Planetary gear reduction gearbox

Abstract

The utility model relates to a gearbox, in particular to a planetary gear reduction gearbox which comprises a top reduction gearbox body, a bottom reduction gearbox body is fixedly installed on the top reduction gearbox body, and an input shaft is arranged between the top reduction gearbox body and the bottom reduction gearbox body. Semicircular sealing grooves are formed in one side of the top reduction gearbox body and one side of the bottom reduction gearbox body correspondingly, and a sealing ring is connected to the inner walls of the two sealing grooves in a clamped mode. Compared with the prior art, the sealing device has the advantages that the semicircular sealing groove, the sealing ring, the shielding cover, the penetrating hole, the oil baffle ring, the oil collecting hole, the conveying pipe, the oil storage tank structure and the sealing ring are arranged in a matched mode, oil gas and oil mass can be shielded when the oil gas and the oil mass are large, and the situation that the oil gas and the oil mass are leaked into the atmosphere and wasted is greatly avoided; and leaked oil can be collected, waste of oil gas and oil quantity is reduced, resources are saved, and cyclic utilization of the oil quantity is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gear box, in particular to a planetary gear reduction gearbox. BACKGROUND

[0002] The planetary gear box is also called a planetary reduction gearbox, a gear box or a planetary gearbox, and its structure is a mechanism in which a plurality of planetary gears rotate around a sun gear, which is also a mechanism for reducing the transmission speed ratio and proportionally increasing the motor torque. The planetary gear box is widely used, and is initially matched with a motor, is used in the sunshade industry office automation, smart home, production automation, medical devices, financial machinery, game machines and other fields in addition to being used in a miniature reduction motor.

[0003] In order to reduce the leakage of oil and oil gas, a baffle is usually arranged at the input shaft of the gear box at present, the flow path of the oil is blocked by the baffle, and the leakage of the oil and oil gas is reduced. However, the oil and oil gas are only blocked by the baffle, and although the leakage of the oil and oil gas can be reduced to a certain extent, the baffle is not suitable for the working conditions with large oil and oil gas and large oil quantity. When the oil and oil gas are relatively large, the leakage phenomenon still exists, and the oil and oil gas are wasted. Therefore, a planetary gear reduction gearbox is needed to solve the above problems. SUMMARY

[0004] The utility model aims at solving at least one of the technical defects.

[0005] Therefore, one purpose of the utility model is to provide a planetary gear reduction gearbox to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] In order to achieve the above purpose, an embodiment of the utility model provides a planetary gear reduction gearbox, which comprises a top reduction gearbox body, a bottom reduction gearbox body fixedly installed on the top reduction gearbox body, an input shaft arranged between the top reduction gearbox body and the bottom reduction gearbox body, a sealing groove in the shape of a semicircle formed in one side of the top reduction gearbox body and the bottom reduction gearbox body, a sealing ring clamped on the inner wall of the two sealing grooves, a shielding cover fixedly connected to one end of the sealing ring, a perforation formed in one side of the shielding cover, an oil blocking ring fixedly installed on the inner wall of the shielding cover, an oil collecting hole formed in the inner wall of the shielding cover, a conveying pipe fixedly connected to the outer surface of the shielding cover, an oil storage tank structure connected to the conveying pipe and arranged on the bottom reduction gearbox body, and a sealing ring fixedly installed on the inner wall of the perforation and the oil blocking ring.

[0007] Preferably, the oil storage tank structure comprises a mounting plate, a fixing bolt, a mounting clamping groove, a mounting clamping block, a fixing socket, an oil storage tank and an oil inlet hole.

[0008] Preferably, the oil storage tank is provided with a transparent observation window, and the transparent observation window is provided with a scale mark.

[0009] Preferably, the top reduction gearbox and the bottom reduction gearbox are symmetrically provided with two side faces, and the two side faces are fixedly connected with supporting blocks, and the opposite sides of the two supporting blocks are fixedly connected with a pull rod.

[0010] Preferably, the sealing ring is sleeved on the outer surface of the input shaft.

[0011] Preferably, the conveying pipe corresponds to the position of the oil collecting hole, and the inner diameter of the conveying pipe is equal to the diameter of the oil collecting hole.

[0012] Preferably, the mounting clamping block and the mounting clamping groove are T-shaped, the mounting clamping block and the mounting clamping groove are matched in size, and the fixing bolt and the fixing socket are matched in size.

[0013] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0014] 1. The cooperation of the semicircular sealing groove, the sealing ring, the shielding cover, the perforation, the oil blocking ring, the oil collecting hole, the conveying pipe, the oil storage tank structure and the sealing ring can shield oil and gas and oil under the condition of large oil and gas and oil, greatly avoid the waste of oil and gas and oil leakage to the atmosphere, collect the leaked oil, reduce the waste of oil and gas and oil, save resources, and realize the recycling of oil.

[0015] 2. The cooperation of the mounting plate, the fixing bolt, the mounting clamping groove, the mounting clamping block, the fixing socket, the oil storage tank and the oil inlet hole makes the installation and disassembly of the oil storage tank more convenient, so that when the oil storage tank collects more oil, the oil in the oil storage tank can be poured out, and the cleaning of the oil storage tank is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the utility model shielding cover and its connecting member section structure;

[0018] Figure 3 It is a structure schematic view of the utility model not assembled shielding cover;

[0019] Figure 4 It is a structure schematic view of the utility model shielding cover;

[0020] Figure 5 It is a structure schematic view of the utility model oil storage tank and its connecting member structure;

[0021] Figure 6 It is a structure schematic view of the utility model Figure 2 It is the enlarged structure schematic view of A place in the utility model.

[0022] In the drawing: 1-top reduction gearbox, 2-bottom reduction gearbox, 3-input shaft, 4-sealing groove, 5-sealing ring, 6-shielding cover, 7-perforation, 8-oil retaining ring, 9-oil collecting hole, 10-conveying pipe, 11-oil storage tank structure, 1101-mounting plate, 1102-fixing bolt, 1103-mounting clamping groove, 1104-mounting clamping block, 1105-fixing jack, 1106-oil storage tank, 1107-oil inlet hole, 12-scale mark, 13-supporting block, 14-lifting rod, 15-sealing ring. Specific implementation

[0023] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0024] As Figures 1 to 6As shown, a kind of planetary gear reduction box, it includes top reduction box body 1, top reduction box body 1 fixedly installed bottom reduction box body 2, top reduction box body 1 and bottom reduction box body 2 The size is compatible, top reduction box body 1 and bottom reduction box body 2 between being provided with input shaft 3, bottom reduction box body 2 and the inside of top reduction box body 1 is provided with planetary gear reduction structure, and planetary gear reduction structure is connected with input shaft 3, input shaft 3, planetary gear reduction structure and output shaft are all existing mature technology, therefore not carry out specific elaboration, the side of top reduction box body 1 and bottom reduction box body 2 is all set with the sealing groove 4 of the shape of semicircle, the inner wall of two sealing grooves 4 is clamped with a sealing ring 5, one end of sealing ring 5 is fixedly connected with a shielding cover 6, shielding cover 6 is connected with top reduction box body 1 and bottom reduction box body 2 by bolt, the side of shielding cover 6 is set with perforation 7, the inner wall of shielding cover 6 is fixedly installed with oil baffle 8, the surface of oil baffle 8 is smooth inclined plane, the inner wall of shielding cover 6 is set with oil collecting hole 9, the outer surface of shielding cover 6 is fixedly connected with conveying pipe 10, bottom reduction box body 2 is provided with oil tank structure 11 connected with conveying pipe 10, the inner wall of perforation 7 and oil baffle 8 is fixedly installed with sealing ring 15, after shielding cover 6 is connected with top reduction box body 1 and bottom reduction box body 2, sealing ring 15 is clamped into the inside of sealing groove 14, so that the sealing property between sealing ring 15 and top reduction box body 1 and sealing ring 15 and bottom reduction box body 2 is good, and the sealing property between input shaft 3 and shielding cover 6 and input shaft 3 and oil baffle 8 is good by sealing ring 15, and shielding oil gas and oil by oil baffle 8, avoid the condition that oil gas and oil amount escape to the outside of top reduction box body 1 and bottom reduction box body 2, and the oil liquid shielded by oil baffle 8 will enter the bottom of shielding cover 6, and the oil liquid in the inside of shielding cover 6 is discharged by oil collecting hole 9 and conveying pipe 10.

[0025] As an optional technical scheme of the utility model, the oil storage tank structure 11 includes mounting plate 1101, fixed bolt 1102, mounting clamping groove 1103, mounting clamping block 1104, fixed jack 1105, oil storage tank 1106 and oil inlet hole 1107, the bottom reduction gearbox body 2 is formed with several mounting spaces, the inner wall of two mounting spaces is fixedly installed with mounting plate 1101, one side of two mounting plates 1101 is threadedly connected with fixed bolt 1102, one side of two mounting plates 1101 is provided with mounting clamping groove 1103, the inner wall of two mounting clamping grooves 1103 is slidably connected with mounting clamping block 1104, one side of two mounting clamping blocks 1104 is provided with fixed jack 1105, one end of two mounting clamping blocks 1104 is fixedly installed with an oil storage tank 1106, the top side of oil storage tank 1106 is provided with oil inlet hole 1107 matched with conveying pipe 11, when installing oil storage tank 1106, make mounting clamping block 1104 connect with mounting clamping groove 1103, and make oil storage tank 1106 move upwards, in the process that oil storage tank 1106 moves upwards, conveying pipe 11 is inserted into the inside of oil inlet hole 1107, when mounting clamping block 1104 all enters into mounting clamping groove 1103, fixed bolt 1102 corresponds with the position of fixed jack 1105, then make fixed bolt 1102 connect with fixed jack 1105, fix mounting clamping block 1104, thereby fix oil storage tank 1106, complete the operation of installing oil storage tank 1106, make the operation of installing oil storage tank 1106 more convenient, and the same is convenient for disassembling oil storage tank 1106 and cleaning the oil in the inside of oil storage tank 1106, and when fixing oil storage tank 1106, a part of conveying pipe 11 is located in the inside of oil storage tank 1106, can conveying oil to the inside of oil storage tank 1106.

[0026] As an optional technical scheme of the utility model, one side of oil storage tank 1106 is provided with transparent observation window, the transparent observation window is provided with scale mark 12, the amount of oil in the inside of oil storage tank 1106 can be more clearly understood through transparent observation window and scale mark 12, when the amount of oil in the inside of oil storage tank 1106 is more, it is convenient to clean oil storage tank 1106.

[0027] As an optional technical scheme of the utility model, the two sides of top reduction gearbox body 1 and bottom reduction gearbox body 2 relative symmetry are all fixedly connected with support block 13, the opposite side of two support blocks 13 is fixedly connected with a pull rod 14, the force support point for moving top reduction gearbox body 1 or bottom reduction gearbox body 2 can be provided through pull rod 14 and support block 13, thereby it is convenient to separate top reduction gearbox body 1 and bottom reduction gearbox body 2, and it is convenient to move top reduction gearbox body 1 and bottom reduction gearbox body 2.

[0028] As an optional technical scheme of the utility model, the sealing ring 15 is sleeved on the outer surface of the input shaft 3, and the sealing ring 15 makes the sealing between the input shaft 3 and the shielding cover 6 and the sealing between the input shaft 3 and the oil baffle 8 better.

[0029] As an optional technical scheme of the utility model, the position of the conveying pipe 10 corresponds to the oil collecting hole 9, the inner diameter of the conveying pipe 10 is equal to the diameter of the oil collecting hole 9, so that the conveying pipe 10 can be smoothly inserted into the inside of the oil collecting hole 9.

[0030] As an optional technical scheme of the utility model, the shapes of the mounting clamping block 1104 and the mounting clamping groove 1103 are T-shaped, the mounting clamping block 1104 is matched with the mounting clamping groove 1103 in size, and the fixing bolt 1102 is matched with the fixing jack 1105 in size, so that the fixing bolt 1102 can be connected with the fixing jack 1105 smoothly.

[0031] A planetary gear reduction box has the following working principle:

[0032] The sealing ring 15 and the top reduction box body 1 and the sealing ring 15 and the bottom reduction box body 2 are sealed well through the sealing groove 14 and the sealing ring 15, and the sealing between the input shaft 3 and the shielding cover 6 and the sealing between the input shaft 3 and the oil baffle 8 is better through the sealing ring 15, the oil gas and the oil are shielded by the oil baffle 8, the oil gas and the oil are prevented from escaping to the outside of the top reduction box body 1 and the bottom reduction box body 2, and the oil shielded by the oil baffle 8 will enter the bottom of the shielding cover 6, and the oil in the shielding cover 6 is discharged and conveyed to the inside of the oil storage tank 1106 through the oil collecting hole 9 and the conveying pipe 10, so that the oil is collected and recycled.

[0033] In summary, the planetary gear reduction box can shield the oil gas and the oil under the condition of large oil gas and oil through the cooperation of the semicircular sealing groove 4, the sealing ring 5, the shielding cover 6, the perforation 7, the oil baffle 8, the oil collecting hole 9, the conveying pipe 10, the oil storage tank structure 11 and the sealing ring 15, greatly avoids the waste of oil gas and oil leakage into the atmosphere, can collect the leaked oil, reduces the waste of oil gas and oil, saves resources, realizes the recycling of oil, and through the cooperation of the mounting plate 1101, the fixing bolt 1102, the mounting clamping groove 1103, the mounting clamping block 1104, the fixing jack 1105, the oil storage tank 1106 and the oil inlet hole 1107, the operation of mounting and dismounting the oil storage tank 1106 is relatively simple, so that when the oil collected in the oil storage tank 1106 is relatively large, the oil storage tank 1106 is dismounted and the oil in the oil storage tank 1106 is poured out, and the operation of cleaning the oil storage tank 1106 is relatively simple.

Claims

1. A planetary gear reduction box characterised in that: The utility model provides a kind of top reduction gearbox, the bottom reduction gearbox (2) is fixedly installed in the top reduction gearbox (1), input shaft (3) is arranged between the top reduction gearbox (1) and bottom reduction gearbox (2), the one side of top reduction gearbox (1) and bottom reduction gearbox (2) is all opened with the sealing groove (4) of shape as semicircle, the inner wall of two sealing grooves (4) is clamped with a sealing ring (5), one end of sealing ring (5) is fixedly connected with a shield cover (6), the side of shield cover (6) is opened with perforation (7), the inner wall of shield cover (6) is fixedly installed with oil baffle (8), the inner wall of shield cover (6) is opened with oil collecting hole (9), the outer surface of shield cover (6) is fixedly connected with conveying pipe (10), bottom reduction gearbox (2) is provided with oil tank structure (11) connected with conveying pipe (10), the inner wall of perforation (7) and oil baffle (8) is fixedly installed with sealing ring (15).

2. A planetary gear reduction unit according to claim 1, characterised in that: The oil tank structure (11) includes a mounting plate (1101), a fixing bolt (1102), a mounting clamping groove (1103), a mounting clamping block (1104), a fixed insertion hole (1105), an oil tank (1106), and an oil inlet hole (1107). The bottom reduction gearbox (2) has a plurality of mounting spaces formed therein. The inner walls of two of the mounting spaces are fixedly installed with the mounting plates (1101). The sides of the two mounting plates (1101) are threadedly connected with the fixing bolts (1102). The sides of the two mounting plates (1101) are provided with the mounting clamping grooves (1103). The inner walls of the two mounting clamping grooves (1103) are slidably connected with the mounting clamping blocks (1104). The sides of the two mounting clamping blocks (1104) are provided with the fixed insertion holes (1105). One end of each of the two mounting clamping blocks (1104) is fixedly installed with the oil tank (1106). The top side of the oil tank (1106) is provided with the oil inlet hole (1107) which is adapted in size to the conveying pipe (10).

3. A planetary gear reduction unit according to claim 2, characterised in that: One side of the oil tank (1106) is provided with a transparent observation window. The transparent observation window is provided with a scale mark (12).

4. A planetary gear reduction unit according to claim 3, characterised in that: The top reduction gearbox (1) and the bottom reduction gearbox (2) are symmetrically provided with the support blocks (13) on two opposite sides. The opposite sides of the two support blocks (13) are fixedly connected with a pull rod (14).

5. A planetary gear reduction unit according to claim 4, characterised in that: The sealing ring (15) is sleeved on the outer surface of the input shaft (3).

6. A planetary gear reduction unit according to claim 5, characterised in that: The conveying pipe (10) corresponds to the position of the oil collecting hole (9). The inner diameter of the conveying pipe (10) is equal to the diameter of the oil collecting hole (9).

7. A planetary gear reduction unit according to claim 6, characterised in that: The mounting clamping blocks (1104) and the mounting clamping grooves (1103) are both T-shaped. The mounting clamping blocks (1104) are adapted in size to the mounting clamping grooves (1103). The fixing bolts (1102) are adapted in size to the fixed insertion holes (1105).

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