CN209557651U - A kind of O-ring seal that resistance to compression is durable - Google Patents

Abstract

The utility model discloses a kind of durable O-ring seals of resistance to compression of water-tight equipment technical field, including O-ring, lantern ring, two iron hoops and anti pressure devices, before the O-ring, rear wall is provided with a concave groove, two iron hoops are embedded in respectively in the concave groove, the lateral wall that annular is socketed on the O-ring is presented in the lantern ring, multiple through-holes are provided with inside the O-ring, annular is presented inside the O-ring and equidistantly distributes for the through-hole, the anti pressure devices are embedded in the through-hole, the anti pressure devices are connect by the through-hole with the O-ring.The setting of the durable O-ring seal of the resistance to compression, it is reasonable in design, anti pressure devices, lantern ring and iron hoop with the use of the compression strength that can effectively improve O-ring seal, anti pressure devices improve O-ring seal internal intensity, lantern ring and iron hoop improve the external intensity of O-ring seal, to improve the service life of O-ring seal.

Description

A kind of O-ring seal that resistance to compression is durable

Technical field

The utility model relates to water-tight equipment technical field, specially a kind of O-ring seal that resistance to compression is durable.

Background technique

Outside framework oil seal is the Typical Representative of oil sealing, and oil sealing generally refers to outside framework oil seal.The effect of oil sealing is general The component for needing to lubricate in transmission parts is isolated with external environment exactly, is unlikely to allow oil seepage.Existing O-shaped sealing Load is poor in the crushing resistance that a serious problem is exactly O-ring seal when in use, for a long time by the extruding of device It can make O-ring seal that aging occur, reduce its service life.

Utility model content

The purpose of this utility model is to provide a kind of O-ring seals that resistance to compression is durable, to solve in above-mentioned background technique The crushing resistance of the O-ring seal of proposition is poor, can be made O-ring seal that aging occur by the extruding of device for a long time, reduces The problem of its service life.

To achieve the above object, the utility model provides the following technical solutions: a kind of O-ring seal that resistance to compression is durable, packet O-ring, lantern ring, two iron hoops and anti pressure devices are included, the forward and backward side wall of the O-ring is provided with a concave groove, described in two Iron hoop is embedded in respectively in the concave groove, and the lateral wall that annular is socketed on the O-ring, the O-ring is presented in the lantern ring Inside is provided with multiple through-holes, and annular is presented inside the O-ring and equidistantly distributes for the through-hole, and the anti pressure devices are embedded in In the through-hole, the anti pressure devices are connect by the through-hole with the O-ring, two iron hoops pass through respectively bolt and The anti pressure devices link.

Preferably, the anti pressure devices include column and connecting rod, and the lateral wall of the column, which is symmetrically welded, is fixed with two A connecting rod, the column and the connecting rod join end to end and form ring structure.

Preferably, the lateral wall of the O-ring is provided with multiple locating slots, and the inner sidewall of the lantern ring is welded with and institute The equal positioning column of positioning slot number is stated, the positioning column and the locating slot cooperate and connect.

Preferably, the O-ring includes the first semicircular ring and the second semicircular ring, first semicircular ring and described the second half Annulus is fixed by welding.

Compared with prior art, the utility model has the beneficial effects that the setting of the durable O-ring seal of the resistance to compression, knot Structure design rationally, anti pressure devices, lantern ring and iron hoop with the use of the compression strength that can effectively improve O-ring seal, resist Pressure device improves O-ring seal internal intensity, and lantern ring and iron hoop improve the external intensity of O-ring seal, to improve O-shaped sealing The service life of circle.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model schematic diagram of internal structure；

Fig. 3 is the utility model right side structure schematic diagram.

In figure: O-ring 100, concave groove 110, through-hole 120, the first semicircular ring 130, the second semicircular ring 140, locating slot 150, lantern ring 200, positioning column 210, iron hoop 300, anti pressure devices 400, column 410, connecting rod 420.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model, which provides a kind of O-ring seal that resistance to compression is durable, makes it for reinforcing the crushing resistance of O-ring seal The service life of O-ring seal is improved, referring to Fig. 1, including O-ring 100, lantern ring 200, two iron hoops 300 and anti pressure devices 400。

Fig. 1 and Fig. 3 are please referred to, the forward and backward side wall of O-ring 100 is respectively provided with an equal-sized concave groove 110, O-ring 100 inside offers 12 through-holes 120, and concave groove 110 is for installing iron hoop 300, and through-hole 120 is for installing anti pressure devices 400, the material that O-ring 100 uses is rubber.

Fig. 1 and Fig. 2 are please referred to, lantern ring 200 is socketed on the lateral wall of O-ring 100, the inside dimension and O-ring of lantern ring 200 100 outside dimension is identical, and the thickness of lantern ring 200 is identical as the thickness of O-ring 100, and lantern ring 200 is placed on the outside of O-ring 100, Lantern ring 200 is used to reinforce the crushing resistance of O-ring 100, and the material that lantern ring 200 uses is iron.

Referring again to Fig. 1 and Fig. 3, two iron hoops 300 are embedded in the forward and backward side wall of O-ring 100, two iron hoops 300 respectively Inside offer 12 the first thread grooves, iron hoop 300 is connect by bolt with anti pressure devices 400, the ruler of concave groove 110 Very little identical as the size of iron hoop 300, iron hoop 300 is embedded in concave groove 110, and iron hoop 300 is used to reinforce the resistance to compression of O-ring 100 Property, the material that iron hoop 300 uses is iron.

Referring again to Fig. 2, anti pressure devices 400 are mounted on the inside of O-ring 100, specifically, anti pressure devices 400 are embedded in In 12 through-holes 120, the forward and backward side wall of the anti pressure devices 400 offers 12 and 12 the first thread groove phases Corresponding second thread groove is installed anti pressure devices 400 by 12 the first thread grooves, 12 the second thread grooves and bolt In the inside of O-ring 100, anti pressure devices 400 are for the crushing resistance for reinforcing O-ring 100, the material that anti pressure devices 400 use Material is iron.

Referring again to Fig. 2, in order to guarantee O-ring 100 when being squeezed by external force can uniform stressed, 12 columns 410 and 11 420 head and the tail of connecting rod are welded to form a ring-type, and making its ring-type is symmetrical structure, column 410 and connecting rod 420, for reinforcing the whole intensity of O-ring 100, improve crushing resistance, the material that column 410 and connecting rod 420 use is iron.

Referring again to Fig. 2, lantern ring 200 is separated with O-ring 100 in order to prevent, is provided with 12 in the lateral wall of O-ring 100 A locating slot 150, the inner sidewall of lantern ring 200 are positioned by being welded with positioning column 210 identical with 150 quantity of locating slot Column 210 is installed into locating slot 150, and positioning column 210 and locating slot 150 are for preventing lantern ring 200 to be detached from O-ring 100, positioning column 210 materials used are iron.

Referring again to Fig. 3, in order to facilitate the installation of anti pressure devices 400, O-ring 100 has the first semicircular ring 130 and second Symmetrically, anti pressure devices 400 are plugged in the first semicircular ring 130 for semicircular ring 140, the first semicircular ring 130 and the second semicircular ring 140 Inside the second semicircular ring 140, the first semicircular ring 130 and the second semicircular ring 140 are used to quickly install anti pressure devices 400, the The material that one semicircular ring 130 and the second semicircular ring 140 use is rubber.

Above-mentioned the first thread groove, the second thread groove, locating slot 150 and positioning column 210 is not limited in the present embodiment note The particular number of load, those skilled in the art the present apparatus can complete its it is measuring body under the premise of, can according to need increasing and add deduct Its few quantity.

Working principle: O-ring 100 is placed in mounting groove, after O-ring 100 is by the extruding of external force, lantern ring 200, iron hoop 300 and the mutual cooperations of anti pressure devices 400 outside of O-ring 100 and the internal intensity of O-ring 100 are reinforced, improve O The crushing resistance of type circle 100.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of O-ring seal that resistance to compression is durable, it is characterised in that: including O-ring (100), lantern ring (200), two iron hoops (300) and anti pressure devices (400), the forward and backward side wall of the O-ring (100) is provided with a concave groove (110), described in two Iron hoop (300) is embedded in respectively in the concave groove (110), and the lantern ring (200) is presented annular and is socketed on the O-ring (100) lateral wall, the O-ring (100) is internal to be provided with multiple through-holes (120), and the through-hole (120) is in the O-ring (100) the internal annular that presents equidistantly distributes, and the anti pressure devices (400) are embedded in the through-hole (120), the resistance to compression dress Set (400) and connect with the O-ring (100) by the through-hole (120), two iron hoops (300) pass through respectively bolt and Anti pressure devices (400) link.

2. a kind of durable O-ring seal of resistance to compression according to claim 1, it is characterised in that: the anti pressure devices (400) Including column (410) and connecting rod (420), the lateral wall of the column (410) is symmetrically welded fixation, and there are two the connecting rods (420), the column (410) and the connecting rod (420) join end to end and form ring structure.

3. a kind of durable O-ring seal of resistance to compression according to claim 1, it is characterised in that: the O-ring (100) Lateral wall is provided with multiple locating slots (150), and the inner sidewall of the lantern ring (200) is welded with and the locating slot (150) number It measures equal positioning column (210), the positioning column (210) and the locating slot (150) cooperate and connect.

4. a kind of durable O-ring seal of resistance to compression according to claim 1, it is characterised in that: O-ring (100) packet The first semicircular ring (130) and the second semicircular ring (140) are included, first semicircular ring (130) and second semicircular ring (140) are logical Welding is crossed to fix.