CN101274603A - Dovetail tenon structure - Google Patents
Dovetail tenon structure Download PDFInfo
- Publication number
- CN101274603A CN101274603A CNA2008100875328A CN200810087532A CN101274603A CN 101274603 A CN101274603 A CN 101274603A CN A2008100875328 A CNA2008100875328 A CN A2008100875328A CN 200810087532 A CN200810087532 A CN 200810087532A CN 101274603 A CN101274603 A CN 101274603A
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- dovetail
- mentioned
- introduction part
- seat body
- maintaining part
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- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 208000013623 stereotypic movement disease Diseases 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000003042 antagnostic effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention provides a dovetail structure, capable of enlarging absorption of deviated seats with uneasy drawing when tabled. A dovetail (61) extending towards a front wall surface (52) of an upper rotor (23) is mounted on a bracket (51) of a seat leg (31), a door dovetail (62) is mounted on a section of the front wall surface (52) facing to the dovetail (61) when in an intake state (41). An upper side (101) of the dovetail (61) is formed by an upper side (102) of a base end side forming a retaining part (91) and au upper side (103) of a front end side forming an introduction part (92). The taper value on the retaining part (91) is different from the same on the introduction part (92) of the dovetail (61), and taper value on the introduction part (92) is bigger than the same on the introduction part (92).
Description
Technical field
The present invention relates to a kind of dovetail tenon structure that rocks that is used to contain.
Background technology
All the time, as special vehicle (welfare vehicles), the vehicle that is provided with seat elevating gear is well-known.
The rotating mechanism that this seat elevating gear comprises the slide mechanism that is arranged on the base plate, supported by this slide mechanism, by the lifting mechanism that this rotating mechanism supports, seat leg is supported on the arm of this lifting mechanism.
Thereby, in the seat body that keeps by this seat leg by above-mentioned rotating mechanism and under the state that companion way rotates, the arm work of above-mentioned lifting mechanism, above-mentioned seat body descends to the outdoor mobile one side of vehicular drive on one side.
As shown in Figure 6, at the dovetail 801 that keeps being provided with on the seat leg of above-mentioned seat body cone shape, turn 802 front face 803 on the top of above-mentioned rotating mechanism on, offered the dovetail female 804 that above-mentioned dovetail 801 can insert.
Thereby, when the arm of above-mentioned lifting mechanism carries out work and above-mentioned seat body is taken in, be arranged on above-mentioned dovetail 801 on the above-mentioned seat leg and be embedded into and be arranged on top and turn in the dovetail female 804 on 802, can contain that above-mentioned seat body is with respect to turn 802 rock of above-mentioned top.
Yet in this dovetail tenon structure, in order to increase the intake when receiving the skew of the seat body that is contained, must increase the tapering of above-mentioned dovetail 801, but under the situation of the tapering that increases above-mentioned dovetail 801, under above-mentioned dovetail 801 is embedded in state in the dovetail female 804, if apply the external force 811 of above-below direction, then affact component on the described dovetail 801 and will act on the direction of extracting in the above-mentioned dovetail female 804 to seat body.
Thereby there is unintentionally the problem that above-mentioned dovetail 801 can be extracted in the above-mentioned dovetail female 804.
For anti-kind situation here takes place, consider to dwindle the tapering of above-mentioned dovetail 801, but must increase the entire length of dovetail 801, be easy to generate other unaccommodated situation in order to increase seat out-of-position intake this moment.
Summary of the invention
In view of the above problems, the purpose of this invention is to provide a kind of dovetail tenon structure, it can increase seat out-of-position intake, and is difficult to extract when chimeric.
In order to address the above problem, first kind of dovetail tenon structure of the present invention rotates seat body, the vehicle of slip and lifting is with in the jacking system, when making the above-mentioned seat body return mechanism body that moves to away from the position, to form bevelled dovetail is embedded in the dovetail female, can contain above-mentioned seat body rocking with respect to the said apparatus body, wherein, described dovetail comprises introduction part that constitutes front and the maintaining part that constitutes base end side, the taper value of described dovetail on the maintaining part of introduction part that constitutes front and formation base end side is set at different, and the taper value on the above-mentioned introduction part is set for bigger than the taper value on the above-mentioned maintaining part simultaneously.
Just in the introduction part that constitutes front with constitute on the maintaining part of base end part, the tapering of dovetail is set at different value, set the taper value of above-mentioned introduction part bigger than the taper value of above-mentioned maintaining part.
Thereby, because in the introduction part of front, tapering is set at bigger numerical value, can embed in the dovetail female easily, even and produce bigger skew between the dovetail female, also can receive this skew.
On the other hand, in the maintaining part of base end side, tapering is set at less numerical value, thereby when the external force of above-below direction is applied on the above-mentioned seat body, can reduce to extract the component of directive effect on dovetail from dovetail female.
In second kind of dovetail tenon structure, above-mentioned taper value changes continuously from above-mentioned introduction part to above-mentioned maintaining part.
Thereby, can relax the variation of the antagonistic force that when dovetail being embedded in the above-mentioned dovetail female, is born.
In the third dovetail tenon structure, the awl line of centers of above-mentioned introduction part is roughly consistent with the work track of this dovetail, and on the other hand, the awl line of centers of above-mentioned maintaining part is set the input direction approximate vertical with external force for.
Thereby the embedding of introduction part in dovetail female can be more prone to, even and produce very big skew between the dovetail female, also can receive this skew.
On the other hand, when external force is applied on the above-mentioned seat body, can makes and extract the component of directive effect on above-mentioned dovetail from dovetail female and be almost 0.
According to first kind of dovetail tenon structure of the present invention, be set at bigger numerical value by tapering with the front introduction part, can embed in the dovetail female easily, even produce very big skew between dovetail and the dovetail female, also can receive this skew.
On the other hand, be set at than fractional value, thereby when the external force of above-below direction is applied on the above-mentioned seat body, can reduce dovetail to be extracted the component of direction from dovetail female by tapering with the base end side maintaining part.Thereby can prevent from unintentionally dovetail to be extracted in dovetail female.
Therefore, is that the prior art of identical numerical value is compared with the taper value of dovetail being set for from base end side towards front, under the prerequisite that does not increase its whole length, can increase seat out-of-position intake, and when chimeric, can prevent because of being not intended to extract the offset of the seat body that causes.
In addition, in second kind of dovetail tenon structure, by relaxing the variation of the antagonistic force when dovetail being embedded in the above-mentioned dovetail female, born, thereby can successfully carry out embedding operation.
In the third dovetail tenon structure, the embedding of introduction part in dovetail female can be more prone to, even and produce very big skew between the dovetail female, also can receive this skew.
On the other hand, when external force is applied on the above-mentioned seat body, can makes and extract the component of directive effect on above-mentioned dovetail from dovetail female and be almost 0, prevent the effect of extracting unintentionally thereby can further improve.
Description of drawings
Fig. 1 is the cutaway view that shows first embodiment of the invention;
Fig. 2 is the view of action that shows the dovetail tenon structure of same embodiment;
Fig. 3 is the transparent view that shows the dovetail of same embodiment;
Fig. 4 is the view that shows the dovetail of same embodiment, and Fig. 4 (a) is a lateral plan, and Fig. 4 (b) is a birds-eye view;
Fig. 5 is the view that shows second embodiment of the invention;
Fig. 6 is the view that shows the dovetail tenon structure of prior art.
Description of reference numerals
11 seat body
12 jacking systems
Turn in 23 tops
31 seat legs
61 dovetails
62 dovetail females
65 portable cords
91 maintaining parts
91a base end side awl line of centers
92 introduction parts
92a front awl line of centers
101 upper sides
102 base end side upper sides
103 front upper sides
111 line of centerss
112 base end side leaning angles
113 front leaning angles
201 dovetails
202 are connected with upper side
The specific embodiment
(first embodiment)
Hereinafter will be introduced first embodiment of the present invention with reference to the accompanying drawings, Fig. 1 is the view that shows the rotation lifting seat 1 of the dovetail tenon structure that has adopted present embodiment, and this rotation lifting seat 1 is arranged on the special vehicle.
Rotate the jacking system 12 that lifting seat 1 comprises the seat body 11 that constitutes seat, this seat body 11 is supported.The rotating mechanism 15 that jacking system 12 comprises the slide mechanism 14 that is fixed on the hull bottom plate 13, supported by this slide mechanism 14, the lifting mechanism of supporting by this rotating mechanism 15 16.
Thereby above-mentioned seat body constituted can rotate, slip and lifting.
Thereby by rotating mechanism 15, make towards the seat body 11 of the state forward of vehicle front to rotating towards the transverse state of the turnover oral-lateral of side portion of vehicle, simultaneously under this state, the above-mentioned arm of above-mentioned lifting mechanism 16 rotates, the above-mentioned seat body 11 that is arranged on the above-mentioned rotating mechanism 15 and the is in receiving state 41 circular-arc ground displacement of can drawing, thereby can extend to outside the operator's compartment by above-mentioned import and export, can enter into the extension state of decline simultaneously.And, in this extension state, by rotating the above-mentioned arm of above-mentioned lifting mechanism 16, being arranged on the outer above-mentioned seat body 11 of operator's compartment and entering in the operator's compartment by above-mentioned import and export, turns on 23 and forms above-mentioned receiving state 41 in the top that simultaneously seat body 11 is arranged on above-mentioned rotating mechanism 15.
Above-mentioned seat leg 31 is provided with downwards the bracket 51 that extends, and this bracket 51 is arranged on the position of 23 the front face 52 of turning near top when above-mentioned receiving state 41 moves from above-mentioned extension state.
At this moment, as shown in Figure 2, above-mentioned seat leg 31 the structure by carrying out displacement by the rotation of above-mentioned two arms from above-mentioned extension state when above-mentioned receiving state 41 moves, above-mentioned dovetail 61 moves to oblique below from oblique upper with respect to dovetail female 62, inserts in this dovetail female 62.The portable cord 65 of the motion track of demonstration dovetail 61 is with respect to dovetail female 62 diagonally extendings.
Thereby when the seat body outside moving to operator's compartment 11 is returned above-mentioned jacking system 12,, seat body 11 can not had with respect to above-mentioned jacking system 12 with rocking locate by above-mentioned dovetail 61 is embedded in the above-mentioned dovetail female 62.
Shown in Fig. 3 and 4, above-mentioned dovetail 61 forms the conical in shape that attenuates towards front, and its cardinal extremity face 81 forms the elliptical shape of vertical length.Be used on this cardinal extremity face 81, will locating the above and below that is darted at tapped bore 82 with protuberance 83,83 being provided with on the central portion of this cardinal extremity face 81 by the tapped bore 82 of screw retention on above-mentioned bracket 51.
The upper side 101 of dovetail 61 is made of base end side upper side 102 that forms above-mentioned maintaining part 91 and the front upper side 103 that forms above-mentioned introduction part 92.Above-mentioned base end side upper side 102 is shown in Fig. 3 and Fig. 4 (b), and constant to the front end width dimensions from cardinal extremity, cross-sectional plane forms circular-arc.The width dimensions of front upper side 103 diminishes from the cardinal extremity to the front end, and cross-sectional plane forms circular-arc.
Shown in Fig. 3 and Fig. 4 (b), on this dovetail 61, the taper value in the above-mentioned introduction part 92 of formation front is different with the taper value of the above-mentioned maintaining part 91 that constitutes base end side, and the taper value of above-mentioned introduction part 92 is bigger than the taper value of above-mentioned maintaining part 91.
Thereby the base end side leaning angle 112 that the above-mentioned base end side upper side 102 of the line of centers 111 of dovetail 61 and above-mentioned maintaining part 91 is become is set to such an extent that the front leaning angle 113 that become than the above-mentioned front upper side 103 of above-mentioned line of centers 111 and above-mentioned introduction part 92 is big.As shown in Figure 2, set the bent angle of flange part 72, make that the above-mentioned base end side upper side 102 of above-mentioned maintaining part 91 contacts with 72 of above-mentioned flange parts that constitute above-mentioned dovetail female 62 with above-mentioned downside 93 under the state in above-mentioned dovetail 61 is embedded in above-mentioned dovetail female 62.
In addition, form described front upper side 103, make the front of above-mentioned introduction part 92 bore line of centers 92a, roughly consistent with the above-mentioned portable cord 65 of the work track that shows above-mentioned dovetail 61.Form described base end side upper side 102, make under the state in above-mentioned dovetail 61 is embedded in above-mentioned dovetail female 62, the base end side awl line of centers 91a of above-mentioned maintaining part 91 with from the input direction of 11 externally applied forces F of seat body quadrature roughly.
In the left surface 121 and right flank 122 of above-mentioned dovetail 61, form the base end side left surface 123 and base end side right flank 124 almost parallels of above-mentioned maintaining part 91, form the front left surface 125 of above-mentioned introduction part 92 and spacing that front right flank 126 constitutes them and narrow down towards front.
Thereby as shown in Figure 4, above-mentioned maintaining part 91 forms longitudinal size and narrows down towards front, and above-mentioned introduction part 92 forms the thin shape of front end that longitudinal size and width dimensions all narrow down towards front.
In the present embodiment of said structure, the tapering that is arranged on the upper side 101 of the above-mentioned dovetail 61 on the above-mentioned seat leg 31 is set for: the taper value of the front upper side 103 of the introduction part 92 of formation front is different with the taper value of the base end side upper side 102 of the above-mentioned maintaining part 91 that constitutes base end side, and the taper value of above-mentioned introduction part 92 is bigger than the taper value of above-mentioned maintaining part 91.
Thereby, in the big above-mentioned introduction part 92 of taper value, by increasing the skew intake, dovetail 61 can embed in the dovetail female 62 easily, even when on the line of centers of the line of centers 111 of dovetail 61 and dovetail female 62, producing very big skew, also can receive this skew, reliably the introduction part 92 of above-mentioned dovetail 61 front ends be inserted in the peristome 71 of dovetail female 62.
Thereby, can reliably the above-mentioned seat body of being supported by above-mentioned seat leg 31 11 be directed on the correct position.
On the other hand, in the above-mentioned maintaining part 91 of above-mentioned dovetail 61 cardinal extremities, its taper value is set for a short time.Thereby, be configured on the above-mentioned rotating mechanism 15 and above-mentioned dovetail 61 is embedded in receiving state 41 times in the above-mentioned dovetail female 62 in above-mentioned seat body 11, even it is the external force F of above-below direction is applied on the above-mentioned seat body 11, also less at the component that the direction of extracting from above-mentioned dovetail female 62 acts on the above-mentioned dovetail 61.Thereby, can prevent from from dovetail female 62, above-mentioned dovetail 61 to be extracted unintentionally, by reducing pulling capacity, can reduce rocking of above-mentioned seat body 11 simultaneously.
Thereby, is that the prior art of identical numerical value is compared with the taper value of dovetail being set for from base end side towards front, under the prerequisite that does not increase its whole length, can increase seat out-of-position intake, when chimeric, can prevent because of being not intended to the offset of the seat body 11 that drawing causes.
In the present embodiment, form described front upper side 103, make that the front awl line of centers 92a of above-mentioned introduction part 92 is roughly consistent with the above-mentioned portable cord 65 of above-mentioned dovetail 61.Form described base end side upper side 102, make under the state in above-mentioned dovetail 61 is embedded in above-mentioned dovetail female 62, the base end side awl line of centers 91a of above-mentioned maintaining part 91 with from the input direction of 11 externally applied forces F of seat body quadrature roughly.
Thereby can easily above-mentioned introduction part 92 be embedded in the dovetail female 62, even and this dovetail female 62 between produce under the very big out-of-position situation, also can receive this skew.
In addition, when present embodiment is applied on the above-mentioned seat body 11 at the external force F of above-below direction, can makes and extract the component of directive effect on dovetail 61 at dovetail female 62 and be almost 0, prevent the effect of extracting unintentionally thereby can further improve.
(second embodiment)
Fig. 5 is the view that shows second embodiment of the invention, uses identical Reference numeral to represent the parts identical with first embodiment and omit to illustrate, only different piece is described.
Just the above-mentioned upper side 101 of this dovetail 201 comprises the above-mentioned base end side upper side 102 that forms above-mentioned maintaining part 91, the above-mentioned front upper side 103 that forms above-mentioned introduction part 92, is formed with to be connected with upper side 202 between this base end side upper side 102 and front upper side 103.
This is connected with upper side 202 by constituting towards the crooked plane of bending in above-mentioned front upper side 103 side direction below from above-mentioned base end side upper side 102, constitutes the face continuous with this base end side upper side 102 and front upper side 103.
Thereby the tapering of this dovetail 201 constitutes from above-mentioned introduction part 92 to above-mentioned maintaining part 91 and changes continuously.
In said structure, can obtain the effect identical with first embodiment.
In addition, because the tapering of this dovetail 201 constitutes from above-mentioned introduction part 92 to above-mentioned maintaining part 91 and changes continuously, thereby in the above-mentioned dovetail female 62 of dovetail 201 embeddings the time, can relax the variation of the antagonistic force that bears from above-mentioned flange part 72.
Thereby can successfully carry out the embedding operation of dovetail 201, when taking in, can reduce vibration towards seat body 11.
Claims (3)
1, a kind of dovetail tenon structure, this dovetail tenon structure rotates seat body, the vehicle of slip and lifting is with in the jacking system, when making the described seat body return mechanism body that moves to away from the position, to form bevelled dovetail is embedded in the dovetail female, can contain described seat body rocking with respect to described device body, it is characterized in that, described dovetail comprises introduction part that constitutes front and the maintaining part that constitutes base end side, the taper value of described dovetail on the maintaining part of introduction part that constitutes front and formation base end side is set at different, and the taper value on the described introduction part is set for bigger than the taper value on the described maintaining part simultaneously.
2, dovetail tenon structure according to claim 1 is characterized in that, described taper value changes continuously from described introduction part to described maintaining part.
3, dovetail tenon structure according to claim 1 and 2 is characterized in that, the awl line of centers of described introduction part is roughly consistent with the work track of this dovetail, and the awl line of centers of described maintaining part is set the input direction approximate vertical with external force for.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-090121 | 2007-03-30 | ||
| JP2007090121A JP2008247161A (en) | 2007-03-30 | 2007-03-30 | Dovetail structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101274603A true CN101274603A (en) | 2008-10-01 |
| CN101274603B CN101274603B (en) | 2011-12-28 |
Family
ID=39972627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100875328A Active CN101274603B (en) | 2007-03-30 | 2008-03-25 | Dovetail tenon structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008247161A (en) |
| CN (1) | CN101274603B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2271293A (en) * | 1992-10-12 | 1994-04-13 | Sam Yin | Appliance for indoor gymnastics |
| DE4410131C2 (en) * | 1993-05-13 | 1995-04-20 | Kusch Co Sitzmoebel | Cross frame made of wood for seating and tables |
| GB2284545A (en) * | 1993-12-09 | 1995-06-14 | Kuo Hung Chou | Air-cooled cushion |
-
2007
- 2007-03-30 JP JP2007090121A patent/JP2008247161A/en active Pending
-
2008
- 2008-03-25 CN CN2008100875328A patent/CN101274603B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008247161A (en) | 2008-10-16 |
| CN101274603B (en) | 2011-12-28 |
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