CN201671524U - Stroke control mechanism of electric rolling door - Google Patents
Stroke control mechanism of electric rolling door Download PDFInfo
- Publication number
- CN201671524U CN201671524U CN2010201895181U CN201020189518U CN201671524U CN 201671524 U CN201671524 U CN 201671524U CN 2010201895181 U CN2010201895181 U CN 2010201895181U CN 201020189518 U CN201020189518 U CN 201020189518U CN 201671524 U CN201671524 U CN 201671524U
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- CN
- China
- Prior art keywords
- rolling door
- limited block
- limit switch
- transmission shaft
- controlling mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a stroke control mechanism of an electric rolling door, which comprises a rolling door frame, a rolling door rotary shaft arranged on the top of the rolling door frame and a motor driving the rolling door rotary shaft. The end of the rolling door rotary shaft outwards extends to form a transmission shaft with a diameter smaller than that of the rolling door rotary shaft, transmission ropes connected end to end are wound on the transmission shaft, a tension portion for tensioning the transmission ropes is arranged below the transmission shaft, each transmission rope is provided with a limit block linked with the rope, two opposite limit switches are arranged on a linear motion trajectory of the limit block and electrically connected with a control circuit of the motor, and vertical displacement of the limit block triggers one corresponding switch to control on and off of a working circuit of the motor. The stroke control mechanism has the advantages of simple structure, convenient and accurate stroke control, stable and reliable work and avoidance of easy affection from external factors.
Description
Technical field
The utility model relates to a kind of controlling organization of rolling door, especially a kind of range controlling mechanism of electric rolling door.
Background technology
The application of electric rolling door is very extensive, and it utilizes driven by motor roller shutter central axis to rotate, and reaches the switch of rolling door, the place of ground door body is installed in inconvenience plays convenient, fast unlatching effect.The Stroke Control of more existing electric rolling doors is by being installed on the doorframe, the travel control switch at following two ends is realized, triggering corresponding travel control switch when rolling door is descending and up respectively disconnects the circuit of motor, rolling door is stop motion just, the weak point of this kind control mode is: be used to control the descending travel control switch of rolling door and be installed in the subaerial bottom position of a body usually for rolling door can be closed fully, this position is subjected to the influence of ground rainwater easily, cause the travel control switch damp failure, and the travel control switch that is installed in this position also often is subjected to artificial influence and damages.Except that above-mentioned control mode, the stroke that adopts tube shaped electric machine to control rolling door is also arranged, but there is job insecurity in tube shaped electric machine, complex structure, the shortcoming that cost is high.
Summary of the invention
Problem to be solved in the utility model just provides a kind of electric rolling door range controlling mechanism simple in structure, and Stroke Control is convenient, accurate, and working stability is reliable, is not subject to the influence of extraneous factor.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of range controlling mechanism of electric rolling door, comprise the rolling door doorframe, be located at the motor of the rolling door rotating shaft and the rotating shaft of driving rolling door at rolling door doorframe top, it is characterized in that: described rolling door roller end extends outward the power transmission shaft of one section diameter less than the rolling door rotating shaft, be wound with end to end fly rope on the described power transmission shaft, described power transmission shaft below is provided with the tensioned portion that described fly rope is tightened, described fly rope is provided with the limited block with its interlock, on the straight-line trajectory of limited block, be provided with two relative limit switches, described limit switch is electrically connected with the control circuit of motor, and the upper and lower displacement of described limited block triggers the break-make of corresponding limit switch control machine operation circuit.
Further, rolling door is in the complete opening state during limit switch of described limited block above triggering it, and rolling door is in buttoned-up status during the limit switch of described limited block below triggering it.
Further, described tensioned portion, limit switch are installed on the lateral surface of described rolling door doorframe, also be provided with vertical hollow guide rail on the rolling door doorframe lateral surface, have vertical chute on one side of the corresponding limit switch of described hollow guide rail, described limited block is provided with the T shape connecting portion that embeds in the described chute, and described fly rope is wire-wrapped in and drives described limited block on the T shape connecting portion and slide up and down along chute.
Further, described tensioned portion is the fixed pulley of being located on the rolling door doorframe.
Further, be shaped on screw thread on the described power transmission shaft, described fly rope solderless wrapped connection is in screw thread.Can not skid when adopting threaded power transmission shaft can guarantee the fly rope transmission.
Further, described limit switch is the travel switch of point contact type.
Further, described limit switch be induction type near switch.
The beneficial effects of the utility model: rolling door rotating shaft of the present utility model drives limited block by power transmission shaft and fly rope and slides up and down, and the rising or the decline of rolling door are being controlled in the rolling door rotating shaft simultaneously, power transmission shaft and rolling door spool have unequal angular velocity, but the linear velocity of rolling door spool is greater than power transmission shaft, limited block and rolling door not only can synchronized movement, and rolling door complete opening or to close required time fully just in time identical with the coasting time of limited block between two limit switches, thereby control mode of the present utility model is more directly perceived, and Stroke Control is convenient, accurately; In addition, the installation of limit switch, limited block is not subjected to the restriction of rolling door structure, can be installed in the higher position of rolling door doorframe, with this influence that reduces extraneous factor, makes the more stable work of controlling organization reliable.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is the structural representation of the utility model electric rolling door;
Fig. 2 is the structural representation of the utility model range controlling mechanism;
Fig. 3 is the A-A sectional drawing among Fig. 2.
The specific embodiment
With reference to Fig. 1, shown in Figure 2, the utility model is a kind of range controlling mechanism of electric rolling door, comprise rolling door doorframe 1, be located at the motor 10 of the rolling door rotating shaft 11 and the driving rolling door rotating shaft 11 at rolling door doorframe 1 top, described rolling door rotating shaft 11 ends extend outward the power transmission shaft 2 of one section diameter less than rolling door rotating shaft 11, be wound with end to end fly rope 3 on the described power transmission shaft 2, described power transmission shaft 2 belows are provided with the tensioned portion 4 that described fly rope 3 is tightened, described fly rope 3 is provided with the limited block 7 with its interlock, on the straight-line trajectory of limited block 7, be provided with two relative limit switches 5, described limit switch 5 is electrically connected with the control circuit of motor 10, and the upper and lower displacement of described limited block 7 triggers the break-make of corresponding limit switch 5 control machine operation circuit.
Rolling door is in the complete opening state during limit switch 5 of limited block 7 above triggering it, and rolling door is in buttoned-up status during the limit switch 5 of described limited block 7 below triggering it; Described tensioned portion 4, limit switch 5 all are installed on the lateral surface of described rolling door doorframe, on rolling door doorframe lateral surface, also be provided with vertical hollow guide rail 6, as shown in Figure 3, have vertical chute 61 on one side of described hollow guide rail 6 corresponding limit switches 5, described limited block 7 is provided with the T shape connecting portion 71 that embeds in the described chute 61, and described fly rope 3 is wire-wrapped in and drives described limited block 7 on the T shape connecting portion 71 and slide up and down along chute 61; Because of fly rope 3 limited block 7 when driving limited block 7 and slide rocks easily, have influence on and the contacting of limit switch 5, above-mentioned guide rail is set limited block 7 is slided at the path of guide rail appointment interior orientation, guarantee that limited block 7 can well contact with limit switch 5; Be shaped on screw thread on the power transmission shaft 2, described fly rope 3 solderless wrapped connections can not be skidded when adopting threaded power transmission shaft 2 can make fly rope 3 transmissions in screw thread; Described tensioned portion 4 is for being located at the fixed pulley on the rolling door doorframe.
Limit switch 5 of the present utility model can adopt the travel switch of point contact type, and limited block 7 must contact with it and could trigger the control circuit that it disconnects motor 10; Perhaps adopt induction type near switch, by approaching limited block 7 is carried out perception, to disconnect the control circuit of motor 10, the characteristics that have reliable operation, long, low in energy consumption, multiple positioning accuracy height of life-span, operating frequency is high and adapts to bad working environment.
During practical application, the rolling door rotating shaft drives the limited block upstream or downstream by power transmission shaft and fly rope, and the rising or the decline of rolling door are being controlled in the rolling door rotating shaft simultaneously, power transmission shaft is extended by the rolling door rotating shaft, thereby power transmission shaft and rolling door spool have unequal angular velocity, the power transmission shaft diameter is less than the rolling door rotating shaft, thereby the linear velocity of rolling door spool is greater than power transmission shaft, limited block and rolling door not only can synchronized movement, and rolling door complete opening or to close required time fully just in time identical with the coasting time of limited block between two limit switches; Rolling door is in the complete opening state when that is to say the limit switch of limited block above triggering it, and rolling door is in buttoned-up status during the limit switch of described limited block below triggering it; For traditional control mode and tube shaped electric machine, control mode of the present utility model is more directly perceived, and Stroke Control is convenient, accurate; In addition, the installation of limit switch, limited block is not subjected to the restriction of rolling door structure, can be installed in the higher position of rolling door doorframe, with this influence that reduces extraneous factor, makes the more stable work of controlling organization reliable.
Claims (7)
1. the range controlling mechanism of an electric rolling door, comprise rolling door doorframe (1), be located at the motor (10) of the rolling door rotating shaft (11) and the driving rolling door rotating shaft (11) at rolling door doorframe (1) top, it is characterized in that: described rolling door rotating shaft (11) end extends outward the power transmission shaft (2) of one section diameter less than rolling door rotating shaft (11), be wound with end to end fly rope (3) on the described power transmission shaft (2), described power transmission shaft (2) below is provided with the tensioned portion (4) that described fly rope (3) is tightened, described fly rope (3) is provided with the limited block (7) with its interlock, be provided with two relative limit switches (5) on the straight-line trajectory of limited block (7), the upper and lower displacement of described limited block (7) triggers the break-make of corresponding limit switch (5) control motor (10) operating circuit.
2. the range controlling mechanism of a kind of electric rolling door according to claim 1, it is characterized in that: rolling door is in the complete opening state during limit switch (5) of described limited block (7) above triggering it, and rolling door is in buttoned-up status during the limit switch (5) of described limited block (7) below triggering it.
3. the range controlling mechanism of a kind of electric rolling door according to claim 2, it is characterized in that: described tensioned portion (4), limit switch (5) is installed on the lateral surface of described rolling door doorframe (1), also be provided with vertical hollow guide rail (6) on rolling door doorframe (1) lateral surface, have vertical chute (61) on one side of the corresponding limit switch of described hollow guide rail (6) (5), described limited block (7) is provided with the T shape connecting portion (71) that embeds in the described chute (61), and described fly rope (3) is wire-wrapped in the last described limited block (7) that drives of T shape connecting portion (71) and slides up and down along chute (61).
4. the range controlling mechanism of a kind of electric rolling door of stating according to claim 3, it is characterized in that: described tensioned portion (4) is for being located at the fixed pulley on the rolling door doorframe (1).
5. according to the range controlling mechanism of claim 1 or 2 or 3 or 4 described a kind of electric rolling doors, it is characterized in that: described power transmission shaft is shaped on screw thread on (2), and described fly rope (3) solderless wrapped connection is in screw thread.
6. according to the range controlling mechanism of claim 1 or 2 or 3 or 4 described a kind of electric rolling doors, it is characterized in that: described limit switch (5) is the travel switch of point contact type.
7. according to the range controlling mechanism of claim 1 or 2 or 3 or 4 described a kind of electric rolling doors, it is characterized in that: described limit switch (5) for induction type near switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201895181U CN201671524U (en) | 2010-05-13 | 2010-05-13 | Stroke control mechanism of electric rolling door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201895181U CN201671524U (en) | 2010-05-13 | 2010-05-13 | Stroke control mechanism of electric rolling door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201671524U true CN201671524U (en) | 2010-12-15 |
Family
ID=43328936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201895181U Expired - Lifetime CN201671524U (en) | 2010-05-13 | 2010-05-13 | Stroke control mechanism of electric rolling door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201671524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882481A (en) * | 2017-11-16 | 2018-04-06 | 肇庆高新区徒瓦科技有限公司 | The safety-door device of Self-service Library |
-
2010
- 2010-05-13 CN CN2010201895181U patent/CN201671524U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882481A (en) * | 2017-11-16 | 2018-04-06 | 肇庆高新区徒瓦科技有限公司 | The safety-door device of Self-service Library |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101215 Effective date of abandoning: 20120606 |