Water tank structure and water heater

Abstract

The water tank structure comprises an inner container, a shell, an electric heating module, a water temperature detection module, an electric appliance box, an elastic sealing ring and a box cover, a through hole is formed in the shell in a penetrating mode, the electric appliance box is arranged at the position of the through hole, and a containing cavity of the electric appliance box is located between the inner container and the shell. A first through groove and a second through groove are formed in the bottom end, close to the inner container, of the containing cavity in a penetrating mode, the water temperature detection module is arranged on the peripheral wall of the inner container and opposite to the first through groove, the mounting end of the electric heating module is arranged on the peripheral wall of the inner container and opposite to the second through groove, and the box cover is located on the peripheral wall of the shell and covers the through hole. And the elastic sealing ring is propped between the box cover and the shell. According to the water tank structure, the electric heating module and the water temperature detection module are integrated in the electric appliance box, the sealing performance is improved, meanwhile, the number of parts of the sealing structure can be reduced, and therefore the production cost is reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water heater technical field especially is related to a water tank structure and have water heater of this water tank structure. BACKGROUND

[0002] In order to make user can use the temperature comfortable hot water at any time, at present all kinds of water heater are provided with electric heating module and water temperature detection module, and the water temperature detection module is used to detect the real-time water temperature in the water tank of the water heater, and according to the real-time water temperature detected by the water temperature detection module, the electric heating module is opened or closed, and when the electric heating module is opened and runs, the water in the water tank can be heated.

[0003] The existing water heater sets the electric heating module and the water temperature detection module at different positions of the water tank, that is, the temperature sensing probe of the water temperature detection module is fixed on the temperature measuring position of the inner container of the water tank, and the first through hole corresponding to the temperature measuring position is formed in the shell of the water tank, and then the sealing cover is buckled on the first through hole of the shell to prevent rainwater and the like from entering between the shell and the inner container and the water temperature detection module, and the electric heating module is fixed on the mounting position of the inner container of the water tank, and the second through hole corresponding to the mounting position is formed in the shell of the water tank, and the electric heating head of the electric heating module is inserted into the inner container to heat the water, and in order to prevent rainwater and the like from entering between the shell and the inner container and the electric element of the electric heating module, the cover body and the sealing ring are buckled on the second through hole of the shell.

[0004] However, since the existing water heater sets the electric heating module and the water temperature detection module at different positions of the water tank, the related sealing structures of the electric heating module and the water temperature detection module need to be separately set, which increases the number of related parts and increases the complexity of the production and assembly process, thereby increasing the production cost and affecting the production efficiency. UTILITY MODEL CONTENTS

[0005] The first object of the utility model is to provide a water tank structure integrating the electric heating module and the water temperature detection module into an electric appliance box, which can reduce the number of parts of the sealing structure while improving the sealing performance, thereby reducing the production cost and improving the production efficiency.

[0006] The second object of the utility model is to provide a water heater with the above-mentioned water tank structure.

[0007] In order to realize the first purpose of the utility model, the utility model provides a water tank structure, including inner bag, shell, electric heating module, water temperature detection module, electric appliance box, elastic sealing ring and box cover, the inner bag is located in the inside of the shell, the shell is provided with through hole, the electric appliance box is arranged at the through hole, and the containing cavity of the electric appliance box is located between the inner bag and the shell, the cavity bottom end of the containing cavity is provided with first through slot and second through slot, the water temperature detection module is arranged on the outer peripheral wall of the inner bag and is arranged opposite to the first through slot, the mounting end of the electric heating module is arranged on the outer peripheral wall of the inner bag and is arranged opposite to the second through slot, and the electric heating head of the electric heating module is inserted into the inner bag, the containing cavity is provided with electric element, the electric heating module and the water temperature detection module are electrically connected with the electric element, the box cover is located on the outer peripheral wall of the shell and covers at the through hole, and the elastic sealing ring is abutted between the box cover and the shell.

[0008] From the above scheme, the water temperature detection module of the utility model water tank structure is arranged on the outer peripheral wall of the inner bag and is arranged opposite to the first through slot of the electric appliance box, the mounting end of the electric heating module is arranged on the outer peripheral wall of the inner bag and is arranged opposite to the second through slot of the electric appliance box, the electric appliance box is arranged at the through hole of the shell, the box cover is located on the outer peripheral wall of the shell and covers at the through hole of the shell, and the elastic sealing ring is abutted between the box cover and the shell, thereby sealing the through hole of the electric appliance box and the shell, so as to seal the electric heating module and the water temperature detection module simultaneously. Relative to the existing water heater, the electric heating module and the water temperature detection module are arranged at different positions of the water tank, which increases the number of parts of the related sealing structure, the utility model water tank structure integrates the electric heating module and the water temperature detection module into the electric appliance box, so that the electric heating module and the water temperature detection module are hiddenly integrated between the electric appliance box and the inner bag, which improves the sealing performance, reduces the number of parts of the sealing structure, reduces the production cost, and improves the production efficiency.

[0009] One preferred scheme is that the water tank structure further comprises a shielding cover, the shielding cover is located in the containing cavity and covers at the first through slot.

[0010] Further scheme is that the cavity bottom end of the containing cavity is provided with a first buckle protruding towards the box cover, the first protruding buckle is hooked on the end face of the shielding cover close to the box cover, and the shielding cover is provided with a baffle protruding, the baffle is abutted on the outer end face of the cavity bottom end of the containing cavity close to the box cover.

[0011] Further scheme is that the inner end face of the cavity bottom end of the containing cavity away from the box cover is provided with an insertion plate protruding periphery, the insertion plate is located on the inner end face of the cavity bottom end of the containing cavity; and / or, the cavity bottom end of the containing cavity away from the box cover is provided with a positioning plate protruding, the positioning plate is inserted into the first through slot and is arranged close to the periphery of the first through slot.

[0012] Further, the elastic sealing ring is provided with a ring groove in the concave of the inner end surface of the shell, and the ring groove extends in a closed loop in the circumferential direction of the elastic sealing ring; and / or, the elastic sealing ring is provided with a turned-up edge ring eave away from the outer end surface of the shell, and the turned-up edge ring eave and the outer end surface of the elastic sealing ring form a ring cavity, and the outer circumferential ring plate of the box cover is inserted into the ring cavity.

[0013] Further, the shell is provided with a support ring wall protruding towards the box cover around the periphery of the through hole, the electric appliance box is provided with a circumferential plate protruding from the circumferential wall of the electric appliance box at the open end of the containing cavity, the circumferential plate is located at the upper end of the support ring wall close to the box cover, and the circumferential wall of the electric appliance box is provided with a second buckle, and the second hook of the second buckle is hooked on the inner circumferential wall of the shell.

[0014] Further, the electric appliance box is provided with a U-shaped wire buckle, and at least one electric wire arranged on the electric appliance box is clamped and fixed by the U-shaped wire buckle.

[0015] Further, the water tank structure further comprises a fixing clamp, the fixing clamp comprises a clamping piece and two mounting plates, the two mounting plates are connected to two ends of the clamping piece respectively, the clamping groove of the clamping piece clamps and presses the water temperature detection module on the outer circumferential wall of the inner container, each mounting plate is provided with a mounting hole, the outer circumferential wall of the inner container is provided with two threaded studs, one mounting hole is sleeved on one threaded stud, and a bolt is threadedly connected with the threaded stud and abuts against the outer end surface of the mounting plate away from the inner container.

[0016] Further, the mounting hole is a waist-shaped hole; and / or, the mounting plate is connected to one end of the clamping piece through a connecting plate, and the connecting plate abuts against the outer circumferential wall of the inner container; and / or, the mounting plate is provided with a support plate away from one end of the clamping piece, and the support plate abuts against the outer circumferential wall of the inner container.

[0017] In order to achieve the second purpose of the utility model, the utility model provides a water heater, which comprises a water tank structure, and the water tank structure is the above-mentioned water tank structure. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is an exploded view of the water tank structure embodiment of the utility model.

[0019] Figure 2 is a first local structure view of the water tank structure embodiment of the utility model.

[0020] Figure 3 is a sectional view of the water tank structure embodiment of the utility model.

[0021] Figure 4 is Figure 3 is an enlarged view at A.

[0022] Figure 5 is Figure 3 is an enlarged view at B.

[0023] Figure 6 is the structure diagram of the fixed clamp in the water tank structure embodiment of the utility model.

[0024] Figure 7 is the second partial structure diagram of the water tank structure embodiment of the utility model.

[0025] Figure 8 is the third partial structure diagram of the water tank structure embodiment of the utility model.

[0026] Figure 9 is the structure diagram of the electric appliance box in the water tank structure embodiment of the utility model.

[0027] Figure 10 is the side view of the electric appliance box in the water tank structure embodiment of the utility model.

[0028] Figure 11 is the side view of the shielding cover in the water tank structure embodiment of the utility model.

[0029] Figure 12 is the structure diagram of the shielding cover in the water tank structure embodiment of the utility model.

[0030] The utility model is further described below in combination with the drawings and embodiments. DETAILED DESCRIPTION

[0031] Referring to Figures 1 to 12 , the embodiment discloses a water tank structure 10, which comprises an inner container 12, an outer shell 11, an electric heating module 13, a water temperature detection module 19, an electric appliance box 14, an elastic sealing ring 17 and a box cover 18, and the inner container 12 is located inside the outer shell 11. Wherein, the outer shell 11 of the embodiment is provided with a through hole 111, the electric appliance box 14 is arranged at the through hole 111, and the accommodating cavity 141 of the electric appliance box 14 is located between the inner container 12 and the outer shell 11, the first through slot 143 and the second through slot 144 are arranged at the cavity bottom end 1411 of the inner container 12, the water temperature detection module 19 is arranged on the outer circumferential wall of the inner container 12 and is arranged opposite to the first through slot 143, the mounting end of the electric heating module 13 is arranged on the outer circumferential wall of the inner container 12 and is arranged opposite to the second through slot 144, and the electric heating head of the electric heating module 13 extends into the inner container 12. And, the electric appliance element (not marked) is arranged in the accommodating cavity 141, the electric heating module 13 and the water temperature detection module 19 are electrically connected with the electric appliance element respectively, the box cover 18 is arranged on the outer circumferential wall of the outer shell 11 and covers the through hole 111, and the elastic sealing ring 17 is abutted between the box cover 18 and the outer shell 11.

[0032] The water temperature detection module 19 of the water tank structure 10 of the embodiment is arranged on the outer circumferential wall of the inner container 12 and is arranged opposite to the first through slot 143 of the electric appliance box 14, the mounting end of the electric heating module 13 is arranged on the outer circumferential wall of the inner container 12 and is arranged opposite to the second through slot 144 of the electric appliance box 14, the electric appliance box 14 is arranged at the through hole 111 of the outer shell 11, the box cover 18 is located on the outer circumferential wall of the outer shell 11 and covers the through hole 111 of the outer shell 11, and the elastic sealing ring 17 is abutted between the box cover 18 and the outer shell 11, so as to seal the electric appliance box 14 and the through hole 111 of the outer shell 11, so as to seal the electric heating module 13 and the water temperature detection module 19 at the same time. Compared with the existing water heater, the electric heating module and the water temperature detection module are arranged at different positions of the water tank, which increases the number of parts of the related sealing structure. The water tank structure 10 of the embodiment integrates the electric heating module 13 and the water temperature detection module 19 into the electric appliance box 14, so that the electric heating module 13 and the water temperature detection module 19 are hidden and integrated between the electric appliance box 14 and the inner container 12, which improves the sealing performance, reduces the number of parts of the sealing structure, reduces the production cost, and improves the production efficiency.

[0033] In order to further improve the sealing performance, the water tank structure 10 of the embodiment further comprises a shielding cover 15, which is located in the containing cavity 141 and covers the first through slot 143, so as to further shield and seal the water temperature detection module 19 arranged opposite to the first through slot 143 of the electric appliance box 14.

[0034] Specifically, the cavity bottom end 1411 of the containing cavity 141 is protrudingly provided with a first buckle 142 towards the box cover 18, the first protruding buckle is hooked on the end face of the shielding cover 15 close to the box cover 18, and the shielding cover 15 is protrudingly provided with a baffle 151, which is abutted on the outer end face of the cavity bottom end 1411 of the containing cavity 141 close to the box cover 18, so that the shielding cover 15 is stably covered at the first through slot 143 of the electric appliance box 14. In order to further improve the assembly stability, the inner end face of the cavity bottom end 1411 of the containing cavity 141 is protrudingly provided with an insertion plate 152 around the box cover 18, which is located on the inner end face of the cavity bottom end 1411 of the containing cavity 141. Further, the cavity bottom end 1411 of the containing cavity 141 is protrudingly provided with a positioning plate 153 away from the box cover 18, which is inserted into the first through slot 143 and is arranged close to the periphery of the first through slot 143, so as to position the shielding cover 15 when assembling the shielding cover 15.

[0035] In order to further improve the sealing performance, the elastic sealing ring 17 is provided with a turned-up ring eave 171 away from the outer end face of the shell 11, and the turned-up ring eave 171 and the outer end face of the elastic sealing ring 17 form a ring cavity 172, and the outer circumferential ring plate 181 of the box cover 18 is inserted into the ring cavity 172. Specifically, the elastic sealing ring 17 is provided with a ring groove 173 adjacent to the inner end face of the shell 11, and the ring groove 173 extends in a closed loop in the circumferential direction of the elastic sealing ring 17, thereby improving the elastic deformation capability of the elastic sealing ring 17, and further enabling the elastic sealing ring 17 to be effectively elastically deformed and pressed between the box cover 18 and the shell 11, thereby achieving a tight abutting and sealing effect.

[0036] In order to stably arrange the electric appliance box 14 at the through hole 111 of the shell 11, the shell 11 is provided with a support ring wall 112 protruding towards the box cover 18 around the periphery of the through hole 111, the electric appliance box 14 is provided with a circumferential plate 143 protruding from the circumferential wall of the accommodation cavity 141, the circumferential plate 143 is located at the upper end of the support ring wall 112 close to the box cover 18, and the circumferential wall of the electric appliance box 14 is provided with a second buckle 145, and the second protruding buckle is hooked on the inner circumferential wall of the shell 11.

[0037] Further, the water tank structure 10 of the embodiment further comprises a fixing clamp 16, the fixing clamp 16 comprises a clamping clamp 161 and two mounting plates 163, the two mounting plates 163 are respectively connected to the two ends of the clamping clamp 161, the clamping groove 162 of the clamping clamp 161 clamps and presses the water temperature detection module 19 on the outer circumferential wall of the inner container 12, and each mounting plate 163 is provided with a mounting hole 164, the outer circumferential wall of the inner container 12 is provided with two threaded studs 110, one mounting hole 164 is sleeved on one threaded stud 110, and the threaded bolt 113 is threadedly connected with the threaded stud 110 and is pressed on the outer end face of the mounting plate 163 away from the inner container 12, so that the clamping groove 162 of the clamping clamp 161 of the fixing clamp 16 clamps and presses the water temperature detection module 19 on the outer circumferential wall of the inner container 12.

[0038] In order to facilitate the mounting hole 164 of the mounting plate 163 to be quickly and smoothly sleeved on the stud 110 on the outer peripheral wall of the inner container 12, the mounting hole 164 of the embodiment is a waist-shaped hole. Specifically, the mounting plate 163 of the embodiment is connected with one end of the clamping clip 161 through the connecting plate 165, the connecting plate 165 abuts against the outer peripheral wall of the inner container 12, so that the one end of the clamping clip 161 and the mounting plate 163 are connected through the connecting plate 165, which is smooth transition connection, facilitating the pressure of the mounting plate 163 pressed by the bolt 113 to be transmitted to the clamping clip 161 and converted into the elastic force of the clamping clip 161, so that the clamping groove 162 of the clamping clip 161 clamps and presses the water temperature detection module 19 on the outer peripheral wall of the inner container 12. Further, the mounting plate 163 of the embodiment is provided with the supporting plate 166 away from one end of the clamping clip 161, the supporting plate 166 abuts against the outer peripheral wall of the inner container 12, avoiding the mounting plate 163 from being warped, thereby improving the assembly stability and reliability.

[0039] In order to arrange the wiring, the electric appliance box 14 of the embodiment is provided with the U-shaped wire buckle 146, and at least one wire arranged on the electric appliance box 14 is clamped and fixed by the U-shaped wire buckle 146. Specifically, the wire 191 of the water temperature detection module 19 of the embodiment is clamped and fixed by the U-shaped wire buckle 146, thereby constraining and fixing the wire 191 of the water temperature detection module 19.

[0040] The above embodiment is only a preferred example of the present application, and does not limit the scope of the present application, so equivalent changes or modifications made according to the structure, features and principles of the present application patent application scope should be included in the scope of the present application patent application.

Claims

1. A water tank structure comprising an inner container and an outer shell, the inner container being located inside the outer shell, characterized in that: the water tank structure further comprises an electric heating module, a water temperature detection module, an electric appliance box, an elastic sealing ring and a box cover, the outer shell is provided with a through hole, the electric appliance box is arranged at the through hole, and a containing cavity of the electric appliance box is located between the inner container and the outer shell, the containing cavity is provided with a first through slot and a second through slot at a cavity bottom end of the containing cavity, the water temperature detection module is arranged on an outer peripheral wall of the inner container and is arranged opposite to the first through slot, and a mounting end of the electric heating module is arranged on the outer peripheral wall of the inner container and is arranged opposite to the second through slot, and an electric heating head of the electric heating module extends into the inner container; electric appliance elements are arranged in the containing cavity, the electric heating module and the water temperature detection module are electrically connected with the electric appliance elements respectively, the box cover is located on an outer peripheral wall of the outer shell and covers the through hole, and the elastic sealing ring is abutted between the box cover and the outer shell.

2. The water tank structure according to claim 1, characterized in that: the water tank structure further comprises a shielding cover, and the shielding cover is located in the containing cavity and covers the first through slot.

3. The water tank structure according to claim 2, characterized in that: a first buckle is protrusively arranged at the cavity bottom end of the containing cavity and faces the box cover, a first protruding buckle of the first buckle is hooked on an end face of the shielding cover close to the box cover, and the shielding cover is protrusively provided with a baffle, and the baffle is abutted on an outer end face of the cavity bottom end of the containing cavity close to the box cover.

4. The water tank structure according to claim 3, characterized in that: an insertion plate is protrusively arranged on a periphery of an inner end face of the cavity bottom end of the containing cavity away from the box cover, and the insertion plate is located on the inner end face of the cavity bottom end of the containing cavity; and / or a positioning plate is protrusively arranged at the cavity bottom end of the containing cavity away from the box cover, and the positioning plate is inserted into the first through slot and is arranged close to a periphery of the first through slot.

5. The water tank structure according to claim 1, characterized in that: an annular groove is recessed in an inner end face of the outer shell and adjacent to the elastic sealing ring, and the annular groove extends in a closed loop in a circumferential direction of the elastic sealing ring; and / or a turned-up edge eaves is arranged on an outer end face of the elastic sealing ring away from the outer shell, and an annular cavity is formed between the turned-up edge eaves and the outer end face of the elastic sealing ring, and an outer peripheral ring plate of the box cover is inserted into the annular cavity.

6. The water tank structure according to claim 1, characterized in that: a support ring wall is protrusively arranged on a periphery of the through hole of the outer shell and faces the box cover, a circumferential plate is protrusively arranged on a peripheral wall of the electric appliance box at an open end of the containing cavity, the circumferential plate is located on an upper end of the support ring wall close to the box cover, a second buckle is arranged on the peripheral wall of the electric appliance box, and a second protruding buckle of the second buckle is hooked on an inner peripheral wall of the outer shell.

7. The water tank structure according to claim 1, characterized in that: the electric appliance box is provided with a U-shaped wire buckle, and at least one electric wire arranged on the electric appliance box is clamped and fixed by the U-shaped wire buckle. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 8. The water tank structure according to any one of claims 1 to 7, characterized in that: the water tank structure further comprises a fixing clamp, the fixing clamp comprises a clamping piece and two mounting plates, the two mounting plates are respectively connected to two ends of the clamping piece, a clamping groove of the clamping piece clamps and presses the water temperature detection module on the outer circumferential wall of the inner container, each mounting plate is provided with a mounting hole, the outer circumferential wall of the inner container is provided with two threaded studs, one mounting hole is sleeved on one threaded stud, a bolt is threadedly connected with the threaded stud and abuts against an outer end surface of the mounting plate away from the inner container.

9. The water tank structure according to claim 8, characterized in that: the mounting hole is a waist-shaped hole; and / or, the mounting plate is connected to one end of the clamping piece through a connecting plate, the connecting plate abuts against the outer circumferential wall of the inner container; and / or, the mounting plate is provided with a supporting plate at an end away from the clamping piece, the supporting plate abuts against the outer circumferential wall of the inner container.

10. A water heater comprising a water tank structure, characterized in that: the water tank structure is the water tank structure according to any one of claims 1 to 9.

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