One-way lock box

Abstract

The utility model provides a one-way lock box which comprises a U-shaped face plate, a bottom plate, a pull rod, a box body and a transmission assembly, an installation cavity is defined by the inner side face of the U-shaped face plate and the front face of the bottom plate, the pull rod is arranged in the installation cavity and can move in the length direction of the U-shaped face plate, the box body is fixed to the back face of the bottom plate, and the transmission assembly is arranged in the installation cavity. A moving groove is formed in the face, making contact with the back face of the bottom plate, of the box body in an inwards-concave mode, a gear cavity communicated with the moving groove is formed in the box body, and a driving groove is formed in the position, facing the moving groove, of the pull rod. The transmission assembly comprises a rack extending into the driving groove and a sector gear arranged in the gear cavity and engaged with the rack. The utility model solves the problems of easy abrasion and large deformation caused by the matching of the lock column and the notch of the lock plate in the prior art, ensures the coincidence of the U-shaped panel and the end face of the window frame of the door and the window, and ensures the flatness of the door and the window after the door and the window are mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy door and window production, and more specifically to a one-way lock box. Background Art

[0002] A Chinese patent discloses a stainless steel one-way transmission box (patent number: 202021630341.4), which discloses that the top cover, outer shell, lock bar, and base are stacked and installed in sequence from top to bottom, and the lock core is installed on the mounting hole located in the middle of the top of the outer shell. The lock core is in a cylinder with a square hole in the middle of the lock core. A fan-shaped boss protrudes downward in the middle of the cylindrical surface of the lock core, and a lock column protrudes forward in the middle of the front of the boss; a lock plate protrudes upward in the middle of the lock bar in the outer shell, and the position of the lock plate is opposite to the position of the lock column of the lock core. A U-shaped notch is provided in the middle of the top of the lock plate, and the lock column of the lock core is inserted into the notch of the lock plate, and the lock core can force the lock plate to move left and right when rotating forward and reverse. The technical solution recorded in this Chinese patent has the following disadvantages: the lock column and the lock plate recess are not easy to limit, which affects the convenience of using the one-way box. At the same time, since the recess of the lock plate is prone to wear and deformation after a certain period of use, the transmission accuracy needs to be improved. Moreover, after the technical solution recorded in the Chinese patent is installed in the corresponding position, it is difficult to ensure the flatness of its outer end surface and the window frame. Utility Model Content

[0003] The main purpose of the utility model is to solve the above-mentioned problems and provide a one-way lock box.

[0004] A one-way lock box includes a C-shaped panel, a base plate, a pull rod, a box body and a transmission assembly. The base plate is installed on the opening surface of the C-shaped panel, and an installation cavity is defined by the inner side surface of the C-shaped panel and the front surface of the base plate. The pull rod is placed in the installation cavity and can move along the length direction of the C-shaped panel. The box body is fixed on the back side of the base plate, and a moving groove is provided inwardly on the side of the box body that contacts the back side of the base plate. A gear cavity that passes through the moving groove is provided inside the box body, and a drive groove is provided on the pull rod facing the moving groove. The transmission assembly includes a rack extending into the drive groove and a fan gear provided in the gear cavity and meshing with the rack.

[0005] Two ends of the rack are in contact with two ends of the driving slot respectively.

[0006] The back side of the bottom plate is provided with a plurality of clamping holes, and the box body is provided with a clamping plate extending into the plurality of clamping holes.

[0007] The U-shaped panel and the bottom plate are fixed together by bolts, and a limiting cylinder is sleeved on the bolts.

[0008] The unidirectional lock box further comprises a limiting base plate on the back side of the bottom plate, the limiting base plate is provided with a box body passing opening, and the limiting base plate is fixed with the U-shaped panel through connecting bolts passing through the bottom plate.

[0009] The utility model discloses beneficial effect is: the utility model discloses through sector gear rotation drive and the rack fixed with pull rod remove, realize pull rod and the lock piece cooperation of window, realize the effect of opening and closing window, solved the problem of the present technology existence's lock post and lock piece recess cooperation easy to produce abrasion, the problem of large deformation, the utility model discloses simple and convenient installation and the manufacturing difficulty is low, make product structure simple, practical, transmission flexible, smooth, improve production and installation efficiency simultaneously. Moreover, the utility model discloses through the limiting base plate, guarantees that the end surface of the U-shaped panel and the door and window frame coincide, guarantees that the utility model discloses the flatness after installing the door and window. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the exploded schematic view of the utility model.

[0011] Fig. 2 It is the sectional structure schematic view of the utility model. DETAILED DESCRIPTION

[0012] In order to make the technical problem, technical scheme and beneficial effect to be solved by the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0013] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0014] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0015] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and should not be construed as implying or suggesting relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0016] Please refer to Figs. 1-2 The utility model provides a one-way lock box, including the U-shaped panel 10, bottom plate 20, pull rod 30, box body 40 and transmission assembly 50, bottom plate 20 installs the opening surface of U-shaped panel 10, and the inside surface of U-shaped panel 10 with the front surface of bottom plate 20 determines an installation cavity 11, pull rod 30 is placed in installation cavity 11 and can move along the length direction of U-shaped panel 10, box body 40 is fixed at the back of bottom plate 20, the one side of box body 40 and the back surface of bottom plate 20 contact is recessed to the inside and is provided with moving groove 41, the inside of box body 40 is provided with the gear chamber 42 with the through of moving groove 41, pull rod 30 is provided with drive groove 31 to moving groove 41, transmission assembly 50 includes the rack 51 of the drive groove 31 in the extension and the sector gear 52 of being set in gear chamber 42 and being engaged with rack 51, through sector gear 52 rotation drives rack 51 moves in moving groove 41, and the both ends of moving groove 41 are the limit position of rack 51 movement, and actually the both ends of rack 51 are respectively with the both ends of drive groove 31 contact, drive rack 51 back and forth movement through, in specific use, pull rod 30 is connected with the lock column 301 of the extension bottom plate 20 outside, and the lock piece of window is matched through lock column 301, realizes the effect of opening and closing window.

[0017] In the embodiment, the back of the bottom plate 20 is provided with a plurality of clamping holes 21, and the box body 40 is provided with a clamping plate 401 extending into the inside of the clamping holes 21, so as to facilitate the combination of the box body 40 and the bottom plate 20.

[0018] In the embodiment, the U-shaped panel 10 and the bottom plate 20 are fixed together through the bolts 61, and the bolts 61 are sleeved with the limiting barrels 62, so that the user can quickly combine the U-shaped panel 10 and the bottom plate 20 together, and the distance between the U-shaped panel 10 and the bottom plate 20 can be ensured within the design range. The utility model drives the pull rod 30 to move back and forth through the cooperation of the sector gear and the rack, and through the external handle, the handle is not shown in the drawing, and the handle is located outside the box body and is fixed with the sector gear. By operating the driving square steel, one-way movement of the railing is realized in the movement, so that the system door and window opening and closing function is realized. The utility model is simple and convenient to install, and the manufacturing difficulty is low, so that the product structure is simple, practical, flexible and smooth transmission, and the production and installation efficiency is improved.

[0019] It is worth mentioning that the one-way lock box further comprises a limiting base plate 70 located on the back side of the bottom plate 20, the limiting base plate 70 is provided with an opening 71 for the box body 40 to pass through, and the limiting base plate 70 is fixed with the U-shaped panel 10 through the connecting bolts 72 passing through the bottom plate 20. The pull rod 30 is provided with a perforation 32 corresponding to the connecting bolt 72, so that the pull rod 30 is not blocked by the connecting bolt 72 when moving, and the fixing of the limiting base plate 70 and the U-shaped panel 10 is also ensured. The limiting base plate 70 is installed on the door and window, and the depth of the utility model is adjusted through the limiting base plate 70, so that the end surface of the U-shaped panel 10 coincides with the door and window frame, and the flatness of the utility model installed on the door and window is ensured.

[0020] The embodiment and the drawings of the utility model are only used to show the design concept of the utility model, and the protection scope of the utility model should not be limited to the embodiment.

[0021] From the above description, it can be seen that the design purpose of the utility model can be effectively implemented. The embodiment shows the purpose, implementation function and structure subject of the utility model, and includes other equivalent replacements.

[0022] Therefore, the right structure of the utility model includes other equivalent implementations, and the specific right range is referred to the right claim.

Claims

1. A one-way lockbox, characterized by: The one-way lock box comprises a U-shaped panel, a bottom plate, a pull rod, a box body and a transmission assembly, the bottom plate is installed on the opening surface of the U-shaped panel, an installation cavity is defined by the inner side surface of the U-shaped panel and the front surface of the bottom plate, the pull rod is arranged in the installation cavity and is movable along the length direction of the U-shaped panel, the box body is fixed on the back surface of the bottom plate, the surface of the box body in contact with the back surface of the bottom plate is concave inwardly and is provided with a moving groove, the inside of the box body is provided with a gear cavity which is in communication with the moving groove, the pull rod is provided with a driving groove which faces the moving groove, and the transmission assembly comprises a rack which extends into the driving groove and a sector gear which is arranged in the gear cavity and is in engagement with the rack.

2. A one-way lock box as defined in claim 1, wherein, The two ends of the rack are in contact with the two ends of the driving groove respectively.

3. A one-way lock box as defined in claim 2, wherein, The back surface of the bottom plate is provided with a plurality of clamping holes, and the box body is provided with clamping plates which extend into the inside of the clamping holes.

4. A one-way lock box as defined in claim 3, wherein, The U-shaped panel and the bottom plate are fixed together by bolts, and the bolts are sleeved with limit cylinders.

5. A one-way lock box as defined in claim 4, wherein, The one-way lock box further comprises a limit base plate which is located on the back surface side of the bottom plate, the limit base plate is provided with an opening through which the box body passes, and the limit base plate is fixed with the U-shaped panel and the bottom plate by connecting bolts.

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