Oil injector protection device and working machine

CN224801384UActive Publication Date: 2026-09-25ZOOMLION EARTHMOVING MASCH CO LTD +1
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Patent Information

Application Number
CN202522245717.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-23
Publication Date
2026-09-25
Estimated Expiration
2035-10-23

AI Technical Summary

Technical Problem

[0004]本实用新型的目的是为了克服现有技术存在的保护罩往往采用封闭式结构,将润滑装置的局部部件封死,检修不方便的问题

Benefits of technology

[0016]通过上述技术方案,本实用新型通过将保护罩与底座之间设置为可转动的,便于打开和关闭注油器保护装置,并且设置支撑机构,使保护罩处于打开位置时保护罩与底座之间的开度固定,便于定期检修注油器和注油线路,以及更换零部件。

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Abstract

The utility model relates to the field of working machine, disclose an oil injector protection device and working machine, the oil injector protection device includes: base, this base is arranged to surround oil injector, protective cover, this protective cover rotatably connected to base, and can rotate between the closing position of cover setting in oil injector and make oil injector outward expose's open position, and support mechanism, this support mechanism is arranged to support protective cover when protective cover rotates to open position, to make the protective cover keep in open position. Through above-mentioned technical scheme, set up as rotatable between protective cover and base, it is convenient for opening and closing oil injector protection device, and set up support mechanism, make the opening degree between protective cover and base when protective cover is in open position fixed, it is convenient for regular overhaul oil injector and oil injection line, and replacement spare part.
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Description

Technical Field

[0001] This utility model relates to the field of operating machinery, specifically to an oiler protection device and operating machinery. Background Technology

[0002] In the field of construction machinery, taking excavators as an example, the automatic centralized lubrication system of excavators is the core lubrication device of modern construction machinery. It mainly consists of a lubrication pump, distributor, lubricator, and grease hose, and can automatically adjust lubrication parameters according to working conditions. When excavators work in harsh environments for a long time, the lubricator is often damaged by impacts from foreign objects such as stones. Therefore, a series of measures need to be taken to ensure its stable operation and extend its service life.

[0003] To solve the above-mentioned technical problems, the existing technology usually uses a protective cover to protect the lubrication device. However, the protective cover in the existing technology is often a closed structure, which seals off some parts of the lubrication device, making maintenance inconvenient. Utility Model Content

[0004] The purpose of this invention is to overcome the problem that existing protective covers often adopt a closed structure, sealing off some parts of the lubrication device and making maintenance inconvenient.

[0005] To achieve the above objectives, this utility model provides an oil injector protection device, comprising: The base is designed to surround the oiler; A protective cover, rotatably connected to the base, and capable of rotating between a closed position covering the lubricator and an open position exposing the lubricator; and, A support mechanism is provided, which is configured to support the protective cover when it is rotated to the open position, so that the protective cover remains in the open position.

[0006] In some embodiments, the protective cover is a housing covering the base and the oiler, and includes a top plate and a connecting plate and an end plate connected to the top plate and disposed opposite to each other, the connecting plate being rotatably connected to the base.

[0007] In some embodiments, the support mechanism is disposed inside the protective cover. The support mechanism includes a support rod and a support plate. The support plate is disposed along the direction from the connecting plate to the end plate. One end of the support rod is rotatably connected to the top plate, and the other end is slidably connected to the support plate. The support plate is provided with a positioning part on the side near the connecting plate. The positioning part can lock the position of the support rod when the support rod slides to the positioning part, so that the protective cover is kept in the open position.

[0008] In some embodiments, the support plate is provided with a groove along its length, the support rod is slidably connected to the groove, and a positioning part is provided at one end of the groove near the connecting plate. The positioning part is configured as a groove that extends and bends along the groove body of the groove.

[0009] In some embodiments, the end of the support rod near the slide groove is bent to form a first bent portion, the first bent portion extending into the slide groove. The support mechanism also includes a first limiting member, which is disposed between the first bent portion and the slide groove and allows the first bent portion to slide in the slide groove.

[0010] In some embodiments, the first limiting member includes a first baffle and a second baffle. The size of the first baffle and the second baffle is larger than that of the slide groove and the positioning part. The first baffle and the second baffle are spaced apart and sleeved outside the first bent part, and are respectively located on both sides of the slide groove and the positioning part.

[0011] In some embodiments, the top plate is provided with an ear plate with a through hole, and the end of the support rod near the top plate is bent to form a second bent portion. The second bent portion extends into the through hole of the ear plate, and a second limiting member is provided between the second bent portion and the ear plate to allow the second bent portion to rotate in the through hole.

[0012] In some embodiments, the base includes a base plate and a fastener. The base plate is fixed to the mounting surface of the operating machinery by the fastener. The base plate has an opening to allow the oiler to be installed on the oiler mounting surface through the opening.

[0013] In some embodiments, the protective cover and / or base are provided with openings to allow the oil filling line to pass through.

[0014] In some embodiments, the lubricator protection device further includes a locking mechanism disposed between the protective cover and the base to allow the protective cover to be opened and closed.

[0015] The second aspect of this utility model provides a working machine, including the above-mentioned oiler protection device.

[0016] Through the above technical solution, this utility model makes the protective cover and the base rotatable, which is convenient for opening and closing the oiler protection device. It also provides a support mechanism so that the opening between the protective cover and the base is fixed when the protective cover is in the open position, which is convenient for regular maintenance of the oiler and the oiling line, as well as replacement of parts. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the protective device for the oiler of the working machinery according to an embodiment of the present invention, which is installed on the working machinery. Figure 2 This is a structural diagram of the protective device for the oiler of the working machinery in an embodiment of this utility model when it is opened; Figure 3This is a structural diagram of the protective cover, base plate, support mechanism, and locking mechanism according to an embodiment of the present utility model; Figure 4 This is an exploded view of the protective cover and hinge mechanism of an embodiment of this utility model; Figure 5 This is a structural diagram of the support rod according to an embodiment of the present utility model; Figure 6 This is an exploded view of the support rod and limiting member according to an embodiment of the present utility model; Figure 7 This is a structural diagram of the support plate according to an embodiment of the present utility model; Figure 8 This is a cross-sectional view of the protective device for the oiler of the working machinery according to an embodiment of the present utility model.

[0018] Explanation of reference numerals in the attached figures 1. Lubricator; 2. Lubrication line; 3. Base; 31. Base plate; 32. Fixing components; 4. Protective cover; 41. Connecting plate; 42. End plate; 43. Side plate; 44. Top plate; 441. Ear plate; 5. Support mechanism; 51. Support rod; 511. Bending part; 52. Support plate; 521. Positioning part; 522. Slide groove; 53. First limiting member; 531. First baffle; 532. Second baffle; 533. Cylindrical pin; 534. Cotter pin; 54. Second limiting member; 6. Locking mechanism; 61. Lock; 611. Baffle; 62. Lock plate; 7. Hinge mechanism. Detailed Implementation

[0019] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0020] In this invention, unless otherwise stated, directional terms such as "up," "down," "left," "right," "inner," and "outer" are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] To address the technical problem that existing lubricator protection devices often employ a closed structure, sealing off certain components of the lubrication system and making maintenance inconvenient, this utility model provides a lubricator protection device, such as... Figure 1 and 2As shown, the lubricator protection device 10 is disposed on the lubricator mounting surface and includes: a base 3, which is configured to surround the lubricator 1; a protective cover 4, which is rotatably connected to the base 3 and can rotate between a closed position and an open position. When the protective cover 4 is in the closed position, a protective space is formed between the protective cover 4 and the base 3 to protect the lubricator 1. When the protective cover 4 is in the open position, an opening is formed between the protective cover 4 and the base 3, exposing the lubricator 1 to the outside; and a support mechanism 5, which is configured to support the protective cover 4 when the protective cover 4 is rotated to the open position, so that the protective cover 4 is kept in the open position and the opening between the protective cover 4 and the base 3 is fixed, thereby facilitating the maintenance of the lubricator 1.

[0022] Through the above technical solution, this utility model makes the protective cover 4 and the base 3 rotatable, which facilitates the opening and closing of the oiler protection device 10, and provides a support mechanism 5 so that the opening between the protective cover 4 and the base 3 is fixed when the protective cover 4 is in the open position, which facilitates the regular maintenance of the oiler 1 and the oiling line 2, as well as the replacement of parts.

[0023] In some embodiments, such as Figure 2 As shown, the protective cover 4 is a housing covering the base 3 and the oiler 1. The protective cover 4 includes a top plate 44 and a connecting plate 41 and an end plate 42 connected to the top plate 44 and arranged opposite to each other, wherein the connecting plate 41 is rotatably connected to the base 3. The protective cover 4 also includes a side plate 43 disposed between the connecting plate 41 and the end plate 42. When the protective cover 4 is in the open position, the end plate 42 and the side plate 43 are away from the base 3. When the protective cover 4 is in the closed position, the end plate 42 and the side plate 43 abut against the base 3. When the protective cover 4 is in the closed position, the oiler 1 is covered between the protective cover 4 and the base 3, preventing falling rocks and other debris from damaging the oiler 1, and isolating the oiler 1 from the outside environment, preventing dust accumulation and extending the service life of the oiler 1.

[0024] In some embodiments, such as Figure 2 As shown, the support mechanism 5 is located inside the protective cover 4. The support mechanism 5 includes a support rod 51 and a support plate 52. The support plate 52 is arranged along the direction from the connecting plate 41 to the end plate 42. One end of the support rod 51 is rotatably connected to the top plate 44, and the other end is slidably connected to the support plate 52. This arrangement allows one end of the support rod 51 to slide along the support plate 52 from the end plate 42 to the connecting plate 41 when the protective cover 4 is opened, while the other end rotates around the top plate 44. A positioning part 521 is provided on the side of the support plate 52 near the connecting plate 41. When the protective cover 4 is opened until the support rod 51 slides to the positioning part 521, the positioning part 521 can lock the position of the support rod 51, keeping the protective cover 4 in the open position and maintaining a fixed opening between it and the base 3, which is convenient for maintenance. Figure 2In the illustrated embodiment, the support plate 52 is fixed to the base 3. In other alternative embodiments, the support plate 52 may also be fixed to the oiler mounting surface.

[0025] In some embodiments, such as Figure 3 , Figure 7 and Figure 8 As shown, the support plate 52 has a groove 522 along its length, and the support rod 51 is slidably connected to the groove 522. A positioning part 521 is located at one end of the groove 522 near the connecting plate 41. The positioning part 521 is a groove extending and bending along the groove of the groove 522. The groove of the positioning part 521 can be configured to extend in any direction relative to the groove of the groove 522. When the support rod 51 slides to the positioning part 521, because the groove of the positioning part 521 is in a different direction from the groove of the groove 522, it can prevent the support rod 51 from sliding into the groove 522, thereby supporting the protective cover 4 and keeping the protective cover 4 in the open position. Due to the influence of gravity, the support rod 51 moves downwards more easily. Figure 7 and Figure 8 In the preferred embodiment shown, the groove of the positioning part 521 is configured to bend downwards at an angle and offset towards the end plate 42, making it easier for the support rod 51 to enter the groove of the positioning part 521, facilitating operation, and preventing it from easily coming out. Additionally, in Figure 7 Figure 8 In the preferred embodiment shown, the groove 522 is a through hole provided on the support plate 52, which is less costly. In other alternative embodiments, two protruding baffles can also be provided on the support plate 52, and a groove is formed between the baffles and the plate body of the support plate 52, in which the support rod 51 slides.

[0026] In some embodiments, such as Figure 3 , Figure 5 and Figure 6 As shown, the support rod 51 is bent at one end near the slide groove 522 to form a first bent portion 511. The first bent portion 511 extends into the slide groove 522 and slides within it. The support mechanism 5 also includes a first limiting member 53, which is disposed between the first bent portion 511 and the slide groove 522 and allows the first bent portion 511 to slide within the slide groove 522. The first limiting member 53 is used to limit the position of the first bent portion 511, keeping it sliding within the slide groove 522.

[0027] In some embodiments, the first limiting member 53 includes a first baffle 531 and a second baffle 532. The size of the first baffle 531 and the second baffle 532 is larger than that of the slide groove 522 and the positioning part 521. The first baffle 531 and the second baffle 532 are spaced apart and sleeved on the outside of the first bent part 511, and are respectively located on both sides of the slide groove 522 and the positioning part 521. The first baffle 531 and the second baffle 532 can prevent the first bent part 511 from falling out when sliding in the slide groove 522 and the positioning part 521.

[0028] In some embodiments, the first limiting member 53 further includes a cylindrical pin 533 and a cotter pin 534. Specifically, as Figure 5 and Figure 6 As shown, an opening is provided along the length direction inside the first bending portion 511. One end of the cylindrical pin 533 extends into the opening. Two holes corresponding to the cylindrical pin 533 are provided on the side wall of the first bending portion 511. Cotter pins or wires can be provided to pass through the holes on the first bending portion 511 and the cylindrical pin 533 to fix the cylindrical pin 533 in the first bending portion 511. The other end of the cylindrical pin 533 extends out of the first stop plate 531 and the second stop plate 532. A through hole is provided on the side of the cylindrical pin 533 outside the first stop plate 531 and the second stop plate 532. A cotter pin 534 passes through the opening of the cylindrical pin 533 to fix the first stop plate 531 and the second stop plate 532 outside the cylindrical pin 533, thereby fixing the two stop plates to the outside of the first bending portion 511 at intervals. In other alternative embodiments, the first stop plate 531 and the second stop plate 532 can be welded to the outside of the first bending portion 511.

[0029] In some embodiments, such as Figure 2 and Figure 4 As shown, the top plate 44 is provided with an ear plate 441. The ear plate 441 has a through hole in a direction perpendicular to the top plate 44. The end of the support rod 51 near the top plate 44 is bent to form a second bent portion 512. The second bent portion 512 extends into the through hole of the ear plate 441. A second limiting member 54 is provided between the second bent portion 512 and the ear plate 441 to allow the second bent portion 512 to rotate in the through hole without slipping out. The second limiting member 54 is the same as the first limiting member 53, including two baffles sleeved on the second bent portion 512. The two baffles are fixed to the outside of the second bent portion 512 by a cylindrical pin and a cotter pin. The two baffles are located on both sides of the ear plate 441, so that the second bent portion 512 can rotate in the through hole of the ear plate 441. The support rod 51 as a whole can rotate around the top plate 44. In other alternative embodiments, the support rod 51 may not have the second bend 512. Instead, a ball joint or hinge may be provided between the end of the support rod 51 and the top plate 44, allowing the support rod 51 to rotate relative to the top plate 44. The bending direction of the second bend 512 may be the same as or opposite to that of the first bend 511.

[0030] In some embodiments, such as Figure 2 As shown, the base 3 includes a base plate 31 and a fixing member 32. The base plate 31 is fixed to the mounting surface of the working machinery by the fixing member 32. The base plate 31 has an opening to allow the oiler 1 to be installed on the oiler mounting surface through the opening. The fixing member 32 can be a bolt, nut, or other fixing member that can fix the base plate 31 to the mounting surface of the working machinery. This arrangement creates a gap between the base plate 31 and the oiler mounting surface, which facilitates ventilation and heat dissipation of the oiler 1 and extends the service life of the oiler 1.

[0031] In some embodiments, the protective cover 4 and / or the base 3 are provided with openings to allow the oil filling line 2 to pass through. For example... Figure 2 and Figure 3 As shown, the side plate 43 has an opening, and the base 3 also has an opening on the side near the connecting plate 41, so that the oil injection pipe 2 can pass through and connect to the position where oil needs to be injected.

[0032] In some embodiments, a hinge mechanism 7 is provided between the protective cover 4 and the base 3. The hinge mechanism 7 is located between the connecting plate 41 and the base 3, allowing the protective cover 4 to rotate relative to the base 3 to open or close the protective device. To increase the connection strength between the protective cover 4 and the base 3, such as... Figure 2 , Figure 3 and Figure 4 As shown, the base 3 is located on one side of the connecting plate 41 and is provided with an L-shaped connecting plate and a vertical reinforcing rib. The hinge mechanism 7 is connected between the L-shaped connecting plate and the connecting plate 41. An opening is also formed between the two L-shaped connecting plates and the base 3 to facilitate the passage of the oil injection pipeline 2.

[0033] In some embodiments, the lubricator protection device 10 further includes a locking mechanism 6 disposed between the protective cover 4 and the base 3 to allow the protective cover 4 to open and close. Figure 8 The diagram illustrates a preferred embodiment of the locking mechanism 6, which includes a lock 61 and a locking plate 62. An end plate 42 has a through hole into which the lock 61 is rotatably disposed. The locking plate 62 is vertically disposed on one side of the base 3, located on the end plate 42. The lock 61 extends inwards towards the protective cover 4 and has a vertical baffle 611, which is rotatable between an open position and a locked position. In the locked position, the baffle 611 stops the lock plate 62 on the side away from the end plate 42, preventing the end plate 42 from separating from the base 3, thus maintaining the protective cover 4 in the closed position. In the open position, the baffle 611 is offset from the end plate 42 to allow the end plate 42 and base 3 to separate, allowing the protective cover 4 to be in the open position. In other alternative embodiments, the lock 61 may also be disposed on a side plate 43, with the locking plate 62 correspondingly disposed on one side of the base 3, located on the side plate 43. Alternatively, any lock structure from the prior art may be used.

[0034] A second aspect of this utility model also provides a working machine, including the aforementioned oiler protection device 10. For example... Figure 1 As shown, the oiler is mounted on the excavator boom, and the oiler protection device 10 described in this invention is correspondingly mounted outside the oiler. It is understood that the oiler protection device 10 described in this invention is not limited to excavators; it can be applied to any type of machinery, such as loaders and bulldozers, depending on the oiler's mounting location.

[0035] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings; however, the present invention is not limited thereto. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, including the combination of various specific technical features in any suitable manner. To avoid unnecessary repetition, the present invention will not describe the various possible combinations separately. However, these simple modifications and combinations should also be considered as the content disclosed in the present invention and are all within the protection scope of the present invention.

Claims

1. An oil injector protection device (10), characterized in that, include: Base (3), said base (3) is configured to surround the oiler (1); A protective cover (4), rotatably connected to the base (3), and capable of rotating between a closed position covering the oiler (1) and an open position exposing the oiler (1); and, A support mechanism (5) is configured to support the protective cover (4) when the protective cover (4) is rotated to the open position, so that the protective cover (4) remains in the open position.

2. The oiler protection device (10) according to claim 1, characterized in that, The protective cover (4) is a housing covering the base (3) and the oil injector (1), and includes a top plate (44) and a connecting plate (41) and an end plate (42) connected to the top plate (44) and arranged opposite to each other. The connecting plate (41) is rotatably connected to the base (3).

3. The oiler protection device (10) according to claim 2, characterized in that, The support mechanism (5) is located inside the protective cover (4). The support mechanism (5) includes a support rod (51) and a support plate (52). The support plate (52) is arranged along the direction from the connecting plate (41) to the end plate (42). One end of the support rod (51) is rotatably connected to the top plate (44), and the other end is slidably connected to the support plate (52). The support plate (52) has a positioning part (521) on the side near the connecting plate (41). The positioning part (521) can lock the position of the support rod (51) when the support rod (51) slides to the positioning part (521) so that the protective cover (4) is kept in the open position.

4. The oiler protection device (10) according to claim 3, characterized in that, The support plate (52) is provided with a groove (522) along its length. The support rod (51) is slidably connected to the groove (522). The positioning part (521) is provided at one end of the groove (522) near the connecting plate (41). The positioning part (521) is configured as a groove that extends and bends along the groove (522).

5. The oiler protection device (10) according to claim 4, characterized in that, The support rod (51) is bent at one end near the slide groove (522) to form a first bent portion (511), the first bent portion (511) extends into the slide groove (522), and the support mechanism (5) further includes a first limiting member (53), the first limiting member (53) is disposed between the first bent portion (511) and the slide groove (522) and allows the first bent portion (511) to slide in the slide groove (522).

6. The oiler protection device (10) according to claim 5, characterized in that, The first limiting member (53) includes a first baffle (531) and a second baffle (532). The size of the first baffle (531) and the second baffle (532) is larger than that of the slide groove (522) and the positioning part (521). The first baffle (531) and the second baffle (532) are spaced apart and sleeved outside the first bent part (511), and are located on both sides of the slide groove (522) and the positioning part (521), respectively.

7. The oiler protection device (10) according to claim 3, characterized in that, The top plate (44) is provided with an ear plate (441) with a through hole. The support rod (51) is bent at one end near the top plate (44) and formed into a second bent part (512). The second bent part (512) extends into the through hole of the ear plate (441). A second limiting member (54) is provided between the second bent part (512) and the ear plate (441) to allow the second bent part (512) to rotate in the through hole.

8. The oiler protection device (10) according to claim 1, characterized in that, The base (3) includes a base plate (31) and a fixing member (32). The base plate (31) is fixed to the mounting surface of the working machinery by the fixing member (32). The base plate (31) has an opening to allow the oiler (1) to be installed on the oiler mounting surface through the opening; and / or, The protective cover (4) and / or the base (3) are provided with openings to allow the oil filling line (2) to pass through.

9. The lubricator protection device (10) according to claim 1, characterized in that, The lubricator protection device (10) further includes a locking mechanism (6) located between the protective cover (4) and the base (3) to allow the protective cover (4) to open and close.

10. A type of operating machinery, characterized in that, Includes the lubricator protection device (10) according to any one of claims 1 to 9.