CN215635646U

CN215635646U - Pipeline assembly of gearbox air pressure stabilizing device

Info

Publication number: CN215635646U
Application number: CN202120617747.7U
Authority: CN
Inventors: 高孝贤
Original assignee: Tianjin Zhongguan Auto Parts Manufacturing Co ltd
Current assignee: Tianjin Zhongguan Auto Parts Manufacturing Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2022-01-25
Anticipated expiration: 2031-03-26

Abstract

The utility model provides a pipeline assembly of a gearbox air pressure stabilizing device, which belongs to the field of gearbox accessories and comprises a two-way connector, an air pipe and a protective cap, wherein the two-way connector comprises an upper shell and a lower shell, an inserting part is arranged on one side of the top of the upper shell, the two-way connector is inserted into one end of the air pipe through the inserting part, the protective cap is detachably connected to the other end of the air pipe, an air exhaust hole is formed in the protective cap, an oil blocking piece is arranged in the two-way connector and is formed by a plurality of oil blocking arms in a surrounding mode, the oil blocking piece is in a fan shape and is used for blocking oil in air.

Description

Pipeline assembly of gearbox air pressure stabilizing device

Technical Field

The utility model belongs to the field of accessories of gearboxes, and particularly relates to a pipeline assembly of a gearbox air pressure stabilizing device.

Background

The transmission is a mechanism for changing the rotating speed and torque of an engine, the temperature of the transmission changes along with the running of an automobile, the air in the transmission is unbalanced in internal air pressure due to expansion with heat and contraction with cold, finally, a fault is generated, and in order to ensure the balance of the air pressure between the transmission and the outside, a vent pipe is usually arranged on the transmission.

The gas often contains oil, when the transmission case discharges the gas, the oil is discharged along with the gas, the oil in the gas cannot be blocked in the conventional vent pipe, waste is caused, and stains are generated in the vent pipe after long-term use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a pipeline assembly of a gearbox air pressure stabilizing device, which can balance the air pressure between a gearbox and the outside and can block oil in oil-containing gas to enable the oil to return to the gearbox when the gas is discharged.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a gearbox atmospheric pressure stabilising arrangement pipeline assembly, includes two-way joint, breather pipe and protective cap, the two-way joint is pegged graft the one end of breather pipe, the protective cap can be dismantled the connection and be in the other end of breather pipe be provided with the exhaust hole on the protective cap be provided with in the two-way joint and hinder the oil separation blade, it is used for blockking the oil in the gas to hinder the oil separation blade. The two-way connector is convenient to assemble with the vent pipe through insertion, and the protective cap is detachably connected and is convenient to replace.

Furthermore, the two-way joint comprises an upper shell and a lower shell, the upper shell and the lower shell are connected through rotary friction welding, the vent pipe is connected with the upper shell in an inserting mode, an inserting portion is arranged on one side of the top of the upper shell, bamboo joints are arranged on the outer side of the inserting portion, the upper shell is connected into the vent pipe in an inserting mode through the bamboo joints, and an air inlet portion is arranged on the lower shell. The breather pipe can play the effect of blockking to the oil in the gas through setting up perpendicularly with the two-way connection.

Furthermore, the air inlet portion comprises a clamping ring and an elastic ring piece, the elastic ring piece is arranged on the clamping ring in an encircling mode and is provided with a plurality of conical clamping heads. Because gaps are reserved among the elastic ring pieces, the elastic ring pieces can drive the conical clamping head to contract inwards to realize clamping.

Furthermore, a groove is formed in the clamping ring, and a sealing ring is arranged in the groove. The sealing ring can further realize the close fit between the air inlet part and the hole of the gearbox, and prevent the leakage of oil and gas in the gearbox.

Furthermore, a protective sleeve is arranged on one side of the vent pipe close to the two-way joint. The protective sheath adopts the aluminium foil sheath, because of being close to the gearbox temperature higher, can play the guard action to the breather pipe.

Furthermore, the oil blocking piece is formed by a plurality of oil blocking arms in a surrounding mode, the oil blocking piece is fan-shaped, and the oil blocking arms are L-shaped. Because of forming the space between a plurality of oil blocking arms, gas can pass through from the space, and oil content gathers into oil droplet on hindering the oil catch, finally falls back in the gearbox.

Furthermore, the protective cap includes adapter sleeve and dust cap, the adapter sleeve is "protruding" style of calligraphy, the exhaust hole is established the side at adapter sleeve top, the dust cap sets up on the adapter sleeve. The protective cap can play the guard action to the breather pipe, prevents that the dust from getting into in the breather pipe.

Furthermore, a positioning column is arranged on the dustproof cap.

The utility model has the advantages and positive effects that:

1. owing to adopt above-mentioned technical scheme, through the setting that hinders the oil separation blade, can prevent that oil from passing through gas exhaust hole, hinder the oil separation blade and can play the separation effect to the oil in the gas, a plurality of oil arms that hinder encircle to set up and make and hinder the oil separation blade and be fan-shaped, and oil that oil was assembled drips by hindering the oil separation blade and drips to the gearbox in, prevents the waste of fluid, reduces the production of the inside spot of breather pipe.

2. Through breather pipe and the perpendicular setting of two-way connection, make the upper casing play the effect of blockking to the oil in the gas, compare vertical setting, can prevent to take the gas of oil directly to be discharged.

3. Through the setting of elasticity ring piece and toper dop, the elasticity ring piece has elasticity, makes the shrink of toper dop changeable, changes in the installation, and the setting of sealing washer can reach better sealed effect, prevents that the gas in the gearbox from running out.

4. The gearbox temperature is too high, and the protective sheath can protect one side pipeline of adjacent two-way connection.

5. The protective cap can play the effect of dustproof protection to the other end of breather pipe, and the protective cap passes through the ribbon to be fixed, makes its convenient dismantlement, and the change of being convenient for, the exhaust hole sets up the side at the adapter sleeve top, and the dustproof cap has played the effect of sheltering from to the exhaust hole, can more effectually prevent that the dust from getting into.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a detail view of section A of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view of the utility model A-A;

FIG. 5 is a bottom plan view of the two-way joint of the present invention;

fig. 6 is a view showing the inner structure of the protective cap of the present invention;

fig. 7 is a schematic view of the dust cap of the present invention turned out.

In the figure:

1. a two-way joint; 11. a lower housing; 111. an air delivery cavity; 12. an air intake portion; 121. a snap ring; 122. an elastic ring piece; 123. a conical chuck; 124. a groove; 125. an air inlet cavity; 13. a seal ring; 14. an oil blocking baffle plate; 141. an oil blocking arm; 2. a breather pipe; 21. a protective sleeve; 22. an upper housing; 221. an insertion part; 3. a protective cap; 31. connecting sleeves; 32. a dust cap; 33. an exhaust hole; 34. a positioning column; 4. and (6) binding the belt.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1 to 7, this embodiment provides a pipeline assembly of a gearbox air pressure stabilizing device, including two-way joint 1, breather pipe 2 and protective sheath 3, two-way joint 1 is pegged graft in the one end of breather pipe 2, protective sheath 3 can dismantle the other end of connecting at breather pipe 2, two-way joint 1 includes upper casing 22 and lower casing 11, upper casing 22 and lower casing 11 adopt the spin friction welding to be connected, one side at the top of upper casing 22 is provided with insertion portion 221, be equipped with the bamboo joint in the outside of insertion portion 221, insertion portion 221 inserts the one end of breather pipe 2, breather pipe 2 is fixed mutually with upper casing 22 through the bamboo joint, breather pipe 2 link up with two-way joint 1, through setting up breather pipe 2 in one side of upper casing 22, make breather pipe 2 perpendicular with two-way joint 1 mutually, can prevent that the oil in the air from being discharged along with the gas.

The air inlet part 12 is arranged at the lower end of the lower shell 11, an air feeding cavity 111 is arranged in the lower shell 11, an air inlet cavity 125 is arranged in the air inlet part 12, the air feeding cavity 111 is communicated with the air inlet cavity 125, an oil blocking baffle 14 is arranged between the air feeding cavity 111 and the air inlet cavity 125, the oil blocking baffle 14 is formed by a plurality of oil blocking arms 141 surrounding the upper end of the air inlet cavity 125 at equal intervals, the oil blocking baffle 14 is fan-shaped, the oil blocking arms 141 are L-shaped, gaps are formed among the oil blocking arms 141, gas generated by the gearbox can pass through, oil in the gas is blocked by the oil blocking baffle 14, oil collected by the blocked oil drops flow into the gearbox from the oil blocking baffle 14, and the oil in the gearbox is prevented from being brought out along with the gas.

The air inlet part 12 comprises a clamping ring 121, an elastic ring piece 122 and a conical clamping head 123, the elastic ring piece 122 is arranged on the clamping ring 121 in an equidistance surrounding mode in a plurality, the conical clamping head 123 is arranged on the elastic ring piece 122, the number of the conical clamping heads 133 is the same as that of the elastic ring piece 122, the diameter of one end, close to the elastic ring piece 122, of the conical clamping head 133 is larger than that of the other end of the conical clamping head 133, the conical clamping head 133 is convenient to enable the air inlet part 12 to be inserted into a hole in the top of the gearbox, when the conical clamping head 123 enters the hole, the conical clamping head 133 drives the elastic ring piece 122 to contract inwards firstly and reset after entering the hole, the two-way joint 1 can be connected onto the gearbox, a plurality of grooves 124 are formed in the clamping ring 121, sealing rings 13 are arranged in the grooves 124, and the sealing rings 13 clamp the hole of the gearbox to prevent gas leakage in the gearbox.

The breather pipe 2 is a nylon pipe, a protective sleeve 21 is arranged on one side of the breather pipe 2 close to the two-way connector 1, the protective sleeve 21 is an aluminum foil protective sleeve, and can resist high temperature above 150 ℃, so that the breather pipe 2 is protected.

The protective cap 3 is connected to the vent pipe 2 through a binding belt 4, the protective cap 3 is made of rubber, the protective cap 3 comprises a connecting sleeve 31 and a dust cap 32, the connecting sleeve 31 is communicated with the vent pipe 2, the connecting sleeve 31 is in a convex shape, an exhaust hole 33 is formed in the side end of the top of the connecting sleeve 31, the dust cap 32 is arranged on the connecting sleeve 31, the inner diameter of the dust cap 32 is larger than the diameter of the connecting sleeve 31, and a gap is reserved between the dust cap 32 and the connecting sleeve 31. Because the dust cap 32 is made of rubber, the dust cap 32 can be turned upwards, the protective cap 3 plays a role of dust prevention for the air outlet end of the vent pipe 2, dust is prevented from entering, and a positioning column 34 is arranged on one side of the dust cap 32 to facilitate the connection between the protective cap 3 and the vent pipe 2.

The working process of the example is as follows:

the two-way joint 1 is inserted into one end of the vent pipe 2 through the insertion part 221, the protective cap 3 is fixed at the other end of the vent pipe 2 through the binding belt 4, the air inlet part 12 is inserted into a hole at the top of the gearbox through the conical clamping head 123, the conical clamping head 123 is inwards contracted through the elastic ring piece 122, the conical clamping head 123 can be clamped into the hole, and the sealing ring 13 seals the hole.

The air outlet end of the vent pipe 2 is always arranged upwards, after the gas is generated by the gearbox, the gas sequentially enters the vent pipe 2 through the air inlet cavity 125 and the air supply cavity 111 and is then discharged through the exhaust hole 33, and the balance of the air pressure in the gearbox is ensured.

Because the gas produced in the gearbox contains oil, the gas is blocked by the oil blocking baffle 14, and the gas is converged into oil drops which drop from the oil blocking baffle 14, so that the oil drops enter the gearbox again.

The utility model has the beneficial effects that:

the setting of hindering oil catch 14, can prevent the discharge of oily gas, gas discharges in the clearance that a plurality of oil arms 141 formed that hinder, the oil content that is blockked drips to the gearbox from hindering oil catch 14, one side at upper housing 22 top is provided with the portion of inserting 221, the portion of inserting 221 accessible bamboo joint is pegged graft in breather pipe 2, make two-way joint 1 peg graft on breather pipe 2, make two-way joint 1's installation convenient, safety, because of breather pipe 2 is perpendicular with two-way joint 1 mutually, compare vertical connection, can block oil content in the gas to a certain extent and be discharged.

The two-way joint 1 can be inserted into the gearbox through the conical clamping heads 123, and the elastic ring piece 122 has elasticity, so the conical clamping heads 123 can be inwards contracted to enter the holes, and the arrangement of the sealing ring can enable the air inlet part 12 to be tightly matched with the holes of the gearbox, so that the leakage of oil liquid and gas in the gearbox is prevented.

Because of being close to the temperature of gearbox position higher, protect the one end pipeline of breather pipe 2 through protective sheath 21, protective sheath 21 adopts high temperature resistant aluminium foil sheath.

The protective cap 3 can be detached from the other end of the vent pipe 2 through the binding belt 4, so that the protective cap 3 is convenient to replace, the protective cap 3 plays a role of dustproof protection, the vent hole 33 is arranged at the side end of the top of the connecting sleeve 31, the dustproof cap 32 shields the vent hole 33, dust is prevented from entering, and gas in the gearbox can be discharged from the vent hole 33.

While one or more embodiments of the present invention have been described in detail, the description is in the nature of preferred embodiments of the utility model and is not intended to limit the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. The utility model provides a gearbox atmospheric pressure stabilising arrangement pipeline assembly, its characterized in that includes two-way joint (1), breather pipe (2) and protective cap (3), two-way joint (1) is pegged graft the one end of breather pipe (2), protective cap (3) can be dismantled and be connected the other end of breather pipe (2) be provided with exhaust hole (33) on protective cap (3) be provided with in two-way joint (1) and hinder oil separation blade (14), it is used for blockking the oil in the gas to hinder oil separation blade (14).

2. The gearbox pneumatic pressure stabilizer tube assembly of claim 1, wherein: the two-way joint (1) comprises an upper shell (22) and a lower shell (11), the vent pipe (2) is inserted into the upper shell (22), and an air inlet part (12) is arranged on the lower shell (11).

3. The gearbox pneumatic pressure stabilizer tube assembly of claim 2, wherein: the air inlet part (12) comprises a clamping ring (121) and elastic ring pieces (122), the elastic ring pieces (122) are arranged on the clamping ring (121) in an encircling mode and are provided with a plurality of conical clamping heads (123).

4. The gearbox pneumatic pressure stabilizer tube assembly of claim 3, wherein: a groove (124) is formed in the clamping ring (121), and a sealing ring (13) is arranged in the groove (124).

5. The gearbox pneumatic pressure stabilizer tube assembly of claim 1, wherein: a protective sleeve (21) is arranged on one side of the vent pipe (2) close to the two-way joint (1).

6. The gearbox pneumatic pressure stabilizer tube assembly of claim 1, wherein: the oil blocking piece (14) is formed by a plurality of oil blocking arms (141) in a surrounding mode, the oil blocking piece (14) is fan-shaped, and the oil blocking arms (141) are L-shaped.

7. The gearbox pneumatic pressure stabilizer tube assembly of claim 1, wherein: the protective cap (3) is fixed at the other end of the vent pipe (2) through a binding belt (4).

8. The gearbox pneumatic stabilizer circuit assembly of claim 7, wherein: protective cap (3) are including adapter sleeve (31) and dust cap (32), adapter sleeve (31) are "protruding" style of calligraphy, exhaust hole (33) are established the side at adapter sleeve (31) top, dust cap (32) set up on adapter sleeve (31).

9. The gearbox pneumatic stabilizer circuit assembly of claim 8, wherein: and a positioning column (34) is arranged on the dustproof cap (32).