CN219993430U - Connecting rod transmission mechanism - Google Patents
Connecting rod transmission mechanism Download PDFInfo
- Publication number
- CN219993430U CN219993430U CN202321232079.1U CN202321232079U CN219993430U CN 219993430 U CN219993430 U CN 219993430U CN 202321232079 U CN202321232079 U CN 202321232079U CN 219993430 U CN219993430 U CN 219993430U
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- bevel gear
- transmission
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- shell
- rack
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 210000003781 tooth socket Anatomy 0.000 claims description 6
- 238000007789 sealing Methods 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model relates to a connecting rod transmission mechanism, which aims at solving the technical problems that the existing similar products are difficult to apply to a high-sealing door and a metal cabinet door, and are difficult to use with other transmission mechanisms of the high-sealing door in combination, poor in linkage and stability and inconvenient to produce, assemble, install and use. The key point is that one end of a first bevel gear of the mechanism is an unlocking end, the other end of the first bevel gear is provided with a bevel head, and the outer diameter of the lower part of one end of the bevel head is provided with a gear ring; a second bevel gear is arranged in the transmission shell, a bevel tooth surface at one end of the second bevel gear is meshed with a bevel tooth surface at the bevel head of the first bevel gear, the first bevel gear in the shell is meshed with a tooth hole of the transmission rack through a gear ring, and the other end of the second bevel gear extends out of the shell and is fixedly connected with one end of a spanner lock button; the other end of the spanner lock button is pulled to drive a second bevel gear in the shell to rotate, the second bevel gear drives a first bevel gear to rotate, and the first bevel gear drives a transmission rack to move up and down.
Description
Technical Field
The utility model relates to a connecting rod transmission mechanism of a high-sealing door lock or a cabinet connecting rod lock, which is a connecting rod transmission mechanism.
Background
The high sealing door is mainly used in the fields of van automobiles, containers, freight railways and the like, and is transported by a carriage with a mounting or integrated integral closed independent structure, so that the transportation condition, the sanitary condition, the safety, the integrity and the like of goods are obviously improved. The cabinet door is generally locked by the connecting rod, wherein locking accessories such as a guide piece, a positioning piece and the like are required to be installed on the door plate by the connecting rod of the connecting rod, and multi-step assembly steps are required to realize the locking action of the cabinet lock body. Some similar products are connected and used by adopting a handle lock structure, such as an authorized bulletin number CN217999260U disclosed in Chinese patent literature, an authorized bulletin date 2022.12.09 and an utility model name of an ultrathin compression type multipoint locking mechanism module; however, the product and the like are difficult to be applied to the high-sealing door and the metal cabinet door, and are difficult to be combined with other transmission mechanisms of the high-sealing door, so that the linkage and the stability are poor, and the production, the assembly, the installation and the use are inconvenient.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a connecting rod transmission mechanism to the field, so that the technical problems that the existing similar products are difficult to apply to high-sealing doors and metal cabinet doors, are difficult to combine with other transmission mechanisms of the high-sealing doors for use, have poor linkage and stability, and are inconvenient to produce, assemble and install and use are solved. The aim is achieved by the following technical scheme.
A base of the connecting rod transmission mechanism is buckled and fixed with a transmission shell, at least one side of a shell which is buckled and fixed is provided with a rack groove, one end of a transmission rack in the rack groove is provided with tooth holes which are arranged at equal intervals, and the tooth holes of the transmission rack are meshed with a tooth head at a gear extending out of one side in the shell; the key point of the structural design is that the gear is a first bevel gear, a key hole is formed in a shaft part at one end of the first bevel gear, the key hole of the first bevel gear extends out or is aligned with an unlocking hole of a door plate, a bevel head is arranged at the other end of the first bevel gear, and a gear ring is arranged on the outer diameter below one end of the bevel head; a second bevel gear is arranged in the transmission shell, a bevel tooth surface at one end of the second bevel gear is meshed with a bevel tooth surface at the bevel head of the first bevel gear, the first bevel gear in the shell is meshed with a tooth hole of the transmission rack through a gear ring, and the other end of the second bevel gear extends out of the shell and is fixedly connected with one end of a spanner lock button; the other end of the spanner lock button is pulled to drive a second bevel gear in the shell to rotate, the second bevel gear drives a first bevel gear to rotate, and the first bevel gear drives a transmission rack to move up and down. The key hole of the first bevel gear adopts an extended square head, and is connected with the plane lock through a rotating shaft.
The other end of the transmission rack is respectively provided with a waist-shaped sliding hole, the door plate below the waist-shaped sliding hole of the transmission rack is respectively provided with a guide piece, one end of the linkage connecting rod respectively moves in the waist-shaped sliding hole of the transmission rack through a locating pin, and the other end of the linkage connecting rod is respectively inserted into a through hole of the guide piece. The transmission rack is connected with the top and bottom rods through a linkage connecting rod, or is connected with the other linkage connecting rod (or a rack connecting rod) of the lower transmission mechanism through the linkage connecting rod; the mechanism drives the positioning pin of the linkage connecting rod to move to one end of the kidney-shaped sliding hole through the transmission rack and then moves continuously to realize unlocking or locking.
The middle one end of the base is provided with a convex fixing column, the fixing column of the base is inserted into a column hole of the transmission shell, the other end of the second bevel gear extends out of the fixing column of the base and is fixedly connected with one end of the spanner lock button, a convex bevel tooth socket is arranged in the middle of the transmission shell above the fixing column of the base, and the bevel tooth surface of the second bevel gear is positioned in the bevel tooth socket of the transmission shell. And a bearing is arranged between the second bevel gear and the fixed column of the base, and the second bevel gear is fixedly connected with one end of the spanner lock button through a square head and a screw.
The two sides of the base are symmetrically provided with lower rack grooves, the two sides of the transmission shell are symmetrically provided with corresponding upper rack grooves, and the transmission racks are arranged in the rack grooves formed by the lower rack grooves on one side of the base and the upper rack grooves on one side of the transmission shell. The above is a specific structural embodiment of the rack slot of the housing.
The key hole of the first bevel gear extends out through the lock cylinder assembly or is aligned with the unlocking hole of the door plate. The lock core component is a marble lock core or is arranged in the handle lock, and a key hole of the first bevel gear is connected with a rotating shaft extending out of the bottom of the handle lock.
The utility model has reasonable structural design, convenient production, assembly, installation and use, good stability, strong universality and wider application range; the device is suitable for being used as a connecting rod transmission mechanism of products such as a high-sealing door lock or a cabinet connecting rod lock and the like, and the structural improvement of the products of the same type.
Drawings
Fig. 1 is a schematic diagram of an explosive structure of the present utility model.
Fig. 2 is a schematic perspective view of the assembled structure of fig. 1.
Fig. 3 is a schematic side view of fig. 2.
Fig. 4 is a schematic side sectional structure of fig. 2.
Fig. 5 is a schematic structural diagram of the usage state embodiment of fig. 2.
Figure number and name: 1. the door plate comprises a door plate body, a base, 201, a fixed column, 202, a lower rack groove, 3, a first bevel gear, 4, a transmission shell, 401, a column hole, 402, an upper rack groove, 5, a second bevel gear, 6, a spanner lock button, 7, a linkage connecting rod, 8, a guide piece, 9, a locating pin, 10 and a transmission rack.
Description of the embodiments
The construction and use of the present utility model will now be further described with reference to the accompanying drawings. As shown in fig. 1-5, a base 2 of the mechanism is buckled and fixed with a transmission shell 4, at least one side of the buckled and fixed shell is provided with a rack groove, and one end of a transmission rack 10 in the rack groove is provided with tooth holes which are arranged at equal intervals; a key hole is formed in the shaft part at one end of the first bevel gear 3, the key hole of the first bevel gear extends out or is aligned with the unlocking hole of the door plate 1, the other end of the first bevel gear is provided with a bevel head, and a gear ring is arranged on the outer diameter below one end of the bevel head; a second bevel gear 5 is arranged in the transmission shell, a bevel tooth surface at one end of the second bevel gear is meshed with a bevel tooth surface at the bevel head of the first bevel gear, the first bevel gear in the shell is meshed with a tooth hole of the transmission rack 10 through a gear ring, and the other end of the second bevel gear extends out of the shell and is fixedly connected with one end of a spanner lock button 6; the other end of the spanner lock button is pulled to drive a second bevel gear in the shell to rotate, the second bevel gear drives a first bevel gear to rotate, and the first bevel gear drives a transmission rack to move up and down. Meanwhile, the other end of the transmission rack is respectively provided with a kidney-shaped sliding hole, a door plate below the kidney-shaped sliding hole of the transmission rack is respectively provided with a guide piece 8, one end of the linkage connecting rod 7 respectively moves in the kidney-shaped sliding hole of the transmission rack through a positioning pin 9, and the other end of the linkage connecting rod is respectively inserted into a through hole of the guide piece.
The middle one end of the base is provided with a convex fixing column 201, the fixing column of the base is inserted into a column hole 401 of the transmission shell, the other end of the second bevel gear extends out of the fixing column of the base and is fixedly connected with one end of the spanner lock button, the middle of the transmission shell above the fixing column of the base is provided with a convex bevel tooth socket, and the bevel tooth surface of the second bevel gear is positioned in the bevel tooth socket of the transmission shell. The two sides of the base are symmetrically provided with lower rack grooves 202, the two sides of the transmission shell are symmetrically provided with corresponding upper rack grooves 401, and the transmission racks are arranged in the rack grooves formed by the lower rack grooves on one side of the base and the upper rack grooves on one side of the transmission shell.
When the mechanism is used as a first transmission mechanism, a square key is inserted into a key hole of a door plate, the square key drives a first bevel gear to rotate, the first bevel gear drives a transmission rack to move up and down while driving a second bevel gear to rotate, the transmission rack drives a linkage connecting rod to move up and down, and the linkage connecting rod drives corresponding linkage movement of the second transmission mechanism and a third transmission mechanism to unlock and unlock.
Claims (5)
1. A base (2) of the mechanism is buckled and fixed with a transmission shell (4), at least one side of a shell which is buckled and fixed is provided with a rack groove, one end of a transmission rack (10) in the rack groove is provided with tooth holes which are equidistantly arranged, and the tooth holes of the transmission rack are meshed with a tooth head at a gear extending out of one side in the shell; the gear is a first bevel gear (3), a key hole is formed in a shaft part at one end of the first bevel gear, the key hole of the first bevel gear extends out or is aligned with an unlocking hole of a door plate (1), a bevel head is arranged at the other end of the first bevel gear, and a gear ring is arranged on the outer diameter below one end of the bevel head; a second bevel gear (5) is arranged in the transmission shell, a bevel tooth surface at one end of the second bevel gear is meshed with a bevel tooth surface at the bevel head of the first bevel gear, the first bevel gear in the shell is meshed with a tooth hole of the transmission rack (10) through a gear ring, and the other end of the second bevel gear extends out of the shell and is fixedly connected with one end of a spanner lock button (6); the other end of the spanner lock button is pulled to drive a second bevel gear in the shell to rotate, the second bevel gear drives a first bevel gear to rotate, and the first bevel gear drives a transmission rack to move up and down.
2. The connecting rod transmission mechanism according to claim 1, wherein the other ends of the transmission racks (10) are respectively provided with kidney-shaped sliding holes, the lower parts Fang Menban (1) of the kidney-shaped sliding holes of the transmission racks are respectively provided with guide pieces (8), one ends of the linkage connecting rods (7) respectively move in the kidney-shaped sliding holes of the transmission racks through positioning pins (9), and the other ends of the linkage connecting rods respectively insert into through holes of the guide pieces.
3. The connecting rod transmission mechanism according to claim 1, characterized in that a convex fixing column (201) is arranged at one end of the middle of the base (2), the fixing column of the base is inserted into a column hole (401) of the transmission shell (4), the other end of the second bevel gear (5) extends out of the fixing column of the base and is fixedly connected with one end of the wrench lock button (6), a convex bevel tooth socket is arranged in the middle of the transmission shell above the fixing column of the base, and the bevel tooth surface of the second bevel gear is positioned in the bevel tooth socket of the transmission shell.
4. The connecting rod transmission mechanism according to claim 1, wherein the two sides of the base (2) are symmetrically provided with lower rack grooves (202), the two sides of the transmission shell (4) are symmetrically provided with corresponding upper rack grooves (402), and the transmission rack (10) is arranged in the rack grooves formed by the lower rack grooves on one side of the base and the upper rack grooves on one side of the transmission shell.
5. The linkage transmission mechanism according to claim 1, characterized in that the key hole of the first bevel gear (3) protrudes through the lock cylinder assembly or aligns with the unlocking hole of the door panel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321232079.1U CN219993430U (en) | 2023-05-18 | 2023-05-18 | Connecting rod transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321232079.1U CN219993430U (en) | 2023-05-18 | 2023-05-18 | Connecting rod transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219993430U true CN219993430U (en) | 2023-11-10 |
Family
ID=88604189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321232079.1U Active CN219993430U (en) | 2023-05-18 | 2023-05-18 | Connecting rod transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219993430U (en) |
-
2023
- 2023-05-18 CN CN202321232079.1U patent/CN219993430U/en active Active
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