CN219887832U - Hinge lifting mechanism - Google Patents
Hinge lifting mechanism Download PDFInfo
- Publication number
- CN219887832U CN219887832U CN202320869626.0U CN202320869626U CN219887832U CN 219887832 U CN219887832 U CN 219887832U CN 202320869626 U CN202320869626 U CN 202320869626U CN 219887832 U CN219887832 U CN 219887832U
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- China
- Prior art keywords
- bearing
- door frame
- door leaf
- output shaft
- lifting
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- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007123 defense Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Hinges (AREA)
Abstract
The utility model relates to a hinge lifting mechanism which comprises a door frame bearing device, a lifting device, a door leaf bearing device, a guiding device and a door frame supporting device, wherein the door frame bearing device and the door frame supporting device are respectively and fixedly connected to a door frame, the door leaf bearing device is fixedly connected to a door leaf, the lifting device is arranged between the door frame bearing device and the door leaf bearing device and comprises an input shaft and an output shaft, the output shaft is connected with the input shaft to realize lifting of the output shaft through rotation of the input shaft, the output shaft is matched with the door leaf bearing device to realize lifting of the door leaf, and the output shaft is connected with the door frame supporting device through the guiding device to improve the stress condition of the lifting device. According to the hinge lifting mechanism, the lifting of the door leaf is realized through the lifting device, and the guide device is used for providing guide for the large-stroke lifting of the door leaf, so that the sealing form of the bottom of the door leaf can be changed, and the integral sealing performance of the door leaf is improved.
Description
Technical Field
The present utility model relates to protective equipment, and more particularly to a hinge lifting mechanism.
Background
In the civil air defense apparatus, a hinge is a connecting device between a door leaf and a door frame, and a conventional hinge can only rotate around a hinge shaft. However, for the protective door without a threshold on the ground, because the bottom of the door leaf and the door frame need to be sealed, if the traditional hinge is adopted, an extra mechanism is added for sealing between the bottom of the door leaf and the door frame, thus the structure is too complex. The sealing performance of the bottom of the door leaf is often unreliable due to the complex structure of the bottom of the door leaf. Because of the complex sealing structure of the bottom of the door leaf, the installation technical level requirement on an installer is higher during installation, and the precision requirement on civil engineering installation conditions is higher; and, at a later stage, when the sealing system is maintained, the operation is too complicated. Therefore, the sealing reliability of the door leaf is greatly reduced, so that the protective door cannot play a role in sealing, and toxic and harmful gases cannot be prevented from entering the engineering.
Disclosure of Invention
In order to solve the problems caused by the complex sealing structure of the bottom of the door leaf in the prior art, the utility model provides a hinge lifting mechanism.
The hinge lifting mechanism comprises a door frame bearing device, a lifting device, a door leaf bearing device, a guiding device and a door frame supporting device, wherein the door frame bearing device and the door frame supporting device are respectively and fixedly connected to a door frame, the door leaf bearing device is fixedly connected to a door leaf, the lifting device is arranged between the door frame bearing device and the door leaf bearing device and comprises an input shaft and an output shaft, the output shaft is connected with the input shaft to realize lifting of the output shaft through rotation of the input shaft, the output shaft is matched with the door leaf bearing device to realize lifting of the door leaf, and the output shaft is connected with the door frame supporting device through the guiding device to improve stress condition of the lifting device.
Preferably, the guide device comprises a guide shaft and a pin shaft, wherein the lower end of the guide shaft is matched with the output shaft and is tightly connected with the output shaft through the pin shaft, and the upper end of the guide shaft is matched with the door frame supporting device to ensure the coaxiality of the output shaft.
Preferably, the door frame supporting device comprises a supporting seat connected with the door frame, the supporting seat is provided with two supporting plates extending on the horizontal plane, the steel sleeve is arranged between the two supporting plates, and the copper sleeve is fixedly arranged in the steel sleeve and matched with the guiding device to reduce friction.
Preferably, the door leaf bearing device is provided with a door leaf bearing plate extending on a horizontal plane, a long waist hole is arranged on the door leaf bearing plate, and the output shaft passes through the long waist hole.
Preferably, the door leaf bearing device further comprises a thrust ball bearing and a door leaf round nut, and the output shaft is inserted into the thrust ball bearing and the round nut to be matched with each other so as to ensure that the relative position between the door leaf bearing plate and the output shaft in the vertical direction is not moved.
Preferably, the door frame bearing device comprises a door frame hinged support connected with the door frame, the door frame hinged support is provided with a door frame hinged support bearing plate extending on a horizontal plane, and the door frame round nut and the thrust aligning bearing are arranged at the lower part of the door frame hinged support bearing plate.
Preferably, the lifting device further comprises a bearing shaft, and the bearing shaft extends into the thrust aligning bearing and is matched with the doorframe round nut through threads at the tail end.
Preferably, the door frame bearing device further comprises a self-aligning bearing arranged at the upper part of the door frame hinged support bearing plate, and the bearing shaft penetrates through the self-aligning bearing to ensure that the lifting device is always kept in a vertical state through the self-aligning bearing.
Preferably, the lifting device further comprises a housing into which the input shaft is inserted from the side and the output shaft protrudes from the top surface of the housing.
Preferably, the lifting device further comprises a sliding assembly fixedly connected to the housing cover of the housing, and the door leaf bearing device is arranged on the sliding assembly to enable the door leaf bearing device to slide relatively.
According to the hinge lifting mechanism, the lifting of the door leaf is realized through the lifting device, and the guide device is used for providing guide for the large-stroke lifting of the door leaf, so that the sealing form of the bottom of the door leaf can be changed, and the integral sealing performance of the door leaf is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a hinge lifting mechanism according to a preferred embodiment of the present utility model.
Fig. 2 is a schematic structural view of the doorframe load-bearing apparatus of fig. 1.
Fig. 3 is a schematic structural view of the lifting device of fig. 1.
Fig. 4 is a schematic structural view of the door leaf load-bearing device of fig. 1.
Fig. 5 is a schematic view of the guide device of fig. 1.
Fig. 6 is a schematic structural view of the door frame supporting device of fig. 1.
Detailed Description
Preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the hinge lifting mechanism according to a preferred embodiment of the present utility model includes a door frame bearing device 1, a lifting device 2, a door frame bearing device 3, a guide device 4 and a door frame supporting device 5, wherein the door frame bearing device 1 and the door frame supporting device 5 are fixedly connected to a door frame, the door frame bearing device 3 is fixedly connected to a door leaf, the lifting device 2 is installed between the door frame bearing device 1 and the door frame bearing device 3 to enable lifting of the door leaf, and the lifting device 2 is connected with the door frame supporting device 5 through the guide device 4 to improve the stress condition of the lifting device 2, so that the guide device 4 provides guidance for the large-stroke lifting of the door leaf.
As shown in fig. 2, the door frame load-bearing device 1 includes a door frame hinge support 11 connected to a door frame by a first connection bolt pair 12, and the door frame hinge support 11 has a door frame hinge support bearing plate 111 extending in a horizontal plane. The door frame bearing device 1 further comprises a door frame round nut 13 and a thrust aligning bearing 14, which are arranged at the lower part of the door frame hinge support bearing plate 111 and cooperate with the lifting device 2 to provide downward pulling force for the lifting device 2. The door frame bearing device 1 further comprises a aligning bearing 15, which is arranged at the upper part of the door frame hinged support bearing plate 111 and is matched with the lifting device 2 to conduct force in the vertical direction to the aligning bearing 15, so that the lifting device 2 is always kept in the vertical state through the aligning bearing 15.
As shown in fig. 3, the lifting device 2 includes an input shaft 21, an output shaft 22, and a housing 24, wherein the housing 24 is a main body structure, the input shaft 21 is inserted into the housing 24 from a side, the output shaft 22 is connected with the input shaft 21 to realize lifting of the output shaft 22 by rotation of the input shaft 21, and the output shaft 22 protrudes from a top surface of the housing 24 and cooperates with the door leaf load-bearing device 3 to realize lifting of the door leaf load-bearing device 3. The lifting device 2 further comprises a load bearing shaft 23 arranged at the bottom end of the housing 24 and connected to the door frame load bearing device 1. Specifically, the lower end of the load-bearing shaft 23 passes through the aligning bearing 15 of the door frame load-bearing device 1, extends into the thrust aligning bearing 14, and is engaged with the door frame round nut 13 by the thread of the tail end. The lifting device 2 further comprises a sliding assembly 25 arranged on the housing cover of the housing 24 and connected with the housing cover by means of a bolt pair, and the door leaf load-bearing device 3 is arranged on the sliding assembly 25 for realizing a relative sliding of the door leaf load-bearing device 3.
As shown in fig. 4, the door leaf load-bearing device 3 comprises a connection plate 31, which is connected to the door leaf by means of a second connection bolt pair 34. The door leaf support 3 further comprises a door leaf support plate 32 extending in a horizontal plane, which is fixedly connected to the connecting plate 31 perpendicularly to the connecting plate 31. Specifically, the lower surface 321 of the door leaf bearing plate 32 cooperates with the sliding component 25 of the lifting device 2 to realize the movement of the door leaf perpendicular to the door frame direction, the door leaf bearing plate 32 is provided with a long waist hole 322, and the upper end of the output shaft 22 of the lifting device 2 passes through the long waist hole 322. The door leaf load-bearing means 3 further comprises a reinforcement plate 33 perpendicular to the connection plate 31 and the door leaf load-bearing plate 32, respectively, and fixedly connected to the connection plate 31 and the door leaf load-bearing plate 32 to provide an enhanced strength. The door leaf load-bearing device 3 further comprises a thrust ball bearing 35 and a door leaf round nut 36, which cooperate with the upper end of the output shaft 22 of the lifting device 2 to ensure that the vertical relative position between the door leaf load-bearing plate 32 and the upper end of the output shaft 22 is fixed.
As shown in fig. 5, the guide 4 includes a guide shaft 41 and a pin shaft 42, wherein a lower end of the guide shaft 41 is engaged with an upper end of the output shaft 22 of the lifting device 2 and is tightly coupled by the pin shaft 42, and an upper end of the guide shaft 41 is engaged with the door frame supporting device 5 (see fig. 1), thereby ensuring coaxiality of the output shaft 22 of the lifting device 2.
As shown in fig. 6, the door frame supporting device 5 includes a supporting seat 51 connected to the door frame by a third connecting bolt pair 52. Specifically, the support base 51 includes a bottom plate 511 and two support plates 512 extending in parallel perpendicular to the bottom plate 511. The door frame supporting device 5 further comprises a copper sleeve 53 and a steel sleeve 54, the steel sleeve 54 is arranged between the two supporting plates 512, the copper sleeve 53 is arranged in the steel sleeve 54 and connected with the steel sleeve through a set screw 55, and the copper sleeve 53 is matched with the guide shaft 41 of the guide device 4, so that friction is reduced.
According to the hinge lifting mechanism of the present utility model, the lifting and lowering of the upper end of the output shaft 22 is achieved by rotating the input shaft 21 of the lifting device 2, and the lifting and lowering of the door leaf load bearing 3 can be achieved by rotating the input shaft 21 because the door leaf load bearing 3 restricts the relative movement between the door leaf load bearing 3 and the upper end of the output shaft 22 by the thrust ball bearing 35 and the door leaf round nut 36. The gravity of the door leaf is conducted to the sliding component 25 through the door leaf bearing device 3, the sliding component 25 is conducted to the shell 24, the shell 24 is conducted to the bearing shaft 23, and the bearing shaft 23 is conducted to the door frame bearing device 1.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the scope of the present utility model, and various modifications can be made to the above-described embodiment of the present utility model. All simple, equivalent changes and modifications made in accordance with the claims and the specification of this application fall within the scope of the patent claims. The present utility model is not described in detail in the conventional art.
Claims (10)
1. The hinge lifting mechanism is characterized by comprising a door frame bearing device (1), a lifting device (2), a door leaf bearing device (3), a guide device (4) and a door frame supporting device (5), wherein the door frame bearing device (1) and the door frame supporting device (5) are fixedly connected to a door frame respectively, the door leaf bearing device (3) is fixedly connected to a door leaf, the lifting device (2) is arranged between the door frame bearing device (1) and the door leaf bearing device (3) and comprises an input shaft (21) and an output shaft (22), the input shaft (21) is connected with the output shaft (22) to realize lifting of the output shaft (22) through rotation of the input shaft (21), the output shaft (22) is matched with the door leaf bearing device (3) to realize lifting of the door leaf, and the output shaft (22) is connected with the door frame supporting device (5) through the guide device (4) to improve stress conditions of the lifting device (2).
2. Hinge lifting mechanism according to claim 1, characterized in that the guiding means (4) comprise a guiding shaft (41) and a pin (42), wherein the lower end of the guiding shaft (41) cooperates with the output shaft (22) and is tightly connected by the pin (42), and the upper end of the guiding shaft (41) cooperates with the frame supporting means (5) to ensure the coaxiality of the output shaft (22).
3. Hinge lifting mechanism according to claim 1, characterized in that the door frame supporting means (5) comprises a supporting seat (51) connected with the door frame, the supporting seat (51) is provided with two supporting plates (512) extending in a horizontal plane, a steel sleeve (54) is arranged between the two supporting plates (512), and a copper sleeve (53) is fixedly arranged in the steel sleeve (54) and is matched with the guiding means (4) to reduce friction.
4. Hinge lifting mechanism according to claim 1, characterized in that the door leaf bearing means (3) has a door leaf bearing plate (32) extending in a horizontal plane, the door leaf bearing plate (32) being provided with a long waist hole (322), the output shaft (22) passing through the long waist hole (322).
5. Hinge lifting mechanism according to claim 4, characterized in that the door leaf bearing means (3) further comprises a thrust ball bearing (35) and a door leaf round nut (36), the output shaft (22) being inserted into the thrust ball bearing (35) and the round nut (36) to cooperate to ensure a relative position between the door leaf bearing plate (32) and the output shaft (22) in the vertical direction.
6. Hinge lifting mechanism according to claim 1, characterized in that the door frame bearing means (1) comprises a door frame hinge support (11) connected to the door frame, the door frame hinge support (11) has a door frame hinge support plate (111) extending in a horizontal plane, and the door frame round nut (13) and the thrust aligning bearing (14) are arranged in the lower part of the door frame hinge support plate (111).
7. Hinge lifting mechanism according to claim 6, characterized in that the lifting device (2) further comprises a bearing shaft (23), the bearing shaft (23) extending into the thrust aligning bearing (14) and cooperating with the door frame round nut (13) by means of the thread at the tail end.
8. Hinge lifting mechanism according to claim 7, characterized in that the door frame bearing (1) further comprises a self-aligning bearing (15) arranged on the upper part of the door frame hinge support bearing plate (111), the bearing shaft (23) passing through the self-aligning bearing (15) to ensure that the lifting device (2) is always kept in a vertical state by the self-aligning bearing (15).
9. Hinge lifting mechanism according to claim 1, characterized in that the lifting device (2) further comprises a housing (24), the input shaft (21) being mounted by being inserted into the housing (24) from the side, the output shaft (22) protruding from the top surface of the housing (24).
10. Hinge lifting mechanism according to claim 9, characterized in that the lifting device (2) further comprises a sliding assembly (25) fixedly connected to the housing cover of the housing (24), the door leaf load bearing means (3) being arranged on the sliding assembly (25) for effecting a relative sliding movement of the door leaf load bearing means (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320869626.0U CN219887832U (en) | 2023-04-18 | 2023-04-18 | Hinge lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320869626.0U CN219887832U (en) | 2023-04-18 | 2023-04-18 | Hinge lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219887832U true CN219887832U (en) | 2023-10-24 |
Family
ID=88397642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320869626.0U Active CN219887832U (en) | 2023-04-18 | 2023-04-18 | Hinge lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219887832U (en) |
-
2023
- 2023-04-18 CN CN202320869626.0U patent/CN219887832U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hinge lifting mechanism Granted publication date: 20231024 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Qingpu sub branch Pledgor: SHANGHAI CIVIL DEFENSE ARCHITECTURAL DESIGN & RESEARCH INSTITUTE CO.,LTD. Registration number: Y2024310000851 |