CN108193962B - Linkage mechanism of multipoint lock - Google Patents
Linkage mechanism of multipoint lock Download PDFInfo
- Publication number
- CN108193962B CN108193962B CN201810071537.5A CN201810071537A CN108193962B CN 108193962 B CN108193962 B CN 108193962B CN 201810071537 A CN201810071537 A CN 201810071537A CN 108193962 B CN108193962 B CN 108193962B
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- transmission
- linkage
- rod
- driving medium
- bolt
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
- E05C9/04—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing with two sliding bars moved in opposite directions when fastening or unfastening
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention relates to a linkage mechanism of a multipoint lock, which comprises a shell, a rotary transmission part and a lock tongue transmission part, wherein the rotary transmission part is rotationally arranged on the shell, the lock tongue transmission part is in linkage arrangement with an upper locking part and a lower locking part and vertically moves on the shell, the linkage mechanism also comprises a transmission swinging rod and a transmission connecting rod, one end of the transmission swinging rod is arranged on the shell in a swinging way, the other end of the transmission swinging rod is provided with a transmission pin in linkage fit with the lock tongue transmission part, the lock tongue transmission part is provided with a transmission groove for the transmission pin to pass through, the transmission groove and the moving direction of the lock tongue transmission part are obliquely arranged, the transmission connecting rod is arranged between the rotary transmission part and the transmission swinging rod and drives the transmission swinging rod to swing when the rotary transmission part rotates, and the distance between the rotation center of the transmission swinging rod and the connection position of the transmission connecting rod is smaller than the distance between the rotation center of the rotary transmission part and the connection position of the transmission connecting rod. By adopting the scheme, the invention provides the linkage mechanism of the multipoint lock, which reduces the volume of the multipoint lock, reduces the cost and saves materials.
Description
Technical Field
The invention relates to a door lock, in particular to a linkage mechanism of a multipoint lock.
Background
The multi-point lock is one kind of anti-theft lock, and has also added upper locking part and lower locking part based on the inclined tongue and square tongue with door locking function.
The linkage mechanism of the traditional multi-point lock comprises a shell, a rotary transmission part and a lock tongue transmission part, wherein the rotary transmission part is rotationally arranged on the shell, square bar holes for driving a handle square bar which is in reciprocating rotation are formed in the rotary transmission part, the lock tongue transmission part, an upper locking part and a lower locking part are in linkage arrangement and vertically move in the shell, a transmission pin penetrating through the lock tongue transmission part is arranged on the periphery of the traditional rotary transmission part, the transmission pin vertically moves relative to the lock tongue transmission part under the drive of the transmission pin when the rotary transmission part rotates, and because the transmission angle of the handle square bar is a designated angle, the space between the rotation center of the rotary transmission part and the transmission pin needs to be increased for enabling the upper lock tongue and the lower lock tongue to move along with the lock tongue transmission part, namely, the volume of the rotary transmission part is increased, materials are wasted, and the manufacturing cost is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a linkage mechanism of a multipoint lock, which reduces the volume of the multipoint lock, reduces the cost and saves materials.
In order to achieve the above purpose, the present invention provides the following technical solutions: including casing, rotation driving medium and spring bolt driving medium, rotation driving medium rotate and set up in the casing, rotation driving medium be provided with and supply its reciprocating wobbling handle square bar male square bar hole of drive, spring bolt driving medium and last locking piece and lower locking piece linkage set up and follow vertical movement in the casing, its characterized in that: still include transmission pendulum rod and transmission connecting rod, transmission pendulum rod one end swing set up in the casing, the other end be provided with spring bolt driving medium linkage complex driving pin, the spring bolt driving medium be provided with the transmission groove that supplies the driving pin to pass, transmission groove and spring bolt driving medium direction of movement be the slope setting, the transmission connecting rod set up between rotatory driving medium and transmission pendulum rod to drive transmission pendulum rod swing when rotatory driving medium rotates, the interval of the rotation center of transmission pendulum rod and the rotation center of transmission connecting rod junction be less than the interval of rotatory driving medium and transmission connecting rod junction.
Through adopting above-mentioned technical scheme, equiangular pivoted rotation driving medium will rotate and transmit to the transmission pendulum rod rather than the linkage, because the interval of transmission pendulum rod's rotation center and transmission connecting rod junction is less than the rotation center of rotation driving medium and transmission connecting rod junction, so make the swing angle grow of transmission pendulum rod, the transmission pendulum rod after the swing angle grow makes the spring bolt driving medium have bigger movable range, thereby reduce the volume demand to the rotation driving medium, thereby reduce the casing volume of multi-point lock, save material, reduce cost, reserve the space of installing other functional parts for the door body, can improve the comprehensive functions of lock.
The invention is further provided with: the transmission groove extends to the side surface of the spring bolt transmission piece, which is far away from the transmission swing rod, and is provided with an opening.
Through adopting above-mentioned technical scheme, add the opening, make the gangbar can remove the furthest to the spring bolt driving medium, make the length of transmission pendulum rod can further extend, improve transmission efficiency.
The invention is further provided with: the linkage pin is positioned on the same side of a datum line when the swing rod is driven to swing, the datum line is a straight line which passes through the rotation center of the driving swing rod and is perpendicular to the moving direction of the bolt driving piece, and the driving groove gradually approaches the datum line along the direction from one end far away from the rotation center of the swing rod to one end close to the rotation center of the swing rod.
Through adopting above-mentioned technical scheme, the transmission groove of this kind of structure can further enlarge the movable range of spring bolt driving medium when the ganging pin swings, further reduces the shared space of rotatory driving medium when improving transmission efficiency.
The invention is further provided with: the transmission groove is in a straight line shape, and an included angle between the transmission groove and the datum line is 10-20 degrees.
Through adopting above-mentioned technical scheme, the preferred and the straight line transmission groove that the contained angle between the datum line is, reduce the process length as far as possible when guaranteeing transmission efficiency, simplify the processing degree of difficulty to guarantee the intensity of spring bolt driving medium.
The invention is further provided with: the side surface of the transmission swing rod is provided with a slot into which the end part of the transmission connecting rod extends and a first linkage pin penetrating through the slot and the transmission connecting rod.
By adopting the technical scheme, the slot is additionally arranged, the transmission connecting rod is inserted into the transmission swinging rod, and the linkage stability of the transmission swinging rod and the transmission swinging rod is improved.
The invention is further provided with: the rotary transmission piece comprises a rotary body and a linkage body, wherein the rotary body is rotatably arranged on the shell, the square strip hole is formed in the center of the rotary body, the linkage body is sleeved on the periphery of the rotary body, an inner linkage block is arranged on the periphery of the rotary body, the linkage body is provided with an inner linkage groove for swinging of the inner linkage block, and the radial surfaces of the two sides of the inner linkage groove form linkage of the rotary body and the linkage body when propping against the inner linkage block.
By adopting the technical scheme, the rotary transmission part is divided into the rotating body and the linkage body, different linkage bodies can be designed according to different transmission connecting rods, and the additionally arranged inner linkage groove is formed by the rotation of the rotating body and the rotation of the linkage body.
The invention is further provided with: the outer periphery of the linkage body is provided with an outer linkage block, the outer linkage block is provided with a second linkage pin penetrating through the transmission swing rod, and the second linkage pin is positioned close to the periphery of the rotating body.
By adopting the technical scheme, the second linkage pin is arranged at the position close to the periphery of the rotating body, so that the distance between the second linkage pin and the rotating center of the rotating transmission piece can be reduced, the volume of the rotating transmission piece is reduced, and the volume of the shell is further reduced.
The invention is further provided with: still include the clamp plate, the clamp plate press in the casing with transmission pendulum rod and rotatory driving medium, the casing be located transmission pendulum rod rotation center be provided with transmission pendulum rod normal running fit's pivot, the rotor be provided with circular arch around square bar hole, the profile of clamp plate be provided with the recess of pivot and circular protruding looks adaptation to with adjacent casing profile shape looks adaptation.
Through adopting above-mentioned technical scheme, clamp plate and adjacent casing contour shape looks adaptation realize its stable installation, press transmission pendulum rod and rotatory driving medium in the casing when the installation, improve the installation stability of transmission pendulum rod and rotatory driving medium, in addition, the concave recess of addding also can increase the rotation stability of transmission pendulum rod and rotatory driving medium.
The invention is further provided with: the contour of the pressing plate is provided with a guide part attached to the side surface of the spring bolt transmission part along the moving direction of the spring bolt transmission part.
Through adopting above-mentioned technical scheme, add the guide part, increase the stability of moving of spring bolt driving medium when increasing clamp plate installation stability.
The invention is further provided with: the two ends of the bolt transmission part in the relative movement direction are respectively provided with a bolt linkage part extending out of the shell, the bolt transmission part and the bolt linkage part are correspondingly provided with a hook opening, the bolt linkage part is provided with a hook hooked on the hook opening, and the shell is provided with a guide sleeve for the bolt linkage part to move along the movement direction of the bolt transmission part.
Through adopting above-mentioned technical scheme, can change according to the locking piece of different specification different shapes with the spring bolt linkage spare that spring bolt driving medium components of a whole that can function independently set up, guide at the both ends spring bolt linkage spare that the casing set up the uide bushing, the direction of combination constitution spring bolt driving medium simplifies the casing inner structure.
The invention is further described below with reference to the drawings and detailed description.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the linkage of the rotary driving member and the driving swing link in the embodiment of the invention;
fig. 3 is a schematic diagram of the cooperation of the tongue driving member and the driving swing rod in the specific embodiment of the present invention.
Detailed Description
As shown in fig. 1-3, the invention discloses a linkage mechanism of a multipoint lock, which comprises a shell 1, a rotary transmission part 2 and a lock tongue transmission part 3, wherein the rotary transmission part 2 is rotatably arranged on the shell 1, the rotary transmission part 2 is provided with a square bar hole 21 for inserting a handle square bar for driving the rotary transmission part to reciprocate, the lock tongue transmission part 3 is in linkage arrangement with an upper locking part and a lower locking part and vertically moves in the shell 1, the linkage mechanism also comprises a transmission swing rod 4 and a transmission connecting rod 5, one end of the transmission swing rod 4 is arranged in the shell 1 in a swinging way, the other end of the transmission swing rod 4 is provided with a transmission pin 41 in linkage fit with the lock tongue transmission part 3, the lock tongue transmission part 3 is provided with a transmission groove 31 for the transmission pin 41 to pass through, the transmission groove 31 and the lock tongue transmission part 3 are obliquely arranged in the moving direction, the transmission connecting rod 5 is arranged between the rotary transmission part 2 and the swing rod 4, and drives the transmission swing rod 4 to swing when the rotary transmission part 2 rotates, the distance between the rotating center of the transmission swinging rod 4 and the connecting position of the transmission connecting rod 5 is smaller than the distance between the rotating center of the rotary transmission part 2 and the connecting position of the transmission connecting rod 5, the rotation of the rotary transmission part 2 rotating at equal angles is transmitted to the transmission swinging rod 4 in linkage with the rotation, and the distance a between the rotating center of the transmission swinging rod 4 and the connecting position of the transmission connecting rod 5 is smaller than the distance b between the rotating center of the rotary transmission part 2 and the connecting position of the transmission connecting rod 5, so that the swinging angle of the transmission swinging rod 4 is enlarged, the transmission swinging rod 4 after the swinging angle is enlarged enables the bolt transmission part 3 to have a larger moving range, thereby reducing the volume requirement on the rotary transmission part 2, reducing the volume of the shell 1 of the multi-point lock, saving materials, reducing cost and reserving the space for installing other functional parts in a door body, and improving the comprehensive functions of the door lock.
The transmission groove 31 extends to the side surface of the lock tongue transmission member 3, which is far away from the transmission swinging rod 4, and is provided with an opening 311, and the opening 311 is additionally arranged, so that the linkage pin can move to the farthest position of the lock tongue transmission member 3, the length of the transmission swinging rod 4 can be further prolonged, and the transmission efficiency is improved.
The linkage pin is positioned on the same side of a datum line a when the transmission swing rod 4 swings, the datum line a is a straight line which passes through the rotation center of the transmission swing rod 4 and is perpendicular to the moving direction of the bolt transmission piece 3, the transmission groove 31 gradually approaches the datum line along the direction from one end far away from the rotation center of the swing rod to one end close to the rotation center of the swing rod, and the transmission groove 31 with the structure can further enlarge the moving range of the bolt transmission piece 3 when the linkage pin swings, and further reduces the occupied space of the rotation transmission piece 2 while improving the transmission efficiency.
The transmission groove 31 is in a straight line shape, the included angle between the transmission groove 31 and the datum line a is 10-20 degrees, and the linear transmission groove 31 with the included angle between the datum line a is preferable, so that the transmission efficiency is ensured, the processing length is reduced as much as possible, the processing difficulty is simplified, the strength of the lock tongue transmission piece 3 is ensured, and the optimal value is 15 degrees.
The side of the transmission swing rod 4 is provided with a slot 42 into which the end part of the transmission connecting rod 5 extends and a first linkage pin 43 penetrating through the slot 42 and the transmission connecting rod 5, the slot 42 is additionally arranged, the transmission connecting rod 5 is inserted into the transmission swing rod 4, and the linkage stability of the two is improved.
The rotary transmission member 2 comprises a rotary body 22 and a linkage body 23, the rotary body 22 is rotatably arranged in the shell 1, the square bar hole 21 is positioned at the center of the rotary body 22, the linkage body 23 is sleeved on the periphery of the rotary body 22, an inner linkage block 221 is arranged on the periphery of the rotary body 22, the linkage body 23 is provided with an inner linkage groove 233 for swinging the inner linkage block 221, the radial surfaces on two sides of the inner linkage groove 233 form linkage of the rotary body 22 and the linkage body 23 when the radial surfaces are propped against the inner linkage block 221, the rotary transmission member 2 is divided into the rotary body 22 and the linkage body 23, different linkage bodies 23 can be designed according to different transmission connecting rods 5, and the additionally arranged inner linkage groove 233 is formed by the rotation of the rotary body 22 along with the rotation of the linkage body 23.
The outer periphery of the linkage body 23 is provided with an outer linkage block 231, the outer linkage block 231 is provided with a second linkage pin 232 penetrating through the transmission swing rod 4, the second linkage pin 232 is located at a position close to the outer periphery of the rotating body 22, and the second linkage pin 232 is located at a position close to the outer periphery of the rotating body 22, so that the distance between the second linkage pin 232 and the rotation center of the rotary transmission member 2 can be reduced, the volume of the rotary transmission member 2 is reduced, and the volume of the shell 1 is further reduced.
Still include clamp plate 6, clamp plate 6 presses transmission pendulum rod 4 and rotatory driving medium 2 in casing 1, casing 1 is located transmission pendulum rod 4 rotation center and is provided with the pivot 12 with transmission pendulum rod 4 normal running fit, rotor 22 is provided with circular arch 24 around square bar hole 21, the profile of clamp plate 6 is provided with the sunken 61 with pivot 44 and circular arch 24 looks adaptation, and with adjacent casing 1 outline shape looks adaptation, clamp plate 6 realizes its stable installation with adjacent casing 1 outline shape looks adaptation, press transmission pendulum rod 4 and rotatory driving medium 2 in casing 1 when the installation, improve the installation stability of transmission pendulum rod 4 and rotatory driving medium 2, in addition, the sunken 61 of addding also can increase the rotation stability of transmission pendulum rod 4 and rotatory driving medium 2.
The contour of clamp plate 6 is provided with the guide part 62 that laminates mutually with spring bolt driving medium 3 side along spring bolt driving medium 3 direction of movement, adds guide part 62, increases the stability of moving of spring bolt driving medium 3 when the installation stability of clamp plate 6.
The two ends of the relative moving direction of the bolt transmission piece 3 are respectively provided with a bolt linkage piece 32 extending to the outside of the shell 1, the bolt transmission piece 3 and the bolt linkage piece 32 are correspondingly provided with a hook opening 33, the bolt linkage piece 32 is provided with a hook 321 hooked on the hook opening 33, the shell 1 is provided with a guide sleeve 11 for the bolt linkage piece 32 to move along the moving direction of the bolt transmission piece 3, the bolt linkage piece 32 which is separately arranged with the bolt transmission piece 3 can be replaced according to locking pieces with different specifications and different shapes, the bolt linkage pieces 32 at the two ends of the guide sleeve are arranged at the shell 1 to guide, the guide of the bolt transmission piece 3 is formed by combining, the internal structure of the shell 1 is simplified, the handle (handle) is lifted up by 15.8 mm from a 30-degree starting point 321, and the handle (handle) is lifted up by 15.8 mm from a starting point at a 35-point 32-lifting ideal distance.
Claims (10)
1. The utility model provides a link gear of multi-point lock, includes casing, rotation driving medium and spring bolt driving medium, rotation driving medium rotate and set up in the casing, rotation driving medium be provided with and supply its reciprocating wobbling handle square bar male square bar hole of drive, spring bolt driving medium and last locking piece and lower locking piece linkage set up and follow vertical movement in the casing, its characterized in that: still include transmission pendulum rod and transmission connecting rod, transmission pendulum rod one end swing set up in the casing, the other end be provided with spring bolt driving medium linkage complex driving pin, the spring bolt driving medium be provided with the transmission groove that supplies the driving pin to pass, transmission groove and spring bolt driving medium direction of movement be the slope setting, the transmission connecting rod set up between rotatory driving medium and transmission pendulum rod to drive transmission pendulum rod swing when rotatory driving medium rotates, the interval of the rotation center of transmission pendulum rod and the rotation center of transmission connecting rod junction be less than the interval of rotatory driving medium and transmission connecting rod junction.
2. The multipoint lock linkage mechanism according to claim 1, wherein: the transmission groove extends to the side surface of the spring bolt transmission piece, which is far away from the transmission swing rod, and is provided with an opening.
3. The multipoint lock linkage mechanism according to claim 1, wherein: the transmission pin is positioned on the same side of a datum line when the transmission swing rod swings, the datum line is a straight line which passes through the rotation center of the transmission swing rod and is perpendicular to the moving direction of the bolt transmission piece, and the transmission groove gradually approaches the datum line along the direction from one end far from the rotation center of the swing rod to one end close to the rotation center of the swing rod.
4. The multipoint lock linkage mechanism according to claim 1, wherein: the transmission groove is in a straight line shape, and an included angle between the transmission groove and the datum line is 10-20 degrees.
5. The multipoint lock linkage mechanism according to claim 1, wherein: the side surface of the transmission swing rod is provided with a slot into which the end part of the transmission connecting rod extends and a first linkage pin penetrating through the slot and the transmission connecting rod.
6. The multipoint lock linkage mechanism according to claim 1, wherein: the rotary transmission piece comprises a rotary body and a linkage body, wherein the rotary body is rotatably arranged on the shell, the square strip hole is formed in the center of the rotary body, the linkage body is sleeved on the periphery of the rotary body, an inner linkage block is arranged on the periphery of the rotary body, the linkage body is provided with an inner linkage groove for swinging of the inner linkage block, and the radial surfaces of the two sides of the inner linkage groove form linkage of the rotary body and the linkage body when propping against the inner linkage block.
7. The multipoint lock linkage mechanism according to claim 6, wherein: the outer periphery of the linkage body is provided with an outer linkage block, the outer linkage block is provided with a second linkage pin penetrating through the transmission swing rod, and the second linkage pin is positioned close to the periphery of the rotating body.
8. The multipoint lock linkage mechanism according to claim 6, wherein: still include the clamp plate, the clamp plate press in the casing with transmission pendulum rod and rotatory driving medium, the casing be located transmission pendulum rod rotation center be provided with transmission pendulum rod normal running fit's pivot, the rotor be provided with circular arch around square bar hole, the profile of clamp plate be provided with the recess of pivot and circular protruding looks adaptation to with adjacent casing profile shape looks adaptation.
9. The multipoint lock linkage mechanism according to claim 8, wherein: the contour of the pressing plate is provided with a guide part attached to the side surface of the spring bolt transmission part along the moving direction of the spring bolt transmission part.
10. The multipoint lock linkage mechanism according to claim 1, wherein: the two ends of the bolt transmission part in the relative movement direction are respectively provided with a bolt linkage part extending out of the shell, the bolt transmission part and the bolt linkage part are correspondingly provided with a hook opening, the bolt linkage part is provided with a hook hooked on the hook opening, and the shell is provided with a guide sleeve for the bolt linkage part to move along the movement direction of the bolt transmission part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071537.5A CN108193962B (en) | 2018-01-25 | 2018-01-25 | Linkage mechanism of multipoint lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810071537.5A CN108193962B (en) | 2018-01-25 | 2018-01-25 | Linkage mechanism of multipoint lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108193962A CN108193962A (en) | 2018-06-22 |
| CN108193962B true CN108193962B (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810071537.5A Active CN108193962B (en) | 2018-01-25 | 2018-01-25 | Linkage mechanism of multipoint lock |
Country Status (1)
| Country | Link |
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| CN (1) | CN108193962B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196375A (en) * | 2020-10-28 | 2021-01-08 | 深圳好博窗控技术有限公司 | Multipoint lock body |
Citations (6)
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|---|---|---|---|---|
| CN101210465A (en) * | 2006-12-28 | 2008-07-02 | 方大集团股份有限公司 | Pushing bar lock |
| CN201763078U (en) * | 2010-07-29 | 2011-03-16 | 佛山市南海区美品五金电器有限公司 | Linkage multi-point lock |
| CN201988735U (en) * | 2010-12-20 | 2011-09-28 | 齐重数控装备股份有限公司 | Non-contact measuring device of numerical control heavy-type horizontal lathe |
| CN204024241U (en) * | 2014-08-20 | 2014-12-17 | 宝得利实业有限公司 | The adjustable anti-lock body putting forward function |
| CN104499848A (en) * | 2014-12-11 | 2015-04-08 | 李春风 | Multi-lock linkage mechanism |
| CN204782358U (en) * | 2015-07-03 | 2015-11-18 | 曹汉添 | Tool to lock with upper and lower connecting rod |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM338889U (en) * | 2007-12-17 | 2008-08-21 | Imp Hardware Taiwan Ltd | Door lock using key to drive transmission mechanism |
| US10047544B2 (en) * | 2014-04-17 | 2018-08-14 | Tlhm Co., Ltd. | Transmission device of electronic lock |
-
2018
- 2018-01-25 CN CN201810071537.5A patent/CN108193962B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101210465A (en) * | 2006-12-28 | 2008-07-02 | 方大集团股份有限公司 | Pushing bar lock |
| CN201763078U (en) * | 2010-07-29 | 2011-03-16 | 佛山市南海区美品五金电器有限公司 | Linkage multi-point lock |
| CN201988735U (en) * | 2010-12-20 | 2011-09-28 | 齐重数控装备股份有限公司 | Non-contact measuring device of numerical control heavy-type horizontal lathe |
| CN204024241U (en) * | 2014-08-20 | 2014-12-17 | 宝得利实业有限公司 | The adjustable anti-lock body putting forward function |
| CN104499848A (en) * | 2014-12-11 | 2015-04-08 | 李春风 | Multi-lock linkage mechanism |
| CN204782358U (en) * | 2015-07-03 | 2015-11-18 | 曹汉添 | Tool to lock with upper and lower connecting rod |
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| Publication number | Publication date |
|---|---|
| CN108193962A (en) | 2018-06-22 |
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