CN111981094A

CN111981094A - Transmission mechanism

Info

Publication number: CN111981094A
Application number: CN201910441118.0A
Authority: CN
Inventors: 赵海斌; 程宝珍; 邵明岩; 孙广彬; 王秀梅
Original assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Washing Machine Co Ltd; Qingdao Haier Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-11-24

Abstract

The invention discloses a transmission mechanism, which comprises a base, a first sliding groove and a second sliding groove, wherein the base is provided with the first sliding groove and the second sliding groove; a connecting rod assembly capable of rotating around a rotation center; the first sliding block and the second sliding block are movably arranged on the connecting rod assembly and can slide corresponding to the first sliding groove and the second sliding groove; the first sliding block slides in the first sliding groove, and the connecting rod assembly drives the second sliding block to synchronously slide in the second sliding groove; the sliding of the first sliding block and the second sliding block in the first sliding groove and the second sliding groove is linear motion. The invention provides a transmission mechanism, which is characterized in that the movement power of a first slide block is transmitted to a second slide block by setting the movement track of the transmission mechanism, and a mechanism capable of converting linear motion into rotary motion is arranged on the second slide block, so that the transmission function is met, and the space utilization efficiency is improved.

Description

Transmission mechanism

Technical Field

The invention belongs to the technical field of mechanical transmission, and particularly relates to a transmission mechanism.

Background

With the development of the times and the aesthetic development of people, the requirements on the appearance structure of various products become higher and higher, meanwhile, the requirements on a transmission part under the appearance structure of the product are also higher and higher, the transmission can be completed in a limited space, and meanwhile, more space is not occupied, so that the problem to be solved urgently is solved.

Chinese patent with application number CN200820141240.3 discloses a flexible hinge connecting rod of many gears, including the sheath shell, flexible connecting rod, the pilot pin, the gear tooth, flexible connecting rod inner is provided with the gear device, including deciding the gear shell fragment, reverse gear slider and elastic component, decide gear shell fragment one end to be the link, the other end is the free end, the elastic component sets up between deciding the gear shell fragment and flexible connecting rod, the pilot pin is fixed to be set up in the free end of deciding the gear shell fragment, be provided with hollow key groove in the reverse gear slider, constitute by being used for horizontal spout and sloping shape spout two parts, reverse gear slider overlaps on the pilot pin through key groove.

Chinese patent with application number CN201611081707.5 discloses a limiting mechanism, which comprises a sliding groove, a sliding block, a stop block, an upper lock block, a connecting rod and a spring, wherein one end of the upper lock block is hinged with the connecting rod, the other end of the upper lock block is movably connected with the sliding block, the stop block is mounted on the sliding block, and the sliding block is mounted in the sliding groove and can slide along the sliding groove; one end of the spring is connected with the sliding block, the other end of the spring is connected with the stop block, the stop block can slide relative to the sliding block along the telescopic direction of the spring, and an included angle is formed between the upper locking block and the sliding block; when the spring is in a compressed state, the elastic force of the spring urges the sliding block, the stop block and the sliding groove to generate extrusion force so as to prevent the sliding block from freely sliding.

The prior art provides a technical scheme about a transmission mechanism, but the transmission of a hinge connecting rod is complex, and a limiting mechanism cannot well realize the functions of transmission and the like, so that the prior art still has defects.

Therefore, it is necessary to improve the defects of the prior art, and a transmission mechanism is provided, wherein the movement track of the transmission mechanism is set, the movement power of the first slider is transmitted to the second slider, and the second slider is provided with a mechanism capable of converting the linear movement into the rotary movement, so that the transmission function is satisfied, the space occupied by the transmission mechanism is reduced, and the utilization efficiency of the space is improved.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem underlying the present invention is to overcome the drawbacks of the prior art and to provide a transmission mechanism which overcomes or at least partially solves the above mentioned problems.

In order to solve the technical problems, the invention adopts the technical scheme that: a drive mechanism comprises

The base is provided with a first sliding groove and a second sliding groove;

a connecting rod assembly capable of rotating around a rotation center;

the first sliding block and the second sliding block are movably arranged on the connecting rod assembly and can slide corresponding to the first sliding groove and the second sliding groove;

The first sliding block slides in the first sliding groove, and the connecting rod assembly drives the second sliding block to synchronously slide in the second sliding groove.

In addition, the sliding of the first sliding block and the second sliding block in the first sliding chute and the second sliding chute is linear movement;

in one embodiment, the first runner and the second runner are disposed in parallel;

in one embodiment, the center of rotation is disposed on the base.

Furthermore, a first limiting part and a second limiting part are arranged on the base;

the first slider is slidable in a region formed between the first stopper portion and the second stopper portion.

Meanwhile, the connecting rod assembly comprises a first connecting rod and a second connecting rod;

the first connecting rod is matched with the rotating shaft and can rotate around the rotating center;

when the first connecting rod rotates around the rotating center, the second connecting rod can extend in the length direction of the first connecting rod and extends into or out of the first connecting rod.

Furthermore, one end of the first connecting rod is matched with the first sliding block, and the position close to the other end of the first connecting rod is matched with the rotating shaft arranged at the rotating center;

The first connecting rod is provided with a connecting rod groove which at least can accommodate the second connecting rod to extend into or out of;

the first connecting rod is characterized in that a first elongated opening is further arranged in the connecting rod groove of the first connecting rod along the length direction of the first connecting rod.

Furthermore, the first sliding block is provided with a first guide column matched with the first opening;

when the first connecting rod rotates around the rotating center, the first guide column of the first sliding block slides in the first opening under the action of the first connecting rod.

Still further, one end of the second connecting rod is in running fit with the second sliding block, and the other end of the second connecting rod is provided with a second guide column;

the second guide post is engaged with the first opening of the first link;

when the first connecting rod rotates around the rotating center, the second guide column of the second sliding block slides in the first opening under the action of the first connecting rod.

Still further, the second connecting rod is provided with a second opening matched with the rotating shaft;

the second opening is a long-strip opening arranged along the length direction of the second connecting rod.

One end of the second sliding block is matched with the second connecting rod, and a mounting part is arranged at a position close to the other end of the second sliding block;

The mounting part is of a cylindrical structure with a through hole in the center;

in one embodiment, the rotating portion is fitted with a through hole in the center of the mounting portion.

Furthermore, a first baffle plate extending towards one side of the mounting part is further arranged on the second sliding block;

the rotating part is provided with a second baffle plate which extends towards one side of the mounting part;

and the torsional spring is arranged on the outer side of the mounting part and matched with the first baffle and the second baffle.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. the base is matched with the connecting rod assembly, the movement tracks of the two sliding blocks connected with the connecting rod assembly are limited, the movement power of the first sliding block is transmitted to the second sliding block under the action of the connecting rod assembly, the movement tracks of the two sliding blocks are parallel, and meanwhile, the transmission mechanism has the characteristics of small occupied space, small movement amplitude and the like;

2. the connecting rod assembly is arranged to be capable of stretching in the rotating process, so that the direction of the motion track and the magnitude of the motion amplitude of the sliding block in the moving process are controlled, the transmission motion of the transmission mechanism is ensured, and the space problem caused by the overlarge size of the transmission mechanism is avoided;

3. The one end at the second slider has set up rotation portion and torsional spring, the torsional spring with set up in the inboard guide part cooperation of base, turn into rotary motion with the linear motion of slider, promoted the accommodation of device, for the application of device in the product has expanded the space.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

FIG. 1 is a first schematic view of the shaft side of the transmission of the present invention;

FIG. 2 is a second schematic axial side view of the transmission of the present invention;

FIG. 3 is a first schematic front view of the transmission of the present invention;

FIG. 4 is a second schematic front view of the transmission of the present invention;

FIG. 5 is a schematic view of a first link of the transmission of the present invention;

FIG. 6 is a schematic view of a second link of the transmission of the present invention;

FIG. 7 is a schematic view of a first slide of the transmission of the present invention;

FIG. 8 is a second slide block schematic view of the transmission of the present invention;

FIG. 9 is a schematic view of the rotating portion of the transmission of the present invention;

fig. 10 is a third schematic view of the shaft side of the transmission mechanism of the present invention.

In the figure: 1. a base; 101. a first chute; 102. a second chute; 103. a first limiting part; 104. a second limiting part; 105. a guide section; 2. a connecting rod assembly; 201. a first link; 202. a second link; 203. a connecting rod slot; 204. a first opening; 205. a second guide post; 206. a second opening; 3. a center of rotation; 301. a rotating shaft; 4. a first slider; 401. a first guide post; 5. a second slider; 501. an installation part; 502. a first baffle plate; 6. a rotating part; 601. a second baffle; 7. a torsion spring.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 to 4 are a first schematic diagram and a second schematic diagram of a transmission mechanism on a shaft side and a first schematic diagram and a second schematic diagram of a transmission mechanism main view of the present invention, as can be seen from fig. 1 to 4, a main body of the transmission mechanism is a base 1, a connecting rod assembly 2 rotates around a rotation center 3 on the base 1, the base 1 is further provided with a first slider 4 and a second slider 5 which are matched with two ends of the connecting rod assembly 2, the connecting rod assembly 2 forms a pendulum-like motion around the rotation center 3 on the base 1, under the action of the connecting rod assembly 2, motion trails generated by the first slider 4 and the second slider 5 are parallel, in one embodiment, the motion trails of the first slider 4 and the second slider 5 are linear motion, in practical application, the motion trails of the first slider 4 and the second slider 5 can be set to be arc-shaped or the like according to needs, and the base 1 is further provided with a first chute 101 and a second chute 102, the first slider 4 and the second slider 5 correspond to the first slider 4 and the second slider 5 respectively, and the first slider 4 and the second slider 5 form a moving track under the action of the first sliding chute 101 and the second sliding chute 102.

Further, the link assembly 2 includes a first link 201 and a second link 202, wherein the first link 201 is engaged with a rotation shaft 301 to rotate around a rotation center 3, in fig. 1, 3 and 4, the rotation shaft 301 and the rotation center 3 are marked at the same position, in practical application, a rotation shaft 301 is installed at the rotation center 3 to position the first link 201, and for convenience of viewing, the rotation shaft 301 and the rotation center 3 are marked as a whole, the first link 201 faces the base 1 side, a link groove 203 is formed in a length direction of the first link 201, the second link 202 can extend or extend in the length direction of the first link 201 within a range of the link groove 203 when the link assembly 2 rotates, the first link 201 is further provided with a first opening 204 in the length direction thereof, the first slider 4 is provided with a first guide column 401 engaged with the first opening 204, when the connecting rod assembly 2 rotates, the first guide column 401 drives the first slider 4 to slide along the first sliding groove 101 under the action of the first opening 204, and the second connecting rod 202 is provided with the second guide column 205 matched with the first opening 204, similarly, when the connecting rod assembly 2 rotates, the second guide column 205 drives the second slider 5 to slide along the first sliding groove 101 under the action of the first opening 204, the second connecting rod 202 is further provided with the second opening 206 matched with the rotating shaft 301, when the second connecting rod 202 extends into or extends out in the length direction of the first connecting rod 201, the second opening 206 of the second connecting rod 202 also plays a role in guiding, and meanwhile, the second connecting rod 202 is prevented from deviating from the connecting rod groove 203.

Furthermore, the base 1 is provided with a first limiting portion 103 and a second limiting portion 104, and the first slider 4 is respectively matched with the first limiting portion 103 and the second limiting portion 104, so that the rotating motion of the connecting rod assembly 2 within a certain range is realized.

Still further, one end of the second slider 5 is rotatably engaged with the second link 202, the other end is provided with an installation portion 501, the installation portion 501 is a hollow cylindrical structure, a rotation portion 6 is further provided in engagement with the installation portion 501, a first baffle 502 is provided on the installation portion 501, a second baffle 601 is provided on the rotation portion 6, a torsion spring 7 is provided on the outer side of the installation portion 501 in engagement with the first baffle 502 and the second baffle 601, as can be seen in fig. 10, a guide portion 105 is provided, the torsion spring 7 is engaged with a guide portion 105 provided on the inner side of the base, the torsion spring 7 and the guide portion 105 realize switching between linear motion and rotational motion, the guide portion 105 is in an arc-shaped guide structure, the torsion spring 7 provides a restoring force after the linear motion is converted into rotational motion, such an arrangement is such that the rotational motion of the link assembly 2 is converted into the linear motion of the second slider 5, and the linear motion of the second slider 5 is, various applications of the transmission mechanism are provided.

Fig. 5 is a schematic diagram of a first link 201 of the transmission mechanism of the present invention, and it can be seen in fig. 5 that the first link 201 is provided with a link slot 203 in the length direction, the link slot 203 is engaged with a second link 202 to form a channel for the second link 202 to slide in the first link 201, the first link 201 is further provided with a first opening 204, the first opening 204 is engaged with a first guide column 401 and a second guide column 205, and the first link 201 is further provided with a rotation center 3 and a rotation shaft 301, during the actual installation process, the rotation center 3 needs to pass through a rotation shaft 301, the first link 201 rotates around the rotation shaft 301, for the convenience of viewing, the rotation shaft 301 is omitted in fig. 5, and the rotation center 3 and the rotation shaft 301 are labeled together.

Fig. 6 is a schematic diagram of a second connecting rod 202 of the transmission mechanism of the present invention, and in fig. 6, it can be seen that a second opening 206 and a second guiding column 205 are arranged on the second connecting rod 202, the second opening 206 is matched with a rotating shaft 301 to form a guide for the second connecting rod 202 to extend into and out of the first connecting rod 201, the second guiding column 205 is matched with a first opening 204 of the first connecting rod 201, the other end of the second connecting rod 202 is matched with a second sliding block 5, and as can be seen from fig. 6, the matching of the second connecting rod 202 and the second sliding block 5 is a rotating matching.

Fig. 7 and 8 are schematic views of the first slider 4 and the second slider 5 of the transmission mechanism of the present invention, and it can be seen from fig. 7 and 8 that the first slider 4 is provided with the first guide post 401, and the second slider 5 is provided with the rear mounting portion 501 and the first shutter 502.

Fig. 9 and 10 are schematic diagrams of the rotating part 6 and the guiding part 105 of the transmission mechanism of the present invention, and it can be seen from fig. 9 that the rotating part 6 is provided with a second baffle 601, which cooperates with the torsion spring 7 together with the first baffle 502 of the second slider 5, the torsion spring 7 cooperates with the guiding part 105 arranged inside the base 1, the torsion spring 7 and the guiding part 105 realize switching between linear motion and rotational motion, the guiding part 105 is in an arc-shaped guiding structure, and the torsion spring 7 provides restoring force after the linear motion is converted into the rotational motion, so as to realize conversion of the linear motion of the second slider 5 into the rotational motion of the rotating part 6.

In general, the base 1 is matched with the connecting rod assembly 2, and the motion tracks of the two sliding blocks connected with the connecting rod assembly 2 are limited, so that the motion power of the first sliding block 4 is transmitted to the second sliding block 5 under the action of the connecting rod assembly 2, the motion tracks of the two sliding blocks are parallel, and meanwhile, the transmission mechanism has the characteristics of small occupied space, small motion amplitude and the like; the connecting rod assembly 2 is of a structure capable of stretching in the rotating process, so that the direction of the motion track and the magnitude of the motion amplitude of the sliding block in the moving process are controlled, the transmission motion of the transmission mechanism is ensured, and the space problem caused by the overlarge size of the transmission mechanism is avoided; one end of the second slider 5 is provided with a rotating part 6 and a torsion spring 7, the torsion spring 7 is matched with a guide part 105 arranged on the inner side of the base, the linear motion of the slider is converted into rotary motion, the application range of the device is expanded, and the application space of the device in a product is expanded.

Example one

As shown in fig. 1 to 9, the transmission mechanism of the present embodiment includes a base 1, which is provided with a first sliding groove 101 and a second sliding groove 102; the connecting rod assembly 2 can rotate around a rotation center 3; the first sliding block 4 and the second sliding block 5 are movably arranged on the connecting rod assembly 2 and can slide corresponding to the first sliding groove 101 and the second sliding groove 102; the sliding of the first sliding block 4 in the first sliding groove 101 drives the second sliding block 5 to synchronously slide in the second sliding groove 102 through the connecting rod assembly 2.

Further, the link assembly 2 includes a first link 201 and a second link 202; the first link 201 is engaged with the rotating shaft 301 and can rotate around the rotating center 3; when the first link 201 rotates around the rotation center 3, the second link 202 can extend in or out of the first link 201 along the length direction of the first link 201.

Further, one end of the first link 201 is engaged with the first slider 4, and a position near the other end is engaged with the rotation shaft 301 provided at the rotation center 3; the first link 201 is provided with a link slot 203 which can at least accommodate the second link 202 to extend into or out of; the first connecting rod 201 is further provided with a first elongated opening 204 in the connecting rod groove 203 along the length direction of the first connecting rod 201.

Still further, the first slider 4 is provided with a first guide column 401 which is matched with the first opening 204; when the first link 201 rotates around the rotation center 3, the first guide column 401 of the first slider 4 slides in the first opening 204 under the action of the first link 201. One end of the second connecting rod 202 is rotatably matched with the second sliding block 5, and the other end is provided with a second guide column 205; the second guiding stud 205 cooperates with the first opening 204 of the first link 201; when the first link 201 rotates around the rotation center 3, the second guide column 205 of the second slider 5 slides in the first opening 204 under the action of the first link 201. The second connecting rod 202 is provided with a second opening 206 matched with the rotating shaft 301; the second opening 206 is an elongated opening disposed along the length of the second link 202.

Referring to the accompanying drawings, fig. 1 to 4 are a first schematic view and a second schematic view of a shaft side of a transmission mechanism and a first schematic view and a second schematic view of a main view of the transmission mechanism, wherein as can be seen from fig. 1 to 4, a main body of the transmission mechanism is a base 1, a connecting rod assembly 2 rotates around a rotation center 3 on the base 1, a first slider 4 and a second slider 5 which are matched with two ends of the connecting rod assembly 2 are further arranged on the base 1, the connecting rod assembly 2 forms pendulum-like motion around the rotation center 3 on the base 1, under the action of the connecting rod assembly 2, the movement tracks generated by the first slider 4 and the second slider 5 are parallel, in addition, a first sliding groove 101 and a second sliding groove 102 are also arranged on the base 1 and respectively correspond to the first slider 4 and the second slider 5, and the movement tracks of the first slider 4 and the second slider 5 are formed under the action of the first sliding groove 101 and the second sliding groove 102.

Example two

As shown in fig. 1 to 9, a transmission mechanism according to the present embodiment includes a base 1; a connecting rod assembly 2 capable of rotating around a rotation center 3; the driving unit is connected with the connecting rod assembly 2; the first sliding block 4 is movably arranged on the connecting rod assembly 2 and can slide in a sliding groove of the base 1; the driving unit drives the connecting rod assembly 2 to rotate around the rotation center 3, and a sliding track of the first sliding block 4 in the sliding groove of the base 1 is defined by matching with the sliding of the first sliding block 4 on the connecting rod assembly 2.

EXAMPLE III

As shown in fig. 1 to 9, in the present embodiment, based on the second embodiment, the transmission mechanism further includes a second slider 5 movably disposed on the connecting rod assembly 2 and capable of sliding in the sliding slot of the base 1; the driving unit drives the connecting rod assembly 2 to rotate around the rotating center 3, and a sliding track of the second sliding block 5 in the sliding groove of the base 1 is defined in cooperation with the sliding of the second sliding block 5 on the connecting rod assembly 2; the base 1 comprises a first runner 101 and a second runner 102; the first slider 4 and the second slider 5 are slidably disposed corresponding to the first sliding groove 101 and the second sliding groove 102, respectively.

Example four

As shown in fig. 1 to 9, in the present embodiment, based on any one of the first to third embodiments, in the transmission mechanism of the present embodiment, the sliding of the first sliding block 4 and the second sliding block 5 in the first sliding chute 101 and the second sliding chute 102 is a linear motion.

EXAMPLE five

As shown in fig. 1 to fig. 9, the present embodiment is based on the fourth embodiment, and the first sliding chute 101 and the second sliding chute 102 of the transmission mechanism of the present embodiment are arranged in parallel.

EXAMPLE six

As shown in fig. 1 to 9, the present embodiment is based on any one of the first to fifth embodiments, and the rotation center 3 of the transmission mechanism of the present embodiment is disposed on the base 1.

EXAMPLE seven

As shown in fig. 1 to 9, the present embodiment is based on any one of the first to sixth embodiments, and the base 1 of the transmission mechanism of the present embodiment is provided with a first position-limiting portion 103 and a second position-limiting portion 104; the first slider 4 is slidable in a region formed between the first stopper 103 and the second stopper 104.

Example eight

As shown in fig. 7 to 10, in the present embodiment, based on any one of the first to seventh embodiments, in the transmission mechanism of the present embodiment, one end of the second slider 5 is engaged with the second link 202, and a mounting portion 501 is disposed at a position close to the other end; the mounting part 501 is a cylindrical structure with a through hole in the center; and a rotating part 6 which is matched with a through hole at the center of the mounting part 501. Further, the second slider 5 is further provided with a first baffle 502 extending towards one side of the mounting portion 501; the rotating part 6 is provided with a second baffle 601 which extends towards one side of the mounting part 501; the torsion spring 7 is arranged on the outer side of the mounting part 501 and is matched with the first baffle plate 502 and the second baffle plate 601; the base 1 is matched with the connecting rod assembly 2, and the motion tracks of the two sliding blocks connected with the connecting rod assembly 2 are limited, so that the motion power of the first sliding block 4 is transmitted to the second sliding block 5 under the action of the connecting rod assembly 2, the motion tracks of the two sliding blocks are parallel, and meanwhile, the transmission mechanism has the characteristics of small occupied space, small motion amplitude and the like; one end of the second slider 5 is provided with a rotating part 6 and a torsion spring 7, the torsion spring 7 is matched with a guide part 105 arranged on the inner side of the base, the linear motion of the slider is converted into rotary motion, the application range of the device is expanded, and the application space of the device in a product is expanded.

Referring to the drawings, fig. 7 and 8 are schematic views of a first slider 4 and a second slider 5 of the transmission mechanism of the present invention, and as can be seen from fig. 7 and 8, the first slider 4 is provided with a first guide post 401, and the second slider 5 is provided with a rear mounting portion 501 and a first baffle 502.

One end of the second slider 5 is rotatably matched with the second connecting rod 202, the other end is provided with a mounting part 501, the mounting part 501 is of a hollow cylindrical structure, a rotating part 6 is further arranged and matched with the mounting part 501, a first baffle 502 is arranged on the mounting part 501, a second baffle 601 is arranged on the rotating part 6, a torsion spring 7 matched with the first baffle 502 and the second baffle 601 is arranged on the outer side of the mounting part 501, as can be seen in fig. 10, a guide part 105 is arranged, the torsion spring 7 is matched with the guide part 105 arranged on the inner side of the base, the torsion spring 7 and the guide part 105 realize switching between linear motion and rotary motion, the guide part 105 is of an arc-shaped guide structure, the torsion spring 7 provides restoring force after the linear motion is converted into the rotary motion, and the arrangement enables the rotary motion of the connecting rod assembly 2 to be converted into the linear motion of the second slider 5, and then converts the linear motion of, various applications of the transmission mechanism are provided.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A transmission mechanism is characterized in that: comprises that

A base (1) provided with a first chute (101) and a second chute (102);

a connecting rod assembly (2) which can rotate around a rotation center (3);

the first sliding block (4) and the second sliding block (5) are movably arranged on the connecting rod assembly (2) and can slide corresponding to the first sliding groove (101) and the second sliding groove (102);

the first sliding block (4) slides in the first sliding groove (101), and the connecting rod assembly (2) drives the second sliding block (5) to synchronously slide in the second sliding groove (102).

2. A transmission mechanism as claimed in claim 1, wherein:

the sliding of the first sliding block (4) and the second sliding block (5) in the first sliding groove (101) and the second sliding groove (102) is linear movement;

preferably, the first runner (101) and the second runner (102) are arranged in parallel;

more preferably, the rotation center (3) is provided on the base (1).

3. A transmission mechanism as claimed in claim 1 or 2, wherein:

a first limiting part (103) and a second limiting part (104) are arranged on the base (1);

the first slider (4) is slidable in a region formed between the first stopper portion (103) and the second stopper portion (104).

4. A transmission according to any one of claims 1 to 3, wherein:

the connecting rod assembly (2) comprises a first connecting rod (201) and a second connecting rod (202);

the first connecting rod (201) is matched with the rotating shaft (301) and can rotate around the rotating center (3);

when the first connecting rod (201) rotates around the rotating center (3), the second connecting rod (202) can extend along the length direction of the first connecting rod (201) and extend into or out of the first connecting rod (201).

5. A transmission according to claim 4, wherein:

one end of the first connecting rod (201) is matched with the first sliding block (4), and the position close to the other end of the first connecting rod is matched with the rotating shaft (301) arranged at the rotating center (3);

the first connecting rod (201) is provided with a connecting rod groove (203) which at least can accommodate the second connecting rod (202) to extend into or out of;

the connecting rod groove (203) of the first connecting rod (201) is also internally provided with a first elongated opening (204) which is arranged along the length direction of the first connecting rod (201).

6. A transmission according to claim 5, wherein:

the first sliding block (4) is provided with a first guide column (401) matched with the first opening (204);

When the first connecting rod (201) rotates around the rotating center (3), the first guide column (401) of the first sliding block (4) slides in the first opening (204) under the action of the first connecting rod (201).

7. A transmission according to claim 5, wherein:

one end of the second connecting rod (202) is in running fit with the second sliding block (5), and the other end of the second connecting rod is provided with a second guide column (205);

the second guide post (205) cooperates with the first opening (204) of the first link (201);

when the first connecting rod (201) rotates around the rotating center (3), the second guide column (205) of the second sliding block (5) slides in the first opening (204) under the action of the first connecting rod (201).

8. A transmission according to claim 7, wherein:

the second connecting rod (202) is provided with a second opening (206) matched with the rotating shaft (301);

the second opening (206) is an elongated opening disposed along a length of the second link (202).

9. A transmission according to any one of claims 1 to 8, wherein:

one end of the second sliding block (5) is matched with the second connecting rod (202), and a mounting part (501) is arranged at a position close to the other end;

The mounting part (501) is of a cylindrical structure with a through hole in the center;

preferably, the rotating part (6) is matched with a through hole in the center of the mounting part (501).

10. A transmission mechanism as claimed in claim 9, wherein:

the second sliding block (5) is also provided with a first baffle (502) which extends towards one side of the mounting part (501);

the rotating part (6) is provided with a second baffle (601) which extends towards one side of the mounting part (501);

and the torsion spring (7) is arranged on the outer side of the mounting part (501) and is matched with the first baffle plate (502) and the second baffle plate (601).