CN210500148U - Porous large table-board folding workbench - Google Patents
Porous large table-board folding workbench Download PDFInfo
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- CN210500148U CN210500148U CN201921110235.0U CN201921110235U CN210500148U CN 210500148 U CN210500148 U CN 210500148U CN 201921110235 U CN201921110235 U CN 201921110235U CN 210500148 U CN210500148 U CN 210500148U
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- 239000000463 material Substances 0.000 claims description 5
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Abstract
The utility model relates to a porous large table-board folding workbench, which comprises a large table-board and foot rests, wherein the side surfaces around the large table-board are all provided with clamping section bars, the clamping section bars are provided with clamping grooves, and the clamping grooves are stepped grooves with wide inner parts and narrow outer parts; chamfer connecting pieces are connected between two adjacent clamping profiles at four right angles of the large table top; the left foot rest comprises two parallel left foot rods, and a folding stay bar 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. The utility model adds clamping section bars around the large table-board, and the external clamp can slide in the clamping section bars and be installed at each part around the large table-board arbitrarily; folding stays are arranged between the foot rest and the large table top, the spring pieces with pins are used for positioning the unfolding and folding of the stays, and the hinged parts 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, the folding and positioning can be completed by one hand, and the folding and positioning device is quick and convenient.
Description
Technical Field
The utility model belongs to carpenter's work workstation, concretely relates to porous big mesa folding workbench.
Background
The table top of the large-scale workbench has large area and can meet the processing requirements of large-scale workpieces. Because the large-scale workpiece has a large specification, other clamps need to be applied to assist in fixing the workpiece, and therefore, the large-scale table top should have a corresponding structure for installing an external clamp. Meanwhile, in order to improve the practicability of the large table top and expand the application range, mounting holes and mounting grooves are reserved on the large table top, and the large table top can be used for fixing small-specification workpieces after being matched with a clamp. The technical personnel of the unit aim at the problem that the structure of the large table top is improved.
The large-scale workstation is bulky and heavy. In order to facilitate operations such as moving or folding the foot rest, a handle is usually mounted on a structure such as a table top or the foot rest. If the length and the installation position of the handle exceed the overall outline range of the workbench, the handle is designed to be foldable in order to avoid the influence of the handle on the normal operation process, and the folding operation is convenient and quick as much as possible.
In order to make the work bench apparatus easy to store and carry, the foot rest of the work bench is usually made foldable, and in order to improve the support stability, a stay is usually connected between the foot rest and the table top, and between the foot bar and the foot bar. The basic structure of the stay is a link mechanism, and a positioning structure is added at the hinged part of the link mechanism. The folding operation of the stay needs to be performed in cooperation with the folding operation of the entire foot stool, and therefore, the folding operation of the stay should be completed by one-handed operation with a sufficient and stable point of application.
Disclosure of Invention
The utility model discloses mainly to the above-mentioned problem of large-scale workstation, invented a porous big mesa folding table, add the clamping section bar around the big mesa, the external fixture can slide in the clamping section bar and install in each position around the big mesa wantonly; the board surface of the large table top is provided with an installation rail and an installation groove, and the installation groove is used for installing an external clamp and can also be used for fixing the cutting saw; folding stays are arranged between the foot rest and the large table top, the spring pieces with pins are used for positioning the unfolding and folding of the stays, the hinged parts can be held by a single hand, and the pins are pressed by thumbs or other fingers for folding operation; a handle folding mechanism is additionally arranged on the foot rod, the spring piece with a pin is mainly used for realizing rotary folding and positioning, and the handle controls the pin to stretch by virtue of an elastic pressing piece to realize folding control; the folding operation can be completed by one hand, and is quick and convenient.
The above technical problem of the present invention can be solved by the following technical solutions: the utility model provides a porous big mesa folding workbench, includes the foot rest of square big mesa, the big mesa of support, its characterized in that, the side all around of big mesa all is provided with one section clamping section bar, and the clamping section bar is the slat form, and the face outwards of clamping section bar is provided with the clamping groove of one indent, and the clamping groove is the ladder groove of interior wide outer 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 clamps provide a horizontal thrust from the lateral edges.
The chamfering connecting piece is a 90-degree bent plate, two dismounting ports are respectively arranged on two sides of the middle of the chamfering connecting piece and corresponding to the clamping grooves, and an external clamp is embedded into the clamping section or quits the clamping section through the dismounting ports.
The left end of the large table top is provided with a handle piece, 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 respectively provided with a chuck which is relatively raised, and the chucks are embedded into clamping grooves for clamping the sectional materials. The handle piece and the clamping section bar are matched to form detachable connection.
The foot rests comprise 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 stand and the right foot stand are respectively hinged with the large table top in a rotating mode, the left foot stand and the right foot stand are identical in structure, the left foot stand comprises two left foot rods which are arranged side by side, and a folding supporting strip is connected between each left foot rod and the large table top.
The folding supporting strips comprise a first supporting strip and a second supporting strip which are hinged with each other, the upper ends of the first supporting strips are hinged to the lower bottom surface of the large table top, the lower ends of the first supporting strips are provided with shaft holes, the lower ends of the second supporting strips are hinged to the left foot rod, the upper ends of the second supporting strips are provided with shaft holes, and the rotating shafts are connected in the two aligned shaft holes; and a pressing mechanism for positioning unfolding and folding is arranged at the hinged part of the first stay and the second stay.
The pressing mechanism comprises a pressing elastic sheet in a three-section up-and-down bending shape, one end of the pressing elastic sheet is a fixing part and is provided with an installation through hole, and the fixing part is connected to the rotating shaft through the installation through hole; the other end of the pressing elastic sheet is a pressing part and is provided with a vertically raised pin, and meanwhile, pin positioning holes are formed in the corresponding parts 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, the board surface of the large table top is provided with two parallel downward-concave cuboid-shaped fixing grooves, each fixing groove is fixedly connected with an installation rail for clamping a clamp and a cutting saw, the middle part of each installation rail is provided with a downward-concave installation groove, the installation groove extends from one end to the other end of the installation rail, and a notch of the installation groove is provided with a horizontal inward-extending convex limiting strip; the height of the whole mounting rail is lower than the depth of the fixing groove. The mounting groove can also be used for mounting an external clamp, the external clamp is provided with a standard T-shaped connector, and the T-shaped connector is correspondingly embedded into the mounting groove; the external clamp provides a vertically downward compressive force from the vertical.
Preferably, the board surface of the large table board is provided with a plurality of table board through holes arranged in a matrix, the board surface of the large table board is provided with a plurality of clamping blocks, and the lower parts of the clamping blocks are fixedly connected with the connecting columns.
Preferably, the lower ends of the two vertical rods of the handle piece are connected with the wheel shaft, and the two ends of the wheel shaft are connected with the rollers; in order to increase the stability of the handle member, a tripod is connected between the wheel axle and the large table. 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 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 folded edge 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 folded edge is L-shaped, and the second folded edge covers the outer side of the first folded edge.
Preferably, the hinged part of the second stay and the plate surface close to the lower edge are provided with at least one obliquely arched finger fulcrum, and the finger fulcrum is used for placing fingers and applying acting force.
Preferably, the handle folding mechanism is connected to the outer side of the upper portion of each right foot rod of the right foot stand, and comprises a horizontally arranged handle, a dynamic hinge seat arranged at the inner end of the handle, and a static hinge seat rotationally hinged to the dynamic hinge seat, wherein the static hinge seat is fixedly connected to the right foot rod.
The static hinge seat comprises two parallel static hinge plates, and first shaft holes are formed in the two static hinge plates; the dynamic hinge seat comprises two parallel dynamic hinge plates, and second shaft holes are formed in the two dynamic hinge plates; the two dynamic hinged plates are correspondingly clamped at the outer sides of the two static hinged plates respectively, and the aligned first shaft hole and the aligned second shaft hole are connected with the central rotating shaft; an elastic pressing mechanism used for adjusting the folded state is arranged between the static hinged seat and the dynamic hinged seat.
The elastic pressing mechanism comprises a U-shaped bent second spring piece, a second pin fixed on the second spring piece and close to the opening end of the second spring piece, and a pressing piece used for pressing the second pin.
The spring piece is arranged between the two static hinged plates of the static hinged seat, two sides of the spring piece are abutted against the two static hinged plates, and meanwhile, pin jacks are respectively arranged on the corresponding static hinged plate and the corresponding dynamic hinged plate, so that a second pin of the second spring piece can be correspondingly inserted into the pin jack.
The pressing piece is arranged on the outer side of the dynamic hinge seat and is a bent strip plate piece 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 arranged on the outer side of the pin jack; by applying external pressure to the pressing portion, the second pin can be pushed from the outside to the inside to be separated from the pin insertion hole.
When the device is used, the handle, the dynamic hinge seat and the static hinge seat are positioned on the same horizontal straight line, and the dynamic hinge seat and the static hinge seat are limited and fixed by utilizing the pin to match with the pin jack; when the folding operation is carried out, the hand holds the hinged end of the handle, and the thumb is placed on the pressing piece; after applying the effort for pressing the splenium of pressing the pressing part, the pin is promoted to breaking away from the pin jack, simultaneously, and manual upset developments are articulated to vertical state downwards, accomplish and fold.
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; then in the expanded state the dynamic ceiling overlies the static ceiling.
Preferably, the plate surfaces of the two dynamic hinge plates close to the lower edges are provided with at least one obliquely arched finger fulcrum, and the finger fulcrum is used for placing fingers and applying acting force. When the folding operation is carried out, the hand holds the hinged end of the handle, and fingers can be correspondingly placed at the finger supporting points, so that a stable force application point is provided.
Preferably, the pressing piece is made of elastic materials, and the pressing part is inclined and expands outwards 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 convex part is firstly contacted with the pin.
To sum up, compared with the prior art, the utility model has the following advantages:
the utility model adds clamping section bars around the large table-board, the external clamp can slide in the clamping section bars and be installed at each part around the large table-board arbitrarily, which is convenient for fixing large-scale workpieces; the face of big mesa has mounting rail and mounting groove, and the mounting groove can also fix the slitting saw except being used for installing outside anchor clamps, improves the practicality of workstation, expands the application scope of workstation.
The utility model discloses a folding stay adopts the spring leaf of taking the pin to fix a position the expansion and folding of stay, but the articulated position is held to the one hand, presses down the pin with thumb or other fingers and fold operation, convenient and fast.
The utility model discloses a folding handle mechanism, have static articulated seat and dynamic articulated seat, utilize the spring leaf of taking the pin to realize folding and location between the two, the handle borrows the flexible of a plastic pressing piece control pin, realizes folding control; the utility model discloses a folding operation, single hand just can be accomplished, and is convenient fast.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
figure 4 is a cross-sectional view of the clamping profile of the present invention;
fig. 5 is a cross-sectional view of the mounting groove and mounting rail of the present invention;
FIG. 6 is a schematic structural view of the right foot rest of the present invention;
fig. 7 is an enlarged view of the folding 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 numbers in the figures are: 1. a large table top; 1-1, clamping a section; 1-11, clamping grooves; 1-2, chamfering the connecting piece; 1-21, a disassembly and assembly port; 1-3, fixing grooves; 1-4, installing a rail; 1-41, mounting groove; 1-42, restriction strips; 1-5, a table top through hole; 1-6, a clamping block; 1-7, a handle member; 1-71, vertical bar; 1-72, a cross bar; 1-8, rollers;
2. a foot rest; 2-1, a left foot rest; 2-11, left foot bar; 2-2, a right foot rest;
5. folding the stay; 5-1, a first stay; 5-11, a first folded edge; 5-2, a second stay; 5-22, second folding; 5-3, shaft hole; 5-4, a rotating shaft; 5-5, pressing the elastic sheet; 5-51, mounting through holes; 5-6, pins; 5-7, pin positioning holes; 5-8, finger fulcrums;
9. a handle folding mechanism; 9-1, a static hinge seat; 9-10, static hinged plate; 9-11, a first shaft hole; 9-13, a static top plate; 9-2, a dynamic hinged seat; 9-20, dynamic hinge plates; 9-22, second shaft hole; 9-23, dynamic roof; 9-3, a handle; 9-4, a central rotating shaft; 9-5, a second spring piece; 9-51, a second pin; 9-6, a pressing piece; 9-61, a fixed part; 9-62, a pressing part; 9-7 and pin insertion holes.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
as shown in fig. 1, 2 and 3, a porous large table-board folding workbench comprises a rectangular large table-board 1 and a foot rest 2 for supporting the large table-board 1; the side all around of big mesa 1, fixed one section clamping section bar 1-1 that covers on each side, clamping section bar 1-1 is wide and flat slabby, as shown in fig. 4, the face outwards of clamping section bar 1-1 is provided with the clamping groove 1-11 of indent one, and clamping groove 1-11 is inside wide narrow ladder groove outward, and clamping groove 1-11 extends to the other end from the one end of clamping section bar 1-1.
The chamfering connecting piece 1-2 is connected between two adjacent clamping sectional materials 1-1 at four right angles of the large table board 1, the chamfering connecting piece 1-2 is a 90-degree arc-shaped bent plate, the positions, corresponding to the clamping grooves 1-11, of two sides of the middle of the chamfering connecting piece 1-2 are provided with dismounting openings 1-21, and external clamps are embedded into the clamping sectional materials 1-1 from the dismounting openings 1-21 or quit from the clamping sectional materials 1-1.
Dozens of table top through holes 1-5 which are uniformly arranged in a matrix are formed in the surface of the large table top 1, clamping blocks 1-6 are connected in the table top through holes 1-5, connecting columns are fixed below the clamping blocks 1-6 and inserted into the table top through holes 1-5.
The middle part of the large table board 1 is provided with two parallel fixing grooves 1-3, the fixing grooves 1-3 are concave grooves, the sections of the grooves are rectangular, a certain distance is reserved between the two fixing grooves 1-3, the fixing grooves 1-3 are parallel to the shorter side of the large table board 1, and the fixing grooves 1-3 vertically extend from one side of the large table board 1 to the other side.
As shown in fig. 5, a mounting rail 1-4 for clamping the clamp and the cutting saw is fixedly connected in each fixing groove 1-3 through a screw; the integral height of the mounting rails 1-4 is lower than the depth of the fixing grooves 1-3, and when the mounting rails 1-4 are not used, the mounting rails 1-4 are hidden in the fixing grooves 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 horizontally extends inwards and protrudes; the position height of restriction strip 1-42 is higher than the notch and for the upper surface epirelief of mounting rail 1-4, simultaneously, still the symmetry sets up the support bar of the cuboid of a set of epirelief in the upper surface of mounting rail 1-4 and the both sides of mounting groove 1-41, when mounting fixture and slitting saw, can reduce its and mounting rail 1-4 friction.
The handle part 1-7 is connected with the short left end of the side edge of the large table top 1, and the handle part 1-7 comprises two vertical rods 1-71 which are vertically arranged and are parallel to each other and cross rods 1-72 which are fixed at the upper ends of the two vertical rods 1-71; a certain distance is reserved between the two vertical rods 1-71, a clamping head which is relatively convex is fixed in the middle of each vertical rod 1-71, and the clamping head is embedded into clamping grooves 1-11 of the clamping section bar 1-1; the lower ends of the two vertical rods 1-71 are connected with wheel shafts, and the two ends of each wheel shaft are connected with the rollers 1-8; a triangular tripod in a right-angled triangle shape is respectively connected between the two ends of the wheel shaft and the lower bottom surface of the large table board 1, so that the stability of the handle parts 1-7 is improved.
The foot rest 2 comprises a left foot rest 2-1 positioned at the left end of the large table board 1 and a right foot rest 2-2 positioned at the right end of the large table board 1; the upper ends of a left foot stand 2-1 and a right foot stand 2-2 are respectively rotatably hinged with a large table board 1, the structures of the left foot stand 2-1 and the right foot stand 2-2 are the same, concretely, the left foot stand 2-1 comprises two left foot rods 2-11 side by side, the upper ends of the two left foot rods 2-1 are simultaneously connected with a long rotating shaft, meanwhile, two bearing seats are installed on the lower bottom surface of the large table board 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 stand 2-1 is rotatably hinged with the large table board 1.
The structure of the right foot rest 2-2 is the same as that of the left foot rest 2-1; the connecting structure of the right foot rest 2-2 and the large table top 1 is the same as the connecting 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 rod 2-11 and the lower bottom surface of the large table top 1; a folding stay 5 is connected between each right foot rod 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 hinged with each other, and the first stay 5-1 and the second stay 5-2 are long 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 on the upper part of the left foot bar 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.
A pressing mechanism for positioning the unfolding and folding of the stay is arranged at the hinged part of the first stay 5-1 and the second stay 5-2, and specifically, the pressing mechanism is a pressing elastic sheet 5-5 in a three-section wavy and bent shape; one end of the pressing elastic sheet 5-5 is a fixed part and is provided with an installation through hole 5-51, and the fixed part is connected with the rotating shaft 5-4 through the installation through hole 5-51; the other end of the pressing elastic sheet 5-5 is a pressing part and is provided with a pin 5-6 which is vertically raised; meanwhile, pin positioning holes 5-7 are formed in the corresponding parts of the first supporting strip 5-1 and the second supporting strip 5-2, so that a pin 6 can be inserted into the pin positioning holes 5-7; the fixing part and the pressing part of the pressing elastic sheet 5-5 are connected and transited by a V-shaped bending part.
One upward side edge 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; one upward side edge of the second stay 5-2 is provided with a second folding edge 5-22 which is vertically folded, the section of the second folding edge is L-shaped, and the second folding edge 5-22 covers the outer side of the first folding edge 5-11.
The plate surface at the hinged part of the second stay 5-2 and 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 hinged parts of the folding supporting strips, the index finger and the middle finger can be respectively placed at the positions of the finger pivots 5-8, the thumb can press the pins 5-6 to separate from the pin positioning holes 5-7, meanwhile, the supporting strips are manually turned over, and finally the foot rest is driven to be folded.
The lower part of one left foot rod 2-1 of the left foot frame 2-1 is bent, and specifically, the left foot rod is firstly inclined downwards and outwards expanded and then vertically downwards; nuts are arranged at the centers of the lower end faces of the two left foot rods 2-1, fine tuning studs are connected to the nuts, and the heads of the fine tuning studs are in contact with the ground; similarly, the lower part of one right foot rod of the right foot frame 2-2 is bent, specifically, the right foot rod is inclined downwards and expands outwards and then vertically downwards; nuts are arranged at the centers of the lower end faces of the two right foot rods, fine tuning studs are connected to the nuts, and the heads of the fine tuning studs are in contact 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 foot rod of the right foot stand 2-2, the handle folding mechanism 9 comprises a horizontally arranged columnar handle 9-3, a dynamic hinge seat 9-2 fixed at the inner end of the handle 9-3, and a static hinge seat 9-1 rotatably hinged with the dynamic hinge seat 9-2, and the static hinge seat 9-1 is fixedly connected to the right foot rod.
The static hinge seat 9-1 is in an inverted U shape and comprises two parallel static hinge plates 9-10, horizontal static top plates 9-13 are fixed on the two static hinge plates 9-10, and first shaft holes 9-11 are symmetrically formed in 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 connection mode of the static articulated seat 9-1 and the dynamic articulated seat 9-2 is as follows: the dynamic hinge seat 9-2 covers the outside of the static hinge seat 9-1, wherein the dynamic top plate 9-23 covers the static top plate 9-13, the two dynamic hinge plates 9-20 are respectively clamped at the outside of the two static hinge plates 9-10, the 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 formed by rotating bolts and nuts, and the dynamic hinge seat 9-2 can be rotatably folded relative to the static hinge seat 9-1, and the rotating angle is 90 degrees.
An elastic pressing mechanism is arranged between the static hinged seat 9-1 and the dynamic hinged seat 9-2 to control the folding action of the handle 9-3; specifically, a second spring leaf 9-5 bent in a U shape is installed in the static hinge seat 9-1, wherein the closed end of the second spring leaf 9-5 faces the direction of the handle 9-3, and two sides of the second spring leaf 9-5 respectively abut against the two corresponding static hinge plates 9-10; a second pin 9-51 is fixed at one side of the opening end of the second spring piece 9-5; meanwhile, pin insertion holes 9-7 are formed in the static hinge plates 9-10 and the dynamic hinge plates 9-20 on the side close to the second pins 9-51 and aligned with the second pins 9-51, so that the second pins 9-51 can be inserted into the pin insertion holes 9-7 correspondingly.
A pressing piece 9-6 is arranged on the outer side of the dynamic hinge seat 9-2, and the pressing piece 9-6 is positioned on one side close to the second pin 9-51; specifically, the pressing member 9-6 is a bent strip member, and includes 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 rotating 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 with elasticity, the pressing portion 9-62 is inclined and expanded outwards relative to the fixing portion 9-61 and the dynamic hinge plate 9-20, a convex portion is arranged at the center of the surface of the pressing portion 9-62 facing the direction of the pin 9-51, when the pressing portion 9-62 is pressed, the convex portion is firstly contacted with the pin 9-51, and then the second pin 9-51 is pushed from the outside to the inside 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 respectively abut against the two static hinge plates 9-10; the closed end of the second spring plate 9-5 faces the direction of the handle 9-3, the closed end of the second spring plate 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 outward turned folded edges, and the folded edges are respectively positioned above and below the central rotating shaft 9-4.
In order to provide the proper force application point, at least one inclined arched finger supporting point 5-8 is arranged on the plate surface of the two dynamic hinge plates 9-20 close to the lower edge, and the finger supporting point 5-8 is used for placing fingers and applying force.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. A porous large-table-board folding workbench comprises a square large table board (1) and foot frames (2) for supporting the large table board, and is characterized in that the peripheral side surfaces of the large table board are provided with a section of clamping section bar (1-1), the clamping section bar is in a strip plate shape, the outward surface of the clamping section bar is provided with an inward concave clamping groove (1-11), the clamping groove is a stepped groove with wide inner part and narrow outer part, and the clamping groove extends from one end of the clamping section bar to the other end;
at four right angles of the large table top, a chamfer connecting piece (1-2) is connected between two adjacent clamping profiles, the chamfer connecting piece is a 90-degree bent plate, the two sides of the middle part of the chamfer connecting piece and the parts corresponding to the clamping grooves are respectively provided with a dismounting opening (1-21), and an external clamp is embedded into the clamping profiles or quits from the clamping profiles through the dismounting openings;
a handle piece (1-7) is arranged at the left end of the large table top and comprises two vertical rods (1-71) which are vertically arranged and are parallel to each other and handle cross rods (1-72) fixed at the upper ends of the two vertical rods; the middle parts of the two vertical rods are respectively provided with a chuck which is relatively raised, and the chucks 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 stand and the right foot stand are respectively hinged with the large table top in a rotating way, the left foot stand and the right foot stand have the same structure, the left foot stand comprises two left foot rods (2-11) which are arranged side by side, and a folding stay (5) is connected between each left foot rod and the large table top;
the folding supporting strips comprise a first supporting strip (5-1) and a second supporting strip (5-2) which are hinged with each other, the upper end of the first supporting strip is hinged to the lower bottom surface of the large table top, the lower end of the first supporting strip is provided with a shaft hole (5-3), the lower end of the second supporting strip is hinged to the left foot rod, the upper end of the second supporting strip is provided with a shaft hole, and a rotating shaft (5-4) is connected into the two aligned shaft holes; a pressing mechanism for positioning, unfolding and folding is arranged at the hinged part of the first stay and the second stay;
the pressing mechanism comprises three sections of pressing elastic sheets (5-5) which are bent in a fluctuating way, one end of each pressing elastic sheet is a fixing part and is provided with an installation through hole (5-51), and the fixing part is connected with the rotating shaft through the installation through hole; the other end of the pressing elastic sheet is a pressing part and is provided with a pin (5-6) which is vertically raised, and meanwhile, pin positioning holes (5-7) are arranged at the corresponding parts 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.
2. The porous large table top folding workbench according to claim 1, wherein the plate surface of the large table top is provided with two side-by-side concave cuboid-shaped fixing grooves (1-3), each fixing groove is fixedly connected with a mounting rail (1-4) for clamping a clamp and a cutting saw, the middle part of the mounting rail is provided with a concave mounting groove (1-41), the mounting groove extends from one end to the other end of the mounting rail, and the notch of the mounting groove is provided with a horizontal inward extending convex limiting strip (1-42); the height of the whole mounting rail is lower than the depth of the fixing groove.
3. The porous large table-board folding workbench according to claim 2, wherein the board surface of the large table-board is provided with a plurality of table-board through holes (1-5) arranged in a matrix, the board surface of the large table-board is provided with a plurality of clamping blocks (1-6), and the connecting columns are fixed below the clamping blocks.
4. A multi-hole large table folding work bench as claimed in claim 1, wherein the handle member, the lower ends of the two vertical rods are connected to the wheel axle, and the two ends of the wheel axle are connected to the rollers (1-8).
5. The multi-aperture large-deck folding work bench of claim 1 wherein one side of the first stay has a first vertically turned flap (5-11) having an L-shaped cross-section; one side of the second stay 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 covers the outer side of the first folded edge.
6. Perforated large table folding work bench according to claim 1, characterized in that the hinged part of the second stay, near the lower edge of the board, is provided with at least one obliquely arched finger support (5-8) for finger placement and force application.
7. The porous large table-board folding workbench according to claim 1, wherein the right foot rest, the outer side of the upper part of each right foot rod is connected with a handle folding mechanism (9), the handle folding mechanism comprises a horizontally arranged handle (9-3), 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, and the static hinging seat is fixedly connected with the right foot rod;
the static hinge seat comprises two parallel static hinge plates (9-10), and first shaft holes (9-11) are formed in the two static hinge plates; 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 hinged plates are correspondingly clamped at the outer sides of the two static hinged plates respectively, and the aligned first shaft hole and the aligned second shaft hole are connected with a central rotating shaft (9-4); an elastic pressing mechanism for adjusting the folded state is arranged between the static hinge seat and the dynamic hinge seat;
the elastic pressing mechanism comprises a U-shaped bent second spring piece (9-5), 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 the two static hinged plates of the static hinged seat, two sides of the second spring piece are abutted against the two static hinged plates, and meanwhile, pin jacks (9-7) are respectively arranged on the corresponding static hinged plate and the corresponding dynamic hinged plate, so that a second pin of the second spring piece can be correspondingly inserted into the pin jack;
the pressing piece is positioned on the outer side of the dynamic hinge seat, 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 part, the pin can be pushed from outside to inside to be separated from the pin insertion hole.
8. A multi-aperture large table folding work bench according to claim 7 wherein the static hinge mount is inverted U-shaped with a horizontal static top plate (9-13) above the two static hinge plates; the dynamic hinged seat is in an inverted U shape, and a horizontal dynamic top plate (9-23) is connected on the two dynamic hinged plates; then in the expanded state the dynamic ceiling overlies the static ceiling.
9. A multi-aperture large-table folding work bench as claimed in claim 7 wherein the faces of the two dynamically hinged panels adjacent the lower edge are each provided with at least one obliquely arched finger rest (5-8) for finger placement and application of force.
10. The multi-hole large table top folding table as claimed in claim 7, wherein the pressing member is made of elastic material, and the pressing portion is inclined and expanded outwards relative to the fixing portion 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 convex part is firstly contacted with the second pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110235.0U CN210500148U (en) | 2019-07-16 | 2019-07-16 | Porous large table-board folding workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110235.0U CN210500148U (en) | 2019-07-16 | 2019-07-16 | Porous large table-board folding workbench |
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| Publication Number | Publication Date |
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| CN210500148U true CN210500148U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921110235.0U Withdrawn - After Issue CN210500148U (en) | 2019-07-16 | 2019-07-16 | Porous large table-board folding workbench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238803A (en) * | 2019-07-16 | 2019-09-17 | 金华市亚虎工具有限公司 | A kind of porous big table top foldable workbench |
-
2019
- 2019-07-16 CN CN201921110235.0U patent/CN210500148U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238803A (en) * | 2019-07-16 | 2019-09-17 | 金华市亚虎工具有限公司 | A kind of porous big table top foldable workbench |
| CN110238803B (en) * | 2019-07-16 | 2024-02-02 | 金华市亚虎工具有限公司 | Porous large table-board folding workbench |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Lianguan Technology Co.,Ltd. Assignor: JINHUA YAHU TOOLS Co.,Ltd. Contract record no.: X2021330000250 Denomination of utility model: Multi hole large table folding table Granted publication date: 20200512 License type: Common License Record date: 20210914 |
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| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Zhejiang Lianguan Technology Co.,Ltd. Assignor: JINHUA YAHU TOOLS Co.,Ltd. Contract record no.: X2021330000250 Date of cancellation: 20230315 |
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Granted publication date: 20200512 Effective date of abandoning: 20240202 |
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