CN201070144Y

CN201070144Y - Up-down resetting barometric stick

Info

Publication number: CN201070144Y
Application number: CNU2007201566125U
Authority: CN
Inventors: 黄山萍
Original assignee: WANDERFUL CO Ltd
Current assignee: WANDERFUL CO Ltd
Priority date: 2007-07-11
Filing date: 2007-07-11
Publication date: 2008-06-11
Anticipated expiration: 2017-07-11

Abstract

The utility model discloses an elevating resetting air pressure rod. An air intake valve with an air intake hole is arranged additionally inside the air pressure rod between a bottom seat and a chair pad of the chair, in addition, a rotating resetting element is arranged in the air pressure rod; thus, air can be led in continuously from the air intake hole under the normal condition, to ensure the chair pad to maintain a rising power, when the user sits on the chair pad, the rising power is not enough to elevate the pad and the user, when the user leaves the chair pad, the chair pad is elevated through the continuous air intake of the air intake hole, in addition, when the chair pad is elevated to the highest point, the chair pad can be kept to a certain direction position through the rotating resetting element arranged in the air pressure rod then, simultaneously, the chair pad is positioned at the highest height, and thus the utility model has a better practical value on the whole implement and application.

Description

Lifting involution air pressure rod

Technical field

The utility model relates to a kind of lifting involution air pressure rod, refer in particular to a kind of when nobody takes on the chair tool, can not only make this chair tool rise to peak automatically, and can rotate to the location automatically simultaneously, allow the chair tool that is arranged in the same place all can maintain sustained height, same direction position, do not need by the manpower adjustment, and use the lifting involution air pressure rod that has more practical value its whole execution.

Background technology

Generally in the common bar desk, bar of being located on the market, the dining room, various high chair tool in the leisure place such as cold drink shop, it generally all can be connected with air pressure rod between base and chair cushion, for the user on riding in this high chair tool the time, can utilize this air pressure rod to adjust the height of chair cushion, simultaneously also can be by the setting of this air pressure rod, make the chair cushion of this high chair tool have a rotation effect, allow the user not only this high chair tool can be adjusted to desired height, and can allow its chair cushion turn to required direction position arbitrarily simultaneously, and the high chair tool have splendid convenience in the use.

Yet, the above-mentioned high chair structure of signing an undertaking, though it can reach the expection effect that allows the user be adjusted to desired height and chair cushion to be turned to the desired location place arbitrarily, but implement discovery in the use in its practical operation, because each is sitting in the user's height on this high chair tool and is not quite similar, make that the neither meeting of high and low position of the high chair tool that it is adjusted is identical, add that each user is after leaving this high chair, the chair cushion of this high chair tool towards the direction position also can be not identical, the dealer is the regularity of asking in its place of business, and all need after the user leaves, separately with manpower with the height of this high chair tool and chair cushion thereof towards the direction position adjust to unanimity, and then cause this high chair tool in its whole inconvenience of implementing on using.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of lifting involution air pressure rod, and it does not need by the manpower adjustment, can allow the chair tool that is arranged in the same place all can maintain sustained height, same direction position.

For solving the problems of the technologies described above, the utility model proposes a kind of lifting involution air pressure rod, between the outer tube of air pressure rod and interior pipe, be provided with rotation involution element, this air pressure rod is arranged between Base for chair and the chair cushion; Wherein, the described outer tube sleeve of described air pressure rod is located at outside the described interior pipe, and is arranged with outer tube in described outer tube outer rim, and the pipe upper end is provided with intake valve in this, runs through offering air admission hole inside and outside this intake valve, is arranged with airtight element outside this air admission hole; This rotation involution element, it is respectively equipped with the involution part and reaches involution part down, upward the involution part combines with the interior pipe upper end of air pressure rod and sets firmly, this time involution part then combines with the outer tube inner edge lower end of described air pressure rod and sets firmly, this upper and lower involution part has positioning convex portion and the location indentations that matches respectively in corresponding end face, and all is formed with corresponding sliding guide face in the positioning convex portion and the location indentations both sides of upper and lower involution part.

Therefore, the lifting involution air pressure rod that the utility model proposes has following characteristics and advantage:

It mainly is provided with intake valve separately in the base of chair tool and the air pressure rod between chair cushion, this inlet open is provided with air admission hole, and in this air pressure rod, be provided with rotation involution element, this rotation involution element has upper and lower involution part respectively, this upper and lower involution part has positioning convex portion and the location indentations that matches respectively in corresponding end face, and forms corresponding sliding guide face in the positioning convex portion and the location indentations both sides of upper and lower involution part; Thus, make it under normality, can continue to import air from this air admission hole, make chair cushion keep a power that rises, and when the user rides on this chair cushion, the power of this rising is not sufficient to chair cushion together with user's lifting that makes progress, lasting air inlet by air admission hole after the user leaves chair cushion allows the chair cushion lifting that makes progress, and when this chair cushion lifting lofty perch, set rotation involution element in this air pressure rod, can utilize on it, the corresponding sliding guide face of following involution part contacts to guide and rotates, treat, after turning to the corresponding clip of positioning convex portion and location indentations location between following involution part, can allow chair cushion be retained to the certain orientation position, this moment, this chair cushion also was positioned at the highest height simultaneously, had more practical value and make it implement in the use in integral body.

Description of drawings

Fig. 1: stereochemical structure decomposing schematic representation of the present utility model.

Fig. 2: textural association cross-sectional schematic of the present utility model.

Fig. 3: the view that is provided with of the present utility model.

Fig. 4: the local cross-sectional schematic of amplifying of the present utility model.

Fig. 5: air inlet view of the present utility model.

Fig. 6: molar behavior schematic diagram of the present utility model.

Fig. 7: usage operation schematic diagram one of the present utility model.

Fig. 8: usage operation schematic diagram two of the present utility model.

Fig. 9: usage operation schematic diagram three of the present utility model.

Description of reference numerals:

1 air pressure rod, 11 outer tubes

Pipe 13 outer tubes in 12

14 air valves overlap 141 air valves

15 control pieces, 16 plug parts

161 through holes, 17 enclosing covers

171 through holes, 18 intake valves

181 air admission holes, 182 airtight elements

Involution part on the 2 rotation involution elements 21

211 positioning convex portion, 212 sliding guide faces

22 times involution part 221 location indentations

222 sliding guide faces 3 coat pipe fitting

4 chair tools, 41 bases

42 chair cushions

The specific embodiment

At first, see also Fig. 1 stereochemical structure decomposing schematic representation of the present utility model, Fig. 2 textural association cross-sectional schematic of the present utility model and Fig. 3 is of the present utility model is provided with shown in the view, the utility model mainly is to be provided with rotation involution element 2 in air pressure rod 1, and collocation coats pipe fitting 3 and confession is arranged between chair tool 4 bases 41 and the chair cushion 42; Wherein:

This air pressure rod 1, it makes outer tube 11 be sheathed on outside the interior pipe 12, and be arranged with outer tube 13 again in outer tube 11 outer rims, overlap intrinsic air valve cover 14 in these outer tube 11 upper ends, be arranged with air valve 141 in this air valve cover 14, and be provided with a control piece 15 and can control air valve 141 actions, then be respectively equipped with plug part 16 and enclosing cover 17 in these outer tube 13 lower ends, this plug spare 16 offers through hole 161 and wears for interior pipe 12, and this enclosing cover 17 also offers the through hole 171 that wears for interior pipe 12, pipe 12 then combines with coating pipe fitting 3 in through hole 171 backs that wore enclosing cover 17 and sets firmly in being somebody's turn to do, please consult Fig. 4 local amplification shown in the cross-sectional schematic of the present utility model in addition more in the lump, pipe 12 upper ends are provided with intake valve 18 in this, run through offering air admission hole 181 inside and outside this intake valve 18, are arranged with airtight element 182 simultaneously outside this air admission hole 181.

This rotation involution element 2, it is respectively equipped with involution part 21 and reaches involution part 22 down, upward involution part 21 combines with interior pipe 12 upper ends of air pressure rod 1 and sets firmly, this time involution part 22 then combines with the appropriate position, outer tube 13 inner edge lower end of air pressure rod 1 and sets firmly, this upper and

lower involution part

21,22 has positioning convex portion 211 and the location indentations 221 that matches respectively in corresponding end face, and all is formed with corresponding skewed sliding guide face 212,222 in the positioning convex portion 211 and location indentations 221 both sides of upper and

lower involution part

21,22.

Thus, see also shown in Fig. 5 air inlet view of the present utility model, make the air admission hole 181 that this intake valve 18 is offered under normality can make air that airtight element 182 is backed down the lasting air that imports, the chair cushion 42 that the chair tool 4 of air pressure rod 1 upper end is located in order keeps a power that rises, and when the user rides on this chair cushion 42, the power of this rising is not sufficient to chair cushion 42 together with user's lifting that makes progress, and after the user leaves this chair cushion 42, lasting air inlet by this air admission hole 181, can allow the outer tube 11 and the outer tube 13 of air pressure rod 1 that chair cushion 42 is upwards continued lifting, and when these chair cushion 42 lifting lofty perches, please consult in the lump again shown in the local usage operation schematic diagram of the present utility model of Fig. 6 molar behavior schematic diagram of the present utility model and Fig. 7～9, on the interior pipe 12 of this air pressure rod 1 and the outer tube 13 the rotation involution element 2 of corresponding setting, on it, following

involution part

21,22 promptly can contact, in the order, following

involution part

21,22 corresponding skewed sliding guide faces 212,222 are subjected to guiding because of contacting rotates, set firmly owing to pipe 12 in being somebody's turn to do combines with the base 41 that coats pipe fitting 3 and chair tool 4 this moment, should also can't rotate by interior pipe 12, rotate and allow outer tube 13 drive chair cushion 42, treat, following

involution part

21,22 turn to positioning convex portion 211 and location indentations 221 corresponding clips location after, can allow this chair cushion 42 be retained to the certain orientation position, this moment, this chair cushion 42 also was positioned at the highest height simultaneously.

That is to say, this intake valve 18 is located in the air pressure rod 1, all be designed to a sealing state in this air pressure rod 1, gas pressure in air pressure rod 1 keeps definite value, the air that intake valve 18 is imported is similarly the air in the air pressure rod 1, make when chair cushion 42 is not positioned at the highest height, relatively also expression makes below outer tube 11 inside of the gas flow intake valve 18 in the air pressure rod 1, the gas pressure of these intake valve 18 tops is less than intake valve 18 belows at this moment, the air admission hole 181 that gas can continue to offer via intake valve 18 certainly continues to import, and when air admission hole 181 continued air inlets and allows the outer tube 11 of air pressure rod 1 and outer tube 13 that chair cushion 42 is upwards continued to be raised to peak, the gas pressure in this air pressure rod 1 promptly kept definite value again.

Aforesaid embodiment or graphic and non-limiting structure sample attitude of the present utility model or size have suitable variation or the modification of knowing the knowledgeable usually in any affiliated technical field, all should be considered as not breaking away from patent category of the present utility model.

By the above, the composition of this element and use implementation are as can be known, the utility model and existing structure are compared, because the utility model is provided with the intake valve of tool air admission hole separately in the base of chair tool and the air pressure rod between chair cushion, and in this air pressure rod, be provided with rotation involution element, make its this air admission hole under normality can continue to import air, make chair cushion keep a power that rises, and the user is when riding on this chair cushion, the power of this rising is not sufficient to chair cushion together with user's lifting that makes progress, lasting air inlet by air admission hole after the user leaves chair cushion allows the chair cushion lifting that makes progress, and when chair cushion lifting lofty perch, set rotation involution element in this air pressure rod can allow chair cushion be retained to the certain orientation position, this moment, this chair cushion also was positioned at the highest height simultaneously, and made its whole execution in the use have more practical value.

Claims

1. lifting involution air pressure rod is characterized in that: be provided with rotation involution element between the outer tube of air pressure rod and interior pipe, this air pressure rod is arranged between Base for chair and the chair cushion; Wherein,

The described outer tube sleeve of described air pressure rod is located at outside the described interior pipe, and is arranged with outer tube in described outer tube outer rim, and the pipe upper end is provided with intake valve in this, runs through offering air admission hole inside and outside this intake valve, is arranged with airtight element outside this air admission hole;

This rotation involution element, it is respectively equipped with the involution part and reaches involution part down, upward the involution part combines with the interior pipe upper end of air pressure rod and sets firmly, this time involution part then combines with the outer tube inner edge lower end of described air pressure rod and sets firmly, this upper and lower involution part has positioning convex portion and the location indentations that matches respectively in corresponding end face, and all is formed with corresponding sliding guide face in the positioning convex portion and the location indentations both sides of upper and lower involution part.