A connection assembly for deck faucet installation and method of installation

Abstract

The present application relates to the technical field of kitchen and bathroom sink hardware, and provides a connecting assembly and mounting method for fixing a countertop faucet, comprising: a fixing seat comprising a fixing sleeve and a sleeve edge; a riveting-thread coupling piece comprising a first connecting piece and a second connecting piece; the first connecting piece has a riveting portion and a first threaded connecting portion, and the riveting portion is used to be fixed with the countertop; the second connecting piece has a second threaded connecting portion used to be matched with the first threaded connecting portion to fasten the sleeve edge on the countertop; a connecting sleeve having a certain length, one end of which is used to be embedded in the fixing seat, and the other end of which is used to be detachably connected with the faucet; and a fastener radially penetrating the fixing seat and tightly abutting against the connecting sleeve to fix the connecting sleeve; during assembly, all operations can be performed on the countertop, and the entire assembly process does not require the installer to operate under the countertop, so that the faucet can be conveniently installed and is not limited by the narrow space under the countertop, thereby reducing the operation difficulty.

Description

Technical Field

[0001] This invention relates to the field of kitchen and bathroom sink hardware technology, specifically to a connecting component and installation method for fixing a countertop faucet. Background Technology

[0002] In most kitchen and bathroom sinks, faucets are installed using several bolts and nuts (usually three) to secure the faucet base to the top and bottom of the countertop. One base is located under the countertop (with a mounting hole for the water pipe). During installation, bolts are passed through the mounting hole, and then nuts are tightened to clamp the upper and lower bases to the countertop, achieving a secure fit. Because all bolts pass through the same relatively large mounting hole, at least one bolt must be installed first for pre-fixing. After pre-fixing, the base position is fine-tuned before tightening. This process, where bolts are inserted into the countertop from top to bottom, requires an operator to enter from under the countertop to tighten the nuts for pre-fixing. After pre-fixing, the base must be observed and adjusted from above to prevent misalignment, sometimes requiring manual adjustment, which is quite inconvenient.

[0003] In addition, some kitchen and bathroom sinks have faucets that connect to both hot and cold water, requiring a larger diameter faucet base to accommodate two water pipes. This design necessitates drilling larger diameter holes in the countertop to install the faucet, and consequently, more bolts and nuts are needed to secure the base for increased stability. As the number of bolts and nuts increases (e.g., from three to four), it inevitably increases the workload and time required for installation.

[0004] In some confined spaces, the above installation method has several shortcomings. The limited space beneath the faucet mounting surface makes it difficult for installers to operate; secondly, the low visibility and the need for small tools make the installation inconvenient, time-consuming, and labor-intensive; furthermore, there is a possibility of loosening after installation.

[0005] Therefore, it is necessary to develop a connecting component and installation method for fixing countertop faucets to solve the problem of inconvenient installation. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to overcome the defects of the above-mentioned existing countertop faucets that are inconvenient to install, and to provide a connecting component and installation method for fixing countertop faucets, which can facilitate installation.

[0007] To achieve the above objectives, the present invention provides a first aspect through the following technical solution: a connecting assembly for fixing a countertop faucet, which is disposed on the countertop of a sink to fix the faucet during use, comprising:

[0008] The fixing base includes a fixing sleeve for being embedded in a through hole in the table surface and a sleeve edge disposed on the fixing sleeve for fitting against the table surface;

[0009] A riveted-threaded connector includes a first connector and a second connector; the first connector has a riveting portion and a first threaded connection portion, the riveting portion being used to fix the surface to the table; the second connector has a second threaded connection portion adapted to the first threaded connection portion for fastening the sleeve edge to the table.

[0010] A connecting sleeve, having a certain length, has one end for embedding within the fixing base and the other end for detachable connection to the faucet; and,

[0011] Fasteners are radially inserted into the fixing seat and abut against the connecting sleeve to secure the connecting sleeve.

[0012] A further preferred embodiment of the present invention is as follows: the first connecting member is a rivet nut, and the second connecting member is a bolt; when fixing the sleeve edge, the bolt passes through the sleeve edge and is fastened to the rivet nut.

[0013] A further preferred embodiment of the present invention is as follows: the first connecting member is a rivet stud, and the second connecting member is a nut; when fixing the sleeve edge, the rivet stud passes through the sleeve edge and is fastened to the nut.

[0014] A further preferred embodiment of the present invention is that the sleeve edge has a certain thickness to increase strength, and the sleeve edge is provided with mounting holes in the thickness direction for accommodating and allowing the riveting-threaded connector to pass through.

[0015] A further preferred embodiment of the present invention is as follows: the sleeve edge is arranged around the fixed sleeve, a first sealing sleeve is provided between the sleeve edge and the platform, and the bottom surface of the sleeve edge is provided with an installation groove for accommodating the first sealing sleeve.

[0016] A further preferred embodiment of the present invention is as follows: the opening diameters at both ends of the fixing sleeve are larger at one end and smaller at the other, with the larger end located on the side closer to the edge of the sleeve; one end of the connecting sleeve is a variable diameter section and is adapted to the fixing sleeve.

[0017] A further preferred embodiment of the present invention is as follows: the variable diameter section at one end of the connecting sleeve includes a forward variable diameter section and a reverse variable diameter section, the forward variable diameter section being matched with the inner wall of the fixed sleeve; the fastener is radially inserted through the edge of the sleeve and abuts against the reverse variable diameter section to fix the connecting sleeve.

[0018] A further preferred embodiment of the present invention is as follows: the fastener is a set screw, which is threadedly connected to the sleeve edge; a tapered surface is provided at the end of the set screw for contacting the reverse diameter section.

[0019] A further preferred embodiment of the present invention is that the other end of the connecting sleeve is threadedly fastened to the faucet.

[0020] A further preferred embodiment of the present invention includes a sealing nut for fitting onto the other end of the connecting sleeve to prevent the faucet from loosening.

[0021] A further preferred embodiment of the present invention includes a second sealing ring for placement between the sealing nut and the sleeve edge.

[0022] A further preferred embodiment of the present invention includes a limiting block for fixing hot and cold water pipes, the limiting block being disposed between the connecting sleeve and the faucet; when the connecting sleeve and the faucet are fastened, the periphery of the limiting block is fixed between the connecting sleeve and the faucet, and the limiting block is provided with an allowance opening for the hot and cold water pipes to pass through.

[0023] A further preferred embodiment of the present invention includes a decorative cover; the decorative cover is fitted over the connecting sleeve and covers the surface of the sleeve edge.

[0024] In a second aspect, the present invention also provides a method for installing the connecting assembly for fixing a countertop faucet as described in the first aspect, comprising the following steps:

[0025] The fixing sleeve is embedded in the through hole of the tabletop, so that the bottom edge of the sleeve fits against the tabletop.

[0026] Place the second connector on the top edge of the sleeve and thread it to the first connector pre-embedded in the platform to fix the sleeve edge;

[0027] Pass the water pipe under the countertop through the fixing sleeve and the connecting sleeve in sequence, and then connect it to the water inlet at the bottom of the faucet;

[0028] After connecting the upper end of the connecting sleeve to the faucet, embed the lower end of the connecting sleeve into the fixing sleeve and adjust the horizontal angle of the faucet.

[0029] Insert the fastener from the side of the fixed base and press the end of the fastener firmly against the connecting sleeve.

[0030] In summary, the present invention has the following beneficial effects: by using parts such as a fixed base, a riveted-threaded connecting sleeve, and fasteners, assembly can be performed on the tabletop. The entire assembly process does not require installers to enter under the tabletop, thus not only facilitating installation but also overcoming the limitations of the narrow space under the tabletop, reducing the difficulty of operation. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the installation of the connecting component described in Embodiment 1 on the table.

[0032] Figure 2 This is an exploded view of the faucet and connecting components described in Embodiment 1.

[0033] Figure 3 This is an exploded view of the fixing seat and riveting-threaded connector described in Embodiment 1.

[0034] Figure 4 This is a cross-sectional view of the connecting assembly described in Embodiment 1 along the axial direction of the fastener in the assembled state.

[0035] Figure 5 yes Figure 4 Enlarged view of point A in the middle.

[0036] Figure 6 yes Figure 4 Enlarged view of point B in the middle.

[0037] Figure 7 and Figure 8 These are schematic diagrams showing the state of the connecting sleeve and the fixing seat before and after installation, respectively, in Embodiment 2.

[0038] Among them: 100, faucet; 110, water pipe; 200, countertop; 210, through hole; 300, fixing base; 310, fixing sleeve; 320, sleeve edge; 321, mounting hole; 322, mounting groove; 323, screw hole; 330, decorative cover; 400, connecting sleeve; 410, forward diameter reducing section; 420, reverse diameter reducing section; 510, rivet nut; 520, bolt; 610, first sealing sleeve; 620, second sealing ring; 700, set screw; 800, sealing nut; 900, limit block; 910, clearance opening. Detailed Implementation

[0039] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0040] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0041] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of the invention described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0042] Example 1:

[0043] like Figure 1-3 As shown in the figure, this embodiment illustrates a connecting assembly for fixing a countertop faucet 100. The connecting assembly is disposed on the countertop 200 of the sink to fix the faucet 100. The connecting assembly mainly includes a fixing base 300, a riveted-threaded connector, a connecting sleeve 400, and fasteners.

[0044] The fixing base 300 includes a fixing sleeve 310 for being embedded in the through hole 210 of the table surface 200, and a sleeve edge 320 disposed on the fixing sleeve 310 for fitting against the table surface 200. The fixing sleeve 310 is circular, and the sleeve edge 320 is integrally formed with one end of the fixing sleeve 310.

[0045] The riveting-threaded connector includes a first connector and a second connector. The first connector has a riveting portion and a first threaded connection portion, the riveting portion being used to fix it to the platform 200. During fixing, a hole is pre-drilled in the platform 200 using a tool such as an electric drill, the diameter of which must be adapted to the riveting portion. Correspondingly, the second connector has a second threaded connection portion adapted to the first threaded connection portion for fastening the sleeve edge 320 to the platform 200.

[0046] The connecting sleeve 400 has a certain length so that its lower end is embedded in the fixing seat 300, and its upper end has enough length to be detachably connected to the faucet 100.

[0047] A faucet 100 is connected to the upper end of the connecting sleeve 400, and the lower end is embedded in the fixing seat 300. The fastener is radially inserted into the fixing seat 300 and abuts against the lower end of the connecting sleeve 400 (see...). Figure 4 and 6 This will secure the connecting sleeve 400 and prevent it from coming off.

[0048] By employing components such as the fixing base 300, the riveted-threaded connecting sleeve 400, and fasteners, assembly can be performed on the tabletop 200. The entire assembly process does not require installers to enter below the tabletop 200, thus not only facilitating installation but also overcoming the limitations of the confined space below the tabletop 200, reducing operational difficulty. The invention will be further described below with reference to specific embodiments.

[0049] See Figure 4-6 In this embodiment, the first connecting member is a rivet nut 510, and the second connecting member is a bolt 520 adapted to the rivet nut 510. When fixing the sleeve edge 320, the bolt 520 passes through the sleeve edge 320 and is fastened to the rivet nut 510.

[0050] It should be noted that, in another alternative embodiment, the first connecting member can also be a rivet stud, and correspondingly, the second connecting member is a nut adapted to the rivet stud. When fixing the sleeve edge 320, the rivet stud passes through the sleeve edge 320 and is fastened to the nut. The fixing seat 300 can also be fixed by the rivet stud and the nut.

[0051] In this embodiment, the sleeve edge 320 is an annular edge that surrounds the fixing sleeve 310. The annular edge has a certain thickness (i.e., in the axial direction of the fixing sleeve 310) to increase strength, and the sleeve edge 320 is provided with mounting holes 321 in the thickness direction for accommodating and allowing the riveted-threaded connector to pass through.

[0052] It should be noted that, in another alternative, the sleeve edge 320 can also adopt side ears, the number of which is set according to the number of riveted-threaded connectors. If there are two riveted-threaded connectors, a pair of opposite and symmetrically arranged side ears are provided. If there are three or more riveted-threaded connectors, a corresponding number of side ears are provided, and the side ears are evenly distributed around the circumference of the outer wall of the fixing sleeve 310. The mounting hole 321 is formed on the side ears. In addition to using the mounting hole 321 to accommodate the riveted-threaded connector, a slot, i.e., half of the mounting hole 321, can also be used, which will not be described in detail here.

[0053] During daily use, dirty water will inevitably flow onto the countertop 200, and there is a certain chance that it will seep into the gap between the edge 320 and the countertop 200. This is not only inconvenient to clean, but also easy to breed bacteria, and may even seep into the area below the countertop 200 through the gap.

[0054] To avoid this situation, a first sealing sleeve 610 is provided between the sleeve edge 320 and the table surface 200. When the sleeve edge 320 is fastened to the table surface 200 by the riveted threaded connector, the first sealing sleeve 610 between the sleeve edge 320 and the table surface 200 can be pressed tightly, thereby achieving a sealing and waterproofing effect.

[0055] Furthermore, to prevent the first sealing sleeve 610 from shifting, a mounting groove 322 for accommodating the first sealing sleeve 610 is provided on the bottom surface of the sleeve edge 320. The thickness of the first sealing sleeve 610 is slightly greater than the depth of the mounting groove 322. This ensures that after the first sealing sleeve 610 is inserted into the mounting groove 322, a portion protrudes from the groove opening, so that the deformation pressure of the first sealing sleeve 610 after compression can increase the sealing effect.

[0056] To enhance aesthetics and cleanliness, and to prevent the mounting hole 321 and the riveted-threaded connector therein from being exposed, as well as to prevent water from entering the mounting hole 321, the connecting assembly in this embodiment also includes an annular decorative cover 330. The decorative cover 330 is fitted over the connecting sleeve 400 and covers the surface of the sleeve edge 320, preventing the mounting hole 321 from being exposed.

[0057] Specifically, an external thread is provided on the side wall of the sleeve edge 320, and the decorative cover 330 has a lower edge, the inner wall of which is provided with an internal thread, so that the decorative cover 330 can be screwed onto the sleeve edge 320.

[0058] In this embodiment, the connecting sleeve 400 is placed vertically, and its upper end is threadedly fastened to the faucet 100. Threaded fastening is simple and reliable. Specifically, the inner wall of the bottom of the faucet 100 has an internal thread, and the outer wall of the upper end of the connecting sleeve 400 has an external thread. The inner diameter of the faucet 100 is larger than the outer diameter of the connecting sleeve 400. During installation, the upper end of the connecting sleeve 400 is inserted into the inner wall of the bottom of the faucet 100 and then tightened. This design ensures that the gap between the faucet 100 and the connecting sleeve 400 faces downwards, preventing water from entering.

[0059] It should be noted that, in another alternative implementation, a connecting sleeve 400 can be fitted onto the bottom of the faucet 100, with the two using an interference fit, which will not be described in detail here.

[0060] During long-term use, the connection between the bottom of the faucet 100 and the connecting sleeve 400 may become loose. To reduce the possibility of the faucet 100 becoming loose, this embodiment also includes a sealing nut 800 for fitting onto the upper end of the connecting sleeve 400. The sealing nut 800 increases the reliability of the connection between the faucet 100 and the connecting sleeve 400.

[0061] Furthermore, a recessed annular step is provided on the upper end face of the sealing nut 800. The diameter of the annular step is the same as the outer wall diameter of the bottom of the faucet 100, so that the bottom of the faucet 100 can be positioned on the annular step.

[0062] To prevent water from entering the gap between the connecting sleeve 400 and the fixing sleeve 310, in this embodiment, the connecting assembly also includes a second sealing ring 620 for placement between the sealing nut 800 and the sleeve edge 320.

[0063] To further enhance the sealing effect, an annular groove is provided on the lower end face of the sealing nut 800 to accommodate the upper part of the second sealing ring 620. In this embodiment, the second sealing ring 620 adopts a three-stage stepped structure, wherein the uppermost stage is adapted to the annular groove, the second stage is tightly fitted to the lower end face of the sealing nut 800, and the third stage has the largest area, which can cover the mounting hole 321 on the sleeve edge 320. After the decorative cover 330 is installed, the decorative cover 330 can be tightly fitted with the third stage to achieve a waterproof seal.

[0064] Since the faucet 100 uses both hot and cold water pipes 110, to prevent the pipes 110 from loosening, the connecting assembly in this embodiment also includes a limiting block 900 for fixing the hot and cold water pipes 110. The limiting block 900 is located between the connecting sleeve 400 and the faucet 100. When the connecting sleeve 400 and the faucet 100 are tightened, the periphery of the limiting block 900 is fixed between the connecting sleeve 400 and the faucet 100. The limiting block 900 is provided with a clearance opening 910 for the hot and cold water pipes 110 to pass through.

[0065] Specifically, the limiting block 900 in this embodiment is composed of a left half and a right half spliced ​​together. The right half and the right half are congruent semicircles, and a semicircular notch is provided on the mating surface between the two. When the two are mated, the clearance opening 910 is formed.

[0066] It should be noted that in another alternative, the limiting block 900 can be a one-piece molded structure, with the clearance opening 910 consisting of two circular holes of the same diameter as the water pipe 110. When installing this type of limiting block 900, the connector at the end of the water pipe 110 needs to be removed, and then the water pipe 110 is passed through the circular holes. Generally, the limiting block 900 uses an elastic component, such as rubber, to accommodate water pipes 110 of different diameters within a certain range.

[0067] A radial screw hole 323 is provided on the outer side wall of the sleeve edge 320. The screw hole 323 penetrates one side wall of the sleeve edge 320 to allow the fastener to be installed. The fastener is a set screw 700. By screwing the set screw 700 into the screw hole 323, its end is pressed against the lower end of the connecting sleeve 400. The connecting sleeve 400 and the set screw 700 are fixed by static friction.

[0068] It should be noted that, in another alternative, the fastener may be a pin, with a pin hole provided at the lower end of the connecting sleeve 400. After the connecting sleeve 400 is inserted into the fixing sleeve 310 to a specified depth, the pin is inserted laterally to insert the pin into the pin hole for tight fitting.

[0069] Of course, the pin hole can be designed to be elongated, with the elongated pin hole extending circumferentially along the surface of the connecting sleeve 400 so that the position of the connecting sleeve 400 can be adjusted circumferentially.

[0070] Example 2:

[0071] like Figure 7 and 8 As shown in the illustration, this embodiment demonstrates another implementation of the connecting sleeve 400 and the fixing sleeve 310. In this embodiment, the opening diameters at both ends of the fixing sleeve 310 are larger at one end and smaller at the other, with the larger end located near the sleeve edge 320. That is, the radial cross-section of the fixing sleeve 310 is a trapezoid that is wider at the top and narrower at the bottom. Correspondingly, one end of the connecting sleeve 400 is a variable diameter section that is adapted to fit the fixing sleeve 310.

[0072] Specifically, the variable diameter section at one end of the connecting sleeve 400 includes a forward variable diameter section 410 and a reverse variable diameter section 420, wherein the forward variable diameter section 410 matches the inner wall of the fixing sleeve 310. The fastener is radially inserted through the sleeve edge 320 and abuts against the reverse variable diameter section 420 to fix the connecting sleeve 400.

[0073] More specifically, the fastener is a set screw 700, which is threaded to the sleeve edge 320, and the end of the set screw 700 is provided with a tapered surface for contacting the reverse diameter section 420.

[0074] Example 3:

[0075] The present invention also provides an installation method for the connecting component for fixing the faucet 100 on the countertop 200 as described in the above embodiments, which mainly includes the following steps.

[0076] S1: Embed the fixing sleeve 310 into the through hole 210 of the table surface 200, so that the lower part of the sleeve edge 320 fits against the table surface 200.

[0077] S2: Place the second connector on the top of the sleeve edge 320 and thread it to the first connector pre-embedded in the table 200 to fix the sleeve edge 320.

[0078] S3: Pass the water pipe 110 under the countertop 200 through the fixing sleeve 310, decorative cover 330, connecting sleeve 400 and sealing nut 800 in sequence, and then connect it to the water inlet at the bottom of the faucet 100.

[0079] S4: After connecting the upper end of the connecting sleeve 400 to the sealing nut 800 and the faucet 100 in sequence, embed the lower end of the connecting sleeve 400 into the fixing sleeve 310 and adjust the horizontal angle of the faucet 100.

[0080] S5: Insert the fastener from the side of the fixing seat 300 and make the end of the fastener press against the connecting sleeve 400, and finally cover the decorative cover 330.

[0081] If the connecting component used by the user to fix the faucet 100 to the countertop 200 is purchased separately and not sold as part of the countertop 200, then the first connector is not pre-embedded in the countertop 200. Before proceeding to step S1, holes need to be drilled around the through hole 210 using an electric drill, and then the first connector needs to be installed into the drilled holes using a special rivet gun.

Claims

1. A connecting assembly for fixing a countertop faucet, which is disposed on the countertop of a sink to fix the faucet during use, characterized in that, include: The fixing base includes a fixing sleeve for being embedded in a through hole in the table surface and a sleeve edge disposed on the fixing sleeve for fitting against the table surface; A riveted-threaded connector includes a first connector and a second connector; the first connector has a riveting portion and a first threaded connection portion, the riveting portion being used to fix the surface to the table; the second connector has a second threaded connection portion adapted to the first threaded connection portion for fastening the sleeve edge to the table. The connecting sleeve has a certain length, one end of which is used to be embedded in the fixed base, and the other end is used to be detachably connected to the faucet; as well as, Fasteners are radially inserted into the fixing seat and abut against the connecting sleeve to fix the connecting sleeve; The first connecting component is a rivet nut, and the second connecting component is a bolt; when fixing the sleeve edge, the bolt passes through the sleeve edge and is fastened to the rivet nut; The opening diameters at both ends of the fixing sleeve are larger at one end and smaller at the other, with the larger end located on the side closer to the edge of the sleeve; one end of the connecting sleeve is a variable diameter section that is adapted to the fixing sleeve. The variable diameter section at one end of the connecting sleeve includes a forward variable diameter section and a reverse variable diameter section. The forward variable diameter section matches the inner wall of the fixed sleeve. The fastener is radially inserted through the edge of the sleeve and abuts against the reverse variable diameter section to fix the connecting sleeve.

2. The connecting assembly for fixing a countertop faucet according to claim 1, characterized in that, The first connecting member is a rivet stud, and the second connecting member is a nut; when fixing the sleeve edge, the rivet stud passes through the sleeve edge and is fastened to the nut.

3. The connecting assembly for fixing a countertop faucet according to claim 1, characterized in that, The sleeve edge has a certain thickness to increase strength, and the sleeve edge is provided with mounting holes in the thickness direction for accommodating and allowing the riveted-threaded connector to pass through.

4. The connecting assembly for fixing a countertop faucet according to claim 1, characterized in that, The sleeve edge is arranged around the fixed sleeve, and a first sealing sleeve is provided between the sleeve edge and the platform. The bottom surface of the sleeve edge is provided with an installation groove for accommodating the first sealing sleeve.

5. The connecting assembly for fixing a countertop faucet according to claim 1, characterized in that, The fastener is a set screw, which is threaded to the sleeve edge; the end of the set screw is provided with a tapered surface for contacting the reverse diameter section.

6. The connecting assembly for fixing a countertop faucet according to claim 1, characterized in that, The other end of the connecting sleeve is threadedly fastened to the faucet.

7. The connecting assembly for fixing a countertop faucet according to claim 1, characterized in that, It also includes a sealing nut for fitting onto the other end of the connecting sleeve to prevent the faucet from loosening.

8. The connecting assembly for fixing a countertop faucet according to claim 7, characterized in that, It also includes a second sealing ring for placement between the sealing nut and the sleeve edge.

9. The connecting assembly for fixing a countertop faucet according to claim 1, characterized in that, It also includes a limiting block for fixing hot and cold water pipes, the limiting block being disposed between the connecting sleeve and the faucet; when the connecting sleeve and the faucet are fastened, the periphery of the limiting block is fixed between the connecting sleeve and the faucet, and the limiting block is provided with a clearance opening for the hot and cold water pipes to pass through.

10. The connecting assembly for fixing a countertop faucet according to claim 1, characterized in that, It also includes a decorative cover; the decorative cover is fitted over the connecting sleeve and covers the surface of the sleeve edge.

11. A method for installing the connecting assembly for fixing a countertop faucet as described in any one of claims 1-10, characterized in that, Includes the following steps: The fixing sleeve is embedded in the through hole of the tabletop, so that the bottom edge of the sleeve fits against the tabletop. Place the second connector on the top edge of the sleeve and thread it to the first connector pre-embedded in the platform to fix the sleeve edge; Pass the water pipe under the countertop through the fixing sleeve and the connecting sleeve in sequence, and then connect it to the water inlet at the bottom of the faucet; After connecting the upper end of the connecting sleeve to the faucet, embed the lower end of the connecting sleeve into the fixing sleeve and adjust the horizontal angle of the faucet. Insert the fastener from the side of the mounting base and press the end of the fastener firmly against the connecting sleeve.

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