Warm air blow-down filter

Abstract

The utility model relates to a heater blowdown filter which comprises a shell, an upper cover and a control wrench are connected above the shell, and the control wrench is connected with a multi-curve cam through a screw. And the drain outlet end cover is screwed down from or mounted on the shell by rotating the wrench. An inner cavity of the shell is divided into an upper cavity and a lower cavity through a partition plate, the upper cavity is a cavity where a multi-curve-shaped cam, a water inlet valve pulling rod and a water outlet valve pulling rod are located, the water inlet valve pulling rod and the water outlet valve pulling rod are extruded together with the multi-curve-shaped cam, and the lower cavity is a cavity where a filter screen, a water inlet valve body and a water outlet valve body are located. Water in the pipeline flows or stops or changes the direction by controlling the wrench to pull at different angles, so that the purposes of taking down and cleaning the filter screen and discharging sewage of the pipeline are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, in particular to a heating sewage filter. Background Art

[0002] Existing Y-shaped and other shaped heating filters require professionals to use professional tools to discharge sewage, or install water-saving valves at the inlet and outlet to close and open the filter to achieve the functions of cleaning the net and discharging sewage. This operation is difficult, which brings great difficulties to cleaning the net and discharging sewage, and has huge safety hazards. At the same time, the existing heating filters are easy to cause blockage due to the small filter screen, which aggravates the difficulty of cleaning the net and discharging sewage. Summary of the invention

[0003] Based on this, the purpose of the utility model is to provide a heating filter device to overcome the shortcomings of traditional filters. Through a control wrench, the water flowing in the heating pipe can flow in one direction, stop in two directions, stop in the water inlet direction and flow out in the return direction. The filter screen is enlarged to greatly extend the sewage discharge cycle. A wrench is provided at the sewage cover to open the sewage cover without adding tools. Only one control wrench is used to adjust the water flow direction in the heating pipe, which greatly improves the convenience and safety of sewage discharge.

[0004] The utility model provides a heating sewage filter. A housing (1) of the heating sewage filter is provided with a water inlet (2), a water outlet (4), a sewage outlet (6.2) and a sealing ring (13). The housing (1) is connected to an upper cover (7) and a sewage outlet end cover (6.1). The upper cover (7) comprises a limit device (20). The sewage outlet end cover (6.1) comprises a wrench (5). The housing (1) is divided into an upper and lower chambers by a partition (14). The upper chamber is provided with a water inlet valve pull rod (10), a water outlet valve pull rod (11) and a multi-curve cam (9). The lower chamber is provided with a filter screen (12), a water inlet valve body (18) and a water outlet valve body (19). The control wrench (8) is connected to the multi-curve cam (9). The multi-curve cam (9) is provided with a camshaft sealing ring (16).

[0005] In the above scheme, further, the partition (14) is located inside the shell (1), dividing the inner chamber of the heating sewage filter into two upper and lower chambers, the chamber where the filter screen (12) is located is the control chamber for the inflow and outflow of heating water, and the chamber where the multi-curve cam (9) is located is the control force output chamber for the inflow and outflow of heating water.

[0006] In the above scheme, further, the multi-curve cam (9) is composed of two linear parts, that is, the radius from the axis is divided into two parts with equal distance and non-equidistant to form a special-shaped closed curve circle.

[0007] In the above scheme, further, the control wrench (8) is connected to the multi-curve cam (9) through a screw (3), so that the force generated by pulling the control wrench (8) is transmitted to the multi-curve cam (9).

[0008] In the above solution, further, the water inlet valve lever (10) and the water inlet valve body (18) are integrally formed.

[0009] In the above solution, further, the water outlet valve pull rod (11) and the water outlet valve body (19) are integrally formed.

[0010] In the above scheme, further, the water inlet valve body (18) is hemispherical in shape and is made of a relatively soft material so as to be tightly sealed with the water inlet. The water inlet valve body (18) is connected to the housing (1) by a shaft on the water inlet valve body (18) and a sleeve on the housing (1) so as to be rotatable.

[0011] In the above scheme, further, the outlet valve body (19) is hemispherical in shape and is made of a relatively soft material so as to be tightly sealed with the water outlet. The outlet valve body (19) is connected to the housing (1) by a shaft on the outlet valve body (19) and a sleeve on the housing (1) so as to be rotatable.

[0012] In the above solution, further, the end of the sewage outlet cover (6.1) has a through hole, so that the wrench (5) can slide in the hole. In the above solution, further, the housing (1) and the upper cover (7) are connected by screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and the description thereof are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 This is the front view of the appearance of the utility model;

[0016] Figure 2 This is a top view of the appearance of the utility model;

[0017] Figure 3 This is the left side view of the appearance of the utility model;

[0018] Figure 4 This is the cross-sectional top view AA of the utility model;

[0019] Figure 5 It is the longitudinal left side view CC of the utility model;

[0020] Figure 6 It is the cross-sectional top view BB of the utility model.

[0021] In the figure: 1-shell, 2-water inlet, 3-screw, 4-water outlet, 5-wrench, 6.1-drain outlet end cover, 6.2-drain outlet, 7-upper cover, 8-control wrench, 9-multi-curve cam, 10-water inlet valve lever, 11-water outlet valve lever, 12-filter, 13-sealing ring, 14-partition, 15-upper cover sealing ring clamp, 16-camshaft sealing ring, 17-clamp screw, 18-water inlet valve body, 19-water outlet valve body, 20-limiting device. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0023] First embodiment

[0024] like Figure 1 As shown, this embodiment provides a heating sewage filter, which is connected to the heating pipe through the water inlet (2) and the water outlet (4) to form an integral whole to complete the function of the heating sewage filter.

[0025] The control wrench (8) is detachably connected to the multi-curve cam (9) via a screw (3); the partition plate (14) is clamped by the upper cover (7) and the housing (1) and is detachable.

[0026] The wrench (5) penetrates the sewage outlet end cover (6.1) and can move forward and backward along the penetration direction.

[0027] The sewage outlet end cover (6.1) can be removed by turning the wrench (5) to rotate the sewage outlet end cover (6.1), and then the filter screen (12) can be removed, and vice versa, it can be installed.

[0028] The camshaft sealing ring (16) is fastened to the upper cover (7) through the upper cover sealing ring clamping plate (15) and the clamping plate screw (17).

[0029] Second embodiment

[0030] This embodiment provides a heating sewage filter, which, in addition to the technical solutions of the above embodiments, also has the following technical features. Figure 2 When the control wrench (8) is in the position, the control wrench (8) is turned clockwise to make it parallel to the limit device (20), and under the joint control of the water pressure in the heating pipe and the multi-curve cam (9), the water inlet valve body (18) and the water outlet valve body (19) are in the open state, and the water in the heating pipe can flow through the filter screen (12).

[0031] The control wrench (8) is turned counterclockwise to make the control wrench (8) perpendicular to the limit device (20). Under the joint control of the multi-curve cam (9), the water inlet valve body (18) and the water outlet valve body (19) are simultaneously in a closed state, and the water in the heating pipe stops flowing. In this state, the wrench (5) can be turned to rotate the sewage outlet end cover (6.1) and then the sewage outlet end cover (6.1) can be removed, and then the filter screen (12) can be removed to clean the dirt on the filter screen (12), and vice versa, it can be installed.

[0032] Third embodiment

[0033] This embodiment provides a heating sewage filter, which, in addition to the technical solutions of the above embodiments, also has the following technical features. When discharging sewage from the pipeline, the filter screen (12) and the sewage outlet end cover (6.1) must first be removed together. Then, the control wrench (8) is slowly rotated counterclockwise to gradually parallel the control wrench (8) and the limit device (20). At present, under the joint control of the multi-curve cam (9), the water inlet valve body (18) is in a closed state and the water outlet valve body (19) is in an open state from small to large to the maximum. At this time, the sewage in the heating pipeline can be discharged, thereby achieving the purpose of pipeline sewage discharge.

Claims

1. Heating sewage filter, characterized by: The housing (1) is provided with a water inlet (2), a water outlet (4), a sewage outlet (6.2), and a sealing ring (13). The housing (1) is connected to an upper cover (7) and a sewage outlet end cover (6.1). The upper cover (7) includes a limit device (20). The sewage outlet end cover (6.1) includes a wrench (5). The housing (1) is divided into an upper and lower chambers by a partition (14). The upper chamber has a water inlet valve pull rod (10), a water outlet valve pull rod (11), and a multi-curve cam (9). The lower chamber has a filter screen (12), a water inlet valve body (18), and a water outlet valve body (19). The control wrench (8) is connected to the multi-curve cam (9). The multi-curve cam (9) has a camshaft sealing ring (16).

2. The heating waste filter according to claim 1, characterized in that: The inner chamber of the heating sewage filter is divided into two upper and lower chambers by a partition (14); the chamber where the filter screen (12) is located is a control chamber for the inflow and outflow of heating water; and the chamber where the multi-curve cam (9) is located is a control force output chamber for the inflow and outflow of heating water.

3. The heating waste filter according to claim 1, characterized in that: The multi-curve cam (9) is composed of two linear parts, namely, the two parts with equal distance and non-equidistant radius from the axis center form a special-shaped closed curve circle.

4. The heating waste filter according to claim 1, characterized in that: The control wrench (8) is connected to the multi-curve cam (9) via a screw (3), so that the force generated by pulling the control wrench (8) is transmitted to the multi-curve cam (9).

5. The heating waste filter according to claim 1, characterized in that: The water inlet valve pull rod (10) and the water inlet valve body (18) are integrally formed.

6. The heating waste filter according to claim 1, characterized in that: The water outlet valve pull rod (11) and the water outlet valve body (19) are integrally formed.

7. The heating waste filter according to claim 1, characterized in that: The water inlet valve body (18) is hemispherical in shape and made of a relatively soft material so as to be tightly sealed with the water inlet. The water inlet valve body (18) is connected to the housing (1) by a shaft on the water inlet valve body (18) and a sleeve on the housing (1) so as to be rotatable.

8. The heating waste filter according to claim 1, characterized in that: The outlet valve body (19) is hemispherical in shape and made of a relatively soft material so as to be tightly sealed with the water outlet. The outlet valve body (19) is connected to the housing (1) by a shaft on the outlet valve body (19) and a sleeve on the housing (1) so as to be rotatable.

9. The heating waste filter according to claim 1, characterized in that: The end of the sewage outlet end cover (6.1) has a through hole, so that the wrench (5) can slide in the hole.

10. The heating waste filter according to claim 1, characterized in that: The housing (1) and the upper cover (7) are connected by screws.

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