CN207905944U - A kind of diesel engine high strength cylinder cap - Google Patents
A kind of diesel engine high strength cylinder cap Download PDFInfo
- Publication number
- CN207905944U CN207905944U CN201721844128.1U CN201721844128U CN207905944U CN 207905944 U CN207905944 U CN 207905944U CN 201721844128 U CN201721844128 U CN 201721844128U CN 207905944 U CN207905944 U CN 207905944U
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- China
- Prior art keywords
- cover body
- lid
- valve mechanism
- link block
- mechanism cover
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of diesel engine high strength cylinder caps, including lid and valve mechanism cover body, it is both provided with link block on four side walls of the cylinder head cover body, it is located on the lid immediately below upper link block and is provided with lower connecting block, the bottom of the upper link block is provided with tension spring, the drag hook for connecting tension spring is provided at the top of the lower connecting block, it is located in valve mechanism cover body on the lid and the inner wall direction of cylinder head cover body is provided with fence for positioning, caoutchouc elasticity sealing ring is provided between the fence for positioning and cylinder head cover body.The utility model is using the connection type of tension spring instead of original bolt connecting mode, so that lid is because when the relative position in the environment of long term high temperature between valve mechanism cover body changes, the bonding strength between lid and valve mechanism cover body is not interfered with, it is ensured that have good bonding strength between lid and valve mechanism cover body always.
Description
Technical field
The utility model is related to a kind of engine cylinder caps, and in particular to a kind of diesel engine high strength cylinder cap.
Background technology
Existing engine cylinder cap includes lid and valve mechanism cover body, and existing technology is by bolted connection
Lid and valve mechanism cover body are attached, in actual utilization, because the high temperature that the running of engine generates influences, lid
Body is easy to be slightly variable type by the effect of long term high temperature, and the relative position between lid and valve mechanism cover body is caused to change
Become, bolt and bolt hole misplace, and cause the connection precision of cylinder head cover body and lid to be affected, bonding strength greatly drops
Low, the overall stability of cylinder head is affected, and the sealing performance between cylinder head cover body and lid can also be affected.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, a kind of connection of lid and valve mechanism cover body is provided
The diesel engine high strength cylinder cap of stability height, good seal performance.
Technical solution：To achieve the above object, the utility model provides a kind of diesel engine high strength cylinder cap, including
Lid and valve mechanism cover body are both provided with link block on four side walls of the cylinder head cover body, are located on the lid upper
Lower connecting block is provided with immediately below link block, the bottom of the upper link block is provided with tension spring, the top of the lower connecting block
It is provided with the drag hook for connecting tension spring, the inner wall direction in valve mechanism cover body along cylinder head cover body is located on the lid
It is provided with fence for positioning, caoutchouc elasticity sealing ring, the caoutchouc elasticity are provided between the fence for positioning and cylinder head cover body
Sealing ring is fixed on the inner wall of cylinder head cover body.
The design principle of the utility model is：Tension spring is held using drag hook, the convergent force of tension spring acts on lid and cylinder
Between housing body so that valve mechanism cover body can be fixed on lid, accordingly even when the relative position of lid and valve mechanism cover body
Changed, connection effect of the tension spring for lid and valve mechanism cover body will not be influenced；The setting of fence for positioning can give
Cylinder head cover body rough position orientation on lid is given, caoutchouc elasticity sealing ring is arranged in valve mechanism cover body, is made
Obtaining caoutchouc elasticity sealing ring will not be changed because of the relative position of lid and valve mechanism cover body and reduce sealing performance.
Further, the top surface of the upper link block and lid fits, and the top surface of such lid can give connection
The certain supporting role of block, improves the stability of link block, reduces link block because for a long time by the pulling force of tension spring
There is a situation where the generations of downward modification.
Further, the upper link block is located at the centre position of valve mechanism cover body sidewall.
Further, it is provided with reinforcing rib between the upper link block and valve mechanism cover body, improves link block in gas
Structural strength on cylinder cap cover body.
Further, the drag hook is located at the underface of tension spring so that the draw direction of tension spring is in longitudinally perpendicular.
Further, it is provided with the positioning groove to match with fence for positioning on the caoutchouc elasticity sealing ring, it is fixed in this way
Position fence card fits in positioning groove, since caoutchouc elasticity sealing ring itself has good elastic telescopic performance so that even if
The position micromodification of fence for positioning becomes, and caoutchouc elasticity sealing ring can fit closely fence for positioning always.
Advantageous effect：Compared with prior art, lid and valve mechanism cover body utilize the connection type of tension spring to the utility model
Instead of original bolt connecting mode so that lid is because of the opposite position in the environment of long term high temperature between valve mechanism cover body
It sets when changing, does not interfere with the bonding strength between lid and valve mechanism cover body, it is ensured that lid and valve mechanism cover body
Between have good bonding strength always so that the using effect of engine cylinder cap has obtained effective guarantee.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view of the utility model.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, it should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model, after having read the utility model, art technology
Personnel fall within the application range as defined in the appended claims to the modification of the various equivalent forms of the utility model.
Embodiment 1：
As depicted in figs. 1 and 2, a kind of diesel engine high strength cylinder cap of the utility model offer, including lid 1 are gentle
Cylinder cap cover body 2 is both provided with link block 3 on four side walls of the cylinder head cover body 2, is located at upper connection on the lid 1
The underface of block 3 is provided with lower connecting block 4, and the bottom of the upper link block 3 is provided with tension spring 6, the top of the lower connecting block 4
It is provided with the drag hook 5 for connecting tension spring 6, is located in valve mechanism cover body 2 along in cylinder head cover body 2 on the lid 1
Wall direction is provided with fence for positioning 7, and caoutchouc elasticity sealing ring 8, institute are provided between the fence for positioning 7 and cylinder head cover body 2
Caoutchouc elasticity sealing ring 8 to be stated to be fixed on the inner wall of cylinder head cover body 2, the top surface of the upper link block 3 and lid 1 fits,
The upper link block 3 is located at the centre position of 2 side wall of cylinder head cover body, is arranged between the upper link block 3 and valve mechanism cover body 2
There are reinforcing rib 9, the drag hook 5 to be located at the underface of tension spring 6, is provided on the caoutchouc elasticity sealing ring 8 and 7 phase of fence for positioning
Matched positioning groove 81.
Embodiment 2：
The specific connection flow of lid 1 and valve mechanism cover body 2 is：Cylinder head cover body 2 is covered on lid 1 first, will be determined
Position fence 7 blocks in the positioning groove 81 for fitting over caoutchouc elasticity sealing ring 8, and four upper link blocks 3 are placed exactly in respectively
Then the surface of four lower connecting blocks 4 pulls the tension spring 6 on four upper link blocks 3 that it is made to be buckled in the drag hook 5 of underface respectively
On, the connection of lid 1 and valve mechanism cover body 2 is just completed in this way.
Claims (6)
1. a kind of diesel engine high strength cylinder cap, including lid (1) and valve mechanism cover body (2), it is characterised in that：The gas
Be both provided with link block (3) on four side walls of cylinder cap cover body (2), be located on the lid (1) upper link block (3) just under
Side is provided with lower connecting block (4), and the bottom of the upper link block (3) is provided with tension spring (6), the top of the lower connecting block (4)
It is provided with the drag hook (5) for connecting tension spring (6), is located in valve mechanism cover body (2) along valve mechanism cover on the lid (1)
The inner wall direction of body (2) is provided with fence for positioning (7), and rubber is provided between the fence for positioning (7) and cylinder head cover body (2)
Elastic seal ring (8), the caoutchouc elasticity sealing ring (8) are fixed on the inner wall of cylinder head cover body (2).
2. a kind of diesel engine high strength cylinder cap according to claim 1, it is characterised in that：The upper link block
(3) top surface with lid (1) fits.
3. a kind of diesel engine high strength cylinder cap according to claim 1 or 2, it is characterised in that：The upper connection
Block (3) is located at the centre position of cylinder head cover body (2) side wall.
4. a kind of diesel engine high strength cylinder cap according to claim 1, it is characterised in that：The upper link block
(3) reinforcing rib (9) is provided between valve mechanism cover body (2).
5. a kind of diesel engine high strength cylinder cap according to claim 1, it is characterised in that：Drag hook (5) position
Underface in tension spring (6).
6. a kind of diesel engine high strength cylinder cap according to claim 1, it is characterised in that：The caoutchouc elasticity is close
The positioning groove (81) to match with fence for positioning (7) is provided in seal (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844128.1U CN207905944U (en) | 2017-12-26 | 2017-12-26 | A kind of diesel engine high strength cylinder cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844128.1U CN207905944U (en) | 2017-12-26 | 2017-12-26 | A kind of diesel engine high strength cylinder cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207905944U true CN207905944U (en) | 2018-09-25 |
Family
ID=63569107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721844128.1U Active CN207905944U (en) | 2017-12-26 | 2017-12-26 | A kind of diesel engine high strength cylinder cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207905944U (en) |
-
2017
- 2017-12-26 CN CN201721844128.1U patent/CN207905944U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |