CN220645555U - Computer key, lock core and lockset - Google Patents

Abstract

The utility model discloses a computer key, a lock cylinder and a lockset; the computer key comprises a shell, an authorization rod, an electric control part and an unlocking head, wherein the electric control part is used for locking the telescopic movement of the limiting authorization rod; the authorization rod part extends out of the shell, and is arranged in a telescopic manner relative to the shell and provided with a primary authorization unlocking position and a secondary authorization unlocking position; the electric control can be activated by an authorization piece on the lock cylinder, and the electric control piece locks and limits or releases the limit on the authorization rod positioned at the primary authorization unlocking position; the unlocking head and the authorization rod extend out from the same side of the shell; the unlocking head is inserted with the lock cylinder part when the authorization rod is positioned at the primary authorization unlocking position, and the unlocking head is completely inserted with the lock cylinder when the authorization rod is positioned at the secondary authorization unlocking position. Therefore, the appointed lock core is opened by arranging the electric control and the authorization rod on the computer key, so that the lock core only needs to be provided with the authorization piece, and the unlocking module authorization mechanism is simple and reliable, small in lock core size, few in parts, convenient to assemble and low in cost.

Description

Computer key, lock core and lockset

Technical Field

The utility model relates to the technical field of locking devices, in particular to a computer key, a lock cylinder and a lockset.

Background

The existing lockset used in industrial places such as electric power, coal mine and the like needs to meet the requirements of multiple functions such as identity authorization, angle detection, dust prevention, theft prevention and the like, and the existing lockset is provided with a secondary locking device on a lock cylinder so that the lockset has a double locking function, and the safety performance of the lockset is improved, however, the lock cylinder is large in size, so that the lock cylinder cannot be suitable for application scenes requiring small-sized or miniature lock cylinders/locksets, and therefore improvement is needed.

Disclosure of Invention

The utility model mainly aims to provide a computer key which aims to reduce the size of a lock cylinder.

In order to achieve the above purpose, the computer key provided by the utility model comprises a shell, an authorization rod, an electric control part and a lock release head, wherein the electric control part is used for locking and limiting the telescopic movement of the authorization rod;

the authorization rod is movably arranged on the shell, the part of the authorization rod extends out of the shell, and the authorization rod moves in a telescopic manner relative to the shell and has a primary authorization unlocking position and a secondary authorization unlocking position;

the electric control part is arranged on the shell, the electric control part can be activated by an authorization part on the lock cylinder, and the electric control part locks and limits or releases the limit of the authorization rod positioned at the primary authorization unlocking position;

the unlocking head is arranged on the shell, the unlocking head and the authorization rod are nested, and the unlocking head and the authorization rod extend out from the same side of the shell;

the unlocking head is inserted with the lock cylinder part when the authorization rod is located at the primary authorization unlocking position, and is completely inserted with the lock cylinder when the authorization rod is located at the secondary authorization unlocking position.

In some embodiments of the present utility model, the end surface of the housing is provided with a first movable channel, the head end of the authorization rod extends out of the first movable channel, and the tail end of the authorization rod extends into the first movable channel and is in clearance fit with the first movable channel;

the unlocking head is provided with a second movable channel with two ends penetrating through the unlocking head, one end of the unlocking head is fixedly connected with the shell, the other end of the unlocking head is used for being in plug-in connection with a lock liner on the lock core, and the head end of the authorization rod extends into the second movable channel.

In some embodiments of the utility model, the computer key further comprises a return spring mounted within the first movable channel, the return spring acting on the end of the authorization lever to cause the authorization lever to be subjected to a return force moving from the secondary authorized unlocked position to the primary authorized unlocked position.

In some embodiments of the present utility model, an inner wall portion of the first movable channel is disposed through the housing in a radial direction to form a mounting channel that communicates with the first movable channel, the electric control element includes a power supply coil, an unlocking module, and a communication module, the unlocking module is disposed in the mounting channel, the unlocking module locks or unlocks the authorization lever located at the primary authorization unlocking position, the power supply coil is disposed at a position of the housing adjacent to the unlocking head, the power supply coil is used for supplying power to the authorization element on the lock cylinder, and the communication module is disposed on the housing and is used for receiving signals of the authorization element on the lock cylinder.

In some embodiments of the present utility model, a limiting groove is formed in an outer peripheral wall of the authorization rod in the first movable channel, and the limiting groove extends along a circumferential direction of the authorization rod; the unlocking module comprises a driving piece and a locking pin, wherein the driving piece is in transmission connection with the locking pin, and the driving piece drives the locking pin to extend into the limiting groove or withdraw from the limiting groove.

In some embodiments of the present utility model, a first mounting groove surrounding the first movable channel is formed on an end surface of the housing adjacent to the unlocking head, and the power supply coil is annularly arranged and mounted in the first mounting groove;

the computer key further comprises a cover body which is in an annular arrangement, the cover body is sleeved on the outer side of the unlocking head, and the cover body is connected with the shell and seals the notch of the first mounting groove.

The utility model also provides a lock cylinder, which comprises a lock shell, an authorization piece, a lock liner and a special-shaped marble; wherein,

the lock comprises a lock shell, and is characterized in that one end of the lock shell is provided with a second mounting groove, the bottom of the second mounting groove is provided with a avoidance hole in a penetrating manner, an authorization rod and an unlocking head of a power supply key extend in the avoidance hole, the inner wall surface of the second mounting groove is provided with a limit convex part extending along the circumferential direction of the second mounting groove, and one side, adjacent to a notch of the second mounting groove, of the limit convex part is provided with a lock groove;

the authorization piece is arranged on the lock shell and is used for sending signals to the communication module;

the special-shaped marble is movably arranged in the lock liner, moves in a direction approaching or separating from the avoidance hole, and has a three-level authorized unlocking position and a four-level authorized unlocking position;

the special-shaped marble is matched with the locking groove when the special-shaped marble is positioned at the three-level authorized unlocking position, so that the lock liner is restricted by the lock shell to rotate relative to the lock shell; the special-shaped marble exits the locking groove when the special-shaped marble is positioned at the four-stage authorized unlocking position, so that the lock liner can rotate relative to the lock shell.

In some embodiments of the present utility model, a third movable channel is disposed at an end of the lock cylinder adjacent to the avoidance hole, and a mounting opening communicated with the third movable channel is further disposed on a side wall of the lock cylinder, and extends along an axial direction of the lock cylinder;

the special-shaped marble comprises a mounting part and a locking part, wherein the mounting part is movably connected with the third movable channel, one end of the locking part is connected with the mounting part, and the other end of the locking part extends out of the mounting opening to be inserted into the locking groove or withdrawn from the locking groove.

In some embodiments of the present utility model, a guiding protrusion is disposed on an inner wall surface of the second mounting groove, the guiding protrusion and the limiting protrusion are disposed at intervals in an axial direction of the lock shell, the guiding protrusion is located at one side of the limiting protrusion, which is close to a notch of the second mounting groove, the guiding protrusion is provided with a avoiding groove, the avoiding groove is aligned with the lock groove, and an annular groove is formed between the guiding protrusion and the limiting protrusion;

an unlocking groove is formed in one side, close to the inner wall surface of the second mounting groove, of the locking part, and the unlocking groove penetrates through the second mounting groove along the circumferential direction;

the locking part is matched with the locking groove and the avoiding groove when the special-shaped marble is positioned at the three-level authorized unlocking position; the special-shaped marble is positioned at the four-stage authorized unlocking position, the locking part is withdrawn from the locking groove and the avoiding groove, and the unlocking groove is matched with the guide convex part.

In some embodiments of the present utility model, a positioning groove is formed on an inner wall surface of the third movable channel, the positioning groove extends along an extending direction of the third movable channel, a positioning protrusion matched with the positioning groove is formed on a surface of the mounting portion, and the positioning protrusion can slide relative to the positioning groove along an axial direction of the lock case.

In some embodiments of the present utility model, an abutment protrusion is disposed on a side of the lock cylinder facing the avoidance hole, and the abutment protrusion is used for abutting against an authorization lever of the computer key when the special-shaped marble is located at the three-stage authorization unlocking position.

In some embodiments of the present utility model, the lock cylinder further includes an elastic reset member, the elastic reset member is mounted to the lock cylinder, and the elastic reset member acts on the shaped pins to enable the shaped pins to receive a return force from the four-stage authorized unlocking position to the three-stage authorized unlocking position.

In some embodiments of the present utility model, the authorization member includes a housing and an authorization chip, the housing is in snap connection with a side of the lock housing where the avoidance hole is provided, a yielding through hole is formed in the housing in an axial direction of the lock housing, a third mounting groove is formed in a position, adjacent to the avoidance hole, of the housing, and the authorization chip is mounted in the third mounting groove.

The utility model also provides a lockset, which comprises a computer key and a lock cylinder;

the computer key comprises a shell, an authorization rod, an electric control part and an unlocking head, wherein the electric control part is used for locking and limiting the telescopic movement of the authorization rod;

the authorization rod is movably arranged on the shell, the part of the authorization rod extends out of the shell, and the authorization rod moves in a telescopic manner relative to the shell and has a primary authorization unlocking position and a secondary authorization unlocking position;

the electric control part is arranged on the shell, the electric control part can be activated by an authorization part on the lock cylinder, and the electric control part locks and limits or releases the limit of the authorization rod positioned at the primary authorization unlocking position;

the unlocking head is arranged on the shell, the unlocking head and the authorization rod are nested, and the unlocking head and the authorization rod extend out from the same side of the shell;

the unlocking head is spliced with the lock cylinder part when the authorization rod is positioned at a primary authorization unlocking position, and is completely spliced with the lock cylinder when the authorization rod is positioned at a secondary authorization unlocking position;

the lock core comprises a lock shell, an authorized piece, a lock liner and a special-shaped marble;

the lock comprises a lock shell, and is characterized in that one end of the lock shell is provided with a second mounting groove, the bottom of the second mounting groove is provided with a avoidance hole in a penetrating manner, an authorization rod and an unlocking head of a power supply key extend in the avoidance hole, the inner wall surface of the second mounting groove is provided with a limit convex part extending along the circumferential direction of the second mounting groove, and one side, adjacent to a notch of the second mounting groove, of the limit convex part is provided with a lock groove;

the authorization piece is arranged on the lock shell and is used for sending signals to the communication module;

the special-shaped marble is movably arranged in the lock liner, moves in a direction approaching or separating from the avoidance hole, and has a three-level authorized unlocking position and a four-level authorized unlocking position;

the special-shaped marble is matched with the locking groove when the special-shaped marble is positioned at the three-level authorized unlocking position, so that the lock liner is restricted by the lock shell to rotate relative to the lock shell; the special-shaped marble exits the locking groove when the special-shaped marble is positioned at the four-stage authorized unlocking position, so that the lock liner can rotate relative to the lock shell.

According to the technical scheme, an electric control and an authorization rod are arranged on a computer key, the authorization rod is movably arranged on a shell, a part of the authorization rod extends out of the shell, and the authorization rod moves in a telescopic manner relative to the shell and has a primary authorization unlocking position and a secondary authorization unlocking position; the electric control part is arranged on the shell and can be activated by an authorization part on the lock cylinder, and the electric control part locks and limits or releases the limit of the authorization rod positioned at the primary authorization unlocking position; the unlocking head is arranged on the shell, the unlocking head and the authorization rod are nested, and the unlocking head and the authorization rod extend out from the same side of the shell; the unlocking head is inserted with the lock cylinder part when the authorization rod is positioned at the primary authorization unlocking position, and is completely inserted with the lock cylinder when the authorization rod is positioned at the secondary authorization unlocking position. The lock cylinder is opened by arranging the electric control and the authorization rod on the computer key, so that the lock cylinder only needs to be provided with the authorization piece, and the unlocking module authorization mechanism is simple and reliable, small in lock cylinder size, few in parts, convenient to assemble and low in cost.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a cross-sectional view of one embodiment of a computer key of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of one embodiment of a lock cylinder of the present utility model;

FIG. 4 is a cross-sectional view of the shaped marble of FIG. 3 in a four-stage authorized unlocking position; FIG. 5 is an exploded view of FIG. 3;

FIG. 6 is a partial cross-sectional view of the lock housing of FIG. 5;

FIG. 7 is a cross-sectional view of the lock cylinder of FIG. 5;

FIG. 8 is a cross-sectional view taken at A-A of FIG. 7;

FIG. 9 is a schematic view of the configuration of the shaped pin of FIG. 5;

FIG. 10 is a cross-sectional view of one embodiment of the lock of the present utility model;

fig. 11 is a cross-sectional view of the shaped pin of fig. 10 in a four-stage authorized unlocked position.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1000	Lock set	213	Limiting convex part
100	Computer key	214	Lock groove
				110	Shell body	215	Guide projection
111	First movable channel	216	Avoidance groove
				112	Mounting channel	217	Annular groove
113	First mounting groove	220	Authorization piece
				120	Authorization rod	221	Outer casing
121	Limiting groove	221a	Yielding through hole
				130	Electric control	221b	Third mounting groove
131	Power supply coil	222	Authorization chip
				132	Unlocking module	230	Lock liner
132a	Driving assembly	231	Third movable channel
				132b	Locking pin	232	Mounting opening
140	Unlocking lock	233	Positioning groove
				141	Second movable channel	234	Abutment projection
150	Reset spring	240	Special-shaped marble
				160	Cover body	241	Mounting part
200	Lock core	242	Locking part
				210	Lock shell	242a	Unlocking groove
211	Second mounting groove	243	Positioning convex part
				212	Avoidance hole	250	Elastic resetting piece

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the technical solutions should be considered that the combination does not exist and is not within the scope of protection claimed by the present utility model.

Referring to fig. 1 to 2, the present utility model provides a computer key 100, the computer key 100 includes a housing 110, an authorization lever 120, an electrical control 130 and an unlocking head 140, the authorization lever 120 is movably mounted on the housing 110, a portion of the authorization lever 120 extends out of the housing 110, the electrical control 130 is disposed on the housing 110, the unlocking head 140 is nested with the authorization lever 120, and the unlocking head 140 and the authorization lever 120 extend out from the same side of the housing 110.

The shape of the housing 110 may be varied, the housing 110 may be "L" shaped, the housing 110 may be "I" shaped, the housing 110 may be square shaped, and the shape is not particularly limited herein. The housing 110 can be made of a wide variety of materials, the housing 110 can be made of a metallic material, the housing 110 can be made of a harder plastic, and the housing 110 can be made of other materials, not specifically limited herein.

The authorization lever 120 is telescopically movable relative to the housing 110 and has a primary authorized unlocked position and a secondary authorized unlocked position, the authorization lever 120 may be made of a metallic material, the authorization lever 120 may be made of a harder plastic material, and the authorization lever 120 may be made of other materials, not specifically limited herein. The position of the authorization lever 120 mounted on the housing 110 is varied, the authorization lever 120 may be movably mounted on the surface of the housing 110, and the authorization lever 120 may also be movably mounted inside the housing 110, which is not limited herein.

The electric control member 130 can be activated by the authorizing member 220 on the lock cylinder 200, the electric control member 130 locks and limits or releases the authorizing rod 120 located at the primary authorized unlocking position, the electric control member 130 has various kinds, the electric control member 130 can be used for limiting the authorizing rod 120, and the electric control member 130 can also be used for driving the authorizing rod 120 to move, which is not limited in detail herein. The electric control member 130 is disposed in the housing 110 in various manners, the electric control member 130 can be mounted in the housing 110 by a screw connection manner, the electric control member 130 can also be mounted in the housing 110 by a fastening manner, and the electric control member 130 can also be disposed in the housing 110 by other manners, which is not limited herein.

The unlocking head 140 is nested with the authorization lever 120, the unlocking head 140 and the authorization lever 120 extend out from the same side of the housing 110, the unlocking head 140 is partially inserted into the lock cylinder 200 when the authorization lever 120 is located at the primary authorization unlocking position, and the unlocking head 140 is completely inserted into the lock cylinder 200 when the authorization lever 120 is located at the secondary authorization unlocking position.

The shape of the unlocking head 140 is various, the unlocking head 140 may be cylindrical, the computer key 100 may be square, and the unlocking head 140 may be other shapes, which are not particularly limited herein. The unlocking head 140 may be made of various materials, the unlocking head 140 may be made of metal materials, the unlocking head 140 may be made of harder plastics, and the unlocking head 140 may be made of other materials. The unlocking head 140 may be embedded in the housing 110 in a variety of manners, and the unlocking head 140 may be mounted on the housing 110 by screw connection, and the unlocking head 140 may be integrally formed with the housing 110, which is not particularly limited herein.

When a user needs to open the lock cylinder 200 by using the computer key 100, the user brings the computer key 100 close to the lock cylinder 200, the electric control 130 of the computer key 100 supplies power to the authorizing member 220 on the lock cylinder 200 and receives a signal of the authorizing member 220 on the lock cylinder 200, so that the electric control 130 unlocks the authorizing rod 120 at the primary authorized unlocking position, the authorizing rod 120 can be driven by external force to move from the primary authorized unlocking position to the secondary authorized unlocking position, then the unlocking head 140 of the computer key 100 is in complete plug-in fit with the lock cylinder 200, and finally the lock cylinder 200 is opened; when the computer key 100 is not matched with the lock cylinder 200, the electric control part 130 on the computer key 100 locks the authorization rod 120 at the primary authorization unlocking position, and the authorization rod 120 cannot move after the computer key 100 contacts with the lock cylinder 200, so that the unlocking head 140 of the computer key 100 is partially spliced with the lock cylinder 200, and the lock cylinder 200 cannot be opened.

According to the technical scheme, the electronic control 130 and the authorization rod 120 are arranged on the computer key 100, the electronic control 130 is arranged on the shell 110, the electronic control 130 can be activated by the authorization piece 220 on the lock cylinder 200, the electronic control 130 locks or unlocks the authorization rod 120 positioned at the first position, the unlocking head 140 is arranged on the shell 110, the unlocking head 140 and the authorization rod 120 are arranged in parallel, and the unlocking head 140 and the authorization rod 120 extend out from the same side of the shell 110; the unlocking head 140 is arranged at intervals with the special-shaped marble 240 of the lock cylinder 200 when the authorization lever 120 is positioned at the first position, and the unlocking head 140 is matched with the special-shaped marble 240 of the lock cylinder 200 when the authorization lever 120 is positioned at the second position. By arranging the electric control 130 and the authorization lever 120 on the computer key 100, the appointed lock cylinder 200 is opened, so that the lock cylinder 200 only needs to be provided with the authorization piece 220, and the size of the lock cylinder 200 is reduced.

The unlocking head 140 and the authorization lever 120 may be disposed at a distance on the surface of the housing 110, where the unlocking head 140 and the authorization lever 120 are disposed to overlap on the surface of the housing 110, and preferably, referring to fig. 1 to 2 together, the unlocking head 140 and the authorization lever 120 are disposed to overlap on the surface of the housing 110, which is to overlap the lock cylinder 200 and the lock cylinder 230 at a position where the lock cylinder 200 abuts against the authorization lever 120, so as to reduce the size of the lock cylinder 200.

Specifically, referring to fig. 1 to 2, the end surface of the housing 110 is provided with a first movable channel 111, the head end of the authorization lever 120 extends out of the first movable channel 111, the tail end of the authorization lever 120 extends into the first movable channel 111 and is in clearance fit with the first movable channel 111, the unlocking head 140 has a second movable channel 141 with two ends penetrating through the first movable channel, one end of the unlocking head 140 is fixedly connected with the housing 110, the other end of the unlocking head 140 is in plug-in fit with a lock cylinder 230 on the lock cylinder 200, and the head end of the authorization lever 120 extends into the second movable channel 141.

Further, the computer key 100 further includes a return spring 150, where the return spring 150 is installed in the first movable channel 111, and the return spring 150 acts on the end of the authorization lever 120, so that the authorization lever 120 receives a return force from the second authorized unlocked position to the first authorized unlocked position. By means of the arrangement, after the computer key 100 is separated from the lock cylinder 200, the authorization rod 120 can return to the primary authorization unlocking position under the driving of the reset spring 150, so that the electric control part 130 can accurately lock the authorization rod 120 at the primary authorization unlocking position. The return spring 150 may be a compression spring, and the return spring 150 may be an extension spring, which is not particularly limited herein.

Referring to fig. 1 to 2, in some embodiments of the present utility model, an inner wall portion of the first movable channel 111 is disposed through the housing 110 along a radial direction to form a mounting channel 112 in communication with the first movable channel 111, the electric control unit 130 includes a power supply coil 131, an unlocking module 132, and a communication module, not shown, the unlocking module 132 is disposed in the mounting channel 112, the unlocking module 132 is configured to lock or unlock the authorization lever 120 located at the primary authorized unlock position, the power supply coil 131 is disposed at a position of the housing 110 adjacent to the unlocking head 140, the power supply coil 131 is configured to supply power to the authorization unit 220 on the lock cylinder 200, and the communication module is disposed at the housing 110, and is configured to receive signals from the authorization unit 220 on the lock cylinder 200.

So configured, the power coil 131 is used to supply power to the authorizing member 220 on the lock cylinder 200, so that the authorizing member 220 on the lock cylinder 200 sends an electrical signal to a communication module, and the communication module recognizes the electrical signal sent by the authorizing member 220 on the lock cylinder 200 and then unlocks the locking module 132 to work.

Specifically, referring to fig. 1 to 2 together, a limiting groove 121 is formed in an outer peripheral wall of the authorization lever 120 in the first movable channel 111, the limiting groove 121 extends along a circumferential direction of the authorization lever 120, the unlocking module 132 includes a driving member 132a and a locking pin 132b, the driving member 132a is in driving connection with the locking pin 132b, and the driving member 132a drives the locking pin 132b to extend into the limiting groove 121 or withdraw from the limiting groove 121. So set up, thereby lock authorization lever 120 through the cooperation of latching pin 132b and spacing groove 121, drive piece 132a drives latching pin 132b and withdraws from spacing groove 121 when communication module discerns the signal of authorizing piece 220 on lock core 200 to realize the unblock to authorization lever 120.

The types of the driving member 132a are various, the driving member 132a may be a telescopic motor, the driving member 132a may be a solenoid, and the driving member 132a may be a hydraulic machine, which is not particularly limited herein. The driving member 132a may be mounted in the mounting channel 112 in a variety of manners, the driving member 132a may be mounted in the mounting channel 112 by a screw connection, and the driving member 132a may be mounted in the mounting channel 112 by an embedded manner, which is not particularly limited herein.

Referring to fig. 1 to 2, in some embodiments of the utility model, a first mounting groove 113 surrounding the first movable channel 111 is formed on an end surface of the housing 110 adjacent to the unlocking head 140, the power coil 131 is annularly disposed and mounted in the first mounting groove 113, the computer key 100 further includes a cover 160 annularly disposed, the cover 160 is sleeved on an outer side of the unlocking head 140, and the cover 160 is connected with the housing 110 and covers a notch of the first mounting groove 113. So arranged, the power coil 131, the authorization lever 120, and the unlocking head 140 are overlapped on the surface of the housing 110, so that the lock cylinder 230 is overlapped with the authorization piece 220, thereby reducing the size of the lock cylinder 200.

Referring to fig. 3 to 5, the present utility model further provides a lock cylinder 200, where the lock cylinder 200 can be unlocked by the computer key 100 in the above embodiments, and the specific structure of the computer key 100 refers to the above embodiments, and since the lock cylinder 200 adopts all the technical solutions of all the above embodiments, at least has all the beneficial effects brought by the technical solutions of the above embodiments, which are not described herein again. The lock cylinder 200 includes a lock case 210, an authorizing member 220, a lock cylinder 230, and a shaped pin 240, wherein the authorizing member 220 and the lock cylinder 230 are both disposed on the lock case 210, and the shaped pin 240 is movably mounted on the lock cylinder 230.

The lock case 210 has a second mounting groove 211 at one end, and a through hole 212 is formed in the bottom of the second mounting groove 211, the through hole 212 extends into the authorization rod 120 and the unlocking head 140 of the power key 100, the lock case 210 is made of various materials, the lock case 210 may be made of a metal material, the lock case 210 may be made of a hard plastic material, and the lock case 210 may be made of other materials, which is not limited herein specifically.

The inner wall surface of the second mounting groove 211 is provided with a limit protrusion 213 extending along the circumferential direction of the second mounting groove 211, and one side of the limit protrusion 213 adjacent to the notch of the second mounting groove 211 is provided with a locking groove 214.

The authorizing member 220 is disposed on the lock case 210, the authorizing member 220 is used for sending signals to a communication module, and the authorizing member 220 is of various types, for example, the authorizing member 220 is a radio frequency chip, the communication module is a radio frequency transmitting device, for example, the authorizing member 220 is an IC serial resonance circuit, and the communication module is a radio frequency reader-writer without specific limitation.

The lock cylinder 230 is mounted in the second mounting groove 211, the lock cylinder 230 may be made of a metal material, the lock cylinder 230 may be made of a harder plastic material, and the lock cylinder 230 may be made of other materials, which are not particularly limited herein.

The special-shaped marble 240 is movably mounted on the lock cylinder 230, the special-shaped marble 240 moves along the direction approaching or departing from the avoidance hole 212, the special-shaped marble 240 has a three-level authorized unlocking position and a four-level authorized unlocking position, the special-shaped marble 240 is matched with the locking groove 214 when the special-shaped marble 240 is positioned at the three-level authorized unlocking position, so that the lock cylinder 230 is restricted from rotating relative to the lock shell 210 by the restriction of the lock shell 210, and the special-shaped marble 240 is withdrawn from the locking groove 214 when the special-shaped marble 240 is positioned at the four-level authorized unlocking position, so that the lock cylinder 230 can rotate relative to the lock shell 210.

The shaped pins 240 extend out of the cylinder 230 in a plurality of positions, and the shaped pins 240 may protrude from the surface of the cylinder 230 toward the limiting protrusion 213, and the shaped pins 240 may also laterally protrude from the side surface of the cylinder 230, preferably, the shaped pins 240 laterally protrude from the side surface of the cylinder 230, so that the length of the shaped pins 240 is reduced, thereby reducing the size of the lock cylinder 200.

Specifically, referring to fig. 3 to 9, a third movable channel 231 is disposed at an end of the lock cylinder 230 adjacent to the avoidance hole 212, a mounting opening 232 is further disposed on a sidewall of the lock cylinder 230 and is in communication with the third movable channel 231, and the mounting opening 232 extends along an axial direction of the lock cylinder 230; the shaped pin 240 includes a mounting portion 241 and a locking portion 242, the mounting portion 241 is movably connected to the third movable channel 231, one end of the locking portion 242 is connected to the mounting portion 241, and the other end of the locking portion 242 protrudes from the mounting opening 232 to be inserted into the locking groove 214 or withdrawn from the locking groove 214.

The locking part 242 extends out of the mounting opening 232, the locking part 242 is matched with the locking groove 214 when the special-shaped marble 240 is positioned at the three-stage authorized unlocking position, so that the lock cylinder 230 cannot rotate relative to the lock shell 210, the locking part 242 is withdrawn from the locking groove 214 when the special-shaped marble 240 is positioned at the four-stage authorized unlocking position, so that the lock cylinder 230 can rotate relative to the lock shell 210, and meanwhile, the second movable channel 141 can play a role in guiding the special-shaped marble 240, so that the lock cylinder 200 has the characteristics of few parts, small size and reliable functions;

further, referring to fig. 3 to 9 together, the inner wall surface of the second mounting groove 211 is provided with a guiding protrusion 215, the guiding protrusion 215 and the limiting protrusion 213 are disposed at intervals in the axial direction of the lock case 210, the guiding protrusion 215 is located at one side of the limiting protrusion 213 close to the notch of the second mounting groove 211, the guiding protrusion 215 is provided with a avoiding groove 216, the avoiding groove 216 is aligned with the locking groove 214, and an annular groove 217 is formed between the guiding protrusion 215 and the limiting protrusion 213;

an unlocking groove 242a is formed in the locking portion 242 on a side close to the inner wall surface of the second mounting groove 211, and the unlocking groove 242a is formed to penetrate in the circumferential direction of the second mounting groove 211;

the locking portion 242 mates with the locking slot 214 and the avoidance slot 216 when the shaped marble 240 is in the three-stage authorized unlocking position; the locking portion 242 exits the lock groove 214 and the escape groove 216 when the shaped pins 240 are in the four-stage authorized unlocked position, and the unlocking groove 242a mates with the guide projection 215.

So configured, the locking portion 242 cooperates with the locking groove 214 and the avoiding portion when the shaped marble 240 is in the three-stage authorized unlocking position, so that the lock cylinder 230 is restricted from rotating relative to the lock cylinder 210 by the constraint of the lock cylinder 210, the locking portion 242 exits the locking groove 214 and the avoiding groove 216 when the shaped marble 240 is in the four-stage authorized unlocking position, and the unlocking groove 242a cooperates with the guiding protrusion 215, thereby guiding the rotation of the lock cylinder 230 and the lock cylinder 210.

Referring to fig. 3 to 9, in some embodiments of the utility model, a positioning groove 233 is disposed on an inner wall surface of the third movable channel 231, the positioning groove 233 extends along an extending direction of the third movable channel 231, a positioning protrusion 243 matching with the positioning groove 233 is disposed on a surface of the mounting portion 241, and the positioning protrusion 243 can slide along an axial direction of the lock case 210 relative to the positioning groove 233. So set up, through the cooperation of location convex part 243 with the constant head tank 233, make special-shaped marble 240 receive spacingly in the radial along the body on the one hand to prevent that special-shaped marble 240 from following the radial of lock courage 230 in the installation and drop, and then be convenient for special-shaped marble 240 installation, on the other hand make special-shaped marble 240 can not rotate for lock courage 230, thereby improve locking portion 242 and locking groove 214 complex precision, and then avoid locking portion 242 and locking groove 214 dislocation to lead to lock courage 230 unable switch to tertiary unlocking position that authorizes.

The sectional shape of the special-shaped marble 230 may be rectangular, two opposite sides are respectively provided with an arc-shaped positioning convex portion 243, and the shape of the positioning groove 233 is an arc-shaped groove, so that the arc-shaped positioning convex portion cooperates with the positioning groove 233 of the arc-shaped groove to prevent the special-shaped marble 233 from radially expanding in the inner diameter of the third movable channel 231, on one hand, the assembly difficulty of the lock cylinder 200 can be reduced, on the other hand, the axial movement of the special-shaped marble 233 is smoother, and the unlocking reliability is ensured

Referring to fig. 3 to 9 together, in some embodiments of the present utility model, an abutment protrusion 234 is disposed on a side of the lock cylinder 230 facing the avoidance hole 212, and the abutment protrusion 234 is used to abut against the authorization lever 120 of the computer key 100 when the shaped marble 240 is located at the three-stage authorization unlocking position. So set up, when the automatically controlled piece 130 of computer key 100 locks the authorization lever 120 that is located the one-level and authorizes the unblock position, the terminal of authorization lever 120 and butt protruding 234 butt to make unblock head 140 and lock core 200 part grafting, when the automatically controlled piece 130 of computer key 100 unlocks authorization lever 120 the terminal of authorization lever 120 and butt protruding 234 butt switch over from one-level to two-level and authorize the unblock position, thereby butt protruding 234 stretches into in the unblock head 140, and then makes unblock head 140 and lock core 200 pegging graft completely.

Referring to fig. 3 to 9, in some embodiments of the present utility model, the lock cylinder 200 further includes an elastic restoring member 250, where the elastic restoring member 250 is mounted on the lock cylinder 230, and the elastic restoring member 250 acts on the shaped pins 240, so that the shaped pins 240 are subjected to a restoring force from the fourth-stage authorized unlocking position to the third-stage authorized unlocking position. By this arrangement, the elastic force is applied to the special-shaped marble 240 by the elastic reset piece 250, so that the special-shaped marble 240 is stably matched with the locking groove 214 in a plugging manner, and the lock cylinder 230 is stably positioned at the three-stage authorized unlocking position when the lock cylinder 200 is not unlocked by the computer key 100.

The elastic restoring member 250 may be formed of two opposing magnets, and the elastic restoring member 250 may be an extension spring, and the elastic restoring member 250 may be a compression spring, which is not particularly limited herein.

Referring to fig. 3 to 9 together, in some embodiments of the present utility model, the authorization member 220 includes a housing 221 and an authorization chip 222, the housing 221 is in snap connection with a side of the lock housing 210 where the avoidance hole 212 is provided, the housing 221 is provided with a relief through hole 221a along an axial direction of the lock housing 210, a third mounting groove 221b is provided at a position of the housing 221 adjacent to the avoidance hole 212, and the authorization chip 222 is mounted in the third mounting groove 221 b. By means of the arrangement, the casing 221 can protect the authorization code piece 222, the casing 221 and the lock casing 210 are connected through the buckle so as to be convenient for maintaining the authorization code piece 222, and the unlocking head 140 of the computer key 100 can pass through the yielding through hole 221a and the avoiding hole 212 to be matched with the lock liner 230.

The electronic control unit 130 reads the code value of the authorization code piece 222, and after the electronic control unit 130 confirms that the code value is correct, the electronic control unit 130 is controlled to operate, so that the electronic control unit 130 unlocks the authorization lever 120 at the primary authorization unlocking position, and when the computer key 100 is inserted into the lock cylinder 200, the authorization lever 120 is switched from the primary authorization unlocking position to the secondary authorization unlocking position under the action of external force, then the unlocking head 140 of the computer key 100 is completely inserted and matched with the lock cylinder 200, and finally the lock cylinder 200 is opened.

Referring to fig. 10 to 11, the present utility model further provides a lock 1000, where the lock 1000 includes a computer key 100 and a lock cylinder 200, and specific structures of the computer key 100 and the lock cylinder 200 refer to the above embodiments, and since the lock 1000 adopts all the technical solutions of all the embodiments, at least has all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (14)

1. The computer key is characterized by comprising a shell, an authorization rod, an electric control and a lock release head, wherein the electric control is used for locking and limiting the telescopic movement of the authorization rod;

the authorization rod is movably arranged on the shell, the part of the authorization rod extends out of the shell, and the authorization rod moves in a telescopic manner relative to the shell and has a primary authorization unlocking position and a secondary authorization unlocking position;

the electric control part is arranged on the shell, the electric control part can be activated by an authorization part on the lock cylinder, and the electric control part locks and limits or releases the limit of the authorization rod positioned at the primary authorization unlocking position;

the unlocking head is arranged on the shell, the unlocking head and the authorization rod are nested, and the unlocking head and the authorization rod extend out from the same side of the shell;

the unlocking head is inserted with the lock cylinder part when the authorization rod is located at the primary authorization unlocking position, and is completely inserted with the lock cylinder when the authorization rod is located at the secondary authorization unlocking position.

2. The computer key according to claim 1, wherein the end surface of the housing is provided with a first movable channel, the head end of the authorization lever extends out of the first movable channel, and the tail end of the authorization lever extends into the first movable channel and is in clearance fit with the first movable channel;

the unlocking head is provided with a second movable channel with two ends penetrating through the unlocking head, one end of the unlocking head is fixedly connected with the shell, the other end of the unlocking head is used for being in plug-in connection with a lock liner on the lock core, and the head end of the authorization rod extends into the second movable channel.

3. The computer key of claim 2, further comprising a return spring mounted in the first movable channel, the return spring acting on an end of the authorization lever to cause the authorization lever to be subjected to a return force moving from the secondary authorized unlocked position to the primary authorized unlocked position.

4. The computer key according to claim 2, wherein the inner wall portion of the first movable channel is disposed through the housing in a radial direction to form a mounting channel in communication with the first movable channel, the electric control unit includes a power supply coil, an unlocking module, and a communication module, the unlocking module is disposed in the mounting channel, the unlocking module locks or unlocks an authorization lever located at the primary authorized unlocking position, the power supply coil is disposed at a position of the housing adjacent to the unlocking head, the power supply coil is used for supplying power to an authorization unit on the lock cylinder, and the communication module is disposed at the housing and is used for receiving signals of the authorization unit on the lock cylinder.

5. The computer key according to claim 4, wherein a limiting groove is formed in the peripheral wall of the authorization lever in the first movable channel, and the limiting groove extends along the circumferential direction of the authorization lever; the unlocking module comprises a driving piece and a locking pin, wherein the driving piece is in transmission connection with the locking pin, and the driving piece drives the locking pin to extend into the limiting groove or withdraw from the limiting groove.

6. The computer key according to claim 4, wherein a first mounting groove surrounding the first movable passage is provided in the housing adjacent to an end surface of the unlocking head, and the power supply coil is provided in a ring shape and is mounted in the first mounting groove;

the computer key further comprises a cover body which is in an annular arrangement, the cover body is sleeved on the outer side of the unlocking head, and the cover body is connected with the shell and seals the notch of the first mounting groove.

7. A lock cylinder unlocked by the computer key according to any one of claims 1 to 6, characterized in that the lock cylinder comprises a lock case, an authorizing member, a lock cylinder and a shaped pin; wherein,

the lock comprises a lock shell, and is characterized in that one end of the lock shell is provided with a second mounting groove, the bottom of the second mounting groove is provided with a avoidance hole in a penetrating manner, an authorization rod and an unlocking head of a power supply key extend in the avoidance hole, the inner wall surface of the second mounting groove is provided with a limit convex part extending along the circumferential direction of the second mounting groove, and one side, adjacent to a notch of the second mounting groove, of the limit convex part is provided with a lock groove;

the authorization piece is arranged on the lock shell and is used for sending signals to the communication module;

the special-shaped marble is movably arranged in the lock liner, moves in a direction approaching or separating from the avoidance hole, and has a three-level authorized unlocking position and a four-level authorized unlocking position;

the special-shaped marble is matched with the locking groove when the special-shaped marble is positioned at the three-level authorized unlocking position, so that the lock liner is restricted by the lock shell to rotate relative to the lock shell; the special-shaped marble exits the locking groove when the special-shaped marble is positioned at the four-stage authorized unlocking position, so that the lock liner can rotate relative to the lock shell.

8. The lock cylinder of claim 7, wherein a third movable channel is arranged at the end of the lock cylinder adjacent to the avoidance hole, and a mounting opening communicated with the third movable channel is further arranged on the side wall of the lock cylinder and extends along the axial direction of the lock cylinder;

the special-shaped marble comprises a mounting part and a locking part, wherein the mounting part is movably connected with the third movable channel, one end of the locking part is connected with the mounting part, and the other end of the locking part extends out of the mounting opening to be inserted into the locking groove or withdrawn from the locking groove.

9. The lock cylinder according to claim 8, wherein the inner wall surface of the second mounting groove is provided with a guide protrusion, the guide protrusion and the limit protrusion are arranged at intervals in the axial direction of the lock shell, the guide protrusion is positioned at one side of the limit protrusion close to the notch of the second mounting groove, the guide protrusion is provided with a dodging groove, the dodging groove is aligned with the lock groove, and an annular groove is formed between the guide protrusion and the limit protrusion;

an unlocking groove is formed in one side, close to the inner wall surface of the second mounting groove, of the locking part, and the unlocking groove penetrates through the second mounting groove along the circumferential direction;

the locking part is matched with the locking groove and the avoiding groove when the special-shaped marble is positioned at the three-level authorized unlocking position; the special-shaped marble is positioned at the four-stage authorized unlocking position, the locking part is withdrawn from the locking groove and the avoiding groove, and the unlocking groove is matched with the guide convex part.

10. The lock cylinder according to claim 8, wherein an inner wall surface of the third movable passage is provided with a positioning groove extending in an extending direction of the third movable passage, and a surface of the mounting portion is provided with a positioning protrusion engaged with the positioning groove, the positioning protrusion being slidable relative to the positioning groove in an axial direction of the lock case.

11. The lock cylinder of claim 7, wherein an abutment protrusion is provided on a side of the lock cylinder facing the avoidance hole, and the abutment protrusion is configured to abut against an authorization lever of the computer key when the shaped marble is located at the three-stage authorization unlocking position.

12. The lock cylinder of claim 7, further comprising an elastic return member mounted to the cylinder, the elastic return member acting on the shaped pins to cause the shaped pins to undergo a return force from the four-stage authorized unlocked position to the three-stage authorized unlocked position.

13. The lock cylinder of claim 7, wherein the authorization member comprises a housing and an authorization chip, the housing is in snap connection with one side of the lock housing where the avoidance hole is formed, a relief through hole is formed in the housing in a penetrating manner along the axial direction of the lock housing, a third mounting groove is formed in a position, adjacent to the avoidance hole, of the housing, and the authorization chip is mounted in the third mounting groove.

14. A lock, comprising a computer key according to any one of claims 1 to 6 and a lock cylinder according to any one of claims 7 to 13.