CN202220414U - Extraction type overlap joint stair tread board - Google Patents
Extraction type overlap joint stair tread board Download PDFInfo
- Publication number
- CN202220414U CN202220414U CN2011202715566U CN201120271556U CN202220414U CN 202220414 U CN202220414 U CN 202220414U CN 2011202715566 U CN2011202715566 U CN 2011202715566U CN 201120271556 U CN201120271556 U CN 201120271556U CN 202220414 U CN202220414 U CN 202220414U
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- CN
- China
- Prior art keywords
- overlap joint
- side plate
- central layer
- type overlap
- end plate
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- Expired - Fee Related
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Abstract
An extraction type overlap joint stair tread board belongs to the field of stair tread boards and comprises a core board, an inner side board and two end boards. Protruded blocks are arranged on two sides and at the bottom the core board, the protruded blocks and the core board form L shapes, reversed L-shaped grooves are positioned on one sides of the inner side board and the end boards, the groove are matched with the protruded blocks, tenons are positioned at two ends of the inner side board, one ends of the end boards are provided with mortises, the tenons are respectively in joggled joint with the mortises of the end boards to form a C-shaped framework, the core board is clamped in the framework, lock blocks are fixed at the other ends of the end boards, and the lock blocks are provided with notches which are identical with the grooves. The extraction type overlap joint stair tread board has the advantages of being simple in structure and convenient to dismount and replace.
Description
Technical field
The utility model relates to the broadstep field, especially relates to a kind of pull-out type overlap joint tread.
Background technology
At present, often cover one deck broadstep on stair or the step, can revise stairway step or increase attractive in appearance.Broadstep mostly uses firm wear-resisting and have a pleasing precious wood of outward appearance; But in use, broadstep wearing and tearing still can occur or damage, or because of weather former thereby cracking; Change broadstep like this and just bother very much, therefore a kind of appearance of removable broadstep is necessary.
Summary of the invention
In order to overcome existing shortcoming, the purpose of the utility model provides a kind of simple in structure, is convenient to a kind of pull-out type overlap joint tread of dismounting and change.
The technical problem that the utility model solved adopts following technical scheme to realize:
A kind of pull-out type overlap joint tread; Comprise central layer, interior side plate and end plate, three limits of said central layer bottom surface formation lower protruding block that all stretches out, said in the upper surface of side plate and the said end plate formation upper protruding block that also all stretches out; The two ends of side plate also are provided with outward extending tenon in said; One end of said end plate is provided with the mortise that is complementary with said tenon, said on the side plate two ends said tenon respectively with two said end plates on said mortise joggle mutually, to form " C " shape framework; Said central layer is placed in the said framework, also is provided with a circular lock dog at the other end of said end plate.
The other end at said end plate also is fixed with a lock dog, is provided with a breach at said lock dog, and said breach is identical with said groove.
Being 90 degree joggles between side plate and the said end plate in said, is 45 degree joggles between said interior side plate and the said end plate.
The beneficial effect of the utility model is simple in structure, is convenient to dismounting and change.
Description of drawings
Fig. 1 is the utility model: the overall structure sketch map of a kind of pull-out type overlap joint tread embodiment 1;
Fig. 2 is the utility model: the overall structure sketch map of a kind of pull-out type overlap joint tread embodiment 2.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Embodiment 1, and with reference to shown in Figure 1, it is the technical scheme of 90 degree joggle joggles with end plate 3 that present embodiment has proposed interior side plate 2.A kind of pull-out type overlap joint tread in the present embodiment; Comprise central layer 1, interior side plate 2 and two end plates 3; Both sides and bottom surface at said central layer 1 are provided with prominent piece 4; Side plate 2 offers inverted "L" shaped groove 5 on one side with said end plate 4 in said, and said groove 5 is complementary with said prominent piece 4 so that said central layer 1 be placed in said between side plate 2 and the two said end plates 3.The two ends of interior side plate 2 are provided with tenon 8, and an end of end plate 3 is provided with mortise 9, tenon 8 respectively with mortise 9 joggles of two end plates 3, to form " C " shape framework, central layer 1 is placed in the framework.
The other end at said end plate 2 also is fixed with a lock dog 6, is provided with a breach at said lock dog 6, and said breach 7 is identical with said groove 5.When the prominent piece 4 of central layer 1 places in the groove 5 fully, rotation lock dog 6, central layer just can not skid off in groove 5 like this; When needing to change central layer 1, rotation lock dog 6 makes breach 7 parallel with groove 5, and central layer 1 just can be pulled out in groove 5 easily.
The other end at said end plate 2 also is fixed with a lock dog 6, is provided with a breach at said lock dog 6, and said breach 7 is identical with said groove 5.When the prominent piece 4 of central layer 1 places in the groove 5 fully, rotation lock dog 6, central layer just can not skid off in groove 5 like this; When needing to change central layer 1, rotation lock dog 6 makes breach 7 parallel with groove 5, and central layer 1 just can be pulled out in groove 5 easily.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the manual that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (4)
1. a pull-out type overlaps tread; Comprise central layer, interior side plate and end plate, it is characterized in that: three limits of said central layer bottom surface formation lower protruding block that all stretches out, said in the upper surface of side plate and the said end plate formation upper protruding block that also all stretches out; The two ends of side plate also are provided with outward extending tenon in said; One end of said end plate is provided with the mortise that is complementary with said tenon, said on the side plate two ends said tenon respectively with two said end plates on said mortise joggle mutually, to form " C " shape framework; Said central layer is placed in the said framework, also is provided with a circular lock dog at the other end of said end plate.
2. a kind of pull-out type overlap joint tread according to claim 1, it is characterized in that: on said lock dog, be provided with a breach, said breach is identical with said groove.
3. a kind of pull-out type overlap joint tread according to claim 1 is characterized in that: be 90 degree joggles between side plate and the said end plate in said.
4. a kind of pull-out type overlap joint tread according to claim 1 is characterized in that: be 45 degree joggles between side plate and the said end plate in said.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202715566U CN202220414U (en) | 2011-07-27 | 2011-07-27 | Extraction type overlap joint stair tread board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202715566U CN202220414U (en) | 2011-07-27 | 2011-07-27 | Extraction type overlap joint stair tread board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202220414U true CN202220414U (en) | 2012-05-16 |
Family
ID=46042442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202715566U Expired - Fee Related CN202220414U (en) | 2011-07-27 | 2011-07-27 | Extraction type overlap joint stair tread board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202220414U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298042A (en) * | 2015-10-26 | 2016-02-03 | 丹阳市吉茂机械工具厂 | Floor tread frame |
| CN107224081A (en) * | 2016-03-24 | 2017-10-03 | 戴森技术有限公司 | A kind of annex for hand-held instruments |
-
2011
- 2011-07-27 CN CN2011202715566U patent/CN202220414U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298042A (en) * | 2015-10-26 | 2016-02-03 | 丹阳市吉茂机械工具厂 | Floor tread frame |
| CN107224081A (en) * | 2016-03-24 | 2017-10-03 | 戴森技术有限公司 | A kind of annex for hand-held instruments |
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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: 20120516 Termination date: 20170727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |