CN216125340U - Filter screen mounting structure convenient to maintain - Google Patents
Filter screen mounting structure convenient to maintain Download PDFInfo
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- CN216125340U CN216125340U CN202120458195.XU CN202120458195U CN216125340U CN 216125340 U CN216125340 U CN 216125340U CN 202120458195 U CN202120458195 U CN 202120458195U CN 216125340 U CN216125340 U CN 216125340U
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- filter screen
- quick
- fixing frame
- locking screw
- screen body
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Abstract
The utility model provides a filter screen installation structure convenient to maintain, which comprises: a filter screen body; the upper part of the filter screen fixing frame is fixed with the filter screen body through a quick locking screw, and the lower part of the filter screen fixing frame is provided with an anti-falling blocking sheet for blocking the filter screen body. The upper part of the filter screen fixing frame is provided with a plurality of quick-locking screw fixing flower holders which are used for being connected and fixed with quick screws. The upper portion of filter screen body is provided with the perforation, when the filter screen body was dismantled from filter screen fixed frame, the screw was fixed in the perforation on the filter screen body through the anticreep packing ring to the fast lock screw. The utility model does not need a special torque wrench and a fastening torque, can realize the quick disassembly and maintenance of the filter screen, improves the maintenance efficiency by more than one time, can completely disassemble and assemble the converter for 5 minutes, and greatly saves the maintenance time of a user. The quick-locking screw is provided with an anti-disengaging structure, and the detached bolt does not need to be placed in addition in the maintenance process, so that the quick-locking screw is effectively prevented from being lost.
Description
Technical Field
The utility model relates to the field of converter devices of high-speed motor trains, in particular to a filter screen installation structure convenient to maintain.
Background
With the development of the technology and the improvement of the energy-saving and consumption-reducing indexes, the converter device serving as a core component of a high-speed motor train unit vehicle is developing towards the directions of high rate, high power, light weight, easy maintenance and the like, so that the current high-power converter adopts water-cooling heat dissipation, a heat exchanger is usually arranged in the system, a filter screen provides protection for the heat exchanger, large impurities are prevented from blocking the heat exchanger, the heat dissipation capacity of a cooling system is reduced, and the arrangement position of the filter screen is shown in fig. 1 under the common condition. Wherein, one side of the converter box 10 is provided with a heat exchanger 20, and the filter screen 30 is installed at the outer side of the heat exchanger 20 through a filter screen fixing frame 40.
The filter screen is the part with the largest disassembly frequency in the normal operation and maintenance process of the motor train unit, the motor train unit section is required to be maintained once every 2 kilometres (or 20 days) under normal conditions, and the filter screen is required to be maintained once every 2 days in special climates such as flocculation raising seasons.
The existing converter filter screen is usually installed by adopting common bolts or drawer type, a torque wrench is needed in the maintenance process, a professional tool is needed in the dismounting process, the converter filter screen needs to be fastened by the torque wrench again according to the torque requirement after being installed, a quality inspector draws anti-loosening marks, and the detached bolts need to be stored separately and are easy to lose. Therefore, it takes at least 20 minutes to maintain the filter screen of one converter, except for the time to clean the filter screen.
In view of the above, in order to overcome the technical defects, the present invention provides a filter screen installation structure which is convenient to maintain.
Disclosure of Invention
The utility model aims to provide a filter screen mounting structure convenient to maintain, a special torque wrench and fastening torque operation are not needed, the filter screen can be quickly disassembled and maintained, a quick-locking screw is provided with an anti-disengaging structure, a disassembled bolt does not need to be additionally placed in the maintenance process, and the quick-locking screw is effectively prevented from being lost.
To achieve the above object, the present invention provides a filter screen mounting structure convenient for maintenance, comprising:
a filter screen body;
the upper part of the filter screen fixing frame is fixed with the filter screen body through a quick locking screw, and the lower part of the filter screen fixing frame is provided with at least one anti-falling blocking piece for blocking the filter screen body.
The convenient filter screen mounting structure of maintaining, wherein, filter screen fixed frame's upper portion is provided with a plurality of quick-lock screw fixed flower holds in the palm, be used for with quick screw connection is fixed.
Convenient maintenance filter screen mounting structure, wherein, the upper portion of filter screen body corresponds the position of the fixed flower stand of quick-lock screw is provided with the perforation, works as the filter screen body is followed when dismantling on the filter screen fixed frame, the quick-lock screw passes through the anticreep packing ring and fixes in the perforation on the filter screen body.
The convenient filter screen mounting structure of maintaining, wherein, the quick-lock screw with the anticreep separation blade corresponds the setting.
The convenient filter screen mounting structure of maintaining, wherein, the quick-lock screw with the anticreep separation blade does not correspond the setting.
The convenient filter screen mounting structure of maintaining, wherein, the anticreep separation blade sets up for a plurality of and interval filter screen fixed frame lower part.
The convenient filter screen mounting structure of maintaining, wherein, the anticreep separation blade sets up both ends and middle part of filter screen fixed frame lower part.
The convenient filter screen mounting structure of maintaining, wherein, the anticreep separation blade is rectangular shape and extends along filter screen fixed frame's lower part frame.
The convenient filter screen mounting structure of maintaining, wherein, the anticreep separation blade with filter screen fixed frame integrated into one piece.
The convenient filter screen mounting structure of maintaining, wherein, the anticreep separation blade with filter screen fixed frame aggregate erection.
The utility model has the beneficial effects that: the filter screen mounting structure provided by the utility model is fixed on the filter screen frame by using the quick locking screw, has a simple structure, is easy to operate, does not need a special torque wrench or a fastening torque during recovery, can realize quick disassembly and maintenance of the filter screen, improves the maintenance efficiency by more than one time, can completely disassemble and assemble a converter within 5 minutes, and greatly saves the maintenance time of a user. The quick-locking screw is provided with an anti-disengaging structure, and the detached bolt does not need to be placed in addition in the maintenance process, so that the quick-locking screw is effectively prevented from being lost.
Drawings
Fig. 1 is a schematic view of a conventional filter screen mounting structure;
fig. 2 is a front view of a filter net mounting structure according to the present invention;
FIG. 3 is a side view of FIG. 2;
fig. 4 is an exploded view of a filter screen mounting structure according to the present invention;
Detailed Description
In order to clearly illustrate the inventive content of the present invention, the present invention will be described below with reference to examples.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "vertical", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 2 to 4, the present invention provides a filter screen mounting structure convenient for maintenance, which mainly includes: the filter screen comprises a filter screen body 1, a filter screen fixing frame 2, an anti-falling separation blade 3, a quick-locking screw 4, a quick-locking screw fixing flower holder 5 and an anti-falling gasket 6.
The filter screen fixing frame 2 is of a rectangular frame structure, the two ends and the middle part of the lower part of the filter screen fixing frame are respectively provided with an anti-falling blocking piece 3, and the anti-falling blocking pieces 3 are used for blocking the lower end of the filter screen body 1.
Preferably, the anti-separation baffle 3 and the filter screen fixing frame 2 are integrally formed, so that the anti-separation baffle 3 is more firmly installed on the filter screen fixing frame 2.
In another embodiment, the anti-separation baffle 3 may also be assembled with the filter screen fixing frame 2, for example, by welding, inserting, or the like.
In the embodiment shown in fig. 2, the shape of the separation preventing baffle 3 is square, however, the shape of the separation preventing baffle 3 is not limited thereto. The anti-falling blocking piece 3 can also be in a strip shape, extends along the bottom side frame of the filter screen fixing frame 2 and is used for blocking the tilting of the lower end of the filter screen body 1. In addition, the number of the separation preventing baffle plates 3 is not limited to three, and may be less than three or more than three.
As shown in fig. 2, three quick-locking screw fixing flower holders 5 are respectively arranged at positions on the upper portion of the filter screen fixing frame 2 corresponding to the anti-falling blocking pieces 3. However, the number of the quick-lock screw fixing flower-holders 5 is not limited to this, and may be less than three, or more than three, depending on the actual requirement. And the arrangement form of the quick-locking screw fixing flower holder 5 does not need to form a corresponding relation with the lower anti-falling baffle 3.
The upper portion of filter screen body 1 corresponds the position of the fixed receptacle for flowers 5 of quick-lock screw is provided with the perforation, quick-lock screw 4 passes through anticreep packing ring 6 to be fixed in the perforation on filter screen body 1. The quick-locking screws 4 are respectively connected with the quick-locking screw fixing flower holders 5, so that the filter screen body 1 is quickly fixed on the filter screen fixing frame, and the anti-falling blocking piece 3 is used for blocking the bottom of the filter screen body.
The working principle of the utility model is as follows:
when the installation of needs, filter screen body 1 fixes on filter screen fixed frame 2 through many (for example 3) quick lock screws 4, and the bottom blocks through anticreep washer 3 on filter screen fixed frame 2, prevents that the bottom of filter screen body 1 from upwarping.
The opening position of the quick locking screw 4 is horizontal when the filter screen body 1 is in a mounted state. When the filter screen body 1 needs to be disassembled, only a common sleeve or a straight sleeve needs to be rotated by 90 degrees, and the filter screen body 1 can be disassembled by slightly lifting the filter screen body 1 after all the screws are loosened.
After filter screen body 1 pulls down, fast lock screw 4 is fixed on filter screen body 1 through anticreep packing ring 6 (as shown in fig. 3), can not cause fast lock screw 4 to lose, should lock screw 4 soon simultaneously and need not use moment, the phenomenon of smooth silk can not appear yet, and fast lock screw is fixed receptacle 5 and is used for the fixed of fast lock screw 4, confirms whether fast lock screw locks through rotation angle to it is spacing from the area.
In conclusion, the beneficial effects of the utility model are as follows:
the filter screen mounting structure provided by the utility model is fixed on the filter screen frame by using the quick locking screw, has a simple structure, is easy to operate, does not need a special torque wrench or a fastening torque during recovery, can realize quick disassembly and maintenance of the filter screen, improves the maintenance efficiency by more than one time, can completely disassemble and assemble a converter within 5 minutes, and greatly saves the maintenance time of a user. The quick-locking screw is provided with an anti-disengaging structure, and the detached bolt does not need to be placed in addition in the maintenance process, so that the quick-locking screw is effectively prevented from being lost.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a convenient filter screen mounting structure of maintaining which characterized in that includes:
a filter screen body;
the upper part of the filter screen fixing frame is fixed with the filter screen body through a quick locking screw, and the lower part of the filter screen fixing frame is provided with at least one anti-falling blocking piece for blocking the filter screen body.
2. The structure for mounting the filter screen for convenient maintenance according to claim 1, wherein the upper part of the filter screen fixing frame is provided with a plurality of quick-locking screw fixing flower holders for connecting and fixing with the quick screws.
3. The structure for installing the filter screen in convenient maintenance according to claim 2, wherein the upper portion of the filter screen body is provided with a through hole corresponding to the position of the quick-locking screw fixing flower holder, and when the filter screen body is detached from the filter screen fixing frame, the quick-locking screw is fixed in the through hole on the filter screen body through an anti-dropping washer.
4. The structure for mounting the filter screen for convenient maintenance according to any one of claims 1 to 3, wherein the quick locking screw is provided corresponding to the anti-drop baffle.
5. The structure for mounting the filter screen for convenient maintenance according to any one of claims 1 to 3, wherein the quick locking screw is not provided corresponding to the anti-drop baffle.
6. The easy-maintenance filter screen mounting structure according to any one of claims 1 to 3, wherein the anti-separation baffle is provided in plurality and at intervals at a lower portion of the filter screen fixing frame.
7. The easy-to-maintain filter screen mounting structure according to any one of claims 1 to 3, wherein the anti-drop blocking pieces are provided at both ends and in the middle of the lower portion of the filter screen fixing frame.
8. The easy-maintenance filter screen mounting structure according to any one of claims 1 to 3, wherein the anti-drop baffle is elongated and extends along the lower frame of the filter screen fixing frame.
9. The easy-to-maintain filter screen mounting structure according to any one of claims 1 to 3, wherein the anti-drop baffle is integrally formed with the filter screen fixing frame.
10. The easy-to-maintain filter screen mounting structure according to any one of claims 1 to 3, wherein the anti-drop baffle is mounted in combination with the filter screen fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120458195.XU CN216125340U (en) | 2021-03-03 | 2021-03-03 | Filter screen mounting structure convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120458195.XU CN216125340U (en) | 2021-03-03 | 2021-03-03 | Filter screen mounting structure convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216125340U true CN216125340U (en) | 2022-03-25 |
Family
ID=80764864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120458195.XU Active CN216125340U (en) | 2021-03-03 | 2021-03-03 | Filter screen mounting structure convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216125340U (en) |
-
2021
- 2021-03-03 CN CN202120458195.XU patent/CN216125340U/en active Active
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