CN218740846U

CN218740846U - Filter screen structure and filter unit

Info

Publication number: CN218740846U
Application number: CN202222747423.2U
Authority: CN
Inventors: 段传伟; 王亚杰; 赵金刚
Original assignee: Shandong Longertek Technology Co Ltd
Current assignee: Shandong Longertek Technology Co Ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-03-28
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a filter screen structure, including filter screen piece, first frame and connecting piece, filter screen piece sets up in first frame inboard, and at least one side of the relative both sides of first frame is provided with the connecting piece, and the connecting piece forms first spacing groove with the first frame outside, and adjacent filter screen structure passes through the connecting piece is connected. The utility model discloses a set up the connecting piece, can form the linkage, convenient to detach with adjacent side filter screen when the filter screen is dismantled. The utility model also provides an adopt above-mentioned filter screen structure's filter unit, through adopting the filter screen structure who sets up the connecting piece, can improve and dismantle efficiency.

Description

Filter screen structure and filter unit

Technical Field

The utility model belongs to the filter screen field, specifically speaking relates to a filter screen structure and filter unit.

Background

The motor train unit is a quick link for connecting cities, and is high in running speed. The air conditioning unit of EMUs installs in the roof, and the unit bottom plate generally can set up the mixed wind filter screen access hole, and the mixed wind filter screen of easy access and dismouting. Due to the size limitation of the access hole, the filter screen is designed in a multi-section split mode in order to facilitate the disassembly and assembly of the filter screen. At present, the carriage of the motor train unit is limited by space, the filter screen access hole is laterally arranged, only the detachable filter screen of the access hole on one side is arranged, and the access hole on the other side plays an auxiliary role, so that when the filter screen is maintained, the filter screen far away from the access hole is difficult to take out.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a filter screen structure, can form the linkage, convenient to detach with adjacent side filter screen when the filter screen overhauls.

Another object of the present invention is to provide a filter unit using the above filter screen structure.

In order to realize the first purpose, the utility model adopts the following technical scheme:

the utility model provides a filter screen structure, includes filter screen piece, first frame and connecting piece, filter screen piece sets up in first frame inboard, and at least one side of the relative both sides of first frame is provided with the connecting piece, and the connecting piece forms first spacing groove with the first frame outside, and adjacent filter screen structure passes through the connecting piece is connected.

Furthermore, the first limiting groove extends along the side edge of the first frame.

Furthermore, when the connecting pieces are arranged on the two opposite sides of the first frame, the opening directions of the first limiting grooves on the two sides are opposite.

Furthermore, the connecting piece includes installation department, connecting portion and spacing portion, connecting portion connect installation department and spacing portion, the installation department is installed in the first frame outside, connecting portion, spacing portion and first frame constitute first spacing groove.

Furthermore, the connection part and the installation part and the connection part and the limiting part can be vertically connected or non-vertically connected.

Furthermore, a spring leaf is arranged on the upper portion of the first frame, one end of the spring leaf is installed on the outer side of the first frame, the other end of the spring leaf is a free end, and the middle portion of the spring leaf is arranged in a suspended mode.

In order to realize the second purpose, the utility model adopts the following technical scheme:

the filtering unit adopting the filter screen structure comprises a second frame, wherein at least one edge of the upper side and the lower side of the second frame is provided with a second limiting groove, and at least one filter screen structure is arranged on the inner side of the second frame through the second limiting groove.

Furthermore, the second frame is provided with at least one supporting strip for limiting the filter screen structure at the inner side of the second frame, and the supporting strip is parallel to the side edge of the second frame.

Furthermore, the support bar structure further comprises a first blocking piece and a second blocking piece, the first blocking piece is arranged at the bottom of the side edge of the second frame close to one side of the access hole, and the second blocking piece structure is arranged at the bottom of the support bar close to the access hole.

Furthermore, the number of the filter screen structures on the inner side of the second frame is one more than or equal to that of the support bars on the single side.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:

1. the utility model discloses a set up the connecting piece, can form the linkage, convenient to detach with adjacent side filter screen when the filter screen is dismantled.

2. The utility model discloses a spring leaf can avoid the filter screen structure to rock from top to bottom when the train moves, avoids the filter screen structure to drop from the second frame when the train moves through first fender piece and second fender piece.

3. The utility model discloses a support bar on the one hand can carry on spacingly to the inside filter screen structure of second frame, and on the other hand can improve the ability that the second frame resisted the deformation.

4. The utility model discloses a filter unit can improve through the filter screen structure that adopts the setting connecting piece and dismantle efficiency.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic structural diagram of the filter screen structure of the present invention;

fig. 2 is a top view of the screen structure of the present invention;

FIG. 3 is a top view of the screen structure of the present invention in linkage;

fig. 4 is a schematic structural diagram of the filtering unit of the present invention.

In the figure: 1. a filter mesh sheet; 2. a first frame; 3. a connecting member; 301. an installation part; 302. a connecting portion; 303. a limiting part; 4. a first limit groove; 5. a spring plate; 6. a screen structure; 7. a second frame; 8. a second limit groove; 9. a first stopper; 10. a second stopper; 11. a supporting strip; 12. and (6) an access hole.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the utility model provides a filter screen structure, including filter screen 1, first frame 2 and connecting piece 3, filter screen 1 sets up in 2 inboards of first frame, and at least one side of the 2 relative both sides of first frame is provided with connecting piece 3, and connecting piece 3 forms first spacing groove 4 with the 2 outsides of first frame, and adjacent filter screen structure passes through connecting piece 3 and connects.

The connecting member 3 includes a mounting portion 301, a connecting portion 302 and a limiting portion 303, the connecting portion 302 is used for connecting the mounting portion 301 and the limiting portion 303, and the connecting portions between the connecting portion 302 and the mounting portion 301 and between the connecting portion 302 and the limiting portion 303 may be connected vertically or non-vertically, for example, connected at an acute angle or an obtuse angle. Preferably, the connection portions between the connection portion 302 and the mounting portion 301 and the connection portions between the connection portion 302 and the stopper portion 303 are vertically connected and are rounded.

The mounting portion 301 is detachably mounted on the outer side of the first frame 2, and the connecting portion 302, the limiting portion 303 and the first frame 2 form a first limiting groove 4. The first limiting groove 4 extends along the side edge of the first frame 2, and when the filter screen structure 6 is linked with the adjacent filter screen structure 6 through the connecting piece 3, the linkage is only formed in the horizontal direction, so that the installation and the disassembly of the filter screen structure 6 through the access hole 12 cannot be influenced.

Preferably, as shown in fig. 2-3, the utility model discloses a filter screen structure 6 all sets up connecting piece 3 in the both sides of first frame 2 perpendicular to access hole 12, and the opening opposite direction of the first spacing groove 4 of both sides, specifically, filter screen structure 6 is close to first spacing groove 4 opening of access hole 12 one side when installing in the filter unit and is towards access hole 12, keeps away from access hole 12 one side first spacing groove 4 opening and deviates from access hole 12, connecting piece 3 causes the hindrance when filter screen structure 6 can be avoided dismantling from the filter unit through this design.

The filter screen structure 6 further comprises a spring piece 5, the spring piece 5 is arranged at the top of the first frame 2, one end of the spring piece is detachably mounted on the first frame 2, the other end of the spring piece is a free end, and the middle of the spring piece is arranged in a suspended mode. When the filter screen structure 6 is installed in the filtering unit, the upper part and the lower part of the filter screen structure 6 are tightly attached to the second frame 7 due to the elasticity of the spring piece 5, so that the filter screen structure 6 can be prevented from shaking up and down to generate abnormal sound when a train runs.

The utility model also provides an adopt above-mentioned filter screen structure's filter unit, including second frame 7, all the other structures are fixed in stiff end and the system of second frame 7 through both sides, and at least one side inboard on both sides is provided with second spacing groove 8 about it, and at least one filter screen structure 6 is installed in second frame 7 inboardly through second spacing groove 8.

The second frame 7 is provided with at least one supporting strip 11 for limiting the filter screen structure 6 at the inner side of the second frame 7, and the supporting strip 11 is parallel to the side edge of the second frame 7. For the guarantee filtration efficiency, support bar 11 sets up in adjacent filter screen structure 6's juncture, both can carry on spacingly to one or two in adjacent filter screen structure 6, also do not occupy filter screen 1 region, and simultaneously, support bar 11 also can improve the ability that second frame 7 resisted the deformation.

Preferably, the support bars 11 of the present invention are disposed on the front and rear sides of the second frame 7.

As shown in fig. 4, in order to facilitate the installation and removal of the screen structure 6 and ensure the attachment of the screen structure 6 to the second frame 7, the second limiting groove 8 of the second frame 7 on the side close to the access opening 12 is not provided with a side edge.

Further, in order to prevent the filter screen structure 6 close to one side of the access opening 12 from being separated from the second frame 7 due to vibration and other reasons, the filter unit further comprises a first blocking piece 9 and a second blocking piece 10, the first blocking piece 9 is arranged at the bottom of the side edge of the second frame 7 close to one side of the access opening 12, and the second blocking piece 10 is arranged at the bottom of the supporting strip 11 close to one side of the access opening 12. When the filter screen structure 6 is installed in the second frame 7, although the portion of the second limiting groove 8 close to the side of the access opening 12 lacks a side edge, the first blocking member 9 and the second blocking member 10 can still limit the filter screen structure 6, and prevent the filter screen structure 6 from being separated from the second frame 7.

The number of screen structures 6 in the second frame 7 is one more than or in accordance with the number of single-sided support strips 11.

When the number of the filter screen structures 6 is more than that of the support bars 11 on the single side, the filter screen structures 6 provided with the connecting pieces 3 are arranged inside the second frame 7. When the filter screen structure 6 is installed, the filter screen structure 6 is tightly attached to the upper part and the lower part of the second frame 7 through the spring piece 5, at the moment, the opening of the first limiting groove 4 on one side, close to the access opening 12, of the filter screen structure 6 faces the access opening 12, and the opening of the first limiting groove 4 on one side, far away from the access opening 12, of the filter screen structure 6 deviates from the access opening 12; then, the filter screen structure 6 is pushed along the direction of the inner side of the upper and lower edges of the second limiting groove 8 or the second frame 7 away from the access hole 12, a new filter screen structure 6 is installed again, the connecting piece 3 of the new filter screen structure 6 is embedded into the first limiting groove 4 of the previous filter screen structure 6, and when the last filter screen structure 6 is installed, the filter screen structure is limited by the first blocking piece 9 and the second blocking piece 10, so that the filter screen structure is prevented from falling off from the second frame 7.

When dismantling filter screen structure 6, at first dismantle or dial first fender 9 and second fender 10, take out the filter screen structure 6 that is close to access hole 12 one side, then with adjacent filter screen structure 6 pulling to being close to access hole 12 region, because adjacent filter screen structure 6 links each other through connecting piece 3 this moment, remaining filter screen structure 6 all can be along the direction displacement that is close to access hole 12 to improve dismantlement efficiency.

Further, consider that connecting piece 3 near the regional filter screen structure 6 of access hole 12 does not participate in work, the utility model discloses a regional installation near access hole 12 department does not set up the filtration of connecting piece 3 in another embodiment, and the support bar 11 numbers of 6 numbers of filter screen structure and unilateral of this moment equals, and remaining region all sets up filter screen structure 6 promptly. When the filter screen structure 6 is installed, the filter structure without the connecting piece 3 is installed at last, and the first blocking piece 9 and the second blocking piece 10 limit the filter structure.

When the filter structure is disassembled, the filter structure which is not provided with the connecting piece 3 is firstly disassembled, then the adjacent filter screen structures 6 are pulled to the area close to the access hole 12, the connecting piece 3 is not needed to pass through in the process, and therefore the filter structure which is not provided with the connecting piece 3 can be installed on one side close to the access hole 12. At this moment, the surplus is the filter screen structure 6, the connecting pieces 3 are mutually embedded and linked, and the surplus filter screen structures 6 are caused to move along the direction close to the access hole 12, so that the disassembly efficiency is improved.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above embodiments, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the technical scope of the present invention, and the embodiments in the above embodiments can be further combined or replaced, but any simple modification, equivalent change and modification made to the above embodiments by the technical essence of the present invention still fall within the scope of the present invention.

Claims

1. The utility model provides a filter screen structure, its characterized in that includes filter screen piece (1), first frame (2) and connecting piece (3), filter screen piece (1) sets up in first frame (2) inboard, and at least one side of the relative both sides of first frame (2) is provided with connecting piece (3), and connecting piece (3) and first frame (2) outside form first spacing groove (4), and adjacent filter screen structure passes through connecting piece (3) are connected.

2. A sieve structure according to claim 1, wherein the first retaining groove (4) extends along a side edge of the first frame (2).

3. A sieve structure according to claim 2, wherein the openings of the first retaining grooves (4) on opposite sides are in opposite directions when the connecting members (3) are provided on opposite sides of the first frame (2).

4. The filter screen structure according to claim 1, wherein the connecting member (3) comprises a mounting portion (301), a connecting portion (302) and a limiting portion (303), the connecting portion (302) connects the mounting portion (301) and the limiting portion (303), the mounting portion (301) is mounted outside the first frame (2), and the connecting portion (302), the limiting portion (303) and the first frame (2) form a first limiting groove (4).

5. The filter screen structure according to claim 4, wherein the connection points between the connection portion (302) and the mounting portion (301) and between the connection portion (302) and the limiting portion (303) may be vertical connection or non-vertical connection.

6. The filter screen structure according to claim 1, wherein a spring leaf (5) is arranged at the upper part of the first frame (2), one end of the spring leaf (5) is arranged at the outer side of the first frame (2), and the other end is a free end, and the middle part of the spring leaf is suspended.

7. A filter unit using a screen structure according to any one of claims 1 to 6, comprising a second frame (7), wherein at least one of the upper and lower sides of the second frame (7) is provided with a second retaining groove (8), and at least one screen structure (6) is mounted inside the second frame (7) via the second retaining groove (8).

8. A filter unit as claimed in claim 7, characterised in that the second frame (7) is provided with at least one support strip (11) for limiting the screen structure (6) inside the second frame (7), the support strip (11) being parallel to the side edges of the second frame (7).

9. A filter unit according to claim 8, further comprising a first stopper (9) and a second stopper (10), the first stopper (9) being arranged at the bottom of the side of the second frame (7) near the access opening (12), the second stopper (10) being structured at the bottom of the support strip (11) near the access opening (12).

10. A filter unit according to claim 7, characterised in that the number of screen structures (6) inside the second frame (7) is one more than or equal to the number of support strips (11) on one side.