CN209293751U - A kind of bleeder of unidirectional counterflow-preventing - Google Patents
A kind of bleeder of unidirectional counterflow-preventing Download PDFInfo
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- CN209293751U CN209293751U CN201822014857.5U CN201822014857U CN209293751U CN 209293751 U CN209293751 U CN 209293751U CN 201822014857 U CN201822014857 U CN 201822014857U CN 209293751 U CN209293751 U CN 209293751U
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- shell
- pin
- unidirectional
- counterflow
- bleeder
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Abstract
The utility model discloses a kind of bleeders of unidirectional counterflow-preventing, including shell, the interior of shell is equipped with push rod, the interior of shell top is equipped with fixed valve, spool is connected with by compressed spring inside the fixed valve, interior of shell bottom end two sides are mounted on pin, rubber washer is socketed with outside the pin, the housing top end is welded with top connection, the top connection inner wall is equipped with limit plate, the utility model is scientific and reasonable for structure, it is safe and convenient to use, it is provided with push rod, fixed valve and compressed spring, realize unidirectional draining, adverse current occurs for the fluid avoided outside oil pipe, cause overflow and gas blowout accident, using safe, it is provided with pin and rubber washer, solve the problems, such as that pin internal whorl is easy to appear leakage, improve the leakproofness of pin, it is provided with top connection and limit plate, it improves and connects The compactness connected between head and oil well pump, solves the problems, such as that top connection is easy to happen loosening during draining.
Description
Technical field
The utility model relates to oil mining equipment technical field, specially a kind of bleeder of unidirectional counterflow-preventing.
Background technique
Bleeder is to be connected in oil pipe with being formed outside oil pipe, during playing pipe so that the fluid in oil pipe is in pressure
It is flowed freely under effect in the pit shaft outside pipe, prevents tube fluid when operation from polluting ground, the controllable snubbing serving technology of oil well
It can reduce pollution of the well killing fluid to oil reservoir in operation process, improve operating efficiency, reduce operating cost, but existing draining
The fluid that device has when the pressure outside oil pipe is greater than the pressure in oil pipe, outside oil pipe in use will be along bleeder
Channel enters in oil pipe, then may cause overflow or blowout, and the sealing performance of pin is poor, and pin internal whorl is easy
It now leaks, influences draining process, connected between top connection and oil well pump not closely, loosening is easy to happen during draining, is made
At unstable problem is installed, so we are to these situations, to avoid above-mentioned technical problem, it is necessory to provide one kind unidirectionally
The bleeder of counterflow-preventing is to overcome the defect in the prior art.
Utility model content
The purpose of this utility model is to provide a kind of bleeders of unidirectional counterflow-preventing, to solve to mention in above-mentioned background technique
There is the fluid when the pressure outside oil pipe is greater than the pressure in oil pipe, outside oil pipe in use in existing bleeder out
It will enter in oil pipe along bleeder channel, then may cause overflow or blowout, the sealing performance of pin is poor, pin
Internal whorl is easy to appear leakage, influences draining process, connects between top connection and oil well pump not closely, holds during draining
It easily loosens, causes that unstable problem is installed.
To achieve the above object, the utility model provides the following technical solutions: a kind of bleeder of unidirectional counterflow-preventing, including
Shell, the housing bottom are fixedly connected with Telescopic short piece by clip, and the housing tip is welded with top connection, described flexible
Pipe nipple bottom end is welded with lower contact, and the enclosure interior top is equipped with fixed valve, and inner walls two sides top passes through
Fixture nut is equipped with block teeth, and the enclosure interior bottom end is connected with limited block by Telescopic short piece, and the limited block top is logical
It crosses and is threaded with push rod, be fixedly connected between Telescopic short piece two sides bottom end and shell by pin, the fixed valve one
Side offers oil inlet, and the oil inlet side is equipped with spool, and compressed spring, the fixed valve are socketed with outside the spool
The other side offers oil outlet, and the pin top is equipped with circlip by fixture nut, is socketed with rubber outside the pin
Washer, the rubber washer bottom end are socketed with fixed steelring, and the pin bottom end offers breaking groove.
Preferably, top connection inner wall two sides are mounted on limit plate, offer fixation between two limit plates
Slot, the fixing groove side are equipped with block.
Preferably, the shape of tooth is identical as the shape of tooth on block teeth on the limited block.
Preferably, the spool side is socketed with rubber cap.
Preferably, the overall diameter of the push rod is less than the interior diameter of oil outlet.
Preferably, the hull outside is coated with antirust paint, and protecting film is covered with outside antirust paint.
The prior art is compared, the beneficial effects of the utility model are: the utility model is scientific and reasonable for structure, uses secure side
Just:
1, it is provided with limited block, push rod, spool, oil inlet, compressed spring and oil outlet, oily overpressure is greater than outside oil pipe
When pressure, by rising limited block, spool is jacked up by push rod, and is supported by compressed spring, thus will
Fixed valve is opened, and the fluid inside oil pipe is entered by oil inlet and discharged by oil outlet, when oily overpressure is less than oil pipe
When external pressure, under the action of draught head and compressed spring is cooperated to reset spool, so that oil pipe and external environment carry out
Isolation, the fluid avoided outside oil pipe occur adverse current, cause overflow and gas blowout accident, improve safety when device uses.
2, it is provided with pin, circlip, rubber washer, fixed steelring and breaking groove, pin top is carried out by circlip close
Envelope, and compound rubber washer and fixed steelring are sealed the bottom end of pin, are easy to solve pin internal whorl
The problem of now leaking substantially increases the leakproofness of pin, while avoiding pin by breaking groove convenient for cutting to pin
It is unable to normal rupture, influences draining process.
3, it is provided with top connection, limit plate, fixing groove and block, when shell upper end and the oil well pump of bleeder are attached
When, oil well pump bottom end is engaged by the fixing groove between limit plate, while rotating top connection, oil well pump is carried out by block
It is fixed, the compactness connected between top connection and oil well pump is improved, top connection is solved and is easy to happen pine during draining
It is dynamic, unstable problem is installed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of the utility model shell；
Fig. 3 is the schematic diagram of internal structure of the utility model fixed valve；
Fig. 4 is the structural schematic diagram of the utility model pin；
Fig. 5 is the schematic diagram of internal structure of the utility model top connection；
Figure label: 1, shell；2, Telescopic short piece；3, top connection；4, clip；5, lower contact；6, fixed valve；7, block teeth；
8, limited block；9, push rod；10, pin；11, oil inlet；12, spool；13, compressed spring；14, oil outlet；15, circlip；16, rubber
Rubber gasket；17, fixed steelring；18, breaking groove；19, limit plate；20, fixing groove；21, block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution, a kind of bleeder of unidirectional counterflow-preventing, including shell
Body 1 avoids shell 1 from, by corrosion and damage, influencing when long-time is used to improve the Corrosion Protection of shell 1
Oily process extends the actual life of shell 1, and 1 external application of shell has antirust paint, and protection is covered with outside antirust paint
Film, 1 bottom end of shell are fixedly connected with Telescopic short piece 2 by clip 4, and 1 top of shell is welded with top connection 3,2 bottom end of Telescopic short piece
It is welded with lower contact 5,1 inner tip of shell is equipped with fixed valve 6, and 1 inner wall two sides top of shell is installed by fixture nut
There are block teeth 7,1 inner bottom of shell is connected with limited block 8 by Telescopic short piece 2, for the ease of the tooth and block teeth 7 on limited block 8
On tooth be engaged, so that block teeth 7 is bitten limited block 8 and lock, limited block 8 is avoided to loosen in draining, on limited block 8
The shape of tooth is identical as the shape of tooth on block teeth 7, and 8 top of limited block has been connected through a screw thread push rod 9,2 two sides bottom of Telescopic short piece
End is fixedly connected between shell 1 by pin 10, and 6 side of fixed valve offers oil inlet 11, and 11 side of oil inlet is equipped with
Spool 12 avoids external oil body from entering inside shell 1 along oil outlet 14, draws to improve the sealing performance of spool 12
The generation of overflow accident is played, 12 side of spool is socketed with rubber cap, and compressed spring 13 is socketed with outside spool 12, and fixed valve 6 is another
Side offers oil outlet 14, and in order to which push rod 9 can be made to enter to inside fixed valve 6, spool 12 is jacked up, and is convenient for shell
Fluid inside 1 is discharged, and the overall diameter of push rod 9 is less than the interior diameter of oil outlet 14, and 10 top of pin passes through fixture nut
Circlip 15 is installed, rubber washer 16 is socketed with outside pin 10,16 bottom end of rubber washer is socketed with fixed steelring 17, pin 10
Bottom end offers breaking groove 18.
3 inner wall two sides of top connection are mounted on limit plate 19, offer fixing groove 20, fixing groove between two limit plates 19
20 sides are equipped with block 21.
The working principle and process for using of the utility model: during using a kind of bleeder of unidirectional counterflow-preventing,
Firstly, the top connection 3 on 1 top of bleeder shell is attached with oil well pump bottom end, pass through the fixing groove 20 between limit plate 19
Oil well pump bottom end is engaged, while rotating top connection 3, oil well pump is fixed by block 21, improve top connection 3 with
The compactness connected between oil well pump, top connection 3 firmly install, and 1 lower end of shell is by 5 connected pipes of lower contact, when the place of rising takes out
After beam hanger, Telescopic short piece 2 is jacked up, Telescopic short piece 2 under gravity, by breaking groove 18 cuts pin 10, together
When, by rising limited block 8, spool 12 is jacked up by push rod 9, the tooth on the tooth on limited block 8 and block teeth 7 into
Row occlusion is fixed, and is supported by compressed spring 13, so that fixed valve 6 be opened, the fluid inside oil pipe is by oil inlet
Mouth 11 enters and is discharged by oil outlet 14, when oily overpressure is less than oil pipe external pressure, under the action of draught head and cooperates
Compressed spring 13 resets spool 12, so that oil pipe is isolated with external environment, the fluid avoided outside oil pipe occurs
Countercurrently, cause overflow and gas blowout accident, improve safety when device uses.
Finally, being sealed by circlip 15 to 10 top of pin, and compound rubber washer 16 and 17 pairs of fixed steelring pins
The bottom end of nail 10 is sealed, to solve the problems, such as that 10 internal whorl of pin is easy to appear leakage, substantially increases pin
10 sealing performance.
Finally, it should be noted that being not limited to this reality the foregoing is merely the preferred embodiment of the utility model
With novel, although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of bleeder of unidirectional counterflow-preventing, including shell (1), it is characterised in that: shell (1) bottom end passes through clip
(4) it is fixedly connected with Telescopic short piece (2), shell (1) top is welded with top connection (3), Telescopic short piece (2) the bottom end weldering
It is connected to lower contact (5), shell (1) inner tip is equipped with fixed valve (6), and shell (1) the inner wall two sides top is logical
It crosses fixture nut to be equipped with block teeth (7), shell (1) inner bottom is connected with limited block (8), institute by Telescopic short piece (2)
It states limited block (8) top to be connected through a screw thread push rod (9), pass through between Telescopic short piece (2) the two sides bottom end and shell (1)
Pin (10) is fixedly connected, and fixed valve (6) side offers oil inlet (11), and oil inlet (11) side is equipped with valve
Core (12), the spool (12) is external to be socketed with compressed spring (13), and fixed valve (6) other side offers oil outlet
(14), pin (10) top is equipped with circlip (15) by fixture nut, is socketed with rubber pad outside the pin (10)
It encloses (16), rubber washer (16) bottom end is socketed with fixed steelring (17), and pin (10) bottom end offers breaking groove
(18).
2. a kind of bleeder of unidirectional counterflow-preventing according to claim 1, it is characterised in that: top connection (3) inner wall
Two sides are mounted on limit plate (19), are offered fixing groove (20) between two limit plates (19), the fixing groove (20)
Side is equipped with block (21).
3. a kind of bleeder of unidirectional counterflow-preventing according to claim 1, it is characterised in that: tooth on the limited block (8)
Shape it is identical as the shape of tooth on block teeth (7).
4. a kind of bleeder of unidirectional counterflow-preventing according to claim 1, it is characterised in that: spool (12) the side set
It is connected to rubber cap.
5. a kind of bleeder of unidirectional counterflow-preventing according to claim 1, it is characterised in that: the push rod (9) it is outer straight
Diameter is less than the interior diameter of oil outlet (14).
6. a kind of bleeder of unidirectional counterflow-preventing according to claim 1, it is characterised in that: applied outside the shell (1)
It is wiped with antirust paint, and is covered with protecting film outside antirust paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822014857.5U CN209293751U (en) | 2018-12-03 | 2018-12-03 | A kind of bleeder of unidirectional counterflow-preventing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822014857.5U CN209293751U (en) | 2018-12-03 | 2018-12-03 | A kind of bleeder of unidirectional counterflow-preventing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209293751U true CN209293751U (en) | 2019-08-23 |
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ID=67657079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822014857.5U Active CN209293751U (en) | 2018-12-03 | 2018-12-03 | A kind of bleeder of unidirectional counterflow-preventing |
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| CN (1) | CN209293751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852722A (en) * | 2020-07-08 | 2020-10-30 | 纪振超 | Lubricating oil feeding device for hydroelectric power generation equipment |
-
2018
- 2018-12-03 CN CN201822014857.5U patent/CN209293751U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852722A (en) * | 2020-07-08 | 2020-10-30 | 纪振超 | Lubricating oil feeding device for hydroelectric power generation equipment |
| CN111852722B (en) * | 2020-07-08 | 2021-02-12 | 宁夏新宇建设工程有限公司 | Lubricating oil feeding device for hydroelectric power generation equipment |
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