Bathroom waterproof chassis drainage connector
By designing a drainage connection piece that forms a flange structure with the waterproof bottom plate, and using tapered countersunk self-tapping screws and auxiliary mounting parts, the problem of the waterproof bottom plate being unable to open arbitrarily during construction and insufficient sealing performance is solved, achieving efficient drainage and cost reduction effects.
Patent Information
- Application Number
- CN202111233366.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-10-22
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2041-10-22
AI Technical Summary
In the construction of prefabricated integrated bathrooms, the connecting pipe fittings under the waterproof base occupy a height space, pose a potential water leakage, and cannot open holes at will, resulting in the need of lowering or lifting the floor of the building structure.
A bathroom waterproof chassis drainage connection is designed, and a flange structure is formed with the waterproof base plate, and a corrosion-resistant conical countersunk self-tapping screw is used to seal and fix it to ensure that water does not leak, and it is detachable and fixed through auxiliary mounting parts to reduce the installation height.
It solves the problem that waterproof bottom plate cannot be opened at will during construction, reduces cost investment, improves market competitiveness, avoids the phenomenon that the floor of building structures needs to be lowered or raised, and ensures the sealing of the waterproof bottom plate.
Smart Images

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Abstract
Description
Technical Field
[0001] The invention relates to the field of connecting pipes, in particular to a bathroom waterproof chassis drainage connecting piece. Background Art
[0002] During the construction of prefabricated bathrooms, vertical holes need to be opened in the bathrooms for drainage. Pipes are used to connect the drainage horizontal pipes and vertical pipes under the waterproof floor. The laying of the connecting pipes under the waterproof floor will occupy a certain height space. The vertical holes will have the risk of water leakage on the one hand, and on the other hand, they will occupy the height space of the building, resulting in the need to lower or raise the floor of the building structure.
[0003] The waterproof base plates currently on the market are molded at high temperatures using a heat-conducting press. After the waterproof base plates leave the factory, the reserved holes for the floor drains are already fixed in position and cannot be adjusted according to actual conditions. In order to reduce the height of water accumulation on the structural floor, the reserved holes will be pressed down to a certain depth. For example, a "bathroom base plate for integrated bathrooms" disclosed in Chinese patent literature, with a publication number of CN110847326A, includes a plate body, and the plate body is respectively provided with external connecting pipes corresponding to the wash basin area, the bathing area, and the toilet area. This method has many requirements for mold size specifications, and holes cannot be opened arbitrarily at the installation site. In addition, the mold cost is relatively high, and it is impossible to re-customize the mold for small batches of waterproof base plates.
[0004] The present invention will solve the following problems:
[0005] A. The present invention enables the connecting pipe to form a flange structure with the waterproof bottom plate, and the waterproof bottom plate does not need to be recessed during production, while ensuring that water does not leak;
[0006] B. Solve the problem that the waterproof base plate cannot be opened randomly during construction or multiple molds are required to meet the construction needs and cost issues;
[0007] C. Solve the problem of the flange structure of the waterproof chassis being too high and the problem of water accumulation. The patented connecting pipe can make the floor drain panel layer and the waterproof bottom plate surface height consistent, so that no water will accumulate on the waterproof bottom plate;
[0008] D. Use corrosion-resistant conical countersunk self-tapping screws, which can cooperate well with the waterproof base plate to achieve sealing, and at the same time fix the pipe body, making the pipe body, seal and waterproof base plate an integrated structure. Summary of the invention
[0009] The present invention is to overcome the problems existing in the above-mentioned prior art and provide a bathroom waterproof chassis drainage connector. Through the present invention, the connecting pipe fitting can form a flange structure with the waterproof bottom plate, and the waterproof bottom plate does not need to be recessed during production, while ensuring that water does not leak; it solves the problem that the waterproof bottom plate cannot be opened arbitrarily during construction or multiple molds are required to meet the construction needs and cost issues; it solves the problem that the flange structure of the waterproof chassis is high and the problem of water accumulation. Through the connecting pipe fitting of the present invention, the floor drain panel layer can be made consistent with the height of the waterproof bottom plate surface, so that no water will accumulate on the waterproof bottom plate; the corrosion-resistant conical countersunk self-tapping screws are used, which can be well matched with the waterproof bottom plate in a conical shape to play a sealing role, and at the same time fix the pipe fitting body, so that the pipe fitting body, the seal and the waterproof bottom plate are integrated into a structure.
[0010] In order to achieve the above object, the present invention adopts the following technical solutions:
[0011] A bathroom waterproof chassis drainage connector, characterized in that the bathroom waterproof chassis drainage connector comprises: a connecting pipe, the connecting pipe comprises a connecting pipe for placing a floor drain panel, a lower annular plate fixedly connected to the outside of the connecting pipe and a limiting structure arranged on the upper part of the connecting pipe, when the connecting pipe is installed on the waterproof bottom plate, the lower annular plate is located below the waterproof bottom plate, the upper end of the connecting pipe is lower than the upper surface of the waterproof bottom plate, and the height difference is greater than or equal to the thickness of the floor drain panel; an auxiliary mounting part, the auxiliary mounting part comprises an upper annular plate and a limiting part, the limiting part cooperates with the limiting structure of the connecting pipe, the limiting part and the limiting structure are detachably fixedly connected, and an installation positioning hole is arranged on the upper annular plate, when the auxiliary mounting part and the connecting pipe are assembled as a whole through the cooperation of the limiting structure and the limiting part, the projection of the installation positioning hole on the upper surface of the lower annular plate falls on the upper surface of the lower annular plate.
[0012] After the waterproof base plate has been drilled, the connecting pipe is installed under the waterproof base plate. Usually, the waterproof base plate and the connecting pipe need to be fixed with self-tapping screws, but the waterproof base plate blocks the upper annular plate of the connecting pipe, and the position of the self-tapping screw cannot be confirmed. Therefore, the limiting piece of the auxiliary mounting piece is matched with the limiting structure of the connecting pipe. At this time, the waterproof base plate is located between the upper annular plate and the lower annular plate, and can be installed and positioned through the installation positioning holes on the upper annular plate. The screws pass through the installation positioning holes to fix the waterproof base plate and the connecting pipe. The problem that the waterproof base plate cannot be opened at will during the construction process or multiple molds need to be opened to meet the construction needs and cost problems is solved. After the waterproof base plate and the connecting pipe are fixed, the auxiliary mounting piece can be disassembled and taken out, reducing the installation height, and then the floor drain panel is placed, which is generally lower than the height of the waterproof base plate surface, solving the problem of the flange structure of the anti-level chassis being high and the problem of water accumulation. The connecting pipe fitting of the present invention can make the floor drain panel layer consistent with the height of the waterproof base plate surface, so that no water will accumulate on the waterproof base plate.
[0013] Preferably, the limiting structure of the connecting pipe is an internal thread structure arranged at the upper end of the inner wall of the connecting pipe, the limiting piece of the auxiliary mounting piece is a cylinder or a round tube, and the outer wall of the cylinder or the round tube is provided with an external thread structure.
[0014] Preferably, the number of the installation positioning holes is greater than or equal to three, and they are evenly arranged around the central axis of the upper annular plate.
[0015] The flange installation structure is formed to make the installation more stable and the sealing of the connecting pipe better.
[0016] Preferably, the outer diameter of the upper annular plate is consistent with the outer diameter of the lower annular plate.
[0017] The outer diameter of the upper annular plate is consistent with the outer diameter of the lower annular plate, which can facilitate confirmation of the position of the installation positioning hole.
[0018] Preferably, an annular protrusion is fixedly connected to the outer edge of the upper annular plate for increasing the rigidity of the upper annular plate.
[0019] Preferably, a limiting boss for limiting the position of the socket-jointed pipe is provided on the outer side of the connecting pipe.
[0020] The down pipe sleeve is arranged at the lower part of the connecting pipe, and the limiting boss plays a limiting role.
[0021] Preferably, the bathroom waterproof chassis drainage connector also includes: a sealing ring, which cooperates with the connecting pipe and is sleeved on the connecting pipe. When the connecting pipe is installed on the waterproof bottom plate, the sealing ring is located between the lower annular plate and the waterproof bottom plate.
[0022] The sealing ring cooperates with the flange connection of the upper and lower annular plates to well ensure the sealing of the connecting pipe.
[0023] Preferably, the bathroom waterproof chassis drainage connector also includes: self-tapping screws. After the connecting pipe is installed on the waterproof bottom plate and the auxiliary mounting part is installed on the connecting pipe, the waterproof bottom plate is located between the upper annular plate and the lower annular plate. The self-tapping screws are used to fix the waterproof bottom plate and the connecting pipe through the installation positioning holes on the upper annular plate.
[0024] In actual operation, countersunk self-tapping screws are generally used. Before driving the screws in, you can first pass the electric drill through the installation positioning hole and drill a small hole in the waterproof base plate. This makes it easier to drive the self-tapping screws in and also makes it easier for the screw head to be flush with the waterproof base plate after the screws are fixed.
[0025] Preferably, the bathroom waterproof chassis drainage connector further comprises: a floor drain panel, the floor drain panel is placed on the upper end of the connecting pipe, and a hollow area is provided on the floor drain panel.
[0026] Preferably, a bayonet is provided on the inner side of the connecting pipe, an elastic rod is fixedly connected to the lower side of the floor drain panel, a clamping head for cooperating with the bayonet is provided at the lower end of the elastic rod, a slope is provided on one side of the clamping head, and a disengagement mechanism for bending the elastic rod so as to disengage the clamping head and the bayonet is provided on the floor drain panel. There are two elastic rods, which are located on opposite sides of the floor drain panel; holes for inserting fingers are provided on the floor drain panel; the disengagement mechanism includes a cover plate covering the lower side of the hole, a guide member fixed to the floor drain panel at the upper end, a rack slidably connected to the guide member, a gear rotatably connected to the lower side of the floor drain panel, a second through hole for the rack to pass through, and a pull wire for connecting the two elastic rods; the end of the pull wire is connected to the lower end of the corresponding elastic rod, the lower end of the rack is connected to the middle part of the pull wire, one end of the cover plate is fixed to the gear, and a reset spring for resetting the gear is provided between the gear and the floor drain panel.
[0027] Therefore, the present invention has the following beneficial effects: (1) The drainage connector designed by the present invention can solve the potential leakage risk after the waterproof base plate is opened; (2) It solves the problem that the waterproof base plate cannot be opened arbitrarily during construction or multiple molds are required to meet the engineering installation requirements, thereby reducing cost investment, improving market competitiveness, and reducing risks; (3) It solves the problem of occupying the height space of the building, resulting in the need to lower or raise the floor of the building structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a structural schematic diagram of the connecting pipe of the present invention when it is installed.
[0029] Figure 2 It is a structural schematic diagram after the connecting pipe of the present invention is installed.
[0030] Figure 3 It is a structural schematic diagram of the connecting pipe of the present invention.
[0031] Figure 4 It is a structural schematic diagram of the auxiliary mounting part of the present invention.
[0032] Figure 5 It is a top view of the auxiliary mounting part of the present invention.
[0033] Figure 6 It is a top view of the floor drain panel of the present invention.
[0034] Figure 7 It is another structural schematic diagram of the present invention.
[0035] Figure 8 yes Figure 7 A structural schematic diagram of the floor drain panel in the tripped state.
[0036] In the figure, connecting pipe 1, auxiliary mounting part 2, sealing ring 3, self-tapping screw 4, floor drain panel 5, waterproof bottom plate 6, limiting boss 11, lower annular plate 12, internal thread structure 13, reinforcing rib 21, installation positioning hole 22, upper annular plate 23, external thread structure 24, bayonet 51, elastic rod 52, clamp head 53, second over-control 54, cover plate 55, hole 56, guide part 57, rack 58, gear 59, pull wire 510, inclined surface 511. DETAILED DESCRIPTION
[0037] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.
[0038] Embodiment 1:
[0039] like Figure 1-6In the illustrated embodiment, a bathroom waterproof chassis drainage connector is characterized in that the bathroom waterproof chassis drainage connector comprises: a connecting pipe 1, the connecting pipe comprises a connecting pipe for placing a floor drain panel 5, a lower annular plate 12 fixedly connected to the outside of the connecting pipe, and a limiting structure arranged on the upper part of the connecting pipe, when the connecting pipe is installed on the waterproof bottom plate 6, the lower annular plate is located below the waterproof bottom plate, the upper end of the connecting pipe is lower than the upper surface of the waterproof bottom plate, and the height difference is greater than or equal to the thickness of the floor drain panel; an auxiliary mounting member 2, the auxiliary mounting member comprises an upper annular plate 23 and a limiting member, the limiting member cooperates with the limiting structure of the connecting pipe, the limiting member and the limiting structure are detachably fixedly connected, and an installation positioning hole 22 is arranged on the upper annular plate, when the auxiliary mounting member and the connecting pipe are assembled as a whole through the cooperation of the limiting structure and the limiting member, the projection of the installation positioning hole on the upper surface of the lower annular plate falls on the upper surface of the lower annular plate. The limiting structure of the connecting pipe is an internal thread structure 13 arranged at the upper end of the inner wall of the connecting pipe, and the limiting member of the auxiliary mounting member is a cylinder or a round tube, and the outer wall of the cylinder or the round tube is provided with an external thread structure 24. The number of the installation positioning holes is greater than or equal to three, and is evenly arranged around the central axis of the upper annular plate. The outer diameter of the upper annular plate is consistent with the outer diameter of the lower annular plate. A reinforcing rib 21 is provided at the edge of the upper annular plate, and the reinforcing rib is an annular protrusion fixed to the outer edge of the upper annular plate. The outer side of the connecting pipe is provided with a limiting boss 11 for limiting the socket pipe. The downpipe sleeve is arranged at the lower part of the connecting pipe, and the limiting structure plays a limiting role. The bathroom waterproof chassis drainage connector also includes: a sealing ring 3, the sealing ring cooperates with the connecting pipe, the sealing ring is sleeved on the connecting pipe, and when the connecting pipe is installed on the waterproof bottom plate, the sealing ring is located between the lower annular plate and the waterproof bottom plate. The bathroom waterproof chassis drainage connector also includes: self-tapping screws 4. After the connection pipe is installed on the waterproof bottom plate and the auxiliary mounting parts are installed on the connection pipe, the waterproof bottom plate is located between the upper annular plate and the lower annular plate. The self-tapping screws are used to fix the waterproof bottom plate and the connection pipe through the mounting positioning holes on the upper annular plate. The bathroom waterproof chassis drainage connector also includes: a floor drain panel 6. The floor drain panel is placed on the upper end of the connection pipe, and a hollow area is provided on the floor drain panel.
[0040] After the waterproof base plate has been drilled, the connecting pipe is installed under the waterproof base plate. Usually, the waterproof base plate and the connecting pipe need to be fixed with self-tapping screws, but the waterproof base plate blocks the upper annular plate of the connecting pipe, and the position of the self-tapping screw cannot be confirmed. Therefore, the limiting piece of the auxiliary mounting piece is matched with the limiting structure of the connecting pipe. At this time, the waterproof base plate is located between the upper annular plate and the lower annular plate, and can be installed and positioned through the installation positioning holes on the upper annular plate. The screws pass through the installation positioning holes to fix the waterproof base plate and the connecting pipe. The problem that the waterproof base plate cannot be opened at will during the construction process or multiple molds need to be opened to meet the construction needs and cost problems is solved. After the waterproof base plate and the connecting pipe are fixed, the auxiliary mounting piece can be disassembled and taken out, reducing the installation height, and then the floor drain panel is placed, which is generally lower than the height of the waterproof base plate surface, solving the problem of the flange structure of the anti-level chassis being high and the problem of water accumulation. The connecting pipe fitting of the present invention can make the floor drain panel layer consistent with the height of the waterproof base plate surface, so that no water will accumulate on the waterproof base plate.
[0041] The installation positioning holes are evenly arranged around the axis of the upper annular plate to form a flange installation structure, which makes the installation more stable and the sealing of the connecting pipe better. The sealing ring cooperates with the flange connection of the upper and lower annular plates to ensure the sealing of the connecting pipe.
[0042] The outer diameter of the upper annular plate is consistent with the outer diameter of the lower annular plate, which can facilitate confirmation of the position of the installation positioning hole.
[0043] In actual operation, countersunk self-tapping screws are generally used. Before driving the screws in, you can first pass the electric drill through the installation positioning hole and drill a small hole in the waterproof base plate. This makes it easier to drive the self-tapping screws in and also makes it easier for the screw head to be flush with the waterproof base plate after the screws are fixed.
[0044] Embodiment 2:
[0045] like Figure 7 , Figure 8 In the embodiment described, the difference from the first embodiment is that: a bayonet 51 is provided on the inner side of the connecting pipe, an elastic rod 52 is fixedly connected to the lower side of the floor drain panel, a clamp 53 for cooperating with the bayonet is provided at the lower end of the elastic rod, a bevel 511 is provided on one side of the clamp, and a disengagement mechanism for bending the elastic rod so that the clamp and the bayonet are disengaged is provided on the floor drain panel, and the number of elastic rods is two, which are located on opposite sides of the floor drain panel; a hole 56 for inserting a finger is provided on the floor drain panel; the disengagement mechanism includes a cover plate 55 covering the lower side of the hole, a guide member 57 fixedly connected to the floor drain panel at the upper end, a rack 58 slidably connected to the guide member, a gear 59 rotatably connected to the lower side of the floor drain panel, a second through hole 54 for the rack to pass through on the floor drain panel, and a pull wire 510 for connecting the two elastic rods; the end of the pull wire is connected to the lower end of the corresponding elastic rod, the lower end of the rack is connected to the middle of the pull wire, one end of the cover plate is fixedly connected to the gear, and a reset spring for resetting the gear is provided between the gear and the floor drain panel.
[0046] When placing the floor drain panel, the elastic rod moves downward along the inner wall of the connecting pipe. The function of the inclined surface is to facilitate the elastic rod to be inserted into the connecting pipe. When the clamp moves to the clamping mouth, the elastic rod rebounds and the clamp is embedded in the clamping mouth. At this time, the upper side of the floor drain panel is flush with the upper side of the waterproof bottom plate; when taking a bath, it is not easy to bring up the floor drain panel when the foot is lifted from the floor drain panel;
[0047] When you need to clean the floor drain panel, insert your fingers into the hole, rotate the cover downward, the gear rotates, driving the rack to move upward, pull the pull wire, the two elastic rods bend, and the clamp and the clamp are disengaged; at this time, bend your fingers and pull up the floor drain panel; it is very convenient to remove the floor drain panel.
[0048] Therefore, the present invention has the following beneficial effects: (1) The drainage connector designed by the present invention can solve the potential leakage risk after the waterproof base plate is opened; (2) It solves the problem that the waterproof base plate cannot be opened arbitrarily during construction or multiple molds are required to meet the engineering installation requirements, thereby reducing cost investment, improving market competitiveness, and reducing risks; (3) It solves the problem of occupying the height space of the building, resulting in the need to lower or raise the floor of the building structure.
Claims
1. A bathroom waterproof chassis drainage connector, characterized in that: include: The connecting pipe comprises a connecting pipe body matched with the water hole of the waterproof bottom plate and a lower annular plate fixedly connected to the outer side of the connecting pipe body, wherein the upper end surface of the connecting pipe body is lower than the upper end surface of the water hole of the waterproof bottom plate; The auxiliary mounting member comprises a main body part detachably connected to the upper part of the connecting pipe body and an upper annular plate fixed on the outer side wall of the main body part, and an installation positioning hole is provided on the upper annular plate; when the main body part and the connecting pipe body are matched, a gap for installing the floor drain panel is formed between the upper annular plate and the lower annular plate, and the installation positioning hole is directly projected on the lower annular plate; Self-tapping screws, the waterproof bottom plate is located between the upper annular plate and the lower annular plate, and the self-tapping screws are used to fix the waterproof bottom plate and the connecting pipe body through the installation positioning holes on the upper annular plate; A bayonet is provided on the inner side of the connecting pipe body, an elastic rod is fixedly connected to the lower side of the floor drain panel, a clamping head cooperating with the bayonet is provided at the lower end of the elastic rod, a slope is provided on one side of the clamping head, and a disengagement mechanism for bending the elastic rod so as to disengage the clamping head and the bayonet is provided on the floor drain panel. There are two elastic rods, which are located on opposite sides of the floor drain panel; holes for fingers to be inserted are provided on the floor drain panel; the disengagement mechanism includes a cover plate covering the lower side of the hole, a guide member fixed to the floor drain panel at the upper end, a rack slidably connected to the guide member, a gear rotatably connected to the lower side of the floor drain panel, a second through hole for the rack to pass through, and a pull wire connecting the two elastic rods; the end of the pull wire is connected to the lower end of the corresponding elastic rod, the lower end of the rack is connected to the middle part of the pull wire, one end of the cover plate is fixed to the gear, and a reset spring for resetting the gear is provided between the gear and the floor drain panel.
2. A bathroom waterproof chassis drainage connector according to claim 1, characterized in that: An internal thread structure is arranged at the upper end of the inner wall of the connecting pipe body, the main body part is in the shape of a cylinder or a round tube, and an external thread structure is arranged on the outer wall of the cylinder or the round tube.
3. A bathroom waterproof chassis drainage connector according to claim 1, characterized in that: The number of the installation positioning holes is greater than or equal to three, and they are evenly arranged around the central axis of the upper annular plate.
4. A bathroom waterproof chassis drainage connector according to claim 1, characterized in that: The outer diameter of the upper annular plate is consistent with the outer diameter of the lower annular plate.
5. A bathroom waterproof chassis drainage connector according to claim 1, characterized in that: The outer side of the connecting pipe body is provided with a limiting boss for limiting the position of the socket pipe.
6. A bathroom waterproof chassis drainage connector according to claim 1 or 2 or 3 or 4 or 5, characterized in that: An annular protrusion is fixedly connected to the outer edge of the upper annular plate and is used to increase the rigidity of the upper annular plate.
7. A bathroom waterproof chassis drainage connector according to claim 6, characterized in that: The bathroom waterproof chassis drainage connector also includes: a sealing ring, which cooperates with the connecting pipe body and is sleeved on the connecting pipe body. When the connecting pipe is installed on the waterproof bottom plate, the sealing ring is located between the lower annular plate and the waterproof bottom plate.
8. A bathroom waterproof chassis drainage connector according to claim 7, characterized in that: The bathroom waterproof chassis drainage connector also includes a floor drain panel, which is placed on the upper end of the connecting pipe body and is provided with a hollow area.
Citation Information
Patent Citations
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