CN205639617U - Two lip seal structures - Google Patents

Abstract

The utility model provides a two lip seal structures, it includes: sealing washer, lock ring and closing plate, sealing washer include that annular body and symmetry set up on the lip limit of annular body both sides, and two lip limits are the flaring form extends to the outer anchor ring of annular body, and the extension on two lip limits end all lies in between the anchor ring and outer anchor ring of annular body, lock ring inlays along the axial of annular body and establishes that this is internal in the annular, and the outer anchor ring of the annular body of a lock ring's one end orientation extends annular body and form the flange, the outer loop facial features butt of closing plate and annular body, one side of closing plate is equipped with and sinks the platform with flange joint complex, through the flange with sink the joint cooperation of platform, the sealing washer meets with the closing plate. The utility model provides a two lip seal structures when changing the sealing washer, only needs to dismantle outer sliding ring and then, need not to dismantle the closing plate to make the easy operation who changes the sealing washer convenient, can save the change time greatly promptly, reduce staff's intensity of labour again.

Description

Two-lid sealing structure

Technical field

This utility model relates to metallurgical technical field of steel rolling, particularly to a kind of two-lid sealing structure.

Background technology

High speed wire rod finishing block is the nucleus equipment of high-speed wire rolling production line, two-lid sealing structure therein for every From the lubricating oil within finishing mill and outside cooling water.Existing high speed wire rod finishing block seals structure and substantially forms For: as depicted in figs. 1 and 2, interior slip ring 1 ', outer slip ring 5 ' are assemblied on roll mandrel 6 '；Double-lip sealing ring 3 ' It is enclosed within sealing plate 4 '；Double-lip sealing ring 3 ' and bracing ring 2 ' are pressed on sealing plate 4 '；Double-lip sealing ring 3 ' Two lip 31 ', 32 ' contact with outer slip ring 5 ' with interior slip ring 1 ' respectively, thus reach sealing function.

Double-lip sealing ring, in use due to abrasion, needs frequently to change, then due to existing double-lip sealing ring Structure and mounting means so that the mode changing double-lip sealing ring is: is pulled down by outer slip ring, is pulled down by sealing plate, Double-lip sealing ring and bracing ring are pulled down on sealing plate；Afterwards, new double-lip sealing ring is installed on sealing plate, so After bracing ring is pushed down double-lip sealing ring, finally bracing ring and outer slip ring are reinstalled.So, double-lip sealing ring is caused Replacement operation is loaded down with trivial details, and wastes time and energy, thus have impact on the operating rate of finishing mill.

Utility model content

The purpose of this utility model is to provide and a kind of can solve the problem that the replacement operation of double-lip sealing ring is loaded down with trivial details, and wastes time and energy The two-lid sealing structure of problem.

For reaching above-mentioned purpose, this utility model provides a kind of two-lid sealing structure, comprising: sealing ring, described Sealing ring include ring body and be respectively arranged at the lip of described ring body both sides, lip described in two be flaring shape to The outer ring surface of described ring body extends, and the elongated end of lip described in two be respectively positioned on the inner ring surface of described ring body with Between outer ring surface；Bracing ring, described bracing ring is axially embedded in described ring body along described ring body, and institute State one end of bracing ring to extend described ring body towards the outer ring surface of described ring body and form rib；Sealing plate, Described sealing plate abuts against with the outer ring surface of described ring body, described sealing plate side be provided with and described rib clamping The heavy stand coordinated, by the snap-fit engagement of described rib Yu described heavy stand, described sealing ring connects with described sealing plate.

Two-lid sealing structure as above, wherein, the extension elongation of described rib is less than or equal to described heavy stand The degree of depth.

Two-lid sealing structure as above, wherein, the cross-sectional area of described heavy stand is more than or equal to the horizontal stroke of described rib Sectional area.

Two-lid sealing structure as above, wherein, the axial length of described ring body less than described sealing plate length Degree.

Two-lid sealing structure as above, wherein, described bracing ring is arranged at the middle part of described ring body.

Two-lid sealing structure as above, wherein, the axial length of described bracing ring is more than the axle of described ring body To length.

Two-lid sealing structure as above, wherein, the axial length of described bracing ring and described sealing plate length phase Deng.

Two-lid sealing structure as above, wherein, the degree of depth of described heavy stand is 1mm-2mm.

Two-lid sealing structure as above, wherein, described bracing ring is steel ring, and described sealing ring is rubber ring.

Two-lid sealing structure as above, wherein, described bracing ring and described sealing ring are the integral type of moulding by casting Structure.

Compared with prior art, advantage of the present utility model is as follows:

This utility model provide two-lid sealing structure, sealing ring be axially embedded with bracing ring, by the gear of bracing ring Limit and the snap-fit engagement of heavy stand, it is achieved that sealing ring connects with sealing plate, and the elongated end of two lip is positioned at ring body Inner ring surface and outer ring surface between so that when changing sealing ring, it is not necessary to dismounting sealing plate, only outer slip ring need to be dismantled It follows that the replacing of sealing ring can be completed, so that change the simple to operation of sealing ring, i.e. can be significantly Save replacing construction, reduce again the labor intensity of staff；

The two-lid sealing structure that this utility model provides, bracing ring and sealing ring are the integral structure of moulding by casting, make The simpler convenience of assembling of two-lid sealing structure so that the dismounting of sealing ring, install and change simple and convenient, Time saving and energy saving.

Accompanying drawing explanation

The following drawings is only intended to, in schematically illustrating this utility model and explaining, not limit model of the present utility model Enclose.Wherein:

Fig. 1 is the structural representation that the high speed wire rod finishing block that prior art uses seals structure；

Fig. 2 is that the high speed wire rod finishing block shown in Fig. 1 seals A portion structure for amplifying schematic diagram in structure；

Fig. 3 is the structural representation of the two-lid sealing structure provided according to this utility model one embodiment；

Fig. 4 is the perspective view after sealing ring connects with bracing ring in the two-lid sealing structure shown in Fig. 3；

Fig. 5 is the structural representation after the tool sealing ring jaggy shown in Fig. 4 connects with bracing ring；

Fig. 6 is the structural representation after the two-lid sealing structure shown in Fig. 3 is installed.

Drawing reference numeral illustrates:

1 '-interior slip ring；2 '-bracing ring；3 '-double-lip sealing ring；31 ', 32 '-lip；4 '-sealing plate； 5 '-outer slip ring；6 '-roll mandrel；

1-sealing ring；11-ring body；12-lip；2-bracing ring；21-rib；3-sealing plate；31-heavy stand；4- Interior slip ring；The outer slip ring of 5-；6-roll mandrel.

Detailed description of the invention

In order to the technical solution of the utility model, purpose and effect are had clearer understanding, in conjunction with accompanying drawing, this is described The detailed description of the invention of utility model.

As it is shown on figure 3, this utility model provides a kind of two-lid sealing structure, it is arranged on roll mandrel 6, these lips Sealing structure includes: sealing ring 1, bracing ring 2 and sealing plate 3, and wherein, as shown in Figure 4, sealing ring 1 includes Ring body 11 and the lip 12 being separately positioned on ring body 11 both sides, two lip 12 are in flaring shape to annular originally The outer ring surface of body 11 extends, and i.e. two lip 12 respectively and form angle between the two sides of ring body 11, thus Make two lip 12 can seal space requirement according to reality, receive towards ring body 11 under the effect of certain external force Contracting, plays good sealing function, and the elongated end of two lip 12 is respectively positioned on the inner ring surface of ring body 11 with annular originally Between the outer ring surface of body 11, the elongated end of i.e. two lip 12 is less than the outer ring surface of ring body 11, so that When changing sealing ring 1, two lip 12 do not interfere with ring body 11 and are axially moveable so that sealing ring 1 can Removal roll mandrel 6 smoothly；As shown in Figure 4 and Figure 5, bracing ring 2 annularly body 11 be axially embedded at ring In shape body 11, and one end of bracing ring 2 is extended ring body 11 towards the outer ring surface of ring body 11 and is formed Rib 21, the i.e. cross section of bracing ring 2 are inverted L-type；As it is shown on figure 3, sealing plate 3 and ring body 11 Outer ring surface abut against, the side of sealing plate 3 is provided with and the heavy stand 31 of rib 21 snap-fit engagement, and heavy stand 31 is in ring Shape, by the snap-fit engagement of rib 21 with heavy stand 31, sealing ring 1 connects with sealing plate 3, i.e. by arranging support Circle 2, on the one hand strengthens the intensity of sealing ring 1, and plays a supporting role sealing ring 1, on the other hand so that Connection between sealing ring 1 and sealing plate 3 is simple and convenient.

When mounted, the assembling mode that the mounting means of two-lid sealing structure can seal structure with prior art is identical, Interior slip ring 4, outer slip ring 5 are set on roll mandrel 6, then by outside the sealing ring 1 being axially embedded with bracing ring 2 Anchor ring connects with sealing plate 3, and makes rib 21 and heavy stand 31 snap-fit engagement, to avoid sealing ring 1 in installation process Middle there is skew, is then set on roll mandrel 6 by sealing plate 3, by sealing plate 3 by two lips of sealing ring 1 Limit 12 connects with interior slip ring 4 and outer slip ring 5 respectively, thus realizes sealing interior slip ring 4 and outer slip ring 5, certainly, Outer ring surface and the sealing plate of the sealing ring 1 of bracing ring 2 first will can also be axially embedded with after installing interior slip ring 4 3 connect, same, in order to avoid sealing ring 1 occurs skew in installation process, make rib 21 block with heavy stand 31 Connect cooperation, then sealing plate 3 is set on roll mandrel 6, by sealing plate 3 by a lip of sealing ring 1 12 connect with interior slip ring 4, are finally set on roll mandrel 6 by outer slip ring 5, and make another lip of sealing ring 1 Limit 12 connects with outer slip ring 5, thus realizes sealing interior slip ring 4 and outer slip ring 5, it is to be noted, however, that When installing sealing plate 3, need that sealing plate 3 is provided with heavy stand 31 side and install towards outer slip ring 5；Work as sealing ring 1 in use causes poorly sealed due to abrasion, when needing to change, it is only necessary to by outer slip ring 5 from roll mandrel 6 Disassemble, the rib 21 of bracing ring 2 is separated with the heavy stand 31 of sealing plate 3, can be by sealing ring 1 from sealing Disassemble on plate 3, then by the outer ring surface of the new sealing ring 1 being axially embedded with bracing ring 2 and sealing plate 3 Connect, and make the baffle plate of bracing ring 2 and heavy stand 31 snap-fit engagement of sealing plate 3, finally outer slip ring 5 is overlapped again It is located on roll mandrel 6 and can complete to change.

The two-lid sealing structure that this utility model provides, is axially embedded with bracing ring 2 at sealing ring 1, by supporting The rib 21 of circle 2 and the snap-fit engagement of heavy stand 31, it is achieved that sealing ring 1 connects with sealing plate 3, and two lip The elongated end of 12 is between the inner ring surface and outer ring surface of ring body 11 so that when changing sealing ring 1, it is not necessary to Dismounting sealing plate 3, only need to dismantle it follows that can be disassembled from roll mandrel by sealing ring by outer slip ring 5, from And complete the replacing of sealing ring 1, and then make to change the simple to operation of sealing ring 1, i.e. can be greatly saved more Change the time, reduce again the labor intensity of staff.

One of the present utility model preferred embodiment in, sealing ring 1 is rubber ring, and rubber ring has good Elastic and resilience, it is possible to playing good sealing function, bracing ring 2 be steel ring, steel ring have good hardness with Tensile strength, it is possible to sealing ring 1 is played excellent support and positioning action.

Further, as it is shown in figure 5, bracing ring 2 and sealing ring 1 are the integral structure of moulding by casting, so, make The simpler convenience of assembling of two-lid sealing structure so that the dismounting of sealing ring 1, install and change simpler Folk prescription is just, time saving and energy saving.

Further, the degree of depth of heavy stand 31 is 1mm-2mm, such size, and rib 21 can either be made with heavy Platform 31 snap-fit engagement, thus effectively prevent sealing ring 1 and offset in installation process, enable to again heavy stand The processing of 31 is simple and convenient.

In a concrete example of the present utility model, the extension elongation of rib 21 is deep less than or equal to heavy stand 31 Degree, such structure so that after rib 21 and heavy stand 31 snap-fit engagement, sealing plate 3 can complete and sealing ring 1 The outer ring surface of ring body 11 connect so that the simpler convenience of connection of sealing plate 3 and sealing ring 1, Time saving and energy saving.

Further, the cross-sectional area of heavy stand 31 is more than or equal to the cross-sectional area of rib 21, such structure, it is possible to Make rib 21 relatively reliable with the snap-fit engagement of heavy stand 31, so that the connection of sealing plate 3 and sealing ring 1 is more Add reliable.

In a concrete example of the present utility model, the axial length of ring body 11 is less than the length of sealing plate 3, Such structure so that sealing ring 1 can fit with sealing plate 3 completely, thus ensure that sealing effectiveness.

In a concrete example of the present utility model, bracing ring 2 is arranged at the middle part of ring body 11, i.e. along ring The radial direction bracing ring 2 of shape body 11 is arranged at the center of ring body 11, and bracing ring 2 annularly body 11 are axially embedded in ring body 11, so so that ring body 11 either axially loaded is the most radially subject to Power, ring body 11 can be played good supporting role by bracing ring 2.

Further, the axial length of bracing ring 2 is more than the axial length of ring body 11, specifically, bracing ring One end of 2 is extended ring body 11 towards the outer ring surface of ring body 11 after slightly extending ring body 11 and is formed Rib 21, such structure so that ring body 11 can preferably be played a supporting role by bracing ring 2.

Further, the axial length of bracing ring 2 is equal with the length of sealing plate 3, i.e. bracing ring 2 two sides are with close The both ends of the surface of shrouding 3 are the most coplanar, so, both do not interfered with lip 12 and shunk towards ring body 11, and again could Make the appearance looks elegant of heavy two-lid sealing structure.

Illustrate the installation process of two-lid sealing structure that this utility model provides below in conjunction with the accompanying drawings:

As shown in Figure 6, when mounted, interior slip ring 4, outer slip ring 5 are set on roll mandrel 6, then will pour into The bracing ring 2 of integral structure and sealing ring 1 are arranged on sealing plate 3, owing to the axial length of bracing ring 2 is with close The length of shrouding 3 is equal, and the axial length of ring body 11 is less than the length of sealing plate 3, stretching out of rib 21 Bracing ring 2 and the sealing ring 1 of the formula structure that pours into an integrated entity, less than the degree of depth of heavy stand 31, therefore, are being installed by length Time on sealing plate 3, it is only necessary to the side of rib 21 self sealss plate 3 is inserted in heavy stand 31, sealing ring 1 can be made Ring body 11 connect with sealing plate 3, so that sealing ring 1 is simple and convenient with the assembling of sealing plate 3, so After, sealing plate 3 is set on roll mandrel 6, when installing sealing plate 3, it should be noted that be by sealing plate 3 are provided with heavy stand 31 side installs towards outer slip ring 5, by the support of sealing plate 3 so that two of sealing ring 1 Lip 12 connects with interior slip ring 4 and outer slip ring 5 respectively, thus realizes sealing interior slip ring 4 and outer slip ring 5, the completeest Become the installation of two-lid sealing structure；

When needs are changed, first outer slip ring 5 is disassembled from roll mandrel 6, then by the rib of bracing ring 2 21 extract in the heavy stand 31 of sealing plate 3, can be disassembled from sealing plate 3 by sealing ring 1, then will be new The bracing ring 2 of the formula that pours into an integrated entity structure and sealing ring 1 be arranged on sealing plate 3, installation process and above-mentioned installation Process is identical, does not repeats them here, and is finally again set on roll mandrel 6 by outer slip ring 5 and can complete to change.

In sum, this utility model provide two-lid sealing structure, sealing ring be axially embedded with bracing ring, pass through The rib of bracing ring and the snap-fit engagement of heavy stand, it is achieved that sealing ring connects with sealing plate, and the elongated end position of two lip Between the inner ring surface and outer ring surface of ring body so that change sealing ring time, it is not necessary to dismounting sealing plate, only need by Outer slip ring is dismantled it follows that the replacing of sealing ring can be completed, so that change the simple to operation of sealing ring, I.e. can be greatly saved replacing construction, reduce again the labor intensity of staff；

The two-lid sealing structure that this utility model provides, bracing ring and sealing ring are the integral structure of moulding by casting, make The simpler convenience of assembling of two-lid sealing structure so that the dismounting of sealing ring, install and change simple and convenient, Time saving and energy saving.

The foregoing is only the schematic detailed description of the invention of this utility model, be not limited to model of the present utility model Enclose.Any those skilled in the art, the equivalent made on the premise of without departing from design of the present utility model and principle Change and amendment, all should belong to the scope of this utility model protection.And it should be noted that of the present utility model respectively Ingredient is not limited in above-mentioned overall applicability, and each technical characteristic described in description of the present utility model can root According to being actually needed one independent employing of selection or selecting the multinomial use that combines, therefore, this utility model is natural Cover other combination relevant with this case inventive point and specifically apply.

Claims (10)

1. a two-lid sealing structure, it is characterised in that described two-lid sealing structure includes:

Sealing ring, described sealing ring includes ring body and is respectively arranged at the lip of described ring body both sides, two institutes Stating lip is that flaring shape extends to the outer ring surface of described ring body, and the elongated end of lip described in two is respectively positioned on described ring Between inner ring surface and the outer ring surface of shape body；

Bracing ring, described bracing ring is axially embedded in described ring body along described ring body, and described bracing ring One end extend described ring body towards the outer ring surface of described ring body and form rib；

Sealing plate, described sealing plate abuts against with the outer ring surface of described ring body, described sealing plate side be provided with The heavy stand of described rib snap-fit engagement, by the snap-fit engagement of described rib Yu described heavy stand, described sealing ring is with described Sealing plate connects.

Two-lid sealing structure the most according to claim 1, it is characterised in that

The extension elongation of described rib is less than or equal to the degree of depth of described heavy stand.

Two-lid sealing structure the most according to claim 2, it is characterised in that

The cross-sectional area of described heavy stand is more than or equal to the cross-sectional area of described rib.

Two-lid sealing structure the most according to claim 1, it is characterised in that

The axial length of described ring body less than described sealing plate length.

Two-lid sealing structure the most according to claim 1, it is characterised in that

Described bracing ring is arranged at the middle part of described ring body.

Two-lid sealing structure the most according to claim 5, it is characterised in that

The axial length of described bracing ring is more than the axial length of described ring body.

Two-lid sealing structure the most according to claim 6, it is characterised in that

The axial length of described bracing ring and described sealing plate length equal.

Two-lid sealing structure the most according to any one of claim 1 to 7, it is characterised in that

The degree of depth of described heavy stand is 1mm-2mm.

Two-lid sealing structure the most according to any one of claim 1 to 7, it is characterised in that

Described sealing ring is rubber ring, and described bracing ring is steel ring.

Two-lid sealing structure the most according to claim 9, it is characterised in that

Described bracing ring and described sealing ring are the integral structure of moulding by casting.