TWI689657B - Key rod structure - Google Patents

Abstract

The present invention relates to a key rod structure which comprises a rod body, a first pin hole and a second pin hole respectively bored at two corresponding sides of the rod body, and a first pin sheet and a second pin sheet respectively disposed in the first pin hole and the second pin hole. The first pin sheet and the second pin sheet are matched with each other and fixed by a tenon inserted into one end of the rod body. When the key rod structure is inserted into a key hole of a key, a first locking bead and a second locking bead corresponding to a pass word slot of the key rod structure fall into the pass word slot and move downward, and a third locking bead and a fourth locking bead are respectively and correspondingly pushed upwardly by the first pin sheet and the second pin sheet. Accordingly, the different movement direction of the locking beads corresponding to the pass word slot and the first locking sheet and the second locking sheet and a decreased gap between the locking beads and the first pin sheet increase the difficulty of unlocking by others and reduce the overall volume of the key.

Description

Key lever structure

The invention relates to a key lever structure. A first pin piece and a second pin piece that are engaged with each other are inserted on both sides of the rod body, and the mating state of the first and second pin pieces is fixed by a tenon The invention can effectively improve the security of the lock and reduce the volume of the key.

At present, the main lock structure is provided with a lock core, and the lock core has a key hole. Only when the correct corresponding key rod is inserted into the key hole, the lock core can be turned to open the lock; its main function is that the lock core jacket is provided with a lock core The housing, the lock core and the lock core housing are provided with a plurality of penetrating lock bead holes, and the lock core and the lock bead holes in the lock core shell are sequentially provided with elastic members, first lock beads and second lock beads. The first lock bead and the second lock bead will be pushed up by the elastic member, so that the first lock bead is locked between the lock core and the lock core shell, so that the lock core cannot rotate and achieve the purpose of locking; when provided When the key rod that correctly corresponds to the code hole is inserted into the lock core, the first lock bead can fall into the code hole to align the boundary between the first lock bead and the second lock bead at the junction of the lock core and the lock core shell. You can turn the lock core by the key lever to achieve the purpose of unlocking.

However, when the lock designed above is in use, there is still a risk of being opened by a thief. Therefore, different locks will be developed based on the operation principle of the above lock. For example, the invention patent of the Republic of China Patent No. TW I452202 (B) is a kind of lock. The key of the rotating trigger is set at least pivotally on the key board There is a rotating trigger with limited rotation amplitude, and a slot with a less than one through-hole. When the key plate corresponds to the vertical surface of each slot, there are equal number of pin holes. When the rotating trigger is placed in the slot, The pin is combined with the fixed rotating contact piece to make the rotating contact piece take the pin as the center of the circle to restrict the rotation of the swing between the slot walls; the two sides of the key hole of the inner lock core form a guide angle, and the inner lock core drill is provided with a The bead hole is placed in parallel with a bead, the bead hole and the bead are set slightly forward of the block end corresponding to the rotation trigger of the key plate and the vertical direction of the key plate, and the inner lock core and the outer lock core are respectively drilled with an inner The bead holes and the outer bead holes are pivotally provided with equal rows of bead rows, and the positions of the inner bead holes, the outer bead holes and the equal row of bead rows correspond to the positions where the rotary trigger exceeds the outer end of the key plate; thereby, the present invention uses a rotary swing member Push the first lock bead and the second lock bead to release the lock state and achieve the purpose of unlocking. However, in the design of the lock, as long as the lock bead is pushed, the purpose of unlocking can be achieved, so there is still room for improvement in safety.

Now, in view of the inadequacy of the current design of the key lever, the inventor is a tireless spirit, and it is improved by his rich professional knowledge and many years of practical experience, and the invention was developed based on this.

The invention provides a key lever structure, the purpose of which is to provide a key lever with small volume and high security.

In order to achieve the above object, the key lever structure of the present invention is mainly provided with a lever body, at least one first pin blade, at least one second pin blade, and at least one tenon.

The rod body is elongated and includes a socket, at least one first tip hole and at least one second tip hole; the socket is inserted in the center of the end of the rod body along the axial direction of the rod body, and at least one first tip hole It is elongated and is radially arranged on the first side of the rod body, at least one second tip hole is elongated and is radially arranged on the second side of the rod body, wherein the insertion hole, the first tip hole and the second tip hole are In a state of communication; the first side and the second side of the rod body are along A first groove and a second groove are provided in the axial direction, and the first tip hole is provided in the first groove, and the second tip hole is provided in the second groove.

The first inserting pin is disposed in the first tip hole, and a first notch is recessed on one side; the second inserting pin is disposed in the second tip hole, and a second notch is recessed on one side, and the first insert The first gap of the tip piece is connected together. The tenon is inserted into the jack, and the opposite side of the first pin piece provided with the first notch is arranged toward the pin and corresponds to the pin, and one end of the pin is resisted to the first pin The side corresponding thereto is used to fix the state of the mating engagement of the first pin piece and the second pin piece.

In one embodiment of the present invention, the first prong blade defines a first center line passing through the axial center, and the depth of the first notch exceeds the first center line; the second prong blade defines a passing axis The second centerline toward the center, and the depth of the second notch is recessed beyond the second centerline.

In an embodiment of the invention, the rod body is a polygonal rod body.

In an embodiment of the invention, the rod body is a circular rod body.

In one embodiment of the present invention, the first prong and the second prong are connected in a cross

In one embodiment of the present invention, the first prong and the second prong are diagonally connected.

In one embodiment of the present invention, a plurality of first tip holes are axially spaced on one side of the rod body, and a plurality of second tip holes are axially spaced on the other side of the rod body, the plurality of first tips The hole system is correspondingly communicated with the plurality of second tip holes, and the corresponding first tip holes and second tip holes are respectively communicated with the jacks that are axially penetrated in the rod body; each first tip hole is provided with a In the first insertion pin, each second insertion hole is provided with a second insertion pin, and the first insertion hole and the first insertion pin and the second insertion pin in the second insertion hole are connected by The first notch and the second notch are connected together in pairs; there are also a plurality of tenons to be inserted into the jacks communicating with each first tip hole and each second tip hole, respectively One end Do not stick to the other side of the first notch corresponding to the first notch to fix the mating engagement of each first pin and each second pin and form on the rod body There is a complex array of insert slices.

In one embodiment of the present invention, the first and second prongs of the plurality of prong sets are formed on the rod to form a 360-degree layout.

In this way, when the key rod structure of the present invention is inserted into the key hole corresponding to the lock core, the first lock bead and the second lock bead provided on the lock core corresponding to the key lever code slot will be displaced downwards The third locking bead and the fourth locking bead corresponding to the blade and the second locking pin will move upward, and the unlocking direction of the locking bead is different by the first locking pin on the key lever and the second locking pin and the code slot The design and the narrow gap between the first pin and the third locking bead further increase the difficulty of illegal unlocking. In addition, the first pin and the second pin have a small volume, and can also Used to prepare small keys.

1: rod body

12: jack

13: The first tip hole

14: second tip hole

15: First side

151: The first groove

16: Second side

161: Second groove

2: The first insert

21: The first gap

211: top surface

22: the other side

23: the first end

24: second end

2A: the first insert

2B: the first insert

2C: The first insert

3: second pin

31: Second gap

3A: second pin

3B: Second pin

3C: Second pin

4: Mortise

4A: The first tenon

4B: Second mortise

4C: Third mortise

5: Lock

51: lock heart

511: keyhole

52: The first lock bead

53: second lock bead

54: lock core housing

55: third lock bead

56: fourth lock bead

The first picture: the perspective exploded view of the key lever structure of the present invention.

The second picture: the three-dimensional assembly drawing (1) of the key lever structure of the present invention.

The third picture: the three-dimensional assembly diagram (2) of the key lever structure of the present invention.

Fourth figure: a side sectional view of the assembled state of the key lever structure of the present invention.

Fifth figure: Side cross-sectional view (1) of the operating state of the key lever structure of the present invention.

Figure 6: Side cross-sectional view (2) of the operating state of the key lever structure of the present invention.

Seventh figure: A side sectional view of the mode of action of the key lever structure of the present invention.

Figure 8: A side sectional view of the second embodiment of the key lever structure of the present invention.

Ninth Figure: A perspective exploded view of the third embodiment of the key lever structure of the present invention.

Tenth figure: A three-dimensional assembled view of the third embodiment of the key lever structure of the present invention.

The purpose of the present invention and its structural and functional advantages will be explained based on the structure shown in the following drawings and in conjunction with specific embodiments, so that the reviewer can have a more in-depth and specific understanding of the creation. In addition, through the following specific embodiments, the scope of the present invention can be further proved to be practical, but it is not intended to limit the scope of the present invention in any form.

Please refer to the first and second figures. The key rod structure of the present invention mainly includes a rod body (1), at least one first pin blade (2), at least one second pin blade (3) and at least one tenon (4). The rod body (1) includes a socket (11), the socket (11) is penetrated through the rod body (1) along the axial direction of the rod body (1) and the opening is formed at the end (12) of the rod body (1) ); the rod body (1) further includes a first tip hole (13) and a second tip hole (14), the first tip hole (13) is elongated and radially disposed on the rod body (1) The first side (15), the second tip hole (14) is also elongated and is arranged radially on the second side (16) of the rod body (1), wherein the socket (11), the first tip hole (13) And the second tip hole (14) are interpenetrating; wherein the first side (15) and the second side (16) of the rod body (1) are respectively provided with a first groove (151) and a first groove along the axial direction Two trenches (161), and the first tip hole (13) is disposed in the first trench (151), and the second tip hole (14) is disposed in the second trench.

The first pin (2) is disposed in the first pin hole (13), and a first notch (21) is recessed on one side; the first pin (2) defines a first through the axial center The centerline, and the first notch (21) is recessed to a depth exceeding the first centerline.

The second pin (3) is disposed in the second pin hole (14), and a second notch (31) is recessed on one side; the second pin (3) defines a second through the axial center The center line, and the second notch (31) is recessed to a depth exceeding the second center line. Wherein, the first pin (2) and the second pin (3) are connected to each other through the first notch (21) and the second notch (31).

Please refer to the first to fourth figures at the same time, insert the first pin (2) and the second pin (3) into the first pin hole (13) and the second pin hole of the rod body (1) respectively (14) After that, insert the tenon (4) into the corresponding When the socket (11) of the rod body (1) and the tenon (4) are inserted into the socket (11) of the rod body (1), the tenon (4) will face and resist the first pin ( 2) The other side (22) of the first notch (21) is provided to fix the state of the mating engagement of the first pin (2) and the second pin (3); In the embodiment of the three figures, the first pin (2) and the second pin (3) are in a cross-connected state.

Please refer to the fifth picture. When the key lever structure of this creation is not used, the first pin (2) will sink due to gravity, and the first notch (21) of the first pin (2) will top The surface (211) will resist the positioning of the second pin (3), so that the first end (23) of the first pin (2) slightly protrudes from the first pin hole (1) of the rod (1) 13) Outside, and the second end (24) of the first pin (2) will be slightly lower than the face of the shaft (1).

Please also refer to the sixth and seventh figures. When the rod body (1) of the present invention is inserted into the key hole (511) of a lock (5) lock core (51), the first pin (2) is exposed to The first end (23) outside the first tip hole (13) is supported by the hole wall of the key hole (511) and enters the first tip hole (13), and the second end of the first inserting blade (2) (24) It will also return to the state of being flush with the face of the rod body (1); when the rod body (1) is inserted into the key hole (511) to reach the position, the lock (5) corresponds to the password slot of the rod body (1) The first lock bead (52) will fall into the password groove of the rod body (1), and the second lock bead (53) provided on the other side of the first lock bead (52) will be displaced together to make the first lock The junction of the bead (52) and the second lock bead (53) is located at the junction of the lock core (51) of the lock (5) and the lock core housing (54); meanwhile, corresponding to the position of the first pin (2) The third locking bead (55) will be pushed upward by the top end (24) of the first pin (2), and the boundary between the third locking bead (55) and the fourth locking bead (56) will be pushed to the lock core ( 51) and the lock core housing (54) at the junction, the lock core (51) is now in the unlocked state, the user can turn the lever body (1) of the key lever structure to drive the lock core (51) to rotate, and unlock the lock (5). With this, the locking device (5) corresponds to the moving direction of the first locking bead (52) and the second locking bead (53) of the lever body (1) cipher slot, and the third lock corresponding to the first pin (2) The different displacement directions of the bead (55) and the fourth locking bead (56) will increase the difficulty of illegal unlocking, and the third locking bead (55) corresponding to the first pin (2) The contact area is narrower, which also increases the difficulty of unlocking illegally. Furthermore, the volume of the first pin (2) and the second pin (3) are quite small, so the invention can also be applied to the preparation of small Volume keys.

Please refer to the eighth figure, which is another embodiment of the present invention. The rod body (1) is provided with a plurality of sets of first inserting blades (2), second inserting blades (3) and inserting tenons (4) A plurality of first tip holes (13) and a plurality of second tip holes (14) are provided on both sides of the rod body (1) at a radial interval to provide The first insertion pin (2) and the second insertion pin (3) are respectively inserted, wherein the corresponding first insertion hole (13) and the second insertion hole (14) are communicated with each other, and both The jack (11) in the center of the rod body (1) is communicated; taking the embodiment of the eighth figure as an example, three sets of pin blades are provided, and the first pin blade (2A) of the first group is assembled before assembly Insert the first tip hole (12) and the second tip hole (13) farthest from the end (12) with the second insert pin (3A), and then insert the first insert tenon (4A) into the rod body (1) In the jack (11) of the first group, fix the first set of first pins (2A) and the second set of pins (3A); then assemble the second set of first pins (2B) in the same way ), the second pin (3B) and the second pin (4B), and the third group of the first pin (2C), the second pin (3C) and the third pin (4C) To complete the key lever structure shown in the eighth figure. The present invention can utilize a set of more than one pin set on the rod body (1), and combine with the lock beads of the lock (5) to form more password structures, greatly increasing the difficulty of illegal unlocking and achieving more Good anti-theft effect.

Please refer to the ninth and tenth figures again. In another embodiment of the present invention, the first tip hole (13) and the second tip hole (14) are opened on two diagonal sides of the rod body (1), The first groove (151) and the second groove (161) are respectively provided on the diagonal sides of the first tip hole (13) and the second tip hole (14); (2) and the second insertion piece (3), and the first insertion piece (2) and the second insertion piece (3) are connected through the first notch (21) and the second notch (31) Finally, insert the tenon (4) into the socket (11) to fix the state of the mating engagement of the first pin (2) and the second pin (3). In the embodiments of the ninth and tenth figures, the assembled first prongs (2) and second prongs (3) exhibit a combined state of diagonal intersection. Therefore, the lock (5) and The lock beads corresponding to the first pin (2) and the second pin (3) are also correspondingly arranged in the diagonal direction in the lock core (51), which can increase the complexity of the configuration of the lock (5) password structure To further increase the difficulty of unlocking illegally.

The above embodiments are not used to limit the implementation of the key lever structure of the present invention. The lever body (1) of the present invention may be a polygonal lever body (1), for example, a rectangular, triangular, hexagonal lever body (1 ); the rod body (1) of the present invention can also be a round rod body (1); In addition, the first insertion pin (2) and the second insertion pin (3) of the invention can be on the rod body ( 1) A cross joint or a diagonal cross joint is formed on the upper side, and the first pin piece (2) and the second pin piece (3) can also be arranged on the rod body (1) in a 360-degree layout state to increase the rod body (1) and the diversity of the configuration of the first pin blade (2) and the second pin blade (3) to increase the difficulty of unlocking illegally and achieve a better anti-theft effect. In addition, the first pin (2) of the present invention is formed into a sheet shape, so the contact surface with the third lock bead (55) in the lock core (51) is narrow, which also helps to improve the safety of the lock (5) Sex.

In summary, the key lever structure of the present invention can indeed achieve the expected use effect through the disclosed embodiments, and the present invention has not been disclosed before the application, and has fully complied with the provisions and requirements of the Patent Law. I filed an application for a new type of patent in accordance with the law, and pleaded for the review and granted the patent.

However, the above disclosure is only a preferred embodiment of the present invention, and is not intended to limit the scope of protection of the present invention; those who are familiar with this skill, according to the characteristic scope of the present invention, make other equivalent changes Or modification should be regarded as not departing from the design scope of the present invention.

1: rod body

11: jack

12: end

13: The first tip hole

14: second tip hole

15: First side

151: The first groove

16: Second side

161: Second groove

2: The first insert

21: The first gap

22: the other side

3: second pin

31: Second gap

4: Mortise

Claims (8)

A key rod structure is mainly provided with: a rod body, which is elongated, the rod body includes an insertion hole, the insertion hole penetrates the center of the end portion along the axial direction of the rod body, at least a first A tip hole, the at least first tip hole is elongated and is radially disposed on a first side of the rod body and communicates with the insertion hole, and at least one second tip hole, the at least one second tip hole is Long and radially arranged on a second side of the rod body, and correspondingly communicated with the first tip hole and the insertion hole, wherein the first side and the second side of the rod body are respectively along the axial direction A first groove and a second groove are provided, and the first tip hole is disposed in the first groove, the second tip aperture is disposed in the second groove; at least one first insertion piece Is located in the at least one first tip hole, and a first notch is recessed on one side; at least one second pin is disposed in the at least one second tip hole, and a first slot is recessed on one side Two notches, which are in mating engagement with the first notch of the first prong; and at least one tenon, which is inserted into the socket, and the first prong is provided with the other of the first notch One side faces the pin and corresponds to the pin, and one end of the pin is abutted against the first pin and its corresponding side to fix the first pin and the second pin The connection status of the match. According to the key lever structure described in item 1 of the patent application scope, the first pin blade defines a first center line passing through the axial center, and the depth of the first notch exceeds the first center line, the The second protruding piece defines a second center line passing through the axial center, and the depth of the second notch exceeds the second center line. According to the key lever structure described in item 1 of the patent application scope, the lever body is a polygonal lever body. According to the key lever structure described in item 1 of the patent application scope, the lever body is a circular lever body. The key lever structure as described in item 1 of the patent application scope, wherein the first pin piece and the second pin piece are connected in a cross. The key lever structure as described in item 1 of the patent application scope, wherein the first pin blade and the second pin blade are connected diagonally and diagonally. The key lever structure as described in item 1 of the patent application scope, wherein a plurality of first tip holes are axially spaced on one side of the lever body, and a plurality of second tip holes are axially spaced on the other side of the lever body , The plurality of first tip holes correspond to the plurality of second tip holes, respectively, and the corresponding first tip holes and the second tip holes each correspond to the axial through the rod body The jacks communicate with each other, and a first insertion pin is provided in each of the first pin holes, and a second insertion pin is provided in each of the second pin holes. The first pin piece and the second pin piece in the second pin hole are connected by the first notch and the second notch in pairs, and a plurality of pin tenons are provided to be inserted in each The first pin hole and the second pin hole communicate with each other, and make one end of each tenon be pushed against the corresponding first pin piece provided with the first notch Opposite to the other side, to fix the mating engagement between each of the first pin blades and each of the second pin blades, a plurality of pin blade groups are formed on the rod body. The key lever structure as described in item 7 of the scope of the patent application, wherein the first pin piece and the second pin piece of the plurality of sets of pin pieces form a 360-degree layout pattern on the rod body.

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