CN208719090U - 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
- CN208719090U CN208719090U CN201820786393.7U CN201820786393U CN208719090U CN 208719090 U CN208719090 U CN 208719090U CN 201820786393 U CN201820786393 U CN 201820786393U CN 208719090 U CN208719090 U CN 208719090U
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- China
- Prior art keywords
- extrusion
- guide part
- outer tube
- resilient sleeve
- inner tube
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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
- 230000008602 contraction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model 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, which is equipped with, is set in the outer outer pipe connector sleeves for connecting with outer tube and being used to that inner tube to be stopped to skid off outer tube of inner 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 connecting 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 cooperated 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 pass through Outer tube and inner tube turn realization unlock each other and shrink, easy to operate.
Description
[technical field]
The utility model relates to a kind of built-in pressure expansion self-locking structural casings.
[background technique]
The existing expansion self-locking structure applied on photography support telescopic sleeve realizes two casings by rotational installation set
Between locking fix or unlock flexible, therefore need to be rotatablely installed set repeatedly when repeatedly adjusting external member length 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.
[utility model content]
The utility model overcomes the deficiency of above-mentioned technology, provides a kind of built-in pressure expansion self-locking structural casing, leads to
It crosses uniaxial direct tensile inner and outer pipes and realizes stretching, extension, 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, the utility model uses following technical proposal:
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, described 4 one end of resilient sleeve are connect with guide part 5, and 4 other end of resilient sleeve is equipped with and is set in inner tube
The 2 outer outer pipe connector sleeves 6 for connecting with outer tube 1 and being used to that inner tube 2 to be stopped to skid off 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, are equipped with the outer inclined-plane 24 cooperated with male cone (strobilus masculinus) 23 in the resilient sleeve 4.
1 medial surface of outer tube is equipped with outer tube guiding 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 She You not cooperate with outer tube guiding rib 9.
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, is equipped with the bullet engaged with guide part bulge loop 19 in the resilient sleeve 4
Property set groove 20.
It is equipped with guide part fixture block 21 in the guide part 5, described 8 one end of 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 utility model are:
The utility model has SuperPro with all one's strength, only need to stretch inner and outer pipes and realize length adjustment, and when contraction only needs outer tube
It is mutually turned with inner tube, moves axially extrusion and guide part by recess guiding surface and convex block guiding surface and realize solution
Lock, structure is simply non-maintaining, and stability is high, and individually does for each section without external force locked operate and lock between casing to realize
Only, simple and convenient, the utility model can be used simultaneously multiple stretching structures and without increasing operation difficulty and operating time.
[Detailed description of the invention]
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is one of the utility model exploded view；
Fig. 3 is the two of the utility model exploded view；
Fig. 4 is the three of the utility model exploded view；
Fig. 5 is the utility model extrusion, guide part and resilient sleeve assembling view；
Fig. 6 is the utility model guide part schematic diagram.
[specific embodiment]
It is described in further detail with reference to the accompanying drawing with the 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 the resilient sleeve 4 of outer tube 1 and 2 locking of inner tube, described 4 one end of resilient sleeve is connect with guide part 5,4 other end of resilient sleeve
Equipped with being set in the outer outer pipe connector sleeves 6 for connecting with outer tube 1 and being used to that inner tube 2 to be stopped to skid off outer tube 1 of inner tube 2, the extrusion 3
It is connected with described to make resilient sleeve 4 be detached from the guide part 5 that extrusion 3 squeezes with the mutually rotation realization axial movement of extrusion 3
The screw rod 7 connecting 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 cooperate 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, during stretching, pass through outer tube 1 and bullet
Property set 4 between frictional force pull guide part 5, inner tube 2 pulls extrusion 3 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 when the adjustment is 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 outer pipe connector sleeves 6 play position-limiting action when 2 stretched maximum length of inner tube, stops 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 is mobile, i.e., the male cone (strobilus masculinus) 23 of extrusion 3 is staggered with the outer inclined-plane 24 of resilient sleeve 4, and resilient sleeve 4 is shunk, 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, that is, stop connect with extrusion 3 inner tube 2 disengaging outer tube 1.
1 medial surface of outer tube is equipped with outer tube guiding 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 She You not cooperate with outer tube guiding rib 9,
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 is bonded outer tube 1 with outer pipe connector sleeves 6.
The guide part 5 is equipped with guide part bulge loop 19, is equipped with the bullet engaged with guide part bulge loop 19 in the resilient sleeve 4
Property set groove 20, improve the stable connection between guide part 5 and resilient sleeve 4.
It is equipped with guide part fixture block 21 in the guide part 5, described 8 one end of spring is connect with guide part fixture block 21, preferably
It resets spring 8 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, the spring that is set on screw rod 7 is compressed when preventing from being threadedly coupled between screw rod 7 and extrusion 7 completely
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 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 inner tube (2) to skid 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) squeeze, 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 cooperated 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 guiding rib (9), be respectively equipped on the guide part (5), resilient sleeve (4) and outer pipe connector sleeves (6) and
Guide part guide groove (10), resilient sleeve guide groove (11) and the outer pipe connector sleeves guide groove (12) of outer tube guiding rib (9) cooperation.
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) positioning through hole (13) are equipped with, 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) extrusion recess (15) are equipped with, 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) guide part bulge loop (19) are equipped with, 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) are 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 |
|---|---|---|---|
| CN201820786393.7U CN208719090U (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 |
|---|---|---|---|
| CN201820786393.7U CN208719090U (en) | 2018-05-24 | 2018-05-24 | A kind of built-in pressure expansion self-locking structural casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719090U true CN208719090U (en) | 2019-04-09 |
Family
ID=65970764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820786393.7U Expired - Fee Related CN208719090U (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) | CN208719090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644191A (en) * | 2018-05-24 | 2018-10-12 | 钟跃飞 | A kind of built-in pressure expansion self-locking structural casing |
| CN110409826A (en) * | 2019-07-31 | 2019-11-05 | 浙江全能建模板技术有限公司 | A kind of screw rod casing through walls and application have the component through walls of the casing |
-
2018
- 2018-05-24 CN CN201820786393.7U patent/CN208719090U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644191A (en) * | 2018-05-24 | 2018-10-12 | 钟跃飞 | A kind of built-in pressure expansion self-locking structural casing |
| CN110409826A (en) * | 2019-07-31 | 2019-11-05 | 浙江全能建模板技术有限公司 | A kind of screw rod casing through walls and application have the component through walls of the casing |
| CN110409826B (en) * | 2019-07-31 | 2024-05-24 | 浙江康帕斯流体技术股份有限公司 | Wall-penetrating screw sleeve and wall-penetrating assembly using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan Yichuang photographic equipment Co.,Ltd. Assignor: Zhong Yuefei Contract record no.: X2020990000074 Denomination of utility model: Casing pipe with built-in pressure telescopic self-locking structure Granted publication date: 20190409 License type: Exclusive License Record date: 20200210 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |