阅读说明：本技术 一种带防松旋钩的快换机构 (Quick change mechanism with anti-loosening rotating hook ) 是由 石丛霞 于 2021-08-06 设计创作，主要内容包括：本发明公开了一种带防松旋钩的快换机构,包括第一上盖、第一下盖、第二上盖、第二下盖、旋钩,所述第一上盖、第一下盖、第二上盖、第二下盖上均设有连接孔,所述第一上盖和第一下盖通过紧固螺栓连接在一起,所述第二上盖和第二下盖通过紧固螺栓连接在一起。本发明将一部分安装在主体上,将另一部分安装在被连接件上,连接时只需将两部分连接起来即可,去除了安装流程,使得连接速度大大提高,实现了快换功能,本发明在第一旋槽、第二旋槽内安装滚珠,在滚珠之间安装旋钩,通过旋转旋钩将两部分快速连接起来,滚珠也可使旋钩滑动的更加顺畅,同时设置了弹性件与挡销,对旋钩进行防松和限位,保证了旋钩连接时的稳定性与安全性。(The invention discloses a quick-change mechanism with an anti-loosening rotating hook, which comprises a first upper cover, a first lower cover, a second upper cover, a second lower cover and a rotating hook, wherein connecting holes are formed in the first upper cover, the first lower cover, the second upper cover and the second lower cover, the first upper cover and the first lower cover are connected together through fastening bolts, and the second upper cover and the second lower cover are connected together through fastening bolts. According to the invention, one part is arranged on the main body, the other part is arranged on the connected piece, and only the two parts are connected when in connection, so that the installation process is eliminated, the connection speed is greatly improved, and the quick-change function is realized.)

1. A quick-change mechanism with a locking rotating hook is characterized by comprising a first upper cover (10), a first lower cover (11), a second upper cover (12), a second lower cover (13) and a rotating hook (17), the first upper cover (10), the first lower cover (11), the second upper cover (12) and the second lower cover (13) are all provided with connecting holes (19), the first upper cover (10) and the first lower cover (11) are connected together by a fastening bolt (14), the second upper cover (12) and the second lower cover (13) are connected together by a fastening bolt (14), the first upper cover (10) and the first lower cover (11) are provided with mounting holes (27), the rotary hook (17) is arranged between the first upper cover (10) and the first lower cover (11) through a mounting hole (27), the rotary hook (17) can rotate to the middle of the second upper cover (12) and the second lower cover (13).

2. The quick-change mechanism with the anti-loosening rotating hook is characterized in that a first rotating groove (18) is formed in the inner surface of the first upper cover (10) and the inner surface of the first lower cover (11), a second rotating groove (20) is formed in the inner surface of the second upper cover (12) and the inner surface of the second lower cover (13), the radius of the first rotating groove (18) is the same as that of the second rotating groove (20), and a ball (16) is arranged in each of the first rotating groove (18) and the second rotating groove (20).

3. The quick-change mechanism with the anti-loosening rotating hook according to claim 2 is characterized in that the rotating hook (17) comprises a mounting shaft (21), a connecting arm (22) and a rotating ring (23), the mounting shaft (21) is mounted in the mounting shaft (21), the rotating ring (23) is connected to the mounting shaft (21) through the connecting arm (22), arc grooves are formed in the upper side and the lower side of the rotating ring (23), the arc grooves have the same radius with the first rotating groove (18) and the second rotating groove (20), the rotating hook (17) slides on the ball (16) through the arc grooves, and the ball (16) is matched with the arc grooves, so that the rotating hook (17) is limited in the mechanism.

4. The quick-change mechanism with the anti-loosening rotating hook is characterized in that a stop hole (24) is formed in the first upper cover (10), and a stop pin (25) for stopping the connecting arm (22) is installed in the stop hole (24).

5. The quick-change mechanism with the anti-loosening rotating hook is characterized in that a limiting hole (26) is formed in the first upper cover (10), and an elastic piece (15) for limiting the rotating ring (23) is installed in the limiting hole (26).

6. The quick-change mechanism with the anti-loosening rotating hook according to claim 2, characterized in that the ends of the first rotating groove (18) and the second rotating groove (20) are closed.

7. The quick-change mechanism with the anti-loosening rotating hook is characterized in that the ball (16) and the rotating hook (17) are made of bearing steel, and the first upper cover (10), the first lower cover (11), the second upper cover (12) and the second lower cover (13) are made of cast steel.

8. The quick-change mechanism with the anti-loosening rotating hook is characterized in that the first upper cover (10), the first lower cover (11), the second upper cover (12), the second lower cover (13) and the rotating hook (17) are subjected to surface zinc-nickel alloy electroplating or zinc-aluminum coating treatment.

Technical Field

The invention relates to the field of connecting pieces, in particular to a quick-change mechanism with an anti-loosening rotating hook.

Background

The quick-change structure is used for safely and quickly disassembling fastening connection, the running distance of the battery pack for supplying power is short along with the design of a new energy battery pack of an automobile as a mainstream, when the requirement of charging or charging time is not met, the battery pack is changed, the fastening reliability and the repeated use become difficulties when the battery pack is changed, the quick-change structure is generally used for connecting an automobile body and the battery pack, at present, a plurality of quick-change devices only have the function of quick connection and neglect the safety problems of looseness prevention and the like, or only are arranged in the looseness prevention mode, the connection speed is not high, at present, the fasteners mostly adopt thread fastening, the threads need to be screwed into a connected piece when in connection, the connection efficiency is low, the connecting piece is divided into a plurality of parts and respectively arranged on the connected piece, only a few connecting mechanisms for connecting the connecting piece are needed when in use, therefore, the quick connection can be ensured by referring to the mechanism design, but also can ensure the anti-loose quick-change mechanism.

Disclosure of Invention

The invention aims to provide a quick-change mechanism with an anti-loosening rotating hook, which aims to solve the technical defects of the prior art and the technical requirements which cannot be met.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a take locking quick change mechanism of rotating hook, includes first upper cover, first lower cover, second upper cover, second lower cover, rotates the hook, all be equipped with the connecting hole on first upper cover, first lower cover, second upper cover, the second lower cover, first upper cover and first lower cover pass through fastening bolt and link together, second upper cover and second lower cover pass through fastening bolt and link together, be equipped with the mounting hole on first upper cover, the first lower cover, rotate the hook and pass through the mounting hole and install the centre at first upper cover and first lower cover, rotate the hook and can rotate the centre to second upper cover and second lower cover.

Preferably, the inner surface of the first upper cover and the inner surface of the first lower cover are provided with first spiral grooves, the inner surface of the second upper cover and the inner surface of the second lower cover are provided with second spiral grooves, the radiuses of the first spiral grooves and the radiuses of the second spiral grooves are the same, and balls are arranged in the first spiral grooves and the second spiral grooves.

Preferably, the rotating hook includes installation axle, linking arm, revolves the ring, the installation axle is installed at the installation epaxial, revolve the ring and pass through the linking arm is connected at the installation epaxial, the upper and lower both sides of revolving the ring all are equipped with the circular arc recess, the circular arc recess is the same with the radius of first spiral groove, second spiral groove, the rotating hook passes through the arc recess and slides on the ball, ball and the cooperation of arc recess for it is spacing at mechanism inside to revolve the hook.

Preferably, the first upper cover is provided with a stopping hole, and a stop pin for stopping the connecting arm is installed in the stopping hole.

Preferably, the first upper cover is provided with a limiting hole, and an elastic part for limiting the rotary ring is arranged in the limiting hole.

Preferably, the ends of the first spiral groove and the second spiral groove are closed.

Preferably, the ball and the rotating hook are made of bearing steel, and the first upper cover, the first lower cover, the second upper cover and the second lower cover are made of cast steel.

Preferably, the surfaces of the first upper cover, the first lower cover, the second upper cover, the second lower cover and the rotating hook are plated with zinc-nickel alloy or zinc-aluminum.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, one part is arranged on the main body, the other part is arranged on the connected piece, and only the two parts are connected when in connection, so that the installation process is eliminated, the connection speed is greatly improved, and the quick-change function is realized.

Drawings

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

FIG. 2 is a schematic illustration of an explosive structure according to the present invention;

FIG. 3 is a schematic structural diagram of a first upper cover according to the present invention;

FIG. 4 is a schematic view of a first lower cover according to the present invention;

FIG. 5 is a schematic structural diagram of a second upper cover according to the present invention;

FIG. 6 is a schematic view of a second lower cover according to the present invention;

FIG. 7 is a schematic view of a rotating hook according to the present invention;

FIG. 8 is a schematic view of the structure of the elastic member of the present invention;

FIG. 9 is a schematic view of a stop pin according to the present invention;

in the figure: 10-a first upper cover; 11-a first lower cover; 12-a second upper cover; 13-a second lower cover; 14-a fastening bolt; 15-an elastic member; 16-a ball bearing; 17-rotating a hook; 18-a first rotary groove; 19-connecting holes; 20-a second rotary groove; 21-mounting the shaft; 22-a linker arm; 23-cyclotomic ring; 24-a stop hole; 25-a stop pin; 26-a limiting hole; 27-mounting holes.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a take locking quick change mechanism of rotating hook, includes first upper cover 10, first lower cover 11, second upper cover 12, second lower cover 13, rotating hook 17, all be equipped with connecting hole 19 on first upper cover 10, first lower cover 11, second upper cover 12, the second lower cover 13, first upper cover 10 links together through fastening bolt 14 with first lower cover 11, second upper cover 12 links together through fastening bolt 14 with second lower cover 13, be equipped with mounting hole 27 on first upper cover 10, the first lower cover 11, rotating hook 17 passes through mounting hole 27 and installs in the centre of first upper cover 10 with first lower cover 11, rotating hook 17 can rotate to the centre of second upper cover 12 and second lower cover 13.

The inner surfaces of the first upper cover 10 and the first lower cover 11 are provided with first spiral grooves 18, the inner surfaces of the second upper cover 12 and the second lower cover 13 are provided with second spiral grooves 20, the radiuses of the first spiral grooves 18 and the second spiral grooves 20 are the same, and balls 16 are arranged in the first spiral grooves 18 and the second spiral grooves 20.

Swivel hook 17 includes installation axle 21, connecting arm 22, swivel ring 23, installation axle 21 is installed in installation axle 21, swivel ring 23 passes through connecting arm 22 is connected on installation axle 21, the upper and lower both sides of swivel ring 23 all are equipped with the circular arc recess, the circular arc recess is the same with the radius of first rotary groove 18, second rotary groove 20, swivel hook 17 slides on ball 16 through the circular arc recess, ball 16 and the cooperation of circular arc recess for swivel hook 17 is spacing inside the mechanism.

The first upper cover 10 is provided with a stopping hole 24, and a stop pin 25 for stopping the connecting arm 22 is installed in the stopping hole 24.

The first upper cover 10 is provided with a limiting hole 26, and an elastic part 15 for limiting the rotary ring 23 is installed in the limiting hole 26.

The ends of the first spiral groove 18 and the second spiral groove 20 are closed.

The balls 16 and the rotating hooks 17 are made of bearing steel, and the first upper cover 10, the first lower cover 11, the second upper cover 12 and the second lower cover 13 are made of cast steel.

The surfaces of the first upper cover 10, the first lower cover 11, the second upper cover 12, the second lower cover 13 and the rotating hook 17 are plated with zinc-nickel alloy or zinc-aluminum.

The working principle is as follows: the first upper cover 10 and the first lower cover 11 are connected into a whole and are installed on the main body, the second upper cover 12 and the second lower cover 13 are connected into a whole and are installed on the connected piece, the rotating hook 17 is installed inside the mechanism through the installation shaft 21 and the installation hole 27, the balls 16 are installed in the first rotating groove and the second rotating groove, the balls are matched with the groove on the rotating ring 23, so that the rotating hook 17 is connected with the upper and lower covers, and the rotating hook 17 can smoothly rotate around the installation shaft 21 inside the mechanism;

when the mechanism is connected, two parts of the mechanism are combined together, the rotating hook 17 is rotated by a tool, one part of the rotating hook 17 is rotated to the middle of the second upper cover 12 and the second lower cover 13, meanwhile, the stop pin 25 limits the connecting arm 22, the connecting arm 22 is positioned between the first upper cover 10 and the first lower cover 11, the rotating ring 23 is positioned between the second upper cover 12 and the second lower cover 13, the two parts of the mechanism are connected, after the connection is completed, the elastic part 15 is pressed downwards, the elastic part 15 limits the rotating hook 17, the rotating hook 17 can not rotate any more, the connection loosening caused by vibration is prevented, and the stability and the safety of the connection are ensured;

during the dismantlement, pop out elastic component 15, will revolve hook 17 and all revolve to between first upper cover 10 and the first lower cover 11, stop pin 25 carries on spacingly to linking arm 22 simultaneously for it is too big that the hook 17 can not rotate and screw out between first upper cover 10 and the first lower cover 11, pushes down elastic component 15 simultaneously, makes hook 17 can not rotate again, can break away from the connection with two parts of mechanism.

For ease of description, the orientations referred to above are now specified as follows: the up, down, left, right, and front-back directions described above coincide with the up, down, left, right, and front-back directions of the projection relation of fig. 1 itself.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.