Horizontal worm and gear speed reducer

Abstract

The utility model discloses a horizontal worm and gear speed reducer, and relates to a worm and gear speed reducer. Comprising a machine shell, an input shaft and an output shaft, a worm is arranged on the input shaft, a worm gear meshed with the worm is arranged on the output shaft, an oil base is installed at the top of the machine shell, a movable groove is formed in an inner cavity of the oil base, the bottom inner wall of the movable groove is communicated with the inner cavity of the machine shell through a communicating hole, an oil injection hole is further formed in the oil base, and a conical groove is formed in the inner wall of one side of the movable groove. The oil injection hole is communicated with the conical groove, a movable block with a conical end is movably connected into the movable groove, and the conical end of the movable block is inserted into the conical groove. According to the horizontal worm and gear speed reducer, the oil injection hole, the communicating hole, the conical groove and the movable groove which communicate with one another are formed in the oil base, the opening size and the communicating state of the conical groove can be controlled by driving the movable block in the movable groove to move, and the process of lubricating oil on the worm and gear speed reducer can be conveniently controlled; and waste caused by excessive pouring of the lubricating oil at one time is avoided.

Description

Technical Field

[0001] The utility model relates to a worm gear reducer, in particular to a horizontal worm gear reducer. Background Art

[0002] The horizontal worm gear reducer is a power transmission mechanism that uses a gear speed converter to reduce the number of revolutions of the motor to the desired number of revolutions and obtain a larger torque. The reducer has a wide range of applications in mechanisms used to transmit power and motion.

[0003] The existing worm gear reducer lubrication system relies on the rotation of the worm gear to bring the lubricating oil to the meshing gears for lubrication. During the lubricating oil application process, there are problems such as excessive lubricating oil being poured out at one time, which is easy to cause waste, and the lubricating oil pouring process is difficult to control. Utility Model Content

[0004] The utility model provides a horizontal worm gear reducer to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a horizontal worm gear reducer, comprising a casing, an input shaft and an output shaft, the input shaft being provided with a worm, the output shaft being provided with a worm wheel meshing with the worm, an oil seat being installed on the top of the casing, the inner cavity of the oil seat being provided with a movable groove, the bottom inner wall of the movable groove being connected to the inner cavity of the casing through a connecting hole, an oil filling hole being further provided on the oil seat, a conical groove being provided on one side inner wall of the movable groove, the oil filling hole being connected to the conical groove, a movable block with a conical end being movably connected in the movable groove, and the conical end of the movable block being inserted into the conical groove.

[0006] Furthermore, the movable block is provided with an inclined groove with an inclined inner wall on one side, and a resistance block passing through the inclined groove is connected in a liftable manner in the movable groove, and one side of the resistance block is also inclined and can resist the movable block for movement.

[0007] Furthermore, an inner wall of a side of the movable groove away from the conical groove is connected to the movable block via a spring.

[0008] Furthermore, a screw is threadedly connected to the top of the oil seat, and the end of the screw extends into the movable groove and is rotatably connected to the resistance block to drive the resistance block to rise and fall.

[0009] Furthermore, mounting bases are provided on both sides of the bottom of the casing.

[0010] Furthermore, a reinforcement block is provided between the outer wall of the housing and the mounting base.

[0011] Compared with the prior art, the utility model provides a horizontal worm gear reducer with the following beneficial effects: the horizontal worm gear reducer forms interconnected oil filling holes, connecting holes, tapered grooves and movable grooves inside the oil seat, and can control the opening and closing size of the tapered groove and the connection state by driving the movable block in the movable groove to facilitate the control of the lubricating oil process on the worm gear reducer, thereby avoiding the waste caused by pouring too much lubricating oil at one time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the oil seat of the utility model.

[0015] In the figure: 1. casing; 2. input shaft; 3. output shaft; 4. worm; 5. worm wheel; 6. oil seat; 7. movable groove; 8. oil filling hole; 9. tapered groove; 10. movable block; 11. connecting hole; 12. inclined groove; 13. resistance block; 14. spring; 15. screw; 16. mounting base; 17. reinforcement block. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 The utility model discloses a horizontal worm gear reducer, comprising a casing 1, an input shaft 2 and an output shaft 3, characterized in that: a worm 4 is provided on the input shaft 2, a worm wheel 5 meshing with the worm 4 is provided on the output shaft 3, an oil seat 6 is installed on the top of the casing 1, a movable groove 7 is provided in the inner cavity of the oil seat 6, the bottom inner wall of the movable groove 7 is connected to the inner cavity of the casing 1 through a connecting hole 11, an oil filling hole 8 is also provided on the oil seat 6, a tapered groove 9 is provided on the inner wall of one side of the movable groove 7, the oil filling hole 8 is connected with the tapered groove 9, a movable block 10 with a tapered end is movably connected in the movable groove 7, and the tapered end of the movable block 10 is inserted into the tapered groove 9.

[0018] Specifically, the movable block 10 is provided with an inclined groove 12 with an inclined inner wall on one side, and a resistance block 13 passing through the inclined groove 12 is connected in a liftable manner in the movable groove 7, and one side of the resistance block 13 is also inclined and can resist the movable block 10 for movement.

[0019] In the present embodiment, the inner wall of the inclined groove 12 is inclined away from the conical groove 9. When the resistance block 13 moves downward, the side wall of its inclined surface can resist the inclined inner wall of the inclined groove 12, so that the movable block 10 can move away from the conical groove 9, and then the conical end of the movable block 10 can control the size of the opening of the conical groove 9 and the connectivity state.

[0020] Specifically, the inner wall of the movable groove 7 away from the conical groove 9 is connected to the movable block 10 through a spring 14 .

[0021] In this embodiment, the provision of the spring 14 enables the movable block 10 to be reset when it is not interfered by the interference block 13 .

[0022] Specifically, a screw rod 15 is threadedly connected to the top of the oil seat 6 , and an end of the screw rod 15 extends into the movable groove 7 and is rotatably connected to the abutment block 13 to drive the abutment block 13 to rise and fall.

[0023] In this embodiment, the screw rod 15 is used to drive the resistance block 13 to move up and down, and can maintain the position of the resistance block 13 so that the resistance block 13 can stably resist the movable block 10 .

[0024] Specifically, mounting bases 16 are provided on both sides of the bottom of the housing 1 .

[0025] A reinforcement block 17 is provided between the outer wall of the housing 1 and the mounting base 16 .

[0026] In this embodiment, corresponding mounting holes may be provided on the mounting base 16 , and the provision of the reinforcing block 17 can increase the stability of the connection between the mounting base 16 and the housing 1 .

[0027] To sum up, the horizontal worm gear reducer has an oil filling hole 8, a connecting hole 11, a conical groove 9 and a movable groove 7 that are connected to each other formed inside the oil seat 6. By driving the movable block 10 in the movable groove 7 to move, the opening and closing size of the conical groove 9 and the connection state can be controlled, so that the process of lubricating oil on the worm gear reducer can be conveniently controlled to avoid the waste of lubricating oil caused by pouring too much at one time.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A horizontal worm gear reducer, comprising a housing (1), an input shaft (2) and an output shaft (3), characterized in that: The input shaft (2) is provided with a worm (4), the output shaft (3) is provided with a worm wheel (5) meshing with the worm (4), an oil seat (6) is installed on the top of the casing (1), the inner cavity of the oil seat (6) is provided with a movable groove (7), the bottom inner wall of the movable groove (7) is connected to the inner cavity of the casing (1) through a connecting hole (11), an oil filling hole (8) is also provided on the oil seat (6), a conical groove (9) is provided on one side inner wall of the movable groove (7), the oil filling hole (8) is connected to the conical groove (9), a movable block (10) with a conical end is movably connected in the movable groove (7), and the conical end of the movable block (10) is inserted into the conical groove (9).

2. A horizontal worm gear reducer according to claim 1, characterized in that: The movable block (10) is provided with an inclined groove (12) with an inner wall on one side being an inclined surface. A resisting block (13) passing through the inclined groove (12) is connected in a liftable manner in the movable groove (7). One side of the resisting block (13) is also inclined and can resist the movable block (10) to move.

3. A horizontal worm gear reducer according to claim 2, characterized in that: The inner wall of the movable groove (7) on one side away from the conical groove (9) is connected to the movable block (10) via a spring (14).

4. A horizontal worm gear reducer according to claim 2, characterized in that: The top of the oil seat (6) is threadedly connected with a screw rod (15), and the end of the screw rod (15) extends into the movable groove (7) and is rotatably connected to the resistance block (13) to drive the resistance block (13) to rise and fall.

5. The horizontal worm gear reducer according to claim 1, characterized in that: Both sides of the bottom of the casing (1) are provided with mounting bases (16).

6. A horizontal worm gear reducer according to claim 5, characterized in that: A reinforcement block (17) is provided between the outer wall of the casing (1) and the mounting base (16).

Images