CN203926659U - The combined cyclic device structure improvement of ball screw - Google Patents
The combined cyclic device structure improvement of ball screw Download PDFInfo
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- CN203926659U CN203926659U CN201420211847.XU CN201420211847U CN203926659U CN 203926659 U CN203926659 U CN 203926659U CN 201420211847 U CN201420211847 U CN 201420211847U CN 203926659 U CN203926659 U CN 203926659U
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Abstract
The utility model provides a kind of combined cyclic device structure improvement of ball screw, this combined cyclic device system comprises first, second structure body and diclinic V shape positioning part, this diclinic V shape positioning part comprises that two oblique forked projections and two oblique fork groove are divided into the first combinating face of the first structure body and the second combinating face opposite position place of the second structure body and can be mutually chimeric, in order to do the end of tiltedly stretching that forms this oblique forked projection, protrudes out direction for complying with the kenel that is matched with the oblique angle of the second structure body set two oblique side; By this, because the end of tiltedly stretching of oblique forked projection protrudes out direction and is relatively near and complies with the kenel that is matched with the oblique angle of the second structure body set two oblique side, therefore when screw diameter is that small dimension requirement is while causing circulator specification area palpus relative decrease, for tiltedly stretching of this oblique forked projection, hold the impact that protrudes out length can be down to minimum, make circulator when small dimension state, still can possess best of breed positioning states and utilize benefit with the practical improvement of manufacturing convenience with better industry.
Description
Technical field
The utility model relates to a kind of circulator of ball screw, and particularly the end of tiltedly stretching of its oblique forked projection of a kind of finger is mutually relatively near the innovative design person of the kenel.
Background technique
The circulator of ball screw is the use as the ball member direct circulated device of ball screw.In circulator structural design, for in response to the non-screw thread characteristic that goes out dentition formula screw rod, make circulator assembling, disassembling can be convenient efficient, then there is relevant industry to develop a kind of improved type circulator structure kenel of two combinations, so that circulator is while being assembled in the screw thread corresponding position of nut, can first assemble with half lamellar body wherein, then first carry out after the Assembly Action of ball, then complete the assembling operation of second half lamellar body.
Though described two piece combined circulators have the convenience advantage in its assembling, but relatively because of combined type kenel, derive some problem points also, as because the design shortcoming steadiness of two lamellar body combination parts, cause circulator running above easily to produce vibrations, become flexible and affect the ball normally property led and the problem points in working life; And because being assembled into of circulator embeds the state of nut end face inside, so it while wanting to change in the future, tends to exist because of embedded kenel the difficult time-consuming problem points of dismounting.
For these reasons, this case creator previously then developed before a patent case think in response to, it is Republic of China's patent publication No. 201109550 its " circulator of ball screw " patent of invention of taking off, in this front case, mainly disclosed the combined position of first, second structure body of a kind of combined cyclic device in ball screw system by the design of diclinic V shape positioning part, to reach two angles, suppress inlay card effect kenel, make the mutual assembled state of first, second structure body of circulator locate effect and the object that steadiness can significantly promote strengthening.
Only, creator is after developing this front case structure, not with this complacency, this is in the creation spirit of keeping on improving, still continue this front case structure to examine and test, find that this front case design still exists following problems and disappearance part: the diclinic V shape positioning part of taking off in this front case is to comprise that two oblique forked projections and two oblique fork groove form, and this two oblique forked projection and the mutual V-shaped relative kenel of outwards tiltedly stretching of oblique fork groove system, this oblique forked projection and diclinic fork groove be divided into the first structure body and the second structure body combinating face opposite position place and can be mutually chimeric, make by this assembled state of first, second structure body obtain location, yet, this oblique V shape positioning part kenel design, because its oblique forked projection is to be the kenel of relatively outwards tiltedly stretching, so that its oblique forked projection protrude out the state that direction system is directly approached towards two oblique inner side edges of circulator, thus, when the diameter of screw rod is while requiring compared with small dimension, because circulator specification area must dwindle relatively thereupon, now its oblique forked projection end of relatively outwards tiltedly stretching kenel will present the state in too close circulator limit, because this state can be because of the too weak not enough structural strength that affects of wall meat, therefore must shorten the length that protrudes out of this oblique forked projection end, only have influence on so again first, the second structure body combinating face is chimeric firm effect mutually, and this oblique forked projection end protrude out length once foreshorten to a certain degree, also can produce the problem points of processing difficulties.
Therefore for the existing problem points of combined cyclic device structure of above-mentioned known ball screw, how to develop a kind of innovation structure that has more desirable practicability, the relevant dealer of real system must make great efforts target and the direction of research and development breakthrough again.
Given this, this is engaged in manufacturing development and the design experiences of Related product in for many years creator, for above-mentioned target, in detail after design and scrupulous assessment, eventually this creation of a true tool practicability.
Model utility content
The technical problems to be solved in the utility model is in order to overcome the defect of prior art, tie up to a kind of combined cyclic of ball screw device structure improvement is provided, the problem points of its wish solution is by combined cyclic device structure, to be that target is improved free man for how developing a kind of new-type ball screw that has more desirable practicability.
The utility model is to solve above-mentioned technical problem by following technical proposals:
The combined cyclic device structure system of this ball screw comprises that first, second structure body and diclinic V shape positioning part, this first structure body comprise one first clasp abutment facing, one first combinating face and be one of curved state of arc the first ball face of leading; The second structure body comprises one second clasp abutment facing, one second combinating face and is one of curved state of arc the second ball face of leading; Wherein this second combinating face system uses with the first combinating face of the first structure body and organizes mutually by coordinating, and forms the kenel that the mutual concordant linking of first, second clasp abutment facing, the second ball face of leading are connected mutually with the first ball face of leading; This diclinic V shape positioning part system comprises that two oblique forked projections and two oblique fork groove form, this oblique forked projection and diclinic fork groove are divided into the first combinating face of the first structure body and the second combinating face opposite position place of the second structure body and can be mutually chimeric, and this second structure body has two oblique sides of V-shaped aspect again; The technical characterstic that this creation is dealt with problems, is mainly that the end system of tiltedly stretching of this two oblique forked projection is relatively close kenel mutually, and the kenel that arranges of two oblique fork groove conforms to it; In order to do the end of tiltedly stretching that forms this oblique forked projection, to protrude out direction be to comply with the kenel that is matched with the oblique angle of this second structure body set two oblique side; Innovate by this unique design, make this creation contrast prior art, because the end of tiltedly stretching of this oblique forked projection protrudes out direction system and is relatively near and complies with the kenel that is matched with the oblique angle of the second structure body set two oblique side, therefore when screw diameter is that small dimension requirement is while causing circulator specification area palpus relative decrease, for tiltedly stretching of this oblique forked projection, hold the impact that protrudes out length can be down to minimum, make circulator when small dimension state, still can possess best of breed positioning states and utilize benefit with the practical improvement of manufacturing convenience with better industry.
Accompanying drawing explanation
Fig. 1 is the combination stereogram of the utility model circulator structure preferred embodiment.
Fig. 2 is another visual angle combination stereogram of the utility model circulator structure preferred embodiment.
Fig. 3 is the exploded perspective view of the utility model circulator structure preferred embodiment.
Fig. 4 is the axial sectional view that the utility model circulator is assembled in nut.
Fig. 5 is the radial cross-section that the utility model circulator is assembled in nut.
Fig. 6 is the utility model circulator while being subject to ball to push state, the positioning action power schematic diagram of this diclinic V shape positioning part.
Fig. 7 is the utility model circulator while being subject to ball to push state, the positioning action power schematic diagram of this diclinic V shape positioning part.
Embodiment
Lift a preferred embodiment below, and carry out by reference to the accompanying drawings the clearer the utility model that intactly illustrates.
Referring to shown in the 1st, 2,3 figure, is the preferred embodiment of the combined cyclic device structure improvement of this creation ball screw, and only these embodiments, only for explanation, are not subject to the restriction of this structure in patent application.The combined cyclic device A structure system of described ball screw comprises that being one of three-dimensional bulk the first structure body 10 and one second structure body 20 and diclinic V shape positioning part 30 forms, and this first structure body 10 comprises one first clasp abutment facing 11, one first combinating face 12 and is one of curved state of arc the first ball face of leading 13; This second structure body 20 comprises one second clasp abutment facing 21, one second combinating face 22 and is one of curved state of arc the second ball face of leading 23; Wherein, this second combinating face 22 is to use with the first combinating face 12 of this first structure body 10 to organize by coordinating mutually, and form that this second clasp abutment facing 21 and the first clasp abutment facing 11 are concordantly connected mutually, kenel that this second ball face of leading 23 and the first ball face of leading 13 are connected mutually, the again end of this second ball face of leading 23 there is the importing finger 231 of a cone tip shape; This diclinic V shape positioning part 30 is to comprise that two oblique forked projections 31 and two oblique fork groove 32 form, this oblique forked projection 31 and diclinic fork groove 32 are divided into the first combinating face 12 of the first structure body 10 and the second combinating face 22 opposite position places of the second structure body 20 and can be mutually chimeric, and this second structure body 20 has two oblique sides 24,25 of V-shaped aspect again; The core design of this creation is mainly: the end system of tiltedly stretching of this oblique forked projection 31 is relatively close kenel mutually, and the kenel that arranges of two oblique fork groove 32 conforms to it; In order to do the end of tiltedly stretching that forms this two oblique forked projection 31, to protrude out direction be to comply with the kenel person who is matched with these the second structure body 20 set two oblique side 24,25 oblique angles.
Wherein, between two of this diclinic V shape positioning part 30 oblique forked projections 31, formed angle is between 85 ° to 95 °, to be preferred embodiment.
As shown in the 3rd, 4 figure, on the inclined to one side side position of the first clasp abutment facing 11 1 of this first structure body 10, be more to convex with a hook-shaped projection 40, this hook-shaped projection 40 is that a protrusion hooks build state and defines and be formed with an inner groovy 41.Design by described hook-shaped projection 40, under this C shape clasp dismounting state, the convex of this hook-shaped projection 40 hooks build state, can insert and to driving, reach the convenient efficient practical improvement of dismounting action that makes circulator for an external tool (as hook).
By said structure, form design, described circulator A is mounted on state in the set tapped hole 06 of nut 05 of ball screw 04 and takes off as the 4th, 5 figure, the first clasp abutment facing 11 of the first structure body 10 of this circulator A and the second clasp abutment facing 21 of the second structure body 20 be use for C shape clasp 07 against and produce positioning action; On the other hand, the assembled state of this first, second structure body 10,20, can obtain by described two oblique forked projections 31 and two oblique diclinic V shape positioning part 30 structures that fork groove 32 formed the strong fix effect that a kind of pair of angle suppresses inlay card kenel; And as shown in Figure 6, while importing finger 231 importing circulator A due to ball 08 by this, can produce one to this second structure body 20 and press down active force (as shown in arrow L1), and this one presses down active force, see through the assembly positioning structure feature of described diclinic V shape positioning part 30, to in the combined position of this first, second structure body 10,20, produce the reaction force (as shown in arrow L2, L3) of two different direction, and make by this 12,22 groups of first, second combinating faces of this first, second structure body 10,20 can constant maintenance close and firm state by state.
And the core design of this creation, mainly be that the end of tiltedly stretching that sees through this oblique forked projection 31 is relatively close kenel design mutually, to form tiltedly stretching of this two oblique forked projection 31, hold that to protrude out direction be to comply with the kenel that is matched with the second structure body 20 set two oblique side 24,25 oblique angles; By this as shown in Figure 7, when whole circulator A in response to the small dimension design of ball screw during reduced volume (as shown in arrow L4, this figure is about the state that inside contracts 1/10th), the end of tiltedly stretching of described two oblique forked projections 31, oblique fork groove 32 protrudes out still unlikely being affected of length, chimeric length and area state and effect (please contrast the 6th figure takes off) in the time of can keeping its originally large specification, can effectively solve the existing problem points of known techniques by this.
This creation is taken off " the combined cyclic device structure improvement of ball screw " and mainly by the end of tiltedly stretching of this oblique forked projection, is mutually relatively the innovation unique design near kenel, make this creation contrast conventional construction that background technique is put forward, in order to do forming tiltedly stretching of this oblique forked projection, hold that to protrude out direction be to comply with the kenel that is matched with the oblique angle of this second structure body set two oblique side; By this, because the end of tiltedly stretching of this oblique forked projection protrudes out direction system and is relatively near and complies with the kenel that is matched with the oblique angle of the second structure body set two oblique side, therefore when screw diameter is that small dimension requirement is while causing circulator specification area palpus relative decrease, for tiltedly stretching of this oblique forked projection, hold the impact that protrudes out length can be down to minimum, make circulator when small dimension state, still can possess best of breed positioning states and utilize benefit with the practical improvement of manufacturing convenience with better industry.
Above-described embodiment those disclosed herein system uses and illustrates this creation, though and through specific term, describe in literary composition, when not limiting with this scope of the claims of this novel creation; The personage who is familiar with technique field is when change with modification and reach equivalent object it after the spirit of understanding this creation and principle, and these change and modification, all should be covered by the category that claim defined as described later.
Claims (3)
1. the combined cyclic device structure improvement of a ball screw, it is characterized in that, the combined cyclic device structure system of this ball screw includes: be one of three-dimensional bulk the first structure body and one second structure body and diclinic V shape positioning part and form, this first structure body comprises one first clasp abutment facing, one first combinating face and is one of curved state of arc the first ball face of leading; This second structure body comprises one second clasp abutment facing, one second combinating face and is one of curved state of arc the second ball face of leading; Wherein this second combinating face system uses with the first combinating face of this first structure body and organizes mutually by coordinating, and form the kenel that this second clasp abutment facing and the first clasp abutment facing are concordantly connected mutually, this second ball face of leading is connected mutually with the first ball face of leading, the end of this second ball face of leading there is the importing finger of a cone tip shape again; This diclinic V shape positioning part system comprises that two oblique forked projections and two oblique fork groove form, this oblique forked projection and diclinic fork groove are divided into the first combinating face of the first structure body and the second combinating face opposite position place of the second structure body and can be mutually chimeric, and this second structure body has two oblique sides of V-shaped aspect again; It is characterized in that: the end system of tiltedly stretching of this oblique forked projection is relatively close kenel mutually, and the kenel that arranges of two oblique fork groove conforms to it; In order to do the end of tiltedly stretching that forms this two oblique forked projection, to protrude out direction be to comply with the kenel person who is matched with the oblique angle of this second structure body set two oblique side.
2. the combined cyclic device structure improvement of ball screw as claimed in claim 1, is characterized in that, wherein between two of this diclinic V shape positioning part oblique forked projections, formed angle is between 85 ° to 95 °.
3. the combined cyclic device structure improvement of ball screw as claimed in claim 1, it is characterized in that, on the inclined to one side side position of the first clasp abutment facing one of this first structure body, be wherein more to convex with a hook-shaped projection, this hook-shaped projection is that a protrusion hooks build state and defines and be formed with an inner groovy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211847.XU CN203926659U (en) | 2014-04-28 | 2014-04-28 | The combined cyclic device structure improvement of ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211847.XU CN203926659U (en) | 2014-04-28 | 2014-04-28 | The combined cyclic device structure improvement of ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926659U true CN203926659U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420211847.XU Expired - Lifetime CN203926659U (en) | 2014-04-28 | 2014-04-28 | The combined cyclic device structure improvement of ball screw |
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| Country | Link |
|---|---|
| CN (1) | CN203926659U (en) |
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2014
- 2014-04-28 CN CN201420211847.XU patent/CN203926659U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |