CN201991993U - Gas-oil pressure buffer structure - Google Patents

Abstract

The utility model relates to a gas-oil pressure buffer structure. An inner pipe fitting is arranged inside an outer pipe fitting, an upper jacking piece, an elastic element, a lower jacking piece and a first washer are sequentially sleeved below an upper supporting edge of the inner pipe fitting, the lower part of the lower supporting edge is fixedly connected with an assembling and fixing hole of a movable seat, a plurality of inner passages are formed on the circumference of the assembling and fixing hole, the upper end of each inner passage is provided with a groove section, an opened end of the inner passage is provided with a guiding part corresponding to the groove section, a concave groove part which is provided with a second washer is formed on the outer end surface, a stop flange with the outer diameter being more than the movable seat is convexly arranged on the bottom edge of the concave groove part, an outer passage is formed by extending the concave groove part towards the stop flange, both the second washer and the stop flange are closely jacked against the inner edge of the outer pipe fitting, so the inner pipe fitting can be directly withdrawn only by upward applying a slight force, or a force which is more than the compression elastic force of the elastic element is applied downwards to compress the inner pipe fitting so as to adjust the application positions of a buffer.

Description

Gas and oil compression buffer structure

Technical field

The utility model is about a kind of gas and oil compression buffer structure, refer in particular to a kind of when this buffer uses the adjustment of lifting high and low position, the power that can directly interior tube body upwards be imposed slight power extraction or impose downwards greater than the elastic element compression elasticity presses its use high and low position of adjustment, make interior tube body more conveniently directly to be adjusted to the location fast, and can more increase its whole gas and oil compression buffer structure of implementing the practical effect on using.

Background technique

General normal can seeing on many drawing bench tools or various High chair tool is provided with air pressure, hydraulic buffer, such air pressure, hydraulic buffer mainly are to be coated with interior tube body in outer tube body, and between outer tube body and interior tube body, be full of pressurized gas or fluid oil, and be provided with one control spanner, the feasible high and low position that can utilize the mobile adjustment interior tube body of these control spanner control pressurized gas or fluid oil, and then reach the use effect purpose highly of adjusting this drawing bench tool or High chair tool.

Yet, above-mentioned air pressure, though can utilizing, hydraulic buffer adjusts in it, pressurized gas or fluid oil flows between outer tube body, reach the expection effect of adjusting this interior tube body height use position, but also on using, its actual embodiment finds, such air pressure, hydraulic buffer is when using adjustment interior tube body high and low position, in case push this control spanner, this interior tube body promptly can up be upspring at once, need the user to push this control spanner on the one hand, on the other hand interior tube body is down pressed, can carry out the adjustment of the high and low position of interior tube body, cause its very big inconvenience on implement using, cause and make this structure in global design, still have improved space.

Therefore, the designer adheres to for many years the abundant of these relevant industries and designs and develops and the actual fabrication experience, studies improvement again, so that another kind of gas and oil compression buffer structure to be provided, so that the selection of more diversified different structure can be arranged, expectation reaches the purpose of better practical value.

The model utility content

The purpose of this utility model is to be to provide a kind of gas and oil compression buffer structure, it can directly upwards impose interior tube body slight power and extract or impose power greater than the elastic element compression elasticity out downwards and press and adjust it and use high and low position, and can more increase its whole practical effect of implementing on using.

For this reason, the utility model proposes a kind of gas and oil compression buffer structure, be to be provided with pipe fitting in buffer, pipe fitting has last contact edge and following contact edge respectively in this, be positioned with in contact edge is sheathed on this and shore sheet, outside the last interior pipe fitting of shoring sheet below, be arranged with elastic element, outside the interior pipe fitting of this elastic element below, be arranged with down and shore sheet, shore the sheet bottom under this and convex with the contact flange, outside the interior pipe fitting of this contact flange below, then be arranged with first packing ring, the following contact edge below combination of pipe fitting is installed with active base in this in addition, this active base is offered in the neutral position and is formed with the solid hole of group and sets firmly for combining with the following contact edge below of interior pipe fitting, be formed with a plurality of internal channels in the solid hole peripheral of the group of active base, corresponding first packing ring is formed with the groove section in the internal channel upper end, make and to shore sheet under the pushing tow in this elastic element under the normality, shoring sheet under the order fills in the first packing ring pushing tow in the groove section with the contact flange, and be formed with diversion division in active base upper end open end respective grooves section, be formed with groove part in this active base exterior edge face again, this groove part is arranged with second packing ring outward, and be convexly equipped with in groove part root edge place and be formed with the block flange of external diameter greater than active base, and run through outside the block flange in groove part and to be formed with external chennel, again with interior pipe fitting together with on shore sheet, elastic element, under shore sheet, first packing ring, active base, second packing ring all is arranged in the outer tube member, outer second sheathed packing ring of the groove part of this active base and the then proper inner edge that all closely stays on outer tube member of block flange.

Gas and oil compression buffer structure as mentioned above wherein, is provided with on the interior pipe fitting that the fastener button is fixed in the active base below, fixes to make active base combine with interior pipe fitting.

Gas and oil compression buffer structure of the present utility model, it mainly is to be provided with pipe fitting in buffer, be positioned with in contact edge is sheathed on this and shore sheet, outside the last interior pipe fitting of shoring sheet below, be arranged with elastic element in regular turn, under shore the sheet and first packing ring, the solid hole of the group of offering with the active base neutral position below the following contact edge of pipe fitting in this combines and sets firmly in addition, be formed with a plurality of internal channels in the solid hole peripheral of group, corresponding first packing ring is formed with the groove section in the internal channel upper end, and be formed with diversion division in active base upper end open end respective grooves section, be formed with groove part in this active base exterior edge face again, this groove part is arranged with second packing ring outward, and be convexly equipped with in groove part root edge place and be formed with the block flange of external diameter greater than active base, and run through outside the block flange in groove part and to be formed with external chennel, again said structure is arranged in the outer tube member outer second sheathed packing ring of the groove part of this active base and the then proper inner edge that all closely stays on outer tube member of block flange; Whereby, make when this buffer uses the adjustment of lifting high and low position, the power that can directly interior tube body upwards be imposed slight power extraction or impose downwards greater than the elastic element compression elasticity presses its use high and low position of adjustment, make that interior tube body can the more convenient location that directly is adjusted to fast, to increase its whole practical effect of implementing on using.

Description of drawings

Fig. 1 is a three-dimensional decomposition chart of the present utility model;

Fig. 2 is a side-looking combination sectional structure chart of the present utility model;

Fig. 3 is the local sectional structure chart that amplifies of side-looking combination of the present utility model;

Fig. 4 is a use rising view of the present utility model;

Fig. 5 is the local sectional structure chart that amplifies of use rising state of the present utility model;

Fig. 6 is that use of the present utility model reduces view;

Fig. 7 is that use of the present utility model reduces the local sectional structure chart that amplifies of state.

The primary component label declaration:

Pipe fitting in 1 buffer 11

112 times contact edge of contact edge on 111

Shore sheet on 113 fasteners 12

13 elastic elements are shored sheet 14 times

141 contact flanges, 15 first packing rings

161 groups of solid holes of 16 active base

162 internal channels, 163 groove sections

164 diversion divisions, 165 groove parts

166 block flanges, 167 external chennels

17 second packing rings, 18 outer tube members

Embodiment

Understand for technical characteristics of the present utility model, purpose and effect being had more clearly, now contrast description of drawings embodiment of the present utility model:

At first, see also Fig. 1 three-dimensional decomposition chart of the present utility model, Fig. 2 side-looking combination sectional structure chart of the present utility model and local the amplification shown in the sectional structure chart of Fig. 3 side-looking combination of the present utility model, buffer 1 of the present utility model mainly is provided with pipe fitting 11 in, pipe fitting 11 has last contact edge 111 and following contact edge 112 respectively in this, on 111 sheathed being positioned with of contact edge on this, shore sheet 12, outside the last interior pipe fitting 11 of shoring sheet 12 belows, be arranged with elastic element 13, outside the interior pipe fitting 11 of these elastic element 13 belows, be arranged with down and shore sheet 14, shore sheet 14 bottoms under this and convex with contact flange 141, outside the interior pipe fitting 11 of these contact flange 141 belows, then be arranged with first packing ring 15, following contact edge 112 belows of pipe fitting 11 are provided with active base 16 in this in addition, this active base 16 offer in the neutral position be formed with the solid hole 161 of group for sheathed combination the in following contact edge 112 belows of interior pipe fitting 11, and utilize fastener 113 buttons to be fixed on the interior pipe fitting 11 of active base 16 belows, fixing to make active base 16 combine with interior pipe fitting 11,161 peripheries are formed with a plurality of internal channels 162 in the solid hole of group of active base 16, corresponding first packing ring 15 is formed with groove section 163 in internal channel 162 upper ends, make and to shore sheet 14 under the pushing tow in this elastic element 13 under the normality, shoring sheet 14 under the order fills in first packing ring, 15 pushing tows in the groove section 163 with contact flange 141, and be formed with diversion division 164 in active base 16 upper end open end respective grooves sections 163, be formed with groove part 165 in these active base 16 exterior edge faces again, these groove part 165 outer second packing rings 17 that are arranged with, and be convexly equipped with in groove part 165 root edge places and be formed with the block flange 166 of external diameter greater than active base 16, and run through outside block flange 166 in groove part 165 and to be formed with external chennel 167, again with interior pipe fitting 11 together with on shore sheet 12, elastic element 13, under shore sheet 14, first packing ring 15, active base 16, second packing ring 17 all is arranged in the outer tube member 18, the groove part 165 outer second sheathed packing rings 17 and 166 inner edges that just all closely stay on outer tube member 18 of block flange of this active base 16, and in outer tube member 18, be full of pressurized gas or fluid oil.

Thus, make the utility model on manipulating, buffer 1 of the present utility model can be installed on the utensil of desire control adjustable heights such as drawing bench tool or various High chair tool, when desire makes progress lifting with this appliances, see also shown in the local amplification of Fig. 4 use rising of the present utility model view and Fig. 5 use rising of the present utility model state sectional structure chart, it is to make the interior pipe fitting 11 of buffer 1 directly impose slight power upwards extract out outside the outer tube member 18, this moment, the groove part 165 outer second sheathed packing rings 17 of these active base 16 exterior edge faces were because of closely staying on the inner edge of outer tube member 18, make along with interior pipe fitting 11 this second packing ring 17 that moves up promptly can move to block flange 166 tops of groove part 165 root edges, order is positioned at the pressurized gas or the fluid oil of active base 16 tops of outer tube member 18, can be by intermarginal space in active base 16 outer rims and the outer tube member 18, and by active base 16 belows of active base 16 groove parts 165 in external chennel 167 flow to outer tube member 18, this interior pipe fitting 11 can arbitrarily be made progress to raise adjust the location.

And will be installed on buffer 1 on the utensils such as drawing bench tool or various High chair tool when desire when reducing downwards, see also Fig. 6 use of the present utility model and reduce view and local the amplification shown in the sectional structure chart of Fig. 7 use reduction of the present utility model state, it is that interior pipe fitting 11 to buffer 1 directly imposes a power greater than elastic element 13 compression elasticities downwards and presses in the retraction outer tube member 18, this moment, the groove part 165 outer second sheathed packing rings 17 of these active base 16 exterior edge faces were because of closely staying on the inner edge of outer tube member 18, make and promptly can move to block location, groove part 165 upper limb place along with interior pipe fitting 11 moves down this second packing ring 17, allow the pressurized gas or the fluid oil of active base 16 belows in the outer tube member 18 upwards flow through groove part 165 by the external chennel 167 of active base 16, and can upwards flow by the internal channel 162 of active base 16, make pressurized gas or fluid oil through the groove section 163 of internal channel 162 upper ends with first packing ring 15 pushing tow upwards, allow first packing ring 15 together with under shore upwards compression elastic element 13 of sheet 14, make first packing ring 15 leave groove section 163, can allow the pressurized gas of active base 16 belows in the outer tube member 18 or fluid oil flow to active base 16 tops outer tube member 18 in by diversion division 164, allow in this pipe fitting 11 can arbitrarily reduce to adjust downwards and locate through groove section 163.

By the above, forming and use implementation as can be known by the utility model structure, the utility model and existing structure are in comparison, the utility model mainly is when this buffer uses the adjustment of lifting high and low position, the power that can directly interior tube body upwards be imposed slight power extraction or impose downwards greater than the elastic element compression elasticity presses its use high and low position of adjustment, make that interior tube body can the more convenient location that directly is adjusted to fast, to increase its whole practical effect of implementing on using.

The above only is the schematic embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.

Claims (2)

1. gas and oil compression buffer structure, it is characterized in that, this buffer is provided with pipe fitting in, pipe fitting has last contact edge and following contact edge respectively in this, be positioned with in contact edge is sheathed on this and shore sheet, on this, shore sheet below should in be arranged with elastic element outside the pipe fitting, be arranged with down outside the pipe fitting in below this elastic element this and shore sheet, shore the sheet bottom under this and convex with the contact flange, outside the interior pipe fitting of this contact flange below, then be arranged with first packing ring, the following contact edge below combination of pipe fitting is installed with active base in this in addition, this active base in the neutral position offer be formed with should in the following contact edge below of pipe fitting combine the group that sets firmly and consolidate the hole, be formed with a plurality of internal channels in the solid hole peripheral of the group of this active base, be formed with the groove section in this corresponding first packing ring in internal channel upper end, this elastic element can pushing tow be shored sheet under this, shoring sheet under this can fill in this first packing ring pushing tow in this groove section by the contact flange, and in this active base upper end open end to should the groove section being formed with diversion division, be formed with groove part in this active base exterior edge face again, this groove part is arranged with second packing ring outward, and be convexly equipped with in this groove part root edge place and be formed with the block flange of external diameter greater than this active base, and run through outside this block flange in this groove part and to be formed with external chennel, pipe fitting is together with shoring sheet on this in being somebody's turn to do, elastic element, under shore sheet, first packing ring, active base, second packing ring all is arranged in the outer tube member, the inner edge that second packing ring that the groove part of this active base is sheathed outward and this block flange can closely stay on this outer tube member.

2. gas and oil compression buffer structure as claimed in claim 1 is characterized in that, this buffer is provided with on the interior pipe fitting that the fastener button is fixed in this active base below, and this active base can combine with pipe fitting in this fixes.

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