CN203009478U - Connecting device of engine hood cover and automobile engine - Google Patents
Connecting device of engine hood cover and automobile engine Download PDFInfo
- Publication number
- CN203009478U CN203009478U CN 201220735202 CN201220735202U CN203009478U CN 203009478 U CN203009478 U CN 203009478U CN 201220735202 CN201220735202 CN 201220735202 CN 201220735202 U CN201220735202 U CN 201220735202U CN 203009478 U CN203009478 U CN 203009478U
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- China
- Prior art keywords
- engine bonnet
- engine
- connection set
- lining
- clamping bolt
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- Expired - Fee Related
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Abstract
The utility model discloses a connecting device of an engine hood cover and an automobile engine. The connecting device comprises a fastening bolt, a bush, and a shock absorption block. A flange is fixedly sleeved on the fastening bolt and abuts against one side, close to a screw, of the head portion of the bolt. The bush is sleeved on the outer side of the screw of the fastening bolt, and the longitudinal cross-section of the bush is H-shaped. The shock absorption block is fixedly arranged on the outer side of the bush. The fastening bolt is used for connecting the engine hood cover and a cylinder head cover, and the bush is arranged between the fastening bolt and the shock absorption block for limiting shock along the horizontal direction of the engine hood cover. Compared with the prior art, abnormal sound is eliminated, and shock is reduced.
Description
Technical field
The utility model relates to the vehicle structure technology, relates in particular to a kind of connection set and motor car engine of engine bonnet.
Background technique
Engine bonnet is located at above motor, is fixedly connected with engine valve cover, motor is played the effect of protection.
The tie point of existing engine bonnet and valve chamber cover is distributed in four jiaos of engine bonnet.Wherein, convenient for adding change engine oil, be provided with oil filler at engine bonnet, be provided with on oil filler and add machine oil lid.This adds machine oil lid and can be used as a tie point and be connected with valve chamber cover.Its excess-three tie point is generally the umbellate form snubber block and is connected with the plug type of ball stud.Publication number is to disclose a kind of engine bonnet that there is no oil filler in the Chinese patent of CN201891505U, and its four points of connection is the above-mentioned umbellate form snubber block of mentioning and is connected with the plug type of ball stud.In this patent, elastomer link 12 just is equivalent to the umbellate form snubber block.
In above-mentioned Placement, the head of elastomer link and ball stud is interference fit at the bolt axial direction, but is Spielpassung in perpendicular to the plane of bolt axis, both can produce relative movement in this plane.
During engine running, valve chamber cover meeting vibration-generating, vibration is delivered to engine bonnet by adding machine oil lid, causes getting loose of engine bonnet, produces abnormal sound.
The model utility content
The utility model provides a kind of connection set and motor car engine of engine bonnet, to address the deficiencies of the prior art, prevents that engine bonnet from getting loose, and eliminates abnormal sound.
The utility model provides a kind of connection set of engine bonnet, wherein, comprising:
Clamping bolt, on described clamping bolt, fixed cover is provided with flange, and described flange is supported in the side of described bolt head near screw rod;
Lining is set in outside the screw rod of described clamping bolt, and the longitudinal cross-section of described lining is I-shaped;
Snubber block, fixed cover are located at the outside of described lining.
The connection set of engine bonnet as above, wherein, preferably: the height of described snubber block higher than in described lining two ends along between height.
The connection set of engine bonnet as above, wherein, preferably: be provided with the projection that a plurality of and described clamping bolt is supported on the internal face of described lining, described a plurality of projections circumferentially evenly arrange along described lining.
The connection set of engine bonnet as above, wherein, preferably: the quantity of described projection is three.
The connection set of engine bonnet as above, wherein, preferably: described snubber block is damping rubber block.
The connection set of engine bonnet as above, wherein, preferably: the material of described damping rubber block is second rosickyite rubber or neoprene.
The connection set of engine bonnet as above, wherein, preferably: the material of described lining is aluminium or steel.
The utility model also provides a kind of motor car engine, comprise engine bonnet and valve chamber cover, wherein, the connection set that also comprises the engine bonnet that the utility model provides, described snubber block is arranged in the matching hole that engine hood covers setting, and described clamping bolt passes the tapped hole that described cyclinder head cover covers described engine bonnet and described valve chamber cover are fixed.
Motor car engine as above, wherein, preferably: described motor is provided with the connection set of one to four described engine bonnet.
Motor car engine as above, wherein, preferably: the connection set of described engine bonnet is four, is distributed in four jiaos of described engine bonnet.
The connection set of the engine bonnet that the utility model provides and motor car engine are come connecting engine cover cap and valve chamber cover by clamping bolt, the vibration that lining comes the substantially horizontal of limiting engine cover cap is set between clamping bolt and snubber block, compared with prior art, eliminate abnormal sound, reduced vibration.
Description of drawings
The connection set structural plan schematic diagram of the engine bonnet that Fig. 1 provides for the utility model embodiment;
The connection set structure sectional view of the engine bonnet that Fig. 2 provides for the utility model embodiment;
The connection set of engine bonnet and the connection diagram of engine bonnet in the motor that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the decomposition view of Fig. 3.
Embodiment
The connection set structure sectional view of the engine bonnet that the connection set structural plan schematic diagram of the engine bonnet that Fig. 1 provides for the utility model embodiment, Fig. 2 provide for the utility model embodiment.The engine hood closure attachment means 1 that the utility model embodiment provides comprises clamping bolt 11, lining 12 and snubber block 13, wherein, be arranged with flange 14 on clamping bolt 11, this flange 14 is supported a side of close screw rod on the head of clamping bolt 11, as depicted in figs. 1 and 2, flange 14 can be weldingly fixed on clamping bolt 11.Lining 12 is set in the screw rod outside of clamping bolt 11, and the longitudinal cross-section of this lining 12 is I-shaped; Snubber block 13 fixed covers are located at the outside of lining 12.The external frame of snubber block 13 is not done concrete restriction at this, is complementary as long as cover with engine hood the matching hole of offering, and can snap in this matching hole to get final product.
When engine bonnet and valve chamber cover are fixed, first the snubber block 13 that is nested together and lining 12 are snapped in the matching hole that engine hood covers setting, again clamping bolt 11 is passed the tapped hole that matching hole, lining 12 and cyclinder head cover that engine hood covers cover, tighten clamping bolt 11.
Preferably, the height H 2 that snubber block 13 is set higher than in lining 12 two ends along between height H 1.The free height when height of this snubber block 13 refers to that snubber block 13 is not extruded.Along with tightening gradually of clamping bolt 11, flange 14 extruding snubber blocks 13, lining 12 withstands on cyclinder head cover and covers.
In order to guarantee the decrement of snubber block 13, in the height H 2 that snubber block 13 can be set and lining 12 two ends, the height H 1 on edge, both differ 0.5mm, 1.0mm or 1.5mm.
The connection set of the engine bonnet that the present embodiment provides has reduced the gap between snubber block 13 and clamping bolt 11 by lining 12 is set, and defines to a certain extent engine bonnet vibration in the horizontal direction.Simultaneously, the mode of bolt tightening has limited moving up and down of engine bonnet, has further eliminated the loosening situation of engine bonnet.
Further, be provided with a plurality of projections 15 of supporting mutually with clamping bolt 11 on the internal face of lining 12, a plurality of protruding 15 circumferentially being evenly arranged along lining 12.In actual applications, the quantity that this projection 15 is set is three, mainly plays the effect of location, further clamps clamping bolt 11, has limited engine bonnet vibration in the horizontal direction.
In the present embodiment, the material of snubber block 13 is preferably has elastic damping material high temperature resistant, ageing-resistant performance, as second rosickyite rubber (EPDM) or neoprene common in prior art.
Further, the material of lining 12 can aluminium or Steel material, closely connects together with snubber block 13.
The connection set of the engine bonnet that the utility model embodiment provides comes connecting engine cover cap and valve chamber cover by clamping bolt, the vibration that lining comes the substantially horizontal of limiting engine cover cap is set between clamping bolt and snubber block, compared with prior art, eliminate abnormal sound, reduced vibration.
The connection set of engine bonnet and the connection diagram of engine bonnet in the motor that Fig. 3 provides for the utility model embodiment, Fig. 4 is the decomposition view of Fig. 3.The utility model embodiment provides a kind of motor, comprise engine bonnet 2 and valve chamber cover (not shown), the connection set 1 that also comprises the engine bonnet that the utility model any embodiment provides, as shown in Figure 3 and Figure 4, snubber block 13 is arranged on engine bonnet 2 in the matching hole 21 that arranges, and clamping bolt 11 passes the tapped hole (not shown) that cyclinder head cover covers engine bonnet 2 and valve chamber cover are fixed.
In actual applications, means of fixation between engine bonnet 2 and valve chamber cover has multiple, a kind of implementation is same as the prior art, four jiaos at engine bonnet 2 arrange four points of connection, one of them tie point is to utilize existing oil filter cap 23, as shown in Figure 4, will add machine oil lid assembly 22 and be fastenedly connected a little as one, the connection set 1 of the engine bonnet that in its excess-three tie point, at least one employing the utility model provides.Thereby, in four points of connection, have two tie points at least for being fastenedly connected, limit the degrees of freedom that engine bonnet 2 vibrates in the horizontal direction, thereby avoided the loosening and abnormal sound of engine bonnet 2.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. the connection set of an engine bonnet, is characterized in that, comprising:
Clamping bolt, on described clamping bolt, fixed cover is provided with flange, and described flange is supported in the side of described bolt head near screw rod;
Lining is set in outside the screw rod of described clamping bolt, and the longitudinal cross-section of described lining is I-shaped;
Snubber block, fixed cover are located at the outside of described lining.
2. the connection set of engine bonnet according to claim 1 is characterized in that: the height of described snubber block higher than in described lining two ends along between height.
3. the connection set of engine bonnet according to claim 1 is characterized in that: be provided with the projection that a plurality of and described clamping bolt is supported on the internal face of described lining, described a plurality of projections circumferentially evenly arrange along described lining.
4. the connection set of engine bonnet according to claim 3, it is characterized in that: the quantity of described projection is three.
5. the connection set of engine bonnet according to claim 1, it is characterized in that: described snubber block is damping rubber block.
6. the connection set of engine bonnet according to claim 5, it is characterized in that: the material of described damping rubber block is second rosickyite rubber or neoprene.
7. the connection set of engine bonnet according to claim 5, it is characterized in that: the material of described lining is aluminium or steel.
8. motor car engine, comprise engine bonnet and valve chamber cover, it is characterized in that, the connection set that also comprises the arbitrary described engine bonnet of claim 1-7, described snubber block is arranged in the matching hole that engine hood covers setting, and described clamping bolt passes the tapped hole that described cyclinder head cover covers described engine bonnet and described valve chamber cover are fixed.
9. motor car engine according to claim 8, it is characterized in that: described motor is provided with the connection set of one to four described engine bonnet.
10. motor car engine according to claim 9, it is characterized in that: the connection set of described engine bonnet is four, is distributed in four jiaos of described engine bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735202 CN203009478U (en) | 2012-12-27 | 2012-12-27 | Connecting device of engine hood cover and automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735202 CN203009478U (en) | 2012-12-27 | 2012-12-27 | Connecting device of engine hood cover and automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203009478U true CN203009478U (en) | 2013-06-19 |
Family
ID=48601075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735202 Expired - Fee Related CN203009478U (en) | 2012-12-27 | 2012-12-27 | Connecting device of engine hood cover and automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203009478U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676190A (en) * | 2017-10-31 | 2018-02-09 | 广西玉柴机器股份有限公司 | A kind of mounting structure of valve mechanism cover |
| CN115013419A (en) * | 2022-06-28 | 2022-09-06 | 岚图汽车科技有限公司 | Combined gasket, mounting assembly and vehicle |
-
2012
- 2012-12-27 CN CN 201220735202 patent/CN203009478U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676190A (en) * | 2017-10-31 | 2018-02-09 | 广西玉柴机器股份有限公司 | A kind of mounting structure of valve mechanism cover |
| CN115013419A (en) * | 2022-06-28 | 2022-09-06 | 岚图汽车科技有限公司 | Combined gasket, mounting assembly and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20201227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |