Concealed shower device formed by combining and splicing multiple modules

Abstract

The utility model relates to the technical field of bathroom embedded boxes, and provides a multi-module combined and spliced concealed shower device which is used for solving the problem of poor splicing strength between embedded boxes and between faucet main bodies. Comprising a main pre-embedded box, at least one splicing pre-embedded box, a main control faucet body, a splicing faucet body, a main protective cover, a splicing protective cover, a water inlet connector, a water outlet connector and a connecting piece, and no side face is arranged on the splicing face of the main pre-embedded box and the splicing pre-embedded box and the splicing face between the splicing pre-embedded boxes; splicing structures enabling the main embedded box and the splicing embedded boxes to be directly combined, spliced and fixed are arranged at splicing seams between the main embedded box and the splicing embedded boxes and at splicing seams between the splicing embedded boxes, and mounting lugs are arranged on the side face of the main embedded box and the side face of the splicing embedded box at the splicing tail end respectively. And mounting through holes are formed in the mounting lugs.

Description

Technical Field

[0001] The utility model relates to the technical field of bathroom embedded boxes, and particularly relates to a concealed shower device with multi-module combined splicing. Background Art

[0002] In a concealed shower system, the water supply pipes of the shower head and the nozzle and the faucet body for switching the water path are pre-embedded inside the bathroom wall in advance, and only the shower head, the nozzle and the operation switch are exposed outside the wall for use and operation control, so that the shower system is simple and beautiful in subsequent use and does not occupy too much space in the bathroom.

[0003] As shown in a modular embedded box of a shower system disclosed in Chinese Patent No. 202321760864.4, in the existing concealed shower device, the main embedded box and the splicing embedded box are independently fixed in the wall. Both the main embedded box and the splicing embedded box have four side surfaces, namely, upper, lower, left and right. Connection ports for connecting the faucet body and the pipeline are arranged on the upper and lower side surfaces, and connection ports for connecting the faucet bodies to each other are also arranged on the left and right side surfaces. In the existing installed shower system, when the faucet body is damaged or the accessories are aged and need to be replaced, due to the obstruction of the left and right side surfaces of the splicing embedded box, it is inconvenient to operate when disassembling the faucet body, and the faucet, the embedded box and the wall will be damaged to a certain extent during the disassembly process, which is not conducive to the maintenance and replacement of the shower faucet. Moreover, the main embedded box and the splicing embedded box are separately fixed on the wall, so that the more splicing embedded boxes there are, the more troublesome and time-consuming it is to fix the embedded boxes to the wall, and the combined splicing strength between the box bodies and between the faucet bodies is poor.

[0004] In order to solve the above problems, this case is thus generated. Content of the Utility Model

[0005] Therefore, in view of the above problems, the utility model provides a concealed shower device with multi-module combined splicing for solving the problems of poor splicing strength between the embedded boxes and between the faucet bodies and inconvenient disassembly of the faucet body.

[0006] To solve the above technical problems, the solution adopted by the present utility model is as follows: A concealed shower device with multi-module combined splicing, including a main embedded box, at least one splicing embedded box, a main control faucet body, a splicing faucet body, a main protective cover, and a splicing protective cover. The main control faucet is fixedly arranged in the main embedded box. Water inlet joints are respectively connected to the cold and hot water inlets of the main control faucet. The water inlet joints penetrate through the upper side or the lower side or the bottom surface of the main embedded box. The splicing faucet body is fixedly arranged in the splicing embedded box. A water outlet joint is arranged on the water outlet of the splicing faucet. The water outlet joint penetrates through the upper side or the lower side of the splicing embedded box. Connecting pieces are arranged between the water outlet end of the main control faucet body and the water inlet end of the splicing faucet body, and between the water inlet end and the water outlet end of adjacent splicing faucet bodies. The main protective cover is detachably arranged on the opening of the main embedded box, and the splicing protective cover is detachably arranged on the opening of the splicing embedded box. It is characterized in that: There are no sides on the splicing surfaces between the main embedded box and the splicing embedded box and between the splicing embedded boxes. Splicing structures for directly combining and splicing and fixing them are arranged at the splicing seams between the main embedded box and the splicing embedded box and between the splicing embedded boxes. Installation lugs are respectively arranged on the side surface of the main embedded box and the side surface of the splicing embedded box at the splicing end. Installation through holes are opened on the installation lugs. Installation strips for strengthening the splicing strength between the faucet bodies and at the same time strengthening the splicing strength between the box bodies are respectively fixedly arranged between the main control faucet body, the splicing faucet body and the bottom surfaces of the main embedded box and the splicing embedded box. The middle section of the installation strip is located on the splicing seam. Installation holes are opened at both ends of the installation strip. Threaded holes corresponding to the installation holes are opened on the main control faucet body and the splicing faucet body. Assembly parts for fixedly assembling the two are threadedly inserted into the installation holes and the threaded holes.

[0007] A further improvement is that: Assembly holes corresponding to the installation holes are opened on the main embedded box and the splicing embedded box. The inner diameter of the assembly holes is larger than the maximum outer diameter of the assembly parts.

[0008] A further improvement is that: The upper and lower sides of the installation strip are horizontally flipped towards the faucet body to form limiting pieces for restricting the up and down movement of the main control faucet body and the splicing faucet body. Plane parts for embedding the limiting pieces are opened on the main control faucet body and the splicing faucet body.

[0009] Further improvements are as follows: Fixed lugs are vertically arranged on the middle section of the limiting piece. The middle part of the fixed lugs is located on the splicing seam. First through holes are opened on both sides of the splicing seam on the fixed lugs. Fixed blocks for stably supporting the fixed lugs are arranged at the bottoms of the main embedded box and the splicing embedded box. Second through holes corresponding to the first through holes are opened on the fixed blocks. Fasteners are inserted through the first through holes and the second through holes.

[0010] Further improvements are as follows: The splicing structure includes splicing slots and splicing blocks arranged on both sides at the upper and lower ends of the splicing seam. The splicing slots and the splicing blocks are fixedly arranged on the main embedded box or the splicing embedded box along the direction perpendicular to the bottom of the box on both sides of the splicing seam. The notch of the splicing slot faces the splicing block. The inner wall of the splicing slot slopes inwards from the bottom of the slot towards the notch to form a first anti-disengagement slope. A second anti-disengagement slope that fits the first anti-disengagement slope is arranged on the side surface of the splicing block.

[0011] Further improvements are as follows: The connecting piece includes a first connecting head with a hollow interior, a second connecting head with a hollow interior, and a connecting sleeve. The first connecting head is threadedly screwed and fixedly arranged on the water outlet ends of the main control faucet body and the splicing faucet body. The second connecting head is threadedly screwed and fixedly arranged on the water inlet end of the splicing faucet body. A sealing socket is opened inwards from the connecting side end face of the first connecting head. A sealing plug is extended into the sealing socket from the connecting side end face of the second connecting head. A sealing member is arranged between the outer surface of the sealing plug and the inner surface of the sealing socket. The connecting sleeve is sleeved on the second connecting head. A first limiting boss for restricting the disengagement of the connecting sleeve is arranged on the outer surface of the connecting side of the second connecting head. A second limiting boss that interferes with the first limiting boss is arranged on the inner surface of the connecting sleeve on one side of the second connecting head. A connecting external thread is arranged on the connecting end of the first connecting head. A connecting internal thread that is screwed with the connecting external thread is opened on the inner surface of the connecting sleeve.

[0012] Further improvements are as follows: First locking holes are opened at the cover openings on the main protective cover and the splicing protective cover. Locking columns are respectively arranged in the main embedded box and the splicing embedded box. Second locking holes corresponding to the first locking holes are opened on the locking columns. Locking members are inserted through the first locking holes and the second locking holes.

[0013] Further improvements are as follows: One or two separating pieces that can separate from the embedded box to form connection ports for the water inlet joint or the water outlet joint to pass through are arranged on the side surfaces of the main embedded box and the splicing embedded box. Weakening grooves for weakening the connection strength with the main embedded box or the splicing embedded box are opened on the circumferences of the separating pieces.

[0014] Further improvement: An extending boss for increasing the installation stability of the water inlet joint or the water outlet joint is arranged on the inner wall of the main embedded box and the splicing embedded box at the connection port.

[0015] Further improvement: The mounting lug is integrally arranged at an angle with the main embedded box or the splicing embedded box. The mounting through hole is a long strip-shaped through hole, and the mounting through hole is opened along the length direction of the mounting lug.

[0016] By adopting the foregoing technical solutions, the beneficial effects of the present utility model are as follows:

[0017] In this case, no side surface is provided on the splicing surface of the main embedded box and the splicing embedded box, which facilitates the pre-assembly and connection of the main control faucet body and the splicing faucet body outside the embedded box and then the assembly with the embedded box, enabling the main control faucet body and the splicing faucet body to be assembled in a large space, which is beneficial to improving the assembly efficiency and combined splicing strength between the faucet bodies. Moreover, when repairing, replacing the faucet body or aging parts of the device, the embedded box and the wall body will not be damaged. The number of spliced embedded boxes and the number of spliced faucet bodies can be flexibly increased or decreased according to user needs. The main embedded box and the splicing embedded box are first assembled into a whole through a splicing structure that does not require tools to improve the combined splicing strength of the overall embedded box after combination splicing, and then the mounting lugs at both ends of the overall embedded box are used to fix it in the wall body to improve the installation efficiency of the installed shower device.

[0018] A further beneficial effect is that mounting strips are arranged between the main control faucet body, the splicing faucet body and the bottom surfaces of the main embedded box and the splicing embedded box. The mounting strips are fixedly installed between adjacent embedded boxes. The strength of the mounting strips themselves is used to increase the combined splicing strength of the embedded boxes to make up for the flat joint seams of the embedded boxes. At the same time, the main control faucet body and the splicing faucet body are also fixed on the mounting strips, and the faucet body, the mounting strips and the embedded boxes are fixed to each other to form a stable whole. When disassembling, repairing or replacing parts of the faucet body, the mounting strips are directly disassembled from the embedded box, and the faucet body is disassembled from the embedded box along with the mounting strips, which is beneficial to strengthening the strength of the disassembled splicing faucet as a whole, avoiding damage during the faucet disassembly process, and also being able to correct the straightness between the splicing faucet bodies after reassembly during repair, which is beneficial to improving the fitting accuracy and facilitating the assembly of the faucet body back into the embedded box and the reassembly with the water inlet and outlet joints.

[0019] A further beneficial effect is that the upper and lower sides of the mounting strip are horizontally flipped towards the faucet body to form limiting pieces that limit the up and down movement of the main control faucet body and the splicing faucet body and fit with the flat surface parts provided on the faucet body, which limits the up and down movement of the overall spliced faucet body and also provides a stable supporting force for the overall faucet body, improving the combined splicing strength of the overall installed concealed shower device.

[0020] A further beneficial effect is that adjacent embedded boxes are combined and connected through a splicing structure. The splicing slots and splicing blocks of the splicing structure can be directly inserted manually in the front-back direction, which is convenient to operate. There is no need to use bolts and operating tools, which is beneficial to improving the embedding efficiency of the shower device installation.

[0021] A further beneficial effect is that adjacent faucet bodies are assembled and connected through a connecting piece. The first connecting head and the second connecting head are threadedly connected and fixed to the adjacent faucet bodies. The connection between the first connecting head and the second connecting head is completed through the threaded connection between the connecting sleeve and the first connecting head, which is convenient to operate and beneficial to improving the assembly efficiency between the faucet bodies.

[0022] A further beneficial effect is that the main embedded box and the splicing embedded box are provided with extending bosses on the inner walls at the connection ports, which increases the contact area between the water inlet joint or the water outlet joint and the embedded box, and improves the installation stability of the water inlet joint or the water outlet joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional structural schematic diagram of a multi-module combined and spliced concealed shower device according to an embodiment of the present invention.

[0024] Figure 2 is a front-view structural schematic diagram of a multi-module combined and spliced concealed shower device according to an embodiment of the present invention.

[0025] Figure 3 is Figure 2 the internal structural schematic diagram along the direction of line A-A in

[0026] Figure 4 is Figure 2 the internal structural schematic diagram along the direction of line B-B in

[0027] Figure 5 is the internal structural schematic diagram of a multi-module combined and spliced concealed shower device according to an embodiment of the present invention after removing the main protective cover and the splicing protective cover.

[0028] Figure 6 is the setting structural schematic diagram of the installation strip in a multi-module combined and spliced concealed shower device according to an embodiment of the present invention.

[0029] Figure 7 is Figure 3 the enlarged partial structural diagram at C in DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Refer to Figures 1 to 7, what is disclosed in the embodiments of the present utility model is a concealed shower device with multi-module combined splicing, including a main embedded box 10, at least one splicing embedded box 11, a main control faucet body 12, a splicing faucet body 13, a main protective cover 14, and a splicing protective cover 15. The main embedded box 10 and the splicing embedded box 11 are made of plastic or corrosion-resistant metal, and the main protective cover 14 and the splicing cover are made of plastic. The main control faucet is fixedly arranged in the main embedded box 10, and water inlet joints 16 are respectively arranged and connected to the cold and hot water inlets of the main control faucet. The water inlet joints 16 penetrate through the upper side or the lower side or the bottom surface of the main embedded box 10. The splicing faucet body 13 is fixedly arranged in the splicing embedded box 11, and a water outlet joint 17 is arranged at the water outlet of the splicing faucet. The water outlet joint 17 penetrates through the upper side or the lower side of the splicing embedded box 11. In this embodiment, the structure of the main control faucet body 12 is prior art. Any faucet body in the market that can realize cold and hot water mixing and side water outlet meets the usage requirements. A specific faucet body that realizes cold and hot water combination and side water outlet is also given in the attached drawing description, so it will not be elaborated in detail here. In this embodiment, the structure of the splicing faucet body 13 is prior art. Any faucet or valve in the market that can realize water passage and single-control water outlet meets the usage requirements. A specific faucet body that realizes water passage and single-control water outlet is also given in the attached drawing description, so it will not be elaborated in detail here. The installation connection of the water inlet joints 16 and the water outlet joint 17 to the water inlets or water outlets of the faucet body is a conventional setting, so it will not be elaborated in detail here.

[0032] A connector is provided between the water outlet end of the main control faucet body 12 and the water inlet end of the spliced faucet body 13, and between the water inlet end and the water outlet end of adjacent spliced faucet bodies 13. The connector includes a first connector 18 with a hollow interior, a second connector 19 with a hollow interior, and a connecting sleeve 20. The first connector 18 is fixedly arranged on the water outlet ends of the main control faucet body 12 and the spliced faucet body 13 by threaded connection. The second connector 19 is fixedly arranged on the water inlet end of the spliced faucet body 13 by threaded connection. The first connector 18 is provided with a sealing socket 21 inwardly opened from the connection side end face. The second connector 19 is provided with a sealing plug 22 extending into the sealing socket 21 from the connection side end face. A sealing member is provided between the outer surface of the sealing plug 22 and the inner surface of the sealing socket 21. The connecting sleeve 20 is sleeved on the second connector 19. A first limiting boss 24 for restricting the connecting sleeve 20 from disengaging is provided on the outer surface of the connection side of the second connector 19. A second limiting boss 25 for interfering with the first limiting boss 24 to drive the second connector 19 to abut against the first connector 18 is provided on the inner surface of the connecting sleeve 20 on one side of the second connector 19. A connecting external thread 26 is provided on the connection end of the first connector 18. A connecting internal thread 27 for screwing with the connecting external thread 26 is provided on the inner surface of the connecting sleeve 20, so that the connecting sleeve 20 and the first connector 18 are firmly connected by threaded connection. The sealing member is a rubber sealing ring (not shown in the figure). The inner ring surface of the rubber sealing ring is embedded on the sealing plug 22, and the outer ring surface of the rubber sealing ring abuts against the inner surface of the sealing socket 21.

[0033] The main protective cover 14 is detachably installed on the opening of the main embedded box 10, and the splicing protective cover 15 is detachably installed on the opening of the splicing embedded box 11. A first locking hole 28 is formed at the cover opening on the main protective cover 14 and the splicing protective cover 15. Locking columns 29 are respectively arranged in the main embedded box 10 and the splicing embedded box 11. A second locking hole 30 corresponding to the first locking hole 28 is formed on the locking column 29. A locking member (not shown in the figure), which is a bolt, is inserted through the first locking hole 28 and the second locking hole 30. One or two detachment pieces 31 are arranged on the side surfaces of the main embedded box 10 and the splicing embedded box 11 at the splicing end. The detachment pieces 31 can be detached from the embedded box to form a connection port 33 for the water inlet joint 16 or the water outlet joint 17 to pass through. A weakening groove 32 for weakening the connection strength with the main embedded box 10 or the splicing embedded box 11 is formed on the periphery of the detachment piece 31. The detachment piece 31 is bent up and down along the weakening groove 32 to quickly remove the detachment piece 31 and expose the connection port 33. An extension boss 34 for increasing the installation stability of the water inlet joint 16 or the water outlet joint 17 is integrally arranged on the inner wall of the main embedded box 10 and the splicing embedded box 11 at the connection port 33. The extension boss 34 increases the contact area between the water inlet joint 16 or the water outlet joint 17 and the embedded box, and improves the installation stability of the water inlet joint 16 or the water outlet joint 17.

[0034] Installation lugs 35 are respectively arranged on the side surface of the main embedded box 10 and the side surface of the splicing embedded box 11 at the splicing end. The installation lugs 35 are integrally arranged with the main embedded box 10 or the splicing embedded box 11 at an angle. An installation through hole 36 is formed on the installation lug 35. The installation through hole 36 is a long strip-shaped through hole, and the installation through hole 36 is formed along the length direction of the installation lug 35.

[0035] On the splicing surface between the main embedded box 10 and the splicing embedded box 11 and on the splicing surface between the splicing embedded boxes 11, there are no sides provided. Splicing structures that enable them to be directly combined and spliced and fixed to each other without tools are provided at the splicing seams between the main embedded box 10 and the splicing embedded box 11 and between the splicing embedded boxes 11. The splicing structure includes splicing slots 37 and splicing blocks 38 provided on both sides at the upper and lower ends of the splicing seam. The splicing slots 37 and the splicing blocks 38 are integrally and fixedly provided on the main embedded box 10 or the splicing embedded box 11 along the direction perpendicular to the bottom of the box on both sides of the splicing seam. The notch of the splicing slot 37 faces the splicing block 38. The inner wall of the splicing slot 37 inclines and converges from the bottom of the slot to the notch to form a first anti-disengagement inclined surface 39. A second anti-disengagement inclined surface 40 that fits with the first anti-disengagement inclined surface 39 is provided on the side surface of the splicing block 38. The splicing slot 37 and the splicing block 38 are inserted into each other in the front-back direction. The first anti-disengagement inclined surface 39 and the second anti-disengagement inclined surface 40 are mutually fitted and restricted to firmly combine and splice the embedded boxes together, so that the assembled and spliced embedded boxes can be integrally fixed on the wall by fixing the installation lugs 35 at both ends of the embedded box, thereby improving the installation efficiency of the embedded box.

[0036] Between the bottom surfaces of the main control faucet body 12, the spliced faucet body 13 and the main embedded box 10, the spliced embedded box 11, there are respectively fixedly arranged mounting strips 41 for strengthening the splicing strength between the faucet bodies and at the same time strengthening the splicing strength between the box bodies. The material of the mounting strip 41 is metal or plastic. The middle section of the mounting strip 41 is located on the splicing seam. The upper and lower sides of the mounting strip 41 are horizontally flipped towards the faucet body to form limiting pieces 42 for restricting the up and down movement of the main control faucet body 12 and the spliced faucet body 13. The main control faucet body 12 and the spliced faucet body 13 are provided with flat portions 43 for the limiting pieces 42 to be embedded. A fixing lug 44 is integrally and vertically arranged on the middle section of the limiting piece 42. The middle part of the fixing lug 44 is located on the splicing seam. On both sides of the splicing seam on the fixing lug 44, there are first through holes 45. The bottom parts of the main embedded box 10 and the spliced embedded box 11 are integrally provided with fixing blocks 46 for stably supporting the fixing lug 44. The fixing blocks 46 are provided with second through holes (not shown in the figure) corresponding to the first through holes 45. A fastener (not shown in the figure) is passed through between the first through hole 45 and the second through hole. The fastener is a bolt. The mounting strip 41 is assembled on the embedded box through the bolt. The two ends of the mounting strip 41 are located in the middle of the embedded box, and the middle section is located on the splicing seam of the embedded box. The combined splicing strength between the embedded boxes is supplemented by the strength of the mounting strip 41 itself, so that the embedded boxes form a stable whole before being fixed on the wall. Mounting holes 47 are provided at the fixed ends of the mounting strip 41. The main control faucet body 12 and the spliced faucet body 13 are provided with threaded holes 49 corresponding to the mounting holes 47. An assembly part (not shown in the figure) for fixedly assembling the mounting strip and the faucet body is threadedly passed through the mounting hole and the threaded hole. The main embedded box and the spliced embedded box are provided with assembly holes 48 corresponding to the mounting holes. The inner diameter of the assembly hole is larger than the maximum outer diameter of the assembly part. The assembly part is a bolt. The tail of the bolt passes through the mounting hole 47 and is threadedly screwed into the threaded hole 49. The head of the bolt is hidden in the assembly hole 48 and abuts against the mounting strip 41, fixing the faucet body and the mounting strip 41 together, so that the mounting strip 41 can increase the connection strength between the faucet bodies by its own strength.

[0037] A usage method of a multi-module combined and spliced concealed shower device:

[0038] According to the number requirements of consumers for the outlets of the shower system, connect and install the corresponding number of spliced faucet bodies 13 on the main control faucet body 12, and correspondingly combine and splice the main control embedded box and the spliced embedded box 11. One spliced embedded box 11 can accommodate one or two or three spliced faucet bodies 13. First, assemble the installation strip 41 onto the embedded box, then remove the detachment piece 31 at the outlet of the corresponding spliced faucet body 13, seal the water outlet end that does not participate in the connection on the faucet body with a plug, insert the faucet body into the installation strip 41, and make the flat part on the faucet body fit with the limiting piece 42 of the installation strip 41 to limit the up and down movement of the faucet body. Align the threaded hole 49 on the faucet body with the assembly hole 48 on the installation strip 41 and the embedded box, and fix the faucet body and the installation strip 41 into a whole through bolts, indirectly forming a fixed whole of the faucet body, the installation strip, and the embedded box. Assemble the water inlet joint 16 and the water outlet joint 17 onto the water inlet and water outlet of the faucet body and connect them to the external pipeline, and then horizontally fix the whole embedded box on the wall through the installation lug 35 and the installation through hole 36. After the wall decoration is complete, remove the protective cover, and continue to assemble the other components of the shower faucet completely. An electromagnetic valve core, an electronic control board, a touch screen panel, etc. can be assembled to form an electronically controlled shower faucet, or a traditional valve core, a handwheel, a panel, etc. can be assembled to form a manually controlled shower faucet.

[0039] Based on the above usage method, it is also possible to first fix the faucet body and the installation strip into a whole, and then fix the installation strip in the embedded box.

[0040] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and explanations only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A concealed shower device with multi-module combined splicing, comprising a main embedded box, at least one splicing embedded box, a main control faucet body, a splicing faucet body, a main protective cover, and a splicing protective cover. The main control faucet is fixedly arranged in the main embedded box. Water inlet joints are respectively connected to the cold and hot water inlets of the main control faucet, and the water inlet joints penetrate through the upper side or the lower side or the bottom surface of the main embedded box. The splicing faucet body is fixedly arranged in the splicing embedded box, and a water outlet joint is arranged at the water outlet of the splicing faucet. The water outlet joint penetrates through the upper side or the lower side of the splicing embedded box. Connecting pieces are arranged between the water outlet end of the main control faucet body and the water inlet end of the splicing faucet body and between the water inlet end and the water outlet end of adjacent splicing faucet bodies. The main protective cover is detachably arranged at the opening of the main embedded box, and the splicing protective cover is detachably arranged at the opening of the splicing embedded box. It is characterized in that: There are no sides provided on the splicing surfaces between the main embedded box and the splicing embedded box, and between the splicing embedded boxes. Splicing structures for directly combining and splicing them together are provided at the splicing seams between the main embedded box and the splicing embedded box, and between the splicing embedded boxes. Mounting lugs are respectively provided on the side of the main embedded box and the side of the splicing embedded box at the splicing end. Mounting through holes are provided in the mounting lugs. Mounting strips for strengthening the splicing strength between the faucet bodies and at the same time strengthening the splicing strength between the boxes are respectively fixedly provided between the main control faucet body, the splicing faucet body and the bottom surfaces of the main embedded box and the splicing embedded box. The middle section of the mounting strip is located on the splicing seam. Mounting holes are provided at both ends of the mounting strip. Threaded holes corresponding to the mounting holes are provided on the main control faucet body and the splicing faucet body. An assembly member for fixedly assembling the two is threadedly inserted into the mounting hole and the threaded hole.

2. The concealed shower device with multi-module combined splicing according to claim 1, characterized in that: Assembly holes corresponding to the mounting holes are provided on the main embedded box and the splicing embedded box. The inner diameter of the assembly hole is larger than the maximum outer diameter of the assembly member.

3. The concealed shower device assembled by multi-module combination according to claim 1 or 2, characterized in that: The upper and lower sides of the mounting strip are horizontally flipped towards the faucet body to form limiting pieces for restricting the up and down movement of the main control faucet body and the splicing faucet body. Plane portions for embedding the limiting pieces are provided on the main control faucet body and the splicing faucet body.

4. The concealed shower device with multi-module combined splicing according to claim 3, characterized in that: A fixing lug is vertically provided in the middle section of the limiting piece. The middle part of the fixing lug is located on the splicing seam. First through holes are provided on both sides of the splicing seam on the fixing lug. Fixing blocks for stably supporting the fixing lug are provided at the bottom of the main embedded box and the splicing embedded box. Second through holes corresponding to the first through holes are provided on the fixing blocks. Fasteners are inserted between the first through hole and the second through hole.

5. A concealed shower device with multi-module combined splicing according to claim 1, characterized in that: The splicing structure includes splicing slots and splicing blocks provided on both sides at the upper and lower ends of the splicing seam. The splicing slots and the splicing blocks are fixedly provided on the main embedded box or the splicing embedded box along the direction perpendicular to the bottom of the box on both sides of the splicing seam. The notch of the splicing slot faces the splicing block. The inner wall of the splicing slot slopes and tapers from the bottom of the slot towards the notch to form a first anti - detachment inclined surface. A second anti - detachment inclined surface that fits the first anti - detachment inclined surface is provided on the side of the splicing block.

6. The concealed shower device assembled by multi-module combination according to claim 1, characterized in that: The connecting piece includes a first connecting head with a hollow interior, a second connecting head with a hollow interior, and a connecting sleeve. The first connecting head is threadedly and fixedly arranged on the water outlet ends of the main control faucet body and the spliced faucet body. The second connecting head is threadedly and fixedly arranged on the water inlet end of the spliced faucet body. The first connecting head is provided with a sealing socket opening inward from the connecting side end face. The second connecting head is provided with a sealing plug extending into the sealing socket from the connecting side end face. A sealing member is arranged between the outer surface of the sealing plug and the inner surface of the sealing socket. The connecting sleeve is sleeved on the second connecting head. The outer surface of the connecting side of the second connecting head is provided with a first limiting boss for restricting the disengagement of the connecting sleeve. The inner surface of the connecting sleeve on one side of the second connecting head is provided with a second limiting boss interfering with the first limiting boss. The connecting end of the first connecting head is provided with an external connecting thread, and the inner surface of the connecting sleeve is provided with an internal connecting thread screwed with the external connecting thread.

7. A concealed shower device with multi-module combined splicing according to claim 1, characterized in that: The main protective cover and the spliced protective cover are provided with first locking holes at the cover openings. Locking columns are respectively arranged in the main embedded box and the spliced embedded box. Second locking holes corresponding to the first locking holes are provided on the locking columns. A locking member is inserted through the first locking holes and the second locking holes.

8. A concealed shower device with multi-module combined splicing according to claim 1, characterized in that: One or two separating pieces for separating from the embedded box to form a connection port for the water inlet joint or the water outlet joint to pass through are arranged on the side surfaces of the main embedded box and the spliced embedded box. A weakening groove for weakening the connection strength with the main embedded box or the spliced embedded box is provided on the periphery of the separating piece.

9. The recessed shower device with multi-module combined splicing according to claim 8, characterized in that: Extension bosses for increasing the installation stability of the water inlet joint or the water outlet joint are arranged on the inner walls of the main embedded box and the spliced embedded box at the connection port.

10. A concealed shower device with multi-module combined splicing according to claim 1, characterized in that: The installation lug is integrally arranged at an angle with the main embedded box or the spliced embedded box. The installation through hole is a long strip-shaped through hole, and the installation through hole is arranged along the length direction of the installation lug.

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