CN212188025U

CN212188025U - Double-union filter

Info

Publication number: CN212188025U
Application number: CN201922493895.8U
Authority: CN
Inventors: 王金三; 邵志超; 刘小军
Original assignee: XIAMEN SANIDENG PLASTICS INDUSTRY CO LTD
Current assignee: XIAMEN SANIDENG PLASTICS INDUSTRY CO LTD
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-22
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a double-union filter, which comprises a sleeve, two screw caps, two pipe joints and a filtering part; the outer ports of the screw caps extend inwards to form locking flanges, the inner ports of the pipe joints extend outwards to form locked flanges, the two pipe joints are respectively arranged at the two tail ends of the sleeve, the two screw caps are respectively screwed at the two tail ends of the sleeve, and the inner end surfaces of the pipe joints and the tail end surfaces of the sleeve are abutted against each other through screwing of the screw caps and the sleeve and the locked flanges are abutted against each other inside and outside; one end opening of the sleeve extends inwards to form a positioning step, the filtering part is arranged in the sleeve in a matching mode and is locked and connected with the arrangement of the filtering part along the sleeve direction through the positioning step and the matching of the pipe joint abutting against the other end of the sleeve. It has the following advantages: compact structure, small occupied space, no cracking position and long service life.

Description

Double-union filter

Technical Field

The utility model relates to a filtering mechanism especially relates to a two by making filters.

Background

Existing filters, such as Y-filters, are small devices that remove small amounts of solid particles from liquids. According to CN208878042U, Y type filter includes the valve body, form the valve pocket in the valve body, form first runner, second runner and third runner in the valve pocket, first runner is provided with the feed inlet, the second runner is provided with the discharge gate, the third runner is provided with the bin outlet, be provided with filter equipment in the third runner, filter equipment's middle part is provided with the pull rod, the both ends of pull rod are provided with valve gap and filter respectively, filter and valve pocket internal connection, filter equipment sets up the both ends at the filter, be provided with the hand (hold) on the valve gap, hand (hold) and valve gap integrated into one piece, integrated connection between first runner, second runner, the third runner, the junction between the three adopts the butt welding mode to weld, and the welding seam after the welding adopts polishing processing. The technical scheme has the following defects: 1. the volume is large, the occupied space is large during installation, and the price is high; 2. the Y-shaped interface is easy to crack; 3. the filter device comprises a filter screen, the filter screen is formed by injection molding, the mesh number of the filter screen is limited by a mold, diversification of the filter screen cannot be achieved, the filter area is small, and the water pressure breakage coefficient is large.

SUMMERY OF THE UTILITY MODEL

The utility model provides a two by making filters, it has overcome the not enough that filter exists among the background art.

The utility model provides an adopted technical scheme of its technical problem is:

a double union filter comprises a sleeve, two screw caps, two pipe joints and a filtering part; the outer ports of the screw caps extend inwards to form locking flanges, the inner ports of the pipe joints extend outwards to form locked flanges, the two pipe joints are respectively arranged at the two tail ends of the sleeve, the two screw caps are respectively screwed at the two tail ends of the sleeve, and the inner end surfaces of the pipe joints and the tail end surfaces of the sleeve are abutted against each other through screwing of the screw caps and the sleeve and the locked flanges are abutted against each other inside and outside; one end opening of the sleeve extends inwards to form a positioning step, the filtering part is arranged in the sleeve in a matching mode and is locked and connected with the arrangement of the filtering part along the sleeve direction through the positioning step and the matching of the pipe joint abutting against the other end of the sleeve.

In one embodiment: the filter part comprises a support and a filter screen fixedly arranged on the support, the support is arranged in the sleeve in an adaptive mode and is locked and connected with the support along the direction of the sleeve through a positioning step and a pipe joint abutting against the other end of the sleeve in a supporting mode, and the filter screen is arranged in an annular mode.

In one embodiment: the support comprises an annular frame, two tail ends of the annular frame outwards extend to form positioning convex rings, the two positioning convex rings are connected in the sleeve in an adaptive mode, and annular cavities are formed between the two positioning convex rings and between the sleeve and the annular frame; a partition plate is fixedly arranged in the annular frame in a sealing manner, the annular frame is divided into a first section and a second section which are arranged along the direction of the sleeve through the partition plate, and the first section and the second section of the annular frame are respectively provided with a first through hole and a second through hole which penetrate through the first section and the second section; the filter screen is connected with the annular frame and aligned with the second section; the first through hole is communicated with the first section of inner cavity and the annular cavity and forms a first part communicated with one port of the sleeve, the second section of inner cavity forms a second part communicated with the other port of the sleeve, and the first part and the second part are respectively positioned on two sides of the second through hole and the filter screen.

In one embodiment: the filter screen is connected with the inner wall of the annular frame.

In one embodiment: one end of the sleeve provided with the positioning step is a first end, and the other end of the sleeve is a second end; the annular frame is connected between the positioning step and the pipe joint at the second tail end of the connecting sleeve in an abutting mode.

In one embodiment: a first sealing ring is arranged between the end face of the positioning step and the end face of the pipe joint at the first end of the connecting sleeve; a second sealing ring is arranged between the outer peripheral wall of the positioning step of the annular frame corresponding to the second end of the sleeve and the inner wall of the second end of the sleeve; and a third sealing ring is arranged between the end surface of the positioning step of the annular frame corresponding to the second tail end of the sleeve and the end surface of the pipe joint connected with the second tail end of the sleeve.

In one embodiment: the filter screen is characterized by further comprising a supporting ring, wherein the inner periphery of the supporting ring axially extends to form a positioning ring, the supporting ring is clamped between the annular frame and the pipe joint corresponding to the second end of the sleeve, the positioning ring is located in the filter screen, and the filter screen is clamped in the annular frame and the inner side and the outer side of the annular frame through the positioning ring.

In one embodiment: the end face of the annular frame corresponding to the second end of the sleeve is provided with a notch in a concave mode, and the support ring is connected to the notch and the end face of the support ring is flush with the end face of the annular frame.

In one embodiment: the baffle is convexly provided with an annular part, a limit groove is formed between the inner wall of the annular frame and the annular part, one end of the filter screen is connected in the limit groove, and the other end of the filter screen is matched with the positioning ring.

In one embodiment: the filter screen adopts the PP filter screen, the PP filter screen overlaps and passes through ultrasonic bonding in order to constitute annular structure from beginning to end both sides.

Compared with the background technology, the technical scheme has the following advantages:

according to the technical scheme, the filter and the double-filter-unit structure are skillfully combined together, one of the double-filter-unit structure and the double-filter-unit structure form movable joints at two ends of the filter, so that the filter is convenient to assemble and disassemble, does not have a cracking position, and is long in service life; secondly, the structure is compact, and the occupied space is small; thirdly, the filter part is installed in the sleeve in an adaptive mode, the filter part is locked and connected with the arrangement of the filter part along the direction of the sleeve through the positioning step and the matching of the pipe joint abutting against the other end of the sleeve in a propping mode, the filter is convenient to install and firm in connection, and the installation and the double movable joints of the filter are combined together ingeniously.

The annular frame internal seal sets firmly the baffle, divide into first section and the second section that arranges along the sleeve pipe direction through the baffle with the annular frame, the first section and the second section of annular frame are equipped with inside and outside first through-hole and the second through-hole that runs through respectively, the filter screen dress connects at the annular frame and aligns the second section, first through-hole switch-on first section inner chamber and ring chamber and constitute the first part of switch-on sleeve pipe a port, the second section inner chamber constitutes the second part of switch-on sleeve pipe another port, first part and second part are located the both sides of second through-hole and filter screen respectively, moreover, the steam generator is simple in structure, and convenient assembly.

The inner periphery of the supporting ring axially extends to form a positioning ring, the supporting ring is clamped between the annular frame and the pipe joint corresponding to the second end of the sleeve, the positioning ring is positioned in the filter screen, and the filter screen is clamped inside and outside the positioning ring and the annular frame, so that the filter screen is convenient to assemble and disassemble, and firm and reliable in connection.

The end face of the annular frame corresponding to the second end of the sleeve is concavely provided with a notch, the support ring is connected at the notch, and the end face of the support ring is flush with the end face of the annular frame, so that the annular frame is convenient to assemble and disassemble, and is firm and reliable in connection.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

FIG. 1 is a perspective view of a dual-purpose strainer according to an embodiment.

FIG. 2 is a schematic cross-sectional view of a dual-channel filter according to an embodiment.

Fig. 3 is a schematic perspective exploded view of a dual-channel filter according to an embodiment.

Detailed Description

Referring to fig. 1 to 3, a dual-union filter includes a sleeve 1, two nuts 2, two pipe joints 3, 3', a support ring 4 and a filter part 5.

An end opening of the sleeve 1 extends inwards to form a positioning step 11, furthermore, one end of the sleeve 1 provided with the positioning step 11 is a first end, the positioning step 11 is flush with the end surface of the first end of the sleeve 1, and the other end of the sleeve 1 is a second end.

Two outer ports of the screw cap 2 extend inwards to form locking flanges 21; the inner ports of the pipe joints 3 and 3 ' extend outwards to form locked flanges 31, the inner ports of the pipe joints 3 and 3 ' extend inwards to form matching flanges 32, and the pipe joints 3 and 3 ' can be connected with external input parts and output parts to play a role of joint.

The inner periphery of the support ring 4 extends axially to form a positioning ring 41 to form a T-like structure. The filter part 5 comprises a bracket 51 and a filter screen 52 fixed on the bracket 51, and the filter screen 52 is arranged in a ring shape. The filter screen 52 adopts a PP filter screen, and the two sides of the head and the tail of the PP filter screen are overlapped and welded through ultrasonic waves to form an annular structure, so that the filter screen has rich meshes, can be flexibly selected and used, can meet the requirements of different applications, is firm and reliable in overlapping welding connection, is convenient and quick to process, and has low cost.

The support 51 includes annular frame 511, two ends of annular frame 511 extend outwards and become location bulge loop 512, sealed the setting has a baffle 513 in the annular frame 511, divide into the annular frame along the first section and the second section that sleeve pipe 1 direction was arranged through baffle 513, the first section and the second section of annular frame 511 are equipped with inside and outside first through-hole 514 and the second through-hole 515 that run through respectively, first through-hole 514 number is a plurality of and array arrangement, second through-hole 515 number is a plurality of and array arrangement, annular frame, baffle, bulge loop and through-hole integrated into one piece. The filter screen 52 is attached to the inner wall of the annular frame 511 and aligned with the second section, the support ring 4 is attached to the second end of the annular frame 511, the positioning ring 41 of the support ring 4 is located inside the filter screen 52, and the filter screen 52 is clamped inside and outside the positioning ring 41 and the annular frame 511. Wherein: the partition 513 is provided with a protruding annular portion, a limiting groove 516 is formed between the inner wall of the annular frame 511 and the annular portion, one end of the filter screen 52 is connected in the limiting groove 516, the other end of the filter screen 52 is matched with the positioning ring 41, and the connection strength between the filter screen 52 and the annular frame 511 can be enhanced through the structure. Preferably, the end surface of the second end of the annular frame 511 is concavely provided with a notch 517, the support ring 41 is connected at the notch 517, and the end surface of the support ring 517 is flush with the end surface of the second end of the annular frame 511.

The filtering part 5 is arranged in the sleeve 1; the two positioning convex rings 512 are connected in the inner cavity of the casing 1 in a matching way, and annular cavities 53 are formed between the two positioning convex rings 512 and between the annular frame 511 and the inner wall of the casing 1; the first end face of the annular frame 511 abuts against the positioning step 11, and the second end face of the annular frame 511, the end face of the support ring 4 and the second end face of the sleeve 1 are flush; in the two pipe joints 3, 3': the first pipe joint 3 is connected with the first end surface of the sleeve 1 in an abutting mode, the second pipe joint 3 ' is connected with the second end surface of the sleeve 1 in an abutting mode, the two screw caps 2 are respectively connected with the two tail ends of the sleeve 1 in a threaded mode, the inner end surfaces of the pipe joints 3 and 3 ' and the tail end surface of the sleeve 1 abut against the inner side and the outer side of the locked flange 31 and the locked flange 21 through the screw tightening of the screw caps 2 and the sleeve 1, and therefore the sleeve 1, the two screw caps 2, the two pipe joints 3 and 3 ', a supporting ring 4 and a filtering portion 5 are locked together. Wherein: moreover, the first pipe joint 3 is also abutted against the positioning step 11, and the second pipe joint 3' is also abutted against the second end face of the annular frame 511 and the end face of the support ring 4; the arrangement of the filter part in the direction of the sleeve 1 is locked by the cooperation of the positioning step 11, the support ring 4 and the second pipe joint 3'; the support ring 4 is clamped between the second end of the annular frame 511 and the second pipe connection. In this embodiment, the pipe joint is abutted by the locking flange 31 and the engaging flange 32. The nut and the pipe sleeve are connected by threads, the pipe joint is fixedly connected by screwing the threads, and can be detached to form a movable joint connection, the movable joint consists of two parts, and the two parts are connected by two threads, so that the filter of the embodiment is a double-union filter.

A first sealing ring 12 is arranged between the end surface of the positioning step 11 and the end surface of the first pipe joint 3; a second sealing ring 13 is arranged between the positioning step 512 of the annular frame 511 corresponding to the second end of the sleeve and the inner wall of the second end of the sleeve 1; a third sealing ring 14 is arranged between the end surface of the positioning step 512 of the annular frame 511 corresponding to the second end of the sleeve and the end surface of the second pipe joint 3' to prevent the filtered and unfiltered liquids from mixing together or leaking. The first through hole 514 is communicated with a first section of inner cavity and the annular cavity 53 and forms a first part communicated with one port of the sleeve 1, the second section of inner cavity forms a second part communicated with the other port of the sleeve 1, the first part and the second part are respectively positioned at two sides of the second through hole 515 and the filter screen 52, the first part corresponds to an unfiltered part, and the second part corresponds to a filtered part; the flow direction of the filtered liquid is: the first pipe joint 3, a first section inner cavity of the annular frame 511, a first through hole 514, an annular cavity 53, a second through hole 515, a filter screen 52, a second section inner cavity of the annular frame 511 and a second pipe joint 3'. In this embodiment: large granular materials are mainly concentrated in the first section inner cavity, and small granular materials are mainly concentrated in the ring cavity, so that the disassembly and cleaning are convenient; liquid impacts the partition plate and then enters the filter screen through the first through hole, the annular cavity and the second through hole, the flow speed is reduced, and the situation that the filter screen is directly impacted by the liquid to cause damage to the filter screen is avoided.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. A dual-routing filter, comprising: comprises a sleeve, two screw caps, two pipe joints and a filtering part; the outer ports of the screw caps extend inwards to form locking flanges, the inner ports of the pipe joints extend outwards to form locked flanges, the two pipe joints are respectively arranged at the two tail ends of the sleeve, the two screw caps are respectively screwed at the two tail ends of the sleeve, and the inner end surfaces of the pipe joints and the tail end surfaces of the sleeve are abutted against each other through screwing of the screw caps and the sleeve and the locked flanges are abutted against each other inside and outside; one end opening of the sleeve extends inwards to form a positioning step, the filtering part is arranged in the sleeve in a matching mode and is locked and connected with the arrangement of the filtering part along the sleeve direction through the positioning step and the matching of the pipe joint abutting against the other end of the sleeve.

2. A dual-routing filter according to claim 1, wherein: the filter part comprises a support and a filter screen fixedly arranged on the support, the support is arranged in the sleeve in an adaptive mode and is locked and connected with the support along the direction of the sleeve through a positioning step and a pipe joint abutting against the other end of the sleeve in a supporting mode, and the filter screen is arranged in an annular mode.

3. A dual-routing filter according to claim 2, wherein: the support comprises an annular frame, two tail ends of the annular frame outwards extend to form positioning convex rings, the two positioning convex rings are connected in the sleeve in an adaptive mode, and annular cavities are formed between the two positioning convex rings and between the sleeve and the annular frame; a partition plate is fixedly arranged in the annular frame in a sealing manner, the annular frame is divided into a first section and a second section which are arranged along the direction of the sleeve through the partition plate, and the first section and the second section of the annular frame are respectively provided with a first through hole and a second through hole which penetrate through the first section and the second section; the filter screen is connected with the annular frame and aligned with the second section; the first through hole is communicated with the first section of inner cavity and the annular cavity and forms a first part communicated with one port of the sleeve, the second section of inner cavity forms a second part communicated with the other port of the sleeve, and the first part and the second part are respectively positioned on two sides of the second through hole and the filter screen.

4. A dual-routing filter according to claim 3, wherein: the filter screen is connected with the inner wall of the annular frame.

5. A dual-routing filter according to claim 3, wherein: one end of the sleeve provided with the positioning step is a first end, and the other end of the sleeve is a second end; the annular frame is connected between the positioning step and the pipe joint at the second tail end of the connecting sleeve in an abutting mode.

6. A dual-routing filter according to claim 5, wherein: a first sealing ring is arranged between the end face of the positioning step and the end face of the pipe joint at the first end of the connecting sleeve; a second sealing ring is arranged between the outer peripheral wall of the positioning step of the annular frame corresponding to the second end of the sleeve and the inner wall of the second end of the sleeve; and a third sealing ring is arranged between the end surface of the positioning step of the annular frame corresponding to the second tail end of the sleeve and the end surface of the pipe joint connected with the second tail end of the sleeve.

7. A dual-routing filter according to claim 4, wherein: the filter screen is characterized by further comprising a supporting ring, wherein the inner periphery of the supporting ring axially extends to form a positioning ring, the supporting ring is clamped between the annular frame and the pipe joint corresponding to the second end of the sleeve, the positioning ring is located in the filter screen, and the filter screen is clamped in the annular frame and the inner side and the outer side of the annular frame through the positioning ring.

8. A dual-routing filter according to claim 7, wherein: the end face of the annular frame corresponding to the second end of the sleeve is provided with a notch in a concave mode, and the support ring is connected to the notch and the end face of the support ring is flush with the end face of the annular frame.

9. A dual-routing filter according to claim 7, wherein: the baffle is convexly provided with an annular part, a limit groove is formed between the inner wall of the annular frame and the annular part, one end of the filter screen is connected in the limit groove, and the other end of the filter screen is matched with the positioning ring.

10. A dual warewashing filter according to any one of claims 2 to 9, wherein: the filter screen adopts the PP filter screen, the PP filter screen overlaps and passes through ultrasonic bonding in order to constitute annular structure from beginning to end both sides.