CN110566067A - Quick stopper of plastic steel aluminum alloy door and window push-and-pull - Google Patents
Quick stopper of plastic steel aluminum alloy door and window push-and-pull Download PDFInfo
- Publication number
- CN110566067A CN110566067A CN201910089964.0A CN201910089964A CN110566067A CN 110566067 A CN110566067 A CN 110566067A CN 201910089964 A CN201910089964 A CN 201910089964A CN 110566067 A CN110566067 A CN 110566067A
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- China
- Prior art keywords
- limiting plate
- guide post
- spring
- adjusting bolt
- window
- 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.)
- Pending
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 16
- 239000004033 plastic Substances 0.000 title claims description 19
- 239000010959 steel Substances 0.000 title claims description 7
- 229910000831 Steel Inorganic materials 0.000 title claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002221 olecranon process Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/60—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith holding sliding wings open
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wing Frames And Configurations (AREA)
Abstract
The invention discloses a plastic-steel-aluminum alloy door and window push-pull quick limiter which comprises a front limiting plate, a rear limiting plate, a guide post, a spring and an anti-falling button, wherein the rear end of the guide post is connected with the front surface of the rear limiting plate, the front end of the guide post penetrates through a guide hole of the front limiting plate, the front end of the guide post is connected with the anti-falling button, the spring is sleeved on the guide post, the rear end of the spring is propped against the front surface of the rear limiting plate, and the front end of the spring is propped against the rear surface of the front limiting plate. The center of the front limiting plate is provided with a threaded hole, an adjusting bolt is installed in the threaded hole, and the length of the adjusting bolt is larger than that of the guide post. The front surface of the rear limiting plate is provided with a blind hole, a clamp spring is installed in the blind hole, the rear end of the adjusting bolt is provided with a raised head, and the raised head can extend into the blind hole and be clamped by the clamp spring. The invention can realize the quick limit of two windows in the window frame, does not need to be fixed, and is very convenient to install and take down.
Description
Technical Field
The invention relates to the technical field of limiting mechanisms or fixing mechanisms of doors and windows, in particular to a plastic-steel aluminum alloy door and window push-pull quick limiter.
Background
At present, plastic-steel aluminum alloy windows generally adopt fixed locks such as lock catches and the like, and the lock only has one fixed position. This lock cannot be implemented when it is desired to stop the window at any position. Some stoppers in order to realize that the window stops at the optional position in the existing market, because need restrict the relative motion of two windows, so generally adopt two stoppers to restrict the motion of two windows respectively, also some stopper that only can restrict two windows simultaneously with one, nevertheless because window track width is inconsistent, need frequently adjust the opening width when the operation is got up, it is more troublesome, can't realize quick location.
application No.: 201310384981.X discloses a push-pull door and window sash limiter and a using method thereof, belongs to the technical field of lock manufacturing, and solves the problem of controlling the size of a closing or opening gap of a push-pull door and window sash. The technical scheme of the invention is as follows: the sliding door and window leaf limiter comprises a lock body, a lock core and a key and is characterized in that a middle hole is formed in the lock body, the rear end of the lock body does not exceed an inner door and window leaf, a fixing plate connected with the lock body into a whole is arranged below the front end of the lock body, a threaded connecting hole is formed in the lock core, a moving plate is arranged at the front end of the lock core, a screw matched with the inner thread of the connecting hole is further matched on the lock core, and a key hole is formed in the rear end of the screw. The anti-theft lock has the characteristics of simple structure, reasonable design and convenient use, can effectively control the size of a closing or opening gap of a door and window sash when being installed on a sliding door and window, plays a role in anti-theft protection, and simultaneously, the rear end of the lock body does not hinder the pulling of a screen door and a screen window.
Application No.: 201410615799.5 discloses a safety limit lock for sliding window, which mainly comprises a lock shell 1, a handle 2, a plug 3, a bayonet 4, a lock core 5, a bolt extending pin 6, a movable sleeve 7 and a folding rod 8, and has two innovative characteristics: firstly, a double-pin structure is adopted, namely an upper bolt and a lower bolt are designed, the upper bolt realizes locking, and the lower bolt realizes limiting. Secondly, the folding rod 8 can be stored, namely can be automatically folded from a horizontal state to a vertical state. The design objective is to replace the crescent moon lock of the existing sliding window, increase the limiting function, hide the limiting folding rod 8, be suitable for residents who live in old houses and want to complement the limiting lock, play the roles of ventilation, theft prevention and child accident falling prevention, and solve the problems of ventilation and theft prevention of the houses which are easy to be careless for the guardianship of children and the old people who are not attended by the old people in the old houses and the grandchildren.
application No.: 201720643636.7 discloses a sliding window limiter, which comprises a sliding width limiting block and a key; the push-pull width limiting block comprises a first limiting block body and a first inner octagonal fastening bolt; the section of the first limiting device body is in a square ring shape with an opening at one side and consists of a first vertical plate, a transverse plate and a second vertical plate which are connected into a whole; a boss facing the first vertical plate is arranged at the bottom end of the second vertical plate, and the distance between the right surface of the boss and the first vertical plate is greater than the width of a guide rail of the sliding window; the bottom end of the first vertical plate is provided with a threaded through hole which is meshed with a first inner octagonal fastening bolt; an octagonal wrench is arranged in the key. The width limiting block is arranged, the structure of the first limiting block body is similar to that of an olecranon structure, the first limiting block body is sleeved on the guide rail, after the window is pushed to a proper position, one side of the first limiting block body hooks the guide rail of the sliding window, the other side of the first limiting block body is fixed oppositely by the first inner octagonal fastening bolt, and the window is limited.
application No.: 201510583180.5 discloses a sliding door and window stopper, which comprises a panel, a shell and a mounting part; a limiting plate, a return spring, an adjusting bolt with an eccentric rod and a push plate with a limiting groove are arranged in the shell; the limiting plate is rotatably arranged in the shell, an acting force is applied to the limiting plate by a return spring, the push plate abuts against the limiting plate, and the eccentric rod is positioned in a limiting groove of the push plate; the panel is provided with a slotted hole matched with the limiting plate. By adopting the structure, the door and window structure is convenient to use, can be installed in doors and windows, and does not influence the appearance and normal use of the doors and windows.
Application No.: 201420321325.5 provides a safety limiting device for austral window, sliding sash includes the window frame, outer window and inner window safety limiting device include the crescent moon that is equipped with on the inner window and detain, be equipped with locking buckle and buckle board on the outer window, a plurality of buckles that are equipped with on the buckle board, the crescent moon is detained including the pedestal, the handle, discount and answer spring, pedestal fixed mounting is on the inner window, handle and discount fixed connection, and handle and discount all articulate on the pedestal, answer the restoring force that the spring provided handle and discount and tend to the locking, buckle board fixed mounting is on the outer window, locking buckle cooperatees the locking austral window with the discount that the crescent moon was detained, the buckle that a plurality of buckles and the crescent moon were detained cooperateed when opening the state to the austral window, sliding sash, this kind of safety limiting device for austral window, sliding sash has convenient to use, safety and reliability, moreover, the steam generator is simple structure.
Compared with the above published documents, the technical scheme of the application is completely different, the technical problems to be solved and the embodied beneficial effects are also different, and the technical inspiration is not provided.
disclosure of Invention
The invention aims to provide a plastic-steel-aluminum alloy door and window push-pull quick limiter which can realize quick limiting of two windows in a window frame, does not need to be fixed and is extremely convenient to mount and dismount.
In order to achieve the purpose, the invention adopts the following technical scheme that the quick push-pull limiting device for the plastic-steel-aluminum alloy doors and windows comprises a front limiting plate, a rear limiting plate, a guide post, a spring and an anti-falling button, wherein the rear end of the guide post is connected with the front surface of the rear limiting plate, the front limiting plate is provided with a guide hole, the front end of the guide post penetrates through the guide hole of the front limiting plate, the front end of the guide post is connected with the anti-falling button, the spring is sleeved on the guide post, the rear end of the spring is propped against the front surface of the rear limiting plate, the front end of the spring is propped against the rear surface of the front limiting plate, the outer diameter of the guide post is smaller than the inner diameter of the guide.
The center of the front limiting plate is provided with a threaded hole, an adjusting bolt is installed in the threaded hole, and the length of the adjusting bolt is larger than that of the guide post.
The front surface of the rear limiting plate is provided with a blind hole, a clamp spring is installed in the blind hole, the rear end of the adjusting bolt is provided with a raised head, and the raised head of the adjusting bolt can extend into the blind hole and be clamped by the clamp spring.
the guide posts are arranged in two numbers and are symmetrical to each other according to the central axis of the adjusting bolt.
The rear end of the guide post is welded or connected with the rear limiting plate in a threaded manner, and the front end of the guide post is welded or connected with the anti-falling button in a threaded or clamping manner.
The outer portion of the front limiting plate is wrapped with a plastic layer of the front limiting plate, and the outer portion of the rear limiting plate is wrapped with a plastic layer of the rear limiting plate.
Compared with the prior art, the invention has the following beneficial effects:
Under the action of the spring, the distance between the front limiting plate and the rear limiting plate is increased to be matched with the distance between the guide rails on the window. At this time, due to the elastic force of the spring, the front surface of the front limiting plate applies force to the guide rail, the rear surface of the rear limiting plate applies force to the window 1, and the side surface of the front limiting plate and the side surface of the rear limiting plate limit the movement of the window together. If the required limiting force is not large, the operation is finished, and the two windows cannot be opened continuously under the action of the limiting device.
if the limiting force on the window needs to be increased, the raised head of the adjusting bolt can overcome the resistance of the clamp spring and is rotatably inserted into the blind hole in the rear limiting plate, the clamping spring and the adjusting bolt are connected into a whole to realize linkage, and when the adjusting bolt applies the locking force larger than the clamp spring to the outer side, the raised head part of the adjusting bolt can be separated from the raised part of the rear limiting plate.
After the raised head of the adjusting bolt is separated from the raised part of the rear limiting plate, the gap between the front limiting plate and the rear limiting plate can be quickly reduced by extruding the adjusting bolt.
in order to increase the friction force between the front limiting plate and the window, between the rear limiting plate and the window guide rail and between the front limiting plate and the window and to protect the contact surface of the window, the outer side of the front limiting plate is wrapped with a layer of plastic rubber of the front limiting plate, and the outer side of the rear limiting plate is wrapped with a layer of plastic rubber of the rear limiting plate.
Drawings
FIG. 1 is a schematic view of a plastic-steel-aluminum alloy door and window push-pull quick stopper according to the present invention;
FIG. 1A is a top view of FIG. 1;
FIG. 2 is a view of the adjusting bolt of the present invention with the nose separated from the rear retainer plate;
FIG. 3 is a diagram of the manual compression state of the present invention;
FIG. 4 is a schematic view of a working scenario in a top-down state after installation of the present invention;
FIG. 5 is a schematic view of an adjusting bolt according to the present invention;
FIG. 6 is a schematic view of the anti-separation button of the present invention;
FIG. 6A is a left side view of FIG. 6;
FIG. 7 is a schematic view of a front limiting plate according to the present invention;
FIG. 8 is a schematic view of a guide post structure according to the present invention;
FIG. 9 is a schematic view of the spring structure of the present invention;
FIG. 10 is a schematic view of the rear limiting plate of the present invention;
FIG. 11 is a schematic view of a plastic structure of a front limiting plate according to the present invention;
FIG. 12 is a schematic view of a plastic structure of the rear limiting plate according to the present invention;
Fig. 13 is a schematic view of a circlip structure of the present invention.
The labels in the figure are: adjusting bolt 1, anticreep button 2, preceding limiting plate 3, guide post 4, spring 5, back limiting plate 6, preceding limiting plate plastic 7, back limiting plate plastic 8, jump ring 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 13, the present invention provides a technical solution: the utility model provides a quick stopper of plastic steel aluminum alloy door and window push-and-pull, includes preceding limiting plate 3, back limiting plate 6, guide post 4, spring 5, anticreep button 2, limiting plate front surface behind the 4 rear ends of guide post connection, the guiding hole is seted up to preceding limiting plate, 4 front ends of guide post pass the guiding hole of preceding limiting plate, and guide post front end connection anticreep button 2, the spring suit is on the guide post, and 5 rear ends of spring top are at back limiting plate front surface, and the spring front end top is at preceding limiting plate rear surface, the guide post external diameter is less than the guiding hole internal diameter, and the anticreep button external diameter is greater than the guiding hole internal diameter.
The center of the front limiting plate is provided with a threaded hole, an adjusting bolt 1 is installed in the threaded hole, and the length of the adjusting bolt is larger than that of the guide post.
the front surface of the rear limiting plate is provided with a blind hole, a clamp spring 9 is installed in the blind hole, the rear end of the adjusting bolt is provided with a spherical raised head 11, and the raised head of the adjusting bolt can extend into the blind hole and be clamped by the clamp spring. Set up the jump ring in the blind hole, the jump ring blocks spherical head, all belongs to the conventional technology in this technical field.
the guide posts are arranged in two numbers and are symmetrical to each other according to the central axis of the adjusting bolt.
The rear end of the guide post is welded or connected with the rear limiting plate in a threaded manner, and the front end of the guide post is welded or connected with the anti-falling button in a threaded or clamping manner. Various connection modes are selected according to requirements.
The outside parcel of preceding limiting plate has preceding limiting plate plastic layer 7, the outside parcel of back limiting plate has back limiting plate plastic layer 8, and half package or package all can.
When the anti-dropping device works, the anti-dropping button 2 and the front limiting plate 3 are pressed oppositely, the front limiting plate 3 drives the adjusting bolt 1 to separate the raised head 11 from the raised part of the rear limiting plate 6, and the adjusting bolt 1 is turned to make the raised head 11 far away from the rear limiting plate 6 as far as possible, as shown in fig. 2. Then, two fingers are used for respectively pressing the big end part of the adjusting bolt 1 and the rear limiting plate 6 oppositely, the adjusting bolt 1 applies force to the front limiting plate 3, and the distance between the front limiting plate 3 and the rear limiting plate 6 is compressed to the minimum as far as possible, as shown in fig. 3. Then the stopper is put into the guide rail of the plastic steel or aluminum alloy window at the required position, then the handle is put on, and under the action of the spring 5, the distance between the front limiting plate 3 and the rear limiting plate 6 is increased to be matched with the distance between the guide rails on the window. At this time, the surface 31 of the front stopper plate 3 is urged to the guide rail by the elastic force of the spring 5, the surface 62 of the rear stopper plate 6 is urged to the window 1, and the surface 32 of the front stopper plate 3 and the surface 63 of the rear stopper plate 6 cooperate to restrict the movement of the window 2. If the required limiting force is not large, the operation is finished, and the two windows cannot be opened continuously under the action of the limiting device. If the force for limiting the window needs to be increased, the adjusting bolt 1 needs to be screwed in and the adjusting bolt boss 11 enters the blind hole 61 of the convex part of the rear limiting plate 6, and the screw-in is continued, so that the front limiting plate 3 and the rear limiting plate 6 have the tendency of further separating, and the force applied to the guide rail and the window is increased.
When the stopper needs to be moved away from the working position, there are two situations: firstly, the raised head 11 of the adjusting bolt 1 does not enter the blind hole 61 of the raised part of the rear limiting plate 6; secondly, the raised head 11 of the adjusting bolt 1 enters the blind hole 61 of the raised part of the limiting plate 6. If the first condition is adopted, only force is applied to the adjusting bolt 1 to push the raised head 11 of the adjusting bolt into the blind hole 61 of the raised part of the rear limiting plate 6, the adjusting bolt 1 can reduce the distance between the front limiting plate 3 and the rear limiting plate 6, and the limiter can be easily moved out. If the second situation is, only the adjusting bolt 1 needs to be turned in the opposite direction, and due to the locking force of the clamp spring 9, the adjusting bolt 1 can drive the front limiting plate 3 and the rear limiting plate 6 to reduce the distance, so that the limiter can be easily moved out.
In order to increase the friction force between the front limiting plate 3 and the rear limiting plate 6 and the window guide rail and the window and to protect the contact surface of the window, the outer side of the front limiting plate 3 is wrapped with a layer of front limiting plate plastic 7, and the outer side of the rear limiting plate 6 is wrapped with a layer of rear limiting plate plastic 8.
in the description of the present invention, it is to be understood that the positional indications or positional relationships are based on those shown in the drawings and are for the purpose of facilitating the description of the present invention, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. the utility model provides a quick stopper of plastic steel aluminum alloy door and window push-and-pull, its characterized in that includes preceding limiting plate, back limiting plate, guide post, spring, anticreep button, the limiting plate front surface behind the guide post connection, the guiding hole is seted up to preceding limiting plate, the guide post front end passes the guiding hole of preceding limiting plate, and guide post front end connects the anticreep button, the spring suit is on the guide post, and the spring rear end pushes up at back limiting plate front surface, and the spring front end pushes up at preceding limiting plate rear surface, the guide post external diameter is less than the guiding hole internal diameter, and the anticreep button external diameter is greater than the guiding hole internal diameter.
2. The plastic-steel-aluminum alloy door and window push-pull quick limiter according to claim 1, wherein a threaded hole is formed in the center of the front limiting plate, an adjusting bolt is installed in the threaded hole, and the length of the adjusting bolt is larger than that of the guide column.
3. The plastic-steel-aluminum alloy door and window push-pull quick limiter as claimed in claim 2, wherein the front surface of the rear limiting plate is provided with a blind hole, a snap spring is installed in the blind hole, the rear end of the adjusting bolt is provided with a raised head, and the raised head of the adjusting bolt can extend into the blind hole and be clamped by the snap spring.
4. The plastic-steel-aluminum alloy door and window push-pull quick limiter as claimed in claim 3, wherein the number of the guide posts is two, and the two guide posts are symmetrical to each other according to the central axis of the adjusting bolt.
5. The plastic-steel-aluminum alloy door and window push-pull quick limiter according to claim 1, 2, 3 or 4, wherein the rear end of the guide post is welded or connected with the rear limiting plate in a threaded manner, and the front end of the guide post is welded or connected with the anti-falling button in a threaded manner or in a clamping manner.
6. The plastic-steel-aluminum alloy door and window push-pull quick limiter according to claim 1, 2, 3 or 4, wherein the front limiting plate is externally wrapped with a front limiting plate plastic layer, and the rear limiting plate is externally wrapped with a rear limiting plate plastic layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089964.0A CN110566067A (en) | 2019-01-30 | 2019-01-30 | Quick stopper of plastic steel aluminum alloy door and window push-and-pull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089964.0A CN110566067A (en) | 2019-01-30 | 2019-01-30 | Quick stopper of plastic steel aluminum alloy door and window push-and-pull |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110566067A true CN110566067A (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910089964.0A Pending CN110566067A (en) | 2019-01-30 | 2019-01-30 | Quick stopper of plastic steel aluminum alloy door and window push-and-pull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110566067A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457289Y (en) * | 2000-12-08 | 2001-10-31 | 曾鑫 | Safety bolt for alumiinum alloy door and window |
| CN2476627Y (en) * | 2001-04-12 | 2002-02-13 | 宁夏大学 | Anti-theft stop device for sliding sash |
| CN201486403U (en) * | 2009-09-27 | 2010-05-26 | 沈洋 | Lock for opening distance of sliding window |
| CN202926061U (en) * | 2012-11-26 | 2013-05-08 | 曲靖开发区自然空间建材发展有限公司 | Push-pull limiting device for window |
| CN103556892A (en) * | 2013-10-24 | 2014-02-05 | 陈兆平 | Crescent lock |
| KR101641021B1 (en) * | 2015-05-12 | 2016-07-20 | 주식회사 윈스터 | Apparatus for locking windows and doors |
| CN107355588A (en) * | 2017-08-23 | 2017-11-17 | 苏州金世装备制造股份有限公司 | It is a kind of to realize spacing valve valve handle |
| CN207195810U (en) * | 2017-08-23 | 2018-04-06 | 苏州金世装备制造股份有限公司 | Spacing valve valve handle can be realized |
| CN210087061U (en) * | 2019-01-30 | 2020-02-18 | 威海市力钰实业有限公司 | Quick push-pull limiter for plastic-steel-aluminum alloy door and window |
-
2019
- 2019-01-30 CN CN201910089964.0A patent/CN110566067A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457289Y (en) * | 2000-12-08 | 2001-10-31 | 曾鑫 | Safety bolt for alumiinum alloy door and window |
| CN2476627Y (en) * | 2001-04-12 | 2002-02-13 | 宁夏大学 | Anti-theft stop device for sliding sash |
| CN201486403U (en) * | 2009-09-27 | 2010-05-26 | 沈洋 | Lock for opening distance of sliding window |
| CN202926061U (en) * | 2012-11-26 | 2013-05-08 | 曲靖开发区自然空间建材发展有限公司 | Push-pull limiting device for window |
| CN103556892A (en) * | 2013-10-24 | 2014-02-05 | 陈兆平 | Crescent lock |
| KR101641021B1 (en) * | 2015-05-12 | 2016-07-20 | 주식회사 윈스터 | Apparatus for locking windows and doors |
| CN107355588A (en) * | 2017-08-23 | 2017-11-17 | 苏州金世装备制造股份有限公司 | It is a kind of to realize spacing valve valve handle |
| CN207195810U (en) * | 2017-08-23 | 2018-04-06 | 苏州金世装备制造股份有限公司 | Spacing valve valve handle can be realized |
| CN210087061U (en) * | 2019-01-30 | 2020-02-18 | 威海市力钰实业有限公司 | Quick push-pull limiter for plastic-steel-aluminum alloy door and window |
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