CN213597724U - Narrow transmission box for door and window lock - Google Patents
Narrow transmission box for door and window lock Download PDFInfo
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- CN213597724U CN213597724U CN202022227129.XU CN202022227129U CN213597724U CN 213597724 U CN213597724 U CN 213597724U CN 202022227129 U CN202022227129 U CN 202022227129U CN 213597724 U CN213597724 U CN 213597724U
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- rack
- brace
- transmission
- door
- upper cover
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Abstract
The utility model provides a very narrow transmission box that door and window lock was used belongs to door and window hardware accessories technical field, and it includes upper cover, bottom, brace, drive gear and middle nail, the one end width that the brace was provided with the rack reduce to less than half of whole brace, deuterogamy modify the structure of gear, upper cover and lower cover, through adjusting and optimizing upper cover, bottom, brace and drive gear's structure and mutual cooperation relation, the width of transmission box has greatly been reduced, cooperate the middle nail of demountable installation simultaneously, make the transmission box can change different middle nails according to different section bars or demand, promote the commonality of transmission box, make it can be suitable for the section bars of more sizes; in addition, the mode that the transmission box passes through self tapping screw is fixed on the section bar, combines the dress trim cover that adopts buckle form installation, makes the installation dismantle more simply, the utility model provides a transmission box has that the width is little, the commonality is good and the simple and easy advantage of installation.
Description
Technical Field
The utility model belongs to the technical field of door and window hardware fitting, especially, relate to an extremely narrow transmission box that door and window lock was used.
Background
The transmission box is an accessory which is frequently used on doors and windows, and can lock the doors and windows from the room to prevent burglary in a mechanical transmission mode. And because the structure is unreasonable, the volume is larger, and the universality is reduced.
SUMMERY OF THE UTILITY MODEL
Based on the problems in the prior art, the utility model provides a very narrow transmission box that door and window lock used, it includes upper cover, bottom, brace, drive gear and middle nail, brace one end be provided with the power transmission rod tie point, the other end is provided with the rack, rack end one side of brace flushes with the transfer line link, the other side of rack end reduces to the brace central line direction and the width of rack end is less than the width of half transfer line link, the rack on the brace extend along the length direction of brace and the flank of tooth of rack leans on to one side that reduces; the two braces are provided, the rack ends of the two braces are close to each other and are arranged on the bottom cover in a sliding manner in a centrosymmetric manner, the sliding directions of the two braces are consistent with the length direction of the braces, and a gear installation cavity is formed between the rack tooth surfaces of the two braces; the transmission gear is arranged in the gear mounting cavity and is meshed with the racks of the two pull bars simultaneously; the upper cover and the bottom cover are correspondingly covered on the bottom cover and matched with the bottom cover to surround the rack end of the brace and the transmission gear; the middle nail is detachably and fixedly connected to the connecting end of the driving rod of one of the pull bars.
The transmission rod connecting end of the brace is provided with a limiting bolt hole in a shape of a strip hole close to the rack end.
One side of the bottom cover, which is close to the brace, is provided with two vertical baffles, a brace sliding groove is formed between the two vertical baffles, the width of the brace sliding groove is equal to the width of the transmission rod connecting end of the brace, the bottom cover is provided with two strip-shaped holes corresponding to the limiting bolt holes in the brace sliding groove, and one side of each of the two strip-shaped holes is provided with a screw column.
The upper cover is provided with a self-tapping screw hole corresponding to the limiting bolt hole, and a screw hole is formed in the upper cover corresponding to the screw column.
The transmission gear is arranged on the upper cover and the bottom cover, wherein the upper cover and the bottom cover are provided with shaft holes for mounting the transmission gear at positions corresponding to the rotating shafts of the transmission gear, and the transmission gear is rotatably mounted on the upper cover and the bottom cover through the matching of the rotating shafts and the shaft holes.
The rack reinforcing edge is arranged on one side, close to the upper cover, of the rack of the brace and connected with all the teeth of the rack, the rack reinforcing edge can reinforce the strength of the rack and can also limit the space between the gear and the rack, and the rack is convenient to mount.
The two transmission gears are arranged in the gear installation cavity in parallel, and the transmission is more stable and parallel due to the arrangement of the two gears.
The extremely narrow transmission box that door and window lock used still include the dress trim cover, the upper cover lateral wall on be provided with a plurality of semi-cylindrical horizontal archs, the dress trim cover on be provided with horizontal protruding assorted semi-cylindrical draw-in groove, the dress trim cover through horizontal protruding and semi-cylindrical draw-in groove's cooperation joint on the upper cover.
The middle nail is fixedly mounted on the brace through the bolt in a detachable mode, the middle nail is mounted through the bolt in a detachable mode, different middle nails can be mounted according to actual conditions, and the universality of the transmission box is improved.
The utility model discloses beneficial effect who has:
1. the structure of the transmission box is more reasonable by adjusting and optimizing the structures and the mutual matching relationship of the upper cover, the bottom cover, the brace and the transmission gear, the width of the transmission box is greatly reduced, the occupied space is smaller, the transmission box can be suitable for more sectional materials with different sizes, and the universality of the transmission box is improved;
2. in addition, the middle nail is connected to the brace in a detachable mode such as a bolt, so that the transmission box can be replaced with the middle nails in different styles and sizes according to different sectional materials or requirements, the universality of the transmission box is further improved, and the transmission box can be more suitable for sectional materials in various sizes and styles;
3. the transmission box is fixed on the section bar in a self-tapping screw mode, and the decorative cover installed in a buckle mode is combined, so that the transmission box is simpler and easier to install and disassemble.
Drawings
Fig. 1 is a schematic view of a very narrow transmission case for a door lock.
Fig. 2 is a schematic view of the internal structure of a very narrow transmission case for a door lock.
Fig. 3 is an exploded view of a very narrow transmission case for a door lock.
Fig. 4 and an enlarged schematic view at a in fig. 3.
FIG. 5 is a schematic view of an alternative angle explosion of a very narrow transmission case for a door lock
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The extremely narrow transmission box for the door lock as shown in the attached figures 1-5 comprises an upper cover 1, a bottom cover 2, a brace 3, a transmission gear 4, a middle nail 5 and a decorative cover 6, wherein one end of the brace 3 is provided with a transmission rod connecting point 31, the other end is provided with a rack 32, one side of the rack end of the brace 3 is flush with the connecting end of the transmission rod, the other side of the rack end is reduced towards the central line direction of the brace 3, the width of the rack end is less than the width of the connecting end of the transmission rod with one half, the rack 32 on the brace 3 extends along the length direction of the brace 3, and the tooth surface of the rack 32 leans against the reduced side; the two braces 3 are provided, the rack ends of the two braces 3 are close to each other and are arranged on the bottom cover 2 in a sliding manner in a centrosymmetric manner, the sliding directions of the two braces 3 are consistent with the length direction of the braces 3, a gear installation cavity is formed between the tooth surfaces of the racks 32 of the two braces 3, and a limiting bolt hole 33 in the shape of a strip hole 22 is formed at the position, close to the rack end, of the connecting end of the transmission rod of the brace 3; the transmission gear 4 is arranged in the gear mounting cavity and is simultaneously meshed with the racks 32 of the two pull strips 3; meanwhile, the upper cover 1 and the bottom cover 2 are provided with shaft holes 13 for installing the transmission gears 4 at the positions corresponding to the rotating shafts of the transmission gears 4, and the transmission gears 4 are rotatably installed on the upper cover 1 and the bottom cover 2 through the matching of the rotating shafts and the shaft holes 13; two vertical baffles 21 are arranged on one side, close to the brace 3, of the bottom cover 2, a brace sliding groove is formed between the two vertical baffles 21, the width of the brace sliding groove is equal to that of the connecting end of the transmission rod of the brace 3, two strip-shaped holes 22 corresponding to the limiting bolt holes 33 are arranged in the brace sliding groove of the bottom cover 2, and one side of each of the two strip-shaped holes 22 is provided with a screw column 23; the upper cover 1 is provided with a self-tapping screw hole 11 corresponding to the position of the limit bolt hole 33, and the upper cover 1 is provided with a screw hole 12 corresponding to the screw column 23; the upper cover 1 and the bottom cover 2 are correspondingly covered on the bottom cover 2 and matched with the bottom cover 2 to surround the rack end of the brace 3 and the transmission gear 4; the outer side wall of the upper cover 1 is provided with a plurality of semi-cylindrical transverse bulges 14; the decorative cover 6 is provided with a semi-cylindrical clamping groove 61 matched with the transverse bulge 14, and the decorative cover 6 is clamped on the upper cover 1 through the matching of the transverse bulge 14 and the semi-cylindrical clamping groove 61; the middle nail 5 is detachably and fixedly connected to the connecting end of the driving rod of one of the pull bars 3 through a bolt.
In a preferred embodiment, a rack reinforcing edge 34 is arranged on one side of the rack 32 of the brace 3 close to the upper cover 1, and the rack reinforcing edge 34 is connected with all the teeth of the rack 32.
In a preferred embodiment, the two transmission gears 4 are arranged in parallel in the gear mounting cavity.
In the embodiment, the structures and the mutual matching relationship of the upper cover 1, the bottom cover 2, the brace 3 and the transmission gear 4 are adjusted and optimized, so that the structure of the transmission box is more reasonable, the width of the transmission box is greatly reduced, the occupied space is smaller, the transmission box can be suitable for profiles with more sizes, and the universality of the transmission box is improved; in addition, the middle nail 5 is detachably connected to the brace through bolts and the like, so that the transmission box can be replaced with middle nails of different styles and sizes according to different sectional materials or requirements, the universality of the transmission box is further improved, and the transmission box can be more suitable for sectional materials of various sizes and styles; the transmission box is fixed on the section bar in a self-tapping screw mode, and the decorative cover installed in a buckle mode is combined, so that the transmission box is simpler and easier to install and disassemble.
The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the 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 (9)
1. The extremely narrow transmission box for the door and window lock is characterized by comprising an upper cover (1), a bottom cover (2), a pulling strip (3), a transmission gear (4) and a middle nail (5), wherein one end of the pulling strip (3) is provided with a transmission rod connecting point (31), the other end of the pulling strip is provided with a rack (32), one side of the rack end of the pulling strip (3) is flush with the connecting end of a transmission rod, the other side of the rack end is reduced towards the central line direction of the pulling strip (3), the width of the rack end is less than the width of the connecting end of the transmission rod of one half, the rack (32) on the pulling strip (3) extends along the length direction of the pulling strip (3), and the tooth surface of the rack (32); the two braces (3) are provided, the rack ends of the two braces (3) are close to each other and are arranged on the bottom cover (2) in a sliding manner in a centrosymmetric manner, the sliding directions of the two braces (3) are consistent with the length direction of the braces (3), and a gear installation cavity is formed between the tooth surfaces of the racks (32) of the two braces (3); the transmission gear (4) is arranged in the gear mounting cavity and is simultaneously meshed with the racks (32) of the two pull bars (3); the upper cover (1) and the bottom cover (2) are correspondingly covered on the bottom cover (2) and matched with the bottom cover (2) to surround the rack end of the brace (3) and the transmission gear (4); the middle nail (5) is detachably and fixedly connected to the connecting end of the transmission rod of one of the pull bars (3).
2. The extremely narrow transmission case for door and window locks according to claim 1, characterized in that the drive rod connection end of the brace (3) near the rack end is provided with a limit bolt hole (33) in the shape of a strip hole (22).
3. The extremely narrow transmission case for the door and window lock according to claim 2, characterized in that one side of the bottom cover (2) close to the brace (3) is provided with two vertical baffles (21), a brace sliding groove is formed between the two vertical baffles (21), the width of the brace sliding groove is equal to the width of the transmission rod connecting end of the brace (3), the bottom cover (2) is provided with two strip-shaped holes (22) corresponding to the limit bolt holes (33) in the brace sliding groove, and one side of each of the two strip-shaped holes (22) is provided with one bolt column (23).
4. The extremely narrow transmission box for the door and window lock according to claim 3, characterized in that the upper cover (1) is provided with a self-tapping screw hole (11) corresponding to the position limiting bolt hole (33), and the upper cover (1) is provided with a screw hole (12) corresponding to the screw post (23).
5. The extremely narrow transmission box for the door and window lock according to claim 4, wherein the upper cover (1) and the bottom cover (2) are provided with shaft holes (13) for installing the transmission gear (4) at positions corresponding to the rotating shafts of the transmission gear (4), and the transmission gear (4) is rotatably installed on the upper cover (1) and the bottom cover (2) through the matching of the rotating shafts and the shaft holes (13).
6. The extremely narrow transmission case for door and window locks according to any one of claims 1 to 5, characterized in that the side of the rack (32) of the stay (3) close to the upper cover (1) is provided with a rack reinforcing rim (34), said rack reinforcing rim (34) connecting all the teeth of the rack (32).
7. The extremely narrow transmission box for door and window locks according to claim 6, characterized in that said transmission gears (4) are two, and two transmission gears (4) are arranged in parallel in the gear installation cavity.
8. The extremely narrow transmission box for the door and window lock according to claim 7, characterized in that the transmission box further comprises a decorative cover (6), a plurality of semi-cylindrical transverse protrusions (14) are arranged on the outer side wall of the upper cover (1), semi-cylindrical clamping grooves (61) matched with the transverse protrusions (14) are arranged on the decorative cover (6), and the decorative cover (6) is clamped on the upper cover (1) through the matching of the transverse protrusions (14) and the semi-cylindrical clamping grooves (61).
9. The extremely narrow transmission case for door and window locks according to claim 8, characterized in that said intermediate nail (5) is fixed to the stay (3) by means of a removable bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022227129.XU CN213597724U (en) | 2020-10-09 | 2020-10-09 | Narrow transmission box for door and window lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022227129.XU CN213597724U (en) | 2020-10-09 | 2020-10-09 | Narrow transmission box for door and window lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213597724U true CN213597724U (en) | 2021-07-02 |
Family
ID=76589857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022227129.XU Active CN213597724U (en) | 2020-10-09 | 2020-10-09 | Narrow transmission box for door and window lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213597724U (en) |
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2020
- 2020-10-09 CN CN202022227129.XU patent/CN213597724U/en active Active
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