Summary of the invention
The present invention is directed to the problems referred to above, provide a kind of durable in use, long service life, fastening reliably, not easily loosen, fasten easily, dismantle the bayonet unit be easy to for field operations tables and chairs.
The present invention's adopted technological scheme that solves the problem is: a kind of bayonet unit for field operations tables and chairs, wherein, comprising: a matrix, described matrix has draw-in groove, upper arm and underarm, described upper arm is positioned at the top of draw-in groove, and described underarm is positioned at the bottom of draw-in groove; One collet, described collet is fixedly installed on the inwall of draw-in groove, and described collet has chuck portion, chuck top and chuck bottom, and described chuck top is connected to the upper end of chuck portion, and described chuck bottom is connected to the lower end of chuck portion; Fastener in one, described interior fastener is fixedly connected on chuck portion, and described interior fastener has sphere, upper pillar stand and lower pillar stand, and described upper pillar stand can be kept out on chuck top, and described lower pillar stand can be kept out in chuck bottom; One buckle, described buckle has upper clamp and lower clamp, the upper clamp apical margin of described upper clamp can be kept out on the top shell fragment on chuck top, the upper tong chops of described upper clamp can be kept out on sphere, the lower clamp apical margin of described lower clamp can be kept out on the bottom shell fragment of chuck bottom, and the lower tong chops of described lower clamp can be kept out on sphere.
Further, described top shell fragment have upper withstanding grooves and on keep out face, described upper withstanding grooves is kept out on upper clamp apical margin, on described, the face of keeping out is kept out in the upper pillar stand meniscus level of upper pillar stand, described bottom shell fragment have lower withstanding grooves and under keep out face, described lower withstanding grooves is kept out on lower clamp apical margin, and under described, the face of keeping out is kept out in the lower pillar stand meniscus level of lower pillar stand.
Further, described sphere can be contained in the middle front of the slot of buckle, and the front end of described sphere is kept out on upper tong chops and lower tong chops, and the rear end of described sphere is kept out on upper clamp mouth and lower clamp mouth.
Further, described buckle also has body and is connected cambered surface with a pair, described one connect cambered surface be connected to the rear end of clamp and body above between, described another connects between cambered surface is connected to below the rear end of lower clamp and body.
Further, a described rear end connecting cambered surface can be kept out on upper arm, and the described rear end that another connects cambered surface can be kept out on underarm.
Further, also comprise upper bearing (metal) and lower bearing, described upper bearing (metal) be can be rotatably set on upper arm by upper axle, and extends in draw-in groove, and described lower bearing be can be rotatably set on underarm by lower shaft, and extends in draw-in groove.
Further, a described rear end connecting cambered surface can be kept out on upper bearing (metal), and the described rear end that another connects cambered surface can be kept out on lower bearing.
Further, the inwall of described draw-in groove has the draw-in groove upper wall, draw-in groove mesospore and the draw-in groove lower wall that are connected in turn, and described draw-in groove upper wall has several upper wall pits of being separated by, and described draw-in groove lower wall has several lower wall pits of being separated by.
Further, described chuck top has several upper protruding blocks of being separated by, and described upper protruding block can be positioned in upper wall pit.
Further, described chuck bottom has several lower protruding blocks of being separated by, and described lower protruding block can be positioned in lower wall pit.
Advantage of the present invention is:
1. be provided with collet in matrix of the present invention, collet is provided with interior fastener, after buckle fastens in the top shell fragment and bottom shell fragment of collet, upper clamp, lower clamp are clamped by sphere and top shell fragment and bottom shell fragment, simultaneously, the front end of sphere is kept out on upper tong chops and lower tong chops, the rear end of sphere is kept out on upper clamp mouth and lower clamp mouth, buckle is made to be clamped further like this, thus more firm than gripping mechanism buckle in the past, multi-level clamping like this makes the present invention durable, and longer service life;
2. in the present invention, adopt the design of bearing and cambered surface, make to fasten and take out easily, and laborsaving, play far-end spacing simultaneously, the present invention can not be rocked back and forth;
3. in the present invention, clamp and lower clamp in fastener inner support in adopting, go up clamp, clamping that lower clamp is subject to top shell fragment and bottom shell fragment respectively simultaneously, under the interaction of this inner support and outside clamping, makes the effect that clamps more well, and more firm;
4. in the present invention, under the face of keeping out keep out in lower pillar stand meniscus level, above the face of keeping out is kept out in upper pillar stand meniscus level, thus makes clamp, lower clamp not by clamping stagnation, and buckle take out time easy.
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 specification, 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 specification.In the accompanying drawings:
Fig. 1 is overall sectional view of the present invention;
Fig. 2 is the structural representation of buckle of the present invention;
Fig. 3 is the sectional view of matrix of the present invention;
Fig. 4 is the structural representation of collet of the present invention; And
Fig. 5 is the structural representation of interior fastener of the present invention.
Wherein, be labeled as in figure:
10 is buckle, 11 is upper clamp, 111 is upper clamp apical margin, 112 is upper clamp mouth, 113 is upper tong chops, 12 is lower clamp, 121 is lower clamp apical margin, 122 is lower clamp mouth, 123 is lower tong chops, 13 is middle slot, 14 for connecting cambered surface, 20 is matrix, 21 is draw-in groove, 22 is draw-in groove mesospore, 23 is draw-in groove upper wall, 231 is upper wall pit, 24 is draw-in groove lower wall, 241 is lower wall pit, 25 is upper arm, 26 is underarm, 30 is collet, 31 is chuck portion, 32 is chuck top, 321 is upper protruding block, 322 is top shell fragment, 322a is upper withstanding grooves, 322b keeps out face on being, 33 is chuck bottom, 331 is lower protruding block, 332 is bottom shell fragment, 332a is lower withstanding grooves, 332b keeps out face under being, 40 is interior fastener, 41 is sphere, 42 is upper pillar stand, 421 is upper pillar stand meniscus level, 43 is lower pillar stand, 421 is lower pillar stand meniscus level, 44 is interior fastener ear end face, 50 is upper bearing (metal), 51 is upper axle, 60 is lower bearing, 61 is lower shaft.
Embodiment
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. 5, a kind of bayonet unit for field operations tables and chairs as shown in Figure 1, wherein, comprise fastener 40, buckle 10, upper bearing (metal) 50 and lower bearing 60 in matrix 20, collet 30, described collet 30 is contained in matrix 20, the rear end of described interior fastener 40 is connected to the chuck portion 31 of collet 30, and the front end stretching collet 30 of described interior fastener 40, described buckle 10 contacts with matrix 20, collet 30 and interior fastener 40 respectively.
As shown in Figure 3, matrix 20 comprises draw-in groove 21, described draw-in groove 21 has the draw-in groove mesospore 22, draw-in groove upper wall 23 and the draw-in groove lower wall 24 that link together, collet 30 is positioned among draw-in groove 21, draw-in groove upper wall 23 comprises several upper wall pits 231, and described draw-in groove lower wall 24 comprises several lower wall pits 241.
Matrix 20 also comprises upper arm 25 and underarm 26, and upper arm 25 is positioned at matrix 20 upper end, and underarm 26 is positioned at matrix 20 lower end.
Upper bearing (metal) 50 is positioned among upper arm 25, and is connected with matrix 20 by upper axle 51, and lower bearing 60 is positioned among underarm 26, and is connected with matrix 20 by lower shaft 61.
Upper bearing (metal) 50 lower end is connected cambered surface 14 with one and contacts, and lower bearing 60 upper end is connected cambered surface 14 and contacts with another.
Adopt upper bearing (metal) 50 and lower bearing 60 respectively with the design being connected cambered surface 41 and clamping, be equivalent to limit stoper, make the buckle 10 of this bayonet unit can be better spacing, and can not rock back and forth cause bayonet unit disabler with loosening.
As shown in Figure 4, collet 30 also comprises chuck top 32 and chuck bottom 33, and chuck top 32 contacts with draw-in groove upper wall 23, and chuck portion 31 contacts with draw-in groove mesospore 22, and chuck bottom 33 contacts with draw-in groove lower wall 24.
Chuck top 32 comprises several upper protruding blocks 321, chuck bottom 33 comprises several lower protruding blocks 331, upper protruding block 321 matches with upper wall pit 231, lower protruding block 331 matches with lower wall pit 241, chuck top 32 also comprises top shell fragment 322, top shell fragment 322 comprises keeps out face 322b, and chuck bottom 33 also comprises bottom shell fragment 332, keeps out face 332b under bottom shell fragment 332 comprises.
As shown in Figure 5, interior fastener 40 comprises upper pillar stand 42, lower pillar stand 43 and interior fastener ear end face 44, and interior fastener ear end face 44 is connected with chuck portion 31, and upper pillar stand 42 contacts with chuck top 32, and lower pillar stand 43 contacts with chuck bottom 33.
Upper pillar stand 42 comprises upper pillar stand meniscus level 421, lower pillar stand 43 comprises lower pillar stand meniscus level 431, on keep out face 322b and match with upper pillar stand meniscus level 421, under keep out face 332b and match with lower pillar stand meniscus level 431, interior fastener 40 also comprises sphere 41, and sphere 41 is positioned among middle slot 13, upper pillar stand 42 and lower pillar stand 43 respectively with above keep out face 322b and under keep out the design that face 332b matches, make this bayonet unit more not fragile, can have and better clamp effect.
As shown in Figure 2, buckle 10 comprises clamp 11, lower clamp 12, middle slot 13 are connected cambered surface 14 with a pair, upper clamp 11 and lower clamp 12 are connected cambered surface 14 respectively and are connected with a pair, upper clamp about 11 two ends contact with top shell fragment 322 and sphere 41 respectively, lower clamp about 12 two ends contact with bottom shell fragment 332 and sphere 41 respectively, and above-mentioned multiple-clamping makes the present invention clamp better effects if than prior art.
Upper clamp 11 comprises clamp apical margin 111, upper clamp mouth 112 and upper tong chops 113, lower clamp 12 comprises lower clamp apical margin 121, lower clamp mouth 122 and lower tong chops 123, top shell fragment 322 also comprises withstanding grooves 322a, bottom shell fragment 332 also comprises lower withstanding grooves 332a, upper withstanding grooves 322a matches with upper clamp apical margin 111, lower withstanding grooves 332a matches with lower clamp apical margin 121, upper clamp mouth 112 and upper tong chops 113 all contact with sphere 41, and lower clamp mouth 122 and lower tong chops 123 all contact with sphere 41.Adopt sphere 41 to cooperatively interact respectively to clamp with upper clamp 11 and lower clamp 12, make the better effects if clamped, and more firm, and after buckle 10 clamps, difficult drop-off, also can not cause clamping to lose efficacy because of the distortion of clamp.This bayonet unit is more more durable than prior art, and has longer working life.
Embodiment two
Referring to figs. 1 to Fig. 5, a kind of bayonet unit for field operations tables and chairs as shown in Figure 1, wherein, comprise fastener 40 and a buckle 10 in matrix 20, collet 30, such multiple-clamping structure, clamping effect better than prior art, and durable in use, fasten reliably, not easily loosen, therefore longer service life.
As shown in Figure 3, matrix 20 has draw-in groove 21, upper arm 25 and underarm 26, and upper arm 25 is positioned at the top of draw-in groove 21, and underarm 26 is positioned at the bottom of draw-in groove 21, and collet 30 is fixedly installed on the inwall of draw-in groove 21.
As shown in Figure 4, collet 30 has chuck portion 31, chuck top 32 and chuck bottom 33, and chuck top 32 is connected to the upper end of chuck portion 31, and chuck bottom 33 is connected to the lower end of chuck portion 31, and interior fastener 40 is fixedly connected on chuck portion 31.
As shown in Figure 5, interior fastener 40 has sphere 41, upper pillar stand 42, lower pillar stand 43 and interior fastener ear end face 44, upper pillar stand 42 can be kept out on chuck top 32, lower pillar stand 43 can be kept out in chuck bottom 33, the present invention is made not produce stuck, catching phenomenon like this, and making dismounting easily, interior fastener ear end face 44 is fixedly connected on chuck portion 31.
As shown in Figure 2, buckle 10 has upper clamp 11 and lower clamp 12, the upper clamp apical margin 111 of upper clamp 11 can be kept out on the top shell fragment 322 on chuck top 32, the upper tong chops 113 of upper clamp 11 can be kept out on sphere 41, the lower clamp apical margin 121 of lower clamp 12 can be kept out on the bottom shell fragment 332 of chuck bottom 33, the lower tong chops 123 of lower clamp 12 can be kept out on sphere 41, such inner support and outer clamping arrangement, the present invention is fastened firm, not easily loosen, such Multilayer clamping mode makes the present invention durable in use, and longer service life.
Sphere 41 is adopted to cooperatively interact respectively to clamp with upper clamp 11 and lower clamp 12, make the effect of clamping more firm, after buckle 10 clamps, also the present invention's more difficult drop-off is made, and the elastic part that upper clamp 11 and lower clamp 12 forms also can not cause being out of shape more, also this failure of apparatus can not be made because of the distortion of upper clamp 11 and lower clamp 12.This device, more more durable than gripping mechanism in the past, and have longer working life.
Top shell fragment 322 have upper withstanding grooves 322a and on keep out face 322b, upper withstanding grooves 322a keeps out on upper clamp apical margin 111, surface of contact is increased, clamp more reliable, on keep out face 322b and keep out in the upper pillar stand meniscus level 421 of upper pillar stand 42, make this device chucking power appropriateness, stuck and clamping stagnation can not be produced, thus dismantle more convenient, bottom shell fragment 332 have lower withstanding grooves 332a and under keep out face 332b, lower withstanding grooves 332a keeps out on lower clamp apical margin 121, surface of contact is increased, clamp more reliable, under keep out face 332b and keep out in the lower pillar stand meniscus level 431 of lower pillar stand 43, make this device chucking power appropriateness, stuck and clamping stagnation can not be produced, thus dismantle more convenient.
Upper pillar stand 42 and lower pillar stand 43 respectively with above keep out face 322b and under keep out the design that face 332b matches, make this device more not fragile, better using effect can be had.
Sphere 41 can be contained in middle slot 13 front end of buckle 10, and the front end of sphere 41 is kept out on upper tong chops 113 and lower tong chops 123, and the rear end of sphere 41 is kept out on upper clamp mouth 112 and lower clamp mouth 122, and such structure makes clamping more reliable.
Buckle 10 also has body and is connected cambered surface 14 with a pair, one connect cambered surface 14 be connected to the rear end of clamp 11 and body above between, another connects between cambered surface 14 is connected to below the rear end of lower clamp 12 and body.
A rear end connecting cambered surface 14 can be kept out on upper arm 25, and another rear end connecting cambered surface 14 can be kept out on underarm 26.
This device also comprises upper bearing (metal) 50 and lower bearing 60, upper bearing (metal) 50 can be rotatably set on upper arm 25 by upper axle 51, and extend in draw-in groove 21, lower bearing 60 can be rotatably set on underarm 26 by lower shaft 61, and extend in draw-in groove 21, when engaging, upper bearing (metal) 50, lower bearing 60 is beneficial to the upper clamp 11 of buckle 10 and lower clamp 12 enters in collet 30, a rear end connecting cambered surface 14 can be kept out on upper bearing (metal) 50 simultaneously, another rear end connecting cambered surface 14 can be kept out on lower bearing 60, buckle 10 is made to go deep into collet 30 inside dimension appropriateness, be unlikely to clamping stagnation and stuck.
Adopt upper bearing (metal) 50 and lower bearing 60 respectively with the design being connected cambered surface 41 and clamping, the buckle 10 of this use device can be located more accurately, makes clamping force appropriate, and can not rock back and forth, avoid causing this apparatus function to lose efficacy.
The inwall of draw-in groove 21 has the draw-in groove upper wall 23, draw-in groove mesospore 22 and the draw-in groove lower wall 24 that are connected in turn, and draw-in groove upper wall 23 has several upper wall pits 231 of being separated by, and draw-in groove lower wall 24 has several lower wall pits 241 of being separated by.Chuck top 32 has several upper protruding blocks 321 of being separated by, and upper protruding block 321 can be positioned in upper wall pit 231.Chuck bottom 33 has several lower protruding blocks 331 of being separated by, and lower protruding block 331 can be positioned in lower wall pit 241.It is firm that such structure makes collet 30 install at the inwall of draw-in groove 21, can not produce swing.
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.