CN212616297U

CN212616297U - Polyurethane sealing ring

Info

Publication number: CN212616297U
Application number: CN202020837316.7U
Authority: CN
Inventors: 王晓彬; 王瑾
Original assignee: Puyang Hengxin Rubber And Plastic Co ltd
Current assignee: Puyang Hengxin Rubber And Plastic Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-02-26
Anticipated expiration: 2030-05-19

Abstract

The utility model belongs to the sealing washer field, especially, a polyurethane sealing washer is after using the certain time to current sealing washer, because it causes certain wearing and tearing for sealed effect variation leads to the problem of oil leak or gas leakage phenomenon, now proposes following scheme, and it includes the fixing base, the rotation hole has been seted up at the top of fixing base, and the rotation is connected with the pivot in the rotation hole, the fixed cover in the outside of pivot is equipped with the holding ring, the rotation groove has been seted up to the bottom of fixing base, and fixed mounting has the sealing ring on the top inner wall of rotation groove, and the top fixed mounting of holding ring has the sealing washer, and the sealing washer cooperatees with the sealing ring, sliding connection has the toper ejector pin that four symmetries set up on the inner wall of rotation groove. The utility model discloses simple structure, convenient to use can fix a position the countershaft, can increase the sealed effect of sealing washer and sealing ring simultaneously. Is beneficial to people to use.

Description

Polyurethane sealing ring

Technical Field

The utility model relates to a sealing washer technical field especially relates to a polyurethane sealing washer.

Background

The sealing ring is mainly used for connecting an oil hydraulic cylinder or rotating shafts of some motors, has good physical and mechanical properties, wear resistance and oil resistance, and is used under complicated working condition mechanical conditions to prevent external substances from entering the inside of the sealing ring to cause leakage, so that the sealing ring achieves good sealing performance.

After the existing sealing ring is used for a certain time, due to certain abrasion, the sealing effect is poor, and oil leakage or air leakage is caused, so that a polyurethane sealing ring is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current sealing washer after using the certain time, because it causes certain wearing and tearing for sealed effect variation leads to the shortcoming of oil leakage or gas leakage phenomenon, and the polyurethane sealing washer that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a polyurethane sealing ring, includes the fixing base, the rotation hole has been seted up at the top of fixing base, rotates downthehole rotation and is connected with the pivot, the fixed cover in the outside of pivot is equipped with the holding ring, the rotation groove has been seted up to the bottom of fixing base, and fixed mounting has the sealing ring on the top inner wall of rotation groove, and the top fixed mounting of holding ring has the sealing washer, and the sealing washer cooperatees with the sealing ring, sliding connection has the toper ejector pin that four symmetries set up on the inner wall of rotation groove, and four toper ejector pins cooperate with the holding ring, the outside rotation cover of fixing base is.

Preferably, set up the locating hole that four symmetries set up on the inner wall of rotation groove, locating hole and the toper ejector pin sliding connection that corresponds, the outside fixed mounting of fixing base has the fixed plate that four symmetries set up, rotates on the fixed plate and is connected with the gear, gear and the toper ejector pin threaded connection who corresponds, and pivoted gear can drive the toper ejector pin through the threaded connection with the toper ejector pin and remove, and then drives the extrusion and the support of toper ejector pin to the holding ring.

Preferably, annular positioning groove has been seted up to one side of fixed plate, and one side fixed mounting of gear has the locating piece that two symmetries set up, and two locating pieces all with the annular positioning groove sliding connection who corresponds, and all seted up the spacing groove on the both sides inner wall of annular positioning groove, and sliding connection has the stopper in the spacing groove, stopper and the locating piece fixed connection who corresponds, annular positioning groove and the sliding connection of two locating pieces can carry on spacingly to the gear for the rotation that the gear can be stable.

Preferably, the bottom fixed mounting of change has the rack, and the rack meshes with four gears mutually, and the ring channel has been seted up in the outside of fixing base, and sliding connection has the spacing ring in the ring channel, the inboard fixed connection of spacing ring and change, and pivoted change can drive the gear through the mutual meshing of rack in four gears and rotate.

Preferably, the sealing ring is the toper setting, and its inclined plane becomes seventy-five degrees angles with the bottom of sealing ring, and the inboard of sealing washer becomes the wedge setting, and the angle on its inclined plane is eighty degree angle with the bottom surface, and the inboard of sealing washer is provided with a plurality of sand grips, thereby sealing washer and sealing ring can form the laminating extrusion through the wedge face, and then increase sealed dynamics.

In the utility model, the sealing ring is arranged in a conical shape, and the inner side of the sealing ring is arranged in a wedge shape, so that the sealing ring and the sealing ring can form laminating extrusion through the wedge surface, and the sealing force is further increased;

because the sliding connection of toper ejector pin and locating hole, the gear and the threaded connection of the toper ejector pin that corresponds, and the intermeshing of gear and rack for the pivoted swivel can drive the toper ejector pin and remove, and then supports and fixes the holding ring through mutually supporting of toper ejector pin and holding ring.

The utility model discloses simple structure, convenient to use can fix a position the countershaft, can increase the sealed effect of sealing washer and sealing ring simultaneously, does benefit to people and uses.

Drawings

Fig. 1 is a schematic structural diagram of a polyurethane sealing ring according to the present invention;

fig. 2 is a schematic perspective view of a rotating shaft of a polyurethane sealing ring according to the present invention;

fig. 3 is a schematic structural diagram of a portion a of a polyurethane sealing ring according to the present invention.

In the figure: the device comprises a fixing seat 1, a rotating hole 2, a rotating shaft 3, a rotating groove 4, a sealing ring 5, a positioning ring 6, a sealing ring 7, a positioning hole 8, a conical ejector rod 9, a fixing plate 10, a gear 11, a rotating ring 12, a rack 13, an annular groove 14, a limiting ring 15, an annular positioning groove 16, a positioning block 17 and a convex strip 18.

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.

Example 1

Referring to fig. 1-3, a polyurethane sealing ring, including fixing base 1, rotation hole 2 has been seted up at the top of fixing base 1, the rotation is connected with pivot 3 in rotation hole 2, the outside fixed cover of pivot 3 is equipped with holding ring 6, rotation groove 4 has been seted up to the bottom of fixing base 1, fixed mounting has sealing ring 5 on the top inner wall of rotation groove 4, the top fixed mounting of holding ring 6 has sealing washer 7, sealing washer 7 cooperatees with sealing ring 5, sliding connection has the toper ejector pin 9 that four symmetries set up on the inner wall of rotation groove 4, four toper ejector pins 9 cooperate with holding ring 6, the outside rotation cover of fixing base 1 is equipped with swivel 12, swivel 12 cooperatees with four toper ejector pin 9.

The utility model discloses in, set up the locating hole 8 that four symmetries set up on the inner wall of rotation groove 4, locating hole 8 and the 9 sliding connection of toper ejector pin that correspond, the outside fixed mounting of fixing base 1 has the fixed plate 10 that four symmetries set up, rotates on the fixed plate 10 and is connected with gear 11, gear 11 and the 9 threaded connection of toper ejector pin that correspond.

The utility model discloses in, annular positioning groove 16 has been seted up to one side of fixed plate 10, and one side fixed mounting of gear 11 has the locating piece 17 that two symmetries set up, and two locating pieces 17 all with the 16 sliding connection of annular positioning groove that correspond, and all seted up the spacing groove on the both sides inner wall of annular positioning groove 16, sliding connection has the stopper in the spacing groove, stopper and the locating piece 17 fixed connection who corresponds.

The utility model discloses in, the bottom fixed mounting of change 12 has rack 13, and rack 13 meshes with four gears 11 mutually, and the ring channel 14 has been seted up in the outside of fixing base 1, and sliding connection has spacing ring 15 in the ring channel 14, spacing ring 15 and change 12's inboard fixed connection.

The utility model discloses in, sealing ring 5 is the toper setting, and its inclined plane becomes seventy-five degrees angles with the bottom of sealing ring 5, and the inboard of sealing washer 7 becomes the wedge setting, and the angle on its inclined plane is eighty degree angle with the bottom surface, and the inboard of sealing washer 7 is provided with a plurality of sand grips 18.

Example 2

Referring to fig. 1-3, a polyurethane sealing ring, including fixing base 1, rotation hole 2 has been seted up at the top of fixing base 1, the rotation is connected with pivot 3 in rotation hole 2, the outside fixed cover of pivot 3 is equipped with holding ring 6, rotation groove 4 has been seted up to the bottom of fixing base 1, the welding has sealing ring 5 on the top inner wall of rotation groove 4, the welding of holding ring 6's top has sealing washer 7, sealing washer 7 cooperatees with sealing ring 5, sliding connection has four toper ejector pins 9 that the symmetry set up on the inner wall of rotation groove 4, four toper ejector pins 9 cooperate with holding ring 6, the outside rotation cover of fixing base 1 is equipped with swivel 12, swivel 12 cooperatees with four toper ejector pins.

The utility model discloses in, set up the locating hole 8 that four symmetries set up on the inner wall of rotation groove 4, locating hole 8 and the 9 sliding connection of toper ejector pin that correspond, the outside welding of fixing base 1 has the fixed plate 10 that four symmetries set up, it is connected with gear 11 to rotate on the fixed plate 10, gear 11 and the 9 threaded connection of toper ejector pin that correspond, pivoted gear 11 can drive toper ejector pin 9 through the threaded connection with toper ejector pin 9 and remove, and then drive toper ejector pin 9 and to the extrusion and the support of holding ring 6.

The utility model discloses in, annular positioning groove 16 has been seted up to one side of fixed plate 10, one side welding of gear 11 has the locating piece 17 that two symmetries set up, two locating pieces 17 all with the 16 sliding connection of annular positioning groove that correspond, and all seted up the spacing groove on the both sides inner wall of annular positioning groove 16, sliding connection has the stopper in the spacing groove, stopper and the locating piece 17 fixed connection who corresponds, annular positioning groove 16 can carry out 11 spacingly to the gear with two sliding connection of locating piece 17 for the rotation that gear 11 can be stable.

The utility model discloses in, the bottom welding of change 12 has rack 13, and rack 13 meshes with four gears 11 mutually, and the ring channel 14 has been seted up in the outside of fixing base 1, and sliding connection has spacing ring 15 in the ring channel 14, the inboard fixed connection of spacing ring 15 and change 12, and pivoted change 12 can drive gear 11 through rack 13 in four gears 11's intermeshing and rotate.

The utility model discloses in, sealing ring 5 is the toper setting, and its inclined plane becomes seventy-five degrees angles with sealing ring 5's bottom, and the inboard of sealing washer 7 becomes the wedge setting, and the angle on its inclined plane is eighty degree angle with the bottom surface, and sealing washer 7's inboard is provided with a plurality of sand grips 18, thereby sealing washer 7 and sealing ring 5 can form the laminating extrusion through the wedge, and then increase sealed dynamics.

In the utility model, in operation, the rotating shaft 3 rotates in the rotating hole 2, in order to seal between the rotating shaft 3 and the rotating hole 2, the sealing ring 7 and the sealing ring 5 are mutually attached, the rotating ring 12 is rotated, the rotating ring 12 drives the rack 13 to rotate, the rack 13 drives the four gears 11 to rotate through the mutual engagement with the four gears 11, the rotating gear 11 is connected with the conical mandril 9 through the screw thread, the sliding connection between the positioning hole 8 and the conical mandril 9 drives the conical mandril 9 to move, the movable conical mandril 9 fixes the positioning ring 6 through the matching of the wedge surface and the positioning ring 6, and further positions the whole rotating shaft 3, thereby facilitating the stable rotation of the rotating shaft 3, when the sealing effect of the sealing ring 7 and the sealing ring 5 needs to be increased, when the rotating ring 12 rotates, the rotating ring 12 drives the conical mandril 9 to move to the inner side through the transmission connection, and then through extrusion holding ring 6 for holding ring 6 drives sealing washer 7 rebound, thereby increases the contact dynamics of sealing washer 7 with sealing ring 5, and then increases sealed effect, makes things convenient for people to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A polyurethane sealing ring comprises a fixed seat (1) and is characterized in that a rotating hole (2) is formed in the top of the fixed seat (1), a rotating shaft (3) is rotatably connected in the rotating hole (2), a positioning ring (6) is fixedly sleeved on the outer side of the rotating shaft (3), a rotating groove (4) is formed in the bottom of the fixing seat (1), a sealing ring (5) is fixedly installed on the inner wall of the top of the rotating groove (4), a sealing ring (7) is fixedly installed on the top of the positioning ring (6), the sealing ring (7) is matched with the sealing ring (5), the inner wall of the rotating groove (4) is connected with four symmetrically arranged conical mandrils (9) in a sliding way, the four conical mandrils (9) are matched with the positioning ring (6), the outer side of the fixed seat (1) is rotatably sleeved with a rotating ring (12), and the rotating ring (12) is matched with the four conical ejector rods (9).

2. The polyurethane sealing ring according to claim 1, wherein four symmetrically-arranged positioning holes (8) are formed in the inner wall of the rotating groove (4), the positioning holes (8) are slidably connected with the corresponding conical ejector rods (9), four symmetrically-arranged fixing plates (10) are fixedly mounted on the outer side of the fixing seat (1), a gear (11) is rotatably connected to the fixing plates (10), and the gear (11) is in threaded connection with the corresponding conical ejector rods (9).

3. The polyurethane sealing ring according to claim 2, wherein one side of the fixing plate (10) is provided with an annular positioning groove (16), one side of the gear (11) is fixedly provided with two symmetrically arranged positioning blocks (17), both the positioning blocks (17) are slidably connected with the corresponding annular positioning groove (16), and both inner walls of the annular positioning groove (16) are provided with limiting grooves, and limiting blocks are slidably connected in the limiting grooves and fixedly connected with the corresponding positioning blocks (17).

4. The polyurethane sealing ring according to claim 1, wherein a rack (13) is fixedly mounted at the bottom of the rotating ring (12), the rack (13) is engaged with the four gears (11), an annular groove (14) is formed in the outer side of the fixing seat (1), a limit ring (15) is slidably connected in the annular groove (14), and the limit ring (15) is fixedly connected with the inner side of the rotating ring (12).

5. A polyurethane sealing ring according to claim 1, characterized in that the sealing ring (5) is conical and its inclined surface is at seventy-five degrees to the bottom of the sealing ring (5), the inner side of the sealing ring (7) is wedge-shaped and its inclined surface is at eighty degrees to the bottom, and the inner side of the sealing ring (7) is provided with a plurality of ribs (18).