CN209569075U - Barring mechanism - Google Patents

Abstract

The utility model discloses a kind of barring mechanisms, including gear, gear shaft and with the mounting base of axis hole, the gear shaft is connect after passing through the axis hole with the gear, the gear shaft can be mobile relative to axis hole, shoe cream room is offered on the inner wall of the axis hole, the through-hole being connected to the shoe cream room is offered in the mounting base, is removably provided with closeouts in the through-hole.Above structure is simple, the movement and rotation of gear shaft are realized using the cooperation of axis hole and gear shaft, without using components such as bearings, to reduce the manufacturing cost of barring mechanism, it can be realized the self-lubricating of barring mechanism by the way that shoe cream room is arranged, the link for eliminating user's manual lubrication barring mechanism, improves comforts of use.

Description

Barring mechanism

Technical field

The utility model relates to technical field of automobile accessories more particularly to a kind of barring mechanisms.

Background technique

Big-block engine is difficult to jiggering since frictional work itself is big, using plain modes such as crowbars, needs to configure special Barring mechanism, during jiggering, the component in barring mechanism is rotated, and therefore, barring mechanism when in use, needs The component of rotation is lubricated, to guarantee that barring mechanism can be used effectively, meanwhile, it is capable to extend making for barring mechanism Use the service life.

In the prior art, it in order to guarantee that barring mechanism can be rotated effectively, needs in the setting sliding of the position of rotatable parts Or rolling bearing, barring mechanism needs to carry out coating lubricating oil to rotatable parts when in use, to realize the profit of barring mechanism It is sliding.But structure is complicated for above-mentioned barring mechanism, manufacturing cost is high, and when in use, lubrication operation is more inconvenient.

Utility model content

Purpose of the utility model is to solve at least one above-mentioned problem, which is by following technology What scheme was realized.

The utility model provides a kind of barring mechanism, including gear, gear shaft and with the mounting base of axis hole, the tooth Wheel shaft is connect after passing through the axis hole with the gear, and the gear shaft can be mobile relative to axis hole, on the inner wall of the axis hole Shoe cream room is offered, the through-hole being connected to the shoe cream room is offered in the mounting base, the through-hole is interior with dismountable side Formula is provided with closeouts.

Preferably, the shoe cream room is annular chamber.

Preferably, the annular chamber and the axis hole are coaxially disposed.

Preferably, the through-hole being arranged radially along the axis hole.

Preferably, the through-hole is threaded hole, and the closeouts are bolt, and the bolt and the threaded hole screw thread connect It connects.

Preferably, limit hole, the diameter of the length direction of the limit hole and the gear shaft are offered on the gear shaft To consistent, the free end of the bolt can enter the limit hole by the through-hole.

Preferably, the gear shaft is provided with limiting section far from one end of the gear, and the barring mechanism carries out jiggering When, the limiting section is bonded setting far from the side of the gear with the mounting base, when the barring mechanism does not carry out jiggering, The limiting section and the mounting base are arranged far from the side interval of the gear.

Preferably, the limiting section is retaining ring, and the retaining ring and the gear shaft are coaxially disposed, and the retaining ring is outer Diameter is greater than the diameter of the through-hole.

Barring mechanism provided by the utility model, including gear, gear shaft and with the mounting base of axis hole, the gear Axis is connect after passing through the axis hole with the gear, and the gear shaft can be mobile relative to axis hole, is opened on the inner wall of the axis hole Equipped with shoe cream room, the through-hole being connected to the shoe cream room is offered in the mounting base, in the through-hole removably It is provided with closeouts.Mounting base is affixed with bell housing, and when engine operates normally, gear is not contacted with starting gear ring, when need When carrying out jiggering, gear shaft is mobile relative to axis hole, and gear is contacted with starting gear ring at this time, to carry out jiggering.In axis Shoe cream room is formed in hole, which is provided on the inner wall of axis hole, and gear shaft passes through axis hole, and gear shaft can move in axis hole The outer surface of dynamic and rotation, shoe cream room and gear shaft forms closed cavity structure, and lubricating oil is filled in shoe cream room, is carrying out disk Che Shi needs external force gear shaft mobile to the direction of starting gear ring, when gear shaft is mobile relative to axis hole, is attached to gear The lubricating oil on axis surface enters between shaft hole inner wall and the outer surface of gear shaft, when gear shaft rotation, can be realized to gear The lubrication of the surface of friction pair formed between axis and shaft hole inner wall, that is to say, that, can by movement of the gear shaft in axis hole Lubricating oil in shoe cream room is brought on shaft hole inner wall, to realize the lubrication between axis hole and gear shaft.When shoe cream room domestic demand When filling lubricating oil, the closeouts in through-hole are taken out, lubricating oil can be filled into shoe cream room by through-hole, thus realization pair The oil injection operation of shoe cream room.

Above structure is simple, the movement and rotation of gear shaft is realized using the cooperation of axis hole and gear shaft, without using axis Equal components are held, to reduce the manufacturing cost of barring mechanism, can be realized the self-lubricating of barring mechanism by the way that shoe cream room is arranged, The link for eliminating user's manual lubrication barring mechanism, improves comforts of use.

Detailed description of the invention

By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this Novel limitation.And throughout the drawings, identical unit piece is denoted by the same reference numerals.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of barring mechanism provided by the utility model；

Fig. 2 is the structural schematic diagram at another visual angle of barring mechanism provided by the utility model；

Fig. 3 is the cross-sectional view of barring mechanism A-A shown in Fig. 2.

Appended drawing reference

1 is gear；

2 be mounting base, and 21 be axis hole, and 211 be shoe cream room, and 22 be through-hole；

3 be bolt；

4 be gear shaft, and 41 be limiting section, and 42 be limit hole.

Specific embodiment

The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs The range opened is fully disclosed to those skilled in the art.

Fig. 1 to Fig. 3 is please referred to, Fig. 1 is the structural schematic diagram of barring mechanism provided by the utility model；Fig. 2 is this reality With the structural schematic diagram at novel provided another visual angle of barring mechanism；Fig. 3 is the cross-sectional view of barring mechanism A-A shown in Fig. 2.

In a specific embodiment, the utility model provides a kind of barring mechanism, including gear 1, gear shaft 4 With the mounting base 2 with axis hole 21, gear shaft 4 is connect after passing through axis hole 21 with gear 1, and gear shaft 4 can be moved with respect to axis hole 21 It is dynamic, shoe cream room 211 is offered on the inner wall of axis hole 21, and the through-hole 22 being connected to shoe cream room 211, through-hole are offered in mounting base 2 Closeouts are removably provided in 22.Mounting base 2 and bell housing are affixed, engine operate normally when, gear 1 with Starting gear ring does not contact, and when needing to carry out jiggering, gear shaft 4 is mobile relative to axis hole 21, at this time gear 1 and starting gear ring Contact, to carry out jiggering.

It should be pointed out that above-mentioned mounting base 2 and the connection type of bell housing can be bolted, rivet or weld Deng here, the application no longer repeats.

Specifically, shoe cream room 211 is formed in axis hole 21, which is provided on the inner wall of axis hole 21, gear Axis 4 passes through axis hole 21, and gear shaft 4 can be moved and be rotated in axis hole 21, and the outer surface of shoe cream room 211 and gear shaft 4 forms close Cavity structure is closed, fills lubricating oil in shoe cream room 211, when carrying out jiggering, needs external force gear shaft 4 to starting gear ring Direction it is mobile, when gear shaft 4 is moved with respect to axis hole 21, the lubricating oil for being attached to 4 surface of gear shaft enters 21 inner wall of axis hole Between the outer surface of gear shaft 4, when gear shaft 4 rotates, it can be realized to being formed between 21 inner wall of gear shaft 4 and axis hole The lubrication of surface of friction pair, that is to say, that, can be by the lubrication in shoe cream room 211 by movement of the gear shaft 4 in axis hole 21 Oil is brought on 21 inner wall of axis hole, to realize the lubrication between axis hole 21 and gear shaft 4.When needing to fill profit in shoe cream room 211 When lubricating oil, the closeouts in through-hole 22 are taken out, lubricating oil can be filled into shoe cream room 211 by through-hole 22, thus realization pair The oil injection operation of shoe cream room 211.

Above structure is simple, the movement and rotation of gear shaft 4 is realized using the cooperation of axis hole 21 and gear shaft 4, without making It can be realized barring mechanism by the way that shoe cream room 211 is arranged to reduce the manufacturing cost of barring mechanism with components such as bearings Self-lubricating eliminates the link of user's manual lubrication barring mechanism, improves comforts of use.

It being further understood that, shoe cream room 211 is annular chamber, and above-mentioned shoe cream room 211 is opened up around the circumferential direction of 21 inner wall of axis hole, And the head and the tail of shoe cream room 211 connect the structure to form annular chamber, and after injecting lubricating oil in shoe cream room 211, lubricating oil can It is contacted with the outer circumference surface of gear shaft 4, so that the outer surface for forming external tooth wheel shaft 4 forms oil ring, when gear shaft 4 is moved When dynamic, oil ring passes through the inner wall formation oil film so that axis hole 21, is capable of increasing the lubrication area of lubricating oil with this configuration, thus The lubrication between gear shaft 4 and axis hole 21 is effectively ensured, improves the service life of barring mechanism, reduces barring mechanism maintenance and more The cost changed.

Further, annular chamber and axis hole 21 are coaxially disposed, when barring mechanism does not carry out jiggering, gear shaft 4 and annular The part of chamber contact is ring structure, and lubricating oil is attached to the surface of the ring structure, to form oil ring, when needing to carry out disk Che Shi, gear shaft 4 is mobile relative to axis hole 21, and the part that gear shaft 4 forms oil ring is left shoe cream room 211 and entered in axis hole 21, oil Ring is contacted with the inner wall of axis hole 21, so that the inner wall of axis hole 21 adheres to oil film, when gear shaft 4 carries out rotation jiggering, oil film is real Now to the lubrication of gear shaft 4 and axis hole 21, to avoid that dry friction occurs between gear shaft 4 and axis hole 21, barring mechanism is improved Service life.Above-mentioned annular chamber and axis hole 21 are coaxially disposed, and on 4 surface of gear shaft, the oil ring and gear shaft 4 of formation are coaxial, when It is more uniform in the oil film of 21 inner wall of axis hole formation at this time when gear shaft 4 is moved, the effect of lubrication can be effectively improved.

Further, being arranged radially along axis hole 21 of through-hole 22.Above-mentioned through-hole 22 open up mode can be effectively reduced it is logical The aperture difficulty in hole 22, while can effectively shorten through-hole 22 opens up depth, so that the cost of manufacture be effectively reduced.

Specifically understand, through-hole 22 is threaded hole, and closeouts are bolt 3, and bolt 3 is threadedly coupled with threaded hole.It is above-mentioned Structure is simple, can be realized the fast assembling-disassembling of closeouts Yu through-hole 22, meanwhile, bonding strength is high, and closeouts abjection is avoided to cause The case where oil leak.

It should be pointed out that closeouts are to need to install gasket additional when through-hole 22 connects in order to improve leakproofness, thus Oil leak is further avoided, guarantees the effect of barring mechanism lubrication.

Specifically, limit hole 42 is offered on gear shaft 4, the length direction of limit hole 42 is radially consistent with gear shaft 4, The free end of bolt 3 can enter limit hole 42 by through-hole 22.When barring mechanism is not used, gear 1 is separated with starting gear ring, At this point, limit hole 42 is correspondingly arranged with through-hole 22, when 3 opposite thread hole of bolt screws, the free end of bolt 3 is able to enter limit In the hole 42 of position, gear shaft 4 is limited to realize, gear shaft 4 can not be rotated and be moved, and then engine is avoided to transport When row, gear shaft 4 is influenced caused by starting gear ring with moving gear 1；When needing to carry out jiggering, bolt 3 is unscrewed, bolt 3 Limit hole 42 is left in free end, and gear shaft 4 can be rotated and move at this time, mobile band moving gear 1 and the starting gear ring of gear shaft 4 Contact, to carry out jiggering.The sealing of shoe cream room 211 and the limit of gear shaft 4, this kind knot are realized by using bolt 3 simultaneously Structure is simple, can be effectively reduced the cost of manufacture.

Specifically, gear shaft 4 is provided with limiting section 41 far from one end of gear 1, when barring mechanism carries out jiggering, limiting section 41 are bonded setting far from the side of gear 1 with mounting base 2, and when mechanism of car does not carry out jiggering, limiting section 41 and mounting base 2 are far from tooth The side interval setting of wheel 1.When carrying out jiggering, outer power drive limiting section 41 is moved to the direction close to mounting base 2, so that tooth Wheel shaft 4 is sequentially connected with moving gear 1 and starting gear ring, and limiting section 41 is bonded with mounting base 2 far from the side of gear 1 at this time, when Jiggering terminates, and outer power drive limiting section 41 is moved to the direction far from mounting base 2, to realize point of gear 1 and starting gear ring From.The convenience for limiting section 41 is arranged operating when on the one hand can improve jiggering, on the other hand can be avoided gear shaft 4 from axis hole 21 Interior abjection guarantees the safety used.

Specifically, limiting section 41 is retaining ring, and retaining ring and gear shaft 4 are coaxially disposed, and the outer diameter of retaining ring is greater than through-hole 22 Diameter.It can be realized by above structure and gear shaft 4 uniformly limited, avoid the occurrence of stress and limiting section 41 is concentrated to be broken The case where occur, improve the safety used；Meanwhile retaining ring structure can be avoided gear shaft 4 and occur unbalance loading during rotation, There is the phenomenon that eccentric wear so as to cause gear shaft 4 and axis hole 21, and then improve the service life of barring mechanism, reduces barring mechanism The cost of maintenance.

It should be understood that although multiple element, list can be described using term first, second, third, etc. in the text Element, region, layer and/or elementary section, still, these elements, unit piece, region, layer and/or than Duan Buying by these term institutes Limitation.These terms can only be used to an element, unit piece, region, floor or elementary section and another element, unit piece, area Domain, layer or elementary section distinguish.Unless context it is manifestly intended that otherwise such as the term of " first ", " second " etc and Other numerical terms do not imply that sequence or order when using in the text.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model answers institute It states and is subject to the protection scope in claims.

Claims (8)

1. a kind of barring mechanism, including gear, gear shaft and with the mounting base of axis hole, after the gear shaft passes through the axis hole It is connect with the gear, the gear shaft can be mobile relative to axis hole, which is characterized in that storage is offered on the inner wall of the axis hole Oil pocket offers the through-hole being connected to the shoe cream room in the mounting base, is removably provided in the through-hole Closeouts.

2. barring mechanism according to claim 1, which is characterized in that the shoe cream room is annular chamber.

3. barring mechanism according to claim 2, which is characterized in that the annular chamber and the axis hole are coaxially disposed.

4. barring mechanism according to claim 3, which is characterized in that the through-hole is arranged radially along the axis hole.

5. barring mechanism according to claim 4, which is characterized in that the through-hole is threaded hole, and the closeouts are spiral shell Bolt, the bolt are threadedly coupled with the threaded hole.

6. barring mechanism according to claim 5, which is characterized in that offer limit hole, the limit on the gear shaft The length direction in position hole is radially consistent with the gear shaft, and the free end of the bolt can be by described in through-hole entrance Limit hole.

7. barring mechanism according to claim 1, which is characterized in that the gear shaft is arranged far from one end of the gear There is limiting section, when the barring mechanism carries out jiggering, the limiting section is bonded with the mounting base far from the side of the gear Setting, when the barring mechanism does not carry out jiggering, the limiting section is set with the mounting base far from the side interval of the gear It sets.

8. barring mechanism according to claim 7, which is characterized in that the limiting section be retaining ring, the retaining ring with it is described Gear shaft coaxial arrangement, and the outer diameter of the retaining ring is greater than the diameter of the through-hole.