CN210949093U - High-pressure seal ring installation protection structure - Google Patents
High-pressure seal ring installation protection structure Download PDFInfo
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- CN210949093U CN210949093U CN201921856469.XU CN201921856469U CN210949093U CN 210949093 U CN210949093 U CN 210949093U CN 201921856469 U CN201921856469 U CN 201921856469U CN 210949093 U CN210949093 U CN 210949093U
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- sealing ring
- pressure sealing
- mounting groove
- pressure
- circular mounting
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Abstract
The utility model discloses a high-pressure seal circle installation protection architecture, include: the high-pressure sealing ring seat is provided with a central hole, the front end surface of the high-pressure sealing ring seat is provided with a V-shaped groove, and the rear end surface of the high-pressure sealing ring seat is provided with a circular mounting groove; a high pressure seal ring provided with a central bore; the high-pressure sealing ring sleeve is provided with a central hole, the front end surface of the high-pressure sealing ring sleeve is provided with a circular mounting groove, and the rear end of the high-pressure sealing ring sleeve is provided with an annular mounting groove; an O-shaped ring; this mounting structure installs in the circular mounting groove of pump head, and installation protection architecture's external diameter slightly is less than the diameter of the circular mounting groove of pump head, and wherein the downthehole plunger of installing in high pressure seal's central bore, this novel structure floats in the circular mounting groove of pump head. The utility model discloses can improve the axiality of plunger and high-pressure seal circle, reduce the high-pressure seal circle seat and take place the creep, improve the life-span of high-pressure seal circle and the life-span of installation protection architecture itself and the leakproofness of pump head structure.
Description
Technical Field
The utility model relates to a high-pressure seal ring installation protection architecture, concretely relates to plunger pump high-pressure seal ring's installation protection architecture belongs to liquid chromatogram application.
Background
The high-pressure sealing ring of the existing plunger pump in the current market has two installation modes, one mode is that fixed installation is adopted, namely the high-pressure sealing ring is fixed relative to the position of a pump head and cannot be adjusted. The structure has the disadvantages that the coaxiality of the plunger and the high-pressure sealing ring is not easy to guarantee, and the radial stress between the plunger and the high-pressure sealing ring is not uniform easily. Along with the reciprocating motion of the plunger, one side of the high-pressure sealing ring, which is subjected to larger stress, is seriously abraded, so that the sealing performance of the whole pump head structure is reduced, and the phenomenon of leakage of the pump head structure is caused; the other type is floating installation, namely a high-pressure sealing ring is fixed between a high-pressure sealing seat and a high-pressure sealing sleeve to form a high-pressure sealing ring component which is installed in a circular installation groove of a pump head, the inner diameter of the circular installation groove of the pump head is slightly larger than the outer diameter of the high-pressure sealing ring component, the structure can improve the coaxiality of the plunger and the high-pressure sealing ring, and the service life of the high-pressure sealing ring is prolonged. However, the high-pressure sealing ring seat and the high-pressure sealing ring sleeve are generally made of engineering plastics, the structure of the high-pressure sealing ring seat and the high-pressure sealing ring sleeve is deformed by axial pressure to seal, and the structure usually causes creep deformation of the high-pressure sealing ring seat and the high-pressure sealing ring sleeve, so that the structure of a pump head leaks; in view of the advantages and disadvantages of these two structures, the utility model provides a high-pressure seal ring installation protection architecture.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-pressure seal ring installation protection architecture, it can improve plunger and high-pressure seal ring's axiality, reduces high-pressure seal ring seat and takes place the creep, has improved the life-span of high-pressure seal ring and the life-span of high-pressure seal ring installation protection architecture itself and the leakproofness of pump head structure.
The utility model provides a high-pressure seal circle installation protection architecture, this structure includes:
the high-pressure sealing ring seat is provided with a central hole, the front end surface of the high-pressure sealing ring seat is provided with a V-shaped groove, and the rear end surface of the high-pressure sealing ring seat is provided with a circular mounting groove;
a high pressure seal ring provided with a central bore;
the high-pressure sealing ring sleeve is provided with a central hole, the front end surface of the high-pressure sealing ring sleeve is provided with a circular mounting groove, and the rear end of the high-pressure sealing ring sleeve is provided with an annular mounting groove;
an O-shaped ring;
the high-pressure sealing ring is arranged in a circular mounting groove in the rear end face of the high-pressure sealing ring seat, the high-pressure sealing ring seat is arranged in a circular mounting groove in the front end face of the high-pressure sealing ring sleeve, the high-pressure sealing ring is located between the high-pressure sealing ring seat and the high-pressure sealing ring sleeve, the concentric mounting of the center holes of the three parts is guaranteed, the O-shaped ring is arranged in an annular mounting groove of the high-pressure sealing ring sleeve, and the O-shaped ring and the annular mounting groove are in small clearance fit to form the mounting protection structure.
The utility model discloses in the circular mounting groove of current pump head need be installed, this installation protection architecture's external diameter need slightly be less than the diameter of the circular mounting groove of pump head.
Wherein the high-pressure sealing ring seat is made of engineering plastics, and the high-pressure sealing ring sleeve is made of stainless steel.
The utility model has the advantages that: effectively solved the processing of plunger and high-pressure seal circle and the local wear that the axiality deviation leads to in the installation to and the radial deformation of the high-pressure seal ring seat of stainless steel material's high-pressure seal snare restriction engineering plastics, reduced high-pressure seal ring seat and taken place the creep, thereby improved high-pressure seal ring's life with the utility model discloses the life-span of structure self and the holistic sealed effect of pump head structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is an exploded view of the high-pressure seal ring sleeve structure of the present invention.
Fig. 2 is an overall structure diagram of the present invention.
Fig. 3 is a front exploded view of the present invention installed in a pump head.
Fig. 4 is a rear exploded view of the present invention installed in a pump head.
Fig. 5 illustrates the rear end face structure of the pump head parts of the present invention.
Fig. 6 illustrates a front end face structure of the high-pressure seal ring seat of the present invention.
Fig. 7 illustrates a rear end face structure of the high-pressure seal ring seat of the present invention.
Fig. 8 illustrates the front end face structure of the high-pressure seal ring of the present invention.
Fig. 9 illustrates the front end face structure of the high pressure sealing ring sleeve of the present invention.
Fig. 10 illustrates the rear end face structure of the high pressure sealing ring of the present invention.
Fig. 11 is a detail view of the pump head base of the present invention.
Fig. 12 is a drawing of a plunger component according to the present invention.
The specific reference numbers in the figures are as follows:
1. high-pressure sealing ring 2 and high-pressure sealing ring seat
3. High-pressure sealing ring sleeve 4 and O-shaped ring
5. Pump head 6 and pump head base
7. Plunger 8, pump head centre bore
9. Round mounting groove 10 of pump head, center hole of high-pressure sealing ring seat
11. V-shaped groove 12 on front end face of high-pressure sealing ring seat and circular mounting groove on rear end face of high-pressure sealing ring seat
13. High-pressure sealing ring center hole 14 and high-pressure sealing ring sleeve center hole
15. Circular mounting groove 16 on front end face of high-pressure sealing ring sleeve and circular mounting groove on rear end face of high-pressure sealing ring sleeve
17. Center hole of pump head seat
Detailed Description
The structure of the present invention will be further described with reference to the accompanying drawings and examples.
The terms "front," "back," "over," "under," and the like in the description and in the claims are used for descriptive purposes and not necessarily for describing exclusive relative positions. For convenience, the side near the pump head is defined as front, and the side near the head seat is defined as back.
The utility model relates to a high-pressure seal circle installation protection architecture. As shown in fig. 1 and 2, the structure includes:
a high-pressure seal ring 1 provided with a high-pressure seal ring center hole 13 (see fig. 8);
the high-pressure sealing ring seat 2 is provided with a high-pressure sealing ring seat central hole 10, a high-pressure sealing ring seat front end surface V-shaped groove 11 is arranged on the front end surface of the high-pressure sealing ring seat, and a high-pressure sealing ring seat rear end surface circular mounting groove 12 is arranged on the rear end of the high-pressure sealing ring seat (see figures 6 and 7);
the high-pressure sealing ring sleeve 3 is provided with a high-pressure sealing ring sleeve center hole 14, the front end of the high-pressure sealing ring sleeve is provided with a circular mounting groove 15 on the front end surface of the high-pressure sealing ring sleeve, and the rear end of the high-pressure sealing ring sleeve is provided with an annular mounting groove 16 on the rear end surface of the high-pressure sealing ring sleeve (see figures 9 and 10);
an O-shaped ring 4;
the installation protection structure of the utility model is shown in figure 2 after being installed. Wherein, the prior pump head 5 is provided with a pump head central hole 8, and the back end surface thereof is provided with a pump head circular mounting groove 9 (see figure 5); a pump head mount 6 provided with a pump head mount central hole 17 (see fig. 11); and a plunger 7 (see fig. 12), which is installed in the circular mounting groove 9 (see fig. 3 and 4) of the pump head on the rear end face of the existing pump head 5 after being installed into the assembly shown in fig. 2; the utility model discloses the external diameter of installation protection structure subassembly (see fig. 2) slightly is less than the diameter of the circular mounting groove 9 of pump head. Wherein the plunger is installed in the center hole of the high-pressure sealing ring, and the novel structure floats in the circular mounting groove of the pump head. Wherein the high-pressure sealing ring seat is made of engineering plastics, and the high-pressure sealing ring sleeve is made of stainless steel.
Claims (3)
1. The utility model provides a high-pressure seal circle installation protection architecture which characterized in that: the structure includes:
the high-pressure sealing ring seat is provided with a central hole, the front end surface of the high-pressure sealing ring seat is provided with a V-shaped groove, and the rear end surface of the high-pressure sealing ring seat is provided with a circular mounting groove;
a high pressure seal ring provided with a central bore;
the high-pressure sealing ring sleeve is provided with a central hole, the front end surface of the high-pressure sealing ring sleeve is provided with a circular mounting groove, and the rear end of the high-pressure sealing ring sleeve is provided with an annular mounting groove;
an O-shaped ring;
the high-pressure sealing ring is arranged in a circular mounting groove in the rear end face of the high-pressure sealing ring seat, the high-pressure sealing ring seat is arranged in a circular mounting groove in the front end face of the high-pressure sealing ring sleeve, the high-pressure sealing ring is located between the high-pressure sealing ring seat and the high-pressure sealing ring sleeve, the concentric mounting of the center holes of the three parts is guaranteed, the O-shaped ring is arranged in an annular mounting groove of the high-pressure sealing ring sleeve, and the O-shaped ring and the annular mounting groove are in small clearance fit.
2. The high-pressure seal ring installation protection structure as set forth in claim 1, wherein: the installation protection structure is installed in the circular mounting groove of the existing pump head, and the outer diameter of the installation protection structure needs to be slightly smaller than the diameter of the circular mounting groove of the pump head.
3. The high-pressure seal ring installation protection structure as set forth in claim 1, wherein: the high-pressure sealing ring seat is made of engineering plastics, and the high-pressure sealing ring sleeve is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856469.XU CN210949093U (en) | 2019-10-31 | 2019-10-31 | High-pressure seal ring installation protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856469.XU CN210949093U (en) | 2019-10-31 | 2019-10-31 | High-pressure seal ring installation protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949093U true CN210949093U (en) | 2020-07-07 |
Family
ID=71372612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921856469.XU Active CN210949093U (en) | 2019-10-31 | 2019-10-31 | High-pressure seal ring installation protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949093U (en) |
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2019
- 2019-10-31 CN CN201921856469.XU patent/CN210949093U/en active Active
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