CN204130155U - Rotary valve piston - Google Patents
Rotary valve piston Download PDFInfo
- Publication number
- CN204130155U CN204130155U CN201420605724.4U CN201420605724U CN204130155U CN 204130155 U CN204130155 U CN 204130155U CN 201420605724 U CN201420605724 U CN 201420605724U CN 204130155 U CN204130155 U CN 204130155U
- Authority
- CN
- China
- Prior art keywords
- piston
- piston head
- gasket
- convex platform
- shell
- Prior art date
- 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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Links
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Closures For Containers (AREA)
Abstract
The utility model discloses a kind of rotary valve piston, comprise piston, piston bush, piston head, screw bar, there are two recesses piston head side, piston has port, piston bush has blow vent, piston has shell top and bottom mouth, embodiment in which top gasket is padded between shell top and piston head, end mouth upper cover bottom, bottom gasket is padded between bottom and piston head, piston head has top cavity, embodiment in which top gasket has lower convex platform and button top flanging, button top flanging is clipped between shell top and piston bush, the accent of top cavity is supported on lower convex platform end face, embodiment in which top gasket has perforation, screw bar lower end to be connected with top cavity, top passes shell top through after perforation, bottom pocket is had bottom piston head, bottom pocket axle center post, bottom gasket has convex platform and button base pressure limit, button base pressure limit is clipped between bottom and piston bush, the accent of bottom pocket is supported on convex platform, bottom gasket has axle center hole, axle center post is set in axle center hole.The utility model Stability Analysis of Structures, piston head is twisted smooth, can not produce noise.
Description
Technical field
The utility model relates to the piston field of wind instrument, particularly relates to a kind of rotary valve piston.
Background technology
Piston head in existing wind instrument rotary valve piston and between the shell top of piston, must gap be left between the bottom of piston head and piston; just can guarantee that piston head can be twisted, but also this, because there is such gap, makes rotary valve piston easily produce noise; loosely organized, very unstable.
Utility model content
In view of this, technical problem to be solved in the utility model is: provide a kind of Stability Analysis of Structures, and piston head is twisted smooth in piston, can not produce the valve piston of noise.
In order to achieve the above object, the utility model adopts following technical scheme to realize:
A kind of rotary valve piston, before being included in self, after, left, right side wall has respectively the cylindrical plastic piston of port, be sheathed on the cylindrical metal piston head in described piston, described piston head is directed upwardly to be extended with along own axes and screws bar, the axis sidepiece of described piston head have two recesses, the described bar that screws is controlled gas channel in each port of described piston by the Angle Position regulating the described recess of described piston head and be rotated about axis, go back fixed cover in described piston and be provided with metallic piston cover in order to be slidably matched with described piston head, the position that described piston is placed on each port on corresponding described plastic piston shell has blow vent, wherein, described piston has shell top and bottom mouth, between described shell top and piston head, pad is provided with POM embodiment in which top gasket, mouth upper cover of the described end is connected to bottom, between described bottom and piston head, pad is provided with POM bottom gasket, the inner edge, top of described piston head has circular top cavity, the middle part of described embodiment in which top gasket has and heads into lower convex platform in the mouth of described piston bush top and form button top flanging in the periphery of described lower convex platform, described button top flanging clips withholds between the outer rim of bottom surface, described shell top and the top mouth of described piston bush, what described piston head can screw rotation by the accent of described top cavity supports in the outer rim of described lower convex platform end face, the center of described embodiment in which top gasket has perforation, the described lower end screwing bar is connected with the Qiang Di center of described top cavity, the center of top through described perforation and via described shell top passes to outside described piston, the inner edge, bottom of described piston head has circular bottom pocket, the Qiang Di center of described bottom pocket is extended with axle center post down along own axes direction, the middle part of described bottom gasket has and heads into convex platform in mouth at the bottom of described piston bush and form button base pressure limit in the periphery of described convex platform, described button base pressure limit clips withholds between the outer rim of described bottom end face and the end mouth of described piston bush, what described piston head can screw rotation by the accent of described bottom pocket supports in the outer rim of described convex platform end face, the center of described bottom gasket has axle center hole, described axle center post is set in described axle center hole.
As preferably, the top of described piston is provided with can the torq of axial rotation, described torq upper latch notch, the described bar plug-in card that screws is in described bayonet socket, axle swivel base is provided with outside the shell top of described piston, described torq block set is on described axle swivel base, described torq is extended with in self side turns round the portion of dialling, the described bottom surface turning round the portion of dialling is connected with spacer pin, the position that described piston is in described spacer pin both sides outside shell top is provided with to limit the gear block of described torq axial rotation within the scope of 90 degree, and described gear block is flexible glue block.
As preferably, piston is ABS shell, and described bottom is ABS lid.
As shown from the above technical solution, the beneficial effects of the utility model are:
Compared to existing technology, the utility model is by the setting to POM embodiment in which top gasket and POM bottom gasket, make it namely ensure that piston head, between piston and piston bush, any gap can not be left, also ensure the adjustment that piston head can be freely smooth to twist simultaneously, thus there is Stability Analysis of Structures, the outstanding advantage effect of noise can not be produced.
Accompanying drawing explanation
Fig. 1 is decomposition texture schematic diagram 1 of the present utility model.
Fig. 2 is decomposition texture schematic diagram 2 of the present utility model.
Fig. 3 is main TV structure schematic diagram of the present utility model.
Fig. 4 is side-looking structural representation of the present utility model.
Fig. 5 is plan structure schematic diagram of the present utility model.
Fig. 6 of the present utility modelly looks up structural representation.
Fig. 7 is cross section structure schematic diagram of the present utility model.
Embodiment
In order to make those skilled in the art can further understand feature of the present utility model and technology contents, refer to following about detailed description of the present utility model and accompanying drawing.
Refer to shown in Fig. 1 to Fig. 7, the utility model provides a kind of rotary valve piston, before being included in self, after, left, right side wall has respectively the cylindrical plastic piston 2 of port 1, be sheathed on the cylindrical metal piston head 3 in described piston, described piston head is directed upwardly to be extended with along own axes and screws bar 4, the axis sidepiece of described piston head have two recesses 5, the described bar that screws is controlled gas channel in each port of described piston by the Angle Position regulating the described recess of described piston head and be rotated about axis, go back the metallic piston that fixed cover is provided with in order to be slidably matched with described piston head in described piston and overlap 6, the position that described piston is placed on each port on corresponding described plastic piston shell has blow vent 7, wherein, described piston has shell top 8 and end mouth (not shown), between described shell top and piston head, pad is provided with POM embodiment in which top gasket 9, mouth upper cover of the described end is connected to bottom 10, between described bottom and piston head, pad is provided with POM bottom gasket 11, the inner edge, top of described piston head has circular top cavity 12, the middle part of described embodiment in which top gasket has and heads into lower convex platform 13 in the mouth of described piston bush top and form button top flanging 14 in the periphery of described lower convex platform, described button top flanging clips withholds between the outer rim of bottom surface, described shell top and the top mouth of described piston bush, what described piston head can screw rotation by the accent of described top cavity supports in the outer rim of described lower convex platform end face, the center of described embodiment in which top gasket has perforation 15, the described lower end screwing bar is connected with the Qiang Di center of described top cavity, the center of top through described perforation and via described shell top passes to outside described piston, the inner edge, bottom of described piston head has circular bottom pocket (not shown), the Qiang Di center of described bottom pocket is extended with axle center post 16 down along own axes direction, the middle part of described bottom gasket has and heads into convex platform 17 in mouth at the bottom of described piston bush and form button base pressure limit 18 in the periphery of described convex platform, described button base pressure limit clips withholds between the outer rim of described bottom end face and the end mouth of described piston bush, what described piston head can screw rotation by the accent of described bottom pocket supports in the outer rim of described convex platform end face, the center of described bottom gasket has axle center hole 19, described axle center post is set in described axle center hole, the top of described piston is provided with can the torq (not shown) of axial rotation, described torq upper latch notch, the described bar plug-in card that screws is in described bayonet socket, axle swivel base 20 is provided with outside the shell top of described piston, described torq block set is on described axle swivel base, described torq is extended with in self side turns round the portion of dialling, the described bottom surface turning round the portion of dialling is connected with spacer pin, the position that described piston is in described spacer pin both sides outside shell top is provided with to limit the gear block 21 of described torq axial rotation within the scope of 90 degree, described gear block is flexible glue block, piston is ABS shell, described bottom is ABS lid.
The utility model in actual applications, the major and minor pipe of described port as required on connecting pipe musical instrument, during use, corresponding to the diverse location in piston, closed firmly which port, makes air-flow not pass through, which port that conducting is simultaneously other, thus switch the air-flow be blown in wind instrument and pass through in different ports, to reach the object regulating scale tone.In addition, the effect of described flexible glue block is torq and then carries out spacing to the slew range of piston head, makes its axial rotation within the scope of 90 degree all the time, it also has the effect of damping and silencing simultaneously, meanwhile, described piston head can be the metalwork such as stainless steel, copper, does not add restriction at this.
But the foregoing is only better possible embodiments of the present utility model, and be not used to limit to the scope of the claims of the present utility model, therefore the equivalent structure change that all utilization the utility model instructionss and accompanying drawing content are done, be all in like manner included in scope of the present utility model.
Claims (3)
1. a rotary valve piston, before being included in self, after, left, right side wall has respectively the cylindrical plastic piston of port, be sheathed on the cylindrical metal piston head in described piston, described piston head is directed upwardly to be extended with along own axes and screws bar, the axis sidepiece of described piston head have two recesses, the described bar that screws is controlled gas channel in each port of described piston by the Angle Position regulating the described recess of described piston head and be rotated about axis, go back fixed cover in described piston and be provided with metallic piston cover in order to be slidably matched with described piston head, the position that described piston is placed on each port on corresponding described plastic piston shell has blow vent, it is characterized in that, described piston has shell top and bottom mouth, between described shell top and piston head, pad is provided with POM embodiment in which top gasket, mouth upper cover of the described end is connected to bottom, between described bottom and piston head, pad is provided with POM bottom gasket, the inner edge, top of described piston head has circular top cavity, the middle part of described embodiment in which top gasket has and heads into lower convex platform in the mouth of described piston bush top and form button top flanging in the periphery of described lower convex platform, described button top flanging clips withholds between the outer rim of bottom surface, described shell top and the top mouth of described piston bush, what described piston head can screw rotation by the accent of described top cavity supports in the outer rim of described lower convex platform end face, the center of described embodiment in which top gasket has perforation, the described lower end screwing bar is connected with the Qiang Di center of described top cavity, the center of top through described perforation and via described shell top passes to outside described piston, the inner edge, bottom of described piston head has circular bottom pocket, the Qiang Di center of described bottom pocket is extended with axle center post down along own axes direction, the middle part of described bottom gasket has and heads into convex platform in mouth at the bottom of described piston bush and form button base pressure limit in the periphery of described convex platform, described button base pressure limit clips withholds between the outer rim of described bottom end face and the end mouth of described piston bush, what described piston head can screw rotation by the accent of described bottom pocket supports in the outer rim of described convex platform end face, the center of described bottom gasket has axle center hole, described axle center post is set in described axle center hole.
2. rotary valve piston as claimed in claim 1, it is characterized in that, the top of described piston is provided with can the torq of axial rotation, described torq upper latch notch, the described bar plug-in card that screws is in described bayonet socket, axle swivel base is provided with outside the shell top of described piston, described torq block set is on described axle swivel base, described torq is extended with in self side turns round the portion of dialling, the described bottom surface turning round the portion of dialling is connected with spacer pin, the position that described piston is in described spacer pin both sides outside shell top is provided with to limit the gear block of described torq axial rotation within the scope of 90 degree, described gear block is flexible glue block.
3. the rotary valve piston according to any one of claim 1 to 2, is characterized in that, piston is ABS shell, and described bottom is ABS lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605724.4U CN204130155U (en) | 2014-10-08 | 2014-10-08 | Rotary valve piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605724.4U CN204130155U (en) | 2014-10-08 | 2014-10-08 | Rotary valve piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204130155U true CN204130155U (en) | 2015-01-28 |
Family
ID=52386487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605724.4U Active CN204130155U (en) | 2014-10-08 | 2014-10-08 | Rotary valve piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204130155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218412A (en) * | 2017-07-04 | 2017-09-29 | 胡大为 | The brass instrument rotary valve and brass instrument of a kind of use bearing |
| CN113450740A (en) * | 2021-06-30 | 2021-09-28 | 杨帆 | Musical instrument rotary valve |
-
2014
- 2014-10-08 CN CN201420605724.4U patent/CN204130155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218412A (en) * | 2017-07-04 | 2017-09-29 | 胡大为 | The brass instrument rotary valve and brass instrument of a kind of use bearing |
| CN113450740A (en) * | 2021-06-30 | 2021-09-28 | 杨帆 | Musical instrument rotary valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190410 Address after: 053300 Wuqiang County Industrial Zone, Hengshui City, Hebei Province Patentee after: HEBEI ZHENG'OU INDUSTRY CO.,LTD. Address before: 100006 No. 85 Wangfujing Street, Dongcheng District, Beijing Co-patentee before: Deng Shizhong Patentee before: Zhang Ning |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231016 Address after: 053300 Economic Development Zone, Wuqiang County, Hengshui City, Hebei Province Patentee after: Zhengou musical instrument Co.,Ltd. Address before: 053300 Wuqiang County Industrial Zone, Hengshui City, Hebei Province Patentee before: HEBEI ZHENG'OU INDUSTRY CO.,LTD. |