CN217328400U

CN217328400U - Planetary reducer

Info

Publication number: CN217328400U
Application number: CN202220341901.7U
Authority: CN
Inventors: 王昭君; 吴敏康; 莫林云
Original assignee: Zhejiang Weili Transmission Co ltd
Current assignee: Zhejiang Weili Transmission Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-30
Anticipated expiration: 2032-02-21

Abstract

The application relates to a planetary reducer, which comprises a body and an oil injection assembly, wherein the oil injection assembly comprises an oil delivery piece, an oil cylinder and a flow stopping piece; the body is equipped with the oil filler point, and oil transportation spare one end and oil filler point are connected, and an oil section of thick bamboo is equipped with the opening along self length one end, and an oil section of thick bamboo is equipped with the scale simultaneously, and the oil transportation spare other end and an oil section of thick bamboo are kept away from open-ended one end and are connected, and the piece that only flows is installed on oil transportation spare, and the piece that only flows is used for controlling the switching of oil transportation spare. Oil cylinder utilizes the oil filler point of oil transportation piece intercommunication body, during the oiling, the user operates earlier and ends the flow control oil transportation piece and close, pour lubricating oil into oil cylinder into from the opening afterwards, and according to the correspondence of liquid level and scale mark in the oil cylinder, realize adding quantitative lubricating oil to the oil cylinder in, the operation is ended the fluid passageway in the flow control oil transportation piece and is opened this moment, lubricating oil flows through oil transportation piece and oil filler point entering originally internally from the oil cylinder under the action of gravity, therefore, manual completion ration oiling, in order to satisfy the working requirement of speed reducer.

Description

Planetary reducer

Technical Field

The application relates to the field of speed reducers, in particular to a planetary speed reducer.

Background

The planetary reducer is used as power transmission equipment, reduces the speed of a motor, matches the rotating speed of a working machine, obtains larger transmission torque, and is widely applied to modern machinery. The condition of lubricating oil loss can appear because of work operation in the planetary reducer, probably because the disappearance of lubricating oil causes the damage of planetary reducer internal mechanism, and then influences the work efficiency of machine, shortens planetary reducer's life.

At present, the manual mode oil injection is often adopted for the planetary reducer, and the oil mass is injected into too much oil and is easy to overflow, when causing the waste to lubricating oil, splashes to the planetary reducer surface, produces the potential safety hazard. The oil mass is injected too little, and the working efficiency is influenced by insufficient lubricating oil when the planetary reducer works and operates.

SUMMERY OF THE UTILITY MODEL

In order to realize quantitative injection lubricating oil in order to satisfy the work demand of speed reducer, this application provides a planetary reducer.

The application provides a planetary reducer adopts following technical scheme:

a planetary reducer characterized in that: the oil injection assembly comprises an oil conveying part, an oil cylinder and a flow stopping part; the body is equipped with the oil filler point, oil transportation spare one end and oil filler point intercommunication, oil cylinder is equipped with the opening along self length one end, simultaneously oil cylinder is equipped with the scale, oil transportation spare other end and oil cylinder keep away from open-ended one end intercommunication, only flow the piece and install on oil transportation spare, only flow the piece and be used for controlling the switching of oil transportation spare.

Through adopting above-mentioned technical scheme, the oil cylinder utilizes the oil filler point of oil transportation piece intercommunication body, during the oiling, the user operates earlier and ends a class control oil transportation piece and close, pour into lubricating oil into the oil cylinder from the opening afterwards, and according to the correspondence of liquid level and scale mark in the oil cylinder, realize adding quantitative lubricating oil to the oil cylinder in, the operation ends the class control oil transportation piece at this moment and opens the fluid passageway in the oil transportation piece, lubricating oil flows through oil transportation piece and oil filler point entering originally internally from the oil cylinder under the action of gravity, therefore, manual completion ration oiling, in order to satisfy the working requirement of speed reducer.

Preferably, the oil delivery part comprises an oil delivery hose, one end of the oil delivery hose is communicated with the oil filling hole, and the other end of the oil delivery hose is communicated with one end, far away from the opening, of the oil cylinder.

Through adopting above-mentioned technical scheme, the oil transportation piece adopts the oil transportation hose, compares the hard tube, and oil transportation hose angle of adjustment, position flexibility are better, and handheld oiling subassembly accessible oil transportation hose nature adjustment operating angle and position make things convenient for personnel to operate oiling subassembly during the user's oiling.

Preferably, the flow stopping piece comprises a flow stopping clip, and the flow stopping clip is mounted on the oil conveying piece.

By adopting the technical scheme, the flow stopping clamp is integrally molded without sharp edges and can not rust or deform, the closing of the oil conveying piece can be adjusted by lightly pressing with a thumb, and the opening and closing control effect of the flow stopping clamp on the oil conveying piece is better.

Preferably, the oil injection assembly comprises a driving part and a piston, the driving part is used for driving the piston to move, the piston is coaxially and slidably embedded into the oil cylinder, and the piston is detachably connected to the oil cylinder.

By adopting the technical scheme, when oil is required to be injected, the piston is taken out of the oil cylinder, then required amount of lubricating oil is added from the opening of the oil cylinder, the piston is embedded into the oil cylinder after the oil is added, and the driving piece drives one end of the piston to inject the lubricating oil into the body.

Preferably, the oil injection assembly comprises a connecting piece which is detachably connected to the oil cylinder and covers the opening.

By adopting the technical scheme, the connecting piece is connected with the oil cylinder and covers the opening, and when the oil injection assembly is idle, the connecting piece can prevent sundries from entering the oil cylinder and keep the interior of the cylinder clean; when the lubricating oil injection device is used, the connecting piece is disassembled to inject lubricating oil into the oil cylinder from the opening.

Preferably, the driving piece is including inserting the dead man, insert the dead man and locate in the oil drum, connecting piece center department is equipped with the through-hole, plug pole one end and piston fixed connection, insert the dead man other end and pass and stretch out the connecting piece behind the through-hole, just insert dead man and connecting piece sliding connection.

Through adopting above-mentioned technical scheme, set up plug pole and make things convenient for user of service plug piston, conveniently accomplish manual oiling, improved the efficiency of whole oiling operation.

Preferably, the driving member includes a spring, one end of the spring is fixedly connected to the piston, and the other end of the spring is fixedly connected to the connecting member.

Through adopting above-mentioned technical scheme, on the one hand, refuel and accomplish back piston stopper oil return cylinder, return oil cylinder with the connecting piece installation, drive the piston and push down under the effect of spring elastic force afterwards, pour into planetary reducer with lubricating oil in. On the other hand, the planetary reducer can rub and generate heat in the working and running process, and then high-pressure oil gas can be possibly generated, and the high-pressure oil gas is introduced into the oil cylinder through the oil injection hole and the oil conveying piece so as to reduce the pressure in the body.

Preferably, the driving piece includes the jump ring, the periphery of inserting the dead lever is located to the jump ring, the jump ring is located the one side that the connecting piece deviates from the oil cylinder, just the external diameter of jump ring is greater than the internal diameter of through-hole.

Through adopting above-mentioned technical scheme, when user of service takes out the piston from the oil drum, only need to grip the connecting piece and can drive the plug pole fixed with the jump ring, move together with the piston that the plug pole is fixed, make things convenient for user of service to take out the piston from the oil drum.

Preferably, the outer periphery of the piston is provided with a first sealing ring, and the outer periphery of the first sealing ring is in sliding fit with the inner periphery of the oil cylinder and is in sliding sealing.

Through adopting above-mentioned technical scheme, first sealing washer promotes the leakproofness between piston and the oil section of thick bamboo.

Preferably, the oil filler point is equipped with the screw thread, oil transportation spare includes the glib talker, glib talker threaded connection is in the oil filler point, the interior week of oil filler point is equipped with the second sealing washer, the periphery of the interior week laminating oil transportation spare of second sealing washer is sealed.

By adopting the technical scheme, the oil conveying piece is in threaded connection with the oil filling hole, and the second sealing ring is arranged between the oil conveying piece and the oil filling hole; on one hand, the sealing between the oil conveying piece and the oil filling hole is improved, and the lubricating oil is prevented from overflowing; on the other hand, the friction between the oil conveying piece and the oil injection hole is increased, and friction looseness prevention can be achieved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the flow stopping piece is matched with the scales to realize quantitative oil feeding to the oil cylinder, then the flow stopping piece is operated to control the conduction of the oil conveying piece, the quantitative injection of lubricating oil is realized to meet the working requirement of the speed reducer, the oil is not leaked or spilled in the oil injection process, the structure is simple, and the operation is convenient;

2. when the plug-in and pull-out of the plug-in and pull-out device is carried out, a user only needs to hold the connecting piece to drive the plug-in and pull-out rod fixed with the clamp spring and can drive the piston fixed with the plug-in and pull-out rod together, and the operation of the user is convenient;

3. the oil cylinder drives the piston to press down under the action of the elastic force of the spring after being filled with oil, lubricating oil is injected into the planetary reducer, the oil speed is uniform in the oil injection process, and the operation of personnel is not needed.

Drawings

Fig. 1 is a schematic view of an overall structure of a planetary reducer according to an embodiment of the present application.

FIG. 2 is a schematic structural diagram of an oil injection assembly according to an embodiment of the present application.

FIG. 3 is a structural sectional view of the oiling assembly according to the embodiment of the application.

Fig. 4 is a schematic structural diagram of an oil transfer unit according to an embodiment of the present application.

Fig. 5 is a partially enlarged view of a point a in fig. 2.

Description of reference numerals: 1. an oiling component; 11. an oil cylinder; 111. calibration; 12. a piston; 121. a first seal ring; 122. a groove; 13. a connecting member; 131. a through hole; 14. a drive member; 141. a spring; 142. inserting and pulling a rod; 143. a clamp spring; 2. a body; 21. an oil filler hole; 211. a second seal ring; 3. an oil transfer member; 31. a nozzle tip; 4. a flow stopping member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Referring to fig. 1, the embodiment of the application discloses a planetary reducer, which comprises a body 2 and an oil injection assembly 1.

Referring to fig. 2 and 3, the oil injecting assembly 1 includes an oil cylinder 11, a piston 12, a driving member 14, and a connecting member 13.

The oil cylinder 11 is used for containing lubricating oil, and the oil cylinder 11 is transparent in material. In one embodiment, the oil cylinder 11 is a cylinder made of transparent plastic material. The side surface of the oil cylinder 11 is provided with a scale 111 for identifying the amount of oil required for a single injection. Because the oil cylinder 11 is made of transparent plastic, a user can clearly observe the relative position between the scale 111 and the liquid level in the cylinder, and further the user can visually know the oil amount in the oil cylinder 11. In one embodiment, the side surface of the oil cylinder 11 is provided with a scale 111 for identifying the amount of oil required for a single injection. In another embodiment, the side surface of the oil cylinder 11 is provided with a plurality of scales 111, which correspond to a measuring cylinder for measuring the amount of oil in the oil cylinder 11.

Referring to fig. 3, the oil cylinder 11 is provided with an opening along one end of its length, and the connecting member 13 is detachably connected to the oil cylinder 11 and covers the opening. In one embodiment, the outer circumference of the open end of the oil cylinder 11 is threaded, and the inner circumference of the connecting member 13 is threaded to correspond to the outer circumference of the open end of the oil cylinder 11.

The piston 12 is coaxially and slidably embedded in the oil cylinder 11, and the piston 12 is detachably connected to the oil cylinder 11. The periphery of the piston 12 is provided with a groove 122, the periphery of the piston 12 is sleeved with a first sealing ring 121, and the first sealing ring 121 is embedded in the groove 122. The outer periphery of the first seal ring 121 is slidably fitted to the inner periphery of the oil cylinder 11 and is slidably sealed.

The driving member 14 includes a spring 141, and the spring 141 is disposed in the oil cylinder 11. One end of the spring 141 is fixedly connected to the piston 12, and the other end of the spring 141 is fixedly connected to the connecting member 13. When the piston 12 abuts against the bottom of the oil cylinder 11, the spring 141 is in a compressed state or an original state.

The center of the connecting member 13 is provided with a through hole 131. The driving member 14 further includes a plunging lever 142. One end of the plug rod 142 is fixedly connected with the piston 12, and the other end of the plug rod 142 extends out of the connecting piece 13 after passing through the through hole 131. The plug rod 142 is slidably connected to the connecting member 13, and a space is provided between an outer circumference of the plug rod 142 and an inner circumference of the through hole 131, so that the plug rod 142 can rotate in the through hole 131. In one embodiment, the end of the insertion/extraction rod 142 remote from the piston 12 is provided with a handle for a user to hold.

Referring to fig. 4, the driving member 14 further includes a clamp spring 143, the clamp spring 143 is sleeved on the outer periphery of the insertion rod 142, and an outer diameter of the clamp spring 143 is larger than an inner diameter of the through hole 131, so that the clamp spring 143 is used for abutting against an end surface of the connecting member 13. On one hand, the snap spring 143 is provided to prevent the plug rod 142 from separating from the connecting member 13. In a second aspect, when the piston is taken out of the oil drum due to the arrangement of the snap spring 143, a user only needs to hold the connecting piece 13 to drive the plugging rod 142 fixed to the snap spring 143 to move, and the piston 12 fixed to the plugging rod 142 can be driven to move out of the oil drum after the plugging rod 142 is driven to move, so that the piston can be taken out of the oil drum.

Referring to fig. 2 and 5, the body 2 is provided with an oil hole 21. In one embodiment, the oil filler hole 21 is provided with a thread. One end of the oil transportation piece 3 is provided with an oil nozzle 31, the oil nozzle 31 is in threaded connection with the oil filling hole 21, the inner periphery of the oil filling hole 21 is provided with a second sealing ring 211, and the inner periphery of the second sealing ring 211 is attached to the outer periphery of the oil transportation piece 3 and sealed. On one hand, the sealing between the oil delivery member 3 and the oil filling hole 21 is improved, and the lubricating oil is prevented from overflowing; on the other hand, the friction between the oil transportation piece 3 and the oil injection hole 21 is improved, and friction anti-loosening can be realized.

The other end of the oil transportation part 3 is communicated with one end, far away from the opening, of the oil cylinder 11, the flow stopping part 4 is installed on the oil transportation part 3, and the flow stopping part 4 is used for controlling the opening and closing of the oil transportation part 3.

Referring to fig. 2 and 5, in the present embodiment, the oil delivery member 3 is an oil delivery hose, one end of the oil delivery hose is communicated with the oil nipple 31, and the other end of the oil delivery hose is communicated with the oil cylinder 11. When a user carries out oil injection, the oil injection assembly 1 can be held by the user, the operating angle and the operating direction can be adjusted through the property of the oil delivery hose, and the oil injection assembly 1 can be conveniently operated by the user. Meanwhile, the flow stopping piece 4 adopts a Robert type flow stopping clamp which is originally used for clamping and closing the medical infusion catheter. The flow stopping clip is integrally molded, has no sharp edge, does not rust or deform, and can adjust the opening and closing of the oil conveying part 3 only by lightly pressing with a thumb.

In another embodiment, the oil filling hole 21 is internally unthreaded, the oil delivery member 3 is tubular, one end of the oil delivery member 3 is fixedly connected (welded or bonded, etc.) to the body, and the oil delivery member 3 is communicated with the oil filling hole 21; the other end of the oil delivery member 3 is communicated with the oil cylinder 11.

The implementation principle of the planetary reducer in the embodiment of the application is as follows: during oil injection, the connecting piece 13 in threaded connection is firstly rotated to separate the connecting piece 13 from the oil cylinder 11, and a user can drive the plugging rod 142 fixed with the snap spring 143 by gripping the connecting piece 13 with hands, and simultaneously drive the piston 12 fixed with the plugging rod 142 to pull the piston 12 out of the oil cylinder 11.

Then, the flow stopping member 4 is operated to control the oil delivery member 3 to close, then the lubricating oil is injected into the oil cylinder 11 from the opening, and the quantitative lubricating oil is added into the oil cylinder 11 according to the correspondence between the liquid level in the oil cylinder 11 and the scale 111 line. A user holds the connecting piece 13 to insert the piston 12 into the oil cylinder 11 and then returns the connecting piece 13, at the moment, the flow stopping piece 4 is operated again to control the conduction of the oil conveying piece 3, the elastic force of the spring 141 drives the piston 12 to move, lubricating oil is injected into the oil injection hole 21 from the inside of the oil cylinder 11 through the oil conveying piece 3, and therefore quantitative oil injection is manually completed to meet the working requirements of the planetary reducer.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A planetary reducer characterized in that: the oil injection device comprises a body (2) and an oil injection assembly (1), wherein the oil injection assembly (1) comprises an oil conveying part (3), an oil cylinder (11) and a flow stopping part (4); the body (2) is equipped with oil filler point (21), oil transportation spare (3) one end and oil filler point (21) intercommunication, oil cylinder (11) are equipped with the opening along self length one end, simultaneously oil cylinder (11) are equipped with scale (111), open-ended one end intercommunication is kept away from to the oil transportation spare (3) other end and oil cylinder (11), it installs on oil transportation spare (3) to only flow spare (4), only flow spare (4) are used for controlling the switching of oil transportation spare (3).

2. A planetary reducer according to claim 1, characterized in that: the oil conveying piece (3) comprises an oil conveying hose, one end of the oil conveying hose is communicated with the oil filling hole (21), and the other end of the oil conveying hose is communicated with one end, far away from the opening, of the oil cylinder (11).

3. A planetary reducer as claimed in claim 1, wherein: the flow stopping piece (4) comprises a flow stopping clip, and the flow stopping clip is arranged on the oil conveying piece (3).

4. A planetary reducer according to claim 1, characterized in that: the oil injection assembly (1) comprises a driving piece (14) and a piston (12), wherein the driving piece (14) is used for driving the piston (12) to move, the piston (12) is coaxially and slidably embedded into the oil cylinder (11), and the piston (12) is detachably connected to the oil cylinder (11).

5. The planetary reducer according to claim 4, wherein: the oil injection assembly (1) comprises a connecting piece (13), and the connecting piece (13) is detachably connected to the oil cylinder (11) and covers the opening.

6. The planetary reducer according to claim 5, wherein: the driving piece (14) comprises a plug rod (142), the plug rod (142) is arranged in the oil cylinder (11), a through hole (131) is formed in the center of the connecting piece (13), one end of the plug rod (142) is fixedly connected with the piston (12), the other end of the plug rod (142) penetrates through the through hole (131) and then extends out of the connecting piece (13), and the plug rod (142) is connected with the connecting piece (13) in a sliding mode.

7. The planetary reducer according to claim 4, wherein: the driving piece (14) comprises a spring (141), one end of the spring (141) is fixedly connected with the piston (12), and the other end of the spring (141) is fixedly connected with the connecting piece (13).

8. A planetary reducer according to claim 7, wherein: the driving piece (14) comprises a clamp spring (143), the periphery of the plug rod (142) is arranged on the clamp spring (143), the clamp spring (143) is located on one side, deviating from the oil cylinder (11), of the connecting piece (13), and the outer diameter of the clamp spring (143) is larger than the inner diameter of the through hole (131).

9. The planetary reducer according to claim 4, wherein: the outer periphery of the piston (12) is provided with a first sealing ring (121), and the outer periphery of the first sealing ring (121) is in sliding fit with the inner periphery of the oil cylinder (11) and is in sliding sealing.

10. A planetary reducer according to claim 1, characterized in that: the oil filler point (21) is equipped with the screw thread, oil transportation spare (3) are including glib talker (31), glib talker (31) threaded connection is in oil filler point (21), the interior week of oil filler point (21) is equipped with second sealing washer (211), the periphery of the interior week laminating oil transportation spare (3) of second sealing washer (211) is sealed.