CN207796027U - A kind of reverse gear - Google Patents

Abstract

The utility model discloses a kind of reverse gears, including gear, teeth are installed on the outside of the gear, the lumen centers position of the gear is equipped with grease channel, the inner wall of the gear is equipped with petroleum pipeline, the bottom dead center position of the petroleum pipeline is equipped with oil inlet pipe, the top dead center position of the petroleum pipeline is equipped with cylinder body, the top of the cylinder body is equipped with top plate, the inner cavity of the cylinder body is equipped with piston plate, the piston plate is connected by resetting spring with top plate, the junction of the resetting spring and top plate and piston plate is mounted on fixed seat, the inner wall bottom end of the cylinder body is equipped with deck, the bottom end of the deck is equipped with lifter plate, the lifter plate is connected by elevating lever with piston plate.The reverse gear causes the waste of lubricating oil by the cooperation of petroleum pipeline, lifter plate and closure plate, when to avoid gear from being stopped, and is more suitable for being widely popularized.

Description

A kind of reverse gear

Technical field

The utility model is related to technical field of automobile parts, specially a kind of reverse gear.

Background technology

Automobile has become people and gos out the indispensable vehicles, and automobile is needed in the process of moving according to different Road conditions change the travel speed of automobile, and engine is the power take-off mechanism of automobile, it is therefore desirable to which a kind of speed change gear is assisted The rotating speed of motivation and the actual travel speed of wheel are readjusted the distribution, speed changer, can be in garage as the necessary speed change gear of automobile During sailing, different gear ratio is generated between engine and wheel, transmitted not with multigroup gear in transmission case body Same rotating ratio, when automobile needs to fall back, it is necessary to which reverse gear, the teeth of reverse gear, which lack, at present is effectively protected hand Section, teeth are easy to wear and easy fever, and service life is short, for example, Patent No. 201220509495.7 patent, including ontology, The outer ring of ontology has a teeth, and the tops of teeth has several lubrication holes, the patent although it is a degree of can to teeth into Row lubricates, but the waste of lubricating oil is be easy to cause when gear is stopped, and is not suitable for being widely popularized.

Utility model content

The purpose of this utility model is to provide a kind of reverse gears, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions：A kind of reverse gear, including gear, Teeth are installed, the lumen centers position of the gear is equipped with grease channel, the tooth on the outside of the gear The inner wall of wheel ontology is equipped with petroleum pipeline, and the bottom dead center position of the petroleum pipeline is equipped with oil inlet pipe, the top of the petroleum pipeline End center is equipped with cylinder body, and the top of the cylinder body is equipped with top plate, and the inner cavity of the cylinder body is equipped with piston plate, described Piston plate is connected by resetting spring with top plate, and the junction of the resetting spring and top plate and piston plate is mounted on fixation The inner wall bottom end of seat, the cylinder body is equipped with deck, and the bottom end of the deck is equipped with lifter plate, and the lifter plate passes through elevating lever It is connected with piston plate, the elevating lever runs through the outer wall of deck, and the bottom dead center position of the lifter plate is equipped with closure plate, described It is mounted on flowline at left and right sides of the top of petroleum pipeline.

Preferably, it is equipped with sliding slot at left and right sides of the inner wall of the cylinder body, pacifies at left and right sides of the outer wall of the piston plate Equipped with sliding block, the sliding block matches with sliding slot.

Preferably, the junction of the elevating lever and deck is equipped with sealing shroud.

Preferably, the outer wall of the closure plate is equipped with sealing ring.

Compared with prior art, the utility model has the beneficial effects that：The reverse gear, by petroleum pipeline, lifter plate and The cooperation of closure plate, gear at work, lifter plate gear rotate generate centrifugal force under the action of drive closure plate with Oil inlet pipe detaches, and lifter plate drives piston plate along the inner wall upward sliding pressed home spring of cylinder body, lubrication by elevating lever Lubricating oil in oily channel is flowed into flowline and is lubricated to teeth by oil inlet pipe and petroleum pipeline, when gear stops When work, piston plate drives closure plate to be inserted into oil inlet pipe under the elastic reactance of resetting spring by elevating lever and lifter plate In, closure plate is sealed oil inlet pipe, and the waste of lubricating oil is caused when to avoid gear from being stopped, and is more suitable for wide General popularization.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the petroleum pipeline schematic cross-sectional view of the utility model；

Fig. 3 is the cylinder body schematic cross-sectional view of the utility model；

Fig. 4 is the piston plate cross-sectional structure schematic diagram of the utility model.

In figure：1, gear, 2, teeth, 3, grease channel, 4, petroleum pipeline, 5, oil inlet pipe, 6, cylinder body, 7, top plate, 8, piston plate, 9, resetting spring, 10, fixed seat, 11, deck, 12, lifter plate, 13, elevating lever, 14, closure plate, 15, flowline, 16, sliding slot, 17, sliding block, 18, sealing shroud, 19, sealing ring.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of reverse gear, including gear 1, tooth The outside of wheel ontology 1 is equipped with teeth 2, and the lumen centers position of gear 1 is equipped with grease channel 3, gear 1 it is interior Wall is equipped with petroleum pipeline 4, and the bottom dead center position of petroleum pipeline 4 is equipped with oil inlet pipe 5, the lubricating oil in grease channel 3 pass through into Oil pipe 5 enters in petroleum pipeline 4, and the top dead center position of petroleum pipeline 4 is equipped with cylinder body 6, and the top of cylinder body 6 is equipped with top plate 7, The inner cavity of cylinder body 6 is equipped with piston plate 8, and piston plate 8 is connected by resetting spring 9 with top plate 7, and resetting spring 9 is helical spring, Coefficient of elasticity is 25N/CM, and resetting spring 9 is stretched or is generated after squeezing elastic deformation, is restored to initial shape after removing external force State, the elasticity of resetting spring 9 are less than the centrifugal force generated when gear 1 works, resetting spring 9 and top plate 7 and piston plate 8 Junction is mounted on fixed seat 10, and two end connectors of resetting spring 9 are fixed in fixed seat 10, prevent resetting spring 9 It sets and shifts, the inner wall bottom end of cylinder body 6 is equipped with deck 11, and top plate 7 and deck 11 limit piston plate 8, prevent from living Seben 8 is detached with cylinder body 6, and the bottom end of deck 11 is equipped with lifter plate 12, and lifter plate 12 is connected by elevating lever 13 with piston plate 8, Elevating lever 13 runs through the outer wall of deck 11, and the bottom dead center position of lifter plate 12 is equipped with closure plate 14, the top or so of petroleum pipeline 4 Both sides are mounted on flowline 15, and at work, lifter plate 12 rotates the work for generating centrifugal force in gear 1 to gear 1 Detached with oil inlet pipe 5 with lower drive closure plate 14, lifter plate 12 by elevating lever 13 drive piston plate 8 along cylinder body 6 inner wall to Upper sliding pressed home spring 9, resetting spring 9 generate elastic deformation after being squeezed, the lubricating oil in grease channel 3 passes through Oil inlet pipe 5 and petroleum pipeline 4, which flow into flowline 15, is lubricated teeth 2, when gear 1 is stopped, piston plate 8 Closure plate 14 is driven to be inserted into oil inlet pipe 5 by elevating lever 13 and lifter plate 12 under the elastic reactance of resetting spring 9, closure plate 14 pairs of oil inlet pipes 5 are sealed, and sliding slot 16 is equipped at left and right sides of the inner wall of cylinder body 6, is pacified at left and right sides of the outer wall of piston plate 8 Equipped with sliding block 17, sliding block 17 matches with sliding slot 16, and during exercise, piston plate 8 is with movable slider 17 along sliding slot 16 for piston plate 8 Inner wall slides upward or downward, prevents piston plate 8 from rotating, and elevating lever 13 and the junction of deck 11 are equipped with sealing shroud 18, sealing shroud 18 is sealed elevating lever 13 and the junction of deck 11, and the outer wall of closure plate 14 is equipped with sealing ring 19, sealing ring 19 are made of rubber material, improve the leakproofness between closure plate 14 and oil inlet pipe 5.

At work, lifter plate 12 drives closure plate 14 to gear 1 under the action of gear 1 rotates and generates centrifugal force It is detached with oil inlet pipe 5, lifter plate 12 drives piston plate 8 along the inner wall upward sliding pressed home of cylinder body 6 by elevating lever 13 Spring 9, resetting spring 9 generate elastic deformation after being squeezed, the elasticity of resetting spring 9, which is less than when gear 1 works, to be generated Centrifugal force, the lubricating oil in grease channel 3, which is flowed by oil inlet pipe 5 and petroleum pipeline 4 in flowline 15, carries out teeth 2 Lubrication, when gear 1 is stopped, piston plate 8 by elevating lever 13 and rises under the elastic reactance of resetting spring 9 Dropping plate 12 drives closure plate 14 to be inserted into oil inlet pipe 5, and closure plate 14 is sealed oil inlet pipe 5, to avoid gear 1 from stopping work As when cause the waste of lubricating oil, be more suitable for being widely popularized.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of reverse gear, including gear (1), teeth (2), the tooth are installed on the outside of the gear (1) The lumen centers position for taking turns ontology (1) is equipped with grease channel (3), it is characterised in that：The inner wall of the gear (1) is installed There is a petroleum pipeline (4), the bottom dead center position of the petroleum pipeline (4) is equipped with oil inlet pipe (5), in the top of the petroleum pipeline (4) Heart position is equipped with cylinder body (6), and the top of the cylinder body (6) is equipped with top plate (7), and the inner cavity of the cylinder body (6) is equipped with work Seben (8), the piston plate (8) are connected by resetting spring (9) with top plate (7), the resetting spring (9) and top plate (7) and The junction of piston plate (8) is mounted on fixed seat (10), and the inner wall bottom end of the cylinder body (6) is equipped with deck (11), described The bottom end of deck (11) is equipped with lifter plate (12), and the lifter plate (12) is connected by elevating lever (13) with piston plate (8), described Elevating lever (13) runs through the outer wall of deck (11), and the bottom dead center position of the lifter plate (12) is equipped with closure plate (14), described It is mounted on flowline (15) at left and right sides of the top of petroleum pipeline (4).

2. a kind of reverse gear according to claim 1, it is characterised in that：At left and right sides of the inner wall of the cylinder body (6) Equipped with sliding slot (16), sliding block (17), the sliding block (17) and sliding slot are mounted at left and right sides of the outer wall of the piston plate (8) (16) match.

3. a kind of reverse gear according to claim 1, it is characterised in that：The company of the elevating lever (13) and deck (11) The place of connecing is equipped with sealing shroud (18).

4. a kind of reverse gear according to claim 1, it is characterised in that：The outer wall of the closure plate (14) is equipped with sealing ring (19)。