CN215255254U - Spring bolt subassembly and lock body - Google Patents

Abstract

The utility model discloses a lock tongue component and a lock body, wherein the lock tongue component comprises a mounting seat, a lock tongue, a locking mechanism and a driving mechanism, and the mounting seat is provided with a mounting cavity; the lock tongue is arranged in the mounting cavity, the lock tongue is connected with the mounting seat in a sliding manner, and the lock tongue is provided with a clamping groove; the locking mechanism is arranged on the mounting seat and is provided with a clamping block which is in buckling fit with the clamping groove in the first direction; the driving mechanism is used for driving the locking mechanism to act so as to enable the clamping block to be buckled in the clamping groove or separated from the clamping groove. The utility model discloses can improve the structural strength of spring bolt, the pick-proof is effectual, and the security is high, and the whole change of being convenient for can be applied to multiple lock body.

Description

Spring bolt subassembly and lock body

Technical Field

The utility model belongs to the technical field of the tool to lock technique and specifically relates to a spring bolt subassembly and lock body are related to.

Background

The bolt of current lock simple structure, no matter be monomer latch bolt or big small-size combination formula latch bolt all relatively poor, prized easily or easily receive the impact and destroy, the pick-proof effect is poor, has the potential safety hazard, the change of being not convenient for, can't adapt to multiple lock body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least.

Therefore, the utility model provides a spring bolt subassembly can improve the structural strength of spring bolt, and the pick-proof is effectual, and the security is high, and the whole change of being convenient for can be applied to multiple lock body.

The utility model also provides a lock body of having above-mentioned spring bolt subassembly.

According to the utility model discloses a spring bolt subassembly of first aspect embodiment includes: the mounting seat is provided with a mounting cavity; the spring bolt is arranged in the mounting cavity, is in sliding connection with the mounting seat and is provided with a clamping groove; the locking mechanism is arranged on the mounting seat and is provided with a clamping block which is in buckling fit with the clamping groove in the first direction; and the driving mechanism is used for driving the locking mechanism to act so as to enable the clamping block to be buckled in the clamping groove or separated from the clamping groove.

The technical scheme at least has the following beneficial effects: through the fixture block of locking mechanical system and the draw-in groove lock joint cooperation of spring bolt, increase the removal restriction to the spring bolt to increase the bulk strength of spring bolt, avoid the spring bolt easily to be prized or destroyed by the impact, can improve the security of lock body when being applied to the lock body, the whole change is convenient, and can be applied to multiple lock body.

According to the utility model discloses a some embodiments, the mount pad is provided with the card hole, the fixture block can wear to locate the card hole.

According to some embodiments of the utility model, the draw-in groove with the fixture block is sliding fit in the second direction, the second direction with the spring bolt with the sliding fit direction of mount pad is the same.

According to some embodiments of the utility model, locking mechanical system includes two locking pieces, two the locking piece all rotate install in mount pad and symmetry set up in the both sides of spring bolt, two the locking piece linkage cooperation.

According to some embodiments of the invention, the locking member is provided with a first toothing, and the locking member is provided with a second toothing meshing with the first toothing.

According to some embodiments of the utility model, actuating mechanism is including dialling piece and second reset spring, dial the piece rotate install in the mount pad, second reset spring and two the locking piece is connected, dial the piece and can stir the locking piece rotates so that the fixture block with the draw-in groove lock joint, second reset spring can drive the locking piece rotates so that the fixture block breaks away from the draw-in groove.

According to the utility model discloses a some embodiments, the spring bolt with be provided with first reset spring between the mount pad, first reset spring can drive the spring bolt stretches out the installation cavity.

According to some embodiments of the utility model, the spring bolt is provided with and holds the chamber, hold the internal diameter in chamber with first reset spring's external diameter matches, part first reset spring holding in hold the intracavity.

According to some embodiments of the utility model, the spring bolt includes tongue and tongue seat, the tongue with the tongue seat rotates to be connected, tongue seat sliding connection in the mount pad.

According to the utility model discloses a lock body of second aspect embodiment installs the spring bolt subassembly of this novel first aspect embodiment of use.

The technical scheme at least has the following beneficial effects: install above-mentioned spring bolt subassembly, the structural strength of spring bolt is high, can increase the overall structure intensity of lock body, prevents to be prized or is strikeed the destruction, improves the security of lock body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a latch bolt assembly in an embodiment of the present invention;

fig. 2 is an exploded view of the latch bolt assembly in the embodiment of the present invention;

fig. 3 is a schematic structural view of a side plate in an embodiment of the present invention;

fig. 4 is a schematic structural view of a locking member according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of the lock body in the embodiment of the present invention.

Reference numerals:

a lock body 10, a shell 11 and a bolt assembly 12;

the mounting base 100, the bottom plate 110, the positioning hole 111, the sliding groove 112, the rotating shaft 113, the side plate 120, the clamping hole 121, the positioning block 122, the mounting cavity 130, the first return spring 140, the toggle piece 150, the rotating plate 151 and the toggle rod 152;

the locking bolt 200, the tongue 210, the tongue seat 220, the projection 221, the slot 230 and the accommodating cavity 240;

the locking device comprises a locking piece 300, a clamping block 310, a shaft hole 320, a positioning column 330, a connecting rod 340, a first tooth portion 341, a second tooth portion 342 and a second return spring 350.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 and 2, an embodiment of the present invention provides a latch bolt assembly 12, including a mounting seat 100, a latch bolt 200, a locking mechanism (not shown in the drawings) and a driving mechanism (not shown in the drawings), wherein the mounting seat 100 includes a bottom plate 110 and a side plate 120, the side plate 120 is in a U-shaped structure, the bottom plate 110 is provided with a plurality of positioning holes 111, the side plate 120 is convexly provided with a plurality of positioning blocks 122 matching with the positioning holes 111, the side plate 120 is mounted on the bottom plate 110 by the positioning fit between the positioning holes 111 and the positioning blocks 122, the bottom plate 110 and the side plate 120 surround to form a mounting cavity 130, the latch bolt 200 is mounted in the mounting cavity 130, and the latch bolt 200 is slidably connected with the mounting seat 100, specifically, the latch bolt 200 includes a tongue portion 210 and a tongue seat 220, the tongue portion 210 is an oblique tongue, the tongue portion 210 is rotatably connected with the tongue seat 220 and is mounted in the mounting cavity 130, the tongue seat 220 is provided with a protrusion 221, the bottom plate 110 of the mounting seat 100 is provided with a sliding groove 112 matching with the protrusion 221, therefore, the tongue seat 220 is slidably connected with the mounting seat 100, and the tongue 210 can extend out of the mounting cavity 130 or retract into the mounting cavity 130 to realize locking or unlocking.

The mounting base 100 is further provided with a locking mechanism, the locking mechanism comprises two locking pieces 300, the bottom plate 110 of the mounting base 100 is provided with two rotating shafts 113, the middle parts of the two locking pieces 300 are respectively provided with shaft holes 320 matched with the rotating shafts 113, the locking member 300 is rotatably mounted to the mounting seat 100 by the engagement of the rotating shaft 113 and the shaft hole 320, and the two locking pieces 300 are symmetrically arranged at both sides of the locking bolt 200, the two locking pieces 300 are linked and matched to form a caliper type structure, one end of the locking piece 300 is snap-fit with the locking bolt 200, specifically, the two sides of the locking bolt 200 are symmetrically provided with clamping grooves 230, it can be understood that, when the locking bolt 200 is in the door locking state, the locking groove 230 extends from the tongue portion 210 to the bolt seat 220, one end of the locking member 300 near the locking bolt 200 is convexly provided with a latch 310 which is in lock joint with the locking groove 230, and the locking blocks 310 of the locking pieces 300 at both sides are symmetrically arranged and respectively matched with the locking grooves 230 at both sides of the locking bolt 200.

The mounting seat 100 is further provided with a driving mechanism, the driving mechanism comprises a toggle element 150 and a second return spring 350, wherein the toggle element 150 comprises a rotating plate 151 and a toggle rod 152, the toggle rod 152 is fixedly connected to the rotating plate 151, the toggle rod 152 is perpendicular to the rotating plate 151, the rotating plate 151 is rotatably mounted on the base plate 110, the toggle rod 152 is dislocated with one end of a locking element 300 thereof, which is far away from the lock tongue 200, the toggle rod 152 is positioned outside the locking element 300, and the toggle rod 152 is rotated through the rotating plate 151, so that the toggle rod 152 is pressed against the end of the locking element 300 from the outside, and the locking element 300 can be driven to rotate, and the fixture block 310 of the locking element 300 is separated from the clamping groove 230 of the lock tongue 200; it is understood that the rotating plate 151 may be connected to an output shaft of a motor (not shown) or a rotatably disposed door handle (not shown), so that the toggle member 150 may be driven to rotate electrically or manually; the second return spring 350 is connected between the two locking pieces 300, one end of the locking piece 300 away from the locking tongue 200 is provided with the positioning columns 330, the positioning columns 330 of the two locking pieces 300 are symmetrically arranged, two ends of the second return spring 350 are respectively sleeved on the two positioning columns 330, so as to prevent the second return spring 350 from being displaced and failing, and the structure is more compact, therefore, the second return spring 350 can drive the two locking pieces 300 to rotate in the opposite directions, so that the clamping blocks 310 of the two locking pieces 300 are respectively fastened to the clamping grooves 230 on two sides of the locking tongue 200 2.

The toggle element 150 toggles the locking element 300 to rotate and drives another locking element 300 to rotate, so that the latch 310 of the locking element 300 is disengaged from the slot 230 of the locking tongue 200, the tongue 210 can rotate relative to the tongue holder 220 conveniently, even if the door is opened, and the latch 310 can be quickly and again buckled in the slot 230 under the action of the second return spring 350 after the door is opened, so as to limit the rotation of the tongue 210 relative to the tongue holder 220; when the door is locked, the toggle element 150 removes the acting force on the locking elements 300, and both the locking elements 300 rotate in opposite directions under the acting force of the second return spring 350, so that the latch blocks 310 of the two locking elements 300 are respectively fastened to the latch grooves 230 at both sides of the latch tongue 200, and the buckled state is continuously maintained under the action of the second return spring 350, on one hand, the rotation of the tongue 210 relative to the tongue seat 220 is limited to achieve the door locking effect, on the other hand, the movement limitation of the locking bolt 200 in the normal direction of the base plate 110 is increased, the normal direction of the base plate 110 is the first direction, that is, the restriction of the movement of the latch bolt 200 in the direction of being pried open is increased, so that the structural strength of the latch bolt 200 can be increased, and the latch bolt can be prevented from being damaged when the door is locked, the bolt 200 is easily pried open in the normal direction of the base plate 110 or the bolt 200 is damaged by impact, and when the bolt assembly 12 is applied to the lock body 10, the safety of the lock body 10 can be improved. The lock body 10 may be a ball lock, a single-bolt handle lock, a plug-in mechanical lock, a national standard mechanical anti-theft lock, an electronic lock body with a built-in clutch (a U.S. standard electronic lock body, a European standard electronic lock body), an electric lock body with a built-in motor, etc., that is, the bolt assembly 12 may be applied to various locks, and is not limited to the above description, and the bolt 200 has a simple overall structure, which facilitates the quick replacement of the conventional bolt.

Referring to fig. 1 and 3, in this embodiment, the clamping holes 121 are symmetrically formed in two sides of the mounting seat 100, the clamping holes 121 are formed in the side plate 120, an inner diameter of each clamping hole 121 is slightly larger than an outer diameter of each clamping block 310, and each clamping block 310 can penetrate through the corresponding clamping hole 121, so that when the clamping blocks 310 are inserted into the clamping grooves 230 to limit movement of the locking bolt 200, the clamping blocks 310 penetrate through the corresponding clamping holes 121 simultaneously, and therefore, the side plate 120 of the mounting seat 100 can limit the clamping blocks 310, movement of the locking bolt 200 in a normal direction of the bottom plate 110 can be further limited, structural strength of the locking bolt 200 can be further enhanced, and a prying-proof effect is improved.

Referring to fig. 2, in this embodiment, the length direction of the slot 230 is the same as the length direction of the sliding slot 112 on the bottom plate 110, so that, in the sliding fit direction of the locking bolt 200 and the mounting seat 100, the slot 230 and the latch 310 are also in sliding fit, and the sliding fit direction of the locking bolt 200 and the mounting seat 100 is the second direction, so that the latch 310 can limit the movement of the locking bolt 200 in the normal direction of the bottom plate 110, thereby increasing the structural strength of the locking bolt 200, and the telescopic sliding of the locking bolt 200 in the mounting cavity 130 is not affected, thereby realizing unlocking and locking.

Referring to fig. 4, in this embodiment, a connecting rod 340 extends from one end of the locking member 300 away from the locking tongue 200, the connecting rod 340 is perpendicular to the locking member 300, the connecting rods 340 of the two locking members 300 are symmetrically arranged, the two connecting rods 340 are located between the two locking members 300, a first tooth 341 is arranged at an end of one connecting rod 340, and a second tooth 342 engaged with the first tooth 341 is arranged at an end of the other connecting rod 340, so that when one locking member 300 rotates, the other locking member 300 can be driven to rotate, the two locking members 300 form a caliper structure, so that the clamping blocks 310 of the two locking members 300 can be simultaneously fastened to the clamping groove 230 or simultaneously disengaged from the clamping groove 230, and the locking mechanism has good synchronization, simple structure, and good and reliable linkage matching effect.

Referring to fig. 1, in the present embodiment, a first return spring 140 is disposed between a tongue seat 220 of a tongue 200 and a side plate 120 of an installation seat 100, a tension direction of the first return spring 140 is disposed along a length direction of a sliding groove 112, one end of the first return spring 140 abuts against the tongue seat 220, and the other end abuts against the side plate 120, generally speaking, under an acting force of the first return spring 140, a tongue portion 210 of the tongue 200 extends out of an installation cavity 130, so that, in a door locking process, the tongue 200 retracts into the installation cavity 130 first under an external door frame pressure until the tongue 200 aligns with a lock hole (not shown in the figure) of a door frame, and under an acting force of the first return spring 140, the tongue portion 210 of the tongue 200 extends out of the installation cavity 130 again and is inserted into the lock hole, and keeps in an extended state under an acting force of the first return spring 140, so as to achieve door locking, and the structure is simple and easy to implement.

Referring to fig. 1, in the present embodiment, the tongue holder 220 of the locking tongue 200 is provided with an accommodating cavity 240, an inner diameter of the accommodating cavity 240 matches an outer diameter of the first return spring 140, and a part of the first return spring 140 is accommodated in the accommodating cavity 240, so that the first return spring 140 can be positioned, the first return spring 140 is prevented from being displaced or loosened to fail, and the mounting structure of the locking tongue 200 is more compact.

Referring to fig. 5, a lock body 10 is shown, which includes a housing 11, and the bolt assembly 12 is installed in the housing 11, wherein the bottom plate 110 of the mounting seat 100 is a part of the structure of the housing 11, and a door knob (not shown) is also rotatably installed in the housing 11, and is connected to a rotating plate 151 of the toggle member 150, so that the latch 310 of the locking member 300 can be disengaged from the slot 230 of the bolt 200 by rotating the door knob and pressing the toggle lever 152 against the end of the locking member 300 away from the bolt 200; in addition, a motor (not shown in the figure) may be installed in the housing 11 to replace the door handle, or a motor and a door handle may be installed at the same time, and an output shaft of the motor is connected to the rotating plate 151, so that the motor drives the toggle member 150 to rotate, and the shift lever 152 presses the end of the locking member 300 far from the locking tongue 200, so that the latch 310 of the locking member 300 is disengaged from the latch slot 230 of the locking tongue 200, and the toggle member 150 may be driven to rotate in an electric or manual manner, therefore, in case of power failure, the door handle may be rotated manually to drive the toggle member 150 to rotate, so that the latch 310 is disengaged from the latch slot 230, and at this time, the tongue 210 may be rotated relative to the door 220, so as to open the door, thereby facilitating escape. Thanks to the high structural strength of the bolt assembly 12, the overall structural strength of the lock body 10 can be increased, the lock body 10 is prevented from being prized or damaged by impact, and the safety of the lock body 10 is improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The spring bolt subassembly, its characterized in that includes:

the mounting seat is provided with a mounting cavity;

the spring bolt is arranged in the mounting cavity, is in sliding connection with the mounting seat and is provided with a clamping groove;

the locking mechanism is arranged on the mounting seat and is provided with a clamping block which is in buckling fit with the clamping groove in the first direction;

and the driving mechanism is used for driving the locking mechanism to act so as to enable the clamping block to be buckled in the clamping groove or separated from the clamping groove.

2. The latch bolt assembly of claim 1, wherein: the mounting seat is provided with a clamping hole, and the clamping block can penetrate through the clamping hole.

3. The latch bolt assembly of claim 1, wherein: the draw-in groove with fixture block sliding fit in the second direction, the second direction with the spring bolt with the sliding fit direction of mount pad is the same.

4. The latch bolt assembly of claim 1, wherein: locking mechanical system includes two locking pieces, two the locking piece all rotate install in mount pad and symmetry set up in the both sides of spring bolt, two the locking piece linkage cooperation.

5. The latch bolt assembly of claim 4, wherein: one of the locking pieces is provided with a first tooth portion, and the other locking piece is provided with a second tooth portion meshing with the first tooth portion.

6. The latch bolt assembly of claim 4 or 5, wherein: the driving mechanism comprises a stirring piece and a second reset spring, the stirring piece is rotatably installed on the installation seat, the second reset spring is connected with the two locking pieces, the stirring piece can stir the locking pieces to rotate so as to enable the clamping blocks to be buckled with the clamping grooves, and the second reset spring can drive the locking pieces to rotate so as to enable the clamping blocks to be separated from the clamping grooves.

7. The latch bolt assembly of claim 1, wherein: the spring bolt with be provided with first reset spring between the mount pad, first reset spring can drive the spring bolt stretches out the installation cavity.

8. The latch bolt assembly of claim 7, wherein: the spring bolt is provided with an accommodating cavity, the inner diameter of the accommodating cavity is matched with the outer diameter of the first return spring, and part of the first return spring is accommodated in the accommodating cavity.

9. The latch bolt assembly of claim 1, wherein: the spring bolt includes tongue and tongue seat, the tongue with the tongue seat rotates to be connected, tongue seat sliding connection in the mount pad.

10. Lock body, its characterized in that: a deadbolt assembly as claimed in any one of claims 1-9 is installed.

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