Novel worm and gear speed reducer
By introducing an oil injection pipe assembly into the worm gear reducer to lubricate the shaft and sealed bearings, the problem of bearing wear at the connection between the shaft and the housing is solved, thus extending the service life of the equipment.
Patent Information
- Application Number
- CN202423257488.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2034-12-27
AI Technical Summary
In existing worm gear reducers, the bearings at the connection between the shaft and the housing are prone to wear during use, resulting in a shortened service life.
A worm gear reducer with an oil injection pipe assembly was designed to lubricate the shaft and sealed bearings, thereby reducing wear.
By lubricating the shaft and sealing the bearings, the service life of the worm gear reducer is extended and bearing wear is reduced.
Smart Images
Figure CN223782043U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of speed reducer, especially relates to a novel worm and gear speed reducer. BACKGROUND
[0002] The worm and gear speed reducer is a power transmission mechanism, utilizes the speed converter of gear, reduces the rotation number of motor to the required rotation number and obtains larger torque, the existing worm and gear speed reducer includes shell, worm, worm wheel, reduces the torque through the meshing of worm and worm wheel and achieves the speed reduction, and the worm wheel is provided with a rotating shaft, and the rotating shaft is used for being connected with the load to be driven outside, the bearing at the connecting position of the rotating shaft and the shell is prone to wear during use of the existing worm and gear speed reducer, and the service life of the worm and gear speed reducer is reduced. CONTENT
[0003] In order to solve the above technical problems, the utility model provides a novel worm and gear speed reducer, the bearing of the output rotating shaft of the worm and gear speed reducer can be lubricated, the wear of the bearing is reduced, and the service life is improved.
[0004] The utility model is realized through the following technical schemes:
[0005] A novel worm and gear speed reducer, including the casing, the inside installation of the casing is equipped with the worm, the right side fixed mounting of casing is equipped with the motor, the inside of casing is equipped with the bearing and is installed at one end of the worm, the other end of the worm is connected with the casing through the sealed bearing and extends to the outside of the casing, the one end of the worm is connected with the output shaft coupling of the motor, the lower part of the worm is connected with the worm wheel, the middle part of the worm wheel is fixedly installed with the rotating shaft, the oil injection hole of the upper part of the casing is equipped with the oil injection threaded plug, the outside of casing is installed with the oil injection pipe assembly, the oil injection pipe assembly includes the mounting seat and the oil injection pipe, the upper part of mounting seat is equipped with the rotary pipe, the lower end of rotary pipe is closed and is connected with the mounting seat pin shaft, the opening of the one end of rotary pipe is equipped with the oil injection needle, the one end of oil injection pipe is fixedly installed with the oil outlet valve between the oil outlet hole of the one side of casing, the inside of oil injection pipe is equipped with the push rod.
[0006] Preferably, the outer end of the oil injection needle is directed towards the rotating shaft.
[0007] Preferably, the push rod is integrally provided with a piston at one end inside the oil injection pipe.
[0008] Preferably, the piston is slidingly sealed inside the oil injection pipe.
[0009] Preferably, the front and rear ends of the rotating shaft are connected with the casing through sealed bearings.
[0010] Preferably, the front side of the shell is fixedly provided with a supporting lug.
[0011] Compared with the prior art, the worm gear speed reducer has the advantages that:
[0012] 1. In the utility model, the setting of the mounting seat, the rotating pipe, the oil injection needle, the oil injection pipe, the oil outlet valve, the push rod and the hose is favorable for lubricating the rotating shaft of the worm gear speed reducer and reducing the abrasion of the rotating shaft and the sealing bearing connecting the rotating shaft and the shell.
[0013] 2. In the utility model, the setting of the worm, the worm gear, the rotating shaft and the motor is favorable for connecting with external loads and driving the external loads. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a structural schematic view of the utility model.
[0015] Figure 2 is a structural schematic view of the inside of the shell of the utility model.
[0016] Figure 3 is a structural schematic view of the oil injection pipe assembly of the utility model.
[0017] IN THE DRAWINGS:
[0018] 1, shell; 11, worm; 12, worm gear; 13, rotating shaft; 2, motor; 3, oil injection threaded plug; 4, supporting lug; 5, oil injection pipe assembly; 51, mounting seat; 52, rotating pipe; 53, oil injection needle; 54, oil injection pipe; 55, oil outlet valve; 56, push rod; 57, hose. DETAILED DESCRIPTION
[0019] The utility model will be specifically described in combination with the drawings, such as the drawings Figure 1 and Figure 3 shown, a new type of worm gear speed reducer, including shell 1, the inside of shell 1 is installed with worm 11, the right side of shell 1 is fixedly installed with motor 2, one end of worm 11 is installed in the inside of shell 1 through bearing, the other end of worm 11 is connected with shell 1 through sealing bearing and extends to the outside of shell 1, one end of worm 11 is connected with the output shaft coupling of motor 2, the lower part of worm 11 is engagedly connected with worm gear 12, the middle part of worm gear 12 is fixedly installed with rotating shaft 13, the oil injection hole of the upper part of shell 1 is threadedly connected with oil injection threaded plug 3, and oil injection pipe assembly 5 is installed outside shell 1.
[0020] In the embodiment, in combination with the drawings Figure 2As shown, the oil injection pipe assembly 5 comprises a mounting seat 51 and an oil injection pipe 54, the upper portion of the mounting seat 51 is provided with a rotating pipe 52, the lower end of the rotating pipe 52 is provided in a closed shape and is connected with the mounting seat 51 through a pin shaft, the end of the rotating pipe 52 away from the mounting seat 51 is threadedly connected with an oil injection needle 53 at an opening, an oil outlet valve 55 is fixedly installed between one end of the oil injection pipe 54 and an oil outlet hole formed in one side of the shell 1, a push rod 56 is arranged in the oil injection pipe 54, the rotating pipe 52 is overlapped on the support protrusion 4, the user opens the oil outlet valve 55, pulls the push rod 56, the lubricating oil in the shell 1 enters the oil injection pipe 54, the oil outlet valve 55 is closed, the push rod 56 is pushed, so that the lubricating oil drops on the position of the rotating shaft 13 through the hose 57, the rotating pipe 52 and the oil injection needle 53, the sealing bearing connecting the rotating shaft 13 and the shell 1 and the rotating shaft 13 are lubricated, after the lubrication is completed, the user rotates the rotating pipe 52 to the outside, so that the rotating pipe 52 does not affect the normal operation of the external load.
[0021] In this embodiment, specifically, the outer end of the oil injection needle 53 is towards the rotating shaft 13.
[0022] In this embodiment, specifically, the one end of the push rod 56 arranged in the oil injection pipe 54 is integrally provided with a piston.
[0023] In this embodiment, specifically, the piston sliding seal is arranged in the inside of the oil injection pipe 54.
[0024] In this embodiment, specifically, the front and rear ends of the rotating shaft 13 are connected with the shell 1 through sealing bearings.
[0025] In this embodiment, specifically, the front side of the shell 1 is fixedly installed with the support protrusion 4.
[0026] Working principle
[0027] In the utility model, the transmission shaft of the external load is keyed connected with the rotating shaft 13, the motor 2 drives the worm 11 to rotate, thereby driving the worm gear 12 to rotate, the worm gear 12 drives the external load through the rotating shaft 13, realizes the function of driving the external load, and the external lubricating oil can be filled into the shell 1 through the opening of the oil injection threaded plug 3 to lubricate the worm 11 and the worm gear 12.
[0028] The technical scheme disclosed in the utility model, or the technical scheme designed by the person skilled in the art under the inspiration of the technical scheme of the utility model, can achieve the above technical effects, and falls within the protection scope of the utility model.
Claims
1. A novel worm and gear speed reducer characterized by, The novel worm gear speed reducer includes a shell (1), a worm (11) is installed inside the shell (1), a motor (2) is fixedly installed on the right side of the shell (1), one end of the worm (11) is installed inside the shell (1) through a bearing, the other end of the worm (11) is connected with the shell (1) through a sealing bearing and extends to the outside of the shell (1), the one end of the worm (11) is connected with the output shaft coupling of the motor (2), the lower part of the worm (11) is meshingly connected with a worm gear (12), the middle part of the worm gear (12) is fixedly installed with a rotating shaft (13), an oil injection threaded plug (3) is threadedly connected at the oil injection hole formed in the upper part of the shell (1), an oil injection pipe assembly (5) is installed outside the shell (1), the oil injection pipe assembly (5) includes a mounting seat (51) and an oil injection pipe (54), a rotating pipe (52) is arranged on the upper part of the mounting seat (51), the lower end of the rotating pipe (52) is arranged in a closed manner and is connected with the mounting seat (51) through a pin shaft, an oil injection needle (53) is threadedly connected at the opening formed in the end of the rotating pipe (52) away from the mounting seat (51), an oil outlet valve (55) is fixedly installed between one end of the oil injection pipe (54) and the oil outlet hole formed in one side of the shell (1), and a push rod (56) is arranged inside the oil injection pipe (54).
2. The new type of worm wheel and worm speed reducer according to claim 1, characterized in that, The outer end of the oil injection needle (53) faces the rotating shaft (13).
3. The new type of worm wheel and worm speed reducer according to claim 1, characterized in that, The end of the push rod (56) arranged inside the oil injection pipe (54) is integrally provided with a piston.
4. The new type of worm wheel and worm speed reducer according to claim 3, characterized in that, The piston is slidingly sealed inside the oil injection pipe (54).
5. The new type of worm wheel and worm speed reducer according to claim 1, characterized in that, The front and rear ends of the rotating shaft (13) are connected with the shell (1) through sealing bearings.
6. The new type of worm wheel and worm speed reducer according to claim 1, characterized in that, The front side of the shell (1) is fixedly installed with a supporting lug (4).