CN211951553U - Track oiler check valve - Google Patents
Track oiler check valve Download PDFInfo
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- CN211951553U CN211951553U CN202020189901.0U CN202020189901U CN211951553U CN 211951553 U CN211951553 U CN 211951553U CN 202020189901 U CN202020189901 U CN 202020189901U CN 211951553 U CN211951553 U CN 211951553U
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Abstract
The utility model relates to a track oiler technical field, concretely relates to track oiler check valve. Comprises a valve plug, a spring, a steel ball, a valve rod and a quick-screwing threaded pipe joint; one end of the inner cavity of the valve rod is provided with a first threaded hole matched with the valve plug, the other end of the inner cavity of the valve rod is provided with a second threaded hole matched with the quick-screwing threaded pipe joint, and the first threaded hole is communicated with the second threaded hole through a small round hole; the steel ball is placed on the end face of the first threaded hole and is positioned below the small round hole, one end of the spring is connected with the steel ball, and the other end of the spring is connected with the valve plug; one end of the valve plug is connected with the valve rod through threads, and the other end of the valve plug is connected with the oiling wheel through threads; one end of the quick-screwing threaded pipe joint is connected with the valve rod through threads, and the other end of the quick-screwing threaded pipe joint is connected with the oil tank through an oil conveying pipe. The check valve is fixed firmly, and the during operation can not produce and rock, avoids the emergence of oil seepage phenomenon, and the accurate control of being convenient for scribbles the oil mass.
Description
Technical Field
The utility model relates to a track oiler technical field, concretely relates to track oiler check valve.
Background
The vehicle continuously rubs with the track in the operation process, and the maintenance is not often performed with oil, so that the abrasion of the wheels of the cart and the track of the overhead traveling crane can be caused, and the service life is influenced. The rail oiler comprises a pair of oil coating wheels and an oil supply system, wherein the oil supply system comprises an oil pump and an oil tank, the oil pump conveys oil in the oil tank to the oil coating wheels through an oil conveying pipe, the number of the oil pumps is two, and each oil pump supplies oil for one oil coating wheel.
The existing oil delivery pipe of the rail oiler is not provided with a one-way valve generally, and has the following defects: 1. when the device does not work, lubricating oil of the oil pump easily flows into the oil coating wheel by gravity, and the oil seepage phenomenon occurs; 2. the oil return phenomenon is easy to occur, and the precise control of the oil coating amount cannot be ensured. Even if the check valve is arranged, the existing check valve is connected with the shaft of the oil coating wheel through a rubber pipe, the check valve is not easy to fix, and the oil coating wheel can shake during operation.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a track oiler check valve. The check valve is fixed firmly, and the during operation can not produce and rock, avoids the emergence of oil seepage phenomenon, and the accurate control of being convenient for scribbles the oil mass.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a track oiler one-way valve comprises a valve plug, a spring, a steel ball, a valve rod and a quick-screwing threaded pipe joint; one end of the inner cavity of the valve rod is provided with a first threaded hole matched with the valve plug, the other end of the inner cavity of the valve rod is provided with a second threaded hole matched with the quick-screwing threaded pipe joint, and the first threaded hole is communicated with the second threaded hole through a small round hole; the steel ball is placed on the end face of the first threaded hole and is positioned below the small round hole, one end of the spring is connected with the steel ball, and the other end of the spring is connected with the valve plug; one end of the valve plug is connected with the valve rod through threads, and the other end of the valve plug is connected with the oiling wheel through threads; one end of the quick-screwing threaded pipe joint is connected with the valve rod through threads, and the other end of the quick-screwing threaded pipe joint is connected with the oil tank through an oil conveying pipe.
The valve plug is characterized in that one end of the valve plug is provided with an external thread matched with the oiling wheel, the other end of the valve plug is provided with an external thread matched with the first threaded hole in the inner cavity of the valve rod, and the middle of the valve plug is provided with a through hole.
And a sealing groove is formed in the end part of the first threaded hole in the inner cavity of the valve rod.
The sealing device also comprises an O-shaped sealing ring, and the O-shaped sealing ring is arranged in the sealing groove.
The oil-proof sealing ring is arranged between the steel ball and the end face of the first threaded hole.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the one-way valve plug is provided with an external thread matched with the oiling wheel, and the valve plug is connected with the oiling wheel through a thread; the check valve is fixed firmly, and can not rock during operation.
2. One end of the check valve is connected with the oiling wheel, the other end of the check valve is connected with the oil tank through an oil delivery pipe, a steel ball and a spring are arranged in an inner cavity, and lubricating oil can flow into the oiling wheel under the pressure of the oil pump and against the elastic force of the spring only when in work; the lubricating oil of the oil pump is prevented from automatically flowing into the oil coating wheel under the action of gravity when the oil pump does not work, and the oil seepage phenomenon is avoided; meanwhile, oil return is prevented, and the precise control of the oil coating amount is ensured.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the valve plug structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the valve stem structure of the present invention;
fig. 5 is an installation schematic diagram of the present invention.
In the figure: 1-valve plug 2-spring 3-steel ball 4-valve rod 5-quick screwing thread pipe joint 6-oil-proof sealing ring 7-O-shaped sealing ring 8-first external thread 9-second external thread 10-through hole 11-first threaded hole 12-second threaded hole 13-small circular hole 14-sealing groove 15-oiling wheel 16-oil delivery pipe 17-oil tank
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and 2, the one-way valve of the rail oiler comprises a valve plug 1, a spring 2, a steel ball 3, a valve rod 4, a quick-screwing threaded pipe joint 5, an oil-resistant sealing ring 6 and an O-shaped sealing ring 7. The oil-proof seal ring 6 is a fluorine rubber seal ring.
As shown in figure 3, one end of the valve plug 1 is provided with a first external thread 8 matched with the oiling wheel 15, the other end of the valve plug 1 is provided with a second external thread 9 matched with a first threaded hole 11 in the inner cavity of the valve rod 4, and the middle part of the valve plug is provided with a through hole 10.
As shown in FIG. 4, one end of the inner cavity of the valve rod 4 is provided with a first threaded hole 11 matched with the valve plug 1, the other end of the inner cavity of the valve rod is provided with a second threaded hole 12 matched with the quick-screwing threaded pipe joint 5, and the first threaded hole 11 is communicated with the second threaded hole 12 through a small round hole 13. The end of the first threaded hole 11 is provided with a sealing groove 14.
As shown in fig. 1 and 5, the oil-resistant seal ring 6 is installed on the end surface of the first threaded hole 11, the steel ball 3 is placed on the oil-resistant seal ring 6 and is located below the small round hole 13, one end of the spring 2 is connected with the steel ball 3 to abut against the steel ball 3, the steel ball 3 blocks the small round hole 13 under the elastic force of the spring 2, and the other end of the spring 2 is connected with the valve plug 1.
The O-shaped sealing ring 7 is arranged in the sealing groove 14, one end of the valve plug 1 is connected with the valve rod 4 through threads, and the O-shaped sealing ring 7 is positioned between the two end faces of the valve plug 1 and the valve rod 4 to play a role in sealing. The other end of the valve plug 1 is connected with the oiling wheel 15 through threads, so that the one-way valve is firmly fixed on the oiling wheel 15. One end of the quick-screwing threaded pipe joint 5 is connected with the valve rod 4 through threads, and the other end of the quick-screwing threaded pipe joint 5 is connected with an oil tank 17 through an oil conveying pipe 16.
The utility model discloses valve plug 1 links to each other through the screw thread with fat liquoring wheel 15, and the check valve is fixed firm, and the during operation can not produce and rock.
The utility model plugs the oil transportation channel by the steel ball 3 under the elastic force of the spring 2, and the lubricating oil can overcome the elastic force of the spring 2 under the pressure of the oil pump only when working, and the steel ball 3 is pushed open to flow into the oil coating wheel 15; the lubricating oil of the oil pump is prevented from automatically flowing into the oil coating wheel 15 under the action of gravity when the oil pump does not work, and the oil seepage phenomenon is avoided; meanwhile, oil return is prevented, and the precise control of the oil coating amount is ensured.
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.
Claims (5)
1. The utility model provides a track baster check valve which characterized in that: comprises a valve plug, a spring, a steel ball, a valve rod and a quick-screwing threaded pipe joint; one end of the inner cavity of the valve rod is provided with a first threaded hole matched with the valve plug, the other end of the inner cavity of the valve rod is provided with a second threaded hole matched with the quick-screwing threaded pipe joint, and the first threaded hole is communicated with the second threaded hole through a small round hole; the steel ball is placed on the end face of the first threaded hole and is positioned below the small round hole, one end of the spring is connected with the steel ball, and the other end of the spring is connected with the valve plug; one end of the valve plug is connected with the valve rod through threads, and the other end of the valve plug is connected with the oiling wheel through threads; one end of the quick-screwing threaded pipe joint is connected with the valve rod through threads, and the other end of the quick-screwing threaded pipe joint is connected with the oil tank through an oil conveying pipe.
2. The track oiler check valve of claim 1, wherein: the valve plug is characterized in that one end of the valve plug is provided with an external thread matched with the oiling wheel, the other end of the valve plug is provided with an external thread matched with the first threaded hole in the inner cavity of the valve rod, and the middle of the valve plug is provided with a through hole.
3. The track oiler check valve of claim 1, wherein: and a sealing groove is formed in the end part of the first threaded hole in the inner cavity of the valve rod.
4. A track oiler check valve as claimed in claim 3, wherein: the sealing device also comprises an O-shaped sealing ring, and the O-shaped sealing ring is arranged in the sealing groove.
5. The track oiler check valve of claim 1, wherein: the oil-proof sealing ring is arranged between the steel ball and the end face of the first threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020189901.0U CN211951553U (en) | 2020-02-20 | 2020-02-20 | Track oiler check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020189901.0U CN211951553U (en) | 2020-02-20 | 2020-02-20 | Track oiler check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211951553U true CN211951553U (en) | 2020-11-17 |
Family
ID=73195693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020189901.0U Active CN211951553U (en) | 2020-02-20 | 2020-02-20 | Track oiler check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211951553U (en) |
-
2020
- 2020-02-20 CN CN202020189901.0U patent/CN211951553U/en active Active
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