CN212616210U

CN212616210U - Breathable cap connector

Info

Publication number: CN212616210U
Application number: CN202021152111.1U
Authority: CN
Inventors: 刘佳汶
Original assignee: Chongqing Gearbox Co Ltd
Current assignee: Chongqing Gearbox Co Ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-26
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a ventilative cap joint, include the first body of being connected with the end cover erection and be the second body that the L type set up with first body, the installation department on first body upper portion is used for from the below cartridge of end cover in the end cover, and the upper end of installation department need pass the end cover and be connected with ventilative cap to install ventilative cap in the upper end of first body, and ventilate through first body and second body and box. Because the second body is the setting of L type with first body, when first body was installed on the end cover promptly, the top of second body transversely arranged in the box can block the lubricating oil that splashes to avoid lubricating oil and ventilative cap contact, avoid ventilative cap inefficacy and cause the risk of gear box oil leak.

Description

Breathable cap connector

Technical Field

The utility model relates to a gear box technical field that ventilates, more specifically say, relate to a ventilative cap connects.

Background

At present, wind-powered electricity generation gear box ventilation cap generally assembles on observing the end cover, because at gear revolve's in-process, the gear can drive the internal lubricating oil of gear box and rotate and upwards splash and get into the ventilation cap on the end cover, too much lubricating oil gets into the ventilation cap and can lead to the drier in the ventilation cap to glue, causes the bleeder vent to block up to lead to the risk that the ventilation cap became invalid and cause the gear box oil leak.

Therefore, how to solve the problem that the ventilation cap is easy to lose effectiveness is a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a ventilative cap connects can prevent lubricating oil and the ventilative cap direct contact that splashes to avoid the ventilative cap on the end cover to become invalid and cause the risk of gear box oil leak.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a ventilative cap joint, includes first body, the upper portion of first body is for being used for from the below cartridge of end cover in the end cover and pass the installation department of end cover in order to connect ventilative cap, the sub-unit connection of first body have with first body is the second body that the L type set up.

Preferably, the inner wall of the mounting part is provided with an internal thread for mounting the ventilation cap; the outer wall of installation department is equipped with the external screw thread and is used for propping the annular step face of end cover to through revolve twist in fastening nut on the external screw thread will first body is fixed on the end cover, just the external screw thread is fine thread or pipe thread.

Preferably, the annular step surface is provided with a first sealing ring, and the annular step surface further comprises a second sealing ring arranged between the fastening nut and the end cover.

Preferably, an included angle between the first pipe and the second pipe is between 90 ° and 100 °.

Preferably, the inner wall of the second pipe body is provided with a plurality of condensation nets for blocking and cooling the volatile gas.

Preferably, the second body includes a plurality of connecting pipes that pass through the screw thread connection, the condensation net set up in the screw thread junction of connecting pipe.

Preferably, the condensation net is a metal net.

The utility model provides a ventilative cap connects, include the first body of being connected with end cover erection and be the second body that the L type set up with first body, the installation department on first body upper portion is used for from the below cartridge of end cover in the end cover, and the upper end of installation department need pass the end cover and be connected with ventilative cap to install ventilative cap in the upper end of first body, and ventilate through first body and second body and box. Because the second body is the setting of L type with first body, when first body was installed on the end cover promptly, the top of second body transversely arranged in the box can block the lubricating oil that splashes to avoid lubricating oil and ventilative cap contact, avoid ventilative cap inefficacy and cause the risk of gear box oil leak.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic view of the venting cap adapter of the present invention installed on an end cap;

fig. 2 is a schematic view of an embodiment of the joint of the ventilation cap of the present invention.

The device comprises a first pipe body 1, an annular step surface 11, an external thread 12, an internal thread 13, a second pipe body 2, a connecting pipe 21, a condensation net 22, an end cover 3, a fastening nut 4, a first sealing ring 5 and a second sealing ring 6.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a ventilative cap joint, can prevent the lubricating oil that splashes and ventilative cap direct contact to avoid the ventilative cap on the end cover to become invalid and cause the risk of gear box oil leak.

Referring to fig. 1 to 2, fig. 1 is a schematic view illustrating a ventilation cap joint of the present invention mounted on an end cover; fig. 2 is a schematic view of an embodiment of the joint of the ventilation cap of the present invention.

The utility model provides a ventilative cap joint, including first body 1, the upper portion of first body 1 is for being used for from the below cartridge of end cover 3 in end cover 3 and pass the installation department of end cover 3 in order to connect ventilative cap, and the sub-unit connection of first body 1 has the second body 2 that is the setting of L type with the installation department.

Wherein, first body 1 and second body 2 can be cylindrical tubular structure, and the upper portion of first body 1 is the installation department that is used for installing on end cover 3, and the installation department need follow the below cartridge of end cover 3 on the bleeder vent of end cover 3, and simultaneously, the upper end of installation department need pass end cover 3, and the upper end of installation department need expose in the top of end cover 3 promptly to be connected with ventilative cap.

Second body 2 is connected in the lower extreme of first body 1, and second body 2 is the L type setting with first body 1, so, when the upper end cartridge of first body 1 is on end cover 3, second body 2 is in the gear box body, and second body 2 is horizontal the top of locating the gear box body, ventilative cap is through first body 1 and second body 2 and gear box body intercommunication in order to ventilate, because second body 2 is horizontal the top of gear box in, the opening direction of second body 2 is towards the lateral wall of gear box, when gear rotation drives lubricating oil upwards and splashes, consequently, second body 2 can block the lubricating oil that upwards splashes, prevent to splash the ventilative cap contact of lubricating oil and first body 1 upper end.

It should be noted that, because the inner diameter of the second pipe 2 should not be too large, under the condition that the normal function of the ventilation cap can be ensured, the inner diameter of the second pipe 2 should be as small as possible, so as to avoid the splashed lubricating oil from entering the second pipe 2 from the orifice of the second pipe 2. Of course, the ventilation cap joint provided by the utility model can also be used in other structures except the gear box which need to prevent liquid from splashing and contacting with the ventilation cap.

To sum up, the utility model provides a ventilative cap connects, include the first body 1 with 3 erection joint of end cover and be the second body 2 that the L type set up with first body 1, the installation department on 1 upper portion of first body is used for from the below cartridge of end cover 3 in end cover 3, and the upper end of installation department need pass end cover 3 and ventilative cap connection to install ventilative cap in the upper end of first body 1, and ventilate through first body 1 and second body 2 and box. Because second body 2 is the setting of L type with first body 1, when first body 1 was installed on end cover 3 promptly, second body 2 transversely arranged in the top of box can block the lubricating oil that splashes to avoid lubricating oil and ventilative cap contact, avoid ventilative cap inefficacy and cause the risk of gear box oil leak.

On the basis of the above embodiment, in consideration of the specific arrangement of the mounting portion, it is preferable that the inner wall of the mounting portion is provided with an internal thread 13 for mounting the ventilation cap; the outer wall of the mounting portion is provided with an external thread 12 and an annular stepped surface 11 for abutting against the end cap 3 to fix the first pipe body 1 to the end cap 3 by a fastening nut 4 screwed on the external thread 12.

That is, in this embodiment, an internal thread 13 connected to the ventilation cap is provided on the inner wall of the mounting portion to fix the ventilation cap to the upper end of the first pipe 1 by screwing, the outer wall of the mounting portion is provided with an external thread 12 and an annular step surface 11, the annular step surface 11 is used for abutting against the lower end surface of the end cap 3, the external thread 12 is used for cooperating with a nut to fix the first pipe 1 to the end cap 3 by screwing the fastening nut 4 on the external thread 12, thereby ensuring the stability of mounting the first pipe 1 and the convenience of mounting and dismounting. And the external screw thread is fine thread or pipe thread to guarantee thread sealing, prevent the oil leak, adopt sealed screw thread to further prevent the lubricating oil seepage promptly.

On the basis of the above embodiment, in order to ensure the sealing performance of the connection between the first pipe body 1 and the end cap 3, it is preferable that the annular step surface 11 is provided with the first sealing ring 5, and further includes the second sealing ring 6 arranged between the fastening nut 4 and the end cap 3. Namely, the mounting part is connected with the end cover 3 through the first sealing ring 5 and the second sealing ring 6 in a sealing way.

In addition to the above embodiments, in order to prevent the lubricant entering from the nozzle of the second pipe 2 from remaining in the second pipe 2, it is preferable that the angle between the first pipe 1 and the second pipe 2 is between 90 ° and 100 °. Set up second body 2 to the structure that the highly slightly low of mouth of a hole department in this embodiment promptly to, make the lubricating oil that gets into second body 2 can flow out naturally under the effect of gravity, guarantee the reliability that second body 2 ventilates.

On the basis of any of the above embodiments, considering that the volatile gas of the lubricating oil enters the first tube 1 along the second tube 2 and finally contacts with the gas permeable cap, the gas permeable cap will contact with the volatile gas for a long time and will reduce the service life of the gas permeable cap, and in order to reduce the contact between the volatile gas and the gas permeable cap, it is preferable that the inner wall of the second tube 2 is provided with a plurality of condensation nets 22 along the inner wall thereof for blocking and cooling the volatile gas.

That is, in this embodiment, through the condensation net 22 that sets up a plurality of network structure on the inner wall of second body 2, when lubricating oil passes through condensation net 22 easily takes place for oil vapour etc., condensation net 22 can play certain separation effect, and the lower condensation net 22 of temperature can play the effect of cooling volatile gas, make in the liquefaction back of volatile gas along second body 2 flow back box to reduce the contact of volatile gas and ventilative cap, improve the life of ventilative cap. In particular, the second tubular body 2 is provided with three condensation nets 22.

In addition to the above-mentioned embodiments, considering the specific arrangement of the second pipe body 2, it is preferable that the second pipe body 2 includes a plurality of connection pipes 21 connected by screw threads, and the condensation net 22 is disposed at the screw thread connection of the connection pipes 21.

That is, in the embodiment, the second pipe body 2 is divided into a plurality of connecting pipes 21 which are connected by screw threads, so that the condensation net 22 is installed in the second pipe body 2, the condensation net 22 is disposed at the screw thread connection position of the connecting pipe 21, specifically, the condensation net 22 can be placed on the end surface of the connecting pipe 21, and then the metal is tightly fixed by screwing the connecting pipe 21. On the basis of the above embodiment, in consideration of the specific material selection of the condensation net 22, it is preferable that the condensation net 22 is a metal net, and specifically, the condensation net 22 is a steel wire net.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above is a detailed description of the ventilation cap joint provided by the utility model. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a ventilative cap connects, its characterized in that, includes first body (1), the upper portion of first body (1) is for being used for from the below cartridge of end cover (3) in end cover (3) and pass end cover (3) in order to connect the installation department of ventilative cap, the sub-unit connection of first body (1) with first body (1) is second body (2) that the L type set up.

2. The venting cap adapter as defined in claim 1, wherein the inner wall of said mounting portion is provided with an internal thread (13) for mounting a venting cap;

the outer wall of installation department is equipped with external screw thread (12) and is used for propping annular step face (11) of end cover (3) to through revolve twist in fastening nut (4) on external screw thread (12) will first body (1) is fixed on end cover (3), just the external screw thread is fine thread or pipe thread.

3. The venting cap coupling according to claim 2, wherein said annular step surface (11) is provided with a first sealing ring (5) and further comprises a second sealing ring (6) for being arranged between said fastening nut (4) and said end cap (3).

4. The venting cap joint according to claim 1, wherein the angle between the first tube (1) and the second tube (2) is comprised between 90 ° and 100 °.

5. The breathable cap connector according to any one of claims 1 to 4, characterized in that the inner wall of the second tubular body (2) is provided with a plurality of condensation nets (22) for blocking and cooling volatile gases.

6. The venting cap coupling according to claim 5, wherein the second tubular body (2) comprises a plurality of connecting pipes (21) screwed together, the condensation screen (22) being provided at the screwed connection of the connecting pipes (21).

7. The breathable cap connector according to claim 6, characterized in that the condensation screen (22) is a metal screen.