Disclosure of Invention
The present invention is directed to a multifunctional portable foldable fixing support seat to overcome the above-mentioned deficiencies of the prior art.
The technical scheme adopted by the invention for solving the problems in the prior art is as follows: a multifunctional portable foldable fixed supporting seat comprises a base, an inserting cylinder, a plurality of telescopic supporting rods and a plurality of grabbing lugs; wherein,
the inserting cylinder is vertically and fixedly arranged in the middle of the upper end face of the base, a plurality of hinge seats are uniformly and fixedly arranged on the periphery of the upper end face of the base around the inserting cylinder, the connecting ends of a plurality of telescopic supporting rods are correspondingly hinged with the hinge seats, and the tail ends of the telescopic supporting rods are correspondingly connected with a plurality of grabbing lugs;
when any one of the telescopic supporting rods is rotated, any one of the telescopic supporting rods can be upwards rotated to the vertical direction from the horizontal direction along the corresponding hinged seat so as to be folded to be attached to the outer wall of the inserting cylinder.
The above technical solution is further described as follows:
preferably, a plurality of the hinged seats are respectively connected with the upper end surface of the base and the outer wall of the lower end of the inserting cylinder in a welding mode to form a whole.
Preferably, four corners of the upper end surface of the base are respectively provided with a fixed mounting hole penetrating to the lower end surface of the base.
Preferably, a plurality of grab ears all take the shape of platykurtic structure to set firmly in many correspondingly the terminal lower bottom surface of telescopic bracing piece, and every grab the four corners of the up end of ear and seted up the fixed mounting hole that runs through to its lower terminal surface respectively.
Preferably, the plurality of hinge seats are all formed into a U-shaped structure and respectively comprise a first vertical fixing plate, a transverse connecting plate and a second vertical fixing plate which are sequentially connected; every all set firmly a articulated shaft, every between the middle part of the vertical fixed plate of first vertical fixed plate of articulated seat and the middle part of the vertical fixed plate of second a first via hole has all been seted up, many the articulated shaft is corresponding to wear to locate a plurality of in the first via hole, so that many the link of telescopic bracing piece corresponds and is a plurality of articulated seat is articulated mutually.
Preferably, the telescopic support rod further comprises a stretching limiting member arranged at the connecting end of each telescopic support rod, and each stretching limiting member comprises a limiting fixed rod and a stretching spring; wherein,
the aperture of the first through hole formed in the outer wall of the connecting end of each telescopic supporting rod is at least twice of the outer diameter of the corresponding hinge shaft; the outer wall of the connecting end of each telescopic supporting rod is also respectively provided with a second via hole which is adjacent to the corresponding first via hole, the plurality of second via holes are correspondingly positioned between the corresponding first via holes and the tail end of the corresponding telescopic supporting rod, a limiting fixed rod is respectively and fixedly arranged in each second via hole, a stretching spring is respectively connected between the plurality of limiting fixed rods and a hinge shaft which is penetrated in the corresponding first via holes, and two ends of the plurality of limiting fixed rods respectively extend out of the corresponding second via holes;
the middle part of the outer side edge of the first vertical fixing plate of each hinge seat and the middle part of the outer side edge of the second vertical fixing plate are oppositely provided with first limiting grooves; a second limiting groove is formed in the middle of the upper edge of the first vertical fixing plate of each hinge seat and in the middle of the upper edge of the second vertical fixing plate of each hinge seat in an opposite mode; the size of the notch of the first limiting groove and the size of the notch of the second limiting groove are matched with the diameter of the limiting fixed rod and the diameter of the articulated shaft;
when any one of the telescopic supporting rods is in a horizontal supporting state or a vertical folding state, the corresponding extension spring positioned in any one of the telescopic supporting rods is in a contraction state, so that two ends of the corresponding limiting fixing rod are respectively clamped and fixed in the corresponding first limiting groove or the corresponding second limiting groove, and the corresponding telescopic supporting rod is locked and fixed.
Preferably, when any one of the telescopic supporting rods is in a horizontal supporting state or a vertical folding state, the corresponding telescopic supporting rod is pulled in a direction back to the corresponding first limiting groove or in a direction back to the corresponding second limiting groove, the corresponding extension spring is extended, and two ends of the corresponding limiting fixing rod can be pulled out from the corresponding first limiting groove or the corresponding second limiting groove.
Preferably, the outer side edge of the first vertical fixing plate of each hinge seat and the upper edge of the corresponding first vertical fixing plate and the outer side edge of the second vertical fixing plate of each hinge seat and the upper edge of the corresponding second vertical fixing plate are chamfered into an arc shape.
Preferably, each telescopic supporting rod comprises a main sleeve, a slave sleeve and a sleeve locking piece; wherein,
the connecting ends of the main sleeves are correspondingly hinged with the hinged seats, the tail ends of the main sleeves are correspondingly sleeved outside the connecting ends of the auxiliary sleeves, and the tail ends of the auxiliary sleeves are correspondingly connected with the grabbing lugs;
the sleeve locking pieces are correspondingly arranged in the connecting ends of the slave sleeves and respectively comprise a U-shaped elastic sheet and a button fixedly arranged at the end part of one side end face of the corresponding U-shaped elastic sheet; the other end faces of the U-shaped elastic sheets are correspondingly connected with the inner walls of the connecting ends of the slave sleeves, and the outer walls of the connecting ends of the slave sleeves are provided with first button holes for exposing corresponding buttons; the outer walls of the main sleeves are provided with second button holes close to the tail ends of the main sleeves so that the corresponding buttons can be exposed, and the outer walls of the main sleeves are provided with third button holes between the middle parts of the main sleeves and the corresponding second through holes so that the corresponding buttons can be exposed;
the corresponding slave sleeve is stretched from any one of the master sleeves, so that when the corresponding first button hole is superposed with the corresponding second button hole, the corresponding button is exposed out of the corresponding second button hole, and the corresponding telescopic supporting rod is locked and fixed in a stretching state;
and pushing the corresponding slave sleeve into any one of the master sleeves so that when the corresponding first button hole is superposed with the corresponding third button hole, the corresponding button is exposed out of the corresponding third button hole, and the corresponding telescopic supporting rod is folded and fixed to be in a contraction state.
Preferably, it also includes a lock bolt and a base cap; wherein,
the locking bolt is fixedly arranged outside the inserting barrel, and a threaded section of the locking bolt penetrates into the inserting barrel; the top of the base nut cap is provided with a jack matched with the diameter of the insert cylinder, and the edge of the lower end opening of the base nut cap is uniformly provided with a notch groove for enabling the connecting end of the main sleeve at the corresponding position to pass through.
The invention has the beneficial effects that:
firstly, the invention provides a multifunctional portable foldable fixed support seat, when in specific implementation, on one hand, the lower end of the umbrella rod of the outdoor sunshade umbrella to be fixed is inserted into the insertion cylinder, and is fixed once by the base fixed on the ground, so that the outdoor sunshade umbrella can be well erected on the ground, a plurality of telescopic support rods are stretched to be in an extending state, and are fixed for the second time by the corresponding grabbing lugs fixed on the ground, so that the support surface of the corresponding base can be greatly increased, the corresponding base has better support bearing performance, the fixation with the ground is firmer, the corresponding outdoor sunshade umbrella is not easy to be pulled up due to strong wind, on the other hand, when the invention is not used, the corresponding grabbing lugs and the base are detached from the ground, the corresponding telescopic support rods are folded, and the corresponding telescopic support rods are rotated, the corresponding telescopic supporting rod can be folded to be attached to the outer wall of the inserting cylinder, so that the telescopic supporting rod is good in folding performance, convenient to carry and carry, strong in practicability and good in using effect.
Secondly, in the technical scheme of the invention, on one hand, a plurality of hinged seats are respectively welded and connected with the upper end surface of the base and the outer wall of the lower end of the inserting cylinder to form a whole, therefore, the plurality of hinged seats can play a role in reinforcing the fixation between the lower end of the insert cylinder and the base, so that the invention is firm and durable, has long service life, and on the other hand, the four corners of the upper end surface of the base are respectively provided with a fixed mounting hole penetrating to the lower end surface of the base, the four corners of the upper end surface of each grabbing lug are also respectively provided with a fixed mounting hole penetrating to the lower end surface of the grabbing lug, and therefore, fastening screws are driven into the corresponding fixed mounting holes, the invention can be fixed on the ground, and the corresponding fastening screw can be dismounted, namely the invention can be simply dismounted from the ground, so that the invention is convenient to dismount and mount, and the use effect can be further improved.
Thirdly, in the embodiment of the present invention, when any one of the telescopic supporting rods is in a horizontal supporting state or in a vertical folding state, the corresponding extension spring in any one of the telescopic supporting rods is in a contracted state, so that two ends of the corresponding limiting fixing rod are respectively clamped and fixed in the corresponding first limiting groove or the corresponding second limiting groove, so that the corresponding telescopic supporting rod is locked and fixed, therefore, on one hand, when the corresponding telescopic supporting rod is in the horizontal supporting state, one end of the corresponding telescopic supporting rod is limited and fixed through the corresponding hinge shaft and the limiting fixing rod, so that the corresponding telescopic supporting rod is not easy to loosen and tilt, and on the other hand, when the corresponding telescopic supporting rod is in the vertical folding state, the two ends of the corresponding limiting fixing rods are respectively clamped in the corresponding second limiting grooves, so that the corresponding telescopic supporting rods are vertically folded, locked and fixed well without loosening or falling, the folding safety is good, the human body cannot be injured, and the using effect of the telescopic supporting rod fixing device can be further improved.
Fourthly, when the telescopic support rod is concretely implemented, on one hand, a corresponding slave sleeve is stretched from any one of the master sleeves, so that when a corresponding first button hole is superposed with a corresponding second button hole, a corresponding button is exposed out of the corresponding second button hole, and a corresponding telescopic support rod is locked and fixed in a stretching state; the corresponding slave sleeve is pushed into any one of the master sleeves, so that when the corresponding first button hole is superposed with the corresponding third button hole, the corresponding button is exposed out of the corresponding third button hole, and the corresponding telescopic supporting rod is folded and fixed to be in a contraction state, so that the telescopic length of the corresponding telescopic supporting rod can be easily adjusted and can be well locked and fixed after being adjusted to the corresponding length, and the telescopic supporting rod is not easy to loosen.
Detailed Description
The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments so that the inventive spirit of the present invention can be more clearly and intuitively understood.
Shown in conjunction with fig. 1, 2, 3, 4, 5 and 6;
the invention provides a multifunctional portable foldable fixed support seat, which comprises a base 10, an insert cylinder 20, a plurality of telescopic support rods 30 and a plurality of grabbing lugs 40; wherein,
the inserting cylinder 20 is vertically and fixedly arranged in the middle of the upper end surface of the base 10, a plurality of hinge seats 11 are uniformly and fixedly arranged on the periphery of the upper end surface of the base 10 around the inserting cylinder 20, the connecting ends of a plurality of telescopic supporting rods 30 are correspondingly hinged with the hinge seats 11, and the tail ends of the plurality of telescopic supporting rods 30 are correspondingly connected with a plurality of grabbing lugs 40;
when any one of the telescopic supporting rods 30 is rotated, any one of the telescopic supporting rods 30 can be upwardly rotated to the vertical direction from the horizontal direction along the corresponding hinged seat 11, so as to be folded to be attached to the outer wall of the inserting tube 20.
Based on the above, it can be understood that, in the specific implementation of the multifunctional portable foldable fixed support seat provided by the present invention, on one hand, the lower end of the umbrella rod of the outdoor sunshade umbrella to be fixed is inserted into the insertion tube 20, and is fixed by the base 10 fixed on the ground once, so that the outdoor sunshade umbrella can be well erected on the ground, and the plurality of telescopic support rods 30 are stretched to be in a stretching state, and are fixed by the corresponding gripping lugs 40 fixed on the ground for a second time, so that the support surface of the corresponding base 10 can be greatly increased, the support bearing capacity of the corresponding base 10 is better, the corresponding base 10 is fixed with the ground more firmly, and the outdoor sunshade umbrella is not easily pulled up due to strong wind.
On the other hand, when the present invention is not used, the corresponding retractable support rod 30 can be folded to fit the outer wall of the plug cylinder 20 by detaching the corresponding grip lug 40 and the base 10 from the ground, and folding the corresponding retractable support rod 30 and rotating the corresponding retractable support rod 30, so that the present invention has good folding property and is convenient to carry and carry.
Furthermore, the invention has strong practicability and good use effect.
It should be emphasized that, in the present embodiment, the plurality of hinge seats 11 are respectively welded and connected to the upper end surface of the base 10 and the outer wall of the lower end of the insert cylinder 20 to form a whole.
In addition, the four corners of the upper end surface of the base 10 are respectively provided with fixing holes (not shown) penetrating to the lower end surface thereof.
Meanwhile, the grasping lugs 40 are all formed into flat structures and are correspondingly fixedly arranged on the lower bottom surfaces of the tail ends of the telescopic supporting rods 30, and four corners of the upper end surface of each grasping lug 40 are respectively provided with a fixed mounting hole (not shown) penetrating through the upper end surface to the lower end surface.
Thus, on one hand, the plurality of hinge seats 11 can reinforce the fixing between the lower end of the insert cylinder 20 and the base 10, so that the present invention is sturdy and durable and has a long service life.
On the other hand, four corners of the upper end surface of the base 10 are respectively provided with a fixing mounting hole (not shown) penetrating to the lower end surface thereof, four corners of the upper end surface of each of the catching lugs 40 are also respectively provided with a fixing mounting hole (not shown) penetrating to the lower end surface thereof, and a fastening screw is screwed into the corresponding fixing mounting hole (not shown), so that the present invention can be fixed on the ground, and the corresponding fastening screw is dismounted, so that the present invention can be simply dismounted from the ground.
Furthermore, the invention is convenient to disassemble and assemble, and the use effect can be further improved.
It should be noted that, in the embodiment of the present invention, each of the plurality of hinge bases 11 is formed into a U-shaped structure, and each of the hinge bases includes a first vertical fixing plate 111, a transverse connecting plate 112, and a second vertical fixing plate 113, which are connected in sequence; every all set firmly a articulated shaft 114 between the middle part of the first vertical fixed plate 111 of articulated seat 11 and the middle part of the vertical fixed plate 113 of second, every a first via hole 301 has all been seted up to the outer wall of the link of telescopic bracing piece 30, many articulated shaft 114 is corresponding to wear to locate a plurality ofly in the first via hole 301, so that many the link of telescopic bracing piece 30 corresponds and a plurality of articulated seat 11 is articulated mutually.
Preferably, in the present technical solution, the present invention further includes a stretching limiting member 50 disposed at the connecting end of each telescopic supporting rod 30, and each stretching limiting member 50 includes a limiting fixing rod 501 and a stretching spring 502; wherein,
the aperture of the first through hole 301 formed in the outer wall of the connecting end of each telescopic supporting rod 30 is at least twice the outer diameter of the corresponding hinge shaft 114; a second via hole 302 arranged adjacent to the corresponding first via hole 301 is further formed in the outer wall of the connecting end of each telescopic supporting rod 30, the plurality of second via holes 302 are correspondingly located between the corresponding first via holes 301 and the tail end of the corresponding telescopic supporting rod 30, a limiting fixing rod 501 is fixedly arranged in each of the plurality of second via holes 302, the plurality of limiting fixing rods 501 and the hinge shaft 114 penetrating through the corresponding first via holes 301 are respectively connected with one tension spring 502, and two ends of each limiting fixing rod 501 extend out of the corresponding second via hole 302;
a first limiting groove 115 is formed in the middle of the outer side edge of the first vertical fixing plate 111 and the middle of the outer side edge of the second vertical fixing plate 113 of each hinge base 11 in a manner of being opposite to each other; a second limiting groove 116 is formed in the middle of the upper edge of the first vertical fixing plate 111 and the middle of the upper edge of the second vertical fixing plate 113 of each hinge base 11; the size of the notch of the first limiting groove 115 and the size of the notch of the second limiting groove 116 are both matched with the diameter of the limiting fixing rod 501 and the diameter of the hinge shaft 114;
when any one of the telescopic supporting rods 30 is in a horizontal supporting state or a vertical folding state, the corresponding extension spring 502 in any one of the telescopic supporting rods 30 is in a contracting state, so that the two ends of the corresponding limiting fixing rod 501 are respectively clamped in the corresponding first limiting groove 115 or the corresponding second limiting groove 116, so that the corresponding telescopic supporting rod 30 is locked and fixed.
Thus, on the one hand, when the corresponding telescopic supporting rod 30 is in the horizontal supporting state, one end of the corresponding telescopic supporting rod is fixed in a limiting manner through the corresponding hinge shaft 114 and the limiting fixing rod 501, so that the telescopic supporting rod is not easy to loosen and tilt, and the other end of the corresponding telescopic supporting rod is fixed through the corresponding grabbing lug 40, so that the telescopic supporting rod 30 is not easy to loosen and tilt, and then the corresponding telescopic supporting rod 30 is good in fixity and not easy to shift or deform.
On the other hand, when the corresponding telescopic supporting rods 30 are vertically folded, the two ends of the corresponding limiting fixing rods 501 are respectively fastened in the corresponding second limiting grooves 116, and at this time, the corresponding telescopic supporting rods 30 are vertically folded, locked and fixed well without loosening or dropping, so that the folding safety is good and the human body is not injured.
Further, the use effect of the present invention can be further improved.
Here, it can be further understood that when any one of the telescopic supporting rods 30 is in a horizontal supporting state or in a vertical folding state, the corresponding telescopic supporting rod 30 is pulled in a direction away from the corresponding first limiting groove 115 or in a direction away from the corresponding second limiting groove 116, the corresponding extension spring 502 is extended, and both ends of the corresponding limiting fixing rod 501 can be pulled out from the corresponding first limiting groove 115 or the corresponding second limiting groove 116.
In this way, after the two ends of the corresponding limiting fixing rod 501 are pulled out from the corresponding first limiting groove 115 or the corresponding second limiting groove 116, the corresponding telescopic supporting rod 30 is manually rotated around the corresponding hinge shaft 114, so that the corresponding telescopic supporting rod 30 can be rotated back and forth from the horizontal direction to the vertical direction.
Moreover, in order to facilitate the corresponding telescopic supporting rod 30 to rotate back and forth in the horizontal direction to the vertical direction, in the specific implementation of the present invention, the outer side edge of the first vertical fixing plate 111 of each hinge seat 11 and the upper edge of the corresponding first vertical fixing plate 111, and the outer side edge of the second vertical fixing plate 113 of each hinge seat 11 and the upper edge of the corresponding second vertical fixing plate 113 are chamfered into an arc shape.
It should be added that, in the present technical solution, each of the telescopic supporting rods 30 includes a main sleeve 31, a secondary sleeve 32 and a sleeve locking member 33; wherein,
many the link of main sleeve pipe 31 corresponds with a plurality of articulated seat 11 is articulated mutually, many the end of main sleeve pipe 31 corresponds the cover and locates many outside the link of follow sleeve pipe 32, many the end of follow sleeve pipe 32 corresponds with a plurality of it is connected to grab ear 40, and corresponding first via hole 301 and second via hole 302 then all set up in the link of corresponding main sleeve pipe 31, and corresponding second via hole 302 then is located between the end of corresponding first via hole 301 and corresponding main sleeve pipe 31.
The plurality of sleeve locking pieces 33 are correspondingly arranged in the connecting ends of the plurality of slave sleeves 32 and respectively comprise a U-shaped elastic piece 331 and a button 332 fixedly arranged at the end part of one side end face of the corresponding U-shaped elastic piece 331; the other end surfaces of the U-shaped elastic pieces 331 are correspondingly connected with the inner walls of the connection ends of the slave sleeves 32, and the outer walls of the connection ends of the slave sleeves 32 are respectively provided with a first button hole 321 for exposing the corresponding button 332; the outer walls of the main sleeves 31, near the ends thereof, are respectively provided with a second button hole 311 for exposing the corresponding button 332, and the outer walls of the main sleeves 31 are respectively provided with a third button hole 312 between the middle parts thereof and the corresponding second through hole 302 for exposing the corresponding button 332;
in this way, when the corresponding slave sleeve 32 is pulled from any one of the master sleeves 31 to make the corresponding first button hole 321 coincide with the corresponding second button hole 311, the corresponding button 332 is exposed out of the corresponding second button hole 311, and the corresponding telescopic supporting rod 30 is locked and fixed in a pulled state; when the corresponding secondary sleeve 32 is pushed into any one of the primary sleeves 31 to make the corresponding first button hole 321 coincide with the corresponding third button hole 312, the corresponding button 332 is exposed out of the corresponding third button hole 312, and the corresponding telescopic supporting rod 30 is folded and fixed to be in a retracted state.
Then, the telescopic length of the corresponding telescopic supporting rod 30 can be easily adjusted and can be well locked and fixed after being adjusted to the corresponding length, so that the telescopic supporting rod is not easy to loosen.
In a specific implementation, in a preferred embodiment, the cross sections of the main sleeve 31 and the slave sleeve 32 are semicircular, so that the lower bottom surface of the main sleeve 31 and the lower bottom surface of the slave sleeve 32 are both flat, and the slave sleeve 32 is non-rotatably sleeved in the main sleeve 31, and at this time, the button 332, the first button hole 321, the second button hole 311 and the third button hole 312 are all located on the same straight line, so as to facilitate the extension and retraction of the slave sleeve 32.
It is further added that, in the present technical solution, the present invention further includes a locking bolt 60 and a base cap 70; wherein,
the locking bolt 60 is fixedly arranged outside the insert cylinder 20, and a threaded section of the locking bolt 60 penetrates into the insert cylinder 20; the top of the base cap 70 is provided with a jack 701 adapted to the diameter of the insert cylinder 20, and the edge of the lower opening of the base cap 70 is uniformly provided with a notch 702 for allowing the connection end of the main sleeve 31 at the corresponding position to pass through.
Thus, the added fastening bolt 60 can lock and fix the umbrella rod inserted into the insertion tube 20, so that the umbrella rod is not easy to shake, and the added base cap 70 can well cover the corresponding base 10, so that the corresponding base 10 is not easy to scratch the feet and other positions of the human body, and further, the using effect of the invention can reach the best.
It should be noted that, in the implementation of the present invention, the insertion tube 20, the base 10, the telescopic supporting rod 30 and the grasping ear 40 are preferably made of metal.
Also, the present invention is not limited to the pole for inserting to the fixed outdoor sunshade, but it may be used to the pole fixed to support the laundry stand, the pole fixed to support the outdoor sunshade, and so on.
Meanwhile, the telescopic supporting rod of the invention is not limited to only comprise two sections of the main sleeve and the slave sleeve, and can also be arranged into three, four or more sections.
Other embodiments, etc., will not be illustrated herein.
In summary, in the specific implementation of the foldable fixing support base provided by the present invention, on one hand, the lower end of the rod of the outdoor sunshade to be fixed is inserted into the insertion tube 20 and fixed on the ground by the base 10 fixed on the ground once, so that the telescopic support rods 30 can be erected on the ground well, so as to be stretched to be in an extended state, and fixed on the ground for a second time by the corresponding gripping lugs 40 fixed on the ground, so that the support surface of the corresponding base 10 can be greatly increased, the corresponding base 10 has better support bearing performance, and is fixed on the ground more firmly, and the corresponding outdoor sunshade is not easily pulled up due to strong wind blowing, on the other hand, when the foldable fixing support base is not used, the corresponding gripping lugs 40 and the corresponding base 10 are detached from the ground, and the corresponding telescopic support rods 30 are folded and the corresponding telescopic support rods 30 are rotated, the corresponding telescopic supporting rod 30 can be folded to be attached to the outer wall of the inserting cylinder 20, so that the telescopic supporting rod is good in folding performance, convenient to carry and carry, strong in practicability and good in using effect.
In addition, in the technical solution of the present invention, on one hand, the plurality of hinge seats 11 are respectively welded and connected with the upper end surface of the base 10 and the outer wall of the lower end of the insertion tube 20 to form a whole, so that the plurality of hinge seats 11 can play a role in reinforcing the fixing between the lower end of the insertion tube 20 and the base 10, so that the present invention is sturdy and durable, and has a long service life, on the other hand, four corners of the upper end surface of the base 10 are respectively provided with fixing mounting holes (not shown) penetrating to the lower end surface thereof, and four corners of the upper end surface of each of the gripping lugs 40 are also respectively provided with fixing mounting holes (not shown) penetrating to the lower end surface thereof, so that fastening screws are driven into the corresponding fixing mounting holes (not shown), so that the present invention can be fixed to the ground, and the corresponding fastening screws are dismounted, that the present invention can be simply dismounted from the ground, the invention has convenient disassembly and assembly and can further improve the use effect.
In the embodiment of the present invention, when any one of the telescopic supporting rods 30 is in a horizontally supporting state or a vertically folded state, the corresponding extension spring 502 located in any one of the telescopic supporting rods 30 is in a contracted state, so that two ends of the corresponding limiting fixing rod 501 are respectively clamped in the corresponding first limiting groove 115 or the corresponding second limiting groove 116, so that the corresponding telescopic supporting rod 30 is locked and fixed, and thus, when the corresponding telescopic supporting rod 30 is in a horizontally supporting state, one end of the corresponding limiting fixing rod is fixed in a limiting manner through the corresponding hinge shaft 114 and the corresponding limiting fixing rod 501, so that the corresponding telescopic supporting rod 30 is not easily loosened and tilted, and the other end of the corresponding telescopic supporting rod 30 is fixed through the corresponding catching ear 40, so that the corresponding telescopic supporting rod 30 is not easily loosened and tilted, and then the corresponding telescopic supporting rod 30 is good in fixity and not easily displaced or deformed, and, on the other hand, when the corresponding telescopic supporting rod 30, both ends of the corresponding limiting fixing rod 501 are respectively fastened in the corresponding second limiting grooves 116, so that the corresponding telescopic supporting rod 30 is vertically folded, locked and fixed well without loosening or falling, the folding safety is good without hurting human body, and the using effect of the invention can be further improved.
Meanwhile, in the implementation of the present invention, on one hand, when the corresponding slave sleeve 32 is pulled from any one of the master sleeves 31 to make the corresponding first button hole 321 coincide with the corresponding second button hole 311, the corresponding button 332 is exposed out of the corresponding second button hole 311, and the corresponding telescopic supporting rod is locked and fixed in a pulled state; the corresponding secondary sleeve 32 is pushed into any one of the primary sleeves 31, so that when the corresponding first button hole 321 coincides with the corresponding third button hole 312, the corresponding button 332 is exposed out of the corresponding third button hole 312, and the corresponding telescopic supporting rod is folded and fixed in a contraction state, so that the telescopic length of the corresponding telescopic supporting rod 30 can be easily adjusted and can be well locked and fixed after being adjusted to the corresponding length, and the telescopic supporting rod is not easy to loosen.
Correspondingly, the invention has the advantages of simple integral structure, easy implementation, easy operation, strong practicability, strong specificity and low manufacturing cost, does not need to increase too much cost in the structural improvement and the technical improvement, ensures that the invention has very good market popularization value, is very popular and can be effectively popularized.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.