CN105105553A - Chair leg structure of portable field operation table and chair - Google Patents
Chair leg structure of portable field operation table and chair Download PDFInfo
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- CN105105553A CN105105553A CN201510599252.5A CN201510599252A CN105105553A CN 105105553 A CN105105553 A CN 105105553A CN 201510599252 A CN201510599252 A CN 201510599252A CN 105105553 A CN105105553 A CN 105105553A
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- groove
- leg structure
- chair leg
- elastic
- chair
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- Combinations Of Kitchen Furniture (AREA)
Abstract
The invention discloses a chair leg structure of a portable field operation table and chair. The chair leg structure comprises a chair leg, a movable leg and an elastic jump spring, wherein the movable leg and the chair leg are connected through a buckling device; the buckling device comprises a fixed block and a movable block which are detachably connected; the fixed block is provided with a positioning groove; the movable block is provided with a positioning table which can be contained in the positioning groove so that the movable block can be positioned; a fixing rod of the elastic jump spring is fixed to the positioning table, the elastic jump spring is further provided with a pair of elastic rods, the front ends of the pair of elastic rods abut against the upper wall of the positioning groove, and the positioning table does not deviate in the positioning groove through the elastic jump spring. The chair leg structure is simple and firm in connection; the chair leg structure is convenient to connect during use and is firm after connection; the chair leg structure does not deviate during use, can meet requirements of normal work of combat instruments and can adapt to use in various bumpy areas.
Description
Technical field
The present invention relates to Portable field army tables and chairs, be specifically related to a kind of chair leg structure of Portable field army tables and chairs.
Background technology
Chinese patent CN201310359624.8 discloses a kind of Portable field army tables and chairs, comprise table, seat support, connect the linkage of table and seat support and support the Foldable chair frame of four seat supports respectively, it is characterized in that: described two pieces of tables are connected by articulate, depressed part is had bottom described table, depressed part is formed and is used for receiving seat support, linkage, the accommodating groove of Foldable chair frame, described linkage comprises two thin bars, one piece of contiguous block, two side levers and a front bar, described thin bar one end is connected with bottom table by hinge, the other end is connected with contiguous block by hinge, described side lever is connected with seat support by hinge one end, the other end is connected with bottom table, described front bar one end is connected with seat support by hinge, other end contiguous block connects, described side lever abuts against contiguous block both sides, described contiguous block wherein one side both sides edge be provided with the groove coordinated with thin bar, the groove coordinated with front bar is provided with in the middle of described contiguous block another side, described Foldable chair frame comprises back-up block, near two chair pin and the support bar be connected with back-up block by hinge of back-up block, described two chair pin are flexibly connected with the both sides of back-up block by hinge, the groove coordinated with support bar is provided with in the middle of described back-up block, in order to prevent the appearance of slip event, improve the safety of tables and chairs, anti-skidding rubber bumper is provided with in the bottom of chair pin.
But the rubber bumper that existing chair foot bottom is arranged easily weares and teares, and easily comes off, and rubber bumper has elasticity, cause chair pin unstable, cause the operation instrument cisco unity malfunction be placed on table, when flat region, outside especially out of office uses, the stability of chair pin seems very important.
Therefore be badly in need of a kind of easy to connect, firm after connecting, do not produce skew when using, meet that operation instrument normally works and the chair leg structure of the Portable field army tables and chairs in various uneven region can be adapted to.
Summary of the invention
The present invention is directed to the problems referred to above, the chair leg structure of Portable field army tables and chairs that a kind of structure is simple, be connected firmly is provided, easy to connect when this chair leg structure uses, firm after connecting, do not produce skew, the normal need of work of operation instrument can be met and the use in various uneven region can be adapted to when using.
The present invention's adopted technical scheme that solves the problem is:
A chair leg structure for Portable field army tables and chairs, wherein, comprising: chair pin; Movable leg, described movable leg and chair pin are linked together by buckling device, described buckling device comprises the fixed block and movable block that removably link together, described fixed block has locating slot, described movable block has positioning table, described positioning table can be contained in locating slot, and movable block is located; Elastic circlip, the fixed bar of described elastic circlip is fixed on positioning table, and described elastic circlip also has a pair elastic rod, and the upper wall at locating slot is all kept out in the front end of described a pair elastic rod, and described elastic circlip makes positioning table not deflection in locating slot.
Further, the upper wall of described locating slot has a pair draw-in groove, and the front end of described a pair elastic rod all has elastic card mouth, and described elastic card mouth is kept out in draw-in groove.
Further, described elastic card mouth has card mouth flange, and described draw-in groove has bottom land, and described card mouth flange is kept out at bottom land.
Further, described fixed block also has a pair cutting ferrule, and described movable block also has a pair Kato, and described Kato can be fixedly mounted in cutting ferrule.
Further, the inwall both sides of described cutting ferrule all have groove, and the outer wall both sides of described Kato all have boss, described boss and fit depressions.
Further, described elastic card mouth also has Ka Zui inner edge, and the minimum profile curvature radius of described Ka Zui inner edge is 10mm ~ 15mm.
Further, described draw-in groove also has groove top and groove is following, and described groove top, bottom land and groove are connected in turn below.
Further, described groove top and the following angle of groove are 60 ° ~ 80 °.
Further, described groove top and the following angle of groove are preferably 75 °.
Advantage of the present invention is:
1. in the present invention, overall structural design is comparatively light and handy, locating slot and positioning table location fit, a pair cutting ferrule and a pair Kato cooperatively interact and locate, the design that this multiple bearing coordinates, counterpart is made to be located by connecting reliably, in addition, the fixed bar of elastic circlip is fixed on positioning table, the upper wall at locating slot is all kept out in the front end of a pair elastic rod, due to the elastic force effect of elastic circlip, make positioning table stress equalization in locating slot, positioning table is made not produce catching phenomenon in locating slot, thus make positioning table not deflection in locating slot, be when uneven region is placed, this structure also can not produce deflection because of the inclination of tables and chairs, install elastic circlip additional, both cost was saved, also convenient installation, the elastic force of elastic circlip plays the effect correcting deflection simultaneously,
2., in the present invention, because card mouth flange is kept out in bottom land, and also keep out mutually below with groove top and groove, thus engaging closely, stress equalization, can not produce the deflection of power, in addition, groove top and the following angle of groove are 60 ° ~ 80 °, make two elastic card mouth stress balances, and engaging is more reliable, so make locating slot and positioning table location fit closer, a pair cutting ferrule coordinates closely with a pair Kato, makes stability of the present invention better;
3. in the present invention, boss and fit depressions, and then it is more firm that fixed block and movable block are fixed.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
Forming the part of this description, showing the preferred embodiments of the present invention for understanding accompanying drawing of the present invention further, and be used for principle of the present invention is described together with description.In the accompanying drawings:
Fig. 1 is perspective view of the present invention;
Fig. 2 is expansion schematic diagram of the present invention;
Fig. 3 is the structural representation of chair pin of the present invention;
Fig. 4 is the structural representation of movable block of the present invention
Fig. 5 is the structural representation of elastic circlip of the present invention; And
Fig. 6 is draw-in groove partial schematic diagram of the present invention.
Wherein, be labeled as in figure:
1 be chair pin, 11 be cutting ferrule, 12 be locating slot, 13 be groove, 14 for draw-in groove, 14a be bottom land, 14b is groove top, 14c be groove below, 2 be rotating shaft, 3 be movable leg, 4 be movable block, 41 be positioning table, 42 be boss, 43 be Kato, 5 be leg, 6 be elastic circlip, 61 be elastic card mouth, 61a is card mouth flange, 61b be Ka Zui inner edge, 62 is fixed bar, 63 be elastic rod, 63a is elastic rod inner edge.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Embodiment one
Referring to figs. 1 to Fig. 6, the chair leg structure of a kind of Portable field army tables and chairs as shown in Figure 1, wherein, comprises chair pin 1 and movable leg 3.
As shown in Figure 2, movable leg 3 comprises the movable block 4 and leg 5 that link together, and movable block 4 is connected with chair pin 1 by rotating shaft 2, and movable block 4 comprises the elastic circlip 6 being connected to movable block 4 upper end, and elastic circlip 6 upper end contacts with chair pin 1.
Adopt rotating shaft 2 to connect movable block 4 and the design of leg 5, make this chair leg structure can adapt to rugged region of all kinds, and can steadily place.
As shown in Figure 3, chair pin 1 comprises a pair cutting ferrule 11, locating slot 12, four grooves 13 and draw-in groove 14.
As shown in Figure 4, movable block 4 also comprises positioning table 41, four boss 42 and a pair Kato 43, positioning table 41 matches with locating slot 12, boss 42 matches with groove 13, Kato 43 matches with cutting ferrule 11, what multiple cooperation was located is arranged so that buckling device connects reliably, meets the normal need of work of operation instrument.
As shown in Figure 5, elastic circlip 6 comprises a pair elastic card mouth 61, fixed bar 62 and a pair elastic rod 63, and it is inner that fixed bar 62 is fixed on positioning table 41, and elastic rod 63 comprises elastic rod inner edge 63a.
The minimum profile curvature radius of elastic rod inner edge 63a is preferably 20mm ~ 30mm, and the best is 25mm.
Elastic card mouth 61 comprises card mouth flange 61a and Ka Zui inner edge 61b, and card mouth flange 61a matches with draw-in groove 14.Because card mouth flange 61a coordinates for arc with draw-in groove 14, the stability making this chair leg structure also more robust, makes engaging tightr, and stress equalization, can not produce the deflection of power.
The minimum profile curvature radius of Ka Zui inner edge 61b is preferably 10mm ~ 15mm, and optimum is 12mm.
As shown in Figure 6, draw-in groove 14 comprises groove top 14b, the bottom land 14a and the following 14c of groove that are connected in turn.
The angle of groove top 14b and the following 14c of groove is 60 ° ~ 80 °, makes two elastic card mouth 61 stress balances, and engaging is more reliable, and then makes locating slot 12 and positioning table 41 location fit tightr.
The angle of groove top 14b and the following 14c of groove is preferably 75 °, at this moment stressed the best, and reliability is optimum.
Overall structural design is comparatively simple, this chair leg structure is manufactured also comparatively simple and convenient, and easy for removal and installation.
Embodiment two
Referring to figs. 1 to Fig. 6, the chair leg structure of a kind of Portable field army tables and chairs as shown in Figure 1, wherein, comprises chair pin 1 and movable leg 3, movable leg 3 and chair pin 1 are all containing porose, this hole can penetrate rotating shaft 2, by rotating shaft 2, movable leg 3 is rotated, and adopts rotating shaft 2 to connect the design of movable leg 3, make this chair leg structure can adapt to rugged region of all kinds, and can steadily place, easy to connect when this chair leg structure uses, firm after connecting.
As shown in Figure 2, movable leg 3 and chair pin 1 are linked together by buckling device, and buckling device comprises the fixed block and movable block 4 that removably link together, and movable leg 3 comprises leg 5, support by leg 5 and ground are tactile, this leg 5 is made up of high-abrasive material.
As shown in Figure 3, fixed block has locating slot 12, and the upper wall of locating slot 12 has a pair draw-in groove 14, and fixed block also has a pair cutting ferrule 11, and the inwall both sides of cutting ferrule 11 all have groove 13.
As shown in Figure 4, movable block 4 has positioning table 41, positioning table 41 can be contained in locating slot 12, and movable block 4 is located, movable block 4 also has a pair Kato 43, and Kato 43 can be fixedly mounted in cutting ferrule 11, the outer wall both sides of Kato 43 all have boss 42, boss 42 matches with groove 13, the design that this multiple bearing coordinates, and counterpart is located by connecting reliably.
As shown in Figure 5, also comprise an elastic circlip 6, the fixed bar 62 of elastic circlip 6 is fixed on positioning table 41, elastic circlip 6 also has a pair elastic rod 63, the upper wall at locating slot 12 is all kept out in the front end of a pair elastic rod 63, elastic circlip 6 makes positioning table 41 not deflection in locating slot 12, make positioning table 41 stress equalization in locating slot 12, positioning table 41 is made not produce catching phenomenon in locating slot 12, thus make positioning table 41 not deflection in locating slot 12, be when uneven region is placed, this structure also can not produce deflection because of the inclination of tables and chairs, install elastic circlip additional, both cost was saved, also convenient installation, the elastic force of elastic circlip 6 plays the effect correcting deflection simultaneously, elastic rod 63 comprises elastic rod inner edge 63a, the front end of a pair elastic rod 63 all has elastic card mouth 61, elastic card mouth 61 is kept out in draw-in groove 14, elastic card mouth 61 has card mouth flange 61a, card mouth flange 61a matches with draw-in groove 14, due to card mouth flange 61a with draw-in groove 14 for arc coordinates, thus engaging closely, stress equalization, the deflection of power can not be produced, the stability making this chair leg structure also more robust.
Elastic card mouth 61 also has Ka Zui inner edge 61b, and the minimum profile curvature radius of Ka Zui inner edge 61b is preferably 10mm ~ 15mm.
As shown in Figure 6, draw-in groove 14 has bottom land 14a, and described card mouth flange 61a keeps out at bottom land 14a, draw-in groove 14 also has groove top 14b and the following 14c of groove, and groove top 14b, bottom land 14a and the following 14c of groove are connected in turn, and thus engaging closely, stress equalization, can not produce the deflection of power.
The angle of groove top 14b and the following 14c of groove is 60 ° ~ 80 °, and thus closely, stress equalization, can not produce the deflection of power in engaging.
The angle of groove top 14b and the following 14c of groove is preferably 75 °.
Overall structural design is comparatively simple, has installed elastic circlip 6, movable leg 3 and buckling device additional, chair leg structure is manufactured also comparatively simple and convenient, easy to connect at normal tables and chairs chair pin place, firm after connecting, do not produce skew when using.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a chair leg structure for Portable field army tables and chairs, is characterized in that, comprising:
Chair pin (1);
Movable leg (3), described movable leg (3) and chair pin (1) are linked together by buckling device, described buckling device comprises the fixed block and movable block (4) that removably link together, described fixed block has locating slot (12), described movable block (4) has positioning table (41), described positioning table (41) can be contained in locating slot (12), and movable block (4) is located;
Elastic circlip (6), the fixed bar (62) of described elastic circlip (6) is fixed on positioning table (41), described elastic circlip (6) also has a pair elastic rod (63), the upper wall in locating slot (12) is all kept out in the front end of described a pair elastic rod (63), and described elastic circlip (6) makes positioning table (41) not deflection in locating slot (12).
2. the chair leg structure of Portable field army tables and chairs according to claim 1, it is characterized in that, the upper wall of described locating slot (12) has a pair draw-in groove (14), the front end of described a pair elastic rod (63) all has elastic card mouth (61), and described elastic card mouth (61) is kept out in draw-in groove (14).
3. the chair leg structure of Portable field army tables and chairs according to claim 2, it is characterized in that, described elastic card mouth (61) has card mouth flange (61a), described draw-in groove (14) has bottom land (14a), and described card mouth flange (61a) is kept out at bottom land (14a).
4. the chair leg structure of Portable field army tables and chairs according to claim 1, it is characterized in that, described fixed block also has a pair cutting ferrule (11), described movable block (4) also has a pair Kato (43), and described Kato (43) can be fixedly mounted in cutting ferrule (11).
5. the chair leg structure of Portable field army tables and chairs according to claim 4, it is characterized in that, the inwall both sides of described cutting ferrule (11) all have groove (13), the outer wall both sides of described Kato (43) all have boss (42), and described boss (42) matches with groove (13).
6. the chair leg structure of Portable field army tables and chairs according to claim 3, it is characterized in that, described elastic card mouth (61) also has Ka Zui inner edge (61b), and the minimum profile curvature radius of described Ka Zui inner edge (61b) is 10mm ~ 15mm.
7. the chair leg structure of Portable field army tables and chairs according to claim 3, it is characterized in that, described draw-in groove (14) also has groove top (14b) and groove following (14c), and described groove top (14b), bottom land (14a) and groove below (14c) are connected in turn.
8. the chair leg structure of Portable field army tables and chairs according to claim 7, is characterized in that, the angle of described groove top (14b) and groove following (14c) is 60 ° ~ 80 °.
9. the chair leg structure of Portable field army tables and chairs according to claim 8, is characterized in that, the angle of described groove top (14b) and groove following (14c) is 75 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510599252.5A CN105105553B (en) | 2015-09-18 | 2015-09-18 | A kind of chair leg structure of Portable field army tables and chairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510599252.5A CN105105553B (en) | 2015-09-18 | 2015-09-18 | A kind of chair leg structure of Portable field army tables and chairs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105105553A true CN105105553A (en) | 2015-12-02 |
| CN105105553B CN105105553B (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510599252.5A Active CN105105553B (en) | 2015-09-18 | 2015-09-18 | A kind of chair leg structure of Portable field army tables and chairs |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2170401Y (en) * | 1993-08-29 | 1994-06-29 | 马云辉 | Bar-shaped clamping pressure fastening clamp |
| CN1096558A (en) * | 1993-02-25 | 1994-12-21 | 弗米特里亚Pte有限公司 | Plate is fixed to apparatus and method on the building |
| JPH119386A (en) * | 1997-06-20 | 1999-01-19 | Ritsuko Nakazawa | Leg cover material for desk and chair or the like |
| US6623082B1 (en) * | 2002-05-10 | 2003-09-23 | Tsung-Chieh Huang | Ground-contacting block structure of a chair |
| US20040051365A1 (en) * | 2002-05-31 | 2004-03-18 | Rubbermaid Commercial Products Llc | Transfer bench |
| CN102894653A (en) * | 2012-09-18 | 2013-01-30 | 朱兴生 | Table or chair foot sleeve |
| CN202723133U (en) * | 2012-07-06 | 2013-02-13 | 绍兴县力锐家具制造有限公司 | Height-adjustable table foot |
-
2015
- 2015-09-18 CN CN201510599252.5A patent/CN105105553B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096558A (en) * | 1993-02-25 | 1994-12-21 | 弗米特里亚Pte有限公司 | Plate is fixed to apparatus and method on the building |
| CN2170401Y (en) * | 1993-08-29 | 1994-06-29 | 马云辉 | Bar-shaped clamping pressure fastening clamp |
| JPH119386A (en) * | 1997-06-20 | 1999-01-19 | Ritsuko Nakazawa | Leg cover material for desk and chair or the like |
| US6623082B1 (en) * | 2002-05-10 | 2003-09-23 | Tsung-Chieh Huang | Ground-contacting block structure of a chair |
| US20040051365A1 (en) * | 2002-05-31 | 2004-03-18 | Rubbermaid Commercial Products Llc | Transfer bench |
| CN202723133U (en) * | 2012-07-06 | 2013-02-13 | 绍兴县力锐家具制造有限公司 | Height-adjustable table foot |
| CN102894653A (en) * | 2012-09-18 | 2013-01-30 | 朱兴生 | Table or chair foot sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105105553B (en) | 2017-11-21 |
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Address after: 362000 Jinjiang Economic Development Zone, Fujian, China (No. five), China () Applicant after: Special equipment Co., Ltd. Address before: 362000 Jinjiang Economic Development Zone, Fujian, China (No. five), China () Applicant before: JUNPENG SPECIAL EQUIPMENT CO., LTD. |
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