Lock catch box assembly and door lock
By setting the bearing and the lock tongue of the door lock body rolling cooperation at the lock slot of the lock box assembly, the problem of high friction between the lock groove and the lock tongue is solved, and the door opening feel is improved.
Patent Information
- Application Number
- CN202420214045.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-26
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-26
AI Technical Summary
The accuracy deviation between the door lock body and the lock box assembly during installation results in a large friction between the lock groove and the lock tongue, affecting the door opening feel.
A bearing is provided at the lock notch position of the lock box assembly for rolling cooperation with the lock tongue of the door lock body to reduce sliding friction.
Through the rolling cooperation between the bearing and the lock tongue, the problem of user's increased feel when opening the door is alleviated and the door feel is improved.
Smart Images
Figure CN222253512U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of security equipment, in particular to a lock box component and a door lock. Background Art
[0002] When installing the door lock, the door lock body is installed on the door body, and the lock box assembly is installed on the door frame, so that the lock slot of the lock box assembly corresponds to the position of the lock tongue of the door lock body. In this way, after closing the door, the lock tongue can extend into the lock slot to lock the door.
[0003] However, when the door lock body and the lock box assembly are installed, if the installation accuracy deviation is large, there will be a large friction between the lock slot and the lock tongue, so that when the user opens the door with the handle, the hand feel will be heavier and the door opening feel will be affected. Utility Model Content
[0004] The utility model discloses a lock box assembly and a door lock, so as to solve the problem in the related art that the door lock has a large friction force between a lock groove and a lock tongue, which affects the door opening feel.
[0005] In order to solve the above technical problems, the utility model is achieved as follows:
[0006] In a first aspect, the present application discloses a lock box assembly, which includes a first lock box and a first bearing assembly, wherein the first lock box is provided with a first lock groove, and the first bearing assembly includes a first bearing and a first connecting shaft, wherein the first bearing is sleeved on the first connecting shaft, and the first connecting shaft is provided on the first lock box and is located at a notch of the first lock groove, wherein at least a portion of the first bearing protrudes to an inner surface of the first lock groove for rolling cooperation with a first lock tongue of a door lock body.
[0007] In a second aspect, the present application further discloses a door lock, which comprises a door lock body and the lock box assembly described in the first aspect.
[0008] The technical solution adopted by the utility model can achieve the following technical effects:
[0009] The lock box assembly disclosed in the embodiment of the present application sets a first bearing at the notch position of the first lock slot, so that when the door body is in a closed state, the first lock tongue is located in the first lock slot and cooperates with the first bearing, and then when the user opens the door by using a handle or a key, the first lock tongue and the first bearing roll and cooperate, thereby avoiding sliding friction between the first lock tongue and the inner wall of the first lock slot, thereby alleviating the problem of the user's hand feeling being increased and affecting the door opening feel when opening the door by using a handle or a key. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1It is an overall schematic diagram of the lock box assembly disclosed in the embodiment of the utility model;
[0011] Figure 2 It is an exploded schematic diagram of the lock box assembly disclosed in the embodiment of the utility model;
[0012] Figure 3 A schematic diagram of the cooperation between the first locking box and the first bearing assembly disclosed in an embodiment of the utility model;
[0013] Figure 4 It is an exploded schematic diagram of the first locking box and the first bearing assembly disclosed in the embodiment of the utility model;
[0014] Figure 5 It is an axonometric view of the first lock box disclosed in the embodiment of the utility model;
[0015] Figure 6 It is a front view of the first lock box disclosed in the embodiment of the utility model;
[0016] Figure 7 for Figure 6 Sectional view at AA in the middle;
[0017] Figure 8 for Figure 7 The enlarged schematic diagram of point B in the middle;
[0018] Fig. 9 It is an axonometric view of the lock tongue mating part;
[0019] Fig.10 for Fig. 9 The main view;
[0020] Fig.11 for Fig.10 Sectional view at CC;
[0021] Fig.12 for Fig. 9 A top view of
[0022] Fig.13 for Fig. 9 Rear view of
[0023] Fig.14 for Fig.13 Cross-sectional view of the DD;
[0024] Fig.15 is a schematic diagram of the cooperation between the second locking box and the second bearing assembly;
[0025] Fig.16 is an exploded schematic diagram of the second locking box and the second bearing assembly;
[0026] Fig.17 It is a schematic diagram of the structure of the adjustment gear;
[0027] Fig.18 It is a structural schematic diagram of the door frame side strip;
[0028] Fig.19 is a schematic diagram of the cooperation between the first lock box and the first lock tongue;
[0029] Fig. 20 It is a schematic diagram of the cooperation between the second lock box and the second lock tongue.
[0030] Description of reference numerals:
[0031] 100-first lock box, 110-first lock box body, 111-first threaded hole, 112-convex part, 113-spring mounting hole, 120-lock tongue matching part, 121-first strip hole, 122-second strip hole, 123-recess, 130-adjustment assembly, 131-locking screw, 132-adjustment gear, 132a-gear body, 132b-rotation shaft, 133-rack, 140-spring, 150-first positioning convex part,
[0032] 200-first bearing assembly, 210-first bearing, 220-first connecting shaft,
[0033] 300- second lock box, 310- second positioning protrusion
[0034] 400-second bearing assembly, 410-second bearing, 420-second connecting shaft,
[0035] 500-door frame edge strip, 510-avoidance,
[0036] 610-main lock body, 620-secondary lock body, 601-first lock tongue, 602-second lock tongue. DETAILED DESCRIPTION
[0037] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0038] The technical solutions disclosed in various embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings.
[0039] Please refer to Figures 1 to 20The embodiment of the utility model discloses a lock box assembly, which is applied to a door lock. The disclosed lock box assembly is used to cooperate with a door lock body of a door lock. The disclosed lock box assembly includes a first lock box 100 and a first bearing assembly 200.
[0040] The first lock box 100 is provided with a first lock slot, and the first bearing assembly 200 includes a first bearing 210 and a first connecting shaft 220. The first bearing 210 is sleeved on the first connecting shaft 220, and the first connecting shaft 220 is provided in the first lock box 100 and is located at the notch of the first lock slot. At least part of the first bearing 210 protrudes to the inner surface of the first lock slot, and is used for rolling cooperation with the first lock tongue 601 of the door lock body.
[0041] It should be noted that the lock box assembly is used to be installed on the door frame, and the door lock body is used to be installed on the door body. The lock box assembly disclosed in the embodiment of the present application sets the first bearing 210 at the notch position of the first lock slot, so that when the door body is in a closed state, the first lock tongue 601 is located in the first lock slot and cooperates with the first bearing 210, and then when the user opens the door by a handle or a key, the first lock tongue 601 rolls with the first bearing 210, thereby avoiding sliding friction between the first lock tongue 601 and the inner wall of the first lock slot, and then alleviating the problem that the user's hand feeling is aggravated when opening the door by a handle or a key, which affects the hand feeling of opening the door.
[0042] In an optional embodiment, the first lock box 100 may include a first lock box body 110 and a lock tongue fitting portion 120. The first lock box body 110 may be provided with a receiving space with an open end, and the lock tongue fitting portion 120 may be disposed in the receiving space and enclose a first lock groove with the inner wall of the receiving space. The open end of the receiving space is the end where the notch of the first lock groove is located. The position of the lock tongue fitting portion 120 in a first direction relative to the first lock box body 110 is adjustable, and the first connecting shaft 220 is disposed on the lock tongue fitting portion 120, wherein the first direction is the direction in which the first bearing 210 protrudes from the inner surface of the first lock groove.
[0043] The lock box assembly disclosed in the embodiment of the present application is configured such that the first lock box 100 is configured to include a first lock box body 110 and a lock tongue matching portion 120, and the first lock box body 110 is configured to have a structure with a accommodating space with one end open, so that the lock tongue matching portion 120 can be arranged in the accommodating space, and further, the lock tongue matching portion 120 is configured to be adjustable in position relative to the first lock box body 110 in a first direction, and the first connecting shaft 220 is arranged on the lock tongue matching portion 120, so that when the relative position of the first lock tongue 601 and the first bearing 210 is misaligned due to sagging, deformation, etc. of the door body, the position of the first bearing 210 can be adjusted by adjusting the position of the lock tongue matching portion 120 relative to the first lock box body 110 in the first direction, so that the first lock tongue 601 and the first bearing 210 can be better matched.
[0044] It should be noted that the lock tongue mating portion 120 can be arranged in the accommodating space of the first lock box body 110 by bonding, so that when it is necessary to adjust the position of the lock tongue mating portion 120 relative to the first lock box body 110 in the first direction, the lock tongue mating portion 120 can be torn off and re-bonded to adjust the position of the first bearing 210.
[0045] In another embodiment, the first lock box 100 may further include an adjustment component 130, and the adjustment component 130 may include a locking screw 131. A first threaded hole 111 may be provided at the bottom of the first lock box body 110, and a first strip hole 121 extending along the first direction may be provided at a position of the lock tongue matching portion 120 opposite to the first threaded hole 111, and the locking screw 131 may pass through the first strip hole 121 and connect with the first threaded hole 111, and the locking screw 131 has a locked state and an unlocked state. When the locking screw 131 is in the locked state, the lock tongue matching portion 120 may be fixedly connected to the first lock box body 110. When the locking screw 131 is in the unlocked state, the lock tongue matching portion 120 moves and matches relative to the first lock box body 110 in the first direction.
[0046] The lock box assembly disclosed in the embodiment of the present application is provided with a locking screw 131, and a first threaded hole 111 is opened at the bottom of the first lock box body 110. A first strip hole 121 extending along the first direction can be opened at a position of the lock tongue matching portion 120 opposite to the first threaded hole 111, so that the locking screw 131 can pass through the first strip hole 121 and connect with the first threaded hole 111, so that when the locking screw 131 is in a locked state, the lock tongue matching portion 120 can be fixedly connected with the first lock box body 110 through the locking screw 131, thereby realizing the installation of the lock tongue matching portion 120. When the locking screw 131 is in an unlocked state, the lock tongue matching portion 120 can move and match relative to the first lock box body 110, and then under the guidance of the first strip hole 121, the position of the lock tongue matching portion 120 relative to the first lock box body 110 in the first direction can be adjusted.
[0047] Specifically, the adjustment assembly 130 may further include an adjustment gear 132 and a rack 133, the rack 133 may be provided on one side of the bolt matching portion 120 facing the bottom of the first lock box body 110, the adjustment gear 132 may include a gear body 132a and a rotation shaft 132b passing through the rotation center of the gear body 132a, the first end of the rotation shaft 132b is rotatably provided at the bottom of the first lock box body 110, and the bolt matching portion 120 may be provided with a second bar-shaped hole 122 at a position opposite to the second end of the rotation shaft 132b. The gear body 132a may be meshed with the rack 133, the second end of the rotation shaft 132b may be an adjustment end, and the rotation shaft 132b may be used to drive the gear body 132a to rotate through the adjustment end, so that the rack 133 drives the bolt matching portion 120 to move relative to the first lock box body 110 along the first direction.
[0048] The lock box assembly disclosed in the embodiment of the present application is provided with an adjustment assembly 130 including an adjustment gear 132 and a rack 133, so that the rack 133 is arranged on one side of the bolt matching portion 120 facing the bottom of the first lock box body 110, and the adjustment gear 132 is rotatably arranged on the bottom of the first lock box body 110, so that the gear body 132a of the adjustment gear 132 can mesh with the rack 133, and further, by opening a second strip hole 122 at a position opposite to the second end of the rotating shaft 132b of the bolt matching portion 120, a user can use a professional tool to reach into the second strip hole 122 and cooperate with the adjustment end of the adjustment gear 132 to drive the gear body 132a to rotate, so that the rack 133 drives the bolt matching portion 120 to move relative to the first lock box body 110 along the first direction. By adopting the transmission mode of meshing the gear body 132a with the rack 133, the position of the bolt matching portion 120 can be adjusted more accurately.
[0049] The second end of the rotating shaft 132 b can extend into the second strip-shaped hole 122 , so that the second end of the rotating shaft 132 b can be limited, thereby improving the stability of the installation of the adjusting gear 132 .
[0050] Of course, in other embodiments, the adjustment component 130 can be an adjustment screw, which can be arranged on two end faces of the first lock box body 110 that are opposite to each other along the first direction and cooperate with the two end face threads. One end of the adjustment screw can pass through the corresponding end face of the first lock box body 110 and interfere with the lock tongue mating part 120. The position of the lock tongue mating part 120 relative to the first lock box body 110 can be adjusted by cooperating with the two adjustment screws, and the adjustment screw can also lock the lock tongue mating part 120.
[0051] In order to make the position of the lock tongue matching part 120 more stable after the adjustment is completed, optionally, one of the two surfaces opposite to the bottom of the first lock box body 110 and the lock tongue matching part 120 can be provided with a plurality of convex parts 112 arranged in sequence along the first direction, and the other can be provided with a plurality of concave parts 123 arranged in sequence along the first direction. When the locking screw 131 is in the locked state, the convex part 112 can be plugged and matched with the concave part 123. When the locking screw 131 is in the unlocked state, the convex part 112 can be separated from the concave part 123.
[0052] The lock box assembly disclosed in the embodiment of the present application is provided with a plurality of protrusions 112 arranged in sequence and spaced apart along the first direction on one of the two opposite surfaces of the bottom of the first lock box body 110 and the lock tongue matching part 120, and a plurality of recesses 123 arranged in sequence and spaced apart along the first direction on the other, so that when the locking screw 131 is in a locked state, the protrusions 112 and the recesses 123 are plugged and matched with each other, thereby making the position of the lock tongue matching part 120 more stable; when the locking screw 131 is in an unlocked state, the protrusions 112 can be separated from the recesses 123, thereby avoiding interference between the protrusions 112 and the recesses 123 when adjusting the position of the lock tongue matching part 120.
[0053] In order to separate the convex part 112 from the concave part 123, the user can manually control the convex part 112 to separate from the concave part 123. In order to automatically separate the convex part 112 from the concave part 123 when the locking screw 131 is in the unlocked state, optionally, the first lock box 100 may further include a spring 140, which may be arranged between the bottom of the first lock box body 110 and the lock tongue matching part 120. When the locking screw 131 is in the locked state, the spring 140 is in a compressed state. When the locking screw 131 is in the unlocked state, the spring 140 can drive the lock tongue matching part 120 away from the bottom of the first lock box body 110 to separate the convex part 112 from the concave part 123, thereby realizing the automatic separation of the convex part 112 from the concave part 123 when the locking screw 131 is in the unlocked state.
[0054] In order to make the installation of the spring 140 more stable, optionally, a spring installation hole 113 may be provided at the bottom of the first lock box body 110, and the spring installation hole 113 may be arranged concentrically with the first threaded hole 111, and the aperture of the spring installation hole 113 may be larger than the aperture of the first threaded hole 111. At least part of the spring 140 may be located in the spring installation hole 113, and may conflict with the step surface formed at the connection between the spring installation hole 113 and the first threaded hole 111. The locking screw 131 may be used to pass through the first strip hole 121, the spring installation hole 113 and the spring 140 to connect with the first threaded hole 111.
[0055] The lock box assembly disclosed in the embodiment of the present application is provided with a spring mounting hole 113 concentrically arranged with the first threaded hole 111 at the bottom of the first lock box body 110, and the aperture of the spring mounting hole 113 is larger than the aperture of the first threaded hole 111, so that at least part of the spring 140 is located in the spring mounting hole 113 and can interfere with the step surface formed at the connection between the spring mounting hole 113 and the first threaded hole 111, thereby making the installation of the spring 140 more stable, and the locking screw 131 passes through the first strip hole 121, the spring mounting hole 113 and the spring 140 in sequence and is connected to the first threaded hole 111, which can prevent the spring 140 from being skewed when the spring 140 is compressed.
[0056] In an optional embodiment, the first locking tongue 601 may be an inclined tongue, and the first bearing assembly 200 may be multiple. The multiple first bearing assemblies 200 may be arranged at the same side notch of the first locking groove for rolling cooperation with the side of the inclined surface of the inclined tongue away from the inclined tongue.
[0057] It should be noted that, in some embodiments, in order to improve the anti-theft capability of the door lock, the door lock body can be in the form of a main lock body 610 and a secondary lock body 620, and the main lock body 610 and the secondary lock body 620 can be unlocked and locked in a linkage manner. The first lock tongue 601 can be the lock tongue of the main lock body 610, and the lock tongue of the secondary lock body 620 can be the second lock tongue 602.
[0058] Optionally, the lock box assembly may further include a second lock box 300 and a second bearing assembly 400, the second lock box 300 may be provided with a second lock groove, and the second bearing assembly 400 may include a second bearing 410 and a second connecting shaft 420. The second bearing 410 may be sleeved on the second connecting shaft 420, the second connecting shaft 420 may be provided on the second lock box 300 and located at the notch of the second lock groove, and at least a portion of the second bearing 410 may protrude to the inner surface of the second lock groove for rolling cooperation with the second lock tongue 602 of the door lock body.
[0059] The lock box assembly disclosed in the embodiment of the present application is provided with a second lock box 300 and a second bearing assembly 400, so that the second bearing 410 of the second bearing assembly 400 can be located in the notch of the second lock slot of the second lock box 300, and at least part of it can protrude to the inner surface of the second lock slot, so that when the user opens the door by means of a handle or a key, the second lock tongue 602 of the door lock body rolls with the second bearing 410, thereby avoiding sliding friction between the second lock tongue 602 and the inner wall of the second lock slot, thereby alleviating the problem of the user's hand feeling being increased and affecting the door opening feel when opening the door by means of a handle or a key.
[0060] Specifically, the second locking tongue may be a square tongue, and there may be a plurality of second bearing assemblies 400. The plurality of second bearing assemblies 400 may be distributed at two opposite notches of the second locking groove for rolling cooperation with the square tongue.
[0061] In an optional embodiment, the lock box assembly may further include a door frame strip 500 and fixing screws, and the door frame strip 500 may be used to be installed on the door frame. The door frame strip 500 may be provided with a plurality of avoidance openings 510, and the end where the notch of the first lock box 100 is located may be provided with a first positioning protrusion 150, and the first positioning protrusion 150 may be used to extend into the avoidance opening 510 and be positioned and matched with the inner surface of the avoidance opening 510, and the end where the notch of the first lock box 100 is located may be in conflict with the side surface of the door frame strip 500, and the first lock box 100 may be installed on the door frame strip 500 by fixing screws, so as to facilitate the installation of the first lock box 100 on the door frame strip 500.
[0062] Optionally, the lock box assembly may further include a door frame strip 500 and fixing screws, and the door frame strip 500 may be used to be installed on the door frame. The door frame strip 500 may be provided with a plurality of avoidance openings 510, and the end where the notch of the second lock box 300 is located may be provided with a second positioning protrusion 310, and the second positioning protrusion 310 may be used to extend into the avoidance opening 510 and be positioned and matched with the inner surface of the avoidance opening 510, and the end where the notch of the second lock box 300 is located may be in conflict with the side surface of the door frame strip 500, and the second lock box 300 is installed on the door frame strip 500 by fixing screws, so as to facilitate the installation of the second lock box 300 on the door frame strip 500.
[0063] The present application also discloses a door lock, which includes a door lock body and a lock box assembly disclosed in the above embodiment. The door lock disclosed in the embodiment of the present application is configured to include the lock box assembly disclosed in the above embodiment, which can alleviate the problem that the user's hand feeling is increased when opening the door with a handle or a key, thereby affecting the hand feeling of opening the door.
[0064] The above embodiments of the present invention focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. Considering the simplicity of the text, they will not be repeated here.
[0065] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, all of which are within the protection of the utility model.
Claims
1. A lock box assembly, characterized in that: The invention comprises a first lock box (100) and a first bearing assembly (200), wherein the first lock box (100) is provided with a first lock groove, and the first bearing assembly (200) comprises a first bearing (210) and a first connecting shaft (220), wherein the first bearing (210) is sleeved on the first connecting shaft (220), and the first connecting shaft (220) is arranged in the first lock box (100) and is located at a notch of the first lock groove, and at least a portion of the first bearing (210) protrudes from the inner surface of the first lock groove and is used for rolling cooperation with a first lock tongue (601) of a door lock body.
2. The lock box assembly according to claim 1, characterized in that: The first lock box (100) comprises a first lock box body (110) and a lock tongue fitting portion (120), wherein the first lock box body (110) is provided with a receiving space with an open end, the lock tongue fitting portion (120) is arranged in the receiving space and forms the first lock groove with the inner wall of the receiving space, the position of the lock tongue fitting portion (120) relative to the first lock box body (110) in a first direction is adjustable, and the first connecting shaft (220) is arranged on the lock tongue fitting portion (120), wherein the first direction is the direction in which the first bearing (210) protrudes from the inner surface of the first lock groove.
3. The lock box assembly according to claim 2, characterized in that: The first lock box (100) further comprises an adjustment component (130), the adjustment component (130) comprises a locking screw (131), a first threaded hole (111) is provided at the bottom of the first lock box body (110), a first strip hole (121) extending along the first direction is provided at a position of the lock tongue matching portion (120) opposite to the first threaded hole (111), the locking screw (131) passes through the first strip hole (121) and is connected to the first threaded hole (111), and the locking screw (131) has a locking state and an unlocking state; When the locking screw (131) is in the locking state, the locking tongue matching portion (120) is fixedly connected to the first locking box body (110); When the locking screw (131) is in the unlocked state, the locking tongue mating portion (120) moves and fits relative to the first locking box body (110) in the first direction.
4. The lock box assembly according to claim 3, characterized in that: The adjusting assembly (130) further comprises an adjusting gear (132) and a rack (133), wherein the rack (133) is arranged on one side of the locking tongue matching portion (120) facing the bottom of the first lock box body (110), and the adjusting gear (132) comprises a gear body (132a) and a rotating shaft (132b) passing through the rotating center of the gear body (132a), wherein the first end of the rotating shaft (132b) is rotatably arranged on the bottom of the first lock box body (110), and the locking tongue matching portion (120) is arranged on the bottom of the first lock box body (110). A second strip-shaped hole (122) is provided at a position of the engaging portion (120) opposite to the second end of the rotating shaft (132b); the gear body (132a) is meshed with the rack (133); the second end of the rotating shaft (132b) is an adjustment end; the rotating shaft (132b) is used to drive the gear body (132a) to rotate via the adjustment end, so that the rack (133) drives the locking tongue mating portion (120) to move relative to the first lock box body (110) along the first direction.
5. The lock box assembly according to claim 3, characterized in that: Of the two surfaces opposite to each other, the bottom of the first lock box body (110) and the locking tongue matching portion (120), one is provided with a plurality of convex portions (112) arranged in sequence and at intervals along the first direction, and the other is provided with a plurality of concave portions (123) arranged in sequence and at intervals along the first direction; When the locking screw (131) is in the locking state, the convex portion (112) and the concave portion (123) are plug-fitted into each other; When the locking screw (131) is in the unlocked state, the convex portion (112) can be separated from the concave portion (123).
6. The lock box assembly according to claim 5, characterized in that: The first lock box (100) further comprises a spring (140), wherein the spring (140) is arranged between the bottom of the first lock box body (110) and the lock tongue matching portion (120); When the locking screw (131) is in the locked state, the spring (140) is in a compressed state; When the locking screw (131) is in the unlocked state, the spring (140) drives the locking tongue matching portion (120) away from the bottom of the first lock box body (110), so that the convex portion (112) is separated from the concave portion (123).
7. The lock box assembly according to claim 6, characterized in that: A spring mounting hole (113) is also provided at the bottom of the first locking box body (110). The spring mounting hole (113) is concentrically arranged with the first threaded hole (111), and the diameter of the spring mounting hole (113) is larger than the diameter of the first threaded hole (111). At least part of the spring (140) is located in the spring mounting hole (113). The locking screw (131) is used to pass through the first strip hole (121), the spring mounting hole (113) and the spring (140) to be connected to the first threaded hole (111).
8. The lock box assembly according to claim 1, characterized in that: The first locking tongue (601) is an inclined tongue, and the first bearing assemblies (200) are multiple, and the multiple first bearing assemblies (200) are arranged at the same side notch of the first locking groove, and are used for rolling cooperation with the side of the inclined surface of the inclined tongue away from the inclined tongue.
9. The lock box assembly according to claim 1, characterized in that: The lock box assembly further comprises a second lock box (300) and a second bearing assembly (400); the second lock box (300) is provided with a second lock slot, and the second bearing assembly (400) comprises a second bearing (410) and a second connecting shaft (420); The second bearing (410) is sleeved on the second connecting shaft (420), and the second connecting shaft (420) is arranged in the second lock box (300) and is located at the notch of the second lock groove. At least part of the second bearing (410) protrudes from the inner surface of the second lock groove and is used for rolling cooperation with the second lock tongue (602) of the door lock body.
10. The lock box assembly according to claim 9, characterized in that: The second locking tongue is a square tongue, and the second bearing assembly (400) is multiple, and the multiple second bearing assemblies (400) are distributed at the positions of two opposite notches of the second locking groove, and are used for rolling cooperation with the square tongue.
11. The lock box assembly according to claim 1 or 9, characterized in that: The lock box assembly further comprises a door frame side strip (500) and fixing screws, the door frame side strip (500) is provided with a plurality of avoidance openings (510), the end portion where the notch of the first lock box (100) is located is provided with a first positioning protrusion (150), the first positioning protrusion (150) is used to extend into the avoidance opening (510) and to be positioned and matched with the inner surface of the avoidance opening (510), the end portion where the notch of the first lock box (100) is located is in contact with the side surface of the door frame side strip (500), and the first lock box (100) is mounted on the door frame side strip (500) by means of the fixing screws; Alternatively, the lock box assembly further comprises a second lock box (300) and a second bearing assembly (400), the second lock box (300) is provided with a second lock slot, and the second bearing assembly (400) comprises a second bearing (410) and a second connecting shaft (420); The second bearing (410) is sleeved on the second connecting shaft (420), the second connecting shaft (420) is arranged on the second lock box (300) and is located at the notch of the second lock groove, and at least part of the second bearing (410) protrudes from the inner surface of the second lock groove and is used for rolling cooperation with the second lock tongue (602) of the door lock body; A second positioning protrusion (310) is provided at the end where the notch of the second lock box (300) is located. The second positioning protrusion (310) is used to extend into the avoidance opening (510) and to be positioned and matched with the inner surface of the avoidance opening (510). The end where the notch of the second lock box (300) is located is in contact with the side surface of the door frame side strip (500). The second lock box (300) is installed on the door frame side strip (500) by means of the fixing screws.
12. A door lock, characterized in that: It comprises a door lock body and a lock box assembly as claimed in any one of claims 1 to 11.