CN210888464U - Improved manual world bolt mechanism - Google Patents

Abstract

The utility model relates to a manual world bolt mechanism of modified, which comprises a housin, relative up-and-down slip sets up and locks bolt spare and lower bolt spare in the casing, it is by handle and driving medium transmission to lock bolt spare and lower bolt spare, be equipped with the location traveller under on the bolt spare, location traveller and locating plate sliding location cooperation, the one end of locating plate can be swung and fix a position on the casing, the inclined hole has been seted up on the locating plate, location traveller activity is pegged graft in the inclined hole, it sets up the arm-tie that resets to slide on the casing of bolt spare below down, the other end of locating plate is connected on the arm-tie that resets, be equipped with the extension spring that resets on the arm-tie that resets, the end connection of the arm-tie that. The upper latch piece and the lower latch piece can retract simultaneously when the handle is pulled, the retraction state is maintained through the positioning matching of the positioning sliding column and the inclined hole, the door leaf can be opened, the upper latch piece and the lower latch piece on the push button can extend out of the locking door leaf simultaneously when the reset push button is pushed, and the door leaf has the advantages of simple and compact structure, convenience in operation and use and high reliability.

Description

Improved manual world bolt mechanism

Technical Field

The utility model relates to a manual world bolt mechanism of modified.

Background

The world bolt is a hardware that prevents the opening of the sub-door of the double door, and the world bolt is named after being installed at the top or the bottom of the door panel. The existing various world bolts usually comprise an upper pin and a lower pin which move reversely and are inserted into corresponding pin holes for locking, and the common bidirectional world bolts are driven by a gear rack, so that gears are easy to wear and slip, the service life is short, the structure is complex, the reliability in use is low, and the operation is inconvenient.

Disclosure of Invention

In order to overcome among the prior art ordinary world bolt structural design complicated relatively, the reliability is lower, and the gear is worn and torn easily and is skidded, and life is short, operates also problem that is not very convenient, the utility model provides a manual world bolt mechanism of modified, this manual world bolt mechanism's of modified simple structure is compact, operation convenient to use, reliability height.

The utility model provides a technical scheme that its technical problem adopted is: the novel bolt resetting device comprises a housin, relative sliding setting is locked bolt spare and lower bolt spare from top to bottom in the casing, it is driven by handle and driving medium to lock bolt spare and lower bolt spare, be equipped with the location traveller under on the bolt spare, location traveller and locating plate sliding location cooperation, the one end of locating plate can be swung and fix a position on the casing, the inclined hole has been seted up on the locating plate, the activity of location traveller is pegged graft in the inclined hole, slide on the casing of bolt spare below under and set up the arm-tie that resets, the other end of locating plate is connected on the arm-tie that resets, be equipped with the extension spring that resets on the arm-tie that resets, the end connection of.

A fixed pin is arranged in the shell, one end of a reset tension spring is fixed on the fixed pin, and the other end of the reset tension spring is fixed on a reset pull plate; one end of the reset push button is hinged on the fixed pin, and the other end of the reset push button is clamped with the clamping groove arranged on the reset pull plate.

The positioning sliding column and the lower latch piece are arranged in parallel and are connected into a whole in a U shape.

The lower part of the upper locking bolt piece in the shell is provided with a reset spring, the upper locking bolt piece and the lower locking bolt piece form mutual linkage matching through a hinge piece hinged on the shell, the upper locking bolt piece is shifted by a transmission piece hinged on the shell, and one end of the transmission piece is connected with the handle.

An upper shifting column is arranged on the upper lock bolt piece, a lower shifting column is arranged on the lower lock bolt piece, and two ends of the hinged piece are in linkage fit with the upper shifting column and the lower shifting column through shifting grooves.

The utility model discloses an above-mentioned specific design, the bolt spare and the lower bolt spare of locking during the pulling handle can contract simultaneously to the location fit through location traveller and inclined hole maintains the state of contracting, and the door leaf can be opened, and the door leaf need be closed the shutting regularly, promotes to reset and pushes away the location fit that the button removed location traveller and inclined hole, and the locking door leaf can be stretched out simultaneously to the bolt spare of locking and lower bolt spare, has simple structure compactness, operation convenient to use, good reliability's advantage.

Drawings

The detailed contents of the present invention will be described below with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the upper latch member, the lower latch member and the hinge plate of the present invention.

Fig. 3 is a schematic structural view of the middle reset pulling plate of the present invention.

Detailed Description

As shown in the drawing, the utility model discloses a casing 1, relative up-down slip sets up upper latch spare 2 and lower latch spare 3 in casing 1, upper latch spare 2 and lower latch spare 3 are driven by handle 10 and driving medium 11, be equipped with location traveller 4 on lower latch spare 3, location traveller 4 and the cooperation of locating plate 5 sliding location, the one end of locating plate 5 can be swung and fix a position on casing 1, inclined hole 6 has been seted up on locating plate 5, location traveller 4 activity is pegged graft in inclined hole 6, it sets up the arm-tie 7 that resets to slide on casing 1 of lower latch spare 3 below, the other end of locating plate 5 is connected on the arm-tie 7 that resets, above-mentioned connection can be set up bayonet 23 on the arm-tie 7 that resets, the other end inlay of locating plate 5 is in bayonet 23, still be equipped with extension spring 8 that resets on the arm-tie 7, the end connection of arm-tie 7 that resets pushes away button 9 that resets. A fixing pin 12 is arranged in the shell 1, one end of a reset tension spring 8 is fixed on the fixing pin 12, and the other end of the reset tension spring is fixed on the reset pull plate 7; one end of the reset push button 9 is hinged on the fixed pin 12, and the other end is clamped with a clamping groove 13 arranged on the reset pull plate 7. The positioning slide 4 and the lower latch member 3 are arranged in parallel and are U-shaped integrally. The lower part of an upper latch part 2 in a shell 1 is provided with a return spring 14, the upper latch part 2 and a lower latch part 3 are mutually linked and matched through a hinge piece 15 hinged on the shell 1, the upper latch part 2 is provided with a linkage groove 22, the upper latch part 2 is shifted by a transmission part 11 hinged on the shell 1 through the linkage groove 22, one end of the transmission part 11 is connected with a handle 10, the handle 10 and the transmission part 11 can be hinged through a hinge shaft 20, and a torsion spring 21 is arranged outside the hinge shaft 20. An upper shifting column 16 is arranged on the upper lock bolt piece 2, a lower shifting column 17 is arranged on the lower lock bolt piece 3, and two ends of the hinge piece 15 are in linkage fit with the upper shifting column 16 and the lower shifting column 17 through a shifting groove 18. In the normal locked closed state of the sub door, the outer locking pieces 19 of the upper and lower latch members 2 and 3 are locked with the door frame, and the main door can be normally opened and closed. When the auxiliary door is opened, the upper end of the handle 10 is firstly pressed down, the lower end of the handle 10 is popped up due to the action of the hinge shaft 20 to be convenient for holding by hand, after the handle 10 is held to continue rotating, the transmission piece 11 hinged on the shell 1 rotates and stirs the upper latch piece 2 to move downwards, the return spring 14 is compressed, meanwhile, the lower latch piece 3 moves upwards through the linkage matching of the poking groove 18 in the hinge piece 15, the upper poking column 16 and the lower poking column 17, when the lower latch piece 3 moves upwards, the positioning sliding column 4 slides in the inclined hole 6 at the same time, the external locking piece 19 retracts relatively to separate from the door frame, after the handle 10 is released, the return force of the return spring 14 reversely acts on the upper latch piece 2, the lower latch piece 3 and the positioning sliding column 4, the positioning sliding column 4 and the inclined hole 6 are matched and locked, and the upper latch piece 2 and the lower latch piece 3 can. When the auxiliary door needs to be locked after being closed, the reset push button 9 is pushed to enable the reset pull plate 7 to slide, the reset pull plate 7 drives the positioning plate 5 to swing through the bayonet 23, the matched locking of the positioning sliding column 4 and the inclined hole 6 is released, the reset force of the reset spring 14 reversely acts on the upper latch piece 2, the transmission piece 11 and the lower latch piece 3, the upper latch piece 2 and the lower latch piece 3 are reversely popped out, and the auxiliary door is locked with the door frame. The above-mentioned embodiment is only to describe the preferred embodiment of the manual world bolt mechanism of the utility model, not to limit the conception and scope of the utility model, under the premise of not deviating from the scheme of the utility model, the skilled person in the art is right the utility model discloses a various appearance variations and improvements that technical scheme made all fall into the protection scope of the manual world bolt mechanism of the utility model.

Claims (5)

1. The utility model provides a manual world bolt mechanism of modified, which comprises a housin, relative upper and lower slip setting is locked bolt spare and lower bolt spare in the casing, it is by handle and driving medium transmission to lock bolt spare and lower bolt spare, characterized by is equipped with location traveller (4) on bolt spare (3) down, location traveller (4) and locating plate (5) sliding positioning cooperation, the one end of locating plate (5) can be swung and fix a position on casing (1), inclined hole (6) have been seted up on locating plate (5), location traveller (4) activity is pegged graft in inclined hole (6), it resets arm-tie (7) to slide to set up on casing (1) of bolt spare (3) below down, the other end of locating plate (5) is connected on the arm-tie (7) that resets, be equipped with extension spring (8) that resets on arm-tie (7), the end connection of arm-tie (7) that resets pushes away button (9).

2. An improved manual world bolt mechanism according to claim 1 wherein, a fixed pin (12) is arranged in the housing (1), one end of the reset tension spring (8) is fixed on the fixed pin (12), and the other end is fixed on the reset pulling plate (7); one end of the reset push button (9) is hinged on the fixed pin (12), and the other end is clamped with a clamping groove (13) arranged on the reset pull plate (7).

3. An improved manual world bolt mechanism according to claim 1 or 2 wherein the positioning slide (4) and the lower bolt member (3) are parallel and U-shaped integrally.

4. An improved manual world bolt mechanism according to claim 3 wherein the lower part of the upper latch member (2) is provided with a return spring (14) within the housing (1), the upper latch member (2) and the lower latch member (3) are in interlocking engagement with each other by means of a hinged tab (15) hinged to the housing (1), the upper latch member (2) is moved by a driving member (11) hinged to the housing (1), one end of the driving member (11) is connected to the handle (10).

5. An improved manual top and bottom bolt mechanism as claimed in claim 4, wherein the upper latch member (2) is provided with an upper shifting post (16), the lower latch member (3) is provided with a lower shifting post (17), and two ends of the hinge plate (15) are in linkage fit with the upper shifting post (16) and the lower shifting post (17) through shifting grooves (18).

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