Locking structure for upper cover of filter

Abstract

The utility model discloses a locking structure for an upper cover of a filter. The locking structure comprises an upper clamp component and a fastener, the upper clamp ring assembly comprises an upper clamp ring, a plurality of connecting pieces are arranged along the outer circumferential surface of the upper clamp ring, and the fastening piece is connected with the upper clamp ring through the connecting pieces; 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, a transversely-penetrating shaft hole is formed in the connecting sleeve, a fixing shaft penetrates through the shaft hole to be installed on the connecting piece, the rotary locking block is arranged on a threaded section at the top of the screw rod, and the rotary locking block comprises a pressing block and a shifting block; and the rotary locking block is connected with the screw rod through a pressing block. The upper clamp assembly is arranged at the top of the filter body, and the fasteners are arranged on the upper clamp assembly, so that when the upper cover of the filter is in a closed state, the shifting block is rotated to drive the pressing block to rotate and move downwards along the screw until the bottom of the pressing block tightly presses the upper cover of the filter; therefore, the upper cover of the filter can be quickly locked.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter field especially relates to a locking structure for filter upper cover. 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 arranged 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 filter assembly is arranged between the water saving filling pipe and the water collecting pipe, the bottom end of the water collecting pipe is communicated with the first outlet arranged 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, which effectively prevents 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 structure for filter upper cover to solve the problems in the prior art.

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

[0009] A locking structure for filter upper cover, comprising an upper ring assembly, and a plurality of fasteners arranged on the upper ring assembly;

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

[0011] 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 formed in the connecting sleeve, and the connecting sleeve is installed on the connecting piece through a fixed shaft penetrating through the shaft hole, the rotating locking block is arranged on the threaded section at the top of the screw rod, the rotating locking block comprises a pressing block and a poking 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 move up and down along the screw rod through the poking block.

[0012] Further, the connecting piece comprises a base, the inner side surface of the base is connected and fixed with the outer circumferential surface of the upper ring through a welding process, the outer side surface of the base is oppositely provided with two limiting plates, the bottom of the fastener is arranged between the two limiting plates, and a bolt hole for fixing the fastener is formed in the limiting plate.

[0013] Further, the outer side surface of the base is an arc surface, and the curvature of the arc surface is adapted to the curvature of the outer circumferential surface of the upper ring.

[0014] In summary, the utility model has the following beneficial effects:

[0015] By arranging the upper ring assembly on the top of the filter body and arranging a plurality of fasteners on the upper ring assembly, when the filter upper cover is in the closed state, the pressing block is driven to rotate and move downward along the screw rod by rotating the poking 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

[0016] Fig. 1 is the schematic view of the locking structure for the filter upper cover.

[0017] Fig. 2 is the structural schematic view of the upper ring assembly. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with the drawings and specific embodiments.

[0019] As Figs. 1-2 shown, the utility model provides a locking structure for filter upper cover, which comprises an upper ring assembly 1 and a plurality of fasteners 2 arranged on the upper ring assembly 1.

[0020] The upper ring assembly 1 comprises an upper ring 11, a plurality of connecting pieces 12 are arranged on the outer circumferential surface of the upper ring 11, and the fastener 2 is connected with the upper ring 11 through the connecting pieces 12;

[0021] The fastener 2 comprises a screw rod 21, a connecting sleeve 22 and a rotating locking block 23, the bottom of the screw rod 21 is sleeved with the connecting sleeve 22, a transversely-through shaft hole is formed in the connecting sleeve 22, and the connecting sleeve 22 is installed on the connecting piece 12 through a fixed shaft 24 penetrating through the shaft hole, the rotating locking block 23 is arranged on the threaded section at the top of the screw rod 21, the rotating locking block 23 comprises a pressing block 25 and a poking block 26, the rotating locking block 23 is connected with the screw rod 21 through the pressing block 25, and the rotating locking block 23 drives the pressing block 25 to rotate and move up and down along the screw rod 21 through the poking block 26.

[0022] 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 2 is arranged between the two limiting plates 14, and a bolt hole for fixing the fastener 2 is formed in the limiting plate 14.

[0023] The outer side surface of the base 13 is an arc surface, and the arc of the arc surface is adapted to the arc of the outer circumferential surface of the upper ring 11.

[0024] The working principle of the utility model is as follows:

[0025] The upper ring assembly is arranged on the top of the filter body, a plurality of fasteners are arranged on the upper ring assembly, when the filter upper cover is in the closed state, the pressing block is driven to rotate and move downward along the screw rod through the rotating poking block, until the bottom of the pressing block tightly presses the filter upper cover, so that the filter upper cover is quickly locked.

[0026] In this paper, the terms "upper", "lower", "front", "rear", "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 of the technical scheme and facilitating description, and therefore cannot be understood as a limitation on the utility model.

[0027] In this paper, 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.

[0028] 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 examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and 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 structure for a filter upper cover, characterized by, The utility model relates to a kind of upper ring assembly and fastener, comprising upper ring assembly (1), and the fastener (2) of being arranged on upper ring assembly (1) and several; The upper ring assembly (1) includes an upper ring (11), a plurality of connecting pieces (12) are arranged along the outer circumferential surface of the upper ring (11), and the fastener (2) is connected with the upper ring (11) through the connecting pieces (12); The fastener (2) includes a screw rod (21), a connecting sleeve (22) and a rotating locking block (23), the bottom of the screw rod (21) is sleeved with the connecting sleeve (22), an axial hole is formed on the connecting sleeve (22) and passes through, and the connecting sleeve (22) is installed on the connecting piece (12) through a fixed shaft (24), the rotating locking block (23) is arranged on the threaded section of the top of the screw rod (21), the rotating locking block (23) includes a pressing block (25) and a pushing block (26), the rotating locking block (23) is connected with the screw rod (21) through the pressing block (25), and the rotating locking block (23) drives the pressing block (25) to rotate and moves up and down along the screw rod (21) through the pushing block (26).

2. The locking structure for a filter upper cover according to claim 1, wherein The connecting piece (12) includes 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 welding process, the outer side surface of the base (13) is oppositely provided with two limiting plates (14), the bottom of the fastener (2) is arranged between the two limiting plates (14), and a bolt hole for fixing the fastener (2) is formed on the limiting plate (14).

3. The locking structure for a filter upper cover according to claim 2, wherein The outer side surface of the base (13) is arc surface, and the arc of the arc surface is adapted to the arc of the outer circumferential surface of the upper ring (11).

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