CN214787954U - Plunger assembly structure - Google Patents
Plunger assembly structure Download PDFInfo
- Publication number
- CN214787954U CN214787954U CN202120043247.7U CN202120043247U CN214787954U CN 214787954 U CN214787954 U CN 214787954U CN 202120043247 U CN202120043247 U CN 202120043247U CN 214787954 U CN214787954 U CN 214787954U
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- CN
- China
- Prior art keywords
- plunger
- pressing sleeve
- plunger piston
- ring
- joint
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Abstract
The utility model relates to an industry washs the field, and operating modes such as metallurgy, chemical industry, oil, electricity generation, coal, shipbuilding are exclusively used in to this product, especially relate to a plunger subassembly structure. A plunger assembly structure, characterized by: the plunger piston is a cylinder, and the plunger piston joint is provided with a connecting part. The utility model has the advantages that: the plunger piston is composed of a plunger piston, a plunger piston joint, a pressing sleeve and a locking nut, the spherical pressing sleeve is connected with the plunger piston joint in a point contact mode, the relative position of the plunger piston can be adjusted in a small-range rotating mode in the reciprocating motion of the plunger piston, the service life of equipment is prolonged, and the installation difficulty of the equipment is reduced.
Description
Technical Field
The utility model relates to an industry washs the field, and operating modes such as metallurgy, chemical industry, oil, electricity generation, coal, shipbuilding are exclusively used in to this product, especially relate to a plunger subassembly structure.
Background
The plunger assembly reciprocates during actual operation, and is required not to be in contact with sealing press sleeve parts, and the plunger joint and the plunger press sleeve of the original structure are in plane-to-plane contact. The installation position of the plunger is required to be adjusted during assembly, the positioning position is not well found, and the situation that the plunger is abraded in work can occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a plunger subassembly structure.
The utility model discloses a realize through following technical scheme:
a plunger assembly structure, characterized by: the plunger piston comprises a plunger piston, a plunger piston joint, a pressing sleeve and a locking nut, wherein the plunger piston is a cylinder, the plunger piston joint is provided with a connecting part, the connecting part is a cylinder, the outer edge of the connecting part is provided with an external thread, the connecting part is provided with an inserting groove, the inserting groove comprises a first part and a second part, the first part is positioned at the inner side of the inserting groove, the second part is positioned at the outer side of the inserting groove, the first part and the second part are both cylindrical grooves, the diameter of the first part is smaller than that of the second part, the pressing sleeve is a cylinder, the outer edge of the pressing sleeve is provided with a convex ring, one end of the pressing sleeve is provided with a connecting hole, the other end of the pressing sleeve is a spherical surface, the locking nut comprises a round pipe and a baffle ring, the inner side of the round pipe is provided with an internal thread, one end of the round pipe is provided with a baffle ring, the baffle ring is provided with a limiting groove, the plunger piston is inserted into the connecting hole of the pressing sleeve, the spherical end of the pressing sleeve is inserted into the first part of the inserting groove, the convex ring of the pressing sleeve is inserted into the second part of the inserting groove, the internal thread of the round pipe and is connected with the external thread of the plunger piston joint, the plunger and the pressing sleeve penetrate through the through hole of the baffle ring, and the convex ring is inserted into the limiting groove of the baffle ring.
According to the technical scheme, preferably, a buffer ring is arranged in the limiting groove, and the convex ring is abutted to the buffer ring.
According to above-mentioned technical scheme, preferably, the pressure cover is equipped with the through-hole, and the first portion of slot and spherical surface are communicate to the through-hole.
The utility model has the advantages that: the plunger piston is composed of a plunger piston, a plunger piston joint, a pressing sleeve and a locking nut, the spherical pressing sleeve is connected with the plunger piston joint in a point contact mode, the relative position of the plunger piston can be adjusted in a small-range rotating mode in the reciprocating motion of the plunger piston, the service life of equipment is prolonged, and the installation difficulty of the equipment is reduced.
Drawings
Fig. 1 shows a schematic front view structure diagram of an embodiment of the present invention.
In the figure: 1. the plunger comprises a plunger body, 2 plunger joints, 3 a pressing sleeve, 4 a locking nut, 5 a connecting part, 6 a first part, 7 a second part, 8 a convex ring, 9 a spherical surface, 10 a circular tube, 11 a retaining ring and 12 a buffer ring.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the utility model relates to a plunger subassembly structure, including plunger 1, plunger joint 2, press cover 3 and locking female 4, press cover and plunger fixed connection, the female messenger of locking presses cover and plunger joint fixed connection.
The plunger is a cylinder, and the plunger connector is provided with a connecting part 5 which is used for connecting the pressing sleeve and the locking nut. The connecting portion is the cylinder, and the outer fringe of connecting portion is equipped with the external screw thread, and the external screw thread is used for connecting the locking mother. The connecting part is provided with a slot which is used for connecting the pressing sleeve. The socket comprises a first part 6 and a second part 7, wherein the first part is used for connecting the spherical end of the pressing sleeve, and the second part is used for connecting the convex ring of the pressing sleeve. The first portion is located the slot inboard, and the second portion is located the slot outside, and first portion and second portion are cylindrical recess, and the diameter of first portion is less than the diameter of second portion.
The pressing sleeve is a cylinder, a convex ring 8 is arranged on the outer edge of the pressing sleeve and used for limiting the axial movement of the pressing sleeve, a connecting hole is formed in one end of the pressing sleeve and used for connecting a plunger, a spherical surface 9 is arranged at the other end of the pressing sleeve, and the spherical surface is in contact with a plunger connector.
The locking nut comprises a round pipe 10 and a retaining ring 11, the round pipe is used for connecting the plunger joint, and the retaining ring is used for limiting the axial movement of the convex ring. The inboard of pipe is equipped with the internal thread, and the external screw thread that the internal thread is used for connecting the plunger to connect. One end of the round pipe is provided with a baffle ring, the baffle ring is provided with a limiting groove, and the limiting groove is used for accommodating the convex ring and penetrating the plunger and the pressing sleeve.
The plunger inserts in the connecting hole of pressing the cover, and the spherical end of pressing the cover inserts the first portion of slot, and the bulge loop of pressing the cover inserts the second portion of slot, and the internal thread of pipe and the external screw thread connection that the plunger connects, and the plunger passes the through-hole of fender ring with pressing the cover, and the bulge loop inserts in the spacing groove of fender ring.
The working principle of the embodiment is as follows: the plunger is inserted into the connecting hole of the pressing sleeve, so that the plunger is fixedly connected with the pressing sleeve. The spherical end of the pressing sleeve is inserted into the first part of the slot, so that the plunger and the plunger joint are contacted through the spherical surface. The convex ring of the pressing sleeve is inserted into the second part of the slot, the circular tube is connected with the plunger connector through threads, the plunger and the pressing sleeve penetrate through the through hole of the retaining ring, and the convex ring is inserted into the limiting groove of the retaining ring. The radial direction of the pressing sleeve is limited by the slot, and the axial direction of the convex ring is limited by the end faces of the retaining ring and the second part of the slot.
According to the above embodiment, preferably, a buffer ring 12 is provided in the limit groove, and the convex ring abuts against the buffer ring, and the buffer ring is used for reducing abrasion.
According to the above embodiment, preferably, the press sleeve is provided with a through hole communicating the socket first portion and the spherical surface.
The utility model has the advantages that: the plunger piston is composed of a plunger piston, a plunger piston joint, a pressing sleeve and a locking nut, the spherical pressing sleeve is connected with the plunger piston joint in a point contact mode, the relative position of the plunger piston can be adjusted in a small-range rotating mode in the reciprocating motion of the plunger piston, the service life of equipment is prolonged, and the installation difficulty of the equipment is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A plunger assembly structure, characterized by: the plunger piston comprises a plunger piston, a plunger piston joint, a pressing sleeve and a locking nut, wherein the plunger piston is a cylinder, the plunger piston joint is provided with a connecting part, the connecting part is a cylinder, the outer edge of the connecting part is provided with an external thread, the connecting part is provided with an inserting groove, the inserting groove comprises a first part and a second part, the first part is positioned at the inner side of the inserting groove, the second part is positioned at the outer side of the inserting groove, the first part and the second part are both cylindrical grooves, the diameter of the first part is smaller than that of the second part, the pressing sleeve is a cylinder, the outer edge of the pressing sleeve is provided with a convex ring, one end of the pressing sleeve is provided with a connecting hole, the other end of the pressing sleeve is a spherical surface, the locking nut comprises a round pipe and a baffle ring, the inner side of the round pipe is provided with an internal thread, one end of the round pipe is provided with a baffle ring, the baffle ring is provided with a limiting groove, the plunger piston is inserted into the connecting hole of the pressing sleeve, the spherical end of the pressing sleeve is inserted into the first part of the inserting groove, the convex ring of the pressing sleeve is inserted into the second part of the inserting groove, the internal thread of the round pipe and is connected with the external thread of the plunger piston joint, the plunger and the pressing sleeve penetrate through the through hole of the baffle ring, and the convex ring is inserted into the limiting groove of the baffle ring.
2. A plunger assembly structure, as claimed in claim 1, wherein: the limit groove is internally provided with a buffer ring, and the convex ring is abutted against the buffer ring.
3. A plunger assembly structure, as claimed in claim 1, wherein: the pressure sleeve is provided with a through hole which is communicated with the first part of the slot and the spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120043247.7U CN214787954U (en) | 2021-01-08 | 2021-01-08 | Plunger assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120043247.7U CN214787954U (en) | 2021-01-08 | 2021-01-08 | Plunger assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787954U true CN214787954U (en) | 2021-11-19 |
Family
ID=78746718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120043247.7U Active CN214787954U (en) | 2021-01-08 | 2021-01-08 | Plunger assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787954U (en) |
-
2021
- 2021-01-08 CN CN202120043247.7U patent/CN214787954U/en active Active
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| GR01 | Patent grant |