CN218208335U - Self-locking type connecting device at valve port - Google Patents
Self-locking type connecting device at valve port Download PDFInfo
- Publication number
- CN218208335U CN218208335U CN202222500990.8U CN202222500990U CN218208335U CN 218208335 U CN218208335 U CN 218208335U CN 202222500990 U CN202222500990 U CN 202222500990U CN 218208335 U CN218208335 U CN 218208335U
- Authority
- CN
- China
- Prior art keywords
- self
- locking
- connecting piece
- valve port
- clamping
- 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
Links
Images
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The valve port self-locking type connecting device comprises a self-locking type connecting piece and a valve port connecting portion, wherein the valve port connecting portion is arranged on the inner wall of the end portion of a valve port of a valve body, one end of the self-locking type connecting piece comprises a clamping portion and a positioning protrusion, the positioning protrusion is a protrusion structure arranged at the peripheral end portion of the self-locking type connecting piece, the clamping portion is an elastic structure arranged at the peripheral adjacent middle portion of the self-locking type connecting piece, the valve port connecting portion comprises a deformation pushing opening, a clamping groove and a plurality of limiting grooves, the deformation pushing opening is an assembly inlet for pushing the clamping portion to be retracted, the clamping groove is matched with the clamping portion to limit the rotation direction displacement of the self-locking type connecting piece, and the limiting grooves are matched with the positioning protrusion to limit the axial direction displacement of the self-locking type connecting piece. Automatic locking can be realized after this application assembly connection, has to connect back sealed effectual, bearing capacity is strong, and advantages such as easy assembly, and the application scene is extensive, and the practicality is strong.
Description
Technical Field
The application relates to the technical field of valve bodies, in particular to the technical field of connecting structures between pipe section parts, and particularly relates to a self-locking connecting device at a valve port.
Background
In heating systems, the regulating valve is used to regulate the flow inside the pipe, the two ends of which are usually interconnected with joints, the joints at the two ends being connected to the pipes of the users, respectively, and the regulating valve is adapted to be connected to different user pipes by replacing different types of joints.
In the prior art, the connection mode between the regulating valve and the movable joint is mostly threaded connection, but if the valve port of the regulating valve is directly threaded connected with the movable joint, many problems can be caused, the main reason is that the pressure can be generated in the flowing process of the water flow in the regulating valve, especially in the moment of sudden opening of the regulating valve, the instantaneous impact pressure of the water flow at the valve port is increased sharply, at the moment, when the water flow at the valve port impacts the movable joint, the problems of insecure connection, loose connection, water flow leakage in the valve body and the like easily occur at the connection position of the valve port and the movable joint due to low pressure bearing capacity of threaded connection, and the service life is greatly reduced.
Disclosure of Invention
An object of the utility model is to provide a valve port department from locking-type connecting device that simple installation, connection are firm to solve prior art and connect insecure, the junction is easily not hard up, life weak point scheduling problem.
The embodiment of the utility model can be realized through the following technical scheme:
a self-locking connecting device at a valve port comprises a self-locking connecting piece and a valve port connecting part, wherein the self-locking connecting piece is of a cylindrical structure with a hollow interior, one end of the self-locking connecting piece comprises a clamping part and a positioning bulge, the positioning bulge is a bulge structure arranged at the peripheral end part of the self-locking connecting piece, the clamping part is an elastic structure arranged at the periphery of the self-locking connecting piece and close to the middle part, and the clamping part is inwards retracted or outwards expanded along the radial direction of the self-locking connecting piece under the action of force;
the valve port connecting part comprises a deformation pushing opening, a clamping groove and a plurality of limiting grooves, the deformation pushing opening is an assembly inlet for pushing the clamping part to be retracted, the clamping groove and the limiting grooves are grooves arranged on the inner periphery of the valve port connecting part along the same rotating direction, the clamping groove is matched with the clamping part to limit the rotating direction displacement of the self-locking connecting piece, and the limiting grooves are matched with the positioning protrusions to limit the axial direction displacement of the self-locking connecting piece.
Furthermore, the number of the positioning bulges is a plurality of, and the plurality of positioning bulges are arranged along the circumferential direction of the self-locking connecting piece and are in central symmetry.
Furthermore, the self-locking connecting piece further comprises a first sealing portion, the first sealing portion is an annular protrusion arranged on the periphery of the self-locking connecting piece, the first sealing portion is located between the positioning protrusion and the clamping portion, and the distance from the axis of the self-locking connecting piece to the periphery of the first sealing portion is greater than or equal to the distance from the axis of the self-locking connecting piece to the periphery of the positioning protrusion.
Furthermore, the number of the clamping parts is a plurality of, the clamping parts are arranged along the circumferential direction of the self-locking connecting piece, the clamping parts and the positioning protrusions are arranged in a staggered mode, and the clamping parts are in central symmetry.
Furthermore, screens portion includes screens piece, screens shell fragment, the screens piece is for fixing from locking-type connecting piece outlying protruding structure, the one end fixed connection of screens shell fragment in the outlying one end of screens piece, the other end is followed extend in the slant of the circumference of locking-type connecting piece is outside, makes the other end suspension of screens shell fragment is in the outside of the screens piece other end.
Furthermore, the clamping part also comprises an elastic sheet anchorage part, and the elastic sheet anchorage part is arranged at the extending tail end of the clamping block and extends towards the axis of the self-locking connecting piece.
Furthermore, the self-locking connecting piece further comprises a positioning part, the positioning part is positioned in the middle of the self-locking connecting piece, the positioning part is an annular bulge arranged on the periphery of the middle of the self-locking connecting piece, and the clamping part is positioned between the first sealing part and the positioning part.
Furthermore, along the installation direction of the self-locking connecting piece from outside to inside, the deformation pushing openings are openings which are arranged inside the valve port connecting part and are adjacent to the outer edge, the deformation pushing openings are arranged in a plurality, and the deformation pushing openings are respectively matched with the clamping parts.
Furthermore, along the locking direction of the self-locking connecting piece, one side of the deformation pushing opening is in a slope shape.
Furthermore, the outer side of the limiting groove is provided with an opening, the bottom of the limiting groove is positioned in the valve port connecting part, and the bottom of the limiting groove extends along the circumferential direction of the locking direction of the self-locking connecting piece to form a straight line shape, so that the limiting groove is integrally L-shaped.
The embodiment of the utility model provides a pair of valve port department has following beneficial effect from locking-type connecting device at least:
the clamping part of the self-locking connecting piece is extruded to be in an inward-folded state through the deformation pushing opening of the valve port connecting part, when the self-locking connecting piece is rotated, the clamping part is rotated to the clamping groove, under the elastic deformation reaction force of the clamping part, the clamping part is expanded to be clamped in the clamping groove, and the displacement of the clamping part in the rotating direction is limited by the clamping groove; meanwhile, the positioning bulge enters through the opening of the limiting groove, and moves to the bottom of the limiting groove along with the installation process from outside to inside, when the self-locking connecting piece is rotated, the positioning bulge moves at the linear bottom of the limiting groove, the linear groove bottom of the limiting groove limits the displacement of the self-locking connecting piece in the vertical direction, the connection structure realizes the close fit of the self-locking connecting piece and the valve port connecting part, and the position play of all directions does not occur;
this application has overall structure simple, can use in the valve body connection port department of multiple structure, has that the assembly is simple and easy, connection structure conceals, connects advantages such as firm, easily popularization, practicality are strong.
Drawings
FIG. 1 is a schematic exploded view of a self-locking type connection device at a valve port according to the present application;
fig. 2 is a schematic structural diagram of the self-locking connecting piece in the application;
FIG. 3 is a schematic view of a structure of a retainer portion of the present application;
fig. 4 is a partially enlarged schematic view of a portion a of fig. 1.
Reference numerals in the figures
1-self-locking connecting piece; 12-a clamping part; 121-a stuck block; 122-clip spring plate; 123-elastic sheet anchorage part; 13-positioning the projection; 130-a first assembly mating face; 14-a first seal; 15-a positioning section; 2-a valve port connecting part; 22-deformation pushing; 23-a clamping groove; 24-a limit groove; 240 — a second mating face; 3-living joint; 4-valve body.
Detailed Description
The present invention will be further described below based on preferred embodiments with reference to the accompanying drawings.
In addition, for convenience of understanding, various components on the drawings are enlarged (thick) or reduced (thin), but this is not intended to limit the scope of the present invention.
Singular references also include plural references and vice versa.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship that the products of the present invention are usually placed when using, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention. Furthermore, in the description of the present invention, the terms first, second, etc. are used herein to distinguish between different elements, but these should not be limited by the order of manufacture or construed to indicate or imply relative importance, and their names may differ between the detailed description of the invention and the claims.
The words used in this specification are words of description used in describing embodiments of the invention, but are not intended to limit the invention. It should also be noted that unless otherwise explicitly stated or limited, the terms "disposed," "connected," and "connected" should be interpreted broadly, as if they were fixed or removable, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The above-mentioned meaning belonging to the present invention is specifically understood by those skilled in the art.
Fig. 1 is a schematic view showing an exploded state of the self-locking type connection device at a valve port according to the present application, and as shown in fig. 1, the self-locking type connection device at a valve port includes a self-locking type connection member 1 and a valve port connection portion 2, the valve port connection portion 2 is disposed on an inner wall of a valve port end of a valve body 4, two ends of the self-locking type connection member 1 are respectively connected to the valve port connection portion 2 and a movable joint 3, and the movable joint 3 is used for tightly connecting the movable joint 3 to the valve port end of the valve body 4.
The self-locking connecting piece 1 is a cylindrical structure with a hollow interior, one end of the self-locking connecting piece 1 comprises a clamping part 12 and a positioning bulge 13, the positioning bulge 13 is a bulge structure arranged at the peripheral end part of the self-locking connecting piece 1, the clamping part 12 is an elastic structure arranged at the periphery of the self-locking connecting piece 1 and close to the middle part, and under the action of force, the clamping part 12 is inwards retracted or outwards expanded along the radial direction of the self-locking connecting piece 1;
the valve port connecting portion 2 includes a deformation pushing opening 22, a locking groove 23 and a plurality of limiting grooves 24, the deformation pushing opening 22 is an assembly inlet for pushing the locking portion 12 to be retracted, the locking groove 23 and the limiting grooves 24 are grooves arranged in the valve port connecting portion 2 along the same rotation direction, the locking groove 23 is matched with the locking portion 12 to limit the rotation direction displacement of the self-locking connecting member 1, and the limiting grooves 24 are matched with the positioning protrusions 13 to limit the axial direction displacement of the self-locking connecting member 1.
Specifically, fig. 2 is a schematic structural diagram of the self-locking type connecting element 1 in the present application, as shown in fig. 2, one end of the self-locking type connecting element 1 is connected in the valve port connecting portion 2 and locked by rotating the locking clip, and the other end of the self-locking type connecting element 1 is connected with the movable joint 3.
The positioning protrusions 13 are protruding structures arranged at the annular peripheral end of the self-locking connecting piece 1, the number of the positioning protrusions 13 is a plurality of, and the positioning protrusions 13 are arranged along the circumferential direction of the self-locking connecting piece 1 and are centrosymmetric, so that the structural distribution is optimized, and the self-locking connecting piece 1 can keep good pressure bearing capacity under the water flow impact force in all directions under the fixing action of the positioning protrusions 13.
In some preferred embodiments, the number of the positioning protrusions 13 is at least 4, which is used to provide fixing action in two mutually perpendicular radial directions of the self-locking connecting piece 1, and ensure the compactness of the structure and the tightness of the connection.
The self-locking connecting piece 1 further comprises a first sealing part 14, the first sealing part 14 is an annular protrusion arranged on the periphery of the self-locking connecting piece 1, the first sealing part 14 is located between the positioning protrusion 13 and the positioning part 12, the distance from the axis of the self-locking connecting piece 1 to the periphery of the first sealing part 14 is greater than or equal to the distance from the axis of the self-locking connecting piece 1 to the periphery of the positioning protrusion 13, namely the radius of the annular periphery of the first sealing part 14 is R1, the radius of an annular ring formed by the peripheries of the positioning protrusions 13 is R2, and R1 is greater than or equal to R2 and used for matching connection and has the effect of sealing water flow.
In some preferred embodiments, the middle of the first sealing portion 14 may also be provided with an annular groove for matching with an O-ring to improve the sealing effect.
The clamping portions 12 are elastic protruding structures arranged on the periphery of the self-locking connecting piece 1 and close to the middle of the periphery of the self-locking connecting piece 1, the number of the clamping portions 12 is a plurality, the clamping portions 12 are arranged along the circumferential direction of the self-locking connecting piece 1, so that in the installation process, the clamping portions 12 are retracted under the extrusion action of force to achieve installation, and when the installation is in place, the clamping portions 12 are expanded outwards under the elastic reaction force to achieve clamping locking.
Specifically, fig. 3 is a schematic structural view of the positioning portion 12 in the present application, as shown in fig. 3, the positioning portion 12 includes a positioning block 121 and a positioning elastic sheet 122, the positioning block 121 is fixed on a protrusion structure of the periphery of the self-locking connector 1, one end of the positioning elastic sheet 122 is fixedly connected to one end of the periphery of the positioning block 121, and the other end of the positioning elastic sheet 122 extends obliquely outward along the circumference of the self-locking connector 1, so that the other end of the positioning elastic sheet 122 is suspended outside the other end of the positioning block 121, and is used for enabling the positioning portion 12 to elastically expand outward or contract inward.
In some preferred embodiments, the distance from the axis of the self-locking connector 1 to the periphery of the capture block 121 is R3, R1 = R3, which is used for fitting and increasing the tightness of the installation.
The positioning portion 12 further includes an elastic supporting portion 123, the elastic supporting portion 123 is disposed at the extending end of the positioning block 121 and extends toward the axis of the self-locking type connecting member 1, so as to support the positioning elastic piece 122, and enhance the firmness of the positioning portion 12 during positioning locking.
In some preferred embodiments, the positioning protrusions 13 and the latching portions 12 are arranged in a staggered manner, and a plurality of the positioning protrusions 12 are in central symmetry, so that the positioning protrusions 13 and the latching portions 12 can provide fixed connection acting force at a plurality of positions, so as to enhance the pressure bearing capacity of the self-locking connecting piece 1 under the impact force of water flow in all directions.
In some preferred embodiments, the self-locking connecting element 1 further includes a positioning portion 15, the positioning portion 15 is located in the middle of the self-locking connecting element 1, the positioning portion 15 is an annular protrusion disposed on the periphery of the middle of the self-locking connecting element 1, wherein the positioning portion 12 is located between the first sealing portion 14 and the positioning portion 15, and when two ends of the self-locking connecting element 1 are connected to the valve port connecting portion 2 and the movable joint 3, respectively, the positioning portion 15 is connected to an interface between the movable joint 3 and the valve body 4 to position the interface, so as to avoid shaking after connection and enhance connection stability.
Fig. 1 shows, follows from outside-in installation direction of self-locking connecting piece 1, deformation push away mouthful 22 for set up in the opening on 2 inside and neighbouring outer edges of valve port connecting portion, deformation push away mouthful 22 and set up quantity and be a plurality of, a plurality of deformation push away mouthful 22 respectively with screens portion 12 cooperatees, follows from the locking direction of self-locking connecting piece 1, one side that deformation pushed away mouthful 22 is domatic, makes from the process of locking connecting piece 1 rotation locking, deformation push away mouthful 22 can provide the promotion screens portion 12 extrudes the power to adduction state, increases the smooth and easy nature of assembling process.
Along the locking direction of the self-locking connecting piece 1, the clamping groove 23 is arranged on one side of the deformation pushing opening 22, and the clamping groove 23 is matched with the clamping portion 12, so that when the clamping portion 12 rotates into the clamping groove 23, under the elastic deformation reaction force of the clamping portion 12, the clamping portion 12 expands outwards to be clamped in the clamping groove 23, and the position of the self-locking connecting piece 1 along the rotation direction of the valve port connecting portion 2 is limited not to deviate.
The limiting groove 24 is arranged inside the valve port connecting portion 2 along the installation direction of the self-locking connecting piece 1 from outside to inside, the limiting groove 24 is matched with the positioning protrusion 13, the outer side of the limiting groove 24 is provided with an opening shape, the bottom of the limiting groove 24 is positioned inside the valve port connecting portion 2, and the limiting groove 24 extends along the circumferential direction of the locking direction of the self-locking connecting piece 1 and is in a shape like a Chinese character 'yi', so that the limiting groove 24 is integrally in an L shape, when the positioning protrusion 13 is assembled to the groove bottom through the opening of the limiting groove 24, the positioning protrusion 13 rotates in the groove bottom of the limiting groove 24 to be in a locking state along with the rotation locking of the self-locking connecting piece 1, and the groove bottom of the limiting groove 24 in the shape like a Chinese character 'yi' is used for limiting the position of the self-locking connecting piece 1 along the axial direction of the valve port connecting portion 2 from deviation.
Fig. 4 is a partial enlarged view of a part a in fig. 1, as shown in fig. 4, in some preferred embodiments, the limiting groove 24 includes a second fitting engagement surface 240, the second fitting engagement surface 240 is disposed at an inner corner of the "L" shape of the limiting groove 24, correspondingly, the positioning protrusion 13 includes a first fitting engagement surface 130, the first fitting engagement surface 130 is disposed at a tip of the positioning protrusion 13, which is engaged with the inner corner of the "L" shape of the limiting groove 24, and the second fitting engagement surface 240 and the first fitting engagement surface 130 can be set to have a slope angle for easy introduction during assembly.
In some embodiments, it is conceivable that when the self-locking connector 1 is assembled in place, i.e. the detent portion 12 is located in the detent groove 23, and the positioning protrusion 13 is located at the groove bottom of the limiting groove 24, even if the detent portion 12 cannot limit the circumferential displacement of the self-locking connector 1 in the locking direction, the auxiliary limiting can be performed by adjusting the length of the groove bottom of the limiting groove 24, for example, when the self-locking connector 1 is assembled in place, the positioning protrusion 13 can be configured to be just displaced to the end of the groove bottom of the limiting groove 24 in the rotation direction, and the limiting of the circumferential displacement of the self-locking connector 1 in the locking direction is realized by the cooperation of the positioning protrusion 13 and the limiting groove 24.
In some preferred embodiments of the present application, the annular inner wall between the limiting groove 24 and the locking groove 23 is matched with an O-ring assembled in the groove in the middle of the first sealing portion 14, and the surface of the annular inner wall is smooth and has high roundness and high matching precision with the O-ring, so as to achieve good sealing performance after installation.
While the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit of the invention, and it is intended to claim all such changes and modifications as fall within the scope of the appended claims.
Claims (10)
1. The utility model provides a valve port department is from locking-type connecting device, includes from locking-type connecting piece (1), valve port connecting portion (2), its characterized in that:
the self-locking connecting piece (1) is of a hollow cylindrical structure, one end of the self-locking connecting piece (1) comprises a clamping part (12) and a positioning protrusion (13), the positioning protrusion (13) is of a protrusion structure arranged at the peripheral end part of the self-locking connecting piece (1), the clamping part (12) is of an elastic structure arranged at the periphery of the self-locking connecting piece (1) and close to the middle part, and under the action of force, the clamping part (12) is retracted or expanded along the radial direction of the self-locking connecting piece (1);
the valve port connecting part (2) comprises a deformation pushing opening (22), a clamping groove (23) and a plurality of limiting grooves (24), the deformation pushing opening (22) is an assembly inlet for pushing the clamping part (12) to be retracted, the clamping groove (23) and the limiting grooves (24) are grooves arranged on the inner periphery of the valve port connecting part (2) along the same rotating direction, the clamping groove (23) is matched with the clamping part (12) to limit the rotating direction displacement of the self-locking connecting piece (1), and the limiting grooves (24) are matched with the positioning protrusions (13) to limit the axial direction displacement of the self-locking connecting piece (1).
2. The self-locking connection device at a valve port of claim 1, wherein:
the number of the positioning bulges (13) is a plurality of, and the positioning bulges (13) are arranged along the circumferential direction of the self-locking connecting piece (1) and are in central symmetry.
3. The self-locking type connecting device at the valve port as claimed in claim 1, wherein:
the self-locking connecting piece (1) further comprises a first sealing portion (14), the first sealing portion (14) is an annular protrusion arranged on the periphery of the self-locking connecting piece (1), the first sealing portion (14) is located between the positioning protrusion (13) and the clamping portion (12), and the distance from the axis of the self-locking connecting piece (1) to the periphery of the first sealing portion (14) is larger than or equal to the distance from the axis of the self-locking connecting piece (1) to the periphery of the positioning protrusion (13).
4. The self-locking connection device at a valve port of claim 1, wherein:
the number of setting up of screens portion (12) is a plurality of, a plurality of screens portion (12) are followed the circumference of self-locking connecting piece (1) sets up, screens portion (12) with location arch (13) crisscross setting, and a plurality of screens portion (12) are central symmetry.
5. The self-locking connection device at a valve port of claim 1, wherein:
the clamping portion (12) comprises a clamping block (121) and a clamping elastic sheet (122), the clamping block (121) is fixed to the peripheral protruding structure of the self-locking connecting piece (1), one end of the clamping elastic sheet (122) is fixedly connected to one end of the clamping block (121) in the peripheral mode, the other end of the clamping elastic sheet extends outwards in the inclined direction of the circumferential direction of the self-locking connecting piece (1), and the other end of the clamping elastic sheet (122) is suspended outside the other end of the clamping block (121).
6. The self-locking connection device at a valve port of claim 5, wherein:
the clamping part (12) further comprises an elastic sheet anchorage part (123), and the elastic sheet anchorage part (123) is arranged at the extending tail end of the clamping block (121) and extends towards the axis of the self-locking connecting piece (1).
7. The self-locking connection device at a valve port of claim 3, wherein:
the self-locking connecting piece (1) further comprises a positioning part (15), the positioning part (15) is located in the middle of the self-locking connecting piece (1), the positioning part (15) is an annular bulge arranged on the periphery of the middle of the self-locking connecting piece (1), and the clamping part (12) is located between the first sealing part (14) and the positioning part (15).
8. The self-locking connection device at a valve port of claim 1, wherein:
along the installation direction of the self-locking connecting piece (1) from outside to inside, the deformation pushing openings (22) are openings which are arranged inside the valve port connecting portion (2) and are adjacent to the outer edge, the deformation pushing openings (22) are provided in a plurality, and the deformation pushing openings (22) are matched with the clamping portions (12) respectively.
9. The self-locking connection device at a valve port of claim 1, wherein:
along the locking direction of the self-locking connecting piece (1), one side of the deformation pushing opening (22) is in a slope shape.
10. The self-locking connection device at a valve port of claim 1, wherein:
the outer side of the limiting groove (24) is provided with an opening, the bottom of the limiting groove (24) is positioned in the valve port connecting part (2), and the bottom of the limiting groove (24) extends along the circumferential direction of the locking direction of the self-locking connecting piece (1) to form a straight line shape, so that the limiting groove (24) is integrally L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222500990.8U CN218208335U (en) | 2022-09-21 | 2022-09-21 | Self-locking type connecting device at valve port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222500990.8U CN218208335U (en) | 2022-09-21 | 2022-09-21 | Self-locking type connecting device at valve port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218208335U true CN218208335U (en) | 2023-01-03 |
Family
ID=84634933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222500990.8U Active CN218208335U (en) | 2022-09-21 | 2022-09-21 | Self-locking type connecting device at valve port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218208335U (en) |
-
2022
- 2022-09-21 CN CN202222500990.8U patent/CN218208335U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6773039B2 (en) | Plug-in coupling | |
| US4775173A (en) | Hose coupling | |
| US20090194990A1 (en) | Toothed gripper members, plumbing connection assemblies and methods for forming the same | |
| GB2235737A (en) | Mechanical seal unit | |
| US20160003394A1 (en) | Quick connect assembly including for use in pressurized fluid applications and incorporating auto shut-off feature | |
| JP7543440B2 (en) | Rotary Valve | |
| CN218208335U (en) | Self-locking type connecting device at valve port | |
| CN219062500U (en) | Ball valve | |
| AU756297B2 (en) | Plug-in coupling | |
| CN202100866U (en) | Quick connector for pipelines | |
| US4526378A (en) | Filter tube gasket | |
| US4342464A (en) | Gasket for a socket-spigot connection | |
| CN217013819U (en) | Rotatable ground brush assembly and ground cleaning equipment | |
| CN212297669U (en) | Sealing structure of valve body and valve seat and gate valve | |
| CN112943929A (en) | Sealing gasket, combined sealing structure and sealing plug | |
| CN209839437U (en) | Cannula joint | |
| CN209569336U (en) | Sealing ring and sealing structure | |
| CN220668717U (en) | Self-locking sealing connecting pipe | |
| CN111878652A (en) | Corrugated pipe quick connector | |
| CN221557687U (en) | Filter device | |
| CN215370948U (en) | Sealing gasket, combined sealing structure and sealing plug | |
| CN212480116U (en) | Spring energy storage sealing ring | |
| CN111503298A (en) | Sealing structure of valve body and valve seat and gate valve | |
| CN214248475U (en) | Stop valve lead screw | |
| CN214551823U (en) | Sealing switch device of gas filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |