CN218780735U

CN218780735U - Gear box ventilation structure

Info

Publication number: CN218780735U
Application number: CN202223106893.7U
Authority: CN
Inventors: 孙平; 孙浩阳; 徐敏
Original assignee: Nanjing Lide Transmission Technology Co ltd
Current assignee: Nanjing Lide Transmission Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-31
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to a gear box ventilation structure technical field just discloses a gear box ventilation structure, including the respirator main part, the inside of respirator main part is run through and has been seted up the round hole, and the upper surface of respirator main part has a distance net with the position movable mounting that the round hole corresponds, and the bottom central point that separates the net puts the rotation and installs the fan leaf of blowing, and the bottom of fan leaf of blowing is provided with the motor, the output fixed mounting of motor has the connecting axle, and another end of connecting axle puts fixed connection with fan leaf bottom central point of blowing. This kind of gear box ventilation structure through the inside at the round hole sets up clean pole and scraper blade for the fan blade of blowing in this ventilation structure can be in step cleaned its round hole inner wall when rotating, need not the user and will separate net and motor and dismantle the back when additionally clear up the inner wall of round hole, also avoid simultaneously that the inner wall of round hole is long-time unclean to lead to the greasy dirt of accumulation on it to drop to other parts of ventilation structure below.

Description

Gear box ventilation structure

Technical Field

The utility model relates to a gear box ventilation structure technical field specifically is a gear box ventilation structure.

Background

High-speed gearboxes, in particular high-speed gearboxes for rail vehicles with linear gear speeds of more than 40m/s, generally need to be provided with a gearbox ventilation device for ensuring the relative balance between the internal air pressure of a box body and the external atmospheric pressure so as to avoid the leakage of lubricating oil caused by the overlarge air pressure in the box body. The common method is to directly drill a ventilation mounting hole on the box body or the bearing seat, mount a breather on the box body, and directly communicate the breather with the interior of the box body.

Existing gearbox breather structures also suffer from deficiencies, such as; the existing gear box ventilation structure has the advantages that oil mist can be attached to the inner wall of a respirator to pollute the inner wall of the respirator, and the ventilation can be carried out passively and cannot be carried out actively.

In the prior art, patent No. CN215257746U discloses a gearbox ventilation structure, which includes a fixed disk, wherein a ventilation mechanism is arranged in the fixed disk; the ventilation mechanism comprises a threaded hole, a threaded barrel, a connecting barrel, a fixing frame, a first waterproof breathable film, a first fixing bolt and an annular inclined plate; threaded holes are formed in the left side and the right side of the inner portion of the fixed disc, and threaded cylinders are connected to the inner portions of the threaded holes in a threaded mode. The utility model discloses an annular swash plate in the screw thread section of thick bamboo enters into the inside back of screw thread section of thick bamboo at the oil mist, can pass through annular swash plate, blocks the oil mist, collects the oil mist inside annular swash plate, is convenient for clean annular oil mist, sets up waterproof ventilated membrane in the connecting cylinder front side, can increase the area of ventilating, utilizes waterproof ventilated membrane simultaneously, prevents water effectively, moreover, through the setting of screw thread section of thick bamboo and screw hole, can screw out venting mechanism, is convenient for clean venting mechanism.

This technical scheme is when using, can be used to solve the problem that can't carry out active ventilation, however, above-mentioned technical scheme is when using, and the inner wall of round hole is very easily accumulated the greasy dirt at the in-process of long-time use, will separate net and motor etc. and take off the back at the user and often need the outside inside to the round hole clean, and the operation is comparatively troublesome, if clear up for a long time, the greasy dirt of accumulation can drip to other parts that the respirator is located the respirator below under the effect of gravity on the round hole inner wall.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gear box ventilation structure to prior art's is not enough for the device can clear up the greasy dirt of round hole inner wall in step when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gear box ventilation structure, includes the respirator main part, and the inside of respirator main part is run through and has been seted up the round hole, and the upper surface of respirator main part has the net that separates with the position movable mounting that the round hole corresponds, and the bottom central point that separates the net puts and rotates and install the fan of blowing leaf, and the bottom of blowing leaf is provided with the motor, the output fixed mounting of motor has the connecting axle, and another end of connecting axle and the fan of blowing leaf bottom central point put fixed connection, and the outer wall fixed mounting of connecting axle has the clean pole that two symmetries set up, and the one end fixed mounting that the connecting axle was kept away from to clean pole has the scraper blade.

Preferably, the dirty ring of collection is installed to the inside lower extreme joint of round hole, and dirty groove of collection has been seted up to dirty ring upper surface of collection.

Preferably, a support rod is arranged between the dirt collecting ring and the motor, and two ends of the support rod are fixedly connected with the inner wall of the dirt collecting ring and the outer wall of the motor respectively.

Preferably, the inner wall lower extreme fixed mounting of round hole has the installation piece of two symmetries settings, and the last fixed surface of installation piece installs the inserted bar, and the slot has been seted up with the position that the inserted bar corresponds in the bottom of dirty ring of collection.

Preferably, the cross section of the scraper blade is triangular.

Preferably, the inner wall of the sewage collecting groove formed in the upper surface of the sewage collecting ring is obliquely arranged.

Preferably, the upper end of the inserted link is provided with a chamfer.

Compared with the prior art, the utility model discloses possess following beneficial effect:

this kind of gear box ventilation structure through the inside at the round hole sets up clean pole and scraper blade for the fan blade of blowing in this ventilation structure can be in step cleaned its round hole inner wall when rotating, need not the user and will separate net and motor and dismantle the back when additionally clear up the inner wall of round hole, also avoid simultaneously that the inner wall of round hole is long-time unclean to lead to the greasy dirt of accumulation on it to drop to other parts of ventilation structure below.

Drawings

Fig. 1 is a schematic view of the overall structure of the main body of the present invention;

FIG. 2 is a schematic sectional view of the main body structure of the respirator of the main body of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view showing the position distribution of the cleaning rods according to the present invention;

fig. 5 is a schematic view of the connection between the mounting block and the insertion rod structure of the present invention.

In the figure: 1. a respirator body; 2. separating the net; 3. a blower blade; 4. a motor; 5. a connecting shaft; 6. a cleaning rod; 7. a squeegee; 8. a dirt collecting ring; 9. a support bar; 10. mounting a block; 11. inserting a rod; 12. a circular hole.

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.

Examples

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements relevant to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning

Referring to fig. 1-5, a gear box ventilation structure comprises a respirator body 1, a round hole 12 is formed in the respirator body 1 in a penetrating mode, a separation net 2 is movably mounted on the upper surface of the respirator body 1 in a position corresponding to the round hole 12, a blowing fan blade 3 is rotatably mounted at the center of the bottom of the separation net 2, a motor 4 is arranged at the bottom of the blowing fan blade 3, a connecting shaft 5 is fixedly mounted at the output end of the motor 4, the other end of the connecting shaft 5 is fixedly connected with the center of the bottom of the blowing fan blade 3, two cleaning rods 6 which are symmetrically arranged are fixedly mounted on the outer wall of the connecting shaft 5, and a scraper 7 is fixedly mounted at one end, away from the connecting shaft 5, of each cleaning rod 6.

The utility model discloses in the gear box ventilation structure who proposes, when this ventilation structure normal use, motor 4 drive blower fan leaf 3 rotates, realizes this ventilation structure's quick ventilation, the utility model discloses a main structure is similar with the main structure of the gear box ventilation structure that patent number CN215257746U discloses, the technical scheme of the utility model fixed mounting two clean poles 6 on 5 outer walls of connecting axle with motor 4 output shaft fixed connection, when blower fan leaf 3 rotates, two clean poles 6 that lie in blower fan leaf 3 below and set up can strike off the inner wall of round hole 12, when motor 4 drive connecting axle 5 rotates, clean pole 6 terminal fixed mounting's scraper blade 7 can scrape the clearance along the greasy dirt that the inner wall of round hole 12 will attach to on its inner wall, need not that the user carries out extra clearance to the inside of round hole 12 at the in-process of follow-up use, also avoided the round hole to drip down on other parts of respirator main part 1 below under the effect of gravity for a long time simultaneously.

Further, as shown in fig. 2, dirty ring 8 of collection is installed to the spacing joint of inside lower extreme of round hole 12, and dirty groove of collection has been seted up to dirty ring 8 upper surface of collection, but the dirty greasy dirt that scrapes off of scraper blade 7 of setting up of collection ring 8 is collected, can be used to prevent that the greasy dirt from gathering the back and dripping, when the user will separate net 2 and motor 4 and take off and clear up, can take out dirty ring 8 of collection in step and concentrate the clearance.

Further, as shown in fig. 3, be provided with bracing piece 9 between dirty ring 8 of collection and the motor 4, the both ends of bracing piece 9 respectively with dirty ring 8 inner wall of collection and the outer wall fixed connection of motor 4, bracing piece 9's setting can play the supporting role to motor 4, simultaneously, bracing piece 9 can play spacing fixed effect to motor 4, can prevent that motor 4 from leading to idle running because unsettled when using.

Further, as shown in fig. 3, the inner wall lower extreme fixed mounting of round hole 12 has two installation pieces 10 that the symmetry set up, and the last fixed surface of installation piece 10 installs inserted bar 11, and the slot has been seted up with the position that inserted bar 11 corresponds to the bottom of the dirty ring 8 of collection, and when dirty ring 8 of installation collection, the user can install it inside round hole 12 with its vertical inside of putting into then the slot on the dirty ring 8 of insertion collection that inserted bar 11 corresponds inside can be fast accurately installing it to round hole 12.

Further, as shown in fig. 4, the cross section of the scraper 7 is triangular, and the triangular arrangement can be used to reduce the contact area between the scraper 7 and the inner wall of the circular hole 12, so that the tail end of the scraper 7 is more attached to the inner wall of the circular hole 12, and the scraping efficiency of the scraper 7 on the inner wall of the circular hole 12 is further improved.

Further, as shown in fig. 3, the inner wall of the dirt collecting groove formed on the upper surface of the dirt collecting ring 8 is inclined, and the inclined inner wall can reduce the area of the upper surface of the dirt collecting ring 8, thereby preventing the oil dirt from falling on the upper surface of the dirt collecting ring 8.

Further, as shown in fig. 3 and 5, a chamfer is formed at the upper end of the insertion rod 11, and the insertion rod 11 can be inserted into the slot formed in the dirt collecting ring 8 conveniently due to the chamfer.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a gear box ventilation structure, includes respirator main part (1), and round hole (12) have been seted up in the inside of respirator main part (1) is run through, and the position movable mounting that the upper surface of respirator main part (1) corresponds with round hole (12) has a net (2) of separating, separates the bottom central point that net (2) puts to rotate and installs blowing fan leaf (3), and the bottom of blowing fan leaf (3) is provided with motor (4), its characterized in that: the output fixed mounting of motor (4) has connecting axle (5), and another end of connecting axle (5) puts fixed connection with fan blade (3) bottom center of blowing, and the outer wall fixed mounting of connecting axle (5) has clean pole (6) that two symmetries set up, and the one end fixed mounting that connecting axle (5) were kept away from in clean pole (6) has scraper blade (7).

2. A gearbox ventilation structure as defined in claim 1, wherein: dirty ring (8) of collection are installed to the inside lower extreme joint of round hole (12), and dirty groove of collection has been seted up to dirty ring (8) upper surface of collection.

3. A gearbox ventilation structure according to claim 2, wherein: a support rod (9) is arranged between the dirt collecting ring (8) and the motor (4), and two ends of the support rod (9) are fixedly connected with the inner wall of the dirt collecting ring (8) and the outer wall of the motor (4) respectively.

4. A gearbox ventilation structure as defined in claim 2, wherein: the inner wall lower extreme fixed mounting of round hole (12) has two installation pieces (10) that the symmetry set up, and the last fixed surface of installation piece (10) installs inserted bar (11), and the slot has been seted up with the position that inserted bar (11) correspond in the bottom of dirty ring (8) of collection.

5. A gearbox ventilation structure as defined in claim 1, wherein: the cross section of the scraper (7) is arranged in a triangular shape.

6. A gearbox ventilation structure according to claim 3, wherein: the inner wall of the sewage collection groove formed in the upper surface of the sewage collection ring (8) is obliquely arranged.

7. A gearbox ventilation structure according to claim 4, wherein: the upper end of the inserted bar (11) is provided with a chamfer.