CN211448304U - Transmission mechanism and door and window transmission device - Google Patents
Transmission mechanism and door and window transmission device Download PDFInfo
- Publication number
- CN211448304U CN211448304U CN201921406869.0U CN201921406869U CN211448304U CN 211448304 U CN211448304 U CN 211448304U CN 201921406869 U CN201921406869 U CN 201921406869U CN 211448304 U CN211448304 U CN 211448304U
- Authority
- CN
- China
- Prior art keywords
- groove
- housing
- transmission mechanism
- boss
- shell
- 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.)
- Active
Links
Images
Abstract
The utility model relates to a drive mechanism and door and window transmission. The transmission mechanism is used for connecting the sectional materials and comprises a shell, an elastic assembly and a threaded piece, the threaded piece can penetrate through the positioning piece and drive the positioning piece to rotate, when the positioning piece rotates and enables the boss to rotate from the first limiting groove to the limiting release of the second shell to the boss, the elastic piece can push the partial structure of the positioning piece to pop out the second through groove and abut against the sectional materials, and therefore the transmission mechanism is limited in the sectional materials. The operation mode of the transmission mechanism is simple, the screw rotates, so that the positioning piece is popped out of the second penetrating groove to support the sectional material, other external tools are not needed, the cost is reduced, and meanwhile, the operation efficiency of a user is effectively improved.
Description
Technical Field
The utility model relates to a door and window accessory field especially relates to drive mechanism and door and window transmission.
Background
When a general transmission mechanism is installed on a profile of a door or a window, the transmission mechanism and the profile are fixed through screws, so that the structure of the transmission mechanism is complex.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a transmission mechanism and a door/window transmission device to solve the problem of complicated structure of the transmission mechanism.
A drive mechanism for connecting profiles, the drive mechanism comprising:
the shell comprises a first shell and a second shell which is covered on the first shell, the first shell is provided with a first through groove, the second shell is provided with a second through groove, the first through groove is communicated with the second through groove, the wall of the first through groove is also provided with a first limit groove, and the first limit groove is communicated with the first through groove;
the elastic assembly comprises a positioning piece and an elastic piece, one end of the elastic piece is abutted against the bottom of the first through groove, the other end of the elastic piece is abutted against the positioning piece, the positioning piece is provided with a boss, and the boss can be accommodated in the first limiting groove and is abutted against and pressed by the second shell so as to compress the elastic piece through the positioning piece and enable the positioning piece to be accommodated in the first through groove and the second through groove; and
the screw thread spare, with setting element threaded connection just can drive the setting element rotates, so that the boss is in first spacing groove rotates extremely the second shell is right the spacing of boss is relieved, the elastic component can promote the setting element, so that the part structure of setting element pops out the second runs through the groove and with the section bar butt, with will drive mechanism be spacing in the section bar.
The transmission mechanism is used for connecting the sectional materials and comprises a shell, an elastic assembly and a threaded piece, the threaded piece can penetrate through the positioning piece and drive the positioning piece to rotate, when the positioning piece rotates and enables the boss to rotate from the first limiting groove to the limiting release of the second shell to the boss, the elastic piece can push the partial structure of the positioning piece to pop out the second through groove and abut against the sectional materials, and therefore the transmission mechanism is limited in the sectional materials. The operation mode of the transmission mechanism is simple, the screw rotates, so that the positioning piece is popped out of the second penetrating groove to support the sectional material, other external tools are not needed, the cost is reduced, and meanwhile, the operation efficiency of a user is effectively improved.
In one embodiment, a clamping groove is formed in one end, away from the elastic part, of the positioning part, and when the boss rotates in the first limiting groove to the second housing to release the limiting of the boss, one end, located at the clamping groove, of the positioning part can be popped out of the second through groove, so that the clamping groove is clamped in the profile.
In one embodiment, the positioning element is provided with a supporting groove, the elastic element is supported against the groove bottom of the supporting groove, and the boss is located on one side of the positioning element, which is far away from the supporting groove.
In one embodiment, the second housing has a second limiting groove, the second limiting groove is communicated with the second through groove, and when the boss rotates in the first limiting groove to the position of the boss released by the second housing, the boss can slide in the second limiting groove and limit the positioning element to slide out of the second through groove.
In one embodiment, the transmission mechanism further comprises a gear assembly including a slide plate slidably connected with the housing and a gear rotatably mounted in the housing and capable of driving the slide plate to slide relative to the housing.
In one embodiment, the transmission mechanism further comprises a handle, the handle comprises a rotating shaft, the rotating shaft penetrates through the second shell and is fixedly connected with the gear, and the rotating shaft can drive the gear to rotate.
In one embodiment, the housing is provided with a through hole and a sliding groove, the through hole and the sliding groove are communicated with each other, the gear is accommodated in the through hole, and the sliding plate is accommodated in the sliding groove and can slide in the sliding groove.
In one embodiment, the transmission mechanism further includes a cover plate, the cover plate is provided with a receiving groove, after the transmission mechanism is mounted to the profile, a part of the structure of the housing protrudes out of the profile and is received by the receiving groove, and the cover plate is fixedly connected with the housing.
In one embodiment, the cover plate has a bottom wall, a first groove wall and a second groove wall, the first groove wall and the second groove wall are oppositely arranged at two opposite side edges of the bottom wall, and the first groove wall, the bottom wall and the second groove wall form a containing groove for containing the shell; part of the structure of the first groove wall protrudes into the accommodating groove to form a first clamping part, and part of the structure of the second groove wall protrudes into the accommodating groove to form a second clamping part; first bayonet socket has been seted up to first shell, the second bayonet socket has been seted up to the second shell, works as the apron lid is located when the casing, first card is held the portion card and is held in first bayonet socket, the second card is held the portion card and is held in the second bayonet socket.
The utility model provides a door and window transmission, includes the section bar and the above drive mechanism, the mounting groove has been seted up to the section bar, the casing is worn to locate the mounting groove, the screw thread spare passes the section bar and with the casing is connected.
Drawings
FIG. 1 is a perspective view of a section bar in the door/window transmission device according to an embodiment;
fig. 2 is a partial perspective view of a section bar of the door and window transmission device shown in fig. 1;
FIG. 3 is a cross-sectional view of a door and window actuator in one embodiment;
fig. 4 is an enlarged view of the door window transmission device shown in fig. 3 at a;
FIG. 5 is an exploded view of the door and window actuator of an embodiment;
fig. 6 is a perspective view of a first housing of the door window transmission device shown in fig. 5;
fig. 7 is a perspective view of another perspective view of the first housing of the door window transmission device shown in fig. 6;
fig. 8 is a perspective view of a second housing of the door window transmission device shown in fig. 5;
fig. 9 is a perspective view of another perspective view of the second housing of the door window transmission device shown in fig. 8;
fig. 10 is a perspective view of a positioning member of the door window transmission device shown in fig. 5;
fig. 11 is a perspective view of another view of a positioning member of the door window transmission device shown in fig. 10;
fig. 12 is an enlarged view of the door window transmission device shown in fig. 5 at B.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2 and 3, in one embodiment, a door and window actuator 10 is provided, the door and window actuator 10 including a profile 30 and an actuator 20, the profile 30 generally having a linkage with a locking point structure for engaging a door or window. The section bar 30 is provided with an installation groove 31, the transmission mechanism 20 is used as an accessory with a transmission function, can penetrate through the installation groove 31 of the section bar 30 and is fixedly connected with the section bar 30, and a user can convert rotary motion into linear motion of a connecting rod through the transmission mechanism 20, so that locking of a door or a window is realized.
Referring to fig. 5, in an embodiment, the transmission mechanism 20 includes a housing 100, an elastic component 200, and a screw 300, the housing 100 of the transmission component is disposed through the mounting groove 31, and the screw 300 passes through the profile 30 and can be connected to the housing 100 to limit the transmission mechanism 20 and the profile 30. Referring to fig. 6 and 8, in an embodiment, the casing 100 is substantially rectangular, and the casing 100 includes a first casing 110 and a second casing 120 covering the first casing 110, the first casing 110 is provided with a first through groove 111, the second casing 120 is provided with a second through groove 121, the first through groove 111 and the second through groove 121 are communicated with each other, a groove wall of the first through groove 111 is further provided with a first limiting groove 113, and the first limiting groove 113 is communicated with the first through groove 111.
In an embodiment, the elastic component 200 includes a positioning element 210 and an elastic element, the elastic element may be a spring with elastic deformation performance, one end of the elastic element abuts against the bottom of the first through slot 111, and the other end of the elastic element abuts against the positioning element 210. The positioning element 210 may be in a three-dimensional shape such as a column, a cylinder, a prism, etc., the positioning element 210 is provided with a boss 211 at the periphery thereof, the shape of the boss 211 is matched with the shape of the first limiting groove 113, when the second housing 120 is covered with the first housing 110, the first limiting groove 113 is pressed by the second housing 120, the boss 211 is accommodated in the first limiting groove 113 and cannot be separated from the first limiting groove 113, at this time, the positioning element 210 is in an initial state, and the positioning element 210 in this state can compress the elastic element and is accommodated in the first penetrating groove 111 and the second penetrating groove 121.
Referring to fig. 1 and 5, in an embodiment, a screw 300 is screwed to the positioning member 210 and can drive the positioning member 210 to rotate, wherein the screw 300 may be a screw, and the screw 300 passes through the profile 30 and the housing 100 and is connected to the positioning member 210. Referring to fig. 6, 8 and 10, when the screw 300 rotates to drive the positioning element 210 to rotate, the boss 211 of the positioning element 210 may rotate until the second housing 120 limits the boss 211, that is, the boss 211 is separated from the first limiting groove 113 and enters the first through groove 111, at this time, the positioning element 210 is separated from the initial state, the elastic element loses the supporting force of the positioning element 210, so that the elastic element releases the elastic force, and further the positioning element 210 is pushed to slide in the first through groove 111 and the second through groove 121, a partial structure of the positioning element 210 is popped out of the second through groove 121, and the popped partial structure may be abutted against the groove wall of the installation groove 31 of the profile 30. When the user continues to rotate the screw 300, the screw 300 is screwed to the positioning member 210, so that the transmission mechanism 20 is limited on the profile 30.
The transmission mechanism 20 is used for connecting the section bar 30, the transmission mechanism 20 includes a housing 100, an elastic component 200 and a screw 300, the screw 300 can pass through the positioning member 210 and drive the positioning member 210 to rotate, when the positioning member 210 rotates and the boss 211 rotates from the first limiting groove 113 to the second housing 120 to release the limitation of the boss 211, the elastic component can push the partial structure of the positioning member 210 to pop out of the second penetrating groove 121 and abut against the section bar 30, so as to limit the transmission mechanism 20 on the section bar 30. The operation mode of the transmission mechanism 20 is simple, and the positioning element 210 is ejected out of the second through groove 121 to abut against the section bar 30 through the rotation of the screw, so that other external tools are not needed, the cost is reduced, and the operation efficiency of a user is effectively improved.
Referring to fig. 10 and 11, in an embodiment, the positioning element 210 is provided with a supporting groove 215, a cross section of the supporting groove 215 is annular, a shape of the elastic element is matched with a shape of the supporting groove 215, so that the elastic element is supported on a groove bottom of the supporting groove 215, and the elastic element is more closely matched with the positioning element 210. Referring to fig. 4, in an embodiment, a clamping groove 213 is formed at an end of the positioning element 210 away from the elastic element, that is, the clamping groove 213 is located at an end of the positioning element 210 protruding out of the second through groove 121, and the shape of the clamping groove 213 is matched with the groove wall of the installation groove 31 of the profile 30, so that the transmission mechanism 20 can be directly limited by the abutting of the clamping groove 213 and the profile 30.
Referring to fig. 8 and 11, in an embodiment, the second housing 120 is provided with a second limiting groove 123, the second limiting groove 123 is communicated with the second through groove 121, wherein the shape of the second limiting groove 123 is adapted to the shape of the boss 211, when the screw 300 drives the positioning element 210 to rotate so that the boss 211 rotates from the first limiting groove 113 to the second housing 120 to relieve the limitation of the boss 211, that is, when the boss 211 rotates from the first limiting groove 113 to the first through groove 111, the elastic element pushes the boss 211 to slide into the second limiting groove 123 from the first through groove 111, so that part of the structure of the positioning element 210 protrudes out of the second through groove 121, and meanwhile, the second limiting groove 123 can also prevent the positioning element 210 from sliding out of the second limiting groove 123. With reference to fig. 4, further, the protrusion 211 is located on a side of the positioning element 210 away from the abutting groove 215, when the elastic element releases the elastic force to push the positioning element 210, because the protrusion 211 is located on the side away from the abutting groove 215, the positioning element 210 protrudes more out of the second through groove 121, and the abutting action of the positioning element 210 and the profile 30 is further enhanced and the abutting is more stable.
Referring to fig. 5, in an embodiment, the transmission mechanism 20 further includes a gear 420 assembly 400, the gear 420 assembly 400 includes a sliding plate 410 and a gear 420, the sliding plate 410 is elongated, and the sliding plate 410 is provided with a plurality of gear holes, so that when the gear 420 rotates on the sliding plate 410, the gear teeth of the gear 420 can sequentially correspond to the gear holes of the sliding plate 410, so that the rotational motion of the gear 420 can be converted into the linear sliding motion of the sliding plate 410 in the housing 100. Referring to fig. 6 and 8, in an embodiment, the housing 100 is provided with a through hole 130 and a sliding groove 140, the through hole 130 and the sliding groove 140 are communicated with each other, the gear 420 is received in the through hole 130 and can rotate relative to the through hole 130, and the sliding plate 410 is received in the sliding groove 140 and can slide in the sliding groove 140. In an embodiment, the transmission mechanism 20 further includes a handle 500, the handle 500 is provided with a rotating rod 510, the gear 420 is provided with a rotating shaft hole, and the shape of the rotating shaft 510 is matched with the rotating shaft hole and can drive the gear 420 to rotate. For example, the cross-section of the shaft 510 may be square, rectangular, prismatic, etc., and the size of the shaft 510 corresponds to the size of the hole of the shaft 510. Further, the rotating shaft 510 may also be in interference connection with the rotating shaft hole, so that the rotating shaft 510 passes through the second housing 120 and is fixedly connected with the gear 420, thereby enabling the rotation of the rotating shaft 510 and the gear 420 to be more intimate.
Referring to fig. 4 and 5, in an embodiment, the transmission mechanism 20 further includes a cover plate 600, the cover plate 600 is provided with a receiving groove 610, the receiving groove 610 may be a C-shaped groove, after the transmission mechanism 20 is mounted to the profile 30, a part of the structure of the housing 100 protrudes out of the profile 30 and is received by the receiving groove 610, and the cover plate 600 is fixedly connected to the housing 100. Referring to fig. 12, in an embodiment, the cover plate 600 has a bottom wall 611, a first groove wall 613 and a second groove wall 615, the first groove wall 613 and the second groove wall 615 are disposed on opposite side edges of the bottom wall 611 in an opposite manner, that is, the first groove wall 613 and the second groove wall 615 are vertically disposed on the bottom wall 611, and a width of the bottom wall 611 matches a width of a partial structure of the housing 100, so that the receiving groove 610 formed by the first groove wall 613, the bottom wall 611 and the second groove wall 615 can accommodate the partial structure of the housing 100. In one embodiment, a portion of the first groove wall 613 protrudes into the receiving groove 610 to form a first latching portion 617, and a portion of the second groove wall 615 protrudes into the receiving groove 610 to form a second latching portion 619. Specifically, the first latching portion 617 and the second latching portion 619 are substantially rectangular blocks and protrude inward toward the receiving groove 610, wherein the positions of the first latching portion 617 and the second latching portion 619 may be symmetrically arranged relative to the bottom wall 611, which is beneficial to the stability of the housing 100 and the cover plate 600. Alternatively, the first latching portion 617 and the second latching portion 619 may be asymmetrically disposed, and the specific positions may be flexibly adjusted according to the structure of the housing 100. Referring to fig. 7 and 9, in an embodiment, the first housing 110 has a first bayonet 115, the second housing 120 has a second bayonet 125, and when the cover plate 600 is covered on the casing 100, the first retaining member is retained in the first bayonet 115, and the second retaining member is retained in the second bayonet 125. Further, the first latching portion 617, the second latching portion 619, the first latching opening 115 and the second latching opening 125 may be disposed in a plurality of numbers and in one-to-one correspondence, so that the cover plate 600 and the cover of the housing 100 are more firmly disposed, and the cover plate 600 is prevented from being separated from the housing 100.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A transmission mechanism for connecting profiles, comprising:
the shell comprises a first shell and a second shell which is covered on the first shell, the first shell is provided with a first through groove, the second shell is provided with a second through groove, the first through groove is communicated with the second through groove, the wall of the first through groove is also provided with a first limit groove, and the first limit groove is communicated with the first through groove;
the elastic assembly comprises a positioning piece and an elastic piece, one end of the elastic piece is abutted against the bottom of the first through groove, the other end of the elastic piece is abutted against the positioning piece, the positioning piece is provided with a boss, and the boss can be accommodated in the first limiting groove and is abutted against and pressed by the second shell so as to compress the elastic piece through the positioning piece and enable the positioning piece to be accommodated in the first through groove and the second through groove; and
the screw thread spare, with setting element threaded connection just can drive the setting element rotates, so that the boss is in first spacing groove rotates extremely the second shell is right the spacing of boss is relieved, the elastic component can promote the setting element, so that the part structure of setting element pops out the second runs through the groove and with the section bar butt, with will drive mechanism be spacing in the section bar.
2. The transmission mechanism as claimed in claim 1, wherein a slot is formed at an end of the positioning member away from the elastic member, and when the boss rotates in the first limiting slot until the second housing releases the limitation of the boss, the end of the positioning member located in the slot can pop out of the second through slot, so that the slot is clamped in the profile.
3. The transmission mechanism as claimed in claim 1, wherein the positioning member has a supporting groove, the elastic member is supported on a groove bottom of the supporting groove, and the boss is located on a side of the positioning member away from the supporting groove.
4. The transmission mechanism according to claim 1, wherein the second housing defines a second limiting groove, the second limiting groove is communicated with the second through groove, and when the boss rotates in the first limiting groove until the boss is released from limiting by the second housing, the boss can slide in the second limiting groove and limit the positioning member from sliding out of the second through groove.
5. The transmission mechanism as recited in claim 1, further comprising a gear assembly including a sled and a gear, the sled being slidably connected with the housing, the gear being rotatably mounted within the housing and configured to drive the sled to slide relative to the housing.
6. The transmission mechanism according to claim 5, further comprising a handle, wherein the handle comprises a rotating shaft, the rotating shaft penetrates through the second housing and is fixedly connected with the gear, and the rotating shaft can drive the gear to rotate.
7. The transmission mechanism as claimed in claim 5, wherein the housing defines a through hole and a sliding slot, the through hole and the sliding slot are communicated with each other, the gear is received in the through hole, and the sliding plate is received in the sliding slot and can slide in the sliding slot.
8. The transmission mechanism as claimed in claim 1, further comprising a cover plate, wherein the cover plate defines a receiving groove, and after the transmission mechanism is mounted to the profile, a portion of the housing protrudes from the profile and is received by the receiving groove, and the cover plate is fixedly connected to the housing.
9. The transmission mechanism as claimed in claim 8, wherein the cover plate has a bottom wall, a first slot wall and a second slot wall, the first slot wall and the second slot wall are disposed opposite to each other at two opposite edges of the bottom wall, and the first slot wall, the bottom wall and the second slot wall form a receiving slot for receiving the housing; part of the structure of the first groove wall protrudes into the accommodating groove to form a first clamping part, and part of the structure of the second groove wall protrudes into the accommodating groove to form a second clamping part; first bayonet socket has been seted up to first shell, the second bayonet socket has been seted up to the second shell, works as the apron lid is located when the casing, first card is held the portion card and is held in first bayonet socket, the second card is held the portion card and is held in the second bayonet socket.
10. A door and window transmission device, comprising a section bar and the transmission mechanism of any one of claims 1 to 9, wherein the section bar is provided with an installation groove, the housing is arranged in the installation groove in a penetrating way, and the screw thread element penetrates through the section bar and is connected with the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406869.0U CN211448304U (en) | 2019-08-27 | 2019-08-27 | Transmission mechanism and door and window transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921406869.0U CN211448304U (en) | 2019-08-27 | 2019-08-27 | Transmission mechanism and door and window transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211448304U true CN211448304U (en) | 2020-09-08 |
Family
ID=72319447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921406869.0U Active CN211448304U (en) | 2019-08-27 | 2019-08-27 | Transmission mechanism and door and window transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211448304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062290A1 (en) * | 2020-09-28 | 2022-03-31 | 深圳好博窗控技术股份有限公司 | Transmission mechanism and transmission device |
-
2019
- 2019-08-27 CN CN201921406869.0U patent/CN211448304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022062290A1 (en) * | 2020-09-28 | 2022-03-31 | 深圳好博窗控技术股份有限公司 | Transmission mechanism and transmission device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2003262C (en) | Lock structure with direction-changeable device | |
| US20070234497A1 (en) | Linking mechanism for a cleaning tool | |
| CN211448304U (en) | Transmission mechanism and door and window transmission device | |
| CA2860556C (en) | Door latch operator apparatus | |
| US20100092847A1 (en) | Battery cover latching mechanism and portable electronic device using same | |
| EP3775453B1 (en) | Vehicle glove box latch | |
| US20080141545A1 (en) | Keyless clamp device for reciprocating saw | |
| CN110709567A (en) | Adapter for mounting a retaining element of a door or window handle | |
| US20110009040A1 (en) | Knife Sharpening Tool | |
| CN218604102U (en) | Knob for tensioning and locking chain saw blade and chain saw | |
| JP7244892B2 (en) | sliding hinges and cabinets | |
| CN114008285B (en) | Cam device | |
| CN211900123U (en) | Lock seat assembly and locking device | |
| CN211362621U (en) | Chain saw | |
| CN108005473B (en) | Multi-point lock handle for door and window | |
| CN111343808B (en) | Electronic device | |
| CN215443507U (en) | Transmission device | |
| CN215443502U (en) | Door handle device and door handle | |
| CN218021447U (en) | Pressing support capable of being operated by single hand | |
| CN220345275U (en) | Buckle assembly and filter core | |
| CN210142480U (en) | Shell structure and display screen | |
| KR100650084B1 (en) | A lock fitted with furniture | |
| CN212614222U (en) | Fixing piece and transmission device | |
| CN210141056U (en) | Simple sliding door lock | |
| CN213144144U (en) | Conversion piece and transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |