CN214999169U - Tight jacking device for outboard engine - Google Patents
Tight jacking device for outboard engine Download PDFInfo
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- CN214999169U CN214999169U CN202120804819.9U CN202120804819U CN214999169U CN 214999169 U CN214999169 U CN 214999169U CN 202120804819 U CN202120804819 U CN 202120804819U CN 214999169 U CN214999169 U CN 214999169U
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- plunger
- spring
- seat
- valve seat
- steel ball
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Abstract
The utility model relates to a jacking device for outboard engine, which comprises a device body, wherein the device body is provided with a connecting part, a swing arm, a plunger cavity and a plunger component; the plunger component comprises a spring, a spring seat, a steel ball, a valve seat, a plunger, a guide seat and an oil seal; the spring is arranged at the bottom of the plunger cavity, buffer liquid is injected into the bottom of the plunger cavity, the valve seat is in clearance fit with the inner wall of the plunger cavity, the valve seat is provided with a through hole structure which is communicated up and down, the steel ball is matched with the bottom of the through hole structure, the spring seat supports the steel ball, and the spring is matched with the spring seat; one end of the plunger is matched with the valve seat, and the other end of the plunger penetrates through the guide seat and the oil seal and extends out of the plunger cavity; the scheme adopts a wet elastic plunger structure, can not generate noise such as friction, impact and the like during working, has good damping and stability, and can adapt to severe working rings of outboard engines; the whole service life is long, and the durability requirement of the outboard engine can be met.
Description
Technical Field
The utility model relates to a tight device in top for outboard engine belongs to outboard engine technical field.
Background
Some body structures of the outboard engine need to use a jacking component, such as a tensioning part of a timing belt, or other parts which need to be jacked and have elastic strain functions; most of the existing jacking devices adopt elastic components to realize functions, but the elastic components are mostly of dry structures, can generate noises such as friction, impact and the like during working, have poor damping and stability, and cannot adapt to severe working rings of outboard engines; the service life of the components is also low, and the durability requirement of the outboard engine cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art and providing a tight device in top for outboard engine.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a jacking device for an outboard engine comprises a device body, wherein the device body is provided with a connecting part, a swing arm, a plunger cavity and a plunger assembly; the plunger component comprises a spring, a spring seat, a steel ball, a valve seat, a plunger, a guide seat and an oil seal; the spring is arranged at the bottom of the plunger cavity, buffer liquid is injected into the bottom of the plunger cavity, the valve seat is in clearance fit with the inner wall of the plunger cavity, the valve seat is provided with a through hole structure which is communicated up and down, the steel ball is matched with the bottom of the through hole structure, the spring seat supports the steel ball, and the spring is matched with the spring seat; one end of the plunger is matched with the valve seat, and the other end of the plunger penetrates through the guide seat and the oil seal and extends out of the plunger cavity.
Preferably, the device body is further provided with a plug, the connecting portion is provided with a mounting hole, and the swing arm is provided with a positioning hole.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the jacking device for the outboard engine adopts a wet elastic plunger structure, can not generate noise such as friction, impact and the like during working, has good damping and stability, and can adapt to some severe working rings of the outboard engine; the whole service life is long, and the durability requirement of the outboard engine can be met.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
fig. 1 is a schematic structural view of a jacking device for outboard engines according to the present invention;
fig. 2 is a schematic sectional structure view of a tightening device for outboard engines according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the jacking device for outboard engines of the present invention comprises a device body 1, wherein the device body 1 is provided with a connecting portion 2, a swing arm 3, a plug 4, a plunger cavity and a plunger assembly, the connecting portion 2 is provided with a mounting hole 5, and the swing arm 3 is provided with a positioning hole 6; the mounting hole 5 is used for arranging parts such as bolts, the positioning hole 6 is used for arranging parts such as positioning pins, and the jacking device is fixed through two-point positioning; the plug 4 is matched with and tightly props against an external structure.
The plunger assembly comprises a spring 11, a spring seat 12, a steel ball 13, a valve seat 14, a plunger 15, a guide seat 16 and an oil seal 17; the spring 11 is arranged at the bottom of the plunger cavity, and buffer liquid, generally engine oil, is injected into the bottom of the plunger cavity; the valve seat 14 is in clearance fit with the inner wall of the plunger cavity, the valve seat 14 is provided with a through hole structure which is communicated up and down, the steel ball 13 is matched with the bottom of the through hole structure, the spring seat 12 supports the steel ball 13, and the spring 11 is matched with the spring seat 12 to keep the steel ball 13 between the spring seat 12 and the valve seat 14; the guide seat 16 and the oil seal 17 are fixedly arranged at an opening of the plunger cavity, one end of the plunger 15 is matched with the valve seat 14, and the other end of the plunger 15 penetrates through the guide seat 16 and the oil seal 17 and extends out of the plunger cavity; the guide seat 16 plays a role in guiding the plunger 15, and the oil seal 17 ensures the tightness of a plunger cavity.
When the plunger 15 is pressurized, the steel ball 13 blocks the through hole of the valve seat 14 to form a one-way valve, and engine oil can only slowly flow to the upper side of the valve seat 14 through oil gaps of the valve seat 14 and the plunger cavity; due to the incompressibility of the liquid, a larger damping is formed, and the plunger can be prevented from being pressed to the bottom.
When the plunger is not stressed, the spring 11 pushes the valve seat 14 to move forwards, the steel ball 13 cannot block engine oil, and the engine oil flows back without resistance, so that the plunger can be quickly reset.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (2)
1. A jacking device for outboard engines is characterized in that: the device comprises a device body (1), wherein a connecting part (2), a swing arm (3), a plunger cavity and a plunger assembly are arranged on the device body (1); the plunger assembly comprises a spring (11), a spring seat (12), a steel ball (13), a valve seat (14), a plunger (15), a guide seat (16) and an oil seal (17); the spring (11) is arranged at the bottom of the plunger cavity, buffer liquid is injected into the bottom of the plunger cavity, the valve seat (14) is in clearance fit with the inner wall of the plunger cavity, the valve seat (14) is provided with a through hole structure which is communicated up and down, the steel ball (13) is matched with the bottom of the through hole structure, the spring seat (12) supports the steel ball (13), and the spring (11) is matched with the spring seat (12); one end of the plunger (15) is matched with the valve seat (14), and the other end of the plunger passes through the guide seat (16) and the oil seal (17) and extends out of the plunger cavity.
2. The jacking device for outboard engines as claimed in claim 1, wherein: the device is characterized in that a plug (4) is further arranged on the device body (1), a mounting hole (5) is formed in the connecting portion (2), and a positioning hole (6) is formed in the swing arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804819.9U CN214999169U (en) | 2021-04-20 | 2021-04-20 | Tight jacking device for outboard engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120804819.9U CN214999169U (en) | 2021-04-20 | 2021-04-20 | Tight jacking device for outboard engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214999169U true CN214999169U (en) | 2021-12-03 |
Family
ID=79093422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120804819.9U Active CN214999169U (en) | 2021-04-20 | 2021-04-20 | Tight jacking device for outboard engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214999169U (en) |
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2021
- 2021-04-20 CN CN202120804819.9U patent/CN214999169U/en active Active
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