CN211362665U - X-shaped multifunctional support - Google Patents

Abstract

The utility model relates to an X-shaped multifunctional support, which comprises a first foot rest, a second foot rest and a cross bar, and is characterized in that the first foot rest comprises a first mounting seat positioned in the middle part, the front side of the lower part of the first mounting seat is fixedly connected with a first front foot bar, the rear side of the lower part of the first mounting seat is rotatably hinged with a first rear foot bar, and a rotary limiting structure is arranged between the first rear foot bar and the first mounting seat; the front side of the upper part of the first mounting seat is rotatably hinged with a first front swing rod, the rear side of the upper part of the first mounting seat is fixedly connected with a first rear swing rod, and a rotary limiting structure is arranged between the first front swing rod and the first mounting seat; when the front swing rod and the rear swing rod are unfolded, the front swing rod and the rear swing rod gradually diverge from the lower end to the upper end and expand outwards; the first front swing rod can be overturned to be parallel to and close to the first rear swing rod. The utility model is provided with the fixing seat with special shape which is connected with the foot rod and the swing rod at the same time, can be folded and deformed and is convenient to carry; and add the sawtooth bracket, can provide multiple different bearing structure, it is more practical.

Description

X-shaped multifunctional support

Technical Field

The utility model belongs to carpenter's support field, concretely relates to multi-functional support of X type can carry out multiple structural deformation, the support requirement that does not when satisfying the carpenter's operation.

Background

During woodworking, a support is needed to assist in supporting wood. The existing support has the advantages of simple structure, solidification without deformation, inconvenience for carrying, single function and incapability of meeting various support requirements of wood.

Disclosure of Invention

The utility model mainly aims at the problems, the invention provides an X-shaped multifunctional bracket, which is characterized in that a fixed seat in a special shape is simultaneously connected with a foot rod and a swing rod, so that the bracket can be folded and deformed and is convenient to carry; and add the sawtooth bracket, can provide multiple different bearing structure, it is multi-functional, more practical.

The above technical problem of the present invention can be solved by the following technical solutions: an X-shaped multifunctional support comprises a first foot rest, a second foot rest and a cross rod, wherein the first foot rest and the second foot rest are arranged in parallel, and the cross rod is supported by the first foot rest and the second foot rest together; when the foldable bicycle is unfolded, the first front foot rod and the first rear foot rod gradually diverge from the upper end to the lower end and expand outwards; the first rear foot bar can be turned to be parallel to and close to the first front foot bar.

The front side of the upper part of the first mounting seat is rotatably hinged with a first front swing rod, the rear side of the upper part of the first mounting seat is fixedly connected with a first rear swing rod, and a rotary limiting structure is arranged between the first front swing rod and the first mounting seat; when the front swing rod and the rear swing rod are unfolded, the front swing rod and the rear swing rod gradually diverge from the lower end to the upper end and expand outwards; the first front swing rod can be overturned to be parallel to and close to the first rear swing rod.

The first foot rest and the second foot rest have the same structure, and the second foot rest comprises a second mounting seat positioned in the middle, a second front swing rod and a second rear swing rod positioned on the upper portion, and a second front foot rod and a second rear foot rod positioned on the lower portion.

A front cross rod is connected between the first front swing rod and the second front swing rod, and a rear cross rod is connected between the first rear swing rod and the second rear swing rod; and the front cross rod or the rear cross rod is provided with a sawtooth bracket. The sawtooth bracket is used for supporting the log.

The first front swing rod, the second front swing rod and the front cross rod form a whole and move synchronously; the first rear swing rod, the second rear swing rod and the rear cross rod form an integral two-step motion; through rotation and positioning, the former and the latter can be V-shaped and separated, and can also be attached side by side.

The first front foot rod and the second front foot rod form an integral body to move synchronously; the first rear foot rod and the second rear foot rod form an integral body and move synchronously; the former and the latter can be V-shaped and supported by a fork, and can also be attached side by side.

Preferably, the sawtooth bracket comprises a V-shaped structural member, and the inner side edge opposite to the position of the V-shaped structural member is provided with a concave-convex sawtooth edge. The sawtooth bracket is mainly used for supporting the round timber, and the round timber is arranged in a V-shaped sawtooth edge space formed by the sawtooth bracket.

Preferably, the sawtooth bracket is rotatably hinged to the rear cross bar through a hinge, and a rotation limiting structure for limiting the rotation direction and the rotation angle of the sawtooth bracket is further arranged between the sawtooth bracket and the rear cross bar. The rotary limiting structure is used for adjusting the relative position of the sawtooth bracket and enabling the sawtooth bracket to be positioned above the front cross rod and the rear cross rod when supporting the round timber; when supporting plate-shaped timber, the sawtooth brackets are positioned below the front cross bar and the rear cross bar, and the timber is supported by the front cross bar and the rear cross bar.

Preferably, the sawtooth bracket is arranged into a fan-shaped structural part, and one side edge of the fan-shaped structural part is arranged into a concave-convex sawtooth edge; two fan-shaped structural members are symmetrically arranged on the rear cross rod, and a V-shaped sawtooth edge area with an upward opening can be formed between the two fan-shaped structural members; the log can be clamped in the V-shaped sawtooth edge area to prevent the log from rolling.

Preferably, the fan-shaped structural part is arranged as a fan-shaped plate, the upward side edge of the fan-shaped plate is a concave-convex sawtooth edge, the circle center part of the fan-shaped plate is hinged to the middle part of the rear cross rod through a shaft, the surface, close to the arc-shaped edge, of the fan-shaped plate is provided with an arc-shaped rotation limiting groove, and a rotation limiting part is connected between the rotation limiting groove and the rear cross rod; the sawtooth bracket can relatively overturn upwards to form a V-shaped sawtooth area, and the sawtooth bracket can overturn relatively downwards to be positioned below the rear cross rod.

Or the fan-shaped structural part is arranged into two parallel fan-shaped plate parts, the upward side edges of the two fan-shaped plate parts are concave-convex sawtooth edges, and the downward side edges of the two fan-shaped plate parts are vertically connected with the connecting plate; the circle center part of the fan-shaped structural part is hinged to the middle part of the rear cross rod through a shaft, the two parallel fan-shaped plates are respectively positioned at two sides of the rear cross rod, the plate surfaces of the two fan-shaped plates, which are close to the arc-shaped edge, are provided with an arc-shaped rotation limiting groove, and a rotation limiting part is connected between the two rotation limiting grooves and the rear cross rod; the sawtooth bracket can relatively overturn upwards to form a V-shaped sawtooth area, and the sawtooth bracket can overturn relatively downwards to be positioned below the rear cross rod.

Specifically, in two parallel fan-shaped plate pieces, a plurality of limiting holes are distributed at intervals on a rotating limiting groove of one fan-shaped plate piece, the diameter of each limiting hole is larger than the width of each limiting groove, the rotating limiting piece can adopt a rivet and a screw with a clamping head at the end and is matched with a nut for use, the whole limiting piece penetrates through the two limiting grooves, and the clamping head is tightly attached to the outer side of the limiting groove of the fan-shaped plate piece in a rotating state; when the position is limited, the clamping head is correspondingly embedded in the limiting hole to form the position limitation.

Preferably, the first mounting seat is a plate, a fixing hole is formed in the plate surface of the lower left corner of the first mounting seat, and the plate surface of the lower left corner is fixedly connected with the upper end of the first front foot rod through a fastening piece; a plate surface at the upper right corner of the first mounting seat is provided with a fixing hole, and the plate surface at the upper right corner is fixedly connected with the lower end of the first rear swing rod through a fastener; the plate surface of the upper left corner of the first mounting seat is provided with a hinge hole and an arc-shaped limiting groove, the plate surface of the upper left corner is hinged with the lower end of the first front oscillating bar, a limiting part is connected in the arc-shaped limiting groove, and the limiting part is connected with the first front oscillating bar; the board in the lower right corner of first mount pad is provided with hinge hole and an curved spacing groove, and the board in this lower right corner is articulated with the upper end of first back foot bar to connect the locating part in curved spacing groove, this locating part is connected in first back foot bar.

Specifically, the first mounting seat is arranged as a plate, the main body of the first mounting seat is a square plate with four rounded corners, and edges of two sides of the plate are in a V shape and are recessed; the left lower corner of the first mounting seat is provided with a strip-shaped first front foot rod mounting part which extends downwards in an inclined way; the right upper corner of the first mounting seat is provided with a strip-shaped first rear swing rod mounting part which extends upwards in an inclined mode; the plate surface of the upper left corner of the first mounting seat is provided with a hinge hole and an arc-shaped hollowed-out rotary limiting groove; the lower end of the first front swing rod is hinged to the upper left corner of the first mounting seat through a shaft, and meanwhile, the lower end of the first front swing rod is also connected with a positioning piece which penetrates through the rotary limiting groove; the plate surface of the lower right corner of the first mounting seat is provided with a hinge hole and an arc-shaped hollowed-out rotary limiting groove; and the upper end of the first rear foot rod is hinged to the lower right corner of the first mounting seat through a shaft, and meanwhile, the upper end of the first rear foot rod is also connected with a positioning piece which penetrates through the rotary limiting groove.

Preferably, an auxiliary mounting plate is arranged on the inner side of the first mounting seat, the auxiliary mounting plate and the first mounting seat are parallel and parallel, the first mounting seat and the auxiliary mounting plate clamp the ends of the first front foot rod and the first rear swing rod in the middle and are fixed together with the first front foot rod and the first rear swing rod, and the first mounting seat and the auxiliary mounting plate clamp the ends of the first front swing rod and the first rear foot rod in the middle and are hinged together with the first front swing rod and the first rear swing rod; the structure of the second mounting seat is the same as that of the first mounting seat, and an auxiliary mounting plate is arranged on the inner side of the second mounting seat.

Preferably, a first object placing plate is arranged between the upper parts of the first front foot rod and the first rear foot rod, and two ends of the front side of the first object placing plate are correspondingly hinged to the first front foot rod and the second front foot rod respectively; meanwhile, the first rear foot rod and the second rear foot rod are provided with supporting pieces, and when the first object placing plate is in a horizontal state, the supporting pieces are supported below two ends of the rear side edge of the first object placing plate; the surface of the object placing plate is provided with a hand hole convenient to grasp; the left side and the right side of the first object placing plate are respectively hinged with a connecting rod. When the bracket is unfolded, the first object placing plate is horizontal; when the support is folded, the first object placing plate is turned to be vertically inclined. In the process, the connecting rod moves up and down along with the lifting rod and drives the second object placing plate below to perform turnover motion. When the bracket is folded, the hand is held at the hand hole for carrying.

Preferably, a second object placing plate is arranged below the first object placing plate, and two ends of the front side of the second object placing plate are correspondingly hinged to the first front foot rod and the second front foot rod respectively; and the lower ends of the connecting rods on the two sides of the first storage plate are hinged on the two sides of the second storage plate. Under the drive of the connecting rod, when the bracket is unfolded, the second object placing plate is horizontal; when the support is folded, the second object placing plate is turned to be vertically inclined.

Preferably, the lower ends of the first front foot rod and the first rear foot rod are provided with foot sleeve pads which are convex relatively, and the foot sleeve pads are convex towards the direction back to the second front foot rod and the second rear foot rod; the lower ends of the second front foot bar and the second rear foot bar are provided with foot sleeve pads which are convex relatively, and the foot sleeve pads are convex towards the direction back to the first front foot bar and the first rear foot bar; when the foot cover is in an unfolded state, the protruding end of the foot cover pad, the end part of the front cross rod and the end part of the rear cross rod can be in the same plane and can form a supporting surface. The support is unfolded and laterally swung, and then a table top is placed on a supporting plane formed by the foot pad and the end part of the transverse rod together, so that an operation platform can be formed.

To sum up, compared with the prior art, the utility model has the following advantages:

the foot rest of the utility model is composed of a fixed seat with special shape connecting the foot rod and the swing rod, the foot rod and the swing rod have high flexibility, can be folded and deformed, and are convenient to carry; the utility model discloses the variable multiple supporting structure that forms to add the sawtooth bracket, can provide the support of multiple different forms, also can cooperate the mesa to constitute the workstation, it is multi-functional, more practical.

Drawings

Fig. 1 is a schematic view of a first application state of the present invention;

fig. 2 is a side view of a first application of the present invention;

fig. 3 is a schematic diagram of a second application state of the present invention;

fig. 4 is a schematic view of a third application state of the present invention;

fig. 5 is a schematic view of a fourth application state of the present invention;

fig. 6 is a schematic view of the present invention in a folded state.

The reference numbers in the figures are: 1. a first leg frame; 10. a first mounting seat; 11. a first front foot bar; 13. a first rear foot bar; 15. a first front swing link; 17. a first rear swing link; 18. a front foot bar mounting portion; 19. a rear swing link mounting part; 2. a second leg frame; 20. a second mounting seat; 22. a second front leg bar; 24. a second rear foot bar; 26. a second front swing link; 28. a second rear swing link; 3. a front cross bar; 4. a rear cross bar; 5. a saw tooth bracket; 51. rotating the limiting groove; 52. rotating the limiting part; 53. a coupling plate; 6. an auxiliary mounting plate; 7. a first object placing plate; 70. hand hole; 71. a connecting rod; 8. a second storage plate; 9. a foot cover pad.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example 1:

as shown in fig. 1 and 2, an X-shaped multifunctional support is mainly composed of a first foot rest 1 and a second foot rest 2 which are parallel and side by side, and a cross bar which is jointly supported by the first foot rest 1 and the second foot rest 2, wherein the first foot rest 1 and the second foot rest 2 have the same structure.

The first foot rest 1 comprises a first mounting seat 10 positioned in the middle, a first front foot rod 11 connected to the first mounting seat 10, a first rear foot rod 13, a first front swing rod 15 and a first rear swing rod 17.

The first mounting seat 10 is a plate, the main body of the first mounting seat 10 is a square plate with four rounded corners, and the edges of two sides of the plate are concave in a V shape; the left lower corner of the first mounting seat 10 is provided with a strip-shaped front foot bar mounting part 18 extending downwards in an inclined way, the front foot bar mounting part 18 is provided with a fixing hole, and the first front foot bar 11 is fixedly connected to the front foot bar mounting part 18 through a fastener such as a rivet, a bolt, a nut and the like; the upper right corner of the first mounting seat 10 is provided with a section of strip-shaped rear swing rod mounting part 19 which extends upwards in an inclined mode, the rear swing rod mounting part 19 is provided with a fixing hole, and the first rear swing rod 17 is fixedly connected to the rear swing rod mounting part 19 through a fastener such as a rivet or a bolt nut.

The board in the upper left corner of first mount pad 10 has hinge hole and the rotatory spacing groove 51 of an arc fretwork, the lower extreme of pendulum rod 15 before first articulates in the upper left corner of first mount pad 10 through the pin, and simultaneously, the lower extreme of pendulum rod 15 before first still connects a setting element, and the setting element passes rotatory spacing groove 51.

The plate surface of the lower right corner of the first mounting seat 10 is provided with a hinge hole and an arc-shaped hollow-out rotary limiting groove 51; the upper end of the first rear foot bar 13 is hinged to the lower right corner of the first mounting seat 10 through a pin, and meanwhile, the upper end of the first rear foot bar 13 is also connected with a positioning piece which penetrates through the rotation limiting groove 51.

When the first foot rest 1 is unfolded, the first front foot rod 11 and the first rear foot rod 13 gradually diverge and expand from the upper end to the lower end, and the first front swing rod 15 and the first rear swing rod 17 gradually diverge and expand from the lower end to the upper end; when the folding machine is folded, the first rear foot rod 13 can be turned to be parallel to and close to the first front foot rod 11, and the first front swing rod 15 can be turned to be parallel to and close to the first rear swing rod 17.

The first foot rest 1 and the second foot rest 2 are identical in structure and are symmetrically arranged, and the second foot rest 2 comprises a second mounting seat 20 located in the middle, a second front swing rod 22 located on the front side of the upper portion, a second rear swing rod 24 located on the rear side of the upper portion, a second front foot rod 26 located on the front side of the lower portion and a second rear foot rod 28 located on the rear side of the lower portion.

An auxiliary mounting plate 6 is arranged on the inner side of the first mounting seat 10, the auxiliary mounting plate 6 is a Z-shaped plate, the auxiliary mounting plate 6 is parallel to the first mounting seat 10, the first mounting seat 10 and the auxiliary mounting plate 6 clamp the ends of the first front foot bar 11 and the first rear swing bar 17 in the middle and are jointly fixed with the first front foot bar and the first rear swing bar, and the first mounting seat 10 and the auxiliary mounting plate 6 clamp the ends of the first front swing bar 15 and the first rear foot bar 13 in the middle and are jointly hinged with the first front swing bar and the first rear swing bar.

An auxiliary mounting plate 6 is arranged on the inner side of the second mounting seat 20, the auxiliary mounting plate 6 is a Z-shaped plate, the auxiliary mounting plate 6 and the second mounting seat 20 are parallel and side by side, the second mounting seat 20 and the auxiliary mounting plate 6 jointly clamp the ends of the second front foot bar 22 and the second rear swing bar 28 in the middle and jointly fix the ends, and the second mounting seat 20 and the auxiliary mounting plate 6 jointly clamp the ends of the second front swing bar 26 and the second rear foot bar 24 in the middle and jointly hinge the ends.

The upper ends of the first front swing rod 15 and the second front swing rod 26 are vertically connected with a front cross rod 3, and the upper ends of the first rear swing rod 17 and the second rear swing rod 28 are connected with a rear cross rod 4.

The rear cross rod 4 is provided with a sawtooth bracket 5, specifically, the sawtooth bracket 5 is provided with two groups of fan-shaped structural members, each group of fan-shaped structural members is provided with two parallel fan-shaped plate members, the upward side edges of the two fan-shaped plate members are concave-convex sawtooth edges, and a connecting plate 53 is vertically connected between the downward side edges of the two fan-shaped plate members; the circle center of the fan-shaped structural part is hinged to the middle of the rear cross rod 4 through a pin, the two parallel fan-shaped plates are respectively positioned at two sides of the rear cross rod 4, the surfaces, close to the arc-shaped edge, of the two fan-shaped plates are respectively provided with an arc-shaped rotary limiting groove 51, and a rotary limiting part 52 is connected between the two rotary limiting grooves 51 and the rear cross rod 4.

Specifically, in two parallel fan-shaped plate members, three limiting holes are uniformly distributed at intervals at two ends and in the middle of a rotation limiting groove 51 of one fan-shaped plate member, the diameter of each limiting hole is larger than the width of the rotation limiting groove, the rotation limiting member 52 can be a rivet or a screw with a clamping head at the end and matched with a nut for use, the whole limiting member penetrates through the two rotation limiting grooves, and the clamping head is tightly attached to the outer side of the rotation limiting groove 52 of the fan-shaped plate member in a rotating state; when the position is limited, the clamping head is correspondingly embedded in the limiting hole to form the position limitation.

The two groups of fan-shaped structural parts are symmetrically arranged to form a V-shaped sawtooth area, and when the fan-shaped structural parts are used, the sawtooth brackets 5 can be turned upwards relatively to form the V-shaped sawtooth area; when not in use, the sawtooth bracket 5 can be turned relatively downwards to be below the rear cross bar 4.

The first article placing plate 7 is connected between the upper parts of the first front foot rod 11 and the first rear foot rod 13, and the two ends of the front side of the first article placing plate 7 are correspondingly hinged to the upper parts of the first front foot rod 11 and the second front foot rod 22 respectively; meanwhile, the first rear foot bar 13 and the second rear foot bar 24 are provided with relatively raised supporting pieces, and the supporting pieces can adopt exposed bolts; when the first object placing plate 7 is in a horizontal state, the supporting piece is supported below two ends of the rear side edge of the first object placing plate 7; the surface of the first object placing plate 7 is provided with a hand hole 70 which is convenient to grasp, and when the bracket is folded, the hand is held in the hand hole 70 for carrying.

The left side and the right side of the first object placing plate 7 are respectively hinged with a connecting rod 71; a second object placing plate 8 is arranged below the first object placing plate 7, and two ends of the front side of the second object placing plate 8 are correspondingly hinged to the lower parts of the first front foot rod 11 and the second front foot rod 22 respectively; and the lower ends of the connecting rods 71 at the two sides of the first storage plate 7 are correspondingly hinged at the two sides of the second storage plate 8.

The lower ends of the first front foot bar 11 and the first rear foot bar 13 are sleeved with a foot sleeve pad 9 which is convex relatively, and the foot sleeve pad 9 protrudes towards the direction back to the second front foot bar 22 and the second rear foot bar 24; the lower ends of the second front foot bar 22 and the second rear foot bar 24 are sleeved with a foot sleeve pad 9 which protrudes outwards relatively, and the foot sleeve pad 9 protrudes towards the direction back to the first front foot bar 11 and the first rear foot bar 13. When the support is in an unfolded state, the protruding end of the foot sleeve pad 9, the end part of the front cross rod 3 and the end part of the rear cross rod 4 can be positioned on the same plane and can form a supporting surface, and a horizontal plate is placed on the supporting surface to form a working table.

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. An X-shaped multifunctional support comprises a first foot rest (1) and a second foot rest (2) which are arranged side by side in parallel and a cross rod which is jointly supported by the first foot rest and the second foot rest, and is characterized in that the first foot rest comprises a first mounting seat (10) positioned in the middle, the front side of the lower part of the first mounting seat is fixedly connected with a first front foot rod (11), the rear side of the lower part of the first mounting seat is rotatably hinged with a first rear foot rod (13), and a rotation limiting structure is arranged between the first rear foot rod and the first mounting seat; when the foldable bicycle is unfolded, the first front foot rod and the first rear foot rod gradually diverge from the upper end to the lower end and expand outwards; the first rear foot bar can be turned to be parallel to and close to the first front foot bar;

the front side of the upper part of the first mounting seat is rotatably hinged with a first front swing rod (15), the rear side of the upper part of the first mounting seat is fixedly connected with a first rear swing rod (17), and a rotary limiting structure is arranged between the first front swing rod and the first mounting seat; when the front swing rod and the rear swing rod are unfolded, the front swing rod and the rear swing rod gradually diverge from the lower end to the upper end and expand outwards; the first front swing rod can be turned to be parallel to and close to the first rear swing rod;

the first foot rest and the second foot rest have the same structure, and the second foot rest comprises a second mounting seat (20) positioned in the middle, a second front swing rod (26) and a second rear swing rod (28) positioned on the upper part, and a second front foot rod (22) and a second rear foot rod (24) positioned on the lower part;

a front cross rod (3) is connected between the first front swing rod and the second front swing rod, and a rear cross rod (4) is connected between the first rear swing rod and the second rear swing rod; and a sawtooth bracket (5) is arranged on the front cross bar or the rear cross bar.

2. The X-shaped multifunctional bracket according to claim 1, characterized in that the sawtooth bracket comprises a V-shaped structural member, and the inner side edges of the V-shaped structural member opposite to the position are provided with concave-convex sawtooth edges.

3. The X-type multifunctional bracket according to claim 2, wherein the sawtooth bracket is rotatably hinged with the rear cross bar through a hinge, and a rotation limiting structure for limiting the rotation direction and the rotation angle of the sawtooth bracket is further arranged between the sawtooth bracket and the rear cross bar.

4. The X-shaped multifunctional bracket according to claim 1, wherein the sawtooth bracket is arranged as a fan-shaped structural member, one side edge of the fan-shaped structural member is arranged as a concave-convex sawtooth edge; two fan-shaped structural members are symmetrically arranged on the rear cross rod, and a V-shaped sawtooth edge area with an upward opening can be formed between the two fan-shaped structural members.

5. The X-shaped multifunctional bracket according to claim 4, characterized in that the fan-shaped structural member is a fan-shaped plate member, the upward side of the fan-shaped plate member is a concave-convex sawtooth edge, the center of the circle of the fan-shaped plate member is hinged to the middle of the rear cross bar through a shaft, the surface of the fan-shaped plate member near the arc-shaped edge is provided with an arc-shaped rotation limiting groove (51), and a rotation limiting member (52) is connected between the rotation limiting groove and the rear cross bar; the sawtooth brackets can be relatively turned upwards to form V-shaped sawtooth areas, and the sawtooth brackets can be relatively turned downwards to be positioned below the rear cross rod;

or the fan-shaped structural part is arranged into two parallel fan-shaped plate parts, the upward side edges of the two fan-shaped plate parts are concave-convex sawtooth edges, and a connecting plate (53) is vertically connected between the downward side edges of the two fan-shaped plate parts; the circle center part of the fan-shaped structural part is hinged to the middle part of the rear cross rod through a shaft, the two parallel fan-shaped plates are respectively positioned at two sides of the rear cross rod, the plate surfaces of the two fan-shaped plates close to the arc-shaped edge are respectively provided with an arc-shaped rotary limiting groove (51), and a rotary limiting part (52) is connected between the two rotary limiting grooves and the rear cross rod; the sawtooth bracket can relatively overturn upwards to form a V-shaped sawtooth area, and the sawtooth bracket can overturn relatively downwards to be positioned below the rear cross rod.

6. The X-shaped multifunctional bracket according to claim 1, characterized in that the first mounting seat is provided as a plate, a fixing hole is provided on the plate surface of the lower left corner of the first mounting seat, and the plate surface of the lower left corner is fixedly connected with the upper end of the first front foot rod through a fastener; a plate surface at the upper right corner of the first mounting seat is provided with a fixing hole, and the plate surface at the upper right corner is fixedly connected with the lower end of the first rear swing rod through a fastener; the plate surface of the upper left corner of the first mounting seat is provided with a hinge hole and an arc-shaped limiting groove, the plate surface of the upper left corner is hinged with the lower end of the first front oscillating bar, a limiting part is connected in the arc-shaped limiting groove, and the limiting part is connected with the first front oscillating bar; the board in the lower right corner of first mount pad is provided with hinge hole and an curved spacing groove, and the board in this lower right corner is articulated with the upper end of first back foot bar to connect the locating part in curved spacing groove, this locating part is connected in first back foot bar.

7. The multifunctional X-shaped bracket according to claim 6, characterized in that an auxiliary mounting plate (6) is arranged on the inner side of the first mounting seat, the auxiliary mounting plate is parallel and side by side with the first mounting seat, the first mounting seat and the auxiliary mounting plate jointly clamp the ends of the first front foot bar and the first rear swing bar in the middle and jointly fix the ends with the first front swing bar and the first rear foot bar, and the first mounting seat and the auxiliary mounting plate jointly clamp the ends of the first front swing bar and the first rear foot bar in the middle and jointly hinge the ends with the first front swing bar and the first rear foot bar; the structure of the second mounting seat is the same as that of the first mounting seat, and an auxiliary mounting plate is arranged on the inner side of the second mounting seat.

8. The X-shaped multifunctional bracket according to claim 1, characterized in that a first object placing plate (7) is arranged between the upper parts of the first front foot rod and the first rear foot rod, and two ends of the front side of the first object placing plate are correspondingly hinged to the first front foot rod and the second front foot rod respectively; meanwhile, the first rear foot rod and the second rear foot rod are provided with supporting pieces, and when the first object placing plate is in a horizontal state, the supporting pieces are supported below two ends of the rear side edge of the first object placing plate; the plate surface of the object placing plate is provided with a hand hole (70) which is convenient to grasp; the left side and the right side of the first object placing plate are respectively hinged with a connecting rod (71).

9. The X-shaped multifunctional bracket according to claim 8, characterized in that a second object placing plate (8) is arranged below the first object placing plate, and two ends of the front side of the second object placing plate are correspondingly hinged to the first front foot rod and the second front foot rod respectively; and the lower ends of the connecting rods on the two sides of the first storage plate are hinged on the two sides of the second storage plate.

10. The multifunctional X-shaped rack according to claim 1, characterized in that the lower ends of the first front and rear legs are provided with relatively convex foot pad pads (9) which are convex toward the direction away from the second front and rear legs; the lower ends of the second front foot bar and the second rear foot bar are provided with foot sleeve pads (9) which are convex relatively, and the foot sleeve pads are convex towards the direction back to the first front foot bar and the first rear foot bar; when the foot cover is in an unfolded state, the protruding end of the foot cover pad, the end part of the front cross rod and the end part of the rear cross rod can be in the same plane and can form a supporting surface.

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