CN210531552U

CN210531552U - Adjusting gear with changeable tooth number

Info

Publication number: CN210531552U
Application number: CN201920804786.0U
Authority: CN
Inventors: 刘景春
Original assignee: Tianjin Hehui Technology Development Co Ltd
Current assignee: Tianjin Hehui Technology Development Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-05-15
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a can change adjusting gear of number of teeth, including the circle box body, the annular lateral wall that the circle box body is cake form and the circle box body is the opening, the inside equidistance welding that encircles of circle box body has the slide rail, the inboard laminating of slide rail is provided with the end that slide bar and slide bar are close to circle box body central point and puts and passes through the pulley handing-over in the slide rail, the slide bar has the tooth piece at the fixed welding of end department that is close to the outside of circle box body, and the tooth piece is convenient along with the slide bar slides in the roll-off from the circle box body, conveniently adjusts effective number of. The utility model discloses a rotatory round box body outside corresponds the screw thread ejector pin that the position continuity distributes and rotates towards the inboard of round box body to the fixed block is moved in the top and slides along the spliced pole, then the fixed block just passes through ejector pin roof pressure gangbar, makes the gangbar promote the slide bar and slide to the outside of the round box body along the inside slide rail of round box body, thereby makes the tooth piece of slide bar end department release, exposes in the outside tooth piece quantity of round box body just for effective number of teeth, and the person of facilitating the use adjusts as required.

Description

Adjusting gear with changeable tooth number

Technical Field

The utility model relates to the technical field of gears, specifically be a can change adjusting gear of number of teeth.

Background

The gear is a mechanical element with teeth on a rim, which can be continuously meshed to transmit motion and power, and is a toothed mechanical part which can be meshed with each other, and the gears are sometimes used according to different motion effects needing to be transmitted, wherein the gears with different effective teeth numbers are adopted;

the disadvantages of the general gear are that: the number of teeth of general gear is fixed unchangeable, can't carry out the regulation of number of teeth, realizes different transmission motion effects as needs, can need the gear to have different effective teeth number, can only directly change the gear that has corresponding effective teeth number under the general condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can change adjusting gear of number of teeth to the number of teeth that provides general gear among the solution above-mentioned background art all is fixed unchangeable, can't carry out the regulation of the number of teeth, realizes different transmission motion effects when needs, can need the gear to have different effective number of teeth, can only directly change the problem that has the gear of corresponding effective number of teeth under the general condition.

In order to achieve the above object, the utility model provides a following technical scheme: an adjusting gear capable of changing the number of teeth comprises a round box body, wherein the round box body is in a round cake shape, the annular side wall of the round box body is an opening, a sliding rail is welded around the inner side of the round box body in an equidistance mode, a sliding rod is arranged on the inner side of the sliding rail in a laminating mode, the end, close to the center position of the round box body, of the sliding rod is connected in the sliding rail through a pulley, a tooth block is fixedly welded at the end, close to the outer portion of the round box body, of the sliding rod, the tooth block conveniently slides in and slides out of the round; the round box is characterized in that a connecting column is horizontally and fixedly welded on the outer side of the center of the right side plate of the round box, an annular opening is formed in the side plate of the round box in the position of the connecting column in a surrounding mode, a round block is fixedly welded at the right end of the connecting column, threaded ejector rods are screwed on the edge of the round block at equal intervals in a surrounding mode through threads, the threaded ejector rods correspond to sliding rods one by one, a rotating shaft is horizontally and fixedly connected at the left end of each threaded ejector rod, a fixed block is rotatably connected to the tail end of the rotating shaft, and when the threaded ejector rods rotate to transversely drive the fixed block to move, the rotating shaft facilitates the fixed; the fixed welding of left side level of fixed block has the ejector pin, the end that has gangbar and gangbar through hinge activity handing-over of the left end of ejector pin passes the annular mouth, and the gangbar end corresponds the inboard end of connecting the slide bar through the hinge activity simultaneously, and when the screw ejector pin that corresponds the position moved to the inboard rotary motion of circle box body, the ejector pin promoted the slide bar through the gangbar and slided to the outside of the circle box body along the slide rail to release the tooth piece, realize the number of teeth and adjust.

Preferably, the slide has all been seted up to the both sides inner wall of slide rail, all fixed welding has gleitbretter and gleitbretter slide card to put in the slide on the both sides wall of slide bar.

Preferably, the outer end face of the slip sheet is uniformly coated with a smoothing agent.

Preferably, an elastic telescopic rod is fixedly welded between the sliding sheet and the sliding rod.

Preferably, the outer side wall of the connecting column is provided with sliding grooves around the outer side wall at equal intervals, and the fixing blocks are connected in the sliding grooves through sliding blocks.

Preferably, the outer wall of the round box body at the position of the annular opening is fixedly welded with an annular cylinder and the annular cylinder, fixing bolts are screwed on the annular cylinder and the annular cylinder in an equidistance surrounding mode through threads, and the bolt holes formed in the fixing blocks and provided with the bolt holes and the fixing blocks correspond to the fixing bolts.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a rotatory round box body outside corresponds the screw thread ejector pin that the position continuity distributes and rotates towards the round box body inboard, thereby push away the fixed block and slide along the spliced pole, then the fixed block just pushes up the gangbar through the ejector pin, make the gangbar promote the slide bar slide to the outside side of round box body along the slide rail inside the round box body, thereby make the tooth piece release of slide bar end, the tooth piece quantity that exposes outside the round box body just is effective number of teeth, the person of facilitating the use adjusts as required;

2. the utility model discloses at the fixed block along spliced pole cunning to the circle box body for during tooth piece roll-off circle box body, fixing bolt just in time faces the bolt hole on the fixed block, then with the bolt rotation advance bolt hole on the fixed block, strengthen the steadiness of fixed block.

Drawings

FIG. 1 is a schematic view of an overall structure of an adjusting gear with changeable teeth number according to the present invention;

fig. 2 is a schematic view of the position distribution of the slide rails in the adjusting gear with changeable tooth number in the round box body according to the present invention;

fig. 3 is a top view structural diagram of the sliding rod and the sliding rail connection in the adjusting gear with changeable number of teeth of the present invention.

In the figure: 1. a round box body; 2. a slide bar; 3. sliding blades; 4. a tooth block; 5. a slide rail; 6. an annular mouth; 7. a linkage rod; 8. an annular cylinder; 9. fixing the bolt; 10. connecting columns; 11. a chute; 12. a top rod; 13. a fixed block; 14. a threaded ejector rod; 15. a round block; 16. a rotating shaft; 17. an elastic telescopic rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an adjusting gear capable of changing the number of teeth comprises a round box body 1, wherein the round box body 1 is in a round cake shape, the annular side wall of the round box body 1 is an opening, slide rails 5 are welded around the inside of the round box body 1 at equal intervals, slide rods 2 are arranged on the inner sides of the slide rails 5 in a fit mode, the ends, close to the center of the round box body 1, of the slide rods 2 are connected in the slide rails 5 through pulleys, tooth blocks 4 are fixedly welded at the ends, close to the outside of the round box body 1, of the slide rods 2, the tooth blocks 4 can conveniently slide in and out along with the slide rods 2 from the round box; a connecting column 10 is horizontally and fixedly welded on the outer side of the center position of the right side plate of the round box body 1, an annular opening 6 is arranged on the side plate of the round box body 1 at the position of the connecting column 10 in a surrounding mode, a round block 15 is fixedly welded at the right end of the connecting column 10, thread ejector rods 14 are screwed on the edge of the round block 15 at equal intervals in a surrounding mode through threads, the thread ejector rods 14 correspond to the slide rods 2 one by one, a rotating shaft 16 is horizontally and fixedly connected at the left end of the thread ejector rod 14, a fixed block 13 is connected to the tail end of the rotating shaft 16 in a rotating mode, and when the thread ejector rod 14 rotates to transversely drive the fixed block 13 to move, the rotating shaft; the fixed welding of left side level of fixed block 13 has ejector pin 12, and the left end of ejector pin 12 has articulated gangbar 7 and the end of gangbar 7 passes annular mouth 6 through the hinge activity, and the inboard end of connecting slide bar 2 through the hinge activity correspondence simultaneously at the end of gangbar 7, when the screw ejector pin 14 of corresponding position to the inboard swivelling movement of circle box body 1, ejector pin 12 promotes slide bar 2 through gangbar 7 and slides to the circle box body 1 outside along slide rail 5 to release tooth piece 4, realize the number of teeth and adjust.

The inner walls of two sides of the sliding rail 5 are respectively provided with a slideway 18, two side walls of the sliding rod 2 are respectively fixedly welded with a sliding vane 3, the sliding vane 3 is slidably clamped in the slideway 18, and the sliding vane 3 is connected with the slideway 18 in a matching way, so that the sliding rod 2 can stably slide in the sliding rail 5; the outer end face of the sliding sheet 3 is uniformly coated with a smoothing agent for improving the smoothness of the outer end face of the sliding sheet 3, so that the sliding sheet 3 can conveniently slide in the slide way 18; an elastic telescopic rod 17 is fixedly welded between the sliding piece 3 and the sliding rod 2, and the elastic telescopic rod 17 is convenient for the sliding piece 3 to keep in contact with the slide way 18 when the width of the inner side of the sliding rail 5 changes; the outer side wall of the connecting column 10 is provided with sliding grooves 11 at equal intervals in a surrounding manner, the fixed blocks 13 are connected in the sliding grooves 11 through sliding blocks, and the sliding grooves 11 facilitate the stable sliding of the fixed blocks 13 with the ejector rods 12; the outer wall of the round box body 1 at the position of the annular opening 6 is welded with the annular cylinder 8 and the annular cylinder 8 in an encircling mode through threads, the fixing bolts 9 are screwed around the annular cylinder 8 and are equidistantly arranged in a surrounding mode, the bolt holes for the bolt holes and the fixing blocks 13 are formed in the fixing blocks 13 and correspond to the fixing bolts 9, the fixing blocks 13 slide to the round box body 1 along the connecting columns 10, the tooth blocks 4 slide out of the round box body 1, the fixing bolts 9 just face the bolt holes in the fixing blocks 13, then the fixing bolts 9 are screwed into the bolt holes in the fixing blocks 13, and stability of the fixing blocks 13 is improved.

The working principle is as follows: the utility model discloses a screw thread ejector pin 14 that corresponds position continuity and distributes in the 1 outside of rotatory circle box body rotates to 1 inboard of circle box body, thereby the top is moved fixed block 13 and is slided along spliced pole 10, then fixed block 13 just passes through ejector pin 12 roof pressure gangbar 7, make gangbar 7 promote slide bar 2 and slide to 1 outside of circle box body along the slide rail 5 of 1 inside of circle box body, thereby make the tooth piece 4 of 2 end departments of slide bar release, the tooth piece 4 quantity that exposes in 1 outside of circle box body just is effective number of teeth, the person of facilitating the use adjusts as required, slide to circle box body 1 along spliced pole 10 at fixed block 13 simultaneously, when making 4 roll-off circle box body 1 of tooth piece, fixing bolt 9 just in time faces the bolt hole on fixed block 13, then rotate fixing bolt 9 into the bolt hole on fixed block 13, strengthen the steadiness of fixed block 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can change adjusting gear of number of teeth, includes round box body (1), its characterized in that: the round box body (1) is a round cake shape, the annular side wall of the round box body (1) is an opening, a sliding rail (5) is arranged in the round box body (1) in an encircling mode around an equal distance, the inner side of the sliding rail (5) is attached to a sliding rod (2) and the end of the sliding rod (2) close to the central position of the round box body (1) is connected in the sliding rail (5) in a sliding mode, a tooth block (4) is fixedly arranged at the end part close to the outer part of the round box body (1) in the sliding mode, a connecting column (10) is horizontally and fixedly arranged on the outer side of the central position of the right side plate of the round box body (1), an annular opening (6) is arranged on the side plate of the round box body (1) at the position of the connecting column (10) in an encircling mode, a round block (15) is fixedly arranged at the right end part of the connecting column (10) and a round block (15) is, the horizontal rigid coupling of left end department of screw thread ejector pin (14) has pivot (16), the end of pivot (16) is rotated and is provided with fixed block (13), the left side level of fixed block (13) is fixed and is provided with ejector pin (12), the end that the left end activity of ejector pin (12) was provided with gangbar (7) and gangbar (7) passes annular mouth (6), and the inboard end of connecting slide bar (2) is corresponding in the end activity of gangbar (7) simultaneously.

2. An adjustable gear with a changeable number of teeth as set forth in claim 1, wherein: slide (18) have all been seted up to the both sides inner wall of slide rail (5), all fixedly on the both sides wall of slide bar (2) be provided with gleitbretter (3) and gleitbretter (3) slide card and put in slide (18).

3. An adjustable gear with a changeable number of teeth as defined in claim 2, wherein: and a smoothing agent is uniformly coated on the outer end surface of the sliding sheet (3).

4. An adjustable gear with a changeable number of teeth as defined in claim 3, wherein: an elastic telescopic rod (17) is fixedly welded between the sliding sheet (3) and the sliding rod (2).

5. An adjustable gear with a changeable number of teeth as set forth in claim 1, wherein: the outer side wall of the connecting column (10) is provided with sliding grooves (11) at equal intervals in a surrounding manner, and the fixing blocks (13) are connected in the sliding grooves (11) in a sliding manner.

6. An adjustable gear with a changeable number of teeth as set forth in claim 1, wherein: the circular box body (1) outer wall of ring mouth (6) position goes up to encircle fixed welding and has connect fixing bolt (9) through the screw thread around the equidistance soon on annular section of thick bamboo (8) and the annular section of thick bamboo (8), the bolt hole of seting up bolt hole and fixed block (13) on fixed block (13) corresponds each other with fixing bolt (9) and exists.