Gear transmission structure

Abstract

The utility model relates to the technical field of gear transmission, and discloses a gear transmission structure, which solves the problem of uneven gear lubrication at present, and comprises a transmission shaft, the outer side of the transmission shaft is fixedly sleeved with a hollow disc, the outer side of the hollow disc is fixedly provided with a transmission gear, and each tooth of the transmission gear is provided with an oil hole. Each oil hole is communicated with the hollow disc; a driven gear is arranged on the outer side of the transmission shaft; according to the utility model, through the cooperation between the guide plate and the guide rod as well as between the movable column and the support column, the plugging plate can move and rotate conveniently, and the plugging plate can be sleeved on the positioning column under the action of the elastic force of the spring, so that the protective cylinder can be separated from the outer side of the connecting pipe and fixed; and then an external oil injection pipe can be connected with the connecting pipe, lubricating oil can be conveniently injected into the hollow disc from the connecting pipe, then the lubricating oil can flow out from all the oil holes when the transmission shaft rotates, and therefore the transmission gear can be conveniently and evenly lubricated.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear transmission, in particular to a gear transmission structure. Background Art

[0002] Gear transmission refers to a device that transmits motion and power by a gear pair. It is the most widely used mechanical transmission method in various modern equipment. Its transmission is relatively accurate, efficient, compact, reliable and has a long life. The transmission of gears mainly relies on the relevant engagement of the gear tooth surfaces to move and transmit, so the gears will produce some friction and wear during the movement. If you want to ensure its normal movement, you need to add lubricating oil to the tooth surface for lubrication.

[0003] At present, most of the lubrication is done by dripping lubricating oil onto the tooth surface of the gear. However, this method is not only cumbersome to operate, but also prone to uneven gear lubrication. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a gear transmission structure, which effectively solves the problem of uneven lubrication of the current gears.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear transmission structure, comprising a transmission shaft, a hollow disk is fixedly sleeved on the outer side of the transmission shaft, a transmission gear is fixedly installed on the outer side of the hollow disk, each tooth of the transmission gear is provided with an oil hole, each oil hole is connected with the hollow disk, a driven gear is provided on the outer side of the transmission shaft, the driven gear is meshed and connected with the transmission gear, a blocking mechanism is installed on the outer side of the hollow disk, a connecting pipe is fixedly installed on the outer side of the hollow disk, and a fixing mechanism is installed on the outer side of the connecting pipe;

[0006] The sealing mechanism includes a U-shaped plate fixed to the outside of the hollow disk, two guide rods are symmetrically fixedly installed on the inner side of the U-shaped plate, the outer sides of the two guide rods are movably sleeved with the same guide plate, a movable column is fixedly installed on the side of the guide plate away from the hollow disk, the end of the movable column away from the guide plate penetrates the U-shaped plate and is rotatably connected to a support column, and the movable column is movably connected to the U-shaped plate, a sealing plate is fixedly installed on the end of the support column away from the movable column, a protective tube is fixedly installed on the side of the sealing plate close to the U-shaped plate, and a sealing ring is fixedly installed on the inner side of the protective tube.

[0007] Preferably, the inner diameter of the protective tube is equal to the outer diameter of the connecting tube, and the inner diameter of the sealing ring is equal to the inner diameter of the connecting tube.

[0008] Preferably, a positioning column is fixedly mounted on one side of the U-shaped plate close to the blocking plate, and the blocking plate is movably sleeved on the outer side of the positioning column.

[0009] Preferably, the fixing mechanism includes a fixing plate fixed to the outer side of the hollow disk, the fixing plate is fixedly sleeved on the outer side of the connecting pipe, a sliding groove is provided on the side of the fixing plate away from the U-shaped plate, sliding rods are fixedly installed on the inner sides of the two sliding grooves, sliding blocks are movably sleeved on the outer sides of the two sliding rods, L-shaped rods are fixedly installed on the sides of the two sliding blocks away from each other, plug rods are fixedly installed on the two L-shaped rods, and the two L-shaped rods are movably connected to the fixing plate.

[0010] Preferably, the fixing plate is symmetrically provided with two slots on one side away from the hollow disk, and two plug plates are symmetrically fixedly installed on the outer side of the blocking plate, both plug plates are adapted to the two slots, and both plug plates are provided with plug holes on the side away from each other, and the inner diameters of the two plug holes are equal to the outer diameters of the two plug rods.

[0011] Preferably, the fixed plate is rotatably connected to a screw on one side away from the U-shaped plate, a turntable is fixedly installed on the end of the screw away from the fixed plate, a screw sleeve is threadedly sleeved on the outer side of the screw, and two drive rods are symmetrically rotatably connected to the outer side of the screw sleeve, and the ends of the two drive rods away from the screw sleeve are rotatably connected to the two sliders respectively.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model facilitates the movement and rotation of the blocking plate through the cooperation between the guide plate and the guide rod as well as the movable column and the support column, and enables the blocking plate to be sleeved on the positioning column under the action of the spring force, and then enables the protective tube to be detached from the outside of the connecting pipe and fixed, and then enables the external oil filling pipe to be connected to the connecting pipe, so that the lubricating oil can be injected from the connecting pipe into the hollow disk, and then when the transmission shaft rotates, the lubricating oil can flow out from each oil hole, so as to facilitate the uniform lubrication of the transmission gear;

[0014] (2) The new type facilitates the two sliders to slide along the two slide rods respectively through the cooperation between the screw rod and the screw sleeve as well as the driving rod, and facilitates the protective tube to be firmly sleeved on the outside of the connecting pipe through the cooperation between the plug rod and the plug plate as well as the plug hole and the slot, so that the sealing ring fits tightly with the connecting pipe, thereby preventing the lubricating oil in the hollow disk from leaking out of the connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the gear transmission structure of the utility model;

[0018] Figure 2This is a schematic diagram of the structure of the plugging mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the plugging plate of the utility model;

[0020] Figure 4 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0021] In the figure: 1. transmission shaft; 2. blocking mechanism; 201. U-shaped plate; 202. blocking plate; 203. positioning column; 204. supporting column; 205. movable column; 206. guide rod; 207. spring; 208. guide plate; 209. socket; 2010. plug plate; 2011. protective tube; 2012. sealing ring; 3. fixing mechanism; 301. fixing plate; 302. slot; 303. slide groove; 304. driving rod; 305. turntable; 306. screw; 307. screw sleeve; 308. slide rod; 309. slider; 3010. L-shaped rod; 3011. plug rod; 4. oil hole; 5. connecting pipe; 6. driven gear; 7. hollow disk; 8. transmission gear. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1, by Figure 1 It is given that the utility model includes a transmission shaft 1, a hollow disk 7 is fixedly sleeved on the outer side of the transmission shaft 1, a transmission gear 8 is fixedly installed on the outer side of the hollow disk 7, each tooth of the transmission gear 8 is provided with an oil hole 4, each oil hole 4 is connected with the hollow disk 7, a driven gear 6 is provided on the outer side of the transmission shaft 1, the driven gear 6 is meshingly connected with the transmission gear 8, a blocking mechanism 2 is installed on the outer side of the hollow disk 7, a connecting pipe 5 is fixedly installed on the outer side of the hollow disk 7, and a fixing mechanism 3 is installed on the outer side of the connecting pipe 5.

[0024] Specifically, by Figure 2-3The blocking mechanism 2 includes a U-shaped plate 201 fixed to the outside of the hollow disk 7, two guide rods 206 are symmetrically fixedly installed on the inner side of the U-shaped plate 201, and the outer sides of the two guide rods 206 are movably sleeved with the same guide plate 208, and a movable column 205 is fixedly installed on the side of the guide plate 208 away from the hollow disk 7, and one end of the movable column 205 away from the guide plate 208 passes through the U-shaped plate 201 and is rotatably connected to the support column 204, and the movable column 205 is movably connected to the U-shaped plate 201, and the support column 204 is far away from the hollow disk 7. A blocking plate 202 is fixedly installed at one end away from the movable column 205, a protective tube 2011 is fixedly installed on the side of the blocking plate 202 close to the U-shaped plate 201, a sealing ring 2012 is fixedly installed on the inner side of the protective tube 2011, the inner diameter value of the protective tube 2011 is equal to the outer diameter value of the connecting tube 5, the inner diameter value of the sealing ring 2012 is equal to the inner diameter value of the connecting tube 5, a positioning column 203 is fixedly installed on the side of the U-shaped plate 201 close to the blocking plate 202, and the blocking plate 202 is movably sleeved on the outer side of the positioning column 203;

[0025] When in use, the sealing plate 202 is initially sleeved on the outer side of the positioning column 203, and the external oil filling pipe can be connected to the connecting pipe 5, so that the lubricating oil enters the hollow disk 7 through the connecting pipe 5, and then the oil filling pipe is removed from the connecting pipe 5 and pulled to the sealing plate 202, and the movable column 205 is driven to move through the support column 204, and the guide plate 208 is driven to slide along the two guide rods 206. At this time, the spring 207 is compressed. When the sealing plate 202 is disengaged from the positioning column 203, the sealing plate 202 is rotated 180°, and then the sealing plate 202 is pushed until the protective tube 2011 is sleeved on the outer side of the connecting pipe 5, and under the action of the elastic force of the spring 207, the sealing ring 2012 is tightly fitted with the connecting pipe 5, and finally, when the transmission shaft 1 rotates, the lubricating oil is subjected to the centrifugal force and flows out from each oil hole 4, and finally, the transmission gear 8 is evenly lubricated.

[0026] Specifically, by Figure 4The fixing mechanism 3 includes a fixing plate 301 fixed to the outer side of the hollow disk 7, the fixing plate 301 is fixedly sleeved on the outer side of the connecting pipe 5, a sliding groove 303 is provided on the side of the fixing plate 301 away from the U-shaped plate 201, a sliding rod 308 is fixedly installed on the inner side of the two sliding grooves 303, a slider 309 is movably sleeved on the outer side of the two sliders 308, an L-shaped rod 3010 is fixedly installed on the side of the two sliders 309 away from each other, a plug rod 3011 is fixedly installed on the two L-shaped rods 3010, and the two L-shaped rods 3010 are movably connected to the fixing plate 301, and two slots 302 are symmetrically provided on the side of the fixing plate 301 away from the hollow disk 7, and the blocking plate 20 2, two plug plates 2010 are symmetrically fixedly installed on the outer side of the two plug plates 2010, and the two plug plates 2010 are adapted to the two slots 302. The two plug plates 2010 are provided with a plug hole 209 on the side away from each other, and the inner diameter values ​​of the two plug holes 209 are equal to the outer diameter values ​​of the two plug rods 3011. The side of the fixed plate 301 away from the U-shaped plate 201 is rotatably connected with a screw rod 306, and the end of the screw rod 306 away from the fixed plate 301 is fixedly installed with a turntable 305, and the outer side of the screw rod 306 is threadedly sleeved with a screw sleeve 307, and the outer side of the screw sleeve 307 is symmetrically rotatably connected with two driving rods 304, and the ends of the two driving rods 304 away from the screw sleeve 307 are respectively rotatably connected with two sliders 309;

[0027] When in use, when the protective tube 2011 is sleeved on the outside of the connecting tube 5, the two plug plates 2010 are respectively inserted into the two slots 302 on the side away from the sealing plate 202, and then the turntable 305 is rotated to drive the screw 306 to rotate, and at the same time the screw sleeve 307 moves and moves away from the fixed plate 301, and then the two sliders 309 are respectively driven to move by the two driving rods 304. At this time, the two L-shaped rods 3010 approach each other until the ends of the two plug rods 3011 that are close to each other are respectively inserted into the two sockets 209, so that the sealing plate 202 is firmly connected to the connecting tube 5, and finally the lubricating oil in the hollow disk 7 is prevented from leaking from the connecting tube 5.

Claims

1. A gear transmission structure, comprising a transmission shaft (1), characterized in that: The outer side of the transmission shaft (1) is fixedly sleeved with a hollow disk (7), the outer side of the hollow disk (7) is fixedly mounted with a transmission gear (8), each tooth of the transmission gear (8) is provided with an oil hole (4), each oil hole (4) is connected with the hollow disk (7), the outer side of the transmission shaft (1) is provided with a driven gear (6), the driven gear (6) is meshingly connected with the transmission gear (8), a blocking mechanism (2) is mounted on the outer side of the hollow disk (7), a connecting pipe (5) is fixedly mounted on the outer side of the hollow disk (7), and a fixing mechanism (3) is mounted on the outer side of the connecting pipe (5); The blocking mechanism (2) comprises a U-shaped plate (201) fixed to the outside of the hollow plate (7), two guide rods (206) are symmetrically fixedly installed on the inner side of the U-shaped plate (201), the outer sides of the two guide rods (206) are movably sleeved with the same guide plate (208), a movable column (205) is fixedly installed on the side of the guide plate (208) away from the hollow plate (7), one end of the movable column (205) away from the guide plate (208) passes through the U-shaped plate (201) and is rotatably connected to a support column (204), and the movable column (205) is movably connected to the U-shaped plate (201), one end of the support column (204) away from the movable column (205) is fixedly installed with a blocking plate (202), a side of the blocking plate (202) close to the U-shaped plate (201) is fixedly installed with a protective tube (2011), and a sealing ring (2012) is fixedly installed on the inner side of the protective tube (2011).

2. A gear transmission structure according to claim 1, characterized in that: The inner diameter of the protective tube (2011) is equal to the outer diameter of the connecting tube (5), and the inner diameter of the sealing ring (2012) is equal to the inner diameter of the connecting tube (5).

3. A gear transmission structure according to claim 1, characterized in that: A positioning column (203) is fixedly mounted on one side of the U-shaped plate (201) close to the blocking plate (202), and the blocking plate (202) is movably sleeved on the outer side of the positioning column (203).

4. A gear transmission structure according to claim 1, characterized in that: The fixing mechanism (3) comprises a fixing plate (301) fixed to the outer side of the hollow disk (7), the fixing plate (301) being fixedly sleeved on the outer side of the connecting pipe (5), a sliding groove (303) being provided on the side of the fixing plate (301) away from the U-shaped plate (201), a sliding rod (308) being fixedly installed on the inner side of the two sliding grooves (303), a sliding block (309) being movably sleeved on the outer side of the two sliding bars (308), an L-shaped rod (3010) being fixedly installed on the side of the two sliding blocks (309) away from each other, an inserting rod (3011) being fixedly installed on the two L-shaped rods (3010), and the two L-shaped rods (3010) being movably connected to the fixing plate (301).

5. A gear transmission structure according to claim 4, characterized in that: The fixing plate (301) is symmetrically provided with two slots (302) on one side away from the hollow disk (7), and two plugging plates (2010) are symmetrically fixedly installed on the outer side of the blocking plate (202), and the two plugging plates (2010) are both adapted to the two slots (302). The two plugging plates (2010) are both provided with plugging holes (209) on one side away from each other, and the inner diameters of the two plugging holes (209) are both equal to the outer diameters of the two plugging rods (3011).

6. A gear transmission structure according to claim 4, characterized in that: A screw rod (306) is rotatably connected to one side of the fixed plate (301) away from the U-shaped plate (201); a rotating disk (305) is fixedly installed on one end of the screw rod (306) away from the fixed plate (301); a screw sleeve (307) is threadedly sleeved on the outer side of the screw rod (306); two driving rods (304) are symmetrically rotatably connected to the outer side of the screw sleeve (307); and one end of the two driving rods (304) away from the screw sleeve (307) is rotatably connected to two sliders (309) respectively.

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