CN208595208U

CN208595208U - It is a kind of being hampered for two-way installation stop transmission system

Info

Publication number: CN208595208U
Application number: CN201820996019.XU
Authority: CN
Inventors: 林建冰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-12
Filing date: 2018-06-27
Publication date: 2019-03-12
Anticipated expiration: 2028-06-27

Abstract

It is a kind of being hampered for two-way installation stop transmission system, including motor, transmission system and minor sprocket；The chainlet wheel drive curtain door uplink and downlink, the motor are rotated by transmission system drives minor sprocket；The transmission system is equipped with drive shaft and clutch discs, and the drive shaft is connected to motor and rotates synchronously with motor；The utility model provide it is a kind of being hampered for two-way installation stop transmission system, due to designing protrusion slot at the center of minor sprocket, and axial tooth and anti-axial tooth are designed between minor sprocket and clutch discs, utilize the cooperation of axial tooth and anti-axial tooth, control minor sprocket can be thus achieved and relative displacement occurs for clutch discs, to trigger microswitch, control motor stops or reversion；During installation, it is also not required to consider motor position and adjust the positions of minor sprocket and clutch discs, either left-hand installation or dextrad installation can operate normally, and realization, which is hampered, to stop or be hampered reverse function.

Description

It is a kind of being hampered for two-way installation stop transmission system

Technical field

The utility model relates to mechanical transmission fields more particularly to the power trains of roller shutter door machine.

Background technique

In traditional mechanical transmission fields, especially in the drive line of rolling screen door, the installation for different steerings is needed Demand provides the i.e. stop mechanism that is hampered respectively, and which not only improves production costs, while being also easy to cause to be mounted to mistake, be mounted to The high problem of this height, maintenance cost.

In order to overcome the above problem, the technology of there is now provides a kind of transmission system for being hampered and stopping, which is in electricity Clutch discs and sprocket wheel are devised on machine output shaft, using clutch tray joint shaft and minor sprocket when relatively rotating, clutch discs Axial displacement triggers microswitch, realizes control motor reversal；Defect is: the transmission system is when carrying out deflecting installation (installation requirements for switching steering) carry out the position of dismounting adjustment clutch discs and sprocket wheel, to change installation direction (by a left side Installation is switched to right installation, or is switched to left installation by right installation), it is just able to achieve to be hampered and stops function, therefore install more numb It is tired；The door roller that transmission system has been installed in part then needs to install after dismantling corresponding component, inconvenient to use.

Summary of the invention

In order to overcome the above problem, the utility model, which provides one kind and is hampered, stops transmission system, can be not required to dismantle to realize Can switching right and left installation, and can stable realization be hampered and stop or be hampered reverse function.

To achieve the above object, the technical solution that the utility model provides is:

It is a kind of being hampered for two-way installation stop transmission system, including motor, transmission system and minor sprocket；The minor sprocket Curtain door uplink and downlink is driven, the motor is rotated by transmission system drives minor sprocket；The transmission system be equipped with drive shaft and from Disk is closed, the drive shaft is connected to motor and rotates synchronously with motor；The clutch discs are placed in drive shaft and and drive shaft It rotates synchronously, and axial displacement can occur on the driving shaft；Circumferentially arranged with two or more in the disk of the clutch discs Axial tooth, circumferentially arranged with two or more anti-axial tooths on the wheel face of the minor sprocket；The axial tooth and rotary-inversion axis It is mutually matched to tooth, when minor sprocket is relatively rotated with counter clockwise direction along clockwise direction with clutch discs, passes through axial tooth It mutually interacts and abuts against with anti-axial tooth, and be subjected to displacement clutch discs in the axial direction relative to minor sprocket.

At least there are two rotary-inversion axis to tooth position in the rotary motion trace of axial tooth, and is located at the two sides of axial tooth, institute The two sides for stating axial tooth are inclined-plane, when so that the anti-axial tooth of the axial tooth two sides being subjected to displacement along axial tooth inclined-plane, from It closes disk and relative displacement occurs with minor sprocket in the axial direction.

At least there are two axial tooths to be located in the rotary motion trace of anti-axial tooth, and be located at the two sides of anti-axial tooth, The two sides of the anti-axial tooth are inclined-plane, so that the axial tooth of the anti-axial tooth two sides is subjected to displacement along anti-axial tooth inclined-plane When, with minor sprocket relative displacement occurs for clutch discs in the axial direction.

The minor sprocket is equipped with one or more switching slot or switching hole on the wheel face far from minor sprocket pivot center；Institute It states drive shaft and is equipped with one or more driving portions, the driving portion protrudes into switching slot or switching hole, so that minor sprocket and drive Moving axis can relatively rotate, and the angular range relatively rotated is restricted.

The clutch discs are equipped with one or more switching slot or switching hole on the wheel face far from clutch discs pivot center；Institute It states drive shaft and is equipped with one or more driving portions, the driving portion protrudes into switching slot or switching hole, so that clutch discs and drive Moving axis can relatively rotate, and the angular range relatively rotated is restricted.

The relative rotation angular range in switching slot or switching hole is greater than switching slot or switching on minor sprocket in the clutch discs The relative rotation angular range in hole.

Above-mentioned technical proposal has the beneficial effect that

The utility model provide it is a kind of being hampered for two-way installation stop transmission system, it is convex due to being designed at the center of minor sprocket Slot out, and axial tooth and anti-axial tooth are designed between minor sprocket and clutch discs, utilize the cooperation of axial tooth and anti-axial tooth To realize that relative displacement occurs for control minor sprocket and clutch discs, to trigger microswitch, control motor stops or reversion；Pacifying It when dress, is also not required to consider motor position and adjust the positions of minor sprocket and clutch discs, either left-hand installation or dextrad installation, It can operate normally, realization, which is hampered, to stop or be hampered reverse function.

It is clearly and completely described below in conjunction with technical solution of the attached drawing to the utility model, it is clear that described implementation Example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, ordinary skill Personnel's every other embodiment obtained without making creative work belongs to the range of the utility model protection.

Detailed description of the invention

Fig. 1 is 1 structural schematic diagram of the utility model embodiment；

Fig. 2 is the structural schematic diagram of 1 transmission system of the utility model embodiment；

Fig. 3 is the structural schematic diagram of 1 clutch discs of the utility model embodiment；

Fig. 4 is the structural schematic diagram of 1 minor sprocket of the utility model embodiment；

Fig. 5 is the front view of 1 minor sprocket of the utility model embodiment；

Fig. 6 is the front view of 1 clutch discs of the utility model embodiment；

Fig. 7 is the structural schematic diagram that the utility model embodiment 4 installs transition wheel；

Fig. 8 is the structural schematic diagram of 4 transition wheel of the utility model embodiment；

Fig. 9 is another structural schematic diagram of 4 transition wheel of the utility model embodiment.

Specific embodiment

Embodiment 1

It is a kind of being hampered for two-way installation stop transmission system, including reel 1(driving mechanism), motor 2(motor) and branch Frame plate 3；The reel 1, motor 2, which are respectively mounted, to be set on supporting plate 3；The motor 2 connects reel by a transmission system 4； The transmission system 4 includes minor sprocket 40 and big sprocket wheel 20, and the minor sprocket 40 and big sprocket wheel 20 are all set on supporting plate 3； The minor sprocket 40 is sequentially connected by chain 21 and big sprocket wheel 20, and the big sprocket wheel 20 is rotated synchronously with reel；

Specifically, the transmission system further includes clutch discs 41 and drive shaft (i.e. motor output shaft in figure), clutch discs 41 It is sleeved on motor output shaft 2, and can be relatively rotated with 2 output shaft of motor；It is opposite with minor sprocket 40 in the clutch discs 41 Axial tooth 410(axial displacement module is provided in side wall surface) and microswitch, there are two the settings of axial tooth 410, axial tooth 410 are arranged around 41 center of clutch discs；Rotary-inversion axis is provided in the side wall surface opposite with clutch discs axial tooth 410 of minor sprocket 40 To tooth 400(axial displacement module), there are four the anti-settings of axial tooth 400, the axial tooth 410 and anti-axial tooth 400 mutual Match, when minor sprocket 40 is relatively rotated with counter clockwise direction along clockwise direction with clutch discs 41, by axial tooth 410 and instead The interaction of 400 phase of axial tooth abuts against, and is subjected to displacement clutch discs 41 in the axial direction relative to minor sprocket 40.

More specifically, the axial tooth 410 is also possible to setting four, four axial tooths are separately positioned on four rotary-inversion axis To between tooth 400.

More specifically, the described setting of axial tooth 410 there are six or six or more；Since rotary-inversion axis is smaller to tooth width, lead to A possibility that crossing such setting, axial tooth and the deformation of anti-axial tooth can be further decreased.

Specifically, at least there are two anti-axial tooths 400 to be located in the rotary motion trace of axial tooth 410, and be located at axis To the two sides of tooth 410, the two sides of the axial tooth 410 are inclined-plane, so that the anti-axial tooth 400 of 410 two sides of the axial tooth When being subjected to displacement along 410 inclined-plane of axial tooth, with minor sprocket 40 relative displacement occurs for clutch discs 41 in the axial direction.

More specifically, cambered surface 411 mutual frictional force and motor 2 output shaft of the rotary-inversion axis to sector face 401 and axial tooth Axis is out of square, when the interaction force of anti-axial tooth 401 and axial tooth 411 is less than axial tooth cambered surface 411 and anti-axial tooth When 401 mutual active force of cambered surface, relative displacement occurs in the axial direction for minor sprocket 40 and clutch discs 41.

More specifically, being additionally provided with resetting-mechanism 5, axial tooth cambered surface 411 and rotary-inversion axis act between each other to sector face 401 From resetting-mechanism, which is used to carry out reset response under no external force in clutch discs 41 power, resets machine Structure 5 can be set between clutch discs 41 and minor sprocket 40, be also possible to be arranged between clutch discs 41 and supporting plate 3；Specifically Ground, the resetting-mechanism 5 can be spring or tension spring.

Specifically, there are two opposite projection key 210(driving portions for setting on the axis on the motor output shaft 21), Clutch discs 41 and minor sprocket 40 are sleeved on motor output shaft 21, and clutch discs 41 and motor output shaft 21 rotate synchronously, small Sprocket wheel 40 can be relatively rotated with motor output shaft 21 and clutch discs 40.

More specifically, being provided with key mapping slot 412,402(switching slot or switching in the clutch discs 41 and minor sprocket 40 Hole), key mapping slot 412,402 is uniformly distributed around the center of circle of clutch discs 41, minor sprocket 40, and the inner wall of key mapping slot 412,402 is set Opposite protrusion slot 413,403 there are two setting；The clutch discs 41 protrude above slot 413 and motor output shaft 21 protrudes above key 210 Match, rotates synchronously clutch discs always with motor output shaft with this；The cambered surface that the minor sprocket protrudes above slot 403 is long Degree is greater than the arc length that motor output shaft 21 protrudes above key 210, enables minor sprocket that phase occurs with motor output shaft with this To rotation, and when turning to range (certain angle), minor sprocket and motor output shaft are rotated synchronously.

More specifically, on the clutch discs 41, minor sprocket 40 key mapping slot 412,402 quantity and motor output shaft 21 On the quantity of projection key 210 can increase or decrease according to demand, it is not limited to two, be also possible to two or more.

Working principle:

When motor 2 is powered, motor 2 is rotated, and driving minor sprocket 40 rotates, while the clutch discs 41 on motor output shaft 21 Also rotate synchronously, minor sprocket 40 drives big sprocket wheel 20 to rotate, and big sprocket wheel 20 passes to spool 1, then control door curtain rise or under Drop.

When door curtain decline meet with obstruction object or resistance when, the still continuous running of motor 2, but door curtain can not downlink, will make small Relatively rotating between sprocket wheel 40 and motor output shaft 21, (stroke of relative rotation depends on the key mapping slot 403 on minor sprocket Arc length), when minor sprocket 40 and motor output shaft 21 relatively rotate, still synchronous with motor output shaft 21 turn of clutch discs 41 It is dynamic, so minor sprocket 40 can also relatively rotate with clutch discs 41；When minor sprocket 40 and clutch discs 41 relatively rotate, in clutch Under the action of axial tooth 410 and anti-axial tooth 401 between disk 41 and minor sprocket 40, clutch discs 41 can overcome resetting-mechanism 5 Active force is subjected to displacement towards minor sprocket 40, to trigger the microswitch on 41 axial displacement stroke of clutch discs, realizes control Motor 2 shuts down or inverts；And after minor sprocket 40 and clutch discs 41 relatively rotate by a certain angle, (i.e. minor sprocket protrudes above slot Maximum arc length), minor sprocket 40 and clutch discs 41, motor output shaft 21 can rotate synchronously again, so can realize either Left-hand installation or dextrad installation, can operate normally.

Embodiment 2

One kind as described in Example 1 being hampered for two-way installation stop transmission system, it is described at least to there are two axial directions Tooth position is located at the two sides of anti-axial tooth in the rotary motion trace of anti-axial tooth, and the two sides of the anti-axial tooth are oblique Face, when so that the axial tooth of the anti-axial tooth two sides being subjected to displacement along anti-axial tooth inclined-plane, clutch discs in the axial direction with chainlet Relative displacement occurs for wheel.Axial tooth is set that is, can be on minor sprocket, anti-axial tooth is set in clutch discs, it can also So that relative displacement can occur in the axial direction for clutch discs and minor sprocket.

Embodiment 3

One kind as described in Example 1 being hampered for two-way installation stop transmission system, the clutch discs and minor sprocket By punch forming, due to the design of the utility model, the requirement to clutch discs and minor sprocket intensity and hardness can be reduced, therefore can be straight It connects and is integrally formed using punching press, reduce production cost.

The transmission principle of the prior art be by clutch dish driving minor sprocket, then by chainlet wheel drive rolling screen door rising or Decline, clutch discs and minor sprocket are both needed to carry biggish load, so more demanding to the bulk strength of minor sprocket and clutch discs； The utility model is directly to directly drive minor sprocket, chainlet wheel drive reel by drive shaft, and entire drive system avoids clutch discs, The effect that clutch discs are played carrys out the control to microswitch merely by axial displacement, so not needing to entire driving system System undertakes any load.

Embodiment 4

It is additionally provided with transition wheel 42 on the motor output shaft, key mapping slot 420, key mapping slot are also equipped on transition wheel 42 420 are uniformly distributed around the center of circle of transition wheel.

One or more can be set in the key mapping slot 420, specifically, as shown in Figure 8,9, can be set two It is a, it also can be set one.

In rolling screen door unit, the rotatable circle number of range limiter control reel usually can be all set, to realize to volume Curtain up stroke or downward storke are controlled.Currently, the principle of range limiter is that a transition is arranged on motor output shaft Wheel, one gear drive group of redesign and transition wheel engaged transmission, it is real by the control to the gear ratio in gear drive group Now to the control of just turn-take to motor output shaft several and reverse coil number.

In the prior art, it in order to realize that transition wheel and motor output shaft rotate synchronously, needs to install on motor output shaft Corresponding connection structure or corresponding moulding work is arranged in the position of transition wheel, and most of is to realize transition by components such as bolts Wheel is rotated synchronously with motor output shaft, thus will increase processing cost, i.e., latch groove adds on filtering wheel and motor output shaft Work cost, and the intensity of filtering wheel and motor output shaft can be reduced；Either on motor output shaft and transition wheel corresponding position Increase key mapping slot, run through key mapping slot using components such as screw rods, realizes that transition wheel and motor output shaft rotate synchronously, can also increase in this way Add processing cost.

And the design of the application is used, when production, can directly adopt punching press integrated molding as clutch discs and minor sprocket Etc. modes produced, it can reduce subsequent moulding processing operation, reduce production cost, while transition wheel is also ensured And the intensity of motor output shaft.

Claims

1. one kind being hampered for two-way installation stop transmission system, including motor, transmission system and minor sprocket；The minor sprocket drives Dynamic curtain door uplink and downlink, the motor are rotated by transmission system drives minor sprocket；It is driven it is characterized by: the transmission system is equipped with Moving axis and clutch discs, the drive shaft are connected to motor and rotate synchronously with motor；The clutch discs are placed in drive shaft simultaneously It is rotated synchronously with drive shaft, and axial displacement can occur on the driving shaft；Circumferentially arranged with two in the disk of the clutch discs A or above axial tooth, circumferentially arranged with two or more anti-axial tooths on the wheel face of the minor sprocket；The axial direction Tooth is mutually matched with anti-axial tooth, logical when minor sprocket is relatively rotated with counter clockwise direction along clockwise direction with clutch discs It crosses axial tooth and is mutually interacted with anti-axial tooth and abutted against, and be subjected to displacement clutch discs in the axial direction relative to minor sprocket.

2. one kind as described in claim 1 being hampered for two-way installation stop transmission system, it is characterised in that: at least exist two A rotary-inversion axis in the rotary motion trace of axial tooth, and is located at the two sides of axial tooth to tooth position, and the two sides of the axial tooth are Inclined-plane, when so that the anti-axial tooth of the axial tooth two sides being subjected to displacement along axial tooth inclined-plane, clutch discs in the axial direction with chainlet Relative displacement occurs for wheel.

3. one kind as described in claim 1 being hampered for two-way installation stop transmission system, it is characterised in that: at least exist two A axial tooth is located in the rotary motion trace of anti-axial tooth, and is located at the two sides of anti-axial tooth, the two sides of the anti-axial tooth It is inclined-plane, when so that the axial tooth of the anti-axial tooth two sides being subjected to displacement along anti-axial tooth inclined-plane, clutch discs are in the axial direction Relative displacement occurs with minor sprocket.

4. one kind as described in claim 1 being hampered for two-way installation stop transmission system, it is characterised in that: the minor sprocket One or more switching slot or switching hole are equipped on the wheel face far from minor sprocket pivot center；The drive shaft is equipped with one Or multiple driving portions, the driving portion protrude into switching slot or switching hole, allow minor sprocket and drive shaft that opposite turn occurs It is dynamic, and the angular range relatively rotated is restricted.

5. one kind as described in claim 1 being hampered for two-way installation stop transmission system, it is characterised in that: the clutch discs One or more switching slot or switching hole are equipped on the wheel face far from clutch discs pivot center；The drive shaft is equipped with one Or multiple driving portions, the driving portion protrude into switching slot or switching hole, allow clutch discs and drive shaft that opposite turn occurs It is dynamic, and the angular range relatively rotated is restricted.

6. one kind as described in claim 4 or 5 being hampered for two-way installation stop transmission system, it is characterised in that: it is described from It closes the angular range that relatively rotates in switching slot or switching hole on disk and is greater than the relative rotation angle in switching slot or switching hole on minor sprocket Spend range.

7. one kind as claimed in claim 5 being hampered for two-way installation stop transmission system, it is characterised in that: along the driving A group or more of projection keys is provided on the axis of axis, the position that projection key is corresponded in clutch discs and minor sprocket is provided with Key mapping slot.