Joint connecting structure and water heater with same

Abstract

The utility model relates to a connector connecting structure and a water heater with the connector connecting structure, the connector connecting structure comprises a main body, a connector and a connecting piece, and the main body is provided with an input end and an output end; the connector comprises an input pipe and an output pipe which are mutually connected and internally communicated, and the output pipe is connected and communicated with the input end of the main body; one end of the connecting piece is detachably sleeved on the input pipe, and the other end of the connecting piece is provided with a thread connected with an external pipeline; the input pipe and the output pipe are located on different planes. Therefore, according to the connector connecting structure, the connecting piece is detachably arranged on the input pipe in the sleeving mode so that the connecting piece can be rapidly separated from the input end of the connector, then an external pipeline can be rapidly separated from the connector, meanwhile, the input pipe and the output pipe of the connector are arranged to be in different planes, and a user can conveniently observe the positions of the connector and the connecting piece; therefore, a user can conveniently disassemble and assemble the connecting piece to separate an external pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of water heaters, in particular to a joint connection structure and a water heater having the same. Background Art

[0002] The traditional joint connection structure includes several main parts: a main body, a joint and a connector. The joint has an input pipe and an output pipe. The output pipe is connected to the main body. The input pipe of the joint is threadedly connected to one end of the connector, and the other end of the connector is connected to the external pipeline. However, in use, the connector is fixed to the joint by threaded connection, which makes the work of disassembling the external pipeline quite cumbersome. It is necessary to use auxiliary tools such as wrenches to disassemble the connector to separate the external pipeline from the joint.

[0003] What is even more troublesome is that the input pipe and output pipe of the connector are usually arranged on the same plane. When there are many external pipes, it is difficult for the user to observe the position of the output pipe and the connector during the disassembly process, which causes the user to waste a lot of time looking for the output pipe and the connector. At the same time, it is not easy to use auxiliary tools to remove the connector from the connector. Utility Model Content

[0004] In order to overcome the defects of the above-mentioned prior art, the utility model provides a joint connection structure and a water heater having the same, in which a connecting piece is detachably mounted on an input pipe to realize quick disassembly and assembly of the connecting piece, and then quickly separate the external pipeline from the joint. At the same time, the input pipe and the output pipe of the joint are arranged in different planes, which is convenient for users to observe and disassemble and assemble the connecting piece.

[0005] The technical solution adopted by the utility model to solve the problem is:

[0006] A joint connection structure, comprising:

[0007] a main body having an input terminal and an output terminal;

[0008] A connector, comprising an input tube and an output tube which are connected to each other and internally communicated, wherein the output tube is connected to the input end of the body;

[0009] A connector, one end of which is detachably mounted on the input pipe, and the other end of which is provided with a thread for connecting to an external pipeline;

[0010] Wherein, the input pipe and the output pipe are located in different planes.

[0011] Preferably, the main body includes a first valve body and a second valve body, the input end includes an air inlet end located on the first valve body and a water inlet end located on the second valve body; the output end includes an air outlet end located on the first valve body and a water outlet end located on the second valve body;

[0012] The joint includes an air inlet joint and a water inlet joint, and the output pipe includes an air outlet pipe located on the air inlet joint and a water outlet pipe located on the water inlet joint;

[0013] The air outlet pipe is connected to the air inlet end, and the water outlet pipe is connected to the water inlet end.

[0014] Preferably, the connecting piece includes an air inlet sleeve and a water inlet sleeve, and the input pipe includes an air inlet pipe located on the air inlet joint and a water inlet pipe located on the water inlet joint;

[0015] One end of the air intake sleeve is detachably mounted on the air intake pipe, and the other end of the air intake sleeve is provided with a first threaded end for connecting to an external air intake pipeline;

[0016] One end of the water inlet sleeve is detachably sleeved on the water inlet pipe, and the other end of the water inlet sleeve is provided with a second threaded end for connecting with an external water inlet pipeline.

[0017] Preferably, the air inlet pipe is arranged vertically, the air outlet pipe is arranged horizontally and one end of the air outlet pipe is connected to the bottom of the air inlet pipe, and the other end of the air outlet pipe is connected to the air inlet end;

[0018] A first plug block is provided at the top end of the air intake pipe, a first slot is provided in one end of the air intake sleeve, and the first plug block is plug-connected with the first slot so that one end of the air intake sleeve can be detachably sleeved on the air intake pipe.

[0019] Preferably, a locking nail is further included, the other end of the air outlet pipe is provided with a first clamping block and a first connecting plate, and the air inlet end is provided with a first clamping groove and a second connecting plate;

[0020] The first clamping block is clamped and connected with the first clamping slot, the first connecting plate is abutted with the second connecting plate, and the locking nail passes through the first connecting plate and the second connecting plate to fix the air inlet connector to the air inlet end.

[0021] Preferably, it also includes a first sealing ring arranged between the first card block and the first card slot. When the first connecting plate abuts the second connecting plate, one side of the first sealing ring abuts against the end face of the first card block, and the other side abuts against the end face of the first card slot to achieve a waterproof seal.

[0022] Preferably, it further comprises a connecting pipe, the water inlet pipe is arranged vertically, the water outlet pipe is arranged horizontally and one end of the water outlet pipe is connected to the bottom of the water inlet pipe, and the other end of the water outlet pipe is connected to the water inlet end through the connecting pipe;

[0023] A second plug block is provided at the top end of the water inlet pipe, a second slot is provided in one end of the water inlet sleeve, and the second plug block is plug-connected with the second slot so that one end of the water inlet sleeve can be detachably sleeved on the water inlet pipe.

[0024] Preferably, it also includes a locking nut sleeved on the water inlet end, the connecting pipe is provided with a second slot and an external thread, and the water inlet end is provided with a second block; the second slot is clamped and connected to the second block, and the locking nut is threadedly connected to the external thread to fix the water inlet connector to the water inlet end.

[0025] Preferably, it also includes a second sealing ring arranged between the second clamping block and the second clamping groove, and a recess is provided in the second clamping groove. When the locking nut is threadedly connected to the external thread, one side of the second sealing ring abuts against the recess, and the other side thereof abuts against the end face of the second clamping block to achieve a waterproof seal.

[0026] A water heater comprises a body and the joint connection structure.

[0027] In summary, the utility model has the following technical effects:

[0028] 1. The connector connection structure of the utility model detachably sleeves the connector on the input pipe to realize the rapid separation of the connector from the input end of the connector, and then the rapid separation of the external pipeline from the connector. At the same time, the input pipe and the output pipe of the connector are arranged in different planes, which is conducive to the user to observe the position of the connector and the connector, thereby facilitating the user to disassemble and assemble the connector to separate the external pipeline.

[0029] 2. By detachably installing the air inlet sleeve and the water inlet sleeve on the air inlet joint and the water inlet joint, wear of the threaded connection between the air inlet sleeve and the air inlet joint and / or the threaded connection between the water inlet sleeve and the water inlet joint caused by repeated disassembly can be avoided. At the same time, it is convenient for users to disassemble when inspecting or replacing pipelines, and disassembly and assembly can be achieved without the help of auxiliary tools.

[0030] 3. The air inlet pipe and the water inlet pipe are arranged vertically, and the angle position of the air inlet pipe relative to the air outlet pipe and the angle position of the water inlet pipe relative to the water outlet pipe are adjusted to be arranged in different planes, so that the user can intuitively see the installation position of the air inlet pipe and the water inlet pipe when disassembling the air inlet sleeve and the water inlet sleeve, thereby facilitating the user to disassemble the air inlet sleeve and the water inlet sleeve, separate the external air inlet pipeline and the external water inlet pipeline, and improve the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the joint connection structure of the utility model;

[0032] Figure 2 It is a structural schematic diagram of another perspective of the joint connection structure of the utility model;

[0033] Figure 3 It is an exploded schematic diagram of the joint connection structure of the utility model;

[0034] Figure 4 This is a structural schematic diagram of the first valve body and the second valve body in the connector connection structure of the utility model;

[0035] Figure 5 It is a structural schematic diagram of the air inlet joint in the joint connection structure of the utility model;

[0036] Figure 6 It is a structural schematic diagram of the air inlet sleeve in the joint connection structure of the utility model;

[0037] Figure 7 It is a structural schematic diagram of the water inlet joint in the joint connection structure of the utility model;

[0038] Figure 8 It is a structural schematic diagram of the water inlet sleeve in the joint connection structure of the utility model;

[0039] Fig. 9 It is a structural schematic diagram of another embodiment of the utility model;

[0040] Fig.10 It is a schematic diagram of the internal structure of another embodiment of the utility model.

[0041] The meanings of the reference numerals are as follows:

[0042] 1. First valve body; 11. Air inlet end; 111. Second connecting plate; 112. First card slot; 12. Air outlet end; 13. First adjusting rod; 14. Second support; 141. Second through hole; 2. Second valve body; 21. Water inlet end; 211. Locking nut; 212. Second card block; 22. Water outlet end; 23. Second adjusting rod; 3. Air inlet joint; 31. Air inlet pipe; 311. First plug block; 312. First limiting boss; 32. Air outlet pipe; 33. Locking nail; 321. First connecting plate; 322. First card block; 4. Water inlet joint; 41. Water inlet pipe; 411. Second plug block; 412. Second limiting boss Table; 42, water outlet pipe; 43, connecting pipe; 431, second card slot; 4311, recess; 432, first support; 4321, first through hole; 5, first sealing ring; 6, second sealing ring; 7, air inlet sleeve; 71, first slot; 72, first threaded end; 8, water inlet sleeve; 81, second slot; 82, second threaded end; 9, body; 91, base; 92, shell; 921, first adjusting knob; 922, second adjusting knob; 93, heat exchanger; 931, cold water inlet pipe; 932, hot water outlet pipe; 933, hot water joint; 934, water outlet sleeve; 94, burner; 941, air inlet duct. DETAILED DESCRIPTION

[0043] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0044] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0046] Embodiment 1

[0047] like Figure 1-8A connector connection structure shown includes a main body, a connector and a connector, wherein the main body has an input end and an output end; the connector includes an input tube and an output tube which are interconnected and internally conductive, and the output tube is connected and conductive to the input end of the main body; one end of the connector is detachably sleeved on the input tube, and the other end thereof is provided with a thread for connecting to an external pipeline; wherein the input tube and the output tube are located in different planes.

[0048] On the basis of the above structure, when the connector connection structure of the present invention is used, the output tube of the connector is connected and conducted with the input end of the main body, one end of the connector can be detachably sleeved on the input tube, and the other end is provided with a thread for connecting to an external pipeline, so that the user can quickly separate the connector from the input tube of the connector, avoiding the use of a threaded connection between the connecting sleeve and the connector head of the traditional connector structure, and the external pipeline can be removed from the connector head with the help of auxiliary tools, and then the external pipeline is separated from the main body; the input tube and the output tube of the connector are arranged in different planes, so that the input tube is directly facing a position observable by the user, and it is convenient for the user to disassemble and assemble.

[0049] Furthermore, the main body includes a first valve body 1 and a second valve body 2, the input end includes an air inlet end 11 located on the first valve body 1 and a water inlet end 21 located on the second valve body 2; the output end includes an air outlet end 12 located on the first valve body 1 and a water outlet end 22 located on the second valve body 2; the joint includes an air inlet joint 3 and a water inlet joint 4, the output pipe includes an air outlet pipe 32 located on the air inlet joint 3 and a water outlet pipe 42 located on the water inlet joint 4; the air outlet pipe 32 is connected to the air inlet end 11, and the water outlet pipe 42 is connected to the water inlet end 21.

[0050] Specifically, the connecting piece includes an air inlet sleeve 7 and a water inlet sleeve 8, and the input pipe includes an air inlet pipe 31 located on the air inlet joint 3 and a water inlet pipe 41 located on the water inlet joint 4; one end of the air inlet sleeve 7 can be detachably mounted on the air inlet pipe 31, and the other end thereof is provided with a first threaded end 72 for connecting to an external air inlet pipeline; one end of the water inlet sleeve 8 can be detachably mounted on the water inlet pipe 41, and the other end thereof is provided with a second threaded end 82 for connecting to an external water inlet pipeline.

[0051] Specifically, the air outlet pipe 32 of the air inlet connector 3 is connected to the air inlet end 11 of the first valve body 1, and the air inlet sleeve 7 thereof is detachably installed on the air inlet pipe 31. The user can use an external air inlet pipe to connect with the first threaded end 72 of the air inlet sleeve 7, and then install the air inlet sleeve 7 on the air inlet pipe 31 of the air inlet connector 3 to connect with the first valve body 1; the water outlet pipe 42 of the water inlet connector 4 is connected to the water inlet end 21 of the second valve body 2, and the water inlet sleeve 8 thereof is detachably installed on the water inlet pipe 41. The user can use an external water inlet pipe to connect with the second threaded end 82 of the water inlet sleeve 8, and then install the water inlet sleeve 8 on the water inlet connector 4 to connect with the second valve body 2; thus, when disassembling the external air inlet pipeline and the external water inlet pipeline, the user can remove the air inlet sleeve 7 and the water inlet sleeve 8 from the air inlet connector 3 and the water inlet connector 4 without using auxiliary tools, so as to separate the external air inlet pipeline and the external water inlet pipeline from the air inlet connector 3 and the water inlet connector 4.

[0052] See also Figure 5-6 The air inlet pipe 31 is arranged vertically, and the air outlet pipe 32 is arranged horizontally and one end of the air inlet pipe 31 is connected to the bottom of the air inlet pipe 31, and the other end of the air inlet pipe 32 is connected to the air inlet end 11. Specifically, the air inlet joint 3 formed by connecting the vertically arranged air inlet pipe 31 and the horizontally arranged air outlet pipe 32 is in an L-shaped structure; wherein, a first plug block 311 is provided at the top of the air inlet pipe 31, and a first slot 71 is provided in one end of the air inlet sleeve 7, and the first plug block 311 is plug-connected with the first slot 71, so that the air inlet sleeve 7 can be detachably installed on the air inlet pipe 31.

[0053] Specifically, the air inlet pipe 31 is also provided with a first limiting boss 312. When the air inlet sleeve 7 is plugged into the first plug block 311 through the first slot 71, the end face of the first slot 71 abuts against the first limiting boss 312 to achieve limiting. When removing the external air inlet pipeline, the user only needs to unplug the air inlet sleeve 7 from the air inlet connector 3. When installing the external air inlet pipeline, the user only needs to plug the first slot 71 on the air inlet sleeve 7 into the first plug block 311 on the air inlet connector 3 without the need for auxiliary tools. The other end of the air outlet pipe 32 is provided with a first clamping block 322, and the air inlet end 11 is provided with a first clamping slot 112. The first clamping block 322 is clamped and connected with the first clamping slot 112 to connect the air inlet connector 3 with the air inlet end 11.

[0054] See also Figure 1-3 The connector connection structure of the utility model also includes a locking nail 33, and the other end of the air outlet pipe 32 is also provided with a first connecting plate 321, and the air inlet end 11 is provided with a second connecting plate 111; when the first clamping block 322 is engaged with the first clamping groove 112, the first connecting plate 321 abuts against the second connecting plate 111, and the locking nail 33 passes through the first connecting plate 321 and the second connecting plate 111 to fix the air inlet connector 3 and the air inlet end 11.

[0055] Furthermore, the joint connection structure of the utility model also includes a first sealing ring 5 arranged between the first block 322 and the first slot 112. When the first connecting plate 321 abuts the second connecting plate 111, one side of the first sealing ring 5 abuts against the end face of the first block 322, and the other side abuts against the end face of the first slot 112 to achieve a waterproof seal.

[0056] See also Figure 7-8 The joint connection structure of the utility model also includes a connecting pipe 43, the water inlet pipe 41 is arranged vertically, the water outlet pipe 42 is arranged horizontally and one end of it is connected to the bottom of the water inlet pipe 41, and the other end of it is connected to the water inlet end 21 through the connecting pipe 43; specifically, the water inlet joint 4 formed by connecting the vertically arranged water inlet pipe 41 and the horizontally arranged water outlet pipe 42 is in an L-shaped structure; wherein, the bottom end of the connecting pipe 43 is provided with a first support 432 for installation and fixation, and the first support 432 is provided with a first through hole 4321 allowing a fastener to pass through; wherein, the top end of the water inlet pipe 41 is provided with a second plug block 411, and one end of the water inlet sleeve 8 is provided with a second slot 81, and the second plug block 411 is plug-connected with the second slot 81, so that the water inlet sleeve 8 can be detachably installed on the water inlet pipe 41.

[0057] It should be noted that, in the present embodiment, the connecting pipe 43 is composed of a downwardly inclined pipe section and a vertically arranged pipe section at the other end, so that the water outlet pipe 42 is connected to the water inlet end 21; of course, if the position of the water inlet end 21 is changed, the connecting pipe 43 may also change its shape to connect the water outlet pipe 42 to the water inlet end 21, and no specific limitation is made here.

[0058] Specifically, the water inlet pipe 41 is also provided with a second limiting boss 412. When the water inlet sleeve 8 is plugged into the second plug block 411 through the second slot 81, the end face of the second slot 81 abuts against the second limiting boss 412 to achieve limiting. When removing the external water inlet pipeline, the user only needs to unplug the water inlet sleeve 8 from the water inlet connector 4. When installing the external water inlet pipeline, the user only needs to plug the second slot 81 on the water inlet sleeve 8 into the second plug block 411 on the water inlet connector 4 without the need for auxiliary tools. Among them, the other end of the water outlet pipe 42 is provided with a second clamping groove 431, and the water inlet end 21 is provided with a second clamping block 212; the second clamping groove 431 is clamped and connected with the second clamping block 212, so that the water inlet connector 4 is connected with the water inlet end 21.

[0059] See also Figure 1-3 The joint connection structure of the utility model also includes a locking nut 211 sleeved on the water inlet end 21, the connecting pipe 43 is provided with a second card groove and an external thread, and the water inlet end 21 is provided with a second block 212; when the second card groove 431 is connected with the second block 212, the locking nut 211 is threadedly connected with the external thread to fix the water inlet joint 4 and the water inlet end 21.

[0060] Furthermore, the joint connection structure of the utility model also includes a second sealing ring 6 arranged between the second clamping block 212 and the second clamping groove 431, and a recess 4311 is provided in the second clamping groove 431. When the locking nut 211 is threadedly connected to the external thread, one side of the second sealing ring 6 abuts against the recess 4311, and the other side abuts against the end face of the second clamping block 212 to achieve a waterproof seal.

[0061] Specifically, the first valve body 1 is also provided with a first adjusting rod 13 for adjusting the air intake, and the bottom of the first valve body 1 is also provided with a second support 14 for installation and fixation, and the second support 14 is provided with a second through hole 141 allowing a fastener to pass through; the second valve body 2 is also provided with a second adjusting rod 23 for adjusting the water intake.

[0062] Embodiment 2

[0063] like Figure 9-10 A water heater shown includes a body 9 and a joint connection structure of embodiment 1, wherein the body 9 includes a base 91 and a shell 92, wherein an inner cavity is formed between the base 91 and the shell 92 and is provided with a heat exchanger 93 and a burner 94 arranged up and down, the burner 94 is provided with an air inlet duct 941, and the air inlet duct 941 is connected to the air outlet end 12 of the first valve body 1; the heat exchanger 93 is provided with a cold water inlet pipe 931 and a hot water outlet pipe 932, the hot water outlet pipe 932 is provided with an outward hot water joint 933, and the hot water joint 933 is provided with a detachable water outlet sleeve 934, wherein the cold water inlet pipe 931 of the heat exchanger 93 is connected to the water outlet end 22 of the second valve body 2.

[0064] It should be noted that, in this embodiment, the water outlet sleeve 934 is connected to the external water outlet pipeline, and the hot water connector 933 also has an L-shaped structure, so that the user can disassemble and assemble the water outlet sleeve 934 and then separate or install the external water outlet pipeline.

[0065] Specifically, the shell 92 is provided with a first adjusting knob 921 connected to the first adjusting rod 13 and a second adjusting rod 23. When in use, the user can adjust the air intake of the first valve body 1 into the burner 94 for fuel by turning the first adjusting knob 921, thereby changing the temperature of the hot water; secondly, the user can adjust the water intake of the second valve body 2 into the heat exchanger 93 for hot water conversion by turning the second adjusting knob 922, thereby achieving the hot water output of the hot water outlet pipe 932.

[0066] In summary, the utility model provides a joint connection structure and a water heater having the same, by detachably installing the air inlet sleeve 7 and the water inlet sleeve 8 on the air inlet joint 3 and the water inlet joint 4, so as to realize the rapid separation of the air inlet sleeve 7 from the air inlet joint 3 and the water inlet sleeve 8 from the water inlet joint 4, and then quickly separate the external air inlet pipeline from the air inlet joint 3 and the external water inlet pipeline from the water inlet joint 4, and avoid the wear of the threaded connection between the air inlet sleeve 7 and the air inlet joint 3 and / or the threaded connection between the water inlet sleeve 8 and the water inlet joint 4 caused by multiple disassembly, and also facilitate the user to disassemble when inspecting or replacing the pipeline, and the disassembly and assembly can be achieved without the aid of auxiliary tools.

[0067] The air inlet pipe 31 and the water inlet pipe 41 are arranged vertically, and the angular position of the air inlet pipe 31 relative to the air outlet pipe 32 and the angular position of the water inlet pipe 41 relative to the water outlet pipe 42 are adjusted to be arranged in different planes, so that the user can intuitively see the installation position of the air inlet pipe 31 and the water inlet pipe 41 when disassembling and assembling the air inlet sleeve 7 and the water inlet sleeve 8, thereby facilitating the user to disassemble and assemble the air inlet sleeve 7 and the water inlet sleeve 8, separate the external air inlet pipeline and the external water inlet pipeline, and enhance the user experience.

[0068] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0069] It should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0070] In addition, in the description of the present utility model, "multiple" and "several" mean two or more than two, unless otherwise clearly and specifically defined.

[0071] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A joint connection structure, characterized in that: include: a main body having an input terminal and an output terminal; A connector, comprising an input tube and an output tube which are connected to each other and internally communicated, wherein the output tube is connected to the input end of the body; A connector, one end of which is detachably mounted on the input pipe, and the other end of which is provided with a thread for connecting to an external pipeline; Wherein, the input pipe and the output pipe are located in different planes.

2. The joint connection structure according to claim 1, characterized in that: The main body includes a first valve body and a second valve body, the input end includes an air inlet end located on the first valve body and a water inlet end located on the second valve body; the output end includes an air outlet end located on the first valve body and a water outlet end located on the second valve body; The joint includes an air inlet joint and a water inlet joint, and the output pipe includes an air outlet pipe located on the air inlet joint and a water outlet pipe located on the water inlet joint; The air outlet pipe is connected to the air inlet end, and the water outlet pipe is connected to the water inlet end.

3. The joint connection structure according to claim 2, characterized in that: The connecting piece includes an air inlet sleeve and a water inlet sleeve, and the input pipe includes an air inlet pipe located on the air inlet joint and a water inlet pipe located on the water inlet joint; One end of the air intake sleeve is detachably mounted on the air intake pipe, and the other end of the air intake sleeve is provided with a first threaded end for connecting to an external air intake pipeline; One end of the water inlet sleeve is detachably sleeved on the water inlet pipe, and the other end of the water inlet sleeve is provided with a second threaded end for connecting with an external water inlet pipeline.

4. The joint connection structure according to claim 3, characterized in that: The air inlet pipe is arranged vertically, the air outlet pipe is arranged horizontally and one end of the air outlet pipe is connected to the bottom of the air inlet pipe, and the other end of the air outlet pipe is connected to the air inlet end; A first plug block is provided at the top end of the air intake pipe, a first slot is provided in one end of the air intake sleeve, and the first plug block is plug-connected with the first slot so that one end of the air intake sleeve can be detachably sleeved on the air intake pipe.

5. The joint connection structure according to claim 4, characterized in that: It also includes a locking nail, the other end of the air outlet pipe is provided with a first clamping block and a first connecting plate, and the air inlet end is provided with a first clamping groove and a second connecting plate; The first clamping block is clamped and connected with the first clamping slot, the first connecting plate is abutted with the second connecting plate, and the locking nail passes through the first connecting plate and the second connecting plate to fix the air inlet connector to the air inlet end.

6. The joint connection structure according to claim 5, characterized in that: It also includes a first sealing ring arranged between the first card block and the first card slot. When the first connecting plate abuts the second connecting plate, one side of the first sealing ring abuts against the end face of the first card block, and the other side abuts against the end face of the first card slot to achieve a waterproof seal.

7. The joint connection structure according to claim 3, characterized in that: It also includes a connecting pipe, the water inlet pipe is arranged vertically, the water outlet pipe is arranged horizontally and one end of the water outlet pipe is connected to the bottom of the water inlet pipe, and the other end of the water outlet pipe is connected to the water inlet end through the connecting pipe; A second plug block is provided at the top end of the water inlet pipe, a second slot is provided in one end of the water inlet sleeve, and the second plug block is plug-connected with the second slot so that one end of the water inlet sleeve can be detachably sleeved on the water inlet pipe.

8. The joint connection structure according to claim 7, characterized in that: It also includes a locking nut sleeved on the water inlet end, the connecting pipe is provided with a second slot and an external thread, and the water inlet end is provided with a second block; the second slot is clamped and connected to the second block, and the locking nut is threadedly connected to the external thread to fix the water inlet connector to the water inlet end.

9. The joint connection structure according to claim 8, characterized in that: It also includes a second sealing ring arranged between the second clamping block and the second clamping groove, and a recess is provided in the second clamping groove. When the locking nut is threadedly connected to the external thread, one side of the second sealing ring abuts against the recess, and the other side abuts against the end face of the second clamping block to achieve a waterproof seal.

10. A water heater, characterized in that: It comprises a body and the joint connection structure according to any one of claims 1 to 9.

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