Adjustable entry door bolt box

Abstract

The present invention provides an adjustable entrance door lock tongue box, including a baffle shell, an adjustable bottom box is arranged inside the baffle shell, a plurality of bottom box adjustment units are arranged on one side of the inner part of the baffle shell, the middle parts of the plurality of bottom box adjustment units are all slidably connected to one side of the adjusting bottom box, a plurality of return springs are sleeved and connected on one side of the outer part of the adjusting bottom box, the plurality of return springs abut against the other side of the inner part of the baffle shell, and a folding door stop mechanism is arranged on one side of the outer part of the baffle shell. The invention greatly improves the overall firmness through the integrated design of the baffle shell, reduces the assembly steps during installation, and facilitates the installation operation. The cooperation between the adjusting bottom box and the bottom box adjustment unit greatly facilitates the adjustment of the cooperation gap, solves the difficulties at the installation site, and greatly reduces the after-sales costs caused by complaints and quality issues.

Description

Technical Field

[0001] The invention relates to the technical field of entrance doors, and in particular to an adjustable entrance door lock tongue box. Background Art

[0002] The entrance door is the first gate to enter the house, so of course its anti-theft performance should be higher. Therefore, the entrance door is also called the anti-theft door, and the cooperation between the lock body and the lock box of the entrance door is particularly important. After closing the door, if the lock tongue and the lock box are too loose, the door gap is large and the possibility of being pried is greater. If the contact is too tight, the lock tongue will be worn more and the lock body will be easily damaged.

[0003] At present, most of the lock bolt box baffles of the entrance doors on the market have the following pain points:

[0004] 1. The lock box is made of plastic material, which has poor firmness and is easy to deform during transportation or installation, resulting in improper installation or even failure to install.

[0005] 2. There is an error in the lock block after installation;

[0006] 3. After the product arrives, the front-end construction site complains that after installation, the lock tongue and the lock tongue hole are too tight, or the door cannot be closed. It is necessary to use a file to grind the baffle to expand the lock tongue hole to solve the problem. It is not only time-consuming and laborious, but also difficult to control and easy to damage. The baffle after filing is very ugly and unsightly. If it is too loose, it is necessary to drill a hole again for installation, which is more cumbersome and difficult to install.

[0007] 4. The front and rear transport blocks have quality problems, resulting in unnecessary transportation costs. Summary of the invention

[0008] In view of the above problems, the present invention provides an adjustable entrance door lock tongue box, the purpose of which is to solve the technical problems of firm structure, matching clearance, convenient installation and operation, and more beautiful appearance after installation proposed in the above background technology.

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an adjustable entrance door lock tongue box comprises a baffle shell, an adjustable bottom box is provided inside the baffle shell, a plurality of bottom box adjustment units are provided on one side of the inner part of the baffle shell, the middle parts of the plurality of bottom box adjustment units are all slidably connected to one side of the adjustment bottom box, a plurality of return springs are sleeved and connected on one side of the outer part of the adjustment bottom box, the plurality of return springs are all abutted against the other side of the inner part of the baffle shell, and a folding door stop mechanism is provided on one side of the outer part of the baffle shell.

[0010] Furthermore, the baffle housing includes a door lock baffle, and one side of the door lock baffle is fixedly connected to one side of the adjustment housing.

[0011] Furthermore, a plurality of lock tongue openings are provided in the middle of the door lock baffle, a plurality of countersunk screw reserved holes are provided at both ends of the door lock baffle, and a curved edge is provided on one side of the door lock baffle.

[0012] Furthermore, the adjusting shell is symmetrically provided with a plurality of adjustment limit holes at both ends of one side connected to the door lock baffle, the inner side of the adjusting shell is provided with a plurality of spring placement grooves, the plurality of spring placement grooves are respectively provided with the return springs, and the adjusting shell is provided with a folding fixed hook fixedly connected to one side of the folding door stop mechanism.

[0013] Furthermore, the adjustment bottom box is provided with adjustment limit blocks at both ends of one side close to the door lock baffle, and the multiple adjustment limit blocks are respectively slidably connected to the adjustment limit holes, and an adjustment inclined surface is provided inside the other side of the adjustment bottom box, and a multiple adjustment holes are opened in the middle of the adjustment inclined surface, and the multiple adjustment holes are respectively slidably connected to the middle of the bottom box adjustment unit, and the other side of the adjustment bottom box is fixedly connected to one end of a multiple adjustment guide rods, and the middle parts of the multiple adjustment guide rods are respectively sleeved and connected to the reset springs, and one ends of the multiple adjustment guide rods are respectively slidably connected to the inside of the spring placement groove.

[0014] Furthermore, the bottom box adjustment unit includes an adjusting screw, one end of which is fixedly connected to one side of the inner part of the adjusting shell, the middle part of the adjusting screw is sleeved with an adjusting bevel block, and the other side of the adjusting bevel block and the other end of the adjusting screw are threadedly connected to an adjusting nut.

[0015] Furthermore, the middle portion of the adjusting screw rod is slidably connected to the inside of the adjusting hole, and one side of the adjusting bevel block abuts against the adjusting bevel surface.

[0016] Furthermore, the folding door stop mechanism includes a door stop block, both ends of which are fixedly connected to the folding movable blocks, one end of multiple folding movable blocks is rotatably connected to one end of multiple first rocker arms, the other end of multiple folding movable blocks is rotatably connected to one end of multiple second rocker arms, the other ends of multiple first rocker arms are rotatably connected to one end of the folding fixed block, the other ends of multiple second rocker arms are rotatably connected to the other end of the folding fixed block, multiple folding fixed blocks are fixedly connected to one side of the baffle shell, one side of multiple folding movable blocks is fixedly connected to one end of a tension spring, and the other ends of multiple tension springs are fixedly connected to one side of the baffle shell.

[0017] Furthermore, the plurality of first rocking arms and the plurality of second rocking arms are arranged in parallel and staggered manner.

[0018] Furthermore, a lock tongue groove is provided on one side of the door stopper, and a hand buckle groove is provided on the other side of the door stopper. A folding fixed card slot is provided on one side of the hand buckle groove and the other side of the door stopper, and the folding fixed card slot is engaged with the folding fixed hook.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] The integrated design of the baffle shell greatly improves the overall sturdiness, reduces the assembly steps during installation, and facilitates the installation operation. By adjusting the coordination between the bottom box and the bottom box adjustment unit, the adjustment of the coordination gap is greatly facilitated, which solves the difficulties at the installation site and greatly reduces the after-sales costs caused by complaints and quality issues. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the appearance structure of the present invention A;

[0022] Figure 2 This is a schematic diagram B of the appearance structure of the present invention;

[0023] Figure 3 It is a schematic diagram of a cutaway top view of the internal structure of the present invention;

[0024] Figure 4 It is a schematic cross-sectional view of the baffle housing structure of the present invention;

[0025] Figure 5 It is a schematic cross-sectional view of the adjustable bottom box structure of the present invention;

[0026] Figure 6 It is a structural schematic diagram of the bottom box adjustment unit of the present invention;

[0027] Figure 7 It is a structural schematic diagram of the folding door stop mechanism of the present invention;

[0028] Figure 8 This is a schematic diagram A of the structure and operation of the folding door stop mechanism of the present invention;

[0029] Fig. 9 Schematic diagram B of the operation structure of the folding door stop mechanism of the present invention.

[0030] In the figure: 1. baffle housing; 11. door lock baffle; 111. lock tongue; 112. countersunk screw reserved hole; 113. arc edge; 12. adjustment housing; 121. adjustment limit hole; 122. spring placement slot; 123. folding fixed hook; 2. adjustment bottom box; 21. adjustment limit block; 22. adjustment inclined plane; 23. adjustment hole; 24. adjustment guide rod; 3. bottom box adjustment unit; 31. adjustment screw rod; 32. adjustment inclined block; 33. adjustment nut; 4. reset spring; 5. folding door stop mechanism; 51. door stop block; 511. lock tongue slot; 512. hand buckle slot; 513. folding fixed slot; 52. folding movable block; 53. first rocker; 54. second rocker; 55. folding fixed block; 56. tension spring. DETAILED DESCRIPTION

[0031] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] For example, please refer to Figure 1-3 The adjustable entrance door lock tongue box comprises a baffle shell 1, an adjustable bottom box 2 is arranged inside the baffle shell 1, a plurality of bottom box adjustment units 3 are arranged on one side of the inner part of the baffle shell 1, the middle parts of the plurality of bottom box adjustment units 3 are all slidably connected to one side of the adjustment bottom box 2, a plurality of return springs 4 are sleeved and connected on one side of the outer part of the adjustment bottom box 2, the plurality of return springs 4 are all against the other side of the inner part of the baffle shell 1, and a folding door stop mechanism 5 is arranged on one side of the outer part of the baffle shell 1.

[0035] For example, please refer to Figure 1-4The baffle housing 1 includes a door lock baffle 11, one side of which is fixedly connected to one side of the adjustment housing 12. This design improves the stability of the overall structure through the integrated design of the door lock baffle 11 and the adjustment housing 12, and facilitates on-site installation operations.

[0036] For example, please refer to Figure 1-2 A plurality of lock tongue openings 111 are provided in the middle of the door lock baffle 11, and a plurality of countersunk screw reserved holes 112 are respectively provided at both ends of the door lock baffle 11. An arcuate edge 113 is provided on one side of the door lock baffle 11. This design uses the arcuate edge 113 to draw the lock tongue into the lock tongue opening 111, thereby reducing the wear of the door lock baffle 11 on the lock tongue. The countersunk screw reserved holes 112 greatly facilitate the alignment during installation and facilitate operation.

[0037] For example, please refer to Figure 4 The adjusting shell 12 is connected to the door lock baffle 11 on one side and has multiple adjustment limit holes 121 symmetrically provided at both ends thereof. The inner side of the adjusting shell 12 is provided with multiple spring placement grooves 122, and the multiple spring placement grooves 122 are respectively provided with the reset springs 4. The adjusting shell 12 is provided with a folding door stop mechanism 5 on one side thereof, and is fixedly connected to a folding fixed hook 123. This design limits one side of the adjusting bottom box 2 to always be close to the door lock baffle 11 through the adjustment limit holes 121.

[0038] For example, please refer to Figure 5 , the adjusting bottom box 2 is respectively provided with adjusting limit blocks 21 at both ends of one side close to the door lock baffle 11, and the plurality of adjusting limit blocks 21 are respectively slidably connected to the adjusting limit holes 121, and the other side of the adjusting bottom box 2 is provided with an adjusting inclined surface 22, and the middle part of the adjusting inclined surface 22 is provided with a plurality of adjusting holes 23, and the plurality of adjusting holes 23 are respectively slidably connected to the middle part of the bottom box adjusting unit 3, and the other side of the adjusting bottom box 2 is fixedly connected to one end of a plurality of adjusting guide rods 24, and the middle parts of the plurality of adjusting guide rods 24 are respectively sleeved and connected to the reset spring 4, and one end of the plurality of adjusting guide rods 24 is respectively slidably connected to the inside of the spring placement groove 122. This design ensures that the adjusting bottom box 2 always keeps close to the door lock baffle 11 before and after adjustment by adjusting the limit blocks 21 and adjusting the limit holes 121, and the adjusting bottom box 2 is always pushed to the side close to the arc edge 113 by adjusting the plurality of adjusting guide rods 24 in cooperation with the reset spring 4 and the spring placement groove 122.

[0039] For example, please refer to Figure 6The bottom box adjustment unit 3 includes an adjustment screw rod 31, one end of which is fixedly connected to one side of the inner part of the adjustment housing 12, and the middle part of the adjustment screw rod 31 is sleeved with an adjustment bevel block 32, and the other side of the adjustment bevel block 32 and the other end of the adjustment screw rod 31 are threadedly connected to an adjustment nut 33. This design pushes the adjustment bevel block 32 by screwing the adjustment nut 33 with the thread cooperation of the adjustment screw rod 31.

[0040] For example, please refer to Figure 3 The middle part of the adjusting screw rod 31 is slidably connected to the inside of the adjusting hole 23, and one side of the adjusting bevel block 32 abuts against the adjusting bevel surface 22. This design promotes the movement of the adjusting bottom box 2 by slidingly matching the adjusting bevel block 32 and the adjusting bevel surface 22.

[0041] For example, please refer to Figure 7-9 The folding door stop mechanism 5 includes a door stopper 51, both ends of which are fixedly connected to a folding movable block 52, one end of each of the folding movable blocks 52 is rotatably connected to one end of each of the first rocking arms 53, the other end of each of the folding movable blocks 52 is rotatably connected to one end of each of the second rocking arms 54, the other ends of each of the first rocking arms 53 are rotatably connected to one end of a folding fixed block 55, the other ends of each of the second rocking arms 54 are rotatably connected to the other end of each of the folding fixed blocks 55, and the folding fixed blocks 55 are fixedly connected to On one side of the baffle housing 1, one side of the multiple folding movable blocks 52 are respectively fixedly connected to one end of the tension spring 56, and the other ends of the multiple tension springs 56 are respectively fixedly connected to one side of the baffle housing 1. This design forms a parallelogram structure through multiple first rockers 53 and multiple second rockers 54 in conjunction with the folding movable block 52. When the door stopper 51 is pulled, the direction of the door stopper 51 is kept unchanged. Through multiple tension springs 56 arranged on the side of the rotating shaft at one end of the first rocker 53 close to the baffle housing 1, the door stopper 51 can be positioned and maintained when opened and folded.

[0042] For example, please refer to Figure 7-9 The plurality of first rocking arms 53 and the plurality of second rocking arms 54 are arranged in parallel and staggered manner.

[0043] For example, please refer to Figure 7-9A lock tongue groove 511 is provided on one side of the door stopper 51, and a hand groove 512 is provided on the other side of the door stopper 51. A folding fixing groove 513 is provided on one side of the hand groove 512 and the other side of the door stopper 51. The folding fixing groove 513 is engaged with the folding fixing hook 123. This design engages the lock tongue through the lock tongue groove 511 to keep the door leaf in a half-closed state and prevent it from being easily blown open by the wind. The door stopper 51 is conveniently opened through the hand groove 512, and the door stopper 51 in the folded state is fixed by the folding fixing groove 513 and the folding fixing hook 123.

[0044] Operation principle: First, fix the whole on the door frame through the countersunk screw reserved hole 112. After installation, close the door for testing. If the gap is too large, tighten the adjusting nut 33. Under the thread cooperation of the adjusting screw rod 31, push the adjusting bevel block 32. Through the sliding cooperation between the adjusting bevel block 32 and the adjusting bevel 22, the adjusting bottom box 2 is pushed to the side of the spring placement slot 122 to reduce the gap. If the gap is too small and needs to be loosened, the adjusting nut 33 can be loosened. Through multiple adjusting guide rods 2 4. The cooperation between the reset spring 4 and the spring placement groove 122 always pushes the adjustment bottom box 2 to the side close to the arc-shaped edge 113 to enlarge the gap. When the door needs to be ajar in daily life, the door stopper 51 is opened through the buckle groove 512. A plurality of tension springs 56 are arranged on the side of the rotating shaft at one end of the first rocker 53 close to the baffle housing 1, which can be positioned and maintained when opened and folded. The lock tongue is engaged with the lock tongue groove 511 to keep the door leaf in a ajar state and prevent it from being easily blown open by the wind.

[0045] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. Adjustable entrance door bolt box, characterized by: The invention comprises a baffle shell (1), wherein an adjustable bottom box (2) is arranged inside the baffle shell (1), a plurality of bottom box adjusting units (3) are arranged on one side of the inside of the baffle shell (1), the middle parts of the plurality of bottom box adjusting units (3) are all slidably connected to one side of the adjustable bottom box (2), a plurality of return springs (4) are sleeved and connected to one side of the outside of the adjustable bottom box (2), the plurality of return springs (4) are all in contact with the other side of the inside of the baffle shell (1), and a folding door stop mechanism (5) is arranged on one side of the outside of the baffle shell (1); The baffle housing (1) comprises a door lock baffle (11), one side of the door lock baffle (11) being fixedly connected to one side of the adjustment housing (12); A plurality of lock tongue openings (111) are provided in the middle of the door lock baffle (11), a plurality of countersunk screw reserved holes (112) are respectively provided at both ends of the door lock baffle (11), and a curved edge (113) is provided on one side of the door lock baffle (11); The adjusting shell (12) is symmetrically provided with a plurality of adjusting limit holes (121) at both ends of one side connected to the door lock stopper (11); a plurality of spring placement grooves (122) are provided on one side of the adjusting shell (12); the plurality of spring placement grooves (122) are respectively provided with the return springs (4); and the adjusting shell (12) is provided with a folding door stop mechanism (5) on one side fixedly connected to a folding fixed hook (123); The adjusting bottom box (2) is provided with adjusting limit blocks (21) at both ends of one side close to the door lock blocking piece (11), and the plurality of adjusting limit blocks (21) are respectively slidably connected to the adjusting limit holes (121); the other side of the adjusting bottom box (2) is provided with an adjusting inclined surface (22), and the middle part of the adjusting inclined surface (22) is provided with a plurality of adjusting holes (23), and the plurality of adjusting holes (23) are respectively slidably connected to the middle part of the bottom box adjusting unit (3); the other side of the adjusting bottom box (2) is fixedly connected to one end of a plurality of adjusting guide rods (24), and the middle parts of the plurality of adjusting guide rods (24) are respectively sleeved and connected to the reset springs (4), and the one ends of the plurality of adjusting guide rods (24) are respectively slidably connected to the inside of the spring placement groove (122); The bottom box adjustment unit (3) comprises an adjustment screw rod (31), one end of the adjustment screw rod (31) is fixedly connected to one side of the inside of the adjustment housing (12), the middle part of the adjustment screw rod (31) is sleeved with an adjustment bevel block (32), and the other side of the adjustment bevel block (32) and the other end of the adjustment screw rod (31) are threadedly connected to an adjustment nut (33); The middle part of the adjusting screw rod (31) is slidably connected to the inside of the adjusting hole (23), and one side of the adjusting inclined block (32) abuts against the adjusting inclined surface (22); The folding door stop mechanism (5) comprises a door stop block (51), two ends of the door stop block (51) are respectively fixedly connected to a folding movable block (52), one end of a plurality of the folding movable blocks (52) is rotatably connected to one end of a plurality of first rocking arms (53), the other end of the plurality of the folding movable blocks (52) is rotatably connected to one end of a plurality of second rocking arms (54), the other end of the plurality of the first rocking arms (53) is rotatably connected to one end of a folding fixed block (55), the other end of the plurality of the second rocking arms (54) is rotatably connected to the other end of the folding fixed block (55), the plurality of the folding fixed blocks (55) are all fixedly connected to one side of the baffle shell (1), one side of the plurality of the folding movable blocks (52) is respectively fixedly connected to one end of a tension spring (56), the other end of the plurality of the tension springs (56) is respectively fixedly connected to one side of the baffle shell (1); The plurality of first rocking arms (53) and the plurality of second rocking arms (54) are arranged in parallel and staggered manner; A locking tongue groove (511) is provided on one side of the door stopper (51), a hand latch groove (512) is provided on the other side of the door stopper (51), a folding fixed card groove (513) is provided on one side of the hand latch groove (512) and on the other side of the door stopper (51), and the folding fixed card groove (513) is engaged with the folding fixed card hook (123).

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