CN108644191A - A kind of built-in pressure expansion self-locking structural casing - Google Patents
A kind of built-in pressure expansion self-locking structural casing Download PDFInfo
- Publication number
- CN108644191A CN108644191A CN201810505338.0A CN201810505338A CN108644191A CN 108644191 A CN108644191 A CN 108644191A CN 201810505338 A CN201810505338 A CN 201810505338A CN 108644191 A CN108644191 A CN 108644191A
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- CN
- China
- Prior art keywords
- extrusion
- guide part
- outer tube
- resilient sleeve
- built
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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.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 61
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
- F16B7/1463—Telescoping systems locking in intermediate non-discrete positions with the expansion of an element inside the outer telescoping member due to the axial movement towards a wedge or a conical member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a kind of built-in pressure expansion self-locking structural casings,The inner tube that includes outer tube and can be slided in outer tube,Inner tube is connected with extrusion,The resilient sleeve that the part extrusion expansion that is squeezed realizes outer tube and inner tube locking is equipped between extrusion and outer tube,Resilient sleeve one end is connect with guide part,The resilient sleeve other end is equipped with to be set in outside inner tube and be connect with outer tube and for stopping that inner tube skids off the outer pipe connector sleeves of outer tube,Extrusion, which is connected with mutually to rotate with extrusion, realizes axial movement to make resilient sleeve be detached from the guide part that extrusion squeezes,The screw rod being connect with extrusion is equipped in guide part,One end is arranged on screw rod to connect with screw rod,The spring that the other end is connect with guide part,Extrusion is externally provided with male cone (strobilus masculinus),The outer inclined-plane coordinated with male cone (strobilus masculinus) is equipped in resilient sleeve,It is realized and is stretched by uniaxial direct tensile inner and outer pipes,And realization unlock is turned by outer tube and inner tube each other and is shunk,It is easy to operate.
Description
[technical field]
The present invention relates to a kind of built-in pressure expansion self-locking structural casings.
[background technology]
The existing expansion self-locking structure applied on photography support telescopic sleeve realizes two casings by being rotatablely installed set
Between locking fix or unlock flexible, therefore need when repeatedly adjusting external member length to be rotatablely installed set repeatedly and carry out locking reconciliation
Lock, cumbersome, the length adjustment being especially not easy between three foot sleeve of photographic tripod, while working as and forgetting to be rotatablely installed lock set
When only fixed or rotation locking is not in place, it is easy in use unbalance and breaks equipment.
[invention content]
The invention overcomes the shortcomings of the above-mentioned technology and provides a kind of built-in pressure expansion self-locking structural casings, by straight
It connects to stretch inner and outer pipes and realize and stretch, and realization unlock is turned by outer tube and inner tube each other and is shunk, it is easy to operate.
To achieve the above object, present invention employs following technical proposals：
The inner tube 2 that a kind of built-in pressure expansion self-locking structural casing includes outer tube 1 and can be slided in outer tube 1, institute
State inner tube 2 and be connected with extrusion 3, between the extrusion 3 and outer tube 1 be equipped be squeezed 3 extrusion expansion of part realize outer tube 1 with it is interior
The resilient sleeve 4 of 2 locking of pipe, 4 one end of the resilient sleeve are connect with guide part 5, and 4 other end of the resilient sleeve is equipped with and is set in inner tube
It is connect with outer tube 1 outside 2 and for stopping that inner tube 2 skids off the outer pipe connector sleeves 6 of outer tube 1, the extrusion 3 is connected with and extrusion
3 mutually rotations realize axial movement to make resilient sleeve 4 be detached from the guide part 5 that extrusion 3 squeezes, and are equipped in the guide part 5
The screw rod 7 being connect with extrusion 3, be arranged on the screw rod 7 one end connect with screw rod 7, the bullet of the other end and guide part 5 connection
Spring 8, the extrusion 3 are externally provided with male cone (strobilus masculinus) 23, the outer inclined-plane 24 coordinated with male cone (strobilus masculinus) 23 are equipped in the resilient sleeve 4.
1 medial surface of the outer tube is equipped with outer tube and is oriented to rib 9, divides on the guide part 5, resilient sleeve 4 and outer pipe connector sleeves 6
Guide part guide groove 10, resilient sleeve guide groove 11 and the outer pipe connector sleeves guide groove 12 that rib 9 coordinates She You not be oriented to outer tube.
The outer tube 1 is equipped with positioning through hole 13, and the outer pipe connector sleeves 6 are equipped with the positioning engaged with positioning through hole 13
Convex block 14.
The extrusion 3 is equipped with extrusion recess 15, and the extrusion recess 15 is equipped with recess guiding surface 16, institute
It states guide part 5 and is equipped with the guide part convex block 17 engaged with extrusion recess 15, the guide part convex block 17 is equipped with and recess
The convex block guiding surface 18 moved axially each other is realized in the cooperation of guiding surface 16.
The guide part 5 is equipped with guide part bulge loop 19, and the bullet engaged with guide part bulge loop 19 is equipped in the resilient sleeve 4
Property set groove 20.
Guide part fixture block 21 is equipped in the guide part 5,8 one end of the spring is connect with guide part fixture block 21.
The guide positions convex block 22 for limiting 7 link position of screw rod is equipped in the guide part 5.
It is threadedly coupled between the extrusion 3 and screw rod 7.
It is fixedly connected between said inner tube 2 and extrusion 3.
The beneficial effects of the invention are as follows：
The present invention has SuperPro with all one's strength, and only need to stretch inner and outer pipes realizes length adjustment, when contraction only need outer tube with it is interior
Pipe mutually turns, and so that extrusion is moved axially with guide part by recess guiding surface and convex block guiding surface and realizes unlock, knot
Structure is simply non-maintaining, and stability is high, and individually does locked operation for each section to realize locking between casing without external force, operates
Simple and convenient, the present invention can be used simultaneously multiple stretching structures and without increasing operation difficulty and operating time.
[description of the drawings]
Fig. 1 is schematic structural view of the invention；
Fig. 2 is one of exploded view of the present invention；
Fig. 3 is the two of exploded view of the present invention；
Fig. 4 is the three of exploded view of the present invention；
Fig. 5 is extrusion of the present invention, guide part and resilient sleeve assembling view；
Fig. 6 is guide part schematic diagram of the present invention.
[specific implementation mode]
It is described in further detail below in conjunction with the accompanying drawings with embodiments of the present invention：
As shown in figures 1 to 6, a kind of built-in pressure expansion self-locking structural casing includes outer tube 1 and can be slided in outer tube 1
Dynamic inner tube 2, said inner tube 2 are connected with extrusion 3, and 3 extrusion expansion of part that is squeezed is equipped between the extrusion 3 and outer tube 1
Realize that the resilient sleeve 4 of outer tube 1 and 2 locking of inner tube, 4 one end of the resilient sleeve are connect with guide part 5,4 other end of the resilient sleeve
Equipped with being set in, inner tube 2 is outer to be connect with outer tube 1 and for stopping that inner tube 2 skids off the outer pipe connector sleeves 6 of outer tube 1, the extrusion 3
It is connected with the guide part 5 for realizing axial movement with the mutually rotation of extrusion 3 to make the disengaging extrusion 3 of resilient sleeve 4 squeeze, it is described
The screw rod 7 being connect with extrusion 3 is equipped in guide part 5, be arranged on the screw rod 7 one end connect with screw rod 7, the other end with lead
The spring 8 connected to part 5, the extrusion 3 are externally provided with male cone (strobilus masculinus) 23, are equipped in the resilient sleeve 4 and to coordinate with male cone (strobilus masculinus) 23
Outer inclined-plane 24.
Wherein, the extrusion 3 is equipped with extrusion recess 15, and the extrusion recess 15 is equipped with recess guiding surface
16, the guide part 5 is equipped with the guide part convex block 17 that engage with extrusion recess 15, the guide part convex block 17 equipped with
The convex block guiding surface 18 moved axially each other is realized in the cooperation of recess guiding surface 16.
When stretching, extension, holds outer tube 1 and pull out inner tube 2 to needed length, in drawing process, pass through outer tube 1 and bullet
Property set 4 between frictional force pull guide part 5, inner tube 2 that extrusion 3 is pulled to pull round about, and compressed spring 8 makes to squeeze
The male cone (strobilus masculinus) 23 of casting die 3 is staggered with the outer inclined-plane 24 of resilient sleeve 4, and resilient sleeve 4 is shunk, i.e. frictional force between resilient sleeve 4 and outer tube 1
It reduces, inner tube 2 is made to drive the slidable adjustment length in outer tube of resilient sleeve 4；When length, which is adjusted, to be completed, i.e., do not pulling inner tube 2
When, spring 8 reset, push guide part 5 drive resilient sleeve 4 to extrusion 3 slide, make extrusion 3 squeeze resilient sleeve 4 expansion to
Increase the frictional force between resilient sleeve 4 and outer tube 1, make that there is certain locked power between resilient sleeve 4 and outer tube 1, realize outer tube 1 with
Locking between inner tube 2 is fixed, wherein when 2 stretched maximum length of inner tube, outer pipe connector sleeves 6 play position-limiting action, stop bullet
Property set 4 to prevent inner tube 2 pull out be detached from outer tube 1.
When contraction, two hands hold outer tube 1 and inner tube 2 respectively, and turn each other, at this time the recess on extrusion recess 15
Guiding surface 16 moves each other with the convex block guiding surface 18 on guide part 5, makes extrusion 3 and resilient sleeve 4 to opposite
Direction move, i.e., the male cone (strobilus masculinus) 23 of extrusion 3 is staggered with the outer inclined-plane 24 of resilient sleeve 4, resilient sleeve 4 shrink, i.e., resilient sleeve 4 with outside
Frictional force between pipe 1 is reduced, and inner tube 2 is retracted in outer tube 1 at this time.
Wherein, when outer tube 1 and inner tube 2 slide into maximum length, outer pipe connector sleeves 6 stop resilient sleeve 4, and blocking and bullet
Property set 4 connection extrusion 3 skid off, i.e., blocking connect with extrusion 3 inner tube 2 disengaging outer tube 1.
1 medial surface of the outer tube is equipped with outer tube and is oriented to rib 9, divides on the guide part 5, resilient sleeve 4 and outer pipe connector sleeves 6
It She You not be oriented to guide part guide groove 10, resilient sleeve guide groove 11 and the outer pipe connector sleeves guide groove 12 that rib 9 coordinates with outer tube,
Prevent the rotation between resilient sleeve 4 and guide part 5 and outer tube 1.
The outer tube 1 is equipped with positioning through hole 13, and the outer pipe connector sleeves 6 are equipped with the positioning engaged with positioning through hole 13
Convex block 14 preferably makes outer tube 1 be bonded with outer pipe connector sleeves 6.
The guide part 5 is equipped with guide part bulge loop 19, and the bullet engaged with guide part bulge loop 19 is equipped in the resilient sleeve 4
Property set groove 20, improve the stable connection between guide part 5 and resilient sleeve 4.
Guide part fixture block 21 is equipped in the guide part 5,8 one end of the spring is connect with guide part fixture block 21, preferably
So that spring 8 is resetted and pushes guide part 5.
It is threadedly coupled between the extrusion 3 and screw rod 7, is equipped in the guide part 5 for limiting 7 link position of screw rod
Guide positions convex block 22, compression is set in spring on screw rod 7 completely when preventing from being threadedly coupled between screw rod 7 and extrusion 7
8。
It is fixedly connected between said inner tube 2 and extrusion 3.
Claims (9)
1. a kind of built-in pressure expansion self-locking structural casing, it is characterised in that：Include outer tube (1) and can be in the outer tube (1)
The inner tube (2) of sliding, said inner tube (2) are connected with extrusion (3), are equipped with and are squeezed between the extrusion (3) and outer tube (1)
Part (3) extrusion expansion realizes the resilient sleeve (4) of outer tube (1) and inner tube (2) locking, described resilient sleeve (4) one end and guide part (5)
Connection, resilient sleeve (4) other end are connect with outer tube (1) and equipped with inner tube (2) is set in for stopping that inner tube (2) skids off outside
The outer pipe connector sleeves (6) of outer tube (1), the extrusion (3) be connected with extrusion (3) mutually rotation realize axial movement to
So that resilient sleeve (4) is detached from the guide part (5) that extrusion (3) squeezes, is equipped in the guide part (5) and to be connect with extrusion (3)
Screw rod (7), be arranged on the screw rod (7) one end connect with screw rod (7), the spring (8) of the other end and guide part (5) connection,
The extrusion (3) is externally provided with male cone (strobilus masculinus) (23), and the outer inclined-plane coordinated with male cone (strobilus masculinus) (23) is equipped in the resilient sleeve (4)
(24)。
2. a kind of built-in pressure expansion self-locking structural casing according to claim 1, it is characterised in that：The outer tube (1)
Medial surface is equipped with outer tube and is oriented to rib (9), be respectively equipped on the guide part (5), resilient sleeve (4) and outer pipe connector sleeves (6) and
Outer tube is oriented to guide part guide groove (10), resilient sleeve guide groove (11) and the outer pipe connector sleeves guide groove (12) that rib (9) coordinates.
3. a kind of built-in pressure expansion self-locking structural casing according to claim 1 or 2, it is characterised in that：The outer tube
(1) it is equipped with positioning through hole (13), the outer pipe connector sleeves (6) are equipped with the locating convex block engaged with positioning through hole (13)
(14)。
4. a kind of built-in pressure expansion self-locking structural casing according to claim 1, it is characterised in that：The extrusion
(3) it is equipped with extrusion recess (15), the extrusion recess (15) is equipped with recess guiding surface (16), the guide part
(5) it is equipped with the guide part convex block (17) engaged with extrusion recess (15), the guide part convex block (17) is equipped with and recess
The convex block guiding surface (18) moved axially each other is realized in guiding surface (16) cooperation.
5. a kind of built-in pressure expansion self-locking structural casing according to claim 1, it is characterised in that：The guide part
(5) it is equipped with guide part bulge loop (19), the resilient sleeve groove engaged with guide part bulge loop (19) is equipped in the resilient sleeve (4)
(20)。
6. a kind of built-in pressure expansion self-locking structural casing according to claim 1, it is characterised in that：The guide part
(5) guide part fixture block (21) is equipped in, described spring (8) one end is connect with guide part fixture block (21).
7. a kind of built-in pressure expansion self-locking structural casing according to claim 1, it is characterised in that：The guide part
(5) the guide positions convex block (22) for limiting screw rod (7) link position is equipped in.
8. a kind of built-in pressure expansion self-locking structural casing according to claim 1, it is characterised in that：The extrusion
(3) it is threadedly coupled between screw rod (7).
9. a kind of built-in pressure expansion self-locking structural casing according to claim 1, it is characterised in that：Said inner tube (2)
It is fixedly connected between extrusion (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810505338.0A CN108644191A (en) | 2018-05-24 | 2018-05-24 | A kind of built-in pressure expansion self-locking structural casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810505338.0A CN108644191A (en) | 2018-05-24 | 2018-05-24 | A kind of built-in pressure expansion self-locking structural casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644191A true CN108644191A (en) | 2018-10-12 |
Family
ID=63757940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810505338.0A Pending CN108644191A (en) | 2018-05-24 | 2018-05-24 | A kind of built-in pressure expansion self-locking structural casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644191A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431752A (en) * | 2018-11-14 | 2019-03-08 | 北京大艾机器人科技有限公司 | Retractable structure and exoskeleton robot with it |
| CN110286123A (en) * | 2019-07-15 | 2019-09-27 | 深圳市赛德爱电子有限公司 | A kind of portable visible automobile chassis somascope |
| CN113466059A (en) * | 2021-06-18 | 2021-10-01 | 武汉科技大学 | Seepage-proofing device, shearing box and use method of seepage-proofing device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004092840A (en) * | 2002-09-03 | 2004-03-25 | Mory Industries Inc | Expansion section wedge type fixing apparatus in expansion double pipe |
| CN201836613U (en) * | 2010-09-21 | 2011-05-18 | 佛山市南海祥旺光学电子制品有限公司 | Locking structure of leg tube |
| CN202182089U (en) * | 2011-06-07 | 2012-04-04 | 宁波利铭金属制品有限公司 | Locking device for connecting expansion links |
| CN203784038U (en) * | 2014-04-09 | 2014-08-20 | 张奉果 | Foot tube locking mechanism of tripod |
| CN205298179U (en) * | 2016-01-19 | 2016-06-08 | 陈建丰 | Intraductal two -way automatic locking device |
| KR20170000088A (en) * | 2015-06-23 | 2017-01-02 | 박수경 | Length adjustment devices for pipes |
| CN106763039A (en) * | 2017-02-16 | 2017-05-31 | 中山日高精密工业有限公司 | A kind of locking mechanism for being applied to telescoping tube |
| CN208719090U (en) * | 2018-05-24 | 2019-04-09 | 钟跃飞 | A kind of built-in pressure expansion self-locking structural casing |
-
2018
- 2018-05-24 CN CN201810505338.0A patent/CN108644191A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004092840A (en) * | 2002-09-03 | 2004-03-25 | Mory Industries Inc | Expansion section wedge type fixing apparatus in expansion double pipe |
| CN201836613U (en) * | 2010-09-21 | 2011-05-18 | 佛山市南海祥旺光学电子制品有限公司 | Locking structure of leg tube |
| CN202182089U (en) * | 2011-06-07 | 2012-04-04 | 宁波利铭金属制品有限公司 | Locking device for connecting expansion links |
| CN203784038U (en) * | 2014-04-09 | 2014-08-20 | 张奉果 | Foot tube locking mechanism of tripod |
| KR20170000088A (en) * | 2015-06-23 | 2017-01-02 | 박수경 | Length adjustment devices for pipes |
| CN205298179U (en) * | 2016-01-19 | 2016-06-08 | 陈建丰 | Intraductal two -way automatic locking device |
| CN106763039A (en) * | 2017-02-16 | 2017-05-31 | 中山日高精密工业有限公司 | A kind of locking mechanism for being applied to telescoping tube |
| CN208719090U (en) * | 2018-05-24 | 2019-04-09 | 钟跃飞 | A kind of built-in pressure expansion self-locking structural casing |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109431752A (en) * | 2018-11-14 | 2019-03-08 | 北京大艾机器人科技有限公司 | Retractable structure and exoskeleton robot with it |
| CN110286123A (en) * | 2019-07-15 | 2019-09-27 | 深圳市赛德爱电子有限公司 | A kind of portable visible automobile chassis somascope |
| CN113466059A (en) * | 2021-06-18 | 2021-10-01 | 武汉科技大学 | Seepage-proofing device, shearing box and use method of seepage-proofing device |
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