CN213145071U

CN213145071U - Gasket with adjustable aperture

Info

Publication number: CN213145071U
Application number: CN202021987247.4U
Authority: CN
Inventors: 黄维维; 陆风帆
Original assignee: Zhejiang Nanketai Metal Product Co ltd
Current assignee: Zhejiang Nanketai Metal Product Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-07
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a packing ring in adjustable aperture, including main part mechanism, actuating mechanism, adjustment mechanism, fixed establishment, rubber pad, second packing ring, dead lever, pressure spring and lug. The utility model has the advantages that: the fixed rod slides in the adjusting mechanism and is fixed at the bottom end of the second gasket, the rubber pad is bonded on the side wall of the second gasket, the side wall of the fixed rod is abutted against one end of the lug, the lug slides on the inner wall of the adjusting mechanism, the other end of the lug is connected with the pressure spring, the pressure spring is fixedly arranged on the inner wall of the adjusting mechanism, and the driving mechanism and the adjusting mechanism are rotated to enable the gaskets to be suitable for connecting pieces with different sizes; the connecting piece rotates, and the second packing ring receives the extrusion force and drives the dead lever slip, and then makes the lateral wall extrusion of dead lever slide in the inside lug of adjustment mechanism, and then makes the inside pressure spring of lug extrusion adjustment mechanism to also prevented to rotate the condition that the connecting piece leads to the displacement of second packing ring when spacing to the dead lever, also improved the stability of installation packing ring to a certain extent.

Description

Gasket with adjustable aperture

Technical Field

The utility model relates to a packing ring specifically is a packing ring in adjustable aperture belongs to packing ring technical field.

Background

Washers, refer to the parts that are cushioned between the connected member and the nut. The metal ring, which is generally flat, protects the surface of the connected component from scratching by the nut and distributes the pressure of the nut against the connected component. The rubber gasket is made of the most common NBR nitrile rubber, and the cost performance is highest. While the use of FFKM perfluororubber gaskets is generally in more sophisticated applications, such as the space rocket field. Because of its rather expensive price, it is excellent in performance, which can exceed many metallic materials.

However, an operator generally selects an appropriate gasket according to the size of the connecting piece, and then the operator needs to prepare materials with different sizes when using the gasket, which is not beneficial to improving the use efficiency of the gasket to a certain extent; in addition, if the combined gasket is installed, the position between the gaskets may be easily deviated and have no stability in use, and it is also not advantageous to improve the use effect of the gasket.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a packing ring in adjustable aperture just for solving above-mentioned problem, the flexible operation, the installation of being convenient for through the top block second packing ring at the fixture block, has prevented the skew of position between the packing ring to a certain extent, has also improved the stability of packing ring installation simultaneously.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a packing ring in adjustable aperture, including main part mechanism, main part mechanism's internally mounted has actuating mechanism, main part mechanism's inside slides and has adjustment mechanism, adjustment mechanism's inner wall slides and has fixed establishment, fixed establishment includes rubber pad, second packing ring, dead lever, pressure spring and lug, the dead lever with sliding connection, two between the adjustment mechanism dead lever symmetry fixed connection in the bottom of second packing ring, the rubber pad bond in the lateral wall of second packing ring, the lateral wall of dead lever with the one end of lug is contradicted, lug sliding connection in adjustment mechanism's inner wall and the other end with pressure spring fixed connection, pressure spring fixed mounting in adjustment mechanism's inner wall.

Preferably, in order to facilitate oil lubrication of the first screw and the second screw, the main body mechanism includes a first gasket, two oil holes, and a first sliding groove, the two oil holes are respectively disposed at the top end of the first gasket, and the first sliding groove is disposed inside the first gasket.

Preferably, in order to facilitate the clamping plate to slide and clamp the connecting piece, the driving mechanism comprises a first screw rod, a first sliding rod and sliding blocks, one end of the first screw rod penetrates through the side wall of the first gasket and is rotatably connected to the inner wall of the first gasket, the first sliding rod is fixedly installed on the inner wall of the first gasket, which is far away from the first screw rod, the two sliding blocks are in threaded connection with the side wall of the first screw rod and slide in the first sliding groove part arranged inside the first gasket, and the other two sliding blocks are in sliding connection with the side wall of the first sliding rod and slide in the first sliding groove part arranged inside the first gasket.

Preferably, in order to increase the contact area between the clamping plates and the connecting piece, the driving mechanism further comprises a fiber sponge and the clamping plates, the sliding blocks are fixedly connected to the side walls of the clamping plates, the two clamping plates symmetrically slide in the first gaskets, and the fiber sponge is bonded to the side walls of the clamping plates.

Preferably, in order to facilitate the sliding of the fixing rod into the clamping groove, the adjusting mechanism comprises clamping blocks and clamping grooves, the two clamping blocks slide symmetrically on the top end of the first gasket, the clamping grooves are arranged in the two clamping blocks and are of a hexagonal structure, and the fixing rod is slidably connected to the clamping groove parts arranged in the clamping blocks.

Preferably, in order to facilitate the connecting block to drive the clamping block to slide, the adjusting mechanism further comprises a second screw and a connecting block, one end of the second screw penetrates through the side wall of the first gasket and rotates on the inner wall of the first gasket, and the plurality of connecting blocks are symmetrically arranged at the bottom end of the clamping block in a pairwise and group mode and are in threaded connection with the side wall of the second screw.

Preferably, in order to facilitate the sliding of the clamping block, the adjusting mechanism further comprises a second sliding groove and a second sliding rod, and the other group of the connecting blocks is slidably connected to the side wall of the second sliding rod and is slidably connected to the second sliding groove portion arranged inside the first gasket.

The utility model has the advantages that: the fixed rods slide in the adjusting mechanism, the two fixed rods are symmetrically fixed at the bottom end of the second gasket, the rubber pad is bonded on the side wall of the second gasket, the side wall of the fixed rod is abutted against one end of the lug, the lug slides on the inner wall of the adjusting mechanism, the other end of the lug is connected with the pressure spring, the pressure spring is fixedly arranged on the inner wall of the adjusting mechanism, and the driving mechanism and the adjusting mechanism are rotated, so that the gaskets can be suitable for connecting pieces with different; the connecting piece rotates, and the second packing ring receives the extrusion force and drives the dead lever to slide toward adjustment mechanism's inside, and then makes the lateral wall of dead lever extrude sliding in the inside lug of adjustment mechanism, and then extrudeing the pressure spring of installing in adjustment mechanism inside when making the lug slide to also prevented to rotate the condition that the connecting piece leads to the displacement of second packing ring when carrying out spacingly to the dead lever, also improved the stability of installation packing ring to a certain extent.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the main body mechanism and the driving mechanism shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the main body mechanism and the adjustment mechanism shown in FIG. 1;

FIG. 4 is a schematic view of the connection structure of the adjustment mechanism and the fixing mechanism shown in FIG. 1;

FIG. 5 is an enlarged view of the part A shown in FIG. 1;

fig. 6 is an enlarged view of the structure of the portion B shown in fig. 4.

In the figure: 1. the main part mechanism, 11, first packing ring, 12, oil filler point, 13, first spout, 2, actuating mechanism, 21, first screw rod, 22, fibre sponge, 23, cardboard, 24, first slide bar, 25, slider, 3, adjustment mechanism, 31, second spout, 32, second screw rod, 33, fixture block, 34, draw-in groove, 35, connecting block, 36, second slide bar, 4, fixed establishment, 41, rubber pad, 42, second packing ring, 43, dead lever, 44, pressure spring, 45, lug.

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. 1-6, an aperture adjustable gasket includes a main body 1, a driving mechanism 2 is arranged inside the main body mechanism 1, an adjusting mechanism 3 is arranged inside the main body mechanism 1 in a sliding way, the inner wall of the adjusting mechanism 3 is provided with a fixing mechanism 4 in a sliding manner, the fixing mechanism 4 comprises a rubber pad 41, a second gasket 42, a fixing rod 43, a pressure spring 44 and a convex block 45, the fixing rods 43 are slidably connected with the adjusting mechanism 3, the two fixing rods 43 are symmetrically and fixedly connected with the bottom end of the second washer 42, the rubber pad 41 is adhered to the side wall of the second washer 42, the side wall of the fixing rod 43 is abutted against one end of the projection 45, the bump 45 is slidably connected to the inner wall of the adjusting mechanism 3, the other end of the bump is fixedly connected with the pressure spring 44, and the pressure spring 44 is fixedly installed on the inner wall of the adjusting mechanism 3.

As a technical optimization scheme of the utility model, main part mechanism 1 includes first packing ring 11, oil filler point 12 and first spout 13, the top of first packing ring 11 is equipped with two respectively oil filler point 12, the inside of first packing ring 11 is equipped with first spout 13.

As a technical optimization scheme of the utility model, actuating mechanism 2 includes first screw rod 21, first slide bar 24 and slider 25, the one end of first screw rod 21 is run through the lateral wall of first packing ring 11 and rotate connect in the inner wall of first packing ring 11, first slide bar 24 fixed mounting in first packing ring 11 deviates from the inner wall of first screw rod 21, two slider 25 threaded connection in the lateral wall of first screw rod 21 and slide in first packing ring 11 is inside to be equipped with first spout 13 position, two in addition slider 25 sliding connection in the lateral wall of first slide bar 24 and slide in first packing ring 11 is inside to be equipped with first spout 13 position.

As a technical optimization scheme of the utility model, actuating mechanism 2 still includes fibre sponge 22 and cardboard 23, slider 25 fixed connection in the lateral wall of cardboard 23, two cardboard 23 symmetry slide in the inside of first packing ring 11, just the lateral wall of cardboard 23 bonds and has fibre sponge 22.

As a technical optimization scheme of the utility model, adjustment mechanism 3 includes fixture block 33 and draw-in groove 34, two the fixture block 33 symmetry slide in the top of first packing ring 11, and two the inside of fixture block 33 all is equipped with draw-in groove 34, draw-in groove 34 is the hexagon structure, dead lever 43 sliding connection in fixture block 33 is inside to be equipped with draw-in groove 34 position.

As a technical optimization scheme of the utility model, adjustment mechanism 3 still includes second screw rod 32 and connecting block 35, the one end of second screw rod 32 is run through the lateral wall of first packing ring 11 and rotate in the inner wall of first packing ring 11, a plurality of two liang of a set of symmetry of connecting block 35 install in the bottom of fixture block 33 and a set of connecting block 35 threaded connection in the lateral wall of second screw rod 32.

As a technical optimization scheme of the present invention, the adjusting mechanism 3 further includes a second sliding groove 31 and a second sliding rod 36, and another group the connecting block 35 is slidably connected to the side wall of the second sliding rod 36, and the connecting block 35 is slidably connected to the inside of the first gasket 11 that is provided with the second sliding groove 31.

When the utility model is used, firstly, before the operation personnel uses, firstly, the first gasket 11 is placed on the top end of the nut, then the connecting piece is passed through the second gasket 42 and the first gasket 11, then the tool is used to rotate the first screw 21, one end of the first screw 21 penetrates through the side wall of the first gasket 11 and rotates inside the first gasket 11, a plurality of sliders 25 are symmetrically arranged on the side wall of the clamping plate 23 in a pairwise and a group and slide on the first chute 13 part arranged inside the first gasket 11, one group of sliders 25 are in threaded connection with the side wall of the first screw 21 and the other group of sliders 25 are in sliding connection with the side wall of the first sliding rod 24, the clamping plate 23 slides inside the first gasket 11 and the side wall is bonded with the fiber sponge 22, when the first screw 21 rotates, because the rotating directions of the threads at the two ends of the first screw 21 are opposite, the sliders 25 drive the clamping plate 23 to slide along the side walls of the first screw 21 and the first sliding rod, the two clamping plates 23 are further made to extrude the side walls of the connecting pieces when sliding, so that operators can conveniently fix the connecting pieces preliminarily, meanwhile, the gaskets can be suitable for connecting pieces of different sizes through adjustment, and the use efficiency of the device is improved to a certain extent; then an operator rotates the second screw rod 32 by using a tool, one end of the second screw rod 32 penetrates through the side wall of the first washer 11 and rotates inside the first washer 11, one group of connecting blocks 35 installed at the bottom end of the clamping block 33 are connected to the side wall of the second screw rod 32 in a threaded manner, and the other group of connecting blocks are connected to the side wall of the second slide bar 36 in a sliding manner; after the fixture block 33 is fixed, an operator inserts the fixing rod 43 at the top end of the second gasket 42 into the clamping groove 34 arranged inside the fixture block 33, the fixing rod 43 extrudes the bump 45 sliding on the inner wall of the fixture block 33 when sliding, so that the bump 45 can slide to extrude the pressure spring 44 arranged inside the fixture block 33, and further, when the operator uses a tool to rotate the connecting piece, the second gasket 42 is extruded to the fixing rod 43 under the action of the connecting piece, thereby limiting the second gasket 42, preventing the second gasket 42 from moving due to the rotation of the connecting piece, and improving the using effect of the device to a certain extent.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a packing ring of adjustable aperture, includes main part mechanism (1), its characterized in that: the inner mounting of the main body mechanism (1) is provided with a driving mechanism (2), the inner sliding of the main body mechanism (1) is provided with an adjusting mechanism (3), the inner wall of the adjusting mechanism (3) slides to be provided with a fixing mechanism (4), the fixing mechanism (4) comprises a rubber pad (41), a second gasket (42), a fixing rod (43), a pressure spring (44) and a lug (45), the fixing rod (43) is in sliding connection with the adjusting mechanism (3), the fixing rod (43) is symmetrically and fixedly connected with the bottom end of the second gasket (42), the rubber pad (41) is bonded on the side wall of the second gasket (42), the side wall of the fixing rod (43) is abutted against one end of the lug (45), the lug (45) is in sliding connection with the inner wall of the adjusting mechanism (3) and the other end of the adjusting mechanism is fixedly connected with the pressure spring (44), the pressure spring (44) is fixedly arranged on the inner wall of the adjusting mechanism (3).

2. The gasket of claim 1, wherein: the main body mechanism (1) comprises a first gasket (11), oil holes (12) and a first sliding groove (13), wherein the two oil holes (12) are respectively arranged at the top end of the first gasket (11), and the first sliding groove (13) is arranged in the first gasket (11).

3. The gasket of claim 2, wherein: actuating mechanism (2) include first screw rod (21), first slide bar (24) and slider (25), the one end of first screw rod (21) is run through the lateral wall of first packing ring (11) and rotate connect in the inner wall of first packing ring (11), first slide bar (24) fixed mounting in first packing ring (11) deviates from the inner wall of first screw rod (21), two slider (25) threaded connection in the lateral wall of first screw rod (21) and slide in first packing ring (11) inside be equipped with first spout (13) position, two in addition slider (25) sliding connection in the lateral wall of first slide bar (24) and slide in first packing ring (11) inside be equipped with first spout (13) position.

4. The gasket of claim 3 wherein the adjustable aperture is: the driving mechanism (2) further comprises fiber sponges (22) and clamping plates (23), the sliding blocks (25) are fixedly connected to the side walls of the clamping plates (23), the two clamping plates (23) slide symmetrically inside the first gaskets (11), and the fiber sponges (22) are bonded to the side walls of the clamping plates (23).

5. The gasket of claim 2, wherein: adjustment mechanism (3) include fixture block (33) and draw-in groove (34), two fixture block (33) symmetry slide in the top of first packing ring (11), and two the inside of fixture block (33) all is equipped with draw-in groove (34), draw-in groove (34) are the hexagon structure, dead lever (43) sliding connection in fixture block (33) inside is equipped with draw-in groove (34) position.

6. The gasket of claim 5 wherein said adjustable aperture is: adjustment mechanism (3) still include second screw rod (32) and connecting block (35), the one end of second screw rod (32) is run through the lateral wall of first packing ring (11) and is rotated in the inner wall of first packing ring (11), a plurality of two double-phase a set of symmetry of connecting block (35) install in the bottom of fixture block (33) and a set of connecting block (35) threaded connection in the lateral wall of second screw rod (32).

7. The gasket of claim 6, wherein: the adjusting mechanism (3) further comprises a second sliding groove (31) and a second sliding rod (36), the other group of connecting blocks (35) are connected to the side wall of the second sliding rod (36) in a sliding mode, and the connecting blocks (35) are connected to the position, inside the first gasket (11), of the second sliding groove (31) in a sliding mode.