CN203718058U - Visible oil return check valve - Google Patents
Visible oil return check valve Download PDFInfo
- Publication number
- CN203718058U CN203718058U CN201420084006.7U CN201420084006U CN203718058U CN 203718058 U CN203718058 U CN 203718058U CN 201420084006 U CN201420084006 U CN 201420084006U CN 203718058 U CN203718058 U CN 203718058U
- Authority
- CN
- China
- Prior art keywords
- valve body
- blind hole
- oil sealing
- return check
- check valve
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a visible oil return check valve. The visible oil return check valve comprises a valve body, wherein the valve body comprises a first blind hole and a second blind hole; a counterbore part and a small hole part are arranged inside the first blind hole; an internal thread is arranged at the upper end of the counterbore part; a regulating screw is in threaded connection with the upper end of the valve body; a spring is fixedly connected with the lower end of the regulating screw; a ball is fixedly connected with the lower end of the springs; a transparent oil sealing jacket is arranged on the outer part of the valve body; a clamp spring is clamped on the valve body at the lower end of the oil sealing jacket; an O-shaped sealing ring is arranged between the oil sealing jacket and the valve body; a cavity is formed between the oil sealing jacket and the valve body; two through holes communicated with the small hole part in the first blind hole and the second blind hole respectively are formed in the valve body; the two through holes are communicated with the cavity between the oil sealing jacket and the valve body. After application of the visible oil return check valve, a user can observe the oil return condition in the oil return check valve, so that convenience is brought to maintenance of an air compressor.
Description
Technical field
The utility model belongs to air compressor accessory technical field, particularly the visual return check valve of the one on air compressor.
Background technique
Air compressor is a kind of general machinery, in more equipment as supporting application.
Return check valve in existing air compressor is common one-way valve, and it can not be observed, and in work, does not know that whether it is in normal working, causes the inconvenience of air compressor maintenance.
Model utility content
In order to overcome the deficiency of above-mentioned technology, the purpose of this utility model is to provide a kind of novel visual return check valve.
The technological scheme that the utility model is taked for its technical problem of solution is:
A kind of visual return check valve, comprise valve body, be provided with the first blind hole in described valve body upper end, be provided with the second blind hole in valve body lower end, in the first described blind hole, be provided with counterbore part and little bore portion, the counterbore part upper end of the first blind hole is provided with internal thread, an adjusting screw has been threaded in valve body upper end, adjusting screw lower end is connected with spring, the affixed spheroid in lower end of spring, be provided with transparent oil sealing overcoat in valve body outside, on the valve body of the lower end of described oil sealing overcoat, be connected with a jump ring, between described oil sealing overcoat and valve body, be provided with O RunddichtringO, between oil sealing overcoat and valve body, be formed with a cavity, on valve body, be provided with two through holes that are communicated with little bore portion in described the first blind hole and the second blind hole respectively, and two through hole all with oil sealing overcoat and valve body between cavity be communicated with.
The diameter of described little bore portion is less than the diameter of spheroid.
Described center, adjusting screw upper end is inner hexagonal hole groove, and described hole slot bottom is provided with the partially communicating groove of counterbore with described adjusting screw lower end, and the center line of described groove and described adjusting screw is miter angle.
The beneficial effects of the utility model: the utility model compared with prior art structure is simpler, adopt visual return check valve of the present utility model to make the oil return situation in user's Observable return check valve, have brought convenience to the maintenance of air compressor.
Brief description of the drawings
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model.
Fig. 2 is overall structure schematic diagram of the present utility model.
Embodiment
In order to make the utility model be convenient to understand, below in conjunction with accompanying drawing, the utility model is described in further detail.
The visual return check valve of one as depicted in figs. 1 and 2, it should be noted that, comprise valve body 1, be provided with the first blind hole in described valve body 1 upper end, be provided with the second blind hole 8 in valve body 1 lower end, in the first described blind hole, be provided with counterbore part 9 and aperture part 10, counterbore part 9 upper ends of the first blind hole are provided with internal thread, an adjusting screw 2 has been threaded in valve body 1 upper end, adjusting screw 2 lower ends are connected with spring 6, the affixed spheroid 5 in lower end of spring 6, be provided with transparent oil sealing overcoat 3 in valve body 1 outside, on the valve body 1 of the lower end of described oil sealing overcoat 3, be connected with a jump ring 7, between described oil sealing overcoat 3 and valve body 1, be provided with O RunddichtringO 4, between oil sealing overcoat 3 and valve body 1, be formed with a cavity, on valve body 1, be provided with two through holes 11 that are communicated with aperture part 10 in described the first blind hole and the second blind hole 8 respectively, and two through hole 11 all with oil sealing overcoat 3 and valve body 1 between cavity be communicated with.The diameter of described little bore portion is less than the diameter of spheroid.
Further it should be noted that, described adjusting screw 2 centers, upper end are inner hexagonal hole groove 12, described hole slot 12 bottoms are provided with the groove 13 being communicated with the counterbore part 9 of described adjusting screw lower end, and described groove 13 is miter angle with the center line of described adjusting screw 2.
The utility model compared with prior art structure is simpler, adopts visual return check valve of the present utility model to make the oil return situation in user's Observable return check valve, has brought convenience to the maintenance of air compressor.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope, those ordinary skill in the art's simple change and replacement are all within protection domain of the present utility model.
Claims (3)
1. a visual return check valve, it is characterized in that: comprise valve body, be provided with the first blind hole in described valve body upper end, be provided with the second blind hole in valve body lower end, in the first described blind hole, be provided with counterbore part and little bore portion, the counterbore part upper end of the first blind hole is provided with internal thread, an adjusting screw has been threaded in valve body upper end, adjusting screw lower end is connected with spring, the affixed spheroid in lower end of spring, be provided with transparent oil sealing overcoat in valve body outside, on the valve body of the lower end of described oil sealing overcoat, be connected with a jump ring, between described oil sealing overcoat and valve body, be provided with O RunddichtringO, between oil sealing overcoat and valve body, be formed with a cavity, on valve body, be provided with two through holes that are communicated with little bore portion in described the first blind hole and the second blind hole respectively, and two through hole all with oil sealing overcoat and valve body between cavity be communicated with.
2. the visual return check valve of one according to claim 1, is characterized in that: the diameter of described little bore portion is less than the diameter of spheroid.
3. the visual return check valve of one according to claim 1, it is characterized in that: described center, adjusting screw upper end is inner hexagonal hole groove, described hole slot bottom is provided with the partially communicating groove of counterbore with described adjusting screw lower end, and the center line of described groove and described adjusting screw is miter angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084006.7U CN203718058U (en) | 2014-02-25 | 2014-02-25 | Visible oil return check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420084006.7U CN203718058U (en) | 2014-02-25 | 2014-02-25 | Visible oil return check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203718058U true CN203718058U (en) | 2014-07-16 |
Family
ID=51157209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420084006.7U Expired - Fee Related CN203718058U (en) | 2014-02-25 | 2014-02-25 | Visible oil return check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203718058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503220A (en) * | 2020-12-21 | 2021-03-16 | 戴勒普(杭州)流体控制科技有限公司 | Adjustable hydraulic oil compensating valve |
-
2014
- 2014-02-25 CN CN201420084006.7U patent/CN203718058U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503220A (en) * | 2020-12-21 | 2021-03-16 | 戴勒普(杭州)流体控制科技有限公司 | Adjustable hydraulic oil compensating 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: 20140716 Termination date: 20150225 |
|
| EXPY | Termination of patent right or utility model |