CN216478611U

CN216478611U - Bidirectional adjustable locking hand-operated mechanism

Info

Publication number: CN216478611U
Application number: CN202120275890.2U
Authority: CN
Inventors: 陈勇; 赵伟; 刘宾; 徐义智; 陈薛萍; 史继勋
Original assignee: Shuifa Electromechanical Group Co ltd
Current assignee: Shuifa Electromechanical Group Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2022-05-10
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to the technical field of hand-operated devices, in particular to a bidirectional adjustable locking hand-operated mechanism which comprises a ratchet mechanism, wherein the ratchet mechanism is provided with an indicating knob, a pawl shaft, an upper cover, a spring chamber, a spring and a limiting characteristic, the spring chamber is provided with the upper cover, the pawl shaft is inserted in the middle of the upper cover, the upper end of the pawl shaft is provided with a connecting device, the pawl shaft is fixedly connected with the indicating knob through an upper end connecting device, the lower end of the pawl shaft is provided with the limiting characteristic, the pawl shaft passes through the lower end limiting characteristic, the upper end of the limiting characteristic is provided with the spring, the spring is in shaft connection with the pawl shaft, a slope-shaped structure is arranged on the shaft end surface of the lower end of the pawl shaft, the pawl shaft is meshed with a ratchet wheel, the whole mechanism is convenient to use and simple in process, simultaneously reduces the material cost, has practical functions, is safe and reliable in the overall structure, is convenient and practical, and easy to manufacture, the cost is low.

Description

Bidirectional adjustable locking hand-operated mechanism

Technical Field

The utility model relates to the technical field of hand-operated devices, in particular to a bidirectional adjustable locking hand-operated mechanism.

Background

The hand-operated mechanism is widely applied in life, the problems are met along with the diversification of the hand-operated mechanism, most of the hand-operated mechanisms in the market cannot meet the requirement of bidirectional locking, and the work in some mechanical fields is greatly influenced.

Disclosure of Invention

The utility model provides a bidirectional adjustable locking hand-operated mechanism.

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

a bidirectional adjustable locking hand-operated mechanism comprises a ratchet mechanism, an indicating knob, a pawl shaft, an upper cover, a spring chamber, a spring, a limiting feature, a seat cover, a gasket, a ratchet, a key I, a handle, a pinion shaft, a pinion bearing I, a shaft sleeve, a handle fixing component, a screw, a large bearing seat II, an output shaft, a bearing II, a large spacer bush, a seat body, a large bearing seat I, a bull gear and a small bearing seat II, wherein the spring chamber is provided with the upper cover, the middle of the upper cover is inserted with the pawl shaft, the upper end of the pawl shaft is provided with a connecting device, the pawl shaft is fixedly connected with the indicating knob through an upper end connecting device, the lower end of the pawl shaft is provided with the limiting feature, the pawl shaft passes through the lower end limiting feature, the upper end of the limiting feature is provided with the spring, the spring is in shaft connection with the pawl shaft, the shaft end face of the pawl shaft is provided with a slope-shaped structure, the pawl shaft is meshed with the ratchet wheel.

A base body is fixedly inserted at the lower end of the ratchet mechanism, a small bearing seat II is fixedly inserted at the upper end of the left side of the base body, a gasket is arranged at the right side of the gasket, a base body cover is arranged at the right side of the upper end of the base body cover, a bearing is arranged in the small bearing seat I, the small diameter of the bearing is inserted with the right end of a small gear shaft, the left end of the small gear shaft is inserted with the small diameter of another bearing, the other bearing is fixedly arranged in the small bearing seat II, a ratchet wheel is fixedly arranged in the middle of the small gear shaft through a key I, the ratchet wheel is meshed with the ratchet mechanism, a shaft sleeve is arranged between the ratchet wheel and the bearing I, the shaft sleeve is connected to the small gear shaft in a shaft mode, the small gear shaft is meshed with a large gear through the left side, an output shaft is inserted in the middle of the large gear, and the right end of the output shaft is fixedly inserted with the small diameter of the bearing II, the bearing II is fixedly arranged in the small bearing seat II, the large bearing seat II is fixedly arranged on the right side of the lower end of the seat body cover and is coaxial with the output shaft, the lower end of the left side of the seat body is provided with a pressing sleeve II, the pressing sleeve II and the small bearing seat II are on the same vertical line, the other bearing II is arranged in the small bearing seat II, the bearing II is inserted on the output shaft, a large spacer sleeve is arranged between the large gear and the bearing II, and the large spacer sleeve is connected to the output shaft in a shaft coupling mode.

The right end face of the pinion shaft is provided with a threaded hole, the right end of the pinion shaft is fixedly provided with a handle, and the right end face of the pinion shaft is provided with a coaxial handle fixing assembly through screws.

Has the advantages that: the indicating knob is rotated left and right to adjust the direction of the pawl shaft, and then the direction is controlled to be positioned.

Drawings

FIG. 1 is a schematic view of a front view semi-section of the present invention;

FIG. 2 is a schematic view of the indicating knob of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the ratchet mechanism engaging with the ratchet wheel according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 according to the present invention;

FIG. 5 is a schematic diagram of the right-hand side view of FIG. 1 according to the present invention;

in the figure: 1. a ratchet mechanism; 101. an indication knob; 102. a pawl shaft; 103. an upper cover; 104. A spring chamber; 105. a spring; 106. a limiting feature; 2. a seat cover; 3. a gasket; 4. a ratchet wheel; 5. a first key; 6. a handle; 7. a pinion shaft; 701. a first small bearing seat; 702. a first bearing; 703. a shaft sleeve; 704. a handle securing assembly; 705. a screw; 8. a large bearing seat II; 9. an output shaft; 10. a second bearing; 11. a large spacer bush; 12. a base body; 13. a first large bearing; 14. a bull gear; 15. and a second small bearing seat.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-5, a bidirectional adjustable locking hand-operated mechanism, the ratchet mechanism 1 includes a ratchet mechanism 1, an indicating knob 101, a pawl shaft 102, an upper cover 103, a spring chamber 104, a spring 105, a limit feature 106, a base cover 2, a washer 3, a ratchet 4, a key one 5, a handle 6, a pinion shaft 7, a small bearing seat one 701, a bearing one 702, a shaft sleeve 703, a handle fixing component 704, a screw 705, a large bearing seat two 8, an output shaft 9, a bearing two 10, a large spacer 11, a base 12, a large bearing seat one 13, a large gear 14, and a small bearing seat two 15, the spring chamber 104 is provided with the upper cover 103, the middle of the pawl shaft 103 is inserted with the pawl shaft 102, the upper end of the pawl shaft 102 is provided with a connecting device, the pawl shaft 102 is fixedly connected with the indicating knob 101 through the upper end connecting device, the lower end of the pawl shaft 102 is provided with the limit feature 106, the pawl shaft 102 passes through the lower end limit feature 106, the upper end of the limiting feature 106 is provided with a spring 105, the spring 105 is coupled with the pawl shaft 102, a slope-shaped structure is arranged on the end surface of the lower end of the pawl shaft 102, and the pawl shaft 102 is engaged with the ratchet.

A base body 12 is fixedly inserted at the lower end of the ratchet mechanism 1, a small bearing seat II 15 is fixedly inserted at the upper end of the left side of the base body 12, a gasket 3 is arranged at the right side of the base body 12, a base body cover 2 is arranged at the right side of the gasket 3, a packing pressing cover is arranged at the right side of the upper end of the base body cover 2, a bearing I702 is arranged inside the small bearing seat I701, the small diameter of the bearing I702 is inserted at the right end of the pinion shaft 7, the left end of the pinion shaft 7 is inserted with the small diameter of the other bearing I702, the other bearing I702 is fixedly arranged inside the small bearing seat II 15, a ratchet wheel 4 is fixedly arranged in the middle of the pinion shaft 7 through a key I5, the ratchet wheel 4 is meshed with the ratchet mechanism 1, a shaft sleeve is arranged between the ratchet wheel 4 and the bearing I702, the shaft sleeve 703 is connected to the pinion shaft 7, and the pinion shaft 7 is meshed with a bull gear 14 through the left side gear feature, an output shaft 9 is inserted in the middle of the large gear 14, the right end of the output shaft 9 is fixedly inserted in the small diameter of the bearing II 10, the bearing II 10 is fixedly installed inside the small bearing seat II 15, the large bearing seat II 8 is fixedly installed on the right side of the lower end of the seat body cover 2 and is coaxial with the output shaft 9, a pressing sleeve II is arranged at the lower end of the left side of the seat body 12, the pressing sleeve II and the small bearing seat II 15 are on the same vertical line, another bearing II 10 is arranged inside the small bearing seat II 15, the bearing II 10 is inserted in the output shaft 9, a large spacer 11 is arranged between the large gear 14 and the bearing II 10, and the large spacer 11 is connected to the output shaft 9 in a shaft coupling mode.

The right end face of the pinion shaft 7 is provided with a threaded hole, the right end of the pinion shaft 7 is fixedly provided with a handle 6, and the right end face of the pinion shaft 7 is provided with a coaxial handle fixing component 704 through a screw 705.

The working principle is as follows: during the use, wave handle 6, it is rotatory to drive gear shaft 7, gear shaft 7 drives the motion of gear shaft two 9 through gear engagement, because all be equipped with the bearing on two gear shafts, frictional force greatly reduced like this, better acting force, be equipped with ratchet 4 on the gear shaft 7, pawl axle 102 on the ratchet 1 can be through directional button 101 horizontal rotation, when clockwise hand, with directional button 101 arrow direction left, when anticlockwise hand, with directional button 101 arrow hand to the right, because ratchet 1 is inside to be equipped with spring 105, so when the suitable position is turned round to manually, spring 105 can carry out spacing locking with the lower extreme and the ratchet 4 meshing of pawl axle 102 automatically.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a two-way adjustable locking hand-operated mechanism, its characterized in that, includes ratchet (1), ratchet (1) has indication knob (101), pawl axle (102), upper cover (103), spring chamber (104), spring (105), spacing characteristic (106), be equipped with upper cover (103) on spring chamber (104), peg graft in the middle of upper cover (103) and have pawl axle (102), pawl axle (102) upper end is equipped with connecting device, pawl axle (102) are through upper end connecting device and indication knob (101) fixed connection, pawl axle (102) lower extreme is equipped with spacing characteristic (106), pawl axle (102) are installed on spring chamber (104) through lower extreme spacing characteristic (106), spacing characteristic (106) upper end is equipped with spring (105), spring (105) and pawl axle (102) coupling, be equipped with ramp-like structure on the shaft end face of pawl axle (102) lower extreme, the pawl shaft (102) is meshed with the ratchet wheel (4).

2. The bidirectional adjustable locking hand-operated mechanism is characterized by further comprising a ratchet mechanism (1), a seat cover (2), a gasket (3), a ratchet (4), a key I (5), a handle (6), a pinion shaft (7), a small bearing seat I (701), a bearing I (702), a shaft sleeve (703), a handle fixing component (704), a screw (705), a large bearing seat II (8), an output shaft (9), a bearing II (10), a large spacer bush (11), a seat body (12), a large bearing I (13), a bull gear (14) and a small bearing seat II (15), wherein the lower end of the ratchet mechanism (1) is fixedly inserted with the seat body (12), the upper end of the left side of the seat body (12) is fixedly inserted with the small bearing seat II (15), the right side of the seat body (12) is provided with the gasket (3), the right side of the gasket (3) is provided with the seat cover (2), the right side of the upper end of the base body cover (2) is provided with a packing compression cover, a first bearing (702) is arranged inside a first small bearing seat (701), the small diameter of the first bearing (702) is inserted into the right end of a pinion shaft (7), the left end of the pinion shaft (7) is inserted into the small diameter of a first bearing (702), the first bearing (702) is fixedly arranged inside a second small bearing seat (15), a ratchet wheel (4) is fixedly arranged in the middle of the pinion shaft (7) through a first key (5), the ratchet wheel (4) is meshed with a ratchet wheel mechanism (1), a shaft sleeve (703) is arranged between the ratchet wheel (4) and the first bearing (702), the shaft sleeve (703) is connected onto the pinion shaft (7), the pinion shaft (7) is meshed with a large gear (14) through the left side provided with gear features, an output shaft (9) is inserted into the middle of the large gear (14), the right end of the output shaft (9) is fixedly inserted into the small diameter of the second bearing (10), the bearing II (10) is fixedly installed inside the small bearing seat II (15), the large bearing seat II (8) is fixedly installed on the right side of the lower end of the seat body cover (2) and on the same axis with the output shaft (9), the large bearing I (13) is arranged at the lower end of the left side of the seat body (12), the large bearing I (13) and the small bearing seat II (15) are on the same vertical line, the small bearing seat II (15) is internally provided with another bearing II (10), the bearing II (10) is inserted into the output shaft (9), a large spacer bush (11) is arranged between the large gear (14) and the bearing II (10), and the large spacer bush (11) is axially connected onto the output shaft (9).

3. The bidirectional adjustable locking hand-operated mechanism is characterized by further comprising a handle (6), a handle fixing component (704) and a screw (705), wherein a threaded hole is formed in the right end face of the pinion shaft (7), the handle (6) is fixedly arranged at the right end of the pinion shaft (7), and the handle fixing component (704) of the coaxial line is arranged on the right end face of the pinion shaft (7) through the screw (705).