CN113701020B

CN113701020B - Multifunctional bracket

Info

Publication number: CN113701020B
Application number: CN202111126604.7A
Authority: CN
Inventors: 夏美华
Original assignee: Dongguan Osmtech Digital Co ltd
Current assignee: Dongguan Osmtech Digital Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2025-01-14
Anticipated expiration: 2041-09-24
Also published as: CN113701020A

Abstract

The present invention discloses a multifunctional bracket, which includes a support component, a pan-tilt component and a tripod component. The support component has a first end and a second end opposite to each other along its length direction; the pan-tilt component is telescopically arranged at the first end of the support component, and the pan-tilt component is used to place a load device; the tripod component is switchably arranged at the second end of the support component between a support position and a storage position. The present invention proposes a multifunctional bracket, wherein the support pan-tilt of the bracket can be stored in a support rod, the support frame can be folded on the support rod, the support pan-tilt can adjust the support angle arbitrarily, and can be flexibly switched between different support positions to realize the function of supporting small load devices and large load devices, and is suitable for a variety of application scenarios.

Description

Multifunctional support

Technical Field

The invention relates to the technical field of holders, in particular to a multifunctional support.

Background

With the development of science and technology, various electronic devices, especially smart phones, tablet computers, palm learning machines and the like, and supports or holders matched with the electronic devices are usually only used for single products, so that users often need to purchase multiple supports such as mobile phone supports, tablet computer supports and projector supports, the cost of purchasing the supports or holders by the users is high, and the use is troublesome.

Therefore, it is desirable to design a stand that can be used to support a variety of electronic devices.

Disclosure of Invention

The invention mainly aims to provide a multifunctional bracket, which aims to realize a bracket for supporting various electronic equipment so as to be convenient for a user to use.

In order to achieve the above object, the present invention provides a multifunctional bracket comprising:

a support assembly having opposite first and second ends;

The cradle head assembly is arranged at the first end of the supporting assembly in a telescopic mode and used for placing a load device, and

The foot rest assembly is switchably arranged at the second end of the supporting assembly between a supporting position and a containing position.

Optionally, the support assembly includes:

The pull rod assembly comprises an outer pull rod, a first eccentric rod and a second eccentric rod, wherein the first eccentric rod and the second eccentric rod are in telescopic connection with the outer pull rod, and the outer end of the second eccentric rod is the first end of the supporting assembly;

A sleeve assembly sleeved at the outer end of the outer pull rod, a cradle head assembly connected with the outer end of the second eccentric rod and movably embedded in the sleeve assembly, and

The locking knob assembly is arranged on the sleeve assembly in a rotating mode and used for loosening or locking the holder assembly.

Optionally, the sleeve assembly comprises a bracket sleeve and a nut embedded in the bracket sleeve, and an embedded stud which is in threaded connection and is matched with the locking knob assembly is arranged at a position corresponding to the nut, so that the locking knob assembly is in threaded connection with the sleeve assembly.

Optionally, the locking knob assembly further comprises a knob and a limiting block, one end of the embedded stud is fixed in the knob, the other end of the embedded stud is screwed into the nut and abuts against the limiting block, and the limiting block is connected with the pull rod assembly to limit the pull rod assembly to do axial telescopic movement.

Optionally, the holder assembly includes a holder cover and a spring hose, the holder cover is connected with the outer end of the second eccentric rod through the spring hose, the spring hose can be stored in the pull rod assembly, and when the spring hose is in a storage state, the holder cover is in threaded connection with the bracket sleeve.

Optionally, the pan-tilt assembly further comprises an inner tube tail plug, and the spring hose is connected with the outer end of the second eccentric rod through the inner tube tail plug.

Optionally, the tripod head cover comprises a tripod head knob, a stud and a cover plate, the cover plate is covered on the tripod head knob, the tripod head knob is in threaded connection with the support sleeve, one end of the stud is fixed on the tripod head knob, and the other end of the stud extends out of the tripod head knob through the cover plate to be arranged.

Optionally, the foot rest subassembly includes a plurality of foot rest handles and a plurality of bracing piece, and is a plurality of the foot rest handles pass through the foot rest seat and are set up respectively on the perisporium of outer pull rod, the bracing piece with the foot rest handle sets up one to one, the one end of bracing piece pass through the fixing base set up in on the outer pull rod, the other end of bracing piece with the foot rest handle leads to sliding connection.

Optionally, the stand seat comprises a stand surface cover and a stand bottom cover, the stand surface cover is fixed on the outer pull rod, and the stand bottom cover is covered on the stand surface cover;

the foot rest assembly further comprises a first ground nail and a second ground nail, wherein the first ground nail is arranged on the near-ground end of the foot rest face cover, and the second ground nail is arranged on the near-ground end of each foot rest handle.

Optionally, the fixing base includes handle seat and fixed swivel, the handle seat cover is located on the outer pull rod, a plurality of the tip interval of bracing piece set up in on the handle seat, fixed swivel cover is located on the outer pull rod and with handle seat threaded connection is used for loosening or locking the handle seat with the outer pull rod adjusts a plurality of the angle of opening of foot rest handle.

In the technical scheme of the invention, the multifunctional bracket comprises the supporting component, the tripod head component and the foot rest component, wherein the supporting component is provided with the first end and the second end which are opposite along the length direction of the supporting component, the tripod head component is telescopically arranged at the first end of the supporting component, the tripod head component is used for placing the load device, and the foot rest component is switchably arranged at the second end of the supporting component between the supporting position and the storage position, so that the tripod head component can be telescopically converted between different supporting positions, the whole tripod head component and the load on the tripod head component can be well supported by the foot rest component, the function of the bracket for supporting various electronic equipment is further realized, and the bracket is convenient for a user to use. Meanwhile, the foot rest assembly is arranged at the second end of the supporting assembly in a switchable mode between the supporting position and the storage position, so that the storage function of the foot rest assembly is achieved, and the convenience of use of a user is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a multifunctional stand according to an embodiment of the present invention;

FIG. 2 is a schematic view of a multifunctional stand according to an embodiment of the present invention in a supporting state;

FIG. 3 is a schematic view of a multifunctional stand according to an embodiment of the present invention in yet another supporting state;

FIG. 4 is an exploded view of one embodiment of the multi-function bracket of the present invention;

FIG. 5 is a partial cross-sectional view of an embodiment of the multi-functional bracket of the present invention with the stationary swivel and the handle base in an undamped condition;

FIG. 6 is a partial cross-sectional view of a multi-functional bracket according to an embodiment of the present invention with a locking ring and a handle base;

FIG. 7 is a partial cross-sectional view of a cradle head assembly in a collapsed state according to an embodiment of the multi-function bracket of the present invention;

fig. 8 is a partial cross-sectional view of a pan-tilt assembly in an extended state in accordance with an embodiment of the multi-function bracket of the present invention.

Reference numerals illustrate:

10. The device comprises a support assembly, 20, a holder assembly, 30, a foot rest assembly, 11, a pull rod assembly, 12, a sleeve assembly, 13, a locking knob assembly, 111, an outer pull rod, 112, a first eccentric rod, 113, a second eccentric rod, 121, a bracket sleeve, 122, a nut, 131, an embedded stud, 132, a knob, 133, a limiting block, 21, a holder cover, 22, a spring hose, 23, an inner tube tail plug, 211, a holder knob, 212, a stud, 213, a cover plate, 31, a foot rest handle, 32, a support rod, 40, a foot rest seat, 50, a fixed seat, 41, a foot rest face cover, 42, a foot rest bottom cover, 43, a first ground nail, 44, a second ground nail, 51, a handle seat, 52 and a fixed rotary ring.

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B meet at the same time. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The invention provides a multifunctional bracket which can be applied to various indoor and outdoor scenes, is suitable for supporting small-load digital products such as smart phones, tablet computers and the like, can adjust angles and heights according to user requirements, can also be suitable for supporting large-load devices such as projectors, laser televisions and the like, can be switched into the large-load cradle head by randomly adjusting a supporting cradle head, can also meet outdoor requirements, can be suitable for supporting equipment such as cameras, astronomical telescopes and the like, and has stable supporting and wind resistance.

Referring to fig. 1 and 2, in one embodiment of the present invention, the multifunctional stand includes a support assembly 10, a pan-tilt assembly 20 and a stand assembly 30, wherein the support assembly 10 has a first end and a second end opposite to each other, the pan-tilt assembly 20 is telescopically disposed at the first end of the support assembly 10, the pan-tilt assembly 20 is used for placing a load device, and the stand assembly 30 is switchably disposed at the second end of the support assembly 10 between a supporting position and a storage position.

In this embodiment, the supporting component 10 may be assembled from a plurality of parts, and may be plastic parts, metal parts or a combination thereof, which is not limited herein. Preferably, the support assembly 10 may be in a long cylindrical structure, which is hollow to save material and ensure overall stability.

The holder assembly 20 may include a telescopic member and a support stand, the telescopic member may be a spring hose, a sliding mechanism, a lifting mechanism, etc., the support stand may be adapted according to a product of a main application, and may be made into various support stand structures that can be replaced by a user conveniently, which is not limited herein.

The foot rest assembly 30 may be formed by three or more support legs, which may be uniformly distributed along the peripheral wall of the support assembly 10, and may be disposed at the proximal end of the support assembly 10 by a folding mechanism, a telescopic mechanism, or the like, and the specific structure thereof is not limited herein.

It can be understood that, according to the invention, the support assembly 10 of the multifunctional bracket is provided with the first end and the second end which are opposite, the tripod head assembly 20 is telescopically arranged at the first end of the support assembly 10, the tripod head assembly 20 is used for placing a load device, and the tripod head assembly 30 is switchably arranged at the second end of the support assembly 10 between the support position and the storage position, so that the tripod head assembly 20 can be telescopically converted between different support positions, the tripod head assembly 30 can well support the whole tripod head assembly 20 and the load thereon, thereby realizing the function of the bracket for supporting various electronic devices, and facilitating the use of users. Meanwhile, the foot rest assembly 30 is arranged at the second end of the support assembly 10 in a switchable manner between the support position and the storage position, so that the storage function of the foot rest assembly 30 is realized, and the convenience of use of a user is improved.

In order to further enhance the stability of the multifunctional stand and to enable the pan-tilt assembly 20 to be adjusted between a plurality of positions so as to carry a small load and a large load of products, in an embodiment, referring to fig. 2 to 4, the support assembly 10 may include a pull rod assembly 11, a sleeve assembly 12 and a locking knob assembly 13, the pull rod assembly 11 includes an outer pull rod 111, and a first eccentric rod 112 and a second eccentric rod 113 telescopically connected to the outer pull rod 111, an outer end of the second eccentric rod 113 is a first end of the support assembly 10, the sleeve assembly 12 is sleeved on an outer end of the outer pull rod 111, the pan-tilt assembly 20 is connected to an outer end of the second eccentric rod 113 and is movably embedded in the sleeve assembly 12, and the locking knob assembly 13 is rotatably arranged on the sleeve assembly 12 so as to release or lock the pan-tilt assembly 20.

In this embodiment, the outer diameter of the first eccentric rod 112 is smaller than that of the outer rod 111, the outer diameter of the second eccentric rod 113 is smaller than that of the first eccentric rod 112, the first eccentric rod 112 can be accommodated in the outer rod 111, and the second eccentric rod 113 can be accommodated in the first eccentric rod 112. In addition, through setting up first eccentric rod 112 and second eccentric rod 113, can make this multi-functional support stretch out in the support scene of first eccentric rod 112 and second eccentric rod 113, whole focus can be more stable, has greatly improved this multi-functional support's steadiness.

In order to improve the stability and the convenience of use of the multifunctional bracket, in an embodiment, referring to fig. 3 and 4, the sleeve assembly 12 may include a bracket sleeve 121 and a nut 122 embedded in the bracket sleeve 121, and the locking knob assembly 13 is provided with an embedded stud 131 in a threaded fit corresponding to the position of the nut 122, so that the locking knob assembly 13 is in threaded connection with the sleeve assembly 12.

Further, in an embodiment, referring to fig. 3 and 4, the locking knob assembly 13 further includes a knob 132 and a stopper 133, one end of the embedded stud 131 is fixed in the knob 132, and the other end of the embedded stud 131 is screwed into the nut 122 and abuts against the stopper 133, and as shown in fig. 7 and 8, the stopper 133 is connected with the pull rod assembly 11 to limit the pull rod assembly 11 to perform an axial telescopic movement. So set up, can strengthen the steadiness of whole support, also can make things convenient for the user to lock cloud platform subassembly 20 by oneself simultaneously, adjust suitable position to the convenience of customers uses the support.

In order to achieve the function of adjusting any angle of the pan-tilt, so as to facilitate the user to support the smart phone, the camera, etc. by using the multifunctional stand, in an embodiment, referring to fig. 1 to 3, the pan-tilt assembly 20 may include a pan-tilt cover 21 and a spring hose 22, the pan-tilt cover 21 is connected with the outer end of the second eccentric rod 113 through the spring hose 22, the spring hose 22 may be received in the pull rod assembly 11, and the pan-tilt cover 21 is in threaded connection with the stand sleeve 121 when the spring hose 22 is in the receiving state.

Wherein, connect cloud platform lid 21 and second eccentric rod 113 through spring hose 22, on the one hand, realized the function that the arbitrary angle of cloud platform is adjustable, on the other hand, also can lengthen the length of whole supporting component 10 to use wider application scenario, improved the practicality.

In this embodiment, this multi-functional support is portable lazy people's support as an organic whole, and spring hose 22 is hidden inside the eccentric pole 113 of second, accomodates the back and is integrated into one piece molding, conveniently carries, and the outward appearance is clean and tidy. The spring hose 22 can be pulled out to randomly adjust the position of the holder, and can be recycled and locked in the sleeve to form an integrated powerful stable holder, and the holder can also be used as a bracket of a projector, an aurora television and the like, so that the use scene is greatly enriched.

In this embodiment, as shown in fig. 7 and 8, the limiting block 133 may be used to limit and compress the spring hose 22 of the pan-tilt assembly 20 under the control of the knob 132, so as to limit the axial telescopic movement of the pull rod assembly 11, so as to provide stability of the multifunctional bracket.

Referring primarily to fig. 4, in an embodiment, the pan-tilt assembly 20 may further include an inner tube tail plug 23, and the spring hose 22 is connected to an outer end of the second eccentric rod 113 through the inner tube tail plug 23. By the arrangement, the spring hose 22 and the second eccentric rod 113 can be conveniently connected, the telescopic movement of the second eccentric rod 113 is not influenced, and the stability of the whole bracket can be improved.

In order to improve the stability of the holder of the multifunctional bracket and facilitate connection with the support assembly 10, in an embodiment, referring mainly to fig. 3 and 4, the holder cover 21 may include a holder knob 211, a stud 212 and a cover plate 213, the cover plate 213 is covered on the holder knob 211, the holder knob 211 is in threaded connection with the bracket sleeve 121, one end of the stud 212 is fixed on the holder knob 211, and the other end of the stud 212 extends out of the holder knob 211 through the cover plate 213.

In this embodiment, the pan-tilt knob 211 and the cover plate 213 can play a role in supporting small-load and large-load products, and meanwhile, by setting the spiral structure, the pan-tilt assembly 20 can be conveniently in threaded connection with the bracket sleeve 121, so as to achieve better stability.

In operation, the cradle head cover 21 is rotated and twisted in the outer pull rod 111, the spring hose 22 can form a heavy-load cradle head which can be used for placing relatively heavy equipment such as a projector and a smart television, and the cradle head cover 21 is rotated and twisted loose to be pulled up, so that a free cradle head can be formed, and relatively light products such as a smart phone and a tablet personal computer can be placed.

In order to improve the stability of the multifunctional stand when supporting a heavy-load product, in an embodiment, referring to fig. 1 to 4, the stand assembly 30 may include a plurality of stand handles 31 and a plurality of support rods 32, the plurality of stand handles 31 are respectively disposed on the peripheral wall of the outer tie rod 111 through the stand base 40, the support rods 32 are disposed on the outer tie rod 111 one by one with the stand handles 31, one end of the support rods 32 is disposed on the outer tie rod 111 through the fixing base 50, and the other end of the support rods 32 is in sliding connection with the stand handles 31. So, through setting up a plurality of bracing pieces 32 that adopt sliding construction, realized can slide the switching with foot rest handle 31 between supporting position and storage position, improved the use convenience of this multi-functional support, when guaranteeing certain steadiness, also convenience of customers accomodates and carries.

Further, in some embodiments, referring to fig. 3 and 4, the foot rest 40 may comprise a foot rest cover 41 and a foot rest bottom cover 42, wherein the foot rest cover 41 is fixed on the outer pull rod 111, the foot rest bottom cover 42 is arranged on the foot rest cover 41, the foot rest assembly 30 further comprises a first ground nail 43 and a second ground nail 44, the first ground nail 43 is arranged on the proximal end of the foot rest cover 41, and the second ground nail 44 is arranged on the proximal end of each foot rest handle 31.

The first ground pin 43 and the second ground pin 44 are configured accessories, and in an outdoor scenario, the first ground pin 43 and the second ground pin 44 are inserted into corresponding ground pin holes on the bracket for use.

It will be appreciated that the multi-functional stand can be used to support heavy duty products such as projectors, cameras and astronomical telescopes when outdoors due to the provision of the first ground peg 43 and the second ground peg 44.

In order to conveniently adjust the stand assembly 30, so as to more conveniently and flexibly adjust the stand handle 31 between the storage position and the supporting position, in an embodiment, referring to fig. 3 to 6, the fixing base 50 includes a handle base 51 and a fixing rotary ring 52, the handle base 51 is sleeved on the outer pull rod 111, the end portions of the plurality of support rods 32 are arranged on the handle base 51 at intervals, the fixing rotary ring 52 is sleeved on the outer pull rod 111 and is in threaded connection with the handle base 51, so as to be used for loosening or locking the handle base 51 and the outer pull rod 111, and adjusting the opening angles of the plurality of stand handles 31.

In this embodiment, the handle seat 51 is pressed by the rotary fixing rotary ring 52 to hold the outer pull rod 111 tightly, the tripod handle 31 can be pulled tightly by the support rod 32, and when the tripod is opened, the rotary fixing rotary ring 52 is rotated clockwise or anticlockwise to open the tripod, and then the rotary fixing rotary ring 52 is rotated reversely to lock, so that the tripod handle 31 can be pulled tightly by the support rod 32 to keep a stable locking state, so that the tripod assembly 30 can stably support the tripod head assembly 20 and the load thereon.

In the use process, when the foot rest assembly 30 is at the storage position, the foot rest handle 31 can be adjusted to a supporting state by opening the foot rest handle 31, in the process, the supporting rod 32 moves downwards to support the foot rest handle 31, the handle seat 51 and the outer pull rod 111 can be loosened by rotating the fixed rotating ring 52, the opening angle of the foot rest handle 31 can be adjusted by moving the foot rest handle 31 or the fixed seat 50 up and down, the supporting range of the foot rest handle 31 can be adjusted, and after the supporting range is adjusted to a proper supporting angle, the handle seat 51 and the outer pull rod 111 can be locked and fixed by rotating the fixed rotating ring 52. When the stand assembly 30 is at the supporting position, the fixing ring 52 can be released first, and then the stand handle 31 is pushed upwards to switch the self-supporting state to the storage state, and in this process, the stand handle 31 drives the supporting rod 32 to move upwards, so as to complete the storage of the stand assembly 30.

It should be noted that, according to different usage scenarios, the adjustable foot rest assembly 30 can be opened to different support areas, and holes are left at the bottom of the foot rest bottom cover 42 and at the tail end of the foot rest handle 31, so as to determine whether to use ground nails to assist reinforcement according to whether the usage site is lawn, beach, mud land or the like.

It should be noted that the overall shape of the multifunctional support is not limited to a cylinder, but may be square or other shapes, and the stand assembly 30 is not limited to three feet, but may be four feet or more.

The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. A multi-functional bracket, comprising:

a support assembly having opposite first and second ends;

The foot rest assembly is arranged at the second end of the supporting assembly in a switchable manner between a supporting position and a containing position;

The support assembly comprises a pull rod assembly, a sleeve assembly and a locking knob assembly, wherein the pull rod assembly comprises an outer pull rod, a first eccentric rod and a second eccentric rod which are in telescopic connection with the outer pull rod, the outer end of the second eccentric rod is a first end of the support assembly, the sleeve assembly is sleeved at the outer end of the outer pull rod, the holder assembly is arranged at the outer end of the second eccentric rod and is movably embedded in the sleeve assembly, the locking knob assembly is rotatably arranged on the sleeve assembly and is used for loosening or locking the holder assembly, the sleeve assembly comprises a support sleeve and a nut embedded in the support sleeve, and an embedded stud which is in threaded connection with the locking knob assembly is arranged at a position corresponding to the nut so as to enable the locking knob assembly to be in threaded connection with the sleeve assembly;

The foot rest assembly comprises a plurality of foot rest handles and a plurality of support rods, the foot rest handles are respectively arranged on the peripheral wall of the outer pull rod through foot rest bases, the support rods are arranged one by one with the foot rest handles, one ends of the support rods are arranged on the outer pull rod through fixing seats, the other ends of the support rods are connected with the foot rest handles in a sliding mode, the foot rest bases comprise foot rest face covers and foot rest bottom covers, the foot rest face covers are fixed on the outer pull rod, the foot rest bottom covers are arranged on the foot rest face covers, the foot rest assembly further comprises first ground nails and second ground nails, the first ground nails are arranged on the near-ground ends of the foot rest face covers, and the near-ground ends of the foot rest handles are respectively provided with the second ground nails.

2. The multi-purpose bracket of claim 1, wherein the locking knob assembly further comprises a knob and a stopper, wherein one end of the embedded stud is fixed in the knob, the other end of the embedded stud is screwed into the nut and abuts against the stopper, and the stopper is connected with the pull rod assembly to limit the pull rod assembly to perform axial telescopic movement.

3. The multi-purpose bracket of claim 2, wherein the pan-tilt assembly comprises a pan-tilt cap and a spring hose, the pan-tilt cap is disposed at an outer end of the second eccentric rod through the spring hose, the spring hose is receivable in the pull rod assembly, and the pan-tilt cap is threadedly coupled with the bracket sleeve when the spring hose is in the received state.

4. The multi-purpose bracket of claim 3, wherein the pan-tilt assembly further comprises an inner tube tail plug, the spring hose being connected to the bottom of the second eccentric rod through the inner tube tail plug.

5. The multifunctional support of claim 3, wherein the holder cover comprises a holder knob, a stud and a cover plate, the cover plate is covered on the holder knob, the holder knob is in threaded connection with the support sleeve, one end of the stud is fixed on the holder knob, and the other end of the stud extends out of the holder knob through the cover plate.

6. The multifunctional support according to claim 1, wherein the fixing base comprises a handle seat and a fixing rotary ring, the handle seat is sleeved on the outer pull rod, the end parts of the plurality of support rods are arranged on the handle seat at intervals, and the fixing rotary ring is sleeved on the outer pull rod and is in threaded connection with the handle seat, so that the handle seat and the outer pull rod are loosened or locked, and the opening angle of the plurality of foot stool handles is adjusted.