CN220816498U - Automatic balancing device for internal and external pressure of transmission case - Google Patents
Automatic balancing device for internal and external pressure of transmission case Download PDFInfo
- Publication number
- CN220816498U CN220816498U CN202322522646.3U CN202322522646U CN220816498U CN 220816498 U CN220816498 U CN 220816498U CN 202322522646 U CN202322522646 U CN 202322522646U CN 220816498 U CN220816498 U CN 220816498U
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- CN
- China
- Prior art keywords
- pressure
- steel ball
- bin
- transmission case
- difference value
- 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.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000010687 lubricating oil Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
The utility model discloses an automatic balancing device for internal and external pressure of a transmission case, which comprises a body, wherein a step cylinder wall connecting the inside and the outside is arranged on the body, a movable steel ball is arranged in the middle of the step cylinder wall, fixed pressure springs are respectively arranged on two sides of the movable steel ball, and the other end of a threaded end is contacted with a threaded end cover. According to the utility model, the two end covers are respectively positioned in the bin and outside the bin of the sealed box body, the pressure relief difference value is set by adjusting the threaded end covers at the two ends, when the pressure difference value is larger than the set value, one end with the larger pressure value pushes the steel ball to move, when the steel ball moves through the pressure relief opening, the pressure relief Kong Chuqi is released, the high pressure is gradually reduced to gradually reduce the air pressure, when the pressure difference returns to the set pressure relief difference value, the steel ball moves back to the original position under the action of the spring force, at the moment, the pressure difference value between the inner side and the outer side of the bin reaches the set value, the lubricating oil is prevented from leaking, the gearbox is protected, and the service life of the gearbox is prolonged.
Description
Technical Field
The utility model relates to an automatic balancing device for internal and external pressure of a transmission case.
Background
In the sealed moving mechanism bin, parts (such as gears, friction plates, bearings and the like) for transmitting movement transmit and change the rotating speed, and meanwhile, a considerable part of mechanical energy is converted into heat energy through friction, and when the heat energy is excessively accumulated, the temperature in the sealed bin is increased to cause the increase of the air pressure in the bin and the pressure difference between the sealed bin and the outside of the bin is formed. When the pressure difference exceeds a certain limit, the sealing in the sealed moving mechanism bin can cause damage to oil leakage (lubricating oil), and when each part of the mechanism lacks the lubricating oil, the abrasion of the part can be aggravated to cause burn and discard. The problem of dripping and leaking is a long-term problem of the transmission case body.
Disclosure of utility model
In order to solve the technical problems in the prior art, the utility model provides the automatic balancing device for the internal and external pressure of the transmission case body, which can automatically release pressure when the transmission case body is excessively pressurized, prevent lubricating oil from leaking, protect the transmission case and prolong the service life of the transmission case body.
The technical scheme adopted by the utility model is as follows: the automatic balancing device for the internal and external pressure of the transmission case body comprises a body, wherein a step cylinder wall connecting the internal and external pressure is arranged on the body, a movable steel ball is arranged in the middle of the step cylinder wall, fixed pressure springs are respectively arranged on two sides of the movable steel ball, and the other ends of the fixed pressure springs are in contact with a threaded end cover.
Furthermore, the constant pressure spring is a conical spring.
The utility model has the beneficial effects that: according to the utility model, the two end covers are respectively positioned in the bin and outside the bin of the sealed box body, the pressure relief difference value is set by adjusting the threaded end covers at the two ends, when the pressure difference value is larger than the set value, one end with the larger pressure value pushes the steel ball to move, when the steel ball moves through the pressure relief opening, the pressure relief Kong Chuqi is released, the high pressure is gradually reduced to gradually reduce the air pressure, when the pressure difference returns to the set pressure relief difference value, the steel ball moves back to the original position under the action of the spring force, at the moment, the pressure difference value between the inner side and the outer side of the bin reaches the set value, the lubricating oil is prevented from leaking, the gearbox is protected, and the service life of the gearbox is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1, fig. 1 is a schematic structural diagram of the present utility model. The utility model comprises a body 1, wherein a step cylinder wall 5 for connecting the inside and the outside is arranged on the body, a movable steel ball 4 is arranged in the middle of the step cylinder wall 5, constant pressure springs 2 are respectively arranged on two sides of the movable steel ball 4, the other ends of the constant pressure springs 2 are contacted with a threaded end cover 3, the constant pressure springs 2 are conical springs, and the threaded end cover 3 is respectively connected with the inside and the outside of a bin of a sealed box body.
The working principle of the utility model is as follows: the pressure relief difference is set by adjusting the threaded end covers at the two ends, when the pressure difference is larger than a set value, one end with a large pressure value pushes the steel ball to move, when the steel ball moves through the pressure relief opening, the pressure is relieved Kong Chuqi, the pressure is relieved and the pressure is gradually reduced by one side of gradually reducing the high pressure, when the pressure difference returns to the set pressure relief difference, the steel ball moves back to the original position under the action of the spring force, and at the moment, the pressure difference between the inside and the outside of the bin reaches the set value. The set point should not be set to exceed the minimum limit of the seal components that would otherwise cause seal failure.
Claims (2)
1. The automatic balancing device for the internal and external pressure of the transmission case body is characterized by comprising a body, wherein a step cylinder wall connecting the inside and the outside is arranged on the body, a movable steel ball is arranged in the middle of the step cylinder wall, fixed pressure springs are respectively arranged on two sides of the movable steel ball, and the other ends of the fixed pressure springs are contacted with a threaded end cover.
2. The automatic balancing device for internal and external pressure of a transmission case according to claim 1, wherein the constant pressure spring is a conical spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322522646.3U CN220816498U (en) | 2023-09-18 | 2023-09-18 | Automatic balancing device for internal and external pressure of transmission case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322522646.3U CN220816498U (en) | 2023-09-18 | 2023-09-18 | Automatic balancing device for internal and external pressure of transmission case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816498U true CN220816498U (en) | 2024-04-19 |
Family
ID=90703742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322522646.3U Active CN220816498U (en) | 2023-09-18 | 2023-09-18 | Automatic balancing device for internal and external pressure of transmission case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816498U (en) |
-
2023
- 2023-09-18 CN CN202322522646.3U patent/CN220816498U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |