CN202791072U - Pin-type self-locking dual-seal quick connector - Google Patents

Pin-type self-locking dual-seal quick connector Download PDF

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Publication number
CN202791072U
CN202791072U CN 201220359157 CN201220359157U CN202791072U CN 202791072 U CN202791072 U CN 202791072U CN 201220359157 CN201220359157 CN 201220359157 CN 201220359157 U CN201220359157 U CN 201220359157U CN 202791072 U CN202791072 U CN 202791072U
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CN
China
Prior art keywords
steel
main steel
type self
pin
bolt
Prior art date
Application number
CN 201220359157
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Chinese (zh)
Inventor
周述明
Original Assignee
周述明
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Application filed by 周述明 filed Critical 周述明
Priority to CN 201220359157 priority Critical patent/CN202791072U/en
Application granted granted Critical
Publication of CN202791072U publication Critical patent/CN202791072U/en

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Abstract

The utility model provides a pin-type self-locking dual-seal quick connector which comprises a steel body, a ferrule movably sleeved to the front end of the steel body, a valve core movably nested in the steel body, and a tail gas pipe connection arranged at the rear end of the steel body. The front end of the steel body is provided with a plurality of grooves, a cylindrical steel pin is contained in each groove, and part of each cylindrical steel pin protrudes into the steel body, so that insert rods are connected to the steel body in a locked manner. Compared with existing balls, the cylindrical steel pins can be used to better lock the insert rods to prevent loosening of the insert rods. The ferrule fully covers the cylindrical steel pins, so that the pin-type self-locking dual-seal quick connector is well dustproof and long in service life. The valve core simple in structure decreases flow resistance, so that flow is increased. The pin-type self-locking dual-seal quick connector with dual seals is fine in sealing performance.

Description

Bolt-type self-locking double-sealed rapid joint

Technical field

The utility model relates to the connection set field, relates in particular to a kind of bolt-type self-locking double-sealed rapid joint.

Background technique

Rapid pipe joint is used frequently element as a kind of industrial aspect, and it is undertaken in the delivery pipe of compressor and in conjunction with pneumatic tool, effectively powerful pressurized gas is reached application target by instrument output.Yet there is following shortcoming in the inner single piston structure that adopts of Pneumatic quick connector in the market: 1. O type or plane seal ring are adopted in the sealing of plunger end and fittings body, sealing contact surface is long-pending little, causes easily because inserted link external diameter tolerance causes pressurized air and reveals; 2. internal piston body sealing is fragile, causes pressurized air to be revealed, and reduces product working life.Pressurized air is the highest a kind of of energy consumption in three kinds of industrial basic motive sources (water, electricity, gas), account for the 10-20% of factory's total energy consumption, wherein 25% waste in leakage, 15% wastes in false demand, real directly related with production usually be not more than 60%, compressed-air actuated leakage can't be as water power can intuitive management, the waste that in use produces is difficult to discover, and causes waste to be left in the basket easily.Therefore, existing Pneumatic quick connector still needs at aspects such as structure and sealings further to improve, and reveals to prevent pressurized air, reduces compressed-air actuated energy consumption.

The model utility content

The purpose of this utility model is to provide a kind of bolt-type self-locking double-sealed rapid joint, and it is simple in structure, and sealing and reliability are high, effectively prevents the pressurized air leakage, and long service life.

For achieving the above object, the utility model provides a kind of bolt-type self-locking double-sealed rapid joint, comprise: main steel body, be movably set in main steel body front end cutting ferrule, be movably set in the valve inside in the main steel body and be located at the afterbody tracheae connecting body of main steel body rear end, described main steel body front end is provided with several embedded grooves, be equipped with a cylinder steel pin in each embedded groove, described cylindrical steel pin part is convexly set in the main steel body, is used for the inserted link card is established the main steel body of connection.

One baffle ring is sheathed on the main steel body, and is arranged on the described cylinder steel pin, and then a Returnning spring is arranged between baffle ring and the main steel body.

Described main steel body is provided with an annular groove in cylinder steel pin front end, and a snap ring is fixed in this annular groove and supports and end cutting ferrule, and then so that embedded groove, cylinder steel pin, baffle ring and Returnning spring cover in the cutting ferrule fully.

The inwall of described main steel body is provided with a seal groove, and a self-lubricating oil seal is placed in the sealing groove, is used for the external diameter of sealing inserted link.

Be provided with a step-like planar seal ring between described valve inside and the main steel body, be provided with a volute spring between described valve inside and the afterbody tracheae connecting body, this volute spring one end is resisted against on the described afterbody tracheae connecting body, the other end is fixed on the valve inside, and then valve inside closely is resisted against on this planar seal ring.

Described valve inside comprises circular body and is convexly set in respectively first and second protuberance at these circular body two ends, the diameter of described the second protuberance is greater than the diameter of the first protuberance, described circular body is resisted against on the planar seal ring, described volute spring is fixed on the second protuberance, and described the first protuberance extends setting towards main steel body front end.

Screw thread all is located at the two ends of described afterbody tracheae connecting body, and it is threaded connection mode and is connected on the main steel body.

The beneficial effects of the utility model: the utility model bolt-type self-locking double-sealed rapid joint, the more existing circular steel ball of cylinder steel pin can better pin inserted link, prevents that inserted link from getting loose; And cover the cylinder steel pin fully by cutting ferrule, and well dustproof, long service life; Valve inside simple in structure can reduce flow resistance, and then augmented flow, and the double-sealing setting, good airproof performance.

In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, the utility model is limited.

Description of drawings

Below in conjunction with accompanying drawing, by embodiment of the present utility model is described in detail, will make the technical solution of the utility model and other beneficial effect apparent.

In the accompanying drawing,

Fig. 1 is the generalized section of the utility model bolt-type self-locking double-sealed rapid joint.

Embodiment

Technological means and the effect thereof taked for further setting forth the utility model are described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.

See also Fig. 1, the utility model provides a kind of bolt-type self-locking double-sealed rapid joint, comprising: main steel body 2, be movably set in main steel body 2 front ends cutting ferrule 4, be movably set in the valve inside 6 in the main steel body 2 and be located at the afterbody tracheae connecting body 8 of main steel body 2 rear ends.

Described main steel body 2 front ends are provided with several embedded grooves 22, are equipped with a cylinder steel pin 24 in each embedded groove 22, and described cylinder steel pin 24 parts are convexly set in the main steel body 2, are used for inserted link (not shown) card is established the main steel body 2 of connection.

One baffle ring 26 is sheathed on the main steel body 2, and is arranged on the described cylinder steel pin 24, and then a Returnning spring 28 is arranged between baffle ring 26 and the main steel body 2.

Described main steel body 2 is provided with an annular groove 23 in cylinder steel pin 24 front ends, one snap ring 25 is fixed in this annular groove 23 and supports and end cutting ferrule 4, and then so that embedded groove 22, cylinder steel pin 24, baffle ring 26 and Returnning spring 28 cover at fully in the cutting ferrule 4, and then avoid dust to fall into, prolong the working life of the utility model bolt-type self-locking double-sealed rapid joint.

The inwall of described main steel body 2 is provided with a seal groove 27, one self-lubricating oil seals 29 and is placed in the sealing groove 27, is used for the external diameter of sealing inserted link.Simultaneously, be provided with a step-like planar seal ring 30 between described valve inside 6 and the main steel body 2, be used for the end face of sealing sealing inserted link, and then realize the double-sealing of inserted link, guaranteed that further sealing gas can not reveal.

Be provided with a volute spring 32 between described valve inside 6 and the afterbody tracheae connecting body 8, these volute spring 32 1 ends are resisted against on the described afterbody tracheae connecting body 8, and the other end is fixed on the valve inside 6, and then valve inside 6 closely is resisted against on this planar seal ring 30.

In the present embodiment, described valve inside 6 comprises circular body 62 and is convexly set in respectively first and second protuberance 64 at these circular body 62 two ends, 66, the diameter of described the second protuberance 66 is greater than the diameter of the first protuberance 66, described circular body 62 is resisted against on the planar seal ring 30, described volute spring 32 is fixed on the second protuberance 66, described the first protuberance 64 extends setting towards main steel body 2 front ends, the valve inside 6 of this kind structure can effectively reduce the resistance of flow, and then augmented flow, after tested, be 1.5 times of existing rapid pipe joint flow with the flow of the rapid pipe joint of the valve inside 6 of this structure.

Screw thread all is located at the two ends of described afterbody tracheae connecting body 8, and it is threaded connection mode and is connected on the main steel body 2.

The utility model operating principle is as follows: during assembling, when inserted link inserts main steel body 2, inserted link extruding cylinder steel pin 24, Returnning spring 28 is compressed, self-lubricating oil seal 29 sealing inserted link external diameters, inserted link continues to insert, promote the first protuberance 64 of valve inside 6, volute spring 32 stressed contractions, the circular body 62 of valve inside 6 is separated with planar seal ring 30, and then realizes the air-flow conducting, inserted link continues to be inserted into and is resisted against planar seal ring 30, at this moment Returnning spring 28 resets, and cylinder steel pin 24 is arranged in inserted link, and the realization inserted link is connected with the utility model bolt-type self-locking double-sealed rapid joint.During separation, promote cutting ferrule 4 and slides to main steel body 2 tail ends, these cutting ferrule 4 promotion baffle rings 26 compression reseting springs 28, at this moment, cylinder steel pin 24 is non-locking condition, inserted link is pulled out can realize separating of inserted link and bolt-type self-locking double-sealed rapid joint.

In sum, the utility model bolt-type self-locking double-sealed rapid joint, the more existing circular steel ball of cylinder steel pin can better pin inserted link, prevents that inserted link from getting loose; And cover the cylinder steel pin fully by cutting ferrule, and well dustproof, long service life; Valve inside simple in structure can reduce flow resistance, and then augmented flow, and the double-sealing setting, good airproof performance.

The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection domain of the utility model claim.

Claims (7)

1. bolt-type self-locking double-sealed rapid joint, it is characterized in that, comprise: main steel body, be movably set in main steel body front end cutting ferrule, be movably set in the valve inside in the main steel body and be located at the afterbody tracheae connecting body of main steel body rear end, described main steel body front end is provided with several embedded grooves, be equipped with a cylinder steel pin in each embedded groove, described cylindrical steel pin part is convexly set in the main steel body, is used for the inserted link card is established the main steel body of connection.
2. bolt-type self-locking double-sealed rapid joint as claimed in claim 1 is characterized in that, a baffle ring is sheathed on the main steel body, and is arranged on the described cylinder steel pin, and then a Returnning spring is arranged between baffle ring and the main steel body.
3. bolt-type self-locking double-sealed rapid joint as claimed in claim 2, it is characterized in that, described main steel body is provided with an annular groove in cylinder steel pin front end, and a snap ring is fixed in this annular groove and supports and end cutting ferrule, and then so that embedded groove, cylinder steel pin, baffle ring and Returnning spring cover in the cutting ferrule fully.
4. bolt-type self-locking double-sealed rapid joint as claimed in claim 1 is characterized in that the inwall of described main steel body is provided with a seal groove, and a self-lubricating oil seal is placed in the sealing groove, is used for the external diameter of sealing inserted link.
5. bolt-type self-locking double-sealed rapid joint as claimed in claim 1, it is characterized in that, be provided with a step-like planar seal ring between described valve inside and the main steel body, be provided with a volute spring between described valve inside and the afterbody tracheae connecting body, this volute spring one end is resisted against on the described afterbody tracheae connecting body, the other end is fixed on the valve inside, and then valve inside closely is resisted against on this planar seal ring.
6. bolt-type self-locking double-sealed rapid joint as claimed in claim 5, it is characterized in that, described valve inside comprises circular body and is convexly set in respectively first and second protuberance at these circular body two ends, the diameter of described the second protuberance is greater than the diameter of the first protuberance, described circular body is resisted against on the planar seal ring, described volute spring is fixed on the second protuberance, and described the first protuberance extends setting towards main steel body front end.
7. bolt-type self-locking double-sealed rapid joint as claimed in claim 1 is characterized in that, screw thread all is located at the two ends of described afterbody tracheae connecting body, and it is threaded connection mode and is connected on the main steel body.
CN 201220359157 2012-07-24 2012-07-24 Pin-type self-locking dual-seal quick connector CN202791072U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220359157 CN202791072U (en) 2012-07-24 2012-07-24 Pin-type self-locking dual-seal quick connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220359157 CN202791072U (en) 2012-07-24 2012-07-24 Pin-type self-locking dual-seal quick connector

Publications (1)

Publication Number Publication Date
CN202791072U true CN202791072U (en) 2013-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220359157 CN202791072U (en) 2012-07-24 2012-07-24 Pin-type self-locking dual-seal quick connector

Country Status (1)

Country Link
CN (1) CN202791072U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410963A (en) * 2013-07-23 2013-11-27 中国核动力研究设计院 Ball cone irradiation sample stopple with self-locking pressurized water reactor
CN104882802A (en) * 2015-06-29 2015-09-02 吴扬华 Solar-energy-powered power distribution cabinet
CN104901180A (en) * 2015-06-29 2015-09-09 吴扬华 Power distribution cabinet with positioning protrusion and spacing sensor
CN104993400A (en) * 2015-06-29 2015-10-21 温岭市海玛进出口有限公司 Heat-radiation type power distribution cabinet

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103410963A (en) * 2013-07-23 2013-11-27 中国核动力研究设计院 Ball cone irradiation sample stopple with self-locking pressurized water reactor
CN103410963B (en) * 2013-07-23 2016-05-18 中国核动力研究设计院 Presurized water reactor has the ball conical surface irradiation sample stopple of auto-lock function
CN104882802A (en) * 2015-06-29 2015-09-02 吴扬华 Solar-energy-powered power distribution cabinet
CN104901180A (en) * 2015-06-29 2015-09-09 吴扬华 Power distribution cabinet with positioning protrusion and spacing sensor
CN104993400A (en) * 2015-06-29 2015-10-21 温岭市海玛进出口有限公司 Heat-radiation type power distribution cabinet

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