CN201486445U - Curtain lock - Google Patents
Curtain lock Download PDFInfo
- Publication number
- CN201486445U CN201486445U CN2009201857844U CN200920185784U CN201486445U CN 201486445 U CN201486445 U CN 201486445U CN 2009201857844 U CN2009201857844 U CN 2009201857844U CN 200920185784 U CN200920185784 U CN 200920185784U CN 201486445 U CN201486445 U CN 201486445U
- Authority
- CN
- China
- Prior art keywords
- free gear
- tooth
- tumbler
- flank
- gear
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a curtain lock, which comprises a lock shell with an inner cavity. A free gear and a rotating part are arranged in the lock shell; the central axis direction of the free gear is substantially parallel to the rotation axis direction of the rotating part; the inner surface of a side wall of the lock shell is provided with a toothed surface on which the free gear can roll up and down; the teeth of the toothed surface are arranged to be matched with the teeth of the free gear; when the free gear is in a clamped state, the free gear is clamped between the rotating part and the toothed surface; and when the free gear is in a loose state, the free gear is separated from the rotating part or the toothed surface; and the two ends of the rotating part are connected to the lock shell by bearings. The rotating part resists a small rolling friction force during the rotation, so a stay can be operated easily with a small force; the heat generated by friction is so little as not to influence the normal service life of the lock shell; and the rotating noise is low because of the small friction force during the rotation of the rotating part, so the influence on the surroundings is avoided.
Description
Technical field
The utility model relates to a kind of window curtain lockset, is specifically related to a kind of window curtain lockset that is used to locate stay cord on the curtain.
Background technology
In the prior art, referring to shown in Figure 5, lockset shell 1 ' has inner chamber 2 ', be provided with two engageable gears in the lockset shell 1 ', a gear 3 ' is located in the lockset shell 1 ' rotationally by turning cylinder 7 ', another gear 4 ' is located in the lockset shell 1 ' versatilely, has the flank of tooth 5 ' on the inside wall of lockset shell 1 ', the setting that is meshed with the tooth of free gear 4 ' of the tooth of the flank of tooth 5 ', pass the stay cord 6 ' of curtain between transmitting gear 3 ' and the free gear 4 ', stay cord 6 ' drives free gear 4 ' and goes up scroll-up/down at the flank of tooth 5 ', and free gear 4 ' has clamped condition and releasing orientation, when free gear 4 ' is in clamped condition, this free gear 4 ' is stuck between the transmitting gear 3 ' and the flank of tooth 5 ', then stay cord 6 ' is clamped between transmitting gear 3 ' and the free gear 4 ', as shown in Figure 5, is drawn in the location corresponding to curtain; When free gear 4 ' was in releasing orientation, this free gear 4 ' was separated with transmitting gear 3 ', and stay cord 6 ' is released, and free gear 4 ' falls to the bottom of lockset shell 1 ', and this moment, curtain was unfolded.When drawing curtain in, spur stay cord 6 ' downwards, stay cord 6 ' is being with transmitting gear 3 ' to go up quick rotation at turning cylinder 7 ', simultaneously, driving free gear 4 ' scrolls up along the flank of tooth 5 ', dependence has the elastic deformation of the sidewall of the flank of tooth 5 ', and the engagement by tooth, the tooth of free gear 4 ' is stuck between the teeth groove of the teeth groove of transmitting gear 3 ' and the flank of tooth 5 ', stay cord 6 ' clamping and positioning, turning cylinder 7 ' adopts rivet, and transmitting gear 3 ' is enclosed within to be realized on the rivet rotating, when downward pulling stay cord 6 ' when drawing curtain in, transmitting gear 3 ' stressed going up at turning cylinder 7 ' rotated, frictional force between transmitting gear 3 ' and the turning cylinder 7 ' rivet is bigger, can send ear-piercing sound when then transmitting gear 3 ' rotates, and destroys the peacefulness of dwelling environment.Frictional heat between transmitting gear 3 ' and the turning cylinder 7 ', lockset shell 1 ' adopts plastic material usually, when spurring stay cord 6 ' fast energetically, can emit a large amount of heat between transmitting gear 3 ' and the turning cylinder 7 ' rivet, make 1 ' deliquescing of lockset shell or fusing, deformation easily, then the application life of this lockset is short.For overcoming the frictional force between transmitting gear 3 ' and the turning cylinder 7 ' rivet, need to drive the quick rotation of transmitting gear 3 ' with very big power pulling stay cord 6 ', then the stay cord pull-up is required great effort.
Summary of the invention
The purpose of this utility model be to provide a kind of stay cord operate laborsaving, sound is little and the window curtain lockset of long service life.
In order to reach above purpose, the technical solution adopted in the utility model is: a kind of window curtain lockset, comprise lockset shell with inner chamber, be provided with a free gear and a tumbler in the described lockset shell, the central axial direction of described free gear is substantially parallel with the rotational axis line direction of described tumbler, having on the inside surface of side wall of described lockset shell can be for the flank of tooth of described free gear scroll-up/down, the setting that is complementary of the tooth of the described flank of tooth and the tooth of described free gear, described free gear has clamped condition and releasing orientation, when described free gear was in clamped condition, this free gear was clamped between the described tumbler and the described flank of tooth; When described free gear was in releasing orientation, this free gear and described tumbler or the described flank of tooth were separated, and the two ends of described tumbler all are connected on the described lockset shell by bearing.
Described tumbler is a working of plastics.
The end of described tumbler is fixed in the inner ring of described bearing, and the outer ring of described bearing is fixed on the described lockset shell.
Because the utility model has adopted above technical scheme, its advantage is: the end of tumbler is connected on the lockset shell by bearing, the friction that is overcome when then tumbler rotates is rolling friction, force of rolling friction is little, then the stay cord pull-up drive the pulling force of tumbler quick rotation also can be less, it is laborsaving light to be that stay cord operates, and the heat of tumbler friction heat release when rotating is also less, can not influence the normal application life of lockset shell, less frictional force made that the rotation sound is also less when tumbler rotated, and avoided influencing surrounding enviroment.
Description of drawings
Accompanying drawing 1 is a stereogram one of the present utility model;
Accompanying drawing 2 is a stereogram two of the present utility model;
Accompanying drawing 3 is a sectional view one of the present utility model, and wherein free gear is stuck between the tumbler and the flank of tooth;
Accompanying drawing 4 is a sectional view two of the present utility model, and wherein free gear and tumbler are separated;
Accompanying drawing 5 is the sectional view of window curtain lockset in the prior art.
Wherein: 1 ', lockset shell; 2 ', inner chamber; 3 ', gear; 4 ', free gear; 5 ', the flank of tooth; 6 ', stay cord; 7 ', turning cylinder; 1, lockset shell; 2, inner chamber; 3, Connection Block; 5, the flank of tooth; 6, tumbler; 7, free gear; 8, carriage; 9, opening; 10, stay cord; 13, inner ring; 14, outer ring; 15, bearing.
The specific embodiment
Further set forth concrete structure of the present utility model below in conjunction with accompanying drawing.
Shown in Fig. 1-4, a kind of window curtain lockset, its lockset shell 1 has inner chamber 2, the top of lockset shell 1 has and is used for fixing the Connection Block 3 that lockset is installed, lockset shell 1 around have four sidewalls, be connected with tumbler 6 between two sidewalls that are oppositely arranged, the two ends of tumbler 6 all are connected on the sidewall of lockset shell by bearing 15, one of them inside surface of side wall is processed into the flank of tooth 5 on two other sidewall, the tooth of the flank of tooth 5 is arranged continuously along above-below direction, in the present embodiment, as Fig. 1 or shown in Figure 2, the end of tumbler 6 is fixed in the inner ring 13 of bearing, and the outer ring 14 of bearing is fixed on the sidewall of lockset shell, the frictional force that tumbler 6 overcomes when rotating is force of rolling friction, and its frictional force is very little.In the inner chamber 2 of lockset shell 1 free gear 7 is arranged, the rotational axis line direction of tumbler 6 parallels with the central axial direction of free gear 7, and tumbler 6 setting that is meshed with the tooth of free gear 7, the setting that is meshed with the tooth of the flank of tooth 5 of the tooth of free gear 7, therefore free gear 7 can be on the flank of tooth 5 scroll-up/down, between the flank of tooth 5 and the tumbler 6 suitable spatial accommodation is arranged, this spatial accommodation is used to receive free gear 7.Carriage 8 is arranged at the bottom of lockset shell 1, this carriage 8 is used for support free gear 7, between lockset shell 1 upper top and the sidewall opening 9 is arranged, this opening 9 is connected with inner chamber 2, stay cord 10 enters inner chamber 2 from opening 9, passes the gap between free gear 7 and the tumbler 6, passes from the bottom of lockset shell 1, the end that passes is for people's hand operation, and the other end of stay cord 10 is connected with weight.Free gear 7 has two states-clamped condition and releasing orientation, and when free gear 7 was in clamped condition, free gear 7 was stuck between the tumbler 6 and the flank of tooth 5; When free gear 7 was in releasing orientation, this free gear 7 was separated with tumbler 6, and the conversion between free gear 7 two states realizes by operation stay cord 10.Spur stay cord 10 downwards, curtain is drawn in, stay cord 10 drives tumbler 6 and rotates, driving free gear 7 simultaneously scrolls up along the flank of tooth 5, when free gear 7 has been rolled into just and the flank of tooth 5 and tumbler 6 are in contact, because forming the sidewall of the flank of tooth 5 is to be made by working of plastics, has higher elastic deformation ability, deformation can take place in the flank of tooth 5 or the sidewall that has a flank of tooth 5, cause gear 7 under effect of inertia, to continue to scroll up, tooth until gear 7 is stuck between the teeth groove and tumbler of the flank of tooth 5, clamps by deformation, and free gear 7 can stably be stuck between the flank of tooth 5 and the tumbler 6, this moment, stay cord 10 was clamped between free gear 7 and the tumbler 6, the fixed-site of stay cord 10, then curtain also is in stable rounding state, as shown in Figure 3.Owing to be connected by bearing between tumbler 6 and the lockset shell 1, force of rolling friction is very little, it is also less that then stay cord 10 pull-ups drive the pulling force of tumbler 6 quick rotation, it is laborsaving to be that stay cord 10 operates, and the heat of tumbler 6 friction heat release when rotating is also less, can not influence the application life of lockset shell, less frictional force made that the rotation sound is also less when tumbler 6 rotated, and avoided influencing surrounding enviroment.After stay cord 10 clamping and positioning, give stay cord 10 1 active forces again, tooth and the flank of tooth 5, the tumbler 6 of gear 7 are separated, then free gear 7 falls under the effect of gravity, drop down onto on the carriage 8 of lockset shell 1 bottom, then stay cord is released, and this action of gravity in weight of curtain launches down, as shown in Figure 4.
Tumbler 6 is a working of plastics, working of plastics is processed into cylindrical shape, be connected between the two lateral walls of lockset shell 1, then on the one hand, the elastic deformation ability of working of plastics is strong, deformation takes place with the sidewall that has the flank of tooth 5 in tumbler 6, making gear 7 overcome deformation power under effect of inertia scrolls up, until being stuck between the tumbler 6 and the flank of tooth 5, tumbler 6 makes gear 7 block with the deformation power of the flank of tooth 5 with being stabilized, on the other hand, tumbler 6 adopts plastic material, processing cost is low, and is in light weight, and stay cord 10 operates more light.
Claims (3)
1. window curtain lockset, comprise lockset shell with inner chamber, be provided with a free gear and a tumbler in the described lockset shell, the central axial direction of described free gear is substantially parallel with the rotational axis line direction of described tumbler, having on the inside surface of side wall of described lockset shell can be for the flank of tooth of described free gear scroll-up/down, the setting that is complementary of the tooth of the described flank of tooth and the tooth of described free gear, described free gear has clamped condition and releasing orientation, when described free gear was in clamped condition, this free gear was clamped between the described tumbler and the described flank of tooth; When described free gear was in releasing orientation, this free gear and described tumbler or the described flank of tooth were separated, and it is characterized in that: the two ends of described tumbler all are connected on the described lockset shell by bearing.
2. a kind of window curtain lockset according to claim 1 is characterized in that: described tumbler is a working of plastics.
3. a kind of window curtain lockset according to claim 1 is characterized in that: the end of described tumbler is fixed in the inner ring of described bearing, and the outer ring of described bearing is fixed on the described lockset shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201857844U CN201486445U (en) | 2009-07-08 | 2009-07-08 | Curtain lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201857844U CN201486445U (en) | 2009-07-08 | 2009-07-08 | Curtain lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201486445U true CN201486445U (en) | 2010-05-26 |
Family
ID=42425327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201857844U Expired - Fee Related CN201486445U (en) | 2009-07-08 | 2009-07-08 | Curtain lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201486445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533269A (en) * | 2014-11-06 | 2015-04-22 | 杭州万事达装饰用品有限公司 | Single-rope shutters |
-
2009
- 2009-07-08 CN CN2009201857844U patent/CN201486445U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104533269A (en) * | 2014-11-06 | 2015-04-22 | 杭州万事达装饰用品有限公司 | Single-rope shutters |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20110708 |