CN213347984U - Basket type filter - Google Patents

Abstract

The utility model discloses a basket filter, include: the filter comprises a filter body, wherein a filter screen cylinder is placed in the filter body, an opening is formed in the upper part of the filter body, a plurality of threaded rods are hinged around the opening of the filter body, and locking nuts are connected to the threaded rods in a threaded manner; the edge of the upper cover is provided with a bayonet with an opened side, and the threaded rod can be rotatably placed into the bayonet for installation; and the elastic pre-tightening mechanism is sleeved on the threaded rod, and when the upper cover and the filter body are in a locking state, the elastic pre-tightening mechanism applies elastic pre-tightening force to the locking nut. The utility model discloses a can prevent effectively that filter lock nut from taking place not hard up in the use to prevent that filtering liquid from leaking.

Description

Basket type filter

Technical Field

The utility model relates to a chemical industry coating production facility technical field, in particular to basket filter.

Background

The basket filter is a filter commonly used in a chemical workshop, is particularly common in production factories of coatings, emulsion paints and the like, can effectively filter impurities in raw materials in the production process of the coatings and the emulsion paints, and simultaneously plays a certain role in homogenization to ensure the quality of finished products of the coatings and the emulsion paints. However, when the existing basket filter is used, the pump can vibrate due to the fact that the existing basket filter is connected with the pump through a pipeline, when the basket filter is used for a long time, the vibration can enable the locking nut which locks the upper cover of the basket filter to loosen, a large gap is generated between the upper cover and the filter, liquid leaks from the gap, and the filtering effect is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a basket filter can prevent effectively that the filter from taking place not hard up at lock nut in the use to prevent to filter the liquid leakage.

According to the utility model discloses a basket filter of first aspect embodiment includes: the filter comprises a filter body, wherein a filter screen cylinder is placed in the filter body, an opening is formed in the upper part of the filter body, a plurality of threaded rods are hinged around the opening of the filter body, and locking nuts are connected to the threaded rods in a threaded manner; the edge of the upper cover is provided with a bayonet with an opened side, and the threaded rod can be rotatably placed into the bayonet for installation; and the elastic pre-tightening mechanism is sleeved on the threaded rod, and when the upper cover and the filter body are in a locking state, the elastic pre-tightening mechanism applies elastic pre-tightening force to the locking nut.

According to the utility model discloses a basket filter has following technological effect at least: when the operator locks the filter, the operator only needs to cover the upper cover on the opening of the filter body, then sequentially rotates a plurality of threaded rods at the opening of the filter body to enable the threaded rods to be in bayonets at the edge of the upper cover, and screws up the locking nut, so that the elastic pre-tightening mechanism applies elastic pre-tightening force to the locking nut, thereby effectively preventing the filter from loosening due to vibration of the locking nut in the use process, preventing a large gap from being generated between the upper cover and the opening of the filter body, and ensuring that the liquid in the filter cannot leak when in use.

According to some embodiments of the present invention, the elastic pre-tightening mechanism includes a spring, the spring is in the lock nut and between the upper cover, when the upper cover and the filter body are in the locked state, the spring is in the compressed state. After an operator locks the upper cover on the filter body through the locking nut, the spring is in a compressed state and is positioned between the lower surface of the locking nut and the upper surface of the upper cover, and the spring can generate a lasting pre-tightening force to act on the locking nut, so that the locking nut is prevented from loosening.

According to some embodiments of the present invention, the spring is connected to the first end of the spring. After the spring is compressed, a lasting pretightening force is generated and acts on the locking nut through the gasket, so that the pretightening force applied to the locking nut by the spring in a compressed state can be more uniform.

According to some embodiments of the invention, the locking nut is an eye nut or a wing nut. The operator can conveniently and manually tighten the locking nut without other tools.

According to some embodiments of the present invention, the upper cover and the filter body are provided with a sealing ring therebetween. The setting of sealing washer can guarantee that upper cover and filter body have better leakproofness when being in locking state to further guarantee when filtering, this internal liquid of filter can not leak from the lid of upper cover and filter body closes.

According to some embodiments of the utility model, filter body one side is provided with the inlet pipe, the filter body opposite side is provided with the discharging pipe. The feed liquid that needs the filteration flows in the back from the inlet pipe of filter body one side, and the refluence flows through the filter screen section of thick bamboo after, and the discharging pipe through filter body opposite side flows out, and impurity in the feed liquid is held back by the filter screen section of thick bamboo to the realization is filtered the feed liquid.

According to some embodiments of the utility model, the filter body bottom is provided with the blow off pipe. The impurities and the dirty liquid accumulated at the lower part of the filter body can be discharged in time through the drain pipe.

According to some embodiments of the utility model, the filter body bottom is the back taper setting, the blow off pipe sets up filter body bottom center. This internal impurity of filter can cooperate the filter body bottom that the back taper set up to collect to filter body bottom center automatically under the action of gravity, and the blowdown effect can further be guaranteed to rethread blow off pipe exclusion.

According to some embodiments of the invention, the discharge pipe is provided with a check valve. The setting of check valve can prevent that the feed liquid after the filtration from flowing back to in the filter body.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

Reference numerals:

100. a filter body; 101. a filter screen cylinder; 102. a threaded rod; 103. locking the nut; 104. a feed pipe; 105. a discharge pipe; 106. a blow-off pipe; 107. a check valve; 108. a feed pipe valve; 109. a drain pipe valve; 110. a support;

200. an upper cover; 201. a seal ring;

301. a spring; 302. and (7) a gasket.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A basket filter according to an embodiment of the present invention will be described with reference to fig. 1 to 2.

As shown in fig. 1 and 2, a basket filter according to an embodiment of the present invention includes: the filter comprises a filter body 100, an upper cover 200 and an elastic pre-tightening mechanism, wherein a filter screen cylinder 101 is placed in the filter body 100, an opening is formed in the upper portion of the filter body 100, a plurality of threaded rods 102 are hinged around the opening of the filter body 100, locking nuts 103 are connected to the threaded rods 102 in a threaded mode, side-opened bayonets are formed in the edge of the upper cover 200, the threaded rods 102 can be rotatably placed into the bayonets for installation, the elastic pre-tightening mechanism is sleeved on the threaded rods 102, and when the upper cover 200 and the filter body 100 are in a locking state, the elastic pre-tightening mechanism applies elastic pre-tightening force to.

For example, in some embodiments of the present invention, the filter body 100 is fixedly provided with the bracket 110, the bracket 110 can be fixedly disposed on the ground, the plurality of threaded rods 102 are uniformly disposed at the opening of the filter body 100, the elastic pre-tightening mechanism includes a spring 301, the spring 301 is located between the lock nut 103 and the upper cover 200, and when the upper cover 200 and the filter body 100 are in the locked state, the spring 301 is in the compressed state.

Specifically, when an operator locks the filter, the operator only needs to cover the upper cover 200 on the opening of the filter body 100, sequentially rotate the plurality of threaded rods 102 at the opening of the filter body 100 to enable the threaded rods 102 to be positioned in the bayonets at the edge of the upper cover 200, then tighten the lock nut 103 to enable the spring 301 to be compressed, and since the spring 301 is positioned between the lower surface of the lock nut 103 and the upper surface of the upper cover 200 in a compressed state, the spring can generate a lasting pre-tightening force to act on the lock nut 103 to prevent the lock nut 103 from loosening, so that the lock nut 103 has a strong anti-vibration effect, and when the filter slightly vibrates in the using process, the lock nut 103 cannot easily loosen, so that the lock nut can be effectively prevented from loosening due to vibration in the using process of the filter, and a large gap is prevented from being generated between the upper cover 200 and the filter body 100, ensuring that the liquid in the filter does not leak out during use.

In some embodiments of the present invention, a gasket 302 is connected to each end of the spring 301.

Specifically, after the spring 301 is compressed, a permanent pretightening force is generated and acts on the lock nut 103 through the gasket 302, so that the pretightening force applied to the lock nut 103 by the spring 301 in a compressed state can be ensured to be more uniform.

In some embodiments of the present invention, the elastic pre-tightening mechanism is a spring washer.

In some embodiments of the present invention, the lock nut 103 is an eye nut or a wing nut.

In particular, it is convenient for the operator to manually tighten the lock nut 103 without the aid of other tools.

In some embodiments of the present invention, a sealing ring 201 is disposed between the upper cover 200 and the filter body 100.

Specifically, the sealing ring 201 is provided to ensure that the upper cover 200 and the filter body 100 are in a locked state, so as to ensure that the liquid in the filter body 100 does not leak during filtering.

In some embodiments of the present invention, the inlet pipe 104 is disposed on one side of the filter body 100, and the outlet pipe 105 is disposed on the other side of the filter body 100.

Specifically, after the feed liquid to be filtered flows in from the feed pipe 104 on one side of the filter body 100, the feed liquid flows out through the discharge pipe 104 on the other side of the filter body 100 after passing through the filter screen cylinder 101, and impurities in the feed liquid are intercepted by the filter screen cylinder 104, so that the feed liquid is filtered.

In some embodiments of the present invention, a drain pipe 106 is disposed at the bottom of the filter body 100.

Specifically, a drain pipe valve 109 is disposed on the drain pipe 106, so that impurities and dirty liquid accumulated at the lower portion of the filter body 100 can be discharged in time through the drain pipe 106.

In some embodiments of the present invention, the bottom of the filter body 100 is an inverted cone, and the drainage pipe 106 is disposed at the center of the bottom of the filter body 100.

Specifically, the impurities in the filter body 100 can be automatically collected to the center of the bottom of the filter body 100 by matching the bottom of the inverted cone-shaped filter body 100 under the action of gravity, and then discharged through the blow-off pipe 106, so that the blow-off effect can be further ensured.

In some embodiments of the present invention, a check valve 107 is disposed on the tapping pipe 105.

Specifically, the provision of the check valve 107 prevents the filtered feed liquid from flowing back into the filter body 100.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (9)

1. A basket filter, comprising:

the filter comprises a filter body (100), wherein a filter screen cylinder (101) is placed in the filter body (100), an opening is formed in the upper part of the filter body (100), a plurality of threaded rods (102) are hinged around the opening of the filter body (100), and locking nuts (103) are connected to the threaded rods (102) in a threaded manner;

the edge of the upper cover (200) is provided with a bayonet with an opened side, and the threaded rod (102) can be rotatably placed into the bayonet for installation;

the elastic pre-tightening mechanism is sleeved on the threaded rod (102), and when the upper cover (200) and the filter body (100) are in a locking state, the elastic pre-tightening mechanism applies elastic pre-tightening force to the locking nut (103).

2. The basket filter of claim 1, wherein: the elastic pre-tightening mechanism comprises a spring (301), the spring (301) is located between the locking nut (103) and the upper cover (200), and when the upper cover (200) and the filter body (100) are in a locking state, the spring (301) is in a compression state.

3. A basket filter according to claim 2, wherein: two ends of the spring (301) are respectively connected with a gasket (302).

4. The basket filter of claim 1, wherein: the locking nut (103) is a lifting ring nut or a butterfly nut.

5. The basket filter of claim 1, wherein: a sealing ring (201) is arranged between the upper cover (200) and the filter body (100).

6. The basket filter of claim 1, wherein: one side of the filter body (100) is provided with a feeding pipe (104), and the other side of the filter body (100) is provided with a discharging pipe (105).

7. The basket filter of claim 6, wherein: a sewage draining pipe (106) is arranged at the bottom of the filter body (100).

8. The basket filter of claim 7, wherein: the bottom of the filter body (100) is arranged in an inverted cone shape, and the sewage discharge pipe (106) is arranged in the center of the bottom of the filter body (100).

9. The basket filter of claim 6, wherein: a check valve (107) is arranged on the discharge pipe (105).

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