CN208348962U - A kind of natural gas stink agent injection device - Google Patents
A kind of natural gas stink agent injection device Download PDFInfo
- Publication number
- CN208348962U CN208348962U CN201820523657.XU CN201820523657U CN208348962U CN 208348962 U CN208348962 U CN 208348962U CN 201820523657 U CN201820523657 U CN 201820523657U CN 208348962 U CN208348962 U CN 208348962U
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- China
- Prior art keywords
- cylinder
- hole
- inner cylinder
- sealing drum
- side wall
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of natural gas stink agent injection devices, it is connected with the piston of piston rod including outer cylinder, inner cylinder and side, is provided with first through hole in the middle part of the lower end of outer cylinder, the outer bead of first through hole is connected with sealing drum, one end of sealing drum is connected to first through hole, and the other end is cecum；The side wall of sealing drum is provided with liquid outlet, and the inside longitudinal sliding motion of sealing drum is provided with plugging block, the bottom end of plugging block via compressed spring and sealing drum cecum elastic connection；Inner cylinder is longitudinally slidably set in outer cylinder, and the lower end of inner cylinder is provided with the second through-hole, and the outer bead of the second through-hole is provided with connecting cylinder, and the side wall of connecting cylinder offers several via holes, and the outer diameter of connecting cylinder and the diameter of first through hole are equal；Piston is longitudinally slidably set in inner cylinder；The upper portion side wall of outer cylinder is provided with inlet, and inner cylinder upper portion side wall is provided with the liquid sucting port opposite with inlet.The utility model has preferable leakproofness.
Description
Technical field
The utility model relates to a kind of natural gas stink agent injection devices.
Background technique
Because natural gas colorless and odorless, does not find if had leaked, can be very dangerous.After adding substance of this kind, if let out
Leakage, people will have found in time, guarantee using safe.The 5.3rd article of " natural gas " GB/T 17820-2012 regulation: it is fired as cities and towns
The natural gas of gas should have recognized stink.The injection device needed when adding stink agent into natural gas line needs
There is preferable leakproofness to ensure injection process safety.
Summary of the invention
The utility model aim is to solve the above problems, and provides a kind of natural gas stink agent injection device, specifically by
Following technical scheme is realized:
A kind of natural gas stink agent injection device, the piston of piston rod is connected with including outer cylinder, inner cylinder and side, described
It is provided with first through hole in the middle part of the lower end of outer cylinder, the outer bead of the first through hole is connected with sealing drum, and the one of the sealing drum
End is connected to the first through hole, and the other end is cecum；The side wall of sealing drum is provided with liquid outlet, and the inside of sealing drum is longitudinally sliding
It is dynamic to be provided with plugging block, the bottom end of the plugging block via compressed spring and the sealing drum cecum elastic connection, to seal
Sprue blocks the outer bead of the first through hole under the action of elastic force；The inner cylinder is longitudinally slidably set to the outer cylinder
In, the lower end of inner cylinder is provided with the second through-hole, and the outer bead of second through-hole is provided with connecting cylinder, the side wall of the connecting cylinder
Several via holes are offered, the outer diameter of the connecting cylinder is equal with the diameter of the first through hole；The piston can longitudinal sliding motion
Ground is set in the inner cylinder；The upper portion side wall of the outer cylinder is provided with inlet, and the inner cylinder upper portion side wall is provided with and institute
State the opposite liquid sucting port of inlet；Pushing down on piston rod makes the inner cylinder in outer cylinder when downlink, described in connecting cylinder insertion
In first through hole, thus via hole connection inner cylinder inner space and the liquid outlet；The piston rod uplink, inner cylinder uplink are straight
When offseting to the inner wall with outer cylinder upper side, the inlet is opposite with the liquid sucting port, so that the inside of inlet and inner cylinder
Space connection；The upper surface of the outer cylinder is provided with several pilot holes, is connected with sliding plug on the outside of the upper surface of the inner cylinder
Guide rod in the pilot hole；The outer end of the guide rod is connected with push plate.
The natural gas stink agent injection device, further design is that the bottom of the inner cylinder is provided with several
It is connected to the balance hole of inner cylinder inner space and outer barrel space.
The utility model has the beneficial effects that:
The utility model could make inlet be connected to liquid sucting port when inner cylinder is moved to outer cylinder top, and go out liquid at this time
Mouth is blocked by plugging block, and when inner cylinder sucks a certain amount of stink agent inner cylinder downlink, liquid sucting port is staggered with inlet, until
When inner cylinder comes downwards to outer cylinder bottom, liquid outlet is just opened, and ensures that inlet and liquid out during stink agent filling
It will not be connected to always between mouthful, and then ensure that filling process is safe and reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
The utility model is further described below in conjunction with Figure of description and embodiment:
Natural gas stink agent injection device as shown in Figure 1, including outer cylinder 1, inner cylinder 2 and side are connected with piston rod 31
Piston 3, be provided with first through hole 11 in the middle part of the lower end of the outer cylinder, the outer bead of the first through hole is connected with sealing drum
12, one end of the sealing drum is connected to the first through hole, and the other end is cecum；The side wall of sealing drum is provided with liquid outlet
121, the inside longitudinal sliding motion of sealing drum is provided with plugging block 122, the bottom end of the plugging block via compressed spring 123 with it is described
The cecum elastic connection of sealing drum, so that plugging block blocks the outer bead of the first through hole under the action of elastic force；In described
Cylinder 2 is longitudinally slidably set in the outer cylinder, and the lower end of inner cylinder is provided with the second through-hole 21, the outer of second through-hole
Mouth is provided with connecting cylinder 22, and the side wall of the connecting cylinder offers several via holes 221, the outer diameter of the connecting cylinder and described the
The diameter of one through-hole is equal；The piston is longitudinally slidably set in the inner cylinder；The upper portion side wall of the outer cylinder is arranged
There is inlet 13, the inner cylinder upper portion side wall is provided with the liquid sucting port 23 opposite with the inlet.
Pushing down on piston rod makes the inner cylinder in outer cylinder when downlink, and connecting cylinder is inserted into the first through hole, from
And via hole connection inner cylinder inner space and the liquid outlet；The piston rod uplink, inner cylinder uplink is until on the upside of outer cylinder
When the inner wall in face offsets, the inlet is opposite with the liquid sucting port, so that inlet is connected to the inner space of inner cylinder.
The upper surface of the outer cylinder 1 is provided with several pilot holes, is connected with sliding plug on the outside of the upper surface of the inner cylinder
Guide rod 24 in the pilot hole.The setting of pilot hole and guide rod can ensure be injected into liquid mouth to inner cylinder and inhaling
Liquid mouth is corresponding.The outer end of the guide rod is connected with push plate 25.
Original state opens external stink agent pipe valve, pressure as shown in Figure 1, at this point, be negative pressure state in inner cylinder
In higher stink agent injection inner cylinder, external stink agent pipe valve is then closed, push plate is pushed down on and makes inner cylinder outside
Cylinder inner downlink, so that inlet and liquid sucting port are staggered in then connecting cylinder insertion sealing drum, connecting cylinder opens plugging block, from
And liquid outlet 121 is connected to inner cylinder inner space, piston rod is then pushed, stink agent is extruded through liquid outlet 121.
When injecting stink agent to inner cylinder, stink agent actually enters in outer cylinder via connecting cylinder, when pushing inner cylinder, outside
Stink agent in cylinder may still be returned in inner cylinder by connecting cylinder, but in order to guarantee that inner cylinder downlink process is very fast, the inner cylinder 2
Bottom be provided with it is several connection inner cylinder inner spaces and outer barrel space balance holes 25.
The utility model could make inlet be connected to liquid sucting port when inner cylinder is moved to outer cylinder top, and go out liquid at this time
Mouth is blocked by plugging block, and when inner cylinder sucks a certain amount of stink agent inner cylinder downlink, liquid sucting port is staggered with inlet, until
When inner cylinder comes downwards to outer cylinder bottom, liquid outlet is just opened, and ensures that inlet and liquid out during stink agent filling
It will not be connected to always between mouthful, and then ensure that filling process is safe and reliable.
Claims (3)
1. a kind of natural gas stink agent injection device, it is characterised in that be connected with piston rod including outer cylinder, inner cylinder and side
The lower end middle part of piston, the outer cylinder is provided with first through hole, and the outer bead of the first through hole is connected with sealing drum, described close
One end of sealed tube is connected to the first through hole, and the other end is cecum；The side wall of sealing drum is provided with liquid outlet, sealing drum it is interior
Portion's longitudinal sliding motion is provided with plugging block, and the bottom end of the plugging block connects via compressed spring and the cecum elasticity of the sealing drum
It connects, so that plugging block blocks the outer bead of the first through hole under the action of elastic force；The inner cylinder is longitudinally slidably arranged
In the outer cylinder, the lower end of inner cylinder is provided with the second through-hole, and the outer bead of second through-hole is provided with connecting cylinder, the company
The side wall of connect cylinder offers several via holes, and the outer diameter of the connecting cylinder is equal with the diameter of the first through hole；The piston
It is longitudinally slidably set in the inner cylinder；The upper portion side wall of the outer cylinder is provided with inlet, the inner cylinder upper portion side wall
It is provided with the liquid sucting port opposite with the inlet；Pushing down on piston rod makes the inner cylinder in outer cylinder when downlink, connection
Cylinder is inserted into the first through hole, thus via hole connection inner cylinder inner space and the liquid outlet；The piston rod uplink,
For inner cylinder uplink until when offseting with the inner wall of outer cylinder upper side, the inlet is opposite with the liquid sucting port so that inlet and
The inner space of inner cylinder is connected to.
2. natural gas stink agent injection device according to claim 1, which is characterized in that the upper surface of the outer cylinder is arranged
There are several pilot holes, is connected with guide rod of the sliding plug in the pilot hole on the outside of the upper surface of the inner cylinder；It is described to lead
Push plate is connected with to the outer end of bar.
3. natural gas stink agent injection device according to claim 1, which is characterized in that the bottom of the inner cylinder is provided with
The balance hole of several connection inner cylinder inner spaces and outer barrel space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820523657.XU CN208348962U (en) | 2018-04-13 | 2018-04-13 | A kind of natural gas stink agent injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820523657.XU CN208348962U (en) | 2018-04-13 | 2018-04-13 | A kind of natural gas stink agent injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348962U true CN208348962U (en) | 2019-01-08 |
Family
ID=64886207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820523657.XU Expired - Fee Related CN208348962U (en) | 2018-04-13 | 2018-04-13 | A kind of natural gas stink agent injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348962U (en) |
-
2018
- 2018-04-13 CN CN201820523657.XU patent/CN208348962U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20210413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |