CN105313850B - A kind of telescopic support legs - Google Patents
A kind of telescopic support legs Download PDFInfo
- Publication number
- CN105313850B CN105313850B CN201510843676.1A CN201510843676A CN105313850B CN 105313850 B CN105313850 B CN 105313850B CN 201510843676 A CN201510843676 A CN 201510843676A CN 105313850 B CN105313850 B CN 105313850B
- Authority
- CN
- China
- Prior art keywords
- annular
- sleeve
- push rod
- hole
- end cap
- Prior art date
- 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.)
- Expired - Fee Related
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
A kind of telescopic support legs, including push rod, annular end cap, sleeve, annular retainer, steel ball, spring and camshaft, the barrel bore includes path part, large diameter portion and conical section, path part is connected with large diameter portion by conical section transition, annular end cap is fixed on the large diameter portion end of sleeve, push rod is arranged on barrel bore through annular end cap female coaxial, annular retainer is sleeved on push rod, annular retainer is provided with multiple steel balls setting-in through hole, steel ball is installed in steel ball setting-in through hole, spring is also sleeved on push rod and between ball retainer and annular end cap, cam shaft through-hole is offered on the barrel of the conical section of sleeve, camshaft is arranged in cam shaft through-hole, the cam portion of camshaft is located at the top of annular retainer.Support leg structure is simple, and cost of manufacture is cheap, and supporting leg scaling operation is convenient, durable in use without completing main leg using extra screw and extending the locking of leg.
Description
Technical field
The present invention relates to mechanical field, specifically a kind of telescopic support legs.
Background technology
Supporting leg is mainly being stretched with oil cylinder for hand-rail type at present, and the support leg structure is complicated, it is necessary to configure gear biography
Motivation structure or Hydraulic Elements（Only applicable semitrailer and heavy truck）, cost of manufacture is high, and assembling process is loaded down with trivial details, goes wrong
Maintenance is difficult.Also it is partly the small-sized telescopic outrigger of threaded connection, load capacity is too small.Lack it is simple in construction, easy to use,
The Telescopic support leg of good reliability.Supporting leg also uses the two-part structure of extension type, but this supporting leg is scarce
Point is use extra screw to need during regulation insertion screw to be determined as the positioner between main leg and two sections of leg of regulation
Position, it is more loaded down with trivial details, made troubles to regulation.And to finish when being collected screw again easy to be lost for use, is caused to next use
Inconvenience.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides it is a kind of use and collect it is more convenient can bear it is larger
The telescopic support legs of weight.
To achieve these goals, present invention employs following technical scheme：
A kind of telescopic support legs, it is characterised in that including push rod, annular end cap, sleeve, annular retainer, steel ball, spring
And camshaft.
The barrel bore includes path part, large diameter portion and conical section, and path part and large diameter portion pass through cone
Shape section transitions are connected, and annular end cap is fixed on the large diameter portion end of sleeve, and push rod is pacified through annular end cap female coaxial
Mounted in barrel bore, annular retainer is sleeved on push rod, and annular retainer is provided with multiple steel balls setting-in through hole, steel ball setting-in
Steel ball is installed, spring is also sleeved on push rod and between ball retainer and annular end cap, the taper of sleeve in through hole
Cam shaft through-hole is offered on partial barrel, camshaft is arranged in cam shaft through-hole, and the cam portion of camshaft is located at ring
The top of shape retainer.
The push rod is fitted close with the path part of annular end cap endoporus and barrel bore.
The annular retainer outside wall surface is the inclined-plane coordinated with the conical section of sleeve, and steel ball setting-in through hole is opened in tiltedly
On face.
The path part end of the sleeve is provided with annular ear, and load cross bar is provided with annular ear.
Also include base, one end that push rod is located at outside sleeve is fixed on base.
Also include 8-shaped lock washer and locking nail, camshaft is arranged in a hole of 8-shaped lock washer, lock
Mark closely and clenched through another hole of 8-shaped lock washer on sleeve outer wall face.
The cam portion band plane of described camshaft, the plane withstands annular retainer during effect.
Compared with prior art, the beneficial effect that the present invention possesses：
Support leg structure is simple, and cost of manufacture is cheap, and supporting leg scaling operation is convenient, without using extra screw come complete
It is durable in use into the locking of main leg and extension leg.
Brief description of the drawings
Fig. 1 is the sectional view of telescopic support legs of the present invention.
Fig. 2 is the internal structure schematic diagram of telescopic support legs of the present invention.
Fig. 3 is the overall structure stereogram of telescopic support legs of the present invention.
Fig. 4 is the sectional view of the sleeve of telescopic support legs of the present invention.
Fig. 5 illustrates for the installation of the camshaft of telescopic support legs of the present invention, 8-shaped lock washer and locking nail
Figure.
Embodiment
Technical scheme is further elaborated below by embodiment.
Embodiment 1
A kind of telescopic support legs, including push rod 1, annular end cap 2, sleeve 3, annular retainer 4, steel ball 5, spring 6 and
Camshaft 7,
The inner chamber of sleeve 3 includes path part, large diameter portion and conical section, and path part and large diameter portion pass through cone
Shape section transitions connect, and annular end cap 2 is fixed on the large diameter portion end of sleeve 3, and push rod 1 is same through the endoporus of annular end cap 2
Axle is arranged on the inner chamber of sleeve 3, and annular retainer 4 is sleeved on push rod 1, and annular retainer 4 is provided with multiple steel balls setting-in through hole,
Steel ball 5 is installed in steel ball setting-in through hole, spring 6 be also sleeved on push rod 1 and positioned at the retainer of steel ball 5 and annular end cap 2 it
Between, cam shaft through-hole 15 is offered on the barrel of the conical section of sleeve 3, camshaft 7 is arranged in cam shaft through-hole 15, cam
The cam portion of axle 7 is located at the top of annular retainer 4.
The push rod 1 is fitted close with the path part of the endoporus of annular end cap 2 and the inner chamber of sleeve 3.The inner chamber of sleeve 3
Path part is used for the part that do not extend out for depositing push rod 1, and large diameter portion is used to lay spring 6, and conical section is used to lay annular
Retainer 4, steel ball 5 and camshaft 7.
The outside wall surface of annular retainer 4 is the inclined-plane coordinated with the conical section of sleeve 3, and steel ball setting-in through hole is opened in
On inclined-plane.
The path part end of the sleeve 3 is provided with annular ear 11, and load cross bar 9 is provided with annular ear 11.Load
Cross bar 9 can move in annular ear 11,, can be with when telescopic support legs inconvenience is placed on the underface of equipment for some equipment
Equipment is placed on load cross bar 9, then by weight transmitting to telescopic support legs.
Also include base 10, one end that push rod 1 is located at outside sleeve 3 is fixed on base 10.Base 10 is to increase
The stability of supporting leg.
Also include 8-shaped lock washer 12 and locking nail 13, camshaft 7 is arranged on one of 8-shaped lock washer 12
Kong Zhong, another hole of locking nail 13 through 8-shaped lock washer 12 are clenched in the outside wall surface of sleeve 3.Due to cam shaft through-hole
15 shape is engaged with the cam portion on camshaft 7, be also during installation from cam shaft through-hole between insert, because
This, 8-shaped lock washer 12 is to prevent camshaft 7 from being dropped from cam shaft through-hole 15.14 be the cam part on camshaft 7
Point.
Operation principle and its process：
Spring 6 is in compressive state all the time, and the tension force of spring 6 pushes up annular retainer 4 so that the one end of steel ball 5 is supported
Firmly the conical section inwall of sleeve 3, the other end prop up the outer wall of push rod 1, the pressure applied by steel ball 5 to sleeve 3 and push rod 1
And caused frictional force keeps the fixation of sleeve 3 and the position of push rod 1.When needing to adjust elongation of the push rod 1 outside sleeve 3,
Camshaft 7 is rotated, the projection of the overhead cam of camshaft 7 turns to the place direction of annular retainer 4 and annular retainer 4 is applied
Strength so that spring 6 is further compressed, the no longer conical section inwall with sleeve 3 simultaneously of the steel ball 5 on annular retainer 4
And the outer wall of push rod 1 contacts simultaneously, push rod 1 is loosened, and push rod 1 can be both retracted to path part or the pull-out of sleeve 3
To the outside of sleeve 3.After regulation to required length, camshaft 7 is rotated so that the projection of the overhead cam of camshaft 7 recovers
Original position, the spring 6 of spring 6 are upheld so that steel ball 5 recovers simultaneously to apply the conical section inwall of sleeve 3 and the outer wall of push rod 1
Power, by the fixation of sleeve 3 and the position of push rod 1.
Claims (5)
- A kind of 1. telescopic support legs, it is characterised in that including push rod, annular end cap, sleeve, annular retainer, steel ball, spring with And camshaft,The barrel bore includes path part, large diameter portion and conical section, and path part and large diameter portion pass through tapered portion Divide transition connection, annular end cap is fixed on the large diameter portion end of sleeve, and push rod is arranged on through annular end cap female coaxial Barrel bore, annular retainer are sleeved on push rod, and annular retainer is provided with multiple steel balls setting-in through hole, steel ball setting-in through hole In steel ball is installed, spring is also sleeved on push rod and between annular retainer and annular end cap, the conical section of sleeve Barrel on offer cam shaft through-hole, camshaft is arranged in cam shaft through-hole, and the cam portion of camshaft is protected positioned at annular Hold the top of frame；The push rod is fitted close with the path part of annular end cap endoporus and barrel bore；The annular retainer outside wall surface is the inclined-plane coordinated with the conical section of sleeve, and steel ball setting-in through hole is opened in inclined-plane On.
- 2. telescopic support legs as claimed in claim 1, it is characterised in that the path part end of the sleeve is provided with annular Ear, load cross bar is installed in annular ear.
- 3. telescopic support legs as claimed in claim 1, it is characterised in that be also located at one outside sleeve including base, push rod End is fixed on base.
- 4. telescopic support legs as claimed in claim 1, it is characterised in that convex also including 8-shaped lock washer and locking nail Wheel shaft is arranged in a hole of 8-shaped lock washer, and another hole of locking nail through 8-shaped lock washer is clenched in sleeve In outside wall surface.
- 5. telescopic support legs as claimed in claim 1, it is characterised in that the cam portion band plane of described camshaft, make Used time, the plane withstood annular retainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843676.1A CN105313850B (en) | 2015-11-26 | 2015-11-26 | A kind of telescopic support legs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843676.1A CN105313850B (en) | 2015-11-26 | 2015-11-26 | A kind of telescopic support legs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105313850A CN105313850A (en) | 2016-02-10 |
| CN105313850B true CN105313850B (en) | 2018-01-19 |
Family
ID=55242448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510843676.1A Expired - Fee Related CN105313850B (en) | 2015-11-26 | 2015-11-26 | A kind of telescopic support legs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105313850B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2455525A (en) * | 1945-09-14 | 1948-12-07 | Schulz Herman | Tripod |
| CN87214367U (en) * | 1987-10-15 | 1988-07-13 | 广州机床厂 | Disengaging device for the handwheel of automatic feed mechanism on machine tools |
| US5492430A (en) * | 1994-10-14 | 1996-02-20 | Carl A. Hammoms | Telescopic tubes locking device |
| CN201241462Y (en) * | 2008-08-04 | 2009-05-20 | 南通英雄建筑安装工程有限公司 | Anti-falling device of electric elevating scaffold raising mechanism |
| CN205311571U (en) * | 2015-11-26 | 2016-06-15 | 广西银钢南益制造有限公司 | Flexible supporting leg |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPD20050381A1 (en) * | 2005-12-28 | 2007-06-29 | Lino Manfrotto & Co Spa | ADJUSTABLE TELESCOPIC SUPPORT |
-
2015
- 2015-11-26 CN CN201510843676.1A patent/CN105313850B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2455525A (en) * | 1945-09-14 | 1948-12-07 | Schulz Herman | Tripod |
| CN87214367U (en) * | 1987-10-15 | 1988-07-13 | 广州机床厂 | Disengaging device for the handwheel of automatic feed mechanism on machine tools |
| US5492430A (en) * | 1994-10-14 | 1996-02-20 | Carl A. Hammoms | Telescopic tubes locking device |
| CN201241462Y (en) * | 2008-08-04 | 2009-05-20 | 南通英雄建筑安装工程有限公司 | Anti-falling device of electric elevating scaffold raising mechanism |
| CN205311571U (en) * | 2015-11-26 | 2016-06-15 | 广西银钢南益制造有限公司 | Flexible supporting leg |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105313850A (en) | 2016-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20180119 Termination date: 20201126 |