CN215486205U - Novel crankcase ventilation pipeline connects - Google Patents

Abstract

The utility model discloses a novel crankcase ventilation pipeline joint which comprises a pipe joint and a female joint which are connected through a transition part, wherein the pipe joint and the female joint are arranged at an angle; the female joint comprises a double-sealing structure and a non-detachable structure, wherein the double-sealing structure is provided with an O-shaped ring and a reinforcing sealing ring, and a middle positioning ring is arranged between the O-shaped ring and the reinforcing sealing ring. The utility model can select joints with different angles according to the installation space, is convenient to install, avoids the bending and folding phenomenon, realizes double sealing, more stably ensures that a ventilation pipeline is smooth and has no leakage, ensures the ventilation effect, and is suitable for the technical field of automobile parts.

Description

Novel crankcase ventilation pipeline connects

Technical Field

The utility model belongs to the technical field of automobile parts, and particularly relates to a novel crankcase ventilation pipeline joint.

Background

The ventilation mode of the crankcase comprises natural ventilation and forced ventilation. Crankcase ventilation must be implemented to prevent excessive crankcase pressure, extend engine oil life, reduce wear and corrosion of parts, and prevent engine oil leakage. Modern gasoline engines often employ forced crankcase ventilation, also known as PCV systems. The crankcase ventilation is used for the following purposes:

1. the lubricating oil is prevented from deteriorating, and the fuel oil is prevented from diluting engine oil, so that the abrasion and corrosion of parts are reduced;

2. pressure reduction, temperature reduction and leakage prevention: gas leaking into the crankcase raises the pressure and temperature in the crankcase, causing lubricating oil to leak from the crankshaft oil seal and gasket;

3. the combustible gas is recycled, and the pollution is reduced. The gas which is blown into the crankcase is sucked into the cylinder for combustion, the CH compound is recycled, and meanwhile, the pollution to the atmosphere is reduced.

However, the crankcase ventilation pipe joint in the prior art is limited by installation space, on one hand, the ventilation pipe is difficult to install, and inconvenience is brought to assembly; on the other hand, the ventilation pipe is often bent and folded, the ventilation effect is influenced, even the sealing effect is poor due to suffocation, the air intake and exhaust of an engine and the power output of the engine are influenced, and even safety accidents are caused due to flameout.

SUMMERY OF THE UTILITY MODEL

The utility model provides a novel crankcase ventilation pipeline joint which is used for solving the problem that a ventilation pipe is difficult to install and inconvenient to assemble; the ventilation pipe often takes place crooked folding phenomenon, influences the ventilation effect, even because feel out of the breath can lead to sealed effect poor, influences engine intake and exhaust and engine power output, even appears extinguishing the problem that causes the incident.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a novel crankcase ventilation pipeline joint comprises a pipe joint and a female joint which are connected through a transition part, wherein the pipe joint and the female joint are arranged at an angle; the female joint comprises a double-sealing structure and a non-detachable structure, wherein the double-sealing structure is provided with an O-shaped ring and a reinforcing sealing ring, and a middle positioning ring is arranged between the O-shaped ring and the reinforcing sealing ring.

Further, the undetachable structure of female joint includes the undetachable quick connector, and the undetachable quick connector includes the grafting portion that links to each other with transition portion, and grafting portion inboard is equipped with O type circle, middle position circle, enhancement sealing washer, holding ring and locking portion from inside to outside along its axial in proper order, and locking portion joint is inboard in grafting portion and carries on spacingly to O type circle, middle position circle, enhancement sealing washer and holding ring and prevent that it from deviating from grafting portion.

Furthermore, the pipe joint and the female joint are connected at an included angle of 90 degrees, or at an included angle of 135 degrees, or at an included angle of 180 degrees.

Furthermore, the pipe joint side wall is provided with a plurality of annular bulges, an annular groove is formed at the position close to the end part of the pipe joint, and a tensioning sealing ring is arranged in the annular groove.

Furthermore, the non-detachable quick connector is connected with the base through a transition part of a tubular structure, a pipe joint and a female joint are respectively arranged on two adjacent side surfaces of the base, the pipe joint and the female joint are vertically arranged, a heating mechanism is arranged in the base, and a heating connector electrically connected with the heating mechanism is fixedly arranged on the other side of the base.

Further, heating mechanism is including seting up airflow channel's heating metal block, and heating metal block links to each other with heating portion, and heating portion locates the base inboard and is located between heating plug-in body and the heating metal block, and airflow channel's entry and coupling are linked together, and export and female joint looks UNICOM, the export of heating metal block still is equipped with the heating metal pipe, and the heating metal pipe is arranged with female joint is coaxial.

Due to the adoption of the structure, compared with the prior art, the utility model has the technical progress that: the pipe joints and the female joints are arranged in an angle mode, so that a plurality of angle connection modes can be provided, the pipe joint and the female joints are suitable for installation spaces with different sizes and different angles, the installation is convenient, and the unsmooth ventilation caused by bending and folding of pipelines is avoided; the non-detachable structure of the female joint can prevent the crankcase and the ventilation pipe from being separated due to manual external force detachment or looseness, influence on the ventilation effect of the crankcase and ensure the stable and reliable connection between the crankcase and the ventilation pipe so as to ensure the normal operation of a vehicle; in addition, due to the fact that the double-sealing structure is arranged, the O-shaped ring and the reinforcing sealing ring are sealed in a double mode, the pipeline joint is well sealed, air inlet and exhaust and output power of an engine are guaranteed, and safe operation of a vehicle is guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural diagram in an embodiment of the present invention;

FIG. 2 is a schematic view of the female fitting of the present invention at an angle of 135 ° to the tube fitting;

FIG. 3 is a schematic view of the female fitting and the pipe joint of the embodiment of the present invention at an angle of 180 °;

FIG. 4 is a schematic view of the female fitting of the embodiment of the present invention at a 90 ° angle to the pipe joint;

FIG. 5 is a schematic structural view of a belt heating mechanism in an embodiment of the present invention, wherein an included angle between a female joint and a pipe joint is 90 degrees;

FIG. 6 is an exploded view of a heating mechanism in an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a heating plug according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a spring fixing device according to an embodiment of the present invention.

Labeling components: 1-base, 2-transition part, 3-female joint, 31-O-shaped ring, 32-positioning ring, 33-locking part, 331-clamping body, 332-connecting body, 333-buckle, 34-plug part, 341-notch, 35-middle positioning ring, 36-reinforced sealing ring, 4-heating metal tube, 5-heating mechanism, 501-first electrode plate, 502-second electrode plate, 503-first heating spring, 504-second heating spring, 505-first insulator, 506-second insulator, 507-supporting rib, 508-heating metal block, 509-metal sheet, 51-buckle, 52-cover plate, 53-second plug, 54-first limiting body, 55-first plug, 56-slot, 57-second limiting body, 58-reinforcing rib, 6-pipe joint and 61-tensioning sealing ring.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.

The utility model discloses a novel crankcase ventilation pipeline joint, which comprises a pipe joint 6 and a female joint 3 which are connected through a transition part, wherein the pipe joint 6 and the female joint 3 are arranged at an angle, the female joint 3 comprises a double-sealing structure and a non-detachable structure which are provided with an O-shaped ring 31 and a reinforcing sealing ring 36, and a middle positioning ring 35 is arranged between the O-shaped ring 31 and the reinforcing sealing ring 36, as shown in figure 1. Specifically, as shown in fig. 2-4, the pipe joint 6 and the female joint 3 are connected at an included angle of 90 degrees, or at an included angle of 135 degrees, or at an included angle of 180 degrees, so that the requirements for connection at various angles can be met, the installation is convenient, and the pipe joint is suitable for installation positions with different sizes and different angles.

The utility model has the beneficial effects that: the pipe joint 6 and the female joint 3 are arranged at an angle, so that a plurality of angle connection modes can be provided, the pipe joint is suitable for installation spaces with different sizes and different angles, the installation is convenient, and the unsmooth ventilation caused by bending and folding of a pipeline is avoided; the non-detachable structure of the female joint 3 can prevent the crankcase and the ventilation pipe from being separated due to manual external force detachment or looseness, influence the ventilation effect of the crankcase, and ensure the stable and reliable connection between the crankcase and the ventilation pipe so as to ensure the normal operation of the vehicle; in addition, due to the double-sealing structure, the O-shaped ring 31 and the reinforcing sealing ring 36 are sealed in a double mode, and the good sealing of the pipeline joint is guaranteed, so that the air inlet and exhaust and output power of an engine are guaranteed, and the safe operation of a vehicle is guaranteed.

As a preferred embodiment, as shown in fig. 1, the non-detachable structure of the female connector 3 includes a non-detachable quick connector, the non-detachable quick connector includes a plug portion 34 connected to the transition portion 2, an O-ring 31, an intermediate positioning ring 35, a reinforcing sealing ring 36, a positioning ring 32, and a locking portion 33 are sequentially disposed on an inner side of the plug portion 34 from inside to outside along an axial direction of the plug portion, and the locking portion 33 is clamped on an inner side of the plug portion 34 and limits the O-ring 31, the intermediate positioning ring 35, the reinforcing sealing ring 36, and the positioning ring 32 to prevent the O-ring 31, the intermediate positioning ring 35, the reinforcing sealing ring 36, and the positioning ring 32 from coming off from the plug portion 34.

Further, as shown in fig. 1, the locking portion 33 includes two sets of symmetrically arranged clamping bodies 331 and buckles 333, adjacent clamping bodies 331 and buckles 333 are connected by a connector 332, and two notches 341 adapted to the clamping bodies 331 are formed in the side wall of the insertion portion 34. The inner wall of the buckle 333 is provided with a barb-shaped structure with a larger outside and a smaller inside, and the inner wall of the insertion part 34 and the outer wall of the clamping body 331 are provided with a groove and a protrusion which are used for positioning and are matched with each other. The clamping body 331, the buckle 333 and the connecting body 332 are made of nylon materials and are integrally formed. The base 1, the pipe joint 6, the transition part 2 and the insertion part 34 are all made of stainless steel and are integrally formed. The positioning ring 32 is made of nylon, and the positioning ring 32 and the insertion part 34 are provided with grooves and protrusions which are used for positioning and are matched with each other, so that the positioning ring 32 is prevented from moving in the insertion part 34 in the circumferential direction or the axial direction.

The beneficial effect of this embodiment lies in: locking portion 33 and grafting portion 34 are the components of a whole that can function independently structure, and the processing of being convenient for, locking portion 33 are the nylon material, can produce certain deformation, and installation that can be more convenient is inboard to grafting portion 34, and after grafting portion 34 inboard was installed to locking portion 33, under the elastic recovery effect of connector 332, the protruding card of the external wall of joint body 331 just got into two notches 341 of grafting portion 34 lateral wall in, realized the location joint. After the quick-plug male plug connected with the crankcase ventilation pipe is inserted into the inserting part 34, the quick-plug male plug passes through the locking part 33, the end part of the quick-plug male plug is abutted against the O-shaped ring 31, the sealing function is realized, gas leakage is prevented, meanwhile, the flange of the quick-plug male plug is clamped by the buckle 333 of the locking part 33, and the buckle 333 is of a spring sheet structure with a barb-shaped structure, so that the quick-plug male plug cannot be inserted into the female connector, can only pass in a single direction and cannot be pulled out, and cannot be detached, and therefore manual external force removal is avoided, the quick-plug male plug is limited and sealed through the sealing label and the positioning ring 32, and loosening is avoided.

Further, as shown in fig. 1, the side wall of the pipe joint 6 is provided with a plurality of annular protrusions, an annular groove is formed at a position close to the end portion of the pipe joint, and a tensioning sealing ring 61 is arranged in the annular groove. Through setting up a plurality of archs and tensioning sealing washer 61 the benefit lies in, when the ventilation pipe suit was to coupling 6 on, tensioning sealing washer 61 played the effect of stretching to the ventilation pipe, and a plurality of archs played anti-drop effect to the ventilation pipe, and both cooperations can make the leakproofness that coupling 6 and ventilation pipe are connected better, and be difficult for droing.

As a preferred embodiment, as shown in fig. 5-6, the non-detachable quick connector is connected to the base through a transition portion of a tubular structure, a pipe joint and a female joint are respectively installed on two adjacent side surfaces of the base, the pipe joint and the female joint are vertically arranged, a heating mechanism 5 is installed inside the base 1, a heating plug body electrically connected to the heating mechanism 5 is fixedly installed on the other side of the base 1, and the heating plug body is a part of the heating mechanism 5. The heating mechanism 5 comprises a heating metal block 508 provided with an airflow channel, the heating metal block 508 is connected with a heating part, the heating part is arranged on the inner side of the base 1 and is positioned between the heating plug-in body and the heating metal block 508, an inlet of the airflow channel is communicated with a pipe joint 6, an outlet of the airflow channel is communicated with the female joint 3, a heating metal pipe 4 is further arranged at the outlet of the heating metal block 508, and the heating metal pipe 4 and the female joint 3 are coaxially arranged. Preferably, in this embodiment, the heating metal block 508 is a heating aluminum block, and the heating metal tube 4 is a heating aluminum tube, which has low cost and good heat conductivity.

The beneficial effect of this embodiment lies in: airflow channel has been seted up to heating metal block 508, and be connected with heating portion, airflow channel's entry is linked together with coupling 6, the export is linked together with female joint 3, can avoid producing because cold and hot air current freezes the jam in the bend in turn, and then influence the engine and advance exhaust and engine power output and flameout the condition appearance even, on the one hand, more heat that adds can be stored to the heating metal block, play certain heat preservation effect, on the other hand, the heating metal pipe can prolong gaseous heating route, guarantee good heating effect.

As a preferred embodiment, as shown in fig. 6, the heating part includes an electrical plug disposed inside the heating plug body, the electrical plug is electrically connected to the heating metal block 508 through a heating spring, and the heating spring is fixed in the base 1 through a spring fixing device. The electric plug comprises a first plug 501 and a second plug 502, the heating spring comprises a first heating spring 503 and a second heating spring 504, the first plug 501 and the second plug 502 are respectively connected with a heating metal block 508 through the first heating spring 503 and the second heating spring 504, and particularly, the first plug 501 and the second plug 502 are respectively connected with the first heating spring 503 and the second heating spring 504 through a first electrode plate 501 and a second electrode plate 502. As shown in fig. 8, the spring fixing device includes a first insulator 505 and a second insulator 506 of a tubular structure, and the first insulator 505 and the second insulator 506 are respectively sleeved outside the first heating spring 503 and the second heating spring 504 and are fixed inside the base 1 through support ribs 507. The first insulator 505, the second insulator 506, and the support rib 507 are integrally formed. Specifically, one side surface of the base 1 is an opening structure for installing the heating mechanism 5. Heating mechanism 5 adopts 12V voltage input, two plate electrodes have heating constant temperature function, then the heating spring passes through the 509 heat transfer of sheetmetal and gives the heating aluminium piece of heating base 1 inside, the heating aluminium piece is heated heating metal pipe 4 and then guarantees that ventilation pipe joint 6 is all heated, heat metal pipe 4 through heating aluminium piece, the heating metal pipe 4 that makes is heated more evenly, avoid producing because cold and hot air current is freezing the jam in the bend in turn, and then influence the engine and advance to exhaust and engine power output and even flameout the condition appearance. The spring fixing device and the heating plug-in body are integrally formed.

Further, as shown in fig. 7, the heating plug body includes a slot 56 and a cover plate 52, the electrical plug is fixedly disposed in the slot 56, two sides of the cover plate 52 are provided with hasps 51, and two sides of the base 1 are provided with triangular protrusions adapted to the hasps 51. The heating plug-in body can be dismantled with base 1 and be connected to realize fixed connection through hasp 51 and triangle arch, its installation with dismantle conveniently, the maintenance of being convenient for is overhauld, and reduces the processing degree of difficulty, reduces the processing cost. The inner side of the slot 56 is provided with a first limiting body 54 for preventing the plug from being inserted wrongly, the outer side of the slot 56 is provided with a second limiting body 57 for preventing the plug from being connected with the power socket and falling off, and a reinforcing rib 58 is arranged between the slot 56 and the cover plate 52. Through setting up first spacing body 54, can prevent that the plug from inserting by mistake, second spacing body 57 can prevent that the power cord from droing and leading to the outage among the heating process, influences the heating, and the stability that slot 56 and apron 52 are connected can be increased to strengthening rib 58.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a novel crankcase ventilation pipeline connects which characterized in that: comprises a pipe joint and a female joint which are connected through a transition part, wherein the pipe joint and the female joint are arranged at an angle; the female joint comprises a double-sealing structure and a non-detachable structure, wherein the double-sealing structure is provided with an O-shaped ring and a reinforcing sealing ring, and a middle positioning ring is arranged between the O-shaped ring and the reinforcing sealing ring.

2. The novel crankcase ventilation manifold joint of claim 1, wherein: the non-detachable structure of female joint includes non-detachable quick connector, and non-detachable quick connector includes the grafting portion that links to each other with transition portion, and grafting portion inboard is equipped with O type circle, middle position circle, enhancement sealing washer, holding ring and locking portion from inside to outside along its axial in proper order, and locking portion joint is inboard and to O type circle, middle position circle, enhancement sealing washer and holding ring spacing prevention it is deviate from grafting portion in grafting portion.

3. The novel crankcase ventilation manifold joint of claim 1, wherein: the pipe joint and the female joint are connected at an included angle of 90 degrees, or at an included angle of 135 degrees, or at an included angle of 180 degrees.

4. The novel crankcase ventilation manifold joint of claim 1, wherein: the pipe joint is characterized in that a plurality of annular bulges are arranged on the side wall of the pipe joint, an annular groove is formed in the position close to the end part of the pipe joint, and a tensioning sealing ring is arranged in the annular groove.

5. The novel crankcase ventilation manifold joint of claim 2, wherein: the quick plug connector is connected with the base through a transition part of a tubular structure, a pipe joint and a female joint are respectively arranged on two adjacent side faces of the base, the pipe joint and the female joint are vertically arranged, a heating mechanism is arranged in the base, and a heating plug body electrically connected with the heating mechanism is fixedly arranged on the other side of the base.

6. The novel crankcase ventilation manifold joint of claim 5, wherein: the heating mechanism comprises a heating metal block provided with an airflow channel, the heating metal block is connected with a heating part, the heating part is arranged on the inner side of the base and is positioned between the heating plug-in body and the heating metal block, an inlet of the airflow channel is communicated with the pipe joint, an outlet of the airflow channel is communicated with the female joint, a heating metal pipe is further arranged at an outlet of the heating metal block, and the heating metal pipe and the female joint are coaxially arranged.

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