CN215168924U - Door lock - Google Patents
Door lock Download PDFInfo
- Publication number
- CN215168924U CN215168924U CN202120408430.2U CN202120408430U CN215168924U CN 215168924 U CN215168924 U CN 215168924U CN 202120408430 U CN202120408430 U CN 202120408430U CN 215168924 U CN215168924 U CN 215168924U
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- latch bolt
- plate
- tongue
- limiting
- transmission
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Abstract
The utility model relates to a lock technical field especially relates to a lock. In order to simplify the structure of the door lock and make the door lock lighter on the basis of keeping the function of stopping the back of the latch bolt, the utility model provides a door lock, wherein, on the bottom plate of the lock frame, the positioning column of the torsional spring is close to the positioning column; the oblique tongue and the anti-insertion tongue are arranged in the lock frame, the oblique tongue is positioned between the positioning column and the transmission limiting column, and a limiting groove is formed in the limiting surface of the anti-insertion tongue; the backstop end of the transmission plate is arranged on the positioning column and can rotate around the positioning column, and the transmission end of the transmission plate is positioned between the anti-insertion tongue and the transmission limiting column and is inserted into the limiting groove; the retaining torsion spring is sleeved on the positioning column, the positioning end is connected with the torsion spring positioning column, the twisting and pushing end is connected with the free end of the retaining end of the transmission plate, and when the insertion tongue retracts, the twisting and pushing end of the retaining torsion spring pushes the retaining end of the transmission plate to abut against the inclined tongue. The utility model discloses the lock utilizes driving plate and stopping torsional spring to realize the stopping function of latch bolt, simple structure, and is more light and handy.
Description
Technical Field
The utility model relates to a lock technical field especially relates to a lock.
Background
At present, most of common door locks in the market do not have the function of stopping the back of the latch bolt, and although few door locks have the function of stopping the back of the latch bolt, in order to complete the function of stopping the back of the latch bolt, a plurality of parts are required to be arranged in the door locks to complete the function of stopping the back of the latch bolt, so that the door locks are complex and heavy in structure.
SUMMERY OF THE UTILITY MODEL
In order to simplify the structure of the door lock and make the door lock lighter on the basis of keeping the function of stopping the back of the oblique bolt, the utility model provides a door lock, which comprises a lock frame, an oblique bolt, an anti-inserting bolt, a transmission plate and a stopping torsional spring, wherein a bottom plate of the lock frame is provided with a positioning column, a torsional spring positioning column and a transmission limiting column, and the torsional spring positioning column is close to the positioning column;
the oblique bolt and the anti-insertion bolt are arranged in the lock frame and are positioned between the positioning column and the transmission limiting column, and a limiting groove is formed in a limiting surface of the anti-insertion bolt facing the bottom plate;
the backstop end of the transmission plate is arranged on the positioning column and can rotate around the positioning column, and the transmission end of the transmission plate is positioned between the anti-insertion tongue and the transmission limiting column and is inserted into the limiting groove;
the stopping torsional spring cover is established and is pressed on the reference column and put on the driving plate, the location end of stopping torsional spring with the torsional spring reference column is connected, the turn round of stopping torsional spring push end with the free end of the stopping end of driving plate is connected, and works as when preventing inserting the tongue and retracting, the turn round of stopping torsional spring push end promotes the stopping end of driving plate supports to one side the tongue.
In the use of the door lock, the specific linkage state of the retaining function of the latch bolt is realized by matching the transmission plate with the retaining torsion spring as follows:
when the anti-inserting tongue retracts into the lock frame, the limiting groove on the anti-inserting tongue moves towards the inner direction of the lock frame, the transmission end of the transmission plate can slide in the limiting groove along the extending direction of the limiting groove, and at the moment, the twisting end of the anti-backing torsion spring pushes the anti-backing end of the transmission plate under the action of elasticity to enable the anti-backing end of the transmission plate to abut against the oblique tongue, so that the oblique tongue is prevented from retracting into the lock frame;
when the anti-insertion tongue extends out of the lock frame, the limiting groove on the anti-insertion tongue is matched with the transmission limiting column to clamp and fix the transmission end of the transmission plate between the anti-insertion tongue and the transmission limiting column, and at the moment, the backstop end of the transmission plate is pushed away from the oblique tongue, so that the oblique tongue can be retracted into the lock frame.
Therefore, in the process of enabling the anti-insertion tongue retracted into the lock frame to extend out of the lock frame, the anti-insertion tongue pushes the transmission end of the transmission plate located in the limiting groove to move, so that the transmission plate is driven to rotate around the positioning column, the resistance generated by the elasticity of the anti-return torsion spring is overcome, the anti-return end of the transmission plate is pushed away from the inclined tongue, and the inclined tongue can retract into the lock frame; when the anti-inserting tongue extending out of the lock frame retracts into the lock frame, the anti-inserting tongue loosens the transmission end of the transmission plate in the retracting process, the transmission plate rotates around the positioning column under the elastic action of the retaining torsion spring, and when the anti-inserting tongue retracts into the lock frame completely, the retaining end of the transmission plate supports against the inclined tongue under the action of the retaining torsion spring, so that the inclined tongue is prevented from retracting into the lock frame.
To sum up visibly, the utility model discloses the lock adopts the cooperation of driving plate and stopping torsional spring to accomplish oblique tongue and prevents inserting the linkage between the tongue to utilize driving plate and stopping torsional spring to realize the stopping function of oblique tongue, simple structure, and can make the lock more light and handy.
Preferably, the transmission plate is provided with a retaining block, and the retaining block is fixed at the retaining end of the transmission plate and close to the latch bolt. Like this, set up the stopping piece at the stopping end of driving plate, when the stopping end of driving plate is supporting the latch bolt, usable stopping piece locking latch bolt improves the utility model discloses the stability of the stopping function of latch bolt in the lock. Furthermore, the twisting and pushing end of the retaining torsion spring is abutted against the retaining block. Therefore, in the using process, the twisting and pushing end of the retaining torsion spring can be utilized to abut against the retaining block, so that the twisting and pushing end of the retaining torsion spring is convenient to be connected with the retaining end of the transmission plate and can push the rotating plate to rotate around the positioning column.
Preferably, a positioning ring is arranged at the positioning end of the retaining torsion spring and sleeved on the torsion spring positioning column. Like this, in the assembling process, usable cover establishes the holding ring on the torsional spring reference column and holds fixedly with the location of stopping the torsional spring, avoids the location end of stopping the torsional spring to take place to shift or misplace in equipment or use, and influences the utility model discloses the realization of the stopping function of the latch bolt of lock influences even the utility model discloses the use of lock.
Preferably, the anti-insertion tongue is provided with a reset hole towards the tail end of the anti-insertion tongue limiting plate, the anti-insertion tongue limiting plate is provided with a connection limiting column towards the limiting surface of the anti-insertion tongue, the connection limiting column is sleeved with an anti-insertion tongue reset spring, and the reset end of the anti-insertion tongue reset spring is inserted into the reset hole. Therefore, the anti-insertion tongue can be connected with the connection limiting column on the anti-insertion tongue limiting plate through the anti-insertion tongue return spring, the assembly is simple and convenient, the anti-insertion tongue can be pushed to extend out of the lock frame by directly utilizing the tension action of the anti-insertion tongue return spring after being retracted into the lock frame, and the use is simple and convenient. Furthermore, the top and the bottom of the tail end of the anti-insertion tongue are provided with guide blocks, and the guide blocks are inserted into guide sliding grooves in the bottom plate and the top plate of the lock frame. Like this, prevent that the bolt retracts and the in-process that stretches out, usable guide block leads with the bottom plate of lock frame and the cooperation of the direction spout on the roof, avoids preventing that the bolt moves the direction and the deviation appears when retracting and stretching out, influences the utility model discloses the use of lock.
Drawings
Fig. 1 is a schematic structural view of the door lock of the present invention;
FIG. 2 is a schematic view of the drive plate of FIG. 1;
fig. 3 is a schematic top view of the latch bolt of the door lock of the present invention in a stop state;
fig. 4 is a schematic view of the lock of the present invention, when the latch bolt is in the unlocked state.
Detailed Description
The door lock of the present invention will be described in detail with reference to fig. 1 to 4.
As shown in figure 1, the utility model discloses a lock includes lock frame 1, oblique tongue, prevents inserting tongue 3, driving plate 4 and stopping torsional spring 5. Wherein, the bottom plate 11 of the lock frame 1 is provided with a positioning column 111, a torsion spring positioning column 112 and a transmission limiting column 113, and the torsion spring positioning column 112 is close to the positioning column 111. Preferably, the lock surface 12 of the lock frame 1 is provided with a latch bolt hole and an anti-latch bolt hole, the bottom plate 111 of the lock frame 1 is provided with a latch bolt limiting plate 114 and an anti-latch bolt limiting plate 115, the latch bolt limiting plate 114 is opposite to the latch bolt hole, and the anti-latch bolt limiting plate 115 is opposite to the anti-latch bolt hole. Like this, when equipment or use the utility model discloses during the lock, usable oblique tongue limiting plate 114 is spacing to the mounted position, the motion range and the direction of motion of oblique tongue, utilizes to prevent inserting tongue limiting plate 115 and spacing to preventing mounting position, the motion range and the direction of motion of inserting tongue 3, convenient equipment to can avoid the oblique tongue and prevent that the tongue appears out of bounds or the direction skew, facilitate the use in the use. Preferably, the latch tongue limiting plate 114 and the anti-latch tongue limiting plate 115 are inserted on the base plate 11. Such oblique tongue limiting plate 114 and anti-insertion tongue limiting plate 115 are simple to manufacture and convenient to assemble, thereby reducing the production cost of the door lock of the utility model.
The latch bolt is installed in the lock frame 1, and the latch bolt is located between the positioning column 111 and the transmission limiting column 113. 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 in the oblique tongue hole, the tail end of the oblique tongue head 21 is connected with the oblique tongue guide rod 22, and 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 114. 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 door lock of the utility model adopts the oblique tongue consisting of the oblique tongue 21, the oblique tongue guide rod 22 and the oblique tongue spring 23, and has simple structure and simple and convenient use and control. Preferably, the latch tongue limiting plate 114 is provided with a guide limiting groove 1141, the latch tongue guide rod 22 passes through the guide limiting groove 1141, and the free end of the latch tongue guide rod 22 is provided with a limiting catch plate 221. Thus, the latch bolt guide rod 22 passes through the guide limit groove 1141 on the latch bolt limit plate 114, and the guide limit groove 1141 can be used for guiding and limiting the movement direction of the latch bolt guide rod 22, so that the problem of dislocation of the latch bolt in the movement process is avoided; 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 on the oblique tongue limiting plate 114 when locking frame 1 is outside, influence the utility model discloses the use of lock.
The anti-insertion tongue 3 is arranged in the lock frame 1, and a limit groove 31 is arranged on the limit surface of the anti-insertion tongue 3 facing the bottom plate 11. Preferably, the anti-insertion tongue 3 is provided with a reset hole 32 towards the tail end of the anti-insertion tongue limiting plate 115, a connection limiting column 1151 is provided on the limiting surface of the anti-insertion tongue limiting plate 115 towards the anti-insertion tongue 3, the anti-insertion tongue reset spring 6 is sleeved on the connection limiting column 1151, and the reset end of the anti-insertion tongue reset spring 6 is inserted into the reset hole 32. Therefore, the anti-insertion tongue 3 can be connected with the connection limiting column 1151 on the anti-insertion tongue limiting plate 115 through the anti-insertion tongue return spring 6, the assembly is simple and convenient, and after the anti-insertion tongue 3 retracts into the lock frame 1, the tension action of the anti-insertion tongue return spring 6 can be directly utilized to push the anti-insertion tongue 3 to enable the anti-insertion tongue 3 to extend out of the lock frame 1, and the use is simple and convenient. Preferably, the guide blocks 33 are provided at the top and bottom of the tail end of the anti-insertion tongue 3, and the guide blocks 33 are inserted into the guide sliding grooves 116 on the bottom plate 11 and the top plate (not shown in the figure) of the lock frame 1. Like this, prevent that insertion tongue 3 contracts and the in-process that stretches out, usable guide block 33 leads with the cooperation of the direction spout 116 on the bottom plate 11 of lock frame 1 and the roof, avoids preventing that insertion tongue 3 moves the direction and the deviation appears when retracting and stretching out, influences the utility model discloses the use of lock.
As shown in fig. 1 and 2, the retaining end of the transmission plate 4 is provided with a transmission through hole 41, the transmission plate 4 is mounted on the positioning column 111 through the transmission through hole 41 and can rotate around the positioning column 111, and the transmission end 42 of the transmission plate 4 is located between the tongue 3 and the transmission limiting column 113 and is inserted into the limiting groove 31; the retaining torsion spring 5 is sleeved on the positioning column 111 and pressed on the transmission plate 4, the positioning end of the retaining torsion spring 5 is connected with the torsion spring positioning column 112, the twisting end of the retaining torsion spring 5 is connected with the free end of the retaining end 41 of the transmission plate 4, and when the insertion-preventing tongue 3 retracts, the twisting end of the retaining torsion spring 5 pushes the retaining end 41 of the transmission plate 4 to abut against the inclined tongue 21 in the inclined tongue. Preferably, the driving plate 4 is provided with a retaining block 43, and the retaining block 43 is fixed at the retaining end 41 of the driving plate 4 and close to the latch tongue. Like this, set up stopping block 43 at the stopping end 41 of driving plate 4, when the stopping end 41 of driving plate 4 is supporting the latch bolt, usable stopping block 43 locking latch bolt improves the utility model discloses the stability of the stopping function of latch bolt in the lock. Preferably, the twisting end of the backstop torsion spring 5 abuts against the backstop block 43. Therefore, in the using process, the twisting and pushing end of the retaining torsion spring 5 can be utilized to abut against the retaining block 43, so that the twisting and pushing end of the retaining torsion spring 5 is conveniently connected with the retaining end 41 of the transmission plate 4 and pushes the rotating plate 4 to rotate around the positioning column 111. Preferably, the positioning end of the anti-backup torsion spring 5 is provided with a positioning ring 51, and the positioning ring 51 is sleeved on the torsion spring positioning post 112. Like this, in the assembling process, usable cover establishes the holding ring 51 that the torsional spring reference column 112 is last with the location end of stopping torsional spring 5 fixed, avoids the location end of stopping torsional spring 5 to take place to shift or misplace in equipment or use, and influences the utility model discloses the realization of the stopping function of the oblique tongue of lock influences even the utility model discloses the use of lock.
In the use of the door lock, the specific linkage state of the retaining function of the latch bolt is realized by matching the transmission plate with the retaining torsion spring as follows:
as shown in fig. 3, when the insertion-preventing tongue 3 retracts into the lock frame 1, the limiting groove 31 on the insertion-preventing tongue 3 moves towards the inside of the lock frame 1, the driving end 42 of the driving plate 4 can slide in the limiting groove 31 along the extending direction of the limiting groove 31, and at this time, the twisting end of the anti-return torsion spring 5 pushes the anti-return end 41 of the driving plate 4 under the action of the elastic force to enable the anti-return end 41 of the driving plate 4 to abut against the latch bolt head 21 of the latch bolt, so as to prevent the latch bolt head 2 of the latch bolt from retracting into the lock frame 1.
As shown in fig. 4, when the anti-insertion tongue 3 extends out of the lock frame 1, the limiting groove 31 on the anti-insertion tongue 3 cooperates with the transmission limiting post 113 to clamp and fix the transmission end 42 of the transmission plate 4 between the anti-insertion tongue 3 and the transmission limiting post 113, and at this time, the retaining end 41 of the transmission plate 4 is pushed away from the latch bolt head 21 of the latch bolt, so that the latch bolt head 21 of the latch bolt can be retracted into the lock frame 1.
Therefore, in the process of extending the anti-insertion tongue retracted into the lock frame 1 to the outside of the lock frame 1, the anti-insertion tongue 3 pushes the transmission end 42 of the transmission plate 4 located in the limiting groove 31 to move, so as to drive the transmission plate 4 to rotate around the positioning column 111, overcome the resistance generated by the elasticity of the anti-retraction torsion spring 5, push the anti-retraction end 41 of the transmission plate 4 away from the oblique tongue head 21 of the oblique tongue, and enable the oblique tongue 21 of the oblique tongue to retract into the lock frame 1; in the process of retracting the anti-insertion tongue 3 extending out of the lock frame 1 into the lock frame 1, the anti-insertion tongue 3 loosens the transmission end 42 of the transmission plate 4 in the retracting process, so that the transmission plate rotates around the positioning column 111 under the elastic action of the retaining torsion spring 5, and when the anti-insertion tongue 3 is completely retracted into the lock frame 1, the retaining end 41 of the transmission plate 4 abuts against the oblique tongue head 21 of the oblique tongue under the action of the retaining torsion spring 5, so that the oblique tongue 21 of the oblique tongue is prevented from retracting into the lock frame 1.
To sum up visibly, the utility model discloses the lock adopts the cooperation of driving plate and stopping torsional spring to accomplish oblique tongue and prevents inserting the linkage between the tongue to utilize driving plate and stopping torsional spring to realize the stopping function of oblique tongue, simple structure, and can make the lock more light and handy.
Claims (10)
1. A door lock is characterized by comprising a lock frame, an oblique bolt, an insertion-preventing bolt, a transmission plate and a backstop torsion spring, wherein a bottom plate of the lock frame is provided with a positioning column, a torsion spring positioning column and a transmission limiting column, and the torsion spring positioning column is close to the positioning column;
the oblique bolt and the anti-insertion bolt are arranged in the lock frame and are positioned between the positioning column and the transmission limiting column, and a limiting groove is formed in a limiting surface of the anti-insertion bolt facing the bottom plate;
the backstop end of the transmission plate is arranged on the positioning column and can rotate around the positioning column, and the transmission end of the transmission plate is positioned between the anti-insertion tongue and the transmission limiting column and is inserted into the limiting groove;
the stopping torsional spring cover is established and is pressed on the reference column and put on the driving plate, the location end of stopping torsional spring with the torsional spring reference column is connected, the turn round of stopping torsional spring push end with the free end of the stopping end of driving plate is connected, and works as when preventing inserting the tongue and retracting, the turn round of stopping torsional spring push end promotes the stopping end of driving plate supports to one side the tongue.
2. The door lock of claim 1, wherein the actuator plate is provided with a backstop block, and the backstop block is fixed to a backstop end of the actuator plate and is adjacent to the latch bolt.
3. The door lock of claim 2, wherein the torsion end of the anti-backup torsion spring abuts against the anti-backup block.
4. The door lock according to any one of claims 1 to 3, wherein the positioning end of the retaining torsion spring is provided with a positioning ring, and the positioning ring is sleeved on the positioning column of the torsion spring.
5. The door lock according to claim 4, wherein the lock surface of the lock frame is provided with a latch bolt hole and an anti-latch bolt hole, the bottom plate of the lock frame is provided with a latch bolt limiting plate and an anti-latch bolt limiting plate, the latch bolt limiting plate is opposite to the latch bolt hole, and the anti-latch bolt limiting plate is opposite to the anti-latch bolt hole.
6. The door lock according to claim 5, wherein the latch bolt limiting plate and the anti-insertion bolt limiting plate are inserted into the bottom plate.
7. The door lock according to claim 4, wherein the latch bolt comprises a latch bolt, a latch bolt guide rod and a latch bolt spring, the latch bolt is inserted into the latch bolt hole, the tail end of the latch bolt is connected with the latch bolt guide rod, and the latch bolt spring is sleeved on the latch bolt guide rod and clamped between the latch bolt and the latch bolt limiting plate.
8. The door lock according to claim 7, wherein the latch bolt limiting plate is provided with a guide limiting groove, the latch bolt guide rod passes through the guide limiting groove, and a limiting clamping plate is arranged at the free end of the latch bolt guide rod.
9. The door lock according to claim 4, wherein a reset hole is formed in the anti-insertion tongue facing the tail end of the anti-insertion tongue limiting plate, a connection limiting column is arranged on a limiting surface of the anti-insertion tongue limiting plate facing the anti-insertion tongue, an anti-insertion tongue return spring is sleeved on the connection limiting column, and a reset end of the anti-insertion tongue return spring is inserted into the reset hole.
10. The door lock according to claim 9, wherein guide blocks are provided at the top and bottom of the rear end of the insertion prevention tongue and inserted into guide sliding grooves formed on the bottom plate and the top plate of the lock frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408430.2U CN215168924U (en) | 2021-02-24 | 2021-02-24 | Door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120408430.2U CN215168924U (en) | 2021-02-24 | 2021-02-24 | Door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215168924U true CN215168924U (en) | 2021-12-14 |
Family
ID=79412089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120408430.2U Active CN215168924U (en) | 2021-02-24 | 2021-02-24 | Door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215168924U (en) |
-
2021
- 2021-02-24 CN CN202120408430.2U patent/CN215168924U/en active Active
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