CN217401635U

CN217401635U - High-precision gear

Info

Publication number: CN217401635U
Application number: CN202122664481.4U
Authority: CN
Inventors: 肖豪
Original assignee: Suzhou Kangshirui Technology Co ltd
Current assignee: Suzhou Kangshirui Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-09-09
Anticipated expiration: 2031-11-02

Abstract

The utility model belongs to the technical field of gears, in particular to a high-precision gear, which comprises a gear body; a fixing hole is formed in the gear body; the driving shaft is inserted into the fixing hole; a lubricating oil cavity is formed in the side wall of the gear body; the lubricating oil cavities are formed in the side wall of the gear body and are regularly arranged in an annular array; the inside of the lubricating oil cavity is connected with an arc surface slide block in a sliding manner; a fixed spring is fixedly connected to the side wall of the cambered surface sliding block; through when the gear body rotates, the space of reducing the lubricating oil chamber is extruded to the accessible cambered surface slider, and then make the inside lubricating oil of lubricating oil chamber pass through the oil-out, carry out moist structural design to the sponge layer, realized at gear body pivoted in-process, can carry out lubricated function to the meshing department, solved current gear when the meshing rotates, frictional force is too big, easily causes the problem of wearing and tearing to the gear body.

Description

High-precision gear

Technical Field

The utility model relates to the technical field of gears, specifically a high-accuracy gear.

Background

A gear is a mechanical element that utilizes meshing teeth to engage with each other, thereby transmitting motion and power.

In the mine industry, gears which are large and high in precision are often used, and the gear has a very important function in mining, exploration and other works.

When the gears are used, the gears which are meshed with each other can rub against each other, so that the gears are easily abraded when the friction force is too large, and the precision of the gears is reduced after the gears are abraded, so that the use of the gears is influenced; therefore, a high-precision gear is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art not enough, solve intermeshing's gear looks mutual friction, probably produce wearing and tearing to the gear for the problem that gear precision descends, the utility model provides a high-accuracy gear.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a high-precision gear, which comprises a gear body; a fixing hole is formed in the gear body; the driving shaft is inserted into the fixing hole; a lubricating oil cavity is formed in the side wall of the gear body; the lubricating oil cavities are formed in the side wall of the gear body and are regularly arranged in an annular array; the inside of the lubricating oil cavity is connected with an arc surface slide block in a sliding manner; a fixed spring is fixedly connected to the side wall of the cambered surface sliding block; the end part of the fixed spring is fixedly connected to the side wall of the lubricating oil cavity; an oil outlet is formed in the cambered surface sliding block; a sponge layer is fixedly connected to the side wall of the cambered surface sliding block; the sponge layer is arranged on the side wall of the cambered surface sliding block, which is far away from one side of the fixed spring; the problem of current gear when the meshing rotates, frictional force is too big, easily causes wearing and tearing to the gear body is solved.

Preferably, a positioning block is fixedly connected to the side wall of the cambered surface sliding block; the positioning blocks are arranged on two sides of the cambered surface sliding block; a positioning groove is formed in the gear body; the positioning grooves are formed in the positions corresponding to the positioning blocks; a positioning rod is fixedly connected inside the positioning groove; the positioning rod and the positioning groove are arranged in parallel; the positioning block is sleeved and connected to the outer side of the positioning rod in a sliding manner; the sliding of the cambered surface sliding block is more stable, and the possibility of error of the device is reduced

Preferably, an adsorption magnet is arranged inside the gear body; the adsorption magnet is arranged in the recess of the gear body; a plurality of adsorption magnets are arranged inside the gear body and are regularly arranged in an annular array; the likelihood that metal debris may cause wear to the gear body is reduced.

Preferably, a cleaning cushion layer is arranged outside the gear body; the cleaning cushion layer is arranged at the position corresponding to the adsorption magnet; the size and the shape of the cleaning cushion layer are the same as those of the groove of the gear body; a fixed rod is fixedly connected to the side wall of the cleaning cushion layer; at least two fixing rods are arranged on the side wall of the cleaning cushion layer; rubber teeth are fixedly connected to the side wall of the fixed rod; the rubber teeth are arranged in the direction corresponding to the rotation direction of the gear body; a plurality of rubber teeth are arranged on the side wall of the fixed rod; a clamping groove corresponding to the fixing rod and the rubber teeth is formed in the gear body; the cleaning of metal scraps is convenient.

Preferably, the inside of the gear body is communicated with an oil injection passage; one end of the oil injection passage is communicated with the inside of the fixing hole; the other end of the oil injection passage is communicated with the inside of the lubricating oil cavity; the oil injection passage is arranged slightly obliquely downwards; the end part of the oil injection passage is in threaded connection with a threaded block; the practicability of the device is increased.

Preferably, a liquid baffle is hinged inside the oil injection passage; the side wall of the liquid baffle plate is fixedly connected with an elastic sheet; the elastic sheet is fixedly connected to the side wall of the oil injection passage; a stop block is fixedly connected to the side wall of the oil injection passage; the stop block is arranged at the position corresponding to the end part of the liquid baffle plate; the liquid baffle is contacted with the stop block; the problem that the liquid level of the lubricating oil in the lubricating oil cavity is reduced too fast due to the fact that the lubricating oil flows back into the oil injection channel is solved.

The utility model discloses an useful part lies in:

1. the utility model discloses a when the gear body rotates, accessible cambered surface slider extrusion reduces the space of lubricant pocket, and then makes the inside lubricating oil of lubricant pocket pass through the oil-out, carries out moist structural design to the sponge layer, has realized at gear body pivoted in-process, can carry out lubricated function to meshing department, has solved current gear when the meshing rotates, and frictional force is too big, easily causes the problem of wearing and tearing to the gear body.

2. The utility model discloses a set up a plurality of adsorption magnet on the lateral wall of the gear body, adsorption magnet's surface cover has the structural design of convenient to detach's clearance bed course, has realized that can be quick carries out absorptive function to the metal piece that the friction produced, has reduced gear body meshing pivoted in-process, and metal piece can lead to the fact the possibility of wearing and tearing to the gear body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a front view of the first embodiment;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is an enlarged view of B in FIG. 3;

FIG. 5 is an enlarged view of C in FIG. 4;

FIG. 6 is an enlarged view of D in FIG. 3;

FIG. 7 is an enlarged view of E in FIG. 3;

fig. 8 is a schematic structural diagram of a blocking block according to the second embodiment.

In the figure: 1. a gear body; 2. a drive shaft; 3. a fixing hole; 4. a lubricating oil cavity; 5. a cambered surface slider; 6. fixing the spring; 7. an oil outlet; 8. a sponge layer; 9. positioning blocks; 10. positioning a groove; 11. positioning a rod; 12. adsorbing a magnet; 13. cleaning the cushion layer; 14. fixing the rod; 15. rubber teeth; 16. an oil injection passage; 17. a thread block; 18. a liquid baffle; 19. an elastic sheet; 20. a stopper block; 21. a main oil injection passage; 22. and (5) wrapping the oil injection block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-7, a high precision gear includes a gear body 1; a fixing hole 3 is formed in the gear body 1; the driving shaft 2 is inserted into the fixing hole 3; a lubricating oil cavity 4 is formed in the side wall of the gear body 1; the lubricating oil cavities 4 are formed in the side wall of the gear body 1 and are regularly arranged in an annular array; the inside of the lubricating oil cavity 4 is connected with an arc surface slide block 5 in a sliding manner; a fixed spring 6 is fixedly connected to the side wall of the cambered surface sliding block 5; the end part of the fixed spring 6 is fixedly connected to the side wall of the lubricating oil cavity 4; an oil outlet 7 is formed in the cambered surface sliding block 5; a sponge layer 8 is fixedly connected to the side wall of the cambered surface sliding block 5; the sponge layer 8 is arranged on the side wall of the cambered surface sliding block 5 far away from one side of the fixed spring 6; when the gear meshing transmission mechanism works, lubricating oil is added into the lubricating oil cavity 4, the gear is arranged on the driving shaft 2, and further meshed with other gears to rotate, the cambered surface slide block 5 can be pushed into the lubricating oil cavity 4 by the force generated by mutual extrusion with other gears through rotation, so that the lubricating oil in the lubricating oil cavity 4 can be extruded out of the lubricating oil cavity 4 through the oil outlet 7, the sponge layer 8 is wetted, after the sponge layer 8 is wetted by the lubricating oil, the lubricating oil can be smeared at the contact part of the gear body 1 and other gears, so as to lubricate the gear body 1, so that the friction force is smaller during the meshing rotation process of the gear body 1, the abrasion to the gear body 1 is smaller, the problem that the abrasion to the gear body 1 is easy to cause due to overlarge friction force when the existing gear is meshed to rotate is solved, and the cambered surface slide block 5 is hollow, and then the weight of cambered surface slider 5 is lighter for gear body 1 is at the pivoted in-process, and the resistance that produces is littleer to cambered surface slider 5's influence.

A positioning block 9 is fixedly connected to the side wall of the cambered surface slide block 5; the positioning blocks 9 are arranged on two sides of the cambered surface sliding block 5; a positioning groove 10 is formed in the gear body 1; the positioning groove 10 is formed in the position corresponding to the positioning block 9; a positioning rod 11 is fixedly connected inside the positioning groove 10; the positioning rod 11 and the positioning groove 10 are arranged in parallel; the positioning block 9 is sleeved and connected with the outer side of the positioning rod 11 in a sliding manner; when the device works, when the cambered slider 5 slides, the positioning block 9 can be driven to slide in the positioning groove 10, so that the cambered slider 5 is difficult to tilt in the sliding process, the sliding of the cambered slider 5 is more stable, the possibility of error of the device is reduced, the positioning block 9 is sleeved on the positioning rod 11 to slide, and the possibility of tilting of the cambered slider 5 can be further reduced by positioning the positioning rod 11 and the positioning block 9.

An adsorption magnet 12 is arranged inside the gear body 1; the adsorption magnet 12 is arranged in the concave part of the gear body 1; a plurality of adsorption magnets 12 are arranged inside the gear body 1 and are regularly arranged in an annular array; when the gear body 1 and other gears rub against each other, a part of relatively fine metal particles or fragments may be generated, so that when the gear body 1 and other gears rub against each other, irregular edges and corners of the metal particles or fragments may increase abrasion of the gear body 1 caused by friction, and by arranging the adsorption magnet 12, the metal particles or fragments may be quickly adsorbed by the adsorption magnet 12 when being generated, so that metal fragments between the gears are less, and the possibility that the metal fragments may abrade the gear body 1 is reduced.

A cleaning cushion layer 13 is arranged outside the gear body 1; the cleaning cushion layer 13 is arranged at a position corresponding to the adsorption magnet 12; the size and the shape of the cleaning cushion layer 13 are the same as those of the groove of the gear body 1; a fixed rod 14 is fixedly connected to the side wall of the cleaning cushion layer 13; at least two fixing rods 14 are arranged on the side wall of the cleaning cushion layer 13; rubber teeth 15 are fixedly connected to the side walls of the fixed rods 14; the rubber teeth 15 are arranged in the direction corresponding to the rotation direction of the gear body 1; a plurality of rubber teeth 15 are arranged on the side wall of the fixed rod 14; a clamping groove corresponding to the fixing rod 14 and the rubber teeth 15 is formed in the gear body 1; when the cleaning device works, when the adsorption magnet 12 adsorbs metal fragments, the metal fragments can be adsorbed on the surface of the cleaning cushion layer 13, when the cleaning device needs to be cleaned, the cleaning cushion layer 13 can be lifted, the soft rubber teeth 15 are deformed, the fixing rod 14 is separated from the clamping groove, the metal fragments can be cleaned conveniently, when the gear body 1 rotates, thrust generated by rotation of the gear body 1 can be generated, the rubber teeth 15 can be stably clamped in the clamping groove, and the possibility that the cleaning cushion layer 13 flies out due to the influence of centrifugal force is reduced.

The inside of the gear body 1 is communicated with an oil injection passage 16; one end of the oil injection passage 16 is communicated with the inside of the fixing hole 3; the other end of the oil injection passage 16 is communicated with the inside of the lubricating oil cavity 4; the oil injection passage 16 is arranged slightly obliquely downwards; a thread block 17 is connected to the end part of the oil injection passage 16 in a threaded manner; when the lubricating oil replenishing device works, when lubricating oil in the lubricating oil cavity 4 needs to be replenished, the thread block 17 can be screwed out, then the lubricating oil is added into the oil filling channel 16, so that the lubricating oil enters the lubricating oil cavity 4 through the oil filling channel 16, and after the oil filling is finished, the thread block 17 can be screwed up, so that the lubricating oil can be replenished, and the practicability of the device is improved.

A liquid baffle plate 18 is hinged inside the oil injection passage 16; an elastic sheet 19 is fixedly connected to the side wall of the liquid baffle plate 18; the elastic sheet 19 is fixedly connected to the side wall of the oil injection passage 16; a stop block 20 is fixedly connected to the side wall of the oil injection passage 16; the stop block 20 is arranged at a position corresponding to the end part of the liquid baffle plate 18; the liquid baffle 18 is in contact with a stop block 20; when the gear body 1 rotates to generate resistance, the liquid blocking plate 18 and the stop block 20 are clamped with each other to block lubricating oil and prevent the lubricating oil from flowing back into the oil injection passage 16 when the gear body 1 rotates to generate resistance during working, and the liquid blocking plate 18 and the stop block 20 are not clamped with each other when the lubricating oil needs to be added, so that the lubricating oil can be added into the lubricating oil cavity 4, the problem that the lubricating oil flows back into the oil injection passage 16 and the liquid level of the lubricating oil in the lubricating oil cavity 4 is reduced too fast is solved.

Example two

Referring to fig. 8, in a first comparative example, as another embodiment of the present invention, a wrapping oil injection block 22 is rotatably connected to an outer surface of the driving shaft 2; a main oil injection passage 21 is communicated with the inside of the driving shaft 2; the end parts of the main oil injection passages 21 are communicated with the end parts of the oil injection passages 16; the oil outlet of the wrapping oil injection block 22 is arranged at the position of the main oil injection passage 21; during operation, when the gear works, lubricating oil can be injected into the wrapping oil injection block 22 and then enters the oil injection passage 16 through the oil injection passage 21, so that the lubricating oil can be injected into the lubricating oil cavity 4 without disassembling the gear body 1.

The working principle is that when the gear transmission mechanism works, lubricating oil is added into the lubricating oil cavity 4, the gear is installed on the driving shaft 2, and further when the gear transmission mechanism rotates in a meshed mode with other gears, the cambered surface sliding block 5 can be pushed to enter the lubricating oil cavity 4 through the force generated by mutual extrusion of the rotating and other gears, so that the lubricating oil in the lubricating oil cavity 4 can be extruded out of the lubricating oil cavity 4 through the oil outlet 7, the sponge layer 8 is wetted, after the sponge layer 8 is wetted by the lubricating oil, the lubricating oil can be smeared on the contact part of the gear body 1 and other gears, so that the gear body 1 is lubricated, the friction force is smaller in the process of meshing rotation of the gear body 1, the abrasion to the gear body 1 is smaller, the problem that the friction force is too large when the existing gear rotates in a meshed mode, the gear body 1 is easily abraded is solved, and the cambered surface sliding block 5 is arranged in a hollow mode, furthermore, the weight of the arc-shaped sliding block 5 is lighter, so that resistance generated during the rotation process of the gear body 1 has less influence on the arc-shaped sliding block 5, when the arc-shaped sliding block 5 slides, the positioning block 9 can be driven to slide in the positioning groove 10, and further the arc-shaped sliding block 5 is difficult to skew during the sliding process, so that the sliding of the arc-shaped sliding block 5 is more stable, the possibility of error of the device is reduced, and the positioning block 9 is sleeved on the positioning rod 11 to slide, and the possibility of skew of the arc-shaped sliding block 5 can be further reduced through the positioning of the positioning rod 11 and the positioning block 9, when the gear body 1 and other gears rub against each other, a part of finer metal particles or fragments can be generated, so that when the gear body 1 rubs against other gears, irregular metal particles or edge angles of the fragments can increase the abrasion of the gears body 1 due to friction, by arranging the adsorption magnet 12, metal particles or fragments can be quickly adsorbed by the adsorption magnet 12 when being generated, so that metal fragments among gears are less, the possibility that the metal fragments can wear the gear body 1 is reduced, when the adsorption magnet 12 adsorbs the metal fragments, the metal fragments can be adsorbed on the surface of the cleaning cushion layer 13, when the cleaning is needed, the cleaning cushion layer 13 can be lifted, the soft rubber teeth 15 are deformed, the fixing rod 14 is separated from the clamping groove, the metal fragments can be cleaned conveniently, when the gear body 1 rotates, the rubber teeth 15 can be stably clamped in the clamping groove through thrust generated by the rotation of the gear body 1, the possibility that the cleaning cushion layer 13 flies out due to the influence of centrifugal force is reduced, when lubricating oil in the lubricating oil cavity 4 needs to be supplemented, the thread block 17 can be rotated out, and then add to the inside of oiling channel 16 and establish lubricating oil, make lubricating oil get into the inside of lubricating oil cavity 4 through oiling channel 16, after the completion of pouring into, screw thread block 17 can be screwed on, make lubricating oil can supply, the practicality of device has been increased, when gear body 1 rotates and produces the resistance, liquid baffle 18 and stop block 20 block each other, can block lubricating oil, make it can not flow back to the inside of oiling channel 16, when needing to add lubricating oil, liquid baffle 18 and stop block 20 can not block each other, make lubricating oil can add the inside of lubricating oil cavity 4, the inside of lubricating oil return flow back to oiling channel 16 has been reduced, make the inside lubricating oil level of lubricating oil cavity 4 descend too fast problem.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A high-precision gear is characterized in that: comprises a gear body (1); a fixing hole (3) is formed in the gear body (1); a driving shaft (2) is inserted into the fixing hole (3); a lubricating oil cavity (4) is formed in the side wall of the gear body (1); the lubricating oil cavities (4) are arranged on the side wall of the gear body (1) and are regularly arranged in an annular array; the inside of the lubricating oil cavity (4) is connected with an arc surface slide block (5) in a sliding manner; a fixed spring (6) is fixedly connected to the side wall of the cambered surface sliding block (5); the end part of the fixed spring (6) is fixedly connected to the side wall of the lubricating oil cavity (4); an oil outlet (7) is formed in the cambered surface sliding block (5); a sponge layer (8) is fixedly connected to the side wall of the cambered surface sliding block (5); the sponge layer (8) is arranged on the side wall of the cambered surface sliding block (5) far away from one side of the fixed spring (6).

2. A high precision gear according to claim 1, wherein: a positioning block (9) is fixedly connected to the side wall of the cambered surface sliding block (5); the positioning blocks (9) are arranged on two sides of the cambered surface sliding block (5); a positioning groove (10) is formed in the gear body (1); the positioning groove (10) is formed in the position corresponding to the positioning block (9); a positioning rod (11) is fixedly connected inside the positioning groove (10); the positioning rod (11) and the positioning groove (10) are arranged in parallel; the positioning block (9) is sleeved and connected with the outer side of the positioning rod (11) in a sliding mode.

3. A high-precision gear according to claim 2, wherein: an adsorption magnet (12) is arranged inside the gear body (1); the adsorption magnet (12) is arranged in the recess of the gear body (1); the adsorption magnets (12) are arranged inside the gear body (1) and are regularly arranged in an annular array.

4. A high-precision gear according to claim 3, wherein: a cleaning cushion layer (13) is arranged outside the gear body (1); the cleaning cushion layer (13) is arranged at the position corresponding to the adsorption magnet (12); the size and the shape of the cleaning cushion layer (13) are the same as those of the groove of the gear body (1); a fixed rod (14) is fixedly connected to the side wall of the cleaning cushion layer (13); at least two fixing rods (14) are arranged on the side wall of the cleaning cushion layer (13); rubber teeth (15) are fixedly connected to the side wall of the fixed rod (14); the rubber teeth (15) are arranged in the direction corresponding to the rotation direction of the gear body (1); a plurality of rubber teeth (15) are arranged on the side wall of the fixed rod (14); the gear body (1) is internally provided with a clamping groove corresponding to the fixing rod (14) and the rubber teeth (15).

5. A high-precision gear according to claim 4, wherein: the inside of the gear body (1) is communicated with an oil injection passage (16); one end of the oil injection passage (16) is communicated with the inside of the fixing hole (3); the other end of the oil injection passage (16) is communicated with the inside of the lubricating oil cavity (4); the oil injection passage (16) is arranged slightly obliquely downwards; the end part of the oil injection passage (16) is in threaded connection with a thread block (17).

6. A high-precision gear according to claim 5, wherein: a liquid baffle plate (18) is hinged inside the oil injection passage (16); an elastic sheet (19) is fixedly connected to the side wall of the liquid baffle plate (18); the elastic sheet (19) is fixedly connected to the side wall of the oil injection passage (16); a stop block (20) is fixedly connected to the side wall of the oil injection passage (16); the stop block (20) is arranged at a position corresponding to the end part of the liquid baffle plate (18); the liquid baffle (18) is in contact with the stop block (20).