TWI714189B - Lock core structure and key thereof - Google Patents

Abstract

A lock cylinder structure and a key thereof are provided, the lock cylinder structure has an outer sleeve, a lock cylinder body and a safety member. The lock outer sleeve has an outer wall and a front-end portion, and an insertion hole is defined on the front end. The lock cylinder body has an inner sleeve and a core, the inner sleeve is accommodated in the outer wall, and the core is rotatable corresponding to the insertion hole and the inner sleeve. The safety member has a twisting member arranged in the outer sleeve and between the front end and the core, and a latch elastically abutting between the front-end portion and the twisting member along a radial direction thereof. A confirmation hole communicated between the insertion hole and the core is defined in the twisting member, an actuating member is elastically pushed into the confirmation hole by the latch.

Description

Lock core structure and its key

The invention relates to a lock, especially a lock core structure and its key.

In the past, it has been widely used in lock core structures such as door handles. The interior is mainly composed of multiple lock plates with different lock holes, so that the corresponding key can be unlocked by twisting the key after inserting it.

However, due to the structure that the lock core and the key cooperate to unlock, it is mainly inserted into each lock piece through the toothed rod-shaped part of the key, and the rod-shaped part must have a certain length, so that the general user is unlocking It is impossible or difficult to predict the length of its insertion. Sometimes the rod-shaped part has not been fully inserted into all the lock plates, that is, because the lock cylinder can be twisted, the user will misunderstand and twist the key to try to unlock; but In this case, since not all the lock pieces (especially the lock piece located at the rear end or the innermost side of the lock cylinder) can be pushed to the correct unlocking position by the corresponding key, it is naturally impossible to unlock. Therefore, under the misunderstanding of the user, if the user's twisting force is too large, or when the key is forcibly twisted, the key is easily twisted or broken due to the sheet shape, and the lock cylinder is also easily damaged or broken. Was destroyed, resulting in a lack of use.

In view of this, in order to improve and solve the above-mentioned shortcomings, the inventor of the present invention made great efforts to research and cooperate with the application of scientific theory, and finally proposed an invention with reasonable design and effective improvement of the above-mentioned shortcomings.

The main purpose of the present invention is to provide a lock core structure and its key, which is to add a safety component, when the corresponding key is not completely inserted into the lock core, the lock core cannot be twisted at all; it must be completely inserted into the lock The core can be twisted. Therefore, it can prevent the user from accidentally damaging the key or the lock cylinder due to misrecognition.

In order to achieve the above objective, the present invention provides a lock cylinder structure, which includes a lock cylinder jacket, a lock cylinder body, and a safety member; wherein the lock cylinder jacket has a jacket wall and a front end formed at the front end of the jacket wall The front end has a socket and is connected to the outer wall. The lock core body has a lock core inner sleeve and a core body arranged in the lock core inner sleeve. The lock core inner sleeve is set at the rear end of the outer sleeve wall. The core body corresponds to the insertion hole on the front end and maintains a rotatable state with the inner sleeve of the lock cylinder. The safety member includes a twist between the front end and the core body. And a locking member that elastically presses against the radial direction between the front end portion and the torsion member. The torsion member is provided with a confirmation hole connecting the insertion hole and the core body, and the locking member elastically pushes a triggering member To the confirmation hole.

In order to achieve the above-mentioned object, the present invention provides a key for the above-mentioned lock core structure, which includes a handle and a first rod extending from the handle; wherein, the handle and the first rod are formed between There is a second rod part, and a leading edge is formed between the second rod part and the first rod part for pushing against the catch.

<The present invention>

1: Lock core jacket

10: coat wall

11: Front end

110: jack

111: Assembly hole

2: Lock core body

20: Lock core inner sleeve

200: Overlapping space

21: core

210: lock piece

210a: keyhole

211: spacer

3: Security component

30: Torsion piece

300: Confirmation hole

301: Piercing

31: Card switch

310: Elastic element

311: trigger

4: key

40: handle

41: first pole

42: second pole

420: Leading Edge

Figure 1 is a three-dimensional exploded schematic view of the lock core of the present invention.

Figure 2 is a sectional view of the lock core of the present invention.

Figure 3 is a cross-sectional view of section 3-3 of Figure 2;

Figure 4 is a schematic cross-sectional view of the key of the present invention inserted into the lock core but not fully inserted.

Figure 5 is a schematic cross-sectional view of the key of the present invention inserted into the lock core and fully inserted.

Figure 6 is a cross-sectional view of section 6-6 of Figure 5;

Fig. 7 is a schematic cross-sectional view of unlocking by twisting the key according to Fig. 6.

In order to enable your reviewer to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the accompanying drawings are only for reference and illustration, and are not used to limit the present invention. .

Please refer to Figures 1 and 2, which are respectively a three-dimensional exploded schematic view of the lock core of the present invention and a combined cross-sectional view thereof. The present invention provides a lock core structure and a key thereof. The lock core structure includes a lock core jacket 1, a lock core body 2, and a safety member 3; wherein: the lock core jacket 1 has a jacket wall 10, and A front end 11 is formed at the front end of the outer casing wall 10, and the outer casing wall 10 is hollow for the lock core body 2 to be contained therein, and the front end 11 of the lock core outer casing 1 has a plug The hole 110 is connected to the inside of the outer casing wall 10 inwardly, so that the corresponding key 4 can be inserted into the lock cylinder body 2 through the hole 110, thereby facilitating unlocking or unlocking.

The lock cylinder body 2 has a lock cylinder inner sleeve 20 and a core body 21 arranged in the lock cylinder inner sleeve 20. The lock cylinder inner sleeve 20 is used to combine the core body 21 with the lock cylinder The rear end of the outer casing wall 10 of the outer casing 1 is inserted so that the core 21 is located inside the outer casing wall 10, and after the core 21 is assembled inside the outer casing wall 10, it corresponds to the front end 11 of the aforementioned lock core outer casing 1. The receptacle 110 and the inner sleeve 20 of the lock core maintain a rotatable state. In the embodiment of the present invention, the lock core inner sleeve 20 has A stacking space 200, and the core body 21 is alternately stacked and arranged by a plurality of lock pieces 210 and a plurality of spacers 211, and is limited to be accommodated in the stacking space 200; and each lock piece 210 is provided with The lock hole 210a matched with the corresponding key 4 is used for unlocking or unlocking when the key 4 is inserted.

Please also refer to FIG. 3. The safety member 3 includes a torsion member 30 and a latch member 31. Among them, the torsion member 30 is arranged in the above-mentioned lock core casing 1, and the locking member 31 is elastically pressed in the radial direction, and is arranged between the front end 11 of the above-mentioned lock core casing 1 and the torsion member 30, so as to be able to The front end portion 11 is elastically pushed toward the torsion member 30 in the radial direction to be locked on the front end portion 11 and the torsion member 30, or the locking member 31 is elastically pushed in the opposite direction to escape the torsion member 30. And the torsion member 30 is provided with a confirmation hole 300, the confirmation hole 300 is connected between the insertion hole 110 of the front end portion 11 and the core 21, and the locking member 31 is further made of an elastic element 310 Press against, so as to elastically push a trigger 311 into the confirmation hole 300.

In addition, in order to facilitate the assembly of the aforementioned safety member 3, the present invention can further provide an assembly hole 111 in the radial direction of the front end 11 of the lock cylinder casing 1, and a perforation 301 in the radial direction of the torsion member 30. The element 310 and the latching member 31 can be assembled in the assembly hole 111 by the front end portion 11 and pressed against, and the triggering member 311 is inserted through the perforation 301, and then the torsion member 30 is inserted into the rear end of the outer wall 10 And by twisting it to align it to the latch 31, and then insert the lock core body 2 to complete the assembly.

Therefore, the lock core structure and key of the present invention can be obtained by the above-mentioned structure.

Accordingly, as shown in Figure 4, the corresponding key 4 of the present invention has a handle 40 and a first rod 41 extending from the handle 40. The first rod 41 may be provided with teeth. The structure such as the shape, groove, flange, etc. is used to correspond to the lock hole 210a of each lock piece 210 described above to achieve the unlocking or unlocking effect. However, since the first rod 41 has not been completely inserted into the locking hole 210a of each locking piece 210, it is As shown in FIG. 3, the locking member 31 of the safety member 3 is located between the front end portion 11 and the torsion member 30 for locking, so that the core 21 cannot be rotated.

As shown in FIG. 5, when the first rod 41 of the key 4 is completely inserted into the lock hole 210a of each lock piece 210, due to the corresponding key 4 of the present invention, the handle 40 and the first rod 41 are formed There is a second rod portion 42 and the width of the second rod portion 42 is wider than the width of the first rod portion 41 for structural reinforcement. More importantly, since the width of the second rod portion 42 is greater than the width of the first rod portion 41, a leading edge 420 may be formed between the second rod portion 42 and the first rod portion 41. 420 can be a slope or step shape that is tapered from the second rod portion 42 toward the first rod portion 41; in this way, when the first rod portion 41 of the key 4 is completely inserted into the lock hole 210a of each lock piece 210 At this time, the second rod portion 42 of the key 4 can just extend into the confirmation hole 300 to confirm whether the key 4 is fully inserted, so that the guide edge 420 can push the trigger 311 of the safety member 3 inward. And make the locking member 31 separate from the torsion member 30, as shown in FIG. 6. At this time, the user can twist the core 21 through the key 4 to achieve the purpose of unlocking or unlocking.

In summary, this invention clearly achieves the intended use purpose, solves the deficiencies of conventional knowledge, and because it is extremely novel and progressive, it fully meets the requirements of an invention patent application. The application is filed in accordance with the Patent Law. Please check and verify in detail. Grant the patent in this case to protect the rights of the inventor.

However, the above are only the preferred and feasible embodiments of the present invention, and the scope of the patent of the present invention is not restricted thereby. Therefore, all equivalent technologies, means and other changes made by using the description and drawings of the present invention are the same. It is included within the scope of the present invention, and is fully disclosed.

1: Lock core jacket

11: Front end

30: Torsion piece

300: Confirmation hole

31: Card switch

310: Elastic element

311: trigger

42: second pole

Claims (8)

A lock core structure includes: a lock core jacket with a jacket wall, and a front end formed at the front end of the jacket wall, and the front end has an insertion hole and communicates with the jacket wall; a lock core body , Has a lock core inner sleeve, and a core body arranged in the lock core inner sleeve, the lock core inner sleeve is inserted from the rear end of the outer sleeve wall and is located in the outer sleeve wall, and the core body corresponds to the front end To maintain a rotatable state with the inner sleeve of the lock core; and a safety member including a torsion member arranged in the outer sleeve of the lock core and located between the front end and the core, and a The front end and the torsion member are elastically abutted in the radial direction. The torsion member is provided with a confirmation hole connecting the insertion hole and the core, and the locking member elastically pushes a triggering member Into the confirmation hole; wherein the latch is pressed by an elastic element to elastically push the triggering element into the confirmation hole, the front end is radially provided with an assembly hole, and the elastic element and The latch is assembled in the assembly hole from the front end. In the lock core structure described in item 1 of the scope of patent application, the inner sleeve of the lock core has a stacking space for the core body to be arranged in the stacking space. The lock core structure described in item 1 of the scope of patent application, wherein the core system is alternately arranged by a plurality of lock plates and a plurality of spacers. For the lock cylinder structure described in item 3 of the scope of patent application, each lock piece is provided with a lock hole. In the lock core structure described in item 1 of the scope of patent application, the torsion member is provided with a through hole in the radial direction, and the trigger member is inserted into the through hole. A key used in the lock core structure according to any one of items 1 to 5 of the scope of patent application, comprising: a handle; and a first rod extending from the handle; wherein, the handle A second rod part is formed between the first rod part, and a leading edge is formed between the second rod part and the first rod part for pushing against the locking member. As for the key described in item 6 of the scope of patent application, the leading edge is a slope or step shape that is tapered from the second rod to the first rod. For the key described in item 7 of the scope of patent application, the width of the second shaft is wider than the width of the first shaft.

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