CN217712129U - Side column lock with good anti-theft effect - Google Patents
Side column lock with good anti-theft effect Download PDFInfo
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- CN217712129U CN217712129U CN202220513961.2U CN202220513961U CN217712129U CN 217712129 U CN217712129 U CN 217712129U CN 202220513961 U CN202220513961 U CN 202220513961U CN 217712129 U CN217712129 U CN 217712129U
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- locking plate
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- side column
- rail
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Abstract
The utility model discloses a side column lock with good anti-theft effect, which comprises a lock core, a lock shell and a key; the lock core comprises a lock liner, a left rail lock plate, a right rail lock plate, a middle rail lock plate, a side column and a press plate, the lock liner is provided with a key hole, the lock liner is respectively provided with a left lock plate hole and a right lock plate hole, a middle lock plate hole is arranged between the left lock plate hole and the right lock plate hole, the left side and the right side of the middle lock plate hole are communicated with the lock liner, the middle rail lock plate is movably arranged in the middle lock plate hole, the lock core is provided with a side column groove, the side column is arranged in the side column groove, the side column is provided with a clamping protrusion, the upper ends of the left rail lock plate and the right rail lock plate are respectively provided with an unlocking notch and a false notch, the lock shell is provided with a through hole, and the through hole is provided with a clamping groove; so, through the design of lock core, the rail locking plate can be controlled the activity wantonly in the utilization on the lock core for when the side column lock was inserted by the false key of unlocking means, well rail locking plate was difficult for moving to the tram, reduces the side column lock and is opened probably illegally, improves security and reliability, and structural design is ingenious reasonable, and the practicality is strong, and application scope is wide.
Description
Technical Field
The utility model belongs to the technical field of the tool to lock technique and specifically relates to indicate a good side column lock of theftproof effect.
Background
At present, a lock is an article which people cannot leave in daily life, and is used for storing important articles all the time, so that a door lock or own belongings cannot be stolen by others, a core anti-theft part of the lock is a lock core, and the anti-theft performance of the whole lock is directly influenced by the quality of the lock core; the traditional lock cylinders are various in types, and the traditional mechanical spring lock and the traditional blade lock cylinder are circulated in the market for many years, so that the developed unlocking tool can be seen everywhere, and the performance of the lock cylinder can not meet the anti-theft requirement; the most representative structure is a side column lock core which is divided into an internal pressure type side column lock core and an external pressure type side column lock core; the internal pressure type side column lock is characterized in that the side column retracts into the lock cylinder to be unlocked under the action of an internal pressure spring, and the external pressure side column lock cylinder is unlocked by compressing the side column in the lock cylinder through rotating the lock cylinder.
Most of the existing keys are provided with two teeth, and meanwhile, a left blade and a right blade which are matched with the two teeth of the key are arranged in the side column lock; later, a three-rail blade lock appears on the market, but its structural design is not good enough, and the false key that is easily unlocked by the unlocking instrument adopts the mode of omnipotent dislocation unlocking method to unblock, leads to the tool to be cracked and causes user's loss, and the practicality is not good enough, and application scope is little.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a side column lock that theftproof effect is good, and it passes through the design of lock core for when the side column lock is inserted by the false key of unlocking means, well rail locking plate is difficult for moving to the correct position, reduces the side column lock and is opened probably illegally, improves security and reliability, and application scope is wide.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a side column lock with good anti-theft effect comprises a lock core, a lock shell and a key; wherein: the lock core comprises a lock liner, and a left rail locking plate, a right rail locking plate, a middle rail locking plate, a side column and a pressing plate which are arranged on the lock liner, wherein the front end of the lock liner is provided with a key hole matched with the shape of a key, the left side wall and the right side wall of the lock liner are respectively provided with a left locking plate hole and a right locking plate hole, a middle locking plate hole is arranged between the left locking plate hole and the right locking plate hole, the left side and the right side of the middle locking plate hole are communicated with the lock liner, the middle rail locking plate is movably arranged in the middle locking plate hole, the left locking plate hole, the right locking plate hole and the middle locking plate hole are communicated with the key hole, the left locking plate hole and the right locking plate hole are respectively provided with a locking plate spring, one end of each locking plate spring acts on the inner wall of the corresponding locking plate hole, and the other end acts on the corresponding locking plate; the left rail locking plate, the right rail locking plate and the middle rail locking plate are all provided with protrusions, the protrusions extend into the key hole, and the corresponding protrusions of the key are respectively provided with left tooth patterns, middle tooth patterns and right tooth patterns; the upper end of the lock liner is provided with a side column groove, the lower end of the side column groove is communicated with a left lock sheet hole, a right lock sheet hole and a middle lock sheet hole, the side column can be movably arranged in the side column groove up and down, a clamping protrusion is arranged at the upper end of the side column, the pressing sheet is arranged on one side of the upper end of the side column groove, an elastic reset piece is arranged between the pressing sheet and the side column, the upper ends of the left rail lock sheet and the right rail lock sheet are provided with an unlocking notch and a false notch, the unlocking notch is located at the central position, and the false notch is located beside the unlocking notch; the lock is characterized in that a through hole penetrating through the lock shell is formed in the lock shell, the lock cylinder is matched and positioned in the through hole, and a clamping groove is formed in the inner wall of the through hole corresponding to the clamping protrusion.
As an optimal scheme, the middle parts of the left lock piece hole, the right lock piece hole and the middle lock piece hole are provided with square holes matched with the key holes, and the bulge of the left rail lock piece, the bulge of the right rail lock piece and the bulge of the middle rail lock piece are all arranged in the corresponding square holes.
As a preferred scheme, the upper end face of the middle rail locking plate is lower than the upper end faces of the left rail locking plate and the right rail locking plate.
As a preferred scheme, the upper end of the left rail locking plate and the upper end of the right rail locking plate extend downwards to be provided with grooves, the unlocking notch is arranged in the middle of the groove, bosses are arranged on the left side and the right side of the upper end of the groove, and the false notch is formed in an area enclosed between the bosses and the groove.
Preferably, the unlocking notch is in a V shape.
Preferably, the lower end of the side column is in a V shape.
Compared with the prior art, the utility model has obvious advantages and beneficial effect, concretely speaking, can know from above-mentioned technical scheme, it mainly is through the design of lock core, utilize the middle rail locking plate can control arbitrary activity on the lock core, when making the side lock be inserted by the false key of unlocking means, the middle rail locking plate is difficult for moving to the correct position, reduce the side lock and illegally opened probably, improve security and reliability, simultaneously, the setting of card protruding and draw-in groove, avoided the unlocking means to adopt the mode of omnipotent dislocation unlocking method to unblock, structural design is ingenious reasonable, therefore, the clothes hanger is strong in practicability, and wide in application scope;
and the upper end surface of the middle rail locking plate is lower than the upper end surfaces of the left rail locking plate and the right rail locking plate, so that the use stability of the middle rail locking plate in the lock liner is ensured, and the usability is good.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic perspective view of a lock cylinder, a lock case and a key according to an embodiment of the present invention;
fig. 2 is a sectional view of a lock cylinder and a lock case according to an embodiment of the present invention;
fig. 3 is an exploded view of a lock cylinder and key according to an embodiment of the present invention.
The attached drawings indicate the following:
10. lock core 101, square hole
102. Projection 103, unlocking notch
104. False notch 105, boss
11. Lock cylinder 111 and key hole
112. Left lock piece hole 113 and right lock piece hole
114. Middle lock piece hole 115 and side column groove
116. Mounting concave 12, left rail locking plate
13. Right rail locking plate 14 and middle rail locking plate
15. Side column 151, snap
16. Pressing sheet 161 and elastic restoring member
17. Lock plate spring 20 and lock shell
21. Through hole 211 and clamping groove
30. Key 31, left tooth flower
32. Middle tooth 33, right tooth.
Detailed Description
Fig. 1 to fig. 3 show specific structures of embodiments of the present invention.
A side column lock with good anti-theft effect comprises a lock core 10, a lock shell 20 and a key 30; wherein:
the lock core 10 comprises a lock core 11, and a left rail locking plate 12, a right rail locking plate 13, a middle rail locking plate 14, a side column 15 and a pressing plate 16 which are arranged on the lock core 11, wherein the front end of the lock core 11 is provided with a key hole 111 matched with the shape of a key 30, the left side wall and the right side wall of the lock core 11 are respectively provided with a left locking plate hole 112 and a right locking plate hole 113, a middle locking plate hole 114 is arranged between the left locking plate hole 112 and the right locking plate hole 113, the left side and the right side of the middle locking plate hole 114 are both communicated with the lock core 11, the middle rail locking plate 14 is movably arranged in the middle locking plate hole 114, the left locking plate hole 112, the right locking plate hole 113 and the middle locking plate hole 114 are all communicated with the key hole 111, the left locking plate hole 112 and the right locking plate hole 113 are both provided with a locking plate spring 17, one end of the locking plate spring 17 acts on the inner wall of the corresponding locking plate hole, and the other end acts on the corresponding locking plate; the left rail locking plate 12, the right rail locking plate 13 and the middle rail locking plate 14 are all provided with protrusions 102, the protrusions 102 extend into the key hole 111, and the key 30 is respectively provided with a left tooth 31, a middle tooth 32 and a right tooth 33 corresponding to the protrusions 102; the upper end of the lock core 11 is provided with a side column groove 115, the lower end of the side column groove 115 is communicated with a left locking plate hole 112, a right locking plate hole 113 and a middle locking plate hole 114, the side column 15 can be movably arranged in the side column groove 115 up and down, the upper end of the side column 15 is provided with a clamping protrusion 151, the pressing plate 16 is arranged on one side of the upper end of the side column groove 115, an elastic reset piece 161 is arranged between the pressing plate 16 and the side column 15, the upper ends of the left rail locking plate 12 and the right rail locking plate 13 are provided with an unlocking notch 103 and a false notch 104, the unlocking notch 103 is located at the central position, and the false notch 104 is located beside the unlocking notch 104;
here, the pressing pieces 16 are provided two and respectively disposed at the front end and the rear end of the side post groove 115, the front and rear sides of the upper end of the side post 15 are provided with action surfaces, the locking protrusion 151 is disposed between the action surfaces of the front and rear sides, the lock cylinder 11 is provided with mounting recesses 116 corresponding to the two pressing pieces, the two pressing pieces 16 are respectively disposed on the corresponding mounting recesses 116, and preferably, the elastic restoring member 161 is a spring;
the lock shell 20 is provided with a through hole 21 which penetrates through the lock shell from front to back, the lock cylinder 10 is matched and positioned in the through hole 21, and the inner wall of the through hole 21 is provided with a clamping groove 211 corresponding to the clamping protrusion;
when the lock is used, when a true key is inserted into the key hole, the bulges of the lock plates are connected in the corresponding tooth patterns in a matching manner and moved to the correct position, the unlocking notches of the lock plates are sequentially aligned and positioned at the lower end of the side column groove, the lower end of the side column is clamped into the unlocking notch from the side column groove, so that the clamping bulges are separated from the clamping groove and are flush with the surface of the lock cylinder, and the key is controlled to rotate the lock cylinder to unlock the lock;
when the false key is inserted into the key hole, the bulges of the lock plates are not moved to the correct positions in the corresponding tooth patterns, the false groove openings of the left rail lock plate and the right rail lock plate are positioned at the lower ends of the side column grooves, the lower ends of the side columns are clamped into the corresponding false groove openings, the clamping protrusions are limited by the clamping grooves, and the false key cannot control the lock cylinder to rotate so as to open the lock; so, through the design of lock core, the rail locking plate can be controlled arbitrary activity on the lock core in the utilization for when the side column lock was inserted by the false key of unlocking means, well rail locking plate was difficult for moving to the tram, reduces the side column lock and is opened probably by the illegal, improves security and reliability, and simultaneously, the setting of card protruding and draw-in groove has avoided the mode that unlocking means adopted omnipotent dislocation unlocking method to unblock, and structural design is ingenious reasonable, and the practicality is strong, and application scope is wide.
In addition, the middle parts of the left locking plate hole 112, the right locking plate hole 113 and the middle locking plate hole 114 are provided with square holes 101 matched with the key holes, and the bulge 102 of the left rail locking plate 12, the bulge 102 of the right rail locking plate 13 and the bulge 102 of the middle rail locking plate 14 are all arranged in the corresponding square holes 101, so that matching connection between the key and each locking plate is facilitated.
Usually, the lower extreme of left rail locking plate 12 and the lower extreme of right rail locking plate 13 all are provided with the effect portion, the other end of locking plate spring 17 acts on the effect portion of corresponding locking plate.
In this embodiment, the up end of well rail locking plate 14 is less than the up end of left rail locking plate 12, the up end of right rail locking plate 13, so, when false key got into the key hole, the lower extreme of side post and the upper end of well rail locking plate kept the interval, had avoided the side post to press to hold on well rail locking plate for the mode that the unblank notch of well rail locking plate received omnipotent dislocation unlocking method is carelessly moved to the correct position, leads to the side post lock to be opened illegally, has guaranteed the use of well rail locking plate.
Grooves are formed in the upper end of the left rail locking plate 12 and the upper end of the right rail locking plate 13 in a downward extending mode, the unlocking notch 103 is formed in the middle of each groove, bosses 105 are arranged on the left side and the right side of the upper end of each groove, and the false notches 104 are formed in the area enclosed between the bosses 105 and the grooves; preferably, the unlocking notch 103 is V-shaped, and the lower end of the side post 15 is V-shaped.
The utility model has the advantages that the design of the lock core is mainly adopted, the middle rail locking plate can move freely left and right on the lock core, when the side column lock is inserted by a false key of the unlocking tool, the middle rail locking plate is not easy to move to the correct position, the possibility that the side column lock is illegally opened is reduced, the safety and the reliability are improved, meanwhile, the arrangement of the clamping convex part and the clamping groove avoids the unlocking tool from unlocking in a universal dislocation unlocking method, the structural design is ingenious and reasonable, the practicability is strong, and the application range is wide;
and the upper end surface of the middle rail locking plate is lower than the upper end surfaces of the left rail locking plate and the right rail locking plate, so that the use stability of the middle rail locking plate in the lock liner is ensured, and the usability is good.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a good side post lock of theftproof effect which characterized in that: comprises a lock core, a lock shell and a key; wherein: the lock core comprises a lock liner, and a left rail locking plate, a right rail locking plate, a middle rail locking plate, a side column and a pressing plate which are arranged on the lock liner, wherein the front end of the lock liner is provided with a key hole matched with the shape of a key, the left side wall and the right side wall of the lock liner are respectively provided with a left locking plate hole and a right locking plate hole, a middle locking plate hole is arranged between the left locking plate hole and the right locking plate hole, the left side and the right side of the middle locking plate hole are communicated with the lock liner, the middle rail locking plate is movably arranged in the middle locking plate hole, the left locking plate hole, the right locking plate hole and the middle locking plate hole are communicated with the key hole, the left locking plate hole and the right locking plate hole are respectively provided with a locking plate spring, one end of each locking plate spring acts on the inner wall of the corresponding locking plate hole, and the other end acts on the corresponding locking plate; the left rail locking plate, the right rail locking plate and the middle rail locking plate are all provided with protrusions, the protrusions extend into the key hole, and the key corresponding to the protrusions is respectively provided with a left tooth, a middle tooth and a right tooth; the upper end of the lock liner is provided with a side column groove, the lower end of the side column groove is communicated with a left lock sheet hole, a right lock sheet hole and a middle lock sheet hole, the side column can be movably arranged in the side column groove up and down, a clamping protrusion is arranged at the upper end of the side column, the pressing sheet is arranged on one side of the upper end of the side column groove, an elastic reset piece is arranged between the pressing sheet and the side column, the upper ends of the left rail lock sheet and the right rail lock sheet are provided with an unlocking notch and a false notch, the unlocking notch is located at the central position, and the false notch is located beside the unlocking notch; the lock is characterized in that a through hole penetrating through the lock shell is formed in the lock shell, the lock cylinder is matched and positioned in the through hole, and a clamping groove is formed in the inner wall of the through hole corresponding to the clamping protrusion.
2. The side column lock with good anti-theft effect as claimed in claim 1, wherein: the middle part in left side locking plate hole, right locking plate hole and well locking plate hole all is provided with the square hole that matches the key hole, the arch of left side rail locking plate, the arch of right rail locking plate and the arch of well rail locking plate all set up in corresponding square hole.
3. The side column lock with good anti-theft effect as claimed in claim 1, wherein: the upper end face of the middle rail locking plate is lower than the upper end face of the left rail locking plate and the upper end face of the right rail locking plate.
4. The side column lock with good anti-theft effect as claimed in claim 1, wherein: the upper end of the left rail locking plate and the upper end of the right rail locking plate extend downwards to be provided with grooves, the unlocking groove opening is formed in the middle position of each groove, bosses are arranged on the left side and the right side of the upper end of each groove, and the false groove opening is formed in the area enclosed between each boss and each groove.
5. The side column lock with good anti-theft effect as claimed in claim 4, wherein: the unlocking notch is in a V shape.
6. The side column lock with good anti-theft effect as claimed in claim 1, wherein: the lower end of the side column is V-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220513961.2U CN217712129U (en) | 2022-03-10 | 2022-03-10 | Side column lock with good anti-theft effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220513961.2U CN217712129U (en) | 2022-03-10 | 2022-03-10 | Side column lock with good anti-theft effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217712129U true CN217712129U (en) | 2022-11-01 |
Family
ID=83787575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220513961.2U Active CN217712129U (en) | 2022-03-10 | 2022-03-10 | Side column lock with good anti-theft effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217712129U (en) |
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2022
- 2022-03-10 CN CN202220513961.2U patent/CN217712129U/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 |
Address after: 523000 Industrial Zone, Datang Village, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: Litai Internet of Things Technology (Guangdong) Co.,Ltd. Address before: 523000 No. 59, Lianfeng Road, Datang Industrial Zone, Dalingshan Town, Dongguan City, Guangdong Province Patentee before: LEADTECH METAL MANUFACTURING (DONGGUAN) Co.,Ltd. |
|
| CP03 | Change of name, title or address |