CN215370863U

CN215370863U - High-abrasion-resistance self-lubricating mechanical gear

Info

Publication number: CN215370863U
Application number: CN202122157083.3U
Authority: CN
Inventors: 吴剑华
Original assignee: Shengzhou Boyi Machinery Co ltd
Current assignee: Shengzhou Boyi Machinery Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2021-12-31
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a high-wear-resistance self-lubricating mechanical gear which comprises a gear body, gear teeth and an annular oil storage groove, wherein the gear teeth are annularly arranged on the edge of the gear body, the annular oil storage groove is formed in the gear body, at least one gear tooth is provided with an oil conveying channel communicated with the oil storage groove, an oil outlet communicated with the oil conveying channel is formed in the side surface of the gear tooth, an annular positioning boss is arranged at the outer end of the oil outlet, a plug head is arranged at the oil outlet, a positioning rod is connected to one side of the plug head, which is far away from the positioning boss, a mounting part connected with the positioning rod in a sliding mode is arranged in the oil conveying channel, and a reset spring sleeved outside the positioning rod is arranged between the mounting part and the plug head. The high-wear-resistance self-lubricating mechanical gear provided by the utility model can automatically seep lubricating oil at the friction part in the working process of the mechanical gear, so that the mechanical gear does not generate dry friction, and the service life of the mechanical gear is effectively prolonged.

Description

High-abrasion-resistance self-lubricating mechanical gear

Technical Field

The utility model relates to the technical field of gear lubrication, in particular to a high-abrasion-resistance self-lubricating mechanical gear.

Background

Mechanical gears are essential parts of many apparatuses, and are used for transmission through mutual meshing, and lubricating oil needs to be added for lubrication in the gear meshing process, otherwise, dry friction is generated at the meshing position, and the gears are damaged. At present, the mode of adding lubricating oil to mechanical gears is mainly external addition, namely lubricating oil is manually added to the surfaces of the gears to lubricate the gears, so that the gears are required to be manually and frequently coated with the lubricating oil, the gear is troublesome, and the gears are easily damaged due to untimely addition.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a high-wear-resistance self-lubricating mechanical gear, which can automatically seep lubricating oil to lubricate the meshing part of the gear in the use process of the gear, and prolong the service life of the gear.

The utility model specifically adopts the following technical scheme for realizing the purpose:

a high-wear-resistance self-lubricating mechanical gear comprises a gear body, gear teeth annularly arranged at the edge of the gear body and an annular oil storage tank arranged on the gear body, wherein at least one gear tooth is provided with an oil delivery channel communicated with the oil storage tank, the side surface of the gear tooth is provided with an oil outlet communicated with the oil delivery channel, the outer end of the oil outlet is provided with an annular positioning boss, the oil outlet is provided with a plug head, the plug head comprises a first sealing section, a second sealing section and an arc-shaped convex section, the first sealing section is positioned in the oil outlet and abutted against the end part of the positioning boss, the second sealing section is attached to the inner side of the positioning boss, the second sealing section is positioned on one side, away from the first sealing section, of the arc-shaped convex section, the height of the arc-shaped convex section is more than or equal to that of the positioning boss, one side, away from the positioning boss, of the first sealing section is connected with a positioning rod in a sliding manner, and an installation part connected with the positioning rod is arranged in the oil delivery channel, and a return spring sleeved outside the positioning rod is arranged between the mounting part and the first sealing section.

Furthermore, the oil outlets are symmetrically arranged on two sides of the gear teeth.

Furthermore, the gear teeth are provided with connecting channels communicated with oil outlets on two sides of the gear teeth, and the connecting channels are communicated with the oil conveying channels.

Furthermore, the mounting part is positioned in the middle of oil outlets on two sides of the gear teeth, a loop bar parallel to the connecting channel is arranged on the mounting part, and the positioning rod is inserted into the loop bar and is in sliding connection with the loop bar.

Furthermore, a sealing ring sleeved outside the second sealing section is arranged at the end part of the first sealing section, and the sealing ring is abutted against the end part of the positioning boss.

The utility model has the following beneficial effects:

the high-wear-resistance self-lubricating mechanical gear provided by the utility model can automatically seep lubricating oil at the friction part in the working process of the mechanical gear, so that the mechanical gear cannot generate dry friction, the service life of the mechanical gear is effectively prolonged, particularly, when the mechanical gear is in transmission, the gear meshed with the mechanical gear extrudes the arc-shaped convex section, so that the arc-shaped convex section moves towards an oil outlet, as the size of the arc-shaped convex section is smaller than the inner diameter of the positioning bulge, and the first sealing section and the second sealing section both move inwards at the moment, the lubricating oil passes through the gaps between the first sealing section, the second sealing section and the oil delivery channel and the gap between the arc-shaped convex section and the positioning bulge along with the rotation of the gear and flows out, the meshing parts of the two gears are lubricated, the dry friction is avoided, meanwhile, the using amount of the lubricating oil can be saved, and the arc-shaped convex section is certainly contacted with the gear, the smooth performance of the rotation of the gear cannot be influenced, and meanwhile, the gear can quickly press the arc-shaped convex section.

Drawings

FIG. 1 is a schematic view of the external structure of a mechanical gear;

FIG. 2 is a schematic view of the overall structure of the mechanical gear;

FIG. 3 is a schematic view of a gear body construction;

FIG. 4 is an enlarged view of circle A in FIG. 3;

FIG. 5 is a schematic view of the plug construction;

FIG. 6 is a schematic view of a second installation of the plug;

FIG. 7 is a schematic view of a driving wheel structure;

FIG. 8 is a schematic view of the engagement structure of the transmission wheel and the gear body;

reference numerals: 1-a gear body, 101-a second mounting groove, 102-an annular connecting table, 2-a transmission wheel, 201-a first mounting groove, 202-a first spring, 203-a connecting part, 204-a third mounting groove, 205-a waist round hole, 206-a shaft hole, 3-a gear tooth, 4-an oil storage groove, 401-an oil conveying channel, 402-a connecting channel, 5-a plug, 501-a first sealing section, 502-a second sealing section, 503-an arc-shaped convex section, 504-a sealing ring, 505-a positioning rod, 506-a return spring, 507-an installation part, 508-a sleeve rod, 509-a positioning boss, 6-a transmission spring and 601-a ball.

Detailed Description

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed" and "in communication" are to be construed broadly, e.g., as meaning in fixed communication, in removable communication, or in integral communication; either mechanically or electrically; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

The embodiment provides a high wear-resistant self-lubricating mechanical gear, please refer to fig. 1-5, which includes a gear body 1, gear teeth 3 annularly arranged on the edge of the gear body 1, and an annular oil storage tank 4 arranged on the gear body 1, at least one of the gear teeth 3 is provided with an oil delivery channel 401 communicated with the oil storage tank 4, the side surface of the gear tooth 3 is provided with an oil outlet communicated with the oil delivery channel 401, the outer end of the oil outlet is provided with an annular positioning boss 509, the positioning boss 509 can be integrally formed with the gear body 1, the middle part is a hole for passing lubricating oil, the oil outlet is provided with a plug head 5, the plug head 5 includes a first sealing section 501 located in the oil outlet and abutted against the end part of the positioning boss 509, a second sealing section 502 abutted against the inner side of the positioning boss 509, and an arc-shaped outer convex section 503 located on one side of the second sealing section 502 far away from the first sealing section 501, of course, the cross-sectional dimension of the arc-shaped convex section 503 is smaller than the dimension of the hole formed in the middle of the positioning protrusion, the first sealing section 501 and the positioning boss 509 are located in the oil outlet, and one end of the first sealing section 501 and the positioning boss 509 are abutted to seal the oil outlet, so that lubricating oil is prevented from leaking from the oil outlet, and lubricating liquid is prevented from being wasted, the height of the arc-shaped convex section 503 is greater than or equal to the height of the positioning boss 509, so that when the arc-shaped convex section 503 is pressed into the oil outlet, the lubricating oil can smoothly leave the oil outlet through the hole in the middle of the positioning boss 509 and the gap between the arc-shaped convex section 503 to lubricate the gear teeth 3, one side of the first sealing section 501, which is far away from the positioning boss 509, is connected with the positioning rod 505, a mounting part 507 which is slidably connected with the positioning rod 505 is arranged in the oil transportation channel 401, and a return spring 506 which is arranged outside the positioning rod 505 is arranged between the mounting part 507 and the first sealing section 501.

Of course, in order to lubricate each gear tooth 3 effectively, it is preferable to provide an oil outlet on each gear tooth 3, and it is also possible to provide oil outlets symmetrically on both sides of the gear tooth 3 to lubricate the gear tooth 3. Meanwhile, the gear teeth 3 are provided with connecting channels 402 for communicating oil outlets at two sides of the gear teeth 3, and the connecting channels 402 are communicated with the oil conveying channels 401, so that the number of the oil conveying channels 401 can be reduced, and the processing difficulty of gears is reduced. In addition, as shown in fig. 6, the mounting portion 507 can also be located in the middle of the oil outlets on both sides of the gear teeth 3, and a sleeve rod 508 parallel to the connection passage 402 is provided on the mounting portion 507, the positioning rod 505 is inserted into the sleeve rod 508, and is slidably connected to the stem 508, of course the stem 508 is parallel to the direction of movement of the plug 5, a certain included angle can be formed between the stopper head and the mounting part 507, the arrangement mode reduces the mounting difficulty of the stopper head 5, and the moving direction of the positioning rod 505 can be better limited, so that the sealing performance of the plug 5 is better, it is of course also possible to provide a sealing ring 504 at the end of the first sealing section 501 that is fitted over the second sealing section 502, the seal ring 504 abuts against the end of the positioning boss 509, the sealing performance of the plug 5 is further improved by the seal ring 504, thereby avoiding loss of the lubricating oil, but the sealing ring 504 may be formed of a common rubber sealing ring 504.

In the solution of this embodiment, the gear can be lubricated effectively, the occurrence of dry friction of the gear is avoided, and meanwhile, the noise generated during the use of the gear can be reduced, and in order to further reduce the noise generated during the use of the gear, please refer to fig. 7-8, a transmission wheel 2 is sleeved in the gear body 1, a shaft hole 206 is arranged in the middle of the transmission wheel 2, a shaft for driving the machine to rotate is inserted into the

shaft hole

206, 2 first mounting grooves 201 are symmetrically arranged on the side wall of the shaft hole 206, a first spring 202 is arranged at the bottom of the first mounting groove 201, a key for connection on the shaft is inserted into the first mounting groove 201 and abuts against the first spring 202, when the shaft vibrates, the first spring 202 can effectively reduce the vibration transmitted oppositely, the connecting portion 203 opposite to the first mounting groove 201 is symmetrically arranged on the outer edge of the transmission wheel 2, an arc-shaped second mounting groove 101 matched with the connecting portion 203 is arranged on the gear body 1, connecting portion 203 is provided with curved third mounting groove 204 with the opposite side of second mounting groove 101, be provided with drive spring 6 between second mounting groove 101 and the third mounting groove 204, drive spring 6 crosses second mounting groove 101 and third mounting groove 204, and drive spring 6 part is located second mounting groove 101 promptly, and the part is located third mounting groove 204, and when using, second mounting groove 101 can compress drive spring 6, utilizes drive spring 6 to promote third mounting groove 204 along with rotating, and the length direction of drive spring 6 is parallel with the length direction of second mounting groove 101 of course.

As a specific connection mode between the gear body 1 and the driving wheel 2, the connecting portion 203 is provided with a waist-round hole 205, the gear body 1 is provided with a threaded hole matched with the waist-round hole 205, the waist-round hole 205 and the threaded hole are provided with bolts for locking the driving wheel 2 and the gear body 1, the connecting portion 203 is fixed on the gear body 1 through the bolts, and the waist-round hole 205 leaves allowance for mutual rotation between the connecting portion 203 and the gear body 1, so that when the connecting portion receives vibration which cannot be reduced by the first spring 202, the connecting portion 203 can transmit the transmission spring 6, and the transmission spring 6 supplements the reduction, thereby effectively avoiding the vibration of the gear body 1 along with the shaft, reducing noise and ensuring the stability of gear engagement.

Certainly, in order to ensure the smoothness of the surface of the mechanical gear and not affect the normal use of the mechanical gear, an annular connecting table 102 is arranged on one side of the gear body 1 close to the driving wheel 2, the sum of the heights of the annular connecting table 102 and the connecting portion 203 is equal to the thickness of the gear body 1, and the thickness of the driving wheel 2 is equal to the thickness of the gear body 1, so that the connecting portion 203 and the gear body 1 do not protrude out of the gear body 1 while being in effective transmission.

In addition, in order to facilitate the connecting portion 203 to push the transmission spring 6, the two ends of the transmission spring 6 are connected with the balls 601, the balls 601 span the second mounting groove 101 and the third mounting groove 204, that is, a part of the balls 601 are located in the second mounting groove 101, and a part of the balls are located in the third mounting groove 204, when the wall of the third mounting groove 204 provides a pushing force, the balls 204 can effectively assist the third mounting groove 204 to push the transmission spring 6 to move, and meanwhile, the balls 601 preferably just abut against the bottoms of the second mounting groove 101 and the third mounting groove 204, so as to avoid the transmission spring 6 from jumping, and ensure that the gear body 1 can be smoothly pushed to rotate synchronously with the transmission wheel 2.

The working principle is as follows: when using, the chock plug 5 on the teeth of a cogwheel 3 with another gear engagement can receive the extrusion for arc evagination section 503 retracts towards in the oil outlet, and lubricating oil passes the oil outlet and throws away to teeth of a cogwheel 3 this moment, makes teeth of a cogwheel 3 obtain effective lubrication, and after disengaging the meshing, reset spring 506 can promote chock plug 5 to move outward immediately, makes chock plug 5 seal the oil outlet, and lubricating oil just can't ooze, thereby can effectively avoid lubricating oil to cause the waste. Meanwhile, when the rotating shaft of the driving wheel 2 is driven to vibrate, the vibration is reduced by the existing first spring 202, the vibration received by the driving wheel 2 is reduced, the vibration allowance transmitted to the driving wheel 2 is attenuated by the transmission spring 6, and therefore the gear body 1 can basically and completely eliminate the vibration, namely the meshing of the gears cannot be influenced, and the noise generated by the running of the gears can be further reduced.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.

Claims

1. A high-wear-resistance self-lubricating mechanical gear comprises a gear body (1), gear teeth (3) annularly arranged on the edge of the gear body (1) and an annular oil storage groove (4) arranged on the gear body (1), and is characterized in that at least one of the gear teeth (3) is provided with an oil conveying channel (401) communicated with the oil storage groove (4), the side surface of the gear tooth (3) is provided with an oil outlet communicated with the oil conveying channel (401), the outer end of the oil outlet is provided with an annular positioning boss (509), the oil outlet is provided with a plug head (5), the plug head (5) comprises a first sealing section (501) which is positioned in the oil outlet and abutted against the end part of the positioning boss (509), a second sealing section (502) which is abutted against the inner side of the positioning boss (509), and an arc-shaped outer convex section (503) which is positioned on one side of the second sealing section (502) far away from the first sealing section (501), the height that highly more than or equal to location boss (509) of arc evagination section (503), location boss (509) one side is kept away from in first sealed section (501) is connected with locating lever (505), be provided with in oil transportation passageway (401) with locating lever (505) sliding connection's installation department (507), be provided with between installation department (507) and first sealed section (501) and establish reset spring (506) outside locating lever (505).

2. High wear-resistant self-lubricating mechanical gear according to claim 1, characterized in that the oil outlets are symmetrically arranged on both sides of the gear teeth (3).

3. The high wear-resistant self-lubricating mechanical gear according to claim 2, wherein the gear teeth (3) are provided with connecting channels (402) communicating oil outlets at two sides of the gear teeth (3), and the connecting channels (402) are communicated with the oil conveying channel (401).

4. The mechanical gear with high wear resistance and self-lubrication according to claim 3, wherein the mounting part (507) is located in the middle of the oil outlet on both sides of the gear tooth (3), a sleeve rod (508) parallel to the connecting channel (402) is arranged on the mounting part (507), and the positioning rod (505) is inserted into the sleeve rod (508) and is connected with the sleeve rod (508) in a sliding manner.

5. The mechanical gear with high wear resistance and self-lubrication according to claim 4, wherein the end of the first sealing section (501) is provided with a sealing ring (504) sleeved outside the second sealing section (502), and the sealing ring (504) abuts against the end of the positioning boss (509).