CN214744011U - Crankcase ventilation pipe connection structure - Google Patents
Crankcase ventilation pipe connection structure Download PDFInfo
- Publication number
- CN214744011U CN214744011U CN202121116176.5U CN202121116176U CN214744011U CN 214744011 U CN214744011 U CN 214744011U CN 202121116176 U CN202121116176 U CN 202121116176U CN 214744011 U CN214744011 U CN 214744011U
- Authority
- CN
- China
- Prior art keywords
- ventilation pipe
- limiting
- crankcase
- interface
- ventilation
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 170
- 238000007789 sealing Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 241000561734 Celosia cristata Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
Images
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a crankcase ventilation pipe connecting structure applied to the technical field of automobile engine crankcases, one end of a ventilation pipe body (1) of the crankcase ventilation pipe connecting structure is provided with a ventilation pipe limiting end (3), the ventilation pipe limiting end (3) comprises a plurality of limiting strips (4) which are arranged according to gaps, the outer surface of each limiting strip (4) is provided with a limiting tooth (5) which extends outwards, a ventilation pipe interface (6) is arranged on a cylinder cover (2), and the ventilation pipe body (1) is inserted in the ventilation pipe interface (6) through the ventilation pipe limiting end (3). Effectively meeting the working requirement of the engine.
Description
Technical Field
The utility model belongs to the technical field of the automobile engine crankcase, more specifically say, relate to a crankcase ventilation pipe connection structure.
Background
The connection of the crankcase ventilation duct is an important part of the crankcase of the engine, and the reliability of the connection is related to the overall performance of the engine. The connecting mode of the automobile crankcase ventilation pipe in the prior art is mostly modes such as hoop connection, quick-plug connection and threaded connection. In the existing connection mode, the hoop connection of the crankcase ventilation pipe needs a special tool for assembly, and the working hours are consumed; the quick insertion connection of the crankcase ventilation pipe needs to match the quick insertion pipes at two ends of the nylon pipe, so that the cost is high; the threaded connection of the crankcase ventilation pipe has higher requirements on the injection molding process of the cylinder head cover and the like, and the product percent of pass is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the crankcase ventilation pipe connecting structure has the advantages that the structure is simple, the connection between the crankcase ventilation pipe and the cylinder cover can be conveniently and quickly realized, the connection efficiency is improved, the installation time and the labor intensity are reduced, the crankcase ventilation pipe cannot fall off after being connected, the sealing performance is guaranteed, and the working requirements of an engine are effectively met.
To solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to a crankcase ventilation pipe connection structure, including the ventilation pipe body, ventilation pipe body one end sets up the spacing end of ventilation pipe, and the spacing end of ventilation pipe includes that the multichannel is arranged according to the clearance, and the spacing surface of per pass sets up the spacing tooth that extends to the outside, and the cylinder cap covers and sets up the ventilation pipe interface, and the ventilation pipe body passes through the spacing end cartridge of ventilation pipe in the ventilation pipe interface.
And a sealing ring is sleeved at the position of the vent pipe body, which is close to the vent pipe limiting end.
The joint of the ventilation pipe is positioned at one end of the inner side of the cylinder head cover and is a joint limiting end surface.
When the ventilation pipe body is inserted into the ventilation pipe connector through the ventilation pipe limiting end, the limiting teeth are arranged to be in a structure capable of being clamped on the limiting end face of the connector.
When the ventilation pipe body is inserted into the ventilation pipe connector through the ventilation pipe limiting end, the sealing ring is arranged to be located in the ventilation pipe connector.
And each limit strip at the limit end of the ventilation pipe of the crankcase ventilation pipe connecting structure and limit teeth on the limit strip are arranged to be L-shaped structures.
The ventilation pipe body is close to the ventilation pipe limit position and is provided with a groove portion which is recessed along the circumference of the ventilation pipe body, and the sealing ring is clamped in the groove portion.
The ventilation pipe interface is set to be of a horn-shaped structure, and the diameter of the section of the interface limiting end face of the end, located at the inner side of the cylinder head cover, of the ventilation pipe interface is set to be smaller than that of the section of the end, located at the outer side of the cylinder head cover, of the ventilation pipe interface.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
crankcase ventilation pipe connection structure, crankcase ventilation pipe cartridge to the ventilation pipe interface in, and during the cartridge, when the spacing end of ventilation pipe passes through the ventilation pipe interface, spacing tooth receives the extrusion of ventilation pipe interface inner wall, spacing piece realizes the shrink, and spacing tooth passes through behind the ventilation pipe interface, the extrusion disappears, spacing tooth resets, at this moment, every spacing tooth clamps respectively and lies in cylinder head cover one end at the ventilation pipe interface, realizes the reliable connection and the spacing of ventilation pipe body, is difficult for droing. In the assembling process, the crankcase ventilation pipe is pushed forcibly to extend into the ventilation pipe interface, and the user hears a click sound, and at the moment, the ventilation pipe body cannot be pulled out forcefully, so that the ventilation pipe body is assembled in place. Above-mentioned structure, the assembly process is simple swift, labour saving and time saving, and whole simple structure can additionally not increase the cost of crankcase. Crankcase ventilation pipe connection structure, simple structure can convenient and fast realize being connected of crankcase ventilation pipe and cylinder head cover, improves connection efficiency, reduces installation time and intensity of labour, connects the back crankcase ventilation pipe moreover and can not take place to drop, the leakproofness also obtains the guarantee, effectively satisfies engine work demand.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of a vent pipe body of a crankcase vent pipe connection structure according to the present invention;
fig. 2 is a schematic structural view of a cylinder head cover of the crankcase ventilation pipe connection structure according to the present invention;
FIG. 3 is a schematic view of the crankcase ventilation tube connecting structure according to the present invention when the ventilation tube body and the cylinder head cover are connected;
in the drawings, the reference numbers are respectively: 1. a vent tube body; 2. a cylinder head cover; 3. a ventilation pipe limiting end; 4. a limiting strip; 5. limiting teeth; 6. a vent pipe interface; 7. a seal ring; 8. an interface limiting end face; 9. and (4) a groove part.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:
as shown in the accompanying drawings 1-3, the utility model relates to a crankcase ventilation pipe connection structure, including ventilation pipe body 1, ventilation pipe body 1 one end sets up the spacing end 3 of ventilation pipe, and the spacing end 3 of ventilation pipe includes spacing 4 that the multichannel was arranged according to the clearance, and 4 surfaces of every lane spacing set up spacing tooth 5 that extend to the outside, set up ventilation pipe interface 6 on the cylinder head cover 2, and ventilation pipe body 1 passes through the spacing end 3 cartridge of ventilation pipe in ventilation pipe interface 6. The above structure provides an improvement to the problems in the prior art. In the ventilation pipe connector is inserted to the crankcase ventilation pipe, and during insertion, when the ventilation pipe limiting end passes through the ventilation pipe connector, the limiting teeth 5 are extruded by the inner wall of the ventilation pipe connector, the limiting strips 4 are contracted, the limiting teeth 5 are extruded to disappear after passing through the ventilation pipe connector, the limiting teeth reset, at the moment, each limiting tooth is clamped at one end of the ventilation pipe connector in the cylinder cover respectively, the reliable connection and the limitation of the ventilation pipe body are realized, and the ventilation pipe body is not easy to fall off. In the assembling process, the crankcase ventilation pipe is pushed forcibly to extend into the ventilation pipe interface, and the user hears a click sound, and at the moment, the ventilation pipe body 1 cannot be pulled out forcefully, so that the ventilation pipe body 1 is assembled in place. Above-mentioned structure, the assembly process is simple swift, labour saving and time saving, and whole simple structure can additionally not increase the cost of crankcase. Crankcase ventilation pipe connection structure, simple structure can convenient and fast realize being connected of crankcase ventilation pipe and cylinder head cover, improves connection efficiency, reduces installation time and intensity of labour, connects the back crankcase ventilation pipe moreover and can not take place to drop, the leakproofness also obtains the guarantee, effectively satisfies engine work demand.
And a sealing ring 7 is sleeved at the position, close to the ventilation pipe limiting end 3, of the ventilation pipe body 1. When the ventilation pipe body 1 is inserted into the ventilation pipe interface 6 through the ventilation pipe limiting end 3, the sealing ring 7 is arranged to be located in the ventilation pipe interface 6. According to the structure, after the ventilation pipe body is installed in place, the sealing ring 7 is located inside the ventilation pipe connector, and the sealing ring is reliably sealed under the mutual extrusion of the ventilation pipe body and the ventilation pipe connector 6, so that air leakage of a joint part is avoided.
The end of the ventilating pipe joint 6, which is positioned at the inner side of the cylinder head cover 2, is a joint limiting end surface 8. When the ventilation pipe body 1 is inserted into the ventilation pipe interface 6 through the ventilation pipe limiting end 3, the limiting teeth 5 are arranged to be in a structure capable of being clamped on the interface limiting end face 8. In the structure, the ventilation pipe limiting end is mutually buckled and connected with the interface limiting end surface (the ventilation pipe interface limiting end) of the cylinder cover, and the limiting teeth act on the interface limiting end surface to prevent the ventilation pipe body from falling off.
Each limit strip 4 of the ventilation pipe limit end 3 of the crankcase ventilation pipe connecting structure and the limit teeth 5 on the limit strip 4 are arranged to be L-shaped structures. According to the structure, after the ventilation pipe body is installed in place, each limit tooth at the limit end of the ventilation pipe is respectively clamped at one end of the ventilation pipe interface, which is located in the cylinder cover, so that reliable connection and limit of the ventilation pipe body are realized, and the ventilation pipe body is not easy to fall off.
The ventilation pipe body 1 is provided with a groove part 9 which is recessed along the circumference of the ventilation pipe body 1 at a position close to the ventilation pipe limiting end 3, and the sealing ring 7 is clamped in the groove part 9. Above-mentioned structure, the setting of concave part, the cartridge in-process after the sealing washer suit avoids the sealing washer drunkenness and dislocation.
The ventilating pipe interface 6 is set to be in a horn-shaped structure, and the diameter of the section of the interface limiting end face 8 of the end, located at the inner side of the cylinder head cover 2, of the ventilating pipe interface 6 is set to be smaller than that of the section of the end, located at the outer side of the cylinder head cover 2. Above-mentioned structure, when the spacing end of ventilation pipe inserted in the ventilation pipe connector, be cockscomb structure retractable because of the spacing end of ventilation pipe, and ventilation pipe connector outer end becomes loudspeaker form, and the outer end is greater than the inner, guarantees the smooth preassembly of case ventilation pipe body 1.
Crankcase ventilation pipe connection structure, crankcase ventilation pipe cartridge to the ventilation pipe interface in, and during the cartridge, when the spacing end of ventilation pipe passes through the ventilation pipe interface, spacing tooth receives the extrusion of ventilation pipe interface inner wall, spacing piece realizes the shrink, and spacing tooth passes through behind the ventilation pipe interface, the extrusion disappears, spacing tooth resets, at this moment, every spacing tooth clamps respectively and lies in cylinder head cover one end at the ventilation pipe interface, realizes the reliable connection and the spacing of ventilation pipe body, is difficult for droing. In the assembling process, the crankcase ventilation pipe is pushed forcibly to extend into the ventilation pipe interface, and the user hears a click sound, and at the moment, the ventilation pipe body cannot be pulled out forcefully, so that the ventilation pipe body is assembled in place. Above-mentioned structure, the assembly process is simple swift, labour saving and time saving, and whole simple structure can additionally not increase the cost of crankcase. Crankcase ventilation pipe connection structure, simple structure can convenient and fast realize being connected of crankcase ventilation pipe and cylinder head cover, improves connection efficiency, reduces installation time and intensity of labour, connects the back crankcase ventilation pipe moreover and can not take place to drop, the leakproofness also obtains the guarantee, effectively satisfies engine work demand.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.
Claims (8)
1. The utility model provides a crankcase ventilation pipe connection structure which characterized in that: the ventilation pipe joint comprises a ventilation pipe body (1), wherein one end of the ventilation pipe body (1) is provided with a ventilation pipe limiting end (3), the ventilation pipe limiting end (3) comprises a plurality of limiting strips (4) which are arranged according to gaps, the outer surface of each limiting strip (4) is provided with a limiting tooth (5) which extends outwards, a ventilation pipe joint (6) is arranged on a cylinder cover (2), and the ventilation pipe body (1) is inserted into the ventilation pipe joint (6) through the ventilation pipe limiting end (3).
2. The crankcase ventilation tube connection structure according to claim 1, wherein: the ventilation pipe body (1) is sleeved with a sealing ring (7) at a position close to the ventilation pipe limiting end (3).
3. The crankcase ventilation tube connection structure according to claim 1 or 2, wherein: the ventilating pipe joint (6) is positioned at one end of the inner side of the cylinder head cover (2) and is a joint limiting end surface (8).
4. The crankcase ventilation tube connection structure according to claim 3, wherein: when the ventilation pipe body (1) is inserted into the ventilation pipe interface (6) through the ventilation pipe limiting end (3), the limiting teeth (5) are arranged to be in a structure capable of being clamped on the interface limiting end face (8).
5. The crankcase ventilation tube connection structure according to claim 1 or 2, wherein: when the ventilation pipe body (1) is inserted into the ventilation pipe interface (6) through the ventilation pipe limiting end (3), the sealing ring (7) is arranged to be located in the ventilation pipe interface (6).
6. The crankcase ventilation tube connection structure according to claim 1 or 2, wherein: each limit strip (4) of the ventilation pipe limit end (3) of the crankcase ventilation pipe connecting structure and the limit teeth (5) on the limit strips (4) are arranged to be L-shaped structures.
7. The crankcase ventilation tube connection structure according to claim 5, wherein: the ventilation pipe body (1) is close to the ventilation pipe limiting end (3) and is provided with a groove part (9) which is recessed along the circumference of the ventilation pipe body (1), and the sealing ring (7) is clamped in the groove part (9).
8. The crankcase ventilation tube connection structure according to claim 4, wherein: the ventilation pipe interface (6) is arranged to be of a horn-shaped structure, and the cross section diameter of the interface limiting end face (8) of the end, located at the inner side of the cylinder head cover (2), of the ventilation pipe interface (6) is smaller than that of the end, located at the outer side of the cylinder head cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121116176.5U CN214744011U (en) | 2021-05-24 | 2021-05-24 | Crankcase ventilation pipe connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121116176.5U CN214744011U (en) | 2021-05-24 | 2021-05-24 | Crankcase ventilation pipe connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214744011U true CN214744011U (en) | 2021-11-16 |
Family
ID=78624964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121116176.5U Active CN214744011U (en) | 2021-05-24 | 2021-05-24 | Crankcase ventilation pipe connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214744011U (en) |
-
2021
- 2021-05-24 CN CN202121116176.5U patent/CN214744011U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214744011U (en) | Crankcase ventilation pipe connection structure | |
| CN211693928U (en) | Ventilation pipe joint and crankcase | |
| CN209310090U (en) | Tube assembly of discharging fume and kitchen ventilator | |
| CN210106775U (en) | Stainless steel corrugated pipe with threaded connector for gas appliance | |
| CN103133804B (en) | A kind of fast slotting fast pulling device | |
| CN214170703U (en) | Oil nozzle leakage-proof diesel engine fuel pump assembly | |
| JP3200370B2 (en) | Connection device for air duct for intake of atmospheric air in internal combustion engine | |
| CN202863079U (en) | Automotive air conditioning assembly | |
| CN214145715U (en) | Air cleaner outlet duct grafting assembly type sealing washer fixed knot constructs | |
| CN214288990U (en) | Sealing structure of material nozzle | |
| CN205895447U (en) | Bellows assembly admits air | |
| CN217215828U (en) | HPVC pipe with connection structure | |
| CN211175853U (en) | Obtuse angle joint for high-temperature hose of automobile | |
| CN217108596U (en) | Anti-leakage valve body of automobile air conditioner | |
| CN209781088U (en) | Can guarantee air intake manifold structure of leakproofness | |
| CN214839127U (en) | Pipeline connecting structure of automobile warm air conditioner | |
| JP2001227688A (en) | Bayonet pipe joint | |
| CN217003452U (en) | Connecting structure of composite copper-plastic water supply pipeline | |
| CN213361431U (en) | Sealing connection device for air duct | |
| CN211187040U (en) | Plug of dust collector | |
| CN220168841U (en) | Clamp spring preassembling structure for quick-inserting connection of hard pipe of air inlet system | |
| CN216959204U (en) | Sealing connection assembly of BWFRP cable conduit | |
| CN211245868U (en) | Sealing gasket connecting structure of air filter | |
| CN210770886U (en) | Mechanical sleeve | |
| CN210195857U (en) | Energy saver for motor vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A connecting structure of crankcase ventilation pipe Effective date of registration: 20220713 Granted publication date: 20211116 Pledgee: Yibin Development Holding Group Co.,Ltd. Pledgor: YIBIN COWIN AUTO Co.,Ltd. Registration number: Y2022510000190 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230809 Granted publication date: 20211116 Pledgee: Yibin Development Holding Group Co.,Ltd. Pledgor: YIBIN COWIN AUTO Co.,Ltd. Registration number: Y2022510000190 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A connecting structure for crankcase ventilation pipes Granted publication date: 20211116 Pledgee: Yibin Development Holding Group Co.,Ltd. Pledgor: YIBIN COWIN AUTO Co.,Ltd. Registration number: Y2023510000285 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |