Bidirectional transmission box for drifting inward tilt-turn window
By using a bidirectional transmission box structure, and employing a bidirectional meshing connection and limit design of gears and racks, the problems of unstable transmission and single opening method are solved, achieving stable transmission and inward opening.
Patent Information
- Application Number
- CN202422854716.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-11-22
AI Technical Summary
The existing transmission box structure uses a single gear and rack meshing for transmission, which is not stable enough for long-term use and cannot achieve the inward opening and closing effect.
It adopts a bidirectional transmission box structure, including an outer shell, a bottom cover, a square inner hole half gear, a first rack, a second rack, and a gear. Through the bidirectional meshing connection between the gear and the rack, combined with the design of the limit strip, it achieves stable transmission and supports inward opening.
It achieves stable transmission and multiple opening methods, including tilt-and-turn opening, enhancing the reliability and stability of window operation.
Smart Images

Figure CN223952499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lock box technical field, concretely is a bidirectional transmission box for drift inward tilt and turn window. BACKGROUND
[0002] The window transmission box is a component in the door and window lock system that controls the opening and closing of the window. It is usually installed on the window frame and works in conjunction with the handle or transmission device to open and close the window. The transmission box usually contains gear and rack mechanical transmission components inside, which convert rotary motion into linear motion to drive the movement of the window.
[0003] However, the current transmission box structure is driven by a single gear and rack meshing, which can achieve the effect of transmission, but is not stable enough during long-term use. In addition, the traditional transmission box structure can only achieve the effect of opening and closing, and cannot simultaneously achieve the inward tilt and turn opening and closing mode. UTILITY MODEL CONTENT
[0004] To overcome the shortcomings of the prior art, the utility model provides a bidirectional transmission box for drift inward tilt and turn window, which solves the problem that the transmission box structure is driven by a single gear and rack meshing, which can achieve the effect of transmission, but is not stable enough during long-term use. In addition, the traditional transmission box structure can only achieve the effect of opening and closing, and cannot simultaneously achieve the inward tilt and turn opening and closing mode.
[0005] To achieve the above purpose, the utility model is implemented by the following technical scheme: a bidirectional transmission box for drift inward tilt and turn window, comprising a shell and a bottom cover, a square hole half gear is rotatably installed in the middle of the shell, and a first rack and a second rack are symmetrically and slidably installed in the inner cavity of the bottom cover, a latch is fixedly sleeved on the inner cavity of the bottom cover, and a gear is rotatably sleeved on the surface of the latch, the gear is connected with the first rack and the second rack, a connecting end is integrally extended on the surface of the first rack, mounting plates are fixedly installed on both ends of the bottom cover through mounting blocks, toothed hole plates are arranged on the surface of the mounting plates, the connecting end passes through the surface of the mounting plate and is fixedly connected with the bottom of the toothed hole plate, a resisting block is integrally extended on the surface of the square hole half gear, and the square hole half gear is connected with the toothed hole plate.
[0006] Preferably, mounting blocks are clamped on both ends of the mounting plate, the mounting blocks abut against both ends of the bottom cover, and the inner cavity of the bottom cover is in close contact with the mounting blocks.
[0007] Preferably, the surface of the shell is fixedly connected with a patch through a connecting piece, and the top of the latch penetrates through the surface of the mounting plate and is fixedly connected with both ends of the patch.
[0008] Preferably, the shell is attached to the surface of the mounting plate.
[0009] Preferably, the surface in the middle of the mounting plate is integrally extended with a limiting strip, and the limiting strip abuts against the bottom of the tooth hole plate.
[0010] Preferably, the surface of the two ends of the first and second racks is fixedly connected with a connecting column, the connecting column is slidingly sleeved in the inner cavity of the sliding groove, and the connecting column extends out of the surface of the mounting plate.
[0011] The utility model provides a kind of two-way transmission box for floating inwardly opening window.Compared with prior art, it has the following beneficial effects:
[0012] The window two-way transmission box structure, by the rotation effect of the first rack, the second rack and the gear in two directions, can make transmission more stable, in addition, the three opening modes of square inner hole half gear and tooth hole plate realize the direction of inwardly opening, and then the limiting strip abuts against the bottom of the tooth hole plate, and the tooth hole plate is limited by the limiting strip, to ensure the stability of the sliding of the tooth hole plate. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is partial split schematic view of the utility model structure;
[0014] Figure 2 It is schematic view of the utility model structure;
[0015] Figure 3 It is split schematic view of the utility model structure;
[0016] Figure 4 It is partial schematic view of the utility model structure;
[0017] Figure 5 It is schematic view of the utility model transmission box structure installation.
[0018] In the drawing: 1, bottom cover;2, mounting block;3, patch;4, shell;5, square inner hole half gear;51, stop block;6, connecting piece;7, mounting plate;71, sliding groove;72, limiting strip;8, tooth hole plate;9, first rack;91, connecting end;92, connecting column;10, second rack;11, gear;12, bolt;13, handle;14, window frame;15, lock seat. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.
[0020] Please refer to Figures 1-5 The utility model provides a technical scheme: a two-way transmission box for a drift inward tilting window, including shell 4 and bottom cover 1, the middle rotation of shell 4 is equipped with square hole half gear 5, and the inner chamber of bottom cover 1 is symmetrically equipped with first rack 9 and second rack 10, the inner chamber of bottom cover 1 is fixedly sleeved with bolt 12, and the surface of bolt 12 is rotatably sleeved with gear 11, gear 11 is connected with first rack 9 and second rack 10, the surface of first rack 9 integrally extends connection end 91, the both ends of bottom cover 1 are fixedly installed with mounting plate 7 through mounting block 2, and the surface of mounting plate 7 is provided with gear hole plate 8, connection end 91 passes through the surface of mounting plate 7 and is fixedly connected with the bottom of gear hole plate 8, the surface of square hole half gear 5 integrally extends resistance block 51, and square hole half gear 5 is connected with gear hole plate 8, by inserting handle 13 into the inner chamber of square hole half gear 5, and driving square hole half gear 5 to rotate clockwise by ninety degrees, make square hole half gear 5 drive gear hole plate 8 to move on one side, then drive first rack 9 to move simultaneously, make first rack 9 and gear 11 engage, and second rack 10 and gear 11 engage, so first rack 9 and second rack 10 will move oppositely, and resistance block 51 will be locked on the surface of gear hole plate 8, then rotate by ninety degrees in the opposite direction to open, and then rotate to open inwardly.
[0021] Further, the both ends of mounting plate 7 are clamped with mounting block 2, the mounting block 2 is abutted on the both ends of bottom cover 1, and is mutually attached with the inner chamber of bottom cover 1, wherein the mounting block 2 is inserted into the both ends of bottom cover 1, and the mounting plate 7 is clamped on the surface of mounting block 2 and located in the inner chamber of bottom cover 1, and is mutually flush with the port of bottom cover 1.
[0022] Further, the surface of shell 4 is fixedly connected with patch 3 through connecting piece 6, and the top of bolt 12 penetrates the surface of mounting plate 7 and is fixedly connected with the both ends of patch 3, the shell 4 is attached on the surface of mounting plate 7, the both ends of shell 4 are connected with the surface of mounting plate 7 through bolt 12, and the front of shell 4 is attached on the surface of shell 4, which can fix and limit the shell 4, and the connected patch 3 can wrap gear hole plate 8 in the inner chamber and attach gear hole plate 8, so that gear hole plate 8 is abutted with the surface of mounting plate 7 and can slide on the surface of mounting plate 7.
[0023] Further, the surface of mounting plate 7 is integrally extended with limiting strip 72 in the middle, and the limiting strip 72 is abutted on the bottom of gear hole plate 8, which limits gear hole plate 8 and ensures the stability of sliding.
[0024] The surface of the mounting plate 7 is provided with a sliding groove 71, and the two ends of the first rack 9 and the second rack 10 are fixedly connected with a connecting column 92 which is slidingly sleeved in the inner cavity of the sliding groove 71 and extends out of the surface of the mounting plate 7, wherein the sliding of the connecting column 92 in the inner cavity of the sliding groove 71 can be limited, and the connecting column 92 is used for connecting the transmission rod.
[0025] During work or use, first, the transmission rod is connected to the surface of the connecting column 92, and the transmission rod is connected with the locking point arranged on the window, then the handle 13 is inserted into the square hole half gear 5 arranged in the inner cavity of the shell 4;
[0026] When locking, taking the handle 13 as an example, the handle 13 is rotated clockwise by 90 degrees, which drives the square hole half gear 5 to rotate and engage with the toothed hole plate 8, drives the toothed hole plate 8 to move on one side, and at the same time, since the bottom of the toothed hole plate 8 is connected with the connecting column 92, the first rack 9 in the inner cavity of the bottom cover 1 is also moved, and then the first rack 9 and the second rack 10 are moved in opposite directions through the engagement of the first rack 9, the second rack 10 and the gear 11, so that the transmission rod is driven to move through the connecting column 92, the locking point is inserted into the lock seat 15, and at the same time, the resisting block 51 is resisted on the surface of the toothed hole plate 8, so that the square hole half gear 5 cannot be rotated again, and the locking state is realized;
[0027] When opening, the handle 13 is rotated counterclockwise by 90 degrees, which drives the square hole half gear 5 to reset the first rack 9 and the second rack 10 according to the above steps, so that the transmission rod drives the locking point to move away from the lock seat 15, and the door and window are opened;
[0028] When opening from the inside, then the handle 13 is rotated counterclockwise by 90 degrees, which is 180 degrees from the locking state, and the first rack 9 and the second rack 10 are driven to continue moving according to the same steps, so that the locking point is closed in the lock seat 15, thereby realizing the opening from the inside.
[0029] In addition, the bidirectional rotation effect of the first rack 9, the second rack 10 and the gear 11 can make the transmission more stable. In addition, the square hole half gear 5 and the toothed hole plate 8 have three opening modes, which realize the opening direction from the inside.
[0030] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.
Claims
1. A bidirectional transmission box for a drifting inward tilting window, comprising a shell (4) and a bottom cover (1), characterized in that: A square-hole half gear (5) is rotatably mounted in the middle of the outer shell (4), and a first rack (9) and a second rack (10) are symmetrically slidably mounted in the inner cavity of the bottom cover (1). A pin (12) is symmetrically fixedly sleeved in the inner cavity of the bottom cover (1), and a gear (11) is rotatably sleeved on the surface of the pin (12). The gear (11) meshes with the first rack (9) and the second rack (10). A connecting end (91) extends integrally from the surface of the first rack (9). Mounting plates (7) are fixedly mounted on both ends of the bottom cover (1) through mounting blocks (2), and a toothed plate (8) is provided on the surface of the mounting plate (7). The connecting end (91) passes through the surface of the mounting plate (7) and is fixedly connected to the bottom of the toothed plate (8). A stop block (51) extends integrally from the surface of the square-hole half gear (5), and the square-hole half gear (5) meshes with the toothed plate (8).
2. The bidirectional transmission box for a drifting inward tilting window according to claim 1, characterized in that: The mounting plate (7) has mounting blocks (2) snapped into both ends. The mounting blocks (2) abut against both ends of the bottom cover (1) and fit into the inner cavity of the bottom cover (1).
3. The bidirectional transmission box for a drifting inward tilting window according to claim 1, characterized in that: The surface of the outer shell (4) is fixedly connected to the patch (3) by the connector (6), and the top of the pin (12) penetrates the surface of the mounting plate (7) and is fixedly connected to both ends of the patch (3).
4. The bidirectional transmission box for a drifting inward tilting window according to claim 3, characterized in that: The outer shell (4) is attached to the surface of the mounting plate (7).
5. A bidirectional transmission box for a drifting inward tilting window according to claim 2, characterized in that: The mounting plate (7) has a symmetrically integrated limit strip (72) extending from the middle surface, and the limit strip (72) abuts against the bottom of the toothed plate (8). The mounting plate (7) has a sliding groove (71) on its left and right surfaces.
6. A bidirectional transmission box for a drifting inward tilting window according to claim 5, characterized in that: Connecting posts (92) are fixedly connected to the two ends of the first rack (9) and the second rack (10). The connecting posts (92) are slidably sleeved in the inner cavity of the slide groove (71) and extend out of the surface of the mounting plate (7).