CN217234382U - Rod seal for piston pump - Google Patents
Rod seal for piston pump Download PDFInfo
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- CN217234382U CN217234382U CN202220431761.2U CN202220431761U CN217234382U CN 217234382 U CN217234382 U CN 217234382U CN 202220431761 U CN202220431761 U CN 202220431761U CN 217234382 U CN217234382 U CN 217234382U
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- seal
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Abstract
The utility model discloses a piston pump's of piston pump correlation technique field pole sealing member, including seal cover main part and sealed locking cap, first seal groove, second seal groove, third seal groove and fourth seal groove have been seted up on the inner wall of seal cover main part in proper order, the seal cover main part is close to the locking groove has been seted up on the one end outer wall of fourth seal groove, the seal cover main part locking groove one end is installed sealed locking cap, the seal cover main part is provided with the external screw thread outward. The utility model discloses a be provided with four seal grooves in the seal cover main part of the rod seal spare of piston pump, wherein two seal grooves use a sealing washer, the quartic is sealed, two kinds of different sealing washers, multiple guarantee, the holistic leakproofness of effectual improvement piston pump, the locking groove has been seted up to the end position of seal cover main part, utilize with the cooperation of sealed locking cap taper pipe screw thread, ensure the leakproofness of being connected between seal cover main part and the piston rod, life that can effectual extension sealing member.
Description
Technical Field
The utility model belongs to the technical field of the piston pump is relevant, specifically speaking relates to the pole sealing member of piston pump.
Background
The piston pump can be structurally divided into a single cylinder and a plurality of cylinders, is characterized by high lift, is mainly used for conveying oil emulsion without solid particles at normal temperature and the like, and can also convey high-temperature tar, slime, high-concentration mortar, high-viscosity liquid and the like according to different structural materials. Piston pump is when carrying out mechanical assembly, and is higher to the requirement of junction to ensure the interior encapsulated situation of pump, traditional piston pump's pole sealing member is mostly sealing washer, sealed pad etc. and sealed effect is not good, and life is short, needs the periodic replacement sealing member, and is very troublesome.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming prior art's not enough, provides the pole sealing member of piston pump, for solving above-mentioned technical problem, the utility model discloses a technical scheme's basic concept is:
the rod sealing element of the piston pump comprises a sealing sleeve main body and a sealing locking cap, wherein a first sealing groove, a second sealing groove, a third sealing groove and a fourth sealing groove are sequentially formed in the inner wall of the sealing sleeve main body, the sealing sleeve main body is close to a locking groove is formed in the outer wall of one end of the fourth sealing groove, one end of the locking groove is installed on the sealing sleeve main body, an external thread is arranged outside the sealing sleeve main body, and an internal thread is arranged in the sealing locking cap.
As a further aspect of the present invention: the one end inner wall of first seal groove has seted up the cooperation keyway, the cooperation keyway is used for injecing the cooperation installation of seal cover main part and piston pump inner piston rod, it is flat to be provided with the cubic chucking on the outer wall of sealed locking cap, and the assembly installation is carried out to instruments such as convenient to use spanners.
As the utility model discloses further scheme again: six locking grooves are formed in the locking groove, the root of the locking groove is of a circular arc-shaped structure, the overall structural strength of the seal sleeve main body is guaranteed, the width of the locking groove from the root to the outer side is increased continuously, the internal thread is composed of straight pipe threads and taper pipe threads, and the seal sleeve main body and the seal locking cap are convenient to install in a matched mode.
As a further aspect of the present invention: first seal groove with install seal ring in the second seal groove, be provided with the open end on the seal ring, open structure design, the installation of being convenient for, the third seal groove with install the self-interacting sealing washer in the fourth seal groove, the self-interacting sealing washer comprises three combination chucking board.
As the utility model discloses further scheme again: the combined clamping plate is characterized in that an open slot is formed in the middle of the inner ring of the combined clamping plate, a clamping table is arranged at one end of the combined clamping plate, a matching surface is arranged at the other end of the combined clamping plate, and the matching surface is matched with the clamping table, so that the combined clamping plate is convenient to assemble and install.
As a further aspect of the present invention: the combined clamping plate is characterized in that a clamping groove is formed in the arc-shaped inner wall of the combined clamping plate, a sealing rubber ring is installed in the clamping groove, and the combined assembly of the combined clamping plate can clamp and seal the sealing rubber ring and a piston rod of the piston pump.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.
The utility model discloses a be provided with four seal grooves in piston pump's rod seal spare's the seal cover main part, wherein two seal grooves use a sealing washer, and the quartic is sealed, two kinds of different sealing washers, multiple guarantee, the holistic leakproofness of effectual improvement piston pump.
The utility model discloses a locking groove has been seted up to the end position of seal cover main part, utilizes and seals the cooperation of locking cap taper pipe screw thread, ensures the leakproofness of being connected between seal cover main part and the piston rod, life that can effectual extension sealing member.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
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 application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a main sectional view of the present invention;
fig. 3 is a schematic view of a sealing gasket of the present invention;
fig. 4 is a schematic view of the self-adjusting sealing ring of the present invention;
fig. 5 is a schematic view of the installation of the sealing rubber ring of the present invention.
In the figure: 1-a seal cartridge body; 2-external thread; 3-locking the groove; 4-sealing the locking cap; 5-clamping and flattening the square; 6-internal thread; 7-matching key grooves; 8-a first seal groove; 9-a second seal groove; 10-a third seal groove; 11-a fourth seal groove; 12-straight pipe threading; 13-taper pipe thread; 14-a sealing gasket; 15-open end; 16-a self-adjusting sealing ring; 17-a combined clamping plate; 18-open slots; 19-a clamping table; 20-a mating face; 21-card slot; 22-sealing rubber ring.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
As shown in fig. 1 to 5, the rod sealing member of piston pump, including seal cover main part 1 and sealed locking cap 4, first seal groove 8 has been seted up on the inner wall of seal cover main part 1 in proper order, second seal groove 9, third seal groove 10 and fourth seal groove 11, locking groove 3 has been seted up on the one end outer wall that seal cover main part 1 is close to fourth seal groove 11, sealed locking cap 4 is installed to 3 one end in the locking groove of seal cover main part 1, seal cover main part 1 is provided with external screw thread 2 outward, be provided with internal thread 6 in the sealed locking cap 4, install the sealing washer of two kinds of differences in the four seal grooves, multiple guarantee, the holistic leakproofness of effectual improvement piston pump.
Wherein, seted up cooperation keyway 7 on the one end inner wall of first seal groove 8, cooperation keyway 7 is used for prescribing a limit to the cooperation installation of seal cover main part 1 and piston pump inner piston rod, is provided with the flat 5 of cubic chucking on the outer wall of sealed locking cap 4, and the use of being convenient for tools such as spanner assemble the installation.
Six have been seted up to locking groove 3, and the root in locking groove 3 is convex structure, guarantees the holistic structural strength of seal cover main part 1, and locking groove 3 is from the root to the continuous increase of outside groove width, and internal thread 6 comprises straight tube screw thread 12 and taper pipe screw thread 13, the cooperation installation of the seal cover main part 1 of being convenient for and sealed locking cap 4.
An open slot 18 is arranged in the middle of the inner ring of the combined clamping plate 17, a clamping platform 19 is arranged at one end of the combined clamping plate 17, a matching surface 20 is arranged at the other end of the combined clamping plate 17, and the matching surface 20 and the clamping platform 19 are matched with each other, so that the three combined clamping plates 17 can be assembled and installed conveniently.
The arc inner wall of the combined clamping plate 17 is provided with a clamping groove 21, a sealing rubber ring 22 is installed in the clamping groove 21, and the combined assembly of the combined clamping plate 17 can clamp and seal the sealing rubber ring 22 and a piston rod of the piston pump.
The utility model discloses a theory of operation is: installing a sealing washer 14 in a first sealing groove 8 and a second sealing groove 9, combining a combined clamping plate 17 into a self-adjusting sealing ring 16, installing a sealing rubber ring 22 in a clamping groove 21 of the self-adjusting sealing ring 16, then sleeving a sealing sleeve main body 1 on a piston rod of a piston pump, installing a connecting key in a matching key groove 7 for assembly positioning, avoiding relative rotation between the sealing sleeve main body 1 and the piston rod, sleeving a sealing locking cap 4 at one end of the sealing sleeve main body 1 provided with a locking groove 3, fixedly assembling by utilizing the matching of an internal thread 6 and an external thread 2, matching the end of a straight pipe thread 12 of the internal thread 6 with the external thread 2, starting to match a taper pipe thread 13 with the external thread 2 along with the increase of the matching length of the threads, compressing the locking groove 3 by external force in the matching process, further compressing the self-adjusting sealing ring 16, and ensuring the sealing state of the sealing sleeve main body 1 and the piston rod, when the sealing gasket is used for a period of time, the opening groove 18 in the combined clamping plate 17 can automatically rebound and reset after being abraded, the sealing rubber ring 22 is effectively compressed, the service life of the sealing element can be effectively prolonged, and the maintenance cost is reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (6)
1. Rod seal spare of piston pump, including seal cover main part (1) and sealed locking cap (4), its characterized in that, first seal groove (8), second seal groove (9), third seal groove (10) and fourth seal groove (11) have been seted up on the inner wall of seal cover main part (1) in proper order, seal cover main part (1) is close to locking groove (3) have been seted up on the one end outer wall of fourth seal groove (11), seal cover main part (1) locking groove (3) one end is installed sealed locking cap (4), seal cover main part (1) is provided with external screw thread (2) outward, be provided with internal thread (6) in sealed locking cap (4).
2. The rod seal of a piston pump according to claim 1, characterized in that a matching key groove (7) is formed on the inner wall of one end of the first seal groove (8), and a square clamping flat (5) is arranged on the outer wall of the seal locking cap (4).
3. The rod seal of a piston pump according to claim 1, characterized in that six locking grooves (3) are provided, the root of each locking groove (3) is of a circular arc-shaped structure, the width of each locking groove (3) from the root to the outer side is continuously increased, and the internal thread (6) comprises a straight pipe thread (12) and a taper pipe thread (13).
4. Rod seal of a piston pump according to claim 1, characterized in that sealing gaskets (14) are installed in the first sealing groove (8) and the second sealing groove (9), an open end (15) is provided on the sealing gasket (14), self-adjusting sealing rings (16) are installed in the third sealing groove (10) and the fourth sealing groove (11), and the self-adjusting sealing rings (16) are composed of three combined clamping plates (17).
5. The rod seal of a piston pump according to claim 4, characterized in that an open slot (18) is formed in the middle of the inner ring of the combined clamping plate (17), a clamping table (19) is arranged at one end of the combined clamping plate (17), a matching surface (20) is arranged at the other end of the combined clamping plate (17), and the matching surface (20) and the clamping table (19) are matched with each other.
6. The rod seal of a piston pump according to claim 5, characterized in that the arc-shaped inner wall of the combined clamping plate (17) is provided with a clamping groove (21), and a sealing rubber ring (22) is arranged in the clamping groove (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220431761.2U CN217234382U (en) | 2022-03-01 | 2022-03-01 | Rod seal for piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220431761.2U CN217234382U (en) | 2022-03-01 | 2022-03-01 | Rod seal for piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217234382U true CN217234382U (en) | 2022-08-19 |
Family
ID=82841009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220431761.2U Active CN217234382U (en) | 2022-03-01 | 2022-03-01 | Rod seal for piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217234382U (en) |
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2022
- 2022-03-01 CN CN202220431761.2U patent/CN217234382U/en active Active
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