CN206723247U - A kind of turning type telescopic positioning joint - Google Patents
A kind of turning type telescopic positioning joint Download PDFInfo
- Publication number
- CN206723247U CN206723247U CN201720425562.XU CN201720425562U CN206723247U CN 206723247 U CN206723247 U CN 206723247U CN 201720425562 U CN201720425562 U CN 201720425562U CN 206723247 U CN206723247 U CN 206723247U
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- China
- Prior art keywords
- hole
- manhole
- rotating member
- locking positioning
- fixture
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Abstract
The utility model discloses a kind of turning type telescopic positioning joint, including the first rotating member, the second rotating member, locking positioning post, fixture, one end of first rotating member is provided with the first manhole, first manhole is the through hole of a variable diameters, first manhole includes upper through hole and lower through-hole, and the diameter of the upper through hole is less than the diameter of lower through-hole；One end of fixture is axially arranged with a blind round hole, one end of the locking positioning post can be in mating connection with the upper through hole of the first manhole, the other end of locking positioning post can be in mating connection with blind round hole, the inwall of the upper through hole and blind round hole of first manhole is equipped with the first internal thread of vertical direction, the outer wall of locking positioning post is provided with the first external screw thread of vertical direction, and the first internal thread and the first external screw thread are intermeshed；The utility model using parts are few, scientific structure design is reasonable, assembling is simple and assembly parts between leave no gaps, flexible rotation, locking positioning is firm.
Description
Technical field
The utility model belongs to daily life field, and in particular to a kind of turning type telescopic positioning joint.
Background technology
In daily life, there are many products under its non-working condition, it is necessary to be carried out collapsible, to subtract
Few space that it is occupied, is so advantageous to placement, packaging and the transport of product.And work as it in a state of use, needing again will production
Product are opened and it is fixed into definite shape.Such as deform flexible wheelchair, folding bicycle, type variable telescopic spring perambulator.This
A little the flexible of product close up and open and be fixed into definite shape, and generally use is rotary positioning joint.Existing rotation
Parts needed for rotatable positioning joint are more, and structure is also more complicated, and assembling is relatively cumbersome, and cost of manufacture is higher, or even also exists
Locking positioning is not firm and the thin frangibility of connector wall and assembling conform to and produce the defects of gap is big using pressing between part.
The content of the invention
For in the prior art the defects of, the utility model aims to provide that a kind of rotary extension is flexible, locking positioning is firm
Turning type telescopic positioning joint.
A kind of turning type telescopic positioning joint, including the first rotating member, the second rotating member, locking positioning post, fixation
Part, one end of the first rotating member are provided with the first manhole, and first manhole is the through hole of a variable diameters, and first
Manhole includes upper through hole and lower through-hole, and the diameter of the upper through hole is less than the diameter of lower through-hole；
One end of the fixture is axially arranged with a blind round hole, one end and the first manhole of the locking positioning post
Upper through hole can be in mating connection, the other end and the blind round hole of locking positioning post can be in mating connection, the first manhole
The inwall of upper through hole and blind round hole is equipped with the first internal thread of vertical direction, and the outer wall of locking positioning post is provided with vertical direction
The first external screw thread, first internal thread and the first external screw thread intermeshing；
The axial height of the locking positioning post is more than the hole depth of the first manhole and the hole depth sum of blind round hole；
A spring, the spring and locking positioning post, the first circle are axially arranged between fixture and the locking positioning post
Shape through hole, blind round hole are located at same axis；
One end of second rotating member is provided with the second manhole, and the second manhole is with fixture without circular blind
The one end in hole is mutually fixed；
The inwall of the lower through-hole is provided with the second internal thread of horizontal direction, and the fixture is provided with one end of blind round hole
Outer wall be provided with the second external screw thread, the second internal thread and the second external screw thread intermeshing, the fixture is provided with circular blind
The lower through-hole of the one end in hole and the first manhole can be in mating connection.
Further, first rotating member includes a bar shape, and one end of the bar shape is semi circular surface, and described
One manhole is arranged on one end that the first rotating member carries semi circular surface.
Further, the end face of one end that first rotating member is not provided with the first manhole is opened provided with bar shaped
Mouthful.
Further, first rotating member includes upper cover body and lower cover, and the lower cover includes the first Rectangular shell
Body, one end of first rectangular housing are provided with the first semicircle orifice, and the upper cover body includes the second rectangular housing, second square
One end of shape housing is semi circular surface, and the upper through hole of first manhole is arranged on the second rectangular housing carries semi circular surface one
End, the bottom of one end of the semi circular surface of the second rectangular housing are provided with a second raised semicircle orifice, second semicircle orifice and the
One semicircle orifice forms the lower through-hole of the first manhole.
Further, first rectangular housing and the second rectangular housing are hollow, the first rectangular housing and the second square
Shape housing forms strip gab.
Compared with prior art, the utility model has following technique effect：
(1) the utility model is using parts are few, scientific structure design is reasonable, assembling is simple and assembly parts between do not stay seam
Gap, flexible rotation, locking positioning are firm；
(2) the utility model produces good elastic force using the elastic force of spring, realizes the flexible work(of the first rotating member
Energy；
(3) outer wall of the lower through-hole inwall on the first rotating member of the present utility model and fixture passes through in horizontal direction
Screw thread be meshed, realize the rotation of the first rotating member in the horizontal direction.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is original state structural representation when spring is uncompressed in the utility model；
Structural representation when Fig. 3 is spring-compressed in the utility model；
Fig. 4 is the structural representation of upper cover body in the utility model；
Fig. 5 is the structural representation of lower cover in the utility model；
Label is represented as in figure：1-the first manhole；2-upper cover body；3-spring；4-lower cover；5-fixture；
6-the second external screw thread；7-the second circular through holes；8-the second rotating member；9-be locked post：10-the first rotating member；
11-strip gab.
Embodiment
Turning type telescopic positioning joint of the present utility model is by fixing the second rotating member 8, and in the first rotating member
Installation needs the component rotated, such as the wheel of wheelchair in 10 upper cover body 2, to realize the Telescopic rotating of wheelchair.
Below by drawings and examples, the utility model is described in further detail.
Embodiment 1
A kind of turning type telescopic positioning joint is present embodiments provided, as shown in figure 1, including the first rotating member 10,
Two rotating members 8, locking positioning post 9, fixture 5, one end of the first rotating member 10 is provided with the first manhole 1, described
First manhole 1 is the through hole of a variable diameters, and the first manhole 1 includes upper through hole and lower through-hole, the upper through hole it is straight
Footpath is less than the diameter of lower through-hole；
One end of the fixture 5 is axially arranged with a blind round hole, and one end of the locking positioning post 9 is circular logical with first
The upper through hole in hole 1 can be in mating connection, and the other end and the blind round hole of locking positioning post 9 can be in mating connection, and first is circular logical
The inwall of the upper through hole and blind round hole in hole 1 is equipped with the first internal thread of vertical direction, and the outer wall of locking positioning post 9, which is provided with, to be erected
Nogata to the first external screw thread, first internal thread and the first external screw thread intermeshing；
The axial height of the locking positioning post 9 is less than the hole depth of the first manhole 1 and the hole depth sum of blind round hole；
It is axially arranged with a spring 3 between the fixture 5 and locking positioning post 9, the spring 3 and locking positioning post 9, the
One manhole 7, blind round hole are located at same axis；
One end of second rotating member 8 is provided with the second manhole 7, and the second manhole 7 is not justified with fixture 5
One end of shape blind hole is mutually fixed；
The inwall of the lower through-hole is provided with the second internal thread of horizontal direction, and the fixture 5 is provided with the one of blind round hole
The outer wall at end is provided with the second external screw thread, the second internal thread and the second external screw thread intermeshing, and the fixture 5 is provided with circle
The lower through-hole of one end of blind hole and the first manhole 1 can be in mating connection.
Under original state, such as Fig. 2, one end of locking positioning post 9 is embedded in the upper through hole of the first manhole 1, and locking is fixed
In the other end insertion blind round hole of position post 9, because the inwall of upper through hole and the inwall of blind round hole are designed with vertical direction
First internal thread, the outer wall of locking positioning post 9 are provided with the first external screw thread of vertical direction, so the first rotating member 10, locking
Locating dowel 9 and fixture 5 can only in the vertical direction relatively move, can not relatively rotate in the horizontal direction；
When vertical direction presses locking positioning post 9, such as Fig. 3, locking positioning post 9 applies downward pressure, bullet to spring 3
Spring 3 is shunk, and locking positioning post 9 is moved to the bottom of blind round hole, because the axial height of locking positioning post 9 is less than first
The hole depth of manhole 1 and the hole depth sum of blind round hole, the upper end of fixture 5 are just embedded under the first manhole 1
In through hole, the inside of lower through-hole is provided with the second internal thread of horizontal direction, and is mutually nibbled with the second external screw thread of the upper end of fixture 5
Close, then lower through-hole can opposed fixed member 5 rotated in the horizontal direction, and because lower through-hole be arranged on the first rotating member 10
On, the second rotating member 8 is fixed on the bottom of fixture 5, then realizes the first rotating member 10 relative to the second rotation
The rotation of component 8.
Embodiment 2
In order that the first rotating member is more smooth when rotating, the present embodiment is on the basis of embodiment 1, first rotation
Turning component 10 includes a bar shape, and one end of the bar shape is semi circular surface, and first manhole 1 is arranged on the first rotation
Component 10 carries one end of semi circular surface.
Embodiment 3
For the present embodiment on the basis of embodiment 1 or 2, first rotating member 10 is not provided with the first manhole 1
The end face of one end be provided with strip gab, the strip gab is used to facilitating connecting power device, and power set can be the
One rotating member 1 provides the power of rotation.
Embodiment 4
Power is provided for the first rotating member for convenience, the present embodiment revolves on the basis of embodiment 3 by described first
Turn component 10 to divide for upper cover body 2 and lower cover 4, such as Fig. 4, the lower cover 4 includes the first rectangular housing, first rectangle
One end of housing is provided with the first semicircle orifice, such as Fig. 5, and the upper cover body 2 includes the second rectangular housing, second rectangular housing
One end is semi circular surface, and the upper through hole of first manhole 1 is arranged on one end that the second rectangular housing carries semi circular surface, second
The bottom of one end of the semi circular surface of rectangular housing is provided with a second raised semicircle orifice, second semicircle orifice and the first semicircle orifice
Form the lower through-hole of the first manhole 1.First rectangular housing and the second rectangular housing are hollow, the first rectangular housing
Strip gab is formed with the second rectangular housing.
Claims (5)
- A kind of 1. turning type telescopic positioning joint, it is characterised in that including the first rotating member (10), the second rotating member (8), Locking positioning post (9), fixture (5), one end of the first rotating member (10) are provided with the first manhole (1), and described first Manhole (1) is the through hole of a variable diameters, and the first manhole (1) includes upper through hole and lower through-hole, the upper through hole it is straight Footpath is less than the diameter of lower through-hole；One end of the fixture (5) is axially arranged with a blind round hole, and one end of the locking positioning post (9) is circular logical with first The upper through hole in hole (1) can be in mating connection, and the other end and the blind round hole of locking positioning post (9) can be in mating connection, the first circle The inwall of the upper through hole and blind round hole of shape through hole (1) is equipped with the first internal thread of vertical direction, locking positioning post (9) it is outer Wall is provided with the first external screw thread of vertical direction, the first internal thread and the first external screw thread intermeshing；The axial height of the locking positioning post (9) is more than the hole depth of the first manhole (1) and the hole depth sum of blind round hole；A spring (3), the spring (3) and locking positioning post are axially arranged between the fixture (5) and locking positioning post (9) (9), the first manhole (1), blind round hole are located at same axis；One end of second rotating member (8) is provided with the second manhole (7), and the second manhole (7) does not have with fixture (5) The one end for having blind round hole is mutually fixed；The inwall of the lower through-hole is provided with the second internal thread of horizontal direction, and the fixture (5) is provided with one end of blind round hole Outer wall be provided with the second external screw thread, the second internal thread and the second external screw thread intermeshing, the fixture (5) is provided with circle The lower through-hole of one end of blind hole and the first manhole (1) can be in mating connection.
- 2. turning type telescopic positioning joint as claimed in claim 1, it is characterised in that first rotating member (10) includes One bar shape, one end of the bar shape is semi circular surface, and first manhole (1) is arranged on the first rotating member (10) band There is one end of semi circular surface.
- 3. turning type telescopic positioning joint as claimed in claim 1 or 2, it is characterised in that first rotating member (10) The end face for being not provided with one end of the first manhole (1) is provided with strip gab (11).
- 4. turning type telescopic positioning joint as claimed in claim 3, it is characterised in that first rotating member (10) includes Upper cover body (2) and lower cover (4), the lower cover (4) include the first rectangular housing, and one end of first rectangular housing is provided with First semicircle orifice, the upper cover body (2) include the second rectangular housing, and one end of second rectangular housing is semi circular surface, described The upper through hole of first manhole (1) is arranged on one end that the second rectangular housing carries semi circular surface, the semicircle of the second rectangular housing The bottom of the one end in face is provided with a second raised semicircle orifice, and it is circular logical that second semicircle orifice and the first semicircle orifice form first The lower through-hole in hole (1).
- 5. turning type telescopic positioning joint as claimed in claim 4, it is characterised in that first rectangular housing and the second square Shape housing is hollow, and the first rectangular housing and the second rectangular housing form strip gab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425562.XU CN206723247U (en) | 2017-04-21 | 2017-04-21 | A kind of turning type telescopic positioning joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425562.XU CN206723247U (en) | 2017-04-21 | 2017-04-21 | A kind of turning type telescopic positioning joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723247U true CN206723247U (en) | 2017-12-08 |
Family
ID=60506474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720425562.XU Expired - Fee Related CN206723247U (en) | 2017-04-21 | 2017-04-21 | A kind of turning type telescopic positioning joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206723247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575167A (en) * | 2019-09-16 | 2019-12-17 | 北京工业大学 | Flexible abdominal ruler for measuring electrode distance |
-
2017
- 2017-04-21 CN CN201720425562.XU patent/CN206723247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110575167A (en) * | 2019-09-16 | 2019-12-17 | 北京工业大学 | Flexible abdominal ruler for measuring electrode distance |
| CN110575167B (en) * | 2019-09-16 | 2022-05-03 | 北京工业大学 | Flexible abdominal ruler for measuring electrode distance |
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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: 20171208 Termination date: 20180421 |