CN205089948U - Gearbox breather plug, gearbox breather plug mounting structure and gearbox - Google Patents
Gearbox breather plug, gearbox breather plug mounting structure and gearbox Download PDFInfo
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- CN205089948U CN205089948U CN201520701331.8U CN201520701331U CN205089948U CN 205089948 U CN205089948 U CN 205089948U CN 201520701331 U CN201520701331 U CN 201520701331U CN 205089948 U CN205089948 U CN 205089948U
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- China
- Prior art keywords
- stiffening rib
- cock body
- gearbox
- vertical stiffening
- horizontal stiffener
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Abstract
The utility model provides a gearbox breather plug, gearbox breather plug mounting structure and gearbox, this gearbox breather plug be including the ventilate gag and the cock body of ventilating, the gag of ventilating is detained the ventilate upper end of cock body, it is provided with the ring flange to ventilate cock body middle part, ventilate the inside of cock body set up about the open vent pipe in both ends, the first oil baffle and the second oil baffle that interlock about being provided with in the vent pipe, it is provided with top strengthening rib and lateral part strengthening rib respectively to ventilate the roof inboard and the lateral wall inboard of gag, ventilate the upper end of cock body the top surface with top strengthening rib in close contact with, ventilate the upper end of cock body the side with lateral part strengthening rib in close contact with, top strengthening rib, lateral part strengthening rib and ventilating be formed with between the cock body with vent pipe and the external air vent that communicates. The utility model discloses a gearbox breather plug, simple structure, low in manufacturing cost, simple to operate.
Description
Technical field
The utility model belongs to automobile gearbox technical field, particularly relates to a kind of gearbox vent plug, gearbox vent plug mounting structure and gearbox.
Background technique
Have temperature variation during automobile gearbox work, it is poor with extraneous mineralization pressure that the air of transmission internal expands with heat and contract with cold, if larger with external atmosphere pressure pressure reduction time, can make sealing component of gear casing premature abrasion, for solving this problem, automobile gearbox is all equipped with breather plug.Breather plug Main Function has: the first, is communicated with by the air in automobile gearbox with ambient atmosphere, and transmission internal and ambient pressure are balanced; Second; dust in ambient atmosphere or moisture are blocked; make it to enter less in gearbox as far as possible; and make outside the MIN discharge gearbox of the oil in its inner mist of oil; reduce loss of lubrication and preventing pollution air; namely automobile gearbox breather plug is when completing with external world's ventilation effect, also should have effect that is dust-proof, oil-leakage-prevention.
At present, domestic gearbox adopts the breather plug of following three kinds of forms to realize the ventilatory function of gearbox substantially:
The first, realize the ventilatory function of gearbox by the mode of labyrinth or one-way valve, this ventilation plug structure is comparatively complicated, and manufacturing cost is higher.
The second, adopts the mode of respirating tube to realize the ventilatory function of gearbox, like this in arrangement process, needs reserved mounting point, take arrangement space, and increase car load assembly process.
The third, adopt metallic type breather plug, this metallic type breather plug is formed primarily of cock body, cock cap and spring therebetween, be limited to manufacturing process, although this mode structure is simple, easily occur oil leakage phenomenon when high temperature, and dust-proof effect is bad, dust easily enters, and then has had a strong impact on the overall performance of gearbox.
Model utility content
Technical problem to be solved in the utility model is the defect for existing gearbox air plug structure complexity, provides a kind of gearbox vent plug.
It is as follows that the utility model solves the problems of the technologies described above adopted technological scheme:
A kind of gearbox vent plug is provided, comprise ventilation gag and ventilation cock body, described breather plug cover buckle is in the upper end of described ventilation cock body, flange plate is provided with in the middle part of described ventilation cock body, the inside of described ventilation cock body arranges the breather line of upper and lower both ends open, first gear oiled-plate method staggered up and down and second gear oiled-plate method is provided with in described breather line, inside the roof of described ventilation gag and inside sidewalls be respectively arranged with top stiffening rib and sidepiece stiffening rib, the end face of the upper end of described ventilation cock body and described top stiffening rib close contact, the side of the upper end of described ventilation cock body and described sidepiece stiffening rib close contact, described top stiffening rib, the air vent be in communication with the outside by described breather line is formed between sidepiece stiffening rib and ventilation cock body.
Further, described top stiffening rib is " ten " font stiffening rib be made up of the first horizontal stiffener intersected and the second horizontal stiffener.
Further, described sidepiece stiffening rib comprises the first vertical stiffening rib, the second vertical stiffening rib, the 3rd vertical stiffening rib and the 4th vertical stiffening rib, the upper end of the described first vertical stiffening rib and the 3rd vertical stiffening rib is connected to the two ends of the second horizontal stiffener, and the upper end of the described second vertical stiffening rib and the 4th vertical stiffening rib is connected to the two ends of the first horizontal stiffener.
Further, described first horizontal stiffener and the second horizontal stiffener are mutually vertical, and the described first vertical stiffening rib, the second vertical stiffening rib, the 3rd vertical stiffening rib and the 4th vertical stiffening rib are parallel to each other.
Further, described air vent comprises the first air vent, second air vent, 3rd air vent and the 4th air vent, described first air vent is formed in described first horizontal stiffener, second horizontal stiffener, first vertical stiffening rib, second vertical stiffening rib and ventilation cock body between, described second air vent is formed in described first horizontal stiffener, second horizontal stiffener, second vertical stiffening rib, 3rd vertical stiffening rib and ventilation cock body between, described threeway air flue is formed in described first horizontal stiffener, second horizontal stiffener, 3rd vertical stiffening rib, 4th vertical stiffening rib and ventilation cock body between, described four-way air flue is formed in described first horizontal stiffener, second horizontal stiffener, 4th vertical stiffening rib, first vertical stiffening rib and ventilation cock body between.
Further, be provided with annular recess in described ventilation gag, the upper end of described ventilation cock body is provided with the ring-type lug snapped in described annular recess.
Further, described first gear oiled-plate method and second gear oiled-plate method are centrosymmetric distribution.
According to gearbox vent plug of the present utility model, ventilation gag roof inside and inside sidewalls top stiffening rib and sidepiece stiffening rib are set respectively, the end face of the upper end of ventilation cock body and top stiffening rib close contact, the side of the upper end of ventilation cock body and sidepiece stiffening rib close contact, and then the air vent be in communication with the outside by the breather line in ventilation cock body is formed between top stiffening rib, sidepiece stiffening rib and ventilation cock body, like this, gas in vent slot in gearbox can be discharged by breather line and air vent successively, thus achieves degassing function.Visible, this gearbox vent plug not only can realize ventilatory function, and effectively can stop the intrusion of introduced contaminants and ponding, and structure is simple, and low cost of manufacture is easy for installation.
In addition, the utility model additionally provides a kind of gearbox vent plug mounting structure, it comprises gear box casing, oil baffle, seal ring and above-mentioned gearbox vent plug, described gear box casing is provided with breather plug mounting hole, the lower end of the ventilation cock body of described gearbox vent plug is plugged in described breather plug mounting hole, and the flange plate of described gearbox vent plug is pressed on flanged surface that described gear box casing is formed, described seal ring is fitted between the inwall of described ventilation cock body and described breather plug mounting hole, the vent slot be communicated with the breather line of described ventilation cock body is formed between described gear box casing with described oil baffle.
Further, the both sides that described breather plug body is positioned at described seal ring are respectively arranged with the first ring-type lug and the second ring-type lug, and described first ring-type lug and the second ring-type lug abut with the inwall of described breather plug mounting hole.
Further, the lower end of described ventilation cock body is provided with the petal-shaped flange for being limited to by described ventilation cock body on described gear box casing.
In addition, the utility model additionally provides a kind of gearbox, and it comprises above-mentioned gearbox vent plug mounting structure.
Accompanying drawing explanation
Fig. 1 is the sectional view (crossing the first horizontal stiffener cutting) of the gearbox vent plug mounting structure that the utility model one embodiment provides;
Fig. 2 is another sectional view (crossing air vent cutting) of the gearbox vent plug mounting structure that the utility model one embodiment provides;
Fig. 3 is the external structure schematic diagram of the gearbox vent plug that the utility model one embodiment provides;
Fig. 4 is the sectional view along A-A direction in Fig. 3;
Fig. 5 is the worm's eye view of its ventilation gag of gearbox vent plug that the utility model one embodiment provides;
Fig. 6 is the sectional view along B-B direction in Fig. 5.
Reference character in Figure of description is as follows:
1, ventilation gag; 111, annular recess; 2, ventilation cock body; 3, seal ring; 4, breather plug mounting hole; 5, oil baffle; 6, ring-type lug; 71, top stiffening rib; 711, the first horizontal stiffener; 712, the second horizontal stiffener; 72, sidepiece stiffening rib; 721, the first vertical stiffening rib; 722, the second vertical stiffening rib; 723, the 3rd vertical stiffening rib; 724, the 4th vertical stiffening rib; 81, first gear oiled-plate method; 82, second gear oiled-plate method; 9, flange plate; 101, the first ring-type lug; 102, the second ring-type lug; 11, breather line; 100, air vent; 1001, the first air vent; 1002, the second air vent; 1003, the 3rd air vent; 1004, the 4th air vent; 20, gear box casing; 201, flanged surface; 30, vent slot.
Embodiment
The technical problem solved to make the utility model, technological scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are described in further detail the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figures 1 to 6, the gearbox vent plug that the utility model one embodiment provides, comprise ventilation gag 1 and ventilation cock body 2, described ventilation gag 1 is buckled in the upper end of described ventilation cock body 2, flange plate 9 is provided with in the middle part of described ventilation cock body 2, ventilation cock body (2) entirety in a tubular form, the inside of ventilation cock body 2 arranges the breather line 11 of upper and lower both ends open, first gear oiled-plate method 81 staggered up and down and second gear oiled-plate method 82 is provided with in described breather line 11, inside the roof of described ventilation gag 1 and inside sidewalls be respectively arranged with top stiffening rib 71 and sidepiece stiffening rib 72, the end face of the upper end of described ventilation cock body 2 and described top stiffening rib 71 close contact, the side of the upper end of described ventilation cock body 2 and described sidepiece stiffening rib 72 close contact, described top stiffening rib 71, the air vent 100 be in communication with the outside by described breather line 11 is formed between sidepiece stiffening rib 72 and ventilation cock body 2.There is certain magnitude of interference with ventilation cock body 2 in sidepiece stiffening rib 72, ventilation gag 1 is held tightly in the upper end of ventilation cock body 2.
In the present embodiment, ventilation gag 1 adopts softer, elastic quality of rubber materials to make, and cock body 2 of ventilating then adopts rigid plastics to make.Like this, ventilation gag 1 has elasticity, so that be stably buckled in the upper end of ventilation cock body 2.
In the present embodiment, as shown in Figures 5 and 6, described top stiffening rib 71 is " ten " font stiffening rib be made up of the first horizontal stiffener 711 intersected and the second horizontal stiffener 712.
In the present embodiment, as shown in Figures 4 to 6, described sidepiece stiffening rib 72 comprises the vertical stiffening rib 722 of the first vertical stiffening rib 721, second, the 3rd vertical stiffening rib 723 and the 4th vertical stiffening rib 724, the upper end of the described first vertical stiffening rib 721 and the 3rd vertical stiffening rib 723 is connected to the two ends of the second horizontal stiffener 712, and the upper end of the described second vertical stiffening rib 722 and the 4th vertical stiffening rib 724 is connected to the two ends of the first horizontal stiffener 711.Preferably, described first horizontal stiffener 711 and the second horizontal stiffener 712 are mutually vertical, and the vertical stiffening rib 722 of the described first vertical stiffening rib 721, second, the 3rd vertical stiffening rib 723 and the 4th vertical stiffening rib 724 are parallel to each other.
In the present embodiment, as shown in Figures 2 and 4, described air vent 100 comprises the first air vent 1001, second air vent 1002, 3rd air vent 1003 and the 4th air vent 1004, described first air vent 1001 is formed in described first horizontal stiffener 711, second horizontal stiffener 712, first vertical stiffening rib 721, second vertical stiffening rib 722 and ventilation cock body 2 between, described second air vent 1002 is formed in described first horizontal stiffener 711, second horizontal stiffener 712, second vertical stiffening rib 722, 3rd vertical stiffening rib 723 and ventilation cock body 2 between, described 3rd air vent 1003 is formed in described first horizontal stiffener 711, second horizontal stiffener 712, 3rd vertical stiffening rib 723, 4th vertical stiffening rib 724 and ventilation cock body 2 between, described 4th air vent 1004 is formed in described first horizontal stiffener 711, second horizontal stiffener 712, 4th vertical stiffening rib 724, first vertical stiffening rib 721 and ventilation cock body 2 between.
In the present embodiment, as shown in Figure 1, be provided with annular recess 111 in described ventilation gag 1, the upper end of described ventilation cock body 2 is provided with the ring-type lug 6 snapped in described annular recess 111.
In the present embodiment, as shown in Figure 1, first gear oiled-plate method 81 and second gear oiled-plate method 82 one on the other, the right interlaced arrangement of a first from left.More preferably, described first gear oiled-plate method 81 and second gear oiled-plate method 82 are centrosymmetric distribution.Like this, successively stopped by first gear oiled-plate method 81 and second gear oiled-plate method 82 when oil gas flows from bottom to top, play oil return effect; Further, the dust entered by ventilation gag 1 also can be stopped by first gear oiled-plate method 81 and second gear oiled-plate method 82, plays dustproof effect.
According to the gearbox vent plug of the utility model above-described embodiment, ventilation gag roof inside and inside sidewalls top stiffening rib and sidepiece stiffening rib are set respectively, the end face of the upper end of ventilation cock body and top stiffening rib close contact, the side of the upper end of ventilation cock body and sidepiece stiffening rib close contact, and then at top stiffening rib, the air vent be in communication with the outside by the breather line in ventilation cock body is formed between sidepiece stiffening rib and ventilation cock body, like this, gas in vent slot in gearbox can be discharged by breather line and air vent successively, thus achieve degassing function.Visible, this gearbox vent plug not only can realize ventilatory function, and effectively can stop the intrusion of introduced contaminants and ponding, and structure is simple, and low cost of manufacture is easy for installation.
In addition, as shown in Figures 1 and 2, the utility model one embodiment still provides a kind of gearbox vent plug mounting structure, it comprises gear box casing 20, oil baffle 5, seal ring 3 and above-mentioned gearbox vent plug, described gear box casing is provided with breather plug mounting hole 4, the lower end of the ventilation cock body 2 of described gearbox vent plug is plugged in described breather plug mounting hole 4, and the flange plate 9 of described gearbox vent plug is pressed on the flanged surface 201 of formation on described gear box casing 20, is fixed on gear box casing 20 to make gearbox vent plug; Described seal ring 3 is fitted between the inwall of described ventilation cock body 2 and described breather plug mounting hole 4, is formed with the vent slot 30 be communicated with the breather line 11 of described ventilation cock body between described gear box casing 20 with described oil baffle 5.
In the present embodiment, described seal ring 3 is O type circle, the annular groove that on ventilation cock body, corresponding setting is mated with O type circle.
In the present embodiment, as shown in Figure 1, the both sides that described ventilation cock body 2 is positioned at described seal ring 3 are respectively arranged with the first ring-type lug 101 and the second ring-type lug 102, described first ring-type lug 101 and the second ring-type lug 102 abut with the inwall of described breather plug mounting hole 4, to increase the installation stability of gearbox vent plug.
In the present embodiment, the lower end of described ventilation cock body 2 is provided with the petal-shaped flange 12 for being limited to by described ventilation cock body 2 on described gear box casing 20.By the combination of flange plate 9 with petal-shaped flange 12, gearbox vent plug can be made firmly to be arranged on gear box casing 20.
Gear box casing 20 forms the vent slot 30 of relative closure together with oil baffle 5, and the lubricant oil that gearbox shift gear splashes directly is got on gearbox vent plug, prevents fuel injection event.
As shown in Figure 2, as shown in heavy solid line arrows a, b in figure, the gas in vent slot 30 enters breather line 11 by lower end successively, and flows into air vent 100 by the upper end of breather line 11, is then discharged to ambient atmosphere by air vent 100.Breather line 11 and air vent 100 constitute the exhaust passage of gearbox.
In addition, the utility model one embodiment still provides a kind of gearbox, and it comprises above-mentioned gearbox vent plug mounting structure.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (11)
1. a gearbox vent plug, it is characterized in that, comprise ventilation gag and ventilation cock body, described breather plug cover buckle is in the upper end of described ventilation cock body, flange plate is provided with in the middle part of described ventilation cock body, the inside of described ventilation cock body arranges the breather line of upper and lower both ends open, first gear oiled-plate method staggered up and down and second gear oiled-plate method is provided with in described breather line, inside the roof of described ventilation gag and inside sidewalls be respectively arranged with top stiffening rib and sidepiece stiffening rib, the end face of the upper end of described ventilation cock body and described top stiffening rib close contact, the side of the upper end of described ventilation cock body and described sidepiece stiffening rib close contact, described top stiffening rib, the air vent be in communication with the outside by described breather line is formed between sidepiece stiffening rib and ventilation cock body.
2. gearbox vent plug according to claim 1, is characterized in that, described top stiffening rib is " ten " font stiffening rib be made up of the first horizontal stiffener intersected and the second horizontal stiffener.
3. gearbox vent plug according to claim 2, it is characterized in that, described sidepiece stiffening rib comprises the first vertical stiffening rib, the second vertical stiffening rib, the 3rd vertical stiffening rib and the 4th vertical stiffening rib, the upper end of the described first vertical stiffening rib and the 3rd vertical stiffening rib is connected to the two ends of the second horizontal stiffener, and the upper end of the described second vertical stiffening rib and the 4th vertical stiffening rib is connected to the two ends of the first horizontal stiffener.
4. gearbox vent plug according to claim 3, it is characterized in that, described first horizontal stiffener and the second horizontal stiffener are mutually vertical, and the described first vertical stiffening rib, the second vertical stiffening rib, the 3rd vertical stiffening rib and the 4th vertical stiffening rib are parallel to each other.
5. gearbox vent plug according to claim 3, it is characterized in that, described air vent comprises the first air vent, second air vent, 3rd air vent and the 4th air vent, described first air vent is formed in described first horizontal stiffener, second horizontal stiffener, first vertical stiffening rib, second vertical stiffening rib and ventilation cock body between, described second air vent is formed in described first horizontal stiffener, second horizontal stiffener, second vertical stiffening rib, 3rd vertical stiffening rib and ventilation cock body between, described threeway air flue is formed in described first horizontal stiffener, second horizontal stiffener, 3rd vertical stiffening rib, 4th vertical stiffening rib and ventilation cock body between, described four-way air flue is formed in described first horizontal stiffener, second horizontal stiffener, 4th vertical stiffening rib, first vertical stiffening rib and ventilation cock body between.
6. gearbox vent plug according to claim 1, is characterized in that, is provided with annular recess in described ventilation gag, and the upper end of described ventilation cock body is provided with the ring-type lug snapped in described annular recess.
7. gearbox vent plug according to claim 1, is characterized in that, described first gear oiled-plate method and second gear oiled-plate method are centrosymmetric distribution.
8. a gearbox vent plug mounting structure, it is characterized in that, comprise gear box casing, oil baffle, seal ring and the gearbox vent plug described in claim 1-7 any one, described gear box casing is provided with breather plug mounting hole, the lower end of the ventilation cock body of described gearbox vent plug is plugged in described breather plug mounting hole, and the flange plate of described gearbox vent plug is pressed on flanged surface that described gear box casing is formed, described seal ring is fitted between the inwall of described ventilation cock body and described breather plug mounting hole, the vent slot be communicated with the breather line of described ventilation cock body is formed between described gear box casing with described oil baffle.
9. gearbox vent plug mounting structure according to claim 8, it is characterized in that, the both sides that described breather plug body is positioned at described seal ring are respectively arranged with the first ring-type lug and the second ring-type lug, and described first ring-type lug and the second ring-type lug abut with the inwall of described breather plug mounting hole.
10. gearbox vent plug mounting structure according to claim 8, is characterized in that, the lower end of described ventilation cock body is provided with the petal-shaped flange for being limited to by described ventilation cock body on described gear box casing.
11. 1 kinds of gearboxes, is characterized in that, comprise the gearbox vent plug mounting structure described in claim 8-10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701331.8U CN205089948U (en) | 2015-09-10 | 2015-09-10 | Gearbox breather plug, gearbox breather plug mounting structure and gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520701331.8U CN205089948U (en) | 2015-09-10 | 2015-09-10 | Gearbox breather plug, gearbox breather plug mounting structure and gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089948U true CN205089948U (en) | 2016-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520701331.8U Expired - Fee Related CN205089948U (en) | 2015-09-10 | 2015-09-10 | Gearbox breather plug, gearbox breather plug mounting structure and gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205089948U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339408A (en) * | 2017-07-13 | 2017-11-10 | 东风商用车有限公司 | A kind of gearbox device of air and its application method |
| CN110219965A (en) * | 2019-03-25 | 2019-09-10 | 陕西法士特齿轮有限责任公司 | A kind of flush type ventilation plug structure and method for exhausting |
| CN111720526A (en) * | 2020-06-28 | 2020-09-29 | 湖北工业大学 | Liquid blocking and ventilating plug for gearbox |
| CN113719602A (en) * | 2021-07-13 | 2021-11-30 | 东风汽车集团股份有限公司 | Gearbox air breather and gearbox |
| CN113847410A (en) * | 2021-08-13 | 2021-12-28 | 义乌吉利自动变速器有限公司 | Transmission ventilation structure, transmission and vehicle |
| WO2024046231A1 (en) * | 2022-08-29 | 2024-03-07 | 蔚来动力科技(合肥)有限公司 | Oil leakage- and water inflow-preventing transmission device |
-
2015
- 2015-09-10 CN CN201520701331.8U patent/CN205089948U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339408A (en) * | 2017-07-13 | 2017-11-10 | 东风商用车有限公司 | A kind of gearbox device of air and its application method |
| CN110219965A (en) * | 2019-03-25 | 2019-09-10 | 陕西法士特齿轮有限责任公司 | A kind of flush type ventilation plug structure and method for exhausting |
| CN110219965B (en) * | 2019-03-25 | 2024-02-06 | 陕西法士特齿轮有限责任公司 | Buried vent plug structure and exhaust method |
| CN111720526A (en) * | 2020-06-28 | 2020-09-29 | 湖北工业大学 | Liquid blocking and ventilating plug for gearbox |
| CN111720526B (en) * | 2020-06-28 | 2021-09-14 | 湖北工业大学 | Liquid blocking and ventilating plug for gearbox |
| CN113719602A (en) * | 2021-07-13 | 2021-11-30 | 东风汽车集团股份有限公司 | Gearbox air breather and gearbox |
| CN113719602B (en) * | 2021-07-13 | 2024-01-16 | 东风汽车集团股份有限公司 | Gearbox ventilation device and gearbox |
| CN113847410A (en) * | 2021-08-13 | 2021-12-28 | 义乌吉利自动变速器有限公司 | Transmission ventilation structure, transmission and vehicle |
| WO2024046231A1 (en) * | 2022-08-29 | 2024-03-07 | 蔚来动力科技(合肥)有限公司 | Oil leakage- and water inflow-preventing transmission device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |