CN218325583U - Composite plug screw for protecting oil port of hydraulic oil cylinder and hydraulic oil cylinder - Google Patents

Composite plug screw for protecting oil port of hydraulic oil cylinder and hydraulic oil cylinder Download PDF

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Publication number
CN218325583U
CN218325583U CN202222683463.5U CN202222683463U CN218325583U CN 218325583 U CN218325583 U CN 218325583U CN 202222683463 U CN202222683463 U CN 202222683463U CN 218325583 U CN218325583 U CN 218325583U
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CN
China
Prior art keywords
hydraulic
hydraulic oil
oil cylinder
screw plug
port
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Active
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CN202222683463.5U
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Chinese (zh)
Inventor
陈希
崔吉祥
孙朗朗
郭彦斌
张强
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Xuzhou XCMG Hydraulics Co Ltd
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Xuzhou XCMG Hydraulics Co Ltd
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Priority to CN202222683463.5U priority Critical patent/CN218325583U/en
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Abstract

The utility model discloses a compound plug screw and hydraulic cylinder for protection of hydraulic cylinder hydraulic fluid port collects plug screw, clamp plate, installation head in an organic whole, easily installs, installs the overhead outer tang that is equipped with, adds polyurethane pad on the hydraulic cylinder hydraulic fluid port, twists hydraulic fluid port screw thread back clamp plate with this compound plug screw and compresses tightly polyurethane pad, and polyurethane pad covers the hydraulic fluid port machined surface, prevents hydraulic fluid port machined surface contact oxygen and rusts. Meanwhile, the composite screw can effectively prevent oil in the hydraulic oil cylinder from leaking out after being screwed down.

Description

Composite plug screw for protecting hydraulic oil port of hydraulic oil cylinder and hydraulic oil cylinder
Technical Field
The utility model relates to a hydraulic cylinder technical field, concretely relates to compound plug screw for protection of hydraulic cylinder hydraulic fluid port.
Background
In the engineering machinery industry, a plug screw, a pressing plate, a combined pad, a polyurethane pad and the like are commonly used for protecting a hydraulic oil cylinder oil port in a combined mode, and the parts are installed in a serial mode to cause the oil port machining surface to rust on the one hand and influence the cleanliness of oil liquid of the hydraulic oil cylinder and on the other hand cause the oil liquid in the hydraulic oil cylinder to seep out to influence the coating quality and the polluted environment.
SUMMERY OF THE UTILITY MODEL
According to the not enough of prior art, the utility model provides a compound plug screw for hydraulic cylinder hydraulic fluid port protection prevents hydraulic fluid port machined surface contact oxygen and rusts on the one hand, and on the other hand can effectively avoid the fluid seepage in the hydraulic cylinder to come out.
The utility model discloses realize according to following technical scheme:
the utility model discloses a first aspect of a composite plug screw for protecting the oil port of a hydraulic oil cylinder, which comprises a plug screw, a pressing plate and an installing head; the screw plug, the pressing plate and the mounting head are integrally formed, wherein external threads on the screw plug are matched with internal threads of an oil port of the hydraulic oil cylinder for use; the pressing plate is used for pressing the sealing gasket, and the sealing gasket covers the processing surface of the hydraulic oil port; the mounting head rotates through a dismounting tool to realize dismounting of the composite screw plug.
In some embodiments, the mounting head is a cylindrical structure with an external spigot, and the external diameter of the cylindrical structure is the same as the external diameter of the pressure plate.
In some embodiments, two symmetrically arranged male end openings are provided on the mounting head.
In some embodiments, the gasket is a polyurethane gasket.
In some embodiments, the plug screw has an outer diameter dimension that is less than an outer diameter dimension of the pressure plate.
The utility model discloses the second aspect discloses a hydraulic cylinder installs foretell compound plug screw that is used for the hydraulic cylinder hydraulic fluid port to protect.
The utility model discloses beneficial effect:
the screw plug, the pressing plate and the mounting head are integrated into a composite screw plug, the processing is convenient, and the external spigot can be screwed only by using common pliers. In addition, the composite plug screw of integral type is easy to assemble, adds the polyurethane pad on the hydraulic cylinder hydraulic port, twists hydraulic port screw back clamp plate with this composite plug screw and compresses tightly the polyurethane pad, and the polyurethane pad covers the hydraulic port machined surface, prevents that hydraulic port machined surface from contacting oxygen and rustting. Meanwhile, the composite screw plug can effectively prevent oil in the hydraulic oil cylinder from leaking out after being screwed down.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, the illustrative embodiments and the description of the invention serve to explain the invention without unduly limiting 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 three-view diagram of the composite plug screw of the present invention (a is a front view, b is a side view, and c is a top view);
FIG. 2 is a perspective view of the composite screw plug of the present invention;
fig. 3 is an assembly view of the composite plug screw of the present invention.
The attached drawings are as follows: 1-screw plug, 2-pressing plate, 3-mounting head and 4-external spigot.
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 rather 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed 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 as a specific case by those skilled in the art.
In the engineering machinery industry, a screw plug, a pressing plate, a combined pad, a polyurethane pad and the like commonly used for protecting an oil port of a hydraulic oil cylinder are combined for use, and a plurality of parts are strung together to be installed with great trouble and effort, and the protection effect is not good, so that the efficiency is influenced. Therefore, as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a composite plug screw for protecting the oil port of a hydraulic oil cylinder, which comprises a plug screw 1, a pressure plate 2 and an installation head 3; the screw plug 1, the pressing plate 2 and the mounting head 3 are integrally formed and easy to mount, wherein external threads on the screw plug 1 are matched with internal threads of an oil port of the hydraulic oil cylinder; the pressing plate 2 is used for pressing a sealing gasket, and the sealing gasket covers the processing surface of the hydraulic oil port and prevents the processing surface of the hydraulic oil port from rusting due to oxygen contact; the mounting head 3 rotates through a dismounting tool to realize dismounting of the composite screw plug.
Further scheme: the mounting head 3 is a cylindrical structure with an external spigot 4, the external diameter of which is the same as that of the pressure plate.
Further scheme: the mounting head 3 is provided with two symmetrically arranged male end openings 4.
Further scheme: the sealing pad is a polyurethane pad.
Further scheme: the outer diameter of the screw plug 1 is smaller than that of the pressure plate.
From the above, the screw plug 1, the pressing plate 2 and the mounting head 3 are integrated into a composite screw plug, the processing is convenient, and the outer spigot 4 can be screwed only by using common pliers. In addition, the composite plug screw of integral type is easy to assemble, adds the polyurethane pad on the hydraulic cylinder hydraulic port, twists hydraulic port screw back clamp plate with this composite plug screw and compresses tightly the polyurethane pad, and the polyurethane pad covers the hydraulic port machined surface, prevents that hydraulic port machined surface from contacting oxygen and rustting. Meanwhile, the composite screw plug can effectively prevent oil in the hydraulic oil cylinder from leaking out after being screwed down.
The utility model also discloses a hydraulic cylinder installs foretell compound plug screw that is used for the hydraulic cylinder hydraulic fluid port protection.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can combine the technical solutions and technical problems to be solved by the present application.
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 modifications or changes to equivalent embodiments by utilizing the above technical contents 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 matters of the present invention are within the scope of the present invention.

Claims (6)

1. The utility model provides a compound plug screw for protection of hydraulic cylinder hydraulic fluid port which characterized in that:
comprises a screw plug, a pressure plate and a mounting head;
the screw plug, the pressing plate and the mounting head are integrally formed, wherein external threads on the screw plug are matched with internal threads of an oil port of the hydraulic oil cylinder for use; the pressing plate is used for pressing the sealing gasket, and the sealing gasket covers the processing surface of the hydraulic oil port; the mounting head rotates through a dismounting tool to realize dismounting of the composite screw plug.
2. The composite screw plug for protecting an oil port of a hydraulic oil cylinder according to claim 1, is characterized in that:
the mounting head is a cylindrical structure with an outer spigot, and the outer diameter of the cylindrical structure is the same as that of the pressing plate.
3. The compound screw plug for protecting an oil port of a hydraulic oil cylinder according to claim 2, which is characterized in that:
the mounting head is provided with two outer rabbets which are symmetrically arranged.
4. The composite screw plug for protecting an oil port of a hydraulic oil cylinder according to claim 1, is characterized in that:
the sealing gasket is a polyurethane gasket.
5. The composite screw plug for protecting an oil port of a hydraulic oil cylinder according to claim 1, is characterized in that:
the outer diameter of the screw plug is smaller than that of the pressing plate.
6. A hydraulic cylinder, its characterized in that:
a composite screw plug for protecting an oil port of a hydraulic oil cylinder is mounted on the hydraulic oil cylinder as claimed in any one of claims 1 to 5.
CN202222683463.5U 2022-10-12 2022-10-12 Composite plug screw for protecting oil port of hydraulic oil cylinder and hydraulic oil cylinder Active CN218325583U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222683463.5U CN218325583U (en) 2022-10-12 2022-10-12 Composite plug screw for protecting oil port of hydraulic oil cylinder and hydraulic oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222683463.5U CN218325583U (en) 2022-10-12 2022-10-12 Composite plug screw for protecting oil port of hydraulic oil cylinder and hydraulic oil cylinder

Publications (1)

Publication Number Publication Date
CN218325583U true CN218325583U (en) 2023-01-17

Family

ID=84823742

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222683463.5U Active CN218325583U (en) 2022-10-12 2022-10-12 Composite plug screw for protecting oil port of hydraulic oil cylinder and hydraulic oil cylinder

Country Status (1)

Country Link
CN (1) CN218325583U (en)

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