Lock body clutch

Abstract

The lock body clutch comprises a clutch shell and a motor, a rotating shaft of the motor is arranged in the clutch shell, a transmission gear assembly, a clutch gear, a clutch rod, an output gear and a clutch lever are arranged in the clutch shell, and the rotating shaft of the motor is connected with the clutch gear in a meshed mode through the transmission gear assembly. The clutch gear is connected with the output gear in a meshed mode, and a pushing part is arranged on the side, making contact with the clutch lever, of the clutch rod. By utilizing the height difference of the pushing part of the clutch lever, the clutch lever is pushed and pressed down by the pushing part at one end of the clutch lever, so that the clutch gear is pushed to a certain height and then is staggered with the plane of the output gear to achieve a separation effect; and the clutch rod and the clutch gear are reset under the action of elastic force of respective reset springs, so that the clutch rod is reset, and the clutch gear is meshed with the output gear. The overall structure is simple, operation is convenient, and materials and labor cost are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lockset, especially a lock body clutch. BACKGROUND

[0002] At present, various kinds of full-automatic intelligent locks and electronic lock bodies are emerging in endlessly on the market, each having characteristics, and all of them need a performance safe and reliable, stable clutch structure. A user inputs an unlocking instruction through an IC card, a password, a fingerprint, a remote APP and the like, and can perform automatic unlocking or locking operation on the lockset, and the mechanical structure unlocking and the spare key unlocking in the whole lock are also a necessary safety awareness of the lockset product, in order to ensure that the mechanical structure and the spare key can be smoothly unlocked, the clutch plays a key role in separating the internal mechanical structure and the variable speed structure (motor), at this time, a clutch which is convenient to install, simple in structure, less in failure, long in service life and low in cost is the direction of the existing technology to be created, researched and developed, the separation or meshing switching between the clutch gear and the output gear in the existing lock body clutch needs to be completed by cooperation of multiple accessories, which leads to increase of the cost of clutch manufacturing and waste of labor and time cost in the installation process. SUMMARY

[0003] The utility model mainly solves the problem of complex structure and high manufacturing cost of the existing clutch.

[0004] The utility model discloses a lock body clutch, the rotation axis of the motor is arranged in the inside of the clutch shell, the inside of the clutch shell is equipped with transmission gear assembly, clutch gear, clutch rod, output gear and clutch lever, the rotation axis of the motor is connected with the clutch gear through transmission gear assembly, the clutch gear is connected with the output gear, the one end of the clutch lever drives the clutch lever, and the other end extends to the bottom of the clutch gear, and the side, where the clutch lever contacts the clutch rod, is equipped with the driving part.

[0005] The utility model has the advantages of the following: the switching between the clutch gear and the output gear in the clutch is achieved by pushing the clutch rod, using the height difference of the pushing part of the clutch rod, making the clutch lever be pushed down by the pushing part at one end of the clutch rod, the clutch lever is lifted at one end of the clutch gear, so that the clutch gear is pushed to a certain height and is staggered with the output gear to achieve the separation effect, when the pushing force of the clutch rod is removed, the clutch rod is reset by the elastic force of the return spring, when the lever force of the clutch lever disappears, the clutch gear is pressed down by the elastic force of the compression spring, so that the clutch gear is reset and is meshed with the output gear, the structure is simple, the operation is convenient, and the material and labor cost are saved. BRIEF DESCRIPTION OF DRAWINGS

[0006] Fig. 1 is a front view of the utility model;

[0007] Fig. 2 is a schematic diagram of the internal structure of the hidden clutch cover clutch of the utility model;

[0008] Fig. 3 is a schematic diagram of the internal structure of the hidden clutch shell clutch of the utility model;

[0009] Fig. 4 is a schematic diagram of the structure between the clutch lever and the clutch rod and the clutch gear of the utility model.

[0010] Reference signs: clutch shell 10, motor 20, rotating shaft 21, transmission gear assembly 30, clutch gear 40, clutch rod 50, output gear 60, clutch lever 70, pushing part 51, return spring 11, compression spring 12, low surface part 501, high surface part 502, inclined edge 503, lever shaft 71, gear shifting assembly 31, transmission gear 32, clutch shell 110, clutch cover 120. DETAILED DESCRIPTION

[0011] As Figs. 1 to 4 described, a lock body clutch, a clutch shell 10 and a motor 20, the rotating shaft 21 of the motor 20 is arranged in the interior of the clutch shell 10, the interior of the clutch shell 10 is provided with a transmission gear assembly 30, a clutch gear 40, a clutch rod 50, an output gear 60 and a clutch lever 70, the rotating shaft 21 of the motor 20 is connected in mesh with the clutch gear 40 through the transmission gear assembly 30, the clutch gear 40 is connected in mesh with the output gear 60, the clutch lever 70 extends to the side end of the clutch rod 50 at one end and extends to the side end of the clutch gear 40 at the other end, the side of the clutch rod 50 in contact with the clutch lever 70 is provided with a pushing part 51, the return spring 11 is arranged between the clutch rod 50 and the clutch shell 10, and the compression spring 12 is arranged between the clutch gear 40 and the clutch shell 10.

[0012] In the specific implementation, the clutch rod 50 is pushed to move towards the clutch shell 10, the pushing part 51 of the clutch rod 50 is used to cause the clutch lever 70 to be pressed at one end of the clutch rod 50 by the pushing part 51, the clutch lever 70 is lifted at one end of the clutch gear 40, so that the clutch gear 40 is pushed to a certain height and is out of plane with the output gear 60 to achieve the separation effect, when the pushing of the clutch rod 50 is stopped, the clutch rod 50 is reset by using the elastic force of the return spring 11, when the lever force of the clutch lever 70 disappears, the clutch gear 40 is pressed down by using the elastic force of the compression spring 12, so that the clutch gear 40 is reset and is in mesh with the output gear 60.

[0013] The driving part 51 of the clutch lever 50 comprises a low surface part 501 and a high surface part 502, and an inclined edge 503 is arranged between the low surface part 501 and the high surface part 502. One end of the clutch lever 70 is arranged in the low surface part 501 of the clutch lever 50. When the clutch lever 50 moves towards the clutch housing 10, the one end of the clutch lever 70 moves along the inclined edge 503 from the low surface part 501 to the high surface part 502, so that the other end of the clutch lever 70 can push the clutch gear 40 to separate from the output gear 60. A lever shaft 71 is arranged in the clutch lever 70, and the lever shaft 71 is arranged in the clutch housing 10. When the two ends of the clutch lever 70 swing up and down, the lever shaft 71 is used as the axis of swinging.

[0014] The transmission gear assembly 30 comprises a gear shift assembly 31 and a transmission gear 32. The rotating shaft 21 of the motor 20 is engaged with the gear shift assembly 31, the gear shift assembly 31 is engaged with the transmission gear 32, and the transmission gear 32 is engaged with the clutch gear 40.

[0015] The clutch housing 10 comprises a clutch housing 110 and a clutch cover 120. One end of the return spring 11 is in abutment with the clutch housing 110, and the other end is in abutment with the clutch lever 50. The clutch housing 110 is further provided with a mounting groove for mounting the lever shaft 71 of the clutch lever 70. The clutch housing 110 and the clutch cover 120 are fixedly mounted, and the lever shaft 71 is mounted in the mounting groove.

[0016] The clutch gear 40 and the clutch cover 120 are provided with a compression spring 12. The compression spring 12 pushes the clutch gear 40 to move towards the clutch housing 110 by its elastic force, so as to be engaged and connected with the output gear 60.

Claims

1. A lock body clutch, characterized by: The clutch housing (10) and the motor (20), the rotating shaft (21) of the motor (20) is arranged in the inside of the clutch housing (10), the inside of the clutch housing (10) is provided with a transmission gear assembly (30), a clutch gear (40), a clutch rod (50), an output gear (60) and a clutch lever (70), the rotating shaft (21) of the motor (20) is connected with the clutch gear (40) through the transmission gear assembly (30), the clutch gear (40) is connected with the output gear (60), one end of the clutch lever (70) extends to the side end of the clutch rod (50) and the other end extends to the side end of the clutch gear (40), the side of the clutch rod (50) contacting with the clutch lever (70) is provided with a pushing part (51), the clutch rod (50) and the clutch housing (10) are provided with a return spring (11), the pushing part (51) of the clutch rod (50) comprises a low surface part (501) and a high surface part (502), an inclined edge (503) is arranged between the low surface part (501) and the high surface part (502), one end of the clutch lever (70) is arranged in the low surface part (501) of the clutch rod (50), when the clutch rod (50) moves to the clutch housing (10), one end of the clutch lever (70) moves from the low surface part (501) to the high surface part (502) along the inclined edge (503).

2. The lock body clutch of claim 1, wherein: The clutch gear (40) and the clutch housing (10) are provided with a compression spring (12).

3. The lock body clutch of claim 2, wherein: The clutch lever (70) is provided with a lever shaft (71), the lever shaft (71) is arranged in the clutch housing (10), when the clutch lever (70) swings up and down, the lever shaft (71) is taken as the axis.

4. The lock body clutch of claim 3, wherein: The transmission gear assembly (30) comprises a gear shifting assembly (31) and a transmission gear (32), the rotating shaft (21) of the motor (20) is engaged with the gear shifting assembly (31), the gear shifting assembly (31) is engaged with the transmission gear (32), and the transmission gear (32) is engaged with the clutch gear (40).

5. The lock body clutch of claim 4, wherein: The clutch housing (10) comprises a clutch shell (110) and a clutch cover (120), one end of the return spring (11) abuts against the clutch shell (110) and the other end abuts against the clutch rod (50), the clutch shell (110) is further provided with a mounting groove for mounting the lever shaft (71) of the clutch lever (70), the clutch shell (110) and the clutch cover (120) are fixedly mounted, and the lever shaft (71) is mounted in the mounting groove.

6. The lock body clutch of claim 5, wherein: The clutch gear (40) and the clutch cover (120) are provided with a compression spring (12).

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