阅读说明：本技术 液体过滤器 (Liquid filter ) 是由 方作胜 于 2020-12-07 设计创作，主要内容包括：本发明提供了液体过滤器,包括管状的本体,所述本体的侧壁上设置有对称设置的第一过滤口和第二过滤口,所述第一过滤口和第二过滤口内分别设置有第一过滤机构和第二过滤机构,所述第一过滤机构包括第一过滤网和第一端盖,所述第一端盖与第一过滤口设置为可拆卸密封连接；所述第二过滤机构包括第二过滤网和第二端盖,所述第二端盖与第二过滤口设置为可拆卸密封连接；所述第一过滤网和第二过滤网之间设置有筒状的连接件,所述连接件的两端分别与第一过滤网、第二过滤网通过螺纹连接,所述连接件的中间设置有圆形的挡板将第一过滤网、第二过滤网分隔。(The invention provides a liquid filter, which comprises a tubular body, wherein a first filtering port and a second filtering port which are symmetrically arranged are arranged on the side wall of the body, a first filtering mechanism and a second filtering mechanism are respectively arranged in the first filtering port and the second filtering port, the first filtering mechanism comprises a first filtering net and a first end cover, and the first end cover and the first filtering port are detachably and hermetically connected; the second filtering mechanism comprises a second filtering net and a second end cover, and the second end cover and the second filtering port are detachably connected in a sealing manner; be provided with the connecting piece of tube-shape between first filter screen and the second filter screen, the both ends of connecting piece pass through threaded connection with first filter screen, second filter screen respectively, the centre of connecting piece is provided with the circular shape baffle and separates first filter screen, second filter screen.)

1. Liquid filter, its characterized in that: the filter comprises a tubular body (10), wherein a first filtering port (11) and a second filtering port (12) which are symmetrically arranged are arranged on the side wall of the body (10), a first filtering mechanism (20) and a second filtering mechanism (30) are respectively arranged in the first filtering port (11) and the second filtering port (12), the first filtering mechanism (20) comprises a first filtering net (21) and a first end cover (22), and the first end cover (22) and the first filtering port (11) are detachably and hermetically connected; the second filtering mechanism (30) comprises a second filtering net (31) and a second end cover (32), and the second end cover (32) is detachably connected with the second filtering port (12) in a sealing way; a cylindrical connecting piece (41) is arranged between the first filter screen (21) and the second filter screen (31), two ends of the connecting piece (41) are respectively connected with the first filter screen (21) and the second filter screen (31) through threads, and a circular baffle (42) is arranged in the middle of the connecting piece (41) to separate the first filter screen (21) from the second filter screen (31); when the first filter screen (21) is inserted into the first filter opening (11) and the first end cover (22) is hermetically connected with the first filter opening (11), one side of the connecting piece (41) far away from the first filter screen (21) covers the second filter opening (12); when the second filter screen (31) is inserted into the second filter opening (12) and the second end cover (32) is connected with the second filter opening (12) in a sealing way, one side of the connecting piece (41) far away from the second filter screen (31) covers the first filter opening (11).

2. The liquid filter of claim 1, wherein: the first filtering port (11) is provided with a first fixing piece (51), one end of the first fixing piece (51) is detachably connected with the body (10), the other end of the first fixing piece (51) is detachably connected with the first end cover (22), and a through hole (52) for the first filtering net (21) to pass through is formed in the middle of the first fixing piece (51); the second filtering port (21) is provided with a second fixing piece (61), and the structure of the second fixing piece (61) is the same as that of the first fixing piece (51).

3. The liquid filter of claim 2, wherein: first mounting (51) are close to first end cover (22) one side and are provided with screw hole (53), first end cover (22) pass through threaded connection with screw hole (53), the diameter of screw hole (53) is greater than the diameter of through-hole (52), screw hole (53) are close to through-hole (52) one side and are provided with sealed the pad.

4. A liquid filter according to claim 2 or 3, wherein: one side, close to the body (10), of the first fixing piece (51) is provided with a threaded piece (54), the threaded piece (54) is in threaded connection with the first filtering opening (11), and the diameter of the first filtering opening (11) is larger than the diameter of the outer wall of the connecting piece (41) and larger than the diameter of the inner wall of the threaded piece (54).

5. The liquid filter of claim 1, wherein: and sealing gaskets are arranged at two ends of the connecting piece (41).

6. The liquid filter of claim 5, wherein: and annular accommodating grooves for accommodating sealing gaskets are arranged at two ends of the connecting piece (41).

7. The liquid filter of claim 1, wherein: a first magnet rod (23) and a second magnet rod (33) are respectively arranged between the first end cover (22), the second end cover (32) and the baffle plate (42).

8. The liquid filter of claim 1, wherein: the first filter screen (21) and the second filter screen (31) have different filtering precisions.

Technical Field

The invention relates to the technical field of valve filtration, in particular to a liquid filter.

Background

A liquid filter is a device for carrying out filtration pretreatment on liquid. The liquid filter is a filtering device which is necessary for a hydraulic control valve and a precise mechanical product easy to block, is an indispensable device of a pipeline series for conveying media, is usually arranged at the inlet end of equipment such as the hydraulic control valve, a pressure reducing valve, a pressure relief valve, a constant water level valve and the like, and is used for eliminating impurities in the media and preventing granular impurities from entering a channel to cause blocking so as to protect the equipment on the pipeline.

After filtering for a certain time, the filter screen needs to be cleaned or replaced, otherwise, the water flow is gradually reduced or the filter screen is damaged; at present, the filter needs to be stopped when being cleaned or replaced, liquid in a pipeline needs to be drained, time and labor are wasted, and how to replace the filter without stopping the filter is the problem which needs to be solved at present

Disclosure of Invention

The present invention addresses the deficiencies of the prior art by providing a liquid filter.

The invention solves the technical problems through the following technical means:

the liquid filter comprises a tubular body, wherein a first filtering port and a second filtering port which are symmetrically arranged are formed in the side wall of the body, a first filtering mechanism and a second filtering mechanism are respectively arranged in the first filtering port and the second filtering port, the first filtering mechanism comprises a first filtering net and a first end cover, and the first end cover and the first filtering port are detachably and hermetically connected; the second filtering mechanism comprises a second filtering net and a second end cover, and the second end cover and the second filtering port are detachably connected in a sealing manner; a cylindrical connecting piece is arranged between the first filter screen and the second filter screen, two ends of the connecting piece are respectively connected with the first filter screen and the second filter screen through threads, and a circular baffle is arranged in the middle of the connecting piece to separate the first filter screen from the second filter screen; when the first filter screen is inserted into the first filter opening and the first end cover is hermetically connected with the first filter opening, one side of the connecting piece, which is far away from the first filter screen, covers the second filter opening; when the second filter screen is inserted into the second filter opening and the second end cover is connected with the second filter opening in a sealing mode, one side, far away from the second filter screen, of the connecting piece covers the first filter opening.

As an improvement of the above technical scheme, the first filter port is provided with a first fixing piece, one end of the first fixing piece is detachably connected with the body, the other end of the first fixing piece is detachably connected with the first end cover, and a through hole for the first filter screen to pass through is formed in the middle of the first fixing piece; the second filtering port is provided with a second fixing piece, and the structure of the second fixing piece is the same as that of the first fixing piece.

As an improvement of the technical scheme, one side, close to the first end cover, of the first fixing piece is provided with a threaded hole, the first end cover is in threaded connection with the threaded hole, the diameter of the threaded hole is larger than that of the through hole, and a sealing gasket is arranged on one side, close to the through hole, of the threaded hole.

As the improvement of the technical scheme, one side, close to the body, of the first fixing piece is provided with a threaded piece, the threaded piece is connected with the first filtering port through threads, and the diameter of the first filtering port is larger than that of the outer wall of the connecting piece and larger than that of the inner wall of the threaded piece.

As an improvement of the technical scheme, two ends of the connecting piece are provided with sealing gaskets.

As the improvement of the technical proposal, the two ends of the connecting piece are provided with annular accommodating grooves for accommodating the sealing gaskets.

As an improvement of the above technical solution, a first magnet bar and a second magnet bar are respectively arranged between the first end cover, the second end cover and the baffle plate.

As an improvement of the technical scheme, the first filter screen and the second filter screen have different filtering precisions.

The invention has the beneficial effects that: the both ends and the pipe connection of body set up first filter mechanism and second filter mechanism and make and can continue to filter with another filter mechanism when wasing or changing filter mechanism, realize not shutting down and wash, change filter mechanism to still can filter when wasing the change, guarantee from the body through liquid all the time through filtering, avoid liquid not through straining flow to next process and cause pollution or other adverse effects.

Drawings

FIG. 1 is a schematic view of a fluid filter in operation of a first filter mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a liquid filter in operation of a second filter mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a liquid filter body, a first fixing member and a second fixing member according to an embodiment of the invention;

the filter comprises a body 10, a first filter opening 11, a second filter opening 12, a first filter mechanism 20, a second filter mechanism 30, a first filter screen 21, a first end cover 22, a second filter screen 31, a second end cover 32, a connecting piece 41, a baffle plate 42, a first fixing piece 51, a through hole 52, a second fixing piece 61, a threaded hole 53, a threaded piece 54, a first magnet rod 23 and a second magnet rod 33.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

As shown in fig. 1 to 3, the liquid filter according to the present embodiment includes a tubular body 10, a first filter opening 11 and a second filter opening 12 are symmetrically disposed on a side wall of the body 10, a first filter mechanism 20 and a second filter mechanism 30 are respectively disposed in the first filter opening 11 and the second filter opening 12, the first filter mechanism 20 includes a first filter screen 21 and a first end cap 22, and the first end cap 22 and the first filter opening 11 are detachably and hermetically connected; the second filtering mechanism 30 comprises a second filtering net 31 and a second end cover 32, and the second end cover 32 and the second filtering port 12 are arranged in a detachable sealing connection; a cylindrical connecting piece 41 is arranged between the first filter screen 21 and the second filter screen 31, two ends of the connecting piece 41 are respectively connected with the first filter screen 21 and the second filter screen 31 through threads, and a circular baffle 42 is arranged in the middle of the connecting piece 41 to separate the first filter screen 21 from the second filter screen 31; when the first filter screen 21 is inserted into the first filter opening 11 and the first end cap 22 is connected with the first filter opening 11 in a sealing manner, one side of the connecting piece 41, which is far away from the first filter screen 21, covers the second filter opening 12; when the second filter 31 is inserted into the second filter opening 12 and the second end cap 32 is sealingly coupled to the second filter opening 12, the side of the coupling member 41 remote from the second filter 31 covers the first filter opening 11.

Connecting the first end cap 22 with the first filter opening 11, covering the second filter opening 12 by the connecting piece 41, and filtering by the first filter 21 of the first filter mechanism 20; when the first filter screen 21 needs to be cleaned or replaced, the first end cap 22 is rotated to be separated from the first filter opening 11, the second end cap 22 is rapidly pushed to be in contact with the second filter opening 12 and screwed, and the connecting member 41 covers the first filter opening 11 at this time, so that the second filter screen 31 of the second filter mechanism 30 is used for filtering.

The both ends and the pipe connection of body 10 set up first filter mechanism 20 and second filter mechanism 30 and make and can continue to filter with another filter mechanism when wasing or changing filter mechanism, realize not shutting down and wash, change filter mechanism to still can filter when wasing the change, guarantee from body 10 through liquid all the time through filtering, avoid liquid not through straining to flow to next process and cause pollution or other adverse effects.

The first filtering port 11 is provided with a first fixing member 51, one end of the first fixing member 51 is detachably connected with the body 10, the other end of the first fixing member 51 is detachably connected with the first end cover 22, and a through hole 52 for the first filtering net 21 to pass through is arranged in the middle of the first fixing member 51; the second filtering port 21 is provided with a second fixing member 61, and the structure of the second fixing member 61 is the same as that of the first fixing member 51; the body 10 is connected with the first filter mechanism 20 and the second filter mechanism 30 by arranging a first fixing piece 51 and a second fixing piece 61; is convenient to replace.

A threaded hole 53 is formed in one side, close to the first end cover 22, of the first fixing piece 51, the first end cover 22 is in threaded connection with the threaded hole 53, the diameter of the threaded hole 53 is larger than that of the through hole 52, and a sealing gasket is arranged on one side, close to the through hole 52, of the threaded hole 53; .

First mounting 51 is provided with screw 54 near body 10 one side, screw 54 passes through threaded connection with first filtration mouth 11, the diameter of first filtration mouth 11 is greater than the outer wall diameter that connecting piece 41 is greater than the inner wall diameter of screw 54, and the installation of being convenient for is connected first filtering mechanism 20, second filtering mechanism 30 through connecting piece 41 earlier, is connected first mounting 51, second mounting 61 and body 10 again, is connected first end cover 22 and first mounting 51 or second end cover 32 and second mounting 61 at last.

The two ends of the connecting piece 41 are provided with sealing gaskets to prevent water leakage.

The both ends of connecting piece 41 are provided with the cyclic annular holding tank that holds sealed pad, prevent sealed pad slippage, cause and leak.

Be provided with first magnet stick 23 and second magnet stick 33 between first end cover 22, second end cover 32 and the baffle 42 respectively for impurity such as iron fillings in the absorption liquid can only set up one in first magnet stick 23 and the second magnet stick 33 in addition, makes the filtering mechanism who has the magnet stick can filter iron fillings, but rivers are less, and the filtering mechanism who does not have the magnet stick can not filter iron fillings, but rivers are great, changes filtering mechanism according to actual demand.

The filter fineness of the first filter screen 21 is different from that of the second filter screen 31, so that the filter fineness can be cleaned and replaced without stopping, and the filter fineness can be rapidly switched without stopping when the filter fineness is required to be adjusted, and convenience and rapidness are realized.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.