CN104973464A - Self-locking type axial locking device for clamping wire coil - Google Patents

Self-locking type axial locking device for clamping wire coil Download PDF

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Publication number
CN104973464A
CN104973464A CN201510420843.1A CN201510420843A CN104973464A CN 104973464 A CN104973464 A CN 104973464A CN 201510420843 A CN201510420843 A CN 201510420843A CN 104973464 A CN104973464 A CN 104973464A
Authority
CN
China
Prior art keywords
locking
sleeve
self
conical
steel ball
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.)
Pending
Application number
CN201510420843.1A
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Chinese (zh)
Inventor
阚道松
许式方
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.)
Shanghai Ding Fan Electrical Machinery Co Ltd
Original Assignee
Shanghai Ding Fan Electrical Machinery Co Ltd
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 Shanghai Ding Fan Electrical Machinery Co Ltd filed Critical Shanghai Ding Fan Electrical Machinery Co Ltd
Priority to CN201510420843.1A priority Critical patent/CN104973464A/en
Publication of CN104973464A publication Critical patent/CN104973464A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a self-locking type axial locking device for clamping a wire coil. The device comprises an outer sleeve and an inner sleeve sleeved with the outer sleeve, and a wire coil locking shaft is inserted into the inner sleeve to be locked. The device further comprises an inner conical sleeve which is arranged between the outer sleeve and the inner sleeve in a sleeved mode and is in clearance fit with the inner sleeve. A boss abutting against the end, provided with an inner conical surface, of the inner conical sleeve is arranged on the outer side of the inner sleeve. A plurality of steel balls are evenly embedded in the inner sleeve and located on the same longitudinal surface, and the steel balls make contact with the inner conical surface of the inner conical sleeve. Compared with the prior art, the device has the advantages of being convenient to use, reliable, suitable for being dismantled frequently or adjusted in the axial direction and the like.

Description

A kind of self-locking type axial locking device for drum clamping
Technical field
The present invention relates to a kind of latching device, especially relate to a kind of self-locking type axial locking device for drum clamping.
Background technology
Axial locking device is applied all widely at the production facilities of optical, electrical cable production facilities and other multiple industry.Traditional axial locking device is the most common with nut locking device, holding screw sleeve locking apparatus and guide latching device, wherein:
1, nut locking device: axle head screw thread often designs long, and pitch is smaller, easily causes mounting or dismounting efficiency low or cause the exposed long and local damage of fine thread that intensity is not high.
2, holding screw sleeve locking apparatus: in order to ensure the reliability of locking, only have increase screw screw power, like this, both added dismounting difficulty, turn increased the possibility of axial plane damage, screw and cover screw thread failure.
3, guide latching device: for entering lockhole on axle and the axial locking device of locating by elasticity locating detent in cover, feature is that reliability is high, but axially adjusts poor continuity.
In sum, traditional axial locking device is not too suitable for frequent dismounting or axially adjustment, and some reliable lock are not high, therefore need to design a kind of new axial locking device.
Summary of the invention
Object of the present invention is exactly provide a kind of convenient and reliable, self-locking type axial locking device for drum clamping of being suitable for frequent dismounting or axially adjustment to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of self-locking type axial locking device for drum clamping, comprise overcoat and be set in the inner sleeve in overcoat, the lock shaft of drum inserts interior cover locking, also comprise inner conical cover, described inner conical cover is sheathed between jacket and inner sleeve, and with inner sleeve free-running fit, described inner sleeve lateral surface is provided with the boss of the end abutment for having inner conical surface with inner conical cover, evenly be inlaid with multiple steel ball in described inner sleeve, described multiple steel ball is positioned on same vertical face, and contacts with the inner conical surface that inner conical overlaps.
The public inscribed circle diameter of described multiple steel ball is less than the diameter of lock shaft, and the public circumcircle diameter of multiple steel ball is greater than the interior diameter on the inner conical cover face of cylinder.
Described steel ball is provided with 3-4.
Described steel ball is quenching steel ball.
The Compress Spring for producing precompressed compression in using at device between steel ball and inner conical surface is also provided with between described overcoat and inner sleeve.
Described Compress Spring is cylindroid helical-coil compression spring.
Described inner sleeve end sleeve is provided with draws cap.
Described inner sleeve and drawing between cap as interference fit, pressure assemble.
Described overcoat and inner conical inner room are interference fit, pressure assembles.
Described inner conical cover inner conical surface angle of slope meets following two conditions: one, steel ball relative axle rolling self-locking; Two, steel ball relative axle slip self-locking.
Compared with prior art, the present invention has the following advantages:
(1) setting of the present invention's design of inner conical surface of being overlapped by inner conical and quenching steel ball achieves axial self-locking function, convenient and reliable, is suitable for frequent dismounting or axially adjustment.
(2) the present invention is provided with enough steel ball numbers, ensure that the validity of locking.
(3) the present invention is also provided with Compress Spring between overcoat and inner sleeve, makes effectively to contact between steel ball with inner conical surface, and produces suitable precompressed compression between, and flexible operation.Which avoid in device use, that can not lock because there is gap between steel ball and inner conical surface may; Meanwhile, when it also avoid axial force instability, steel ball and inner conical surface Intermittent Contact, thus cause steel ball progressively to retreat, make the possibility that locking was lost efficacy.And the compressibility of spring for removing self-locking portablely, simplifying the operation provides condition.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment provides a kind of self-locking type axial locking device for drum clamping, the inner sleeve 4 comprising overcoat 1 and be set in overcoat 1, the lock shaft of drum inserts inner sleeve 4 and locks, also comprise inner conical cover 2, inner conical cover 2 is sheathed between overcoat 1 and inner sleeve 4, and with inner sleeve 4 free-running fit, the end face of overcoat 1 and inner conical cover 2 is slightly more outstanding than the end face of inner sleeve 4.
Inner sleeve 4 lateral surface is provided with for overlapping with inner conical the boss that 2 have the end abutment of inner conical surface 21, is evenly inlaid with multiple steel ball 3 in inner sleeve 4, and multiple steel ball 3 is positioned on same vertical face, and contacts with the inner conical surface 21 that inner conical overlaps 2.Inner conical cover 2 is the main bearing member of this device, has higher superficial hardness.
The public inscribed circle diameter of multiple steel ball 3 is less than the diameter of lock shaft, and the public circumcircle diameter of multiple steel ball 3 is greater than the interior diameter that inner conical overlaps 2 faces of cylinder 22.Steel ball 3 is quenching steel ball.With the increase of axial force, the number of steel ball should suitably increase, for the axle that superficial hardness is relatively low, be unlikely to because load too concentrates and cause surface tear, but with regard to line cable industry dish tool is installed, axial force is less satellite force in most cases, and therefore, steel ball 3 is provided with 3-4 and is advisable.During as larger axis to being installed of power, steel ball number should suitably increase, and needs the superficial hardness suitably improving lock shaft.
Inner sleeve 4 end sleeve is provided with draws cap 6.Inner sleeve 4 and draw between cap 6, overcoat 1 overlaps with inner conical that 2 are interference fit, pressure assembles.
The principle of work of above-mentioned self-locking type axial locking device is:
Apparatus of the present invention are according to the locking phenomenon design in mechanics, and when condition of self-locking meets, external force is larger, and object keeps static ability stronger.The core component of apparatus of the present invention is inner conical covers, and its inner conical surface need design suitable angle, with the reliability of assurance device reverse self-locking.When axial force acts on the outer face of device overcoat and inner conical cover, inner conical cover makes steel ball produce the trend of rolling along axle and sliding by the normal force of inner conical surface and the effect of steel ball contact point.In order to realize the reverse self-locking of this device, inner conical cover inner conical surface angle of slope must meet following two conditions: steel ball relative axle rolling self-locking of, quenching; Two, quenching steel ball relative axle slip self-locking.
Embodiment 2
As shown in Figure 1, the self-locking type axial locking device for drum clamping that the present embodiment provides, between overcoat 1 and inner sleeve 4, be also provided with Compress Spring 5, Compress Spring 5 is cylindroid helical-coil compression spring.This Compress Spring 5 plays a part very important in a device, makes effectively to contact between steel ball 3 with inner conical surface 21, and produce suitable precompressed compression between in using at device, and flexible operation.Which avoid in device use, that can not lock because there is gap between steel ball and inner conical surface may; Meanwhile, when it also avoid axial force instability, steel ball and inner conical surface Intermittent Contact, thus cause steel ball progressively to retreat, make the possibility that locking was lost efficacy.And the compressibility of spring for removing self-locking portablely, simplifying the operation provides condition.

Claims (10)

1. the self-locking type axial locking device for drum clamping, comprise overcoat (1) and be set in the inner sleeve (4) in overcoat (1), the lock shaft of drum inserts inner sleeve (4) locking, it is characterized in that, also comprise inner conical cover (2), described inner conical cover (2) is sheathed between overcoat (1) and inner sleeve (4), and with inner sleeve (4) free-running fit, described inner sleeve (4) lateral surface is provided with the boss of the end abutment for having inner conical surface (21) with inner conical cover (2), multiple steel ball (3) is evenly inlaid with in described inner sleeve (4), described multiple steel ball (3) is positioned on same vertical face, and contact with the inner conical surface (21) of inner conical cover (2).
2. the self-locking type axial locking device for drum clamping according to claim 1, it is characterized in that, the public inscribed circle diameter of described multiple steel ball (3) is less than the diameter of lock shaft, and the public circumcircle diameter of multiple steel ball (3) is greater than the interior diameter on inner conical cover (2) face of cylinder (22).
3. the self-locking type axial locking device for drum clamping according to claim 1, it is characterized in that, described steel ball (3) is provided with 3-4.
4. the self-locking type axial locking device for drum clamping according to claim 1, is characterized in that, described steel ball (3) is quenching steel ball.
5. the self-locking type axial locking device for drum clamping according to claim 1, it is characterized in that, between described overcoat (1) and inner sleeve (4), being also provided with the Compress Spring (5) for producing precompressed compression in using at device between steel ball (3) and inner conical surface (21).
6. the self-locking type axial locking device for drum clamping according to claim 5, it is characterized in that, described Compress Spring (5) is cylindroid helical-coil compression spring.
7. the self-locking type axial locking device for drum clamping according to claim 1, it is characterized in that, described inner sleeve (4) end sleeve is provided with draws cap (6).
8. the self-locking type axial locking device for drum clamping according to claim 7, is characterized in that, described inner sleeve (4) is that interference fit, pressure assemble with drawing between cap (6).
9. the self-locking type axial locking device for drum clamping according to claim 1, is characterized in that, be interference fit between described overcoat (1) and inner conical cover (2), pressure assembles.
10. the self-locking type axial locking device for drum clamping according to claim 1, is characterized in that, described inner conical cover (2) inner conical surface angle of slope meets following two conditions: one, steel ball (3) axle rolling self-locking relatively; Two, steel ball (3) axle slip self-locking relatively.
CN201510420843.1A 2015-07-17 2015-07-17 Self-locking type axial locking device for clamping wire coil Pending CN104973464A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510420843.1A CN104973464A (en) 2015-07-17 2015-07-17 Self-locking type axial locking device for clamping wire coil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510420843.1A CN104973464A (en) 2015-07-17 2015-07-17 Self-locking type axial locking device for clamping wire coil

Publications (1)

Publication Number Publication Date
CN104973464A true CN104973464A (en) 2015-10-14

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Application Number Title Priority Date Filing Date
CN201510420843.1A Pending CN104973464A (en) 2015-07-17 2015-07-17 Self-locking type axial locking device for clamping wire coil

Country Status (1)

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CN (1) CN104973464A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107732800A (en) * 2017-11-07 2018-02-23 遂宁立讯精密工业有限公司 A kind of wire ends peeling machine

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5829800A (en) * 1996-07-03 1998-11-03 Fargkamman AB Theft-deterrent device with gasflow lock release
CN203390616U (en) * 2013-07-26 2014-01-15 瑞立集团瑞安汽车零部件有限公司 Axially locking device
CN203490395U (en) * 2013-08-14 2014-03-19 天津长飞鑫茂光缆有限公司 Axial fast locking device
CN204038848U (en) * 2014-05-13 2014-12-24 河北省海洋与水产科学研究院 A kind ofly unload buckle assembly for the two ship large jellyfish trawlnet in coastal waters
CN204628194U (en) * 2015-05-27 2015-09-09 董耀峰 A kind of reverse self-locking formula axial locking device
CN104966586A (en) * 2015-06-19 2015-10-07 无锡锡洲电磁线有限公司 Wire coil removing device for enamel wire
CN104960986A (en) * 2015-06-19 2015-10-07 无锡锡洲电磁线有限公司 Locking device
CN204792184U (en) * 2015-06-19 2015-11-18 无锡锡洲电磁线有限公司 Lower wall device for enameled wire
CN204778006U (en) * 2015-06-19 2015-11-18 无锡锡洲电磁线有限公司 Locking device
CN204897048U (en) * 2015-07-17 2015-12-23 上海鼎凡电工机械股份有限公司 A from locking -type axial locking device for drum presss from both sides tightly

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5829800A (en) * 1996-07-03 1998-11-03 Fargkamman AB Theft-deterrent device with gasflow lock release
CN203390616U (en) * 2013-07-26 2014-01-15 瑞立集团瑞安汽车零部件有限公司 Axially locking device
CN203490395U (en) * 2013-08-14 2014-03-19 天津长飞鑫茂光缆有限公司 Axial fast locking device
CN204038848U (en) * 2014-05-13 2014-12-24 河北省海洋与水产科学研究院 A kind ofly unload buckle assembly for the two ship large jellyfish trawlnet in coastal waters
CN204628194U (en) * 2015-05-27 2015-09-09 董耀峰 A kind of reverse self-locking formula axial locking device
CN104966586A (en) * 2015-06-19 2015-10-07 无锡锡洲电磁线有限公司 Wire coil removing device for enamel wire
CN104960986A (en) * 2015-06-19 2015-10-07 无锡锡洲电磁线有限公司 Locking device
CN204792184U (en) * 2015-06-19 2015-11-18 无锡锡洲电磁线有限公司 Lower wall device for enameled wire
CN204778006U (en) * 2015-06-19 2015-11-18 无锡锡洲电磁线有限公司 Locking device
CN204897048U (en) * 2015-07-17 2015-12-23 上海鼎凡电工机械股份有限公司 A from locking -type axial locking device for drum presss from both sides tightly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107732800A (en) * 2017-11-07 2018-02-23 遂宁立讯精密工业有限公司 A kind of wire ends peeling machine

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Application publication date: 20151014