Pre-filter with rotary pollution discharge structure

Abstract

The utility model provides a prefilter with a rotary pollution discharge structure, which comprises a filter bottle with a pollution discharge port, the filter bottle is rotatably provided with a pollution discharge seat and a rotary sleeve from inside to outside at the pollution discharge port, the upper end of the pollution discharge seat is clamped in the pollution discharge port and is rotatably and hermetically matched with the inner side wall of the pollution discharge port, and the rotary sleeve is sleeved on the rotary sleeve. The rotating sleeve is connected to the lower end of the pollution discharge seat through the pollution discharge connector, so that axial movement of the pollution discharge seat is limited, and the outer side wall of the pollution discharge seat is connected with the inner side wall of the rotating sleeve in a clamped mode and used for driving the rotating sleeve to rotate synchronously; a pollution discharge part is arranged in the pollution discharge seat and moves up and down through rotation of the pollution discharge seat, so that communication between the filter bottle and the outside is opened and closed; the structure is optimized, a ball valve with a complex structure is omitted, the machining cost is reduced, installation, maintenance and operation are easy, and a user can use the ball valve conveniently.

Description

Technical Field

[0001] The utility model relates to a pre-filter with a rotary sewage discharge structure. Background Art

[0002] The pre-filter is the first coarse filtration device for the water used in the whole house, which can filter out large particles such as sand, rust, etc. in the tap water. In order to discharge impurities in the filter, a drain valve is usually set at the drain outlet, but the current drain valve assembly is complex, the processing cost is high, and it is not convenient for users to use; therefore, the existing technology needs to be improved and developed. Summary of the invention

[0003] In view of the shortcomings existing in the above problems, the utility model provides a pre-filter with a rotating sewage discharge structure.

[0004] To achieve the above-mentioned purpose, the utility model provides a pre-filter with a rotating sewage discharge structure, including a filter bottle with a sewage discharge port, the filter bottle is provided with a sewage discharge seat and a rotating sleeve that rotates from the inside to the outside at the sewage discharge port, the upper end of the sewage discharge seat is clamped in the sewage discharge port, and is rotatably sealed with the inner side wall of the sewage discharge port, the rotating sleeve is connected to the lower end of the sewage discharge seat through a sewage discharge joint, thereby limiting the axial movement of the sewage discharge seat, the outer side wall of the sewage discharge seat is clamped with the inner side wall of the rotating sleeve, and is used to drive the rotating sleeve to rotate synchronously; a sewage discharge member is provided in the sewage discharge seat, and the sewage discharge member moves up and down through the rotation of the sewage discharge seat, thereby opening and closing the connection between the filter bottle and the outside world.

[0005] Furthermore, a first annular mounting groove is provided on the inner wall of the sewage outlet, an extension portion for clamping is provided on the upper end of the sewage seat, and the rotating sleeve has a limiting step that cooperates with the lower wall of the sewage outlet and a connecting portion that cooperates with the sewage connector.

[0006] Furthermore, the first clamping section and the second clamping section are respectively extended out of the drain outlet at the lower end of the drain seat, and the rotating sleeve is divided into a rotating upper sleeve and a rotating lower sleeve, the inner side wall of the rotating upper sleeve is clamped with the outer side wall of the first clamping section, and the inner side wall of the rotating lower sleeve is clamped with the outer side wall of the second clamping section.

[0007] Furthermore, the cross-section of the connection between the rotating upper sleeve and the first clamping section is a polygon, and the outer wall of the first clamping section is provided with a protrusion corresponding to each corner of the polygon; the inner side surface of the connection between the rotating lower sleeve and the second clamping section is evenly provided with a plurality of racks around the circumference, and the second clamping section is provided with a toothed protrusion that cooperates with the rack.

[0008] Furthermore, the sewage seat is provided with a first sealing section in the sewage outlet, the first sealing section is clearance-matched with the sewage outlet, and a plurality of second annular mounting grooves are provided on the side wall, and a sealing ring 1 is installed in the second annular mounting groove.

[0009] Furthermore, the sewage discharge component, sewage discharge seat, and sewage discharge joint are provided with sewage discharge channels connected to the outside, and the sewage discharge component side wall is provided with multiple side openings connected to the sewage discharge channel; when the sewage discharge component moves up a certain distance, the filter bottle is connected to the side opening; when the sewage discharge component moves down a certain distance, the outer wall of the sewage discharge component above the side opening is sealed and connected to the inner wall of the sewage discharge seat, and the filter bottle is not connected to the side opening.

[0010] Furthermore, the sewage discharge member is provided with a threaded section below the side opening, the threaded section is connected to the sewage discharge seat by threads, linear guide rails are provided on both sides of the inner wall of the filter bottle, and a sliding part used in conjunction with the linear guide rails is provided at the upper end of the sewage discharge member.

[0011] Furthermore, the sewage discharge member is provided with a second sealing section between the side opening and the sliding part, the second sealing section is clearance-matched with the sewage discharge seat, and a plurality of third annular installation grooves are provided on the outer side wall, and a second sealing ring is installed in the third annular installation groove.

[0012] Furthermore, a filtering component is provided in the filter bottle.

[0013] Furthermore, the upper end of the filter bottle is connected to a valve head body, and the valve head body is provided with a pressure gauge.

[0014] The beneficial effects of the utility model compared with the prior art are as follows: the utility model optimizes the structure, omits the ball valve with complex structure, reduces the processing cost, is simple to install and maintain, and is convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a cross-sectional view of a pre-filter with a rotary sewage discharge structure according to the utility model;

[0016] Figure 2 A three-dimensional diagram of the filter bottle involved in this scheme;

[0017] Figure 3 A three-dimensional diagram of the sewage drain seat involved in this scheme;

[0018] Figure 4 A three-dimensional diagram of the rotating upper sleeve involved in this scheme;

[0019] Figure 5 A three-dimensional diagram of the rotating lower sleeve involved in this scheme;

[0020] Figure 6 It is a three-dimensional diagram of the sewage discharge part involved in this scheme. DETAILED DESCRIPTION

[0021] like Figure 1As shown, a pre-filter with a rotating sewage discharge structure according to an embodiment of the utility model includes a filter bottle 1, a filter assembly 2, a valve head body 3, and a pressure gauge 4. The filter assembly 2 is arranged in the filter bottle 1, the valve head body 3 is arranged at the upper end of the filter bottle 1, and the pressure gauge 4 is arranged at the upper end of the valve head body 3.

[0022] Furthermore, if Figure 1 As shown, the filter bottle 1 in this embodiment is provided with a sewage outlet 5 at the lower end, and the filter bottle 1 is provided with a sewage outlet 5 and a sewage outlet seat 6 and a rotating sleeve 7 that rotates from the inside to the outside. The upper end of the sewage outlet seat 6 is clamped in the sewage outlet 5 and rotates and seals with the inner wall of the sewage outlet 5. The rotating sleeve 7 is connected to the lower end of the sewage outlet seat 6 through a sewage outlet joint 8 to limit the axial movement of the sewage outlet seat 6. The outer wall of the sewage outlet seat 6 is clamped with the inner wall of the rotating sleeve 7 and is used to drive the rotating sleeve 7 to rotate synchronously.

[0023] Among them, Figure 1~Figure 5 As shown, in this embodiment, a first annular mounting groove 51 is provided on the inner wall of the sewage outlet 5, and an extension portion 61 is provided on the upper end of the sewage outlet seat 6. The sewage outlet seat 6 is clamped on the first annular mounting groove 51 through the extension portion 61. The rotating sleeve 7 has a limiting step 71 that matches the lower wall surface of the sewage outlet 5 and a connecting portion 72 that matches the sewage outlet joint 8. When the rotating sleeve 7 is screwed to the lower end of the sewage outlet seat 6 through the sewage outlet joint 8, the extension portion 61 abuts against the first annular mounting groove 51, and the limiting step 71 on the rotating sleeve 7 abuts against the lower wall surface of the sewage outlet 5, thereby making the sewage outlet seat 6 and the rotating sleeve 7 cannot move in the axial direction; at the same time, the first clamping section 62 and the second clamping section 63 are respectively extended out of the sewage outlet 5 at the lower end of the sewage seat 6, and the rotating sleeve 7 is divided into a rotating upper sleeve 7-1 and a rotating lower sleeve 7-2. The outer grooves of the rotating upper sleeve 7-1 and the rotating lower sleeve 7-2 are in contact with each other, and the inner sides are in contact with each other. The inner wall of the rotating upper sleeve 7-1 is clamped with the outer wall of the first clamping section 62, and the inner wall of the rotating lower sleeve 7-2 is clamped with the outer wall of the second clamping section 63. The sewage seat 6 can be driven to rotate by rotating the rotating upper sleeve 7-1 or the rotating lower sleeve 7-2.

[0024] Furthermore, if Figure 1~Figure 5 As shown, the cross-section of the connection between the rotating upper sleeve 7-1 and the first clamping section 62 in this embodiment is a polygon, and the outer wall of the first clamping section 62 is provided with a protrusion 621 corresponding to each corner of the polygon. The rotating upper sleeve 7-1 cooperates with each corner of the clamping polygon through each protrusion 621, thereby realizing that the rotating upper sleeve 7-1 drives the sewage seat 6 to rotate; at the same time, the inner side surface where the rotating lower sleeve 7-2 is connected to the second clamping section 63 is evenly provided with a plurality of racks 7-21 around the circumference, and the second clamping section 63 is provided with a toothed protrusion 631 that cooperates with the rack 7-21. The rotating lower sleeve 7-2 is clamped with the toothed protrusion 631 through the rack 7-21, thereby realizing that the rotating lower sleeve 7-2 drives the sewage seat 6 to rotate.

[0025] In addition, if Figure 1~Figure 5As shown, the drain seat 6 in this embodiment is arranged in the drain outlet 5 with a first sealing section 64, the first sealing section 64 is clearance-matched with the drain outlet 5, and a plurality of second annular mounting grooves 641 are provided on the side wall, and a sealing ring 10 is installed in the second annular mounting groove 641, and the sealing ring 10 is used to increase the sealing between the outer wall of the drain seat 6 and the inner wall of the drain outlet 5.

[0026] Furthermore, if Figure 1 , Figure 6 As shown, the sewage seat 6 in this embodiment is provided with a sewage member 9, and the sewage member 9, the sewage seat 6, and the sewage joint 8 are provided with a sewage channel 11 connected to the outside world. A plurality of side openings 91 connected to the sewage channel 11 are provided on the side wall of the sewage member 9. The sewage member 9 moves up and down through the rotation of the sewage seat 6, thereby opening and closing the connection between the filter bottle 1 and the outside world; that is, when the sewage member 9 moves up a certain distance, the filter bottle 1 is connected with the side opening 91, thereby realizing the connection between the filter bottle 1 and the outside world; when the sewage member 9 moves down a certain distance, the outer wall of the sewage member 9 above the side opening 91 is sealed and connected with the inner wall of the sewage seat 6, and the filter bottle 1 is not connected with the side opening 91, thereby making the filter bottle 1 not connected to the outside world.

[0027] Among them, Figure 1 , Figure 6 As shown, the sewage discharge member 9 in this embodiment is provided with a threaded section 92 below the side opening 91, and the threaded section 92 is connected to the sewage discharge seat 6 by threads. Linear guide rails 12 are provided on both sides of the inner wall of the filter bottle 1, and a sliding portion 93 is provided on the upper end of the sewage discharge member 9. The sliding portion 93 is used in conjunction with the linear guide rail 12, so that the sewage discharge member 9 can move up and down along the linear guide rail 12; at the same time, the sewage discharge member 9 is provided with a second sealing section 94 between the side opening 91 and the sliding portion 93, the second sealing section 94 is clearance-matched with the sewage discharge seat 6, and a plurality of third annular mounting grooves 941 are provided on the outer wall, and a sealing ring 13 is installed in the third annular mounting groove 941, and the sealing ring 13 is matched with the inner wall of the sewage discharge seat 6 to open and close the connection between the filter bottle 1 and the side opening 91.

[0028] When using, Figure 1 As shown, when sewage needs to be discharged, the rotary sleeve 7 is rotated to move the sewage discharge member 9 upward, and the sewage in the filter bottle 1 can be discharged outward through the side opening 91 to the sewage discharge channel 11; when sewage discharge is completed, the rotary sleeve 7 is rotated in the reverse direction to move the sewage discharge member 9 downward.

[0029] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A pre-filter with a rotary sewage discharge structure, comprising a filter bottle (1) with a sewage discharge port (5), characterized in that: The filter bottle (1) is provided with a sewage discharge seat (6) and a rotating sleeve (7) at the sewage discharge port (5) so as to rotate from the inside to the outside. The upper end of the sewage discharge seat (6) is clamped in the sewage discharge port (5) and is rotatably sealed with the inner wall of the sewage discharge port (5). The rotating sleeve (7) is connected to the lower end of the sewage discharge seat (6) through a sewage discharge joint (8) so as to limit the axial movement of the sewage discharge seat (6). The outer wall of the sewage discharge seat (6) is clamped with the inner wall of the rotating sleeve (7) and is used to drive the rotating sleeve (7) to rotate synchronously. A sewage discharge member (9) is provided in the sewage discharge seat (6). The sewage discharge member (9) moves up and down through the rotation of the sewage discharge seat (6) so as to open and close the connection between the filter bottle (1) and the outside.

2. The pre-filter with a rotary sewage discharge structure according to claim 1, characterized in that: The inner wall of the sewage outlet (5) is provided with a first annular mounting groove (51), the upper end of the sewage outlet seat (6) is provided with an extension portion (61) for clamping, and the rotating sleeve (7) has a limiting step (71) matched with the lower wall surface of the sewage outlet (5) and a connecting portion (72) matched with the sewage outlet joint (8).

3. The pre-filter with a rotary sewage discharge structure according to claim 2, characterized in that: The lower end of the sewage discharge seat (6) extending out of the sewage discharge port (5) comprises a first clamping section (62) and a second clamping section (63), and the rotating sleeve (7) is divided into a rotating upper sleeve (7-1) and a rotating lower sleeve (7-2). The inner side wall of the rotating upper sleeve (7-1) is clamped with the outer side wall of the first clamping section (62), and the inner side wall of the rotating lower sleeve (7-2) is clamped with the outer side wall of the second clamping section (63).

4. The pre-filter with a rotary sewage discharge structure according to claim 3, characterized in that: The cross-section of the connection between the rotating upper sleeve (7-1) and the first clamping section (62) is polygonal, and the outer wall of the first clamping section (62) is provided with a protrusion (621) at each corner of the polygon corresponding to the outer wall; the inner side surface of the connection between the rotating lower sleeve (7-2) and the second clamping section (63) is evenly provided with a plurality of racks (7-21) around the circumference, and the second clamping section (63) is provided with a toothed protrusion (631) that cooperates with the rack (7-21).

5. The pre-filter with a rotary sewage discharge structure according to claim 2, characterized in that: The sewage outlet (5) of the sewage outlet seat (6) is provided with a first sealing section (64), the first sealing section (64) is clearance-matched with the sewage outlet (5), and a plurality of second annular mounting grooves (641) are provided on the side wall, and a sealing ring (10) is installed in the second annular mounting groove (641).

6. The pre-filter with a rotary sewage discharge structure according to claim 1, characterized in that: A sewage discharge passage (11) communicating with the outside is provided inside the sewage discharge member (9), the sewage discharge seat (6) and the sewage discharge joint (8); a plurality of side openings (91) communicating with the sewage discharge passage (11) are provided on the side wall of the sewage discharge member (9); when the sewage discharge member (9) moves upward by a certain distance, the filter bottle (1) communicates with the side openings (91); when the sewage discharge member (9) moves downward by a certain distance, the outer wall of the sewage discharge member (9) above the side openings (91) is sealedly connected to the inner wall of the sewage discharge seat (6), and the filter bottle (1) is not communicated with the side openings (91).

7. The pre-filter with a rotary sewage discharge structure according to claim 6, characterized in that: The sewage discharge member (9) has a threaded section (92) below the side opening (91), and the threaded section (92) is connected to the sewage discharge seat (6) by means of threads. Linear guide rails (12) are provided on both sides of the inner wall of the filter bottle (1), and a sliding portion (93) for use with the linear guide rails (12) is provided at the upper end of the sewage discharge member (9).

8. The pre-filter with a rotary sewage discharge structure according to claim 7, characterized in that: The sewage discharge member (9) is provided with a second sealing section (94) between the side opening (91) and the sliding portion (93); the second sealing section (94) is clearance-matched with the sewage discharge seat (6); and a plurality of third annular mounting grooves (941) are provided on the outer side wall; a second sealing ring (13) is installed in the third annular mounting groove (941).

9. A pre-filter with a rotary sewage discharge structure according to any one of claims 1 to 8, characterized in that: The filter bottle (1) is provided with a filter assembly (2).

10. A pre-filter with a rotary sewage discharge structure according to any one of claims 1 to 8, characterized in that: The upper end of the filter bottle (1) is connected to a valve head body (3), and a pressure gauge (4) is provided on the valve head body (3).

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