CN109922621B - Case and dust screen for case - Google Patents
Case and dust screen for case Download PDFInfo
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- CN109922621B CN109922621B CN201910216643.2A CN201910216643A CN109922621B CN 109922621 B CN109922621 B CN 109922621B CN 201910216643 A CN201910216643 A CN 201910216643A CN 109922621 B CN109922621 B CN 109922621B
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- net
- net body
- dust screen
- positioning
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- 239000000428 dust Substances 0.000 title claims abstract description 42
- 241000446313 Lamella Species 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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Abstract
The invention discloses a dust screen for a chassis, which comprises: the first net body is connected with the second net body in a sliding mode so as to adjust the overlapping area between the first net body and the second net body, and a positioning piece used for positioning the first net body and the second net body is arranged between the first net body and the second net body. Through the sliding fit of the first net body and the second net body and the positioning of the positioning piece, the size of the dustproof net can be flexibly adjusted through simple operation, the dustproof net can be applied to the cases of different models after the size is adjusted, the dustproof effect can be achieved after the dustproof net is installed inside a case panel, and the adaptability is improved. In addition, the invention also discloses a case comprising the dustproof net, and the dustproof net has better adaptability.
Description
Technical Field
The invention relates to the technical field of communication equipment, in particular to a case and a dust screen for the case.
Background
For the chassis of a communication device, there may be a significant amount of dust in the surrounding environment during use. In order to reduce or prevent dust from entering the inside of the chassis, a dust screen is usually installed on the panel of the chassis to block dust, so as to ensure the normal operation of the equipment or prolong the service life of the equipment.
However, because the height of the chassis is different in size, and the size of the existing dust screen is fixed, one dust screen can only correspond to one chassis, the adaptability of the dust screen is poor, and communication equipment manufacturers need to develop dust screens of different models to adapt to the chassis of different models.
Therefore, how to provide a dust screen with better adaptability is a technical problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
In view of this, the present invention provides a dust screen with good adaptability. Another object of the present invention is to provide a chassis including the above dust screen, wherein the dust screen has good adaptability.
In order to achieve the purpose, the invention provides the following technical scheme:
a dust screen for a chassis, comprising: the first net body is connected with the second net body in a sliding mode to adjust the overlapping area between the first net body and the second net body, and a positioning piece used for positioning the first net body and the second net body is arranged between the first net body and the second net body.
Preferably, the first net body is fixedly provided with a positioning pin, the second net body is provided with a corrugated groove extending along the height direction, two side walls of the corrugated groove are symmetrically arranged corrugated surfaces, and the positioning pin can be positioned in two opposite C-shaped grooves on the corrugated groove.
Preferably, one end of the corrugation groove in the height direction is opened.
Preferably, the end part of the first net body in the length direction is further provided with a sliding groove extending in the height direction, and the end part of the second net body in the length direction is connected to the corresponding sliding groove in a sliding manner.
Preferably, both ends of the first net body in the length direction are provided with the sliding grooves.
Preferably, the first net body comprises a net base body and a U-shaped plate protruding from the net base body along one side in the thickness direction, an intermediate plate of the U-shaped plate is fixed to an edge portion of the net base body extending along the length direction, two opposite side plates of the U-shaped plate are respectively and correspondingly fixed to two edge portions of the net base body extending along the height direction, a gap is formed between each side plate and the corresponding edge portion of the net base body in the thickness direction to form the sliding groove, and the second net body and the U-shaped plate are arranged on the same side in the thickness direction of the net base body.
Preferably, the end part of the second net body in the length direction protrudes outwards along the length direction to form a limiting block, and the end part of the sliding groove abuts against the corresponding limiting block to limit the maximum overlapping area of the first net body and the second net body.
Preferably, the second mesh body and/or the positioning pin have elasticity.
A case comprises a dust screen, wherein the dust screen is the dust screen as in any one of the above items.
The invention provides a dust screen for a chassis, which comprises: the first net body is connected with the second net body in a sliding mode so as to adjust the overlapping area between the first net body and the second net body, and a positioning piece used for positioning the first net body and the second net body is arranged between the first net body and the second net body.
Through the sliding fit of the first net body and the second net body and the positioning of the positioning piece, the size of the dustproof net can be flexibly adjusted through simple operation, the dustproof net can be applied to the cases of different models after the size is adjusted, the dustproof effect can be achieved after the dustproof net is installed inside a case panel, and the adaptability is improved.
The chassis comprising the dustproof net provided by the invention has better adaptability of the dustproof net.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is an external view of a dust screen according to the present invention;
FIG. 2 is an enlarged view of the end of the dust screen provided by the present invention;
FIG. 3 is a diagram illustrating the effect of the dust screen according to the present invention after the height of the dust screen is adjusted to a minimum;
FIG. 4 is a diagram illustrating the effect of the dust screen according to the present invention after adjusting the height of the dust screen to the maximum;
fig. 5 shows a corrugation groove in the dust-proof net provided by the present invention.
In fig. 1 to 5:
1-a first net body, 11-a positioning pin, 12-a sliding chute, 13-a net base body, 14-a U-shaped plate, 141-a middle plate, 142-a side plate, 2-a second net body, 21-a corrugated groove, 211-a C-shaped groove, 212-a positioning bulge and 22-a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide the dust screen which has better adaptability. The other core of the invention is to provide a case comprising the dustproof net, and the dustproof net has better adaptability.
In the description of the present invention, it should be noted that the length direction, the height direction and the thickness direction are three directions perpendicular to each other, each length direction is the same direction, each width direction is the same direction, and each height direction is the same direction.
In an embodiment of the dust screen for a chassis according to the present invention, please refer to fig. 1 to 5, which includes a first net body 1 and a second net body 2, wherein the first net body 1 and the second net body 2 are slidably connected to adjust an overlapping area therebetween, and a positioning member for positioning the first net body 1 and the second net body 2 is disposed between the first net body 1 and the second net body 2 to relatively fix the first net body 1 and the second net body 2.
Wherein, the first net body 1 and the second net body 2 are both provided with a reticular dustproof structure.
It should be noted that, the relative sliding direction of the first net body 1 and the second net body 2 may be only one, for example, the first net body 1 and the second net body 2 may only slide relatively in the height direction; of course, there may be at least two, for example, the first net body 1 and the second net body 2 may slide relatively in the height direction and the length direction.
It should be noted that, when the relative positions of the first net body 1 and the second net body 2 need to be adjusted, the first net body 1 and the second net body 2 can slide relatively without being constrained by the positioning element. When the relative position of the first net body 1 and the second net body 2 is determined, the positioning member can be used for positioning and fixing.
In this embodiment, through the sliding fit of first dictyosome 1 and second dictyosome 2 and the location of setting element, can adjust the size of this dust screen through simple flexible operation, the dust screen can be applied to the quick-witted case of different models after adjusting the size, can reach dirt-proof effect after installing in quick-witted case panel inside, and adaptability obtains improving.
Further, as shown in fig. 2 and 5, the first net body 1 may be fixedly provided with a positioning pin 11, and the second net body 2 is provided with a corrugated groove 21 extending in the height direction. Wherein, two side walls of the corrugated groove 21 are symmetrically arranged corrugated surfaces, and the positioning pin 11 can be positioned in two opposite C-shaped grooves 211 of the corrugated groove 21.
The positioning pin 11 may be an i-shaped nail that is press-riveted to the first net body 1. During specific production design, the shape and the size of the corrugated groove 21 on the part 1 and the size of the I-shaped nail matched with the corrugated groove can be adjusted according to actual conditions to achieve the stepping distance when the part 1 slides.
Among them, in the corrugation groove 21, as shown in fig. 5, the corrugation groove 21 includes two corrugation surfaces extending in the height direction, and the opposing C-shaped grooves 211 on the two corrugation surfaces constitute () -shaped positioning structure. The positioning projection 212 between two adjacent C-shaped grooves 211 on the corrugated surface can catch the positioning pin 11, restraining the positioning pin 11 in the () -like positioning structure. When the pushing force applied to the positioning pin 11 or the second net body 2 is large enough, the positioning pin 11 and the positioning protrusion 212 are deformed by extrusion, and enter an adjacent () structure from one () structure, so that the first net body 1 and the second net body 2 slide relatively.
In this embodiment, the setting that adopts corrugated groove 21 and locating pin 11's cooperation to realize the setting of setting element, according to receiving the difference of external force size, first dictyosome 1 can carry out relative slip or both relative positioning, convenient operation with second dictyosome 2. Meanwhile, the height of the dustproof net can be adjusted, and design investment and mold opening cost of production and processing for adapting the dustproof nets with different heights to be developed due to the fact that the chassis with different heights are required to be reduced.
Certainly, in other embodiments, the positioning element may also be a positioning screw, the first net body 1 and the second net body 2 are correspondingly provided with a positioning hole, and after the relative position of the first net body 1 and the second net body 2 is adjusted, the positioning screw penetrates through the corresponding positioning hole on the first net body 1 and the second net body 2 to be locked.
Further, one end of the corrugation groove 21 in the height direction may be provided in an open shape, facilitating the assembly between the positioning pin 11 and the corrugation groove 21.
Further, the end part of the first net body 1 in the length direction can be provided with a sliding groove 12, the sliding groove 12 extends in the height direction, and the end part of the second net body 2 in the length direction is connected in the corresponding sliding groove 12 in a sliding mode, so that the sliding between the first net body 1 and the second net body 2 can be guided, and the sliding stability is improved.
Wherein, the both ends of first dictyosome 1 on length direction can all be equipped with spout 12 to further improve the direction effect. Of course, only one runner 12 may be provided on the first net body 1.
Further, referring to fig. 2 to 4, the first net body 1 may include a net base 13 and a U-shaped plate 14 protruding from the net base 13 along one side in a thickness direction, a middle plate 141 of the U-shaped plate 14 is fixed to an edge portion of the net base 13 extending in a length direction, and two opposite side plates 142 of the U-shaped plate 14 are respectively fixed to two edge portions of the net base 13 extending in a height direction. Wherein, a gap is arranged between the side plate 142 and the corresponding edge part of the net base body 13 in the thickness direction to form the chute 12. The second net body and the U-shaped plate 14 are arranged on the same side of the net base body 13 in the thickness direction
Through the setting of U-shaped board 14, make things convenient for the processing of spout 12, simultaneously, intermediate lamella 141 can carry on spacingly in the direction of height to second dictyosome 2.
Further, the end portion of the second net body 2 in the length direction protrudes outward along the length direction to form a limiting block 22, the end portion of the sliding groove 12 abuts against the corresponding limiting block 22 to limit the maximum overlapping area between the first net body 1 and the second net body 2, as shown in fig. 3, after the limiting block 22 abuts against the corresponding sliding groove 12, the overlapping area cannot be continuously increased along the height direction between the first net body 1 and the second net body 2, the reliability of the dust-proof net can be improved, and the positioning effect between the first net body 1 and the second net body 2 is improved.
On the basis of any of the above embodiments, the second mesh body 2 and/or the positioning pin 11 may have elasticity, so that the positioning pin 11 can expand the positioning protrusion 212 on the corrugated groove 21, and further, the relative sliding between the positioning pin 11 and the corrugated groove 21 can be conveniently realized to adjust the relative position.
In addition to the above dust screen, the present invention further provides a chassis, where the chassis includes a dust screen, specifically, the dust screen provided in any of the above embodiments, and the beneficial effects are also specifically referred to in the above embodiments. The chassis is particularly applicable to communication devices. For the structure of other parts of the chassis, please refer to the prior art, which is not described herein again. In addition, the case can be particularly applied to communication equipment.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The chassis and the dust screen for the chassis provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A dust screen for a chassis, comprising: the net comprises a first net body (1) and a second net body (2), wherein the first net body (1) is connected with the second net body (2) in a sliding mode so as to adjust the overlapping area between the first net body and the second net body, and a positioning piece used for positioning the first net body (1) and the second net body (2) is arranged between the first net body and the second net body;
the first net body (1) is fixedly provided with a positioning pin (11), the second net body (2) is provided with a corrugated groove (21) extending along the height direction, two side walls of the corrugated groove (21) are symmetrically arranged corrugated surfaces, and the positioning pin (11) can be positioned in two opposite C-shaped grooves (211) on the corrugated groove (21);
the end part of the first net body (1) in the length direction is also provided with a sliding chute (12) extending along the height direction, and the end part of the second net body (2) in the length direction is connected in the corresponding sliding chute (12) in a sliding manner;
first dictyosome (1) include net base member (13) and along ascending one side protrusion in thickness direction net base member (13) U-shaped board (14), the intermediate lamella (141) of U-shaped board (14) are fixed in net base member (13) are along the limit portion that length direction extended, two relative curb plate (142) of U-shaped board (14) correspond respectively and are fixed in net base member (13) are along two limit portions that height direction extended, just curb plate (142) with have the clearance in thickness direction between the corresponding limit portion on net base member (13) in order to form spout (12), second dictyosome (2) with U-shaped board (14) are located same one side in net base member (13) thickness direction.
2. The dust screen according to claim 1, wherein the corrugation grooves (21) are open at one end in the height direction.
3. The dust screen of claim 1, characterized in that the first screen body (1) is provided with the sliding grooves (12) at both ends in the length direction.
4. The dust screen according to claim 1, wherein the end of the second screen body (2) in the length direction protrudes outward along the length direction with a stopper (22), and the end of the sliding groove (12) abuts against the corresponding stopper (22) to limit the maximum overlapping area of the first screen body (1) and the second screen body (2).
5. The dust screen according to any of claims 1 to 4, characterized in that the second screen body (2) and/or the positioning pins (11) are elastic.
6. A cabinet comprising a dust screen, wherein the dust screen is according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216643.2A CN109922621B (en) | 2019-03-20 | 2019-03-20 | Case and dust screen for case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910216643.2A CN109922621B (en) | 2019-03-20 | 2019-03-20 | Case and dust screen for case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109922621A CN109922621A (en) | 2019-06-21 |
| CN109922621B true CN109922621B (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910216643.2A Active CN109922621B (en) | 2019-03-20 | 2019-03-20 | Case and dust screen for case |
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| Country | Link |
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| CN (1) | CN109922621B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3958067A1 (en) | 2020-08-17 | 2022-02-23 | The Swatch Group Research and Development Ltd | Device for attaching a bottom on a middle for a clockpiece |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109922621A (en) | 2019-06-21 |
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