CN219333278U

CN219333278U - Shallow sand filter

Info

Publication number: CN219333278U
Application number: CN202223524670.2U
Authority: CN
Inventors: 孙荣荣; 孙玉梅
Original assignee: Maanshan Jili Machinery Equipment Co ltd
Current assignee: Maanshan Jili Machinery Equipment Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-07-14
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a shallow sand filter, which comprises a tank body and a cover cap detachably arranged at an opening of the tank body; the bottom of the tank body is provided with an inner water-collecting cylinder which is communicated up and down, an outer water-collecting cylinder is sleeved outside the inner water-collecting cylinder in a vertical sliding mode, a cavity is formed between the inner water-collecting cylinder and the outer water-collecting cylinder, a plurality of pipelines are communicated with the outer wall of the outer water-collecting cylinder, and a water cap is arranged on each pipeline. Solves the problem that the water cap of the existing shallow sand filter is buried in the filler, which results in inconvenient replacement.

Description

Shallow sand filter

Technical Field

The utility model relates to a filtering device, in particular to a shallow sand filter.

Background

The shallow sand filter generally comprises a tank body and a filler arranged in a sub-tank body, wherein a water collector buried in the filler is arranged in the tank body, a plurality of water caps are arranged on the water collector, and water is discharged through the water caps and the water collector after being filtered by the filler. For example, chinese patent No. CN201120209809.7 provides a shallow sand filter, and the filter structure adopts a vertical upper hemisphere and lower hemisphere combined structure, and consists of an upper hemisphere, a lower hemisphere, an interception filter screen, a differential pressure controller, a three-way valve, a water distributor, quartz sand, a collector and a water cap. The device is characterized in that the upper hemisphere is provided with a water inlet, the lower hemisphere is provided with a water outlet, and an interception filter screen is arranged between the upper hemisphere and the lower hemisphere; the water inlet of the ball body is provided with a water distributor, the water outlet is provided with a collector, the collector is connected with a water cap, and quartz sand is covered on the water cap; for example, in the prior art, the water cap is buried in the filler, and when the water cap is blocked or damaged and needs to be replaced, the filler needs to be poured out for replacement, which is very tedious.

Disclosure of Invention

The utility model aims to provide a shallow sand filter, which solves the problem that the water caps of the existing shallow sand filter are buried in the filler, so that the shallow sand filter is inconvenient to replace.

In order to achieve the above object, the present utility model provides a shallow sand filter including a tank and a cap detachably provided at an opening of the tank; the bottom of the tank body is provided with an inner water-collecting cylinder which is communicated up and down, an outer water-collecting cylinder is sleeved outside the inner water-collecting cylinder in a vertical sliding mode, a cavity is formed between the inner water-collecting cylinder and the outer water-collecting cylinder, a plurality of pipelines are communicated with the outer wall of the outer water-collecting cylinder, and a water cap is arranged on each pipeline.

Preferably, a water outlet pipe communicated with the inner water collecting cylinder is arranged at the bottom of the tank body;

the cap is provided with a water inlet pipe.

Preferably, a bracket is fixed inside the inner water collection cylinder, one end of a return spring is connected with the bracket, and the other end of the return spring is connected with the inner top wall of the outer water collection cylinder.

Preferably, the lower end of the outer water collection cylinder extends inwards to form a first annular extension part, and a sealing ring is arranged on the first annular extension part and at least partially abuts against the outer wall of the inner water collection cylinder.

Preferably, the upper end of the inner water collection cylinder extends outwards to form a second annular extension part, a clamping groove is formed in the second annular extension part, and an L-shaped clamping strip is arranged on the first annular extension part.

Preferably, a pull rod is fixed at the upper end of the outer water collecting cylinder.

The utility model provides a shallow sand filter, which comprises a tank body and a cover cap detachably arranged at an opening of the tank body; the bottom of the tank body is provided with an inner water-collecting cylinder which is communicated up and down, an outer water-collecting cylinder is sleeved outside the inner water-collecting cylinder in a vertical sliding mode, a cavity is formed between the inner water-collecting cylinder and the outer water-collecting cylinder, a plurality of pipelines are communicated with the outer wall of the outer water-collecting cylinder, and a water cap is arranged on each pipeline. The tank body is filled with filtering filler, the water cap is positioned in the filler, water flows through the filler, enters the cavity through the water cap after being filtered by the filler, and is discharged from the inner water collecting cylinder; when the water cap needs to be replaced, the cover cap on the tank body is opened, and the outer water collecting cylinder is lifted upwards, so that the water cap on the pipeline is lifted above the filler, the water cap is convenient to overhaul or replace, and the filler is not required to be poured out completely.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is an external block diagram of a shallow sand filter provided by the present utility model;

FIG. 2 is an internal block diagram of a shallow sand filter provided by the present utility model;

FIG. 3 is a cross-sectional view of a shallow sand filter provided by the present utility model;

fig. 4 is an enlarged view of a portion a in fig. 3.

Description of the reference numerals

1-a tank body; 2-capping; 3-a water outlet pipe; 4-a water inlet pipe; 5-an outer water collection cylinder; 6, a pull rod; 7-piping; 8-a water cap; 9-an inner water collecting cylinder; 10-a bracket; 11-a return spring; 12-clamping grooves; 13-clip strips.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

As shown in fig. 1-4: the utility model provides a shallow sand filter, which comprises a tank body 1 and a cover cap 2 detachably arranged at an opening of the tank body 1; the bottom of the tank body 1 is provided with an inner water collecting cylinder 9 which is vertically communicated, an outer water collecting cylinder 5 is sleeved outside the inner water collecting cylinder 9 in a vertically sliding mode, a cavity is formed between the inner water collecting cylinder 9 and the outer water collecting cylinder 5, a plurality of pipelines 7 are communicated with the outer wall of the outer water collecting cylinder 5, and a water cap 8 is arranged on the pipelines 7. The tank body is filled with filtering filler, the water cap is positioned in the filler, water flows through the filler, enters the cavity through the water cap after being filtered by the filler, and is discharged from the inner water collecting cylinder; when the water cap needs to be replaced, the cover cap on the tank body is opened, and the outer water collecting cylinder is lifted upwards, so that the water cap on the pipeline is lifted above the filler, the water cap is convenient to overhaul or replace, and the filler is not required to be poured out completely.

In a preferred embodiment of the present utility model, in order to facilitate water intake and drainage, the bottom of the tank 1 is provided with a water outlet pipe 3 communicating with the inner water collecting cylinder 9;

the cap 2 is provided with a water inlet pipe 4.

In a preferred embodiment of the present utility model, in order to facilitate the downward return of the outer water collection tube 5 after being lifted, a bracket 10 is fixed inside the inner water collection tube 9, and a return spring 11 is connected with the bracket 10 at one end and with the inner top wall of the outer water collection tube 5 at the other end.

In a preferred embodiment of the present utility model, in order to improve the sealing performance between the outer water collecting cylinder 5 and the inner water collecting cylinder 9 and prevent filler from entering the cavity between the two, a first annular extension part is formed by extending the lower end of the outer water collecting cylinder 5 inwards, and a sealing ring is arranged on the first annular extension part and at least partially abuts against the outer wall of the inner water collecting cylinder 9.

In a preferred embodiment of the present utility model, a second annular extension portion is formed at the upper end of the inner water collecting cylinder 9 outwardly, a clamping groove 12 is provided on the second annular extension portion, and an L-shaped clamping bar 13 is provided on the first annular extension portion. The clamping groove 12 is of an arc-shaped structure, and the clamping strip 13 comprises a vertical section fixed on the first annular extension part and a horizontal section connected to the vertical section; after outer water-collecting barrel 5 is lifted, reset spring is stretched, and the card strip passes draw-in groove 12 this moment, later with outer water-collecting barrel 5 rotatory small angle for the horizontal segment block is at the surface of draw-in groove 12, avoids outer water-collecting barrel 5 to reset under the spring action, and after outer water-collecting barrel 5 is spacing, the maintenance of the water cap of being convenient for is changed.

In a preferred embodiment of the present utility model, a pull rod 6 is fixed to the upper end of the outer water collecting cylinder 5. The pull rod 6 here extends at least partially over the filling material, facilitating the extraction of the outer catchment cylinder 5 from the filling material.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims

1. The shallow sand filter comprises a tank body (1) and a cover cap (2) detachably arranged at an opening of the tank body (1); the water tank is characterized in that an inner water collecting cylinder (9) which is vertically communicated is arranged at the bottom of the tank body (1), an outer water collecting cylinder (5) is sleeved outside the inner water collecting cylinder (9) in a vertically sliding mode, a cavity is formed between the inner water collecting cylinder (9) and the outer water collecting cylinder (5), a plurality of pipelines (7) are communicated with the outer wall of the outer water collecting cylinder (5), and a water cap (8) is arranged on the pipeline (7).

2. Shallow sand filter according to claim 1, characterized in that the bottom of the tank (1) is provided with a water outlet pipe (3) communicating with the inner water collection cylinder (9);

a water inlet pipe (4) is arranged on the cap (2).

3. Shallow sand filter according to claim 1, characterized in that the inner water collection cylinder (9) is internally fixed with a bracket (10), one end of a return spring (11) is connected with the bracket (10), and the other end is connected with the inner top wall of the outer water collection cylinder (5).

4. Shallow sand filter according to claim 1, characterized in that the lower end of the outer water collection cylinder (5) extends inwards to form a first annular extension, on which a sealing ring is arranged, which at least partly abuts against the outer wall of the inner water collection cylinder (9).

5. Shallow sand filter according to claim 4, characterized in that the upper end of the inner water collection cylinder (9) is outwardly formed with a second annular extension, the second annular extension is provided with a clamping groove (12), and the first annular extension is provided with an L-shaped clamping strip (13).

6. Shallow sand filter according to claim 1, characterized in that the upper end of the outer water collection cylinder (5) is fixed with a pull rod (6).