CN107218412A - The brass instrument rotary valve and brass instrument of a kind of use bearing - Google Patents
The brass instrument rotary valve and brass instrument of a kind of use bearing Download PDFInfo
- Publication number
- CN107218412A CN107218412A CN201710536956.7A CN201710536956A CN107218412A CN 107218412 A CN107218412 A CN 107218412A CN 201710536956 A CN201710536956 A CN 201710536956A CN 107218412 A CN107218412 A CN 107218412A
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- China
- Prior art keywords
- bearing
- rotary valve
- brass instrument
- overcoat
- valve element
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/065—Construction of housing; Use of materials therefor of taps or cocks with cylindrical plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0442—Spindles and actuating means
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D9/00—Details of, or accessories for, wind musical instruments
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The present invention proposes a kind of brass instrument rotary valve of use bearing and the brass instrument with the rotary valve, and rotary valve includes sub- lid, clutch shaft bearing, the valve element with multiple recesses, overcoat, the second axis hole, second bearing and stopper arms etc..The present invention need to only ensure that the axiality relation between the crucial face of cylinder can guarantee that perfect fiting effect between part in turnery processing part by clamped one time, the precision-fit between part need not be realized by fine gtinding, assembly difficulty is reduced, production procedure is simplified；The sliding friction of existing rotary valve is changed to the rolling friction of bearing by the present invention, and frictional force is greatly reduced, and is not in the phenomenon such as stuck；Valve element of the present invention and son lid and overcoat and it is not directly contacted with, is not in that abrasion, rust are waited indefinitely problem, and the bearing steel that bearing is used, its wearability is much better than brass material, and pass through Surface hardening treatment, the life-span of brass instrument therefore is significantly extended.
Description
Technical field
The present invention relates to wind instrument equipment technical field, and in particular to a kind of brass instrument rotary valve of use bearing and uses
The brass instrument of the rotary valve.
Background technology
The length of gases flow via line when often being played wind instruments on Western brass instrument using a kind of rotary valve to switch, to reach tune
Save the purpose of pitch.This rotary valve structure is generally comprised：Side wall is provided with the cylindrical shape valve chest of multiple through holes, installed in the valve casing
Internal valve element and the valve chest lid of closing valve chest openend, valve element have one or symmetrically many with axis centre
Individual recess, the two ends of valve element are the rotating shaft with certain taper, and rotating shaft and the taper hole of valve chest and valve chest lid coordinate, and pass through
Lubricating oil realizes more smooth rotation, changes position of the recess relative to the through hole on valve casing body sidewall by rotational valve core
Put, with to being switched over via valve element by the gas channel of valve chest, and change the length of gases flow via line, so as to change
The height of tone.
But, said structure has following defect：
1st, complex manufacturing.Existing structure is higher to requirement on machining accuracy, and is also needed in assembling stage using grinding
Grind cream and careful grinding is carried out to valve element and overcoat, the mating surface of sub- lid, so that reaching can be fitted close and can smooth out what is rotated
State.Process of lapping is careless slightly to cause overgrinding, may result in rotary valve and integrally scraps.
2nd, rotary valve rotary resistance is larger.Due to being sliding friction between axle and hole, therefore the resistance that rotary valve is rotated is larger, very
To often there is the phenomenon such as stuck.
3rd, because axle and hole are in contact condition all the time, musical instrument is waited indefinitely problem without using easily there is rotary valve rust for a long time.
4th, short life.For stringed musical instrument, woodwind instrument, the life-span of brass instrument is universal partially short, and typically only 10
Year or so.And cause the main factor of brass instrument short life to be exactly to be extremely limited in life-span of rotary valve.Rotary valve spool and overcoat,
The fit clearance and fit precision of son lid are gradually deteriorated with continuing on for brass instrument, and the fit clearance in axle and hole is gradually
, there is shaft swing phenomenon in increase while causing valve element to be rotated in overcoat, and the problems such as with gas leakage, and in rotation
During can send very big noise, have a strong impact on instrument playing effect.
In view of this, it is special to propose the present invention.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the invention to propose a kind of brass instrument rotary valve of use bearing.Concrete technical scheme is as follows：
1st, a kind of brass instrument rotary valve of use bearing, including：Son lid, its interior is provided with the first axis hole, the axis hole is pacified
Equipped with clutch shaft bearing；Valve element with multiple recesses, its upper end is connected with the lid, and the two ends of the valve element are respectively equipped with
Upper rotating shaft and lower rotary shaft, the upper rotating shaft are connected with the clutch shaft bearing；Overcoat, the valve element is placed in the overcoat, institute
The top for stating overcoat is connected with the sub- lid, and the side wall of the overcoat is provided with multiple through holes being engaged with the recess, institute
The bottom wall for stating overcoat is provided with the second axis hole；Second bearing, its be arranged on second axis hole in and with the lower rotary shaft of the valve element
It is connected；Stopper arms, its be connected with the valve element bottom and the spacing valve element slewing area.
The brass instrument rotary valve of the use bearing provided according to the present invention, as long as in turnery processing valve element, overcoat, sub- lid etc.
Ensure the axiality on the crucial face of cylinder during part using clamped one time, that is, can guarantee that perfect fiting effect, valve between part
Core, rotating shaft, sub- lid through hole, overcoat through hole etc. are the position of circular conical surface in existing rotary valve, are the face of cylinder in the present invention,
The precision-fit between part need not be realized by fine gtinding, assembly difficulty is reduced, simplifies production procedure；This hair
The bright sliding friction by existing rotary valve is changed to the rolling friction of bearing, and frictional force is greatly reduced, and is not in that stuck grade shows
As；Valve element and son lid and overcoat and it is not directly contacted with, is not in abrasion and the dead problem of rust, increases the service life.
In addition, the brass instrument rotary valve of the use bearing provided according to the present invention also has following additional technical feature：
According to the example of the present invention, the top of the upper rotating shaft is provided with oil filler point, the top of the valve element be provided with
The oil outlet that the oil filler point is connected.
According to the example of the present invention, the recess is at least a row and often the quantity of row's recess is circumferentially to divide along valve element
Cloth it is one or more, the quantity of the through hole is an at least row, and is laid per circumferencial direction of the exhausting hole along the overcoat.
According to the example of the present invention, the lower rotary shaft has extended downwardly connection end, and the stop arm body is socketed in
On the connection end, and stopper arms compress the second bearing close to one end of the second bearing, and the stopper arms include post
The stop arm body and the arresting lever installed in stop arm body side of shape or tubular, the jacket bottom are provided with and the stop
The auxiliary section of the spacing cooperation of bar.
According to the example of the present invention, the auxiliary section is the position-limited rack being arranged on the bottom wall of the overcoat, described
The left and right sides of position-limited rack is provided with the first positive stop end and the second positive stop end.
According to the example of the present invention, the side of the stop arm body is welded with the engaging lug perpendicular to axis, institute
State arresting lever to be welded on the engaging lug, and be arranged in an axially parallel mode with the stop arm body.
According to the example of the present invention, the clutch shaft bearing, second bearing are rolling bearing or sliding bearing.
According to the example of the present invention, the material of the clutch shaft bearing and/or second bearing includes surface and passes through hardening
The bearing steel of processing.
According to the example of the present invention, the sub- lid is interference fitted with the overcoat.
In addition, the present invention also provides a kind of brass instrument, it has the copper pipe of the use bearing described in above-mentioned technical proposal
Musical instrument rotary valve, the brass instrument rotary valve can be the brass instrument using rotary valve such as circular horn, trombone, trumpet, large size.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation of the brass instrument rotary valve of the use bearing of the present embodiment；
Fig. 2 is the structural representation of the son lid of the brass instrument rotary valve of the use bearing of the present embodiment；
Fig. 3 is the structural representation of the valve element of the brass instrument rotary valve of the use bearing of the present embodiment；
Fig. 4 is the structural representation of the overcoat of the brass instrument rotary valve of the use bearing of the present embodiment；
Fig. 5 is the structural representation of the stopper arms of the brass instrument rotary valve of the use bearing of the present embodiment；
Fig. 6 is the assembly structural representation of the brass instrument rotary valve of the use bearing of the present embodiment；
Embodiment
Embodiments of the invention are described below in detail, the example of embodiment is shown in the drawings, wherein identical from beginning to end
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings come be described in detail according to the present invention use bearing brass instrument rotary valve.
With reference to shown in accompanying drawing 1-5, the present embodiment proposes a kind of brass instrument rotary valve of use bearing, including with bottom
Part：Sub- lid 1, clutch shaft bearing 2 (i.e. upper bearing (metal)), valve element 3, overcoat 4, second bearing 5 (i.e. lower bearing), stopper arms 6, screw 7, limit
Position frame 8, positive stop end 9, trip bolt 10.
As illustrated in fig. 1 and 2, the sub- lid 1 of the present embodiment is in annular shape, and its interior is provided with the first axis hole 101, axis hole 101 is pacified
Equipped with clutch shaft bearing 2, the outer ring of axis hole 101 and clutch shaft bearing 2 is interference fitted.The entirety of valve element 3 is cylindrical, and in valve element 3
Multiple rows of recess 301 is drained into provided with one, each row's recess is made up of one or more recesses, and the laying form of recess can basis
Specific musical instrument specifications design, recess is to be processed by rose cutter along the inswept valve element 3 of movement in a curve, and its section is about in 3/
4 or so circle.As shown in figs. 1 and 3, rotating shaft 302 and lower rotary shaft 303 on columned are respectively equipped with the two ends of valve element 3, on
The inner ring of rotating shaft 302 and clutch shaft bearing 2 is interference fitted, lower rotary shaft and the inner ring interference fits of second bearing 5 so that valve element can be with
Rotated between two bearings, and the sliding friction of existing rotary valve be changed to the rolling friction of bearing, frictional force is greatly reduced,
And be not in the phenomenon such as stuck.
In addition, prior art needs the regular shaft end addition lubricating oil in valve element suitable to ensure to operate between axle and axis hole
It is sliding, but be due to that the valve element two ends of the present embodiment are mounted with bearing, bearing can internally add paste lubricating grease before dispatching from the factory, be
The dilution of musical instrument special lube, dissolving bearing grease, therefore musical instrument user is avoided to be lubricated to valve element of the present invention
When, it is impossible to directly musical instrument special lube is dropped on bearing.Therefore applicant specially devises oil filler point on valve element, is easy to
User carries out the lubrication of bearing and valve element, and prevents the dilution of musical instrument special lube, dissolving bearing grease, as shown in figure 1,
Oil filler point 304 is arranged on spindle central position, and oil outlet 305 is located on the external cylindrical surface on the top of valve element 3, the He of oil filler point 304
It is interconnected between oil outlet 305, the position and quantity of oil filler point and oil outlet can adjust, and user can be in oil filler point 304
Upper addition musical instrument special lube, and then lubricating oil is lubricated by oil outlet 305 to the gap between valve element and overcoat, and
And may not flow into clutch shaft bearing, and then protect bearing grease not to be diluted, extend the use longevity of bearing and valve element
Life.
As shown in figs. 1 and 4, overcoat 4 plays protection internal structure and coordinates the change for realizing tone with the recess 301 of valve element 3
Change, in addition, overcoat 4 also acts as the effect of fixed above-mentioned clutch shaft bearing 2 and second bearing 5, valve element 3 is arranged in overcoat, outside
The upper end of set 4 is interference fitted with sub- lid 1, i.e., in the lower surface of sub- lid 1 provided with annular slotted, the upper surface of overcoat 4 provided with
The flange that annular groove is adapted, both are interference fitted, it is ensured that the stability of structure, the matching relationship of certain sub- lid 1 and overcoat 4
More than that, other are fixedly connected with the brass instrument rotary valve that mode is also applied for the present embodiment.
It is used to connect provided with multiple through holes 401 being engaged with the recess 301 of valve element 3, i.e. recess 301 in the side wall of overcoat 4
Lead to two or more through holes 401, in the present embodiment, the quantity of through hole 401 is an at least row, and per exhausting hole 401 along overcoat 4
Circumferencial direction lay, through hole 401 is shaped as circle, the form and Position Design of certain through hole more than that, specific root
Stradivarius design requirement is determined.The second axis hole 402 is provided with the bottom wall of overcoat, above-mentioned second bearing 5 is arranged on the second axis hole
In 402, the outer ring of second bearing 5 and the interference fits of the second axis hole 402.The bottom of the lower rotary shaft 303 of the valve element 3 of other the present embodiment
End, which is extended, connection end 3031, and connection end 3031 is connected with stopper arms 6, and the inner ring of second bearing is pressed on valve element by stopper arms
On 3 step, relatively rotated between the inner ring for preventing valve element 3 and second bearing 5.
As described in figures 1 and 5, stopper arms 6 include the stop arm body 601 of column or tubular and installed in stop arm body
The arresting lever 602 of 601 sides, lower rotary shaft 303 has extended downwardly connection end 3031, stop arm body 601 and the phase of connection end 3031
Even, the bottom of overcoat 4 is provided with the auxiliary section with the spacing cooperation of arresting lever, specifically, the auxiliary section of the present embodiment is to set outside
Position-limited rack 8 on the bottom wall of set, position-limited rack is fixed on the bottom wall of overcoat 4 by two trip bolts 10, the left and right of position-limited rack
Provided with two positive stop ends 9, the material of positive stop end 9 is the cork being adapted with arresting lever, and other can abate the noise certainly
Material can also as the positive stop end of the present embodiment can material selection, to prevent from colliding in the arresting lever 602 with stopper arms
When produce noise, and disturb the sounding of musical instrument, naturally it is also possible to be other position limiting structures, such as catch, do not go to live in the household of one's in-laws on getting married excessively here
State, as long as the rotational angle and scope of stopper arms 6 can be limited.
As it can be seen in figures 5 and 6, the stop arm body 601 of the present embodiment is pressed on the inner ring of second bearing by screw 7, its
Side is provided with vertically arranged engaging lug 603, and arresting lever 602 is arranged on engaging lug 603, and with stop arm body 601
It is arranged in an axially parallel mode, so when valve element 3 drives stop arm body 601 to rotate, the movement locus of arresting lever 602 is annular, just
In design position limiting structure.
Specifically, the clutch shaft bearing 2 of the present embodiment, second bearing 5 are rolling bearing or sliding bearing, it is certainly described here
Bearing be that can support mechanical rotary body, reduce the coefficient of friction in its motion process, and ensure the structure of its rotating accuracy,
As long as above-mentioned functions requirement is disclosure satisfy that, within protection scope of the present invention.
Favourable, the clutch shaft bearing 2 of the present embodiment and the material of second bearing 5 are to include axle of the surface by cure process
Steel is held, it has stronger wearability, service life is extremely long, and there is lubricating grease to ensure lubrication, therefore life is also not present in bearing
The problem of becoming rusty stuck.
In addition, the present embodiment additionally provides a kind of musical instrument for applying above-mentioned rotary valve, the musical instrument can be trumpet, trombone, greatly
Number, tenor horn, on all brass instruments such as euphonium.The basic structure of rotary valve used in different brass instruments is consistent,
Simply it is slightly different in size and the laying mode of through hole and recess.
In summary, the brass instrument rotary valve and brass instrument for the use bearing that the present embodiment is provided have following beneficial effect
Really：
1st, simple production process.It need to only be ensured in turnery processing part by clamped one time between the crucial face of cylinder
Axiality relation is that can guarantee that perfect fiting effect between part, and valve element, rotating shaft, sub- lid through hole, overcoat through hole etc. are in this hair
It is the face of cylinder in bright, it is not necessary to the precision-fit between part is realized by fine gtinding, reduces assembly difficulty, simplifies
Production procedure；
3rd, oil filler point is specially devised on valve element, the lubrication of valve element is convenient for, prevent musical instrument special lube from diluting,
Dissolve bearing grease；
4th, due to valve element and son lid and overcoat and it is not directly contacted with, is not in valve element and Zi Gai, the dead problem of rust of overcoat.
The material that bearing is used is bearing steel, and has lubricating grease to ensure lubrication, therefore the problem of getting rusty stuck is also not present in bearing.
5th, rotary valve spool and Zi Gai, overcoat and it is not directly contacted with, in the absence of wear problem.The bearing steel that bearing is used is wear-resisting
Property is much better than valve element, overcoat, brass material used in sub- lid, and passes through Surface hardening treatment, therefore bearing is in brass instrument
The life-span is extremely long in the application scenario of this extremely low intensity load, and therefore the life-span of brass instrument is significantly extended.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than indicate or imply that the device or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more, unless separately
There is clearly specific limit.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of brass instrument rotary valve of use bearing, it is characterised in that including：
Son lid, its interior is provided with the first axis hole, the axis hole is provided with clutch shaft bearing；
Valve element with multiple recesses, its upper end is connected with the lid, the two ends of the valve element be respectively equipped with rotating shaft and
Lower rotary shaft, the upper rotating shaft is connected with the clutch shaft bearing；
Overcoat, the valve element is placed in the overcoat, and the top of the overcoat is connected with the sub- lid, the side wall of the overcoat
Provided with multiple through holes being engaged with the recess, the bottom wall of the overcoat is provided with the second axis hole；
Second bearing, it is arranged in second axis hole and is connected with the lower rotary shaft of the valve element；
Stopper arms, its be connected with the valve element bottom and the spacing valve element slewing area.
2. the brass instrument rotary valve of use bearing according to claim 1, it is characterised in that the top of the upper rotating shaft is set
There is oil filler point, the top of the valve element is provided with the oil outlet being connected with the oil filler point.
3. the brass instrument rotary valve of use bearing according to claim 1, it is characterised in that the recess is at least a row
And often the quantity of row's recess is that the quantity of the through hole is an at least row, and often arranging along valve element circumferentially distributed one or more
Circumferencial direction of the through hole along the overcoat is laid.
4. the brass instrument rotary valve of use bearing according to claim 1, it is characterised in that the lower rotary shaft is extended downwardly
There is connection end, the stop arm body is socketed on the connection end, and stopper arms are compressed close to one end of the second bearing
The second bearing, the stopper arms include stop arm body and the stop installed in stop arm body side of column or tubular
Bar, the jacket bottom is provided with the auxiliary section with the spacing cooperation of the arresting lever.
5. the brass instrument rotary valve of use bearing according to claim 4, it is characterised in that the auxiliary section is to be arranged on
Position-limited rack on the bottom wall of the overcoat, the left and right sides of the position-limited rack is provided with the first positive stop end and the second positive stop end.
6. the brass instrument rotary valve of use bearing according to claim 4, it is characterised in that the one of the stop arm body
Side is welded with the engaging lug perpendicular to axis, and the arresting lever is welded on the engaging lug, and with the stop arm body
It is arranged in an axially parallel mode.
7. the brass instrument rotary valve of the use bearing according to claim any one of 1-6, it is characterised in that the first axle
Hold, second bearing is rolling bearing or sliding bearing.
8. the brass instrument rotary valve of the use bearing according to claim any one of 1-6, it is characterised in that the first axle
Hold and/or the material of second bearing includes bearing steel of the surface by cure process.
9. the brass instrument rotary valve of the use bearing according to claim any one of 1-6, it is characterised in that the sub- lid with
The overcoat interference fit.
10. a kind of brass instrument, it is characterised in that include the music for or played by a brass band of the use bearing as described in claim any one of 1-9
Device rotary valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536956.7A CN107218412A (en) | 2017-07-04 | 2017-07-04 | The brass instrument rotary valve and brass instrument of a kind of use bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710536956.7A CN107218412A (en) | 2017-07-04 | 2017-07-04 | The brass instrument rotary valve and brass instrument of a kind of use bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218412A true CN107218412A (en) | 2017-09-29 |
Family
ID=59951849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710536956.7A Pending CN107218412A (en) | 2017-07-04 | 2017-07-04 | The brass instrument rotary valve and brass instrument of a kind of use bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN107218412A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676250A (en) * | 2017-10-29 | 2018-02-09 | 南京润泽流体控制设备有限公司 | Reciprocating syringe pump |
| CN108962197A (en) * | 2018-07-02 | 2018-12-07 | 程楠 | string regulating device |
| DE102021109742A1 (en) | 2021-04-19 | 2022-10-20 | Audi Aktiengesellschaft | Central valve device with connection grid and rotatable adjusting element for a cooling system of a motor vehicle and electric vehicle with such a cooling system |
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| DE202006008088U1 (en) * | 2006-05-18 | 2007-09-27 | Zirnbauer, Bernhard | Valve for a brass instrument |
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| CN207049370U (en) * | 2017-07-04 | 2018-02-27 | 胡大为 | A kind of brass instrument rotary valve and brass instrument using bearing |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107676250A (en) * | 2017-10-29 | 2018-02-09 | 南京润泽流体控制设备有限公司 | Reciprocating syringe pump |
| CN107676250B (en) * | 2017-10-29 | 2024-03-15 | 南京润泽流体控制设备有限公司 | Reciprocating injection pump |
| CN108962197A (en) * | 2018-07-02 | 2018-12-07 | 程楠 | string regulating device |
| CN108962197B (en) * | 2018-07-02 | 2024-03-29 | 程楠 | String adjusting device |
| DE102021109742A1 (en) | 2021-04-19 | 2022-10-20 | Audi Aktiengesellschaft | Central valve device with connection grid and rotatable adjusting element for a cooling system of a motor vehicle and electric vehicle with such a cooling system |
| DE102021109742B4 (en) | 2021-04-19 | 2023-10-26 | Audi Aktiengesellschaft | Central valve device with connection grid and rotatable adjustment element for a cooling system of a motor vehicle and electric vehicle with such a cooling system |
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