CN219160033U

CN219160033U - One-key unlocking and locking transmission mechanism

Info

Publication number: CN219160033U
Application number: CN202220338361.7U
Authority: CN
Inventors: 梁志豪; 王亚军
Original assignee: Dongguan Yangcong Network Technology Co ltd
Current assignee: Dongguan Yangcong Network Technology Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2023-06-09
Anticipated expiration: 2032-02-15

Abstract

The utility model relates to the technical field of mechanical parts, in particular to a one-key unlocking and locking transmission mechanism which comprises an operation assembly, a transmission assembly and a lever locking assembly, wherein the transmission assembly comprises a transmission rod and a transmission cam arranged on the periphery of the transmission rod, and the operation assembly is used for driving the transmission rod to rotate; the operation assembly comprises an operation base, a rotating shaft body rotationally arranged on the operation base, a first bevel gear sleeved on the periphery of the rotating shaft body and a handle connected with the rotating shaft body; one end of the transmission rod is provided with a second bevel gear which is in meshed transmission connection with the first bevel gear, and the transmission cam is used for driving the lever locking assembly to be capable of locking and releasing the position through lever movement. The utility model has novel structure and simple operation, and can realize position locking and position release by pulling the handle by a user, thereby being flexible and convenient to use.

Description

One-key unlocking and locking transmission mechanism

Technical Field

The utility model relates to the technical field of mechanical parts, in particular to a one-key unlocking and locking transmission mechanism.

Background

Unipod and tripod are common photographic equipment, and the tripod generally comprises three telescopic supporting legs; unipod generally includes a telescopic rod and a platform for mounting photographic equipment; in the current photography, unipod and tripod are all very common photographic equipment; however, the multi-stage design of the telescopic leg of the common unipod and the telescopic leg of the tripod is mostly screw locking, and needs multi-stage operation, which is inconvenient to use, so a one-key unlocking and locking transmission mechanism capable of simply realizing position locking and position releasing is needed.

Disclosure of Invention

The utility model provides a one-key unlocking and locking transmission mechanism aiming at the problems in the prior art, which has the advantages of novel structure, ingenious design and simple operation, and can realize position locking and position release by pulling a handle by a user, so that the one-key unlocking and locking transmission mechanism is flexible and convenient to use.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a one-key unlocking and locking transmission mechanism which comprises an operation assembly, a transmission assembly and a lever locking assembly, wherein the transmission assembly comprises a transmission rod and a transmission cam arranged on the periphery of the transmission rod, and the operation assembly is used for driving the transmission rod to rotate; the operation assembly comprises an operation base, a rotating shaft body rotationally arranged on the operation base, a first bevel gear sleeved on the periphery of the rotating shaft body and a handle connected with the rotating shaft body; one end of the transmission rod is provided with a second bevel gear which is in meshed transmission connection with the first bevel gear, and the transmission cam is used for driving the lever locking assembly to be capable of locking and releasing the position through lever movement.

The rotary shaft body is provided with a fixed block, the rotary shaft body is also sleeved with a torsion spring, and two ends of the torsion spring are respectively connected with the fixed block and the operation base.

Wherein, the protruding part of the transmission cam is provided with a horizontal section.

The lever locking assembly comprises a locking base, an action part movably arranged on the locking base and a lever part rotatably arranged on the locking base, one end of the lever part is used for being matched and abutted with the action part, and the other end of the lever part is provided with a locking part.

The locking base is provided with a rotating cavity for the lever component to rotate, a return spring is arranged between the locking base and the lever component, and the return spring is positioned in the rotating cavity;

the transmission cam drives the action part to push one end of the lever part so as to drive the locking part to carry out position locking and position releasing.

The locking base is provided with a containing cavity for containing the movable steel balls, openings are formed in two sides of the containing cavity, the diameter of each opening is smaller than that of each movable steel ball, and the transmission assembly drives the steel balls to protrude out of the openings and then push one end of the lever component.

One end of the lever component is provided with an anti-abrasion pad body.

Wherein, be provided with friction pad on the locking portion.

The two sides of the locking base are provided with sliding holes, and the other leg section adjacent to the locking base is arranged in the sliding holes in a sliding mode.

The locking base is provided with a pin shaft, the middle part of the lever component is provided with a shaft hole, and the pin shaft movably penetrates through the shaft hole.

The utility model has the beneficial effects that:

the utility model has novel structure and ingenious design, when in use, the operation assembly is used for acting, the user operates the handle to drive the rotation shaft body to rotate, the transmission rod is driven to rotate under the cooperation of the first bevel gear and the second bevel gear, the transmission rod drives the transmission cam to rotate, when the protruding part of the transmission cam acts on the lever locking assembly to drive the lever locking assembly to carry out lever activity, the external calandria is clamped through lever activity, the position locking of the external calandria is realized, and when the protruding part of the transmission cam does not act on the lever locking assembly, the position release is realized; the utility model has simple operation, the user can realize the position locking and the position releasing by pulling the handle, and the use is flexible and convenient.

Drawings

Fig. 1 is a schematic structural view of a one-touch unlocking transmission mechanism of the present utility model.

Fig. 2 is an exploded view of a portion of the structure of the present utility model.

Fig. 3 is a partially exploded view of the present utility model.

Fig. 4 is a schematic structural view of an operation assembly of the present utility model.

Fig. 5 is a schematic view of the structure of the driving cam of the present utility model.

The reference numerals in fig. 1 to 5 include:

1. a lever locking assembly; 4. a transmission rod; 5. a drive cam; 6. an operation base; 7. a rotating shaft body; 8. a first bevel gear; 9. a handle; 10. a second bevel gear; 11. a fixed block; 12. a torsion spring; 13. a horizontal section; 14. locking the base; 15. a lever member; 16. a locking part; 17. rotating the cavity; 18. a return spring; 19. a movable steel ball; 20. a cavity; 21. an abrasion-proof pad body; 22. a friction pad; 23. a slide hole; 24. a pin shaft; 25. a shaft hole; 26. a drive cavity; 100. an outer gauntlet.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model. The present utility model will be described in detail below with reference to the accompanying drawings.

The one-key unlocking and locking transmission mechanism comprises an operation assembly, a transmission assembly and a lever locking assembly 1, wherein the transmission assembly comprises a transmission rod 4 and a transmission cam 5 arranged on the periphery of the transmission rod 4, and the operation assembly is used for driving the transmission rod 4 to rotate; the operation assembly comprises an operation base 6, a rotation shaft body 7 rotatably arranged on the operation base 6, a first bevel gear 8 sleeved on the periphery of the rotation shaft body 7 and a handle 9 connected with the rotation shaft body 7;

one end of the transmission rod 4 is provided with a second bevel gear 10 which is in meshed transmission connection with the first bevel gear 8, and the transmission cam 5 is used for driving the lever locking assembly 1 to perform position locking and position releasing through lever movement.

Specifically, the utility model has novel structure and ingenious design, when in use, the operation assembly is used for action, the handle 9 is operated by a user to drive the rotation shaft body 7 to rotate, the transmission rod 4 is driven to rotate under the cooperation of the first bevel gear 8 and the second bevel gear 10, the transmission rod 4 drives the transmission cam 5 to rotate, when the protruding part of the transmission cam 5 acts on the lever locking assembly 1 to drive the lever locking assembly 1 to carry out lever activity, the external calandria 100 is clamped through lever activity, the position locking of the external calandria 100 is realized, and when the protruding part of the transmission cam 5 does not act on the lever locking assembly 1, the position release is realized; the utility model has simple operation, the user can realize the position locking and the position releasing by pulling the handle 9, and the use is flexible and convenient.

In this embodiment, the lever locking assembly 1 includes a locking base 14, an actuating member movably disposed on the locking base 14, and a lever member 15 rotatably disposed on the locking base 14, one end of the lever member 15 is used for being abutted against the actuating member, and the other end of the lever member 15 is provided with a locking portion 16. The locking base 14 is provided with a rotating cavity 17 for the lever component 15 to rotate, a return spring 18 is arranged between the locking base 14 and the lever component 15, and the return spring 18 is positioned in the rotating cavity 17;

the transmission cam 5 drives the action member to push one end of the lever member 15 to drive the locking portion 16 for position locking and position releasing.

Preferably, the actuating component includes a movable steel ball 19, the locking base 14 is provided with a cavity 20 for accommodating the movable steel ball 19, openings are formed on two sides of the cavity 20, the diameter of the opening is smaller than that of the movable steel ball 19, and the transmission component drives the steel ball to protrude out of the opening and then pushes one end of the lever component 15.

Specifically, when the operation assembly drives the lever locking assembly 1 to work through the transmission rod 4 and the transmission cam 5, the protruding part of the transmission cam 5 acts on the action part, namely the movable steel ball 19, the movable steel ball 19 extends out of the opening to act on one end of the lever part 15, the lever part 15 rotates, and the locking part 16 is driven to lock the position of the external calandria 100; when the transmission assembly does not drive the lever locking assembly 1 any more, the lever component 15 is reset under the action of the reset spring 18, and the movable steel ball 19 is pushed to retract into the accommodating cavity 20 and extend out of the other opening, so that the next operation of the transmission cam 5 is facilitated to drive the action component.

In this embodiment, the rotating shaft body 7 is provided with a fixed block 11, the rotating shaft body 7 is further sleeved with a torsion spring 12, and two ends of the torsion spring 12 are respectively connected with the fixed block 11 and the operation base 6. Wherein, fixed block 11 is installed on the axis of rotation body 7, still overlap on the axis of rotation body 7 and be equipped with torsional spring 12, torsional spring 12's both ends respectively with fixed block 11 with operation base 6 is connected, when driving cam 5 acts on action part and locks the back to external calandria 100, under the elastic action of torsional spring 12, drives axis of rotation body 7 slight reset, avoids handle 9 rotation swing.

In this embodiment, the protruding part of the driving cam 5 is provided with a horizontal segment 13. Specifically, when the protruding portion of the driving cam 5 acts on the actuating member (i.e., the movable steel ball 19), the movable steel ball 19 protrudes from an opening of the container 20 to act on one end of the lever member 15, so as to drive the lever member 15 to rotate, and the locking portion 16 is used to lock the external calandria 100, at this stage, under the action of the horizontal segment 13, the movable steel ball 19 is kept to tightly press against the lever member 15, and the lever member 15 locks the leg segment, so as to lock the driving rod 4, thereby avoiding the rotation of the driving rod 4 and avoiding the influence on the use effect due to the rotation of the handle 9.

The locking base 14 is provided with a driving cavity 26 in a penetrating manner, the transmission cam 5 is rotatably arranged in the driving cavity 26, and the transmission rod 4 is provided with the driving cavity 26 and the transmission cam 5 in a penetrating manner.

In this embodiment, an end of the lever member 15 is provided with an anti-wear pad 21. Specifically, the wear-resistant pad 21 may be a wear-resistant pad 21 made of soft wear-resistant materials such as rubber, plastic, and silica gel, and is configured to be abutted against the movable steel ball 19 in a matching manner, so as to reduce friction, avoid damage to the lever component 15, and improve structural reliability. Preferably, the lever member 15 is made of metal; of course, the lever member 15 may be made of hard plastic, but the lever member 15 made of metal is more durable, high in strength and long in service life.

In this embodiment, the locking portion 16 is provided with a friction pad 22. Specifically, the friction pad 22 may be a rubber pad, a plastic pad, a wear-resistant cloth pad, or the like, which is not particularly limited herein; the purpose is to realize stopping of the leg sections and simultaneously avoid abrasion of the leg sections.

In this embodiment, sliding holes 23 are provided on both sides of the locking base 14. Specifically, the sliding hole 23 is convenient for the sliding penetration of the external calandria 100, and the sliding hole 23 is communicated with the rotating cavity 17, so that the lever locking assembly 1 can clamp and fix the calandria after adjusting the position of the calandria.

In this embodiment, the locking base 14 is provided with a pin 24, a shaft hole 25 is provided in the middle of the lever member 15, and the pin 24 movably penetrates through the shaft hole 25. In particular, this arrangement facilitates the rotation of the lever member 15.

The present utility model is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present utility model.

Claims

1. A locking drive mechanism is opened to key, its characterized in that: the lever locking mechanism comprises an operation assembly, a transmission assembly and a lever locking assembly, wherein the transmission assembly comprises a transmission rod and a transmission cam arranged on the periphery of the transmission rod, and the operation assembly is used for driving the transmission rod to rotate; the operation assembly comprises an operation base, a rotating shaft body rotationally arranged on the operation base, a first bevel gear sleeved on the periphery of the rotating shaft body and a handle connected with the rotating shaft body;

one end of the transmission rod is provided with a second bevel gear which is in meshed transmission connection with the first bevel gear, and the transmission cam is used for driving the lever locking assembly to be capable of locking and releasing the position through lever movement.

2. A one-touch unlocking transmission mechanism as set forth in claim 1, wherein: the fixed block is arranged on the rotating shaft body, the torsion spring is sleeved on the rotating shaft body, and two ends of the torsion spring are respectively connected with the fixed block and the operation base.

3. A one-touch unlocking transmission mechanism as set forth in claim 1, wherein: the protruding part of the transmission cam is provided with a horizontal section.

4. A one-touch unlocking transmission mechanism as set forth in claim 1, wherein: the lever locking assembly comprises a locking base, an action part movably arranged on the locking base and a lever part rotatably arranged on the locking base, one end of the lever part is used for being matched and abutted with the action part, and the other end of the lever part is provided with a locking part.

5. A one-touch unlocking transmission mechanism as set forth in claim 4, wherein: the locking base is provided with a rotating cavity for the lever component to rotate, a return spring is arranged between the locking base and the lever component, and the return spring is positioned in the rotating cavity;

6. A one-touch unlocking transmission mechanism as set forth in claim 4, wherein: the action part comprises a movable steel ball, the locking base is provided with a containing cavity containing the movable steel ball, openings are formed in two sides of the containing cavity, the diameter of each opening is smaller than that of the movable steel ball, and the transmission assembly drives the movable steel ball to protrude out of the opening and then pushes one end of the lever part.

7. A one-touch unlocking transmission mechanism as set forth in claim 4, wherein: one end of the lever component is provided with an anti-abrasion pad body.

8. A one-touch unlocking transmission mechanism as set forth in claim 4, wherein: and a friction gasket is arranged on the locking part.

9. A one-touch unlocking transmission mechanism as set forth in claim 4, wherein: and sliding holes are formed in two sides of the locking base, and the other leg section adjacent to the locking base is arranged in the sliding holes in a sliding manner.

10. A one-touch unlocking transmission mechanism as set forth in claim 4, wherein: the locking base is provided with a pin shaft, the middle part of the lever component is provided with a shaft hole, and the pin shaft movably penetrates through the shaft hole.