CN207687314U - Gear chamber cover cover connector system - Google Patents
Gear chamber cover cover connector system Download PDFInfo
- Publication number
- CN207687314U CN207687314U CN201721695999.1U CN201721695999U CN207687314U CN 207687314 U CN207687314 U CN 207687314U CN 201721695999 U CN201721695999 U CN 201721695999U CN 207687314 U CN207687314 U CN 207687314U
- Authority
- CN
- China
- Prior art keywords
- gear chamber
- hold
- hole
- down bolt
- shock absorbing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of gear chamber cover cover connector systems, including housing ontology, one end of the housing ontology is equipped with shock-damping structure, it passes through to be equipped on the housing ontology and compresses it the hold-down bolt in gear chamber, the elastic compaction mechanism for separating the two is equipped between the hold-down bolt and the housing ontology.The utility model it is reasonable for structure, can effectively reduce the vibration that internal combustion engine passes to gear chamber housing from gear chamber, reduce the radiated noise of gear chamber cap surface, to reduce the noise of internal combustion engine complete machine, reduce the noise pollution of internal combustion engine.
Description
Technical field
The utility model is related to IC Engine Design technical fields, more specifically, it relates to which a kind of gear chamber housing connects
Device.
Background technology
Gear chamber housing is mounted in the clamshell class part of internal combustion engine gear chamber front end face, before effect is closed gear room
End forms a complete gear chamber inner cavity.
Connection method between traditional gear chamber housing and gear chamber is：Directly with bolt by gear chamber housing and its pad
Piece, which is tightened, is installed to gear chamber front end face, is that metal directly contacts with each other between gear chamber and gear chamber housing, gear chamber is shaken
Dynamic directly to pass to gear chamber housing by installation bolt, gasket, the judder excitation that gear chamber passes over makes tooth
Engineer room housing accordingly follows vibration, generates stronger radiated noise so as to cause gear chamber cap surface, gear chamber housing has become
For one of maximum noise source of internal combustion engine.
Utility model content
The technical problems to be solved in the utility model is the above-mentioned deficiency for the prior art, and the purpose of this utility model is
Provide the few gear chamber cover cover connector system of a kind of good damping effect, noise pollution.
To achieve the above object, the utility model provides a kind of gear chamber cover cover connector system, including housing ontology, institute
The one end for stating housing ontology is equipped with shock-damping structure, passes through on the housing ontology to be equipped with and compresses it the compression spiral shell in gear chamber
Bolt is equipped with the elastic compaction mechanism for separating the two between the hold-down bolt and the housing ontology.
Further, the hold-down bolt include be arranged front end spiro rod section and the screw head in rear end, institute are set
The middle part for stating hold-down bolt is equipped with a positioning section, and the front end protrusion of the positioning section is equipped with the convex inconsistent with gear chamber
Edge, the elastic compaction mechanism include being arranged on the positioning section of the hold-down bolt by hold-down bolt and housing ontology
One end protrusion of the shock absorbing bushing separated, the shock absorbing bushing is equipped with the limit convex edge being adapted with the screw head.
Further, the housing ontology is equipped with through-hole corresponding with the threaded hole of gear chamber, the bullet
Property compressing structure be arranged between the hold-down bolt and the through-hole.
As a further improvement, the convex of the hold-down bolt is described along the hole wall gap setting with the through-hole
The periphery of shock absorbing bushing and the hole wall of the through-hole are adapted, and the outer diameter of the shock absorbing bushing is more than the convex edge
Diameter.
Further, the outer diameter of the shock absorbing bushing is less than the diameter of the through-hole, at the aperture of the through-hole radially
Direction protrusion is equipped with the protrusion adaptable with the periphery of the shock absorbing bushing.
Further, the screw head is equipped with the limit convex on the shock absorbing bushing along adaptable flange face knot
Structure, limit convex on the shock absorbing bushing along with gasket is equipped between the housing ontology.
Further, the shock absorbing bushing is rubber structure.
It is improved as further, the shock-damping structure includes that subtracting between the housing ontology and gear chamber is arranged
Shake pad, on the connecting end surface of the housing ontology in be recessed with groove, the beam protrude above equipped with and the groove phase
The holding section of adaptation.
Advantageous effect
Compared with prior art, the gear chamber cover cover connector system of the utility model has the beneficial effect that：This practicality is new
The gear chamber cover cover connector system of type, reasonable design are good using operative weldability；Internal combustion engine can effectively be reduced from gear
Room passes to the vibration of gear chamber housing, reduces the radiated noise of gear chamber cap surface, to reduce internal combustion engine complete machine
Noise, reduce the noise pollution of internal combustion engine；Sealing effect is good, reduces noise, effectively reduces the vibration amplitude of gear chamber housing.
Description of the drawings
Fig. 1 is the partial sectional view of the gear chamber cover cover connector system of the utility model.
In figure：1, housing ontology；2, gear chamber；3, hold-down bolt；301, spiro rod section；302, screw head；303, positioning section；
304, convex edge；305, flange structure；4, shock-damping structure；401, beam；402, groove；403, holding section；5, damping
Bushing；6, limit convex edge；7, gasket；8, through-hole；9, threaded hole.
Specific implementation mode
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
Novel protection domain is not restricted by specific implementation.
Specific embodiment of the present utility model is such：As shown in Figure 1, a kind of gear chamber cover cover connector system, packet
Include housing ontology 1, one end of housing ontology 1 is equipped with shock-damping structure 4, passes through to be equipped on housing ontology 1 and compresses it in gear chamber 2
On hold-down bolt 3, the elastic compaction mechanism that separates the two is equipped between hold-down bolt 3 and housing ontology 1.Gear chamber is installed
When housing, connected come transition using the shock-damping structure of elastic rubber material 4 between housing ontology 1 and gear chamber 2, it can be effectively
The vibration that internal combustion engine passes to gear chamber housing from gear chamber is reduced, the radiated noise of gear chamber cap surface is reduced, from
And the noise of internal combustion engine complete machine is reduced, reduce the noise pollution of internal combustion engine；And hold-down bolt 3 can effectively with housing ontology 1
Between setting elastic compaction mechanism be isolated, avoid contacting or colliding between the two, gear chamber 2 and hold-down bolt 3 shake
When dynamic, shaking force will not be directly delivered to housing ontology 1 and substantially reduced after the attenuating of elastic compaction mechanism
The vibrations of gear chamber housing and the noise sent out reduce noise pollution and improve the service life of engine, help to improve engine
Overall performance；Reasonable design is good using operative weldability.
In the present embodiment, hold-down bolt 3 include be arranged front end spiro rod section 301 and the screw head in rear end is set
302, the middle part of hold-down bolt 3 is equipped with a positioning section 303, and the front end protrusion of positioning section 303 is equipped with and gear chamber 2 is inconsistent determines
Position convex edge 304, elastic compaction mechanism include being arranged on the positioning section 303 of hold-down bolt 3 by hold-down bolt 3 and housing
The shock absorbing bushing 5 that ontology 1 separates, one end protrusion of shock absorbing bushing 5 are equipped with the limit convex being adapted with screw head 302 along 6, screw rod
First 302 are pressed on housing ontology 1 using the limit convex of shock absorbing bushing 5 along 6, and housing ontology 1 is pressed on gear by shock-damping structure 4
When on room 2, meanwhile, convex is pressed on along 304 in gear chamber 2, is ensured that the installation of hold-down bolt 3 is accurate, is ensured hold-down bolt 3
In shock absorbing bushing 5 be in compressive state, by shock absorbing bushing 5, shock-damping structure 4 dual shock absorption under, damping effect is apparent, greatly
Reduce engine noise greatly.
In the present embodiment, housing ontology 1 is equipped with through-hole 8 corresponding with the threaded hole 9 of gear chamber 2, elastic compression
Structure setting is used for damping, has multiple through-holes 8, gear chamber on the mounting surface of housing ontology 1 between hold-down bolt 3 and through-hole 8
Housing through-hole 8 is circular through-hole structure, is connected firmly.
In the present embodiment, the convex of hold-down bolt 3 is along 304 and the hole wall gap setting of through-hole 8, shock absorbing bushing 5
The hole wall of periphery and through-hole 8 is adapted, and the outer diameter of shock absorbing bushing 5 is more than convex along 304 diameter；Ensure convex
It does not contact or collides with housing ontology 1 along 304, reasonable in design and compact, shock-damping structure is simple, and effect is good；Damping serves as a contrast
The outer diameter of set 5 is less than the diameter of through-hole 8, and what is radially protruded at the aperture of through-hole 8 is equipped with the periphery with shock absorbing bushing 5
Adaptable protrusion ensures that shock absorbing bushing 5 installs accurate positioning.
In the present embodiment, screw head 302 is equipped with the limit convex on shock absorbing bushing 5 along 6 adaptable flange face knots
Structure 305, the limit convex on shock absorbing bushing 5 are equipped with gasket 7 between 6 and housing ontology 1, and shock absorbing bushing 5 is rubber structure, is put down
Washer is deformable sheet metal structure, is adapted along 6 with the limit convex of shock absorbing bushing 5, convenient for housing ontology 1 is pressed on tooth
In engineer room 2.
In the present embodiment, shock-damping structure 4 includes the beam 401 being arranged between housing ontology 1 and gear chamber 2,
Groove 402 is recessed on the connecting end surface of housing ontology 1, beam 401 is protruded above to be engaged equipped with compatible with groove 402
Portion 403, it is firm that beam 401 is connect with housing ontology 1, it is not easy to detach, be assembled convenient for housing ontology 1 and gear chamber 2.Housing
The mounting surface on 1 periphery of ontology is equipped with the groove 402 for installing beam 401, and the depth of groove 402 is 3~11mm；Its
In, beam 401 is manufactured using elastic rubber material, moves towards to design with the shape with the groove 402 on gear chamber housing, beam
401 cross section is T-type or L-type or rectangle, and sealing effect is good, reduces noise, and the holding section 403 in groove 402 also has
Cushioning effect effectively reduces the vibration amplitude of housing ontology 1.
When assembly：Beam 401 is first installed into the inside of the groove 402 on gear chamber housing, then by housing ontology 1 and its
Beam 401 is covered together on 2 front end face of gear chamber, ensures the threaded hole 9 and gear chamber housing through-hole 8 of 2 front end face of gear chamber
Centering；Then, hold-down bolt 3 is passed through into the through-hole 8 on gear chamber housing, and in the threaded hole 9 being screwed into gear chamber；Then,
Locking installation hold-down bolt 3, until the convex on hold-down bolt 3 is compressed along 304 end face with 2 front end face of gear chamber,
Assembling process can be completed.Also, all in compressive state, compression ratio is 10~42% for beam 401 and shock absorbing bushing 5；And
And be not in direct contact between 1 mounting surface of 2 front end face of gear chamber and housing ontology, there are the fit-up gaps of 0.5~3mm.Ensure
The damping noise reduction effect of this gear chamber cover cover connector system.
Above are merely preferred embodiments of the utility model, it should be pointed out that for those skilled in the art,
Under the premise of not departing from the utility model structure, several modifications and improvements can also be made, it is new that these all do not interfere with this practicality
The effect and patent practicability that type is implemented.
Claims (8)
1. a kind of gear chamber cover cover connector system, including housing ontology (1), which is characterized in that one end of the housing ontology (1)
Equipped with shock-damping structure (4), across equipped with compressing it the hold-down bolt (3) in gear chamber (2) on the housing ontology (1),
The elastic compaction mechanism for separating the two is equipped between the hold-down bolt (3) and the housing ontology (1).
2. gear chamber cover cover connector system according to claim 1, which is characterized in that the hold-down bolt (3) includes
Be arranged front end spiro rod section (301) and the screw head (302) in rear end is set, the middle part of the hold-down bolt (3) is equipped with one
The front end protrusion of positioning section (303), the positioning section (303) is equipped with the convex inconsistent with gear chamber (2) along (304), institute
The elastic compaction mechanism stated be included in be arranged on the positioning section (303) of the hold-down bolt (3) by hold-down bolt (3) with lid
One end protrusion of the shock absorbing bushing (5) that cover body (1) separates, the shock absorbing bushing (5) is equipped with and described screw head (302) phase
The limit convex of adaptation is along (6).
3. gear chamber cover cover connector system according to claim 2, which is characterized in that set on the housing ontology (1)
There are through-hole (8) corresponding with threaded hole (9) of gear chamber (2), the elastic compaction mechanism to be arranged in the hold-down bolt
(3) between the through-hole (8).
4. gear chamber cover cover connector system according to claim 3, which is characterized in that the positioning of the hold-down bolt (3)
The hole wall gap setting of convex edge (304) and the through-hole (8), the hole of the periphery and the through-hole (8) of the shock absorbing bushing (5)
Wall is adapted, and the outer diameter of the shock absorbing bushing (5) is more than diameter of the convex along (304).
5. gear chamber cover cover connector system according to claim 4, which is characterized in that the outer diameter of the shock absorbing bushing (5)
Less than the diameter of the through-hole (8), what is radially protruded at the aperture of the through-hole (8) is equipped with and the shock absorbing bushing
(5) the adaptable protrusion of periphery.
6. according to the gear chamber cover cover connector system described in claim 2-5 any one, which is characterized in that the screw head
(302) it is equipped with the flange structure (305) being adapted along (6) with the limit convex on the shock absorbing bushing (5), in the damping
Limit convex on bushing (5) is equipped with gasket (7) between (6) and the housing ontology (1).
7. gear chamber cover cover connector system according to claim 6, which is characterized in that the shock absorbing bushing (5) is rubber
Structure.
8. gear chamber cover cover connector system according to claim 6, which is characterized in that the shock-damping structure (4) includes setting
The beam (401) between the housing ontology (1) and gear chamber (2) is set, on the connecting end surface of the housing ontology (1)
It is inside recessed with groove (402), the beam (401) protrudes above equipped with the compatible holding section with the groove (402)
(403)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721695999.1U CN207687314U (en) | 2017-12-08 | 2017-12-08 | Gear chamber cover cover connector system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721695999.1U CN207687314U (en) | 2017-12-08 | 2017-12-08 | Gear chamber cover cover connector system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687314U true CN207687314U (en) | 2018-08-03 |
Family
ID=62996535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721695999.1U Expired - Fee Related CN207687314U (en) | 2017-12-08 | 2017-12-08 | Gear chamber cover cover connector system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687314U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842601A (en) * | 2017-12-08 | 2018-03-27 | 广西玉柴机器股份有限公司 | Gear chamber cover cover connector system |
| CN110630724A (en) * | 2019-09-30 | 2019-12-31 | 潍柴动力股份有限公司 | Rubber gear and rubber gear water pump assembly |
-
2017
- 2017-12-08 CN CN201721695999.1U patent/CN207687314U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842601A (en) * | 2017-12-08 | 2018-03-27 | 广西玉柴机器股份有限公司 | Gear chamber cover cover connector system |
| CN107842601B (en) * | 2017-12-08 | 2024-02-09 | 广西玉柴机器股份有限公司 | Gear chamber cover connecting device |
| CN110630724A (en) * | 2019-09-30 | 2019-12-31 | 潍柴动力股份有限公司 | Rubber gear and rubber gear water pump assembly |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20211208 |