CN211672904U

CN211672904U - Supporting seat and table body

Info

Publication number: CN211672904U
Application number: CN202020119397.7U
Authority: CN
Inventors: 陈天益; 寻梦娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-10-16
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to a supporting seat and the table body, wherein the supporting seat, including a pillar, a pedestal sleeve, pedestal switch module, a plurality of stabilizer blade and a plurality of pedestal push-and-pull rod, and the table body is including the sleeve on the table body, the sleeve under the table body, at least three vaulting pole, at least three table body push-and-pull rod, table body switch module and desktop. The utility model discloses a pillar and pedestal sleeve lug connection, the sleeve lug connection under the table body on the table body and the table body to make the supporting seat and the table body under operating condition (keep opening the state promptly), this part structural connection is more firm, and then makes supporting seat and the table body can bear more loads.

Description

Supporting seat and table body

Technical Field

The utility model relates to a life and leisure articles for use field, concretely relates to supporting seat and table body.

Background

With the progress of society, whether people are close to nature, or merchants carry out outdoor marketing promotion, or outdoor public activities and the like, a plurality of tables and chairs, umbrellas, warning boards, advertising boards and the like are required to be arranged at required positions, and the arrangement of the articles all needs a base.

The utility model patent of patent numbers 201920163606.5, 201920163610.1 that the applicant previously filed discloses a supporting seat and applied this supporting seat's outdoor umbrella and a table body that is used for outdoor umbrella respectively, in above-mentioned structure, the supporting seat is fixed in the holding that realizes its state of opening by the telescopic table body bolt lock of table body, the table body is fixed in branch and the two mutual butt of branch through the telescopic table body bolt lock under table body, this kind of structure exists following not enough in practical application: firstly, no matter the supporting seat or the table body, the load borne by the supporting seat in a working state (i.e. keeping an opening state) is larger (the supporting seat needs to stably support a supported object, and the table body needs to bear the downward pressure of an object and the like on the table top), and under the condition of larger load, the key of maintaining the respective opening state lies in that the support column and the seat body sleeve, the table body upper sleeve and the table body lower sleeve do not move away from each other; secondly, the structure has large limitation on the pipe diameter of the supported object (namely the supporting rod), and the supported object (namely the supporting rod) with an improper pipe diameter is difficult to apply; thirdly, the structure of the thread locking is troublesome.

Disclosure of Invention

The utility model provides a supporting seat and a table body, which solve the problems.

The utility model adopts the following technical scheme:

the utility model provides a supporting seat, including a pillar, a pedestal sleeve, pedestal switch module, a plurality of stabilizer blade and a plurality of pedestal push-and-pull rod, pedestal push-and-pull rod and stabilizer blade one-to-one set up, the stabilizer blade head end articulates in the circumference side edge of pillar bottom, the pedestal push-and-pull rod head end articulates in the middle part rather than the stabilizer blade that corresponds, pedestal push-and-pull rod tail end articulates in the circumference side edge of pedestal sleeve bottom, the pillar is the open tubular structure in top surface, this pillar top surface opening department is used for inserting the column by the support, pillar bottom top is located to pedestal sleeve bottom, pillar bottom and pedestal sleeve bottom in opposite directions, the motion of leaving mutually is used for controlling. The seat sleeve can be movably sleeved outside the support post along the support post. When the support legs are in the open state, the base switch assembly is used for locking the relative movement between the base sleeve and the support column or releasing the locking state.

It is right from the above description of the structure of the supporting seat of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model discloses an extension stand makes pedestal sleeve cover outside the stand to cooperation pedestal switch module gets off at the supporting seat user state and connects stand and pedestal sleeve, under the supporting seat user state like this, the relative movement relation between stand bottom and the pedestal sleeve bottom is by direct and firm locking, and this kind of connection structure joint strength is bigger, and then makes the supporting effect of stabilizer blade better, makes the supporting seat more firm and can support the performance and show the promotion. In addition, in the structure, the upright posts bear all functions of being connected with a supported object, the seat body sleeves are only used for opening and closing the support legs, and after the functions are separated, each structure respectively plays its own roles and makes the whole product more scientific, reasonable and stable.

Further:

the supporting seat further comprises a bottom cushion, the bottom cushion is made of flexible materials, and the bottom cushion is connected with the supporting legs and arranged below the supporting legs. When the support legs are in an open state, the bottom pad is arranged between the support legs and the support seat placing surface and is attached to the support seat placing surface.

Each support leg tail end is provided with a supporting part, and the supporting part is formed by bending the tail end of the support leg towards one side of the support leg which deviates from the support column.

The four support legs and the four seat body push-pull rods are respectively arranged. The bottom pad is arranged in a square shape, four corners of the top surface of the bottom pad are respectively provided with a connecting sleeve, and the bottom pad is sleeved on the supporting part through the connecting sleeves and is connected with the support legs. The bottom pad is also provided with a dismounting handle which is made of flexible materials and is arranged in any one of the four corners of the bottom pad.

The base body switch component is a structure that a latch mechanism arranged in any one of the support column and the base body sleeve is clamped into one of the support column and the base body sleeve or a structure that a jacking mechanism arranged in any one of the support column and the base body sleeve jacks the side edge of one of the support column and the base body sleeve.

The base switch assembly comprises a base limiting seat and a base switch fastener, the base limiting seat and the support are integrally formed on the circumferential outer edge of the support, and the base switch fastener is assembled in the base sleeve. The circumferential outer edge of the seat body limiting seat is provided with a limiting groove with a ring-shaped groove structure. Above-mentioned pedestal switch fastener is cyclic annular setting, pedestal switch fastener attaches and is equipped with shift knob, spacing arch and at least one reed that resets, shift knob locates the outer edge of pedestal switch fastener annular structure's circumference, inboard edge of circumference that pedestal switch fastener annular structure was located to spacing arch, shift knob runs through pedestal sleeve lateral wall and extends to the outer edge setting of pedestal sleeve circumference, spacing protruding projecting direction sets up towards same direction with shift knob's extending direction, the reed that resets liftoff the other outer edge of circumference of locating pedestal switch fastener annular structure with spacing arch, along the butt in reed and the pedestal sleeve that resets, the reed atress deformation direction that resets receives with shift knob and presses down the back direction of motion unanimity. The reset reeds are arranged in two, and the two reset reeds are arranged oppositely.

the base body switch component of the utility model realizes locking and unlocking through the structure that whether the bulge is clamped into the groove or not, and a switch fastener is matched with the limiting seat, thus the structure is simple and convenient, and the cost is lower; and the lock can be automatically clamped and locked in place, and can be unlocked only by pressing, so that the use process is convenient and quick.

The support is provided with a top fixing part and a bottom fixing part, the top fixing part is arranged at an opening of the top surface of the support, the top fixing part is of a thread reducing locking structure, the bottom fixing part is arranged at the bottom of the support, and the bottom fixing part is of a necking structure with the inner diameter gradually reduced from top to bottom.

the application of above-mentioned top fixed part and bottom fixed part when selecting for use by the support, can have certain selection space for the supporting seat has wider application scope. And the cooperation of top fixed part and end fixed part is compared in current some fixed modes, and a screw thread reducing locking structure fixes well stick bottom end commonly used like outdoor umbrella, the utility model discloses a two positions are fixed by the support, are better by the effect that the support was fixed, can not rock owing to the difference that exists by support external diameter and stand internal diameter. And screw thread reducing locking structure is very common in outdoor articles for use field, chooses for use it as a fixed part, and convenient to use, consumer's acceptance are high and part purchase is changed all very conveniently. And the bottom fixed part is the scheme of the throat structure that the internal diameter gradually diminishes from top to bottom, and it all has obvious advantage to set up the degree of difficulty, set up the cost, compares in the scheme that does not have bottom fixed part, and the scheme cost that increases the throat structure hardly increases but has brought very showing effect.

The utility model provides a table body, including the table body sleeve, the table body sleeve down, at least three vaulting pole, at least three table body push-and-pull rod, table body switch module and desktop, the vaulting pole head end articulates in the side of the table body sleeve top edge, table body push-and-pull rod and vaulting pole one-to-one set up, table body push-and-pull rod head end articulates in the vaulting pole middle part rather than corresponding, table body push-and-pull rod tail end articulates in the side of the table body sleeve top edge, the desktop is flexible material desktop, the desktop covers and locates the vaulting pole, the relative, the motion of leaving of table body sleeve top and table body sleeve top is used for controlling the vaulting pole to open, receive and. The table body is arranged at the application position of the table body through a support rod. When the stay bar is in an opening state, the bottom of the table body upper sleeve is positioned in the table body lower sleeve, and the table body switch assembly is used for locking the relative movement between the table body upper sleeve and the table body lower sleeve or releasing the locking state. The table body upper sleeve and the table body lower sleeve are both sleeved outside the supporting rod, and at least one of the table body upper sleeve and the table body lower sleeve is connected with the supporting rod.

From the above description to the structure of the table body of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model discloses an extension table body upper sleeve makes it be in when the vaulting pole is in the state of opening, table body upper sleeve bottom is located table body lower sleeve and is used for locking the relative movement between the table body upper sleeve and the table body lower sleeve or removes this locking state through table body switch module, and then under the table body user state, the relative movement relation between the table body upper sleeve bottom and the table body lower sleeve is by direct and firm locking, this kind of connection structure joint strength is bigger, and then make the vaulting pole more firm, the bearing capacity of desktop is stronger promptly. And, the structure that at least one in the sleeve is connected with branch in the sleeve under the table body on the table body and the sleeve, the selection is more nimble, can both be connected through modes such as lock solid with branch even, also is of value to promoting the joint strength between the table body and the branch.

Further:

the table body switch component is a structure that a latch mechanism arranged in any one of the table body upper sleeve and the table body lower sleeve is clamped into one of the table body upper sleeve and the table body lower sleeve or a structure that a jacking mechanism arranged in any one of the table body upper sleeve and the table body lower sleeve jacks the side edge of one of the table body upper sleeve and the table body lower sleeve.

Above-mentioned table body switch module includes the spacing seat of the table body and table body switch fastener, and the outer edge of pillar circumference is located with above-mentioned upper sleeve integrated into one piece of the table body spacing seat of the table body, and table body switch fastener assembles in above-mentioned lower sleeve of the table body. The circumferential outer edge of the table body limiting seat is provided with a circle of limiting groove with an annular groove structure. Above-mentioned table body switch fastener is cyclic annular setting, table body switch fastener attaches and is equipped with shift knob, spacing arch and at least one reed that resets, shift knob locates the outer edge of the circumference of table body switch fastener annular structure, spacing arch is located the inboard edge of the circumference of table body switch fastener annular structure, shift knob runs through and extends to the outer edge setting of table body lower sleeve circumference with table body lower sleeve lateral wall, spacing arch protrusion direction sets up towards same direction with shift knob's extending direction, the reed that resets sets up the outer edge of the circumference of table body switch fastener annular structure with spacing arch liftoff mutually on the back mutually, along the butt in the reed and the table body lower sleeve that resets, the reed atress deformation direction that resets receives to press back the direction of motion unanimity with shift knob. The reset reeds are arranged in two, and the two reset reeds are arranged oppositely.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the table switch component of the utility model realizes locking and unlocking through the structure that whether the bulge is clamped into the groove or not, and a switch fastener is matched with the limiting seat, thus the structure is simple and convenient, and the cost is lower; and the lock can be automatically clamped and locked in place, and can be unlocked only by pressing, so that the use process is convenient and quick.

To sum up, it can be known from the above description of the structure of the utility model, compare with the prior art, the utility model discloses a pillar and pedestal sleeve lug connection, the sleeve under the table body and the table body lug connection to make supporting seat and the table body under operating condition (keep opening the state promptly), this part structural connection is more firm, and then make supporting seat and the table body can bear more loads.

Drawings

Fig. 1 is a schematic structural view of the assembled table body and the supporting seat of the present invention.

Fig. 2 is an exploded schematic view of the supporting seat of the present invention located at the position of the seat switch assembly.

Fig. 3 is a schematic view of the exploded structure of the table body of the present invention at the position of the table body switch assembly.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to fig. 1, a table and a supporting seat are assembled by a supporting rod 3, in the structure, the bottom end of the supporting rod 3 is fixed by the supporting seat, and the table is assembled on the rod body of the supporting rod 3. The supporting seat comprises a supporting column 11, a seat body sleeve 12, a seat body switch component, a bottom cushion 13, a plurality of supporting legs 14 and a plurality of seat body push-pull rods 15, the seat body push-pull rods 15 and the supporting legs 14 are arranged in a one-to-one correspondence mode, the head ends of the supporting legs 14 are hinged to the circumferential side edge of the bottom of the supporting column 11, the head ends of the seat body push-pull rods 15 are hinged to the middle portions of the supporting legs 14 corresponding to the head ends of the supporting legs, the tail ends of the seat body push-pull rods 15 are hinged to the circumferential side edge of the bottom of the seat body sleeve 12, the supporting column 11 is of a tubular structure with an open top surface, the opening of the top surface of the supporting column 11 is used for inserting the supporting rod 3, the. The opposite and apart movement of the bottom of the support post 11 and the bottom of the seat sleeve 12 is used for controlling the opening and closing arrangement of the support legs 14. The above-mentioned structure of the legs 14 and the seat push-pull rod 15 is related to the prior application of the applicant in the background art, and will not be described in detail herein.

With reference to fig. 1, the seat sleeve 12 is movably sleeved outside the support post 11 along the support post 11. The base switch assembly is used to lock or unlock the relative movement between the base sleeve 12 and the post 11 when the legs 14 are in the open state. When the legs 14 are in the open state, the base pad 13 is disposed between the legs 14 and the seat surface and attached to the seat surface. The tail end of each leg 14 is provided with a support portion 141, and the support portion 141 is formed by bending the tail end of the leg 14 toward the side thereof away from the pillar 11. Four supporting legs 14 and four seat push-pull rods 15 are provided. The bottom pad 13 is disposed in a square shape, four corners of the top surface of the bottom pad 13 are respectively provided with a connecting sleeve 131, and the bottom pad 13 is sleeved outside the supporting portion 141 by the connecting sleeves 131 and is connected with the supporting legs 14. This heelpiece 13 still is equipped with a dismouting handle 132, and dismouting handle 132 is flexible material handle, and dismouting handle 132 locates in the arbitrary one in four angles of heelpiece 13. Because the bottom pad 13 is positioned at the bottommost surface of the supporting seat, the bottom pad is easy to be dirty and needs to be unpicked and washed, in the structure, the supporting function of the supporting legs 14 is ensured, and meanwhile, the bottom pad 13 is assembled on the supporting part 141 through the structure of the connecting sleeve 131, so that the connecting strength of the bottom pad 13 and the supporting legs 14 is ensured, and meanwhile, the bottom pad 13 is convenient to disassemble and assemble. Particularly, after the disassembly and assembly handle 132 is matched, in the process of installing the bottom pad 13, the other three supporting parts 141 can be firstly installed into the connecting sleeve 131, and then the last corner of the bottom pad 13 is pulled in through the disassembly and assembly handle 132; the corner of one base mat 13 adjacent to the dismounting handle 132 can be firstly dismounted in the process of dismounting the base mat 13.

Referring to fig. 1 and 2, the base switch assembly is a structure in which a latch mechanism disposed in any one of the support post 11 and the base sleeve 12 is engaged with one of the support post 11 and the base sleeve 12, or a structure in which a pressing mechanism disposed in any one of the support post 11 and the base sleeve 12 presses a side edge of one of the support post 11 and the base sleeve 12. The seat switch assembly can be implemented by selecting a suitable structure from the above structures by those skilled in the art, such as a switch button 61, a bow switch, a screw locking mechanism, etc. commonly used for outdoor umbrellas and automatic umbrellas. Specifically, the seat switch assembly includes a seat limiting seat 41 and a seat switch fastener 42, the seat limiting seat 41 and the support post 11 are integrally formed on the circumferential outer edge of the support post 11 by injection molding, and the seat switch fastener 42 is assembled in the seat sleeve 12. The seat body limiting seat 41 is provided with a circle of seat body limiting groove 411 with an annular groove structure along the circumferential outer edge. The seat switch fastener 42 is annularly disposed.

Continuing to refer to fig. 1 and fig. 2, specifically, the seat switch fastener 42 is additionally provided with a switch button 61, a limiting protrusion 62 and two reset reeds 63, the switch button 61 is disposed on the circumferential outer edge of the annular structure of the seat switch fastener 42, the limiting protrusion 62 is disposed on the circumferential inner edge of the annular structure of the seat switch fastener 42, the switch button 61 penetrates through the sidewall of the seat sleeve 12 and extends to the circumferential outer edge of the seat sleeve 12, the protruding direction of the limiting protrusion 62 and the extending direction of the switch button 61 are disposed toward the same direction, the reset reeds 63 and the limiting protrusion 62 are disposed on the circumferential outer edge of the annular structure of the seat switch fastener 42 opposite to each other, the reset reeds 63 abut against the inner edge of the seat sleeve 12, the stress deformation direction of the reset reeds 63 is consistent with the movement direction of the switch button 61 after being pressed. The pillar 11 is provided with a top fixing portion 111 and a bottom fixing portion, the top fixing portion 111 is disposed at an open top of the pillar 11, the top fixing portion 111 is of a threaded variable-diameter locking structure, the bottom fixing portion is disposed at the bottom of the pillar 11, and the bottom fixing portion is of a tapered structure with a gradually decreasing inner diameter from top to bottom. The thread reducing locking structure is usually a structure that a middle rod of an outdoor umbrella is connected to a lower rod of the outdoor umbrella, and particularly, the thread reducing locking structure is matched with a friction plate with certain activity elasticity to move through a thread structure and press a rotating wheel of the friction plate to realize an inner diameter reducing locking structure. Because the supporting rod 3 needs to be accommodated in the supporting column 11, the seat body limiting seat 41 and the supporting column 11 cannot adopt a connection mode that rivets and the like occupy the inside of the supporting column 11, and a mode that the inner diameter of the bottom fixing part needs to be formed in the inside of the seat body limiting seat 41 and the supporting column 11 is gradually reduced from top to bottom is adopted, the seat body limiting seat 41, the supporting column 11 and the bottom fixing part are arranged in an injection molding and integrated forming mode in the best setting, so that the production is convenient, and the cost is low.

Referring to fig. 1, the table body includes a table body upper sleeve 21, a table body lower sleeve 22, at least three support rods 23, at least three table body push-pull rods 24, a table body switch assembly and a table top, the head ends of the support rods 23 are hinged to the side edges of the top of the table body upper sleeve 21, the table body push-pull rods 24 and the support rods 23 are arranged in a one-to-one correspondence manner, the head ends of the table body push-pull rods 24 are hinged to the middle portions of the support rods 23 corresponding thereto, the tail ends of the table body push-pull rods 24 are hinged to the side edges of the top of the table body lower sleeve 22, the table top is a table top made of a flexible material and is covered on the support rods 23, and the top of the table body upper sleeve 21 and the top. The structure of the table top is not shown, and the connection between the bottom cushion 13 and the supporting portion 141 can be referred to. The table body is arranged in its application position by means of a support 3. The table body upper sleeve 21 and the table body lower sleeve 22 are both sleeved outside the supporting rod 3, and the table body lower sleeve 22 is locked on the supporting rod 3 through a handle wheel 221 driving a thread jacking structure.

Referring to fig. 1 and 3, when the stay 23 is in the open state, the bottom of the table top sleeve 21 is located in the table bottom sleeve 22, and the table switch assembly is used for locking the relative movement between the table top sleeve 21 and the table bottom sleeve 22 or releasing the locking state. The table switch assembly is configured to be engaged into one of the table upper sleeve 21 and the table lower sleeve 22 by a latch mechanism provided in any one of the table upper sleeve 21 and the table lower sleeve 22, or configured to be pressed against a side edge of one of the table upper sleeve 21 and the table lower sleeve 22 by a pressing mechanism provided in any one of the table upper sleeve 21 and the table lower sleeve 22. The table switch assembly can be implemented by selecting a suitable structure from the above structures by those skilled in the art, such as a switch button 61, a bow switch, a thread locking mechanism, etc. commonly used for outdoor umbrellas and automatic umbrellas. In order to facilitate the opening and closing of the table body, the table body switch assembly is arranged on the table body lower sleeve 22 and is positioned below the hinged position of the tail end of the table body push-pull rod 24, and the handle wheel 221 for locking the table body lower sleeve 22 on the supporting rod 3 is arranged at the bottom end of the table body lower sleeve 22. In the specific assembly, the table body can be opened firstly, then the support rod 3 is inserted from the table body lower sleeve 22 and penetrates out from the top of the table body upper sleeve 21, and the support rod 3 can also be inserted into the table body upper sleeve 21 and the table body lower sleeve 22 in the folding state of the table body and then the table body is opened.

With reference to fig. 1 and 3, in particular, the table switch assembly includes a table limiting seat 51 and a table switch fastener 52, the table limiting seat 51 and the table upper sleeve 21 are integrally formed on the circumferential outer edge of the pillar 11, and the table switch fastener 52 is assembled in the table lower sleeve 22. The table body limiting seat 51 is circumferentially provided with a table body limiting groove 511 having a ring-shaped groove structure along the outer edge. The table switch fastener 52 is disposed in a ring shape, the table switch fastener 52 is attached with the switch button 61, the limit protrusion 62 and the two reset springs 63, and the table switch fastener 52 is similar to the seat switch fastener 42 in structure, and is different from the seat switch fastener in matching aspects such as size, and will be described herein again. In the present embodiment, the table limiting groove 511 is disposed at the end portion of the bottom end of the table upper sleeve 21, and after knowing the above scheme, a person skilled in the art can also extend the table upper sleeve 21 to the table folded state, and the table lower sleeve 22 is still sleeved outside the table upper sleeve 21, so that the table upper sleeve 21 can be assembled by fixing the top end and/or the bottom end of the table upper sleeve 21 to the supporting rod 3.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. A supporting seat comprises a supporting column, a seat body sleeve, a plurality of supporting legs and a plurality of seat body push-pull rods, wherein the seat body push-pull rods and the supporting legs are arranged in a one-to-one correspondence mode, the head ends of the supporting legs are hinged to the circumferential side edge of the bottom of the supporting column, the head ends of the seat body push-pull rods are hinged to the middle portions of the supporting legs corresponding to the head ends of the supporting legs, the tail ends of the seat body push-pull rods are hinged to the circumferential side edge of the bottom of the seat body sleeve, the supporting column is of a tubular structure with an open top surface, the open top of the supporting column is used for inserting a columnar supported object, the bottom; the method is characterized in that: the seat body sleeve can be movably sleeved outside the support column along the support column; the base switch assembly is used for locking the relative movement between the base sleeve and the support column or releasing the locking state when the support legs are in the opening state.

2. A seat as claimed in claim 1, wherein: the bottom cushion is made of flexible materials and is arranged below the support legs in a connecting mode with the support legs; when the support legs are in an open state, the bottom pad is arranged between the support legs and the support seat placing surface and is attached to the support seat placing surface.

3. A support base according to claim 2, wherein: each stabilizer blade tail end all is equipped with a supporting part, and the supporting part is formed by the stabilizer blade tail end of place towards its lateral buckling that deviates from the pillar.

4. A support base according to claim 3, wherein: four support legs and four seat body push-pull rods are arranged respectively; the bottom pad is arranged in a square shape, four corners of the top surface of the bottom pad are respectively provided with a connecting sleeve, and the bottom pad is sleeved outside the supporting part through the connecting sleeves and is connected with the support legs; the bottom pad is also provided with a dismounting handle which is made of flexible materials and is arranged in any one of the four corners of the bottom pad.

5. A seat as claimed in claim 1, wherein: the base body switch component is a structure that a latch mechanism arranged in any one of the support column and the base body sleeve is clamped into one of the support column and the base body sleeve or a structure that a jacking mechanism arranged in any one of the support column and the base body sleeve jacks the side edge of one of the support column and the base body sleeve.

6. A support base according to claim 5, wherein: the seat body switch component comprises a seat body limiting seat and a seat body switch fastener, the seat body limiting seat and the support column are integrally formed and arranged on the circumferential outer edge of the support column, and the seat body switch fastener is assembled in the seat body sleeve; a circle of limiting groove with an annular groove structure is formed in the circumferential outer edge of the seat body limiting seat; the pedestal switch fastener is cyclic annular setting, pedestal switch fastener attaches and is equipped with shift knob, spacing arch and at least one reed that resets, shift knob locates the outer edge of pedestal switch fastener annular structure's circumference, inboard edge of pedestal switch fastener annular structure's circumference is located to spacing arch, shift knob runs through pedestal sleeve lateral wall and extends to the outer edge setting of pedestal sleeve circumference, spacing protruding projecting direction sets up towards same direction with shift knob's extending direction, the reed that resets sets up the outer edge of pedestal switch fastener annular structure's circumference with spacing protruding liftoff back of the body mutually, along the butt in reset reed and the pedestal sleeve.

7. A seat as claimed in claim 1, wherein: the pillar is equipped with top fixed part and end fixed part, and the uncovered department of pillar top surface is located to the top fixed part, and the top fixed part is the screw thread reducing locking structure, and the pillar bottom is located to the end fixed part, and end fixed part is for reducing the throat structure from top to bottom internal diameter gradually reduces.

8. A table body comprises a table body upper sleeve, a table body lower sleeve, at least three support rods, at least three table body push-pull rods and a table top, wherein the head ends of the support rods are hinged to the side edge of the table body upper sleeve; the table body is arranged at the application position of the table body through a support rod; the method is characterized in that: the table body switch assembly is used for locking the relative movement between the table body upper sleeve and the table body lower sleeve or releasing the locking state; the table body upper sleeve and the table body lower sleeve are both sleeved outside the supporting rod, and at least one of the table body upper sleeve and the table body lower sleeve is connected with the supporting rod.

9. A table body as claimed in claim 8 wherein: the table body switch component is a structure that a latch mechanism arranged in any one of the table body upper sleeve and the table body lower sleeve is clamped into one of the table body upper sleeve and the table body lower sleeve or a structure that a jacking mechanism arranged in any one of the table body upper sleeve and the table body lower sleeve jacks the side edge of one of the table body upper sleeve and the table body lower sleeve.

10. A table body as claimed in claim 9 wherein: the table body switch component comprises a table body limiting seat and a table body switch fastener, the table body limiting seat and the table body upper sleeve are integrally formed on the circumferential outer edge of the supporting column, and the table body switch fastener is assembled in the table body lower sleeve; a circle of limiting groove with an annular groove structure is formed in the circumferential outer edge of the table body limiting seat; the utility model discloses a table body switch fastener, including table body switch fastener, limit protrusion and at least one reset reed, table body switch fastener is cyclic annular setting, table body switch fastener attaches and is equipped with shift knob, limit protrusion and at least one reset reed, shift knob locates the outer edge of the circumference of table body switch fastener cyclic annular structure, limit protrusion locates the inboard edge of the circumference of table body switch fastener cyclic annular structure, shift knob runs through table body lower sleeve lateral wall and extends to the outer edge setting of table body lower sleeve circumference, limit protrusion direction sets up towards same direction with shift knob's extending direction, reset reed and limit protrusion liftoff mutually locate the outer edge of the circumference of table body switch fastener cyclic annular structure, reset reed and the interior butt of following of table body lower sleeve.