CN109114338B - Insertion buckle connecting piece of pipe fitting - Google Patents
Insertion buckle connecting piece of pipe fitting Download PDFInfo
- Publication number
- CN109114338B CN109114338B CN201811167546.0A CN201811167546A CN109114338B CN 109114338 B CN109114338 B CN 109114338B CN 201811167546 A CN201811167546 A CN 201811167546A CN 109114338 B CN109114338 B CN 109114338B
- Authority
- CN
- China
- Prior art keywords
- cavity
- locking piece
- piece
- sliding block
- locking
- 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
- 238000003780 insertion Methods 0.000 title claims abstract description 38
- 230000037431 insertion Effects 0.000 title claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000009194 climbing Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/0841—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a transversally slidable locking member surrounding the tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses an inserting buckle connector of a pipe fitting, which comprises a shell and is characterized in that: the shell is provided with a cavity and a pipe fitting inserting port communicated with the cavity; a locking piece with a hollow hole for locking the insertion tube is arranged in the cavity, a sliding block penetrating through the hollow hole and the cavity of the shell is arranged on the locking piece, and the sliding block can slide relative to the locking piece; an annular inclined plane inclined towards the direction of the insertion opening is arranged on the inner wall of the cavity, and a limit sliding groove for sliding of the sliding block is adapted to the inclined plane; the invention has simple structure, convenient device and low production cost, and can not rotate the insertion tube due to the limitation.
Description
Technical Field
The invention relates to a pipe fitting connector, in particular to a plug-in self-locking connector.
Background
Inserting and self-locking: inserting the connected pipe fitting into the connecting piece, and clamping the pipe fitting inside by utilizing a locking mechanism in the connecting piece, and connecting and fixedly connecting the pipe fitting; the prior plug-in self-locking jump ring type connecting piece is commonly used, namely an elastic piece which extends downwards towards the inner cavity of the connecting piece is arranged in the connecting piece and is inclined downwards, when the pipe fitting is inserted into the connecting piece and is extruded and passes through the elastic piece, at the moment, when the pipe fitting is pulled out outwards, the elastic piece has resistance to pulling out outwards relative to the pipe fitting, so that the pipe fitting is better blocked; the prior patent claims apply for a plugging connection piece, a locking piece is arranged in the connection piece, a ball is arranged on the locking piece, and the ball acts on an inner inclined surface of a shell of the connection piece and locks the plugging tube, but no matter what the ball acts on the inner inclined surface of the shell of the connection piece and locks the plugging tube, the plugging tube can rotate relative to the locking piece when the plugging tube is plugged in and locked, so that the locking degree is changed, and the plugging tube is pulled out slowly.
Disclosure of Invention
The invention provides a plugging buckle connector of a pipe fitting, and provides a novel locking structure which is simple in structure and replaces the locking structure in the prior art.
The specific technical scheme is as follows:
the utility model provides a bayonet joint buckle connecting piece of pipe fitting, includes casing, its characterized in that: the shell is provided with a cavity and a pipe fitting inserting port communicated with the cavity; a locking piece with a hollow hole for locking the insertion tube is arranged in the cavity, a sliding block penetrating through the hollow hole and the cavity of the shell is arranged on the locking piece, and the sliding block can slide relative to the locking piece; the inner wall of the cavity is provided with an annular inclined plane inclined towards the direction of the insertion opening, and a limit sliding groove for sliding of the sliding block is adapted to the inclined plane.
A preferred feature is: the limiting sliding groove comprises a groove body bottom and two side faces of the groove body, wherein the two side faces are slope faces.
A preferred feature is: the bottom of the locking piece is supported by an elastic supporting piece, and the lower bottom surface of the supporting piece is propped against by a sealing group.
A preferred feature is: the elastic supporting piece is a hollow annular supporting block, the outer edge part of the hollow annular supporting block is uniformly deformed and arched to the upper surface direction to support the arched part, and the arched part is used for supporting the locking piece.
A preferred feature is: the hollow annular supporting piece is located at the outer edge part and is uniformly provided with a plurality of fracture parts, one ends of the fracture parts are connected to the supporting piece, and the free ends of the fracture parts are upwards folded to form a supporting arch part of the locking piece.
A preferred feature is: the supporting block is a spring, the spring comprises a plurality of elastic rings, and the outer diameter of the elastic ring at the lower end of the spring is equal to the inner diameter of the elastic ring at the upper end which is adjacent to the spring.
A preferred feature is: the locking piece comprises an annular column, a placing groove is arranged on the peripheral wall of the lower end part of the annular column, and two ends of the placing groove are respectively communicated with the middle through hole and the shell cavity; the placing groove is internally provided with a sliding block, and the sliding block slides relative to the annular column.
A preferred feature is: the sliding block is a ball
A preferred feature is: the locking piece also comprises an unlocking end extending towards the inserting port, and the diameter of the unlocking end is smaller than that of the locking end and can extend out of the inserting port.
Compared with the prior art, the invention has the following effects:
1. the cavity inclined plane is provided with the sliding groove extending along the surface direction, and two side surfaces of the sliding groove are sloping, so that the scheme has the following advantages: the arrangement of the sliding groove on the self limits the direction of the sliding block, and can also be said to be a guide groove so as to prevent the insertion tube from rotating in a locking state to influence the locking effect; the two sides of the groove body of the sliding groove are slope-shaped, so that the rotation of the insertion pipe is further limited; if when the insert pipe rotates, a climbing process can be carried out, and when the climbing process is carried out, the distance between the slope surface and the pipe body becomes smaller, so that the balls can be extruded by the slope body due to the ascending slope, the balls extrude the insert pipe to prevent the insert pipe from rotating, the peripheral wall of the locking piece is arranged adjacent to the inclined surface of the cavity, the distance between the locking piece and the inclined surface is very small, and the balls extrude the locking piece only slightly, so that the rotation problem of the insert pipe fitting is effectively avoided.
2. The outer edge of the support member arches from bottom to top and forms an arch for supporting the locking member, which has the advantages: the support has the advantages of simple structure, convenient manufacture, and slightly smaller overall diameter due to the fact that the outer edge is arched from bottom to top, so that the support can be directly inserted into the insertion opening in an inclined manner and extruded inwards when placed, and finally enters the placement seat.
3. The sealing ring is directly arranged below the supporting piece, and can play a role in sealing while supporting the supporting piece; and the sealing part, the supporting piece and the locking piece are positioned in the same cavity as the whole, so that the later installation is simple, and the production cost is reduced.
4. The setting of standing groove to place many balls at the bar, it is more obvious to the locking effect.
Description of the drawings:
FIG. 1 is a schematic cross-sectional view of a male snap connection of a tubular member according to the present invention;
FIG. 2 is a schematic cross-sectional view of a male snap connection of a pipe fitting according to the present invention
FIG. 3 is a schematic view of a hollow support member according to the present invention;
FIG. 4 shows one of the hollow support members of the present invention
FIG. 5 is a schematic view showing the structure of the hollow support member of the present invention as a spring
FIG. 6 is a schematic view of a locking member according to the present invention
Detailed Description
The invention is further described below by means of specific embodiments.
The insertion of the locking piece into the pipe body and the through holes in the locking piece are all performed under the precondition that the insertion holes of the casing are mutually matched.
As shown in fig. 1 to 6, in the embodiment of the present invention, a pipe fitting inserting and buckling connector comprises a housing 1, wherein the housing 1 comprises a cavity 13 and an insertion port 11 communicated with the cavity 13 for inserting a pipe fitting 2; the front end in the cavity 13 is provided with a locking piece 3 for inserting and locking the pipe fitting; the locking piece 3 is columnar and is provided with a middle through hole 33 for the pipe fitting 2 to pass through, and the middle through hole 33 is opposite to the insertion port 11; an annular inclined surface 12 matched with the locking piece 3 to lock the pipe fitting 2 is arranged on the inner side surface of the front end of the cavity 13, and the annular inclined surface 12 is inclined towards the direction of the inserting port 11; the inclined surface 12 is provided with an inclined guide groove 121 extending toward the insertion port 11; the locking piece is provided with a sliding block 32 which is positioned in the guide groove 121 and moves; an annular supporting member 31 is arranged below the locking member, the supporting member 31 can be a spring or other elastic member, and the supporting member 31 supports the locking member 3 and enables a sliding block 32 on the locking member 3 to be always positioned in the height range of the annular inclined surface 12 or the guide groove 121; the cavity 13 further includes a set of sealing rings 4, the sealing rings 4 are located below the supporting member 31, and an upper top surface of the sealing rings 4 is supported at a lower bottom of the supporting member 31.
In one scheme: the guide grooves 121 are uniformly arranged on the inclined surface 12 and correspond to the sliding blocks 32 on the supporting member one by one;
in one scheme: the guide groove 121 is arc-shaped and comprises a groove bottom and a slope 122 connected with the groove bottom for sliding the sliding block.
The locking principle of this design is: when the insertion tube 2 is inserted into the housing cavity 13 and enters the middle through hole 33 of the locking piece 3, the sliding block 32, namely the ball, is extruded by the tube body of the insertion tube to move towards the direction of the guide groove, at the moment, two ends of the sliding block respectively prop against the tube body of the insertion tube and the bottom of the guide groove 121, when the insertion tube is to be pulled out, the locking piece is driven to rise, the sliding block moves towards the direction of the insertion opening, and as the guide groove 121 is inclined towards the direction of the insertion opening, the distance between two opposite guide grooves on the annular inclined surface is reduced, the pressure of the two ends of the sliding block to the tube body of the insertion tube and the bottom of the guide groove is greater, and when the pressure is to a certain degree, the insertion tube is locked and cannot be pulled out; because the peripheral surface of the locking piece is designed to be adjacent to the inclined surface, namely the distance between the peripheral surface of the locking piece and the inclined surface is very small, after the insertion pipe is inserted, two ends of the sliding block are propped against the pipe body of the insertion pipe and the bottom of the guide groove, so that the insertion pipe is pulled out to be locked instantly; however, after the insertion tube is locked, the insertion tube can still rotate relative to the locking piece or the shell, and finally the insertion tube is possibly separated from the extrusion of the sliding block, the guide groove in the design is arc-shaped and comprises a groove bottom and a slope surface connected to the groove bottom and used for sliding of the sliding block, so that when the tube rotates, the sliding block slopes upwards, the distance between the two opposite sliding blocks is reduced, the pressure on the tube body of the insertion tube is increased, and finally the insertion tube is prevented from rotating, and the insertion tube is effectively prevented from separating.
In one scheme: the two ends of the sliding block extend into the hollow hole and the shell cavity respectively, or the two intervals of the sliding block are larger than the wall thickness of the locking piece.
In one scheme: the locking piece 3 comprises an outer wall 35 and a middle through hole 33 which is surrounded by the outer wall and is used for a pipe fitting to pass through; the outer side of the outer wall 35 of the locking piece is close to the inner side surface of the shell cavity, the lower end part of the outer side surface of the outer wall 35 of the locking piece is horizontally provided with a plurality of sliding block placing grooves 34, the placing grooves 34 are communicated with the middle through holes 33 in the locking piece, sliding blocks 32 are placed on the sliding grooves, the sliding blocks 32 are relatively thicker than the thickness of the outer wall of the locking piece, namely one end of each sliding block is flush with the outer wall of the outer side, and the other end of each sliding block is required to extend out of the middle through holes 33; preferably, the sliding block is a ball.
The inclination of the incline 12 of the present invention is preferably 5 to 15 degrees.
The outer edge portion of the annular support 31 is preferably uniformly deformed and arched to the upper surface to support the arched portion 311.
In a preferred embodiment: the annular supporting member 31 is provided with a plurality of breaking parts at the outer edge part, one end of each breaking part is connected to the supporting member, and the other end of each breaking part is a free end and is folded upwards to form a supporting arch part 311 of the locking member.
A preferred embodiment: the annular supporting piece 31 is positioned at the outer edge part and uniformly turns over or jacks up a plurality of protruding parts from bottom to top; the convex portion is the above-described arch portion 311.
A preferred embodiment: the annular supporting member 31 is a spring, and the spring is composed of a plurality of elastic rings 312 arranged up and down, and of the two adjacent elastic rings, the inner diameter of the elastic ring positioned above is equal to or slightly larger than the outer diameter of the elastic ring positioned below, so that in the compression process of the spring, the elastic ring positioned above is sleeved on the periphery of the elastic ring positioned below and forms a plane instead of being mutually overlapped to form a column shape, and the effect is effective in controlling the height of the spring, especially in a housing cavity with a small original space.
A preferred embodiment: the annular inclined surface 12 in the cavity of the housing is preferably located near one end of the insertion opening 11.
A preferred embodiment: the locking piece 3 is in a ring column shape; the locking device comprises an unlocking end 36 at the upper end and a locking end 37 at the lower end, wherein the caliber of the unlocking end 36 is smaller than that of the locking end 37 and the unlocking end can extend out of the insertion port 11, the outer diameter of the locking end 37 is larger than that of the insertion port, so that a locking piece cannot fall out of the insertion port, and the placing groove 34 is positioned at the locking end.
In one scheme: the sealing ring group 4 comprises a gasket and a sealing ring, and the stacking sequence from top to bottom is as follows: gasket, O-ring, gasket, O-ring; the lower end of the support 31 is against the gasket, i.e. the support is located on the upper surface of the gasket. The sealing ring group 4 can also consist of a single sealing ring or a plurality of identical sealing rings or one sealing ring or a moving ring.
In this embodiment, a pipe joint with a plurality of embodiments described above, i.e. like a pipe tee, i.e. a pipe with a plurality of joints, each of which is a pipe joint as described above, is also possible.
The foregoing is only one embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall into the protection scope of the present invention.
Claims (8)
1. The utility model provides a bayonet joint buckle connecting piece of pipe fitting, includes casing, its characterized in that: the shell is provided with a cavity and a pipe fitting inserting port communicated with the cavity; a locking piece with a hollow hole for locking the insertion tube is arranged in the cavity, a sliding block penetrating through the hollow hole and the cavity of the shell is arranged on the locking piece, and the sliding block can slide relative to the locking piece; an annular inclined plane inclined towards the direction of the insertion opening is arranged on the inner wall of the cavity, and a limit sliding groove for sliding of the sliding block is adapted to the annular inclined plane;
the limiting sliding groove comprises a groove body bottom and two side faces of the groove body, wherein the two side faces are slope faces.
2. A male snap-in connection member for a tubular member as in claim 1, wherein: the bottom of the locking piece is supported by an elastic supporting piece, and the lower bottom surface of the supporting piece is propped against by a sealing group.
3. A male snap-in connection member for a tubular member as in claim 2, wherein: the elastic supporting piece is a hollow annular supporting block, the outer edge part of the hollow annular supporting block is uniformly deformed and arched to the upper surface direction to support the arched part, and the arched part is used for supporting the locking piece.
4. A male snap-in fitting for a pipe fitting as claimed in claim 3 wherein: the hollow annular supporting block is positioned at the outer edge part and is uniformly provided with a plurality of fracture parts, one ends of the fracture parts are connected to the supporting piece, and the free ends of the fracture parts are upwards folded to form the supporting arch part of the locking piece.
5. A male snap-in connection member for a tubular member as in claim 2, wherein: the supporting piece is a spring, the spring comprises a plurality of elastic rings, and the outer diameter of the elastic ring at the lower end of the spring is equal to the inner diameter of the elastic ring at the upper end which is adjacent to the spring.
6. A male snap-in connection member for a tubular member as in claim 1, wherein: the locking piece comprises an annular column, a placing groove is arranged on the peripheral wall of the lower end part of the annular column, and two ends of the placing groove are respectively communicated with the middle through hole and the shell cavity; the placing groove is internally provided with a sliding block, and the sliding block slides relative to the annular column.
7. A male snap connection element for a tubular element according to any of claims 1-6, wherein: the sliding block is a ball.
8. The male snap-in connection member for a tubular member as in claim 4, wherein: the locking piece also comprises an unlocking end extending towards the inserting port, and the diameter of the unlocking end is smaller than that of the locking end and can extend out of the inserting port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167546.0A CN109114338B (en) | 2018-10-08 | 2018-10-08 | Insertion buckle connecting piece of pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811167546.0A CN109114338B (en) | 2018-10-08 | 2018-10-08 | Insertion buckle connecting piece of pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109114338A CN109114338A (en) | 2019-01-01 |
| CN109114338B true CN109114338B (en) | 2024-03-15 |
Family
ID=64857483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811167546.0A Active CN109114338B (en) | 2018-10-08 | 2018-10-08 | Insertion buckle connecting piece of pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109114338B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376016B (en) * | 2019-08-19 | 2020-09-22 | 中国科学院地质与地球物理研究所 | Sampling device and sampling method |
| CN112026625B (en) * | 2020-09-10 | 2021-07-23 | 惠安县螺阳林飞燕汽车维修中心 | Outdoor breakdown van |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179769A (en) * | 1998-12-15 | 2000-06-27 | Toa Kokyu Tsugite Valve Seizo Kk | Pipe fitting |
| KR20040013545A (en) * | 2002-08-07 | 2004-02-14 | 오승근 | Structure for connecting gas hose |
| KR200402383Y1 (en) * | 2005-08-29 | 2005-11-30 | 해 만 최 | O-ring structure of use a coupler for agricultural |
| KR101420641B1 (en) * | 2013-08-19 | 2014-07-17 | 주식회사 애강리메텍 | Pipe coupler possible for ratating of pipe |
| KR101555964B1 (en) * | 2015-02-10 | 2015-09-25 | 주식회사 하이스텐 | Socket to connect pipe |
| WO2016108517A1 (en) * | 2015-01-01 | 2016-07-07 | 김석윤 | Pipe connecting device using rotary wedge |
| CN107606359A (en) * | 2017-10-27 | 2018-01-19 | 陈清龙 | A kind of pipe fitting plugs together the connector of self-locking |
| KR20180030958A (en) * | 2016-08-29 | 2018-03-27 | 주식회사 정산애강 | Pipe coupler |
| CN209084243U (en) * | 2018-10-08 | 2019-07-09 | 陈清龙 | A kind of pipe fitting plugs together bayonet connection |
-
2018
- 2018-10-08 CN CN201811167546.0A patent/CN109114338B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179769A (en) * | 1998-12-15 | 2000-06-27 | Toa Kokyu Tsugite Valve Seizo Kk | Pipe fitting |
| KR20040013545A (en) * | 2002-08-07 | 2004-02-14 | 오승근 | Structure for connecting gas hose |
| KR200402383Y1 (en) * | 2005-08-29 | 2005-11-30 | 해 만 최 | O-ring structure of use a coupler for agricultural |
| KR101420641B1 (en) * | 2013-08-19 | 2014-07-17 | 주식회사 애강리메텍 | Pipe coupler possible for ratating of pipe |
| WO2016108517A1 (en) * | 2015-01-01 | 2016-07-07 | 김석윤 | Pipe connecting device using rotary wedge |
| KR101555964B1 (en) * | 2015-02-10 | 2015-09-25 | 주식회사 하이스텐 | Socket to connect pipe |
| KR20180030958A (en) * | 2016-08-29 | 2018-03-27 | 주식회사 정산애강 | Pipe coupler |
| CN107606359A (en) * | 2017-10-27 | 2018-01-19 | 陈清龙 | A kind of pipe fitting plugs together the connector of self-locking |
| CN209084243U (en) * | 2018-10-08 | 2019-07-09 | 陈清龙 | A kind of pipe fitting plugs together bayonet connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109114338A (en) | 2019-01-01 |
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