CN211976231U - Connecting assembly and spherical pipe fitting using same - Google Patents
Connecting assembly and spherical pipe fitting using same Download PDFInfo
- Publication number
- CN211976231U CN211976231U CN202020175183.1U CN202020175183U CN211976231U CN 211976231 U CN211976231 U CN 211976231U CN 202020175183 U CN202020175183 U CN 202020175183U CN 211976231 U CN211976231 U CN 211976231U
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- connecting piece
- locking
- pipe fitting
- inclined plane
- draw
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Abstract
The utility model discloses a coupling assembling and use this coupling assembling's spherical pipe fitting, wherein coupling assembling includes first connecting piece, second connecting piece, locking armful card and screw, is equipped with an outer inclined plane on first connecting piece and the second connecting piece respectively, is equipped with the draw-in groove on the locking armful card, and relative both sides in the draw-in groove are equipped with an inner inclined plane respectively, and distance between two inner inclined planes in the draw-in groove is from inside to outside grow gradually, and the screw passes locking armful card and connects on first connecting piece or second connecting piece. The spherical pipe fitting comprises a pipe fitting body, a first connector is arranged on the pipe fitting body, the first connector is a first connecting piece, the second connecting piece is of a structure connected with the first connector, and a threaded hole is formed in the first connector. The connecting component and the spherical pipe fitting using the same occupy smaller space and apply smaller tightening torque under the condition of meeting the requirements of connecting and sealing pipelines or pipe fittings.
Description
Technical Field
The utility model relates to a connecting device especially relates to a coupling assembling and use this coupling assembling's spherical pipe fitting suitable for pipeline field.
Background
In the field of pipelines, the connection and sealing of pipelines or pipe fittings are generally performed through flanges, the occupied space of the flanges is large, and the connection and sealing requirements can be met only by applying large tightening torque to bolts on the flanges.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a coupling assembling and use this coupling assembling's spherical pipe fitting, it is satisfying under pipeline or pipe connections and the sealed condition, and the space that occupies is littleer, and the tightening torque who applys is also littleer.
The utility model provides a coupling assembling, embrace the card and screw including first connecting piece, second connecting piece, locking, be equipped with an outer inclined plane on first connecting piece and the second connecting piece respectively, the last draw-in groove that is equipped with the first connecting piece of centre gripping and second connecting piece of locking armful card, relative both sides in the draw-in groove are equipped with an inner inclined plane respectively, outer inclined plane phase-match on one of them inner inclined plane and the first connecting piece, outer inclined plane phase-match on another inner inclined plane and the second connecting piece, distance between two inner inclined planes in the draw-in groove is from inside to outside grow gradually, the screw passes locking armful card and connects on first connecting piece or second connecting piece.
The utility model provides a coupling assembling, wherein be equipped with the through-hole on the locking armful card, be equipped with the screw hole on first connecting piece or the second connecting piece, the screw passes through-hole threaded connection in the threaded hole.
The utility model provides a coupling assembling, wherein locking is embraced the card and is established to at least two, at least two locking is embraced the card and is evenly arranged along the circumference of first connecting piece and/or second connecting piece, and every locking is all alternate on embracing the card and has one the screw.
The utility model provides a coupling assembling, wherein be equipped with O type sealing washer between first connecting piece and the second connecting piece.
The utility model provides an use above-mentioned coupling assembling's spherical pipe fitting, including the pipe fitting body, be equipped with first interface on the pipe fitting body, first interface is first connecting piece, the second connecting piece is the structure that is connected with first interface, be equipped with on the first interface the screw hole.
The utility model provides a spherical pipe fitting, wherein the second connecting piece is closing cap or second interface.
The utility model is different from the prior art in that the connecting component and the spherical pipe fitting using the connecting component utilize the principle that the wedge-shaped surface is more and more compact, the first connecting piece and the second connecting piece are clamped in a clamping groove of the locking clamp, the two outer inclined planes are positioned between the two inner inclined planes and attached to the two inner inclined planes, then the screws are gradually screwed, under the action of the screw, the locking clamp gradually clamps the first connecting piece and the second connecting piece, compared with flange connection, because the axial connecting bolt and the corresponding bolt hole on the flange are not provided, the size of the utility model is greatly reduced, meanwhile, the wedge-shaped inclined surface has powerful amplification effect, the required radial wedging force can be greatly reduced to achieve the same axial connecting force, i.e. under the condition of satisfying the connection and sealing of the pipeline or the pipe fitting, the occupied space is smaller, and the applied tightening torque is smaller.
The present invention will be further explained with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a spherical pipe fitting of the present invention;
FIG. 2 is a front cross-sectional view of a spherical pipe of the present invention;
fig. 3 is a schematic view of the connection between the first interface and the sealing cover of the middle spherical pipe fitting of the present invention.
Detailed Description
The utility model provides a coupling assembling includes first connecting piece, second connecting piece, locking armful card and screw, be equipped with an outer inclined plane on first connecting piece and the second connecting piece respectively, be equipped with the draw-in groove of the first connecting piece of centre gripping and second connecting piece on the locking armful card, relative both sides in the draw-in groove are equipped with an inner inclined plane respectively, outer inclined plane phase-match on one of them inner inclined plane and the first connecting piece, outer inclined plane phase-match on another inner inclined plane and the second connecting piece, distance between two inner inclined planes in the draw-in groove is from inside to outside grow gradually, the screw passes locking armful card and connects on first connecting piece or second connecting piece.
The two inner inclined surfaces form a first wedge-shaped surface, and correspondingly, the two outer inclined surfaces form a second wedge-shaped surface matched with the first wedge-shaped surface. The utility model provides a coupling assembling is when using, and first connecting piece is connected or is set up on first equipment, and the second connecting piece is connected or is set up on the second equipment, later through locking the armful card and screw with first connecting piece and second connecting piece interconnect to link together first equipment and second equipment. When the locking clamp is used for connection, the first connecting piece and the second connecting piece are clamped in the clamping groove of the locking clamp, the first wedge-shaped surface is matched with the second wedge-shaped surface, then the screw is gradually screwed, the first wedge-shaped surface and the second wedge-shaped surface are squeezed and tightened, and therefore the locking clamp is used for connecting the first connecting piece and the second connecting piece together.
The utility model provides a coupling assembling, wherein be equipped with the through-hole on the locking armful card, be equipped with the screw hole on first connecting piece or the second connecting piece, the screw passes through-hole threaded connection in the threaded hole.
The utility model provides a coupling assembling, wherein locking is embraced the card and is established to at least two, at least two locking is embraced the card and is evenly arranged along the circumference of first connecting piece and/or second connecting piece, and every locking is all alternate on embracing the card and has one the screw. The locking clasping clamp is uniformly arranged along the circumferential direction of the first connecting piece and/or the second connecting piece, so that the force balance is facilitated, and the locking clasping clamp is more favorable for clamping the first connecting piece and the second connecting piece.
The utility model provides a coupling assembling, wherein be equipped with O type sealing washer between first connecting piece and the second connecting piece, the leakproofness between first connecting piece of reinforcing and the second connecting piece.
As shown in fig. 1, and combine fig. 2 and 3 to show, the utility model provides an use spherical pipe fitting 2 of above-mentioned coupling assembling, including the pipe fitting body, be equipped with first interface on the pipe fitting body, first interface is first connecting piece, the second connecting piece is the structure that is connected with first interface, be equipped with on the first interface the screw hole.
The utility model provides a spherical pipe fitting 2, wherein the second connecting piece is closing cap 1 or second interface. As shown in fig. 1-3, in this embodiment, the second connecting member is a sealing cover 1, outer inclined surfaces are formed on the sealing cover 1 and the first interface of the spherical pipe 2, inner inclined surfaces are formed in the clamping grooves of the locking clasps 3, when the sealing cover 1 and the first interface of the spherical pipe 2 are butted, the locking clasps 3 and the screws 4 are diagonally installed, that is, the number of the locking clasps 3 and the number of the screws 4 are four, the four locking clasps 3 are uniformly arranged along the circumferential direction of the sealing cover 1 and the first interface, the screws 4 are screwed in, the locking clasps 3 correspondingly move inward, an outer wedge (formed by two outer inclined surfaces) formed by the sealing cover 1 and the first interface and an inner wedge (formed by two inner inclined surfaces) of the locking clasps 3 interact with each other, so that the sealing cover 1 and the first interface of the spherical pipe 2 are tightly connected, and an O-type sealing ring is additionally arranged between the sealing cover 1 and the first interface of the spherical pipe 2, the gas in the spherical pipe 2 is prevented from leaking.
Similarly, if the valve or other equipment is connected to the spherical pipe 2, the second interface (i.e. the second connecting member) of the corresponding valve or other equipment can also be processed according to the sealing and locking structure of the sealing cover 1, so as to achieve the effect of locking and sealing.
The utility model discloses utilize wedge face to crowd tight principle more, be about to first connecting piece and second connecting piece centre gripping in locking armful card 3's draw-in groove, two outer inclined planes are located between two inner inclined planes and laminate with it, later screw up screw 4 gradually, under screw 4's effort, locking armful card 3 presss from both sides tight first connecting piece and second connecting piece gradually, compare in flange joint, because do not have the bolt of axial connection, corresponding bolt hole on also not having the flange, consequently the utility model discloses a size dwindles greatly, and wedge inclined plane is powerful simultaneously enlargies the effect, will reach the same axial joint power, and required radial wedge tight power can reduce greatly, is satisfying under pipeline or tube coupling and sealed condition promptly, and the space of occuping is littleer, and the tightening torque of applying is also littleer.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. A connection assembly, characterized by: including first connecting piece, second connecting piece, locking armful card and screw, be equipped with an outer inclined plane on first connecting piece and the second connecting piece respectively, locking armful card is equipped with the draw-in groove of the first connecting piece of centre gripping and second connecting piece, relative both sides in the draw-in groove are equipped with an inner inclined plane respectively, and outer inclined plane phase-match on one of them inner inclined plane and the first connecting piece, outer inclined plane phase-match on another inner inclined plane and the second connecting piece, distance between two inner inclined planes in the draw-in groove is from inside to outside grow gradually, the screw passes locking armful card and connects on first connecting piece or second connecting piece.
2. The connection assembly of claim 1, wherein: the locking clamp is provided with a through hole, the first connecting piece or the second connecting piece is provided with a threaded hole, and the screw penetrates through the through hole and is connected into the threaded hole in a threaded mode.
3. The connection assembly according to claim 1 or 2, wherein: the locking clasps are at least two and are uniformly arranged along the circumferential direction of the first connecting piece and/or the second connecting piece, and one screw is inserted into each locking clasper.
4. The connection assembly of claim 3, wherein: an O-shaped sealing ring is arranged between the first connecting piece and the second connecting piece.
5. A spherical pipe fitting using the connecting assembly as claimed in any one of claims 1 to 4, comprising a pipe fitting body provided with a first port, wherein: the first interface is a first connecting piece, the second connecting piece is a structure connected with the first interface, and the threaded hole is formed in the first interface.
6. The spherical pipe fitting according to claim 5, wherein: the second connecting piece is a sealing cover or a second interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175183.1U CN211976231U (en) | 2020-02-17 | 2020-02-17 | Connecting assembly and spherical pipe fitting using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175183.1U CN211976231U (en) | 2020-02-17 | 2020-02-17 | Connecting assembly and spherical pipe fitting using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211976231U true CN211976231U (en) | 2020-11-20 |
Family
ID=73372834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020175183.1U Active CN211976231U (en) | 2020-02-17 | 2020-02-17 | Connecting assembly and spherical pipe fitting using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211976231U (en) |
-
2020
- 2020-02-17 CN CN202020175183.1U patent/CN211976231U/en active Active
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