CN209664031U - A kind of detachable elastic ball-and-socket connector of bend pipe plug - Google Patents
A kind of detachable elastic ball-and-socket connector of bend pipe plug Download PDFInfo
- Publication number
- CN209664031U CN209664031U CN201821800587.4U CN201821800587U CN209664031U CN 209664031 U CN209664031 U CN 209664031U CN 201821800587 U CN201821800587 U CN 201821800587U CN 209664031 U CN209664031 U CN 209664031U
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- ball
- socket
- hemisphere
- pearl
- outermost
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- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a kind of detachable elastic ball-and-socket connector of bend pipe plug, including the outermost side core ball being made of raised half ball of an outermost and outermost half ball of recess, the intermediate core ball-and-socket pearl, elastic restraint body and the circlip that are made of a half ball-and-socket pearl of intermediate projections and a half ball-and-socket pearl of intermediate recess；Wherein it is connected between raised half ball of the outermost and outermost half ball of recess by pin；It is connected between the half ball-and-socket pearl of half ball-and-socket pearl of intermediate projections and intermediate recess by pin；It is separately installed with 6 elastic restraint bodies on the outermost side core ball and intermediate core ball-and-socket pearl, intermediate core ball-and-socket pearl is installed on the outermost side core ball；Circlip is also separately installed on the outermost side core ball and intermediate core ball-and-socket pearl.Detachable elastic ball-and-socket connector support accuracy height of the utility model, modularization, detachably, facilitate installation.
Description
Technical field
The utility model relates to a kind of detachable elastic ball-and-socket connectors of bend pipe plug.
Background technique
Metallic thin wall hollow round tube due to answering with advantages such as intensity height, light weight, easily molded, good appearances extensively
For fields such as Aeronautics and Astronautics, vehicle, ship and petrochemical industries.However, big radius-thickness ratio, thin-wall tube of small bend radius are in numerical control
When bending forming, since bend pipe inner tube wall is pressurized, it is very easy to Instability wrinkling；Outside tension is thinned, it is easy to drawing crack；The two
Resultant force so that bend pipe section fasciation is distorted, or even collapse, thus shape it is difficult.To reduce big radius-thickness ratio, small-bend radius
The forming defects of thin-wall tube, thin-wall tube need to install plug inside tubing in bending forming process, provide pipe fitting internal
Support, collapses and distorts to be effectively reduced bend pipe section.Common mandrel-type has ball-and-socket type plug and chain type plug.Often
There are larger gaps between the ball and nest of the plug pearl in ball-and-socket type plug seen, between the axis and chain piece of chain type plug exist compared with
Big gap can make core ball and naturally droop because of self weight, cannot be fixed on some specific position.In addition, plug and thin-walled
There is also gaps between pipe, keep plug not high to the support accuracy of thin-wall tube, to influence big radius-thickness ratio, small-bend radius thin-walled
The bending precision of pipe.
Utility model content
The utility model aim is that the core club to solve existing plug naturally droops because of self weight, cannot be fixed on certain
A specific position and plug is not high enough to the support accuracy of thin-wall tube influences big radius-thickness ratio, thin-wall tube of small bend radius bending
The problem of precision, proposes the detachable elastic ball-and-socket connection of a kind of support accuracy height, modularization, dismountable bend pipe plug
Body.
In order to achieve the above object, the technical solution of the present invention is:
A kind of detachable elastic ball-and-socket connector of bend pipe plug, including by raised half ball of an outermost and one
Outermost be recessed half ball composition outermost side core ball, by a half ball-and-socket pearl of intermediate projections and half ball-and-socket of intermediate recess
Intermediate core ball-and-socket pearl, elastic restraint body and the circlip of pearl composition；Wherein raised half ball of the outermost and outermost recess
It is connected between half ball by pin；It is connected between the half ball-and-socket pearl of half ball-and-socket pearl of intermediate projections and intermediate recess by pin；
6 elastic restraint bodies, the outermost side core ball are separately installed on the outermost side core ball and intermediate core ball-and-socket pearl
One end on intermediate core ball-and-socket pearl is installed；Card is also separately installed on the outermost side core ball and intermediate core ball-and-socket pearl
Spring.
The elastic restraint body includes constraint ball, tension spring and thread cylinder；Equipped with for installing on the constraint ball
The mounting ring of tension spring；The fixing body for installing tension spring is also equipped on the thread cylinder；The tension spring is installed on described
Mounting ring and fixing body between；External screw thread is machined on the cylindrical surface of the thread cylinder.
Raised half ball of the outermost includes half frustum of connection of the first hemisphere, semicolumn bottom and centre, described
Outermost half ball of recess includes half frustum of connection of the second hemisphere, semicolumn bottom and centre；First hemisphere and second
The top of hemisphere offers internal thread hole corresponding with thread cylinder external screw thread respectively, and the internal thread hole is respectively directed to first
The centre of sphere of hemisphere and the second hemisphere；The internal thread hole of first hemisphere and the second hemisphere respectively with elastic restraint body threaded circular
External thread spiro fastening on column is connected, and the half of the constraint ball in the elastic restraint body is made to be exposed at the first hemisphere and the second hemisphere
Surface；
The bottom at the semicolumn bottom of raised half ball of the outermost and outermost half ball of recess is provided with half ball；
The first mounting platform of core ball and the first installation groove of circlip are machined on the outer surface at the semicolumn bottom.
The half ball-and-socket pearl of intermediate projections includes the connection half cone of first hemisphere at top, half ball-and-socket of bottom and centre
Platform, the half ball-and-socket pearl of intermediate recess include half frustum of connection of second hemisphere at top, half ball-and-socket of bottom and centre；Institute
The top of the first hemisphere and the second hemisphere stated offers three internal thread holes corresponding with thread cylinder external screw thread respectively, described
Internal thread hole be respectively directed to the centre of sphere of the first hemisphere and the second hemisphere；The internal thread hole of first hemisphere and the second hemisphere
It is connected respectively with the external thread spiro fastening on elastic restraint body thread cylinder, and makes the half of the constraint ball in the elastic restraint body
It is exposed at the surface of the first hemisphere and the second hemisphere；
The inner tip of half ball-and-socket of the half ball-and-socket pearl bottom of half ball-and-socket pearl of intermediate projections and intermediate recess is machined with
Bulb-shaped recess corresponding with constraint ball is elastically engaged between the bulb-shaped recess and constraint ball, can constrain plug core ball and core
Relative positional relationship between ball, core ball and mandrel allows core ball to be fixed on some specified position, and it is curved to thin-walled to improve plug
The support accuracy of pipe；
The bottom of half ball-and-socket of the bottom of the half ball-and-socket pearl of half ball-and-socket pearl of intermediate projections and intermediate recess is provided with tiltedly
Face；The outer surface of half ball-and-socket of the bottom is cylindrical surface, and the second mounting platform of core ball is machined on the cylindrical surface
With the second installation groove of circlip.
It is separately installed with rectangular preiection sliding block on raised half ball of the outermost and half ball-and-socket pearl of intermediate projections, it is described
Outermost be recessed on half ball and half ball-and-socket pearl of intermediate recess and offer rectangular depression corresponding with rectangular preiection sliding block respectively
Groove；Pin installation through-hole is offered respectively among the rectangular preiection sliding block and rectangular depression groove.
The circlip is C-shaped clamp spring.
The beneficial effects of the utility model are:
1) the first hemisphere 213 of raised half ball 11 of the utility model outermost and outermost are recessed the second of half ball 12
Hemisphere 222 forms one " ball ", the hemisphere of the half ball-and-socket pearl 22 of half ball-and-socket 214 and intermediate recess of half ball-and-socket pearl 21 of intermediate projections
Nest 214 forms one " nest ", while the of half ball-and-socket pearl 22 of the first hemisphere 213 of half ball-and-socket pearl 21 of intermediate projections and intermediate recess
Two hemisphere 222 form one " ball ", and " ball " and " nest " cooperatively forms ball-and-socket mating connection；Elastic restraint body 3 is installed on " ball ",
" nest " inner tip is machined with bulb-shaped recess, makes to constrain ball and bulb-shaped recess forms elastic ball-and-socket constraint, can constrain plug core
Relative positional relationship between ball and core ball, core ball and mandrel allows core ball to be fixed on some specified position, improves plug pair
The support accuracy of bend pipe.
2) external screw thread 332, the first hemisphere 213 and the second hemisphere are machined on the cylindrical surface of the utility model thread cylinder 33
222 top is machined with internal thread hole 216, and elastic restraint body 3 facilitates installation and maintenance by being threaded on hemisphere.
3) between raised half ball 11 of the utility model outermost and half ball-and-socket pearl 21 of intermediate projections, outermost is recessed hemisphere
Between half ball-and-socket pearl 22 of pearl 12 and intermediate recess, is cooperated by rectangular channel, then knock in pin and fix, keep entire ball-and-socket connector removable
It unloads, facilitates installation, maintenance.
4) bottom of half ball-and-socket 214 of the utility model is provided with inclined-plane 218, makes the relative rotation angle of " ball " and " ball-and-socket "
It is bigger, be conducive to the bending forming of small-bend radius.
5) detachable elastic ball-and-socket connector support accuracy height of the utility model, modularization, detachably, facilitate peace
Dress.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the enlarged structure schematic diagram of elastic obligatory point in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram of half ball of outermost protrusion in Fig. 1；
Fig. 4 is the enlarged structure schematic diagram of half ball-and-socket pearl of intermediate projections in Fig. 1；
Fig. 5 is the enlarged structure schematic diagram of half ball of outermost recess in Fig. 1；
Fig. 6 is the enlarged structure schematic diagram of half ball-and-socket pearl of intermediate recess in Fig. 1.
Specific embodiment
The detachable elastic ball-and-socket connector of a kind of bend pipe plug of the present embodiment, as shown in Fig. 1-6, including by one
Raised half ball 11 of a outermost and an outermost are recessed the outermost side core ball 1, convex by a centre of half ball 12 composition
Play intermediate core ball-and-socket pearl 2, elastic restraint body 3 and the circlip 4 of half ball-and-socket pearl 21 and a half ball-and-socket pearl 22 of intermediate recess composition；Its
Described in raised half ball 11 of outermost and outermost be recessed between half ball 12 and be connected by pin 5；The intermediate projections
It is connected between half ball-and-socket pearl 22 of half ball-and-socket pearl 21 and intermediate recess by pin 5；The outermost side core ball 1 and intermediate core ball
It is separately installed with 6 elastic restraint bodies 3 on nest pearl 2, intermediate core ball-and-socket pearl is installed on one end of the outermost side core ball 1
2；Circlip 4 is also separately installed on the outermost side core ball 1 and intermediate core ball-and-socket pearl 2.
The elastic restraint body 3 includes constraint ball 31, tension spring 32 and thread cylinder 33；It is equipped on the constraint ball 31
For installing the mounting ring 311 of tension spring 32；The fixing body 331 for installing tension spring is also equipped on the thread cylinder 33；Institute
The tension spring 32 stated is installed between the mounting ring 311 and fixing body 331；It is processed on the cylindrical surface of the thread cylinder 33
There is external screw thread 332.
Raised half ball 11 of the outermost includes the connection half cone of the first hemisphere 213, semicolumn bottom 111 and centre
Platform 215, outermost half ball 12 of recess include half frustum of connection of the second hemisphere 222, semicolumn bottom 111 and centre
215；The top of first hemisphere 213 and the second hemisphere 222 offers corresponding with 33 external screw thread 332 of thread cylinder respectively
Internal thread hole 216, the internal thread hole 216 is respectively directed to the centre of sphere of the first hemisphere 213 and the second hemisphere 222；Described
The internal thread hole 216 of first hemisphere 213 and the second hemisphere 222 respectively with the external screw thread on 3 thread cylinder 33 of elastic restraint body
332 screw togather connected, and the half of the constraint ball 31 in the elastic restraint body 3 are made to be exposed at the first hemisphere 213 and the second hemisphere
222 surface；
The bottom setting at the semicolumn bottom 111 of raised half ball 11 of the outermost and outermost half ball 12 of recess
There is half ball 112；Be machined on the outer surface at the semicolumn bottom 111 core ball the first mounting platform 113 and circlip 4
One installation groove 114.
The half ball-and-socket pearl 21 of intermediate projections includes first hemisphere 213 at top, half ball-and-socket 214 of bottom and centre
Half frustum 215 is connected, the half ball-and-socket pearl 22 of intermediate recess includes half ball-and-socket 214 of second hemisphere 222 at top, bottom
With intermediate half frustum 215 of connection；The top of first hemisphere 213 and the second hemisphere 222 offers three and spiral shell respectively
The corresponding internal thread hole 216 of 33 external screw thread of line cylinder 332, the internal thread hole 216 are respectively directed to the first hemisphere 213 and second
The centre of sphere of hemisphere 222；The internal thread hole 216 of first hemisphere 213 and the second hemisphere 222 respectively with 3 spiral shell of elastic restraint body
External screw thread 332 on line cylinder 33 screws togather connected, and the half of the constraint ball 31 in the elastic restraint body 3 is made to be exposed at the first half
The surface of ball 213 and the second hemisphere 222；
The inner tip of half ball-and-socket 214 of 22 bottom of half ball-and-socket pearl 21 of intermediate projections and half ball-and-socket pearl of intermediate recess
It is machined with bulb-shaped recess 217 corresponding with constraint ball 31, is elastically engaged between the bulb-shaped recess 217 and constraint ball 31, it is reducible
Relative positional relationship between beam plug core ball and core ball, core ball and mandrel allows core ball to be fixed on some specified position,
Plug is improved to the support accuracy of thin-winding pipe；
The bottom of half ball-and-socket 214 of the bottom of the half ball-and-socket pearl 22 of half ball-and-socket pearl 21 of intermediate projections and intermediate recess is set
It is equipped with inclined-plane 218；The outer surface of half ball-and-socket 214 of the bottom is cylindrical surface 223, is machined on the cylindrical surface 223
Second mounting platform 224 of core ball and the second installation groove 225 of circlip 4.
Rectangular preiection sliding block is separately installed on raised half ball 11 of the outermost and half ball-and-socket pearl 21 of intermediate projections
211, the outermost is recessed on half ball 12 and half ball-and-socket pearl 22 of intermediate recess to be offered and rectangular preiection sliding block 211 respectively
Corresponding rectangular depression groove 221；Pin is offered respectively among the rectangular preiection sliding block 211 and rectangular depression groove 221
Installation through-hole 212.
The circlip 4 is C-shaped clamp spring.
When installation, outermost ball-and-socket connector is installed first.First raised half ball 11 of outermost and outermost are recessed
Half ball 12 forms outermost side core ball 1, is combined together rectangular preiection sliding block 211 and rectangular depression groove 221；Then
Pin 5 is knocked in pin installation through-hole 212；Circlip 4 is fitted into the first installation groove 114 again.Finally by 6 elastic restraint bodies 3
It is respectively charged into the internal thread hole 216 of the first hemisphere 213 and the second hemisphere 222.
Then, intermediate ball-and-socket connector is installed.First by half ball-and-socket pearl 21 of intermediate projections and half ball-and-socket of intermediate recess
Half ball-and-socket 214 of the bottom of pearl 22 is installed on outside the first hemisphere 213 and the second hemisphere 222 of outermost side core ball 1, composition
Intermediate core ball-and-socket pearl 2 is combined together rectangular preiection sliding block 211 and rectangular depression groove 221；Then in pin installation through-hole
Pin 5 is knocked in 212；Circlip 4 is fitted into the second installation groove 225 again.6 elastic restraint bodies 3 are finally respectively charged into first
In the internal thread hole 216 of hemisphere 213 and the second hemisphere 222.
According to the number of required installation core ball, whole ball-and-socket connector peaces is can be completed in the installation steps for repeating second step
Dress.
The first hemisphere 213 of half ball 11 of outermost protrusion and outermost are recessed the second the half of half ball 12 in the present embodiment
Ball 222 forms one " ball ", half ball-and-socket of the half ball-and-socket pearl 22 of half ball-and-socket 214 and intermediate recess of half ball-and-socket pearl 21 of intermediate projections
214 form one " nest ", while the second of half ball-and-socket pearl 22 of the first hemisphere 213 of half ball-and-socket pearl 21 of intermediate projections and intermediate recess
Hemisphere 222 forms one " ball ", and " ball " and " nest " cooperatively forms ball-and-socket mating connection；Elastic restraint body 3 is installed on " ball ",
" nest " inner tip is machined with bulb-shaped recess, makes to constrain ball and bulb-shaped recess forms elastic ball-and-socket constraint, can constrain plug core
Relative positional relationship between ball and core ball, core ball and mandrel allows core ball to be fixed on some specified position, improves plug pair
The support accuracy of bend pipe.
Secondly it is machined with external screw thread 332 in the present embodiment on the cylindrical surface of thread cylinder 33, the first hemisphere 213 and the second half
The top of ball 222 offers internal thread hole 216, and elastic restraint body 3 facilitates installation and maintenance by being threaded on hemisphere.
It is again in the present embodiment between outermost half ball 11 of protrusion and half ball-and-socket pearl 21 of intermediate projections, outermost recess half
Between half ball-and-socket pearl 22 of ball 12 and intermediate recess, is cooperated by rectangular channel, then knock in pin and fix, make entire ball-and-socket connector can
Disassembly facilitates installation, maintenance.
There are also the bottoms of half ball-and-socket 214 in the present embodiment to be provided with inclined-plane 218, makes the relative rotation angle of " ball " and " ball-and-socket "
Degree is bigger, is conducive to the bending forming of small-bend radius.
Detachable elastic ball-and-socket connector support accuracy height of the present embodiment, modularization, detachably, facilitate installation.
Claims (5)
1. a kind of detachable elastic ball-and-socket connector of bend pipe plug, it is characterised in that: including by an outermost protrusion half
The outermost side core ball (1) of ball (11) and outermost recess half ball (12) composition, by half ball-and-socket of intermediate projections
Intermediate core ball-and-socket pearl (2), elastic restraint body (3) and the circlip (4) of pearl (21) and a half ball-and-socket pearl (22) of intermediate recess composition；
Wherein it is connected between raised half ball (11) of the outermost and outermost recess half ball (12) by pin (5)；Described
It is connected between half ball-and-socket pearl (22) of half ball-and-socket pearl (21) of intermediate projections and intermediate recess by pin (5)；The outermost side core ball
It is separately installed with 6 elastic restraint bodies (3) on pearl (1) and intermediate core ball-and-socket pearl (2), the one of the outermost side core ball (1)
Intermediate core ball-and-socket pearl (2) is installed on end；It is also installed respectively on the outermost side core ball (1) and intermediate core ball-and-socket pearl (2)
There are circlip (4),
Rectangular preiection sliding block is separately installed on raised half ball (11) of the outermost and half ball-and-socket pearl (21) of intermediate projections
(211), it is offered respectively on the described outermost recess half ball (12) and half ball-and-socket pearl (22) of intermediate recess and rectangular preiection
The corresponding rectangular depression groove (221) of sliding block (211)；In the rectangular preiection sliding block (211) and rectangular depression groove (221)
Between offer pin installation through-hole (212) respectively.
2. a kind of detachable elastic ball-and-socket connector of bend pipe plug as described in claim 1, it is characterised in that: described
Elastic restraint body (3) includes constraint ball (31), tension spring (32) and thread cylinder (33)；It is equipped with and is used on the constraint ball (31)
The mounting ring (311) of tension spring (32) is installed；The fixing body for installing tension spring is also equipped on the thread cylinder (33)
(331)；The tension spring (32) is installed between the mounting ring (311) and fixing body (331)；The thread cylinder
(33) external screw thread (332) are machined on cylindrical surface.
3. a kind of detachable elastic ball-and-socket connector of bend pipe plug as described in claim 1, it is characterised in that: described
Outermost half ball of protrusion (11) includes half frustum of connection (215) of the first hemisphere (213), semicolumn bottom (111) and centre, institute
The outermost recess half ball (12) stated includes half frustum of connection of the second hemisphere (222), semicolumn bottom (111) and centre
(215)；The top of first hemisphere (213) and the second hemisphere (222) offers and thread cylinder (33) external screw thread respectively
(332) corresponding internal thread hole (216), the internal thread hole (216) are respectively directed to the first hemisphere (213) and the second hemisphere
(222) the centre of sphere；The internal thread hole (216) of first hemisphere (213) and the second hemisphere (222) respectively with elastic restraint body
(3) external screw thread (332) on thread cylinder (33) screws togather connected, and makes constraint ball (31) in the elastic restraint body (3)
Half is exposed at the surface of the first hemisphere (213) and the second hemisphere (222)；
The bottom setting at the semicolumn bottom (111) of raised half ball (11) of the outermost and outermost recess half ball (12)
There are half ball (112)；The first mounting platform (113) and card of core ball are machined on the outer surface at the semicolumn bottom (111)
The first installation groove (114) of spring (4).
4. a kind of detachable elastic ball-and-socket connector of bend pipe plug as described in claim 1, it is characterised in that: described
Half ball-and-socket pearl (21) of intermediate projections includes the connection half cone of first hemisphere (213) at top, half ball-and-socket (214) of bottom and centre
Platform (215), the half ball-and-socket pearl (22) of intermediate recess include top the second hemisphere (222), bottom half ball-and-socket (214) and
Intermediate half frustum of connection (215)；The top of first hemisphere (213) and the second hemisphere (222) offers three respectively
Internal thread hole (216) corresponding with thread cylinder (33) external screw thread (332), the internal thread hole (216) are respectively directed to first
The centre of sphere of hemisphere (213) and the second hemisphere (222)；The internal thread hole of first hemisphere (213) and the second hemisphere (222)
(216) it screws togather and is connected with the external screw thread (332) on elastic restraint body (3) thread cylinder (33) respectively, and make the elastic restraint
The half of constraint ball (31) in body (3) is exposed at the surface of the first hemisphere (213) and the second hemisphere (222)；
It pushes up the inside of half ball-and-socket (214) of the half ball-and-socket pearl (21) of intermediate projections and intermediate recess half ball-and-socket pearl (22) bottom
End is machined with bulb-shaped recess (217) corresponding with constraint ball (31), elasticity between the bulb-shaped recess (217) and constraint ball (31)
Cooperation；
The bottom of half ball-and-socket (214) of the bottom of the half ball-and-socket pearl (22) of half ball-and-socket pearl (21) of intermediate projections and intermediate recess
It is provided with inclined-plane (218)；The outer surface of half ball-and-socket (214) of the bottom is cylindrical surface (223), the cylindrical surface
(223) the second mounting platform (224) of core ball and the second installation groove (225) of circlip (4) are machined on.
5. a kind of detachable elastic ball-and-socket connector of bend pipe plug as described in claim 1, it is characterised in that: described
Circlip (4) is C-shaped clamp spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821800587.4U CN209664031U (en) | 2018-11-02 | 2018-11-02 | A kind of detachable elastic ball-and-socket connector of bend pipe plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821800587.4U CN209664031U (en) | 2018-11-02 | 2018-11-02 | A kind of detachable elastic ball-and-socket connector of bend pipe plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209664031U true CN209664031U (en) | 2019-11-22 |
Family
ID=68561013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821800587.4U Expired - Fee Related CN209664031U (en) | 2018-11-02 | 2018-11-02 | A kind of detachable elastic ball-and-socket connector of bend pipe plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209664031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332447A (en) * | 2018-11-02 | 2019-02-15 | 浙江工业大学之江学院 | A kind of detachable elastic ball-and-socket connector of bend pipe plug |
-
2018
- 2018-11-02 CN CN201821800587.4U patent/CN209664031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109332447A (en) * | 2018-11-02 | 2019-02-15 | 浙江工业大学之江学院 | A kind of detachable elastic ball-and-socket connector of bend pipe plug |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |