CN204738627U - High security double hook lock - Google Patents

Abstract

The utility model discloses a high-safety double-hook lock, which comprises a shell, a first lock hook and a second lock hook, wherein a first chute and a second chute are arranged on one side surface of the shell, a first rotating block, a second rotating block and a first spring part are arranged in the shell, the second spring part, first connecting block, the second connecting block, first connecting rod, second connecting rod and connecting rod, connecting rod one end is connected with first turning block and shell through first movable pin, the connecting rod other end passes through the second movable pin and is connected with second turning block and shell, first connecting rod one end is passed through the third movable pin and is connected with first turning block, the other end passes through the fourth movable pin and is connected with first latch hook, second connecting rod one end is passed through the fifth movable pin and is connected with the second turning block, the other end passes through the sixth movable pin and is connected with the second latch hook, first latch hook passes through the seventh movable pin and is connected with first connecting block, the second latch hook passes through the eighth movable pin and is connected with the second connecting block. The utility model discloses convenient to use, with low costs, security height.

Description

High security double hook lock

technical field

The utility model relates to the technical field of locks, in particular to a high-safety double-hook lock.

Background technique

The high-security double-hook lock uses the hook part of the lock to lock with other parts of the lock body to achieve the locking function. It is usually used on car door locks or anti-theft door locks. The existing high-security double-hook locks The interlocking structure usually has only one unlocking control position. Once it is worn or broken, the whole lock will be scrapped, which increases the user's use cost; in addition, the existing high-security double-hook lock is used on the car door. The structure of the position makes it easy to open the door during driving due to misoperation, threatening personal safety; finally, due to different car models, the position of the hook on the high-security double-hook lock also changes accordingly. The permanent double hook lock is not universal, which makes it inconvenient to use.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art and provide a high-safety double-hook lock, which has two unlocking control positions, which is convenient to use and low in cost; it has a limit structure to prevent misoperation and ensure safety Sex; the position of the hook can be adjusted, easy to use.

In order to realize the purpose of the utility model, the utility model adopts the following technical solutions:

A high-security double-hook lock, which includes a housing, a first lock hook and a second lock hook, a first chute and a second chute are respectively provided on one side of the housing, and a first rotating block, a second rotating block, a first spring member, a second spring member, a first connecting block, a second connecting block, a first connecting rod, a second connecting rod and a connecting rod, the first rotating block and the first rotating block The two rotating blocks are respectively provided with keyholes, one end of the connecting rod is connected with the first rotating block and the shell through the first movable pin, and the other end of the connecting rod is connected with the second rotating block and the second rotating block through the second movable pin. One end of the first connecting rod is connected with the first rotating block through the third movable pin, the other end is connected with the first lock hook through the fourth movable pin, and one end of the second connecting rod is connected through the fifth movable pin. The movable pin is connected with the second rotating block, and the other end is connected with the second locking hook through the sixth movable pin, the first locking hook is connected with the first connecting block through the seventh movable pin, and the first locking hook is connected with the first connecting block through the seventh movable pin. The first hook part of a locking hook protrudes from the first chute, the second locking hook is connected with the second connecting block through the eighth movable pin, and the second hook part of the second locking hook extends Out of the second chute, both the first hook and the second hook are towards the center of the housing, one end of the first spring is connected to the first rotating block, and the other end is connected to the One end of the second spring member is connected to the second rotating block, and the other end is connected to the housing, and both the first connecting block and the second connecting block are connected to the housing.

In one of the embodiments, the high-security double hook lock further includes a button and a button spring, a button hole is arranged on the side of the housing on which the first chute is arranged, and the button spring is arranged on the button In the hole, a part of the button is set in the button hole, and the other part protrudes from the shell. The end face of the button in the button hole is connected to one end of the button spring, and the button spring is connected to one end of the button spring. The other end is connected to the housing, and a boss is provided on the side of the button opposite to the first connecting rod, and a slot that fits with the boss is provided on the first connecting rod.

In one of the embodiments, the button spring and part of the button are arranged in a fixed sleeve, and the fixed sleeve is arranged in the housing.

In one of the embodiments, the high-security double-hook lock further includes a first block, a first connecting piece, a second block, and a second connecting piece, and the first connecting block is provided with a first locking position. slot, the first clamping block is vertically arranged in the first clamping slot, the first connecting piece passes through the side of the shell on which the first slide groove is arranged and is connected with the first clamping block, the The end surface of the first connecting piece is stuck on the side of the shell on which the first slide groove is set; the second connecting block is provided with a second locking slot, and the second locking block is vertically arranged at the second locking position In the groove, the second connecting piece passes through the side of the shell on which the second chute is set and is connected to the second block, and the end face of the second connecting piece is stuck on the side of the shell on which the first chute is set. On one side, a first adjusting block is provided between the end surface of the first connecting piece and the first clamping block, and a second adjusting block is provided between the end surface of the second connecting piece and the second clamping block .

In one embodiment, the first connecting piece and the second connecting piece are screws, and the adjustment block, the first locking block, the second locking block and the end surfaces of the screws are nuts.

A return spring member is provided between the first connecting rod and the side of the housing on which the first sliding slot is provided.

Compared with the beneficial effect of the prior art, the high-safety double-hook lock described in the utility model is:

1) The high-security double-hook lock adopts the structure of two hooks. The interlocking structure inside the shell drives the two hooks to approach each other, and the hooks are locked with the parts of the car to realize the locking function. Both the rotating block and the second rotating block are provided with keyholes, and any keyhole can be unlocked, and one of them will not affect the use of the lock if it is worn or broken, which reduces the cost of use; the internal linkage structure is fixed on the On the shell, the structure is stable and the safety is high.

2) There is a button on the casing, through which the connecting rod can be blocked and the high-security double hooks can be locked. At this time, the lock cannot be opened even with a key, so as to prevent misoperation during use and ensure the safety of use .

3) The connecting blocks on both sides are provided with locking slots, and locking blocks are set in the locking slots, and the locking blocks are connected to the shell through the connecting piece. By adjusting the upper and lower positions of the connecting piece, the position of the double hook can be adjusted, so that The lock can be used on more models of car doors or anti-theft doors, and is more convenient to use.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the high-safety double-hook lock described in the embodiment of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the high-security double-hook lock described in the embodiment of the present invention;

Fig. 3 is a schematic diagram of the decomposition structure of the high-safety double-hook lock described in the embodiment of the present invention;

Fig. 4 is a schematic diagram of the side structure of the high-security double-hook lock according to the embodiment of the present invention.

Detailed ways

In order to further understand the features, technical means, and achieved specific objectives and functions of the utility model, the utility model will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

Example:

With reference to Fig. 3, the double-hook lock of high safety described in the utility model, it comprises the shell 10 that is made up of front cover 101, back cover 103 and side cover 105 and bottom cover 180 and first lock hook 20, the second lock hook 30 , wherein the front cover 101 and the rear cover 103 are parallel to each other and connected with the side cover 105 and the bottom cover 180 to form a space in the housing 10 .

Referring to Figures 2 and 3, a first chute 102 and a second chute 104 are provided on the side cover 105 of the housing 10, and the housing 10 is provided with a first rotating block 114, a second rotating block 116, and a first spring member 118. , the second spring member 120 , the first connecting block 106 , the second connecting block 108 , the first connecting rod 110 , the second connecting rod 112 , and the connecting rod 122 .

Referring to Figures 1 and 3, wherein, the first rotating block 114 and the second rotating block 116 are provided with a key hole 124, and a display hole 170 is provided at a corresponding position on the front cover 101, so that the key can be inserted from the outside of the housing 10, Insert key in corresponding turn lock, can turn corresponding first rotating block 114 or second rotating block 116, and its shape is sheet shape, and edge is arc-shaped, and one end of connecting rod 122 passes through the first movable pin 123 and the second rotating block. A rotating block 114 is connected with the rear cover 103 of the housing 10, and the other end is connected with the second rotating block 116 and the rear cover 103 of the housing 10 through the second movable pin 125, so that when the key is inserted in the keyhole 124, the first rotating block 114 or the second rotating block 116 can rotate with the rotation of the key.

Referring to Fig. 2, one end of the first connecting rod 110 is connected with the first rotating block 114 through the third movable pin 127, and the other end is connected with the first lock hook 20 through the fourth movable pin 133, and the first lock hook 20 is connected with the seventh movable pin 131 is connected with the first connecting block 106, the first connecting block 106 is connected with the front cover 101 and the rear cover 103 through the hollow nut column 160, one end of the second connecting rod 112 is connected with the second rotating block 116 through the fifth movable pin 129, The other end is connected to the second locking hook 30 through the sixth movable pin 130, the second locking hook 30 is connected to the second connecting block 108 through the eighth movable pin 132, and the second connecting block 108 is connected to the front cover 101 through the hollow nut column 160 and the back cover 103, so that when the key is inserted to turn the first rotating block 114, the first connecting rod 110 can push the first lock hook 20, the connecting rod 122 pulls the second rotating block 116, and the second rotating block 116 pulls the second The connecting rod 112 , the second connecting rod 112 pulls the second locking hook 30 .

Referring to Fig. 3, the first hook portion 202 of the first lock hook 20 protrudes from the first chute 102, the second hook portion 204 of the second lock hook 30 protrudes from the second chute 104, and the first hook portion 202 They are opposite to the second hook portion 204 and both face the center of the housing 10 . When the first rotating block 114 rotates, the first hook 202 can be pushed toward the center of the housing 10 , and the second hook 204 can be pushed toward the center of the housing 10 .

2 and 4, one end of the first spring member 118 is connected with the first rotating block 114, the other end is connected with the side cover 105 of the casing 10, one end of the second spring member 120 is connected with the second rotating block 116, and the other end is connected with the second rotating block 116. The side cover 105 of the casing 10 is connected so that the first rotating block 114 and the second rotating block 116 can automatically return to their positions.

During work, the key is inserted in the key hole 124 of the first rotating block 114, and the key is turned to drive the first rotating block 114 to rotate towards the direction of the first lock hook 20, and the first rotating block 114 pushes the first connecting rod 110, the first The connecting rod 110 pushes the first locking hook 20 to move toward the center of the housing 10, and at the same time, the first rotating block 114 drives the second rotating block 116 to rotate toward the direction of the first locking hook 20, pulling the second connecting rod 112, and the second connecting rod 112 pulls the second lock hook 30 to move toward the center of the housing 10. At this time, the first hook part 202 and the second hook part 204 are all hooked to the buckle on the car or the door, that is, the function of locking is realized; the key is inserted into the second hook When the two rotating blocks 116, the direction of motion is opposite, which can achieve the same function.

Referring to FIG. 2 , in actual use, in order to prevent misuse by children, the door is opened by pressing the unlock button while driving. The lock also includes a button 40 and a button spring 50 . That is, a button hole 402 is arranged on the side cover 105, the button spring 50 is arranged in the button hole 402, the button 40 is partly arranged in the button hole 402, and a part protrudes from the button hole 402 for pressing the button, and the button 40 is located in the button hole 402 One end inside is connected with one end of the button spring 50, and the other end of the button spring 50 is connected with the shell 10, so that when the button 40 is pressed, the button spring 50 can be compressed, and the button spring 50 drives the button 40 to move along the button hole 402. 40 is provided with a boss 128 on the side opposite to the first connecting rod 110, and a card slot 130 is correspondingly provided on the first connecting rod 110. When the boss 128 on the button 40 is stuck at the card slot 130, the first locking hook 20 or the second lock hook 30 cannot continue to move, and the lock is in a locked state, which cannot be opened even with a key.

Referring to Fig. 2 , wherein, a fixed sleeve 107 is arranged in the housing 10, the button spring 50 and the button 40 are partly arranged in the fixed sleeve 107, and one end of the button spring 50 is connected to the bottom end of the fixed sleeve 107.

Referring to Figures 2 and 3, in actual use, because the size of each type of car door is different, the size of the high-security double hook lock also changes accordingly, and it cannot be used universally, or the high-security lock needs to be slightly changed during installation. The position of the shackle of the permanent double hook lock can only be realized by using a new lock at this time. For this reason, the structure of the lock has been changed, so that the position of the shackle can be adjusted accordingly, which is more suitable for use. The lock also includes a first block 136, a first connector 138, a second block 140, and a second connector 142. The first connector 106 is provided with a first slot 132, and the first block 136 is arranged vertically. In the first locking groove 132, the first connecting piece 138 passes through the side cover 105 on which the first chute 102 is provided on the housing 10 and connects with the first locking block 136, and the end surface of the first connecting piece 138 is stuck on the side. On the cover 105, the second connecting block 10 is provided with a second locking groove 144, the second locking block 140 is vertically arranged in the second locking groove 144, and the second connecting piece 142 passes through the shell 10 to set the second slide groove 104 One side is the side cover 105, and is connected with the second block 140, the end surface of the second connecting piece 142 is stuck on the side cover 105 of the shell 10, the end surface of the first connecting piece 138 on the first connecting piece 138 is connected with the first card A first adjusting block 145 is arranged between the blocks 136 , and a second adjusting block 146 is arranged between the end surface of the second connecting member 142 on the second connecting member 142 and the second clamping block 140 . Adjusting the positions of the first adjusting block 145 and the second adjusting block 146 on the first connecting piece 138 and the second connecting piece 142 will change the positions of the first locking block 136 and the second locking block 140 relative to the side cover 105, namely The positions of the first locking hook 20 and the second locking hook 30 are changed.

Wherein the first connecting piece 138 and the second connecting piece 142 are screws, the ends of the screws are nuts, which are stuck on the side cover 105 , and the first block 136 and the second block 140 are also nuts.

Referring to FIG. 2 , in actual use, a return spring 150 is provided between the first connecting rod 110 and the side cover 105 on which the first sliding groove 102 is provided on the housing 10 to prevent the first connecting rod 110 from moving excessively.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (6)

1. A high-security double-hook lock is characterized in that it comprises a housing (10), a first locking hook (20) and a second locking hook (30), and a first locking hook is provided on one side of the housing (10). The chute (102) and the second chute (104), the housing (10) is provided with a first rotating block (114), a second rotating block (116), a first spring member (118), a second spring (120), the first connecting block (106), the second connecting block (108), the first connecting rod (110), the second connecting rod (112) and the connecting rod (122), the first rotating block ( 114) and the second rotating block (116) are respectively provided with a keyhole (124), and one end of the connecting rod (122) passes through the first movable pin (123) and the first rotating block (114) and the housing (10) connection, the other end of the connecting rod (122) is connected with the second rotating block (116) and the housing (10) through the second movable pin (125), and one end of the first connecting rod (110) passes through The third movable pin (127) is connected with the first rotating block (114), and the other end is connected with the first locking hook (20) through the fourth movable pin (133), and the second connecting rod (112) One end is connected with the second rotating block (116) through the fifth movable pin (129), and the other end is connected with the second locking hook (30) through the sixth movable pin (130), and the first locking hook ( 20) The seventh movable pin (131) is connected to the first connection block (106), and the first hook (202) of the first locking hook (20) protrudes from the first chute (102) ), the second locking hook (30) is connected with the second connection block (108) through the eighth movable pin (132), and the second hook portion (204) of the second locking hook (30) protrudes In the second chute (104), the first hook (202) and the second hook (204) are both facing the center of the housing (10), and the first spring (118) One end is connected with the first rotating block (114), the other end is connected with the housing (10), one end of the second spring member (120) is connected with the second rotating block (116), and the other end is connected with the The casing (10) is connected, and the first connection block (106) and the second connection block (108) are both connected to the casing (10). 2. The high-security double hook lock according to claim 1, characterized in that: it also includes a button (40) and a button spring (50), and the casing (10) is provided with the first chute (102). One side is provided with a button hole (402), the button spring (50) is arranged in the button hole (402), a part of the button (40) is arranged in the button hole (402), and the other part protrudes In the housing (10), the end surface of the button (40) arranged in the button hole (402) is connected to one end of the button spring (50), and the other end of the button spring (50) is connected to the button spring (50). The housing (10) is connected, the button (40) is provided with a boss (128) on the side opposite to the first connecting rod (110), and the first connecting rod (110) is provided with the boss (128). The draw-in groove (130) that platform (128) cooperates. 3. The high-security double hook lock according to claim 2, characterized in that: the button spring (50) and the button (40) are partly arranged in a fixed sleeve (107), and the fixed sleeve ( 107) is provided inside said casing (10). 4. The high-security double hook lock according to claim 1 or 2, characterized in that: it also includes a first block (136), a first connector (138), a second block (140), a second connection piece (142), the first connecting block (106) is provided with a first locking slot (132), and the first locking block (136) is vertically arranged in the first locking slot (132), The first connecting piece (138) passes through the side of the housing (10) on which the first chute (102) is provided and is connected to the first block (136), and the first connecting piece (138) The end face is clamped on the side of the housing (10) where the first chute (102) is provided; the second connecting block (108) is provided with a second locking slot (144), and the second locking block (140 ) is vertically arranged in the second card slot (144), the second connecting piece (142) passes through the housing (10) on the side of the second slide slot (104) and is connected with the second card block (140), the end face of the second connecting piece (142) is stuck on the side of the housing (10) where the first chute (102) is arranged, and the end face of the first connecting piece (138) is connected to the A first adjustment block (145) is provided between the first block (136), and a second adjustment block ( 146). 5. The high security double hook lock according to claim 4, characterized in that: the first connecting piece (138) and the second connecting piece (142) are both screws, and the adjusting block (146), the first The ends of the block (136), the second block (140) and the screws are all nuts. 6. The high-safety double hook lock according to claim 1, characterized in that: a reset is provided between the first connecting rod (110) and the side of the housing (10) on which the first chute (102) is arranged. Spring member (150).