CN201513003U

CN201513003U - Lockset anti-poke pin

Info

Publication number: CN201513003U
Application number: CN2009202356388U
Authority: CN
Inventors: 曹云周
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-16
Filing date: 2009-10-16
Publication date: 2010-06-23
Anticipated expiration: 2019-10-16

Abstract

The utility model relates to a lockset anti-poke pin. The lockset anti-poke pin is a block body in a T-shaped structure and comprises a vertical anti-poke post and a horizontal anti-poke post, wherein an anti-poke raised strip is located on one side of the horizontal anti-poke far from the vertical anti-poke post and is arranged along the length direction of the horizontal anti-poke post, the cross section of the raised strip is of cone shape, the length thereof is the same as that of a key hole, the cylindrical face is the outer end face of the vertical anti-poke post, the inside of the block body in the height direction is provided with the anti-poke raised strip, the outside is the cylindrical face, two sunk holes are located on the horizontal anti-poke post close to one side of the vertical anti-poke post and are symmetrical to the vertical anti-poke post, and the sunk holes for mounting springs are arranged on the block body. By adopting the structure, as two springs which are matched and play a role of returning are arranged between a lock core and the anti-poke pin, two springs both play a role to form double safety, the stress borne by two ends of each spring can easily retain balance, each spring has better stability and reliability when in use, one spring is always contacted with the lock core and the anti-poke pin, thereby increasing the safety of locksets.

Description

Pull-preventing pin for lock

Technical field

The utility model provides a kind of lockset annex, and a kind of pull-preventing pin for lock particularly is provided.

Background technology

The patent No. is that 200420038079.9 Chinese utility model patent manual discloses a kind of Reed lock, it comprises lock body, be contained in the lock cylinder in the lock body rotationally, lock core is formed by connecting by dismountable active mode by the anti-shifting block cavity of stem and the locking plate cavity of afterbody, keyhole is positioned at the head end of anti-shifting block cavity, make lock core axially have keyhole, the locking plate groove, be loaded on the locking plate of at least one pair of the stacked placement in the locking plate groove and be connected in this spring between locking plate is located on the locking plate cavity, make lock core be provided with the locking plate groove, paired stacked locking plate and corresponding spring, lock body is provided with the locked groove that ends that twice are symmetrical in the locking plate groove, and each locking plate is with corresponding locking plate groove and end locked groove and be slidingly matched.

Improvement as this lock, the afterbody of anti-shifting block cavity radially has the plane that is parallel to each other by two, the vallecular cavity that the baffle plate of two radial symmetric surrounds, the radially dual-side on described each plane extends to respectively on the face of cylinder, the outside of anti-shifting block tail of cavity body, the tail side on each plane is having a radially symmetrical breach respectively near two baffle plate places, and it is also symmetrical near two breach of same baffle plate simultaneously, the lateral surface of described each baffle plate all with a common face of cylinder, the face of cylinder, the outside of anti-shifting block tail of cavity body, all leave the gap of equal size between each baffle plate and two planes, the tail end of each baffle plate all is within the breech face of anti-shifting block cavity; At least one anti-shifting block that spring is housed and is roughly square block is placed in the vallecular cavity and is slidingly matched, distance between two parallel side of anti-shifting block width is identical with the width of keyhole, the tail side edge of anti-shifting block width two parallel side is respectively equipped with a projection that is mutually symmetrical, the medial surface of anti-shifting block short transverse is provided with along its width layout and with wide the preventing of keyhole and dials raised line, lateral surface is the face of cylinder, the anti-section of dialling raised line is truncated cone shape, the head end of anti-shifting block length direction has one to allow corresponding baffle plate to enter and section is the groove hole of half oval shape, spring is installed in the groove hole and places the head end of anti-shifting block length direction, two projections put in simultaneously near in two breach of same baffle plate, the other end of spring contacts with the medial surface of corresponding baffle plate, make the lateral surface of anti-shifting block short transverse and a common face of cylinder, the face of cylinder, the outside of anti-shifting block tail of cavity body, and the anti-raised line of dialling seals keyhole; The stem of lock body is provided with at least one and the corresponding anti-allocating slot of anti-shifting block.

Above-mentioned anti-shifting block is called pull-preventing pin again, should prevent that shifting block was because of the part that comes with some shortcomings on its structure design, make it have following defective: only to be provided with a spring that matches and play reset response because of between the anti-shifting block cavity of lock core and each anti-shifting block, like this, the stressed very difficult maintenance balance of both ends of the spring, instability when spring uses, reliability are relatively poor, particularly when spring is aging, the two ends of spring can break away from the anti-shifting block cavity and the tight of corresponding anti-shifting block of lock core and contact, so that reduced the safety of this lock.In addition, the structure of this anti-shifting block is complicated, difficulty of processing is big, so that cost is higher.

The utility model content

The technical problems to be solved in the utility model provides a kind of pull-preventing pin for lock, and this pull-preventing pin is fitted in the lockset, can improve the safety of lockset.

For solving the problems of the technologies described above, the utility model provides a kind of pull-preventing pin for lock, it is a block, block is T shape structure and is made of the vertical anti-reversed column of anti-reversed column and level, prevent that group raised line is positioned on the anti-reversed column of level away from the vertical length direction layout of preventing a side of reversed column and preventing reversed column along level, it is wide that the anti-section of dialling raised line is truncated cone shape and its length and keyhole, the face of cylinder is the outer face of vertically anti-reversed column, make the inboard of block height direction that the anti-raised line of dialling be arranged, the outside is the face of cylinder, two counterbores are positioned on the anti-reversed column of level near a side of vertically anti-reversed column and are symmetrical in vertically anti-reversed column, make to have on the block to be used for the counterbore of mounting spring.

The equipped mode of this pull-preventing pin for lock in lockset is: at least one this pull-preventing pin for lock is placed in the lock core vallecular cavity of lockset and is slidingly matched, be equipped with a spring that matches and play reset response (be lock core with each this pull-preventing pin for lock between be provided with two springs that match) between lock core and each counterbore, so that each this pull-preventing pin for lock is in the trend of moving to the keyhole direction all the time.

Adopt after the above structure, because of being provided with two springs that match and play reset response between lock core and this pull-preventing pin for lock, two springs play a role simultaneously, formed dual fail-safe, like this, the stressed balance that just easily keeps of each both ends of the spring is stable when each spring uses, reliability is better, all the time guarantee to have a spring closely to contact, so that the safety that has improved lockset with lock core and this pull-preventing pin for lock.

In addition, this pull-preventing pin for lock simple in structure, difficulty of processing is little, so that cost is lower.

Description of drawings

Fig. 1 is the stereo amplification figure of this pull-preventing pin for lock;

Fig. 2 is that two these pull-preventing pin for lock are fitted in the user mode schematic diagram in the lockset.

The specific embodiment

Below in conjunction with accompanying drawing the utility model embodiment is specifically described:

Referring to Fig. 1, this pull-preventing pin for lock is a block 1, block 1 constitutes for T shape structure and by vertically anti-reversed column 1a and the anti-reversed column 1b of level, the anti-raised line 1c of dialling is positioned at the anti-reversed column 1b of level and upward arranges away from the side of vertically anti-reversed column 1a and along the length direction of the anti-reversed column 1b of level, it is wide that the anti-section of dialling raised line 1c is truncated cone shape and its length and keyhole, the face of cylinder is the outer face of vertically anti-reversed column 1a, make the inboard of block 1 short transverse that the anti-raised line 1c of dialling be arranged, the outside is the face of cylinder, two counterbore 1d are positioned at the anti-reversed column 1b of level and go up near the side of vertically anti-reversed column 1a and be symmetrical in vertically anti-reversed column 1a, make to have on the block 1 to be used for the counterbore 1d of mounting spring.

Referring to Fig. 2, the equipped mode of this pull-preventing pin for lock in lockset is:

The lock core 3 and the lock body 2 of lockset are provided with pellet shot from a slingshot and spring, and locking plate and spring perhaps are set, with the mutual rotation (not shown pellet shot from a slingshot and spring, locking plate and spring among Fig. 2) between restriction lock core 3 and the lock body 2.

Be arranged in keyhole (Fig. 2 does not mark the piece number of keyhole) up and down two these pull-preventing pin for lock of both sides be placed on the vallecular cavity 3a of lock core 3 and be slidingly matched, be equipped with a spring 4 that matches and play reset response (be lock core 3 with each this pull-preventing pin for lock between be provided with two springs that match 4) between lock core 3 and each counterbore 1d, so that each this pull-preventing pin for lock is in the trend of moving to the keyhole direction all the time.

Lock body 2 has two anti-allocating slot 2a that arrange up and down, anti-on two these pull-preventing pin for lock dialled raised line 1c and contacts with each other on the width of keyhole and keyhole is sealed, the vertically anti-reversed column 1a of this pull-preventing pin for lock of upside is within the face of cylinder, the outside of lock core 3, and the vertically anti-reversed column 1a of this pull-preventing pin for lock of downside is put among that anti-allocating slot 2a of downside.

Like this, when opening lockset, correct key (not shown described key among Fig. 2) contacts with two anti-raised line 1c that dial, and make two vertically faces of cylinder, the outside concordant with the face of cylinder, the outside of lock core 3 (being a common face of cylinder) of anti-reversed column 1a, make all pellets shot from a slingshot or locking plate all check the number into the position, lock core 3 can rotate freely under this state, therefore, has correct key only and could open lockset.

Adopt after the above structure, because of being provided with two springs 4 that match and play reset response between lock core 3 and this pull-preventing pin for lock, two springs 4 play a role simultaneously, formed dual fail-safe, like this, the stressed balance that just easily keeps at each spring 4 two ends is stable when each spring 4 uses, reliability is better, all the time guarantee to have a spring 4 closely to contact, so that the safety that has improved lockset with lock core 3 and this pull-preventing pin for lock.

Claims

1. pull-preventing pin for lock, it is a block, there is the anti-raised line of dialling the inboard of its short transverse, the outside is the face of cylinder, it is wide that the anti-section of dialling raised line is truncated cone shape and its length and keyhole, have on the block and be used for the counterbore of mounting spring, it is characterized in that: block is T shape structure and is made of the vertical anti-reversed column of anti-reversed column and level, prevent that group raised line is positioned on the anti-reversed column of level away from the vertical length direction layout of preventing a side of reversed column and preventing reversed column along level, the face of cylinder is the outer face of vertically anti-reversed column, counterbore is two, and two counterbores are positioned on the anti-reversed column of level near vertically preventing a side of reversed column and being symmetrical in vertically anti-reversed column.