CN214999401U

CN214999401U - Sealing and lubricating device for engineering machinery

Info

Publication number: CN214999401U
Application number: CN202120817303.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xuzhou Guolian Construction Machinery Co ltd
Current assignee: Xuzhou Guolian Construction Machinery Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-12-03
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a sealed lubricating device for engineering machinery, which comprises a static ring and a movable ring, wherein the top part of the inner side of the static ring is clamped and connected with the movable ring, a movable gasket is arranged at the joint of the static ring and the movable ring, the middle part of the static ring is inserted and connected with the movable ring, and the top part of the movable ring is inserted and connected with the middle part of the movable ring, the sealed lubricating device for engineering machinery has the advantages that the movable ring extrudes the static ring to move a sealed bead into an oil guide hole to guide oil in a lubricating groove, so that lubricating oil circulates and circulates between the lubricating groove and an oil storage hole, the lubricating effect of the device is greatly improved, the guiding work of circulating and circulating oil can be completed by matching with the mechanical sealing through the arrangement of a telescopic rod and a reset spring, and the lubricating oil guided into the oil storage hole can be filtered through the arrangement of a first filter screen and a second filter screen, avoid impurity to sneak into and lead to lubricated effect greatly reduced.

Description

Sealing and lubricating device for engineering machinery

Technical Field

The utility model relates to an engineering machine tool technical field specifically is an engineering machine tool is with sealed lubricating arrangement.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotation axis, keeping fit and sliding relatively under the action of fluid pressure and the elasticity (or magnetic force) of a compensation mechanism and the cooperation of auxiliary seal, and the existing mechanical seal, especially the mechanical seal applied to a transmission shaft body assembly, is easy to follow the relative friction of a moving ring, a static ring and a shaft body in the seal by an oil seal layer in the mechanical seal due to the high-speed rotation of the transmission shaft body, so that the lubricating effect is poor due to the fact that the lubricating oil cannot circulate in the device, and impurities are mixed into the lubricating oil to affect the lubricating effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engineering machine tool is with sealed lubricating arrangement to solve the problem that the lubricating oil that proposes in the above-mentioned background art can not lead to lubricated effect not good and have impurity to sneak into in the lubricating oil influence lubricated effect in the device circulation.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing and lubricating device for engineering machinery comprises a static ring and a dynamic ring, wherein the top of the inner side of the static ring is clamped and connected with the dynamic ring, a movable gasket is arranged at the joint of the static ring and the dynamic ring, the middle of the static ring is connected with the dynamic ring in an inserting way, the top of the dynamic ring is connected with the middle of the dynamic ring in an inserting way, one side of the top end of the dynamic ring is provided with an oil storage hole, one side of the oil storage hole is provided with an oil guide groove, the inner side of the static ring is provided with a lubricating groove, an oil conveying hole is arranged between the lubricating groove and the oil guide groove, one side of the inner wall of the lubricating groove is fixedly connected with a side rod, the top end of the side rod is fixedly connected with a support rod, the top end of the support rod is fixedly connected with a sealing bead, the sealing bead is connected with the oil conveying hole in a sliding way, the middle of the oil conveying hole is provided with an oil guide hole, and two sides of the middle part of the dynamic ring are both fixedly connected with side plates, two both sides between the curb plate are fixedly connected with first filter screen and second filter screen respectively.

As an optimized technical scheme of the utility model, the top block of oil storage hole is connected with sealed lid.

As an optimized technical scheme of the utility model, the junction of quiet ring circle and loose axle is provided with the second sealing joint.

As an optimized technical scheme of the utility model, the junction of movable ring circle and loose axle is provided with first sealing joint.

As a preferred technical scheme of the utility model, the through-hole has all been seted up, two to the both sides on quiet ring circle top the equal fixedly connected with telescopic link in bottom of through-hole, two the top of telescopic link is fixed the both sides that set up in the movable gasket bottom respectively, two the surface of telescopic link all is equipped with reset spring.

As an optimized technical scheme of the utility model, the oil storage hole is provided with the sealing washer with the junction of sealed lid.

Compared with the prior art, the beneficial effects of the utility model are that: the device simple structure, high durability and convenient operation, make sealed pearl remove to leading in the oilhole through rotating ring extrusion quiet ring, lead oil in to the lubrication groove, make lubricating oil do the circulation activity between lubrication groove and oil storage hole, the practicality and the lubricated effect of the device have been improved greatly, can cooperate the mechanical seal activity to accomplish the direction work of fluid circulation through telescopic link and reset spring's setting, can carry out filtration treatment with lubricating oil in leading-in oil storage hole through the setting of first filter screen and second filter screen, get rid of and mix impurity wherein, avoid impurity to sneak into and lead to lubricated effect greatly reduced.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of the present invention;

fig. 4 is an enlarged view of a part B of the present invention.

In the figure: 1. a static ring; 2. a movable shaft; 3. a removable shim; 4. a movable ring; 5. an oil storage hole; 6. a first sealing joint; 7. an oil guide groove; 8. a telescopic rod; 9. a return spring; 10. a lubrication groove; 11. a second sealing joint; 12. a side plate; 13. a first filter screen; 14. a second filter screen; 15. a sealing cover; 16. a seal ring; 17. a side lever; 18. a strut; 19. sealing the beads; 20. an oil guide hole; 21. an oil transfer hole.

Detailed Description

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

Referring to fig. 1-4, the utility model provides a sealing and lubricating device for engineering machinery, which comprises a static ring 1 and a moving ring 4, wherein the top of the inner side of the static ring 1 is connected with the moving ring 4 in a clamping manner, a movable gasket 3 is arranged at the joint of the static ring 1 and the moving ring 4, the middle of the static ring 1 is connected with the moving ring 4 in an inserting manner, the top of the moving ring 4 is connected with the middle of the moving ring 4 in an inserting manner, one side of the top end of the moving ring 4 is provided with an oil storage hole 5, one side of the oil storage hole 5 is provided with an oil guide groove 7, the inner side of the static ring 1 is provided with a lubricating groove 10, an oil conveying hole 21 is arranged between the lubricating groove 10 and the oil guide groove 7, one side of the inner wall of the lubricating groove 10 is fixedly connected with a side rod 17, the top end of the side rod 17 is fixedly connected with a support rod 18, the top end of the support rod 18 is fixedly connected with a sealing bead 19, the sealing bead 19 is connected with the oil conveying hole 21 in a sliding manner, the sealing bead 19 is used for sealing the oil conveying hole 21, guarantee to have the leading-in lubrication groove 10 of lubricating oil at loose axle 2 when not working in, oil guide hole 20 has been seted up at the middle part of oil transmission hole 21, make sealing bead 19 move to in oil guide hole 20 through movable ring 4 extrusion quiet ring 1, come to lead oil in the lubrication groove 10, make lubricating oil do the circulation activity of circulating between lubrication groove 10 and oil storage hole 5, the practicality and the lubricating effect of the device have been improved greatly, the equal fixedly connected with curb plate 12 in both sides at movable ring 4 middle part, both sides difference fixedly connected with first filter screen 13 and second filter screen 14 between two curb plates 12, can carry out filtration treatment with lubricating oil in leading-in oil storage hole 5 through the setting of first filter screen 13 and second filter screen 14, get rid of impurity wherein of adulteration, avoid impurity to sneak into lubrication effect greatly reduced.

Preferably, a sealing cover 15 is connected to the top end of the oil storage hole 5 in a clamping manner, and the sealing cover 15 is arranged to prevent dust from entering the oil storage hole 5.

Preferably, a second sealing joint 11 is arranged at the joint of the static ring 1 and the movable shaft 2, and the arrangement of the second sealing joint 11 can improve the sealing performance of the device.

Preferably, a first sealing joint 6 is arranged at the joint of the movable ring 4 and the movable shaft 2, and the arrangement of the first sealing joint 6 can improve the sealing performance of the device.

Preferably, the through-hole has all been seted up to the both sides on 1 top of quiet ring circle, and the equal fixedly connected with telescopic link 8 in bottom of two through-holes, the top of two telescopic links 8 is fixed the both sides that set up in movable gasket 3 bottom respectively, and the surface of two telescopic links 8 all is overlapped and is equipped with reset spring 9, can cooperate the mechanical seal activity to accomplish the direction work that fluid circulation circulates through telescopic link 8 and reset spring 9's setting.

Preferably, a sealing ring 16 is arranged at the joint of the oil storage hole 5 and the sealing cover 15, and the sealing performance of the device can be improved by arranging the sealing ring 16.

When the sealing lubricating device is used, when the movable shaft 2 works, the movable ring 4 can extrude the static ring 1 to move the sealing bead 19 into the oil guide hole 20 to guide oil in the lubricating groove 10, so that lubricating oil circulates between the lubricating groove 10 and the oil storage hole 5, the practicability and the lubricating effect of the sealing lubricating device are greatly improved, wherein the guiding work of circulating oil can be completed by matching the mechanical sealing activity through the arrangement of the telescopic rod 8 and the reset spring 9, when the movable shaft 2 does not work, the oil transmission hole 21 is sealed through the sealing bead 19, so that no lubricating oil is guided into the lubricating groove 10 when the movable shaft 2 does not work, when the oil storage hole 5 needs to be oiled, the lubricating oil guided into the oil storage hole 5 can be filtered through the arrangement of the first filter screen 13 and the second filter screen 14, impurities doped in the lubricating oil are removed, and the lubricating effect is prevented from being greatly reduced due to the fact that the impurities are mixed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A sealed lubricating device for engineering machinery comprises a static ring (1) and a dynamic ring (4), and is characterized in that: the top clamping of the inner side of the static ring (1) is connected with a movable ring (4), a movable gasket (3) is arranged at the joint of the static ring (1) and the movable ring (4), the movable ring (4) is inserted and connected in the middle of the static ring (1), the top of the movable ring (4) is inserted and connected in the middle of the movable ring (4), an oil storage hole (5) is formed in one side of the top end of the movable ring (4), an oil guide groove (7) is formed in one side of the oil storage hole (5), a lubricating groove (10) is formed in the inner side of the static ring (1), an oil conveying hole (21) is formed between the lubricating groove (10) and the oil guide groove (7), a side rod (17) is fixedly connected to one side of the inner wall of the lubricating groove (10), a support rod (18) is fixedly connected to the top end of the side rod (17), and a sealing bead (19) is fixedly connected to the top end of the support rod (18), the sealing ball (19) is connected with the oil delivery hole (21) in a sliding mode, the middle of the oil delivery hole (21) is provided with an oil guide hole (20), two side plates (12) are fixedly connected to the two sides of the middle of the movable ring (4), and a first filter screen (13) and a second filter screen (14) are fixedly connected to the two sides between the side plates (12) respectively.

2. The seal lubrication device for construction machinery according to claim 1, wherein: the top end of the oil storage hole (5) is connected with a sealing cover (15) in a clamping manner.

3. The seal lubrication device for construction machinery according to claim 1, wherein: and a second sealing joint (11) is arranged at the joint of the static ring (1) and the movable shaft (2).

4. The seal lubrication device for construction machinery according to claim 1, wherein: and a first sealing joint (6) is arranged at the joint of the movable ring (4) and the movable shaft (2).

5. The seal lubrication device for construction machinery according to claim 1, wherein: the through-hole, two have all been seted up to the both sides on quiet ring circle (1) top the equal fixedly connected with telescopic link (8) in bottom of through-hole, two the top of telescopic link (8) is fixed the both sides that set up in activity gasket (3) bottom respectively, two the surface of telescopic link (8) all is overlapped and is equipped with reset spring (9).

6. The seal lubrication device for construction machinery according to claim 2, wherein: and a sealing ring (16) is arranged at the joint of the oil storage hole (5) and the sealing cover (15).