CN220869917U - Hollow spline transmission shaft - Google Patents

Abstract

The utility model discloses a hollow spline transmission shaft, which comprises a connecting module and a wear-resistant module, wherein the connecting module comprises a shaft rod, a plurality of spline grooves formed in the outer side of the shaft rod, and positioning grooves formed in the spline grooves, and the wear-resistant module comprises a reinforcing plate embedded in the spline grooves, a clamping plate in interference fit connection between the shaft rod and the reinforcing plate, and two through holes formed in the clamping plate. According to the utility model, the reinforcing plate is locked by the clamping plate, so that the reinforcing plate is fixed inside the spline groove, and then the outer sliding block matched with the shaft rod effectively prevents the inner wall of the spline groove from being worn when moving, so that the service life of the shaft rod is ensured.

Description

Hollow spline transmission shaft

Technical Field

The utility model relates to the technical field of hollow spline transmission shafts, in particular to a hollow spline transmission shaft.

Background

The rolling spline pair is a linear motion system, and when the spline housing uses the steel balls in the spline housing to linearly move on the precisely ground spline shaft, torque can be transmitted. The spline pair has a compact structure, can transmit excessive load and power, and has a longer service life.

The application number 202320732050.3 discloses a high-precision hollow spline transmission shaft, which comprises a shaft body, the last gas-filled cavity that has seted up of axis body, the cover is equipped with the slider on the axis body, four stoppers of inboard fixedly connected with of slider, four slide rails have been seted up in the outside of axis body, four all alternate three regulating block on the stopper, twelve one side of regulating block has all inlayed the ball, twelve one side of ball contacts with the inner wall of four slide rails respectively, twelve one side of regulating block is equal fixedly connected with trapezoidal piece, twelve the outside of trapezoidal piece respectively with four stopper sliding connection. This application can realize the fine setting to ball position, and the slide rail on the axis body is when receiving wearing and tearing size to change, can be appropriate the interval of adjusting ball and slide rail, and then lets the slider can tend to stable slip, improves the accuracy of device. However, when the novel sliding groove is particularly used, the sliding groove is extremely easy to wear, so that the service life of the shaft body is short.

Disclosure of utility model

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows:

The utility model provides a cavity spline transmission shaft, includes connection module and wear-resisting module, connection module include the axostylus axostyle, set up in a plurality of spline grooves in the axostylus axostyle outside, set up in the inside constant head tank of spline groove, wear-resisting module is including inlaying to be located inside reinforcing plate of spline groove, interference grafting in joint board between axostylus axostyle and the reinforcing plate, set up in two through-holes on the joint board.

Through adopting above-mentioned technical scheme, through joint board locking reinforcing plate, make the reinforcing plate fix inside the spline groove, then when removing with axostylus axostyle complex outside slider, effectively prevent that the spline groove inner wall from being worn and torn, guaranteed the life of axostylus axostyle.

The present utility model may be further configured in a preferred example to: the spline grooves are equally spaced and are annularly arranged, and the positioning grooves are communicated with the inside of the spline grooves.

By adopting the technical scheme, the design of the layout is adopted, so that the attractiveness of the shaft lever is ensured.

The present utility model may be further configured in a preferred example to: the number of the clamping plates is twice that of the reinforcing plates, and the clamping plates are respectively positioned at the top ends and the bottom ends of the reinforcing plates.

By adopting the technical scheme, the reinforcing plate can be firmly fixed by adopting the quantity setting.

The present utility model may be further configured in a preferred example to: the first magnet is installed on the inner side of the reinforcing plate, and the length of the first magnet is smaller than that of the reinforcing plate.

By adopting the technical scheme, the magnet is arranged to provide conditions for the second magnet of the wife.

The present utility model may be further configured in a preferred example to: the second magnet is arranged in the positioning groove, and the second magnet and the first magnet are magnetically attracted.

Through adopting above-mentioned technical scheme, after second magnet and the cooperation of first magnet, can improve the stability when reinforcing plate uses.

The present utility model may be further configured in a preferred example to: two rectangular plates are installed on the top end and the bottom end of the reinforcing plate, and the rectangular plates are symmetrical with respect to the vertical center plane of the reinforcing plate.

Through adopting above-mentioned technical scheme, set up the rectangular plate, can reduce the probability that the reinforcing plate dropped.

The present utility model may be further configured in a preferred example to: the rectangular plate manufacturing material is the same as that of the reinforcing plate, and the reinforcing plate is in interference fit with the spline grooves through a plurality of rectangular plates.

Through adopting above-mentioned technical scheme, adopt this structural design, make the reinforcing plate installation more stable.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. according to the utility model, the reinforcing plate is locked by the clamping plate, so that the reinforcing plate is fixed inside the spline groove, and then the outer sliding block matched with the shaft rod effectively prevents the inner wall of the spline groove from being worn when moving, so that the service life of the shaft rod is ensured.

2. In the utility model, when a single reinforcing plate is damaged, a user moves the clamping plate upwards through the through hole, then the reinforcing plate loses idling, and then the user can directly detach the reinforcing plate for replacement, so that the use comfort is improved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a perspective view of a shaft of the present utility model;

FIG. 3 is a schematic view of a wear module of the present utility model;

FIG. 4 is an enlarged view of the portion A of FIG. 3 in accordance with the present utility model;

Fig. 5 is an enlarged view of the B-section structure of fig. 3 according to the present utility model.

Reference numerals:

100. A connection module; 110. a shaft lever; 120. spline grooves; 130. a positioning groove;

200. A wear resistant module; 210. a reinforcing plate; 220. a clamping plate; 230. a through hole;

300. A first magnet;

400. A second magnet;

500. and a rectangular plate.

Description of the embodiments

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present utility model.

A hollow spline transfer shaft provided by some embodiments of the present utility model is described below with reference to the accompanying drawings.

Examples

1-5, The hollow spline transmission shaft provided by the utility model comprises a connecting module 100 and a wear-resistant module 200, wherein the connecting module 100 comprises a shaft rod 110, a plurality of spline grooves 120 formed on the outer side of the shaft rod 110, and positioning grooves 130 formed in the spline grooves 120;

The wear-resistant module 200 includes a reinforcing plate 210 embedded in the spline groove 120, a clamping plate 220 inserted between the shaft 110 and the reinforcing plate 210 in an interference manner, and two through holes 230 formed in the clamping plate 220.

Further, the spline grooves 120 are equally spaced and annularly arranged, and the positioning grooves 130 are communicated with the inside of the spline grooves 120, so that the design of the layout ensures the aesthetic property of the shaft 110.

Further, the number of the clamping plates 220 is twice as large as that of the reinforcing plates 210, and the plurality of clamping plates 220 are respectively positioned at the top ends and the bottom ends of the plurality of reinforcing plates 210.

Examples

As shown in fig. 1 and fig. 5, on the basis of the first embodiment, a first magnet 300 is installed inside the reinforcing plate 210, the length of the first magnet 300 is smaller than that of the reinforcing plate 210, and the magnets are provided to provide conditions for the second magnet 400.

Specifically, the second magnet 400 is installed inside the positioning slot 130, the second magnet 400 magnetically attracts the first magnet 300, and after the second magnet 400 is matched with the first magnet 300, the stability of the reinforcing plate 210 during use can be improved.

Examples

In the above embodiment, as shown in fig. 3-4, two rectangular plates 500 are mounted on the top and bottom ends of the reinforcing plate 210, and a plurality of rectangular plates 500 are symmetrical with respect to the vertical center plane of the reinforcing plate 210, and the rectangular plates 500 are disposed, so that the probability of dropping the reinforcing plate 210 can be reduced.

Specifically, the rectangular plates 500 are made of the same material as the reinforcing plate 210, and the reinforcing plate 210 is in interference fit with the spline grooves 120 through the plurality of rectangular plates 500, so that the reinforcing plate 210 is more stably installed by adopting the structural design.

The working principle and the using flow of the utility model are as follows: when the device is put into practical use, the reinforcing plate 210 is locked through the clamping plate 220, so that the reinforcing plate 210 is fixed inside the spline groove 120, then the external sliding block matched with the shaft rod 110 effectively prevents the inner wall of the spline groove 120 from being worn when moving, the service life of the shaft rod 110 is ensured, then when the single reinforcing plate 210 is damaged, a user moves the clamping plate 220 upwards through the through hole 230, then the reinforcing plate 210 is lost to be idle, and then the user can directly detach the reinforcing plate 210 for replacement.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that when an element is referred to as being "mounted," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (7)

1. A hollow spline transfer shaft, comprising:

the connecting module (100) comprises a shaft lever (110), a plurality of spline grooves (120) formed in the outer side of the shaft lever (110), and positioning grooves (130) formed in the spline grooves (120);

The wear-resistant module (200) comprises a reinforcing plate (210) embedded in the spline groove (120), a clamping plate (220) in interference insertion connection between the shaft rod (110) and the reinforcing plate (210), and two through holes (230) formed in the clamping plate (220).

2. A hollow spline transmission shaft as claimed in claim 1, wherein a plurality of spline grooves (120) are equally spaced in an annular arrangement, said locating grooves (130) communicating with the interior of the spline grooves (120).

3. The hollow spline transmission shaft as claimed in claim 1, wherein the number of the clamping plates (220) is twice as large as that of the reinforcing plates (210), and the plurality of clamping plates (220) are respectively located at top and bottom ends of the plurality of reinforcing plates (210).

4. A hollow spline transmission shaft as claimed in claim 1, wherein a first magnet (300) is mounted inside the reinforcing plate (210), the length of the first magnet (300) being smaller than the length of the reinforcing plate (210).

5. The hollow spline transmission shaft as recited in claim 4, wherein said positioning slot (130) has a second magnet (400) mounted therein, said second magnet (400) magnetically attracted to said first magnet (300).

6. A hollow spline transmission shaft as claimed in claim 1, wherein said reinforcing plate (210) has two rectangular plates (500) mounted at both top and bottom ends, and a plurality of rectangular plates (500) are symmetrical about a vertical center plane of the reinforcing plate (210).

7. A hollow spline transmission shaft as claimed in claim 6, wherein said rectangular plates (500) are made of the same material as the reinforcing plates (210), said reinforcing plates (210) being interference fit with spline grooves (120) by a plurality of rectangular plates (500).