CN219549589U - Double-layer composite rubber sealing ring - Google Patents

Abstract

The utility model discloses a double-layer composite rubber sealing ring, which comprises a connecting plate, an inner rubber ring and an outer rubber ring, wherein six groups of positioning blocks are arranged on the inner side and the outer side of the connecting plate, six groups of positioning grooves matched with the positioning blocks are formed on the outer side of the inner rubber ring and the inner side of the outer rubber ring, a guide groove is formed on one side, far away from the connecting plate, of each positioning block on two sides, an inserting rod is inserted into the inner side of each guide groove in a sliding manner, and a spring is arranged on one side, close to the connecting plate, of each inserting rod; according to the utility model, through the mutual matching among the inner rubber ring, the outer rubber ring, the positioning groove, the positioning block, the slot, the inserted link, the adjusting groove, the internal thread block, the pull rope, the spring and the threaded rod, the device can be used for independently replacing the inner rubber ring or the outer rubber ring according to the abrasion degree of the inner rubber ring or the outer rubber ring, and the fixing of the inner rubber ring and the outer rubber ring can be simultaneously released by only rotating two groups of threaded rods during replacement.

Description

Double-layer composite rubber sealing ring

Technical Field

The utility model relates to the technical field of rubber sealing rings, in particular to a double-layer composite rubber sealing ring.

Background

The sealing ring is an original fitting or part for preventing liquid or solid particles from leaking from adjacent fusion surfaces and preventing external residues such as dust, water and the like from invading mechanical equipment parts, the sealing ring is a key component part of engineering mechanical equipment and is an unavailable part, the sealing ring can be divided into multiple types according to different use environments and functions, and the double-layer composite rubber sealing ring is one of the two types;

the prior patent with the publication number of CN217422198U discloses a double-layer composite rubber sealing ring, which is beneficial to improving the shock resistance and the buffer performance of the mounting ring through a plurality of spring supporting pieces arranged between the fixing ring and the mounting ring, reducing the deformation of the rubber ring fixed on the mounting ring, reducing gaps, improving the sealing performance between a sealing ring body and a workpiece, improving the stability of the position between the fixing ring and the mounting ring through a plurality of telescopic guiding pieces, avoiding the influence of external force, generating deformation, improving the sealing performance between the two side surfaces and the end surface of the workpiece through a side rubber pad arranged on a side plate, and greatly improving the sealing effect;

however, the device has the following defects:

when the sealing ring is used, the abrasion degrees of the inner layer and the outer layer of the sealing ring are different, but in the device, the inner layer and the outer layer of the sealing ring are difficult to be independently replaced, and when one inner layer or one outer layer is damaged, the whole sealing ring is required to be replaced, so that unnecessary waste is caused.

Disclosure of Invention

The utility model aims to provide a double-layer composite rubber sealing ring to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a double-deck combined type rubber seal, includes connecting plate, interior rubber circle and outer rubber circle, the inboard and the outside of connecting plate all are provided with six group's locating pieces, six group's constant head tank with locating piece looks adaptation have all been seted up to the outside of interior rubber circle and the inboard of outer rubber circle, two groups in both sides the guide slot has been seted up to locating piece keep away from connecting plate one side, the inboard slip grafting of guide slot has the inserted bar, the inserted bar is close to connecting plate one side and is provided with the spring, two groups in both sides the constant head tank inboard is kept away from connecting plate one side and has been seted up with inserted bar matched with slot, the regulating groove has been seted up to the inside both sides of connecting plate, two groups the bottom cover of regulating groove inboard is equipped with the threaded rod, the outside threaded connection of threaded rod has the internal thread piece, the both sides of internal thread piece are provided with the stay cord, two groups the end department of stay cord is connected with the inserted bar.

Preferably, the middle parts of the two sides of the inner side of the adjusting groove are provided with guide wheels matched with the pull ropes, when the internal thread block moves downwards, the pull ropes can be pulled downwards, the pull ropes can be guided through the guide wheels, and when the pull ropes are pulled downwards, the inserting rods can be pulled to move towards the inner side of the guide grooves.

Preferably, the middle part at connecting plate top is seted up flutedly, the top of threaded rod extends to the inboard of recess and is provided with the screw cap, when changing interior rubber circle or outer rubber circle, accessible external screwdriver rotates the screw cap to the convenient control threaded rod is rotatory, dismantles and installs interior rubber circle and outer rubber circle.

Preferably, a limiting block is arranged on one side of the inserted link, the pull rope and the spring are connected with the limiting block, the movable range of the inserted link can be limited through the limiting block, the inserted link can only slide along the inner side of the guide groove, and when the inserted link moves towards the inner side of the guide groove, the spring can be pushed to compress through the limiting block.

Preferably, the cross-sectional shape of locating piece is trapezoidal, the constant head tank agrees with the locating piece, because the shape characteristic of locating piece, when installing inner rubber circle and outer rubber circle, conveniently fix a position it fast to after locating piece and constant head tank block, can provide stable fixed, prevent inner rubber circle and outer rubber circle activity.

Preferably, the sliding grooves are formed in the two ends of the inner side of the adjusting groove, the inner sides of the two groups of sliding grooves are connected with the sliding blocks in a sliding mode, one ends, close to each other, of the two groups of sliding blocks are connected with the internal thread blocks, when the threaded rod is rotated, the internal thread blocks can be guided through the sliding grooves and the sliding blocks, the internal thread blocks can not rotate, and only can slide along the outer side of the threaded rod, so that the pull rope can be pulled.

Compared with the prior art, the utility model has the beneficial effects that: this double-deck combined type rubber seal passes through interior rubber circle, outer rubber circle, constant head tank, locating piece, slot, inserted bar, adjustment tank, internal thread piece, stay cord, spring and threaded rod between mutually supporting for the device can be according to the wearing and tearing degree of interior rubber circle or outer rubber circle when using, change interior rubber circle or outer rubber circle alone, only need rotatory two sets of threaded rods when changing, can remove simultaneously the fixed to interior rubber circle and outer rubber circle, promoted the loading and unloading convenience to interior rubber circle and outer rubber circle, make the device need not just wholly change the sealing washer when damaging including rubber circle or outer rubber circle, reduced the waste of resource, saved use cost.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a top cross-sectional view of the present utility model;

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

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;

fig. 5 is an enlarged schematic view of the structure at B of fig. 3 according to the present utility model.

In the figure: 1. a connecting plate; 2. an inner rubber ring; 3. an outer rubber ring; 4. a positioning groove; 5. a positioning block; 6. a slot; 7. a rod; 8. an adjustment tank; 9. an internal thread block; 10. a pull rope; 11. a guide groove; 12. a spring; 13. a threaded rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, embodiments of the present utility model are provided: the double-layer composite rubber sealing ring comprises a connecting plate 1, an inner rubber ring 2 and an outer rubber ring 3, six groups of positioning blocks 5 are arranged on the inner side and the outer side of the connecting plate 1, the cross section of each positioning block 5 is trapezoidal, each positioning block 4 is matched with the corresponding positioning block 5, due to the shape characteristic of each positioning block 5, when the inner rubber ring 2 and the outer rubber ring 3 are installed, the positioning blocks 2 and the outer rubber ring 3 are conveniently and quickly positioned, after the positioning blocks 5 are clamped with the positioning blocks 4, stable fixation can be provided, the inner side of each positioning block 2 and the outer rubber ring 3 are prevented from moving, six groups of positioning grooves 4 matched with the corresponding positioning blocks 5 are formed on the outer side of each inner rubber ring 2 and the inner side of the corresponding outer rubber ring 3, guide grooves 11 are formed on one side of each positioning block 5 away from the connecting plate 1, inserted rods 7 are slidably inserted on the inner side of each guide grooves 11, springs 12 are arranged on one side of each inserted rod 7 close to the connecting plate 1, regulating grooves 8 are formed on two sides of the inner side of each connecting plate 1, sliding grooves 8 are formed in two ends of the inner side of each regulating groove 8, sliding blocks are formed in the inner side of each sliding grooves, and the two sliding blocks are slidably connected with one end of each sliding blocks 13 along one threaded rod, and can only rotate along one threaded rod 13 when the two sliding blocks are rotatably connected with one threaded rod 13;

the middle part of the inboard both sides of adjustment tank 8 is provided with the leading wheel with stay cord 10 matched with, when interior thread piece 9 moves down, can pull stay cord 10 downwards, can lead stay cord 10 through the leading wheel, make stay cord 10 when being pulled downwards, can pull inserted bar 7 to the inboard removal of guide slot 11, the inboard bottom cover of two sets of adjustment tank 8 is equipped with threaded rod 13, the middle part at connecting plate 1 top is seted up flutedly, the top of threaded rod 13 extends to the inboard of recess and is provided with the screw cap, when changing interior rubber circle 2 or outer rubber circle 3, accessible external screw driver rotates the screw cap, thereby make things convenient for control threaded rod 13 rotatory, dismantle and install interior rubber circle 2 and outer rubber circle 3, the outside threaded connection of threaded rod 13 has interior thread piece 9, the both sides of interior thread piece 9 are provided with stay cord 10, the end department of two sets of stay cords 10 is connected with inserted bar 7, one side of inserted bar 7 is provided with the stopper, stay cord 10 and spring 12 are connected with the stopper, the range of activity that can restrict inserted bar 7 through the stopper, make inserted bar 7 only can slide along guide slot 11 inboard, when moving the inside stopper 11, compressible spring 12.

Working principle: when the device is used, the inner rubber ring 2 and the outer rubber ring 3 can be installed on the outer side of the connecting plate 1 for sealing use, after the inner rubber ring 2 and the outer rubber ring 3 are worn and damaged, the inner rubber ring 2 or the outer rubber ring 3 can be independently replaced, during replacement, the threaded rod 13 can be rotated by the screw cap to drive the inner threaded block 9 to move downwards along the outer side of the threaded rod 13, then the inserted rod 7 can be pulled by the connection of the pull rope 10 to enable the inserted rod 7 to move to one side against the elastic force of the spring 12, the connecting plate 1 and the inner rubber ring 2 are removed from being fixed, after the two sides are fixed, the damaged inner rubber ring 2 or the damaged outer rubber ring 3 can be removed and replaced, when the new inner rubber ring 2 and the new outer rubber ring 3 are installed, the positioning groove 4 and the positioning block 5 can be used for positioning the inner side or the outer side of the inner rubber ring 2 or the outer rubber ring 3 to be clamped into the inner side of the connecting plate 1, then the threaded rod 13 is reversely rotated to drive the inner threaded block 9 to reset, at the moment, the inserted rod 7 can be pushed to move to one side against the elastic restoring force of the spring 12, the inserted rod 7 is reset, the corresponding inserted rod 7 is inserted into the corresponding connecting plate 6, and the inner rubber ring 2 or the inner rubber ring 3 is quite convenient to operate.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. The utility model provides a double-deck combined type rubber seal, includes connecting plate (1), interior rubber circle (2) and outer rubber circle (3), its characterized in that: six groups of locating blocks (5) are arranged on the inner side and the outer side of the connecting plate (1), six groups of locating grooves (4) matched with the locating blocks (5) are formed in the outer side of the inner rubber ring (2) and the inner side of the outer rubber ring (3), two groups of locating blocks (5) are far away from one side of the connecting plate (1) and provided with guide grooves (11), inserting rods (7) are slidably inserted into the inner sides of the guide grooves (11), springs (12) are arranged on one side, close to the connecting plate (1), of the inserting rods (7), slots (6) matched with the inserting rods (7) are formed in one side, far away from the inner side of the connecting plate (1), of the locating grooves (4), adjusting grooves (8) are formed in the two groups of the inner sides of the connecting plate (1), threaded rods (13) are sleeved at the bottoms of the inner sides of the adjusting grooves (8), inner threaded blocks (9) are connected with inner threaded blocks (9) in threads, pull ropes (10) are arranged on the two sides of the inner threaded blocks, and the ends of the pull ropes (10) are connected with the inserting rods (7).

2. The double-layer composite rubber sealing ring according to claim 1, wherein: the middle parts of the two sides of the inner side of the adjusting groove (8) are provided with guide wheels matched with the pull ropes (10).

3. The double-layer composite rubber sealing ring according to claim 1, wherein: the middle part at the top of connecting plate (1) has seted up the recess, the top of threaded rod (13) extends to the inboard of recess and is provided with the screw cap.

4. The double-layer composite rubber sealing ring according to claim 1, wherein: one side of the inserted link (7) is provided with a limiting block, and the pull rope (10) and the spring (12) are connected with the limiting block.

5. The double-layer composite rubber sealing ring according to claim 1, wherein: the section of the positioning block (5) is trapezoid, and the positioning groove (4) is matched with the positioning block (5).

6. The double-layer composite rubber sealing ring according to claim 1, wherein: the two ends of the inner side of the adjusting groove (8) are provided with sliding grooves, the inner sides of the two groups of sliding grooves are connected with sliding blocks in a sliding manner, and one ends of the two groups of sliding blocks close to each other are connected with the internal thread block (9).