CN101264612B

CN101264612B - Foldable sawhorse

Info

Publication number: CN101264612B
Application number: CN2008100237026A
Authority: CN
Inventors: 曹志祥; 平小龙
Original assignee: XINDADI HANDWARE PRODUCT CO Ltd SUZHOU
Current assignee: XINDADI HANDWARE PRODUCT CO Ltd SUZHOU
Priority date: 2008-04-16
Filing date: 2008-04-16
Publication date: 2010-10-27
Anticipated expiration: 2028-04-16
Also published as: CN101264612A

Abstract

The invention discloses a foldable saw horse, comprising a body and a plurality of frame legs; wherein, the upper ends of the frame legs are fixed with the body; the body is provided with a recipient part; the frame legs are pivoted with the body and locked by a locking device; the frame legs can be unlocked, unfolded and held in the recipient part. The frame legs can be unfolded and poisoned in the recipient part of the saw horse body; the saw horse body can be unfolded; the whole saw horse can be shrank and unfolded to small shape. The frame legs of the foldable saw horse can be expanded, which is convenient for user to regulate the height according to body height or hand pressing and treading to the timber; the sawmilling operation is more convenient. The foldable saw horse has the advantages of simple and easy operation of unfolding and retracting, convenient use, collection and carrying for user and higher productivity.

Description

Foldable sawhorse

Technical field

The present invention relates to a kind of Foldable sawhorse.

Background technology

Need use the sawing instrument during timber cutting processing, and add man-hour on a small quantity, generally all be to use the hand saws or the power saws of hand-held.During the sawmilling material, generally use support as auxiliary by hand, people rest timber on the support, push down with hand or pin, and then sawing timber, to improve the efficient and the precision of sawing.And common sawmilling support volume is big, heavy, be inconvenient to carry, move when carrying out timber work at needs, such sawmilling support has just become burden.

Summary of the invention

The object of the invention provides a kind of Foldable sawhorse, its not only the frame leg have flexible, folding and put multiple function, the sawhorse main body also can fold, make whole sawhorse not only can regulate height, but also can when not using, shrink and be folded into very little shape, it is folding simultaneously, retractable operation is simple, is user-friendly to, collects and carry.

Technical scheme of the present invention is: a kind of Foldable sawhorse, comprise the frame leg that main body and upper end and main body are fixing, described main body is provided with holding part, and described leg and main body articulate and by the locking device locking, described leg can unlock and the folding holding part that is accommodated in.

The further technical scheme of the present invention is: a kind of Foldable sawhorse, comprise the frame leg that main body and upper end and main body are fixing, described main body is provided with holding part, and described leg and main body articulate and by the locking device locking, described leg can unlock and the folding holding part that is accommodated in; Described main body comprises at least two main body branches, and is hinged and the braking latch mechanism is set with the expansion of control adjacent body branch with amount at the position that links to each other by hinge means between the described adjacent body branch; Described main body branch includes two, described two main body branch opposing end faces correspondences are provided with draw-in groove, described braking latch mechanism comprises torsion spring and is provided with the braking lock of fastening part and press section, described braking lock and torsion spring are fixed in the main body branch, and described fastening part is buckled in the draw-in groove two main body branches of restriction under the twisting force of torsion spring folding; Described leg comprises bassoon of extension leg and the telescopic extension leg that extends in the leg bassoon that is set in that is connected with main body, the bassoon of described extension leg is distributed with some pintle hook locks portion on short transverse, regulate bayonet unit but described extension leg is provided with the height of snap fit in pintle hook lock portion.

The more detailed technical scheme of the present invention is: a kind of Foldable sawhorse, comprise the frame leg that main body and upper end and main body are fixing, described main body is provided with holding part, and described leg and main body articulate and by the locking device locking, described leg can unlock and the folding holding part that is accommodated in; Described main body comprises at least two main body branches, and is hinged and the braking latch mechanism is set with the expansion of control adjacent body branch with amount at the position that links to each other by hinge means between the described adjacent body branch; Described main body branch includes two, described two main body branch opposing end faces correspondences are provided with draw-in groove, described braking latch mechanism comprises torsion spring and is provided with the braking lock of fastening part and press section, described braking lock and torsion spring are fixed in the main body branch, and described fastening part is buckled in the draw-in groove two main body branches of restriction under the twisting force of torsion spring folding; Described leg comprises bassoon of extension leg and the telescopic extension leg that extends in the leg bassoon that is set in that is connected with main body, the bassoon of described extension leg is distributed with some pintle hook locks portion on short transverse, regulate bayonet unit but described extension leg is provided with the height of snap fit in pintle hook lock portion; Described main body is an isosceles trapezoid long column body structure, its trapezoidal bottom surface down and be the empty described holding part that forms, the inboard two ends of described main body holding part are provided with the frame leg support are installed, it is interior and fixing with the central plane pivot joint that support and trapezoidal this side of main body are installed to place installation to support on the described extension leg bassoon, described locking device comprises the spring detent that extends the installation of leg bassoon upper end, correspondence is provided with lock hole on the central plane of the trapezoidal cylinder of described main body, and described spring detent latches under the elastic force effect in the lock hole so that the locking of frame leg; Described lock hole comprises two up and down; Described pintle hook lock portion is for being distributed on a card discharging mouth that extends in the leg bassoon on the short transverse, described extension leg comprises extension leg tubule, extends the caulked of leg tubule upper end and the leg plug that extends leg tubule lower end, described bayonet unit is located on the caulked, also is provided with the control and regulation mechanism of control card buckle device level advance and retreat in the described extension leg tubule; Described bayonet unit comprises bullet pin and spring, and described bullet pin outer end is provided with the snap projection that can fall in the bayonet socket, and described spring places and makes between bullet pin and the caulked that snap projection is outstanding and be snapped in outside the bayonet socket; Shallow outer dark inclined plane groove in described bullet pin below is provided with, described control and regulation mechanism comprises adjusted piece and following regulating block, described adjusted piece upper end is provided with the inclined surface that contacts with the inclined plane groove of bullet pin, described inclined-plane can slide in inclined plane groove, described adjusted piece side also is provided with the restriction slotted hole on the short transverse, be fixed with the bearing pin that is horizontally through the restriction slotted hole on the described caulked, described regulating block below is supported and is provided with brake block, be fixedly connected with adjusting rod between described brake block and the following regulating block, described leg plug comprises foreleg plug and back leg plug, be provided with the ccontaining groove of regulating block down between described foreleg plug and the back leg plug, described groove top has the hole that passes for adjusting rod, also be provided with the compression spring between described upper end of regulating block down and the groove, also be provided with button in following regulating block both sides between described foreleg plug and the back leg plug, contact-making surface between described button and the following regulating block is an inclined surface, and described button is pressed the back and made that regulating block moves upward down; Described main body two ends respectively are provided with handle, and described handle is provided with the handle square groove that opening makes progress.The main body branch outer end at two ends respectively is provided with handle; Described handle is provided with the handle square groove that opening makes progress; The handle adjacent at two ends, the folding back of described main body is respectively equipped with the latch hook and the snap close of fastener mutually.

Advantage of the present invention is:

1. frame leg of the present invention can stretch, and makes things convenient for the user to regulate height according to oneself height or needs such as hand, foot-operated timber, makes the sawmilling operation convenient, smoothly, increases work efficiency.

2. frame leg of the present invention can fold in the holding part of inserting the sawhorse main body, itself also can fold the sawhorse main body, make whole sawhorse to shrink and be folded into very little shape, it is folding simultaneously, retractable operation is simple, is user-friendly to, collects and carry.

3. sawhorse main body of the present invention two ends also are provided with the handle that is fit to hold, and are mobile, easy to carry.

Description of drawings

Fig. 1 is a deployed configuration schematic diagram of the present invention;

Fig. 2 is a folded state schematic diagram of the present invention;

Fig. 3 is a blast structural representation of the present invention;

Fig. 4 is the structural representation of main body of the present invention;

Fig. 5 brakes the structural representation of latch mechanism for the present invention;

Fig. 6 is the structural representation of locking device of the present invention;

Fig. 7 extends leg internal structure exploded perspective view for the present invention;

Fig. 8 extends leg internal structure assembling schematic diagram for the present invention.

Wherein: 1 main body; 11 legs are installed and are supported; 12 lock holes; 13 top plastic materials; 2 legs; 3 holding parts; 4 main body branches; 41 draw-in grooves; 5 hinge means; 6 extend the leg bassoon; 61 pintle hook lock portions; 62 spring detents; 620 lock pins; 621 springs; 622E type spring; 63 welded tubes; 7 extend leg; 71 bayonet units; 710 bullet pins; 7101 snap projection; 7102 inclined plane grooves; 711 springs; 72 tubules of stretching one's legs; 73 caulkeds; 730 bearing pins; 74 control and regulation mechanisms; 740 adjusted pieces; 7401 restriction slotted holes; 741 brake block; 742 times regulating blocks; 743 adjusting rods; 744 compression springs; 745 horizontal adjusting plugs; 75 leg plugs; 750 foreleg plugs; 751 back leg plugs; 752 buttons; 8 handles; 81 latch hooks; 82 snap closes; 83 handle square grooves; 9 braking latch mechanisms; 91 braking locks; 910 fastening parts; 911 press sections; 92 torsion springs.

The specific embodiment

Below in conjunction with drawings and Examples the present invention is further described:

Embodiment: extremely shown in Figure 8 as Fig. 1, a kind of Foldable sawhorse comprises the frame leg 2 that main body 1 and upper end and main body 1 are fixed, and described main body 1 is provided with holding part 3, described leg 2 articulates and locks by locking device with main body 1, and described leg 2 can unlock and the folding holding part 3 that is accommodated in.Described main body 1 comprises two main body branches 4, and is hinged and braking latch mechanism 9 is set with the expansion of control adjacent body branch 4 with amount at the position that links to each other by hinge means 5 between the described adjacent body branch 4.Described two main body branches 4 opposing end faces correspondences are provided with draw-in groove 41, described braking latch mechanism 9 comprises torsion spring 92 and is provided with the braking lock 91 of fastening part 910 and press section 911, described braking lock 91 and torsion spring 92 are by bolt and fixed by nut therein in main body branch 4, when two main body branches 4 launch, described fastening part 910 is buckled under the twisting force of torsion spring 92 that to fix two main body branches 4 in the draw-in groove 41 folding to prevent it, when needs are folding, then press press section 911 with hand, make fastening part 910 from draw-in groove 41, leave, removed the restriction between two main body branches 4, made it and to fold.

Main body branch 4 outer ends at two ends respectively are provided with handle 8; Described handle 8 is provided with the handle square groove 83 that opening makes progress; Handle 8 adjacents at two ends, described main body 1 folding back are respectively equipped with the latch hook 81 and the snap close 82 of fastener mutually.Handle square groove 83 can be used for the batten of blocking standard and cut, and makes user's the laborsaving convenience of cutting operation, has saved the cost that is equipped with holder to sawhorse separately simultaneously.Can be fastened after sawhorse folds, prevent that it from automatically launching and cause and guide and support trouble, the user just can move, carry sawhorse with portable handle 8, makes things convenient for, attractive in appearance.

Described leg 2 comprises bassoon 6 of extension leg and the telescopic extension leg 7 that extends in the leg bassoon 6 that is set in that is connected with main body 1, described extension leg bassoon 6 is distributed with some pintle hook locks portion 61 on short transverse, regulate bayonet unit 71 but described extension leg 7 is provided with the height of snap fit in pintle hook lock portion 61.Extending leg 7 can be in that to extend 6 li of leg bassoons flexible and fasten in the positional lock of needs, thereby the height of realizing sawhorse is regulated.

Described main body 1 is an isosceles trapezoid long column body structure, on its trapezoidal upper bottom surface top plastic material 13 can be set, its trapezoidal bottom surface down and be the empty described holding part 3 that forms, described main body 1 holding part 3 inboard two ends are provided with the installation of frame leg and support 11, and described extension leg bassoon 6 upper ends place installation to support in 11 and by the screw-nut pivot joint and are fixed on the central plane that support 11 and main body 1 trapezoidal this side are installed.Described locking device and the above-mentioned articulated section certain position that staggers, locking device comprises the spring detent 62 that extends the installation of leg bassoon 6 upper ends, described extension leg bassoon 6 upper ends are welded with welded tube 63, described spring detent 62 comprises lock pin 620, be set in the spring 621 on the lock pin 620 and be fastened on the E type jump ring 622 of lock pin 620 afterbodys, as shown in Figure 6, described E type jump ring 622 is positioned at outside the welded tube 63, and described lock pin 620 heads are positioned at the other end outside of welded tube 63.Correspondence is provided with lock hole 12 on the central plane of described main body 1 trapezoidal cylinder, and described lock hole 12 comprises two up and down; When frame leg 2 was amounted to, spring detent 62 was locked in the lock hole 12 fixing; Frame leg 2 launches fixedly, and rear spring lock pin 62 is locked in the lock hole 12 of below: when launching sawhorse frame leg 2, with spring detent 62 from last lock hole 12 by going out, frame leg 2 around lock pin 620 heads that screw is switched to spring detent 62 to last standard under during lock hole 12, under the effect of spring 621, lock pin 620 heads fall into down in the lock hole 12, make that frame leg 2 is fixing; When needs folding stand leg 2, with hand with lock pin 620 heads by going out down outside the lock hole 12, lock pin 620 heads that frame leg 2 rotates to spring detent 62 are on the last standard during lock hole 12, under the effect of spring 621, lock pin 620 heads fall in the lock hole 12, just can fix and receive the frame leg of folding 2.

Described pintle hook lock portion 61 is for being distributed on a card discharging mouth that extends in the leg bassoon 6 on the short transverse, described extension leg 7 comprises extension leg tubule 72, extend the caulked 73 of leg tubule 72 upper ends and the leg plug 75 that extends leg tubule 72 lower ends, described bayonet unit 71 is located in the transverse groove on the caulked 73, described bayonet unit 71 comprises bullet pin 710 and spring 711, described bullet pin 710 outer ends are provided with the snap projection 7101 that can fall in the bayonet socket, described spring 711 places and makes between bullet pin 710 and the horizontal cell wall of caulked that snap projection 7101 is outstanding and are snapped in outside the bayonet socket, makes that extending leg tubule 7 fixes at the position of needs snap close.

Also be provided with the control and regulation mechanism 74 of control card buckle device 71 levels advance and retreat in the described extension leg tubule 72.Shallow outer dark inclined plane groove 7102 in described bullet pin 710 belows are provided with, described control and regulation mechanism 74 comprises adjusted piece 740 and following regulating block 742, upwards insert in the vertical core on the caulked 73 described adjusted piece 740 upper ends, described vertical core communicates with transverse groove on the caulked, adjusted piece 740 upper ends are provided with the inclined surface that contacts with the inclined plane groove 7102 of bullet pin 710, described inclined-plane can slide in inclined plane groove 7102, described adjusted piece 740 sides also are provided with the restriction slotted hole 7401 on the short transverse, be fixed with the bearing pin 730 that is horizontally through restriction slotted hole 7401 on the described caulked 73, described regulating block 740 belows are supported and are provided with brake block 741, be fixedly connected with adjusting rod 743 between described brake block 741 and the following regulating block 742, described adjusting rod lower end also is provided with horizontal adjusting plug 745, described leg plug 75 comprises foreleg plug 750 and back leg plug 751, be provided with the ccontaining groove of regulating block 742 down between described foreleg plug 750 and the back leg plug 751, described groove top has the hole that passes for adjusting rod 743, also be provided with compression spring 744 between described regulating block 742 upper ends down and the groove, also be provided with button 752 in following regulating block 742 both sides between described foreleg plug 750 and the back leg plug 751, contact-making surface between described button 752 and the following regulating block 742 is an inclined surface, and described button 752 is pressed the back and made that regulating block 742 moves upward down.When needs adjusting bracket leg 2 height, utilize the skewback braking principle, the user inwardly presses the button 752 on leg plug 75 surfaces with hand, because the contact-making surface between button 752 and the following regulating block 742 is an inclined surface, so under inclined-plane pressure effect, following regulating block 742 can resist compression spring 744 and move upward, this moves through adjusting rod 743 and brake block 741 passes to adjusted piece 740, the restriction slotted hole 7401 of adjusted piece 740 moves upward with respect to bearing pin 730, and the contact-making surface between adjusted piece 740 and the bullet pin 710 also is the inclined-plane, bullet pin 710 inside indentations when therefore adjusted piece 740 moves upward, and then make the snap projection 7101 inside motions of bullet pin 710 outer ends leave bayonet socket, extending leg 7 just can move up and down in extending leg bassoon 6, when extension leg 7 is adjusted to the height of user's needs, the user decontrols button 752, the top power of 740 pairs of bullet pins 710 of adjusted piece disappears, bullet pin 710 has the trend of outside motion under the effect of spring 711, snap projection 7101 falls into and makes securing elongated leg 7 fix in the corresponding bayonet socket.

Frame leg of the present invention can stretch, and makes things convenient for the user to regulate height according to oneself height or needs such as hand, foot-operated timber, makes the sawmilling operation convenient, smoothly, increases work efficiency; Frame leg of the present invention can fold in the holding part of inserting the sawhorse main body, itself also can fold the sawhorse main body, make whole sawhorse to shrink and be folded into very little shape, it is folding simultaneously, retractable operation is simple, is user-friendly to, collects and carry.

Claims

1. Foldable sawhorse, comprise the frame leg (2) that main body (1) and upper end and main body (1) are fixing, it is characterized in that: described main body (1) is provided with holding part (3), described leg (2) articulates with main body (1) and by the locking device locking, described leg (2) can unlock and the folding holding part (3) that is accommodated in; Described main body (1) comprises at least two main body branches (4), and is hinged and braking latch mechanism (9) is set with the expansion of control adjacent body branch (4) with amount at the position that links to each other by hinge means (5) between the described adjacent body branch (4).

2. Foldable sawhorse according to claim 1, it is characterized in that: described main body branch (4) includes two, described two main body branches (4) opposing end faces correspondence is provided with draw-in groove (41), described braking latch mechanism (9) comprises torsion spring (92) and is provided with fastening part (910) and the braking of press section (911) lock (91), described braking lock (91) and torsion spring (92) are fixed in the main body branch (4), and described fastening part (910) is buckled under the twisting force of torsion spring (92) and limits two main body branches (4) draw-in groove (41) in and fold.

3. Foldable sawhorse according to claim 1, it is characterized in that: described leg (2) comprises extension leg bassoon (6) and the telescopic extension leg (7) that extends in the leg bassoon (6) that is set in that is connected with main body (1), described extension leg bassoon (6) is distributed with some pintle hook lock portions (61) on short transverse, described extension leg (7) but be provided with the height of snap fit in pintle hook lock portion (61) and regulate bayonet unit (71).

4. Foldable sawhorse according to claim 3, it is characterized in that: described main body (1) is isosceles trapezoid long column body structure, its trapezoidal bottom surface down and be the empty described holding part (3) that forms, the inboard two ends of described main body (1) holding part (3) are provided with the frame leg support (11) are installed, it is interior and fixing with the central plane pivot joint that support (11) and trapezoidal this side of main body (1) are installed to place installation to support (11) on the described extension leg bassoon (6), described locking device comprises the spring detent (62) that extends the installation of leg bassoon (6) upper end, correspondence is provided with lock hole (12) on the central plane of the trapezoidal cylinder of described main body (1), and described spring detent (62) latches under the elastic force effect in the lock hole (12) so that frame leg (2) locking; Described lock hole (12) comprises two up and down.

5. Foldable sawhorse according to claim 3, it is characterized in that: described pintle hook lock portion (61) is for being distributed on a card discharging mouth that extends in the leg bassoon (6) on the short transverse, described extension leg (7) comprises caulked (73) that extends leg tubule (72), extension leg tubule (72) upper end and the leg plug (75) that extends leg tubule (72) lower end, described bayonet unit (71) is located on the caulked (73), also is provided with the control and regulation mechanism (74) of control card buckle device (71) level advance and retreat in the described extension leg tubule (72).

6. Foldable sawhorse according to claim 5, it is characterized in that: described bayonet unit (71) comprises bullet pin (710) and spring (711), described bullet pin (710) outer end is provided with the snap projection (7101) that can fall in the bayonet socket, and described spring (711) places and makes between bullet pin (710) and the caulked that snap projection (7101) is outstanding and be snapped in outside the bayonet socket; Shallow outer dark inclined plane groove (7102) in described bullet pin (710) below is provided with, described control and regulation mechanisms (74) comprise adjusted piece (740) and following regulating block (742), described adjusted piece (740) upper end is provided with the inclined surface that contacts with the inclined plane groove (7102) of bullet pin (710), described inclined-plane can slide in inclined plane groove (7102), described adjusted piece (740) side also is provided with the restriction slotted hole (7401) on the short transverse, be fixed with the bearing pin (730) that is horizontally through restriction slotted hole (7401) on the described caulked (73), described regulating block (740) below is supported and is provided with brake block (741), be fixedly connected with adjusting rod (743) between described brake block (741) and the following regulating block (742), described leg plug (75) comprises foreleg plug (750) and back leg plug (751), be provided with the ccontaining groove of regulating block (742) down between described foreleg plug (750) and the back leg plug (751), described groove top has the hole that passes for adjusting rod (743), also be provided with compression spring (744) between described upper end of regulating block (742) down and the groove, also be provided with button (752) in following regulating block (742) both sides between described foreleg plug (750) and the back leg plug (751), contact-making surface between described button (752) and the following regulating block (742) is an inclined surface, and described button (752) is pressed the back and made that regulating block (742) moves upward down.

7. Foldable sawhorse according to claim 1 is characterized in that: described main body (1) two ends respectively are provided with handle (8), and described handle (8) is provided with the handle square groove (83) that opening makes progress.

8. Foldable sawhorse according to claim 1 is characterized in that: main body branch (4) outer end at two ends respectively is provided with handle (8); Described handle (8) is provided with the handle square groove (83) that opening makes progress; Handle (8) adjacent at two ends, the folding back of described main body (1) is respectively equipped with latch hook of fastener (81) and snap close (82) mutually.