CN209800993U - Diesel engine flywheel housing with gear mounting chamber cover - Google Patents
Diesel engine flywheel housing with gear mounting chamber cover Download PDFInfo
- Publication number
- CN209800993U CN209800993U CN201920302378.5U CN201920302378U CN209800993U CN 209800993 U CN209800993 U CN 209800993U CN 201920302378 U CN201920302378 U CN 201920302378U CN 209800993 U CN209800993 U CN 209800993U
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- China
- Prior art keywords
- fastening bolt
- wall
- gear
- sleeve
- screw hole
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- 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
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- General Details Of Gearings (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a diesel engine flywheel housing with a gear mounting chamber cover in the technical field of internal combustion engines, which comprises a flywheel housing, a gear chamber, a first threaded hole and a cover, wherein the left wall of the cover is provided with a second threaded hole, the hole center lines of the first threaded hole and the second threaded hole are the same, the threads of the first threaded hole and the second threaded hole are opposite, the left wall of the cover is clamped with a fastening bolt, one end of the fastening bolt penetrates through the outer wall of the cover, one end of the fastening bolt is meshed with the first threaded hole, the inner cavity of the second threaded hole is screwed with a sleeve, the inner cavity of the sleeve is clamped with a clamping sleeve, the inner wall of the clamping sleeve is clamped with a nut of the fastening bolt, the loosening and rotating direction of the fastening bolt in the device is the loosening and rotating direction of the sleeve, the loosening and rotating direction of the sleeve is the loosening and rotating direction of the sleeve, thereby avoiding the, the radiation noise generated on the surface of the gear chamber cover is avoided.
Description
Technical Field
The utility model discloses a take diesel engine flywheel shell of gear installation room housing specifically is internal-combustion engine technical field.
background
The gear chamber cover is a shell cover type part arranged on the front end face of the gear chamber of the internal combustion engine and is used for sealing the front end of the gear chamber to form a complete gear chamber inner cavity. The traditional method for connecting the gear chamber cover and the gear chamber comprises the following steps: directly screw up gear room housing and gasket with the bolt and install terminal surface before the gear room, be the direct contact of each other of metal between gear room and the gear room housing, the vibration of gear room can be directly through the construction bolt, the gasket transmits for the gear room housing, the strong vibration excitation that the gear room transmitted to come makes the corresponding vibration of following of gear room housing, long-time vibration can lead to fastening bolt's not hard up, then lead to the corresponding vibration of following of gear room housing, thereby arouse gear room housing surface to produce stronger radiation noise.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a take diesel engine flywheel shell of gear installation room housing to the strong vibration excitation that the gear room transmission of proposing among the above-mentioned background art was come makes the corresponding vibration of following of gear room housing, and long-time vibration can lead to fastening bolt's not hard up, leads to the corresponding vibration of following of gear room housing then, thereby arouses the problem that gear room housing surface produced stronger radiation noise.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take diesel engine flywheel shell of gear installation room housing, includes flywheel shell, gear room, first screw hole and housing, the left wall of flywheel shell is connected with the right wall of gear room, first screw hole is located the left wall of gear room, the left wall of housing is opened there is the second screw hole, the hole heart line of first screw hole and second screw hole is the same, the screw thread of first screw hole and second screw hole is opposite, the left wall joint of housing has fastening bolt, fastening bolt's one end runs through the outer wall of housing, fastening bolt's one end and first screw hole meshing, the inner chamber spiro union of second screw hole has the sleeve, telescopic inner chamber joint has the cutting ferrule, the inner wall of cutting ferrule and fastening bolt's nut joint.
Preferably, the fastening bolt's nut outer wall circumference evenly opens there is the draw-in groove, the inner wall circumference of cutting ferrule evenly opens there is the fixture block, fixture block and draw-in groove joint.
Preferably, the clamping blocks and the clamping grooves are all hemispherical.
Preferably, the outer wall of the fastening bolt is sleeved with a damping bushing.
preferably, the gear chamber and the flywheel housing are cast and integrally formed.
Compared with the prior art, the beneficial effects of the utility model are that: this device has the screwed sleeve at the outer wall spiro union of housing, and telescopic screw thread is opposite with fastening bolt's screw thread, install on fastening bolt's nut through the cutting ferrule with sleeve inner chamber, make cutting ferrule and fastening bolt's nut joint, fastening bolt not hard up pivoted direction is sleeve fastening pivoted direction, fastening bolt fastening pivoted direction is sleeve not hard up pivoted direction, avoided then vibrating to arouse fastening bolt's not hard up, make the gear room shroud not follow the vibration, gear room shroud surface has been avoided producing radiation noise.
drawings
FIG. 1 is a schematic front sectional view of a flywheel housing according to the present invention;
FIG. 2 is a front view of the fastening bolt of the present invention;
FIG. 3 is a front view of the sleeve of the present invention;
FIG. 4 is a front cross-sectional view of the sleeve of the present invention;
Fig. 5 is the left-side view schematic diagram of the cutting sleeve of the utility model.
In the figure: 100 flywheel housing, 200 gear chamber, 210 first threaded hole, 300 cover, 310 second threaded hole, 400 fastening bolt, 410 clamping groove, 420 damping bushing, 500 sleeve, 510 clamping sleeve and 511 clamping block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a diesel engine flywheel shell with gear installation chamber cover, which avoids the looseness of fastening bolt caused by vibration, so that the gear chamber cover does not follow the vibration, and avoids the radiation noise generated on the surface of the gear chamber cover, please refer to fig. 1, comprising a flywheel shell 100, a gear chamber 200, a first threaded hole 210 and a cover 300, wherein the left wall of the flywheel shell 100 is connected with the right wall of the gear chamber 200, and the first threaded hole 210 is positioned on the left wall of the gear chamber 200;
Referring to fig. 1 again, the left wall of the cap 300 is provided with a second threaded hole 310, the center lines of the first threaded hole 210 and the second threaded hole 310 are the same, the threads of the first threaded hole 210 and the second threaded hole 310 are opposite, the second threaded hole 310 is used for installing the hexagonal sleeve 500 with threads, and the threads of the first threaded hole 210 and the second threaded hole 310 are opposite, so that the loosening direction of the sleeve 500 is opposite to the loosening direction of the fastening bolt 400;
Referring to fig. 1 and 2, a fastening bolt 400 is fastened to a left wall of the cover 300, one end of the fastening bolt 400 penetrates through an outer wall of the cover 300, one end of the fastening bolt 400 is engaged with the first threaded hole 210, and the fastening bolt 400 is used for connecting the cover 300 and the gear chamber 200;
referring to fig. 1, 3, 4 and 5, a sleeve 500 is screwed into an inner cavity of the second threaded hole 310, a cutting ferrule 510 is clamped into the inner cavity of the sleeve 500, an inner wall of the cutting ferrule 510 is clamped with a nut of the fastening bolt 400, and the sleeve 500 is used for fixing the cutting ferrule 510, so that the cutting ferrule 510 does not loosen with the fastening bolt 400 and rotates along with the fastening bolt;
In specific use, a person skilled in the art installs the gear in the inner cavity of the gear chamber 200, connects the cover 300 to the outer wall of the gear chamber 200 through the fastening bolt 400 and the first thread 210, screws the sleeve 500 with the ferrule 510 into the second thread hole 310 on the cover 300, and snaps the ferrule 510 to the outer wall of the nut of the fastening bolt 400 through impact or the like.
Referring to fig. 1, 2 and 5, the fastening bolt 400 has clamping grooves 410 uniformly formed on the circumference of the outer wall of the nut, the clamping sleeve 510 has clamping blocks 511 uniformly formed on the circumference of the inner wall, the clamping blocks 511 are clamped with the clamping grooves 410, so that the clamping sleeve 510 is prevented from leaving the nut of the fastening bolt 400 due to vibration or shaking, and the stability of the nut connection between the clamping sleeve 510 and the fastening bolt 400 is improved by clamping the clamping blocks 511 and the clamping grooves 410;
referring to fig. 1, 2 and 5 again, the fixture blocks 511 and the locking grooves 410 are hemispherical, so as to reduce the contact area between the fixture blocks 511 and the nut of the fastening bolt 400, and facilitate the installation of the clamping sleeve 510 on the outer wall of the nut of the fastening bolt 400;
Referring to fig. 1, the outer wall of the fastening bolt 400 is sleeved with a damping bushing 420, so as to reduce the influence of the vibration of the gear chamber 200 on the fastening bolt 400;
the gear chamber 200 and the flywheel housing 100 are integrally formed by casting, so that secondary installation of the gear chamber 200 is avoided, a gluing and sealing process in the process is eliminated, the performance is more stable, and faults such as sealing and leakage are eliminated.
While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. the utility model provides a take diesel engine flywheel shell of gear installation room housing which characterized in that: including flywheel housing (100), gear room (200), first screw hole (210) and cover (300), the left wall of flywheel housing (100) is connected with the right wall of gear room (200), first screw hole (210) are located the left wall of gear room (200), the left wall of cover (300) is opened there is second screw hole (310), the hole heart line of first screw hole (210) and second screw hole (310) is the same, the screw thread of first screw hole (210) and second screw hole (310) is opposite, the left wall joint of cover (300) has fastening bolt (400), the outer wall of cover (300) is run through to the one end of fastening bolt (400), the one end and the first screw hole (210) meshing of fastening bolt (400), the inner chamber spiro union of second screw hole (310) has sleeve (500), the inner chamber joint of sleeve (500) has cutting ferrule (510), the inner wall of the clamping sleeve (510) is clamped with a nut of the fastening bolt (400).
2. A diesel engine flywheel housing with a gear mounting chamber cover according to claim 1, characterized in that: clamping grooves (410) are uniformly formed in the circumference of the outer wall of a nut of the fastening bolt (400), clamping blocks (511) are uniformly formed in the circumference of the inner wall of the clamping sleeve (510), and the clamping blocks (511) are clamped with the clamping grooves (410).
3. A diesel engine flywheel housing with a gear mounting chamber cover according to claim 2, characterized in that: the fixture block (511) and the clamping groove (410) are both hemispherical.
4. A diesel engine flywheel housing with a gear mounting chamber cover according to claim 1, characterized in that: and the outer wall of the fastening bolt (400) is sleeved with a damping bushing (420).
5. A diesel engine flywheel housing with a gear mounting chamber cover according to claim 1, characterized in that: the gear chamber (200) and the flywheel shell (100) are cast and integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920302378.5U CN209800993U (en) | 2019-03-11 | 2019-03-11 | Diesel engine flywheel housing with gear mounting chamber cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920302378.5U CN209800993U (en) | 2019-03-11 | 2019-03-11 | Diesel engine flywheel housing with gear mounting chamber cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800993U true CN209800993U (en) | 2019-12-17 |
Family
ID=68824300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920302378.5U Expired - Fee Related CN209800993U (en) | 2019-03-11 | 2019-03-11 | Diesel engine flywheel housing with gear mounting chamber cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819344A (en) * | 2021-09-29 | 2021-12-21 | 广西玉柴机器股份有限公司 | Flywheel connecting disc with protection device |
-
2019
- 2019-03-11 CN CN201920302378.5U patent/CN209800993U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819344A (en) * | 2021-09-29 | 2021-12-21 | 广西玉柴机器股份有限公司 | Flywheel connecting disc with protection device |
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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: 20191217 Termination date: 20210311 |