CN217463078U - Right-angle speed reducer - Google Patents

Abstract

The utility model discloses a right-angle speed reducer, which relates to the technical field of speed reducers and comprises a shell, wherein the shell is of a right-angle structure, and an input shaft and an output shaft are respectively arranged at two ends of the shell; a first bevel gear is arranged in the shell in the direction concentric with the axis of the input shaft and connected with the input shaft; the high-speed rotation of the input shaft can be converted into the low-speed rotation of the output shaft by driving the planet wheel with a large drive cycle by the sun wheel with a small gear cycle.

Description

Right-angle speed reducer

Technical Field

The utility model relates to a speed reducer technical field specifically is a right angle speed reducer.

Background

The speed reducer plays a role in matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, and is widely applied to modern machinery.

But the speed reducer in the current market still has defects when in use. For example, it is difficult for the speed reducer to perform speed reduction transmission of the motor in a direction perpendicular to the direction. In addition, when the speed reducer is used, and the temperature inside the speed reducer is too high, the shell of the speed reducer is not provided with the pressure stabilizing mechanism, so that the shell of the speed reducer can deform and damage when the speed reducer is used for a long time, and the service life of the speed reducer is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a right angle speed reducer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a right-angle speed reducer comprises a shell, wherein the shell is of a right-angle structure, and an input shaft and an output shaft are respectively mounted at two ends of the shell; a first bevel gear is arranged in the shell in the direction concentric with the axis of the input shaft and connected with the input shaft; the high-speed rotation of the input shaft can be converted into the low-speed rotation of the output shaft by the sun gear and the planet gear through output of the output shaft.

Preferably, the corner of casing is fixed with fixed box, first check valve is installed to the one end of fixed box, one side of fixed box is fixed with a plurality of intubate, the end of intubate extends to the inside of casing, the intubate is linked together with fixed box, utilizes the intubate can be with fixed box and casing intercommunication to add lubricating oil to the inside of casing fast through first check valve, the inside of the end of producing oil towards fixed box of first check valve, be provided with the rubber pad between the bottom of fixed box and the outer wall of casing, utilize the rubber pad can further seal between fixed box and the casing, prevent that lubricating oil from revealing.

Preferably, the inside top and the inside bottom of intubate all are fixed with the limiting plate, the through-hole has been seted up to the inside of limiting plate, two be provided with the spring between the limiting plate, the top of spring is connected with first dog, the bottom of spring is connected with the second dog, and when casing internal pressure increased, the air of inflation part can get into in the intubate to will drive the second dog and remove to the direction of first dog, and then save the air of inflation part, carry out the steady voltage to casing internal cavity.

Preferably, the diameters of the first stop and the second stop are the same as the inner diameter of the insertion tube, and a piston is fixed at the bottom of the second stop to prevent air and lubricating oil in the shell from passing through a gap between the insertion tubes of the second stop.

Preferably, a second check valve is installed inside the second check block, an oil guide hole is vertically formed inside the first check block, the oil outlet end of the second check valve faces the bottom of the insertion tube, air can be prevented from passing through the second check block by the second check valve, and meanwhile, the process that subsequent lubricant flows into the shell from the inside of the insertion tube is not affected.

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

1. this right angle speed reducer utilizes first bevel gear and second bevel gear, can transmit the power of input shaft to the output shaft on the right angle direction, utilizes the great planet wheel of the less sun gear drive cycle of gear cycle to rotate, can turn into the low-speed rotation of output shaft with the high-speed rotation of input shaft.

2. This right angle speed reducer, when the inside high temperature of casing, when leading to the air inflation, the air of inflation part can get into the intubate to will drive the direction promotion of second dog to first dog, and then save the air of inflation part, with carry out the steady voltage to casing internal cavity, thereby stability when improving the speed reducer use, the life of extension speed reducer.

Drawings

Fig. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the insertion tube of the present invention;

fig. 3 is a cross-sectional view of the first stopper of the present invention;

fig. 4 is a cross-sectional view of a second stop of the present invention.

In the figure: 1. an input shaft; 2. a sun gear; 3. an output shaft; 4. a planet wheel; 5. a second bevel gear; 6. a fixing box; 7. a first bevel gear; 8. inserting a tube; 9. a housing; 10. a limiting plate; 11. a spring; 12. a second stopper; 13. a through hole; 14. a first stopper; 15. a first check valve; 16. an oil guide hole; 17. a second one-way valve.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the right-angle speed reducer of the present embodiment includes a housing 9, the housing 9 is a right-angle structure, and an input shaft 1 and an output shaft 3 are respectively mounted at two ends of the housing 9; a first bevel gear 7 is arranged in the housing 9 in the direction concentric with the axis of the input shaft 1, and the first bevel gear 7 is connected with the input shaft 1; the inside of casing 9 is provided with second bevel gear 5 on the direction concentric with output shaft 3 axle center, be provided with planet wheel 4 and sun gear 2 between second bevel gear 5 and the output shaft 3, second bevel gear 5 passes through the axostylus axostyle and is connected with sun gear 2, output shaft 3 is connected with planet wheel 4, sun gear 2 passes through the tooth engagement with planet wheel 4 and is connected, utilize first bevel gear 7 and second bevel gear 5, the power of input shaft 1 carries out the right angle transmission, and export through output shaft 3, utilize sun gear 2 and planet wheel 4, can convert the high-speed rotation of input shaft 1 into the low-speed rotation of output shaft 3.

Through the technical scheme:

when the planetary gear type synchronous transmission device is used, the input shaft 1 drives the first bevel gear 7 to rotate, so that the second bevel gear 5 can be driven to synchronously rotate, the second bevel gear 5 drives the sun gear 2 to rotate, and the planetary gear 4 is matched to drive the output shaft 3 to rotate;

the first bevel gear 7 and the second bevel gear 5 can transmit the power of the input shaft 1 to the output shaft 3 in a right-angle direction, and the sun gear 2 with a smaller gear cycle drives the planet gear 4 with a larger cycle to rotate, so that the high-speed rotation of the input shaft 1 can be converted into the low-speed rotation of the output shaft 3.

Referring to fig. 2, the corner of casing 9 is fixed with fixed box 6, first check valve 15 is installed to the one end of fixed box 6, one side of fixed box 6 is fixed with a plurality of intubate 8, the end of intubate 8 extends to the inside of casing 9, intubate 8 is linked together with fixed box 6, utilize intubate 8 can be with fixed box 6 and casing 9 intercommunication, with through first check valve 15 add lubricating oil to the inside of casing 9 fast, the inside of the fixed box 6 of the end orientation that produces oil of first check valve 15, be provided with the rubber pad between the bottom of fixed box 6 and the outer wall of casing 9, utilize the rubber pad can further seal between fixed box 6 and the casing 9, prevent that lubricating oil from revealing.

Through the technical scheme:

during the use, because the intubate 8 is with fixed box 6 and casing 9 intercommunication, consequently, later throw into lubricating oil through first check valve 15 to the inside of fixed box 6, can make lubricating oil directly get into the inside of casing 9, and then accomplish the lubricating oil of casing 9 fast and add the operation.

Referring to fig. 2-4, limiting plates 10 are fixed to the top and the bottom of the inside of the insertion tube 8, through holes 13 are formed in the limiting plates 10, springs 11 are arranged between the two limiting plates 10, the top ends of the springs 11 are connected with first stop blocks 14, the bottom ends of the springs 11 are connected with second stop blocks 12, when the pressure inside the shell 9 is increased, air of the expansion part can enter the insertion tube 8 and drive the second stop blocks 12 to move towards the first stop blocks 14, and then the air of the expansion part is stored to stabilize the pressure of the cavity inside the shell 9.

Specifically, the diameters of the first stopper 14 and the second stopper 12 are the same as the inner diameter of the insertion tube 8, and a piston is fixed at the bottom of the second stopper 12 to prevent air and lubricating oil in the housing 9 from passing through a gap between the insertion tubes 8 of the second stopper 12.

Furthermore, a second check valve 17 is installed inside the second stopper 12, an oil guide hole 16 is vertically formed inside the first stopper 14, the oil outlet end of the second check valve 17 faces the bottom of the insertion tube 8, air can be prevented from passing through the second stopper 12 by the second check valve 17, and meanwhile, the process that subsequent lubricant flows into the shell 9 from the insertion tube 8 is not affected.

Through the technical scheme:

when the speed reducer is used, when the rotating speeds of the first bevel gear 7 and the second bevel gear 5 are too high, the temperature inside the shell 9 is overheated, air inside the shell 9 expands, and the pressure inside the shell 9 is increased, the air of the expansion part enters the insertion pipe 8 and drives the second stop block 12 to move towards the first stop block 14, so that the air of the expansion part is stored, the pressure of the cavity inside the shell 9 is stabilized, the stability of the speed reducer during use is improved, and the service life of the speed reducer is prolonged;

when the pressure inside the housing 9 gradually returns to a normal level, the second stopper 12 is restored by the spring 11 so as to maintain the initial volume of air inside the housing 9.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. The utility model provides a right angle speed reducer, includes casing (9), its characterized in that: the shell (9) is of a right-angle structure, and an input shaft (1) and an output shaft (3) are respectively mounted at two ends of the shell (9);

a first bevel gear (7) is arranged in the shell (9) in the direction concentric with the axis of the input shaft (1), and the first bevel gear (7) is connected with the input shaft (1);

a second bevel gear (5) is arranged in the shell (9) in the direction concentric with the axis of the output shaft (3), a planet wheel (4) and a sun wheel (2) are arranged between the second bevel gear (5) and the output shaft (3), the second bevel gear (5) is connected with the sun wheel (2) through a shaft rod, the output shaft (3) is connected with the planet wheel (4), and the sun wheel (2) is connected with the planet wheel (4) through gear teeth in a meshed manner;

a fixing box (6) is fixed at a corner of the shell (9), a first one-way valve (15) is installed at one end of the fixing box (6), a plurality of insertion tubes (8) are fixed at one side of the fixing box (6), the tail ends of the insertion tubes (8) extend into the shell (9), the insertion tubes (8) are communicated with the fixing box (6), and the oil outlet ends of the first one-way valves (15) face the inside of the fixing box (6);

limiting plates (10) are fixed to the top and the bottom of the interior of the insertion tube (8), a through hole (13) is formed in each limiting plate (10), a spring (11) is arranged between the two limiting plates (10), the top end of each spring (11) is connected with a first stop block (14), and the bottom end of each spring (11) is connected with a second stop block (12);

the diameters of the first stop block (14) and the second stop block (12) are the same as the inner diameter of the insertion tube (8), and a piston is fixed at the bottom of the second stop block (12);

a second check valve (17) is installed inside the second check block (12), an oil guide hole (16) is vertically formed inside the first check block (14), and the oil outlet end of the second check valve (17) faces the bottom of the insertion pipe (8).

2. The right angle reducer of claim 1, wherein: a rubber pad is arranged between the bottom of the fixed box (6) and the outer wall of the shell (9).

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