CN204720158U - A kind of simple dust preventing whistle - Google Patents
A kind of simple dust preventing whistle Download PDFInfo
- Publication number
- CN204720158U CN204720158U CN201520481585.3U CN201520481585U CN204720158U CN 204720158 U CN204720158 U CN 204720158U CN 201520481585 U CN201520481585 U CN 201520481585U CN 204720158 U CN204720158 U CN 204720158U
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- CN
- China
- Prior art keywords
- whistle
- proof boot
- dirt
- blow gun
- whistle body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of simple dust preventing whistle, comprise whistle body, one end of described whistle body has blow gun portion, tubular dirt-proof boot is set with outside described whistle body, described dirt-proof boot and described whistle body are slidably matched, also position limiting structure is provided with between described dirt-proof boot and described whistle body, when described whistle body is placed down with blow gun portion, described dirt-proof boot is slide downward under the effect of self gravitation, and by the restriction of described position limiting structure, described dirt-proof boot stops sliding after sliding down to and sheltering from described blow gun portion completely, when described dirt-proof boot slides towards the direction relative with described blow gun portion, described blow gun portion can expose completely.The utility model structure is simple, to existing structure change little, be easy to realize, and easy to use, there is extraordinary dust-proof effect, clean hygiene.
Description
Technical field
The utility model relates to a kind of whistle, specifically a kind of simple dust preventing whistle.
Background technology
Whistle is that its shape system is a lot of with metal, bamboo wood or the small-sized implements of the one that can blow made of plastic or other material, as in 9 fonts, cylindrical etc., its purposes also differs, as gathering people, practice or sports tournament time send out command.
Although existing whistle shape system is different, but generally all there is one section by the blow gun portion for blowing contained in mouth, when whistle is on the shelf, whistle can deposit dust, the dust that the blow gun portion of especially whistle deposits can enter human body when next time uses by face, very unhygienic, therefore, user needs to clean before every use, very inconvenient.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of structure simple, easy to use, there is simple dust preventing whistle from dust-proof effect.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of simple dust preventing whistle, comprise whistle body, one end of described whistle body has blow gun portion, tubular dirt-proof boot is set with outside described whistle body, described dirt-proof boot and described whistle body are slidably matched, also position limiting structure is provided with between described dirt-proof boot and described whistle body, when described whistle body is placed down with blow gun portion, described dirt-proof boot is slide downward under the effect of self gravitation, and by the restriction of described position limiting structure, described dirt-proof boot stops sliding after sliding down to and sheltering from described blow gun portion completely, when described dirt-proof boot slides towards the direction relative with described blow gun portion, described blow gun portion can expose completely.
Further, the longitudinal section of described whistle body is 9 fonts, and described whistle body has a circular cylindrical cavity and one section of flat airflow line, and the free end of airflow line is blow gun portion, and described dirt-proof boot is enclosed within outside this airflow line.
Further, described position limiting structure comprises the spacing preiection that two are arranged on the relative both sides of the inside surface of described dirt-proof boot, and two outside surfaces being arranged on described whistle body the protruding block in bar shaped corresponding with described two spacing preiection positions respectively, the bearing of trend of described protruding block is perpendicular to the glide direction of described dirt-proof boot.
Further, the gap between described dirt-proof boot and described whistle body is 1-3mm, and the inside surface of described dirt-proof boot is provided with multiple for making to keep between described dirt-proof boot and described whistle body the guide protrusions of right alignment.
Further, described spacing preiection is identical with the structure of described guide protrusions, and described spacing preiection doubles as guide protrusions and uses.
Further, described spacing preiection, protruding block and guide protrusions are all formed by punching press.
Further, the other end relative with blow gun portion of described whistle body is fixed with lanyard.
Compared with prior art, the beneficial effects of the utility model are: whistle is time on the shelf, hung up, blow gun portion down, dirt-proof boot is slide downward under the effect of self gravitation, when slide into shelter from blow gun portion completely time, spacing preiection is resisted against on protruding block, thus make dirt-proof boot stop slide downward, like this by dirt-proof boot block realize whistle from dust-proof effect; When using whistle, promote dirt-proof boot to slide towards the direction relative with blow gun portion, making blow gun portion expose completely can blow a whistle, or whistle is put so that blow gun portion is upwards perpendicular, then dirt-proof boot slide downward under the effect of self gravitation, described blow gun portion also can expose completely.Can find out that the utility model structure is simple, little to existing structure change, be easy to realize, and easy to use, there is extraordinary dust-proof effect, clean hygiene.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the utility model embodiment 1.
Fig. 2 is the dirt-proof boot of the utility model embodiment 1 and the partial sectional view in blow gun portion.
Fig. 3 is the stereographic map of the utility model embodiment 2.
Being labeled as of each parts in accompanying drawing: 1 whistle body, 11 blow gun portions, 12 protruding blocks, 13 lanyards, 2 dirt-proof boots, 21 spacing preiections, 22 guide protrusions.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
Embodiment 1
See Fig. 1 and Fig. 2.
A kind of simple dust preventing whistle of the utility model embodiment 1, comprise whistle body 1, one end of described whistle body 1 has blow gun portion 11, tubular dirt-proof boot 2 is set with outside described whistle body 1, described dirt-proof boot 2 is slidably matched with described whistle body 1, also position limiting structure is provided with between described dirt-proof boot 2 and described whistle body 1, when described whistle body 1 is placed down with blow gun portion 11, described dirt-proof boot 2 slide downward under the effect of self gravitation, and by the restriction of described position limiting structure, described dirt-proof boot 2 stops after sliding down to and sheltering from described blow gun portion 11 completely sliding, " blocking completely " described here can make the lower end of described dirt-proof boot 2 slightly exceed the lower end in described blow gun portion 11, when described dirt-proof boot 2 slides towards the direction relative with described blow gun portion 11, described blow gun portion 11 can expose completely.
In the present embodiment, the longitudinal section of described whistle body 1 is 9 fonts, and described whistle body 1 has a circular cylindrical cavity and one section of flat airflow line, and the free end of airflow line is blow gun portion 11, and described dirt-proof boot 2 is enclosed within outside this airflow line; In order to improve the compatible degree of whistle body 1 and dirt-proof boot 2, described dirt-proof boot 2 is designed to flat, and its xsect is rectangular annular.In order to ensure that blow gun portion 11 can expose in use completely, time idle, can be sheltered from completely by dirt-proof boot 2, the length of this airflow line need be slightly longer than the airflow line length of common whistle, concrete length is determined according to actual needs, as long as can ensure above-mentioned effect, is not particularly limited.
Described position limiting structure comprises the spacing preiection 21 that two are arranged on the relative both sides of the inside surface of described dirt-proof boot 2, and two outside surfaces being arranged on whistle body 1 the protruding block 12 in bar shaped corresponding with described two spacing preiection 21 positions respectively, the bearing of trend of described protruding block 12 is perpendicular to the glide direction of described dirt-proof boot 2.Above-mentioned position limiting structure is simple, be easy to realize, and limit effect is reliable.In the present embodiment, according to dirt-proof boot 2 concrete shape, two spacing preiections 21 are arranged on the glide direction center line of two long sides of dirt-proof boot 2, and protruding block 12 is arranged at blow gun portion 11 outside surface of whistle body 1, such dirt-proof boot 2 stressed more evenly, stable.
Gap between described dirt-proof boot 2 and described whistle body 1 is 1-3mm, and the inside surface of described dirt-proof boot 2 is provided with multiple for making to keep between described dirt-proof boot 2 and described whistle body 1 guide protrusions 22 of right alignment.Guide protrusions 22 is preferably arranged on the relative both sides of the inside surface of dirt-proof boot 2, and in the present embodiment, four drift angle places of two long sides of dirt-proof boot 2 are respectively provided with a guide protrusions 22.Whistle after a procedure, blow gun portion 11 can remain saliva, in order to enable saliva drying, gap between described dirt-proof boot 2 and described whistle body 1 is unsuitable too small, and in order to ensure dust-proof effect, above-mentioned gap is also unsuitable excessive, therefore designing this gap can factor in balance those two at 1-3mm, the guide protrusions 22 arranged further then can ensure the right alignment between dirt-proof boot 2 and whistle body 1, prevent between dirt-proof boot 2 and whistle body 1, occurring that a side clearance is too small, and the situation of opposite side excesssive gap.
Described spacing preiection 21, protruding block 12 and guide protrusions 22 are all formed by punching press.Spacing preiection 21, protruding block 12 and the guide protrusions 22 adopting said method to be formed is connected as a body with whistle body 1 or dirt-proof boot 2, can ensure its strength and stability like this, and easy to make.Described spacing preiection 21 is identical with the structure of described guide protrusions 22, and described spacing preiection 21 doubles as guide protrusions 22 and uses.
The other end relative with blow gun portion 11 of described whistle body 1 is fixed with lanyard 13.Arranging above-mentioned lanyard 13 can make described whistle body 1 hang with blow gun portion 11 easily down.
The course of work of a kind of simple dust preventing whistle of the present embodiment is: whistle is time on the shelf, hung up, blow gun portion 11 down, dirt-proof boot 2 is slide downward under the effect of self gravitation, when slide into shelter from blow gun portion 11 completely time, spacing preiection 21 is resisted against on protruding block 12, see Fig. 2, thus make dirt-proof boot 2 stop slide downward, like this by dirt-proof boot 2 block realize whistle from dust-proof effect; When using whistle, promote dirt-proof boot 2 to slide towards the direction relative with blow gun portion 11, make blow gun portion 11 expose completely can blow a whistle, or whistle is put so that blow gun portion 11 is upwards perpendicular, then dirt-proof boot 2 slide downward under the effect of self gravitation, described blow gun portion 11 also can expose completely and blows a whistle.
Embodiment 2
See Fig. 3.
The present embodiment is similar to embodiment 1, therefore is only described for deviation.Their difference is: described whistle body 1 is cylindrical, and the xsect of corresponding described dirt-proof boot 2 is annular.For the purpose of succinctly describing, not shown position limiting structure and guide protrusions 22 in Fig. 3, but those skilled in the art are according to embodiment 1, can predict their concrete structure completely.The course of work of the simple dust preventing whistle of the present embodiment is with embodiment 1.
For making simplified form, only schematically show the part relevant to the utility model in each figure, they do not represent its practical structures as product.It will be apparent to those skilled in the art that the difference according to principle of sound, the inner structure of whistle can also comprise the known features such as rattle or sounding sheet.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a simple dust preventing whistle, comprise whistle body (1), one end of described whistle body (1) has blow gun portion (11), it is characterized in that: outside described whistle body (1), be set with tubular dirt-proof boot (2), described dirt-proof boot (2) and described whistle body (1) are slidably matched, also position limiting structure is provided with between described dirt-proof boot (2) and described whistle body (1), when described whistle body (1) is placed down with blow gun portion (11), described dirt-proof boot (2) slide downward under the effect of self gravitation, and by the restriction of described position limiting structure, described dirt-proof boot (2) slide down to shelter from completely described blow gun portion (11) stop afterwards slide, when described dirt-proof boot (2) slides towards the direction relative with described blow gun portion (11), described blow gun portion (11) can be exposed completely.
2. simple dust preventing whistle as claimed in claim 1, it is characterized in that: the longitudinal section of described whistle body (1) is 9 fonts, described whistle body (1) has a circular cylindrical cavity and one section of flat airflow line, the free end of airflow line is blow gun portion (11), and described dirt-proof boot (2) is enclosed within outside this airflow line.
3. simple dust preventing whistle as claimed in claim 1 or 2, it is characterized in that: described position limiting structure comprises the spacing preiection (21) that two are arranged on the relative both sides of the inside surface of described dirt-proof boot (2), and two outside surfaces being arranged on whistle body (1) the protruding block (12) in bar shaped corresponding with described two spacing preiection (21) positions respectively, the bearing of trend of described protruding block (12) is perpendicular to the glide direction of described dirt-proof boot (2).
4. simple dust preventing whistle as claimed in claim 3, it is characterized in that: the gap between described dirt-proof boot (2) and described whistle body (1) is 1-3mm, the inside surface of described dirt-proof boot (2) is provided with multiple for making to keep between described dirt-proof boot (2) and described whistle body (1) guide protrusions (22) of right alignment.
5. simple dust preventing whistle as claimed in claim 4, is characterized in that: described spacing preiection (21) is identical with the structure of described guide protrusions (22), and described spacing preiection (21) doubles as guide protrusions (22) and uses.
6. simple dust preventing whistle as claimed in claim 4, is characterized in that: described spacing preiection (21), protruding block (12) and guide protrusions (22) are all formed by punching press.
7. simple dust preventing whistle as claimed in claim 1 or 2, is characterized in that: the other end relative with blow gun portion (11) of described whistle body (1) is fixed with lanyard (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520481585.3U CN204720158U (en) | 2015-07-02 | 2015-07-02 | A kind of simple dust preventing whistle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520481585.3U CN204720158U (en) | 2015-07-02 | 2015-07-02 | A kind of simple dust preventing whistle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204720158U true CN204720158U (en) | 2015-10-21 |
Family
ID=54319134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520481585.3U Expired - Fee Related CN204720158U (en) | 2015-07-02 | 2015-07-02 | A kind of simple dust preventing whistle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204720158U (en) |
-
2015
- 2015-07-02 CN CN201520481585.3U patent/CN204720158U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20200702 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |