Gas water heater

Abstract

The utility model relates to the technical field of water heaters, in particular to a gas water heater. The gas water heater comprises a body, a first exhaust pipe is arranged at the top of the body, a shell is fixedly installed at the top of the body, the shell is communicated with the first exhaust pipe, a filter element is detachably installed in the shell, a fixing mechanism is arranged on the filter element, and the fixing mechanism is used for installing the filter element on the shell. The gas water heater has the advantage that sundries in the smoke exhaust pipe can be prevented from entering the water heater.

Description

TECHNICAL FIELD

[0001] The utility model relates to water heater technical field especially a kind of gas water heater. BACKGROUND

[0002] With the popularization of gas water heater, the use amount of gas water heater is more and more, and the gas water heater will discharge exhaust gas through the exhaust pipe during working process to ensure the normal operation of the water heater.

[0003] For example, the Chinese utility model patent with publication number CN217423596U discloses a gas water heater, comprising: a heat exchanger having a heat exchange water inlet and a heat exchange water outlet; a water inlet pipe connected to the heat exchange water inlet; a water outlet pipe connected to the heat exchange water outlet; a bypass pipe, both ends of the bypass pipe are in communication with the water inlet pipe and the water outlet pipe; and a regulating valve arranged on the bypass pipe, the regulating valve is used to automatically adjust the water flow in the bypass pipe according to the water pressure. The gas water heater can automatically adjust the water flow in the bypass pipe according to the water pressure, thereby effectively avoiding the corrosion of condensate water on the heat exchanger and affecting the combustion condition, and prolonging the service life of the water heater.

[0004] Further, the Chinese utility model patent with publication number CN212777908U discloses a gas water heater, which belongs to the technical field of water heaters and is used to solve the problem of poor anti-freezing effect of the gas water heater in the prior art. The gas water heater comprises: a shell; a segmented burner installed in the shell and comprising a plurality of combustion units and a gas distribution device, the gas distribution device distributing gas to one or more combustion units; a heat exchanger installed in the shell and located above the segmented burner; an ignition device installed in the shell; a temperature detection device installed in the shell; and a controller electrically connected with the gas distribution device, the temperature detection device and the ignition device, the controller being used to control the gas distribution device to distribute gas to the smallest combustion unit in the segmented burner and control the ignition device to ignite according to the temperature value detected by the temperature detection device.

[0005] However, insects such as cockroaches and ants in residential buildings can easily enter the water heater from the exhaust pipe, and other organic matter such as leaves can also enter the water heater from the exhaust pipe, which can cause the fan and the heat exchanger of the water heater to accumulate debris, resulting in smooth operation of the fan or reduced heat exchange efficiency.

[0006] Therefore, a gas water heater is proposed to solve the above technical problems. UTILITY MODEL CONTENTS

[0007] To solve the above technical problems, the purpose of the utility model is to provide a gas water heater which can avoid the entry of debris in the exhaust pipe into the water heater.

[0008] The utility model discloses a technical scheme that solves the problem is: a gas water heater, include: the body, the top of body is provided with first exhaust pipe, the top of body is fixedly installed with the casing, the casing with first exhaust pipe is linked together, detachable installation has filter core in the casing, be provided with fixed mechanism on filter core, fixed mechanism is used for installing filter core on casing.

[0009] As a further improvement of the above technical solution, the top of the casing is fixedly installed with a second exhaust pipe, and the second exhaust pipe is in communication with the casing.

[0010] As a further improvement of the above technical solution, two recesses are symmetrically formed on the casing, an arc-shaped clamping groove is formed on the inner wall of the recess, the fixed mechanism comprises two insertion rods, the two insertion rods are symmetrically and rotatably installed on the filter core, the insertion rod is detachably connected with the inner wall of the corresponding recess, a clamping block is fixedly installed on the insertion rod, and the clamping block is detachably connected with the inner wall of the corresponding arc-shaped clamping groove.

[0011] As a further improvement of the above technical solution, two rotating holes are symmetrically formed on the filter core, the inner wall of the rotating hole is rotatably connected with the corresponding insertion rod, an arc-shaped limiting groove is formed on the inner wall of the rotating hole, and the fixed mechanism further comprises a limiting block, the limiting block is slidably connected with the inner wall of the corresponding arc-shaped limiting groove.

[0012] As a further improvement of the above technical solution, a sealing gasket is fixedly installed on the casing, the sealing gasket is in contact with the filter core, a long slot is formed on the inner wall of the recess, and the inner wall of the long slot is detachably connected with the corresponding clamping block.

[0013] As a further improvement of the above technical solution, the fixed mechanism further comprises a rotating handle, the rotating handle is fixedly installed at one end of the corresponding insertion rod, a torsion spring is sleeved on the insertion rod, one end of the torsion spring is fixedly connected with the filter core, and the other end of the torsion spring is fixedly connected with the rotating handle.

[0014] The utility model discloses the beneficial effect is: through filter core can obstruct the sundries in the smoke exhaust pipe, protect the fan and heat exchanger, through fixed mechanism, the filter core is installed and disassembled conveniently, is favorable to the replacement or cleaning of filter core. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model discloses the further explanation and description of the specific embodiment of the utility model are as follows.

[0016] Figure 1 It is the structure schematic diagram of preferred embodiment of the utility model;

[0017] Figure 2 As Figure 1 The schematic diagram of the top view and sectional structure is shown in the figure.

[0018] Figure 3 As Figure 2 The schematic diagram of the enlarged structure of part A is shown in the figure.

[0019] Figure 4 As Figure 1 The schematic diagram of the side view and sectional structure is shown in the figure.

[0020] Figure 5 As Figure 4 The schematic diagram of the enlarged structure of part B is shown in the figure.

[0021] Figure 6 The schematic diagram of the explosion structure of the utility model is shown in the figure.

[0022] Figure 7 As Figure 6 The schematic diagram of the enlarged structure of part C is shown in the figure.

[0023] Figure 8 The schematic diagram of the structure of the fixing mechanism in the utility model is shown in the figure.

[0024] In the figure: 1, the main body; 2, the first exhaust pipe; 3, the shell; 4, the filter element; 5, the fixing mechanism; 501, the insertion rod; 502, the clamping block; 503, the handle; 504, the torsion spring; 505, the limiting block; 6, the second exhaust pipe; 7, the groove; 8, the arc-shaped clamping slot; 9, the arc-shaped limiting slot; 10, the sealing gasket; 11, the rotating hole; 12, the long strip-shaped slot. DETAILED DESCRIPTION

[0025] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the attached drawings, the function of the attached drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0026] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the attached drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, a specific orientation and operation, so it cannot be understood as the limitation of the utility model.

[0027] In the description of the utility model, if several mean one or more, multiple mean two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If there is a description to the first, second, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0028] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be broadly understood, and the specific meaning of the above words in the utility model can be reasonably determined by the person skilled in the art in combination with the specific content of the technical scheme.

[0029] Reference Figures 1 to 8 A gas water heater, comprising: a body 1, the top of the body 1 is provided with a first exhaust pipe 2, the top of the body 1 is fixedly installed with a shell 3, the shell 3 is communicated with the first exhaust pipe 2, a filter element 4 is detachably installed in the shell 3, a fixing mechanism 5 is arranged on the filter element 4, and the fixing mechanism 5 is used for installing the filter element 4 on the shell 3. The filter element 4 blocks impurities, protects the fan and the heat exchanger, and the fixing mechanism 5 can conveniently install and dismount the filter element 4, which is favorable for cleaning or replacing the filter element 4.

[0030] As a preferred embodiment, the top of the shell 3 is fixedly installed with a second exhaust pipe 6, and the second exhaust pipe 6 is communicated with the shell 3. The second exhaust pipe 6 can discharge the exhaust gas filtered by the filter element 4.

[0031] As a preferred embodiment, two grooves 7 are symmetrically formed on the shell 3, an arc-shaped clamping groove 8 is formed on the inner wall of the groove 7, the fixing mechanism 5 comprises two inserting rods 501, the two inserting rods 501 are symmetrically rotatably installed on the filter element 4, the inserting rod 501 is detachably connected with the inner wall of the corresponding groove 7, the inserting rod 501 is fixedly installed with a clamping block 502, and the clamping block 502 is detachably connected with the inner wall of the corresponding arc-shaped clamping groove 8. When the filter element 4 needs to be dismounted, the two inserting rods 501 are rotated, the inserting rod 501 drives the clamping block 502 to rotate and make the clamping block 502 rotate out of the corresponding arc-shaped clamping groove 8, at this time, the filter element 4 can be dismounted, and the operation is simple.

[0032] As a preferred embodiment, two rotating holes 11 are symmetrically formed on the filter element 4, the inner wall of the rotating hole 11 is rotatably connected with the corresponding inserting rod 501, an arc-shaped limiting slot 9 is formed on the inner wall of the rotating hole 11, and the fixing mechanism 5 further comprises a limiting block 505, and the limiting block 505 is slidably connected with the inner wall of the corresponding arc-shaped limiting slot 9. The rotating angle of the inserting rod 501 can be limited through the cooperation of the arc-shaped limiting slot 9 and the limiting block 505, and the inserting rod 501 is conveniently inserted into the groove 7.

[0033] As a preferred embodiment, the sealing gasket 10 is fixedly installed on the shell 3 and is in contact with the filter core 4, the inner wall of the groove 7 is provided with a long slot 12, and the inner wall of the long slot 12 is detachably connected with the corresponding clamping block 502. The sealing gasket 10 can ensure the sealing property and prevent exhaust gas from leaking, and the long slot 12 can enable the insertion rod 501 and the clamping block 502 to be smoothly inserted into the groove 7.

[0034] As a preferred embodiment, the fixing mechanism further comprises a handle 503 fixedly installed at one end of the corresponding insertion rod 501, a torsion spring 504 sleeved on the insertion rod 501, one end of the torsion spring 504 being fixedly connected with the filter core 4, and the other end of the torsion spring 504 being fixedly connected with the handle 503. During use, the two handles 503 are simultaneously rotated, at this time, the torsion spring 504 is in a force storage state, the handle 503 drives the insertion rod 501 to rotate, the insertion rod 501 drives the clamping block 502 to rotate, the clamping block 502 is rotated out of the arc-shaped clamping groove 8 and corresponds to the long slot 12, at this time, the filter core 4 can be pulled out for replacement or cleaning, and during installation, the handle 503 is rotated again, so that the two clamping blocks 502 correspond to the two long slots 12, at this time, the torsion spring 504 is in a force storage state, then the insertion rod 501 is inserted into the corresponding groove 7 and is inserted into position, and the handle 503 is released at this time, at this time, the insertion rod 501 is driven to rotate by the torsion spring 504 and drives the clamping block 502 to enter the arc-shaped clamping groove 8, so that the fixing of the filter core 4 is completed, the operation is simple, the use is convenient, and the efficiency of replacement or cleaning of the filter core 4 is improved.

[0035] The above is only a preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct or indirect application in other related technical fields under the utility model concept of the utility model is included in the patent protection range of the utility model.

Claims

1. A gas water heater, characterized in that, include: The main body (1) has a first exhaust pipe (2) on its top and a housing (3) fixedly installed on its top. The housing (3) is connected to the first exhaust pipe (2). A filter element (4) is detachably installed inside the housing (3). A fixing mechanism (5) is provided on the filter element (4). The fixing mechanism (5) is used to install the filter element (4) on the housing (3). Two grooves (7) are symmetrically opened on the housing (3). An arc-shaped slot (8) is opened on the inner wall of the groove (7). The fixing mechanism (5) includes two insert rods (501). The two insert rods (501) are symmetrically rotated and installed on the filter element (4). The insert rods (501) are detachably connected to the inner wall of the corresponding groove (7). A card block (502) is fixedly installed on the insert rod (501). The card block (502) is detachably connected to the inner wall of the corresponding arc-shaped slot (8).

2. A gas water heater as described in claim 1, characterized in that: A second exhaust pipe (6) is fixedly installed on the top of the housing (3), and the second exhaust pipe (6) is connected to the housing (3).

3. A gas water heater as described in claim 1, characterized in that: The filter element (4) has two symmetrical rotating holes (11). The inner wall of the rotating hole (11) is rotatably connected to the corresponding insertion rod (501). An arc-shaped limiting groove (9) is provided on the inner wall of the rotating hole (11). The fixing mechanism (5) also includes a limiting block (505). The limiting block (505) is slidably connected to the inner wall of the corresponding arc-shaped limiting groove (9).

4. A gas water heater as described in claim 3, characterized in that: A sealing gasket (10) is fixedly installed on the housing (3). The sealing gasket (10) is in contact with the filter element (4). A long strip groove (12) is provided on the inner wall of the groove (7). The inner wall of the long strip groove (12) is detachably connected to the corresponding card block (502).

5. A gas water heater as described in claim 4, characterized in that: The fixing mechanism also includes a throttle (503), which is fixedly installed at one end of the corresponding insertion rod (501). A torsion spring (504) is sleeved on the insertion rod (501). One end of the torsion spring (504) is fixedly connected to the filter element (4), and the other end of the torsion spring (504) is fixedly connected to the throttle (503).

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