CN204436923U - A kind of mechanical throttle - Google Patents
A kind of mechanical throttle Download PDFInfo
- Publication number
- CN204436923U CN204436923U CN201520082742.3U CN201520082742U CN204436923U CN 204436923 U CN204436923 U CN 204436923U CN 201520082742 U CN201520082742 U CN 201520082742U CN 204436923 U CN204436923 U CN 204436923U
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- CN
- China
- Prior art keywords
- spool
- oil outlet
- valve body
- restriction
- spring
- 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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Abstract
The utility model belongs to hydrovalve technical field, especially relates to a kind of mechanical throttle.This mechanical throttle, comprise valve body, it is characterized in that, described valve body has the upper oil outlet in distributing up and down and lower oil outlet, described upper oil outlet is connected with filler opening by valve body chamber with lower oil outlet, spool is slidably connected in described valve body chamber, described valve body cavity wall is provided with the throttle block between upper oil outlet and lower oil outlet, described throttle block upper end can form upper restriction with spool and upper restriction is connected with upper oil outlet, and lower end can form lower restriction with spool and lower restriction is connected with lower oil outlet.The utility model has the advantage of: when the bottom of spool is in throttle block upper end, the size that spool changes upper restriction can be moved axially, when the bottom of spool is in throttle block lower end, the size that spool changes lower restriction can be moved axially, control the flow of fluid in different path by throttling, global design is reasonable.
Description
Technical field
The utility model belongs to hydrovalve technical field, especially relates to a kind of mechanical throttle.
Background technique
Throttle valve is by changing throttling cross section or chock length to control the valve of fluid flow.Mostly throttle valve of the prior art is an oil outlet, and does not control the flow of fluid in different path by throttling, and global design is reasonable not enough.
In order to improve prior art, people have carried out long-term exploration, propose various solution.Such as, Chinese patent literature discloses a kind of mechanical throttle [application number: CN201210367134.8], valve pocket is provided with in valve body, the rear end of valve body is provided with the bonnet of valve pocket back-end sealing, guiding valve is movably set with in valve pocket, be sealed and matched between the outer wall of guiding valve and valve pocket inwall, front oil groove and rear oil groove is provided with in the outer wall of guiding valve, the cross section of front oil groove reduces from front to back gradually, the cross section of rear oil groove expands from front to back gradually, oil circuit is provided with in guiding valve, the front end of oil circuit is connected with front oil groove, the ear end face of guiding valve is run through in the rear end of oil circuit, oil input channel and lower oil input channel is provided with in valve body, upper back oil road and lower back oil road, upper oil input channel and lower oil input channel, upper back oil road is all connected with valve pocket inside with lower back oil road.
Although such scheme to some extent solves the deficiencies in the prior art, still do not control the flow of fluid in different path by throttling, global design is reasonable not enough.
Model utility content
The purpose of this utility model is for the problems referred to above, and provide a kind of reasonable in design, structure is simple, can control the mechanical throttle of fluid flow in different path.
For achieving the above object, the utility model have employed following technical proposal: this mechanical throttle, comprise valve body, it is characterized in that, described valve body has the upper oil outlet in distributing up and down and lower oil outlet, described upper oil outlet is connected with filler opening by valve body chamber with lower oil outlet, spool is slidably connected in described valve body chamber, described valve body cavity wall is provided with the throttle block between upper oil outlet and lower oil outlet, described throttle block upper end can form upper restriction with spool and upper restriction is connected with upper oil outlet, lower end can form lower restriction with spool and lower restriction is connected with lower oil outlet.When the bottom of spool is in throttle block upper end, the size that spool changes upper restriction can be moved axially, when the bottom of spool is in throttle block lower end, the size that spool changes lower restriction can be moved axially, control the flow of fluid in different path by throttling, global design is reasonable.
In above-mentioned mechanical throttle, described spool upper end is provided with adjustable lever, and described adjustable lever is connected with valve body screw thread, and described adjustable lever upper end is provided with rotation hand wheel.Rotate rotation hand wheel and can realize moving axially of adjustable lever, indirect belt movable valve plug moves axially.
In above-mentioned mechanical throttle, spring chamber is had in described spool, be provided with spring in described spring chamber and spool is resisted against on adjustable lever under the action of the spring, described spring one end is connected with spring chamber upper wall, and the other end is connected with bottom, valve body chamber.Spring has pretightening force upwards to spool.
In above-mentioned mechanical throttle, described spool inwall is provided with the fixed lobe for axial restraint spring, and described fixed lobe inserts in the gap of spring.Be beneficial to fixing between spring and spool, be beneficial to stabilized structure.
In above-mentioned mechanical throttle, described spool outer wall can fit with the sidewall of throttle block, and the two ends of described throttle block are respectively equipped with the first bevelled edge and the second bevelled edge, and the first described bevelled edge is contrary with the true dip direction of the second bevelled edge.First bevelled edge and the second bevelled edge are beneficial to the flowing of fluid.
In above-mentioned mechanical throttle, described spool lower end sidepiece is provided with the 3rd bevelled edge paralleled with the first bevelled edge.Form upper restriction between first bevelled edge and the 3rd bevelled edge, be beneficial to the flowing of fluid.
Compared with prior art, the advantage of this mechanical throttle is: first, when the bottom of spool is in throttle block upper end, the size that spool changes upper restriction can be moved axially, when the bottom of spool is in throttle block lower end, can move axially the size that spool changes lower restriction, control the flow of fluid in different path by throttling, global design is reasonable.The second, rotate rotation hand wheel and can realize moving axially of adjustable lever, indirect belt movable valve plug moves axially, simple to operate, easy to use.3rd, spring has pretightening force upwards to spool.Fixed lobe inserts in the gap of spring, is beneficial to fixing between spring and spool, is beneficial to stabilized structure.4th, the first bevelled edge and the second bevelled edge are beneficial to the flowing of fluid.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the partial enlarged drawing that the utility model provides.
In figure, valve body 1, upper oil outlet 2, lower oil outlet 3, valve body chamber 4, filler opening 5, spool 6, throttle block 7, upper restriction 8, adjustable lever 9, rotation hand wheel 10, spring chamber 11, spring 12, fixed lobe 13, first bevelled edge 14, second bevelled edge 15, the 3rd bevelled edge 16.
Embodiment
Embodiment 1
As shown in Figure 1-2, this mechanical throttle comprises valve body 1, valve body 1 has the upper oil outlet 2 in distributing up and down and lower oil outlet 3, upper oil outlet 2 is connected with filler opening 5 by valve body chamber 4 with lower oil outlet 3, spool 6 is slidably connected in valve body chamber 4, valve body chamber 4 inwall is provided with the throttle block 7 between upper oil outlet 2 and lower oil outlet 3, throttle block 7 upper end can form restriction 8 with spool 6 and upper restriction 8 is connected with upper oil outlet 2, and lower end can form lower restriction with spool 6 and lower restriction is connected with lower oil outlet 3.When the bottom of spool 6 is in throttle block 7 upper end, the size that spool 6 changes upper restriction 8 can be moved axially, when the bottom of spool 6 is in throttle block 7 lower end, the size that spool 6 changes lower restriction can be moved axially, control the flow of fluid in different path by throttling, global design is reasonable.
Wherein, spool 6 upper end is provided with adjustable lever 9, and adjustable lever 9 is threaded with valve body 1, and adjustable lever 9 upper end is provided with rotation hand wheel 10, and rotate rotation hand wheel 10 and can realize moving axially of adjustable lever 9, indirect belt movable valve plug 6 moves axially.Spring chamber 11 is had in spool 6, spring 12 is provided with and spool 6 is resisted against on adjustable lever 9 under the effect of spring 12 in spring chamber, spring 12 one end is connected with spring chamber 11 upper wall, and the other end is connected with bottom, valve body chamber 4, and spring 12 pairs of spools 6 have pretightening force upwards.Improve as one, spool 6 inwall is provided with the fixed lobe 13 for axial restraint spring 12, and fixed lobe 13 inserts in the gap of spring 12, is beneficial to fixing between spring 12 and spool 6, is beneficial to stabilized structure.Spool 6 outer wall can fit with the sidewall of throttle block 7, the two ends of throttle block 7 are respectively equipped with the first bevelled edge 14 and the second bevelled edge 15, the true dip direction of the first bevelled edge 14 and the second bevelled edge 15 is contrary, and the first bevelled edge 14 and the second bevelled edge 15 are beneficial to the flowing of fluid.Spool 6 lower end sidepiece is provided with forming between the 3rd bevelled edge 16, first bevelled edge 14 and the 3rd bevelled edge 16 of paralleling with the first bevelled edge 14 and goes up restriction 8, is beneficial to the flowing of fluid.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as valve body 1, upper oil outlet 2, lower oil outlet 3, valve body chamber 4, filler opening 5, spool 6, throttle block 7, upper restriction 8, adjustable lever 9, rotation hand wheel 10, spring chamber 11, spring 12, fixed lobe 13, first bevelled edge 14, second bevelled edge 15, the 3rd bevelled edge 16 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. a mechanical throttle, comprise valve body (1), it is characterized in that, described valve body (1) has the upper oil outlet (2) in distributing up and down and lower oil outlet (3), described upper oil outlet (2) is connected with filler opening (5) by valve body chamber (4) with lower oil outlet (3), spool (6) is slidably connected in described valve body chamber (4), described valve body chamber (4) inwall is provided with the throttle block (7) be positioned between oil outlet (2) and lower oil outlet (3), described throttle block (7) upper end can with restriction (8) in spool (6) formation and upper restriction (8) be connected with upper oil outlet (2), lower end can form lower restriction with spool (6) and lower restriction is connected with lower oil outlet (3).
2. mechanical throttle according to claim 1, it is characterized in that, described spool (6) upper end is provided with adjustable lever (9), described adjustable lever (9) is threaded with valve body (1), and described adjustable lever (9) upper end is provided with rotation hand wheel (10).
3. mechanical throttle according to claim 2, it is characterized in that, spring chamber (11) is had in described spool (6), spring (12) is provided with and spool (6) is resisted against on adjustable lever (9) under the effect of spring (12) in described spring chamber, described spring (12) one end is connected with spring chamber (11) upper wall, and the other end is connected with valve body chamber (4) bottom.
4. mechanical throttle according to claim 3, it is characterized in that, described spool (6) inwall is provided with the fixed lobe (13) for axial restraint spring (12), and described fixed lobe (13) inserts in the gap of spring (12).
5. mechanical throttle according to claim 4, it is characterized in that, described spool (6) outer wall can fit with the sidewall of throttle block (7), the two ends of described throttle block (7) are respectively equipped with the first bevelled edge (14) and the second bevelled edge (15), and described the first bevelled edge (14) is contrary with the true dip direction of the second bevelled edge (15).
6. mechanical throttle according to claim 5, is characterized in that, described spool (6) lower end sidepiece is provided with the 3rd bevelled edge (16) paralleled with the first bevelled edge (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082742.3U CN204436923U (en) | 2015-01-31 | 2015-01-31 | A kind of mechanical throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082742.3U CN204436923U (en) | 2015-01-31 | 2015-01-31 | A kind of mechanical throttle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436923U true CN204436923U (en) | 2015-07-01 |
Family
ID=53604796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520082742.3U Expired - Fee Related CN204436923U (en) | 2015-01-31 | 2015-01-31 | A kind of mechanical throttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218262A (en) * | 2017-06-06 | 2017-09-29 | 北京航天发射技术研究所 | A kind of machine liquid throttle grverning control valve |
| WO2021012751A1 (en) * | 2019-07-22 | 2021-01-28 | 浙江盾安人工环境股份有限公司 | Throttle valve |
-
2015
- 2015-01-31 CN CN201520082742.3U patent/CN204436923U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218262A (en) * | 2017-06-06 | 2017-09-29 | 北京航天发射技术研究所 | A kind of machine liquid throttle grverning control valve |
| CN107218262B (en) * | 2017-06-06 | 2019-01-25 | 北京航天发射技术研究所 | A kind of machine liquid throttle grverning control valve |
| WO2021012751A1 (en) * | 2019-07-22 | 2021-01-28 | 浙江盾安人工环境股份有限公司 | Throttle valve |
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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: 20150701 Termination date: 20160131 |
|
| EXPY | Termination of patent right or utility model |