CN2222260Y - Folding type pivotal structure - Google Patents
Folding type pivotal structure Download PDFInfo
- Publication number
- CN2222260Y CN2222260Y CN 95204819 CN95204819U CN2222260Y CN 2222260 Y CN2222260 Y CN 2222260Y CN 95204819 CN95204819 CN 95204819 CN 95204819 U CN95204819 U CN 95204819U CN 2222260 Y CN2222260 Y CN 2222260Y
- Authority
- CN
- China
- Prior art keywords
- rotary seat
- protruding
- pivot
- concave
- abaculus
- 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 - Fee Related
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Abstract
The utility model relates to a folding type pivotal structure used for rod bodies, comprising a rotary seat (1) and a concave rotary seat (2) which are jointed and pivoted with each other, a spring (3), an unfastening button (4), etc., wherein, the concave parts and the convex parts with inclined side faces, springs and a wrenched clamping block (42) which are arranged among the utility model are utilized by the utility model; so the utility model has the advantages of smooth operation, capable of positioning of deployment and folding, few components, simple structure and easy assembly.
Description
The utility model relates to a kind of collapsible articulation structure, particularly relates to a kind of collapsible articulation structure that body of rod collapsible connects that is used for.
Known as baby carriage, the skeleton that wheelbarrow or Infants' bed etc. can be amounted to, its pivot knot bending part all is provided with articulation structure and locatees for amounting to or launching, as shown in figure 11, be a kind of joint portion locking device, its butt end at pivot knot left and right sides bipole body forms the outstanding seat (A) of overlapping shape up and down, and the peritreme inboard on outstanding seat (A) is provided with abaculus (A1) and pivot hole (A2), and the outstanding seat (A) of upside, abaculus (A1) forms a groove (A11) along the periphery of pivot hole (A2), with with the corresponding spin-block of two relative pivot holes (A2) structural form (B) by an axle center (C) and a press button (D) phase noose, and the outstanding seat (A) of the corresponding upside of press button (D) bottom peripheral edge, the groove (A11) of abaculus (A1) forms a catch (D1); Outstanding seat (A) with the left and right sides body of rod during assembling plugs formation three ply columnar structures, make spin-block (B) place the pivot hole (A2) of outstanding seat (A), and between spin-block (B) and the outstanding seat in bottom side (A), be installed with a spring (E), and the catch (D1) of press button (D) is embedded in just in the groove (A11) of last side-prominent seat (A) abaculus (A1), cover press button (D) with a cover plate (F) again and be consolidated on the outstanding seat (A); Shown in Figure 12,13, the spin-block (B) in the outstanding seat (A) promptly is subjected to the support of spring (E) and is positioned at just on the involutory surface of outstanding seat (A), forms a fixed structure state, makes the bipole body can't turn; When desire change body of rod angle is folded, shown in Figure 14,15, press button (D) revolved to move make its catch (D1) break away from the groove (A11) of abaculus (A1), press down pushing and pressing spin-blocks (B) again and move down into the bottom side fixed point, this can make two spin-blocks (B) be positioned at outstanding seat (A) just, and make the base one outstanding seat (A) of bipole body rotate in the lump by a related spin-block (B), make bipole body can give relative bending.Its deficiency is: complex structure, to assemble time-consumingly, and operation is also inconvenient.
The purpose of this utility model is, overcomes the shortcoming of prior art, and provides a kind of assembly simple, easy to operate collapsible articulation structure.
The novel purpose of this reality is realized by following technological scheme.A kind of collapsible articulation structure, include two be involutory pivot knot and each tool one sleeve pipe protruding rotary seat (1) and concave rotary seat (2), it is characterized in that: protruding rotary seat (1) center is prominent establishes one and contains the pivot (11) that connects axis hole (111), end face is provided with two arc grooves (112), and pedestal outer shroud periphery forms snap-on body (12), snap-on body (12) end also forms the abaculus (121) that both sides respectively have inclined-plane (1211) and vertical plane (1212), and abaculus (121) bottom is provided with recessed rank (122); Be formed centrally a perforation (21) in the concave rotary seat (2), and be provided with embedding hole (22) in the mating face of protruding relatively rotary seat (1) abaculus (121), and the side is provided with the projection that the side is the inclined-plane (23) in addition, and is provided with a draw-in groove (24) at the periphery sidepiece, and the one side is inclined-plane (241); Spring (3) noose provides one to compel the elastic force that top protruding rotary seat (1) and concave rotary seat (2) are separated on the pivot (11) of protruding rotary seat (1); Fastener-disengaging (4) is provided with bigger recess (41) at the involutory surface of the projection (23) of relative rotary seat (2), and be provided with a fixture block (42) in periphery one side, and form a shrinkage pool (43) and connect axis hole (44) at the pivot (11) of center corresponding rotation seat (1), and the groove (112) of pivot (11) end face is provided with protruding pin (45) relatively; Protruding, concave rotary seat (1), (2) and fastener-disengaging (4) by an axle select (7), nut (8) pass axis hole (111), (44) are connected.
The utility model compared with prior art has tangible advantage and good effect.By above technological scheme as can be known, the mutually knot portion of the utility model in the joint forms two rotary seats and is involutory, and one is protruding rotary seat, and its center is respectively equipped with a pivot and a sheathed spring, and becomes two snap-on bodies with abaculus at outer ring; And another is a concave rotary seat, and its relative abaculus is provided with two embedding holes, and in be formed centrally perforation, and in addition the side is provided with projection, this projection side is the inclined-plane; Concave rotary seat is nested with pivot with perforation and protruding rotary seat is involutory, but be provided with self relatively rotation and at pivot pin end again with pivotally supported fastener-disengaging, the involutory surface periphery of this fastener-disengaging and concave rotary seat projection also is provided with bigger recess, and the relative positioning wedged block that is provided with concave rotary seat of a side; And the joint is when being in stationary state, and this fastener-disengaging then compels to be butted on the projection of concave rotary seat, makes that two rotary seats are involutory to be connected airtight and with abaculus and embedding hole clip mutually; When separating when pulling, fastener-disengaging can be rotated the projection that an angle makes concave rotary seat and just embed its recess, and the interface of two rotary seats is separated; This two rotary seat links to each other with nut by a spiral shell select with fastener-disengaging.From the above, the utility model comprises that rotary seat (1) and concave rotary seat (2), a spring (3) and of two pivots knots of being involutory separate button members such as (4); Utilize recess part that is provided with in the middle of them and the projection of being with prism, and spring and the fixture block (42) that can pull, make its have operation along prompt, launch, fold the advantage that can both locate, and the utility model also to have an assembly few, advantage simple in structure, easy to assembly.
In sum, it is few, simple in structure to the utlity model has assembly, and assembling and launches easily, rapidly, receives and opens convenient advantage smoothly.
The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.
Fig. 1 is an exploded perspective view of the present utility model.
Fig. 2 is that the utility model combination launches fixing longitudinal section, the i.e. sectional view of A among Fig. 3-A section.
Fig. 3 is the front view that the utility model launches stationary state.
Fig. 4 is that the schematic representation of pulling is separated in the rotation of the utility model fastener-disengaging.
Fig. 5 is the schematic representation of B among Fig. 4-B section.
Fig. 6 is the front view of the utility model when just rotating.
Fig. 7 is the sectional view of the relative rotary course of the utility model rotary seat.
Fig. 8 is the front view of the utility model rotary seat rotary course.
Fig. 9 is the front view that the utility model folds.
Figure 10 is the partial sectional view of C among Fig. 9-C section.
Figure 11 is the exploded perspective view in known joint.
Figure 12 is the plan view of known joint when being launched into straight line.
Figure 13 is that straight longitudinal section is launched in known joint.
Figure 14 is the plan view of known joint bending.
Figure 15 is the longitudinal section of known joint bending.
See also shown in Figure 1ly, the utility model includes two pivots knots and respectively have protruding rotary seat (1) and concave rotary seat (2), a spring (3) and a fastener-disengaging (4) of sleeve pipe (5), (6) of being involutory; Wherein:
Protruding rotary seat (1), the pivot (11) in a coherent axis hole (111) is equipped with at the center, axial end is provided with two arc grooves (112), and pedestal outer shroud periphery forms two snap-on bodies (12), the end of this snap-on body (12) also forms an abaculus (121), and this abaculus (121) two ends respectively are provided with an inclined-plane (1211) and vertical plane (1212), and abaculus (121) bottom is provided with recessed rank (122), and abaculus (121) can be suppressed in the recessed rank (122); Concave rotary seat (2), in be formed centrally a perforation (21), and the abaculus (121) that corresponding protruding rotary seat (1) is gone up snap-on body (12) is provided with two embedding holes (22), and it is provided with projection (23) in side in addition, and being provided with a draw-in groove (24) at the periphery sidepiece, these draw-in groove (24) one sides are an inclined-plane (241); Spring (3), noose are compeled the effect of top two rotary seats (1), (2) to provide one on the pivot (11) of protruding rotary seat (1); The involutory surface of the corresponding concave rotary seat of fastener-disengaging (4) (2) projection (23) is provided with bigger recess (41), and the recess (41) at periphery one side one is provided with a fixture block (42), and the pivot (11) of the protruding relatively rotary seat in its center (1) and arc groove (112) form a shrinkage pool (43), connect axis hole (44) and two protruding pins (45).
See also shown in Figure 2, protruding rotary seat (1) is to be nested with the perforation (21) that spring (3) passes concave rotary seat (2) with pivot (11), by fastener-disengaging (4) with bottom surface shrinkage pool (43) fit pivot (11), and protruding pin (45) is inserted in the groove (112) of pivot (11) end face, pass axis hole (44), (111) of fastener-disengaging (4) and protruding rotary seat (1) pivot (11) again with a bolt (7), and cooperate nut (8) fixing, promptly forming one can counterrotating collapsible joint.
See also Fig. 2, shown in Figure 3, wherein fastener-disengaging (4) and protruding rotary seat (1) are because the effect of axle bolt (7) and nut (8) maintains fixing spacing, and when fastener-disengaging (4) is pulled in the draw-in groove (24) of concave rotary seat (2) with its periphery fixture block (42) embedding, then fastener-disengaging (4) bottom surface is butted on the projection (23) of concave rotary seat (2), and make two rotary seats (1), (2) mutually close combination, embed in the embedding hole (22) with the abaculus (121) on the snap-on body (12) of its involutory surface, be butted on embedding hole (22) inlay card by the vertical plane (1212) of abaculus (121) and fix, and can't turn.
See also Fig. 4, shown in Figure 5, the fixture block (42) of fastener-disengaging (4) one sides is pulled draw-in groove (24) from concave rotary seat (2), fastener-disengaging (4) can be located after right rotation one angle along the tongue (112) on the pivot (11) by the protruding pin (45) in the bottom surface shrinkage pool (43), this position just makes concave rotary seat (2) be subjected to the support of spring (3) to make its projection (23) embed the interior location of recess (41) of fastener-disengaging (4) simultaneously, and this concave rotary seat (2) promptly breaks away from protruding rotary seat (1), make both embedding hole (22) and abaculus (121) clip no longer, so can be with two rotary seats (1) in joint, (2) rotation relatively; And when rotation, because of fastener-disengaging (4) is to insert groove (112) end that is butted on protruding rotary seat (1) pivot (11) with its bottom surface protruding pin (45), so when protruding rotary seat (1) promptly drives fastener-disengaging (4) rotation synchronously once revolving to move, and the most at the beginning, as shown in Figure 1, because the recess (41) of fastener-disengaging (4) is greater than the projection (23) of concave rotary seat (2), though utilize the protruding rotary seat of its clearance (1) easily turn make abaculus (121) on its snap-on body (12) no longer corresponding to the embedding hole (22) of concave rotary seat (2); Then, protruding rotary seat (1) is in case continue rotation, related fastener-disengaging (4), recess (41) is slipped away behind the projection (23) of concave rotary seat (2), promptly then the in addition side that becomes concave rotary seat (2) urges the abaculus (121) on protruding rotary seat (1) snap-on body (12), at this moment, as shown in Figure 7, the recessed rank (122) that this abaculus (121) is installed with promptly are compressed, and protruding rotary seat (1) is moved past in the journey in follow-up revolving, this abaculus (121) is all slided the bottom surface that is against concave rotary seat (2) because of the elastic bending effect of snap-on body (12); When amounting to a certain angle, as shown in Figure 8, fastener-disengaging (4) can be driven the relative position of cycle and concave rotary seat (2), make fixture block (42) embed the draw-in groove (24) of rotary seat (2) again, but, cause protruding rotary seat (1) rotation to fold without hindrance because of draw-in groove (24) side is to be designed to inclined-plane (241) fit fixture block (42) can be skidded off smoothly; And after rotary seat (1), (2) fold fully and close, as shown in Figure 9, it becomes set relatively snap-on body (12) abaculus (121) of 180 degree and the position in embedding hole (22) is intermodulation, and when fixing a point, the inlay (121) of snap-on body (12) promptly automatically embed embedding hole (22) and fixing joint in the state that folds, as shown in figure 10; When desiring to launch the joint once again, can utilize the inclined-plane (1211) of snap-on body (12) abaculus (121) to make protruding rotary seat (1) the rotary expansion embedding hole (22) of concave rotary seat (2) of can directly slipping away, and reply the fixing state that launches as shown in Figure 2.
Claims (1)
1, a kind of collapsible articulation structure, include two be involutory pivot knot and each tool one sleeve pipe protruding rotary seat (1) and concave rotary seat (2), it is characterized in that: protruding rotary seat (1) center is prominent establishes one and contains the pivot (11) that connects axis hole (111), end face is provided with two arc grooves (112), and pedestal outer shroud periphery forms snap-on body (12), snap-on body (1 2) end also forms the abaculus (121) that both sides respectively have inclined-plane (1211) and vertical plane (1212), and abaculus (121) bottom is provided with recessed rank (122); Be formed centrally a perforation (21) in the concave rotary seat (2), and be provided with embedding hole (22) in the mating face of protruding relatively rotary seat (1) abaculus (121), and the side is provided with the projection that the side is the inclined-plane (23) in addition, and is provided with a draw-in groove (24) at the periphery sidepiece, and the one side is inclined-plane (241); Spring (3) noose provides one to compel the elastic force that top protruding rotary seat (1) and concave rotary seat (2) are separated on the pivot (11) of protruding rotary seat (1); Fastener-disengaging (4) is provided with bigger recess (41) at the involutory surface of the projection (23) of relative rotary seat (2), and be provided with a fixture block (42) in periphery one side, and form a shrinkage pool (43) and connect axis hole (44) at the pivot (11) of center corresponding rotation seat (1), and the groove (112) of pivot (11) end face is provided with protruding pin (45) relatively; Protruding, concave rotary seat (1), (2) and fastener-disengaging (4) by an axle select (7), nut (8) pass axis hole (111), (44) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95204819 CN2222260Y (en) | 1995-03-13 | 1995-03-13 | Folding type pivotal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95204819 CN2222260Y (en) | 1995-03-13 | 1995-03-13 | Folding type pivotal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2222260Y true CN2222260Y (en) | 1996-03-13 |
Family
ID=33857216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95204819 Expired - Fee Related CN2222260Y (en) | 1995-03-13 | 1995-03-13 | Folding type pivotal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2222260Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100582504C (en) * | 2006-03-31 | 2010-01-20 | 鸿富锦精密工业（深圳）有限公司 | Rotation mechanism |
| CN106369042A (en) * | 2016-10-18 | 2017-02-01 | 太仓望虞机械科技有限公司 | Convenient-to-splice double-tube cantilever |
| CN107685668A (en) * | 2016-08-03 | 2018-02-13 | 福特全球技术公司 | The angled table of seat installation |
| CN110259813A (en) * | 2019-06-25 | 2019-09-20 | 北京石油化工学院 | Rotary positioning mechanism and upper limb healing device with the mechanism |
-
1995
- 1995-03-13 CN CN 95204819 patent/CN2222260Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100582504C (en) * | 2006-03-31 | 2010-01-20 | 鸿富锦精密工业（深圳）有限公司 | Rotation mechanism |
| CN107685668A (en) * | 2016-08-03 | 2018-02-13 | 福特全球技术公司 | The angled table of seat installation |
| CN106369042A (en) * | 2016-10-18 | 2017-02-01 | 太仓望虞机械科技有限公司 | Convenient-to-splice double-tube cantilever |
| CN110259813A (en) * | 2019-06-25 | 2019-09-20 | 北京石油化工学院 | Rotary positioning mechanism and upper limb healing device with the mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |