CN211851299U - Automatic telescopic machanism of trick lock - Google Patents
Automatic telescopic machanism of trick lock Download PDFInfo
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- CN211851299U CN211851299U CN201922262579.XU CN201922262579U CN211851299U CN 211851299 U CN211851299 U CN 211851299U CN 201922262579 U CN201922262579 U CN 201922262579U CN 211851299 U CN211851299 U CN 211851299U
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- knob
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- outer sleeve
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Abstract
The utility model discloses an automatic telescopic mechanism of a coded lock, wherein a lock shell is cylindrical, a knob which is cylindrical is buckled in the lock shell, an inner sleeve and an outer sleeve which are mutually matched are arranged in a cavity which is formed by the knob and the lock shell, a motor is arranged in the cavity of the inner sleeve, the motor is in transmission connection with a rotating shaft through a gear reduction transmission mechanism, a pin shaft and a spring are arranged on the rotating shaft, and when the motor rotates, the spring is compressed forwards through the pin shaft to drive the knob to extend out of the lock shell; when the knob rotates, the outer sleeve and the inner sleeve drive the gland to rotate; when the knob rotates reversely, the motor rotates reversely and drives the knob to retract into the lock shell through the pin axial rear compression spring. The utility model discloses effectively solved current lock knob always outside or press the manual of lock to press and press the switch lock and its problem of bumping the hand easily, had very high practical value.
Description
Technical Field
The utility model belongs to the technical field of the tool to lock technique and specifically relates to an automatic telescopic machanism of trick lock is related to.
Background
The structure of the conventional door lock is as follows: the round knob is always outside, or a pressing structure is adopted, and the round knob is pressed to pop out and then pressed into. For example, chinese patent publication No. CN2446232, published 2001, 09/05, entitled apparatus cabinet door lock, discloses that when locking a door, a knob is rotated, and a locking rod drives a pin to rotate in a keyhole member having two B-shaped holes, so that the door can be automatically lifted up when locking the door, and the lifting state of the door is always maintained, thereby avoiding the door lifting action when locking the door, and effectively preventing the door from tilting. The disadvantage is that the rotary knob of the lock is always on the outside. For another example, the name of the invention creation is an invisible door lock, which is disclosed in chinese patent publication No. CN102383650B, published 2013, 09 and 11, and the application discloses a door lock comprising a lock body and an unlocking assembly fixedly mounted on a door leaf, and a fastening seat fixedly mounted on a door frame; the unlocking assembly comprises a retainer ring, a part of the retainer ring is hollow, a pressing piece is pivoted on the retainer ring, the pivot of the pressing piece is parallel to the plane of the door leaf, and the pressing piece can rotate around the pivot and partially extend into the hollow part of the retainer ring; the lock body is provided with a connecting piece, one end of which extends into the retainer ring and is matched with the pressing piece. The disadvantages of the lock are that firstly, the knob of the lock is pressed to pop out or press back after being pressed by hand, secondly, the knob of the lock is pressed to be rectangular, one end of the rectangular knob pops out after being unlocked, the door is at a certain angle, the popping part is used as a handle, at the moment, the rectangular groove left after one end of the rectangular knob pops out is provided with a 90-degree angle, the groove edge is in a scissor form with the corresponding rectangular knob edge, when one end of the rectangular knob is held by a hand to rotate, the finger joint has a certain probability to touch the groove edge of the groove, and according to the force analysis of the lever principle, when one end of the rectangular knob pops out, the angle presented by the door is smaller, the power arm is longer when the knob rotates in the plane of the door, the force transmitted by the hand is smaller, the lock is easier to be opened and closed, the finger joint is more easy to touch the groove, the hand is more vulnerable to bruising.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that current lock knob is always outside or press the manual of lock to press down and to operate switch lock and easily bump the hand, provide an automatic telescopic machanism, when password input is correct, the lock knob is automatic to be stretched out, and the lock knob is then automatic withdrawal after the door is closed, can effectively solve the problem that prior art exists.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: an automatic telescopic mechanism of a coded lock is characterized in that a lock shell is cylindrical, a cylindrical knob is buckled in the lock shell, an inner sleeve and an outer sleeve which are matched with each other are arranged in a cavity formed by the knob and the lock shell, a disc is arranged at the rear end of the inner sleeve, a limiting flange is arranged at the outer edge of one side, close to the inner sleeve, of the disc, a touch switch is arranged on the limiting flange, the front end of the outer sleeve is fixedly connected with the knob, a motor is arranged in a cavity of the inner sleeve, a rotating shaft penetrates through the outer sides of the inner sleeve and the outer sleeve, the motor is in transmission connection with the rear end of the rotating shaft through a gear reduction transmission mechanism, a spring is sleeved on the rotating shaft, the front end of the spring is abutted against the middle of the outer sleeve, the rear end of the spring is abutted against the rear portion of the outer sleeve, a pin shaft, the disc is buckled with a gland; when the motor rotates forwards, the pin shaft is driven by the rotating shaft to rotate to compress the spring forwards, and the spring extrudes the outer sleeve outwards to drive the knob to extend out of the lock shell; when the knob rotates, the outer sleeve and the inner sleeve drive the gland to rotate; when the knob rotates to the touch switch for triggering, the motor rotates reversely to drive the pin shaft to rotate through the rotating shaft and compress the spring backwards, and the spring extrudes the outer sleeve inwards to drive the knob to retract into the lock shell. The utility model discloses a motor drives the knob and realizes flexible, and when the input password is correct, the motor forward rotates and drives round pin axle through the pivot and rotate and turn round forward compression spring one by one, and outside the spring extrudees the outer sleeve and drives the knob and stretch out outside the lock shell, and the convenience is rotated the operation to the knob. When the knob rotates, the outer sleeve and the inner sleeve drive the gland to rotate to complete the door opening action; after the door is closed, the door is locked through the reverse rotation of the knob, the touch switch is triggered when the knob is in place in the reverse rotation, the motor reversely rotates through the rotating shaft to drive the pin shaft to rotate and compress the spring backwards circle by circle, and the spring inwards extrudes the outer sleeve to drive the knob to retract into the lock shell. Therefore, the utility model provides a prior art's lock knob outside or press the manual press operation switch lock of lock to bump the problem of hand easily always.
Preferably, one side of the outer sleeve is respectively provided with a front baffle and a rear baffle, the front baffle and the rear baffle are respectively provided with a rotating shaft hole for penetrating the rotating shaft, the front end of the spring is abutted against the front baffle, and the rear end of the spring is abutted against the rear baffle. The rotating shaft hole is used for penetrating the rotating shaft, so that the outer sleeve can slide relative to the rotating shaft.
Preferably, the outer end part of the outer sleeve is provided with an end plate, the outer sleeve is fixedly connected with the bottom of the knob through the end plate, the shape of the cross section of the inner sleeve and the cross section of the cavity of the outer sleeve are waist-circular, and a circumferential rotation-preventing structure is formed between the inner sleeve and the outer sleeve. Therefore, the outer sleeve can only slide along the axial direction of the inner sleeve, and when the knob rotates, the outer sleeve drives the inner sleeve and the gland to rotate synchronously in the circumferential direction.
Preferably, the outer diameter of the limit flange is larger than the diameter of the circular hole, and the rear side edge of the limit flange abuts against the bottom of the lock housing to prevent the inner sleeve from moving backwards.
Preferably, the center of the top of the gland is provided with a connecting block, the connecting block is fixedly connected with the shifting piece, the shifting piece is provided with a pin, and the shifting piece and the pin are driven to rotate to open and close the box door when the gland rotates.
Preferably, an outward turning round sleeve is formed at the round hole of the lock shell, the outward turning round sleeve is sleeved on the outer side of the disc, and a limiting flange on the disc and the outer edge of the gland are clamped at two ends of the outward turning round sleeve to form an axial limiting structure. The design makes the contact surface between the outer edge of the disc and the inner wall of the eversion circular sleeve enlarged, and when the disc rotates, local abrasion deformation caused by stress concentration is prevented. Meanwhile, the gland bush and the inner sleeve can rotate in the circumferential direction but cannot move in the axial direction.
Preferably, the knob is provided with a handle, the handle is arranged in a cylinder arranged on the knob, the handle is cylindrical, the outer end of the handle is provided with a pulling plate, the inner end of the handle is provided with a baffle ring, the diameter of the baffle ring is larger than that of the handle, the baffle ring is in threaded connection with the handle, the handle is sleeved with a pressure spring, one end of the pressure spring is abutted against the knob, and the other end of the pressure spring is abutted against the baffle ring. When the motor is in power failure or fails to rotate, the knob can be directly rotated by pulling out the handle, and the door opening and closing actions are completed; after the knob is rotated, the handle is released, and the handle can be automatically retracted under the action of the pressure spring.
The utility model has the advantages that: the utility model discloses when password input is correct, the lock knob is automatic to be stretched out, can rotate the operation to the knob, and the lock knob is automatic withdrawal then after the door is closed, and the lock knob that can effectively solve the prior art existence is always outside or press the manual problem of pressing down the switch lock and bumping the hand easily, has very high practical value.
Drawings
Fig. 1 is a schematic view of an overall structure of the automatic retractable mechanism of the combination lock of the present invention;
fig. 2 is a schematic structural view of the present invention;
fig. 3 is a cross-sectional view of the present invention;
figure 4 is a schematic view of the outer sleeve of the present invention in a retracted configuration;
fig. 5 is a schematic view of the outer sleeve of the present invention in an extended configuration;
fig. 6 is a schematic structural diagram of the gear reduction transmission mechanism of the present invention.
In the figure: 1. a pin; 2. a chute; 3. moving the paddle component; 4. a shifting sheet; 5. a gland; 6. a disc; 7. turning the round sleeve outwards; 8. the bottom of the lock shell; 9. a motor; 10. a gear reduction transmission mechanism; 11. an inner sleeve; 12. an outer sleeve; 13. a knob; 14. a lock housing; 15. a rotating shaft; 16. an end plate; 17. the bottom of the knob; 18. connecting blocks; 19. the top of the gland; 20. a circular hole; 21. a limiting flange; 22. a baffle ring; 23. a handle; 24. a pressure spring; 25. pulling a plate; 26. a cylinder; 27. a touch switch; 28. a spring; 29. a pin shaft; 30. a tailgate; 31. a front baffle; 32. and a rotating shaft hole.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1, 2 and 3, an automatic telescopic mechanism of a coded lock, a lock shell 14 is cylindrical, a knob 13 which is cylindrical is buckled in the lock shell, an inner sleeve 11 and an outer sleeve 12 (see fig. 4 and 5) which are mutually matched are arranged in a cavity formed by the knob and the lock shell, a disc 6 is arranged at the rear end part of the inner sleeve, a round hole 20 is arranged at the bottom 8 of the lock shell, a limit flange 21 is arranged at the outer edge of one side of the round hole, which is matched with the disc and is close to the inner sleeve, the outer edge of the round hole is larger than the diameter of the round hole, the rear side edge of the limit flange is abutted against the bottom 8 of the lock shell to prevent the inner sleeve from moving backwards, a touch switch 27 is arranged on the limit flange, the front end part of the outer sleeve is fixedly connected with the knob, a motor 9 is arranged in the cavity, the motor is in transmission connection with the rear end part of the rotating shaft through the gear reduction transmission mechanism 10, the front end part of the rotating shaft is abutted with the knob, the rotating shaft is sleeved with a spring 28, the front end of the spring is abutted with the middle part of the outer sleeve, the rear end of the spring is abutted with the rear part of the outer sleeve, a pin shaft 29 is transversely fixed on the rotating shaft, and two ends of the pin shaft are positioned in two adjacent spring rings of the spring; one side of the outer sleeve is respectively provided with a front baffle 31 and a rear baffle 30, the front baffle and the rear baffle are respectively provided with a rotating shaft hole 32 for penetrating the rotating shaft, the front end of the spring is abutted against the front baffle, and the rear end of the spring is abutted against the rear baffle. The disc is buckled with a gland 5, the center of the top 19 of the gland is provided with a connecting block 18, the connecting block is fixedly connected with a shifting piece 4, and the shifting piece is provided with a pin 1. When the motor rotates forwards, the pin shaft is driven by the rotating shaft to rotate to compress the spring forwards, and the spring extrudes the outer sleeve outwards to drive the knob to extend out of the lock shell; when the knob rotates, the outer sleeve and the inner sleeve drive the gland to rotate, when the gland rotates, the shifting sheet and the pin are driven to rotate, and the pin drives the movable shifting sheet component 3 to move through the sliding groove 2 for opening and closing the box door; when the knob is rotated to the touch switch 27 for triggering, the motor rotates reversely to drive the pin shaft to rotate through the rotating shaft and compress the spring backwards, and the spring extrudes the outer sleeve inwards to drive the knob to retract into the lock shell.
The outer end of the outer sleeve is provided with an end plate 16, the outer sleeve is fixedly connected with the bottom 17 of the knob through the end plate, the shape of the cross section of the inner sleeve and the cross section of the cavity of the outer sleeve are waist-circular, and a circumferential rotation-preventing structure is formed between the inner sleeve and the outer sleeve. An outward turning round sleeve 7 is formed at the round hole of the lock shell, the outward turning round sleeve is sleeved on the outer side of the disc, and a limiting flange on the disc and the outer edge of the gland are clamped at two ends of the outward turning round sleeve to form an axial limiting structure.
The knob of this embodiment is provided with handle 23 (see fig. 4 fig. 6), and the handle is arranged in drum 26 (see fig. 3) that sets up on the knob, and the handle is cylindrical, and the outer end of handle is equipped with arm-tie 25, and the inner of handle is provided with fender ring 22, and the diameter that keeps off the ring is greater than the diameter of handle, keeps off ring and handle threaded connection, and the cover has pressure spring 24 on the handle, pressure spring one end and knob butt, the other end and fender ring butt.
The utility model discloses a motor drives the knob and realizes flexible, and when the input password is correct, the motor forward rotates and drives round pin axle through the pivot and rotate and turn round forward compression spring one by one, and outside the spring extrudees the outer sleeve and drives the knob and stretch out outside the lock shell, and the convenience is rotated the operation to the knob. When the knob rotates, the outer sleeve and the inner sleeve drive the gland to rotate to complete the door opening action; after the door is closed, the door is locked through the reverse rotation of the knob, the touch switch is triggered when the knob is in place in the reverse rotation, the motor reversely rotates through the rotating shaft to drive the pin shaft to rotate and compress the spring backwards circle by circle, and the spring inwards extrudes the outer sleeve to drive the knob to retract into the lock shell. Therefore, the utility model provides a prior art's lock knob outside or press the manual press operation switch lock of lock to bump the problem of hand easily always.
It should be noted that the above-mentioned embodiment is only a preferable embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (7)
1. An automatic telescopic mechanism of a coded lock is characterized in that a lock shell (14) is cylindrical, a knob (13) which is cylindrical is buckled in the lock shell, an inner sleeve (11) and an outer sleeve (12) which are mutually matched are arranged in a cavity formed by the knob and the lock shell, a disc (6) is arranged at the rear end of the inner sleeve, a limiting flange (21) is arranged at the outer edge of one side, close to the inner sleeve, of the disc, a touch switch (27) is arranged on the limiting flange, the front end of the outer sleeve is fixedly connected with the knob, a motor (9) is arranged in a cavity of the inner sleeve, a rotating shaft (15) is arranged on the outer sides of the inner sleeve and the outer sleeve in a penetrating mode, the motor is in transmission connection with the rear end of the rotating shaft through a gear speed reduction transmission mechanism (10), a spring (28) is sleeved on the rotating shaft, the, two ends of the pin shaft are positioned in two adjacent spring rings of the spring; a round hole (20) is formed in the bottom (8) of the lock shell and matched with the disc, and a gland (5) is buckled on the disc; when the motor rotates forwards, the pin shaft is driven by the rotating shaft to rotate to compress the spring forwards, and the spring extrudes the outer sleeve outwards to drive the knob to extend out of the lock shell; when the knob rotates, the outer sleeve and the inner sleeve drive the gland to rotate; when the knob rotates to the touch switch (27) to be triggered, the motor rotates reversely to drive the pin shaft to rotate through the rotating shaft and compress the spring backwards, and the spring extrudes the outer sleeve inwards to drive the knob to retract into the lock shell.
2. The automatic retractable mechanism of a coded lock as claimed in claim 1, wherein a front baffle (31) and a rear baffle (30) are respectively arranged on one side of the outer sleeve, a rotating shaft hole (32) for penetrating the rotating shaft is arranged on each of the front baffle and the rear baffle, the front end of the spring is abutted against the front baffle, and the rear end of the spring is abutted against the rear baffle.
3. The automatic telescoping mechanism of the coded lock as claimed in claim 1, wherein the outer end of the outer sleeve is provided with an end plate (16), the outer sleeve is fixedly connected with the bottom of the knob through the end plate, the cross section of the inner sleeve and the cross section of the cavity of the outer sleeve are all in a waist circle shape, and a circumferential rotation preventing structure is formed between the inner sleeve and the outer sleeve.
4. An automatic retraction mechanism for a combination lock according to claim 1 wherein the outer diameter of the position-defining flange is greater than the diameter of the circular aperture and the rear side of the position-defining flange abuts the base (8) of the lock housing to prevent rearward movement of the inner sleeve.
5. The automatic retractable mechanism of a coded lock as claimed in claim 1, characterized in that a connecting block (18) is arranged in the center of the top (19) of the gland, the connecting block is fixedly connected with the shifting piece (4), the shifting piece is provided with a pin (1), and when the gland rotates, the shifting piece and the pin are driven to rotate for opening and closing the box door.
6. The automatic telescopic mechanism of the coded lock as claimed in claim 1, wherein an outward turning round sleeve (7) is formed at the round hole of the lock shell, the outward turning round sleeve is sleeved on the outer side of the disc, and a limit flange on the disc and the outer edge of the gland are clamped at two ends of the outward turning round sleeve to form an axial limit structure.
7. The automatic telescoping mechanism of the coded lock according to any one of claims 1-6, characterized in that a handle (23) is provided on the knob, the handle is disposed in a cylinder (26) provided on the knob, the handle is cylindrical, a pulling plate (25) is provided at an outer end of the handle, a retaining ring (22) is provided at an inner end of the handle, a diameter of the retaining ring is larger than that of the handle, the retaining ring is in threaded connection with the handle, a compression spring (24) is sleeved on the handle, one end of the compression spring is abutted against the knob, and the other end of the compression spring is abutted against the retaining ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922262579.XU CN211851299U (en) | 2019-12-16 | 2019-12-16 | Automatic telescopic machanism of trick lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922262579.XU CN211851299U (en) | 2019-12-16 | 2019-12-16 | Automatic telescopic machanism of trick lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211851299U true CN211851299U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922262579.XU Active CN211851299U (en) | 2019-12-16 | 2019-12-16 | Automatic telescopic machanism of trick lock |
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| Country | Link |
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| CN (1) | CN211851299U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113939070A (en) * | 2021-10-15 | 2022-01-14 | 深圳市尚为照明有限公司 | Intelligent lighting system based on 5G information communication |
-
2019
- 2019-12-16 CN CN201922262579.XU patent/CN211851299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113939070A (en) * | 2021-10-15 | 2022-01-14 | 深圳市尚为照明有限公司 | Intelligent lighting system based on 5G information communication |
| CN113939070B (en) * | 2021-10-15 | 2022-06-28 | 深圳市尚为照明有限公司 | Intelligent lighting system based on 5G information communication |
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