CN214838367U - Self-sealing high-pressure combined sealing ring and assembling tool - Google Patents

Abstract

The utility model provides a self-sealing high-pressure combined sealing ring and an assembling tool, which comprises a circular first ring body and a circular second ring body, wherein a V-shaped groove is arranged on the section of the second ring body, and the direction of a notch of the V-shaped groove is axially arranged; the section of the second ring body is also provided with a rectangular groove communicated with the bottom of the V-shaped groove; the cross-section of the first ring body is provided with a vertex angle, the direction of the vertex angle is arranged along the axial direction, the first ring body and the second ring body are arranged between the plug and the kettle body during use, the vertex angle of the first ring body is inserted into the V-shaped groove and the rectangular groove of the second ring body, a medium in a gap between the plug and the kettle body can generate pressure on the first ring body and the second ring body, the top pushing device and the top pushing device are close to each other, the outer lip of the second ring body is pushed by the vertex angle to be closely attached to the inner wall of the kettle body, the inner lip of the second ring body is closely attached to the outer wall of the plug, the sealing purpose is achieved, and the structure is easy to assemble and disassemble.

Description

Self-sealing high-pressure combined sealing ring and assembling tool

Technical Field

The utility model relates to a critical extraction field especially relates to a self sealss high pressure combined seal circle and equipment frock.

Background

With the development and progress of society, the critical extraction technology is more and more applied to industrial production, and different components in a sample can be extracted out successively according to the solubility of the components in a fluid only by changing the pressure and the temperature of an extractant fluid.

In the reaction extraction kettle in the prior art, the sealing between the plug and the kettle body is generally sealed by adopting a filler, the installation and the removal of the filler sealing mode are complex, the influence of factors such as temperature and pressure is large, the filler is easily abraded and corroded in the operation process to cause leakage, and meanwhile, after a long time, the filler is easy to cause the abrasion of the kettle body to reduce the service life.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that in the extraction cauldron of reaction among the prior art, sealed general adoption packing between end cap and the cauldron body is sealed, and this kind of packing seal mode installation is complicated with demolising, receives the influence of factors such as temperature and pressure great, and the packing receives wearing and tearing and erosion easily in addition at the operation in-process, causes the leakage, and back in long-time simultaneously, the packing easily causes the wearing and tearing of the cauldron body, reduces life, the utility model provides a self sealss high pressure combination seal circle and equipment frock solve above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is: a self-sealing high-pressure combined sealing ring comprises a circular first ring body and a circular second ring body, wherein the diameter of the outer ring of the first ring body is the same as that of the outer ring of the second ring body; the diameter of the inner ring of the first ring body is the same as that of the inner ring of the second ring body, a V-shaped groove is formed in the section of the second ring body, and the direction of a notch of the V-shaped groove is arranged along the axial direction; the section of the second ring body is also provided with a rectangular groove communicated with the bottom of the V-shaped groove; the cross-section of the first ring body is provided with a vertex angle, the direction of the vertex angle is arranged along the axial direction, the vertex angle can be inserted into the V-shaped groove, and the outer lip and the inner lip of the second ring body are pushed to open.

Further: the first ring body and the second ring body are made of polytetrafluoroethylene resin.

The utility model discloses still relate to an equipment frock of self sealss high pressure composite seal circle, including bottom plate and clamp plate, the up end of bottom plate with the lower terminal surface of clamp plate all is equipped with the mounting groove of indent, the shape of mounting groove is circular, first circle body and second circle body can place in the mounting groove, fixed mounting has the guide pillar on the bottom plate, vertical direction setting is followed to the guide pillar, be equipped with in the clamp plate with guide pillar matched with guiding hole, the guiding hole can overlap and establish on the guide pillar, and follow the guide pillar reciprocates.

The utility model has the advantages that the self-sealing high-pressure combined sealing ring and the assembly tool are provided with the first ring body and the second ring body, when in use, the first ring body and the second ring body are arranged between the end cap and the kettle body, and the apex angle of the first ring body is inserted into the V-shaped groove and the rectangular groove of the second ring body, the medium in the gap between the end cap and the kettle body can generate pressure to the first ring body and the second ring body, and the top pushing is close to the first ring body and the second ring body, so that the outer lip of the second ring body is tightly attached to the inner wall of the kettle body by the apex angle top pushing, the inner lip of the second ring body is tightly attached to the outer wall of the end cap, the sealing purpose is achieved, the sealing effect can not be reduced due to the abrasion of the outer ring, the structure is easy to disassemble, only the pressure at two ends is reduced or disappears, the static friction force of the inner ring and the end cap of the sealing ring is reduced, the static friction force of the outer ring and the kettle body of the sealing ring and the kettle body are weakened, and then the plug and the kettle body can be separated by only small force.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a self-sealing high-pressure combined sealing ring of the present invention;

FIG. 2 is a schematic structural diagram of a sealing ring arranged between a plug and a kettle body;

FIG. 3 is a schematic structural view of an assembly fixture;

fig. 4 is a schematic structural view of the first ring body and the second ring body assembled.

In the figure, the device comprises a first ring body 1, a second ring body 2, a V-shaped groove 3, a rectangular groove 4, a top angle 5, a plug 6, a plug 7, a kettle body 8, a bottom plate 9, a pressing plate 10, a mounting groove 11 and a guide pillar.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

As shown in fig. 1, the utility model provides a self-sealing high-pressure combined sealing ring, which comprises a circular first ring body 1 and a circular second ring body 2, wherein the diameter of the outer ring of the first ring body 1 is the same as that of the outer ring of the second ring body 2; the diameter of the inner ring of the first ring body 1 is the same as that of the inner ring of the second ring body 2, a V-shaped groove 3 is formed in the section of the second ring body 2, and the direction of a notch of the V-shaped groove 3 is arranged along the axial direction; the section of the second ring body 2 is also provided with a rectangular groove 4 communicated with the bottom of the V-shaped groove 3; be equipped with apex angle 5 on the cross-section of first circle body 1, apex angle 5's direction sets up along the axial, apex angle 5 can insert in V type groove 3 to the top pushes up the outer lip and the interior lip of second circle body 2 open.

In use, as shown in fig. 2, the first ring body 1 and the second ring body 2 are arranged between the plug 6 and the kettle body 7, and the top corner 5 of the first ring body 1 is inserted into the V-shaped groove 3 and the rectangular groove 4 of the second ring body 2, because a gap exists between the plug 6 and the kettle body 7, the medium in the gap can generate pressure on the first ring body 1 and the second ring body 2 and push the two to approach, further, the top angle 5 pushes the outer lip of the second ring body 2 to be tightly attached to the inner wall of the kettle body 7, the inner lip of the second ring body 2 is tightly attached to the outer wall of the choke plug 6, the sealing purpose is achieved, the sealing effect cannot be reduced due to the abrasion of the outer ring, and the structure is easy to disassemble, and only the pressure at two ends is reduced or disappeared, the static friction force between the inner ring of the sealing ring and the plug 6 and the static friction force between the outer ring of the sealing ring and the kettle body 7 are weakened, so that the plug 6 and the kettle body 7 can be disassembled only by small force.

The first ring body 1 and the second ring body 2 are made of polytetrafluoroethylene resin. The polytetrafluoroethylene resin has excellent chemical stability, corrosion resistance and good ageing resistance.

Referring to fig. 3 and 4, an assembling tool for a self-sealing high-pressure combined sealing ring comprises a bottom plate 8 and a pressing plate 9, wherein concave mounting grooves 10 are formed in the upper end surface of the bottom plate 8 and the lower end surface of the pressing plate 9, the mounting grooves 10 are circular, a first ring body 1 and a second ring body 2 can be placed in the mounting grooves 10, guide pillars 11 are fixedly mounted on the bottom plate 8, the guide pillars 11 are arranged in the vertical direction, guide holes matched with the guide pillars 11 are formed in the pressing plate 9, and the guide holes can be sleeved on the guide pillars 11 and can move up and down along the guide pillars 11.

The first ring body 1 and the second ring body 2 can be assembled into a whole in advance through the assembling tool, and then the first ring body and the second ring body are assembled between the plug 6 and the kettle body 7, so that the sealing effect is prevented from being influenced by overlarge clearance between the first ring body and the kettle body. During assembly, the first ring body 1 and the second ring body 2 are respectively placed in one installation groove 10, then the guide hole of the pressing plate 9 is sleeved on the guide post 11, and the first ring body 1 and the second ring body 2 can be pressed into a whole by pressing down.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (3)

1. The utility model provides a self sealss high pressure combination sealing washer which characterized in that: the ring comprises a circular first ring body (1) and a circular second ring body (2), wherein the diameter of the outer ring of the first ring body (1) is the same as that of the outer ring of the second ring body (2); the diameter of the inner ring of the first ring body (1) is the same as that of the inner ring of the second ring body (2),

a V-shaped groove (3) is formed in the section of the second ring body (2), and the direction of a notch of the V-shaped groove (3) is arranged along the axial direction; the section of the second ring body (2) is also provided with a rectangular groove (4) communicated with the bottom of the V-shaped groove (3);

be equipped with apex angle (5) on the cross-section of first circle body (1), the direction of apex angle (5) sets up along the axial, apex angle (5) can insert in V type groove (3) to the top pushes up the outer lip and the interior lip of second circle body (2) open.

2. The self-sealing high pressure composite seal ring of claim 1, wherein: the first ring body (1) and the second ring body (2) are made of polytetrafluoroethylene resin.

3. The utility model provides an equipment frock of self sealss high pressure combination sealing washer which characterized in that: the novel guide post structure is characterized by comprising a bottom plate (8) and a pressing plate (9), wherein the upper end face of the bottom plate (8) and the lower end face of the pressing plate (9) are both provided with inwards-concave mounting grooves (10), the mounting grooves (10) are circular, a first ring body (1) and a second ring body (2) can be placed in the mounting grooves (10), the bottom plate (8) is fixedly provided with guide posts (11), the guide posts (11) are arranged along the vertical direction, guide holes matched with the guide posts (11) are formed in the pressing plate (9), and the guide holes can be sleeved on the guide posts (11) and move up and down along the guide posts (11).

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