Spraying arm structure of shower

Abstract

The utility model provides a spraying arm structure of a shower, which comprises a shell and water channel modules, avoidance holes are arranged on the shell at intervals, the water channel modules corresponding to the avoidance holes in number are arranged in the shell, splicing parts are arranged on the water channel modules, two adjacent water channel modules are connected by the splicing parts, and each water channel module comprises a water supply pipeline and a nozzle; every two adjacent water supply pipelines are communicated with each other, water outlets are formed in the side walls of the water supply pipelines, nozzles are installed on the water outlets, decorative covers are arranged on the nozzles, and the nozzles and the decorative covers are located in the receding holes. The decorative cover is directly mounted on the nozzles, so that assembly errors caused by hole position tolerance in the spraying arm shell can be reduced, the consistency of the water spraying directions of the multiple nozzles is improved, and the use experience of a user is improved; the water channel modules with the corresponding lengths can be selected and assembled according to the lengths of different types of spraying arms, one-type-to-one-type water channel modules are not needed, the mold opening cost and the like are reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bathrooms, in particular to a spray arm structure of a shower. Background Art

[0002] At present, with the improvement of people's living standards and requirements, taking a shower with a shower device has become an indispensable lifestyle for many modern people every day. At present, most showers are designed for users to stand and take a shower. However, during the shower, due to the slippery ground, children, the elderly, and even adults are very likely to fall, resulting in physical injuries. Therefore, sitting showers came into being. The work and rest shower usually extends a spray arm on both sides of its frame body for showering. The decorative cover of the existing spray arm nozzle is directly installed on the clearance hole of the shell. Therefore, if the nozzle position of the water channel module therein deviates, it may cause the decorative cover to be unable to be aligned with the nozzle for installation, or the deviation may cause the nozzle spray angle to be skewed, affecting the use, and the length of the spray arm of different models of showers is different, and the length of the water channel module required is also different, so different models of water channel modules are required, which increases the production cost. Utility Model Content

[0003] In order to solve the above problems, the purpose of the utility model is to provide a spray arm structure of a shower.

[0004] The utility model is implemented by the following method: a shower arm structure of a shower comprises a shell and a water channel module, wherein the shell is provided with clearance holes at intervals, and the shell is provided with water channel modules corresponding to the number of the clearance holes, and a splicing portion is provided on the water channel module, and two adjacent water channel modules are connected by the splicing portion, and the water channel module comprises a water supply pipe and a nozzle; two adjacent water supply pipes are connected to each other, and a water outlet is provided on the side wall of the water supply pipe, and the nozzle is installed on the water outlet, and a decorative cover is provided on the nozzle, and the nozzle and the decorative cover are located at the clearance holes.

[0005] Preferably, a plurality of clips are provided on the outer periphery of the nozzle, and a portion of the decorative cover facing the nozzle is provided with snap-in slots corresponding to the number and positions of the clips, and the clips are snapped into the snap-in slots to fix the decorative cover on the nozzle, and the nozzle is fixedly connected to the water outlet by threads.

[0006] Preferably, the first end of the shell is provided with a limiting connector for connecting to a spray arm seat of the shower, the limiting connector includes a spray arm joint and an elastic C-ring, a guide groove is provided on the circumferential surface of the spray arm joint, and the elastic C-ring is movably installed in the guide groove; the spray arm connector is fixedly connected to the shell, and the elastic C-ring is fixedly connected to the spray arm seat of the shower.

[0007] Preferably, the splicing portion includes a first splicing portion provided at the first end of the water supply pipe, and a second splicing portion provided at the second end of the water supply pipe, and the first splicing portion of one of the two adjacent water supply pipes is spliced ​​with the second splicing portion of the other water supply pipe.

[0008] Preferably, the first end of the water supply pipe near the first end of the shell is connected to a splicing pipe for connecting to a water source, the first end of the splicing pipe is provided with a clamping groove, and an elastic retaining spring is installed at the clamping groove for cooperating with the shell to limit the water channel module; the second end of the shell is provided with an end cover.

[0009] Preferably, the first splicing part includes a plug provided at the first end of the water supply pipe, and a hook is provided on the outer wall of the plug; the second splicing part includes a socket provided at the second end of the water supply pipe, and a first slot is provided on the circumferential surface of the socket, the plug can be inserted into the socket, and the hook is inserted into the first slot.

[0010] Preferably, the second end of the spliced ​​pipe is provided with a third splicing part having the same structure as the second splicing part, which is butted with the butt plug of the water supply pipe adjacent to the spliced ​​pipe.

[0011] Preferably, the first slot is L-shaped, and a recess is provided on the inner wall of the first slot which is radially parallel to the water supply pipe and close to the second end. The width of the first slot which is parallel to the axial direction of the water supply pipe matches the width of the hook, and the hook is provided with a protrusion on the side away from the first end of the water supply pipe, and the protrusion can be inserted into the recess.

[0012] Preferably, a limiting groove is provided on the circumferential surface of the guide slide groove, and a limiting portion is provided on the inner circumferential surface of the elastic C ring, and the limiting portion moves in the limiting groove; a nut is also provided on the elastic C ring for connecting a locking piece inserted into the spray arm seat.

[0013] Preferably, it also includes a right-angle pipe, the water supply pipe has a first water supply channel, the first water supply channels in two adjacent water supply pipes are connected to each other, and the first water supply channel is connected to the water outlet; the spliced ​​pipe has a first connecting water channel, the first connecting water channel is connected to the first water supply channel in the adjacent water supply pipe, the right-angle pipe is provided with a first right-angle water channel, the first right-angle water channel is connected to the first connecting water channel, the right-angle pipe is fixedly installed in the spray arm seat of the shower, and the spliced ​​pipe can rotate relative to the right-angle pipe.

[0014] Preferably, it also includes a right-angle pipe, wherein the water supply pipe has a first water supply channel and a second water supply channel that are independent of each other, the first water supply channels in two adjacent water supply pipes are interconnected, the second water supply channels in two adjacent water supply pipes are interconnected, and the first water supply channel is connected to the water outlet; the spliced ​​pipe has a first connecting water channel and a second connecting water channel that are independent of each other, the first connecting water channel is connected to the first water supply channel in the adjacent water supply pipe, and the second connecting water channel is connected to the second water supply channel in the adjacent water supply pipe; the right-angle pipe is provided with a first right-angle water channel and a second right-angle water channel that are independent of each other, the first right-angle water channel is connected to the first connecting water channel, the second right-angle water channel is connected to the second connecting water channel, and the right-angle pipe is fixedly installed in the spray arm seat of the shower.

[0015] The beneficial effects of the utility model are as follows: the utility model provides a shower arm structure of a shower, and compared with the prior art, the utility model has at least the following technical effects: 1. By directly installing the decorative cover on the nozzle, the assembly error caused by the hole position tolerance on the spray arm housing can be reduced, the consistency of the water spray direction of multiple nozzles can be improved, and the user experience can be improved; and the water channel module adopts the form of splicing, and the water channel module of corresponding length can be selected and assembled according to the length of the spray arm of different product models, and there is no need to correspond to the same type of water channel module to reduce the cost of mold opening, etc., and reduce the production cost. 2. The splicing of two adjacent water channel modules can be quickly realized by setting the first splicing part and the second splicing part, thereby improving the efficiency of assembly. 3. By initially positioning the plug and the socket, and then aligning the first card slot and the card hook to achieve precise positioning connection, the first card slot is connected with the card hook, and the card hook needs to be rotated to the radially parallel part in the first card slot after being installed in the first card slot. There are concave parts and convex points between the card slot and the card hook as anti-disconnection stops, so that the connection between the two adjacent water channel modules is more firm. 4. The water channel module at the first end of the shell is provided with a splicing pipe for connecting the water channel of the shower, and a retaining spring is provided at the first end thereof to restrict the water channel module within the shell to prevent the water channel module from escaping from the shell due to excessive water pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a schematic diagram of the discrete components of the spray arm structure of a shower.

[0017] Figure 2 It is a schematic diagram of the separation of components of the spliced ​​pipe and waterway module of the utility model.

[0018] Figure 3 It is a schematic diagram of the separation of components of two adjacent waterway modules of the utility model.

[0019] Figure 4 yes Figure 3 A local enlarged schematic diagram of point A in the middle.

[0020] Figure 5 It is an assembly diagram of the waterway module being assembled into the shell.

[0021] Figure 6 It is a schematic diagram of the cross-sectional position relationship between the limit connector and the spray arm seat.

[0022] Figure 7 It is a schematic diagram of the connection relationship between the spray arm and the shower head.

[0023] Figure 8 It is a schematic diagram of the cross-sectional connection relationship between the spray arm and the spray arm seat of a single water channel.

[0024] Fig. 9 It is a structural diagram of a right-angle pipeline with a single water channel.

[0025] Fig.10 It is a schematic diagram of the cross-sectional connection relationship between the spray arm and the spray arm seat of the double water channel.

[0026] Fig.11 It is a schematic diagram of the structure of a right-angle pipeline with double waterways.

[0027] Explanation of the accompanying drawings: 1. Shell; 11. Make way hole; 2. Water channel module; 21. Water supply pipe; 211. Water outlet; 212. Dock plug; 213. Hook; 214. Dock socket; 215. First slot; 216. Recess; 217. Protrusion; 218. First water supply channel; 219. Second water supply channel; 22. Nozzle; 221. Buckle; 23. Decorative cover; 3. Splicing pipe; 31. Connecting slot; 32. Elastic retaining spring; 33. Third splicing part; 34. First connecting water channel; 35. Second connecting water channel; 4. End cover; 5. Limiting connector; 51. Spray arm joint; 52. Elastic C ring; 53. Limiting slot; 54. Limiting part; 6. Spray arm seat; 7. Right-angle pipe; 71. First right-angle water channel; 72. Second right-angle water channel. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] See also Figures 1 to 11 A shower arm structure of a shower comprises a shell 1 and a water channel module 2. The shell 1 is provided with clearance holes 11 at intervals. The shell 1 is provided with water channel modules 2 corresponding to the number of the clearance holes 11. The water channel module 2 is provided with a splicing portion. Two adjacent water channel modules 2 are connected by the splicing portion. The water channel module 2 comprises a water supply pipe 21 and a nozzle 22. Two adjacent water supply pipes 21 are connected to each other. A water outlet 211 is provided on the side wall of the water supply pipe 21. The nozzle 22 is installed on the water outlet 211. A decorative cover 23 is provided on the nozzle 22. The nozzle 22 and the decorative cover 23 are located at the clearance holes 11. By directly installing the decorative cover 23 on the nozzle 22, the assembly error caused by the hole tolerance on the spray arm shell 1 can be reduced, the consistency of the water spraying direction of multiple nozzles 22 can be improved, and the user experience is improved; and the water channel module 2 adopts a splicing form, and a water channel module 2 of corresponding length can be assembled according to the length of the spray arm of different product models. There is no need for a one-to-one water channel module 2 to reduce the cost of mold opening, etc., thereby reducing production costs.

[0030] See also Figure 1 to Figure 2 Preferably, a plurality of buckles 221 are provided on the outer circumference of the nozzle 22, and a portion of the decorative cover 23 facing the nozzle 22 is provided with a bayonet corresponding to the number and position of the buckles 221, and the buckles 221 are buckled into the bayonet to fix the decorative cover 23 on the nozzle 22, and the nozzle 22 is fixedly connected to the water outlet 211 by a thread. The nozzle 22 can be quickly installed on the outlet of the water supply pipe through a nut, and the decorative cover 23 and the nozzle 22 are quickly spliced ​​through the buckles 221 and the bayonet, which is simple and firm to assemble and not easy to fall off, reducing the assembly error caused by the hole position tolerance when the decorative cover 23 is installed on the yield hole 11 of the spray arm and indirectly connects the nozzle 22.

[0031] See also Figure 1 , Figure 2 , Figures 5 to 8, preferably, the first end of the housing 1 is provided with a limit connector 5 for connecting to the spray arm seat 6 of the shower, the limit connector 5 includes a spray arm joint 51 and an elastic C ring 52, a guide slide groove is provided around the circumference of the spray arm joint 51, and the elastic C ring 52 is movably installed in the guide slide groove; the spray arm connector is fixedly connected to the housing 1, and the elastic C ring 52 is fixedly connected to the spray arm seat 6 of the shower. Compared with the traditional spray arm that can only rotate around the installation frame of the shower, the utility model is provided between the spray arm seat 6 and the spray arm through the limit connector 5, so that the spray arm can rotate around its own axis, so that the spray angle of the nozzle 22 during showering has a larger adjustment range, which can provide users with a better shower experience.

[0032] See also Figure 1 , Figure 2 , Figures 5 to 8 Preferably, a limiting groove 53 is provided on the circumferential surface of the guide chute, and a limiting portion 54 is provided on the inner circumferential surface of the elastic C ring 52, and the limiting portion 54 moves in the limiting groove 53; the elastic C ring 52 is also provided with a nut for connecting the locking piece inserted into the spray arm seat to connect the spray arm to the spray arm seat of the shower. The elastic C ring 52 fixed on the spray arm joint 51 can rotate around the spray arm joint 51 by 0 to 135 degrees, that is, the spray arm can rotate by 0 to 135 degrees, and the two ends of the limiting groove 53 form an angle of 135° with the axis line. Other angles can also be used, which can be adjusted according to needs, but are not limited to this. The limiting groove 53 plays a role in limiting the rotation angle of the elastic C ring 52 around the guide chute to avoid rotating to a position outside the space between the two spray arms, thereby avoiding spraying the space outside the shower area in the bathroom.

[0033] See also Figures 1 to 6 Preferably, the splicing portion includes a first splicing portion provided at the first end of the water supply pipe 21, and a second splicing portion provided at the second end of the water supply pipe 21, and the first splicing portion of one of the two adjacent water supply pipes 21 is spliced ​​with the second splicing portion of the other water supply pipe 21. The first splicing portion and the second splicing portion can be provided to quickly splice two adjacent waterway modules 2, thereby improving assembly efficiency.

[0034] See also Figures 1 to 6Preferably, the first joint part includes a plug 212 provided at the first end of the water supply pipe 21, and a hook 213 is provided on the outer wall of the plug 212; the second joint part includes a socket 214 provided at the second end of the water supply pipe, and a first slot 215 is provided on the circumference of the socket 214, the plug 212 can be inserted into the socket 214, and the hook 213 is inserted into the first slot 215. The first slot 215 is L-shaped, and a recess 216 is provided on the inner wall of the first slot 215 which is parallel to the radial direction of the water supply pipe 21 and close to the second end. The width of the first slot 215 parallel to the axial direction of the water supply pipe 21 matches the width of the hook 213, and the hook 213 is provided with a convex point 217 on the side away from the first end of the water supply pipe 21 where it is located, and the convex point 217 can be inserted into the concave part 216. By initially positioning the plug 212 and the socket 214, the first slot 215 and the hook 213 are aligned to achieve precise positioning connection. The first slot 215 is connected with the hook 213. The hook 213 is inserted into the first slot 215 through the part parallel to the axial direction of the water supply pipe 21 and then rotated to the part parallel to the radial direction in the first slot 215, so that the convex point 217 on the hook 213 moves to the concave part 216. There is a concave part 216 and a convex point 217 between the slot and the hook 213 as an anti-disconnection stop, so that the connection between the two adjacent waterway modules 2 is more secure. The hook and the first slot are arranged in a plurality of annular arrays on the outer circumference of the water supply pipe.

[0035] See also Figure 1 , Figure 2 , Figures 5 to 8 Preferably, the first end of the water supply pipe 21 near the first end of the shell 1 is connected with a splicing pipe 3 for connecting the shower water source; and an end cap 4 is provided near the second end of the shell 1. The second end of the splicing pipe 3 is provided with a third splicing part 33 having the same structure as the second splicing part, and docking with the plug 212 of the water supply pipe 21 adjacent to the splicing pipe 3. The splicing pipe 3 can be quickly connected with the water supply pipe 21 to improve the assembly efficiency. The splicing pipe 3 is used to connect the waterway in the shower. The splicing process refers to the first splicing part and the second splicing part. The first end of the splicing pipe 3 is provided with a clamping groove 31, and an elastic clamping spring 32 is installed at the clamping groove 31, which is used to cooperate with the shell 1 to limit the waterway module 2. The clamping spring provided at its first end can limit the waterway module 2 within the shell 1 to prevent the waterway module 2 from escaping from the shell 1 due to excessive water pressure.

[0036] See also Figures 1 to 8Preferably, a sealing ring is provided at the connection of adjacent water supply pipes 21, and a sealing ring is also provided at the connection between the water supply pipe 21 and the splicing pipe 3. A water expansion sheet is provided at the water outlet 211 of the water supply pipe 21.

[0037] Preferably, the inlet of the waterway of the water supply pipe is connected to the outlet of the waterway of the previous water supply pipe, the outlet of the waterway of the spliced ​​pipe is connected to the outlet of the waterway of the water supply pipe docked with it, and the outlet of the waterway of the water supply pipe farthest from the spliced ​​pipe is sealed.

[0038] See also Figures 1 to 9 Preferably, it also includes a right-angle pipe 7, the water supply pipe 21 has a first water supply channel 218, the first water supply channels 218 in two adjacent water supply pipes 21 are connected to each other, and the first water supply channel 218 is connected to the water outlet; the splicing pipe 3 has a first connecting water channel 34, the first connecting water channel 34 is connected to the first water supply channel 218 in the adjacent water supply pipe 21, the right-angle pipe 7 is provided with a first right-angle water channel 71, the first right-angle water channel 71 is connected to the first connecting water channel, the right-angle pipe 7 is fixedly installed in the shower arm seat of the shower, and the splicing pipe 3 can rotate relative to the right-angle pipe 7. After splicing, a continuous water channel is formed to supply water to the water outlets of each water supply pipe.

[0039] See also Figures 1 to 7 , Fig.10 , Fig.11Preferably, it also includes a right-angle pipe 7, wherein the water supply pipe 21 has a first water supply channel 218 and a second water supply channel 219 that are independent of each other, the first water supply channels 218 in two adjacent water supply pipes 21 are connected to each other, the second water supply channels 219 in two adjacent water supply pipes 21 are connected to each other, and the first water supply channel 218 is connected to the water outlet; the splicing pipe 3 has a first connecting water channel 34 and a second connecting water channel 35 that are independent of each other, the first connecting water channel 34 is connected to the first water supply channel 218 in the adjacent water supply pipe 21, and the second connecting water channel 35 is connected to the second water supply channel 219 of the adjacent water supply pipe 21; the right-angle pipe 7 is provided with a first right-angle water channel 71 and a second right-angle water channel 72 that are independent of each other, the first right-angle water channel 71 is connected to the first connecting water channel 34, the second right-angle water channel 72 is connected to the second connecting water channel 35, and the right-angle pipe 7 is fixedly installed in the spray arm seat of the shower. After the first water supply waterway is spliced, a waterway is formed to supply water to the water outlet in the spray arm; and after the second water supply waterway is spliced, an independent waterway is reserved to supply water to other functions, which is independent of the water supply waterway of the water supply pipe outlet and will not interfere with each other. The right-angle pipe is used to connect the water source in the shower frame. Of course, the water supply pipe of the dual water supply waterway can also be used to connect the spliced ​​pipe with only one connecting waterway, which can only be connected to the first water supply waterway, but it is not limited to this.

[0040] The utility model has the following working principle:

[0041] The elastic C ring 52 is stuck on the guide groove of the spray arm joint 51, and the locking piece of the spray arm seat is locked into the nut of the elastic C ring 52, so that the connection between the spray arm and the spray arm seat can be realized. And because the elastic C ring 52 can rotate relative to the guide groove of the spray arm joint 51, the spray arm can rotate relative to the spray arm seat, so that the nozzle 22 on the spray arm can adjust the water outlet angle along the circumferential direction of the spray arm; the third splicing part 33 of the splicing pipe 3 is first spliced ​​with the first splicing part of the water supply pipe 21, and then the remaining water supply pipes 21 (when the plug 212 is inserted into the socket 21) are spliced ​​in sequence through the first splicing part and the second splicing 4, push the hook 213 into the first slot 215 along the axial direction of the water supply pipe until it contacts the part parallel to the radial plane, then rotate one of the water supply pipes 21 to make the hook 213 rotate to avoid the axial part of the first slot 215, so that the protrusion 217 enters the channel recess 216, and the splicing is completed), and install the nozzle 22 at its water outlet 211, and then insert the entire spliced ​​and assembled part from the second end of the shell 1. When the spliced ​​pipe 3 extends from the first end of the shower arm, the elastic retaining spring 32 is inserted into the snap groove 31 of the spliced ​​pipe 3 to prevent the water channel module 2 from escaping from the shell 1 due to excessive water pressure.

[0042] Several points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.

[0043] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the usual design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0044] Finally, the above is only a preferred implementation of the present utility model, and the protection scope of the present utility model is not limited to the above embodiments. All technical solutions under the concept of the present utility model belong to the protection scope of the present utility model.

[0045] It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications without departing from the principle of the utility model should also be regarded as within the protection scope of the utility model.

Claims

1. A shower arm structure of a shower, comprising a housing, characterized in that: It also includes a waterway module, wherein the shell is provided with clearance holes at intervals, and waterway modules corresponding to the number of the clearance holes are provided in the shell, a splicing portion is provided on the waterway module, and two adjacent waterway modules are connected by the splicing portion, and the waterway module includes a water supply pipe and a nozzle; two adjacent water supply pipes are connected to each other, and a water outlet is provided on the side wall of the water supply pipe, and the nozzle is installed on the water outlet, and a decorative cover is provided on the nozzle, and the nozzle and the decorative cover are located at the clearance holes.

2. The shower arm structure of claim 1, characterized in that: A plurality of clips are arranged on the outer circumference of the nozzle, and a portion of the decorative cover facing the nozzle is provided with slots corresponding to the number and positions of the clips. The clips are buckled into the slots to fix the decorative cover on the nozzle, and the nozzle is fixedly connected to the water outlet by threads.

3. The shower arm structure of claim 1, characterized in that: The first end of the shell is provided with a limiting connector for connecting to a spray arm seat of the shower, the limiting connector includes a spray arm joint and an elastic C-ring, a guide groove is provided around the circumference of the spray arm joint, and the elastic C-ring is movably installed in the guide groove; the spray arm connector is fixedly connected to the shell, and the elastic C-ring is fixedly connected to the spray arm seat of the shower.

4. The shower arm structure of a shower according to claim 1, characterized in that: The splicing portion includes a first splicing portion provided at the first end of the water supply pipe and a second splicing portion provided at the second end of the water supply pipe. The first splicing portion of one of two adjacent water supply pipes is spliced ​​with the second splicing portion of the other water supply pipe.

5. The shower arm structure of a shower according to claim 4, characterized in that: The first end of the water supply pipe near the first end of the shell is connected to a splicing pipe for connecting to a water source. The first end of the splicing pipe is provided with a clamping groove, and an elastic retaining spring is installed at the clamping groove for cooperating with the shell to limit the water channel module; the second end of the shell is provided with an end cover.

6. The shower arm structure of claim 5, characterized in that: The first splicing part includes a plug provided at the first end of the water supply pipe, and a hook is provided on the outer wall of the plug; the second splicing part includes a socket provided at the second end of the water supply pipe, and a first slot is provided on the circumferential surface of the socket, the plug can be inserted into the socket, and the hook is inserted into the first slot.

7. The shower arm structure of claim 6, characterized in that: The second end of the spliced ​​pipe is provided with a third spliced ​​portion having the same structure as the second spliced ​​portion, and is butted against a butt plug of the water supply pipe adjacent to the spliced ​​pipe.

8. The shower arm structure of claim 6, characterized in that: The first card slot is L-shaped, and a recess is provided on the inner wall of the first card slot which is radially parallel to the water supply pipe and close to the second end. The width of the first card slot which is parallel to the axial direction of the water supply pipe matches the width of the hook. The hook is provided with a protrusion on the side away from the first end of the water supply pipe where it is located, and the protrusion can be inserted into the recess.

9. The shower arm structure of claim 5, characterized in that: It also includes a right-angle pipe, the water supply pipe has a first water supply channel, the first water supply channels in two adjacent water supply pipes are connected to each other, and the first water supply channel is connected to the water outlet; the spliced ​​pipe has a first connecting water channel, the first connecting water channel is connected to the first water supply channel in the adjacent water supply pipe, the right-angle pipe is provided with a first right-angle water channel, the first right-angle water channel is connected to the first connecting water channel, the right-angle pipe is fixedly installed in the spray arm seat of the shower, and the spliced ​​pipe can rotate relative to the right-angle pipe.

10. The shower arm structure of claim 5, characterized in that: It also includes a right-angle pipe, the water supply pipe has a first water supply channel and a second water supply channel that are independent of each other, the first water supply channels in two adjacent water supply pipes are connected to each other, the second water supply channels in two adjacent water supply pipes are connected to each other, and the first water supply channel is connected to the water outlet; the spliced ​​pipe has a first connecting water channel and a second connecting water channel that are independent of each other, the first connecting water channel is connected to the first water supply channel in the adjacent water supply pipe, and the second connecting water channel is connected to the second water supply channel in the adjacent water supply pipe; the right-angle pipe is provided with a first right-angle water channel and a second right-angle water channel that are independent of each other, the first right-angle water channel is connected to the first connecting water channel, the second right-angle water channel is connected to the second connecting water channel, and the right-angle pipe is fixedly installed in the spray arm seat of the shower.

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