Compact transmission gear box

Abstract

The utility model provides a compact transmission gear box, and belongs to the technical field of gear boxes. Comprising a gearbox, the gearbox comprises a first shell and a second shell, the first shell is installed on the top of the second shell, and a plurality of bolts are installed at the joint of the first shell and the second shell; according to the compact transmission gear box, two lifting blocks are extruded inwards, so that clamping blocks are separated from clamping grooves, then sliding blocks slide upwards, and bottom blocks are attached to the tops of first bottom grooves; the clamping blocks extend out of the ejection grooves and are driven by the springs to be ejected outwards, so that the clamping blocks slide outwards, a user rotates the two clamping blocks, the bolts are conveniently driven to rotate through the sliding blocks and the bottom blocks, the bolts are taken down from the gearbox, the first shell and the second shell are disassembled, operation is easy, and use is convenient and fast. The gear I is meshed with the gear II, the gear III is meshed with the duplicate gear I, the duplicate gear I is meshed with the duplicate gear II, and the duplicate gear II is meshed with the gear IV, so that the gear IV drives the output shaft to rotate.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear boxes, and in particular relates to a compact transmission gear box. Background Art

[0002] Application No. 201820986847.5 provides a high-speed ratio gearbox transmission structure, including a gearbox, the gearbox is provided with an input gear shaft and a parts box, and also includes a reduction motor, the reduction motor is set to be a GKAF reduction motor, the reduction motor is provided with a hollow shaft, a flat key and an output flange, the input gear shaft is sleeved on the hollow shaft through a flat key, the gearbox is connected to the reduction motor through an input transition flange, at least one first light hole is provided on the output flange, a first threaded interface is provided on the input transition flange, the first light hole corresponds to the threaded interface, and at least one second light hole is provided on the input transition flange, and a second threaded interface is provided on the parts box. The second light hole corresponds to the second threaded interface;

[0003] However, the device and the existing planetary gearbox housing are both installed by bolts. When the inside of the gearbox needs to be inspected or parts need to be replaced, the bolts need to be removed. However, when disassembling the gearbox, disassembly tools are often required. In a more special environment, when there is a lack of disassembly tools around, it is difficult for users to disassemble the bolts of the gearbox, and the practicality is poor. Utility Model Content

[0004] In order to solve the problem of inconvenient disassembly existing in the above-mentioned prior art, the utility model provides a compact transmission gear box, which adopts a slider combined with a bottom block to achieve the effect of convenient manual disassembly of bolts, and its specific technical scheme is: a compact transmission gear box, comprising: a gear box, the gear box comprising: a shell one and a shell two, the top of the shell two is equipped with shell one, and a plurality of bolts are installed at the connection between the shell one and the shell two; a top groove is provided on the top of the bolt, a bottom groove one is provided at the bottom of the top groove, a slider is slidably connected in the top groove, a bottom block is installed at the bottom of the slider, the bottom block is slidably connected in the bottom groove one, and a lifting block is installed on the top of the slider.

[0005] Preferably, there are two lifting blocks, and the two lifting blocks are slidably connected to the top of the sliding block. Two sliding grooves are symmetrically opened on the top of the lifting block, and a second bottom groove is opened at the bottom of the sliding groove. A connecting block is slidably connected in the sliding groove, and a clamping block is slidably connected in the second bottom groove. The top of the clamping block is connected to the connecting block, and the top of the connecting block is connected to the lifting block.

[0006] Preferably, two card slots are symmetrically formed on the inner wall of the top slot, the sliders are extended from opposite ends of the two card blocks, the card blocks are adapted to the card slots, and a spring is installed between the card block and the second bottom slot.

[0007] Preferably, the rear side of the gearbox is rotatably connected to an input shaft, the front side of the gearbox is rotatably connected to an output shaft, the front side of the input shaft extends into the interior of the gearbox, and the rear side of the output shaft extends into the interior of the gearbox.

[0008] Preferably, the front outer wall of the input shaft is mounted with gear 1, the side wall of gear 1 is meshed with gear 2, the center hole of gear 2 is mounted with a rotating shaft, the front outer wall of the rotating shaft is mounted with gear 3, the side wall of gear 3 is meshed with a double gear 1, the side wall of the double gear 1 is meshed with a double gear 2, the side wall of the double gear 2 is meshed with gear 4, and gear 4 is mounted on the outer wall of the output shaft.

[0009] Preferably, the center hole of the duplex gear one is sleeved with a graphite copper sleeve one, and the center hole of the duplex gear two is sleeved with a graphite copper sleeve two.

[0010] In addition, the compact transmission gearbox in the above technical solution provided by the utility model may also have the following additional technical features: the front outer wall of the input shaft is mounted with a bearing seat 1, the rear outer wall of the rotating shaft is mounted with a bearing seat 2, the rear outer wall of the graphite copper sleeve 1 is mounted with a bearing seat 3, and the front outer wall of the graphite copper sleeve 2 is mounted with a bearing seat 4.

[0011] In the above technical solution, the bearing seat 1, the bearing seat 2, the bearing seat 3 and the bearing seat 4 are all installed on the inner bottom of the gear box.

[0012] Compared with the prior art, the compact transmission gearbox of the utility model has the following beneficial effects:

[0013] 1. The compact transmission gearbox squeezes two lifting blocks inward to make the card block disengage from the card slot, and then slides the slider upward to make the bottom block fit with the top of the bottom slot one; the card block extends out of the top slot and pops outward driven by the spring, so that the card block slides outward. The user rotates the two card blocks to drive the bolt to rotate through the slider and the bottom block, so that the bolt is removed from the gearbox, and the disassembly of the housing one and the housing two is completed. The operation is simple and convenient to use.

[0014] 2. Gear 1 is meshed with gear 2, gear 3 is meshed with double gear 1, double gear 1 is meshed with double gear 2, double gear 2 is meshed with gear 4, and then gear 4 drives the output shaft to rotate, thereby completing a large speed ratio transmission in a smaller space, which is more practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of a compact transmission gearbox provided by the utility model;

[0016] Figure 2 A schematic diagram of a first cross-sectional structure of a bolt provided by the utility model;

[0017] Figure 3 A second cross-sectional structural schematic diagram of the bolt provided by the utility model;

[0018] Figure 4 A top view of the compact transmission gearbox provided by the utility model;

[0019] in, Figures 1 to 4 The reference numerals and component names are as follows: 1, gear box, 2, housing 1, 3, housing 2, 4, bolt, 5, top groove, 6, bottom groove 1, 7, slider, 8, bottom block, 9, lifting block, 10, slide groove, 11, connecting block, 12, bottom groove 2, 13, clamping block, 14, spring, 15, clamping groove, 16, input shaft, 17, gear 1, 18, bearing seat 1, 19, gear 2, 20, rotating shaft, 21, bearing seat 2, 22, gear 3, 23, double gear 1, 24, graphite copper sleeve 1, 25, bearing seat 3, 26, double gear 2, 27, graphite copper sleeve 2, 28, bearing seat 4, 29, gear 4, 30, output shaft. DETAILED DESCRIPTION

[0020] The following is a combination of specific implementation cases and attached Figure 1-Figure 4 The utility model is further described, but the utility model is not limited to these embodiments. The utility model provides a technical solution: a compact transmission gearbox, comprising: a gearbox 1, the gearbox 1 comprising: a housing 1 2 and a housing 2 3, the housing 1 2 is installed on the top of the housing 2 3, and a plurality of bolts 4 are installed at the connection between the housing 1 2 and the housing 2 3, the bolts 4 are not only installed at the connection between the housing 1 2 and the housing 2 3, but also installed on the surface of the parts of the other connection parts of the gearbox 1, such as the surface of the flange, which is fixedly connected by the bolts 4;

[0021] A top groove 5 is provided at the top of the bolt 4, and the top groove 5 is a circular structure; a bottom groove 6 is provided at the bottom of the top groove 5, and the bottom groove 6 is a polygonal structure. A slider 7 is slidably connected in the top groove 5, and a bottom block 8 is installed at the bottom of the slider 7. The bottom block 8 has the same structure as the bottom groove 6, and the bottom block 8 is slidably connected in the bottom groove 6. When the bottom block 8 is rotated under force, the bottom groove 6 and the bottom block 8 cannot rotate relative to each other, so the bottom block 8 drives the bolt 4 to rotate; a lifting block 9 is installed on the top of the slider 7.

[0022] As a preferred solution, further, there are two lifting blocks 9, the two lifting blocks 9 are located on the same straight line, the two lifting blocks 9 are slidably connected to the top of the slider 7, two sliding grooves 10 are symmetrically opened on the top of the lifting block 9, a bottom groove 12 is opened at the bottom of the sliding groove 10, a connecting block 11 is slidably connected in the sliding groove 10, a clamping block 13 is slidably connected in the bottom groove 12, the top of the clamping block 13 is connected to the connecting block 11, and the top of the connecting block 11 is connected to the lifting block 9.

[0023] As a preferred solution, further, two card slots 15 are symmetrically opened on the inner wall of the top groove 5, and the slider 7 is extended from the opposite ends of the two card blocks 13, the card block 13 is adapted to the card slot 15, and a spring 14 is installed between the card block 13 and the bottom groove 12; when the slider 7 moves to a specific height in the top groove 5, the card block 13 is aligned with the card slot 15, and the card block 13 slides outward under the action of the spring 14, so that the card block 13 enters the card slot 15, and the slider 7 is fixed in the top groove 5.

[0024] As a preferred embodiment, further, the rear side of the gearbox 1 is rotatably connected to the input shaft 16, the front side of the gearbox 1 is rotatably connected to the output shaft 30, the front side of the input shaft 16 extends into the interior of the gearbox 1, and the rear side of the output shaft 30 extends into the interior of the gearbox 1; the input shaft 16 and the output shaft 30 are rotatably connected at the connection with the gearbox 1.

[0025] As a preferred solution, further, the front outer wall of the input shaft 16 is fitted with a gear 17, the side wall of the gear 17 is meshed with a gear 2 19, the center hole of the gear 2 19 is fitted with a rotating shaft 20, the front outer wall of the rotating shaft 20 is fitted with a gear 3 22, the side wall of the gear 3 22 is meshed with a double gear 1 23, and the gear 3 22 is meshed with the rear gear of the double gear 1 23; the side wall of the double gear 1 23 is meshed with a double gear 2 26, and the front gear of the double gear 1 23 is meshed with the rear gear of the double gear 2 26. ; The side wall of the double gear 26 is meshed with a gear 4 29, the rear gear of the double gear 26 is meshed with the gear 4 29, and the rear gears of the double gear 1 23 and the double gear 2 26 are larger than the front gears; the gear 4 29 is sleeved on the outer wall of the output shaft 30; the gear 1 17, the double gear 1 23 and the gear 4 29 are located on the same straight line, the gear 2 19, the gear 3 22 and the double gear 2 26 are located on the same straight line, and the above-mentioned installation method makes the above-mentioned transmission components located on two straight lines, which greatly reduces the transmission space.

[0026] As a preferred solution, further, the center hole of the double gear 23 is provided with a graphite copper sleeve 24, and the center hole of the double gear 26 is provided with a graphite copper sleeve 27; the graphite copper sleeve 24 and the graphite copper sleeve 27 have high strength, large bearing capacity, long service life and self-lubrication.

[0027] As a preferred solution, further, the front outer wall of the input shaft 16 is provided with a bearing seat 18, the rear outer wall of the rotating shaft 20 is provided with a bearing seat 21, the rear outer wall of the graphite copper sleeve 1 24 is provided with a bearing seat 3 25, and the front outer wall of the graphite copper sleeve 27 is provided with a bearing seat 4 28. The bearing seat 18, the bearing seat 21, the bearing seat 3 25 and the bearing seat 4 28 are all installed on the inner bottom of the gear box 1; by using the bearing seat 18, the bearing seat 21, the bearing seat 3 25 and the bearing seat 4 28, the transmission is made more stable.

[0028] The gearbox, graphite sleeve 1 and graphite sleeve 2 in this case are prior art, and the gearbox has the same structure and connection method as in the cited document. As long as the gearbox, graphite sleeve 1 and graphite sleeve 2 meet the requirements of this case, they are all acceptable.

[0029] Working principle: The electrical components in this application are all connected to an external power source and a control switch when in use. After the utility model is installed, first check the installation fixation and safety protection of the utility model, and then it can be used; when disassembling, the user squeezes the two lifting blocks 9 inward, so that the lifting blocks 9 drive the card block 13 to slide in the bottom groove 12 through the connecting block 11, so that the card block 13 is separated from the card groove 15 and squeezes the spring 14; then the user pulls the slider 7 upward through the lifting block 9, and the slider 7 drives the bottom block 8 to slide upward until the bottom block 8 is fitted with the top of the bottom groove 1 6. At this time, the block 13 is completely separated from the top groove 5, and then the user releases the lifting block 9. The block 13 rebounds under the action of the spring 14, so that the block 13 slides outward, and the block 13 extends out of the slider 7; the extended block 13 is stuck on the top of the bolt 4, so that the slider 7 cannot fall downward, and then the user rotates the two extended blocks 13, and the slider 7 drives the bottom block 8 to rotate. Because the bottom block 8 is engaged with the bottom groove 1 6, the bottom block 8 drives the bolt 4 to rotate, so as to facilitate the rotation and disassembly of the bolt 4, and facilitate the separation of the shell 1 2 and the shell 2 3 to complete the replacement of internal parts.

[0030] When in use, the input shaft 16 rotates to drive the gear 17 to rotate, the gear 17 engages with the gear 2 19 to rotate, the gear 2 19 drives the rotating shaft 20 to rotate, the rotating shaft 20 drives the gear 3 22 to rotate, the gear 3 22 engages with the rear large gear of the double gear 1 23, and engages with the double gear 1 23 to rotate, the front small gear of the double gear 1 23 engages with the rear large gear of the double gear 2 26, and drives the double gear 2 26 to rotate, the front small gear of the double gear 26 engages and drives the gear 4 29 to rotate, so that the gear 4 29 drives the output shaft 30 to rotate, thereby completing the high speed ratio transmission in a smaller space, achieving the effect of compact transmission, and having strong practicality.

[0031] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A compact transmission gearbox, comprising: The gear box (1) is characterized in that the gear box (1) comprises: a housing 1 (2) and a housing 2 (3), the housing 1 (2) being installed on the top of the housing 2 (3), and a plurality of bolts (4) being installed at the connection between the housing 1 (2) and the housing 2 (3); The top of the bolt (4) is provided with a top groove (5), the bottom of the top groove (5) is provided with a bottom groove (6), a slider (7) is slidably connected in the top groove (5), a bottom block (8) is installed at the bottom of the slider (7), the bottom block (8) is slidably connected in the bottom groove (6), and a lifting block (9) is installed at the top of the slider (7).

2. The compact transmission gearbox according to claim 1, characterized in that: The number of the lifting blocks (9) is two, and the two lifting blocks (9) are slidably connected to the top of the sliding block (7). Two sliding grooves (10) are symmetrically provided on the top of the lifting block (9), and a second bottom groove (12) is provided at the bottom of the sliding groove (10). A connecting block (11) is slidably connected in the sliding groove (10), and a clamping block (13) is slidably connected in the second bottom groove (12). The top of the clamping block (13) is connected to the connecting block (11), and the top of the connecting block (11) is connected to the lifting block (9).

3. The compact transmission gearbox according to claim 2, characterized in that: The inner wall of the top groove (5) is symmetrically provided with two clamping grooves (15), and the slider (7) is extended from the opposite ends of the two clamping blocks (13). The clamping blocks (13) are adapted to the clamping grooves (15), and a spring (14) is installed between the clamping block (13) and the second bottom groove (12).

4. The compact transmission gearbox according to claim 1, characterized in that: The rear side of the gear box (1) is rotatably connected to an input shaft (16), and the front side of the gear box (1) is rotatably connected to an output shaft (30); the front side of the input shaft (16) extends into the interior of the gear box (1), and the rear side of the output shaft (30) extends into the interior of the gear box (1).

5. The compact transmission gearbox according to claim 4, characterized in that: The front outer wall of the input shaft (16) is fitted with a gear 1 (17), the side wall of the gear 1 (17) is meshed with a gear 2 (19), the center hole of the gear 2 (19) is fitted with a rotating shaft (20), the front outer wall of the rotating shaft (20) is fitted with a gear 3 (22), the side wall of the gear 3 (22) is meshed with a double gear 1 (23), the side wall of the double gear 1 (23) is meshed with a double gear 2 (26), the side wall of the double gear 2 (26) is meshed with a gear 4 (29), and the gear 4 (29) is fitted on the outer wall of the output shaft (30).

6. The compact transmission gearbox according to claim 5, characterized in that: The center hole of the double gear one (23) is sheathed with a graphite copper sleeve one (24), and the center hole of the double gear two (26) is sheathed with a graphite copper sleeve two (27).

7. The compact transmission gearbox according to claim 6, characterized in that: The front outer wall of the input shaft (16) is fitted with a bearing seat 1 (18), the rear outer wall of the rotating shaft (20) is fitted with a bearing seat 2 (21), the rear outer wall of the graphite copper sleeve 1 (24) is fitted with a bearing seat 3 (25), and the front outer wall of the graphite copper sleeve 2 (27) is fitted with a bearing seat 4 (28). The bearing seat 1 (18), the bearing seat 2 (21), the bearing seat 3 (25) and the bearing seat 4 (28) are all installed on the inner bottom of the gear box (1).

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