CN205311632U - Hydraulic switch machine is breather valve for oil tank - Google Patents
Hydraulic switch machine is breather valve for oil tank Download PDFInfo
- Publication number
- CN205311632U CN205311632U CN201521040204.4U CN201521040204U CN205311632U CN 205311632 U CN205311632 U CN 205311632U CN 201521040204 U CN201521040204 U CN 201521040204U CN 205311632 U CN205311632 U CN 205311632U
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- Prior art keywords
- fuel tank
- steel ball
- small steel
- tank plug
- plug
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- Expired - Fee Related
Links
- 239000002828 fuel tank Substances 0.000 claims abstract description 66
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 239000003921 oil Substances 0.000 claims description 15
- 239000010721 machine oil Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
本实用新型涉及转辙机技术领域，尤其涉及一种液压转辙机油箱用通气阀，包括油箱堵、大钢珠、油箱堵盖、小钢珠、O型密封圈、油箱堵上盖，所述油箱堵上带有通气孔，所述油箱堵内部的横截面呈锥形，所述大钢珠置于所述油箱堵中，所述油箱堵盖设置在所述油箱堵上盖中，所述油箱堵上盖与所述油箱堵连接，所述油箱堵盖底上带有小钢珠过孔，所述小钢珠过孔的直径大于所述小钢珠的直径，所述小钢珠置于所述大钢珠与所述油箱堵盖之间，所述O型密封圈置于所述油箱堵盖的根部。本通气阀结构简单，安装便捷，在装运过程中转辙机如发生较大倾斜或倒置时，大钢珠由于重力作用带动小钢珠运动，将小钢珠压在O型密封圈上，起密封作用防止油外泄。
The utility model relates to the technical field of switch machines, in particular to a vent valve for a fuel tank of a hydraulic switch machine, comprising a fuel tank plug, a large steel ball, a fuel tank plug cover, a small steel ball, an O-shaped sealing ring, and a fuel tank plug cover. There are vent holes on the plug, the internal cross section of the fuel tank plug is conical, the large steel ball is placed in the fuel tank plug, the fuel tank plug cover is set in the fuel tank plug cover, and the fuel tank plug The upper cover is connected with the fuel tank plug, and there is a small steel ball hole on the bottom of the fuel tank plug, the diameter of the small steel ball hole is larger than the diameter of the small steel ball, and the small steel ball is placed between the big steel ball and the Between the fuel tank caps, the O-ring is placed at the root of the fuel tank caps. The breather valve has a simple structure and is easy to install. If the switch machine is greatly tilted or inverted during shipment, the large steel ball will drive the small steel ball to move due to gravity, and the small steel ball will be pressed on the O-shaped sealing ring to play a sealing role to prevent oil leakage. Leaked.
Description
技术领域 technical field
本实用新型涉及转辙机技术领域，尤其涉及一种液压转辙机油箱用通气阀。 The utility model relates to the technical field of switch machines, in particular to a vent valve for a hydraulic switch machine oil tank.
背景技术 Background technique
目前，转辙机运行时油箱需安装通气阀，以防止油箱内形成负压，利于油泵运行。现有技术中，在装运过程中转辙机如发生较大倾斜或倒置，致使液压油泄露，油泵不能正常工作。因此亟待开发出一种通气阀，在正常状态能够使空气进入油箱且在转辙机倾斜时能够防止液压油泄露。 At present, when the switch machine is running, the oil tank needs to be equipped with a vent valve to prevent negative pressure in the oil tank and facilitate the operation of the oil pump. In the prior art, if the switch machine is greatly tilted or inverted during shipment, the hydraulic oil will leak and the oil pump will not work normally. Therefore urgently need to develop a kind of breather valve, can make air enter fuel tank in normal state and can prevent hydraulic oil from leaking when switch machine tilts.
实用新型内容 Utility model content
本实用新型的目的在于克服上述技术的不足，而提供一种液压转辙机油箱用通气阀，既能在转辙机倾斜时防止液压油的泄露，又能够在正常状态下使空气进入油箱。 The purpose of this utility model is to overcome the shortcomings of the above-mentioned technologies, and provide a vent valve for hydraulic switch machine oil tank, which can not only prevent the leakage of hydraulic oil when the switch machine is tilted, but also allow air to enter the oil tank under normal conditions.
本实用新型为实现上述目的，采用以下技术方案：一种液压转辙机油箱用通气阀，其特征在于：包括油箱堵、大钢珠、油箱堵盖、小钢珠、O型密封圈、油箱堵上盖，所述油箱堵上带有通气孔，所述油箱堵内部的横截面呈锥形，所述大钢珠置于所述油箱堵中，所述油箱堵盖设置在所述油箱堵上盖中，所述油箱堵上盖与所述油箱堵连接，所述油箱堵盖底上带有小钢珠过孔，所述小钢珠过孔的直径大于所述小钢珠的直径，所述小钢珠置于所述大钢珠与所述油箱堵盖之间，所述O型密封圈置于所述油箱堵盖的根部。 In order to achieve the above object, the utility model adopts the following technical solutions: a vent valve for the oil tank of a hydraulic switch machine, which is characterized in that it includes a fuel tank plug, a large steel ball, a fuel tank plug, a small steel ball, an O-shaped sealing ring, and a fuel tank plug There is a vent hole on the fuel tank plug, the internal cross section of the fuel tank plug is conical, the large steel ball is placed in the fuel tank plug, and the fuel tank plug cover is set in the fuel tank plug cover , the fuel tank plug cover is connected with the fuel tank plug, the bottom of the fuel tank plug cap has a small steel ball through hole, the diameter of the small steel ball through hole is larger than the diameter of the small steel ball, and the small steel ball is placed Between the large steel ball and the fuel tank cap, the O-ring is placed at the root of the fuel tank cap.
所述小钢珠过孔的前部设有锥形面。 The front part of the small steel ball hole is provided with a tapered surface.
所述油箱堵通过螺纹连接在油箱上。 The fuel tank plug is connected to the fuel tank by threads.
所述大钢珠的直径大于所述小钢珠过孔的直径。 The diameter of the large steel ball is larger than the diameter of the small steel ball through hole.
本实用新型的有益效果是:本通气阀结构简单，安装便捷，转辙机在正常位置状态下，空气能够通过油箱堵的通气孔进入油箱(虚线为空气路线)，避免运行时油箱的油形成负压。在装运过程中转辙机如发生较大倾斜或倒置时，大钢珠由于重力作用带动小钢珠运动，将小钢珠压在O型密封圈上，起密封作用防止油外泄。 The beneficial effects of the utility model are: the ventilation valve is simple in structure and easy to install. When the switch machine is in the normal position, air can enter the fuel tank through the vent hole blocked by the fuel tank (the dotted line is the air route), so as to avoid the formation of oil in the fuel tank during operation. Negative pressure. If the switch machine is tilted or turned upside down during shipment, the large steel ball will drive the small steel ball to move due to the gravity, and press the small steel ball on the O-ring to prevent oil leakage.
附图说明 Description of drawings
图1是本实用新型的结构示意图； Fig. 1 is the structural representation of the utility model;
图2是本实用新型倒装时的状态图。 Fig. 2 is a state diagram when the utility model is inverted.
具体实施方式 detailed description
下面结合附图及较佳实施例详细说明本实用新型的具体实施方式。如图1图2所示，一种液压转辙机油箱用通气阀，包括油箱堵1、大钢珠2、油箱堵盖3、小钢珠4、O型密封圈5、油箱堵上盖6，所述油箱堵上带有通气孔7，所述油箱堵内部的横截面呈锥形，所述大钢珠置于所述油箱堵中，所述油箱堵盖设置在所述油箱堵上盖中，所述油箱堵上盖与所述油箱堵连接，所述油箱堵盖底上带有小钢珠过孔8，所述小钢珠过孔的直径大于所述小钢珠的直径，所述小钢珠置于所述大钢珠与所述油箱堵盖之间，所述O型密封圈置于所述油箱堵盖的根部。所述小钢珠过孔的前部设有锥形面9。所述油箱堵通过螺纹连接在油箱上。所述大钢珠的直径大于所述小钢珠过孔的直径。 The specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments. As shown in Fig. 1 and Fig. 2, a breather valve for a fuel tank of a hydraulic switch machine includes a fuel tank plug 1, a large steel ball 2, a fuel tank cap 3, a small steel ball 4, an O-ring 5, and a fuel tank cap 6. The fuel tank plug is provided with a vent hole 7, the cross section inside the fuel tank plug is conical, the large steel ball is placed in the fuel tank plug, and the fuel tank plug cover is arranged in the fuel tank plug cover, so The fuel tank plug cover is connected with the fuel tank plug, the bottom of the fuel tank plug cap has a small steel ball hole 8, the diameter of the small steel ball hole is larger than the diameter of the small steel ball, and the small steel ball is placed in the Between the large steel ball and the fuel tank cap, the O-ring is placed at the root of the fuel tank cap. The front part of the small steel ball hole is provided with a tapered surface 9 . The fuel tank plug is connected to the fuel tank by threads. The diameter of the large steel ball is larger than the diameter of the small steel ball through hole.
如图1所示，油箱堵1通过螺纹连接在油箱上，转辙机在正常位置状态下，空气能够通过油箱堵1的孔进入油箱(虚线为空气路线)，避免运行时油箱的油形成负压。 As shown in Figure 1, the fuel tank plug 1 is connected to the fuel tank through threads. When the switch machine is in the normal position, the air can enter the fuel tank through the hole of the fuel tank plug 1 (the dotted line is the air route), so as to avoid the oil in the fuel tank from forming negative pressure during operation. pressure.
如图2所示，在装运过程中转辙机如发生较大倾斜或倒置时，大钢珠2由于重力作用带动小钢珠4运动，将小钢珠4压在O型密封圈5上，起密封作用防止油外泄。 As shown in Figure 2, if the switch machine is tilted or inverted during shipment, the large steel ball 2 will drive the small steel ball 4 to move due to gravity, and press the small steel ball 4 on the O-ring 5 to play a sealing role to prevent Oil leaks.
以上所述仅是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本实用新型的保护范围。 The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made. Retouching should also be regarded as the scope of protection of the present utility model.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040204.4U CN205311632U (en) | 2015-12-11 | 2015-12-11 | Hydraulic switch machine is breather valve for oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521040204.4U CN205311632U (en) | 2015-12-11 | 2015-12-11 | Hydraulic switch machine is breather valve for oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205311632U true CN205311632U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521040204.4U Expired - Fee Related CN205311632U (en) | 2015-12-11 | 2015-12-11 | Hydraulic switch machine is breather valve for oil tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN205311632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864478A (en) * | 2015-12-11 | 2017-06-20 | 天津辉煌路阳科技有限公司 | Hydraulic point machine fuel tank breather valve |
-
2015
- 2015-12-11 CN CN201521040204.4U patent/CN205311632U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864478A (en) * | 2015-12-11 | 2017-06-20 | 天津辉煌路阳科技有限公司 | Hydraulic point machine fuel tank breather valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |