TWI669437B - Knob type cabinet lock lock structure - Google Patents

Abstract

The utility model relates to a knob type cabinet lock structure, which comprises: a fixing member for fixing to a cabinet door panel, wherein the fixing member has a first positioning groove and a second positioning groove recessed therein, and a circumference of the fixing member is opposite to the first A first notch and a second notch are formed in the positioning slot and the second positioning slot. A lock core is disposed on the fixing member, and a resilient arm is formed on one side of the locking core, and a protruding end is protruded from the end of the elastic arm. a ball portion, wherein the elastic arm allows the elastic portion of the ball portion to be inserted into the first positioning groove and the second positioning groove, a cover body covers the fixing member and locks the disk body, and the cover body cooperates with the ball body The disk body is assembled with a combination lock and a lock fastener, and the lock body is provided with a lock tongue for selecting the first notch or the second notch of the fixing member, thereby being cleared in the first time when the disk can be opened. Correct password, 俾 to improve its anti-theft effect.

Description

Knob type cabinet lock lock structure

The invention relates to a cabinet anti-theft lock, in particular to a knob type cabinet lock structure capable of accurately positioning a locked and an un-locked position.

According to a conventional cabinet lock structure, as shown in FIG. 10, the utility model comprises: a fixing base 50, a lock core 60, a combination lock 70 and a locking plate 80. The lock is disposed on the cabinet body, and a recess 51 is defined in the periphery of the fixing base 50. The lock core 60 passes through the fixing base 50, and a bracket 61 is formed at one end of the notch 51 of the fixing base 50, and the lock is formed. The core 60 is locked with a baffle 62 at the other end. The code lock 70 is provided with a plurality of code wheels 72 and a limit wheel 73. The lock 70 is pivotally mounted on the frame by the rod 71. 61. The locking plate 80 is formed with a plurality of claws 81 at one end, and a locking tongue 82 is extended at the other end. The locking plate 80 is sandwiched between the combination lock 70 and the bracket 61, and is pushed by the push button 80. The claw 81 is in contact with the limiting wheel 73 to lock the code in the locked state. The limiting wheel 73 can push the claw 81 to insert the locking tongue 82 into the notch 51 of the fixing seat 50. It has the function of locking the anti-theft, but it is not difficult to find out that there are some shortcomings in the above-mentioned conventional structure. The main reasons are as follows: the locking position of the password lock and the unlocking The position cannot be accurately positioned, causing the locking tongue 82 to interfere with the fixing seat 50, so that there is a disadvantage that the operation is not smooth. Further, when the locking tongue 82 is unlocked, the notch 51 is disengaged, and the locking tongue is rotated. When the position of the notch 51 is not provided, the blocking of the locking tongue 82 by the fixing seat 50 will make the password wheel 72 unable to be dialed again, and thus the password lock 70 will display the correct password for unlocking, so that Other people in the field will have the opportunity to know the correct password for the password lock, so There is a case where the anti-theft effect is insufficient. Finally, the combination lock has obvious obvious disadvantages in assembly, mainly because the gap 51, the lock tongue 82 and the cabinet have only one assembly method, and if it is not assembled according to the specific position, Unable to use, the above shortcomings are the technical problems that the author wants to improve.

In view of this, the inventors have been engaged in the manufacturing development and design experience of related products for many years, and after detailed design and careful evaluation of the above objectives, the present invention has finally become practical.

The technical problem to be solved by the present invention is to provide a knob type cabinet lock structure for the above-mentioned shortcomings existing in the prior art.

A fixing member has a receiving space formed by a bottom plate and a ring around the periphery of the bottom plate, and a tube body extending through the receiving space is defined in the center of the bottom plate, and the bottom plate is recessed in the receiving space. a first positioning slot and a second positioning slot, and a first notch and a second notch are formed on the first positioning slot and the second positioning slot, and a disk body is formed at one end of the core The other end of the lock cylinder is formed with a rod body, and the lock core is disposed with the rod body and a baffle plate is fixed at the penetrating portion, and the disc body is formed with a spring piece seat horizontally disposed at the center, and the elastic piece is formed on the elastic piece The seat is provided with a spring piece, and the disk body is formed with a resilient arm on one side of the elastic piece seat, and a ball portion is protruded from the end of the elastic arm, and the elastic arm allows the elastic part of the ball part to be placed in the first part. a positioning groove and the second positioning groove, and the disk body is formed with a bolt seat on the other side of the elastic piece seat, a cover body covers the ring of the fixing member and locks the disk body, and the cover body Two brackets are arranged on the convex portion, and a plurality of jaws are opened between the two brackets And the cover body is provided with a code lock by the bracket, and the code lock is connected with a plurality of runners and a plurality of limit wheels in a lock bar, and the runner is protruded from the hollow port and the ring Pressing the shrapnel to form a rotational positioning, a locking firmware a latching seat is disposed on the lock cylinder, and the lock body is formed with a plurality of push rods toward the combination lock, and the lock body protrudes toward the ring direction to provide a lock tongue, and the lock tongue has a elasticity inside. And the elastic rod is used to make the push rod abut against the limiting wheel, and the limiting wheel can push the locking tongue to select the first notch or the second notch of the fixing member.

The first notch and the second notch of the fixing member form an angle of 90 degrees to the center of the bottom plate. When the ball portion of the elastic arm is inserted into the first positioning groove, the locking tongue is aligned with the first notch. And the baffle is formed in a locked state of the cabinet, and when the ball portion of the elastic arm is inserted into the second positioning groove, the locking tongue is aligned with the second notch, and the baffle is formed into a cabinet. Locked state.

The bottom plate is recessed with a third positioning slot and a fourth positioning slot in the receiving space, and the third ring and the fourth positioning slot are formed with a third notch and a fourth position relative to the third positioning slot and the fourth positioning slot. The first notch, the second notch, the third notch and the fourth notch of the fixing member are all at an angle of 90 degrees apart from the center of the bottom plate, so that the locked position and the unsecured position of the cabinet can be selected. Two of the adjacent gaps are adjacent to the positioning slot.

The limiting wheel is formed with a flat portion, and the locking rod controls the flat portion to contact the push rod to form an unsecured state in which the locking bolt does not pass through the first notch or the second notch.

Wherein, the cover body has a through hole, and the through hole provides one end of the lock bar, and the other end of the lock bar is sleeved with a spring, and the lock bar is pressed to form a squeeze of the spring, so that the wheel and the wheel The limit wheel can be separated and different unlock codes can be set.

Wherein, the locking member is recessed with a slot in the locking tongue, and a stopper is protruded from the inside of the locking body, and the stopper is inserted through the slot to block the end of the elastic member. .

A first main object of the present invention is that the ball portion of the lock cylinder is placed in the first positioning groove in a locked state, and the ball portion is placed in the second positioning groove in an unlatched state, so that The locking tongue can precisely face the first notch and the second notch, thereby preventing misalignment and forming interference, so as to improve the smoothness of operation.

A second main object of the present invention is that the elastic arm can elastically form the ball portion from the first positioning groove and slide into the second positioning of the fixing member when the cover body is rotated to the unlocked position. The slot, thereby positioning the relative position of the fixing member and the lock cylinder, so that the locking tongue can accurately face the second notch, and the user can rotate the lock wheel when the cabinet door can be opened The limiting wheel pushes the locking tongue into the second gap, that is, the correct password can be cleared in the first time of opening, thereby effectively preventing the password from being known by others present, so as to improve the anti-theft effect.

A third main object of the present invention is that the bottom plate of the fixing member is recessed with a third positioning slot and a fourth positioning slot in the receiving space, and the ring is opposite to the third positioning slot and the fourth positioning slot. The position is formed with a third notch and a fourth notch, so that the fixing member does not need to intentionally align the first notch and the second notch with the locking position and the unlocked position when the fixing member is locked to the cabinet door panel, and the lock When the core is mounted on the fixing member and the fixing plate is fixed, the first notch and the second notch are not intentionally aligned, thereby improving the assembly convenience and being more suitable for the drawer (upward locking) and The different locking angles of the cabinet door (locked to the left and right) can effectively improve its applicability.

Other objects, advantages and novel features of the invention will be apparent from the description and appended claims.

[this creation]

A‧‧‧Cabinet door panel

B‧‧‧Cabinet

10‧‧‧Fixed parts

11‧‧‧floor

111‧‧‧First positioning slot

112‧‧‧Second positioning slot

113‧‧‧third positioning slot

114‧‧‧4th positioning slot

12‧‧‧ ring

121‧‧‧ first gap

122‧‧‧ second gap

123‧‧‧ third gap

124‧‧‧ fourth gap

13‧‧‧ accommodating space

14‧‧‧ body

20‧‧‧ lock cylinder

21‧‧‧ dish

211‧‧‧Sheet seat

212‧‧‧Lock tongue

22‧‧‧ rod body

23‧‧‧Baffle

24‧‧‧Shrap

25‧‧‧Flexible arm

251‧‧•Ball Department

30‧‧‧ cover

31‧‧‧ bracket

32‧‧‧镂口口

33‧‧‧ password lock

331‧‧‧Lock lever

332‧‧‧runner

333‧‧‧Limited wheel

333a‧‧‧Flat Department

334‧‧‧ Spring

34‧‧‧blocks

35‧‧‧Perforation

40‧‧‧Locker

41‧‧‧Put

42‧‧‧Lock tongue

421‧‧‧ slotting

43‧‧‧Flexible parts

[study]

50‧‧‧ fixed seat

51‧‧‧ gap

60‧‧‧ lock cylinder

61‧‧‧ bracket

62‧‧‧Baffle

70‧‧‧ password lock

71‧‧‧ rod body

72‧‧‧Code Wheel

73‧‧‧Limited wheel

80‧‧‧Locking plate

81‧‧‧Claws

82‧‧‧Lock tongue

Figure 1 is a perspective view of the present invention.

Figure 2 is a perspective exploded view of the present invention.

Figure 3 is a schematic view of the assembly of the present invention in a cabinet.

Figure 4 is a front cross-sectional view of the present invention in a locked state.

Figure 5 is a side cross-sectional view of the present invention in a locked state.

Figure 6 is a side cross-sectional view of the present invention in an unlatched state.

Figure 7 is a front cross-sectional view of the present invention in an unlatched state.

Figure 8 is a schematic view of the present invention in a rotating baffle.

Figure 9 is a schematic diagram of the present invention for assigning passwords.

Figure 10 is a perspective view of a conventional one.

In order to enable your review committee to have a better understanding and understanding of the purpose, features and effects of the present invention, please refer to the following [simplified description of the drawings] as follows: First, please continue from Figure 1 to Figure 4 The utility model relates to a knob type cabinet lock structure, which comprises: a fixing member 10, a lock core 20, a cover body 30 and a lock 40. A fixing member 10 is disposed on the bottom plate 11 with a bottom plate 11 and a bottom plate 11 A ring 12 of the periphery is formed with an accommodating space 13 , a tube body 14 extending through the accommodating space 13 is defined in the center of the bottom plate 11 , and the fixing member 10 is fixed to the cabinet door panel A by the tube body 14 , and the bottom plate 11 is further A first positioning slot 111 and a second positioning slot 112 are recessed in the accommodating space 13 , and a first notch 121 is defined between the first positioning slot 111 and the second positioning slot 112 . a second notch 122, and the first notch 121 and the second notch 122 of the fixing member 10 form an angle of 90 degrees to the center of the bottom plate 11. One end of a lock cylinder 20 is formed with a disk body 21, and the other end of the lock core 20 Forming a pole The body 22, and the lock cylinder 20 is disposed with the pipe body 22 and a baffle 23 is fixed at the piercing portion, and the baffle 23 is used for blocking the cabinet B to form an anti-opening effect of the cabinet door panel A. The disk body 21 is formed with a spring piece 211 disposed at the center, and a spring piece 24 is disposed on the body piece 211. The disk body 21 defines a resilient arm 25 on one side of the body piece 211. A ball portion 251 is protruded from the end of the elastic arm 25, and the elastic arm 25 elastically selects the ball portion 251 to be inserted into the first positioning slot 111 and the second positioning slot 112, and the disc body 21 is in the elastic piece seat. The other side of the 211 is formed with a latching bracket 212, wherein a cover 30 covers the ring 12 of the fixing member 10 and locks the disc body 21, and the bracket 30 is internally provided with two brackets 31, and A plurality of hollow ports 32 are defined between the two brackets 31. The cover body 30 is provided with a combination lock 33. The combination lock 33 is connected with a plurality of runners 332 and a plurality of lock bars 331. a limiting wheel 333, and the rotating wheel 332 protrudes from the hollow port 32 and presses the elastic piece 24 to form a rotational positioning, and a locking component 40 is disposed on the locking tongue of the lock cylinder 20 The latching member 40 is formed with a plurality of push rods 41 toward the code lock 33, and a locking tongue 42 is protruded from the locking member 40 toward the ring 12, and an elastic member is disposed inside the locking tongue 42. The push rod 41 is in contact with the limiting wheel 333 through the elastic member 43 , and the limiting wheel 333 can push the locking tongue 42 to select the first notch 121 or the second notch 122 of the fixing member 10 . The limiting wheel 333 is formed with a flat portion 333a, and the locking rod 331 controls the flat portion 333a to contact the push rod 41 to form the locking tongue 42 without the first notch 121 or the second notch 122. The locking state, according to which the ball portion 251 of the elastic arm 25 is inserted into the first positioning slot 111, the locking tongue 42 is aligned with the first notch 121, and the baffle 23 is formed into the cabinet B. In the locked state, when the ball portion 251 of the elastic arm 25 is inserted into the second positioning slot 112, the locking tongue 42 is aligned with the second notch 122, and the baffle 23 is formed to be unlatched by the cabinet B. In the state, the locking member 40 is recessed with a slot 421 at the locking tongue 42 , and the inside of the cover 30 is locked. A stopper 34 is disposed at a position of the member 40. The stopper 34 is disposed in the slot 421 to block one end of the elastic member 43. The cover 30 defines a through hole 35, and the through hole 35 provides the lock lever 331. One end of the lock bar 331 is sleeved with a spring 334, and the lock bar 331 is pressed to form a squeeze of the spring 334, so that the wheel 332 and the limit wheel 333 are separated to set different unlock codes. .

As shown in the second, third, and fourth embodiments, the bottom plate 11 of the fixing member 10 is recessed in the accommodating space 13 with a third positioning slot 113 and a fourth positioning slot 114, and the ring 12 is opposite to the ring The third positioning slot 113 and the fourth positioning slot 114 are formed with a third notch 123 and a fourth notch 124. The first notch 121, the second notch 122, the third notch 123 and the fourth notch 124 of the fixing member 10 are formed. The center of the bottom plate 11 is spaced apart from each other by an angle of 90 degrees, so that the locked state and the unsecured state of the cabinet B can select two adjacent ones of the notches (121, 122, 123, 124) and The positioning slot (111, 112, 113, 114), that is, the fixing member 10, when locked to the cabinet door panel A, does not need to intentionally align the first notch 121 and the second notch 122 with the locking position and the unlocking position. When the lock cylinder 20 is mounted on the fixing member 10 and the baffle plate 23 is fixed, the first notch 121 and the second notch 122 are not intentionally aligned, thereby improving the assembly convenience. It can better match the locking angle of the drawer (locking upwards) and the door (locking to the left and right) to effectively improve its applicability.

The combination of the structure, and then viewed from the first figure to the fifth figure, the elastic piece 24 is mounted on the elastic piece seat 211 of the lock cylinder 20, and the spring 334 and the wheel are connected in series by the lock bar 331. 332 and the limit wheel 333, the set of the combination lock 33 is mounted on the disc body 21 and presses the elastic piece 24, and the lock 40 is mounted on the bolt seat 212 of the disc body 21, and The push rod 41 is in contact with the limit wheel 333 of the combination lock 33, and the lock tongue 42 of the lock 40 is additionally provided with the elasticity. And the cover body 30 covers the disk body 21 of the lock core 20, and the code lock 33 is clamped and fixed by the bracket 31 of the cover body 30, and the wheel 332 is partially exposed to the cover body 30. The hollow port 32 is configured to receive the elastic piece 24, the combination lock 33, the locking member 40 and the elastic member 43 between the lock cylinder 20 and the cover body 30, and fix the lock core 20 and the cover in a screw-lock manner. The body 30, the rod body 22 of the lock cylinder 20 is inserted into the tubular body 14 of the fixing member 20, and the disk body 21 of the lock cylinder 20 is received in the accommodating space 13 of the fixing member 10, and the cover body 30 is provided. The ball portion 251 of the lock cylinder 20 can be received in the first positioning slot 111 of the fixing member 10, and the locking tongue 42 of the locking member 40 is correspondingly protruded from the outer circumference of the ring 12 The first notch 121 finally locks the baffle 23 to one end of the rod body 22 passing through the tube body 14, thereby achieving the practical effect of easy assembly.

The effect of the actual use, and then viewed from the second figure to the ninth figure, the creation of the tube body 14 of the fixing member 10 is locked to the cabinet door panel A, so that the flapper 23 can swing to form the The relative locking between the cabinet B and the cabinet door panel A, when the runner 332 of the combination lock 33 is rotated to the correct password, the user can press the lock lever 331 to separate the runner 332 from the limit wheel 33, and Rotating the wheel 332 to replace the password, and after the lock lever 331 is released, the combination of the runner 332 and the limit wheel 33 is formed by the pushback of the spring 334, and when the cabinet door panel A is locked, The ball portion 251 of the lock cylinder 20 is positioned in the first positioning slot 111 of the bottom plate 11 of the fixing member 10, and the locking tongue 42 of the locking member 40 can be aligned with the first notch 121 of the ring 12, and the rotation is matched. The wheel 332 is rotated to the incorrect password position, so that the limiting wheel 333 can push the locking tongue 42 of the locking member 40 to protrude from the first notch 121, thereby forming a locking state, and the fixing member 10 is locked in the locked state. The lock 40 can be blocked from rotating the cover 30, and the lock cylinder 20 cannot interlock the shutter 23 to the unlocked position. B to have anti-theft function of cupboard, the other to open when the cabinet door A, the lock switch 33 to the correct password, so that the flat portion 333a of the stopper wheel 333 While the fastener 40 is being pressed, the elastic member 43 will push the lock 40 to press the push rod 41 against the flat portion 333a, thereby withdrawing the lock tongue 42 from the first notch 121, thereby forming In the unlocked state, the user can rotate the cover 30 to interlock the baffle 23, so that the baffle 23 is not blocked by the cabinet B, and the cabinet door panel A can be directly opened. Further, the cover 30 interlocks the lock cylinder 20 The elastic arm 25 can elastically form the ball portion 251 from the first positioning slot 111 and slide into the second positioning slot 112 of the fixing member 10, thereby positioning the fixing member 10 and the same. The relative position of the lock cylinder 20 enables the bolt 42 to accurately face the second gap 122. In the case that the cabinet door panel A can be opened, the user can rotate the wheel 332 of the combination lock 33 to make the limit The position wheel 333 pushes the locking tongue 42 into the second notch 122, that is, the correct password can be cleared in the first time of opening, thereby effectively preventing the password from being known by others present, thereby improving the anti-theft effect. The ball portion 251 of the lock cylinder 20 is placed in the first positioning slot 111 in the locked state, and the ball portion 251 is not The second positioning groove 112 is inserted in the locking state, so that the locking tongue 42 can accurately face the first notch 121 and the second notch 122, thereby preventing misalignment and forming interference. Improve the smoothness of its operation.

In summary, the present invention has indeed achieved a breakthrough structural design, and has improved invention content, and at the same time, can achieve industrial utilization and progress, and the present invention is not found in any publication, but also novel, when In accordance with the provisions of the relevant laws and regulations of the Patent Law, the application for invention patents is filed according to law, and the examination authority of the bureau is required to grant legal patent rights.

The above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto; that is, the equivalent variations and modifications made by the scope of the present invention should still belong to the present invention. Within the scope of the patent.

Claims (5)

The utility model relates to a knob type cabinet lock structure, which comprises: a fixing member, the fixing member is formed with a receiving space by a bottom plate and a ring surrounding the periphery of the bottom plate, and a central portion of the bottom plate extends to communicate with the receiving space. a first locating slot and a second locating slot are defined in the accommodating space, and the first locating slot and the second locating slot are formed with a first gap and the second locating slot. a second notch; a lock core, a core body is formed at one end of the lock cylinder, and the other end of the lock core is formed with a rod body, and the lock core is disposed through the rod body and fixed at a position through the rod body. The plate body is formed with a spring piece horizontally disposed at the center, and a spring piece is disposed on the elastic piece seat, and the disk body is formed with a resilient arm on one side of the elastic piece seat, and a convex arm is protruded from the end of the elastic arm a ball portion, wherein the elastic arm allows the ball portion to be elastically selected to be inserted into the first positioning groove and the second positioning groove, and the disk body is formed with a bolt seat on the other side of the elastic piece seat; Body, the cover covers the ring of the fixing member and locks the ring And a plurality of brackets are protruded from the inside of the cover body, and a plurality of hollow ports are opened between the two brackets, and the cover body is provided with a code lock by the bracket, and the code lock is connected by a lock bar a plurality of rotating wheels and a plurality of limiting wheels, wherein the rotating wheel protrudes from the hollowing port and presses the elastic piece to form a rotational positioning; and a locking device is disposed on the lock tongue of the lock core And the locking member is formed with a plurality of push rods toward the lock, and the lock protrudes toward the ring in a direction of the ring, and the inner portion of the lock receives an elastic member, and the elastic member is used to push the push The rod is in contact with the limiting wheel, and the limiting wheel can push the locking tongue to select the first notch or the second notch of the fixing member, and the first notch and the second notch of the fixing member are formed to the center of the bottom plate When the ball portion of the elastic arm is inserted into the first positioning groove, the locking tongue is aligned with the first notch, and the baffle is arranged The locking state of the cabinet is formed, and when the ball portion of the elastic arm is inserted into the second positioning groove, the locking tongue is aligned to insert the second notch, and the baffle is formed into an unlocked state of the cabinet. The knob type cabinet lock structure according to the first aspect of the invention, wherein the bottom plate is recessed with a third positioning slot and a fourth positioning slot in the receiving space, and the ring is opposite to the third positioning. The slot and the fourth positioning slot are formed with a third notch and a fourth notch. The first notch, the second notch, the third notch and the fourth notch of the fixing member are all at an angle of 90 degrees apart from the center of the bottom plate. The position of the locked state of the cabinet and the position of the unlatched state can be selected by the two adjacent ones of the notches and the positioning groove. The knob type cabinet lock structure according to claim 1 or 2, wherein the limit wheel is formed with a flat portion, and the lock rod controls the flat portion to form the lock tongue when the push rod is in contact with the push rod The unsecured state of the first notch or the second notch is worn. The knob type cabinet lock structure according to claim 1, wherein the cover body has a through hole, and the through hole provides one end of the lock rod, and the other end of the lock rod is sleeved with a spring. The lock bar forms a squeeze of the spring, and the runner and the limit wheel are separated to set different unlock codes. The knob type cabinet lock structure according to the first aspect of the invention, wherein the lock body is recessed with a slot in the lock tongue, and a stopper is protruded from the inside of the cover body, and The stopper is disposed in the slot to block at one end of the elastic member.