CN200993282Y - Dropping-proof self-locking device for fast-change joint - Google Patents

Dropping-proof self-locking device for fast-change joint Download PDF

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Publication number
CN200993282Y
CN200993282Y CN 200620165814 CN200620165814U CN200993282Y CN 200993282 Y CN200993282 Y CN 200993282Y CN 200620165814 CN200620165814 CN 200620165814 CN 200620165814 U CN200620165814 U CN 200620165814U CN 200993282 Y CN200993282 Y CN 200993282Y
Authority
CN
China
Prior art keywords
sliding sleeve
fittings body
steel ball
collar
groove
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
Application number
CN 200620165814
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Chinese (zh)
Inventor
邱明辉
匡正兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chinese People's Liberation Army No.63976
State-owned No.394 Factory
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State-Owned No394 Factory
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State-Owned No394 Factory filed Critical State-Owned No394 Factory
Priority to CN 200620165814 priority Critical patent/CN200993282Y/en
Application granted granted Critical
Publication of CN200993282Y publication Critical patent/CN200993282Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model pertains to the technology for pipe connection and relates to the improvement in a quick-removable joint of a pipeline, which comprises a joint body 1, a spring 3, a steel ball 4, a slip cover 5 and a rand 6. The utility model is characterized in that in the inner wall at the left end of the slip cover 5, a step cavity 10 developing outward is provided; on an outer circumferential surface of the step cavity 10 corresponding to the joint body 1, a protruded guide block 2 is provided; in the inner wall at left end of the slip cover 5, an axial guide slot 11 is provided. The utility model can prevent disengagement and can self lock, and guarantees the reliability in connection of the quick-removable joint.

Description

The anticreep self-locking device of quick release coupling
Technical field
The utility model belongs to the pipeline interconnection technique, relates to the improvement to the pipeline quick release coupling.
Background technique
At present, use extensively at pneumatic, hydraulic product field quick release coupling, wherein a kind of structure of quick release coupling is referring to Fig. 1, and it is made up of fittings body 1, spring 3, steel ball 4, sliding sleeve 5 and collar 6.Fittings body 1 is a cylinder that has the center through hole, and its stage casing has outer six sides, and its left end has outside thread or internal thread, and its right-hand member has the step axle 7 of one section reduced, and spring 3 is enclosed within on this step axle 7.In the port of step axle 7 a collar groove is arranged, 3~8 taper holes 8 that be uniformly distributed along the circumference, radially that connect, interior receipts are arranged in the left side of collar groove, steel ball 4 is positioned at taper hole 8.Sliding sleeve 5 is cylinders, its diameter of bore matches with the external diameter of spring 3, the right-hand member of sliding sleeve 5 has the flange of receiving in the circle 9, the diameter of bore of this flange 9 matches with the external diameter of step axle 7, the right output port of sliding sleeve 5 upper flanges 9 has the inner conical surface that holds steel ball 4, sliding sleeve 5 is enclosed within the right-hand member of fittings body 1, by the collar 6 that is positioned at the collar groove sliding sleeve 5 is located.Its working principle is: under coupled condition, the bottom of steel ball 4 is stuck in the groove that is connected joint, and the top of steel ball 4 is pushed down by sliding sleeve 5.When removing connection, sliding sleeve 5 is pushed away left, steel ball 4 is deviate from the groove that is connected joint, can pull out and be connected joint.Its shortcoming is: because sliding sleeve 5 is moved to the left the shortage position-limit mechanism, may cause accident to take place easily because misoperation causes connecting disconnection.
Summary of the invention
The purpose of this utility model is: propose a kind of quick release coupling with anticreep self-locking device, thereby guarantee the reliability that quick release coupling connects.
The technical solution of the utility model is: the anticreep self-locking device of quick release coupling, by fittings body 1, spring 3, steel ball 4, sliding sleeve 5 and collar 6 are formed, fittings body 1 is a cylinder that has the center through hole, its stage casing has outer six sides, its left end has outside thread or internal thread, its right-hand member has the step axle 7 of one section reduced, spring 3 is enclosed within on this step axle 7, a collar groove is arranged in the port of step axle 7, have in the left side of collar groove and to be uniformly distributed along the circumference, radially connect, interior 3~8 taper holes 8 receiving, steel ball 4 is positioned at taper hole 8, sliding sleeve 5 is cylinders, its diameter of bore matches with the external diameter of spring 3, the right-hand member of sliding sleeve 5 has the flange of receiving in the circle 9, the diameter of bore of this flange 9 matches with the external diameter of step axle 7, the right output port of sliding sleeve 5 upper flanges 9 has the inner conical surface that holds steel ball 4, sliding sleeve 5 is enclosed within the right-hand member of fittings body 1, by the collar 6 that is positioned at the collar groove sliding sleeve 5 is located, it is characterized in that, the step inner chamber 10 that one circle abduction is arranged on the inwall of sliding sleeve 5 left port, the guide pad 2 of a projection is arranged on the corresponding outer peripheral surface of fittings body 1 and this step inner chamber 10, and it is one of following structure: (1) is made of the straight pin that is arranged in the cylinder pin hole on the fittings body 1 and is fixed on this cylinder pin hole; (2) constitute with the key that is fixed on this keyway by the keyway that is arranged on the fittings body 1; (3) constitute by key with fittings body 1 one machine shaping; A guiding groove 11 is vertically arranged on the inwall of sliding sleeve 5 left port, keep glade plane space between the cross section of the cross section of guiding groove 11 and guide pad 2, the axial length of guiding groove 11 should satisfy the stroke of the bottom of steel ball 4 from the needed sliding sleeve 5 of taper hole 8 disengagings.
The utility model has the advantages that: have the anticreep auto-lock function, guaranteed the reliability that quick release coupling connects.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below the utility model is described in further details.Referring to Fig. 1, anticreep self-locking device of the present utility model is made up of fittings body 1, spring 3, steel ball 4, sliding sleeve 5 and collar 6.Fittings body 1 is a cylinder that has the center through hole, and its stage casing has outer six sides, and its left end has outside thread or internal thread, and its right-hand member has the step axle 7 of one section reduced, and spring 3 is enclosed within on this step axle 7.In the port of step axle 7 a collar groove is arranged, 3~8 taper holes 8 that be uniformly distributed along the circumference, radially that connect, interior receipts are arranged in the left side of collar groove, steel ball 4 is positioned at taper hole 8.
Sliding sleeve 5 is cylinders, its diameter of bore matches with the external diameter of spring 3, the right-hand member of sliding sleeve 5 has the flange of receiving in the circle 9, the diameter of bore of this flange 9 matches with the external diameter of step axle 7, the right output port of sliding sleeve 5 upper flanges 9 has the inner conical surface that holds steel ball 4, sliding sleeve 5 is enclosed within the right-hand member of fittings body 1, by the collar 6 that is positioned at the collar groove sliding sleeve 5 is located.
It is characterized in that the step inner chamber 10 of a circle abduction is arranged on the inwall of sliding sleeve 5 left port, the guide pad 2 of a projection is arranged on the corresponding outer peripheral surface of fittings body 1 and this step inner chamber 10, it is one of following structure:
(1) constitutes with the straight pin that is fixed on this cylinder pin hole by the cylinder pin hole that is arranged on the fittings body 1;
(2) constitute with the key that is fixed on this keyway by the keyway that is arranged on the fittings body 1;
(3) constitute by key with fittings body 1 one machine shaping.
A guiding groove 11 is vertically arranged on the inwall of sliding sleeve 5 left port, keep glade plane space between the cross section of the cross section of guiding groove 11 and guide pad 2, the axial length of guiding groove 11 should satisfy the stroke of the bottom of steel ball 4 from the needed sliding sleeve 5 of taper hole 8 disengagings.
Working principle of the present utility model is: when connecting, with the 11 alignment guide pieces 2 of the guiding groove on the sliding sleeve 5, sliding cover 5 and insertion are connected joint backward then, the bottom of steel ball 4 is stuck in the groove that is connected joint, the top of steel ball 4 is pushed down by sliding sleeve 5, and then with sliding sleeve 5 Rotate 180s °, the spring force that this moment, spring 3 compressions produced is as impacting force, sliding sleeve 5 is close on the guide pad 2, thereby realizes axial limiting and self-locking.
When removing connection, with the 11 alignment guide pieces 2 of the guiding groove on the sliding sleeve 5, again sliding sleeve 5 is pushed away left, steel ball 4 is deviate from the groove that is connected joint, can pull out and be connected joint.

Claims (1)

1, the anticreep self-locking device of quick release coupling, by fittings body [1], spring [3], steel ball [4], sliding sleeve [5] and collar [6] are formed, fittings body [1] is a cylinder that has the center through hole, its stage casing has outer six sides, its left end has outside thread or internal thread, its right-hand member has the step axle [7] of one section reduced, spring [3] is enclosed within on this step axle [7], in the port of step axle [7] a collar groove is arranged, have in the left side of collar groove and to be uniformly distributed along the circumference, radially connect, interior 3~8 taper holes [8] of receiving, steel ball [4] is positioned at taper hole [8], sliding sleeve [5] is a cylinder, its diameter of bore matches with the external diameter of spring [3], the right-hand member of sliding sleeve [5] has the flange of receiving in the circle [9], the diameter of bore of this flange [9] matches with the external diameter of step axle [7], the right output port of sliding sleeve [5] upper flange [9] has the inner conical surface that holds steel ball [4], sliding sleeve [5] is enclosed within the right-hand member of fittings body [1], by the collar [6] that is positioned at the collar groove sliding sleeve [5] is located, it is characterized in that, the step inner chamber [10] that one circle abduction is arranged on the inwall of sliding sleeve [5] left port, the guide pad [2] that a projection is arranged on fittings body [1] outer peripheral surface corresponding with this step inner chamber [10], it is one of following structure: (1) is made of with the straight pin that is fixed on this cylinder pin hole the cylinder pin hole that is arranged on the fittings body [1]; (2) constitute with the key that is fixed on this keyway by the keyway that is arranged on the fittings body [1]; (3) constitute by key with fittings body [1] one machine shaping; A guiding groove [11] is vertically arranged on the inwall of sliding sleeve [5] left port, keep glade plane space between the cross section of the cross section of guiding groove [11] and guide pad [2], the axial length of guiding groove [11] should satisfy the stroke that the bottom of steel ball [4] breaks away from needed sliding sleeve [5] from taper hole [8].
CN 200620165814 2006-12-14 2006-12-14 Dropping-proof self-locking device for fast-change joint Expired - Lifetime CN200993282Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620165814 CN200993282Y (en) 2006-12-14 2006-12-14 Dropping-proof self-locking device for fast-change joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620165814 CN200993282Y (en) 2006-12-14 2006-12-14 Dropping-proof self-locking device for fast-change joint

Publications (1)

Publication Number Publication Date
CN200993282Y true CN200993282Y (en) 2007-12-19

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ID=38946356

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620165814 Expired - Lifetime CN200993282Y (en) 2006-12-14 2006-12-14 Dropping-proof self-locking device for fast-change joint

Country Status (1)

Country Link
CN (1) CN200993282Y (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102389928A (en) * 2011-07-08 2012-03-28 北京天海工业有限公司 Tapered connecting structure for rotary pressing wheel and shaft of seamless gas bottle necking-in machine
CN103046877A (en) * 2011-10-15 2013-04-17 王晓强 Anti-dropping mechanism of quick joint
CN103867831A (en) * 2012-12-18 2014-06-18 上海鸿辉光通科技股份有限公司 Quick connector for inductively-coupled plasma etcher
CN105397835A (en) * 2015-12-14 2016-03-16 珠海格力电器股份有限公司 Clamp connector structure and robot clamp with same
CN105972799A (en) * 2016-06-21 2016-09-28 珠海格力电器股份有限公司 Water pipe nozzle and water leading-out device of air conditioner indoor unit as well as assembly method of water leading-out device
CN106015791A (en) * 2016-06-21 2016-10-12 珠海格力电器股份有限公司 Pipeline joint and connection pipeline
CN106015793A (en) * 2015-03-26 2016-10-12 希恩公司 Joint
CN106194050A (en) * 2016-08-31 2016-12-07 天津立林石油机械有限公司 The anti-lost joint of fast self-locking
CN109211577A (en) * 2017-07-12 2019-01-15 襄阳达安汽车检测中心 A kind of roller tripping mechanism
CN109687351A (en) * 2019-01-16 2019-04-26 四川同风源建设工程有限公司 Electricity consumption return wire lays frame
CN110260544A (en) * 2019-06-11 2019-09-20 湖南达道新能源开发有限公司 A kind of underground water residual temperature extract equipment
CN110307426A (en) * 2019-07-05 2019-10-08 中铁电气化局集团有限公司 A kind of railway hydraulic is quickly converted special joint

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102389928B (en) * 2011-07-08 2013-10-02 北京天海工业有限公司 Tapered connecting structure for rotary pressing wheel and shaft of seamless gas bottle necking-in machine
CN102389928A (en) * 2011-07-08 2012-03-28 北京天海工业有限公司 Tapered connecting structure for rotary pressing wheel and shaft of seamless gas bottle necking-in machine
CN103046877A (en) * 2011-10-15 2013-04-17 王晓强 Anti-dropping mechanism of quick joint
CN103867831A (en) * 2012-12-18 2014-06-18 上海鸿辉光通科技股份有限公司 Quick connector for inductively-coupled plasma etcher
CN106015793B (en) * 2015-03-26 2018-09-18 希恩公司 Connector
CN106015793A (en) * 2015-03-26 2016-10-12 希恩公司 Joint
CN105397835A (en) * 2015-12-14 2016-03-16 珠海格力电器股份有限公司 Clamp connector structure and robot clamp with same
CN105972799A (en) * 2016-06-21 2016-09-28 珠海格力电器股份有限公司 Water pipe nozzle and water leading-out device of air conditioner indoor unit as well as assembly method of water leading-out device
CN106015791A (en) * 2016-06-21 2016-10-12 珠海格力电器股份有限公司 Pipeline joint and connection pipeline
CN106194050A (en) * 2016-08-31 2016-12-07 天津立林石油机械有限公司 The anti-lost joint of fast self-locking
CN109211577A (en) * 2017-07-12 2019-01-15 襄阳达安汽车检测中心 A kind of roller tripping mechanism
CN109687351A (en) * 2019-01-16 2019-04-26 四川同风源建设工程有限公司 Electricity consumption return wire lays frame
CN110260544A (en) * 2019-06-11 2019-09-20 湖南达道新能源开发有限公司 A kind of underground water residual temperature extract equipment
CN110260544B (en) * 2019-06-11 2020-11-10 湖南达道新能源开发有限公司 Underground water waste heat extraction equipment
CN110307426A (en) * 2019-07-05 2019-10-08 中铁电气化局集团有限公司 A kind of railway hydraulic is quickly converted special joint
CN110307426B (en) * 2019-07-05 2024-03-22 中铁电气化局集团有限公司 Special joint for railway hydraulic quick conversion

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Effective date: 20110830

Owner name: 63976 FORCES, PLA

C41 Transfer of patent application or patent right or utility model
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Qiu Minghui

Inventor after: Yang Bo

Inventor after: Kuang Zhengbing

Inventor after: Wu Yu

Inventor after: Cui Zhipeng

Inventor before: Qiu Minghui

Inventor before: Kuang Zhengbing

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: QIU MINGHUI KUANG ZHENGBING TO: QIU MINGHUI YANG BO KUANG ZHENGBING WU YU CUI ZHIPENG

TR01 Transfer of patent right

Effective date of registration: 20110830

Address after: 101109 Beijing city Tongzhou District town Huoxian Kuo Xing three Street No. 18

Co-patentee after: Chinese People's Liberation Army No.63976

Patentee after: State-owned No.394 Factory

Address before: 101109 Beijing city Tongzhou District town Huoxian Kuo Xing three Street No. 18

Patentee before: State-owned No.394 Factory

CX01 Expiry of patent term

Granted publication date: 20071219

EXPY Termination of patent right or utility model