CN216843082U - Sealing thread structure - Google Patents
Sealing thread structure Download PDFInfo
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- CN216843082U CN216843082U CN202220315305.1U CN202220315305U CN216843082U CN 216843082 U CN216843082 U CN 216843082U CN 202220315305 U CN202220315305 U CN 202220315305U CN 216843082 U CN216843082 U CN 216843082U
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Abstract
The utility model relates to a sealed helicitic texture technical field specifically discloses a sealed helicitic texture, including be provided with the external screw thread part one, with the external screw thread adaptation and be provided with the internal thread hole part two, set up including the sealing member two of screw hole bottom and be connected with part one and pass the sealing member one that internal thread hole and sealing member two peg graft. The utility model discloses can effectual fastening and the sealed function of realization screw member, more traditional screw thread seal structure part is few, only needs two connection subject parts, and is with low costs, and it is more convenient to install.
Description
Technical Field
The utility model relates to a thread sealing connection structure technical field, more specifically say, relate to a sealed thread structure.
Background
Conventional threaded seal structures generally fall into two categories:
one is an elastic sealing: the sealing is realized by the filling action of the elastic sealing element between the joint separation bodies, the precision requirement on metal parts is low, and the sealing performance is reliable, but the applicable temperature and medium range is limited.
One is a rigid seal which relies on contact stress and contact tightness, the sealing performance relies on the smoothness of the contact area, such a seal structure requires an additional ferrule structure, the number of parts is large, the cost and the assembly difficulty are increased, and the leakage risk is increased by adding one part.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a sealed thread structure is provided.
The utility model provides a solution that technical problem adopted is:
a sealing thread structure comprises a first component with an external thread, a second component which is matched with the external thread and is provided with an internal thread hole, a second sealing element which is arranged at the bottom of the internal thread hole, and a first sealing element which is connected with the first component and penetrates through the internal thread hole to be connected with the second sealing element in an inserting mode.
When the locking is carried out, the connection between the first component and the second component is realized through the matching of the internal thread hole and the external thread; when the locking is continued, the first component and the second component move relative to the axis, so that the second sealing element and the first sealing element are inserted into each other, the force is continuously applied, the first sealing element and the second sealing element are extruded and deformed to abut against each other, and the first sealing element and the second sealing element form a sealing structure.
The utility model discloses can effectual fastening and the sealed function of realization screw member, more traditional screw thread seal structure part is few, only needs two connection subject parts, and is with low costs, and it is more convenient to install.
In some possible embodiments, the sealing performance is achieved for effective cooperation with the second sealing element;
the first sealing element comprises a first annular plug connector connected with one end of the part and an abutting part which is positioned in the first annular plug connector and connected with one end of the part; a first sealing groove is formed between the inner side of the annular plug connector and the outer side of the abutting connector.
In some possible embodiments, the first abutting member is in a sleeve shape and penetrates through the first annular plug connector, and the first sealing groove is in an annular structure.
In some possible embodiments, the sealing performance is achieved for an effective cooperation with the seal;
the second sealing element comprises a sealing groove communicated with the bottom of the internal threaded hole and a second plug connector installed in the sealing groove and connected with the second component; and the second plug connector is respectively abutted with the first annular plug connector and the abutting connector.
In some possible embodiments, the second plug connector is in a conical barrel shape and is coaxially arranged with the abutting part, the small end of the second plug connector is connected with the bottom of the sealing groove, and the large end of the second plug connector extends into the first sealing groove.
In some possible embodiments, in order to ensure that the abutting piece and the second plug-in piece can form a sealing structure after being deformed;
the inner diameter of the two small ends of the plug connector is larger than the outer diameter of the butting piece.
In some of the possible embodiments, the first and second,
the abutting part comprises a connecting part and an abutting part which are sequentially connected with one end of the component; the butt joint part is in smooth transition connection with the connecting part, and the size of the end face of one end, far away from the connecting section, of the butt joint part is smaller than the size of the cross section of the connecting section.
In some possible embodiments, in order to effectively ensure that the plug connector II can enter the sealing groove I;
the first sealing groove is annular, and the outer diameter of the opening end of the first sealing groove is larger than that of the bottom of the first sealing groove.
In some possible embodiments, in order to enable the abutment member to deform when pressed, the sealing structure is formed as soon as the abutment member abuts against the annular plug member;
the second plug connector is made of a sheet; the cross-section of the second connector clip is of a curved surface structure and comprises a first connecting section connected with the second sealing element, a first abutting section abutted against the inner side surface of the abutting part and a second abutting section abutted against the inner side surface of the annular connector clip, wherein the first connecting section, the first abutting section and the second abutting section are in circular arc transition connection.
In some possible embodiments, to further improve the sealing effect of the present invention;
and an elastic sealing element is filled between the bottom of the first sealing groove and the second plug connector.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses through setting up the grafting of sealing member one and sealing member two, when part one and part two are locked, sealing member one and sealing member two will squeeze each other and deform and butt and form seal structure, have realized effectively that can also have good sealing performance while adopting the helicitic texture to connect;
the sealing performance of the utility model is further improved by filling the elastic sealing element in the first sealing groove;
when the utility model is locked, the axial force formed by the second plug connector can play the role of screw thread anti-loosening while the second plug connector is extruded and deformed;
the utility model discloses compare with more traditional screw thread seal structure, only need two connecting body parts, it is with low costs, it is more convenient to install.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a three-dimensional schematic diagram of the present invention
FIG. 3 is a schematic view of a connection between a first component and a first sealing member according to the present invention;
FIG. 4 is a schematic cross-sectional view of a first component and a first sealing member of the present invention;
fig. 5 is a schematic structural view of a second sealing member of the present invention;
fig. 6 is a schematic cross-sectional structure view of a second sealing member of the present invention;
wherein: 1. a first component; 2. a second component; 3. a second sealing element; 31. a second plug connector; 32. a sealing groove; 4. a first sealing element; 41. a first annular plug connector; 42. an abutting member; 43. sealing the first groove; 5. an elastomeric seal.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of the associated object, which means that there may be three relationships, for example, one and/or two, which may mean: there are three cases, one alone, one and two together, and two alone.
In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in detail below.
As shown in fig. 1-6:
a sealing thread structure comprises a first component 1 with an external thread, a second component 2 matched with the external thread and provided with an internal thread hole, a second sealing element 3 arranged at the bottom of the internal thread hole, and a first sealing element 4 which is connected with the first component 1 and penetrates through the internal thread hole to be connected with the second sealing element 3 in an inserting mode.
When in locking, the connection between the first component 1 and the second component 2 is realized through the matching of the internal thread hole and the external thread; when the locking is continued, the first component 1 and the second component 2 move relative to the axis, so that the second sealing element 3 and the first sealing element 4 are inserted into each other, the first sealing element 4 and the second sealing element 3 are extruded and deformed to abut against each other by continuously applying force, and the first sealing element 4 and the second sealing element 3 form a sealing structure.
The utility model discloses can be effectual the fastening and the sealed function of realization screw member, less than traditional screw seal structure part, only need two connection subject parts, it is with low costs, it is more convenient to install.
In some possible embodiments, the sealing performance is realized for effectively cooperating with the second sealing element 3;
as shown in fig. 3 and 4, the first sealing element 4 comprises a first annular plug connector 41 connected with one end of the first part 1 extending into the internal threaded hole, and an abutting element 42 located in the first annular plug connector 41 and connected with one end of the first part 1 extending into the internal threaded hole; a sealing groove I43 is formed between the inner side of the annular plug connector I41 and the outer side of the abutting part 42.
The first sealing groove 43 is mainly used for inserting the second plug connector 31, and when the first plug connector 31 and the second plug connector 2 are locked, the first plug connector 31 and the first sealing groove 43 are extruded, deformed and abutted due to relative axial movement of the first component 1 and the second component 2, so that a sealing structure is formed;
in some possible embodiments, the abutment member 42 is in the shape of a sleeve and passes through the annular plug member 41, and the sealing groove 43 is in the shape of an annular structure.
As shown in FIG. 1, the first annular plug connector 41 and the first sealing groove 43 are coaxially arranged, and the free end of the first annular plug connector passes through the opening of the first sealing groove 43 and is abutted against the second sealing element 3, so that a sealing structure is formed again, and the sealing performance is improved.
In some possible embodiments, the sealing performance is realized for effective cooperation with the first sealing element 4;
as shown in fig. 5 and 6, the second sealing element 3 includes a sealing groove 32 communicated with the bottom of the internal threaded hole, and a second plug connector 31 installed in the sealing groove 32 and connected with the second component 2; the second connector 31 is respectively abutted against the first annular connector 41 and the abutment member 42.
The second connector 31 is installed at the bottom of the sealing groove 32 and is coaxially arranged with the first connector, the second connector 31 enters the first sealing groove 43 when being locked, and is extruded and deformed under the condition of stress to realize the abutting joint with the first sealing groove 43, so that a sealing structure is formed.
In some possible embodiments, the second plug connector 31 is in a cone-barrel shape and is disposed coaxially with the abutment member 42, and its small end is connected to the bottom of the sealing groove 32 and its large end extends into the first sealing groove 43.
In some possible embodiments, in order to ensure that the abutment 42 and the second plug connector 31 can form a sealing structure after being deformed;
the inner diameter of the small end of the second plug connector 31 is larger than the outer diameter of the abutting piece 42.
As shown in fig. 1, the abutting piece 42 is located in the second connector 31, when the second connector 31 is locked, the abutting piece 42 moves to a position close to the small end of the second connector 31 and abuts against the small end of the second connector, so that the second connector 31 is deformed, and due to the conical barrel-shaped structure, the large end of the second connector 31 is deformed by a radial force, so that the outer side surface of the second connector 31 abuts against the first sealing groove 43; thereby forming two contact surfaces, namely two sealing structures.
The utility model discloses in, the contact surface is directly proportional with sealing performance, and when the seal structure that butt piece 42 and two 31 of plug connectors formed took place to leak, its internal pressure was on acting on the relevant position on two 31 of plug connectors, can make two 31 of plug connectors and the increase of the contact area contact force of a sealed recess 43, improved two 31 of plug connectors and the sealing performance of a sealed recess 43 department.
As shown in fig. 1, 3 and 4, the abutting piece 42 includes a connecting portion and an abutting portion sequentially connected to one end of the first member 1; the butt joint part is in smooth transition connection with the connecting part, and the size of the end face of the butt joint part, which is far away from the end face of one end of the connecting section, is smaller than the size of the cross section of the connecting section.
Further, the abutting piece 42 comprises a connecting portion and an abutting portion, wherein the connecting portion is coaxially arranged with the first component 1 and is connected with the first component, and the abutting portion is coaxially arranged with the connecting portion and is in smooth transition; the connecting part is cylindrical;
when the sealing part is locked, the outer side surface of the abutting part is in contact and abutting contact with the second sealing element 3 to form a sealing structure, and the second sealing element 3 is extruded and deformed;
when the end face of the abutting part is circular and the connecting part is cylindrical, the diameter of the end face of the abutting part far away from one end of the connecting part is smaller than the outer diameter of the connecting part.
According to the actual use requirement, the interior of the first component is of a hollow structure, and the abutting piece is provided with a through hole connected with the hollow structure.
In some possible embodiments, the abutting part is in a frustum structure, the connecting part is in a cylindrical shape and is connected with the large end of the abutting part, and the outer diameter of the connecting part is smaller than the inner diameter of the large end of the plug connector.
When the first component 1 and the second component 2 move axially to each other, the abutting part abuts against the small end of the second plug connector 31 and deforms.
When the second connector 31 is deformed by force, an axial component force exists, and in the elastic deformation range, the axial component force always exists due to the deformation of the second connector 31 when the second connector is locked, so that an axial force is always applied to the second component, and the looseness of the two components is avoided.
In some possible embodiments, in order to effectively ensure that the plug connector II can enter the sealing groove I43;
as shown in fig. 1, 3 and 4, the first sealing groove 43 is annular, and the outer diameter of the opening end of the first sealing groove is larger than that of the bottom of the first sealing groove.
In some possible embodiments, in order to enable the abutting piece 42 to deform when being pressed, the abutting piece abuts against the annular plug piece I41 to form a sealing structure;
as shown in fig. 1 and 6, the second plug connector 31 is made of a thin sheet; the cross-section of the second connector clip 31 is of a curved surface structure and comprises a first connecting section connected with the second sealing element 3, a first abutting section abutted against the inner side surface of the abutting part and a second abutting section abutted against the inner side surface of the first annular connector clip 41, wherein the first connecting section, the first abutting section and the second abutting section are in circular arc transition connection.
Preferably, the thickness of the second connector 31 is 0.2-0.6mm, so that the second connector has good elastic deformation when being stressed.
In some possible embodiments, to further improve the sealing effect of the present invention;
as shown in fig. 1, an elastic sealing member 5 is filled between the bottom of the first sealing groove 43 and the second plug connector 31.
Further, the utility model discloses can adopt 3D vibration material disk technique to make, under the temperature and the medium condition of allowwing, elastic sealing member 5 is sealed glue or seal gasket.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (9)
1. A sealing thread structure is characterized by comprising a first part with an external thread, a second part which is matched with the external thread and is provided with an internal thread hole, a second sealing element which is arranged at the bottom of the internal thread hole, and a first sealing element which is connected with the first part and penetrates through the internal thread hole to be spliced with the second sealing element.
2. The sealing thread structure of claim 1, wherein the first sealing member comprises a first annular plug connected to an end of the member, and an abutment member located in the first annular plug and connected to an end of the member; a first sealing groove is formed between the inner side of the annular plug connector and the outer side of the abutting connector.
3. The sealing thread structure of claim 2, wherein the first abutting member is in a sleeve shape and passes through the first annular plug member, and the first sealing groove is in an annular structure.
4. The sealing thread structure of claim 2, wherein the second sealing member comprises a sealing groove communicated with the bottom of the internal thread hole, and a second plug connector installed in the sealing groove and connected with the second component; and the second plug connector is respectively abutted with the first annular plug connector and the abutting connector.
5. The sealing thread structure of claim 4, wherein the second plug connector is in a conical barrel shape and is coaxially disposed with the abutting connector, a small end of the second plug connector is connected to the bottom of the sealing groove, and a large end of the second plug connector extends into the first sealing groove.
6. The sealing thread structure of claim 5 wherein the inner diameter of the small ends of the plug members is greater than the outer diameter of the abutment members.
7. A seal thread structure according to any one of claims 2 to 6, wherein said seal groove has a circular ring shape, and an outer diameter of an open end thereof is larger than an outer diameter of a bottom thereof.
8. The sealing thread structure of any one of claims 4 to 6, wherein the second plug connector is made of a thin sheet; the cross-section of the second connector clip is of a curved surface structure and comprises a first connecting section connected with the second sealing element, a first abutting section abutted against the inner side surface of the abutting part and a second abutting section abutted against the inner side surface of the annular connector clip, wherein the first connecting section, the first abutting section and the second abutting section are in circular arc transition connection.
9. The sealing thread structure of claim 8, wherein an elastic sealing member is filled between the bottom of the first sealing groove and the second plug connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220315305.1U CN216843082U (en) | 2022-02-16 | 2022-02-16 | Sealing thread structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220315305.1U CN216843082U (en) | 2022-02-16 | 2022-02-16 | Sealing thread structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216843082U true CN216843082U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220315305.1U Active CN216843082U (en) | 2022-02-16 | 2022-02-16 | Sealing thread structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216843082U (en) |
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2022
- 2022-02-16 CN CN202220315305.1U patent/CN216843082U/en active Active
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