CN1273068C - Lifting/lowering mechanism for mosquito-net - Google Patents
Lifting/lowering mechanism for mosquito-net Download PDFInfo
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- CN1273068C CN1273068C CN 02128799 CN02128799A CN1273068C CN 1273068 C CN1273068 C CN 1273068C CN 02128799 CN02128799 CN 02128799 CN 02128799 A CN02128799 A CN 02128799A CN 1273068 C CN1273068 C CN 1273068C
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- wheel
- halliard
- mosquito net
- pulley
- lifting
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Abstract
The present invention relates to a lifting mechanism used for lifting a mosquito net, which can also be used as a synchronous lifting device of a soft object, such as a curtain, etc., or a plurality of dispersion objects. The lifting mechanism is composed of a driving device, a braking device, noose wheels, a plurality of lifting ropes with the same number of the requisite traction points of the mosquito net, pulley wheels with the same number of the lifting ropes, and rope clamping wheel pairs which are arranged on the peripheries of the noose wheels and have the same number equal to the number of the lifting ropes; each rope clamping wheel pair is composed of fixed wheels and a rope pressing wheel group. The rope pressing wheel clamps and presses the lifting ropes on the fixed wheels, and each fixed wheel is connected by constant speed transmission devices. The lifting mechanism of the present invention is characterized in that the lifting mechanism has high reliability; the phenomenon that fault occurs when the noose wheel can not be synchronously pulled out by the lifting ropes because part of lifting ropes lose traction during the period that the lifting ropes drop can not occur; inconvenience and maintenance expenses caused by the fault are greatly reduced for users.
Description
Technical field
The present invention relates to be used for a kind of elevating mechanism of Mosquito net with height adjustable function, also can make the elevating mechanism of lifting curtain.
Background technology
The elevating mechanism of existing Mosquito net with height adjustable function has a variety of, wherein with the fairly simple practicality of elevating mechanism of No. 96245927.5 patents of my design, but when stating patent on the implementation, I find that still there is an important disadvantages in this elevating mechanism: when mosquito net lands, halliard all is to rely on the deadweight traction of mosquito net and the flangeway that is drawn out the strand cable wheel, if (certain position that this situation more easily occurs in mosquito net is unexpectedly by the foreign matter support or collude extension and can not land to have one or several halliard to lose the traction of mosquito net deadweight, perhaps halliard play because of child and the binding of reason such as washing and mosquito net separated) cause each bar halliard synchronously not pulled out from the strand cable wheel, be easy to cause the halliard that loses tractive force loose and deviate from the flangeway of strand cable wheel or the strand cable that rewind back and take turns and " disorder cable " fault occurs like this, after " disorder cable " fault takes place, each bar halliard can be mutually or is tangled with the strand cable wheel and take off groove and lose correct connecting relation with the strand cable wheel, makes the elevating mechanism cisco unity malfunction.
Summary of the invention
The objective of the invention is to improve above-mentioned mosquito net elevating mechanism, provide a kind of and guarantee that therein a few of halliard lose and all can come in and go out synchronously under the situation of tractive force and the mosquito net elevating mechanism of " disorder cable " fault can not occur.
Design of the present invention is: the parts of forming this mechanism have, drive unit and brake apparatus, the strand cable wheel, many halliards that equate with the necessary towing point quantity of mosquito net, the pulley that equates with halliard bar number, above-mentioned each parts configuration relation each other is, drive unit and brake apparatus connect with the strand cable wheel with gear drive or belt transmission or with the mode of through-drive, one end of each bar halliard is attached in the flangeway of strand cable wheel, the other end links through sagging towing point with mosquito net behind the pulley respectively, being provided with quantity at the periphery of strand cable wheel, to equal the folder rope sheave of bar number of halliard right, the folder rope sheave is to being made up of fast pulley and press rope wheel, press rope wheel the halliard cramping on fast pulley; Connect with the constant speed transmission device between each fast pulley; The axle of press rope wheel is contained on the press rope wheel frame, and the press rope wheel frame can be around another axle swing, is connected spring between press rope wheel frame and support, produces elastic force by spring and acts on the press rope wheel frame press rope wheel is pressed in halliard on the fast pulley.
Above-mentioned constant speed transmission device is pinion of the coaxial connection of each fast pulley, and each pinion all meshes with an idler gear.Idler gear and strand cable wheel is coaxial to connect firmly or rubs and connect.
The constant speed transmission device can be that each fast pulley connects a belt pulley, connects with belt between each belt pulley.
The strand cable wheel is one or more coaxial circle wheel, wheel rim should have groove, bottom land has hole or the hook that links rope, can on the axle center, rotate, the axle center is positioned on the mosquito net frame or on the building, one end of halliard is attached at the bottom land of strand cable wheel, the other end be respectively radial scatter and through sagging naturally behind the pulley of each position of support and with the towing point binding of mosquito net; Driving and brake apparatus connect with the strand cable wheel directly or indirectly, its effect is to provide rotary power and brake force to the strand cable wheel, can be the transmission mechanism of motor and band brake device or device and the hand control braking device that manpower is converted to rotary power; The purpose that strand cable wheel is connected with idler gear is in order to prevent that most of halliards from losing that the frictional force between a small amount of halliard and fast pulley is not enough to pull out the halliard that loses traction when drawing, and guarantees that any halliard does descending motion and can both affect whole fast pulley rotations.Comparatively simple method be with idler gear and strand cable take turns coaxial be connected or rub connect.
Operation principle of the present invention is, when the strand cable wheel is driven in rotation, halliard is reeled in the strand cable wheel, the halliard lower end is moved upward and drive with the mosquito net of its binding and rise, when the strand cable wheel loses driving and braking, the deadweight traction halliard of mosquito net moves downward, make halliard be pulled out and drive the folder rope sheave to rotating from the strand cable wheel, because all fast pulleys all link together by certain constant speed kind of drive, therefore all fast pulleys all are that constant speed is rotated, even partly halliard loses tractive force, this partly halliard fast pulley friction that also can be rotated pull out the groove of strand cable wheel, avoided this partly halliard take off groove or by the back-roll of strand cable wheel and " disorder cable " fault takes place.
The present invention compares with the elevating mechanism of No. 96245927.5 patents, advantage is that reliability is much higher, inconvenience that improper or accidentalia causes because of user's working service fault and fault bring to the user and the maintenance cost that produces have been significantly reduced, so improved the quality of product significantly, more helped commercial achieving success.
Description of drawings
Fig. 1 is the driving of embodiment one and brake apparatus, strand cable wheel, halliard, pulley, fast pulley and the parts and the assembly relation schematic diagram (front view) of the device of constant speed transmission mutually;
Fig. 2 is the strand cable wheel, halliard, pulley, press rope wheel, fast pulley of embodiment one, two, three and the parts and the assembly relation schematic diagram (plane) thereof of constant speed transmission device each other;
Fig. 3 is the driving of embodiment two and brake apparatus, strand cable wheel, halliard, pulley, fast pulley and the parts and the assembly relation schematic diagram (front view) of the device of transmission mutually;
Fig. 4 is the driving of embodiment three and brake apparatus, strand cable wheel, halliard, pulley, fast pulley and the parts and the assembly relation schematic diagram (front view) of the device of constant speed transmission mutually;
The specific embodiment
Embodiment one:
In Fig. 1 and Fig. 2, the title and the numbering of each parts are: driving wheel 1, strand cable wheel 2, halliard 3, idler gear 4, fast pulley 5, pinion 6, pulley 7, drag-line 8, guy cable pulley 9, braking tooth bar 10, brake axle 11, spragging gear 12, spragging gear stop dropping iron wire 13, press rope wheel 14, press rope wheel frame 15, spring 16;
Described drive unit is made up of driving wheel 1, drag-line 8 and guy cable pulley 9, described brake apparatus is made up of braking tooth bar 10, brake axle 11, spragging gear 12, the spragging gear iron wire 13 that stops dropping, described folder rope sheave is to being made up of fast pulley 5, press rope wheel 14, press rope wheel frame 15, spring 16, and the device of mutual transmission is made up of pinion 6, idler gear 4 between the described fast pulley.
Each fast pulley 5 is coaxial to be fixed with a pinion 6, between each pinion 6 by idler gear 4 engaged transmission, idler gear 4 can with strand cable take turns 2 coaxial connect firmly or rub connect also and can not connect.
The axle of press rope wheel 14 is contained in to be made one and can be connected with spring 16 between support and press rope wheel frame 15 around the escapement of another swing on the press rope wheel frame 15, the elastic force of spring 16 makes press rope wheel 14 be pressed in halliard 3 on the fast pulley 5.
The operation principle of present embodiment is, the operator spurs drag-line 8 downwards and it is pulled out in the groove of driving wheel 1 and drives driving wheel 1 and strand cable wheel 2 rotates, the strand cable wheel 2 that rotates goes into halliard 3 coilings in its groove to make the lower end of halliard 3 do ascending motion, otherwise, when the operator loosens drag-line 8, each bar halliard 3 is pulled out in the groove of strand cable wheel 2 under the traction of mosquito net deadweight, and drag-line 8 is gone in the groove of driving wheel 1 by back-roll again; When mosquito net rises in a certain position, drag-line 8 abutted against spragging gear 12 and upwards move and spragging gear 12 is scrolled up along braking tooth bars 10 by friction drag-line 8 is pressed on the brake axle after several millimeters, prevented drag-line 8 to continue to move upward, thereby the big more spragging gear of the pulling force that drag-line 8 makes progress is to its pressure big more braking purpose that reaches just; Do not connect as idler gear 4 with strand cable wheel 2, no matter then the pressure of press rope wheel 14 will be done ascending motion or descending motion to halliard 3 greatly, the capital produces enough frictional force rotates fast pulley 5 and press rope wheel 14, because the gearing of pinion 6 and idler gear 4, the rotation of all fast pulleys 5 all is synchronous, if one or several halliard 3 loses tractive force and can not do the landing motion on one's own initiative when doing descending motion, the fast pulley 5 that rotates can be pulled out it groove of strand cable wheel 2, thereby has prevented " disorder cable " fault; If idler gear 4 and strand cable take turns 2 coaxial connect firmly or rub connect, then the pressure of press rope wheel 14 is lighter, when guaranteeing that mosquito net descends can the halliard 3 that loses tractive force pull out line cable pulley 2 again can be when mosquito net rises halliard 3 can be like a cork the folder rope sheave on slide and be advisable.
Embodiment two:
Referring to Fig. 3 and Fig. 2, the difference of embodiment two and embodiment one is to replace pinions 6 with belt pulley 17, replaces idler gears 4 with belt 18, and belt 18 links up each belt pulley 17; Belt pulley 17 preferably has belt grooves, and bottom land should have tooth, and 18 of belts are the tooth bar belts that cooperates with it.
The operation principle of present embodiment is identical with embodiment one, no longer repeats.
Embodiment three:
Referring to Fig. 4 and Fig. 2, the title and the numbering of each parts are: strand cable wheel 2, halliard 3, idler gear 4, fast pulley 5, pinion 6, pulley 7, press rope wheel 14, press rope wheel frame 15, spring 16, motor 19, worm screw 20, worm gear 21.
Described drive unit and brake apparatus are made up of motor 19, worm screw 20, worm gear 21, the output shaft of motor 19 and worm screw 20 coaxial connecting firmly, worm screw 20 constitutes worm gearing with worm gear 21, and worm gear 21 is taken turns 2 coaxial connecting firmly with pinion 6 coaxial connecting firmly, idler gear 4 with strand cable; Described folder rope sheave is to being made up of fast pulley 5, press rope wheel 14, press rope wheel frame 15, spring 16, the axle of press rope wheel 14 is contained in makes an escapement on the press rope wheel frame 15, be connected with spring 16 between support and press rope wheel frame 15, the elastic force of spring 16 makes press rope wheel 14 be pressed in halliard 3 on the fast pulley 5; Between the described fast pulley mutually the device of transmission form by pinion 6, idler gear 4, each fast pulley 5 is coaxial to connect firmly a pinion 6, between each pinion 6 by idler gear 4 engaged transmission.
The operation principle of present embodiment is, motor 19 is just transferring to drive and the worm gear 21 coaxial pinions that connect firmly 6 rotations and then drive idler gear 4 and 2 rotations of strand cable wheel by worm gearing, the strand cable wheel 2 that rotates goes into halliard 3 coilings in its groove to make the lower end of halliard 3 do ascending motion, after motor outage,, worm gear 21 reaches the purpose of preventing mosquito net to land automatically because can not reverse drive stopping operating strand cable wheel 2; When motor 19 counter-rotatings, because the gearing of pinion 6 and idler gear 4, the rotation of all fast pulleys 5 all is synchronous, if one or several halliard 3 loses tractive force and can not do the landing motion on one's own initiative when doing descending motion, the fast pulley 5 that rotates can be pulled out it groove of strand cable wheel 2, thereby has prevented " disorder cable " fault.
Claims (4)
1. a kind of elevating mechanism that is used for Mosquito net with height adjustable function, the parts of forming this mechanism have, drive unit and brake apparatus, the strand cable wheel, many halliards that equate with the necessary towing point quantity of mosquito net, the pulley that equates with halliard bar number, above-mentioned each parts configuration relation each other is, drive unit and brake apparatus connect with the strand cable wheel with gear drive or belt transmission or with the mode of through-drive, one end of each bar halliard is attached in the flangeway of strand cable wheel, the other end links through sagging towing point with mosquito net behind the pulley respectively, it is characterized in that:
Being provided with quantity at the periphery of strand cable wheel, to equal the folder rope sheave of bar number of halliard right, and the folder rope sheave is to being made up of fast pulley and press rope wheel, press rope wheel the halliard cramping on fast pulley;
Connect with the constant speed transmission device between each fast pulley;
The axle of press rope wheel is contained on the press rope wheel frame, and the press rope wheel frame can be around another axle swing, is connected spring between press rope wheel frame and support, produces elastic force by spring and acts on the press rope wheel frame press rope wheel is pressed in halliard on the fast pulley.
2. a kind of elevating mechanism that is used for Mosquito net with height adjustable function according to claim 1 is characterized in that, pinion of the coaxial connection of each fast pulley, each pinion all mesh with an idler gear.
3. a kind of elevating mechanism that is used for Mosquito net with height adjustable function according to claim 2 is characterized in that, idler gear and strand cable wheel is coaxial to connect firmly or rub and connect.
4. a kind of elevating mechanism that is used for Mosquito net with height adjustable function according to claim 1 is characterized in that, described transmission device is that each fast pulley connects a belt pulley, connects with belt between each belt pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02128799 CN1273068C (en) | 2001-10-08 | 2002-08-15 | Lifting/lowering mechanism for mosquito-net |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01265340.3 | 2001-10-08 | ||
| CN01265340 | 2001-10-08 | ||
| CN 02128799 CN1273068C (en) | 2001-10-08 | 2002-08-15 | Lifting/lowering mechanism for mosquito-net |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1418591A CN1418591A (en) | 2003-05-21 |
| CN1273068C true CN1273068C (en) | 2006-09-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02128799 Expired - Fee Related CN1273068C (en) | 2001-10-08 | 2002-08-15 | Lifting/lowering mechanism for mosquito-net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1273068C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100444766C (en) * | 2004-06-15 | 2008-12-24 | 邱林 | Tractor for liftable mosquito net |
| CN101077761B (en) * | 2007-07-08 | 2011-11-02 | 邱林 | Low undesired sound extension apparatus used for Lifting/lowering mosquito net |
| CN106348191B (en) * | 2016-11-15 | 2018-08-14 | 冯耀明 | A kind of compact mosquito net lifter |
| CN106365067B (en) * | 2016-11-15 | 2018-08-14 | 冯耀明 | A kind of ring body formula mosquito net lifter |
| CN106395657B (en) * | 2016-11-15 | 2018-11-20 | 冯耀明 | A kind of self-positioning lifting device |
| CN112120478A (en) * | 2020-10-27 | 2020-12-25 | 邱林 | Self-lifting mosquito net support with cable wheel |
-
2002
- 2002-08-15 CN CN 02128799 patent/CN1273068C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1418591A (en) | 2003-05-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20100815 |