CN205956615U - Screw thread lock catch type's quick change coupler - Google Patents
Screw thread lock catch type's quick change coupler Download PDFInfo
- Publication number
- CN205956615U CN205956615U CN201620822577.5U CN201620822577U CN205956615U CN 205956615 U CN205956615 U CN 205956615U CN 201620822577 U CN201620822577 U CN 201620822577U CN 205956615 U CN205956615 U CN 205956615U
- Authority
- CN
- China
- Prior art keywords
- plunger tip
- nut
- lock sleeve
- compression spring
- fittings body
- 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.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 36
- 238000012856 packing Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a screw thread lock catch type's quick change coupler, including connecting the body no. 1, connecting the body no. 2 and lock sleeve, connect the body no. 1 and connect two detachably of the body and is connected, to connect the back and connect that the body no. 1 is anterior to be alternated in connecting the body no. 2, the outside of junction is passed through the lock sleeve and is locked and fix, connecting the body no. 1 and compriseing body no. 1, plunger tip no. 1, compression spring no. 1 and nut no. 1, connect the body no. 2 and comprises body no. 2, plunger tip no. 2, compression spring no. 2 and nut no. 2, the lock sleeve suit is personally experienced sth. Part of the body on two at the joint, is equipped with reset spring and steel ball in the space between body no. 2 and the lock sleeve, is equipped with the draw -in groove with steel ball matched with on the body no. 2, the lock sleeve passes through threaded connection with the joint body no. 1 in addition. The utility model discloses not only have buckle connection structure, still increased threaded connection's hasp form, security greatly increased, and this quick change coupler simple structure, convenient to use, the fault rate is low.
Description
Technical field
This utility model is related to a kind of hydraulic quick coupler, more particularly, to a kind of hydraulic quick coupler of screw thread lock catch type.
Background technology
Hydraulic quick coupler is requisite Hydraulic Elements when fluid pressure line connects, and existing hydraulic quick coupler structure is all more multiple
Miscellaneous, and mostly using the locking mode of buckle-type, as locked not in place or all there is dropout in liquid in pipe instantaneous pressure
Danger, safety is poor.
Content of the invention
This utility model provides a kind of hydraulic quick coupler of screw thread lock catch type, not only has buckle connecting structure, also increases
Threaded lock form, safety greatly increases;And this hydraulic quick coupler structure is simple, easy to use, fault rate is low.
In order to achieve the above object, this utility model employs the following technical solutions realization:
A kind of hydraulic quick coupler of screw thread lock catch type, including fittings body one, fittings body two and lock sleeve, fittings body one and joint
Body two is detachably connected, and after connection, fittings body one front portion is interspersed in fittings body two, and the outside of junction is passed through to lock lock set
Fasten;Described fittings body one is made up of body one, plunger tip one, compression spring one and nut one, and plunger tip one is located in body one,
And can move axially along body one;Nut one is located at plunger tip one rear portion, is threaded connection with body one, plunger tip one and nut one
Between set compression spring one, plunger tip one front portion be provided with sealing the shaft shoulder one, hold out against in body one in the presence of compression spring one
Sealing between cavity before and after realizing in annular seal space one;Described fittings body two is by body two, plunger tip two, compression spring two and
Nut two forms, and plunger tip two is located in body two, and can move axially along body two;Nut two is located at plunger tip two rear portion, with this
Body two is threaded connection, and sets compression spring two between plunger tip two and nut two, and plunger tip two front portion sets the sealing shaft shoulder two, in compression
The sealing between cavity before and after realizing in the annular seal space two of body two is held out against in the presence of spring two;Plunger tip one and plunger tip
Two front portions are respectively equipped with push rod section one and push rod section two, after fittings body one is connected by lock sleeve, push rod section one with fittings body two
Contact with push rod section two, and now the sealing shaft shoulder one is more than annular seal space one and annular with sealing the distance between shaft shoulder two
The distance between annular seal space two;Lock sleeve is sleeved on fittings body two, is provided with reset in the space between body two and lock sleeve
Spring and steel ball, body two is provided with the draw-in groove matching with steel ball;Lock sleeve and fittings body one are additionally by threadeding.
The rear portion of the described sealing shaft shoulder one is provided with ring packing sealing one, sets between lip ring one and compression spring one
Spring base one;The rear portion of the sealing shaft shoulder two is provided with lip ring two, sets spring between lip ring two and compression spring two
Seat two.
The described sealing shaft shoulder one and the sealing shaft shoulder two have the truncated cone structure posteriorly expanding, corresponding ring packing
The shape in chamber is matched therewith.
Between described nut one and body one, between nut two and body two, it is respectively equipped between body one and body two
Sealing ring.
Compared with prior art, the beneficial effects of the utility model are:
Not only there is buckle connecting structure, also add threaded lock form, safety greatly increases;And this is fast
Changing-over header structure is simple, and easy to use, fault rate is low.
Brief description
Fig. 1 is the structural representation of the hydraulic quick coupler of screw thread lock catch type described in the utility model.
Fig. 2 is the structural representation of fittings body one described in the utility model.
Fig. 3 is the structural representation of fittings body two described in the utility model and lock sleeve.
In figure:1. fittings body one 11. body one 12. plunger tip one 13. compression spring, one 14. nut 1 seal shaft
Take on one 16. push rod section, one 17. lip ring, one 18. spring base, one 2. fittings body, 2 21. body 2 22. plunger tip two
23. compression spring, 2 24. nut 2 25. seals the shaft shoulder 2 26. push rod section, 2 27. lip ring 2 28. spring base two
3. lock sleeve 31. annular boss 4. back-moving spring 5. steel ball 6. sealing ring
Specific embodiment
Below in conjunction with the accompanying drawings specific embodiment of the present utility model is described further:
See Fig. 1-Fig. 3, be structural representation of the present utility model, a kind of quick change of screw thread lock catch type described in the utility model
Joint, including fittings body 1, fittings body 22 and lock sleeve 3, fittings body 1 is detachably connected with fittings body 22, after connection
Fittings body 1 front portion is interspersed in fittings body 22, and the outside of junction is locked by lock sleeve 3;Described fittings body 1
It is made up of body 1, plunger tip 1, compression spring 1 and nut 1, plunger tip 1 is located in body 1, and can edge
Body 1 moves axially;Nut 1 is located at plunger tip 1 rear portion, is threaded connection with body 1, plunger tip 1 and spiral shell
Compression spring 1 is set, plunger tip 1 front portion is provided with the sealing shaft shoulder 1, in the presence of compression spring 1 between female 1
Hold out against the sealing between cavity before and after realizing in the annular seal space one of body 1;Described fittings body 22 by body 2 21,
Plunger tip 2 22, compression spring 2 23 and nut 2 24 composition, plunger tip 2 22 is located in body 2 21, and can along body 2 21 axially
Mobile;Nut 2 24 is located at plunger tip 2 22 rear portion, is threaded connection with body 2 21, sets between plunger tip 2 22 and nut 2 24
Compression spring 2 23, plunger tip 2 22 front portion sets the sealing shaft shoulder 2 25, holds out against in body 2 21 in the presence of compression spring 2 23
Annular seal space two in realize before and after sealing between cavity;Plunger tip 1 and plunger tip 2 22 front portion are respectively equipped with push rod section one
16 and push rod section 2 26, after fittings body 1 is connected by lock sleeve 3 with fittings body 22, push rod section 1 and push rod section 2 26 phase
Contact, and now the sealing shaft shoulder 1 is more than annular seal space one and annular seal space two with sealing the distance between shaft shoulder 2 25
The distance between;Lock sleeve 3 is sleeved on fittings body 22 and can be along fittings body 22 slide outside, body 2 21 and lock sleeve 3
Between space in be provided with back-moving spring 4, body 2 21 sets steel ball 5, body 1 is provided with the draw-in groove matching with steel ball 5,
Annular boss 31 is set inside lock sleeve 3;Lock sleeve 3 and fittings body 1 are additionally by threadeding.
The rear portion of the described sealing shaft shoulder 1 is provided with ring packing sealing 1, lip ring 1 and compression spring one
Spring base 1 is set between 13;The rear portion of the sealing shaft shoulder 2 25 is provided with lip ring 2 27, lip ring 2 27 and compression
Spring base 2 28 is set between spring 2 23.
The described sealing shaft shoulder 1 and the sealing shaft shoulder 2 25 have the truncated cone structure posteriorly expanding, corresponding annular
The shape of annular seal space is matched therewith.
Between described nut 1 and body 1, between nut 2 24 and body 2 21, body 1 and body 2 21
Between be respectively equipped with sealing ring 6.
In the case of being not connected with, lock sleeve 3 is connected to one with fittings body 22, and fittings body 1 is as connected
Part;During connection, the front end of fittings body 1 is inserted in fittings body 22, then is connected by lock sleeve 3;After lock sleeve 3 slides, will
Steel ball 5 bottom in body 2 21 is pressed in the draw-in groove on body 1 realizes buckle-type connection, and buckle-type is connected as fast changing-over
The conventional connected mode of head.It is additionally provided between lock sleeve 3 of the present utility model and fittings body 1 and threadeds, during connection, will connect
After in the front end insertion fittings body 22 of head body 1, rotation lock set 3, by annular boss 31 by steel ball 5 press-in connector body 1
While, also by threadeding between lock sleeve 3 and fittings body 1;Increased safety and the reliability of hydraulic quick coupler connection
Property.
Pipe screw thread is set, for connecting fluid pressure line inside nut 1 and nut 2 24.
Front portion described in the utility model refers to the part near fittings body 1 and fittings body 22 connection end, and rear portion is remote from
The part of connection end.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
Be confined to this, any those familiar with the art in the technical scope that this utility model discloses, according to this practicality
New technical scheme and its design in addition equivalent or change, all should cover within protection domain of the present utility model.
Claims (4)
1. a kind of hydraulic quick coupler of screw thread lock catch type, including fittings body one, fittings body two and lock sleeve, fittings body one and fittings body
Two is detachably connected, and after connection, fittings body one front portion is interspersed in fittings body two, and the outside of junction is passed through to lock cover locking
Fixing;It is characterized in that, described fittings body one is made up of body one, plunger tip one, compression spring one and nut one, and plunger tip one is located at
In body one, and can move axially along body one;Nut one is located at plunger tip one rear portion, is threaded connection with body one, plunger tip
Compression spring one is set, plunger tip one front portion is provided with the sealing shaft shoulder one, holds out against in the presence of compression spring one between one and nut one
Sealing between cavity before and after realizing in the annular seal space one of body one;Described fittings body two is by body two, plunger tip two, pressure
Contracting spring two and nut two form, and plunger tip two is located in body two, and can move axially along body two;Nut two is located at plunger tip two
Rear portion, is threaded connection with body two, sets compression spring two between plunger tip two and nut two, and plunger tip two front portion sets the sealing shaft shoulder
Two, hold out against the sealing between cavity before and after realizing in the annular seal space two of body two in the presence of compression spring two;Top
Core one and plunger tip two front portion are respectively equipped with push rod section one and push rod section two, and fittings body one is connected by lock sleeve with fittings body two
Afterwards, push rod section one and push rod section two contact, and now the sealing shaft shoulder one is close more than annular with sealing the distance between shaft shoulder two
The distance between envelope chamber one and annular seal space two;Lock sleeve be sleeved on fittings body two and can along fittings body two slide outside,
It is provided with back-moving spring in space between body two and lock sleeve, body two sets steel ball, body one is provided with and is matched with steel ball
The draw-in groove closing, sets annular boss inside lock sleeve two;Lock sleeve and fittings body one are additionally by threadeding.
2. a kind of hydraulic quick coupler of screw thread lock catch type according to claim 1 is it is characterised in that the described sealing shaft shoulder one
Rear portion is provided with lip ring one, sets spring base one between lip ring one and compression spring one;The rear portion of the sealing shaft shoulder two
It is provided with lip ring two, between lip ring two and compression spring two, set spring base two.
3. a kind of hydraulic quick coupler of screw thread lock catch type according to claim 1 is it is characterised in that the described sealing shaft shoulder one He
The sealing shaft shoulder two has the truncated cone structure posteriorly expanding, and the shape of corresponding annular seal space is matched therewith.
4. a kind of hydraulic quick coupler of screw thread lock catch type according to claim 1 is it is characterised in that described nut one and body
Between one, between nut two and body two, between body one and body two, it is respectively equipped with sealing ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620822577.5U CN205956615U (en) | 2016-08-01 | 2016-08-01 | Screw thread lock catch type's quick change coupler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620822577.5U CN205956615U (en) | 2016-08-01 | 2016-08-01 | Screw thread lock catch type's quick change coupler |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205956615U true CN205956615U (en) | 2017-02-15 |
Family
ID=57973953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620822577.5U Expired - Fee Related CN205956615U (en) | 2016-08-01 | 2016-08-01 | Screw thread lock catch type's quick change coupler |
Country Status (1)
Country | Link |
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CN (1) | CN205956615U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109443054A (en) * | 2018-12-19 | 2019-03-08 | 济南鲍德炉料有限公司日照市分公司 | Annular lime kiln air heat exchanger |
-
2016
- 2016-08-01 CN CN201620822577.5U patent/CN205956615U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109443054A (en) * | 2018-12-19 | 2019-03-08 | 济南鲍德炉料有限公司日照市分公司 | Annular lime kiln air heat exchanger |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 |