High-pressure sealing plug

By introducing an adjustable tensioning mechanism and an arc-shaped clamp into the high-pressure sealing plug, the problem of the lack of adjustment structure in the sealing plug is solved, thereby expanding the applicable range of the sealing plug and improving the sealing effect.

CN223740006UActive Publication Date: 2025-12-30EASY FLUID CONTROL (SUZHOU) CO LTD
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Patent Information

Application Number
CN202520470176.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2025-12-30
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

The existing high-pressure sealing plugs lack auxiliary adjustment structures, resulting in a limited sealing range.

Method used

By employing an arc-shaped plug and connecting block, and through the design of an adjustable tensioning mechanism and an arc-shaped clamping rod, the size of the sealing plug can be adjusted according to the inner diameter of the process orifice, thereby enhancing the sealing effect.

Benefits of technology

It improves the applicability and sealing effect of the sealing plug, prevents the screw from falling off, and provides guiding and limiting functions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of hydraulic element sealing, and particularly relates to a high-pressure sealing plug, which comprises an arc-shaped plug and a connecting block, the connecting block is fixedly connected with one end of the arc-shaped plug, a screw rod is rotatably inserted in the connecting block, one end of the screw rod is fixedly connected with a knob, and the knob is fixedly connected with the arc-shaped plug. One end of the screw knob penetrates through the arc-shaped plug and extends inwards, the extending end of the screw is sleeved with a threaded sleeve in a threaded mode, the outer portion of the threaded sleeve is in a wedge shape, and a wedge-shaped groove corresponding to the threaded sleeve is formed in the arc-shaped plug. Through the arrangement of the adjustable tensioning mechanism, the size of the sealing plug can be correspondingly adjusted according to the inner diameter of a process orifice, and therefore the application range of the sealing plug is effectively widened.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic element sealing technical field especially relates to a high pressure sealing plug. BACKGROUND

[0002] In the field of hydraulic element manufacturing, it is often necessary to make process holes to realize the communication between different holes, and the process hole is usually plugged after the hole communication; the sealing structure widely used in the field at present includes conical screw plug and screw plug of other structures, and the screw plug of the two structures can meet the general sealing requirements.

[0003] However, the existing high pressure sealing plug has a simple structure, and lacks certain auxiliary adjusting structure on the sealing plug, thereby affecting the application range of the sealing plug. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high pressure sealing plug to solve the problem of lacking certain auxiliary adjusting structure on the sealing plug in the background art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A high pressure sealing plug, including arc plug and connecting block, the connecting block is fixedly connected with one end of arc plug, the screw rod is rotatably inserted in the connecting block, one end of the screw rod is fixedly connected with the knob, one end of the screw rod knob penetrates the arc plug and extends inward, the one end of the screw rod extension is screwed with the thread sleeve, the outside of the thread sleeve is wedge-shaped, the arc plug is equipped with the wedge-shaped groove corresponding with the thread sleeve.

[0007] Preferably, the arc plug is fixedly sleeved with a guide sleeve away from the connecting block.

[0008] Preferably, one end of the screw rod in the thread sleeve is fixedly connected with a limiting block.

[0009] Preferably, one end of the thread sleeve away from the screw rod is fixedly connected with a positioning rod, and the arc plug is provided with a positioning groove corresponding to the positioning rod.

[0010] Preferably, the knob is provided with a hexagonal insertion slot away from the screw rod.

[0011] Preferably, the connecting block is rotatably connected with an arc clamping rod through a rotating shaft, and the knob is provided with a plurality of clamping grooves corresponding to the arc clamping rod.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model discloses a adjustable tensioning mechanism is set, the size of the sealing plug can be adjusted according to the process orifice inner diameter, thereby effectively improve the application range of sealing plug;

[0014] 2. The utility model discloses the setting of arc clamping lever can be fixed to knob, and the limiting block can prevent the screw rod from falling off from the thread sleeve, and the setting of the positioning rod can support and guide the thread sleeve, and the guide sleeve can guide and limit the arc plug. DRAWINGS

[0015] Fig. 1 The utility model provides a high -pressure sealing plug's structural diagram is shown to the utility model;

[0016] Fig. 2 The utility model provides a high -pressure sealing plug's structural diagram is shown to the utility model.

[0017] In the drawing: 1 arc plug, 2 connecting block, 3 screw rod, 4 knob, 5 thread sleeve, 6 guide sleeve, 7 limiting block, 8 positioning rod, 9 hexagonal slot, 10 rotating shaft, 11 arc clamping lever. SPECIFIC EMBODIMENTS

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0019] Referring to Figs. 1-2 A high-pressure sealing plug, comprising an arc plug 1 and a connecting block 2, the connecting block 2 is fixedly connected with one end of the arc plug 1, a guide sleeve 6 is fixedly sleeved at the end of the arc plug 1 away from the connecting block 2, playing a guiding and limiting role, a screw rod 3 is rotatably inserted in the connecting block 2, one end of the screw rod 3 is fixedly connected with a knob 4, used for driving the screw rod 3 to rotate;

[0020] In this embodiment, the arc clamping lever 11 is rotatably connected to the connecting block 2 through the rotating shaft 10, a plurality of clamping grooves corresponding to the arc clamping lever 11 are arranged around the knob 4, used for fixing the knob 4, a hexagonal slot 9 is arranged on the side of the knob 4 away from the screw rod 3, facilitating the rotation of the knob 4;

[0021] In this embodiment, one end of the screw rod 3 knob 4 penetrates the arc plug 1 and extends inward, a thread sleeve 5 is threadedly sleeved at the end of the screw rod 3, used for expanding the inside of the arc plug 1, one end of the thread sleeve 5 away from the screw rod 3 is fixedly connected with a positioning rod 8;

[0022] In the embodiment, the arc-shaped plug 1 is provided with a positioning groove corresponding to the positioning rod 8, the outer part of the threaded sleeve 5 is wedge-shaped, the arc-shaped plug 1 is provided with a wedge-shaped groove corresponding to the threaded sleeve 5, and the end of the screw rod 3 located in the threaded sleeve 5 is fixedly connected with the limiting block 7 to prevent the screw rod 3 from falling out of the threaded sleeve 5.

[0023] In the embodiment, the arc-shaped plug 1 is first inserted into the process hole, then the knob 3 is rotated to drive the screw rod 2 to rotate, and the inside of the arc-shaped plug 1 is expanded through the cooperation of the threaded sleeve 4 and the wedge-shaped groove, so that the outside of the arc-shaped plug 1 is tightly attached to the inner wall of the process hole, and the sealing effect is guaranteed.

[0024] In the embodiment, the size of the sealing plug can be adjusted according to the inner diameter of the process hole through the adjustable tensioning mechanism, so that the application range of the sealing plug is effectively improved.

[0025] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A high-pressure sealing plug comprising an arc-shaped plug (1) and a connecting block (2), characterized in that: The connecting block (2) is fixedly connected with one end of the arc-shaped plug (1), a screw rod (3) is rotatably inserted in the connecting block (2), one end of the screw rod (3) is fixedly connected with a knob (4), one end of the knob (4) of the screw rod (3) penetrates through the arc-shaped plug (1) and extends inward, a threaded sleeve (5) is threadedly sleeved on the extended end of the screw rod (3), the outer portion of the threaded sleeve (5) is wedge-shaped, and the arc-shaped plug (1) is provided with a wedge-shaped groove corresponding to the threaded sleeve (5).

2. A high pressure seal according to claim 1, wherein: A guide sleeve (6) is fixedly sleeved on the end of the arc-shaped plug (1) away from the connecting block (2).

3. A high pressure seal according to claim 1, wherein: The end of the screw rod (3) located in the threaded sleeve (5) is fixedly connected with a limiting block (7).

4. A high pressure seal according to claim 1, wherein: The end of the threaded sleeve (5) away from the screw rod (3) is fixedly connected with a positioning rod (8), and the arc-shaped plug (1) is provided with a positioning groove corresponding to the positioning rod (8).

5. A high pressure seal according to claim 1, wherein: The side of the knob (4) away from the screw rod (3) is provided with a hexagonal insertion slot (9).

6. A high pressure seal according to claim 1, wherein: The arc-shaped clamping rod (11) is rotatably connected to the connecting block (2) through a rotating shaft (10), and a plurality of clamping grooves corresponding to the arc-shaped clamping rod (11) are circumjacent on the knob (4).