阅读说明：本技术 一种离合器 (Clutch device ) 是由 陈渊技 于 2021-09-30 设计创作，主要内容包括：本发明涉及断路装置技术领域,尤其涉及一种离合器,包括第一传动轴、第一传动齿轮、第二传动齿轮和滚动体,第一传动轴上开设有楔形孔；第一传动齿轮固定套设于第一传动轴；第二传动齿轮转动套设在第一传动轴,且第二传动齿轮的轴孔孔壁上开设有凹槽；滚动体能够完全位于楔形孔中,也能够由楔形孔向外滚动至部分位于楔形孔,部分位于凹槽且抵接于凹槽的槽壁；离合器被配置为：第一传动齿轮受力转动时,带动第一传动轴转动,滚动体由楔形孔向外滚动至部分位于楔形孔,部分位于凹槽,带动第二传动齿轮转动,第二传动齿轮转动时,滚动体滚动至楔形孔内,第一传动轴不会随着转动,本发明提供的离合器结构简单,便于加工,且占用断路装置内安装空间小。(The invention relates to the technical field of circuit breakers, in particular to a clutch, which comprises a first transmission shaft, a first transmission gear, a second transmission gear and a rolling body, wherein a wedge-shaped hole is formed in the first transmission shaft; the first transmission gear is fixedly sleeved on the first transmission shaft; the second transmission gear is rotatably sleeved on the first transmission shaft, and a groove is formed in the hole wall of the shaft hole of the second transmission gear; the rolling body can be completely positioned in the wedge-shaped hole, and can also roll outwards from the wedge-shaped hole to be partially positioned in the wedge-shaped hole, and the part is positioned in the groove and abutted against the groove wall of the groove; the clutch is configured to: when the first transmission gear is stressed to rotate, the first transmission gear is driven to rotate, the rolling body rolls outwards from the wedge-shaped hole to be partially positioned in the wedge-shaped hole, and is partially positioned in the groove to drive the second transmission gear to rotate, when the second transmission gear rotates, the rolling body rolls into the wedge-shaped hole, and the first transmission shaft cannot rotate along with the rolling body.)

1. A clutch, comprising:

the transmission mechanism comprises a first transmission shaft (1), wherein a wedge-shaped hole (11) is formed in the first transmission shaft (1);

the first transmission gear (2), the first transmission gear (2) is fixedly sleeved on the first transmission shaft (1);

the second transmission gear (3) is rotatably sleeved on the first transmission shaft (1), and a groove (31) is formed in the hole wall of the shaft hole of the second transmission gear (3);

the rolling bodies (4) can be completely positioned in the wedge-shaped hole (11) and can also roll outwards from the wedge-shaped hole (11) to be partially positioned in the wedge-shaped hole (11) and partially positioned in the groove (31) and abutted against the groove wall of the groove (31);

the clutch is configured to: when first transmission gear (2) atress rotated, drive first transmission shaft (1) rotates, rolling element (4) by wedge hole (11) outwards rolls to the part and is located wedge hole (11), and the part is located recess (31) drives second transmission gear (3) rotate, when second transmission gear (3) atress rotated, rolling element (4) roll extremely in wedge hole (11), first transmission shaft (1) can not be along with rotating.

2. The clutch according to claim 1, characterized by further comprising a damping member (5) and a shaft sleeve (6), wherein the shaft sleeve (6) is fixedly sleeved on the first transmission shaft (1), the second transmission gear (3) is rotatably sleeved on the shaft sleeve (6), a through hole (61) is formed in the shaft sleeve (6), the rolling body (4) can penetrate through the through hole (61) and abut against the groove wall of the groove (31), one end of the damping member (5) is fixedly arranged, the other end of the damping member abuts against the outer surface of the shaft sleeve (6), and the damping member (5) damps the shaft sleeve (6) when the shaft sleeve (6) rotates.

3. The clutch according to claim 2, characterized in that the sleeve (6) is provided with a damping groove (62) around its outer circumference, and the damping member (5) abuts against the groove wall of the damping groove (62).

4. Clutch according to claim 3, wherein the damping element (5) is a clamping spring, one end of which is fixedly arranged and the other end of which is clamped in the damping groove (62) by means of two clamping jaws.

5. Clutch according to claim 3, wherein the damping element (5) is an abutment stud, one end of which is fixedly arranged and the other end of which abuts against the inner wall of the damping groove (62).

6. Clutch according to claim 1, wherein the first transmission gear (2) and the first transmission shaft (1) are provided integrally.

7. Clutch according to claim 1, wherein the first transmission gear (2) has a key slot in the hole wall and the first transmission shaft (1) has a key that can be inserted into the key slot.

8. Clutch according to claim 1, wherein the rolling bodies (4) are steel balls.

9. The clutch of claim 8, wherein the steel ball is provided in plurality.

Technical Field

The invention relates to the technical field of circuit breakers, in particular to a clutch.

Background

In some transmission mechanisms of switch circuit breakers, a motor is required to transmit power to a switch main shaft through a reduction gear, a spring is compressed or stretched, switch energy storage is realized, and then the energy is released through the spring, so that the switch is switched on and off. In the whole transmission chain, a bidirectional clutch is needed, the clutch transmits power in the energy storage process, when the energy storage is finished, the spring energy release clutch idles without resistance, forward transmission and reverse idling are realized by using a ratchet-pawl structure in the prior art, but the ratchet-pawl clutch structure is complex, the space in a circuit breaker is occupied, the volume is large, and in the energy release process, if the rotation speed of the pawl is too high, the ratchet is easily touched by mistake, and the opening and closing of a switch are influenced.

Disclosure of Invention

The invention aims to provide a clutch which is simple in structure, convenient to process and small in occupied installation space in a circuit breaking device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a clutch, comprising:

the first transmission shaft is provided with a wedge-shaped hole;

the first transmission gear is fixedly sleeved on the first transmission shaft;

the second transmission gear is rotatably sleeved on the first transmission shaft, and a groove is formed in the hole wall of the shaft hole of the second transmission gear;

the rolling body can be completely positioned in the wedge-shaped hole, can also roll outwards from the wedge-shaped hole to be partially positioned in the wedge-shaped hole, is partially positioned in the groove and abuts against the groove wall of the groove;

the clutch is configured to: when first transmission gear atress rotated, drive first transmission shaft rotates, the rolling element by the wedge hole outwards rolls to the part and is located the wedge hole, the part is located the recess drives second transmission gear rotates, when second transmission gear atress rotated, the rolling element rolled extremely in the wedge hole, first transmission shaft can not be along with rotating.

Preferably, the damping device further comprises a damping piece and a shaft sleeve, the shaft sleeve is fixedly sleeved on the first transmission shaft, the second transmission gear is rotatably sleeved on the shaft sleeve, a through hole is formed in the shaft sleeve, the rolling body can penetrate through the through hole to abut against the groove wall of the groove, one end of the damping piece is fixedly arranged, the other end of the damping piece abuts against the outer surface of the shaft sleeve, and the damping piece damps the shaft sleeve when the shaft sleeve rotates.

Preferably, the outer peripheral surface of the sleeve is provided with a damping groove, and the damping piece abuts against the groove wall of the damping groove.

Preferably, the damping member is a clamp spring, one end of the clamp spring is fixedly arranged, and the other end of the clamp spring is clamped in the damping groove through two clamping jaws.

Preferably, the damping piece is a butt column, one end of the butt column is fixedly arranged, and the end face of the other end of the butt column is in butt joint with the inner wall of the damping groove.

Preferably, the first transmission gear and the first transmission shaft are integrally provided.

Preferably, a key groove is formed in the hole wall of the first transmission gear shaft hole, and a key is arranged on the first transmission shaft and can be inserted into the key groove.

Preferably, the rolling bodies are steel balls.

Preferably, a plurality of the steel balls are provided.

The invention has the beneficial effects that:

according to the clutch structure provided by the invention, the first transmission gear can transmit power to the second transmission gear through the rolling body, when the second transmission gear rotates actively, the rolling body rolls into the wedge-shaped hole, the second transmission gear idles on the first transmission gear, and the power can be transmitted to the second transmission gear through the first transmission gear to realize one-way transmission.

Drawings

FIG. 1 is an isometric view of the overall construction of a clutch of the present invention;

FIG. 2 is a cross-sectional view showing the overall construction of a clutch according to the present invention;

FIG. 3 is a partial cross-sectional view of a clutch of the present invention;

FIG. 4 is a block diagram of a sleeve in a clutch of the present invention.

In the figure:

1. a first drive shaft; 11. a wedge-shaped hole;

2. a first drive gear;

3. a second transmission gear; 31. a groove;

4. a rolling body;

5. a damping member;

6. a shaft sleeve; 61. a through hole; 62. a damping slot.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 4, the present invention provides a clutch, including a first transmission shaft 1, a first transmission gear 2, a second transmission gear 3 and a rolling element 4, wherein the first transmission shaft 1 is provided with a wedge-shaped hole 11; the first transmission gear 2 is fixedly sleeved on the first transmission shaft 1; the second transmission gear 3 is rotatably sleeved on the first transmission shaft 1, and a groove 31 is formed in the hole wall of the shaft hole of the second transmission gear 3; the rolling bodies 4 can be completely positioned in the wedge-shaped hole 11 and can also roll outwards from the wedge-shaped hole 11 to be partially positioned in the wedge-shaped hole 11 and partially positioned in the groove 31 and abutted against the groove wall of the groove 31; the clutch is configured to: when the first transmission gear 2 is stressed to rotate, the first transmission shaft 1 is driven to rotate, the rolling body 4 rolls outwards from the wedge-shaped hole 11 to a part located in the wedge-shaped hole 11, a part located in the groove 31 drives the second transmission gear 3 to rotate, when the second transmission gear 3 is stressed to rotate, the rolling body 4 rolls into the wedge-shaped hole 11 and does not contact with the second transmission gear, and the first transmission shaft 1 cannot rotate along with the rotation.

The clutch structure that this embodiment provided rolls to different positions through using the rolling element, when second drive gear 3 initiatively rotates, rolling element 4 rolls to in the wedge 11, second drive gear 3 idles on first transmission shaft 1, it can only realize that power realizes the one-way transmission to second drive gear 3 by first drive gear 2 transmission, compare and use the ratchet pawl structure to realize the one-way transmission in the circuit breaker device among the prior art, the clutch structure that this embodiment provided is that second drive gear 3 counter-rotation is smooth and easy when the circuit breaker device releases energy, can not receive the hindrance, and the clutch structure that this embodiment provided is simple, and the processing of being convenient for, and it is little to occupy installation space in the circuit breaker device.

Specifically, the clutch provided by this embodiment further includes a damping member 5 and a shaft sleeve 6, the shaft sleeve 6 is fixedly sleeved on the first transmission shaft 1, the second transmission gear 3 is rotatably sleeved on the shaft sleeve 6, a through hole 61 is formed in the shaft sleeve 6, the rolling element 4 can pass through the through hole 61 to abut against a groove wall of the groove 31, one end of the damping member 5 is fixedly disposed, and the other end abuts against an outer surface of the shaft sleeve 6, when the shaft sleeve 6 rotates, the damping member 5 damps the shaft sleeve 6, and by disposing the shaft sleeve 6 and the damping member 5, when the first transmission gear 2 actively rotates to drive the first transmission shaft 1 to rotate, the damping member 5 damps relative to the shaft sleeve 6, so as to prevent the shaft sleeve 6 from rotating together with the first transmission shaft 1 when the initial rotation of the first transmission shaft 1 is too fast, and cause the rolling element 4 not to roll out from the wedge-shaped hole 11 and slip on an inner wall of the shaft hole of the second transmission gear 3, a second transmission gear 3, which is not capable of transmitting power to the first transmission shaft 1.

Furthermore, the damping groove 62 is formed in the outer peripheral surface of the annular shaft sleeve 6, the damping piece 5 abuts against the groove wall of the damping groove 62, and the damping groove 62 can limit the abutting position of the damping piece 5, so that the friction force of the damping piece 5 in the action process is kept uniform, and the influence on the rotating speed of the first transmission shaft 1 due to the change of the friction force is prevented.

Furthermore, the damping member 5 is a clamp spring, one end of the clamp spring is fixedly disposed, and the other end is clamped in the damping groove 62 through two clamping jaws, in this embodiment, one end of the clamp spring is fixedly sleeved on a fixing pin disposed inside the circuit breaking device, in other embodiments, the clamp spring may also be fixedly disposed through bonding or welding connection, the clamp spring is applied, the two clamping jaws simultaneously abut against the damping groove 62 to generate damping, and the damping effect is good.

Specifically, as a preferred solution of this embodiment, the damping member 5 may also be configured as a butting column, one end of the butting column is fixedly disposed, and the other end face of the butting column butts against the inner wall of the damping slot 62, which is simple in structure and easy to install, and the damping column may be a wooden column or a rubber column.

Specifically, in this embodiment, first transmission gear 2 and first transmission shaft 1 set up as an organic whole, and sound construction, first transmission shaft 1 and the axiality of first transmission tooth are high, and have saved the process of installing first transmission gear 2.

Specifically, as a preferred scheme of this embodiment, the pore wall in first drive gear 2 shaft hole is provided with the keyway, is provided with the key on the first transmission shaft 1, and the key can insert and locate the keyway, and the key-type connection is tight firm, and easily change first drive gear 2.

Specifically, in this embodiment, the rolling bodies 4 are steel balls, and further, there are a plurality of steel balls, so that the transmission process is more reliable, in this embodiment, there are three steel balls, and in other embodiments, the number of steel balls may also be specifically set according to the difference in the diameter of the first transmission shaft 1 or the magnitude of the transmission torque, which is not limited too much.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.