CN216715220U

CN216715220U - Flexible graphite sealing ring with corner protection

Info

Publication number: CN216715220U
Application number: CN202122529601.XU
Authority: CN
Inventors: 李锋
Original assignee: Nantong Sanjie Graphite Products Co ltd
Current assignee: Nantong Sanjie Graphite Products Co ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-06-10
Anticipated expiration: 2031-10-20

Abstract

The utility model belongs to the technical field of flexible graphite sealing rings, and discloses a flexible graphite sealing ring with corner protection. This flexible graphite sealing ring with corner protection, including the graphite sealing ring, the left side fixedly connected with external corner protective housing of graphite sealing ring, the right side fixedly connected with internal corner protective housing of graphite sealing ring, the one end of the inboard fixedly connected with spring of external corner protective housing, the other end fixedly connected with push pedal of spring, the lower fixed surface of push pedal is connected with the blotter. This flexible graphite sealing ring with corner protection utilizes the cooperation of spring, push pedal and the cushion that sets up to use can be better unload impact force and extruded power, corresponds the laminating more of arc that graphite sealing ring corner set up simultaneously, avoids producing the secondary impact to graphite sealing ring because of the space.

Description

Flexible graphite sealing ring with corner protection

Technical Field

The utility model relates to the technical field of flexible graphite sealing rings, in particular to a flexible graphite sealing ring with corner protection.

Background

The sealing ring is an annular sealing element with a notch, and is tightly propped against the inner hole wall of the static element by the elasticity of the pressed sealing ring to play a sealing role. The sealing ring is an annular sealing element with a notch, the sealing ring is placed in an annular groove of the sleeve, the sleeve and the shaft rotate together, and the sealing ring is tightly abutted against the inner hole wall of the static element by the elasticity of the pressed notch, so that the sealing effect can be achieved. Each contact surface is hardened and polished. The sealing ring is made of chromium-containing wear-resistant cast iron and can be used at the sliding speed of less than 100 m/s; if the sliding speed is in the range of 60 to 80m/s, the seal ring can be made of tin bronze.

The existing graphite sealing ring is extruded or impacted for a long time when in use, the corners of the sealing ring are easy to collapse, the service life of the graphite sealing ring is seriously shortened, and meanwhile, certain economic loss is brought to customers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a flexible graphite sealing ring with corner protection, which effectively solves the problems that the corners of the sealing ring are easy to break due to long-term extrusion or impact when the conventional graphite sealing ring is used, the service life of the graphite sealing ring is seriously shortened, and certain economic loss is brought to customers.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a flexible graphite sealing ring with corner protection, includes the graphite sealing ring, the left side fixedly connected with external corner protective housing of graphite sealing ring, the right side fixedly connected with internal corner protective housing of graphite sealing ring, the one end of the inboard fixedly connected with spring of external corner protective housing, the other end fixedly connected with push pedal of spring, the lower fixed surface of push pedal is connected with the blotter, left wall fixedly connected with gasbag one in the external corner protective housing, just gasbag movable mounting is in the below of push pedal, the interior roof fixedly connected with gasbag two of external corner protective housing, just two movable mounting of gasbag are on the right side of push pedal.

Through the technical scheme, when the graphite sealing strip is impacted, the damage to the graphite sealing strip caused by impact or extrusion is reduced to the maximum extent after the internal spring, the air bag I, the air bag II, the push plate and the air bag are matched for use

Preferably, the graphite sealing ring is provided with a clamping groove corresponding to the outer corner protective shell and the inner corner protective shell, and the outer corner protective shell and the inner corner protective shell are installed in the corresponding clamping grooves.

Through above-mentioned technical scheme, this application is outer corner protective housing and internal corner protective housing when using preferentially to receive impact or extrusion, carries out effectual protection to the graphite sealing ring of inboard, prevents that the graphite sealing ring from receiving to heavily extrude and damaging.

Preferably, push pedal and blotter set up to the arc form, and the inner arc is close to graphite sealing ring, and graphite sealing ring's corner corresponds the blotter and sets up to the arc, and graphite sealing ring's corner laminating blotter.

Through above-mentioned technical scheme, this application when using, the arc form that push pedal and cushion set up can be better laminates mutually with graphite seal ring's arc corner, more enough better unloads the impact force simultaneously.

Preferably, the graphite sealing ring is provided with adaptive grooves corresponding to the first air bag and the second air bag, and the first air bag and the second air bag are arranged in the corresponding grooves.

Through above-mentioned technical scheme, this application when using, the recess that the graphite sealing ring set up can receive when assaulting with gasbag one and the better laminating of gasbag two, prevent that inside has the space and causes the secondary to assault the graphite sealing ring.

Preferably, the number of the outer corner protection shells and the number of the inner corner protection shells are two, the outer corner protection shells are respectively installed on the upper surface and the lower surface of the left side of the graphite sealing ring, and the inner corner protection shells are respectively installed on the upper surface and the lower surface of the right side of the graphite sealing ring.

Through above-mentioned technical scheme, four corner settings that outer corner protective housing and inner corner protective housing correspond graphite sealing ring when using of this application, protection graphite sealing ring that can be better, fall its impact force to minimumly.

Preferably, the number of the springs, the push plate, the cushion, the first airbag and the second airbag is four, and the single number of the structures is set as a group, and four groups are respectively installed at the inner sides of the corresponding outer corner protection shell and the inner corner protection shell.

Through above-mentioned technical scheme, the setting of four group's buffer structure when using of this application can let graphite seal ring more stable avoid producing the skew in the inside of outer corner protective housing and internal corner protective housing when using.

By adopting the technical scheme, the utility model has the beneficial effects that:

1. the flexible graphite sealing ring with corner protection can resist the unloading force preferentially to the coming impact force by utilizing the matching use of the outer corner protection ring, the inner corner protection ring, the air bag I and the air bag II, and the corner of the graphite sealing ring is prevented from being broken.

2. This flexible graphite sealing ring with corner protection utilizes the cooperation of spring, push pedal and the cushion that sets up to use can be better unload impact force and extruded power, corresponds the laminating more of arc that graphite sealing ring corner set up simultaneously, avoids producing the secondary impact to graphite sealing ring because of the space.

Drawings

FIG. 1 is a perspective view of the present invention;

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

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken at A-A of FIG. 3 in accordance with the present invention;

fig. 5 is an enlarged view of the utility model at a in fig. 4.

In the figure: the device comprises a graphite sealing ring 1, an outer corner protection shell 2, an inner corner protection shell 3, a spring 4, a push plate 5, a cushion pad 6, a first air bag 7 and a second air bag 8.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: a flexible graphite sealing ring with corner protection comprises a graphite sealing ring 1, wherein an outer corner protection shell 2 is fixedly connected to the left side of the graphite sealing ring 1, an inner corner protection shell 3 is fixedly connected to the right side of the graphite sealing ring 1, the outer corner protection shell 2, the inner corner protection shell 3, a first air bag 7 and a second air bag 8 are matched for use to preferentially resist the coming impact force and prevent the corners of the graphite sealing ring 1 from collapsing, one end of a spring 4 is fixedly connected to the inner side of the outer corner protection shell 2, the other end of the spring 4 is fixedly connected with a push plate 5, a buffer cushion 6 is fixedly connected to the lower surface of the push plate 5, the impact force and the extrusion force can be better removed by the matching use of the arranged spring 4, the push plate 5 and the buffer cushion 6, meanwhile, the arc-shaped joint which is arranged corresponding to the corners of the graphite sealing ring 1 is more suitable for avoiding the secondary impact on the graphite sealing ring due to gaps, the left wall in the outer corner protection shell 2 is fixedly connected with a first air bag 7, the first air bag 7 is movably arranged below the push plate 5, the inner top wall of the outer corner protection shell 2 is fixedly connected with a second air bag 8, and the second air bag 8 is movably arranged on the right side of the push plate 5;

the outer corner protective housing 2 and the inner corner protective housing laminating 3 that set up through the 1 left and right sides of graphite sealing strip are in the side of graphite sealing strip 1 to and the cooperation of spring 4, push pedal 5 and cushion pad 6, and when graphite sealing strip 1 removed when through receiving impact or extruded power, spring 4 atress shrink played the cushioning effect simultaneously, and protection graphite sealing strip 1 that can be better avoids graphite sealing strip 1 to collapse the limit and damages.

Referring to fig. 3-4, the graphite sealing ring 1 is provided with a clamping groove corresponding to the outer corner protective shell 2 and the inner corner protective shell 3, and the outer corner protective shell 2 and the inner corner protective shell 3 are installed in the corresponding clamping grooves; outer corner protective housing 2 and internal corner protective housing 3 laminate respectively in the left and right sides of graphite seal ring 1, and outer corner protective housing 2 and internal corner protective housing 3 can preferentially unload power when receiving the impact, prevent that too big impact force from causing the damage to graphite seal ring 1.

Referring to fig. 4-5, the push plate 5 and the cushion pad 6 are arranged in an arc shape, the inner arc is close to the graphite sealing ring 1, the corner of the graphite sealing ring 1 corresponding to the cushion pad 6 is arranged in an arc shape, and the corner of the graphite sealing ring 1 is attached to the cushion pad 6; the arc corner laminating blotter 6 of graphite sealing strip 1, the blotter can cushion impact force when the impact comes, prevents to have too big impact force to influence the use of graphite sealing strip.

Referring to fig. 4-5, the graphite sealing ring 1 is provided with adaptive grooves corresponding to the first air bag 7 and the second air bag 8, and the first air bag 7 and the second air bag 8 are arranged in the corresponding grooves; after the first air bag 7 and the second air bag 8 are arranged in the groove of the graphite sealing strip 1, the first air bag 7 and the second air bag 8 deform when being impacted, the impact force is removed, and the function of protecting the graphite sealing ring 1 is achieved.

Referring to fig. 1 to 4, the number of the outer corner protective cases 2 and the number of the inner corner protective cases 3 are two, the outer corner protective cases 2 are respectively installed on the upper surface and the lower surface of the left side of the graphite seal ring 1, and the inner corner protective cases 3 are respectively installed on the upper surface and the lower surface of the right side of the graphite seal ring 1; two outer corner protective housing 2 laminates in the left side of graphite sealing ring 1, and two inner corner protective housing 3 laminates in 1 right side of graphite sealing ring, receives when assaulting, and outer corner protective housing 2 and inner corner protective housing 3 preferentially receive the impact, avoid graphite sealing ring 1 to receive too big impact force.

Referring to fig. 4-5, the number of the spring 4, the push plate 5, the cushion 6, the first airbag 7 and the second airbag 8 is four, and the single number of the above structures is set as one group, and four groups are respectively installed at the inner sides of the corresponding outer corner protection case 2 and inner corner protection case 3; receive when external force strikes spring 4 shrink drive push pedal 5 and cushion 6 shrink, gasbag 7 and gasbag two 8 receive the extrusion simultaneously, cut down the impact force that receives respectively, better protection graphite sealing ring 1.

This flexible graphite sealing ring during operation with corner protection, with graphite sealing ring 1 installation completion back, if receive impact or when extrudeing, at first outer corner protective housing 2 and inner corner protective housing 3 can unload the power, remaining transmission is behind graphite sealing ring 1, shrink after spring 4 received the extrusion, drive push pedal 5 and cushion 6 outside side recovery simultaneously, gasbag one 7 and gasbag two 8 receive the extrusion and take place deformation simultaneously, furthest unloads the impact force, better protection graphite sealing ring 1.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flexible graphite sealing ring with corner protection, comprising a graphite sealing ring (1), characterized in that: the utility model discloses a graphite sealing ring, including graphite sealing ring (1), the outer corner protective housing of left side fixedly connected with (2) of graphite sealing ring (1), the right side fixedly connected with internal corner protective housing (3) of graphite sealing ring (1), the one end of the inboard fixedly connected with spring (4) of outer corner protective housing (2), the other end fixedly connected with push pedal (5) of spring (4), the lower fixed surface of push pedal (5) is connected with blotter (6), left wall fixedly connected with gasbag (7) in outer corner protective housing (2), just gasbag (7) movable mounting is in the below of push pedal (5), the interior roof fixedly connected with gasbag two (8) of outer corner protective housing (2), just gasbag two (8) movable mounting is on the right side of push pedal (5).

2. A flexible graphite seal ring with corner protection as claimed in claim 1, wherein: the graphite sealing ring (1) is provided with clamping grooves corresponding to the outer corner protection shell (2) and the inner corner protection shell (3), and the outer corner protection shell (2) and the inner corner protection shell (3) are installed in the corresponding clamping grooves.

3. A flexible graphite seal ring with corner protection as claimed in claim 2, wherein: push pedal (5) and cushion (6) set up to the arc form, and the inner arc is close to graphite sealing ring (1), and the corner of graphite sealing ring (1) corresponds cushion (6) and sets up to the arc, and the corner laminating cushion (6) of graphite sealing ring (1).

4. A flexible graphite seal ring with corner protection as claimed in claim 3, wherein: the graphite sealing ring (1) is provided with adaptive grooves corresponding to the air bag I (7) and the air bag II (8), and the air bag I (7) and the air bag II (8) are arranged in the corresponding grooves.

5. A flexible graphite seal ring with corner protection according to claim 4, wherein: the number of outer corner protective housing (2) and interior corner protective housing (3) is two, and installs respectively at the left upper surface of graphite sealing ring (1) and lower surface outer corner protective housing (2), and upper surface and lower surface on graphite sealing ring (1) right side are installed respectively in interior corner protective housing (3).

6. A flexible graphite seal ring with corner protection according to claim 5, wherein: the number of the springs (4), the push plate (5), the cushion (6), the first air bags (7) and the second air bags (8) is four, the single number of the structures is set to be one group, and the four groups of the structures are respectively arranged on the inner sides of the corresponding outer corner protection shell (2) and the corresponding inner corner protection shell (3).