CN217431075U

CN217431075U - Pre-filter capable of being cleaned quickly

Info

Publication number: CN217431075U
Application number: CN202221219993.8U
Authority: CN
Inventors: 冷佳航; 刘静; 刘猛; 谢果
Original assignee: CHONGQING JINGUAN AUTOMOBILE MANUFACTURE CO LTD
Current assignee: CHONGQING JINGUAN AUTOMOBILE MANUFACTURE CO LTD
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-09-16
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a pre-filter which can be cleaned rapidly, comprising a rapid joint, an end cover and a filter element component; the filter element assembly comprises a connecting ring and membrane wires, and the membrane wires are fixed on the connecting ring; the connecting ring is detachably connected with the end cover; the quick connector comprises a quick connector body and a clamp, and the clamp is in interference fit with the quick connector body and is used for fixing the water outlet pipe; the quick coupling body is clamped with the end cover. The utility model discloses a can dismantle quick-operation joint, end cover and the filter element group spare of connecting in proper order, the dismouting of the leading filter of being convenient for is washd, avoids leading filter core because of blockking up can not the operation, is applicable to long-time field work. When the membrane silk needs to be replaced, the whole replacement of the membrane silk can be quickly realized, so that the rear-stage filter element is effectively protected, and the service life of the filter element is prolonged.

Description

Pre-filter capable of being cleaned quickly

Technical Field

The utility model relates to a but abluent prefilter fast belongs to prefilter technical field.

Background

The outdoor water source contains pathogenic bacteria, worm eggs and the like. If untreated water is drunk, the water may be infected with germs, and symptoms such as dizziness, fever, diarrhea, etc. appear, if larvae of parasites enter the human body, the larvae of the parasites parasitize in the human body, and the health is endangered. Therefore, when the outdoor water purifier is used in field work, the outdoor water purifier is generally carried to treat outdoor water sources so as to obtain safe and sanitary drinking water. The filter core is the part of playing the filtering action in the water purifier, however the filter core is after using a period, often because silt, microorganism, impurity such as heavy metal in the outdoor water source and jam, and the user need change the filter core of purifier this moment, and the filter core is changed and needs professional personnel and dedicated equipment, and the expense is expensive, influences user experience.

In order to effectively prolong the service life of the filter element of the water purifier, a front filter is adopted to protect a rear-stage filter element. The conventional prefilter is of a metal mesh plus filter paper structure. The filter element has poor filtering precision and poor protection effect on a post-stage filter element, and is easy to be blocked by silt when being used outdoors and needs to be frequently replaced or backwashed. Therefore, the service life of the water purifier is short, and the outdoor portable spare filter element is large in quantity. This has a major limitation on long-term field work such as field rescue, field training, etc. Meanwhile, the filter element which is frequently replaced brings more environmental protection problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a but abluent prefilter fast has solved the difficult washing of prefilter among the prior art, the technical problem who blocks up easily.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a pre-filter capable of being cleaned quickly comprises a quick connector, an end cover and a filter element assembly; the filter element assembly comprises a connecting ring and membrane wires, and the membrane wires are fixed on the connecting ring; the connecting ring is detachably connected with the end cover; the quick connector comprises a quick connector body and a clamp, and the clamp is in interference fit with the quick connector body and is used for fixing the water outlet pipe; the quick coupling body is clamped with the end cover.

Preferably, the end cap comprises a connecting seat provided with a first internal thread; the connecting ring comprises a pipe body, and the outer diameter of the pipe body is matched with the inner diameter of the connecting seat; the connecting part of the pipe body and the connecting seat is provided with a first external thread, and the first external thread is matched with a first internal thread of the connecting seat.

Preferably, the connecting seat is provided with a clamping part; the clamping part is provided with a buckle; a clamping groove is formed in the quick connector body, and the buckle and the clamping groove are correspondingly arranged and used for being clamped with the clamping groove. The quick connector is connected with the end cover in a clamping mode, and the pre-filter can be quickly separated from the water outlet pipe when not in use.

Preferably, the clamping groove is shaped like a Chinese character '7'.

Preferably, the tube body and the membrane filaments are fixed through the adhesive layer, so that the connecting ring and the membrane filaments form a whole body, and the whole body replacement is convenient.

Preferably, the adhesive layer is an epoxy resin adhesive layer or a polyurethane adhesive layer.

Preferably, the attachment ring further comprises a flange structure connected to the tube body; the flange structure is detachably connected with a protective cover, and the membrane wires are positioned in the protective cover; and the protective cover is provided with a water through hole. The protective cover is provided with water holes, when the filter is used outdoors, the pre-filter can be directly placed in rivers, lakes and other water sources, and the protective cover can protect the membrane filaments from being scratched by sand stones, shell organisms and the like in water.

Preferably, the outer diameter of the boot matches the inner diameter of the flange structure; a second internal thread is arranged inside the flange structure; and a second external thread is arranged at the joint of the protective cover and the flange structure and is matched with the second internal thread.

Preferably, the membrane filaments are preferably PVDF ultrafiltration membrane filaments. The PVDF material has high filtering precision and is easy to clean, and the filtering speed can be restored to the state before use after cleaning.

Preferably, the inner diameter of the clamp is smaller than the outer diameter of the water outlet pipe. The water outlet pipe is clamped on the quick connector body by the clamp, so that the functions of detachable replacement, pressure bearing and leakage prevention of the water outlet pipe are realized.

The utility model discloses a can dismantle quick-operation joint, end cover and the filter element group spare of connecting in proper order, the dismouting of the leading filter of being convenient for is washd, avoids leading filter core because of blockking up can not the operation, is applicable to long-time field work. When the membrane silk needs to be replaced, the whole replacement of the membrane silk can be quickly realized, so that the rear-stage filter element is effectively protected, and the service life of the filter element is prolonged. Meanwhile, the quick connector can be detached, so that the water outlet pipe is convenient to fold, store and subpackage and store.

Drawings

Fig. 1 is a schematic structural diagram of a prefilter that can be quickly cleaned according to the present invention;

fig. 2 is an exploded view of a pre-filter that can be cleaned quickly according to the present invention;

fig. 3 is a cross-sectional view of a pre-filter that can be rapidly cleaned according to the present invention.

Wherein: 1-quick connector, 101-quick connector body, 1011-clamping groove, 102-clamping hoop, 2-end cover, 201-connecting seat, 202-clamping part, 3-connecting ring, 301-pipe body, 302-flange structure, 4-membrane wire, 5-protective cover, 6-adhesive layer and 7-water outlet pipe.

Detailed Description

For a better understanding of the nature of the present invention, its further description is provided below with reference to the following detailed description and the accompanying drawings.

The utility model is suitable for a to the leading filtration at water source during field operation, concretely relates to but quick abluent leading filter, as shown in fig. 1 to fig. 3, including quick-operation joint 1, end cover 2, filter element group spare and the safety cover 5 that can dismantle the connection in proper order. The filter element assembly comprises an attachment ring 3 and membrane filaments 4. The membrane filaments 4 are fixed on the connecting ring 3 by an adhesive layer 6.

The quick connector 1 is a quick connecting device for a pre-filter and a water outlet pipe 7, and comprises a quick connector body 101 and a clamp 102. The clamp 102 is in interference fit with the quick connector body 101 and used for fixing the water outlet pipe 7. Preferably, the inner diameter of the clamp 102 is smaller than the outer diameter of the water outlet pipe 7. The water outlet pipe 7 is hooped on the quick connector body 101 by the hoop 102, so that the functions of detachable replacement, pressure bearing and leakage prevention of the water outlet pipe 7 are realized.

A clamping groove 1011 is formed in the quick connector body 101, and the clamping groove 1011 is 7-shaped. The end cover 2 comprises a connecting seat 201, a clamping portion 202 is arranged on the connecting seat 201, a buckle is arranged on the clamping portion 202, and the buckle corresponds to the clamping groove 1011 and is used for being clamped with the clamping groove 1011. The connection holder 201 is provided with a first internal thread. When the quick coupling 1 is engaged with the end cap 2, the snap on the engaging portion 202 is aligned to the engaging groove 1011, so that the snap contacts with the engaging groove 1011, and then rotates along the groove-opening direction of the engaging groove 1011 to engage the quick coupling 1 with the end cap 2. Quick-operation joint 1 and end cover 2 adopt the mode of joint to be connected, can be quick when not using with leading filter and outlet pipe separation, quick-operation joint 1 also can be dismantled simultaneously, makes things convenient for the outlet pipe to fold to accomodate and subpackage and deposits.

The connection ring 3 comprises a tubular body 301 and a flange structure 302 connected to the tubular body 301. The outer diameter of the tube body 301 matches the inner diameter of the connector holder 201. A first external thread is arranged at the joint of the pipe body 301 and the connecting seat 201, and is matched with a first internal thread of the connecting seat 201; the flange structure 302 is internally provided with a second internal thread.

The membrane silk 4 passes through viscose layer 6 and body 301 fixed connection, and viscose layer 6 is epoxy glue or polyurethane glue layer etc.. The film filaments 4 and the connecting ring 3 are annularly integrated into a whole by the adhesive layer 6, so that the whole replacement is convenient. The membrane filaments 4 are preferably PVDF ultrafiltration membrane filaments. The PVDF material has high filtering precision and is easy to clean, and the filtering speed can be restored to the state before use after cleaning.

The protective cover 5 is located outside the membrane thread 4 with an outer diameter matching the inner diameter of the flange structure 302. The connection of the protective cover 5 and the flange structure 302 is provided with a second external thread, which matches the second internal thread. The protective cover 5 is provided with water holes, when the filter is used outdoors, the pre-filter can be directly placed in water sources such as rivers and lakes, and the protective cover 5 can protect the membrane filaments 4 from being scratched by sand stones, shell organisms and the like in water.

The utility model discloses a theory of operation: when field work is carried out, the water outlet pipe 7 of the quick connector 1 is connected, water flows into the protective cover 5 through the water hole and is filtered by the membrane wire 4, and then the water flows sequentially through the pipe body 301, the connecting seat 201, the clamping part 202 and the quick connector 1 to enter the water outlet pipe 7. When the front filter needs to be cleaned after being used for a period of time, the membrane wires 4 can be cleaned by directly taking down the protective cover 5; if the membrane wires 4 need to be replaced, the connecting ring 3 is directly taken down from the end cover 2.

It should be noted that, although the present invention has been described by the above embodiments, the present invention may have other various embodiments. Various modifications and changes may be made by those skilled in the art without departing from the spirit and scope of the invention, and it is intended that all such modifications and changes fall within the scope of the appended claims and their equivalents.

Claims

1. A prefilter that can wash fast which characterized in that: comprises a quick connector (1), an end cover (2) and a filter element component; the filter element assembly comprises a connecting ring (3) and membrane filaments (4), and the membrane filaments (4) are fixed on the connecting ring (3); the connecting ring (3) is detachably connected with the end cover (2); the quick connector (1) comprises a quick connector body (101) and a clamp (102), wherein the clamp (102) is in interference fit with the quick connector body (101) and is used for fixing the water outlet pipe (7); the quick coupling body (101) is clamped with the end cover (2).

2. The rapidly cleanable pre-filter according to claim 1, wherein: the end cover (2) comprises a connecting seat (201), and a first internal thread is arranged on the connecting seat (201); the connecting ring (3) comprises a pipe body (301), and the outer diameter of the pipe body (301) is matched with the inner diameter of the connecting seat (201); the connecting part of the pipe body (301) and the connecting seat (201) is provided with a first external thread, and the first external thread is matched with a first internal thread of the connecting seat (201).

3. The rapidly cleanable pre-filter as set forth in claim 2, wherein: the connecting seat (201) is provided with a clamping part (202); a buckle is arranged on the clamping part (202); be provided with draw-in groove (1011) in quick-operation joint body (101), buckle and draw-in groove (1011) correspond the setting for with draw-in groove (1011) block.

4. The rapidly cleanable pre-filter according to claim 3, wherein: the clamping groove (1011) is in a 7 shape.

5. The rapidly cleanable pre-filter as set forth in claim 2, wherein: the pipe body (301) is fixed with the film filaments (4) through the adhesive layer (6).

6. The rapidly cleanable pre-filter as set forth in claim 5, wherein: the adhesive layer (6) is an epoxy resin adhesive or a polyurethane adhesive layer.

7. The rapidly cleanable pre-filter as set forth in claim 2, wherein: the connecting ring (3) further comprises a flange structure (302) connected with the pipe body (301); the flange structure (302) is detachably connected with a protective cover (5), and the membrane wire (4) is positioned in the protective cover (5); and the protective cover (5) is provided with a water through hole.

8. The rapidly cleanable pre-filter according to claim 7, wherein: the outer diameter of the protective cover (5) is matched with the inner diameter of the flange structure (302); a second internal thread is arranged inside the flange structure (302); and a second external thread is arranged at the joint of the protective cover (5) and the flange structure (302), and the second external thread is matched with the second internal thread.

9. The rapidly cleanable pre-filter as set forth in claim 1, wherein: the membrane filaments (4) are preferably PVDF ultrafiltration membrane filaments.

10. The rapidly cleanable pre-filter as set forth in claim 1, wherein: the inner diameter of the clamp (102) is smaller than the outer diameter of the water outlet pipe (7).