CN209212534U - Piston engine with sealing structure - Google Patents
Piston engine with sealing structure Download PDFInfo
- Publication number
- CN209212534U CN209212534U CN201821831173.8U CN201821831173U CN209212534U CN 209212534 U CN209212534 U CN 209212534U CN 201821831173 U CN201821831173 U CN 201821831173U CN 209212534 U CN209212534 U CN 209212534U
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- plunger rod
- plunger
- box
- gear
- seal
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Abstract
A kind of piston engine with sealing structure, including rack and rack-mounted gear-box and piston structure, the piston structure includes plunger rod, clamp nut, upper seal, first steel ball, plunger valve seat, plunger pressure determines screw, lower seal, lower material sucking valve positioning sleeve, second steel ball, lower suction valve base and lower suction valve body, the plunger rod is put into the hole on gear-box, the plunger valve seat, which is pressed into the plunger pressure, to be determined in screw top, first steel ball is put into the aperture of plunger rod lower end, plunger pressure is determined screw simultaneously to be put into the aperture of plunger rod lower end and connect with plunger rod threads from bottom to top；Lower seal is equipped between the gear-box and plunger rod, the lower seal is sleeved on outside the lower end of plunger rod and connect with plunger rod threads.The utility model provides the piston engine that a kind of sealing effect preferably has sealing structure.
Description
Technical field
The utility model relates to a kind of piston engines with sealing structure.
Background technique
Although the sealing effect of existing piston engine can reach effect used in reality, sealing effect be not it is especially good,
It also needs to further strengthen.
Summary of the invention
In order to overcome existing piston engine in the defect of poor sealing, it is preferable that the utility model provides a kind of leakproofness
Piston engine with sealing structure.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of piston engine with sealing structure, including rack and rack-mounted gear-box and plunger knot
Structure, the piston structure include plunger rod, clamp nut, upper seal, the first steel ball, plunger valve seat, plunger pressure determine screw, under
Sealing ring, lower material sucking valve positioning sleeve, the second steel ball, lower suction valve base and lower suction valve body, the plunger rod are put into gear
In hole on case, the plunger valve seat, which is pressed into the plunger pressure, to be determined in screw top, and the first steel ball is put into the aperture of plunger rod lower end
It is interior, while plunger pressure is determined into screw and is put into the aperture of plunger rod lower end and is connect with plunger rod threads from bottom to top；The gear
Lower seal is equipped between case and plunger rod, the lower seal is sleeved on outside the lower end of plunger rod and connects with plunger rod threads
It connects；
The lower suction valve base is pressed into the lower suction valve body, and second steel ball is put into lower material sucking valve positioning sleeve
Lower part aperture in, and the lower part of lower material sucking valve positioning sleeve is located in the top of lower suction valve body, the lower material sucking valve positioning
Set is located at the lower section of lower seal and the top of lower material sucking valve positioning sleeve and is located in the hole on gear-box, the lower material sucking valve positioning
The top aperture internal diameter of the top aperture of set and plunger rod face and lower material sucking valve positioning sleeve is greater than the lower outer diameter of plunger rod, institute
The top for stating lower suction valve body is threadedly coupled with the gear-box, between the lower material sucking valve positioning sleeve and lower suction valve body
It is additionally provided with O-ring；
Upper seal is equipped between the top and gear-box of the plunger rod, the upper seal and plunger rod threads connect
It connects, the clamp nut is pressed in upper seal and is threadedly coupled with seal box.
The beneficial effects of the utility model are mainly manifested in: leakproofness is preferable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial exploded view of Fig. 1.
Fig. 3 is the partial cutaway view of Fig. 1.
Specific embodiment
The utility model is further described with reference to the accompanying drawing.
Referring to Fig.1~Fig. 3, a kind of piston engine with sealing structure, including rack and rack-mounted tooth
Roller box 13 and piston structure, the piston structure include plunger rod 10, clamp nut 12, upper seal 11, the first steel ball 9, column
Plug valve seat 8, plunger pressure determine screw 7, lower seal 6, lower material sucking valve positioning sleeve 5, the second steel ball 3, lower suction valve base 2 and lower suction
Expect that valve body 1, the plunger rod 10 are put into the hole on gear-box 13, the plunger valve seat 8 is pressed into the plunger pressure and determines screw 7
In top, the first steel ball 9 is put into 10 lower end aperture of plunger rod, while plunger pressure is determined screw 7 and is put into plunger rod from bottom to top
It is threadedly coupled in 10 lower end apertures and with plunger rod 10；Lower seal 6 is equipped between the gear-box 13 and plunger rod 10, it is described
Lower seal 6 is sleeved on outside the lower end of plunger rod 10 and is threadedly coupled with plunger rod 10；
The lower suction valve base 2 is pressed into the lower suction valve body 1, and it is fixed that second steel ball 3 is put into lower material sucking valve
In the lower part aperture of position set 5, and the lower part of lower material sucking valve positioning sleeve 5 is located in the top of lower suction valve body 1, the lower suction
Valve positioning sleeve 5 is located at the lower section of lower seal 6 and the top of lower material sucking valve positioning sleeve 5 and is located in the hole on gear-box 13, described
The top aperture internal diameter of the top aperture of lower material sucking valve positioning sleeve 5 and 10 face of plunger rod and lower material sucking valve positioning sleeve 5 is greater than column
The top of the lower outer diameter of stopper rod 10, the lower suction valve body 1 is threadedly coupled with the gear-box 13, and the lower material sucking valve is fixed
O-ring 4 is additionally provided between position set 5 and lower suction valve body 1；
Upper seal 11, the upper seal 11 and plunger rod are equipped between the top and gear-box 13 of the plunger rod 10
10 are threadedly coupled, and the clamp nut 12 is pressed in upper seal 11 and is threadedly coupled with seal box 13.
In the present embodiment, upper seal 11, lower seal 6, lower material sucking valve positioning sleeve 5 are the holes on gear-box 13
Interior, clamp nut 12, lower suction valve body 1 are connect with the upper end in hole, lower thread on gear-box 13 respectively.First steel ball
9 are located at the top of plunger valve seat 8, and second steel ball 3 is located at the top of lower suction valve base 2.
The installation process of the utility model: plunger valve seat 8 is pressed into plunger pressure first and determines screw 7, secondly by the first steel ball 9
It is put into plunger rod 10, it is fixed to determine screw 7 with plunger pressure；Lower suction valve base 2 is pressed into lower suction valve body 1；By lower seal 6
It is pressed on gear-box 13 inside hole, then successively by lower material sucking valve positioning sleeve 5, O-ring 4, the second steel ball 3 and lower 1 group of suction valve body
It closes, lower suction valve body 1 is fitted close with 13 screw thread of gear-box.Upper seal 11, plunger rod 10 are equally pressed onto gear-box 13
It inside upper hole, is fitted close with clamp nut 12 and 13 screw thread of gear-box, its plunger assembly is enable to reach preferably true when moving
Empty sealing effect.
Claims (1)
1. a kind of piston engine with sealing structure, including rack and rack-mounted gear-box and piston structure,
It is characterized by: the piston structure includes plunger rod, clamp nut, upper seal, the first steel ball, plunger valve seat, plunger pressure
Determine screw, lower seal, lower material sucking valve positioning sleeve, the second steel ball, lower suction valve base and lower suction valve body, the plunger rod
It is put into the hole on gear-box, the plunger valve seat, which is pressed into the plunger pressure, to be determined in screw top, and the first steel ball is put into plunger rod
In the aperture of lower end, while plunger pressure is determined into screw and is put into the aperture of plunger rod lower end and is connect with plunger rod threads from bottom to top；
Lower seal is equipped between the gear-box and plunger rod, the lower seal is sleeved on outside the lower end of plunger rod and and plunger rod
It is threadedly coupled；
The lower suction valve base is pressed into the lower suction valve body, and second steel ball is put under lower material sucking valve positioning sleeve
In portion's aperture, and the lower part of lower material sucking valve positioning sleeve is located in the top of lower suction valve body, the lower material sucking valve positioning sleeve position
In the lower section of lower seal and the top of lower material sucking valve positioning sleeve is located in the hole on gear-box, the lower material sucking valve positioning sleeve
The top aperture internal diameter of top aperture and plunger rod face and lower material sucking valve positioning sleeve is greater than the lower outer diameter of plunger rod, under described
The top of suction valve body is threadedly coupled with the gear-box, is also set between the lower material sucking valve positioning sleeve and lower suction valve body
There is O-ring；
Upper seal is equipped between the top and gear-box of the plunger rod, the upper seal is connect with plunger rod threads, institute
Clamp nut is stated to be pressed in upper seal and be threadedly coupled with seal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831173.8U CN209212534U (en) | 2018-10-31 | 2018-10-31 | Piston engine with sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831173.8U CN209212534U (en) | 2018-10-31 | 2018-10-31 | Piston engine with sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209212534U true CN209212534U (en) | 2019-08-06 |
Family
ID=67458681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821831173.8U Active CN209212534U (en) | 2018-10-31 | 2018-10-31 | Piston engine with sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209212534U (en) |
-
2018
- 2018-10-31 CN CN201821831173.8U patent/CN209212534U/en active Active
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