Summary of the invention
Technical problem to be solved by this invention provides a kind of portable work bench with smaller size smaller.
In order to address the above problem, the invention provides a kind of portable work bench, comprising: first support unit, this first support unit has first stayed surface and first receiving space; Second support unit, this second support unit has second stayed surface; The supporting leg assembly movably is installed at least one in first support unit or second support unit; Second support unit movably is installed on first support unit; Second support unit is exercisable to be moved between the primary importance and the second place with respect to first support unit; When primary importance; Second stayed surface and first stayed surface are positioned at same plane, and when the second place, second support unit is being accommodated in first receiving space of part at least; Said first support unit has at least one the first side wall; Said second support unit has at least one second sidewall, and said the first side wall is provided with first through hole, and said second sidewall is provided with second through hole; One pivotal axis passes this first through hole and is used to be connected the first side wall and second sidewall with second through hole, and make second support unit can said relatively first support unit around said said pivot.
In disclosed portable work bench, owing to second support unit can at least partly be accommodated in first receiving space, thereby make that the portable work bench volume after folding among the present invention is littler, transportation perhaps stores more convenient.
Preferred implementation of the present invention also below several kinds:
Preferably, second support unit of the present invention is pivotable is connected on first support unit.
Preferably; Portable work bench of the present invention comprises retaining mechanism; This retaining mechanism has a locking state and release conditions, and when this retaining mechanism was in locking state, relative first support unit of second support unit cannot not be locked rotatablely; When this retaining mechanism was in release conditions, relative first support unit of second support unit was released and can pivots by relative first support unit.
Preferably, second support unit of the present invention is exercisable all is contained in first receiving space.
Preferably, portable work bench of the present invention is provided with handle.
Preferably, handle of the present invention is arranged on first support unit, and this handle takes the shape of the letter U.
Preferably, supporting leg assembly of the present invention comprises four supporting legs, wherein two pivotable being connected on first support unit of supporting leg.Two other supporting leg is pivotable to be connected on second support unit.
Preferably, second support unit of the present invention and pivotable connection two supporting legs on it can be contained in first receiving space together completely.
Preferably, the of the present invention first surface-supported area is greater than the second surface-supported area.
Description of drawings
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Fig. 1 is the disclosed stereogram of portable work bench when full open position.
The stereogram that Fig. 2 sees from another angle for the portable work bench that Fig. 1 disclosed.
Fig. 3 is the sketch map of portable work bench when supporting leg is in folded state that Fig. 2 disclosed.
Fig. 4 is the partial exploded view of the portable work bench that Fig. 1 disclosed.
Fig. 5 works as the sketch map in the relative first support unit pivot process of second support unit for the portable work bench that Fig. 3 disclosed.
Fig. 6 is portable work bench that Fig. 3 the disclosed sketch map after folding fully.
Fig. 7 is the sketch map of seeing from side direction of portable work bench that Fig. 6 disclosed.
Among the figure:
20. portable work bench 76. second longer sidewall 136. spanners
24. first support unit, 80. supporting legs, 140. slide blocks
28. through hole on second support unit, 84. first connecting portions 144.
32. supporting leg assembly 88. second connecting portions 148. lower through-holes
36. first supporting walls, 92. first through holes, 152. pins
40. first stayed surface, 96. second through holes, 156. clamping screws
44. the first side wall 100. bolts 160. sleeves
45. depressed part 104. nuts 164. nuts
48. first longer sidewall 108. second connecting portion sidewalls 168. springs
52. handle 112. second connecting portion host cavities 172. steel balls
56. first receiving space, 116. first chutes, 176. second connecting portion vertical walls
60. second supporting walls, 120. tight lock parts, 180. lids
64. second stayed surface, 124. h1. of release portion the first side wall height
68. second sidewall, 128. second upper hopper chute h2., the second sidewall height
72. depressed part 132. second gliding grooves
The specific embodiment
With reference to Fig. 1, a kind of portable work bench 20 comprises first support unit 24, second support unit 28 and is used to support the supporting leg assembly 32 of this first support unit 24 and second support unit 28.
Further with reference to Fig. 2; First support unit 24 comprises one first supporting walls 36, and this first supporting walls 36 is thin tabular structure of rectangle, and the upside of this first supporting walls 36 is provided with first stayed surface 40; This first stayed surface 40 is a plane, and this plane roughly is rectangle.
In a preferred implementation of the present invention, first supporting walls 36 can be an aluminum thin plate, and can be dismountable being installed on first support unit 24.
This first supporting walls 36 has two short lateral edges that are oppositely arranged and two long lateral edges (not indicating) that are oppositely arranged.Wherein, the short lateral edges that are oppositely arranged from two of first supporting walls 36 respectively are to two the first side walls 44 that are provided with that extend below.Two the first side wall 44 almost parallel settings.The first side wall 44 is the thin tabular structure of rectangle, will be somebody's turn to do the height h1 that is defined as the first side wall 44 as the width of the rectangular slab of the first side wall 44 at this.
In a preferred implementation of the present invention, the first side wall 44 can be to be welded by two thin metallic plates, and the material of this metallic plate can be an iron etc.All be provided with at least one depressed part 45 on each thin metallic plate, depressed part 45 can be a triangle, and the purpose of depressed part 45 is set, and is for attractive in appearance on the one hand, is in order to gain in strength on the one hand in addition.
From one of them long lateral edges of first supporting walls 36 to one the first longer sidewall 48 that is provided with that extends below.In a preferred implementation of the present invention, the first longer sidewall 48 can be made Openworks shape, so just can under the situation of proof strength, alleviate the overall weight of portable work bench 20 as far as possible.
Pars intermedia at the first longer sidewall is provided with handle 52, the setting that roughly takes the shape of the letter U of this handle 52.Two free ends of the U-shaped of this handle 52 are connected with the first longer sidewall 48.In a preferred implementation of the present invention, handle 52 can be to be integrally formed on the first longer sidewall 48.In other embodiments of the present invention, handle 52 also can be dismountable being connected on the first longer sidewall 48, for example is connected on the first longer sidewall 48 through modes such as rivets.
First supporting walls 36, two the first side walls 44 and the first longer sidewall 48 define first receiving space 56 together.This first receiving space 56 is used to accommodate second support unit 28; In a preferred implementation of the present invention; Second support unit 28 is to be contained in fully in first receiving space 56; In other embodiments of the present invention, second support unit 28 also can be being contained in first receiving space 56 of part.
Second support unit 28 comprises one second supporting walls 60; This second supporting walls 60 is thin tabular structure of rectangle; The upside of this second supporting walls 60 is provided with second stayed surface 64, and this second stayed surface 64 is a plane, and this plane roughly is rectangle.
In a preferred implementation of the present invention, the area of first stayed surface 40 is greater than the area of second stayed surface 64.
In a preferred implementation of the present invention, second supporting walls 60 can be an aluminum thin plate, and can be dismountable being installed on second support unit 28.
This second supporting walls 60 has two short lateral edges that are oppositely arranged and two long lateral edges (not indicating) that are oppositely arranged.Wherein, the short lateral edges that are oppositely arranged from two of second supporting walls 60 respectively are to two second sidewalls 68 that are provided with that extend below.Two second sidewall 68 almost parallel settings.Second sidewall 68 is the thin tabular structure of rectangle, will be somebody's turn to do the height h2 that is defined as second sidewall 68 as the width of the rectangular slab of second sidewall 68 at this.
In a preferred implementation of the present invention, second sidewall 68 can be to be welded by two thin metallic plates, and the material of this metallic plate can be an iron etc.All be provided with at least one depressed part 72 on each thin metallic plate, depressed part 72 can be a triangle, and the purpose of depressed part 72 is set, and is for attractive in appearance on the one hand, is in order to gain in strength on the one hand in addition.
From one of them long lateral edges of second supporting walls 60 to one the second longer sidewall 76 that is provided with that extends below.In a preferred implementation of the present invention, the second longer sidewall 76 can be made Openworks shape, so just can under the situation of proof strength, alleviate the overall weight of portable work bench 20 as far as possible.
Supporting leg assembly 32 movably is installed at least one in first support unit 24 or second support unit 28.
In an embodiment of the invention; Continue to see figures.1.and.2; Supporting leg assembly 32 comprises four supporting legs 80 altogether; Wherein have two supporting legs 80 to be installed on first support unit 24, the installation site of these two supporting legs 80 is respectively near the junction of two the first side walls 44 and the first longer sidewall 48, each supporting leg 80 pivotable being connected on first support unit 24.
Two other supporting leg 80 is installed on second support unit 28, and the installation site of these two supporting legs 80 is respectively near the junction of two second sidewalls 68 and the second longer sidewall 76, each supporting leg 80 pivotable being connected on second support unit 28.
With reference to Fig. 3; Sketch map when being in folded state for supporting leg assembly 32; At this moment; Supporting leg 80 is all pivoted is in the folded state among Fig. 3, and second support unit 28 and pivotable connection two supporting legs 80 on it can be contained in first receiving space 56 (with reference to Fig. 6) together completely.So, when portable work bench 20 need betransported or store, can make that overall volume is smaller.
Further combine Fig. 4, second support unit 28 movably is installed on first support unit 24, in a preferred implementation of the present invention, and second support unit, 28 pivotable being installed on first support unit 24.
Second support unit 28 is exercisable mobile between the primary importance and the second place with respect to first support unit 24; When primary importance; Second stayed surface 64 and first stayed surface 40 are positioned at same plane (with reference to Fig. 1); When the second place, second support unit 28 is being accommodated in first receiving space 56 of part at least, in a preferred implementation of the present invention; When being positioned at the second place, what second support unit 28 can be whole is accommodated in first receiving space 56 (with reference to Fig. 6).And when the second place, second stayed surface 64 and second stayed surface 64 to first stayed surfaces 40 parallel with first stayed surface 40 apart from the height h2 sum of S less than the height h1 and one second sidewall 68 of a first side wall 44.In a preferred implementation of the present invention, when the second place, second stayed surface 64 and second stayed surface 64 to first stayed surfaces 40 parallel with first stayed surface 40 apart from the height h1 (with reference to Fig. 7) of S less than a first side wall 44.
End away from the first longer sidewall 48 on the first side wall 44 is provided with first connecting portion 84, and the first such connecting portion 84 has two, lays respectively on two the first side walls 44.In a preferred implementation of the present invention, first connecting portion 84 is a metalwork, and this first connecting portion 84 is fixedly coupled the end in the first side wall 44 through modes such as rivets.
End away from the second longer sidewall 76 on second sidewall 68 is provided with second connecting portion 88, and the second such connecting portion 88 has two, lays respectively on two second sidewalls 68.In a preferred implementation of the present invention; Second connecting portion 88 is welded in an end of second sidewall 68; In other embodiments of the present invention; Second connecting portion 88 also can be fixedly connected on an end of second sidewall 68 through other modes, for example can second connecting portion 88 be connected in an end of second sidewall 68 through modes such as rivet connections.
First connecting portion 84 is provided with first through hole, 92, the second connecting portions 88 and is provided with second through hole 96.One pivotal axis passes this first through hole 92 and second through hole 96; In a preferred implementation of the present invention; Pivotal axis is a bolt 100; Bolt 100 passes first through hole 92 and second through hole 96, and bolt 100 threaded ends are mounted thereon through nut 104, thereby first connecting portion 84 is connected with second connecting portion 88; And make second connecting portion, 88 relative first connecting portions 84 pivot around this bolt 100; Because second connecting portion 88 is fixedly connected on second sidewall 68 of second support unit 28, first connecting portion 84 is fixedly connected on the first side wall 44 of first support unit 24, thereby makes second support unit, 28 relative first support units 24 pivot around above-mentioned bolt 100.
Between second connecting portion 88 of first connecting portion 84 of first support unit 24 and second support unit 28, be provided with retaining mechanism; This retaining mechanism has a locking state and release conditions; When this retaining mechanism was in locking state, second support unit, 28 relative first support units 24 cannot not be locked rotatablely; When this retaining mechanism was in release conditions, second support unit, 28 relative first support units 24 were released, and second support unit 28 can pivot by relative first support unit 24.
Second connecting portion 88 is the rectangular-shaped of hollow; It has two the corresponding second connecting portion sidewall 108 and one second connecting portion host cavities 112 that are provided with; Aforesaid second through hole 96 has two; Be arranged at respectively on these two the corresponding second connecting portion sidewalls 108 that are provided with, bolt 100 passes this two second through holes 96.
Retaining mechanism comprises two first chutes 116, a side that is arranged at first connecting portion 84 of these two first chutes, 116 symmetries, and first chute 116 is L-shaped, one side this L shaped first chute 116 is tight lock part 120, the another side of L shaped first chute is a release portion 124.First chute 116 on first connecting portion 84 why symmetry to be provided with two be because so first connecting portion 84 just can be used as a general part, can be installed on any one on two the first side walls 44.
Retaining mechanism further comprises two second upper hopper chutes 128 and two second gliding grooves 132.On corresponding respectively two sidewalls that are installed on second connecting portion 88 of two second upper hopper chutes 128; On corresponding respectively two the second connecting portion sidewalls 108 that are installed on second connecting portion 88 of two second gliding grooves 132, and lay respectively at two second upper hopper chutes 128 below.
Retaining mechanism also comprises spanner 136 and slide block 140; Slide block 140 is contained in the second connecting portion host cavity 112; Slide block 140 is provided with through hole 144 and lower through-hole 148; Retaining mechanism also comprises pin 152, and an end of this pin 152 is connected with spanner 136, and the last through hole 144 that the other end of pin 152 passes second upper hopper chute 128 and slide block 140 gets into and is contained in first chute 116.Retaining mechanism also comprises a clamping screw 156; One end of this clamping screw 156 is connected with spanner 136; Clamping screw 156 is provided with sleeve 160; This clamping screw 156 and sleeve 160 pass the lower through-hole 148 of second gliding groove 132 and slide block 140 together, and the other end of clamping screw 156 connects through nut 164.
Retaining mechanism also comprises spring 168 and steel ball 172, and this spring 168 is contained in the slide block 140 fully, being contained in the slide block 140 of steel ball 172 parts.Second connecting portion 88 also comprises two second connecting portion vertical walls 176 perpendicular to the second connecting portion sidewall 108, and one of them second connecting portion vertical wall 176 is close to and is connected with second sidewall 68, and another second connecting portion vertical wall 176 is away from second sidewall 68.Spring 168 compresses steel ball towards the direction away from the second connecting portion vertical wall 176 of second sidewall 68; Be provided with two locating holes (not shown) along the vertical direction on the second connecting portion vertical wall away from second sidewall 68, steel ball 172 exercisable of placing two locating holes respectively.
The upside of second connecting portion 88 is provided with a lid 180, and second connecting portion 88 is built.
During use, if an end of pin 152 in the tight lock part 120 of first chute 116, this moment this retaining mechanism be in locking state; Steel ball 172 is arranged in a top locating hole; Second support unit 28 is locked not movable with respect to first support unit 24, stir spanner 136 downwards, and this moment, spanner 136 drive pins 152 moved with clamping screw 156 together; Pin 152 drives slide block 140 motions together with clamping screw 156 simultaneously; This moment, pin 152 moved along first chute 116 and second upper hopper chute 128, and clamping screw 156 moves along second gliding groove 132, when pin 152 moves to the release portion 124 of first chute 116; This moment, this retaining mechanism was in release conditions; Steel ball 172 is arranged in a following locating hole, and second support unit, 28 relative first support units 24 are released, and second support unit 28 can pivot by relative first support unit 24.Otherwise, if think to want retaining mechanism to be in locking state again, will upwards stir spanner 136, make pin 152 move to the tight lock part 120 of first chute 116, steel ball 172 is arranged in a top locating hole and gets final product.
During use, portable work bench 20 is opened fully made it be in state as shown in Figure 1 earlier, just can place power tool this moment on first stayed surface 36 and/or second stayed surface 40, for example diagonal cutting saw etc.Perhaps also can be used as a simple work top uses.After work was accomplished, first rotational support leg 80 made it be in folded state (with reference to Fig. 3), stirs spanner 136 then downwards, makes retaining mechanism be in release conditions, and just can rotate second support unit 28 by relative first support unit 24 this moment.Can certainly be that relative second support unit 28 rotates first support unit 24.
With reference to Fig. 5, be that second support unit 28 is rotated the sketch map in the process.With reference to Fig. 6 is the sketch map that second support unit 28 is transferred to the end, and at this moment, second support unit 28 is contained in first receiving space 56 completely.At this moment, portable work 20 is stored and transports just as a chest.
After folding, spanner 136 is upwards stirred again, made retaining mechanism be in locking state, this moment, second support unit 28 was locked not movablely with respect to first support unit 24, can make that like this handling process is safer.