet temperature sensor; 7. Sealing ring; 8. Sealing sleeve; 9. Fixing hole. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-9 This utility model provides a technical solution: an instant heating element structure for an electric heating tube, including a sleeve 1 and an electric heating tube 2 disposed inside the sleeve 1. The sleeve 1 is made of stainless steel, and both the upper and lower ends of the sleeve 1 are provided with tongues 102, which are integrally formed with the sleeve 1. The tongues 102 are used to fix the inlet cap 3 and the outlet cap 5 to the sleeve 1. A grounding terminal piece 101 is fixed to the lower end of the sleeve 1, which is integrally formed with the sleeve 1. The grounding terminal piece 101 is provided to prevent electric shock, and the lower end of the sleeve 1 is connected to the inlet cap 3. The sleeve 1 also... The upper end is equipped with a water outlet cap 5, and the upper end of the electric heating tube 2 is connected to the water outlet cap 5. The water outlet cap 5 has an electric heating tube mounting hole 503 in the middle. A steam chamber 501 is provided on one side of the upper part of the water outlet cap 5. Water of different temperatures is mixed in the steam chamber 501. The steam chamber 501 can also be used to store water vapor. A water outlet temperature sensor mounting hole 504 is provided on the steam chamber 501. At the same time, a water outlet temperature sensor 4 is installed in the water outlet temperature sensor mounting hole 504. A water outlet 502 is connected to one side of the steam chamber 501, which facilitates the discharge of hot water from the sleeve 1.

[0025] In this example, the water inlet end cap 3 has a water inlet 301 connected to one side, which facilitates water entering the sleeve 1. The water inlet end cap 3 has a water inlet temperature sensor mounting hole 302 at the bottom, and a water inlet temperature sensor 6 is installed in the water inlet temperature sensor mounting hole 302.

[0026] In this example, the outlet water temperature sensor 4 is fixed in the outlet water temperature sensor mounting hole 504 by bolts, and the inlet water temperature sensor 6 is fixed in the inlet water temperature sensor mounting hole 302 by bolts, which facilitates the disassembly and installation of the outlet water temperature sensor 4 and the inlet water temperature sensor 6.

[0027] In this example, a sealing sleeve 8 is provided above the heating element 2, and the heating element 2 is placed in the heating element mounting hole 503 through the sealing sleeve 8. The upper end of the heating element 2 is tightly fitted to the heating element mounting hole 503 through the sealing sleeve 8. The sealing sleeve 8 can effectively protect the internal structure of the heating element 2. The sealing sleeve 8, together with the grounding terminal piece 101, can form double protection to further ensure electrical safety.

[0028] In this example, the lower part of the outlet cap 5 and the upper part of the inlet cap 3 are both fitted with sealing rings 7, and the sealing rings 7, the inlet cap 3 and the outlet cap 5 are all provided with fixing holes 9 corresponding to the tongue 102. The sealing rings 7 facilitate the tight fit between the inlet cap 3 and the outlet cap 5 and the sleeve 1. The fixing holes 9 are provided so that the tongue 102 can pass through and fix the inlet cap 3 and the outlet cap 5 to the sleeve 1.

[0029] In this example, the sealing ring 7 is made of silicone. Silicone has excellent wear resistance and elasticity, making it easy to fit on the lower part of the outlet cap 5 and the upper part of the inlet cap 3.

[0030] In this example, the tongue 102 at the upper part of the sleeve 1 passes through the sealing ring 7 and the fixing hole 9 of the water outlet cap 5, and the tongue 102 at the lower part of the sleeve 1 passes through the sealing ring 7 and the fixing hole 9 of the water inlet cap 3.

[0031] In this example, the tongue 102 is bendable and is used to fix the inlet cap 3 and the outlet cap 5 to the sleeve 1, so as to facilitate the fixing of the sealing ring 7, the outlet cap 5 and the inlet cap 3 to the sleeve 1.

[0032] Working principle: During assembly, first align the fixing hole 9 on the sealing ring 7 with the tongue 102 at the lower end of the sleeve 1, and install the sealing ring 7 along the tongue 102 at the lower end of the sleeve 1. Then align the fixing hole 9 on the water inlet cap 3 with the tongue 102 at the lower end of the sleeve 1, and install the water inlet cap 3 along the tongue 102 in the sealing ring 7. Then rivet and bend the tongue 102 at the lower end of the sleeve 1 inward to fix the water inlet cap 3 and the sealing ring 7 at the lower end of the sleeve 1. Finally, use bolts to fix the water inlet temperature sensor 6 below the water inlet cap 3.

[0033] Next, place another sealing ring 7 on the lower part of the outlet cap 5, align the fixing hole 9 on the sealing ring 7 with the fixing hole 9 on the outlet cap 5, and then install the sealing sleeve 8 onto the upper end of the heating tube 2. Then, install the upper end of the heating tube 2 with the sealing sleeve 8 into the heating tube mounting hole 503. The sealing sleeve 8 ensures that the upper end of the heating tube 2 is tightly installed in the heating tube mounting hole 503. Then, place the heating tube 2 into the sleeve 1. During the process of placing the heating tube 2 into the sleeve 1, rotate the outlet cap 5 so that the outlet end... The fixing hole 9 on the cover 5 corresponds to the position of the tongue 102 at the upper end of the sleeve 1. The water outlet cover 5 and the sealing ring 7 are installed on the upper end of the sleeve 1 along the tongue 102. Finally, the tongue 102 at the upper end of the sleeve 1 is riveted and bent inward so that the water outlet cover 5 and the other sealing ring 7 fitted on the water outlet cover 5 are fixed on the upper end of the sleeve 1. Then, the water outlet temperature sensor 4 is installed in the water outlet temperature sensor mounting hole 504. Finally, the water outlet temperature sensor 4 is fixed on the steam chamber 501 with bolts.

[0034] When using the instant heating element structure of this electric heating tube, water is put into the sleeve 1 through the water inlet 301 on the water inlet end cap 3. After the power is turned on, the water in the sleeve begins to heat up. The water temperature is higher when it is close to the electric heating tube 2 and lower when it is farther away from the electric heating tube 2. When the high-temperature water is discharged, the steam chamber can play a role in relieving the steam. When the water is discharged, the water with uneven temperature enters the steam chamber 501 through the water outlet end cap 5 to mix and make the water temperature uniform. At this time, the water with uniform temperature enters the water outlet 502, and finally the water flows out from the water outlet 502.

[0035] This completes the entire work, and anything not described in detail in this specification is prior art known to those skilled in the art.

[0036] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0037] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An instant heating heater structure of an electrothermal tube, comprising a sleeve (1) and an electrothermal tube (2) arranged inside the sleeve (1), characterized in that: The sleeve (1) is provided with a tongue (102) at its upper and lower ends, the lower end of the sleeve (1) is fixed with a grounding terminal sheet (101), the lower end of the sleeve (1) is connected with a water inlet end cover (3), the upper end of the sleeve (1) is installed with a water outlet end cover (5), the upper end of the electric heating tube (2) is connected with the water outlet end cover (5), the middle part of the water outlet end cover (5) is provided with an electric heating tube mounting hole (503), one side of the upper part of the water outlet end cover (5) is provided with a steam cavity (501), the steam cavity (501) is provided with a water outlet temperature sensor mounting hole (504), the water outlet temperature sensor mounting hole (504) is installed with a water outlet temperature sensor (4), and one side of the steam cavity (501) is communicated with a water outlet (502).

2. The instant heating heater structure of the electric heat pipe according to claim 1, characterized in that: One side of the water inlet end cover (3) is communicated with a water inlet (301), the lower part of the water inlet end cover (3) is provided with a water inlet temperature sensor mounting hole (302), and the water inlet temperature sensor mounting hole (302) is installed with a water inlet temperature sensor (6).

3. The instant heating heater structure of the electric heat pipe according to claim 2, characterized in that: The water outlet temperature sensor (4) is fixed in the water outlet temperature sensor mounting hole (504) through bolts, and the water inlet temperature sensor (6) is fixed in the water inlet temperature sensor mounting hole (302) through bolts.

4. The instant heating heater structure of the electric heat pipe according to claim 3, characterized in that: The upper part of the electric heating tube (2) is provided with a sealing sleeve (8), and the electric heating tube (2) is arranged in the electric heating tube mounting hole (503) through the sealing sleeve (8).

5. The instant heating heater structure of the electric heat pipe according to claim 1, characterized in that: The lower part of the water outlet end cover (5) and the upper part of the water inlet end cover (3) are both provided with a sealing ring (7), and the sealing ring (7), the water inlet end cover (3) and the water outlet end cover (5) are all provided with a fixing hole (9) corresponding to the tongue (102).

6. The instant heating heater structure of the electric heat pipe according to claim 5, characterized in that: The sealing ring (7) is made of silica gel.

7. The instant heating heater structure of the electric heat pipe according to claim 5, characterized in that: The tongue (102) at the upper part of the sleeve (1) penetrates into the fixing hole (9) of the sealing ring (7) and the water outlet end cover (5), and the tongue (102) at the lower part of the sleeve (1) penetrates into the fixing hole (9) of the sealing ring (7) and the water inlet end cover (3).

8. The instant heating heater structure of the electric heat pipe according to claim 7, characterized in that: The tongue (102) can be bent.

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