CN208886000U - A kind of throttle valve and locomotive sand sprayer - Google Patents
A kind of throttle valve and locomotive sand sprayer Download PDFInfo
- Publication number
- CN208886000U CN208886000U CN201821194726.3U CN201821194726U CN208886000U CN 208886000 U CN208886000 U CN 208886000U CN 201821194726 U CN201821194726 U CN 201821194726U CN 208886000 U CN208886000 U CN 208886000U
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- Prior art keywords
- valve seat
- bonnet
- spool
- throttle valve
- scale
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Abstract
The utility model provides a kind of throttle valve and automobile-used sand sprayer, which includes: valve seat, and valve seat is provided with opposite air inlet and air outlet, the air duct being connected to air inlet is provided in valve seat, slidably connects spool in valve seat；Bonnet is rotatably connected on valve seat, bonnet is connected through a screw thread with spool；And spiral is connected with ripple pearl screw on bonnet, and the card slot with ripple pearl screw cooperation is provided on valve seat；It is provided with scale on spool, graduation mark is provided on scale, and when valve seat was with respect to valve core rotation one week, graduated scale is exposed to the outer scale value of bonnet.Relatively other kinds of throttle valve, it requires to carry out manual locking after the adjustment is completed, and throttle valve is automatically lock, and directly it is provided with gear, without also needing manually to carry out locking operation after adjustment, it is also reduced while simplifying operator's task difficulty and a possibility that maloperation occurs, further improve the reliability and ease for use of entire stucco system.
Description
Technical field
The utility model relates to be throttled to locomotive stucco systems technology field more particularly to a kind of locomotive with sand sprayer
Valve.
Background technique
In the stucco system of locomotive, differential and gravity type sand sprayer sand production rate is all to carry out flow using compressed air
Control.Due to the loss of compressed air line and the offering question of gas source, it is logical to be supplied to the compressed air pressure that sand sprayer uses
Chang Douhui is higher, and (compressed air that locomotive provides is typically all 5kg/cm2), need to be arranged a throttle valve to compressed air
Pressure and flow are adjusted.And there is locking inaccurately in throttle valve in the prior art, inconvenient situation is adjusted, in reality
It is frequently necessary to be repeated in use to adjust to test and can be only achieved ideal state.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of throttle valve.
The utility model is achieved through the following technical solutions:
The utility model provides a kind of throttle valve, comprising: valve seat, the valve seat are provided with opposite air inlet and outlet air
Mouthful, and the air duct being connected to the air inlet is provided in the valve seat, it is slidably connected in the valve seat described for adjusting
The spool of air duct openings of sizes；
Bonnet is rotatably connected on the valve seat, the bonnet is connected through a screw thread with the spool；And on the bonnet
Spiral is connected with ripple pearl screw, and the card slot with ripple pearl screw cooperation is provided on the valve seat；
It is provided with scale on the spool, graduation mark is provided on the scale, and relatively described in the valve seat
At valve core rotation one week, the graduated scale is exposed to the outer scale value of the bonnet.
Preferably, the number of the card slot is four, and four bayonet slot rings are uniformly arranged around the valve seat.
Preferably, the internal diameter in the air duct is 4mm.
Preferably, the angle of the air duct and the air inlet axis is 45 °.
Preferably, it is provided with annular groove on the spool, is set in the annular groove for close with the valve seat
Seal the O-ring seal and polytetrafluoroethylene (PTFE) pad of connection.
A kind of locomotive sand sprayer is additionally provided, which includes throttle valve described in any of the above embodiments.
The beneficial effects of the utility model are: technical problem present in relatively other kinds of throttle valve, that is, require
Manual locking is carried out after the adjustment is completed, and throttle valve provided by the utility model is automatically lock, and is directly provided with shelves
Position, without, again by manually carrying out locking operation, also being reduced while simplifying operator's task difficulty after the completion of adjusting operation
There is a possibility that maloperation, further improves the reliability and ease for use of entire stucco system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of throttle valve provided by the embodiment of the utility model；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A.
Specific embodiment
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present utility model, it can be modified by various different modes described real
Apply example.Therefore, attached drawing and description are considered essentially illustrative rather than restrictive.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected, can also be communication；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature second feature " on ", " side " and " above " include first
Feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature
It under the second feature " below ", " below " and " below " include fisrt feature right above second feature and oblique upper, or only table
Show that first feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
FIG. 1 to FIG. 2 is please referred to, Fig. 1 is the structural schematic diagram of throttle valve provided by the embodiment of the utility model；Fig. 2 is Fig. 1
Cross-sectional view at middle A-A.
The utility model provides the utility model and provides a kind of throttle valve, comprising: valve seat, the valve seat are provided with phase
Pair air inlet 2 and air outlet, and the air duct being connected to the air inlet 2 is provided in the valve seat, sliding in the valve seat
It is connected with the spool 9 for adjusting the air duct openings of sizes；
Bonnet 6 is rotatably connected on the valve seat, the bonnet 6 is connected through a screw thread with the spool 9；And the bonnet
Spiral is connected with ripple pearl screw 7 on 6, and the card slot 4 with the ripple pearl screw 7 cooperation is provided on the valve seat；
It is provided with scale 5 on the spool 9, graduation mark is provided on the scale 5, and in the valve seat with respect to institute
When stating the rotation of spool 9 one week, the graduated scale is exposed to the outer scale value of the bonnet 6.
Preferably, the number of the card slot 4 is four, and four card slots 4 are uniformly arranged around the valve seat.
Preferably, the internal diameter in the air duct is 4mm.
Preferably, the angle of the air duct and 2 axis of air inlet is 45 °.
Preferably, it is provided with annular groove on the spool 9, is set in the annular groove for close with the valve seat
Seal the O-ring seal 3 and polytetrafluoroethylene (PTFE) pad 8 of connection.
In the above-mentioned technical solutions, relatively other kinds of throttle valve requires to carry out manual lock after the adjustment is completed
Tightly, and throttle valve be automatically lock, and directly be provided with gear, without also needing manually to carry out locking operation after adjustment,
It is also reduced while simplifying operator's task difficulty and a possibility that maloperation occurs, further improve entire stucco system
Reliability and ease for use.
In order to facilitate a kind of throttle valve provided by the embodiment of the utility model is understood, below with reference to specific embodiment to it
It is described in detail.
~Fig. 2 is continued to refer to figure 1, the utility model provides a kind of throttle valve, comprising: valve seat, the valve seat are provided with
Opposite air inlet 2 and air outlet, and the air duct being connected to the air inlet 2 is provided in the valve seat, it is sliding in the valve seat
The dynamic spool 9 being connected with for adjusting the air duct openings of sizes；Wherein, air inlet 2 is connected with blast pipe 1, and it is empty to introduce compression
Gas.9 position of spool is come by air duct, it is logical to limit compressed air by the sectional area of the open and close control ducting outlet of spool 9
The flow crossed.By compressed air by air outlet and the discharge pipe 10 that connect with air outlet, later into sand sprayer,
To drive sand sprayer to work.At specifically setting air duct, the internal diameter in the air duct is 4mm.And air duct and 2 axis of air inlet
Angle be 45 °.
In order to improve the sealing effect between spool 9 and valve seat, annular groove, the annular groove are provided on spool 9
Inside it is set with the O-ring seal 3 and polytetrafluoroethylene (PTFE) pad 8 for connecting with the valve base sealing.
Wherein, bonnet 6 is rotatably connected on valve seat, the bonnet 6 is connected through a screw thread with the spool 9；And the valve
Spiral is connected with ripple pearl screw 7 on cap 6, and the card slot 4 with the ripple pearl screw 7 cooperation is provided on the valve seat；And specific
When setting, the number of card slot 4 is four, and four card slots 4 are uniformly arranged around the valve seat, realize automatically lock.
In addition, being provided with scale 5 on spool 9, graduation mark is provided on scale 5, and relatively described in the valve seat
When spool 9 rotates one week, the graduated scale is exposed to the outer scale value of the bonnet 6.It can directly be observed by scale 5
Bonnet 6 has rotated how many circle, so as to calculate the openings of sizes that corresponding spool 9 opens air duct, and then controls air quantity.
It when locomotive needs to adjust stucco amount, directly turns bonnet 6 and is adjusted, to completely enclose for zero span, respectively
The corresponding compressed air require of gear and stucco amount refer to following table.It is TQS1 modified sand sprayer with reference to sand sprayer, sand grains is symbol
Close the dedicated sand of sand sprayer of " TB/T 3254-2011 locomotive, motor-car sander " requirement.
Throttle notch sand amount is to should refer to table
Compressed air source pressure is 5kg/cm2
| Gear | Air pressure (KPa) after valve | Flow (GPM) | With reference to stucco amount (mL) |
| 1 | 0.5 | 106 | 200 |
| 2 | 0.6 | 122 | 300 |
| 3 | 0.9 | 147 | 400 |
| 4 | 1.2 | 181 | 500 |
| 5 | 1.4 | 197 | 600 |
| 6 | 1.6 | 212 | 700 |
| 7 | 1.9 | 242 | 800 |
| 8 | 2.0 | 242 | 900 |
It can be seen from the above description that relatively other kinds of throttle valve, requires to carry out hand after the adjustment is completed
Dynamic locking, and the throttle valve of the utility model is automatically lock, and is directly provided with gear, without also needing people after adjustment
Work carries out locking operation, also reduces while simplifying operator's task difficulty and a possibility that maloperation occurs, further mentions
The high reliability and ease for use of entire stucco system.
The utility model additionally provides a kind of locomotive sand sprayer, which includes section described in any of the above embodiments
Flow valve.Relatively other kinds of throttle valve requires to carry out manual locking after the adjustment is completed, and throttle valve is automatic lock
Tightly, and directly it is provided with gear, without also needing manually to carry out locking operation after adjustment, is simplifying operator's task difficulty
While also reduce and a possibility that maloperation occur, further improve the reliability and ease for use of entire stucco system.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (6)
1. a kind of throttle valve characterized by comprising valve seat, the valve seat are provided with opposite air inlet and air outlet, and institute
The air duct for being provided in valve seat and being connected to the air inlet is stated, is slidably connected in the valve seat for adjusting the air duct opening
The spool of size；
Bonnet is rotatably connected on the valve seat, the bonnet is connected through a screw thread with the spool；And spiral on the bonnet
It is connected with ripple pearl screw, the card slot with ripple pearl screw cooperation is provided on the valve seat；
It is provided with scale on the spool, graduation mark is provided on the scale, and in the relatively described spool of the valve seat
At rotation one week, the scale is exposed to the outer scale value of the bonnet.
2. throttle valve according to claim 1, which is characterized in that the number of the card slot is four, and four bayonet slot rings
It is uniformly arranged around the valve seat.
3. throttle valve according to claim 2, which is characterized in that the internal diameter in the air duct is 4mm.
4. throttle valve according to claim 3, which is characterized in that the air duct and the angle of the air inlet axis are
45°。
5. throttle valve according to claim 4, which is characterized in that be provided with annular groove, the annular on the spool
The O-ring seal and polytetrafluoroethylene (PTFE) pad for connecting with the valve base sealing are set in groove.
6. a kind of locomotive sand sprayer, which is characterized in that including throttle valve as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194726.3U CN208886000U (en) | 2018-07-26 | 2018-07-26 | A kind of throttle valve and locomotive sand sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194726.3U CN208886000U (en) | 2018-07-26 | 2018-07-26 | A kind of throttle valve and locomotive sand sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208886000U true CN208886000U (en) | 2019-05-21 |
Family
ID=66507404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821194726.3U Active CN208886000U (en) | 2018-07-26 | 2018-07-26 | A kind of throttle valve and locomotive sand sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208886000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397785A (en) * | 2019-09-16 | 2019-11-01 | 青岛荣轩达检测服务有限公司 | A kind of fuel gas valve core and the gas valve with the fuel gas valve core |
-
2018
- 2018-07-26 CN CN201821194726.3U patent/CN208886000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397785A (en) * | 2019-09-16 | 2019-11-01 | 青岛荣轩达检测服务有限公司 | A kind of fuel gas valve core and the gas valve with the fuel gas valve core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 412000 Hunan Province, Zhuzhou Shifeng District Tian Xin North Gate Patentee after: Hunan Liancheng Electric Technology Co., Ltd Address before: 412000 Tian Tian Bei gate, Zhuzhou, Hunan Patentee before: ZHUZHOU POWER ENGINE AND MOTOR BUILD AND REPAIR Co.,Ltd. |
|
| CP03 | "change of name, title or address" |