CN203335798U - Bolt type ventilation plug - Google Patents

Bolt type ventilation plug Download PDF

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Publication number
CN203335798U
CN203335798U CN2013203044642U CN201320304464U CN203335798U CN 203335798 U CN203335798 U CN 203335798U CN 2013203044642 U CN2013203044642 U CN 2013203044642U CN 201320304464 U CN201320304464 U CN 201320304464U CN 203335798 U CN203335798 U CN 203335798U
Authority
CN
China
Prior art keywords
cock body
breather plug
venting channels
bolt
cock
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
Application number
CN2013203044642U
Other languages
Chinese (zh)
Inventor
田广召
邱健
刘磊
马克
张海玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeycomb Transmission Technology Hebei Co Ltd
Original Assignee
Great Wall Motor Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Great Wall Motor Co Ltd filed Critical Great Wall Motor Co Ltd
Priority to CN2013203044642U priority Critical patent/CN203335798U/en
Application granted granted Critical
Publication of CN203335798U publication Critical patent/CN203335798U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the field of automobile manufacturing and particularly discloses a bolt type ventilation plug. The bolt type ventilation plug comprises a bolt-shaped plug body, the plug body is provided with an external thread corresponding to a threaded hole positioned in a casing, and a ventilation structure for ventilation is arranged in the plug body. By enabling the ventilation structure to be arranged on the bolt-shaped plug body, combination of the ventilation plug and a fixing bolt is achieved, a speed changer control cover can be fixed, the effect of the ventilation plug can also be achieved, hole sites on the speed changer control cover are reduced, and production and processing costs are greatly reduced.

Description

The bolt type breather plug
Technical field
The utility model relates to automobile manufacturing field, relates in particular to a kind of bolt type breather plug of speed-changer operation lid.
Background technique
Breather plug is arranged on the housing of some obturators usually, breather plug of the prior art is provided with a spring between its cock body and cock cap, the contact that variation by the housing internal pressure and the effect of spring realize cock body and cock cap with separate, and then realize sealing and the ventilation of breather plug.
As the breather plug covered at speed-changer operation, when gas reaches certain pressure in the speed-changer operation lid, just can, by the cock cap jack-up of breather plug, realize ventilatory function.But there is following shortcoming in this breather plug: breather plug is the isolated structure, at speed-changer operation, covers and needs a position, hole coordinated with breather plug of processing separately, has increased processing cost; Be provided with a spring between the cock body of breather plug and cock cap, just breather plug cock cap jack-up can be ventilated while only having gas in speed-changer operation lid to reach certain pressure, the interior pressure transient of speed-changer operation lid, reduced working life of speed changer; Dustproof and the oil-leakage-prevention effect of breather plug is bad, easily enters dust, and oil leakage phenomenon easily occurs in the high situation of temperature.
The model utility content
(1) technical problem that will solve
The purpose of this utility model is to provide a kind of bolt type breather plug, to overcome prior art, need to cover the position, hole that one of independent processing coordinates with breather plug at speed-changer operation, has increased the problem of processing cost.
(2) technological scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of bolt type breather plug, comprises the cock body of bolt shape, and described cock body is provided with the outside thread corresponding with tapped hole on housing, and the inside of described cock body is provided with the ventilation device for ventilation.
Preferably, described ventilation device comprises the first venting channels and the second venting channels, one end opening of described the first venting channels is positioned at the lower end surface of cock body, the other end opening is positioned at the side at cock body middle part, one end opening of described the second venting channels is positioned at the upper-end surface of cock body, and the other end opening is positioned at the side at cock body middle part.
Preferably, described the first venting channels is positioned at the second venting channels below the opening of side, cock body middle part at the opening of side, cock body middle part.
Preferably, described the first venting channels and the second venting channels are contrary at the opening direction of side, cock body middle part.
Preferably, also comprise cock cap, described cock cap is inserted in the opening of the second venting channels in the cock body upper-end surface, leaves the gap for ventilation between described cock cap and cock body.
Preferably, described cock cap is made by elastic material.
Preferably, described elastic material is plastics or rubber.
Preferably, the top of described cock cap is hemispherical, and what its underpart was hollow is cylindric, and is provided with projection outside columned lower end, and described cock body is provided with the groove corresponding with described projection, and described projection snaps in described groove.
Preferably, the middle part of described cock body is provided with one section cylndrical surface, and described the first venting channels all is positioned on described cylndrical surface at opening and the opening of the second venting channels in side, cock body middle part of side, cock body middle part.
Preferably, the cock body of stating bolt shape comprises hex head bolt head and screw rod, and described cylndrical surface is positioned at the end of screw rod near the hex head bolt head.
(3) beneficial effect
Bolt type breather plug of the present utility model by arranging ventilation device on the cock body of bolt shape, realized the combination of breather plug and fixing bolt, both can fixed transmission handle lid, can play the effect of breather plug again, reduced the position, hole that speed-changer operation covers, greatly saved the cost of production and processing, the inside of bolt type breather plug is provided with the normal opened type ventilation device be comprised of the first venting channels and the second venting channels, not only can keep pressure and the external atmospheric pressure of speed changer inside to continue to be consistent, increase the working life of speed changer, can also play the effect that fluid refluxes, effectively prevented the oil leakage phenomenon of breather plug, the upper end of bolt type breather plug also is provided with for dustproof cock cap, the utility model is simple in structure, production and processing is convenient, adaptability and versatility are good, be easy to promote.
The accompanying drawing explanation
The stereogram of the bolt type breather plug that Fig. 1 is the utility model embodiment;
The front elevation of the bolt type breather plug that Fig. 2 is the utility model embodiment;
The rear view of the bolt type breather plug that Fig. 3 is the utility model embodiment;
The structural drawing of the cock cap of the bolt type breather plug that Fig. 4 is the utility model embodiment;
The ventilation path figure of the bolt type breather plug that Fig. 5 is the utility model embodiment.
In figure, 100: cock body; 110: the hex head bolt head; 111: groove; 120: cylndrical surface; 130: screw rod; 210: the first venting channels; 212: opening; 220: the second venting channels; 222: opening; 300: cock cap; 310: hemispherical top; 320: cylindric bottom; 330: projection.
Embodiment
Below in conjunction with drawings and Examples, mode of execution of the present utility model is described in further detail.Following examples are used for the utility model is described, but can not be used for limiting scope of the present utility model.
As Figure 1-5, the bolt type breather plug of the present embodiment comprises cock body 100 and cock cap 300, and the inside of cock body 100 is provided with ventilation device.
Cock body 100 is bolt shape, it comprises hex head bolt head 110 and screw rod 130, screw rod 130 is provided with one section cylndrical surface 120 near an end of hex head bolt head 110, the remaining part of screw rod 130 is flank of thread, wherein the diameter of hex head bolt head 110 is greater than the diameter of cylndrical surface 120, and the diameter of cylndrical surface 120 can be not equal to the diameter of the flank of thread of screw rod 130, the bolt type breather plug covers corresponding tapped hole by described flank of thread and speed-changer operation and coordinates, be fixed connection, this structure has realized the combination of breather plug and fixing bolt, both can fixed transmission handle lid, can play the effect of breather plug again, reduced the position, hole that speed-changer operation covers, greatly saved the cost of production and processing, and this structure also can be avoided breather plug and handle the problem that mismate causes leakage of oil of covering.
Described ventilation device comprises the first venting channels 210 and the second venting channels 220, one end opening of the first venting channels 210 is positioned at the lower end surface of the screw rod 130 of cock body 100, the other end opening 212 is positioned on the cylndrical surface 120 of cock body 100, one end opening of the second venting channels 220 is positioned at the upper-end surface of the hex head bolt head 110 of cock body 100, the other end opening 222 is positioned on the cylndrical surface 120 of cock body 100, and below and opening 212 that opening 212 is positioned at opening 222 are contrary with the opening direction of opening 222.Be provided with one section widening structure in the bolt hole of transmission operating lid, described widening structure coordinates with the cylndrical surface 120 of cock body 100, form one section cavity, the first venting channels 210 is communicated with the second venting channels 220, realize the inside of speed changer and outside being communicated with.This ventilation device is the normal opened type ventilation device, it not only can keep the pressure of speed changer inside and external atmospheric pressure to continue to be consistent, increase the working life of speed changer, because the cylndrical surface 120 of cock body 100 coordinates a cavity of formation with the widened section in tapped hole, stirring when speed changer inside due to gear, fluid is splashed, along the first venting channels 210(as Fig. 5) path enter into cock body 100 when inner, fluid can enter in described cavity, when the speed changer internal pressure reduces, fluid will flow to along the path back of the first venting channels 210 speed changer inside, can prevent the oil leakage phenomenon of breather plug like this.
Cock cap 300 is made by plastics or rubber elastomeric material, it is inserted in the opening of the second venting channels 220 in the upper-end surface of the hex head bolt head 110 of cock body 100, cock cap 300 comprises hemispherical top 310 and cylindric bottom 320, cylindric bottom 320 is hollow structure, the outside of its lower end is provided with a circle projection 330, cock body 100 is provided with a circle groove 111 corresponding with projection 330, the cylindric bottom 320 that is elastic material and cock cap 300 due to cock cap 300 is hollow structure, so elastic compression can be carried out at protruding 330 places in its cylindric bottom 320, so that projection 330 is inserted cock body 100 and is stuck in groove 111 with cylindric bottom 320, cock cap 300 is fixedly connected on cock body 100, cock cap 300 narrow and small gap together with leaving between cock body 100, as shown in Figure 5, by described gap, can make the second venting channels 220 be in communication with the outside, the Main Function in described gap is to prevent that extraneous dust from entering breather plug, there is dustproof effect.320 lower end surface, the cylindric bottom of cock cap 300 can also be provided with a recess, to further facilitate projection 330, inserts in groove 111.
Bolt type breather plug of the present utility model also can adopt other ventilation device to coordinate with the bolt shape cock body, as the ventilation device by existing spring breather plug is arranged on the cock body of bolt shape, this breather plug has saved the breather plug mounting hole equally, but ventilatory effect, leakproof produce effect and dust-proof effect all not as above-described embodiment, so those skilled in the art should select suitable ventilation device to the cock body of bolt shape according to actual conditions.
Embodiment of the present utility model provides for example with for the purpose of describing, and is not exhaustively or by the utility model to be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiments with various modifications that the utility model design is suitable for special-purpose.

Claims (10)

1. a bolt type breather plug, is characterized in that, comprises the cock body of bolt shape, and described cock body is provided with the outside thread corresponding with tapped hole on housing, and the inside of described cock body is provided with the ventilation device for ventilation.
2. bolt type breather plug according to claim 1, it is characterized in that, described ventilation device comprises the first venting channels and the second venting channels, one end opening of described the first venting channels is positioned at the lower end surface of cock body, the other end opening is positioned at the side at cock body middle part, one end opening of described the second venting channels is positioned at the upper-end surface of cock body, and the other end opening is positioned at the side at cock body middle part.
3. bolt type breather plug according to claim 2, is characterized in that, described the first venting channels is positioned at the second venting channels below the opening of side, cock body middle part at the opening of side, cock body middle part.
4. bolt type breather plug according to claim 3, is characterized in that, described the first venting channels and the second venting channels are contrary at the opening direction of side, cock body middle part.
5. bolt type breather plug according to claim 4, is characterized in that, also comprises cock cap, and described cock cap is inserted in the opening of the second venting channels in the cock body upper-end surface, leaves the gap for ventilation between described cock cap and cock body.
6. bolt type breather plug according to claim 5, is characterized in that, described cock cap is made by elastic material.
7. bolt type breather plug according to claim 6, is characterized in that, described elastic material is plastics or rubber.
8. bolt type breather plug according to claim 7, is characterized in that, the top of described cock cap is hemispherical, its underpart is the cylindric of hollow, and the outside, columned lower end is provided with projection, and described cock body is provided with the groove corresponding with described projection, and described projection snaps in described groove.
9. according to any one described bolt type breather plug in claim 2-8, it is characterized in that, the middle part of described cock body is provided with one section cylndrical surface, and described the first venting channels all is positioned on described cylndrical surface at opening and the opening of the second venting channels in side, cock body middle part of side, cock body middle part.
10. bolt type breather plug according to claim 9, is characterized in that, the cock body of described bolt shape comprises hex head bolt head and screw rod, and described cylndrical surface is positioned at the end of screw rod near the hex head bolt head.
CN2013203044642U 2013-05-29 2013-05-29 Bolt type ventilation plug Expired - Fee Related CN203335798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203044642U CN203335798U (en) 2013-05-29 2013-05-29 Bolt type ventilation plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203044642U CN203335798U (en) 2013-05-29 2013-05-29 Bolt type ventilation plug

Publications (1)

Publication Number Publication Date
CN203335798U true CN203335798U (en) 2013-12-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013203044642U Expired - Fee Related CN203335798U (en) 2013-05-29 2013-05-29 Bolt type ventilation plug

Country Status (1)

Country Link
CN (1) CN203335798U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103727213A (en) * 2014-01-17 2014-04-16 徐州天擎机电有限公司 Air bleeder of differential case of electro-tricycle
CN106136917A (en) * 2016-09-21 2016-11-23 珠海格力电器股份有限公司 Pipeline machine water tank and pipeline machine
CN106763673A (en) * 2016-11-23 2017-05-31 北京新能源汽车股份有限公司 Breather plug and the vehicle with it
US9964020B2 (en) 2015-05-22 2018-05-08 Ford Global Technologies, Llc Bleed valve assembly
CN108287008A (en) * 2017-01-09 2018-07-17 沈阳市长庆电力电器有限公司 A kind of oil level indicator floating ball

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103727213A (en) * 2014-01-17 2014-04-16 徐州天擎机电有限公司 Air bleeder of differential case of electro-tricycle
CN103727213B (en) * 2014-01-17 2016-09-28 徐州天擎机电有限公司 Air bleeder of differential case of electro-tricycle
US9964020B2 (en) 2015-05-22 2018-05-08 Ford Global Technologies, Llc Bleed valve assembly
CN106136917A (en) * 2016-09-21 2016-11-23 珠海格力电器股份有限公司 Pipeline machine water tank and pipeline machine
CN106763673A (en) * 2016-11-23 2017-05-31 北京新能源汽车股份有限公司 Breather plug and the vehicle with it
CN106763673B (en) * 2016-11-23 2019-01-29 北京新能源汽车股份有限公司 Breather plug and vehicle with it
CN108287008A (en) * 2017-01-09 2018-07-17 沈阳市长庆电力电器有限公司 A kind of oil level indicator floating ball

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20191118

Address after: 071000 No.75, Dongsheng Road, Lianchi District, Baoding City, Hebei Province

Patentee after: Beehive transmission technology Hebei Co., Ltd

Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding

Patentee before: Changcheng Automobile Co., Ltd.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131211

Termination date: 20210529

CF01 Termination of patent right due to non-payment of annual fee