CN218118603U - High temperature resistant combination hot charging formula sealing ring - Google Patents

High temperature resistant combination hot charging formula sealing ring Download PDF

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Publication number
CN218118603U
CN218118603U CN202221938923.8U CN202221938923U CN218118603U CN 218118603 U CN218118603 U CN 218118603U CN 202221938923 U CN202221938923 U CN 202221938923U CN 218118603 U CN218118603 U CN 218118603U
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CN
China
Prior art keywords
ring
sealing ring
seat
tungsten carbide
friction pair
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CN202221938923.8U
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Chinese (zh)
Inventor
周保华
周虎
卢俊
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Chengdu Chuanying Carbide Co ltd
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Chengdu Chuanying Carbide Co ltd
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Priority to CN202221938923.8U priority Critical patent/CN218118603U/en
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Abstract

The utility model relates to a sealing ring technical field especially relates to a high temperature resistance combination hot-filling type sealing ring. The technical problem is as follows: provided is a high-temperature-resistant combined shrink-fit seal ring capable of enhancing sealing performance. The utility model provides a such high temperature resistance combination hot-assembling formula sealing ring, including rotating ring, quiet ring, the end face friction is vice, ring seat and tungsten carbide ring, quiet ring inboard is connected with the ring seat, and the ring seat is interference fit with quiet ring, and the ring seat inboard is connected with the rotating ring, and the ring seat inboard is connected with the end face friction vice, and the end face friction is vice to be located rotating ring upper portion, and the ring seat outside is connected with two tungsten carbide rings. The utility model discloses a cooperation effect of connecting the slope on auxiliary seal circle, heat transfer friction are vice and the seat, and heat conduction of heat transfer friction is vice with inside auxiliary seal circle is to metal casing, connects the slope on the seat and fills the gap between metal casing, stainless steel end ring and the alloy apical ring, has effectively increased the leakproofness of this sealing ring to the application range of this sealing ring has also been enlarged.

Description

High temperature resistant combination hot charging formula sealing ring
Technical Field
The utility model relates to a sealing ring technical field especially relates to a high temperature resistance combination hot-filling type sealing ring.
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 to play a sealing role by the elasticity of the pressed sealing ring. 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, the sealing ring is tightly pressed on the inner hole wall of the static element by the elasticity of the pressed notch, and the sealing effect can be achieved, so that all contact surfaces need to be hardened and polished. The shallow grooves are formed in the flat sealing end face of the sealing ring of the mechanical seal, so that the lubrication of the sealing end face can be enhanced, the friction and the abrasion on the end face are reduced, the friction heat is reduced, the sealing stability is improved, and the service life is prolonged.
The sealing ring has an integral sealing ring (made of the same material) and a combined sealing ring according to different manufacturing methods and materials, wherein the sealing ring of the O-shaped ring of the combined sealing ring is in sliding fit with H7/g8 between the hard alloy ring and the ring seat. An O-shaped sealing ring made of polytetrafluoroethylene or synthetic rubber is arranged between the two matching cylindrical surfaces to prevent the leakage of sealing fluid between the two, and the hard alloy ring and the ring seat are combined together. The hot-charging type sealing ring has three structures, the hot-charging type sealing ring produced in early period of a manufacturing factory has a simpler structure, but once the hard alloy ring is loosened, the auxiliary sealing ring is seriously abraded during operation and a large amount of leakage can occur because the hard alloy ring is contacted with the auxiliary sealing ring. On the basis of the improvement, the auxiliary sealing ring is not contacted with the hard alloy ring, the defects are not caused, and only slight leakage exists between the hard alloy ring and the ring seat.
However, the combined structure of the sealing ring does not generate combined stress, and the deformation of the sealing end surface of the combined sealing ring caused by the combined stress is also caused, so the use temperature of the combined hot-assembled sealing ring is limited, the combined hot-assembled sealing ring is easy to deform under a high-temperature environment to seriously reduce the sealing property of the combined hot-assembled sealing ring, and the use environment of the combined hot-assembled sealing ring is also limited.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects that the combined structure of the combined hot-mounted sealing ring is easy to deform under a high-temperature environment and seriously reduces the sealing property, thereby limiting the use environment, and the technical problem is as follows: provided is a high-temperature-resistant combined shrink-fit seal ring capable of enhancing sealing performance.
The technical scheme is as follows: the utility model provides a high temperature resistance combination hot charge formula sealing ring, is including rotating ring, quiet ring, the end surface friction is vice, ring holder and tungsten carbide ring, and quiet ring inboard is connected with the ring holder, and the ring holder is interference fit with quiet ring, and the ring holder inboard is connected with the rotating ring, and the ring holder inboard is connected with the end surface friction is vice, and the end surface friction is vice to be located rotating ring upper portion, and the ring holder outside is connected with two tungsten carbide rings, and one of them tungsten carbide ring sets up in quiet ring upper portion, and another one tungsten carbide ring sets up in quiet ring lower part.
Preferably, the device also comprises a metal shell and an auxiliary sealing ring, wherein the metal shell is fixedly connected to the outer side of the static ring, the auxiliary sealing ring is sleeved on the tungsten carbide ring positioned at the upper part in the metal shell, and the metal shell is positioned at the periphery of the auxiliary sealing ring.
Preferably, the heat-conducting friction pair is further included, the auxiliary sealing ring arranged at the upper part in the metal shell is connected with the heat-conducting friction pair, and the tungsten carbide ring arranged at the bottom in the metal shell is connected with the heat-conducting friction pair.
Preferably, the heat-transfer friction pair further comprises an alloy top ring, and the alloy top ring is connected to the heat-transfer friction pair arranged at the upper part in the metal shell.
Preferably, the heat-conducting friction pair further comprises a stainless steel bottom ring, and the stainless steel bottom ring is connected to the bottom of the heat-conducting friction pair arranged at the inner bottom of the metal shell.
Preferably, the stainless steel top ring further comprises an upper seat connecting slope, the upper seat connecting slope is connected between the metal shell and the alloy top ring, and the upper seat connecting slope is connected between the metal shell and the stainless steel bottom ring.
Preferably, the connecting slopes on both seats are made of metal with low melting point.
The utility model has the advantages that: the utility model discloses an auxiliary seal circle, heat transfer friction is vice, the seat is gone up and is connected slope, alloy apical ring and metal casing's mating reaction, heat transfer friction is vice conducts metal casing with the heat of inside auxiliary seal circle, connect the gap between slope and metal casing, stainless steel base ring and the alloy apical ring on the seat and fill for the sealing ring can not reduce the leakproofness of this sealing ring yet when using under high temperature weather, the leakproofness of this sealing ring has effectively been increased, thereby the application range of this sealing ring has also been enlarged.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the moving ring and the stationary ring of the present invention.
Fig. 3 is an exploded view of the first view of the present invention.
Fig. 4 is an exploded view of the second view of the present invention.
Fig. 5 is an exploded view at a third viewing angle of the present invention.
Fig. 6 is an exploded view of a fourth perspective of the present invention.
Description of reference numerals: 1_ rotating ring, 2_ stationary ring, 3_ end face friction pair, 4_ ring seat, 5_ tungsten carbide ring, 6_ auxiliary sealing ring, 7_ heat transfer friction pair, 8_ seat upper connecting slope, 9_ alloy top ring, 10_ metal shell and 11_ stainless steel bottom ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Example 1
The utility model provides a high temperature resistance combination hot packing formula sealing ring, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, including rotating ring 1, quiet ring 2, the vice 3 of end face friction, ring receptacle 4 and tungsten carbide ring 5, quiet ring 2 inboard is connected with ring receptacle 4, ring receptacle 4 sets up to interference fit with quiet ring 2, ring receptacle 4 inboard is connected with rotating ring 1, the vice 3 of end face friction has been cup jointed to ring receptacle 4 inboard, the vice 3 of end face friction sets up in the upper portion of rotating ring 1, the ring receptacle 4 outside is connected with two tungsten carbide rings 5, one of them tungsten carbide ring 5 sets up in the upper portion of quiet ring 2, another tungsten carbide ring 5 sets up in the lower part of quiet ring 2.
The device also comprises a metal shell 10 and an auxiliary sealing ring 6, wherein the metal shell 10 is fixedly connected to the outer side of the static ring 2, the auxiliary sealing ring 6 is sleeved on the tungsten carbide ring 5 positioned at the upper part in the metal shell 10, and the metal shell 10 is positioned on the periphery of the auxiliary sealing ring 6.
The heat-conducting friction pair is characterized by further comprising a heat-conducting friction pair 7, the auxiliary sealing ring 6 positioned at the upper part in the metal shell 10 is connected with the heat-conducting friction pair 7, and the tungsten carbide ring 5 positioned at the bottom in the metal shell 10 is provided with the heat-conducting friction pair 7.
When the sealing ring needs to be installed by a worker, firstly, the inner side of the static ring 2 is sleeved with the ring seat 4, the ring seat 4 can play a role in connecting and sealing each part, the ring seat 4 and the static ring 2 are in interference fit, the inner side of the ring seat 4 is connected with the movable ring 1, the inner side of the ring seat 4 is connected with the end surface friction pair 3, the end surface friction pair 3 is positioned on the upper portion of the movable ring 1, the upper side and the lower side of the outer portion of the ring seat 4 are sleeved with the tungsten carbide rings 5, the tungsten carbide rings 5 play a role in increasing the overall strength of the sealing ring, the tungsten carbide rings 5 are high temperature resistant, good in corrosion resistance and good in friction, the two tungsten carbide rings 5 are respectively positioned on the upper portion and the lower portion of the static ring 2, then, the metal shell 10 is fixedly connected on the periphery of the static ring 2, the auxiliary sealing ring 6 is sleeved on the tungsten carbide rings 5 on the upper portion of the inner portion of the metal shell 10, the metal shell 10 is positioned on the periphery of the auxiliary sealing ring 6, so that the auxiliary sealing ring seat 4 and the metal shell 10 can play a role in enhancing heat conduction of enhancing the heat transfer of the auxiliary sealing ring 7, and the auxiliary sealing ring 7 can not only can conduct heat, and the heat of the auxiliary sealing ring 7 can be heat transfer, and the auxiliary sealing ring 7 can be small heat transfer.
Example 2
In addition to embodiment 1, as shown in fig. 1, 5 and 6, the heat transfer friction pair further includes an alloy top ring 9 and a stainless steel bottom ring 11, the alloy top ring 9 is connected to the heat transfer friction pair 7 disposed at the upper portion in the metal casing 10, and the stainless steel bottom ring 11 is connected to the bottom of the heat transfer friction pair 7 disposed at the bottom in the metal casing 10.
The stainless steel alloy steel pipe is characterized by further comprising an upper connecting slope 8, the upper connecting slope 8 is connected between the metal shell 10 and the alloy top ring 9, the upper connecting slope 8 is sleeved between the metal shell 10 and the stainless steel bottom ring 11, and the upper connecting slopes 8 are made of low-melting-point metal.
Finally, in order to further enhance the sealing performance of the sealing ring, a worker fastens the alloy top ring 9 on the upper portion of the metal shell 10, connects the metal shell 10 and the alloy top ring 9 with the connecting slope 8 on the connecting seat, the connecting slope 8 on the seat hermetically fills the gap at the joint of the alloy top ring 9 and the metal shell 10 to enhance the sealing performance of the sealing ring, then installs the stainless steel bottom ring 11 at the bottom of the heat transfer friction pair 7 at the inner bottom of the metal shell 10, the stainless steel bottom ring 11 is connected and matched with the bottom of the metal shell 10, then connects the slope 8 on the mounting seat between the stainless steel bottom ring 11 and the metal shell 10, the connecting slope 8 on the seat fills the gap between the stainless steel bottom ring 11 and the metal shell 10, and the connecting slope 8 on the seat is a metal with a low melting point, so that the connecting slope 8 on the seat melts when encountering high temperature, and the connecting slope 8 on the seat can simply weld the metal shell 10, the stainless steel bottom ring 11 and the alloy top ring 9, and avoid the sealing ring from falling off and affecting the sealing performance of the sealing ring.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides a high temperature resistance combination hot charge formula sealing ring, including rotating ring (1), quiet ring (2) and ring holder (4), quiet ring (2) inboard is connected with ring holder (4), ring holder (4) are interference fit with quiet ring (2), ring holder (4) inboard is connected with rotating ring (1), a serial communication port, still including terminal surface friction pair (3) and tungsten carbide ring (5), ring holder (4) inboard is connected with terminal surface friction pair (3), terminal surface friction pair (3) are located rotating ring (1) upper portion, ring holder (4) outside is connected with two tungsten carbide rings (5), one of them tungsten carbide ring (5) set up in quiet ring (2) upper portion, another one tungsten carbide ring (5) set up in quiet ring (2) lower part.
2. The high-temperature-resistant combined hot-pack sealing ring according to claim 1, further comprising a metal casing (10) and an auxiliary sealing ring (6), wherein the metal casing (10) is fixedly connected to the outer side of the stationary ring (2), the auxiliary sealing ring (6) is sleeved on the tungsten carbide ring (5) located at the upper portion of the metal casing (10), and the metal casing (10) is located at the periphery of the auxiliary sealing ring (6).
3. The high-temperature-resistant combined hot-charging type sealing ring according to claim 2, characterized by further comprising a heat transfer friction pair (7), wherein the auxiliary sealing ring (6) arranged at the upper part in the metal shell (10) is connected with the heat transfer friction pair (7), and the tungsten carbide ring (5) arranged at the bottom in the metal shell (10) is also connected with the heat transfer friction pair (7).
4. The high-temperature-resistant combined hot-charging type sealing ring according to claim 3, characterized by further comprising an alloy top ring (9), wherein the alloy top ring (9) is connected to the heat transfer friction pair (7) arranged at the upper part in the metal shell (10).
5. The high-temperature-resistant combined hot-pack type seal ring according to claim 4, further comprising a stainless steel bottom ring (11), wherein the stainless steel bottom ring (11) is connected to the bottom of the heat transfer friction pair (7) arranged at the bottom in the metal shell (10).
6. The high-temperature-resistant combined hot-pack type seal ring according to claim 5, further comprising an upper seat connecting slope (8), wherein the upper seat connecting slope (8) is connected between the metal shell (10) and the alloy top ring (9), and the upper seat connecting slope (8) is also connected between the metal shell (10) and the stainless steel bottom ring (11).
7. The high-temperature-resistant combined hot-pack sealing ring according to claim 6, characterized in that the seat-upper connecting ramp (8) is a low-melting metal.
CN202221938923.8U 2022-07-26 2022-07-26 High temperature resistant combination hot charging formula sealing ring Active CN218118603U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221938923.8U CN218118603U (en) 2022-07-26 2022-07-26 High temperature resistant combination hot charging formula sealing ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221938923.8U CN218118603U (en) 2022-07-26 2022-07-26 High temperature resistant combination hot charging formula sealing ring

Publications (1)

Publication Number Publication Date
CN218118603U true CN218118603U (en) 2022-12-23

Family

ID=84520471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221938923.8U Active CN218118603U (en) 2022-07-26 2022-07-26 High temperature resistant combination hot charging formula sealing ring

Country Status (1)

Country Link
CN (1) CN218118603U (en)

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