CN219994384U - Skeleton rubber oil seal ring - Google Patents

Abstract

The utility model discloses a framework rubber oil seal sealing ring, which comprises a first sealing ring, a second sealing ring, a first rubber ring and a second rubber ring, wherein a fixing structure for limiting and fixing the first sealing ring is arranged between a connecting rod and the first sealing ring, the fixing structure comprises a connecting block, fixing blocks are arranged on the surface of the first rubber ring, connecting rods penetrate through the surface of the fixing blocks, four connecting blocks are fixedly arranged on the surface of the first sealing ring at equal intervals, a connecting cavity is formed in the surface of the connecting block, L-shaped clamping grooves communicated with the connecting cavity first are formed in the side wall of the connecting cavity, a clamping block is fixedly arranged at one end of the connecting rod, a spring is fixedly arranged at one end of the connecting cavity, a baffle is fixedly connected with the bottom wall of the connecting cavity, and the fixing between the connecting block and the connecting rod is realized through the clamping block fixedly arranged at the bottom end of the L-shaped clamping grooves.

Description

Skeleton rubber oil seal ring

Technical Field

The utility model relates to the technical field of skeleton oil seals, in particular to a skeleton rubber oil seal ring.

Background

The framework oil seal is one of oil seals, and the oil seal generally has the function of isolating a part to be lubricated in a transmission part from the external environment so as not to leak lubricating oil, and is a sealing element for sealing the rotating shaft in mechanical equipment, but the conventional device has a certain problem in the actual use process and still needs continuous improvement;

the utility model discloses a skeleton oil seal with an authorized bulletin number of CN218267238U, which comprises an oil seal body, wherein the oil seal body consists of a first sealing ring and a second sealing ring, a connecting mechanism is arranged between the first sealing ring and the second sealing ring, the connecting mechanism comprises a first rubber ring and a second rubber ring, a circular groove is formed in the inner wall of the first rubber ring, a circular hole is formed in the outer wall of the second rubber ring, a sealing ring is fixedly arranged in the circular groove, and the inner wall of the sealing ring extends to the inside of the circular hole; according to the utility model, through the designed connecting mechanism, when the inner wall of the framework oil seal is worn, the first sealing ring and the self-tightening spiral spring can be replaced independently, the framework oil seal is not required to be replaced integrally, the waste of materials is reduced, the intact part of the framework oil seal can be reused, and the replacement cost of the framework oil seal is reduced.

Because the fixed of first sealing ring is fixed through the spin connection between the positive fixed installation piece that sets up of first sealing ring and the screw column, so change alone first sealing ring and self-tightening helical spring and need rotate the screw column, and then make and release spin connection between the helicla flute that screw column one end and installation piece surface were seted up, but first sealing ring surface is provided with a plurality of installation pieces, this just leads to need rotating the connection between a plurality of screw columns and the installation piece when changing first sealing ring, just can dismantle first sealing ring from the oil blanket body, still need be with the help of external instrument simultaneously for the dismantlement installation of first sealing ring is comparatively inconvenient.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the skeleton rubber oil seal sealing ring, which can solve the technical problems that the surface of a first sealing ring is provided with a plurality of mounting blocks, so that the first sealing ring can be detached from an oil seal body only by rotating the connection between a plurality of spiral columns and the mounting blocks when the first sealing ring is replaced, and meanwhile, the first sealing ring is inconvenient to detach and install by means of an external tool.

In order to solve the technical problems, the utility model provides the following technical scheme: including first sealing washer, second sealing washer, be provided with coupling mechanism between first sealing washer and the second sealing washer, first sealing washer and second sealing washer outside are provided with protection components, coupling mechanism includes first rubber ring and second rubber ring, be provided with the sealing washer that increases the leakproofness between first rubber ring and the second rubber ring, the fixed four fixed blocks that are provided with of first rubber ring surface equidistance, the connecting rod is worn to be equipped with on the fixed block surface, be provided with the fixed knot structure that carries out spacing fixed to first sealing washer between connecting rod and the first sealing washer, fixed knot constructs including connecting block, fixture block, connecting chamber, baffle, spring, first sealing washer surface fixation equidistance is fixed and is provided with four connecting blocks, the connecting chamber has been seted up on the connecting block surface, the L-shaped draw-in groove that is linked together earlier with the connecting chamber has been seted up to the connecting chamber lateral wall, connecting rod one end is fixed and is provided with the fixture block of L-shaped draw-in groove block, the connecting chamber diapire is fixed and is provided with the spring, one end and keep away from the fixed connection of spring end.

As a preferable technical scheme of the utility model, a stop block is fixedly arranged on one side of the fixed block on the surface of the first rubber ring, a semicircular arc is arranged on the surface of the stop block, and the connecting rod penetrates through the semicircular arc arranged on the surface of the stop block.

As a preferable technical scheme of the utility model, the protection component comprises a protection plate, a second sealing ring is arranged on the surface of the protection plate, and a second convex ring is arranged on the surface of the protection plate and positioned on the inner side of the first sealing ring.

As a preferable technical scheme of the utility model, the second convex ring surface is in rotation limiting connection with two baffle bars, and one end of each baffle bar, which is far away from the second convex ring, is fixedly connected with the first convex ring surface through bolts.

As a preferable technical scheme of the utility model, the first sealing ring is internally provided with a self-tightening spiral spring, and the second sealing ring is internally provided with a reinforcing framework.

Compared with the prior art, the utility model has the following beneficial effects:

the clamping device is characterized in that clamping blocks are arranged between the L-shaped clamping grooves and the side wall bottom end fixing of the connecting rod, fixing between the connecting block and the connecting rod is achieved, meanwhile, the connecting cavity formed in the surface of the connecting block is fixedly connected with the spring and the baffle plate in a matched mode, the bottom wall of the connecting rod and the clamping block are pressed upwards, fixing between the connecting rod and the connecting block is firmer, the structure does not need tools during fixed mounting, and the connecting rod can be installed and detached by pressing the connecting rod, so that the connecting rod is fast and convenient to install and detach the first sealing ring.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of a front cross-sectional structure of a partial structure of the present utility model;

FIG. 4 is a schematic top view of a partial structure of the present utility model;

FIG. 5 is a schematic view of a partial structure cross-sectional structure of the present utility model;

wherein: 1. a first collar; 2. a first rubber ring; 3. a second rubber ring; 4. a first seal ring; 5. a fixed block; 6. a barrier strip; 7. a second convex ring; 8. a protection plate; 9. a second seal ring; 10. a seal ring; 11. a connecting rod; 12. a connecting block; 13. a stop block; 14. an L-shaped clamping groove; 15. a clamping block; 16. a connecting cavity; 17. a baffle; 18. and (3) a spring.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Examples

Referring to fig. 1-5, the utility model provides a skeleton rubber oil seal ring, which comprises a second seal ring 9 and a first seal ring 4, wherein a connecting mechanism is arranged between the second seal ring 9 and the first seal ring 4, the connecting mechanism comprises a first rubber ring 2 and a second rubber ring 3 arranged on the inner side of the first rubber ring 2, a seal ring 10 for increasing the tightness between the first rubber ring 2 and the second rubber ring 3 is arranged between the first rubber ring 2 and the second rubber ring 3, four fixed blocks 5 which are equidistantly distributed in circumference are fixedly arranged on the upper surface of the first rubber ring 2, a stop block 13 is fixed on the surface of the first rubber ring 2 at one side of the fixed blocks 5, a connecting rod 11 penetrates through the surface of the fixed blocks 11, a semicircular arc arranged on the surface of the stop block 13 is also penetrated through, a connecting block 12 is fixedly arranged on the upper surface of the first seal ring 4, a connecting cavity 16 is arranged on the surface of the connecting block 12, an L-shaped clamping groove 14 is formed in the inner wall of the connecting cavity 16, one end of the connecting rod 11 is fixedly provided with a clamping block 15 which is clamped with the L-shaped clamping groove 14, and a bottom wall 16 is fixedly arranged at one end of the connecting rod 18 and a bottom wall 18 is fixedly arranged at one end of the connecting rod 17 is arranged at the bottom wall of the connecting rod 18;

when the first sealing ring 4 is installed, firstly, the old first sealing ring 4 is removed, then a new first sealing ring 4 is replaced, then the connecting rod 11 is pressed, a clamping block 15 fixedly arranged on the side wall of one end of the connecting rod 11 reaches the bottom wall of an L-shaped clamping groove 14 formed on the side wall of the connecting cavity 16, then the clamping block 15 is rotated through the connecting rod 11, the clamping block 15 is clamped at the tail end of the L-shaped clamping groove 14, the spring 18 arranged on the bottom wall of the connecting cavity 16 is predicted to be extruded to generate upward reaction force, and the baffle 17 acts on the connecting rod 11 and the bottom wall of the connecting rod 1, so that the clamping block 15 can be tightly clamped at the tail end of the L-shaped clamping groove 14;

as a further implementation manner of this embodiment, as shown in fig. 1-5, a protection component is further arranged on the framework rubber oil seal ring, the protection component comprises a protection plate 8, a first convex ring 1 and a second convex ring 7 are arranged on the surface of the protection plate 8, then a barrier strip 6 is arranged on the surface of the second convex ring 7 in a limiting rotation manner, the other end of the barrier strip 6 is fixedly arranged on the surface of the first convex ring 1 through bolts, and the framework rubber oil seal ring arranged in the protection plate 8 is protected through the arrangement of the barrier strip 6;

the specific working principle is as follows:

during the use, firstly, remove fixed connection between blend stop 6 and the first bulge loop 1 surface, then rotate blend stop 6, remove the limit of blend stop 6 to skeleton rubber oil blanket sealing washer, with the help of rotate connecting rod 11 then pull out connecting rod 11 in the connecting chamber 16 that connecting block 12 surface was seted up, just can change first sealing washer 4 afterwards, then after changing new first sealing washer 4, aim at connecting rod 11 one end at connecting chamber 16 that connecting rod 12 surface was seted up, simultaneously aim at the fixture block 15 that connecting chamber 16 lateral wall was fixed to set up at connecting rod 11L shape draw-in groove 14 that connecting chamber 16 lateral wall was seted up, then press connecting rod 11, make fixture block 15 to reach L shape draw-in groove 14 diapire, then make fixture block 15 block at L shape draw-in groove 14 end through connecting rod 11 rotation fixture block 15, then spring 18 that connecting chamber 16 diapire passes through baffle 17 will act on connecting rod 11 and fixture block 15 diapire for the tight block of fixture block 15 can be at L shape draw-in groove 14 end, increase simultaneously connecting rod 11 and 12, the stability of being connected between first sealing washer 4, this structure just can accomplish through pressing rotation connecting rod 11 and just can accomplish the first sealing washer 4 and dismantle convenient use.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a skeleton rubber oil blanket sealing washer, includes first sealing washer (4), second sealing washer (9), its characterized in that: the connecting mechanism is arranged between the first sealing ring (4) and the second sealing ring (9), a protection component is arranged outside the first sealing ring (4) and the second sealing ring (9), the connecting mechanism comprises a first rubber ring (2) and a second rubber ring (3), a sealing ring (10) for increasing the tightness between the first rubber ring (2) and the second rubber ring (3) is arranged between the first rubber ring (2) and the second rubber ring (3), four fixing blocks (5) are fixedly arranged on the surface of the first rubber ring (2) at equal intervals, a connecting rod (11) is penetrated on the surface of the fixing blocks (5), a fixing structure for limiting and fixing the first sealing ring (4) is arranged between the connecting rod (11) and the first sealing ring (4), the fixing structure comprises a connecting block (12), a clamping block (15), a connecting cavity (16), a baffle (17) and a spring (18), four connecting blocks (12) are fixedly arranged on the surface of the first sealing ring (4), a clamping groove (14) is formed in the surface of the first sealing ring, the connecting block (12) and a connecting block (16) is communicated with one end (14) of the connecting block (16), the connecting cavity (16) bottom wall is fixedly provided with a spring (18), and one end of the spring (18) is fixedly connected with a baffle plate (17) at one end far away from the connecting cavity (16) bottom wall.

2. The skeletal rubber oil seal ring of claim 1, wherein: the novel rubber ring is characterized in that a stop block (13) is fixedly arranged on the surface of the first rubber ring (2) and located on one side of the fixed block (5), a semicircular arc is formed on the surface of the stop block (13), and the connecting rod (11) penetrates through the semicircular arc formed on the surface of the stop block (13).

3. The skeletal rubber oil seal ring of claim 1, wherein: the protection assembly comprises a protection plate (8), a second sealing ring (9) is arranged on the surface of the protection plate (8), and a second convex ring (7) is arranged on the surface of the protection plate (8) and located on the inner side of the first sealing ring (4).

4. A skeletal rubber oil seal ring as defined in claim 3, wherein: the surface of the second convex ring (7) is in rotation limiting connection with two baffle strips (6), and one end of each baffle strip (6) far away from the second convex ring (7) is fixedly connected to the surface of the first convex ring (1) through bolts.

5. The skeletal rubber oil seal ring of claim 1, wherein: the inside of first sealing washer (4) is provided with self-tightening coil spring, the inside of second sealing washer (9) is provided with the reinforcing skeleton.