CN207583745U - A kind of limiting structure for air pressure bar - Google Patents
A kind of limiting structure for air pressure bar Download PDFInfo
- Publication number
- CN207583745U CN207583745U CN201721349209.4U CN201721349209U CN207583745U CN 207583745 U CN207583745 U CN 207583745U CN 201721349209 U CN201721349209 U CN 201721349209U CN 207583745 U CN207583745 U CN 207583745U
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- CN
- China
- Prior art keywords
- air pressure
- pressure rod
- end cylinder
- shaft wheel
- wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of limiting structure for air pressure bar, structure includes：Limit sheave block, fastener shaft wheel disc, air pressure rod column casing, fasten wheel disc, chimeric wheel cover disc, fixed screw disk, air pressure rod head end cylinder, air pressure rod middle-end cylinder, air pressure rod tail end cylinder, horizontal insert is embedded at left and right sides of air pressure rod middle-end cylinder air pressure rod head end cylinder respectively with air pressure rod tail end cylinder, fixed screw disk be equipped with it is more than two and with air pressure rod head end cylinder, air pressure rod middle-end cylinder, air pressure rod tail end cylinder is around connection, the utility model limiting sheave block is equipped with limit button block, limit shaft wheel valve jacket, limit shaft wheel channel bar, limit shaft wheel, realize the mechanical engagement flexibility of limiting structure for air pressure bar, it needs to press during limiting, the transmission of axis wheel is blocked and is hingedly consolidated, unlimited limiting valve jacket protection axis wheel is anti-wear, position limiting structure utilization is more efficient.
Description
Technical field
The utility model is a kind of limiting structure for air pressure bar, belongs to air pressure rod spacing equipment field.
Background technology
Air pressure rod, comprising one uprightly extend hollow tubular outer shell, one be coaxially consolidated in the outer shell and inside defines
The hollow tubular inner casing of one gas chamber, one can up or down airtight stopper loaded in the inner casing piston, one from the piston to downward
Stretch out the piston rod and an airtightly control device in the inner casing upper end of outer shell；The inner casing has one by hard plastic
Material is made and peripheral surface be consolidated in the outer shell inner peripheral surface casing wall and one upwardly extended from the casing wall bottom surface and with a top
The runner connected with the upper end of gas chamber, the control device are selectively connected with barrier in the gas chamber upper end and the runner top
Between end opening.
Prior art discloses application No. is：A kind of limiting structure for air pressure bar of CN200720004886.2, including plastic cement
Chair leg and air pressure rod are equipped with centre bore at the center of chair leg, and the air pressure rod is in the centre bore, in the centre bore
Wall is equipped with the salient point that is limited to air pressure rod, and the distance of the step lower edge of the top edge of the salient point on air pressure rod is
3-4mm.The utility model sets salient point in chair leg centre bore, and salient point limits air pressure rod, effectively prevents air pressure rod
Sink, so avoid air pressure rod sink caused by a series of problems, improve the performance of product, and in the mistake of production
Cheng Zhong will not have flash after removing material head, reduce subsequent job amount, save manually, but prior art limiting structure for air pressure bar
The personnel of rubbing polish salient point for a long time, and the later stage by unlimited bit function, can not keep the perfect and efficiently and accurately of position limiting structure for a long time
Position limitation protection air pressure bar structure.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of limiting structure for air pressure bar, to solve
The personnel of rubbing polish the salient point of limiting structure for air pressure bar for a long time, and the later stage by unlimited bit function, can not keep position limiting structure for a long time
The problem of improving the position limitation protection air pressure bar structure of efficiently and accurately again.
To achieve these goals, the utility model is to realize by the following technical solutions：A kind of air pressure rod limiting
Structure, structure include：Limit sheave block, fastener shaft wheel disc, air pressure rod column casing, fastening wheel disc, chimeric wheel cover disc, fixed screw
Disk, air pressure rod head end cylinder, air pressure rod middle-end cylinder, air pressure rod tail end cylinder, the air pressure rod head end cylinder are distinguished with air pressure rod tail end cylinder
Level is inserted at left and right sides of the air pressure rod middle-end cylinder, the fixed screw disk be equipped with it is more than two and with air pressure rod head end
Cylinder, air pressure rod middle-end cylinder, air pressure rod tail end cylinder are around connection, and the fastening wheel disc is tightly attached to vertically on the left of chimeric wheel cover disc, institute
It states limiting sheave block to be horizontally installed on the left of fastener shaft wheel disc and be gap-matched, the chimeric wheel cover disc is fixed on vertically
On the left of air pressure rod head end cylinder, the fastener shaft wheel disc is fixed on fastening wheel disc at left and right sides of air pressure rod column casing vertically respectively, institute
State limiting sheave block, fastener shaft wheel disc, air pressure rod column casing, fastening wheel disc, chimeric wheel cover disc, fixed screw disk, air pressure rod head end
Cylinder, air pressure rod middle-end cylinder, the axle center of air pressure rod tail end cylinder are conllinear, and the limiting sheave block is equipped with limit button block, limit shaft wheel
Valve jacket, limit shaft wheel channel bar, limit shaft wheel, the limit button block are horizontally installed on the left of limit shaft wheel valve jacket and using machine
Tool connects, and the limit shaft wheel channel bar level is through limit shaft wheel valve jacket and with limit shaft wheel using interference fit, the limit
Position axis wheel valve jacket is horizontally installed on the left of fastener shaft wheel disc and is gap-matched.
Further, the fixed screw disk is made of screw cross recess, fixed screw cap, screw hole disk ring.
Further, the screw cross recess level is welded on inside fixed screw cap.
Further, the fixed screw cap is used with screw hole disk ring and is interference fitted.
Further, the fixed screw cap is conllinear with the axle center of screw hole disk ring.
Further, the limiting sheave block is mechanical part, and flexibility ratio is high, and card slot limiting is strong.
Further, the fixed screw disk is hardware component, and hardness is high, hinged firm strong.
Advantageous effect
The utility model limiting sheave block is equipped with limit button block, limit shaft wheel valve jacket, limit shaft wheel channel bar, limit shaft
Wheel realizes the mechanical engagement flexibility of limiting structure for air pressure bar, needs to press during limiting, and the transmission of axis wheel is blocked and is hinged steady
Gu infinitely limiting valve jacket protection axis wheel is anti-wear, position limiting structure utilization is more efficient.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of limiting structure for air pressure bar of the utility model.
Fig. 2 is the structure diagram that a kind of limiting structure for air pressure bar of the utility model limits sheave block.
Fig. 3 is a kind of structure diagram of limiting structure for air pressure bar fixed screw disk of the utility model.
In figure：Limit sheave block -1, fastener shaft wheel disc -2, air pressure rod column casing -3, fastening wheel disc -4, chimeric wheel cover disc -5,
Fixed screw disk -6, air pressure rod head end cylinder -7, air pressure rod middle-end cylinder -8, air pressure rod tail end cylinder -9, limit button block -100, limiting
Axis wheel valve jacket -101, limit shaft wheel channel bar -102, limit shaft wheel -103, screw cross recess -600, fixed screw cap -601, screw
Porose disc ring -602.
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, below
With reference to specific embodiment, the utility model is expanded on further.
- Fig. 3 is please referred to Fig.1, the utility model provides a kind of limiting structure for air pressure bar：Its structure includes：Limit sheave block
1st, fastener shaft wheel disc 2, air pressure rod column casing 3, fastening wheel disc 4, chimeric wheel cover disc 5, fixed screw disk 6, air pressure rod head end cylinder 7, gas
Pressure bar middle-end cylinder 8, air pressure rod tail end cylinder 9, horizontal insert is embedded in air pressure to the air pressure rod head end cylinder 7 respectively with air pressure rod tail end cylinder 9
The left and right sides of stick middle-end cylinder 8, the fixed screw disk 6 be equipped with it is more than two and with air pressure rod head end cylinder 7, air pressure rod middle-end
Around connection, the fastening wheel disc 4 is tightly attached to chimeric 5 left side of wheel cover disc, the limiting sheave vertically for cylinder 8, air pressure rod tail end cylinder 9
Block 1 is horizontally installed to 2 left side of fastener shaft wheel disc and is gap-matched, and the chimeric wheel cover disc 5 is fixed on air pressure rod vertically
7 left side of head end cylinder, the fastener shaft wheel disc 2 is fixed on 3 left and right sides of air pressure rod column casing vertically respectively with fastening wheel disc 4, described
Limit sheave block 1, fastener shaft wheel disc 2, air pressure rod column casing 3, fastening wheel disc 4, chimeric wheel cover disc 5, fixed screw disk 6, air pressure rod
Head end cylinder 7, air pressure rod middle-end cylinder 8, the axle center of air pressure rod tail end cylinder 9 are conllinear, and the limiting sheave block 1 is equipped with limit button block
100th, limit shaft wheel valve jacket 101, limit shaft wheel channel bar 102, limit shaft wheel 103, the limit button block 100 are horizontally installed to limit
On the left of position axis wheel valve jacket 101 and using mechanical connection, the limit shaft wheel channel bar 102 is horizontal to run through limit shaft wheel valve jacket 101
And with limit shaft wheel 103 using being interference fitted, the limit shaft wheel valve jacket 101 is horizontally installed to 2 left side of fastener shaft wheel disc simultaneously
And be gap-matched, the fixed screw disk 6 is by screw cross recess 600, fixed screw cap 601,602 groups of screw hole disk ring
Into 600 level of screw cross recess is welded on inside fixed screw cap 601, the fixed screw cap 601 and screw hole disk ring
602 using interference fit, and the fixed screw cap 601 is conllinear with the axle center of screw hole disk ring 602, and the limiting sheave block 1 is
Mechanical part, flexibility ratio is high, and card slot limiting is strong, and the fixed screw disk 6 is hardware component, and hardness is high, hinged firm strong.
During the use of limiting structure for air pressure bar, by the limit shaft wheel channel bar 102 and limit shaft that limit sheave block 1
Wheel 103 limits and stucks the distance of stretch out and draw back of air pressure rod and 101 effective protection limit shaft wheel 103 of limit shaft wheel valve jacket is coordinated to prevent from grinding
Cooperation pressure bar column casing 3 acts damage again, and the mechanical engagement flexibility of limiting structure for air pressure bar is reached by limiting sheave block 1, is needed
It is pressed during limiting, the transmission of axis wheel is blocked and hingedly consolidated, and the unlimited valve jacket that limits protects axis wheel anti-wear, and position limiting structure is with more
Increase effect.
Limiting sheave block 1 described in the utility model is exactly " iron block " of restriction site, is fixed on limited block with screw
Lathe region of interest, controls stroke, has fixed, has adjustable.
Its structure and principle are all that this technology personnel can be learnt by technical manual or be known by routine experiment method,
The utility model solves the problems, such as it is that the personnel of rubbing polish for a long time for the salient point of limiting structure for air pressure bar, the later stage by unlimited bit function,
Perfect and efficiently and accurately the position limitation protection air pressure bar structure of position limiting structure can not be kept for a long time, and the utility model passes through above-mentioned portion
Part is combined with each other, and can reach the mechanical engagement flexibility of limiting structure for air pressure bar, needs to press during limiting, axis wheel transmission card
It consolidates firmly and hingedly, unlimited limiting valve jacket protection axis wheel is anti-wear, and position limiting structure utilization is more efficient, described in detail below：
The limit button block 100 is horizontally installed to 101 left side of limit shaft wheel valve jacket and using mechanical connection, the limit
Position axis wheel channel bar 102 is horizontal to use interference fit, the limit shaft through limit shaft wheel valve jacket 101 and with limit shaft wheel 103
Wheel valve jacket 101 is horizontally installed to 2 left side of fastener shaft wheel disc and is gap-matched.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of limiting structure for air pressure bar, structure include：Limit sheave block (1), fastener shaft wheel disc (2), air pressure rod column casing
(3), fastening wheel disc (4), chimeric wheel cover disc (5), fixed screw disk (6), air pressure rod head end cylinder (7), air pressure rod middle-end cylinder (8),
Air pressure rod tail end cylinder (9), horizontal insert is embedded in air pressure rod middle-end to the air pressure rod head end cylinder (7) respectively with air pressure rod tail end cylinder (9)
At left and right sides of cylinder (8), the fixed screw disk (6) equipped with it is more than two and with air pressure rod head end cylinder (7), air pressure rod middle-end
Around connection, the fastening wheel disc (4) is tightly attached to vertically on the left of chimeric wheel cover disc (5), special for cylinder (8), air pressure rod tail end cylinder (9)
Sign is：
The limiting sheave block (1) is horizontally installed on the left of fastener shaft wheel disc (2) and is gap-matched, the chimeric wheel cap
Disk (5) is fixed on vertically on the left of air pressure rod head end cylinder (7), and the fastener shaft wheel disc (2) is vertical fixed respectively with fastening wheel disc (4)
At left and right sides of air pressure rod column casing (3), the limiting sheave block (1), fastener shaft wheel disc (2), air pressure rod column casing (3), fastening wheel
Disk (4), chimeric wheel cover disc (5), fixed screw disk (6), air pressure rod head end cylinder (7), air pressure rod middle-end cylinder (8), air pressure rod tail end
The axle center of cylinder (9) is conllinear；
It is described limiting sheave block (1) equipped with limit button block (100), limit shaft wheel valve jacket (101), limit shaft wheel channel bar (102),
Limit shaft wheel (103), the limit button block (100) are horizontally installed on the left of limit shaft wheel valve jacket (101) and using machinery
Connection, the limit shaft wheel channel bar (102) is horizontal to run through limit shaft wheel valve jacket (101) and was used with limit shaft wheel (103)
It is full of cooperation, the limit shaft wheel valve jacket (101) is horizontally installed on the left of fastener shaft wheel disc (2) and is gap-matched.
2. a kind of limiting structure for air pressure bar according to claim 1, it is characterised in that：The fixed screw disk (6) is by spiral shell
Silk cross recess (600), fixed screw cap (601), screw hole disk ring (602) composition.
3. a kind of limiting structure for air pressure bar according to claim 2, it is characterised in that：Screw cross recess (600) water
Flat welded is internal in fixed screw cap (601).
4. a kind of limiting structure for air pressure bar according to claim 2, it is characterised in that：The fixed screw cap (601) with
Screw hole disk ring (602) is using interference fit.
5. a kind of limiting structure for air pressure bar according to claim 2, it is characterised in that：The fixed screw cap (601) with
The axle center of screw hole disk ring (602) is conllinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721349209.4U CN207583745U (en) | 2017-10-18 | 2017-10-18 | A kind of limiting structure for air pressure bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721349209.4U CN207583745U (en) | 2017-10-18 | 2017-10-18 | A kind of limiting structure for air pressure bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207583745U true CN207583745U (en) | 2018-07-06 |
Family
ID=62728077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721349209.4U Expired - Fee Related CN207583745U (en) | 2017-10-18 | 2017-10-18 | A kind of limiting structure for air pressure bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207583745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403382A (en) * | 2019-08-22 | 2019-11-05 | 常州市莱特气弹簧有限公司 | The air pressure rod quickly assembled and disassembled with chair lift supporting mechanism |
-
2017
- 2017-10-18 CN CN201721349209.4U patent/CN207583745U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403382A (en) * | 2019-08-22 | 2019-11-05 | 常州市莱特气弹簧有限公司 | The air pressure rod quickly assembled and disassembled with chair lift supporting mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20211018 |