CN210422183U

CN210422183U - Anti-violence-damage mortise door lock

Info

Publication number: CN210422183U
Application number: CN201921012110.4U
Authority: CN
Inventors: 彭拯和; 陈立锋; 王万愚; 张冬岩
Original assignee: Beijing Abeikesi Consultation Co ltd
Current assignee: Beijing Jingcheng Beian Technology Co.,Ltd.
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-04-28
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a prevent that violence destroys lock pin lock tapered end, including the lock head body, be interior lock core hole and outer lock core hole respectively in lock head body middle section both sides, be provided with interior lock core and outer lock core in interior lock core hole and the outer lock core hole respectively, lock head body middle section is a notch, and the distance department that the lock head body is close the middle section recess at outer lock core hole section is provided with easy-to-break notch, and easy-to-break notch is used for the lock head body to break outer lock core hole section when outer lock core destroys, and lock core hole section and outer lock core hole section are provided with steel enhancement connection splint around the relative distance lower extreme junction, and steel enhancement connection splint are middle U-shaped recessed splint, and the middle section notch is lived to the lower recess of U-shaped, and the lock core hole upper end of interior lock core and outer lock core is provided with primary and secondary pellet shot respectively. The utility model discloses the anti-riot destruction ability of metal splint in order to improve the tapered end has been used.

Description

Anti-violence-damage mortise door lock

Technical Field

The utility model relates to a prevent that violence destroys lock core lock tapered end.

Background

The most common lock head in the market at present is the integrative lock head of general copper, and this kind of lock head is very easy to be broken from the mounting screw hole department when suffering violent destruction to easily realize opening. Some attempts to protect the mounting screw holes, either in the manner of reinforcing bars or with embedded protectors, have not been satisfactory. The most common measures for preventing technical opening of the I-shaped bead are relatively limited in effectiveness, and although the track groove structure has an obvious effect on preventing the technical opening, the structural characteristics of the track groove structure make later-stage function reconfiguration inconvenient. Some anti-violence lock heads are designed to be incapable of being opened indoors and outdoors after being subjected to violence damage, so that the anti-violence lock head deviates from the anti-violence damage concept, and the significance of preventing violence damage is weakened to a certain extent. In addition, if the lock is designed to be excessively complicated and excessively designed with an emphasis on the fastness and confidentiality of the lock, the lock is generally difficult to be arranged and expensive to be manufactured.

Disclosure of Invention

The utility model aims at providing a prevent that violence destroys mortise lock tapered end.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a lock head of a core-insert door lock capable of preventing violent damage comprises a lock head body, wherein an inner lock cylinder hole and an outer lock cylinder hole are respectively arranged on two sides of the middle section of the lock head body, an inner lock cylinder and an outer lock cylinder are respectively arranged in the inner lock cylinder hole and the outer lock cylinder hole, a row of round-head marbles are respectively arranged at the lower ends of the lock cylinder holes of the inner lock cylinder and the outer lock cylinder, the lock head body is provided with butt joint marble holes corresponding to the round-head marbles of the inner lock cylinder and the outer lock cylinder, butt joint marbles are arranged in the butt joint marble holes, the middle section of the lock head body is a notch, an unlocking thumb wheel is arranged in the notch, the unlocking thumb wheel is connected with the inner lock cylinder and the outer lock cylinder on two sides through clutches, the lock head body is characterized in that an easy-to-break notch is arranged at the position, close to the middle section groove, of the outer lock cylinder, the easy-to-break notch is used for breaking the outer lock cylinder hole section, the steel reinforced connecting splint is a splint with a U-shaped concave middle part, the U-shaped concave part is sleeved on the concave notch of the middle section, and the upper ends of the lock cylinder holes of the inner lock cylinder and the outer lock cylinder are respectively provided with primary and secondary marbles.

The scheme is further as follows: the primary and secondary marbles comprise a primary marble and a secondary marble, the lower end of the secondary marble facing the key hole is conical, the upper end of the secondary marble is provided with a central hole, the secondary marble comprises an upper end cylinder and a lower end cylinder, and the upper end cylinder and the lower end cylinder are connected into a whole through a middle connecting rod, wherein: the diameters of the upper end cylinder and the lower end cylinder are the same, the diameter of the connecting rod is smaller than that of the central hole, the lower end cylinder of the sub-cylinder is inserted into the central hole formed in the upper end of the main cylinder, a spring is arranged in the central hole, and in an initial state, the spring jacks up the sub-cylinder to enable the upper end cylinder to be pushed against the arc-shaped groove formed in the inner wall of the lock cylinder hole.

The scheme is further as follows: the clutch is including the outer lock core clutch cylinder of being connected with outer lock core and the interior lock core clutch cylinder of being connected with interior lock core, be provided with the pin card hole on the interior lock core clutch cylinder the thumb wheel centre bore of unblanking radially is provided with a pin hole, has inserted the pin in the pin hole, and the pin is by the spring top centre bore that sets up at the rear end, and under normal condition, the pin top is at the front end inoperative in interior lock core clutch cylinder pin card hole, and is destroyed when outer lock core, when interior lock core clutch cylinder antedisplacement, the pin card is gone into the pin card hole under the effect of spring and is made interior lock core clutch cylinder can not destroyed, makes interior lock core normal work.

The scheme is further as follows: the hole wall of at least one of the plurality of ball holes of the outer lock core provided with the round head balls is provided with an annular groove.

The scheme is further as follows: the blocking of the butt joint spring hole of the lock head body is screw blocking.

Compared with the prior art, the utility model has the advantages that:

1. the metal clamping plate is used for improving the anti-violent destructive capacity of the lock, and the lock mounting screw hole is protected from being damaged.

2. By adopting the interlocking type clutch, after the outer lock head is violently damaged, the clutch is popped out under the action of the clutch spring, and the pin of the thumb wheel is popped into the pin clamping hole on the clutch, so that the thumb wheel, the clutch and the inner lock head are integrated into a whole, and the purpose that the outer lock head can not be opened indoors is achieved.

3. The adopted primary and secondary marbles further improve the capability of preventing the technical opening.

4. By adopting the structure of screw sealing, the products in the series can be exchanged, the later function reconfiguration is convenient, and the product expansibility is improved.

5. The hole wall of the round-head pin hole of the outer lock cylinder is provided with the annular groove, so that the wave-proof ratio opening capacity can be effectively improved. When the wave ratio is met and the ball is opened, the upper edge of the I-shaped flat head marble or the nested flat head marble can fall into the annular groove, so that the opening is more difficult.

The novel design limitation of preventing some anti-violence damage locks is avoided in this implementation, and anti-violence damage, anti-technology opening, flexible functions and simple and easy manufacturing are all considered, and technical, production and economic balance is achieved.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the primary-secondary marble arrangement structure of the present invention;

fig. 3 is a schematic view of the outer lock core round head marble of the present invention, wherein an annular groove is arranged on the hole wall of the marble hole.

Detailed Description

A lock head of a cylinder lock capable of preventing violent damage is disclosed, as shown in figure 1, the lock head comprises a lock head body 1, an inner lock cylinder hole 101 and an outer lock cylinder hole 102 are respectively arranged at two sides of the middle section of the lock head body, an inner lock cylinder 2 and an outer lock cylinder 3 are respectively arranged in the inner lock cylinder hole and the outer lock cylinder hole, a row of a plurality of round-head marbles 4 are respectively arranged at the lower ends of the lock cylinder holes of the inner lock cylinder and the outer lock cylinder, butt joint marble holes are respectively arranged at the round-head marbles corresponding to the inner lock cylinder and the outer lock cylinder of the lock head body, butt joint marbles 5 are arranged in the butt joint marble holes, the middle section of the lock head body is a concave notch 103, an unlocking dial wheel 6 is arranged in the concave notch, the unlocking dial wheel is connected with the inner lock cylinder and the outer lock cylinder at two sides through a clutch, the clutch comprises an outer lock cylinder clutch cylinder body 104 connected with the outer lock cylinder and an inner lock cylinder clutch cylinder body 105 connected with the inner lock cylinder, as shown in the figure, the lock body is provided with an easy-to-break notch 106 at a distance from the outer lock cylinder hole section to the middle section groove, the easy-to-break notch is used for breaking the outer lock cylinder hole section when the lock body is damaged from the outer lock cylinder, steel reinforced connecting clamping plates 8 are arranged at the joint of the lower side of the middle section groove from the easy-to-break notch of the outer lock cylinder hole section to the front and back of the inner lock cylinder hole section, namely, the steel reinforced connecting clamping plates 8 are arranged at the front and back of the joint of the lower ends of the relative distance between the inner lock cylinder hole section of the lock body and the easy-to-break notch of the outer lock cylinder hole section, the steel reinforced connecting clamping plates are clamping plates with a U-shaped concave middle part, the U-shaped concave part is sleeved on the middle section groove, primary and secondary marbles 9 are respectively arranged at the upper ends of the lock cylinder holes of the inner lock cylinder and the outer.

The steel reinforced connecting splint adopts alloy steel with both strength and toughness, and the weak part of the lock head is protected

The protection is to improve the ability of preventing the violent damage, and the steel is strengthened and is connected splint and fix with four pins, and during the installation, easy-to-break groove one side is installed in the outdoor side. The combination of the clamping plate and the breakable groove is used for protecting the lock head from being damaged by violence outdoors (breaking or breaking the outer lock head), the installation screw hole of the lock head and the inner lock head are not damaged, the lock head is still fixed in the lock body, and the lock head can still be opened indoors through the inner lock head.

Wherein: the distance that the lock body is close to the middle section recess at outer lock core hole section, or the distance that the easy-to-break notch is close to the middle section recess is 5mm to 10mm, and the width of easy-to-break notch itself is 1 to 2mm, and the degree of depth is 1 mm. The actual size is determined according to different lock cylinders and the required design.

The arrangement of the primary and secondary marbles 9 not only increases the key amount of the lock, but also plays the roles of preventing the marbles from being opened, preventing the cylinder from being opened by vibration, preventing the cylinder from being opened by tinfoil and the like. As shown in fig. 2, the mother-son pin includes a child pin and a mother pin 901, the lower end of the mother pin facing the key hole 301 is conical, the conical front portion extends into the key hole, the upper end of the mother pin is provided with a central hole, the child pin includes an upper end column 902 and a lower end column 903, the upper end column and the lower end column are connected into a whole through a middle connecting rod 904, wherein: the diameter of the upper end column body is the same as that of the lower end column body, but the diameter of the upper end column body is smaller than that of the central hole for the convenience of insertion and is about 0.1 mm. The diameter of the connecting rod is 1mm to 2mm smaller than that of the central hole, the lower end column body of the sub marble is inserted into the central hole arranged at the upper end of the main marble, a spring 905 is arranged in the central hole, in the initial state, the spring jacks up the bullet to enable the upper end column body to jack in the arc-shaped groove arranged on the inner wall of the lock cylinder hole, the top end of the cylinder at the upper end of the bullet is arc-shaped, when a correct key is inserted, the mother marble is jacked up, the central hole of the mother marble just sleeves the cylinder at the upper end of the bullet, therefore, the inner lock core 2 and the outer lock core 3 can slide out of the arc-shaped groove through the top end of the upper end cylinder of the sub rotor marble of the mother marble, when a wrong key is inserted or the lock core is attempted to rotate due to technical opening, the central hole of the mother marble does not sleeve the cylinder at the upper end of the bullet, at this time, the lower edge of the upper end column body of the sub marble is clamped at the upper edge of the central hole of the main marble, and the rotation of the lock core is prevented.

Wherein: for clutch interlocking, a pin clamping hole 105-1 is arranged on the cylinder 105 of the inner lock cylinder clutch, a pin hole is radially arranged in the axial middle of a central hole 601 of the unlocking dial wheel for inserting the clutch, a pin 602 is inserted into the pin hole, the pin is pushed to the central hole by a spring 603 arranged at the rear end, under the normal state, the cylinder 105 of the inner lock cylinder clutch and the cylinder 104 of the outer lock cylinder clutch are pushed against each other, the pin is pushed to the front end of the pin clamping hole 105-1 of the cylinder 105 of the inner lock cylinder clutch and does not work, when the outer lock cylinder is damaged, the cylinder 104 of the outer lock cylinder clutch falls off, the cylinder 105 of the inner lock cylinder clutch is pushed by the spring 201 of the inner lock cylinder, the pin 602 is clamped into the pin clamping hole 105-1 under the action of the spring 603 to form interlocking of the cylinder and the unlocking dial wheel, so that the cylinder of the inner lock cylinder cannot be damaged, and the cylinder clutch cylinder, The inner lock head is integrated, so that the lock head is difficult to open at an outdoor damaged position by prying, poking, twisting, poking and other modes, the lock head can still be opened indoors through a key under normal conditions, and the inner lock cylinder works normally.

In the example, as shown in fig. 3: the hole wall of at least one of the ball holes of the outer lock core provided with the round head balls is provided with an annular groove 302. The annular groove is matched with the I-shaped flat head marble or the nested flat head marble for use, so that the starting capacity of the wave-proof ratio can be effectively improved. When the wave ratio is met and the ball is opened, the upper edge of the I-shaped flat head marble or the nested flat head marble can fall into the annular groove, so that the opening is more difficult.

Wherein: the butt joint of the lock head body and the spring hole is blocked by adopting a screw 10. The screw plugging enables the single-double-opening lock head to be exchanged and the later functional configuration (such as key management and same tooth design) to be simpler and more convenient.

Claims

1. A lock head of a core-insert door lock capable of preventing violent damage comprises a lock head body, wherein an inner lock cylinder hole and an outer lock cylinder hole are respectively arranged on two sides of the middle section of the lock head body, an inner lock cylinder and an outer lock cylinder are respectively arranged in the inner lock cylinder hole and the outer lock cylinder hole, a row of round-head marbles are respectively arranged at the lower ends of the lock cylinder holes of the inner lock cylinder and the outer lock cylinder, the lock head body is provided with butt joint marble holes corresponding to the round-head marbles of the inner lock cylinder and the outer lock cylinder, butt joint marbles are arranged in the butt joint marble holes, the middle section of the lock head body is a notch, an unlocking thumb wheel is arranged in the notch, the unlocking thumb wheel is connected with the inner lock cylinder and the outer lock cylinder on two sides through clutches, the lock head body is characterized in that an easy-to-break notch is arranged at the position, close to the middle section groove, of the outer lock cylinder, the easy-to-break notch is used for breaking the outer lock cylinder hole section, the steel reinforced connecting splint is a splint with a U-shaped concave middle part, the U-shaped concave part is sleeved on the concave notch of the middle section, and the upper ends of the lock cylinder holes of the inner lock cylinder and the outer lock cylinder are respectively provided with primary and secondary marbles.

2. The anti-violent-damage mortise lock according to claim 1, wherein the snap cylinder comprises a male cylinder and a female cylinder, the female cylinder has a conical lower end facing the keyhole, a central hole is formed at an upper end of the female cylinder, the male cylinder comprises an upper cylinder and a lower cylinder, the upper cylinder and the lower cylinder are connected into a whole through an intermediate connecting rod, and wherein: the diameters of the upper end cylinder and the lower end cylinder are the same, the diameter of the connecting rod is smaller than that of the central hole, the lower end cylinder of the sub-cylinder is inserted into the central hole formed in the upper end of the main cylinder, a spring is arranged in the central hole, and in an initial state, the spring jacks up the sub-cylinder to enable the upper end cylinder to be pushed against the arc-shaped groove formed in the inner wall of the lock cylinder hole.

3. The anti-violence damage mortise door lock according to claim 1, wherein the clutch includes an outer cylinder clutch cylinder connected to the outer cylinder and an inner cylinder clutch cylinder connected to the inner cylinder, the inner cylinder clutch cylinder is provided with a pin engaging hole, the unlocking paddle wheel has a pin hole radially formed in a center hole thereof, a pin is inserted into the pin hole, the pin is pushed toward the center hole by a spring provided at a rear end thereof, the pin is not acted at a front end thereof pushed against the pin engaging hole of the inner cylinder clutch cylinder in a normal state, and when the outer cylinder is damaged and the inner cylinder clutch cylinder moves forward, the pin is engaged into the pin engaging hole by the spring so that the inner cylinder clutch cylinder is not damaged, and the inner cylinder operates normally.

4. The anti-violent damage mortise lock according to claim 1, wherein the outer cylinder has round-headed pins, and at least one of the pin holes has an annular groove formed in a wall thereof.

5. The anti-violent-damage mortise lock according to claim 1, wherein the plug of the lock body abutting the ball hole is a screw plug.