CN216653692U

CN216653692U - Filter

Info

Publication number: CN216653692U
Application number: CN202123427858.0U
Authority: CN
Inventors: 赵彤
Original assignee: Hoffman Beijing Engineering Technology Co ltd
Current assignee: Hoffman Beijing Engineering Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-03
Anticipated expiration: 2031-12-31

Abstract

A filter, the periphery of the top opening is provided with at least one group of swing bolt assemblies, and the periphery of a cover plate and the corresponding positions of the swing bolt assemblies are provided with clamping parts; each movable joint bolt assembly comprises a rotating base and a fixing ring, the rotating base is fixedly arranged on the periphery of the top opening, and the fixing ring comprises a ring main body and a threaded rod connected with the ring main body; the threaded rod is kept away from the one end of ring main part and is articulated on rotating the base, and the ring main part is suitable for through the rotation adjustment around the threaded rod axis and the distance between the rotating the base. The filter of the utility model can pull the fixed ring to the highest position during sealing, shorten the distance between the rotary ring main body and the rotary base, and realize the sealing between the main body and the top cover through the continuous pressure of the ring main body on the clamping part.

Description

Filter

Technical Field

The utility model relates to the technical field of fluid conveying, in particular to a filter.

Background

The filter is an indispensable device on a medium conveying pipeline and is usually arranged inside a pressure reducing valve, a pressure relief valve and a constant water level valve. At present, filters used in industry generally need to bear high hydraulic pressure or air pressure, and in order to ensure the safety and reliability of the filters, high requirements on the sealing performance of the filters are required.

However, the filter screen can be full along with long time of filtering gradually, need open the filter and change the filter screen this moment, and the leakproofness of filter can be reduced gradually to this kind of operation of opening repeatedly, closing repeatedly, consequently, after a period of use, the sealed effect and the filter effect of filter all can be influenced, life is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the filter in the prior art has poor sealing effect after being used for a long time, and provides a filter with longer service life.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

a filter comprises a main body and a top cover, wherein the main body comprises a shell, and an inlet, an outlet and a top opening are formed in the shell; the top cover comprises a cover plate, and the cover plate is matched with the top opening;

at least one group of swing bolt assemblies are arranged on the periphery of the top opening, and clamping parts are arranged on the periphery of the cover plate and at positions corresponding to the swing bolt assemblies;

each movable joint bolt assembly comprises a rotating base and a fixing ring, the rotating base is fixedly arranged on the periphery of the top opening, and the fixing ring comprises a ring main body and a threaded rod connected with the ring main body; one end, far away from the ring main body, of the threaded rod is hinged to the rotating base, and the ring main body is suitable for adjusting the distance between the threaded rod and the rotating base through rotation around the axis of the threaded rod.

In the filter, the clamping part is formed with a U-shaped groove, and the size and the position of the U-shaped groove are suitable for accommodating the threaded rod when the fixing ring rotates to the upper part.

In the filter, each of the swing bolt assemblies further includes a bolt, and a bolt hole is formed in the rotating base and adapted to pass through the bolt hole to lock the threaded rod.

In the above filter, the number of the swing bolt assemblies is three or four.

In the filter, a convex part is formed on one side of the cover plate close to the main body.

In the filter, a gasket is arranged between the top opening and the cover plate.

In the filter, the inlet is arranged on the side wall of the shell, the outlet is arranged at the bottom of the shell, and the top opening is arranged at the top of the shell.

In the filter, at least three support legs are formed at the lower part of the shell.

In the filter, one end of the supporting leg, which is far away from the shell, is fixedly provided with a fixing sheet, and a fixing hole is formed in the fixing sheet.

In the filter, a pressure plate, a filter bag and a net basket are sequentially arranged in the shell; the pressure plate is located on one side, close to the inlet, of the filter bag, and the basket is located on one side, close to the outlet, of the filter bag.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

the filter of the utility model is characterized in that at least one group of swing bolt assemblies are arranged on the periphery of a top opening, and clamping parts are arranged at the corresponding positions of the periphery of a cover plate and the swing bolt assemblies; each movable joint bolt component comprises a rotating base and a fixing ring, the rotating base is fixedly arranged on the periphery of the top opening, and the fixing ring comprises a ring main body and a threaded rod connected with the ring main body; the threaded rod is kept away from the one end of ring main part and is articulated on rotating the base, and the ring main part is suitable for through the rotation adjustment around the threaded rod axis and the distance between the rotating the base. When sealing, can draw the solid ring to the highest position to rotatory ring main part shortens its and rotates the distance between the base, and through the continuous pressure of ring main part to block portion, realizes the sealed between main part and the top cap.

In addition, through setting up the bolt, can further lock the position of solid fixed ring, make the sealed effect between main part and the top cap more stable.

In addition, through setting up the gasket, realize the soft contact between main part and the top cap, further promoted the leakproofness between them, along with time's lapse, sealed effect descends, only needs to change the gasket this moment and can realize the resealing between main part and the top cap.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic view of the filter structure in the preferred embodiment of the present invention;

FIG. 2 is a schematic structural view of a main body in a preferred embodiment of the present invention;

fig. 3 is a schematic structural view of a top cover in a preferred embodiment of the present invention.

The reference numbers in the figures denote: 1-main body, 11-shell, 111-inlet, 112-outlet, 113-top opening, 114-rotating base, 115-bolt, 12-supporting leg, 13-fixing ring, 14-pressing disc, 15-basket, 16-filter bag, 17-gasket, 2-top cover, 21-cover sheet, 211-bulge, 22-clamping part and 221-U-shaped groove.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, which are preferred embodiments of the present invention, the present embodiment discloses a filter including a main body 1 and a top cover 2. In this embodiment, the body 1 and the cap 2 are both integrally cast.

The main body 1 comprises a shell 11 and supporting legs 12 formed at the lower part of the shell 11, and the number of the supporting legs 12 is at least three. In the present embodiment, the number of the support legs 12 is three. Furthermore, a fixing sheet is fixedly arranged at one end of the supporting leg 12, which is far away from the shell 11, and a fixing hole is formed in the fixing sheet. Further, the length of the support leg 12 can be adjusted as desired.

The housing 11 is a cylinder, and an inlet 111, an outlet 112 and a top opening 113 are formed on the housing 11. In this embodiment, the inlet 111 is disposed on a side wall of the housing 11, the outlet 112 is disposed on a bottom of the housing 11, and the top opening 113 is disposed on a top of the housing 11.

The top cover 2 comprises a cover sheet 21, and the cover sheet 21 is matched with the top opening 113. In this embodiment, a protrusion 211 is formed on a side of the cover plate 21 adjacent to the main body 1.

At least one group of swing bolt assemblies are arranged on the periphery of the top opening 113, clamping parts 22 are arranged on the periphery of the cover plate 21 and at positions corresponding to the swing bolt assemblies, and the number of the swing bolt assemblies is three or four. In this embodiment, the number of swing bolt assemblies is four. Further, four of the swing bolt assemblies are evenly distributed around the outer circumference of the top opening 113.

Each group of the swing bolt assemblies comprises a rotating base 114, a fixing ring 13 and a bolt 115, the rotating base 114 is fixedly arranged on the periphery of the top opening 113, and the fixing ring 13 comprises a ring main body and a threaded rod connected with the ring main body; one end of the threaded rod, which is far from the ring body, is hinged to the rotating base 114, and the ring body is adapted to adjust the distance from the rotating base 114 by rotating around the axis of the threaded rod. The rotating base 114 is formed with a bolt hole, and the bolt 115 is adapted to pass through the bolt hole to lock the threaded rod. With this design, the seal of the filter can be maintained even under high pressure.

In this embodiment, a U-shaped groove 221 is formed on the engaging portion 22, and the U-shaped groove 221 has a size and a position suitable for receiving the threaded rod when the fixing ring 13 rotates upward.

In this embodiment, a gasket 17 is provided between the main body 1 and the top cover 2. Further, the gasket 17 is disposed between the top opening 113 and the cover sheet 21.

In the embodiment, a pressure plate 14, a filter bag 16 and a net basket 15 are sequentially arranged inside the shell 11; the platen 14 is located on the side of the filter bag 16 near the inlet 111, and the basket 15 is located on the side of the filter bag 16 near the outlet 112. Further, the basket 15 is provided for high-quality electrolytic polishing.

In other embodiments, the top cover 2 may be hinged to the top opening 113 of the main body 1, and the top cover 2 may be integrated with one of the swing bolt assemblies.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims

1. A filter comprises a main body (1) and a top cover (2), wherein the main body (1) comprises a shell (11), and an inlet (111), an outlet (112) and a top opening (113) are formed in the shell (11); the top cover (2) comprises a cover sheet (21), and the cover sheet (21) is matched with the top opening (113);

the movable joint bolt assembly is characterized in that at least one group of movable joint bolt assemblies are arranged on the periphery of the top opening (113), and clamping parts (22) are arranged on the periphery of the cover plate (21) and at positions corresponding to the movable joint bolt assemblies;

each group of swing bolt assemblies comprises a rotating base (114) and a fixing ring (13), the rotating base (114) is fixedly arranged on the periphery of the top opening (113), and the fixing ring (13) comprises a ring main body and a threaded rod connected with the ring main body; one end of the threaded rod, which is far away from the ring body, is hinged on the rotating base (114), and the ring body is suitable for adjusting the distance between the threaded rod and the rotating base (114) through rotation around the axis of the threaded rod.

2. A filter according to claim 1, characterised in that the engaging portion (22) is formed with a U-shaped groove (221), the U-shaped groove (221) being sized and positioned to receive the threaded rod when the ring (13) is rotated upwards.

3. A filter according to claim 1, wherein each set of the swing bolt assemblies further comprises a bolt (115), the rotating base (114) having a bolt hole formed therein, the bolt (115) being adapted to pass through the bolt hole to effect locking of the threaded rod.

4. The filter of claim 1 wherein the number of swing bolt assemblies is three or four.

5. A filter according to claim 1, characterised in that the side of the cover sheet (21) adjacent the main body (1) is formed with a boss (211).

6. A filter according to claim 1, characterised in that a gasket (17) is provided between the top opening (113) and the lid sheet (21).

7. A filter according to claim 1, wherein the inlet (111) is provided in a side wall of the housing (11), the outlet (112) is provided in a bottom of the housing (11), and the top opening (113) is provided in a top of the housing (11).

8. A filter according to claim 1, characterised in that the housing (11) is formed with at least three support legs (12) at its lower part.

9. A filter according to claim 8, characterised in that a fixing plate is fixedly arranged at the end of the support leg (12) remote from the housing (11), and a fixing hole is formed on the fixing plate.

10. A filter according to any one of claims 1 to 9, wherein a pressure plate (14), a filter bag (16) and a basket (15) are arranged in the housing (11) in sequence; the pressure plate (14) is positioned on one side of the filter bag (16) close to the inlet (111), and the basket (15) is positioned on one side of the filter bag (16) close to the outlet (112).