CN201953764U - Screw rod and children products provided with same - Google Patents
Screw rod and children products provided with same Download PDFInfo
- Publication number
- CN201953764U CN201953764U CN201120000946XU CN201120000946U CN201953764U CN 201953764 U CN201953764 U CN 201953764U CN 201120000946X U CN201120000946X U CN 201120000946XU CN 201120000946 U CN201120000946 U CN 201120000946U CN 201953764 U CN201953764 U CN 201953764U
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- CN
- China
- Prior art keywords
- rod member
- lock pin
- screw rod
- locking framework
- rod piece
- 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
Links
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model disclose a screw rod and children products provided with the same; the screw rod comprises a first rod piece and a second rod piece, wherein the first rod piece is provided with an outer threaded section at one end part; the second rod piece is provided with an inner threaded section at one end part; outer threads are arranged on the outer threaded section; the inner threaded section is provided with an inner tube cavity and inner threads positioned in the inner tube cavity; the outer threaded section is matched with the inner threaded section; a locking mechanism is arranged between the first rod piece and the second rod piece; when the locking mechanism is positioned at a locking position, the first rod piece and the second rod piece are fixedly and relatively connected; and when locking mechanism is positioned at an unlocked position, the outer threaded section and the inner threaded section are connected in a rotating manner. The locking mechanism is positioned at the locking position, the first rod piece or the second rod piece is rotated, the other rotates along with, and the first rod piece and the second rod piece form a relative fixed whole body, and when the locking mechanism is positioned at the unlocked position, the first rod piece and the second rod piece can extend or extract relative to each other, and can also be detached, so that the use is convenient, and the structure is simple.
Description
Technical field
The articles for children that the utility model relates to a kind of screw rod and has this screw rod.
Background technique
Screw rod of the prior art, comprise that an end has second rod member that first rod member of external thread section, an end have internal thread segment, has outside thread on the described external thread section, have interior tube chamber on the described internal thread segment and be positioned at described intraluminal internal thread, described external thread section matches with described internal thread segment, when rotating described second rod member relative to described first rod member, first rod member does not rotate with second rod member, thereby the entire length of the win rod member and second rod member is elongated or shortened.
The model utility content
A technical problem to be solved in the utility model provides a kind of screw rod.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of screw rod, comprise that an end has first rod member of external thread section, one end has second rod member of internal thread segment, has outside thread on the described external thread section, have interior tube chamber on the described internal thread segment and be positioned at described intraluminal internal thread, described external thread section matches with described internal thread segment, be provided with locking framework between described first rod member and described second rod member, described locking framework has locked position and unlocked position, when described locking framework is positioned under the locked position, described first rod member is connected with described second rod member relative fixed ground, when described locking framework is positioned under the unlocked position, described external thread section is connected rotatedly with described internal thread segment.
In some embodiments, described locking framework comprises the locked groove with opening that is opened on the described external thread section, is arranged at lock pin on described second rod member slidably, described lock pin is positioned at described tube chamber, when described locking framework is positioned under the locked position, described lock pin is inserted in the described locked groove, when described locking framework is positioned under the unlocked position, described lock pin and described locked groove are separated.
In some further mode of execution, described lock pin is slidingly arranged on described second rod member along the length direction of described second rod member.
In some further again mode of execution, offer the guiding groove of length direction on described second rod member along the length direction extension of described second rod member, described lock pin is arranged in the described guiding groove slidably.
Further in the mode of execution, described second its length direction of rod member upper edge is arranged with operation piece slidably at some, and described lock pin and described operation piece are provided with permanently.Be convenient to operation.
In some another further mode of execution, described locking framework also comprises makes described locking framework stably be positioned at the elastic component under the locked position, and described elastic component is arranged between described second rod member and the described lock pin.
Again in the further mode of execution, the opening of described locked groove has is convenient to the guide surface that described lock pin inserts described locked groove at some.Be convenient to locking.
Another technical problem to be solved in the utility model provides a kind of articles for children.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of articles for children that comprise above any described screw rod of technological scheme, described articles for children are a kind of in children trolley, children dinning chair, Children, the children seat.
Scope of the present utility model is not limited to the technological scheme that the particular combinations of above-mentioned technical characteristics forms, and also should contain simultaneously by above-mentioned technical characteristics or its equivalent feature to carry out combination in any and other technological scheme of forming.The technical characteristics that disclosed (but being not limited to) has a similar functions among for example above-mentioned feature and the application is replaced mutually and technological scheme of forming etc.
Because technique scheme utilization, the utility model compared with prior art has following advantage: locking framework is positioned under the locked position, rotate first rod member or second rod member, another and then rotates together, and first rod member and second rod member form a relatively-stationary integral body, when locking framework is in the unlocked position down, can elongate or shorten between first rod member and second rod member, can also take apart, easy to use, and simple in structure.
Description of drawings
Accompanying drawing 1 is the exploded view of screw rod;
Accompanying drawing 2 is the plan view of screw rod;
Accompanying drawing 3 is the A-A place sectional view of accompanying drawing 2.
Wherein: 1, external thread section; 2, first rod member; 3, second rod member; 4, locked groove; 5, lock pin; 6, guiding groove; 7, operation piece; 8, elastic component; 9, guide surface.
Embodiment
Shown in accompanying drawing 1-accompanying drawing 3, a kind of screw rod, comprise that an end has first rod member 2 of external thread section 1, one end has second rod member 3 of internal thread segment, has outside thread on the described external thread section 1, have interior tube chamber on the described internal thread segment and be positioned at described intraluminal internal thread, described external thread section 1 matches with described internal thread segment, be provided with locking framework between described first rod member 2 and described second rod member 3, described locking framework has locked position and unlocked position, when described locking framework is positioned under the locked position, described first rod member 2 is connected with described second rod member, 3 relative fixed ground, when described locking framework is positioned under the unlocked position, described external thread section 1 is connected rotatedly with described internal thread segment.
Shown in accompanying drawing 1, accompanying drawing 3, described locking framework comprises the locked groove with opening 4 that is opened on the described external thread section 1, is arranged at lock pin 5 on described second rod member 3 slidably, described lock pin 5 is positioned at described tube chamber, when described locking framework is positioned under the locked position, described lock pin 5 is inserted in the described locked groove 4, when described locking framework is positioned under the unlocked position, described lock pin 5 is separated with described locked groove 4.
As shown in Figure 1, described lock pin 5 is slidingly arranged on described second rod member 3 along the length direction of described second rod member 3, offer the guiding groove 6 of length direction along the length direction extension of described second rod member 3 on described second rod member 3, described lock pin 5 is arranged in the described guiding groove 6 slidably.
Shown in each accompanying drawing, its length direction of described second rod member 3 upper edges is arranged with operation piece 7 slidably, and described lock pin 5 is provided with permanently with described operation piece 7.
Shown in accompanying drawing 1, accompanying drawing 3, described locking framework also comprises makes described locking framework stably be positioned at the elastic component 8 under the locked position, and described elastic component 8 is arranged between described second rod member 3 and the described lock pin 5.
As shown in Figure 1, the opening of described locked groove 4 has the guide surface 9 of being convenient to the described locked groove 4 of described lock pin 5 insertions.
There is not diagram, a kind of articles for children with above-mentioned screw rod, described articles for children are of a great variety, as children trolley, children dinning chair, Children, children seat etc.
Operating process: locked position is converted in the process of unlocked position, overcome the elastic force of elastic component 8, slide spare 7, thus lock pin 5 moves with operation piece 7 and breaks away from described locked groove 4, and this moment, first rod member 2 and second rod member 3 can relatively rotate by internal thread and outside thread; Unlocked position is converted in the locked position process, releasing operation spare 7, and the resilient force of elastic component 8 is on lock pin 5, make lock pin 5 move towards locked groove 4 directions, under the effect of guide surface 9, lock pin 5 slips in the locked groove 4, the locking framework locking, first rod member 2 and second rod member 3 can not rotate.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (8)
1. screw rod, comprise that an end has first rod member (2) of external thread section (1), one end has second rod member (3) of internal thread segment, described external thread section has outside thread on (1), have interior tube chamber on the described internal thread segment and be positioned at described intraluminal internal thread, described external thread section (1) matches with described internal thread segment, it is characterized in that: be provided with locking framework between described first rod member (2) and described second rod member (3), described locking framework has locked position and unlocked position, when described locking framework is positioned under the locked position, described first rod member (2) is connected with described second rod member (3) relative fixed ground, when described locking framework is positioned under the unlocked position, described external thread section (1) is connected rotatedly with described internal thread segment.
2. screw rod according to claim 1, it is characterized in that: described locking framework comprises the locked groove with opening (4) that is opened on the described external thread section (1), is arranged at lock pin (5) on described second rod member (3) slidably, described lock pin (5) is positioned at described tube chamber, when described locking framework is positioned under the locked position, described lock pin (5) is inserted in the described locked groove (4), when described locking framework is positioned under the unlocked position, described lock pin (5) is separated with described locked groove (4).
3. screw rod according to claim 2 is characterized in that: described lock pin (5) is slidingly arranged on described second rod member (3) along the length direction of described second rod member (3).
4. screw rod according to claim 3, it is characterized in that: offer the guiding groove (6) of length direction along the length direction extension of described second rod member (3) on described second rod member (3), described lock pin (5) is arranged in the described guiding groove (6) slidably.
5. screw rod according to claim 4 is characterized in that: its length direction of described second rod member (3) upper edge is arranged with operation piece (7) slidably, and described lock pin (5) is provided with permanently with described operation piece (7).
6. screw rod according to claim 2, it is characterized in that: described locking framework also comprises makes described locking framework stably be positioned at the elastic component (8) under the locked position, and described elastic component (8) is arranged between described second rod member (3) and the described lock pin (5).
7. screw rod according to claim 2 is characterized in that: the opening of described locked groove (4) has is convenient to the guide surface (9) that described lock pin (5) inserts described locked groove (4).
8. articles for children that comprise above any described screw rod of claim is characterized in that: described articles for children are a kind of in children trolley, children dinning chair, Children, the children seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120000946XU CN201953764U (en) | 2011-01-04 | 2011-01-04 | Screw rod and children products provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120000946XU CN201953764U (en) | 2011-01-04 | 2011-01-04 | Screw rod and children products provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201953764U true CN201953764U (en) | 2011-08-31 |
Family
ID=44497876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120000946XU Expired - Fee Related CN201953764U (en) | 2011-01-04 | 2011-01-04 | Screw rod and children products provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201953764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015228A (en) * | 2016-07-29 | 2016-10-12 | 苏州高通机械科技有限公司 | Connecting piece for connecting cylinders |
| CN106320806A (en) * | 2016-10-26 | 2017-01-11 | 南京际华三五二特种装备有限公司 | Foldable tent cross bar structure |
-
2011
- 2011-01-04 CN CN201120000946XU patent/CN201953764U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015228A (en) * | 2016-07-29 | 2016-10-12 | 苏州高通机械科技有限公司 | Connecting piece for connecting cylinders |
| CN106320806A (en) * | 2016-10-26 | 2017-01-11 | 南京际华三五二特种装备有限公司 | Foldable tent cross bar structure |
| CN106320806B (en) * | 2016-10-26 | 2018-11-16 | 南京际华三五二一特种装备有限公司 | A kind of foldable tent bar structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20200104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |