CN213575469U

CN213575469U - Metal gearbox cover

Info

Publication number: CN213575469U
Application number: CN202022339924.8U
Authority: CN
Inventors: 冯富勇
Original assignee: Dongguan Tuowan Industrial Co ltd
Current assignee: Dongguan Tuowan Industrial Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-29
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a gear box case lid of metal, including the gear box lid, the inside that the back wall of gear box lid just is located the gear box lid has seted up the spacing groove, the place ahead of gear box lid back wall and be located the spacing groove fixedly connected with spacing ring on every side, fixedly connected with strengthening rib between the side of spacing ring and the inner wall of gear box lid, the equal fixedly connected with left side ear in left side of both sides about the gear box lid, the equal fixedly connected with right side ear in upper and lower both sides on gear box lid right side, the utility model relates to a machine-building technical field. This gear box case lid of metal is provided with spacing ring and strengthening rib through the inside at the gear box lid, and the cooperation spacing groove has realized that the shake range that takes place at the gear box in work is little, and the accurate cooperation internal gear of wind energy just sets up 8 strengthening ribs, has greatly increased the structural strength of gear box lid, has increased the shock resistance when external force strikes, has increased life indirect reduction use and replacement cost.

Description

Metal gearbox cover

Technical Field

The utility model relates to a machine-building technical field specifically is a gear box case lid of metal.

Background

The gearbox is a gearbox which is an important part on a vehicle and can change the transmission ratio and enlarge the torque and the rotating speed of a driving wheel. With the development of modern science and technology, the gearbox is also upgraded, and the control is more and more convenient from the original manual gearbox to the current stepless gearbox from the synchronizer-free gearbox to the synchronizer-containing gearbox. At present, the engineering machinery widely adopts a diesel engine, the torque and rotating speed change range of the diesel engine is small, the requirements of a vehicle on traction force and running speed under various working conditions cannot be met, and a gearbox is required to solve the contradiction.

The performance of the existing gearbox is the key for measuring the dynamic property, the economical efficiency and the drivability of the engineering machinery. The current speed change systems mainly comprise: mechanical transmission, hydraulic transmission, hydrostatic transmission. The gearbox has manual gear shifting and power gear shifting, the structure has a fixed shaft type and a planetary type, and a gearbox cover which is an important component of the gearbox needs high hardness and sealing property to ensure that the gearbox can be prevented from being broken down in normal use, and the existing gearbox cover still has the problem of low strength and poor sealing property.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a gear box case lid of metal has solved the important component gear box case lid as the gearbox and then needs very high hardness and leakproofness, just can guarantee that the gearbox avoids breaking down when normal use, and current change gear case lid still has the poor problem of the low leakproofness of intensity.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a gear box case lid of metal, includes the gear box lid, the spacing groove has been seted up to the back wall of gear box lid and the inside that is located the gear box lid, the place ahead of wall just is located the fixedly connected with spacing ring around the spacing groove behind the gear box lid, fixedly connected with strengthening rib between the side of spacing ring and the inner wall of gear box lid, the equal fixedly connected with left side ear in left side of both sides about the gear box lid, the equal fixedly connected with right side ear in upper and lower both sides on gear box lid right side, both sides just are located the right-hand equal fixedly connected with spacing ear of left side ear about the gear box lid, the laminating mouth has all been seted up in the left side of both sides about the gear box lid, the laminating.

Preferably, the number of the reinforcing ribs is 8, and the reinforcing ribs are uniformly distributed on the side edge of the limiting ring.

Preferably, the gear box cover is integrally formed by injection molding, and the surfaces of the reinforcing ribs and the surface of the gear box cover are both subjected to fillet treatment.

Preferably, two spacing ears have seted up spacing hole in the inside, the top spacing ear is located the centre of top left side ear and top right side ear, the below spacing ear and the left side fixed connection of below right side ear.

Preferably, the bolt holes are formed in the left side lug and the right side lug, and the inner walls of the bolt holes are fixedly connected with fixing platforms.

Preferably, the front end of the gearbox cover is fixedly connected with a sealing ring matched with the appearance of the gearbox cover, and the thickness of the sealing ring is half of the thickness of the inner wall of the gearbox cover.

Advantageous effects

The utility model provides a gear box case lid of metal. Compared with the prior art, the method has the following beneficial effects:

(1) the metal gearbox cover comprises a gearbox cover, a limit groove is formed in the rear wall of the gearbox cover and is positioned in the gearbox cover, a limit ring is fixedly connected in front of the rear wall of the gearbox cover and is positioned around the limit groove, reinforcing ribs are fixedly connected between the side edges of the limit ring and the inner wall of the gearbox cover, left side lugs are fixedly connected on the left sides of the upper side and the lower side of the gearbox cover, right side lugs are fixedly connected on the upper side and the lower side of the right side of the gearbox cover, limit lugs are fixedly connected on the upper side and the lower side of the gearbox cover and positioned on the right side of the left side lugs, fitting ports are formed in the left sides of the upper side and the lower side of the gearbox cover, the fitting ports are arc-shaped, the number of the reinforcing ribs is 8, the reinforcing ribs are uniformly distributed on the side edges of the limit ring, the limit ring and the reinforcing ribs are arranged in the gearbox cover, the inside gear of accurate cooperation of wind energy, and set up 8 strengthening ribs, very big increase the structural strength of gear box cover, shock resistance when having increased external force and assaulted has increased life indirect reduction use and replacement cost.

(2) The metal gearbox cover is provided with limiting holes through the insides of two limiting lugs, the upper limiting lug is positioned between the upper left lug and the upper right lug, the lower limiting lug is fixedly connected with the left side of the lower right lug, bolt holes are respectively formed in the left lug and the right lug, the inner wall of each bolt hole is fixedly connected with a fixed platform, the front end of the gearbox cover is fixedly connected with a sealing ring matched with the appearance of the gearbox cover, the thickness of the sealing ring is half of that of the inner wall of the gearbox cover, the installation between the gearbox cover and the gearbox can be facilitated through the left lug and the right lug arranged on the side edge of the gearbox cover, and the special position setting is adopted, so that the gearbox cover is more reasonable to arrange, the positioning device can be used for more conveniently installing without using a little attempt, the installation process is accelerated, the gearbox oil leakage can be effectively avoided by the sealing rings in the use process of the gearbox, the sealing performance is increased.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a rear view of the present invention;

fig. 3 is a side view of the present invention.

In the figure: 1. a gearbox cover; 2. a limiting groove; 3. a limiting ring; 4. reinforcing ribs; 5. a left lateral ear; 6. a right lateral ear; 7. a limiting lug; 8. fitting the opening; 9. a limiting hole; 10. bolt holes; 11. a fixed table; 12. and (4) a sealing ring.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a metal gearbox cover comprises a gearbox cover 1, a limiting groove 2 is formed in the rear wall of the gearbox cover 1 and is positioned in the gearbox cover 1, a limiting ring 3 is fixedly connected in front of the rear wall of the gearbox cover 1 and is positioned around the limiting groove 2, reinforcing ribs 4 are fixedly connected between the side edges of the limiting ring 3 and the inner wall of the gearbox cover 1, left side lugs 5 are fixedly connected on the left sides of the upper side and the lower side of the gearbox cover 1, right side lugs 6 are fixedly connected on the upper side and the lower side of the right side of the gearbox cover 1, limiting lugs 7 are fixedly connected on the upper side and the lower side of the gearbox cover 1 and on the right side of the left side lugs 5, fitting openings 8 are formed in the left sides of the upper side and the lower side of the gearbox cover 1, the fitting openings 8 are arc-shaped, the reinforcing ribs 4 are 8 groups and are uniformly distributed on the side edges of the limiting ring 3, the gear box cover 1 is integrally formed by injection molding, the surfaces of the reinforcing ribs 4 and the surface of the gear box cover 1 are both subjected to fillet treatment, the strength of the whole mechanism is increased by the integrated design, the production and manufacturing efficiency is accelerated, the limiting holes 9 are formed in the two limiting lugs 7, the upper limiting lug 7 is positioned between the upper left lug 5 and the upper right lug 6, the lower limiting lug 7 is fixedly connected with the left side of the lower right lug 6, the bolt holes 10 are formed in the left lug 5 and the right lug 6, and the inner wall of the bolt hole 10 is fixedly connected with a fixing table 11, the front end fixedly connected with of gearbox case lid 1 and the sealing ring 12 that the appearance suits of gearbox case lid 1, the thickness of sealing ring 12 is half of gearbox case lid 1 inner wall thickness, can make things convenient for the installation between gearbox case lid 1 and the gear box through setting up left side ear 5 and right side ear 6 at gearbox case lid 1 side, and special position settlement, make the setting of gearbox case lid 1 more reasonable, utilize positioner can more conveniently not need the attempt a bit when the installation, the installation has been accelerated, utilize sealing ring 12 can effectually avoid gearbox oil to leak in the gearbox use, the leakproofness has been increased.

And those not described in detail in this specification are well within the skill of those in the art.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A metallic gearbox cover, includes gearbox cover (1), its characterized in that: the utility model discloses a gear box, including gear box cover (1), the back wall and the inside that is located gear box cover (1) have seted up spacing groove (2), the place ahead of gear box cover (1) back wall just is located fixedly connected with spacing ring (3) around spacing groove (2), fixedly connected with strengthening rib (4) between the side of spacing ring (3) and the inner wall of gear box cover (1), the equal fixedly connected with left side ear (5) in left side of both sides about gear box cover (1), the equal fixedly connected with right side ear (6) in upper and lower both sides on gear box cover (1) right side, gear box cover (1) both sides just are located the right-hand equal fixedly connected with spacing ear (7) of left side ear (5), laminating mouth (8) have all been seted up in the left side of both sides about gear box cover (1), laminating mouth.

2. A metallic gearbox cover according to claim 1, characterized in that: the number of the reinforcing ribs (4) is 8, and the reinforcing ribs are uniformly distributed on the side edge of the limiting ring (3).

3. A metallic gearbox cover according to claim 1, characterized in that: the gear box cover (1) is integrally formed by injection molding, and the surfaces of the reinforcing ribs (4) and the gear box cover (1) are both subjected to fillet treatment.

4. A metallic gearbox cover according to claim 1, characterized in that: two spacing hole (9) have been seted up to the inside of spacing ear (7), the top spacing ear (7) are located the centre of top left side ear (5) and top right side ear (6), the below the left side fixed connection of spacing ear (7) and below right side ear (6).

5. A metallic gearbox cover according to claim 1, characterized in that: bolt hole (10) have all been seted up to the inside of left side ear (5) and right side ear (6), the inner wall fixedly connected with fixed station (11) of bolt hole (10).

6. A metallic gearbox cover according to claim 1, characterized in that: the front end fixedly connected with of gear case lid (1) has sealing ring (12) that suits with gear case lid (1) appearance, the thickness of sealing ring (12) is half of gear case lid (1) inner wall thickness.