CN219062360U

CN219062360U - Internal spline transmission gear set

Info

Publication number: CN219062360U
Application number: CN202223512862.1U
Authority: CN
Inventors: 郁建锋; 姚忠斌; 周雪冬
Original assignee: Suzhou Dongling New Material Technology Co ltd
Current assignee: Suzhou Dongling New Material Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-23
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses an internal spline transmission gear set which comprises an external gear and an internal gear, wherein an internal spline is arranged in an inner cavity of the external gear, the internal spline is meshed with the internal gear, a transmission rod is arranged in the inner cavity of the internal gear, a sealing cover is sleeved on the surface of the transmission rod, annular plates are fixedly connected to the top and the bottom of the external gear, and clamping grooves are formed in the front and rear positions of the inner cavity of the annular plate. According to the utility model, the internal gear is arranged in the external gear and is meshed with the internal spline, at the moment, the external gear can be driven to rotate by the rotation of the transmission rod, so that the rotation perimeter of the gear set is increased, when the external gear is damaged in long-time use, a user only needs to replace the external gear, the whole external gear is not required to be replaced, the cost expenditure is reduced, the maintenance efficiency is improved, and the joint of the external gear and the internal gear can be sealed by the arrangement of the sealing cover, so that the pollution of external dust to butter is reduced.

Description

Internal spline transmission gear set

Technical Field

The utility model relates to the technical field of gear transmission, in particular to an internal spline transmission gear set.

Background

The spline is commonly used for connecting a gear with a transmission shaft, the connecting spline requires accurate centering of the gear, torque between the gear and the transmission shaft is transmitted, namely the gear and the transmission shaft are sleeved together, involute on the tooth side of the spline is generally used for centering, in order to ensure the precision of gear transmission, the processing precision requirement of the external spline of the transmission shaft or the internal spline on the gear is relatively high, and the error requirement of tooth form error and tooth form on the center is relatively strict.

In order to ensure the precision, grease is generally smeared at the joint of the internal spline of the gear, so that the protection of the spline is increased, but after the grease is smeared on the traditional internal spline transmission gear set, the traditional internal spline transmission gear set lacks protection measures, is easy to be stained with dust, so that the lubricating performance of the grease is influenced, and the abrasion rate of the spline is increased.

Disclosure of Invention

The present utility model is directed to an internal spline drive gear set, which solves the problems set forth in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an internal spline transmission gear train, includes external gear and internal gear, the inner chamber of external gear is provided with the internal spline, internal spline and internal gear meshing, the inner chamber of internal gear is provided with the transfer line, the surface cover of transfer line is equipped with sealed lid, the equal fixedly connected with annular plate in top and bottom of external gear, the draw-in groove has all been seted up to the front and back position of annular plate inner chamber.

Preferably, the front and rear positions of the two opposite sides of the sealing cover are fixedly connected with fixing blocks, and the inner cavities of the fixing blocks are slidably connected with clamping rods.

Preferably, one end of the clamping rod is positioned in the inner cavity of the clamping groove, and the other end of the clamping rod is fixedly connected with a spring.

Preferably, the inner wall of the fixed block is provided with a sliding groove, the inner cavity of the sliding groove is slidably connected with a sliding block, and one end of the sliding block away from the sliding groove is fixedly connected with the clamping rod.

Preferably, the surface of the clamping rod is fixedly connected with a pull handle, and the surface of the pull handle is provided with anti-skid patterns.

Preferably, the outer surface of the fixed block is provided with a through hole, and the pull handle is positioned in the inner cavity of the through hole.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the internal gear is arranged in the external gear and is meshed with the internal spline, at the moment, the external gear can be driven to rotate by rotating the transmission rod, so that the rotation circumference of the gear set is increased, when the external gear is damaged in long-time use, a user only needs to replace the external gear, the whole external gear is not required to be replaced, the cost expenditure is reduced, the maintenance efficiency is improved, the sealing cover is arranged, the joint of the external gear and the internal gear can be sealed, the pollution of external dust to butter is reduced, and finally, the sealing cover can be rapidly detached by arranging the annular plate, the clamping groove, the fixing block, the clamping rod and the spring, so that the gear set is convenient for the user to maintain.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a connection diagram of an outer gear and an inner gear of the present utility model;

FIG. 3 is a side cross-sectional view of the structure of the present utility model;

fig. 4 is a partial enlarged view of a structural diagram of the present utility model at a in fig. 3.

In the figure: 1. an external gear; 2. an internal gear; 3. an internal spline; 4. a transmission rod; 5. sealing cover; 6. an annular plate; 7. a clamping groove; 8. a fixed block; 9. a clamping rod; 10. a spring; 11. a chute; 12. a slide block; 13. a pull handle; 14. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements 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 utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, an internal spline transmission gear set includes an external gear 1 and an internal gear 2, an internal spline 3 is disposed in an inner cavity of the external gear 1, the internal spline 3 is meshed with the internal gear 2, a transmission rod 4 is disposed in an inner cavity of the internal gear 2, a sealing cover 5 is sleeved on a surface of the transmission rod 4, annular plates 6 are fixedly connected to the top and bottom of the external gear 1, clamping grooves 7 are disposed at front and rear positions of the inner cavity of the annular plates 6, the internal gear 2 is mounted in the external gear 1 and meshed with the internal spline 3, at this time, the external gear 1 can be driven to rotate by rotation of the transmission rod 4, so that the rotation perimeter of the gear set is increased, and when the external gear 1 is damaged due to long-time use, a user only needs to replace the external gear 1, the whole is not required to replace, so that cost expenditure is reduced, maintenance efficiency is improved, and the joint of the external gear 1 and the internal gear 2 can be sealed, and finally pollution of external dust to butter is reduced by the annular plates 6, the clamping grooves 7, the fixing blocks 8, the clamping rods 9 and springs 10 are disposed, and the sealing cover 5 can be quickly detached, so that the gear set is convenient for the user to maintain.

Specifically, the front and back positions of one side of the two sealing covers 5 opposite to each other are fixedly connected with a fixing block 8, and the inner cavity of the fixing block 8 is slidably connected with a clamping rod 9.

Specifically, one end of the clamping rod 9 is located in the inner cavity of the clamping groove 7, and the other end of the clamping rod 9 is fixedly connected with a spring 10.

Specifically, the inner wall of fixed block 8 has seted up spout 11, and the inner chamber sliding connection of spout 11 has slider 12, and the one end and the card pole 9 fixed connection of slider 12 far away from spout 11.

Specifically, the fixed surface of clamping rod 9 is connected with pull handle 13, and the surface of pull handle 13 is provided with the anti-skidding line, drives clamping rod 9 and shifts out from draw-in groove 7 through pulling pull handle 13, can dismantle sealed lid 5 fast at this moment to the person of facilitating the use maintains the gear train, otherwise under spring 10's elasticity effect that resets, can be convenient for install sealed lid 5 fast.

Specifically, the through hole 14 is opened to the surface of fixed block 8, and pull handle 13 is located the inner chamber of through hole 14.

When the external gear is used, the internal gear 2 is arranged in the external gear 1 and is meshed with the internal spline 3, at the moment, the external gear 1 can be driven to rotate by the rotation of the transmission rod 4, so that the rotation circumference of the gear set is increased, when the external gear 1 is damaged after long-time use, a user only needs to replace the external gear 1, the whole external gear 1 is not required to be replaced, the cost expenditure is reduced, the maintenance efficiency is improved, and the joint of the external gear 1 and the internal gear 2 can be sealed by the arrangement of the sealing cover 5, so that the pollution of external dust to butter is reduced;

finally, the pull handle 13 is pulled to drive the clamping rod 9 to move out of the clamping groove 7, and then the sealing cover 5 can be quickly detached, so that a user can conveniently maintain the gear set, and conversely, under the action of the reset elastic force of the spring 10, the sealing cover 5 can be conveniently and quickly installed.

The standard parts used in the application file can be purchased from the market, and can be customized according to the description of the specification and the drawing, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment adopt conventional models in the prior art, the control mode is controlled automatically by a controller, a control circuit of the controller can be realized by simple programming of a person skilled in the art, the control method belongs to common knowledge in the art, and the application file is mainly used for protecting a mechanical device, so the control mode and circuit connection are not explained in detail.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. An internal spline drive gear set, includes external gear (1) and internal gear (2), its characterized in that: the inner cavity of external gear (1) is provided with internal spline (3), internal spline (3) and internal gear (2) meshing, the inner cavity of internal gear (2) is provided with transfer line (4), the surface cover of transfer line (4) is equipped with sealed lid (5), the equal fixedly connected with annular plate (6) in top and bottom of external gear (1), draw-in groove (7) have all been seted up to the front and back position of annular plate (6) inner chamber.

2. An internally splined drive gear set according to claim 1, wherein: the front and rear positions of the two opposite sides of the sealing cover (5) are fixedly connected with fixed blocks (8), and the inner cavities of the fixed blocks (8) are slidably connected with clamping rods (9).

3. An internally splined drive gear set according to claim 2, wherein: one end of the clamping rod (9) is positioned in the inner cavity of the clamping groove (7), and the other end of the clamping rod (9) is fixedly connected with a spring (10).

4. An internally splined drive gear set according to claim 3, characterised in that: the inner wall of the fixed block (8) is provided with a sliding groove (11), an inner cavity of the sliding groove (11) is slidably connected with a sliding block (12), and one end, far away from the sliding groove (11), of the sliding block (12) is fixedly connected with the clamping rod (9).

5. An internally splined drive gear set according to claim 4, wherein: the surface of the clamping rod (9) is fixedly connected with a pull handle (13), and anti-skid patterns are arranged on the surface of the pull handle (13).

6. An internally splined drive gear set according to claim 5, wherein: the outer surface of the fixed block (8) is provided with a through hole (14), and the pull handle (13) is positioned in the inner cavity of the through hole (14).