CN211229836U

CN211229836U - Bolt

Info

Publication number: CN211229836U
Application number: CN201921797350.XU
Authority: CN
Inventors: 朱斌
Original assignee: Zhejiang Yilong Intelligent Technology Co ltd
Current assignee: Zhejiang Yilong Intelligent Technology Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-08-11
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a bolt, which aims to overcome the problem that the prior secondary door and the prior primary door do not have the opening sequence, and comprises a casing, a transmission part and an execution part are arranged on the casing in a rotating way, the execution part and the transmission part are coaxial rotating bodies, a bolt is arranged on the casing in a sliding way, the bolt is connected to the transmission part in a transmission way, a first lock hole and a second lock hole are respectively arranged on the execution part and the transmission part, a lock pin is arranged in the second lock hole in a sliding way, the lock pin can be inserted in the first lock hole or separated from the first lock hole, a driving part is also arranged on the casing in a sliding way, a latch bolt is arranged on the driving part, the latch bolt can extend out of the casing or retract into the casing, a first elastic part is arranged between the driving part and the casing, the first elastic part forces the latch bolt to extend out of the casing, the driving part is connected to the lock, when the latch bolt extends out of the shell, the lock pin is inserted in the first lock hole.

Description

Bolt

Technical Field

The utility model belongs to a door fitting, in particular to a bolt.

Background

The bolt is a kind of accessory of fixing the door on the door frame, and the wide application is on the door, and including one kind in the prior art to opening the door, can be called primary and secondary door again, because the advantage that the uncovered is big, whole atmospheric after opening the door, often as use such as entrance door, fire door.

The split door consists of a sub door and a main door (the sub door and the main door can be called as two single doors), the sub door and the main door can be opened in two directions, the sub door is provided with a bolt, the bolt can lock the sub door on a door frame, the main door is provided with a lockset, the lockset can lock the main door on the sub door, the bolt is provided with a hook and a handle, a user can pull the handle through the bolt, the locking and unlocking of the hook are realized, and the lockset needs a key, and the fingerprint and other identification back is unlocked through the handle.

However, the prior art is not perfect, when the sub-door and the mother door are closed together, the sub-door and the mother door do not have the sequence of opening, a user can open the corresponding door through the handle of the sub-door or the handle of the mother door, if the sub-door is opened first, the lockset is still locked between the sub-door and the mother door, and the problem that the door is not smooth to open or even the lockset is damaged is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art and the existing problems, the utility model provides a split door bolt which can be used for opening the door in sequence.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bolt comprises a shell, a transmission part is rotatably arranged on the shell, a bolt is also slidably arranged on the shell and is in transmission connection with the transmission part, and the bolt can extend out of the shell or retract into the shell by rotating the transmission part;

the shell is also rotatably provided with an executing part, the executing part and the transmission part are coaxial rotating bodies, the executing part and the transmission part are respectively provided with a first locking hole and a second locking hole, a locking pin and a sliding locking pin are arranged in the second locking hole in a sliding manner, the locking pin can be inserted into the first locking hole or separated from the first locking hole, and when the locking pin is inserted into the first locking hole, the executing part and the transmission part can synchronously rotate;

the shell is also provided with a driving part in a sliding manner, the driving part is provided with a latch tongue, the driving part is slid, the latch tongue can extend out of the shell or retract into the shell, and a first elastic part is arranged between the driving part and the shell and forces the latch tongue to extend out of the shell;

the driving piece is in transmission connection with the lock pin, when the latch bolt is contracted in the shell, the lock pin is separated from the first lock hole, and when the latch bolt extends out of the shell, the lock pin is inserted in the first lock hole.

Preferably, the driving member is provided with an inclined surface, the housing is further provided with a driven member in a sliding manner, the driven member is kept in contact with the inclined surface, and the lock pin is kept in contact with the driven member.

Preferably, an arc-shaped surface is arranged on the driven part, the plug pin keeps abutting against the arc-shaped surface, when the transmission part rotates, the plug pin slides on the arc-shaped surface, and the arc-shaped surface enables the plug pin to keep being separated from the first lock hole or to be inserted into the first lock hole.

Preferably, a cone is fixedly arranged on the driving piece, and the inclined plane is the side surface of the cone.

Preferably, arc-shaped teeth are formed on the transmission part, a gear is arranged in the shell in a rotating mode, the gear is meshed with the arc-shaped teeth, the lock tongues are arranged on the two sides of the gear, a rack is formed on each lock tongue and meshed with the gear, and when the transmission part rotates, the gear can drive the lock tongues on the two sides to synchronously stretch out of the shell or retract into the shell.

Preferably, the left side of the casing is provided with a first opening, the latch bolt can extend out of the casing or retract into the casing through the first opening, the upper end or/and the lower end of the casing is provided with a second opening, and the latch bolt can extend out of the casing or retract into the casing through the second opening.

Preferably, a second elastic element is arranged between the bolt and the casing, and the second elastic element forces the bolt to extend out of the casing.

Preferably, the latch tongue is hinged to the active member.

Preferably, the number of the oblique tongues is two, and the two oblique tongues are arranged on the driving piece in a crossed mode.

Preferably, the transmission member is provided with a counter bore, and the actuating member is adapted to rotate in the counter bore.

Compared with the prior art, the utility model outstanding and profitable technological effect is: use this bolt on running from opposite directions the door, this bolt is installed on a single door, the handle can be installed on the executive, the latch bolt can expose in the side of this single door, when another single door is opened, the latch bolt stretches out outside under the effect of elastic component, the lockpin is together fixed with driving medium and executive this moment, thereby user's accessible handle contracts the spring bolt in the casing, thereby accomplish the unblock, and when two single doors are closed together, another single door is impressed the latch bolt in the casing, the lockpin breaks away from first lockhole this moment, executive and driving medium mutual independence, the handle only can idle running, the user only opens another single door earlier, just can open the single door that is equipped with this bolt, there is the separation of order in the opening of two single doors, the problem of having avoided opening the door unsmooth or even damage.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the latch bolt of the present invention extending out of the housing;

FIG. 4 is a schematic cross-sectional view of the latch bolt of the present invention retracted in the housing;

fig. 5 is a schematic structural diagram of the housing of the present invention;

FIG. 6 is a schematic view of the driving member of the present invention;

FIG. 7 is a schematic structural view of an actuator according to the present invention;

in the figure: 1-machine shell, 2-transmission piece, 3-lock tongue, 4-execution piece, 5-driving piece, 6-oblique tongue, 7-driven piece, 8-cone, 91-gear, 92-first elastic piece, 93-second elastic piece, 94-third elastic piece, 95-inner cover, 96-lock pin, 11-panel, 12-shell, 13-second opening, 111-first opening, 121-first through hole, 21-second lock hole, 22-arc tooth, 23-countersunk hole, 31-rack, 41-first lock hole, 71-arc face and 81-inclined face.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 7, a bolt, mainly use on running from opposite directions the door, it includes hollow casing 1, it is provided with driving medium 2 to rotate on the casing 1, it is provided with spring bolt 3 still to slide on the casing 1, spring bolt 3 transmission is connected on driving medium 2, rotate driving medium 2, spring bolt 3 can stretch out or contract in casing 1 to casing 1 outward, when using this bolt, install this bolt on single door, stretch out outside casing 1 when spring bolt 3, spring bolt 3 lockable is on the door frame, thereby set up on the door frame with single door is fixed, when spring bolt 3 shrink in casing 1, single door can be on the door frame free rotation.

Still rotate on the casing 1 and be provided with executive component 4, first through-hole 121 has been seted up on the casing 1, the handle (not shown in the figure) accessible first through-hole 121 connects on executive component 4, executive component 4 and driving medium 2 are coaxial rotor, coaxial rotor means executive component 4's the axis of rotation and driving medium 2's the axis of rotation be in same straight line, consequently when executive component 4 and driving medium 2 fix together, both can rotate in step, and when executive component 4 and driving medium 2 are independent each other, both can independently rotate respectively, mutual noninterference.

First lockhole 41 has been seted up on executive component 4, second lockhole 21 has been seted up on driving medium 2, first lockhole 41 can just be to second lockhole 21, it is provided with lockpin 96 to slide in the second lockhole 21, sliding lock pin 96, lockpin 96 can insert and establish in first lockhole 41 or break away from first lockhole 41, insert when lockpin 96 and establish in first lockhole 41, executive component 4 and driving medium 2 are fixed mutually, executive component 4 can rotate with driving medium 2 is synchronous, thereby reach the effect of handle and the separation and reunion of driving medium 2 through lockpin 96.

The shell 1 is also provided with a driving part 5 in a sliding manner, the outer end of the driving part 5 is provided with a latch tongue 6, the driving part 5 is slid, the latch tongue 6 can extend out of the shell 1 or retract into the shell 1, a first elastic part 92 is arranged between the driving part 5 and the shell 1, and the latch tongue 6 is forced to extend out of the shell 1 by the first elastic part 92. The latch bolt 6 is conical in overall structure, and the latch bolt 6 can be retracted into the machine shell 1 under the action of lateral force.

When the bolt is applied to the split doors, the bolt is arranged on one single door, when the other single door is opened, the oblique tongue 6 is exposed out of the side surface of the single door under the action of the first elastic piece 92, when the two single doors are closed, the side surface of the other single door is attached to the side surface of the single door provided with the bolt, and the oblique tongue 6 is pressed into the shell 1 by the other single door.

The driving member 5 is connected to the lock pin 96 in a transmission manner, and the driving member 5 can directly drive the lock tongue 3 to slide, while in the embodiment, the driving member 5 and the lock pin 96 realize transmission through a similar cam mechanism. When the latch 6 is retracted in the housing 1, the latch 96 is disengaged from the first latch hole 41, and when the latch 6 is extended out of the housing 1, the latch 96 is inserted in the first latch hole 41.

The bolt is applied to the split doors, the bolt is installed on a single door, the handle can be installed on the executing part 4, the latch bolt 6 can be exposed out of the side face of the single door, when another single door is opened, the latch bolt 6 extends out under the action of the elastic part, the lock pin 96 fixes the transmission part 2 and the executing part 4 together, the user can retract the lock bolt 3 into the shell 1 through the handle, the unlocking is completed, when the two single doors are closed together, the latch bolt 6 is pressed into the shell 1 through the other single door, the lock pin 96 is separated from the first lock hole 41, the executing part 4 and the transmission part 2 are mutually independent, the handle can only idle, the user can open the single door provided with the bolt only by opening the other single door first, the two single doors are opened in sequence, and the problem that the door cannot be opened or even is damaged is avoided.

The rotation motion of the transmission piece 2 can be converted into the linear motion of the bolt 3 through a crank block mechanism, a cam mechanism, a connecting rod mechanism, a ball screw and other transmission mechanisms. In this embodiment, the rotational motion of the transmission member 2 is converted into the linear motion of the lock tongue 3 through the structures of the gear 91 and the rack 31, the transmission member 2 is formed with arc-shaped teeth 22, the gear 91 is rotatably disposed in the casing 1, the gear 91 is engaged with the arc-shaped teeth 22, two sides of the gear 91 are both provided with the lock tongues 3, two lock tongues 3 are respectively disposed on two sides of the gear 91, the rack 31 is formed on the lock tongue 3, the rack 31 is engaged with the gear 91, when the transmission member 2 rotates, the gear 91 can rotate on the casing 1, two lock tongues 3 can synchronously extend out of the casing 1 or retract into the casing 1, specifically, two lock tongues 3 respectively extend out of the upper and lower sides of the casing 1 or retract inwards from the upper and lower sides of the casing 1, the structural strength during locking is further improved, and the safety performance is improved.

The driving piece 5 is provided with an inclined surface 81, the housing 1 is further provided with a driven piece 7 in a sliding mode, the sliding direction of the driven piece 7 and the sliding direction of the lock pin 96 can be on the same straight line, the sliding direction of the driving piece 5 and the sliding direction of the driven piece 7 are orthogonal, the driven piece 7 is kept in contact with the inclined surface 81, the lock pin 96 is kept in contact with the driven piece 7, and the driven piece 7 and the lock pin 96 can be kept in contact with the inclined surface 81 and the driven piece 7 in modes of elastic pieces, gravity and the like. When the driving part 5 slides, the driven part 7 can slide on the casing 1, so as to drive the lock pin 96 to be inserted into the first lock hole 41 or to be separated from the first lock hole 41.

The driven part 7 is provided with an arc-shaped surface 71, the arc-shaped surface 71 is integrally formed on the driven part 7, the bolt keeps abutting against the arc-shaped surface 71, the bolt can keep abutting against the arc-shaped surface 71 under the action of gravity, the arc-shaped surface 71 surrounds the outer side of the transmission part 2, when the transmission part 2 rotates, the bolt slides on the arc-shaped surface 71, and the arc-shaped surface 71 enables the bolt to keep separating from the first lock hole 41 or keep inserting in the first lock hole 41, so that the working reliability is further guaranteed.

The driving part 5 is fixedly provided with a cone 8, the inclined plane 81 is the side surface of the cone 8, the cone 8 is transversely arranged on the driving part 5, all the tapers of the side surface of the cone 8 are consistent, and the cone 8 can not influence the movement of the driven part 7 after rotating.

The latch bolt 6 is hinged on the driving part 5, when the latch bolt is installed on a single door with a left door or a right door for use, the latch bolt 3 can be subjected to lateral force of the front side or the rear side, and the latch bolt 6 has good guiding effect on the lateral force in different directions.

The number of the oblique tongues 6 is two, the two oblique tongues 6 are arranged on the driving piece 5 in a crossed manner, and the two oblique tongues 6 are arranged on the driving piece 5 along the same axial direction.

The integral structure of the driving part 5 is a rod piece, the latch tongue 6 is hinged at the outer end of the driving part 5, the cone 8 is fixedly arranged at the inner end of the driving part 5, the first elastic part 92 is sleeved on the driving part 5, one end of the first elastic part 92 is connected to the casing 1, and the other end of the first elastic part 92 is connected to the driving part 5.

The left side of the casing 1 is provided with a first opening 111, the latch 6 can extend out of the casing 1 or retract into the casing 1 through the first opening 111, the upper end and the lower end of the casing 1 are provided with second openings 13, and the two latches 3 can extend out of the casing 1 or retract into the casing 1 through the second openings 13 at the upper end and the lower end of the casing 1.

The driving member 2 is provided with a counter bore 23, the actuating member 4 is adapted to rotate in the counter bore 23, the first lock hole 41 is formed in the side surface of the actuating member 4, and the second lock hole 21 is formed in the side surface of the driving member 2, so that the structure compactness is further improved.

A second elastic member 93 is arranged between the bolt 3 and the casing 1, one end of the second elastic member 93 is connected to the bolt 3, the other end of the second elastic member 93 is connected to the casing 1, and the second elastic member 93 forces the bolt 3 to extend out of the casing 1.

A third elastic member 94 is arranged between the driven member 7 and the casing 1, the third elastic member 94 forces the driven member 7 to keep abutting against the inclined surface 81, the whole structure of the driven member 7 is a rod member, the third elastic member 94 is sleeved on the driven member 7, one end of the third elastic member 94 is connected to the casing 1, and the other end of the third elastic member 94 is connected to the driven member 7.

The first elastic member 92, the second elastic member 93 and the third elastic member 94 are all coil springs.

The follower 7 is a special-shaped rod, an inner cover 95 is fixedly arranged in the machine shell 1, and the follower 7 is arranged between the inner cover 95 and the machine shell 1 in a sliding mode, so that circumferential rotation of the follower rod is avoided.

The casing 1 comprises a panel 11 and a casing 12, the panel 11 and the casing 12 are matched to form the casing 1 and a second opening 13, a first opening 111 is specifically formed in the panel 11, a first through hole 121 is specifically formed in the casing 12, the panel 11 can be fixed on the casing 12 through bolts, an executing part 4, a transmission part 2, a gear 91, a bolt 3, a driving part 5, a driven part 7, a latch 6 and an inner cover 95 are all installed between the panel 11 and the casing 12, and therefore assembly of parts is facilitated.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A bolt is characterized by comprising a shell (1), wherein a transmission piece (2) is rotatably arranged on the shell (1), a bolt (3) is also slidably arranged on the shell (1), the bolt (3) is in transmission connection with the transmission piece (2), the transmission piece (2) is rotated, and the bolt (3) can extend out of the shell (1) or retract into the shell (1);

the machine shell (1) is further rotatably provided with an executing part (4), the executing part (4) and the transmission part (2) are coaxial rotating bodies, the executing part (4) and the transmission part (2) are respectively provided with a first locking hole (41) and a second locking hole (21), a lock pin (96) is arranged in the second locking hole (21) in a sliding mode, the lock pin (96) can be inserted into the first locking hole (41) or separated from the first locking hole (41), and when the lock pin (96) is inserted into the first locking hole (41), the executing part (4) can rotate synchronously with the transmission part (2);

the shell (1) is also provided with a driving part (5) in a sliding manner, the driving part (5) is provided with an inclined tongue (6), the driving part (5) slides, the inclined tongue (6) can extend out of the shell (1) or retract into the shell (1), a first elastic part (92) is arranged between the driving part (5) and the shell (1), and the first elastic part (92) forces the inclined tongue (6) to extend out of the shell (1);

the driving piece (5) is in transmission connection with the lock pin (96), when the latch bolt (6) is contracted in the machine shell (1), the lock pin (96) is separated from the first lock hole (41), and when the latch bolt (6) extends out of the machine shell (1), the lock pin (96) is inserted in the first lock hole (41).

2. A bolt according to claim 1, characterised in that the driving member (5) is provided with a ramp (81) and the housing (1) is further slidably provided with a follower (7), the follower (7) being held in abutment against the ramp (81) and the latch pin (96) being held in abutment against the follower (7).

3. A bolt according to claim 2, characterised in that the follower (7) is provided with an arcuate surface (71), the bolt being held in abutment against the arcuate surface (71), the bolt sliding on the arcuate surface (71) as the driving member (2) rotates, the arcuate surface (71) causing the bolt to remain disengaged from the first locking hole (41) or to remain inserted in the first locking hole (41).

4. A bolt according to claim 2 or 3, characterised in that the driving member (5) is fixedly provided with a cone (8), and the inclined surface (81) is the side of the cone (8).

5. The latch according to claim 1, wherein the driving member (2) is formed with arc-shaped teeth (22), a gear (91) is rotatably disposed in the case (1), the gear (91) is engaged with the arc-shaped teeth (22), the latch tongues (3) are disposed on both sides of the gear (91), a rack (31) is formed on the latch tongues (3), the rack (31) is engaged with the gear (91), and when the driving member (2) rotates, the gear (91) can drive the latch tongues (3) on both sides to synchronously extend out of the case (1) or retract into the case (1).

6. The latch according to claim 1 or 5, wherein a first opening (111) is formed in the left side of the housing (1), the latch tongue (6) can extend out of the housing (1) or retract into the housing (1) through the first opening (111), a second opening (13) is formed in the upper end or/and the lower end of the housing (1), and the latch tongue (3) can extend out of the housing (1) or retract into the housing (1) through the second opening (13).

7. A bolt according to claim 1 characterised in that a second resilient member (93) is provided between the bolt (3) and the housing (1), the second resilient member (93) urging the bolt (3) to extend outside the housing (1).

8. A bolt according to claim 1, characterised in that the latch tongue (6) is hinged to the active member (5).

9. A bolt according to claim 8, characterised in that there are two tongues (6), and that the two tongues (6) are arranged crosswise on the active part (5).

10. A bolt according to claim 1, characterised in that the driving member (2) is provided with a counter bore (23), the actuating member (4) being adapted to rotate in the counter bore (23).