Drainage device

Abstract

The utility model discloses a drainage device which comprises an upper pipe seal and a lower pipe seal which are clamped at the position of a drainage port of a bathing container, a drainage pipe penetrating through the upper pipe seal and the lower pipe seal, and a drainage connecting pipe arranged outside the drainage pipe. A water outlet channel communicated with the drainage channel is arranged on the sewer connecting pipe, and at least one water outlet communicated with the water outlet channel is formed in the sewer connecting pipe; and a water level difference exists between the water outlet on the sewer connecting pipe and the sewer pipe to form a water seal area. By adopting the structure, the water seal area is formed by utilizing the water level difference between the position of the water outlet in the sewer connecting pipe and the sewer pipe, and after water is drained, although the water outlet valve core of the sewer device is in an open state, the possibility that mosquitoes climb upwards along the pipeline to enter the wash basin is cut off due to the existence of the water seal area.

Description

Technical Field

[0001] The utility model relates to a water discharge device, in particular to a water discharge device which comprises a water seal structure and has a good effect of preventing insects from crawling out. Background Art

[0002] The drain is a drainage device placed in a basin sewer, etc. The current drain is a ready-to-use drainage structure. After draining the water, the outlet valve core of the drain device is in an open state, so there is a possibility that mosquitoes can crawl along the sewer pipe through the outlet valve core to the bathing pool and other places. In order to overcome the above problems, it is necessary to study the utility model. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a water discharge device, which has the characteristics of comprising a water seal structure and having a good effect of preventing insects from crawling out.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a water discharge device, the innovation of which is that the water discharge device comprises an upper pipe seal and a lower pipe seal engaged at the water outlet of the bathing container, a water discharge pipe passing through the upper pipe seal and the lower pipe seal, and a water discharge connecting pipe arranged outside the water discharge pipe and screwed with the water discharge pipe thread, a drainage channel passing through from top to bottom is arranged in the water discharge pipe, a water outlet valve core for closing or connecting the drainage channel is arranged at the upper end of the drainage channel, an upper limit retaining edge is arranged on the water discharge pipe, and the upper pipe seal is abutted against the lower part of the upper limit retaining edge;

[0005] The sewer connection pipe is provided with a water outlet channel connected with the drainage channel, and the sewer connection pipe is provided with at least one water outlet connected with the water outlet channel;

[0006] When water no longer flows into the drainage channel, there is a water level difference between the water outlet position on the drainage connecting pipe and the drainage pipe, forming a water seal area.

[0007] Preferably, the sewer connecting pipe includes an inner tube connected to the sewer pipe and a shell arranged outside the inner tube, the water outlet is arranged above the side of the shell, the shell and the inner tube constitute the water outlet channel, and the cavity formed by the inner tube and the shell at the lower position of the water outlet is the water seal area.

[0008] Preferably, the inner tube includes a sleeve-shaped vertical portion vertically arranged along the central axis, a horizontal portion arranged at the top of the vertical portion and extending radially outward along the vertical portion, the horizontal portion is connected to the shell, and the shell, the vertical portion, and the horizontal portion form the water outlet channel including the water seal area, the water outlet channel includes a non-water seal area and the water seal area from top to bottom, and the boundary line between the non-water seal area and the water seal area is a horizontal line at the lower position of the water outlet.

[0009] Preferably, a positioning groove for the lower sealing tube to be embedded in is provided on the horizontal portion.

[0010] Preferably, an annular gasket for the lower water pipe to pass through is provided between the horizontal portion and the lower sealing pipe.

[0011] Preferably, the sewer connecting pipe is provided with a water outlet which is connected to the water outlet channel and the central axis is arranged horizontally, the water outlet includes a water outlet pipe, a water outlet channel arranged in the water outlet pipe and connected to the water outlet channel, and the water outlet pipe is provided with an external thread which is screwed together with subsequent accessories.

[0012] Preferably, the down-water connection pipe is provided with two water outlets connected with the water outlet channel, including a first water outlet and a second water outlet, the first water outlet includes a first water outlet pipe horizontally arranged along the central axis, a first water outlet channel arranged in the first water outlet pipe and connected with the water outlet channel, and the first water outlet pipe is provided with an external thread screwed with subsequent accessories;

[0013] The second water outlet comprises a second water outlet pipe with a central axis vertically / inclined, and a second water outlet channel disposed in the second water outlet pipe and connected to the first water outlet channel. The second water outlet pipe is provided with an external thread that is screwed together with subsequent accessories.

[0014] Preferably, the shell is provided with a dredging outlet located below the shell, and a lower cover which is threadedly screwed on the shell to close or open the dredging outlet is provided at the position of the dredging outlet.

[0015] Preferably, the down pipe and the inner pipe adopt one of threaded fit, transition fit and interference fit.

[0016] The advantages of the utility model are: by adopting the above structure, the water level difference between the water outlet position on the sewer connecting pipe and the sewer pipe is utilized to form a water seal area. After the water is drained, although the water outlet valve core of the sewer device is in an open state, the existence of the water seal area cuts off the possibility of mosquitoes climbing up along the pipe into the washbasin, which well overcomes the existing situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 The utility model is a three-dimensional diagram of a water launching device.

[0019] Figure 2 The utility model is a three-dimensional exploded diagram of a water launching device.

[0020] Figure 3 The utility model is a structural schematic diagram of a water launching device.

[0021] Figure 4 It is a cross-sectional view of a water launching device of the utility model.

[0022] Figure 5 The utility model is a structural schematic diagram of a water discharge connecting pipe in a water discharge device.

[0023] In the figure: 1-upper pipe seal, 2-lower pipe seal, 3-downstream pipe, 31-drainage channel, 32-upper limit rib, 4-downstream connecting pipe, 41-water outlet channel, 42-inner pipe, 421-vertical part, 422-horizontal part, 423-positioning groove, 43-shell, 44-water seal area, 5-water outlet valve core, 6-water outlet, 61-first water outlet pipe, 62-first water outlet channel, 63-second water outlet pipe, 64-second water outlet channel, 7-annular gasket, 8-lower cover. DETAILED DESCRIPTION

[0024] The utility model comprises an upper pipe seal 1 and a lower pipe seal 2 which are engaged at the position of the water outlet of the bathing container, a water pipe 3 which passes through the upper pipe seal 1 and the lower pipe seal 2, and a water connection pipe 4 which is arranged outside the water pipe 3 and is threadedly screwed with the water pipe 3. A drainage channel 31 which passes through from top to bottom is arranged in the water pipe 3, and a water outlet valve core 5 which is used to close or connect the drainage channel 31 is arranged at the upper end of the drainage channel 31. An upper limit retaining edge 32 which is located at the upper end of the water pipe 3 is arranged on the water pipe 3, and the upper pipe seal 1 is against the lower part of the upper limit retaining edge 32. A water outlet channel 41 which is connected with the drainage channel 31 is arranged on the water connection pipe 4, and at least one water outlet 6 which is connected with the water outlet channel 41 is arranged on the water connection pipe 4. When water is no longer flowing into the drainage channel, there is a water level difference between the water outlet 6 on the water connection pipe 4 and the water pipe 3, forming a water seal area 44. By adopting the above structure, the water level difference between the water outlet 6 on the sewer connecting pipe 4 and the sewer pipe 3 is utilized to form a water seal area 44. After the water is drained, although the water outlet valve core 5 of the sewer device is in an open state, the existence of the water seal area 44 cuts off the possibility of mosquitoes climbing up the pipe into the washbasin, thereby overcoming the existing situation.

[0025] The above-mentioned sewer connecting pipe 4 includes an inner tube 42 connected to the sewer pipe 3, a shell 43 arranged on the outer periphery of the inner tube 42, and a water outlet 6 arranged above the side of the shell 43. The shell 43 and the inner tube 42 constitute a water outlet channel 41. The cavity formed by the inner tube 42 and the shell 43 at the lower position of the water outlet 6 is a water seal area 44.

[0026] In order to facilitate the formation of the water seal area 44, the inner tube 42 includes a sleeve-shaped vertical portion 421 arranged vertically along the central axis, and a horizontal portion 422 arranged at the top of the vertical portion 421 and extending radially outward along the vertical portion 421. The horizontal portion 422 is connected to the shell 43. The shell 43, the vertical portion 421, and the horizontal portion 422 form a water outlet channel 41 including the water seal area 44. The water outlet channel 41 includes a non-water seal area and a water seal area 44 from top to bottom. The boundary line between the non-water seal area and the water seal area 44 is the horizontal line at the lower position of the water outlet 6.

[0027] In order to facilitate quick assembly, a positioning groove 423 for the lower sealing pipe to be embedded is provided on the horizontal portion 422. In order to achieve the effect of sealing and preventing leakage, an annular gasket 7 for the lower water pipe 3 to pass through is provided between the horizontal portion 422 and the lower sealing pipe.

[0028] The above-mentioned sewer connecting pipe 4 is provided with a water outlet 6 which is connected to the water outlet channel 41 and the central axis is horizontally arranged. The water outlet 6 includes a water outlet pipe 6, a water outlet channel 6 arranged in the water outlet pipe 6 and connected to the water outlet channel 41, and the water outlet pipe 6 is provided with an external thread which is screwed together with subsequent accessories.

[0029] In order to meet the needs of different water outlet direction selection, the down-water connection pipe 4 is provided with two water outlets 6 connected with the water outlet channel 41, including a first water outlet 6 and a second water outlet 6. The first water outlet 6 includes a first water outlet pipe 61 with a horizontal central axis, a first water outlet channel 62 arranged in the first water outlet pipe 61 and connected with the water outlet channel 41, and an external thread screwed with subsequent accessories is arranged on the first water outlet pipe 61. The second water outlet 6 includes a second water outlet pipe 63 with a vertical / inclined central axis, a second water outlet channel 64 arranged in the second water outlet pipe 63 and connected with the first water outlet channel 62, and an external thread screwed with subsequent accessories is arranged on the second water outlet pipe 63.

[0030] In order to facilitate regular desilting of the water outlet channel 41, the housing 43 is provided with a desilting outlet located below the housing 43, and a lower cover 8 is provided at the desilting outlet for closing or opening the desilting outlet by threading on the housing 43. In order to facilitate the installation of the downpipe 3, the downpipe 3 and the inner pipe 42 are threadedly fitted, transitionally fitted, or interference fitted.

[0031] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for those of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A launching device, characterized in that: The drainage device comprises an upper pipe seal and a lower pipe seal engaged at the water outlet of the bathing container, a drainage pipe passing through the upper pipe seal and the lower pipe seal, and a drainage connecting pipe arranged outside the drainage pipe and screwed with the drainage pipe thread, a drainage channel passing through from top to bottom is arranged in the drainage pipe, a water outlet valve core for closing or connecting the drainage channel is arranged at the upper end of the drainage channel, an upper limit retaining edge is arranged on the drainage pipe, and the upper pipe seal is abutted under the upper limit retaining edge; The sewer connection pipe is provided with a water outlet channel connected with the drainage channel, and the sewer connection pipe is provided with at least one water outlet connected with the water outlet channel; When water no longer flows into the drainage channel, there is a water level difference between the water outlet position on the drainage connecting pipe and the drainage pipe, forming a water seal area.

2. A water launching device according to claim 1, characterized in that: The sewer connecting pipe includes an inner tube connected to the sewer pipe and a shell arranged outside the inner tube. The water outlet is arranged above the side of the shell. The shell and the inner tube constitute the water outlet channel. The cavity formed by the inner tube and the shell at the lower position of the water outlet is the water seal area.

3. A launching device as claimed in claim 2, characterized in that: The inner tube includes a sleeve-shaped vertical portion vertically arranged along the central axis, and a horizontal portion arranged at the top of the vertical portion and extending radially outward along the vertical portion. The horizontal portion is connected to the shell. The shell, the vertical portion, and the horizontal portion form the water outlet channel including the water seal area. The water outlet channel includes a non-water seal area and the water seal area from top to bottom, and the boundary line between the non-water seal area and the water seal area is a horizontal line at the lower position of the water outlet.

4. A launching device as claimed in claim 3, characterized in that: The horizontal portion is provided with a positioning groove for the lower sealing tube to be embedded in.

5. A launching device as claimed in claim 4, characterized in that: An annular gasket for the lower water pipe to pass through is arranged between the horizontal portion and the lower sealing pipe.

6. A launching device as claimed in claim 2, characterized in that: The sewer connecting pipe is provided with a water outlet connected to the water outlet channel and with the central axis arranged horizontally. The water outlet includes a water outlet pipe, a water outlet channel arranged in the water outlet pipe and connected to the water outlet channel, and the water outlet pipe is provided with an external thread that is screwed together with subsequent accessories.

7. A launching device as claimed in claim 2, characterized in that: The down-water connection pipe is provided with two water outlets connected with the water outlet channel, including a first water outlet and a second water outlet, the first water outlet includes a first water outlet pipe horizontally arranged along the central axis, a first water outlet channel arranged in the first water outlet pipe and connected with the water outlet channel, and the first water outlet pipe is provided with an external thread screwed with subsequent accessories; The second water outlet comprises a second water outlet pipe with a central axis vertically / inclined, and a second water outlet channel disposed in the second water outlet pipe and connected to the first water outlet channel. The second water outlet pipe is provided with an external thread that is screwed together with subsequent accessories.

8. A water launching device as claimed in claim 2, characterized in that: The shell is provided with a dredging outlet located below the shell, and a lower cover which is threadedly screwed on the shell to close or open the dredging outlet is provided at the position of the dredging outlet.

9. A launching device as claimed in claim 2, characterized in that: The down pipe and the inner pipe are fitted with each other by thread, transition or interference.

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