CN220558726U

CN220558726U - Filter connecting device and filter assembly

Info

Publication number: CN220558726U
Application number: CN202321459589.2U
Authority: CN
Inventors: 马团锋; 幸云强
Original assignee: Sepp Hangzhou Filtration Technology Co ltd
Current assignee: Sepp Hangzhou Filtration Technology Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2024-03-08
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a filter connecting device and a filter assembly, wherein the filter connecting device comprises a body, the body is provided with at least two connecting ends, the connecting ends are provided with connecting ports, channels communicated with the connecting ports are arranged in the body, the outside of at least one connecting end is provided with a corresponding adapter, and the adapter is in sealing fit with the connecting ends. The present utility model aims to provide effective sealing when connecting filters and to facilitate installation and removal.

Description

Filter connecting device and filter assembly

Technical Field

The utility model belongs to the technical field of filtration, and particularly relates to a filter connecting device and a filter assembly.

Background

Filters are widely used as carriers for filtration processes in biopharmaceutical, life sciences engineering and industrial markets. Such as a capsule filter as disclosed in chinese patent publication No. CN 211411177U. A liquid inlet, a liquid outlet and an exhaust port are arranged on a shell of the filter, and are connected with upstream equipment through the liquid inlet and downstream equipment through the liquid outlet. When the filtration starts, the feed liquor material enters the filter through the feed liquor port, and the air in the filter is discharged through the backflow port, so that the filter is ensured to be full of liquid, and under the filtration effect of the filtration membrane, the feed liquor material is filtered into penetrating fluid and is discharged out of the filter along the liquid outlet.

The requirements of the existing filtering process are continuously improved, and the filtering process is continuously complicated, so that in the whole filtering process, the single filter cannot meet the requirements of the filtering process, a plurality of filters are required to be connected for use, or the single filter is required to be communicated with other external equipment for connecting and testing the filter or the filtering process. For example, chinese patent publication No. CN209714496U discloses a filter with multiple filter core structures inside, and pagoda-shaped clamping grooves are provided at both ends of the filter for connection with external equipment to realize multiple applications of the filter. The existing filters, in particular filters using green joints, are usually connected by hoses, are laborious to install, and the connection mode cannot effectively ensure the tightness of the filter connection in the filtering environment which is continuously degraded and complicated. The interface arrangement of the filter and the upstream and downstream components is diversified, and the main interface types at present comprise a chuck interface and a green interface, so that the connection between the chuck-green interface, the chuck-chuck interface and the green-green interface can be involved in the actual use process, no filter connection device capable of simultaneously adapting to different interfaces exists in the prior art, and therefore a plurality of different connectors are needed for connection between different interfaces.

Disclosure of Invention

The utility model provides a filter connecting device and a filter assembly, which can provide effective sealing performance when connecting a filter and is convenient to install and detach.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a filter connecting device, includes the body, the body is equipped with two at least link, the link is equipped with the connection port, this internal passageway that is equipped with and each connection port intercommunication, at least one the outside of link is equipped with the adapter that corresponds, adapter and link sealing fit. The filter connecting device is connected through each connecting end of the body, the channels inside the body are communicated with the filters, the bodies can be conveniently assembled and disassembled through the fasteners, and the tightness of connection is ensured through clamping and fixing.

Preferably, a buffer ring is arranged between the connecting end and the adapter. The buffer ring can effectively reduce the abrasion of the end face and improve the connection reliability of the connecting end and the adapter.

Preferably, the connecting end is provided with a connecting end face at the outer edge of the connecting port, one side of the adapter, which is close to the connecting end, is provided with a matching end face, and at least one of the connecting end face and the matching end face is provided with a buffer groove for positioning a buffer ring. The buffer groove positions the buffer ring, so that the buffer ring and the connecting end form stable fit.

Preferably, a sealing ring is arranged in the connecting port. When the filter adopts the green joint, the sealing ring seals the green joint, so that the tightness of the joint is ensured.

Preferably, the connecting end is internally provided with a stepped hole coaxial with the connecting port, the sealing ring is arranged in the stepped hole, and the connecting port is internally provided with a cover plate propped against the sealing ring. Preliminary extrusion fixing is carried out on the sealing ring through the cover plate, so that the sealing effect of the sealing ring is improved

Preferably, the adapter comprises at least two adapter components, wherein the adapter components are provided with bolts and/or jacks, and the adapter components are positioned through the corresponding bolts and jacks. The adapter formed by the split combination of a plurality of connectors can improve the disassembly and assembly speed of the adapter, thereby improving the disassembly and assembly convenience.

Preferably, the connection ends are symmetrically arranged on the body.

The filter assembly comprises the filter connecting device, at least one connecting end of the filter connecting device is provided with a corresponding filter, a connector of the filter is connected with the connecting end of the filter connecting device through a fastener, and the filter is communicated with a connecting port of the filter connecting device. Each filter is correspondingly connected with the connecting end of the filter connecting device, filtrate flows from the primary filter to the secondary filter through the filter connecting device, the connecting end is fastened with the connector of the filter, and the filter connecting device and the filter are in sealing fit.

Preferably, the connector of the filter comprises a green joint, an adapter is arranged on the outer side of the green joint, a joint surface is arranged on the inner side wall of the adapter, the circumferential side of the green joint is tightly jointed with the joint surface, and the end part of the green joint penetrates through the adapter and is in sealing fit with the sealing ring. When the filter adopts the green joint, the connecting end of the filter connecting device is tightly attached to the green joint through the attaching surface of the inner side wall of the adapter, and forms external seal with the outer wall of the green joint, so that the connection stability with the connecting end is improved.

Preferably, the connector of the filter comprises a chuck connector, and the fastener clamps and fixes the chuck connector and the connecting end. When the filter adopts the chuck joint, the chuck joint and the connecting end can be directly fixed through the clamp, and the installation is more convenient.

Preferably, a sealing ring is arranged between the chuck joint and the connecting end, and a sealing groove for positioning the sealing ring is arranged on at least one end face of the chuck joint and the connecting end.

Preferably, the fastener comprises at least one of a clamp, a bolt and nut, a G-type clip and an F-type clip.

The beneficial effects of the utility model are as follows: (1) The filter can be conveniently connected through the filter connecting device, so that the installation difficulty is effectively reduced, and the convenience of connecting and using a plurality of filters is improved; (2) For the filter adopting the green joint or the chuck joint, the adapter can be additionally arranged or removed to meet the installation requirement, so that the filter has higher installation adaptability; (3) The tightness of the connection between the filter connecting device and the filter is ensured, and the tightness problem of the green joint under high pressure and severe conditions is avoided.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;

FIG. 2 is a schematic view of the structure of the filter connecting device of the present utility model;

FIG. 3 is a schematic view of the body of the present utility model separated from the adapter;

FIG. 4 is a schematic view of one of the joint components of the present utility model;

FIG. 5 is a schematic view of another joint body of the present utility model;

FIG. 6 is a cross-sectional view of the present utility model;

FIG. 7 is a schematic view of the structure of embodiment 2 of the present utility model;

fig. 8 is a cross-sectional view of embodiment 2 of the present utility model.

In the figure: the body 1, the connection end 11, the first connection end 11a, the second connection end 11b, the connection end face 12, the connection port 13, the stepped hole 14, the channel 15, the buffer groove 101, the seal groove 102, the adapter 2, the mating end face 21, the jack 22, the bonding face 23, the plug pin 24, the first connector assembly 2a, the second connector assembly 2b, the filter 3, the first filter 3a, the second filter 3b, the green connector 31, the chuck connector 32, the buffer ring 4, the cover plate 5, the seal ring 6, the clamp 7 and the seal ring 8.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

Example 1

In the embodiment shown in fig. 1, a filter connecting device is used for connecting at least two filters 3, and comprises a body 1, wherein the body 1 is provided with at least two connecting ends 11, in this embodiment, as shown in connection with fig. 2, the body 1 is provided with two connecting ends 11, and the two connecting ends 11 are symmetrically arranged on the body 1. The connection end 11 is provided with connection ports 13, and a channel 15 communicating with each connection port 13 is provided in the body 1, so that filtrate can flow from one end of the filter connection device to the other end.

At least one adapter 2 corresponding to the connection end 11 is provided on the outside of the body 1, and in this embodiment, as shown in fig. 1 and 3, two connection ends 11 are respectively provided with corresponding adapters 2. The adapter connector 2 comprises at least two connector segments, on which the plug 24 and/or the socket 22 are arranged. In this embodiment, the adapter connector 2 includes two connector components, namely a first connector component 2a and a second connector component 2b, where the first connector component 2a is shown in fig. 4, and a jack 22 is provided on a connection surface of the first connector component 2 a. As shown in fig. 5, the second connector sub-body 2b is provided with a plug 24 on the connection surface thereof. The two connector components correspond to 180 degrees of central angle and are positioned by corresponding bolts 24 and jacks 22. In addition, each connector split can be provided with a bolt 24 and a jack at the same time, and the number of the connector split can be flexibly designed according to the actual use environment.

As shown in fig. 2 and 6, the seal ring 6 is provided in the connection port 13, the stepped hole 14 coaxial with the connection port 13 is provided in the connection end 11, the seal ring 6 is provided in the stepped hole 14, and the cover plate 5 abutting against the seal ring 6 is provided on the outer side of the seal ring 6 in the stepped hole 14. The external diameter of apron 5 is greater than or equal to the external diameter of sealing washer 6, and apron 5 is annular, and the center of apron 5 is equipped with the through-hole, and it is inside the connection port through the fix with screw, is equipped with the cell body on the apron 5 and supplies the top embedding of sealing washer, and apron 5 has preliminary extrusion effect to sealing washer 6, can further improve sealing washer 6's sealing capability.

As shown in fig. 1 and 6, the buffer ring 4 is disposed between the connection end 11 and the adapter 2, and the buffer ring 4 can prevent the connection end 11 from directly contacting the adapter 2, so as to reduce the abrasion between the connection end 11 and the adapter 2, and improve the sealing effect between the connection end 11 and the adapter 2. The connecting end 11 is provided with a connecting end face 12 at the outer edge of the connecting port 13, and a buffer groove 101 for positioning the buffer ring 4 is arranged on the connecting end face 12. The adapter 2 is provided with a mating end face 21 on the side close to the connection end 11, and the mating end face 21 is provided with a buffer groove 101 for positioning the buffer ring 4. The two side surfaces of the buffer ring 4 are respectively provided with a bulge, and the buffer grooves 101 of the connecting end surface 12 and the matching end surface 21 respectively position the bulges on the two sides of the buffer ring 4, so that the buffer ring 4 is prevented from moving in the radial direction, and the connection reliability of the connecting end 11 and the adapter 2 is also ensured.

A filter assembly, as shown in figure 6, comprises a filter connecting device, wherein the connecting ends 11 of the filter connecting device are respectively provided with a filter 3, and in the embodiment, two filters 3 are arranged corresponding to the connecting ends 11. The filter 3 is provided with a connector, in this embodiment the connector of the filter 3 comprises a green's joint 31, the grid Lin Jietou 31 being arranged at the inlet or outlet of the filter 3. The adapter 2 is disposed outside the green joint 31, and as shown in fig. 4 and 5, the inner wall of the adapter 2 is provided with a bonding surface 23, and the green joint 31 is tightly bonded to the bonding surface 23. A sealing ring 6 is arranged in the connecting port 13 of the filter connecting device, and a green joint 31 passes through the adapter 2 and is in sealing fit with the sealing ring 6.

The connector of the filter 3 is connected with the connecting end 11 of the filter connecting device through a fastener, and the filter 3 is communicated with the connecting port 13 of the filter connecting device. In this embodiment, the fastener includes a clip 7, and the clip 7 clamps the connection end 11 to the adapter 2. After the fastener is installed, the connecting end 11 and the adapter connector 2 are kept clamped, external sealing is achieved through the buffer ring 4, meanwhile, the end part of the green joint 31 acts on the sealing ring 6 to achieve internal sealing, the cover plate 5 is pressed, so that the sealing ring 6 is further pressed inwards, a more remarkable sealing effect is achieved when the green joint 31 acts on the sealing ring 8, and the overall sealing performance of the filter assembly is guaranteed. In addition, the fastener can also adopt one or more of a clamp, a bolt and a nut, a G-shaped clamp and an F-shaped clamp to be combined, and can be selected according to the actual installation requirement.

Example 2

The present embodiment is different from embodiment 1 in that, as shown in fig. 7, two connection ends of the body 1, namely, a first connection end 11a for communicating with the first filter 3a and a second connection end 11b for communicating with the second filter 3b are provided. The first filter 3a employs the case Lin Jietou 31 and the second filter 3b employs the chuck joint 32, so that the adapter 2 is provided outside the first connection terminal 11a and the adapter 2 is not provided outside the second connection terminal 11 b.

As shown in fig. 8, a buffer ring 4 is disposed between the first connection end 11a and the adapter 2, and the first connection end 11a and the adapter 2 are respectively provided with a buffer groove 101, so that the buffer ring 4 can be stably and reliably positioned. The sealing ring 6 is arranged in the first connecting end 11a, the cover plate 5 is further arranged on the outer side of the sealing ring 6, and the cover plate 5 abuts against the sealing ring 6, so that the sealing ring 6 has a preliminary extrusion effect. A sealing ring 8 is arranged between the chuck joint 32 and the second connecting end 11b, and sealing grooves 102 for positioning the sealing ring 8 are respectively arranged on the chuck joint 32 and the second connecting end 11 b.

In this embodiment, the fastener may be a clip 7 as in embodiment 1, or may be another fastening means, such as a bolt, for fastening the adapter 2 to the first connection end 11a and the chuck connector 32 to the second connection end 11b via the clip 7. After the fastener is installed, the first connecting end 11a is clamped with the adapter connector 2, external sealing is realized through the buffer ring 4, meanwhile, the end part of the green joint 31 acts on the sealing ring 6 to realize internal sealing, the cover plate 5 is pressed, so that the sealing ring 6 is further pressed inwards, and a more remarkable sealing effect is obtained when the green joint 31 acts on the sealing ring 8; the second connecting end 11b and the chuck joint 32 are in sealing connection through the extrusion sealing ring 8, meanwhile, direct contact between the second connecting end 11b and the chuck joint 32 is avoided, and the generation of clastic pollution materials caused by friction collision between the second connecting end 11b and the chuck joint 32 in the use process is prevented, so that the integral sealing performance of the filter assembly is ensured.

The foregoing list is only illustrative of specific embodiments of the utility model. The utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derivable or conceivable by a person skilled in the art from the disclosure of the present utility model should be considered as the scope of the present utility model.

Claims

1. The utility model provides a filter connecting device, characterized by, includes body (1), body (1) are equipped with two at least link (11), link (11) are equipped with connecting port (13), be equipped with in body (1) with passageway (15) of each connecting port (13) intercommunication, at least one the outside of link (11) is equipped with corresponding crossover sub (2), crossover sub (2) and link (11) sealing fit.

2. A filter connection according to claim 1, characterized in that a buffer ring (4) is arranged between the connection end (11) and the adapter (2).

3. A filter connection device according to claim 2, characterized in that the connection end (11) is provided with a connection end face (12) at the outer edge of the connection port (13), the adapter (2) is provided with a mating end face (21) on the side close to the connection end (11), and at least one of the connection end face (12) and the mating end face (21) is provided with a buffer groove (101) for positioning the buffer ring (4).

4. A filter connection according to claim 1, characterized in that a sealing ring (6) is provided in the connection port (13).

5. A filter connection device according to claim 4, characterized in that a stepped hole (14) coaxial with the connection port (13) is provided in the connection end (11), the sealing ring (6) is provided in the stepped hole (14), and a cover plate (5) abutting against the sealing ring (6) is provided in the connection port (13).

6. A filter connection according to claim 1, characterized in that the adapter connector (2) comprises at least two connector parts, on which the pins (24) and/or the receptacles (22) are provided, the connector parts being positioned by means of corresponding pins (24) and receptacles (22).

7. A filter connection according to claim 1, characterized in that the connection ends (11) are symmetrically arranged on the body (1).

8. A filter assembly comprising a filter connection device according to any one of claims 1 to 7, at least one connection end (11) of the filter connection device being provided with a corresponding filter (3), the connection head of the filter (3) being connected to the connection end (11) of the filter connection device by means of a fastener, the filter (3) being in communication with a connection port (13) of the filter connection device.

9. The filter assembly according to claim 8, wherein the connector of the filter (3) comprises a green joint (31), the outer side of the green joint (31) is provided with an adapter (2), the inner side wall of the adapter (2) is provided with a bonding surface (23), the circumferential side of the green joint (31) is tightly bonded with the bonding surface (23), and the end part of the green joint (31) passes through the adapter (2) and is in sealing fit with the sealing ring (6).

10. A filter assembly according to claim 8, wherein the connector of the filter (3) comprises a chuck joint (32), the fastener clamping the chuck joint (32) with the connecting end (11).

11. A filter assembly according to claim 10, characterized in that a sealing ring (8) is arranged between the chuck adapter (32) and the connecting end (11), and that a sealing groove (102) for positioning the sealing ring (8) is arranged on at least one end face of the chuck adapter (32) and the connecting end (11).

12. The filter assembly of any one of claims 9-11, wherein the fastener comprises at least one of a clamp, a bolt and nut, a G-clip, an F-clip.