CN218563301U - Oblique tongue transmission structure of lock body - Google Patents
Oblique tongue transmission structure of lock body Download PDFInfo
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- CN218563301U CN218563301U CN202222294096.XU CN202222294096U CN218563301U CN 218563301 U CN218563301 U CN 218563301U CN 202222294096 U CN202222294096 U CN 202222294096U CN 218563301 U CN218563301 U CN 218563301U
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- lock body
- bolt
- inner handle
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Abstract
The utility model discloses a lock body oblique bolt transmission structure, which comprises a shell, an oblique bolt, a transmission strip, a transmission wheel, an elastic mechanism, an inner handle shaft and an outer handle shaft; the inclined lock tongue is connected with the shell in a sliding mode and provided with a first transmission rack and an inclined lock tongue positioning hole, and the inclined lock tongue positioning hole is formed in the inclined surface of the inclined lock tongue and close to one end of the first transmission rack; the transmission bar is connected with the shell in a sliding way and is provided with a second transmission rack and a poking lug; the driving wheel is arranged between the inclined lock tongue and the driving strip and is respectively meshed with the first driving rack and the second driving rack; the elastic mechanism is connected with the shell and used for abutting against the inclined lock tongue and providing thrust for the inclined lock tongue to extend out; the inner handle shaft can rotate and is provided with an inner handle poking block; the outer handle shaft can rotate and is provided with an outer handle toggle block; the inner handle stirring block and the outer handle stirring block are positioned on one side of the stirring convex block, which is far away from the second transmission rack. The problem of the driven great of rocking of lock body oblique tongue transmission structure is solved.
Description
Technical Field
The utility model relates to a technical field of tool to lock, in particular to lock body oblique tongue transmission structure.
Background
In the lock body of the intelligent lock in the market, a shifting piece structure is usually adopted for oblique tongue transmission, so that the transmission has the advantages of large shaking, low precision, large friction and large noise.
SUMMERY OF THE UTILITY MODEL
The utility model provides a lock body oblique tongue transmission structure for solve the driven great problem of rocking of lock body oblique tongue transmission structure.
The utility model discloses a lock body oblique tongue transmission structure, include:
a housing;
the inclined lock tongue is connected with the shell in a sliding mode and is provided with a first transmission rack and an inclined tongue positioning hole, and the inclined tongue positioning hole is formed in the inclined surface of the inclined lock tongue and is close to one end of the first transmission rack;
the transmission bar is connected with the shell in a sliding way and is provided with a second transmission rack and a shifting lug;
the driving wheel is arranged between the inclined lock tongue and the driving strip and is respectively meshed with the first driving rack and the second driving rack;
the elastic mechanism is connected with the shell and used for abutting against the inclined lock tongue and providing thrust for the inclined lock tongue to extend out;
the inner handle shaft is rotationally connected with the shell and is provided with an inner handle stirring block;
the outer handle shaft is rotationally connected with the shell and is provided with an outer handle poking block;
the inner handle shaft and the outer handle shaft can rotate relatively, and the inner handle stirring block and the outer handle stirring block are located on one side, away from the second transmission rack, of the stirring convex block.
Further, the elastic force mechanism includes:
the spring positioning piece is fixedly connected with the shell and is rotationally connected with the driving wheel;
and two ends of the inclined spring bolt spring respectively abut against the spring positioning piece and the inclined spring bolt.
Furthermore, the spring positioning piece comprises a spring positioning cylinder, and one end of the inclined lock tongue spring is sleeved outside the spring positioning cylinder;
the inclined spring bolt is provided with a spring positioning hole, and the other end of the inclined spring bolt spring is inserted into the spring positioning hole.
Furthermore, the spring positioning piece also comprises a fixed cylinder;
the driving wheel is provided with a kidney-shaped hole, and the fixing cylinder is inserted into the kidney-shaped hole.
Furthermore, a first wheel tooth part and a second wheel tooth part are arranged on the driving wheel;
the first gear tooth part is meshed with the first transmission rack;
the second gear tooth part is meshed with the second transmission rack;
the driving wheel is also provided with a distinguishing mark for distinguishing the first wheel tooth part from the second wheel tooth part.
Furthermore, a first limiting plate is arranged on one side of the first transmission rack of the inclined lock tongue;
and a second limiting plate is arranged on one side of the second transmission rack of the transmission strip.
Furthermore, a cylindrical bulge is arranged on the outer handle shaft;
the inner handle shaft is provided with a positioning hole, and the cylindrical protrusion is inserted into the positioning hole.
Furthermore, a toggle surface which inclines towards the inner handle shaft and the outer handle shaft is arranged on the toggle convex block.
Furthermore, the inner handle shifting block and the outer handle shifting block have the same shape;
the inner handle shifting block is provided with a clamping groove on one side facing to the shifting surface;
the free end of the inner handle shifting block is of a round structure at least at one side facing the shifting lug.
Furthermore, a weight reduction groove is axially arranged on the poking lug.
The utility model discloses a lock body oblique tongue transmission structure, provide thrust through elastic mechanism and make oblique spring bolt part stretch out the casing, the outer handle that drives piece or outer handle axle is dialled to the inner handle through inner handle axle drives the transmission strip under the external force drives, the transmission strip drives the drive wheel rotation, and then it slides to drive oblique spring bolt, realize oblique spring bolt shrink, lock body oblique tongue transmission compact structure, the drive mode who adopts rack and pinion drives oblique spring bolt, the drive wheel is located between oblique spring bolt and the transmission strip, the balanced transmission of drive wheel atress is stable, the spring bolt slides to one side and rocks for a short time, solve the driven great problem of rocking of lock body oblique tongue transmission structure.
Drawings
Fig. 1 is an exploded schematic view of an embodiment of a lock latch bolt transmission structure of the present invention;
fig. 2 is a schematic view of an assembly structure of an embodiment of the latch bolt transmission structure of the lock body of the present invention;
fig. 3 is a schematic structural view of an embodiment of an oblique bolt in the oblique bolt transmission structure of the lock body of the present invention;
fig. 4 is a schematic structural view of an embodiment of an inner handle shaft in the oblique tongue transmission structure of the lock body of the present invention.
Detailed Description
To facilitate understanding of the present invention for those skilled in the art, the present invention will be further described with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.
Fig. 1 to fig. 4 schematically show a lock body latch bolt transmission structure of the present invention.
As shown in fig. 1 to 4, the oblique bolt transmission structure of a lock body of the present invention includes a housing 11, an oblique bolt 12, a transmission bar 13, a transmission wheel 14, an elastic mechanism, an inner handle shaft 18 and an outer handle shaft 17; the inclined bolt 12 is slidably connected with the housing 11, and is provided with a first transmission rack 121 and an inclined bolt positioning hole 122, wherein the inclined bolt positioning hole 122 is arranged at one end of the inclined surface of the inclined bolt 12 close to the first transmission rack 121; the transmission bar 13 is connected with the shell 11 in a sliding way and is provided with a second transmission rack 131 and a toggle bump 132; the transmission wheel 14 is arranged between the inclined bolt 12 and the transmission strip 13, and the transmission wheel 14 is respectively meshed with the first transmission rack 121 and the second transmission rack 131; the elastic mechanism is connected with the shell 11 and used for abutting against the inclined bolt 12 and providing thrust for the inclined bolt 12 to extend out; the inner handle shaft 18 is rotationally connected with the shell 11 and is provided with an inner handle toggle block 181; the outer handle shaft 17 is rotatably connected with the shell 11 and is provided with an outer handle toggle block 171; the inner handle shaft 18 and the outer handle shaft 17 are relatively rotatable, and the inner handle dial block 181 and the outer handle dial block 171 are located on the side of the dial projection 132 facing away from the second transmission rack 131.
Specifically, the oblique spring bolt transmission structure of the lock body provides thrust through the elastic mechanism to enable the oblique spring bolt 12 to partially extend out of the shell 11, the transmission strip 13 is driven by external force to drive the transmission strip 13 through the inner handle shifting block 181 of the inner handle shaft 18 or the outer handle shifting block 171 of the outer handle shaft 17, the transmission strip 13 drives the transmission wheel 14 to rotate, and then the oblique spring bolt 12 is driven to slide, so that the oblique spring bolt 12 is contracted, the oblique spring bolt transmission structure of the lock body is compact, the oblique spring bolt 12 is driven by adopting a gear rack transmission mode, the transmission wheel 14 is arranged between the oblique spring bolt 12 and the transmission strip 13, the transmission wheel 14 is subjected to balanced transmission and stable in stress, the oblique spring bolt 12 slides and shakes little, and the problem that the transmission of the oblique spring bolt transmission structure of the lock body shakes greatly is solved.
It should be noted that in some embodiments, the sliding connection between the inclined latch 12 and the housing 11, and the sliding connection between the driving bar 13 and the housing 11, can be achieved by providing a sliding slot or a sliding hole in the housing 11, and providing a guiding protrusion on the inclined latch 12 and the driving bar 13, respectively, and the guiding protrusion is inserted into the sliding slot or the sliding hole and moves along the sliding slot or the sliding hole.
It should be noted that in some embodiments, the latch bolt 12 is provided with a latch bolt positioning hole 122, and the latch bolt positioning hole 122 is provided at an end of the inclined surface of the latch bolt 12 close to the first transmission rack 121. In some embodiments, the deadbolt locating hole 122 only serves to reduce the weight and material usage of the deadbolt 21; in some embodiments, the edge of the latch bolt locating hole 122 is provided with a guide ramp.
Further, in some embodiments, the resilient mechanism includes a spring retainer 1 and a canted bolt spring 15; the spring positioning piece 16 is fixedly connected with the shell 11 and is rotationally connected with the driving wheel 14; the two ends of the inclined bolt spring 15 respectively abut against the spring positioning piece 16 and the inclined bolt 12.
Specifically, the inclined bolt spring 15 abuts against the inclined bolt 12 to provide thrust for the extension of the inclined bolt 12, and when the inclined bolt 12 contracts, the thrust of the inclined bolt spring 15 needs to be overcome; in some embodiments, the spring retainer 16 is partially removably inserted into the drive wheel 14.
It should be noted that in some embodiments, the spring retainer 16 is inserted into the housing 11, and the spring retainer 16 and the housing 11 can be fixed by screws.
It should be noted that in some embodiments, the spring positioning element 16 is provided with a protruding rib on the side facing the transmission wheel 14 for limiting the transmission wheel 14.
Further, in some embodiments, the spring positioning member 16 includes a spring positioning cylinder 161, and one end of the inclined bolt spring 15 is sleeved outside the spring positioning cylinder 161; the inclined bolt 12 is provided with a spring positioning hole 124, and the other end of the inclined bolt spring 15 is inserted into the spring positioning hole 124.
Specifically, the inclined bolt spring 15 can be better fixed through the spring positioning cylinder 161 and the spring positioning hole 124, so that the inclined bolt transmission structure of the lock body works stably.
Further, in some embodiments, the spring locator 16 also includes a fixed cylinder 162; the driving wheel 14 is provided with a kidney-shaped hole 143, and the fixing cylinder 162 is inserted into the kidney-shaped hole 143.
Specifically, due to the length limitation of the kidney-shaped hole 143, the fixed cylinder 162 may limit the rotation angle of the transmission wheel 14, and thus the moving distance of the inclined locking tongue 12.
Further, in some embodiments, a first wheel tooth 141 and a second wheel tooth 142 are provided on the driving wheel 14; the first gear tooth portion 141 meshes with the first transmission rack 121; the second gear tooth portion 142 is engaged with the second driving rack 131; the driving wheel 14 is further provided with a distinguishing mark for distinguishing the first wheel tooth 141 from the second wheel tooth 142.
Specifically, a spacing region without gear teeth can be arranged between the first gear tooth portion 141 and the second gear tooth portion 142, so that the weight and the material consumption of the driving wheel 14 can be reduced, the meshing initial position can be accurately judged, and the matching distinguishing mark can also facilitate the assembly of the driving wheel 14.
Further, in some embodiments, the inclined bolt 12 is provided with a first limit plate 123 at one side of the first transmission rack 121; the driving rack 13 is provided with a second stopper plate 133 at one side of the second driving rack 131.
Specifically, the first position-limiting plate 123 and the second position-limiting plate 133 are disposed on the same side of the transmission wheel 14, and are used for limiting the transmission wheel 14, so as to prevent the transmission wheel 14 from being separated from the first transmission rack 121 and the second transmission rack 131 in the direction, and thus the operation of the lock latch bolt transmission structure is stable.
Further, in some embodiments, the outer handle shaft 17 is provided with a cylindrical protrusion 172; the inner handle shaft 18 is provided with a positioning hole 182, and the cylindrical protrusion 172 is inserted into the positioning hole 182.
Specifically, the outer handle shaft 17 and the inner handle shaft 18 are coaxially arranged, and the cylindrical protrusion 172 is inserted into the positioning hole 182, so that the poking effect of the inner handle poking block 181 and the outer handle poking block 171 on the poking convex block 132 is basically consistent.
Further, in some embodiments, the toggle projection 132 is provided with a toggle face 1321 that is inclined toward the inner handle shaft 18 and the outer handle shaft 17.
Specifically, the inclined shifting surface 1321 can increase the contact area, reduce the friction force of the contact surface, reduce the abrasion strength of the inner handle shifting block 181 and the outer handle shifting block 171, and prolong the service life of the lock oblique tongue transmission structure.
Further, in some embodiments, the inner handle dial block 181 and the outer handle dial block 171 are the same shape; the inner handle shifting block 181 is provided with a clamping groove on one side facing the shifting surface 1321; the free end of the inner handle dial block 181 is rounded at least on the side facing the dial knob 132.
Specifically, similarly, the outer handle toggle block 171 is provided with a clamping groove 1711 on the side facing the toggle surface 1321, one end of the toggle projection 132 and the toggle surface 1321 are adapted to be inserted into the clamping groove, so that the toggle projection 132 is tightly attached to the inner handle toggle block 181 and the outer handle toggle block 171, the toggle reaction of the toggle projection 132 on the inner handle toggle block 181 or the outer handle toggle block 171 is sensitive, the use accuracy of the lock body latch bolt transmission structure is improved, and the lock body latch bolt transmission structure is more comfortable to use; the free end of the inner handle toggle block 181 is rounded at least at the side facing the toggle cam 132, which reduces wear on the toggle cam 132.
Further, in some embodiments, the toggle projection 132 is provided with a weight-reducing slot 1322 along the axial direction.
Specifically, the weight-reducing slots 1322 can reduce the weight of the toggle projections 132, so that the total weight of the latch transmission structure of the lock body is lighter; in some embodiments, the weight-reducing slots 1322 are provided with a flexible material, such as a sponge, for buffering when the toggle protrusion 132 is toggled, so as to prevent the hard material from directly interfering with the housing 11, and increase the comfort and the service life of the latch bolt transmission structure of the lock body.
The utility model discloses a lock body oblique tongue transmission structure, it makes oblique spring bolt 12 part stretch out casing 11 to provide thrust through oblique spring bolt spring 15, the inner handle through inner handle axle 18 under the external force drives dials piece 181 or outer handle axle 17's outer handle and dials piece 171 and drive transmission strip 13, transmission strip 13 drives the drive wheel 14 rotation, and then it slides to drive oblique spring bolt 12, realize the shrink of spring bolt 12 to one side, lock body oblique tongue transmission compact structure, the drive mode who adopts rack and pinion drives oblique spring bolt 12, drive wheel 14 locates between oblique spring bolt 12 and the transmission strip 13, the balanced transmission of 14 atresss of drive wheel is stable, spring bolt 12 slides to one side and rocks for a short time, solve the driven great problem of rocking of lock body oblique tongue transmission structure.
What has been described above is merely some embodiments of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. A lock body latch bolt transmission structure is characterized by comprising:
a housing;
the inclined lock tongue is connected with the shell in a sliding mode and provided with a first transmission rack and an inclined tongue positioning hole, and the inclined tongue positioning hole is formed in the inclined surface of the inclined lock tongue and is close to one end of the first transmission rack;
the transmission bar is connected with the shell in a sliding manner and is provided with a second transmission rack and a shifting lug;
the transmission wheel is arranged between the inclined lock tongue and the transmission strip and is respectively meshed with the first transmission rack and the second transmission rack;
the elastic mechanism is connected with the shell and used for abutting against the inclined lock tongue and providing thrust for the inclined lock tongue to extend out;
the inner handle shaft is rotationally connected with the shell and is provided with an inner handle poking block;
the outer handle shaft is rotationally connected with the shell and is provided with an outer handle stirring block;
the inner handle shaft and the outer handle shaft can rotate relatively, and the inner handle stirring block and the outer handle stirring block are located on one side, away from the second transmission rack, of the stirring lug.
2. The lock body latch bolt actuation arrangement of claim 1, wherein said spring mechanism comprises:
the spring positioning piece is fixedly connected with the shell and is rotationally connected with the driving wheel;
and two ends of the inclined spring bolt spring respectively abut against the spring positioning piece and the inclined spring bolt.
3. The lock body latch bolt transmission structure of claim 2, wherein the spring positioning member comprises a spring positioning cylinder, and one end of the latch bolt spring is sleeved outside the spring positioning cylinder;
the inclined spring bolt is provided with a spring positioning hole, and the other end of the inclined spring bolt spring is inserted into the spring positioning hole.
4. The lock body latch bolt actuation arrangement of claim 3, wherein said spring positioning member further comprises a fixed cylinder;
the transmission wheel is provided with a kidney-shaped hole, and the fixing cylinder is inserted into the kidney-shaped hole.
5. The lock body latch bolt transmission of claim 1, wherein said transmission wheel has a first wheel tooth and a second wheel tooth;
the first gear tooth part is meshed with the first transmission rack;
the second gear tooth part is meshed with the second transmission rack;
the driving wheel is further provided with a distinguishing mark for distinguishing the first wheel tooth part and the second wheel tooth part.
6. The lock body oblique bolt transmission structure of claim 1, wherein the oblique bolt is provided with a first limit plate at one side of the first transmission rack;
and a second limiting plate is arranged on one side of the second transmission rack of the transmission strip.
7. The lock body latch bolt transmission of claim 1, wherein said outer handle shaft is provided with a cylindrical protrusion;
the inner handle shaft is provided with a positioning hole, and the cylindrical protrusion is inserted into the positioning hole.
8. The lock body oblique tongue transmission structure according to claim 1, wherein said toggle projection is provided with a toggle face inclined toward said inner handle shaft and said outer handle shaft.
9. The lock body latch bolt drive of claim 8, wherein said inner handle dial block and said outer handle dial block are identical in shape;
the inner handle shifting block is provided with a clamping groove on one side facing the shifting surface;
the free end of the inner handle poking block is of a round structure at least on one side facing the poking convex block.
10. The lock body oblique tongue transmission structure according to claim 1, wherein a weight-reducing groove is axially formed on the toggle projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222294096.XU CN218563301U (en) | 2022-08-29 | 2022-08-29 | Oblique tongue transmission structure of lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222294096.XU CN218563301U (en) | 2022-08-29 | 2022-08-29 | Oblique tongue transmission structure of lock body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218563301U true CN218563301U (en) | 2023-03-03 |
Family
ID=85311799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222294096.XU Active CN218563301U (en) | 2022-08-29 | 2022-08-29 | Oblique tongue transmission structure of lock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218563301U (en) |
-
2022
- 2022-08-29 CN CN202222294096.XU patent/CN218563301U/en active Active
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