CN216430458U

CN216430458U - Speed reducer with good sealing effect

Info

Publication number: CN216430458U
Application number: CN202122344016.2U
Authority: CN
Inventors: 何锡欢
Original assignee: Foshan Longhuatai Technology Development Co ltd
Current assignee: Foshan Longhuatai Technology Development Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-05-03
Anticipated expiration: 2031-09-26

Abstract

The utility model belongs to the speed reducer field, concretely relates to sealed effectual speed reducer, including the speed reducer body, the lid behind the outside of speed reducer body has through threaded connection, cover the fixedly connected with rubber buffer behind, rubber buffer and this body contact of speed reducer, the traveller of two symmetric distributions of outside fixedly connected with of speed reducer body, every the outside slip of traveller has cup jointed the cardboard, the cardboard contacts with the back lid. The utility model discloses a design a box of refueling on the speed reducer body, can store lubricating oil in the box of refueling, when needing this internal planetary gear filling lubricating oil of speed reducer, only need reverse turn button for the threaded rod produces ascending displacement with the screw motion of box of refueling, and the second spring is contracted back and is driven the sealing plug rebound this moment, and then makes the runner of box of refueling expose, and refuel the lubricating oil in the box and can fill planetary gear through the runner on, convenience very.

Description

Speed reducer with good sealing effect

Technical Field

The utility model relates to a speed reducer field specifically is a sealed effectual speed reducer.

Background

The planetary reduction gear is a planetary reduction gear device for reducing the output rotation speed of a prime mover and improving the output torque. Compared with a common cylindrical gear reducer, the planetary reducer has the advantages of small size, light weight, high bearing capacity, wide transmission ratio range, high transmission efficiency and the like. However, after the rear cover of the existing planetary reducer is installed, the sealing effect is poor, dust easily enters the interior of the planetary reducer from the joint of the rear cover and the shell of the planetary reducer, and the planetary gear of the planetary reducer is inconvenient to be filled with lubricating oil. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual speed reducer, the back lid of having solved current planetary reducer is in the installation back, and sealed effect is not good, and inside the dust entered into planetary reducer from the seam crossing of back lid and planetary reducer's casing easily to planetary reducer's the inconvenient problem of filling lubricating oil of planetary gear.

In order to achieve the above object, the utility model provides a following technical scheme: a speed reducer with good sealing effect comprises a speed reducer body, wherein the outer part of the speed reducer body is connected with a rear cover through threads, a rubber plug is fixedly connected onto the rear cover and is in contact with the speed reducer body, two symmetrically distributed sliding columns are fixedly connected onto the outer part of the speed reducer body, a clamping plate is sleeved on the outer part of each sliding column in a sliding mode and is in contact with the rear cover, a clamping block is fixedly connected onto the clamping plate, a clamping groove is formed in the rear cover, a clamping block is clamped in the clamping groove, a first spring is sleeved on the outer part of each sliding column, an oil filling box is fixedly connected onto the speed reducer body, a flow channel is formed in the bottom of the oil filling box, a sealing plug is contacted with the bottom of the inner side of the oil filling box, a threaded rod is connected into the oil filling box through threads, the bottom of the threaded rod is contacted with a sealing plug, and a rotating button is fixedly connected onto the top of the threaded rod, the threaded rod is sleeved with a second spring, an oil level window is fixedly connected to the oil adding box, an oil filling hole is formed in the top of the oil adding box, and a hole plug is connected to the inside of the oil filling hole through threads.

Preferably, one end of the second spring is fixedly connected with a sealing plug, and the other end of the second spring is fixedly connected with the inner surface of the oil filling box.

Preferably, one end of the first spring is fixedly connected with the speed reducer body, and the other end of the first spring is fixedly connected with the clamping plate.

Preferably, the sliding column is fixedly connected with a limiting block, and the limiting block is made of stainless steel.

Preferably, the sliding column is in a square column shape and is made of stainless steel.

Preferably, the number of the clamping grooves is multiple, and the multiple clamping grooves are uniformly distributed on the rear cover.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a design a box of refueling on the speed reducer body, can store lubricating oil in the box of refueling, when needing this internal planetary gear filling lubricating oil of speed reducer, only need reverse turn button for the threaded rod produces ascending displacement with the screw motion of box of refueling, and the second spring is contracted back and is driven the sealing plug rebound this moment, and then makes the runner of box of refueling expose, and refuel the lubricating oil in the box and can fill planetary gear through the runner on, convenience very.

2. The utility model discloses a cover the design rubber buffer behind the speed reducer body to design parts such as traveller, cardboard, the fixture block, the stopper, first spring on the shell of speed reducer body, after the back lid is installed on the speed reducer body, the rubber buffer receives the extrusion, play fine sealed effect between speed reducer body and the back lid, it is internal to prevent that the dust from entering into the speed reducer body, and through the joint cooperation of fixture block and back lid, the not hard up of back lid has been prevented, make the sealed effect of rubber buffer remain throughout.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged view of the structure of part a of fig. 1 according to the present invention;

fig. 3 is an enlarged view of the oil box structure of fig. 1 according to the present invention.

In the figure: 1. a speed reducer body; 2. a rear cover; 3. a rubber plug; 4. a traveler; 5. clamping a plate; 6. a clamping block; 7. a card slot; 8. a limiting block; 9. a first spring; 10. an oil adding box; 11. a flow channel; 12. a sealing plug; 13. a threaded rod; 14. turning a button; 15. a second spring; 16. an oil level window; 17. an oil filling hole; 18. and (4) plugging the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a reducer with good sealing effect comprises a reducer body 1, a rear cover 2 is connected to the outside of the reducer body 1 through a screw thread, a rubber plug 3 is fixedly connected to the rear cover 2, the rubber plug 3 contacts with the reducer body 1, two symmetrically distributed sliding columns 4 are fixedly connected to the outside of the reducer body 1, a clamping plate 5 is slidably sleeved on the outside of each sliding column 4, the clamping plate 5 contacts with the rear cover 2, a clamping block 6 is fixedly connected to the clamping plate 5, a clamping groove 7 is formed in the rear cover 2, the clamping block 6 is clamped in the clamping groove 7, a first spring 9 is sleeved on the outside of each sliding column 4, an oil filling box 10 is fixedly connected to the reducer body 1, a flow channel 11 is formed at the bottom of the oil filling box 10, a threaded rod 13 is connected to the bottom of the inner side of the oil filling box 10 through a screw thread, a sealing plug 12 is contacted to the bottom of the sealing plug 13, the top fixedly connected with turn-button 14 of threaded rod 13, the outside of threaded rod 13 has cup jointed second spring 15, refuels fixedly connected with oil level window 16 on the box 10, refuels the top of box 10 and has seted up oil filler hole 17, has plug 18 through threaded connection in the oil filler hole 17.

Referring to fig. 1, one end of the second spring 15 is fixedly connected to the sealing plug 12, and the other end of the second spring 15 is fixedly connected to the inner surface of the oil filling box 10. The second spring 15 is designed to assist the return of the sealing plug 12.

Referring to fig. 1, one end of the first spring 9 is fixedly connected to the reducer body 1, and the other end of the first spring 9 is fixedly connected to the clamping plate 5. By the design of the first spring 9, a reaction force can be exerted on the catch plate 5.

Referring to fig. 1, a limiting block 8 is fixedly connected to the sliding column 4, and the limiting block 8 is made of stainless steel. Through the design of stopper 8, have limiting displacement to cardboard 5.

Referring to fig. 1, the sliding column 4 is a square column, and the sliding column 4 is made of stainless steel. Through the design of the square column shape of the processing slide column 4, the clamping plate 5 is prevented from rotating by itself.

Referring to fig. 1, the number of the slots 7 is plural, and the plural slots 7 are uniformly distributed on the rear cover 2. Through the design of draw-in groove 7, with the cooperation of fixture block 6, played spacing effect to back lid 2.

The utility model discloses the concrete implementation process as follows: during use, the rear cover 2 is in threaded connection with the tail of the speed reducer body 1, the rear cover 2 continuously rotates, the rubber plug 3 on the rear cover 2 is in contact with the speed reducer body 1 and is extruded, the rubber plug 3 generates certain deformation, a good sealing effect is achieved between the speed reducer body 1 and the rear cover 2, then the clamping plate 5 is pulled, the clamping plate 5 slides on the sliding column 4 and stretches the first spring 9, when the clamping groove 7 on the rear cover 2 rotates to the position where the clamping block 6 on the clamping plate 5 is leveled, the rear cover 2 stops rotating, then the clamping plate 5 is loosened, at the moment, the first spring 9 resets to drive the clamping plate 5 to be in contact with the rear cover 2, the clamping block 6 on the clamping plate 5 is clamped into the clamping groove 7, the rear cover 2 is limited, the looseness of the rear cover 2 is prevented, and the sealing effect of the rubber plug 3 is always kept;

then, lubricating oil is added into the oil filling box 10 through the oil filling hole 17, an oil level window 16 on the oil filling box 10 can directly observe the oil level condition in the oil filling box 10 from the external appearance, when the lubricating oil in the oil filling box 10 is full, the hole plug 18 is in threaded connection with the oil filling hole 17, when the speed reducer body 1 is used for a period of time, the lubricating oil needs to be filled into a planetary gear in the speed reducer body 1, at the moment, only the rotating knob 14 needs to be rotated reversely, so that the threaded rod 13 and the threaded motion of the oil filling box 10 generate upward displacement, at the moment, the second spring 15 retracts to drive the sealing plug 12 to move upwards, so that the flow channel 11 of the oil filling box 10 is exposed, the lubricating oil in the oil filling box 10 can be filled onto the planetary gear through the flow channel 11, and the convenience is achieved, after the filling is finished, only the rotating knob 14 needs to rotate the threaded rod 13, the threaded rod 13 moves downwards through the threaded motion of the oil filling box 10, at this time, the threaded rod 13 pushes the sealing plug 12 to contact the bottom of the refueling cartridge 10 and block the flow passage 11, and the lubricating oil stays in the refueling cartridge 10 for the next use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed effectual speed reducer, includes speed reducer body (1), its characterized in that: the outer part of the speed reducer body (1) is connected with a rear cover (2) through threads, a rubber plug (3) is fixedly connected onto the rear cover (2), the rubber plug (3) is in contact with the speed reducer body (1), two symmetrically distributed sliding columns (4) are fixedly connected onto the outer part of the speed reducer body (1), a clamping plate (5) is sleeved on the outer part of each sliding column (4) in a sliding mode, the clamping plate (5) is in contact with the rear cover (2), a clamping block (6) is fixedly connected onto the clamping plate (5), a clamping groove (7) is formed in the rear cover (2), a clamping block (6) is clamped into the clamping groove (7), a first spring (9) is sleeved on the outer part of each sliding column (4), an oil adding box (10) is fixedly connected onto the speed reducer body (1), a flow channel (11) is formed in the bottom of the oil adding box (10), and a sealing plug (12) is in contact with the bottom of the inner side of the oil adding box (10), have threaded rod (13) through threaded connection in the case that adds oil (10), the bottom contact of threaded rod (13) has sealing plug (12), top fixedly connected with turn-button (14) of threaded rod (13), second spring (15) have been cup jointed to the outside of threaded rod (13), fixedly connected with oil level window (16) on the case that adds oil (10), oil filler hole (17) have been seted up at the top of the case that adds oil (10), there is hole stopper (18) through threaded connection in oil filler hole (17).

2. The reducer with good sealing effect according to claim 1, wherein: one end of the second spring (15) is fixedly connected with a sealing plug (12), and the other end of the second spring (15) is fixedly connected to the inner surface of the oil filling box (10).

3. The reducer with good sealing effect according to claim 1, wherein: one end fixedly connected with speed reducer body (1) of first spring (9), the other end fixedly connected with cardboard (5) of first spring (9).

4. The reducer with good sealing effect according to claim 1, wherein: fixedly connected with stopper (8) on traveller (4), stopper (8) are stainless steel.

5. The reducer with good sealing effect according to claim 1, wherein: the sliding column (4) is in a square column shape, and the sliding column (4) is made of stainless steel.

6. The speed reducer with good sealing effect as claimed in claim 1, wherein: the number of the clamping grooves (7) is multiple, and the clamping grooves (7) are evenly distributed on the rear cover (2).