CN218582241U

CN218582241U - Rotary rubber sealing ring

Info

Publication number: CN218582241U
Application number: CN202223195395.4U
Authority: CN
Inventors: 张淼
Original assignee: Suzhou Dayuan Rubber And Plastic Technology Co ltd
Current assignee: Suzhou Dayuan Rubber And Plastic Technology Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-03-07
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to a sealing washer technical field specifically is a rotatory rubber seal, including rubber seal body, outer lip, interior lip and pivot, the rubber seal body cup joints and installs in the pivot, and interior lip and pivot laminating are filled in the inside of rubber seal body and are provided with the reinforcing ring, and one side fixed mounting of interior lip has the extension shell. The utility model discloses a be provided with the extension shell, clamp and fastening bolt, in order to improve the sealed effect between rubber seal body lip and pivot journal, with this body cover of rubber seal after in the pivot, extend the surface that the shell is located the pivot, use the clamp cover in the extension shell outside, the control clamp will extend after the shell is cramped, the inboard and the pivot of extending the shell are closely laminated, screw fastening bolt into the clamp again, thereby the fixing of rubber seal body has been realized, make the interior lip more stable with the pivot surface laminating, when the pivot is rotatory, under the fixed action of clamp, the interior lip still can not warp, thereby sealed effect has been improved.

Description

Rotary rubber sealing ring

Technical Field

The utility model relates to a sealing washer technical field specifically is a rotatory rubber seal.

Background

The authorized bulletin number is CN217029939U, and discloses a lip-shaped sealing ring with a self-rotating sealing ring, which records the lip-shaped sealing ring with the self-rotating sealing ring, and comprises a sealing ring body, wherein the sealing ring body is formed into a whole by an outer lip, an inner lip and a connecting bottom, a reinforcing ring which is matched with the outer lip and the inner lip is arranged between the outer lip and the inner lip, the reinforcing ring is formed into a whole by an outer ring block, an inner ring block and a matching bottom, a plurality of supporting structures are uniformly arranged on the circumference between the inner ring block and the outer ring block, each supporting structure comprises fixing blocks which are symmetrically arranged on the inner walls of the inner ring block and the outer ring block, a fixing pipe is arranged on the fixing block at one end, a connecting pipe is inserted at one end of the fixing pipe, and a spring is arranged inside the connecting pipe and the fixing pipe, the inside one end of spring is provided with the cover and establishes the pipe, the cover is established pipe one end and is inserted and be equipped with the connecting rod, setting through reinforcing ring and bearing structure, the reinforcing ring is installed on the sealing washer body through first sand grip and second sand grip, play the effect that supports the enhancement to outer lip and inner lip, bearing structure passes through the compression of spring and drives fixed pipe and connecting pipe and the relative movement of cover establishment pipe and connecting rod, the reaction force of spring has played the effect of support once more to the reinforcing ring, make this sealing washer be used when needing sealing washer self rotatory, can not make lip mouth diameter produce under the effect of centrifugal force warp and increase, be difficult for making the production clearance between lip mouth and axle journal.

Above-mentioned prior art is through setting up reinforcing ring and bearing structure, though realized the effect of reinforcing, bearing structure passes through the spring and acts on the reinforcing ring with the effort, makes the sealing washer obtain supporting, because the instability of spring, under the circumstances that produces centrifugal force when the pivot is rotatory, bearing structure will reduce greatly the effort of reinforcing ring to the sealed effect between lip and journal is still not good, consequently, needs design a rotatory rubber seal in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory rubber seal to solve prior art that proposes in the above-mentioned background art through setting up reinforcing ring and bearing structure, though realized the effect of enhancement, bearing structure makes the sealing washer obtain supporting through the spring with effort in the reinforcing ring, because the instability of spring, under the rotatory condition that produces centrifugal force of pivot, bearing structure will reduce greatly the effort of reinforcing ring, thereby the still not good problem of sealed effect between lip and journal.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary rubber seal ring comprising: rubber seal body, outer lip, interior lip and pivot, the rubber seal body cup joints and installs in the pivot, and interior lip and pivot laminating are filled in the inside of rubber seal body and are provided with the reinforcing ring, and one side fixed mounting of interior lip has the extension shell, and the surface of extending the shell cup joints and installs the clamp, and fastening bolt is installed to one side screw thread of clamp, and fastening bolt's surface screw thread installs the nut.

Preferably, the extension ring is fixedly mounted on the inner side of the reinforcing ring and made of rubber, the inner side of the extension ring is attached to the rotating shaft, and a bending portion is formed at the attachment position of the extension ring and the rotating shaft.

Preferably, the inner side of the reinforcing ring is fixedly provided with the abutting ring.

Preferably, the inboard of clamp is provided with stop gear, and stop gear includes the spacing groove, and the outside at the extension shell is evenly seted up in the spacing groove, and the inboard even fixed mounting of clamp has the stopper.

Preferably, the outer surface of the fastening bolt is sleeved with a rubber ring, and the outer surface of the rubber ring is uniformly provided with anti-skid grains.

Preferably, the end of the nut is fixedly connected with a control rod, and the end of the control rod is fixedly provided with an extension rod.

Preferably, the outer surface of the limiting block is fixedly provided with an anti-slip shell, and anti-slip lines are uniformly arranged on the outer surface of the anti-slip shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with the extension shell, clamp and fastening bolt, in order to improve the sealed effect between rubber seal body lip and pivot journal, after in the pivot with rubber seal body cover, extend the surface that the shell is located the pivot, use the clamp cover in extending the shell outside, the control clamp will extend after the shell is cramped, the inboard and the pivot of extending the shell are closely laminated, screw fastening bolt into the clamp again, thereby the fixing of rubber seal body has been realized, make the more stable and the pivot surface laminating of inner lip, when the pivot is rotatory, under the fixed action of clamp, the inner lip still can not warp, thereby sealed effect has been improved.

2. Through being provided with the tight circle of support, in order to improve the sealed effect of rubber seal body, with rubber seal body cover after in the pivot, fill in the rubber seal body with the reinforcing ring again inside, support tight circle tightly to the inner lip, make inner lip and pivot closely laminate, thereby improved the sealed effect of rubber seal body, through being provided with the extension circle, the kink that extends circle and pivot laminating department formation tightly supports the outside at the pivot, thereby further improved the sealed effect of rubber seal body.

Drawings

FIG. 1 is a schematic side view, partially in section, of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic view of the back view of the structure of the present invention;

fig. 4 is a schematic partial side view and sectional view of the rubber seal body and the rotating shaft structure of the present invention;

fig. 5 is a partially enlarged schematic view of the structure at a in fig. 3 according to the present invention;

fig. 6 is a schematic enlarged view of a part of the structure at B in fig. 3 according to the present invention.

In the figure: 110. a rubber seal ring body; 111. an outer lip; 112. an inner lip; 113. a reinforcement ring; 114. a rotating shaft; 115. an extension case; 116. clamping a hoop; 117. fastening a bolt; 118. a nut; 119. a rubber ring; 120. a control lever; 121. an extension rod; 122. a tightening ring; 123. an extension ring; 200. a limiting mechanism; 210. a limiting groove; 211. a limiting block; 212. and (4) an anti-slip shell.

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.

Example one

Referring to fig. 1-5, the present invention provides an embodiment: a rotary rubber seal ring comprising: the rubber seal ring comprises a rubber seal ring body 110, an outer lip 111, an inner lip 112 and a rotating shaft 114, wherein the rubber seal ring body 110 is sleeved on the rotating shaft 114, the inner lip 112 is attached to the rotating shaft 114, a reinforcing ring 113 is inserted into the rubber seal ring body 110, an extension shell 115 is fixedly installed on one side of the inner lip 112, a hoop 116 is sleeved on the outer surface of the extension shell 115, a fastening bolt 117 is installed on one side of the hoop 116 in a threaded manner, a nut 118 is installed on the outer surface of the fastening bolt 117 in a threaded manner, in order to improve the sealing effect between the lip of the rubber seal ring body 110 and the shaft neck of the rotating shaft 114, the rubber seal ring body 110 is sleeved on the rotating shaft 114, the extension shell 115 is located on the outer surface of the rotating shaft 114, the hoop 116 is sleeved on the outer side of the extension shell 115, after the extension shell 115 is tightened by the control hoop 116, the inner side of the extension shell 115 is tightly attached to the rotating shaft 114, the fastening bolt 117 is screwed into the hoop 116, so that the rubber seal ring body 110 is fixed, the inner lip 112 is more stably attached to the rotating shaft 114, and when the rotating shaft 114 rotates, the rotating shaft 116 is fixed, the inner lip 112 cannot be deformed, and the sealing effect is improved.

Further, the inner side of the reinforcing ring 113 is fixedly provided with a supporting ring 122, in order to improve the sealing effect of the rubber sealing ring body 110, after the rubber sealing ring body 110 is sleeved on the rotating shaft 114, the reinforcing ring 113 is plugged into the rubber sealing ring body 110, and the supporting ring 122 tightly supports the inner lip 112, so that the inner lip 112 is tightly attached to the rotating shaft 114, and the sealing effect of the rubber sealing ring body 110 is improved.

Furthermore, the outer surface of the fastening bolt 117 is sleeved with a rubber ring 119, the outer surface of the rubber ring 119 is uniformly provided with anti-slip threads, in order to enable the fastening bolt 117 to fix and stabilize the clamp 116, the rubber ring 119 is firstly sleeved on the fastening bolt 117, then the nut 118 is screwed on the fastening bolt 117, and the nut 118 extrudes the rubber ring 119, so that the fastening bolt 117 is better fixed.

Furthermore, the end portion of the nut 118 is fixedly connected with a control rod 120, the end portion of the control rod 120 is fixedly provided with an extension rod 121, when the nut 118 is screwed, a worker can control the nut 118 to rotate through the control rod 120 and the extension rod 121, so that a rotating force is conveniently applied to the nut 118, and the operation is facilitated.

Example two

The utility model provides a rotatory rubber seal, compare in embodiment one, please refer to fig. 1-4, the inboard fixed mounting of reinforcing ring 113 has the extension circle 123, it is the rubber material to extend circle 123, the inboard and the pivot 114 laminating of extension circle 123, it forms the portion of bending with pivot 114 laminating department to extend circle 123, reinforcing ring 113 fills in behind rubber seal body 110 is inside, extend the kink that circle 123 and pivot 114 laminating department formed and tightly support in the outside of pivot 114, thereby the sealed effect of rubber seal body 110 has further been improved.

EXAMPLE III

The utility model provides a rotatory rubber seal, compare in embodiment one, please refer to fig. 6, the inboard of clamp 116 is provided with stop gear 200, stop gear 200 includes spacing groove 210, spacing groove 210 evenly sets up in the outside of extending shell 115, the even fixed mounting in inboard of clamp 116 has stopper 211, in order to improve the fixed effect of clamp 116, the stopper 211 of setting supports tightly inside spacing groove 210, thereby make to extend shell 115 and pivot 114 and closely laminate, make clamp 116 will extend shell 115 fixed more stable.

Further, the outer fixed surface of the limiting block 211 is provided with an anti-slip shell 212, the outer surface of the anti-slip shell 212 is provided with anti-slip patterns, the anti-slip shell 212 is provided with the anti-slip patterns, when the limiting block 211 is located inside the limiting groove 210, the friction force between the limiting block 211 and the inner wall of the limiting groove 210 is increased, and therefore the fixing effect of the clamp 116 is better.

The working principle is as follows: in order to improve the sealing effect between the lip of the rubber seal body 110 and the shaft neck of the rotating shaft 114, after the rubber seal body 110 is sleeved on the rotating shaft 114, the extension shell 115 is positioned on the outer surface of the rotating shaft 114, the clamp 116 is sleeved on the outer side of the extension shell 115, after the extension shell 115 is tightened by the control clamp 116, the inner side of the extension shell 115 is tightly attached to the rotating shaft 114, and the fastening bolt 117 is screwed into the clamp 116, so that the rubber seal body 110 is fixed, the inner lip 112 is more stably attached to the surface of the rotating shaft 114, when the rotating shaft 114 rotates, the inner lip 112 cannot deform under the fixing action of the clamp 116, and the sealing effect is improved.

In order to improve the sealing effect of the rubber sealing ring body 110, after the rubber sealing ring body 110 is sleeved on the rotating shaft 114, the reinforcing ring 113 is plugged into the rubber sealing ring body 110, the abutting ring 122 tightly abuts against the inner lip 112, so that the inner lip 112 is tightly attached to the rotating shaft 114, the sealing effect of the rubber sealing ring body 110 is improved, after the reinforcing ring 113 is plugged into the rubber sealing ring body 110, the bending part formed at the joint of the extending ring 123 and the rotating shaft 114 tightly abuts against the outer side of the rotating shaft 114, and the sealing effect of the rubber sealing ring body 110 is further improved.

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.

Claims

1. A rotary rubber seal ring, comprising: rubber seal body (110), outer lip (111), interior lip (112) and pivot (114), rubber seal body (110) cup joints and installs on pivot (114), interior lip (112) and pivot (114) laminating, the inside of rubber seal body (110) is filled in and is provided with reinforcing ring (113), one side fixed mounting of interior lip (112) has extension shell (115), the surface of extending shell (115) cup joints and installs clamp (116), fastening bolt (117) are installed to one side screw thread of clamp (116), nut (118) are installed to the surface screw thread of fastening bolt (117).

2. A rotary rubber sealing ring according to claim 1, characterized in that: an extension ring (123) is fixedly mounted on the inner side of the reinforcing ring (113), the extension ring (123) is made of rubber, the inner side of the extension ring (123) is attached to the rotating shaft (114), and a bending part is formed at the attachment position of the extension ring (123) and the rotating shaft (114).

3. A rotary rubber sealing ring according to claim 1, characterized in that: the inner side of the reinforcing ring (113) is fixedly provided with a propping ring (122).

4. A rotary rubber sealing ring according to claim 1, characterized in that: the inboard of clamp (116) is provided with stop gear (200), and stop gear (200) are including spacing groove (210), and the outside in extending shell (115) is evenly seted up in spacing groove (210), and the inboard of clamp (116) is evenly fixed mounting has stopper (211).

5. A rotary rubber sealing ring according to claim 1, characterized in that: the outer surface of the fastening bolt (117) is sleeved with a rubber ring (119), and the outer surface of the rubber ring (119) is uniformly provided with anti-skid grains.

6. A rotary rubber seal ring according to claim 1, wherein: the end part of the nut (118) is fixedly connected with a control rod (120), and the end part of the control rod (120) is fixedly provided with an extension rod (121).

7. A rotary rubber sealing ring according to claim 4, characterized in that: the outer surface of the limiting block (211) is fixedly provided with an anti-slip shell (212), and anti-slip lines are uniformly arranged on the outer surface of the anti-slip shell (212).