Concealed water tank with water inlet end convenient to overhaul and maintain

Abstract

The utility model discloses a concealed water tank with a water inlet end convenient to overhaul and maintain. The concealed water tank comprises a water tank main body, a water inlet pipe, a water inlet valve, a water inlet cylinder sleeve and a cylinder sleeve locking piece, the water tank body is provided with a water inlet, and the water inlet cylinder sleeve is embedded in the water inlet and locked to the water tank body through the cylinder sleeve locking piece. The water inlet cylinder sleeve is of a hollow lining structure, and first internal threads are arranged at the upper end and the lower end in the water inlet cylinder sleeve. The water inlet pipe is in threaded connection with the first internal thread at the upper end of the water inlet sleeve; the water inlet valve is in threaded connection with the first internal thread at the lower end of the water inlet sleeve; the water inlet pipe can abut against the water inlet valve. According to the utility model, the water inlet valve of the water inlet of the water tank main body can be overhauled and replaced under the condition that a wall body or a front baffle plate is not broken open, so that the overhaul and the maintenance are more convenient, and the cost is obviously reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of bathroom toilet water tanks, and in particular to a concealed water tank with a convenient water inlet end for inspection and maintenance. Background Art

[0002] Conventional toilet water tanks use a traditional floor-standing toilet structure, and the toilet water tank is set above the toilet, occupying a large area of ​​the bathroom floor. For this reason, a hidden water tank structure has been launched on the market, which is also called a wall-mounted water tank. For example, patent number CN201921724459.0 discloses a hidden water tank adapted to a smart toilet and CN202120586739.0 discloses a concealed toilet water tank mounting frame.

[0003] The existing concealed water tank structure has an inner cavity of the concealed water tank as a whole in the wall, the upper water inlet is connected to the water inlet pipe, and the lower water outlet is connected to the water outlet pipe; the water tank as a whole, the water inlet pipe and the water outlet pipe are all in the inner cavity of the wall, and after the layout is completed, they need to be encapsulated with cement or a front baffle; only the control panel and part of the drainage control lever extend from the bracket fixing groove at the front end of the water tank or are exposed.

[0004] The water inlet above the hidden water tank is provided with an inlet valve, which is fixedly connected to the water inlet pipe by thread, and is sealed by filling the connection with sealing glue or wrapping sealing tape around the periphery. However, if the threaded connection between the water inlet valve and the water inlet pipe is loose, and the sealing glue or sealing tape is aged and ineffective, water leakage will occur at the water inlet end. At this time, the water inlet valve is difficult to disassemble and replace, and even if the water inlet valve is replaced, the connection between the water inlet valve and the water inlet pipe cannot be repaired and replaced, and the wall or front baffle needs to be smashed for repair, which is complicated and costly. Therefore, further improvements are needed. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a concealed water tank with convenient maintenance at the water inlet end.

[0006] The technical solution adopted by an embodiment of the utility model to solve the technical problem is: a concealed water tank with convenient inspection and maintenance at the water inlet end, comprising: a water tank body, a water inlet pipe, a water inlet valve, a water inlet sleeve and a sleeve locking member;

[0007] The water tank body is provided with a water inlet, the water inlet sleeve is embedded in the water inlet and is locked to the water tank body by a sleeve locking piece; the water inlet sleeve is a hollow bushing structure, and the upper and lower ends of the interior are provided with a first internal thread; the water inlet pipe can be threadedly connected to the first internal thread at the upper end of the water inlet sleeve, and the water inlet valve can be threadedly connected to the first internal thread at the lower end of the water inlet sleeve; the water inlet pipe can abut against the water inlet valve.

[0008] Optionally, the first internal thread is coated with sealing glue.

[0009] Optionally, the first internal thread extends through to the upper and lower ends of the water inlet sleeve.

[0010] Optionally, an inner sealing bushing is provided in the water inlet sleeve, and the inner sealing bushing can be inserted from the lower end of the water inlet sleeve and clamped on the end of the water inlet pipe; the inner sealing bushing includes a bushing ring and a bushing wall; the bushing ring is abutted between the water inlet pipe and the end of the water inlet valve; the bushing wall can extend into and abut against the inner wall of the water inlet pipe.

[0011] Optionally, a plurality of annular grooves for embedding sealing rings are provided on the outer side of the bushing wall.

[0012] Optionally, the water inlet pipe is provided with a water inlet joint; the water inlet joint is threadedly connected to the first internal thread at the upper end of the water inlet sleeve.

[0013] Optionally, a plurality of ratchet rings are arranged at intervals outside the water inlet joint.

[0014] Optionally, the water inlet sleeve includes a sleeve ring platform and a sleeve wall, and the sleeve locking piece is a nut; the sleeve ring platform is erected above the water inlet; the sleeve wall is provided with a second external thread, the sleeve wall passes through the water inlet, and is threadedly locked with the sleeve locking piece.

[0015] Optionally, the outer contours of the tube sleeve ring platform and the tube sleeve locking piece are arranged in a regular hexagonal structure.

[0016] The beneficial effects of the utility model are as follows: the water inlet of the water tank body is embedded with an independent water inlet sleeve, which is locked on the top of the water tank body and is a hollow bushing structure. The upper and lower ends can be connected to the water inlet pipe and the water inlet valve respectively through the first internal internal thread; and the water inlet pipe can abut against the water inlet valve. In the actual installation process, the sealing glue can be applied to the first internal thread to ensure the sealing performance of the gap between the water inlet sleeve and the water inlet pipe and the water inlet valve. According to the utility model, when the threaded connection between the water inlet valve and the water inlet pipe is loose, and the sealing glue or sealing tape is aged and ineffective, after closing the water valve, the control panel can be removed, the water inlet valve can be disassembled and replaced from the bracket fixing groove of the water tank body, and the water inlet sleeve can be cleaned, and then the sealing glue can be added and the water inlet valve can be installed again. Without breaking the wall or the front baffle, the water inlet valve can be inspected and replaced at the water inlet of the water tank body, which makes inspection and maintenance more convenient and significantly reduces costs.

[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the structure of the concealed water tank of the utility model;

[0020] Figure 2 for Figure 1 A cross-sectional view of the concealed water tank at the water inlet;

[0021] Figure 3 for Figure 1 Schematic diagram of the exploded view of the concealed water tank at the water inlet.

[0022] Description of main component symbols:

[0023] 10. Water tank body; 11. Water inlet; 12. Bracket fixing groove; 20. Water inlet pipe; 21. Water inlet joint; 22. Ratchet ring; 30. Water inlet valve; 40. Water inlet sleeve; 41. First internal thread; 42. Sleeve ring platform; 43. Sleeve wall; 44. Second external thread; 50. Sleeve locking piece; 60. Inner sealing bushing; 61. Bushing ring platform; 62. Bushing wall; 63. Annular groove. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0028] Example

[0029] Reference Figures 1 to 3 The utility model proposes a concealed water tank with convenient maintenance at the water inlet end, comprising: a water tank body 10, a water inlet pipe 20, a water inlet valve 30, a water inlet sleeve 40 and a sleeve locking member 50;

[0030] The water tank body 10 is provided with a water inlet 11, and the water inlet sleeve 40 is embedded in the water inlet 11 and locked to the water tank body 10 by the sleeve locking member 50; the water inlet sleeve 40 is a hollow bushing structure, and the upper and lower ends of the interior are provided with a first internal thread 41; the water inlet pipe 20 can be threadedly connected to the first internal thread 41 at the upper end of the water inlet sleeve 40, and the water inlet valve 30 can be threadedly connected to the first internal thread 41 at the lower end of the water inlet sleeve 40; the water inlet pipe 20 can abut against the water inlet valve 30.

[0031] In the present utility model, the water inlet 11 of the water tank body 10 is embedded with an independent water inlet sleeve 40, which is locked on the top of the water tank body 10 and is a hollow sleeve structure. The upper and lower ends of the water inlet sleeve 40 can be connected to the water inlet pipe 20 and the water inlet valve 30 respectively through the first internal thread 41 inside; and the water inlet pipe 20 can abut against the water inlet valve 30. In the actual installation process, the sealing glue can be applied to the first internal thread 41 to ensure the sealing performance of the gap between the water inlet sleeve and the water inlet pipe 20 and the water inlet valve 30. According to the utility model, when the threaded connection between the water inlet valve 30 and the water inlet pipe 20 is loosened, and the sealing glue or sealing tape is aged and ineffective, after closing the water valve, the control panel can be removed, the water inlet valve 30 can be disassembled and replaced from the bracket fixing groove 12 of the water tank body 10, and the water inlet sleeve 40 can be cleaned, and then the sealing glue is replenished and the water inlet valve 30 is installed again. Without breaking the wall or the front baffle, the water inlet valve 30 can be inspected and replaced at the water inlet port 11 of the water tank body 10, which makes inspection and maintenance more convenient and significantly reduces costs.

[0032] In this embodiment, in order to ensure the sealing performance of the gap between the first internal thread 41 and the water inlet pipe 20 and the water inlet valve 30 , the first internal thread 41 is coated with sealing glue.

[0033] In some embodiments, in order to facilitate processing, the first internal thread 41 extends through and to the upper and lower ends of the water inlet sleeve 40 .

[0034] In some embodiments, an inner sealing bushing 60 is provided in the water inlet sleeve 40, and the inner sealing bushing 60 can be inserted from the lower end of the water inlet sleeve 40 and clamped on the end of the water inlet pipe 20; the inner sealing bushing 60 includes a bushing ring 61 and a bushing wall 62; the bushing ring 61 is set between the end of the water inlet pipe 20 and the water inlet valve 30; the bushing wall 62 can extend into and abut against the inner wall of the water inlet pipe 20. The inner sealing bushing 60 can be inserted from the lower end of the water inlet sleeve 40 and clamped on the end of the water inlet pipe 20; the sealing ring of the inner sealing bushing 60 can be set between the ends of the water inlet pipe 20 and the water inlet valve 30 to ensure the sealing performance between the ends of the water inlet pipe 20 and the water inlet valve 30, and effective sealing can be performed without relying on the thread sealing of the first internal thread 41; on the other hand, the inner sealing bushing 60 can be inserted or removed from the bottom of the water inlet sleeve 40, and the hand can be inserted into the bracket fixing groove 12 to take out and replace the inner sealing bushing 60, thereby inspecting and replacing the sealing parts of the water inlet 11 of the water tank body 10.

[0035] In this embodiment, a plurality of annular embedding grooves 63 for embedding sealing rings are provided on the outer side of the bushing wall 62. The sealing rings can be embedded through the annular embedding grooves 63 to improve the sealing performance between the bushing wall 62 and the water inlet pipe 20.

[0036] In some embodiments, the water inlet pipe 20 is provided with a water inlet connector 21; the water inlet connector 21 is threadedly connected to the first internal thread 41 at the upper end of the water inlet sleeve 40. In order to facilitate the processing of the water inlet structure of the water inlet pipe 20, the water inlet connector 21 is independently injection molded, and then the water inlet connector 21 is sunk into the water inlet pipe 20 and fixed integrally by hot melting.

[0037] Furthermore, in order to improve the stability of the fixation between the water inlet joint 21 and the water inlet pipe 20 , a plurality of ratchet rings 22 are arranged at intervals outside the water inlet joint 21 .

[0038] In this embodiment, the water inlet sleeve 40 includes a sleeve ring 42 and a sleeve wall 43, and the sleeve locking member 50 is a nut; the sleeve ring 42 is arranged above the water inlet 11; the sleeve wall 43 is provided with a second external thread 44, the sleeve wall 43 passes through the water inlet 11, and is threadedly locked with the sleeve locking member 50. The water inlet sleeve 40 can be locked to the upper and lower opposite sides of the water tank body 10 through the sleeve ring 42 and the nut threadedly connected with the sleeve wall 43.

[0039] Furthermore, in order to facilitate locking of the water inlet sleeve 40 and the sleeve locking member 50, the outer contours of the sleeve ring 42 and the sleeve locking member 50 are arranged in a regular hexagonal structure.

[0040] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A concealed water tank with convenient maintenance at the water inlet end, characterized in that: include: A water tank body (10), a water inlet pipe (20), a water inlet valve (30), a water inlet sleeve (40) and a sleeve locking member (50); The water tank body (10) is provided with a water inlet (11), and the water inlet sleeve (40) is embedded in the water inlet (11) and locked to the water tank body (10) by a sleeve locking member (50); the water inlet sleeve (40) is a hollow bushing structure, and the upper and lower ends of the interior are provided with a first internal thread (41); the water inlet pipe (20) can be threadedly connected to the first internal thread (41) at the upper end of the water inlet sleeve (40), and the water inlet valve (30) can be threadedly connected to the first internal thread (41) at the lower end of the water inlet sleeve (40); the water inlet pipe (20) can abut against the water inlet valve (30).

2. The concealed water tank with convenient maintenance at the water inlet end according to claim 1 is characterized by: The first internal thread (41) is coated with sealing glue.

3. The concealed water tank with convenient maintenance at the water inlet end according to claim 1 is characterized by: The first internal thread (41) extends through and to the upper and lower ends of the water inlet sleeve (40).

4. The concealed water tank with convenient maintenance at the water inlet end according to claim 1 is characterized by: An inner sealing bushing (60) is arranged inside the water inlet sleeve (40), and the inner sealing bushing (60) can be inserted from the lower end of the water inlet sleeve (40) and clamped on the end of the water inlet pipe (20); the inner sealing bushing (60) comprises a bushing ring platform (61) and a bushing wall (62); the bushing ring platform (61) is arranged between the end of the water inlet pipe (20) and the water inlet valve (30); the bushing wall (62) can extend into and be arranged against the inner wall of the water inlet pipe (20).

5. The concealed water tank with convenient maintenance at the water inlet end according to claim 4 is characterized by: The outer side of the bushing wall (62) is provided with a plurality of annular embedding grooves (63) for embedding sealing rings.

6. The concealed water tank with convenient maintenance at the water inlet end according to claim 1 is characterized by: The water inlet pipe (20) is provided with a water inlet joint (21); the water inlet joint (21) is threadedly connected to a first internal thread (41) at the upper end of the water inlet sleeve (40).

7. The concealed water tank with convenient maintenance at the water inlet end according to claim 6 is characterized by: A plurality of ratchet rings (22) are arranged at intervals outside the water inlet joint (21).

8. The concealed water tank with convenient maintenance at the water inlet end according to claim 1 is characterized by: The water inlet sleeve (40) comprises a sleeve ring platform (42) and a sleeve wall (43), and the sleeve locking piece (50) is a nut; the sleeve ring platform (42) is arranged above the water inlet (11); the sleeve wall (43) is provided with a second external thread (44), and the sleeve wall (43) passes through the water inlet (11) and is thread-locked with the sleeve locking piece (50).

9. The concealed water tank with convenient maintenance at the water inlet end according to claim 8 is characterized by: The outer contours of the sleeve ring platform (42) and the sleeve locking piece (50) are arranged in a regular hexagonal structure.

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