CN220656653U - Filter cover convenient for discharging - Google Patents

Abstract

The application discloses filter cover convenient to blowing relates to the filter field, and it includes the apron, the feed port has been seted up on the apron, be provided with the feed cylinder that is used for pegging graft the material pipe on the apron, the feed cylinder with the feed port intercommunication sets up, be provided with in the feed cylinder and be used for right the feed port carries out the activity and shields the subassembly that shields. This application has the effect that obstructs external impurity and get into the filter at blowing in-process.

Description

Filter cover convenient for discharging

Technical Field

The application relates to the field of filters, in particular to a filter cover convenient for discharging.

Background

The filter is a device which is commonly used in production and manufacture and is matched with filter paper or filter cloth to carry out solid-liquid separation, and comprises a cylinder body and a filter plate embedded in the cylinder body, when in use, the filter paper or the filter cloth is placed on the filter plate, then the solid-liquid mixture is poured into the filter plate, and natural filtration or vacuum filtration is carried out, and in the process of medicine production, the filter is also commonly used to separate solid and liquid in the synthesis process.

At present, impurities are required to be prevented from being introduced into a sample as much as possible in the production process of medicines, especially unknown impurities, so that a cover plate is covered at the opening of the feeding end of the filter, and when the filter is required to be discharged and filtered or washed by adding water into the filter through a material pipe, the cover plate is taken down or pushed to the opening of the feeding end of the filter along the plane of the opening of the filter, so that the material pipe can be inserted.

However, the area of the material pipe in the discharging process is smaller than the area of the opening of the feeding end of the filter, which is not shielded by the cover plate, so that external impurities easily enter the filter in the continuous discharging process, and the sample is polluted.

Disclosure of Invention

In order to improve the problem that external impurities easily enter the filter from a filter feeding end opening which is shielded by the cover plate in the discharging process so that a sample is polluted, the application provides a filter cover convenient for discharging.

The application provides a filter lid convenient to blowing adopts following technical scheme:

the utility model provides a filter cover convenient to blowing, includes the apron, the feed port has been seted up on the apron, be provided with the feed cylinder that is used for grafting material pipe on the apron, the feed cylinder with the feed port intercommunication sets up, be provided with in the feed cylinder and be used for right the feed port carries out the activity and shields the subassembly.

Through adopting above-mentioned technical scheme, when not needing the blowing, the apron lid is established and is sheltered from the filter opening on the filter, shielding assembly and feed cylinder carry out the normality and shelter from the feed port, thereby avoid external impurity to get into in the filter as far as possible, when the blowing is needed, insert the feed cylinder with the material pipe, shielding assembly releases the shielding to the feed port this moment, insert the material pipe in the feed cylinder and shelter from the feed port, thereby improve the blowing in-process external impurity and get into the filter from the filter feed end opening that is sheltered from by the apron easily and make the sample receive contaminated problem.

Optionally, the shielding assembly includes at least three elastic baffle, elastic baffle one side with feed cylinder inner wall is fixed, just the unsteady side of elastic baffle rather than adjacent the unsteady side movable abutment of elastic baffle.

Through adopting above-mentioned technical scheme, when not needing the blowing, the unfixed side butt of a plurality of elastic separation blades and the unfixed side butt of its adjacent elastic separation blade, a plurality of elastic separation blade combinations form the cross-section form of feed cylinder this moment, thereby shelter from the feed inlet, when needs blowing, promote the unfixed side deformation of elastic separation blade in the feed cylinder is inserted to the material pipe, make elastic separation blade and material pipe outer wall butt, shelter from the clearance of material pipe outer wall and feed cylinder inner wall, thereby improve the blowing in-process external impurity and get into the filter from the filter feed end opening that is sheltered from by the apron easily and make the sample receive the problem of pollution.

Optionally, the feeding section of thick bamboo includes location section of thick bamboo portion and direction section of thick bamboo portion, location section of thick bamboo portion keep away from the one end of direction section of thick bamboo portion with the apron is fixed, direction section of thick bamboo portion keep away from the one end of location section of thick bamboo portion is the flaring form.

Through adopting above-mentioned technical scheme, the feed cylinder is fixed on the apron through its location section of thick bamboo portion, and the one end that the feed section of thick bamboo portion was kept away from to the direction section of thick bamboo portion is the flaring form and is convenient for lead the material pipe for the material pipe easily inserts in the feed cylinder.

Optionally, the elastic baffle is fixed on an inner wall of one end of the guide cylinder part far away from the positioning cylinder part.

Through adopting above-mentioned technical scheme, when the blowing is needed, because guide section of thick bamboo portion is fixed with elasticity separation blade department and is flaring form, the material pipe extrusion is located the elasticity separation blade on the guide section of thick bamboo portion inner wall, reduced the material pipe and got into the required extrusion elasticity separation blade deformation's of location section of thick bamboo portion proportion, in the one hand be convenient for insert the material pipe location section of thick bamboo portion, on the other hand reduced the clearance of material pipe outer wall and location section of thick bamboo inner wall, be unfavorable for external impurity entering to improve the blowing in-process external impurity and get into the filter from the filter feed end opening that is sheltered from by the apron easily and make the sample receive contaminated problem.

Optionally, a sealing ring for abutting against the outer wall of the material pipe is fixed on the inner wall of the positioning cylinder part.

Through adopting above-mentioned technical scheme, the sealing ring fills the clearance of location barrel portion inner wall and material pipe outer wall, has avoided getting into the feed inlet from the clearance at blowing in-process external impurity as far as possible to improve the blowing in-process external impurity and get into the filter from the filter feed end opening that is not sheltered from by the apron easily and make the sample receive contaminated problem.

Optionally, a visible part for observing the inside of the filter is arranged on the cover plate.

Through adopting above-mentioned technical scheme, accessible visual portion observes the interior opportunity of deciding to carry out the blowing of filter when not carrying out the blowing, and accessible visual portion observes the interior opportunity of deciding to stop the blowing of filter when carrying out the blowing, is convenient for towards the interior blowing of filter.

Optionally, the apron is kept away from the face of feed cylinder is fixed with and is used for the cover to establish the spacing section of thick bamboo on the filter, spacing is fixed with a plurality of tight pieces that support that are used for with the outer wall butt of filter on the spacing section of thick bamboo inner wall.

Through adopting above-mentioned technical scheme, the apron supports tightly each other through spacing section of thick bamboo and support tight piece and filter, has improved the stability of apron on the filter at the blowing in-process.

Optionally, the apron keep away from the interval is fixed with a plurality of backing plates that are used for with filter terminal surface butt on the face of feed cylinder.

Through adopting above-mentioned technical scheme, make the clearance appear between apron and the filter terminal surface through the backing sheet, avoid when carrying out vacuum suction filtration as far as possible, the inside atmospheric pressure of filter is too low to lead to the elasticity separation blade to take place deformation, has improved the elasticity separation blade and has sheltered from the stability degree of feed inlet, has improved external impurity and has been from the filter feed end opening entering filter that is sheltered from by the apron easily and make the sample receive contaminated problem.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the feeding is needed, the feeding pipe is inserted into the feeding cylinder, the shielding component removes shielding of the feeding port, and the feeding pipe inserted into the feeding cylinder shields the feeding port, so that the problem that the sample is polluted because the external impurities easily enter the filter from the opening of the feeding end of the filter which is not shielded by the cover plate in the feeding process is solved;

2. when the feeding is needed, the feeding pipe is inserted into the feeding cylinder to push the unfixed side of the elastic baffle to deform, so that the elastic baffle is abutted with the outer wall of the feeding pipe, and the gap between the outer wall of the feeding pipe and the inner wall of the feeding cylinder is shielded, thereby solving the problem that external impurities easily enter the filter from a filter feeding end opening shielded by the cover plate in the feeding process to pollute a sample;

3. when the material is required to be discharged, the elastic baffle plate is fixed at the guide cylinder part to form a flaring shape, the material pipe extrudes the elastic baffle plate positioned on the inner wall of the guide cylinder part, so that the deformation proportion of the elastic baffle plate required by the material pipe to enter the positioning cylinder part is reduced, the material pipe is convenient to insert into the positioning cylinder part on one hand, the gap between the outer wall of the material pipe and the inner wall of the positioning cylinder is reduced on the other hand, and external impurities are not easy to enter, thereby solving the problem that the sample is polluted because the external impurities enter the filter from the opening of the filter feeding end which is blocked by the cover plate easily in the discharging process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a structure for displaying a cover plate, a visible portion, a feed cylinder, a feed hole, a handle, a holding piece and a supporting piece in an embodiment of the present application;

FIG. 3 is a schematic view of a structure for showing a shielding assembly and a feed cartridge in an embodiment of the present application;

fig. 4 is a cross-sectional view for showing the internal structure of the positioning cylinder portion in the embodiment of the present application.

Reference numerals: 1. a material pipe; 2. a cover plate; 3. a limiting cylinder; 4. a feed cylinder; 41. positioning the barrel part; 42. a guide cylinder part; 5. a visual part; 6. a handle; 7. a tightening piece; 8. a support sheet; 9. a feed hole; 10. an elastic baffle; 11. a filter screen; 12. and (3) a sealing ring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a filter cover convenient to blowing. Referring to fig. 1, 2 and 3, a filter cover convenient to blowing includes apron 2, runs through on the apron 2 and has seted up feed port 9, and feed port 9 is circular, is fixed with the feed cylinder 4 that is used for grafting material pipe 1 on the apron 2, and feed cylinder 4 and feed port 9 coaxial intercommunication set up, and apron 2 is fixed with still be fixed with two handles 6 on the face of one side of feed cylinder 4. The feeding cylinder 4 comprises a positioning cylinder part 41 and a guiding cylinder part 42, wherein one end, far away from the guiding cylinder part 42, of the positioning cylinder part 41 is fixed with the cover plate 2, one end, far away from the positioning cylinder part 41, of the guiding cylinder part 42 is in a flaring shape, namely, the inner diameter size of the guiding cylinder part 42 is consistent with the inner diameter size, close to one end of the cover plate 2, of the positioning cylinder part 41, the inner diameter size, far away from one end of the positioning cylinder part 42, of the guiding cylinder part 42 is larger than the inner diameter size of the positioning cylinder part 41, and a shielding component used for movably shielding a feeding hole is arranged in the guiding cylinder part 42.

Referring to fig. 2, a plate surface of the cover plate 2 far away from the feeding barrel 4 is fixed with a limiting barrel 3 which is sleeved on the filter, and a plurality of abutting pieces 7 which are abutted with the outer wall of the filter are fixed on the inner wall of the limiting barrel 3 at intervals. In this application, support tight piece 7 and be provided with three, three support tight piece 7 along spacing section of thick bamboo 3 circumference evenly distributed, specifically, support tight piece 7 and keep away from one side slope setting of apron 2 for a plurality of support tight piece 7 are keeping away from one side of apron 2 and are the flaring, and then are convenient for establish spacing section of thick bamboo 3 cover on the filter, and support tight piece 7 and make by rubber material, when spacing section of thick bamboo 3 cover is established on the filter, extrude tight piece 7 to support, improved the fixed effect of apron 2 and filter.

When the filter is subjected to vacuum filtration, in order to avoid too low air pressure in the filter, referring to fig. 2, a plurality of support pieces 8 for abutting against the end face of the filter are fixed on the surface of the cover plate 2, which is far away from the feed cylinder 4, at intervals. The supporting pieces 8 are arranged in three, the supporting pieces 8 are in one-to-one correspondence with the abutting pieces 7, and the corresponding supporting pieces 8 are fixedly connected with the abutting pieces 7.

For shielding the feeding hole 9, referring to fig. 3, in the embodiment of the present application, the shielding component includes four elastic baffle plates 10, the four elastic baffle plates 10 are combined into a disc shape with the diameter size consistent with the inner diameter size at the fixing position of the guide cylinder, the cambered surface side of the elastic baffle plate 10 is fixed with the inner wall of the feeding cylinder 4, and the unfixed side of the elastic baffle plate 10 is movably abutted with the unfixed side of the adjacent elastic baffle plate 10. The elastic baffle 10 may be made of an elastic metal or a rubber material, and in the embodiment of the present application, the elastic baffle 10 is made of a rubber material.

In other embodiments, the shielding assembly may further include three elastic baffle plates 10 or five elastic baffle plates 10, where the number of the elastic baffle plates 10 may be selected according to the diameter of the actual guiding cylinder 42, and a plurality of elastic baffle plates 10 may be combined into a circular sheet.

Further, referring to fig. 4, a sealing ring 12 for abutting against the outer wall of the material tube 1 is fixed on the inner wall of the positioning tube portion 41, the sealing ring 12 is made of a rubber material, and the inner diameter of the sealing ring is slightly smaller than the outer diameter of the material tube 1, when the material tube 1 is inserted into the positioning tube portion 41, the end portion presses the sealing ring 12 until the sealing ring 12 deforms to be attached to the outer wall of the material tube 1, thereby shielding the gap between the outer wall of the material tube 1 and the inner wall of the positioning tube portion 41, and fixing the material tube 1 through friction force.

In order to prevent the sundries with large mass from falling into the filter through the blocking of the elastic baffle plate 10, referring to fig. 4, the filter screen 11 is fixed in the positioning cylinder part 41.

When using the filter to filter, in order to be convenient for observe the timing of blowing and stopping the blowing, refer to fig. 1 and 2, be provided with visual portion 5 on apron 2, visual portion 5 sets up to inlay the transparent piece of establishing in apron 2, and it can be made by transparent glass or plastics, and in this embodiment, visual portion 5 is made by transparent glass.

The implementation principle of the filter cover convenient for discharging is as follows: when the discharging is not needed, the cover plate 2 is covered on the filter to shield the opening of the filter, the unfixed sides of the elastic baffle plates 10 are abutted against the unfixed sides of the adjacent elastic baffle plates 10, the elastic baffle plates 10 are combined to form the section shape of the feeding cylinder 4 at the moment, so that the feeding port is normally shielded, external impurities are prevented from entering the filter as much as possible, when the discharging is needed, the feeding pipe 1 is inserted into the feeding cylinder 4 to push the unfixed sides of the elastic baffle plates 10 to deform, the elastic baffle plates 10 are abutted against the outer wall of the feeding pipe 1, the gap between the outer wall of the feeding pipe 1 and the inner wall of the feeding cylinder 4 is shielded, and the sealing ring 12 can shield the gap between the outer wall of the feeding pipe 1 and the inner wall of the feeding cylinder 4.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The foregoing are all optional embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a filter lid convenient to blowing, includes apron (2), its characterized in that: the feeding device is characterized in that a feeding hole (9) is formed in the cover plate (2), a feeding barrel (4) for inserting the feeding pipe (1) is arranged on the cover plate (2), the feeding barrel (4) is communicated with the feeding hole (9), and a shielding component for movably shielding the feeding hole is arranged in the feeding barrel (4).

2. A filter cover for facilitating emptying according to claim 1, wherein: the shielding assembly comprises at least three elastic baffle plates (10), one side of each elastic baffle plate (10) is fixed with the inner wall of the feeding cylinder (4), and the non-fixed side of each elastic baffle plate (10) is movably abutted to the non-fixed side of the adjacent elastic baffle plate (10).

3. A filter cover for facilitating emptying according to claim 2, wherein: the feeding cylinder (4) comprises a positioning cylinder part (41) and a guiding cylinder part (42), wherein one end, far away from the guiding cylinder part (42), of the positioning cylinder part (41) is fixed with the cover plate (2), and one end, far away from the positioning cylinder part (41), of the guiding cylinder part (42) is in a flaring shape.

4. A filter cover for facilitating emptying according to claim 3, wherein: the elastic baffle (10) is fixed on the inner wall of one end of the guide cylinder part (42) far away from the positioning cylinder part (41).

5. A filter cover for facilitating emptying according to claim 3, wherein: and a sealing ring (12) used for being abutted with the outer wall of the material pipe (1) is fixed on the inner wall of the positioning cylinder part (41).

6. A filter cover for facilitating emptying according to claim 1, wherein: the cover plate (2) is provided with a visual part (5) for observing the inside of the filter.

7. A filter cover for facilitating emptying according to claim 1, wherein: the cover plate (2) is far away from the plate surface of the feeding barrel (4) and is fixedly provided with a limiting barrel (3) which is sleeved on the filter, and a plurality of abutting pieces (7) which are used for abutting with the outer wall of the filter are fixed on the inner wall of the limiting barrel (3) at intervals.

8. A filter cover for facilitating emptying according to claim 1, wherein: a plurality of supporting sheets (8) used for being abutted with the end face of the filter are fixed on the surface, far away from the feeding cylinder (4), of the cover plate (2) at intervals.