CN102494001A - Separated-type fastening device - Google Patents
Separated-type fastening device Download PDFInfo
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- CN102494001A CN102494001A CN2011103593611A CN201110359361A CN102494001A CN 102494001 A CN102494001 A CN 102494001A CN 2011103593611 A CN2011103593611 A CN 2011103593611A CN 201110359361 A CN201110359361 A CN 201110359361A CN 102494001 A CN102494001 A CN 102494001A
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- nut
- split
- securing means
- thread
- threaded sleeve
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Abstract
This invention discloses a separated-type fastening device, comprising a separated-type thread sleeve pipe, wherein a thread sleeve pipe is an outer thread structure; the exterior of the separated-type thread sleeve pipe is sleeved with a separated-type nut; the separated-type nut is a separate-type structure so as to form a left semi-nut and a right semi-nut; a closed matching face is arranged between the left semi-nut and the right semi-nut; the matching face is provided with an axial butting and clamping structure; according to the separated-type fastening device disclosed by this invention, a traditional nut is matched with the thread sleeve pipe; the device disclosed by this invention is improved as a separated-type structure so as to form a novel separated-type fastening device capable of fastening a middle position of thin-and-long rod piece or a rod piece with a thinner middle part and two thicker heads; and the separated-type fastening device disclosed by this invention is characterized by simple structure, easy processing, convenient and reliable use.
Description
Technical field
The present invention relates to a kind of fastening component that are used for, especially a kind of split securing means of bolt assembly.
Background technique
At present, in general fastening component, screw bolt and nut is a kind of component of many uses and very practical, as not embodying its effect nowhere in each fields such as machinery, electric power, automobile, railway, aviations.Common nut is the annular structural part that the center is provided with through hole; The surface in its hole is provided with and bolted worm tooth, is inserted in bolt in use to have on the externally threaded rod member, through the cooperation of worm tooth; Play fastening effect; Prevent fastened part when sharp pounding and irregular powerful the fluctuation, appearance is become flexible and is influenced other adjacent components, causes influencing the normal operation and the use of product each side.
Real life with produce, we run into such problem through regular meeting, one very long pole or two ends thick in the middle of thin rod member; In the slender rod piece, intermediate portion need be fixed, and then need be inserted in from two ends; Troublesome poeration, efficient is low, to two pairs of thick middle thin rod members; When intermediate portion need utilize fastening another one component, have no idea to utilize convenient thread forms reliably, because plain nut can't be inserted in rod member from two ends in this case.In order to address this problem, a kind of clip nut is arranged in the market, its structure is to be cut into two-part to plain nut along center line; And then two through holes of cutting surface place processing; Utilize stove bolt to be combined into one to two-part, be used for top said form, this structure processing more complicated; Also need fastening two other stove bolt to realize two-part zoarium, troublesome poeration in use.
Through retrieval; Application number is that 200510006797.7 patent discloses a kind of clip nut, and it comprises: first with right half-nut, guiding device, elastic device with cross the linkage mechanism of centre type, is mainly used in the tensioning of hydraulic bolt assembly; The bolt of this structure costs an arm and a leg; Be applied in the high-accuracy equipment, if number of applications in traditional industries, then is difficult to realize.
Summary of the invention
The technical problem that the present invention will solve provides a kind of structural type split securing means simple, easy to use, and it is mainly used in the neutral position screw threads for fastening of slender rod piece or middle thin two pluckings rod members.
For solving the problems of the technologies described above, the technological scheme that the present invention taked is: a kind of split securing means is characterized in that comprising the split threaded sleeve; Said threaded sleeve is an external thread structure; Said split threaded sleeve is socketed with the split nut outward, and body nut was a split-type structural in said minute, forms left half-nut and right half-nut; The fitting surface that has sealing between said left half-nut and the right half-nut, said fitting surface are provided with axial butt joint chucking structure.
Preferably, said axial butt joint chucking structure comprises along the chute that the split nut moves axially, left half-nut and right half-nut stagger relatively, and the stop block that stops left half-nut and right half-nut radially to separate along minute body nut, and said chute cooperates with stop block.
Preferably, the plane of said fitting surface for forming along the cutting of " own " font broken line, said " own " font broken line is for to be symmetrical set with split nut axis.Among the present invention; " own " font broken line forms through the line cutting, forms the fitting surface of left half-nut and right half-nut, and wherein two free ends of " own " font broken line extend to the end face of branch body nut; Promptly be divided into two nut, make it become the branch body nut through " own " font broken line.
Preferably, said axial butt joint chucking structure is a sawtooth, and said sawtooth is in the intermediate section of fitting surface, and perpendicular to the axis of minute body nut.
Preferably, said split threaded sleeve cooperates the complete outside thread of formation for cutting partial thread sleeve pipes that form, two symmetries, the partial thread sleeve pipe of said two symmetries.
Preferably, the fitting surface of said left half-nut and right half-nut forms complete internal thread after cooperating.
Preferably, the minimal openings degree on the fitting surface of said left half-nut and right half-nut is more than or equal to the fastening place external diameter on the fastener.Among the present invention, cut on the fitting surface that forms, form two planes on left half-nut or the right half-nut; The beeline on these two planes is opening degree; Opening degree requires the external diameter more than or equal to fastening place on the fastener, in use, need be placed in left half-nut and right half-nut on the fastener; Cooperate then to form and divide body nut, be used for cooperating with the split threaded sleeve.
Preferably, the outer side wall of said minute body nut is provided with the fastening structure that provides the branch body nut to cooperate with the split threaded sleeve.
Preferably, said fastening structure is polygonal or fastener hole.Fastening structure cooperates external equipment, on the screw-thread fit of dividing body nut and split threaded sleeve, forms complete fastening piece, wherein fastening structure can for the nut of selling on the market, be used for various structures fastening or that dismantle.
Preferably, said internal thread and outside thread are straight thread or tapered thread.
Adopt the beneficial effect that technique scheme produced to be: the present invention cooperates conventional nut and threaded sleeve, is improved to the branch body structure, the present invention threaded sleeve along the axis separated into two parts; Form the split threaded sleeve, be divided into left half-nut and right half-nut to the cutting of plain nut line, its both fitting surfaces are provided with chute and stop block; Two-part cooperate the back to form whole screw thread, are placed on the split threaded sleeve, because the effect of stop block; Can stop two-part radially to separate, under the effect of screw thread, guarantee axially not produce skew along fastener; Make branch body nut and split threaded sleeve form a whole securing means; Be used for the fastening of slender rod piece or middle thin two pluckings rod member neutral positions, the present invention's processing simple in structure, easy, easy to use and reliable.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Structural representation when Fig. 1 uses for the present invention;
Fig. 2 be among Fig. 1 the split threaded sleeve along the sectional drawing of center line;
Fig. 3 is the plan view of Fig. 2;
Fig. 4 is for dividing the sectional drawing of body nut along center line;
Fig. 5 is the worm's eye view of Fig. 4;
Fig. 6 is the plan view of Fig. 4;
Fig. 7 is for dividing second kind of embodiment of body nut;
Fig. 8 is the sectional view of Fig. 7 along the A-A cross section;
Fig. 9 is for dividing the third embodiment of body nut;
Wherein: 1, fastener, 2, the split threaded sleeve, 3, divide body nut, 4, left half-nut, 5 right half-nuts, 6, fitting surface.
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
Can know that according to accompanying drawing 1 the present invention is specifically related to a kind of split securing means, comprises threaded sleeve; Said threaded sleeve is an external thread structure; Said threaded sleeve is socketed with split nut 3 outward, and body nut 3 was a split-type structural in said minute, forms left half-nut 4 and right half-nut 5; The fitting surface 6 that has sealing between said left half-nut 4 and the right half-nut 5, said fitting surface are provided with axial butt joint chucking structure.
Wherein, the chute that axially butt joint chucking structure comprises that body nut 3 moves axially along dividing, left half-nut 4 and right half-nut 5 stagger relatively, and stop left half-nut 4 and right half-nut 5 along the stop block that divides body nuts 3 radially to separate, said chute cooperates with stop block.The part of depression is a chute on the fitting surface 6, and the part of protrusion is a stop block.
Drawings attached 2 can find out that with accompanying drawing 3 threaded sleeve is a split threaded sleeve 2, and it cuts along axial direction for ordinary casing, forms the partial thread sleeve pipe of two symmetries, and the partial thread sleeve pipe of two symmetries cooperates the complete outside thread of formation.
Can find out by accompanying drawing 4; The plane of fitting surface 6 for forming along the cutting of " own " font broken line; Said " own " font broken line is for to be symmetrical set with minute body nut 3 axis; Wherein two free ends of the broken line of " own " font extend to two sections of branch body nut 3, dividing body nut 3 to be divided into two-part, and the intermediate portion on the broken line of " own " font or parallel or perpendicular to the axis of minute body nut 3.In use, the cooperation of chute and stop block guarantees that left half-nut 4 does not separate with right half-nut 5 diametrically.After the fitting surface 6 of left side half-nut 4 and right half-nut 5 cooperates, form complete internal thread.Accompanying drawing 5 and accompanying drawing 6 are respectively the worm's eye view and the plan view of accompanying drawing 4, the line of cut disalignment that on the both ends of the surface of minute body nut 3, forms, and be to be symmetrical set.
Among the present invention, divide the outer side wall of body nut 3 to be provided with the fastening structure that provides branch body nut 3 to cooperate with split threaded sleeve 2, this fastening structure is in use; Convenient dividing body nut 3 to be screwed on the split threaded sleeve 2; It can be closely cooperated, and fastening structure cooperates external equipment, on the screw-thread fit of dividing body nut 3 and split threaded sleeve 2; Form complete fastening piece, wherein fastening structure can for the nut of selling on the market, be used for fastening or the dismounting various structures.Wherein fastening structure is a polygonal in the accompanying drawing 5 and 6, is fastener hole in the accompanying drawing 7 and 8, and fastener hole is through hole or blind hole, in addition some binding grooves can also be set on the outer side surface of minute body nut 3.
Accompanying drawing 9 is for dividing other a kind of embodiment of body nut 3, and the axial butt joint chucking structure that is wherein shown is a sawtooth, and sawtooth is in the intermediate section of fitting surface 6, and perpendicular to the axis of minute body nut 3.The branch body nut of this saw tooth structure is applicable to the situation that clamping force is not too big, and promptly radial direction is stressed little.
Among the present invention, divide on body nut 3 and the split threaded sleeve 2 to be respectively equipped with internal thread and outside thread, screw thread is generally common thin straight thread; This screw thread is convenient to be installed, and is not easy to damage, but fastener 1 can only be Spielpassung with split threaded sleeve 2; Perhaps select tapered thread for use; Thisly can in the process that minute body nut 3 is tightened, pretightening force be provided, the present invention can be fixed on the fastener tightly fastener 1.
Among the present invention, the minimal openings degree on the fitting surface of left half-nut and right half-nut is more than or equal to the fastening place external diameter on the fastener.On the fitting surface of cut formation; Form two planes on left side half-nut or the right half-nut, the beeline on these two planes is opening degree, and opening degree requires the external diameter more than or equal to fastening place on the fastener; In use; Need be placed in left half-nut and right half-nut on the fastener, cooperate then to form and divide body nut, be used for cooperating with the split threaded sleeve.
Concrete method for using of the present invention: at first be placed in two-part of split threaded sleeve 2 on the fastener 1; Be placed in left half-nut 4 and right half-nut 5 successively the fastening place of fastener 1 then; Fit in one to both chutes and stop block, form and divide body nut 3, at last dividing body nut 3 to be inserted on the split threaded sleeve 2; Screw threads for fastening forms this securing means.
The present invention cooperates conventional nut and threaded sleeve; Be improved to the branch body structure; Form a kind of novel split securing means; Be used for the fastening of slender rod piece or middle thin two pluckings rod member neutral positions, increase the intensity at fastening place, for example fastening anti-eccentric wear device on the sucker rod in field of petroleum exploitation.The present invention's processing simple in structure, easy, the convenient use reliably.
The present invention is when course of working; Can realize through the line cutting plain nut or sleeve pipe; Require to avoid damaged screw in the cutting process, after perhaps cutting is accomplished, internal thread or outside thread are handled; The screw thread of realizing fitting surface 6 places is consistent with each other, prevents in use owing to screw thread is mismatched the problem that produces.When producing in batches, can produce the model of branch body nut 3 and split threaded sleeve 2 through the mode of casting, machining or forging and pressing, utilizing special tooling to clamp then, tapping gets final product.
Claims (10)
1. split securing means; It is characterized in that comprising split threaded sleeve (2), said threaded sleeve is an external thread structure, the outer split nut (3) that is socketed with of said split threaded sleeve (2); Said minute body nut (3) be split-type structural; Form left half-nut (4) and right half-nut (5), have the fitting surface (6) of sealing between said left half-nut (4) and the right half-nut (5), said fitting surface is provided with axial butt joint chucking structure.
2. a kind of split securing means according to claim 1; The chute that it is characterized in that said axial butt joint chucking structure comprises that body nut (3) moves axially along dividing, left half-nut (4) and right half-nut (5) staggers relatively; And stoping left half-nut (4) and right half-nut (5) along the stop block that divides body nut (3) radially to separate, said chute cooperates with stop block.
3. a kind of split securing means according to claim 2 is characterized in that the plane of said fitting surface (6) for forming along the cutting of " own " font broken line, and said " own " font broken line is for to be symmetrical set with a minute body nut (3) axis.
4. a kind of split securing means according to claim 1 is characterized in that said axial butt joint chucking structure is a sawtooth, and said sawtooth is in the intermediate section of fitting surface (6), and perpendicular to the axis of a minute body nut (3).
5. a kind of split securing means according to claim 1 is characterized in that said split threaded sleeve (2) is cutting partial thread sleeve pipes that form, two symmetries, and the partial thread sleeve pipe of said two symmetries cooperates the complete outside thread of formation.
6. a kind of split securing means according to claim 1 after the fitting surface (6) that it is characterized in that said left half-nut (4) and right half-nut (5) cooperates, forms complete internal thread.
7. a kind of split securing means according to claim 1 is characterized in that minimal openings degree on the fitting surface (6) of said left half-nut (4) and right half-nut (5) is more than or equal to the fastening place external diameter on the fastener (1).
8. a kind of split securing means according to claim 1, it is characterized in that said minute body nut (3) outer side wall be provided with the fastening structure that provides branch body nut (3) to cooperate with split threaded sleeve (2).
9. said according to Claim 8 described a kind of split securing means is characterized in that described fastening structure is polygonal or fastener hole.
10. according to the described a kind of split securing means of above any claim, it is characterized in that described internal thread and outside thread are straight thread or tapered thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103593611A CN102494001A (en) | 2011-11-14 | 2011-11-14 | Separated-type fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103593611A CN102494001A (en) | 2011-11-14 | 2011-11-14 | Separated-type fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102494001A true CN102494001A (en) | 2012-06-13 |
Family
ID=46185849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103593611A Pending CN102494001A (en) | 2011-11-14 | 2011-11-14 | Separated-type fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102494001A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632846A (en) * | 2015-01-30 | 2015-05-20 | 无锡市曙光高强度紧固件有限公司 | Dismounting and mounting type nut for kitchen ventilator |
| CN106051093A (en) * | 2016-06-21 | 2016-10-26 | 宁波中车时代传感技术有限公司 | Lead screw nut easy to demount and mount |
| CN108488491A (en) * | 2018-04-16 | 2018-09-04 | 平南县五金制品厂 | A kind of pipe clamp facilitating dismounting |
| CN112943737A (en) * | 2021-02-04 | 2021-06-11 | 山东锐凯工程机械有限公司 | Structure-optimized lower cylinder body |
| CN113638958A (en) * | 2021-08-16 | 2021-11-12 | 吉林省翊诚信息技术有限公司 | Split self-locking screw |
Citations (8)
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| US609509A (en) * | 1898-08-23 | Vilhelm a | ||
| US647928A (en) * | 1899-12-13 | 1900-04-24 | Charles F Adams | Washer. |
| US2664023A (en) * | 1951-11-30 | 1953-12-29 | Mugford Ronald | Snap-on split nut |
| US5039266A (en) * | 1990-04-30 | 1991-08-13 | Yu Shi Sangyo Kabushiki Kaisha | Divided nut |
| CN1374183A (en) * | 2001-03-09 | 2002-10-16 | 三菱重工业株式会社 | Electric split nut opening/closing apparatus for mould equipment |
| CN2552679Y (en) * | 2002-06-20 | 2003-05-28 | 力劲机械（深圳）有限公司 | Device for opening-closing nut |
| CN2866934Y (en) * | 2005-12-14 | 2007-02-07 | 杨国龙 | Fast screw nut |
| US20110268531A1 (en) * | 2010-06-10 | 2011-11-03 | Heide Denis | Segmented thread and connecting arrangement |
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2011
- 2011-11-14 CN CN2011103593611A patent/CN102494001A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US609509A (en) * | 1898-08-23 | Vilhelm a | ||
| US647928A (en) * | 1899-12-13 | 1900-04-24 | Charles F Adams | Washer. |
| US2664023A (en) * | 1951-11-30 | 1953-12-29 | Mugford Ronald | Snap-on split nut |
| US5039266A (en) * | 1990-04-30 | 1991-08-13 | Yu Shi Sangyo Kabushiki Kaisha | Divided nut |
| CN1374183A (en) * | 2001-03-09 | 2002-10-16 | 三菱重工业株式会社 | Electric split nut opening/closing apparatus for mould equipment |
| CN2552679Y (en) * | 2002-06-20 | 2003-05-28 | 力劲机械（深圳）有限公司 | Device for opening-closing nut |
| CN2866934Y (en) * | 2005-12-14 | 2007-02-07 | 杨国龙 | Fast screw nut |
| US20110268531A1 (en) * | 2010-06-10 | 2011-11-03 | Heide Denis | Segmented thread and connecting arrangement |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632846A (en) * | 2015-01-30 | 2015-05-20 | 无锡市曙光高强度紧固件有限公司 | Dismounting and mounting type nut for kitchen ventilator |
| CN106051093A (en) * | 2016-06-21 | 2016-10-26 | 宁波中车时代传感技术有限公司 | Lead screw nut easy to demount and mount |
| CN106051093B (en) * | 2016-06-21 | 2019-02-22 | 宁波中车时代传感技术有限公司 | A kind of detachable mounted feed screw nut |
| CN108488491A (en) * | 2018-04-16 | 2018-09-04 | 平南县五金制品厂 | A kind of pipe clamp facilitating dismounting |
| CN112943737A (en) * | 2021-02-04 | 2021-06-11 | 山东锐凯工程机械有限公司 | Structure-optimized lower cylinder body |
| CN113638958A (en) * | 2021-08-16 | 2021-11-12 | 吉林省翊诚信息技术有限公司 | Split self-locking screw |
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| PB01 | Publication | ||
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| ASS | Succession or assignment of patent right |
Owner name: LI SHIYU Free format text: FORMER OWNER: HEBEI UNIVERSITY OF SCIENCE AND TECHNOLOGY Effective date: 20121116 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Shiyu Inventor after: Li Li Inventor after: Liang Li Inventor before: Li Li Inventor before: Liang Li Inventor before: Zhang Zhanshou Inventor before: Bian Hongqing |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI LI LIANG LI ZHANG ZHANSHOU BIAN HONGQING TO: LI SHIYU LI LI LIANG LI |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20121116 Address after: 050000 dormitory 11-1-602, Agricultural Road Academy, Youyi North Street, Hebei, Shijiazhuang Applicant after: Li Shiyu Address before: 050000 Shijiazhuang, Yu Yu Street, Hebei, No. 26 Applicant before: Hebei University of Science and Technology |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120613 |