CN219451988U - Lifting limiting device for electric rolling shutter door - Google Patents
Lifting limiting device for electric rolling shutter door Download PDFInfo
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- CN219451988U CN219451988U CN202320141829.8U CN202320141829U CN219451988U CN 219451988 U CN219451988 U CN 219451988U CN 202320141829 U CN202320141829 U CN 202320141829U CN 219451988 U CN219451988 U CN 219451988U
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- door
- limiting
- transmission unit
- door opening
- contact
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Abstract
The utility model provides a lifting limiting device for an electric roller shutter door, which is characterized in that a limiting mechanism is arranged on a motor bracket, a limiting driving mechanism is arranged between the motor bracket and the limiting mechanism, and a limiting contact of a door opening and closing is driven to lift by a gear and a screw nut in a transmission mode so as to be in contact with a door opening and closing limiting switch of the limiting mechanism, so that the door opening and closing of the roller shutter door is controlled to be in place, the transmission error is small, the transmission is more accurate, the structure cost is low, the practicability is strong, and the technical problems that the transmission mode of the limiting structure for lifting the roller shutter door in place in the prior art is unreasonable, the transmission error is large, the cost is high and the like are solved.
Description
Technical Field
The utility model relates to the technical field of electric roller shutters, in particular to a lifting limiting device for an electric roller shutter.
Background
The rolling shutter door is also called as a rolling shutter door, and is characterized in that a plurality of articulated door sheets are connected in series, and an upper door and a lower door are rotated in a fixed slideway by taking a reel above the door as a center. The existing limiting device of the rolling gate is usually of a single-blade double-connection switch structure, the switch is controlled through the number of rotating turns, the upper limit and the lower limit are respectively achieved, and power-off control is conducted in a single-blade steering mode.
Chinese patent CN202020749833.9 discloses a power-off protection device for electric roller shutter door motor, which comprises a base, install the motor support on the base, rotate the horizontal rotation axis of installing on the base, rotate the vertical output shaft of installing in the motor support, install the jacking subassembly at vertical output shaft top and with the micro-gap switch that the jacking subassembly adjacently established, still include the reinforcement subassembly, the reinforcement subassembly sets up between motor support and jacking subassembly, it connects reinforcement motor support and jacking subassembly, through setting up the reinforcement subassembly, utilize the supporting disk in the reinforcement subassembly to strengthen the intensity of connecting the guide arm, and through setting up the change of connecting guide arm upper and lower part diameter, strengthen the joint strength between motor support and the jacking subassembly.
But in the prior art, the transmission mode of the limit structure for lifting the rolling door in place is unreasonable, the transmission error is large, and the cost is high.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides the lifting limiting device for the electric roller shutter door, wherein the limiting mechanism is arranged on the motor support, the limiting driving mechanism is arranged between the motor support and the limiting mechanism, and the limiting contact of the opening and closing door is driven to lift by the transmission mode of the gear and the screw nut so as to be in contact with the limiting switch of the opening and closing door of the limiting mechanism, so that the opening and closing door of the roller shutter door is controlled to be in place, the transmission error is small, the transmission is more accurate, the structural cost is low, the practicability is strong, and the technical problems of unreasonable transmission mode setting, large transmission error, high cost and the like of the limiting structure of lifting and closing the roller shutter door in place in the prior art are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
lifting limiting device for electric roller shutter door includes: a base; the motor bracket is arranged on the base; further comprises: the limiting mechanism is arranged on the motor bracket; and the limiting driving mechanism is arranged between the motor bracket and the limiting mechanism and can move upwards to be propped against the limiting mechanism.
Preferably, the limit driving mechanism includes: the driving module is arranged on the motor bracket; the door opening limiting contact and the door closing limiting contact are driven by the driving module to perform lifting actions.
Preferably, the limit mechanism includes: a support assembly; and the door-opening limit switch and the door-closing limit switch are arranged on the supporting component, the door-opening limit contact is positioned below the door-opening limit switch and can be in contact with the door-opening limit switch in a propping mode, the door-closing limit contact is positioned below the door-closing limit switch and can be in contact with the door-closing limit switch in a propping mode, the door-opening limit contact corresponds to the door-opening limit switch in a propping mode after moving upwards, and the door-closing limit contact corresponds to the door-closing limit switch in a propping mode after moving upwards.
Preferably, the driving module includes: the driving assembly is rotationally arranged; the door opening and closing transmission unit is connected with the driving assembly in a meshed mode, the door opening limiting contact is installed on the door opening transmission unit, and the door closing limiting contact is installed on the door closing transmission unit.
Preferably, the door opening transmission unit and the door closing transmission unit each include: the screw rod is vertically arranged between the supporting component and the motor bracket; and the nut is sleeved on the screw rod in a threaded fit manner and is meshed with the driving assembly, and the door opening limiting contact and the door closing limiting contact are correspondingly sleeved on the screw rod and are positioned between the supporting assembly and the nut.
Preferably, the door opening transmission unit and the door closing transmission unit each further comprise: the top and the bottom of lead screw are equipped with one with the axle sleeve respectively the elastic component, the top and the bottom of lead screw are provided with spacing step respectively, the top the elastic component conflict in between the spacing step at supporting component and top, the bottom the elastic component conflict in between the spacing step of motor support and bottom.
Preferably, the support assembly includes: the door opening limit switch and the door closing limit switch are distributed on the mounting seat in a mirror image mode, and through holes for the door opening limit contact and the door closing limit contact to pass through are correspondingly formed in the mounting seat; the method comprises the steps of,
the guide rods are provided with a plurality of groups and are distributed along the peripheral outer edges of the mounting seats, the mounting seats penetrate through the guide rods, the bottoms of the guide rods are connected with the motor support, and the limiting driving mechanism is arranged between the motor support and the mounting seats.
Preferably, the elastic piece at the top of the screw rod is correspondingly abutted against the bottom of the mounting seat.
Preferably, the driving assembly includes: the driving gear structure is rotatably arranged on the motor bracket and is meshed with the door opening transmission unit and the door closing transmission unit; and the driving gear ring is sleeved outside the motor bracket and is meshed with the driving gear structure, and the driving gear structure is driven to rotate by the rotation of the driving gear ring.
Preferably, the driving gear structure, the door opening transmission unit and the door closing transmission unit are arranged in parallel.
Preferably, the driving gear structure includes: the gear A is meshed with the nut, and the gear B is meshed with the driving gear ring.
Preferably, the axial length of the gear a is adapted to the lifting stroke of the nut.
Preferably, the method further comprises: the adjusting mechanism is provided with two groups and is respectively connected with the bottom ends of the door opening transmission unit and the door closing transmission unit so as to correspondingly adjust the heights of the door opening transmission unit and the door closing transmission unit.
Preferably, the adjusting mechanism includes: the turbine is coaxially connected with the bottom of the screw rod; and the worm is matched with the turbine, is horizontally arranged on the motor bracket, and the end part of the worm extends out of the motor bracket.
The utility model has the beneficial effects that:
(1) According to the utility model, the limit mechanism is arranged on the motor support, the limit driving mechanism is arranged between the motor support and the limit mechanism, and the limit contact of the opening and closing door is lifted by pushing the drive mode of the gear and the screw nut to be in contact with the limit switch of the opening and closing door of the limit mechanism, so that the opening and closing door of the rolling door is controlled to be in place, the drive error is small, the drive is more accurate, the structural cost is low, and the practicability is strong;
(2) According to the utility model, the single driving assembly is arranged, the door opening and closing transmission units are respectively arranged for the door opening and closing limit switch, and the door opening transmission units and the door closing transmission units are both in meshed connection with the driving assembly, so that the door opening and closing limit switch is driven by the driving assembly to act, power is saved, the structure is simplified, and the door opening and closing limit contact is driven to rise through the transmission of the screw rod nut structure, so that the structure is simple and the precision is high;
(3) According to the utility model, the group of adjusting mechanisms are respectively arranged for the door opening and closing transmission units, and the adjusting mechanisms are in transmission connection with the door opening and closing transmission units through the worm and gear structure, so that the vertical height of the door opening and closing transmission units is finely adjusted, and the door opening and closing transmission units are suitable for rolling doors of different models and sizes and have good adaptability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a connection structure between a limiting mechanism and a limiting driving mechanism in the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic diagram of a driving module according to the present utility model;
fig. 5 is a schematic diagram of a connection structure between an adjusting mechanism and a driving module in the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1, the lifting and limiting device for an electric rolling door includes: a base 1; a motor bracket 2, wherein the motor bracket 2 is arranged on the base 1; further comprises: the limiting mechanism 3 is arranged on the motor bracket 2; and the limit driving mechanism 4 is arranged between the motor bracket 2 and the limit mechanism 3, and the limit driving mechanism 4 can move upwards to be in contact with the limit mechanism 3.
Preferably, as shown in fig. 2 to 3, the limit drive mechanism 4 includes: a drive module 40, the drive module 40 being mounted on the motor bracket 2; and a door opening limiting contact 42 and a door closing limiting contact 43, wherein the door opening limiting contact 42 and the door closing limiting contact 43 are driven by the driving module 40 to perform lifting action.
Preferably, the limiting mechanism 3 includes: a support assembly 31; and the door-opening limit switch 32 and the door-closing limit switch 33 are installed on the supporting component 31, the door-opening limit contact 42 is positioned below the door-opening limit switch 32 and can be in contact with the door-opening limit switch 32, and the door-closing limit contact 43 is positioned below the door-closing limit switch 33 and can be in contact with the door-closing limit switch 33.
In this embodiment, through installing stop gear 3 on motor support 2, install spacing actuating mechanism 4 between motor support 2 and stop gear 3, drive module 40 takes place the action and pushes up and move open door limit contact 42 or close door limit contact 43 to rise through gear and screw-nut transmission mode to correspond and push up with open door limit switch 32 or close door limit switch 33 and touch, thereby control shutter door switch door is in place, and transmission error is little, and the transmission is more accurate, and low in structural cost, the practicality is strong.
Preferably, as shown in fig. 4, the driving module 40 includes: a drive assembly 44, the drive assembly 44 being rotatably disposed; the door opening transmission unit 45 and the door closing transmission unit 46 are in meshed connection with the driving assembly 44, the door opening limiting contact 42 is installed on the door opening transmission unit 45, and the door closing limiting contact 43 is installed on the door closing transmission unit 46.
In this embodiment, by providing a single driving component 44, and separately providing a door opening transmission unit 45 and a door closing transmission unit 46 for the door opening limit contact 42 and the door closing limit contact 43, the door opening transmission unit 45 and the door closing transmission unit 46 are engaged with and connected with the driving component 44, so that the door opening transmission unit 45 and the door closing transmission unit 46 are driven by the driving component 44 to act, thereby saving power and simplifying structure.
Preferably, as shown in fig. 3, the door opening transmission unit 45 and the door closing transmission unit 46 each include: a screw 451 vertically installed between the support assembly 31 and the motor bracket 2; and the nut 452 is sleeved on the screw rod 451 in a threaded fit manner and is in meshed connection with the driving assembly 44, and the door opening limiting contact 42 and the door closing limiting contact 43 are correspondingly sleeved on the screw rod 451 and are positioned between the supporting assembly 31 and the nut 452.
In the embodiment, the door opening limiting contact 42 or the door closing limiting contact 43 is correspondingly driven to lift in a screw-nut structure transmission mode, so that the structure is simple and the precision is high.
During operation, the driving module 40 rotates, and drives the nut 452 to rotate through gear transmission, and the nut 452 moves upwards along the screw rod 451 under the cooperation with the screw rod 451, so that the door opening limit contact 42 or the door closing limit contact 43 above the nut 452 moves upwards, and the door opening limit contact 42 moves upwards to be in contact with the door opening limit switch 32, or the door closing limit contact 43 moves upwards to be in contact with the door closing limit switch 33.
Preferably, the door opening transmission unit 45 and the door closing transmission unit 46 each further include: the elastic member 453, the top and the bottom of the screw 451 are respectively coaxially sleeved with the elastic member 453, the top and the bottom of the screw 451 are respectively provided with a limiting step 450, the elastic member 453 at the top is abutted between the supporting component 31 and the limiting step 450 at the top, and the elastic member 453 at the bottom is abutted between the motor bracket 2 and the limiting step 450 at the bottom.
In this embodiment, the elastic members 453 (optionally, springs) are sleeved at the upper end and the lower end of the screw rod 451, so that the screw rod 451 is ensured to be installed in place, and the upper and lower movement is avoided, so that the limiting precision is affected.
Preferably, as shown in fig. 3, the support assembly 31 includes: the mounting seat 311, the door opening limit switch 32 and the door closing limit switch 33 are arranged on the mounting seat 311 in a mirror image manner, and the mounting seat 311 is correspondingly provided with a through hole 310 for the door opening limit contact 42 and the door closing limit contact 43 to pass through.
In operation, door opening limit contact 42 or door closing limit contact 43 is lifted and passes through corresponding through hole 310 to contact door opening limit switch 32 or door closing limit switch 33.
Preferably, as shown in fig. 3-4, the drive assembly 44 includes: the driving gear structure 441 is rotatably mounted on the motor bracket 2 and is in meshed connection with the door opening transmission unit 45 and the door closing transmission unit 46; and a driving gear ring 442, wherein the driving gear ring 442 is sleeved outside the motor bracket 2 and is meshed with the driving gear structure 441, and the rotation of the driving gear structure 441 drives the driving gear structure 441 to rotate.
Preferably, the driving gear structure 441, the door opening transmission unit 45, and the door closing transmission unit 46 are disposed in parallel.
Preferably, as shown in fig. 4, the driving gear structure 441 includes: a main shaft 4411, and a gear A4412 and a gear B4413 which are axially arranged on the main shaft 4411, wherein the gear A4412 is meshed with the nut 452, and the gear B4413 is meshed with the driving gear ring 442.
Preferably, the axial length of the gear a4412 is adapted to the lifting stroke of the nut 452.
Preferably, as shown in fig. 2, the supporting assembly 31 further includes: the guide rods 312, the guide rods 312 are provided with a plurality of groups and are arranged along the circumferential outer edges of the mounting seats 311, the mounting seats 311 are arranged on the guide rods 312 in a penetrating mode, the bottoms of the guide rods 312 are connected with the motor support 2, and the limit driving mechanism 4 is arranged between the motor support 2 and the mounting seats 311 and has good structural stability.
The elastic member 453 at the top of the screw 451 is correspondingly abutted against the bottom of the mounting seat 311.
Example two
The same or corresponding parts of this embodiment as those of the above embodiment are given the same reference numerals as those of the above embodiment, and only the points of distinction from the above embodiment will be described below for the sake of brevity. This embodiment differs from the above embodiment in that:
preferably, as shown in fig. 2, the method further comprises: the adjusting mechanism 5 is provided with two groups and is respectively connected with the bottom ends of the door opening transmission unit 45 and the door closing transmission unit 46 so as to adjust the heights of the door opening transmission unit 45 and the door closing transmission unit 46.
Preferably, as shown in fig. 5, the adjusting mechanism 5 includes: a turbine 51, wherein the turbine 51 is coaxially connected with the bottom of the screw 451; and a worm 52 which is arranged in cooperation with the worm wheel 51, wherein the worm 52 is horizontally arranged on the motor bracket 2, and the end part of the worm 52 extends out of the motor bracket 2.
In this embodiment, a group of adjusting mechanisms 5 are respectively arranged on the door opening transmission unit 45 and the door closing transmission unit 46, the adjusting mechanisms 5 are in transmission connection with the door opening transmission unit 45 or the door closing transmission unit 46 through a worm and gear structure, and the heights of the door opening transmission unit 45 or the door closing transmission unit 46 in the vertical direction are finely adjusted through rotating the worm 52, so that the initial positions of the nuts 452 are adjusted, and therefore the door opening and closing device is suitable for rolling doors of different models and sizes and has good adaptability.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. Lifting limiting device for electric roller shutter door includes:
a base;
the motor bracket is arranged on the base;
characterized by further comprising:
the limiting mechanism is arranged on the motor bracket; and
the limiting driving mechanism is arranged between the motor support and the limiting mechanism, and can move upwards to be propped against the limiting mechanism.
2. The lifting and lowering limiting device for an electric roll-up door according to claim 1, wherein the limiting driving mechanism comprises:
the driving module is arranged on the motor bracket; and
the door opening limiting contact and the door closing limiting contact are driven by the driving module to perform lifting action.
3. The lifting and lowering limiting device for an electric roll-up door according to claim 2, wherein the limiting mechanism comprises:
a support assembly; and
the door opening limiting contact is positioned below the door opening limiting switch and can be in contact with the door opening limiting switch in a propping mode, and the door closing limiting contact is positioned below the door closing limiting switch and can be in contact with the door closing limiting switch in a propping mode.
4. A lifting and lowering limiter for a motorized roller shutter according to claim 3, wherein the drive module comprises:
the driving assembly is rotationally arranged;
the door opening and closing transmission unit is connected with the driving assembly in a meshed mode, the door opening limiting contact is installed on the door opening transmission unit, and the door closing limiting contact is installed on the door closing transmission unit.
5. The lifting and limiting device for an electric rolling shutter door according to claim 4, wherein the door opening transmission unit and the door closing transmission unit each comprise:
the screw rod is vertically arranged between the supporting component and the motor bracket; and
the nut is sleeved on the screw rod in a threaded fit manner and is meshed with the driving assembly, and the door opening limiting contact and the door closing limiting contact are correspondingly sleeved on the screw rod and are positioned between the supporting assembly and the nut.
6. The lifting and limiting device for an electric rolling shutter door according to claim 5, wherein the door opening transmission unit and the door closing transmission unit each further comprise:
the elastic piece, the top and the bottom of lead screw are overlapped respectively and are equipped with one the elastic piece, the top and the bottom of lead screw are provided with spacing step respectively, the top the elastic piece conflict in between the spacing step at supporting component and top, the bottom the elastic piece conflict in between the spacing step of motor support and bottom.
7. The lifting and lowering limiting device for a power roller shutter door as claimed in any one of claims 3 to 6, wherein the supporting assembly comprises:
the mounting seat is provided with through holes for the door opening limiting contacts and the door closing limiting contacts to pass through correspondingly; and
the guide rods are provided with a plurality of groups and are distributed along the peripheral outer edges of the mounting seats, the mounting seats penetrate through the guide rods, the bottoms of the guide rods are connected with the motor support, and the limiting driving mechanism is arranged between the motor support and the mounting seats.
8. The lifting and lowering limiting device for a motorized roller shutter according to any one of claims 4-6, wherein the driving assembly comprises:
the driving gear structure is rotatably arranged on the motor bracket; and
the driving gear ring is sleeved outside the motor support and is meshed with the driving gear structure, and the driving gear structure is driven to rotate by the rotation of the driving gear structure.
9. The lifting and lowering limiting device for a motorized roller shutter according to claim 5 or 6, further comprising:
the adjusting mechanism is provided with two groups and is respectively connected with the door opening transmission unit and the door closing transmission unit so as to correspondingly adjust the heights of the door opening transmission unit and the door closing transmission unit.
10. The lifting and limiting device for an electric roll-up door according to claim 9, wherein the adjusting mechanism comprises:
the turbine is coaxially connected with the bottom of the screw rod; and
the worm is matched with the turbine, is horizontally arranged on the motor support, and the end part of the worm extends out of the motor support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141829.8U CN219451988U (en) | 2023-02-07 | 2023-02-07 | Lifting limiting device for electric rolling shutter door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320141829.8U CN219451988U (en) | 2023-02-07 | 2023-02-07 | Lifting limiting device for electric rolling shutter door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219451988U true CN219451988U (en) | 2023-08-01 |
Family
ID=87416861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320141829.8U Active CN219451988U (en) | 2023-02-07 | 2023-02-07 | Lifting limiting device for electric rolling shutter door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219451988U (en) |
-
2023
- 2023-02-07 CN CN202320141829.8U patent/CN219451988U/en active Active
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