CN211201464U - Telescopic lock core - Google Patents
Telescopic lock core Download PDFInfo
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- CN211201464U CN211201464U CN201921838782.0U CN201921838782U CN211201464U CN 211201464 U CN211201464 U CN 211201464U CN 201921838782 U CN201921838782 U CN 201921838782U CN 211201464 U CN211201464 U CN 211201464U
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- mounting hole
- rear shaft
- shaft
- lock cylinder
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Abstract
The utility model provides a telescopic lock core, including lock core shell, front axle, rear axle and thumb wheel, the middle part of one side of lock core shell has seted up a breach groove, the both sides of breach groove are seted up respectively along the length direction of lock core shell through-going first mounting hole and second mounting hole; the shifting wheel is arranged at the notch groove, is annular, and is provided with a third mounting hole at the axis; the end part of the cylindrical end of the rear shaft is provided with an axially extending cavity; the cylindrical end of the front shaft is inserted from the other end of the lock cylinder shell, passes through the second mounting hole and is telescopically nested in the cavity at the end part of the rear shaft. The utility model discloses only need when producing according to a standard size die sinking production, removed the loaded down with trivial details process of repetition of the multiple size lock core of die sinking production from, reduced the manufacturing cost of mill greatly, improved production efficiency. Meanwhile, the problem that whether the lock cylinder can be matched when a customer buys the lock cylinder is solved, and the applicability of the lock cylinder is greatly improved.
Description
Technical Field
The utility model relates to a tool to lock field, concretely relates to telescopic lock core.
Background
The lock core is one of the core components of the lockset, but because the thickness and the size of different doors on the market are different, a plurality of lock cores with different specifications appear in order to adapt to the doors with different thicknesses.
The lengths of a plurality of existing lock cylinders are fixed, one lock cylinder can only be suitable for a door with one thickness and cannot be matched with doors with various thicknesses, and therefore a user can have a lot of troubles when selecting a proper lock cylinder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a telescopic lock core to the problem that exists among the prior art, its suitability that possesses extensive, can match the door use of different thickness in a flexible way.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a telescopic lock cylinder comprises a lock cylinder shell, a front shaft, a rear shaft and a thumb wheel, wherein a notch groove is formed in the middle of one side of the lock cylinder shell, and a first mounting hole and a second mounting hole which are communicated along the length direction of the lock cylinder shell are formed in the two sides of the notch groove respectively;
the shifting wheel is arranged at the notch groove, is annular, and is provided with a third mounting hole at the axis; the first mounting hole, the second mounting hole and the third mounting hole are the same in size;
one end of the rear shaft is cylindrical, the other end of the rear shaft is square cylindrical, and the cylindrical end of the rear shaft is inserted from one end of the lock cylinder shell, sequentially passes through the first mounting hole and the third mounting hole in the shifting wheel and extends into the second mounting hole; the thumb wheel is fixedly connected with the rear shaft, and the rear shaft is rotatably arranged in the first mounting hole and the second mounting hole; the end part of the cylindrical end of the rear shaft is provided with an axially extending cavity;
one end of the front shaft is cylindrical, the other end of the front shaft is square cylindrical, and the cylindrical end of the front shaft is inserted from the other end of the lock cylinder shell, penetrates through the second mounting hole and is telescopically connected in a cavity of the end part of the rear shaft in an embedded mode.
Furthermore, a first concave key groove is formed in the outer surface of the cylindrical end of the rear shaft, a first convex key is arranged on the inner wall of a third mounting hole in the shifting wheel, and the first key is matched with the first key groove to circumferentially fix the shifting wheel and the rear shaft.
Furthermore, there are a plurality of first keyways, and there are a plurality of first keys correspondingly.
Furthermore, a concave second key groove is formed in the outer surface of the cylindrical end of the front shaft, a convex second key is arranged on the inner wall of the cavity of the rear shaft, the second key is matched with the second key groove, the front shaft and the rear shaft are circumferentially fixed, and the front shaft is telescopically connected in the cavity of the end portion of the rear shaft in a nested mode.
Furthermore, there are a plurality of second keyways, and a plurality of second keys are correspondingly arranged.
Furthermore, a first screw hole is formed in the side face of the thumb wheel, a second screw hole is formed in the side face of the cylindrical end of the rear shaft, a plurality of adjusting screw holes are formed in the cylindrical end of the front shaft, and the adjusting screw holes are sequentially arranged along the axial direction and used for adjusting the telescopic nesting connection depth of the front shaft and the rear shaft; a screw passes first screw hole, second screw hole and one of them regulation screw hole in proper order, and is fixed with thumb wheel, front axle and rear axle.
The utility model provides a pair of telescopic lock core can realize the door of a lock core wildcard multiple thickness according to the length of the different thickness change lock core middle square shaft of door. The utility model discloses only need when producing according to a standard size die sinking production, removed the loaded down with trivial details process of repetition of the multiple size lock core of die sinking production from, reduced the manufacturing cost of mill greatly, improved production efficiency. Meanwhile, the problem that whether the lock cylinder can be matched when a customer buys the lock cylinder is solved, and the applicability of the lock cylinder is greatly improved.
Drawings
Fig. 1 is an overall structure schematic diagram of a retractable lock cylinder provided by the utility model.
Fig. 2 is an exploded view of a side structure of a retractable lock cylinder provided by the present invention.
Fig. 3 is an exploded view of the overall structure of the retractable lock cylinder provided by the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, the utility model provides a telescopic lock cylinder, including a lock cylinder housing 1, a front axle 4, a rear axle 3 and a thumb wheel 2, a notch groove 10 is provided in the middle of one side of the lock cylinder housing 1, and a first mounting hole 11 and a second mounting hole 12 which are through along the length direction of the lock cylinder housing 1 are respectively provided on both sides of the notch groove 10;
the thumb wheel 2 is arranged at the notch groove 10, the thumb wheel 2 is annular, and a third mounting hole 23 is formed in the axis of the thumb wheel 2; the first mounting hole 11, the second mounting hole 12 and the third mounting hole 23 are the same in size;
one end of the rear shaft 3 is cylindrical, the other end of the rear shaft is square cylindrical, and the cylindrical end of the rear shaft 3 is inserted from one end of the lock cylinder shell 1, sequentially passes through the first mounting hole 11 and the third mounting hole 23 on the thumb wheel 2 and extends into the second mounting hole 12; the thumb wheel 2 is fixedly connected with the rear shaft 3, and the rear shaft 3 is rotatably arranged in the first mounting hole 11 and the second mounting hole 12; the end part of the cylindrical end of the rear shaft 3 is provided with an axially extending cavity 30;
one end of the front shaft 4 is cylindrical, the other end of the front shaft is square cylindrical, and the cylindrical end of the front shaft 4 is inserted from the other end of the lock cylinder shell 1, passes through the second mounting hole 12 and is telescopically nested in the cavity 30 at the end of the rear shaft 3.
Further, a first concave key groove 31 is formed in the outer surface of the cylindrical end of the rear shaft 3, a first convex key 21 is formed in the inner wall of the third mounting hole 23 in the thumb wheel 2, and the first key 21 is matched with the first concave key groove 31 to circumferentially fix the thumb wheel 2 and the rear shaft 3.
In the present embodiment, there are 2 first key slots 31, and there are 2 first keys 21 correspondingly.
Further, a concave second key groove 41 is formed in the outer surface of the cylindrical end of the front shaft 4, a convex second key 32 is formed in the inner wall of the cavity 30 of the rear shaft 3, the second key 32 is matched with the second key groove 41, the front shaft 4 and the rear shaft 3 are circumferentially fixed, and the front shaft 4 is telescopically nested in the cavity 30 at the end of the rear shaft 3.
In this embodiment, there are 2 second key slots 41, and there are 2 second keys 32 correspondingly.
Furthermore, a first screw hole 22 is formed in the side surface of the thumb wheel 2, a second screw hole 33 is formed in the side surface of the cylindrical end of the rear shaft 3, a plurality of adjusting screw holes 42 are formed in the cylindrical end of the front shaft 4, and the adjusting screw holes 42 are sequentially arranged in the axial direction and used for adjusting the telescopic nesting connection depth of the front shaft 4 and the rear shaft 3; a screw passes through the first screw hole 22, the second screw hole 33 and one of the adjusting screw holes 42 in sequence to fix the thumb wheel 2, the front axle 4 and the rear axle 3.
When the telescopic lock cylinder provided by the utility model is installed, the telescopic nesting connection depth of the front shaft and the rear shaft can be adjusted according to the thickness of the door, and the total length of the front shaft and the rear shaft is matched with the required installation length by pulling out or inserting the front shaft in the cavity at the end part of the rear shaft; after the length is adjusted in place, the thumb wheel, the front shaft and the rear shaft are mutually fixed through screws, so that the front shaft and the rear shaft can not stretch out and draw back again, and finally the lock cylinder is installed in an adaptive mode.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present 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 (6)
1. A telescopic lock cylinder is characterized by comprising a lock cylinder shell, a front shaft, a rear shaft and a shifting wheel, wherein a notch groove is formed in the middle of one side of the lock cylinder shell, and a first mounting hole and a second mounting hole which are communicated along the length direction of the lock cylinder shell are formed in the two sides of the notch groove respectively;
the shifting wheel is arranged at the notch groove, is annular, and is provided with a third mounting hole at the axis; the first mounting hole, the second mounting hole and the third mounting hole are the same in size;
one end of the rear shaft is cylindrical, the other end of the rear shaft is square cylindrical, and the cylindrical end of the rear shaft is inserted from one end of the lock cylinder shell, sequentially passes through the first mounting hole and the third mounting hole in the shifting wheel and extends into the second mounting hole; the thumb wheel is fixedly connected with the rear shaft, and the rear shaft is rotatably arranged in the first mounting hole and the second mounting hole; the end part of the cylindrical end of the rear shaft is provided with an axially extending cavity;
one end of the front shaft is cylindrical, the other end of the front shaft is square cylindrical, and the cylindrical end of the front shaft is inserted from the other end of the lock cylinder shell, penetrates through the second mounting hole and is telescopically connected in a cavity of the end part of the rear shaft in an embedded mode.
2. The retractable lock cylinder of claim 1, wherein the outer surface of the cylindrical end of the rear shaft is provided with a recessed first key groove, the inner wall of the third mounting hole in the thumb wheel is provided with a raised first key, and the first key groove are matched to circumferentially fix the thumb wheel and the rear shaft.
3. The telescoping lock core of claim 2, wherein said first keyway is plural and said first key is correspondingly plural.
4. The retractable lock core of claim 1, wherein the outer surface of the cylindrical end of the front shaft is provided with a recessed second key groove, the inner wall of the cavity of the rear shaft is provided with a protruding second key, and the second key is matched with the second key groove to circumferentially fix the front shaft and the rear shaft and enable the front shaft to be telescopically nested in the cavity of the end of the rear shaft.
5. The telescoping lock core of claim 4, wherein there are a plurality of said second keyways and a plurality of said second keys are correspondingly provided.
6. The telescopic lock cylinder according to claim 1, wherein a first screw hole is formed in the side surface of the thumb wheel, a second screw hole is formed in the side surface of the cylindrical end of the rear shaft, a plurality of adjusting screw holes are formed in the cylindrical end of the front shaft, and the adjusting screw holes are sequentially arranged in the axial direction and used for adjusting the telescopic nesting connection depth of the front shaft and the rear shaft; a screw passes first screw hole, second screw hole and one of them regulation screw hole in proper order, and is fixed with thumb wheel, front axle and rear axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838782.0U CN211201464U (en) | 2019-10-30 | 2019-10-30 | Telescopic lock core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838782.0U CN211201464U (en) | 2019-10-30 | 2019-10-30 | Telescopic lock core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211201464U true CN211201464U (en) | 2020-08-07 |
Family
ID=71852862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921838782.0U Active CN211201464U (en) | 2019-10-30 | 2019-10-30 | Telescopic lock core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211201464U (en) |
-
2019
- 2019-10-30 CN CN201921838782.0U patent/CN211201464U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 1201, Huihua Pavilion, Huabiao Plaza, 609 Tianhe North Road, Tianhe District, Guangzhou, Guangdong 510630 Patentee after: Guangzhou Lili Intelligent Electronics Co.,Ltd. Address before: Room 1201, 609 Tianhe North Road, Tianhe District, Guangzhou, Guangdong 510000 Patentee before: GUANGZHOU GUANGYUAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230606 Address after: 511300 room 205, floor 2, No. 163, Shixin Avenue, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Guangyuan Electronics Co.,Ltd. Address before: Room 1201, Huihua Pavilion, Huabiao Plaza, 609 Tianhe North Road, Tianhe District, Guangzhou, Guangdong 510630 Patentee before: Guangzhou Lili Intelligent Electronics Co.,Ltd. |