CN214697345U

CN214697345U - Door lock body

Info

Publication number: CN214697345U
Application number: CN202120426239.0U
Authority: CN
Inventors: 王胜红; 张增伟; 舒旭东
Original assignee: Mixon Shanghai Technology Co ltd
Current assignee: Mixon Shanghai Technology Co ltd
Priority date: 2021-02-24
Filing date: 2021-02-24
Publication date: 2021-11-12
Anticipated expiration: 2031-02-24

Abstract

The utility model relates to a lock technical field especially relates to a door lock body. In order to simplify the structure of the door lock body and lighten the door lock body, the utility model provides a door lock body, wherein, an unlocking positioning column and a transmission positioning column are arranged on the bottom plate of a lock frame; the main lock tongue and the oblique tongue are arranged in the lock frame and are positioned between the unlocking positioning column and the transmission positioning column, the main lock tongue is close to the unlocking positioning column, and the oblique tongue is close to the transmission positioning column; in the unlocking mechanism, the unlocking transmission part is installed on the transmission positioning column and can rotate around the transmission positioning column, the positioning end of the unlocking torsion spring is connected with the unlocking positioning column, the unlocking wheel is installed on the main spring bolt square rod between the unlocking positioning column and the main spring bolt and is connected with the resetting end of the unlocking torsion spring, the unlocking driving lever of the unlocking wheel is connected with the main spring bolt, and the unlocking transmission part is connected with the latch bolt and the main spring bolt. The utility model discloses lock body, simple structure, it is light and handy.

Description

Door lock body

Technical Field

The utility model relates to a lock technical field especially relates to a door lock body.

Background

At present, in common door locks in the market, the unlocking function in most door lock bodies needs 5 parts to be completed in a linkage mode, so that the door lock bodies are complex in structure and heavy.

SUMMERY OF THE UTILITY MODEL

In order to simplify the structure of the door lock body and lighten the door lock body, the utility model provides a door lock body, which comprises a lock frame, a main lock tongue, a latch bolt and an unlocking mechanism, wherein an unlocking positioning column and a transmission positioning column are arranged on the bottom plate of the lock frame;

the main lock tongue and the latch bolt are arranged in the lock frame and are positioned between the unlocking positioning column and the transmission positioning column, the main lock tongue is close to the unlocking positioning column, and the latch bolt is close to the transmission positioning column;

the unlocking mechanism comprises an unlocking transmission part, an unlocking torsion spring and an unlocking wheel, the unlocking transmission part is installed on the transmission positioning column and can wind the transmission positioning column to rotate, the positioning end of the unlocking torsion spring is connected with the unlocking positioning column, the unlocking wheel is installed on a main spring bolt square rod between the unlocking positioning column and a main spring bolt and is connected with the resetting end of the unlocking torsion spring, an unlocking driving lever of the unlocking wheel is connected with the main spring bolt, and the unlocking transmission part is connected with the oblique spring bolt and the main spring bolt.

When the lock is used, the unlocking wheel can be driven to rotate by dialing the square rod of the main lock tongue, so that the unlocking deflector rod on the unlocking wheel is utilized to pull the main lock tongue to retract into the lock frame; meanwhile, the main spring bolt drives the unlocking transmission member to rotate around the transmission positioning column, and the unlocking transmission member pulls the latch bolt to move, so that the latch bolt retracts into the lock frame along with the main spring bolt, and the unlocking operation of the door lock body is completed. Therefore, the utility model discloses the operating of unblanking of lock body can be accomplished to the operating of unblanking that the actuating medium was unblanked, the torsional spring of unblanking and the cooperation of wheel of unblanking to the unlocking mechanism among the lock body of lock, simple structure, and the preparation is convenient, has still realized the lightweight of lock body of lock simultaneously.

Preferably, the connecting end of the main lock bolt is provided with an unlocking pull groove, and the unlocking shift lever and the unlocking transmission member are inserted into the unlocking pull groove. Like this, the mode of unblanking driving lever and the driving medium accessible of unblanking in inserting the unblanking pull groove on the main spring bolt realizes with the swing joint of main spring bolt, not only assembles simple and conveniently, conveniently unblanks the driving medium moreover and unblanks the wheel and at the limited space internalization of in-process of unblanking to effectively reduce the volume and the weight of lock body.

Preferably, the unlocking wheel is provided with a limiting buckle plate, and when the unlocking deflector rod is inserted into the unlocking groove and is deviated to the lock tongue of the main lock tongue, the limiting buckle plate is clamped on the end surface of the lock tongue tail of the main lock tongue. Like this, stretch out the outside in-process of lock frame at the tongue piece of main spring bolt, usable spacing buckle blocks main spring bolt with the driving lever cooperation of unblanking, avoids main spring bolt to stretch out too much, and the wheel separation of unblanking even influences the utility model discloses lock body's the effect of locking. Furthermore, the limiting buckle plate is connected with the wheel body of the unlocking wheel through a connecting plate, and the limiting buckle plate is vertically connected with the connecting plate. Like this, spacing buckle passes through the connecting plate and is connected with the wheel body of wheel of unblanking, simple structure, and the preparation is convenient.

Preferably, the unlocking wheel is provided with a connecting block, and the connecting block is provided with an unlocking through hole for inserting the unlocking torsion spring. Like this, when the equipment, can realize the unlocking wheel with the connection of the end that resets of the torsional spring of unblanking in the through-hole of unblanking with the end cartridge that resets of the torsional spring of unblanking, connect simple and conveniently. Further, the central axis of the unlocking through hole is parallel to the central axis of the wheel body of the unlocking wheel. Therefore, when the unlocking torsion spring and the unlocking wheel are connected, only the reset end of the unlocking torsion spring needs to be inserted into the unlocking through hole, the connection is simple and convenient, and when the unlocking wheel rotates to overcome the resistance of the unlocking torsion spring, the main lock tongue can be pushed, and the latch bolt can be driven to retract into the lock frame, so that the unlocking operation is completed; after unlocking, the unlocking torsion spring can push the unlocking wheel and the main bolt square rod to rotate around the central axis of the main bolt square rod through the reset end to reset, namely, the main bolt and the latch bolt are pushed out of the lock frame, and automatic locking is realized.

Preferably, the oblique tongue comprises an oblique tongue, an oblique tongue guide rod and an oblique tongue spring, the oblique tongue is inserted into the oblique tongue hole on the lock frame, and the tail end of the oblique tongue is connected with the oblique tongue guide rod; the oblique tongue guide rod is erected on the oblique tongue limiting plate on the bottom plate, the free end of the oblique tongue guide rod penetrates through a guide limiting groove on the oblique tongue limiting plate, and a limiting clamping plate is arranged on the free end of the oblique tongue guide rod; the oblique tongue spring is sleeved on the oblique tongue guide rod and clamped between the oblique tongue and the oblique tongue limiting plate. Therefore, in the using process, when the lock is unlocked, the inclined tongue can retract into the lock frame under the pulling of the inclined tongue guide rod; when locking, the oblique tongue piece can be pushed by the oblique tongue spring to extend out of the lock frame. Therefore, the oblique tongue in the door lock body of the utility model consists of the oblique tongue head, the oblique tongue guide rod and the oblique tongue spring, has simple structure, and in the use process, the oblique tongue retracts into the lock frame under the pulling of the oblique tongue guide rod or stretches out of the lock frame under the pushing of the oblique tongue spring, thereby being convenient to control. In addition, in the door lock body of the utility model, the oblique tongue guide rod passes through the guide limiting groove on the oblique tongue limiting plate, and the guide limiting groove can be used for guiding and limiting the movement direction of the oblique tongue guide rod, so as to avoid the problem of dislocation of the oblique tongue in the movement process; set up spacing cardboard on keeping away from the free end of oblique tongue at oblique tongue guide arm, can avoid oblique tongue guide arm to promote oblique tongue when stretching out the lock frame outside from the slippage on the oblique tongue limiting plate at oblique tongue spring, influence the utility model discloses lock body's use.

Preferably, the unlocking transmission part comprises an unlocking transmission plate and a transmission torsion spring, a positioning through hole for inserting the transmission positioning column is formed in the positioning end of the unlocking transmission plate, a V-shaped connecting block is arranged on the unlocking transmission plate, and the V-shaped connecting block is close to the positioning through hole; the transmission torsional spring is sleeved on the transmission positioning column and pressed on the unlocking transmission plate, the positioning end of the transmission torsional spring is pressed on the side plate of the lock frame in a supporting mode, and the reset end of the transmission torsional spring is leaned against the V-shaped connecting block. Like this, driving medium accessible V type connecting block and the cooperation of transmission torsional spring of unblanking to utilize the transmission torsional spring to promote the driving medium of unblanking to rotate around the transmission reference column and reset after the completion of unblanking, in order not to influence the utility model discloses lock body is automatic after unblanking, facilitates the use. Furthermore, an unlocking wheel is arranged in the door lock body and is installed on the handle square rod, the unlocking wheel comprises a wheel sleeve, two clamping feet are arranged on the outer wall of the wheel sleeve, and the two clamping feet are oppositely arranged to form a V-shaped clamping groove for clamping the V-shaped connecting block. Like this, when unblanking from indoor, accessible handle drives handle square bar and unlocks the wheel and rotates to make the driving medium of unblanking overcome the resistance of transmission torsional spring and rotate around the transmission reference column, and then drive latch bolt and main spring bolt retraction lock frame in, accomplish indoor unlocking operation, easy operation is convenient.

Preferably, the positioning end of the unlocking torsion spring is provided with a positioning ring, and the positioning ring is sleeved on the unlocking positioning column. Like this, when the equipment, can put the holding ring cover of the location end of the torsional spring of unblanking on the reference column of unblanking, the equipment is simple and convenient, and when using, can avoid the location end of the torsional spring of unblanking to break away from with the reference column of unblanking, the influence is unblanked.

Drawings

Fig. 1 is a schematic structural view of the door lock body of the present invention;

fig. 2 is a schematic top view of the lock body of the door lock according to the present invention in a locked state;

fig. 3 is a schematic view of the overlooking structure of the door lock body of the present invention in the unlocking state.

Detailed Description

The door lock body of the present invention will be described in detail with reference to fig. 1 to 3.

As shown in fig. 1-3, the lock body of the present invention comprises a lock frame 1, a latch bolt, a main bolt 3 and an unlocking mechanism. The bottom plate 11 of the lock frame 1 is provided with an unlocking positioning column 111 and a transmission positioning column 112, and the lock surface 12 of the lock frame 1 is provided with a main lock bolt hole (not shown) and an inclined bolt hole (not shown). Preferably, the bottom plate 11 of the lock frame 1 is provided with a latch bolt limiting plate 113, and the latch bolt limiting plate 113 is opposite to the latch bolt hole. Like this, in the equipment or use the utility model discloses during the lock body, usable oblique tongue limiting plate 113 is spacing to the mounted position, the range of motion and the direction of motion of oblique tongue, convenient equipment to can avoid the oblique tongue to appear border-crossing or direction skew problem, facilitate the use in the use. Preferably, the oblique tongue limiting plate 113 cartridge is on bottom plate 11, and such oblique tongue limiting plate 113 simple manufacture and equipment are convenient, thereby can reduce the utility model discloses lock body's manufacturing cost.

The latch bolt is installed in the lock frame 1 and located between the unlocking positioning column 111 and the transmission positioning column 112, and the latch bolt is close to the transmission positioning column 112. Preferably, the oblique tongue comprises an oblique tongue 21, an oblique tongue guide rod 22 and an oblique tongue spring 23, the oblique tongue 21 is inserted into the oblique tongue hole on the lock frame 1, and the tail end of the oblique tongue head 21 is connected with the oblique tongue guide rod 22; the latch bolt guide rod 22 is erected on the latch bolt limit plate 113 on the bottom plate 11, the free end of the latch bolt guide rod 22 passes through the guide limit groove 1131 on the latch bolt limit plate 113, and the free end of the latch bolt guide rod 22 is provided with a limit clamp plate 221; the oblique tongue spring 23 is sleeved on the oblique tongue guide rod 22 and clamped between the oblique tongue 21 and the oblique tongue limiting plate 113. Thus, in the using process, when the lock is unlocked, the latch bolt head 21 can retract into the lock frame 1 under the pulling of the latch bolt guide rod 22; when locking, the oblique tongue 21 can be pushed by the oblique tongue spring 23 to extend out of the lock frame 1. Therefore, the latch bolt in the door lock body of the utility model is composed of the latch bolt head 21, the latch bolt guide rod 22 and the latch bolt spring 23, the structure is simple, and in the using process, the latch bolt 21 retracts into the lock frame 1 under the pulling of the latch bolt guide rod 22 or extends out of the lock frame 1 under the pushing of the latch bolt spring 23, and the control is convenient. In addition, in the door lock body of the utility model, the latch bolt guide rod 22 passes through the guide limiting groove 1131 on the latch bolt limiting plate 113, and the guide limiting groove 1131 can be used for guiding and limiting the movement direction of the latch bolt guide rod 22, so as to avoid the problem of dislocation of the latch bolt in the movement process; set up spacing cardboard 221 on oblique tongue guide arm 22 keeps away from the free end of oblique tongue 21, can avoid oblique tongue guide arm 22 to promote oblique tongue 21 at oblique tongue spring 23 and stretch out the slippage from oblique tongue limiting plate 113 when locking frame 1 is outside, influence the utility model discloses lock body's use.

The main bolt 3 is installed in the lock frame 1 and is located between the unlocking positioning column 111 and the transmission positioning column 112, and the main bolt 3 is close to the unlocking positioning column 111. Preferably, the connecting end of the main bolt 3 is provided with an unlocking pull groove 31 for connecting with the unlocking mechanism, so that the main bolt 3 is movably connected with the unlocking mechanism, and unlocking and automatic locking are facilitated. Preferably, a guiding sliding block 32 is arranged on the top of the main bolt 3, and the guiding sliding block 32 is inserted into a guiding sliding groove on a top plate (not shown in the figure) of the lock frame 1. Thus, when in use, the guide slide block 32 and the guide sliding groove can be matched to guide and limit the sliding direction and the sliding range of the main bolt 3. The unlocking mechanism comprises an unlocking transmission member 41, an unlocking torsion spring 42 and an unlocking wheel 43, wherein the unlocking transmission member 41 is installed on the transmission positioning column 112 and can rotate around the transmission positioning column 112, the positioning end of the unlocking torsion spring 42 is connected with the unlocking positioning column 111, the unlocking wheel 43 is installed on a main bolt square bar (not shown in the figure) between the unlocking positioning column 111 and the main bolt 3 and is connected with the reset end of the unlocking torsion spring 42, an unlocking shift lever 431 of the unlocking wheel 43 is connected with the main bolt 3, and the unlocking transmission member 41 is connected with the latch bolt and the main bolt 3. Preferably, the unlocking lever 431 and the unlocking transmission 41 are inserted in the unlocking pull groove 31. Like this, the swing joint with main spring bolt 3 is realized to unblank driving lever 431 and the mode that unblanks driving medium 41 accessible insert the unblank draw groove 31 on main spring bolt 3, and not only the equipment is simple and convenient, conveniently unblank driving medium 41 and the wheel 43 of unblanking moreover and move in the confined space at the in-process of unblanking to effectively reduce the volume and the weight of lock body. Preferably, the unlocking transmission member 41 comprises an unlocking transmission plate 411 and a transmission torsion spring 412, a positioning through hole (not shown in the figure) for inserting the transmission positioning column 112 is formed at a positioning end of the unlocking transmission plate 411, a V-shaped connecting block 4111 is formed on the unlocking transmission plate 411, and the V-shaped connecting block 4111 is close to the positioning through hole; the transmission torsion spring 412 is sleeved on the transmission positioning column 112 and pressed on the unlocking transmission plate 411, the positioning end of the transmission torsion spring 412 is pressed against the side plate 13 of the lock frame 1, and the reset end of the transmission torsion spring 412 is leaned against the V-shaped connecting block 4111. Like this, driving medium 41 accessible V type connecting block 4111 and the cooperation of transmission torsional spring 412 of unblanking to utilize transmission torsional spring 412 to promote the driving medium 411 of unblanking to rotate around transmission reference column 112 and reset after the completion of unblanking, in order not to influence the utility model discloses lock body is unblanking the back and is locked automatically, facilitates the use. Preferably, the positioning end of the unlocking torsion spring 42 is provided with a positioning ring 421, and the positioning ring 421 is sleeved on the unlocking positioning column 411. Like this, when the equipment, can put the holding ring 421 cover of the location end of unblanking torsional spring 42 on the reference column 111 that unblanks, the equipment is simple and convenient, and when using, can avoid unblanking torsional spring 421's location end and the reference column 111 that unblanks to break away from, influence to unblank. Preferably, the unlocking wheel 43 is provided with a limit buckle 432, and when the unlocking lever 431 is inserted into the unlocking slot 31 and biased toward the locking tongue of the main locking bolt 3, the limit buckle 432 is placed on the end surface of the bolt tail of the main locking bolt 3. Like this, stretch out the outside in-process of lock frame 1 at the lock tongue of main spring bolt 3, usable spacing buckle 432 blocks main spring bolt 3 with the cooperation of driving lever 431 of unblanking, avoids main spring bolt 3 to stretch out too much, separates with wheel 43 of unblanking even, influences the utility model discloses lock body's the effect of locking. Preferably, the limiting buckle 432 is connected with the wheel body 434 of the unlocking wheel 43 through the connecting plate 433, and the limiting buckle 432 is vertically connected with the connecting plate 433. Like this, spacing buckle 432 is connected with wheel body 434 of wheel 43 of unblanking through connecting plate 433, simple structure, and the preparation is convenient. Preferably, the unlocking wheel 43 is provided with a connecting block 435, and the connecting block 435 is provided with an unlocking through hole 4351 for inserting the unlocking torsion spring 42. Like this, when the equipment, can realize unlocking wheel 43 and the connection of the end that resets of unlocking torsional spring 42 with unlocking torsional spring 42's the end cartridge that resets to unlocking through-hole 4351, it is simple and convenient to connect. Preferably, the central axis of the unlocking through-hole 4351 is parallel to the central axis of the wheel body 434 of the unlocking wheel 43. Therefore, when the unlocking torsion spring 42 and the unlocking wheel 43 are connected, only the reset end of the unlocking torsion spring 42 needs to be inserted into the unlocking through hole 4351, the connection is simple and convenient, and when the unlocking is carried out, the unlocking wheel 43 rotates to overcome the resistance of the unlocking torsion spring 42, so that the main lock tongue 3 can be pushed, and the oblique lock tongue is driven to retract into the lock frame 1, and the unlocking operation is finished; after unlocking, the unlocking torsion spring 42 can push the unlocking wheel 43 and the main bolt square rod to rotate around the central axis of the main bolt square rod through the reset end to reset, namely, the main bolt 3 and the latch bolt are pushed out of the lock frame 1, and automatic locking is realized. Preferably, an unlocking wheel 5 is arranged in the door lock body, the unlocking wheel 5 is mounted on a handle square bar (not shown in the figure), the unlocking wheel 5 comprises a wheel sleeve 51, two clamping feet 52 are arranged on the outer wall of the wheel sleeve 51, and the two clamping feet 52 are oppositely arranged to form a V-shaped clamping groove 53 for clamping the V-shaped connecting block 4111. Thus, when the lock is unlocked from the indoor environment, the handle square rod and the unlocking wheel 5 can be driven to rotate by the handle, so that the unlocking transmission member 41 can rotate around the transmission positioning column 112 by overcoming the resistance of the transmission torsion spring 412, and further the latch bolt and the main bolt 2 can be driven to retract into the lock frame 1, the indoor unlocking operation can be completed, and the operation is simple and convenient.

Claims

1. A door lock body is characterized by comprising a lock frame, a main lock tongue, a latch bolt and an unlocking mechanism, wherein an unlocking positioning column and a transmission positioning column are arranged on a bottom plate of the lock frame;

2. The door lock body according to claim 1, wherein the connecting end of the main lock tongue is provided with an unlocking pulling groove, and the unlocking moving lever and the unlocking transmission member are inserted in the unlocking pulling groove.

3. The door lock body according to claim 2, wherein the unlocking wheel is provided with a limit buckle, and when the unlocking shift lever is inserted into the unlocking groove and biased toward the lock tongue of the main lock tongue, the limit buckle is caught on the end surface of the lock tongue tail of the main lock tongue.

4. The door lock body of claim 3, wherein the limiting buckle is connected with the wheel body of the unlocking wheel through a connecting plate, and the limiting buckle is vertically connected with the connecting plate.

5. The door lock body according to any one of claims 1 to 4, wherein the unlocking wheel is provided with a connecting block, and the connecting block is provided with an unlocking through hole for inserting the unlocking torsion spring.

6. The door lock body of claim 5, wherein a central axis of the unlocking through hole is parallel to a central axis of the wheel body of the unlocking wheel.

7. The door lock body according to any one of claims 1 to 4, wherein the oblique tongue comprises an oblique tongue, an oblique tongue guide rod and an oblique tongue spring, the oblique tongue is inserted into the oblique tongue hole on the lock frame, and the tail end of the oblique tongue is connected with the oblique tongue guide rod; the oblique tongue guide rod is erected on the oblique tongue limiting plate on the bottom plate, the free end of the oblique tongue guide rod penetrates through a guide limiting groove on the oblique tongue limiting plate, and a limiting clamping plate is arranged on the free end of the oblique tongue guide rod; the oblique tongue spring is sleeved on the oblique tongue guide rod and clamped between the oblique tongue and the oblique tongue limiting plate.

8. The door lock body according to claim 7, wherein the unlocking transmission member includes an unlocking transmission plate and a transmission torsion spring, a positioning through hole for inserting the transmission positioning post is provided at a positioning end of the unlocking transmission plate, a V-shaped connection block is provided on the unlocking transmission plate, and the V-shaped connection block is close to the positioning through hole; the transmission torsional spring is sleeved on the transmission positioning column and pressed on the unlocking transmission plate, the positioning end of the transmission torsional spring is pressed on the side plate of the lock frame in a supporting mode, and the reset end of the transmission torsional spring is leaned against the V-shaped connecting block.

9. The door lock body of claim 8, wherein an unlocking wheel is arranged in the door lock body, the unlocking wheel is arranged on a handle square bar, the unlocking wheel comprises a wheel sleeve, two clamping feet are arranged on the outer wall of the wheel sleeve, and the two clamping feet are oppositely arranged to form a V-shaped clamping groove for clamping the V-shaped connecting block.

10. The door lock body according to any one of claims 1 to 4, wherein a positioning ring is provided at a positioning end of the unlocking torsion spring, and the positioning ring is fitted over the unlocking positioning post.