CN203836449U - Self-locking type quick connecting device - Google Patents
Self-locking type quick connecting device Download PDFInfo
- Publication number
- CN203836449U CN203836449U CN201420234577.4U CN201420234577U CN203836449U CN 203836449 U CN203836449 U CN 203836449U CN 201420234577 U CN201420234577 U CN 201420234577U CN 203836449 U CN203836449 U CN 203836449U
- Authority
- CN
- China
- Prior art keywords
- self
- locking
- air cavity
- connection device
- expander
- 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 - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 27
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000000867 larynx Anatomy 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a self-locking type quick connecting device which comprises connecting outer teeth and a self-locking connector, wherein the outer wall of one end of the self-locking connector is sleeved with a connecting nut, a ventilation valve element and a self-locking spring are arranged at one end of the interior of an air cavity of the self-locking connector, the ventilation valve element is movable, a sealing cover piece is arranged between the ventilation valve element and the wall of the air cavity of the self-locking connector, the inner end of the ventilation valve element abuts against the self-locking spring, one end of each connecting outer tooth is connected into the connecting nut in a screwing mode and is matched with the outer end of the ventilation valve element in an abutting mode, and the outer end of the ventilation valve element is further communicated with an air cavity of the connecting outer teeth. The self-locking type quick connecting device is mainly used for terminal connection of pneumatic tools or devices such as welding cutters and polishing machines and is used under the condition that air supply can not be stopped temporarily due to objective reasons of an air supply pipeline. The self-locking type quick connecting device has the advantages of being easy to operate, safe, reliable, high in sealing performance, capable of achieving connection without tools, convenient to dismount, capable of being used repeatedly and achieving mobile operation easily and the like.
Description
Technical field
The utility model relates to industrial gas and supplies with field, is a kind of self-locking quick connection device connecting for welding the terminal of pneumatic tools such as cutting tool, polisher or equipment specifically.
Background technique
Along with improving constantly of production automation degree, the application of pneumatics expands rapidly, and the description of pneumatic tool or equipment continues to increase.And gas supply is a vital link in pneumatic tool or equipment, directly affect the service behaviour of this instrument or equipment.
In conventional art, air supply pipe is to adopt larynx hoop or iron wire to tie up to be connected with the joint of pneumatic tool or equipment, and the quality of tying up and the qualification of work have direct relation, and the present situation that ubiquity leaks has caused many potential safety hazards for this reason.Meanwhile, also cumbersome during its dismounting, need to be by instrument, operation inconvenience, efficiency is low.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provide a kind of simple to operate, safe and reliable, good seal performance, without instrument connect, dismounting is convenient, can Reusability, be convenient to the self-locking quick connection device of mobile operational process.
The utility model, for solving its technical problem, has adopted following technological scheme:
A kind of self-locking quick connection device, comprise and connect outer tooth and Self-locking joint, on one end outer wall of described Self-locking joint, be set with attaching nut, in the air cavity of described Self-locking joint, one end is provided with ventilation spool and self-locking spring, the removable setting of described ventilation spool, between the air cavity wall of itself and Self-locking joint, be provided with sealed cover slip, the inner of described ventilation spool is supported mutually with self-locking spring, the outer tooth of described connection one end is bolted in attaching nut, and support and coordinate with the outer end of ventilation spool, the outer end of described ventilation spool is also connected with the air cavity that is connected outer tooth.
Further, described ventilation spool is provided with the first seal ring being sealed and matched with sealed cover slip, described sealed cover slip is provided with the second seal ring that the air cavity wall with Self-locking joint is sealed and matched, and is also provided with the 3rd seal ring being sealed and matched with the air cavity wall that is connected outer tooth on described sealed cover slip.
Further, described sealed cover slip is bolted on the air cavity wall of Self-locking joint.
Further, air cavity one end of the outer tooth of described connection is provided with interior narrow outer wide horn-like suction port, described sealed cover slip outer end is provided with the inclined-plane coordinating with the inwall of this horn-like suction port, and described the 3rd seal ring is placed between this inclined-plane and the inwall of horn-like suction port.
Further, described attaching nut is sleeved on one end outer wall of Self-locking joint by a locking jump ring.
Preferably, the other end of described Self-locking joint is provided with internal thread expander formula linkage structure, this structure comprises screw thread expander, is coated at the cutting ferrule of screw thread expander, is located at the seal ring between cutting ferrule and screw thread expander, is provided with several profile of tooth draw-in grooves on described cutting ferrule inwall.
Inferior choosing, the other end of described Self-locking joint is provided with expander external-compression type linkage structure, and this structure comprises that taper expander fuse and thread jacket are in the overcoat pressure pipe of taper expander fuse, and the front end of described overcoat pressure pipe is provided with outer little interior large horn mouth.
Select, the other end of described Self-locking joint is provided with core-inset type linkage structure again, and this structure comprises lock pin and is arranged on the reverse buckling type screens of the several continuous distributed vertically on lock pin outer wall.
Compared with prior art, the utlity model has following advantage:
1, safety
1) self-locking quick connection device is with fixing overcoat, is enclosed within on pipe, by the active force of screw thread, makes joint and pipe form an integral body, and workman need only install and just can guarantee without leaking by technological process operation.
2) design that is tightly connected of self-locking quick connection device is unique, and while being connected with use instrument, only with hand is tightened and just can be guaranteed without leaking, and can block voluntarily again when separated with instrument.
2, energy-conservation
1) design of this quick access device is to carry out without the direction of instrument for anti-leak, operational standardization, connection sealing, and for this reason, whole connection is sealed and does not substantially have leakage phenomenon, energy loss can be reduced to minimum.
2) because it connects without instrument, for this reason easy for operation at the scene, can effectively increase work efficiency.
3) this quick access device is removable design, the repeated multiple times use of energy, and phenomenon cuts the waste.
3, easy to operate
1) product is to manufacture and design according to hommization, and no matter new and old employee only need, by shirtsleeve operation flow process, just can install to connect and use for this reason.
2) with use being connected and dismounting of instrument, only with hand operation is auxiliary without other instrument.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of the utility model structural representation.
Fig. 2 is the another kind of embodiment's of the utility model structural representation.
Fig. 3 is another embodiment's of the utility model structural representation.
Embodiment
The embodiment who provides below in conjunction with accompanying drawing is further described the utility model.
Embodiment 1: as shown in Figure 1, the present embodiment self-locking quick connection device comprises and connect outer tooth 1 and Self-locking joint 2, connects outer tooth 1 and Self-locking joint 2 be all designed to the to have air cavity sleeve structure of (cavity of ventilating).On one end outer wall of Self-locking joint 2, be set with attaching nut 3, fixing by locking jump ring 4 between the two.Interior one end of air cavity 21 of Self-locking joint 2 is provided with ventilation spool 5 and self-locking spring 6, and the removable setting of ventilation spool 5 is provided with sealed cover slip 7 between the air cavity wall of itself and Self-locking joint 2.The inner of ventilation spool 5 is supported mutually with one end of self-locking spring 6, and in the air cavity of the other end of self-locking spring 6 and Self-locking joint 2, step surface is supported.Connecting outer tooth 1 one end is bolted in attaching nut 3, and support and coordinate with the outer end of ventilation spool 5, the outer end of ventilation spool 5 is also connected with the air cavity 11 that is connected outer tooth 1, and the other end that connects outer tooth 1 is connected (can be integral production, can be also that split connects) with use instrument.
Sealed cover slip 7 is bolted on the air cavity wall of Self-locking joint 2.Ventilation spool 5 is provided with the first seal ring 8 being sealed and matched with sealed cover slip 7, sealed cover slip 7 is provided with the second seal ring 9 that the air cavity wall with Self-locking joint 2 is sealed and matched, and is also provided with the 3rd seal ring 10 being sealed and matched with the air cavity wall that is connected outer tooth 1 on sealed cover slip 7.
Air cavity 11 one end that connect outer tooth 1 are provided with interior narrow outer wide horn-like suction port 111, and sealed cover slip 7 outer ends are provided with inclined-plane 71, the three seal rings 10 that coordinate with the inwall of this horn-like suction port 111 and are placed between this inclined-plane 71 and the inwall of horn-like suction port 111.
During installation, the attaching nut 3 of Self-locking joint 2 be connected outer tooth 1 and connect, by hand twist threaded function power make to connect outer tooth 1 back down ventilation spool 5, form ventilation environment, be arranged on the 3rd seal ring 10 on sealed cover slip 7 and in threaded function, defeat and compel the lower sealed environment that forms with being connected between the air cavity wall of outer tooth 1, make it safe ventilation.
The other end of Self-locking joint 2 is provided with internal thread expander formula linkage structure 30, in order to be connected with air supply pipe (sebific duct).Internal thread expander formula linkage structure 30 specifically comprises screw thread expander 301, is coated at the cutting ferrule 302 of screw thread expander 301, is located at the seal ring 304 between screw thread expander 301 and cutting ferrule 302, on cutting ferrule 302 inwalls, be provided with several profile of tooth draw-in grooves 303, during installation, described screw thread expander 301 stretches in air supply pipe, and together with being fastened in cutting ferrule 302 after air supply pipe being extended out under the active force of the stubborn screw thread of hand.
Embodiment 2: as shown in Figure 2, the present embodiment and embodiment's 1 difference are that the other end of Self-locking joint 2 is provided with expander external-compression type linkage structure 40, in order to be connected with air supply pipe (sebific duct).Expander external-compression type linkage structure 40 specifically comprises taper expander fuse 401 and by screw thread 403, is coated at the overcoat pressure pipe 402 of taper expander fuse 401, the front end of overcoat pressure pipe 402 is provided with outer little interior large horn mouth 404, during installation, after stretching into and in air supply pipe, air supply pipe is extended out, taper expander fuse 401 compressed by overcoat pressure pipe 402.
Embodiment 3: as shown in Figure 3, the present embodiment and embodiment's 1 difference are that the other end of Self-locking joint 2 is provided with core-inset type linkage structure 20, in order to be connected with air supply pipe (sebific duct).Core-inset type linkage structure 20 specifically comprises lock pin 201 and is arranged on the reverse buckling type screens 202 of the several continuous distributed vertically on lock pin 201 outer walls, during installation, described lock pin 201 inserts air supply pipe, and together with fitting over the inwall card of air supply pipe by reverse buckling type screens 202 on it.
As described above, it is only this novel preferred embodiment, when not limiting with this scope of this novel enforcement, the simple equivalence of in every case doing according to this novel claim and novel description changes and modifies, and all still belongs in the scope that this new patent contains.
Claims (8)
1. a self-locking quick connection device, comprise and connect outer tooth and Self-locking joint, it is characterized in that: on one end outer wall of described Self-locking joint, be set with attaching nut, in the air cavity of described Self-locking joint, one end is provided with ventilation spool and self-locking spring, the removable setting of described ventilation spool, between the air cavity wall of itself and Self-locking joint, be provided with sealed cover slip, the inner of described ventilation spool is supported mutually with self-locking spring, the outer tooth of described connection one end is bolted in attaching nut, and support and coordinate with the outer end of ventilation spool, the outer end of described ventilation spool is also connected with the air cavity that is connected outer tooth.
2. a kind of self-locking quick connection device according to claim 1, it is characterized in that: described ventilation spool is provided with the first seal ring being sealed and matched with sealed cover slip, described sealed cover slip is provided with the second seal ring that the air cavity wall with Self-locking joint is sealed and matched, and is also provided with the 3rd seal ring being sealed and matched with the air cavity wall that is connected outer tooth on described sealed cover slip.
3. a kind of self-locking quick connection device according to claim 2, is characterized in that: described sealed cover slip is bolted on the air cavity wall of Self-locking joint.
4. according to a kind of self-locking quick connection device described in claim 2 or 3, it is characterized in that: air cavity one end of the outer tooth of described connection is provided with interior narrow outer wide horn-like suction port, described sealed cover slip outer end is provided with the inclined-plane coordinating with the inwall of this horn-like suction port, and described the 3rd seal ring is placed between this inclined-plane and the inwall of horn-like suction port.
5. a kind of self-locking quick connection device according to claim 1, is characterized in that: described attaching nut is fastened on one end outer wall of Self-locking joint by a locking jump ring.
6. a kind of self-locking quick connection device according to claim 1, it is characterized in that: the other end of described Self-locking joint is provided with internal thread expander formula linkage structure, this structure comprises screw thread expander, is coated at the cutting ferrule of screw thread expander, is located at the seal ring between cutting ferrule and screw thread expander, is provided with several profile of tooth draw-in grooves on described cutting ferrule inwall.
7. a kind of self-locking quick connection device according to claim 1, it is characterized in that: the other end of described Self-locking joint is provided with expander external-compression type linkage structure, this structure comprises that taper expander fuse and thread jacket are in the overcoat pressure pipe of taper expander fuse, and the front end of described overcoat pressure pipe is provided with outer little interior large horn mouth.
8. a kind of self-locking quick connection device according to claim 1, it is characterized in that: the other end of described Self-locking joint is provided with core-inset type linkage structure, this structure comprises lock pin and is arranged on the reverse buckling type screens of the several continuous distributed vertically on lock pin outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234577.4U CN203836449U (en) | 2014-05-08 | 2014-05-08 | Self-locking type quick connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420234577.4U CN203836449U (en) | 2014-05-08 | 2014-05-08 | Self-locking type quick connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836449U true CN203836449U (en) | 2014-09-17 |
Family
ID=51514290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420234577.4U Expired - Lifetime CN203836449U (en) | 2014-05-08 | 2014-05-08 | Self-locking type quick connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057860A (en) * | 2015-08-17 | 2015-11-18 | 中国能源建设集团山西电力建设有限公司 | Welding groove argon filling device |
-
2014
- 2014-05-08 CN CN201420234577.4U patent/CN203836449U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057860A (en) * | 2015-08-17 | 2015-11-18 | 中国能源建设集团山西电力建设有限公司 | Welding groove argon filling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201223 Address after: 511400 No.106 Fengze East Road, Nansha District, Guangzhou City, Guangdong Province (self compiled Building 1) x1301-f5380 (cluster registration) (JM) Patentee after: Weixin (Guangzhou) Industrial Technology Co.,Ltd. Address before: 510000 Room 203, No.1, huakengqian street, Shuangsha community, Huangpu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU RUIHONG MACHINERY EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |