CN215258513U - High-strength sealing plug - Google Patents

High-strength sealing plug Download PDF

Info

Publication number
CN215258513U
CN215258513U CN202121581062.8U CN202121581062U CN215258513U CN 215258513 U CN215258513 U CN 215258513U CN 202121581062 U CN202121581062 U CN 202121581062U CN 215258513 U CN215258513 U CN 215258513U
Authority
CN
China
Prior art keywords
sealing
sealing element
strength
plug
right end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121581062.8U
Other languages
Chinese (zh)
Inventor
王培新
洪勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wenling Hongsheng Copper Industry Co ltd
Original Assignee
Wenling Hongsheng Copper Industry Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wenling Hongsheng Copper Industry Co ltd filed Critical Wenling Hongsheng Copper Industry Co ltd
Priority to CN202121581062.8U priority Critical patent/CN215258513U/en
Application granted granted Critical
Publication of CN215258513U publication Critical patent/CN215258513U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Pipe Accessories (AREA)
  • Gasket Seals (AREA)

Abstract

The utility model provides a high strength seals end cap belongs to mechanical technical field. It has solved the current not good problem of end cap life-span. The high-strength sealing plug comprises a cylindrical body with openings at two ends, wherein a conical sealing surface is arranged on the outer wall of the left end of the body, and the diameter of the sealing surface is gradually increased from left to right; a straight rod-shaped sealing element which is coaxial with the body is arranged in the right end of the body, an external thread is arranged on the sealing element, and an internal thread which is meshed with the external thread is arranged on the body; the right end of the sealing element is closed, and extends out of the body; the inner side wall of the body is provided with an annular supporting surface which is coaxial with the body, the left end of the sealing element is provided with an annular abutting surface which is matched with the supporting surface, the abutting surface is positioned between the supporting surface and the external thread, and the abutting surface is tightly pressed on the supporting surface to form sealing; the body and the seal are both made of brass material. The high-strength sealing plug has long service life.

Description

High-strength sealing plug
Technical Field
The utility model relates to a sealed end cap, especially a sealed end cap of high strength.
Background
The plug is generally a pipe cap, also called a seal head, a plug, a cover head, a pipe cover and a choke plug, and is arranged at the end part of a pipe fitting for sealing the pipeline.
The existing plug for plugging the copper pipe is generally made of rubber, when the plug is used, the rubber plug is inserted into the end part of the copper pipe, and the side wall of the rubber plug is in close contact with the inner wall of the end part of the copper pipe to form sealing, so that the sealing effect is achieved.
However, in actual use, the rubber plug is exposed outside for a long time and is easy to age, the elasticity of the rubber plug is affected, the side wall of the rubber plug is gradually separated from the inner wall of the copper pipe, and sealing failure is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a sealed end cap of long-lived high strength.
The purpose of the utility model can be realized by the following technical proposal: the high-strength sealing plug is characterized by comprising a cylindrical body with two open ends, wherein a conical sealing surface is arranged on the outer wall of the left end of the body, and the diameter of the sealing surface is gradually increased from left to right; a straight rod-shaped sealing element which is coaxial with the body is arranged in the right end of the body, an external thread is arranged on the sealing element, and an internal thread which is meshed with the external thread is arranged on the body; the right end of the sealing element is closed, and the right end of the sealing element extends out of the body; the inner side wall of the body is provided with an annular supporting surface which is coaxial with the body, the left end of the sealing element is provided with an annular abutting surface which is matched with the supporting surface, the abutting surface is positioned between the supporting surface and the external thread, and the abutting surface is tightly pressed on the supporting surface to form sealing; the body and the seal are both made of brass material.
The plug is mainly used for sealing a brass pipe fitting, and a conical surface matched with a sealing surface is arranged in the brass pipe fitting; when the plug is used, the left end of the body is inserted into the brass pipe fitting, the sealing surface is tightly pressed on the conical surface to realize hard sealing, then the outer end of the sealing element is rotated, and the body has the tendency of moving left by utilizing the matching of the abutting surface and the supporting surface, so that the sealing surface and the conical surface are more tightly matched to strengthen the plugging effect of the plug.
The body and the sealing element are made of brass materials, and the plug has strong hardness and compressive property on the premise of ensuring the sealing property, so that the service life of the plug is prolonged, and the plugging effect of the plug is prolonged.
In the high-strength sealing plug, the supporting surface is in a conical shape with the diameter gradually increasing from left to right, and the abutting surface is in a conical shape matched with the supporting surface and is arranged on the outer side wall of the sealing element. The supporting surface and the abutting surface are in the conical shape matched with each other, so that the reliability of plugging the inner hole of the body by the sealing element can be improved, the coaxiality of the body and the sealing element can be improved, the sealing element can be rotated to be accurately converted into the body to move leftwards when the sealing device is installed, and the sealing performance of the plug can be further improved.
As another scheme, in the high-strength sealing plug, the support surface is a plane, and the left end surface of the sealing member is the abutting surface.
In the high-strength sealing plug, the sealing element is provided with the blind hole which is arranged along the axial direction of the sealing element, and the orifice of the blind hole is positioned on the left end face of the sealing element, so that the weight of the plug can be reduced, and materials can be saved.
In the high-strength sealing plug, the annular convex shoulder is integrally formed on the side wall of the right end of the sealing element, and the right end faces of the annular convex shoulder and the sealing element are flush, so that the area of the sealing element outside the body is increased, an operator can rotate the sealing element conveniently, and the assembly is facilitated.
In the high-strength sealing plug, the annular shoulder is annular.
In foretell high strength seals end cap, integrated into one piece has on the body middle part lateral wall to be annular spacing portion, and spacing portion and body are coaxial for inject the length that the body inserted the brass pipe spare, convenient equipment.
In the high-strength sealing plug, the middle part of the inner side of the right end face of the sealing element is provided with the concave cavity with the circular arc-shaped cross section, so that fluid can be buffered, the impact of the fluid on the sealing element is reduced, the sealing effect of the plug is improved, and meanwhile, materials are saved and the cost is reduced on the premise of ensuring the strength of the right end face of the sealing element.
Compared with the prior art, the high-strength sealing plug has the following advantages:
1. when the plug is used, the left end of the body is inserted into the brass pipe fitting, the sealing surface is tightly pressed on the conical surface of the brass pipe fitting to realize hard sealing, then the outer end of the sealing element is rotated, and the body has the tendency of moving left by matching the abutting surface and the supporting surface, so that the sealing surface and the conical surface are more tightly matched to strengthen the plug plugging effect.
2. The body and the sealing element are made of brass materials, and the plug has strong hardness and compressive property on the premise of ensuring the sealing property, so that the service life of the plug is prolonged, and the plugging effect of the plug is prolonged.
3. The sealing piece can improve the sealing strength of the plug and is also used for plugging the inner hole of the plug, namely the sealing piece has the dual-purpose effect of one object, and the structure is simplified.
Drawings
Fig. 1 is a schematic structural diagram of the high-strength sealing plug.
Fig. 2 is a schematic structural view of the body.
Fig. 3 is a schematic view of the structure of the sealing member.
In the figure, 1, a body; 1a, a sealing surface; 1b, a limiting part; 1c, internal threads; 1d, a support surface; 2. a seal member; 2a, blind holes; 2b, external threads; 2c, pressing surface; 2d, an annular shoulder; 2e, the cavity.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in figure 1, the high-strength sealing plug consists of a body 1 and a sealing element 2, wherein the body 1 and the sealing element 2 are both made of brass materials.
Wherein,
the body 1 is cylindrical and has openings at both ends, and the outer wall at the left end of the body 1 is provided with a cone
And the diameter of the sealing surface 1a is gradually increased from left to right. The middle part of the body 1
An annular limiting part 1b is integrally formed on the outer side wall, and the limiting part 1b and the body 1
And (4) coaxial.
A sealing member 2 is arranged in the right end of the body 1, and the sealing member 2 is in a straight rod shape and is coaxial with the body 1. The right end of the sealing element 2 is closed, and the right end of the sealing element 2 extends out of the body 1. The sealing element 2 is provided with a blind hole 2a arranged along the axial direction of the sealing element 2, and the hole opening of the blind hole 2a is positioned on the left end surface of the sealing element 2, so that the weight can be reduced, and the material can be saved. The blind hole 2a is preferably a circular hole. Be equipped with external screw thread 2b on the sealing member 2, be equipped with on the body 1 with external screw thread 2b complex internal thread 1c, and body 1 and sealing member 2 can dismantle the connection together through the meshing of internal thread 1c and external screw thread 2 b.
As shown in fig. 1, 2 and 3, an annular supporting surface 1d coaxial with the body 1 is arranged on the inner side wall of the body 1, a pressing surface 2c which is annular and matched with the supporting surface 1d is arranged at the left end of the sealing element 2, the pressing surface 2c is positioned between the supporting surface 1d and the external thread 2b, and the pressing surface 2c is tightly pressed on the supporting surface 1d to form sealing. In this embodiment, the supporting surface 1d is a cone whose diameter gradually increases from left to right, the pressing surface 2c is a cone matching with the supporting surface 1d, and the pressing surface 2c is disposed on the outer sidewall of the sealing member 2. The supporting surface 1d and the abutting surface 2c are mutually matched in conical shape, so that the reliability of plugging the inner hole of the body 1 by the sealing element 2 can be improved, the coaxiality of the body 1 and the sealing element 2 can be improved, the sealing element 2 can be accurately converted into the body 1 to move leftwards when the sealing device is installed, and the sealing performance of the plug can be further improved.
Further, an annular shoulder 2d is integrally formed on the side wall of the right end of the sealing element 2, and the right end faces of the annular shoulder 2d and the sealing element 2 are flush, so that the area of the sealing element 2 outside the body 1 is increased, an operator can rotate the sealing element 2 conveniently, and assembly is facilitated. The annular shoulder 2d is preferably annular; the middle part of the inner side of the right end face of the sealing element 2 is provided with a concave cavity 2e with a circular arc-shaped cross section, so that the fluid can be buffered, the impact of the fluid on the sealing element 2 is reduced, the sealing effect of the plug is improved, and meanwhile, the material is saved and the cost is reduced on the premise of ensuring the strength of the right end face of the sealing element 2.
The plug is mainly used for sealing a brass pipe, and a conical surface matched with the sealing surface 1a is arranged in the brass pipe; when the plug sealing device is used, the left end of the body 1 is inserted into a brass pipe fitting, the sealing surface 1a is tightly pressed on the conical surface of the brass pipe fitting to realize hard sealing, then the outer end of the sealing element 2 is rotated, and the body 1 has the trend of moving left by utilizing the matching of the abutting surface 2c and the supporting surface 1d, so that the sealing surface 1a and the conical surface are more tightly matched to enhance the plug sealing effect.
Example two
The structure and principle of the second embodiment are basically the same as those of the first embodiment, and different points are as follows: the supporting surface 1d is a plane, and the left end surface of the sealing member 2 is a pressing surface 2 c.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (8)

1. A high-strength sealing plug is characterized by comprising a cylindrical body (1) with two open ends, wherein a conical sealing surface (1a) is arranged on the outer wall of the left end of the body (1), and the diameter of the sealing surface (1a) is gradually increased from left to right; a straight rod-shaped sealing element (2) which is coaxial with the body (1) is arranged in the right end of the body (1), an external thread (2b) is arranged on the sealing element (2), and an internal thread (1c) which is meshed with the external thread (2b) is arranged on the body (1); the right end of the sealing element (2) is closed, and the right end of the sealing element (2) extends out of the body (1); the inner side wall of the body (1) is provided with an annular supporting surface (1d) which is coaxial with the body (1), the left end of the sealing element (2) is provided with an annular abutting surface (2c) which is matched with the supporting surface (1d), the abutting surface (2c) is positioned between the supporting surface (1d) and the external thread (2b), and the abutting surface (2c) is tightly pressed on the supporting surface (1d) to form sealing; the body (1) and the sealing element (2) are both made of brass material.
2. The high strength seal plug according to claim 1, wherein the support surface (1d) is tapered with a diameter gradually increasing from left to right, and the abutting surface (2c) is tapered to match the support surface (1d) and is disposed on the outer sidewall of the seal member (2).
3. The high-strength sealing plug according to claim 1, wherein the support surface (1d) is a flat surface, and the left end surface of the sealing member (2) is the above-mentioned abutting surface (2 c).
4. A high-strength sealing plug as claimed in claim 1, 2 or 3, wherein the sealing element (2) is provided with a blind hole (2a) arranged along the axial direction of the sealing element (2), and the opening of the blind hole (2a) is positioned on the left end face of the sealing element (2).
5. A high-strength sealing plug as claimed in claim 1, 2 or 3, wherein the right end wall of the sealing member (2) is integrally formed with an annular shoulder (2d), and the right end faces of the annular shoulder (2d) and the sealing member (2) are flush.
6. The high-strength sealing plug as claimed in claim 5, wherein the annular shoulder (2d) is annular.
7. The high-strength sealing plug according to claim 1, wherein the body (1) is integrally formed with a ring-shaped limiting portion (1b) on the outer side wall of the middle portion, and the limiting portion (1b) is coaxial with the body (1).
8. The high-strength sealing plug as claimed in claim 4, wherein the right end face of the sealing element (2) is provided with a concave cavity (2e) with a circular arc-shaped cross section at the middle of the inner side.
CN202121581062.8U 2021-07-12 2021-07-12 High-strength sealing plug Active CN215258513U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121581062.8U CN215258513U (en) 2021-07-12 2021-07-12 High-strength sealing plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121581062.8U CN215258513U (en) 2021-07-12 2021-07-12 High-strength sealing plug

Publications (1)

Publication Number Publication Date
CN215258513U true CN215258513U (en) 2021-12-21

Family

ID=79491363

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121581062.8U Active CN215258513U (en) 2021-07-12 2021-07-12 High-strength sealing plug

Country Status (1)

Country Link
CN (1) CN215258513U (en)

Similar Documents

Publication Publication Date Title
CN215258513U (en) High-strength sealing plug
CN213271447U (en) Ferrule type pipe joint combined structure
CN208146790U (en) A kind of copper pipe pipe reduction device
CN210715684U (en) Spring structure
CN210731596U (en) Hexagonal screwdriver structure
CN101893107B (en) Valve pocket positioning structure of multi-redundancy slide valve
CN209800929U (en) Flexible self-sealing floating interface device
CN213393958U (en) Threaded joint
CN210290759U (en) Clamping groove type dynamic sealing ring
CN102661396A (en) Novel valve core connecting sleeve mechanism for stop valve
CN108223933B (en) Pipeline connecting mechanism
CN205349273U (en) Novel coiled tubing use all -hydraulic drilling jar
CN212230688U (en) Sealing structure for cable connection
CN219712597U (en) Oil drainage hydraulic pipe fitting with cone clamping sleeve sealing structure
CN213271448U (en) Extrusion type pipe joint combined structure
CN217740318U (en) Glass fiber reinforced plastic dry type cable-penetrating transformer porcelain bushing structure
CN210565976U (en) High-pressure plug and floor spring applying same
CN211083171U (en) Connecting and sealing structure of pipe fitting
CN212154984U (en) High-sealing-performance carbon steel pipe of vaporizer
CN203627451U (en) Tubular shaft connector
CN213065009U (en) Medical equipment is connector for gas
CN221922004U (en) Sealing screw plug
CN218236147U (en) Static seal structure with floating end face
CN107988063B (en) Split type cell disruption structure
CN212564800U (en) Connection structure for SF6 gas connection pipeline

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant