CN110238803B - Porous large table-board folding workbench - Google Patents
Porous large table-board folding workbench Download PDFInfo
- Publication number
- CN110238803B CN110238803B CN201910639544.5A CN201910639544A CN110238803B CN 110238803 B CN110238803 B CN 110238803B CN 201910639544 A CN201910639544 A CN 201910639544A CN 110238803 B CN110238803 B CN 110238803B
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- stay
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- large table
- table top
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- 238000003825 pressing Methods 0.000 claims abstract description 68
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 25
- 230000003068 static effect Effects 0.000 claims description 54
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 210000003811 finger Anatomy 0.000 description 19
- 238000009434 installation Methods 0.000 description 8
- 210000003813 thumb Anatomy 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/02—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type
- B25H1/04—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of table type portable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/08—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for attachment of work holders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tables And Desks Characterized By Structural Shape (AREA)
- Special Chairs (AREA)
Abstract
The invention relates to a multi-hole large-table-board folding workbench which comprises a large table board and foot frames, wherein a section of clamping sectional material is arranged on the side surface of the periphery of the large table board, the clamping sectional material is provided with a clamping groove, and the clamping groove is a stepped groove with wide inner part and narrow outer part; the chamfer joint pieces are connected between two adjacent clamping sectional materials at four right angles of the large table top; the left foot rest comprises two left foot rods which are arranged side by side, and a folding stay is connected between the left foot rods and the large table top; the folding stay comprises a first stay, a second stay and a pressing mechanism. According to the invention, the clamping section bar is additionally arranged on the periphery of the large table top, and the external clamp can slide in the clamping section bar and be arranged at all parts on the periphery of the large table top at will; a folding stay is arranged between the foot rest and the large table top, a spring piece with a pin is used for positioning the expansion and folding of the stay, and the hinge part can be held by a single hand for folding operation; the handle folding mechanism is additionally arranged on the foot rod, the spring piece with the pin is utilized to realize rotary folding and positioning, and the folding device can be completed by one hand, and is rapid and convenient.
Description
Technical Field
The invention belongs to a woodworking working workbench, and particularly relates to a multi-hole large-table folding workbench.
Background
The large workbench has large table surface area and can meet the processing requirements of large workpieces. Because of the large size of the large work pieces, other clamps are needed to assist in securing the work pieces, and therefore the large table should be provided with corresponding structure for mounting the external clamps. Meanwhile, in order to improve the practicability of the large table top, the application range is enlarged, and the mounting holes and the mounting grooves are reserved on the large table top and can be used for fixing small-specification workpieces after being matched with the clamp. The present unit technicians have improved the structure of large mesas against the above problems.
Large work tables are bulky and heavy. In order to facilitate the movement or folding of the stand, a handle is usually mounted on a structure such as a table or stand. If the length and the installation position of the handle are out of the whole outline range of the workbench, the handle should be designed to be foldable in order to avoid the handle affecting the normal working process, and the folding operation is convenient and quick as much as possible.
To facilitate storage and portability of the table apparatus, the foot rests of the table are often provided to be foldable, and to enhance support stability, stays are often connected between the foot rests and the table top, and between the foot bars and the foot bars. The basic structure of the stay is a link mechanism, and a positioning structure is added at the hinge position of the link mechanism. The folding operation of the stay needs to be performed in cooperation with the folding operation of the whole tripod, and therefore, the folding operation of the stay should be completed by one hand operation and have a sufficient and stable point of application.
Disclosure of Invention
The invention mainly aims at the problems of the large workbench, and discloses a multi-hole large-workbench folding workbench, wherein clamping sectional materials are additionally arranged on the periphery of the large workbench, and an external clamp can slide in the clamping sectional materials and can be randomly arranged at all parts on the periphery of the large workbench; the large table top is provided with a mounting rail and a mounting groove, and the mounting groove is used for mounting an external clamp and can be used for fixing the cutting saw; a folding stay is arranged between the foot rest and the large table top, a spring piece with a pin is used for positioning the expansion and folding of the stay, a hinged part can be held by a single hand, and the pin is pressed by a thumb or other fingers to carry out folding operation; the handle folding mechanism is additionally arranged on the foot rod, the spring piece with the pin is mainly used for realizing rotary folding and positioning, and the handle controls the expansion and contraction of the pin by virtue of an elastic pressing piece, so that folding control is realized; the folding operation can be completed by one hand, and is rapid and convenient.
The technical problems of the invention are implemented by the following technical scheme: the utility model provides a porous big mesa folding workbench, includes square big mesa, supports the foot rest of big mesa, its characterized in that, big mesa all is provided with one section clamping section bar in side all around, and the clamping section bar is the slat form, and the outside face of clamping section bar is provided with a concave clamping groove, and the clamping groove is the step groove of inside width outside narrow, and the clamping groove extends to the other end from the one end of clamping section bar.
The external clamp is provided with a T-shaped connector in standard configuration, and the T-shaped connector is correspondingly embedded into the clamping groove; the external clamp provides a horizontal thrust from the side edges.
The four right angles of the large table top are connected with chamfer connectors between two adjacent clamping sectional materials, the chamfer connectors are 90-degree bent plate members, the two sides of the middle part of each chamfer connector are respectively provided with a dismounting opening corresponding to the clamping groove, and an external clamp is embedded into the clamping sectional materials or withdraws from the clamping sectional materials through the dismounting openings.
The left end of the large table top is provided with a handle piece, and the handle piece comprises two vertical rods which are vertically arranged and are parallel to each other and a handle cross rod which is fixed at the upper ends of the two vertical rods; the middle parts of the two vertical rods are provided with opposite convex clamping heads, and the clamping heads are embedded into clamping grooves for clamping the sectional materials. The handle piece is matched with the clamping section bar to form detachable connection.
The foot rest comprises a left foot rest positioned at the left end of the large table top and a right foot rest positioned at the right end of the large table top; the upper ends of the left foot rest and the right foot rest are respectively rotatably hinged with the large table top, the left foot rest and the right foot rest have the same structure, the left foot rest comprises two left foot rods which are arranged side by side, and a folding stay is connected between each left foot rod and the large table top.
The folding stay comprises a first stay and a second stay which are mutually hinged, the upper end of the first stay is hinged to the lower bottom surface of the large table top, the lower end of the first stay is provided with a shaft hole, the lower end of the second stay is hinged to the left foot bar, the upper end of the second stay is provided with a shaft hole, and the two aligned shaft holes are connected with a rotating shaft; a pressing mechanism for positioning unfolding and folding is arranged at the hinge part of the first stay and the second stay.
The pressing mechanism comprises a pressing elastic piece which is three-section wavy and bent, one end of the pressing elastic piece is a fixing part, the end of the pressing elastic piece is provided with a mounting through hole, and the fixing part is connected with the rotating shaft through the mounting through hole; the other end of the pressing spring piece is a pressing part and is provided with a vertically-raised pin, and meanwhile, pin positioning holes are formed in the corresponding positions of the first stay and the second stay, so that the pin can be inserted into the pin positioning holes; and a V-shaped bending part is arranged between the fixing part and the pressing part.
Preferably, two side-by-side concave cuboid-shaped fixing grooves are formed in the plate surface of the large table top, an installation rail for clamping the clamp and the cutting saw is fixedly connected in each fixing groove, a concave installation groove is formed in the middle of the installation rail, the installation groove extends from one end of the installation rail to the other end of the installation rail, and a notch of the installation groove is provided with a limiting strip extending horizontally inwards; the overall height of the mounting rail is lower than the depth of the fixing groove. The mounting groove can also be used for mounting an external clamp, and the external clamp is provided with a T-shaped connector which is in standard configuration and correspondingly embedded into the mounting groove; the external clamp provides a vertical downward pressing force from the vertical direction.
Preferably, a plurality of table surface through holes which are arranged in a matrix are arranged on the surface of the large table surface, a plurality of clamping blocks are arranged on the surface of the large table surface, and connecting columns are fixed below the clamping blocks.
Preferably, the handle piece is characterized in that the lower ends of the two vertical rods are connected with a wheel shaft, and the two ends of the wheel shaft are connected with idler wheels; in order to increase the stability of the handle piece, a tripod is connected between the axle and the large table top. After the workbench is used, the foot rest is folded, at the moment, the rollers are in contact with the ground, the folded workbench can be obliquely pushed and pulled, or the folded workbench is used as a temporary cart, the handle piece is used as a carrier of the cart, and the handle is used as a push-pull handle of the temporary cart.
Preferably, one side of the first stay is provided with a first folded edge which is vertically folded, and the section of the first stay is L-shaped; one side of the second stay is provided with a second folded edge which is vertically folded, the section of the second stay is L-shaped, and the second folded edge covers the outer side of the first folded edge.
Preferably, the hinge part of the second stay, and the plate surface near the lower edge, is provided with at least one inclined arched finger fulcrum, and the finger fulcrum is used for placing a finger and applying a force.
Preferably, the upper outer side of each right foot bar is connected with a handle folding mechanism, and the handle folding mechanism comprises a handle horizontally arranged, a dynamic hinging seat arranged at the inner end of the handle, and a static hinging seat rotationally hinged with the dynamic hinging seat, wherein the static hinging seat is fixedly connected with the right foot bar.
The static hinge seat comprises two parallel static hinge plates, and a first shaft hole is formed in each of the two static hinge plates; the dynamic hinge seat comprises two parallel dynamic hinge plates, and a second shaft hole is formed in each dynamic hinge plate; the two dynamic hinge plates are respectively clamped on the outer sides of the two static hinge plates correspondingly, and a central rotating shaft is connected in the aligned first shaft hole and second shaft hole; an elastic pressing mechanism for adjusting the folding state is arranged between the static folding seat and the dynamic folding seat.
The elastic pressing mechanism comprises a second spring piece bent in a U shape, a second pin fixed on the second spring piece and close to the opening end of the second spring piece, and a pressing piece for pressing the second pin.
The spring piece is arranged between two static hinge plates of the static hinge seat, two sides of the spring piece are abutted against the two static hinge plates, and meanwhile, pin insertion holes are respectively formed in a corresponding static hinge plate and a corresponding dynamic hinge plate, so that second pins of the second spring piece can be correspondingly inserted into the pin insertion holes.
The pressing piece is arranged on the outer side of the dynamic hinging seat and is a bent strip plate and comprises a fixing part and a pressing part, wherein the fixing part is connected to the end part of the central rotating shaft, and the pressing part is positioned on the outer side of the pin jack; by applying external pressure to the pressing portion, the second pin can be pushed from outside to inside so as to be disengaged from the pin insertion hole.
When the device is used, the handle, the dynamic hinging seat and the static hinging seat are positioned on the same horizontal straight line, and the dynamic hinging seat and the static hinging seat are limited and fixed by utilizing the pin matched with the pin jack; when the folding operation is carried out, the hand grips the hinged end of the handle, and the thumb is arranged on the pressing piece; after the acting force is applied to the pressing part of the pressing piece, the pin is pushed to be separated from the pin jack, and meanwhile, the dynamic hinging seat is manually turned downwards to be in a vertical state, so that folding is completed.
Preferably, the static hinge seat is in an inverted U shape, and a horizontal static top plate is arranged above the two static hinge plates; the dynamic hinge seat is in an inverted U shape, and a horizontal dynamic top plate is connected to the two dynamic hinge plates; the dynamic roof is overlaid over the static roof in the deployed state.
Preferably, the plate surfaces of the two dynamic hinge plates near the lower edge are provided with at least one inclined arched finger fulcrum for placing fingers and applying force. When the folding operation is carried out, the hand holds the hinged end of the handle, and the fingers can be correspondingly placed at the finger pivot points, so that the folding operation has stable force application points.
Preferably, the pressing piece is made of elastic materials, and the pressing part is inclined and expanded relative to the fixing part and the dynamic hinge plate; the center of one surface of the pressing part facing the second pin is provided with a convex part; when the pressing portion is pressed, the protruding portion is first brought into contact with the pin.
In summary, compared with the prior art, the invention has the following advantages:
according to the invention, the clamping section bar is additionally arranged on the periphery of the large table top, and the external clamp can slide in the clamping section bar and be arbitrarily arranged at each part on the periphery of the large table top, so that a large-specification workpiece can be conveniently fixed; the large table top has the mounting rail and the mounting groove, and the mounting groove is used for installing outside anchor clamps, can also fix the cutting saw, improves the practicality of workstation, extension workstation's application scope.
According to the folding stay, the spring piece with the pin is used for positioning the unfolding and folding of the stay, the hinge part can be held by one hand, and the pin is pressed by the thumb or other fingers to carry out folding operation, so that the folding stay is convenient and quick.
The folding handle mechanism is provided with the static hinging seat and the dynamic hinging seat, folding and positioning are realized by utilizing a spring piece with a pin, and the handle controls the expansion and contraction of the pin by a plastic pressing piece to realize folding control; the folding operation of the invention can be completed by one hand, and is rapid and convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a cross-sectional view of a clamping profile of the present invention;
FIG. 5 is a cross-sectional view of the mounting rail and the mounting channel of the present invention;
FIG. 6 is a schematic view of the right foot rest of the present invention;
FIG. 7 is an enlarged view of a fold stay of the present invention;
FIG. 8 is an enlarged view of the folding handle mechanism of the present invention;
fig. 9 is an exploded view of the folding handle mechanism of the present invention.
The reference numerals in the figures are: 1. a large table top; 1-1, clamping a section bar; 1-11, clamping grooves; 1-2, chamfer couplings; 1-21, a disassembly and assembly opening; 1-3, a fixed groove; 1-4, mounting rails; 1-41, mounting slots; 1-42, restriction strips; 1-5, mesa through holes; 1-6, clamping blocks; 1-7, a handle member; 1-71, a vertical rod; 1-72, cross bars; 1-8, idler wheels;
2. a foot rest; 2-1, left foot rest; 2-11, left foot bar; 2-2, right foot rest;
5. folding the stay; 5-1, a first stay; 5-11, a first folding edge; 5-2, a second stay; 5-22, second flanging; 5-3, shaft hole; 5-4, a rotating shaft; 5-5, pressing the spring plate; 5-51, mounting through holes; 5-6, pins; 5-7, pin positioning holes; 5-8, finger support points;
9. a handle folding mechanism; 9-1, a static hinging seat; 9-10, static hinged plates; 9-11, a first shaft hole; 9-13, static top plate; 9-2, a dynamic hinging seat; 9-20, dynamic hinged plate; 9-22, second shaft holes; 9-23, dynamic top plate; 9-3, a handle; 9-4, a central rotating shaft; 9-5, a second spring piece; 9-51, a second pin; 9-6, pressing piece; 9-61, a fixing part; 9-62, a pressing part; 9-7, pin jacks.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Example 1:
as shown in fig. 1, 2 and 3, the folding workbench with the porous large table top comprises a rectangular large table top 1 and a foot rest 2 for supporting the large table top 1; the large table top 1 is characterized in that a section of clamping sectional material 1-1 is fixedly covered on each side face of the large table top 1, the clamping sectional material 1-1 is in a wide and flat strip shape, as shown in fig. 4, an inwards concave clamping groove 1-11 is formed in the outward facing surface of the clamping sectional material 1-1, the clamping groove 1-11 is a stepped groove with the inner width and the outer width, and the clamping groove 1-11 extends from one end of the clamping sectional material 1-1 to the other end.
The four right angles of the large table top 1 are provided with chamfer connectors 1-2 connected between two adjacent clamping sectional materials 1-1, the chamfer connectors 1-2 are 90-degree arc-shaped bending plates, the two sides of the middle part of the chamfer connectors 1-2 are provided with dismounting openings 1-21 corresponding to the clamping grooves 1-11, and an external clamp is embedded into the clamping sectional materials 1-1 from the dismounting openings 1-21 or withdraws from the clamping sectional materials 1-1.
The large table top 1 is provided with tens of table top through holes 1-5 which are uniformly arranged in a matrix, wherein the table top through holes 1-5 are connected with clamping blocks 1-6, and connecting columns are fixed below the clamping blocks 1-6 and inserted into the table top through holes 1-5.
In the middle part of big mesa 1, there are two fixed slot 1-3 side by side, and fixed slot 1-3 is the groove of indent, and the cross-section of groove is the rectangle, has certain interval between two fixed slot 1-3, and fixed slot 1-3 is parallel with big mesa 1's minor face, and fixed slot 1-3 extends perpendicularly to near the opposite side from big mesa 1's one side.
As shown in fig. 5, a mounting rail 1-4 for clamping the clamp and the dicing saw is fastened and connected in each fixing groove 1-3 by a screw; the overall height of the mounting rail 1-4 is lower than the depth of the fixed groove 1-3, and when the mounting rail 1-4 is not used, the mounting rail 1-4 is hidden in the fixed groove 1-3, so that the normal use of the large table top 1 is not influenced; the middle part of the mounting rail 1-4 is provided with a concave mounting groove 1-41, the mounting groove 1-41 extends from one end of the mounting rail 1-4 to the other end, and the notch of the mounting groove 1-41 is provided with a cuboid limiting strip 1-42 which extends horizontally inwards to be convex; the limiting strips 1-42 are higher than the notch and are raised relative to the upper surface of the mounting rails 1-4, and a group of raised cuboid supporting strips are symmetrically arranged on the upper surface of the mounting rails 1-4 and on two sides of the mounting grooves 1-41, so that friction between the limiting strips and the mounting rails 1-4 can be reduced when the clamp and the dicing saw are fixed.
The left end of the side edge of the large table top 1, which is shorter, is connected with a handle piece 1-7, and the handle piece 1-7 comprises two vertical rods 1-71 which are vertically arranged and are parallel to each other, and a cross rod 1-72 which is fixed at the upper ends of the two vertical rods 1-71; a certain interval is arranged between the two vertical rods 1-71, a relatively convex clamping head is fixed in the middle of each vertical rod 1-71, and the clamping head is embedded into a clamping groove 1-11 of the clamping section bar 1-1; the lower ends of the two vertical rods 1-71 are connected with a wheel shaft, and the two ends of the wheel shaft are connected with idler wheels 1-8; a right-angle triangular tripod is respectively connected between two ends of the wheel axle and the lower bottom surface of the large table top 1, so that the stability of the handle pieces 1-7 is improved.
The foot rest 2 comprises a left foot rest 2-1 positioned at the left end of the large table top 1 and a right foot rest 2-2 positioned at the right end of the large table top 1; the upper ends of the left foot rest 2-1 and the right foot rest 2-2 are respectively and rotatably hinged with the large table top 1, the structures of the left foot rest 2-1 and the right foot rest 2-2 are the same, specifically, the left foot rest 2-1 comprises two side by side left foot rods 2-11, the upper ends of the two left foot rods 2-1 are simultaneously connected with a long rotating shaft, meanwhile, two bearing seats are arranged on the lower bottom surface of the large table top 1, the long rotating shaft at the upper end of the left foot rod 2-1 is correspondingly connected with the two bearing seats, and then the left foot rest 2-1 and the large table top 1 form rotary hinge.
The structure of the right foot rest 2-2 is the same as that of the left foot rest 2-1; the connection structure of the right foot rest 2-2 and the large table top 1 is the same as the connection structure of the left foot rest 2-1 and the large table top 1.
As shown in fig. 6 and 7, a folding stay 5 is connected between each left foot bar 2-11 and the lower bottom surface of the large table top 1; a folding stay 5 is connected between each right foot bar and the lower bottom surface of the large table top 1; the folding stay 5 comprises a first stay 5-1 and a second stay 5-2 which are mutually hinged, and the first stay 5-1 and the second stay 5-2 are strip plates.
The upper end of the first stay 5-1 is connected with the long rotating shaft, and the lower end of the first stay 5-1 is provided with a shaft hole 5-3; the lower end of the second stay 5-2 is hinged to the upper portion of the left foot rod 2-11 through a shaft, the upper end of the second stay 5-2 is provided with a shaft hole 5-3, a rotating shaft 5-4 is connected in the two aligned shaft holes 5-3, and the rotating shaft 5-4 can be formed by adopting a rotating bolt and a nut in a matching mode.
The hinge parts of the first stay 5-1 and the second stay 5-2 are provided with a pressing mechanism for positioning the stay to unfold and fold, and the pressing mechanism is a pressing elastic sheet 5-5 which is in a three-section wavy bending shape; one end of the pressing spring piece 5-5 is a fixing part and is provided with a mounting through hole 5-51, and the fixing part is connected with the rotating shaft 5-4 through the mounting through hole 5-51; the other end of the pressing spring piece 5-5 is a pressing part and the end is provided with a pin 5-6 which is vertically protruded; meanwhile, pin positioning holes 5-7 are formed in the corresponding positions of the first stay 5-1 and the second stay 5-2, so that pins 6 can be inserted into the pin positioning holes 5-7; the fixing part and the pressing part of the pressing elastic piece 5-5 are connected and transited by the V-shaped bending part.
The edge of one upward side of the first stay 5-1 is provided with a first folded edge 5-11 which is vertically folded, and the section of the first folded edge is L-shaped; the upward side edge of the second stay 5-2 is provided with a second folded edge 5-22 which is vertically folded, the section of the second folded edge is L-shaped, and the second folded edge 5-22 covers the outer side of the first folded edge 5-11.
The plate surface of the second stay 5-2, which is close to the lower edge, is provided with two obliquely arched finger fulcrums 5-8, and the finger fulcrums 5-8 are used for placing fingers and applying acting force; when the folding operation is carried out, the hand holds the hinge part of the folding stay, the index finger and the middle finger can be respectively placed at the finger pivot 5-8, the thumb can press the pin 5-6 to separate from the pin positioning hole 5-7, and meanwhile, the stay is manually turned over, so that the foot rest is finally driven to fold.
The lower part of one left foot rest 2-1 is bent, specifically, the lower part of the left foot rest 2-1 is firstly inclined downwards and expands outwards and then vertically downwards; the centers of the lower end surfaces of the two left foot rods 2-1 are provided with nuts, the nuts are connected with fine-tuning studs, and the heads of the fine-tuning studs are contacted with the ground; similarly, the lower part of one right foot rest 2-2 is bent, specifically, the lower part of one right foot rest is inclined downwards and expands outwards and then vertically downwards; the centers of the lower end surfaces of the two right foot rods are provided with nuts, the nuts are connected with fine-tuning studs, and the heads of the fine-tuning studs are contacted with the ground.
As shown in fig. 8 and 9, a handle folding mechanism 9 is connected to the outer side of the upper portion of each right leg of the right foot rest 2-2, and the handle folding mechanism 9 includes a horizontally arranged column-shaped handle 9-3, a dynamic hinging seat 9-2 fixed at the inner end of the handle 9-3, and a static hinging seat 9-1 rotatably hinged with the dynamic hinging seat 9-2, wherein the static hinging seat 9-1 is fixedly connected to the right leg.
The static hinge seat 9-1 is in an inverted U shape and comprises two parallel static hinge plates 9-10, a horizontal static top plate 9-13 is fixed on the two static hinge plates 9-10, and first shaft holes 9-11 are symmetrically arranged on the two static hinge plates 9-10.
The dynamic hinge seat 9-2 is in an inverted U shape and comprises two parallel dynamic hinge plates 9-20, a horizontal 9-dynamic top plate 23 is fixed on the two dynamic hinge plates 9-20, and second shaft holes 9-22 are symmetrically formed in the two dynamic hinge plates 9-23.
The static hinging seat 9-1 and the dynamic hinging seat 9-2 are connected in the following way: the dynamic hinge seat 9-2 is covered on the outer side of the static hinge seat 9-1, wherein the dynamic top plate 9-23 is covered on the static top plate 9-13, two dynamic hinge plates 9-20 are respectively and correspondingly clamped on the outer sides of the two static hinge plates 9-10, a central rotating shaft 9-4 is connected in the aligned first shaft hole 9-11 and second shaft hole 9-22, the central rotating shaft 9-4 can be specifically formed by adopting a rotary bolt and a matched nut, and then the dynamic hinge seat 9-2 can be folded in a rotary way relative to the static hinge seat 9-1, and the rotating angle is 90 degrees.
An elastic pressing mechanism is arranged between the static folding seat 9-1 and the dynamic folding seat 9-2 to control the folding action of the handle 9-3; specifically, a second U-shaped bent spring piece 9-5 is arranged in the static folding seat 9-1, wherein the closed end of the second spring piece 9-5 faces the direction of the handle 9-3, and two sides of the second spring piece 9-5 are respectively abutted against two corresponding static hinge plates 9-10; a second pin 9-51 is fixed to one side of the second spring piece 9-5 at the opening end thereof; meanwhile, pin insertion holes 9-7 are formed in the static hinge plates 9-10 and the dynamic hinge plates 9-20 close to one side of the second pin 9-51 and aligned with the second pin 9-51, and then the second pin 9-51 can be correspondingly inserted into the pin insertion holes 9-7.
The outer side of the dynamic hinging seat 9-2 is provided with a pressing piece 9-6, and the pressing piece 9-6 is positioned at one side close to the second pin 9-51; specifically, the pressing member 9-6 is provided as a bent strip member including a fixing portion 9-61 and a pressing portion 9-62, wherein the fixing portion 9-61 is connected to an end portion of the central rotation shaft 9-4, and the pressing portion 9-62 is located outside the pin insertion hole 9-7.
The pressing member 9-6 is a plastic member having elasticity, the pressing portion 9-62 is inclined and expanded with respect to the fixing portion 9-61 and the dynamic hinge plate 9-20, a convex portion is provided in the center of the surface of the pressing portion 9-62 facing the pin 9-51, and when the pressing portion 9-62 is pressed, the convex portion is brought into contact with the pin 9-51 at first, and further the second pin 9-51 is pushed from the outside to the inside so as to be separated from the pin insertion hole 9-7.
The second spring piece 9-5 is arranged in the static hinge seat 9-1, and two side edges of the second spring piece are respectively abutted against the two static hinge plates 9-10; the closed end of the second spring piece 9-5 faces the direction of the handle 9-3, the closed end of the second spring piece 9-5 is abutted against the central rotating shaft 9-4, the upper edge and the lower edge of the closed end are provided with folded edges which are turned outwards, and the folded edges are respectively arranged above and below the central rotating shaft 9-4.
In order to provide a proper point of application, at least one obliquely arched finger fulcrum 5-8 is arranged on the plate surface of the two dynamic hinge plates 9-20 near the lower edge, and the finger fulcrum 5-8 is used for placing fingers and applying force.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The folding workbench with the porous large table top comprises a square large table top (1) and a foot rest (2) for supporting the large table top, and is characterized in that a section of clamping sectional material (1-1) is arranged on the peripheral side surface of the large table top, the clamping sectional material is in a strip plate shape, a concave clamping groove (1-11) is formed in the outward plate surface of the clamping sectional material, the clamping groove is a stepped groove with a wide inner side and a narrow outer side, and the clamping groove extends from one end of the clamping sectional material to the other end of the clamping sectional material;
the four right angles of the large table top are connected with chamfer connectors (1-2) between two adjacent clamping sectional materials, the chamfer connectors are 90-degree bent plate pieces, the two sides of the middle part of the chamfer connectors are respectively provided with a dismounting opening (1-21) corresponding to the clamping groove, and an external clamp is embedded into the clamping sectional materials or withdraws from the clamping sectional materials through the dismounting openings;
the left end of the large table top is provided with a handle piece (1-7), and the handle piece comprises two vertical rods (1-71) which are vertically arranged and are parallel to each other, and a handle cross rod (1-72) which is fixed at the upper ends of the two vertical rods; the middle parts of the two vertical rods are provided with opposite convex clamping heads, and the clamping heads are embedded into clamping grooves for clamping the sectional materials;
the foot rest comprises a left foot rest (2-1) positioned at the left end of the large table top and a right foot rest (2-2) positioned at the right end of the large table top; the upper ends of the left foot rest and the right foot rest are respectively and rotatably hinged with the large table top, the left foot rest and the right foot rest have the same structure, the left foot rest comprises two left foot rods (2-11) which are arranged side by side, and a folding stay bar (5) is connected between each left foot rod and the large table top;
the folding stay comprises a first stay (5-1) and a second stay (5-2) which are mutually hinged, the upper end of the first stay is hinged to the lower bottom surface of the large table top, the lower end of the first stay is provided with a shaft hole (5-3), the lower end of the second stay is hinged to the left foot rod, the upper end of the second stay is provided with a shaft hole, and the two aligned shaft holes are connected with a rotating shaft (5-4); a pressing mechanism for positioning unfolding and folding is arranged at the hinge part of the first stay and the second stay;
the pressing mechanism comprises a pressing elastic sheet (5-5) which is three sections of wavy and bent, one end of the pressing elastic sheet is a fixed part, the end of the pressing elastic sheet is provided with a mounting through hole (5-51), and the fixed part is connected with the rotating shaft through the mounting through hole; the other end of the pressing spring piece is a pressing part and is provided with a pin (5-6) which is vertically protruded, and meanwhile, corresponding parts of the first stay and the second stay are provided with pin positioning holes (5-7) so that the pin can be inserted into the pin positioning holes; and a V-shaped bending part is arranged between the fixing part and the pressing part.
2. The multi-hole large table-board folding workbench according to claim 1, wherein two side-by-side concave cuboid-shaped fixing grooves (1-3) are formed in the surface of the large table-board, a mounting rail (1-4) for clamping a clamp and a cutting saw is fixedly connected in each fixing groove, a concave mounting groove (1-41) is formed in the middle of each mounting rail, each mounting groove extends from one end to the other end of each mounting rail, and a notch of each mounting groove is provided with a limiting strip (1-42) which extends horizontally inwards; the overall height of the mounting rail is lower than the depth of the fixing groove.
3. The multi-hole large-table-board folding workbench according to claim 2, wherein a plurality of table-board through holes (1-5) which are arranged in a matrix are arranged on the surface of the large table board, a plurality of clamping blocks (1-6) are arranged on the surface of the large table board, and connecting columns are fixed below the clamping blocks.
4. The folding workbench of a porous large table top according to claim 1, wherein the lower ends of the handle piece and the two vertical rods are connected with a wheel shaft, and the two ends of the wheel shaft are connected with rollers (1-8).
5. The multi-hole large table top folding workbench according to claim 1, wherein one side of the first stay is provided with a first folded edge (5-11) which is vertically folded, and the cross section of the first folded edge is L-shaped; one side of the second stay is provided with a second folded edge (5-22) which is vertically folded, the section of the second stay is L-shaped, and the second folded edge covers the outer side of the first folded edge.
6. The folding bench of porous large tops according to claim 1, characterized in that the hinge part of the second stay, near the lower edge of the plate, is provided with at least one inclined arched finger fulcrum (5-8) for placing the finger and exerting a force.
7. The folding workbench of the porous large table top according to claim 1, wherein the upper outer side of each right foot stand is connected with a handle folding mechanism (9), and the handle folding mechanism comprises a handle (9-3) horizontally arranged, a dynamic hinging seat (9-2) arranged at the inner end of the handle, and a static hinging seat (9-1) rotatably hinged with the dynamic hinging seat, wherein the static hinging seat is fixedly connected with the right foot stand;
the static hinge seat comprises two parallel static hinge plates (9-10), and a first shaft hole (9-11) is formed in each static hinge plate; the dynamic hinge seat comprises two parallel dynamic hinge plates (9-20), and second shaft holes (9-22) are formed in the two dynamic hinge plates; the two dynamic hinge plates are respectively clamped on the outer sides of the two static hinge plates correspondingly, and a central rotating shaft (9-4) is connected in the aligned first shaft hole and second shaft hole; an elastic pressing mechanism for adjusting the folding state is arranged between the static hinging seat and the dynamic hinging seat;
the elastic pressing mechanism comprises a second spring piece (9-5) bent in a U shape, a second pin (9-51) fixed on the second spring piece and close to the opening end of the second spring piece, and a pressing piece (9-6) used for pressing the pin;
the second spring piece is arranged between two static hinge plates of the static hinge seat, two sides of the second spring piece are in contact with the two static hinge plates, and meanwhile, pin insertion holes (9-7) are respectively formed in a corresponding static hinge plate and a corresponding dynamic hinge plate, so that second pins of the second spring piece can be correspondingly inserted into the pin insertion holes;
the pressing piece is arranged on the outer side of the dynamic hinging seat and is a bent strip plate and comprises a fixing part (9-61) and a pressing part (9-62), wherein the fixing part is connected to the end part of the central rotating shaft, and the pressing part is positioned on the outer side of the pin jack; by applying external pressure to the pressing portion, the pin can be pushed from outside to inside so as to be disengaged from the pin insertion hole.
8. The multi-hole large table folding workbench according to claim 7, wherein the static hinge base is inverted U-shaped with a horizontal static top plate (9-13) above two static hinge plates; the dynamic hinging seat is in an inverted U shape, and a horizontal dynamic top plate (9-23) is connected to the two dynamic hinging plates; the dynamic roof is overlaid over the static roof in the deployed state.
9. The folding table of claim 7, wherein the two dynamic hinge plates are each provided with at least one inclined arched finger pivot (5-8) for receiving a finger and applying a force.
10. The folding workbench with the large porous table top according to claim 7, wherein the pressing piece is made of elastic materials, and the pressing part is inclined and expanded relative to the fixing part and the dynamic hinge plate; the center of one surface of the pressing part facing the second pin is provided with a convex part; when the pressing part is pressed, the protruding part is firstly contacted with the second pin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910639544.5A CN110238803B (en) | 2019-07-16 | 2019-07-16 | Porous large table-board folding workbench |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910639544.5A CN110238803B (en) | 2019-07-16 | 2019-07-16 | Porous large table-board folding workbench |
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|---|---|---|---|---|
| DE202006007062U1 (en) * | 2006-04-30 | 2006-07-06 | Kleppel, Stefan | Multifunction work bench of modular construction has modular, expandable construction with profiled tubes to which foot stands can be attached for various working stations, accessories, machine mounting plates, stops etc |
| JP2013146815A (en) * | 2012-01-18 | 2013-08-01 | Ishikame Kogyo:Kk | Workbench |
| CN205184712U (en) * | 2015-09-23 | 2016-04-27 | 苏州宝时得电动工具有限公司 | Workbench |
| CN207223908U (en) * | 2017-08-10 | 2018-04-13 | 金华市纬世工具有限公司 | A kind of workbench |
| CN210500148U (en) * | 2019-07-16 | 2020-05-12 | 金华市亚虎工具有限公司 | Porous large table-board folding workbench |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7628186B2 (en) * | 2007-04-04 | 2009-12-08 | Gary Joseph Blum | Portable workbench |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006007062U1 (en) * | 2006-04-30 | 2006-07-06 | Kleppel, Stefan | Multifunction work bench of modular construction has modular, expandable construction with profiled tubes to which foot stands can be attached for various working stations, accessories, machine mounting plates, stops etc |
| JP2013146815A (en) * | 2012-01-18 | 2013-08-01 | Ishikame Kogyo:Kk | Workbench |
| CN205184712U (en) * | 2015-09-23 | 2016-04-27 | 苏州宝时得电动工具有限公司 | Workbench |
| CN207223908U (en) * | 2017-08-10 | 2018-04-13 | 金华市纬世工具有限公司 | A kind of workbench |
| CN210500148U (en) * | 2019-07-16 | 2020-05-12 | 金华市亚虎工具有限公司 | Porous large table-board folding workbench |
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