CN213628561U - Accurate type is axle sleeve for universal coupling - Google Patents

Abstract

The utility model discloses an axle sleeve for accurate universal coupling relates to the axle sleeve field, for solving current axle sleeve function singleness for universal coupling, does not have the radiating function of initiative, appears the heat loss easily after long-time use to reduce life's problem. The fixed outer sleeve is internally provided with a fixed inner sleeve in a penetrating manner, a heat dissipation cavity is arranged between the fixed outer sleeve and the fixed inner sleeve, a heat dissipation through hole is formed in the outer surface of the fixed outer sleeve and is communicated with the inside of the heat dissipation cavity, heat dissipation fins are fixedly connected to the outer surface of the fixed outer sleeve, a first limiting seat is integrally connected to the outer surface of the fixed inner sleeve, and heat dissipation fan blades are fixedly connected to the side surface of the first limiting seat.

Description

Accurate type is axle sleeve for universal coupling

Technical Field

The utility model relates to an axle sleeve field specifically is an axle sleeve for accurate type universal coupling.

Background

The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Generally, the shaft sleeve is in interference fit with the bearing seat and in clearance fit with the shaft, and the shaft sleeve is widely applied in various fields, such as the field of stable rotation of the universal coupling.

The existing shaft sleeve for the universal coupling has single function and no active heat dissipation function, and is easy to generate heat loss after being used for a long time, so that the service life is shortened, and in order to actively dissipate heat, the heat loss is avoided, and the service life is prolonged; therefore, the market urgently needs to develop a precise shaft sleeve for the universal coupling to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an axle sleeve for accurate type universal coupling to solve among the above-mentioned background art current axle sleeve for universal coupling function singleness, do not have the radiating function of initiative, the heat loss appears easily after long-time use, thereby reduces life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axle sleeve for accurate type universal coupling, includes fixed outer tube, the inside of fixed outer tube is run through and is had fixed interior sleeve pipe, be provided with the heat dissipation cavity between fixed outer tube and the fixed interior sleeve pipe, be provided with the heat dissipation through-hole on the surface of fixed outer tube, the heat dissipation through-hole communicates with each other with the heat dissipation cavity is inside, fixedly connected with radiating fin on the surface of fixed outer tube, an organic whole is connected with first spacing seat on the fixed interior sheathed tube surface, fixedly connected with heat dissipation flabellum on the side surface of first spacing seat.

Preferably, be provided with the mounting groove on the inner wall of fixed outer tube, and the internally mounted of mounting groove has the second ball, fixed outer tube symmetry both ends are respectively an organic whole and are connected with the spacing seat of a third, and the spacing seat of third of nearly first spacing seat one side is relative with first spacing seat and put, install first ball between the spacing seat of third and the first spacing seat, the spacing seat of second has been cup jointed to fixed sheathed tube one end outside, install first ball between spacing seat of second and the third, through fixing bolt fixed connection between spacing seat of second and the fixed interior sleeve pipe.

Preferably, the two symmetrical ends of the side surface of the fixed outer sleeve are respectively provided with an outer sleeve fixing groove, and the clamp is arranged inside the outer sleeve fixing groove.

Preferably, the fixed inner sleeve and the fixed outer sleeve share a central shaft, a threaded hole is formed in the outer surface of the fixed inner sleeve, and a universal coupling is mounted inside the fixed inner sleeve.

Preferably, the heat dissipation fins are provided in plurality and are distributed in a circle by taking the axis of the fixed outer sleeve as the center of circle.

Preferably, the first limiting seat is disc-shaped, and the plurality of heat dissipation fan blades are uniformly distributed on the side surface of the first limiting seat.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model has the advantages that the fixing inner sleeve is penetrated in the fixing outer sleeve, the heat dissipation cavity is arranged between the fixing outer sleeve and the fixing inner sleeve, the heat dissipation through hole is arranged on the outer surface of the fixing outer sleeve and is communicated with the inside of the heat dissipation cavity, the heat dissipation fin is fixedly connected on the outer surface of the fixing outer sleeve, the first limit seat is integrally connected on the outer surface of the fixing inner sleeve, the heat dissipation fan blade is fixedly connected on the side surface of the first limit seat, the heat dissipation fan blade can drive the surrounding gas to flow by the rotation of the heat dissipation fan blade, so that the heat dissipated on the heat dissipation fin is, the air circularly flows in the heat dissipation cavity through the heat dissipation through holes, so that the heat of the shaft sleeve during working is effectively reduced, the error of the shaft sleeve caused by heat loss is effectively avoided, and the functionality of the shaft sleeve is enhanced;

2. the utility model discloses a through set up the mounting groove on the inner wall of fixed outer tube, and the internally mounted of mounting groove has the second ball, fixed outer tube symmetry both ends are the integrative third spacing seat that is connected with respectively, and the third spacing seat of nearly first spacing seat one side is relative and is put with first spacing seat, install first ball between third spacing seat and the first spacing seat, the spacing seat of second has been cup jointed to the interior sheathed tube one end outside of fixed, install first ball between spacing seat of second and the third spacing seat, through fixing bolt fixed connection between the interior sleeve pipe of second spacing seat and fixed, this friction that produces when utilizing first ball and second ball to reduce the axle sleeve rotation, the effectual resistance that receives when having reduced universal coupling rotates, the rotation efficiency is improved, and wearing and tearing are reduced, service life is prolonged.

Drawings

Fig. 1 is an overall schematic view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a sectional view taken along line a-a of the present invention.

In the figure: 1. fixing the outer sleeve; 2. a heat dissipating through hole; 3. a heat dissipating fin; 4. an outer sleeve fixing groove; 5. fixing the inner sleeve; 6. a first limiting seat; 7. a heat dissipation fan blade; 8. a second limiting seat; 9. fixing the bolt; 10. a first ball bearing; 11. a third limiting seat; 12. a second ball bearing; 13. a heat dissipation cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a precise shaft sleeve for a universal coupling comprises a fixed outer sleeve 1, a fixed inner sleeve 5 penetrates through the inside of the fixed outer sleeve 1, a heat dissipation cavity 13 is arranged between the fixed outer sleeve 1 and the fixed inner sleeve 5, a heat dissipation through hole 2 is arranged on the outer surface of the fixed outer sleeve 1, the heat dissipation through hole 2 is communicated with the inside of the heat dissipation cavity 13, a heat dissipation fin 3 is fixedly connected on the outer surface of the fixed outer sleeve 1, a first limiting seat 6 is integrally connected on the outer surface of the fixed inner sleeve 5, and a heat dissipation fan blade 7 is fixedly connected on the side surface of the first limiting seat 6, so that the heat dissipation fin 7 can rotate to drive surrounding air to flow, the flowing air takes away the heat dissipated by the heat dissipation fin 3, the air circulates to flow inside the heat dissipation cavity 13 through the heat dissipation through hole 2, and the self heat of the shaft sleeve during, the shaft sleeve has the advantages that errors of the shaft sleeve caused by heat loss are effectively avoided, and meanwhile, the functionality of the shaft sleeve is enhanced.

Furthermore, the inner wall of the fixed outer sleeve 1 is provided with a mounting groove, the inside of the mounting groove is provided with a second ball 12, the symmetrical two ends of the fixed outer sleeve 1 are respectively and integrally connected with a third limiting seat 11, and the third spacing seat 11 near one side of the first spacing seat 6 is arranged opposite to the first spacing seat 6, a first ball 10 is arranged between the third spacing seat 11 and the first spacing seat 6, a second spacing seat 8 is sleeved outside one end of the fixed inner sleeve 5, a first ball 10 is arranged between the second spacing seat 8 and the third spacing seat 11, the second spacing seat 8 is fixedly connected with the fixed inner sleeve 5 through a fixing bolt 9, the friction force generated when the shaft sleeve rotates is reduced by utilizing the first ball 10 and the second ball 12, the resistance received when the universal coupling rotates is effectively reduced, the rotating efficiency is improved, the abrasion is reduced, and the service life is prolonged.

Further, two symmetrical ends of the side surface of the fixed outer sleeve 1 are respectively provided with an outer sleeve fixing groove 4, and a hoop is arranged inside the outer sleeve fixing groove 4.

Furthermore, the fixed inner sleeve 5 and the fixed outer sleeve 1 share a central shaft, a threaded hole is formed in the outer surface of the fixed inner sleeve 5, and a universal coupling is mounted inside the fixed inner sleeve 5.

Further, a plurality of radiating fins 3 are arranged and are circularly distributed with the axis of the fixed outer sleeve 1 as the center of a circle.

Further, first spacing seat 6 is discoid, and heat dissipation flabellum 7 is provided with a plurality ofly, and even distribution is on the side surface of first spacing seat 6.

The working principle is as follows: during the use, install the device in appointed position earlier, universal joint pivot fixed mounting is in the inside of fixed interior sleeve pipe 5 this moment, when universal joint rotates, under first ball 10 and second ball 12's effect, fixed interior sleeve pipe 5 begins to rotate, heat dissipation flabellum 7 also begins to rotate under fixed interior sleeve pipe 5's rotation, gas around the rotation along with heat dissipation flabellum 7 begins to flow, the heat that gives off on heat dissipation fin 3 has been taken away after the air that flows this moment passes heat dissipation fin 3, the air that flows simultaneously flows passes through heat dissipation through-hole 2 at the inside circulation flow of heat dissipation cavity 13, make this axle sleeve can initiatively dispel the heat, the effectual heat loss that has reduced, service life is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a shaft sleeve for accurate type universal coupling, includes fixed outer tube (1), its characterized in that: the utility model discloses a fixed outer tube (1) for the lamp, including fixed outer tube (1), fixed outer tube (5) is run through to the inside, be provided with heat dissipation cavity (13) between fixed outer tube (1) and the fixed interior sleeve pipe (5), be provided with heat dissipation through-hole (2) on the surface of fixed outer tube (1), heat dissipation through-hole (2) and heat dissipation cavity (13) are inside to communicate with each other, fixedly connected with radiating fin (3) on the surface of fixed outer tube (1), an organic whole is connected with first spacing seat (6) on the surface of fixed inner tube (5), fixedly connected with heat dissipation flabellum (7) on the side surface of first spacing seat (6).

2. The sleeve for a precision universal coupling according to claim 1, wherein: be provided with the mounting groove on the inner wall of fixed outer tube (1), and the internally mounted of mounting groove has second ball (12), fixed outer tube (1) symmetry both ends respectively an organic whole be connected with spacing seat of a third (11), and the spacing seat of third (11) of nearly first spacing seat (6) one side is relative and is put with first spacing seat (6), install first ball (10) between spacing seat of third (11) and first spacing seat (6), the one end outside of sleeve pipe (5) has cup jointed spacing seat of second (8), install first ball (10) between spacing seat of second (8) and the spacing seat of third (11), through fixing bolt (9) fixed connection between spacing seat of second (8) and the fixed sleeve pipe (5).

3. The sleeve for a precision universal coupling according to claim 1, wherein: the symmetry both ends of fixed outer tube (1) side surface are provided with an outer tube fixed slot (4) respectively, the internally mounted of outer tube fixed slot (4) has the clamp.

4. The sleeve for a precision universal coupling according to claim 1, wherein: the fixed inner sleeve (5) and the fixed outer sleeve (1) share a central shaft, a threaded hole is formed in the outer surface of the fixed inner sleeve (5), and a universal coupling is arranged inside the fixed inner sleeve (5).

5. The sleeve for a precision universal coupling according to claim 1, wherein: the heat dissipation fins (3) are arranged in a plurality and are distributed in a circular manner by taking the axis of the fixed outer sleeve (1) as the center of a circle.

6. The sleeve for a precision universal coupling according to claim 1, wherein: the first limiting seat (6) is disc-shaped, and the plurality of radiating fan blades (7) are uniformly distributed on the side surface of the first limiting seat (6).

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