CN215830909U - Gearbox oil plug - Google Patents
Gearbox oil plug Download PDFInfo
- Publication number
- CN215830909U CN215830909U CN202121740327.4U CN202121740327U CN215830909U CN 215830909 U CN215830909 U CN 215830909U CN 202121740327 U CN202121740327 U CN 202121740327U CN 215830909 U CN215830909 U CN 215830909U
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- plug screw
- plug
- connecting portion
- head tank
- screw
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Abstract
The utility model provides a gearbox oil plug, includes plug screw pole portion and plug screw head, plug screw pole portion sets up with the axle center with the plug screw head, be equipped with the fixed slot on the contact surface of plug screw head portion and plug screw pole portion, be equipped with first seal ring in the fixed slot, plug screw pole portion includes screw thread portion and connecting portion, connecting portion and plug screw head fixed connection, screw thread portion and connecting portion integrated into one piece, be equipped with a plurality of constant head tank on the connecting portion, constant head tank evenly distributed is on connecting portion, constant head tank and connecting portion are with the axle center, be equipped with second seal ring in the constant head tank, the shape size looks adaptation of second seal ring and constant head tank.
Description
Technical Field
The utility model relates to the technical field of fasteners, in particular to a gearbox oil plug screw.
Background
Among the prior art, be equipped with the oil drain hole usually in the gearbox, the oil drain hole blocks up through gearbox oil plug screw to guarantee the leakproofness of gearbox, however, traditional gearbox oil plug screw has following defect: firstly, the sealing performance of the oil plug screw of the gearbox is insufficient, and the phenomenon of engine oil leakage is easy to occur after long-term use; second, because the gearbox internal gas pressure is higher, when opening the gearbox oil plug screw, the phenomenon that the interior machine oil of gearbox jetted out probably appears makes the staff be injured easily.
Disclosure of Invention
In order to solve the problems, the utility model provides the gearbox oil plug which can enhance the sealing property of the gearbox, avoid the overhigh oil pressure in the gearbox and prevent workers from being injured when opening the gearbox oil plug.
The technical scheme of the utility model is as follows: the utility model provides a gearbox oil plug, includes plug screw pole portion and plug screw head, plug screw pole portion sets up with the axle center with the plug screw head, be equipped with the fixed slot on the contact surface of plug screw head portion and plug screw pole portion, be equipped with first seal ring in the fixed slot, plug screw pole portion includes screw thread portion and connecting portion, connecting portion and plug screw head fixed connection, screw thread portion and connecting portion integrated into one piece, be equipped with a plurality of constant head tank on the connecting portion, constant head tank evenly distributed is on connecting portion, constant head tank and connecting portion are with the axle center, be equipped with second seal ring in the constant head tank, the shape size looks adaptation of second seal ring and constant head tank.
Adopt above-mentioned technical scheme, when gearbox oil plug installs on the gearbox, because be equipped with the fixed slot on the contact surface of plug screw head and plug screw pole portion, be equipped with first seal ring in the fixed slot, can play the function of the oil drain hole on the sealed gearbox, because be equipped with a plurality of constant head tank on the connecting portion, constant head tank evenly distributed is on connecting portion, the constant head tank is coaxial with connecting portion, be equipped with second seal ring in the constant head tank, the leakproofness of oil drain hole when gearbox oil plug is installed on the oil drain hole can be further improved, first seal ring forms multistage seal with second seal ring, even if one of them layer seal ring wearing and tearing are serious, but other seal rings still can play the sealing action, the sealing performance and the life of gearbox oil plug screw have been improved greatly.
The utility model further comprises the following steps: the plug screw is characterized in that air holes penetrating through the plug screw head and the plug screw rod are formed in the plug screw head and the plug screw rod, a waterproof breathable film is arranged on the air holes, and the waterproof breathable film is matched with the cross section of the air holes in shape and size.
Adopt above-mentioned technical scheme, because be equipped with the bleeder vent that runs through plug screw head and plug screw pole portion on plug screw head and the plug screw pole portion, and be equipped with waterproof ventilated membrane on the bleeder vent, waterproof ventilated membrane has ventilative waterproof function, and the diameter of oil granule is greater than water, more can not follow the waterproof ventilated membrane and pass through, consequently, waterproof ventilated membrane can reduce the oil pressure in the gearbox, avoids the staff to be injured when opening gearbox oil plug screw.
The utility model further comprises the following steps: the screw plug is characterized in that a countersunk hole is formed in the head of the screw plug, and the countersunk hole and the air holes are coaxially arranged.
By adopting the technical scheme, the countersunk hole is formed in the head of the screw plug, and the countersunk hole and the air hole are coaxially arranged, so that the oil screw plug of the gearbox can be more conveniently mounted on the gearbox through the countersunk hole.
The utility model further comprises the following steps: the waterproof breathable film is characterized in that two rubber gaskets movably connected to the inner wall of the breathable hole are arranged in the breathable hole, a through hole is formed in each rubber gasket, the rubber gaskets are matched with the cross section of the breathable hole in shape and size, and the waterproof breathable film is located between the two rubber gaskets.
Adopt above-mentioned technical scheme, because be equipped with two swing joint in the rubber packing ring of venthole inner wall in the bleeder vent, waterproof ventilated membrane is located between two rubber packing rings, can prevent to install gearbox oil screw stopper in-process, and waterproof ventilated membrane is punctured to the mounting tool, can play the effect of further fixed waterproof ventilated membrane simultaneously, and in addition, rubber packing ring swing joint in venthole inner wall can conveniently dismantle the rubber packing ring from the bleeder vent inner wall to change waterproof ventilated membrane.
Drawings
Fig. 1 is a cross-sectional view of a transmission oil plug according to an embodiment of the present invention.
1-screw plug rod part, 2-screw plug head part, 3-fixed groove, 4-first sealing washer, 5-screw thread part, 6-connecting part, 7-positioning groove, 8-second sealing washer, 9-air vent, 10-waterproof breathable film, 11-counter sink, 12-rubber washer and 13-through hole.
Detailed Description
As shown in fig. 1, a gearbox oil plug screw, including plug screw pole portion 1 and plug screw head 2, plug screw pole portion 1 sets up with the coaxial axle center of plug screw head 2, be equipped with fixed slot 3 on plug screw head 2 and the contact surface of plug screw pole portion 1, be equipped with first seal ring 4 in the fixed slot 3, plug screw pole portion 1 includes screw thread portion 5 and connecting portion 6, connecting portion 6 and 2 fixed connection of plug screw head, screw thread portion 5 and 6 integrated into one piece of connecting portion, be equipped with a plurality of constant head tank 7 on connecting portion 6, constant head tank 7 evenly distributed is on connecting portion 6, constant head tank 7 and connecting portion 6 are coaxial, be equipped with second seal ring 8 in the constant head tank 7, second seal ring 8 and the big or small looks adaptation of the shape of constant head tank 7.
When the gearbox oil plug screw is installed on the gearbox, because be equipped with fixed slot 3 on the contact surface of plug screw head 2 and plug screw pole portion 1, be equipped with first seal ring 4 in the fixed slot 3, can play the function of the oil drain hole on the sealed gearbox, because be equipped with a plurality of constant head tank 7 on connecting portion 6, constant head tank 7 evenly distributed is on connecting portion 6, constant head tank 7 and connecting portion 6 are coaxial, be equipped with second seal ring 8 in the constant head tank 7, can further improve the leakproofness of oil drain hole when gearbox oil plug screw is installed on the oil drain hole, first seal ring 4 forms multistage sealed with second seal ring 8, even if one deck seal ring wearing and tearing are serious, but other seal rings still can play the sealing effect, the sealing performance and the life of gearbox oil plug screw have been improved greatly.
The plug screw head part 2 and the plug screw rod part 1 are provided with air holes 9 penetrating through the plug screw head part 2 and the plug screw rod part 1, the air holes 9 are provided with waterproof breathable films 10, and the waterproof breathable films 10 are matched with the cross section shapes and the sizes of the air holes 9.
Because be equipped with the bleeder vent 9 that runs through plug screw head 2 and plug screw pole portion 1 on plug screw head 2 and the plug screw pole portion 1, and be equipped with waterproof ventilated membrane 10 on the bleeder vent 9, waterproof ventilated membrane 10 has ventilative waterproof function, and the diameter of oil granule is greater than water, more can not follow and pass through in the waterproof ventilated membrane 10, consequently, waterproof ventilated membrane 10 can reduce the oil pressure in the gearbox, is injured when avoiding the staff to open gearbox oil plug screw.
The screw plug head 2 is provided with a counter bore 11, and the counter bore 11 and the air holes 9 are arranged coaxially.
Because the countersunk hole 11 is arranged on the head part 2 of the screw plug, and the countersunk hole 11 and the air hole 9 are coaxially arranged, the oil screw plug of the gearbox can be more conveniently arranged on the gearbox through the countersunk hole 11.
The waterproof breathable film is characterized in that two rubber gaskets 12 movably connected to the inner wall of the air hole 9 are arranged in the air hole 9, through holes 13 are formed in the rubber gaskets 12, the rubber gaskets 12 are matched with the cross section of the air hole 9 in shape and size, and the waterproof breathable film 10 is located between the two rubber gaskets 12.
Because be equipped with two swing joint in the rubber packing ring 12 of bleeder vent 9 inner wall in bleeder vent 9, waterproof ventilated membrane 10 is located between two rubber packing rings 12, can prevent to install the gearbox oil plug in-process, and waterproof ventilated membrane 10 is punctured to the mounting tool, can play the effect of further fixed waterproof ventilated membrane 10 simultaneously, and in addition, rubber packing ring 12 swing joint in bleeder vent 9 inner wall can conveniently dismantle rubber packing ring 12 from bleeder vent 9 inner wall to change waterproof ventilated membrane 10.
Claims (4)
1. The utility model provides a gearbox oil plug screw, includes plug screw pole portion and plug screw head, plug screw pole portion sets up its characterized in that with the axle center with the plug screw head: be equipped with the fixed slot on the contact surface of plug screw head and plug screw pole portion, be equipped with first seal ring in the fixed slot, plug screw pole portion includes screw thread portion and connecting portion, connecting portion and plug screw head fixed connection, screw thread portion and connecting portion integrated into one piece, be equipped with a plurality of constant head tank on the connecting portion, constant head tank evenly distributed is on connecting portion, constant head tank and connecting portion are coaxial, be equipped with second seal ring in the constant head tank, the shape size looks adaptation of second seal ring and constant head tank.
2. A transmission oil plug according to claim 1, wherein: the plug screw is characterized in that air holes penetrating through the plug screw head and the plug screw rod are formed in the plug screw head and the plug screw rod, a waterproof breathable film is arranged on the air holes, and the waterproof breathable film is matched with the cross section of the air holes in shape and size.
3. A transmission oil plug according to claim 2, wherein: the screw plug is characterized in that a countersunk hole is formed in the head of the screw plug, and the countersunk hole and the air holes are coaxially arranged.
4. A transmission oil plug according to claim 3 wherein: the waterproof breathable film is characterized in that two rubber gaskets movably connected to the inner wall of the breathable hole are arranged in the breathable hole, a through hole is formed in each rubber gasket, the rubber gaskets are matched with the cross section of the breathable hole in shape and size, and the waterproof breathable film is located between the two rubber gaskets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121740327.4U CN215830909U (en) | 2021-07-28 | 2021-07-28 | Gearbox oil plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121740327.4U CN215830909U (en) | 2021-07-28 | 2021-07-28 | Gearbox oil plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830909U true CN215830909U (en) | 2022-02-15 |
Family
ID=80193167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121740327.4U Active CN215830909U (en) | 2021-07-28 | 2021-07-28 | Gearbox oil plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215830909U (en) |
-
2021
- 2021-07-28 CN CN202121740327.4U patent/CN215830909U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |