Reduction gearbox and automatic oiling machine

Abstract

The utility model discloses a reduction gearbox and an automatic oiling machine, the reduction gearbox comprises a box body, the box body is provided with a gear chamber, the gear chamber comprises a first chamber and a second chamber, the depth of the second chamber is larger than that of the first chamber, a gear set is installed in the second chamber, and a motor chamber is arranged below the first chamber; a driving motor is mounted in the motor cavity, and the output end of the driving motor extends into the first cavity; the first-stage gear is arranged in the first cavity and arranged at the output end of the driving motor in a sleeving manner; the second-stage gear is mounted in the first cavity and is used for connecting the first-stage gear and the gear set; the diameter of the secondary gear is greater than that of the primary gear; the top sealing plate is connected with the box body and is used for sealing the gear cavity; the output shaft penetrates through the top sealing plate, the bottom of the output shaft is in transmission connection with the gear set, and the top of the output shaft extends upwards out of the top sealing plate. According to the reduction gearbox, the longitudinal space of the box body is fully utilized, and therefore the reduction gearbox is suitable for an automatic oiling machine small in size.

Description

Technical Field

[0001] The utility model relates to the technical field of oil injection machines, in particular to a reduction box and an automatic oil injection machine. Background Art

[0002] As equipment production gradually moves towards intelligence, automation and unmanned operation, corresponding automatic oiling machines are needed to lubricate mechanical equipment that needs to run for a long time or is difficult for humans to access. The current oiling machines still have the problem of large size. The large size of the oiling machines makes them difficult to use in some scenarios and inconvenient to install and maintain. In order to miniaturize the size of the oiling machine, the reducer inside the oiling machine also needs to be improved accordingly. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a reduction box with a small size and is suitable for a small automatic oiling machine.

[0004] The utility model also provides an automatic oiling machine with the reduction box.

[0005] The reduction gearbox according to the first embodiment of the utility model comprises:

[0006] The housing has a gear chamber and a motor chamber, wherein the gear chamber includes a first chamber and a second chamber, wherein the depth of the second chamber is greater than that of the first chamber, wherein a gear set is installed in the second chamber, and the motor chamber is arranged below the first chamber; wherein a driving motor is installed in the motor chamber, and an output end of the driving motor extends into the first chamber;

[0007] A first-stage gear is disposed in the first chamber and sleeved on the output end of the driving motor;

[0008] A secondary gear, installed in the first chamber, used to connect the primary gear and the gear set; the diameter of the secondary gear is greater than the diameter of the primary gear;

[0009] A top sealing plate connected to the housing and used to seal the gear chamber;

[0010] The output shaft is passed through the top sealing plate, the bottom of the output shaft is drivingly connected with the gear set, and the top of the output shaft extends upward out of the top sealing plate.

[0011] The reduction gearbox according to the embodiment of the utility model has at least the following beneficial effects:

[0012] By arranging the motor chamber below the first chamber, and then setting the depth of the second chamber to be greater than the depth of the first chamber, and installing the gear set in the second chamber, the longitudinal space of the box body can be fully utilized, thereby facilitating the reduction of the volume of the reduction box; the output shaft is passed through the top sealing plate, and the top sealing plate can be used to limit the output shaft, thereby fully utilizing the existing structure and reducing the number of parts of the equipment; a top sealing plate is provided to seal the gear chamber, which can protect the structure in the gear chamber, thereby extending the service life of the reduction box.

[0013] According to some embodiments of the present invention, the gear set includes a plurality of transmission gears, and the plurality of transmission gears are arranged in a staggered meshing manner along a vertical direction.

[0014] According to some embodiments of the present utility model, the transmission gear includes a large gear and a small gear, and the large gear and the small gear are connected to form an integral structure.

[0015] According to some embodiments of the present utility model, the secondary gear is meshed with the large gear, and the output shaft is meshed with the small gear.

[0016] According to some embodiments of the utility model, the reduction gearbox also includes an oil pipe, which is used to connect the oil pump structure and the oil outlet pipe; the box body is provided with a through hole that penetrates the box body, and the oil pipe is passed through the through hole; the inner side wall of the through hole is provided with a limit block extending toward the center direction, and the outer side wall of the oil pipe is provided with a groove, and the limit block is embedded in the groove to limit the oil pipe from rotating around its own axis.

[0017] According to some embodiments of the present invention, the hole wall of the through hole extends downward to form an extension section, and the extension section is provided with a radially protruding clamping strip.

[0018] According to some embodiments of the utility model, the box body is provided with a first connecting plate and a second connecting plate, the first connecting plate is provided with a first connecting hole, and the second connecting plate is provided with a second connecting hole; the box body is provided with a through hole that penetrates the box body, and the first connecting hole and the second connecting hole are rotationally symmetrical around the central axis of the through hole.

[0019] According to some embodiments of the present invention, the box body is provided with a third connecting hole, and the third connecting hole is arranged at the connection between the first chamber and the second chamber.

[0020] According to some embodiments of the utility model, a limit bearing is installed in the middle of the output shaft, and the top sealing plate is provided with a limit groove for the limit bearing to be embedded.

[0021] According to the automatic oil filling machine of the second aspect embodiment of the utility model, it includes an outer shell, an oil outlet pipe and the above-mentioned reduction gearbox, the reduction gearbox is installed in the outer shell, and the oil outlet pipe passes through the outer shell to be connected to the reduction gearbox; since the automatic oil filling machine includes the above-mentioned reduction gearbox, it at least has all the beneficial effects of the reduction gearbox.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention is further described below with reference to the accompanying drawings and embodiments, wherein:

[0024] Figure 1 This is a schematic structural diagram of a reduction gearbox according to an embodiment of the first aspect of the utility model;

[0025] Figure 2 It is a schematic diagram of the assembly of the reduction gearbox of the first embodiment of the utility model;

[0026] Figure 3 for Figure 2 Schematic diagram of the structure of the middle gear set and output shaft;

[0027] Figure 4 for Figure 2 Bottom view of the middle box;

[0028] Figure 5 It is a schematic diagram of the assembly of the outer shell and the reduction gearbox of the second embodiment of the utility model;

[0029] Figure 6 for Figure 5 Top view of the outer shell.

[0030] Figure Number:

[0031] Box body 100, gear chamber 110, first chamber 111, second chamber 112, motor chamber 120, drive motor 121, primary gear 122, secondary gear 123, through hole 130, limit block 131, extension section 140, clamping strip 141, first connecting plate 150, first connecting hole 151, second connecting plate 160, second connecting hole 161, third connecting hole 170;

[0032] Gear set 200, first rod body 210, second rod body 220, transmission gear 230, large gear 231, small gear 232;

[0033] Top sealing plate 300;

[0034] Output shaft 400, limit bearing 410;

[0035] Oil delivery pipe 500, card slot 510;

[0036] The outer shell 600 , the first connecting column 610 , the second connecting column 620 , the third connecting column 630 , the bottom hole 640 , the embedding groove 641 , and the oil outlet pipe 650 . DETAILED DESCRIPTION

[0037] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0038] In the description of the present invention, it should be understood that the descriptions involving orientation, such as the orientation or positional relationship indicated as up, down, etc., are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0039] In the description of the present utility model, "a plurality" means more than two. If there is a description of "first" or "second", it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0040] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0041] Reference Figures 1 to 4 The reduction gearbox of the first embodiment of the utility model comprises a housing 100, wherein the housing 100 has a gear chamber 110 and a motor chamber 120. Figure 1 , Figure 2For example, the opening of the gear chamber 110 faces upward, and the opening of the motor chamber 120 faces downward. The gear chamber 110 includes a first chamber 111 and a second chamber 112. The first chamber 111 and the second chamber 112 are in a connected state. For ease of understanding, they are respectively defined as the first chamber 111 and the second chamber 112. The depth of the second chamber 112 is greater than that of the first chamber 111. A gear set 200 is installed in the second chamber 112. The motor chamber 120 is arranged below the first chamber 111, and the first chamber 111 and the motor chamber 120 are separated by only a partition. A drive motor 121 is installed in the motor chamber 120, and the output end of the drive motor 121 extends into the first chamber 111. Specifically, the cross-sectional area of ​​the motor chamber 120 is substantially the same as the cross-sectional area of ​​the first chamber 111, and the depth of the first chamber 111 plus the depth of the motor chamber 120 is substantially equal to the depth of the second chamber 112, so that the longitudinal space of the housing 100 can be fully utilized, so as to reduce the volume of the reduction gearbox and enable the reduction gearbox to be suitable for a smaller automatic oiling machine.

[0042] Further, see Figure 2 As shown, a primary gear 122 and a secondary gear 123 are installed in the first chamber 111. The primary gear 122 is sleeved on the output end of the driving motor 121, and the secondary gear 123 is used to connect the primary gear 122 and the gear set 200; the diameter of the secondary gear 123 is larger than the diameter of the primary gear 122, so the rotation speed of the secondary gear 123 will be lower than that of the primary gear 122, thereby reducing the output rotation speed. The reduction box also includes a top sealing plate 300 and an output shaft 400. The top sealing plate 300 is connected to the housing 100 and is used to close the gear chamber 110; the output shaft 400 is penetrated by the top sealing plate 300, the bottom of the output shaft 400 is connected to the gear set 200, and the top sealing plate 300 extends upward from the top. The output shaft 400 is used to output power outward, and the output end of the driving motor 121 can effectively reduce the rotation speed of the output shaft 400 through the reduction of the secondary gear 123 and the gear set 200. The reduction gearbox of the embodiment of the utility model can make full use of the longitudinal space of the housing 100 by arranging the motor chamber 120 below the first chamber 111, and then setting the depth of the second chamber 112 to be greater than the depth of the first chamber 111, and installing the gear set 200 in the second chamber 112, so as to facilitate reducing the volume of the reduction gearbox; the output shaft 400 is passed through the top sealing plate 300, and the top sealing plate 300 can be used to limit the output shaft 400, so as to make full use of the existing structure and reduce the number of parts of the equipment; the top sealing plate 300 is provided to seal the gear chamber 110, so as to protect the structure in the gear chamber 110, thereby extending the service life of the reduction gearbox.

[0043] In the embodiment of the present invention, the gear set 200 includes a plurality of transmission gears 230, and the plurality of transmission gears 230 are arranged in a staggered meshing manner along the vertical direction. Figure 2 , Figure 3 As shown, the gear set 200 also includes a first rod body 210 and a second rod body 220. The first rod body 210 and the second rod body 220 are both vertically arranged, and the outer peripheral walls of the first rod body 210 and the second rod body 220 are both smoothly arranged. The first rod body 210 and the second rod body 220 themselves cannot rotate; a plurality of transmission gears 230 are respectively sleeved on the first rod body 210 and the second rod body 220.

[0044] In the embodiment of the utility model, the transmission gear 230 includes a large gear 231 and a small gear 232, and the large gear 231 and the small gear 232 are connected as an integral structure, that is, the rotation speed of the large gear 231 of the same transmission gear 230 is the same as the rotation speed of the small gear 232; the secondary gear 123 is meshed with the large gear 231, and the output shaft 400 is meshed with the small gear 232. For details, refer to Figure 3 As shown, there are six transmission gears 230 in this embodiment. For ease of understanding, the six transmission gears 230 are defined as the first gear, the second gear, the third gear, the fourth gear, the fifth gear and the sixth gear in this embodiment, wherein the first rod body 210 is sequentially the first gear, the third gear and the fifth gear from top to bottom, and the second rod body 220 is sequentially the second gear, the fourth gear and the sixth gear from top to bottom. The large gear 231 of the first gear meshes with the secondary gear 123, the large gear 231 of the second gear meshes with the small gear 232 of the first gear, the large gear 231 of the third gear meshes with the small gear 232 of the second gear, the large gear 231 of the fourth gear meshes with the small gear 232 of the third gear, the large gear 231 of the fifth gear meshes with the small gear 232 of the fourth gear, the large gear 231 of the sixth gear meshes with the small gear 232 of the fifth gear, and a gear is provided at the bottom of the output shaft 400, and the gear at the bottom of the output shaft 400 meshes with the small gear 232 of the sixth gear; through the above meshing method, the rotation speed of the output shaft 400 can be greatly reduced.

[0045] It should be understood that the gear set 200 is not limited to setting six transmission gears 230, and the number of transmission gears 230 and the number of teeth of the transmission gears 230 can be set accordingly according to the actual required rotation speed of the output shaft 400.

[0046] In the embodiments of the present invention, referring to Figure 1 As shown, the output shaft 400 is disposed through the top sealing plate 300; Figure 2 , Figure 3As shown, a limit bearing 410 is installed in the middle of the output shaft 400, and the top sealing plate 300 is provided with a limit groove for the limit bearing 410 to be embedded. The diameter of the limit groove is substantially consistent with the diameter of the limit bearing 410, and the limit groove is not shown in the drawings. When the top sealing plate 300 is covered above the gear chamber 110 and connected to the housing 100, the limit bearing 410 of the output shaft 400 is just embedded in the limit groove. The limit bearing 410 and the limit groove can effectively support the output shaft 400 to ensure the stable rotation of the output shaft 400.

[0047] Reference Figures 1 to 6 As shown, the automatic oil filling machine of the second embodiment of the utility model comprises an outer shell 600, an oil outlet pipe 650 and the above-mentioned reduction box, the reduction box is installed in the outer shell 600, and the oil outlet pipe 650 passes through the outer shell 600 to be connected with the reduction box. Figure 6 As shown, the outer shell 600 has a accommodating cavity, and the reduction gearbox is installed in the accommodating cavity; a bottom hole 640 penetrating the outer shell 600 is provided at the bottom center of the accommodating cavity, and an oil outlet pipe 650 is passed through the bottom hole 640 and connected to the reduction gearbox; a first connecting column 610, a second connecting column 620 and a third connecting column 630 are also provided at the bottom of the accommodating cavity, and threaded holes are provided at the ends of the first connecting column 610, the second connecting column 620 and the third connecting column 630, and the reduction gearbox is connected to the first connecting column 610, the second connecting column 620 and the third connecting column 630 by bolts.

[0048] In the embodiment of the utility model, the reduction box further includes an oil delivery pipe 500, which is used to connect the oil pumping structure and the oil outlet pipe 650. The oil pumping structure is arranged above the oil delivery pipe 500, which is not shown in the drawings. The box body 100 is provided with a through hole 130 penetrating the box body 100, and the through hole 130 is arranged at the center of the box body 100. The oil delivery pipe 500 is penetrated in the through hole 130. Figure 2 , Figure 4 As shown, the inner wall of the through hole 130 is provided with a stopper 131 extending toward the center, and the outer wall of the oil delivery pipe 500 is provided with a slot 510, and the stopper 131 is embedded in the slot 510 to limit the oil delivery pipe 500 from rotating around its own axis. There are two stopper blocks 131 and they are symmetrically arranged, and correspondingly, the outer periphery of the oil delivery pipe 500 is also provided with two symmetrical slots 510.

[0049] In an embodiment of the utility model, the hole wall of the through hole 130 extends downward to form an extension section 140, and the extension section 140 is provided with a radially protruding clamping strip 141; the bottom hole 640 of the outer shell 600 extends upward, and the hole wall of the bottom hole 640 is provided with an embedding groove 641 corresponding to the clamping strip 141, and the clamping strip 141 is installed in the embedding groove 641 to pre-position the reduction gearbox, thereby improving the installation efficiency.

[0050] In the embodiment of the present utility model, the box body 100 is provided with a first connecting plate 150 and a second connecting plate 160, the first connecting plate 150 is provided with a first connecting hole 151, the second connecting plate 160 is provided with a second connecting hole 161, and the first connecting hole 151 and the second connecting hole 161 are rotationally symmetrical around the central axis of the through hole 130. Specifically, refer to Figure 1 As shown, the gear chamber 110 is arranged on the outer periphery of the through hole 130, and the first connecting plate 150 and the first connecting plate 150 extend in a direction away from the gear chamber 110; when the clamping strip 141 is inserted into the embedding groove 641, the first connecting hole 151 is aligned with the first connecting column 610, and the second connecting hole 161 is aligned with the second connecting column 620.

[0051] In the embodiment of the present utility model, the box body 100 is further provided with a third connection hole 170, and the third connection hole 170 is provided at the connection between the first chamber 111 and the second chamber 112. Figure 1 , Figure 4 As shown, the third connecting hole 170 is arranged on the outside of the gear chamber 110, and the gear chamber 110 is recessed toward the center at the connection between the first chamber 111 and the second chamber 112 to reserve a position for the third connecting hole 170; when the clip 141 is inserted into the embedding groove 641, the third connecting hole 170 is aligned with the third connecting column 630.

[0052] The automatic oil filling machine according to the present embodiment is compact and the reduction box is easy to install. Since the automatic oil filling machine includes the reduction box mentioned above, it also has at least all the beneficial effects of the reduction box, which will not be elaborated here.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0054] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A reduction gearbox, characterized in that: include: The housing has a gear chamber and a motor chamber, wherein the gear chamber includes a first chamber and a second chamber, wherein the depth of the second chamber is greater than that of the first chamber, wherein a gear set is installed in the second chamber, and the motor chamber is arranged below the first chamber; wherein a driving motor is installed in the motor chamber, and an output end of the driving motor extends into the first chamber; A first-stage gear is disposed in the first chamber and sleeved on the output end of the driving motor; A secondary gear, installed in the first chamber, used to connect the primary gear and the gear set; the diameter of the secondary gear is greater than the diameter of the primary gear; A top sealing plate connected to the housing and used to seal the gear chamber; The output shaft is passed through the top sealing plate, the bottom of the output shaft is drivingly connected with the gear set, and the top of the output shaft extends upward out of the top sealing plate.

2. The reduction gearbox according to claim 1, characterized in that: The gear set includes a plurality of transmission gears, and the plurality of transmission gears are arranged in a staggered meshing manner along a vertical direction.

3. The reduction gearbox according to claim 2, characterized in that: The transmission gear comprises a large gear and a small gear, and the large gear and the small gear are connected to form an integral structure.

4. The reduction gearbox according to claim 3, characterized in that: The secondary gear is meshed with the large gear, and the output shaft is meshed with the small gear.

5. The reduction gearbox according to claim 1, characterized in that: The reduction gearbox also includes an oil pipe, which is used to connect the oil pump structure and the oil outlet pipe; the box body is provided with a through hole that penetrates the box body, and the oil pipe is passed through the through hole; the inner side wall of the through hole is provided with a limit block extending toward the center direction, and the outer side wall of the oil pipe is provided with a groove, and the limit block is embedded in the groove to limit the oil pipe from rotating around its own axis.

6. The reduction gearbox according to claim 5, characterized in that: The hole wall of the through hole extends downward to form an extension section, and the extension section is provided with a radially protruding clamping strip.

7. The reduction gearbox according to claim 1, characterized in that: The box body is provided with a first connecting plate and a second connecting plate, the first connecting plate is provided with a first connecting hole, and the second connecting plate is provided with a second connecting hole; the box body is provided with a through hole that penetrates the box body, and the first connecting hole and the second connecting hole are rotationally symmetrical around the central axis of the through hole.

8. The reduction gearbox according to claim 1, characterized in that: The box body is provided with a third connecting hole, and the third connecting hole is arranged at the connection between the first chamber and the second chamber.

9. The reduction gearbox according to claim 1, characterized in that: A limit bearing is installed in the middle of the output shaft, and the top sealing plate is provided with a limit groove for the limit bearing to be embedded.

10. An automatic oil filling machine, characterized in that: The invention comprises an outer shell, an oil outlet pipe and a reduction gearbox as claimed in any one of claims 1 to 9, wherein the reduction gearbox is installed in the outer shell, and the oil outlet pipe passes through the outer shell to be connected with the reduction gearbox.

Images