Locking device for upper cover of flip type filter

Abstract

The utility model discloses a locking device for an upper cover of a flip type filter. The locking device comprises an upper clamp component, a hinge and a fastener, the upper clamp assembly comprises an upper clamp, and a hinge is mounted on the outer circumferential surface of the upper clamp; a plurality of connecting pieces are arranged along the outer circumferential surface of the upper clamp, and the fasteners are connected with the upper clamp through the connecting pieces; the hinge comprises a base, a connecting face is arranged on the base, the base is fixedly connected with the outer circumferential face of the upper clamp in a welded mode through the connecting face, the bottom of the rotating connecting piece is movably connected with the base through a rotating shaft, and a connecting hole used for being connected with the filter upper cover is formed in the rotating connecting piece. The fastener comprises a screw rod, a connecting sleeve and a rotary locking block, the bottom of the screw rod is sleeved with the connecting sleeve, the rotary locking block is arranged on a threaded section at the top of the screw rod, the rotary locking block comprises a pressing block and a shifting block, the rotary locking block is connected with the screw rod through the pressing block, and the rotary locking block drives the pressing block to rotate through the shifting block and moves up and down along the screw rod.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter field especially relates to a locking device for upper cover of flip -type filter. BACKGROUND

[0002] Filter, usually used in water treatment system or sewage treatment system, it includes filter unit and dosing bucket unit. Among them, filter is usually used to remove suspended solids, impurities and solid particles in water. These filters can adopt different working principles and filter media, such as sand filter, filter screen, filter bag, etc., to meet different water quality treatment needs.

[0003] For example, the patent number 202321481069.1 patent file discloses a low residual bag filter structure, including filter shell, flow guide assembly and filter assembly;The filter shell includes a main body barrel, a liquid inlet and a liquid outlet are provided on the main body barrel;The flow guide assembly includes a filter screen upper seat and a filter screen lower seat arranged in the main body barrel, a plurality of water-saving filling pipes are arranged between the filter screen upper seat and the filter screen lower seat, a water collecting pipe is sleeved on the outer side of the water-saving filling pipe, the water-saving filling pipe and the water collecting pipe are used to install the filter assembly, the bottom end of the water collecting pipe is communicated with the first outlet opened on the filter screen lower seat, a water collecting disc is arranged below the filter screen lower seat, and a second outlet communicated with the liquid outlet is arranged on the water collecting disc;The filter assembly includes a filter material framework and a filter medium, the bottom of the filter material framework is fixed in the positioning groove of the filter screen lower seat, and the top of the filter medium is fixed in the filter screen upper seat through the filter bag pressing plate.

[0004] The above technical scheme sets the flow guide assembly for installing the filter assembly in the filter, and the flow channel of the liquid is limited in the space between the water-saving filling pipe and the water collecting pipe, effectively preventing the liquid from entering other structures inside the filter.

[0005] However, the upper cover in the above technical scheme is placed on the filter, and the connecting hole arranged on the filter needs to be aligned with the upper cover, and fixed by bolts. This connection structure is complex to operate, time-consuming and laborious.

[0006] Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. INVENTION CONTENTS

[0007] The utility model aims at providing a locking device for upper cover of flip -type filter to solve the problems in prior art.

[0008] The above technical purpose of the utility model is realized by the following technical scheme:

[0009] A locking device for upper cover of flip -type filter, including upper ring assembly, and hinge and a plurality of fasteners arranged on the upper ring assembly.

[0010] The upper bundle ring assembly comprises an upper bundle ring, a hinge is mounted on the outer circumferential surface of the upper bundle ring, a plurality of connecting pieces are arranged along the outer circumferential surface of the upper bundle ring, and a fastener is connected with the upper bundle ring through the connecting pieces;

[0011] The hinge comprises a base, a connecting surface is arranged on the base, the base is fixedly connected with the outer circumferential surface of the upper bundle ring through the connecting surface, a group of oppositely arranged connecting ends are arranged on the top of the base, U-shaped holes are arranged on the connecting ends, the U-shaped holes are connected through a rotating shaft, the bottom of a rotating connecting piece is movably connected with the base through the rotating shaft, and a connecting hole for connecting the upper cover of the filter is arranged on the rotating connecting piece;

[0012] The fastener comprises a screw rod, a connecting sleeve and a rotating locking block, the bottom of the screw rod is sleeved with the connecting sleeve, a transversely penetrating shaft hole is arranged on the connecting sleeve, the shaft hole is penetrated by a fixed shaft and is arranged on the connecting piece, the rotating locking block is arranged on the threaded section of the top of the screw rod, the rotating locking block comprises a pressing block and a pushing block, the rotating locking block is connected with the screw rod through the pressing block, and the rotating locking block drives the pressing block to rotate and moves up and down along the screw rod through the pushing block.

[0013] Further, the connecting piece comprises a base, the inner side surface of the base is fixedly connected with the outer circumferential surface of the upper bundle ring through a welding process, two limiting plates are oppositely arranged on the outer side surface of the base, the bottom of the fastener is arranged between the two limiting plates, and a bolt hole for fixing the fastener is arranged on the limiting plate.

[0014] Further, the connecting surface of the base and the outer side surface of the base are arc surfaces, and the curvature of the arc surfaces is adapted to the curvature of the outer circumferential surface of the upper bundle ring.

[0015] A flip type filter comprises a filter body and a filter upper cover, and the filter upper cover is arranged on the top of the filter body through the locking device.

[0016] In conclusion, the utility model has the following beneficial effects:

[0017] The upper bundle ring assembly is arranged on the top of the filter body, the hinge and a plurality of fasteners are arranged on the upper bundle ring assembly, the filter upper cover is movably connected with the upper bundle ring assembly through the hinge, and the opening / closing state can be switched through the rotating shaft; when the filter upper cover is in the closing state, the pressing block is driven to rotate and move downward along the screw rod through the rotating pushing block, until the bottom of the pressing block tightly presses the filter upper cover, so that the filter upper cover is quickly locked. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the opening state schematic view of the flip type filter.

[0019] Figure 2 is the closing state schematic view of the flip filter.

[0020] Figure 3 is the schematic view of the upper ring assembly, hinge and fastener.

[0021] Figure 4 is the schematic view of the upper ring assembly and hinge.

[0022] Figure 5 is the structural schematic view of the hinge. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with the drawings and specific embodiments.

[0024] As shown in Figures 1 to 5 The utility model discloses a locking device for the upper cover of flip filter, including upper ring assembly 1 and the hinge 2 and a plurality of fastener 3 of setting on upper ring assembly 1;

[0025] The upper ring assembly 1 includes an upper ring 11, a hinge 2 is installed on the outer circumferential surface of the upper ring 11, a plurality of connecting pieces 12 are arranged along the outer circumferential surface of the upper ring 11, and the fastener 3 is connected with the upper ring 11 through the connecting pieces 12;

[0026] The hinge 2 includes a base 21, a connecting surface 22 is arranged on the base 21, the base 21 is fixedly connected with the outer circumferential surface of the upper ring 11 through the connecting surface 22, a group of oppositely arranged connecting ends 23 are arranged on the top of the base 21, U-shaped holes 24 are arranged on the connecting ends 23, the U-shaped holes 24 are connected through a rotating shaft 25, the bottom of a rotating connecting piece 26 is movably connected with the base 21 through the rotating shaft 25, and a connecting hole for connecting the upper cover 5 of the filter is arranged on the rotating connecting piece 26.

[0027] The fastener 3 includes a screw rod 31, a connecting sleeve 32 and a rotating locking block 33, the bottom of the screw rod 31 is sleeved with the connecting sleeve 32, an axially penetrating shaft hole is arranged on the connecting sleeve 32, and the shaft hole is arranged on the connecting piece 12 through a fixed shaft 34, the rotating locking block 33 is arranged on the threaded section on the top of the screw rod 31, the rotating locking block 33 includes a pressing block 35 and a pushing block 36, the rotating locking block 33 is connected with the screw rod 31 through the pressing block 35, and the rotating locking block 33 drives the pressing block 35 to rotate and moves up and down along the screw rod 31 through the pushing block 36.

[0028] The connecting piece 12 comprises a base 13, the inner side of the base 13 is connected and fixed with the outer circumferential surface of the upper ring 11 through a welding process, the outer side of the base 13 is oppositely provided with two limiting plates 14, the bottom of the fastener 3 is arranged between the two limiting plates 14, and the bolt hole for fixing the fastener 3 is formed in the limiting plate 14.

[0029] The connecting surface 22 of the base 21 and the outer side of the base 13 are both arc surfaces, and the curvature of the arc surfaces is adapted to the curvature of the outer circumferential surface of the upper ring 11.

[0030] A flip type filter comprises a filter body 4 and a filter upper cover 5, and the filter upper cover 5 is installed on the top of the filter body 4 through the locking device.

[0031] A locking method for a flip type filter upper cover, comprising the following steps:

[0032] 1) The upper ring assembly 1 is sleeved on the top of the filter body 4, and the filter upper cover 5 is connected with the upper ring assembly 1 through the connecting hole on the connecting piece 26;

[0033] 2) When it is needed to close the filter upper cover 5, the filter upper cover 5 and the connecting piece 26 are rotated through the rotating shaft 25, so that the filter upper cover 5 closes the opening on the top of the filter body 4;

[0034] 3) When it is needed to lock the filter upper cover 5, the pressing block 35 is rotated and moves downward along the screw rod 31 by rotating the rotating knob 36, until the bottom of the pressing block 35 tightly presses the filter upper cover 5.

[0035] The utility model discloses a top of filter body is provided with upper ring assembly, is provided with hinge and a plurality of fastener on the upper ring assembly, the filter upper cover is connected with the upper ring assembly through the hinge, and can switch open / close state through the rotating shaft, when the filter upper cover is in the closed state, the pressing block is rotated and moves downward along the screw rod by rotating the rotating knob, until the bottom of the pressing block tightly presses the filter upper cover, thereby realizing the quick locking of the filter upper cover.

[0036] In this document, the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of expressing the clarity and description of the technical scheme, and therefore cannot be understood as a limitation on the utility model.

[0037] In this document, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, in addition to containing the listed elements, but also containing other elements not explicitly listed.

[0038] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Various changes and improvements can be made to the present application without departing from the spirit and scope of the present application. These changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A locking device for a flip-top filter lid, characterized in that The utility model relates to an upper ring assembly (1) and a hinge (2) and a plurality of fasteners (3) arranged on the upper ring assembly (1). The upper ring assembly (1) comprises an upper ring (11) on which the hinge (2) is mounted on the outer circumferential surface of the upper ring (11); a plurality of connecting pieces (12) are arranged along the outer circumferential surface of the upper ring (11), and the fasteners (3) are connected with the upper ring (11) through the connecting pieces (12); The hinge (2) comprises a base (21) provided with a connecting surface (22) on the base (21), the base (21) is welded and fixed with the outer circumferential surface of the upper ring (11) through the connecting surface (22), the top of the base (21) is provided with a group of oppositely arranged connecting ends (23), U-shaped holes (24) are formed on the connecting ends (23), the U-shaped holes (24) are connected through a rotating shaft (25), the bottom of a rotating connecting piece (26) is movably connected with the base (21) through the rotating shaft (25), and a connecting hole for connecting a filter upper cover (5) is formed on the rotating connecting piece (26); The fastener (3) comprises a screw rod (31), a connecting sleeve (32) and a rotating locking block (33), the bottom of the screw rod (31) is sleeved with the connecting sleeve (32), a transversely penetrating shaft hole is formed in the connecting sleeve (32), and the connecting sleeve (32) is installed on the connecting piece (12) through a fixed shaft (34), the rotating locking block (33) is arranged on the threaded section at the top of the screw rod (31), the rotating locking block (33) comprises a pressing block (35) and a pushing block (36), the rotating locking block (33) is connected with the screw rod (31) through the pressing block (35), and the rotating locking block (33) drives the pressing block (35) to rotate and moves up and down along the screw rod (31) through the pushing block (36).

2. The locking device for a flip-top filter lid of claim 1, wherein, The connecting piece (12) comprises a base (13), the inner side surface of the base (13) is connected and fixed with the outer circumferential surface of the upper ring (11) through a welding process, the outer side surface of the base (13) is oppositely provided with two limiting plates (14), the bottom of the fastener (3) is arranged between the two limiting plates (14), and a bolt hole for fixing the fastener (3) is formed in the limiting plate (14).

3. The locking device for a flip-top filter lid of claim 2, wherein, The connecting surface (22) of the base (21) and the outer side surface of the base (13) are both arc surfaces, and the radii of the arc surfaces are adapted to the radius of the outer circumferential surface of the upper ring (11).

4. A flip-top filter comprising a filter body (4) and a filter lid (5), characterized in that The filter upper cover (5) is installed on the top of the filter body (4) through the locking device of claim 1.

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