CN203828338U - Lifting mechanism for child tables and chairs - Google Patents
Lifting mechanism for child tables and chairs Download PDFInfo
- Publication number
- CN203828338U CN203828338U CN201420243732.9U CN201420243732U CN203828338U CN 203828338 U CN203828338 U CN 203828338U CN 201420243732 U CN201420243732 U CN 201420243732U CN 203828338 U CN203828338 U CN 203828338U
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- CN
- China
- Prior art keywords
- cover body
- projection
- groove
- lifting
- spring
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- Expired - Fee Related
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Abstract
The utility model discloses a lifting mechanism for child tables and chairs. The lifting mechanism comprises a lifting tooth, covers and a spring, wherein the lifting tooth is connected into an outer lifting pipe and sleeved with the covers, and the spring is installed between the left cover and the right cover. The lifting mechanism is characterized in that a movable plate is arranged between the left cover and the right cover, the right side and the left side of the movable plate are provided with a first right protrusion and a first left protrusion, wherein the first right protrusion and the first left protrusion are symmetrically arranged, the right cover and the left cover are provided with a first right groove and a first left groove respectively, the first right protrusion and the first left protrusion can slide in the first right groove and the first left groove respectively, the left cover and the right cover are further provided with a second left groove and a second right groove respectively for containing the spring, one end of the spring is connected with a protrusion in the second left groove, and the other end of the spring is connected with the end of the movable plate. The lifting mechanism is simple in structure, easy to install, convenient to operate and not prone to damage.
Description
Technical field
The utility model relates to tables and chairs technical field, specifically refers to a kind of elevating mechanism of Children's desks and chairs.
Background technology
It is up-down desk and chair that children used more when study, because up-down desk and chair plays an important role to pre-myopia prevention and deformity of spine.In prior art, the elevating mechanism of modal up-down desk and chair mainly comprises lifting inner tube, lifting outer tube and bolt, described lifting inner tube with on lifting outer tube, be respectively equipped with the corresponding hole of a row, between two pipes, be bolted, will be fixing in bolt-inserting hole while pulling inner tube arrival desired height wherein during adjusting, this elevating mechanism regulates inconvenient and along with the tables and chairs prolongation of service time, the gap between bolt and hole increases, cause tables and chairs leg loosening, have a strong impact on the use of tables and chairs.
For addressing the above problem the patent No., be that the patent of CN203220085U discloses a kind of novel tables and chairs elevating mechanism, this elevating mechanism comprises lifting inner tube, lifting outer tube, be fixed on the lifting tooth in lifting outer tube, slip cap is combined in the fixed head on lifting tooth, in described fixed head, be provided with two symmetrical springs, one end of spring is connected to the other end on fixed head and connects on the horizontal bearing pin hanging on fixed head, in tooth contact during adjusting on bearing pin and lifting tooth the groove on fixed head, slide, this elevating mechanism complex structure although this patent has solved above-mentioned technical problem, also bad installation when mounted.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in structure, elevating mechanism easy, easy to operate, non-damageable Children's desks and chairs is installed.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of elevating mechanism of Children's desks and chairs, comprise the lifting tooth being connected in lifting outer tube, be linked in the lid on lifting tooth, described lid is connected to the bottom of lifting inner tube and is synchronized with the movement with lifting inner tube, described lid comprises left cover body and right cover body, be arranged on the spring between left cover body and right cover body, between left cover body and right cover body, be also provided with portable plate, the right side of described portable plate be provided with lifting tooth on the first right projection of being slidably matched of tooth, right cover body is provided with the first right groove that the first right projection can be slided within it, the left side of described portable plate is provided with the first left projection symmetrical with the first right projection, left cover body is provided with the first left groove that the first left projection can be slided within it, on described left cover body and right cover body, be also respectively equipped with the second left groove and the second right groove that hold spring, one end of spring is connected the other end with projection in the second left groove and is connected with the end of portable plate.
The utility model advantage is compared with prior art: elevating mechanism of the present utility model is mainly by the spring in lid and portable plate, lid to be slidably reciprocated on lifting tooth, and the utility model is simple in structure, installation is easily easy to operate, not fragile.
As improvement, the first left projection on described portable plate and the top of the first right projection are provided with symmetrical the second left projection and the second right projection, described left cover body is provided with the 3rd left groove that the second left projection can be slided within it, described right cover body is provided with the 3rd right groove that the second right projection can be slided within it, and it is more steady that this structure can make lid move on lifting tooth.
Accompanying drawing explanation
Fig. 1 is the structural representation of the elevating mechanism of a kind of Children's desks and chairs of the utility model.
Fig. 2 is the explosive view of the elevating mechanism of a kind of Children's desks and chairs of the utility model.
Fig. 3 is the structural representation of left cover body of the elevating mechanism of a kind of Children's desks and chairs of the utility model.
Fig. 4 is the structural representation of right cover body of the elevating mechanism of a kind of Children's desks and chairs of the utility model.
As shown in the figure: 1, lifting tooth, 2, lid, 2.1, left cover body, 2.11, the first left groove, the 2.12, second left groove, the 2.13, the 3rd left groove, 2.2, right cover body, the 2.21, first right groove, the 2.22, second right groove, 2.23, the 3rd right groove, 3, spring, 4, portable plate, 4.1, the first right projection, 4.2, the first left projection, the 4.3, second left projection, the 4.4, second right projection.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of elevating mechanism of Children's desks and chairs by reference to the accompanying drawings, a kind of elevating mechanism of Children's desks and chairs, comprise the lifting tooth 1 being connected in lifting outer tube, be linked in the lid 2 on lifting tooth, described lid 2 is connected to the bottom of lifting inner tube and is synchronized with the movement with lifting inner tube, described lid 2 comprises left cover body 2.1 and right cover body 2.2, be arranged on the spring 3 between left cover body 2.1 and right cover body 2.2, between left cover body 2.1 and right cover body 2.2, be also provided with portable plate 4, the right side of described portable plate 4 be provided with lifting tooth 1 on tooth be slidably matched first right protruding 4.1, right cover body 2.2 is provided with the first right protruding 4.1 first right groove 2.21 that can slide within it, the left side of described portable plate 4 is provided with and first left protruding 4.2 of the first right protruding 4.1 symmetries, left cover body 2.1 is provided with the first left protruding 4.2 first left groove 2.11 that can slide within it, on described left cover body 2.1 and right cover body 2.2, be also respectively equipped with the second left groove 2.12 and the second right groove 2.22 that hold spring 3, one end of spring 3 is connected the other end with projection in the second left groove 2.12 and is connected with the end of portable plate 4.
First left the protruding 4.1 and first right top of protruding 4.2 on described portable plate 4 is provided with second left protruding 4.3 and second right protruding 4.4 of symmetry, described left cover body 2.1 is provided with the second left protruding 4.3 the 3rd left groove 2.13 that can slide within it, and described right cover body 2.2 is provided with the second right protruding 4.4 the 3rd right groove 2.23 that can slide within it.
Operation principle of the present utility model: when mounted, spring one end is connected the other end with projection in the first left groove and is connected with the end of portable plate, the first left projection on portable plate and the first right projection are slided in the first left groove on lid and the first right groove respectively, the second left projection on portable plate and the second right projection are slided in the 3rd left groove on lid and the 3rd right groove respectively, the first right projection on portable plate and the tooth contact on lifting tooth, lid is that the first slip of right projection on tooth is also the slip of the first left groove on lid and first in fluted respectively of the first left projection on portable plate and the first right projection in the process moving up, the second left projection on portable plate and the second right projection are respectively in the 3rd left groove and the 3rd right inside slip simultaneously, when lid moves to extreme higher position, the first left projection and the first right projection are pushed to respectively the first left groove and the first reeded bottommost, now lid can move downward, when lid moves to extreme lower position, the first left projection and the first right projection are pushed to the top of the first left groove and the first right groove.
The elevating mechanism of tables and chairs also comprises lifting inner tube and lifting outer tube, lifting inner tube is connected with lid and is synchronized with the movement lifting inner tube can be slided up and down on lifting tooth with lid, lifting tooth is to be fixedly mounted in lifting outer tube, and the Connection Block by lifting tooth lower end is connected with lifting outer tube.
Above the utility model and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiment of the present utility model, and actual structure is not limited to this.If generally speaking those of ordinary skill in the art is enlightened by it, in the situation that not departing from the utility model creation aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection domain of the present utility model.
Claims (2)
1. the elevating mechanism of a Children's desks and chairs, comprise the lifting tooth (1) being connected in lifting outer tube, be linked in the lid (2) on lifting tooth, described lid (2) is connected to the bottom of lifting inner tube and is synchronized with the movement with lifting inner tube, described lid (2) comprises left cover body (2.1) and right cover body (2.2), be arranged on the spring (3) between left cover body (2.1) and right cover body (2.2), it is characterized in that: between left cover body (2.1) and right cover body (2.2), be also provided with portable plate (4), the right side of described portable plate (4) be provided with lifting tooth (1) on the first right projection (4.1) of being slidably matched of tooth, right cover body (2.2) is provided with the first right groove (2.21) that the first right projection (4.1) can be slided within it, the left side of described portable plate (4) is provided with the first left projection (4.2) symmetrical with the first right projection (4.1), left cover body (2.1) is provided with the first left groove (2.11) that the first left projection (4.2) can be slided within it, on described left cover body (2.1) and right cover body (2.2), be also respectively equipped with the second left groove (2.12) and the second right groove (2.22) that hold spring (3), one end of spring (3) projection interior with the second left groove (2.12) is connected the other end and is connected with the end of portable plate (4).
2. the elevating mechanism of Children's desks and chairs according to claim 1, it is characterized in that: the first left projection (4.1) on described portable plate (4) and the top of the first right projection (4.2) are provided with symmetrical the second left projection (4.3) and the second right projection (4.4), described left cover body (2.1) is provided with the 3rd left groove (2.13) that the second left projection (4.3) can be slided within it, and described right cover body (2.2) is provided with the 3rd right groove (2.23) that the second right projection (4.4) can be slided within it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243732.9U CN203828338U (en) | 2014-05-13 | 2014-05-13 | Lifting mechanism for child tables and chairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243732.9U CN203828338U (en) | 2014-05-13 | 2014-05-13 | Lifting mechanism for child tables and chairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203828338U true CN203828338U (en) | 2014-09-17 |
Family
ID=51506239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243732.9U Expired - Fee Related CN203828338U (en) | 2014-05-13 | 2014-05-13 | Lifting mechanism for child tables and chairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203828338U (en) |
-
2014
- 2014-05-13 CN CN201420243732.9U patent/CN203828338U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180513 |