CN210290610U - Gear box with dustproof type lubricating mechanism - Google Patents

Abstract

The utility model discloses a gear box with a dustproof type lubricating mechanism, which comprises a box body, a power input shaft, a transmission gear and a power output shaft, wherein an inner cavity is arranged in the box body, and a connecting port for communicating the inner cavity with the outside is arranged on one side of the box body; install lubricated mechanism in the inner chamber, lubricated mechanism is including casing, control valve, pipe and sliding block, and the casing is provided with the opening in one side of connector, has seted up the groove of sliding in the box, and the sliding block is located the inslot that slides, and the inslot compression that slides is provided with compression spring, and the casing below is fixed and is provided with the application of force handle, and the application of force handle stretches out the connector, and the position that the casing is close to the connector side is provided with and is used for dirt-proof seal assembly. The utility model has the advantages of it is following and effect: the lubricating mechanism can inject the lubricant into the gear box without disassembling the gear box, and has the function of dust prevention.

Description

Gear box with dustproof type lubricating mechanism

Technical Field

The utility model relates to a gear box technical field, in particular to gear box with lubricated mechanism of dust protected.

Background

The gear box is arranged in a gear and a bearing which participate in transmission, and relative sliding or movement is required to be transmitted during operation, so that friction and abrasion are required to be generated, power consumption is increased, and transmission efficiency is reduced; especially for high speed transmissions, lubrication of the gearbox is more of a concern.

In the prior art, the step of injecting lubricating oil into the gear box is troublesome, the gear box needs to be disassembled for operation, the disassembling process not only consumes time, but also has certain technical difficulties for new workers to disassemble and install; in addition, the gear box is exposed to the outside for a long time, and bolts used for fixing the surface of the gear box are easily rusted under the influence of air and moisture, so that the gear box is not easy to disassemble, and lubricating oil cannot be injected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gear box with lubricated mechanism of dust protected can pour into emollient into the gear box through lubricated mechanism under the condition of not tearing open the gear box, has dustproof function simultaneously.

The above technical purpose of the present invention can be achieved by the following technical solutions: a gear box with a dustproof type lubricating mechanism comprises a box body, a power input shaft, a transmission gear and a power output shaft, wherein the power input shaft is transversely arranged in the box body and is provided with a power input end used for stress and a power output end which is directly connected with the transmission gear and forms meshing transmission with the transmission gear; a longitudinal inner cavity is formed in the box body, and a connecting port for communicating the inner cavity with the outside is formed in one side of the box body; the lubricating mechanism is arranged in the inner cavity and comprises a shell, a control valve, a conduit and a sliding block, wherein an opening is formed in one side of the connecting port of the shell, the shell is arranged in the inner cavity in a sliding mode, the opening can be matched with the position of the connecting port through self sliding, the control valve is fixedly arranged in the shell and is connected with the conduit, the conduit extends into the box body, the sliding block is fixedly arranged at the lower portion of the shell, the cross section of the sliding block is circular, a longitudinal sliding groove is formed in the box body, the sliding block is always positioned in the sliding groove and can slide in a reciprocating mode along the arrangement direction of the sliding groove, a compression spring is arranged in the sliding groove in a compression mode, and the shell always has the upward sliding trend through the acting force of the compression spring; a force application handle is fixedly arranged below the side, close to the connecting port, of the shell, extends out of the connecting port, and drives the shell to slide in a reciprocating manner in the vertical direction by pushing and pressing the force application handle; and a sealing component for dust prevention is arranged at the position of the shell close to the connecting port side.

The further setting is that: the side of the upper part of the shell is provided with a first elastic stop block in a surrounding way, the inner cavity is provided with a second elastic stop block in a surrounding way above the first elastic stop block, and the position of the shell is limited by the propping of the first elastic stop block and the second elastic stop block.

The further setting is that: the box body is provided with a plug cover for sealing the connecting port at the connecting port, and the plug cover is provided with a plug cover rod which is convenient to pull out.

The further setting is that: the box body is fixedly provided with a second limiting block at the connecting port, and the first limiting block and the second limiting block are respectively abutted against the plug cover to prevent the plug cover from falling into the inner cavity.

The further setting is that: the number of the sliding blocks is two, and the number of the sliding grooves is two and is arranged corresponding to the position of each sliding block.

The further setting is that: the sealing assembly comprises a sealing groove, a piston is arranged in the sealing groove, the piston is attached to the inner wall of the sealing groove to form sealing, spring holes are formed in the upper end and the lower end of the piston, return springs are arranged in the spring holes, the return springs are respectively arranged between the corresponding spring holes and the inner wall of the sealing groove in a compression mode, at least one U-shaped groove is formed in the position, close to the connecting port side, of the piston, and a sealing ring is arranged in the U-shaped groove.

The further setting is that: the number of U type groove be two, and two U type groove interval set up.

The further setting is that: and the upper end of the control valve is provided with a control handle for controlling the self-cutting off or conducting.

The utility model has the advantages that:

1. the lubricating mechanism is arranged to inject the lubricating oil into the gear box, so that the lubricating mechanism is very convenient and brings great convenience to the field operation of workers; meanwhile, when lubricating oil is injected, the gear box does not need to be disassembled, so that a series of problems encountered when the gear box is disassembled are avoided; more realized dynamic injection, traditional gear box need close the work of gear box in order to guarantee workman's safety when pouring into lubricating oil into, and the utility model discloses a lubricating mechanism can reach real-time dynamic injection, has strengthened the adaptability of gear box.

2. The utility model discloses user's accessible bulldozes the application of force handle and drives the casing and slide from top to bottom, when casing downwardly moving to a certain position, the opening can with the position phase-match of connector, the user can pour into lubricating oil into from the control valve this moment in, lubricating oil passes through in control valve and the pipe input to the box to the realization is to power input shaft, drive gear and the lubrication of power output shaft in the box. After lubrication is finished, the force application handle is loosened, and the force application handle can reset under the action of the compression spring, so that the control valve is isolated from the outside and protected.

3. When the compression spring resets, can promote the casing rebound, the casing is easy to bump the inner wall of inner chamber, leads to the casing to have the hidden danger that produces the damage. The impact generated after the compression spring is reset is relieved through the first elastic stop block and the second elastic stop block, so that the shell is protected.

4. Play the effect of protection casing through the gag, avoid contact between casing outer wall and the outside, played dustproof effect especially.

5. The first limiting block and the second limiting block are respectively abutted against the plug cover to prevent the plug cover from falling into the inner cavity.

6. The quantity of sliding block is provided with two, and slides in the inslot that slides that corresponds respectively, and the stability and the smoothness nature that guarantee the casing and slide in the slip of upper and lower direction of guide casing that can be better more can prevent that the casing from taking place the skew when sliding.

7. The sealing performance between the shell and the box body is improved by arranging the piston in the sealing groove, so that the dustproof performance is further enhanced, and external dust is prevented from entering the shell; meanwhile, the sealing ring on the outer side of the piston plays a role in further enhancing the sealing performance, and the sealing ring is filled up the tiny unevenness by utilizing the characteristic that the sealing ring is easy to generate elastic deformation under the action of a compression load, so that the dust is further prevented; and the quantity of sealing washer has two, when arbitrary one sealing washer became invalid, its dustproof performance also can be guaranteed to another sealing washer.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 2.

In the figure: 11. a box body; 12. a power input shaft; 121. a power input; 122. a power output end; 13. a transmission gear; 14. a power take-off shaft; 20. an opening; 21. an inner cavity; 22. a connecting port; 23. a housing; 24. a control valve; 241. a control handle; 25. a conduit; 26. a sliding block; 27. a sliding groove; 28. a compression spring; 29. a force application handle; 31. a first elastic stopper; 32. a second elastic stopper; 33. a plug cover; 331. a stopper rod; 34. a first stopper; 35. a second limiting block; 41. sealing the groove; 42. a piston; 43. a spring hole; 44. a return spring; 45. a U-shaped groove; 46. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, a gear box with a dustproof type lubricating mechanism comprises a box body 11, a power input shaft 12, a transmission gear 13 and a power output shaft 14, wherein the power input shaft 12 is transversely arranged in the box body 11, the power input shaft 12 is provided with a power input end 121 for stress and a power output end 122 which is directly connected with the transmission gear 13 and forms meshing transmission with the transmission gear 13, the transmission gear 13 is longitudinally arranged in the box body 11, the power output shaft 14 is fixedly arranged on the central shaft of the transmission gear 13, and the power output shaft 14 is transversely arranged in the box body 11 and is positioned below the power input shaft 12; the above structure is the basic structure of the gear box, and in practical application, in consideration of the transmission ratio, a plurality of gears can be arranged for transmission, and the structure belongs to the prior art and is not explained herein.

A longitudinal inner cavity 21 is formed in the box body 11, and a connecting port 22 for communicating the inner cavity 21 with the outside is formed in one side of the box body 11; the lubricating mechanism is installed in the inner cavity 21 and comprises a shell 23, a control valve 24, a guide pipe 25 and a sliding block 26, an opening 20 is formed in one side of a connecting port 22 of the shell 23, the shell 23 is arranged in the inner cavity 21 in a sliding mode, the opening 20 can be matched with the connecting port 22 in position through self sliding, the control valve 24 is fixedly arranged in the shell 23 and connected with the guide pipe 25, meanwhile, the guide pipe 25 extends into the box body 11, the sliding block 26 is fixedly arranged at the lower portion of the shell 23, the cross section of the sliding block 26 is circular, a longitudinal sliding groove 27 is formed in the box body 11, the sliding block 26 is always located in the sliding groove 27 and can slide back and forth along the arrangement direction of the sliding groove 27, a compression spring 28 is arranged in the sliding groove 27 in a compression mode, and the shell 23 always has the upward sliding tendency through the acting force of the compression spring. Conduit 25 is mounted at one end to control valve 24 and at the other end to tank 11, and conduit 25 is of a length such that it will not be pulled when housing 23 is in the lower portion of chamber 21. The number of the slide blocks 26 is two, and the number of the slide grooves 27 is also two and is provided corresponding to the position of each slide block 26.

An urging handle 29 is fixedly provided below the side of the housing 23 close to the connection port 22, and the urging handle 29 is extended out of the connection port 22 and pushed to cause the housing 23 to slide back and forth in the vertical direction.

A dustproof sealing assembly is arranged at the position, close to the connecting port 22, of the shell 23, the dustproof sealing assembly comprises a sealing groove 41, a piston 42 is arranged in the sealing groove 41, the piston 42 is attached to the inner wall of the sealing groove 41 to form a seal, spring holes 43 are formed in the upper end and the lower end of the piston 42, return springs 44 are arranged in the two spring holes 43, the two return springs 44 are respectively arranged between the corresponding spring holes 43 and the inner wall of the sealing groove 41 in a compression mode, at least one U-shaped groove 45 is arranged at the position, close to the connecting port 22, of the piston 42, and a sealing ring 46 is arranged in the U-shaped groove; in this embodiment, the number of the U-shaped grooves 45 is two, and the two U-shaped grooves 45 are spaced apart from each other.

The side of the upper part of the shell 23 is provided with a first elastic stop 31 in a surrounding manner, the inner cavity 21 is provided with a second elastic stop 32 in a surrounding manner above the first elastic stop 31, and the position of the shell 23 is limited by the support of the first elastic stop 31 and the second elastic stop 32.

The box body 11 is covered with a plug cover 33 for closing the connecting port 22 at the connecting port 22, the plug cover 33 is in damping fit with the connecting port 22, and the plug cover 33 is provided with a plug cover rod 331 which is convenient to pull out.

A first limit block 34 is fixedly arranged below the force application handle 29 at the connecting port 22, a second limit block 35 is fixedly arranged at the connecting port 22 of the box body 11, and the first limit block 34 and the second limit block 35 are respectively abutted against the plug cover 33 to prevent the plug cover 33 from falling into the inner cavity 21.

The upper end of the control valve 24 is provided with a control handle 241 for controlling the turn-off or turn-on of itself, and the control valve 24 is a ball valve in this embodiment.

The utility model discloses a working process does:

① in the initial state, the sliding block 26 will drive the casing 23 to slide upwards under the action of the compression spring 28 until the first elastic stop 31 and the second elastic stop 32 abut against each other to form the limit of the casing 23, at this time, the plug 33 is put into the connection port 22 to protect the casing 23 and prevent dust, and further prevent dust through the sealing component in the casing 23.

② in the open state, the user applies a downward force to the force application handle 29, the force application handle 29 will drive the shell 23 to slide downwards until the position of the opening 20 matches with the connection port 22, at this time, the user can connect the external lubrication injection device with the control valve 24 in the shell 23 and turn the control handle 241 to open the control valve 24, at this time, the lubricant injected by the external lubrication injection device enters the box 11 through the conduit 25 to realize lubrication, during the opening period of the utility model, the injection time of the lubricant is generally short, after the injection is completed, the force application handle 29 is loosened, the shell 23 will realize the reset under the compression effect, and at the same time, considering the situation that the lubricant possibly needs a long time to be injected, the user can hang the counterweight on the force application handle 29 to maintain the position of the force application handle 29, which is very convenient.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a gear box with lubricated mechanism of dust protected which characterized in that: the power transmission device comprises a box body (11), a power input shaft (12), a transmission gear (13) and a power output shaft (14), wherein the power input shaft (12) is transversely arranged in the box body (11), the power input shaft (12) is provided with a power input end (121) used for bearing force and a power output end (122) which is directly connected with the transmission gear (13) and forms meshing transmission with the transmission gear, the transmission gear (13) is longitudinally arranged in the box body (11), the power output shaft (14) is fixedly arranged on a central shaft of the transmission gear (13), and the power output shaft (14) is transversely arranged in the box body (11) and is positioned below the power input shaft (12);

a longitudinal inner cavity (21) is formed in the box body (11), and a connecting port (22) for communicating the inner cavity (21) with the outside is formed in one side of the box body (11);

the lubricating mechanism is installed in the inner cavity (21), the lubricating mechanism comprises a shell (23), a control valve (24), a guide pipe (25) and a sliding block (26), the shell (23) is provided with an opening (20) on one side of the connecting port (22), the shell (23) is arranged in the inner cavity (21) in a sliding mode and can enable the opening (20) to be matched with the position of the connecting port (22) through self sliding, the control valve (24) is fixedly arranged in the shell (23) and is connected with the guide pipe (25), meanwhile, the guide pipe (25) extends into the box body (11), the sliding block (26) is fixedly arranged on the lower portion of the shell (23), the cross section of the sliding block (26) is circular, a longitudinal sliding groove (27) is formed in the box body (11), the sliding block (26) is always located in the sliding groove (27) and can slide in a reciprocating mode along the arrangement direction of the sliding groove (27), a compression spring (28) is arranged in the sliding groove (27) in a compression manner, and the shell (23) always has the tendency of sliding upwards through the acting force of the compression spring (28);

a force application handle (29) is fixedly arranged below the side, close to the connecting port (22), of the shell (23), the force application handle (29) extends out of the connecting port (22), and the shell (23) is driven to slide in a reciprocating manner in the vertical direction by pushing and pressing the force application handle (29);

and a sealing component for dust prevention is arranged at the position of the shell (23) close to the connecting port (22).

2. A gear box with a dust-proof lubricating mechanism according to claim 1, characterized in that: the side edge of the upper part of the shell (23) is provided with a first elastic stop block (31) in a surrounding manner, the inner cavity (21) is provided with a second elastic stop block (32) in a surrounding manner above the first elastic stop block (31), and the position of the shell (23) is limited by the first elastic stop block (31) and the second elastic stop block (32) in a supporting manner.

3. A gear box with a dust-proof lubricating mechanism according to claim 1, characterized in that: the box body (11) is covered with a plug cover (33) used for closing the connecting port (22) at the connecting port (22), and the plug cover (33) is provided with a plug cover rod (331) which is convenient to pull out.

4. A gear box with a dust-proof lubricating mechanism according to claim 3, characterized in that: the lower part of the force application handle (29) is fixedly provided with a first limiting block (34) at the connecting port (22), the box body (11) is fixedly provided with a second limiting block (35) at the connecting port (22), and the first limiting block (34) and the second limiting block (35) are respectively abutted against the plug cover (33) to prevent the plug cover (33) from falling into the inner cavity (21).

5. A gear box with a dust-proof lubricating mechanism according to claim 1, characterized in that: the number of the sliding blocks (26) is two, and the number of the sliding grooves (27) is also two and is arranged corresponding to the position of each sliding block (26).

6. A gear box with a dust-proof lubricating mechanism according to claim 1, characterized in that: seal assembly including sealed recess (41), sealed recess (41) in be provided with piston (42), piston (42) paste with the inner wall of sealed recess (41) mutually and seal up, the upper and lower both ends of piston (42) all seted up spring hole (43), and two spring hole (43) in all be provided with reset spring (44), two reset spring (44) compress respectively and set up between the inner wall that corresponds spring hole (43) and sealed recess (41), piston (42) be close to the position of connector (22) side and be provided with at least one U type groove (45), U type groove (45) in be provided with sealing washer (46).

7. The gear box with a dust-proof lubrication mechanism according to claim 6, wherein: the number of U type groove (45) be two, and two U type groove (45) interval set up.

8. A gear box with a dust-proof lubricating mechanism according to claim 1, characterized in that: the upper end of the control valve (24) is provided with a control handle (241) for controlling the self-cutting or conduction.

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