CN213511962U

CN213511962U - Detachable gear structure

Info

Publication number: CN213511962U
Application number: CN202022399096.7U
Authority: CN
Inventors: 贺国民; 许鑫; 金炜权; 沈建尧
Original assignee: HANGZHOU ZHENGYUAN GEAR MANUFACTURE CO Ltd
Current assignee: HANGZHOU ZHENGYUAN GEAR MANUFACTURE CO Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-22
Anticipated expiration: 2030-10-26

Abstract

The utility model provides a gear structure that can dismantle. The detachable gear structure includes: a rotating shaft; the first driven gear is arranged on the rotating shaft; the shaft hole is formed in the first driven gear; the first oil guide pipes are fixedly arranged on the first driven gear in an annular array; the second driven gear is arranged on the rotating shaft; the second oil guide pipes are fixedly arranged on the second driven gear in an annular array; the large gear is fixedly sleeved on the rotating shaft; and the mounting gasket is fixedly mounted on the outer wall of the large gear. The utility model provides a gear structure that can dismantle has convenient to use, can assemble and dismantle simple effectual gear, operates simple convenient advantage.

Description

Detachable gear structure

Technical Field

The utility model belongs to the technical field of the gear is dismantled, especially, relate to a gear structure that can dismantle.

Background

The wheel rim is provided with a mechanical element which can continuously mesh with each other to transmit motion and power, the gear is a toothed mechanical part which can mesh with each other, the application of the gear in transmission is very early, at the end of 19 th century, the principle of generating a gear cutting method and the successive occurrence of a special machine tool and a cutter which utilize the principle to cut the gear are realized, along with the development of production, the stability of the gear operation is emphasized, the tooth profile of the gear comprises a tooth profile curve, a pressure angle, tooth height and deflection, and an involute gear is easier to manufacture, so in the gear used in modern times, the involute gear occupies the absolute majority, the cycloid gear and the circular arc gear are less in application, and in the aspect of the pressure angle, the bearing capacity of the small-pressure angle gear is smaller; the large-pressure angle gear is only used in special cases because the load of a bearing is increased under the condition of the same transmission torque although the bearing capacity is higher, and the tooth height of the gear is standardized, and generally adopts the standard tooth height, and the advantages of a modified gear are more, so that the large-pressure angle gear is spread in various mechanical equipment, and in addition, the gear can be divided into a cylindrical gear, a bevel gear, a non-circular gear, a rack and a worm and worm gear according to the shape of the gear; according to the shape of the tooth trace, the gear is divided into a straight gear, a helical gear, a herringbone gear and a curve gear; the gear is divided into an external gear and an internal gear according to the surface where the gear teeth are located; they can be classified into cast gears, cut gears, rolled gears, sintered gears, etc. according to the manufacturing method. In the related art, a detachable gear specially used for machinery is provided, which comprises an internal gear upper gear, an external gear and an internal gear lower gear, wherein the external gear is provided with external gear teeth, and the front surface of the external gear is provided with a connecting piece, the front surface of the connecting piece is provided with a gasket, the front surface of the gasket is provided with a fastening screw, the lower gear of the internal gear is arranged inside the external gear, the outer part of the lower gear of the internal gear is provided with the teeth of the internal gear, and the inner part of the lower gear of the inner gear is provided with a pin groove, the inner part of the pin groove is provided with a pin, the upper gear of the inner gear is arranged at the position close to the upper part of the lower gear of the inner gear in the inner gear, and the front surface of the gear on the internal gear is provided with a hub, the inside of the hub is provided with a key slot, the inside of keyway is provided with the key, the inside below position department that is close to the key of wheel hub is provided with the pivot.

However, the above structure has disadvantages, and since the structure in the gear is disassembled, the simple connecting gasket can only cover the plurality of gears layer by layer, and the application range is limited.

Therefore, there is a need to provide a new detachable gear structure to solve the above technical problems

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a convenient to use, can assemble and dismantle simple effectual gear, the simple convenient gear structure that can dismantle of operation get up.

In order to solve the technical problem, the utility model provides a gear structure that can dismantle includes: a rotating shaft; the key groove is arranged on the outer wall of the rotating shaft; the first driven gear is arranged on the rotating shaft; the first oil guide pipes are fixedly arranged on the first driven gear in an annular array; the second driven gear is arranged on the rotating shaft; the second oil guide pipes are fixedly arranged on the second driven gear in an annular array; the large gear is fixedly sleeved on the rotating shaft; and the mounting gasket is fixedly mounted on the outer wall of the large gear.

As a further scheme of the utility model, be equipped with first fixed establishment in the pivot, first fixed establishment includes first threaded rod, first bevel gear, first sleeve, second bevel gear, second threaded rod, gag lever post, first through-hole has been seted up to one side outer wall of pivot, first recess has been seted up on the outer wall of pivot, first threaded rod rotates to be installed in the first through-hole, the one end of first threaded rod extends to in the first recess, the one end that first recess was kept away from to first threaded rod extends to outside the first driven gear, first bevel gear sets up in the first recess, first bevel gear fixed mounting be in the one end of first threaded rod.

As a further aspect of the present invention, the bottom inner wall of the first groove has been seted up and has been rotated the groove, the sleeve rotates to be installed on the bottom inner wall of the rotation groove, telescopic top extends to in the first groove, fixed cover is equipped with second cone gear on the sleeve, first cone gear with second cone gear meshes mutually.

As a further aspect of the present invention, the second groove has been seted up to the inner wall of second driven gear, second threaded rod thread is installed in the sleeve, the top of second threaded rod extends to in the second groove and with the inner wall sliding connection of second groove.

As a further scheme of the utility model, the spacing groove has been seted up to one side outer wall of second threaded rod, one side inner wall fixed mounting of first recess has the gag lever post, the one end of gag lever post extends to the spacing inslot and with the inner wall sliding connection of spacing groove.

As a further proposal of the utility model, the teeth of the big gear are provided with threaded holes, and the screw is installed in the internal thread of the threaded hole.

Compared with the prior art, the utility model provides a gear structure that can dismantle has following beneficial effect:

the utility model provides a gear structure that can dismantle:

1. through the mutual matching of the second driven gear, the first threaded rod, the first bevel gear, the sleeve, the second bevel gear, the second threaded rod, the first groove, the second groove and the limiting rod, the disassembly work of the second driven gear can be realized

2. Through the mutual cooperation of gear wheel, installation gasket, screw hole and screw, can dismantle the change to a plurality of teeth on the gear wheel and avoid making whole gear scrap, the resource of wasting because of the damage of single tooth.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic sectional view of a preferred embodiment of a detachable gear structure according to the present invention;

FIG. 2 is a schematic structural view of the rotating shaft, the first driven gear, the second driven gear, the bull gear and the first threaded rod in FIG. 1;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a rotating shaft; 2. a first driven gear; 3. a shaft hole; 4. a first oil guide pipe; 5. A second driven gear; 6. a second oil guide pipe; 7. a bull gear; 8. installing a gasket; 9. a first threaded rod; 10. a first bevel gear; 11. a sleeve; 12. a second bevel gear; 13. a second threaded rod; 14. a limiting rod.

Detailed Description

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic front sectional view illustrating a detachable gear structure according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of the rotating shaft, the first driven gear, the second driven gear, the bull gear and the first threaded rod in FIG. 1; fig. 3 is an enlarged schematic view of a portion a in fig. 2. The detachable gear structure includes: a rotating shaft 1; the first driven gear 2, the said first driven gear 2 is set up on the spindle 1; the shaft hole 3 is formed in the first driven gear 2; the first oil guide pipes 4 are fixedly arranged on the first driven gear 2 in an annular array; the second driven gear 5, the said second driven gear 5 is set up on the spindle 1; the second oil guide pipes 6 are fixedly arranged on the second driven gear 5 in an annular array; the large gear 7 is fixedly sleeved on the rotating shaft 1; and the mounting gasket 8 is fixedly mounted on the outer wall of the large gear 7.

Be equipped with first fixed establishment in pivot 1, first fixed establishment includes first threaded rod 9, first bevel gear 10, first sleeve 11, second bevel gear 12, second threaded rod 13, gag lever post 14, first through-hole has been seted up to one side outer wall of pivot 1, first recess has been seted up on the outer wall of pivot 1, first threaded rod 9 rotates to be installed in the first through-hole, the one end of first threaded rod 9 extends to in the first recess, the one end that first recess was kept away from to first threaded rod 9 extends to outside first driven gear 2, first bevel gear 10 sets up in the first recess, first bevel gear 10 fixed mounting be in the one end of first threaded rod 9.

The bottom inner wall of first recess has been seted up and has been rotated the groove, sleeve 11 rotates to be installed on the bottom inner wall of rotation groove, the top of sleeve 11 extends to in the first recess, the fixed cover is equipped with second cone gear 12 on the sleeve 11, first cone gear 10 with second cone gear 12 meshes mutually.

A second groove is formed in the inner wall of the second driven gear 5, a second threaded rod 13 is installed in the sleeve 11 in a threaded manner, and the top end of the second threaded rod 13 extends into the second groove and is in sliding connection with the inner wall of the second groove

A limiting groove is formed in the outer wall of one side of the second threaded rod 13, a limiting rod 14 is fixedly mounted on the inner wall of one side of the first groove, and one end of the limiting rod 14 extends into the limiting groove and is connected with the inner wall of the limiting groove in a sliding mode.

The teeth of the large gear 7 are provided with threaded holes, and screws are mounted in the threaded holes.

The utility model provides a gear structure that can dismantle's theory of operation as follows:

the first driven gear 2 is also provided with a fixing mechanism;

when the second driven gear 5 needs to be disassembled, the first threaded rod 9 is rotated, the first threaded rod 9 drives the first bevel gear 10 to rotate, the first bevel gear 10 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the sleeve 11 to rotate, under the action of the limiting rod 14, the sleeve 11 drives the second threaded rod 13 to move up and down through the screw thread screwing force, when the second threaded rod 13 is completely pulled out of the second groove, the second driven gear 5 can be disassembled, and the second driven gear 5 can be assembled and fixed through the same operation;

when the first driven gear 2 needs to be disassembled, the disassembling steps of the first driven gear 2 and the second driven gear 5 are the same, and the first driven gear 2 can be disassembled and assembled by the same operation;

when the teeth of the large gear 7 need to be disassembled and replaced, the screws arranged on the large gear 7 can be completely taken out from the threaded holes in the large gear 7 by rotating the screws arranged on the large gear 7, and the teeth of the large gear 7 can be disassembled, so that the installation can be realized by the same operation.

the utility model provides a detachable gear structure,

through the mutual cooperation of second driven gear 5, first threaded rod 9, first bevel gear 10, sleeve 11, second bevel gear 12, second threaded rod 13, first recess, second recess and gag lever post 14, alright realize the dismantlement work to second driven gear 5.

Through the mutual cooperation of gear wheel 7, mounting pad 8, screw hole and screw, can dismantle the change to a plurality of teeth on gear wheel 7 and avoid making whole gear scrap, the resource of wasting because of the damage of single tooth.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and on the premise that the skilled person understands the principle of the present invention, the details of the power mechanism, the power supply system, and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the skilled person in the art;

the standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, parts and equipment adopt conventional models in the prior art, and the structure and the principle of the parts known by the skilled person can be known by technical manuals or conventional experimental methods.

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, or a direct or indirect use of these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents, which are to be included within the scope of the invention as defined in the claims.

Claims

1. A detachable gear structure, comprising:

a rotating shaft;

the first driven gear is arranged on the rotating shaft;

the shaft hole is formed in the first driven gear;

the first oil guide pipes are fixedly arranged on the first driven gear in an annular array;

the second driven gear is arranged on the rotating shaft;

the second oil guide pipes are fixedly arranged on the second driven gear in an annular array;

the large gear is fixedly sleeved on the rotating shaft;

and the mounting gasket is fixedly mounted on the outer wall of the large gear.

2. The detachable gear structure of claim 1, wherein the rotating shaft is provided with a first fixing mechanism, the first fixing mechanism includes a first threaded rod, a first bevel gear, a first sleeve, a second bevel gear, a second threaded rod, and a limiting rod, a first through hole is formed in an outer wall of one side of the rotating shaft, a first groove is formed in the outer wall of the rotating shaft, the first threaded rod is rotatably installed in the first through hole, one end of the first threaded rod extends into the first groove, one end of the first threaded rod, which is far away from the first groove, extends out of the first driven gear, the first bevel gear is arranged in the first groove, and the first bevel gear is fixedly installed at one end of the first threaded rod.

3. The detachable gear structure of claim 2, wherein a rotating groove is formed in a bottom inner wall of the first groove, the sleeve is rotatably mounted on the bottom inner wall of the rotating groove, a top of the sleeve extends into the first groove, a second bevel gear is fixedly sleeved on the sleeve, and the first bevel gear is engaged with the second bevel gear.

4. The detachable gear structure of claim 3, wherein the inner wall of the second driven gear is formed with a second groove, the second threaded rod is threadedly mounted in the sleeve, and the top end of the second threaded rod extends into the second groove and is slidably connected with the inner wall of the second groove.

5. The detachable gear structure of claim 4, wherein a limiting groove is formed in an outer wall of one side of the second threaded rod, a limiting rod is fixedly mounted on an inner wall of one side of the first groove, and one end of the limiting rod extends into the limiting groove and is slidably connected with the inner wall of the limiting groove.

6. The detachable gear structure according to claim 1, wherein a screw hole is formed in a tooth of the large gear, and a screw is threadedly mounted in the screw hole.