CN101200983A - Door latch - Google Patents

Abstract

The invention provides a latch, consisting of a shell body (1), a latch bolt (17), a latch bolt plate (11), and a follower (21), wherein the latch bolt plate (11) is mounted inside the shell body (1) and is slidable; the follower (21) is mounted in the shell body (1) and is rotary around a shaft. The follower (21) and the latch bolt plate (11) are designed in such a way that the latch bolt plate (11) moves to allow the latch bolt (17) to be inserted in the shell body (1) as the follower (21) rotates in any direction.

Description

Bolt

Technical field

The present invention relates to bolt and the door lock of Men Ti etc., particularly the double acting bolt.

Background technology

Anti-disability is discriminated against the bill statement, the furniture of all styles, and its mode of reaching must not be discriminated against physical disabilities, even the serious physical disabilities of arm are lost in amputation.Its disclosed form has been listed others power that can bear of aspect opening the door all ages and classes and property, must consider this.This type of new demand is applicable to the owned building that public Ke Da reaches.

Summary of the invention

The object of the present invention is to provide a kind of bolt that satisfies this type of new demand.

According to the present invention, a kind of bolt is provided, it includes a housing, one bolt latch, one is installed on the bolt pinboard in the housing, and one can the pivot mode being installed on the driven member in the housing, wherein said driven member and bolt pinboard be designed to when described driven member when either direction is rotated, the bolt pinboard is moved into can be with bolt latch retraction housing.

Described driven member can be rotated by a rotating shaft, and described rotating shaft is to be arranged in described driven member one square cross-section hole.Leader or knob are mounted to the end that can grasp described rotating shaft.By the present invention, the door body that bolt of the present invention is installed can be via holding up or pressing down described handle, makes the retraction of bolt latch and open.

Foundation bolt of the present invention can set the driven member back-moving spring of different elastic force, for example, holds up the required power that applies of doors body handle and is able to less than the required power that applies of depression of handle.Or, but the single driven member spring of beidirectional one can be set.

According to a preferred embodiment of the present invention, a pair of slave arm is to be installed on the described driven member, wherein a slave arm can press on one first depression or hole in the described bolt pinboard, and another slave arm then can press on depression of one second in the bolt pinboard or hole.

The preferably is, described driven member is provided with the radially teat or the prominent key of projection, each slave arm then is provided with a deep-slotted chip breaker, insert for prominent key, by this when driven member rotates according to a certain direction, it can act on a wherein slave arm, and described arm is pivoted, simultaneously the deep-slotted chip breaker slippage in another slave arm of described prominent key complex edge; And when driven member rotated according to other direction, it then acted on described another slave arm, and described arm is pivoted, simultaneously the deep-slotted chip breaker slippage in the described wherein slave arm in described prominent key complex edge.

The preferable hole that is provided with of bolt pinboard, and the preferable latching that is provided with of each slave arm, and make described latching be arranged in a bolt pinboard hole separately.

The bolt latch is preferable can the pivot mode being installed on the bolt pinboard, described bolt latch is overturn, so that carry out the right hand or left-handed operation.

Be provided with one and be installed on forestock on the housing according to bolt of the present invention is preferable with removably.According to a preferred embodiment of the present invention, under the normal condition of bolt, the bolt pinboard can be by screw institute contact.If wish the described bolt latch of upset, then can take off described forestock and screw thereof, and allow the bolt pinboard be moved to an ad-hoc location, make the bolt latch deviate from housing and turning.But overline mounting screw after this, the bolt of the contact once again pinboard that makes, and overline is installed forestock.What can recognize is that this kind setting is overturn the bolt latch, and need not to open housing or need not described housing is taken off on the door body of being installed.This measure is of value to the door body that bolt or door lock have been installed especially in factory before being transported to the infield.

Description of drawings

Fig. 1 is the lateral view of an embodiment of bolt of the present invention, and figure middle shell cover plate has been removed, to show inner all assemblies; And

Fig. 2 is the broken section end-view of the bolt shown in Fig. 1.

Description of reference numerals: 1 housing; 2 inner forestocks; 3 outside forestocks; 4 spiral shell lamps; 6 bolt springs (low elastic spring); 7 pillars; 10 perforations; 13 holes; 14 holes; 15 guide grooves; 16 roofbolts; 17 bolt latches; 18 latchings; 19 bodies of rod; 21 driven members; 22 prominent keys; 23 holes; 24,25 slave arms; 26 deep-slotted chip breakers; 27 deep-slotted chip breakers; 28 springs; 29 springs; 31 cramp bars; 32 cramp bars; 33 bent subs; 34 bent subs; 35 baffle plates; 36 baffle plates; 38 latchings; 38 latchings; 42 bolt latches; 43 card posts; 44 keyholes; 45 cylinders; 46 screws; 47 deep-slotted chip breakers.

The specific embodiment

To do detailed explanation to the present invention by way of example and with reference to accompanying drawing at this.

Referring to accompanying drawing, include a housing 1 according to bolt of the present invention, a latter and inner forestock 2 is installed makes an outside forestock 3 be able to be fixed in this by screw 4.One bolt pinboard 11 is installed in the housing 1 in the mode of slip, and described bolt pinboard has a cylinder 12.One roofbolt 16 rotatably is installed in the cylinder 12, and a bolt latch 17 then is linked in described roofbolt by a latching 18.Bolt pinboard 11 still is provided with two and is essentially leg-of- mutton hole 13 and 14 and one guide groove 15.One body of rod 19 that stretches out from housing 1 base portion is to be positioned at described guide groove 15 and in order to guide the motion of described bolt pinboard 11.

One driven member 21 is for having radially a teat or a prominent key 22, it pivotally is installed in the housing 1, and the hole 23 with a square cross-section for taking in a rotating shaft, makes the latter's one or both ends be consolidated in leader or knob (figure does not show).A pair of slave arm 24 and 25 is to be installed on the driven member 21, and its pivot relatively.Each slave arm 24,25 has a deep-slotted chip breaker 26,27 respectively, and prominent key 22 is inserted wherein.Described prominent key is the lower end that is arranged in slave arm 24 deep-slotted chip breakers 26, and is arranged in the upper end of slave arm 25 deep-slotted chip breakers 27 down.A pair of spring 28 and 29 is installed on respectively on separately the cramp bar 31,32, and the latter then is connected with a bent sub 33,34 that is arranged in the slave arm 24,25 that is associated separately.Described bent sub is able to pivot with respect to the slave arm that is associated by cramp bar, makes adjustable angle whole by this, aims at well at the baffle plate 35,36 of shell wall 37 front portions of housing 1 with the position to guarantee spring 28 and 29.Each slave arm 24,25 also has latching 38,39 separately respectively, and described latching lays respectively in the bolt pinboard 11 in the corresponding perforations 13,14.

Housing can pass that perforation 10 is installed on the body in the inner forestock 2 by screw (figure do not show), and is fixed in this.

Then, outside forestock 3 can be installed on the inner forestock 2 by screw 4.After housing was installed on the body and rotating shaft and handle install, described bolt can be stand-by.If hold up handle this moment, described driven member 21 will rotate with counter-clockwise direction, and as shown in Figure 1, and described prominent key 22 will be along deep-slotted chip breaker 26 slippages in the last slave arm 24.Yet in this simultaneously, described prominent key will make down slave arm 25 pivot according to counter-clockwise direction.Corresponding latching 39 will compress described bolt pinboard 11 in the hole 14, and moving right of making, as shown in Figure 1, described bolt latch 17 is moved to retraction or the retracted position that is in the housing 1.Simultaneously, driven member back-moving spring 29 will be compressed.When release handle, spring 29 flicks overline, and makes all assemblies of bolt return as shown in fig. 1 each position.

If depression of handle but not when holding up, then driven member will be docile and obedient the clockwise rotation, as shown in the figure, and prominent key 22 will be along deep-slotted chip breaker 27 slippages in the slave arm 25 down.In this simultaneously, described prominent key will make slave arm 24 be docile and obedient clockwise and pivot, and corresponding latching 38 will compress bolt pinboard 11 in the hole 13.The bolt pinboard will move right once again, make the retraction of bolt latch with the effect that overcomes spring 28.Similarly, when release handle, spring 28 flicks overline, and makes all assemblies of bolt return as shown in fig. 1 each position.

This shows, the bolt latch 17 in the bolt of the present invention, its retraction both can be again by holding up the handle on the door body that described bolt installs by depressing described handle.Moreover, by giving a free-standing spring separately, can select different elastic force on demand to two driven members.

The body of rod 19 in the bolt pinboard 11 in the guide groove 15 not only is used to guide the sliding motion of bolt pinboard in housing, also is used to limit the moving range of described bolt pinboard.One low elastic spring 6 is installed on the pillar 7, and it is with the cylinder 12 of an end contact bolt pinboard 11, and with the inner forestock 2 of other end contact.Described pillar 7 is used for housing cover 5 (see figure 2)s are positioned housing.Housing 1 still offers an installing hole, and for the usefulness that bolt passes furniture, then described bolt also will pass hole arranged side by side with described installing hole on the described housing cover 5, fix described housing cover by this and (not be shown among the figure) on housing.Described installing hole 8 and the installing hole that is positioned at the correspondence on the cover plate can be microscler.

Bolt pinboard 11 still is provided with a cylinder 45, and it can be 46 contacts of screw that are screwed into a screw in the inner forestock 2.Go out screw 4 by spiral shell and take off outside forestock 3 turning bolt latches, then screw 46 can go out by spiral shell, allow bolt spring 6 be able to bolt pinboard 11 is moved to an ad-hoc location by this, make bolt latch 17 deviate from inner forestock 2, and can overturn for 180 ° by the rotation of inciting somebody to action easily.But the overline mounting screw 46 afterwards, so that bolt pinboard 11 and bolt latch 17 return to the usual position of they, what continue is that available screw 4 overlines are installed outside forestock 3.

Housing still is provided with deep-slotted chip breaker 47, in order to guide the latching 38 and 39 on described slave arm 24 and 25.

One square bolt latch 42 also can be set, and it has many card posts 43, and it matches with a key that inserts in the keyhole 44.Perhaps, a lock core cylinder formula key can be set.In two situations in any, square bolt latch can be arranged in housing bolt pinboard above or below.For square bolt latch assembly, its structure and mode of operation are prior art, and are easily understood by those skilled in the art.

The use of stand alone type driven member back-moving spring, has a significant advantage, because upside spring 28 can be strong, be used in the furniture of no spring door body by this, and downside spring 29 sides can be light power type (because handle is held up in this case, thereby will under action of gravity, reset), make described handle be able to easily to be held up by children, old man and/or disabled.

The present invention is confined to the foregoing description absolutely not, can make all modifications or change certainly under the prerequisite that does not depart from the scope of the invention.

Claims (9)

1. bolt, it is characterized in that: include a housing, one bolt latch, one is installed on the bolt pinboard in the housing, and one can the pivot mode to be installed on the driven member in the housing, wherein said driven member and described bolt pinboard be designed to when described driven member when either direction is rotated, described bolt pinboard is moved in the described housing of described bolt latch retraction.

2. bolt as claimed in claim 1 is characterized in that: described driven member is rotated by a rotating shaft, and described rotating shaft is to be arranged in described driven member one square cross-section hole.

3. bolt as claimed in claim 1 is characterized in that: described bolt is equipped with the driven member back-moving spring of different elastic force, rotates the required power of described driven member to a certain direction by this, will be greater than rotate the required power of described driven member to other direction.

4. bolt as claimed in claim 1, it is characterized in that: a pair of slave arm more is installed on the described driven member, wherein a slave arm presses on depression of one first in the described bolt pinboard or hole, and another slave arm then presses on depression of one second in the described bolt pinboard or hole.

5. bolt as claimed in claim 4, it is characterized in that: described driven member is provided with the radially teat or the prominent key of projection, each slave arm then is provided with one for the deep-slotted chip breaker that holds described prominent key, by this when described driven member rotates according to a certain direction, it can act on a wherein slave arm, described arm is pivoted, simultaneously the deep-slotted chip breaker slippage in another slave arm of described prominent key complex edge; And when driven member rotated according to other direction, it then acted on described another slave arm, and described arm is pivoted, simultaneously the deep-slotted chip breaker slippage in the described slave arm in described prominent key complex edge.

6. bolt as claimed in claim 4 is characterized in that: described bolt pinboard is provided with hole, and each slave arm is provided with a latching, and described latching is to be arranged in the corresponding hole of described bolt pinboard.

7. bolt as claimed in claim 1 is characterized in that: described bolt latch is can the pivot mode being installed on the described bolt pinboard.

8. bolt as claimed in claim 7 is characterized in that: during bolt usual, described bolt pinboard is a screw institute contact.

9. bolt as claimed in claim 8 is characterized in that: include a forestock, described forestock is to be installed on the housing with removably, when described forestock after taking off on the housing, the described screw with a head promptly reach from the outside of described housing and.

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