A gear box structure

Abstract

The present invention discloses a gearbox structure, including an input transmission assembly and a gearbox; the gearbox includes a base, a transmission tooth, a support shaft, an inner gear ring, a gear frame, a first gear, a wheel frame tooth, a second gear, an output tooth and a housing; the base is placed on the input transmission assembly; the transmission tooth is placed on the base and meshed with the input transmission assembly; the support shaft is placed on the top of the base; the output tooth, the wheel frame tooth and the inner gear ring are placed on the support shaft from top to bottom in sequence, the gear frame is placed on the inner gear ring, the first gear is placed on the gear frame, and the inner gear ring is meshed with the transmission tooth and the first gear respectively; the second gear is placed on the output tooth and meshed with the wheel frame tooth; the housing is sleeved on the output tooth, the gear frame, the inner gear ring and the base, and meshed with the first gear and the second gear respectively. The present invention solves the problem of the output tooth front side being forced to squeeze the internal gear by the support shaft to support the output tooth, and the transmission efficiency is high.

Description

Technical Field

[0001] The invention relates to the field of mechanical transmission design, and in particular to a gear box structure. Background Art

[0002] With the continuous development of science and technology, the development of mechanical transmission technology has been promoted. At present, gear transmission is the most widely used in mechanical transmission, and gearboxes can be designed and manufactured based on the principle of gear transmission. Because it adopts gear transmission, this gearbox will have the advantages of compact structure, precise transmission, reliable operation, and long service life. However, due to the design defects of existing gearboxes, the output teeth of the gearbox will be squeezed to the internal gears when they are subjected to positive force during operation, resulting in obstruction of the gear transmission inside the gearbox, reducing the transmission efficiency and poor transmission effect.

[0003] Therefore, the prior art has defects and needs to be improved. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a gear box structure.

[0005] The technical solution of the present invention is as follows:

[0006] A gearbox structure, including an input transmission component and a gearbox, the gearbox is meshed and connected to the output end of the input transmission component, the input transmission component includes a motor and motor teeth connected to the output end of the motor; the gearbox includes a base, transmission teeth, a support shaft, an inner gear ring, a gear frame, a plurality of first gears, wheel frame teeth, a plurality of second gears, output teeth and a housing; the base is arranged on the motor above the motor teeth, the base is provided with a first tooth groove, the transmission teeth are rotatably arranged in the first tooth groove, and the transmission teeth are meshed and connected with the motor teeth; the support shaft is rotatably arranged on the top of the base, the inner gear ring is arranged on the support shaft above the base, the gear frame is arranged above the inner gear ring, and the gear frame is arranged on A plurality of second tooth grooves are arranged, each of which is provided with a rotatable first gear, and the inner gear ring is respectively meshed with the transmission gear and the first gear; the output gear and the wheel frame gear are sequentially arranged on the support shaft from top to bottom above the inner gear ring, and the support shaft supports the output gear, and a plurality of third tooth grooves are arranged on the output gear, each of which is provided with a rotatable second gear, and the wheel frame gear is meshed with the second gear; the housing is sequentially sleeved on the output gear, the gear frame, the inner gear ring and the base from top to bottom, and a circle of teeth is respectively provided on the positions of the housing corresponding to the first gear and the second gear, and the housing is respectively meshed with the first gear and the second gear through its own teeth to realize gear shifting.

[0007] Preferably, the gearbox also includes a positioning block and a sleeve; a positioning groove is provided on the top of the base, the positioning block is arranged in the positioning groove, and the support shaft is rotatably arranged on the positioning block; the sleeve is arranged on the output tooth above the second gear to avoid direct contact between the output tooth and the box body.

[0008] Preferably, the lower part of the box body is respectively provided with a plurality of card slots, and correspondingly, the base is respectively provided with a card block for cooperating with the card slot at the position corresponding to each card slot, and the box body and the base are detachably connected by the card slots and the card blocks.

[0009] Preferably, the upper part of the box body is respectively provided with a plurality of positioning grooves; the plurality of positioning grooves are used to form four-side positioning, playing a positioning role.

[0010] Preferably, a plurality of screw locking holes are respectively provided on the upper portion of the box body.

[0011] Preferably, the first gear is a planetary gear, and correspondingly, the gear carrier is a planetary wheel carrier.

[0012] Preferably, the second gear is a planetary gear.

[0013] Preferably, the base is fixed on the motor by a plurality of screws.

[0014] Preferably, a plurality of positioning ears are provided on the side walls of the base.

[0015] Preferably, the bushing is a copper bushing.

[0016] By adopting the above scheme, the present invention has the following beneficial effects:

[0017] 1. The design of supporting the output gear with the support shaft effectively solves the problem of the output gear front being squeezed by the internal gear of the gearbox. The gear transmission is not restricted, which improves the transmission efficiency, has good transmission effect, and is exquisitely designed, which is worthy of vigorous promotion by the society.

[0018] 2. Adopt closed transmission to ensure that the transmission environment is always closed, thereby ensuring good lubrication and making the gearbox more durable;

[0019] 3. The application of positioning grooves and positioning ears in the preferred solution plays a good positioning role, while the application of locking screw holes avoids additional drilling and makes installation more convenient;

[0020] 4. In the preferred solution, the gear rack adopts an integrated structure, which takes up less space and runs more smoothly, and can effectively reduce the noise generated by the operation of the equipment;

[0021] 5. The single-tooth transmission design in which the motor teeth drive the transmission teeth in the preferred solution is conducive to reducing costs and improving transmission efficiency;

[0022] 6. The application of the copper bushing in the preferred solution can effectively prevent the output gear from contacting the housing, has good wear resistance, and can also ensure that the outer diameter of the output gear will not expand. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0024] Figure 1 It is a three-dimensional structural diagram of the present invention;

[0025] Figure 2 A top view of the structure of the present invention;

[0026] Figure 3 for Figure 2 Section view from medium AA perspective;

[0027] Figure 4 for Figure 2 Sectional view from the middle BB perspective;

[0028] Figure 5 It is an exploded schematic diagram of the structure of the present invention;

[0029] Figure 6 This is a three-dimensional structural diagram of the present invention after removing the box body;

[0030] Figure 7 This is a three-dimensional structural diagram from another angle after the box body is removed.

[0031] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0036] Reference Figures 1 to 7As shown, the present invention provides a gearbox structure, including an input transmission component and a gearbox, the gearbox is meshed and connected to the output end of the input transmission component; the input transmission component includes a motor 1 and a motor tooth 2 connected to the output end of the motor 1; the gearbox includes a base 3, a transmission tooth 4, a support shaft 5, an inner gear ring 6, a gear frame 7, three first gears 8, a wheel frame tooth 9, three second gears 10, an output tooth 11 and a box body 12; the base 3 is fixedly arranged on the motor 1 above the motor tooth 2, and a first tooth groove adapted to the transmission tooth 4 is provided on the base 3, and the transmission tooth 4 can be rotatably arranged around its own axis in the first tooth groove, and the transmission The teeth 4 are meshed and connected with the motor teeth 2, so that the motor teeth 2 can drive the transmission teeth 4 to rotate around its own axis under the drive of the motor 1; the support shaft 5 is arranged on the top of the base 3 above the first tooth groove and can rotate around its own axis, the inner gear ring 6 is arranged on the support shaft 5 above the base 3, and the gear frame 7 is arranged above the inner gear ring 6. Three second tooth grooves adapted to the first gear 8 are evenly arranged on the gear frame 7, and each of the second tooth grooves is provided with a first gear 8 that can rotate around its own axis. The inner gear ring 6 is respectively meshed and connected with the transmission teeth 4 and the three first gears 8. When in use, the inner gear ring 6 can be driven by the transmission teeth 4 The first gear 8 is driven to rotate, and the support shaft 5 rotates in the same direction as the inner gear ring 6 rotates. Specifically, the first gear 8 is a planetary gear, and correspondingly, the gear carrier 7 is a planetary wheel carrier; the output teeth 11 and the wheel carrier teeth 9 are arranged on the support shaft 5 from top to bottom above the inner gear ring 6, and three third tooth grooves adapted to the second gear 10 are evenly arranged on the output teeth 11. Each of the third tooth grooves is provided with a second gear 10 that can rotate around its own axis, and the wheel carrier teeth 9 are respectively meshed and connected with the three second gears 10. Specifically, the second gear 10 is a planetary gear. When in use, the output teeth 11 are driven by the support shaft 5 to realize rotation. 5 can play a supporting role for the output gear 11. Therefore, during the operation of the gearbox, the support shaft 5 will support the output gear 11, and then the output gear 11 will not be squeezed by the front force on the other gears inside the gearbox, and will not have an adverse effect on the transmission of the gears, thereby improving the transmission efficiency; the box body 12 is sequentially sleeved on the output gear 11, the gear frame 7, the inner gear ring 6 and the base 3 from top to bottom, so that a closed transmission can be formed after the gearbox is assembled, and the box body 12 is respectively provided with a circle of teeth at the position corresponding to the first gear 8 and the second gear 10, and the box body 12 is respectively meshed and connected with the first gear 8 and the second gear 10 through its own teeth, thereby realizing gear shifting;

[0037] Furthermore, the gearbox further comprises a positioning block 13 and a sleeve 14; a positioning groove adapted to the positioning block 13 is provided on the top of the base 3, the positioning block is arranged in the positioning groove, and the support shaft 5 can be rotatably arranged on the positioning block 13 around its own axis; the sleeve 14 is arranged on the output tooth 11 above the second gear 10, so as to avoid direct contact between the output tooth 11 and the housing 12, reduce the wear caused by the friction between the output tooth 11 and the housing 12, save costs, and fix the position of the output tooth 11, effectively reduce vibration, avoid the output tooth 11 from directional deviation due to vibration, and ensure the accuracy of transmission. Specifically, the sleeve 14 is a copper sleeve 14;

[0038] The base 3 is also provided with two screws 15, and the base 3 is fixedly arranged on the motor 1 by the two screws 15; and the side wall of the base 3 is also provided with two positioning ears 16, which play a positioning role and facilitate the installation and fixation of the gear box;

[0039] The lower part of the box body 12 is also provided with four card slots, and correspondingly, the base 3 is provided with a card block 17 for matching with the card slot at the position corresponding to each card slot, and the box body 12 and the base 3 are detachably connected by the card slots and the card block 17;

[0040] The upper part of the box body 12 is also provided with four positioning grooves 18 and four locking screw holes 19, respectively. The four positioning grooves 18 constitute four-side positioning, which plays a good positioning role, and the four locking screw holes 19 facilitate the installation and fixation of the gear box, or facilitate the installation of external equipment on the gear upward without additional drilling;

[0041] In addition, the gear rack 7 is an integrally formed one-piece structure, which takes up less space and makes a more stable sound during operation, and can effectively reduce the noise generated by the operation of the equipment.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] 1. The design of supporting the output gear with the support shaft effectively solves the problem of the output gear front being squeezed by the internal gear of the gearbox. The gear transmission is not restricted, which improves the transmission efficiency, has good transmission effect, and is exquisitely designed, which is worthy of vigorous promotion by the society.

[0044] 2. Adopt closed transmission to ensure that the transmission environment is always closed, thereby ensuring good lubrication and making the gearbox more durable;

[0045] 3. The application of positioning grooves and positioning ears in the preferred solution plays a good positioning role, while the application of locking screw holes avoids additional drilling and makes installation more convenient;

[0046] 4. In the preferred solution, the gear rack adopts an integrated structure, which takes up less space and runs more smoothly, and can effectively reduce the noise generated by the operation of the equipment;

[0047] 5. The single-tooth transmission design in which the motor teeth drive the transmission teeth in the preferred solution is conducive to reducing costs and improving transmission efficiency;

[0048] 6. The application of the copper bushing in the preferred solution can effectively prevent the output gear from contacting the housing, has good wear resistance, and can also ensure that the outer diameter of the output gear will not expand.

[0049] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A gearbox structure, comprising an input transmission assembly and a gearbox, wherein the gearbox is meshingly connected to the output end of the input transmission assembly, characterized in that: The input transmission assembly includes a motor and motor teeth connected to the output end of the motor; the gearbox includes a base, a transmission tooth, a support shaft, an inner gear ring, a gear frame, a plurality of first gears, a wheel frame tooth, a plurality of second gears, an output tooth and a box body; the base is arranged on the motor above the motor tooth, and a first tooth groove is provided on the base, the transmission tooth is rotatably arranged in the first tooth groove, and the transmission tooth is meshed and connected with the motor tooth; the support shaft is rotatably arranged on the top of the base, the inner gear ring is arranged on the support shaft above the base, the gear frame is arranged above the inner gear ring, and a plurality of second tooth grooves are arranged on the gear frame, and each of the second tooth grooves is provided with a A rotatable first gear, the inner gear ring is meshed with the transmission gear and the first gear respectively; the output gear and the wheel carrier gear are arranged on the support shaft from top to bottom above the inner gear ring, and the support shaft supports the output gear. A plurality of third tooth grooves are arranged on the output gear, and a rotatable second gear is arranged in each of the third tooth grooves, and the wheel carrier gear is meshed with the second gear; the housing is sequentially sleeved on the output gear, the gear rack, the inner gear ring and the base from top to bottom, and a circle of teeth is respectively provided at the positions of the housing corresponding to the first gear and the second gear, and the housing is meshed with the first gear and the second gear respectively through its own teeth to realize gear speed change.

2. The gearbox structure according to claim 1, characterized in that: The gearbox also includes a positioning block and a sleeve; a positioning groove is provided on the top of the base, the positioning block is arranged in the positioning groove, and the support shaft is rotatably arranged on the positioning block; the sleeve is arranged on the output tooth above the second gear to avoid direct contact between the output tooth and the box body.

3. The gearbox structure according to claim 1, characterized in that: The lower part of the box body is respectively provided with a plurality of card slots, and correspondingly, the base is respectively provided with a card block for matching with the card slot at the position corresponding to each card slot, and the box body and the base are detachably connected by the card slots and the card blocks.

4. The gearbox structure according to claim 1, characterized in that: The upper part of the box body is respectively provided with a plurality of positioning grooves; the plurality of positioning grooves are used to form four-side positioning and play a positioning role.

5. The gearbox structure according to claim 1, characterized in that: The upper part of the box body is also provided with a plurality of screw locking holes.

6. The gearbox structure according to claim 1, characterized in that: The first gear is a planetary gear, and correspondingly, the gear carrier is a planetary gear carrier.

7. The gear box structure according to claim 1, characterized in that: The second gear is a planetary gear.

8. The gearbox structure according to claim 1, characterized in that: The base is fixed on the motor by a plurality of screws.

9. The gearbox structure according to claim 1, characterized in that: A plurality of positioning ears are also arranged on the side wall of the base.

10. The gear box structure according to claim 2, characterized in that: The shaft sleeve is a copper shaft sleeve.

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