A latch box structure for opening and closing door
By designing a latch box structure of the opening and closing door that uses the rotation of the lock core to drive the latch rod to lift and lower, the problem of complex and high cost of the existing opening and closing doors is solved, and simple and reliable switching operations and the effect of reducing installation costs is achieved.
Patent Information
- Application Number
- CN202420640978.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-03-30
AI Technical Summary
The switches of existing opening and closing doors rely on door locks, are complex and costly, especially when multiple opening and closing doors on the box-type housing are installed.
A latch box structure for opening and closing doors is designed, and the latch rod is lifted by the rotation of the lock core, and the switch between opening and closing doors is realized through a simple latch box body structure, reducing installation difficulty and cost.
It realizes simple and reliable switching operation of the opening and closing door, reduces installation cost and difficulty, and ensures the stability and efficiency of the structure.
Smart Images
Figure CN222716679U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of latch boxes, and in particular relates to an opening and closing door latch box structure. Background Art
[0002] The opening and closing of existing opening and closing doors are mainly achieved through door locks, and the installation of door locks is relatively cumbersome and costly. For example, a box-type housing is generally provided with many opening and closing doors. If a door lock is installed on each opening and closing door, and parts need to be installed on both the door panel and the door frame, the installation difficulty and installation process are increased, which will also cause an increase in cost. Summary of the invention
[0003] In order to solve the deficiencies in the prior art, the utility model provides a latch box structure for an opening and closing door.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A latch box structure for opening and closing doors, comprising a latch box body, wherein a lock core is arranged in the latch box body, a keyhole is arranged at the front end of the lock core, a rotating pin shaft is arranged at the rear end of the lock core, a connecting portion is arranged at the rear end of the rotating pin shaft, the connecting portion is square, a first connecting piece is arranged on the connecting portion, a connecting hole is arranged in the middle of the first connecting piece, the connecting hole is square, the connecting hole matches the connecting portion, the first connecting piece is elliptical, the long axis of the first connecting piece is vertically arranged, a first connecting column is arranged at the upper end of the first connecting piece, and a first latch rod is hingedly provided on the first connecting column.
[0006] Furthermore, a first limiting portion and a second limiting portion are provided at the upper end of the latch box body, the first limiting portion and the second limiting portion are symmetrically arranged, the first limiting portion, the second limiting portion and the latch box body form a convex groove, a first limiting plate is provided in the convex groove, the first limiting plate matches the convex groove, a first limiting hole is provided at the rear end of the first limiting plate, and the first limiting hole matches the first latch rod.
[0007] Further, a first protruding column is provided at the rear end of the first limiting portion, a first threaded hole is provided in the first protruding column, a first bolt is provided in the first threaded hole, a first clamping portion is provided at the left end of the first limiting plate, and the first bolt matches the first clamping portion, a second protruding column is provided at the rear end of the second limiting portion, a second threaded hole is provided in the second protruding column, a second bolt is provided in the second threaded hole, and a second clamping portion is provided at the right end of the first limiting plate, and the second bolt matches the second clamping portion.
[0008] Furthermore, a second connecting column is provided at the lower end of the first connecting piece, and a second latch rod is hingedly provided on the second connecting column.
[0009] Furthermore, the opening and closing door latch box structure includes a first limit frame and a second limit frame, the first limit frame and the second limit frame are both C-shaped, the first limit frame matches the first latch rod, the second limit frame matches the second latch rod, and both ends of the first latch rod and the second latch rod are provided with connecting holes.
[0010] The utility model discloses a latch box structure for an opening and closing door. Compared with the prior art, its beneficial effect lies in that its structure is simple and stable, and the rotation of the lock cylinder can be used to drive the first latch rod and the second latch rod to rise and fall, so as to open or close the opening and closing door. The operation is simple and reliable, stable and efficient, and the installation cost is reduced at the same time. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural schematic diagram of a preferred embodiment provided by the utility model.
[0012] Figure 2 It is a structural schematic diagram of a latch box body of a preferred embodiment provided by the utility model.
[0013] Figure 3 It is a structural schematic diagram of the first limiting plate of the preferred embodiment provided by the utility model.
[0014] Figure 4 It is a structural schematic diagram of the first limiting frame of the preferred embodiment provided by the utility model.
[0015] The reference numerals include: 100, latch box body; 110, lock core; 111, connecting part; 120, first connecting plate; 121, first connecting column; 122, second connecting column; 130, first limiting part; 131, first protruding column; 132, first threaded hole; 140, second limiting part; 141, second protruding column; 142, second threaded hole; 150, first limiting plate; 151, first clamping part; 152, second clamping part; 153, first limiting hole; 210, first latch rod; 211, first limiting frame; 212, connecting hole; 220, second limiting frame. DETAILED DESCRIPTION
[0016] The utility model discloses an opening and closing door latch box structure. The specific implementation manner of the utility model is further described below in conjunction with a preferred embodiment.
[0017] See attached figure Figure 1-4 , Figure 1 It is a structural schematic diagram of a preferred embodiment provided by the utility model. Figure 21 is a schematic structural diagram of a latch box body 100 according to a preferred embodiment of the present invention. Figure 3 1 is a schematic structural diagram of a first limiting plate 150 of a preferred embodiment provided by the utility model. Figure 4 It is a structural schematic diagram of the first limiting frame 211 of the preferred embodiment provided by the utility model.
[0018] Preferred embodiments.
[0019] The present embodiment provides an opening and closing door latch box structure, including a latch box body 100, wherein a lock core 110 is provided inside the latch box body 100, wherein a keyhole is provided at the front end of the lock core 110, a rotating pin shaft is provided at the rear end of the lock core 110, and a connecting portion 111 is provided at the rear end of the rotating pin shaft, wherein the connecting portion 111 is square in shape, a first connecting piece 120 is provided on the connecting portion 111, a connecting hole 212 is provided at the middle portion of the first connecting piece 120, the connecting hole 212 is square in shape, and the connecting hole 212 matches the connecting portion 111, the first connecting piece 120 is elliptical in shape, and the long axis of the first connecting piece 120 is vertically arranged, a first connecting column 121 is provided at the upper end of the first connecting piece 120, and a first latch rod 210 is hingedly provided on the first connecting column 121. By inserting a key through the keyhole, the lock core 110 can be rotated, thereby driving the connecting portion 111 to rotate, and the first connecting piece 120 can be driven to rotate. Then, the long axis of the first connecting piece 120 is flipped to a horizontal setting, which drives the first latch rod 210 to move downward, so that the door can be opened.
[0020] Further, the upper end of the latch box body 100 is provided with a first limiting portion 130 and a second limiting portion 140, the first limiting portion 130 and the second limiting portion 140 are symmetrically arranged, the first limiting portion 130, the second limiting portion 140 and the latch box body 100 form a convex groove, the convex groove is provided with a first limiting plate 150, the first limiting plate 150 matches the convex groove, the rear end of the first limiting plate 150 is provided with a first limiting hole 153, the first limiting hole 153 matches the first latch rod 210. The first latch rod 210 passes through the first limiting hole 153 and is hinged to the first connecting column 121, the first limiting hole 153 can constrain the first latch rod 210 to a certain extent, and can ensure that the first latch rod 210 is more stable. The first limiting plate 150 can also be moved forward and backward to adjust the position of the first limiting hole 153.
[0021] Further, the first position-limiting portion 130 is provided with a first protruding column 131 at the rear end, a first threaded hole 132 is provided in the first protruding column 131, a first bolt is provided in the first threaded hole 132, a first pressing portion 151 is provided at the left end of the first position-limiting plate 150, and the first bolt matches the first pressing portion 151, a second protruding column 141 is provided at the rear end of the second position-limiting portion 140, a second threaded hole 142 is provided in the second protruding column 141, a second bolt is provided in the second threaded hole 142, and a second pressing portion 152 is provided at the right end of the first position-limiting plate 150, and the second bolt matches the second pressing portion 152. After moving the first position-limiting plate 150 and adjusting the position of the first position-limiting hole 153, the first pressing portion 151 is pressed by the cooperation of the first bolt and the first threaded hole 132, and the second pressing portion 152 is pressed by the cooperation of the second bolt and the second threaded hole 142, so that the first position-limiting plate 150 can be stabilized.
[0022] Furthermore, a second connecting column 122 is provided at the lower end of the first connecting piece 120, and a second latch rod is hingedly provided on the second connecting column 122. When the lock cylinder 110 is rotated, the upper end of the second latch rod also moves accordingly, so that the lifting and lowering adjustment of the second latch rod can be controlled, and the control of opening and closing the door can be increased to ensure that the door is locked more stably.
[0023] Further, the opening and closing door latch box structure includes a first limit frame 211 and a second limit frame 220, the first limit frame 211 and the second limit frame 220 are both C-shaped, the first limit frame 211 matches the first latch rod 210, the second limit frame 220 matches the second latch rod, and both ends of the first latch rod 210 and the second latch rod are provided with connecting holes 212. The first limit frame 211 is sleeved on the upper end of the first latch rod 210, and the second limit frame 220 is sleeved on the lower end of the second latch rod. The first limit frame 211 and the second limit frame 220 are installed on the opening and closing door through the connecting holes 212, and are used to limit the first latch rod 210 and the second latch rod, so as to ensure that the lock core 110 controls the first latch rod 210 and the second latch rod.
[0024] It is worth mentioning that the technical features such as the lock core 110 involved in the utility model patent application should be regarded as the prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field, and should not be regarded as the utility model point of the utility model patent. The utility model patent will not be further elaborated.
[0025] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A latch box structure for an opening and closing door, characterized in that: The invention comprises a latch box body (100), wherein a lock core (110) is arranged inside the latch box body (100), a key hole is arranged at the front end of the lock core (110), a rotating pin shaft is arranged at the rear end of the lock core (110), a connecting portion (111) is arranged at the rear end of the rotating pin shaft, the connecting portion (111) is square, a first connecting piece (120) is arranged on the connecting portion (111), a connecting hole (212) is arranged in the middle of the first connecting piece (120), the connecting hole (212) is square, the connecting hole (212) matches the connecting portion (111), the first connecting piece (120) is elliptical, the long axis of the first connecting piece (120) is arranged vertically, a first connecting column (121) is arranged at the upper end of the first connecting piece (120), and a first latch rod (210) is hingedly arranged on the first connecting column (121).
2. The door latch box structure according to claim 1, characterized in that: A first limiting portion (130) and a second limiting portion (140) are provided at the upper end of the latch box body (100), the first limiting portion (130) and the second limiting portion (140) are symmetrically arranged, the first limiting portion (130), the second limiting portion (140) and the latch box body (100) form a convex groove, a first limiting plate (150) is provided in the convex groove, the first limiting plate (150) matches the convex groove, a first limiting hole (153) is provided at the rear end of the first limiting plate (150), and the first limiting hole (153) matches the first latch rod (210).
3. The door latch box structure according to claim 2, characterized in that: A first protruding column (131) is provided at the rear end of the first limiting portion (130), a first threaded hole (132) is provided in the first protruding column (131), a first bolt is provided in the first threaded hole (132), a first clamping portion (151) is provided at the left end of the first limiting plate (150), the first bolt matches the first clamping portion (151), a second protruding column (141) is provided at the rear end of the second limiting portion (140), a second threaded hole (142) is provided in the second protruding column (141), a second bolt is provided in the second threaded hole (142), a second clamping portion (152) is provided at the right end of the first limiting plate (150), the second bolt matches the second clamping portion (152).
4. The door latch box structure according to claim 1, characterized in that: A second connecting column (122) is provided at the lower end of the first connecting piece (120), and a second latch rod is hingedly provided on the second connecting column (122).
5. The door latch box structure according to claim 4, characterized in that: The door latch box structure comprises a first limit frame (211) and a second limit frame (220); the first limit frame (211) and the second limit frame (220) are both C-shaped; the first limit frame (211) matches the first latch rod (210); the second limit frame (220) matches the second latch rod; both ends of the first latch rod (210) and the second latch rod are provided with connection holes (212).