CN218933907U

CN218933907U - Hanging net rack with folding function

Info

Publication number: CN218933907U
Application number: CN202220825841.6U
Authority: CN
Inventors: 王国强
Original assignee: Jiuchuang Tianjin Construction Equipment Co ltd
Current assignee: Jiuchuang Tianjin Construction Equipment Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2023-04-28
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a rack with a folding function, which comprises a mounting rod, a telescopic mechanism, a supporting mechanism and a locking mechanism, wherein the mounting rod is arranged on one side of a rack, the telescopic mechanism is used for adjusting the length of the rack according to the use requirement, the supporting mechanism is used for supporting the telescopic mechanism and adjusting the angle of the rack, the locking mechanism is used for assembling and disassembling the rack and the rack, the telescopic mechanism is arranged on the upper part of the mounting rod, the supporting mechanism is arranged on one side of the mounting rod and the telescopic mechanism, and the locking mechanism is arranged on one side of the mounting rod, which is far away from the supporting mechanism.

Description

Hanging net rack with folding function

Technical Field

The utility model relates to the technical field of hanging nets for buildings, in particular to a hanging net frame with a folding function.

Background

In the prior art, the building site is in order to ensure the safety of pedestrian around the building site, according to the regulation of relevant regulation of construction, must enclose one deck string net in building area periphery, protect the safety of pedestrian around through string net, and on the building site, the thing that goes to and fro is many, work is busy, often there is the thing to bump the lower extreme of extension frame, frequent striking vibrations can cause the loosening of junction between the extension frame, cause the potential safety hazard, cause the damage, even produce the danger, and in busy work, the staff can frequently bump the extension frame lower extreme, because the extension frame is harder, so can cause the staff injury, and need to protect the upper portion of the rack week survey through string net, avoid article drop on the rack to cause the injury to surrounding personnel.

The application number is: 202010036862.5A Chinese patent utility model discloses a folding protective net device of personalized roadway support equipment, which comprises 2 primary hanging nets, wherein 1 secondary hanging net is arranged between the 2 primary hanging nets; in the folded state, the 2 primary hanging nets are connected through a pin shaft and a D-shaped pin, and are locked and fixed through bolts and nuts, and the secondary hanging net is overlapped at the butt joint position between the 2 primary hanging nets; in the open state, the 2 primary hanging nets are separated, the secondary hanging net is assembled at the opening part between the 2 primary hanging nets, two sides of the secondary hanging net are respectively connected with the 2 primary hanging nets through pin shafts and D-shaped pins, and the ear plates of the folding protection net are hung between the front top beam and the rear top beam of the sliding support through round-link chains and shackles. However, the folding protection network device of the individualized roadway support equipment is complex in structure, the length of the net rack cannot be adjusted according to actual use requirements, the angle of the net rack cannot be adjusted, the service condition is single, the net rack and the rack cannot be locked or unlocked, the disassembly and assembly are complex, the installation stability is poor, the net rack can not be adjusted according to actual conditions and the specification of the rack, and the adaptability is poor.

Disclosure of Invention

The utility model aims to provide a hanging net rack with a folding function.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a string rack with folding function, includes the installation pole, the installation pole sets up in rack one side, still including being used for according to the telescopic machanism of user demand regulation rack length, be used for providing the supporting mechanism who supports and adjust rack angle and be used for carrying out the locking mechanism of loading and unloading with rack and rack for telescopic machanism, telescopic machanism is located installation pole upper portion, supporting mechanism is located installation pole and telescopic machanism one side, locking mechanism is located installation pole keeps away from one side of supporting mechanism.

The telescopic mechanism comprises a telescopic sleeve rod, a telescopic core rod, a positioning base and a positioning bolt, wherein the telescopic sleeve rod is arranged at the upper end of the installation rod, the lower end of the telescopic sleeve rod is connected with the installation rod in a rotating mode through the bolt, the telescopic core rod is inserted into the inner side of the upper portion of the telescopic sleeve rod, one end of the telescopic core rod is connected with the telescopic sleeve rod in a sliding mode, the positioning base corresponds to the telescopic core rod, the telescopic core rod is arranged on one side of the upper portion of the telescopic sleeve rod and is fixedly connected with the telescopic sleeve rod, and the positioning bolt is arranged on one side of the positioning base and penetrates through the positioning base and the telescopic sleeve rod and is connected with the positioning base in a threaded mode through the telescopic sleeve rod in a mode, and is in butt joint with the side wall of the telescopic core rod.

The net hanging device is characterized by further comprising a net hanging hook, wherein the net hanging hook is arranged at one end of the telescopic core rod, which is far away from the telescopic sleeve rod, and is fixedly connected with the telescopic core rod, and the opening end of the net hanging hook is arranged towards the direction, which is far away from the telescopic sleeve rod.

The supporting mechanism comprises a supporting slide block, a supporting base, a supporting fixing block and a supporting connecting rod, wherein the supporting slide block is sleeved on the outer side of the installation rod and is in sliding connection with the installation rod, the supporting base is arranged on one side, away from the net hanging hook, of the supporting slide block and is fixedly connected with the supporting slide block, the supporting fixing block corresponds to the supporting base, the supporting base is arranged on one side of the upper portion of the telescopic loop rod and is fixedly connected with the telescopic loop rod, and the supporting connecting rod is arranged between the supporting base and the supporting fixing block, and two ends of the supporting connecting rod are respectively connected with the supporting base and the supporting fixing block in a rotating mode through bolts.

The locking mechanism comprises a locking base, a locking fixed block, a locking movable block and a locking bolt, wherein the locking base is arranged on the mounting rod and the supporting slide block and is fixedly connected with the mounting rod, the locking fixed block is arranged on one side of the locking base and is fixedly connected with the locking base, the locking movable block is arranged on one side of the locking fixed block away from the locking base, one end of the locking movable block is rotatably connected with one end of the locking fixed block, the locking bolt is arranged on one side of the locking fixed block away from the locking movable block, one end of the locking movable block is rotatably connected with the locking fixed block, one end of the locking movable block away from the locking movable block, which is rotatably connected with the locking movable block, is fixedly connected with the locking fixed block through the locking bolt, one side of the locking movable block, which is opposite to the locking movable block, is provided with an arc-shaped groove between the locking movable block is spliced into an annular structure which is connected with a rack, and the two locking mechanisms are respectively arranged on one side of the mounting rod, away from the supporting base, and one side of the supporting slide block is rotatably connected with the supporting base.

Still include spacing knot, spacing knot sets up the bottom of installation pole and with installation pole fixed connection, spacing knot corresponds the rack and is equipped with the arc opening, spacing knot passes through arc opening and rack laminating setting.

The rack comprises rack pole setting and rack horizontal pole, the rack pole setting has a plurality of, a plurality of rack pole setting array erects subaerial, the rack horizontal pole corresponds a plurality of the rack pole setting has a plurality of groups, and a plurality of groups the rack horizontal pole sets up respectively adjacent two between the rack pole setting and through grafting mechanism and corresponding the connection can be dismantled to the rack pole setting, the bottom of installing pole pass through the stopper with the laminating of rack pole setting, locking fixed block and locking movable block pass through the arc wall that its inboard set up with rack pole setting joint, locking fixed block and locking movable block pass through locking bolt to be fixed in the assigned position department of rack pole setting.

The grafting mechanism includes grafting groove and grafting knot, the grafting groove is equipped with a plurality of groups, every group the grafting groove is in by dislocation symmetry setting the slot of rack pole setting side constitutes, and a plurality of groups the grafting groove side by side the interval sets up the side of rack pole setting and with rack pole setting fixed connection, the grafting knot corresponds the rack horizontal pole is equipped with a plurality of groups, every group the grafting knot comprises two eye-splice, a plurality of groups the grafting knot sets up respectively in a plurality of the tip of rack horizontal pole and with corresponding rack horizontal pole fixed connection, the grafting knot with the grafting groove grafting that corresponds, rack pole setting and the rack horizontal pole pass through the grafting groove with the grafting knot carries out detachable connection.

The utility model discloses a rack pole setting device, including rack pole setting, grafting groove, grafting buckle, the grafting groove is the wedge groove, the width on grafting groove upper portion is greater than the width of its lower part, the lateral wall of grafting groove is the inclined plane setting, grafting groove open-top area is greater than its bottom open-ended area, the grafting buckle corresponds the grafting groove sets up to the wedge, the width on grafting buckle upper portion is greater than the width of its lower part, the grafting buckle is kept away from one side of rack horizontal pole corresponds the rack pole setting is equipped with the laminating groove, the grafting buckle passes through the laminating groove and corresponds the laminating of rack pole setting is set up.

Still include the adjustment seat, the adjustment seat sets up the bottom of rack pole setting and with rack pole setting threaded connection, the rack pole setting is through the adjustment seat erects subaerial.

The beneficial effects of the utility model are as follows:

simple structure is equipped with telescopic machanism, can adjust the length of rack according to the in-service use demand, is equipped with supporting mechanism, can provide the installation support for telescopic machanism and adjust the angle of rack, uses in a flexible way, is equipped with locking mechanism, can lock rack and rack or unblock, the dismouting of being convenient for, and mounting stability is good, cooperates with supporting mechanism through telescopic machanism, can adjust the rack of hanging according to actual conditions and rack specification, and adaptability is strong.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the positioning base, positioning bolt and telescoping rod assembly of the present utility model;

FIG. 3 is a diagram of the operation of the present utility model;

FIG. 4 is a schematic view of the locking mechanism of the present utility model;

fig. 5 is a schematic diagram of the cooperation of the rack and the rack according to the present utility model.

In the figure: 1. a mounting rod; 2. a telescopic loop bar; 3. a telescopic core rod; 4. positioning a base; 5. positioning bolts; 6. a net hanging hook; 7. a support slider; 8. a support base; 9. a support fixing block; 10. a support link; 11. locking the base; 12. locking the fixed block; 13. locking the movable block; 14. a locking bolt; 15. a limit button; 16. a rack upright rod; 17. a gantry cross bar; 18. a plug-in groove; 19. a plug-in buckle; 20. and (5) adjusting the seat.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings,

the utility model relates to a hanging net rack with a folding function, which comprises a mounting rod 1, wherein the mounting rod 1 is arranged on one side of a rack, and further comprises a telescopic mechanism for adjusting the length of the net rack according to the use requirement, a supporting mechanism for providing support for the telescopic mechanism and adjusting the angle of the net rack and a locking mechanism for assembling and disassembling the net rack and the rack, the telescopic mechanism is positioned on the upper part of the mounting rod 1, the supporting mechanism is positioned on one side of the mounting rod 1 and the telescopic mechanism, the locking mechanism is positioned on one side of the mounting rod 1 away from the supporting mechanism, and the mounting rod 1, the telescopic mechanism and the supporting mechanism are communicated to form a hanging net structure with adjustable length and angle.

The telescopic mechanism comprises a telescopic sleeve rod 2, a telescopic core rod 3, a positioning base 4 and a positioning bolt 5, wherein the telescopic sleeve rod 2 is arranged at the upper end of the installation rod 1, the lower end of the telescopic sleeve rod is rotationally connected with the installation rod 1 through a bolt, the telescopic core rod 3 is inserted into the inner side of the upper part of the telescopic sleeve rod 2, one end of the telescopic core rod 3 is slidably connected with the telescopic sleeve rod 2, the positioning base 4 is correspondingly arranged at one side of the upper part of the telescopic sleeve rod 2 and fixedly connected with the telescopic sleeve rod 2, the positioning bolt 5 is arranged at one side of the positioning base 4 and penetrates through the positioning base 4 and the telescopic sleeve rod 2, the positioning bolt 5 is in threaded connection with the positioning base 4 and the telescopic sleeve rod 2 and is abutted with the side wall of the telescopic core rod 3, the telescopic mechanism is matched with the positioning base 4 and the positioning bolt 5 through the telescopic sleeve rod 2, the length of the net rack is adjusted according to the use requirement, the telescopic sleeve rod 2 is used for providing mounting support for the telescopic sleeve rod 3, the telescopic sleeve rod 3 is used for sliding relative to the telescopic sleeve rod 2 to perform telescopic action, so that the length of the net rack is adjusted, the positioning base 4 is used for providing mounting support for the positioning bolt 5, increasing the contact area between the positioning bolt 5 and a stress surface, enhancing the stability of a connecting part, the positioning bolt 5 is used for positioning the telescopic sleeve rod 3 and the telescopic sleeve rod 2, so that the net rack keeps a designated length, the length of the telescopic sleeve rod 3 stretching relative to the telescopic sleeve rod 2 can be fixed by tightening the positioning bolt 5 to be abutted with the telescopic sleeve rod 3, and the positioning of the positioning sleeve rod can be released by loosening the positioning bolt 5 to be separated from contact with the telescopic sleeve rod 3, and in this state, the length of the telescopic sleeve rod 3 stretching relative to the telescopic sleeve rod 2 can be adjusted, and the positioning base 4 of the utility model, the positioning bolt 5 and the telescopic loop bar 2 are matched and schematically shown in fig. 2.

Still including hanging net hook 6, the net hook 6 sets up in flexible core bar 3 keep away from the one end of flexible loop bar 2 and with flexible core bar 3 fixed connection, and the open end of net hook 6 sets up towards the direction of keeping away from flexible loop bar 2, and wherein, net hook 6 is used for providing the erection bracing for hanging the net, and accessible net hook 6 will hang the net and install on hanging the net frame, avoids hanging the net and drops from hanging the net structure.

The support mechanism comprises a support slide block 7, a support base 8, a support fixing block 9 and a support connecting rod 10, wherein the support slide block 7 is sleeved on the outer side of the installation rod 1 and is in sliding connection with the installation rod 1, the support base 8 is arranged on one side, far away from the net hanging hook 6, of the support slide block 7, the support fixing block 9 is arranged on one side, corresponding to the upper part of the telescopic sleeve rod 2, of the support base 8 and is fixedly connected with the telescopic sleeve rod 2, the support connecting rod 10 is arranged between the support base 8 and the support fixing block 9, two ends of the support connecting rod 10 are respectively in rotary connection with the support base 8 and the support fixing block 9 through bolts, the support mechanism is matched with the support base 8 and the support connecting rod 9 through the support slide block 7, the support base 8, the support fixing block 9 and the support connecting rod 10, installation support is provided for the telescopic mechanism, and the angle of the telescopic mechanism can be adjusted, wherein the support base 8 is driven to slide relative to the installation rod 1 when the support base 8 is used for providing installation support for the support base 8, the lower end of the support connecting rod 10 is matched with the support fixing block 9, the angle of the support connecting rod 10 is adjusted, the support fixing block 9 is used for providing the upper end of the support connecting rod 10, the support connecting rod 10 is matched with the support base 8, the support connecting rod 8 is matched with the support connecting rod 10, the telescopic mechanism is used for adjusting the angle of the telescopic mechanism, as shown in the telescopic mechanism is shown in the figure, the telescopic mechanism is shown in the figure 3, the working state, the telescopic mechanism is shown in the figure, the figure has the working state, and the working state 3, and the telescopic mechanism is adjusted.

The locking mechanism comprises a locking base 11, a locking fixed block 12, a locking movable block 13 and a locking bolt 14, wherein the locking base 11 is arranged on the mounting rod 1 and the supporting slide block 7 and is fixedly connected with the mounting rod 1 and the supporting slide block 7, the locking fixed block 12 is arranged on one side of the locking base 11 and is fixedly connected with the locking base 11, the locking movable block 13 is arranged on one side of the locking fixed block 12 far away from the locking base 11, one end of the locking movable block 13 is rotationally connected with one end of the locking fixed block 12, the locking bolt 14 is arranged on one end of the locking fixed block 12 far away from the locking movable block 13 and is rotationally connected with the locking fixed block 12, one end of the locking movable block 13 far away from the locking movable block 12 and is rotationally connected with the locking fixed block 12 through the locking bolt 14, an arc-shaped groove is arranged on one side of the locking fixed block 12 opposite to the locking movable block 13, the arc-shaped grooves between the locking fixed block 12 and the locking movable block 13 are spliced into an annular structure connected with the rack, the two locking mechanisms are respectively arranged on one side of the upper part of the mounting rod 1 far away from the supporting base 8 and one side of the middle part of the supporting sliding block 7 far away from the supporting base 8, the locking mechanisms are matched with the rack and the rack through the locking base 11, the locking fixed block 12, the locking movable block 13 and the locking bolt 14 to lock or unlock the rack, wherein the locking base 11 is used for providing mounting support for the locking fixed block 12 and connecting the locking fixed block 12 with the mounting rod 1, the locking fixed block 12 is used for providing mounting support for the locking movable block 13, the locking movable block 13 is used for being matched with the locking fixed block 12 to be connected with the rack structure, the locking bolt 14 is used for connecting the locking movable block 13 with the locking fixed block 12 to lock or unlock, thereby locking or unlocking the grid frame and the rack, and the structure schematic diagram of the locking mechanism is shown in fig. 4.

Still include spacing knot 15, spacing knot 15 sets up in the bottom of installation pole 1 and with installation pole 1 fixed connection, and spacing knot 15 corresponds the rack and is equipped with the arc opening, and spacing knot 15 passes through arc opening and rack laminating setting, wherein, spacing knot 15 is used for carrying out spacing connection with installation pole 1 and rack structure, and accessible stopper carries out spacing connection in advance with installation pole 1 and rack structure before the installation.

The rack comprises rack pole setting 16 and rack horizontal pole 17, rack pole setting 16 has a plurality of, a plurality of rack pole setting 16 array erects subaerial, rack horizontal pole 17 corresponds a plurality of rack pole setting 16 and has a plurality of group, a plurality of group rack horizontal pole 17 set up respectively between two adjacent rack pole setting 16 and can dismantle with corresponding rack pole setting 16 through grafting mechanism, the bottom of installation pole 1 is laminated with rack pole setting 16 through the stopper and is set up, locking fixed block 12 and locking movable block 13 are through the arc wall and the rack pole setting 16 joint that its inboard set up, locking fixed block 12 and locking movable block 13 pass through locking bolt 14 to be fixed in the assigned position department of rack pole setting 16, wherein, rack pole setting 16 is used for providing the erection support for rack horizontal pole 17, rack horizontal pole 17 is used for cooperating with rack pole setting 16, constitute the rack structure, rack and cooperation schematic diagram of this utility model is as shown in fig. 5.

The grafting mechanism includes grafting groove 18 and grafting knot 19, the grafting groove 18 is equipped with a plurality of groups, every group grafting groove 18 comprises the slot of dislocation symmetry setting in rack pole setting 16 side, a plurality of groups grafting groove 18 parallel interval sets up in rack pole setting 16 side and with rack pole setting 16 fixed connection, grafting knot 19 corresponds rack pole 17 and is equipped with a plurality of groups, every group grafting knot 19 comprises two eye-splice, a plurality of groups grafting knot 19 set up respectively in the tip of a plurality of rack pole 17 and with corresponding rack pole 17 fixed connection, grafting knot 19 is pegged graft with corresponding grafting groove 18, rack pole setting 16 and rack pole 17 carry out detachable connection through grafting groove 18 and grafting knot 19, grafting mechanism cooperates with grafting knot 19, carry out detachable connection with rack pole setting 16 and rack pole 17, wherein, grafting groove 18 is used for providing the installation support for grafting knot 19, and pole setting 16 are connected, grafting knot 19 is used for connecting rack pole 17 with grafting groove 18, thereby be connected with rack pole 16.

The grafting groove 18 is wedge groove, the width of grafting groove 18 upper portion is greater than the width of its lower part, the lateral wall of grafting groove 18 is the inclined plane setting, grafting groove 18 open-ended area is greater than its bottom open-ended area, grafting knot 19 corresponds grafting groove 18 and sets up to the wedge, the width of grafting knot 19 upper portion is greater than the width of its lower part, one side that the grafting knot 19 kept away from rack horizontal pole 17 corresponds rack pole 16 and is equipped with the laminating groove, the grafting knot 19 is through laminating groove and the laminating of corresponding rack pole 16 setting, wherein, wedge-shaped grafting groove 18 can provide stable support for grafting knot 19, guarantee the connection stability between the part, wedge-shaped grafting knot 19 can promote its and the cooperation precision between grafting groove 18, guarantee the connection stability of structure, the laminating groove can promote the laminating degree between grafting knot 19 and the rack pole 16, further promote the cooperation stability between the part.

Still include adjusting seat 20, adjusting seat 20 sets up in the bottom of rack pole setting 16 and with rack pole setting 16 threaded connection, rack pole setting 16 erect subaerial through adjusting seat 20, wherein, adjusting seat 20 is used for providing the erection bracing for rack pole setting 16, and accessible adjusting seat 20 adjusts rack height, when needing to adjust rack height, the height of accessible rotatory rack pole setting 16 lower adjusting seat 20 to the rack.

Wherein, still include the cushion, the cushion setting is in the bottom of rack horizontal pole 17 and grafting knot 19 junction and with rack horizontal pole 17 fixed connection, wherein, the cushion is used for increasing the intensity of rack horizontal pole 17 and grafting knot 19 junction, when dismantling rack horizontal pole 17, the accessible hits rack horizontal pole 17 and is equipped with cushion department and dismantle rack horizontal pole 17.

The slots forming the plugging slots 18 can be arranged in a flush manner, so that the consistency among the components is improved, and the arrangement mode of the slots forming the plugging slots 18 can be adjusted according to actual use requirements.

Working principle:

before installation, make flexible core bar 3 stretch out a section distance for flexible loop bar 2 to adjust the length of rack, and make its and flexible core bar 3 butt through tightening locating bolt 5, thereby make the relative length between flexible core bar 3 and the flexible loop bar 2 fixed, during the installation, install the locking mechanism lock on installation pole 1 upper portion on rack pole setting 16, adjust the angle between flexible loop bar 2 and the installation pole 1 according to the user demand, and lock locking mechanism on the support slider 7 and rack pole setting 16, thereby fix the rack in the assigned position department of rack and fix the angle of rack, accomplish the installation of rack, can hang the link through the link hook 6 in addition and establish on the link rack, the link hook 6 that sets up towards the outside can effectively avoid the link to drop.

The telescopic rack has the advantages that the telescopic rack is simple in structure and good in installation stability, the length of the rack can be adjusted according to actual use requirements, the supporting mechanism is arranged, installation support can be provided for the telescopic mechanism, the angle of the rack can be adjusted, the telescopic rack is flexible to use, the rack and the rack can be locked or unlocked, the telescopic rack is convenient to disassemble and assemble, the telescopic rack is good in installation stability, the telescopic mechanism is matched with the supporting mechanism, the rack can be adjusted according to actual conditions and the rack specification, and the adaptability is high.

The foregoing describes one embodiment of the present utility model in detail, but the disclosure is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The utility model provides a rack with folding function, includes installation pole (1), installation pole (1) sets up in rack one side, its characterized in that still including being used for according to the telescopic machanism of user demand regulation rack length, be used for providing support and adjusting the supporting mechanism of rack angle and be used for carrying out the locking mechanism of loading and unloading with rack and rack for telescopic machanism, telescopic machanism is located installation pole (1) upper portion, supporting mechanism is located installation pole (1) and telescopic machanism one side, locking mechanism is located one side that supporting mechanism was kept away from to installation pole (1).

2. The grid frame with folding function according to claim 1, wherein the telescopic mechanism comprises a telescopic sleeve rod (2), a telescopic core rod (3), a positioning base (4) and a positioning bolt (5), the telescopic sleeve rod (2) is arranged at the upper end of the installation rod (1) and the lower end of the telescopic sleeve rod is rotationally connected with the installation rod (1) through the bolt, the telescopic core rod (3) is inserted into the inner side of the upper part of the telescopic sleeve rod (2) and one end of the telescopic core rod is slidably connected with the telescopic sleeve rod (2), the positioning base (4) corresponds to the telescopic core rod (3) and is arranged at one side of the upper part of the telescopic sleeve rod (2) and is fixedly connected with the telescopic sleeve rod (2), the positioning bolt (5) is arranged at one side of the positioning base (4) and penetrates through the positioning base (4) and the telescopic sleeve rod (2), and the positioning bolt (5) is in threaded connection with the positioning base (4) and the telescopic sleeve rod (2) and simultaneously abuts against the side wall of the telescopic core rod (3).

3. The net hanging frame with the folding function according to claim 2, further comprising a net hanging hook (6), wherein the net hanging hook (6) is arranged at one end of the telescopic core rod (3) far away from the telescopic sleeve rod (2) and is fixedly connected with the telescopic core rod (3), and the opening end of the net hanging hook (6) is arranged in a direction far away from the telescopic sleeve rod (2).

4. A net rack with a folding function according to claim 3, characterized in that the supporting mechanism comprises a supporting slide block (7), a supporting base (8), a supporting fixing block (9) and a supporting connecting rod (10), wherein the supporting slide block (7) is sleeved on the outer side of the mounting rod (1) and is in sliding connection with the mounting rod (1), the supporting base (8) is arranged on one side, far away from the net hanging hook (6), of the supporting slide block (7) and is fixedly connected with the supporting slide block (7), the supporting fixing block (9) is arranged on one side, corresponding to the supporting base (8), of the upper portion of the telescopic sleeve rod (2) and is fixedly connected with the telescopic sleeve rod (2), and the supporting connecting rod (10) is arranged between the supporting base (8) and the supporting fixing block (9) and is respectively in rotary connection with the supporting base (8) and the supporting fixing block (9) through bolts at two ends.

5. A rack with folding function as claimed in claim 4, wherein the locking mechanism comprises a locking base (11), a locking fixed block (12), a locking movable block (13) and a locking bolt (14), wherein the locking base (11) is arranged on the mounting rod (1) and the supporting slide block (7) and is fixedly connected with the mounting rod (1) and the supporting slide block (7), the locking fixed block (12) is arranged on one side of the locking base (11) and is fixedly connected with the locking base (11), the locking movable block (13) is arranged on one side of the locking fixed block (12) far from the locking base (11) and is rotatably connected with one end of the locking fixed block (12), the locking bolt (14) is arranged on one end of the locking fixed block (12) far from the locking movable block (13) and is rotatably connected with the locking fixed block (12), the locking movable block (13) far from the locking movable block (12) is rotatably connected with one end of the locking fixed block (12) through the locking movable block (14), the locking movable block (12) is rotatably connected with the locking fixed block (12) through an arc-shaped groove, the arc-shaped grooves between the locking fixed blocks (12) and the locking movable blocks (13) are spliced into an annular structure connected with the rack, two locking mechanisms are arranged, and the two locking mechanisms are respectively arranged on one side, away from the supporting base (8), of the upper portion of the mounting rod (1) and on one side, away from the supporting base (8), of the middle portion of the supporting sliding block (7).

6. The hanging net rack with the folding function according to claim 1, further comprising a limiting buckle (15), wherein the limiting buckle (15) is arranged at the bottom of the installation rod (1) and is fixedly connected with the installation rod (1), an arc-shaped opening is formed in the limiting buckle (15) corresponding to the rack, and the limiting buckle (15) is attached to the rack through the arc-shaped opening.

7. The rack with the folding function according to claim 1, wherein the rack is composed of rack uprights (16) and rack cross bars (17), the rack uprights (16) are provided with a plurality of rack uprights (16) which are arranged on the ground in an array mode, the rack cross bars (17) are provided with a plurality of groups corresponding to the rack uprights (16), the rack cross bars (17) are respectively arranged between two adjacent rack uprights (16) and are detachably connected with the corresponding rack uprights (16) through inserting mechanisms, the bottoms of the mounting rods (1) are attached to the rack uprights (16) through limiting blocks, the locking fixed blocks (12) and the locking movable blocks (13) are clamped with the rack uprights (16) through arc grooves formed in the inner sides of the limiting blocks, and the locking fixed blocks (12) and the locking movable blocks (13) are fixed at designated positions of the rack uprights (16) through locking bolts (14).

8. The grid with folding function according to claim 7, characterized in that the plugging mechanism comprises plugging grooves (18) and plugging buckles (19), the plugging grooves (18) are provided with a plurality of groups, each group of plugging grooves (18) is formed by slots which are arranged on the side surface of the rack upright (16) in a staggered and symmetrical manner, the plugging grooves (18) are arranged on the side surface of the rack upright (16) at intervals in parallel and fixedly connected with the rack upright (16), the plugging buckles (19) are provided with a plurality of groups corresponding to the rack cross bars (17), each group of plugging buckles (19) are formed by two plugging buckles, the plugging buckles (19) are respectively arranged at the end parts of the rack cross bars (17) and fixedly connected with the corresponding rack cross bars (17), the plugging buckles (19) are plugged with the corresponding plugging grooves (18), and the rack upright (16) and the rack cross bars (17) are detachably connected through the plugging grooves (18) and the plugging buckles (19).

9. The hanging rack with the folding function according to claim 8, wherein the inserting groove (18) is a wedge-shaped groove, the width of the upper portion of the inserting groove (18) is larger than the width of the lower portion of the inserting groove, the side wall of the inserting groove (18) is in an inclined plane, the area of the top opening of the inserting groove (18) is larger than the area of the bottom opening of the inserting groove, the inserting buckle (19) is in a wedge shape corresponding to the inserting groove (18), the width of the upper portion of the inserting buckle (19) is larger than the width of the lower portion of the inserting buckle, one side, far away from the rack cross bar (17), of the inserting buckle (19) is provided with a fitting groove corresponding to the rack upright (16), and the inserting buckle (19) is in fit with the corresponding rack upright (16) through the fitting groove.

10. A grid with folding function according to claim 9, characterized in that it further comprises an adjustment seat (20), said adjustment seat (20) being arranged at the bottom of said rack upright (16) and being screwed to said rack upright (16), said rack upright (16) being erected on the ground by means of said adjustment seat (20).