CN220734859U - Furniture adjusting foot structure beneficial to production demolding - Google Patents
Furniture adjusting foot structure beneficial to production demolding Download PDFInfo
- Publication number
- CN220734859U CN220734859U CN202322164787.2U CN202322164787U CN220734859U CN 220734859 U CN220734859 U CN 220734859U CN 202322164787 U CN202322164787 U CN 202322164787U CN 220734859 U CN220734859 U CN 220734859U
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- Prior art keywords
- screw rod
- outer screw
- rod assembly
- furniture
- inner cavity
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 230000009286 beneficial effect Effects 0.000 title abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims 6
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Legs For Furniture In General (AREA)
Abstract
The utility model relates to a furniture adjusting foot structure beneficial to production demoulding, which comprises an outer screw rod assembly and an inner screw rod assembly which are connected together through threads, and is characterized in that the outer screw rod assembly is provided with an inner cavity penetrating from the upper end to the lower end, the upper end or the middle part or the lower end of the inner cavity is provided with a sealing end reinforcing part, and the cavity wall of the inner cavity close to the sealing end reinforcing part is also provided with an air hole penetrating to the outer side wall of the outer screw rod assembly. The utility model can prevent the vacuum phenomenon from occurring between the inner cavity of the outer screw rod assembly and the male die, so that the internal and external air pressures of the outer screw rod assembly are kept balanced, the demolding is easier, the sinking and deformation are avoided, the yield of products is improved, the screwing-in and the screwing-out of the outer screw rod assembly can be kept smooth, and the adjusting efficiency is improved.
Description
Technical Field
The utility model relates to the field of furniture accessories, in particular to a furniture supporting leg structure.
Background
The Chinese patent literature discloses a technical scheme with the patent application number of 202222918277.5 and the name of an adjustable supporting leg structure for a bedstead, wherein one end of the supporting leg of the scheme is provided with a blocking reinforcing part, and the other end of the supporting leg is also provided with an inner cavity arranged along the length direction of the supporting leg. Although the structural strength of the end part of the supporting leg can be enhanced by arranging the end-capped reinforcing part, the scheme is easy to have the following problems in the actual production, manufacture and use process:
first, during manufacturing, a set of female mold and a male mold are generally needed for the supporting leg, the female mold is responsible for forming the periphery of the supporting leg, and the male mold is responsible for forming the inner cavity. In the production process, because the end-capped reinforcing part is arranged at one end of the supporting leg, the whole supporting leg is tightly sleeved at the outer end of the male die and integrally arranged, and because no ventilation structure exists between the supporting leg and the male die, no air intervention exists between the inner cavity of the supporting leg and the male die, so that the vacuum phenomenon occurs, the internal and external air pressures of the supporting leg are unbalanced, the supporting leg is further tightly adsorbed on the male die, the demolding is difficult, and the supporting leg can be separated from the male die only by using larger strength, so that the demolding process of the supporting leg is very inconvenient. Meanwhile, in the demolding process, the supporting feet are easy to sink and deform under the action of atmospheric pressure, so that the yield of the supporting feet is affected, and the compression resistance and the supporting strength of the supporting feet are further affected.
Second, in the regulation use, because the one end of supporting legs is equipped with the end closure enhancement portion, the connecting cylinder that has the internal thread hole also is one end closure, and the other end opening supplies the supporting legs to connect, and connects comparatively closely, when the air is difficult for circulating, also appears the vacuum phenomenon easily between supporting legs and the internal thread hole, leads to the supporting legs screw in with screw out not smooth enough, the adjustment process is also very inconvenient.
Accordingly, in view of the foregoing deficiencies of the prior art support foot products, the applicant has perceived that there is a great need for further improvements to the prior art solutions to better meet the application requirements of the furniture industry.
Disclosure of Invention
The utility model aims to solve the problems and the defects, and provides a furniture adjusting foot structure which is beneficial to production demolding, and the furniture adjusting foot structure can prevent vacuum phenomenon from occurring between an inner cavity of an outer screw rod assembly and a male die, so that the inner and outer air pressures of the outer screw rod assembly are kept balanced, the demolding is easier, the conditions of sinking and deformation are avoided, the yield of products is improved, the screwing-in and screwing-out of the outer screw rod assembly can be kept smooth, and the adjusting efficiency is improved.
The technical scheme of the utility model is realized as follows: the utility model provides a do benefit to furniture of production drawing of patterns and adjust foot structure, includes outer screw rod subassembly, interior screw rod subassembly through threaded connection together, its characteristics lie in outer screw rod subassembly is equipped with the inner chamber that runs through to the lower extreme from its upper end, upper end or middle part or the lower extreme of inner chamber are equipped with the end cover reinforcing part, and still are equipped with the bleeder vent that runs through to outer screw rod subassembly lateral wall on the inner chamber wall that is close to the end cover reinforcing part.
Preferably, the pore diameter of the ventilation holes is 0.5-2mm.
Preferably, the number of the ventilation holes is at least one.
Preferably, the inner cavity is also provided with a reinforcing rib.
The utility model has the beneficial effects that: according to the utility model, the ventilation holes penetrating through the outer side wall of the outer screw assembly are formed in the cavity wall of the inner cavity close to the end-sealing reinforcing part, so that air can flow into the inner cavity through the ventilation holes during demolding, the vacuum phenomenon between the inner cavity of the outer screw assembly and the male mold is prevented, the internal and external air pressures of the outer screw assembly are kept balanced, the demolding of the outer screw assembly is easier, the phenomenon that the outer screw assembly is sunken and deformed in the demolding process is avoided, the yield of products is improved, and the stress performance and the supporting strength of the outer screw assembly are ensured. And through the setting of bleeder vent, can also make the air and external circulation between outer screw rod subassembly and the interior screw rod subassembly, like this at the adjustment in-process, the screw in of outer screw rod subassembly with screw out can both keep smooth and easy, improve adjustment efficiency. Meanwhile, the end-capped reinforcing part is arranged at the upper end or the middle part or the lower end of the inner cavity, so that the compression resistance of the upper end or the middle part or the lower end of the outer screw rod assembly can be enhanced, the structural strength of the upper end or the middle part or the lower end of the outer screw rod assembly can be enhanced, the supporting strength and the stability of the whole structure of the outer screw rod assembly can be improved, and the service life of the outer screw rod assembly can be prolonged.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present utility model.
Fig. 2 is a schematic diagram of a split structure according to a first embodiment of the present utility model.
Fig. 3 is a schematic cross-sectional view of an outer screw assembly according to a first embodiment of the present utility model.
Fig. 4 is a schematic diagram of a split structure of a second embodiment of the present utility model.
Fig. 5 is a schematic cross-sectional view of an outer screw assembly according to a second embodiment of the present utility model.
Fig. 6 is a schematic perspective view of a third embodiment of the present utility model.
Fig. 7 is a schematic diagram of a split structure of a third embodiment of the present utility model.
Fig. 8 is a schematic cross-sectional structure of an outer screw assembly according to a third aspect of the present utility model.
Fig. 9 is a schematic perspective view of a fourth embodiment of the present utility model.
Fig. 10 is a schematic structural view of a manufacturing mold according to the present utility model.
Description of the embodiments
As shown in fig. 1, the furniture adjusting leg structure beneficial to production demolding according to the present utility model comprises an outer screw rod assembly 1 and an inner screw rod assembly 2 which are connected together through threads, in order to achieve the purpose proposed by the present utility model, as shown in fig. 3, 5 and 8, the outer screw rod assembly 1 is provided with an inner cavity 11 penetrating from the upper end to the lower end, the upper end or the middle part or the lower end of the inner cavity 11 is provided with a sealing end reinforcing part 12, and the cavity wall of the inner cavity 11 close to the sealing end reinforcing part 12 is also provided with an air vent 13 penetrating to the outer side wall of the outer screw rod assembly 1. This furniture adjusts foot structure can prevent that vacuum phenomenon from appearing between inner chamber 11 and the public mould of outer screw rod subassembly 1, makes the inside and outside atmospheric pressure of outer screw rod subassembly 1 keep balanced, and the drawing of patterns is easier, avoids taking place sunken, the circumstances of deformation, improves the yields of product, can also make the screw in of outer screw rod subassembly 1 and screw out all can keep smooth and easy, improves adjustment efficiency.
In order to prevent the vent holes 13 from being opened, as shown in fig. 2 and 4, the vent holes 13 are located between two adjacent screw threads. The screw thread is easier to set up, the shape outline of the screw thread is not easy to damage, and the smoothness of the screw joint is prevented from being influenced.
The aperture of the ventilation holes 13 is 0.5-2mm. Preferably, the aperture of the ventilation hole 13 is 1.5mm. Thus, the ventilation of air can be ensured, the aperture of the ventilation holes 13 can not be too large, and the influence on the overall structural strength of the outer screw assembly 1 is avoided.
As shown in fig. 2 and 3, the number of the ventilation holes 13 is at least one. Preferably, the number of the ventilation holes 13 is four. This ensures the air intake and exhaust amount, thereby rapidly maintaining the balance of the internal and external air pressure of the external screw assembly 1. When the end-capped reinforcement portion 12 is disposed in the middle of the inner cavity 11, as shown in fig. 4 and 5, the number of the ventilation holes 13 is eight.
In order to further enhance the overall structural strength of the outer screw assembly 1, as shown in fig. 3, 5 and 8, reinforcing ribs 14 are further provided in the inner cavity 11. Through the setting of strengthening rib 14, can strengthen the overall structure intensity of outer screw rod subassembly 1, improve compressive property and the supporting strength of outer screw rod subassembly 1 to improve the life of outer screw rod subassembly 1. The ribs 14 may have a cross-section in the shape of a straight line, a cross, a rice-shape, or the like. The length of the ribs 14 may be made the same as the length of the inner cavity 11.
When the outer screw assembly 1 is used as a lower structure of a furniture adjustment foot, the inner screw assembly 2 is applied as an upper structure of a furniture adjustment foot. At this time, in order to increase the contact area between the outer screw assembly and the ground and enhance the bearing stability, as shown in fig. 2 and 4, the bottom end of the outer screw assembly 1 is further provided with a reinforcing base 3, and the bottom surface of the reinforcing base 3 may be further provided with an anti-skid texture. Meanwhile, in order to increase the contact area between the inner screw assembly 2 and the furniture and ensure the reliability of the connection and support between the inner screw assembly 2 and the furniture, as shown in fig. 2, 4 and 7, the top end of the inner screw assembly 2 is further provided with a connection lug 4 with a connection hole 41. Or the top end of the inner screw rod assembly 2 is also provided with a supporting part, and the supporting part is also provided with a connecting screw hole which is used for installing a screw fixed with furniture.
In order to further enhance the strength of the connection structure between the inner screw assembly 2 and the connection lug 4, as shown in fig. 2, 4 and 6, a reinforcing portion 5 is further provided between the inner screw assembly 2 and the connection lug 4.
When the outer screw assembly 1 is used as a superstructure of a furniture adjustment foot, the inner screw assembly 2 is applied as a lower part structure of a furniture adjustment foot. At this time, in order to increase the contact area between the inner screw assembly and the ground and enhance the bearing stability, as shown in fig. 9, the bottom end of the inner screw assembly 2 is further provided with a reinforcing base 3, and the bottom surface of the reinforcing base 3 may be further provided with an anti-slip texture. Meanwhile, in order to increase the contact area between the outer screw assembly 1 and the furniture and ensure the reliability of the connection support with the furniture, as shown in fig. 9, the top end of the outer screw assembly 1 is also provided with a connection lug 4 with a connection hole 41. Or the top end of the outer screw rod component 1 is also provided with a supporting part, and the supporting part is also provided with a connecting screw hole which is used for installing a screw fixed with furniture.
As shown in fig. 10, the ventilation holes 13 are formed by injection molding after the cylinder 61 provided on the female mold 6 abuts against the male mold 7. As shown in fig. 10, in the actual demolding process, the female mold 6 may be removed first, or the male mold 7 may be removed first. When demolding is performed by removing the male mold 7 first, the female mold 6 may be provided with an air pipe 8, and the column 61 may be provided with a vent hole communicating with the air pipe 8. In this way, when demoulding, air can be blown into the vent hole through the air pipe 8, so that air can quickly flow into the space between the inner cavity 11 of the outer screw assembly 1 and the male mould 7, the internal and external air pressures of the outer screw assembly 1 can be quickly balanced, and the demoulding can be quickly carried out. When the female mold 6 is removed, the male mold 7 is removed from the female mold 6 without providing the air pipe 8 on the female mold 6, and the outer screw assembly 1 is pulled out after the female mold 6 is removed.
Claims (7)
1. Do benefit to furniture of production drawing of patterns and adjust foot structure, include outer screw rod subassembly (1), interior screw rod subassembly (2) that link together through the screw thread, its characterized in that: the outer screw rod assembly (1) is provided with an inner cavity (11) penetrating from the upper end to the lower end, the upper end or the middle part or the lower end of the inner cavity (11) is provided with a sealing end reinforcing part (12), and ventilation holes (13) penetrating to the outer side wall of the outer screw rod assembly (1) are further formed in the cavity wall of the inner cavity (11) close to the sealing end reinforcing part (12).
2. The furniture regulating foot structure for facilitating the production of demolds according to claim 1, wherein: the aperture of the ventilation holes (13) is 0.5-2mm.
3. The furniture regulating foot structure for facilitating the production of demolds according to claim 1, wherein: the number of the ventilation holes (13) is at least one.
4. The furniture regulating foot structure for facilitating the production of demolds according to claim 1, wherein: reinforcing ribs (14) are further arranged in the inner cavity (11).
5. The furniture regulating foot structure for facilitating the production of demolds according to claim 1, wherein: the bottom end of the outer screw rod assembly (1) is also provided with a reinforcing base (3); the top end of the inner screw rod assembly (2) is also provided with a connecting lug (4) with a connecting hole (41).
6. The furniture regulating foot structure for facilitating the production of demolds according to claim 5, wherein: a reinforcing part (5) is arranged between the inner screw assembly (2) and the connecting lug (4).
7. The furniture regulating foot structure for facilitating the production of demolds according to claim 1, wherein: the top end of the outer screw rod assembly (1) is also provided with a connecting lug (4) with a connecting hole (41); the bottom end of the inner screw rod assembly (2) is also provided with a reinforcing base (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322164787.2U CN220734859U (en) | 2023-08-12 | 2023-08-12 | Furniture adjusting foot structure beneficial to production demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322164787.2U CN220734859U (en) | 2023-08-12 | 2023-08-12 | Furniture adjusting foot structure beneficial to production demolding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220734859U true CN220734859U (en) | 2024-04-09 |
Family
ID=90553379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322164787.2U Active CN220734859U (en) | 2023-08-12 | 2023-08-12 | Furniture adjusting foot structure beneficial to production demolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220734859U (en) |
-
2023
- 2023-08-12 CN CN202322164787.2U patent/CN220734859U/en active Active
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