CN220705409U - Anti-lock linkage mechanism of lock body - Google Patents
Anti-lock linkage mechanism of lock body Download PDFInfo
- Publication number
- CN220705409U CN220705409U CN202322051886.XU CN202322051886U CN220705409U CN 220705409 U CN220705409 U CN 220705409U CN 202322051886 U CN202322051886 U CN 202322051886U CN 220705409 U CN220705409 U CN 220705409U
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- lock
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- bottom plate
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- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to an anti-lock linkage mechanism of a lock body, wherein the lock body is provided with a bottom plate assembly, and a main lock driving assembly, an anti-lock driving assembly and an anti-lock carriage are arranged on the bottom plate assembly; the main lock driving assembly comprises a handle pulling piece, the back lock pulling plate is fixedly connected with a back lock tongue, and the back lock driving assembly is provided with back lock cam teeth; the back-locking linkage mechanism comprises a straight transmission bar, a middle transmission piece and an inclined transmission bar; the straight transmission bar is provided with an upper bulge and a lower bulge, the inclined transmission bar is provided with an upper tooth and a lower tooth, the middle transmission piece is provided with a middle meshing part and a middle poking part, and the middle meshing part is provided with a plurality of middle teeth; the lower teeth are engaged with the anti-lock cam teeth for driving connection, the upper teeth are engaged with the middle teeth for driving connection, and the handle pulling piece extends to the straight driving strip to be abutted with the upper bulge. The utility model has the advantages that the transmission is carried out through a plurality of transmission parts, in particular to a gear transmission structure, the structure is stable, the parts are not easy to deform, and the unlocking is labor-saving when in use.
Description
Technical Field
The utility model relates to an anti-lock linkage mechanism of a lock body.
Background
The existing lock body is provided with a bottom plate assembly, and the bottom plate assembly is provided with a main lock driving assembly, a back lock driving assembly and a back lock carriage which is driven by the back lock driving assembly to rotate and move linearly; the main lock driving assembly comprises a handle pulling piece, the back lock pulling plate is fixedly connected with a back lock tongue, the handle pulling piece and the back lock pulling plate are connected through a long transmission bar to perform transmission of motion, and the main lock driving assembly in the lock body is generally positioned at the upper right corner in the lock body, the back lock pulling plate is positioned at the lower right corner in the lock body, and the handle pulling piece and the back lock pulling plate are far apart from each other. There is therefore a need for further improvements in existing structures.
Disclosure of Invention
The utility model aims to provide an anti-lock linkage mechanism of a lock body, which has a stable structure and saves unlocking force.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the lock body is provided with a bottom plate assembly, and the bottom plate assembly is provided with a main lock driving assembly, a back lock driving assembly and a back lock carriage which is driven by the back lock driving assembly to rotate and move linearly; the main lock driving assembly comprises a handle pulling piece, the back lock pulling plate is fixedly connected with a back lock tongue, and the back lock driving assembly is provided with back lock cam teeth; the back-locking linkage mechanism comprises a straight transmission bar, a middle transmission piece and an inclined transmission bar; the straight transmission bar can be vertically and slidably arranged on the bottom plate assembly, an upper bulge and a lower bulge are correspondingly arranged at the head end and the tail end, the inclined transmission bar can be obliquely and slidably arranged on the bottom plate assembly, an upper tooth and a lower tooth are correspondingly arranged at the head end and the tail end, the middle transmission piece can be rotatably arranged on the bottom plate assembly, a middle meshing part and a middle poking part are arranged on the middle transmission piece, and the middle meshing part is provided with a plurality of middle teeth; the lower teeth are in meshed transmission connection with the anti-lock cam teeth, the upper teeth are in meshed transmission connection with the middle teeth, the middle poking part extends to the straight transmission bar to be in butt joint with the lower bulge, and the handle poking piece extends to the straight transmission bar to be in butt joint with the upper bulge.
The utility model has the advantages that the transmission is carried out through a plurality of transmission parts, in particular to a gear transmission structure, the structure is stable, the parts are not easy to deform, and the unlocking is labor-saving when in use.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a lock body according to an embodiment of the present utility model.
Fig. 2 is a schematic view of a three-dimensional exploded state structure of a lock body according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a three-dimensional exploded view of another angle of the lock body according to an embodiment of the present utility model.
FIG. 4 is a schematic view showing a three-dimensional structure of the combination of the counter lock bracket and the counter lock tongue according to the embodiment of the present utility model.
Fig. 5 is a schematic cross-sectional view of the component shown in fig. 4.
Detailed Description
As shown in fig. 1 to 3, the lock body has a base plate 11 assembly, and the base plate 11 assembly includes a base plate 11 and a guide plate 12, and the guide plate 12 is fixed to a bent surface of one side of the base plate 11. The base plate 11 is provided with a main lock driving assembly, a back lock driving assembly and a back lock carriage 21 which is driven by the back lock driving assembly to rotate and move linearly.
The main lock driving assembly comprises a handle plectrum 51, and the main lock driving assembly adopts a conventional structure, for example, the handle plectrum 51 is arranged on a clutch through the combination of the clutch and the handle, and the handle plectrum 51 can rotate back and forth through the rotation of the handle.
The back lock carriage 21 is fixedly connected with a back lock tongue 22, the guide plate 12 is provided with a back lock tongue through hole 121, and the back lock tongue 22 passes through the back lock tongue through hole 121; the bottom plate 11 is provided with a carriage guide post 212, the back locking carriage 21 is provided with a runway hole which is transversely extended, and the carriage guide post 212 passes through the runway hole. The locking carriage 21 is provided with an open slot 211, a rotary pulling arm 231 is arranged on the outer circumferential surface of the shaft sleeve 23 in a radially outward extending manner, the rotary pulling arm 231 extends into the open slot 211, and the forward and reverse rotation of the shaft sleeve 23 drives the rotary pulling arm 231 to act on two opposite side walls of the open slot 211 respectively so as to enable the locking carriage 21 to move linearly back and forth in the transverse direction.
As shown in fig. 3 to 5, the opposite sides 213 of the locking bracket 21 and the connecting sides 214 connecting the opposite sides 213 are formed with reinforcing ribs 215, and the locking tongue 22 is connected to the connecting sides 215. More specifically, the anti-lock tongue 22 is formed with a plug-in port 221, two opposite sides of the plug-in port 221 are provided with notches 222, the connecting edge 214 of the anti-lock carriage 21 extends into the plug-in port 221, the reinforcing rib at the connecting edge 215 is clamped in the notches 222, and the part of the anti-lock carriage 21 located inside the anti-lock tongue 22 is abutted against the upper inner side wall 223 of the plug-in port 221.
The counter-lock drive assembly has counter-lock cam teeth 24, a sleeve 23 and a counter-lock spring 25. The shaft sleeve 23 is rotatably installed on the bottom plate 11, the anti-lock cam teeth 24 are arranged on the outer circumferential surface of the shaft sleeve 23, and the outer circumferential surface of the shaft sleeve 23 is also provided with a connecting part 232; one end of the back lock spring 25 is sleeved on the carriage guide post 212, and the other end is sleeved on the connecting part 232 of the shaft sleeve 23. When the anti-lock cam tooth 24 is used, an anti-lock torsion piece can be connected, a user can act on the anti-lock cam tooth 24 to rotate back and forth through rotating the anti-lock torsion piece, and the anti-lock spring 25 applies acting force to the shaft sleeve 23 due to the change of a torsion arm, so that the shaft sleeve 23 forms a certain self-locking angle, and the anti-lock tongue 22 is ensured not to rebound under the action of external force.
The back-lock linkage includes a straight drive bar 31, an intermediate drive 32 and an angled drive bar 33.
The straight transmission bar 31 is vertically slidably mounted on the base plate 11 assembly, specifically, a guide post is arranged on the base plate 11, and a strip runway hole is formed in the straight transmission bar 31, and the guide post penetrates through the strip runway hole to realize vertical sliding guide. The diagonal drive bar 33 is mounted on the base plate 11 assembly in a tiltable and slidable manner, and in particular, the base plate 11 is provided with at least two diagonal guide posts, the diagonal drive bar 33 being provided with racetrack holes extending along its length, the diagonal guide posts passing through the racetrack holes.
The straight transmission bar 31 is correspondingly provided with an upper bulge 311 and a lower bulge 312 at the head and tail ends, the inclined transmission bar 33 is correspondingly provided with an upper tooth 331 and a lower tooth 332 at the head and tail ends, the middle transmission piece 32 is rotatably arranged on the bottom plate 11 assembly and is provided with a middle meshing part 321 and a middle poking part 322, and the middle meshing part 321 is provided with a plurality of middle teeth; the lower teeth 332 are in meshed driving connection with the anti-lock cam teeth 24, the upper teeth 331 are in meshed driving connection with the middle teeth, the middle poking part 322 extends to the straight driving bar 31 to be abutted with the lower bulge 312, and the handle poking piece 51 extends to the straight driving bar 31 to be abutted with the upper bulge 311.
When the handle is used for operation, the handle pulling piece 51 of the main lock driving assembly rotates clockwise, the upper protrusion 311 of the handle pulling piece 51 abuts against the straight transmission bar 31 and drives the straight transmission bar 31 to move vertically upwards, the lower protrusion 312 of the straight transmission bar 31 acts on the middle pulling part 322 of the middle transmission piece 32 to rotate the middle transmission piece 32, so that the inclined transmission bar 33 slides to drive the shaft sleeve 23 to rotate clockwise, and the reverse lock pulling plate 21 is pulled to retract into the lock body with the reverse lock tongue 22. After the handle is released, the handle pulling piece 51 can reset under the action of the main lock driving assembly, the straight transmission bar 31 is in a free state, the shaft sleeve 23 forms a certain self-locking angle under the action of the counter lock spring 25 in the state, the counter lock tongue 22 cannot rebound, only a user twists the counter lock torsion piece to lock, and the shaft sleeve 23 can overcome the action of the counter lock spring 25 to enable the counter lock tongue 22 to rebound and lock.
The lock body is also provided with a lock core, the poking cam of the lock core can be rotated under the action of the lock core, the lower bulge 312 of the straight transmission bar 31 is pushed to enable the straight transmission bar 31 to vertically slide upwards, the lower bulge 312 of the straight transmission bar 31 is acted on the middle poking part 322 of the middle transmission piece 32 to enable the middle transmission piece 32 to rotate, so that the inclined transmission bar 33 slides to drive the shaft sleeve 23 to rotate clockwise, the counter lock carriage 21 is pulled to retract into the lock body with the counter lock tongue 22, and the purpose of unlocking the counter lock tongue 22 can be achieved.
The above embodiments are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present utility model are all equivalent substitutions and are included in the scope of the present utility model.
Claims (7)
1. The lock body is provided with a bottom plate assembly, and the bottom plate assembly is provided with a main lock driving assembly, a back lock driving assembly and a back lock carriage which is driven by the back lock driving assembly to rotate and move linearly; the main lock driving assembly comprises a handle pulling piece, and the back lock pulling plate is fixedly connected with a back lock tongue, and is characterized in that the back lock driving assembly is provided with back lock cam teeth; the back-locking linkage mechanism comprises a straight transmission bar, a middle transmission piece and an inclined transmission bar; the straight transmission bar can be vertically and slidably arranged on the bottom plate assembly, an upper bulge and a lower bulge are correspondingly arranged at the head end and the tail end, the inclined transmission bar can be obliquely and slidably arranged on the bottom plate assembly, an upper tooth and a lower tooth are correspondingly arranged at the head end and the tail end, the middle transmission piece can be rotatably arranged on the bottom plate assembly, a middle meshing part and a middle poking part are arranged on the middle transmission piece, and the middle meshing part is provided with a plurality of middle teeth; the lower teeth are in meshed transmission connection with the anti-lock cam teeth, the upper teeth are in meshed transmission connection with the middle teeth, the middle poking part extends to the straight transmission bar to be in butt joint with the lower bulge, and the handle poking piece extends to the straight transmission bar to be in butt joint with the upper bulge.
2. The anti-lock linkage mechanism of claim 1, wherein the base plate assembly comprises a base plate and a guide plate, and the guide plate is fixed on a bending surface at one side of the base plate; the guide plate is provided with an anti-lock tongue through hole, and the anti-lock tongue passes through the anti-lock tongue through hole; the bottom plate is provided with a carriage guide post, the back-locking carriage is provided with a runway hole which is transversely extended, and the carriage guide post penetrates through the runway hole.
3. The anti-lock linkage mechanism of claim 2, wherein the base plate is provided with at least two inclined guide posts, the inclined drive bars are provided with runway holes extending along the length direction of the inclined drive bars, and the inclined guide posts penetrate through the runway holes.
4. A lock body anti-lock linkage according to claim 2, wherein the anti-lock drive assembly comprises a sleeve and an anti-lock spring; the shaft sleeve is rotatably arranged on the bottom plate, the anti-lock cam teeth are arranged on the outer peripheral surface of the shaft sleeve, and the outer peripheral surface of the shaft sleeve is also provided with a connecting part; one end of the back locking spring is sleeved on the carriage guide post, and the other end of the back locking spring is sleeved on the connecting part of the shaft sleeve.
5. The anti-lock linkage mechanism of claim 4, wherein the anti-lock carriage is provided with an open slot, the outer circumferential surface of the shaft sleeve is radially and outwardly extended with a rotary shifting arm, the rotary shifting arm extends into the open slot, and the forward and reverse rotation of the shaft sleeve drives the rotary shifting arm to act on opposite side walls of the open slot respectively to enable the anti-lock carriage to linearly move left and right in the transverse direction.
6. The anti-lock linkage mechanism of claim 1, wherein the opposite sides of the anti-lock carriage and the connecting sides connecting the opposite sides are formed with reinforcing ribs, and the anti-lock tongue is connected to the connecting sides.
7. The anti-lock linkage mechanism of claim 6, wherein the anti-lock tongue is formed with a socket, notches are formed on opposite sides of the socket, a connecting edge of the anti-lock carriage extends into the socket, a reinforcing rib at the connecting edge is clamped in the notch, and a part of the anti-lock carriage located inside the anti-lock tongue is abutted against an upper inner side wall of the socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322051886.XU CN220705409U (en) | 2023-08-01 | 2023-08-01 | Anti-lock linkage mechanism of lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322051886.XU CN220705409U (en) | 2023-08-01 | 2023-08-01 | Anti-lock linkage mechanism of lock body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220705409U true CN220705409U (en) | 2024-04-02 |
Family
ID=90438098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322051886.XU Active CN220705409U (en) | 2023-08-01 | 2023-08-01 | Anti-lock linkage mechanism of lock body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220705409U (en) |
-
2023
- 2023-08-01 CN CN202322051886.XU patent/CN220705409U/en active Active
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