CN214534283U

CN214534283U - Automatic clearance adjusting gear for high-precision transmission

Info

Publication number: CN214534283U
Application number: CN202120589150.6U
Authority: CN
Inventors: 李伟民; 李洪桥
Original assignee: Wuxi Yuantong Transmission Technology Co Ltd
Current assignee: Wuxi Yuantong Transmission Technology Co Ltd
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-29
Anticipated expiration: 2031-03-23

Abstract

The utility model provides a clearance automatic adjustment type gear for high precision transmission, which comprises a main rotating shaft; a connecting rod is embedded into the left side of the main rotating shaft in a sliding manner; the left side of the connecting rod is fixedly connected with a bevel gear body; the outer side of the connecting rod is also fixedly and symmetrically connected with two clamping blocks; and a spring is embedded and mounted on the inner side of the main rotating shaft. One side of main rotating shaft is fixed and is provided with a cylindrical groove, the connecting rod embedding is installed in this cylindrical groove and can be in its inside horizontal slip, the inboard spring of main rotating shaft can promote the connecting rod and slide to the left side, thereby can make the tooth's socket of bevel gear main part one side paste tightly with the tooth's socket that corresponds drive gear, and when main rotating shaft produced slight left right shift, the connecting rod still can horizontal slip make the tooth's socket of bevel gear main part one side paste tightly with the tooth's socket that corresponds drive gear, this gear can the clearance between the automatic adjustment gear realize stable transmission when using, it is more convenient during the use.

Description

Automatic clearance adjusting gear for high-precision transmission

Technical Field

The utility model belongs to the technical field of the gear, more specifically say, in particular to be used for driven clearance automatic adjustment formula gear of high accuracy.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotating speed and transmitting the torque between a prime motor and a working machine or an actuating mechanism is very extensive in modern machinery, and the transmission in a speed reducer often needs two bevel gears for transmission.

Based on the above, the present inventors found that the following problems exist: the existing speed reducer gears are all common fixed gears, so that the gaps of the gears need to be adjusted in advance when the speed reducer gears are installed, but when a rotating shaft of the gears moves during use, the gaps of the gears can be changed, so that the transmission effect is influenced, and the use is inconvenient.

In view of the above, the present invention provides an automatic gap adjusting gear for high precision transmission, which is improved based on the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a be used for driven clearance automatic adjustment formula gear of high accuracy to solve present reduction gear and be ordinary fixed gear, consequently these gears just need adjust the clearance in advance when the installation, but when the pivot of gear appears moving about when using, the clearance of these gears will change, consequently influences transmission effect, awkward problem.

The utility model is used for purpose and efficiency of driven clearance automatic adjustment formula gear of high accuracy is reached by following specific technological means:

a clearance automatic adjustment type gear for high-precision transmission comprises a main rotating shaft; a connecting rod is embedded into the left side of the main rotating shaft in a sliding manner; the left side of the connecting rod is fixedly connected with a bevel gear body; the outer side of the connecting rod is also fixedly and symmetrically connected with two clamping blocks; and a spring is embedded and mounted on the inner side of the main rotating shaft.

Furthermore, one side of the main rotating shaft is fixedly provided with a cylindrical groove, and the connecting rod is embedded in the cylindrical groove and can slide left and right in the cylindrical groove.

Furthermore, the fixed symmetry in the outside of main pivot is provided with two bar grooves, and two fixture blocks in the connecting rod outside are located these two bar grooves respectively.

Further, the width in the bar groove in the main pivot outside is greater than the thickness of the fixture block in the connecting rod outside, and when the spring promoted the connecting rod and slided to the left side, the fixture block also can slide left in the bar inslot side.

Further, the strip-shaped groove inner sides on the outer wall of the main rotating shaft are fixedly and symmetrically provided with two strip-shaped adhesive tapes, and the clamping blocks can be in close contact with the adhesive tapes when the main rotating shaft rotates.

Compared with the prior art, the utility model discloses following beneficial effect has:

the setting of connecting rod, be favorable to making things convenient for the gear automatically regulated clearance, one side of main rotating shaft is fixed and is provided with a cylindrical groove, the connecting rod embedding is installed in this cylindrical groove and can be at its inside horizontal slip, the inboard spring of main rotating shaft can promote the connecting rod and slide to the left side, thereby can make the tooth's socket of bevel gear main part one side paste tightly with the tooth's socket that corresponds drive gear, and when main rotating shaft produced slight left and right displacement, the connecting rod still can horizontal slip make the tooth's socket of bevel gear main part one side paste tightly with the tooth's socket that corresponds drive gear, this gear can the clearance between the automatically regulated gear realize stable transmission when using, it is more convenient during the use.

Drawings

Fig. 1 is the structure diagram of the shaft side of the gear of the utility model after the main rotating shaft is cut tightly.

Fig. 2 is the structure diagram of the side of the shaft after the gear is separated and the main rotating shaft is cut.

Fig. 3 is a schematic diagram of the structure of the shaft side after the gear of the present invention is fastened.

Fig. 4 is a schematic top view of the gear of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a bevel gear body; 2. a connecting rod; 3. a clamping block; 4. a main rotating shaft; 5. a spring; 6. and (4) an adhesive tape.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a clearance automatic adjustment type gear for high precision transmission, which comprises a main rotating shaft 4; a connecting rod 2 is embedded into the left side of the main rotating shaft 4 in a sliding manner; two strip-shaped grooves are fixedly and symmetrically arranged on the outer side of the main rotating shaft 4, and two clamping blocks 3 on the outer side of the connecting rod 2 are respectively positioned in the two strip-shaped grooves; the width of the strip-shaped groove on the outer side of the main rotating shaft 4 is larger than the thickness of the fixture block 3 on the outer side of the connecting rod 2, and when the spring 5 pushes the connecting rod 2 to slide to the left, the fixture block 3 can also slide to the left on the inner side of the strip-shaped groove; the left side of the connecting rod 2 is fixedly connected with a bevel gear body 1; the outer side of the connecting rod 2 is also fixedly and symmetrically connected with two clamping blocks 3; a spring 5 is embedded and mounted on the inner side of the main rotating shaft 4.

Wherein, one side of main shaft 4 is fixed and is provided with a cylindrical groove, 2 embedding of connecting rod are installed in this cylindrical groove and can be in its inside horizontal slip, 4 inboard springs 5 of main shaft can promote connecting rod 2 and slide to the left side, thereby can make the tooth's socket of bevel gear main part 1 one side and the tooth's socket that corresponds drive gear paste tightly, and when main shaft 4 produced slight left right shift, connecting rod 2 still can horizontal slip make the tooth's socket of bevel gear main part 1 one side paste tightly with the tooth's socket that corresponds drive gear, this gear can the clearance between the automatic adjustment gear realize stable transmission when using, it is more convenient during the use.

Wherein, the equal fixed symmetry in bar inslot side on the 4 outer walls of main pivot is provided with adhesive tape 6 of two rectangular shapes, and fixture block 3 can and adhesive tape 6 in close contact with when main pivot 4 is rotatory, and when main pivot 4 produced rotatoryly, adhesive tape 6 in the 4 outside bar grooves of main pivot can contact with fixture block 3 in the 2 outsides of connecting rod, consequently can improve frictional force and avoid connecting rod 2 oneself horizontal slip, drive connecting rod 2 and bevel gear main part 1 horizontal rotation simultaneously and accomplish the transmission.

The specific use mode and function of the embodiment are as follows:

in the utility model, the main rotating shaft 4 is fixed through the bearing during installation, at the moment, the spring 5 inside the main rotating shaft 4 can push the connecting rod 2 to slide leftwards, so that the tooth space of one side of the bevel gear body 1 can be closely attached to the tooth space of the corresponding transmission gear, and when the main rotating shaft 4 generates slight left-right displacement, the connecting rod 2 still slides left and right to make the tooth socket at one side of the bevel gear body 1 tightly attached to the tooth socket of the corresponding transmission gear, meanwhile, when the main rotating shaft 4 rotates, the adhesive tape 6 in the strip groove at the outer side of the main rotating shaft 4 contacts with the clamping block 3 at the outer side of the connecting rod 2, so that the friction force can be improved to avoid the left and right sliding of the connecting rod 2, drive connecting rod 2 and bevel gear main part 1 simultaneously and control the rotation and accomplish the transmission, this gear can the clearance between the automatic adjustment gear realize stable transmission when using, and is more convenient during the use.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a clearance automatic adjustment formula gear for high accuracy transmission which characterized in that: comprises a main rotating shaft (4); a connecting rod (2) is embedded into the left side of the main rotating shaft (4) in a sliding manner; the left side of the connecting rod (2) is fixedly connected with a bevel gear body (1); the outer side of the connecting rod (2) is also fixedly and symmetrically connected with two clamping blocks (3); and a spring (5) is embedded and mounted on the inner side of the main rotating shaft (4).

2. The automatic backlash take-up gear for high precision transmissions of claim 1, wherein: one side of the main rotating shaft (4) is fixedly provided with a cylindrical groove, and the connecting rod (2) is embedded in the cylindrical groove and can slide left and right in the cylindrical groove.

3. The automatic backlash take-up gear for high precision transmissions of claim 1, wherein: the fixed symmetry in the outside of main pivot (4) is provided with two bar grooves, and two fixture blocks (3) in connecting rod (2) outside are located these two bar grooves respectively.

4. The automatic backlash take-up gear for high precision transmissions of claim 1, wherein: the width in the bar groove in main pivot (4) outside is greater than the thickness of fixture block (3) in the connecting rod (2) outside, and when spring (5) promoted connecting rod (2) and slided to the left side, fixture block (3) also can slide left in bar inslot side.

5. The automatic backlash take-up gear for high precision transmissions of claim 1, wherein: the strip-shaped groove inner side on the outer wall of the main rotating shaft (4) is fixedly and symmetrically provided with two strip-shaped adhesive tapes (6), and the clamping block (3) can be in close contact with the adhesive tapes (6) when the main rotating shaft (4) rotates.