Gear with telescopic teeth

Abstract

The utility model is suitable for the technical field of gears, and provides a gear with telescopic teeth, which comprises a gear disc provided with a plurality of rectangular sliding holes; the plurality of accommodating grooves are respectively formed in the plurality of rectangular sliding holes; the annular groove is formed in the gear disc; the multiple telescopic tooth mechanisms are arranged on the multiple rectangular sliding holes correspondingly, and the multiple telescopic tooth mechanisms are used for conducting telescopic adjustment on the multiple tooth bodies; the transmission mechanism is arranged on the gear disc and used for enabling the multiple rotating rods to rotate at the same time. According to the gear with the telescopic teeth, the multiple teeth on the gear can be synchronously adjusted in a telescopic mode, the gear can meet the meshing requirements under different conditions, operation is convenient, and practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of gears, and in particular relates to a gear with retractable teeth. Background Art

[0002] Gears are mechanical components with teeth on the wheel rim that can continuously mesh to transmit motion and power. The application of gears in transmission has appeared very early. With the development of production, the smoothness of gear operation has been paid attention to.

[0003] However, the multiple teeth on the existing gears are often unable to be telescopically adjusted, and therefore cannot be adapted to the meshing requirements in different situations. Utility Model Content

[0004] The utility model provides a gear with telescopic teeth, aiming to solve the problem in the above background technology that multiple teeth on the existing gears are often unable to be telescopically adjusted and unable to meet the meshing requirements in different situations.

[0005] To solve the above problems, the utility model is implemented as follows: a gear with retractable teeth, comprising: a gear plate with multiple rectangular sliding holes; multiple accommodating grooves respectively provided on the multiple rectangular sliding holes; an annular groove provided on the gear plate; multiple retractable tooth mechanisms respectively provided on the multiple rectangular sliding holes, the multiple retractable tooth mechanisms being used to retract and adjust multiple tooth bodies; a transmission mechanism provided on the gear plate, the transmission mechanism being used to rotate multiple rotating rods simultaneously.

[0006] Preferably, the telescopic tooth mechanism includes: a rectangular rod slidably mounted on the inner wall of the rectangular sliding hole; a screw hole opened at one end of the rectangular rod; a tooth body fixedly mounted at one end of the rectangular rod; a rotating rod rotatably mounted on the inner wall of the rectangular sliding hole; and a stud fixedly mounted at one end of the rotating rod and threadedly connected to the inner wall of the screw hole.

[0007] Preferably, a plurality of limiting grooves are formed on the inner wall of the rectangular sliding hole, a plurality of limiting blocks are fixedly mounted on the rectangular rod, and the plurality of limiting blocks are slidably connected to the inner walls on both sides of the plurality of limiting grooves respectively.

[0008] Preferably, the transmission mechanism includes: a plurality of rotating shafts respectively rotatably mounted on the inner walls of the plurality of rectangular sliding holes and extending to the inside of the annular groove; a plurality of driving bevel gears respectively fixedly mounted on one end of the plurality of rotating shafts; a plurality of driven bevel gears respectively fixedly sleeved on the plurality of rotating rods and respectively meshed with the plurality of driving bevel gears; and a plurality of micro gears respectively fixedly sleeved on the plurality of rotating shafts and meshed with each other.

[0009] Preferably, a hexagonal block is fixedly mounted on one end of one of the rotating shafts, and a cross slot is formed on the hexagonal block.

[0010] Preferably, the gear plate is provided with a plurality of mounting holes, the annular groove is provided with an annular baffle plate, a plurality of connecting plates are fixedly mounted on the annular baffle plate, the plurality of connecting plates are provided with screws, and the plurality of screws are respectively threadedly connected to the inner walls of the plurality of mounting holes.

[0011] Preferably, a circular operating hole is provided on the annular baffle, and the opening position of the circular operating hole corresponds to the hexagonal block.

[0012] Compared with the related art, the gear with retractable teeth provided by the utility model has the following beneficial effects:

[0013] Compared with the prior art, the gear with retractable teeth provided by the present solution comprises a gear plate, on which a plurality of rectangular sliding holes are provided, each of which is provided with a receiving groove, and these receiving grooves are used to receive the tooth body. In addition, an annular groove is provided on the gear plate for installing a plurality of micro gears, and a plurality of retractable tooth mechanisms are respectively provided on the plurality of rectangular sliding holes, and the main function of these retractable tooth mechanisms is to retract and adjust the plurality of tooth bodies. Through the operation of the retractable tooth mechanisms, the gear can be adapted to the meshing requirements under different circumstances. In order to realize the simultaneous retractable adjustment of a plurality of teeth, a transmission mechanism is also designed in the invention, and this transmission mechanism is installed on the gear plate, and transmits power to a plurality of retractable tooth mechanisms, thereby ensuring that they can perform retractable actions synchronously. In particular, the design of the transmission mechanism enables a plurality of rotating rods to rotate simultaneously, thereby driving the corresponding retractable tooth mechanisms to retract the teeth.

[0014] The beneficial effects of the present invention are mainly reflected in the following aspects: first, through the telescopic adjustment of the teeth, the gear can be adapted to the meshing requirements in different situations, thereby increasing the flexibility and adaptability of the gear system; second, the design of the transmission mechanism ensures that multiple teeth can be telescoped synchronously, thereby ensuring the stability and reliability of the gear transmission; finally, the design also has the advantages of simple structure and easy operation, and is easy to promote and use in practical applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a gear with retractable teeth provided by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the front appearance structure;

[0017] Figure 3 for Figure 1A schematic diagram of the front appearance structure;

[0018] Figure 4 for Figure 1 Schematic diagram of the three-dimensional assembly structure of the middle teeth and the rectangular rod;

[0019] Figure 5 for Figure 1 Schematic diagram of the enlarged structure of part A shown in FIG.

[0020] Figure numerals: 1, gear plate; 2, rectangular sliding hole; 3, receiving groove; 4, annular groove; 5, rectangular rod; 6, screw hole; 7, tooth body; 8, rotating rod; 9, stud; 10, limit groove; 11, limit block; 12, rotating shaft; 13, driving bevel gear; 14, driven bevel gear; 15, micro gear; 16, hexagonal block; 17, cross groove; 18, mounting hole; 19, annular baffle; 20, connecting plate; 21, screw; 22, circular operating hole. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] The present invention provides a gear with retractable teeth. Figure 1-5As shown, the gear with retractable teeth includes: a gear plate 1 with a plurality of rectangular sliding holes 2; a plurality of accommodating grooves 3 respectively provided on the plurality of rectangular sliding holes 2; an annular groove 4 provided on the gear plate 1; a plurality of retractable tooth mechanisms respectively provided on the plurality of rectangular sliding holes 2, the plurality of retractable tooth mechanisms being used to retract and adjust a plurality of tooth bodies 7; and a transmission mechanism provided on the gear plate 1, the transmission mechanism being used to rotate a plurality of rotating rods 8 simultaneously.

[0024] In this embodiment, a gear plate 1 is provided with a plurality of rectangular sliding holes 2, each of which is provided with a receiving groove 3 for receiving a tooth body 7. In addition, an annular groove 4 is provided on the gear plate 1 for installing a plurality of micro gears 15. A plurality of telescopic tooth mechanisms are respectively provided on the plurality of rectangular sliding holes 2. The main function of these telescopic tooth mechanisms is to perform telescopic adjustment on the plurality of tooth bodies 7. Through the operation of the telescopic tooth mechanisms, the gear can be adapted to the meshing requirements under different circumstances. In order to realize the simultaneous telescopic adjustment of a plurality of teeth, a transmission mechanism is also designed in the invention. The transmission mechanism is installed on the gear plate 1, and transmits power to the plurality of telescopic tooth mechanisms, thereby ensuring that they can perform telescopic actions synchronously. In particular, the design of the transmission mechanism enables a plurality of rotating rods 8 to rotate simultaneously, thereby driving the corresponding telescopic tooth mechanisms to perform telescopic adjustment of the teeth.

[0025] The beneficial effects of the present invention are mainly reflected in the following aspects: first, through the telescopic adjustment of the teeth, the gear can be adapted to the meshing requirements in different situations, thereby increasing the flexibility and adaptability of the gear system; second, the design of the transmission mechanism ensures that multiple teeth can be telescoped synchronously, thereby ensuring the stability and reliability of the gear transmission; finally, the design also has the advantages of simple structure and easy operation, and is easy to promote and use in practical applications.

[0026] In a further preferred embodiment of the utility model, the telescopic tooth mechanism includes: a rectangular rod 5 slidably mounted on the inner wall of the rectangular sliding hole 2; a screw hole 6 opened at one end of the rectangular rod 5; a tooth body 7 fixedly mounted at one end of the rectangular rod 5; a rotating rod 8 rotatably mounted on the inner wall of the rectangular sliding hole 2; and a stud 9 fixedly mounted at one end of the rotating rod 8 and threadedly connected to the inner wall of the screw hole 6.

[0027] In this embodiment, the rectangular rod 5 and the tooth body 7 can be extended and retracted by driving the screw 9 to rotate on the inner wall of the screw hole 6 by rotating the rod 8 .

[0028] In a further preferred embodiment of the utility model, a plurality of limit grooves 10 are opened on the inner wall of the rectangular sliding hole 2, and a plurality of limit blocks 11 are fixedly installed on the rectangular rod 5, and the plurality of limit blocks 11 are slidably connected to the inner walls on both sides of the plurality of limit grooves 10 respectively.

[0029] In this embodiment, the plurality of rectangular rods 5 can be guided and limited by the plurality of limiting blocks 11 sliding on the inner walls of the plurality of limiting grooves 10 .

[0030] In a further preferred embodiment of the utility model, the transmission mechanism includes: a plurality of rotating shafts 12 respectively rotatably mounted on the inner walls of the plurality of rectangular sliding holes 2 and extending to the inside of the annular groove 4; a plurality of driving bevel gears 13 respectively fixedly mounted on one end of the plurality of rotating shafts 12; a plurality of driven bevel gears 14 respectively fixedly sleeved on the plurality of rotating rods 8 and respectively meshed with the plurality of driving bevel gears 13; and a plurality of micro gears 15 respectively fixedly sleeved on the plurality of rotating shafts 12 and meshed with each other.

[0031] In this embodiment, the plurality of rotating shafts 12 can be rotated simultaneously through the plurality of micro gears 15 , and the plurality of rotating shafts 12 drive the plurality of rotating rods 8 to rotate through the plurality of driving bevel gears 13 and the plurality of driven bevel gears 14 .

[0032] In a further preferred embodiment of the present invention, a hexagonal block 16 is fixedly mounted on one end of one of the rotating shafts 12 , and a cross slot 17 is formed on the hexagonal block 16 .

[0033] In this embodiment, the rotating shaft 12 can be driven to rotate by the hexagonal block 16 , and the hexagonal block 16 can be twisted by a cross screw through the cross slot 17 .

[0034] In a further preferred embodiment of the utility model, a plurality of mounting holes 18 are provided on the gear plate 1, an annular baffle 19 is provided on the annular groove 4, a plurality of connecting plates 20 are fixedly mounted on the annular baffle 19, a plurality of connecting plates 20 are provided with screws 21, and the plurality of screws 21 are respectively threadedly connected to the inner walls of the plurality of mounting holes 18.

[0035] In this embodiment, the annular groove 4 can be shielded by the annular baffle 19, and the annular baffle 19 can be fixed to the annular groove 4 by a plurality of connecting plates 20 and a plurality of screws 21, thereby preventing the annular baffle 19 from falling off.

[0036] In a further preferred embodiment of the present invention, a circular operating hole 22 is formed on the annular baffle 19 , and the opening position of the circular operating hole 22 corresponds to the hexagonal block 16 .

[0037] In this embodiment, the circular operating hole 22 allows the operator to rotate the hexagonal block 16 through the annular baffle 19 .

[0038] In summary, compared with the related art, the present gear can perform synchronous telescopic adjustment on multiple teeth thereon, can be adapted to the meshing requirements in different situations, is relatively easy to operate, and is highly practical.

[0039] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0040] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A gear with retractable teeth, characterized in that: include: A gear plate with a plurality of rectangular sliding holes; A plurality of receiving grooves are respectively provided on the plurality of rectangular sliding holes; An annular groove is provided on the gear plate; A plurality of telescopic tooth mechanisms are respectively arranged on the plurality of rectangular sliding holes, and the plurality of telescopic tooth mechanisms are used to perform telescopic adjustment on the plurality of tooth bodies; A transmission mechanism is arranged on the gear plate, and the transmission mechanism is used to make a plurality of rotating rods rotate simultaneously.

2. The gear with retractable teeth as claimed in claim 1, characterized in that: The telescopic tooth mechanism comprises: A rectangular rod slidably mounted on the inner wall of the rectangular sliding hole; A screw hole is provided at one end of the rectangular rod; A tooth body fixedly mounted on one end of the rectangular rod; Rotate a rotating rod installed on the inner wall of the rectangular sliding hole; A stud fixedly mounted at one end of the rotating rod and threadedly connected to the inner wall of the screw hole.

3. The gear with retractable teeth as claimed in claim 2, characterized in that: A plurality of limiting grooves are formed on the inner wall of the rectangular sliding hole, a plurality of limiting blocks are fixedly mounted on the rectangular rod, and the plurality of limiting blocks are respectively slidably connected to the inner walls on both sides of the plurality of limiting grooves.

4. The gear with retractable teeth as claimed in claim 2, characterized in that: The transmission mechanism comprises: A plurality of rotating shafts rotatably mounted on the inner walls of the plurality of rectangular sliding holes and extending to the inside of the annular groove; Active bevel gears fixedly mounted on one end of each of the plurality of rotating shafts; A plurality of driven bevel gears respectively fixedly sleeved on the plurality of rotating rods and respectively meshed with the plurality of driving bevel gears; A plurality of micro gears are respectively fixedly sleeved on the plurality of rotating shafts and meshed with each other.

5. The gear with retractable teeth as claimed in claim 4, characterized in that: A hexagonal block is fixedly mounted on one end of one of the rotating shafts, and a cross slot is provided on the hexagonal block.

6. The gear with retractable teeth as claimed in claim 5, characterized in that: The gear plate is provided with a plurality of mounting holes, the annular groove is provided with an annular baffle plate, a plurality of connecting plates are fixedly mounted on the annular baffle plate, a plurality of connecting plates are provided with screws, and the plurality of screws are respectively threadedly connected with the inner walls of the plurality of mounting holes.

7. The gear with retractable teeth as claimed in claim 6, characterized in that: A circular operating hole is provided on the annular baffle, and the opening position of the circular operating hole corresponds to the hexagonal block.

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