Vertical hinged door lock

Abstract

The utility model discloses a vertical hinged door lock which comprises a front handle, a rear handle, a lock body installed between the front handle and the rear handle, and a lock tongue arranged in the lock body, a rotatable cylindrical touch column is arranged at the outer end of the lock tongue, a long rod is connected to the inner end of the lock tongue, a compression spring is sleeved outside the long rod, a first end part of the compression spring is pressed on the lock tongue, and a second end part of the compression spring is pressed on the lock tongue. And the second end part of the pressure spring is pressed in the lock body. When the door needs to be opened, only the door body needs to be pushed or pulled, the spring bolt is extruded to retract into the lock body after touching the buckling box on the door frame, and after the spring bolt completely leaves the buckling box, the long rod and the spring bolt are reversely popped out and reset by the compression spring; the vertical hinged door lock can open a door without pressing a handle by a user, the conditions that a door leaf cannot be unlocked due to back locking and people are locked are avoided, and the vertical hinged door lock is simple in structure and convenient and safe to use.

Description

Technical Field

[0001] The utility model relates to a flat door lock, which is applicable to a flat panoramic door lock for a flat door in a bathroom, a mechanical rebound structure, and a function of opening without pressing down, and relates to the technical field of panoramic doors. Background Art

[0002] Most of the existing flat door locks for bathrooms use magnetic locks or mechanical lock structures. However, for the locks of these two structures, users need to press the handle to make the lock core return to its position to open the door leaf. When opening the door, it is not convenient enough. At the same time, if the handle is pressed down for a long time, it will become loose and sag, and the function will fail, resulting in risks such as the user being unable to open the bathroom when locking it; and on the market, the magnetic lock catch box and the lock tongue achieve the closing of the door leaf through strong magnetic attraction. In case of emergencies such as foreign objects or external pressure, the lock tongue cannot return to its position, resulting in the door leaf being unable to open and affecting safety. Content of the Utility Model

[0003] The utility model provides a flat door lock to solve the problem that the flat door lock in the prior art needs to press the handle to open the door leaf.

[0004] The technical solution of the utility model is realized as follows:

[0005] The purpose of the utility model is to provide a flat door lock, which includes a front handle, a rear handle, a lock body installed between the front handle and the rear handle, and a lock tongue arranged in the lock body. The characteristics are as follows: a rotatable cylindrical collision column is arranged at the outer end of the lock tongue, a long rod is connected to the inner end of the lock tongue, a compression spring is sleeved outside the long rod, the first end of the compression spring presses on the lock tongue, and the second end of the compression spring presses on the inner side of the lock body.

[0006] The above-mentioned lock tongue includes a vertical baffle plate located in the lock body. An upper cross plate and a lower cross plate are connected to the outer side of the vertical baffle plate. The upper cross plate and the lower cross plate extend out of the panel of the lock body. The collision column is installed between the upper cross plate and the lower cross plate through a rotating shaft. The outer side surface of the collision column protrudes out of the upper cross plate and the lower cross plate. The long rod is connected to the inner side of the vertical baffle plate, and the first end of the compression spring presses on the vertical baffle plate.

[0007] A headless socket head cap screw is installed at the top of the above-mentioned vertical baffle plate. One end of the headless socket head cap screw abuts against the inner side of the panel, and an adjustment hole corresponding to the headless socket head cap screw is opened on the panel.

[0008] An insertion pin is further arranged in the above-mentioned lock body. The tail of the insertion pin is connected to a slider. Horizontal holes are correspondingly arranged on the front and rear sides of the lock body. The slider is installed in the horizontal holes. The two ends of the slider extend out of the horizontal holes and are respectively connected to the front handle and the rear handle. The left and right movement of the front handle and the rear handle drives the head of the insertion pin to extend out of or retract into the lock body.

[0009] The lock body described above is provided with a longitudinal first reinforcing rib, and an installation hole is formed on the first reinforcing rib. The tail of the long rod is located in the installation hole, and the second end of the compression spring presses against the periphery of the installation hole of the first reinforcing rib.

[0010] The lock body described above is further provided with a transverse second reinforcing rib. The second reinforcing rib is connected to the first reinforcing rib and divides the inner cavity of the lock body into an upper half cavity and a lower half cavity. The bolt and the slider are installed in the upper half cavity, and the lock tongue and the long rod are installed in the lower half cavity.

[0011] Compared with the prior art, the present utility model has the following advantages:

[0012] 1. The described flat door lock includes a front handle, a rear handle, a lock body installed between the front handle and the rear handle, and a lock tongue arranged in the lock body. A rotatable cylindrical contact post is provided at the outer end of the lock tongue. The inner end of the lock tongue is connected to a long rod, and a compression spring is sleeved outside the long rod. The first end of the compression spring presses against the lock tongue, and the second end of the compression spring presses against the inside of the lock body. When opening the door, only need to push / pull the door body. After the lock tongue touches the buckle box on the door frame and is squeezed, it retracts into the lock body. After the lock tongue completely leaves the buckle box, the compression spring pops the long rod and the lock tongue back to the reset position; the flat door lock does not require the user to press the handle to open the door, and there will be no situations such as the door leaf being locked and unable to open, locking people, etc. The structure is simple, and it is convenient and safe to use.

[0013] 2. Other advantages of the present utility model are described in detail in the embodiment part. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of the flat door lock provided by the embodiment of the present utility model;

[0015] Figure 2 It is a top view of the flat door lock;

[0016] Figure 3 It is Figure 2 the A-A sectional view of

[0017] Figure 4 It is an exploded view of the flat door lock. Detailed Embodiment

[0018] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] Such asFigures 1 to 4 As shown in Figures 1 to 4 , the present embodiment provides a side hung door lock, which includes a catch box installed on the door frame, a front handle 1, a rear handle 2 installed on the door leaf, a lock body 3 installed between the front handle 1 and the rear handle 2, and a lock tongue 4 arranged inside the lock body 3. A rotatable cylindrical contact post 41 is provided at the outer end of the lock tongue 4. A long rod 51 is connected to the inner end of the lock tongue 4. A compression spring 52 is sleeved outside the long rod 51. The first end of the compression spring 52 presses on the lock tongue 4, and the second end of the compression spring 52 presses inside the lock body 3.

[0020] For the side hung door lock, when opening the door, only need to push / pull the door leaf. When the lock tongue 4 touches the catch box on the door frame, it is squeezed and retracts into the lock body 3. After the lock tongue 4 completely leaves the catch box, the compression spring 52 pops the long rod 51 and the lock tongue 4 back to the reset position. When the contact post 41 is squeezed, it rotates, reducing wear. The side hung door lock does not require the user to press the handle to open the door, and there will be no situations such as the door leaf being locked and unable to open, locking people, etc. It has a simple structure, is convenient and safe to use.

[0021] The above-mentioned lock tongue 4 includes a vertical baffle 42 located inside the lock body 3. An upper horizontal plate 43 and a lower horizontal plate 44 are connected to the outside of the vertical baffle 42. The upper horizontal plate 43 and the lower horizontal plate 44 extend outside the panel 31 of the lock body 3. The contact post 41 is installed between the upper horizontal plate 43 and the lower horizontal plate 44 through a rotating shaft 45. The outer side surface of the contact post 41 protrudes outside the upper horizontal plate 43 and the lower horizontal plate 44. The long rod 51 is connected to the inner side of the vertical baffle 42. The first end of the compression spring 52 presses on the vertical baffle 42. The contact post 41 is made of stainless steel, with high hardness and not easy to wear. The structure of the lock tongue 4 is simple and convenient to install.

[0022] A socket head cap screw 46 is installed at the top of the above-mentioned vertical baffle 42. One end of the socket head cap screw 46 abuts against the inner side of the panel 31. An adjustment hole 32 corresponding to the socket head cap screw 46 is provided on the panel 31. The user can adjust the position between the socket head cap screw 46 and the baffle 42 through the adjustment hole 32 with a wrench, and then adjust the position of the long rod 51 to make the compression spring 52 work properly.

[0023] An insert bolt 61 is also provided inside the above-mentioned lock body 3. The tail of the insert bolt 61 is connected to a slider 62. Transverse holes 33 are correspondingly provided on the front and rear sides of the lock body 3. The slider 62 is installed in the transverse holes 33. Both ends of the slider 62 extend outside the transverse holes 33 and are respectively connected to the front handle 1 and the rear handle 2. The left and right movement of the front handle 1 / rear handle 2 drives the head of the insert bolt 61 to extend or retract into the lock body 3. The connection between the front handle 1 / rear handle 2 and the lock body 3 is simple and firm, and there will be no problems such as the hanging handle becoming loose. When locking is required, the front handle 1 / rear handle 2 can be pulled to drive the insert bolt 61, realizing the locking function of the door leaf.

[0024] A longitudinal first reinforcing rib 34 is provided inside the lock body 3 described above. An installation hole 36 is formed in the first reinforcing rib 34. The tail of the long rod 51 is located inside the installation hole 36, and the second end of the compression spring 52 presses against the periphery of the installation hole 36 of the first reinforcing rib 34.

[0025] A transverse second reinforcing rib 35 is further provided inside the lock body 3 described above. The second reinforcing rib 35 is connected to the first reinforcing rib 34 and divides the inner cavity of the lock body 3 into an upper half cavity 301 and a lower half cavity 302. The bolt 61 and the slider 62 are installed in the upper half cavity 301, and the lock tongue 4 and the long rod 51 are installed in the lower half cavity 302. The second reinforcing rib 35 and the first reinforcing rib 34 increase the hardness of the lock body 3, making the lock body more robust.

[0026] The flat door lock described in this embodiment has a simple structure, is convenient and safe to open the door, and has a low cost.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A swing door lock, comprising a front handle (1), a rear handle (2), a lock body (3) installed between the front handle (1) and the rear handle (2), and a lock tongue (4) arranged in the lock body (3), characterized in that: The outer end of the lock tongue (4) is provided with a rotatable cylindrical contact column (41), the inner end of the lock tongue (4) is connected to a long rod (51), and a compression spring (52) is sleeved outside the long rod (51), the first end of the compression spring (52) is pressed on the lock tongue (4), and the second end of the compression spring (52) is pressed inside the lock body (3).

2. A swing door lock according to claim 1, characterized in that: The lock tongue (4) comprises a vertical baffle (42) located in the lock body (3), the outer side of the vertical baffle (42) is connected to an upper transverse plate (43) and a lower transverse plate (44), the upper transverse plate (43) and the lower transverse plate (44) extend out of the panel (31) of the lock body (3), the contact column (41) is installed between the upper transverse plate (43) and the lower transverse plate (44) through a rotating shaft (45), the outer side surface of the contact column (41) protrudes out of the upper transverse plate (43) and the lower transverse plate (44), the long rod (51) is connected to the inner side of the vertical baffle (42), and the first end of the compression spring (52) is pressed on the vertical baffle (42).

3. A swing door lock according to claim 2, characterized in that: A headless hexagonal screw (46) is installed on the top of the vertical baffle (42), one end of the headless hexagonal screw (46) is pressed against the inner side of the panel (31), and an adjustment hole (32) is opened on the panel (31) corresponding to the headless hexagonal screw (46).

4. A swing door lock according to any one of claims 1 to 3, characterized in that: The lock body (3) is further provided with a latch pin (61), the tail of which is connected to a slider (62), and the front and rear sides of the lock body (3) are correspondingly provided with transverse holes (33), the slider (62) is installed in the transverse hole (33), the two ends of the slider (62) extend out of the transverse hole (33) and are respectively connected to the front handle (1) and the rear handle (2), and the front handle (1) and the rear handle (2) move left and right to drive the head of the latch pin (61) to extend out or retract into the lock body (3).

5. A swing door lock according to claim 4, characterized in that: A first longitudinal reinforcing rib (34) is provided in the lock body (3), a mounting hole (36) is provided on the first reinforcing rib (34), the tail of the long rod (51) is located in the mounting hole (36), and the second end of the compression spring (52) is pressed against the periphery of the mounting hole (36) of the first reinforcing rib (34).

6. A swing door lock according to claim 5, characterized in that: A second transverse reinforcing rib (35) is also provided in the lock body (3), the second reinforcing rib (35) is connected to the first reinforcing rib (34) and divides the inner cavity of the lock body (3) into an upper cavity (301) and a lower cavity (302), the latch pin (61) and the slider (62) are installed in the upper cavity (301), and the lock tongue (4) and the long rod (51) are installed in the lower cavity (302).

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