CN211775593U - Operation support that stabilizer blade can be accomodate - Google Patents

Abstract

The utility model discloses an operation bracket with a storable support leg, which comprises a base, a plurality of positioning bolts and a plurality of extending support legs; the chassis has a plurality of articulated seats, and articulated seat is provided with first location jack and second location jack, and articulated seat all articulates there is the swinging arms, and the swinging arms is provided with first bolt hole and spring bolt, and the extension stabilizer blade has connecting portion and supporting part, and the swinging arms is provided with the holding tank, and the holding tank is inserted to the one end of connecting portion, and the end of inserting of connecting portion is provided with second bolt hole and third bolt hole. When needs were carried, let the spring bolt insert second bolt hole and location bolt insert first location jack and first bolt hole to let the chassis be in the stabilizer blade and accomodate the state, reduce the horizontal occupation space of chassis, make things convenient for the transportation of chassis and deposit, make things convenient for the transportation of operation platform, the operation platform of being convenient for is deposited, enlarges the application range of operation platform.

Description

Operation support that stabilizer blade can be accomodate

Technical Field

The utility model relates to a construction operation platform support technical field, in particular to operation support that stabilizer blade can be accomodate.

Background

In high-altitude construction, people often use a high-altitude operation platform to ascend. In order to ensure safety, the bottom support of the aerial work platform is provided with a plurality of support legs, and the support legs are far away from the center of the support, so that the purpose that the bottom support chassis is large is achieved, the whole work platform is supported, and the work platform is prevented from being turned on one side or lying down. However, the support legs are far away from the center of the support, the chassis of the support is large, the operation table is inconvenient to carry, and the operation table can occupy a large storage area when not in use, so that the operation table is inconvenient to store, and the application range is small.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an operation support that stabilizer blade can be accomodate, the operation support that the stabilizer blade can be accomodate is convenient for the operation platform and is deposited, enlarges the application range of operation platform.

The utility model provides an operation support that stabilizer blade can be accomodate, include:

the hinge base is provided with a plurality of hinge seats, a first positioning jack is arranged on the upper side of the hinge base, a second positioning jack is arranged on the outer side of the hinge base, the hinge seats are hinged with swing rods, the swing rods are provided with first bolt holes, the first bolt holes are used for corresponding to one of the first positioning jack and the second positioning jack, and the swing rods are provided with spring bolts;

the positioning bolts correspond to the hinge seats one by one; when the first bolt hole corresponds to the first positioning jack, the positioning bolt is inserted into the first positioning jack and the first bolt hole; when the first bolt hole corresponds to the second positioning jack, the positioning bolt is inserted into the second positioning jack and the first bolt hole;

the swinging end of the swinging rod is provided with a containing groove, one end of the connecting part is inserted into the containing groove, the insertion end of the connecting part is provided with a second bolt hole and a third bolt hole, and the central axis of the second bolt hole is vertical to the central axis of the third bolt hole; one end of the spring bolt is inserted into the accommodating groove and is inserted into one of the second bolt hole and the third bolt hole.

The utility model discloses operation support that stabilizer blade can be accomodate has following technological effect at least: when the movable base frame needs to be carried, the spring bolt is inserted into the second bolt hole, and the positioning bolt is inserted into the first positioning jack and the first bolt hole, so that the base frame is in a supporting leg accommodating state, the horizontal occupied space of the base frame is reduced, the base frame is convenient to transport and store, the operation table is convenient to store, and the use range of the operation table is expanded; when the operation platform needs the extension support of chassis to support, let the spring bolt insert third bolt hole and location bolt insert second location jack and first bolt hole to let the chassis be in stabilizer blade support state, let the chassis be difficult for turning on one's side, reached the stabilizer blade and supported the chassis, let the firm effect of chassis.

According to some embodiments of the utility model, the spring bolt is including the mount pad that has the inner chamber, pass the insert round pin of inner chamber, be located the inside reset spring of inner chamber, reset spring's one end with insert the round pin and be close to the one end of connecting portion offsets, reset spring's the other end with the inner chamber offsets, the mount pad sets up on the swinging arms.

According to some embodiments of the utility model, the insert pin is kept away from the one end of connecting portion still is provided with snatchs the handle.

According to some embodiments of the utility model, the swinging arms is provided with the articulated shaft, the swinging arms passes through the articulated shaft articulates on the articulated seat.

According to some embodiments of the utility model, articulated seat corresponds the position of articulated shaft is provided with the kidney slot, the articulated shaft passes the kidney slot and with kidney slot sliding connection.

According to the utility model discloses a some embodiments, the holding tank is square groove, the end of inserting of connecting portion is square pole.

According to some embodiments of the utility model, the chassis is provided with the balancing weight.

According to some embodiments of the utility model, the chassis is provided with and is used for holding the balancing weight holds the groove.

According to some embodiments of the utility model, the bottom that holds the groove is provided with the through-hole, the bottom of balancing weight is provided with and passes the lug of through-hole, the lug is provided with fixed slot, the balancing weight is through inserting fixed slot's fixed bolt is fixed on holding the groove.

According to the utility model discloses a some embodiments, the chassis be in the bottom that holds the groove be provided with fixing bolt sliding connection's spout, the end of inserting of fixing bolt is provided with the gag lever post, the gag lever post be used for with the spout offsets.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a work support with a storable stand bar according to an embodiment of the present invention;

FIG. 2 is an exploded view of the extension leg and weight shown in FIG. 1;

FIG. 3 is a cross-sectional view of the mounting arrangement of the extension leg and the undercarriage shown in FIG. 1;

FIG. 4 is a schematic view of the undercarriage shown in FIG. 1 in a foot-receiving position;

FIG. 5 is a cross-sectional view of the mounting arrangement of the extension leg and the undercarriage shown in FIG. 4;

FIG. 6 is an exploded view of the extension leg and weight shown in FIG. 1 from another perspective;

fig. 7 is a schematic structural view of a workbench to which the working bracket according to an embodiment of the present invention is applied.

Reference numerals:

the hinge assembly comprises a base frame 100, a hinge seat 110, a first positioning insertion hole 111, a second positioning insertion hole 112, a kidney-shaped groove 113, a swing rod 120, a first pin hole 121, a spring pin 122, an inner cavity 1221, a mounting seat 1222, an insertion pin 1223, a return spring 1224, a grasping handle 1225, a receiving groove 123, a hinge shaft 124, a receiving groove 130, a through hole 140, a sliding groove 150, a hinge pin 112, a hinge pin, a spring retainer, a,

A positioning bolt 200,

An extension leg 300, a connection part 310, a second pin hole 311, a third pin hole 312, a support part 320, a weight 400, a protrusion 410, a fixing slot 411,

Fixing the bolt 500 and the limiting rod 510.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, a work stand with a foldable leg includes:

the chassis 100 is provided with a plurality of hinge seats 110, the hinge seats 110 are provided with first positioning insertion holes 111 on the upper side of the chassis 100, the hinge seats 110 are provided with second positioning insertion holes 112 on the outer side of the chassis 100, the hinge seats 110 are hinged with swing rods 120, the swing rods 120 are provided with first latch holes 121, the first latch holes 121 are used for corresponding to one of the first positioning insertion holes 111 and the second positioning insertion holes 112, and the swing rods 120 are provided with spring latches 122;

a plurality of positioning pins 200 corresponding to the hinge bases 110 one to one; when the first latch hole 121 corresponds to the first positioning receptacle 111, the positioning latch 200 is inserted into the first positioning receptacle 111 and the first latch hole 121; when the first latch hole 121 corresponds to the second positioning receptacle 112, the positioning latch 200 is inserted into the second positioning receptacle 112 and the first latch hole 121;

a plurality of extension legs 300 having a connection part 310 and a support part 320 provided on the connection part 310, the swing end of the swing lever 120 being provided with a receiving groove 123, one end of the connection part 310 being inserted into the receiving groove 123, the insertion end of the connection part 310 being provided with a second latch hole 311 and a third latch hole 312, the central axis of the second latch hole 311 being perpendicular to the central axis of the third latch hole 312; one end of the spring pin 122 is inserted into the receiving groove 123 and into one of the second pin hole 311 and the third pin hole 312.

The extension legs 300 correspond to the swing levers 120 one to one, and the connection parts 310 of the extension legs 300 are used to be inserted into the receiving grooves 123. Referring to fig. 1, the spring latch 122 is located at the upper side of the swing end of the swing lever 120 and can be inserted into the second latch hole 311 or the third latch hole 312 from top to bottom, and there are two hinge seats 110 and, correspondingly, there are two positioning latches 200 and two extension legs 300. The extension leg 300 has two engagement states, when the spring bolt 122 is inserted into the second bolt hole 311, the extension leg 300 is in a supportable state, that is, the lower end of the support part 320 can support the ground, as shown in fig. 1 and 3; when the spring bolt 122 is inserted into the third bolt hole 312, the extension leg 300 is in the storage state, as shown in fig. 4 and 5, that is, the central axis of the supporting portion 320 of the extension leg 300 is horizontal, and the supporting portion 320 cannot be used to support the chassis 100. When the extension leg 300 is inserted into the swing lever 120, the swing lever 120 swings to drive the extension leg 300 to rotate together. The swing lever 120 has two use states, when the positioning latch 200 is inserted into the first positioning insertion hole 111 and the first latch hole 121, the swing lever 120 will be vertically fixed on the base frame 100 in a vertically stored state, as shown in fig. 4 and 5; when the positioning pin 200 is inserted into the second positioning insertion hole 112 and the first pin hole 121, the swing lever 120 is horizontally fixed to the base frame 100, and the connection portion 310 of the extension leg 300 is also horizontal, so that the support portion 320 of the extension leg 300 may contact the ground in a horizontally supporting state, as shown in fig. 1 and 3; when the swing lever 120 is in the vertical storage state and the extension leg 300 is in the storage state, that is, when the spring bolt 122 is inserted into the second bolt hole 311 and the positioning bolt 200 is inserted into the first positioning insertion hole 111 and the first bolt hole 121, the base frame 100 is in the leg storage state, as shown in fig. 4 and 5, the connecting portion 310 of the extension leg 300 and the swing lever 120 will be vertical at this time, and the supporting portion 320 of the extension leg 300 will be parallel to the trunk of the base frame 100, so that when the base frame 100 is in the leg storage state, the occupied space of the base frame 100 can be greatly reduced, thereby facilitating transportation and storage of the base frame 100, facilitating transportation of the work table, facilitating storage of the work table, and expanding the use range of the work table; when the swing lever 120 is in the horizontal supporting state and the extension leg 300 is in the supportable state, that is, when the spring pin 122 is inserted into the third pin hole 312 and the positioning pin 200 is inserted into the second positioning hole 112 and the first pin hole 121, the chassis 100 is in the leg supporting state, as shown in fig. 1 and 3, at this time, the leg may support the chassis 100, so that the chassis 100 is not prone to roll over, thereby achieving the effect of the leg supporting the chassis 100 and stabilizing the chassis 100. When the movable platform needs to be carried, the spring bolt 122 is inserted into the second bolt hole 311, and the positioning bolt 200 is inserted into the first positioning insertion hole 111 and the first bolt hole 121, so that the underframe 100 is in a supporting leg accommodating state, the horizontal occupied space of the underframe 100 is reduced, the transportation and storage of the underframe 100 are facilitated, the transportation of the operation platform and the storage of the operation platform are facilitated, and the use range of the operation platform is expanded; when the workbench needs to be supported by the extending support of the underframe 100, the spring bolt 122 is inserted into the third bolt hole 312 and the positioning bolt 200 is inserted into the second positioning insertion hole 112 and the first bolt hole 121, so that the underframe 100 is in a supporting state of the legs, the underframe 100 is not easy to turn on one side, the legs support the underframe 100, and the underframe 100 is stable. The second and third latch holes 311 and 312 extend through the connection part 310. The base frame 100 has a plurality of universal wheels, and is provided with a brake, so that the base frame 100 can be pushed and the universal wheels can be fixed conveniently. The universal wheel with the brake is the prior art and is not described in detail herein.

In some embodiments of the present invention, referring to fig. 3, the spring bolt 122 includes a mounting seat 1222 having an inner cavity 1221, an inserting pin 1223 passing through the inner cavity 1221, and a return spring 1224 located inside the inner cavity 1221, wherein one end of the return spring 1224 abuts against one end of the inserting pin 1223 close to the connecting portion 310, the other end of the return spring 1224 abuts against the inner cavity 1221, and the mounting seat 1222 is disposed on the swing rod 120. That is, the initial state of the insert pin 1223 is the insert receiving groove 123 for inserting the second plug hole 311 or the third plug hole 312; when the inserted hole needs to be replaced, one end of the insertion pin 1223, which is far away from the connection portion 310, is pulled outwards, so that the insertion pin 1223 is separated from the currently inserted hole, the connection portion 310 of the extension leg 300 can be pulled out of the accommodating groove 123, the position can be conveniently adjusted and then the insertion pin 1223 can be inserted into the accommodating groove 123, and the extension leg 300 can be in different states. When the initial state of the inserting pin 1223 is to be inserted into the second inserting hole 311, the inserting pin 1223 is pulled outwards, the inserting pin 1223 is separated from the second inserting hole 311, then the connecting part 310 is pulled out, the connecting part 310 rotates around the central axis by 90 degrees, and then is inserted into the accommodating groove 123, and finally the inserting pin 1223 is released, the inserting pin 1223 is reset, and then the inserting pin 1223 is inserted into the third inserting hole 312, so that the inserting hole is replaced. Similarly, when the initial state of the inserting pin 1223 is to be inserted into the third pin hole 312, the inserting pin 1223 is pulled out, the connecting portion 310 is pulled out and rotated, the connecting portion 310 is inserted into the receiving groove 123 again, and the inserting pin 1223 is released, so that the inserting hole of the inserting pin 1223 can be changed, and the extending leg 300 can be changed between the two engagement states.

In some embodiments of the present invention, referring to fig. 3, the end of the insert pin 1223 away from the connecting portion 310 is further provided with a grasping handle 1225. When the insert pin 1223 is pulled outwards, the grabbing handle 1225 can be directly grabbed, so that people can pull the insert pin 1223 out of the accommodating groove 123, and the extension leg 300 can be pulled out and inserted conveniently.

In some embodiments of the present invention, referring to fig. 1 to 5, the swing lever 120 is provided with an articulated shaft 124, and the swing lever 120 is articulated on the articulated seat 110 through the articulated shaft 124. The swing lever 120 is hinged to the hinge base 110 through the hinge shaft 124, so that the swing of the swing lever 120 can be more stable and accurate.

In some embodiments of the present invention, referring to fig. 1 to 5, the hinge base 110 is provided with a kidney-shaped groove 113 corresponding to the position of the hinge shaft 124, and the hinge shaft 124 passes through the kidney-shaped groove 113 and is slidably connected with the kidney-shaped groove 113. Namely, the hinge shaft 124 can slide on the kidney-shaped groove 113, the kidney-shaped groove 113 is located inside the hinge base 110 and is vertical, when the swing rod 120 is disengaged from the second positioning insertion hole 112 and the first positioning insertion hole 111, the swing rod 120 can drive the extension leg 300 to slide on the kidney-shaped groove 113; when the feet are required to be stored, the swing rod 120 will swing to the vertical, and then the hinge shaft 124 on the swing rod 120 will slide downward, so that the lower end of the swing rod 120 leans against the chassis 100, and then the positioning latch 200 is inserted into the first positioning insertion hole 111 and the first latch hole 121, so as to fix the swing rod 120, and the chassis 100 reaches the feet storage state. This arrangement may reduce the height of the swing rod 120 and the extension leg 300 after storage, reducing the vertical footprint of the undercarriage 100.

In some embodiments of the present invention, referring to fig. 2, the holding groove 123 is a square groove, and the insertion end of the connecting portion 310 is a square rod. The square groove and the square rod are matched, so that the extension supporting leg 300 can be conveniently and accurately rotated by 90 degrees, the spring bolt 122 is simpler to transform the jack, and the extension supporting leg 300 is simpler to switch between a supporting state and a storage state and is convenient to use.

In some embodiments of the present invention, referring to fig. 2 and 6, the bottom frame 100 is provided with a weight 400. The counterweight 400 can increase the weight of the undercarriage 100 and reduce the probability of the workbench rolling over.

In some embodiments of the present invention, referring to fig. 2 and 6, the bottom frame 100 is provided with a holding groove 130 for holding the weight block 400. The holding groove 130 can better place the balancing weight 400, so that the balancing weight 400 is prevented from moving around on the bottom frame 100, and the gravity center of the bottom frame 100 is ensured to be unchanged.

In some embodiments of the present invention, referring to fig. 2 and 6, the bottom of the holding groove 130 is provided with the through hole 140, the bottom of the weight 400 is provided with the projection 410 passing through the through hole 140, the projection 410 is provided with the fixing slot 411, and the weight 400 is fixed on the holding groove 130 by the fixing bolt 500 inserted into the fixing slot 411. Utilize fixing bolt 500 to pass through the fixed slot 411 of fixing at balancing weight 400 promptly, let balancing weight 400 fix on holding groove 130, can let balancing weight 400 fix on chassis 100 better, can let fixing bolt 500 withdraw from fixed slot 411 when carrying chassis 100 in addition, can put down balancing weight 400 afterwards, reduce chassis 100's weight to it is more convenient to let chassis 100 or workstation transport.

In some embodiments of the present invention, referring to fig. 2 and 6, the bottom frame 100 is provided with a sliding groove 150 slidably connected to the fixing bolt 500 at the bottom of the containing groove 130, the inserting end of the fixing bolt 500 is provided with a limiting rod 510, and the limiting rod 510 is used for offsetting against the sliding groove 150. That is, the fixing pin 500 is slidably inserted into the sliding groove 150, and when the counterweight block 400 is fixed, the fixing pin 500 can be inserted into the fixing slot 411, so that the counterweight block 400 is fixed. When the fixing plug 500 is separated from the fixing slot 411, the limiting rod 510 will abut against the sliding slot 150, so that the fixing plug 500 will not be separated from the sliding slot 150, thereby preventing the fixing plug 500 from being lost. And the cross-sectional size of the end of the fixing bolt 500 far away from the limiting rod 510 is larger than the cross-sectional size of the sliding groove 150, so that the fixing bolt 500 can be ensured not to be separated from the sliding groove 150, and the fixing bolt 500 is ensured to be always in sliding connection with the sliding groove 150.

A work support with a foldable leg according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 7. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

The chassis 100 is provided with a plurality of hinge seats 110, the hinge seats 110 are provided with first positioning insertion holes 111 on the upper side of the chassis 100, the hinge seats 110 are provided with second positioning insertion holes 112 on the outer side of the chassis 100, the hinge seats 110 are all hinged with swing rods 120, the swing rods 120 are provided with first latch holes 121, the first latch holes 121 are used for corresponding to one of the first positioning insertion holes 111 and the second positioning insertion holes 112, the swing rods 120 are provided with spring latches 122, and the positioning latches 200 are in one-to-one correspondence with the hinge seats 110; when the first latch hole 121 corresponds to the first positioning receptacle 111, the positioning latch 200 is inserted into the first positioning receptacle 111 and the first latch hole 121; when the first pin hole 121 corresponds to the second positioning hole 112, the positioning pin 200 is inserted into the second positioning hole 112 and the first pin hole 121, the plurality of extension legs 300 have a connecting portion 310 and a supporting portion 320 disposed on the connecting portion 310, the swing end of the swing lever 120 is provided with an accommodating groove 123, one end of the connecting portion 310 is inserted into the accommodating groove 123, the insertion end of the connecting portion 310 is provided with a second pin hole 311 and a third pin hole 312, and the central axis of the second pin hole 311 is perpendicular to the central axis of the third pin hole 312; one end of the spring pin 122 is inserted into the receiving groove 123 and into one of the second pin hole 311 and the third pin hole 312. The spring bolt 122 includes a mounting seat 1222 having an inner cavity 1221, an insertion pin 1223 passing through the inner cavity 1221, and a return spring 1224 located inside the inner cavity 1221, wherein one end of the return spring 1224 abuts against one end of the insertion pin 1223 near the connection portion 310, the other end of the return spring 1224 abuts against the inner cavity 1221, and the mounting seat 1222 is disposed on the swing lever 120. The end of the insertion pin 1223 remote from the connection portion 310 is also provided with a grip handle 1225. The swing lever 120 is provided with a hinge shaft 124, and the swing lever 120 is hinged to the hinge base 110 through the hinge shaft 124. The hinge base 110 is provided with a kidney-shaped slot 113 corresponding to the hinge shaft 124, and the hinge shaft 124 passes through the kidney-shaped slot 113 and is slidably connected with the kidney-shaped slot 113. The accommodating groove 123 is a square groove, and the insertion end of the connecting portion 310 is a square rod. The base frame 100 is provided with a weight 400. The base frame 100 is provided with a holding groove 130 for holding the weight 400. The bottom of the holding groove 130 is provided with a through hole 140, the bottom of the balancing weight 400 is provided with a projection 410 penetrating through the through hole 140, the projection 410 is provided with a fixing slot 411, and the balancing weight 400 is fixed on the holding groove 130 by a fixing bolt 500 inserted into the fixing slot 411. The bottom frame 100 is provided with a sliding groove 150 slidably connected with the fixing bolt 500 at the bottom of the containing groove 130, the insertion end of the fixing bolt 500 is provided with a limiting rod 510, and the limiting rod 510 is used for abutting against the sliding groove 150. When the movable platform needs to be carried, the spring bolt 122 is inserted into the second bolt hole 311, and the positioning bolt 200 is inserted into the first positioning insertion hole 111 and the first bolt hole 121, so that the underframe 100 is in a supporting leg accommodating state, the horizontal occupied space of the underframe 100 is reduced, the transportation and storage of the underframe 100 are facilitated, the transportation of the operation platform and the storage of the operation platform are facilitated, and the use range of the operation platform is expanded; when the workbench needs to be supported by the extending support of the underframe 100, the spring bolt 122 is inserted into the third bolt hole 312 and the positioning bolt 200 is inserted into the second positioning insertion hole 112 and the first bolt hole 121, so that the underframe 100 is in a supporting state of the legs, the underframe 100 is not easy to turn on one side, the legs support the underframe 100, and the underframe 100 is stable. The hinge shaft 124 can slide on the kidney-shaped groove 113, the kidney-shaped groove 113 is located inside the hinge base 110 and is vertical, and when the swing rod 120 is separated from the second positioning insertion hole 112 and the first positioning insertion hole 111, the swing rod 120 can drive the extension leg 300 to slide on the kidney-shaped groove 113; when the feet are required to be stored, the swing rod 120 will swing to the vertical, and then the hinge shaft 124 on the swing rod 120 will slide downward, so that the lower end of the swing rod 120 leans against the chassis 100, and then the positioning latch 200 is inserted into the first positioning insertion hole 111 and the first latch hole 121, so as to fix the swing rod 120, and the chassis 100 reaches the feet storage state. This arrangement may reduce the height of the swing rod 120 and the extension leg 300 after storage, reducing the vertical footprint of the undercarriage 100. The fixing pin 500 is slidably inserted into the sliding slot 150, and when the weight 400 is fixed, the fixing pin 500 is inserted into the fixing slot 411 to fix the weight 400. When the fixing plug 500 is separated from the fixing slot 411, the limiting rod 510 will abut against the sliding slot 150, so that the fixing plug 500 will not be separated from the sliding slot 150, thereby preventing the fixing plug 500 from being lost. And the cross-sectional size of the end of the fixing bolt 500 far away from the limiting rod 510 is larger than the cross-sectional size of the sliding groove 150, so that the fixing bolt 500 can be ensured not to be separated from the sliding groove 150, and the fixing bolt 500 is ensured to be always in sliding connection with the sliding groove 150.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. An exercise stand with stowable legs, comprising:

the chassis (100) is provided with a plurality of hinge seats (110), a first positioning jack (111) is arranged on the upper side of the chassis (100) of each hinge seat (110), a second positioning jack (112) is arranged on the outer side of the chassis (100) of each hinge seat (110), swing rods (120) are hinged to the hinge seats (110), first bolt holes (121) are formed in the swing rods (120), the first bolt holes (121) are used for corresponding to one of the first positioning jacks (111) and the second positioning jacks (112), and spring bolts (122) are arranged on the swing rods (120);

a plurality of positioning bolts (200) corresponding to the hinge seats (110) one to one; when the first plug hole (121) corresponds to the first positioning receptacle (111), the positioning plug (200) is inserted into the first positioning receptacle (111) and the first plug hole (121); when the first plug hole (121) corresponds to the second positioning plug hole (112), the positioning plug (200) is inserted into the second positioning plug hole (112) and the first plug hole (121);

the plurality of extending support legs (300) are provided with connecting parts (310) and supporting parts (320) arranged on the connecting parts (310), the swinging ends of the swinging rods (120) are provided with accommodating grooves (123), one ends of the connecting parts (310) are inserted into the accommodating grooves (123), the insertion ends of the connecting parts (310) are provided with second plug pin holes (311) and third plug pin holes (312), and the central axes of the second plug pin holes (311) and the third plug pin holes (312) are vertical; one end of the spring bolt (122) is inserted into the receiving groove (123) and is inserted into one of the second bolt hole (311) and the third bolt hole (312).

2. A leg stowable work support according to claim 1, characterised in that: the spring bolt (122) comprises a mounting seat (1222) with an inner cavity (1221), an insertion pin (1223) penetrating through the inner cavity (1221), and a return spring (1224) located inside the inner cavity (1221), wherein one end of the return spring (1224) abuts against one end, close to the connecting portion (310), of the insertion pin (1223), the other end of the return spring (1224 abuts against the inner cavity (1221), and the mounting seat (1222) is arranged on the swing rod (120).

3. A leg-stowable work support according to claim 2, characterised in that: and a grabbing handle (1225) is further arranged at one end, away from the connecting part (310), of the insertion pin (1223).

4. A leg stowable work support according to claim 1, characterised in that: the swing rod (120) is provided with a hinged shaft (124), and the swing rod (120) is hinged on the hinged seat (110) through the hinged shaft (124).

5. A leg-stowable work support according to claim 4, wherein: the hinge seat (110) is provided with a kidney-shaped groove (113) corresponding to the position of the hinge shaft (124), and the hinge shaft (124) penetrates through the kidney-shaped groove (113) and is in sliding connection with the kidney-shaped groove (113).

6. A leg stowable work support according to claim 1, characterised in that: the holding tank (123) is a square tank, and the insertion end of the connecting part (310) is a square rod.

7. A leg stowable work support according to claim 1, characterised in that: the underframe (100) is provided with a balancing weight (400).

8. A leg-stowable work support according to claim 7, wherein: the underframe (100) is provided with a containing groove (130) for containing the balancing weight (400).

9. A leg stowable work support according to claim 8, wherein: the bottom that holds groove (130) is provided with through-hole (140), the bottom of balancing weight (400) is provided with and passes lug (410) of through-hole (140), lug (410) are provided with fixed slot (411), balancing weight (400) are fixed on holding groove (130) through inserting fixed bolt (500) of fixed slot (411).

10. A leg stowable work support according to claim 9, characterised in that: the bottom frame (100) hold the bottom of groove (130) be provided with fixed bolt (500) sliding connection's spout (150), the end of inserting of fixed bolt (500) is provided with gag lever post (510), gag lever post (510) be used for with spout (150) counterbalance.

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